diff --git a/aclocal.m4 b/aclocal.m4
index b7382fe6a..15fc33a46 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -14,8 +14,8 @@
 m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
 m4_ifndef([AC_AUTOCONF_VERSION],
   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
-m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.71],,
-[m4_warning([this file was generated for autoconf 2.71.
+m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.72c],,
+[m4_warning([this file was generated for autoconf 2.72c.
 You have another version of autoconf.  It may work, but is not guaranteed to.
 If you have problems, you may need to regenerate the build system entirely.
 To do so, use the procedure documented by the package, typically 'autoreconf'.])])
diff --git a/configure b/configure
index f6f78e9a0..eee324f85 100755
--- a/configure
+++ b/configure
@@ -1,9 +1,9 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.71 for log4cplus 2.1.0.
+# Generated by GNU Autoconf 2.72c for log4cplus 2.1.1.
 #
 #
-# Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
+# Copyright (C) 1992-1996, 1998-2017, 2020-2023 Free Software Foundation,
 # Inc.
 #
 #
@@ -15,7 +15,6 @@
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-as_nop=:
 if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
@@ -24,12 +23,13 @@ then :
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else $as_nop
-  case `(set -o) 2>/dev/null` in #(
+else case e in #(
+  e) case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
   *) :
      ;;
+esac ;;
 esac
 fi
 
@@ -101,7 +101,7 @@ IFS=$as_save_IFS
 
      ;;
 esac
-# We did not find ourselves, most probably we were run as `sh COMMAND'
+# We did not find ourselves, most probably we were run as 'sh COMMAND'
 # in which case we are not to be found in the path.
 if test "x$as_myself" = x; then
   as_myself=$0
@@ -131,15 +131,14 @@ case $- in # ((((
 esac
 exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
 # Admittedly, this is quite paranoid, since all the known shells bail
-# out after a failed `exec'.
+# out after a failed 'exec'.
 printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
 exit 255
   fi
   # We don't want this to propagate to other subprocesses.
           { _as_can_reexec=; unset _as_can_reexec;}
 if test "x$CONFIG_SHELL" = x; then
-  as_bourne_compatible="as_nop=:
-if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+  as_bourne_compatible="if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
   NULLCMD=:
@@ -147,12 +146,13 @@ then :
   # is contrary to our usage.  Disable this feature.
   alias -g '\${1+\"\$@\"}'='\"\$@\"'
   setopt NO_GLOB_SUBST
-else \$as_nop
-  case \`(set -o) 2>/dev/null\` in #(
+else case e in #(
+  e) case \`(set -o) 2>/dev/null\` in #(
   *posix*) :
     set -o posix ;; #(
   *) :
      ;;
+esac ;;
 esac
 fi
 "
@@ -170,8 +170,9 @@ as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
 if ( set x; as_fn_ret_success y && test x = \"\$1\" )
 then :
 
-else \$as_nop
-  exitcode=1; echo positional parameters were not saved.
+else case e in #(
+  e) exitcode=1; echo positional parameters were not saved. ;;
+esac
 fi
 test x\$exitcode = x0 || exit 1
 blah=\$(echo \$(echo blah))
@@ -193,14 +194,15 @@ test \$(( 1 + 1 )) = 2 || exit 1
   if (eval "$as_required") 2>/dev/null
 then :
   as_have_required=yes
-else $as_nop
-  as_have_required=no
+else case e in #(
+  e) as_have_required=no ;;
+esac
 fi
   if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null
 then :
 
-else $as_nop
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+else case e in #(
+  e) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 as_found=false
 for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
 do
@@ -233,12 +235,13 @@ IFS=$as_save_IFS
 if $as_found
 then :
 
-else $as_nop
-  if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+else case e in #(
+  e) if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
 	      as_run=a "$SHELL" -c "$as_bourne_compatible""$as_required" 2>/dev/null
 then :
   CONFIG_SHELL=$SHELL as_have_required=yes
-fi
+fi ;;
+esac
 fi
 
 
@@ -260,7 +263,7 @@ case $- in # ((((
 esac
 exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
 # Admittedly, this is quite paranoid, since all the known shells bail
-# out after a failed `exec'.
+# out after a failed 'exec'.
 printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
 exit 255
 fi
@@ -279,7 +282,8 @@ $0: message. Then install a modern shell, or manually run
 $0: the script under such a shell if you do have one."
   fi
   exit 1
-fi
+fi ;;
+esac
 fi
 fi
 SHELL=${CONFIG_SHELL-/bin/sh}
@@ -318,14 +322,6 @@ as_fn_exit ()
   as_fn_set_status $1
   exit $1
 } # as_fn_exit
-# as_fn_nop
-# ---------
-# Do nothing but, unlike ":", preserve the value of $?.
-as_fn_nop ()
-{
-  return $?
-}
-as_nop=as_fn_nop
 
 # as_fn_mkdir_p
 # -------------
@@ -394,11 +390,12 @@ then :
   {
     eval $1+=\$2
   }'
-else $as_nop
-  as_fn_append ()
+else case e in #(
+  e) as_fn_append ()
   {
     eval $1=\$$1\$2
-  }
+  } ;;
+esac
 fi # as_fn_append
 
 # as_fn_arith ARG...
@@ -412,21 +409,14 @@ then :
   {
     as_val=$(( $* ))
   }'
-else $as_nop
-  as_fn_arith ()
+else case e in #(
+  e) as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
-  }
+  } ;;
+esac
 fi # as_fn_arith
 
-# as_fn_nop
-# ---------
-# Do nothing but, unlike ":", preserve the value of $?.
-as_fn_nop ()
-{
-  return $?
-}
-as_nop=as_fn_nop
 
 # as_fn_error STATUS ERROR [LINENO LOG_FD]
 # ----------------------------------------
@@ -500,6 +490,8 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
     /[$]LINENO/=
   ' <$as_myself |
     sed '
+      t clear
+      :clear
       s/[$]LINENO.*/&-/
       t lineno
       b
@@ -548,7 +540,6 @@ esac
 as_echo='printf %s\n'
 as_echo_n='printf %s'
 
-
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
   rm -f conf$$.dir/conf$$.file
@@ -560,9 +551,9 @@ if (echo >conf$$.file) 2>/dev/null; then
   if ln -s conf$$.file conf$$ 2>/dev/null; then
     as_ln_s='ln -s'
     # ... but there are two gotchas:
-    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -pR'.
+    # 1) On MSYS, both 'ln -s file dir' and 'ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; 'ln -s' creates a wrapper executable.
+    # In both cases, we have to default to 'cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
       as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
@@ -587,10 +578,12 @@ as_test_x='test -x'
 as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
-as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+as_sed_cpp="y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
+as_tr_cpp="eval sed '$as_sed_cpp'" # deprecated
 
 # Sed expression to map a string onto a valid variable name.
-as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+as_sed_sh="y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
+as_tr_sh="eval sed '$as_sed_sh'" # deprecated
 
 SHELL=${CONFIG_SHELL-/bin/sh}
 
@@ -618,8 +611,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='log4cplus'
 PACKAGE_TARNAME='log4cplus'
-PACKAGE_VERSION='2.1.0'
-PACKAGE_STRING='log4cplus 2.1.0'
+PACKAGE_VERSION='2.1.1'
+PACKAGE_STRING='log4cplus 2.1.1'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1021,7 +1014,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: \`$ac_useropt'"
+      as_fn_error $? "invalid feature name: '$ac_useropt'"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1047,7 +1040,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: \`$ac_useropt'"
+      as_fn_error $? "invalid feature name: '$ac_useropt'"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1260,7 +1253,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: \`$ac_useropt'"
+      as_fn_error $? "invalid package name: '$ac_useropt'"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1276,7 +1269,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: \`$ac_useropt'"
+      as_fn_error $? "invalid package name: '$ac_useropt'"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1306,8 +1299,8 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
-  -*) as_fn_error $? "unrecognized option: \`$ac_option'
-Try \`$0 --help' for more information"
+  -*) as_fn_error $? "unrecognized option: '$ac_option'
+Try '$0 --help' for more information"
     ;;
 
   *=*)
@@ -1315,7 +1308,7 @@ Try \`$0 --help' for more information"
     # Reject names that are not valid shell variable names.
     case $ac_envvar in #(
       '' | [0-9]* | *[!_$as_cr_alnum]* )
-      as_fn_error $? "invalid variable name: \`$ac_envvar'" ;;
+      as_fn_error $? "invalid variable name: '$ac_envvar'" ;;
     esac
     eval $ac_envvar=\$ac_optarg
     export $ac_envvar ;;
@@ -1365,7 +1358,7 @@ do
   as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
 done
 
-# There might be people who depend on the old broken behavior: `$host'
+# There might be people who depend on the old broken behavior: '$host'
 # used to hold the argument of --host etc.
 # FIXME: To remove some day.
 build=$build_alias
@@ -1433,7 +1426,7 @@ if test ! -r "$srcdir/$ac_unique_file"; then
   test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
   as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
 fi
-ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
+ac_msg="sources are in $srcdir, but 'cd $srcdir' does not work"
 ac_abs_confdir=`(
 	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg"
 	pwd)`
@@ -1461,7 +1454,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures log4cplus 2.1.0 to adapt to many kinds of systems.
+'configure' configures log4cplus 2.1.1 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1475,11 +1468,11 @@ Configuration:
       --help=short        display options specific to this package
       --help=recursive    display the short help of all the included packages
   -V, --version           display version information and exit
-  -q, --quiet, --silent   do not print \`checking ...' messages
+  -q, --quiet, --silent   do not print 'checking ...' messages
       --cache-file=FILE   cache test results in FILE [disabled]
-  -C, --config-cache      alias for \`--cache-file=config.cache'
+  -C, --config-cache      alias for '--cache-file=config.cache'
   -n, --no-create         do not create output files
-      --srcdir=DIR        find the sources in DIR [configure dir or \`..']
+      --srcdir=DIR        find the sources in DIR [configure dir or '..']
 
 Installation directories:
   --prefix=PREFIX         install architecture-independent files in PREFIX
@@ -1487,10 +1480,10 @@ Installation directories:
   --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
                           [PREFIX]
 
-By default, \`make install' will install all the files in
-\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc.  You can specify
-an installation prefix other than \`$ac_default_prefix' using \`--prefix',
-for instance \`--prefix=\$HOME'.
+By default, 'make install' will install all the files in
+'$ac_default_prefix/bin', '$ac_default_prefix/lib' etc.  You can specify
+an installation prefix other than '$ac_default_prefix' using '--prefix',
+for instance '--prefix=\$HOME'.
 
 For better control, use the options below.
 
@@ -1533,7 +1526,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of log4cplus 2.1.0:";;
+     short | recursive ) echo "Configuration of log4cplus 2.1.1:";;
    esac
   cat <<\_ACEOF
 
@@ -1633,7 +1626,7 @@ Some influential environment variables:
   LT_SYS_LIBRARY_PATH
               User-defined run-time library search path.
 
-Use these variables to override the choices made by `configure' or to help
+Use these variables to override the choices made by 'configure' or to help
 it to find libraries and programs with nonstandard names/locations.
 
 Report bugs to the package provider.
@@ -1700,10 +1693,10 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-log4cplus configure 2.1.0
-generated by GNU Autoconf 2.71
+log4cplus configure 2.1.1
+generated by GNU Autoconf 2.72c
 
-Copyright (C) 2021 Free Software Foundation, Inc.
+Copyright (C) 2023 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
@@ -1742,11 +1735,12 @@ printf "%s\n" "$ac_try_echo"; } >&5
        } && test -s conftest.$ac_objext
 then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1
+	ac_retval=1 ;;
+esac
 fi
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
@@ -1781,11 +1775,12 @@ printf "%s\n" "$ac_try_echo"; } >&5
        } && test -s conftest.$ac_objext
 then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1
+	ac_retval=1 ;;
+esac
 fi
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
@@ -1819,11 +1814,12 @@ printf "%s\n" "$ac_try_echo"; } >&5
        }
 then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-    ac_retval=1
+    ac_retval=1 ;;
+esac
 fi
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
@@ -1861,11 +1857,12 @@ printf "%s\n" "$ac_try_echo"; } >&5
        }
 then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1
+	ac_retval=1 ;;
+esac
 fi
   # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
   # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
@@ -1908,11 +1905,12 @@ printf "%s\n" "$ac_try_echo"; } >&5
        }
 then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1
+	ac_retval=1 ;;
+esac
 fi
   # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
   # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
@@ -1936,8 +1934,8 @@ printf %s "checking for $2... " >&6; }
 if eval test \${$3+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 #include <$2>
@@ -1945,10 +1943,12 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   eval "$3=yes"
-else $as_nop
-  eval "$3=no"
+else case e in #(
+  e) eval "$3=no" ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 eval ac_res=\$$3
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -1968,15 +1968,15 @@ printf %s "checking for $2... " >&6; }
 if eval test \${$3+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 /* Define $2 to an innocuous variant, in case <limits.h> declares $2.
    For example, HP-UX 11i <limits.h> declares gettimeofday.  */
 #define $2 innocuous_$2
 
 /* System header to define __stub macros and hopefully few prototypes,
-   which can conflict with char $2 (); below.  */
+   which can conflict with char $2 (void); below.  */
 
 #include <limits.h>
 #undef $2
@@ -1987,7 +1987,7 @@ else $as_nop
 #ifdef __cplusplus
 extern "C"
 #endif
-char $2 ();
+char $2 (void);
 /* The GNU C library defines this for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
     something starting with __ and the normal name is an alias.  */
@@ -2006,11 +2006,13 @@ _ACEOF
 if ac_fn_cxx_try_link "$LINENO"
 then :
   eval "$3=yes"
-else $as_nop
-  eval "$3=no"
+else case e in #(
+  e) eval "$3=no" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
-    conftest$ac_exeext conftest.$ac_ext
+    conftest$ac_exeext conftest.$ac_ext ;;
+esac
 fi
 eval ac_res=\$$3
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -2031,8 +2033,8 @@ printf %s "checking for $2... " >&6; }
 if eval test \${$3+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 #include <$2>
@@ -2040,10 +2042,12 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   eval "$3=yes"
-else $as_nop
-  eval "$3=no"
+else case e in #(
+  e) eval "$3=no" ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 eval ac_res=\$$3
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -2063,15 +2067,15 @@ printf %s "checking for $2... " >&6; }
 if eval test \${$3+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 /* Define $2 to an innocuous variant, in case <limits.h> declares $2.
    For example, HP-UX 11i <limits.h> declares gettimeofday.  */
 #define $2 innocuous_$2
 
 /* System header to define __stub macros and hopefully few prototypes,
-   which can conflict with char $2 (); below.  */
+   which can conflict with char $2 (void); below.  */
 
 #include <limits.h>
 #undef $2
@@ -2082,7 +2086,7 @@ else $as_nop
 #ifdef __cplusplus
 extern "C"
 #endif
-char $2 ();
+char $2 (void);
 /* The GNU C library defines this for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
     something starting with __ and the normal name is an alias.  */
@@ -2101,11 +2105,13 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   eval "$3=yes"
-else $as_nop
-  eval "$3=no"
+else case e in #(
+  e) eval "$3=no" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
-    conftest$ac_exeext conftest.$ac_ext
+    conftest$ac_exeext conftest.$ac_ext ;;
+esac
 fi
 eval ac_res=\$$3
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -2137,8 +2143,8 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by log4cplus $as_me 2.1.0, which was
-generated by GNU Autoconf 2.71.  Invocation command line was
+It was created by log4cplus $as_me 2.1.1, which was
+generated by GNU Autoconf 2.72c.  Invocation command line was
 
   $ $0$ac_configure_args_raw
 
@@ -2384,10 +2390,10 @@ esac
 printf "%s\n" "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
     . "$ac_site_file" \
-      || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+      || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "failed to load site script $ac_site_file
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; }
   fi
 done
 
@@ -2423,9 +2429,7 @@ struct stat;
 /* Most of the following tests are stolen from RCS 5.7 src/conf.sh.  */
 struct buf { int x; };
 struct buf * (*rcsopen) (struct buf *, struct stat *, int);
-static char *e (p, i)
-     char **p;
-     int i;
+static char *e (char **p, int i)
 {
   return p[i];
 }
@@ -2476,6 +2480,7 @@ extern int puts (const char *);
 extern int printf (const char *, ...);
 extern int dprintf (int, const char *, ...);
 extern void *malloc (size_t);
+extern void free (void *);
 
 // Check varargs macros.  These examples are taken from C99 6.10.3.5.
 // dprintf is used instead of fprintf to avoid needing to declare
@@ -2591,6 +2596,8 @@ ac_c_conftest_c99_main='
   ia->datasize = 10;
   for (int i = 0; i < ia->datasize; ++i)
     ia->data[i] = i * 1.234;
+  // Work around memory leak warnings.
+  free (ia);
 
   // Check named initializers.
   struct named_init ni = {
@@ -3020,8 +3027,9 @@ IFS=$as_save_IFS
 if $as_found
 then :
 
-else $as_nop
-  as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5
+else case e in #(
+  e) as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5 ;;
+esac
 fi
 
 
@@ -3049,12 +3057,12 @@ for ac_var in $ac_precious_vars; do
   eval ac_new_val=\$ac_env_${ac_var}_value
   case $ac_old_set,$ac_new_set in
     set,)
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
-printf "%s\n" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: '$ac_var' was set to '$ac_old_val' in the previous run" >&5
+printf "%s\n" "$as_me: error: '$ac_var' was set to '$ac_old_val' in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,set)
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
-printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: '$ac_var' was not set in the previous run" >&5
+printf "%s\n" "$as_me: error: '$ac_var' was not set in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,);;
     *)
@@ -3063,18 +3071,18 @@ printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
 	ac_old_val_w=`echo x $ac_old_val`
 	ac_new_val_w=`echo x $ac_new_val`
 	if test "$ac_old_val_w" != "$ac_new_val_w"; then
-	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
-printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: '$ac_var' has changed since the previous run:" >&5
+printf "%s\n" "$as_me: error: '$ac_var' has changed since the previous run:" >&2;}
 	  ac_cache_corrupted=:
 	else
-	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
-printf "%s\n" "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in '$ac_var' since the previous run:" >&5
+printf "%s\n" "$as_me: warning: ignoring whitespace changes in '$ac_var' since the previous run:" >&2;}
 	  eval $ac_var=\$ac_old_val
 	fi
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
-printf "%s\n" "$as_me:   former value:  \`$ac_old_val'" >&2;}
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
-printf "%s\n" "$as_me:   current value: \`$ac_new_val'" >&2;}
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   former value:  '$ac_old_val'" >&5
+printf "%s\n" "$as_me:   former value:  '$ac_old_val'" >&2;}
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   current value: '$ac_new_val'" >&5
+printf "%s\n" "$as_me:   current value: '$ac_new_val'" >&2;}
       fi;;
   esac
   # Pass precious variables to config.status.
@@ -3090,11 +3098,11 @@ printf "%s\n" "$as_me:   current value: \`$ac_new_val'" >&2;}
   fi
 done
 if $ac_cache_corrupted; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
 printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;}
-  as_fn_error $? "run \`${MAKE-make} distclean' and/or \`rm $cache_file'
+  as_fn_error $? "run '${MAKE-make} distclean' and/or 'rm $cache_file'
 	    and start over" "$LINENO" 5
 fi
 ## -------------------- ##
@@ -3120,15 +3128,16 @@ printf %s "checking build system type... " >&6; }
 if test ${ac_cv_build+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_build_alias=$build_alias
+else case e in #(
+  e) ac_build_alias=$build_alias
 test "x$ac_build_alias" = x &&
   ac_build_alias=`$SHELL "${ac_aux_dir}config.guess"`
 test "x$ac_build_alias" = x &&
   as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
 ac_cv_build=`$SHELL "${ac_aux_dir}config.sub" $ac_build_alias` ||
   as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $ac_build_alias failed" "$LINENO" 5
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
 printf "%s\n" "$ac_cv_build" >&6; }
@@ -3155,14 +3164,15 @@ printf %s "checking host system type... " >&6; }
 if test ${ac_cv_host+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test "x$host_alias" = x; then
+else case e in #(
+  e) if test "x$host_alias" = x; then
   ac_cv_host=$ac_cv_build
 else
   ac_cv_host=`$SHELL "${ac_aux_dir}config.sub" $host_alias` ||
     as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $host_alias failed" "$LINENO" 5
 fi
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
 printf "%s\n" "$ac_cv_host" >&6; }
@@ -3189,14 +3199,15 @@ printf %s "checking target system type... " >&6; }
 if test ${ac_cv_target+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test "x$target_alias" = x; then
+else case e in #(
+  e) if test "x$target_alias" = x; then
   ac_cv_target=$ac_cv_host
 else
   ac_cv_target=`$SHELL "${ac_aux_dir}config.sub" $target_alias` ||
     as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $target_alias failed" "$LINENO" 5
 fi
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_target" >&5
 printf "%s\n" "$ac_cv_target" >&6; }
@@ -3249,8 +3260,8 @@ if test -z "$INSTALL"; then
 if test ${ac_cv_path_install+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+else case e in #(
+  e) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
@@ -3304,7 +3315,8 @@ esac
 IFS=$as_save_IFS
 
 rm -rf conftest.one conftest.two conftest.dir
-
+ ;;
+esac
 fi
   if test ${ac_cv_path_install+y}; then
     INSTALL=$ac_cv_path_install
@@ -3400,7 +3412,7 @@ test "$program_prefix" != NONE &&
 test "$program_suffix" != NONE &&
   program_transform_name="s&\$&$program_suffix&;$program_transform_name"
 # Double any \ or $.
-# By default was `s,x,x', remove it if useless.
+# By default was 's,x,x', remove it if useless.
 ac_script='s/[\\$]/&&/g;s/;s,x,x,$//'
 program_transform_name=`printf "%s\n" "$program_transform_name" | sed "$ac_script"`
 
