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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
16

    
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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
84
  --disable-ffplay         disable ffplay build
85
  --disable-ffserver       disable ffserver build
86
  --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]
89
  --enable-beosthreads     use BeOS threads [no]
90
  --enable-os2threads      use OS/2 threads [no]
91
  --enable-pthreads        use pthreads [no]
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  --enable-w32threads      use Win32 threads [no]
93
  --enable-x11grab         enable X11 grabbing [no]
94
  --disable-network        disable network support [no]
95
  --disable-ipv6           disable IPv6 support [no]
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  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
97
  --enable-gray            enable full grayscale support (slower color)
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  --disable-swscale-alpha  disable alpha channel support in swscale
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  --disable-fastdiv        disable table-based division
100
  --enable-small           optimize for size instead of speed
101
  --disable-aandct         disable AAN DCT code
102
  --disable-dct            disable DCT code
103
  --disable-fft            disable FFT code
104
  --disable-golomb         disable Golomb code
105
  --disable-lpc            disable LPC code
106
  --disable-mdct           disable MDCT code
107
  --disable-rdft           disable RDFT code
108
  --disable-vaapi          disable VAAPI code
109
  --disable-vdpau          disable VDPAU code
110
  --disable-dxva2          disable DXVA2 code
111
  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
112
  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
113
  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
114
  --enable-beos-netserver  enable BeOS netserver
115
  --disable-encoder=NAME   disable encoder NAME
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  --enable-encoder=NAME    enable encoder NAME
117
  --disable-encoders       disable all encoders
118
  --disable-decoder=NAME   disable decoder NAME
119
  --enable-decoder=NAME    enable decoder NAME
120
  --disable-decoders       disable all decoders
121
  --disable-hwaccel=NAME   disable hwaccel NAME
122
  --enable-hwaccel=NAME    enable hwaccel NAME
123
  --disable-hwaccels       disable all hwaccels
124
  --disable-muxer=NAME     disable muxer NAME
125
  --enable-muxer=NAME      enable muxer NAME
126
  --disable-muxers         disable all muxers
127
  --disable-demuxer=NAME   disable demuxer NAME
128
  --enable-demuxer=NAME    enable demuxer NAME
129
  --disable-demuxers       disable all demuxers
130
  --enable-parser=NAME     enable parser NAME
131
  --disable-parser=NAME    disable parser NAME
132
  --disable-parsers        disable all parsers
133
  --enable-bsf=NAME        enable bitstream filter NAME
134
  --disable-bsf=NAME       disable bitstream filter NAME
135
  --disable-bsfs           disable all bitstream filters
136
  --enable-protocol=NAME   enable protocol NAME
137
  --disable-protocol=NAME  disable protocol NAME
138
  --disable-protocols      disable all protocols
139
  --disable-indev=NAME     disable input device NAME
140
  --disable-outdev=NAME    disable output device NAME
141
  --disable-indevs         disable input devices
142
  --disable-outdevs        disable output devices
143
  --disable-devices        disable all devices
144
  --enable-filter=NAME     enable filter NAME
145
  --disable-filter=NAME    disable filter NAME
146
  --disable-filters        disable all filters
147
  --list-decoders          show all available decoders
148
  --list-encoders          show all available encoders
149
  --list-hwaccels          show all available hardware accelerators
150
  --list-muxers            show all available muxers
151
  --list-demuxers          show all available demuxers
152
  --list-parsers           show all available parsers
153
  --list-protocols         show all available protocols
154
  --list-bsfs              show all available bitstream filters
155
  --list-indevs            show all available input devices
156
  --list-outdevs           show all available output devices
157
  --list-filters           show all available filters
158

    
159
External library support:
160
  --enable-avisynth        enable reading of AVISynth script files [no]
161
  --enable-bzlib           enable bzlib [autodetect]
162
  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
163
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
164
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
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                           and libraw1394 [no]
166
  --enable-libdirac        enable Dirac support via libdirac [no]
167
  --enable-libfaac         enable FAAC support via libfaac [no]
168
  --enable-libfaad         enable FAAD support via libfaad [no]
169
  --enable-libfaadbin      open libfaad.so.0 at runtime [no]
170
  --enable-libgsm          enable GSM support via libgsm [no]
171
  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
172
  --enable-libnut          enable NUT (de)muxing via libnut,
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                           native (de)muxer exists [no]
174
  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
175
  --enable-libschroedinger enable Dirac support via libschroedinger [no]
176
  --enable-libspeex        enable Speex decoding via libspeex [no]
177
  --enable-libtheora       enable Theora encoding via libtheora [no]
178
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
179
                           native implementation exists [no]
180
  --enable-libx264         enable H.264 encoding via x264 [no]
181
  --enable-libxvid         enable Xvid encoding via xvidcore,
182
                           native MPEG-4/Xvid encoder exists [no]
183
  --enable-mlib            enable Sun medialib [no]
184
  --enable-zlib            enable zlib [autodetect]
185

    
186
Advanced options (experts only):
187
  --source-path=PATH       path to source code [$source_path]
188
  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
189
  --enable-cross-compile   assume a cross-compiler is used
190
  --sysroot=PATH           root of cross-build tree
191
  --sysinclude=PATH        location of cross-build system headers
192
  --target-os=OS           compiler targets OS [$target_os]
193
  --target-exec=CMD        command to run executables on target
194
  --target-path=DIR        path to view of build directory on target
195
  --nm=NM                  use nm tool
196
  --as=AS                  use assembler AS [$as_default]
197
  --cc=CC                  use C compiler CC [$cc_default]
198
  --ld=LD                  use linker LD
199
  --host-cc=HOSTCC         use host C compiler HOSTCC
200
  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
201
  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
202
  --host-libs=HLIBS        use libs HLIBS when linking for host
203
  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
204
  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
205
  --extra-libs=ELIBS       add ELIBS [$ELIBS]
206
  --extra-version=STRING   version string suffix []
207
  --build-suffix=SUFFIX    library name suffix []
208
  --arch=ARCH              select architecture [$arch]
209
  --cpu=CPU                select the minimum required CPU (affects
210
                           instruction selection, may crash on older CPUs)
211
  --enable-powerpc-perf    enable performance report on PPC
212
                           (requires enabling PMC)
213
  --disable-asm            disable all assembler optimizations
214
  --disable-altivec        disable AltiVec optimizations
215
  --disable-amd3dnow       disable 3DNow! optimizations
216
  --disable-amd3dnowext    disable 3DNow! extended optimizations
217
  --disable-mmx            disable MMX optimizations
218
  --disable-mmx2           disable MMX2 optimizations
219
  --disable-sse            disable SSE optimizations
220
  --disable-ssse3          disable SSSE3 optimizations
221
  --disable-armv5te        disable armv5te optimizations
222
  --disable-armv6          disable armv6 optimizations
223
  --disable-armv6t2        disable armv6t2 optimizations
224
  --disable-armvfp         disable ARM VFP optimizations
225
  --disable-iwmmxt         disable iwmmxt optimizations
226
  --disable-mmi            disable MMI optimizations
227
  --disable-neon           disable neon optimizations
228
  --disable-vis            disable VIS optimizations
229
  --disable-yasm           disable use of yasm assembler
230
  --enable-pic             build position-independent code
231

    
232
Developer options (useful when working on FFmpeg itself):
233
  --disable-debug          disable debugging symbols
234
  --enable-debug=LEVEL     set the debug level [$debuglevel]
235
  --enable-gprof           enable profiling with gprof [$gprof]
236
  --disable-optimizations  disable compiler optimizations
237
  --enable-extra-warnings  enable more compiler warnings
238
  --disable-stripping      disable stripping of executables and shared libraries
239

    
240
NOTE: Object files are built at the place where configure is launched.
241
EOF
242
  exit 0
243
}
244

    
245
log(){
246
    echo "$@" >> $logfile
247
}
248

    
249
log_file(){
250
    log BEGIN $1
251
    pr -n -t $1 >> $logfile
252
    log END $1
253
}
254

    
255
echolog(){
256
    log "$@"
257
    echo "$@"
258
}
259

    
260
die(){
261
    echolog "$@"
262
    cat <<EOF
263

    
264
If you think configure made a mistake, make sure you are using the latest
265
version from SVN.  If the latest version fails, report the problem to the
266
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
267
EOF
268
    if disabled logging; then
269
        cat <<EOF
270
Rerun configure with logging enabled (do not use --disable-logging), and
271
include the log this produces with your report.
272
EOF
273
    else
274
cat <<EOF
275
Include the log file "$logfile" produced by configure as this will help
276
solving the problem.
277
EOF
278
    fi
279
    exit 1
280
}
281

    
282
# Avoid locale weirdness, besides we really just want to translate ASCII.
283
toupper(){
284
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
285
}
286

    
287
tolower(){
288
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
289
}
290

    
291
c_escape(){
292
    echo "$*" | sed 's/["\\]/\\\0/g'
293
}
294

    
295
sh_quote(){
296
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
297
    test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
298
    echo "$v"
299
}
300

    
301
filter(){
302
    pat=$1
303
    shift
304
    for v; do
305
        eval "case $v in $pat) echo $v ;; esac"
306
    done
307
}
308

    
309
set_all(){
310
    value=$1
311
    shift
312
    for var in $*; do
313
        eval $var=$value
314
    done
315
}
316

    
317
set_weak(){
318
    value=$1
319
    shift
320
    for var; do
321
        eval : \${$var:=$value}
322
    done
323
}
324

    
325
pushvar(){
326
    for var in $*; do
327
        eval level=\${${var}_level:=0}
328
        eval ${var}_${level}="\$$var"
329
        eval ${var}_level=$(($level+1))
330
    done
331
}
332

    
333
popvar(){
334
    for var in $*; do
335
        eval level=\${${var}_level:-0}
336
        test $level = 0 && continue
337
        eval level=$(($level-1))
338
        eval $var="\${${var}_${level}}"
339
        eval ${var}_level=$level
340
        eval unset ${var}_${level}
341
    done
342
}
343

    
344
enable(){
345
    set_all yes $*
346
}
347

    
348
disable(){
349
    set_all no $*
350
}
351

    
352
enable_weak(){
353
    set_weak yes $*
354
}
355

    
356
disable_weak(){
357
    set_weak no $*
358
}
359

    
360
enable_safe(){
361
    for var; do
362
        enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
363
    done
364
}
365

    
366
disable_safe(){
367
    for var; do
368
        disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
369
    done
370
}
371

    
372
do_enable_deep(){
373
    for var; do
374
        enabled $var && continue
375
        eval sel="\$${var}_select"
376
        eval sgs="\$${var}_suggest"
377
        pushvar var sgs
378
        enable_deep $sel
379
        popvar sgs
380
        enable_deep_weak $sgs
381
        popvar var
382
    done
383
}
384

    
385
enable_deep(){
386
    do_enable_deep $*
387
    enable $*
388
}
389

    
390
enable_deep_weak(){
391
    do_enable_deep $*
392
    enable_weak $*
393
}
394

    
395
enabled(){
396
    test "${1#!}" = "$1" && op== || op=!=
397
    eval test "x\$${1#!}" $op "xyes"
398
}
399

    
400
disabled(){
401
    test "${1#!}" = "$1" && op== || op=!=
402
    eval test "x\$${1#!}" $op "xno"
403
}
404

    
405
enabled_all(){
406
    for opt; do
407
        enabled $opt || return 1
408
    done
409
}
410

    
411
disabled_all(){
412
    for opt; do
413
        disabled $opt || return 1
414
    done
415
}
416

