250 lines
7.9 KiB
Plaintext
250 lines
7.9 KiB
Plaintext
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dnl These m4 macros are whitespace sensitive and break if moved around much.
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m4_define([LU_VERSION_H], m4_include([libusb/version.h]))
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m4_define([LU_DEFINE_VERSION_ATOM],
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[m4_define([$1], m4_bregexp(LU_VERSION_H,
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[^#define\s*$1\s*\([0-9]*\).*], [\1]))])
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m4_define([LU_DEFINE_VERSION_RC_ATOM],
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[m4_define([$1], m4_bregexp(LU_VERSION_H,
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[^#define\s*$1\s*"\(-rc[0-9]*\)".*], [\1]))])
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dnl The m4_bregexp() returns (only) the numbers following the #define named
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dnl in the first macro parameter. m4_define() then defines the name for use
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dnl in AC_INIT.
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LU_DEFINE_VERSION_ATOM([LIBUSB_MAJOR])
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LU_DEFINE_VERSION_ATOM([LIBUSB_MINOR])
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LU_DEFINE_VERSION_ATOM([LIBUSB_MICRO])
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LU_DEFINE_VERSION_RC_ATOM([LIBUSB_RC])
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AC_INIT([libusbx],[LIBUSB_MAJOR[.]LIBUSB_MINOR[.]LIBUSB_MICRO[]LIBUSB_RC],[libusbx-devel@lists.sourceforge.net],[libusbx],[http://libusbx.org])
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# Library versioning
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# These numbers should be tweaked on every release. Read carefully:
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# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
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# http://sourceware.org/autobook/autobook/autobook_91.html
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lt_current="1"
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lt_revision="0"
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lt_age="1"
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LTLDFLAGS="-version-info ${lt_current}:${lt_revision}:${lt_age}"
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AM_INIT_AUTOMAKE
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AM_MAINTAINER_MODE
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AC_CONFIG_SRCDIR([libusb/core.c])
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AC_CONFIG_MACRO_DIR([m4])
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AC_CONFIG_HEADERS([config.h])
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m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
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AC_PREREQ([2.50])
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AC_PROG_CC
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LT_INIT
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LT_LANG([Windows Resource])
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AC_C_INLINE
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AM_PROG_CC_C_O
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AC_DEFINE([_GNU_SOURCE], 1, [Use GNU extensions])
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LTLDFLAGS="${LTLDFLAGS} -no-undefined"
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AC_MSG_CHECKING([operating system])
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case $host in
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*-linux*)
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AC_MSG_RESULT([Linux])
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backend="linux"
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threads="posix"
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;;
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*-darwin*)
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AC_MSG_RESULT([Darwin/Mac OS X])
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backend="darwin"
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threads="posix"
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;;
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*-openbsd*)
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AC_MSG_RESULT([OpenBSD])
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backend="bsd"
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threads="posix"
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;;
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*-netbsd*)
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AC_MSG_RESULT([NetBSD (using OpenBSD backend)])
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backend="bsd"
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threads="posix"
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;;
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*-mingw*)
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AC_MSG_RESULT([Windows])
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backend="windows"
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threads="windows"
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create_import_lib="yes"
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AM_CFLAGS="${AM_CFLAGS} -fno-omit-frame-pointer"
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;;
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*-cygwin*)
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AC_MSG_RESULT([Cygwin (using Windows backend)])
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backend="windows"
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threads="posix"
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;;
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*)
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AC_MSG_ERROR([unsupported operating system])
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esac
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case $backend in
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linux)
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AC_DEFINE(OS_LINUX, 1, [Linux backend])
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AC_SUBST(OS_LINUX)
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AC_SEARCH_LIBS(clock_gettime, rt, [], [], -pthread)
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AC_ARG_ENABLE([udev],
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[AC_HELP_STRING([--enable-udev], [use udev for device enumeration and hotplug support (recommended, default: yes)])],
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[], [enable_udev="yes"])
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if test "x$enable_udev" = "xyes" ; then
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# system has udev. use it or fail!