@@ -3443,8 +3455,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_STRIP+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$STRIP"; then
+else case e in #(
+  e) if test -n "$STRIP"; then
   ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3466,7 +3478,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 STRIP=$ac_cv_prog_STRIP
 if test -n "$STRIP"; then
@@ -3488,8 +3501,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_STRIP+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_STRIP"; then
+else case e in #(
+  e) if test -n "$ac_ct_STRIP"; then
   ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3511,7 +3524,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
 if test -n "$ac_ct_STRIP"; then
@@ -3547,8 +3561,8 @@ if test -z "$MKDIR_P"; then
   if test ${ac_cv_path_mkdir+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+else case e in #(
+  e) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin
 do
   IFS=$as_save_IFS
@@ -3571,18 +3585,17 @@ do
        done
   done
 IFS=$as_save_IFS
-
+ ;;
+esac
 fi
 
   test -d ./--version && rmdir ./--version
   if test ${ac_cv_path_mkdir+y}; then
     MKDIR_P="$ac_cv_path_mkdir -p"
   else
-    # As a last resort, use the slow shell script.  Don't cache a
-    # value for MKDIR_P within a source directory, because that will
-    # break other packages using the cache if that directory is
-    # removed, or if the value is a relative name.
-    MKDIR_P="$ac_install_sh -d"
+    # As a last resort, use plain mkdir -p,
+    # in the hope it doesn't have the bugs of ancient mkdir.
+    MKDIR_P='mkdir -p'
   fi
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5
@@ -3597,8 +3610,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_AWK+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$AWK"; then
+else case e in #(
+  e) if test -n "$AWK"; then
   ac_cv_prog_AWK="$AWK" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3620,7 +3633,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 AWK=$ac_cv_prog_AWK
 if test -n "$AWK"; then
@@ -3642,8 +3656,8 @@ ac_make=`printf "%s\n" "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
 if eval test \${ac_cv_prog_make_${ac_make}_set+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat >conftest.make <<\_ACEOF
+else case e in #(
+  e) cat >conftest.make <<\_ACEOF
 SHELL = /bin/sh
 all:
 	@echo '@@@%%%=$(MAKE)=@@@%%%'
@@ -3655,7 +3669,8 @@ case `${MAKE-make} -f conftest.make 2>/dev/null` in
   *)
     eval ac_cv_prog_make_${ac_make}_set=no;;
 esac
-rm -f conftest.make
+rm -f conftest.make ;;
+esac
 fi
 if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
@@ -3693,8 +3708,8 @@ printf %s "checking whether $am_make supports nested variables... " >&6; }
 if test ${am_cv_make_support_nested_variables+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if printf "%s\n" 'TRUE=$(BAR$(V))
+else case e in #(
+  e) if printf "%s\n" 'TRUE=$(BAR$(V))
 BAR0=false
 BAR1=true
 V=1
@@ -3704,7 +3719,8 @@ am__doit:
   am_cv_make_support_nested_variables=yes
 else
   am_cv_make_support_nested_variables=no
-fi
+fi ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5
 printf "%s\n" "$am_cv_make_support_nested_variables" >&6; }
@@ -3739,7 +3755,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='log4cplus'
- VERSION='2.1.0'
+ VERSION='2.1.1'
 
 
 # Some tools Automake needs.
@@ -3846,8 +3862,9 @@ printf %s "checking whether to enable maintainer-specific portions of Makefiles.
 if test ${enable_maintainer_mode+y}
 then :
   enableval=$enable_maintainer_mode; USE_MAINTAINER_MODE=$enableval
-else $as_nop
-  USE_MAINTAINER_MODE=yes
+else case e in #(
+  e) USE_MAINTAINER_MODE=yes ;;
+esac
 fi
 
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $USE_MAINTAINER_MODE" >&5
@@ -3949,8 +3966,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CC"; then
+else case e in #(
+  e) if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3972,7 +3989,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -3994,8 +4012,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_CC"; then
+else case e in #(
+  e) if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4017,7 +4035,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
@@ -4052,8 +4071,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CC"; then
+else case e in #(
+  e) if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4075,7 +4094,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -4097,8 +4117,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CC"; then
+else case e in #(
+  e) if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   ac_prog_rejected=no
@@ -4137,7 +4157,8 @@ if test $ac_prog_rejected = yes; then
     ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@"
   fi
 fi
-fi
+fi ;;
+esac
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -4161,8 +4182,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CC"; then
+else case e in #(
+  e) if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4184,7 +4205,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -4210,8 +4232,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_CC"; then
+else case e in #(
+  e) if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4233,7 +4255,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
@@ -4271,8 +4294,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CC"; then
+else case e in #(
+  e) if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4294,7 +4317,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -4316,8 +4340,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_CC"; then
+else case e in #(
+  e) if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4339,7 +4363,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
@@ -4368,10 +4393,10 @@ fi
 fi
 
 
-test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "no acceptable C compiler found in \$PATH
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; }
 
 # Provide some information about the compiler.
 printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
@@ -4443,8 +4468,8 @@ printf "%s\n" "$ac_try_echo"; } >&5
   printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 then :
-  # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
-# So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
+  # Autoconf-2.13 could set the ac_cv_exeext variable to 'no'.
+# So ignore a value of 'no', otherwise this would lead to 'EXEEXT = no'
 # in a Makefile.  We should not override ac_cv_exeext if it was cached,
 # so that the user can short-circuit this test for compilers unknown to
 # Autoconf.
@@ -4464,7 +4489,7 @@ do
 	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
 	fi
 	# We set ac_cv_exeext here because the later test for it is not
-	# safe: cross compilers may not add the suffix if given an `-o'
+	# safe: cross compilers may not add the suffix if given an '-o'
 	# argument, so we may need to know it at that point already.
 	# Even if this section looks crufty: it has the advantage of
 	# actually working.
@@ -4475,8 +4500,9 @@ do
 done
 test "$ac_cv_exeext" = no && ac_cv_exeext=
 
-else $as_nop
-  ac_file=''
+else case e in #(
+  e) ac_file='' ;;
+esac
 fi
 if test -z "$ac_file"
 then :
@@ -4485,13 +4511,14 @@ printf "%s\n" "no" >&6; }
 printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error 77 "C compiler cannot create executables
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; } ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
 printf %s "checking for C compiler default output file name... " >&6; }
@@ -4515,10 +4542,10 @@ printf "%s\n" "$ac_try_echo"; } >&5
   printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 then :
-  # If both `conftest.exe' and `conftest' are `present' (well, observable)
-# catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
-# work properly (i.e., refer to `conftest.exe'), while it won't with
-# `rm'.
+  # If both 'conftest.exe' and 'conftest' are 'present' (well, observable)
+# catch 'conftest.exe'.  For instance with Cygwin, 'ls conftest' will
+# work properly (i.e., refer to 'conftest.exe'), while it won't with
+# 'rm'.
 for ac_file in conftest.exe conftest conftest.*; do
   test -f "$ac_file" || continue
   case $ac_file in
@@ -4528,11 +4555,12 @@ for ac_file in conftest.exe conftest conftest.*; do
     * ) break;;
   esac
 done
-else $as_nop
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+else case e in #(
+  e) { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; } ;;
+esac
 fi
 rm -f conftest conftest$ac_cv_exeext
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
@@ -4587,26 +4615,27 @@ printf "%s\n" "$ac_try_echo"; } >&5
     if test "$cross_compiling" = maybe; then
 	cross_compiling=yes
     else
-	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error 77 "cannot run C compiled programs.
-If you meant to cross compile, use \`--host'.
-See \`config.log' for more details" "$LINENO" 5; }
+If you meant to cross compile, use '--host'.
+See 'config.log' for more details" "$LINENO" 5; }
     fi
   fi
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
 printf "%s\n" "$cross_compiling" >&6; }
 
-rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
+rm -f conftest.$ac_ext conftest$ac_cv_exeext \
+  conftest.o conftest.obj conftest.out
 ac_clean_files=$ac_clean_files_save
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
 printf %s "checking for suffix of object files... " >&6; }
 if test ${ac_cv_objext+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -4638,16 +4667,18 @@ then :
        break;;
   esac
 done
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of object files: cannot compile
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; } ;;
+esac
 fi
-rm -f conftest.$ac_cv_objext conftest.$ac_ext
+rm -f conftest.$ac_cv_objext conftest.$ac_ext ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
 printf "%s\n" "$ac_cv_objext" >&6; }
@@ -4658,8 +4689,8 @@ printf %s "checking whether the compiler supports GNU C... " >&6; }
 if test ${ac_cv_c_compiler_gnu+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -4676,12 +4707,14 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_compiler_gnu=yes
-else $as_nop
-  ac_compiler_gnu=no
+else case e in #(
+  e) ac_compiler_gnu=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
 printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; }
@@ -4699,8 +4732,8 @@ printf %s "checking whether $CC accepts -g... " >&6; }
 if test ${ac_cv_prog_cc_g+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_save_c_werror_flag=$ac_c_werror_flag
+else case e in #(
+  e) ac_save_c_werror_flag=$ac_c_werror_flag
    ac_c_werror_flag=yes
    ac_cv_prog_cc_g=no
    CFLAGS="-g"
@@ -4718,8 +4751,8 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_prog_cc_g=yes
-else $as_nop
-  CFLAGS=""
+else case e in #(
+  e) CFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -4734,8 +4767,8 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-else $as_nop
-  ac_c_werror_flag=$ac_save_c_werror_flag
+else case e in #(
+  e) ac_c_werror_flag=$ac_save_c_werror_flag
 	 CFLAGS="-g"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4752,12 +4785,15 @@ if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_prog_cc_g=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-   ac_c_werror_flag=$ac_save_c_werror_flag
+   ac_c_werror_flag=$ac_save_c_werror_flag ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
 printf "%s\n" "$ac_cv_prog_cc_g" >&6; }
@@ -4784,8 +4820,8 @@ printf %s "checking for $CC option to enable C11 features... " >&6; }
 if test ${ac_cv_prog_cc_c11+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cc_c11=no
+else case e in #(
+  e) ac_cv_prog_cc_c11=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4802,25 +4838,28 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c11" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC
+CC=$ac_save_CC ;;
+esac
 fi
 
 if test "x$ac_cv_prog_cc_c11" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cc_c11" = x
+else case e in #(
+  e) if test "x$ac_cv_prog_cc_c11" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
 printf "%s\n" "$ac_cv_prog_cc_c11" >&6; }
-     CC="$CC $ac_cv_prog_cc_c11"
+     CC="$CC $ac_cv_prog_cc_c11" ;;
+esac
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11
-  ac_prog_cc_stdc=c11
+  ac_prog_cc_stdc=c11 ;;
+esac
 fi
 fi
 if test x$ac_prog_cc_stdc = xno
@@ -4830,8 +4869,8 @@ printf %s "checking for $CC option to enable C99 features... " >&6; }
 if test ${ac_cv_prog_cc_c99+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cc_c99=no
+else case e in #(
+  e) ac_cv_prog_cc_c99=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4848,25 +4887,28 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c99" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC
+CC=$ac_save_CC ;;
+esac
 fi
 
 if test "x$ac_cv_prog_cc_c99" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cc_c99" = x
+else case e in #(
+  e) if test "x$ac_cv_prog_cc_c99" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
 printf "%s\n" "$ac_cv_prog_cc_c99" >&6; }
-     CC="$CC $ac_cv_prog_cc_c99"
+     CC="$CC $ac_cv_prog_cc_c99" ;;
+esac
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99
-  ac_prog_cc_stdc=c99
+  ac_prog_cc_stdc=c99 ;;
+esac
 fi
 fi
 if test x$ac_prog_cc_stdc = xno
@@ -4876,8 +4918,8 @@ printf %s "checking for $CC option to enable C89 features... " >&6; }
 if test ${ac_cv_prog_cc_c89+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cc_c89=no
+else case e in #(
+  e) ac_cv_prog_cc_c89=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4894,25 +4936,28 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c89" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC
+CC=$ac_save_CC ;;
+esac
 fi
 
 if test "x$ac_cv_prog_cc_c89" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cc_c89" = x
+else case e in #(
+  e) if test "x$ac_cv_prog_cc_c89" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
 printf "%s\n" "$ac_cv_prog_cc_c89" >&6; }
-     CC="$CC $ac_cv_prog_cc_c89"
+     CC="$CC $ac_cv_prog_cc_c89" ;;
+esac
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89
-  ac_prog_cc_stdc=c89
+  ac_prog_cc_stdc=c89 ;;
+esac
 fi
 fi
 
@@ -4933,8 +4978,8 @@ printf %s "checking whether $CC understands -c and -o together... " >&6; }
 if test ${am_cv_prog_cc_c_o+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -4964,7 +5009,8 @@ _ACEOF
     fi
   done
   rm -f core conftest*
-  unset am_i
+  unset am_i ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5
 printf "%s\n" "$am_cv_prog_cc_c_o" >&6; }
@@ -4990,8 +5036,8 @@ printf %s "checking dependency style of $depcc... " >&6; }
 if test ${am_cv_CC_dependencies_compiler_type+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+else case e in #(
+  e) if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
   # We make a subdir and do the tests there.  Otherwise we can end up
   # making bogus files that we don't know about and never remove.  For
   # instance it was reported that on HP-UX the gcc test will end up
@@ -5095,7 +5141,8 @@ else $as_nop
 else
   am_cv_CC_dependencies_compiler_type=none
 fi
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5
 printf "%s\n" "$am_cv_CC_dependencies_compiler_type" >&6; }
@@ -5124,8 +5171,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_AR+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$AR"; then
+else case e in #(
+  e) if test -n "$AR"; then
   ac_cv_prog_AR="$AR" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5147,7 +5194,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 AR=$ac_cv_prog_AR
 if test -n "$AR"; then
@@ -5173,8 +5221,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_AR+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_AR"; then
+else case e in #(
+  e) if test -n "$ac_ct_AR"; then
   ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5196,7 +5244,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_AR=$ac_cv_prog_ac_ct_AR
 if test -n "$ac_ct_AR"; then
@@ -5231,8 +5280,8 @@ printf %s "checking the archiver ($AR) interface... " >&6; }
 if test ${am_cv_ar_interface+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_ext=c
+else case e in #(
+  e) ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
@@ -5275,7 +5324,8 @@ ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_ar_interface" >&5
 printf "%s\n" "$am_cv_ar_interface" >&6; }
@@ -5305,7 +5355,7 @@ esac
 #  ? :+1 : ?   == just some internal changes, nothing breaks but might work
 #                 better
 # CURRENT : REVISION : AGE
-LT_VERSION=9:0:0
+LT_VERSION=9:1:0
 LT_RELEASE=2.1
 
 
@@ -5327,8 +5377,9 @@ if test ${with_working_locale+y}
 then :
   withval=$with_working_locale;
    log4cplus_check_yesno_func "${withval}" "--with-working-locale"
-else $as_nop
-  with_working_locale=no
+else case e in #(
+  e) with_working_locale=no ;;
+esac
 fi
 
 
@@ -5345,8 +5396,9 @@ if test ${with_working_c_locale+y}
 then :
   withval=$with_working_c_locale;
    log4cplus_check_yesno_func "${withval}" "--with-working-c-locale"
-else $as_nop
-  with_working_c_locale=no
+else case e in #(
+  e) with_working_c_locale=no ;;
+esac
 fi
 
 
@@ -5363,8 +5415,9 @@ if test ${with_iconv+y}
 then :
   withval=$with_iconv;
    log4cplus_check_yesno_func "${withval}" "--with-iconv"
-else $as_nop
-  with_iconv=no
+else case e in #(
+  e) with_iconv=no ;;
+esac
 fi
 
 
@@ -5390,8 +5443,9 @@ if test ${enable_debugging+y}
 then :
   enableval=$enable_debugging;
    log4cplus_check_yesno_func "${enableval}" "--enable-debugging"
-else $as_nop
-  enable_debugging=no
+else case e in #(
+  e) enable_debugging=no ;;
+esac
 fi
 
 
@@ -5409,8 +5463,9 @@ then :
   *) :
      ;;
 esac
-else $as_nop
-  LOG4CPLUS_NDEBUG=-DNDEBUG
+else case e in #(
+  e) LOG4CPLUS_NDEBUG=-DNDEBUG ;;
+esac
 fi
 
 
@@ -5420,8 +5475,9 @@ if test ${enable_warnings+y}
 then :
   enableval=$enable_warnings;
    log4cplus_check_yesno_func "${enableval}" "--enable-warnings"
-else $as_nop
-  enable_warnings=yes
+else case e in #(
+  e) enable_warnings=yes ;;
+esac
 fi
 
 
@@ -5431,8 +5487,9 @@ if test ${enable_so_version+y}
 then :
   enableval=$enable_so_version;
    log4cplus_check_yesno_func "${enableval}" "--enable-so-version"
-else $as_nop
-  enable_so_version=yes
+else case e in #(
+  e) enable_so_version=yes ;;
+esac
 fi
 
  if test "x$enable_so_version" = "xyes"; then
@@ -5450,15 +5507,17 @@ if test ${enable_implicit_initialization+y}
 then :
   enableval=$enable_implicit_initialization;
    log4cplus_check_yesno_func "${enableval}" "--enable-implicit-initialization"
-else $as_nop
-  enable_implicit_initialization=yes
+else case e in #(
+  e) enable_implicit_initialization=yes ;;
+esac
 fi
 
 if test "x$enable_implicit_initialization" = "xyes"
 then :
 
-else $as_nop
-  as_fn_append CPPFLAGS " -DLOG4CPLUS_REQUIRE_EXPLICIT_INITIALIZATION=1"
+else case e in #(
+  e) as_fn_append CPPFLAGS " -DLOG4CPLUS_REQUIRE_EXPLICIT_INITIALIZATION=1" ;;
+esac
 fi
 
 
@@ -5467,8 +5526,9 @@ if test ${enable_thread_pool+y}
 then :
   enableval=$enable_thread_pool;
    log4cplus_check_yesno_func "${enableval}" "--enable-thread-pool"
-else $as_nop
-  enable_thread_pool=yes
+else case e in #(
+  e) enable_thread_pool=yes ;;
+esac
 fi
 
 if test "x$enable_thread_pool" = "xyes"
@@ -5482,8 +5542,9 @@ if test ${enable_release_version+y}
 then :
   enableval=$enable_release_version;
    log4cplus_check_yesno_func "${enableval}" "--enable-release-version"
-else $as_nop
-  enable_release_version=yes
+else case e in #(
+  e) enable_release_version=yes ;;
+esac
 fi
 
  if test "x$enable_release_version" = "xyes"; then
@@ -5501,8 +5562,9 @@ if test ${enable_symbols_visibility_options+y}
 then :
   enableval=$enable_symbols_visibility_options;
    log4cplus_check_yesno_func "${enableval}" "--enable-symbols-visibility-options"
-else $as_nop
-  enable_symbols_visibility_options=yes
+else case e in #(
+  e) enable_symbols_visibility_options=yes ;;
+esac
 fi
 
 
@@ -5513,8 +5575,9 @@ if test ${with_wchar_t_support+y}
 then :
   withval=$with_wchar_t_support;
    log4cplus_check_yesno_func "${withval}" "--with-wchar_t-support"
-else $as_nop
-  with_wchar_t_support=yes
+else case e in #(
+  e) with_wchar_t_support=yes ;;
+esac
 fi
 
  if test "x$with_wchar_t_support" = "xyes"; then
@@ -5533,8 +5596,9 @@ if test ${enable_tests+y}
 then :
   enableval=$enable_tests;
    log4cplus_check_yesno_func "${enableval}" "--enable-tests"
-else $as_nop
-  enable_tests=yes
+else case e in #(
+  e) enable_tests=yes ;;
+esac
 fi
 
  if test "x$enable_tests" = "xyes"; then
@@ -5552,8 +5616,9 @@ if test ${enable_unit_tests+y}
 then :
   enableval=$enable_unit_tests;
    log4cplus_check_yesno_func "${enableval}" "--enable-unit-tests"
-else $as_nop
-  enable_unit_tests=no
+else case e in #(
+  e) enable_unit_tests=no ;;
+esac
 fi
 
 
@@ -5569,8 +5634,9 @@ if test ${enable_lto+y}
 then :
   enableval=$enable_lto;
    log4cplus_check_yesno_func "${enableval}" "--enable-lto"
-else $as_nop
-  enable_lto=no
+else case e in #(
+  e) enable_lto=no ;;
+esac
 fi
 
 LOG4CPLUS_LTO_LDFLAGS=
@@ -5602,8 +5668,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CXX+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CXX"; then
+else case e in #(
+  e) if test -n "$CXX"; then
   ac_cv_prog_CXX="$CXX" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5625,7 +5691,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 CXX=$ac_cv_prog_CXX
 if test -n "$CXX"; then
@@ -5651,8 +5718,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_CXX+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_CXX"; then
+else case e in #(
+  e) if test -n "$ac_ct_CXX"; then
   ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5674,7 +5741,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
 if test -n "$ac_ct_CXX"; then
@@ -5734,8 +5802,8 @@ printf %s "checking whether the compiler supports GNU C++... " >&6; }
 if test ${ac_cv_cxx_compiler_gnu+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -5752,12 +5820,14 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ac_compiler_gnu=yes
-else $as_nop
-  ac_compiler_gnu=no
+else case e in #(
+  e) ac_compiler_gnu=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
 printf "%s\n" "$ac_cv_cxx_compiler_gnu" >&6; }
@@ -5775,8 +5845,8 @@ printf %s "checking whether $CXX accepts -g... " >&6; }
 if test ${ac_cv_prog_cxx_g+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+else case e in #(
+  e) ac_save_cxx_werror_flag=$ac_cxx_werror_flag
    ac_cxx_werror_flag=yes
    ac_cv_prog_cxx_g=no
    CXXFLAGS="-g"
@@ -5794,8 +5864,8 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ac_cv_prog_cxx_g=yes
-else $as_nop
-  CXXFLAGS=""
+else case e in #(
+  e) CXXFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -5810,8 +5880,8 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
 
