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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
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  --disable-ffplay         disable ffplay build
85
  --disable-ffserver       disable ffserver build
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  --disable-avdevice       disable libavdevice build
87
  --disable-avcodec        disable libavcodec build
88
  --disable-avformat       disable libavformat build
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  --disable-swscale        disable libswscale build
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  --enable-postproc        enable GPLed postprocessing support [no]
91
  --enable-avfilter        video filter support [no]
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  --enable-avfilter-lavf   video filters dependent on avformat [no]
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  --enable-beosthreads     use BeOS threads [no]
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  --enable-os2threads      use OS/2 threads [no]
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  --enable-pthreads        use pthreads [no]
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  --enable-w32threads      use Win32 threads [no]
97
  --enable-x11grab         enable X11 grabbing [no]
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  --disable-network        disable network support [no]
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  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
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  --enable-gray            enable full grayscale support (slower color)
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  --disable-swscale-alpha  disable alpha channel support in swscale
102
  --disable-fastdiv        disable table-based division
103
  --enable-small           optimize for size instead of speed
104
  --disable-aandct         disable AAN DCT code
105
  --disable-dct            disable DCT code
106
  --disable-fft            disable FFT code
107
  --disable-golomb         disable Golomb code
108
  --disable-lpc            disable LPC code
109
  --disable-mdct           disable MDCT code
110
  --disable-rdft           disable RDFT code
111
  --disable-vaapi          disable VAAPI code
112
  --disable-vdpau          disable VDPAU code
113
  --disable-dxva2          disable DXVA2 code
114
  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
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  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116
  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
117
  --enable-beos-netserver  enable BeOS netserver
118
  --disable-encoder=NAME   disable encoder NAME
119
  --enable-encoder=NAME    enable encoder NAME
120
  --disable-encoders       disable all encoders
121
  --disable-decoder=NAME   disable decoder NAME
122
  --enable-decoder=NAME    enable decoder NAME
123
  --disable-decoders       disable all decoders
124
  --disable-hwaccel=NAME   disable hwaccel NAME
125
  --enable-hwaccel=NAME    enable hwaccel NAME
126
  --disable-hwaccels       disable all hwaccels
127
  --disable-muxer=NAME     disable muxer NAME
128
  --enable-muxer=NAME      enable muxer NAME
129
  --disable-muxers         disable all muxers
130
  --disable-demuxer=NAME   disable demuxer NAME
131
  --enable-demuxer=NAME    enable demuxer NAME
132
  --disable-demuxers       disable all demuxers
133
  --enable-parser=NAME     enable parser NAME
134
  --disable-parser=NAME    disable parser NAME
135
  --disable-parsers        disable all parsers
136
  --enable-bsf=NAME        enable bitstream filter NAME
137
  --disable-bsf=NAME       disable bitstream filter NAME
138
  --disable-bsfs           disable all bitstream filters
139
  --enable-protocol=NAME   enable protocol NAME
140
  --disable-protocol=NAME  disable protocol NAME
141
  --disable-protocols      disable all protocols
142
  --disable-indev=NAME     disable input device NAME
143
  --disable-outdev=NAME    disable output device NAME
144
  --disable-indevs         disable input devices
145
  --disable-outdevs        disable output devices
146
  --disable-devices        disable all devices
147
  --enable-filter=NAME     enable filter NAME
148
  --disable-filter=NAME    disable filter NAME
149
  --disable-filters        disable all filters
150
  --list-decoders          show all available decoders
151
  --list-encoders          show all available encoders
152
  --list-hwaccels          show all available hardware accelerators
153
  --list-muxers            show all available muxers
154
  --list-demuxers          show all available demuxers
155
  --list-parsers           show all available parsers
156
  --list-protocols         show all available protocols
157
  --list-bsfs              show all available bitstream filters
158
  --list-indevs            show all available input devices
159
  --list-outdevs           show all available output devices
160
  --list-filters           show all available filters
161

    
162
External library support:
163
  --enable-avisynth        enable reading of AVISynth script files [no]
164
  --enable-bzlib           enable bzlib [autodetect]
165
  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
166
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
167
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
168
                           and libraw1394 [no]
169
  --enable-libdirac        enable Dirac support via libdirac [no]
170
  --enable-libfaac         enable FAAC support via libfaac [no]
171
  --enable-libfaad         enable FAAD support via libfaad [no]
172
  --enable-libfaadbin      open libfaad.so.0 at runtime [no]
173
  --enable-libgsm          enable GSM support via libgsm [no]
174
  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
175
  --enable-libnut          enable NUT (de)muxing via libnut,
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                           native (de)muxer exists [no]
177
  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
178
  --enable-libschroedinger enable Dirac support via libschroedinger [no]
179
  --enable-libspeex        enable Speex decoding via libspeex [no]
180
  --enable-libtheora       enable Theora encoding via libtheora [no]
181
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
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                           native implementation exists [no]
183
  --enable-libx264         enable H.264 encoding via x264 [no]
184
  --enable-libxvid         enable Xvid encoding via xvidcore,
185
                           native MPEG-4/Xvid encoder exists [no]
186
  --enable-mlib            enable Sun medialib [no]
187
  --enable-zlib            enable zlib [autodetect]
188

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
976
HAVE_LIST_PUB='
977
    bigendian
978
'
979

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

    
1063
# options emitted with CONFIG_ prefix but not available on command line
1064
CONFIG_EXTRA="
1065
    avutil
1066
    gplv3
1067
    lgplv3
1068
"
1069

    
1070
CMDLINE_SELECT="
1071
    $ARCH_EXT_LIST
1072
    $CONFIG_LIST
1073
    $THREADS_LIST
1074
    asm
1075
    cross_compile
1076
    debug
1077
    extra_warnings
1078
    logging
1079
    optimizations
1080
    stripping
1081
    yasm
1082
"
1083

    
1084
PATHS_LIST='
1085
    bindir
1086
    datadir
1087
    incdir
1088
    libdir
1089
    mandir
1090
    prefix
1091
    shlibdir
1092
'
1093

    
1094
CMDLINE_SET="
1095
    $PATHS_LIST
1096
    arch
1097
    as
1098
    build_suffix
1099
    cc
1100
    cpu
1101
    cross_prefix
1102
    dep_cc
1103
    extra_version
1104
    host_cc
1105
    host_cflags
1106
    host_ldflags
1107
    host_libs
1108
    host_os
1109
    ld
1110
    logfile
1111
    nm
1112
    source_path
1113
    sysinclude
1114
    sysroot
1115
    target_exec
1116
    target_os
1117
    target_path
1118
"
1119

    
1120
CMDLINE_APPEND="
1121
    extra_cflags
1122
"
1123

    
1124
# code dependency declarations
1125

    
1126
# architecture extensions
1127

    
1128
armv5te_deps="arm"
1129
armv6_deps="arm"
1130
armv6t2_deps="arm"
1131
armvfp_deps="arm"
1132
iwmmxt_deps="arm"
1133
neon_deps="arm"
1134

    
1135
mmi_deps="mips"
1136

    
1137
altivec_deps="ppc"
1138
ppc4xx_deps="ppc"
1139

    
1140
vis_deps="sparc"
1141

    
1142
x86_64_suggest="cmov fast_cmov"
1143
amd3dnow_deps="mmx"
1144
amd3dnowext_deps="amd3dnow"
1145
mmx_deps="x86"
1146
mmx2_deps="mmx"
1147
sse_deps="mmx"
1148
ssse3_deps="sse"
1149

    
1150
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1151
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1152
fast_unaligned_if_any="armv6 ppc x86"
1153

