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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

    
57
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
86
  --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]
92
  --enable-avfilter-lavf   video filters dependent on avformat [no]
93
  --enable-beosthreads     use BeOS threads [no]
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  --enable-os2threads      use OS/2 threads [no]
95
  --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]
100
  --enable-gray            enable full grayscale support (slower color)
101
  --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)
115
  --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,
176
                           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,
182
                           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
    speed_cflags='-O3'
1661
    size_cflags='-Os'
1662
elif $cc --version 2>/dev/null | grep -q Intel; then
1663
    cc_type=icc
1664
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1665
    CC_DEPFLAGS='-MMD'
1666
    AS_DEPFLAGS='-MMD'
1667
    speed_cflags='-O3'
1668
    size_cflags='-Os'
1669
elif $cc -v 2>&1 | grep -q xlc; then
1670
    cc_type=xlc
1671
    cc_version="AV_STRINGIFY(__IBMC__)"
1672
    speed_cflags='-O5'
1673
    size_cflags='-O5 -qcompact'
1674
elif $cc -V 2>/dev/null | grep -q Compaq; then
1675
    cc_type=ccc
1676
    cc_version="AV_STRINGIFY(__DECC_VER)"
1677
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1678
    debuglevel=3
1679
    add_ldflags -Wl,-z,now # calls to libots crash without this
1680
    speed_cflags='-fast'
1681
    size_cflags='-O1'
1682
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1683
    test -d "$sysroot" || die "No valid sysroot specified."
1684
    cc_type=armcc
1685
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1686
    armcc_conf="$PWD/armcc.conf"
1687
    $cc --arm_linux_configure                 \
1688
        --arm_linux_config_file="$armcc_conf" \
1689
        --configure_sysroot="$sysroot"        \
1690
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1691
        die "Error creating armcc configuration file."
1692
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1693
    as_default="${cross_prefix}gcc"
1694
    CC_DEPFLAGS='-MMD'
1695
    AS_DEPFLAGS='-MMD'
1696
    speed_cflags='-O3'
1697
    size_cflags='-Os'
1698
elif $cc -version 2>/dev/null | grep -q TMS470; then
1699
    cc_type=tms470
1700
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1701
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1702
    CC_O='-fr=$(@D)'
1703
    as_default="${cross_prefix}gcc"
1704
    ld_default="${cross_prefix}gcc"
1705
    TMPO=$(basename $TMPC .c).o
1706
    append TMPFILES $TMPO
1707
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1708
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1709
    AS_DEPFLAGS='-MMD'
1710
    speed_cflags='-O3 -mf=5'
1711
    size_cflags='-O3 -mf=2'
1712
    filter_cflags=tms470_flags
1713
    tms470_flags(){
1714
        for flag; do
1715
            case $flag in
1716
                -march=*|-mcpu=*)
1717
                    case "${flag#*=}" in
1718
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1719
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1720
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1721
                        armv6*|arm11*)          echo -mv=6   ;;
1722
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1723
                                                echo -mv=5e  ;;
1724
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1725
                    esac
1726
                    ;;
1727
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1728
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1729
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1730
                -msoft-float)   echo --float_support=vfplib       ;;
1731
                -O[0-3]|-mf=*)  echo $flag                        ;;
1732
                -g)             echo -g -mn                       ;;
1733
                -pds=*)         echo $flag                        ;;
1734
            esac
1735
        done
1736
    }
1737
elif $cc -v 2>&1 | grep -q clang; then
1738
    cc_type=clang
1739
    cc_version=__VERSION__
1740
    CC_DEPFLAGS='-MMD'
1741
    AS_DEPFLAGS='-MMD'
1742
    speed_cflags='-O3'
1743
    size_cflags='-Os'
1744
elif $cc -V 2>&1 | grep -q Sun; then
1745
    cc_type=suncc
1746
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1747
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1748
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1749
    speed_cflags='-O5'
1750
    size_cflags='-O5 -xspace'
1751
    filter_cflags=suncc_flags
1752
    suncc_flags(){
1753
        for flag; do
1754
            case $flag in
1755
                -march=*|-mcpu=*)
1756
                    case "${flag#*=}" in
1757
                        native)                   echo -xtarget=native       ;;
1758
                        v9)                       echo -xarch=sparc          ;;
1759
                        ultrasparc)               echo -xarch=sparcvis       ;;
1760
                        ultrasparc3|niagara*)     echo -xarch=sparcvis2      ;;
1761
                        i586|pentium)             echo -xchip=pentium        ;;
1762
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1763
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1764
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1765
                        pentium4*)          echo -xtarget=pentium4           ;;
1766
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1767
                        *-sse3)             echo -xarch=sse3                 ;;
1768
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1769
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1770
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1771
                        k8|opteron|athlon64|athlon-fx)
1772
                                                  echo -xarch=sse2a          ;;
1773
                        athlon*)                  echo -xarch=pentium_proa   ;;
1774
                    esac
1775
                    ;;
1776
                -std=c99)             echo -xc99              ;;
1777
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1778
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1779
                -W*,*)                echo $flag              ;;
1780
                -f*-*|-W*)                                    ;;
1781
                *)                    echo $flag              ;;
1782
            esac
1783
        done
1784
    }
1785
fi
1786

    
1787
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1788

    
1789
: ${as_default:=$cc}
1790
: ${dep_cc_default:=$cc}
1791
: ${ld_default:=$cc}
1792
set_default as dep_cc ld
1793

    
1794
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1795
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1796

    
1797
add_cflags $extra_cflags
1798
add_asflags $extra_cflags
1799

    
1800
if test -n "$sysroot"; then
1801
    case "$cc_type" in
1802
        gcc)
1803
            add_cppflags --sysroot="$sysroot"
1804
            add_ldflags --sysroot="$sysroot"
1805
        ;;
1806
        tms470)
1807
            add_cppflags -I"$sysinclude"
1808
            add_ldflags  --sysroot="$sysroot"
1809
        ;;
1810
        clang)
1811
            add_cppflags -isysroot="$sysroot"
1812
            add_ldflags -isysroot="$sysroot"
1813
        ;;
1814
    esac
1815
fi
1816

