3 dnl initialize autoconf
4 dnl when going to/from release please set the nano (fourth number) right !
5 dnl releases only do Wall, cvs and prerelease does Werror too
6 AC_INIT(GStreamer libav, 1.13.0.1,
7 http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer,
12 dnl initialize automake
13 AM_INIT_AUTOMAKE([-Wno-portability 1.14 no-dist-gzip dist-xz tar-ustar subdir-objects])
15 dnl define PACKAGE_VERSION_* variables
18 dnl check if this is a release version
19 AS_NANO(GST_GIT="no", GST_GIT="yes")
21 dnl can autoconf find the source ?
22 AC_CONFIG_SRCDIR([ext/libav/gstav.c])
24 dnl define the output header for config
25 AC_CONFIG_HEADERS([config.h])
27 dnl AM_MAINTAINER_MODE only provides the option to configure to enable it
28 AM_MAINTAINER_MODE([enable])
30 dnl sets host_* variables
33 dnl use pretty build output by default
34 AM_SILENT_RULES([yes])
36 dnl our libraries and install dirs use major.minor as a version
37 GST_API_VERSION=$PACKAGE_VERSION_MAJOR.$PACKAGE_VERSION_MINOR
38 dnl we override it here if we need to for the release candidate of new series
40 AC_SUBST(GST_API_VERSION)
42 AG_GST_LIBTOOL_PREPARE
43 AS_LIBTOOL(GST, 1300, 0, 1300)
45 dnl *** required versions of GStreamer stuff ***
52 dnl *** autotools stuff ****
54 dnl allow for different autotools
55 AS_AUTOTOOLS_ALTERNATE
57 dnl Add parameters for aclocal
58 AC_SUBST(ACLOCAL_AMFLAGS, "-I m4 -I common/m4")
60 dnl *** check for arguments to configure ***
62 AG_GST_ARG_DISABLE_FATAL_WARNINGS
63 AG_GST_ARG_ENABLE_EXTRA_CHECKS
65 AG_GST_ARG_WITH_PKG_CONFIG_PATH
66 AG_GST_ARG_WITH_PACKAGE_NAME
67 AG_GST_ARG_WITH_PACKAGE_ORIGIN
71 dnl *** checks for platform ***
73 dnl * hardware/architecture *
75 dnl common/m4/gst-arch.m4
79 dnl *** checks for programs ***
85 dnl check if the compiler supports '-c' and '-o' options
88 AC_PATH_PROG(VALGRIND_PATH, valgrind, no)
89 AM_CONDITIONAL(HAVE_VALGRIND, test ! "x$VALGRIND_PATH" = "xno")
91 dnl check for documentation tools
93 AG_GST_PLUGIN_DOCS([1.12])
95 dnl *** checks for libraries ***
97 dnl check for libm, for sin()
101 dnl check for pthreads
104 dnl *** checks for header files ***
106 dnl check if we have ANSI C header files
109 dnl *** checks for types/defines ***
111 dnl *** checks for structures ***
113 dnl *** checks for compiler characteristics ***
115 dnl *** checks for library functions ***
117 dnl *** checks for dependancy libraries ***
122 AG_GST_GLIB_CHECK([$GLIB_REQ])
124 dnl checks for gstreamer
125 dnl uninstalled is selected preferentially -- see pkg-config(1)
126 AG_GST_CHECK_GST($GST_API_VERSION, [$GST_REQ])
127 AG_GST_CHECK_GST_BASE($GST_API_VERSION, [$GST_REQ])
128 AG_GST_CHECK_GST_PLUGINS_BASE($GST_API_VERSION, [$GST_PBREQ])
129 AG_GST_CHECK_GST_CHECK($GST_API_VERSION, [$GST_REQ], no)
130 AM_CONDITIONAL(HAVE_GST_CHECK, test "x$HAVE_GST_CHECK" = "xyes")
132 AC_MSG_NOTICE(Using GStreamer Core Plugins in $GST_PLUGINS_DIR)
133 AC_MSG_NOTICE(Using GStreamer Base Plugins in $GSTPB_PLUGINS_DIR)
135 dnl Check for -Bsymbolic-functions linker flag used to avoid
136 dnl intra-library PLT jumps, if available.