    
1154
need_memalign="altivec neon sse"
1155
inline_asm_deps="!tms470"
1156

    
1157
# decoders / encoders / hardware accelerators
1158
aac_decoder_select="fft mdct aac_parser"
1159
aac_encoder_select="fft mdct"
1160
ac3_decoder_select="fft mdct ac3_parser"
1161
alac_encoder_select="lpc"
1162
atrac3_decoder_select="fft mdct"
1163
cavs_decoder_select="golomb"
1164
cook_decoder_select="fft mdct"
1165
cscd_decoder_suggest="zlib"
1166
dca_decoder_select="fft mdct"
1167
dnxhd_encoder_select="aandct"
1168
dxa_decoder_select="zlib"
1169
eac3_decoder_select="ac3_decoder"
1170
eamad_decoder_select="aandct"
1171
eatgq_decoder_select="aandct"
1172
eatqi_decoder_select="aandct"
1173
ffv1_decoder_select="golomb"
1174
flac_decoder_select="golomb"
1175
flac_encoder_select="golomb lpc"
1176
flashsv_decoder_select="zlib"
1177
flashsv_encoder_select="zlib"
1178
flv_decoder_select="h263_decoder"
1179
flv_encoder_select="h263_encoder"
1180
h261_encoder_select="aandct"
1181
h263_decoder_select="h263_parser"
1182
h263_encoder_select="aandct"
1183
h263_vaapi_hwaccel_deps="va_va_h"
1184
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1185
h263i_decoder_select="h263_decoder"
1186
h263p_encoder_select="h263_encoder"
1187
h264_decoder_select="golomb"
1188
h264_dxva2_hwaccel_deps="dxva2api_h"
1189
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1190
h264_vaapi_hwaccel_deps="va_va_h"
1191
h264_vaapi_hwaccel_select="vaapi"
1192
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1193
h264_vdpau_decoder_select="vdpau h264_decoder"
1194
imc_decoder_select="fft mdct"
1195
jpegls_decoder_select="golomb"
1196
jpegls_encoder_select="golomb"
1197
ljpeg_encoder_select="aandct"
1198
loco_decoder_select="golomb"
1199
mjpeg_encoder_select="aandct"
1200
mlp_decoder_select="mlp_parser"
1201
mpeg1video_encoder_select="aandct"
1202
mpeg2video_encoder_select="aandct"
1203
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1204
mpeg4_encoder_select="h263_encoder"
1205
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1206
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1207
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1208
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1209
mpeg2_vaapi_hwaccel_deps="va_va_h"
1210
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1211
mpeg4_vaapi_hwaccel_deps="va_va_h"
1212
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1213
mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1214
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1215
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1216
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1217
msmpeg4v1_decoder_select="h263_decoder"
1218
msmpeg4v1_encoder_select="h263_encoder"
1219
msmpeg4v2_decoder_select="h263_decoder"
1220
msmpeg4v2_encoder_select="h263_encoder"
1221
msmpeg4v3_decoder_select="h263_decoder"
1222
msmpeg4v3_encoder_select="h263_encoder"
1223
nellymoser_decoder_select="fft mdct"
1224
nellymoser_encoder_select="fft mdct"
1225
png_decoder_select="zlib"
1226
png_encoder_select="zlib"
1227
qdm2_decoder_select="fft mdct rdft"
1228
rv10_decoder_select="h263_decoder"
1229
rv10_encoder_select="h263_encoder"
1230
rv20_decoder_select="h263_decoder"
1231
rv20_encoder_select="h263_encoder"
1232
rv30_decoder_select="golomb"
1233
rv40_decoder_select="golomb"
1234
shorten_decoder_select="golomb"
1235
sonic_decoder_select="golomb"
1236
sonic_encoder_select="golomb"
1237
sonic_ls_encoder_select="golomb"
1238
svq3_decoder_select="golomb"
1239
svq3_decoder_suggest="zlib"
1240
theora_decoder_select="vp3_decoder"
1241
tiff_decoder_suggest="zlib"
1242
tiff_encoder_suggest="zlib"
1243
truehd_decoder_select="mlp_decoder"
1244
tscc_decoder_select="zlib"
1245
vc1_decoder_select="h263_decoder"
1246
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1247
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1248
vc1_vaapi_hwaccel_deps="va_va_h"
1249
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1250
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1251
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1252
vorbis_decoder_select="fft mdct"
1253
vorbis_encoder_select="fft mdct"
1254
vp6a_decoder_select="vp6_decoder"
1255
vp6f_decoder_select="vp6_decoder"
1256
wmav1_decoder_select="fft mdct"
1257
wmav1_encoder_select="fft mdct"
1258
wmav2_decoder_select="fft mdct"
1259
wmav2_encoder_select="fft mdct"
1260
wmv1_decoder_select="h263_decoder"
1261
wmv1_encoder_select="h263_encoder"
1262
wmv2_decoder_select="h263_decoder"
1263
wmv2_encoder_select="h263_encoder"
1264
wmv3_decoder_select="vc1_decoder"
1265
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1266
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1267
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1268
zlib_decoder_select="zlib"
1269
zlib_encoder_select="zlib"
1270
zmbv_decoder_select="zlib"
1271
zmbv_encoder_select="zlib"
1272

    
1273
# parsers
1274
h264_parser_select="golomb"
1275

    
1276
# bitstream_filters
1277
aac_adtstoasc_bsf_select="aac_parser"
1278

    
1279
# external libraries
1280
libdirac_decoder_deps="libdirac !libschroedinger"
1281
libdirac_encoder_deps="libdirac"
1282
libfaac_encoder_deps="libfaac"
1283
libfaad_decoder_deps="libfaad"
1284
libfaadbin_decoder_extralibs='$ldl'
1285
libgsm_decoder_deps="libgsm"
1286
libgsm_encoder_deps="libgsm"
1287
libgsm_ms_decoder_deps="libgsm"
1288
libgsm_ms_encoder_deps="libgsm"
1289
libmp3lame_encoder_deps="libmp3lame"
1290
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1291
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1292
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1293
libopenjpeg_decoder_deps="libopenjpeg"
1294
libschroedinger_decoder_deps="libschroedinger"
1295
libschroedinger_encoder_deps="libschroedinger"
1296
libspeex_decoder_deps="libspeex"
1297
libtheora_encoder_deps="libtheora"
1298
libvorbis_encoder_deps="libvorbis"
1299
libx264_encoder_deps="libx264"
1300
libxvid_encoder_deps="libxvid"
1301

    
1302
# demuxers / muxers
1303
ac3_demuxer_deps="ac3_parser"
1304
asf_stream_muxer_select="asf_muxer"
1305
avisynth_demuxer_deps="avisynth"
1306
dirac_demuxer_deps="dirac_parser"
1307
eac3_demuxer_select="ac3_parser"
1308
ipod_muxer_select="mov_muxer"
1309
libnut_demuxer_deps="libnut"
1310
libnut_muxer_deps="libnut"
1311
matroska_audio_muxer_select="matroska_muxer"
1312
matroska_demuxer_suggest="zlib bzlib"
1313
mov_demuxer_suggest="zlib"
1314
mp3_demuxer_deps="mpegaudio_parser"
1315
mp4_muxer_select="mov_muxer"
1316
mpegtsraw_demuxer_select="mpegts_demuxer"
1317
mxf_d10_muxer_select="mxf_muxer"
1318
ogg_demuxer_select="golomb"
1319
psp_muxer_select="mov_muxer"
1320
rtsp_demuxer_deps="sdp_demuxer"
1321
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1322
spdif_muxer_select="aac_parser"
1323
tg2_muxer_select="mov_muxer"
1324
tgp_muxer_select="mov_muxer"
1325
w64_demuxer_deps="wav_demuxer"
1326

    
1327
# indevs / outdevs
1328
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1329
alsa_indev_extralibs="-lasound"
1330
alsa_outdev_deps="alsa_asoundlib_h"
1331
alsa_outdev_extralibs="-lasound"
1332
audio_beos_indev_deps="audio_beos"
1333
audio_beos_indev_extralibs="-lmedia -lbe"
1334
audio_beos_outdev_deps="audio_beos"
1335
audio_beos_outdev_extralibs="-lmedia -lbe"
1336
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1337
dv1394_indev_deps="dv1394 dv_demuxer"
1338
jack_indev_deps="jack_jack_h"
1339
jack_indev_extralibs="-ljack"
1340
libdc1394_indev_deps="libdc1394"
1341
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1342
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1343
v4l_indev_deps="linux_videodev_h"
1344
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1345
vfwcap_indev_deps="capCreateCaptureWindow"
1346
vfwcap_indev_extralibs="-lavicap32"
1347
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1348
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1349

    
1350
# protocols
1351
gopher_protocol_deps="network"
1352
http_protocol_deps="network"
1353
rtmp_protocol_deps="tcp_protocol"
1354
rtp_protocol_deps="udp_protocol"
1355
tcp_protocol_deps="network"
1356
udp_protocol_deps="network"
1357

    
1358
# filters
1359
movie_filter_deps="avfilter_lavf"
1360
avfilter_lavf_deps="avformat"
1361

    
1362
# libraries
1363
avdevice_deps="avcodec avformat"
1364
avformat_deps="avcodec"
1365

    
1366
# programs
1367
ffmpeg_deps="avcodec avformat swscale"
1368
ffplay_deps="avcodec avformat swscale sdl"
1369
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1370
ffserver_extralibs='$ldl'
1371

    
1372
doc_deps="texi2html"
1373

    
1374
# default parameters
1375

    
1376
logfile="config.err"
1377

    
1378
# installation paths
1379
prefix_default="/usr/local"
1380
bindir_default='${prefix}/bin'
1381
datadir_default='${prefix}/share/ffmpeg'
1382
incdir_default='${prefix}/include'
1383
libdir_default='${prefix}/lib'
1384
mandir_default='${prefix}/share/man'
1385
shlibdir_default="$libdir_default"
1386

    
1387
# toolchain
1388
ar="ar"
1389
cc_default="gcc"
1390
cc_version=\"unknown\"
1391
host_cc_default="gcc"
1392
ln_s="ln -sf"
1393
nm_default="nm"
1394
objformat="elf"
1395
ranlib="ranlib"
1396
strip="strip"
1397
yasmexe="yasm"
1398

