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configure.ac
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dnl +------------------------------------------------------------------+
dnl | Network UPS Tools: configure.ac |
dnl +------------------------------------------------------------------+
dnl NUT version number is defined here, with a Git suffixed macro like
dnl NUT_VERSION_MACRO "2.7.4-2838-gdfc3ac08"
dnl in include/nut_version.h (generated by make)
AC_INIT([nut],[2.7.4.1],[https://github.com/networkupstools/nut/issues])
AC_CONFIG_AUX_DIR([.])
AC_CONFIG_SRCDIR(server/upsd.c)
AC_CONFIG_MACRO_DIR([m4])
echo "Network UPS Tools version ${PACKAGE_VERSION}"
AC_CANONICAL_TARGET
NUT_CHECK_OS
NUT_STASH_WARNINGS
AC_CONFIG_HEADERS([include/config.h])
AC_PREFIX_DEFAULT(/usr/local/ups)
AM_INIT_AUTOMAKE([subdir-objects])
dnl we need Autoconf 2.61 or better to enable features of Posix that are extensions to C
AC_MSG_CHECKING(for autoconf macro to enable system extensions)
m4_version_prereq(2.61, [
AC_MSG_RESULT(yes)
AC_USE_SYSTEM_EXTENSIONS
], [
AC_MSG_RESULT(no)
])
dnl Use "./configure --enable-maintainer-mode" to keep Makefile.in and Makefile
dnl in sync after Git updates.
AM_MAINTAINER_MODE
dnl Some systems have older autotools without direct macro support for PKG_CONF*
NUT_CHECK_PKGCONFIG
dnl Various version related processing
dnl ----------------------------------
dnl # the following is commented out, because the UPS_VERSION macro now
dnl # resides in include/nut_version.h, which is generated by Makefile.am,
dnl # rather than in include/config.h, which is generated by configure. The
dnl # reason is that the SVN revision should be computed at compile time,
dnl # not configure time.
dnl AC_DEFINE_UNQUOTED(UPS_VERSION, "${PACKAGE_VERSION}", [NUT version])
dnl However, automatically define the tree version (mostly for AC_SUBST)
TREE_VERSION="`echo ${PACKAGE_VERSION} | awk '{ print substr($0,1,3) }'`"
AC_DEFINE_UNQUOTED(TREE_VERSION, "${TREE_VERSION}", [NUT tree version])
dnl Should not be necessary, since old servers have well-defined errors for
dnl unsupported commands:
NUT_NETVERSION="1.2"
AC_DEFINE_UNQUOTED(NUT_NETVERSION, "${NUT_NETVERSION}", [NUT network protocol version])
dnl Fix this early so we can expand with eval later
test "${prefix}" = "NONE" && prefix="${ac_default_prefix}"
test "${exec_prefix}" = "NONE" && exec_prefix='${prefix}'
CFLAGS=${CFLAGS-"-O"}
dnl NOTE: for definition of NUT_* autoconf macros, see m4/ directory
dnl and docs/macros.txt
dnl +------------------------------------------------------------------+
dnl | default values for things later on (can be overridden) |
STATEPATH="/var/state/ups"
cgiexecdir='${exec_prefix}/cgi-bin'
driverexecdir='${exec_prefix}/bin'
htmldir='${prefix}/html'
pkgconfigdir='${libdir}/pkgconfig'
auglensdir='/usr/share/augeas/lenses/dist'
if test ! -d "${auglensdir}"; then
auglensdir='/usr/share/augeas/lenses'
if test ! -d "${auglensdir}"; then
auglensdir=''
fi
fi
hotplugdir='/etc/hotplug'
if test ! -d "${hotplugdir}"; then
hotplugdir=''
fi
udevdir='/lib/udev'
if test ! -d "${udevdir}"; then
udevdir='/etc/udev'
if test ! -d "${udevdir}"; then
udevdir=''
fi
fi
devddir='/usr/local/etc/devd'
if test ! -d "${devddir}"; then
devddir='/etc/devd'
if test ! -d "${devddir}"; then
devddir=''
fi
fi
RUN_AS_USER="nobody"
RUN_AS_GROUP="nobody"
PIDPATH="/var/run"
dnl Define directory where LIBOBJS replacement functions are
AC_CONFIG_LIBOBJ_DIR([common])
dnl +-------------------------------------------------------------------
dnl AC_PROG_CC
dnl Macro AC_PROG_CC_C99 is obsolete; use AC_PROG_CC
dnl Note that NUT does not support building with C89 anyway
dnl AC_PROG_CC_C99
dnl Needed for per-target flags
AM_PROG_CC_C_O
AC_PROG_CPP
AC_PROG_CXX
AC_PROG_CXX_C_O
AC_PROG_INSTALL
AC_PROG_MKDIR_P
AC_PROG_LN_S
AC_PROG_EGREP
AC_PATH_PROG(AR, ar)
AC_CHECK_TOOL(RANLIB, ranlib, :)
dnl Postpone call to LT_INIT/AC_CONFIG_FILES to allow disabling static lib
AC_C_BIGENDIAN
AC_C_INLINE
AC_C_FLEXIBLE_ARRAY_MEMBER
AC_C_VARARRAYS
dnl Note: the compiler/pragma/attr methods below are custom for NUT codebase:
NUT_COMPILER_FAMILY
dnl Help find warning/error details in a wall of text (must be processed before NUT_COMPILER_FAMILY_FLAGS):
NUT_ARG_ENABLE([Wcolor],
[Request that compiler output is colorized (no = leave it up to compiler defaults)],
[no])
NUT_COMPILER_FAMILY_FLAGS
AX_C_PRAGMAS
AX_C___ATTRIBUTE__
AX_C_PRINTF_STRING_NULL
AC_CHECK_FUNCS(flock lockf fcvt fcvtl pow10 round abs_val abs)
AC_CHECK_HEADER([float.h],
[AC_DEFINE([HAVE_FLOAT_H], [1],
[Define to 1 if you have <float.h>.])])