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AC_CHECK_HEADERS([libudev.h],[],[AC_ERROR(["udev support requested but libudev not installed"])])
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AC_CHECK_LIB([udev], [udev_new], [], [AC_ERROR(["udev support requested but libudev not installed"])])
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AC_DEFINE(USE_UDEV, 1, [Use udev for device enumeration/hotplug])
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else
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AC_CHECK_HEADERS([linux/netlink.h linux/filter.h], [], [AC_ERROR(["Linux netlink headers not found"])])
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fi
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AC_SUBST(USE_UDEV)
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THREAD_CFLAGS="-pthread"
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LIBS="${LIBS} -pthread"
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AC_CHECK_HEADERS([poll.h])
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AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument])
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;;
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darwin)
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AC_DEFINE(OS_DARWIN, 1, [Darwin backend])
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AC_SUBST(OS_DARWIN)
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LIBS="-lobjc -Wl,-framework,IOKit -Wl,-framework,CoreFoundation"
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LTLDFLAGS="${LTLDFLAGS} -Wl,-prebind"
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AC_CHECK_HEADERS([poll.h])
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AC_CHECK_TYPE([nfds_t],
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[AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument])],
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[AC_DEFINE([POLL_NFDS_TYPE],[unsigned int],[type of second poll() argument])],
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[#include <poll.h>])
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;;
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bsd)
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AC_DEFINE(OS_OPENBSD, 1, [OpenBSD/NetBSD backend])
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AC_SUBST(OS_OPENBSD)
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THREAD_CFLAGS="-pthread"
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LIBS="-pthread"
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AC_CHECK_HEADERS([poll.h])
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AC_DEFINE([POLL_NFDS_TYPE],[nfds_t],[type of second poll() argument])
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;;
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windows)
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AC_DEFINE(OS_WINDOWS, 1, [Windows backend])
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AC_SUBST(OS_WINDOWS)
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LIBS=""
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LTLDFLAGS="${LTLDFLAGS} -avoid-version -Wl,--add-stdcall-alias"
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AC_DEFINE([POLL_NFDS_TYPE],[unsigned int],[type of second poll() argument])
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;;
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esac
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AC_SUBST(LIBS)
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AM_CONDITIONAL(OS_LINUX, test "x$backend" = xlinux)
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AM_CONDITIONAL(OS_DARWIN, test "x$backend" = xdarwin)
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AM_CONDITIONAL(OS_OPENBSD, test "x$backend" = xbsd)
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AM_CONDITIONAL(OS_WINDOWS, test "x$backend" = xwindows)
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AM_CONDITIONAL(THREADS_POSIX, test "x$threads" = xposix)
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AM_CONDITIONAL(CREATE_IMPORT_LIB, test "x$create_import_lib" = "xyes")
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AM_CONDITIONAL(USE_UDEV, test "x$enable_udev" = xyes)
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if test "$threads" = posix; then
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AC_DEFINE(THREADS_POSIX, 1, [Use POSIX Threads])
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fi
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# timerfd
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AC_CHECK_HEADER([sys/timerfd.h], [timerfd_h=1], [timerfd_h=0])
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AC_ARG_ENABLE([timerfd],
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[AS_HELP_STRING([--enable-timerfd],
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[use timerfd for timing (default auto)])],
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[use_timerfd=$enableval], [use_timerfd='auto'])
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if test "x$use_timerfd" = "xyes" -a "x$timerfd_h" = "x0"; then
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AC_MSG_ERROR([timerfd header not available; glibc 2.9+ required])
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fi
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AC_CHECK_DECL([TFD_NONBLOCK], [tfd_hdr_ok=yes], [tfd_hdr_ok=no], [#include <sys/timerfd.h>])
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if test "x$use_timerfd" = "xyes" -a "x$tfd_hdr_ok" = "xno"; then
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AC_MSG_ERROR([timerfd header not usable; glibc 2.9+ required])
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fi
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AC_MSG_CHECKING([whether to use timerfd for timing])
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if test "x$use_timerfd" = "xno"; then
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AC_MSG_RESULT([no (disabled by user)])
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else
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if test "x$timerfd_h" = "x1" -a "x$tfd_hdr_ok" = "xyes"; then
