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configure.ac
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AC_PREREQ([2.69])
dnl initialize autoconf
dnl when going to/from release please set the nano (fourth number) right !
dnl releases only do Wall, git and prerelease does Werror too
dnl
AC_INIT([GStreamer],[1.15.0.1],[http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer],[gstreamer])
AG_GST_INIT
dnl initialize automake (we require GNU make)
AM_INIT_AUTOMAKE([-Wno-portability 1.14 no-dist-gzip dist-xz tar-ustar subdir-objects])
dnl define PACKAGE_VERSION_* variables
AS_VERSION
dnl check if this is a release version
AS_NANO(GST_GIT="no", GST_GIT="yes")
dnl can autoconf find the source ?
AC_CONFIG_SRCDIR([gst/gst.c])
dnl define the output header for config
AC_CONFIG_HEADERS([config.h])
dnl AM_MAINTAINER_MODE only provides the option to configure to enable it
AM_MAINTAINER_MODE([enable])
dnl sets host_* variables
AC_CANONICAL_HOST
dnl use pretty build output by default
AM_SILENT_RULES([yes])
dnl GStreamer versioning, this is mostly informational
GST_VERSION_MAJOR=$PACKAGE_VERSION_MAJOR
GST_VERSION_MINOR=$PACKAGE_VERSION_MINOR
GST_VERSION_MICRO=$PACKAGE_VERSION_MICRO
GST_VERSION_NANO=$PACKAGE_VERSION_NANO
AC_SUBST(GST_VERSION_MAJOR)
AC_SUBST(GST_VERSION_MINOR)
AC_SUBST(GST_VERSION_MICRO)
AC_SUBST(GST_VERSION_NANO)
dnl our libraries and install dirs use GST_API_VERSION in the filename
dnl to allow side-by-side installation of different API versions
GST_API_VERSION=1.0
AC_SUBST(GST_API_VERSION)
AC_DEFINE_UNQUOTED(GST_API_VERSION, "$GST_API_VERSION",
[GStreamer API Version])
dnl CURRENT, REVISION, AGE
dnl - library source changed -> increment REVISION
dnl - interfaces added/removed/changed -> increment CURRENT, REVISION = 0
dnl - interfaces added -> increment AGE
dnl - interfaces removed -> AGE = 0
dnl
dnl Keep CURRENT as MINOR * 100 + MICRO
dnl Ex : 1.0.0 => 0
dnl 1.0.3 => 3
dnl 1.1.0 => 100
dnl 1.2.5 => 205
dnl 1.10.9 (who knows) => 1009
dnl
dnl sets GST_LT_LDFLAGS
AS_LIBTOOL(GST, 1500, 0, 1500)
dnl *** autotools stuff ****
dnl allow for different autotools
AS_AUTOTOOLS_ALTERNATE
dnl Add parameters for aclocal (keep in sync with Makefile.am)
AC_SUBST(ACLOCAL_AMFLAGS, "-I m4 -I common/m4")
dnl set up gettext
dnl the version check needs to stay here because autopoint greps for it
AM_GNU_GETTEXT_VERSION([0.17])
AM_GNU_GETTEXT([external])
AG_GST_GETTEXT([gstreamer-$GST_API_VERSION])
dnl *** check for arguments to configure ***
AG_GST_ARG_DISABLE_FATAL_WARNINGS
AG_GST_ARG_ENABLE_EXTRA_CHECKS
dnl subsystems - can influence other decisions so needs to be high up
dnl we need to AM_CONDITIONAL them here for automake 1.6.x compatibility
AG_GST_CHECK_SUBSYSTEM_DISABLE(GST_DEBUG,[debugging subsystem])
AM_CONDITIONAL(GST_DISABLE_GST_DEBUG, test "x$GST_DISABLE_GST_DEBUG" = "xyes")
AG_GST_CHECK_SUBSYSTEM_DISABLE(GST_TRACER_HOOKS,[tracing subsystem hooks])
AM_CONDITIONAL(GST_DISABLE_GST_TRACER_HOOKS, test "x$GST_DISABLE_GST_TRACER_HOOKS" = "xyes")
if test "x$GST_DISABLE_GST_TRACER_HOOKS" = xyes; then
AC_DEFINE(GST_DISABLE_GST_TRACER_HOOKS, 1,
[Define if tracing subsystem hooks is disabled])
fi
AG_GST_CHECK_SUBSYSTEM_DISABLE(PARSE,[command-line parser])
AM_CONDITIONAL(GST_DISABLE_PARSE, test "x$GST_DISABLE_PARSE" = "xyes")
if test "x$GST_DISABLE_PARSE" = xyes; then
AC_DEFINE(GST_DISABLE_PARSE, 1,
[Define if pipeline parsing code is disabled])
fi
AG_GST_CHECK_SUBSYSTEM_DISABLE(OPTION_PARSING,[option parsing when gst_init])
AM_CONDITIONAL(GST_DISABLE_OPTION_PARSING, test "x$GST_DISABLE_OPTION_PARSING" = "xyes")
if test "x$GST_DISABLE_OPTION_PARSING" = xyes; then