AC_CHECK_HEADER([math.h],
[AC_DEFINE([HAVE_MATH_H], [1],
[Define to 1 if you have <math.h>.])])
AC_CHECK_FUNCS(fabs fabsf fabsl, [], [],
[#ifdef HAVE_MATH_H
# include <math.h>
#endif
#ifdef HAVE_FLOAT_H
# include <float.h>
#endif])
AC_CHECK_HEADER([limits.h],
[AC_DEFINE([HAVE_LIMITS_H], [1],
[Define to 1 if you have <limits.h>.])])
AC_CHECK_HEADER([signal.h],
[AC_DEFINE([HAVE_SIGNAL_H], [1],
[Define to 1 if you have <signal.h>.])])
AC_CHECK_HEADER([sys/signal.h],
[AC_DEFINE([HAVE_SYS_SIGNAL_H], [1],
[Define to 1 if you have <sys/signal.h>.])])
AC_CHECK_HEADER([sys/resource.h],
[AC_MSG_CHECKING([for struct rlimit and getrlimit()])
AC_LANG_PUSH([C])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#include <sys/resource.h>
],
[struct rlimit limit;
getrlimit(RLIMIT_NOFILE, &limit);
/* Do not care about actual return value in this test,
* normally check for non-zero meaning to look in errno */
]
)],
[AC_DEFINE([HAVE_SYS_RESOURCE_H], [1],
[Define to 1 if you have <sys/resource.h> with usable struct rlimit and getrlimit().])
AC_MSG_RESULT([ok])
],
[AC_MSG_RESULT([no])]
)
AC_LANG_POP([C])
]
)
AC_CHECK_HEADER([semaphore.h],
[AC_DEFINE([HAVE_SEMAPHORE_H], [1],
[Define to 1 if you have <sys/semaphore.h>.])
AC_MSG_CHECKING([for sem_t, sem_init() and sem_destroy()])
AC_LANG_PUSH([C])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#include <semaphore.h>
],
[sem_t semaphore;
sem_init(&semaphore, 0, 4);
sem_destroy(&semaphore);
/* Do not care about actual return value in this test,
* normally check for non-zero meaning to look in errno */
]
)],
[AC_DEFINE([HAVE_SEMAPHORE], [1],
[Define to 1 if you have <sys/semaphore.h> with usable sem_t sem_init() and sem_destroy().])
AC_MSG_RESULT([ok])
],
[AC_MSG_RESULT([no])]
)
AC_LANG_POP([C])
]
)
AC_CHECK_FUNCS(cfsetispeed tcsendbreak)
AC_CHECK_FUNCS(seteuid setsid getpassphrase)
AC_CHECK_FUNCS(on_exit strptime setlogmask)
AC_CHECK_DECLS(LOG_UPTO, [], [], [#include <syslog.h>])
dnl These common routines are not available in strict C standard library
dnl compilation modes (not part of ANSI or later standard), only in GNU,
dnl POSIX or other extension modes. Note that on modern systems they are
dnl available, just hidden in headers - so AC_CHECK_FUNCS() finds them
dnl by adding a declaration, while the "real" codebase can't use them.
AC_MSG_NOTICE(
[-----------------------------------------------------------------------
The next few tests look for required C library routines; if something is
not found, you may need to enable a different C standard or extension macro
version. You may also have to configure without extreme warning levels
since autotools tests fail those on their own and assume system lacks
stuff (although note we try to not involve standard -W* flags here).
-----------------------------------------------------------------------])
dnl# AC_CHECK_FUNCS(strcasecmp strncasecmp,
dnl# [], [AC_MSG_WARN([Required C library routine not found; try adding __EXTENSIONS__])])
dnl These appear with CFLAGS="-std=c99 -D_POSIX_C_SOURCE=200112L":
dnl# Methods below currently do not cause build errors for C99+ modes so are
dnl# not tested as thoroughly as those further below:
AC_CHECK_FUNCS(strtok_r fileno localtime_r sigemptyset sigaction,
[], [AC_MSG_WARN([Required C library routine not found; try adding -D_POSIX_C_SOURCE=200112L])])
AC_LANG_PUSH([C])
AC_CHECK_HEADER([string.h],
[AC_DEFINE([HAVE_STRING_H], [1],
[Define to 1 if you have <string.h>.])])
AC_CHECK_HEADER([strings.h],
[AC_DEFINE([HAVE_STRINGS_H], [1],
[Define to 1 if you have <strings.h>.])])
