|  | 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],[1.14.4],[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, "$GST_API_VERSION", | 
|  | [GStreamer API Version]) | 
|  |  | 
|  | dnl CURRENT, REVISION, AGE | 
|  | dnl - library source changed -> increment REVISION | 
|  | dnl - interfaces added/removed/changed -> increment CURRENT, REVISION = 0 | 
|  | dnl - interfaces added -> increment AGE | 
|  | dnl - interfaces removed -> AGE = 0 | 
|  | dnl | 
|  | dnl Keep CURRENT as MINOR * 100 + MICRO | 
|  | dnl Ex : 1.0.0 => 0 | 
|  | dnl      1.0.3 => 3 | 
|  | dnl      1.1.0 => 100 | 
|  | dnl      1.2.5 => 205 | 
|  | dnl      1.10.9 (who knows) => 1009 | 
|  | dnl | 
|  | dnl sets GST_LT_LDFLAGS | 
|  | AS_LIBTOOL(GST, 1404, 0, 1404) | 
|  |  | 
|  | dnl *** autotools stuff **** | 
|  |  | 
|  | dnl allow for different autotools | 
|  | AS_AUTOTOOLS_ALTERNATE | 
|  |  | 
|  | dnl Add parameters for aclocal (keep in sync with Makefile.am) | 
|  | AC_SUBST(ACLOCAL_AMFLAGS, "-I m4 -I common/m4") | 
|  |  | 
|  | dnl set up gettext | 
|  | dnl the version check needs to stay here because autopoint greps for it | 
|  | AM_GNU_GETTEXT_VERSION([0.17]) | 
|  | AM_GNU_GETTEXT([external]) | 
|  | AG_GST_GETTEXT([gstreamer-$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 ${enableval} for --enable-poisoning) ;; | 
|  | esac | 
|  | ], | 
|  | [USE_POISONING=no]) dnl Default value | 
|  | if test "x$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, ${withval}, [Memory alignment to use]) ;; | 
|  | esac | 
|  | fi | 
|  | ], [ | 
|  | AC_DEFINE(MEMORY_ALIGNMENT_MALLOC, 1, [Memory alignment by malloc default]) | 
|  | ] | 
|  | ) | 
|  |  | 
|  | dnl Check for -Bsymbolic-functions linker flag used to avoid | 
|  | dnl intra-library PLT jumps, if available. | 
|  | AC_ARG_ENABLE(Bsymbolic, | 
|  | [AS_HELP_STRING([--disable-Bsymbolic],[avoid linking with -Bsymbolic])],, | 
|  | [SAVED_LDFLAGS="${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 libaries | 
|  | 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)" | 
|  | GST_ALL_CFLAGS="-I\$(top_srcdir)/libs -I\$(top_srcdir) -I\$(top_builddir)/libs -I\$(top_builddir) $GLIB_CFLAGS \$(GLIB_EXTRA_CFLAGS) $EXTRA_CFLAGS \$(GST_OPTION_CFLAGS) \$(ERROR_CFLAGS)" | 
|  |  | 
|  | dnl FIXME: check if LTLIBINTL is needed everywhere | 
|  | dnl I presume it is given that it contains the symbols that _() stuff maps to | 
|  | GST_ALL_LIBS="$GLIB_LIBS $LTLIBINTL \$(GCOV_LIBS)" | 
|  |  | 
|  | dnl LDFLAGS really should only contain flags, not libs - they get added before | 
|  | dnl whatevertarget_LIBS and -L flags here affect the rest of the linking | 
|  | GST_ALL_LDFLAGS="-no-undefined" | 
|  | if test "x${enable_Bsymbolic}" = "xyes"; then | 
|  | GST_ALL_LDFLAGS="$GST_ALL_LDFLAGS -Wl,-Bsymbolic-functions" | 
|  | fi | 
|  |  | 
|  | AC_SUBST(GST_ALL_CFLAGS) | 
|  | AC_SUBST(GST_ALL_CXXFLAGS) | 
|  | AC_SUBST(GST_ALL_LIBS) | 
|  | AC_SUBST(GST_ALL_LDFLAGS) | 
|  |  | 
|  | dnl GST_LIB_LDFLAGS | 
|  | dnl linker flags shared by all libraries | 
|  | dnl LDFLAGS modifier defining exported symbols from built libraries | 
|  | GST_LIB_LDFLAGS="-export-symbols-regex \^[_]?\(gst_\|Gst\|GST_\).*" | 
|  | AC_SUBST(GST_LIB_LDFLAGS) | 
|  |  | 
|  | dnl GST_OBJ_* | 
