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

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

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

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

    
74
Configuration options:
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  --disable-static         do not build static libraries [no]
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  --enable-shared          build shared libraries [no]
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  --enable-gpl             allow use of GPL code, the resulting libs
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                           and binaries will be under GPL [no]
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  --enable-version3        upgrade (L)GPL to version 3 [no]
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  --enable-nonfree         allow use of nonfree code, the resulting libs
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                           and binaries will be unredistributable [no]
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  --disable-doc            do not build documentation
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  --disable-ffmpeg         disable ffmpeg build
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  --disable-ffplay         disable ffplay build
85
  --disable-ffserver       disable ffserver build
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  --disable-avdevice       disable libavdevice build
87
  --disable-avcodec        disable libavcodec build
88
  --disable-avformat       disable libavformat build
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  --disable-swscale        disable libswscale build
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  --enable-postproc        enable GPLed postprocessing support [no]
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  --enable-avfilter        video filter support [no]
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  --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)
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  --disable-swscale-alpha  disable alpha channel support in swscale
102
  --disable-fastdiv        disable table-based division
103
  --enable-small           optimize for size instead of speed
104
  --disable-aandct         disable AAN DCT code
105
  --disable-dct            disable DCT code
106
  --disable-fft            disable FFT code
107
  --disable-golomb         disable Golomb code
108
  --disable-lpc            disable LPC code
109
  --disable-mdct           disable MDCT code
110
  --disable-rdft           disable RDFT code
111
  --disable-vaapi          disable VAAPI code
112
  --disable-vdpau          disable VDPAU code
113
  --disable-dxva2          disable DXVA2 code
114
  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
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  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
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  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
117
  --enable-beos-netserver  enable BeOS netserver
118
  --disable-encoder=NAME   disable encoder NAME
119
  --enable-encoder=NAME    enable encoder NAME
120
  --disable-encoders       disable all encoders
121
  --disable-decoder=NAME   disable decoder NAME
122
  --enable-decoder=NAME    enable decoder NAME
123
  --disable-decoders       disable all decoders
124
  --disable-hwaccel=NAME   disable hwaccel NAME
125
  --enable-hwaccel=NAME    enable hwaccel NAME
126
  --disable-hwaccels       disable all hwaccels
127
  --disable-muxer=NAME     disable muxer NAME
128
  --enable-muxer=NAME      enable muxer NAME
129
  --disable-muxers         disable all muxers
130
  --disable-demuxer=NAME   disable demuxer NAME
131
  --enable-demuxer=NAME    enable demuxer NAME
132
  --disable-demuxers       disable all demuxers
133
  --enable-parser=NAME     enable parser NAME
134
  --disable-parser=NAME    disable parser NAME
135
  --disable-parsers        disable all parsers
136
  --enable-bsf=NAME        enable bitstream filter NAME
137
  --disable-bsf=NAME       disable bitstream filter NAME
138
  --disable-bsfs           disable all bitstream filters
139
  --enable-protocol=NAME   enable protocol NAME
140
  --disable-protocol=NAME  disable protocol NAME
141
  --disable-protocols      disable all protocols
142
  --disable-indev=NAME     disable input device NAME
143
  --disable-outdev=NAME    disable output device NAME
144
  --disable-indevs         disable input devices
145
  --disable-outdevs        disable output devices
146
  --disable-devices        disable all devices
147
  --enable-filter=NAME     enable filter NAME
148
  --disable-filter=NAME    disable filter NAME
149
  --disable-filters        disable all filters
150
  --list-decoders          show all available decoders
151
  --list-encoders          show all available encoders
152
  --list-hwaccels          show all available hardware accelerators
153
  --list-muxers            show all available muxers
154
  --list-demuxers          show all available demuxers
155
  --list-parsers           show all available parsers
156
  --list-protocols         show all available protocols
157
  --list-bsfs              show all available bitstream filters
158
  --list-indevs            show all available input devices
159
  --list-outdevs           show all available output devices
160
  --list-filters           show all available filters
161

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

    
189
Advanced options (experts only):
190
  --source-path=PATH       path to source code [$source_path]
191
  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
192
  --enable-cross-compile   assume a cross-compiler is used
193
  --sysroot=PATH           root of cross-build tree
194
  --sysinclude=PATH        location of cross-build system headers
195
  --target-os=OS           compiler targets OS [$target_os]
196
  --target-exec=CMD        command to run executables on target
197
  --target-path=DIR        path to view of build directory on target
198
  --nm=NM                  use nm tool
199
  --as=AS                  use assembler AS [$as_default]
200
  --cc=CC                  use C compiler CC [$cc_default]
201
  --ld=LD                  use linker LD
202
  --host-cc=HOSTCC         use host C compiler HOSTCC
203
  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
204
  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
205
  --host-libs=HLIBS        use libs HLIBS when linking for host
206
  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
207
  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208
  --extra-libs=ELIBS       add ELIBS [$ELIBS]
209
  --extra-version=STRING   version string suffix []
210
  --build-suffix=SUFFIX    library name suffix []
211
  --arch=ARCH              select architecture [$arch]
212
  --cpu=CPU                select the minimum required CPU (affects
213
                           instruction selection, may crash on older CPUs)
214
  --enable-powerpc-perf    enable performance report on PPC
215
                           (requires enabling PMC)
216
  --disable-asm            disable all assembler optimizations
217
  --disable-altivec        disable AltiVec optimizations
218
  --disable-amd3dnow       disable 3DNow! optimizations
219
  --disable-amd3dnowext    disable 3DNow! extended optimizations
220
  --disable-mmx            disable MMX optimizations
221
  --disable-mmx2           disable MMX2 optimizations
222
  --disable-sse            disable SSE optimizations
223
  --disable-ssse3          disable SSSE3 optimizations
224
  --disable-armv5te        disable armv5te optimizations
225
  --disable-armv6          disable armv6 optimizations
226
  --disable-armv6t2        disable armv6t2 optimizations
227
  --disable-armvfp         disable ARM VFP optimizations
228
  --disable-iwmmxt         disable iwmmxt optimizations
229
  --disable-mmi            disable MMI optimizations
230
  --disable-neon           disable neon optimizations
231
  --disable-vis            disable VIS optimizations
232
  --disable-yasm           disable use of yasm assembler
233
  --enable-pic             build position-independent code
234
  --malloc-prefix=PFX      prefix malloc and related names with PFX
235
  --enable-sram            allow use of on-chip SRAM
236

    
237
Developer options (useful when working on FFmpeg itself):
238
  --disable-debug          disable debugging symbols
239
  --enable-debug=LEVEL     set the debug level [$debuglevel]
240
  --enable-gprof           enable profiling with gprof [$gprof]
241
  --disable-optimizations  disable compiler optimizations
242
  --enable-extra-warnings  enable more compiler warnings
243
  --disable-stripping      disable stripping of executables and shared libraries
244

    
245
NOTE: Object files are built at the place where configure is launched.
246
EOF
247
  exit 0
248
}
249

    
250
log(){
251
    echo "$@" >> $logfile
252
}
253

    
254
log_file(){
255
    log BEGIN $1
256
    pr -n -t $1 >> $logfile
257
    log END $1
258
}
259

    
260
echolog(){
261
    log "$@"
262
    echo "$@"
263
}
264

    
265
die(){
266
    echolog "$@"
267
    cat <<EOF
268

    
269
If you think configure made a mistake, make sure you are using the latest
270
version from SVN.  If the latest version fails, report the problem to the
271
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
272
EOF
273
    if disabled logging; then
274
        cat <<EOF
275
Rerun configure with logging enabled (do not use --disable-logging), and
276
include the log this produces with your report.
277
EOF
278
    else
279
cat <<EOF
280
Include the log file "$logfile" produced by configure as this will help
281
solving the problem.
282
EOF
283
    fi
284
    exit 1
285
}
286

    
287
# Avoid locale weirdness, besides we really just want to translate ASCII.
288
toupper(){
289
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
290
}
291

    
292
tolower(){
293
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
294
}
295

    
296
c_escape(){
297
    echo "$*" | sed 's/["\\]/\\\0/g'
298
}
299

    
300
sh_quote(){
301
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
302
    test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
303
    echo "$v"
304
}
305

    
306
filter(){
307
    pat=$1
308
    shift
309
    for v; do
310
        eval "case $v in $pat) echo $v ;; esac"
311
    done
312
}
313

    
314
set_all(){
315
    value=$1
316
    shift
317
    for var in $*; do
318
        eval $var=$value
319
    done
320
}
321

    
322
set_weak(){
323
    value=$1
324
    shift
325
    for var; do
326
        eval : \${$var:=$value}
327
    done
328
}
329

    
330
pushvar(){
331
    for var in $*; do
332
        eval level=\${${var}_level:=0}
333
        eval ${var}_${level}="\$$var"
334
        eval ${var}_level=$(($level+1))
335
    done
336
}
337

    
338
popvar(){
339
    for var in $*; do
340
        eval level=\${${var}_level:-0}
341
        test $level = 0 && continue
342
        eval level=$(($level-1))
343
        eval $var="\${${var}_${level}}"
344
        eval ${var}_level=$level
345
        eval unset ${var}_${level}
346
    done
347
}
348

    
349
enable(){
350
    set_all yes $*
351
}
352

    
353
disable(){
354
    set_all no $*
355
}
356

    
357
enable_weak(){
358
    set_weak yes $*
359
}
360

    
361
disable_weak(){
362
    set_weak no $*
363
}
364

    
365
enable_safe(){
366
    for var; do
367
        enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
368
    done
369
}
370

    
371
disable_safe(){
372
    for var; do
373
        disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
374
    done
375
}
376

    
377
do_enable_deep(){
378
    for var; do
379
        enabled $var && continue
380
        eval sel="\$${var}_select"
381
        eval sgs="\$${var}_suggest"
382
        pushvar var sgs
383
        enable_deep $sel
384
        popvar sgs
385
        enable_deep_weak $sgs
386
        popvar var
387
    done
388
}
389

    
390
enable_deep(){
391
    do_enable_deep $*
392
    enable $*
393
}
394

    
395
enable_deep_weak(){
396
    do_enable_deep $*
397
    enable_weak $*
398
}
399

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

    
405
disabled(){
406
    test "${1#!}" = "$1" && op== || op=!=
407
    eval test "x\$${1#!}" $op "xno"
408
}
409

    
410
enabled_all(){
411
    for opt; do
412
        enabled $opt || return 1
413
    done
414
}
415

    
416
disabled_all(){
417
    for opt; do
418
        disabled $opt || return 1
419
    done
420
}
421

    
422
enabled_any(){
423
    for opt; do
424
        enabled $opt && return 0
425
    done
426
}
427

    
428
disabled_any(){
429
    for opt; do
430
        disabled $opt && return 0
431
    done
432
    return 1
433
}
434

    
435
set_default(){
436
    for opt; do
437
        eval : \${$opt:=\$${opt}_default}
438
    done
439
}
440

    
441
is_in(){
442
    value=$1
443
    shift
444
    for var in $*; do
445
        [ $var = $value ] && return 0
446
    done
447
    return 1
448
}
449

    
450
check_deps(){
451
    for cfg; do
452
        cfg="${cfg#!}"
453
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
454
        disabled ${cfg}_checking && continue
455
        enable ${cfg}_checking
456

    
457
        eval dep_all="\$${cfg}_deps"
458
        eval dep_any="\$${cfg}_deps_any"
459
        eval dep_sel="\$${cfg}_select"
460
        eval dep_sgs="\$${cfg}_suggest"
461
        eval dep_ifa="\$${cfg}_if"
462
        eval dep_ifn="\$${cfg}_if_any"
463

    
464
        pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
465
        check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
466
        popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
467