    
1399
nm_opts='-g'
1400

    
1401
# machine
1402
arch=$(uname -m)
1403
cpu="generic"
1404

    
1405
# OS
1406
target_os=$(tolower $(uname -s))
1407
host_os=$target_os
1408

    
1409
# configurable options
1410
enable avcodec
1411
enable avdevice
1412
enable avformat
1413
enable avutil
1414
enable asm
1415
enable debug
1416
enable doc
1417
enable fastdiv
1418
enable ffmpeg
1419
enable ffplay
1420
enable ffserver
1421
enable mpegaudio_hp
1422
enable network
1423
enable optimizations
1424
enable protocols
1425
enable static
1426
enable stripping
1427
enable swscale
1428
enable swscale_alpha
1429

    
1430
# build settings
1431
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1432
FFSERVERLDFLAGS=-Wl,-E
1433
LIBPREF="lib"
1434
LIBSUF=".a"
1435
FULLNAME='$(NAME)$(BUILDSUF)'
1436
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1437
SLIBPREF="lib"
1438
SLIBSUF=".so"
1439
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1440
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1441
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1442
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1443

    
1444
CC_O='-o $@'
1445

    
1446
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1447
host_libs='-lm'
1448

    
1449
target_path='.'
1450

    
1451
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1452
# full relative path for objects in subdirectories for non-recursive Make.
1453
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1454
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1455

    
1456
# find source path
1457
source_path="$(dirname "$0")"
1458
enable source_path_used
1459
if test -f configure; then
1460
    source_path="$(pwd)"
1461
    disable source_path_used
1462
else
1463
    source_path="$(cd "$source_path"; pwd)"
1464
    echo "$source_path" | grep -q '[[:blank:]]' &&
1465
        die "Out of tree builds are impossible with whitespace in source path."
1466
    test -e "$source_path/config.h" &&
1467
        die "Out of tree builds are impossible with config.h in source dir."
1468
fi
1469

    
1470
for v in "$@"; do
1471
    r=${v#*=}
1472
    l=${v%"$r"}
1473
    r=$(sh_quote "$r")
1474
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1475
done
1476

    
1477
find_things(){
1478
    thing=$1
1479
    pattern=$2
1480
    file=$source_path/$3
1481
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1482
}
1483

    
1484
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1485
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1486
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1487
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1488
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1489
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1490
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1491
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1492
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1493
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1494
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1495

    
1496
enable $ARCH_EXT_LIST \
1497
       $DECODER_LIST \
1498
       $ENCODER_LIST \
1499
       $HWACCEL_LIST \
1500
       $PARSER_LIST \
1501
       $BSF_LIST \
1502
       $DEMUXER_LIST \
1503
       $MUXER_LIST \
1504
       $FILTER_LIST \
1505
       $PROTOCOL_LIST \
1506
       $INDEV_LIST \
1507
       $OUTDEV_LIST \
1508

    
1509
die_unknown(){
1510
    echo "Unknown option \"$1\"."
1511
    echo "See $0 --help for available options."
1512
    exit 1
1513
}
1514

    
1515
show_list() {
1516
    suffix=_$1
1517
    shift
1518
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1519
    exit 0
1520
}
1521

    
1522
for opt do
1523
    optval="${opt#*=}"
1524
    case "$opt" in
1525
    --extra-ldflags=*) add_ldflags $optval
1526
    ;;
1527
    --extra-libs=*) add_extralibs $optval
1528
    ;;
1529
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1530
    ;;
1531
    --enable-debug=*) debuglevel="$optval"
1532
    ;;
1533
    --enable-*=*|--disable-*=*)
1534
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1535
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1536
    eval list=\$$(toupper $thing)_LIST
1537
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1538
    $action $(filter "$name" $list)
1539
    ;;
1540
    --enable-?*|--disable-?*)
1541
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1542
    if is_in $option $COMPONENT_LIST; then
1543
        test $action = disable && action=unset
1544
        eval $action \$$(toupper ${option%s})_LIST
1545
    elif is_in $option $CMDLINE_SELECT; then
1546
        $action $option
1547
    else
1548
        die_unknown $opt
1549
    fi
1550
    ;;
1551
    --list-*)
1552
        NAME="${opt#--list-}"
1553
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1554
        NAME=${NAME%s}
1555
        eval show_list $NAME \$$(toupper $NAME)_LIST
1556
    ;;
1557
    --help|-h) show_help
1558
    ;;
1559
    *)
1560
    optname="${opt%%=*}"
1561
    optname="${optname#--}"
1562
    optname=$(echo "$optname" | sed 's/-/_/g')
1563
    if is_in $optname $CMDLINE_SET; then
1564
        eval $optname='$optval'
1565
    elif is_in $optname $CMDLINE_APPEND; then
1566
        append $optname "$optval"
1567
    else
1568
         die_unknown $opt
1569
    fi
1570
    ;;
1571
    esac
1572
done
1573

    
1574
disabled logging && logfile=/dev/null
1575

    
1576
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1577
set >> $logfile
1578

    
1579
test -n "$cross_prefix" && enable cross_compile
1580

    
1581
ar="${cross_prefix}${ar}"
1582
cc_default="${cross_prefix}${cc_default}"
1583
nm_default="${cross_prefix}${nm_default}"
1584
ranlib="${cross_prefix}${ranlib}"
1585
strip="${cross_prefix}${strip}"
1586

    
1587
sysinclude_default="${sysroot}/usr/include"
1588

    
1589
set_default cc nm sysinclude
1590
enabled cross_compile || host_cc_default=$cc
1591
set_default host_cc
1592

    
1593
exesuf() {
1594
    case $1 in
1595
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1596
    esac
1597
}
1598

    
1599
EXESUF=$(exesuf $target_os)
1600
HOSTEXESUF=$(exesuf $host_os)
1601

    
1602
# set temporary file name
1603
: ${TMPDIR:=$TEMPDIR}
1604
: ${TMPDIR:=$TMP}
1605
: ${TMPDIR:=/tmp}
1606

    
1607
if ! check_cmd type mktemp; then
1608
    # simple replacement for missing mktemp
1609
    # NOT SAFE FOR GENERAL USE
1610
    mktemp(){
1611
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1612
    }
1613
fi
1614

    
1615
tmpfile(){
1616
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1617
        (set -C; exec > $tmp) 2>/dev/null ||
1618
        die "Unable to create temporary file in $TMPDIR."
1619
    append TMPFILES $tmp
1620
    eval $1=$tmp
1621
}
1622

    
1623
trap 'rm -f -- $TMPFILES' EXIT
1624
trap exit HUP INT TERM
1625

    
1626
tmpfile TMPC  .c
1627
tmpfile TMPE  $EXESUF
1628
tmpfile TMPH  .h
1629
tmpfile TMPO  .o
1630
tmpfile TMPS  .S
1631
tmpfile TMPV  .ver
1632
tmpfile TMPSH .sh
1633

    
1634
unset -f mktemp
1635

    
1636
# make sure we can execute files in $TMPDIR
1637
cat > $TMPSH 2>> $logfile <<EOF
1638
#! /bin/sh
1639
EOF
1640
chmod +x $TMPSH >> $logfile 2>&1
1641
if ! $TMPSH >> $logfile 2>&1; then
1642
    cat <<EOF
1643
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1644
variable to another directory and make sure that it is not mounted noexec.
1645
EOF
1646
    die "Sanity test failed."
1647
fi
1648

