3 dnl initialize autoconf
4 dnl when going to/from release please set the nano (fourth number) right !
5 dnl releases only do Wall, git and prerelease does Werror too
7 AC_INIT([GStreamer],[1.17.0.1],[http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer],[gstreamer])
10 dnl initialize automake (we require GNU make)
11 AM_INIT_AUTOMAKE([-Wno-portability 1.14 no-dist-gzip dist-xz tar-ustar subdir-objects])
13 dnl define PACKAGE_VERSION_* variables
16 dnl check if this is a release version
17 AS_NANO(GST_GIT="no", GST_GIT="yes")
19 dnl can autoconf find the source ?
20 AC_CONFIG_SRCDIR([gst/gst.c])
22 dnl define the output header for config
23 AC_CONFIG_HEADERS([config.h])
25 dnl AM_MAINTAINER_MODE only provides the option to configure to enable it
26 AM_MAINTAINER_MODE([enable])
28 dnl sets host_* variables
31 dnl use pretty build output by default
32 AM_SILENT_RULES([yes])
34 dnl GStreamer versioning, this is mostly informational
35 GST_VERSION_MAJOR=$PACKAGE_VERSION_MAJOR
36 GST_VERSION_MINOR=$PACKAGE_VERSION_MINOR
37 GST_VERSION_MICRO=$PACKAGE_VERSION_MICRO
38 GST_VERSION_NANO=$PACKAGE_VERSION_NANO
39 AC_SUBST(GST_VERSION_MAJOR)
40 AC_SUBST(GST_VERSION_MINOR)
41 AC_SUBST(GST_VERSION_MICRO)
42 AC_SUBST(GST_VERSION_NANO)
44 dnl our libraries and install dirs use GST_API_VERSION in the filename
45 dnl to allow side-by-side installation of different API versions
47 AC_SUBST(GST_API_VERSION)
48 AC_DEFINE_UNQUOTED(GST_API_VERSION, "$GST_API_VERSION",
49 [GStreamer API Version])
51 dnl CURRENT, REVISION, AGE
52 dnl - library source changed -> increment REVISION
53 dnl - interfaces added/removed/changed -> increment CURRENT, REVISION = 0
54 dnl - interfaces added -> increment AGE
55 dnl - interfaces removed -> AGE = 0
57 dnl Keep CURRENT as MINOR * 100 + MICRO
62 dnl 1.10.9 (who knows) => 1009
64 dnl sets GST_LT_LDFLAGS
65 AS_LIBTOOL(GST, 1700, 0, 1700)
67 dnl *** autotools stuff ****
69 dnl allow for different autotools
70 AS_AUTOTOOLS_ALTERNATE
72 dnl Add parameters for aclocal (keep in sync with Makefile.am)
73 AC_SUBST(ACLOCAL_AMFLAGS, "-I m4 -I common/m4")
76 dnl the version check needs to stay here because autopoint greps for it
77 AM_GNU_GETTEXT_VERSION([0.17])
78 AM_GNU_GETTEXT([external])
79 AG_GST_GETTEXT([gstreamer-$GST_API_VERSION])
81 dnl *** check for arguments to configure ***
83 AG_GST_ARG_DISABLE_FATAL_WARNINGS
84 AG_GST_ARG_ENABLE_EXTRA_CHECKS
86 dnl subsystems - can influence other decisions so needs to be high up
87 dnl we need to AM_CONDITIONAL them here for automake 1.6.x compatibility
88 AG_GST_CHECK_SUBSYSTEM_DISABLE(GST_DEBUG,[debugging subsystem])
89 AM_CONDITIONAL(GST_DISABLE_GST_DEBUG, test "x$GST_DISABLE_GST_DEBUG" = "xyes")
90 AG_GST_CHECK_SUBSYSTEM_DISABLE(GST_TRACER_HOOKS,[tracing subsystem hooks])
91 AM_CONDITIONAL(GST_DISABLE_GST_TRACER_HOOKS, test "x$GST_DISABLE_GST_TRACER_HOOKS" = "xyes")
92 if test "x$GST_DISABLE_GST_TRACER_HOOKS" = xyes; then
93 AC_DEFINE(GST_DISABLE_GST_TRACER_HOOKS, 1,
94 [Define if tracing subsystem hooks is disabled])
96 AG_GST_CHECK_SUBSYSTEM_DISABLE(PARSE,[command-line parser])
97 AM_CONDITIONAL(GST_DISABLE_PARSE, test "x$GST_DISABLE_PARSE" = "xyes")
98 if test "x$GST_DISABLE_PARSE" = xyes; then
99 AC_DEFINE(GST_DISABLE_PARSE, 1,
100 [Define if pipeline parsing code is disabled])
102 AG_GST_CHECK_SUBSYSTEM_DISABLE(OPTION_PARSING,[option parsing when gst_init])
103 AM_CONDITIONAL(GST_DISABLE_OPTION_PARSING, test "x$GST_DISABLE_OPTION_PARSING" = "xyes")
104 if test "x$GST_DISABLE_OPTION_PARSING" = xyes; then
105 AC_DEFINE(GST_DISABLE_OPTION_PARSING, 1,
106 [Define if option parsing is disabled])
108 AG_GST_CHECK_SUBSYSTEM_DISABLE(REGISTRY,[plugin registry])