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AC_MSG_RESULT([yes])
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AC_DEFINE(USBI_TIMERFD_AVAILABLE, 1, [timerfd headers available])
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else
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AC_MSG_RESULT([no (header not available)])
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fi
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fi
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AC_CHECK_TYPES(struct timespec)
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# Message logging
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AC_ARG_ENABLE([log], [AS_HELP_STRING([--disable-log], [disable all logging])],
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[log_enabled=$enableval],
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[log_enabled='yes'])
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if test "x$log_enabled" != "xno"; then
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AC_DEFINE([ENABLE_LOGGING], 1, [Message logging])
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fi
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AC_ARG_ENABLE([debug-log], [AS_HELP_STRING([--enable-debug-log],
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[start with debug message logging enabled (default n)])],
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[debug_log_enabled=$enableval],
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[debug_log_enabled='no'])
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if test "x$debug_log_enabled" != "xno"; then
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AC_DEFINE([ENABLE_DEBUG_LOGGING], 1, [Start with debug message logging enabled])
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fi
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# Examples build
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AC_ARG_ENABLE([examples-build], [AS_HELP_STRING([--enable-examples-build],
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[build example applications (default n)])],
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[build_examples=$enableval],
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[build_examples='no'])
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AM_CONDITIONAL([BUILD_EXAMPLES], [test "x$build_examples" != "xno"])
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# Tests build
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AC_ARG_ENABLE([tests-build], [AS_HELP_STRING([--enable-tests-build],
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[build test applications (default n)])],
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[build_tests=$enableval],
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[build_tests='no'])
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AM_CONDITIONAL([BUILD_TESTS], [test "x$build_tests" != "xno"])
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# check for -fvisibility=hidden compiler support (GCC >= 3.4)
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saved_cflags="$CFLAGS"
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# -Werror required for cygwin
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CFLAGS="$CFLAGS -Werror -fvisibility=hidden"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
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[VISIBILITY_CFLAGS="-fvisibility=hidden"
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AC_DEFINE([DEFAULT_VISIBILITY], [__attribute__((visibility("default")))], [Default visibility]) ],
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[ VISIBILITY_CFLAGS=""
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AC_DEFINE([DEFAULT_VISIBILITY], [], [Default visibility]) ],
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])
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CFLAGS="$saved_cflags"
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# check for -Wno-pointer-sign compiler support (GCC >= 4)
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saved_cflags="$CFLAGS"
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CFLAGS="$CFLAGS -Wno-pointer-sign"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
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nopointersign_cflags="-Wno-pointer-sign", nopointersign_cflags="")
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CFLAGS="$saved_cflags"
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# sigaction not available on MinGW
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AC_CHECK_FUNC([sigaction], [have_sigaction=yes], [have_sigaction=no])
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AM_CONDITIONAL([HAVE_SIGACTION], [test "x$have_sigaction" = "xyes"])
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# headers not available on all platforms but required on others
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AC_CHECK_HEADERS([sys/time.h])
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AC_CHECK_FUNCS(gettimeofday)
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AC_CHECK_HEADERS([signal.h])
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AM_CFLAGS="${AM_CFLAGS} -std=gnu99 -Wall -Wundef -Wunused -Wstrict-prototypes -Werror-implicit-function-declaration $nopointersign_cflags -Wshadow ${THREAD_CFLAGS} ${VISIBILITY_CFLAGS}"
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AC_SUBST(AM_CFLAGS)
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AC_SUBST(LTLDFLAGS)
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AC_CONFIG_FILES([libusb-1.0.pc])
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AC_CONFIG_FILES([Makefile])
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AC_CONFIG_FILES([libusb/Makefile])
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AC_CONFIG_FILES([examples/Makefile])
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AC_CONFIG_FILES([tests/Makefile])
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AC_CONFIG_FILES([doc/Makefile])
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AC_CONFIG_FILES([doc/doxygen.cfg])
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AC_OUTPUT
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