AC_DEFINE(GST_DISABLE_OPTION_PARSING, 1,
[Define if option parsing is disabled])
fi
AG_GST_CHECK_SUBSYSTEM_DISABLE(REGISTRY,[plugin registry])
AM_CONDITIONAL(GST_DISABLE_REGISTRY, test "x$GST_DISABLE_REGISTRY" = "xyes")
dnl define a substitution to use in docs/gst/gstreamer.types
if test "x$GST_DISABLE_REGISTRY" = "xyes"
then
GST_REGISTRY_DOC_TYPES="%"
else
GST_REGISTRY_DOC_TYPES=
fi
AC_SUBST(GST_REGISTRY_DOC_TYPES)
AG_GST_CHECK_SUBSYSTEM_DISABLE(PLUGIN,[plugin])
AM_CONDITIONAL(GST_DISABLE_PLUGIN, test "x$GST_DISABLE_PLUGIN" = "xyes")
AG_GST_ARG_DEBUG
AG_GST_ARG_PROFILING
AG_GST_ARG_VALGRIND
AG_GST_ARG_GCOV
AG_GST_ARG_EXAMPLES
AG_GST_ARG_WITH_PKG_CONFIG_PATH
AG_GST_ARG_WITH_PACKAGE_NAME
AG_GST_ARG_WITH_PACKAGE_ORIGIN
AG_GST_PKG_CONFIG_PATH
AG_GST_SET_PACKAGE_RELEASE_DATETIME_WITH_NANO([$PACKAGE_VERSION_NANO],
["${srcdir}/gstreamer.doap"],
[$PACKAGE_VERSION_MAJOR.$PACKAGE_VERSION_MINOR.$PACKAGE_VERSION_MICRO])
# We only use this when building with MSVC, which is only done with the
# alternate Meson build system files
GSTCONFIG_BUILT_WITH_MSVC=0
AC_SUBST(GSTCONFIG_BUILT_WITH_MSVC)
dnl check for bash completion
AC_ARG_WITH([bash-completion-dir],
AS_HELP_STRING([--with-bash-completion-dir[=PATH]],
[Install the bash auto-completion script in this directory. @<:@default=yes@:>@]),
[],
[with_bash_completion_dir=yes])
if test "x$with_bash_completion_dir" = "xyes"
then
extra_args=
if test "x$prefix" != "xNONE"
then
extra_args="--define-variable=prefix=\"$prefix\""
fi
PKG_CHECK_MODULES([BASH_COMPLETION], [bash-completion >= 2.0],
[
BASH_COMPLETION_DIR="`eval pkg-config $extra_args --variable=completionsdir bash-completion`"
BASH_HELPERS_DIR="`eval pkg-config $extra_args --variable=helpersdir bash-completion`"
],
[
BASH_COMPLETION_DIR="$datadir/bash-completion/completions"
BASH_HELPERS_DIR="$datadir/bash-completion/helpers"
])
else
BASH_COMPLETION_DIR="$with_bash_completion_dir/completions"
BASH_HELPERS_DIR="$with_bash_completion_dir/helpers"
fi
AC_SUBST([BASH_COMPLETION_DIR])
AC_SUBST([BASH_HELPERS_DIR])
AM_CONDITIONAL([ENABLE_BASH_COMPLETION],[test "x$with_bash_completion_dir" != "xno"])
dnl If only building static libraries, define GST_STATIC_COMPILATION. This is
dnl needed only on Windows, but it doesn't hurt to have it everywhere.
if test x$enable_static = xyes -a x$enable_shared = xno; then
GST_OBJ_STATIC_CFLAGS="-DGST_STATIC_COMPILATION"
fi
dnl building of tests
AC_ARG_ENABLE(tests,
AS_HELP_STRING([--disable-tests],[disable building test apps]),
[
case "${enableval}" in
yes) BUILD_TESTS=yes ;;
no) BUILD_TESTS=no ;;
*) AC_MSG_ERROR(bad value ${enableval} for --disable-tests) ;;
esac
],
[BUILD_TESTS=yes]) dnl Default value
AM_CONDITIONAL(BUILD_TESTS, test "x$BUILD_TESTS" = "xyes")
dnl tests known to fail
AC_ARG_ENABLE(failing-tests,
AS_HELP_STRING([--disable-failing-tests],[disable building tests known to fail]),
[
case "${enableval}" in
yes) BUILD_FAILING_TESTS=yes ;;
no) BUILD_FAILING_TESTS=no ;;
*) AC_MSG_ERROR(bad value ${enableval} for --disable-failing-tests) ;;
esac
],
[BUILD_FAILING_TESTS=no]) dnl Default value
AM_CONDITIONAL(BUILD_FAILING_TESTS, test "x$BUILD_FAILING_TESTS" = "xyes")
if test x$BUILD_FAILING_TESTS = xyes; then
AC_MSG_WARN([building tests known to fail, use --disable-failing-tests to disable])
else
AC_MSG_WARN([Sissy ! By asking to not build the tests known to fail, you hereby waive your right to customer support. If you do not agree with this EULA, please press Ctrl-C before the next line is printed. By allowing the next line to be printed, you expressly acknowledge your acceptance of this EULA.])