    
1649
filter_cflags=echo
1650
filter_cppflags=echo
1651
filter_asflags=echo
1652

    
1653
if   $cc -v 2>&1 | grep -qi ^gcc; then
1654
    cc_type=gcc
1655
    cc_version=__VERSION__
1656
    if ! $cc -dumpversion | grep -q '^2\.'; then
1657
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1658
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1659
    fi
1660
elif $cc --version 2>/dev/null | grep -q Intel; then
1661
    cc_type=icc
1662
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1663
    CC_DEPFLAGS='-MMD'
1664
    AS_DEPFLAGS='-MMD'
1665
elif $cc -v 2>&1 | grep -q xlc; then
1666
    cc_type=xlc
1667
    cc_version="AV_STRINGIFY(__IBMC__)"
1668
elif $cc -V 2>/dev/null | grep -q Compaq; then
1669
    cc_type=ccc
1670
    cc_version="AV_STRINGIFY(__DECC_VER)"
1671
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1672
    debuglevel=3
1673
    add_ldflags -Wl,-z,now # calls to libots crash without this
1674
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1675
    test -d "$sysroot" || die "No valid sysroot specified."
1676
    cc_type=armcc
1677
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1678
    armcc_conf="$PWD/armcc.conf"
1679
    $cc --arm_linux_configure                 \
1680
        --arm_linux_config_file="$armcc_conf" \
1681
        --configure_sysroot="$sysroot"        \
1682
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1683
        die "Error creating armcc configuration file."
1684
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1685
    as_default="${cross_prefix}gcc"
1686
    CC_DEPFLAGS='-MMD'
1687
    AS_DEPFLAGS='-MMD'
1688
elif $cc -version 2>/dev/null | grep -q TMS470; then
1689
    cc_type=tms470
1690
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1691
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1692
    CC_O='-fr=$(@D)'
1693
    as_default="${cross_prefix}gcc"
1694
    ld_default="${cross_prefix}gcc"
1695
    TMPO=$(basename $TMPC .c).o
1696
    append TMPFILES $TMPO
1697
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1698
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1699
    AS_DEPFLAGS='-MMD'
1700
    filter_cflags=tms470_flags
1701
    tms470_flags(){
1702
        for flag; do
1703
            case $flag in
1704
                -march=*|-mcpu=*)
1705
                    case "${flag#*=}" in
1706
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1707
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1708
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1709
                        armv6*|arm11*)          echo -mv=6   ;;
1710
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1711
                                                echo -mv=5e  ;;
1712
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1713
                    esac
1714
                    ;;
1715
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1716
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1717
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1718
                -msoft-float)   echo --float_support=vfplib       ;;
1719
                -Os)            echo -O3 -mf=2                    ;;
1720
                -O[0-3])        echo $flag -mf=5                  ;;
1721
                -g)             echo -g -mn                       ;;
1722
                -pds=*)         echo $flag                        ;;
1723
            esac
1724
        done
1725
    }
1726
elif $cc -v 2>&1 | grep -q clang; then
1727
    cc_type=clang
1728
    cc_version=__VERSION__
1729
    CC_DEPFLAGS='-MMD'
1730
    AS_DEPFLAGS='-MMD'
1731
elif $cc -V 2>&1 | grep -q Sun; then
1732
    cc_type=suncc
1733
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1734
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1735
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1736
    filter_cflags=suncc_flags
1737
    suncc_flags(){
1738
        for flag; do
1739
            case $flag in
1740
                -march=*|-mcpu=*)
1741
                    case "${flag#*=}" in
1742
                        native)                   echo -xtarget=native       ;;
1743
                        v9)                       echo -xarch=sparc          ;;
1744
                        ultrasparc)               echo -xarch=sparcvis       ;;
1745
                        ultrasparc3|niagara*)     echo -xarch=sparcvis2      ;;
1746
                        i586|pentium)             echo -xchip=pentium        ;;
1747
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1748
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1749
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1750
                        pentium4*)          echo -xtarget=pentium4           ;;
1751
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1752
                        *-sse3)             echo -xarch=sse3                 ;;
1753
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1754
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1755
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1756
                        k8|opteron|athlon64|athlon-fx)
1757
                                                  echo -xarch=sse2a          ;;
1758
                        athlon*)                  echo -xarch=pentium_proa   ;;
1759
                    esac
1760
                    ;;
1761
                -std=c99)             echo -xc99              ;;
1762
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1763
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1764
                -Os)                  echo -O5 -xspace        ;;
1765
                -W*,*)                echo $flag              ;;
1766
                -f*-*|-W*)                                    ;;
1767
                *)                    echo $flag              ;;
1768
            esac
1769
        done
1770
    }
1771
fi
1772

    
1773
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1774

    
1775
: ${as_default:=$cc}
1776
: ${dep_cc_default:=$cc}
1777
: ${ld_default:=$cc}
1778
set_default as dep_cc ld
1779

    
1780
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1781
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1782

    
1783
add_cflags $extra_cflags
1784
add_asflags $extra_cflags
1785

    
1786
if test -n "$sysroot"; then
1787
    case "$cc_type" in
1788
        gcc)
1789
            add_cppflags --sysroot="$sysroot"
1790
            add_ldflags --sysroot="$sysroot"
1791
        ;;
1792
        tms470)
1793
            add_cppflags -I"$sysinclude"
1794
            add_ldflags  --sysroot="$sysroot"
1795
        ;;
1796
        clang)
1797
            add_cppflags -isysroot="$sysroot"
1798
            add_ldflags -isysroot="$sysroot"
1799
        ;;
1800
    esac
1801
fi
1802

    
1803
if test "$cpu" = host; then
1804
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1805

    
1806
    case "$cc_type" in
1807
        gcc)
1808
            check_native(){
1809
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1810
                sed -n "/$1=/{
1811
                            s/.*$1=\\([^ ]*\\).*/\\1/
1812
                            p
1813
                            q
1814
                        }" $TMPE
1815
            }
1816
            cpu=$(check_native -march || check_native -mcpu)
1817
        ;;
1818
    esac
1819

    
1820
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1821
fi
1822

    
1823
# Deal with common $arch aliases
1824
case "$arch" in
1825
    arm*)
1826
        arch="arm"
1827
    ;;
1828
    mips|mipsel|IP*)
1829
        arch="mips"
1830
    ;;
1831
    mips64)
1832
        arch="mips"
1833
        subarch="mips64"
1834
    ;;
1835
    parisc|hppa)
1836
        arch="parisc"
1837
    ;;
1838
    parisc64|hppa64)
1839
        arch="parisc"
1840
        subarch="parisc64"
1841
    ;;
1842
    "Power Macintosh"|ppc|powerpc)
1843
        arch="ppc"
1844
    ;;
1845
    ppc64)
1846
        arch="ppc"
1847
        subarch="ppc64"
1848
    ;;
1849
    s390|s390x)
1850
        arch="s390"
1851
    ;;
1852
    sh4|sh)
1853
        arch="sh4"
1854
    ;;
1855
    sun4u|sparc64)
1856
        arch="sparc"
1857
        subarch="sparc64"
1858
    ;;
1859
    i[3-6]86|i86pc|BePC|x86_64|amd64)
1860
        arch="x86"
1861
    ;;
1862
esac
1863

    
1864
is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1865
enable $arch
1866

    
1867
# Add processor-specific flags
1868
if test "$cpu" = generic; then
1869
    : do nothing
1870
elif enabled ppc; then
1871

    
1872
    case $cpu in
1873
        601|ppc601|PowerPC601)
1874
            cpuflags="-mcpu=601"
1875
        ;;
1876
        603*|ppc603*|PowerPC603*)
1877
            cpuflags="-mcpu=603"
1878
        ;;
1879
        604*|ppc604*|PowerPC604*)
1880
            cpuflags="-mcpu=604"
1881
        ;;
1882
        G3|g3|75*|ppc75*|PowerPC75*)
1883
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1884
        ;;
1885
        G4|g4|745*|ppc745*|PowerPC745*)
1886
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1887
        ;;
1888
        74*|ppc74*|PowerPC74*)
1889
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1890
        ;;
1891
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1892
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1893
        ;;
1894
        Cell|CELL|cell)
1895
            cpuflags="-mcpu=cell"
1896
            enable ldbrx
1897
        ;;
1898
    esac
1899

    
1900
elif enabled x86; then
1901

    
1902
    case $cpu in
1903
        i[345]86|pentium)
1904
            cpuflags="-march=$cpu"
1905
            disable mmx
1906
        ;;
1907
        # targets that do NOT support conditional mov (cmov)
1908
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1909
            cpuflags="-march=$cpu"
1910
            disable cmov
1911
        ;;
1912
        # targets that do support conditional mov (cmov)
1913
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1914
            cpuflags="-march=$cpu"
1915
            enable cmov
1916
            enable fast_cmov
1917
        ;;
1918
        # targets that do support conditional mov but on which it's slow
1919
        pentium4|pentium4m|prescott|nocona)
1920
            cpuflags="-march=$cpu"
1921
            enable cmov
1922
            disable fast_cmov
1923
        ;;
1924
    esac
1925

    
1926
elif enabled sparc; then
1927

    
1928
    case $cpu in
1929
        sparc64)
1930
            cpuflags="-mcpu=v9"
1931
        ;;
1932
    esac
1933

    
1934
elif enabled arm; then
1935

    
1936
    case $cpu in
1937
        armv*)
1938
            cpuflags="-march=$cpu"
1939
        ;;
1940
        *)
1941
            cpuflags="-mcpu=$cpu"
1942
        ;;
1943
    esac
1944

    
1945
elif enabled alpha; then
1946

    
1947
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1948

    
1949
elif enabled bfin; then
1950

    
1951
    cpuflags="-mcpu=$cpu"
1952

    
1953
elif enabled mips; then
1954

    
1955
    cpuflags="-march=$cpu"
1956

    
1957
elif enabled avr32; then
1958

    
1959
    case $cpu in
1960
        ap7[02]0[0-2])
1961
            subarch="avr32_ap"
1962
            cpuflags="-mpart=$cpu"
1963
        ;;
1964
        ap)
1965
            subarch="avr32_ap"
1966
            cpuflags="-march=$cpu"
1967
        ;;
1968
        uc3[ab]*)
1969
            subarch="avr32_uc"
1970
            cpuflags="-mcpu=$cpu"
1971
        ;;
1972
        uc)
1973
            subarch="avr32_uc"
1974
            cpuflags="-march=$cpu"
1975
        ;;
1976
    esac
1977