-else $as_nop
-  ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+else case e in #(
+  e) ac_cxx_werror_flag=$ac_save_cxx_werror_flag
 	 CXXFLAGS="-g"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -5828,12 +5898,15 @@ if ac_fn_cxx_try_compile "$LINENO"
 then :
   ac_cv_prog_cxx_g=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-   ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+   ac_cxx_werror_flag=$ac_save_cxx_werror_flag ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
 printf "%s\n" "$ac_cv_prog_cxx_g" >&6; }
@@ -5857,11 +5930,11 @@ if test x$ac_prog_cxx_stdcxx = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX option to enable C++11 features" >&5
 printf %s "checking for $CXX option to enable C++11 features... " >&6; }
-if test ${ac_cv_prog_cxx_11+y}
+if test ${ac_cv_prog_cxx_cxx11+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cxx_11=no
+else case e in #(
+  e) ac_cv_prog_cxx_cxx11=no
 ac_save_CXX=$CXX
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -5878,36 +5951,39 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cxx_cxx11" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CXX=$ac_save_CXX
+CXX=$ac_save_CXX ;;
+esac
 fi
 
 if test "x$ac_cv_prog_cxx_cxx11" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cxx_cxx11" = x
+else case e in #(
+  e) if test "x$ac_cv_prog_cxx_cxx11" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx11" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx11" >&5
 printf "%s\n" "$ac_cv_prog_cxx_cxx11" >&6; }
-     CXX="$CXX $ac_cv_prog_cxx_cxx11"
+     CXX="$CXX $ac_cv_prog_cxx_cxx11" ;;
+esac
 fi
   ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx11
-  ac_prog_cxx_stdcxx=cxx11
+  ac_prog_cxx_stdcxx=cxx11 ;;
+esac
 fi
 fi
 if test x$ac_prog_cxx_stdcxx = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX option to enable C++98 features" >&5
 printf %s "checking for $CXX option to enable C++98 features... " >&6; }
-if test ${ac_cv_prog_cxx_98+y}
+if test ${ac_cv_prog_cxx_cxx98+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cxx_98=no
+else case e in #(
+  e) ac_cv_prog_cxx_cxx98=no
 ac_save_CXX=$CXX
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -5924,25 +6000,28 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cxx_cxx98" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CXX=$ac_save_CXX
+CXX=$ac_save_CXX ;;
+esac
 fi
 
 if test "x$ac_cv_prog_cxx_cxx98" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cxx_cxx98" = x
+else case e in #(
+  e) if test "x$ac_cv_prog_cxx_cxx98" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx98" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx98" >&5
 printf "%s\n" "$ac_cv_prog_cxx_cxx98" >&6; }
-     CXX="$CXX $ac_cv_prog_cxx_cxx98"
+     CXX="$CXX $ac_cv_prog_cxx_cxx98" ;;
+esac
 fi
   ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx98
-  ac_prog_cxx_stdcxx=cxx98
+  ac_prog_cxx_stdcxx=cxx98 ;;
+esac
 fi
 fi
 
@@ -5959,8 +6038,8 @@ printf %s "checking dependency style of $depcc... " >&6; }
 if test ${am_cv_CXX_dependencies_compiler_type+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+else case e in #(
+  e) if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
   # We make a subdir and do the tests there.  Otherwise we can end up
   # making bogus files that we don't know about and never remove.  For
   # instance it was reported that on HP-UX the gcc test will end up
@@ -6064,7 +6143,8 @@ else $as_nop
 else
   am_cv_CXX_dependencies_compiler_type=none
 fi
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_CXX_dependencies_compiler_type" >&5
 printf "%s\n" "$am_cv_CXX_dependencies_compiler_type" >&6; }
@@ -6092,8 +6172,8 @@ if test -z "$CXXCPP"; then
   if test ${ac_cv_prog_CXXCPP+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-      # Double quotes because $CXX needs to be expanded
+else case e in #(
+  e)     # Double quotes because $CXX needs to be expanded
     for CXXCPP in "$CXX -E" cpp /lib/cpp
     do
       ac_preproc_ok=false
@@ -6111,9 +6191,10 @@ _ACEOF
 if ac_fn_cxx_try_cpp "$LINENO"
 then :
 
-else $as_nop
-  # Broken: fails on valid input.
-continue
+else case e in #(
+  e) # Broken: fails on valid input.
+continue ;;
+esac
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
 
@@ -6127,15 +6208,16 @@ if ac_fn_cxx_try_cpp "$LINENO"
 then :
   # Broken: success on invalid input.
 continue
-else $as_nop
-  # Passes both tests.
+else case e in #(
+  e) # Passes both tests.
 ac_preproc_ok=:
-break
+break ;;
+esac
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
 
 done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+# Because of 'break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.i conftest.err conftest.$ac_ext
 if $ac_preproc_ok
 then :
@@ -6144,7 +6226,8 @@ fi
 
     done
     ac_cv_prog_CXXCPP=$CXXCPP
-
+   ;;
+esac
 fi
   CXXCPP=$ac_cv_prog_CXXCPP
 else
@@ -6167,9 +6250,10 @@ _ACEOF
 if ac_fn_cxx_try_cpp "$LINENO"
 then :
 
-else $as_nop
-  # Broken: fails on valid input.
-continue
+else case e in #(
+  e) # Broken: fails on valid input.
+continue ;;
+esac
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
 
@@ -6183,24 +6267,26 @@ if ac_fn_cxx_try_cpp "$LINENO"
 then :
   # Broken: success on invalid input.
 continue
-else $as_nop
-  # Passes both tests.
+else case e in #(
+  e) # Passes both tests.
 ac_preproc_ok=:
-break
+break ;;
+esac
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
 
 done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+# Because of 'break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.i conftest.err conftest.$ac_ext
 if $ac_preproc_ok
 then :
 
-else $as_nop
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+else case e in #(
+  e) { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "C++ preprocessor \"$CXXCPP\" fails sanity check
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; } ;;
+esac
 fi
 
 ac_ext=c
@@ -6229,8 +6315,8 @@ printf %s "checking whether $CXX supports C++11 features by default... " >&6; }
 if test ${ax_cv_cxx_compile_cxx11+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
   template <typename T>
@@ -6262,10 +6348,12 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ax_cv_cxx_compile_cxx11=yes
-else $as_nop
-  ax_cv_cxx_compile_cxx11=no
+else case e in #(
+  e) ax_cv_cxx_compile_cxx11=no ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxx_compile_cxx11" >&5
 printf "%s\n" "$ax_cv_cxx_compile_cxx11" >&6; }
@@ -6275,14 +6363,14 @@ printf "%s\n" "$ax_cv_cxx_compile_cxx11" >&6; }
 
     if test x$ac_success = xno; then
     for switch in -std=gnu++11 -std=gnu++0x; do
-      cachevar=`printf "%s\n" "ax_cv_cxx_compile_cxx11_$switch" | $as_tr_sh`
+      cachevar=`printf "%s\n" "ax_cv_cxx_compile_cxx11_$switch" | sed "$as_sed_sh"`
       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CXX supports C++11 features with $switch" >&5
 printf %s "checking whether $CXX supports C++11 features with $switch... " >&6; }
 if eval test \${$cachevar+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_save_CXXFLAGS="$CXXFLAGS"
+else case e in #(
+  e) ac_save_CXXFLAGS="$CXXFLAGS"
          CXXFLAGS="$CXXFLAGS $switch"
          cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6316,11 +6404,13 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   eval $cachevar=yes
-else $as_nop
-  eval $cachevar=no
+else case e in #(
+  e) eval $cachevar=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-         CXXFLAGS="$ac_save_CXXFLAGS"
+         CXXFLAGS="$ac_save_CXXFLAGS" ;;
+esac
 fi
 eval ac_res=\$$cachevar
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -6335,14 +6425,14 @@ printf "%s\n" "$ac_res" >&6; }
 
     if test x$ac_success = xno; then
     for switch in -std=c++11 -std=c++0x; do
-      cachevar=`printf "%s\n" "ax_cv_cxx_compile_cxx11_$switch" | $as_tr_sh`
+      cachevar=`printf "%s\n" "ax_cv_cxx_compile_cxx11_$switch" | sed "$as_sed_sh"`
       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CXX supports C++11 features with $switch" >&5
 printf %s "checking whether $CXX supports C++11 features with $switch... " >&6; }
 if eval test \${$cachevar+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_save_CXXFLAGS="$CXXFLAGS"
+else case e in #(
+  e) ac_save_CXXFLAGS="$CXXFLAGS"
          CXXFLAGS="$CXXFLAGS $switch"
          cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6376,11 +6466,13 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   eval $cachevar=yes
-else $as_nop
-  eval $cachevar=no
+else case e in #(
+  e) eval $cachevar=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-         CXXFLAGS="$ac_save_CXXFLAGS"
+         CXXFLAGS="$ac_save_CXXFLAGS" ;;
+esac
 fi
 eval ac_res=\$$cachevar
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -6429,8 +6521,9 @@ case "$target_os" in #(
    if printf %s "$CPPFLAGS"           | $GREP -e '_WIN32_WINNT=' >/dev/null
 then :
 
-else $as_nop
-  as_fn_append CPPFLAGS " -D_WIN32_WINNT=0x600"
+else case e in #(
+  e) as_fn_append CPPFLAGS " -D_WIN32_WINNT=0x600" ;;
+esac
 fi ;; #(
   cygwin*) :
              as_fn_append CPPFLAGS " -U__STRICT_ANSI__" ;; #(
@@ -6438,8 +6531,9 @@ fi ;; #(
                    if printf %s "$CPPFLAGS"           | $GREP -e '_XOPEN_SOURCE=' >/dev/null
 then :
 
-else $as_nop
-  as_fn_append CPPFLAGS " -D_XOPEN_SOURCE=600"
+else case e in #(
+  e) as_fn_append CPPFLAGS " -D_XOPEN_SOURCE=600" ;;
+esac
 fi
 
    if test -z "$UNIX_STD"
@@ -6460,8 +6554,9 @@ if test ${enable_profiling+y}
 then :
   enableval=$enable_profiling;
    log4cplus_check_yesno_func "${enableval}" "--enable-profiling"
-else $as_nop
-  enable_profiling=no
+else case e in #(
+  e) enable_profiling=no ;;
+esac
 fi
 
 LOG4CPLUS_PROFILING_LDFLAGS=
@@ -6473,8 +6568,8 @@ printf %s "checking for a sed that does not truncate output... " >&6; }
 if test ${ac_cv_path_SED+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-            ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
+else case e in #(
+  e)           ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
      for ac_i in 1 2 3 4 5 6 7; do
        ac_script="$ac_script$as_nl$ac_script"
      done
@@ -6536,7 +6631,8 @@ IFS=$as_save_IFS
 else
   ac_cv_path_SED=$SED
 fi
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5
 printf "%s\n" "$ac_cv_path_SED" >&6; }
@@ -6549,8 +6645,8 @@ printf %s "checking for C++ compiler vendor... " >&6; }
 if test ${ax_cv_cxx_compiler_vendor+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  # note: don't check for gcc first since some other compilers define __GNUC__
+else case e in #(
+  e) # note: don't check for gcc first since some other compilers define __GNUC__
   vendors="intel:     __ICC,__ECC,__INTEL_COMPILER
            ibm:       __xlc__,__xlC__,__IBMC__,__IBMCPP__
            pathscale: __PATHCC__,__PATHSCALE__
@@ -6600,7 +6696,8 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
   done
   ax_cv_cxx_compiler_vendor="`printf "%s\n" $vendor | cut -d: -f1`"
-
+  ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxx_compiler_vendor" >&5
 printf "%s\n" "$ax_cv_cxx_compiler_vendor" >&6; }
@@ -6623,8 +6720,8 @@ printf %s "checking CXXFLAGS for maximum warnings... " >&6; }
 if test ${ac_cv_cxxflags_warn_all+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_cxxflags_warn_all="no, unknown"
+else case e in #(
+  e) ac_cv_cxxflags_warn_all="no, unknown"
 ac_save_CXXFLAGS=$CXXFLAGS
 for ac_arg in "-warn all  % -warn all"      "-pedantic  % -Wall"          "-xstrconst % -v"             "-std1      % -verbose -w0 -warnprotos"    "-qlanglvl=ansi % -qsrcmsg -qinfo=all:noppt:noppc:noobs:nocnd"    "-ansi -ansiE % -fullwarn"    "+ESlit     % +w1"            "-Xc        % -pvctl,fullmsg"    "-h conform % -h msglevel 2"    #
 do CXXFLAGS="$ac_save_CXXFLAGS `printf %s \"$ac_arg\" | $SED -e 's,%%.*,,' -e 's,%,,'`"
@@ -6648,7 +6745,8 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 done
 CXXFLAGS=$ac_save_CXXFLAGS
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxxflags_warn_all" >&5
 printf "%s\n" "$ac_cv_cxxflags_warn_all" >&6; }
@@ -6675,8 +6773,9 @@ then :
   test $ac_status = 0; }
      as_fn_append CXXFLAGS " $ac_cv_cxxflags_warn_all" ;;
 esac
-else $as_nop
-  CXXFLAGS="$ac_cv_cxxflags_warn_all"
+else case e in #(
+  e) CXXFLAGS="$ac_cv_cxxflags_warn_all" ;;
+esac
 fi
  ;;
 esac
@@ -6697,8 +6796,8 @@ printf %s "checking for grep that handles long lines and -e... " >&6; }
 if test ${ac_cv_path_GREP+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -z "$GREP"; then
+else case e in #(
+  e) if test -z "$GREP"; then
   ac_path_GREP_found=false
   # Loop through the user's path and test for each of PROGNAME-LIST
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -6754,7 +6853,8 @@ IFS=$as_save_IFS
 else
   ac_cv_path_GREP=$GREP
 fi
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
 printf "%s\n" "$ac_cv_path_GREP" >&6; }
@@ -6775,8 +6875,8 @@ printf %s "checking CXXFLAGS for gcc -fdiagnostics-show-caret... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__fdiagnostics_show_caret+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__fdiagnostics_show_caret="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__fdiagnostics_show_caret="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -6811,7 +6911,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__fdiagnostics_show_caret" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__fdiagnostics_show_caret" >&6; }
@@ -6841,8 +6942,8 @@ printf %s "checking CXXFLAGS for gcc -ftrack-macro-expansion... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__ftrack_macro_expansion+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__ftrack_macro_expansion="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__ftrack_macro_expansion="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -6877,7 +6978,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__ftrack_macro_expansion" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__ftrack_macro_expansion" >&6; }
@@ -6909,8 +7011,8 @@ printf %s "checking CXXFLAGS for gcc -fdiagnostics-color=auto... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__fdiagnostics_color_auto+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__fdiagnostics_color_auto="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__fdiagnostics_color_auto="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -6945,7 +7047,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__fdiagnostics_color_auto" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__fdiagnostics_color_auto" >&6; }
@@ -6978,8 +7081,8 @@ printf %s "checking CXXFLAGS for gcc -Wextra... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__Wextra+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__Wextra="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__Wextra="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -7014,7 +7117,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__Wextra" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__Wextra" >&6; }
@@ -7044,8 +7148,8 @@ printf %s "checking CXXFLAGS for gcc -pedantic... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__pedantic+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__pedantic="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__pedantic="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -7080,7 +7184,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__pedantic" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__pedantic" >&6; }
@@ -7110,8 +7215,8 @@ printf %s "checking CXXFLAGS for gcc -Wstrict-aliasing... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__Wstrict_aliasing+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__Wstrict_aliasing="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__Wstrict_aliasing="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -7146,7 +7251,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__Wstrict_aliasing" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__Wstrict_aliasing" >&6; }
@@ -7176,8 +7282,8 @@ printf %s "checking CXXFLAGS for gcc -Wstrict-overflow... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__Wstrict_overflow+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__Wstrict_overflow="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__Wstrict_overflow="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -7212,7 +7318,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__Wstrict_overflow" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__Wstrict_overflow" >&6; }
@@ -7242,8 +7349,8 @@ printf %s "checking CXXFLAGS for gcc -Woverloaded-virtual... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__Woverloaded_virtual+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__Woverloaded_virtual="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__Woverloaded_virtual="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -7278,7 +7385,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__Woverloaded_virtual" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__Woverloaded_virtual" >&6; }
@@ -7312,8 +7420,8 @@ printf %s "checking CXXFLAGS for gcc -Wold-style-cast... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__Wold_style_cast+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__Wold_style_cast="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__Wold_style_cast="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -7348,7 +7456,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__Wold_style_cast" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__Wold_style_cast" >&6; }
@@ -7379,8 +7488,8 @@ printf %s "checking CXXFLAGS for gcc -Wc++14-compat... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__Wcpp14_compat+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__Wcpp14_compat="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__Wcpp14_compat="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -7415,7 +7524,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__Wcpp14_compat" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__Wcpp14_compat" >&6; }
@@ -7445,8 +7555,8 @@ printf %s "checking CXXFLAGS for gcc -Wc++17-compat... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__Wcpp17_compat+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__Wcpp17_compat="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__Wcpp17_compat="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -7481,7 +7591,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__Wcpp17_compat" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__Wcpp17_compat" >&6; }
@@ -7511,8 +7622,8 @@ printf %s "checking CXXFLAGS for gcc -Wc++20-compat... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__Wcpp20_compat+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__Wcpp20_compat="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__Wcpp20_compat="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -7547,7 +7658,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__Wcpp20_compat" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__Wcpp20_compat" >&6; }
@@ -7577,8 +7689,8 @@ printf %s "checking CXXFLAGS for gcc -Wundef... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__Wundef+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__Wundef="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__Wundef="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -7613,7 +7725,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__Wundef" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__Wundef" >&6; }
@@ -7643,8 +7756,8 @@ printf %s "checking CXXFLAGS for gcc -Wshadow... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__Wshadow+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__Wshadow="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__Wshadow="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -7679,7 +7792,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__Wshadow" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__Wshadow" >&6; }
@@ -7709,8 +7823,8 @@ printf %s "checking CXXFLAGS for gcc -Wformat... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__Wformat+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__Wformat="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__Wformat="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -7745,7 +7859,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__Wformat" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__Wformat" >&6; }
@@ -7775,8 +7890,8 @@ printf %s "checking CXXFLAGS for gcc -Wnoexcept... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__Wnoexcept+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__Wnoexcept="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__Wnoexcept="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -7811,7 +7926,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__Wnoexcept" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__Wnoexcept" >&6; }
@@ -7841,8 +7957,8 @@ printf %s "checking CXXFLAGS for gcc -Wsuggest-attribute=format... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__Wsuggest_attribute_format+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__Wsuggest_attribute_format="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__Wsuggest_attribute_format="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -7877,7 +7993,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__Wsuggest_attribute_format" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__Wsuggest_attribute_format" >&6; }
@@ -7907,8 +8024,8 @@ printf %s "checking CXXFLAGS for gcc -Wsuggest-attribute=noreturn... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__Wsuggest_attribute_noreturn+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__Wsuggest_attribute_noreturn="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__Wsuggest_attribute_noreturn="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -7943,7 +8060,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__Wsuggest_attribute_noreturn" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__Wsuggest_attribute_noreturn" >&6; }
@@ -7973,8 +8091,8 @@ printf %s "checking CXXFLAGS for gcc -Wno-variadic-macros... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__Wno_variadic_macros+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__Wno_variadic_macros="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__Wno_variadic_macros="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -8009,7 +8127,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__Wno_variadic_macros" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__Wno_variadic_macros" >&6; }
@@ -8043,8 +8162,8 @@ printf %s "checking CXXFLAGS for gcc -g3... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__g3+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__g3="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__g3="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -8079,8 +8198,9 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
-fi
+ ;;
+esac
+fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__g3" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__g3" >&6; }
 var=$ax_cv_cxxflags_gcc_option__g3
@@ -8113,8 +8233,8 @@ printf %s "checking CXXFLAGS for gcc -fstack-check... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__fstack_check+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__fstack_check="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__fstack_check="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -8149,7 +8269,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__fstack_check" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__fstack_check" >&6; }
@@ -8179,8 +8300,8 @@ printf %s "checking CXXFLAGS for gcc -fstack-protector... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__fstack_protector+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__fstack_protector="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__fstack_protector="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -8215,7 +8336,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__fstack_protector" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__fstack_protector" >&6; }
@@ -8246,8 +8368,8 @@ printf %s "checking CXXFLAGS for gcc -fsanitize=address... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__fsanitize_address+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__fsanitize_address="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__fsanitize_address="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -8282,7 +8404,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__fsanitize_address" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__fsanitize_address" >&6; }
@@ -8312,8 +8435,8 @@ printf %s "checking CXXFLAGS for gcc -fsanitize=undefined... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__fsanitize_undefined+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__fsanitize_undefined="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__fsanitize_undefined="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -8348,7 +8471,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__fsanitize_undefined" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__fsanitize_undefined" >&6; }
@@ -8378,8 +8502,8 @@ printf %s "checking CXXFLAGS for gcc -ftrapv... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__ftrapv+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__ftrapv="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__ftrapv="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -8414,7 +8538,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__ftrapv" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__ftrapv" >&6; }
@@ -8443,14 +8568,14 @@ esac
    if log4cplus_grep_cxxflags_for_optimization
 then :
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking CXXFLAGS for gcc -Og" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking CXXFLAGS for gcc -Og" >&5
 printf %s "checking CXXFLAGS for gcc -Og... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__Og+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__Og="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__Og="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -8485,7 +8610,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__Og" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__Og" >&6; }
@@ -8509,20 +8635,21 @@ case ".$var" in
    fi
  ;;
 esac
-
+ ;;
+esac
 fi
 
    if log4cplus_grep_cxxflags_for_optimization
 then :
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking CXXFLAGS for gcc -O1" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking CXXFLAGS for gcc -O1" >&5
 printf %s "checking CXXFLAGS for gcc -O1... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__O1+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__O1="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__O1="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -8557,7 +8684,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__O1" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__O1" >&6; }
@@ -8581,21 +8709,22 @@ case ".$var" in
    fi
  ;;
 esac
-
+ ;;
+esac
 fi
-else $as_nop
-
+else case e in #(
+  e)
    if log4cplus_grep_cxxflags_for_optimization
 then :
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking CXXFLAGS for gcc -O2" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking CXXFLAGS for gcc -O2" >&5
 printf %s "checking CXXFLAGS for gcc -O2... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__O2+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__O2="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__O2="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -8630,7 +8759,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__O2" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__O2" >&6; }
@@ -8654,8 +8784,10 @@ case ".$var" in
    fi
  ;;
 esac
-
-fi
+ ;;
+esac
+fi ;;
+esac
 fi
 
       if test "x$enable_profiling" = "xyes"
@@ -8665,8 +8797,8 @@ printf %s "checking CXXFLAGS for gcc -pg... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__pg+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__pg="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__pg="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -8701,7 +8833,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__pg" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__pg" >&6; }
@@ -8721,8 +8854,8 @@ printf %s "checking CXXFLAGS for gcc -g3... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__g3+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__g3="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__g3="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -8757,7 +8890,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__g3" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__g3" >&6; }
@@ -8792,8 +8926,8 @@ printf %s "checking CXXFLAGS for gcc -flto... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__flto+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__flto="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__flto="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -8828,7 +8962,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__flto" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__flto" >&6; }
@@ -8860,8 +8995,8 @@ printf %s "checking CXXFLAGS for sun/cc +w... " >&6; }
 if test ${ax_cv_cxxflags_sun_option_pw+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_sun_option_pw="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_sun_option_pw="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -8896,7 +9031,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_sun_option_pw" >&5
 printf "%s\n" "$ax_cv_cxxflags_sun_option_pw" >&6; }
@@ -8930,8 +9066,8 @@ printf %s "checking CXXFLAGS for sun/cc -g... " >&6; }
 if test ${ax_cv_cxxflags_sun_option__g+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_sun_option__g="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_sun_option__g="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -8966,7 +9102,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_sun_option__g" >&5
 printf "%s\n" "$ax_cv_cxxflags_sun_option__g" >&6; }
@@ -9000,8 +9137,8 @@ printf %s "checking CXXFLAGS for sun/cc -pg... " >&6; }
 if test ${ax_cv_cxxflags_sun_option__pg+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_sun_option__pg="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_sun_option__pg="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -9036,7 +9173,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_sun_option__pg" >&5
 printf "%s\n" "$ax_cv_cxxflags_sun_option__pg" >&6; }
@@ -9056,8 +9194,8 @@ printf %s "checking CXXFLAGS for sun/cc -g... " >&6; }
 if test ${ax_cv_cxxflags_sun_option__g+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_sun_option__g="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_sun_option__g="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -9092,7 +9230,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_sun_option__g" >&5
 printf "%s\n" "$ax_cv_cxxflags_sun_option__g" >&6; }
@@ -9124,8 +9263,8 @@ printf %s "checking CXXFLAGS for sun/cc -features=zla... " >&6; }
 if test ${ax_cv_cxxflags_sun_option__features_zla+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_sun_option__features_zla="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_sun_option__features_zla="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -9160,7 +9299,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_sun_option__features_zla" >&5
 printf "%s\n" "$ax_cv_cxxflags_sun_option__features_zla" >&6; }
@@ -9192,14 +9332,14 @@ esac
    if printf %s "$CXXFLAGS"           | $GREP -e '-library=\(stlport4\|stdcxx4\|Cstd\)' >/dev/null
 then :
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking CXXFLAGS for sun/cc -library=stlport4" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking CXXFLAGS for sun/cc -library=stlport4" >&5
 printf %s "checking CXXFLAGS for sun/cc -library=stlport4... " >&6; }
 if test ${ax_cv_cxxflags_sun_option__library_stlport4+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_sun_option__library_stlport4="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_sun_option__library_stlport4="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -9234,7 +9374,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_sun_option__library_stlport4" >&5
 printf "%s\n" "$ax_cv_cxxflags_sun_option__library_stlport4" >&6; }
@@ -9258,7 +9399,8 @@ case ".$var" in
    fi
  ;;
 esac
-
+ ;;
+esac
 fi
 