fi
dnl building of benchmarks
AC_ARG_ENABLE(benchmarks,
AS_HELP_STRING([--disable-benchmarks],[disable building benchmarks apps]),
[
case "${enableval}" in
yes) BUILD_BENCHMARKS=yes ;;
no) BUILD_BENCHMARKS=no ;;
*) AC_MSG_ERROR(bad value ${enableval} for --disable-benchmarks) ;;
esac
],
[BUILD_BENCHMARKS=yes]) dnl Default value
AM_CONDITIONAL(BUILD_BENCHMARKS, test "x$BUILD_BENCHMARKS" = "xyes")
dnl building of tools
AC_ARG_ENABLE(tools,
AS_HELP_STRING([--disable-tools],[disable building tools]),
[
case "${enableval}" in
yes) BUILD_TOOLS=yes ;;
no) BUILD_TOOLS=no ;;
*) AC_MSG_ERROR(bad value ${enableval} for --disable-tools) ;;
esac
],
[BUILD_TOOLS=yes]) dnl Default value
AM_CONDITIONAL(BUILD_TOOLS, test "x$BUILD_TOOLS" = "xyes")
dnl poison destroyed objects
AC_ARG_ENABLE(poisoning,
AS_HELP_STRING([--enable-poisoning],[enable poisoning of deallocated objects]),
[
case "${enableval}" in
yes) USE_POISONING=yes ;;
no) USE_POISONING=no ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-poisoning) ;;
esac
],
[USE_POISONING=$GST_GIT]) dnl Default value
if test "x$USE_POISONING" = xyes; then
AC_DEFINE(USE_POISONING, 1,
[Define if we should poison deallocated memory])
fi
dnl PTP support parts
AC_MSG_CHECKING([whether PTP support can be enabled])
case "$host_os" in
*android*)
dnl Can't run on Android because of permissions
HAVE_PTP=no
;;
mingw*|pw32*|cygwin*)
dnl Not ported to Windows yet
HAVE_PTP=no
;;
darwin*)
dnl Can't run on iOS because of permissions
AC_CHECK_HEADER(MobileCoreServices/MobileCoreServices.h, HAVE_PTP="no", HAVE_PTP="yes", [-])
;;
linux*|darwin*|solaris*|netbsd*|freebsd*|openbsd*|kfreebsd*|dragonfly*|gnu*)
HAVE_PTP=yes
;;
*)
HAVE_PTP=no
;;
esac
AC_MSG_RESULT([$HAVE_PTP])
dnl user/group to change to in gst-ptp-helper
AC_ARG_WITH([ptp-helper-setuid-user],
AS_HELP_STRING([--with-ptp-helper-setuid-user],[User to switch to when installing gst-ptp-helper setuid root]),
[
if test "x$withval" != "x"
then
AC_DEFINE_UNQUOTED(HAVE_PTP_HELPER_SETUID_USER, "$withval", [PTP helper setuid user])
fi
], []
)
dnl group/group to change to in gst-ptp-helper
AC_ARG_WITH([ptp-helper-setuid-group],
AS_HELP_STRING([--with-ptp-helper-setuid-group],[Group to switch to when installing gst-ptp-helper setuid root]),
[
if test "x$withval" != "x"
then
AC_DEFINE_UNQUOTED(HAVE_PTP_HELPER_SETUID_GROUP, "$withval", [PTP helper setuid group])
fi
], []
)
AC_ARG_WITH(
ptp-helper-permissions,
AC_HELP_STRING(
[--with-ptp-helper-permissions],
[how to gain PTP permissions (none, setuid-root, capabilities, auto)]),
[],
[with_ptp_helper_permissions=auto])
gst_ptp_have_cap=no
AG_GST_CHECK_LIBHEADER(CAP, cap,
cap_init, ,
sys/capability.h,
CAP_LIBS="-lcap"
AC_SUBST(CAP_LIBS)
gst_ptp_have_cap=yes)
AC_PATH_PROG([SETCAP], [setcap], [no], [$PATH:/usr/bin:/bin:/usr/sbin:/sbin])
if test "x$HAVE_PTP" = "xyes"; then
AC_DEFINE(HAVE_PTP, 1, [PTP support available])
AC_MSG_CHECKING([for SIOCGIFCONF, SIOCGIFFLAGS and SIOCGIFHWADDR])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[
#include <sys/ioctl.h>
#include <net/if.h>
]],
[[
struct ifreq ifr;
struct ifconf ifc;
ioctl(0, SIOCGIFCONF, &ifc);
ioctl(0, SIOCGIFFLAGS, &ifr);
ioctl(0, SIOCGIFHWADDR, &ifr);
int dummy = ifr.ifr_hwaddr.sa_data[0];
]])], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_SIOCGIFCONF_SIOCGIFFLAGS_SIOCGIFHWADDR, 1, [SIOCGIFCONF, SIOCGIFFLAGS and SIOCGIFHWADDR is available])
], [
AC_MSG_RESULT(no)
])
AC_MSG_CHECKING([for getifaddrs() and AF_LINK])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[
#include <ifaddrs.h>
#include <net/if.h>
#include <net/if_dl.h>
]],
[[
struct ifaddrs *ifaddr;
getifaddrs(&ifaddr);
int dummy = (ifaddr->ifa_flags & IFF_LOOPBACK) && ifaddr->ifa_addr->sa_family != AF_LINK;
]])], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GETIFADDRS_AF_LINK, 1, [getifaddrs() and AF_LINK is available])
], [
AC_MSG_RESULT(no)
])
AC_MSG_CHECKING([how to install gst-ptp-helper])
if test "x$with_ptp_helper_permissions" = "xauto"; then
if test "x$gst_ptp_have_cap" = "xyes" -a "x$SETCAP" != "xno"; then