    
468
        [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
469
        [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
470
        enabled_all  $dep_all || disable $cfg
471
        enabled_any  $dep_any || disable $cfg
472
        disabled_any $dep_sel && disable $cfg
473

    
474
        if enabled $cfg; then
475
            eval dep_extralibs="\$${cfg}_extralibs"
476
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
477
            enable_deep $dep_sel
478
            enable_deep_weak $dep_sgs
479
        fi
480

    
481
        disable ${cfg}_checking
482
    done
483
}
484

    
485
print_config(){
486
    pfx=$1
487
    header=$2
488
    makefile=$3
489
    shift 3
490
    for cfg; do
491
        ucname="$(toupper $cfg)"
492
        if enabled $cfg; then
493
            echo "#define ${pfx}${ucname} 1" >> $header
494
            echo "${pfx}${ucname}=yes" >> $makefile
495
        else
496
            echo "#define ${pfx}${ucname} 0" >> $header
497
            echo "!${pfx}${ucname}=yes" >> $makefile
498
        fi
499
    done
500
}
501

    
502
flags_saved(){
503
    (: ${SAVE_CFLAGS?}) 2> /dev/null
504
}
505

    
506
save_flags(){
507
    flags_saved && return
508
    SAVE_CFLAGS="$CFLAGS"
509
    SAVE_LDFLAGS="$LDFLAGS"
510
    SAVE_extralibs="$extralibs"
511
}
512

    
513
restore_flags(){
514
    flags_saved || return
515
    CFLAGS="$SAVE_CFLAGS"
516
    LDFLAGS="$SAVE_LDFLAGS"
517
    extralibs="$SAVE_extralibs"
518
    unset SAVE_CFLAGS
519
    unset SAVE_LDFLAGS
520
    unset SAVE_extralibs
521
}
522

    
523
temp_cflags(){
524
    save_flags
525
    CFLAGS="$CFLAGS $*"
526
}
527

    
528
temp_ldflags(){
529
    save_flags
530
    LDFLAGS="$LDFLAGS $*"
531
}
532

    
533
temp_extralibs(){
534
    save_flags
535
    extralibs="$extralibs $*"
536
}
537

    
538
append(){
539
    var=$1
540
    shift
541
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
542
    eval "$var=\"\$$var $*\""
543
}
544

    
545
add_cppflags(){
546
    append CPPFLAGS $($filter_cppflags "$@")
547
}
548

    
549
add_cflags(){
550
    append CFLAGS $($filter_cflags "$@")
551
}
552

    
553
add_asflags(){
554
    append ASFLAGS $($filter_asflags "$@")
555
}
556

    
557
add_ldflags(){
558
    append LDFLAGS "$@"
559
}
560

    
561
add_extralibs(){
562
    append extralibs "$@"
563
}
564

    
565
check_cmd(){
566
    log "$@"
567
    "$@" >> $logfile 2>&1
568
}
569

    
570
check_cc(){
571
    log check_cc "$@"
572
    cat > $TMPC
573
    log_file $TMPC
574
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
575
}
576

    
577
check_cpp(){
578
    log check_cpp "$@"
579
    cat > $TMPC
580
    log_file $TMPC
581
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
582
}
583

    
584
check_as(){
585
    log check_as "$@"
586
    cat > $TMPC
587
    log_file $TMPC
588
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
589
}
590

    
591
check_asm(){
592
    log check_asm "$@"
593
    name="$1"
594
    code="$2"
595
    shift 2
596
    disable $name
597
    check_as "$@" <<EOF && enable $name
598
void foo(void){ __asm__ volatile($code); }
599
EOF
600
}
601

    
602
check_yasm(){
603
    log check_yasm "$@"
604
    echo "$1" > $TMPS
605
    log_file $TMPS
606
    shift 1
607
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
608
}
609

    
610
check_ld(){
611
    log check_ld "$@"
612
    flags=''
613
    libs=''
614
    for f; do
615
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
616
    done
617
    check_cc $($filter_cflags $flags) || return
618
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
619
}
620

    
621
check_cppflags(){
622
    log check_cppflags "$@"
623
    set -- $($filter_cppflags "$@")
624
    check_cc "$@" <<EOF && append CPPFLAGS "$@"
625
int x;
626
EOF
627
}
628

    
629
check_cflags(){
630
    log check_cflags "$@"
631
    set -- $($filter_cflags "$@")
632
    check_cc "$@" <<EOF && append CFLAGS "$@"
633
int x;
634
EOF
635
}
636

    
637
test_ldflags(){
638
    log test_ldflags "$@"
639
    check_ld "$@" <<EOF
640
int main(void){ return 0; }
641
EOF
642
}
643

    
644
check_ldflags(){
645
    log check_ldflags "$@"
646
    test_ldflags "$@" && add_ldflags "$@"
647
}
648

    
649
check_header(){
650
    log check_header "$@"
651
    header=$1
652
    shift
653
    disable_safe $header
654
    check_cpp "$@" <<EOF && enable_safe $header
655
#include <$header>
656
int x;
657
EOF
658
}
659

    
660
check_func(){
661
    log check_func "$@"
662
    func=$1
663
    shift
664
    disable $func
665
    check_ld "$@" <<EOF && enable $func
666
extern int $func();
667
int main(void){ $func(); }
668
EOF
669
}
670

    
671
check_mathfunc(){
672
    log check_mathfunc "$@"
673
    func=$1
674
    shift
675
    disable $func
676
    check_ld "$@" <<EOF && enable $func
677
#include <math.h>
678
float foo(float f) { return $func(f); }
679
int main(void){ return 0; }
680
EOF
681
}
682

    
683
check_func_headers(){
684
    log check_func_headers "$@"
685
    headers=$1
686
    func=$2
687
    shift 2
688
    disable $func
689
    incs=""
690
    for hdr in $headers; do
691
        incs="$incs
692
#include <$hdr>"
693
    done
694
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
695
$incs
696
int main(int argc, char **argv){
697
    return (long) $func;
698
}
699
EOF
700
}
701

    
702
check_cpp_condition(){
703
    log check_cpp_condition "$@"
704
    header=$1
705
    condition=$2
706
    shift 2
707
    check_cpp $($filter_cppflags "$@") <<EOF
708
#include <$header>
709
#if !($condition)
710
#error "unsatisfied condition: $condition"
711
#endif
712
EOF
713
}
714

    
715
check_lib(){
716
    log check_lib "$@"
717
    header="$1"
718
    func="$2"
719
    shift 2
720
    temp_extralibs "$@"
721
    check_header $header && check_func $func && add_extralibs "$@"
722
    err=$?
723
    restore_flags
724
    return $err
725
}
726

    
727
check_lib2(){
728
    log check_lib2 "$@"
729
    headers="$1"
730
    func="$2"
731
    shift 2
732
    check_func_headers "$headers" $func "$@" && add_extralibs "$@"
733
}
734

    
735
check_exec(){
736
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
737
}
738

    
739
check_exec_crash(){
740
    code=$(cat)
741

    
742
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
743
    # are safe but may not be available everywhere.  Thus we use
744
    # raise(SIGTERM) instead.  The check is run in a subshell so we
745
    # can redirect the "Terminated" message from the shell.  SIGBUS
746
    # is not defined by standard C so it is used conditionally.
747

    
748
    (check_exec "$@") >> $logfile 2>&1 <<EOF
749
#include <signal.h>
750
static void sighandler(int sig){
751
    raise(SIGTERM);
752
}
753
int main(void){
754
    signal(SIGILL, sighandler);
755
    signal(SIGFPE, sighandler);
756
    signal(SIGSEGV, sighandler);
757
#ifdef SIGBUS
758
    signal(SIGBUS, sighandler);
759
#endif
760
    { $code }
761
}
762
EOF
763
}
764

    
765
check_type(){
766
    log check_type "$@"
767
    headers=$1
768
    type=$2
769
    shift 2
770
    disable_safe "$type"
771
    incs=""
772
    for hdr in $headers; do
773
        incs="$incs
774
#include <$hdr>"
775
    done
776
    check_cc "$@" <<EOF && enable_safe "$type"
777
$incs
778
$type v;
779
EOF
780
}
781

    
782
check_struct(){
783
    log check_type "$@"
784
    headers=$1
785
    struct=$2
786
    member=$3
787
    shift 3
788
    disable_safe "${struct}_${member}"
789
    incs=""
790
    for hdr in $headers; do
791
        incs="$incs
792
#include <$hdr>"
793
    done
794
    check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
795
$incs
796
const void *p = &(($struct *)0)->$member;
797
EOF
798
}
799

    
800
require(){
801
    name="$1"
802
    header="$2"
803
    func="$3"
804
    shift 3
805
    check_lib $header $func "$@" || die "ERROR: $name not found"
806
}
807

    
808
require2(){
809
    name="$1"
810
    headers="$2"
811
    func="$3"
812
    shift 3
813
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
814
}
815

    
816
check_foo_config(){
817
    cfg=$1
818
    pkg=$2
819
    header=$3
820
    func=$4
821
    shift 4
822
    disable $cfg
823
    check_cmd ${pkg}-config --version
824
    err=$?
825
    if test "$err" = 0; then
826
        temp_cflags $(${pkg}-config --cflags)
827
        temp_extralibs $(${pkg}-config --libs)
828
        check_lib "$@" $header $func && enable $cfg
829
    fi
830
    return $err
831
}
832

    
833
check_host_cc(){
834
    log check_host_cc "$@"
835
    cat > $TMPC
836
    log_file $TMPC
837
    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
838
}
839

    
840
check_host_cflags(){
841
    log check_host_cflags "$@"
842
    check_host_cc "$@" <<EOF && append host_cflags "$@"
843
int x;
844
EOF
845
}
846

    
847
apply(){
848
    file=$1
849
    shift
850
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
851
}
852

    
853
cp_if_changed(){
854
    cmp -s "$1" "$2" &&
855
        echo "$2 is unchanged" ||
856
        cp -f "$1" "$2"
857
}
858

    
859
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
860
# system-dependent things.
861

    
862
COMPONENT_LIST="
863
    bsfs
864
    decoders
865
    demuxers
866
    encoders
867
    filters
868
    hwaccels
869
    indevs
870
    muxers
871
    outdevs
872
    parsers
873
    protocols
874
"
875

    
876
CONFIG_LIST="
877
    $COMPONENT_LIST
878
    aandct
879
    avcodec
880
    avdevice
881
    avfilter
882
    avfilter_lavf
883
    avformat
884
    avisynth
885
    beos_netserver
886
    bzlib
887
    dct
888
    doc
889
    dxva2
890
    fastdiv
891
    ffmpeg
892
    ffplay
893
    ffserver
894
    fft
895
    golomb
896
    gpl
897
    gprof
898
    gray
899
    hardcoded_tables
900
    libdc1394
901
    libdirac
902
    libfaac
903
    libfaad
904
    libfaadbin
905
    libgsm
906
    libmp3lame
907
    libnut
908
    libopencore_amrnb
909
    libopencore_amrwb
910
    libopenjpeg
911
    libschroedinger
912
    libspeex
913
    libtheora
914
    libvorbis
915
    libx264
916
    libxvid
917
    lpc
918
    mdct
919
    memalign_hack
920
    mlib
921
    mpegaudio_hp
922
    network
923
    nonfree
924
    pic
925
    postproc
926
    powerpc_perf
927
    rdft
928
    runtime_cpudetect
929
    shared
930
    small
931
    sram
932
    static
933
    swscale
934
    swscale_alpha
935
    vaapi
936
    vdpau
937
    version3
938
    x11grab
939
    zlib
940
"
941

