configure.ac 14.2 KB
Newer Older
1
AC_PREREQ(2.60)
2

3
dnl initialize autoconf
4
5
dnl when going to/from release please set the nano (fourth number) right !
dnl releases only do Wall, cvs and prerelease does Werror too
6
AC_INIT(GStreamer Libav, 0.11.89.1,
7
    http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer,
8
    gst-libav)
9

10
11
AG_GST_INIT

12
dnl initialize automake
13
AM_INIT_AUTOMAKE([-Wno-portability 1.10])
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
14

15
16
dnl define PACKAGE_VERSION_* variables
AS_VERSION
17

18
dnl check if this is a release version
19
AS_NANO(GST_GIT="no", GST_GIT="yes")
20
21
22
23
24
25
26
27
28

dnl can autoconf find the source ?
AC_CONFIG_SRCDIR([ext/ffmpeg/gstffmpeg.c])

dnl define the output header for config
AM_CONFIG_HEADER([config.h])

dnl AM_MAINTAINER_MODE only provides the option to configure to enable it
AM_MAINTAINER_MODE
Thomas Vander Stichele's avatar
Thomas Vander Stichele committed
29

30
31
dnl sets host_* variables
AC_CANONICAL_HOST
32

33
34
35
36
37
dnl use pretty build output with automake >= 1.11
m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])],
  [AM_DEFAULT_VERBOSITY=1
   AC_SUBST(AM_DEFAULT_VERBOSITY)])

38
dnl our libraries and install dirs use major.minor as a version
Sebastian Dröge's avatar
Sebastian Dröge committed
39
GST_API_VERSION=$PACKAGE_VERSION_MAJOR.$PACKAGE_VERSION_MINOR
40
dnl we override it here if we need to for the release candidate of new series
Sebastian Dröge's avatar
Sebastian Dröge committed
41
42
GST_API_VERSION=1.0
AC_SUBST(GST_API_VERSION)
43

44
45
AG_GST_LIBTOOL_PREPARE

46
AC_LIBTOOL_WIN32_DLL
47
48
49
AM_PROG_LIBTOOL

dnl *** required versions of GStreamer stuff ***
Wim Taymans's avatar
Wim Taymans committed
50
GST_REQ=0.11.3
51
ORC_REQ=0.4.6
52
53
54
55
56

dnl *** autotools stuff ****

dnl allow for different autotools
AS_AUTOTOOLS_ALTERNATE
57
58

dnl Add parameters for aclocal
59
60
61
62
AC_SUBST(ACLOCAL_AMFLAGS, "-I m4 -I common/m4")

dnl *** check for arguments to configure ***

63
64
AG_GST_ARG_DISABLE_FATAL_WARNINGS

65
AG_GST_ARG_WITH_PKG_CONFIG_PATH
66
67
68
AG_GST_ARG_WITH_PACKAGE_NAME
AG_GST_ARG_WITH_PACKAGE_ORIGIN
AG_GST_ARG_VALGRIND
69
70
71
72
73
74
75

dnl *** checks for platform ***

dnl * hardware/architecture *

dnl common/m4/gst-arch.m4
dnl check CPU type
76
AG_GST_ARCH
77
78

dnl *** checks for programs ***
79

80
dnl find a compiler
81
AC_PROG_CC
82
AC_PROG_CC_STDC
83

84
85
86
dnl check if the compiler supports '-c' and '-o' options
AM_PROG_CC_C_O

87
88
89
AC_PATH_PROG(VALGRIND_PATH, valgrind, no)
AM_CONDITIONAL(HAVE_VALGRIND, test ! "x$VALGRIND_PATH" = "xno")

90
dnl check for documentation tools
91
AG_GST_DOCBOOK_CHECK
92
93
GTK_DOC_CHECK([1.3])
AS_PATH_PYTHON([2.1])
94
AG_GST_PLUGIN_DOCS([1.3],[2.1])
95

96
dnl *** checks for libraries ***
97

98
99
100
101
dnl check for libm, for sin()
AC_CHECK_LIBM
AC_SUBST(LIBM)