with_ptp_helper_permissions="capabilities"
else
with_ptp_helper_permissions="setuid-root"
fi
fi
AC_MSG_RESULT([$with_ptp_helper_permissions])
case "$with_ptp_helper_permissions" in
none)
;;
setuid-root)
AC_DEFINE(HAVE_PTP_HELPER_SETUID, 1,
[Use setuid-root for permissions in PTP helper])
;;
capabilities)
AC_DEFINE(HAVE_PTP_HELPER_CAPABILITIES, 1,
[Use capabilities for permissions in PTP helper])
;;
*)
AC_MSG_ERROR(Invalid parameter [$with_ptp_helper_permissions])
;;
esac
fi
AM_CONDITIONAL(HAVE_PTP, test "x$HAVE_PTP" = "xyes")
AM_CONDITIONAL(HAVE_PTP_HELPER_SETUID, test "x$with_ptp_helper_permissions" = "xsetuid-root")
AM_CONDITIONAL(HAVE_PTP_HELPER_CAPABILITIES, test "x$with_ptp_helper_permissions" = "xcapabilities")
dnl *** checks for platform ***
dnl * hardware/architecture *
dnl common/m4/gst-arch.m4
dnl check CPU type
AG_GST_ARCH
dnl check for platform specific settings
AG_GST_PLATFORM
dnl * software *
dnl check for large file support
dnl affected plugins must include config.h
AC_SYS_LARGEFILE
dnl *** checks for programs ***
dnl find a compiler
AC_PROG_CC
AC_PROG_CC_STDC
dnl check if the compiler supports '-c' and '-o' options
AM_PROG_CC_C_O
dnl find an assembler
AM_PROG_AS
dnl determine if c++ is available on this system
AC_PROG_CXX
dnl CXX may be set to some default even if no c++ compiler is available
dnl (thanks autotools!), so just try to compile some c++ code to make sure
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ class Foo { int bar; };]], [[]])],[working_cxx=yes],[working_cxx=no])
AC_LANG_POP([C++])
AC_MSG_NOTICE([working c++ compiler found: $working_cxx])
AM_CONDITIONAL(HAVE_CXX, test "x$working_cxx" = "xyes")
dnl Perl is used in building documentation and in the version checks
AC_PATH_PROG(PERL_PATH, perl, no)
if test x$PERL_PATH = xno; then
AC_MSG_ERROR(Could not find perl)
fi
dnl we require flex and bison for building the parser
if test "x$GST_DISABLE_PARSE" != xyes; then
AG_GST_BISON_CHECK
AG_GST_FLEX_CHECK
fi
AC_PATH_PROG(VALGRIND_PATH, valgrind, no)
AM_CONDITIONAL(HAVE_VALGRIND, test ! "x$VALGRIND_PATH" = "xno")
dnl check for gobject-introspection
GOBJECT_INTROSPECTION_CHECK([1.31.1])
dnl check for documentation tools
GTK_DOC_CHECK([1.12])
AG_GST_PLUGIN_DOCS([1.12])
dnl *** checks for libraries ***
dnl check for libm, for sin()
LT_LIB_M
AC_SUBST(LIBM)
dnl *** checks for header files ***
dnl check if we have ANSI C header files
AC_HEADER_STDC
dnl Check for ucontext.h
AC_CHECK_HEADERS([ucontext.h], [], [], [AC_INCLUDES_DEFAULT])
dnl Check for sys/socket.h
AC_CHECK_HEADERS([sys/socket.h], [HAVE_SYS_SOCKET_H=yes], [HAVE_SYS_SOCKET_H=no], [AC_INCLUDES_DEFAULT])
AM_CONDITIONAL(HAVE_SYS_SOCKET_H, test "x$HAVE_SYS_SOCKET_H" = "xyes")
dnl check for sys/times.h for tests/examples/adapter/
AC_CHECK_HEADERS([sys/times.h], [HAVE_SYS_TIMES_H=yes], [HAVE_SYS_TIME_H=no], [AC_INCLUDES_DEFAULT])
AC_CHECK_HEADERS([unistd.h], [HAVE_UNISTD_H=yes], [HAVE_UNISTD_H=no], [AC_INCLUDES_DEFAULT])
AM_CONDITIONAL(HAVE_SYS_TIMES_H_AND_UNISTD_H, test "x$HAVE_SYS_TIMES_H" = "xyes" -a "x$HAVE_UNISTD_H" = "xyes")
dnl Check for process.h for getpid() on win32
AC_CHECK_HEADERS([process.h], [], [], [AC_INCLUDES_DEFAULT])
dnl Check for sys/utsname.h for uname
AC_CHECK_HEADERS([sys/utsname.h], [], [], [AC_INCLUDES_DEFAULT])
dnl Check for stdio_ext.f for __fbufsize
AC_CHECK_HEADERS([stdio_ext.h], [], [], [AC_INCLUDES_DEFAULT])
dnl check for pthreads
dnl without arguments AX_PTHREAD() will do AC_DEFINE(HAVE_PTHREAD)
dnl which later checks use in their test code
AX_PTHREAD()
AM_CONDITIONAL(HAVE_PTHREAD, test "x$ax_pthread_ok" = "xyes")
dnl check for sys/prctl for setting thread name on Linux
AC_CHECK_HEADERS([sys/prctl.h], [], [], [AC_INCLUDES_DEFAULT])
dnl check for pthread_setname_np(const char*)
dnl which is present on OS X 10.6, iOS 3.2 and above
AC_MSG_CHECKING(for pthread_setname_np(const char*))
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[#include <pthread.h>],
[pthread_setname_np("example")])],