    
1817
if test "$cpu" = host; then
1818
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1819

    
1820
    case "$cc_type" in
1821
        gcc)
1822
            check_native(){
1823
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1824
                sed -n "/$1=/{
1825
                            s/.*$1=\\([^ ]*\\).*/\\1/
1826
                            p
1827
                            q
1828
                        }" $TMPE
1829
            }
1830
            cpu=$(check_native -march || check_native -mcpu)
1831
        ;;
1832
    esac
1833

    
1834
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1835
fi
1836

    
1837
# Deal with common $arch aliases
1838
case "$arch" in
1839
    arm*)
1840
        arch="arm"
1841
    ;;
1842
    mips|mipsel|IP*)
1843
        arch="mips"
1844
    ;;
1845
    mips64)
1846
        arch="mips"
1847
        subarch="mips64"
1848
    ;;
1849
    parisc|hppa)
1850
        arch="parisc"
1851
    ;;
1852
    parisc64|hppa64)
1853
        arch="parisc"
1854
        subarch="parisc64"
1855
    ;;
1856
    "Power Macintosh"|ppc|powerpc)
1857
        arch="ppc"
1858
    ;;
1859
    ppc64)
1860
        arch="ppc"
1861
        subarch="ppc64"
1862
    ;;
1863
    s390|s390x)
1864
        arch="s390"
1865
    ;;
1866
    sh4|sh)
1867
        arch="sh4"
1868
    ;;
1869
    sun4u|sparc64)
1870
        arch="sparc"
1871
        subarch="sparc64"
1872
    ;;
1873
    i[3-6]86|i86pc|BePC|x86_64|amd64)
1874
        arch="x86"
1875
    ;;
1876
esac
1877

    
1878
is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1879
enable $arch
1880

    
1881
# Add processor-specific flags
1882
if test "$cpu" = generic; then
1883
    : do nothing
1884
elif enabled ppc; then
1885

    
1886
    case $cpu in
1887
        601|ppc601|PowerPC601)
1888
            cpuflags="-mcpu=601"
1889
        ;;
1890
        603*|ppc603*|PowerPC603*)
1891
            cpuflags="-mcpu=603"
1892
        ;;
1893
        604*|ppc604*|PowerPC604*)
1894
            cpuflags="-mcpu=604"
1895
        ;;
1896
        G3|g3|75*|ppc75*|PowerPC75*)
1897
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1898
        ;;
1899
        G4|g4|745*|ppc745*|PowerPC745*)
1900
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1901
        ;;
1902
        74*|ppc74*|PowerPC74*)
1903
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1904
        ;;
1905
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1906
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1907
        ;;
1908
        Cell|CELL|cell)
1909
            cpuflags="-mcpu=cell"
1910
            enable ldbrx
1911
        ;;
1912
    esac
1913

    
1914
elif enabled x86; then
1915

    
1916
    case $cpu in
1917
        i[345]86|pentium)
1918
            cpuflags="-march=$cpu"
1919
            disable mmx
1920
        ;;
1921
        # targets that do NOT support conditional mov (cmov)
1922
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1923
            cpuflags="-march=$cpu"
1924
            disable cmov
1925
        ;;
1926
        # targets that do support conditional mov (cmov)
1927
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1928
            cpuflags="-march=$cpu"
1929
            enable cmov
1930
            enable fast_cmov
1931
        ;;
1932
        # targets that do support conditional mov but on which it's slow
1933
        pentium4|pentium4m|prescott|nocona)
1934
            cpuflags="-march=$cpu"
1935
            enable cmov
1936
            disable fast_cmov
1937
        ;;
1938
    esac
1939

    
1940
elif enabled sparc; then
1941

    
1942
    case $cpu in
1943
        sparc64)
1944
            cpuflags="-mcpu=v9"
1945
        ;;
1946
    esac
1947

    
1948
elif enabled arm; then
1949

    
1950
    case $cpu in
1951
        armv*)
1952
            cpuflags="-march=$cpu"
1953
        ;;
1954
        *)
1955
            cpuflags="-mcpu=$cpu"
1956
        ;;
1957
    esac
1958

    
1959
elif enabled alpha; then
1960

    
1961
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1962

    
1963
elif enabled bfin; then
1964

    
1965
    cpuflags="-mcpu=$cpu"
1966

    
1967
elif enabled mips; then
1968

    
1969
    cpuflags="-march=$cpu"
1970

    
1971
elif enabled avr32; then
1972

    
1973
    case $cpu in
1974
        ap7[02]0[0-2])
1975
            subarch="avr32_ap"
1976
            cpuflags="-mpart=$cpu"
1977
        ;;
1978
        ap)
1979
            subarch="avr32_ap"
1980
            cpuflags="-march=$cpu"
1981
        ;;
1982
        uc3[ab]*)
1983
            subarch="avr32_uc"
1984
            cpuflags="-mcpu=$cpu"
1985
        ;;
1986
        uc)
1987
            subarch="avr32_uc"
1988
            cpuflags="-march=$cpu"
1989
        ;;
1990
    esac
1991

    
1992
fi
1993

    
1994
add_cflags $cpuflags
1995
add_asflags $cpuflags
1996

    
1997
# compiler sanity check
1998
check_exec <<EOF
1999
int main(void){ return 0; }
2000
EOF
2001
if test "$?" != 0; then
2002
    echo "$cc is unable to create an executable file."
2003
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2004
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2005
        echo "Only do this if you know what cross compiling means."
2006
    fi
2007
    die "C compiler test failed."
2008
fi
2009

    
2010
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2011
check_cflags -std=c99
2012
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2013
#include <stdlib.h>
2014
EOF
2015
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2016
#include <stdlib.h>
2017
EOF
2018

