You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
386 lines
14 KiB
386 lines
14 KiB
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_PREREQ([2.69])
|
|
AC_INIT([libusb-1.0], [LIBUSB_MAJOR[.]LIBUSB_MINOR[.]LIBUSB_MICRO[]LIBUSB_RC], [libusb-devel@lists.sourceforge.net], [libusb-1.0], [http://libusb.info])
|
|
AC_CONFIG_HEADERS([config.h])
|
|
AC_CONFIG_SRCDIR([libusb/core.c])
|
|
AC_CONFIG_MACRO_DIR([m4])
|
|
AC_PROG_CC
|
|
AC_PROG_CXX
|
|
AC_C_INLINE
|
|
AM_INIT_AUTOMAKE
|
|
LT_INIT
|
|
LT_LANG([Windows Resource])
|
|
|
|
dnl Library versioning
|
|
dnl These numbers should be tweaked on every release. Read carefully:
|
|
dnl http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
|
|
dnl http://sourceware.org/autobook/autobook/autobook_91.html
|
|
lt_current=3
|
|
lt_revision=0
|
|
lt_age=3
|
|
LT_LDFLAGS="-version-info ${lt_current}:${lt_revision}:${lt_age} -no-undefined"
|
|
|
|
m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
|
|
|
|
EXTRA_CPPFLAGS=
|
|
EXTRA_CFLAGS=
|
|
|
|
dnl check for -std=gnu11 compiler support (optional)
|
|
dnl note that we don't just check if the compiler accepts '-std=x11'
|
|
dnl but also that it supports the _Thread_local keyword because some compilers
|
|
dnl (e.g. gcc 4.8) accept the command line option but do not implement TLS
|
|
saved_CFLAGS="${CFLAGS}"
|
|
CFLAGS="-std=gnu11"
|
|
AC_MSG_CHECKING([if $CC supports -std=gnu11])
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([_Thread_local int x;], [x = 42;])],
|
|
[AC_MSG_RESULT([yes])
|
|
c_dialect=gnu],
|
|
[AC_MSG_RESULT([no])
|
|
c_dialect=])
|
|
if test "x$c_dialect" != xgnu; then
|
|
dnl fallback check for -std=c11 compiler support (required)
|
|
CFLAGS="-std=c11"
|
|
AC_MSG_CHECKING([if $CC supports -std=c11])
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([_Thread_local int x;], [x = 42;])],
|
|
[AC_MSG_RESULT([yes])],
|
|
[AC_MSG_RESULT([no])
|
|
AC_MSG_ERROR([compiler with C11 support is required to build libusb])])
|
|
c_dialect=c
|
|
fi
|
|
CFLAGS="${saved_CFLAGS}"
|
|
|
|
AC_DEFINE([_GNU_SOURCE], [1], [Enable GNU extensions.])
|
|
AC_DEFINE([DEFAULT_VISIBILITY], [__attribute__ ((visibility ("default")))], [Define to the attribute for default visibility.])
|
|
AC_DEFINE([PRINTF_FORMAT(a, b)], [__attribute__ ((__format__ (__printf__, a, b)))], [Define to the attribute for enabling parameter checks on printf-like functions.])