109 AM_CONDITIONAL(GST_DISABLE_REGISTRY, test "x$GST_DISABLE_REGISTRY" = "xyes")
110 dnl define a substitution to use in docs/gst/gstreamer.types
111 if test "x$GST_DISABLE_REGISTRY" = "xyes"
113 GST_REGISTRY_DOC_TYPES="%"
115 GST_REGISTRY_DOC_TYPES=
117 AC_SUBST(GST_REGISTRY_DOC_TYPES)
118 AG_GST_CHECK_SUBSYSTEM_DISABLE(PLUGIN,[plugin])
119 AM_CONDITIONAL(GST_DISABLE_PLUGIN, test "x$GST_DISABLE_PLUGIN" = "xyes")
121 GST_DISABLE_CAST_CHECKS_DEFINE=0
122 AC_SUBST(GST_DISABLE_CAST_CHECKS_DEFINE)
124 GST_DISABLE_GLIB_ASSERTS_DEFINE=0
125 AC_SUBST(GST_DISABLE_GLIB_ASSERTS_DEFINE)
127 GST_DISABLE_GLIB_CHECKS_DEFINE=0
128 AC_SUBST(GST_DISABLE_GLIB_CHECKS_DEFINE)
138 AG_GST_ARG_WITH_PKG_CONFIG_PATH
139 AG_GST_ARG_WITH_PACKAGE_NAME
140 AG_GST_ARG_WITH_PACKAGE_ORIGIN
142 AG_GST_PKG_CONFIG_PATH
144 AG_GST_SET_PACKAGE_RELEASE_DATETIME_WITH_NANO([$PACKAGE_VERSION_NANO],
145 ["${srcdir}/gstreamer.doap"],
146 [$PACKAGE_VERSION_MAJOR.$PACKAGE_VERSION_MINOR.$PACKAGE_VERSION_MICRO])
148 # We only use this when building with MSVC, which is only done with the
149 # alternate Meson build system files
150 GSTCONFIG_BUILT_WITH_MSVC=0
151 AC_SUBST(GSTCONFIG_BUILT_WITH_MSVC)
153 dnl check for bash completion
154 AC_ARG_WITH([bash-completion-dir],
155 AS_HELP_STRING([--with-bash-completion-dir[=PATH]],
156 [Install the bash auto-completion script in this directory. @<:@default=yes@:>@]),
158 [with_bash_completion_dir=yes])
160 if test "x$with_bash_completion_dir" = "xyes"
164 if test "x$prefix" != "xNONE"
166 extra_args="--define-variable=prefix=\"$prefix\""
169 PKG_CHECK_MODULES([BASH_COMPLETION], [bash-completion >= 2.0],
171 BASH_COMPLETION_DIR="`eval pkg-config $extra_args --variable=completionsdir bash-completion`"
172 BASH_HELPERS_DIR="`eval pkg-config $extra_args --variable=helpersdir bash-completion`"
175 BASH_COMPLETION_DIR="$datadir/bash-completion/completions"
176 BASH_HELPERS_DIR="$datadir/bash-completion/helpers"
179 BASH_COMPLETION_DIR="$with_bash_completion_dir/completions"
180 BASH_HELPERS_DIR="$with_bash_completion_dir/helpers"
183 AC_SUBST([BASH_COMPLETION_DIR])
184 AC_SUBST([BASH_HELPERS_DIR])
185 AM_CONDITIONAL([ENABLE_BASH_COMPLETION],[test "x$with_bash_completion_dir" != "xno"])
187 dnl If only building static libraries, define GST_STATIC_COMPILATION. This is
188 dnl needed only on Windows, but it doesn't hurt to have it everywhere.
189 if test x$enable_static = xyes -a x$enable_shared = xno; then
190 GST_OBJ_STATIC_CFLAGS="-DGST_STATIC_COMPILATION"
193 dnl building of tests
195 AS_HELP_STRING([--disable-tests],[disable building test apps]),
197 case "${enableval}" in
198 yes) BUILD_TESTS=yes ;;
199 no) BUILD_TESTS=no ;;
200 *) AC_MSG_ERROR(bad value ${enableval} for --disable-tests) ;;
203 [BUILD_TESTS=yes]) dnl Default value
204 AM_CONDITIONAL(BUILD_TESTS, test "x$BUILD_TESTS" = "xyes")
206 dnl tests known to fail
207 AC_ARG_ENABLE(failing-tests,
208 AS_HELP_STRING([--disable-failing-tests],[disable building tests known to fail]),
210 case "${enableval}" in
211 yes) BUILD_FAILING_TESTS=yes ;;
212 no) BUILD_FAILING_TESTS=no ;;
213 *) AC_MSG_ERROR(bad value ${enableval} for --disable-failing-tests) ;;
216 [BUILD_FAILING_TESTS=no]) dnl Default value
217 AM_CONDITIONAL(BUILD_FAILING_TESTS, test "x$BUILD_FAILING_TESTS" = "xyes")
218 if test x$BUILD_FAILING_TESTS = xyes; then
219 AC_MSG_WARN([building tests known to fail, use --disable-failing-tests to disable])
221 AC_MSG_WARN([By asking to not build the tests known to fail, you hereby waive your right to customer support. If you do not agree with this EULA, please press Ctrl-C before the next line is printed. By allowing the next line to be printed, you expressly acknowledge your acceptance of this EULA.])