    
417
enabled_any(){
418
    for opt; do
419
        enabled $opt && return 0
420
    done
421
}
422

    
423
disabled_any(){
424
    for opt; do
425
        disabled $opt && return 0
426
    done
427
    return 1
428
}
429

    
430
set_default(){
431
    for opt; do
432
        eval : \${$opt:=\$${opt}_default}
433
    done
434
}
435

    
436
is_in(){
437
    value=$1
438
    shift
439
    for var in $*; do
440
        [ $var = $value ] && return 0
441
    done
442
    return 1
443
}
444

    
445
check_deps(){
446
    for cfg; do
447
        cfg="${cfg#!}"
448
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
449
        disabled ${cfg}_checking && continue
450
        enable ${cfg}_checking
451

    
452
        eval dep_all="\$${cfg}_deps"
453
        eval dep_any="\$${cfg}_deps_any"
454
        eval dep_sel="\$${cfg}_select"
455
        eval dep_sgs="\$${cfg}_suggest"
456
        eval dep_ifa="\$${cfg}_if"
457
        eval dep_ifn="\$${cfg}_if_any"
458

    
459
        pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
460
        check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
461
        popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
462

    
463
        [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
464
        [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
465
        enabled_all  $dep_all || disable $cfg
466
        enabled_any  $dep_any || disable $cfg
467
        disabled_any $dep_sel && disable $cfg
468

    
469
        if enabled $cfg; then
470
            eval dep_extralibs="\$${cfg}_extralibs"
471
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
472
            enable_deep $dep_sel
473
            enable_deep_weak $dep_sgs
474
        fi
475

    
476
        disable ${cfg}_checking
477
    done
478
}
479

    
480
print_config(){
481
    pfx=$1
482
    header=$2
483
    makefile=$3
484
    shift 3
485
    for cfg; do
486
        ucname="$(toupper $cfg)"
487
        if enabled $cfg; then
488
            echo "#define ${pfx}${ucname} 1" >> $header
489
            echo "${pfx}${ucname}=yes" >> $makefile
490
        else
491
            echo "#define ${pfx}${ucname} 0" >> $header
492
            echo "!${pfx}${ucname}=yes" >> $makefile
493
        fi
494
    done
495
}
496

    
497
flags_saved(){
498
    (: ${SAVE_CFLAGS?}) 2> /dev/null
499
}
500

    
501
save_flags(){
502
    flags_saved && return
503
    SAVE_CFLAGS="$CFLAGS"
504
    SAVE_LDFLAGS="$LDFLAGS"
505
    SAVE_extralibs="$extralibs"
506
}
507

    
508
restore_flags(){
509
    flags_saved || return
510
    CFLAGS="$SAVE_CFLAGS"
511
    LDFLAGS="$SAVE_LDFLAGS"
512
    extralibs="$SAVE_extralibs"
513
    unset SAVE_CFLAGS
514
    unset SAVE_LDFLAGS
515
    unset SAVE_extralibs
516
}
517

    
518
temp_cflags(){
519
    save_flags
520
    CFLAGS="$CFLAGS $*"
521
}
522

    
523
temp_ldflags(){
524
    save_flags
525
    LDFLAGS="$LDFLAGS $*"
526
}
527

    
528
temp_extralibs(){
529
    save_flags
530
    extralibs="$extralibs $*"
531
}
532

    
533
append(){
534
    var=$1
535
    shift
536
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
537
    eval "$var=\"\$$var $*\""
538
}
539

    
540
add_cppflags(){
541
    append CPPFLAGS $($filter_cppflags "$@")
542
}
543

    
544
add_cflags(){
545
    append CFLAGS $($filter_cflags "$@")
546
}
547

    
548
add_asflags(){
549
    append ASFLAGS $($filter_asflags "$@")
550
}
551

    
552
add_ldflags(){
553
    append LDFLAGS "$@"
554
}
555

    
556
add_extralibs(){
557
    append extralibs "$@"
558
}
559

    
560
check_cmd(){
561
    log "$@"
562
    "$@" >> $logfile 2>&1
563
}
564

    
565
check_cc(){
566
    log check_cc "$@"
567
    cat > $TMPC
568
    log_file $TMPC
569
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
570
}
571

    
572
check_cpp(){
573
    log check_cpp "$@"
574
    cat > $TMPC
575
    log_file $TMPC
576
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
577
}
578

    
579
check_as(){
580
    log check_as "$@"
581
    cat > $TMPC
582
    log_file $TMPC
583
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
584
}
585

    
586
check_asm(){
587
    log check_asm "$@"
588
    name="$1"
589
    code="$2"
590
    shift 2
591
    disable $name
592
    check_as "$@" <<EOF && enable $name
593
void foo(void){ __asm__ volatile($code); }
594
EOF
595
}
596

    
597
check_yasm(){
598
    log check_yasm "$@"
599
    echo "$1" > $TMPS
600
    log_file $TMPS
601
    shift 1
602
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
603
}
604

    
605
check_ld(){
606
    log check_ld "$@"
607
    flags=''
608
    libs=''
609
    for f; do
610
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
611
    done
612
    check_cc $($filter_cflags $flags) || return
613
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
614
}
615

    
616
check_cppflags(){
617
    log check_cppflags "$@"
618
    set -- $($filter_cppflags "$@")
619
    check_cc "$@" <<EOF && append CPPFLAGS "$@"
620
int x;
621
EOF
622
}
623

    
624
check_cflags(){
625
    log check_cflags "$@"
626
    set -- $($filter_cflags "$@")
627
    check_cc "$@" <<EOF && append CFLAGS "$@"
628
int x;
629
EOF
630
}
631

    
632
test_ldflags(){
633
    log test_ldflags "$@"
634
    check_ld "$@" <<EOF
635
int main(void){ return 0; }
636
EOF
637
}
638

    
639
check_ldflags(){
640
    log check_ldflags "$@"
641
    test_ldflags "$@" && add_ldflags "$@"
642
}
643

    
644
check_header(){
645
    log check_header "$@"
646
    header=$1
647
    shift
648
    disable_safe $header
649
    check_cpp "$@" <<EOF && enable_safe $header
650
#include <$header>
651
int x;
652
EOF
653
}
654

    
655
check_func(){
656
    log check_func "$@"
657
    func=$1
658
    shift
659
    disable $func
660
    check_ld "$@" <<EOF && enable $func
661
extern int $func();
662
int main(void){ $func(); }
663
EOF
664
}
665

    
666
check_func_headers(){
667
    log check_func_headers "$@"
668
    headers=$1
669
    func=$2
670
    shift 2
671
    disable $func
672
    incs=""
673
    for hdr in $headers; do
674
        incs="$incs
675
#include <$hdr>"
676
    done
677
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
678
$incs
679
int main(int argc, char **argv){
680
    return (long) $func;
681
}
682
EOF
683
}
684

    
685
check_cpp_condition(){
686
    log check_cpp_condition "$@"
687
    header=$1
688
    condition=$2
689
    shift 2
690
    check_cpp $($filter_cppflags "$@") <<EOF
691
#include <$header>
692
#if !($condition)
693
#error "unsatisfied condition: $condition"
694
#endif
695
EOF
696
}
697

    
698
check_lib(){
699
    log check_lib "$@"
700
    header="$1"
701
    func="$2"
702
    shift 2
703
    temp_extralibs "$@"
704
    check_header $header && check_func $func && add_extralibs "$@"
705
    err=$?
706
    restore_flags
707
    return $err
708
}
709

    
710
check_lib2(){
711
    log check_lib2 "$@"
712
    headers="$1"
713
    func="$2"
714
    shift 2
715
    check_func_headers "$headers" $func "$@" && add_extralibs "$@"
716
}
717

    
718
check_exec(){
719
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
720
}
721

    
722
check_exec_crash(){
723
    code=$(cat)
724

    
725
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
726
    # are safe but may not be available everywhere.  Thus we use
727
    # raise(SIGTERM) instead.  The check is run in a subshell so we
728
    # can redirect the "Terminated" message from the shell.  SIGBUS
729
    # is not defined by standard C so it is used conditionally.
730

    
731
    (check_exec "$@") >> $logfile 2>&1 <<EOF
732
#include <signal.h>
733
static void sighandler(int sig){
734
    raise(SIGTERM);
735
}
736
int main(void){
737
    signal(SIGILL, sighandler);
738
    signal(SIGFPE, sighandler);
739
    signal(SIGSEGV, sighandler);
740
#ifdef SIGBUS
741
    signal(SIGBUS, sighandler);
742
#endif
743
    { $code }
744
}
745
EOF
746
}
747

    
748
check_type(){
749
    log check_type "$@"
750
    headers=$1
751
    type=$2
752
    shift 2
753
    disable_safe "$type"
754
    incs=""
755
    for hdr in $headers; do
756
        incs="$incs
757
#include <$hdr>"
758
    done
759
    check_cc "$@" <<EOF && enable_safe "$type"
760
$incs
761
$type v;
762
EOF
763
}
764

    
765
check_struct(){
766
    log check_type "$@"
767
    headers=$1
768
    struct=$2
769
    member=$3
770
    shift 3
771
    disable_safe "${struct}_${member}"
772
    incs=""
773
    for hdr in $headers; do
774
        incs="$incs
775
#include <$hdr>"
776
    done
777
    check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
778
$incs
779
const void *p = &(($struct *)0)->$member;
780
EOF
781
}
782

    
783
require(){
784
    name="$1"
785
    header="$2"
786
    func="$3"
787
    shift 3
788
    check_lib $header $func "$@" || die "ERROR: $name not found"
789
}
790

    
791
require2(){
792
    name="$1"
793
    headers="$2"
794
    func="$3"
795
    shift 3
796
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
797
}
798

    
799
check_foo_config(){
800
    cfg=$1
801
    pkg=$2
802
    header=$3
803
    func=$4
804
    shift 4
805
    disable $cfg
806
    check_cmd ${pkg}-config --version
807
    err=$?
808
    if test "$err" = 0; then
809
        temp_cflags $(${pkg}-config --cflags)
810
        temp_extralibs $(${pkg}-config --libs)
811
        check_lib "$@" $header $func && enable $cfg
812
    fi
813
    return $err
814
}
815

    
816
check_host_cc(){
817
    log check_host_cc "$@"
818
    cat > $TMPC
819
    log_file $TMPC
820
    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
821
}
822

    
823
check_host_cflags(){
824
    log check_host_cflags "$@"
825
    check_host_cc "$@" <<EOF && append host_cflags "$@"
826
int x;
827
EOF
828
}
829

    
830
apply(){
831
    file=$1
832
    shift
833
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
834
}
835

    
836
cp_if_changed(){
837
    cmp -s "$1" "$2" &&
838
        echo "$2 is unchanged" ||
839
        cp -f "$1" "$2"
840
}
841

    
842
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
843
# system-dependent things.
844

    
845
COMPONENT_LIST="
846
    bsfs
847
    decoders
848
    demuxers
849
    encoders
850
    filters
851
    hwaccels
852
    indevs
853
    muxers
854
    outdevs
855
    parsers
856
    protocols
857
"
858