|
|
|
|
create_import_lib=
|
|
is_android_linux=
|
|
AC_MSG_CHECKING([operating system])
|
|
case $host in
|
|
*-darwin*)
|
|
AC_MSG_RESULT([Darwin/Mac OS X])
|
|
backend=darwin
|
|
platform=posix
|
|
;;
|
|
*-haiku*)
|
|
AC_MSG_RESULT([Haiku])
|
|
backend=haiku
|
|
platform=posix
|
|
;;
|
|
*-linux* | *-uclinux*)
|
|
dnl on Android Linux, some functions are in different places
|
|
case $host in
|
|
*-linux-android*)
|
|
AC_MSG_RESULT([Android Linux])
|
|
is_android_linux=yes
|
|
;;
|
|
*)
|
|
AC_MSG_RESULT([Linux])
|
|
;;
|
|
esac
|
|
backend=linux
|
|
platform=posix
|
|
;;
|
|
*-netbsd*)
|
|
AC_MSG_RESULT([NetBSD])
|
|
backend=netbsd
|
|
platform=posix
|
|
;;
|
|
*-openbsd*)
|
|
AC_MSG_RESULT([OpenBSD])
|
|
backend=openbsd
|
|
platform=posix
|
|
;;
|
|
*-solaris*)
|
|
AC_MSG_RESULT([SunOS])
|
|
backend=sunos
|
|
platform=posix
|
|
;;
|
|
*-cygwin*)
|
|
AC_MSG_RESULT([Windows (using Cygwin)])
|
|
backend=windows
|
|
platform=windows
|
|
EXTRA_CFLAGS="-mwin32"
|
|
;;
|
|
*-mingw* | *msys*)
|
|
AC_MSG_RESULT([Windows])
|
|
backend=windows
|
|
platform=windows
|
|
test "x$enable_shared" = xyes && create_import_lib=yes
|
|
EXTRA_CFLAGS="-mwin32 -fno-omit-frame-pointer"
|
|
;;
|
|
*)
|
|
AC_MSG_RESULT([Null])
|
|
AC_MSG_WARN([The host being compiled for is not supported.])
|
|
AC_MSG_WARN([The library may compile but will not function in any useful manner.])
|
|
backend=null
|
|
platform=posix
|
|
;;
|
|
esac
|
|
|
|
if test "x$platform" = xposix; then
|
|
AC_DEFINE([PLATFORM_POSIX], [1], [Define to 1 if compiling for a POSIX platform.])
|
|
AC_CHECK_TYPES([nfds_t], [], [], [[#include <poll.h>]])
|
|
AC_CHECK_FUNCS([pipe2])
|
|
dnl Some compilers do not support the '-pthread' option so check for it here
|
|
saved_CFLAGS="${CFLAGS}"
|
|
CFLAGS="-Wall -Werror -pthread"
|
|
AC_MSG_CHECKING([if $CC recognizes -pthread])
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])],
|
|
[AC_MSG_RESULT([yes])
|
|
AC_SUBST(THREAD_CFLAGS, [-pthread])],
|
|
[AC_MSG_RESULT([no])])
|
|
CFLAGS="${saved_CFLAGS}"
|
|
dnl Android Linux and Darwin provide pthread functions directly in libc
|
|
dnl glibc also provides some pthread functions directly, so search for a thread-specific function
|
|
AC_SEARCH_LIBS([pthread_create], [pthread],
|
|
[test "x$ac_cv_search_pthread_create" != "xnone required" && AC_SUBST(THREAD_LIBS, [-lpthread])],
|
|
[], [])
|
|
elif test "x$platform" = xwindows; then
|
|
AC_DEFINE([PLATFORM_WINDOWS], [1], [Define to 1 if compiling for a Windows platform.])
|
|
else
|
|
AC_MSG_ERROR([Unknown platform])
|
|
fi
|
|
|
|
case $backend in
|
|
darwin)
|
|
AC_CHECK_FUNCS([pthread_threadid_np])
|
|
LIBS="${LIBS} -lobjc -Wl,-framework,IOKit -Wl,-framework,CoreFoundation"
|
|
;;
|
|
haiku)
|
|
LIBS="${LIBS} -lbe"
|
|
;;
|
|
linux)
|
|
AC_SEARCH_LIBS([clock_gettime], [rt], [], [], [])
|
|
AC_CHECK_FUNCS([pthread_setname_np])
|
|
AC_ARG_ENABLE([udev],
|
|
[AC_HELP_STRING([--enable-udev], [use udev for device enumeration and hotplug support (recommended) [default=yes]])],
|
|
[use_udev=$enableval], [use_udev=yes])
|
|
if test "x$use_udev" = xyes; then
|
|
dnl system has udev. use it or fail!