[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID,1,
[Have function pthread_setname_np(const char*)])],
[AC_MSG_RESULT(no)])
dnl check for sys/uio.h for writev()
AC_CHECK_HEADERS([sys/uio.h], [], [], [AC_INCLUDES_DEFAULT])
dnl Check for valgrind.h
dnl separate from HAVE_VALGRIND because you can have the program, but not
dnl the dev package
AC_CHECK_HEADERS([valgrind/valgrind.h], [], [], [AC_INCLUDES_DEFAULT])
dnl used in gst/gstpoll.c
AC_CHECK_HEADERS([winsock2.h], [HAVE_WINSOCK2_H=yes], [HAVE_WINSOCK2_H=no], [AC_INCLUDES_DEFAULT])
AM_CONDITIONAL(HAVE_WINSOCK2_H, test "x$HAVE_WINSOCK2_H" = "xyes")
if test "x$HAVE_WINSOCK2_H" = "xyes"; then
WIN32_LIBS="-lws2_32"
AC_SUBST(WIN32_LIBS)
fi
dnl check for GMP/GSL, used by the gst_util_uint64_scale unit test only
if test "x$BUILD_TESTS" = "xyes"; then
AG_GST_CHECK_LIBHEADER(GMP, gmp,
__gmpz_init_set_d, ,
gmp.h,
GMP_LIBS="-lgmp"
AC_SUBST(GMP_LIBS)
AC_DEFINE(HAVE_GMP, [1],[Have GMP library]))
AG_GST_CHECK_LIBHEADER(GSL, gsl,
gsl_rng_uniform_int, -lgslcblas,
gsl/gsl_rng.h,
GSL_LIBS="-lgsl -lgslcblas"
AC_SUBST(GSL_LIBS)
AC_DEFINE(HAVE_GSL, [1],[Have GSL library]))
fi
dnl *** checks for types/defines ***
dnl *** checks for structures ***
dnl *** checks for compiler characteristics ***
dnl check if the compiler supports __uint128_t (gcc)
dnl Actually check for 128-bit division, since that's what we use
dnl uint128_t for.
AC_CACHE_CHECK(for __uint128_t, gst_cv_uint128_t,
AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
static __uint128_t v1 = 100;
static __uint128_t v2 = 10;
static __uint128_t u;
u = v1 / v2;
]])],[
gst_cv_uint128_t=yes
],[
gst_cv_uint128_t=no
])
)
if test x$gst_cv_uint128_t = xyes; then
AC_DEFINE(HAVE_UINT128_T, 1, [Have __uint128_t type])
fi
dnl *** checking for tm_gmtoff ***
AC_MSG_CHECKING([for tm_gmtoff])
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <time.h>
int main(void) {
struct tm t;
t.tm_gmtoff = 0;
exit(0);
}]])],
[have_tm_gmtoff=yes
AC_DEFINE(HAVE_TM_GMTOFF,1,[Have tm_gmtoff field in struct tm])],
[have_tm_gmtoff=no],
[have_tm_gmtoff="no (cross compiling)"])
AC_MSG_RESULT($have_tm_gmtoff)
dnl *** checks for library functions ***
AC_CHECK_FUNCS([strcasestr])
AC_CHECK_FUNCS([gmtime_r])
AC_CHECK_FUNCS([localtime_r])
AC_CHECK_FUNCS([sigaction])
AC_CHECK_FUNCS([getrusage])
AM_CONDITIONAL(HAVE_GETRUSAGE, test "x$ac_cv_func_getrusage" = "xyes")
AC_CHECK_HEADERS([sys/resource.h])
dnl check for fseeko()
AC_FUNC_FSEEKO
dnl check for ftello()
AC_CHECK_FUNCS([ftello])
AC_CHECK_FUNCS([fgetpos])
AC_CHECK_FUNCS([fsetpos])
dnl check for poll(), ppoll() and pselect()
AC_CHECK_HEADERS([sys/poll.h], [], [], [AC_INCLUDES_DEFAULT])
AC_CHECK_HEADERS([poll.h], [], [], [AC_INCLUDES_DEFAULT])
AC_CHECK_FUNCS([poll])
AC_CHECK_FUNCS([ppoll])
AC_CHECK_FUNCS([pselect])
dnl check for socketpair()
AC_CHECK_FUNC(socketpair, [], [
AC_CHECK_LIB(socket, socketpair, [
SOCKET_LIBS="-lsocket"
AC_SUBST(SOCKET_LIBS)
])
])
dnl ****************************************
dnl *** GLib POLL* compatibility defines ***
dnl ****************************************
AC_MSG_CHECKING([for broken poll])
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdlib.h>
#include <fcntl.h>
#ifdef HAVE_SYS_POLL_H
#include <sys/poll.h>
#endif
#ifdef HAVE_POLL_H
#include <poll.h>
#endif
int main(void) {
struct pollfd fds[1];
int fd;
fd = open("/dev/null", 1);
fds[0].fd = fd;
fds[0].events = POLLIN;
fds[0].revents = 0;
if (poll(fds, 1, 0) < 0 || (fds[0].revents & POLLNVAL) != 0) {
exit(1); /* Does not work for devices -- fail */
}
exit(0);
}]])],
[broken_poll=no],
[broken_poll=yes
AC_DEFINE(BROKEN_POLL,1,[poll doesn't work on devices])],
[broken_poll="no (cross compiling)"])
AC_MSG_RESULT($broken_poll)
dnl check for getpagesize()
AC_CHECK_FUNCS([getpagesize])
dnl Check for POSIX timers
CLOCK_GETTIME_FOUND="no"
AC_CHECK_FUNC(clock_gettime, [CLOCK_GETTIME_FOUND="yes"], [
AC_CHECK_LIB(rt, clock_gettime, [
CLOCK_GETTIME_FOUND="yes"
LIBS="$LIBS -lrt"
], [
AC_CHECK_LIB(pthread, clock_gettime, [
CLOCK_GETTIME_FOUND="yes"
LIBS="$LIBS -lpthread"
])
])
])