137 AC_ARG_ENABLE(Bsymbolic,
138 [AS_HELP_STRING([--disable-Bsymbolic],[avoid linking with -Bsymbolic])],,
139 [SAVED_LDFLAGS="${LDFLAGS}" SAVED_LIBS="${LIBS}"
140 AC_MSG_CHECKING([for -Bsymbolic-functions linker flag])
141 LDFLAGS=-Wl,-Bsymbolic-functions
143 AC_TRY_LINK([], [return 0],
145 enable_Bsymbolic=yes,
148 LDFLAGS="${SAVED_LDFLAGS}" LIBS="${SAVED_LIBS}"])
150 dnl *** set variables based on configure arguments ***
152 dnl set location of plugin directory
155 dnl build static plugins or not
156 AC_MSG_CHECKING([whether to build static plugins or not])
160 [--enable-static-plugins],
161 [build static plugins @<:@default=no@:>@]),
163 [$enableval], [no], [], [yes], [],
164 [AC_MSG_ERROR([bad value "$enableval" for --enable-static-plugins])])],
165 [enable_static_plugins=no])
166 AC_MSG_RESULT([$enable_static_plugins])
167 if test "x$enable_static_plugins" = xyes; then
168 AC_DEFINE(GST_PLUGIN_BUILD_STATIC, 1,
169 [Define if static plugins should be built])
170 GST_PLUGIN_LIBTOOLFLAGS=""
172 GST_PLUGIN_LIBTOOLFLAGS="--tag=disable-static"
174 AC_SUBST(GST_PLUGIN_LIBTOOLFLAGS)
175 AM_CONDITIONAL(GST_PLUGIN_BUILD_STATIC, test "x$enable_static_plugins" = "xyes")
177 dnl define an ERROR_CFLAGS Makefile variable
178 AG_GST_SET_ERROR_CFLAGS($FATAL_WARNINGS, [
179 -Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wundef
180 -Wwrite-strings -Wformat-nonliteral -Wformat-security -Wold-style-definition
181 -Winit-self -Wmissing-include-dirs -Waddress
182 -Waggregate-return -Wno-multichar -Wnested-externs ])
184 dnl define correct level for debugging messages
185 AG_GST_SET_LEVEL_DEFAULT($GST_GIT)
187 dnl *** finalize CFLAGS, LDFLAGS, LIBS ***
190 dnl GST_OPTION_CFLAGS: common flags for profiling, debugging, errors, ...
191 dnl GST_*: flags shared by built objects to link against GStreamer
192 dnl GST_ALL_LDFLAGS: linker flags shared by all
193 dnl GST_LIB_LDFLAGS: additional linker flags for all libaries
194 dnl GST_LT_LDFLAGS: library versioning of our libraries
195 dnl GST_PLUGIN_LDFLAGS: flags to be used for all plugins
197 dnl GST_OPTION_CFLAGS
198 if test "x$USE_DEBUG" = xyes; then
201 AC_SUBST(PROFILE_CFLAGS)
203 if test "x$GST_GIT" = "xyes"; then
204 DEPRECATED_CFLAGS="-DGST_DISABLE_DEPRECATED"
208 AC_SUBST(DEPRECATED_CFLAGS)
210 dnl every flag in GST_OPTION_CFLAGS can be overridden at make time
211 GST_OPTION_CFLAGS="\$(WARNING_CFLAGS) \$(ERROR_CFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)"
213 AC_SUBST(GST_OPTION_CFLAGS)
215 dnl FIXME: do we want to rename to GST_ALL_* ?
