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#!/bin/sh
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#
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# FFmpeg configure script
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#
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# Copyright (c) 2000-2002 Fabrice Bellard
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# Copyright (c) 2005-2008 Diego Biurrun
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# Copyright (c) 2005-2008 Mans Rullgard
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#
9

    
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# Prevent locale nonsense from breaking basic text processing.
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LC_ALL=C
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export LC_ALL
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# make sure we are running under a compatible shell
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# try to make this part work with most shells
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try_exec(){
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    echo "Trying shell $1"
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    type "$1" > /dev/null 2>&1 && exec "$@"
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}
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unset foo
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(: ${foo%%bar}) 2> /dev/null
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E1="$?"
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(: ${foo?}) 2> /dev/null
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E2="$?"
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if test "$E1" != 0 || test "$E2" = 0; then
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    echo "Broken shell detected.  Trying alternatives."
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    export FF_CONF_EXEC
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    if test "0$FF_CONF_EXEC" -lt 1; then
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        FF_CONF_EXEC=1
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        try_exec bash "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 2; then
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        FF_CONF_EXEC=2
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        try_exec ksh "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 3; then
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        FF_CONF_EXEC=3
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        try_exec /usr/xpg4/bin/sh "$0" "$@"
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    fi
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    echo "No compatible shell script interpreter found."
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    echo "This configure script requires a POSIX-compatible shell"
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    echo "such as bash or ksh."
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    echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
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    echo "Instead, install a working POSIX-compatible shell."
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    echo "Disabling this configure test will create a broken FFmpeg."
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    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
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        echo "This bash version ($BASH_VERSION) is broken on your platform."
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        echo "Upgrade to a later version if available."
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    fi
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    exit 1
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fi
56

    
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show_help(){
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cat <<EOF
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Usage: configure [options]
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Options: [defaults in brackets after descriptions]
61

    
62
Standard options:
63
  --help                   print this message
64
  --logfile=FILE           log tests and output to FILE [config.err]
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  --disable-logging        do not log configure debug information
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  --prefix=PREFIX          install in PREFIX [$prefix]
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  --bindir=DIR             install binaries in DIR [PREFIX/bin]
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  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
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  --libdir=DIR             install libs in DIR [PREFIX/lib]
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  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
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  --incdir=DIR             install includes in DIR [PREFIX/include]
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  --mandir=DIR             install man page in DIR [PREFIX/share/man]
73

    
74
Configuration options:
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  --disable-static         do not build static libraries [no]
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  --enable-shared          build shared libraries [no]
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  --enable-gpl             allow use of GPL code, the resulting libs
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                           and binaries will be under GPL [no]
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  --enable-version3        upgrade (L)GPL to version 3 [no]
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  --enable-nonfree         allow use of nonfree code, the resulting libs
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                           and binaries will be unredistributable [no]
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  --disable-doc            do not build documentation
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  --disable-ffmpeg         disable ffmpeg build
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  --disable-ffplay         disable ffplay build
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  --disable-ffserver       disable ffserver build
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  --disable-avdevice       disable libavdevice build
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  --disable-avcodec        disable libavcodec build
88
  --disable-avformat       disable libavformat build
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  --disable-swscale        disable libswscale build
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  --enable-postproc        enable GPLed postprocessing support [no]
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  --enable-avfilter        video filter support [no]
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  --enable-avfilter-lavf   video filters dependent on avformat [no]
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  --enable-beosthreads     use BeOS threads [no]
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  --enable-os2threads      use OS/2 threads [no]
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  --enable-pthreads        use pthreads [no]
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  --enable-w32threads      use Win32 threads [no]
97
  --enable-x11grab         enable X11 grabbing [no]
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  --disable-network        disable network support [no]
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  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
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  --enable-gray            enable full grayscale support (slower color)
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  --disable-swscale-alpha  disable alpha channel support in swscale
102
  --disable-fastdiv        disable table-based division
103
  --enable-small           optimize for size instead of speed
104
  --disable-aandct         disable AAN DCT code
105
  --disable-dct            disable DCT code
106
  --disable-fft            disable FFT code
107
  --disable-golomb         disable Golomb code
108
  --disable-lpc            disable LPC code
109
  --disable-mdct           disable MDCT code
110
  --disable-rdft           disable RDFT code
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  --disable-vaapi          disable VAAPI code
112
  --disable-vdpau          disable VDPAU code
113
  --disable-dxva2          disable DXVA2 code
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  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
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  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
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  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
117
  --enable-beos-netserver  enable BeOS netserver
118
  --disable-encoder=NAME   disable encoder NAME
119
  --enable-encoder=NAME    enable encoder NAME
120
  --disable-encoders       disable all encoders
121
  --disable-decoder=NAME   disable decoder NAME
122
  --enable-decoder=NAME    enable decoder NAME
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  --disable-decoders       disable all decoders
124
  --disable-hwaccel=NAME   disable hwaccel NAME
125
  --enable-hwaccel=NAME    enable hwaccel NAME
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  --disable-hwaccels       disable all hwaccels
127
  --disable-muxer=NAME     disable muxer NAME
128
  --enable-muxer=NAME      enable muxer NAME
129
  --disable-muxers         disable all muxers
130
  --disable-demuxer=NAME   disable demuxer NAME
131
  --enable-demuxer=NAME    enable demuxer NAME
132
  --disable-demuxers       disable all demuxers
133
  --enable-parser=NAME     enable parser NAME
134
  --disable-parser=NAME    disable parser NAME
135
  --disable-parsers        disable all parsers
136
  --enable-bsf=NAME        enable bitstream filter NAME
137
  --disable-bsf=NAME       disable bitstream filter NAME
138
  --disable-bsfs           disable all bitstream filters
139
  --enable-protocol=NAME   enable protocol NAME
140
  --disable-protocol=NAME  disable protocol NAME
141
  --disable-protocols      disable all protocols
142
  --disable-indev=NAME     disable input device NAME
143
  --disable-outdev=NAME    disable output device NAME
144
  --disable-indevs         disable input devices
145
  --disable-outdevs        disable output devices
146
  --disable-devices        disable all devices
147
  --enable-filter=NAME     enable filter NAME
148
  --disable-filter=NAME    disable filter NAME
149
  --disable-filters        disable all filters
150
  --list-decoders          show all available decoders
151
  --list-encoders          show all available encoders
152
  --list-hwaccels          show all available hardware accelerators
153
  --list-muxers            show all available muxers
154
  --list-demuxers          show all available demuxers
155
  --list-parsers           show all available parsers
156
  --list-protocols         show all available protocols
157
  --list-bsfs              show all available bitstream filters
158
  --list-indevs            show all available input devices
159
  --list-outdevs           show all available output devices
160
  --list-filters           show all available filters
161

    
162
External library support:
163
  --enable-avisynth        enable reading of AVISynth script files [no]
164
  --enable-bzlib           enable bzlib [autodetect]
165
  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
166
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
167
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
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                           and libraw1394 [no]
169
  --enable-libdirac        enable Dirac support via libdirac [no]
170
  --enable-libfaac         enable FAAC support via libfaac [no]
171
  --enable-libfaad         enable FAAD support via libfaad [no]
172
  --enable-libfaadbin      open libfaad.so.0 at runtime [no]
173
  --enable-libgsm          enable GSM support via libgsm [no]
174
  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
175
  --enable-libnut          enable NUT (de)muxing via libnut,
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                           native (de)muxer exists [no]
177
  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
178
  --enable-libschroedinger enable Dirac support via libschroedinger [no]
179
  --enable-libspeex        enable Speex decoding via libspeex [no]
180
  --enable-libtheora       enable Theora encoding via libtheora [no]
181
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
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                           native implementation exists [no]
183
  --enable-libx264         enable H.264 encoding via x264 [no]
184
  --enable-libxvid         enable Xvid encoding via xvidcore,
185
                           native MPEG-4/Xvid encoder exists [no]
186
  --enable-mlib            enable Sun medialib [no]
187
  --enable-zlib            enable zlib [autodetect]
188

    
189
Advanced options (experts only):
190
  --source-path=PATH       path to source code [$source_path]
191
  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
192
  --enable-cross-compile   assume a cross-compiler is used
193
  --sysroot=PATH           root of cross-build tree
194
  --sysinclude=PATH        location of cross-build system headers
195
  --target-os=OS           compiler targets OS [$target_os]
196
  --target-exec=CMD        command to run executables on target
197
  --target-path=DIR        path to view of build directory on target
198
  --nm=NM                  use nm tool
199
  --as=AS                  use assembler AS [$as_default]
200
  --cc=CC                  use C compiler CC [$cc_default]
201
  --ld=LD                  use linker LD
202
  --host-cc=HOSTCC         use host C compiler HOSTCC
203
  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
204
  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
205
  --host-libs=HLIBS        use libs HLIBS when linking for host
206
  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
207
  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208
  --extra-libs=ELIBS       add ELIBS [$ELIBS]
209
  --extra-version=STRING   version string suffix []
210
  --build-suffix=SUFFIX    library name suffix []
211
  --arch=ARCH              select architecture [$arch]
212
  --cpu=CPU                select the minimum required CPU (affects
213
                           instruction selection, may crash on older CPUs)
214
  --enable-powerpc-perf    enable performance report on PPC
215
                           (requires enabling PMC)
216
  --disable-asm            disable all assembler optimizations
217
  --disable-altivec        disable AltiVec optimizations
218
  --disable-amd3dnow       disable 3DNow! optimizations
219
  --disable-amd3dnowext    disable 3DNow! extended optimizations
220
  --disable-mmx            disable MMX optimizations
221
  --disable-mmx2           disable MMX2 optimizations
222
  --disable-sse            disable SSE optimizations
223
  --disable-ssse3          disable SSSE3 optimizations
224
  --disable-armv5te        disable armv5te optimizations
225
  --disable-armv6          disable armv6 optimizations
226
  --disable-armv6t2        disable armv6t2 optimizations
227
  --disable-armvfp         disable ARM VFP optimizations
228
  --disable-iwmmxt         disable iwmmxt optimizations
229
  --disable-mmi            disable MMI optimizations
230
  --disable-neon           disable neon optimizations
231
  --disable-vis            disable VIS optimizations
232
  --disable-yasm           disable use of yasm assembler
233
  --enable-pic             build position-independent code
234

    
235
Developer options (useful when working on FFmpeg itself):
236
  --disable-debug          disable debugging symbols
237
  --enable-debug=LEVEL     set the debug level [$debuglevel]
238
  --enable-gprof           enable profiling with gprof [$gprof]
239
  --disable-optimizations  disable compiler optimizations
240
  --enable-extra-warnings  enable more compiler warnings
241
  --disable-stripping      disable stripping of executables and shared libraries
242

    
243
NOTE: Object files are built at the place where configure is launched.
244
EOF
245
  exit 0
246
}
247

    
248
log(){
249
    echo "$@" >> $logfile
250
}
251

    
252
log_file(){
253
    log BEGIN $1
254
    pr -n -t $1 >> $logfile
255
    log END $1
256
}
257

    
258
echolog(){
259
    log "$@"
260
    echo "$@"
261
}
262

    
263
die(){
264
    echolog "$@"
265
    cat <<EOF
266

    
267
If you think configure made a mistake, make sure you are using the latest
268
version from SVN.  If the latest version fails, report the problem to the
269
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
270
EOF
271
    if disabled logging; then
272
        cat <<EOF
273
Rerun configure with logging enabled (do not use --disable-logging), and
274
include the log this produces with your report.
275
EOF
276
    else
277
cat <<EOF
278
Include the log file "$logfile" produced by configure as this will help
279
solving the problem.
280
EOF
281
    fi
282
    exit 1
283
}
284

    
285
# Avoid locale weirdness, besides we really just want to translate ASCII.
286
toupper(){
287
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
288
}
289

    
290
tolower(){
291
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
292
}
293

    
294
c_escape(){
295
    echo "$*" | sed 's/["\\]/\\\0/g'
296
}
297

    
298
sh_quote(){
299
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
300
    test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
301
    echo "$v"
302
}
303