    
1978
fi
1979

    
1980
add_cflags $cpuflags
1981
add_asflags $cpuflags
1982

    
1983
# compiler sanity check
1984
check_exec <<EOF
1985
int main(void){ return 0; }
1986
EOF
1987
if test "$?" != 0; then
1988
    echo "$cc is unable to create an executable file."
1989
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1990
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1991
        echo "Only do this if you know what cross compiling means."
1992
    fi
1993
    die "C compiler test failed."
1994
fi
1995

    
1996
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1997
check_cflags -std=c99
1998
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1999
#include <stdlib.h>
2000
EOF
2001
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2002
#include <stdlib.h>
2003
EOF
2004

    
2005
check_host_cflags -std=c99
2006

    
2007
case "$arch" in
2008
    alpha|ia64|mips|parisc|sparc)
2009
        spic=$shared
2010
    ;;
2011
    x86)
2012
        subarch="x86_32"
2013
        check_cc <<EOF && subarch="x86_64"
2014
        int test[(int)sizeof(char*) - 7];
2015
EOF
2016
        if test "$subarch" = "x86_64"; then
2017
            spic=$shared
2018
        fi
2019
    ;;
2020
esac
2021

    
2022
enable $subarch
2023
enabled spic && enable pic
2024
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2025

    
2026
# OS specific
2027
case $target_os in
2028
    beos|haiku|zeta)
2029
        prefix_default="$HOME/config"
2030
        # 3 gcc releases known for BeOS, each with ugly bugs
2031
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2032
        case "$gcc_version" in
2033
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2034
            disable mmx
2035
            ;;
2036
          *20010315*) echo "BeBits gcc"
2037
            add_cflags -fno-expensive-optimizations
2038
            ;;
2039
        esac
2040
        SHFLAGS=-nostart
2041
        # enable BeOS things
2042
        enable audio_beos
2043
        # no need for libm, but the inet stuff
2044
        # Check for BONE
2045
        # XXX: actually should check for NOT net_server
2046
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2047
            network_extralibs="-lbind -lsocket"
2048
        else
2049
            enable beos_netserver
2050
            network_extralibs="-lnet"
2051
        fi ;;
2052
    sunos)
2053
        FFSERVERLDFLAGS=""
2054
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2055
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2056
        network_extralibs="-lsocket -lnsl"
2057
        add_cppflags -D__EXTENSIONS__
2058
        nm_opts='-P -g'
2059
        ;;
2060
    netbsd)
2061
        oss_indev_extralibs="-lossaudio"
2062
        oss_outdev_extralibs="-lossaudio"
2063
        ;;
2064
    openbsd)
2065
        enable malloc_aligned
2066
        # On OpenBSD 4.5. the compiler does not use PIC unless
2067
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2068
        # however the generated executable will not do anything
2069
        # (simply quits with exit-code 1, no crash, no output).
2070
        # Thus explicitly enable PIC here.
2071
        enable pic
2072
        SHFLAGS='-shared'
2073
        oss_indev_extralibs="-lossaudio"
2074
        oss_outdev_extralibs="-lossaudio"
2075
        ;;
2076
    freebsd|dragonfly)
2077
        enable malloc_aligned
2078
        ;;
2079
    bsd/os)
2080
        osextralibs="-lpoll -lgnugetopt"
2081
        strip="strip -d"
2082
        ;;
2083
    darwin)
2084
        enable malloc_aligned
2085
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2086
        strip="strip -x"
2087
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2088
        SLIBSUF=".dylib"
2089
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2090
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2091
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2092
        objformat="macho"
2093
        enabled x86_64 && objformat="macho64"
2094
        enabled_any pic shared ||
2095
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2096
        ;;
2097
    mingw32*)
2098
        # Adding _WIN32_WINNT=0x0501 makes functions that require
2099
        # XP visible and thus may make it binary incompatible with
2100
        # earlier versions. Set --target-os=mingw32-prexp if this
2101
        # isn't desired.
2102
        test $target_os = "mingw32" && add_cflags -D_WIN32_WINNT=0x0501
2103
        if test $target_os = "mingw32ce"; then
2104
            disable network
2105
        else
2106
            target_os=mingw32
2107
        fi
2108
        LIBTARGET=i386
2109
        if enabled x86_64; then
2110
            enable malloc_aligned
2111
            LIBTARGET=x64
2112
        elif enabled arm; then
2113
            LIBTARGET=arm
2114
        fi
2115
        shlibdir_default="$bindir_default"
2116
        disable ffserver
2117
        SLIBPREF=""
2118
        SLIBSUF=".dll"
2119
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2120
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2121
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2122
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2123
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2124
            install -d "$(LIBDIR)"; \
2125
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2126
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2127
        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'
2128
        objformat="win32"
2129
        enable dos_paths
2130
        check_cflags -fno-common
2131
        if ! enabled x86_64; then
2132
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2133
                die "ERROR: MinGW runtime version must be >= 3.15."
2134
            enabled_any avisynth vfwcap_indev &&
2135
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2136
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2137
        fi
2138
        ;;
2139
    cygwin*)
2140
        target_os=cygwin
2141
        shlibdir_default="$bindir_default"
2142
        SLIBPREF="cyg"
2143
        SLIBSUF=".dll"
2144
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2145
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2146
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2147
        objformat="win32"
2148
        enable dos_paths
2149
        check_cflags -fno-common
2150
        ;;
2151
    *-dos|freedos|opendos)
2152
        disable ffplay ffserver
2153
        disable $INDEV_LIST $OUTDEV_LIST
2154
        network_extralibs="-lsocket"
2155
        objformat="coff"
2156
        enable dos_paths
2157
        ;;
2158
    linux)
2159
        enable dv1394
2160
        ;;
2161
    irix*)
2162
        target_os=irix
2163
        ranlib="echo ignoring ranlib"
2164
        ;;
2165
    os/2*)
2166
        strip="lxlite"
2167
        ln_s="cp -f"
2168
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2169
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2170
        FFSERVERLDFLAGS=""
2171
        LIBSUF="_s.a"
2172
        SLIBPREF=""
2173
        SLIBSUF=".dll"
2174
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2175
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2176
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2177
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2178
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2179
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2180
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2181
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2182
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2183
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2184
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2185
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2186
        enable dos_paths
2187
        ;;
2188
    gnu/kfreebsd)
2189
        ;;
2190
    gnu)
2191
        ;;
2192

    
2193
    *)
2194
        die "Unknown OS '$target_os'."
2195
        ;;
2196
esac
2197

    
2198
set_default $PATHS_LIST
2199

    
2200
add_extralibs $osextralibs
2201

    
2202
# Combine FFLDFLAGS and the LDFLAGS environment variable.
2203
LDFLAGS="$FFLDFLAGS $LDFLAGS"
2204

    
2205
# we need to build at least one lib type
2206
if ! enabled_any static shared; then
2207
    cat <<EOF
2208
At least one library type must be built.
2209
Specify --enable-static to build the static libraries or --enable-shared to
2210
build the shared libraries as well. To only build the shared libraries specify
2211
--disable-static in addition to --enable-shared.
2212
EOF
2213
    exit 1;
2214
fi
2215

    
2216
disabled static && LIBNAME=""
2217

    
2218
if enabled_any libfaad libfaadbin ; then
2219
    if check_header faad.h; then
2220
        check_cc <<EOF
2221
#include <faad.h>
2222
#ifndef FAAD2_VERSION
2223
ok faad1
2224
#endif
2225
int main(void) { return 0; }
2226
EOF
2227
        test $? = 0 && enable libfaad2
2228
    else
2229
        die "FAAD test failed."
2230
    fi
2231
fi
2232

    
2233

    
2234
die_license_disabled() {
2235
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2236
}
2237

    
2238
die_license_disabled gpl libfaad2
2239
die_license_disabled gpl libx264
2240
die_license_disabled gpl libxvid
2241
die_license_disabled gpl postproc
2242
die_license_disabled gpl x11grab
2243

    
2244
die_license_disabled nonfree libfaac
2245

    
2246
die_license_disabled version3 libopencore_amrnb
2247
die_license_disabled version3 libopencore_amrwb
2248

    
2249
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2250

    
2251
check_deps $ARCH_EXT_LIST
2252

    
2253
disabled optimizations || check_cflags -fomit-frame-pointer
2254

    
2255
enable_pic() {
2256
    enable pic
2257
    add_cppflags -DPIC
2258
    add_cflags   -fPIC
2259
    add_asflags  -fPIC
2260
}
2261

    
2262
enabled pic && enable_pic
2263

    
2264
check_cc <<EOF || die "Symbol mangling check failed."
2265
int ff_extern;
2266
EOF
2267
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2268
extern_prefix=${sym%%ff_extern*}
2269

    
2270
check_cc <<EOF && enable inline_asm
2271
void foo(void) { __asm__ volatile ("" ::); }
2272
EOF
2273