216 dnl prefer internal headers to already installed ones
217 dnl also add builddir include for enumtypes and marshal
218 dnl add GST_OPTION_CFLAGS, but overridable
219 GST_CFLAGS="$GST_CFLAGS"
220 GST_CFLAGS="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CFLAGS)"
224 GST_ALL_LDFLAGS="-no-undefined"
225 if test "x${enable_Bsymbolic}" = "xyes"; then
226 GST_ALL_LDFLAGS="$GST_ALL_LDFLAGS -Wl,-Bsymbolic-functions"
228 AC_SUBST(GST_ALL_LDFLAGS)
230 dnl this really should only contain flags, not libs - they get added before
231 dnl whatevertarget_LIBS and -L flags here affect the rest of the linking
232 GST_PLUGIN_LDFLAGS="-module -avoid-version -export-symbols-regex '^[_]*gst_plugin_.*' $GST_ALL_LDFLAGS"
233 AC_SUBST(GST_PLUGIN_LDFLAGS)
235 dnl Add MacOSX specific flags
239 DARWIN_LDFLAGS="-Wl,-read_only_relocs,suppress"
245 AC_SUBST(DARWIN_LDFLAGS)
248 [AC_HELP_STRING([--enable-gpl], [build a GPL licensed gst-libav])])
249 AM_CONDITIONAL(GST_LIBAV_ENABLE_GPL, test "x$enable_gpl" = "xyes")
250 if test "x$enable_gpl" = "xyes"; then
251 AC_DEFINE([GST_LIBAV_ENABLE_GPL], [], [Defined if building a GPL-licensed version of gst-libav])
254 dnl *** configure external libs ***
256 HAVE_LIBAV_UNINSTALLED=1
258 AC_ARG_WITH(system-libav,
259 [AC_HELP_STRING([--with-system-libav], [use system Libav libraries])])
263 if test "x$with_system_libav" = "xyes"; then
264 PKG_CHECK_MODULES(LIBAV, libavfilter libavformat libavcodec >= 57 libavutil)
265 PKG_CHECK_MODULES(SWSCALE, libswscale libavutil)
266 saved_CPPFLAGS="$CPPFLAGS"
267 CPPFLAGS="$CPPFLAGS $LIBAV_CFLAGS"
268 AC_CHECK_HEADERS([avi.h])
269 AC_DEFINE([LIBAV_SOURCE], ["system install"], [Describes where the Libav libraries come from.])
270 HAVE_LIBAV_UNINSTALLED=0
271 AC_MSG_NOTICE([Using system-installed libav code])
272 AC_MSG_CHECKING([whether libav is provided by FFmpeg])
273 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
274 #include <libavcodec/avcodec.h>
276 #if LIBAVCODEC_VERSION_MICRO >= 100
277 /* FFmpeg uses 100+ as its micro version */
279 #error libav provider should be FFmpeg
281 ]])], [is_ffmpeg=yes], [is_ffmpeg=no])
282 AC_MSG_RESULT([$is_ffmpeg])
283 CPPFLAGS="$saved_CPPFLAGS"
284 if test "$is_ffmpeg" = no; then
285 AC_MSG_ERROR([Uncompatible libavcodec found])
288 AC_MSG_NOTICE([Using local Libav snapshot])
290 dnl *** Check for bz2
293 AC_MSG_CHECKING([for BZ2_bzlibVersion in -lbz2])
294 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <bzlib.h>]], [[const char *version = BZ2_bzlibVersion ();]])],[HAVE_BZ2=yes],[HAVE_BZ2=no])
295 AC_MSG_RESULT($HAVE_BZ2)
297 if test "x$HAVE_BZ2" = "xno"; then
298 AC_WARN([libbz2 not found, matroska demuxer will not be able to read bz2 tracks])
301 dnl *** Check for lzma
304 AC_MSG_CHECKING([for lzma_version_string in -llzma])
305 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <lzma.h>]], [[const char *version = lzma_version_string ();]])],[HAVE_LZMA=yes],[HAVE_LZMA=no])
306 AC_MSG_RESULT($HAVE_LZMA)
308 if test "x$HAVE_LZMA" = "xno"; then
309 AC_WARN([lzma not found, tiff reader will not be able to read lzma files])
312 dnl libgstlibav.la: include dirs
313 LIBAV_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav \
314 -I \$(top_builddir)/gst-libs/ext/libav \
315 -Wno-deprecated-declarations"
317 LIBAV_DEPS="\$(top_builddir)/gst-libs/ext/libav/libavformat/libavformat.a \
318 \$(top_builddir)/gst-libs/ext/libav/libavcodec/libavcodec.a \
319 \$(top_builddir)/gst-libs/ext/libav/libavfilter/libavfilter.a \
320 \$(top_builddir)/gst-libs/ext/libav/libswresample/libswresample.a \
321 \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
322 if test "x$enable_static_plugins" = xyes; then
323 dnl with static linking we can't use the .a archive directly as they would
324 dnl be included in the final libgstlibav.a as a file and won't be usable.