102
dnl *** checks for header files ***
103

104
105
dnl check if we have ANSI C header files
AC_HEADER_STDC
106

107
dnl *** checks for types/defines ***
108

109
110
111
112
113
114
115
116
117
dnl *** checks for structures ***

dnl *** checks for compiler characteristics ***

dnl *** checks for library functions ***

dnl *** checks for dependancy libraries ***

dnl checks for gstreamer
118
dnl uninstalled is selected preferentially -- see pkg-config(1)
Sebastian Dröge's avatar
Sebastian Dröge committed
119
120
121
122
AG_GST_CHECK_GST($GST_API_VERSION, [$GST_REQ])
AG_GST_CHECK_GST_BASE($GST_API_VERSION, [$GST_REQ])
AG_GST_CHECK_GST_PLUGINS_BASE($GST_API_VERSION, [$GST_REQ])
AG_GST_CHECK_GST_CHECK($GST_API_VERSION, [$GST_REQ], no)
123
AM_CONDITIONAL(HAVE_GST_CHECK, test "x$HAVE_GST_CHECK" = "xyes")
124

125
126
127
AC_MSG_NOTICE(Using GStreamer Core Plugins in $GST_PLUGINS_DIR)
AC_MSG_NOTICE(Using GStreamer Base Plugins in $GSTPB_PLUGINS_DIR)

128
129
dnl orc is required for cpu detection for libpostproc
ORC_CHECK([$ORC_REQ])
130

131
132
133
dnl *** set variables based on configure arguments ***

dnl set location of plugin directory
134
AG_GST_SET_PLUGINDIR
135
136

dnl define an ERROR_CFLAGS Makefile variable
137
AG_GST_SET_ERROR_CFLAGS($FATAL_WARNINGS, [
138
139
    -Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wundef
    -Wwrite-strings -Wformat-nonliteral -Wformat-security -Wold-style-definition
Wim Taymans's avatar
Wim Taymans committed
140
    -Winit-self -Wmissing-include-dirs -Waddress
141
    -Waggregate-return -Wno-multichar -Wnested-externs ])
142
143

dnl define correct level for debugging messages
144
AG_GST_SET_LEVEL_DEFAULT($GST_GIT)
145
146
147
148
149
150
151
152
153
154
155
156
157
158

dnl *** finalize CFLAGS, LDFLAGS, LIBS ***

dnl Overview:
dnl GST_OPTION_CFLAGS:  common flags for profiling, debugging, errors, ...
dnl GST_*:              flags shared by built objects to link against GStreamer
dnl GST_ALL_LDFLAGS:    linker flags shared by all
dnl GST_LIB_LDFLAGS:    additional linker flags for all libaries
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"
159
fi
160
AC_SUBST(PROFILE_CFLAGS)
161

162
if test "x$GST_GIT" = "xyes"; then
163
164
165
166
  DEPRECATED_CFLAGS="-DGST_DISABLE_DEPRECATED"
else
  DEPRECATED_CFLAGS=""
fi
167
AC_SUBST(DEPRECATED_CFLAGS)
168

169
dnl every flag in GST_OPTION_CFLAGS can be overridden at make time
170
GST_OPTION_CFLAGS="\$(WARNING_CFLAGS) \$(ERROR_CFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)"
171

172
AC_SUBST(GST_OPTION_CFLAGS)
173

174
175
176
177
dnl FIXME: do we want to rename to GST_ALL_* ?
dnl prefer internal headers to already installed ones
dnl also add builddir include for enumtypes and marshal
dnl add GST_OPTION_CFLAGS, but overridable
178
GST_CFLAGS="$GST_CFLAGS -DGST_USE_UNSTABLE_API"
179
GST_CFLAGS="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CFLAGS)"
180
181
AC_SUBST(GST_CFLAGS)
AC_SUBST(GST_LIBS)
182

183
184
185
GST_ALL_LDFLAGS="-no-undefined"
AC_SUBST(GST_ALL_LDFLAGS)

186
187
dnl this really should only contain flags, not libs - they get added before
dnl whatevertarget_LIBS and -L flags here affect the rest of the linking
188
GST_PLUGIN_LDFLAGS="-module -avoid-version -export-symbols-regex '^[_]*gst_plugin_desc.*' $GST_ALL_LDFLAGS"
189
AC_SUBST(GST_PLUGIN_LDFLAGS)
190

191
192
193
194
195
196
197
198
199
200
201
202
dnl Add MacOSX specific flags
AC_CANONICAL_HOST
case $host_os in
     darwin*)
	DARWIN_LDFLAGS="-Wl,-read_only_relocs,suppress"
	;;
     *)
        DARWIN_LDFLAGS=""
	;;
esac
AC_SUBST(DARWIN_LDFLAGS)