    
304
filter(){
305
    pat=$1
306
    shift
307
    for v; do
308
        eval "case $v in $pat) echo $v ;; esac"
309
    done
310
}
311

    
312
set_all(){
313
    value=$1
314
    shift
315
    for var in $*; do
316
        eval $var=$value
317
    done
318
}
319

    
320
set_weak(){
321
    value=$1
322
    shift
323
    for var; do
324
        eval : \${$var:=$value}
325
    done
326
}
327

    
328
pushvar(){
329
    for var in $*; do
330
        eval level=\${${var}_level:=0}
331
        eval ${var}_${level}="\$$var"
332
        eval ${var}_level=$(($level+1))
333
    done
334
}
335

    
336
popvar(){
337
    for var in $*; do
338
        eval level=\${${var}_level:-0}
339
        test $level = 0 && continue
340
        eval level=$(($level-1))
341
        eval $var="\${${var}_${level}}"
342
        eval ${var}_level=$level
343
        eval unset ${var}_${level}
344
    done
345
}
346

    
347
enable(){
348
    set_all yes $*
349
}
350

    
351
disable(){
352
    set_all no $*
353
}
354

    
355
enable_weak(){
356
    set_weak yes $*
357
}
358

    
359
disable_weak(){
360
    set_weak no $*
361
}
362

    
363
enable_safe(){
364
    for var; do
365
        enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
366
    done
367
}
368

    
369
disable_safe(){
370
    for var; do
371
        disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
372
    done
373
}
374

    
375
do_enable_deep(){
376
    for var; do
377
        enabled $var && continue
378
        eval sel="\$${var}_select"
379
        eval sgs="\$${var}_suggest"
380
        pushvar var sgs
381
        enable_deep $sel
382
        popvar sgs
383
        enable_deep_weak $sgs
384
        popvar var
385
    done
386
}
387

    
388
enable_deep(){
389
    do_enable_deep $*
390
    enable $*
391
}
392

    
393
enable_deep_weak(){
394
    do_enable_deep $*
395
    enable_weak $*
396
}
397

    
398
enabled(){
399
    test "${1#!}" = "$1" && op== || op=!=
400
    eval test "x\$${1#!}" $op "xyes"
401
}
402

    
403
disabled(){
404
    test "${1#!}" = "$1" && op== || op=!=
405
    eval test "x\$${1#!}" $op "xno"
406
}
407

    
408
enabled_all(){
409
    for opt; do
410
        enabled $opt || return 1
411
    done
412
}
413

    
414
disabled_all(){
415
    for opt; do
416
        disabled $opt || return 1
417
    done
418
}
419

    
420
enabled_any(){
421
    for opt; do
422
        enabled $opt && return 0
423
    done
424
}
425

    
426
disabled_any(){
427
    for opt; do
428
        disabled $opt && return 0
429
    done
430
    return 1
431
}
432

    
433
set_default(){
434
    for opt; do
435
        eval : \${$opt:=\$${opt}_default}
436
    done
437
}
438

    
439
is_in(){
440
    value=$1
441
    shift
442
    for var in $*; do
443
        [ $var = $value ] && return 0
444
    done
445
    return 1
446
}
447

    
448
check_deps(){
449
    for cfg; do
450
        cfg="${cfg#!}"
451
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
452
        disabled ${cfg}_checking && continue
453
        enable ${cfg}_checking
454

    
455
        eval dep_all="\$${cfg}_deps"
456
        eval dep_any="\$${cfg}_deps_any"
457
        eval dep_sel="\$${cfg}_select"
458
        eval dep_sgs="\$${cfg}_suggest"
459
        eval dep_ifa="\$${cfg}_if"
460
        eval dep_ifn="\$${cfg}_if_any"
461

    
462
        pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
463
        check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
464
        popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
465

    
466
        [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
467
        [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
468
        enabled_all  $dep_all || disable $cfg
469
        enabled_any  $dep_any || disable $cfg
470
        disabled_any $dep_sel && disable $cfg
471

    
472
        if enabled $cfg; then
473
            eval dep_extralibs="\$${cfg}_extralibs"
474
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
475
            enable_deep $dep_sel
476
            enable_deep_weak $dep_sgs
477
        fi
478

    
479
        disable ${cfg}_checking
480
    done
481
}
482

    
483
print_config(){
484
    pfx=$1
485
    header=$2
486
    makefile=$3
487
    shift 3
488
    for cfg; do
489
        ucname="$(toupper $cfg)"
490
        if enabled $cfg; then
491
            echo "#define ${pfx}${ucname} 1" >> $header
492
            echo "${pfx}${ucname}=yes" >> $makefile
493
        else
494
            echo "#define ${pfx}${ucname} 0" >> $header
495
            echo "!${pfx}${ucname}=yes" >> $makefile
496
        fi
497
    done
498
}
499

    
500
flags_saved(){
501
    (: ${SAVE_CFLAGS?}) 2> /dev/null
502
}
503

    
504
save_flags(){
505
    flags_saved && return
506
    SAVE_CFLAGS="$CFLAGS"
507
    SAVE_LDFLAGS="$LDFLAGS"
508
    SAVE_extralibs="$extralibs"
509
}
510

    
511
restore_flags(){
512
    flags_saved || return
513
    CFLAGS="$SAVE_CFLAGS"
514
    LDFLAGS="$SAVE_LDFLAGS"
515
    extralibs="$SAVE_extralibs"
516
    unset SAVE_CFLAGS
517
    unset SAVE_LDFLAGS
518
    unset SAVE_extralibs
519
}
520

    
521
temp_cflags(){
522
    save_flags
523
    CFLAGS="$CFLAGS $*"
524
}
525

    
526
temp_ldflags(){
527
    save_flags
528
    LDFLAGS="$LDFLAGS $*"
529
}
530

    
531
temp_extralibs(){
532
    save_flags
533
    extralibs="$extralibs $*"
534
}
535

    
536
append(){
537
    var=$1
538
    shift
539
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
540
    eval "$var=\"\$$var $*\""
541
}
542

    
543
add_cppflags(){
544
    append CPPFLAGS $($filter_cppflags "$@")
545
}
546

    
547
add_cflags(){
548
    append CFLAGS $($filter_cflags "$@")
549
}
550

    
551
add_asflags(){
552
    append ASFLAGS $($filter_asflags "$@")
553
}
554

    
555
add_ldflags(){
556
    append LDFLAGS "$@"
557
}
558

    
559
add_extralibs(){
560
    append extralibs "$@"
561
}
562

    
563
check_cmd(){
564
    log "$@"
565
    "$@" >> $logfile 2>&1
566
}
567

    
568
check_cc(){
569
    log check_cc "$@"
570
    cat > $TMPC
571
    log_file $TMPC
572
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
573
}
574

    
575
check_cpp(){
576
    log check_cpp "$@"
577
    cat > $TMPC
578
    log_file $TMPC
579
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
580
}
581

    
582
check_as(){
583
    log check_as "$@"
584
    cat > $TMPC
585
    log_file $TMPC
586
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
587
}
588

    
589
check_asm(){
590
    log check_asm "$@"
591
    name="$1"
592
    code="$2"
593
    shift 2
594
    disable $name
595
    check_as "$@" <<EOF && enable $name
596
void foo(void){ __asm__ volatile($code); }
597
EOF
598
}
599

    
600
check_yasm(){
601
    log check_yasm "$@"
602
    echo "$1" > $TMPS
603
    log_file $TMPS
604
    shift 1
605
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
606
}
607

    
608
check_ld(){
609
    log check_ld "$@"
610
    flags=''
611
    libs=''
612
    for f; do
613
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
614
    done
615
    check_cc $($filter_cflags $flags) || return
616
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
617
}
618

    
619
check_cppflags(){
620
    log check_cppflags "$@"
621
    set -- $($filter_cppflags "$@")
622
    check_cc "$@" <<EOF && append CPPFLAGS "$@"
623
int x;
624
EOF
625
}
626

    
627
check_cflags(){
628
    log check_cflags "$@"
629
    set -- $($filter_cflags "$@")
630
    check_cc "$@" <<EOF && append CFLAGS "$@"
631
int x;
632
EOF
633
}
634

    
635
test_ldflags(){
636
    log test_ldflags "$@"
637
    check_ld "$@" <<EOF
638
int main(void){ return 0; }
639
EOF
640
}
641

    
642
check_ldflags(){
643
    log check_ldflags "$@"
644
    test_ldflags "$@" && add_ldflags "$@"
645
}
646

    
647
check_header(){
648
    log check_header "$@"
649
    header=$1
650
    shift
651
    disable_safe $header
652
    check_cpp "$@" <<EOF && enable_safe $header
653
#include <$header>
654
int x;
655
EOF
656
}
657

    
658
check_func(){
659
    log check_func "$@"
660
    func=$1
661
    shift
662
    disable $func
663
    check_ld "$@" <<EOF && enable $func
664
extern int $func();
665
int main(void){ $func(); }
666
EOF
667
}
668

    
669
check_func_headers(){
670
    log check_func_headers "$@"
671
    headers=$1
672
    func=$2
673
    shift 2
674
    disable $func
675
    incs=""
676
    for hdr in $headers; do
677
        incs="$incs
678
#include <$hdr>"
679
    done
680
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
681
$incs
682
int main(int argc, char **argv){
683
    return (long) $func;
684
}
685
EOF
686
}
687

    
688
check_cpp_condition(){
689
    log check_cpp_condition "$@"
690
    header=$1
691
    condition=$2
692
    shift 2
693
    check_cpp $($filter_cppflags "$@") <<EOF
694
#include <$header>
695
#if !($condition)
696
#error "unsatisfied condition: $condition"
697
#endif
698
EOF
699
}
700

    
701
check_lib(){
702
    log check_lib "$@"
703
    header="$1"
704
    func="$2"
705
    shift 2
706
    temp_extralibs "$@"
707
    check_header $header && check_func $func && add_extralibs "$@"
708
    err=$?
709
    restore_flags
710
    return $err
711
}
712

    
713
check_lib2(){
714
    log check_lib2 "$@"
715
    headers="$1"
716
    func="$2"
717
    shift 2
718
    check_func_headers "$headers" $func "$@" && add_extralibs "$@"
719
}
720

    
721
check_exec(){
722
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
723
}
724

    
725
check_exec_crash(){
726
    code=$(cat)
727

    
728
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
729
    # are safe but may not be available everywhere.  Thus we use
730
    # raise(SIGTERM) instead.  The check is run in a subshell so we
731
    # can redirect the "Terminated" message from the shell.  SIGBUS
732
    # is not defined by standard C so it is used conditionally.
733

    
734
    (check_exec "$@") >> $logfile 2>&1 <<EOF
735
#include <signal.h>
736
static void sighandler(int sig){
737
    raise(SIGTERM);
738
}
739
int main(void){
740
    signal(SIGILL, sighandler);
741
    signal(SIGFPE, sighandler);
742
    signal(SIGSEGV, sighandler);
743
#ifdef SIGBUS
744
    signal(SIGBUS, sighandler);
745
#endif
746
    { $code }
747
}
748
EOF
749
}
750

    
751
check_type(){
752
    log check_type "$@"
753
    headers=$1
754
    type=$2
755
    shift 2
756
    disable_safe "$type"
757
    incs=""
758
    for hdr in $headers; do
759
        incs="$incs
760
#include <$hdr>"
761
    done
762
    check_cc "$@" <<EOF && enable_safe "$type"
763
$incs
764
$type v;
765
EOF
766
}
767

    
768
check_struct(){
769
    log check_type "$@"
770
    headers=$1
771
    struct=$2
772
    member=$3
773
    shift 3
774
    disable_safe "${struct}_${member}"
775
    incs=""
776
    for hdr in $headers; do
777
        incs="$incs
778
#include <$hdr>"
779
    done
780
    check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
781
$incs
782
const void *p = &(($struct *)0)->$member;
783
EOF
784
}
785

    
786
require(){
787
    name="$1"
788
    header="$2"
789
    func="$3"
790
    shift 3
791
    check_lib $header $func "$@" || die "ERROR: $name not found"
792
}
793