    
2019
check_host_cflags -std=c99
2020

    
2021
case "$arch" in
2022
    alpha|ia64|mips|parisc|sparc)
2023
        spic=$shared
2024
    ;;
2025
    x86)
2026
        subarch="x86_32"
2027
        check_cc <<EOF && subarch="x86_64"
2028
        int test[(int)sizeof(char*) - 7];
2029
EOF
2030
        if test "$subarch" = "x86_64"; then
2031
            spic=$shared
2032
        fi
2033
    ;;
2034
esac
2035

    
2036
enable $subarch
2037
enabled spic && enable pic
2038
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2039

    
2040
# OS specific
2041
case $target_os in
2042
    beos|haiku|zeta)
2043
        prefix_default="$HOME/config"
2044
        # 3 gcc releases known for BeOS, each with ugly bugs
2045
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2046
        case "$gcc_version" in
2047
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2048
            disable mmx
2049
            ;;
2050
          *20010315*) echo "BeBits gcc"
2051
            add_cflags -fno-expensive-optimizations
2052
            ;;
2053
        esac
2054
        SHFLAGS=-nostart
2055
        # enable BeOS things
2056
        enable audio_beos
2057
        # no need for libm, but the inet stuff
2058
        # Check for BONE
2059
        # XXX: actually should check for NOT net_server
2060
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2061
            network_extralibs="-lbind -lsocket"
2062
        else
2063
            enable beos_netserver
2064
            network_extralibs="-lnet"
2065
        fi ;;
2066
    sunos)
2067
        FFSERVERLDFLAGS=""
2068
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2069
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2070
        network_extralibs="-lsocket -lnsl"
2071
        add_cppflags -D__EXTENSIONS__
2072
        nm_opts='-P -g'
2073
        ;;
2074
    netbsd)
2075
        oss_indev_extralibs="-lossaudio"
2076
        oss_outdev_extralibs="-lossaudio"
2077
        ;;
2078
    openbsd)
2079
        enable malloc_aligned
2080
        # On OpenBSD 4.5. the compiler does not use PIC unless
2081
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2082
        # however the generated executable will not do anything
2083
        # (simply quits with exit-code 1, no crash, no output).
2084
        # Thus explicitly enable PIC here.
2085
        enable pic
2086
        SHFLAGS='-shared'
2087
        oss_indev_extralibs="-lossaudio"
2088
        oss_outdev_extralibs="-lossaudio"
2089
        ;;
2090
    freebsd|dragonfly)
2091
        enable malloc_aligned
2092
        ;;
2093
    bsd/os)
2094
        osextralibs="-lpoll -lgnugetopt"
2095
        strip="strip -d"
2096
        ;;
2097
    darwin)
2098
        enable malloc_aligned
2099
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2100
        strip="strip -x"
2101
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2102
        SLIBSUF=".dylib"
2103
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2104
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2105
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2106
        objformat="macho"
2107
        enabled x86_64 && objformat="macho64"
2108
        enabled_any pic shared ||
2109
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2110
        ;;
2111
    mingw32*)
2112
        # Adding _WIN32_WINNT=0x0501 makes functions that require
2113
        # XP visible and thus may make it binary incompatible with
2114
        # earlier versions. Set --target-os=mingw32-prexp if this
2115
        # isn't desired.
2116
        test $target_os = "mingw32" && add_cflags -D_WIN32_WINNT=0x0501
2117
        if test $target_os = "mingw32ce"; then
2118
            disable network
2119
        else
2120
            target_os=mingw32
2121
        fi
2122
        LIBTARGET=i386
2123
        if enabled x86_64; then
2124
            enable malloc_aligned
2125
            LIBTARGET=x64
2126
        elif enabled arm; then
2127
            LIBTARGET=arm
2128
        fi
2129
        shlibdir_default="$bindir_default"
2130
        disable ffserver
2131
        SLIBPREF=""
2132
        SLIBSUF=".dll"
2133
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2134
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2135
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2136
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2137
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2138
            install -d "$(LIBDIR)"; \
2139
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2140
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2141
        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'
2142
        objformat="win32"
2143
        enable dos_paths
2144
        check_cflags -fno-common
2145
        if ! enabled x86_64; then
2146
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2147
                die "ERROR: MinGW runtime version must be >= 3.15."
2148
            enabled_any avisynth vfwcap_indev &&
2149
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2150
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2151
        fi
2152
        ;;
2153
    cygwin*)
2154
        target_os=cygwin
2155
        shlibdir_default="$bindir_default"
2156
        SLIBPREF="cyg"
2157
        SLIBSUF=".dll"
2158
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2159
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2160
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2161
        objformat="win32"
2162
        enable dos_paths
2163
        check_cflags -fno-common
2164
        ;;
2165
    *-dos|freedos|opendos)
2166
        disable ffplay ffserver
2167
        disable $INDEV_LIST $OUTDEV_LIST
2168
        network_extralibs="-lsocket"
2169
        objformat="coff"
2170
        enable dos_paths
2171
        ;;
2172
    linux)
2173
        enable dv1394
2174
        ;;
2175
    irix*)
2176
        target_os=irix
2177
        ranlib="echo ignoring ranlib"
2178
        ;;
2179
    os/2*)
2180
        strip="lxlite"
2181
        ln_s="cp -f"
2182
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2183
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2184
        FFSERVERLDFLAGS=""
2185
        LIBSUF="_s.a"
2186
        SLIBPREF=""
2187
        SLIBSUF=".dll"
2188
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2189
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2190
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2191
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2192
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2193
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2194
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2195
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2196
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2197
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2198
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2199
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2200
        enable dos_paths
2201
        ;;
2202
    gnu/kfreebsd)
2203
        ;;
2204
    gnu)
2205
        ;;
2206

    
2207
    *)
2208
        die "Unknown OS '$target_os'."
2209
        ;;
2210
esac
2211