203
dnl *** Check for bz2
204
205
206
207
208
AG_GST_CHECK_LIBHEADER(BZ2, bz2, BZ2_bzlibVersion, , bzlib.h, have_bz2=yes, have_bz2=no)
AM_CONDITIONAL(HAVE_BZ2, test "x$have_bz2" = "xyes")
if test "x$have_bz2" = "xno"; then
  AC_WARN([libbz2 not found, matroska demuxer will not be able to read bz2 tracks])
fi
209

210
AC_ARG_ENABLE(lgpl,
211
212
              [AC_HELP_STRING([--enable-lgpl], [build a LGPL licensed gst-libav])])
AM_CONDITIONAL(GST_LIBAV_ENABLE_LGPL, test "x$enable_lgpl" = "xyes")
213
if test "x$enable_lgpl" = "xyes"; then
214
  AC_DEFINE([GST_LIBAV_ENABLE_LGPL], [], [Defined if building a LGPL-only version of gst-libav])
215
216
fi

217
dnl *** configure external libs ***
218

219
HAVE_LIBAV_UNINSTALLED=1
220

221
222
AC_ARG_WITH(system-libav,
            [AC_HELP_STRING([--with-system-libav], [use system Libav libraries])])
223

224
225
if test "x$with_system_libav" = "xyes"; then
  PKG_CHECK_MODULES(LIBAV, libavformat libavcodec libavutil) 
226
227
228
  if test "x$enable_lgpl" != "xyes"; then
    PKG_CHECK_MODULES(POSTPROC, libpostproc libavcodec libavutil)
  fi
LRN's avatar
LRN committed
229
  PKG_CHECK_MODULES(SWSCALE, libswscale libavutil)
230
  saved_CPPFLAGS="$CPPFLAGS"
231
  CPPFLAGS="$CPPFLAGS $LIBAV_CFLAGS"
232
233
  AC_CHECK_HEADERS([avi.h])
  CPPFLAGS="$saved_CPPFLAGS"
234
235
  AC_DEFINE([LIBAV_SOURCE], ["system install"], [Describes where the Libav libraries come from.])
  HAVE_LIBAV_UNINSTALLED=0
236
  AC_MSG_NOTICE([Using system-installed FFMpeg code])
237
238
  AC_MSG_WARN([
  ======================================================================
239
   WARNING: you have chosen to build gst-libav against a random
Edward Hervey's avatar
Edward Hervey committed
240
   external version of Libav instead of building it against the tested
241
   internal Libav snapshot that is included with gst-libav.
242
243
244
245
   
   This is a very bad idea.  So bad in fact that words cannot express
   just how bad it is.  Suffice to say that it is BAD.
   
246
   The GStreamer developers cannot and will not support a gst-libav
247
   built this way.  Any bug reports that indicate there is an external
Edward Hervey's avatar
Edward Hervey committed
248
   version of Libav involved will be closed immediately without further
249
250
   investigation.
   
Edward Hervey's avatar
Edward Hervey committed
251
   The reason such a setup can't be supported is that the Libav API
252
   and ABI is in constant flux, yet there aren't any official releases
Edward Hervey's avatar
Edward Hervey committed
253
   of the Libav library to develop against.  This makes it impossible
254
255
   to guarantee that gst-libav will work reliably, or even compile,
   with a randomly picked version Libav.  Even if gst-libav compiles
256
   and superficially appears to work fine against your chosen external
Edward Hervey's avatar
Edward Hervey committed
257
   Libav version, that might just not be the case on other systems, or
258
259
260
   even the same system at a later time, or when using decoders,
   encoders, demuxers or muxers that have not been tested.
   