       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking CXXFLAGS for sun/cc -library=Crun" >&5
@@ -9266,8 +9408,8 @@ printf %s "checking CXXFLAGS for sun/cc -library=Crun... " >&6; }
 if test ${ax_cv_cxxflags_sun_option__library_Crun+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_sun_option__library_Crun="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_sun_option__library_Crun="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -9302,7 +9444,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_sun_option__library_Crun" >&5
 printf "%s\n" "$ax_cv_cxxflags_sun_option__library_Crun" >&6; }
@@ -9348,8 +9491,8 @@ printf %s "checking for __global and __hidden... " >&6; }
 if test ${ac_cv__global+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-
+else case e in #(
+  e)
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -9371,11 +9514,13 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ac_cv__global=yes
-else $as_nop
-  ac_cv__global=no
+else case e in #(
+  e) ac_cv__global=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv__global" >&5
 printf "%s\n" "$ac_cv__global" >&6; }
@@ -9400,8 +9545,8 @@ printf %s "checking for __declspec(dllexport) and __declspec(dllimport)... " >&6
 if test ${ac_cv_declspec+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-
+else case e in #(
+  e)
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -9430,11 +9575,13 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ac_cv_declspec=yes
-else $as_nop
-  ac_cv_declspec=no
+else case e in #(
+  e) ac_cv_declspec=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_declspec" >&5
 printf "%s\n" "$ac_cv_declspec" >&6; }
@@ -9461,8 +9608,8 @@ printf %s "checking for __attribute__((visibility(\"default\"))) and __attribute
 if test ${ac_cv__attribute__visibility+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-
+else case e in #(
+  e)
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -9489,11 +9636,13 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ac_cv__attribute__visibility=yes
-else $as_nop
-  ac_cv__attribute__visibility=no
+else case e in #(
+  e) ac_cv__attribute__visibility=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv__attribute__visibility" >&5
 printf "%s\n" "$ac_cv__attribute__visibility" >&6; }
@@ -9534,8 +9683,8 @@ printf %s "checking CXXFLAGS for gcc -fvisibility=hidden... " >&6; }
 if test ${ax_cv_cxxflags_gcc_option__fvisibility_hidden+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_gcc_option__fvisibility_hidden="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_gcc_option__fvisibility_hidden="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -9570,7 +9719,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_gcc_option__fvisibility_hidden" >&5
 printf "%s\n" "$ax_cv_cxxflags_gcc_option__fvisibility_hidden" >&6; }
@@ -9602,8 +9752,8 @@ printf %s "checking CXXFLAGS for sun/cc -xldscope=hidden... " >&6; }
 if test ${ax_cv_cxxflags_sun_option__xldscope_hidden+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_sun_option__xldscope_hidden="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_sun_option__xldscope_hidden="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -9638,7 +9788,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_sun_option__xldscope_hidden" >&5
 printf "%s\n" "$ax_cv_cxxflags_sun_option__xldscope_hidden" >&6; }
@@ -9666,8 +9817,9 @@ esac
   *) :
     use_export_symbols_regex=yes ;;
 esac
-else $as_nop
-  use_export_symbols_regex=yes
+else case e in #(
+  e) use_export_symbols_regex=yes ;;
+esac
 fi
 fi
  if test "x$use_export_symbols_regex" = "xyes"; then
@@ -9687,8 +9839,8 @@ printf %s "checking for __FUNCTION__ macro... " >&6; }
 if test ${ac_cv_have___function___macro+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-
+else case e in #(
+  e)
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -9706,11 +9858,13 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ac_cv_have___function___macro=yes
-else $as_nop
-  ac_cv_have___function___macro=no
+else case e in #(
+  e) ac_cv_have___function___macro=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___function___macro" >&5
 printf "%s\n" "$ac_cv_have___function___macro" >&6; }
@@ -9729,8 +9883,8 @@ printf %s "checking for __PRETTY_FUNCTION__ macro... " >&6; }
 if test ${ac_cv_have___pretty_function___macro+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-
+else case e in #(
+  e)
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -9748,11 +9902,13 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ac_cv_have___pretty_function___macro=yes
-else $as_nop
-  ac_cv_have___pretty_function___macro=no
+else case e in #(
+  e) ac_cv_have___pretty_function___macro=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___pretty_function___macro" >&5
 printf "%s\n" "$ac_cv_have___pretty_function___macro" >&6; }
@@ -9771,8 +9927,8 @@ printf %s "checking for __func__ symbol... " >&6; }
 if test ${ac_cv_have___func___symbol+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-
+else case e in #(
+  e)
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -9790,12 +9946,14 @@ _ACEOF
 if ac_fn_cxx_try_link "$LINENO"
 then :
   ac_cv_have___func___symbol=yes
-else $as_nop
-  ac_cv_have___func___symbol=no
+else case e in #(
+  e) ac_cv_have___func___symbol=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have___func___symbol" >&5
 printf "%s\n" "$ac_cv_have___func___symbol" >&6; }
@@ -9814,8 +9972,8 @@ printf %s "checking for __attribute__((constructor_priority))... " >&6; }
 if test ${ax_cv_have_func_attribute_constructor_priority+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-
+else case e in #(
+  e)
         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -9836,15 +9994,18 @@ then :
                                       if test -s conftest.err
 then :
   ax_cv_have_func_attribute_constructor_priority=no
-else $as_nop
-  ax_cv_have_func_attribute_constructor_priority=yes
+else case e in #(
+  e) ax_cv_have_func_attribute_constructor_priority=yes ;;
+esac
 fi
-else $as_nop
-  ax_cv_have_func_attribute_constructor_priority=no
+else case e in #(
+  e) ax_cv_have_func_attribute_constructor_priority=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-
+     ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_have_func_attribute_constructor_priority" >&5
 printf "%s\n" "$ax_cv_have_func_attribute_constructor_priority" >&6; }
@@ -9872,8 +10033,8 @@ printf %s "checking for __attribute__((constructor))... " >&6; }
 if test ${ax_cv_have_func_attribute_constructor+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-
+else case e in #(
+  e)
         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -9894,15 +10055,18 @@ then :
                                       if test -s conftest.err
 then :
   ax_cv_have_func_attribute_constructor=no
-else $as_nop
-  ax_cv_have_func_attribute_constructor=yes
+else case e in #(
+  e) ax_cv_have_func_attribute_constructor=yes ;;
+esac
 fi
-else $as_nop
-  ax_cv_have_func_attribute_constructor=no
+else case e in #(
+  e) ax_cv_have_func_attribute_constructor=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-
+     ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_have_func_attribute_constructor" >&5
 printf "%s\n" "$ax_cv_have_func_attribute_constructor" >&6; }
@@ -9930,8 +10094,8 @@ printf %s "checking for __attribute__((init_priority))... " >&6; }
 if test ${ax_cv_have_var_attribute_init_priority+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-
+else case e in #(
+  e)
         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -9957,15 +10121,18 @@ then :
                                       if test -s conftest.err
 then :
   ax_cv_have_var_attribute_init_priority=no
-else $as_nop
-  ax_cv_have_var_attribute_init_priority=yes
+else case e in #(
+  e) ax_cv_have_var_attribute_init_priority=yes ;;
+esac
 fi
-else $as_nop
-  ax_cv_have_var_attribute_init_priority=no
+else case e in #(
+  e) ax_cv_have_var_attribute_init_priority=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-
+     ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_have_var_attribute_init_priority" >&5
 printf "%s\n" "$ax_cv_have_var_attribute_init_priority" >&6; }
@@ -9997,15 +10164,21 @@ printf %s "checking for library containing __atomic_fetch_and_4... " >&6; }
 if test ${ac_cv_search___atomic_fetch_and_4+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_func_search_save_LIBS=$LIBS
+else case e in #(
+  e) ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char __atomic_fetch_and_4 ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char __atomic_fetch_and_4 (void);
 int
 main (void)
 {
@@ -10036,11 +10209,13 @@ done
 if test ${ac_cv_search___atomic_fetch_and_4+y}
 then :
 
-else $as_nop
-  ac_cv_search___atomic_fetch_and_4=no
+else case e in #(
+  e) ac_cv_search___atomic_fetch_and_4=no ;;
+esac
 fi
 rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
+LIBS=$ac_func_search_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search___atomic_fetch_and_4" >&5
 printf "%s\n" "$ac_cv_search___atomic_fetch_and_4" >&6; }
@@ -10056,15 +10231,21 @@ printf %s "checking for library containing strerror... " >&6; }
 if test ${ac_cv_search_strerror+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_func_search_save_LIBS=$LIBS
+else case e in #(
+  e) ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char strerror ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char strerror (void);
 int
 main (void)
 {
@@ -10095,11 +10276,13 @@ done
 if test ${ac_cv_search_strerror+y}
 then :
 
-else $as_nop
-  ac_cv_search_strerror=no
+else case e in #(
+  e) ac_cv_search_strerror=no ;;
+esac
 fi
 rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
+LIBS=$ac_func_search_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_strerror" >&5
 printf "%s\n" "$ac_cv_search_strerror" >&6; }
@@ -10115,15 +10298,21 @@ printf %s "checking for library containing gethostbyname... " >&6; }
 if test ${ac_cv_search_gethostbyname+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_func_search_save_LIBS=$LIBS
+else case e in #(
+  e) ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char gethostbyname ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char gethostbyname (void);
 int
 main (void)
 {
@@ -10154,11 +10343,13 @@ done
 if test ${ac_cv_search_gethostbyname+y}
 then :
 
-else $as_nop
-  ac_cv_search_gethostbyname=no
+else case e in #(
+  e) ac_cv_search_gethostbyname=no ;;
+esac
 fi
 rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
+LIBS=$ac_func_search_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_gethostbyname" >&5
 printf "%s\n" "$ac_cv_search_gethostbyname" >&6; }
@@ -10174,15 +10365,21 @@ printf %s "checking for library containing setsockopt... " >&6; }
 if test ${ac_cv_search_setsockopt+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_func_search_save_LIBS=$LIBS
+else case e in #(
+  e) ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char setsockopt ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char setsockopt (void);
 int
 main (void)
 {
@@ -10213,11 +10410,13 @@ done
 if test ${ac_cv_search_setsockopt+y}
 then :
 
-else $as_nop
-  ac_cv_search_setsockopt=no
+else case e in #(
+  e) ac_cv_search_setsockopt=no ;;
+esac
 fi
 rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
+LIBS=$ac_func_search_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_setsockopt" >&5
 printf "%s\n" "$ac_cv_search_setsockopt" >&6; }
@@ -10235,15 +10434,21 @@ printf %s "checking for library containing iconv_open... " >&6; }
 if test ${ac_cv_search_iconv_open+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_func_search_save_LIBS=$LIBS
+else case e in #(
+  e) ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char iconv_open ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char iconv_open (void);
 int
 main (void)
 {
@@ -10274,11 +10479,13 @@ done
 if test ${ac_cv_search_iconv_open+y}
 then :
 
-else $as_nop
-  ac_cv_search_iconv_open=no
+else case e in #(
+  e) ac_cv_search_iconv_open=no ;;
+esac
 fi
 rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
+LIBS=$ac_func_search_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_iconv_open" >&5
 printf "%s\n" "$ac_cv_search_iconv_open" >&6; }
@@ -10287,21 +10494,27 @@ if test "$ac_res" != no
 then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing libiconv_open" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing libiconv_open" >&5
 printf %s "checking for library containing libiconv_open... " >&6; }
 if test ${ac_cv_search_libiconv_open+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_func_search_save_LIBS=$LIBS
+else case e in #(
+  e) ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char libiconv_open ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char libiconv_open (void);
 int
 main (void)
 {
@@ -10332,11 +10545,13 @@ done
 if test ${ac_cv_search_libiconv_open+y}
 then :
 
-else $as_nop
-  ac_cv_search_libiconv_open=no
+else case e in #(
+  e) ac_cv_search_libiconv_open=no ;;
+esac
 fi
 rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
+LIBS=$ac_func_search_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_libiconv_open" >&5
 printf "%s\n" "$ac_cv_search_libiconv_open" >&6; }
@@ -10346,7 +10561,8 @@ then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
-
+ ;;
+esac
 fi
 
 fi
@@ -10372,8 +10588,8 @@ printf %s "checking for main in -lkernel32... " >&6; }
 if test ${ac_cv_lib_kernel32_main+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lkernel32  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -10390,12 +10606,14 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_kernel32_main=yes
-else $as_nop
-  ac_cv_lib_kernel32_main=no
+else case e in #(
+  e) ac_cv_lib_kernel32_main=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_kernel32_main" >&5
 printf "%s\n" "$ac_cv_lib_kernel32_main" >&6; }
@@ -10412,8 +10630,8 @@ printf %s "checking for main in -ladvapi32... " >&6; }
 if test ${ac_cv_lib_advapi32_main+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-ladvapi32  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -10430,12 +10648,14 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_advapi32_main=yes
-else $as_nop
-  ac_cv_lib_advapi32_main=no
+else case e in #(
+  e) ac_cv_lib_advapi32_main=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_advapi32_main" >&5
 printf "%s\n" "$ac_cv_lib_advapi32_main" >&6; }
@@ -10452,8 +10672,8 @@ printf %s "checking for main in -lws2_32... " >&6; }
 if test ${ac_cv_lib_ws2_32_main+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lws2_32  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -10470,12 +10690,14 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_ws2_32_main=yes
-else $as_nop
-  ac_cv_lib_ws2_32_main=no
+else case e in #(
+  e) ac_cv_lib_ws2_32_main=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ws2_32_main" >&5
 printf "%s\n" "$ac_cv_lib_ws2_32_main" >&6; }
@@ -10492,8 +10714,8 @@ printf %s "checking for main in -loleaut32... " >&6; }
 if test ${ac_cv_lib_oleaut32_main+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-loleaut32  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -10510,12 +10732,14 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_oleaut32_main=yes
-else $as_nop
-  ac_cv_lib_oleaut32_main=no
+else case e in #(
+  e) ac_cv_lib_oleaut32_main=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_oleaut32_main" >&5
 printf "%s\n" "$ac_cv_lib_oleaut32_main" >&6; }
@@ -10546,8 +10770,8 @@ printf %s "checking for main in -lkernel32... " >&6; }
 if test ${ac_cv_lib_kernel32_main+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lkernel32  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -10564,12 +10788,14 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_kernel32_main=yes
-else $as_nop
-  ac_cv_lib_kernel32_main=no
+else case e in #(
+  e) ac_cv_lib_kernel32_main=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_kernel32_main" >&5
 printf "%s\n" "$ac_cv_lib_kernel32_main" >&6; }
@@ -10586,8 +10812,8 @@ printf %s "checking for main in -loleaut32... " >&6; }
 if test ${ac_cv_lib_oleaut32_main+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-loleaut32  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -10604,12 +10830,14 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_oleaut32_main=yes
-else $as_nop
-  ac_cv_lib_oleaut32_main=no
+else case e in #(
+  e) ac_cv_lib_oleaut32_main=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_oleaut32_main" >&5
 printf "%s\n" "$ac_cv_lib_oleaut32_main" >&6; }
@@ -10666,8 +10894,8 @@ printf %s "checking for egrep... " >&6; }
 if test ${ac_cv_path_EGREP+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+else case e in #(
+  e) if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
    then ac_cv_path_EGREP="$GREP -E"
    else
      if test -z "$EGREP"; then
@@ -10727,7 +10955,8 @@ else
   ac_cv_path_EGREP=$EGREP
 fi
 
-   fi
+   fi ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
 printf "%s\n" "$ac_cv_path_EGREP" >&6; }
@@ -10929,8 +11158,8 @@ printf %s "checking for socklen_t... " >&6; }
 if test ${ac_cv_ax_type_socklen_t+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-
+else case e in #(
+  e)
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -10948,11 +11177,13 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ac_cv_ax_type_socklen_t=yes
-else $as_nop
-  ac_cv_ax_type_socklen_t=no
+else case e in #(
+  e) ac_cv_ax_type_socklen_t=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_ax_type_socklen_t" >&5
 printf "%s\n" "$ac_cv_ax_type_socklen_t" >&6; }
@@ -10970,8 +11201,9 @@ if test ${enable_threads+y}
 then :
   enableval=$enable_threads;
    log4cplus_check_yesno_func "${enableval}" "--enable-threads"
-else $as_nop
-  enable_threads=yes
+else case e in #(
+  e) enable_threads=yes ;;
+esac
 fi
 
 ENABLE_THREADS=$enable_threads
@@ -11132,8 +11364,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ax_pthread_config+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ax_pthread_config"; then
+else case e in #(
+  e) if test -n "$ax_pthread_config"; then
   ac_cv_prog_ax_pthread_config="$ax_pthread_config" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -11156,7 +11388,8 @@ done
 IFS=$as_save_IFS
 
   test -z "$ac_cv_prog_ax_pthread_config" && ac_cv_prog_ax_pthread_config="no"
-fi
+fi ;;
+esac
 fi
 ax_pthread_config=$ac_cv_prog_ax_pthread_config
 if test -n "$ax_pthread_config"; then
@@ -11290,8 +11523,9 @@ printf %s "checking if more special flags are required for pthreads... " >&6; }
     if test "$GCC" = "yes"
 then :
   flag="-D_REENTRANT"
-else $as_nop
-  flag="-mt -D_REENTRANT"
+else case e in #(
+  e) flag="-mt -D_REENTRANT" ;;
+esac
 fi ;; #(
   *) :
      ;;
@@ -11309,8 +11543,8 @@ printf %s "checking for PTHREAD_PRIO_INHERIT... " >&6; }
 if test ${ax_cv_PTHREAD_PRIO_INHERIT+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-
+else case e in #(
+  e)
                 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -11327,11 +11561,13 @@ _ACEOF
 if ac_fn_cxx_try_link "$LINENO"
 then :
   ax_cv_PTHREAD_PRIO_INHERIT=yes
-else $as_nop
-  ax_cv_PTHREAD_PRIO_INHERIT=no
+else case e in #(
+  e) ax_cv_PTHREAD_PRIO_INHERIT=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
-    conftest$ac_exeext conftest.$ac_ext
+    conftest$ac_exeext conftest.$ac_ext ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_PRIO_INHERIT" >&5
 printf "%s\n" "$ax_cv_PTHREAD_PRIO_INHERIT" >&6; }
@@ -11356,9 +11592,10 @@ then :
 
 printf "%s\n" "#define HAVE_PTHREAD 1" >>confdefs.h
 
-else $as_nop
-  ax_pthread_ok=no
-      as_fn_error $? "Requested threads support but no threads were found." "$LINENO" 5
+else case e in #(
+  e) ax_pthread_ok=no
+      as_fn_error $? "Requested threads support but no threads were found." "$LINENO" 5 ;;
+esac
 fi
 
   ac_ext=cpp
@@ -11383,15 +11620,21 @@ printf %s "checking for library containing sem_init... " >&6; }
 if test ${ac_cv_search_sem_init+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_func_search_save_LIBS=$LIBS
+else case e in #(
+  e) ac_func_search_save_LIBS=$LIBS
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char sem_init ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char sem_init (void);
 int
 main (void)
 {
@@ -11422,11 +11665,13 @@ done
 if test ${ac_cv_search_sem_init+y}
 then :
 