|  | dnl default vars for all internal objects built on libgstreamer | 
|  | dnl includes GST_ALL_* | 
|  | GST_OBJ_CFLAGS="\$(GST_ALL_CFLAGS) $GST_OBJ_STATIC_CFLAGS" | 
|  | GST_OBJ_CXXFLAGS="\$(GST_ALL_CXXFLAGS) $GST_OBJ_STATIC_CFLAGS" | 
|  | GST_OBJ_LIBS="\$(top_builddir)/gst/libgstreamer-$GST_API_VERSION.la \$(GST_ALL_LIBS)" | 
|  | AC_SUBST(GST_OBJ_CFLAGS) | 
|  | AC_SUBST(GST_OBJ_CXXFLAGS) | 
|  | AC_SUBST(GST_OBJ_LIBS) | 
|  |  | 
|  | dnl GST_PLUGIN_LDFLAGS | 
|  | dnl LDFLAGS for plugins; includes GST_ALL_LDFLAGS | 
|  | GST_PLUGIN_LDFLAGS="-module -avoid-version -export-symbols-regex '^[_]*gst_plugin_.*' $GST_ALL_LDFLAGS" | 
|  | AC_SUBST(GST_PLUGIN_LDFLAGS, "$GST_PLUGIN_LDFLAGS") | 
|  |  | 
|  | dnl plugin scanner locations | 
|  | AS_AC_EXPAND(GST_PLUGIN_SCANNER_INSTALLED,${libexecdir}/gstreamer-$GST_API_VERSION/gst-plugin-scanner) | 
|  | AC_DEFINE_UNQUOTED(GST_PLUGIN_SCANNER_INSTALLED, | 
|  | "$GST_PLUGIN_SCANNER_INSTALLED", [location of the installed gst-plugin-scanner]) | 
|  | AC_SUBST(GST_PLUGIN_SCANNER_INSTALLED) | 
|  |  | 
|  | case "${libexecdir}" in | 
|  | *libexec) | 
|  | GST_PLUGIN_SCANNER_SUBDIR="libexec";; | 
|  | *lib) | 
|  | GST_PLUGIN_SCANNER_SUBDIR="lib";; | 
|  | *) | 
|  | GST_PLUGIN_SCANNER_SUBDIR=`basename ${libexecdir}`; | 
|  | if test -z "$GST_PLUGIN_SCANNER_SUBDIR"; then | 
|  | AC_MSG_WARN([Couldn't determined libexecdir suffix, using "lib"]) | 
|  | GST_PLUGIN_SCANNER_SUBDIR="lib"; | 
|  | fi | 
|  | ;; | 
|  | esac | 
|  | AC_DEFINE_UNQUOTED(GST_PLUGIN_SCANNER_SUBDIR, | 
|  | "$GST_PLUGIN_SCANNER_SUBDIR", [libexecdir path component, used to find plugin-scanner on relocatable builds on windows]) | 
|  |  | 
|  |  | 
|  | dnl completion helper locations | 
|  | AS_AC_EXPAND(GST_COMPLETION_HELPER_INSTALLED,${libexecdir}/gstreamer-$GST_API_VERSION/gst-completion-helper) | 
|  | AC_DEFINE_UNQUOTED(GST_COMPLETION_HELPER_INSTALLED, | 
|  | "$GST_COMPLETION_HELPER_INSTALLED", [location of the installed gst-completion-helper]) | 
|  | AC_SUBST(GST_COMPLETION_HELPER_INSTALLED) | 
|  |  | 
|  | dnl ptp helper locations | 
|  | AS_AC_EXPAND(GST_PTP_HELPER_INSTALLED,${libexecdir}/gstreamer-$GST_API_VERSION/gst-ptp-helper) | 
|  | AC_DEFINE_UNQUOTED(GST_PTP_HELPER_INSTALLED, | 
|  | "$GST_PTP_HELPER_INSTALLED", [location of the installed gst-ptp-helper]) | 
|  | AC_SUBST(GST_PTP_HELPER_INSTALLED) | 
|  |  | 
|  | dnl things for our internal libcheck (must be called even if building | 
|  | dnl libcheck is disabled because it defines conditionals) | 
|  | AG_GST_CHECK_CHECKS | 
|  |  | 
|  | AC_CONFIG_FILES( | 
|  | Makefile | 
|  | data/Makefile | 
|  | data/bash-completion/helpers/gst | 
|  | gst/Makefile | 
|  | gst/gstconfig.h | 
|  | gst/gstversion.h | 
|  | gst/parse/Makefile | 
|  | gst/printf/Makefile | 
|  | libs/Makefile | 
|  | libs/gst/Makefile | 
|  | libs/gst/base/Makefile | 
|  | libs/gst/check/Makefile | 
|  | libs/gst/check/libcheck/Makefile | 
|  | libs/gst/check/internal-check.h:libs/gst/check/libcheck/check.h.in | 
|  | libs/gst/controller/Makefile | 
|  | libs/gst/helpers/Makefile | 
|  | libs/gst/net/Makefile | 
|  | plugins/Makefile | 
|  | plugins/elements/Makefile | 
|  | plugins/tracers/Makefile | 
|  | po/Makefile.in | 
|  | tests/Makefile | 