    
2274
_restrict=
2275
for restrict_keyword in restrict __restrict__ __restrict; do
2276
    check_cc <<EOF && _restrict=$restrict_keyword && break
2277
void foo(char * $restrict_keyword p);
2278
EOF
2279
done
2280

    
2281
check_cc <<EOF && enable attribute_packed
2282
struct { int x; } __attribute__((packed)) x;
2283
EOF
2284

    
2285
check_cc <<EOF || die "endian test failed"
2286
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2287
EOF
2288
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2289

    
2290
if enabled alpha; then
2291

    
2292
    check_cflags -mieee
2293

    
2294
elif enabled arm; then
2295

    
2296
    check_cflags -marm
2297

    
2298
    check_ld <<EOF && enable vfp_args
2299
__asm__ (".eabi_attribute 28, 1");
2300
int main(void) { return 0; }
2301
EOF
2302

    
2303
    # We have to check if pld is a nop and disable it.
2304
    check_asm pld '"pld [r0]"'
2305

    
2306
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2307
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2308
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2309
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2310
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2311
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2312

    
2313
    enabled_all armv6t2 shared !pic && enable_pic
2314

    
2315
elif enabled ia64; then
2316

    
2317
    # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2318
    enabled shared && enable_weak hardcoded_tables
2319

    
2320
elif enabled mips; then
2321

    
2322
    check_asm loongson '"dmult.g $1, $2, $3"'
2323
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2324

    
2325
elif enabled ppc; then
2326

    
2327
    check_asm dcbzl     '"dcbzl 0, 1"'
2328
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2329
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2330

    
2331
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2332
    if enabled altivec; then
2333
        check_cflags -maltivec -mabi=altivec &&
2334
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2335
        check_cflags -faltivec
2336

    
2337
        # check if our compiler supports Motorola AltiVec C API
2338
        check_cc <<EOF || disable altivec
2339
$inc_altivec_h
2340
int main(void) {
2341
    vector signed int v1, v2, v3;
2342
    v1 = vec_add(v2,v3);
2343
    return 0;
2344
}
2345
EOF
2346

    
2347
        # check if our compiler supports braces for vector declarations
2348
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2349
$inc_altivec_h
2350
int main (void) { (vector int) {1}; return 0; }
2351
EOF
2352
    fi
2353

    
2354
elif enabled sparc; then
2355

    
2356
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2357
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2358

    
2359
elif enabled x86; then
2360

    
2361
    # check whether EBP is available on x86
2362
    # As 'i' is stored on the stack, this program will crash
2363
    # if the base pointer is used to access it because the
2364
    # base pointer is cleared in the inline assembly code.
2365
    check_exec_crash <<EOF && enable ebp_available
2366
    volatile int i=0;
2367
    __asm__ volatile (
2368
        "xorl %%ebp, %%ebp"
2369
    ::: "%ebp");
2370
    return i;
2371
EOF
2372

    
2373
    # check whether EBX is available on x86
2374
    check_asm ebx_available '""::"b"(0)' &&
2375
        check_asm ebx_available '"":::"%ebx"'
2376

    
2377
    # check whether more than 10 operands are supported
2378
    check_cc <<EOF && enable ten_operands
2379
int main(void) {
2380
    int x=0;
2381
    __asm__ volatile(
2382
        ""
2383
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2384
    );
2385
    return 0;
2386
}
2387
EOF
2388

    
2389
    # check whether binutils is new enough to compile SSSE3/MMX2
2390
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2391
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2392

    
2393
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2394

    
2395
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2396
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2397
    enabled     pic           && append YASMFLAGS "-DPIC"
2398
    test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2399
    case "$objformat" in
2400
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2401
    esac
2402
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2403

    
2404
    case "$cpu" in
2405
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2406
            disable fast_clz
2407
        ;;
2408
    esac
2409

    
2410
fi
2411

    
2412
if check_func dlopen; then
2413
    ldl=
2414
elif check_func dlopen -ldl; then
2415
    ldl=-ldl
2416
fi
2417

    
2418
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2419
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2420

    
2421
check_func  fork
2422
check_func  getaddrinfo $network_extralibs
2423
check_func  gethrtime
2424
check_func  getrusage
2425
check_func  inet_aton $network_extralibs
2426
check_func  isatty
2427
check_func  memalign
2428
check_func  mkstemp
2429
check_func  posix_memalign
2430
check_func_headers io.h setmode
2431
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2432
check_func_headers windows.h GetProcessTimes
2433
check_func_headers windows.h VirtualAlloc
2434

    
2435
check_header conio.h
2436
check_header dlfcn.h
2437
check_header dxva2api.h
2438
check_header malloc.h
2439
check_header poll.h
2440
check_header sys/mman.h
2441
check_header sys/resource.h
2442
check_header sys/select.h
2443
check_header termios.h
2444
check_header vdpau/vdpau.h
2445
check_header vdpau/vdpau_x11.h
2446
check_header X11/extensions/XvMClib.h
2447

    
2448
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2449

    
2450
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2451
     enabled_any $need_memalign ; then
2452
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2453
fi
2454

    
2455
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2456
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2457

    
2458
# check for some common methods of building with pthread support
2459
# do this before the optional library checks as some of them require pthreads
2460
if enabled pthreads; then
2461
    if check_func pthread_create; then
2462
        :
2463
    elif check_func pthread_create -pthread; then
2464
        add_cflags -pthread
2465
        add_extralibs -pthread
2466
    elif check_func pthread_create -pthreads; then
2467
        add_cflags -pthreads
2468
        add_extralibs -pthreads
2469
    elif check_func pthread_create -lpthreadGC2; then
2470
        add_extralibs -lpthreadGC2
2471
    elif ! check_lib pthread.h pthread_create -lpthread; then
2472
        die "ERROR: can't find pthreads library"
2473
    fi
2474
fi
2475

    
2476
for thread in $THREADS_LIST; do
2477
    if enabled $thread; then
2478
        test -n "$thread_type" &&
2479
            die "ERROR: Only one thread type must be selected." ||
2480
            thread_type="$thread"
2481
    fi
2482
done
2483

    
2484
check_lib math.h sin -lm
2485
check_lib va/va.h vaInitialize -lva
2486

    
2487
check_func exp2
2488
check_func exp2f
2489
check_func llrint
2490
check_func log2
2491
check_func log2f
2492
check_func lrint
2493
check_func lrintf
2494
check_func round
2495
check_func roundf
2496
check_func truncf
2497

    
2498
# these are off by default, so fail if requested and not available
2499
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2500
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2501
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2502
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2503
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2504
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2505
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2506
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2507
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2508
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2509
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2510
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2511
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2512
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2513
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2514
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2515
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2516
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
2517
                      { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2518
                        die "ERROR: libx264 version must be >= 0.83."; }
2519
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2520
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2521

    
2522
# libdc1394 check
2523
if enabled libdc1394; then
2524
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2525
        enable libdc1394_2; } ||
2526
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2527
        enable libdc1394_1; } ||
2528
    die "ERROR: No version of libdc1394 found "
2529
fi
2530

    
2531
SDL_CONFIG="${cross_prefix}sdl-config"
2532
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2533
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2534
    sdl_libs=$("${SDL_CONFIG}" --libs)
2535
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2536
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2537
    enable sdl &&
2538
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2539
fi
2540

    
2541
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2542

    
2543
if enabled network; then
2544
    check_type "sys/types.h sys/socket.h" socklen_t
2545
    check_type netdb.h "struct addrinfo"
2546
    check_type netinet/in.h "struct ipv6_mreq"
2547
    check_type netinet/in.h "struct sockaddr_in6"
2548
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2549
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2550
    # Prefer arpa/inet.h over winsock2
2551
    if check_header arpa/inet.h ; then
2552
        check_func closesocket
2553
    elif check_header winsock2.h ; then
2554
        check_func_headers winsock2.h closesocket -lws2 && \
2555
            network_extralibs="-lws2" || \
2556
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2557
            network_extralibs="-lws2_32"; }
2558
        # getaddrinfo is available if _WIN32_WINNT >= 0x0501 is defined
2559
        check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
2560
        check_type ws2tcpip.h socklen_t
2561
        check_type ws2tcpip.h "struct addrinfo"
2562
        check_type ws2tcpip.h "struct ipv6_mreq"
2563
        check_type ws2tcpip.h "struct sockaddr_in6"
2564
        check_type ws2tcpip.h "struct sockaddr_storage"
2565
        check_struct winsock2.h "struct sockaddr" sa_len
2566
    else
2567
        disable network
2568
    fi
2569
fi
2570

    
2571
check_header linux/videodev.h
2572
check_header linux/videodev2.h
2573
check_header sys/videoio.h
2574

    
2575
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2576

    
2577
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2578
{ check_header dev/bktr/ioctl_meteor.h &&
2579
  check_header dev/bktr/ioctl_bt848.h; } ||
2580
{ check_header machine/ioctl_meteor.h &&
2581
  check_header machine/ioctl_bt848.h; } ||
2582
{ check_header dev/video/meteor/ioctl_meteor.h &&
2583
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2584
check_header dev/ic/bt8xx.h
2585