    
859
CONFIG_LIST="
860
    $COMPONENT_LIST
861
    aandct
862
    avfilter
863
    avfilter_lavf
864
    avisynth
865
    beos_netserver
866
    bzlib
867
    dct
868
    doc
869
    dxva2
870
    fastdiv
871
    ffmpeg
872
    ffplay
873
    ffserver
874
    fft
875
    golomb
876
    gpl
877
    gprof
878
    gray
879
    hardcoded_tables
880
    ipv6
881
    libdc1394
882
    libdirac
883
    libfaac
884
    libfaad
885
    libfaadbin
886
    libgsm
887
    libmp3lame
888
    libnut
889
    libopencore_amrnb
890
    libopencore_amrwb
891
    libopenjpeg
892
    libschroedinger
893
    libspeex
894
    libtheora
895
    libvorbis
896
    libx264
897
    libxvid
898
    lpc
899
    mdct
900
    memalign_hack
901
    mlib
902
    mpegaudio_hp
903
    network
904
    nonfree
905
    pic
906
    postproc
907
    powerpc_perf
908
    rdft
909
    runtime_cpudetect
910
    shared
911
    small
912
    static
913
    swscale_alpha
914
    vaapi
915
    vdpau
916
    version3
917
    x11grab
918
    zlib
919
"
920

    
921
THREADS_LIST='
922
    beosthreads
923
    os2threads
924
    pthreads
925
    w32threads
926
'
927

    
928
ARCH_LIST='
929
    alpha
930
    arm
931
    avr32
932
    avr32_ap
933
    avr32_uc
934
    bfin
935
    ia64
936
    m68k
937
    mips
938
    mips64
939
    parisc
940
    ppc
941
    ppc64
942
    s390
943
    sh4
944
    sparc
945
    sparc64
946
    x86
947
    x86_32
948
    x86_64
949
'
950

    
951
ARCH_EXT_LIST='
952
    altivec
953
    amd3dnow
954
    amd3dnowext
955
    armv5te
956
    armv6
957
    armv6t2
958
    armvfp
959
    iwmmxt
960
    mmi
961
    mmx
962
    mmx2
963
    neon
964
    ppc4xx
965
    sse
966
    ssse3
967
    vis
968
'
969

    
970
HAVE_LIST_PUB='
971
    bigendian
972
'
973

    
974
HAVE_LIST="
975
    $ARCH_EXT_LIST
976
    $HAVE_LIST_PUB
977
    $THREADS_LIST
978
    alsa_asoundlib_h
979
    altivec_h
980
    arpa_inet_h
981
    attribute_packed
982
    bswap
983
    closesocket
984
    cmov
985
    conio_h
986
    dcbzl
987
    dev_bktr_ioctl_bt848_h
988
    dev_bktr_ioctl_meteor_h
989
    dev_ic_bt8xx_h
990
    dev_video_meteor_ioctl_meteor_h
991
    dev_video_bktr_ioctl_bt848_h
992
    dlfcn_h
993
    dlopen
994
    dos_paths
995
    ebp_available
996
    ebx_available
997
    exp2
998
    exp2f
999
    fast_64bit
1000
    fast_clz
1001
    fast_cmov
1002
    fast_unaligned
1003
    fork
1004
    getaddrinfo
1005
    gethrtime
1006
    GetProcessTimes
1007
    getrusage
1008
    inet_aton
1009
    inline_asm
1010
    isatty
1011
    ldbrx
1012
    libdc1394_1
1013
    libdc1394_2
1014
    llrint
1015
    log2
1016
    log2f
1017
    loongson
1018
    lrint
1019
    lrintf
1020
    lzo1x_999_compress
1021
    machine_ioctl_bt848_h
1022
    machine_ioctl_meteor_h
1023
    malloc_h
1024
    memalign
1025
    mkstemp
1026
    pld
1027
    posix_memalign
1028
    round
1029
    roundf
1030
    sdl
1031
    sdl_video_size
1032
    setmode
1033
    socklen_t
1034
    soundcard_h
1035
    poll_h
1036
    struct_addrinfo
1037
    struct_sockaddr_sa_len
1038
    struct_sockaddr_storage
1039
    sys_mman_h
1040
    sys_resource_h
1041
    sys_select_h
1042
    sys_soundcard_h
1043
    sys_videoio_h
1044
    ten_operands
1045
    termios_h
1046
    threads
1047
    truncf
1048
    vfp_args
1049
    VirtualAlloc
1050
    winsock2_h
1051
    xform_asm
1052
    yasm
1053
"
1054

    
1055
# options emitted with CONFIG_ prefix but not available on command line
1056
CONFIG_EXTRA="
1057
    gplv3
1058
    lgplv3
1059
"
1060

    
1061
CMDLINE_SELECT="
1062
    $ARCH_EXT_LIST
1063
    $CONFIG_LIST
1064
    $THREADS_LIST
1065
    asm
1066
    cross_compile
1067
    debug
1068
    extra_warnings
1069
    logging
1070
    optimizations
1071
    stripping
1072
    yasm
1073
"
1074

    
1075
PATHS_LIST='
1076
    bindir
1077
    datadir
1078
    incdir
1079
    libdir
1080
    mandir
1081
    prefix
1082
    shlibdir
1083
'
1084

    
1085
CMDLINE_SET="
1086
    $PATHS_LIST
1087
    arch
1088
    as
1089
    build_suffix
1090
    cc
1091
    cpu
1092
    cross_prefix
1093
    dep_cc
1094
    extra_version
1095
    host_cc
1096
    host_cflags
1097
    host_ldflags
1098
    host_libs
1099
    host_os
1100
    ld
1101
    logfile
1102
    nm
1103
    source_path
1104
    sysinclude
1105
    sysroot
1106
    target_exec
1107
    target_os
1108
    target_path
1109
"
1110

    
1111
CMDLINE_APPEND="
1112
    extra_cflags
1113
"
1114

    
1115
# code dependency declarations
1116

    
1117
# architecture extensions
1118

    
1119
armv5te_deps="arm"
1120
armv6_deps="arm"
1121
armv6t2_deps="arm"
1122
armvfp_deps="arm"
1123
iwmmxt_deps="arm"
1124
neon_deps="arm"
1125

    
1126
mmi_deps="mips"
1127

    
1128
altivec_deps="ppc"
1129
ppc4xx_deps="ppc"
1130

    
1131
vis_deps="sparc"
1132

    
1133
x86_64_select="cmov fast_cmov"
1134
amd3dnow_deps="mmx"
1135
amd3dnowext_deps="amd3dnow"
1136
mmx_deps="x86"
1137
mmx2_deps="mmx"
1138
sse_deps="mmx"
1139
ssse3_deps="sse"
1140

    
1141
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1142
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1143
fast_unaligned_if_any="armv6 ppc x86"
1144

    
1145
need_memalign="altivec neon sse"
1146
inline_asm_deps="!tms470"
1147

    
1148
# decoders / encoders / hardware accelerators
1149
aac_decoder_select="fft mdct aac_parser"
1150
aac_encoder_select="fft mdct"
1151
ac3_decoder_select="fft mdct ac3_parser"
1152
alac_encoder_select="lpc"
1153
atrac3_decoder_select="fft mdct"
1154
cavs_decoder_select="golomb"
1155
cook_decoder_select="fft mdct"
1156
cscd_decoder_suggest="zlib"
1157
dca_decoder_select="fft mdct"
1158
dnxhd_encoder_select="aandct"
1159
dxa_decoder_select="zlib"
1160
eac3_decoder_select="ac3_decoder"
1161
eamad_decoder_select="aandct"
1162
eatgq_decoder_select="aandct"
1163
eatqi_decoder_select="aandct"
1164
ffv1_decoder_select="golomb"
1165
flac_decoder_select="golomb"
1166
flac_encoder_select="golomb lpc"
1167
flashsv_decoder_select="zlib"
1168
flashsv_encoder_select="zlib"
1169
flv_decoder_select="h263_decoder"
1170
flv_encoder_select="h263_encoder"
1171
h261_encoder_select="aandct"
1172
h263_decoder_select="h263_parser"
1173
h263_encoder_select="aandct"
1174
h263_vaapi_hwaccel_deps="va_va_h"
1175
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1176
h263i_decoder_select="h263_decoder"
1177
h263p_encoder_select="h263_encoder"
1178
h264_decoder_select="golomb"
1179
h264_dxva2_hwaccel_deps="dxva2api_h"
1180
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1181
h264_vaapi_hwaccel_deps="va_va_h"
1182
h264_vaapi_hwaccel_select="vaapi"
1183
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1184
h264_vdpau_decoder_select="vdpau h264_decoder"
1185
imc_decoder_select="fft mdct"
1186
jpegls_decoder_select="golomb"
1187
jpegls_encoder_select="golomb"
1188
ljpeg_encoder_select="aandct"
1189
loco_decoder_select="golomb"
1190
mjpeg_encoder_select="aandct"
1191
mlp_decoder_select="mlp_parser"
1192
mpeg1video_encoder_select="aandct"
1193
mpeg2video_encoder_select="aandct"
1194
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1195
mpeg4_encoder_select="h263_encoder"
1196
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1197
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1198
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1199
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1200
mpeg2_vaapi_hwaccel_deps="va_va_h"
1201
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1202
mpeg4_vaapi_hwaccel_deps="va_va_h"
1203
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1204
mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1205
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1206
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1207
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1208
msmpeg4v1_decoder_select="h263_decoder"
1209
msmpeg4v1_encoder_select="h263_encoder"
1210
msmpeg4v2_decoder_select="h263_decoder"
1211
msmpeg4v2_encoder_select="h263_encoder"
1212
msmpeg4v3_decoder_select="h263_decoder"
1213
msmpeg4v3_encoder_select="h263_encoder"
1214
nellymoser_decoder_select="fft mdct"
1215
nellymoser_encoder_select="fft mdct"
1216
png_decoder_select="zlib"
1217
png_encoder_select="zlib"
1218
qdm2_decoder_select="fft mdct rdft"
1219
rv10_decoder_select="h263_decoder"
1220
rv10_encoder_select="h263_encoder"
1221
rv20_decoder_select="h263_decoder"
1222
rv20_encoder_select="h263_encoder"
1223
rv30_decoder_select="golomb"
1224
rv40_decoder_select="golomb"
1225
shorten_decoder_select="golomb"
1226
sonic_decoder_select="golomb"
1227
sonic_encoder_select="golomb"
1228
sonic_ls_encoder_select="golomb"
1229
svq3_decoder_select="golomb"
1230
svq3_decoder_suggest="zlib"
1231
theora_decoder_select="vp3_decoder"
1232
tiff_decoder_suggest="zlib"
1233
tiff_encoder_suggest="zlib"
1234
truehd_decoder_select="mlp_decoder"
1235
tscc_decoder_select="zlib"
1236
vc1_decoder_select="h263_decoder"
1237
vc1_vaapi_hwaccel_deps="va_va_h"
1238
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1239
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1240
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1241
vorbis_decoder_select="fft mdct"
1242
vorbis_encoder_select="fft mdct"
1243
vp6a_decoder_select="vp6_decoder"
1244
vp6f_decoder_select="vp6_decoder"
1245
wmav1_decoder_select="fft mdct"
1246
wmav1_encoder_select="fft mdct"
1247
wmav2_decoder_select="fft mdct"
1248
wmav2_encoder_select="fft mdct"
1249
wmv1_decoder_select="h263_decoder"
1250
wmv1_encoder_select="h263_encoder"
1251
wmv2_decoder_select="h263_decoder"
1252
wmv2_encoder_select="h263_encoder"
1253
wmv3_decoder_select="vc1_decoder"
1254
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1255
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1256
zlib_decoder_select="zlib"
1257
zlib_encoder_select="zlib"
1258
zmbv_decoder_select="zlib"
1259
zmbv_encoder_select="zlib"
1260