    
794
require2(){
795
    name="$1"
796
    headers="$2"
797
    func="$3"
798
    shift 3
799
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
800
}
801

    
802
check_foo_config(){
803
    cfg=$1
804
    pkg=$2
805
    header=$3
806
    func=$4
807
    shift 4
808
    disable $cfg
809
    check_cmd ${pkg}-config --version
810
    err=$?
811
    if test "$err" = 0; then
812
        temp_cflags $(${pkg}-config --cflags)
813
        temp_extralibs $(${pkg}-config --libs)
814
        check_lib "$@" $header $func && enable $cfg
815
    fi
816
    return $err
817
}
818

    
819
check_host_cc(){
820
    log check_host_cc "$@"
821
    cat > $TMPC
822
    log_file $TMPC
823
    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
824
}
825

    
826
check_host_cflags(){
827
    log check_host_cflags "$@"
828
    check_host_cc "$@" <<EOF && append host_cflags "$@"
829
int x;
830
EOF
831
}
832

    
833
apply(){
834
    file=$1
835
    shift
836
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
837
}
838

    
839
cp_if_changed(){
840
    cmp -s "$1" "$2" &&
841
        echo "$2 is unchanged" ||
842
        cp -f "$1" "$2"
843
}
844

    
845
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
846
# system-dependent things.
847

    
848
COMPONENT_LIST="
849
    bsfs
850
    decoders
851
    demuxers
852
    encoders
853
    filters
854
    hwaccels
855
    indevs
856
    muxers
857
    outdevs
858
    parsers
859
    protocols
860
"
861

    
862
CONFIG_LIST="
863
    $COMPONENT_LIST
864
    aandct
865
    avcodec
866
    avdevice
867
    avfilter
868
    avfilter_lavf
869
    avformat
870
    avisynth
871
    beos_netserver
872
    bzlib
873
    dct
874
    doc
875
    dxva2
876
    fastdiv
877
    ffmpeg
878
    ffplay
879
    ffserver
880
    fft
881
    golomb
882
    gpl
883
    gprof
884
    gray
885
    hardcoded_tables
886
    libdc1394
887
    libdirac
888
    libfaac
889
    libfaad
890
    libfaadbin
891
    libgsm
892
    libmp3lame
893
    libnut
894
    libopencore_amrnb
895
    libopencore_amrwb
896
    libopenjpeg
897
    libschroedinger
898
    libspeex
899
    libtheora
900
    libvorbis
901
    libx264
902
    libxvid
903
    lpc
904
    mdct
905
    memalign_hack
906
    mlib
907
    mpegaudio_hp
908
    network
909
    nonfree
910
    pic
911
    postproc
912
    powerpc_perf
913
    rdft
914
    runtime_cpudetect
915
    shared
916
    small
917
    static
918
    swscale
919
    swscale_alpha
920
    vaapi
921
    vdpau
922
    version3
923
    x11grab
924
    zlib
925
"
926

    
927
THREADS_LIST='
928
    beosthreads
929
    os2threads
930
    pthreads
931
    w32threads
932
'
933

    
934
ARCH_LIST='
935
    alpha
936
    arm
937
    avr32
938
    avr32_ap
939
    avr32_uc
940
    bfin
941
    ia64
942
    m68k
943
    mips
944
    mips64
945
    parisc
946
    ppc
947
    ppc64
948
    s390
949
    sh4
950
    sparc
951
    sparc64
952
    x86
953
    x86_32
954
    x86_64
955
'
956

    
957
ARCH_EXT_LIST='
958
    altivec
959
    amd3dnow
960
    amd3dnowext
961
    armv5te
962
    armv6
963
    armv6t2
964
    armvfp
965
    iwmmxt
966
    mmi
967
    mmx
968
    mmx2
969
    neon
970
    ppc4xx
971
    sse
972
    ssse3
973
    vis
974
'
975

    
976
HAVE_LIST_PUB='
977
    bigendian
978
'
979

    
980
HAVE_LIST="
981
    $ARCH_EXT_LIST
982
    $HAVE_LIST_PUB
983
    $THREADS_LIST
984
    alsa_asoundlib_h
985
    altivec_h
986
    arpa_inet_h
987
    attribute_packed
988
    bswap
989
    closesocket
990
    cmov
991
    conio_h
992
    dcbzl
993
    dev_bktr_ioctl_bt848_h
994
    dev_bktr_ioctl_meteor_h
995
    dev_ic_bt8xx_h
996
    dev_video_meteor_ioctl_meteor_h
997
    dev_video_bktr_ioctl_bt848_h
998
    dlfcn_h
999
    dlopen
1000
    dos_paths
1001
    ebp_available
1002
    ebx_available
1003
    exp2
1004
    exp2f
1005
    fast_64bit
1006
    fast_clz
1007
    fast_cmov
1008
    fast_unaligned
1009
    fork
1010
    getaddrinfo
1011
    gethrtime
1012
    GetProcessTimes
1013
    getrusage
1014
    inet_aton
1015
    inline_asm
1016
    isatty
1017
    ldbrx
1018
    libdc1394_1
1019
    libdc1394_2
1020
    llrint
1021
    log2
1022
    log2f
1023
    loongson
1024
    lrint
1025
    lrintf
1026
    lzo1x_999_compress
1027
    machine_ioctl_bt848_h
1028
    machine_ioctl_meteor_h
1029
    malloc_h
1030
    memalign
1031
    mkstemp
1032
    pld
1033
    posix_memalign
1034
    round
1035
    roundf
1036
    sdl
1037
    sdl_video_size
1038
    setmode
1039
    socklen_t
1040
    soundcard_h
1041
    poll_h
1042
    struct_addrinfo
1043
    struct_ipv6_mreq
1044
    struct_sockaddr_in6
1045
    struct_sockaddr_sa_len
1046
    struct_sockaddr_storage
1047
    sys_mman_h
1048
    sys_resource_h
1049
    sys_select_h
1050
    sys_soundcard_h
1051
    sys_videoio_h
1052
    ten_operands
1053
    termios_h
1054
    threads
1055
    truncf
1056
    vfp_args
1057
    VirtualAlloc
1058
    winsock2_h
1059
    xform_asm
1060
    yasm
1061
"
1062

    
1063
# options emitted with CONFIG_ prefix but not available on command line
1064
CONFIG_EXTRA="
1065
    gplv3
1066
    lgplv3
1067
"
1068

    
1069
CMDLINE_SELECT="
1070
    $ARCH_EXT_LIST
1071
    $CONFIG_LIST
1072
    $THREADS_LIST
1073
    asm
1074
    cross_compile
1075
    debug
1076
    extra_warnings
1077
    logging
1078
    optimizations
1079
    stripping
1080
    yasm
1081
"
1082

    
1083
PATHS_LIST='
1084
    bindir
1085
    datadir
1086
    incdir
1087
    libdir
1088
    mandir
1089
    prefix
1090
    shlibdir
1091
'
1092

    
1093
CMDLINE_SET="
1094
    $PATHS_LIST
1095
    arch
1096
    as
1097
    build_suffix
1098
    cc
1099
    cpu
1100
    cross_prefix
1101
    dep_cc
1102
    extra_version
1103
    host_cc
1104
    host_cflags
1105
    host_ldflags
1106
    host_libs
1107
    host_os
1108
    ld
1109
    logfile
1110
    nm
1111
    source_path
1112
    sysinclude
1113
    sysroot
1114
    target_exec
1115
    target_os
1116
    target_path
1117
"
1118

    
1119
CMDLINE_APPEND="
1120
    extra_cflags
1121
"
1122

    
1123
# code dependency declarations
1124

    
1125
# architecture extensions
1126

    
1127
armv5te_deps="arm"
1128
armv6_deps="arm"
1129
armv6t2_deps="arm"
1130
armvfp_deps="arm"
1131
iwmmxt_deps="arm"
1132
neon_deps="arm"
1133

    
1134
mmi_deps="mips"
1135

    
1136
altivec_deps="ppc"
1137
ppc4xx_deps="ppc"
1138

    
1139
vis_deps="sparc"
1140

    
1141
x86_64_suggest="cmov fast_cmov"
1142
amd3dnow_deps="mmx"
1143
amd3dnowext_deps="amd3dnow"
1144
mmx_deps="x86"
1145
mmx2_deps="mmx"
1146
sse_deps="mmx"
1147
ssse3_deps="sse"
1148

    
1149
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1150
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1151
fast_unaligned_if_any="armv6 ppc x86"
1152

    
1153
need_memalign="altivec neon sse"
1154
inline_asm_deps="!tms470"
1155

    
1156
# decoders / encoders / hardware accelerators
1157
aac_decoder_select="fft mdct aac_parser"
1158
aac_encoder_select="fft mdct"
1159
ac3_decoder_select="fft mdct ac3_parser"
1160
alac_encoder_select="lpc"
1161
atrac3_decoder_select="fft mdct"
1162
cavs_decoder_select="golomb"
1163
cook_decoder_select="fft mdct"
1164
cscd_decoder_suggest="zlib"
1165
dca_decoder_select="fft mdct"
1166
dnxhd_encoder_select="aandct"
1167
dxa_decoder_select="zlib"
1168
eac3_decoder_select="ac3_decoder"
1169
eamad_decoder_select="aandct"
1170
eatgq_decoder_select="aandct"
1171
eatqi_decoder_select="aandct"
1172
ffv1_decoder_select="golomb"
1173
flac_decoder_select="golomb"
1174
flac_encoder_select="golomb lpc"
1175
flashsv_decoder_select="zlib"
1176
flashsv_encoder_select="zlib"
1177
flv_decoder_select="h263_decoder"
1178
flv_encoder_select="h263_encoder"
1179
h261_encoder_select="aandct"
1180
h263_decoder_select="h263_parser"
1181
h263_encoder_select="aandct"
1182
h263_vaapi_hwaccel_deps="va_va_h"
1183
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1184
h263i_decoder_select="h263_decoder"
1185
h263p_encoder_select="h263_encoder"
1186
h264_decoder_select="golomb"
1187
h264_dxva2_hwaccel_deps="dxva2api_h"
1188
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1189
h264_vaapi_hwaccel_deps="va_va_h"
1190
h264_vaapi_hwaccel_select="vaapi"
1191
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1192
h264_vdpau_decoder_select="vdpau h264_decoder"
1193
imc_decoder_select="fft mdct"
1194
jpegls_decoder_select="golomb"
1195
jpegls_encoder_select="golomb"
1196
ljpeg_encoder_select="aandct"
1197
loco_decoder_select="golomb"
1198
mjpeg_encoder_select="aandct"
1199
mlp_decoder_select="mlp_parser"
1200
mpeg1video_encoder_select="aandct"
1201
mpeg2video_encoder_select="aandct"
1202
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1203
mpeg4_encoder_select="h263_encoder"
1204
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1205
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1206
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1207
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1208
mpeg2_vaapi_hwaccel_deps="va_va_h"
1209
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1210
mpeg4_vaapi_hwaccel_deps="va_va_h"
1211
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1212
mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1213
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1214
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1215
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1216
msmpeg4v1_decoder_select="h263_decoder"
1217
msmpeg4v1_encoder_select="h263_encoder"
1218
msmpeg4v2_decoder_select="h263_decoder"
1219
msmpeg4v2_encoder_select="h263_encoder"
1220
msmpeg4v3_decoder_select="h263_decoder"
1221
msmpeg4v3_encoder_select="h263_encoder"
1222
nellymoser_decoder_select="fft mdct"
1223
nellymoser_encoder_select="fft mdct"
1224
png_decoder_select="zlib"
1225
png_encoder_select="zlib"
1226
qdm2_decoder_select="fft mdct rdft"
1227
rv10_decoder_select="h263_decoder"
1228
rv10_encoder_select="h263_encoder"
1229
rv20_decoder_select="h263_decoder"
1230
rv20_encoder_select="h263_encoder"
1231
rv30_decoder_select="golomb"
1232
rv40_decoder_select="golomb"
1233
shorten_decoder_select="golomb"
1234
sonic_decoder_select="golomb"
1235
sonic_encoder_select="golomb"
1236
sonic_ls_encoder_select="golomb"
1237
svq3_decoder_select="golomb"
1238
svq3_decoder_suggest="zlib"
1239
theora_decoder_select="vp3_decoder"
1240
tiff_decoder_suggest="zlib"
1241
tiff_encoder_suggest="zlib"
1242
truehd_decoder_select="mlp_decoder"
1243
tscc_decoder_select="zlib"
1244
vc1_decoder_select="h263_decoder"
1245
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1246
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1247
vc1_vaapi_hwaccel_deps="va_va_h"
1248
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1249
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1250
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1251
vorbis_decoder_select="fft mdct"
1252
vorbis_encoder_select="fft mdct"
1253
vp6a_decoder_select="vp6_decoder"
1254
vp6f_decoder_select="vp6_decoder"
1255
wmav1_decoder_select="fft mdct"
1256
wmav1_encoder_select="fft mdct"
1257
wmav2_decoder_select="fft mdct"
1258
wmav2_encoder_select="fft mdct"
1259
wmv1_decoder_select="h263_decoder"
1260
wmv1_encoder_select="h263_encoder"
1261
wmv2_decoder_select="h263_decoder"
1262
wmv2_encoder_select="h263_encoder"
1263
wmv3_decoder_select="vc1_decoder"
1264
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1265
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1266
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1267
zlib_decoder_select="zlib"
1268
zlib_encoder_select="zlib"
1269
zmbv_decoder_select="zlib"
1270
zmbv_encoder_select="zlib"
1271

