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configure.ac
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configure.ac
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dnl These m4 macros are whitespace sensitive and break if moved around much.
m4_define([LU_VERSION_H], m4_include([libusb/version.h]))
m4_define([LU_DEFINE_VERSION_ATOM],
[m4_define([$1], m4_bregexp(LU_VERSION_H,
[^#define\s*$1\s*\([0-9]*\).*], [\1]))])
m4_define([LU_DEFINE_VERSION_RC_ATOM],
[m4_define([$1], m4_bregexp(LU_VERSION_H,
[^#define\s*$1\s*"\(-rc[0-9]*\)".*], [\1]))])
dnl The m4_bregexp() returns (only) the numbers following the #define named
dnl in the first macro parameter. m4_define() then defines the name for use
dnl in AC_INIT.
LU_DEFINE_VERSION_ATOM([LIBUSB_MAJOR])
LU_DEFINE_VERSION_ATOM([LIBUSB_MINOR])
LU_DEFINE_VERSION_ATOM([LIBUSB_MICRO])
LU_DEFINE_VERSION_RC_ATOM([LIBUSB_RC])
AC_INIT([libusb],[LIBUSB_MAJOR[.]LIBUSB_MINOR[.]LIBUSB_MICRO[]LIBUSB_RC],[[email protected]],[libusb],[http://libusb.info])
# Library versioning
# These numbers should be tweaked on every release. Read carefully:
# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
# http://sourceware.org/autobook/autobook/autobook_91.html
lt_current="1"
lt_revision="0"
lt_age="1"
LTLDFLAGS="-version-info ${lt_current}:${lt_revision}:${lt_age}"
AM_INIT_AUTOMAKE
AC_CONFIG_SRCDIR([libusb/core.c])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([config.h])
m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
AC_PREREQ([2.69])
AC_PROG_CC
AC_PROG_CXX
LT_INIT
LT_LANG([Windows Resource])
AC_C_INLINE
AM_PROG_CC_C_O
AC_DEFINE([_GNU_SOURCE], 1, [Use GNU extensions])
LTLDFLAGS="${LTLDFLAGS} -no-undefined"
AC_MSG_CHECKING([operating system])
dnl on linux-android platform, some functions are in different places
case $host in
*-linux-android*)
AC_MSG_RESULT([This is a Linux-Android system])
is_backend_android="yes"
;;
*)
is_backend_android="no"
esac
case $host in
*-linux* | *-uclinux*)
AC_MSG_RESULT([Linux])
backend="linux"
threads="posix"
;;
*-darwin*)
AC_MSG_RESULT([Darwin/Mac OS X])
backend="darwin"
threads="posix"
;;
*-openbsd*)
AC_MSG_RESULT([OpenBSD])
backend="openbsd"
threads="posix"
;;
*-netbsd*)
AC_MSG_RESULT([NetBSD])
backend="netbsd"
threads="posix"
;;
*-mingw* | *msys*)
AC_MSG_RESULT([Windows])
backend="windows"
threads="windows"
create_import_lib="yes"
AM_CFLAGS="${AM_CFLAGS} -fno-omit-frame-pointer"
;;
*-cygwin*)
AC_MSG_RESULT([Cygwin (using Windows backend)])
backend="windows"
threads="posix"
;;
*-haiku*)
AC_MSG_RESULT([Haiku])
backend="haiku"
threads="posix"
;;
*)
AC_MSG_ERROR([unsupported operating system])
esac
case $backend in
linux)
AC_DEFINE(OS_LINUX, 1, [Linux backend])
AC_SUBST(OS_LINUX)
AC_SEARCH_LIBS(clock_gettime, rt, [], [], -pthread)
AC_ARG_ENABLE([udev],
[AC_HELP_STRING([--enable-udev], [use udev for device enumeration and hotplug support (recommended) [default=yes]])],
[], [enable_udev="yes"])
if test "x$enable_udev" = "xyes" ; then
# system has udev. use it or fail!
AC_CHECK_HEADERS([libudev.h],[],[AC_ERROR(["udev support requested but libudev not installed"])])
AC_CHECK_LIB([udev], [udev_new], [], [AC_ERROR(["udev support requested but libudev not installed"])])
AC_DEFINE(USE_UDEV, 1, [Use udev for device enumeration/hotplug])
else
AC_CHECK_HEADERS([asm/types.h], [], [])
AC_CHECK_HEADERS([sys/socket.h linux/netlink.h], [], [AC_ERROR(["Linux netlink headers not found"])], [
#ifdef HAVE_ASM_TYPES_H
#include <asm/types.h>
#endif
#include <sys/socket.h>
])
fi
AC_SUBST(USE_UDEV)
case $is_backend_android in
yes)
dnl there are gettimeofday function but configure doesn't seem to be able to find it.