CODE_STRINGINCL='#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif'
AC_CACHE_CHECK([for strcasecmp(s1,s2)],
[ac_cv_func_strcasecmp],
[AC_RUN_IFELSE(
[AC_LANG_PROGRAM([$CODE_STRINGINCL],
[if (strcasecmp("STR1", "str1") != 0) return 1])],
[ac_cv_func_strcasecmp=yes], [ac_cv_func_strcasecmp=no]
)])
AS_IF([test x"${ac_cv_func_strcasecmp}" = xyes],
[AC_DEFINE([HAVE_STRCASECMP], 1, [defined if standard library has, and C standard allows, the strcasecmp(s1,s2) method])],
[AC_MSG_WARN([Required C library routine strcasecmp not found; try adding __EXTENSIONS__])]
)
AC_CACHE_CHECK([for strncasecmp(s1,s2,n)],
[ac_cv_func_strncasecmp],
[AC_RUN_IFELSE(
[AC_LANG_PROGRAM([$CODE_STRINGINCL],
[if (strncasecmp("STR1", "strX", 2) != 0) return 1])],
[ac_cv_func_strncasecmp=yes], [ac_cv_func_strncasecmp=no]
)])
AS_IF([test x"${ac_cv_func_strncasecmp}" = xyes],
[AC_DEFINE([HAVE_STRNCASECMP], 1, [defined if standard library has, and C standard allows, the strncasecmp(s1,s2,n) method])],
[AC_MSG_WARN([Required C library routine strncasecmp not found; try adding __EXTENSIONS__])]
)
AC_CACHE_CHECK([for strdup(s)],
[ac_cv_func_strdup],
[AC_RUN_IFELSE(
[AC_LANG_PROGRAM([$CODE_STRINGINCL],
[[int res = 0;
char *t = "Test";
char *s = strdup(t);
if (!s || !(s[0]=='T'&&s[1]=='e'&&s[2]=='s'&&s[3]=='t'&&s[4]=='\0') || s == t) res = 1;
if (s) free (s);
if (res != 0) return res
/* autoconf adds ";return 0;" */
]])],
[ac_cv_func_strdup=yes], [ac_cv_func_strdup=no]
)])
AS_IF([test x"${ac_cv_func_strdup}" = xyes],
[AC_DEFINE([HAVE_STRDUP], 1, [defined if standard library has, and C standard allows, the strdup(s) method])],
[AC_MSG_WARN([Required C library routine strdup not found; try adding -D_POSIX_C_SOURCE=200112L])]
)
AC_CACHE_CHECK([for usleep(us)],
[ac_cv_func_usleep],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <unistd.h>
]],
[[useconds_t us = 1000;
if (usleep(us) != 0) return 1 /* per doc, no erros are returned actually*/
/* autoconf adds ";return 0;" */
]])],
[ac_cv_func_usleep=yes], [ac_cv_func_usleep=no]
)])
AS_IF([test x"${ac_cv_func_usleep}" = xyes],
[AC_DEFINE([HAVE_USLEEP], 1, [defined if standard library has, and C standard allows, the usleep(us) method])],
[AC_MSG_WARN([Required C library routine usleep not found; try adding -D_POSIX_C_SOURCE=200112L])]
)
AC_LANG_POP([C])
dnl These routines' arg types differ in strict C standard mode
dnl from what they use in the modes expected by NUT codebase:
dnl bind() : /usr/include/x86_64-linux-gnu/sys/socket.h:123:12: note: expected '__CONST_SOCKADDR_ARG {aka union <anonymous>}' but argument is of type 'struct sockaddr *'
dnl accept() : /usr/include/x86_64-linux-gnu/sys/socket.h:243:12: note: expected '__SOCKADDR_ARG {aka union <anonymous>}' but argument is of type 'struct sockaddr *'
dnl connect() : /usr/include/x86_64-linux-gnu/sys/socket.h:137:12: note: expected '__CONST_SOCKADDR_ARG {aka union <anonymous>}' but argument is of type 'const struct sockaddr *'
dnl sendto() : /usr/include/x86_64-linux-gnu/sys/socket.h:163:16: note: expected '__CONST_SOCKADDR_ARG {aka union <anonymous>}' but argument is of type 'struct sockaddr *'
dnl recvfrom() : /usr/include/x86_64-linux-gnu/bits/socket2.h:64:1: note: expected '__SOCKADDR_ARG {aka union <anonymous>}' but argument is of type 'struct sockaddr *'
AC_MSG_CHECKING([whether ln -sr works])
dnl We need to relative-symlink some files. Or hardlink. Or copy...
LN_S_R="cp -pR"
if test "$as_ln_s" = "ln -s" ; then
LN_S_R="ln"
DIR1="$(mktemp -d "dir1.XXXXXXX")" && \
DIR2="$(mktemp -d "dir2.XXXXXXX")" && \
touch "${DIR1}/a" && \
$as_ln_s -r "${DIR1}/a" "${DIR2}/b" && \
ls -la "${DIR2}/b" | grep '\.\./' > /dev/null && \
LN_S_R="$as_ln_s -r"
rm -rf "${DIR1}" "${DIR2}"
fi
AC_SUBST([LN_S_R], [${LN_S_R}])
if test "$LN_S_R" = "ln -s -r" ; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no, using $LN_S_R])
fi
dnl the following may add stuff to LIBOBJS (is this still needed?)
AC_CHECK_FUNCS(vsnprintf snprintf, [], [
AC_LIBOBJ(snprintf)
AC_TYPE_LONG_DOUBLE
AC_TYPE_LONG_LONG_INT
])
AC_REPLACE_FUNCS(setenv strerror atexit)
case ${target_os} in
solaris2* )
dnl On Solaris, this allows errno to use thread local storage
CFLAGS="${CFLAGS} -D_REENTRANT"
;;
aix* )
dnl On AIX, this allows errno to use thread local storage
CFLAGS="${CFLAGS} -D_REENTRANT"
;;
hpux11* )
dnl It seems like the thread safe string functions will not be included
dnl on 64 bit HP-UX unless we define _REENTRANT
CFLAGS="${CFLAGS} -D_REENTRANT"
;;
esac
dnl optind handling:
dnl need to check if unistd.h is enough, else try getopt.h, else need decls
AC_CHECK_DECLS(optind, [], [
AC_CHECK_HEADERS(getopt.h, [
AC_DEFINE(NEED_GETOPT_H, 1, [Define if getopt.h is needed])
], [
AC_DEFINE(NEED_GETOPT_DECLS, 1, [Define to use explicit getopt declarations])
], [AC_INCLUDES_DEFAULT])
], [AC_INCLUDES_DEFAULT])
dnl do a 2nd check to ensure inclusion of getopt.h, in case optind is known
AC_CHECK_HEADERS(getopt.h, [
AC_DEFINE(NEED_GETOPT_H, 1, [Define if getopt.h is needed])
], [
AC_DEFINE(NEED_GETOPT_DECLS, 1, [Define to use explicit getopt declarations])
], [AC_INCLUDES_DEFAULT])
dnl also check for getopt_long
AC_CHECK_FUNCS(getopt_long)
dnl FreeBSD serial locking compatibility - look for uu_lock in libutil.h
AC_CHECK_DECLS(uu_lock, [
AC_DEFINE(HAVE_UU_LOCK, 1, [Use uu_lock for locking (FreeBSD)])
SERLIBS="-lutil"
dnl put in some better defaults for FreeBSD
RUN_AS_USER="uucp"
], [
SERLIBS=""
], [
#include <sys/types.h>
#include <libutil.h>
])
AC_CHECK_DECLS(__func__, [], [
AC_CHECK_DECLS(__FUNCTION__, [
AC_DEFINE(__func__, __FUNCTION__, [Replace missing __func__ declaration])
], [
AC_DEFINE(__func__, __LINE__, [Replace missing __func__ declaration])
], [AC_INCLUDES_DEFAULT])
], [AC_INCLUDES_DEFAULT])
dnl Solaris compatibility - check for -lnsl and -lsocket
AC_SEARCH_LIBS(gethostbyname, nsl)
AC_SEARCH_LIBS(connect, socket)
dnl All current systems provide time.h; it need not be checked for.