Edward Hervey's avatar
Edward Hervey committed
261
   Please do not create or distribute binary packages of gst-Libav
262
   that link against an external libav. Thank you!
263
264
265
266
267
  ======================================================================
  ])

  dnl No, this is not too extreme, we want people to see and read the above
  sleep 15
268
else
269

Edward Hervey's avatar
Edward Hervey committed
270
  AC_MSG_NOTICE([Using local Libav snapshot])
271
  
272
273
  dnl libgstlibav.la: include dirs
  LIBAV_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav/libavutil \
Edward Hervey's avatar
Edward Hervey committed
274
275
276
277
  		 -I \$(top_srcdir)/gst-libs/ext/libav/libavformat \
                 -I \$(top_srcdir)/gst-libs/ext/libav/libavcodec \
		 -I \$(top_srcdir)/gst-libs/ext/libav \
		 -I \$(top_builddir)/gst-libs/ext/libav \
278
                 -Wno-deprecated-declarations"
279

280
281
  dnl libgstlibav.la: libs to statically link to        
  LIBAV_LIBS="\$(top_builddir)/gst-libs/ext/libav/libavformat/libavformat.a \
Edward Hervey's avatar
Edward Hervey committed
282
283
               \$(top_builddir)/gst-libs/ext/libav/libavcodec/libavcodec.a \
               \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
284
  dnl
Edward Hervey's avatar
Edward Hervey committed
285
286
287
288
289
  POSTPROC_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav/libpostproc	\
                   -I \$(top_srcdir)/gst-libs/ext/libav/libavutil 	\
                   -I \$(top_srcdir)/gst-libs/ext/libav/libavcodec 	\
                   -I \$(top_srcdir)/gst-libs/ext/libav 	\
		   -I \$(top_builddir)/gst-libs/ext/libav \
290
                   -Wno-deprecated-declarations"
291
292

  dnl libgstpostproc.la: libs to statically link to
Edward Hervey's avatar
Edward Hervey committed
293
294
  POSTPROC_LIBS="\$(top_builddir)/gst-libs/ext/libav/libpostproc/libpostproc.a \
  		 \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
295
  				 
296
  dnl
Edward Hervey's avatar
Edward Hervey committed
297
298
299
300
  SWSCALE_CFLAGS="-I \$(top_srcdir)/gst-libs/ext/libav/libswscale	\
                  -I \$(top_srcdir)/gst-libs/ext/libav/libavutil 	\
                  -I \$(top_srcdir)/gst-libs/ext/libav 	\
		   -I \$(top_builddir)/gst-libs/ext/libav \
301
302
303
                  -Wno-deprecated-declarations"

  dnl libgstswscale.la: libs to statically link to
Edward Hervey's avatar
Edward Hervey committed
304
305
  SWSCALE_LIBS="\$(top_builddir)/gst-libs/ext/libav/libswscale/libswscale.a \
                \$(top_builddir)/gst-libs/ext/libav/libavutil/libavutil.a"
306

307
  LIBAV_SUBDIRS=gst-libs
308
  AC_DEFINE(HAVE_AVI_H)
309
  AC_DEFINE([LIBAV_SOURCE], ["local snapshot"], [Describes where the Libav libraries come from.])
310

311
312
313
314
  AC_ARG_WITH(libav-extra-configure, 
      AC_HELP_STRING([--with-libav-extra-configure="xxx"],
      [extra configure options for internal libav ./configure script]),,
      with_libav=no)
315

316
  # basic arguments
317
  emblibav_configure_args="--prefix=$prefix"
318

319
  # Enable pic and static so that we get .a files, but with PIC code.
320
  emblibav_configure_args="$emblibav_configure_args --disable-avserver --disable-avplay\
321
        --disable-ffmpeg --disable-avprobe --enable-static --enable-pic \
322
	--disable-encoder=flac --disable-decoder=cavs --disable-protocols --disable-devices\
323
324
	--disable-network --disable-hwaccels --disable-filters --disable-doc\
	--enable-optimizations"
325

326
  if test "x$enable_lgpl" != "xyes"; then
327
    emblibav_configure_args="$emblibav_configure_args --enable-postproc \
328
329
330
        --enable-gpl"
  fi

331
  # if we are cross-compiling, tell libav so
332
  target_os=`echo $host_os | sed 's/-gnu//'`
333
  if test "x$cross_compiling" = xyes; then
334
    emblibav_configure_args="$emblibav_configure_args --enable-cross-compile \
335
        --target-os=$target_os --arch=$host_cpu --cross-prefix=$host_alias-"
336
337
  fi