    
1261
# parsers
1262
h264_parser_select="golomb"
1263

    
1264
# bitstream_filters
1265
aac_adtstoasc_bsf_select="aac_parser"
1266

    
1267
# external libraries
1268
libdirac_decoder_deps="libdirac !libschroedinger"
1269
libdirac_encoder_deps="libdirac"
1270
libfaac_encoder_deps="libfaac"
1271
libfaad_decoder_deps="libfaad"
1272
libfaadbin_decoder_extralibs='$ldl'
1273
libgsm_decoder_deps="libgsm"
1274
libgsm_encoder_deps="libgsm"
1275
libgsm_ms_decoder_deps="libgsm"
1276
libgsm_ms_encoder_deps="libgsm"
1277
libmp3lame_encoder_deps="libmp3lame"
1278
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1279
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1280
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1281
libopenjpeg_decoder_deps="libopenjpeg"
1282
libschroedinger_decoder_deps="libschroedinger"
1283
libschroedinger_encoder_deps="libschroedinger"
1284
libspeex_decoder_deps="libspeex"
1285
libtheora_encoder_deps="libtheora"
1286
libvorbis_encoder_deps="libvorbis"
1287
libx264_encoder_deps="libx264"
1288
libxvid_encoder_deps="libxvid"
1289

    
1290
# demuxers / muxers
1291
ac3_demuxer_deps="ac3_parser"
1292
asf_stream_muxer_select="asf_muxer"
1293
avisynth_demuxer_deps="avisynth"
1294
dirac_demuxer_deps="dirac_parser"
1295
eac3_demuxer_select="ac3_parser"
1296
ipod_muxer_select="mov_muxer"
1297
libnut_demuxer_deps="libnut"
1298
libnut_muxer_deps="libnut"
1299
matroska_audio_muxer_select="matroska_muxer"
1300
matroska_demuxer_suggest="zlib bzlib"
1301
mov_demuxer_suggest="zlib"
1302
mp3_demuxer_deps="mpegaudio_parser"
1303
mp4_muxer_select="mov_muxer"
1304
mpegtsraw_demuxer_select="mpegts_demuxer"
1305
mxf_d10_muxer_select="mxf_muxer"
1306
ogg_demuxer_select="golomb"
1307
psp_muxer_select="mov_muxer"
1308
rtsp_demuxer_deps="sdp_demuxer"
1309
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1310
spdif_muxer_select="aac_parser"
1311
tg2_muxer_select="mov_muxer"
1312
tgp_muxer_select="mov_muxer"
1313
w64_demuxer_deps="wav_demuxer"
1314

    
1315
# indevs / outdevs
1316
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1317
alsa_indev_extralibs="-lasound"
1318
alsa_outdev_deps="alsa_asoundlib_h"
1319
alsa_outdev_extralibs="-lasound"
1320
audio_beos_indev_deps="audio_beos"
1321
audio_beos_indev_extralibs="-lmedia -lbe"
1322
audio_beos_outdev_deps="audio_beos"
1323
audio_beos_outdev_extralibs="-lmedia -lbe"
1324
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1325
dv1394_indev_deps="dv1394 dv_demuxer"
1326
jack_indev_deps="jack_jack_h"
1327
jack_indev_extralibs="-ljack"
1328
libdc1394_indev_deps="libdc1394"
1329
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1330
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1331
v4l_indev_deps="linux_videodev_h"
1332
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1333
vfwcap_indev_deps="capCreateCaptureWindow"
1334
vfwcap_indev_extralibs="-lvfw32"
1335
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1336
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1337

    
1338
# protocols
1339
gopher_protocol_deps="network"
1340
http_protocol_deps="network"
1341
rtmp_protocol_deps="tcp_protocol"
1342
rtp_protocol_deps="udp_protocol"
1343
tcp_protocol_deps="network"
1344
udp_protocol_deps="network"
1345

    
1346
# filters
1347
movie_filter_deps="avfilter_lavf"
1348

    
1349
# programs
1350
ffplay_deps="sdl"
1351
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1352
ffserver_extralibs='$ldl'
1353

    
1354
doc_deps="texi2html"
1355

    
1356
# default parameters
1357

    
1358
logfile="config.err"
1359

    
1360
# installation paths
1361
prefix_default="/usr/local"
1362
bindir_default='${prefix}/bin'
1363
datadir_default='${prefix}/share/ffmpeg'
1364
incdir_default='${prefix}/include'
1365
libdir_default='${prefix}/lib'
1366
mandir_default='${prefix}/share/man'
1367
shlibdir_default="$libdir_default"
1368

    
1369
# toolchain
1370
ar="ar"
1371
cc_default="gcc"
1372
cc_version=\"unknown\"
1373
host_cc_default="gcc"
1374
ln_s="ln -sf"
1375
nm_default="nm"
1376
objformat="elf"
1377
ranlib="ranlib"
1378
strip="strip"
1379
yasmexe="yasm"
1380

    
1381
nm_opts='-g'
1382

    
1383
# machine
1384
arch=$(uname -m)
1385
cpu="generic"
1386

    
1387
# OS
1388
target_os=$(tolower $(uname -s))
1389
host_os=$target_os
1390

    
1391
# configurable options
1392
enable asm
1393
enable debug
1394
enable doc
1395
enable fastdiv
1396
enable ffmpeg
1397
enable ffplay
1398
enable ffserver
1399
enable ipv6
1400
enable mpegaudio_hp
1401
enable network
1402
enable optimizations
1403
enable protocols
1404
enable static
1405
enable stripping
1406
enable swscale_alpha
1407

    
1408
# build settings
1409
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1410
FFSERVERLDFLAGS=-Wl,-E
1411
LIBPREF="lib"
1412
LIBSUF=".a"
1413
FULLNAME='$(NAME)$(BUILDSUF)'
1414
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1415
SLIBPREF="lib"
1416
SLIBSUF=".so"
1417
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1418
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1419
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1420
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1421

    
1422
CC_O='-o $@'
1423

    
1424
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1425
host_libs='-lm'
1426

    
1427
target_path='.'
1428

    
1429
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1430
# full relative path for objects in subdirectories for non-recursive Make.
1431
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1432
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1433

    
1434
# find source path
1435
source_path="$(dirname "$0")"
1436
enable source_path_used
1437
if test -f configure; then
1438
    source_path="$(pwd)"
1439
    disable source_path_used
1440
else
1441
    source_path="$(cd "$source_path"; pwd)"
1442
    echo "$source_path" | grep -q '[[:blank:]]' &&
1443
        die "Out of tree builds are impossible with whitespace in source path."
1444
    test -e "$source_path/config.h" &&
1445
        die "Out of tree builds are impossible with config.h in source dir."
1446
fi
1447

    
1448
for v in "$@"; do
1449
    r=${v#*=}
1450
    l=${v%"$r"}
1451
    r=$(sh_quote "$r")
1452
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1453
done
1454

    
1455
find_things(){
1456
    thing=$1
1457
    pattern=$2
1458
    file=$source_path/$3
1459
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1460
}
1461

    
1462
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1463
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1464
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1465
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1466
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1467
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1468
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1469
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1470
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1471
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1472
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1473

    
1474
enable $ARCH_EXT_LIST \
1475
       $DECODER_LIST \
1476
       $ENCODER_LIST \
1477
       $HWACCEL_LIST \
1478
       $PARSER_LIST \
1479
       $BSF_LIST \
1480
       $DEMUXER_LIST \
1481
       $MUXER_LIST \
1482
       $FILTER_LIST \
1483
       $PROTOCOL_LIST \
1484
       $INDEV_LIST \
1485
       $OUTDEV_LIST \
1486

    
1487
die_unknown(){
1488
    echo "Unknown option \"$1\"."
1489
    echo "See $0 --help for available options."
1490
    exit 1
1491
}
1492

    
1493
show_list() {
1494
    suffix=_$1
1495
    shift
1496
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1497
    exit 0
1498
}
1499

    
1500
for opt do
1501
    optval="${opt#*=}"
1502
    case "$opt" in
1503
    --extra-ldflags=*) add_ldflags $optval
1504
    ;;
1505
    --extra-libs=*) add_extralibs $optval
1506
    ;;
1507
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1508
    ;;
1509
    --enable-debug=*) debuglevel="$optval"
1510
    ;;
1511
    --enable-*=*|--disable-*=*)
1512
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1513
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1514
    eval list=\$$(toupper $thing)_LIST
1515
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1516
    $action $(filter "$name" $list)
1517
    ;;
1518
    --enable-?*|--disable-?*)
1519
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1520
    if is_in $option $COMPONENT_LIST; then
1521
        test $action = disable && action=unset
1522
        eval $action \$$(toupper ${option%s})_LIST
1523
    elif is_in $option $CMDLINE_SELECT; then
1524
        $action $option
1525
    else
1526
        die_unknown $opt
1527
    fi
1528
    ;;
1529
    --list-*)
1530
        NAME="${opt#--list-}"
1531
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1532
        NAME=${NAME%s}
1533
        eval show_list $NAME \$$(toupper $NAME)_LIST
1534
    ;;
1535
    --help|-h) show_help
1536
    ;;
1537
    *)
1538
    optname="${opt%%=*}"
1539
    optname="${optname#--}"
1540
    optname=$(echo "$optname" | sed 's/-/_/g')
1541
    if is_in $optname $CMDLINE_SET; then
1542
        eval $optname='$optval'
1543
    elif is_in $optname $CMDLINE_APPEND; then
1544
        append $optname "$optval"
1545
    else
1546
         die_unknown $opt
1547
    fi
1548
    ;;
1549
    esac
1550
done
1551

    
1552
disabled logging && logfile=/dev/null
1553

    
1554
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1555
set >> $logfile
1556

    
1557
test -n "$cross_prefix" && enable cross_compile
1558

    
1559
ar="${cross_prefix}${ar}"
1560
cc_default="${cross_prefix}${cc_default}"
1561
nm_default="${cross_prefix}${nm_default}"
1562
ranlib="${cross_prefix}${ranlib}"
1563
strip="${cross_prefix}${strip}"
1564

    
1565
sysinclude_default="${sysroot}/usr/include"
1566

    
1567
set_default cc nm sysinclude
1568
enabled cross_compile || host_cc_default=$cc
1569
set_default host_cc
1570

    
1571
exesuf() {
1572
    case $1 in
1573
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1574
    esac
1575
}
1576

    
1577
EXESUF=$(exesuf $target_os)
1578
HOSTEXESUF=$(exesuf $host_os)
1579

    
1580
# set temporary file name
1581
: ${TMPDIR:=$TEMPDIR}
1582
: ${TMPDIR:=$TMP}
1583
: ${TMPDIR:=/tmp}
1584

    
1585
if ! check_cmd type mktemp; then
1586
    # simple replacement for missing mktemp
1587
    # NOT SAFE FOR GENERAL USE
1588
    mktemp(){
1589
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1590
    }
1591
fi
1592

    
1593
tmpfile(){
1594
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1595
        (set -C; exec > $tmp) 2>/dev/null ||
1596
        die "Unable to create temporary file in $TMPDIR."
1597
    append TMPFILES $tmp
1598
    eval $1=$tmp
1599
}
1600

    
1601
trap 'rm -f -- $TMPFILES' EXIT
1602
trap exit HUP INT TERM
1603

    
1604
tmpfile TMPC  .c
1605
tmpfile TMPE  $EXESUF
1606
tmpfile TMPH  .h
1607
tmpfile TMPO  .o
1608
tmpfile TMPS  .S
1609
tmpfile TMPV  .ver
1610
tmpfile TMPSH .sh
1611