    
2586
check_header sys/soundcard.h
2587
check_header soundcard.h
2588

    
2589
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2590

    
2591
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2592

    
2593
enabled x11grab                         &&
2594
check_header X11/Xlib.h                 &&
2595
check_header X11/extensions/XShm.h      &&
2596
check_header X11/extensions/Xfixes.h    &&
2597
check_func XOpenDisplay -lX11           &&
2598
check_func XShmCreateImage -lX11 -lXext &&
2599
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2600

    
2601
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2602
check_cpp_condition \
2603
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2604
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2605
      disable vdpau; }
2606
fi
2607

    
2608
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2609

    
2610
# add some useful compiler flags if supported
2611
check_cflags -Wdeclaration-after-statement
2612
check_cflags -Wall
2613
check_cflags -Wno-switch
2614
check_cflags -Wdisabled-optimization
2615
check_cflags -Wpointer-arith
2616
check_cflags -Wredundant-decls
2617
check_cflags -Wno-pointer-sign
2618
check_cflags -Wcast-qual
2619
check_cflags -Wwrite-strings
2620
check_cflags -Wtype-limits
2621
check_cflags -Wundef
2622
enabled extra_warnings && check_cflags -Winline
2623

    
2624
# add some linker flags
2625
check_ldflags -Wl,--warn-common
2626
check_ldflags -Wl,--as-needed
2627
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'
2628
check_ldflags -Wl,-Bsymbolic
2629

    
2630
echo "X{};" > $TMPV
2631
test_ldflags -Wl,--version-script,$TMPV &&
2632
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2633

    
2634
if enabled small; then
2635
    check_cflags -Os            # not all compilers support -Os
2636
    optimizations="small"
2637
elif enabled optimizations; then
2638
    if enabled xlc; then
2639
        add_cflags  -O5
2640
        add_ldflags -O5
2641
    elif enabled suncc; then
2642
        add_cflags -O5
2643
    elif enabled ccc; then
2644
        add_cflags -fast
2645
    else
2646
        add_cflags -O3
2647
    fi
2648
fi
2649
check_cflags -fno-math-errno
2650
check_cflags -fno-signed-zeros
2651

    
2652
if enabled icc; then
2653
    # Just warnings, no remarks
2654
    check_cflags -w1
2655
    # -wd: Disable following warnings
2656
    # 144, 167, 556: -Wno-pointer-sign
2657
    # 10006: ignoring unknown option -fno-signed-zeros
2658
    # 10156: ignoring option '-W'; no argument required
2659
    check_cflags -wd144,167,556,10006,10156
2660
    # 11030: Warning unknown option --as-needed
2661
    # 10156: ignoring option '-export'; no argument required
2662
    check_ldflags -wd10156,11030
2663
    # Allow to compile with optimizations
2664
    check_ldflags -march=$cpu
2665
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2666
    enable ebp_available
2667
elif enabled ccc; then
2668
    # disable some annoying warnings
2669
    add_cflags -msg_disable cvtu32to64
2670
    add_cflags -msg_disable embedcomment
2671
    add_cflags -msg_disable needconstext
2672
    add_cflags -msg_disable nomainieee
2673
    add_cflags -msg_disable ptrmismatch1
2674
    add_cflags -msg_disable unreachcode
2675
elif enabled gcc; then
2676
    check_cflags -fno-tree-vectorize
2677
elif enabled clang; then
2678
    check_cflags -Qunused-arguments
2679
elif enabled armcc; then
2680
    # 2523: use of inline assembler is deprecated
2681
    add_cflags -Wrvct,--diag_suppress=2523
2682
elif enabled tms470; then
2683
    add_cflags -pds=824 -pds=837
2684
fi
2685

    
2686
if enabled gprof; then
2687
    add_cflags  -p
2688
    add_ldflags -p
2689
fi
2690

    
2691
# Find out if the .align argument is a power of two or not.
2692
check_asm asmalign_pot '".align 3"'
2693

    
2694
enabled_any $DECODER_LIST      && enable decoders
2695
enabled_any $ENCODER_LIST      && enable encoders
2696
enabled_any $HWACCEL_LIST      && enable hwaccels
2697
enabled_any $BSF_LIST          && enable bsfs
2698
enabled_any $DEMUXER_LIST      && enable demuxers
2699
enabled_any $MUXER_LIST        && enable muxers
2700
enabled_any $FILTER_LIST       && enable filters
2701
enabled_any $INDEV_LIST        && enable indevs
2702
enabled_any $OUTDEV_LIST       && enable outdevs
2703
enabled_any $PROTOCOL_LIST     && enable protocols
2704

    
2705
enabled_any $THREADS_LIST      && enable threads
2706

    
2707
check_deps $CONFIG_LIST       \
2708
           $CONFIG_EXTRA      \
2709
           $HAVE_LIST         \
2710
           $DECODER_LIST      \
2711
           $ENCODER_LIST      \
2712
           $HWACCEL_LIST      \
2713
           $PARSER_LIST       \
2714
           $BSF_LIST          \
2715
           $DEMUXER_LIST      \
2716
           $MUXER_LIST        \
2717
           $FILTER_LIST       \
2718
           $INDEV_LIST        \
2719
           $OUTDEV_LIST       \
2720
           $PROTOCOL_LIST     \
2721

    
2722
enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2723

    
2724
echo "install prefix            $prefix"
2725
echo "source path               $source_path"
2726
echo "C compiler                $cc"
2727
echo ".align is power-of-two    $asmalign_pot"
2728
echo "ARCH                      $arch ($cpu)"
2729
if test "$build_suffix" != ""; then
2730
    echo "build suffix              $build_suffix"
2731
fi
2732
if test "$extra_version" != ""; then
2733
    echo "version string suffix     $extra_version"
2734
fi
2735
echo "big-endian                ${bigendian-no}"
2736
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2737
if enabled x86; then
2738
    echo "yasm                      ${yasm-no}"
2739
    echo "MMX enabled               ${mmx-no}"
2740
    echo "MMX2 enabled              ${mmx2-no}"
2741
    echo "3DNow! enabled            ${amd3dnow-no}"
2742
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2743
    echo "SSE enabled               ${sse-no}"
2744
    echo "SSSE3 enabled             ${ssse3-no}"
2745
    echo "CMOV enabled              ${cmov-no}"
2746
    echo "CMOV is fast              ${fast_cmov-no}"
2747
    echo "EBX available             ${ebx_available-no}"
2748
    echo "EBP available             ${ebp_available-no}"
2749
    echo "10 operands supported     ${ten_operands-no}"
2750
fi
2751
if enabled arm; then
2752
    echo "ARMv5TE enabled           ${armv5te-no}"
2753
    echo "ARMv6 enabled             ${armv6-no}"
2754
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2755
    echo "ARM VFP enabled           ${armvfp-no}"
2756
    echo "IWMMXT enabled            ${iwmmxt-no}"
2757
    echo "NEON enabled              ${neon-no}"
2758
fi
2759
if enabled mips; then
2760
    echo "MMI enabled               ${mmi-no}"
2761
fi
2762
if enabled ppc; then
2763
    echo "AltiVec enabled           ${altivec-no}"
2764
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2765
    echo "dcbzl available           ${dcbzl-no}"
2766
    echo "performance report        ${powerpc_perf-no}"
2767
fi
2768
if enabled sparc; then
2769
    echo "VIS enabled               ${vis-no}"
2770
fi
2771
echo "gprof enabled             ${gprof-no}"
2772
echo "debug symbols             ${debug-no}"
2773
echo "strip symbols             ${stripping-no}"
2774
echo "optimizations             ${optimizations-no}"
2775
echo "static                    ${static-no}"
2776
echo "shared                    ${shared-no}"
2777
echo "postprocessing support    ${postproc-no}"
2778
echo "new filter support        ${avfilter-no}"
2779
echo "filters using lavformat   ${avfilter_lavf-no}"
2780
echo "network support           ${network-no}"
2781
echo "threading support         ${thread_type-no}"
2782
echo "SDL support               ${sdl-no}"
2783
echo "Sun medialib support      ${mlib-no}"
2784
echo "AVISynth enabled          ${avisynth-no}"
2785
echo "libdc1394 support         ${libdc1394-no}"
2786
echo "libdirac enabled          ${libdirac-no}"
2787
echo "libfaac enabled           ${libfaac-no}"
2788
echo "libfaad enabled           ${libfaad-no}"
2789
echo "libfaad dlopened          ${libfaadbin-no}"
2790
echo "libgsm enabled            ${libgsm-no}"
2791
echo "libmp3lame enabled        ${libmp3lame-no}"
2792
echo "libnut enabled            ${libnut-no}"
2793
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2794
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2795
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2796
echo "libschroedinger enabled   ${libschroedinger-no}"
2797
echo "libspeex enabled          ${libspeex-no}"
2798
echo "libtheora enabled         ${libtheora-no}"
2799
echo "libvorbis enabled         ${libvorbis-no}"
2800
echo "libx264 enabled           ${libx264-no}"
2801
echo "libxvid enabled           ${libxvid-no}"
2802
echo "zlib enabled              ${zlib-no}"
2803
echo "bzlib enabled             ${bzlib-no}"
2804
echo
2805