# With XCode 8, clock_gettime will be incorrectly detected as being available
# regardless of what version of OS X you target because the symbol is available
# in the .tbd file as a weak symbol.
# See: https://bugzilla.gnome.org/show_bug.cgi?id=772451
#
# We cannot simply do AC_CHECK_FUNCS with -Wl,-no_weak_imports because the
# autoconf check does its own prototype declaration that doesn't trigger that
# compiler flag.
#
# It's only starting from macOS 10.12 and iOS 10.0 that clock_gettime is
# actually available, so we can unconditionally disable it for older versions.
case "$host_os" in
darwin*)
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <AvailabilityMacros.h>
#include <TargetConditionals.h>
#if defined(TARGET_OS_MAC)
# if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_12
# error "Not compiling for OS X 10.12 or later"
# endif
#else
# if __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_10_0
# error "Not compiling for iOS 10.0 or later"
# endif
#endif
]])], [], [
if test "$CLOCK_GETTIME_FOUND" = "yes"; then
AC_MSG_NOTICE([Disabling incorrectly detected clock_gettime on OS X])
fi
CLOCK_GETTIME_FOUND="no"
])
;;
esac
if test "$CLOCK_GETTIME_FOUND" = "yes"; then
AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [Have clock_gettime])
fi
AC_CACHE_CHECK(for posix timers, gst_cv_posix_timers,
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <time.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
]], [[
#if !defined(_POSIX_TIMERS) || _POSIX_TIMERS < 0 || !defined(CLOCK_REALTIME)
#error Either _POSIX_TIMERS or CLOCK_REALTIME not defined
#endif
]])],[
gst_cv_posix_timers=yes
],[
gst_cv_posix_timers=no
])
)
if test "$gst_cv_posix_timers" = "yes"; then
AC_DEFINE(HAVE_POSIX_TIMERS,1,[Have posix timers])
GST_HAVE_POSIX_TIMERS_DEFINE="#define GST_HAVE_POSIX_TIMERS 1"
else
GST_HAVE_POSIX_TIMERS_DEFINE="#define GST_HAVE_POSIX_TIMERS 0"
fi
AC_SUBST(GST_HAVE_POSIX_TIMERS_DEFINE)
AM_CONDITIONAL(GST_HAVE_POSIX_TIMERS, test "$gst_cv_posix_timers" = "yes")
AC_CACHE_CHECK(for monotonic clock, gst_cv_monotonic_clock,
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <time.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
]], [[
#if !defined(_POSIX_MONOTONIC_CLOCK) || _POSIX_MONOTONIC_CLOCK < 0 || !defined(CLOCK_MONOTONIC)
#error Either _POSIX_MONOTONIC_CLOCK or CLOCK_MONOTONIC not defined
#endif
]])],[
gst_cv_monotonic_clock=yes
],[
gst_cv_monotonic_clock=no
])
)
if test "$gst_cv_monotonic_clock" = "yes"; then
AC_DEFINE(HAVE_MONOTONIC_CLOCK,1,[Have a monotonic clock])
GST_HAVE_MONOTONIC_CLOCK_DEFINE="#define GST_HAVE_MONOTONIC_CLOCK 1"
else
GST_HAVE_MONOTONIC_CLOCK_DEFINE="#define GST_HAVE_MONOTONIC_CLOCK 0"
fi
AC_SUBST(GST_HAVE_MONOTONIC_CLOCK_DEFINE)
AM_CONDITIONAL(GST_HAVE_MONOTONIC_CLOCK, test "$gst_cv_monotonic_clock" = "yes")
dnl Check for a way to display the function name in debug output
AG_GST_CHECK_FUNCTION
dnl test if we have dladdr(); we use it for debugging; see gst/gstinfo.c
save_cflags="$CFLAGS"
CFLAGS="$CFLAGS -D_GNU_SOURCE"
AC_CHECK_LIB(dl, dladdr,
AC_DEFINE(HAVE_DLADDR, 1, [Defined if we have dladdr ()])
LIBS="$LIBS -ldl")
CFLAGS="$save_cflags"
dnl Check printf stuff
if test "x${GST_DISABLE_GST_DEBUG}" != "xyes"; then
AC_TYPE_LONG_LONG_INT
AC_TYPE_UNSIGNED_LONG_LONG_INT
if test x$ac_cv_type_long_long_int$ac_cv_type_unsigned_long_long_int = xyesyes; then
AC_DEFINE([HAVE_LONG_LONG], [1], [Define to 1 if the system has the type long long])
fi