|
|
AC_CHECK_HEADER([libudev.h], [], [AC_MSG_ERROR([udev support requested but libudev header not installed])])
|
|
AC_CHECK_LIB([udev], [udev_new], [], [AC_MSG_ERROR([udev support requested but libudev not installed])])
|
|
else
|
|
AC_CHECK_HEADERS([asm/types.h])
|
|
AC_CHECK_HEADER([linux/netlink.h], [], [AC_MSG_ERROR([Linux netlink header not found])])
|
|
AC_CHECK_HEADER([sys/socket.h], [], [AC_MSG_ERROR([Linux socket header not found])])
|
|
fi
|
|
;;
|
|
sunos)
|
|
LIBS="${LIBS} -ldevinfo"
|
|
;;
|
|
windows)
|
|
AC_CHECK_TYPES([struct timespec], [], [], [[#include <time.h>]])
|
|
AC_DEFINE([_WIN32_WINNT], [_WIN32_WINNT_VISTA], [Define to the oldest supported Windows version.])
|
|
LT_LDFLAGS="${LT_LDFLAGS} -avoid-version -Wl,--add-stdcall-alias"
|
|
;;
|
|
*)
|
|
dnl no special handling required
|
|
;;
|
|
esac
|
|
|
|
dnl headers not available on all platforms but required on others
|
|
AC_CHECK_HEADERS([sys/time.h])
|
|
|
|
if test "x$platform" = xposix; then
|
|
dnl the clock_gettime() function needs certain clock IDs defined
|
|
AC_CHECK_FUNCS([clock_gettime], [have_clock_gettime=yes], [have_clock_gettime=])
|
|
if test "x$have_clock_gettime" = xyes; then
|
|
AC_CHECK_DECL([CLOCK_MONOTONIC], [], [AC_MSG_ERROR([C library headers missing definition for CLOCK_MONOTONIC])], [[#include <time.h>]])
|
|
dnl use the monotonic clock for condition variable timed waits if possible
|
|
AC_CHECK_FUNCS([pthread_condattr_setclock], [need_clock_realtime=], [need_clock_realtime=yes])
|
|
if test "x$need_clock_realtime" = xyes; then
|
|
AC_CHECK_DECL([CLOCK_REALTIME], [], [AC_MSG_ERROR([C library headers missing definition for CLOCK_REALTIME])], [[#include <time.h>]])
|
|
fi
|
|
elif test "x$backend" != xdarwin; then
|
|
AC_MSG_ERROR([clock_gettime() is required on this platform])
|
|
fi
|
|
fi
|
|
|
|
dnl eventfd support
|
|
if test "x$backend" = xlinux || test "x$backend" = xsunos; then
|
|
AC_ARG_ENABLE([eventfd],
|
|
[AS_HELP_STRING([--enable-eventfd], [use eventfd for signalling [default=auto]])],
|
|
[use_eventfd=$enableval],
|
|
[use_eventfd=auto])
|
|
if test "x$use_eventfd" != xno; then
|
|
AC_CHECK_HEADER([sys/eventfd.h], [eventfd_h=yes], [eventfd_h=])
|
|
if test "x$eventfd_h" = xyes; then
|
|
AC_CHECK_DECLS([EFD_NONBLOCK, EFD_CLOEXEC], [eventfd_h_ok=yes], [eventfd_h_ok=], [[#include <sys/eventfd.h>]])
|
|
if test "x$eventfd_h_ok" = xyes; then
|
|
AC_CHECK_FUNC([eventfd], [eventfd_ok=yes], [eventfd_ok=])
|
|
if test "x$eventfd_ok" = xyes; then
|
|
AC_DEFINE([HAVE_EVENTFD], [1], [Define to 1 if the system has eventfd functionality.])