AC_DEFINE([HAVE_GETTIMEOFDAY], [1], [Define if you have gettimeofday])
;;
*)
THREAD_CFLAGS="-pthread"
LIBS="${LIBS} -pthread"
esac
AC_CHECK_HEADERS([poll.h])
AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument])
;;
darwin)
AC_DEFINE(OS_DARWIN, 1, [Darwin backend])
AC_SUBST(OS_DARWIN)
LIBS="-lobjc -Wl,-framework,IOKit -Wl,-framework,CoreFoundation"
LTLDFLAGS="${LTLDFLAGS} -Wl,-prebind"
AC_CHECK_HEADERS([poll.h])
AC_CHECK_TYPE([nfds_t],
[AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument])],
[AC_DEFINE([POLL_NFDS_TYPE],[unsigned int],[type of second poll() argument])],
[#include <poll.h>])
;;
openbsd)
AC_DEFINE(OS_OPENBSD, 1, [OpenBSD backend])
AC_SUBST(OS_OPENBSD)
THREAD_CFLAGS="-pthread"
LIBS="-pthread"
AC_CHECK_HEADERS([poll.h])
AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument])
;;
netbsd)
AC_DEFINE(OS_NETBSD, 1, [NetBSD backend])
AC_SUBST(OS_NETBSD)
THREAD_CFLAGS="-pthread"
LIBS="-pthread"
AC_CHECK_HEADERS([poll.h])
AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument])
;;
windows)
AC_DEFINE(OS_WINDOWS, 1, [Windows backend])
AC_SUBST(OS_WINDOWS)
LIBS=""
LTLDFLAGS="${LTLDFLAGS} -avoid-version -Wl,--add-stdcall-alias"
AC_DEFINE([POLL_NFDS_TYPE],[unsigned int],[type of second poll() argument])
AC_DEFINE([WINVER], 0x0501, [Oldest Windows version supported])
AC_ARG_ENABLE([usbdk],
[AC_HELP_STRING([--enable-usbdk], [use UsbDk Windows backend [default=no]])],
[], [enable_usbdk="no"])
if test "x$enable_usbdk" = "xyes" ; then
AC_DEFINE(USE_USBDK, 1, [Use UsbDk Windows backend])
fi
AC_SUBST(USE_USBDK)
;;
haiku)
AC_DEFINE(OS_HAIKU, 1, [Haiku backend])
AC_SUBST(OS_HAIKU)
LIBS="${LIBS} -lbe"
AC_CHECK_HEADERS([poll.h])
AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument])
;;
esac
AC_SUBST(LIBS)
AM_CONDITIONAL(OS_LINUX, test "x$backend" = xlinux)
AM_CONDITIONAL(OS_DARWIN, test "x$backend" = xdarwin)
AM_CONDITIONAL(OS_OPENBSD, test "x$backend" = xopenbsd)
AM_CONDITIONAL(OS_NETBSD, test "x$backend" = xnetbsd)
AM_CONDITIONAL(OS_WINDOWS, test "x$backend" = xwindows)
AM_CONDITIONAL(OS_HAIKU, test "x$backend" = xhaiku)
AM_CONDITIONAL(THREADS_POSIX, test "x$threads" = xposix)
AM_CONDITIONAL(CREATE_IMPORT_LIB, test "x$create_import_lib" = "xyes")
AM_CONDITIONAL(USE_UDEV, test "x$enable_udev" = xyes)
AM_CONDITIONAL(USE_USBDK, test "x$enable_usbdk" = xyes)
if test "$threads" = posix; then
AC_DEFINE(THREADS_POSIX, 1, [Use POSIX Threads])
fi
# timerfd
AC_CHECK_HEADER([sys/timerfd.h], [timerfd_h=1], [timerfd_h=0])
AC_ARG_ENABLE([timerfd],
[AS_HELP_STRING([--enable-timerfd],
[use timerfd for timing [default=auto]])],
[use_timerfd=$enableval], [use_timerfd='auto'])
if test "x$use_timerfd" = "xyes" -a "x$timerfd_h" = "x0"; then
AC_MSG_ERROR([timerfd header not available; glibc 2.9+ required])
fi
AC_CHECK_DECL([TFD_NONBLOCK], [tfd_hdr_ok=yes], [tfd_hdr_ok=no], [#include <sys/timerfd.h>])
if test "x$use_timerfd" = "xyes" -a "x$tfd_hdr_ok" = "xno"; then
AC_MSG_ERROR([timerfd header not usable; glibc 2.9+ required])
fi
AC_MSG_CHECKING([whether to use timerfd for timing])
if test "x$use_timerfd" = "xno"; then
AC_MSG_RESULT([no (disabled by user)])
else
if test "x$timerfd_h" = "x1" -a "x$tfd_hdr_ok" = "xyes"; then
AC_MSG_RESULT([yes])
AC_DEFINE(USBI_TIMERFD_AVAILABLE, 1, [timerfd headers available])
else
AC_MSG_RESULT([no (header not available)])
fi
fi
AC_CHECK_TYPES(struct timespec)