224 dnl building of benchmarks
225 AC_ARG_ENABLE(benchmarks,
226 AS_HELP_STRING([--disable-benchmarks],[disable building benchmarks apps]),
228 case "${enableval}" in
229 yes) BUILD_BENCHMARKS=yes ;;
230 no) BUILD_BENCHMARKS=no ;;
231 *) AC_MSG_ERROR(bad value ${enableval} for --disable-benchmarks) ;;
234 [BUILD_BENCHMARKS=yes]) dnl Default value
235 AM_CONDITIONAL(BUILD_BENCHMARKS, test "x$BUILD_BENCHMARKS" = "xyes")
237 dnl building of tools
239 AS_HELP_STRING([--disable-tools],[disable building tools]),
241 case "${enableval}" in
242 yes) BUILD_TOOLS=yes ;;
243 no) BUILD_TOOLS=no ;;
244 *) AC_MSG_ERROR(bad value ${enableval} for --disable-tools) ;;
247 [BUILD_TOOLS=yes]) dnl Default value
248 AM_CONDITIONAL(BUILD_TOOLS, test "x$BUILD_TOOLS" = "xyes")
250 dnl poison destroyed objects
251 AC_ARG_ENABLE(poisoning,
252 AS_HELP_STRING([--enable-poisoning],[enable poisoning of deallocated objects]),
254 case "${enableval}" in
255 yes) USE_POISONING=yes ;;
256 no) USE_POISONING=no ;;
257 *) AC_MSG_ERROR(bad value ${enableval} for --enable-poisoning) ;;
260 [USE_POISONING=$GST_GIT]) dnl Default value
261 if test "x$USE_POISONING" = xyes; then
262 AC_DEFINE(USE_POISONING, 1,
263 [Define if we should poison deallocated memory])
266 dnl PTP support parts
267 AC_MSG_CHECKING([whether PTP support can be enabled])
270 dnl Can't run on Android because of permissions
273 mingw*|pw32*|cygwin*)
274 dnl Not ported to Windows yet
278 dnl Can't run on iOS because of permissions
279 AC_CHECK_HEADER(MobileCoreServices/MobileCoreServices.h, HAVE_PTP="no", HAVE_PTP="yes", [-])
281 linux*|darwin*|solaris*|netbsd*|freebsd*|openbsd*|kfreebsd*|dragonfly*|gnu*)
288 AC_MSG_RESULT([$HAVE_PTP])
290 dnl user/group to change to in gst-ptp-helper
291 AC_ARG_WITH([ptp-helper-setuid-user],
292 AS_HELP_STRING([--with-ptp-helper-setuid-user],[User to switch to when installing gst-ptp-helper setuid root]),
294 if test "x$withval" != "x"
296 AC_DEFINE_UNQUOTED(HAVE_PTP_HELPER_SETUID_USER, "$withval", [PTP helper setuid user])
301 dnl group/group to change to in gst-ptp-helper
302 AC_ARG_WITH([ptp-helper-setuid-group],
303 AS_HELP_STRING([--with-ptp-helper-setuid-group],[Group to switch to when installing gst-ptp-helper setuid root]),
305 if test "x$withval" != "x"
307 AC_DEFINE_UNQUOTED(HAVE_PTP_HELPER_SETUID_GROUP, "$withval", [PTP helper setuid group])
313 ptp-helper-permissions,
315 [--with-ptp-helper-permissions],
316 [how to gain PTP permissions (none, setuid-root, capabilities, auto)]),
318 [with_ptp_helper_permissions=auto])
321 AG_GST_CHECK_LIBHEADER(CAP, cap,
326 gst_ptp_have_cap=yes)
328 AC_PATH_PROG([SETCAP], [setcap], [no], [$PATH:/usr/bin:/bin:/usr/sbin:/sbin])
330 if test "x$HAVE_PTP" = "xyes"; then
331 AC_DEFINE(HAVE_PTP, 1, [PTP support available])
333 AC_MSG_CHECKING([for SIOCGIFCONF, SIOCGIFFLAGS and SIOCGIFHWADDR])
334 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
336 #include <sys/ioctl.h>
342 ioctl(0, SIOCGIFCONF, &ifc);
343 ioctl(0, SIOCGIFFLAGS, &ifr);
344 ioctl(0, SIOCGIFHWADDR, &ifr);
345 int dummy = ifr.ifr_hwaddr.sa_data[0];
348 AC_DEFINE(HAVE_SIOCGIFCONF_SIOCGIFFLAGS_SIOCGIFHWADDR, 1, [SIOCGIFCONF, SIOCGIFFLAGS and SIOCGIFHWADDR is available])
353 AC_MSG_CHECKING([for getifaddrs() and AF_LINK])
354 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
358 #include <net/if_dl.h>
361 struct ifaddrs *ifaddr;
363 int dummy = (ifaddr->ifa_flags & IFF_LOOPBACK) && ifaddr->ifa_addr->sa_family != AF_LINK;
366 AC_DEFINE(HAVE_GETIFADDRS_AF_LINK, 1, [getifaddrs() and AF_LINK is available])
371 AC_MSG_CHECKING([how to install gst-ptp-helper])
372 if test "x$with_ptp_helper_permissions" = "xauto"; then
373 if test "x$gst_ptp_have_cap" = "xyes" -a "x$SETCAP" != "xno"; then
374 with_ptp_helper_permissions="capabilities"
376 with_ptp_helper_permissions="setuid-root"
379 AC_MSG_RESULT([$with_ptp_helper_permissions])
381 case "$with_ptp_helper_permissions" in
385 AC_DEFINE(HAVE_PTP_HELPER_SETUID, 1,
386 [Use setuid-root for permissions in PTP helper])
389 AC_DEFINE(HAVE_PTP_HELPER_CAPABILITIES, 1,
390 [Use capabilities for permissions in PTP helper])
393 AC_MSG_ERROR(Invalid parameter [$with_ptp_helper_permissions])
399 AM_CONDITIONAL(HAVE_PTP, test "x$HAVE_PTP" = "xyes")
400 AM_CONDITIONAL(HAVE_PTP_HELPER_SETUID, test "x$with_ptp_helper_permissions" = "xsetuid-root")
401 AM_CONDITIONAL(HAVE_PTP_HELPER_CAPABILITIES, test "x$with_ptp_helper_permissions" = "xcapabilities")
403 dnl *** checks for platform ***
405 dnl * hardware/architecture *
407 dnl common/m4/gst-arch.m4
411 dnl check for platform specific settings
416 dnl check for large file support
417 dnl affected plugins must include config.h
420 dnl *** checks for programs ***
426 dnl check if the compiler supports '-c' and '-o' options
429 dnl find an assembler
432 dnl determine if c++ is available on this system
434 dnl CXX may be set to some default even if no c++ compiler is available