    
1272
# parsers
1273
h264_parser_select="golomb"
1274

    
1275
# bitstream_filters
1276
aac_adtstoasc_bsf_select="aac_parser"
1277

    
1278
# external libraries
1279
libdirac_decoder_deps="libdirac !libschroedinger"
1280
libdirac_encoder_deps="libdirac"
1281
libfaac_encoder_deps="libfaac"
1282
libfaad_decoder_deps="libfaad"
1283
libfaadbin_decoder_extralibs='$ldl'
1284
libgsm_decoder_deps="libgsm"
1285
libgsm_encoder_deps="libgsm"
1286
libgsm_ms_decoder_deps="libgsm"
1287
libgsm_ms_encoder_deps="libgsm"
1288
libmp3lame_encoder_deps="libmp3lame"
1289
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1290
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1291
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1292
libopenjpeg_decoder_deps="libopenjpeg"
1293
libschroedinger_decoder_deps="libschroedinger"
1294
libschroedinger_encoder_deps="libschroedinger"
1295
libspeex_decoder_deps="libspeex"
1296
libtheora_encoder_deps="libtheora"
1297
libvorbis_encoder_deps="libvorbis"
1298
libx264_encoder_deps="libx264"
1299
libxvid_encoder_deps="libxvid"
1300

    
1301
# demuxers / muxers
1302
ac3_demuxer_deps="ac3_parser"
1303
asf_stream_muxer_select="asf_muxer"
1304
avisynth_demuxer_deps="avisynth"
1305
dirac_demuxer_deps="dirac_parser"
1306
eac3_demuxer_select="ac3_parser"
1307
ipod_muxer_select="mov_muxer"
1308
libnut_demuxer_deps="libnut"
1309
libnut_muxer_deps="libnut"
1310
matroska_audio_muxer_select="matroska_muxer"
1311
matroska_demuxer_suggest="zlib bzlib"
1312
mov_demuxer_suggest="zlib"
1313
mp3_demuxer_deps="mpegaudio_parser"
1314
mp4_muxer_select="mov_muxer"
1315
mpegtsraw_demuxer_select="mpegts_demuxer"
1316
mxf_d10_muxer_select="mxf_muxer"
1317
ogg_demuxer_select="golomb"
1318
psp_muxer_select="mov_muxer"
1319
rtsp_demuxer_deps="sdp_demuxer"
1320
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1321
spdif_muxer_select="aac_parser"
1322
tg2_muxer_select="mov_muxer"
1323
tgp_muxer_select="mov_muxer"
1324
w64_demuxer_deps="wav_demuxer"
1325

    
1326
# indevs / outdevs
1327
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1328
alsa_indev_extralibs="-lasound"
1329
alsa_outdev_deps="alsa_asoundlib_h"
1330
alsa_outdev_extralibs="-lasound"
1331
audio_beos_indev_deps="audio_beos"
1332
audio_beos_indev_extralibs="-lmedia -lbe"
1333
audio_beos_outdev_deps="audio_beos"
1334
audio_beos_outdev_extralibs="-lmedia -lbe"
1335
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1336
dv1394_indev_deps="dv1394 dv_demuxer"
1337
jack_indev_deps="jack_jack_h"
1338
jack_indev_extralibs="-ljack"
1339
libdc1394_indev_deps="libdc1394"
1340
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1341
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1342
v4l_indev_deps="linux_videodev_h"
1343
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1344
vfwcap_indev_deps="capCreateCaptureWindow"
1345
vfwcap_indev_extralibs="-lavicap32"
1346
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1347
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1348

    
1349
# protocols
1350
gopher_protocol_deps="network"
1351
http_protocol_deps="network"
1352
rtmp_protocol_deps="tcp_protocol"
1353
rtp_protocol_deps="udp_protocol"
1354
tcp_protocol_deps="network"
1355
udp_protocol_deps="network"
1356

    
1357
# filters
1358
movie_filter_deps="avfilter_lavf"
1359
avfilter_lavf_deps="avformat"
1360

    
1361
# libraries
1362
avdevice_deps="avcodec avformat"
1363
avformat_deps="avcodec"
1364

    
1365
# programs
1366
ffmpeg_deps="avcodec avformat swscale"
1367
ffplay_deps="avcodec avformat swscale sdl"
1368
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1369
ffserver_extralibs='$ldl'
1370

    
1371
doc_deps="texi2html"
1372

    
1373
# default parameters
1374

    
1375
logfile="config.err"
1376

    
1377
# installation paths
1378
prefix_default="/usr/local"
1379
bindir_default='${prefix}/bin'
1380
datadir_default='${prefix}/share/ffmpeg'
1381
incdir_default='${prefix}/include'
1382
libdir_default='${prefix}/lib'
1383
mandir_default='${prefix}/share/man'
1384
shlibdir_default="$libdir_default"
1385

    
1386
# toolchain
1387
ar="ar"
1388
cc_default="gcc"
1389
cc_version=\"unknown\"
1390
host_cc_default="gcc"
1391
ln_s="ln -sf"
1392
nm_default="nm"
1393
objformat="elf"
1394
ranlib="ranlib"
1395
strip="strip"
1396
yasmexe="yasm"
1397

    
1398
nm_opts='-g'
1399

    
1400
# machine
1401
arch=$(uname -m)
1402
cpu="generic"
1403

    
1404
# OS
1405
target_os=$(tolower $(uname -s))
1406
host_os=$target_os
1407

    
1408
# configurable options
1409
enable avcodec
1410
enable avdevice
1411
enable avformat
1412
enable asm
1413
enable debug
1414
enable doc
1415
enable fastdiv
1416
enable ffmpeg
1417
enable ffplay
1418
enable ffserver
1419
enable mpegaudio_hp
1420
enable network
1421
enable optimizations
1422
enable protocols
1423
enable static
1424
enable stripping
1425
enable swscale
1426
enable swscale_alpha
1427

    
1428
# build settings
1429
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1430
FFSERVERLDFLAGS=-Wl,-E
1431
LIBPREF="lib"
1432
LIBSUF=".a"
1433
FULLNAME='$(NAME)$(BUILDSUF)'
1434
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1435
SLIBPREF="lib"
1436
SLIBSUF=".so"
1437
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1438
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1439
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1440
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1441

    
1442
CC_O='-o $@'
1443

    
1444
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1445
host_libs='-lm'
1446

    
1447
target_path='.'
1448

    
1449
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1450
# full relative path for objects in subdirectories for non-recursive Make.
1451
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1452
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1453

    
1454
# find source path
1455
source_path="$(dirname "$0")"
1456
enable source_path_used
1457
if test -f configure; then
1458
    source_path="$(pwd)"
1459
    disable source_path_used
1460
else
1461
    source_path="$(cd "$source_path"; pwd)"
1462
    echo "$source_path" | grep -q '[[:blank:]]' &&
1463
        die "Out of tree builds are impossible with whitespace in source path."
1464
    test -e "$source_path/config.h" &&
1465
        die "Out of tree builds are impossible with config.h in source dir."
1466
fi
1467

    
1468
for v in "$@"; do
1469
    r=${v#*=}
1470
    l=${v%"$r"}
1471
    r=$(sh_quote "$r")
1472
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1473
done
1474

    
1475
find_things(){
1476
    thing=$1
1477
    pattern=$2
1478
    file=$source_path/$3
1479
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1480
}
1481

    
1482
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1483
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1484
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1485
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1486
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1487
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1488
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1489
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1490
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1491
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1492
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1493

    
1494
enable $ARCH_EXT_LIST \
1495
       $DECODER_LIST \
1496
       $ENCODER_LIST \
1497
       $HWACCEL_LIST \
1498
       $PARSER_LIST \
1499
       $BSF_LIST \
1500
       $DEMUXER_LIST \
1501
       $MUXER_LIST \
1502
       $FILTER_LIST \
1503
       $PROTOCOL_LIST \
1504
       $INDEV_LIST \
1505
       $OUTDEV_LIST \
1506

    
1507
die_unknown(){
1508
    echo "Unknown option \"$1\"."
1509
    echo "See $0 --help for available options."
1510
    exit 1
1511
}
1512

    
1513
show_list() {
1514
    suffix=_$1
1515
    shift
1516
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1517
    exit 0
1518
}
1519

    
1520
for opt do
1521
    optval="${opt#*=}"
1522
    case "$opt" in
1523
    --extra-ldflags=*) add_ldflags $optval
1524
    ;;
1525
    --extra-libs=*) add_extralibs $optval
1526
    ;;
1527
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1528
    ;;
1529
    --enable-debug=*) debuglevel="$optval"
1530
    ;;
1531
    --enable-*=*|--disable-*=*)
1532
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1533
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1534
    eval list=\$$(toupper $thing)_LIST
1535
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1536
    $action $(filter "$name" $list)
1537
    ;;
1538
    --enable-?*|--disable-?*)
1539
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1540
    if is_in $option $COMPONENT_LIST; then
1541
        test $action = disable && action=unset
1542
        eval $action \$$(toupper ${option%s})_LIST
1543
    elif is_in $option $CMDLINE_SELECT; then
1544
        $action $option
1545
    else
1546
        die_unknown $opt
1547
    fi
1548
    ;;
1549
    --list-*)
1550
        NAME="${opt#--list-}"
1551
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1552
        NAME=${NAME%s}
1553
        eval show_list $NAME \$$(toupper $NAME)_LIST
1554
    ;;
1555
    --help|-h) show_help
1556
    ;;
1557
    *)
1558
    optname="${opt%%=*}"
1559
    optname="${optname#--}"
1560
    optname=$(echo "$optname" | sed 's/-/_/g')
1561
    if is_in $optname $CMDLINE_SET; then
1562
        eval $optname='$optval'
1563
    elif is_in $optname $CMDLINE_APPEND; then
1564
        append $optname "$optval"
1565
    else
1566
         die_unknown $opt
1567
    fi
1568
    ;;
1569
    esac
1570
done
1571

    
1572
disabled logging && logfile=/dev/null
1573

    
1574
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1575
set >> $logfile
1576

    
1577
test -n "$cross_prefix" && enable cross_compile
1578

    
1579
ar="${cross_prefix}${ar}"
1580
cc_default="${cross_prefix}${cc_default}"
1581
nm_default="${cross_prefix}${nm_default}"
1582
ranlib="${cross_prefix}${ranlib}"
1583
strip="${cross_prefix}${strip}"
1584