    
2212
set_default $PATHS_LIST
2213

    
2214
add_extralibs $osextralibs
2215

    
2216
# Combine FFLDFLAGS and the LDFLAGS environment variable.
2217
LDFLAGS="$FFLDFLAGS $LDFLAGS"
2218

    
2219
# we need to build at least one lib type
2220
if ! enabled_any static shared; then
2221
    cat <<EOF
2222
At least one library type must be built.
2223
Specify --enable-static to build the static libraries or --enable-shared to
2224
build the shared libraries as well. To only build the shared libraries specify
2225
--disable-static in addition to --enable-shared.
2226
EOF
2227
    exit 1;
2228
fi
2229

    
2230
disabled static && LIBNAME=""
2231

    
2232
if enabled_any libfaad libfaadbin ; then
2233
    if check_header faad.h; then
2234
        check_cc <<EOF
2235
#include <faad.h>
2236
#ifndef FAAD2_VERSION
2237
ok faad1
2238
#endif
2239
int main(void) { return 0; }
2240
EOF
2241
        test $? = 0 && enable libfaad2
2242
    else
2243
        die "FAAD test failed."
2244
    fi
2245
fi
2246

    
2247

    
2248
die_license_disabled() {
2249
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2250
}
2251

    
2252
die_license_disabled gpl libfaad2
2253
die_license_disabled gpl libx264
2254
die_license_disabled gpl libxvid
2255
die_license_disabled gpl postproc
2256
die_license_disabled gpl x11grab
2257

    
2258
die_license_disabled nonfree libfaac
2259

    
2260
die_license_disabled version3 libopencore_amrnb
2261
die_license_disabled version3 libopencore_amrwb
2262

    
2263
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2264

    
2265
check_deps $ARCH_EXT_LIST
2266

    
2267
disabled optimizations || check_cflags -fomit-frame-pointer
2268

    
2269
enable_pic() {
2270
    enable pic
2271
    add_cppflags -DPIC
2272
    add_cflags   -fPIC
2273
    add_asflags  -fPIC
2274
}
2275

    
2276
enabled pic && enable_pic
2277

    
2278
check_cc <<EOF || die "Symbol mangling check failed."
2279
int ff_extern;
2280
EOF
2281
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2282
extern_prefix=${sym%%ff_extern*}
2283

    
2284
check_cc <<EOF && enable inline_asm
2285
void foo(void) { __asm__ volatile ("" ::); }
2286
EOF
2287

    
2288
_restrict=
2289
for restrict_keyword in restrict __restrict__ __restrict; do
2290
    check_cc <<EOF && _restrict=$restrict_keyword && break
2291
void foo(char * $restrict_keyword p);
2292
EOF
2293
done
2294

    
2295
check_cc <<EOF && enable attribute_packed
2296
struct { int x; } __attribute__((packed)) x;
2297
EOF
2298

    
2299
check_cc <<EOF || die "endian test failed"
2300
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2301
EOF
2302
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2303

    
2304
if enabled alpha; then
2305

    
2306
    check_cflags -mieee
2307

    
2308
elif enabled arm; then
2309

    
2310
    check_cflags -marm
2311

    
2312
    check_ld <<EOF && enable vfp_args
2313
__asm__ (".eabi_attribute 28, 1");
2314
int main(void) { return 0; }
2315
EOF
2316

    
2317
    # We have to check if pld is a nop and disable it.
2318
    check_asm pld '"pld [r0]"'
2319

    
2320
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2321
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2322
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2323
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2324
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2325
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2326

    
2327
    enabled_all armv6t2 shared !pic && enable_pic
2328

    
2329
elif enabled ia64; then
2330

    
2331
    # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2332
    enabled shared && enable_weak hardcoded_tables
2333

    
2334
elif enabled mips; then
2335

    
2336
    check_asm loongson '"dmult.g $1, $2, $3"'
2337
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2338

    
2339
elif enabled ppc; then
2340

    
2341
    check_asm dcbzl     '"dcbzl 0, 1"'
2342
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2343
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2344

    
2345
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2346
    if enabled altivec; then
2347
        check_cflags -maltivec -mabi=altivec &&
2348
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2349
        check_cflags -faltivec
2350

    
2351
        # check if our compiler supports Motorola AltiVec C API
2352
        check_cc <<EOF || disable altivec
2353
$inc_altivec_h
2354
int main(void) {
2355
    vector signed int v1, v2, v3;
2356
    v1 = vec_add(v2,v3);
2357
    return 0;
2358
}
2359
EOF
2360

    
2361
        # check if our compiler supports braces for vector declarations
2362
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2363
$inc_altivec_h
2364
int main (void) { (vector int) {1}; return 0; }
2365
EOF
2366
    fi
2367

    
2368
elif enabled sparc; then
2369

    
2370
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2371
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2372

    
2373
elif enabled x86; then
2374

    
2375
    # check whether EBP is available on x86
2376
    # As 'i' is stored on the stack, this program will crash
2377
    # if the base pointer is used to access it because the
2378
    # base pointer is cleared in the inline assembly code.
2379
    check_exec_crash <<EOF && enable ebp_available
2380
    volatile int i=0;
2381
    __asm__ volatile (
2382
        "xorl %%ebp, %%ebp"
2383
    ::: "%ebp");
2384
    return i;
2385
EOF
2386

    
2387
    # check whether EBX is available on x86
2388
    check_asm ebx_available '""::"b"(0)' &&
2389
        check_asm ebx_available '"":::"%ebx"'
2390

    
2391
    # check whether more than 10 operands are supported
2392
    check_cc <<EOF && enable ten_operands
2393
int main(void) {
2394
    int x=0;
2395
    __asm__ volatile(
2396
        ""
2397
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2398
    );
2399
    return 0;
2400
}
2401
EOF
2402