    
1612
unset -f mktemp
1613

    
1614
# make sure we can execute files in $TMPDIR
1615
cat > $TMPSH 2>> $logfile <<EOF
1616
#! /bin/sh
1617
EOF
1618
chmod +x $TMPSH >> $logfile 2>&1
1619
if ! $TMPSH >> $logfile 2>&1; then
1620
    cat <<EOF
1621
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1622
variable to another directory and make sure that it is not mounted noexec.
1623
EOF
1624
    die "Sanity test failed."
1625
fi
1626

    
1627
filter_cflags=echo
1628
filter_cppflags=echo
1629
filter_asflags=echo
1630

    
1631
if   $cc -v 2>&1 | grep -qi ^gcc; then
1632
    cc_type=gcc
1633
    cc_version=__VERSION__
1634
    if ! $cc -dumpversion | grep -q '^2\.'; then
1635
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1636
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1637
    fi
1638
elif $cc --version 2>/dev/null | grep -q Intel; then
1639
    cc_type=icc
1640
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1641
    CC_DEPFLAGS='-MMD'
1642
    AS_DEPFLAGS='-MMD'
1643
elif $cc -v 2>&1 | grep -q xlc; then
1644
    cc_type=xlc
1645
    cc_version="AV_STRINGIFY(__IBMC__)"
1646
elif $cc -V 2>/dev/null | grep -q Compaq; then
1647
    cc_type=ccc
1648
    cc_version="AV_STRINGIFY(__DECC_VER)"
1649
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1650
    debuglevel=3
1651
    add_ldflags -Wl,-z,now # calls to libots crash without this
1652
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1653
    test -d "$sysroot" || die "No valid sysroot specified."
1654
    cc_type=armcc
1655
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1656
    armcc_conf="$PWD/armcc.conf"
1657
    $cc --arm_linux_configure                 \
1658
        --arm_linux_config_file="$armcc_conf" \
1659
        --configure_sysroot="$sysroot"        \
1660
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1661
        die "Error creating armcc configuration file."
1662
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1663
    as_default="${cross_prefix}gcc"
1664
    CC_DEPFLAGS='-MMD'
1665
    AS_DEPFLAGS='-MMD'
1666
elif $cc -version 2>/dev/null | grep -q TMS470; then
1667
    cc_type=tms470
1668
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1669
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1670
    CC_O='-fr=$(@D)'
1671
    as_default="${cross_prefix}gcc"
1672
    ld_default="${cross_prefix}gcc"
1673
    TMPO=$(basename $TMPC .c).o
1674
    append TMPFILES $TMPO
1675
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1676
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1677
    AS_DEPFLAGS='-MMD'
1678
    filter_cflags=tms470_flags
1679
    tms470_flags(){
1680
        for flag; do
1681
            case $flag in
1682
                -march=*|-mcpu=*)
1683
                    case "${flag#*=}" in
1684
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1685
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1686
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1687
                        armv6*|arm11*)          echo -mv=6   ;;
1688
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1689
                                                echo -mv=5e  ;;
1690
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1691
                    esac
1692
                    ;;
1693
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1694
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1695
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1696
                -msoft-float)   echo --float_support=vfplib       ;;
1697
                -Os)            echo -O3 -mf=2                    ;;
1698
                -O[0-3])        echo $flag -mf=5                  ;;
1699
                -g)             echo -g -mn                       ;;
1700
            esac
1701
        done
1702
    }
1703
elif $cc -v 2>&1 | grep -q clang; then
1704
    cc_type=clang
1705
    cc_version=__VERSION__
1706
    CC_DEPFLAGS='-MMD'
1707
    AS_DEPFLAGS='-MMD'
1708
elif $cc -V 2>&1 | grep -q Sun; then
1709
    cc_type=suncc
1710
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1711
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1712
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1713
    filter_cflags=suncc_flags
1714
    suncc_flags(){
1715
        for flag; do
1716
            case $flag in
1717
                -march=*|-mcpu=*)
1718
                    case "${flag#*=}" in
1719
                        native)                   echo -xtarget=native       ;;
1720
                        v9)                       echo -xarch=sparc          ;;
1721
                        ultrasparc)               echo -xarch=sparcvis       ;;
1722
                        ultrasparc3|niagara*)     echo -xarch=sparcvis2      ;;
1723
                        i586|pentium)             echo -xchip=pentium        ;;
1724
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1725
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1726
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1727
                        pentium4*)          echo -xtarget=pentium4           ;;
1728
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1729
                        *-sse3)             echo -xarch=sse3                 ;;
1730
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1731
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1732
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1733
                        k8|opteron|athlon64|athlon-fx)
1734
                                                  echo -xarch=sse2a          ;;
1735
                        athlon*)                  echo -xarch=pentium_proa   ;;
1736
                    esac
1737
                    ;;
1738
                -std=c99)             echo -xc99              ;;
1739
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1740
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1741
                -Os)                  echo -O5 -xspace        ;;
1742
                -W*,*)                echo $flag              ;;
1743
                -f*-*|-W*)                                    ;;
1744
                *)                    echo $flag              ;;
1745
            esac
1746
        done
1747
    }
1748
fi
1749

    
1750
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1751

    
1752
: ${as_default:=$cc}
1753
: ${dep_cc_default:=$cc}
1754
: ${ld_default:=$cc}
1755
set_default as dep_cc ld
1756

    
1757
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1758
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1759

    
1760
add_cflags $extra_cflags
1761
add_asflags $extra_cflags
1762

    
1763
if test -n "$sysroot"; then
1764
    case "$cc_type" in
1765
        gcc)
1766
            add_cppflags --sysroot="$sysroot"
1767
            add_ldflags --sysroot="$sysroot"
1768
        ;;
1769
        tms470)
1770
            add_cppflags -I"$sysinclude"
1771
            add_ldflags  --sysroot="$sysroot"
1772
        ;;
1773
        clang)
1774
            add_cppflags -isysroot="$sysroot"
1775
            add_ldflags -isysroot="$sysroot"
1776
        ;;
1777
    esac
1778
fi
1779

    
1780
if test "$cpu" = host; then
1781
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1782

    
1783
    case "$cc_type" in
1784
        gcc)
1785
            check_native(){
1786
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1787
                awk "/$1=/{ match(\$0, /$1=(\\w+)/, a);print a[1];exit }" $TMPE
1788
            }
1789
            cpu=$(check_native -march || check_native -mcpu)
1790
        ;;
1791
    esac
1792

    
1793
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1794
fi
1795

    
1796
# Deal with common $arch aliases
1797
case "$arch" in
1798
    arm*)
1799
        arch="arm"
1800
    ;;
1801
    mips|mipsel|IP*)
1802
        arch="mips"
1803
    ;;
1804
    mips64)
1805
        arch="mips"
1806
        subarch="mips64"
1807
    ;;
1808
    parisc|hppa)
1809
        arch="parisc"
1810
    ;;
1811
    parisc64|hppa64)
1812
        arch="parisc"
1813
        subarch="parisc64"
1814
    ;;
1815
    "Power Macintosh"|ppc|powerpc)
1816
        arch="ppc"
1817
    ;;
1818
    ppc64)
1819
        arch="ppc"
1820
        subarch="ppc64"
1821
    ;;
1822
    s390|s390x)
1823
        arch="s390"
1824
    ;;
1825
    sh4|sh)
1826
        arch="sh4"
1827
    ;;
1828
    sun4u|sparc64)
1829
        arch="sparc"
1830
        subarch="sparc64"
1831
    ;;
1832
    i[3-6]86|i86pc|BePC|x86_64|amd64)
1833
        arch="x86"
1834
    ;;
1835
esac
1836

    
1837
is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1838
enable $arch
1839

    
1840
# Add processor-specific flags
1841
if test "$cpu" = generic; then
1842
    : do nothing
1843
elif enabled ppc; then
1844

    
1845
    case $cpu in
1846
        601|ppc601|PowerPC601)
1847
            cpuflags="-mcpu=601"
1848
        ;;
1849
        603*|ppc603*|PowerPC603*)
1850
            cpuflags="-mcpu=603"
1851
        ;;
1852
        604*|ppc604*|PowerPC604*)
1853
            cpuflags="-mcpu=604"
1854
        ;;
1855
        G3|g3|75*|ppc75*|PowerPC75*)
1856
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1857
        ;;
1858
        G4|g4|745*|ppc745*|PowerPC745*)
1859
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1860
        ;;
1861
        74*|ppc74*|PowerPC74*)
1862
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1863
        ;;
1864
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1865
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1866
        ;;
1867
        Cell|CELL|cell)
1868
            cpuflags="-mcpu=cell"
1869
            enable ldbrx
1870
        ;;
1871
    esac
1872

    
1873
elif enabled x86; then
1874

    
1875
    case $cpu in
1876
        i[345]86|pentium)
1877
            cpuflags="-march=$cpu"
1878
            disable mmx
1879
        ;;
1880
        # targets that do NOT support conditional mov (cmov)
1881
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1882
            cpuflags="-march=$cpu"
1883
            disable cmov
1884
        ;;
1885
        # targets that do support conditional mov (cmov)
1886
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1887
            cpuflags="-march=$cpu"
1888
            enable cmov
1889
            enable fast_cmov
1890
        ;;
1891
        # targets that do support conditional mov but on which it's slow
1892
        pentium4|pentium4m|prescott|nocona)
1893
            cpuflags="-march=$cpu"
1894
            enable cmov
1895
            disable fast_cmov
1896
        ;;
1897
    esac
1898

    
1899
elif enabled sparc; then
1900

    
1901
    case $cpu in
1902
        sparc64)
1903
            cpuflags="-mcpu=v9"
1904
        ;;
1905
    esac
1906

    
1907
elif enabled arm; then
1908

    
1909
    case $cpu in
1910
        armv*)
1911
            cpuflags="-march=$cpu"
1912
        ;;
1913
        *)
1914
            cpuflags="-mcpu=$cpu"
1915
        ;;
1916
    esac
1917

    
1918
elif enabled alpha; then
1919

    
1920
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1921

    
1922
elif enabled bfin; then
1923

    
1924
    cpuflags="-mcpu=$cpu"
1925

    
1926
elif enabled mips; then
1927

    
1928
    cpuflags="-march=$cpu"
1929

    
1930
elif enabled avr32; then
1931

    
1932
    case $cpu in
1933
        ap7[02]0[0-2])
1934
            subarch="avr32_ap"
1935
            cpuflags="-mpart=$cpu"
1936
        ;;
1937
        ap)
1938
            subarch="avr32_ap"
1939
            cpuflags="-march=$cpu"
1940
        ;;
1941
        uc3[ab]*)
1942
            subarch="avr32_uc"
1943
            cpuflags="-mcpu=$cpu"
1944
        ;;
1945
        uc)
1946
            subarch="avr32_uc"
1947
            cpuflags="-march=$cpu"
1948
        ;;
1949
    esac
1950

    
1951
fi
1952

    
1953
add_cflags $cpuflags
1954
add_asflags $cpuflags
1955

    
1956
# compiler sanity check
1957
check_exec <<EOF
1958
int main(void){ return 0; }
1959
EOF
1960
if test "$?" != 0; then
1961
    echo "$cc is unable to create an executable file."
1962
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1963
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1964
        echo "Only do this if you know what cross compiling means."
1965
    fi
1966
    die "C compiler test failed."
1967
fi
1968

    
1969
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1970
check_cflags -std=c99
1971
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1972
#include <stdlib.h>
1973
EOF
1974
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1975
#include <stdlib.h>
1976
EOF
1977