# Message logging
AC_ARG_ENABLE([log], [AS_HELP_STRING([--disable-log], [disable all logging])],
[log_enabled=$enableval],
[log_enabled='yes'])
if test "x$log_enabled" != "xno"; then
AC_DEFINE([ENABLE_LOGGING], 1, [Message logging])
fi
AC_ARG_ENABLE([debug-log], [AS_HELP_STRING([--enable-debug-log],
[start with debug message logging enabled [default=no]])],
[debug_log_enabled=$enableval],
[debug_log_enabled='no'])
if test "x$debug_log_enabled" != "xno"; then
AC_DEFINE([ENABLE_DEBUG_LOGGING], 1, [Start with debug message logging enabled])
fi
AC_ARG_ENABLE([system-log], [AS_HELP_STRING([--enable-system-log],
[output logging messages to system wide log, if supported by the OS [default=no]])],
[system_log_enabled=$enableval],
[system_log_enabled='no'])
if test "x$system_log_enabled" != "xno"; then
AC_DEFINE([USE_SYSTEM_LOGGING_FACILITY], 1, [Enable output to system log])
fi
# Check if syslog is available in standard C library
AC_CHECK_HEADERS(syslog.h)
AC_CHECK_FUNC([syslog], [have_syslog=yes], [have_syslog=no])
if test "x$have_syslog" != "xno"; then
AC_DEFINE([HAVE_SYSLOG_FUNC], 1, [syslog() function available])
fi
# Examples build
AC_ARG_ENABLE([examples-build], [AS_HELP_STRING([--enable-examples-build],
[build example applications [default=no]])],
[build_examples=$enableval],
[build_examples='no'])
AM_CONDITIONAL([BUILD_EXAMPLES], [test "x$build_examples" != "xno"])
# Tests build
AC_ARG_ENABLE([tests-build], [AS_HELP_STRING([--enable-tests-build],
[build test applications [default=no]])],
[build_tests=$enableval],
[build_tests='no'])
AM_CONDITIONAL([BUILD_TESTS], [test "x$build_tests" != "xno"])
# check for -fvisibility=hidden compiler support (GCC >= 3.4)
saved_cflags="$CFLAGS"
# -Werror required for cygwin
CFLAGS="$CFLAGS -Werror -fvisibility=hidden"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
[VISIBILITY_CFLAGS="-fvisibility=hidden"
AC_DEFINE([DEFAULT_VISIBILITY], [__attribute__((visibility("default")))], [Default visibility]) ],
[ VISIBILITY_CFLAGS=""
AC_DEFINE([DEFAULT_VISIBILITY], [], [Default visibility]) ],
])
CFLAGS="$saved_cflags"
# check for -Wno-pointer-sign compiler support (GCC >= 4)
saved_cflags="$CFLAGS"
CFLAGS="$CFLAGS -Wno-pointer-sign"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
nopointersign_cflags="-Wno-pointer-sign", nopointersign_cflags="")
CFLAGS="$saved_cflags"
# sigaction not available on MinGW
AC_CHECK_FUNC([sigaction], [have_sigaction=yes], [have_sigaction=no])
AM_CONDITIONAL([HAVE_SIGACTION], [test "x$have_sigaction" = "xyes"])
# headers not available on all platforms but required on others
AC_CHECK_HEADERS([sys/time.h])
AC_CHECK_FUNCS(gettimeofday)
AC_CHECK_HEADERS([signal.h])
# check for -std=gnu99 compiler support
saved_cflags="$CFLAGS"
CFLAGS="-std=gnu99"
AC_MSG_CHECKING([whether CC supports -std=gnu99])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
[AC_MSG_RESULT([yes])]
[AM_CFLAGS="${AM_CFLAGS} -std=gnu99"],
[AC_MSG_RESULT([no])]
)
CFLAGS="$saved_cflags"
AM_CFLAGS="${AM_CFLAGS} -Wall -Wundef -Wunused -Wstrict-prototypes -Werror-implicit-function-declaration $nopointersign_cflags -Wshadow ${THREAD_CFLAGS} ${VISIBILITY_CFLAGS}"
AC_SUBST(AM_CFLAGS)
AC_SUBST(LTLDFLAGS)
AC_CONFIG_FILES([libusb-1.0.pc])
AC_CONFIG_FILES([Makefile])
AC_CONFIG_FILES([libusb/Makefile])
AC_CONFIG_FILES([examples/Makefile])
AC_CONFIG_FILES([tests/Makefile])
AC_CONFIG_FILES([doc/Makefile])
AC_CONFIG_FILES([doc/doxygen.cfg])
AC_OUTPUT