435 dnl (thanks autotools!), so just try to compile some c++ code to make sure
437 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ class Foo { int bar; };]], [[]])],[working_cxx=yes],[working_cxx=no])
439 AC_MSG_NOTICE([working c++ compiler found: $working_cxx])
440 AM_CONDITIONAL(HAVE_CXX, test "x$working_cxx" = "xyes")
442 dnl Perl is used in building documentation and in the version checks
443 AC_PATH_PROG(PERL_PATH, perl, no)
444 if test x$PERL_PATH = xno; then
445 AC_MSG_ERROR(Could not find perl)
448 dnl we require flex and bison for building the parser
449 if test "x$GST_DISABLE_PARSE" != xyes; then
454 AC_PATH_PROG(VALGRIND_PATH, valgrind, no)
455 AM_CONDITIONAL(HAVE_VALGRIND, test ! "x$VALGRIND_PATH" = "xno")
457 dnl check for gobject-introspection
458 GOBJECT_INTROSPECTION_CHECK([1.31.1])
460 dnl *** checks for libraries ***
462 dnl check for libm, for sin()
466 dnl *** checks for header files ***
468 dnl check if we have ANSI C header files
471 dnl Check for ucontext.h
472 AC_CHECK_HEADERS([ucontext.h], [], [], [AC_INCLUDES_DEFAULT])
474 dnl Check for sys/socket.h
475 AC_CHECK_HEADERS([sys/socket.h], [HAVE_SYS_SOCKET_H=yes], [HAVE_SYS_SOCKET_H=no], [AC_INCLUDES_DEFAULT])
476 AM_CONDITIONAL(HAVE_SYS_SOCKET_H, test "x$HAVE_SYS_SOCKET_H" = "xyes")
478 dnl check for sys/times.h for tests/examples/adapter/
479 AC_CHECK_HEADERS([sys/times.h], [HAVE_SYS_TIMES_H=yes], [HAVE_SYS_TIME_H=no], [AC_INCLUDES_DEFAULT])
480 AC_CHECK_HEADERS([unistd.h], [HAVE_UNISTD_H=yes], [HAVE_UNISTD_H=no], [AC_INCLUDES_DEFAULT])
481 AM_CONDITIONAL(HAVE_SYS_TIMES_H_AND_UNISTD_H, test "x$HAVE_SYS_TIMES_H" = "xyes" -a "x$HAVE_UNISTD_H" = "xyes")
483 dnl Check for process.h for getpid() on win32
484 AC_CHECK_HEADERS([process.h], [], [], [AC_INCLUDES_DEFAULT])
486 dnl Check for sys/utsname.h for uname
487 AC_CHECK_HEADERS([sys/utsname.h], [], [], [AC_INCLUDES_DEFAULT])
489 dnl Check for stdio_ext.f for __fbufsize
490 AC_CHECK_HEADERS([stdio_ext.h], [], [], [AC_INCLUDES_DEFAULT])
492 dnl check for pthreads
493 dnl without arguments AX_PTHREAD() will do AC_DEFINE(HAVE_PTHREAD)
494 dnl which later checks use in their test code
496 AM_CONDITIONAL(HAVE_PTHREAD, test "x$ax_pthread_ok" = "xyes")
498 dnl check for sys/prctl for setting thread name on Linux
499 AC_CHECK_HEADERS([sys/prctl.h], [], [], [AC_INCLUDES_DEFAULT])
501 dnl check for pthread_setname_np(const char*)
502 dnl which is present on OS X 10.6, iOS 3.2 and above
503 AC_MSG_CHECKING(for pthread_setname_np(const char*))
506 [#include <pthread.h>],
507 [pthread_setname_np("example")])],
509 AC_DEFINE(HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID,1,
510 [Have function pthread_setname_np(const char*)])],
513 dnl check for sys/uio.h for writev()
514 AC_CHECK_HEADERS([sys/uio.h], [], [], [AC_INCLUDES_DEFAULT])
516 dnl Check for valgrind.h
517 dnl separate from HAVE_VALGRIND because you can have the program, but not
519 AC_CHECK_HEADERS([valgrind/valgrind.h], [], [], [AC_INCLUDES_DEFAULT])
521 dnl used in gst/gstpoll.c
522 AC_CHECK_HEADERS([winsock2.h], [HAVE_WINSOCK2_H=yes], [HAVE_WINSOCK2_H=no], [AC_INCLUDES_DEFAULT])
523 AM_CONDITIONAL(HAVE_WINSOCK2_H, test "x$HAVE_WINSOCK2_H" = "xyes")
524 if test "x$HAVE_WINSOCK2_H" = "xyes"; then
525 WIN32_LIBS="-lws2_32"
529 dnl check for GMP/GSL, used by the gst_util_uint64_scale unit test only
530 if test "x$BUILD_TESTS" = "xyes"; then
531 AG_GST_CHECK_LIBHEADER(GMP, gmp,
536 AC_DEFINE(HAVE_GMP, [1],[Have GMP library]))
537 AG_GST_CHECK_LIBHEADER(GSL, gsl,
538 gsl_rng_uniform_int, -lgslcblas,
540 GSL_LIBS="-lgsl -lgslcblas"
542 AC_DEFINE(HAVE_GSL, [1],[Have GSL library]))
545 dnl *** checks for types/defines ***
547 dnl *** checks for structures ***
549 dnl *** checks for compiler characteristics ***
551 dnl check if the compiler supports __uint128_t (gcc)
552 dnl Actually check for 128-bit division, since that's what we use
554 AC_CACHE_CHECK(for __uint128_t, gst_cv_uint128_t,
555 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
556 static __uint128_t v1 = 100;
557 static __uint128_t v2 = 10;
558 static __uint128_t u;
566 if test x$gst_cv_uint128_t = xyes; then
567 AC_DEFINE(HAVE_UINT128_T, 1, [Have __uint128_t type])
570 dnl *** checking for tm_gmtoff ***
571 AC_MSG_CHECKING([for tm_gmtoff])
572 AC_RUN_IFELSE([AC_LANG_SOURCE([[
580 AC_DEFINE(HAVE_TM_GMTOFF,1,[Have tm_gmtoff field in struct tm])],
582 [have_tm_gmtoff="no (cross compiling)"])
583 AC_MSG_RESULT($have_tm_gmtoff)
586 dnl *** checks for library functions ***
588 AC_CHECK_FUNCS([strcasestr])
590 AC_CHECK_FUNCS([gmtime_r])
591 AC_CHECK_FUNCS([localtime_r])
592 AC_CHECK_FUNCS([sigaction])
593 AC_CHECK_FUNCS([getrusage])
594 AM_CONDITIONAL(HAVE_GETRUSAGE, test "x$ac_cv_func_getrusage" = "xyes")
595 AC_CHECK_HEADERS([sys/resource.h])
597 dnl check for fseeko()
599 dnl check for ftello()
600 AC_CHECK_FUNCS([ftello])