|
|
elif test "x$use_eventfd" = xyes; then
|
|
AC_MSG_ERROR([eventfd() function not found; glibc 2.9+ required])
|
|
fi
|
|
elif test "x$use_eventfd" = xyes; then
|
|
AC_MSG_ERROR([eventfd header not usable; glibc 2.9+ required])
|
|
fi
|
|
elif test "x$use_eventfd" = xyes; then
|
|
AC_MSG_ERROR([eventfd header not available; glibc 2.9+ required])
|
|
fi
|
|
fi
|
|
AC_MSG_CHECKING([whether to use eventfd for signalling])
|
|
if test "x$use_eventfd" = xno; then
|
|
AC_MSG_RESULT([no (disabled by user)])
|
|
elif test "x$eventfd_h" != xyes; then
|
|
AC_MSG_RESULT([no (header not available)])
|
|
elif test "x$eventfd_h_ok" != xyes; then
|
|
AC_MSG_RESULT([no (header not usable)])
|
|
elif test "x$eventfd_ok" != xyes; then
|
|
AC_MSG_RESULT([no (functions not available)])
|
|
else
|
|
AC_MSG_RESULT([yes])
|
|
fi
|
|
fi
|
|
|
|
dnl timerfd support
|
|
if test "x$backend" = xlinux || test "x$backend" = xsunos; then
|
|
AC_ARG_ENABLE([timerfd],
|
|
[AS_HELP_STRING([--enable-timerfd], [use timerfd for timing [default=auto]])],
|
|
[use_timerfd=$enableval],
|
|
[use_timerfd=auto])
|
|
if test "x$use_timerfd" != xno; then
|
|
AC_CHECK_HEADER([sys/timerfd.h], [timerfd_h=yes], [timerfd_h=])
|
|
if test "x$timerfd_h" = xyes; then
|
|
AC_CHECK_DECLS([TFD_NONBLOCK, TFD_CLOEXEC], [timerfd_h_ok=yes], [timerfd_h_ok=], [[#include <sys/timerfd.h>]])
|
|
if test "x$timerfd_h_ok" = xyes; then
|
|
AC_CHECK_FUNC([timerfd_create], [timerfd_ok=yes], [timerfd_ok=])
|
|
if test "x$timerfd_ok" = xyes; then
|
|
AC_DEFINE([HAVE_TIMERFD], [1], [Define to 1 if the system has timerfd functionality.])
|
|
elif test "x$use_timerfd" = xyes; then
|
|
AC_MSG_ERROR([timerfd_create() function not found; glibc 2.9+ required])
|
|
fi
|
|
elif test "x$use_timerfd" = xyes; then
|
|
AC_MSG_ERROR([timerfd header not usable; glibc 2.9+ required])
|
|
fi
|
|
elif test "x$use_timerfd" = xyes; then
|
|
AC_MSG_ERROR([timerfd header not available; glibc 2.9+ required])
|
|
fi
|
|
fi
|
|
AC_MSG_CHECKING([whether to use timerfd for timing])
|
|
if test "x$use_timerfd" = xno; then
|
|
AC_MSG_RESULT([no (disabled by user)])
|
|
elif test "x$timerfd_h" != xyes; then
|
|
AC_MSG_RESULT([no (header not available)])
|
|
elif test "x$timerfd_h_ok" != xyes; then
|
|
AC_MSG_RESULT([no (header not usable)])
|
|
elif test "x$timerfd_ok" != xyes; then
|
|
AC_MSG_RESULT([no (functions not available)])
|
|
else
|
|
AC_MSG_RESULT([yes])
|
|
fi
|
|
fi
|
|
|
|
dnl Message logging
|
|
AC_ARG_ENABLE([log],
|
|
[AS_HELP_STRING([--disable-log], [disable all logging])],
|
|
[log_enabled=$enableval],
|
|
[log_enabled=yes])
|
|
if test "x$log_enabled" != xno; then
|
|
AC_DEFINE([ENABLE_LOGGING], [1], [Define to 1 to enable message logging.])
|
|
fi
|
|
|
|
AC_ARG_ENABLE([debug-log],
|
|
[AS_HELP_STRING([--enable-debug-log], [start with debug message logging enabled [default=no]])],
|
|
[debug_log_enabled=$enableval],
|
|
[debug_log_enabled=no])
|
|
if test "x$debug_log_enabled" != xno; then
|
|
AC_DEFINE([ENABLE_DEBUG_LOGGING], [1], [Define to 1 to start with debug message logging enabled.])
|
|
fi
|
|
|
|
AC_ARG_ENABLE([system-log],
|
|
[AS_HELP_STRING([--enable-system-log], [output logging messages to the systemwide log, if supported by the OS [default=no]])],
|
|
[system_log_enabled=$enableval],
|
|
[system_log_enabled=no])
|
|
if test "x$system_log_enabled" != xno; then
|
|
AC_DEFINE([USE_SYSTEM_LOGGING_FACILITY], [1], [Define to 1 to output logging messages to the systemwide log.])