    
2403
    # check whether binutils is new enough to compile SSSE3/MMX2
2404
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2405
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2406

    
2407
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2408

    
2409
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2410
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2411
    enabled     pic           && append YASMFLAGS "-DPIC"
2412
    test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2413
    case "$objformat" in
2414
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2415
    esac
2416
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2417

    
2418
    case "$cpu" in
2419
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2420
            disable fast_clz
2421
        ;;
2422
    esac
2423

    
2424
fi
2425

    
2426
if check_func dlopen; then
2427
    ldl=
2428
elif check_func dlopen -ldl; then
2429
    ldl=-ldl
2430
fi
2431

    
2432
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2433
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2434

    
2435
check_func  fork
2436
check_func  getaddrinfo $network_extralibs
2437
check_func  gethrtime
2438
check_func  getrusage
2439
check_func  inet_aton $network_extralibs
2440
check_func  isatty
2441
check_func  memalign
2442
check_func  mkstemp
2443
check_func  posix_memalign
2444
check_func_headers io.h setmode
2445
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2446
check_func_headers windows.h GetProcessTimes
2447
check_func_headers windows.h VirtualAlloc
2448

    
2449
check_header conio.h
2450
check_header dlfcn.h
2451
check_header dxva2api.h
2452
check_header malloc.h
2453
check_header poll.h
2454
check_header sys/mman.h
2455
check_header sys/resource.h
2456
check_header sys/select.h
2457
check_header termios.h
2458
check_header vdpau/vdpau.h
2459
check_header vdpau/vdpau_x11.h
2460
check_header X11/extensions/XvMClib.h
2461

    
2462
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2463

    
2464
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2465
     enabled_any $need_memalign ; then
2466
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2467
fi
2468

    
2469
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2470
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2471

    
2472
# check for some common methods of building with pthread support
2473
# do this before the optional library checks as some of them require pthreads
2474
if enabled pthreads; then
2475
    if check_func pthread_create; then
2476
        :
2477
    elif check_func pthread_create -pthread; then
2478
        add_cflags -pthread
2479
        add_extralibs -pthread
2480
    elif check_func pthread_create -pthreads; then
2481
        add_cflags -pthreads
2482
        add_extralibs -pthreads
2483
    elif check_func pthread_create -lpthreadGC2; then
2484
        add_extralibs -lpthreadGC2
2485
    elif ! check_lib pthread.h pthread_create -lpthread; then
2486
        die "ERROR: can't find pthreads library"
2487
    fi
2488
fi
2489

    
2490
for thread in $THREADS_LIST; do
2491
    if enabled $thread; then
2492
        test -n "$thread_type" &&
2493
            die "ERROR: Only one thread type must be selected." ||
2494
            thread_type="$thread"
2495
    fi
2496
done
2497

    
2498
check_lib math.h sin -lm
2499
check_lib va/va.h vaInitialize -lva
2500

    
2501
check_func exp2
2502
check_func exp2f
2503
check_func llrint
2504
check_func log2
2505
check_func log2f
2506
check_func lrint
2507
check_func lrintf
2508
check_func round
2509
check_func roundf
2510
check_func truncf
2511

    
2512
# these are off by default, so fail if requested and not available
2513
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2514
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2515
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2516
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2517
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2518
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2519
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2520
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2521
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2522
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2523
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2524
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2525
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2526
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2527
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2528
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2529
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2530
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
2531
                      { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2532
                        die "ERROR: libx264 version must be >= 0.83."; }
2533
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2534
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2535

    
2536
# libdc1394 check
2537
if enabled libdc1394; then
2538
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2539
        enable libdc1394_2; } ||
2540
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2541
        enable libdc1394_1; } ||
2542
    die "ERROR: No version of libdc1394 found "
2543
fi
2544

    
2545
SDL_CONFIG="${cross_prefix}sdl-config"
2546
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2547
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2548
    sdl_libs=$("${SDL_CONFIG}" --libs)
2549
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2550
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2551
    enable sdl &&
2552
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2553
fi
2554

    
2555
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2556

    
2557
if enabled network; then
2558
    check_type "sys/types.h sys/socket.h" socklen_t
2559
    check_type netdb.h "struct addrinfo"
2560
    check_type netinet/in.h "struct ipv6_mreq"
2561
    check_type netinet/in.h "struct sockaddr_in6"
2562
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2563
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2564
    # Prefer arpa/inet.h over winsock2
2565
    if check_header arpa/inet.h ; then
2566
        check_func closesocket
2567
    elif check_header winsock2.h ; then
2568
        check_func_headers winsock2.h closesocket -lws2 && \
2569
            network_extralibs="-lws2" || \
2570
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2571
            network_extralibs="-lws2_32"; }
2572
        # getaddrinfo is available if _WIN32_WINNT >= 0x0501 is defined
2573
        check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
2574
        check_type ws2tcpip.h socklen_t
2575
        check_type ws2tcpip.h "struct addrinfo"
2576
        check_type ws2tcpip.h "struct ipv6_mreq"
2577
        check_type ws2tcpip.h "struct sockaddr_in6"
2578
        check_type ws2tcpip.h "struct sockaddr_storage"
2579
        check_struct winsock2.h "struct sockaddr" sa_len
2580
    else
2581
        disable network
2582
    fi
2583
fi
2584

    
2585
check_header linux/videodev.h
2586
check_header linux/videodev2.h
2587
check_header sys/videoio.h
2588

    
2589
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2590

    
2591
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2592
{ check_header dev/bktr/ioctl_meteor.h &&
2593
  check_header dev/bktr/ioctl_bt848.h; } ||
2594
{ check_header machine/ioctl_meteor.h &&
2595
  check_header machine/ioctl_bt848.h; } ||
2596
{ check_header dev/video/meteor/ioctl_meteor.h &&
2597
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2598
check_header dev/ic/bt8xx.h
2599