    
1585
sysinclude_default="${sysroot}/usr/include"
1586

    
1587
set_default cc nm sysinclude
1588
enabled cross_compile || host_cc_default=$cc
1589
set_default host_cc
1590

    
1591
exesuf() {
1592
    case $1 in
1593
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1594
    esac
1595
}
1596

    
1597
EXESUF=$(exesuf $target_os)
1598
HOSTEXESUF=$(exesuf $host_os)
1599

    
1600
# set temporary file name
1601
: ${TMPDIR:=$TEMPDIR}
1602
: ${TMPDIR:=$TMP}
1603
: ${TMPDIR:=/tmp}
1604

    
1605
if ! check_cmd type mktemp; then
1606
    # simple replacement for missing mktemp
1607
    # NOT SAFE FOR GENERAL USE
1608
    mktemp(){
1609
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1610
    }
1611
fi
1612

    
1613
tmpfile(){
1614
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1615
        (set -C; exec > $tmp) 2>/dev/null ||
1616
        die "Unable to create temporary file in $TMPDIR."
1617
    append TMPFILES $tmp
1618
    eval $1=$tmp
1619
}
1620

    
1621
trap 'rm -f -- $TMPFILES' EXIT
1622
trap exit HUP INT TERM
1623

    
1624
tmpfile TMPC  .c
1625
tmpfile TMPE  $EXESUF
1626
tmpfile TMPH  .h
1627
tmpfile TMPO  .o
1628
tmpfile TMPS  .S
1629
tmpfile TMPV  .ver
1630
tmpfile TMPSH .sh
1631

    
1632
unset -f mktemp
1633

    
1634
# make sure we can execute files in $TMPDIR
1635
cat > $TMPSH 2>> $logfile <<EOF
1636
#! /bin/sh
1637
EOF
1638
chmod +x $TMPSH >> $logfile 2>&1
1639
if ! $TMPSH >> $logfile 2>&1; then
1640
    cat <<EOF
1641
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1642
variable to another directory and make sure that it is not mounted noexec.
1643
EOF
1644
    die "Sanity test failed."
1645
fi
1646

    
1647
filter_cflags=echo
1648
filter_cppflags=echo
1649
filter_asflags=echo
1650

    
1651
if   $cc -v 2>&1 | grep -qi ^gcc; then
1652
    cc_type=gcc
1653
    cc_version=__VERSION__
1654
    if ! $cc -dumpversion | grep -q '^2\.'; then
1655
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1656
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1657
    fi
1658
elif $cc --version 2>/dev/null | grep -q Intel; then
1659
    cc_type=icc
1660
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1661
    CC_DEPFLAGS='-MMD'
1662
    AS_DEPFLAGS='-MMD'
1663
elif $cc -v 2>&1 | grep -q xlc; then
1664
    cc_type=xlc
1665
    cc_version="AV_STRINGIFY(__IBMC__)"
1666
elif $cc -V 2>/dev/null | grep -q Compaq; then
1667
    cc_type=ccc
1668
    cc_version="AV_STRINGIFY(__DECC_VER)"
1669
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1670
    debuglevel=3
1671
    add_ldflags -Wl,-z,now # calls to libots crash without this
1672
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1673
    test -d "$sysroot" || die "No valid sysroot specified."
1674
    cc_type=armcc
1675
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1676
    armcc_conf="$PWD/armcc.conf"
1677
    $cc --arm_linux_configure                 \
1678
        --arm_linux_config_file="$armcc_conf" \
1679
        --configure_sysroot="$sysroot"        \
1680
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1681
        die "Error creating armcc configuration file."
1682
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1683
    as_default="${cross_prefix}gcc"
1684
    CC_DEPFLAGS='-MMD'
1685
    AS_DEPFLAGS='-MMD'
1686
elif $cc -version 2>/dev/null | grep -q TMS470; then
1687
    cc_type=tms470
1688
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1689
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1690
    CC_O='-fr=$(@D)'
1691
    as_default="${cross_prefix}gcc"
1692
    ld_default="${cross_prefix}gcc"
1693
    TMPO=$(basename $TMPC .c).o
1694
    append TMPFILES $TMPO
1695
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1696
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1697
    AS_DEPFLAGS='-MMD'
1698
    filter_cflags=tms470_flags
1699
    tms470_flags(){
1700
        for flag; do
1701
            case $flag in
1702
                -march=*|-mcpu=*)
1703
                    case "${flag#*=}" in
1704
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1705
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1706
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1707
                        armv6*|arm11*)          echo -mv=6   ;;
1708
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1709
                                                echo -mv=5e  ;;
1710
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1711
                    esac
1712
                    ;;
1713
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1714
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1715
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1716
                -msoft-float)   echo --float_support=vfplib       ;;
1717
                -Os)            echo -O3 -mf=2                    ;;
1718
                -O[0-3])        echo $flag -mf=5                  ;;
1719
                -g)             echo -g -mn                       ;;
1720
                -pds=*)         echo $flag                        ;;
1721
            esac
1722
        done
1723
    }
1724
elif $cc -v 2>&1 | grep -q clang; then
1725
    cc_type=clang
1726
    cc_version=__VERSION__
1727
    CC_DEPFLAGS='-MMD'
1728
    AS_DEPFLAGS='-MMD'
1729
elif $cc -V 2>&1 | grep -q Sun; then
1730
    cc_type=suncc
1731
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1732
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1733
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1734
    filter_cflags=suncc_flags
1735
    suncc_flags(){
1736
        for flag; do
1737
            case $flag in
1738
                -march=*|-mcpu=*)
1739
                    case "${flag#*=}" in
1740
                        native)                   echo -xtarget=native       ;;
1741
                        v9)                       echo -xarch=sparc          ;;
1742
                        ultrasparc)               echo -xarch=sparcvis       ;;
1743
                        ultrasparc3|niagara*)     echo -xarch=sparcvis2      ;;
1744
                        i586|pentium)             echo -xchip=pentium        ;;
1745
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1746
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1747
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1748
                        pentium4*)          echo -xtarget=pentium4           ;;
1749
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1750
                        *-sse3)             echo -xarch=sse3                 ;;
1751
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1752
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1753
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1754
                        k8|opteron|athlon64|athlon-fx)
1755
                                                  echo -xarch=sse2a          ;;
1756
                        athlon*)                  echo -xarch=pentium_proa   ;;
1757
                    esac
1758
                    ;;
1759
                -std=c99)             echo -xc99              ;;
1760
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1761
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1762
                -Os)                  echo -O5 -xspace        ;;
1763
                -W*,*)                echo $flag              ;;
1764
                -f*-*|-W*)                                    ;;
1765
                *)                    echo $flag              ;;
1766
            esac
1767
        done
1768
    }
1769
fi
1770

    
1771
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1772

    
1773
: ${as_default:=$cc}
1774
: ${dep_cc_default:=$cc}
1775
: ${ld_default:=$cc}
1776
set_default as dep_cc ld
1777

    
1778
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1779
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1780

    
1781
add_cflags $extra_cflags
1782
add_asflags $extra_cflags
1783

    
1784
if test -n "$sysroot"; then
1785
    case "$cc_type" in
1786
        gcc)
1787
            add_cppflags --sysroot="$sysroot"
1788
            add_ldflags --sysroot="$sysroot"
1789
        ;;
1790
        tms470)
1791
            add_cppflags -I"$sysinclude"
1792
            add_ldflags  --sysroot="$sysroot"
1793
        ;;
1794
        clang)
1795
            add_cppflags -isysroot="$sysroot"
1796
            add_ldflags -isysroot="$sysroot"
1797
        ;;
1798
    esac
1799
fi
1800

    
1801
if test "$cpu" = host; then
1802
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1803

    
1804
    case "$cc_type" in
1805
        gcc)
1806
            check_native(){
1807
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1808
                sed -n "/$1=/{
1809
                            s/.*$1=\\([^ ]*\\).*/\\1/
1810
                            p
1811
                            q
1812
                        }" $TMPE
1813
            }
1814
            cpu=$(check_native -march || check_native -mcpu)
1815
        ;;
1816
    esac
1817

    
1818
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1819
fi
1820

    
1821
# Deal with common $arch aliases
1822
case "$arch" in
1823
    arm*)
1824
        arch="arm"
1825
    ;;
1826
    mips|mipsel|IP*)
1827
        arch="mips"
1828
    ;;
1829
    mips64)
1830
        arch="mips"
1831
        subarch="mips64"
1832
    ;;
1833
    parisc|hppa)
1834
        arch="parisc"
1835
    ;;
1836
    parisc64|hppa64)
1837
        arch="parisc"
1838
        subarch="parisc64"
1839
    ;;
1840
    "Power Macintosh"|ppc|powerpc)
1841
        arch="ppc"
1842
    ;;
1843
    ppc64)
1844
        arch="ppc"
1845
        subarch="ppc64"
1846
    ;;
1847
    s390|s390x)
1848
        arch="s390"
1849
    ;;
1850
    sh4|sh)
1851
        arch="sh4"
1852
    ;;
1853
    sun4u|sparc64)
1854
        arch="sparc"
1855
        subarch="sparc64"
1856
    ;;
1857
    i[3-6]86|i86pc|BePC|x86_64|amd64)
1858
        arch="x86"
1859
    ;;
1860
esac
1861

    
1862
is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1863
enable $arch
1864

    
1865
# Add processor-specific flags
1866
if test "$cpu" = generic; then
1867
    : do nothing
1868
elif enabled ppc; then
1869

    
1870
    case $cpu in
1871
        601|ppc601|PowerPC601)
1872
            cpuflags="-mcpu=601"
1873
        ;;
1874
        603*|ppc603*|PowerPC603*)
1875
            cpuflags="-mcpu=603"
1876
        ;;
1877
        604*|ppc604*|PowerPC604*)
1878
            cpuflags="-mcpu=604"
1879
        ;;
1880
        G3|g3|75*|ppc75*|PowerPC75*)
1881
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1882
        ;;
1883
        G4|g4|745*|ppc745*|PowerPC745*)
1884
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1885
        ;;
1886
        74*|ppc74*|PowerPC74*)
1887
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1888
        ;;
1889
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1890
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1891
        ;;
1892
        Cell|CELL|cell)
1893
            cpuflags="-mcpu=cell"
1894
            enable ldbrx
1895
        ;;
1896
    esac
1897

    
1898
elif enabled x86; then
1899

    
1900
    case $cpu in
1901
        i[345]86|pentium)
1902
            cpuflags="-march=$cpu"
1903
            disable mmx
1904
        ;;
1905
        # targets that do NOT support conditional mov (cmov)
1906
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1907
            cpuflags="-march=$cpu"
1908
            disable cmov
1909
        ;;
1910
        # targets that do support conditional mov (cmov)
1911
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1912
            cpuflags="-march=$cpu"
1913
            enable cmov
1914
            enable fast_cmov
1915
        ;;
1916
        # targets that do support conditional mov but on which it's slow
1917
        pentium4|pentium4m|prescott|nocona)
1918
            cpuflags="-march=$cpu"
1919
            enable cmov
1920
            disable fast_cmov
1921
        ;;
1922
    esac
1923

    
1924
elif enabled sparc; then
1925

    
1926
    case $cpu in
1927
        sparc64)
1928
            cpuflags="-mcpu=v9"
1929
        ;;
1930
    esac
1931

    
1932
elif enabled arm; then
1933

    
1934
    case $cpu in
1935
        armv*)
1936
            cpuflags="-march=$cpu"
1937
        ;;
1938
        *)
1939
            cpuflags="-mcpu=$cpu"
1940
        ;;
1941
    esac
1942

    
1943
elif enabled alpha; then
1944

    
1945
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1946

    
1947
elif enabled bfin; then
1948

    
1949
    cpuflags="-mcpu=$cpu"
1950

    
1951
elif enabled mips; then
1952

    
1953
    cpuflags="-march=$cpu"
1954

    
1955
elif enabled avr32; then
1956

    
1957
    case $cpu in
1958
        ap7[02]0[0-2])
1959
            subarch="avr32_ap"
1960
            cpuflags="-mpart=$cpu"
1961
        ;;
1962
        ap)
1963
            subarch="avr32_ap"
1964
            cpuflags="-march=$cpu"
1965
        ;;
1966
        uc3[ab]*)
1967
            subarch="avr32_uc"
1968
            cpuflags="-mcpu=$cpu"
1969
        ;;
1970
        uc)
1971
            subarch="avr32_uc"
1972
            cpuflags="-march=$cpu"
1973
        ;;
1974
    esac
1975

