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, 1.7.91,
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, 791, 0, 791)
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$VALGRIND_PATH" = "xno")
91 dnl check for documentation tools
93 AG_GST_PLUGIN_DOCS([1.12])
95 dnl *** checks for libraries ***
97 dnl check for libm, for sin()
101 dnl *** checks for header files ***
103 dnl check if we have ANSI C header files
106 dnl *** checks for types/defines ***
108 dnl *** checks for structures ***
110 dnl *** checks for compiler characteristics ***
112 dnl *** checks for library functions ***
114 dnl *** checks for dependancy libraries ***
119 AG_GST_GLIB_CHECK([$GLIB_REQ])
121 dnl checks for gstreamer
122 dnl uninstalled is selected preferentially -- see pkg-config(1)
123 AG_GST_CHECK_GST($GST_API_VERSION, [$GST_REQ])
124 AG_GST_CHECK_GST_BASE($GST_API_VERSION, [$GST_REQ])
125 AG_GST_CHECK_GST_PLUGINS_BASE($GST_API_VERSION, [$GST_PBREQ])
126 AG_GST_CHECK_GST_CHECK($GST_API_VERSION, [$GST_REQ], no)
127 AM_CONDITIONAL(HAVE_GST_CHECK, test "x$HAVE_GST_CHECK" = "xyes")
129 AC_MSG_NOTICE(Using GStreamer Core Plugins in $GST_PLUGINS_DIR)
130 AC_MSG_NOTICE(Using GStreamer Base Plugins in $GSTPB_PLUGINS_DIR)
132 dnl Check for -Bsymbolic-functions linker flag used to avoid
133 dnl intra-library PLT jumps, if available.
134 AC_ARG_ENABLE(Bsymbolic,
135 [AS_HELP_STRING([--disable-Bsymbolic],[avoid linking with -Bsymbolic])],,
136 [SAVED_LDFLAGS="${LDFLAGS}" SAVED_LIBS="${LIBS}"
137 AC_MSG_CHECKING([for -Bsymbolic-functions linker flag])
138 LDFLAGS=-Wl,-Bsymbolic-functions
140 AC_TRY_LINK([], [return 0],
142 enable_Bsymbolic=yes,
145 LDFLAGS="${SAVED_LDFLAGS}" LIBS="${SAVED_LIBS}"])
147 dnl *** set variables based on configure arguments ***
149 dnl set location of plugin directory
152 dnl build static plugins or not
153 AC_MSG_CHECKING([whether to build static plugins or not])
157 [--enable-static-plugins],
158 [build static plugins @<:@default=no@:>@]),
160 [$enableval], [no], [], [yes], [],
161 [AC_MSG_ERROR([bad value "$enableval" for --enable-static-plugins])])],
162 [enable_static_plugins=no])
163 AC_MSG_RESULT([$enable_static_plugins])
164 if test "x$enable_static_plugins" = xyes; then
165 AC_DEFINE(GST_PLUGIN_BUILD_STATIC, 1,
166 [Define if static plugins should be built])
167 GST_PLUGIN_LIBTOOLFLAGS=""
169 GST_PLUGIN_LIBTOOLFLAGS="--tag=disable-static"
171 AC_SUBST(GST_PLUGIN_LIBTOOLFLAGS)
172 AM_CONDITIONAL(GST_PLUGIN_BUILD_STATIC, test "x$enable_static_plugins" = "xyes")
174 dnl define an ERROR_CFLAGS Makefile variable
175 AG_GST_SET_ERROR_CFLAGS($FATAL_WARNINGS, [
176 -Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wundef
177 -Wwrite-strings -Wformat-nonliteral -Wformat-security -Wold-style-definition
178 -Winit-self -Wmissing-include-dirs -Waddress
179 -Waggregate-return -Wno-multichar -Wnested-externs ])
181 dnl define correct level for debugging messages
182 AG_GST_SET_LEVEL_DEFAULT($GST_GIT)
184 dnl *** finalize CFLAGS, LDFLAGS, LIBS ***
187 dnl GST_OPTION_CFLAGS: common flags for profiling, debugging, errors, ...