    
2600
check_header sys/soundcard.h
2601
check_header soundcard.h
2602

    
2603
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2604

    
2605
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2606

    
2607
enabled x11grab                         &&
2608
check_header X11/Xlib.h                 &&
2609
check_header X11/extensions/XShm.h      &&
2610
check_header X11/extensions/Xfixes.h    &&
2611
check_func XOpenDisplay -lX11           &&
2612
check_func XShmCreateImage -lX11 -lXext &&
2613
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2614

    
2615
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2616
check_cpp_condition \
2617
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2618
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2619
      disable vdpau; }
2620
fi
2621

    
2622
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2623

    
2624
# add some useful compiler flags if supported
2625
check_cflags -Wdeclaration-after-statement
2626
check_cflags -Wall
2627
check_cflags -Wno-switch
2628
check_cflags -Wdisabled-optimization
2629
check_cflags -Wpointer-arith
2630
check_cflags -Wredundant-decls
2631
check_cflags -Wno-pointer-sign
2632
check_cflags -Wcast-qual
2633
check_cflags -Wwrite-strings
2634
check_cflags -Wtype-limits
2635
check_cflags -Wundef
2636
enabled extra_warnings && check_cflags -Winline
2637

    
2638
# add some linker flags
2639
check_ldflags -Wl,--warn-common
2640
check_ldflags -Wl,--as-needed
2641
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'
2642
check_ldflags -Wl,-Bsymbolic
2643

    
2644
echo "X{};" > $TMPV
2645
test_ldflags -Wl,--version-script,$TMPV &&
2646
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2647

    
2648
if enabled small; then
2649
    add_cflags $size_cflags
2650
    optimizations="small"
2651
elif enabled optimizations; then
2652
    add_cflags $speed_cflags
2653
fi
2654
check_cflags -fno-math-errno
2655
check_cflags -fno-signed-zeros
2656

    
2657
if enabled icc; then
2658
    # Just warnings, no remarks
2659
    check_cflags -w1
2660
    # -wd: Disable following warnings
2661
    # 144, 167, 556: -Wno-pointer-sign
2662
    # 10006: ignoring unknown option -fno-signed-zeros
2663
    # 10156: ignoring option '-W'; no argument required
2664
    check_cflags -wd144,167,556,10006,10156
2665
    # 11030: Warning unknown option --as-needed
2666
    # 10156: ignoring option '-export'; no argument required
2667
    check_ldflags -wd10156,11030
2668
    # Allow to compile with optimizations
2669
    check_ldflags -march=$cpu
2670
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2671
    enable ebp_available
2672
elif enabled ccc; then
2673
    # disable some annoying warnings
2674
    add_cflags -msg_disable cvtu32to64
2675
    add_cflags -msg_disable embedcomment
2676
    add_cflags -msg_disable needconstext
2677
    add_cflags -msg_disable nomainieee
2678
    add_cflags -msg_disable ptrmismatch1
2679
    add_cflags -msg_disable unreachcode
2680
elif enabled gcc; then
2681
    check_cflags -fno-tree-vectorize
2682
elif enabled clang; then
2683
    check_cflags -Qunused-arguments
2684
elif enabled armcc; then
2685
    # 2523: use of inline assembler is deprecated
2686
    add_cflags -Wrvct,--diag_suppress=2523
2687
elif enabled tms470; then
2688
    add_cflags -pds=824 -pds=837
2689
fi
2690

    
2691
if enabled gprof; then
2692
    add_cflags  -p
2693
    add_ldflags -p
2694
fi
2695

    
2696
# Find out if the .align argument is a power of two or not.
2697
check_asm asmalign_pot '".align 3"'
2698

    
2699
enabled_any $DECODER_LIST      && enable decoders
2700
enabled_any $ENCODER_LIST      && enable encoders
2701
enabled_any $HWACCEL_LIST      && enable hwaccels
2702
enabled_any $BSF_LIST          && enable bsfs
2703
enabled_any $DEMUXER_LIST      && enable demuxers
2704
enabled_any $MUXER_LIST        && enable muxers
2705
enabled_any $FILTER_LIST       && enable filters
2706
enabled_any $INDEV_LIST        && enable indevs
2707
enabled_any $OUTDEV_LIST       && enable outdevs
2708
enabled_any $PROTOCOL_LIST     && enable protocols
2709

    
2710
enabled_any $THREADS_LIST      && enable threads
2711

    
2712
check_deps $CONFIG_LIST       \
2713
           $CONFIG_EXTRA      \
2714
           $HAVE_LIST         \
2715
           $DECODER_LIST      \
2716
           $ENCODER_LIST      \
2717
           $HWACCEL_LIST      \
2718
           $PARSER_LIST       \
2719
           $BSF_LIST          \
2720
           $DEMUXER_LIST      \
2721
           $MUXER_LIST        \
2722
           $FILTER_LIST       \
2723
           $INDEV_LIST        \
2724
           $OUTDEV_LIST       \
2725
           $PROTOCOL_LIST     \
2726