dnl /usr/share/aclocal/inttypes_h.m4 - ships with gettext apparently
gl_AC_HEADER_INTTYPES_H
dnl /usr/share/aclocal/stdint_h.m4 - ships with gettext apparently
gl_AC_HEADER_STDINT_H
AC_CHECK_TYPES(ptrdiff_t)
AC_TYPE_INTMAX_T
AC_TYPE_SIZE_T
fi
dnl *** checks for dependency libraries ***
dnl GLib
GLIB_REQ=2.40.0
AG_GST_GLIB_CHECK([$GLIB_REQ])
dnl Check for documentation xrefs
GLIB_PREFIX="`$PKG_CONFIG --variable=prefix glib-2.0`"
AC_SUBST(GLIB_PREFIX)
dnl GTK is optional and only used in examples
HAVE_GTK=no
GTK_REQ=3.10
if test "x$BUILD_EXAMPLES" = "xyes"; then
PKG_CHECK_MODULES(GTK, gtk+-3.0 >= $GTK_REQ, HAVE_GTK=yes, HAVE_GTK=no)
AC_SUBST(GTK_LIBS)
AC_SUBST(GTK_CFLAGS)
fi
AM_CONDITIONAL(HAVE_GTK, test "x$HAVE_GTK" = "xyes")
dnl libunwind is optionally used by the leaks tracer
AC_ARG_WITH([unwind],[AS_HELP_STRING([--with-unwind=yes|no|auto],[use libunwind])],
[], [with_unwind=auto])
if [ test "x${with_unwind}" != "xno" ]; then
PKG_CHECK_MODULES(UNWIND, [libunwind],
[
HAVE_UNWIND=yes
AC_DEFINE(HAVE_UNWIND, 1, [libunwind available])
UNWIND_REQUIRE=libunwind
AC_SUBST(UNWIND_REQUIRE)
],
[
HAVE_UNWIND=no
if [ test "x${with_unwind}" = "xyes" ]; then
AC_MSG_ERROR([could not find libunwind])
fi
])
else
HAVE_UNWIND=no
fi
dnl libdw is optionally used to add source lines and numbers to backtraces
AC_ARG_WITH([dw],[AS_HELP_STRING([--with-dw=yes|no|auto],[use libdw])],
[], [with_dw=auto])
if [ test "x${with_dw}" != "xno" ]; then
PKG_CHECK_MODULES(DW, [libdw],
[
HAVE_DW=yes
AC_DEFINE(HAVE_DW, 1, [libdw available])
DW_REQUIRE=libdw
AC_SUBST(DW_REQUIRE)
],
[
HAVE_DW=no
if [ test "x${with_dw}" = "xyes" ]; then
AC_MSG_ERROR([could not find libdw])
fi
])
else
HAVE_DW=no
fi
dnl Check for backtrace() from libc
AC_CHECK_FUNC(backtrace, [
AC_CHECK_HEADERS([execinfo.h], [
AC_DEFINE(HAVE_BACKTRACE,1,[Have backtrace])
], [], [])
])
dnl building of unit test libraries
AC_ARG_ENABLE(check,
AS_HELP_STRING([--disable-check],[disable building unit test libraries]),
[
case "${enableval}" in
yes) BUILD_CHECK=yes ;;
no) BUILD_CHECK=no ;;
*) AC_MSG_ERROR(bad value ${enableval} for --disable-check) ;;
esac
], [
dnl Default value
case $host_os in
mingw* | msvc* | mks*) BUILD_CHECK=no ;;
*) BUILD_CHECK=yes ;;
esac
])
dnl bit of a misnomer, but keep the conditional named like this so we don't
dnl have to change too much elsewhere
AM_CONDITIONAL(HAVE_CHECK, test "x$BUILD_CHECK" = "xyes")
dnl configure the desired memory alignment
AC_ARG_WITH([memory-alignment],
AS_HELP_STRING([--with-memory-alignment],[8,N,malloc,pagesize (default is 32)]),
[
if test "x$withval" = "xyes"
then
AC_DEFINE(MEMORY_ALIGNMENT, 32, [Memory alignment to use])
else
case "${withval}" in
malloc) AC_DEFINE(MEMORY_ALIGNMENT_MALLOC, 1, [Memory alignment by malloc default]) ;;
pagesize) AC_DEFINE(MEMORY_ALIGNMENT_PAGESIZE, 1, [Memory alignment by pagesize]) ;;
*) AC_DEFINE_UNQUOTED(MEMORY_ALIGNMENT, ${withval}, [Memory alignment to use]) ;;
esac
fi
], [
AC_DEFINE(MEMORY_ALIGNMENT_MALLOC, 1, [Memory alignment by malloc default])
]
)
dnl Symbol visibility
VISIBILITY_CFLAGS=""
AS_COMPILER_FLAG([-fvisibility=hidden], [
VISIBILITY_CFLAGS="-fvisibility=hidden"
AC_DEFINE(GST_API_EXPORT, [extern __attribute__ ((visibility ("default")))], [public symbol export define])
], [
VISIBILITY_CFLAGS=""
AC_DEFINE(GST_API_EXPORT, [extern], [public symbol export define])
])
AC_SUBST(VISIBILITY_CFLAGS)
dnl Check for -Bsymbolic-functions linker flag used to avoid
dnl intra-library PLT jumps, if available.