    
1976
fi
1977

    
1978
add_cflags $cpuflags
1979
add_asflags $cpuflags
1980

    
1981
# compiler sanity check
1982
check_exec <<EOF
1983
int main(void){ return 0; }
1984
EOF
1985
if test "$?" != 0; then
1986
    echo "$cc is unable to create an executable file."
1987
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1988
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1989
        echo "Only do this if you know what cross compiling means."
1990
    fi
1991
    die "C compiler test failed."
1992
fi
1993

    
1994
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1995
check_cflags -std=c99
1996
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1997
#include <stdlib.h>
1998
EOF
1999
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2000
#include <stdlib.h>
2001
EOF
2002

    
2003
check_host_cflags -std=c99
2004

    
2005
case "$arch" in
2006
    alpha|ia64|mips|parisc|sparc)
2007
        spic=$shared
2008
    ;;
2009
    x86)
2010
        subarch="x86_32"
2011
        check_cc <<EOF && subarch="x86_64"
2012
        int test[(int)sizeof(char*) - 7];
2013
EOF
2014
        if test "$subarch" = "x86_64"; then
2015
            spic=$shared
2016
        fi
2017
    ;;
2018
esac
2019

    
2020
enable $subarch
2021
enabled spic && enable pic
2022
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2023

    
2024
# OS specific
2025
case $target_os in
2026
    beos|haiku|zeta)
2027
        prefix_default="$HOME/config"
2028
        # 3 gcc releases known for BeOS, each with ugly bugs
2029
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2030
        case "$gcc_version" in
2031
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2032
            disable mmx
2033
            ;;
2034
          *20010315*) echo "BeBits gcc"
2035
            add_cflags -fno-expensive-optimizations
2036
            ;;
2037
        esac
2038
        SHFLAGS=-nostart
2039
        # enable BeOS things
2040
        enable audio_beos
2041
        # no need for libm, but the inet stuff
2042
        # Check for BONE
2043
        # XXX: actually should check for NOT net_server
2044
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2045
            network_extralibs="-lbind -lsocket"
2046
        else
2047
            enable beos_netserver
2048
            network_extralibs="-lnet"
2049
        fi ;;
2050
    sunos)
2051
        FFSERVERLDFLAGS=""
2052
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2053
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2054
        network_extralibs="-lsocket -lnsl"
2055
        add_cppflags -D__EXTENSIONS__
2056
        nm_opts='-P -g'
2057
        ;;
2058
    netbsd)
2059
        oss_indev_extralibs="-lossaudio"
2060
        oss_outdev_extralibs="-lossaudio"
2061
        ;;
2062
    openbsd)
2063
        enable malloc_aligned
2064
        # On OpenBSD 4.5. the compiler does not use PIC unless
2065
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2066
        # however the generated executable will not do anything
2067
        # (simply quits with exit-code 1, no crash, no output).
2068
        # Thus explicitly enable PIC here.
2069
        enable pic
2070
        SHFLAGS='-shared'
2071
        oss_indev_extralibs="-lossaudio"
2072
        oss_outdev_extralibs="-lossaudio"
2073
        ;;
2074
    freebsd|dragonfly)
2075
        enable malloc_aligned
2076
        ;;
2077
    bsd/os)
2078
        osextralibs="-lpoll -lgnugetopt"
2079
        strip="strip -d"
2080
        ;;
2081
    darwin)
2082
        enable malloc_aligned
2083
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2084
        strip="strip -x"
2085
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2086
        SLIBSUF=".dylib"
2087
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2088
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2089
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2090
        objformat="macho"
2091
        enabled x86_64 && objformat="macho64"
2092
        enabled_any pic shared ||
2093
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2094
        ;;
2095
    mingw32*)
2096
        # Adding _WIN32_WINNT=0x0501 makes functions that require
2097
        # XP visible and thus may make it binary incompatible with
2098
        # earlier versions. Set --target-os=mingw32-prexp if this
2099
        # isn't desired.
2100
        test $target_os = "mingw32" && add_cflags -D_WIN32_WINNT=0x0501
2101
        if test $target_os = "mingw32ce"; then
2102
            disable network
2103
        else
2104
            target_os=mingw32
2105
        fi
2106
        LIBTARGET=i386
2107
        if enabled x86_64; then
2108
            enable malloc_aligned
2109
            LIBTARGET=x64
2110
        elif enabled arm; then
2111
            LIBTARGET=arm
2112
        fi
2113
        shlibdir_default="$bindir_default"
2114
        disable ffserver
2115
        SLIBPREF=""
2116
        SLIBSUF=".dll"
2117
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2118
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2119
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2120
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2121
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2122
            install -d "$(LIBDIR)"; \
2123
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2124
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2125
        SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2126
        objformat="win32"
2127
        enable dos_paths
2128
        check_cflags -fno-common
2129
        if ! enabled x86_64; then
2130
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2131
                die "ERROR: MinGW runtime version must be >= 3.15."
2132
            enabled_any avisynth vfwcap_indev &&
2133
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2134
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2135
        fi
2136
        ;;
2137
    cygwin*)
2138
        target_os=cygwin
2139
        shlibdir_default="$bindir_default"
2140
        SLIBPREF="cyg"
2141
        SLIBSUF=".dll"
2142
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2143
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2144
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2145
        objformat="win32"
2146
        enable dos_paths
2147
        check_cflags -fno-common
2148
        ;;
2149
    *-dos|freedos|opendos)
2150
        disable ffplay ffserver
2151
        disable $INDEV_LIST $OUTDEV_LIST
2152
        network_extralibs="-lsocket"
2153
        objformat="coff"
2154
        enable dos_paths
2155
        ;;
2156
    linux)
2157
        enable dv1394
2158
        ;;
2159
    irix*)
2160
        target_os=irix
2161
        ranlib="echo ignoring ranlib"
2162
        ;;
2163
    os/2*)
2164
        strip="lxlite"
2165
        ln_s="cp -f"
2166
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2167
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2168
        FFSERVERLDFLAGS=""
2169
        LIBSUF="_s.a"
2170
        SLIBPREF=""
2171
        SLIBSUF=".dll"
2172
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2173
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2174
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2175
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2176
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2177
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2178
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2179
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2180
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2181
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2182
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2183
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2184
        enable dos_paths
2185
        ;;
2186
    gnu/kfreebsd)
2187
        ;;
2188
    gnu)
2189
        ;;
2190

    
2191
    *)
2192
        die "Unknown OS '$target_os'."
2193
        ;;
2194
esac
2195

    
2196
set_default $PATHS_LIST
2197

    
2198
add_extralibs $osextralibs
2199

    
2200
# Combine FFLDFLAGS and the LDFLAGS environment variable.
2201
LDFLAGS="$FFLDFLAGS $LDFLAGS"
2202

    
2203
# we need to build at least one lib type
2204
if ! enabled_any static shared; then
2205
    cat <<EOF
2206
At least one library type must be built.
2207
Specify --enable-static to build the static libraries or --enable-shared to
2208
build the shared libraries as well. To only build the shared libraries specify
2209
--disable-static in addition to --enable-shared.
2210
EOF
2211
    exit 1;
2212
fi
2213

    
2214
disabled static && LIBNAME=""
2215

    
2216
if enabled_any libfaad libfaadbin ; then
2217
    if check_header faad.h; then
2218
        check_cc <<EOF
2219
#include <faad.h>
2220
#ifndef FAAD2_VERSION
2221
ok faad1
2222
#endif
2223
int main(void) { return 0; }
2224
EOF
2225
        test $? = 0 && enable libfaad2
2226
    else
2227
        die "FAAD test failed."
2228
    fi
2229
fi
2230

    
2231

    
2232
die_license_disabled() {
2233
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2234
}
2235

    
2236
die_license_disabled gpl libfaad2
2237
die_license_disabled gpl libx264
2238
die_license_disabled gpl libxvid
2239
die_license_disabled gpl postproc
2240
die_license_disabled gpl x11grab
2241

    
2242
die_license_disabled nonfree libfaac
2243

    
2244
die_license_disabled version3 libopencore_amrnb
2245
die_license_disabled version3 libopencore_amrwb
2246

    
2247
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2248

    
2249
check_deps $ARCH_EXT_LIST
2250

    
2251
disabled optimizations || check_cflags -fomit-frame-pointer
2252

    
2253
enable_pic() {
2254
    enable pic
2255
    add_cppflags -DPIC
2256
    add_cflags   -fPIC
2257
    add_asflags  -fPIC
2258
}
2259

    
2260
enabled pic && enable_pic
2261

    
2262
check_cc <<EOF || die "Symbol mangling check failed."
2263
int ff_extern;
2264
EOF
2265
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2266
extern_prefix=${sym%%ff_extern*}
2267

    
2268
check_cc <<EOF && enable inline_asm
2269
void foo(void) { __asm__ volatile ("" ::); }
2270
EOF
2271

    
2272
_restrict=
2273
for restrict_keyword in restrict __restrict__ __restrict; do
2274
    check_cc <<EOF && _restrict=$restrict_keyword && break
2275
void foo(char * $restrict_keyword p);
2276
EOF
2277
done
2278

    
2279
check_cc <<EOF && enable attribute_packed
2280
struct { int x; } __attribute__((packed)) x;
2281
EOF
2282

    
2283
check_cc <<EOF || die "endian test failed"
2284
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2285
EOF
2286
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2287

    
2288
if enabled alpha; then
2289

    
2290
    check_cflags -mieee
2291

    
2292
elif enabled arm; then
2293

    
2294
    check_cflags -marm
2295

    
2296
    check_ld <<EOF && enable vfp_args
2297
__asm__ (".eabi_attribute 28, 1");
2298
int main(void) { return 0; }
2299
EOF
2300

    
2301
    # We have to check if pld is a nop and disable it.
2302
    check_asm pld '"pld [r0]"'
2303

    
2304
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2305
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2306
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2307
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2308
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2309
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2310

    
2311
    enabled_all armv6t2 shared !pic && enable_pic
2312

    
2313
elif enabled ia64; then
2314

    
2315
    # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2316
    enabled shared && enable_weak hardcoded_tables
2317

    
2318
elif enabled mips; then
2319

    
2320
    check_asm loongson '"dmult.g $1, $2, $3"'
2321
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2322

    
2323
elif enabled ppc; then
2324

    
2325
    check_asm dcbzl     '"dcbzl 0, 1"'
2326
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2327
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2328

    
2329
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2330
    if enabled altivec; then
2331
        check_cflags -maltivec -mabi=altivec &&
2332
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2333
        check_cflags -faltivec
2334

    
2335
        # check if our compiler supports Motorola AltiVec C API
2336
        check_cc <<EOF || disable altivec
2337
$inc_altivec_h
2338
int main(void) {
2339
    vector signed int v1, v2, v3;
2340
    v1 = vec_add(v2,v3);
2341
    return 0;
2342
}
2343
EOF
2344

    
2345
        # check if our compiler supports braces for vector declarations
2346
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2347
$inc_altivec_h
2348
int main (void) { (vector int) {1}; return 0; }
2349
EOF
2350
    fi
2351

    
2352
elif enabled sparc; then
2353

    
2354
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2355
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2356

    
2357
elif enabled x86; then
2358

    
2359
    # check whether EBP is available on x86
2360
    # As 'i' is stored on the stack, this program will crash
2361
    # if the base pointer is used to access it because the
2362
    # base pointer is cleared in the inline assembly code.
2363
    check_exec_crash <<EOF && enable ebp_available
2364
    volatile int i=0;
2365
    __asm__ volatile (
2366
        "xorl %%ebp, %%ebp"
2367
    ::: "%ebp");
2368
    return i;
2369
EOF
2370