-else $as_nop
-  ac_cv_search_sem_init=no
+else case e in #(
+  e) ac_cv_search_sem_init=no ;;
+esac
 fi
 rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
+LIBS=$ac_func_search_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_sem_init" >&5
 printf "%s\n" "$ac_cv_search_sem_init" >&6; }
@@ -11453,8 +11698,8 @@ printf %s "checking CXXFLAGS for sun/cc -xthreadvar... " >&6; }
 if test ${ax_cv_cxxflags_sun_option__xthreadvar+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_sun_option__xthreadvar="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_sun_option__xthreadvar="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -11489,7 +11734,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_sun_option__xthreadvar" >&5
 printf "%s\n" "$ax_cv_cxxflags_sun_option__xthreadvar" >&6; }
@@ -11520,8 +11766,8 @@ printf %s "checking CXXFLAGS for aix/cc -qtls... " >&6; }
 if test ${ax_cv_cxxflags_aix_option__qtls+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ax_cv_cxxflags_aix_option__qtls="no, unknown"
+else case e in #(
+  e) ax_cv_cxxflags_aix_option__qtls="no, unknown"
  ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -11556,7 +11802,8 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxxflags_aix_option__qtls" >&5
 printf "%s\n" "$ax_cv_cxxflags_aix_option__qtls" >&6; }
@@ -11598,8 +11845,8 @@ printf %s "checking for thread_local... " >&6; }
 if test ${ac_cv_thread_local+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-
+else case e in #(
+  e)
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -11627,12 +11874,14 @@ if ac_fn_cxx_try_link "$LINENO"
 then :
   ac_cv_thread_local=yes
      ax_tls_support=yes
-else $as_nop
-  ac_cv_thread_local=no
+else case e in #(
+  e) ac_cv_thread_local=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_thread_local" >&5
 printf "%s\n" "$ac_cv_thread_local" >&6; }
@@ -11653,8 +11902,8 @@ printf %s "checking for __thread... " >&6; }
 if test ${ac_cv__thread_keyword+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-
+else case e in #(
+  e)
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #if defined (__NetBSD__)
@@ -11689,12 +11938,14 @@ if ac_fn_cxx_try_link "$LINENO"
 then :
   ac_cv__thread_keyword=yes
      ax_tls_support=yes
-else $as_nop
-  ac_cv__thread_keyword=no
+else case e in #(
+  e) ac_cv__thread_keyword=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv__thread_keyword" >&5
 printf "%s\n" "$ac_cv__thread_keyword" >&6; }
@@ -11717,8 +11968,8 @@ printf %s "checking for __declspec(thread)... " >&6; }
 if test ${ac_cv_declspec_thread+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-
+else case e in #(
+  e)
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -11751,11 +12002,13 @@ if ac_fn_cxx_try_link "$LINENO"
 then :
   ac_cv_declspec_thread=yes
      ax_tls_support=yes
-else $as_nop
-  ac_cv_declspec_thread=no
+else case e in #(
+  e) ac_cv_declspec_thread=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
-    conftest$ac_exeext conftest.$ac_ext
+    conftest$ac_exeext conftest.$ac_ext ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_declspec_thread" >&5
 printf "%s\n" "$ac_cv_declspec_thread" >&6; }
@@ -11780,29 +12033,32 @@ then :
 
       printf "%s\n" "#define LOG4CPLUS_THREAD_LOCAL_VAR thread_local" >>confdefs.h
 
-else $as_nop
-  if test "x$ac_cv_declspec_thread" = "xyes"
+else case e in #(
+  e) if test "x$ac_cv_declspec_thread" = "xyes"
 then :
   printf "%s\n" "#define LOG4CPLUS_HAVE_TLS_SUPPORT 1" >>confdefs.h
 
          printf "%s\n" "#define LOG4CPLUS_THREAD_LOCAL_VAR __declspec(thread)" >>confdefs.h
 
-else $as_nop
-  if test "x$ac_cv__thread_keyword" = "xyes"
+else case e in #(
+  e) if test "x$ac_cv__thread_keyword" = "xyes"
 then :
   printf "%s\n" "#define LOG4CPLUS_HAVE_TLS_SUPPORT 1" >>confdefs.h
 
             printf "%s\n" "#define LOG4CPLUS_THREAD_LOCAL_VAR __thread" >>confdefs.h
 
+fi ;;
+esac
+fi ;;
+esac
 fi
-fi
-fi
-else $as_nop
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Creating a single-threaded library" >&5
+else case e in #(
+  e)   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Creating a single-threaded library" >&5
 printf "%s\n" "$as_me: Creating a single-threaded library" >&6;}
 
 printf "%s\n" "#define LOG4CPLUS_SINGLE_THREADED 1" >>confdefs.h
-
+ ;;
+esac
 fi
 
  if test "x$enable_threads" = "xyes"; then
@@ -12303,8 +12559,8 @@ printf %s "checking for ENAMETOOLONG... " >&6; }
 if test ${ax_cv_have_enametoolong+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <errno.h>
 int
@@ -12318,10 +12574,12 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ax_cv_have_enametoolong=yes
-else $as_nop
-  ax_cv_have_enametoolong=no
+else case e in #(
+  e) ax_cv_have_enametoolong=no ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_have_enametoolong" >&5
 printf "%s\n" "$ax_cv_have_enametoolong" >&6; }
@@ -12338,8 +12596,8 @@ printf %s "checking for getaddrinfo... " >&6; }
 if test ${ax_cv_have_getaddrinfo+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #ifdef __cplusplus
@@ -12365,10 +12623,12 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ax_cv_have_getaddrinfo=yes
-else $as_nop
-  ax_cv_have_getaddrinfo=no
+else case e in #(
+  e) ax_cv_have_getaddrinfo=no ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_have_getaddrinfo" >&5
 printf "%s\n" "$ax_cv_have_getaddrinfo" >&6; }
@@ -12392,8 +12652,8 @@ printf %s "checking for gethostbyname_r... " >&6; }
 if test ${ax_cv_have_gethostbyname_r+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #ifdef __cplusplus
@@ -12419,10 +12679,12 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ax_cv_have_gethostbyname_r=yes
-else $as_nop
-  ax_cv_have_gethostbyname_r=no
+else case e in #(
+  e) ax_cv_have_gethostbyname_r=no ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_have_gethostbyname_r" >&5
 printf "%s\n" "$ax_cv_have_gethostbyname_r" >&6; }
@@ -12444,8 +12706,8 @@ printf %s "checking for gettid... " >&6; }
 if test ${ax_cv_have_gettid+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
 #include <sys/syscall.h>
@@ -12461,10 +12723,12 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ax_cv_have_gettid=yes
-else $as_nop
-  ax_cv_have_gettid=no
+else case e in #(
+  e) ax_cv_have_gettid=no ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_have_gettid" >&5
 printf "%s\n" "$ax_cv_have_gettid" >&6; }
@@ -12491,8 +12755,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_path_PKG_CONFIG+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  case $PKG_CONFIG in
+else case e in #(
+  e) case $PKG_CONFIG in
   [\\/]* | ?:[\\/]*)
   ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
   ;;
@@ -12517,6 +12781,7 @@ done
 IFS=$as_save_IFS
 
   ;;
+esac ;;
 esac
 fi
 PKG_CONFIG=$ac_cv_path_PKG_CONFIG
@@ -12539,8 +12804,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_path_ac_pt_PKG_CONFIG+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  case $ac_pt_PKG_CONFIG in
+else case e in #(
+  e) case $ac_pt_PKG_CONFIG in
   [\\/]* | ?:[\\/]*)
   ac_cv_path_ac_pt_PKG_CONFIG="$ac_pt_PKG_CONFIG" # Let the user override the test with a path.
   ;;
@@ -12565,6 +12830,7 @@ done
 IFS=$as_save_IFS
 
   ;;
+esac ;;
 esac
 fi
 ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG
@@ -12612,8 +12878,9 @@ if test ${with_qt+y}
 then :
   withval=$with_qt;
    log4cplus_check_yesno_func "${withval}" "--with-qt"
-else $as_nop
-  with_qt=no
+else case e in #(
+  e) with_qt=no ;;
+esac
 fi
 
 
@@ -12691,8 +12958,8 @@ See the pkg-config man page for more details." "$LINENO" 5
 elif test $pkg_failed = untried; then
      	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "The pkg-config script could not be found or is too old.  Make sure it
 is in your PATH or set the PKG_CONFIG environment variable to the full
 path to pkg-config.
@@ -12702,7 +12969,7 @@ and QT_LIBS to avoid the need to call pkg-config.
 See the pkg-config man page for more details.
 
 To get pkg-config, see <http://pkg-config.freedesktop.org/>.
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; }
 else
 	QT_CFLAGS=$pkg_cv_QT_CFLAGS
 	QT_LIBS=$pkg_cv_QT_LIBS
@@ -12710,9 +12977,10 @@ else
 printf "%s\n" "yes" >&6; }
 
 fi
-else $as_nop
-  QT_CFLAGS=
-   QT_LIBS=
+else case e in #(
+  e) QT_CFLAGS=
+   QT_LIBS= ;;
+esac
 fi
  if test "x$with_qt" = "xyes"; then
   QT_TRUE=
@@ -12732,8 +13000,9 @@ if test ${with_qt5+y}
 then :
   withval=$with_qt5;
    log4cplus_check_yesno_func "${withval}" "--with-qt5"
-else $as_nop
-  with_qt5=no
+else case e in #(
+  e) with_qt5=no ;;
+esac
 fi
 
 
@@ -12811,8 +13080,8 @@ See the pkg-config man page for more details." "$LINENO" 5
 elif test $pkg_failed = untried; then
      	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "The pkg-config script could not be found or is too old.  Make sure it
 is in your PATH or set the PKG_CONFIG environment variable to the full
 path to pkg-config.
@@ -12822,7 +13091,7 @@ and QT5_LIBS to avoid the need to call pkg-config.
 See the pkg-config man page for more details.
 
 To get pkg-config, see <http://pkg-config.freedesktop.org/>.
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; }
 else
 	QT5_CFLAGS=$pkg_cv_QT5_CFLAGS
 	QT5_LIBS=$pkg_cv_QT5_LIBS
@@ -12830,9 +13099,10 @@ else
 printf "%s\n" "yes" >&6; }
 
 fi
-else $as_nop
-  QT5_CFLAGS=
-   QT5_LIBS=
+else case e in #(
+  e) QT5_CFLAGS=
+   QT5_LIBS= ;;
+esac
 fi
  if test "x$with_qt5" = "xyes"; then
   QT5_TRUE=
@@ -12858,8 +13128,9 @@ then :
 then :
   with_swig=yes
 fi
-else $as_nop
-  with_python=no
+else case e in #(
+  e) with_python=no ;;
+esac
 fi
 
 
@@ -12876,8 +13147,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_path_SWIG+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  case $SWIG in
+else case e in #(
+  e) case $SWIG in
   [\\/]* | ?:[\\/]*)
   ac_cv_path_SWIG="$SWIG" # Let the user override the test with a path.
   ;;
@@ -12902,6 +13173,7 @@ done
 IFS=$as_save_IFS
 
   ;;
+esac ;;
 esac
 fi
 SWIG=$ac_cv_path_SWIG
@@ -13033,10 +13305,11 @@ sys.exit(sys.hexversion < minverhex)"
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-			       as_fn_error $? "Python interpreter is too old" "$LINENO" 5
+			       as_fn_error $? "Python interpreter is too old" "$LINENO" 5 ;;
+esac
 fi
       am_display_PYTHON=$PYTHON
     else
@@ -13047,8 +13320,8 @@ printf %s "checking for a Python interpreter with version >= 2.3... " >&6; }
 if test ${am_cv_pathless_PYTHON+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-
+else case e in #(
+  e)
 	for am_cv_pathless_PYTHON in python python2 python3  python3.9 python3.8 python3.7 python3.6 python3.5 python3.4 python3.3  python3.2 python3.1 python3.0  python2.7 python2.6 python2.5 python2.4 python2.3 python2.2 python2.1  python2.0 none; do
 	  test "$am_cv_pathless_PYTHON" = none && break
 	  prog="import sys
@@ -13068,7 +13341,8 @@ sys.exit(sys.hexversion < minverhex)"
 then :
   break
 fi
-	done
+	done ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_pathless_PYTHON" >&5
 printf "%s\n" "$am_cv_pathless_PYTHON" >&6; }
@@ -13083,8 +13357,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_path_PYTHON+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  case $PYTHON in
+else case e in #(
+  e) case $PYTHON in
   [\\/]* | ?:[\\/]*)
   ac_cv_path_PYTHON="$PYTHON" # Let the user override the test with a path.
   ;;
@@ -13109,6 +13383,7 @@ done
 IFS=$as_save_IFS
 
   ;;
+esac ;;
 esac
 fi
 PYTHON=$ac_cv_path_PYTHON
@@ -13135,8 +13410,9 @@ printf %s "checking for $am_display_PYTHON version... " >&6; }
 if test ${am_cv_python_version+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  am_cv_python_version=`$PYTHON -c "import sys; print ('%u.%u' % sys.version_info[:2])"`
+else case e in #(
+  e) am_cv_python_version=`$PYTHON -c "import sys; print ('%u.%u' % sys.version_info[:2])"` ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_version" >&5
 printf "%s\n" "$am_cv_python_version" >&6; }
@@ -13148,8 +13424,9 @@ printf %s "checking for $am_display_PYTHON platform... " >&6; }
 if test ${am_cv_python_platform+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  am_cv_python_platform=`$PYTHON -c "import sys; sys.stdout.write(sys.platform)"`
+else case e in #(
+  e) am_cv_python_platform=`$PYTHON -c "import sys; sys.stdout.write(sys.platform)"` ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_platform" >&5
 printf "%s\n" "$am_cv_python_platform" >&6; }
@@ -13169,8 +13446,9 @@ printf "%s\n" "$am_cv_python_platform" >&6; }
 if test ${with_python_sys_prefix+y}
 then :
   withval=$with_python_sys_prefix; am_use_python_sys=:
-else $as_nop
-  am_use_python_sys=false
+else case e in #(
+  e) am_use_python_sys=false ;;
+esac
 fi
 
 
@@ -13185,8 +13463,8 @@ then :
 printf %s "checking for explicit $am_display_PYTHON prefix... " >&6; }
    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_prefix" >&5
 printf "%s\n" "$am_cv_python_prefix" >&6; }
-else $as_nop
-
+else case e in #(
+  e)
    if $am_use_python_sys; then
      # using python sys.prefix value, not GNU
      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for python default $am_display_PYTHON prefix" >&5
@@ -13194,8 +13472,9 @@ printf %s "checking for python default $am_display_PYTHON prefix... " >&6; }
 if test ${am_cv_python_prefix+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  am_cv_python_prefix=`$PYTHON -c "import sys; sys.stdout.write(sys.prefix)"`
+else case e in #(
+  e) am_cv_python_prefix=`$PYTHON -c "import sys; sys.stdout.write(sys.prefix)"` ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_prefix" >&5
 printf "%s\n" "$am_cv_python_prefix" >&6; }
@@ -13216,7 +13495,8 @@ printf "%s\n" "$am_cv_python_prefix" >&6; }
 printf %s "checking for GNU default $am_display_PYTHON prefix... " >&6; }
      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_python_prefix" >&5
 printf "%s\n" "$am_python_prefix" >&6; }
-   fi
+   fi ;;
+esac
 fi
 
   # Substituting python_prefix_subst value.
@@ -13235,8 +13515,8 @@ then :
 printf %s "checking for explicit $am_display_PYTHON exec_prefix... " >&6; }
    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_exec_prefix" >&5
 printf "%s\n" "$am_cv_python_exec_prefix" >&6; }
-else $as_nop
-
+else case e in #(
+  e)
    # no explicit --with-python_exec_prefix, but if
    # --with-python_prefix was given, use its value for python_exec_prefix too.
    if test -n "$with_python_prefix"
@@ -13247,8 +13527,8 @@ then :
 printf %s "checking for python_prefix-given $am_display_PYTHON exec_prefix... " >&6; }
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_exec_prefix" >&5
 printf "%s\n" "$am_cv_python_exec_prefix" >&6; }
-else $as_nop
-
+else case e in #(
+  e)
     # Set am__usable_exec_prefix whether using GNU or Python values,
     # since we use that variable for pyexecdir.
     if test "x$exec_prefix" = xNONE; then
@@ -13263,8 +13543,9 @@ printf %s "checking for python default $am_display_PYTHON exec_prefix... " >&6;
 if test ${am_cv_python_exec_prefix+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  am_cv_python_exec_prefix=`$PYTHON -c "import sys; sys.stdout.write(sys.exec_prefix)"`
+else case e in #(
+  e) am_cv_python_exec_prefix=`$PYTHON -c "import sys; sys.stdout.write(sys.exec_prefix)"` ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_exec_prefix" >&5
 printf "%s\n" "$am_cv_python_exec_prefix" >&6; }
@@ -13284,8 +13565,10 @@ printf "%s\n" "$am_cv_python_exec_prefix" >&6; }
 printf %s "checking for GNU default $am_display_PYTHON exec_prefix... " >&6; }
      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_python_exec_prefix" >&5
 printf "%s\n" "$am_python_exec_prefix" >&6; }
-   fi
-fi
+   fi ;;
+esac
+fi ;;
+esac
 fi
 
   # Substituting python_exec_prefix_subst.
@@ -13318,8 +13601,8 @@ printf %s "checking for $am_display_PYTHON script directory (pythondir)... " >&6
 if test ${am_cv_python_pythondir+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test "x$am_cv_python_prefix" = x; then
+else case e in #(
+  e) if test "x$am_cv_python_prefix" = x; then
      am_py_prefix=$am__usable_prefix
    else
      am_py_prefix=$am_cv_python_prefix
@@ -13346,7 +13629,8 @@ sys.stdout.write(sitedir)"`
      esac
      ;;
    esac
-
+   ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_pythondir" >&5
 printf "%s\n" "$am_cv_python_pythondir" >&6; }
@@ -13361,8 +13645,8 @@ printf %s "checking for $am_display_PYTHON extension module directory (pyexecdir
 if test ${am_cv_python_pyexecdir+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test "x$am_cv_python_exec_prefix" = x; then
+else case e in #(
+  e) if test "x$am_cv_python_exec_prefix" = x; then
      am_py_exec_prefix=$am__usable_exec_prefix
    else
      am_py_exec_prefix=$am_cv_python_exec_prefix
@@ -13389,7 +13673,8 @@ sys.stdout.write(sitedir)"`
      esac
      ;;
    esac
-
+   ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_python_pyexecdir" >&5
 printf "%s\n" "$am_cv_python_pyexecdir" >&6; }
@@ -13415,8 +13700,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_path_PYTHON+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  case $PYTHON in
+else case e in #(
+  e) case $PYTHON in
   [\\/]* | ?:[\\/]*)
   ac_cv_path_PYTHON="$PYTHON" # Let the user override the test with a path.
   ;;
@@ -13441,6 +13726,7 @@ done
 IFS=$as_save_IFS
 
   ;;
+esac ;;
 esac
 fi
 PYTHON=$ac_cv_path_PYTHON
@@ -13470,8 +13756,8 @@ printf %s "checking for a version of Python >= '2.1.0'... " >&6; }
 		if test -z "$PYTHON_NOVERSIONCHECK"; then
 			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-			{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+			{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "
 This version of the AC_PYTHON_DEVEL macro
 doesn't work properly with versions of Python before
@@ -13481,7 +13767,7 @@ PYTHON_EXTRA_LIBS and PYTHON_EXTRA_LDFLAGS by hand.
 Moreover, to disable this check, set PYTHON_NOVERSIONCHECK
 to something else than an empty string.
 
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; }
 		else
 			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: skip at user request" >&5
 printf "%s\n" "skip at user request" >&6; }
@@ -13711,8 +13997,9 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   pythonexists=yes
-else $as_nop
-  pythonexists=no
+else case e in #(
+  e) pythonexists=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -13730,8 +14017,8 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 printf "%s\n" "$pythonexists" >&6; }
 
         if test ! "x$pythonexists" = "xyes"; then
-	   { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+	   { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "
   Could not link test program to Python. Maybe the main Python library has been
   installed in some non-standard library path. If so, pass it to configure,
@@ -13743,7 +14030,7 @@ as_fn_error $? "
    for your distribution.  The exact name of this package varies among them.
   ============================================================================
 
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; }
 	  PYTHON_VERSION=""
 	fi
 
@@ -13868,8 +14155,8 @@ printf %s "checking for a sed that does not truncate output... " >&6; }
 if test ${ac_cv_path_SED+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-            ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
+else case e in #(
+  e)           ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
      for ac_i in 1 2 3 4 5 6 7; do
        ac_script="$ac_script$as_nl$ac_script"
      done
@@ -13931,7 +14218,8 @@ IFS=$as_save_IFS
 else
   ac_cv_path_SED=$SED
 fi
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5
 printf "%s\n" "$ac_cv_path_SED" >&6; }
@@ -13956,8 +14244,8 @@ printf %s "checking for fgrep... " >&6; }
 if test ${ac_cv_path_FGREP+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1
+else case e in #(
+  e) if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1
    then ac_cv_path_FGREP="$GREP -F"
    else
      if test -z "$FGREP"; then
@@ -14017,7 +14305,8 @@ else
   ac_cv_path_FGREP=$FGREP
 fi
 
-   fi
+   fi ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_FGREP" >&5
 printf "%s\n" "$ac_cv_path_FGREP" >&6; }
@@ -14048,8 +14337,9 @@ test -z "$GREP" && GREP=grep
 if test ${with_gnu_ld+y}
 then :
   withval=$with_gnu_ld; test no = "$withval" || with_gnu_ld=yes
-else $as_nop
-  with_gnu_ld=no
+else case e in #(
+  e) with_gnu_ld=no ;;
+esac
 fi
 
 ac_prog=ld
@@ -14094,8 +14384,8 @@ fi
 if test ${lt_cv_path_LD+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -z "$LD"; then
+else case e in #(
+  e) if test -z "$LD"; then
   lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
   for ac_dir in $PATH; do
     IFS=$lt_save_ifs
@@ -14118,7 +14408,8 @@ else $as_nop
   IFS=$lt_save_ifs
 else
   lt_cv_path_LD=$LD # Let the user override the test with a path.
-fi
+fi ;;
+esac
 fi
 