602 AC_CHECK_FUNCS([fgetpos])
603 AC_CHECK_FUNCS([fsetpos])
605 dnl check for poll(), ppoll() and pselect()
606 AC_CHECK_HEADERS([sys/poll.h], [], [], [AC_INCLUDES_DEFAULT])
607 AC_CHECK_HEADERS([poll.h], [], [], [AC_INCLUDES_DEFAULT])
608 AC_CHECK_FUNCS([poll])
609 AC_CHECK_FUNCS([ppoll])
610 AC_CHECK_FUNCS([pselect])
612 dnl check for socketpair()
613 AC_CHECK_FUNC(socketpair, [], [
614 AC_CHECK_LIB(socket, socketpair, [
615 SOCKET_LIBS="-lsocket"
616 AC_SUBST(SOCKET_LIBS)
620 dnl ****************************************
621 dnl *** GLib POLL* compatibility defines ***
622 dnl ****************************************
624 AC_MSG_CHECKING([for broken poll])
625 AC_RUN_IFELSE([AC_LANG_SOURCE([[
628 #ifdef HAVE_SYS_POLL_H
629 #include <sys/poll.h>
635 struct pollfd fds[1];
637 fd = open("/dev/null", 1);
639 fds[0].events = POLLIN;
641 if (poll(fds, 1, 0) < 0 || (fds[0].revents & POLLNVAL) != 0) {
642 exit(1); /* Does not work for devices -- fail */
648 AC_DEFINE(BROKEN_POLL,1,[poll doesn't work on devices])],
649 [broken_poll="no (cross compiling)"])
650 AC_MSG_RESULT($broken_poll)
652 dnl check for getpagesize()
653 AC_CHECK_FUNCS([getpagesize])
655 dnl Check for POSIX timers
656 CLOCK_GETTIME_FOUND="no"
657 AC_CHECK_FUNC(clock_gettime, [CLOCK_GETTIME_FOUND="yes"], [
658 AC_CHECK_LIB(rt, clock_gettime, [
659 CLOCK_GETTIME_FOUND="yes"
662 AC_CHECK_LIB(pthread, clock_gettime, [
663 CLOCK_GETTIME_FOUND="yes"
664 LIBS="$LIBS -lpthread"
669 # With XCode 8, clock_gettime will be incorrectly detected as being available
670 # regardless of what version of OS X you target because the symbol is available
671 # in the .tbd file as a weak symbol.
672 # See: https://bugzilla.gnome.org/show_bug.cgi?id=772451
674 # We cannot simply do AC_CHECK_FUNCS with -Wl,-no_weak_imports because the
675 # autoconf check does its own prototype declaration that doesn't trigger that
678 # It's only starting from macOS 10.12 and iOS 10.0 that clock_gettime is
679 # actually available, so we can unconditionally disable it for older versions.
682 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
683 #include <AvailabilityMacros.h>
684 #include <TargetConditionals.h>
685 #if defined(TARGET_OS_MAC)
686 # if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_12
687 # error "Not compiling for OS X 10.12 or later"
690 # if __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_10_0
691 # error "Not compiling for iOS 10.0 or later"
695 if test "$CLOCK_GETTIME_FOUND" = "yes"; then
696 AC_MSG_NOTICE([Disabling incorrectly detected clock_gettime on OS X])
698 CLOCK_GETTIME_FOUND="no"
703 if test "$CLOCK_GETTIME_FOUND" = "yes"; then
704 AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [Have clock_gettime])
707 AC_CACHE_CHECK(for posix timers, gst_cv_posix_timers,
708 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
714 #if !defined(_POSIX_TIMERS) || _POSIX_TIMERS < 0 || !defined(CLOCK_REALTIME)
715 #error Either _POSIX_TIMERS or CLOCK_REALTIME not defined
718 gst_cv_posix_timers=yes
720 gst_cv_posix_timers=no
724 if test "$gst_cv_posix_timers" = "yes"; then
725 AC_DEFINE(HAVE_POSIX_TIMERS,1,[Have posix timers])
726 GST_HAVE_POSIX_TIMERS_DEFINE="#define GST_HAVE_POSIX_TIMERS 1"
728 GST_HAVE_POSIX_TIMERS_DEFINE="#define GST_HAVE_POSIX_TIMERS 0"
730 AC_SUBST(GST_HAVE_POSIX_TIMERS_DEFINE)
731 AM_CONDITIONAL(GST_HAVE_POSIX_TIMERS, test "$gst_cv_posix_timers" = "yes")
733 AC_CACHE_CHECK(for monotonic clock, gst_cv_monotonic_clock,
734 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
740 #if !defined(_POSIX_MONOTONIC_CLOCK) || _POSIX_MONOTONIC_CLOCK < 0 || !defined(CLOCK_MONOTONIC)
741 #error Either _POSIX_MONOTONIC_CLOCK or CLOCK_MONOTONIC not defined
744 gst_cv_monotonic_clock=yes
746 gst_cv_monotonic_clock=no
750 if test "$gst_cv_monotonic_clock" = "yes"; then
751 AC_DEFINE(HAVE_MONOTONIC_CLOCK,1,[Have a monotonic clock])
752 GST_HAVE_MONOTONIC_CLOCK_DEFINE="#define GST_HAVE_MONOTONIC_CLOCK 1"
754 GST_HAVE_MONOTONIC_CLOCK_DEFINE="#define GST_HAVE_MONOTONIC_CLOCK 0"
756 AC_SUBST(GST_HAVE_MONOTONIC_CLOCK_DEFINE)
757 AM_CONDITIONAL(GST_HAVE_MONOTONIC_CLOCK, test "$gst_cv_monotonic_clock" = "yes")
759 dnl Check for a way to display the function name in debug output
760 AG_GST_CHECK_FUNCTION
762 dnl test if we have dladdr(); we use it for debugging; see gst/gstinfo.c
763 save_cflags="$CFLAGS"
764 CFLAGS="$CFLAGS -D_GNU_SOURCE"
765 AC_CHECK_LIB(dl, dladdr,
766 AC_DEFINE(HAVE_DLADDR, 1, [Defined if we have dladdr ()])
768 CFLAGS="$save_cflags"
770 dnl Check printf stuff
771 if test "x${GST_DISABLE_GST_DEBUG}" != "xyes"; then
772 AC_TYPE_LONG_LONG_INT
773 AC_TYPE_UNSIGNED_LONG_LONG_INT
775 if test x$ac_cv_type_long_long_int$ac_cv_type_unsigned_long_long_int = xyesyes; then
776 AC_DEFINE([HAVE_LONG_LONG], [1], [Define to 1 if the system has the type long long])
779 dnl /usr/share/aclocal/inttypes_h.m4 - ships with gettext apparently