    
2371
    # check whether EBX is available on x86
2372
    check_asm ebx_available '""::"b"(0)' &&
2373
        check_asm ebx_available '"":::"%ebx"'
2374

    
2375
    # check whether more than 10 operands are supported
2376
    check_cc <<EOF && enable ten_operands
2377
int main(void) {
2378
    int x=0;
2379
    __asm__ volatile(
2380
        ""
2381
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2382
    );
2383
    return 0;
2384
}
2385
EOF
2386

    
2387
    # check whether binutils is new enough to compile SSSE3/MMX2
2388
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2389
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2390

    
2391
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2392

    
2393
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2394
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2395
    enabled     pic           && append YASMFLAGS "-DPIC"
2396
    test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2397
    case "$objformat" in
2398
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2399
    esac
2400
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2401

    
2402
    case "$cpu" in
2403
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2404
            disable fast_clz
2405
        ;;
2406
    esac
2407

    
2408
fi
2409

    
2410
if check_func dlopen; then
2411
    ldl=
2412
elif check_func dlopen -ldl; then
2413
    ldl=-ldl
2414
fi
2415

    
2416
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2417
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2418

    
2419
check_func  fork
2420
check_func  getaddrinfo $network_extralibs
2421
check_func  gethrtime
2422
check_func  getrusage
2423
check_func  inet_aton $network_extralibs
2424
check_func  isatty
2425
check_func  memalign
2426
check_func  mkstemp
2427
check_func  posix_memalign
2428
check_func_headers io.h setmode
2429
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2430
check_func_headers windows.h GetProcessTimes
2431
check_func_headers windows.h VirtualAlloc
2432

    
2433
check_header conio.h
2434
check_header dlfcn.h
2435
check_header dxva2api.h
2436
check_header malloc.h
2437
check_header poll.h
2438
check_header sys/mman.h
2439
check_header sys/resource.h
2440
check_header sys/select.h
2441
check_header termios.h
2442
check_header vdpau/vdpau.h
2443
check_header vdpau/vdpau_x11.h
2444
check_header X11/extensions/XvMClib.h
2445

    
2446
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2447

    
2448
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2449
     enabled_any $need_memalign ; then
2450
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2451
fi
2452

    
2453
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2454
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2455

    
2456
# check for some common methods of building with pthread support
2457
# do this before the optional library checks as some of them require pthreads
2458
if enabled pthreads; then
2459
    if check_func pthread_create; then
2460
        :
2461
    elif check_func pthread_create -pthread; then
2462
        add_cflags -pthread
2463
        add_extralibs -pthread
2464
    elif check_func pthread_create -pthreads; then
2465
        add_cflags -pthreads
2466
        add_extralibs -pthreads
2467
    elif check_func pthread_create -lpthreadGC2; then
2468
        add_extralibs -lpthreadGC2
2469
    elif ! check_lib pthread.h pthread_create -lpthread; then
2470
        die "ERROR: can't find pthreads library"
2471
    fi
2472
fi
2473

    
2474
for thread in $THREADS_LIST; do
2475
    if enabled $thread; then
2476
        test -n "$thread_type" &&
2477
            die "ERROR: Only one thread type must be selected." ||
2478
            thread_type="$thread"
2479
    fi
2480
done
2481

    
2482
check_lib math.h sin -lm
2483
check_lib va/va.h vaInitialize -lva
2484

    
2485
check_func exp2
2486
check_func exp2f
2487
check_func llrint
2488
check_func log2
2489
check_func log2f
2490
check_func lrint
2491
check_func lrintf
2492
check_func round
2493
check_func roundf
2494
check_func truncf
2495

    
2496
# these are off by default, so fail if requested and not available
2497
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2498
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2499
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2500
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2501
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2502
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2503
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2504
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2505
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2506
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2507
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2508
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2509
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2510
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2511
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2512
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2513
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2514
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
2515
                      { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2516
                        die "ERROR: libx264 version must be >= 0.83."; }
2517
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2518
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2519

    
2520
# libdc1394 check
2521
if enabled libdc1394; then
2522
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2523
        enable libdc1394_2; } ||
2524
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2525
        enable libdc1394_1; } ||
2526
    die "ERROR: No version of libdc1394 found "
2527
fi
2528

    
2529
SDL_CONFIG="${cross_prefix}sdl-config"
2530
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2531
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2532
    sdl_libs=$("${SDL_CONFIG}" --libs)
2533
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2534
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2535
    enable sdl &&
2536
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2537
fi
2538

    
2539
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2540

    
2541
if enabled network; then
2542
    check_type "sys/types.h sys/socket.h" socklen_t
2543
    check_type netdb.h "struct addrinfo"
2544
    check_type netinet/in.h "struct ipv6_mreq"
2545
    check_type netinet/in.h "struct sockaddr_in6"
2546
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2547
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2548
    # Prefer arpa/inet.h over winsock2
2549
    if check_header arpa/inet.h ; then
2550
        check_func closesocket
2551
    elif check_header winsock2.h ; then
2552
        check_func_headers winsock2.h closesocket -lws2 && \
2553
            network_extralibs="-lws2" || \
2554
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2555
            network_extralibs="-lws2_32"; }
2556
        # getaddrinfo is available if _WIN32_WINNT >= 0x0501 is defined
2557
        check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
2558
        check_type ws2tcpip.h socklen_t
2559
        check_type ws2tcpip.h "struct addrinfo"
2560
        check_type ws2tcpip.h "struct ipv6_mreq"
2561
        check_type ws2tcpip.h "struct sockaddr_in6"
2562
        check_type ws2tcpip.h "struct sockaddr_storage"
2563
        check_struct winsock2.h "struct sockaddr" sa_len
2564
    else
2565
        disable network
2566
    fi
2567
fi
2568

    
2569
check_header linux/videodev.h
2570
check_header linux/videodev2.h
2571
check_header sys/videoio.h
2572

    
2573
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2574

    
2575
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2576
{ check_header dev/bktr/ioctl_meteor.h &&
2577
  check_header dev/bktr/ioctl_bt848.h; } ||
2578
{ check_header machine/ioctl_meteor.h &&
2579
  check_header machine/ioctl_bt848.h; } ||
2580
{ check_header dev/video/meteor/ioctl_meteor.h &&
2581
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2582
check_header dev/ic/bt8xx.h
2583

    
2584
check_header sys/soundcard.h
2585
check_header soundcard.h
2586

    
2587
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2588

    
2589
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2590

    
2591
enabled x11grab                         &&
2592
check_header X11/Xlib.h                 &&
2593
check_header X11/extensions/XShm.h      &&
2594
check_header X11/extensions/Xfixes.h    &&
2595
check_func XOpenDisplay -lX11           &&
2596
check_func XShmCreateImage -lX11 -lXext &&
2597
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2598

    
2599
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2600
check_cpp_condition \
2601
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2602
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2603
      disable vdpau; }
2604
fi
2605

    
2606
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2607

    
2608
# add some useful compiler flags if supported
2609
check_cflags -Wdeclaration-after-statement
2610
check_cflags -Wall
2611
check_cflags -Wno-switch
2612
check_cflags -Wdisabled-optimization
2613
check_cflags -Wpointer-arith
2614
check_cflags -Wredundant-decls
2615
check_cflags -Wno-pointer-sign
2616
check_cflags -Wcast-qual
2617
check_cflags -Wwrite-strings
2618
check_cflags -Wtype-limits
2619
check_cflags -Wundef
2620
enabled extra_warnings && check_cflags -Winline
2621

    
2622
# add some linker flags
2623
check_ldflags -Wl,--warn-common
2624
check_ldflags -Wl,--as-needed
2625
check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2626
check_ldflags -Wl,-Bsymbolic
2627

    
2628
echo "X{};" > $TMPV
2629
test_ldflags -Wl,--version-script,$TMPV &&
2630
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2631

    
2632
if enabled small; then
2633
    check_cflags -Os            # not all compilers support -Os
2634
    optimizations="small"
2635
elif enabled optimizations; then
2636
    if enabled xlc; then
2637
        add_cflags  -O5
2638
        add_ldflags -O5
2639
    elif enabled suncc; then
2640
        add_cflags -O5
2641
    elif enabled ccc; then
2642
        add_cflags -fast
2643
    else
2644
        add_cflags -O3
2645
    fi
2646
fi
2647
check_cflags -fno-math-errno
2648
check_cflags -fno-signed-zeros
2649

    
2650
if enabled icc; then
2651
    # Just warnings, no remarks
2652
    check_cflags -w1
2653
    # -wd: Disable following warnings
2654
    # 144, 167, 556: -Wno-pointer-sign
2655
    # 10006: ignoring unknown option -fno-signed-zeros
2656
    # 10156: ignoring option '-W'; no argument required
2657
    check_cflags -wd144,167,556,10006,10156
2658
    # 11030: Warning unknown option --as-needed
2659
    # 10156: ignoring option '-export'; no argument required
2660
    check_ldflags -wd10156,11030
2661
    # Allow to compile with optimizations
2662
    check_ldflags -march=$cpu
2663
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2664
    enable ebp_available
2665
elif enabled ccc; then
2666
    # disable some annoying warnings
2667
    add_cflags -msg_disable cvtu32to64
2668
    add_cflags -msg_disable embedcomment
2669
    add_cflags -msg_disable needconstext
2670
    add_cflags -msg_disable nomainieee
2671
    add_cflags -msg_disable ptrmismatch1
2672
    add_cflags -msg_disable unreachcode
2673
elif enabled gcc; then
2674
    check_cflags -fno-tree-vectorize
2675
elif enabled clang; then
2676
    check_cflags -Qunused-arguments
2677
elif enabled armcc; then
2678
    # 2523: use of inline assembler is deprecated
2679
    add_cflags -Wrvct,--diag_suppress=2523
2680
elif enabled tms470; then
2681
    add_cflags -pds=824 -pds=837
2682
fi
2683

    
2684
if enabled gprof; then
2685
    add_cflags  -p
2686
    add_ldflags -p
2687
fi
2688

    
2689
# Find out if the .align argument is a power of two or not.
2690
check_asm asmalign_pot '".align 3"'
2691

    
2692
enabled_any $DECODER_LIST      && enable decoders
2693
enabled_any $ENCODER_LIST      && enable encoders
2694
enabled_any $HWACCEL_LIST      && enable hwaccels
2695
enabled_any $BSF_LIST          && enable bsfs
2696
enabled_any $DEMUXER_LIST      && enable demuxers
2697
enabled_any $MUXER_LIST        && enable muxers
2698
enabled_any $FILTER_LIST       && enable filters
2699
enabled_any $INDEV_LIST        && enable indevs
2700
enabled_any $OUTDEV_LIST       && enable outdevs
2701
enabled_any $PROTOCOL_LIST     && enable protocols
2702

    
2703
enabled_any $THREADS_LIST      && enable threads
2704

    
2705
check_deps $CONFIG_LIST       \
2706
           $CONFIG_EXTRA      \
2707
           $HAVE_LIST         \
2708
           $DECODER_LIST      \
2709
           $ENCODER_LIST      \
2710
           $HWACCEL_LIST      \
2711
           $PARSER_LIST       \
2712
           $BSF_LIST          \
2713
           $DEMUXER_LIST      \
2714
           $MUXER_LIST        \
2715
           $FILTER_LIST       \
2716
           $INDEV_LIST        \
2717
           $OUTDEV_LIST       \
2718
           $PROTOCOL_LIST     \
2719