    
942
THREADS_LIST='
943
    beosthreads
944
    os2threads
945
    pthreads
946
    w32threads
947
'
948

    
949
ARCH_LIST='
950
    alpha
951
    arm
952
    avr32
953
    avr32_ap
954
    avr32_uc
955
    bfin
956
    ia64
957
    m68k
958
    mips
959
    mips64
960
    parisc
961
    ppc
962
    ppc64
963
    s390
964
    sh4
965
    sparc
966
    sparc64
967
    x86
968
    x86_32
969
    x86_64
970
'
971

    
972
ARCH_EXT_LIST='
973
    altivec
974
    amd3dnow
975
    amd3dnowext
976
    armv5te
977
    armv6
978
    armv6t2
979
    armvfp
980
    iwmmxt
981
    mmi
982
    mmx
983
    mmx2
984
    neon
985
    ppc4xx
986
    sse
987
    ssse3
988
    vis
989
'
990

    
991
HAVE_LIST_PUB='
992
    bigendian
993
'
994

    
995
HAVE_LIST="
996
    $ARCH_EXT_LIST
997
    $HAVE_LIST_PUB
998
    $THREADS_LIST
999
    alsa_asoundlib_h
1000
    altivec_h
1001
    arpa_inet_h
1002
    attribute_may_alias
1003
    attribute_packed
1004
    bswap
1005
    closesocket
1006
    cmov
1007
    conio_h
1008
    dcbzl
1009
    dev_bktr_ioctl_bt848_h
1010
    dev_bktr_ioctl_meteor_h
1011
    dev_ic_bt8xx_h
1012
    dev_video_meteor_ioctl_meteor_h
1013
    dev_video_bktr_ioctl_bt848_h
1014
    dlfcn_h
1015
    dlopen
1016
    dos_paths
1017
    ebp_available
1018
    ebx_available
1019
    exp2
1020
    exp2f
1021
    fast_64bit
1022
    fast_clz
1023
    fast_cmov
1024
    fast_unaligned
1025
    fork
1026
    getaddrinfo
1027
    gethrtime
1028
    GetProcessTimes
1029
    getrusage
1030
    inet_aton
1031
    inline_asm
1032
    isatty
1033
    ldbrx
1034
    libdc1394_1
1035
    libdc1394_2
1036
    llrint
1037
    log2
1038
    log2f
1039
    loongson
1040
    lrint
1041
    lrintf
1042
    lzo1x_999_compress
1043
    machine_ioctl_bt848_h
1044
    machine_ioctl_meteor_h
1045
    malloc_h
1046
    memalign
1047
    mkstemp
1048
    pld
1049
    posix_memalign
1050
    round
1051
    roundf
1052
    sdl
1053
    sdl_video_size
1054
    setmode
1055
    socklen_t
1056
    soundcard_h
1057
    poll_h
1058
    setrlimit
1059
    struct_addrinfo
1060
    struct_ipv6_mreq
1061
    struct_sockaddr_in6
1062
    struct_sockaddr_sa_len
1063
    struct_sockaddr_storage
1064
    sys_mman_h
1065
    sys_resource_h
1066
    sys_select_h
1067
    sys_soundcard_h
1068
    sys_videoio_h
1069
    ten_operands
1070
    termios_h
1071
    threads
1072
    truncf
1073
    vfp_args
1074
    VirtualAlloc
1075
    winsock2_h
1076
    xform_asm
1077
    yasm
1078
"
1079

    
1080
# options emitted with CONFIG_ prefix but not available on command line
1081
CONFIG_EXTRA="
1082
    avutil
1083
    gplv3
1084
    lgplv3
1085
"
1086

    
1087
CMDLINE_SELECT="
1088
    $ARCH_EXT_LIST
1089
    $CONFIG_LIST
1090
    $THREADS_LIST
1091
    asm
1092
    cross_compile
1093
    debug
1094
    extra_warnings
1095
    logging
1096
    optimizations
1097
    stripping
1098
    yasm
1099
"
1100

    
1101
PATHS_LIST='
1102
    bindir
1103
    datadir
1104
    incdir
1105
    libdir
1106
    mandir
1107
    prefix
1108
    shlibdir
1109
'
1110

    
1111
CMDLINE_SET="
1112
    $PATHS_LIST
1113
    arch
1114
    as
1115
    build_suffix
1116
    cc
1117
    cpu
1118
    cross_prefix
1119
    dep_cc
1120
    extra_version
1121
    host_cc
1122
    host_cflags
1123
    host_ldflags
1124
    host_libs
1125
    host_os
1126
    ld
1127
    logfile
1128
    malloc_prefix
1129
    nm
1130
    source_path
1131
    sysinclude
1132
    sysroot
1133
    target_exec
1134
    target_os
1135
    target_path
1136
"
1137

    
1138
CMDLINE_APPEND="
1139
    extra_cflags
1140
"
1141

    
1142
# code dependency declarations
1143

    
1144
# architecture extensions
1145

    
1146
armv5te_deps="arm"
1147
armv6_deps="arm"
1148
armv6t2_deps="arm"
1149
armvfp_deps="arm"
1150
iwmmxt_deps="arm"
1151
neon_deps="arm"
1152

    
1153
mmi_deps="mips"
1154

    
1155
altivec_deps="ppc"
1156
ppc4xx_deps="ppc"
1157

    
1158
vis_deps="sparc"
1159

    
1160
x86_64_suggest="cmov fast_cmov"
1161
amd3dnow_deps="mmx"
1162
amd3dnowext_deps="amd3dnow"
1163
mmx_deps="x86"
1164
mmx2_deps="mmx"
1165
sse_deps="mmx"
1166
ssse3_deps="sse"
1167

    
1168
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1169
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1170
fast_unaligned_if_any="armv6 ppc x86"
1171

    
1172
need_memalign="altivec neon sse"
1173
inline_asm_deps="!tms470"
1174

    
1175
# decoders / encoders / hardware accelerators
1176
aac_decoder_select="fft mdct aac_parser"
1177
aac_encoder_select="fft mdct"
1178
ac3_decoder_select="fft mdct ac3_parser"
1179
alac_encoder_select="lpc"
1180
atrac3_decoder_select="fft mdct"
1181
binkaudio_dct_decoder_select="fft mdct rdft dct"
1182
binkaudio_rdft_decoder_select="fft mdct rdft"
1183
cavs_decoder_select="golomb"
1184
cook_decoder_select="fft mdct"
1185
cscd_decoder_suggest="zlib"
1186
dca_decoder_select="fft mdct"
1187
dnxhd_encoder_select="aandct"
1188
dxa_decoder_select="zlib"
1189
eac3_decoder_select="ac3_decoder"
1190
eamad_decoder_select="aandct"
1191
eatgq_decoder_select="aandct"
1192
eatqi_decoder_select="aandct"
1193
ffv1_decoder_select="golomb"
1194
flac_decoder_select="golomb"
1195
flac_encoder_select="golomb lpc"
1196
flashsv_decoder_select="zlib"
1197
flashsv_encoder_select="zlib"
1198
flv_decoder_select="h263_decoder"
1199
flv_encoder_select="h263_encoder"
1200
h261_encoder_select="aandct"
1201
h263_decoder_select="h263_parser"
1202
h263_encoder_select="aandct"
1203
h263_vaapi_hwaccel_deps="va_va_h"
1204
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1205
h263i_decoder_select="h263_decoder"
1206
h263p_encoder_select="h263_encoder"
1207
h264_decoder_select="golomb"
1208
h264_dxva2_hwaccel_deps="dxva2api_h"
1209
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1210
h264_vaapi_hwaccel_deps="va_va_h"
1211
h264_vaapi_hwaccel_select="vaapi"
1212
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1213
h264_vdpau_decoder_select="vdpau h264_decoder"
1214
imc_decoder_select="fft mdct"
1215
jpegls_decoder_select="golomb"
1216
jpegls_encoder_select="golomb"
1217
ljpeg_encoder_select="aandct"
1218
loco_decoder_select="golomb"
1219
mjpeg_encoder_select="aandct"
1220
mlp_decoder_select="mlp_parser"
1221
mpeg1video_encoder_select="aandct"
1222
mpeg2video_encoder_select="aandct"
1223
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1224
mpeg4_encoder_select="h263_encoder"
1225
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1226
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1227
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1228
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1229
mpeg2_vaapi_hwaccel_deps="va_va_h"
1230
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1231
mpeg4_vaapi_hwaccel_deps="va_va_h"
1232
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1233
mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1234
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1235
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1236
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1237
msmpeg4v1_decoder_select="h263_decoder"
1238
msmpeg4v1_encoder_select="h263_encoder"
1239
msmpeg4v2_decoder_select="h263_decoder"
1240
msmpeg4v2_encoder_select="h263_encoder"
1241
msmpeg4v3_decoder_select="h263_decoder"
1242
msmpeg4v3_encoder_select="h263_encoder"
1243
nellymoser_decoder_select="fft mdct"
1244
nellymoser_encoder_select="fft mdct"
1245
png_decoder_select="zlib"
1246
png_encoder_select="zlib"
1247
qdm2_decoder_select="fft mdct rdft"
1248
rv10_decoder_select="h263_decoder"
1249
rv10_encoder_select="h263_encoder"
1250
rv20_decoder_select="h263_decoder"
1251
rv20_encoder_select="h263_encoder"
1252
rv30_decoder_select="golomb"
1253
rv40_decoder_select="golomb"
1254
shorten_decoder_select="golomb"
1255
sonic_decoder_select="golomb"
1256
sonic_encoder_select="golomb"
1257
sonic_ls_encoder_select="golomb"
1258
svq3_decoder_select="golomb"
1259
svq3_decoder_suggest="zlib"
1260
theora_decoder_select="vp3_decoder"
1261
tiff_decoder_suggest="zlib"
1262
tiff_encoder_suggest="zlib"
1263
truehd_decoder_select="mlp_decoder"
1264
tscc_decoder_select="zlib"
1265
vc1_decoder_select="h263_decoder"
1266
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1267
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1268
vc1_vaapi_hwaccel_deps="va_va_h"
1269
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1270
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1271
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1272
vorbis_decoder_select="fft mdct"
1273
vorbis_encoder_select="fft mdct"
1274
vp6a_decoder_select="vp6_decoder"
1275
vp6f_decoder_select="vp6_decoder"
1276
wmav1_decoder_select="fft mdct"
1277
wmav1_encoder_select="fft mdct"
1278
wmav2_decoder_select="fft mdct"
1279
wmav2_encoder_select="fft mdct"
1280
wmv1_decoder_select="h263_decoder"
1281
wmv1_encoder_select="h263_encoder"
1282
wmv2_decoder_select="h263_decoder"
1283
wmv2_encoder_select="h263_encoder"
1284
wmv3_decoder_select="vc1_decoder"
1285
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1286
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1287
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1288
zlib_decoder_select="zlib"
1289
zlib_encoder_select="zlib"
1290
zmbv_decoder_select="zlib"
1291
zmbv_encoder_select="zlib"
1292

    
1293
# parsers
1294
h264_parser_select="golomb"
1295

    
1296
# bitstream_filters
1297
aac_adtstoasc_bsf_select="aac_parser"
1298

    
1299
# external libraries
1300
libdirac_decoder_deps="libdirac !libschroedinger"
1301
libdirac_encoder_deps="libdirac"
1302
libfaac_encoder_deps="libfaac"
1303
libfaad_decoder_deps="libfaad"
1304
libfaadbin_decoder_extralibs='$ldl'
1305
libgsm_decoder_deps="libgsm"
1306
libgsm_encoder_deps="libgsm"
1307
libgsm_ms_decoder_deps="libgsm"
1308
libgsm_ms_encoder_deps="libgsm"
1309
libmp3lame_encoder_deps="libmp3lame"
1310
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1311
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1312
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1313
libopenjpeg_decoder_deps="libopenjpeg"
1314
libschroedinger_decoder_deps="libschroedinger"
1315
libschroedinger_encoder_deps="libschroedinger"
1316
libspeex_decoder_deps="libspeex"
1317
libtheora_encoder_deps="libtheora"
1318
libvorbis_encoder_deps="libvorbis"
1319
libx264_encoder_deps="libx264"
1320
libxvid_encoder_deps="libxvid"
1321