    
1978
check_host_cflags -std=c99
1979

    
1980
case "$arch" in
1981
    alpha|ia64|mips|parisc|sparc)
1982
        spic=$shared
1983
    ;;
1984
    x86)
1985
        subarch="x86_32"
1986
        check_cc <<EOF && subarch="x86_64"
1987
        int test[(int)sizeof(char*) - 7];
1988
EOF
1989
        if test "$subarch" = "x86_64"; then
1990
            spic=$shared
1991
        fi
1992
    ;;
1993
esac
1994

    
1995
enable $subarch
1996
enabled spic && enable pic
1997
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
1998

    
1999
# OS specific
2000
case $target_os in
2001
    beos|haiku|zeta)
2002
        prefix_default="$HOME/config"
2003
        # 3 gcc releases known for BeOS, each with ugly bugs
2004
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2005
        case "$gcc_version" in
2006
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2007
            disable mmx
2008
            ;;
2009
          *20010315*) echo "BeBits gcc"
2010
            add_cflags -fno-expensive-optimizations
2011
            ;;
2012
        esac
2013
        SHFLAGS=-nostart
2014
        # enable BeOS things
2015
        enable audio_beos
2016
        # no need for libm, but the inet stuff
2017
        # Check for BONE
2018
        # XXX: actually should check for NOT net_server
2019
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2020
            network_extralibs="-lbind -lsocket"
2021
        else
2022
            enable beos_netserver
2023
            network_extralibs="-lnet"
2024
        fi ;;
2025
    sunos)
2026
        FFSERVERLDFLAGS=""
2027
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2028
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2029
        network_extralibs="-lsocket -lnsl"
2030
        add_cppflags -D__EXTENSIONS__
2031
        nm_opts='-P -g'
2032
        ;;
2033
    netbsd)
2034
        oss_indev_extralibs="-lossaudio"
2035
        oss_outdev_extralibs="-lossaudio"
2036
        ;;
2037
    openbsd)
2038
        enable malloc_aligned
2039
        # On OpenBSD 4.5. the compiler does not use PIC unless
2040
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2041
        # however the generated executable will not do anything
2042
        # (simply quits with exit-code 1, no crash, no output).
2043
        # Thus explicitly enable PIC here.
2044
        enable pic
2045
        SHFLAGS='-shared'
2046
        oss_indev_extralibs="-lossaudio"
2047
        oss_outdev_extralibs="-lossaudio"
2048
        ;;
2049
    freebsd|dragonfly)
2050
        enable malloc_aligned
2051
        ;;
2052
    bsd/os)
2053
        osextralibs="-lpoll -lgnugetopt"
2054
        strip="strip -d"
2055
        ;;
2056
    darwin)
2057
        enable malloc_aligned
2058
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2059
        strip="strip -x"
2060
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2061
        SLIBSUF=".dylib"
2062
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2063
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2064
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2065
        objformat="macho"
2066
        enabled x86_64 && objformat="macho64"
2067
        enabled_any pic shared ||
2068
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2069
        ;;
2070
    mingw32*)
2071
        # Only WinXP or greater are supported
2072
        add_cflags -D_WIN32_WINNT=0x0501
2073
        if test $target_os = "mingw32ce"; then
2074
            disable network
2075
        else
2076
            target_os=mingw32
2077
        fi
2078
        LIBTARGET=i386
2079
        if enabled x86_64; then
2080
            enable malloc_aligned
2081
            LIBTARGET=x64
2082
        elif enabled arm; then
2083
            LIBTARGET=arm
2084
        fi
2085
        shlibdir_default="$bindir_default"
2086
        disable ffserver
2087
        SLIBPREF=""
2088
        SLIBSUF=".dll"
2089
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2090
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2091
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2092
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2093
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2094
            install -d "$(LIBDIR)"; \
2095
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2096
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2097
        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'
2098
        objformat="win32"
2099
        enable dos_paths
2100
        check_cflags -fno-common
2101
        if ! enabled x86_64; then
2102
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2103
                die "ERROR: MinGW runtime version must be >= 3.15."
2104
            enabled_any avisynth vfwcap_indev &&
2105
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2106
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2107
            fi
2108
        ;;
2109
    cygwin*)
2110
        target_os=cygwin
2111
        shlibdir_default="$bindir_default"
2112
        SLIBPREF="cyg"
2113
        SLIBSUF=".dll"
2114
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2115
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2116
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2117
        objformat="win32"
2118
        enable dos_paths
2119
        check_cflags -fno-common
2120
        ;;
2121
    *-dos|freedos|opendos)
2122
        disable ffplay ffserver
2123
        disable $INDEV_LIST $OUTDEV_LIST
2124
        network_extralibs="-lsocket"
2125
        objformat="coff"
2126
        enable dos_paths
2127
        ;;
2128
    linux)
2129
        enable dv1394
2130
        ;;
2131
    irix*)
2132
        target_os=irix
2133
        ranlib="echo ignoring ranlib"
2134
        ;;
2135
    os/2*)
2136
        strip="lxlite"
2137
        ln_s="cp -f"
2138
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2139
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2140
        FFSERVERLDFLAGS=""
2141
        LIBSUF="_s.a"
2142
        SLIBPREF=""
2143
        SLIBSUF=".dll"
2144
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2145
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2146
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2147
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2148
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2149
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2150
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2151
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2152
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2153
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2154
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2155
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2156
        enable dos_paths
2157
        ;;
2158
    gnu/kfreebsd)
2159
        ;;
2160
    gnu)
2161
        ;;
2162

    
2163
    *)
2164
        die "Unknown OS '$target_os'."
2165
        ;;
2166
esac
2167

    
2168
set_default $PATHS_LIST
2169

    
2170
add_extralibs $osextralibs
2171

    
2172
# Combine FFLDFLAGS and the LDFLAGS environment variable.
2173
LDFLAGS="$FFLDFLAGS $LDFLAGS"
2174

    
2175
# we need to build at least one lib type
2176
if ! enabled_any static shared; then
2177
    cat <<EOF
2178
At least one library type must be built.
2179
Specify --enable-static to build the static libraries or --enable-shared to
2180
build the shared libraries as well. To only build the shared libraries specify
2181
--disable-static in addition to --enable-shared.
2182
EOF
2183
    exit 1;
2184
fi
2185

    
2186
disabled static && LIBNAME=""
2187

    
2188
if enabled_any libfaad libfaadbin ; then
2189
    if check_header faad.h; then
2190
        check_cc <<EOF
2191
#include <faad.h>
2192
#ifndef FAAD2_VERSION
2193
ok faad1
2194
#endif
2195
int main(void) { return 0; }
2196
EOF
2197
        test $? = 0 && enable libfaad2
2198
    else
2199
        die "FAAD test failed."
2200
    fi
2201
fi
2202

    
2203

    
2204
die_license_disabled() {
2205
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2206
}
2207

    
2208
die_license_disabled gpl libfaad2
2209
die_license_disabled gpl libx264
2210
die_license_disabled gpl libxvid
2211
die_license_disabled gpl postproc
2212
die_license_disabled gpl x11grab
2213

    
2214
die_license_disabled nonfree libfaac
2215

    
2216
die_license_disabled version3 libopencore_amrnb
2217
die_license_disabled version3 libopencore_amrwb
2218

    
2219
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2220

    
2221
check_deps $ARCH_EXT_LIST
2222

    
2223
disabled optimizations || check_cflags -fomit-frame-pointer
2224

    
2225
enable_pic() {
2226
    enable pic
2227
    add_cppflags -DPIC
2228
    add_cflags   -fPIC
2229
    add_asflags  -fPIC
2230
}
2231

    
2232
enabled pic && enable_pic
2233

    
2234
check_cc <<EOF || die "Symbol mangling check failed."
2235
int ff_extern;
2236
EOF
2237
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2238
extern_prefix=${sym%%ff_extern*}
2239

    
2240
check_cc <<EOF && enable inline_asm
2241
void foo(void) { __asm__ volatile ("" ::); }
2242
EOF
2243

    
2244
_restrict=
2245
for restrict_keyword in restrict __restrict__ __restrict; do
2246
    check_cc <<EOF && _restrict=$restrict_keyword && break
2247
void foo(char * $restrict_keyword p);
2248
EOF
2249
done
2250

    
2251
check_cc <<EOF && enable attribute_packed
2252
struct { int x; } __attribute__((packed)) x;
2253
EOF
2254

    
2255
check_cc <<EOF || die "endian test failed"
2256
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2257
EOF
2258
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2259

    
2260
if enabled alpha; then
2261

    
2262
    check_cflags -mieee
2263

    
2264
elif enabled arm; then
2265

    
2266
    check_cflags -marm
2267

    
2268
    check_ld <<EOF && enable vfp_args
2269
__asm__ (".eabi_attribute 28, 1");
2270
int main(void) { return 0; }
2271
EOF
2272

    
2273
    # We have to check if pld is a nop and disable it.
2274
    check_asm pld '"pld [r0]"'
2275

    
2276
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2277
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2278
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2279
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2280
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2281
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2282

    
2283
    enabled_all armv6t2 shared !pic && enable_pic
2284

    
2285
elif enabled ia64; then
2286

    
2287
    # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2288
    enabled shared && enable_weak hardcoded_tables
2289

    
2290
elif enabled mips; then
2291

    
2292
    check_asm loongson '"dmult.g $1, $2, $3"'
2293
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2294

    
2295
elif enabled ppc; then
2296

    
2297
    check_asm dcbzl     '"dcbzl 0, 1"'
2298
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2299
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2300

    
2301
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2302
    if enabled altivec; then
2303
        check_cflags -maltivec -mabi=altivec &&
2304
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2305
        check_cflags -faltivec
2306

    
2307
        # check if our compiler supports Motorola AltiVec C API
2308
        check_cc <<EOF || disable altivec
2309
$inc_altivec_h
2310
int main(void) {
2311
    vector signed int v1, v2, v3;
2312
    v1 = vec_add(v2,v3);
2313
    return 0;
2314
}
2315
EOF
2316

    
2317
        # check if our compiler supports braces for vector declarations
2318
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2319
$inc_altivec_h
2320
int main (void) { (vector int) {1}; return 0; }
2321
EOF
2322
    fi
2323

    
2324
elif enabled sparc; then
2325

    
2326
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2327
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2328

    
2329
elif enabled x86; then
2330

    
2331
    # check whether EBP is available on x86
2332
    # As 'i' is stored on the stack, this program will crash
2333
    # if the base pointer is used to access it because the
2334
    # base pointer is cleared in the inline assembly code.
2335
    check_exec_crash <<EOF && enable ebp_available
2336
    volatile int i=0;
2337
    __asm__ volatile (
2338
        "xorl %%ebp, %%ebp"
2339
    ::: "%ebp");
2340
    return i;
2341
EOF
2342

    
2343
    # check whether EBX is available on x86
2344
    check_asm ebx_available '""::"b"(0)' &&
2345
        check_asm ebx_available '"":::"%ebx"'
2346

    
2347
    # check whether more than 10 operands are supported
2348
    check_cc <<EOF && enable ten_operands
2349
int main(void) {
2350
    int x=0;
2351
    __asm__ volatile(
2352
        ""
2353
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2354
    );
2355
    return 0;
2356
}
2357
EOF
2358

    
2359
    # check whether binutils is new enough to compile SSSE3/MMX2
2360
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2361
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2362

    
2363
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2364

    
2365
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2366
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2367
    enabled     pic           && append YASMFLAGS "-DPIC"
2368
    test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2369
    case "$objformat" in
2370
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2371
    esac
2372
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2373

    
2374
    case "$cpu" in
2375
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2376
            disable fast_clz
2377
        ;;
2378
    esac
2379