338
  case $host_os in
339
    # Unfortunately, in Mac OS 10.5 the current rev of libav builds
340
341
342
343
    # some non-PIC code into the .a file. See
    # http://trac.macosforge.org/projects/macports/ticket/13725 for more
    # info.
    darwin*) 
344
      emblibav_configure_args="$emblibav_configure_args --disable-mmx --disable-altivec"
345
      ;;
346
    mingw32*)
347
      emblibav_configure_args="$emblibav_configure_args --enable-memalign-hack"
348
349
      WIN32_LIBS="-lws2_32"
      ;;
350
    *)
351
      WIN32_LIBS=
352
353
      ;;
  esac
354

355
  dnl checks for extra enable/disable flags
356
357
358
  LIBAV_OPTS="(cd $srcdir/gst-libs/ext/libav && ./configure --help)"
  # Let's check if we can disable the building of the libav binary
  can_disable=`echo "$LIBAV_OPTS" | grep 'disable-ffmpeg'`
359
  if test "$can_disable" != ""; then
360
    emblibav_configure_args="$emblibav_configure_args --disable-ffmpeg"
361
362
  fi
  dnl check if libswscale needs enabling explicitly
363
  can_enable=`echo "$LIBAV_OPTS" | grep 'enable-swscale'`
364
  if test "$can_enable" != ""; then
365
    emblibav_configure_args="$emblibav_configure_args --enable-swscale"
366
367
  fi

368
369
370
  # append extra configure options to emblibav_configure_args if needed
  if test "x$with_libav_extra_configure" != "xno"; then
    emblibav_configure_args="$emblibav_configure_args $with_libav_extra_configure"
371
372
  fi

373
374
375
376
377
378
  AC_SUBST(LIBAV_CO_DIR)
  AC_SUBST(LIBAV_SVN)
  AC_SUBST(LIBAV_REVISION)
  AC_SUBST(LIBAV_EXTERNALS_REVISION)
  AC_CONFIG_COMMANDS([configure-embedded-libav],
    [echo "Configuring included Libav instance with args $emblibav_configure_args"
379
380
381
382
383
384
     origdir=`pwd`
     dnl Don't put path on the configure call when not needed, as FFmpeg's configure relies on it
     dnl to detect out-of-tree builds
     if test -z "$srcdir" -o "$srcdir" = .; then
       confcmd=./configure
     else
385
       confcmd="$ac_abs_top_srcdir"/gst-libs/ext/libav/configure
386
387
     fi

Edward Hervey's avatar
Edward Hervey committed
388
389
     AS_MKDIR_P(["$ac_top_build_prefix"gst-libs/ext/libav])
     cd "$ac_top_build_prefix"gst-libs/ext/libav &&
390
         eval "$confcmd $emblibav_configure_args" ||
Edward Hervey's avatar
Edward Hervey committed
391
         AC_MSG_ERROR([Failed to configure embedded Libav tree])
392
393
     cd "$origdir"
    ],
394
    [emblibav_configure_args="$emblibav_configure_args"])
Edward Hervey's avatar
Edward Hervey committed
395
  AC_MSG_NOTICE([Using included Libav code])
396
fi
397

398
399
400
AC_SUBST(LIBAV_CFLAGS)
AC_SUBST(LIBAV_LIBS)
AC_SUBST(LIBAV_SUBDIRS)
401
402
AC_SUBST(POSTPROC_CFLAGS)
AC_SUBST(POSTPROC_LIBS)
403
404
AC_SUBST(SWSCALE_CFLAGS)
AC_SUBST(SWSCALE_LIBS)
405
AC_SUBST(WIN32_LIBS)
406
 
407
408
if test x$HAVE_LIBAV_UNINSTALLED = x1; then
  AC_DEFINE(HAVE_LIBAV_UNINSTALLED, [], [Defined if building against uninstalled Libav source])
409
fi
410
AM_CONDITIONAL(HAVE_LIBAV_UNINSTALLED, test x$HAVE_LIBAV_UNINSTALLED = x1)
411

412
413
AC_CONFIG_FILES(
Makefile
Jan Schmidt's avatar
Jan Schmidt committed
414
415
common/Makefile
common/m4/Makefile
416
gst-libav.spec
417
418
ext/Makefile
ext/ffmpeg/Makefile
419
ext/libpostproc/Makefile
420
ext/libswscale/Makefile
421
422
gst-libs/Makefile
gst-libs/ext/Makefile
423
docs/Makefile
424
docs/version.entities
425
426
tests/Makefile
tests/check/Makefile
427
tests/files/Makefile
428
429
)
AC_OUTPUT
430

431
ORC_OUTPUT