    
1322
# demuxers / muxers
1323
ac3_demuxer_deps="ac3_parser"
1324
asf_stream_muxer_select="asf_muxer"
1325
avisynth_demuxer_deps="avisynth"
1326
dirac_demuxer_deps="dirac_parser"
1327
eac3_demuxer_select="ac3_parser"
1328
ipod_muxer_select="mov_muxer"
1329
libnut_demuxer_deps="libnut"
1330
libnut_muxer_deps="libnut"
1331
matroska_audio_muxer_select="matroska_muxer"
1332
matroska_demuxer_suggest="zlib bzlib"
1333
mov_demuxer_suggest="zlib"
1334
mp3_demuxer_deps="mpegaudio_parser"
1335
mp4_muxer_select="mov_muxer"
1336
mpegtsraw_demuxer_select="mpegts_demuxer"
1337
mxf_d10_muxer_select="mxf_muxer"
1338
ogg_demuxer_select="golomb"
1339
psp_muxer_select="mov_muxer"
1340
rtsp_demuxer_deps="sdp_demuxer"
1341
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1342
spdif_muxer_select="aac_parser"
1343
tg2_muxer_select="mov_muxer"
1344
tgp_muxer_select="mov_muxer"
1345
w64_demuxer_deps="wav_demuxer"
1346

    
1347
# indevs / outdevs
1348
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1349
alsa_indev_extralibs="-lasound"
1350
alsa_outdev_deps="alsa_asoundlib_h"
1351
alsa_outdev_extralibs="-lasound"
1352
audio_beos_indev_deps="audio_beos"
1353
audio_beos_indev_extralibs="-lmedia -lbe"
1354
audio_beos_outdev_deps="audio_beos"
1355
audio_beos_outdev_extralibs="-lmedia -lbe"
1356
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1357
dv1394_indev_deps="dv1394 dv_demuxer"
1358
jack_indev_deps="jack_jack_h"
1359
jack_indev_extralibs="-ljack"
1360
libdc1394_indev_deps="libdc1394"
1361
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1362
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1363
v4l_indev_deps="linux_videodev_h"
1364
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1365
vfwcap_indev_deps="capCreateCaptureWindow"
1366
vfwcap_indev_extralibs="-lavicap32"
1367
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1368
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1369

    
1370
# protocols
1371
gopher_protocol_deps="network"
1372
http_protocol_deps="network"
1373
rtmp_protocol_deps="tcp_protocol"
1374
rtp_protocol_deps="udp_protocol"
1375
tcp_protocol_deps="network"
1376
udp_protocol_deps="network"
1377

    
1378
# filters
1379
movie_filter_deps="avfilter_lavf"
1380
avfilter_lavf_deps="avformat"
1381

    
1382
# libraries
1383
avdevice_deps="avcodec avformat"
1384
avformat_deps="avcodec"
1385

    
1386
# programs
1387
ffmpeg_deps="avcodec avformat swscale"
1388
ffplay_deps="avcodec avformat swscale sdl"
1389
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1390
ffserver_extralibs='$ldl'
1391

    
1392
doc_deps="texi2html"
1393

    
1394
# default parameters
1395

    
1396
logfile="config.err"
1397

    
1398
# installation paths
1399
prefix_default="/usr/local"
1400
bindir_default='${prefix}/bin'
1401
datadir_default='${prefix}/share/ffmpeg'
1402
incdir_default='${prefix}/include'
1403
libdir_default='${prefix}/lib'
1404
mandir_default='${prefix}/share/man'
1405
shlibdir_default="$libdir_default"
1406

    
1407
# toolchain
1408
ar="ar"
1409
cc_default="gcc"
1410
cc_version=\"unknown\"
1411
host_cc_default="gcc"
1412
ln_s="ln -sf"
1413
nm_default="nm"
1414
objformat="elf"
1415
ranlib="ranlib"
1416
strip="strip"
1417
yasmexe="yasm"
1418

    
1419
nm_opts='-g'
1420

    
1421
# machine
1422
arch=$(uname -m)
1423
cpu="generic"
1424

    
1425
# OS
1426
target_os=$(tolower $(uname -s))
1427
host_os=$target_os
1428

    
1429
# configurable options
1430
enable avcodec
1431
enable avdevice
1432
enable avformat
1433
enable avutil
1434
enable asm
1435
enable debug
1436
enable doc
1437
enable fastdiv
1438
enable ffmpeg
1439
enable ffplay
1440
enable ffserver
1441
enable mpegaudio_hp
1442
enable network
1443
enable optimizations
1444
enable protocols
1445
enable static
1446
enable stripping
1447
enable swscale
1448
enable swscale_alpha
1449

    
1450
# build settings
1451
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1452
FFSERVERLDFLAGS=-Wl,-E
1453
LIBPREF="lib"
1454
LIBSUF=".a"
1455
FULLNAME='$(NAME)$(BUILDSUF)'
1456
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1457
SLIBPREF="lib"
1458
SLIBSUF=".so"
1459
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1460
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1461
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1462
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1463

    
1464
CC_O='-o $@'
1465

    
1466
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1467
host_libs='-lm'
1468

    
1469
target_path='$(CURDIR)'
1470

    
1471
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1472
# full relative path for objects in subdirectories for non-recursive Make.
1473
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1474
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1475

    
1476
# find source path
1477
source_path="$(dirname "$0")"
1478
enable source_path_used
1479
if test -f configure; then
1480
    source_path="$(pwd)"
1481
    disable source_path_used
1482
else
1483
    source_path="$(cd "$source_path"; pwd)"
1484
    echo "$source_path" | grep -q '[[:blank:]]' &&
1485
        die "Out of tree builds are impossible with whitespace in source path."
1486
    test -e "$source_path/config.h" &&
1487
        die "Out of tree builds are impossible with config.h in source dir."
1488
fi
1489

    
1490
for v in "$@"; do
1491
    r=${v#*=}
1492
    l=${v%"$r"}
1493
    r=$(sh_quote "$r")
1494
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1495
done
1496

    
1497
find_things(){
1498
    thing=$1
1499
    pattern=$2
1500
    file=$source_path/$3
1501
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1502
}
1503

    
1504
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1505
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1506
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1507
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1508
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1509
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1510
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1511
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1512
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1513
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1514
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1515

    
1516
enable $ARCH_EXT_LIST \
1517
       $DECODER_LIST \
1518
       $ENCODER_LIST \
1519
       $HWACCEL_LIST \
1520
       $PARSER_LIST \
1521
       $BSF_LIST \
1522
       $DEMUXER_LIST \
1523
       $MUXER_LIST \
1524
       $FILTER_LIST \
1525
       $PROTOCOL_LIST \
1526
       $INDEV_LIST \
1527
       $OUTDEV_LIST \
1528

    
1529
die_unknown(){
1530
    echo "Unknown option \"$1\"."
1531
    echo "See $0 --help for available options."
1532
    exit 1
1533
}
1534

    
1535
show_list() {
1536
    suffix=_$1
1537
    shift
1538
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1539
    exit 0
1540
}
1541

    
1542
for opt do
1543
    optval="${opt#*=}"
1544
    case "$opt" in
1545
    --extra-ldflags=*) add_ldflags $optval
1546
    ;;
1547
    --extra-libs=*) add_extralibs $optval
1548
    ;;
1549
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1550
    ;;
1551
    --enable-debug=*) debuglevel="$optval"
1552
    ;;
1553
    --enable-*=*|--disable-*=*)
1554
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1555
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1556
    eval list=\$$(toupper $thing)_LIST
1557
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1558
    $action $(filter "$name" $list)
1559
    ;;
1560
    --enable-?*|--disable-?*)
1561
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1562
    if is_in $option $COMPONENT_LIST; then
1563
        test $action = disable && action=unset
1564
        eval $action \$$(toupper ${option%s})_LIST
1565
    elif is_in $option $CMDLINE_SELECT; then
1566
        $action $option
1567
    else
1568
        die_unknown $opt
1569
    fi
1570
    ;;
1571
    --list-*)
1572
        NAME="${opt#--list-}"
1573
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1574
        NAME=${NAME%s}
1575
        eval show_list $NAME \$$(toupper $NAME)_LIST
1576
    ;;
1577
    --help|-h) show_help
1578
    ;;
1579
    *)
1580
    optname="${opt%%=*}"
1581
    optname="${optname#--}"
1582
    optname=$(echo "$optname" | sed 's/-/_/g')
1583
    if is_in $optname $CMDLINE_SET; then
1584
        eval $optname='$optval'
1585
    elif is_in $optname $CMDLINE_APPEND; then
1586
        append $optname "$optval"
1587
    else
1588
         die_unknown $opt
1589
    fi
1590
    ;;
1591
    esac
1592
done
1593

    
1594
disabled logging && logfile=/dev/null
1595

    
1596
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1597
set >> $logfile
1598

    
1599
test -n "$cross_prefix" && enable cross_compile
1600

    
1601
ar="${cross_prefix}${ar}"
1602
cc_default="${cross_prefix}${cc_default}"
1603
nm_default="${cross_prefix}${nm_default}"
1604
ranlib="${cross_prefix}${ranlib}"
1605
strip="${cross_prefix}${strip}"
1606

    
1607
sysinclude_default="${sysroot}/usr/include"
1608

    
1609
set_default cc nm sysinclude
1610
enabled cross_compile || host_cc_default=$cc
1611
set_default host_cc
1612

    
1613
exesuf() {
1614
    case $1 in
1615
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1616
    esac
1617
}
1618

    
1619
EXESUF=$(exesuf $target_os)
1620
HOSTEXESUF=$(exesuf $host_os)
1621

    
1622
# set temporary file name
1623
: ${TMPDIR:=$TEMPDIR}
1624
: ${TMPDIR:=$TMP}
1625
: ${TMPDIR:=/tmp}
1626

    
1627
if ! check_cmd type mktemp; then
1628
    # simple replacement for missing mktemp
1629
    # NOT SAFE FOR GENERAL USE
1630
    mktemp(){
1631
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1632
    }
1633
fi
1634

    
1635
tmpfile(){
1636
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1637
        (set -C; exec > $tmp) 2>/dev/null ||
1638
        die "Unable to create temporary file in $TMPDIR."
1639
    append TMPFILES $tmp
1640
    eval $1=$tmp
1641
}
1642

    
1643
trap 'rm -f -- $TMPFILES' EXIT
1644
trap exit HUP INT TERM
1645

    
1646
tmpfile TMPC  .c
1647
tmpfile TMPE  $EXESUF
1648
tmpfile TMPH  .h
1649
tmpfile TMPO  .o
1650
tmpfile TMPS  .S
1651
tmpfile TMPV  .ver
1652
tmpfile TMPSH .sh
1653

    
1654
unset -f mktemp
1655

    
1656
# make sure we can execute files in $TMPDIR
1657
cat > $TMPSH 2>> $logfile <<EOF
1658
#! /bin/sh
1659
EOF
1660
chmod +x $TMPSH >> $logfile 2>&1
1661
if ! $TMPSH >> $logfile 2>&1; then
1662
    cat <<EOF
1663
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1664
variable to another directory and make sure that it is not mounted noexec.
1665
EOF
1666
    die "Sanity test failed."
1667
fi
1668