    
2720
enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2721

    
2722
echo "install prefix            $prefix"
2723
echo "source path               $source_path"
2724
echo "C compiler                $cc"
2725
echo ".align is power-of-two    $asmalign_pot"
2726
echo "ARCH                      $arch ($cpu)"
2727
if test "$build_suffix" != ""; then
2728
    echo "build suffix              $build_suffix"
2729
fi
2730
if test "$extra_version" != ""; then
2731
    echo "version string suffix     $extra_version"
2732
fi
2733
echo "big-endian                ${bigendian-no}"
2734
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2735
if enabled x86; then
2736
    echo "yasm                      ${yasm-no}"
2737
    echo "MMX enabled               ${mmx-no}"
2738
    echo "MMX2 enabled              ${mmx2-no}"
2739
    echo "3DNow! enabled            ${amd3dnow-no}"
2740
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2741
    echo "SSE enabled               ${sse-no}"
2742
    echo "SSSE3 enabled             ${ssse3-no}"
2743
    echo "CMOV enabled              ${cmov-no}"
2744
    echo "CMOV is fast              ${fast_cmov-no}"
2745
    echo "EBX available             ${ebx_available-no}"
2746
    echo "EBP available             ${ebp_available-no}"
2747
    echo "10 operands supported     ${ten_operands-no}"
2748
fi
2749
if enabled arm; then
2750
    echo "ARMv5TE enabled           ${armv5te-no}"
2751
    echo "ARMv6 enabled             ${armv6-no}"
2752
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2753
    echo "ARM VFP enabled           ${armvfp-no}"
2754
    echo "IWMMXT enabled            ${iwmmxt-no}"
2755
    echo "NEON enabled              ${neon-no}"
2756
fi
2757
if enabled mips; then
2758
    echo "MMI enabled               ${mmi-no}"
2759
fi
2760
if enabled ppc; then
2761
    echo "AltiVec enabled           ${altivec-no}"
2762
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2763
    echo "dcbzl available           ${dcbzl-no}"
2764
    echo "performance report        ${powerpc_perf-no}"
2765
fi
2766
if enabled sparc; then
2767
    echo "VIS enabled               ${vis-no}"
2768
fi
2769
echo "gprof enabled             ${gprof-no}"
2770
echo "debug symbols             ${debug-no}"
2771
echo "strip symbols             ${stripping-no}"
2772
echo "optimizations             ${optimizations-no}"
2773
echo "static                    ${static-no}"
2774
echo "shared                    ${shared-no}"
2775
echo "postprocessing support    ${postproc-no}"
2776
echo "new filter support        ${avfilter-no}"
2777
echo "filters using lavformat   ${avfilter_lavf-no}"
2778
echo "network support           ${network-no}"
2779
echo "threading support         ${thread_type-no}"
2780
echo "SDL support               ${sdl-no}"
2781
echo "Sun medialib support      ${mlib-no}"
2782
echo "AVISynth enabled          ${avisynth-no}"
2783
echo "libdc1394 support         ${libdc1394-no}"
2784
echo "libdirac enabled          ${libdirac-no}"
2785
echo "libfaac enabled           ${libfaac-no}"
2786
echo "libfaad enabled           ${libfaad-no}"
2787
echo "libfaad dlopened          ${libfaadbin-no}"
2788
echo "libgsm enabled            ${libgsm-no}"
2789
echo "libmp3lame enabled        ${libmp3lame-no}"
2790
echo "libnut enabled            ${libnut-no}"
2791
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2792
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2793
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2794
echo "libschroedinger enabled   ${libschroedinger-no}"
2795
echo "libspeex enabled          ${libspeex-no}"
2796
echo "libtheora enabled         ${libtheora-no}"
2797
echo "libvorbis enabled         ${libvorbis-no}"
2798
echo "libx264 enabled           ${libx264-no}"
2799
echo "libxvid enabled           ${libxvid-no}"
2800
echo "zlib enabled              ${zlib-no}"
2801
echo "bzlib enabled             ${bzlib-no}"
2802
echo
2803

    
2804
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2805
    echo "Enabled ${type}s:"
2806
    eval list=\$$(toupper $type)_LIST
2807
    for part in $list; do
2808
        enabled $part && echo ${part%_*}
2809
    done | sort | pr -3 -t
2810
    echo
2811
done
2812

    
2813
license="LGPL version 2.1 or later"
2814
if enabled nonfree; then
2815
    license="nonfree and unredistributable"
2816
elif enabled gplv3; then
2817
    license="GPL version 3 or later"
2818
elif enabled lgplv3; then
2819
    license="LGPL version 3 or later"
2820
elif enabled gpl; then
2821
    license="GPL version 2 or later"
2822
fi
2823

    
2824
echo "License: $license"
2825

    
2826
echo "Creating config.mak and config.h..."
2827

    
2828
# build tree in object directory if source path is different from current one
2829
if enabled source_path_used; then
2830
    DIRS="
2831
        doc
2832
        libavcodec
2833
        libavcodec/$arch
2834
        libavdevice
2835
        libavfilter
2836
        libavformat
2837
        libavutil
2838
        libavutil/$arch
2839
        libpostproc
2840
        libswscale
2841
        libswscale/$arch
2842
        tests
2843
        tools
2844
    "
2845
    FILES="
2846
        Makefile
2847
        common.mak
2848
        subdir.mak
2849
        doc/texi2pod.pl
2850
        libavcodec/Makefile
2851
        libavdevice/Makefile
2852
        libavfilter/Makefile
2853
        libavformat/Makefile
2854
        libavutil/Makefile
2855
        libpostproc/Makefile
2856
        libswscale/Makefile
2857
    "
2858
    for dir in $DIRS ; do
2859
        mkdir -p $dir
2860
    done
2861
    for f in $FILES ; do
2862
        $ln_s "$source_path/$f" $f
2863
    done
2864
fi
2865

    
2866
enabled stripping || strip="echo skipping strip"
2867

    
2868
cat > config.mak <<EOF
2869
# Automatically generated by configure - do not modify!
2870
ifndef FFMPEG_CONFIG_MAK
2871
FFMPEG_CONFIG_MAK=1
2872
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2873
prefix=$prefix
2874
LIBDIR=\$(DESTDIR)$libdir
2875
SHLIBDIR=\$(DESTDIR)$shlibdir
2876
INCDIR=\$(DESTDIR)$incdir
2877
BINDIR=\$(DESTDIR)$bindir
2878
DATADIR=\$(DESTDIR)$datadir
2879
MANDIR=\$(DESTDIR)$mandir
2880
SRC_PATH="$source_path"
2881
SRC_PATH_BARE=$source_path
2882
BUILD_ROOT="$PWD"
2883
ARCH=$arch
2884
CC=$cc
2885
AS=$as
2886
LD=$ld
2887
DEPCC=$dep_cc
2888
YASM=$yasmexe
2889
AR=$ar
2890
RANLIB=$ranlib
2891
LN_S=$ln_s
2892
STRIP=$strip
2893
CPPFLAGS=$CPPFLAGS
2894
CFLAGS=$CFLAGS
2895
ASFLAGS=$ASFLAGS
2896
CC_O=$CC_O
2897
LDFLAGS=$LDFLAGS
2898
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2899
SHFLAGS=$SHFLAGS
2900
YASMFLAGS=$YASMFLAGS
2901
BUILDSUF=$build_suffix
2902
FULLNAME=$FULLNAME
2903
LIBPREF=$LIBPREF
2904
LIBSUF=$LIBSUF
2905
LIBNAME=$LIBNAME
2906
SLIBPREF=$SLIBPREF
2907
SLIBSUF=$SLIBSUF
2908
EXESUF=$EXESUF
2909
EXTRA_VERSION=$extra_version
2910
DEPFLAGS=$DEPFLAGS
2911
CCDEP=$CCDEP
2912
ASDEP=$ASDEP
2913
CC_DEPFLAGS=$CC_DEPFLAGS
2914
AS_DEPFLAGS=$AS_DEPFLAGS
2915
HOSTCC=$host_cc
2916
HOSTCFLAGS=$host_cflags
2917
HOSTEXESUF=$HOSTEXESUF
2918
HOSTLDFLAGS=$host_ldflags
2919
HOSTLIBS=$host_libs
2920
TARGET_EXEC=$target_exec
2921
TARGET_PATH=$target_path
2922
SDL_LIBS=$sdl_libs
2923
SDL_CFLAGS=$sdl_cflags
2924
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2925
EXTRALIBS=$extralibs
2926
EOF
2927

    
2928
get_version(){
2929
    name=$1
2930
    file=$source_path/$2
2931
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2932
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2933
    lcname=$(tolower $name)
2934
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2935
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2936
}
2937

    
2938
get_version LIBSWSCALE  libswscale/swscale.h
2939
get_version LIBPOSTPROC libpostproc/postprocess.h
2940
get_version LIBAVCODEC  libavcodec/avcodec.h
2941
get_version LIBAVDEVICE libavdevice/avdevice.h
2942
get_version LIBAVFORMAT libavformat/avformat.h
2943
get_version LIBAVUTIL   libavutil/avutil.h
2944
get_version LIBAVFILTER libavfilter/avfilter.h
2945

    
2946
enabled shared && cat >> config.mak <<EOF
2947
LIBTARGET=${LIBTARGET}
2948
SLIBNAME=${SLIBNAME}
2949
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2950
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2951
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2952
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2953
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2954
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2955
EOF
2956

    
2957
enabled asmalign_pot || align_shift="1 <<"
2958

    
2959
cat > $TMPH <<EOF
2960
/* Automatically generated by configure - do not modify! */
2961
#ifndef FFMPEG_CONFIG_H
2962
#define FFMPEG_CONFIG_H
2963
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
2964
#define FFMPEG_LICENSE "$(c_escape $license)"
2965
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2966
#define CC_TYPE "$cc_type"
2967
#define CC_VERSION $cc_version
2968
#define restrict $_restrict
2969
#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
2970
#define EXTERN_PREFIX "${extern_prefix}"
2971
#define EXTERN_ASM ${extern_prefix}
2972
EOF
2973

    
2974
if enabled small || disabled optimizations; then
2975
    echo "#define av_always_inline"  >> $TMPH
2976
fi
2977

    
2978
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2979
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2980
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2981
                                      $CONFIG_EXTRA      \
2982
                                      $DECODER_LIST      \
2983
                                      $ENCODER_LIST      \
2984
                                      $HWACCEL_LIST      \
2985
                                      $PARSER_LIST       \
2986
                                      $BSF_LIST          \
2987
                                      $DEMUXER_LIST      \
2988
                                      $MUXER_LIST        \
2989
                                      $FILTER_LIST       \
2990
                                      $PROTOCOL_LIST     \
2991
                                      $INDEV_LIST        \
2992
                                      $OUTDEV_LIST       \
2993

    
2994
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2995
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2996

    
2997
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2998
cp_if_changed $TMPH config.h
2999

    
3000
cat > $TMPH <<EOF
3001
/* Generated by ffconf */
3002
#ifndef AVUTIL_AVCONFIG_H
3003
#define AVUTIL_AVCONFIG_H
3004
EOF
3005

    
3006
print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3007

    
3008
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3009

    
3010
cp_if_changed $TMPH libavutil/avconfig.h
3011

    
3012
# build pkg-config files
3013

    
3014
pkgconfig_generate(){
3015
name=$1
3016
shortname=${name#lib}${build_suffix}
3017
comment=$2
3018
version=$3
3019
libs=$4
3020
requires=$5
3021
cat <<EOF > $name/$name.pc
3022
prefix=$prefix
3023
exec_prefix=\${prefix}
3024
libdir=$libdir
3025
includedir=$incdir
3026

    
3027
Name: $name
3028
Description: $comment
3029
Version: $version
3030
Requires: $(enabled shared || echo $requires)
3031
Requires.private: $(enabled shared && echo $requires)
3032
Conflicts:
3033
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3034
Libs.private: $(enabled shared && echo $libs)
3035
Cflags: -I\${includedir}
3036
EOF
3037
cat <<EOF > $name/$name-uninstalled.pc
3038
prefix=
3039
exec_prefix=
3040
libdir=\${pcfiledir}
3041
includedir=${source_path}
3042

    
3043
Name: $name
3044
Description: $comment
3045
Version: $version
3046
Requires: $requires
3047
Conflicts:
3048
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3049
Cflags: -I\${includedir}
3050
EOF
3051
}
3052

    
3053
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3054
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3055
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3056
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3057
enabled avfilter &&
3058
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3059
enabled postproc &&
3060
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3061
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"