780 gl_AC_HEADER_INTTYPES_H
782 dnl /usr/share/aclocal/stdint_h.m4 - ships with gettext apparently
783 gl_AC_HEADER_STDINT_H
785 AC_CHECK_TYPES(ptrdiff_t)
791 dnl *** checks for dependency libraries ***
795 AG_GST_GLIB_CHECK([$GLIB_REQ])
797 dnl Check for documentation xrefs
798 GLIB_PREFIX="`$PKG_CONFIG --variable=prefix glib-2.0`"
799 AC_SUBST(GLIB_PREFIX)
801 dnl GTK is optional and only used in examples
804 if test "x$BUILD_EXAMPLES" = "xyes"; then
805 PKG_CHECK_MODULES(GTK, gtk+-3.0 >= $GTK_REQ, HAVE_GTK=yes, HAVE_GTK=no)
809 AM_CONDITIONAL(HAVE_GTK, test "x$HAVE_GTK" = "xyes")
811 dnl libunwind is optionally used by the leaks tracer
812 AC_ARG_WITH([unwind],[AS_HELP_STRING([--with-unwind=yes|no|auto],[use libunwind])],
813 [], [with_unwind=auto])
814 if [ test "x${with_unwind}" != "xno" ]; then
815 PKG_CHECK_MODULES(UNWIND, [libunwind],
818 AC_DEFINE(HAVE_UNWIND, 1, [libunwind available])
819 UNWIND_REQUIRE=libunwind
820 AC_SUBST(UNWIND_REQUIRE)
824 if [ test "x${with_unwind}" = "xyes" ]; then
825 AC_MSG_ERROR([could not find libunwind])
832 dnl libdw is optionally used to add source lines and numbers to backtraces
833 AC_ARG_WITH([dw],[AS_HELP_STRING([--with-dw=yes|no|auto],[use libdw])],
835 if [ test "x${with_dw}" != "xno" ]; then
836 PKG_CHECK_MODULES(DW, [libdw],
839 AC_DEFINE(HAVE_DW, 1, [libdw available])
845 if [ test "x${with_dw}" = "xyes" ]; then
846 AC_MSG_ERROR([could not find libdw])
853 dnl Check for backtrace() from libc
854 AC_CHECK_FUNC(backtrace, [
855 AC_CHECK_HEADERS([execinfo.h], [
856 AC_DEFINE(HAVE_BACKTRACE,1,[Have backtrace])
860 dnl building of unit test libraries
862 AS_HELP_STRING([--disable-check],[disable building unit test libraries]),
864 case "${enableval}" in
865 yes) BUILD_CHECK=yes ;;
866 no) BUILD_CHECK=no ;;
867 *) AC_MSG_ERROR(bad value ${enableval} for --disable-check) ;;
872 mingw* | msvc* | mks*) BUILD_CHECK=no ;;
873 *) BUILD_CHECK=yes ;;
876 dnl bit of a misnomer, but keep the conditional named like this so we don't
877 dnl have to change too much elsewhere
878 AM_CONDITIONAL(HAVE_CHECK, test "x$BUILD_CHECK" = "xyes")
880 dnl configure the desired memory alignment
881 AC_ARG_WITH([memory-alignment],
882 AS_HELP_STRING([--with-memory-alignment],[8,N,malloc,pagesize (default is 32)]),
884 if test "x$withval" = "xyes"
886 AC_DEFINE(MEMORY_ALIGNMENT, 32, [Memory alignment to use])
889 malloc) AC_DEFINE(MEMORY_ALIGNMENT_MALLOC, 1, [Memory alignment by malloc default]) ;;
890 pagesize) AC_DEFINE(MEMORY_ALIGNMENT_PAGESIZE, 1, [Memory alignment by pagesize]) ;;
891 *) AC_DEFINE_UNQUOTED(MEMORY_ALIGNMENT, ${withval}, [Memory alignment to use]) ;;
895 AC_DEFINE(MEMORY_ALIGNMENT_MALLOC, 1, [Memory alignment by malloc default])
899 dnl Symbol visibility
901 AS_COMPILER_FLAG([-fvisibility=hidden], [
902 VISIBILITY_CFLAGS="-fvisibility=hidden"
903 AC_DEFINE(GST_API_EXPORT, [extern __attribute__ ((visibility ("default")))], [public symbol export define])
906 AC_DEFINE(GST_API_EXPORT, [extern], [public symbol export define])
908 AC_SUBST(VISIBILITY_CFLAGS)
910 dnl Check for -Bsymbolic-functions linker flag used to avoid
911 dnl intra-library PLT jumps, if available.
912 AC_ARG_ENABLE(Bsymbolic,
913 [AS_HELP_STRING([--disable-Bsymbolic],[avoid linking with -Bsymbolic])],,
914 [SAVED_LDFLAGS="${LDFLAGS}" SAVED_LIBS="${LIBS}"
915 AC_MSG_CHECKING([for -Bsymbolic-functions linker flag])
916 LDFLAGS=-Wl,-Bsymbolic-functions
918 AC_TRY_LINK([], [return 0],
920 enable_Bsymbolic=yes,
923 LDFLAGS="${SAVED_LDFLAGS}" LIBS="${SAVED_LIBS}"])
926 dnl *** set variables based on configure arguments
928 dnl set license and copyright notice
930 AC_DEFINE_UNQUOTED(GST_LICENSE, "$GST_LICENSE", [GStreamer license])
931 AC_SUBST(GST_LICENSE)
933 dnl define LIBDIR, GST_DATADIR so we can inform people where we live
934 AS_AC_EXPAND(LIBDIR, $libdir)
935 AC_DEFINE_UNQUOTED(LIBDIR, "$LIBDIR", [library dir])
936 AS_AC_EXPAND(DATADIR, $datadir)
937 AC_DEFINE_UNQUOTED(GST_DATADIR, "$DATADIR", [data dir])
939 dnl set location of plugin directory
942 dnl make sure it doesn't complain about unused variables if debugging is disabled
944 if test "x${GST_DISABLE_GST_DEBUG}" = "xyes"; then
945 NO_WARNINGS="-Wno-unused"
948 dnl define an ERROR_CFLAGS Makefile variable
949 AG_GST_SET_ERROR_CFLAGS($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 $NO_WARNINGS])
951 dnl special warning flags for gst/printf
952 AS_COMPILER_FLAG([-Wno-format-nonliteral], [PRINTF_CFLAGS="-Wno-format-nonliteral"])
953 AC_SUBST(PRINTF_CFLAGS)
955 dnl disable strict aliasing
956 AS_COMPILER_FLAG([-fno-strict-aliasing], [EXTRA_CFLAGS="-fno-strict-aliasing"])
957 AC_SUBST(EXTRA_CFLAGS)
959 dnl define correct level for debugging messages
960 AG_GST_SET_LEVEL_DEFAULT($GST_GIT)
962 dnl *** finalize CFLAGS, LDFLAGS, LIBS
965 dnl GST_OPTION_CFLAGS: common cflags for profiling, debugging, errors, ...