 LD=$lt_cv_path_LD
@@ -14135,8 +14426,8 @@ printf %s "checking if the linker ($LD) is GNU ld... " >&6; }
 if test ${lt_cv_prog_gnu_ld+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  # I'd rather use --version here, but apparently some GNU lds only accept -v.
+else case e in #(
+  e) # I'd rather use --version here, but apparently some GNU lds only accept -v.
 case `$LD -v 2>&1 </dev/null` in
 *GNU* | *'with BFD'*)
   lt_cv_prog_gnu_ld=yes
@@ -14144,6 +14435,7 @@ case `$LD -v 2>&1 </dev/null` in
 *)
   lt_cv_prog_gnu_ld=no
   ;;
+esac ;;
 esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_gnu_ld" >&5
@@ -14163,8 +14455,8 @@ printf %s "checking for BSD- or MS-compatible name lister (nm)... " >&6; }
 if test ${lt_cv_path_NM+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$NM"; then
+else case e in #(
+  e) if test -n "$NM"; then
   # Let the user override the test.
   lt_cv_path_NM=$NM
 else
@@ -14211,7 +14503,8 @@ else
     IFS=$lt_save_ifs
   done
   : ${lt_cv_path_NM=no}
-fi
+fi ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5
 printf "%s\n" "$lt_cv_path_NM" >&6; }
@@ -14232,8 +14525,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_DUMPBIN+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$DUMPBIN"; then
+else case e in #(
+  e) if test -n "$DUMPBIN"; then
   ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -14255,7 +14548,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 DUMPBIN=$ac_cv_prog_DUMPBIN
 if test -n "$DUMPBIN"; then
@@ -14281,8 +14575,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_DUMPBIN+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_DUMPBIN"; then
+else case e in #(
+  e) if test -n "$ac_ct_DUMPBIN"; then
   ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -14304,7 +14598,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN
 if test -n "$ac_ct_DUMPBIN"; then
@@ -14358,8 +14653,8 @@ printf %s "checking the name lister ($NM) interface... " >&6; }
 if test ${lt_cv_nm_interface+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_nm_interface="BSD nm"
+else case e in #(
+  e) lt_cv_nm_interface="BSD nm"
   echo "int some_variable = 0;" > conftest.$ac_ext
   (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5)
   (eval "$ac_compile" 2>conftest.err)
@@ -14372,7 +14667,8 @@ else $as_nop
   if $GREP 'External.*some_variable' conftest.out > /dev/null; then
     lt_cv_nm_interface="MS dumpbin"
   fi
-  rm -f conftest*
+  rm -f conftest* ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5
 printf "%s\n" "$lt_cv_nm_interface" >&6; }
@@ -14394,8 +14690,8 @@ printf %s "checking the maximum length of command line arguments... " >&6; }
 if test ${lt_cv_sys_max_cmd_len+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-    i=0
+else case e in #(
+  e)   i=0
   teststring=ABCD
 
   case $build_os in
@@ -14517,7 +14813,8 @@ else $as_nop
     fi
     ;;
   esac
-
+ ;;
+esac
 fi
 
 if test -n "$lt_cv_sys_max_cmd_len"; then
@@ -14574,8 +14871,8 @@ printf %s "checking how to convert $build file names to $host format... " >&6; }
 if test ${lt_cv_to_host_file_cmd+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  case $host in
+else case e in #(
+  e) case $host in
   *-*-mingw* )
     case $build in
       *-*-mingw* ) # actually msys
@@ -14606,7 +14903,8 @@ else $as_nop
     lt_cv_to_host_file_cmd=func_convert_file_noop
     ;;
 esac
-
+ ;;
+esac
 fi
 
 to_host_file_cmd=$lt_cv_to_host_file_cmd
@@ -14622,8 +14920,8 @@ printf %s "checking how to convert $build file names to toolchain format... " >&
 if test ${lt_cv_to_tool_file_cmd+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  #assume ordinary cross tools, or native build.
+else case e in #(
+  e) #assume ordinary cross tools, or native build.
 lt_cv_to_tool_file_cmd=func_convert_file_noop
 case $host in
   *-*-mingw* )
@@ -14634,7 +14932,8 @@ case $host in
     esac
     ;;
 esac
-
+ ;;
+esac
 fi
 
 to_tool_file_cmd=$lt_cv_to_tool_file_cmd
@@ -14650,8 +14949,9 @@ printf %s "checking for $LD option to reload object files... " >&6; }
 if test ${lt_cv_ld_reload_flag+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_ld_reload_flag='-r'
+else case e in #(
+  e) lt_cv_ld_reload_flag='-r' ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5
 printf "%s\n" "$lt_cv_ld_reload_flag" >&6; }
@@ -14692,8 +14992,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_FILECMD+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$FILECMD"; then
+else case e in #(
+  e) if test -n "$FILECMD"; then
   ac_cv_prog_FILECMD="$FILECMD" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -14715,7 +15015,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 FILECMD=$ac_cv_prog_FILECMD
 if test -n "$FILECMD"; then
@@ -14737,8 +15038,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_FILECMD+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_FILECMD"; then
+else case e in #(
+  e) if test -n "$ac_ct_FILECMD"; then
   ac_cv_prog_ac_ct_FILECMD="$ac_ct_FILECMD" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -14760,7 +15061,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_FILECMD=$ac_cv_prog_ac_ct_FILECMD
 if test -n "$ac_ct_FILECMD"; then
@@ -14800,8 +15102,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_OBJDUMP+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$OBJDUMP"; then
+else case e in #(
+  e) if test -n "$OBJDUMP"; then
   ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -14823,7 +15125,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 OBJDUMP=$ac_cv_prog_OBJDUMP
 if test -n "$OBJDUMP"; then
@@ -14845,8 +15148,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_OBJDUMP+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_OBJDUMP"; then
+else case e in #(
+  e) if test -n "$ac_ct_OBJDUMP"; then
   ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -14868,7 +15171,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP
 if test -n "$ac_ct_OBJDUMP"; then
@@ -14906,8 +15210,8 @@ printf %s "checking how to recognize dependent libraries... " >&6; }
 if test ${lt_cv_deplibs_check_method+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_file_magic_cmd='$MAGIC_CMD'
+else case e in #(
+  e) lt_cv_file_magic_cmd='$MAGIC_CMD'
 lt_cv_file_magic_test_file=
 lt_cv_deplibs_check_method='unknown'
 # Need to set the preceding variable on all platforms that support
@@ -15100,7 +15404,8 @@ os2*)
   lt_cv_deplibs_check_method=pass_all
   ;;
 esac
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5
 printf "%s\n" "$lt_cv_deplibs_check_method" >&6; }
@@ -15152,8 +15457,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_DLLTOOL+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$DLLTOOL"; then
+else case e in #(
+  e) if test -n "$DLLTOOL"; then
   ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -15175,7 +15480,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 DLLTOOL=$ac_cv_prog_DLLTOOL
 if test -n "$DLLTOOL"; then
@@ -15197,8 +15503,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_DLLTOOL+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_DLLTOOL"; then
+else case e in #(
+  e) if test -n "$ac_ct_DLLTOOL"; then
   ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -15220,7 +15526,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL
 if test -n "$ac_ct_DLLTOOL"; then
@@ -15259,8 +15566,8 @@ printf %s "checking how to associate runtime and link libraries... " >&6; }
 if test ${lt_cv_sharedlib_from_linklib_cmd+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_sharedlib_from_linklib_cmd='unknown'
+else case e in #(
+  e) lt_cv_sharedlib_from_linklib_cmd='unknown'
 
 case $host_os in
 cygwin* | mingw* | pw32* | cegcc*)
@@ -15280,7 +15587,8 @@ cygwin* | mingw* | pw32* | cegcc*)
   lt_cv_sharedlib_from_linklib_cmd=$ECHO
   ;;
 esac
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5
 printf "%s\n" "$lt_cv_sharedlib_from_linklib_cmd" >&6; }
@@ -15303,8 +15611,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_AR+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$AR"; then
+else case e in #(
+  e) if test -n "$AR"; then
   ac_cv_prog_AR="$AR" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -15326,7 +15634,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 AR=$ac_cv_prog_AR
 if test -n "$AR"; then
@@ -15352,8 +15661,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_AR+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_AR"; then
+else case e in #(
+  e) if test -n "$ac_ct_AR"; then
   ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -15375,7 +15684,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_AR=$ac_cv_prog_ac_ct_AR
 if test -n "$ac_ct_AR"; then
@@ -15437,8 +15747,8 @@ printf %s "checking for archiver @FILE support... " >&6; }
 if test ${lt_cv_ar_at_file+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_ar_at_file=no
+else case e in #(
+  e) lt_cv_ar_at_file=no
    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -15475,7 +15785,8 @@ then :
 
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-
+   ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5
 printf "%s\n" "$lt_cv_ar_at_file" >&6; }
@@ -15500,8 +15811,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_STRIP+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$STRIP"; then
+else case e in #(
+  e) if test -n "$STRIP"; then
   ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -15523,7 +15834,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 STRIP=$ac_cv_prog_STRIP
 if test -n "$STRIP"; then
@@ -15545,8 +15857,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_STRIP+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_STRIP"; then
+else case e in #(
+  e) if test -n "$ac_ct_STRIP"; then
   ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -15568,7 +15880,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
 if test -n "$ac_ct_STRIP"; then
@@ -15609,8 +15922,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_RANLIB+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$RANLIB"; then
+else case e in #(
+  e) if test -n "$RANLIB"; then
   ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -15632,7 +15945,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 RANLIB=$ac_cv_prog_RANLIB
 if test -n "$RANLIB"; then
@@ -15654,8 +15968,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_RANLIB+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_RANLIB"; then
+else case e in #(
+  e) if test -n "$ac_ct_RANLIB"; then
   ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -15677,7 +15991,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
 if test -n "$ac_ct_RANLIB"; then
@@ -15788,8 +16103,8 @@ printf %s "checking command to parse $NM output from $compiler object... " >&6;
 if test ${lt_cv_sys_global_symbol_pipe+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-
+else case e in #(
+  e)
 # These are sane defaults that work on at least a few old systems.
 # [They come from Ultrix.  What could be older than Ultrix?!! ;)]
 
@@ -16044,7 +16359,8 @@ _LT_EOF
     lt_cv_sys_global_symbol_pipe=
   fi
 done
-
+ ;;
+esac
 fi
 
 if test -z "$lt_cv_sys_global_symbol_pipe"; then
@@ -16108,8 +16424,9 @@ printf %s "checking for sysroot... " >&6; }
 if test ${with_sysroot+y}
 then :
   withval=$with_sysroot;
-else $as_nop
-  with_sysroot=no
+else case e in #(
+  e) with_sysroot=no ;;
+esac
 fi
 
 
@@ -16144,8 +16461,8 @@ printf %s "checking for a working dd... " >&6; }
 if test ${ac_cv_path_lt_DD+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  printf 0123456789abcdef0123456789abcdef >conftest.i
+else case e in #(
+  e) printf 0123456789abcdef0123456789abcdef >conftest.i
 cat conftest.i conftest.i >conftest2.i
 : ${lt_DD:=$DD}
 if test -z "$lt_DD"; then
@@ -16181,7 +16498,8 @@ else
   ac_cv_path_lt_DD=$lt_DD
 fi
 
-rm -f conftest.i conftest2.i conftest.out
+rm -f conftest.i conftest2.i conftest.out ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_lt_DD" >&5
 printf "%s\n" "$ac_cv_path_lt_DD" >&6; }
@@ -16192,8 +16510,8 @@ printf %s "checking how to truncate binary pipes... " >&6; }
 if test ${lt_cv_truncate_bin+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  printf 0123456789abcdef0123456789abcdef >conftest.i
+else case e in #(
+  e) printf 0123456789abcdef0123456789abcdef >conftest.i
 cat conftest.i conftest.i >conftest2.i
 lt_cv_truncate_bin=
 if "$ac_cv_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
@@ -16201,7 +16519,8 @@ if "$ac_cv_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; the
   && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1"
 fi
 rm -f conftest.i conftest2.i conftest.out
-test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q"
+test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q" ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_truncate_bin" >&5
 printf "%s\n" "$lt_cv_truncate_bin" >&6; }
@@ -16411,8 +16730,8 @@ printf %s "checking whether the C compiler needs -belf... " >&6; }
 if test ${lt_cv_cc_needs_belf+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_ext=c
+else case e in #(
+  e) ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
@@ -16432,8 +16751,9 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   lt_cv_cc_needs_belf=yes
-else $as_nop
-  lt_cv_cc_needs_belf=no
+else case e in #(
+  e) lt_cv_cc_needs_belf=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -16442,7 +16762,8 @@ ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5
 printf "%s\n" "$lt_cv_cc_needs_belf" >&6; }
@@ -16500,8 +16821,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_MANIFEST_TOOL+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$MANIFEST_TOOL"; then
+else case e in #(
+  e) if test -n "$MANIFEST_TOOL"; then
   ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -16523,7 +16844,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL
 if test -n "$MANIFEST_TOOL"; then
@@ -16545,8 +16867,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_MANIFEST_TOOL+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_MANIFEST_TOOL"; then
+else case e in #(
+  e) if test -n "$ac_ct_MANIFEST_TOOL"; then
   ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -16568,7 +16890,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL
 if test -n "$ac_ct_MANIFEST_TOOL"; then
@@ -16600,15 +16923,16 @@ printf %s "checking if $MANIFEST_TOOL is a manifest tool... " >&6; }
 if test ${lt_cv_path_mainfest_tool+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_path_mainfest_tool=no
+else case e in #(
+  e) lt_cv_path_mainfest_tool=no
   echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5
   $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out
   cat conftest.err >&5
   if $GREP 'Manifest Tool' conftest.out > /dev/null; then
     lt_cv_path_mainfest_tool=yes
   fi
-  rm -f conftest*
+  rm -f conftest* ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5
 printf "%s\n" "$lt_cv_path_mainfest_tool" >&6; }
@@ -16631,8 +16955,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_DSYMUTIL+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$DSYMUTIL"; then
+else case e in #(
+  e) if test -n "$DSYMUTIL"; then
   ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -16654,7 +16978,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 DSYMUTIL=$ac_cv_prog_DSYMUTIL
 if test -n "$DSYMUTIL"; then
@@ -16676,8 +17001,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_DSYMUTIL+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_DSYMUTIL"; then
+else case e in #(
+  e) if test -n "$ac_ct_DSYMUTIL"; then
   ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -16699,7 +17024,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL
 if test -n "$ac_ct_DSYMUTIL"; then
@@ -16733,8 +17059,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_NMEDIT+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$NMEDIT"; then
+else case e in #(
+  e) if test -n "$NMEDIT"; then
   ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -16756,7 +17082,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 NMEDIT=$ac_cv_prog_NMEDIT
 if test -n "$NMEDIT"; then
@@ -16778,8 +17105,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_NMEDIT+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_NMEDIT"; then
+else case e in #(
+  e) if test -n "$ac_ct_NMEDIT"; then
   ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -16801,7 +17128,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT
 if test -n "$ac_ct_NMEDIT"; then
@@ -16835,8 +17163,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_LIPO+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$LIPO"; then
+else case e in #(
+  e) if test -n "$LIPO"; then
   ac_cv_prog_LIPO="$LIPO" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -16858,7 +17186,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 LIPO=$ac_cv_prog_LIPO
 if test -n "$LIPO"; then
@@ -16880,8 +17209,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_LIPO+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_LIPO"; then
+else case e in #(
+  e) if test -n "$ac_ct_LIPO"; then
   ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -16903,7 +17232,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO
 if test -n "$ac_ct_LIPO"; then
@@ -16937,8 +17267,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_OTOOL+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$OTOOL"; then
+else case e in #(
+  e) if test -n "$OTOOL"; then
   ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -16960,7 +17290,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 OTOOL=$ac_cv_prog_OTOOL
 if test -n "$OTOOL"; then
@@ -16982,8 +17313,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_OTOOL+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_OTOOL"; then
+else case e in #(
+  e) if test -n "$ac_ct_OTOOL"; then
   ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -17005,7 +17336,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL
 if test -n "$ac_ct_OTOOL"; then
@@ -17039,8 +17371,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_OTOOL64+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$OTOOL64"; then
+else case e in #(
+  e) if test -n "$OTOOL64"; then
   ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -17062,7 +17394,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 OTOOL64=$ac_cv_prog_OTOOL64
 if test -n "$OTOOL64"; then
@@ -17084,8 +17417,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_OTOOL64+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_OTOOL64"; then
+else case e in #(
+  e) if test -n "$ac_ct_OTOOL64"; then
   ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -17107,7 +17440,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64
 if test -n "$ac_ct_OTOOL64"; then
@@ -17164,8 +17498,8 @@ printf %s "checking for -single_module linker flag... " >&6; }
 if test ${lt_cv_apple_cc_single_mod+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_apple_cc_single_mod=no
+else case e in #(
+  e) lt_cv_apple_cc_single_mod=no
       if test -z "$LT_MULTI_MODULE"; then
 	# By default we will add the -single_module flag. You can override
 	# by either setting the environment variable LT_MULTI_MODULE
@@ -17191,7 +17525,8 @@ else $as_nop
 	fi
 	rm -rf libconftest.dylib*
 	rm -f conftest.*
-      fi
+      fi ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5
 printf "%s\n" "$lt_cv_apple_cc_single_mod" >&6; }
@@ -17201,8 +17536,8 @@ printf %s "checking for -exported_symbols_list linker flag... " >&6; }
 if test ${lt_cv_ld_exported_symbols_list+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_ld_exported_symbols_list=no
+else case e in #(
+  e) lt_cv_ld_exported_symbols_list=no
       save_LDFLAGS=$LDFLAGS
       echo "_main" > conftest.sym
       LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
@@ -17220,13 +17555,15 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   lt_cv_ld_exported_symbols_list=yes
-else $as_nop
-  lt_cv_ld_exported_symbols_list=no
+else case e in #(
+  e) lt_cv_ld_exported_symbols_list=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 	LDFLAGS=$save_LDFLAGS
-
+     ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5
 printf "%s\n" "$lt_cv_ld_exported_symbols_list" >&6; }
@@ -17236,8 +17573,8 @@ printf %s "checking for -force_load linker flag... " >&6; }
 if test ${lt_cv_ld_force_load+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_ld_force_load=no
+else case e in #(
+  e) lt_cv_ld_force_load=no
       cat > conftest.c << _LT_EOF
 int forced_loaded() { return 2;}
 _LT_EOF
@@ -17262,7 +17599,8 @@ _LT_EOF
       fi
         rm -f conftest.err libconftest.a conftest conftest.c
         rm -rf conftest.dSYM
-
+     ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5
 printf "%s\n" "$lt_cv_ld_force_load" >&6; }
@@ -17366,8 +17704,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_AS+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$AS"; then
+else case e in #(
+  e) if test -n "$AS"; then
   ac_cv_prog_AS="$AS" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -17389,7 +17727,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 AS=$ac_cv_prog_AS
 if test -n "$AS"; then
@@ -17411,8 +17750,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_AS+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_AS"; then
+else case e in #(
+  e) if test -n "$ac_ct_AS"; then
   ac_cv_prog_ac_ct_AS="$ac_ct_AS" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -17434,7 +17773,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_AS=$ac_cv_prog_ac_ct_AS
 if test -n "$ac_ct_AS"; then
@@ -17468,8 +17808,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_DLLTOOL+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$DLLTOOL"; then
+else case e in #(
+  e) if test -n "$DLLTOOL"; then
   ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -17491,7 +17831,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 DLLTOOL=$ac_cv_prog_DLLTOOL
 if test -n "$DLLTOOL"; then
@@ -17513,8 +17854,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_DLLTOOL+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_DLLTOOL"; then
+else case e in #(
+  e) if test -n "$ac_ct_DLLTOOL"; then
   ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -17536,7 +17877,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL
 if test -n "$ac_ct_DLLTOOL"; then
@@ -17570,8 +17912,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_OBJDUMP+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$OBJDUMP"; then
+else case e in #(
+  e) if test -n "$OBJDUMP"; then
   ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -17593,7 +17935,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 OBJDUMP=$ac_cv_prog_OBJDUMP
 if test -n "$OBJDUMP"; then
@@ -17615,8 +17958,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_OBJDUMP+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_OBJDUMP"; then
+else case e in #(
+  e) if test -n "$ac_ct_OBJDUMP"; then
   ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -17638,7 +17981,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP
 if test -n "$ac_ct_OBJDUMP"; then
@@ -17704,8 +18048,9 @@ then :
       IFS=$lt_save_ifs
       ;;
     esac
-else $as_nop
-  enable_static=no
+else case e in #(
+  e) enable_static=no ;;
+esac
 fi
 
 
@@ -17734,8 +18079,9 @@ then :
       IFS=$lt_save_ifs
       ;;
     esac
-else $as_nop
-  pic_mode=yes
+else case e in #(
+  e) pic_mode=yes ;;
+esac
 fi
 
 
@@ -17770,8 +18116,9 @@ then :
       IFS=$lt_save_ifs
       ;;
     esac
-else $as_nop
-  enable_shared=yes
+else case e in #(
+  e) enable_shared=yes ;;
+esac
 fi
 
 
@@ -17804,8 +18151,9 @@ then :
       IFS=$lt_save_ifs
       ;;
     esac
-else $as_nop
-  enable_fast_install=yes
+else case e in #(
+  e) enable_fast_install=yes ;;
+esac
 fi
 
 
@@ -17832,15 +18180,17 @@ then :
       ;;
     esac
     lt_cv_with_aix_soname=$with_aix_soname
-else $as_nop
-  if test ${lt_cv_with_aix_soname+y}
+else case e in #(
+  e) if test ${lt_cv_with_aix_soname+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_with_aix_soname=aix
+else case e in #(
+  e) lt_cv_with_aix_soname=aix ;;
+esac
 fi
 
-    with_aix_soname=$lt_cv_with_aix_soname
+    with_aix_soname=$lt_cv_with_aix_soname ;;
+esac
 fi
 
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_aix_soname" >&5
@@ -17931,8 +18281,8 @@ printf %s "checking for objdir... " >&6; }
 if test ${lt_cv_objdir+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  rm -f .libs 2>/dev/null
+else case e in #(
+  e) rm -f .libs 2>/dev/null
 mkdir .libs 2>/dev/null
 if test -d .libs; then
   lt_cv_objdir=.libs
@@ -17940,7 +18290,8 @@ else
   # MS-DOS does not allow filenames that begin with a dot.
   lt_cv_objdir=_libs
 fi
-rmdir .libs 2>/dev/null
+rmdir .libs 2>/dev/null ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5
 printf "%s\n" "$lt_cv_objdir" >&6; }
@@ -18001,8 +18352,8 @@ printf %s "checking for ${ac_tool_prefix}file... " >&6; }
 if test ${lt_cv_path_MAGIC_CMD+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  case $MAGIC_CMD in
+else case e in #(
+  e) case $MAGIC_CMD in
 [\\/*] |  ?:[\\/]*)
   lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path.
   ;;
@@ -18045,6 +18396,7 @@ _LT_EOF
   IFS=$lt_save_ifs
   MAGIC_CMD=$lt_save_MAGIC_CMD
   ;;
+esac ;;
 esac
 fi
 