188 dnl GST_*: flags shared by built objects to link against GStreamer
189 dnl GST_ALL_LDFLAGS: linker flags shared by all
190 dnl GST_LIB_LDFLAGS: additional linker flags for all libaries
191 dnl GST_LT_LDFLAGS: library versioning of our libraries
192 dnl GST_PLUGIN_LDFLAGS: flags to be used for all plugins
194 dnl GST_OPTION_CFLAGS
195 if test "x$USE_DEBUG" = xyes; then
198 AC_SUBST(PROFILE_CFLAGS)
200 if test "x$GST_GIT" = "xyes"; then
201 DEPRECATED_CFLAGS="-DGST_DISABLE_DEPRECATED"
205 AC_SUBST(DEPRECATED_CFLAGS)
207 dnl every flag in GST_OPTION_CFLAGS can be overridden at make time
208 GST_OPTION_CFLAGS="\$(WARNING_CFLAGS) \$(ERROR_CFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)"
210 AC_SUBST(GST_OPTION_CFLAGS)
212 dnl FIXME: do we want to rename to GST_ALL_* ?
213 dnl prefer internal headers to already installed ones
214 dnl also add builddir include for enumtypes and marshal
215 dnl add GST_OPTION_CFLAGS, but overridable
216 GST_CFLAGS="$GST_CFLAGS"
217 GST_CFLAGS="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CFLAGS)"
221 GST_ALL_LDFLAGS="-no-undefined"
222 if test "x${enable_Bsymbolic}" = "xyes"; then
223 GST_ALL_LDFLAGS="$GST_ALL_LDFLAGS -Wl,-Bsymbolic-functions"
225 AC_SUBST(GST_ALL_LDFLAGS)
227 dnl this really should only contain flags, not libs - they get added before
228 dnl whatevertarget_LIBS and -L flags here affect the rest of the linking
229 GST_PLUGIN_LDFLAGS="-module -avoid-version -export-symbols-regex '^[_]*gst_plugin_.*' $GST_ALL_LDFLAGS"
230 AC_SUBST(GST_PLUGIN_LDFLAGS)
232 dnl Add MacOSX specific flags
236 DARWIN_LDFLAGS="-Wl,-read_only_relocs,suppress"
242 AC_SUBST(DARWIN_LDFLAGS)
244 dnl *** Check for bz2
247 AC_MSG_CHECKING([for BZ2_bzlibVersion in -lbz2])
248 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <bzlib.h>]], [[const char *version = BZ2_bzlibVersion ();]])],[HAVE_BZ2=yes],[HAVE_BZ2=no])
249 AC_MSG_RESULT($HAVE_BZ2)
251 AM_CONDITIONAL(HAVE_BZ2, test "x$HAVE_BZ2" = "xyes")
252 if test "x$HAVE_BZ2" = "xno"; then
253 AC_WARN([libbz2 not found, matroska demuxer will not be able to read bz2 tracks])
256 dnl *** Check for lzma
259 AC_MSG_CHECKING([for lzma_version_string in -llzma])
260 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <lzma.h>]], [[const char *version = lzma_version_string ();]])],[HAVE_LZMA=yes],[HAVE_LZMA=no])
261 AC_MSG_RESULT($HAVE_LZMA)
263 AM_CONDITIONAL(HAVE_LZMA, test "x$HAVE_LZMA" = "xyes")
264 if test "x$HAVE_LZMA" = "xno"; then
265 AC_WARN([lzma not found, tiff reader will not be able to read lzma files])
269 [AC_HELP_STRING([--enable-gpl], [build a GPL licensed gst-libav])])
270 AM_CONDITIONAL(GST_LIBAV_ENABLE_GPL, test "x$enable_gpl" = "xyes")
271 if test "x$enable_gpl" = "xyes"; then
272 AC_DEFINE([GST_LIBAV_ENABLE_GPL], [], [Defined if building a GPL-licensed version of gst-libav])
275 dnl *** configure external libs ***
277 HAVE_LIBAV_UNINSTALLED=1
279 AC_ARG_WITH(system-libav,
280 [AC_HELP_STRING([--with-system-libav], [use system Libav libraries])])
282 if test "x$with_system_libav" = "xyes"; then
283 PKG_CHECK_MODULES(LIBAV, libavfilter libavformat libavcodec libavutil)
284 PKG_CHECK_MODULES(SWSCALE, libswscale libavutil)
285 saved_CPPFLAGS="$CPPFLAGS"