966 dnl GST_ALL_*: vars shared by all built objects
967 dnl GST_LIB_LDFLAGS: additional linker flags for all libraries
968 dnl GST_OBJ_*: additional vars to link to the core library
969 dnl include GST_ALL_*
970 dnl GST_LT_LDFLAGS: library versioning of our libraries
971 dnl GST_PLUGIN_LDFLAGS: flags to be used for all plugins
973 dnl GST_OPTION_CFLAGS
974 if test "x$USE_DEBUG" = xyes; then
977 AC_SUBST(PROFILE_CFLAGS)
979 # GST_DISABLE_DEPRECATED: hide the visibility of deprecated
980 # functionality from the API that gstreamer uses
981 # GST_REMOVE_DEPRECATED: don't compile deprecated functionality (breaks ABI)
982 if test "x$PACKAGE_VERSION_NANO" = "x1"; then
983 dnl Define _only_ when compiling from git (not for pre-releases or releases)
984 DEPRECATED_CFLAGS="-DGST_DISABLE_DEPRECATED"
988 AC_SUBST(DEPRECATED_CFLAGS)
990 dnl every flag in GST_OPTION_CFLAGS can be overridden at make time via e.g.
991 dnl make DEPRECATED_CFLAGS=''
992 GST_OPTION_CFLAGS="\$(WARNING_CFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)"
993 GST_OPTION_CXXFLAGS="\$(WARNING_CXXFLAGS) \$(ERROR_CXXFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)"
994 GST_OPTION_CFLAGS="$GST_OPTION_CFLAGS"
995 GST_OPTION_CXXFLAGS="$GST_OPTION_CXXFLAGS"
996 AC_SUBST(GST_OPTION_CFLAGS)
997 AC_SUBST(GST_OPTION_CXXFLAGS)
1000 dnl vars common to for all internal objects (core libs, elements, applications)
1002 dnl - src and build dirs need to be added because every piece that gets built
1003 dnl will need the GStreamer source and generated headers
1004 dnl LIBS: XML doesn't need to be added because we don't explicitly use symbols
1005 dnl from LibXML except for in the core library
1006 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)"
1007 GST_ALL_CFLAGS="-I\$(top_srcdir)/libs -I\$(top_srcdir) -I\$(top_builddir)/libs -I\$(top_builddir) $GLIB_CFLAGS \$(GLIB_EXTRA_CFLAGS) $EXTRA_CFLAGS \$(GST_OPTION_CFLAGS) \$(ERROR_CFLAGS) \$(VISIBILITY_CFLAGS)"
1009 dnl FIXME: check if LTLIBINTL is needed everywhere
1010 dnl I presume it is given that it contains the symbols that _() stuff maps to
1011 GST_ALL_LIBS="$GLIB_LIBS $LTLIBINTL \$(GCOV_LIBS)"
1013 dnl LDFLAGS really should only contain flags, not libs - they get added before
1014 dnl whatevertarget_LIBS and -L flags here affect the rest of the linking
1015 GST_ALL_LDFLAGS="-no-undefined"
1016 if test "x${enable_Bsymbolic}" = "xyes"; then
1017 GST_ALL_LDFLAGS="$GST_ALL_LDFLAGS -Wl,-Bsymbolic-functions"
1020 AC_SUBST(GST_ALL_CFLAGS)
1021 AC_SUBST(GST_ALL_CXXFLAGS)
1022 AC_SUBST(GST_ALL_LIBS)
1023 AC_SUBST(GST_ALL_LDFLAGS)
1026 dnl linker flags shared by all libraries
1027 dnl LDFLAGS modifier defining exported symbols from built libraries
1029 AC_SUBST(GST_LIB_LDFLAGS)
1032 dnl default vars for all internal objects built on libgstreamer
1033 dnl includes GST_ALL_*
1034 GST_OBJ_CFLAGS="\$(GST_ALL_CFLAGS) $GST_OBJ_STATIC_CFLAGS"
1035 GST_OBJ_CXXFLAGS="\$(GST_ALL_CXXFLAGS) $GST_OBJ_STATIC_CFLAGS"
1036 GST_OBJ_LIBS="\$(top_builddir)/gst/libgstreamer-$GST_API_VERSION.la \$(GST_ALL_LIBS)"
1037 AC_SUBST(GST_OBJ_CFLAGS)
1038 AC_SUBST(GST_OBJ_CXXFLAGS)
1039 AC_SUBST(GST_OBJ_LIBS)
1041 dnl GST_PLUGIN_LDFLAGS
1042 dnl LDFLAGS for plugins; includes GST_ALL_LDFLAGS
1043 GST_PLUGIN_LDFLAGS="-module -avoid-version $GST_ALL_LDFLAGS"
1044 AC_SUBST(GST_PLUGIN_LDFLAGS, "$GST_PLUGIN_LDFLAGS")
1046 dnl plugin scanner locations
1047 AS_AC_EXPAND(GST_PLUGIN_SCANNER_INSTALLED,${libexecdir}/gstreamer-$GST_API_VERSION/gst-plugin-scanner)
1048 AC_DEFINE_UNQUOTED(GST_PLUGIN_SCANNER_INSTALLED,
1049 "$GST_PLUGIN_SCANNER_INSTALLED", [location of the installed gst-plugin-scanner])
1050 AC_SUBST(GST_PLUGIN_SCANNER_INSTALLED)
1052 case "${libexecdir}" in
1054 GST_PLUGIN_SCANNER_SUBDIR="libexec";;
1056 GST_PLUGIN_SCANNER_SUBDIR="lib";;
1058 GST_PLUGIN_SCANNER_SUBDIR=`basename ${libexecdir}`;
1059 if test -z "$GST_PLUGIN_SCANNER_SUBDIR"; then
1060 AC_MSG_WARN([Couldn't determined libexecdir suffix, using "lib"])
1061 GST_PLUGIN_SCANNER_SUBDIR="lib";
1065 AC_DEFINE_UNQUOTED(GST_PLUGIN_SCANNER_SUBDIR,