dnl Not all systems provide sys/time.h, but those that do, all allow
dnl you to include it and time.h simultaneously.
dnl NUT codebase provides the include/timehead.h to wrap these nuances.
AC_CHECK_HEADERS_ONCE([sys/time.h time.h sys/types.h sys/socket.h netdb.h])
AS_IF([test "$ac_cv_header_sys_time_h" = yes],
[AC_DEFINE([TIME_WITH_SYS_TIME],[1],[Define to 1 if you can safely include both <sys/time.h>
and <time.h>. This macro is deemed obsolete by autotools.])
], [])
AC_CHECK_HEADERS(sys/modem.h stdarg.h varargs.h, [], [], [AC_INCLUDES_DEFAULT])
dnl pthread related checks
dnl Note: pthread_tryjoin_np() should be available since glibc 2.3.3, according
dnl to https://man7.org/linux/man-pages/man3/pthread_tryjoin_np.3.html
AC_SEARCH_LIBS([pthread_create], [pthread],
[AC_DEFINE(HAVE_PTHREAD, 1, [Define to enable pthread support code])
AC_SEARCH_LIBS([pthread_tryjoin_np], [pthread],
[AC_DEFINE(HAVE_PTHREAD_TRYJOIN, 1, [Define to enable pthread_tryjoin support code])],
[])
],
[])
dnl ----------------------------------------------------------------------
dnl Check for types and define possible replacements
NUT_TYPE_SOCKLEN_T
NUT_FUNC_GETNAMEINFO_ARGTYPES
dnl ----------------------------------------------------------------------
dnl Check for python binary program names per language version
dnl to embed into scripts and Make rules
NUT_CHECK_PYTHON
NUT_CHECK_PYTHON2
NUT_CHECK_PYTHON3
dnl ----------------------------------------------------------------------
dnl check for --with-drivers=all (or --with-drivers=name[,name...]) flag
dnl Autoconf versions before 2.62 do not allow consecutive quadrigraphs
dnl (square brackets), so the help string depends on the version used
AC_MSG_CHECKING(which drivers to build)
AC_ARG_WITH(drivers,
AS_HELP_STRING([m4_version_prereq(2.62,
[@<:@--with-drivers=driver@<:@,driver@:>@@:>@],
[[[[--with-drivers=driver@<:@,driver@:>@]]]])],
[Only build specific drivers (all)]),
[
case "${withval}" in
yes|no|'')
AC_MSG_ERROR(invalid option --with(out)-drivers - see docs/configure.txt)
;;
all)
dnl Explicit request to build all drivers (unless specified), or fail
DRIVER_BUILD_LIST="all"
if test -z "${with_serial}"; then with_serial="yes"; fi
if test -z "${with_usb}"; then with_usb="yes"; fi
if test -z "${with_snmp}"; then with_snmp="yes"; fi
if test -z "${with_neon}"; then with_neon="yes"; fi
if test -z "${with_powerman}"; then with_powerman="yes"; fi
if test -z "${with_modbus}"; then with_modbus="yes"; fi
if test -z "${with_ipmi}"; then with_ipmi="yes"; fi
dnl Platform-dependent snowflakes that are required or auto:
if test -z "${with_linux_i2c}"; then
case ${target_os} in
linux*) with_linux_i2c="yes";;
*) with_linux_i2c="auto";;
esac
fi
if test -z "${with_macosx_ups}"; then
if test -d /System/Library/Frameworks/IOKit.framework/ ; then
with_macosx_ups="yes"
else
with_macosx_ups="auto"
fi
fi
AC_MSG_RESULT(${DRIVER_BUILD_LIST})
;;
auto)
dnl Explicit request to build all drivers that we can
DRIVER_BUILD_LIST="all"
if test -z "${with_serial}"; then with_serial="${withval}"; fi
if test -z "${with_usb}"; then with_usb="${withval}"; fi
if test -z "${with_snmp}"; then with_snmp="${withval}"; fi
if test -z "${with_neon}"; then with_neon="${withval}"; fi
if test -z "${with_powerman}"; then with_powerman="${withval}"; fi
if test -z "${with_modbus}"; then with_modbus="${withval}"; fi
if test -z "${with_ipmi}"; then with_ipmi="${withval}"; fi
if test -z "${with_linux_i2c}"; then with_linux_i2c="${withval}"; fi
if test -z "${with_macosx_ups}"; then with_macosx_ups="${withval}"; fi
AC_MSG_RESULT(${DRIVER_BUILD_LIST})
;;
*)
DRIVER_BUILD_LIST="`echo ${withval} | sed 's/,/ /g'`"
AC_MSG_RESULT(${DRIVER_BUILD_LIST})
AS_IF([test -n "$DRIVER_BUILD_LIST"],
[dnl DRVLIST is occasionally synced with drivers/Makefile.am
dnl NOTE: Currently "USB_DRIVERLIST" is not used standalone:
DRVLIST_NAMES="
SERIAL_DRIVERLIST USB_LIBUSB_DRIVERLIST SERIAL_USB_DRIVERLIST
SNMP_DRIVERLIST NEONXML_DRIVERLIST
MACOSX_DRIVERLIST MODBUS_DRIVERLIST LINUX_I2C_DRIVERLIST
POWERMAN_DRIVERLIST IPMI_DRIVERLIST"
get_drvlist() (
dnl Note escaped brackets - "against" m4 parser