|
|
if test "x$backend" != xwindows && test "x$is_android_linux" != xyes; then
|
|
dnl Check if syslog is available in standard C library
|
|
AC_CHECK_HEADER([syslog.h], [syslog_h=yes], [syslog_h=])
|
|
if test "x$syslog_h" = xyes; then
|
|
AC_CHECK_FUNCS([syslog])
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
dnl Examples build
|
|
AC_ARG_ENABLE([examples-build],
|
|
[AS_HELP_STRING([--enable-examples-build], [build example applications [default=no]])],
|
|
[build_examples=$enableval],
|
|
[build_examples=no])
|
|
|
|
dnl Tests build
|
|
AC_ARG_ENABLE([tests-build],
|
|
[AS_HELP_STRING([--enable-tests-build], [build test applications [default=no]])],
|
|
[build_tests=$enableval],
|
|
[build_tests=no])
|
|
|
|
AM_CONDITIONAL([BUILD_EXAMPLES], [test "x$build_examples" != xno])
|
|
AM_CONDITIONAL([BUILD_TESTS], [test "x$build_tests" != xno])
|
|
AM_CONDITIONAL([CREATE_IMPORT_LIB], [test "x$create_import_lib" = xyes])
|
|
AM_CONDITIONAL([OS_DARWIN], [test "x$backend" = xdarwin])
|
|
AM_CONDITIONAL([OS_HAIKU], [test "x$backend" = xhaiku])
|
|
AM_CONDITIONAL([OS_LINUX], [test "x$backend" = xlinux])
|
|
AM_CONDITIONAL([OS_NETBSD], [test "x$backend" = xnetbsd])
|
|
AM_CONDITIONAL([OS_NULL], [test "x$backend" = xnull])
|
|
AM_CONDITIONAL([OS_OPENBSD], [test "x$backend" = xopenbsd])
|
|
AM_CONDITIONAL([OS_SUNOS], [test "x$backend" = xsunos])
|
|
AM_CONDITIONAL([OS_WINDOWS], [test "x$backend" = xwindows])
|
|
AM_CONDITIONAL([PLATFORM_POSIX], [test "x$platform" = xposix])
|
|
AM_CONDITIONAL([PLATFORM_WINDOWS], [test "x$platform" = xwindows])
|
|
AM_CONDITIONAL([USE_UDEV], [test "x$use_udev" = xyes])
|
|
|
|
dnl The -Wcast-function-type warning causes a flurry of warnings when compiling
|
|
dnl Windows with GCC 8 or later because of dynamically loaded functions
|
|
if test "x$backend" = xwindows; then
|
|
saved_CFLAGS="${CFLAGS}"
|
|
CFLAGS="-Werror -Wcast-function-type"
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])],
|
|
[EXTRA_CFLAGS="${EXTRA_CFLAGS} -Wno-cast-function-type"],
|
|
[])
|
|
CFLAGS="${saved_CFLAGS}"
|
|
fi
|
|
|
|
SHARED_CFLAGS="-Wall -Wextra -Wshadow -Wunused -Wwrite-strings -Werror=format-security -Werror=implicit-function-declaration -Werror=implicit-int -Werror=init-self -Werror=missing-prototypes -Werror=strict-prototypes -Werror=undef -Werror=uninitialized"
|
|
|
|
AM_CPPFLAGS="${EXTRA_CPPFLAGS}"
|
|
AC_SUBST(AM_CPPFLAGS)
|
|
|
|
AM_CFLAGS="-std=${c_dialect}11 ${EXTRA_CFLAGS} ${SHARED_CFLAGS}"
|
|
AC_SUBST(AM_CFLAGS)
|
|
|
|
AM_CXXFLAGS="-std=${c_dialect}++11 ${EXTRA_CFLAGS} ${SHARED_CFLAGS} -Wmissing-declarations"
|
|
AC_SUBST(AM_CXXFLAGS)
|
|
|
|
AC_SUBST(LT_LDFLAGS)
|
|
|
|
dnl set name of html output directory for doxygen
|
|
AC_SUBST(DOXYGEN_HTMLDIR, [api-1.0])
|
|
|
|
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
|