1066 "$GST_PLUGIN_SCANNER_SUBDIR", [libexecdir path component, used to find plugin-scanner on relocatable builds on windows])
1070 GST_PLUGIN_SUBDIR="lib64";;
1072 GST_PLUGIN_SUBDIR="lib32";;
1074 GST_PLUGIN_SUBDIR="lib";;
1076 GST_PLUGIN_SUBDIR=`basename ${libdir}`;
1077 if test -z "$GST_PLUGIN_SUBDIR"; then
1078 AC_MSG_WARN([Couldn't determined libdir suffix, using "lib"])
1079 GST_PLUGIN_SUBDIR="lib";
1083 AC_DEFINE_UNQUOTED(GST_PLUGIN_SUBDIR,
1084 "$GST_PLUGIN_SUBDIR", [plugin directory path component, used to find plugins on relocatable builds on windows])
1086 dnl completion helper locations
1087 AS_AC_EXPAND(GST_COMPLETION_HELPER_INSTALLED,${libexecdir}/gstreamer-$GST_API_VERSION/gst-completion-helper)
1088 AC_DEFINE_UNQUOTED(GST_COMPLETION_HELPER_INSTALLED,
1089 "$GST_COMPLETION_HELPER_INSTALLED", [location of the installed gst-completion-helper])
1090 AC_SUBST(GST_COMPLETION_HELPER_INSTALLED)
1092 dnl ptp helper locations
1093 AS_AC_EXPAND(GST_PTP_HELPER_INSTALLED,${libexecdir}/gstreamer-$GST_API_VERSION/gst-ptp-helper)
1094 AC_DEFINE_UNQUOTED(GST_PTP_HELPER_INSTALLED,
1095 "$GST_PTP_HELPER_INSTALLED", [location of the installed gst-ptp-helper])
1096 AC_SUBST(GST_PTP_HELPER_INSTALLED)
1098 dnl things for our internal libcheck (must be called even if building
1099 dnl libcheck is disabled because it defines conditionals)
1105 data/bash-completion/helpers/gst
1109 libs/gst/helpers/libgstreamer-gdb.py
1114 libs/gst/base/Makefile
1115 libs/gst/check/Makefile
1116 libs/gst/check/libcheck/Makefile
1117 libs/gst/check/internal-check.h:libs/gst/check/libcheck/check.h.in
1118 libs/gst/controller/Makefile
1119 libs/gst/helpers/Makefile
1120 libs/gst/net/Makefile
1122 plugins/elements/Makefile
1123 plugins/tracers/Makefile
1126 tests/benchmarks/Makefile
1127 tests/check/Makefile
1129 tests/examples/Makefile
1130 tests/examples/adapter/Makefile
1131 tests/examples/controller/Makefile
1132 tests/examples/stepping/Makefile
1133 tests/examples/helloworld/Makefile
1134 tests/examples/memory/Makefile
1135 tests/examples/netclock/Makefile
1136 tests/examples/ptp/Makefile
1137 tests/examples/streamiddemux/Makefile
1138 tests/examples/streams/Makefile
1145 pkgconfig/gstreamer.pc
1146 pkgconfig/gstreamer-uninstalled.pc
1147 pkgconfig/gstreamer-base.pc
1148 pkgconfig/gstreamer-base-uninstalled.pc
1149 pkgconfig/gstreamer-check.pc
1150 pkgconfig/gstreamer-check-uninstalled.pc
1151 pkgconfig/gstreamer-controller.pc
1152 pkgconfig/gstreamer-controller-uninstalled.pc
1153 pkgconfig/gstreamer-net.pc
1154 pkgconfig/gstreamer-net-uninstalled.pc
1159 dnl negate for output
1160 if test "x${GST_DISABLE_GST_DEBUG}" = "xno"; then enable_gst_debug="yes"; fi
1161 if test "x${GST_DISABLE_GST_TRACER_HOOKS}" = "xno"; then enable_gst_tracer_hooks="yes"; fi
1162 if test "x${GST_DISABLE_PARSE}" = "xno"; then enable_parse="yes"; fi
1163 if test "x${GST_DISABLE_OPTION_PARSING}" = "xno"; then enable_option_parsing="yes"; fi
1164 if test "x${GST_DISABLE_PLUGIN}" = "xno"; then enable_plugin="yes"; fi
1165 if test "x${GST_DISABLE_REGISTRY}" = "xno"; then enable_registry="yes"; fi
1170 Version : ${VERSION}
1171 Source code location : ${srcdir}
1174 Package name : ${GST_PACKAGE_NAME}
1175 Package origin : ${GST_PACKAGE_ORIGIN}
1177 Debug logging : ${enable_gst_debug}
1178 Tracing subsystem hooks : ${enable_gst_tracer_hooks}
1179 Command-line parser : ${enable_parse}
1180 Option parsing in gst_init : ${enable_option_parsing}
1181 Plugin registry : ${enable_registry}
1182 Plugin support : ${enable_plugin}
1183 Static plugins : ${enable_static_plugins}
1184 Unit testing support : ${BUILD_CHECK}
1185 PTP clock support : ${HAVE_PTP}
1186 libunwind support : ${HAVE_UNWIND}
1187 libdw support : ${HAVE_DW}
1189 Debug : ${USE_DEBUG}
1190 Profiling : ${USE_PROFILING}
1192 Building benchmarks : ${BUILD_BENCHMARKS}
1193 Building examples : ${BUILD_EXAMPLES}
1194 Building test apps : ${BUILD_TESTS}
1195 Building tests that fail : ${BUILD_FAILING_TESTS}
1196 Building tools : ${BUILD_TOOLS}