AC_ARG_ENABLE(Bsymbolic,
[AS_HELP_STRING([--disable-Bsymbolic],[avoid linking with -Bsymbolic])],,
[SAVED_LDFLAGS="${LDFLAGS}" SAVED_LIBS="${LIBS}"
AC_MSG_CHECKING([for -Bsymbolic-functions linker flag])
LDFLAGS=-Wl,-Bsymbolic-functions
LIBS=
AC_TRY_LINK([], [return 0],
AC_MSG_RESULT(yes)
enable_Bsymbolic=yes,
AC_MSG_RESULT(no)
enable_Bsymbolic=no)
LDFLAGS="${SAVED_LDFLAGS}" LIBS="${SAVED_LIBS}"])
dnl *** set variables based on configure arguments
dnl set license and copyright notice
GST_LICENSE="LGPL"
AC_DEFINE_UNQUOTED(GST_LICENSE, "$GST_LICENSE", [GStreamer license])
AC_SUBST(GST_LICENSE)
dnl define LIBDIR, GST_DATADIR so we can inform people where we live
AS_AC_EXPAND(LIBDIR, $libdir)
AC_DEFINE_UNQUOTED(LIBDIR, "$LIBDIR", [library dir])
AS_AC_EXPAND(DATADIR, $datadir)
AC_DEFINE_UNQUOTED(GST_DATADIR, "$DATADIR", [data dir])
dnl set location of plugin directory
AG_GST_SET_PLUGINDIR
dnl make sure it doesn't complain about unused variables if debugging is disabled
NO_WARNINGS=""
if test "x${GST_DISABLE_GST_DEBUG}" = "xyes"; then
NO_WARNINGS="-Wno-unused"
fi
dnl define an ERROR_CFLAGS Makefile variable
AG_GST_SET_ERROR_CFLAGS($FATAL_WARNINGS, [-Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wundef -Wwrite-strings -Wformat-nonliteral -Wformat-security -Wold-style-definition -Winit-self -Wmissing-include-dirs -Waddress -Waggregate-return -Wno-multichar -Wnested-externs $NO_WARNINGS])
dnl special warning flags for gst/printf
AS_COMPILER_FLAG([-Wno-format-nonliteral], [PRINTF_CFLAGS="-Wno-format-nonliteral"])
AC_SUBST(PRINTF_CFLAGS)
dnl disable strict aliasing
AS_COMPILER_FLAG([-fno-strict-aliasing], [EXTRA_CFLAGS="-fno-strict-aliasing"])
AC_SUBST(EXTRA_CFLAGS)
dnl define correct level for debugging messages
AG_GST_SET_LEVEL_DEFAULT($GST_GIT)
dnl *** finalize CFLAGS, LDFLAGS, LIBS
dnl Overview:
dnl GST_OPTION_CFLAGS: common cflags for profiling, debugging, errors, ...
dnl GST_ALL_*: vars shared by all built objects
dnl GST_LIB_LDFLAGS: additional linker flags for all libraries
dnl GST_OBJ_*: additional vars to link to the core library
dnl include GST_ALL_*
dnl GST_LT_LDFLAGS: library versioning of our libraries
dnl GST_PLUGIN_LDFLAGS: flags to be used for all plugins
dnl GST_OPTION_CFLAGS
if test "x$USE_DEBUG" = xyes; then
PROFILE_CFLAGS="-g"
fi
AC_SUBST(PROFILE_CFLAGS)
# GST_DISABLE_DEPRECATED: hide the visibility of deprecated
# functionality from the API that gstreamer uses
# GST_REMOVE_DEPRECATED: don't compile deprecated functionality (breaks ABI)
if test "x$PACKAGE_VERSION_NANO" = "x1"; then
dnl Define _only_ when compiling from git (not for pre-releases or releases)
DEPRECATED_CFLAGS="-DGST_DISABLE_DEPRECATED"
else
DEPRECATED_CFLAGS=""
fi
AC_SUBST(DEPRECATED_CFLAGS)
dnl every flag in GST_OPTION_CFLAGS can be overridden at make time via e.g.
dnl make DEPRECATED_CFLAGS=''
GST_OPTION_CFLAGS="\$(WARNING_CFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)"
GST_OPTION_CXXFLAGS="\$(WARNING_CXXFLAGS) \$(ERROR_CXXFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)"
GST_OPTION_CFLAGS="$GST_OPTION_CFLAGS"
GST_OPTION_CXXFLAGS="$GST_OPTION_CXXFLAGS"
AC_SUBST(GST_OPTION_CFLAGS)
AC_SUBST(GST_OPTION_CXXFLAGS)
dnl GST_ALL_*
dnl vars common to for all internal objects (core libs, elements, applications)
dnl CFLAGS:
dnl - src and build dirs need to be added because every piece that gets built
dnl will need the GStreamer source and generated headers
dnl LIBS: XML doesn't need to be added because we don't explicitly use symbols
dnl from LibXML except for in the core library
GST_ALL_CXXFLAGS="-I\$(top_srcdir)/libs -I\$(top_srcdir) -I\$(top_builddir)/libs -I\$(top_builddir) $GLIB_CFLAGS \$(GLIB_EXTRA_CFLAGS) $EXTRA_CFLAGS \$(GST_OPTION_CXXFLAGS) \$(ERROR_CXXFLAGS)"