    
2806
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2807
    echo "Enabled ${type}s:"
2808
    eval list=\$$(toupper $type)_LIST
2809
    for part in $list; do
2810
        enabled $part && echo ${part%_*}
2811
    done | sort | pr -3 -t
2812
    echo
2813
done
2814

    
2815
license="LGPL version 2.1 or later"
2816
if enabled nonfree; then
2817
    license="nonfree and unredistributable"
2818
elif enabled gplv3; then
2819
    license="GPL version 3 or later"
2820
elif enabled lgplv3; then
2821
    license="LGPL version 3 or later"
2822
elif enabled gpl; then
2823
    license="GPL version 2 or later"
2824
fi
2825

    
2826
echo "License: $license"
2827

    
2828
echo "Creating config.mak and config.h..."
2829

    
2830
# build tree in object directory if source path is different from current one
2831
if enabled source_path_used; then
2832
    DIRS="
2833
        doc
2834
        libavcodec
2835
        libavcodec/$arch
2836
        libavdevice
2837
        libavfilter
2838
        libavformat
2839
        libavutil
2840
        libavutil/$arch
2841
        libpostproc
2842
        libswscale
2843
        libswscale/$arch
2844
        tests
2845
        tools
2846
    "
2847
    FILES="
2848
        Makefile
2849
        common.mak
2850
        subdir.mak
2851
        doc/texi2pod.pl
2852
        libavcodec/Makefile
2853
        libavdevice/Makefile
2854
        libavfilter/Makefile
2855
        libavformat/Makefile
2856
        libavutil/Makefile
2857
        libpostproc/Makefile
2858
        libswscale/Makefile
2859
    "
2860
    for dir in $DIRS ; do
2861
        mkdir -p $dir
2862
    done
2863
    for f in $FILES ; do
2864
        $ln_s "$source_path/$f" $f
2865
    done
2866
fi
2867

    
2868
enabled stripping || strip="echo skipping strip"
2869

    
2870
cat > config.mak <<EOF
2871
# Automatically generated by configure - do not modify!
2872
ifndef FFMPEG_CONFIG_MAK
2873
FFMPEG_CONFIG_MAK=1
2874
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2875
prefix=$prefix
2876
LIBDIR=\$(DESTDIR)$libdir
2877
SHLIBDIR=\$(DESTDIR)$shlibdir
2878
INCDIR=\$(DESTDIR)$incdir
2879
BINDIR=\$(DESTDIR)$bindir
2880
DATADIR=\$(DESTDIR)$datadir
2881
MANDIR=\$(DESTDIR)$mandir
2882
SRC_PATH="$source_path"
2883
SRC_PATH_BARE=$source_path
2884
BUILD_ROOT="$PWD"
2885
ARCH=$arch
2886
CC=$cc
2887
AS=$as
2888
LD=$ld
2889
DEPCC=$dep_cc
2890
YASM=$yasmexe
2891
AR=$ar
2892
RANLIB=$ranlib
2893
LN_S=$ln_s
2894
STRIP=$strip
2895
CPPFLAGS=$CPPFLAGS
2896
CFLAGS=$CFLAGS
2897
ASFLAGS=$ASFLAGS
2898
CC_O=$CC_O
2899
LDFLAGS=$LDFLAGS
2900
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2901
SHFLAGS=$SHFLAGS
2902
YASMFLAGS=$YASMFLAGS
2903
BUILDSUF=$build_suffix
2904
FULLNAME=$FULLNAME
2905
LIBPREF=$LIBPREF
2906
LIBSUF=$LIBSUF
2907
LIBNAME=$LIBNAME
2908
SLIBPREF=$SLIBPREF
2909
SLIBSUF=$SLIBSUF
2910
EXESUF=$EXESUF
2911
EXTRA_VERSION=$extra_version
2912
DEPFLAGS=$DEPFLAGS
2913
CCDEP=$CCDEP
2914
ASDEP=$ASDEP
2915
CC_DEPFLAGS=$CC_DEPFLAGS
2916
AS_DEPFLAGS=$AS_DEPFLAGS
2917
HOSTCC=$host_cc
2918
HOSTCFLAGS=$host_cflags
2919
HOSTEXESUF=$HOSTEXESUF
2920
HOSTLDFLAGS=$host_ldflags
2921
HOSTLIBS=$host_libs
2922
TARGET_EXEC=$target_exec
2923
TARGET_PATH=$target_path
2924
SDL_LIBS=$sdl_libs
2925
SDL_CFLAGS=$sdl_cflags
2926
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2927
EXTRALIBS=$extralibs
2928
EOF
2929

    
2930
get_version(){
2931
    name=$1
2932
    file=$source_path/$2
2933
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2934
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2935
    lcname=$(tolower $name)
2936
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2937
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2938
}
2939

    
2940
get_version LIBSWSCALE  libswscale/swscale.h
2941
get_version LIBPOSTPROC libpostproc/postprocess.h
2942
get_version LIBAVCODEC  libavcodec/avcodec.h
2943
get_version LIBAVDEVICE libavdevice/avdevice.h
2944
get_version LIBAVFORMAT libavformat/avformat.h
2945
get_version LIBAVUTIL   libavutil/avutil.h
2946
get_version LIBAVFILTER libavfilter/avfilter.h
2947

    
2948
enabled shared && cat >> config.mak <<EOF
2949
LIBTARGET=${LIBTARGET}
2950
SLIBNAME=${SLIBNAME}
2951
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2952
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2953
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2954
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2955
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2956
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2957
EOF
2958

    
2959
enabled asmalign_pot || align_shift="1 <<"
2960

    
2961
cat > $TMPH <<EOF
2962
/* Automatically generated by configure - do not modify! */
2963
#ifndef FFMPEG_CONFIG_H
2964
#define FFMPEG_CONFIG_H
2965
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
2966
#define FFMPEG_LICENSE "$(c_escape $license)"
2967
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2968
#define CC_TYPE "$cc_type"
2969
#define CC_VERSION $cc_version
2970
#define restrict $_restrict
2971
#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
2972
#define EXTERN_PREFIX "${extern_prefix}"
2973
#define EXTERN_ASM ${extern_prefix}
2974
EOF
2975

    
2976
if enabled small || disabled optimizations; then
2977
    echo "#define av_always_inline"  >> $TMPH
2978
fi
2979

    
2980
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2981
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2982
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2983
                                      $CONFIG_EXTRA      \
2984
                                      $DECODER_LIST      \
2985
                                      $ENCODER_LIST      \
2986
                                      $HWACCEL_LIST      \
2987
                                      $PARSER_LIST       \
2988
                                      $BSF_LIST          \
2989
                                      $DEMUXER_LIST      \
2990
                                      $MUXER_LIST        \
2991
                                      $FILTER_LIST       \
2992
                                      $PROTOCOL_LIST     \
2993
                                      $INDEV_LIST        \
2994
                                      $OUTDEV_LIST       \
2995

    
2996
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2997
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2998

    
2999
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3000
cp_if_changed $TMPH config.h
3001

    
3002
cat > $TMPH <<EOF
3003
/* Generated by ffconf */
3004
#ifndef AVUTIL_AVCONFIG_H
3005
#define AVUTIL_AVCONFIG_H
3006
EOF
3007

    
3008
print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3009

    
3010
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3011

    
3012
cp_if_changed $TMPH libavutil/avconfig.h
3013

    
3014
# build pkg-config files
3015

    
3016
pkgconfig_generate(){
3017
name=$1
3018
shortname=${name#lib}${build_suffix}
3019
comment=$2
3020
version=$3
3021
libs=$4
3022
requires=$5
3023
cat <<EOF > $name/$name.pc
3024
prefix=$prefix
3025
exec_prefix=\${prefix}
3026
libdir=$libdir
3027
includedir=$incdir
3028

    
3029
Name: $name
3030
Description: $comment
3031
Version: $version
3032
Requires: $(enabled shared || echo $requires)
3033
Requires.private: $(enabled shared && echo $requires)
3034
Conflicts:
3035
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3036
Libs.private: $(enabled shared && echo $libs)
3037
Cflags: -I\${includedir}
3038
EOF
3039
cat <<EOF > $name/$name-uninstalled.pc
3040
prefix=
3041
exec_prefix=
3042
libdir=\${pcfiledir}
3043
includedir=${source_path}
3044

    
3045
Name: $name
3046
Description: $comment
3047
Version: $version
3048
Requires: $requires
3049
Conflicts:
3050
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3051
Cflags: -I\${includedir}
3052
EOF
3053
}
3054

    
3055
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3056
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3057
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3058
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3059
enabled avfilter &&
3060
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3061
enabled postproc &&
3062
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3063
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"