325 dnl libav*.a must be copied to the final destination too
326 LIBAV_LIBS="-lavformat -lavcodec -lswresample -lavutil -lavfilter"
328 dnl libgstlibav.la: libs to statically link to
329 LIBAV_LIBS="$LIBAV_DEPS"
333 SWSCALE_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav \
334 -I \$(top_builddir)/gst-libs/ext/libav \
335 -Wno-deprecated-declarations"
337 SWSCALE_DEPS="\$(top_builddir)/gst-libs/ext/libav/libswscale/libswscale.a \
338 \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
339 if test "x$enable_static_plugins" = xyes; then
340 dnl with static linking we can't use the .a archive directly as they would
341 dnl be included in the final libgstswscale.a as a file and won't be usable.
342 dnl libav*.a must be copied to the final destination too
343 SWSCALE_LIBS="-lswscale -lavutil"
345 dnl libgstswscale.la: libs to statically link to
346 SWSCALE_LIBS="$SWSCALE_DEPS"
349 LIBAV_SUBDIRS=gst-libs
350 AC_DEFINE(HAVE_AVI_H)
351 AC_DEFINE([LIBAV_SOURCE], ["local snapshot"], [Describes where the Libav libraries come from.])
353 AC_ARG_WITH(libav-extra-configure,
354 AC_HELP_STRING([--with-libav-extra-configure="xxx"],
355 [extra configure options for internal libav ./configure script]),,
359 emblibav_configure_args="--prefix=$prefix"
361 # Enable pic and static so that we get .a files, but with PIC code.
362 emblibav_configure_args="$emblibav_configure_args \
363 --enable-static --enable-pic \
364 --disable-avdevice --disable-postproc \
365 --disable-programs --disable-ffserver --disable-ffplay --disable-ffprobe --disable-ffmpeg \
366 --disable-encoder=flac --disable-protocols --disable-devices \
367 --disable-network --disable-hwaccels --disable-dxva2 --disable-vdpau \
368 --disable-filters --enable-filter=yadif --disable-doc --disable-vda --disable-d3d11va --disable-dxva2 \
369 --disable-audiotoolbox --disable-videotoolbox --disable-vaapi --disable-crystalhd \
370 --disable-mediacodec --disable-nvenc --disable-mmal --disable-omx \
371 --disable-omx-rpi --disable-cuda --disable-cuvid --disable-libmfx \
372 --disable-libnpp --disable-iconv --disable-jni --enable-optimizations"
374 if test "x$enable_gpl" == "xyes"; then
375 emblibav_configure_args="$emblibav_configure_args --enable-gpl"
378 # if we are cross-compiling, tell libav so
387 target_os=`echo $host_os | sed 's/-gnu.*//'`
391 if test "x$cross_compiling" = xyes; then
392 emblibav_configure_args="$emblibav_configure_args --enable-cross-compile \
393 --target-os=$target_os --arch=$host_cpu --cross-prefix=$host_alias-"
398 WIN32_LIBS="-lws2_32"
405 if test x"$AR" != x; then
406 emblibav_configure_args="$emblibav_configure_args --ar=\\\"\\\$AR\\\""