    
2727
enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2728

    
2729
echo "install prefix            $prefix"
2730
echo "source path               $source_path"
2731
echo "C compiler                $cc"
2732
echo ".align is power-of-two    $asmalign_pot"
2733
echo "ARCH                      $arch ($cpu)"
2734
if test "$build_suffix" != ""; then
2735
    echo "build suffix              $build_suffix"
2736
fi
2737
if test "$extra_version" != ""; then
2738
    echo "version string suffix     $extra_version"
2739
fi
2740
echo "big-endian                ${bigendian-no}"
2741
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2742
if enabled x86; then
2743
    echo "yasm                      ${yasm-no}"
2744
    echo "MMX enabled               ${mmx-no}"
2745
    echo "MMX2 enabled              ${mmx2-no}"
2746
    echo "3DNow! enabled            ${amd3dnow-no}"
2747
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2748
    echo "SSE enabled               ${sse-no}"
2749
    echo "SSSE3 enabled             ${ssse3-no}"
2750
    echo "CMOV enabled              ${cmov-no}"
2751
    echo "CMOV is fast              ${fast_cmov-no}"
2752
    echo "EBX available             ${ebx_available-no}"
2753
    echo "EBP available             ${ebp_available-no}"
2754
    echo "10 operands supported     ${ten_operands-no}"
2755
fi
2756
if enabled arm; then
2757
    echo "ARMv5TE enabled           ${armv5te-no}"
2758
    echo "ARMv6 enabled             ${armv6-no}"
2759
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2760
    echo "ARM VFP enabled           ${armvfp-no}"
2761
    echo "IWMMXT enabled            ${iwmmxt-no}"
2762
    echo "NEON enabled              ${neon-no}"
2763
fi
2764
if enabled mips; then
2765
    echo "MMI enabled               ${mmi-no}"
2766
fi
2767
if enabled ppc; then
2768
    echo "AltiVec enabled           ${altivec-no}"
2769
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2770
    echo "dcbzl available           ${dcbzl-no}"
2771
    echo "performance report        ${powerpc_perf-no}"
2772
fi
2773
if enabled sparc; then
2774
    echo "VIS enabled               ${vis-no}"
2775
fi
2776
echo "gprof enabled             ${gprof-no}"
2777
echo "debug symbols             ${debug-no}"
2778
echo "strip symbols             ${stripping-no}"
2779
echo "optimizations             ${optimizations-no}"
2780
echo "static                    ${static-no}"
2781
echo "shared                    ${shared-no}"
2782
echo "postprocessing support    ${postproc-no}"
2783
echo "new filter support        ${avfilter-no}"
2784
echo "filters using lavformat   ${avfilter_lavf-no}"
2785
echo "network support           ${network-no}"
2786
echo "threading support         ${thread_type-no}"
2787
echo "SDL support               ${sdl-no}"
2788
echo "Sun medialib support      ${mlib-no}"
2789
echo "AVISynth enabled          ${avisynth-no}"
2790
echo "libdc1394 support         ${libdc1394-no}"
2791
echo "libdirac enabled          ${libdirac-no}"
2792
echo "libfaac enabled           ${libfaac-no}"
2793
echo "libfaad enabled           ${libfaad-no}"
2794
echo "libfaad dlopened          ${libfaadbin-no}"
2795
echo "libgsm enabled            ${libgsm-no}"
2796
echo "libmp3lame enabled        ${libmp3lame-no}"
2797
echo "libnut enabled            ${libnut-no}"
2798
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2799
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2800
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2801
echo "libschroedinger enabled   ${libschroedinger-no}"
2802
echo "libspeex enabled          ${libspeex-no}"
2803
echo "libtheora enabled         ${libtheora-no}"
2804
echo "libvorbis enabled         ${libvorbis-no}"
2805
echo "libx264 enabled           ${libx264-no}"
2806
echo "libxvid enabled           ${libxvid-no}"
2807
echo "zlib enabled              ${zlib-no}"
2808
echo "bzlib enabled             ${bzlib-no}"
2809
echo
2810

    
2811
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2812
    echo "Enabled ${type}s:"
2813
    eval list=\$$(toupper $type)_LIST
2814
    for part in $list; do
2815
        enabled $part && echo ${part%_*}
2816
    done | sort | pr -3 -t
2817
    echo
2818
done
2819

    
2820
license="LGPL version 2.1 or later"
2821
if enabled nonfree; then
2822
    license="nonfree and unredistributable"
2823
elif enabled gplv3; then
2824
    license="GPL version 3 or later"
2825
elif enabled lgplv3; then
2826
    license="LGPL version 3 or later"
2827
elif enabled gpl; then
2828
    license="GPL version 2 or later"
2829
fi
2830

    
2831
echo "License: $license"
2832

    
2833
echo "Creating config.mak and config.h..."
2834

    
2835
# build tree in object directory if source path is different from current one
2836
if enabled source_path_used; then
2837
    DIRS="
2838
        doc
2839
        libavcodec
2840
        libavcodec/$arch
2841
        libavdevice
2842
        libavfilter
2843
        libavformat
2844
        libavutil
2845
        libavutil/$arch
2846
        libpostproc
2847
        libswscale
2848
        libswscale/$arch
2849
        tests
2850
        tools
2851
    "
2852
    FILES="
2853
        Makefile
2854
        common.mak
2855
        subdir.mak
2856
        doc/texi2pod.pl
2857
        libavcodec/Makefile
2858
        libavdevice/Makefile
2859
        libavfilter/Makefile
2860
        libavformat/Makefile
2861
        libavutil/Makefile
2862
        libpostproc/Makefile
2863
        libswscale/Makefile
2864
    "
2865
    for dir in $DIRS ; do
2866
        mkdir -p $dir
2867
    done
2868
    for f in $FILES ; do
2869
        $ln_s "$source_path/$f" $f
2870
    done
2871
fi
2872