@@ -18068,8 +18420,8 @@ printf %s "checking for file... " >&6; }
 if test ${lt_cv_path_MAGIC_CMD+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  case $MAGIC_CMD in
+else case e in #(
+  e) case $MAGIC_CMD in
 [\\/*] |  ?:[\\/]*)
   lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path.
   ;;
@@ -18112,6 +18464,7 @@ _LT_EOF
   IFS=$lt_save_ifs
   MAGIC_CMD=$lt_save_MAGIC_CMD
   ;;
+esac ;;
 esac
 fi
 
@@ -18211,8 +18564,8 @@ printf %s "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; }
 if test ${lt_cv_prog_compiler_rtti_exceptions+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_prog_compiler_rtti_exceptions=no
+else case e in #(
+  e) lt_cv_prog_compiler_rtti_exceptions=no
    ac_outfile=conftest.$ac_objext
    echo "$lt_simple_compile_test_code" > conftest.$ac_ext
    lt_compiler_flag="-fno-rtti -fno-exceptions"  ## exclude from sc_useless_quotes_in_assignment
@@ -18240,7 +18593,8 @@ else $as_nop
      fi
    fi
    $RM conftest*
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5
 printf "%s\n" "$lt_cv_prog_compiler_rtti_exceptions" >&6; }
@@ -18605,8 +18959,9 @@ printf %s "checking for $compiler option to produce PIC... " >&6; }
 if test ${lt_cv_prog_compiler_pic+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_prog_compiler_pic=$lt_prog_compiler_pic
+else case e in #(
+  e) lt_cv_prog_compiler_pic=$lt_prog_compiler_pic ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic" >&5
 printf "%s\n" "$lt_cv_prog_compiler_pic" >&6; }
@@ -18621,8 +18976,8 @@ printf %s "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6;
 if test ${lt_cv_prog_compiler_pic_works+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_prog_compiler_pic_works=no
+else case e in #(
+  e) lt_cv_prog_compiler_pic_works=no
    ac_outfile=conftest.$ac_objext
    echo "$lt_simple_compile_test_code" > conftest.$ac_ext
    lt_compiler_flag="$lt_prog_compiler_pic -DPIC"  ## exclude from sc_useless_quotes_in_assignment
@@ -18650,7 +19005,8 @@ else $as_nop
      fi
    fi
    $RM conftest*
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5
 printf "%s\n" "$lt_cv_prog_compiler_pic_works" >&6; }
@@ -18686,8 +19042,8 @@ printf %s "checking if $compiler static flag $lt_tmp_static_flag works... " >&6;
 if test ${lt_cv_prog_compiler_static_works+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_prog_compiler_static_works=no
+else case e in #(
+  e) lt_cv_prog_compiler_static_works=no
    save_LDFLAGS=$LDFLAGS
    LDFLAGS="$LDFLAGS $lt_tmp_static_flag"
    echo "$lt_simple_link_test_code" > conftest.$ac_ext
@@ -18708,7 +19064,8 @@ else $as_nop
    fi
    $RM -r conftest*
    LDFLAGS=$save_LDFLAGS
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5
 printf "%s\n" "$lt_cv_prog_compiler_static_works" >&6; }
@@ -18730,8 +19087,8 @@ printf %s "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
 if test ${lt_cv_prog_compiler_c_o+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_prog_compiler_c_o=no
+else case e in #(
+  e) lt_cv_prog_compiler_c_o=no
    $RM -r conftest 2>/dev/null
    mkdir conftest
    cd conftest
@@ -18771,7 +19128,8 @@ else $as_nop
    cd ..
    $RM -r conftest
    $RM conftest*
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5
 printf "%s\n" "$lt_cv_prog_compiler_c_o" >&6; }
@@ -18786,8 +19144,8 @@ printf %s "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
 if test ${lt_cv_prog_compiler_c_o+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_prog_compiler_c_o=no
+else case e in #(
+  e) lt_cv_prog_compiler_c_o=no
    $RM -r conftest 2>/dev/null
    mkdir conftest
    cd conftest
@@ -18827,7 +19185,8 @@ else $as_nop
    cd ..
    $RM -r conftest
    $RM conftest*
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5
 printf "%s\n" "$lt_cv_prog_compiler_c_o" >&6; }
@@ -19422,8 +19781,8 @@ else
   if test ${lt_cv_aix_libpath_+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -19455,7 +19814,8 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam \
   if test -z "$lt_cv_aix_libpath_"; then
     lt_cv_aix_libpath_=/usr/lib:/lib
   fi
-
+   ;;
+esac
 fi
 
   aix_libpath=$lt_cv_aix_libpath_
@@ -19477,8 +19837,8 @@ else
   if test ${lt_cv_aix_libpath_+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -19510,7 +19870,8 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam \
   if test -z "$lt_cv_aix_libpath_"; then
     lt_cv_aix_libpath_=/usr/lib:/lib
   fi
-
+   ;;
+esac
 fi
 
   aix_libpath=$lt_cv_aix_libpath_
@@ -19761,8 +20122,8 @@ printf %s "checking if $CC understands -b... " >&6; }
 if test ${lt_cv_prog_compiler__b+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_prog_compiler__b=no
+else case e in #(
+  e) lt_cv_prog_compiler__b=no
    save_LDFLAGS=$LDFLAGS
    LDFLAGS="$LDFLAGS -b"
    echo "$lt_simple_link_test_code" > conftest.$ac_ext
@@ -19783,7 +20144,8 @@ else $as_nop
    fi
    $RM -r conftest*
    LDFLAGS=$save_LDFLAGS
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5
 printf "%s\n" "$lt_cv_prog_compiler__b" >&6; }
@@ -19831,8 +20193,8 @@ printf %s "checking whether the $host_os linker accepts -exported_symbol... " >&
 if test ${lt_cv_irix_exported_symbol+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  save_LDFLAGS=$LDFLAGS
+else case e in #(
+  e) save_LDFLAGS=$LDFLAGS
 	   LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null"
 	   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -19841,12 +20203,14 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   lt_cv_irix_exported_symbol=yes
-else $as_nop
-  lt_cv_irix_exported_symbol=no
+else case e in #(
+  e) lt_cv_irix_exported_symbol=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-           LDFLAGS=$save_LDFLAGS
+           LDFLAGS=$save_LDFLAGS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5
 printf "%s\n" "$lt_cv_irix_exported_symbol" >&6; }
@@ -20172,8 +20536,8 @@ printf %s "checking whether -lc should be explicitly linked in... " >&6; }
 if test ${lt_cv_archive_cmds_need_lc+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  $RM conftest*
+else case e in #(
+  e) $RM conftest*
 	echo "$lt_simple_compile_test_code" > conftest.$ac_ext
 
 	if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
@@ -20209,7 +20573,8 @@ else $as_nop
 	  cat conftest.err 1>&5
 	fi
 	$RM conftest*
-
+	 ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc" >&5
 printf "%s\n" "$lt_cv_archive_cmds_need_lc" >&6; }
@@ -20936,8 +21301,8 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
   if test ${lt_cv_shlibpath_overrides_runpath+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_shlibpath_overrides_runpath=no
+else case e in #(
+  e) lt_cv_shlibpath_overrides_runpath=no
     save_LDFLAGS=$LDFLAGS
     save_libdir=$libdir
     eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \
@@ -20964,7 +21329,8 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
     LDFLAGS=$save_LDFLAGS
     libdir=$save_libdir
-
+     ;;
+esac
 fi
 
   shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath
@@ -21389,16 +21755,22 @@ printf %s "checking for dlopen in -ldl... " >&6; }
 if test ${ac_cv_lib_dl_dlopen+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldl  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char dlopen ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen (void);
 int
 main (void)
 {
@@ -21410,24 +21782,27 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_dl_dlopen=yes
-else $as_nop
-  ac_cv_lib_dl_dlopen=no
+else case e in #(
+  e) ac_cv_lib_dl_dlopen=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
 printf "%s\n" "$ac_cv_lib_dl_dlopen" >&6; }
 if test "x$ac_cv_lib_dl_dlopen" = xyes
 then :
   lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl
-else $as_nop
-
+else case e in #(
+  e)
     lt_cv_dlopen=dyld
     lt_cv_dlopen_libs=
     lt_cv_dlopen_self=yes
-
+     ;;
+esac
 fi
 
     ;;
@@ -21445,22 +21820,28 @@ fi
 if test "x$ac_cv_func_shl_load" = xyes
 then :
   lt_cv_dlopen=shl_load
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5
 printf %s "checking for shl_load in -ldld... " >&6; }
 if test ${ac_cv_lib_dld_shl_load+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldld  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char shl_load ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char shl_load (void);
 int
 main (void)
 {
@@ -21472,39 +21853,47 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_dld_shl_load=yes
-else $as_nop
-  ac_cv_lib_dld_shl_load=no
+else case e in #(
+  e) ac_cv_lib_dld_shl_load=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5
 printf "%s\n" "$ac_cv_lib_dld_shl_load" >&6; }
 if test "x$ac_cv_lib_dld_shl_load" = xyes
 then :
   lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld
-else $as_nop
-  ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen"
+else case e in #(
+  e) ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen"
 if test "x$ac_cv_func_dlopen" = xyes
 then :
   lt_cv_dlopen=dlopen
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
 printf %s "checking for dlopen in -ldl... " >&6; }
 if test ${ac_cv_lib_dl_dlopen+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldl  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char dlopen ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen (void);
 int
 main (void)
 {
@@ -21516,34 +21905,42 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_dl_dlopen=yes
-else $as_nop
-  ac_cv_lib_dl_dlopen=no
+else case e in #(
+  e) ac_cv_lib_dl_dlopen=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
 printf "%s\n" "$ac_cv_lib_dl_dlopen" >&6; }
 if test "x$ac_cv_lib_dl_dlopen" = xyes
 then :
   lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5
 printf %s "checking for dlopen in -lsvld... " >&6; }
 if test ${ac_cv_lib_svld_dlopen+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsvld  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char dlopen ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen (void);
 int
 main (void)
 {
@@ -21555,34 +21952,42 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_svld_dlopen=yes
-else $as_nop
-  ac_cv_lib_svld_dlopen=no
+else case e in #(
+  e) ac_cv_lib_svld_dlopen=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5
 printf "%s\n" "$ac_cv_lib_svld_dlopen" >&6; }
 if test "x$ac_cv_lib_svld_dlopen" = xyes
 then :
   lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5
 printf %s "checking for dld_link in -ldld... " >&6; }
 if test ${ac_cv_lib_dld_dld_link+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldld  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char dld_link ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dld_link (void);
 int
 main (void)
 {
@@ -21594,12 +21999,14 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_dld_dld_link=yes
-else $as_nop
-  ac_cv_lib_dld_dld_link=no
+else case e in #(
+  e) ac_cv_lib_dld_dld_link=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5
 printf "%s\n" "$ac_cv_lib_dld_dld_link" >&6; }
@@ -21608,19 +22015,24 @@ then :
   lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld
 fi
 
-
+	       ;;
+esac
 fi
 
-
+	     ;;
+esac
 fi
 
-
+	   ;;
+esac
 fi
 
-
+	 ;;
+esac
 fi
 
-
+       ;;
+esac
 fi
 
     ;;
@@ -21648,8 +22060,8 @@ printf %s "checking whether a program can dlopen itself... " >&6; }
 if test ${lt_cv_dlopen_self+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  	  if test yes = "$cross_compiling"; then :
+else case e in #(
+  e) 	  if test yes = "$cross_compiling"; then :
   lt_cv_dlopen_self=cross
 else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
@@ -21743,7 +22155,8 @@ _LT_EOF
 fi
 rm -fr conftest*
 
-
+     ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5
 printf "%s\n" "$lt_cv_dlopen_self" >&6; }
@@ -21755,8 +22168,8 @@ printf %s "checking whether a statically linked program can dlopen itself... " >
 if test ${lt_cv_dlopen_self_static+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  	  if test yes = "$cross_compiling"; then :
+else case e in #(
+  e) 	  if test yes = "$cross_compiling"; then :
   lt_cv_dlopen_self_static=cross
 else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
@@ -21850,7 +22263,8 @@ _LT_EOF
 fi
 rm -fr conftest*
 
-
+       ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5
 printf "%s\n" "$lt_cv_dlopen_self_static" >&6; }
@@ -22008,8 +22422,8 @@ if test -z "$CXXCPP"; then
   if test ${ac_cv_prog_CXXCPP+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-      # Double quotes because $CXX needs to be expanded
+else case e in #(
+  e)     # Double quotes because $CXX needs to be expanded
     for CXXCPP in "$CXX -E" cpp /lib/cpp
     do
       ac_preproc_ok=false
@@ -22027,9 +22441,10 @@ _ACEOF
 if ac_fn_cxx_try_cpp "$LINENO"
 then :
 
-else $as_nop
-  # Broken: fails on valid input.
-continue
+else case e in #(
+  e) # Broken: fails on valid input.
+continue ;;
+esac
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
 
@@ -22043,15 +22458,16 @@ if ac_fn_cxx_try_cpp "$LINENO"
 then :
   # Broken: success on invalid input.
 continue
-else $as_nop
-  # Passes both tests.
+else case e in #(
+  e) # Passes both tests.
 ac_preproc_ok=:
-break
+break ;;
+esac
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
 
 done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+# Because of 'break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.i conftest.err conftest.$ac_ext
 if $ac_preproc_ok
 then :
@@ -22060,7 +22476,8 @@ fi
 
     done
     ac_cv_prog_CXXCPP=$CXXCPP
-
+   ;;
+esac
 fi
   CXXCPP=$ac_cv_prog_CXXCPP
 else
@@ -22083,9 +22500,10 @@ _ACEOF
 if ac_fn_cxx_try_cpp "$LINENO"
 then :
 
-else $as_nop
-  # Broken: fails on valid input.
-continue
+else case e in #(
+  e) # Broken: fails on valid input.
+continue ;;
+esac
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
 
@@ -22099,24 +22517,26 @@ if ac_fn_cxx_try_cpp "$LINENO"
 then :
   # Broken: success on invalid input.
 continue
-else $as_nop
-  # Passes both tests.
+else case e in #(
+  e) # Passes both tests.
 ac_preproc_ok=:
-break
+break ;;
+esac
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
 
 done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+# Because of 'break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.i conftest.err conftest.$ac_ext
 if $ac_preproc_ok
 then :
 
-else $as_nop
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+else case e in #(
+  e) { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "C++ preprocessor \"$CXXCPP\" fails sanity check
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; } ;;
+esac
 fi
 
 ac_ext=cpp
@@ -22253,8 +22673,9 @@ cc_basename=$func_cc_basename_result
 if test ${with_gnu_ld+y}
 then :
   withval=$with_gnu_ld; test no = "$withval" || with_gnu_ld=yes
-else $as_nop
-  with_gnu_ld=no
+else case e in #(
+  e) with_gnu_ld=no ;;
+esac
 fi
 
 ac_prog=ld
@@ -22299,8 +22720,8 @@ fi
 if test ${lt_cv_path_LD+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -z "$LD"; then
+else case e in #(
+  e) if test -z "$LD"; then
   lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
   for ac_dir in $PATH; do
     IFS=$lt_save_ifs
@@ -22323,7 +22744,8 @@ else $as_nop
   IFS=$lt_save_ifs
 else
   lt_cv_path_LD=$LD # Let the user override the test with a path.
-fi
+fi ;;
+esac
 fi
 
 LD=$lt_cv_path_LD
@@ -22340,8 +22762,8 @@ printf %s "checking if the linker ($LD) is GNU ld... " >&6; }
 if test ${lt_cv_prog_gnu_ld+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  # I'd rather use --version here, but apparently some GNU lds only accept -v.
+else case e in #(
+  e) # I'd rather use --version here, but apparently some GNU lds only accept -v.
 case `$LD -v 2>&1 </dev/null` in
 *GNU* | *'with BFD'*)
   lt_cv_prog_gnu_ld=yes
@@ -22349,6 +22771,7 @@ case `$LD -v 2>&1 </dev/null` in
 *)
   lt_cv_prog_gnu_ld=no
   ;;
+esac ;;
 esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_gnu_ld" >&5
@@ -22548,8 +22971,8 @@ else
   if test ${lt_cv_aix_libpath__CXX+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -22581,7 +23004,8 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam \
   if test -z "$lt_cv_aix_libpath__CXX"; then
     lt_cv_aix_libpath__CXX=/usr/lib:/lib
   fi
-
+   ;;
+esac
 fi
 
   aix_libpath=$lt_cv_aix_libpath__CXX
@@ -22604,8 +23028,8 @@ else
   if test ${lt_cv_aix_libpath__CXX+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -22637,7 +23061,8 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam \
   if test -z "$lt_cv_aix_libpath__CXX"; then
     lt_cv_aix_libpath__CXX=/usr/lib:/lib
   fi
-
+   ;;
+esac
 fi
 
   aix_libpath=$lt_cv_aix_libpath__CXX
@@ -24009,8 +24434,9 @@ printf %s "checking for $compiler option to produce PIC... " >&6; }
 if test ${lt_cv_prog_compiler_pic_CXX+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_prog_compiler_pic_CXX=$lt_prog_compiler_pic_CXX
+else case e in #(
+  e) lt_cv_prog_compiler_pic_CXX=$lt_prog_compiler_pic_CXX ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_CXX" >&5
 printf "%s\n" "$lt_cv_prog_compiler_pic_CXX" >&6; }
@@ -24025,8 +24451,8 @@ printf %s "checking if $compiler PIC flag $lt_prog_compiler_pic_CXX works... " >
 if test ${lt_cv_prog_compiler_pic_works_CXX+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_prog_compiler_pic_works_CXX=no
+else case e in #(
+  e) lt_cv_prog_compiler_pic_works_CXX=no
    ac_outfile=conftest.$ac_objext
    echo "$lt_simple_compile_test_code" > conftest.$ac_ext
    lt_compiler_flag="$lt_prog_compiler_pic_CXX -DPIC"  ## exclude from sc_useless_quotes_in_assignment
@@ -24054,7 +24480,8 @@ else $as_nop
      fi
    fi
    $RM conftest*
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works_CXX" >&5
 printf "%s\n" "$lt_cv_prog_compiler_pic_works_CXX" >&6; }
@@ -24084,8 +24511,8 @@ printf %s "checking if $compiler static flag $lt_tmp_static_flag works... " >&6;
 if test ${lt_cv_prog_compiler_static_works_CXX+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_prog_compiler_static_works_CXX=no
+else case e in #(
+  e) lt_cv_prog_compiler_static_works_CXX=no
    save_LDFLAGS=$LDFLAGS
    LDFLAGS="$LDFLAGS $lt_tmp_static_flag"
    echo "$lt_simple_link_test_code" > conftest.$ac_ext
@@ -24106,7 +24533,8 @@ else $as_nop
    fi
    $RM -r conftest*
    LDFLAGS=$save_LDFLAGS
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works_CXX" >&5
 printf "%s\n" "$lt_cv_prog_compiler_static_works_CXX" >&6; }
@@ -24125,8 +24553,8 @@ printf %s "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
 if test ${lt_cv_prog_compiler_c_o_CXX+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_prog_compiler_c_o_CXX=no
+else case e in #(
+  e) lt_cv_prog_compiler_c_o_CXX=no
    $RM -r conftest 2>/dev/null
    mkdir conftest
    cd conftest
@@ -24166,7 +24594,8 @@ else $as_nop
    cd ..
    $RM -r conftest
    $RM conftest*
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o_CXX" >&5
 printf "%s\n" "$lt_cv_prog_compiler_c_o_CXX" >&6; }
@@ -24178,8 +24607,8 @@ printf %s "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
 if test ${lt_cv_prog_compiler_c_o_CXX+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_prog_compiler_c_o_CXX=no
+else case e in #(
+  e) lt_cv_prog_compiler_c_o_CXX=no
    $RM -r conftest 2>/dev/null
    mkdir conftest
    cd conftest
@@ -24219,7 +24648,8 @@ else $as_nop
    cd ..
    $RM -r conftest
    $RM conftest*
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o_CXX" >&5
 printf "%s\n" "$lt_cv_prog_compiler_c_o_CXX" >&6; }
@@ -24324,8 +24754,8 @@ printf %s "checking whether -lc should be explicitly linked in... " >&6; }
 if test ${lt_cv_archive_cmds_need_lc_CXX+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  $RM conftest*
+else case e in #(
+  e) $RM conftest*
 	echo "$lt_simple_compile_test_code" > conftest.$ac_ext
 
 	if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
@@ -24361,7 +24791,8 @@ else $as_nop
 	  cat conftest.err 1>&5
 	fi
 	$RM conftest*
-
+	 ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc_CXX" >&5
 printf "%s\n" "$lt_cv_archive_cmds_need_lc_CXX" >&6; }
@@ -24925,8 +25356,8 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
   if test ${lt_cv_shlibpath_overrides_runpath+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  lt_cv_shlibpath_overrides_runpath=no
+else case e in #(
+  e) lt_cv_shlibpath_overrides_runpath=no
     save_LDFLAGS=$LDFLAGS
     save_libdir=$libdir
     eval "libdir=/foo; wl=\"$lt_prog_compiler_wl_CXX\"; \
@@ -24953,7 +25384,8 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
     LDFLAGS=$save_LDFLAGS
     libdir=$save_libdir
-
+     ;;
+esac
 fi
 
   shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath
@@ -25368,8 +25800,8 @@ cat >confcache <<\_ACEOF
 # config.status only pays attention to the cache file if you give it
 # the --recheck option to rerun configure.
 #
-# `ac_cv_env_foo' variables (set or unset) will be overridden when
-# loading this file, other *unset* `ac_cv_foo' will be assigned the
+# 'ac_cv_env_foo' variables (set or unset) will be overridden when
+# loading this file, other *unset* 'ac_cv_foo' will be assigned the
 # following values.
 