409 if test x"$AS" != x; then
410 emblibav_configure_args="$emblibav_configure_args --as=\\\"\\\$AS\\\""
413 if test x"$CC" != x; then
414 emblibav_configure_args="$emblibav_configure_args --cc=\\\"\\\$CC\\\""
417 if test x"$LD" != x; then
418 emblibav_configure_args="$emblibav_configure_args --ld=\\\"\\\$CC\\\""
421 if test x"$NM" != x; then
422 emblibav_configure_args="$emblibav_configure_args --nm=\\\"\\\$NM\\\""
425 dnl checks for extra enable/disable flags
426 LIBAV_OPTS=`cd $srcdir/gst-libs/ext/libav && ./configure --help`
427 # Let's check if we can disable the building of the libav binary
428 can_disable=`echo "$LIBAV_OPTS" | grep 'disable-ffmpeg'`
429 if test "$can_disable" != ""; then
430 emblibav_configure_args="$emblibav_configure_args --disable-ffmpeg"
432 dnl check if libswscale needs enabling explicitly
433 can_enable=`echo "$LIBAV_OPTS" | grep 'enable-swscale'`
434 if test "$can_enable" != ""; then
435 emblibav_configure_args="$emblibav_configure_args --enable-swscale"
438 # append extra configure options to emblibav_configure_args if needed
439 if test "x$with_libav_extra_configure" != "xno"; then
440 emblibav_configure_args="$emblibav_configure_args $with_libav_extra_configure"
443 AC_SUBST(LIBAV_CO_DIR)
445 AC_SUBST(LIBAV_REVISION)
446 AC_SUBST(LIBAV_EXTERNALS_REVISION)
447 AC_CONFIG_COMMANDS([configure-embedded-libav],
448 [echo "Configuring included Libav instance with args $emblibav_configure_args"
450 dnl Don't put path on the configure call when not needed, as FFmpeg's configure relies on it
451 dnl to detect out-of-tree builds
452 if test -z "$srcdir" -o "$srcdir" = .; then
455 confcmd="$ac_abs_top_srcdir"/gst-libs/ext/libav/configure
458 AS_MKDIR_P(["$ac_top_build_prefix"gst-libs/ext/libav])
459 cd "$ac_top_build_prefix"gst-libs/ext/libav &&
460 eval "$confcmd $emblibav_configure_args" ||
461 AC_MSG_ERROR([Failed to configure embedded Libav tree])
464 [emblibav_configure_args="$emblibav_configure_args"])
465 AC_MSG_NOTICE([Using included Libav code])
468 AM_CONDITIONAL(HAVE_BZ2, test "x$HAVE_BZ2" = "xyes")
469 AM_CONDITIONAL(HAVE_LZMA, test "x$HAVE_LZMA" = "xyes")
471 AC_SUBST(LIBAV_CFLAGS)
474 AC_SUBST(LIBAV_SUBDIRS)
475 AC_SUBST(SWSCALE_CFLAGS)
476 AC_SUBST(SWSCALE_DEPS)
477 AC_SUBST(SWSCALE_LIBS)
480 if test x$HAVE_LIBAV_UNINSTALLED = x1; then
481 AC_DEFINE(HAVE_LIBAV_UNINSTALLED, [], [Defined if building against uninstalled Libav source])
483 AM_CONDITIONAL(HAVE_LIBAV_UNINSTALLED, test x$HAVE_LIBAV_UNINSTALLED = x1)
491 ext/libswscale/Makefile
493 gst-libs/ext/Makefile
495 docs/plugins/Makefile
496 docs/version.entities
501 pkgconfig/gstreamer-plugins-libav-uninstalled.pc