m4_version_prereq(2.62,
[LB="@<:@"; RB="@:>@"],
[LB="[["; RB="]]"]
)
SPACE="`printf "$LB"' \t'"$RB"`"
SPACES="${SPACE}*"
sed -e "s/${SPACES}""$LB"'+'"$RB"'*='"${SPACES}/=/" \
-e "s/^${SPACES}//" < drivers/Makefile.am \
| {
C=false; V=false
while read LINE ; do
case "$LINE" in
*'\') C=true; if $V ; then echo "$LINE" ; fi ;;
*) C=false; V=false ;;
esac
case "$LINE" in
"$1"=*)
echo "$LINE" | sed -e 's,^'"$LB"'^='"$RB"'*=,,' -e 's,\$,,'
V=$C
;;
esac
done
} | tr '\n' ' ' | sed -e "s,${SPACE}${SPACES}, ," -e "s,${SPACES}\$,,"
)
for DRVLIST_NAME in $DRVLIST_NAMES; do
OUT="`get_drvlist "$DRVLIST_NAME"`" \
&& test -n "$OUT" || OUT=""
eval $DRVLIST_NAME="\$OUT"
AC_MSG_NOTICE([Will check custom driver selection against $DRVLIST_NAME="$OUT"])
done
dnl Note: do not quote the expansion below to keep it multi-token:
for DRV in $DRIVER_BUILD_LIST ; do
DRV_HITS=""
dnl #DEVEL-DEBUG# AC_MSG_NOTICE([= Checking DRV="$DRV"])
for DRVLIST_NAME in $DRVLIST_NAMES; do
dnl #DEVEL-DEBUG# AC_MSG_NOTICE([== Checking DRVLIST_NAME="$DRVLIST_NAME"])
eval DRVLIST="\${$DRVLIST_NAME}"
dnl #DEVEL-DEBUG# AC_MSG_NOTICE([== Contents DRVLIST="$DRVLIST"])
for DN in $DRVLIST ; do
dnl #DEVEL-DEBUG# AC_MSG_NOTICE([=== Checking DN="$DN"])
AS_IF([test x"$DN" = x"$DRV"], [
DRV_HITS="$DRV_HITS $DRVLIST_NAME"
AS_CASE(["$DRVLIST_NAME"],
[SERIAL_DRIVERLIST], [
AS_IF([test -z "${with_serial}"],
[AC_MSG_NOTICE([Requiring --with-serial=yes for driver "$DRV"])
with_serial=yes]
)],
[USB_LIBUSB_DRIVERLIST], [
AS_IF([test -z "${with_usb}"],
[AC_MSG_NOTICE([Requiring --with-usb=yes for driver "$DRV"])
with_usb=yes]
)],
[SERIAL_USB_DRIVERLIST], [
dnl e.g. nutdrv_qx that can do both
AS_IF([test -z "${with_usb}"],
[AC_MSG_NOTICE([Requiring --with-usb=yes for driver "$DRV"])
with_usb=yes]
)
AS_IF([test -z "${with_serial}"],
[AC_MSG_NOTICE([Requiring --with-serial=yes for driver "$DRV"])
with_serial=yes]
)],
[SNMP_DRIVERLIST], [
AS_IF([test -z "${with_snmp}"],
[AC_MSG_NOTICE([Requiring --with-snmp=yes for driver "$DRV"])
with_snmp=yes]
)],
[NEONXML_DRIVERLIST], [
AS_IF([test -z "${with_neon}"],
[AC_MSG_NOTICE([Requiring --with-neon=yes for driver "$DRV"])
with_neon=yes]
)],
[MACOSX_DRIVERLIST], [
dnl NOTE: This one is a bit special,
dnl just one certain driver so far
AS_IF([test -z "${with_macosx_ups}"],
[AC_MSG_NOTICE([Requiring --with-macosx-ups=yes for driver "$DRV"])
with_macosx_ups=yes]
)],
[MODBUS_DRIVERLIST], [
AS_IF([test -z "${with_modbus}"],
[AC_MSG_NOTICE([Requiring --with-modbus=yes for driver "$DRV"])
with_modbus=yes]
)],
[LINUX_I2C_DRIVERLIST], [
AS_IF([test -z "${with_linux_i2c}"],
[AC_MSG_NOTICE([Requiring --with-linux-i2c=yes for driver "$DRV"])
with_linux_i2c=yes]
)],
[POWERMAN_DRIVERLIST], [
AS_IF([test -z "${with_powerman}"],
[AC_MSG_NOTICE([Requiring --with-powerman=yes for driver "$DRV"])
with_powerman=yes]
)],
[IPMI_DRIVERLIST], [
AS_IF([test -z "${with_ipmi}"],
[AC_MSG_NOTICE([Requiring --with-ipmi=yes for driver "$DRV"])
with_ipmi=yes]
)],
[AC_MSG_WARN([Unhandled DRVLIST_NAME=$DRVLIST_NAME])]
)
break
dnl Break once, maybe a driver hits several categories
])
done
AS_IF([test -z "${DRV_HITS}"],
[AC_MSG_ERROR([Requested driver '$DRV' is not defined in drivers/Makefile.am (or configure.ac has a bug/lag detecting driver lists)])])
done
done
])
;;
esac
], [
dnl Implicit request to build whatever is enabled;
dnl do not force --with-all here:
DRIVER_BUILD_LIST="all"
AC_MSG_RESULT(all available)
])
AM_CONDITIONAL(SOME_DRIVERS, test "${DRIVER_BUILD_LIST}" != "all")
if test "${DRIVER_BUILD_LIST}" != "all"; then
NUT_REPORT([only build specific drivers], [${DRIVER_BUILD_LIST}])
fi
dnl ----------------------------------------------------------------------
dnl check for --with-all (or --without-all, or --with-all=auto) flag
AC_MSG_CHECKING(for --with-all)
AC_ARG_WITH(all,
AS_HELP_STRING([--with-all], [enable serial, usb, snmp, neon, libxml2, ipmi, powerman, modbus, cgi, dev, avahi, linux_i2c, dmf, snmp_dmf]),
dnl ### Not forced: lua, dmf_lua, snmp_dmf_lua
[
if test -n "${withval}"; then
dnl Note: we allow "no" as a positive value, because
dnl this is what the user expects from --without-all