|  | tests/benchmarks/Makefile | 
|  | tests/check/Makefile | 
|  | tests/misc/Makefile | 
|  | tests/examples/Makefile | 
|  | tests/examples/adapter/Makefile | 
|  | tests/examples/controller/Makefile | 
|  | tests/examples/stepping/Makefile | 
|  | tests/examples/helloworld/Makefile | 
|  | tests/examples/memory/Makefile | 
|  | tests/examples/netclock/Makefile | 
|  | tests/examples/ptp/Makefile | 
|  | tests/examples/streamiddemux/Makefile | 
|  | tests/examples/streams/Makefile | 
|  | tools/Makefile | 
|  | common/Makefile | 
|  | common/m4/Makefile | 
|  | docs/Makefile | 
|  | docs/gst/Makefile | 
|  | docs/gst/gstreamer.types | 
|  | docs/libs/Makefile | 
|  | docs/plugins/Makefile | 
|  | docs/version.entities | 
|  | m4/Makefile | 
|  | pkgconfig/Makefile | 
|  | stamp.h | 
|  | pkgconfig/gstreamer.pc | 
|  | pkgconfig/gstreamer-uninstalled.pc | 
|  | pkgconfig/gstreamer-base.pc | 
|  | pkgconfig/gstreamer-base-uninstalled.pc | 
|  | pkgconfig/gstreamer-check.pc | 
|  | pkgconfig/gstreamer-check-uninstalled.pc | 
|  | pkgconfig/gstreamer-controller.pc | 
|  | pkgconfig/gstreamer-controller-uninstalled.pc | 
|  | pkgconfig/gstreamer-net.pc | 
|  | pkgconfig/gstreamer-net-uninstalled.pc | 
|  | ) | 
|  |  | 
|  | AC_OUTPUT | 
|  |  | 
|  | dnl negate for output | 
|  | if test "x${GST_DISABLE_GST_DEBUG}" = "xno"; then enable_gst_debug="yes"; fi | 
|  | if test "x${GST_DISABLE_GST_TRACER_HOOKS}" = "xno"; then enable_gst_tracer_hooks="yes"; fi | 
|  | if test "x${GST_DISABLE_PARSE}" = "xno"; then enable_parse="yes"; fi | 
|  | if test "x${GST_DISABLE_OPTION_PARSING}" = "xno"; then enable_option_parsing="yes"; fi | 
|  | if test "x${GST_DISABLE_PLUGIN}" = "xno"; then enable_plugin="yes"; fi | 
|  | if test "x${GST_DISABLE_REGISTRY}" = "xno"; then enable_registry="yes"; fi | 
|  |  | 
|  | echo " | 
|  |  | 
|  | Configuration | 
|  | Version                    : ${VERSION} | 
|  | Source code location       : ${srcdir} | 
|  | Prefix                     : ${prefix} | 
|  | Compiler                   : ${CC} | 
|  | Package name               : ${GST_PACKAGE_NAME} | 
|  | Package origin             : ${GST_PACKAGE_ORIGIN} | 
|  |  | 
|  | API Documentation          : ${enable_gtk_doc} | 
|  |  | 
|  | Debug logging              : ${enable_gst_debug} | 
|  | Tracing subsystem hooks    : ${enable_gst_tracer_hooks} | 
|  | Command-line parser        : ${enable_parse} | 
|  | Option parsing in gst_init : ${enable_option_parsing} | 
|  | Plugin registry            : ${enable_registry} | 
|  | Plugin support	           : ${enable_plugin} | 
|  | Static plugins             : ${enable_static_plugins} | 
|  | Unit testing support       : ${BUILD_CHECK} | 
|  | PTP clock support          : ${HAVE_PTP} | 
|  | libunwind support          : ${HAVE_UNWIND} | 
|  | libdw support              : ${HAVE_DW} | 
|  |  | 
|  | Debug                      : ${USE_DEBUG} | 
|  | Profiling                  : ${USE_PROFILING} | 
|  |  | 
|  | Building benchmarks        : ${BUILD_BENCHMARKS} | 
|  | Building examples          : ${BUILD_EXAMPLES} | 
|  | Building test apps         : ${BUILD_TESTS} | 
|  | Building tests that fail   : ${BUILD_FAILING_TESTS} | 
|  | Building tools             : ${BUILD_TOOLS} | 
|  | " |