    
1669
filter_cflags=echo
1670
filter_cppflags=echo
1671
filter_asflags=echo
1672

    
1673
if   $cc -v 2>&1 | grep -qi ^gcc; then
1674
    cc_type=gcc
1675
    cc_version=__VERSION__
1676
    if ! $cc -dumpversion | grep -q '^2\.'; then
1677
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1678
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1679
    fi
1680
    speed_cflags='-O3'
1681
    size_cflags='-Os'
1682
elif $cc --version 2>/dev/null | grep -q Intel; then
1683
    cc_type=icc
1684
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1685
    CC_DEPFLAGS='-MMD'
1686
    AS_DEPFLAGS='-MMD'
1687
    speed_cflags='-O3'
1688
    size_cflags='-Os'
1689
elif $cc -v 2>&1 | grep -q xlc; then
1690
    cc_type=xlc
1691
    cc_version="AV_STRINGIFY(__IBMC__)"
1692
    speed_cflags='-O5'
1693
    size_cflags='-O5 -qcompact'
1694
elif $cc -V 2>/dev/null | grep -q Compaq; then
1695
    cc_type=ccc
1696
    cc_version="AV_STRINGIFY(__DECC_VER)"
1697
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1698
    debuglevel=3
1699
    add_ldflags -Wl,-z,now # calls to libots crash without this
1700
    speed_cflags='-fast'
1701
    size_cflags='-O1'
1702
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1703
    test -d "$sysroot" || die "No valid sysroot specified."
1704
    cc_type=armcc
1705
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1706
    armcc_conf="$PWD/armcc.conf"
1707
    $cc --arm_linux_configure                 \
1708
        --arm_linux_config_file="$armcc_conf" \
1709
        --configure_sysroot="$sysroot"        \
1710
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1711
        die "Error creating armcc configuration file."
1712
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1713
    as_default="${cross_prefix}gcc"
1714
    CC_DEPFLAGS='-MMD'
1715
    AS_DEPFLAGS='-MMD'
1716
    speed_cflags='-O3'
1717
    size_cflags='-Os'
1718
elif $cc -version 2>/dev/null | grep -q TMS470; then
1719
    cc_type=tms470
1720
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1721
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1722
    CC_O='-fr=$(@D)'
1723
    as_default="${cross_prefix}gcc"
1724
    ld_default="${cross_prefix}gcc"
1725
    TMPO=$(basename $TMPC .c).o
1726
    append TMPFILES $TMPO
1727
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1728
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1729
    AS_DEPFLAGS='-MMD'
1730
    speed_cflags='-O3 -mf=5'
1731
    size_cflags='-O3 -mf=2'
1732
    filter_cflags=tms470_flags
1733
    tms470_flags(){
1734
        for flag; do
1735
            case $flag in
1736
                -march=*|-mcpu=*)
1737
                    case "${flag#*=}" in
1738
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1739
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1740
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1741
                        armv6*|arm11*)          echo -mv=6   ;;
1742
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1743
                                                echo -mv=5e  ;;
1744
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1745
                    esac
1746
                    ;;
1747
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1748
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1749
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1750
                -msoft-float)   echo --float_support=vfplib       ;;
1751
                -O[0-3]|-mf=*)  echo $flag                        ;;
1752
                -g)             echo -g -mn                       ;;
1753
                -pds=*)         echo $flag                        ;;
1754
            esac
1755
        done
1756
    }
1757
elif $cc -v 2>&1 | grep -q clang; then
1758
    cc_type=clang
1759
    cc_version=__VERSION__
1760
    CC_DEPFLAGS='-MMD'
1761
    AS_DEPFLAGS='-MMD'
1762
    speed_cflags='-O3'
1763
    size_cflags='-Os'
1764
elif $cc -V 2>&1 | grep -q Sun; then
1765
    cc_type=suncc
1766
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1767
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1768
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1769
    speed_cflags='-O5'
1770
    size_cflags='-O5 -xspace'
1771
    filter_cflags=suncc_flags
1772
    suncc_flags(){
1773
        for flag; do
1774
            case $flag in
1775
                -march=*|-mcpu=*)
1776
                    case "${flag#*=}" in
1777
                        native)                   echo -xtarget=native       ;;
1778
                        v9)                       echo -xarch=sparc          ;;
1779
                        ultrasparc)               echo -xarch=sparcvis       ;;
1780
                        ultrasparc3|niagara*)     echo -xarch=sparcvis2      ;;
1781
                        i586|pentium)             echo -xchip=pentium        ;;
1782
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1783
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1784
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1785
                        pentium4*)          echo -xtarget=pentium4           ;;
1786
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1787
                        *-sse3)             echo -xarch=sse3                 ;;
1788
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1789
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1790
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1791
                        k8|opteron|athlon64|athlon-fx)
1792
                                                  echo -xarch=sse2a          ;;
1793
                        athlon*)                  echo -xarch=pentium_proa   ;;
1794
                    esac
1795
                    ;;
1796
                -std=c99)             echo -xc99              ;;
1797
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1798
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1799
                -W*,*)                echo $flag              ;;
1800
                -f*-*|-W*)                                    ;;
1801
                *)                    echo $flag              ;;
1802
            esac
1803
        done
1804
    }
1805
fi
1806

    
1807
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1808

    
1809
: ${as_default:=$cc}
1810
: ${dep_cc_default:=$cc}
1811
: ${ld_default:=$cc}
1812
set_default as dep_cc ld
1813

    
1814
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1815
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1816

    
1817
add_cflags $extra_cflags
1818
add_asflags $extra_cflags
1819

    
1820
if test -n "$sysroot"; then
1821
    case "$cc_type" in
1822
        gcc)
1823
            add_cppflags --sysroot="$sysroot"
1824
            add_ldflags --sysroot="$sysroot"
1825
        ;;
1826
        tms470)
1827
            add_cppflags -I"$sysinclude"
1828
            add_ldflags  --sysroot="$sysroot"
1829
        ;;
1830
        clang)
1831
            add_cppflags -isysroot="$sysroot"
1832
            add_ldflags -isysroot="$sysroot"
1833
        ;;
1834
    esac
1835
fi
1836

    
1837
if test "$cpu" = host; then
1838
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1839

    
1840
    case "$cc_type" in
1841
        gcc)
1842
            check_native(){
1843
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1844
                sed -n "/$1=/{
1845
                            s/.*$1=\\([^ ]*\\).*/\\1/
1846
                            p
1847
                            q
1848
                        }" $TMPE
1849
            }
1850
            cpu=$(check_native -march || check_native -mcpu)
1851
        ;;
1852
    esac
1853

    
1854
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1855
fi
1856

    
1857
# Deal with common $arch aliases
1858
case "$arch" in
1859
    arm*)
1860
        arch="arm"
1861
    ;;
1862
    mips|mipsel|IP*)
1863
        arch="mips"
1864
    ;;
1865
    mips64)
1866
        arch="mips"
1867
        subarch="mips64"
1868
    ;;
1869
    parisc|hppa)
1870
        arch="parisc"
1871
    ;;
1872
    parisc64|hppa64)
1873
        arch="parisc"
1874
        subarch="parisc64"
1875
    ;;
1876
    "Power Macintosh"|ppc|powerpc)
1877
        arch="ppc"
1878
    ;;
1879
    ppc64)
1880
        arch="ppc"
1881
        subarch="ppc64"
1882
    ;;
1883
    s390|s390x)
1884
        arch="s390"
1885
    ;;
1886
    sh4|sh)
1887
        arch="sh4"
1888
    ;;
1889
    sun4u|sparc64)
1890
        arch="sparc"
1891
        subarch="sparc64"
1892
    ;;
1893
    i[3-6]86|i86pc|BePC|x86_64|amd64)
1894
        arch="x86"
1895
    ;;
1896
esac
1897

    
1898
is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1899
enable $arch
1900

    
1901
# Add processor-specific flags
1902
if test "$cpu" = generic; then
1903
    : do nothing
1904
elif enabled ppc; then
1905

    
1906
    case $(tolower $cpu) in
1907
        601|ppc601|powerpc601)
1908
            cpuflags="-mcpu=601"
1909
            disable altivec
1910
        ;;
1911
        603*|ppc603*|powerpc603*)
1912
            cpuflags="-mcpu=603"
1913
            disable altivec
1914
        ;;
1915
        604*|ppc604*|powerpc604*)
1916
            cpuflags="-mcpu=604"
1917
            disable altivec
1918
        ;;
1919
        g3|75*|ppc75*|powerpc75*)
1920
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1921
            disable altivec
1922
        ;;
1923
        g4|745*|ppc745*|powerpc745*)
1924
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1925
        ;;
1926
        74*|ppc74*|powerpc74*)
1927
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1928
        ;;
1929
        g5|970|ppc970|powerpc970|power4*)
1930
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1931
        ;;
1932
        cell)
1933
            cpuflags="-mcpu=cell"
1934
            enable ldbrx
1935
        ;;
1936
        e500v2)
1937
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1938
            disable altivec
1939
        ;;
1940
        e500)
1941
            cpuflags="-mcpu=8540 -mhard-float"
1942
            disable altivec
1943
        ;;
1944
    esac
1945

    
1946
elif enabled x86; then
1947

    
1948
    case $cpu in
1949
        i[345]86|pentium)
1950
            cpuflags="-march=$cpu"
1951
            disable mmx
1952
        ;;
1953
        # targets that do NOT support conditional mov (cmov)
1954
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1955
            cpuflags="-march=$cpu"
1956
            disable cmov
1957
        ;;
1958
        # targets that do support conditional mov (cmov)
1959
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1960
            cpuflags="-march=$cpu"
1961
            enable cmov
1962
            enable fast_cmov
1963
        ;;
1964
        # targets that do support conditional mov but on which it's slow
1965
        pentium4|pentium4m|prescott|nocona)
1966
            cpuflags="-march=$cpu"
1967
            enable cmov
1968
            disable fast_cmov
1969
        ;;
1970
    esac
1971

    
1972
elif enabled sparc; then
1973

    
1974
    case $cpu in
1975
        sparc64)
1976
            cpuflags="-mcpu=v9"
1977
        ;;
1978
    esac
1979

    
1980
elif enabled arm; then
1981

    
1982
    case $cpu in
1983
        armv*)
1984
            cpuflags="-march=$cpu"
1985
        ;;
1986
        *)
1987
            cpuflags="-mcpu=$cpu"
1988
        ;;
1989
    esac
1990

    
1991
elif enabled alpha; then
1992

    
1993
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1994

    
1995
elif enabled bfin; then
1996

    
1997
    cpuflags="-mcpu=$cpu"
1998

    
1999
elif enabled mips; then
2000

    
2001
    cpuflags="-march=$cpu"
2002

    
2003
elif enabled avr32; then
2004

    
2005
    case $cpu in
2006
        ap7[02]0[0-2])
2007
            subarch="avr32_ap"
2008
            cpuflags="-mpart=$cpu"
2009
        ;;
2010
        ap)
2011
            subarch="avr32_ap"
2012
            cpuflags="-march=$cpu"
2013
        ;;
2014
        uc3[ab]*)
2015
            subarch="avr32_uc"
2016
            cpuflags="-mcpu=$cpu"
2017
        ;;
2018
        uc)
2019
            subarch="avr32_uc"
2020
            cpuflags="-march=$cpu"
2021
        ;;
2022
    esac
2023

    
2024
fi
2025

    
2026
add_cflags $cpuflags
2027
add_asflags $cpuflags
2028

    
2029
# compiler sanity check
2030
check_exec <<EOF
2031
int main(void){ return 0; }
2032
EOF
2033
if test "$?" != 0; then
2034
    echo "$cc is unable to create an executable file."
2035
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2036
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2037
        echo "Only do this if you know what cross compiling means."
2038
    fi
2039
    die "C compiler test failed."
2040
fi
2041