 _ACEOF
@@ -25399,14 +25831,14 @@ printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;}
   (set) 2>&1 |
     case $as_nl`(ac_space=' '; set) 2>&1` in #(
     *${as_nl}ac_space=\ *)
-      # `set' does not quote correctly, so add quotes: double-quote
+      # 'set' does not quote correctly, so add quotes: double-quote
       # substitution turns \\\\ into \\, and sed turns \\ into \.
       sed -n \
 	"s/'/'\\\\''/g;
 	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
       ;; #(
     *)
-      # `set' quotes correctly as required by POSIX, so do not add quotes.
+      # 'set' quotes correctly as required by POSIX, so do not add quotes.
       sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
       ;;
     esac |
@@ -25568,7 +26000,6 @@ cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-as_nop=:
 if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
@@ -25577,12 +26008,13 @@ then :
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else $as_nop
-  case `(set -o) 2>/dev/null` in #(
+else case e in #(
+  e) case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
   *) :
      ;;
+esac ;;
 esac
 fi
 
@@ -25654,7 +26086,7 @@ IFS=$as_save_IFS
 
      ;;
 esac
-# We did not find ourselves, most probably we were run as `sh COMMAND'
+# We did not find ourselves, most probably we were run as 'sh COMMAND'
 # in which case we are not to be found in the path.
 if test "x$as_myself" = x; then
   as_myself=$0
@@ -25683,7 +26115,6 @@ as_fn_error ()
 } # as_fn_error
 
 
-
 # as_fn_set_status STATUS
 # -----------------------
 # Set $? to STATUS, without forking.
@@ -25723,11 +26154,12 @@ then :
   {
     eval $1+=\$2
   }'
-else $as_nop
-  as_fn_append ()
+else case e in #(
+  e) as_fn_append ()
   {
     eval $1=\$$1\$2
-  }
+  } ;;
+esac
 fi # as_fn_append
 
 # as_fn_arith ARG...
@@ -25741,11 +26173,12 @@ then :
   {
     as_val=$(( $* ))
   }'
-else $as_nop
-  as_fn_arith ()
+else case e in #(
+  e) as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
-  }
+  } ;;
+esac
 fi # as_fn_arith
 
 
@@ -25828,9 +26261,9 @@ if (echo >conf$$.file) 2>/dev/null; then
   if ln -s conf$$.file conf$$ 2>/dev/null; then
     as_ln_s='ln -s'
     # ... but there are two gotchas:
-    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -pR'.
+    # 1) On MSYS, both 'ln -s file dir' and 'ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; 'ln -s' creates a wrapper executable.
+    # In both cases, we have to default to 'cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
       as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
@@ -25911,10 +26344,12 @@ as_test_x='test -x'
 as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
-as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+as_sed_cpp="y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
+as_tr_cpp="eval sed '$as_sed_cpp'" # deprecated
 
 # Sed expression to map a string onto a valid variable name.
-as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+as_sed_sh="y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
+as_tr_sh="eval sed '$as_sed_sh'" # deprecated
 
 
 exec 6>&1
@@ -25929,8 +26364,8 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by log4cplus $as_me 2.1.0, which was
-generated by GNU Autoconf 2.71.  Invocation command line was
+This file was extended by log4cplus $as_me 2.1.1, which was
+generated by GNU Autoconf 2.72c.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -25962,7 +26397,7 @@ _ACEOF
 
 cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 ac_cs_usage="\
-\`$as_me' instantiates files and other configuration actions
+'$as_me' instantiates files and other configuration actions
 from templates according to the current configuration.  Unless the files
 and actions are specified as TAGs, all are instantiated by default.
 
@@ -25997,11 +26432,11 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-log4cplus config.status 2.1.0
-configured by $0, generated by GNU Autoconf 2.71,
+log4cplus config.status 2.1.1
+configured by $0, generated by GNU Autoconf 2.72c,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2021 Free Software Foundation, Inc.
+Copyright (C) 2023 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
@@ -26063,8 +26498,8 @@ do
     ac_need_defaults=false;;
   --he | --h)
     # Conflict between --help and --header
-    as_fn_error $? "ambiguous option: \`$1'
-Try \`$0 --help' for more information.";;
+    as_fn_error $? "ambiguous option: '$1'
+Try '$0 --help' for more information.";;
   --help | --hel | -h )
     printf "%s\n" "$ac_cs_usage"; exit ;;
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
@@ -26072,8 +26507,8 @@ Try \`$0 --help' for more information.";;
     ac_cs_silent=: ;;
 
   # This is an error.
-  -*) as_fn_error $? "unrecognized option: \`$1'
-Try \`$0 --help' for more information." ;;
+  -*) as_fn_error $? "unrecognized option: '$1'
+Try '$0 --help' for more information." ;;
 
   *) as_fn_append ac_config_targets " $1"
      ac_need_defaults=false ;;
@@ -26528,7 +26963,7 @@ do
     "tests/propertyconfig_test/log4cplus.properties") CONFIG_FILES="$CONFIG_FILES tests/propertyconfig_test/log4cplus.properties" ;;
     "tests/propertyconfig_test/log4cplus.tail.properties") CONFIG_FILES="$CONFIG_FILES tests/propertyconfig_test/log4cplus.tail.properties" ;;
 
-  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+  *) as_fn_error $? "invalid argument: '$ac_config_target'" "$LINENO" 5;;
   esac
 done
 
@@ -26548,7 +26983,7 @@ fi
 # creating and moving files from /tmp can sometimes cause problems.
 # Hook for its removal unless debugging.
 # Note that there is a small window in which the directory will not be cleaned:
-# after its creation but before its name has been assigned to `$tmp'.
+# after its creation but before its name has been assigned to '$tmp'.
 $debug ||
 {
   tmp= ac_tmp=
@@ -26572,7 +27007,7 @@ ac_tmp=$tmp
 
 # Set up the scripts for CONFIG_FILES section.
 # No need to generate them if there are no CONFIG_FILES.
-# This happens for instance with `./config.status config.h'.
+# This happens for instance with './config.status config.h'.
 if test -n "$CONFIG_FILES"; then
 
 
@@ -26730,13 +27165,13 @@ fi # test -n "$CONFIG_FILES"
 
 # Set up the scripts for CONFIG_HEADERS section.
 # No need to generate them if there are no CONFIG_HEADERS.
-# This happens for instance with `./config.status Makefile'.
+# This happens for instance with './config.status Makefile'.
 if test -n "$CONFIG_HEADERS"; then
 cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
 BEGIN {
 _ACEOF
 
-# Transform confdefs.h into an awk script `defines.awk', embedded as
+# Transform confdefs.h into an awk script 'defines.awk', embedded as
 # here-document in config.status, that substitutes the proper values into
 # config.h.in to produce config.h.
 
@@ -26846,7 +27281,7 @@ do
   esac
   case $ac_mode$ac_tag in
   :[FHL]*:*);;
-  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
+  :L* | :C*:*) as_fn_error $? "invalid tag '$ac_tag'" "$LINENO" 5;;
   :[FH]-) ac_tag=-:-;;
   :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
   esac
@@ -26868,19 +27303,19 @@ do
       -) ac_f="$ac_tmp/stdin";;
       *) # Look for the file first in the build tree, then in the source tree
 	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
-	 # because $ac_f cannot contain `:'.
+	 # because $ac_f cannot contain ':'.
 	 test -f "$ac_f" ||
 	   case $ac_f in
 	   [\\/$]*) false;;
 	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
 	   esac ||
-	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
+	   as_fn_error 1 "cannot find input file: '$ac_f'" "$LINENO" 5;;
       esac
       case $ac_f in *\'*) ac_f=`printf "%s\n" "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
       as_fn_append ac_file_inputs " '$ac_f'"
     done
 
-    # Let's still pretend it is `configure' which instantiates (i.e., don't
+    # Let's still pretend it is 'configure' which instantiates (i.e., don't
     # use $as_me), people would be surprised to read:
     #    /* config.h.  Generated by config.status.  */
     configure_input='Generated from '`
@@ -27013,7 +27448,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 esac
 _ACEOF
 
-# Neutralize VPATH when `$srcdir' = `.'.
+# Neutralize VPATH when '$srcdir' = '.'.
 # Shell code in configure.ac might set extrasub.
 # FIXME: do we really want to maintain this feature?
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
@@ -27044,9 +27479,9 @@ test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
   { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
   { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
       "$ac_tmp/out"`; test -z "$ac_out"; } &&
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable 'datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&5
-printf "%s\n" "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+printf "%s\n" "$as_me: WARNING: $ac_file contains a reference to the variable 'datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&2;}
 
   rm -f "$ac_tmp/stdin"
@@ -27125,7 +27560,7 @@ printf "%s\n" "$as_me: executing $ac_file commands" >&6;}
     "tests/atconfig":C) cat >tests/atconfig <<ATEOF
 # Configurable variable values for building test suites.
 # Generated by $0.
-# Copyright (C) 2021 Free Software Foundation, Inc.
+# Copyright (C) 2023 Free Software Foundation, Inc.
 
 # The test suite will define top_srcdir=$at_top_srcdir/../.. etc.
 at_testdir='tests'
@@ -27226,15 +27661,15 @@ printf "%s\n" X/"$am_mf" |
    (exit $ac_status); } || am_rc=$?
   done
   if test $am_rc -ne 0; then
-    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "Something went wrong bootstrapping makefile fragments
     for automatic dependency tracking.  If GNU make was not used, consider
     re-running the configure script with MAKE=\"gmake\" (or whatever is
     necessary).  You can also try re-running configure with the
     '--disable-dependency-tracking' option to at least be able to build
     the package (albeit without support for automatic dependency tracking).
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; }
   fi
   { am_dirpart=; unset am_dirpart;}
   { am_filepart=; unset am_filepart;}
diff --git a/tests/testsuite b/tests/testsuite
index 52cee093a..d1c9303e8 100755
--- a/tests/testsuite
+++ b/tests/testsuite
@@ -1,7 +1,7 @@
 #! /bin/sh
-# Generated from testsuite.at by GNU Autoconf 2.71.
+# Generated from testsuite.at by GNU Autoconf 2.72c.
 #
-# Copyright (C) 2009-2017, 2020-2021 Free Software Foundation, Inc.
+# Copyright (C) 2009-2017, 2020-2023 Free Software Foundation, Inc.
 #
 # This test suite is free software; the Free Software Foundation gives
 # unlimited permission to copy, distribute and modify it.
@@ -11,7 +11,6 @@
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-as_nop=:
 if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
@@ -20,12 +19,13 @@ then :
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else $as_nop
-  case `(set -o) 2>/dev/null` in #(
+else case e in #(
+  e) case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
   *) :
      ;;
+esac ;;
 esac
 fi
 
@@ -97,7 +97,7 @@ IFS=$as_save_IFS
 
      ;;
 esac
-# We did not find ourselves, most probably we were run as `sh COMMAND'
+# We did not find ourselves, most probably we were run as 'sh COMMAND'
 # in which case we are not to be found in the path.
 if test "x$as_myself" = x; then
   as_myself=$0
@@ -109,8 +109,7 @@ fi
 
 
 if test "x$CONFIG_SHELL" = x; then
-  as_bourne_compatible="as_nop=:
-if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+  as_bourne_compatible="if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
   NULLCMD=:
@@ -118,12 +117,13 @@ then :
   # is contrary to our usage.  Disable this feature.
   alias -g '\${1+\"\$@\"}'='\"\$@\"'
   setopt NO_GLOB_SUBST
-else \$as_nop
-  case \`(set -o) 2>/dev/null\` in #(
+else case e in #(
+  e) case \`(set -o) 2>/dev/null\` in #(
   *posix*) :
     set -o posix ;; #(
   *) :
      ;;
+esac ;;
 esac
 fi
 "
@@ -141,8 +141,9 @@ as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
 if ( set x; as_fn_ret_success y && test x = \"\$1\" )
 then :
 
-else \$as_nop
-  exitcode=1; echo positional parameters were not saved.
+else case e in #(
+  e) exitcode=1; echo positional parameters were not saved. ;;
+esac
 fi
 test x\$exitcode = x0 || exit 1
 blah=\$(echo \$(echo blah))
@@ -156,14 +157,15 @@ test \$(( 1 + 1 )) = 2 || exit 1"
   if (eval "$as_required") 2>/dev/null
 then :
   as_have_required=yes
-else $as_nop
-  as_have_required=no
+else case e in #(
+  e) as_have_required=no ;;
+esac
 fi
   if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null
 then :
 
-else $as_nop
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+else case e in #(
+  e) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 as_found=false
 for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
 do
@@ -196,12 +198,13 @@ IFS=$as_save_IFS
 if $as_found
 then :
 
-else $as_nop
-  if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+else case e in #(
+  e) if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
 	      as_run=a "$SHELL" -c "$as_bourne_compatible""$as_required" 2>/dev/null
 then :
   CONFIG_SHELL=$SHELL as_have_required=yes
-fi
+fi ;;
+esac
 fi
 
 
@@ -223,7 +226,7 @@ case $- in # ((((
 esac
 exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
 # Admittedly, this is quite paranoid, since all the known shells bail
-# out after a failed `exec'.
+# out after a failed 'exec'.
 printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
 exit 255
 fi
@@ -242,7 +245,8 @@ $0: message. Then install a modern shell, or manually run
 $0: the script under such a shell if you do have one."
   fi
   exit 1
-fi
+fi ;;
+esac
 fi
 fi
 SHELL=${CONFIG_SHELL-/bin/sh}
@@ -281,14 +285,6 @@ as_fn_exit ()
   as_fn_set_status $1
   exit $1
 } # as_fn_exit
-# as_fn_nop
-# ---------
-# Do nothing but, unlike ":", preserve the value of $?.
-as_fn_nop ()
-{
-  return $?
-}
-as_nop=as_fn_nop
 
 # as_fn_mkdir_p
 # -------------
@@ -357,11 +353,12 @@ then :
   {
     eval $1+=\$2
   }'
-else $as_nop
-  as_fn_append ()
+else case e in #(
+  e) as_fn_append ()
   {
     eval $1=\$$1\$2
-  }
+  } ;;
+esac
 fi # as_fn_append
 
 # as_fn_arith ARG...
@@ -375,11 +372,12 @@ then :
   {
     as_val=$(( $* ))
   }'
-else $as_nop
-  as_fn_arith ()
+else case e in #(
+  e) as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
-  }
+  } ;;
+esac
 fi # as_fn_arith
 
 
@@ -455,6 +453,8 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
     /[$]LINENO/=
   ' <$as_myself |
     sed '
+      t clear
+      :clear
       s/[$]LINENO.*/&-/
       t lineno
       b
@@ -503,7 +503,6 @@ esac
 as_echo='printf %s\n'
 as_echo_n='printf %s'
 
-
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
   rm -f conf$$.dir/conf$$.file
@@ -515,9 +514,9 @@ if (echo >conf$$.file) 2>/dev/null; then
   if ln -s conf$$.file conf$$ 2>/dev/null; then
     as_ln_s='ln -s'
     # ... but there are two gotchas:
-    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -pR'.
+    # 1) On MSYS, both 'ln -s file dir' and 'ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; 'ln -s' creates a wrapper executable.
+    # In both cases, we have to default to 'cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
       as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
@@ -542,10 +541,12 @@ as_test_x='test -x'
 as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
-as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+as_sed_cpp="y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
+as_tr_cpp="eval sed '$as_sed_cpp'" # deprecated
 
 # Sed expression to map a string onto a valid variable name.
-as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+as_sed_sh="y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
+as_tr_sh="eval sed '$as_sed_sh'" # deprecated
 
 
 
@@ -575,7 +576,7 @@ at_traceon=:
 at_trace_echo=:
 at_check_filter_trace=:
 
-# Shall we keep the debug scripts?  Must be `:' when the suite is
+# Shall we keep the debug scripts?  Must be ':' when the suite is
 # run by a debug script, so that the script doesn't remove itself.
 at_debug_p=false
 # Display help message?
@@ -606,7 +607,7 @@ at_change_dir=false
 # Whether to enable colored test results.
 at_color=auto
 # As many question marks as there are digits in the last test group number.
-# Used to normalize the test group numbers so that `ls' lists them in
+# Used to normalize the test group numbers so that 'ls' lists them in
 # numerical order.
 at_format='??'
 # Description of all the test groups.
@@ -881,7 +882,7 @@ do
 	# Reject names that are not valid shell variable names.
 	case $at_envvar in
 	  '' | [0-9]* | *[!_$as_cr_alnum]* )
-	    as_fn_error $? "invalid variable name: \`$at_envvar'" ;;
+	    as_fn_error $? "invalid variable name: '$at_envvar'" ;;
 	esac
 	at_value=`printf "%s\n" "$at_optarg" | sed "s/'/'\\\\\\\\''/g"`
 	# Export now, but save eval for later and for debug scripts.
@@ -890,7 +891,7 @@ do
 	;;
 
      *) printf "%s\n" "$as_me: invalid option: $at_option" >&2
-	printf "%s\n" "Try \`$0 --help' for more information." >&2
+	printf "%s\n" "Try '$0 --help' for more information." >&2
 	exit 1
 	;;
   esac
@@ -899,7 +900,7 @@ done
 # Verify our last option didn't require an argument
 if test -n "$at_prev"
 then :
-  as_fn_error $? "\`$at_prev' requires an argument"
+  as_fn_error $? "'$at_prev' requires an argument"
 fi
 
 # The file containing the suite.
@@ -945,7 +946,7 @@ Run all the tests, or the selected TESTS, given by numeric ranges, and
 save a detailed log file.  Upon failure, create debugging scripts.
 
 Do not change environment variables directly.  Instead, set them via
-command line arguments.  Set \`AUTOTEST_PATH' to select the executables
+command line arguments.  Set 'AUTOTEST_PATH' to select the executables
 to exercise.  Each relative directory is expanded as build and source
 directories relative to the top level of this distribution.
 E.g., from within the build directory /tmp/foo-1.0, invoking this:
@@ -975,7 +976,7 @@ Execution tuning:
                  Allow N jobs at once; infinite jobs with no arg (default 1)
   -k, --keywords=KEYWORDS
                  select the tests matching all the comma-separated KEYWORDS
-                 multiple \`-k' accumulate; prefixed \`!' negates a KEYWORD
+                 multiple '-k' accumulate; prefixed '!' negates a KEYWORD
       --recheck  select all tests that failed or passed unexpectedly last time
   -e, --errexit  abort as soon as a test fails; implies --debug
   -v, --verbose  force more detailed output
@@ -1038,7 +1039,7 @@ if $at_version_p; then
   printf "%s\n" "$as_me (log4cplus)" &&
   cat <<\_ATEOF || at_write_fail=1
 
-Copyright (C) 2021 Free Software Foundation, Inc.
+Copyright (C) 2023 Free Software Foundation, Inc.
 This test suite is free software; the Free Software Foundation gives
 unlimited permission to copy, distribute and modify it.
 _ATEOF
@@ -1125,7 +1126,7 @@ fi
 # | + ...           - files created during the group
 
 # The directory the whole suite works in.
-# Should be absolute to let the user `cd' at will.
+# Should be absolute to let the user 'cd' at will.
 at_suite_dir=$at_dir/$as_me.dir
 # The file containing the suite ($at_dir might have changed since earlier).
 at_suite_log=$at_dir/$as_me.log
@@ -1146,7 +1147,7 @@ fi
 # Don't take risks: use only absolute directories in PATH.
 #
 # For stand-alone test suites (ie. atconfig was not found),
-# AUTOTEST_PATH is relative to `.'.
+# AUTOTEST_PATH is relative to '.'.
 #
 # For embedded test suites, AUTOTEST_PATH is relative to the top level
 # of the package.  Then expand it into build/src parts, since users
@@ -1216,7 +1217,7 @@ export PATH
 
 
 
-# 5 is the log file.  Not to be overwritten if `-d'.
+# 5 is the log file.  Not to be overwritten if '-d'.
 if $at_debug_p; then
   at_suite_log=/dev/null
 else
@@ -1464,9 +1465,9 @@ printf "%s\n" "$as_me: starting at: $at_start_date" >&5
 
 # Create the master directory if it doesn't already exist.
 as_dir="$at_suite_dir"; as_fn_mkdir_p ||
-  as_fn_error $? "cannot create \`$at_suite_dir'" "$LINENO" 5
+  as_fn_error $? "cannot create '$at_suite_dir'" "$LINENO" 5
 
-# Can we diff with `/dev/null'?  DU 5.0 refuses.
+# Can we diff with '/dev/null'?  DU 5.0 refuses.
 if diff /dev/null /dev/null >/dev/null 2>&1; then
   at_devnull=/dev/null
 else
@@ -1474,7 +1475,7 @@ else
   >"$at_devnull"
 fi
 
-# Use `diff -u' when possible.
+# Use 'diff -u' when possible.
 if at_diff=`diff -u "$at_devnull" "$at_devnull" 2>&1` && test -z "$at_diff"
 then
   at_diff='diff -u'
@@ -1501,7 +1502,7 @@ BEGIN { FS="" }
   as_fn_error $? "cannot create test line number cache" "$LINENO" 5
 rm -f "$at_suite_dir/at-source-lines"
 
-# Set number of jobs for `-j'; avoid more jobs than test groups.
+# Set number of jobs for '-j'; avoid more jobs than test groups.
 set X $at_groups; shift; at_max_jobs=$#
 if test $at_max_jobs -eq 0; then
   at_jobs=1
@@ -1578,7 +1579,7 @@ then
 fi ||
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: test directory for $at_group_normalized could not be cleaned" >&5
 printf "%s\n" "$as_me: WARNING: test directory for $at_group_normalized could not be cleaned" >&2;}
-  # Be tolerant if the above `rm' was not able to remove the directory.
+  # Be tolerant if the above 'rm' was not able to remove the directory.
   as_dir="$at_group_dir"; as_fn_mkdir_p
 
   echo 0 > "$at_status_file"
@@ -1617,7 +1618,7 @@ at_fn_group_banner ()
 at_fn_group_postprocess ()
 {
   # Be sure to come back to the suite directory, in particular
-  # since below we might `rm' the group directory we are in currently.
+  # since below we might 'rm' the group directory we are in currently.
   cd "$at_suite_dir"
 
   if test ! -f "$at_check_line_file"; then
@@ -2038,7 +2039,7 @@ _ASBOX
   if $at_debug_p; then
     at_msg='per-test log files'
   else
-    at_msg="\`${at_testdir+${at_testdir}/}$as_me.log'"
+    at_msg="'${at_testdir+${at_testdir}/}$as_me.log'"
   fi
   at_msg1a=${at_xpass_list:+', '}
   at_msg1=$at_fail_list${at_fail_list:+" failed$at_msg1a"}
@@ -2051,7 +2052,7 @@ _ASBOX
 
 You may investigate any problem if you feel able to do so, in which
 case the test suite provides a good starting point.  Its output may
-be found below \`${at_testdir+${at_testdir}/}$as_me.dir'.
+be found below '${at_testdir+${at_testdir}/}$as_me.dir'.
 "
   exit 1
 fi