286 CPPFLAGS="$CPPFLAGS $LIBAV_CFLAGS"
287 AC_CHECK_HEADERS([avi.h])
288 CPPFLAGS="$saved_CPPFLAGS"
289 AC_DEFINE([LIBAV_SOURCE], ["system install"], [Describes where the Libav libraries come from.])
290 HAVE_LIBAV_UNINSTALLED=0
291 AC_MSG_NOTICE([Using system-installed libav code])
292 AC_MSG_CHECKING([whether libav is provided by FFmpeg])
293 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
294 #include <libavcodec/avcodec.h>
296 #if LIBAVCODEC_VERSION_MICRO >= 100
297 /* FFmpeg uses 100+ as its micro version */
299 #error libav provider should be FFmpeg
301 ]])], [is_ffmpeg=yes], [is_ffmpeg=no])
302 AC_MSG_RESULT([$is_ffmpeg])
303 if test "$is_ffmpeg" = no; then
304 AC_MSG_ERROR([Uncompatible libavcodec found])
307 AC_MSG_NOTICE([Using local Libav snapshot])
309 dnl libgstlibav.la: include dirs
310 LIBAV_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav \
311 -I \$(top_builddir)/gst-libs/ext/libav \
312 -Wno-deprecated-declarations"
314 LIBAV_DEPS="\$(top_builddir)/gst-libs/ext/libav/libavformat/libavformat.a \
315 \$(top_builddir)/gst-libs/ext/libav/libavcodec/libavcodec.a \
316 \$(top_builddir)/gst-libs/ext/libav/libavfilter/libavfilter.a \
317 \$(top_builddir)/gst-libs/ext/libav/libswresample/libswresample.a \
318 \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
319 if test "x$enable_static_plugins" = xyes; then
320 dnl with static linking we can't use the .a archive directly as they would
321 dnl be included in the final libgstlibav.a as a file and won't be usable.
322 dnl libav*.a must be copied to the final destination too
323 LIBAV_LIBS="-lavformat -lavcodec -lswresample -lavutil -lavfilter"
325 dnl libgstlibav.la: libs to statically link to
326 LIBAV_LIBS="$LIBAV_DEPS"
330 SWSCALE_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav \
331 -I \$(top_builddir)/gst-libs/ext/libav \
332 -Wno-deprecated-declarations"
334 SWSCALE_DEPS="\$(top_builddir)/gst-libs/ext/libav/libswscale/libswscale.a \
335 \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
336 if test "x$enable_static_plugins" = xyes; then
337 dnl with static linking we can't use the .a archive directly as they would
338 dnl be included in the final libgstswscale.a as a file and won't be usable.
339 dnl libav*.a must be copied to the final destination too
340 SWSCALE_LIBS="-lswscale -lavutil"
342 dnl libgstswscale.la: libs to statically link to
343 SWSCALE_LIBS="$SWSCALE_DEPS"
346 LIBAV_SUBDIRS=gst-libs
347 AC_DEFINE(HAVE_AVI_H)
348 AC_DEFINE([LIBAV_SOURCE], ["local snapshot"], [Describes where the Libav libraries come from.])
350 AC_ARG_WITH(libav-extra-configure,
351 AC_HELP_STRING([--with-libav-extra-configure="xxx"],
352 [extra configure options for internal libav ./configure script]),,
356 emblibav_configure_args="--prefix=$prefix"
358 # Enable pic and static so that we get .a files, but with PIC code.