    
2042
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2043
check_cflags -std=c99
2044
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2045
#include <stdlib.h>
2046
EOF
2047
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2048
#include <stdlib.h>
2049
EOF
2050

    
2051
check_host_cflags -std=c99
2052

    
2053
case "$arch" in
2054
    alpha|ia64|mips|parisc|sparc)
2055
        spic=$shared
2056
    ;;
2057
    x86)
2058
        subarch="x86_32"
2059
        check_cc <<EOF && subarch="x86_64"
2060
        int test[(int)sizeof(char*) - 7];
2061
EOF
2062
        if test "$subarch" = "x86_64"; then
2063
            spic=$shared
2064
        fi
2065
    ;;
2066
esac
2067

    
2068
enable $subarch
2069
enabled spic && enable pic
2070
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2071

    
2072
# OS specific
2073
case $target_os in
2074
    beos|haiku|zeta)
2075
        prefix_default="$HOME/config"
2076
        # 3 gcc releases known for BeOS, each with ugly bugs
2077
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2078
        case "$gcc_version" in
2079
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2080
            disable mmx
2081
            ;;
2082
          *20010315*) echo "BeBits gcc"
2083
            add_cflags -fno-expensive-optimizations
2084
            ;;
2085
        esac
2086
        SHFLAGS=-nostart
2087
        # enable BeOS things
2088
        enable audio_beos
2089
        # no need for libm, but the inet stuff
2090
        # Check for BONE
2091
        # XXX: actually should check for NOT net_server
2092
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2093
            network_extralibs="-lbind -lsocket"
2094
        else
2095
            enable beos_netserver
2096
            network_extralibs="-lnet"
2097
        fi ;;
2098
    sunos)
2099
        FFSERVERLDFLAGS=""
2100
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2101
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2102
        network_extralibs="-lsocket -lnsl"
2103
        add_cppflags -D__EXTENSIONS__
2104
        nm_opts='-P -g'
2105
        ;;
2106
    netbsd)
2107
        oss_indev_extralibs="-lossaudio"
2108
        oss_outdev_extralibs="-lossaudio"
2109
        ;;
2110
    openbsd)
2111
        enable malloc_aligned
2112
        # On OpenBSD 4.5. the compiler does not use PIC unless
2113
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2114
        # however the generated executable will not do anything
2115
        # (simply quits with exit-code 1, no crash, no output).
2116
        # Thus explicitly enable PIC here.
2117
        enable pic
2118
        SHFLAGS='-shared'
2119
        oss_indev_extralibs="-lossaudio"
2120
        oss_outdev_extralibs="-lossaudio"
2121
        ;;
2122
    freebsd|dragonfly)
2123
        enable malloc_aligned
2124
        ;;
2125
    bsd/os)
2126
        osextralibs="-lpoll -lgnugetopt"
2127
        strip="strip -d"
2128
        ;;
2129
    darwin)
2130
        enable malloc_aligned
2131
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2132
        strip="strip -x"
2133
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2134
        SLIBSUF=".dylib"
2135
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2136
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2137
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2138
        objformat="macho"
2139
        enabled x86_64 && objformat="macho64"
2140
        enabled_any pic shared ||
2141
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2142
        ;;
2143
    mingw32*)
2144
        if test $target_os = "mingw32ce"; then
2145
            disable network
2146
        else
2147
            target_os=mingw32
2148
        fi
2149
        LIBTARGET=i386
2150
        if enabled x86_64; then
2151
            enable malloc_aligned
2152
            LIBTARGET=x64
2153
        elif enabled arm; then
2154
            LIBTARGET=arm
2155
        fi
2156
        shlibdir_default="$bindir_default"
2157
        disable ffserver
2158
        SLIBPREF=""
2159
        SLIBSUF=".dll"
2160
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2161
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2162
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2163
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2164
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2165
            install -d "$(LIBDIR)"; \
2166
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2167
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2168
        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'
2169
        objformat="win32"
2170
        enable dos_paths
2171
        check_cflags -fno-common
2172
        if ! enabled x86_64; then
2173
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2174
                die "ERROR: MinGW runtime version must be >= 3.15."
2175
            enabled_any avisynth vfwcap_indev &&
2176
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2177
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2178
        fi
2179
        ;;
2180
    cygwin*)
2181
        target_os=cygwin
2182
        shlibdir_default="$bindir_default"
2183
        SLIBPREF="cyg"
2184
        SLIBSUF=".dll"
2185
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2186
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2187
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2188
        objformat="win32"
2189
        enable dos_paths
2190
        check_cflags -fno-common
2191
        ;;
2192
    *-dos|freedos|opendos)
2193
        disable ffplay ffserver
2194
        disable $INDEV_LIST $OUTDEV_LIST
2195
        network_extralibs="-lsocket"
2196
        objformat="coff"
2197
        enable dos_paths
2198
        ;;
2199
    linux)
2200
        enable dv1394
2201
        ;;
2202
    irix*)
2203
        target_os=irix
2204
        ranlib="echo ignoring ranlib"
2205
        ;;
2206
    os/2*)
2207
        strip="lxlite"
2208
        ln_s="cp -f"
2209
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2210
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2211
        FFSERVERLDFLAGS=""
2212
        LIBSUF="_s.a"
2213
        SLIBPREF=""
2214
        SLIBSUF=".dll"
2215
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2216
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2217
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2218
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2219
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2220
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2221
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2222
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2223
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2224
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2225
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2226
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2227
        enable dos_paths
2228
        ;;
2229
    gnu/kfreebsd)
2230
        ;;
2231
    gnu)
2232
        ;;
2233
    none)
2234
        ;;
2235
    *)
2236
        die "Unknown OS '$target_os'."
2237
        ;;
2238
esac
2239

    
2240
set_default $PATHS_LIST
2241

    
2242
add_extralibs $osextralibs
2243

    
2244
# Combine FFLDFLAGS and the LDFLAGS environment variable.
2245
LDFLAGS="$FFLDFLAGS $LDFLAGS"
2246

    
2247
# we need to build at least one lib type
2248
if ! enabled_any static shared; then
2249
    cat <<EOF
2250
At least one library type must be built.
2251
Specify --enable-static to build the static libraries or --enable-shared to
2252
build the shared libraries as well. To only build the shared libraries specify
2253
--disable-static in addition to --enable-shared.
2254
EOF
2255
    exit 1;
2256
fi
2257

    
2258
disabled static && LIBNAME=""
2259

    
2260
if enabled_any libfaad libfaadbin ; then
2261
    if check_header faad.h; then
2262
        check_cc <<EOF
2263
#include <faad.h>
2264
#ifndef FAAD2_VERSION
2265
ok faad1
2266
#endif
2267
int main(void) { return 0; }
2268
EOF
2269
        test $? = 0 && enable libfaad2
2270
    else
2271
        die "FAAD test failed."
2272
    fi
2273
fi
2274

    
2275

    
2276
die_license_disabled() {
2277
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2278
}
2279

    
2280
die_license_disabled gpl libfaad2
2281
die_license_disabled gpl libx264
2282
die_license_disabled gpl libxvid
2283
die_license_disabled gpl postproc
2284
die_license_disabled gpl x11grab
2285

    
2286
die_license_disabled nonfree libfaac
2287

    
2288
die_license_disabled version3 libopencore_amrnb
2289
die_license_disabled version3 libopencore_amrwb
2290

    
2291
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2292

    
2293
check_deps $ARCH_EXT_LIST
2294

    
2295
disabled optimizations || check_cflags -fomit-frame-pointer
2296

    
2297
enable_pic() {
2298
    enable pic
2299
    add_cppflags -DPIC
2300
    add_cflags   -fPIC
2301
    add_asflags  -fPIC
2302
}
2303

    
2304
enabled pic && enable_pic
2305

    
2306
check_cc <<EOF || die "Symbol mangling check failed."
2307
int ff_extern;
2308
EOF
2309
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2310
extern_prefix=${sym%%ff_extern*}
2311

    
2312
check_cc <<EOF && enable inline_asm
2313
void foo(void) { __asm__ volatile ("" ::); }
2314
EOF
2315

    
2316
_restrict=
2317
for restrict_keyword in restrict __restrict__ __restrict; do
2318
    check_cc <<EOF && _restrict=$restrict_keyword && break
2319
void foo(char * $restrict_keyword p);
2320
EOF
2321
done
2322

    
2323
check_cc <<EOF && enable attribute_packed
2324
struct { int x; } __attribute__((packed)) x;
2325
EOF
2326

    
2327
check_cc <<EOF && enable attribute_may_alias
2328
union { int x; } __attribute__((may_alias)) x;
2329
EOF
2330

    
2331
check_cc <<EOF || die "endian test failed"
2332
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2333
EOF
2334
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2335

    
2336
if enabled alpha; then
2337

    
2338
    check_cflags -mieee
2339

    
2340
elif enabled arm; then
2341

    
2342
    check_cflags -marm
2343

    
2344
    check_ld <<EOF && enable vfp_args
2345
__asm__ (".eabi_attribute 28, 1");
2346
int main(void) { return 0; }
2347
EOF
2348

    
2349
    # We have to check if pld is a nop and disable it.
2350
    check_asm pld '"pld [r0]"'
2351

    
2352
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2353
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2354
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2355
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2356
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2357
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2358

    
2359
    enabled_all armv6t2 shared !pic && enable_pic
2360

    
2361
elif enabled ia64; then
2362

    
2363
    # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2364
    enabled shared && enable_weak hardcoded_tables
2365

    
2366
elif enabled mips; then
2367

    
2368
    check_asm loongson '"dmult.g $1, $2, $3"'
2369
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2370

    
2371
elif enabled ppc; then
2372

    
2373
    check_asm dcbzl     '"dcbzl 0, 1"'
2374
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2375
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2376

    
2377
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2378
    if enabled altivec; then
2379
        check_cflags -maltivec -mabi=altivec &&
2380
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2381
        check_cflags -faltivec
2382

    
2383
        # check if our compiler supports Motorola AltiVec C API
2384
        check_cc <<EOF || disable altivec
2385
$inc_altivec_h
2386
int main(void) {
2387
    vector signed int v1, v2, v3;
2388
    v1 = vec_add(v2,v3);
2389
    return 0;
2390
}
2391
EOF
2392

    
2393
        # check if our compiler supports braces for vector declarations
2394
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2395
$inc_altivec_h
2396
int main (void) { (vector int) {1}; return 0; }
2397
EOF
2398
    fi
2399

    
2400
elif enabled sparc; then
2401

    
2402
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2403
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2404

    
2405
elif enabled x86; then
2406

    
2407
    # check whether EBP is available on x86
2408
    # As 'i' is stored on the stack, this program will crash
2409
    # if the base pointer is used to access it because the
2410
    # base pointer is cleared in the inline assembly code.
2411
    check_exec_crash <<EOF && enable ebp_available
2412
    volatile int i=0;
2413
    __asm__ volatile (
2414
        "xorl %%ebp, %%ebp"
2415
    ::: "%ebp");
2416
    return i;
2417
EOF
2418

    
2419
    # check whether EBX is available on x86
2420
    check_asm ebx_available '""::"b"(0)' &&
2421
        check_asm ebx_available '"":::"%ebx"'
2422

    
2423
    # check whether more than 10 operands are supported
2424
    check_cc <<EOF && enable ten_operands
2425
int main(void) {
2426
    int x=0;
2427
    __asm__ volatile(
2428
        ""
2429
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2430
    );
2431
    return 0;
2432
}
2433
EOF
2434

    
2435
    # check whether binutils is new enough to compile SSSE3/MMX2
2436
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2437
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2438