dnl Note: these settings do not touch generation of
dnl "--with-docs=...", that is handled separately
if test -z "${with_serial}"; then with_serial="${withval}"; fi
if test -z "${with_usb}"; then with_usb="${withval}"; fi
if test -z "${with_snmp}"; then with_snmp="${withval}"; fi
if test -z "${with_snmp_dmf}"; then with_snmp_dmf="${withval}"; fi
dnl NOTE: The LUA integration is experimental, so not forced as part of --with-all
dnl if test -z "${with_lua}"; then with_lua="${withval}"; fi
dnl if test -z "${with_dmf_lua}"; then with_dmf_lua="${withval}"; fi
dnl if test -z "${with_snmp_dmf_lua}"; then with_snmp_dmf_lua="${withval}"; fi
if test -z "${with_neon}"; then with_neon="${withval}"; fi
if test -z "${with_libxml2}"; then with_libxml2="${withval}"; fi
if test -z "${with_powerman}"; then with_powerman="${withval}"; fi
if test -z "${with_modbus}"; then with_modbus="${withval}"; fi
if test -z "${with_ipmi}"; then with_ipmi="${withval}"; fi
dnl Platform-dependent snowflakes that are required or auto:
if test -z "${with_linux_i2c}"; then
with_linux_i2c="${withval}"
case ${target_os} in
linux*) ;;
*) test x"${withval}" = xno || with_linux_i2c="auto" ;;
esac
fi
if test -z "${with_macosx_ups}"; then
with_macosx_ups="${withval}"
if ! test -d /System/Library/Frameworks/IOKit.framework/ ; then
test x"${withval}" = xno || with_macosx_ups="auto"
fi
fi
dnl These are not driver families, but other features:
if test -z "${with_cgi}"; then with_cgi="${withval}"; fi
if test -z "${with_dev}"; then with_dev="${withval}"; fi
if test -z "${with_avahi}"; then with_avahi="${withval}"; fi
AC_MSG_RESULT("${withval}")
else
AC_MSG_RESULT(not given)
fi
], [
AC_MSG_RESULT(not given)
])
dnl ----------------------------------------------------------------------
dnl declare a number of --with-FEATURE options. Do this early, so that
dnl they are listed near the top by "./configure --help"; however,
dnl note that options with further investigation methods are listed
dnl a bit below to be grouped with their additional with/enable help.
dnl While the contribution is being absorbed into the NUT codebase,
dnl we don't want the CI farm to build it by default and so block NUT
dnl packaging. This toggle may be removed or switched to "yes" later.
dnl Until then, also this is not activated by --with-all flag.
NUT_ARG_WITH([nutconf], [build and install the nutconf tool (experimental, has compiler/coverage warnings)], [no])
NUT_ARG_WITH([dev], [build and install the development files], [no])
dnl The NUT legacy option was --with-doc; however to simplify configuration
dnl in some common packaging frameworks, we also allow --with-docs as
dnl a second-class citizen (if both are set, the old option name wins).
dnl Also note that the legacy default was "man=yes" due to requirements
dnl of the "make distcheck", but it was reduced to "man=auto" so that
dnl the usual builds can pass by default on systems without asciidoc.
NUT_ARG_WITH([docs], [build and install documentation (alias to --with-doc)], [man=auto])
NUT_ARG_WITH([doc], [build and install documentation (see docs/configure.txt for many variants of the option)], [${nut_with_docs}])
dnl NOTE: Until X-Mas 2021, the default was "legacy" (now "medium")
NUT_ARG_ENABLE([warnings],
[enable warning presets that were picked as useful in maintainership and CI practice (variants include gcc-minimal, gcc-medium, gcc-hard, clang-minimal, clang-medium, clang-hard, all; auto-choosers: hard, medium, minimal, yes=auto='gcc or clang or all at hardcoded default difficulty')],
[medium])
NUT_ARG_ENABLE([Werror],
[fail the build if compiler emits any warnings (treat them as errors)],
[no])
dnl To help find warning/error details in a wall of text, see --enable-Wcolor handled above
dnl ----------------------------------------------------------------------
dnl Check for presence and compiler flags of various libraries
NUT_ARG_WITH([serial], [build and install serial drivers], [yes])
dnl These checks are performed unconditionally, even if the corresponding
dnl --with-* options are not given. This is because we cannot predict
dnl what will be in the --with-drivers argument.