    
2380
fi
2381

    
2382
if check_func dlopen; then
2383
    ldl=
2384
elif check_func dlopen -ldl; then
2385
    ldl=-ldl
2386
fi
2387

    
2388
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2389
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2390

    
2391
check_func  fork
2392
check_func  getaddrinfo $network_extralibs
2393
check_func  gethrtime
2394
check_func  getrusage
2395
check_func  inet_aton $network_extralibs
2396
check_func  isatty
2397
check_func  memalign
2398
check_func  mkstemp
2399
check_func  posix_memalign
2400
check_func_headers io.h setmode
2401
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2402
check_func_headers windows.h GetProcessTimes
2403
check_func_headers windows.h VirtualAlloc
2404

    
2405
check_header conio.h
2406
check_header dlfcn.h
2407
check_header dxva2api.h
2408
check_header malloc.h
2409
check_header poll.h
2410
check_header sys/mman.h
2411
check_header sys/resource.h
2412
check_header sys/select.h
2413
check_header termios.h
2414
check_header vdpau/vdpau.h
2415
check_header vdpau/vdpau_x11.h
2416
check_header X11/extensions/XvMClib.h
2417

    
2418
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2419
     enabled_any $need_memalign ; then
2420
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2421
fi
2422

    
2423
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2424
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2425

    
2426
# check for some common methods of building with pthread support
2427
# do this before the optional library checks as some of them require pthreads
2428
if enabled pthreads; then
2429
    if check_func pthread_create; then
2430
        :
2431
    elif check_func pthread_create -pthread; then
2432
        add_cflags -pthread
2433
        add_extralibs -pthread
2434
    elif check_func pthread_create -pthreads; then
2435
        add_cflags -pthreads
2436
        add_extralibs -pthreads
2437
    elif check_func pthread_create -lpthreadGC2; then
2438
        add_extralibs -lpthreadGC2
2439
    elif ! check_lib pthread.h pthread_create -lpthread; then
2440
        die "ERROR: can't find pthreads library"
2441
    fi
2442
fi
2443

    
2444
for thread in $THREADS_LIST; do
2445
    if enabled $thread; then
2446
        test -n "$thread_type" &&
2447
            die "ERROR: Only one thread type must be selected." ||
2448
            thread_type="$thread"
2449
    fi
2450
done
2451

    
2452
check_lib math.h sin -lm
2453
check_lib va/va.h vaInitialize -lva
2454

    
2455
check_func exp2
2456
check_func exp2f
2457
check_func llrint
2458
check_func log2
2459
check_func log2f
2460
check_func lrint
2461
check_func lrintf
2462
check_func round
2463
check_func roundf
2464
check_func truncf
2465

    
2466
# these are off by default, so fail if requested and not available
2467
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2468
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2469
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2470
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2471
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2472
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2473
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2474
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2475
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2476
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2477
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2478
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2479
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2480
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2481
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2482
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2483
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2484
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
2485
                      { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2486
                        die "ERROR: libx264 version must be >= 0.83."; }
2487
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2488
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2489

    
2490
# libdc1394 check
2491
if enabled libdc1394; then
2492
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2493
        enable libdc1394_2; } ||
2494
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2495
        enable libdc1394_1; } ||
2496
    die "ERROR: No version of libdc1394 found "
2497
fi
2498

    
2499
SDL_CONFIG="${cross_prefix}sdl-config"
2500
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2501
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2502
    sdl_libs=$("${SDL_CONFIG}" --libs)
2503
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2504
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2505
    enable sdl &&
2506
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2507
fi
2508

    
2509
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2510

    
2511
if enabled network; then
2512
    check_type "sys/types.h sys/socket.h" socklen_t
2513
    check_type netdb.h "struct addrinfo"
2514
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2515
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2516
    # Prefer arpa/inet.h over winsock2
2517
    if check_header arpa/inet.h ; then
2518
        check_func closesocket
2519
    elif check_header winsock2.h ; then
2520
        check_func_headers winsock2.h closesocket -lws2 && \
2521
            network_extralibs="-lws2" || \
2522
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2523
            network_extralibs="-lws2_32"; }
2524
        check_type ws2tcpip.h socklen_t
2525
        check_type ws2tcpip.h "struct addrinfo"
2526
        check_type ws2tcpip.h "struct sockaddr_storage"
2527
        check_struct winsock2.h "struct sockaddr" sa_len
2528
    else
2529
        disable network
2530
    fi
2531
fi
2532

    
2533
enabled_all network ipv6 && check_ld <<EOF || disable ipv6
2534
#include <sys/types.h>
2535
#include <sys/socket.h>
2536
#include <netinet/in.h>
2537
#include <netdb.h>
2538
int main(void) {
2539
    struct sockaddr_storage saddr;
2540
    struct ipv6_mreq mreq6;
2541
    getaddrinfo(0,0,0,0);
2542
    getnameinfo(0,0,0,0,0,0,0);
2543
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2544
}
2545
EOF
2546

    
2547
check_header linux/videodev.h
2548
check_header linux/videodev2.h
2549
check_header sys/videoio.h
2550

    
2551
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2552

    
2553
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2554
{ check_header dev/bktr/ioctl_meteor.h &&
2555
  check_header dev/bktr/ioctl_bt848.h; } ||
2556
{ check_header machine/ioctl_meteor.h &&
2557
  check_header machine/ioctl_bt848.h; } ||
2558
{ check_header dev/video/meteor/ioctl_meteor.h &&
2559
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2560
check_header dev/ic/bt8xx.h
2561

    
2562
check_header sys/soundcard.h
2563
check_header soundcard.h
2564

    
2565
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2566

    
2567
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2568

    
2569
enabled x11grab                         &&
2570
check_header X11/Xlib.h                 &&
2571
check_header X11/extensions/XShm.h      &&
2572
check_header X11/extensions/Xfixes.h    &&
2573
check_func XOpenDisplay -lX11           &&
2574
check_func XShmCreateImage -lX11 -lXext &&
2575
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2576

    
2577
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2578
check_cpp_condition \
2579
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2580
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2581
      disable vdpau; }
2582
fi
2583

    
2584
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2585

    
2586
# add some useful compiler flags if supported
2587
check_cflags -Wdeclaration-after-statement
2588
check_cflags -Wall
2589
check_cflags -Wno-switch
2590
check_cflags -Wdisabled-optimization
2591
check_cflags -Wpointer-arith
2592
check_cflags -Wredundant-decls
2593
check_cflags -Wno-pointer-sign
2594
check_cflags -Wcast-qual
2595
check_cflags -Wwrite-strings
2596
check_cflags -Wtype-limits
2597
check_cflags -Wundef
2598
enabled extra_warnings && check_cflags -Winline
2599

    
2600
# add some linker flags
2601
check_ldflags -Wl,--warn-common
2602
check_ldflags -Wl,--as-needed
2603
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'
2604
check_ldflags -Wl,-Bsymbolic
2605

    
2606
echo "X{};" > $TMPV
2607
test_ldflags -Wl,--version-script,$TMPV &&
2608
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2609

    
2610
if enabled small; then
2611
    check_cflags -Os            # not all compilers support -Os
2612
    optimizations="small"
2613
elif enabled optimizations; then
2614
    if enabled xlc; then
2615
        add_cflags  -O5
2616
        add_ldflags -O5
2617
    elif enabled suncc; then
2618
        add_cflags -O5
2619
    elif enabled ccc; then
2620
        add_cflags -fast
2621
    else
2622
        add_cflags -O3
2623
    fi
2624
fi
2625
check_cflags -fno-math-errno
2626
check_cflags -fno-signed-zeros
2627

    
2628
if enabled icc; then
2629
    # Just warnings, no remarks
2630
    check_cflags -w1
2631
    # -wd: Disable following warnings
2632
    # 144, 167, 556: -Wno-pointer-sign
2633
    # 10006: ignoring unknown option -fno-signed-zeros
2634
    # 10156: ignoring option '-W'; no argument required
2635
    check_cflags -wd144,167,556,10006,10156
2636
    # 11030: Warning unknown option --as-needed
2637
    # 10156: ignoring option '-export'; no argument required
2638
    check_ldflags -wd10156,11030
2639
    # Allow to compile with optimizations
2640
    check_ldflags -march=$cpu
2641
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2642
    enable ebp_available
2643
elif enabled ccc; then
2644
    # disable some annoying warnings
2645
    add_cflags -msg_disable cvtu32to64
2646
    add_cflags -msg_disable embedcomment
2647
    add_cflags -msg_disable needconstext
2648
    add_cflags -msg_disable nomainieee
2649
    add_cflags -msg_disable ptrmismatch1
2650
    add_cflags -msg_disable unreachcode
2651
elif enabled gcc; then
2652
    check_cflags -fno-tree-vectorize
2653
elif enabled clang; then
2654
    check_cflags -Qunused-arguments
2655
elif enabled armcc; then
2656
    # 2523: use of inline assembler is deprecated
2657
    add_cflags -Wrvct,--diag_suppress=2523
2658
fi
2659

    
2660
if enabled gprof; then
2661
    add_cflags  -p
2662
    add_ldflags -p
2663
fi
2664

    
2665
# Find out if the .align argument is a power of two or not.
2666
check_asm asmalign_pot '".align 3"'
2667

    
2668
enabled_any $DECODER_LIST      && enable decoders
2669
enabled_any $ENCODER_LIST      && enable encoders
2670
enabled_any $HWACCEL_LIST      && enable hwaccels
2671
enabled_any $BSF_LIST          && enable bsfs
2672
enabled_any $DEMUXER_LIST      && enable demuxers
2673
enabled_any $MUXER_LIST        && enable muxers
2674
enabled_any $FILTER_LIST       && enable filters
2675
enabled_any $INDEV_LIST        && enable indevs
2676
enabled_any $OUTDEV_LIST       && enable outdevs
2677
enabled_any $PROTOCOL_LIST     && enable protocols
2678

    
2679
enabled_any $THREADS_LIST      && enable threads
2680

    
2681
check_deps $CONFIG_LIST       \
2682
           $CONFIG_EXTRA      \
2683
           $HAVE_LIST         \
2684
           $DECODER_LIST      \
2685
           $ENCODER_LIST      \
2686
           $HWACCEL_LIST      \
2687
           $PARSER_LIST       \
2688
           $BSF_LIST          \
2689
           $DEMUXER_LIST      \
2690
           $MUXER_LIST        \
2691
           $FILTER_LIST       \
2692
           $INDEV_LIST        \
2693
           $OUTDEV_LIST       \
2694
           $PROTOCOL_LIST     \
2695