    
2439
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2440

    
2441
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2442
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2443
    enabled     pic           && append YASMFLAGS "-DPIC"
2444
    test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2445
    case "$objformat" in
2446
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2447
    esac
2448
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2449

    
2450
    case "$cpu" in
2451
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2452
            disable fast_clz
2453
        ;;
2454
    esac
2455

    
2456
fi
2457

    
2458
if check_func dlopen; then
2459
    ldl=
2460
elif check_func dlopen -ldl; then
2461
    ldl=-ldl
2462
fi
2463

    
2464
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2465
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2466

    
2467
check_func  fork
2468
check_func  getaddrinfo $network_extralibs
2469
check_func  gethrtime
2470
check_func  getrusage
2471
check_func  inet_aton $network_extralibs
2472
check_func  isatty
2473
check_func  ${malloc_prefix}memalign            && enable memalign
2474
check_func  mkstemp
2475
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2476
check_func  setrlimit
2477
check_func_headers io.h setmode
2478
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2479
check_func_headers windows.h GetProcessTimes
2480
check_func_headers windows.h VirtualAlloc
2481

    
2482
check_header conio.h
2483
check_header dlfcn.h
2484
check_header dxva2api.h
2485
check_header malloc.h
2486
check_header poll.h
2487
check_header sys/mman.h
2488
check_header sys/resource.h
2489
check_header sys/select.h
2490
check_header termios.h
2491
check_header vdpau/vdpau.h
2492
check_header vdpau/vdpau_x11.h
2493
check_header X11/extensions/XvMClib.h
2494

    
2495
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2496

    
2497
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2498
     enabled_any $need_memalign ; then
2499
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2500
fi
2501

    
2502
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2503
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2504

    
2505
# check for some common methods of building with pthread support
2506
# do this before the optional library checks as some of them require pthreads
2507
if enabled pthreads; then
2508
    if check_func pthread_create; then
2509
        :
2510
    elif check_func pthread_create -pthread; then
2511
        add_cflags -pthread
2512
        add_extralibs -pthread
2513
    elif check_func pthread_create -pthreads; then
2514
        add_cflags -pthreads
2515
        add_extralibs -pthreads
2516
    elif check_func pthread_create -lpthreadGC2; then
2517
        add_extralibs -lpthreadGC2
2518
    elif ! check_lib pthread.h pthread_create -lpthread; then
2519
        die "ERROR: can't find pthreads library"
2520
    fi
2521
fi
2522

    
2523
for thread in $THREADS_LIST; do
2524
    if enabled $thread; then
2525
        test -n "$thread_type" &&
2526
            die "ERROR: Only one thread type must be selected." ||
2527
            thread_type="$thread"
2528
    fi
2529
done
2530

    
2531
check_lib math.h sin -lm
2532
check_lib va/va.h vaInitialize -lva
2533

    
2534
check_mathfunc exp2
2535
check_mathfunc exp2f
2536
check_mathfunc llrint
2537
check_mathfunc log2
2538
check_mathfunc log2f
2539
check_mathfunc lrint
2540
check_mathfunc lrintf
2541
check_mathfunc round
2542
check_mathfunc roundf
2543
check_mathfunc truncf
2544

    
2545
# these are off by default, so fail if requested and not available
2546
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2547
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2548
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2549
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2550
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2551
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2552
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2553
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2554
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2555
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2556
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2557
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2558
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2559
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2560
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2561
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2562
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2563
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
2564
                      { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2565
                        die "ERROR: libx264 version must be >= 0.83."; }
2566
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2567
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2568

    
2569
# libdc1394 check
2570
if enabled libdc1394; then
2571
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2572
        enable libdc1394_2; } ||
2573
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2574
        enable libdc1394_1; } ||
2575
    die "ERROR: No version of libdc1394 found "
2576
fi
2577

    
2578
SDL_CONFIG="${cross_prefix}sdl-config"
2579
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2580
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2581
    sdl_libs=$("${SDL_CONFIG}" --libs)
2582
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2583
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2584
    enable sdl &&
2585
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2586
fi
2587

    
2588
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2589

    
2590
if enabled network; then
2591
    check_type "sys/types.h sys/socket.h" socklen_t
2592
    check_type netdb.h "struct addrinfo"
2593
    check_type netinet/in.h "struct ipv6_mreq"
2594
    check_type netinet/in.h "struct sockaddr_in6"
2595
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2596
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2597
    # Prefer arpa/inet.h over winsock2
2598
    if check_header arpa/inet.h ; then
2599
        check_func closesocket
2600
    elif check_header winsock2.h ; then
2601
        check_func_headers winsock2.h closesocket -lws2 && \
2602
            network_extralibs="-lws2" || \
2603
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2604
            network_extralibs="-lws2_32"; }
2605
        check_type ws2tcpip.h socklen_t
2606
        check_type ws2tcpip.h "struct addrinfo"
2607
        check_type ws2tcpip.h "struct ipv6_mreq"
2608
        check_type ws2tcpip.h "struct sockaddr_in6"
2609
        check_type ws2tcpip.h "struct sockaddr_storage"
2610
        check_struct winsock2.h "struct sockaddr" sa_len
2611
    else
2612
        disable network
2613
    fi
2614
fi
2615

    
2616
check_header linux/videodev.h
2617
check_header linux/videodev2.h
2618
check_header sys/videoio.h
2619

    
2620
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2621

    
2622
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2623
{ check_header dev/bktr/ioctl_meteor.h &&
2624
  check_header dev/bktr/ioctl_bt848.h; } ||
2625
{ check_header machine/ioctl_meteor.h &&
2626
  check_header machine/ioctl_bt848.h; } ||
2627
{ check_header dev/video/meteor/ioctl_meteor.h &&
2628
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2629
check_header dev/ic/bt8xx.h
2630

    
2631
check_header sys/soundcard.h
2632
check_header soundcard.h
2633

    
2634
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2635

    
2636
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2637

    
2638
enabled x11grab                         &&
2639
check_header X11/Xlib.h                 &&
2640
check_header X11/extensions/XShm.h      &&
2641
check_header X11/extensions/Xfixes.h    &&
2642
check_func XOpenDisplay -lX11           &&
2643
check_func XShmCreateImage -lX11 -lXext &&
2644
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2645

    
2646
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2647
check_cpp_condition \
2648
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2649
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2650
      disable vdpau; }
2651
fi
2652

    
2653
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2654

    
2655
# add some useful compiler flags if supported
2656
check_cflags -Wdeclaration-after-statement
2657
check_cflags -Wall
2658
check_cflags -Wno-switch
2659
check_cflags -Wdisabled-optimization
2660
check_cflags -Wpointer-arith
2661
check_cflags -Wredundant-decls
2662
check_cflags -Wno-pointer-sign
2663
check_cflags -Wcast-qual
2664
check_cflags -Wwrite-strings
2665
check_cflags -Wtype-limits
2666
check_cflags -Wundef
2667
enabled extra_warnings && check_cflags -Winline
2668

    
2669
# add some linker flags
2670
check_ldflags -Wl,--warn-common
2671
check_ldflags -Wl,--as-needed
2672
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'
2673
check_ldflags -Wl,-Bsymbolic
2674

    
2675
echo "X{};" > $TMPV
2676
test_ldflags -Wl,--version-script,$TMPV &&
2677
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2678

    
2679
if enabled small; then
2680
    add_cflags $size_cflags
2681
    optimizations="small"
2682
elif enabled optimizations; then
2683
    add_cflags $speed_cflags
2684
fi
2685
check_cflags -fno-math-errno
2686
check_cflags -fno-signed-zeros
2687

    
2688
if enabled icc; then
2689
    # Just warnings, no remarks
2690
    check_cflags -w1
2691
    # -wd: Disable following warnings
2692
    # 144, 167, 556: -Wno-pointer-sign
2693
    # 10006: ignoring unknown option -fno-signed-zeros
2694
    # 10156: ignoring option '-W'; no argument required
2695
    check_cflags -wd144,167,556,10006,10156
2696
    # 11030: Warning unknown option --as-needed
2697
    # 10156: ignoring option '-export'; no argument required
2698
    check_ldflags -wd10156,11030
2699
    # Allow to compile with optimizations
2700
    check_ldflags -march=$cpu
2701
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2702
    enable ebp_available
2703
elif enabled ccc; then
2704
    # disable some annoying warnings
2705
    add_cflags -msg_disable cvtu32to64
2706
    add_cflags -msg_disable embedcomment
2707
    add_cflags -msg_disable needconstext
2708
    add_cflags -msg_disable nomainieee
2709
    add_cflags -msg_disable ptrmismatch1
2710
    add_cflags -msg_disable unreachcode
2711
elif enabled gcc; then
2712
    check_cflags -fno-tree-vectorize
2713
elif enabled clang; then
2714
    check_cflags -Qunused-arguments
2715
elif enabled armcc; then
2716
    # 2523: use of inline assembler is deprecated
2717
    add_cflags -Wrvct,--diag_suppress=2523
2718
elif enabled tms470; then
2719
    add_cflags -pds=824 -pds=837
2720
fi
2721

    
2722
if enabled gprof; then
2723
    add_cflags  -p
2724
    add_ldflags -p
2725
fi
2726

    
2727
# Find out if the .align argument is a power of two or not.
2728
check_asm asmalign_pot '".align 3"'
2729

    
2730
enabled_any $DECODER_LIST      && enable decoders
2731
enabled_any $ENCODER_LIST      && enable encoders
2732
enabled_any $HWACCEL_LIST      && enable hwaccels
2733
enabled_any $BSF_LIST          && enable bsfs
2734
enabled_any $DEMUXER_LIST      && enable demuxers
2735
enabled_any $MUXER_LIST        && enable muxers
2736
enabled_any $FILTER_LIST       && enable filters
2737
enabled_any $INDEV_LIST        && enable indevs
2738
enabled_any $OUTDEV_LIST       && enable outdevs
2739
enabled_any $PROTOCOL_LIST     && enable protocols
2740

    
2741
enabled_any $THREADS_LIST      && enable threads
2742

    
2743
check_deps $CONFIG_LIST       \
2744
           $CONFIG_EXTRA      \
2745
           $HAVE_LIST         \
2746
           $DECODER_LIST      \
2747
           $ENCODER_LIST      \
2748
           $HWACCEL_LIST      \
2749
           $PARSER_LIST       \
2750
           $BSF_LIST          \
2751
           $DEMUXER_LIST      \
2752
           $MUXER_LIST        \
2753
           $FILTER_LIST       \
2754
           $INDEV_LIST        \
2755
           $OUTDEV_LIST       \
2756
           $PROTOCOL_LIST     \
2757