359 emblibav_configure_args="$emblibav_configure_args \
360 --enable-static --enable-pic \
361 --disable-avdevice --disable-postproc \
362 --disable-programs --disable-ffserver --disable-ffplay --disable-ffprobe --disable-ffmpeg \
363 --disable-encoder=flac --disable-protocols --disable-devices \
364 --disable-network --disable-hwaccels --disable-dxva2 --disable-vdpau \
365 --disable-filters --disable-doc --disable-vda --disable-d3d11va --disable-dxva2 \
366 --disable-iconv --enable-optimizations"
368 if test "x$enable_gpl" == "xyes"; then
369 emblibav_configure_args="$emblibav_configure_args --enable-gpl"
372 # if we are cross-compiling, tell libav so
381 target_os=`echo $host_os | sed 's/-gnu//'`
385 if test "x$cross_compiling" = xyes; then
386 emblibav_configure_args="$emblibav_configure_args --enable-cross-compile \
387 --target-os=$target_os --arch=$host_cpu --cross-prefix=$host_alias-"
392 emblibav_configure_args="$emblibav_configure_args --enable-memalign-hack"
393 WIN32_LIBS="-lws2_32"
400 if test x"$AR" != x; then
401 emblibav_configure_args="$emblibav_configure_args --ar=\\\"\\\$AR\\\""
404 if test x"$AS" != x; then
405 emblibav_configure_args="$emblibav_configure_args --as=\\\"\\\$CC\\\""
408 if test x"$CC" != x; then
409 emblibav_configure_args="$emblibav_configure_args --cc=\\\"\\\$CC\\\""
412 if test x"$LD" != x; then
413 emblibav_configure_args="$emblibav_configure_args --ld=\\\"\\\$CC\\\""
416 if test x"$NM" != x; then
417 emblibav_configure_args="$emblibav_configure_args --nm=\\\"\\\$NM\\\""
420 dnl checks for extra enable/disable flags
421 LIBAV_OPTS=`cd $srcdir/gst-libs/ext/libav && ./configure --help`
422 # Let's check if we can disable the building of the libav binary
423 can_disable=`echo "$LIBAV_OPTS" | grep 'disable-ffmpeg'`
424 if test "$can_disable" != ""; then
425 emblibav_configure_args="$emblibav_configure_args --disable-ffmpeg"
427 dnl check if libswscale needs enabling explicitly
428 can_enable=`echo "$LIBAV_OPTS" | grep 'enable-swscale'`
429 if test "$can_enable" != ""; then
430 emblibav_configure_args="$emblibav_configure_args --enable-swscale"
433 # append extra configure options to emblibav_configure_args if needed
434 if test "x$with_libav_extra_configure" != "xno"; then
435 emblibav_configure_args="$emblibav_configure_args $with_libav_extra_configure"
438 AC_SUBST(LIBAV_CO_DIR)
440 AC_SUBST(LIBAV_REVISION)
441 AC_SUBST(LIBAV_EXTERNALS_REVISION)
442 AC_CONFIG_COMMANDS([configure-embedded-libav],
443 [echo "Configuring included Libav instance with args $emblibav_configure_args"
445 dnl Don't put path on the configure call when not needed, as FFmpeg's configure relies on it
446 dnl to detect out-of-tree builds
447 if test -z "$srcdir" -o "$srcdir" = .; then
450 confcmd="$ac_abs_top_srcdir"/gst-libs/ext/libav/configure
453 AS_MKDIR_P(["$ac_top_build_prefix"gst-libs/ext/libav])
454 cd "$ac_top_build_prefix"gst-libs/ext/libav &&
455 eval "$confcmd $emblibav_configure_args" ||
456 AC_MSG_ERROR([Failed to configure embedded Libav tree])
459 [emblibav_configure_args="$emblibav_configure_args"])
460 AC_MSG_NOTICE([Using included Libav code])
463 AC_SUBST(LIBAV_CFLAGS)
466 AC_SUBST(LIBAV_SUBDIRS)
467 AC_SUBST(SWSCALE_CFLAGS)
468 AC_SUBST(SWSCALE_DEPS)
469 AC_SUBST(SWSCALE_LIBS)
472 if test x$HAVE_LIBAV_UNINSTALLED = x1; then
473 AC_DEFINE(HAVE_LIBAV_UNINSTALLED, [], [Defined if building against uninstalled Libav source])
475 AM_CONDITIONAL(HAVE_LIBAV_UNINSTALLED, test x$HAVE_LIBAV_UNINSTALLED = x1)
484 ext/libswscale/Makefile
486 gst-libs/ext/Makefile
488 docs/plugins/Makefile
489 docs/version.entities
494 pkgconfig/gstreamer-plugins-libav-uninstalled.pc