    
2873
enabled stripping || strip="echo skipping strip"
2874

    
2875
cat > config.mak <<EOF
2876
# Automatically generated by configure - do not modify!
2877
ifndef FFMPEG_CONFIG_MAK
2878
FFMPEG_CONFIG_MAK=1
2879
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2880
prefix=$prefix
2881
LIBDIR=\$(DESTDIR)$libdir
2882
SHLIBDIR=\$(DESTDIR)$shlibdir
2883
INCDIR=\$(DESTDIR)$incdir
2884
BINDIR=\$(DESTDIR)$bindir
2885
DATADIR=\$(DESTDIR)$datadir
2886
MANDIR=\$(DESTDIR)$mandir
2887
SRC_PATH="$source_path"
2888
SRC_PATH_BARE=$source_path
2889
BUILD_ROOT="$PWD"
2890
ARCH=$arch
2891
CC=$cc
2892
AS=$as
2893
LD=$ld
2894
DEPCC=$dep_cc
2895
YASM=$yasmexe
2896
AR=$ar
2897
RANLIB=$ranlib
2898
LN_S=$ln_s
2899
STRIP=$strip
2900
CPPFLAGS=$CPPFLAGS
2901
CFLAGS=$CFLAGS
2902
ASFLAGS=$ASFLAGS
2903
CC_O=$CC_O
2904
LDFLAGS=$LDFLAGS
2905
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2906
SHFLAGS=$SHFLAGS
2907
YASMFLAGS=$YASMFLAGS
2908
BUILDSUF=$build_suffix
2909
FULLNAME=$FULLNAME
2910
LIBPREF=$LIBPREF
2911
LIBSUF=$LIBSUF
2912
LIBNAME=$LIBNAME
2913
SLIBPREF=$SLIBPREF
2914
SLIBSUF=$SLIBSUF
2915
EXESUF=$EXESUF
2916
EXTRA_VERSION=$extra_version
2917
DEPFLAGS=$DEPFLAGS
2918
CCDEP=$CCDEP
2919
ASDEP=$ASDEP
2920
CC_DEPFLAGS=$CC_DEPFLAGS
2921
AS_DEPFLAGS=$AS_DEPFLAGS
2922
HOSTCC=$host_cc
2923
HOSTCFLAGS=$host_cflags
2924
HOSTEXESUF=$HOSTEXESUF
2925
HOSTLDFLAGS=$host_ldflags
2926
HOSTLIBS=$host_libs
2927
TARGET_EXEC=$target_exec
2928
TARGET_PATH=$target_path
2929
SDL_LIBS=$sdl_libs
2930
SDL_CFLAGS=$sdl_cflags
2931
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2932
EXTRALIBS=$extralibs
2933
EOF
2934

    
2935
get_version(){
2936
    name=$1
2937
    file=$source_path/$2
2938
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2939
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2940
    lcname=$(tolower $name)
2941
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2942
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2943
}
2944

    
2945
get_version LIBSWSCALE  libswscale/swscale.h
2946
get_version LIBPOSTPROC libpostproc/postprocess.h
2947
get_version LIBAVCODEC  libavcodec/avcodec.h
2948
get_version LIBAVDEVICE libavdevice/avdevice.h
2949
get_version LIBAVFORMAT libavformat/avformat.h
2950
get_version LIBAVUTIL   libavutil/avutil.h
2951
get_version LIBAVFILTER libavfilter/avfilter.h
2952

    
2953
enabled shared && cat >> config.mak <<EOF
2954
LIBTARGET=${LIBTARGET}
2955
SLIBNAME=${SLIBNAME}
2956
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2957
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2958
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2959
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2960
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2961
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2962
EOF
2963

    
2964
enabled asmalign_pot || align_shift="1 <<"
2965

    
2966
cat > $TMPH <<EOF
2967
/* Automatically generated by configure - do not modify! */
2968
#ifndef FFMPEG_CONFIG_H
2969
#define FFMPEG_CONFIG_H
2970
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
2971
#define FFMPEG_LICENSE "$(c_escape $license)"
2972
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2973
#define CC_TYPE "$cc_type"
2974
#define CC_VERSION $cc_version
2975
#define restrict $_restrict
2976
#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
2977
#define EXTERN_PREFIX "${extern_prefix}"
2978
#define EXTERN_ASM ${extern_prefix}
2979
EOF
2980

    
2981
if enabled small || disabled optimizations; then
2982
    echo "#define av_always_inline"  >> $TMPH
2983
fi
2984

    
2985
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2986
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2987
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2988
                                      $CONFIG_EXTRA      \
2989
                                      $DECODER_LIST      \
2990
                                      $ENCODER_LIST      \
2991
                                      $HWACCEL_LIST      \
2992
                                      $PARSER_LIST       \
2993
                                      $BSF_LIST          \
2994
                                      $DEMUXER_LIST      \
2995
                                      $MUXER_LIST        \
2996
                                      $FILTER_LIST       \
2997
                                      $PROTOCOL_LIST     \
2998
                                      $INDEV_LIST        \
2999
                                      $OUTDEV_LIST       \
3000

    
3001
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3002
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3003

    
3004
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3005
cp_if_changed $TMPH config.h
3006

    
3007
cat > $TMPH <<EOF
3008
/* Generated by ffconf */
3009
#ifndef AVUTIL_AVCONFIG_H
3010
#define AVUTIL_AVCONFIG_H
3011
EOF
3012

    
3013
print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3014

    
3015
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3016

    
3017
cp_if_changed $TMPH libavutil/avconfig.h
3018

    
3019
# build pkg-config files
3020

    
3021
pkgconfig_generate(){
3022
name=$1
3023
shortname=${name#lib}${build_suffix}
3024
comment=$2
3025
version=$3
3026
libs=$4
3027
requires=$5
3028
cat <<EOF > $name/$name.pc
3029
prefix=$prefix
3030
exec_prefix=\${prefix}
3031
libdir=$libdir
3032
includedir=$incdir
3033

    
3034
Name: $name
3035
Description: $comment
3036
Version: $version
3037
Requires: $(enabled shared || echo $requires)
3038
Requires.private: $(enabled shared && echo $requires)
3039
Conflicts:
3040
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3041
Libs.private: $(enabled shared && echo $libs)
3042
Cflags: -I\${includedir}
3043
EOF
3044
cat <<EOF > $name/$name-uninstalled.pc
3045
prefix=
3046
exec_prefix=
3047
libdir=\${pcfiledir}
3048
includedir=${source_path}
3049

    
3050
Name: $name
3051
Description: $comment
3052
Version: $version
3053
Requires: $requires
3054
Conflicts:
3055
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3056
Cflags: -I\${includedir}
3057
EOF
3058
}
3059

    
3060
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3061
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3062
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3063
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3064
enabled avfilter &&
3065
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3066
enabled postproc &&
3067
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3068
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"