    
2758
enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2759

    
2760
echo "install prefix            $prefix"
2761
echo "source path               $source_path"
2762
echo "C compiler                $cc"
2763
echo ".align is power-of-two    $asmalign_pot"
2764
echo "ARCH                      $arch ($cpu)"
2765
if test "$build_suffix" != ""; then
2766
    echo "build suffix              $build_suffix"
2767
fi
2768
if test "$extra_version" != ""; then
2769
    echo "version string suffix     $extra_version"
2770
fi
2771
echo "big-endian                ${bigendian-no}"
2772
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2773
if enabled x86; then
2774
    echo "yasm                      ${yasm-no}"
2775
    echo "MMX enabled               ${mmx-no}"
2776
    echo "MMX2 enabled              ${mmx2-no}"
2777
    echo "3DNow! enabled            ${amd3dnow-no}"
2778
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2779
    echo "SSE enabled               ${sse-no}"
2780
    echo "SSSE3 enabled             ${ssse3-no}"
2781
    echo "CMOV enabled              ${cmov-no}"
2782
    echo "CMOV is fast              ${fast_cmov-no}"
2783
    echo "EBX available             ${ebx_available-no}"
2784
    echo "EBP available             ${ebp_available-no}"
2785
    echo "10 operands supported     ${ten_operands-no}"
2786
fi
2787
if enabled arm; then
2788
    echo "ARMv5TE enabled           ${armv5te-no}"
2789
    echo "ARMv6 enabled             ${armv6-no}"
2790
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2791
    echo "ARM VFP enabled           ${armvfp-no}"
2792
    echo "IWMMXT enabled            ${iwmmxt-no}"
2793
    echo "NEON enabled              ${neon-no}"
2794
fi
2795
if enabled mips; then
2796
    echo "MMI enabled               ${mmi-no}"
2797
fi
2798
if enabled ppc; then
2799
    echo "AltiVec enabled           ${altivec-no}"
2800
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2801
    echo "dcbzl available           ${dcbzl-no}"
2802
    echo "performance report        ${powerpc_perf-no}"
2803
fi
2804
if enabled sparc; then
2805
    echo "VIS enabled               ${vis-no}"
2806
fi
2807
echo "gprof enabled             ${gprof-no}"
2808
echo "debug symbols             ${debug-no}"
2809
echo "strip symbols             ${stripping-no}"
2810
echo "optimizations             ${optimizations-no}"
2811
echo "static                    ${static-no}"
2812
echo "shared                    ${shared-no}"
2813
echo "postprocessing support    ${postproc-no}"
2814
echo "new filter support        ${avfilter-no}"
2815
echo "filters using lavformat   ${avfilter_lavf-no}"
2816
echo "network support           ${network-no}"
2817
echo "threading support         ${thread_type-no}"
2818
echo "SDL support               ${sdl-no}"
2819
echo "Sun medialib support      ${mlib-no}"
2820
echo "AVISynth enabled          ${avisynth-no}"
2821
echo "libdc1394 support         ${libdc1394-no}"
2822
echo "libdirac enabled          ${libdirac-no}"
2823
echo "libfaac enabled           ${libfaac-no}"
2824
echo "libfaad enabled           ${libfaad-no}"
2825
echo "libfaad dlopened          ${libfaadbin-no}"
2826
echo "libgsm enabled            ${libgsm-no}"
2827
echo "libmp3lame enabled        ${libmp3lame-no}"
2828
echo "libnut enabled            ${libnut-no}"
2829
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2830
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2831
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2832
echo "libschroedinger enabled   ${libschroedinger-no}"
2833
echo "libspeex enabled          ${libspeex-no}"
2834
echo "libtheora enabled         ${libtheora-no}"
2835
echo "libvorbis enabled         ${libvorbis-no}"
2836
echo "libx264 enabled           ${libx264-no}"
2837
echo "libxvid enabled           ${libxvid-no}"
2838
echo "zlib enabled              ${zlib-no}"
2839
echo "bzlib enabled             ${bzlib-no}"
2840
echo
2841

    
2842
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2843
    echo "Enabled ${type}s:"
2844
    eval list=\$$(toupper $type)_LIST
2845
    for part in $list; do
2846
        enabled $part && echo ${part%_*}
2847
    done | sort | pr -3 -t
2848
    echo
2849
done
2850

    
2851
license="LGPL version 2.1 or later"
2852
if enabled nonfree; then
2853
    license="nonfree and unredistributable"
2854
elif enabled gplv3; then
2855
    license="GPL version 3 or later"
2856
elif enabled lgplv3; then
2857
    license="LGPL version 3 or later"
2858
elif enabled gpl; then
2859
    license="GPL version 2 or later"
2860
fi
2861

    
2862
echo "License: $license"
2863

    
2864
echo "Creating config.mak and config.h..."
2865

    
2866
# build tree in object directory if source path is different from current one
2867
if enabled source_path_used; then
2868
    DIRS="
2869
        doc
2870
        libavcodec
2871
        libavcodec/$arch
2872
        libavdevice
2873
        libavfilter
2874
        libavformat
2875
        libavutil
2876
        libavutil/$arch
2877
        libpostproc
2878
        libswscale
2879
        libswscale/$arch
2880
        tests
2881
        tools
2882
    "
2883
    FILES="
2884
        Makefile
2885
        common.mak
2886
        subdir.mak
2887
        doc/texi2pod.pl
2888
        libavcodec/Makefile
2889
        libavdevice/Makefile
2890
        libavfilter/Makefile
2891
        libavformat/Makefile
2892
        libavutil/Makefile
2893
        libpostproc/Makefile
2894
        libswscale/Makefile
2895
    "
2896
    for dir in $DIRS ; do
2897
        mkdir -p $dir
2898
    done
2899
    for f in $FILES ; do
2900
        $ln_s "$source_path/$f" $f
2901
    done
2902
fi
2903

    
2904
enabled stripping || strip="echo skipping strip"
2905

    
2906
cat > config.mak <<EOF
2907
# Automatically generated by configure - do not modify!
2908
ifndef FFMPEG_CONFIG_MAK
2909
FFMPEG_CONFIG_MAK=1
2910
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2911
prefix=$prefix
2912
LIBDIR=\$(DESTDIR)$libdir
2913
SHLIBDIR=\$(DESTDIR)$shlibdir
2914
INCDIR=\$(DESTDIR)$incdir
2915
BINDIR=\$(DESTDIR)$bindir
2916
DATADIR=\$(DESTDIR)$datadir
2917
MANDIR=\$(DESTDIR)$mandir
2918
SRC_PATH="$source_path"
2919
SRC_PATH_BARE=$source_path
2920
BUILD_ROOT="$PWD"
2921
ARCH=$arch
2922
CC=$cc
2923
AS=$as
2924
LD=$ld
2925
DEPCC=$dep_cc
2926
YASM=$yasmexe
2927
AR=$ar
2928
RANLIB=$ranlib
2929
LN_S=$ln_s
2930
STRIP=$strip
2931
CPPFLAGS=$CPPFLAGS
2932
CFLAGS=$CFLAGS
2933
ASFLAGS=$ASFLAGS
2934
CC_O=$CC_O
2935
LDFLAGS=$LDFLAGS
2936
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2937
SHFLAGS=$SHFLAGS
2938
YASMFLAGS=$YASMFLAGS
2939
BUILDSUF=$build_suffix
2940
FULLNAME=$FULLNAME
2941
LIBPREF=$LIBPREF
2942
LIBSUF=$LIBSUF
2943
LIBNAME=$LIBNAME
2944
SLIBPREF=$SLIBPREF
2945
SLIBSUF=$SLIBSUF
2946
EXESUF=$EXESUF
2947
EXTRA_VERSION=$extra_version
2948
DEPFLAGS=$DEPFLAGS
2949
CCDEP=$CCDEP
2950
ASDEP=$ASDEP
2951
CC_DEPFLAGS=$CC_DEPFLAGS
2952
AS_DEPFLAGS=$AS_DEPFLAGS
2953
HOSTCC=$host_cc
2954
HOSTCFLAGS=$host_cflags
2955
HOSTEXESUF=$HOSTEXESUF
2956
HOSTLDFLAGS=$host_ldflags
2957
HOSTLIBS=$host_libs
2958
TARGET_EXEC=$target_exec
2959
TARGET_PATH=$target_path
2960
SDL_LIBS=$sdl_libs
2961
SDL_CFLAGS=$sdl_cflags
2962
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2963
EXTRALIBS=$extralibs
2964
EOF
2965

    
2966
get_version(){
2967
    name=$1
2968
    file=$source_path/$2
2969
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2970
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2971
    lcname=$(tolower $name)
2972
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2973
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2974
}
2975

    
2976
get_version LIBSWSCALE  libswscale/swscale.h
2977
get_version LIBPOSTPROC libpostproc/postprocess.h
2978
get_version LIBAVCODEC  libavcodec/avcodec.h
2979
get_version LIBAVDEVICE libavdevice/avdevice.h
2980
get_version LIBAVFORMAT libavformat/avformat.h
2981
get_version LIBAVUTIL   libavutil/avutil.h
2982
get_version LIBAVFILTER libavfilter/avfilter.h
2983

    
2984
enabled shared && cat >> config.mak <<EOF
2985
LIBTARGET=${LIBTARGET}
2986
SLIBNAME=${SLIBNAME}
2987
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2988
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2989
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2990
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2991
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2992
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2993
EOF
2994

    
2995
enabled asmalign_pot || align_shift="1 <<"
2996

    
2997
cat > $TMPH <<EOF
2998
/* Automatically generated by configure - do not modify! */
2999
#ifndef FFMPEG_CONFIG_H
3000
#define FFMPEG_CONFIG_H
3001
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3002
#define FFMPEG_LICENSE "$(c_escape $license)"
3003
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3004
#define CC_TYPE "$cc_type"
3005
#define CC_VERSION $cc_version
3006
#define restrict $_restrict
3007
#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3008
#define EXTERN_PREFIX "${extern_prefix}"
3009
#define EXTERN_ASM ${extern_prefix}
3010
EOF
3011

    
3012
test -n "$malloc_prefix" &&
3013
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3014

    
3015
if enabled small || disabled optimizations; then
3016
    echo "#define av_always_inline"  >> $TMPH
3017
fi
3018

    
3019
print_config ARCH_   $TMPH config.mak $ARCH_LIST
3020
print_config HAVE_   $TMPH config.mak $HAVE_LIST
3021
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
3022
                                      $CONFIG_EXTRA      \
3023
                                      $DECODER_LIST      \
3024
                                      $ENCODER_LIST      \
3025
                                      $HWACCEL_LIST      \
3026
                                      $PARSER_LIST       \
3027
                                      $BSF_LIST          \
3028
                                      $DEMUXER_LIST      \
3029
                                      $MUXER_LIST        \
3030
                                      $FILTER_LIST       \
3031
                                      $PROTOCOL_LIST     \
3032
                                      $INDEV_LIST        \
3033
                                      $OUTDEV_LIST       \
3034

    
3035
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3036
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3037

    
3038
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3039
cp_if_changed $TMPH config.h
3040

    
3041
cat > $TMPH <<EOF
3042
/* Generated by ffconf */
3043
#ifndef AVUTIL_AVCONFIG_H
3044
#define AVUTIL_AVCONFIG_H
3045
EOF
3046

    
3047
print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3048

    
3049
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3050

    
3051
cp_if_changed $TMPH libavutil/avconfig.h
3052

    
3053
# build pkg-config files
3054

    
3055
pkgconfig_generate(){
3056
name=$1
3057
shortname=${name#lib}${build_suffix}
3058
comment=$2
3059
version=$3
3060
libs=$4
3061
requires=$5
3062
cat <<EOF > $name/$name.pc
3063
prefix=$prefix
3064
exec_prefix=\${prefix}
3065
libdir=$libdir
3066
includedir=$incdir
3067

    
3068
Name: $name
3069
Description: $comment
3070
Version: $version
3071
Requires: $(enabled shared || echo $requires)
3072
Requires.private: $(enabled shared && echo $requires)
3073
Conflicts:
3074
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3075
Libs.private: $(enabled shared && echo $libs)
3076
Cflags: -I\${includedir}
3077
EOF
3078
cat <<EOF > $name/$name-uninstalled.pc
3079
prefix=
3080
exec_prefix=
3081
libdir=\${pcfiledir}
3082
includedir=${source_path}
3083

    
3084
Name: $name
3085
Description: $comment
3086
Version: $version
3087
Requires: $requires
3088
Conflicts:
3089
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3090
Cflags: -I\${includedir}
3091
EOF
3092
}
3093

    
3094
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3095
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3096
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3097
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3098
enabled avfilter &&
3099
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3100
enabled postproc &&
3101
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3102
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"