NUT_ARG_WITH([usb], [build and install USB drivers, optionally require build with specified version of libusb library and API: (auto|libusb-0.1|libusb-1.0)], [auto])
nut_usb_lib=""
NUT_CHECK_LIBUSB
NUT_ARG_WITH([snmp], [build and install SNMP drivers], [auto])
NUT_CHECK_LIBNETSNMP
NUT_ARG_WITH([neon], [build and install neon based XML/HTTP driver], [auto])
NUT_CHECK_LIBNEON
NUT_ARG_WITH([powerman], [build and install Powerman PDU client driver], [auto])
NUT_CHECK_LIBPOWERMAN
NUT_ARG_WITH([modbus], [build and install modbus drivers], [auto])
NUT_CHECK_LIBMODBUS
NUT_ARG_WITH([avahi], [build and install Avahi support], [auto])
NUT_CHECK_LIBAVAHI
dnl ----------------------------------------------------------------------
dnl checks related to --with-serial
dnl ${nut_with_serial}: any value except "yes" or "no" is treated as "auto".
dnl Below we try to detect if we can build serial drivers, and if we must?
AS_IF([test "${nut_with_serial}" != "no"],
[AS_IF([test "${nut_with_serial}" != "yes"],[nut_with_serial="auto"])
CFLAGS_SAVED_SERIAL="${CFLAGS}"
AS_IF([test "${GCC}" = yes],
[CFLAGS_SAVED_WERROR="${CFLAGS} -Wall -Werror"
CFLAGS_SAVED_WNOERROR="${CFLAGS} -Wno-error"
],
[CFLAGS_SAVED_WERROR="${CFLAGS}"
CFLAGS_SAVED_WNOERROR="${CFLAGS}"
])
dnl At least recent *BSD distros have deprecated sys/termios.h and spew
dnl warnings that termios.h should be used instead. This is redundantly
dnl fatal for pedantic builds where we aim to have no warnings in code.
dnl So there AC_CHECK_HEADERS does find the header, but we don't really
dnl want to use it unless we have no choice: if there is a warning while
dnl trying sys/ version, try the plain header path (without fatal warnings),
dnl and only if that is missing - retry with the sys/ version again (and
dnl no warnings still).
CFLAGS="${CFLAGS_SAVED_WERROR}"
AC_CHECK_HEADERS(sys/termios.h, [], [
CFLAGS="${CFLAGS_SAVED_WNOERROR}"
AC_CHECK_HEADERS(termios.h, [], [
AC_CHECK_HEADERS(sys/termios.h, [], [], [AC_INCLUDES_DEFAULT])
], [AC_INCLUDES_DEFAULT])
], [AC_INCLUDES_DEFAULT])
dnl CFLAGS at this point suffice for surviving a compilation with termios.h
dnl Don't mind the stupid code below, it just probes the tokens and
dnl sails around compiler warnings
AC_MSG_CHECKING([for struct termios and speed_t])
AC_LANG_PUSH([C])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#if defined(HAVE_SYS_TERMIOS_H)
# include <sys/termios.h> /* for speed_t */
#else
# if defined(HAVE_TERMIOS_H)
# include <termios.h>
# endif /* HAVE_TERMIOS_H */
#endif /* HAVE_SYS_TERMIOS_H */
void getspeed(speed_t* b) { *b = B19200; }
],
[struct termios tio;
if (!tcgetattr(0, &tio)) { return 1; }
speed_t baudrate;
getspeed(&baudrate);
]
)],
[AC_MSG_RESULT([ok])
nut_have_serial_types=yes
],
[AC_MSG_RESULT([no, struct termios and/or speed_t not found in discovered headers])
nut_have_serial_types=no
]
)
AC_LANG_POP([C])
dnl Restore common set-or-discovered CFLAGS
CFLAGS="${CFLAGS_SAVED_SERIAL}"
AC_MSG_CHECKING([whether we can build serial drivers])
AS_IF([test "${nut_have_serial_types}" = yes],
[AS_IF([test "${nut_with_serial}" = "auto"],[nut_with_serial="yes"])],
[AS_IF([test "${nut_with_serial}" = "auto"],[nut_with_serial="no"])
AS_IF([test "${nut_with_serial}" = "yes"],[AC_MSG_ERROR([no, and were required to])])
])
AS_IF([test "${nut_with_serial}" = "yes"],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
])
NUT_REPORT_FEATURE([build serial drivers], [${nut_with_serial}], [],
[WITH_SERIAL], [Define to enable serial support])
dnl ----------------------------------------------------------------------
dnl checks related to --with-usb are in its m4 file and NUT_CHECK_LIBUSB() called above
dnl Note: there is no libusb-config script (and variable) for libusb-1.0
AM_CONDITIONAL(WITH_LIBUSB_1_0, test "${nut_usb_lib}" = "(libusb-1.0)")
AM_CONDITIONAL(WITH_LIBUSB_0_1, test "${nut_usb_lib}" = "(libusb-0.1)" -o "${nut_usb_lib}" = "(libusb-0.1-config)")
NUT_REPORT_FEATURE([build USB drivers], [${nut_with_usb}], [${nut_usb_lib}],
[WITH_USB], [Define to enable USB support])
dnl ----------------------------------------------------------------------
dnl checks related to --with-neon
dnl ${nut_with_neon}: any value except "yes" or "no" is treated as "auto".