    
2696
enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2697

    
2698
echo "install prefix            $prefix"
2699
echo "source path               $source_path"
2700
echo "C compiler                $cc"
2701
echo ".align is power-of-two    $asmalign_pot"
2702
echo "ARCH                      $arch ($cpu)"
2703
if test "$build_suffix" != ""; then
2704
    echo "build suffix              $build_suffix"
2705
fi
2706
if test "$extra_version" != ""; then
2707
    echo "version string suffix     $extra_version"
2708
fi
2709
echo "big-endian                ${bigendian-no}"
2710
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2711
if enabled x86; then
2712
    echo "yasm                      ${yasm-no}"
2713
    echo "MMX enabled               ${mmx-no}"
2714
    echo "MMX2 enabled              ${mmx2-no}"
2715
    echo "3DNow! enabled            ${amd3dnow-no}"
2716
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2717
    echo "SSE enabled               ${sse-no}"
2718
    echo "SSSE3 enabled             ${ssse3-no}"
2719
    echo "CMOV enabled              ${cmov-no}"
2720
    echo "CMOV is fast              ${fast_cmov-no}"
2721
    echo "EBX available             ${ebx_available-no}"
2722
    echo "EBP available             ${ebp_available-no}"
2723
    echo "10 operands supported     ${ten_operands-no}"
2724
fi
2725
if enabled arm; then
2726
    echo "ARMv5TE enabled           ${armv5te-no}"
2727
    echo "ARMv6 enabled             ${armv6-no}"
2728
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2729
    echo "ARM VFP enabled           ${armvfp-no}"
2730
    echo "IWMMXT enabled            ${iwmmxt-no}"
2731
    echo "NEON enabled              ${neon-no}"
2732
fi
2733
if enabled mips; then
2734
    echo "MMI enabled               ${mmi-no}"
2735
fi
2736
if enabled ppc; then
2737
    echo "AltiVec enabled           ${altivec-no}"
2738
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2739
    echo "dcbzl available           ${dcbzl-no}"
2740
    echo "performance report        ${powerpc_perf-no}"
2741
fi
2742
if enabled sparc; then
2743
    echo "VIS enabled               ${vis-no}"
2744
fi
2745
echo "gprof enabled             ${gprof-no}"
2746
echo "debug symbols             ${debug-no}"
2747
echo "strip symbols             ${stripping-no}"
2748
echo "optimizations             ${optimizations-no}"
2749
echo "static                    ${static-no}"
2750
echo "shared                    ${shared-no}"
2751
echo "postprocessing support    ${postproc-no}"
2752
echo "new filter support        ${avfilter-no}"
2753
echo "filters using lavformat   ${avfilter_lavf-no}"
2754
echo "network support           ${network-no}"
2755
if enabled network; then
2756
    echo "IPv6 support              ${ipv6-no}"
2757
fi
2758
echo "threading support         ${thread_type-no}"
2759
echo "SDL support               ${sdl-no}"
2760
echo "Sun medialib support      ${mlib-no}"
2761
echo "AVISynth enabled          ${avisynth-no}"
2762
echo "libdc1394 support         ${libdc1394-no}"
2763
echo "libdirac enabled          ${libdirac-no}"
2764
echo "libfaac enabled           ${libfaac-no}"
2765
echo "libfaad enabled           ${libfaad-no}"
2766
echo "libfaad dlopened          ${libfaadbin-no}"
2767
echo "libgsm enabled            ${libgsm-no}"
2768
echo "libmp3lame enabled        ${libmp3lame-no}"
2769
echo "libnut enabled            ${libnut-no}"
2770
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2771
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2772
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2773
echo "libschroedinger enabled   ${libschroedinger-no}"
2774
echo "libspeex enabled          ${libspeex-no}"
2775
echo "libtheora enabled         ${libtheora-no}"
2776
echo "libvorbis enabled         ${libvorbis-no}"
2777
echo "libx264 enabled           ${libx264-no}"
2778
echo "libxvid enabled           ${libxvid-no}"
2779
echo "zlib enabled              ${zlib-no}"
2780
echo "bzlib enabled             ${bzlib-no}"
2781
echo
2782

    
2783
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2784
    echo "Enabled ${type}s:"
2785
    eval list=\$$(toupper $type)_LIST
2786
    for part in $list; do
2787
        enabled $part && echo ${part%_*}
2788
    done | sort | pr -3 -t
2789
    echo
2790
done
2791

    
2792
license="LGPL version 2.1 or later"
2793
if enabled nonfree; then
2794
    license="nonfree and unredistributable"
2795
elif enabled gplv3; then
2796
    license="GPL version 3 or later"
2797
elif enabled lgplv3; then
2798
    license="LGPL version 3 or later"
2799
elif enabled gpl; then
2800
    license="GPL version 2 or later"
2801
fi
2802

    
2803
echo "License: $license"
2804

    
2805
echo "Creating config.mak and config.h..."
2806

    
2807
# build tree in object directory if source path is different from current one
2808
if enabled source_path_used; then
2809
    DIRS="
2810
        doc
2811
        libavcodec
2812
        libavcodec/$arch
2813
        libavdevice
2814
        libavfilter
2815
        libavformat
2816
        libavutil
2817
        libavutil/$arch
2818
        libpostproc
2819
        libswscale
2820
        libswscale/$arch
2821
        tests
2822
        tools
2823
    "
2824
    FILES="
2825
        Makefile
2826
        common.mak
2827
        subdir.mak
2828
        doc/texi2pod.pl
2829
        libavcodec/Makefile
2830
        libavdevice/Makefile
2831
        libavfilter/Makefile
2832
        libavformat/Makefile
2833
        libavutil/Makefile
2834
        libpostproc/Makefile
2835
        libswscale/Makefile
2836
    "
2837
    for dir in $DIRS ; do
2838
        mkdir -p $dir
2839
    done
2840
    for f in $FILES ; do
2841
        $ln_s "$source_path/$f" $f
2842
    done
2843
fi
2844

    
2845
enabled stripping || strip="echo skipping strip"
2846

    
2847
cat > config.mak <<EOF
2848
# Automatically generated by configure - do not modify!
2849
ifndef FFMPEG_CONFIG_MAK
2850
FFMPEG_CONFIG_MAK=1
2851
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2852
prefix=$prefix
2853
LIBDIR=\$(DESTDIR)$libdir
2854
SHLIBDIR=\$(DESTDIR)$shlibdir
2855
INCDIR=\$(DESTDIR)$incdir
2856
BINDIR=\$(DESTDIR)$bindir
2857
DATADIR=\$(DESTDIR)$datadir
2858
MANDIR=\$(DESTDIR)$mandir
2859
SRC_PATH="$source_path"
2860
SRC_PATH_BARE=$source_path
2861
BUILD_ROOT="$PWD"
2862
ARCH=$arch
2863
CC=$cc
2864
AS=$as
2865
LD=$ld
2866
DEPCC=$dep_cc
2867
YASM=$yasmexe
2868
AR=$ar
2869
RANLIB=$ranlib
2870
LN_S=$ln_s
2871
STRIP=$strip
2872
CPPFLAGS=$CPPFLAGS
2873
CFLAGS=$CFLAGS
2874
ASFLAGS=$ASFLAGS
2875
CC_O=$CC_O
2876
LDFLAGS=$LDFLAGS
2877
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2878
SHFLAGS=$SHFLAGS
2879
YASMFLAGS=$YASMFLAGS
2880
BUILDSUF=$build_suffix
2881
FULLNAME=$FULLNAME
2882
LIBPREF=$LIBPREF
2883
LIBSUF=$LIBSUF
2884
LIBNAME=$LIBNAME
2885
SLIBPREF=$SLIBPREF
2886
SLIBSUF=$SLIBSUF
2887
EXESUF=$EXESUF
2888
EXTRA_VERSION=$extra_version
2889
DEPFLAGS=$DEPFLAGS
2890
CCDEP=$CCDEP
2891
ASDEP=$ASDEP
2892
CC_DEPFLAGS=$CC_DEPFLAGS
2893
AS_DEPFLAGS=$AS_DEPFLAGS
2894
HOSTCC=$host_cc
2895
HOSTCFLAGS=$host_cflags
2896
HOSTEXESUF=$HOSTEXESUF
2897
HOSTLDFLAGS=$host_ldflags
2898
HOSTLIBS=$host_libs
2899
TARGET_EXEC=$target_exec
2900
TARGET_PATH=$target_path
2901
SDL_LIBS=$sdl_libs
2902
SDL_CFLAGS=$sdl_cflags
2903
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2904
EXTRALIBS=$extralibs
2905
EOF
2906

    
2907
get_version(){
2908
    name=$1
2909
    file=$source_path/$2
2910
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2911
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2912
    lcname=$(tolower $name)
2913
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2914
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2915
}
2916

    
2917
get_version LIBSWSCALE  libswscale/swscale.h
2918
get_version LIBPOSTPROC libpostproc/postprocess.h
2919
get_version LIBAVCODEC  libavcodec/avcodec.h
2920
get_version LIBAVDEVICE libavdevice/avdevice.h
2921
get_version LIBAVFORMAT libavformat/avformat.h
2922
get_version LIBAVUTIL   libavutil/avutil.h
2923
get_version LIBAVFILTER libavfilter/avfilter.h
2924

    
2925
enabled shared && cat >> config.mak <<EOF
2926
LIBTARGET=${LIBTARGET}
2927
SLIBNAME=${SLIBNAME}
2928
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2929
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2930
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2931
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2932
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2933
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2934
EOF
2935

    
2936
enabled asmalign_pot || align_shift="1 <<"
2937

    
2938
cat > $TMPH <<EOF
2939
/* Automatically generated by configure - do not modify! */
2940
#ifndef FFMPEG_CONFIG_H
2941
#define FFMPEG_CONFIG_H
2942
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
2943
#define FFMPEG_LICENSE "$(c_escape $license)"
2944
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2945
#define CC_TYPE "$cc_type"
2946
#define CC_VERSION $cc_version
2947
#define restrict $_restrict
2948
#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
2949
#define EXTERN_PREFIX "${extern_prefix}"
2950
#define EXTERN_ASM ${extern_prefix}
2951
EOF
2952

    
2953
if enabled small || disabled optimizations; then
2954
    echo "#define av_always_inline"  >> $TMPH
2955
fi
2956

    
2957
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2958
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2959
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2960
                                      $CONFIG_EXTRA      \
2961
                                      $DECODER_LIST      \
2962
                                      $ENCODER_LIST      \
2963
                                      $HWACCEL_LIST      \
2964
                                      $PARSER_LIST       \
2965
                                      $BSF_LIST          \
2966
                                      $DEMUXER_LIST      \
2967
                                      $MUXER_LIST        \
2968
                                      $FILTER_LIST       \
2969
                                      $PROTOCOL_LIST     \
2970
                                      $INDEV_LIST        \
2971
                                      $OUTDEV_LIST       \
2972

    
2973
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2974
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2975

    
2976
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2977
cp_if_changed $TMPH config.h
2978

    
2979
cat > $TMPH <<EOF
2980
/* Generated by ffconf */
2981
#ifndef AVUTIL_AVCONFIG_H
2982
#define AVUTIL_AVCONFIG_H
2983
EOF
2984

    
2985
print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
2986

    
2987
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
2988

    
2989
cp_if_changed $TMPH libavutil/avconfig.h
2990

    
2991
# build pkg-config files
2992

    
2993
pkgconfig_generate(){
2994
name=$1
2995
shortname=${name#lib}${build_suffix}
2996
comment=$2
2997
version=$3
2998
libs=$4
2999
requires=$5
3000
cat <<EOF > $name/$name.pc
3001
prefix=$prefix
3002
exec_prefix=\${prefix}
3003
libdir=$libdir
3004
includedir=$incdir
3005

    
3006
Name: $name
3007
Description: $comment
3008
Version: $version
3009
Requires: $(enabled shared || echo $requires)
3010
Requires.private: $(enabled shared && echo $requires)
3011
Conflicts:
3012
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3013
Libs.private: $(enabled shared && echo $libs)
3014
Cflags: -I\${includedir}
3015
EOF
3016
cat <<EOF > $name/$name-uninstalled.pc
3017
prefix=
3018
exec_prefix=
3019
libdir=\${pcfiledir}
3020
includedir=${source_path}
3021

    
3022
Name: $name
3023
Description: $comment
3024
Version: $version
3025
Requires: $requires
3026
Conflicts:
3027
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3028
Cflags: -I\${includedir}
3029
EOF
3030
}
3031

    
3032
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3033
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3034
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3035
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3036
enabled avfilter &&
3037
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3038
enabled postproc &&
3039
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3040
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"