if test "${nut_with_neon}" = "yes" -a "${nut_have_neon}" != "yes"; then
AC_MSG_ERROR([neon libraries not found, required for neon based XML/HTTP driver])
fi
if test "${nut_with_neon}" != "no"; then
nut_with_neon="${nut_have_neon}"
fi
NUT_REPORT_FEATURE([build neon based XML driver], [${nut_with_neon}], [],
[WITH_NEON], [Define to enable Neon HTTP support])
AM_CONDITIONAL([HAVE_NEON], [test "${nut_have_neon}" = "yes"])
dnl ----------------------------------------------------------------------
dnl checks related to --with-avahi
dnl ${nut_with_avahi}: any value except "yes" or "no" is treated as "auto".
if test "${nut_with_avahi}" = "yes" -a "${nut_have_avahi}" != "yes"; then
AC_MSG_ERROR([avahi libraries not found])
fi
if test "${nut_with_avahi}" != "no"; then
nut_with_avahi="${nut_have_avahi}"
fi
NUT_REPORT_FEATURE([enable Avahi support], [${nut_with_avahi}], [],
[WITH_AVAHI], [Define to enable Avahi support])
dnl ----------------------------------------------------------------------
dnl checks related to --with-powerman
dnl ${nut_with_powerman}: any value except "yes" or "no" is treated as "auto".
if test "${nut_with_powerman}" = "yes" -a "${nut_have_libpowerman}" != "yes"; then
AC_MSG_ERROR([Powerman client libraries not found, required for Powerman PDU client driver])
fi
if test "${nut_with_powerman}" != "no"; then
nut_with_powerman="${nut_have_libpowerman}"
fi
NUT_REPORT_FEATURE([build Powerman PDU client driver], [${nut_with_powerman}], [],
[WITH_LIBPOWERMAN], [Define to enable Powerman PDU support])
dnl ----------------------------------------------------------------------
dnl checks related to --with-modbus
dnl ${nut_with_modbus}: any value except "yes" or "no" is treated as "auto".
if test "${nut_with_modbus}" = "yes" -a "${nut_have_libmodbus}" != "yes"; then
AC_MSG_ERROR([modbus library not found, required for Modbus driver])
fi
if test "${nut_with_modbus}" != "no"; then
nut_with_modbus="${nut_have_libmodbus}"
fi
NUT_REPORT_FEATURE([build Modbus driver], [${nut_with_modbus}], [],
[WITH_MODBUS], [Define to enable Modbus support])
dnl ----------------------------------------------------------------------
dnl Check for with-ipmi, and --with-freeipmi (or --with-openipmi)
dnl Only one can be enabled at a time, with a preference for FreeIPMI
dnl if both are available (since it is the only one supported ATM!!)
nut_ipmi_lib=""
NUT_ARG_WITH([ipmi], [build and install IPMI PSU driver], [auto])
NUT_ARG_WITH([freeipmi], [enable IPMI support using FreeIPMI], [auto])
dnl NUT_ARG_WITH([openipmi], [enable IPMI support using OpenIPMI], [auto])
dnl ${nut_with_ipmi}: any value except "yes" or "no" is treated as "auto".
if test "${nut_with_ipmi}" != "no"; then
dnl check if FreeIPMI (and maybe later OpenIPMI) was explicitly requested
if test "${nut_with_freeipmi}" = "yes"; then
NUT_CHECK_LIBFREEIPMI
if test "${nut_have_freeipmi}" != "yes"; then
AC_MSG_ERROR([FreeIPMI not found, required for IPMI support])
fi
dnl Implies --with-ipmi
nut_with_ipmi="yes"
dnl elif test "${nut_with_openipmi}" = "yes"; then
dnl AC_MSG_ERROR([OpenIPMI is not yet supported])
dnl NUT_CHECK_LIBOPENIPMI
dnl if test "${nut_have_openipmi}" != "yes"; then
dnl AC_MSG_ERROR([OpenIPMI not found, required for IPMI support])
dnl fi
dnl Implies --with-ipmi
dnl nut_with_ipmi="yes"
dnl AC_DEFINE(WITH_OPENIPMI, 1, [Define to enable IPMI support using OpenIPMI])
else
dnl Prefer FreeIPMI over OpenIPMI otherwise
NUT_CHECK_LIBFREEIPMI
if test "${nut_have_freeipmi}" != "yes"; then
if test "${nut_with_ipmi}" = "yes"; then
AC_MSG_ERROR([FreeIPMI not found, required for IPMI support])
fi
nut_with_ipmi="no"
dnl NUT_CHECK_OPENIPMI
dnl if test "${nut_have_openipmi}" != "yes"; then
dnl if test "${nut_with_ipmi}" = "yes"; then
dnl AC_MSG_ERROR([Neither GNU FreeIPMI nor OpenIPMI was found (required for IPMI support)])
dnl fi
dnl nut_with_ipmi="no"
dnl else
dnl Implies --with-ipmi
dnl nut_with_ipmi="yes"
dnl nut_with_openipmi="yes"
dnl fi
else
dnl Implies --with-ipmi
nut_with_ipmi="yes"
nut_with_freeipmi="yes"
AC_DEFINE(WITH_FREEIPMI, 1, [Define to enable IPMI support using FreeIPMI])
fi
fi
fi
NUT_REPORT_FEATURE([build IPMI driver], [${nut_with_ipmi}], [${nut_ipmi_lib}],
[WITH_IPMI], [Define to enable IPMI support])
dnl Note: we still have to manually enable complementary AC_DEFINEs (see above)
dnl and AM_CONDITIONALs (see below)...
AM_CONDITIONAL(WITH_FREEIPMI, test "${nut_with_freeipmi}" = "yes")
dnl AM_CONDITIONAL(WITH_OPENIPMI, test "${nut_with_openipmi}" = "yes")
dnl ----------------------------------------------------------------------
dnl The Mac OS X meta-driver looks at IOKit Power Sources keys managed by
dnl the internal USB UPS driver.
dnl
dnl FIXME: be slightly more clever here: