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

    
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# Prevent locale nonsense from breaking basic text processing.
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LC_ALL=C
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export LC_ALL
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# make sure we are running under a compatible shell
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# try to make this part work with most shells
16

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

    
57
show_help(){
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cat <<EOF
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Usage: configure [options]
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Options: [defaults in brackets after descriptions]
61

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

    
74
Configuration options:
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  --disable-static         do not build static libraries [no]
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  --enable-shared          build shared libraries [no]
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  --enable-gpl             allow use of GPL code, the resulting libs
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                           and binaries will be under GPL [no]
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  --enable-version3        upgrade (L)GPL to version 3 [no]
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  --enable-nonfree         allow use of nonfree code, the resulting libs
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                           and binaries will be unredistributable [no]
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  --disable-doc            do not build documentation
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  --disable-ffmpeg         disable ffmpeg build
84
  --disable-ffplay         disable ffplay build
85
  --disable-ffprobe        disable ffprobe build
86
  --disable-ffserver       disable ffserver build
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  --disable-avdevice       disable libavdevice build
88
  --disable-avcodec        disable libavcodec build
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  --disable-avcore         disable libavcore build
90
  --disable-avformat       disable libavformat build
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  --disable-swscale        disable libswscale build
92
  --enable-postproc        enable GPLed postprocessing support [no]
93
  --disable-avfilter       disable video filter support [no]
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  --disable-pthreads       disable pthreads [auto]
95
  --enable-w32threads      use Win32 threads [no]
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  --enable-x11grab         enable X11 grabbing [no]
97
  --disable-network        disable network support [no]
98
  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
99
  --enable-gray            enable full grayscale support (slower color)
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  --disable-swscale-alpha  disable alpha channel support in swscale
101
  --disable-fastdiv        disable table-based division
102
  --enable-small           optimize for size instead of speed
103
  --disable-aandct         disable AAN DCT code
104
  --disable-dct            disable DCT code
105
  --disable-fft            disable FFT code
106
  --disable-golomb         disable Golomb code
107
  --disable-huffman        disable Huffman code
108
  --disable-lpc            disable LPC code
109
  --disable-mdct           disable MDCT code
110
  --disable-rdft           disable RDFT code
111
  --disable-vaapi          disable VAAPI code
112
  --disable-vdpau          disable VDPAU code
113
  --disable-dxva2          disable DXVA2 code
114
  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115
  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116
  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
117
  --disable-everything     disable all components listed below
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  --disable-encoder=NAME   disable encoder NAME
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  --enable-encoder=NAME    enable encoder NAME
120
  --disable-encoders       disable all encoders
121
  --disable-decoder=NAME   disable decoder NAME
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  --enable-decoder=NAME    enable decoder NAME
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  --disable-decoders       disable all decoders
124
  --disable-hwaccel=NAME   disable hwaccel NAME
125
  --enable-hwaccel=NAME    enable hwaccel NAME
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
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  --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-frei0r          enable frei0r video filtering
166
  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168
  --enable-libopencv       enable video filtering via libopencv [no]
169
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
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                           and libraw1394 [no]
171
  --enable-libdirac        enable Dirac support via libdirac [no]
172
  --enable-libfaac         enable FAAC support via libfaac [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-librtmp         enable RTMP[E] support via librtmp [no]
179
  --enable-libschroedinger enable Dirac support via libschroedinger [no]
180
  --enable-libspeex        enable Speex decoding via libspeex [no]
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  --enable-libtheora       enable Theora encoding via libtheora [no]
182
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
183
                           native implementation exists [no]
184
  --enable-libvpx          enable VP8 support via libvpx [no]
185
  --enable-libx264         enable H.264 encoding via x264 [no]
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  --enable-libxavs         enable AVS encoding via xavs [no]
187
  --enable-libxvid         enable Xvid encoding via xvidcore,
188
                           native MPEG-4/Xvid encoder exists [no]
189
  --enable-mlib            enable Sun medialib [no]
190
  --enable-zlib            enable zlib [autodetect]
191

    
192
Advanced options (experts only):
193
  --source-path=PATH       path to source code [$source_path]
194
  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
195
  --enable-cross-compile   assume a cross-compiler is used
196
  --sysroot=PATH           root of cross-build tree
197
  --sysinclude=PATH        location of cross-build system headers
198
  --target-os=OS           compiler targets OS [$target_os]
199
  --target-exec=CMD        command to run executables on target
200
  --target-path=DIR        path to view of build directory on target
201
  --nm=NM                  use nm tool
202
  --ar=AR                  use archive tool AR [$ar_default]
203
  --as=AS                  use assembler AS [$as_default]
204
  --cc=CC                  use C compiler CC [$cc_default]
205
  --ld=LD                  use linker LD
206
  --host-cc=HOSTCC         use host C compiler HOSTCC
207
  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
208
  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
209
  --host-libs=HLIBS        use libs HLIBS when linking for host
210
  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
211
  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
212
  --extra-libs=ELIBS       add ELIBS [$ELIBS]
213
  --extra-version=STRING   version string suffix []
214
  --build-suffix=SUFFIX    library name suffix []
215
  --arch=ARCH              select architecture [$arch]
216
  --cpu=CPU                select the minimum required CPU (affects
217
                           instruction selection, may crash on older CPUs)
218
  --disable-asm            disable all assembler optimizations
219
  --disable-altivec        disable AltiVec optimizations
220
  --disable-amd3dnow       disable 3DNow! optimizations
221
  --disable-amd3dnowext    disable 3DNow! extended optimizations
222
  --disable-mmx            disable MMX optimizations
223
  --disable-mmx2           disable MMX2 optimizations
224
  --disable-sse            disable SSE optimizations
225
  --disable-ssse3          disable SSSE3 optimizations
226
  --disable-armv5te        disable armv5te optimizations
227
  --disable-armv6          disable armv6 optimizations
228
  --disable-armv6t2        disable armv6t2 optimizations
229
  --disable-armvfp         disable ARM VFP optimizations
230
  --disable-iwmmxt         disable iwmmxt optimizations
231
  --disable-mmi            disable MMI optimizations
232
  --disable-neon           disable neon optimizations
233
  --disable-vis            disable VIS optimizations
234
  --disable-yasm           disable use of yasm assembler
235
  --enable-pic             build position-independent code
236
  --malloc-prefix=PFX      prefix malloc and related names with PFX
237
  --enable-sram            allow use of on-chip SRAM
238
  --disable-symver         disable symbol versioning
239

    
240
Developer options (useful when working on FFmpeg itself):
241
  --disable-debug          disable debugging symbols
242
  --enable-debug=LEVEL     set the debug level [$debuglevel]
243
  --disable-optimizations  disable compiler optimizations
244
  --enable-extra-warnings  enable more compiler warnings
245
  --disable-stripping      disable stripping of executables and shared libraries
246
  --samples=PATH           location of test samples for FATE
247

    
248
NOTE: Object files are built at the place where configure is launched.
249
EOF
250
  exit 0
251
}
252

    
253
quotes='""'
254

    
255
log(){
256
    echo "$@" >> $logfile
257
}
258

    
259
log_file(){
260
    log BEGIN $1
261
    pr -n -t $1 >> $logfile
262
    log END $1
263
}
264

    
265
echolog(){
266
    log "$@"
267
    echo "$@"
268
}
269

    
270
warn(){
271
    log "WARNING: $*"
272
    WARNINGS="${WARNINGS}WARNING: $*\n"
273
}
274

    
275
die(){
276
    echolog "$@"
277
    cat <<EOF
278

    
279
If you think configure made a mistake, make sure you are using the latest
280
version from Git.  If the latest version fails, report the problem to the
281
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
282
EOF
283
    if disabled logging; then
284
        cat <<EOF
285
Rerun configure with logging enabled (do not use --disable-logging), and
286
include the log this produces with your report.
287
EOF
288
    else
289
cat <<EOF
290
Include the log file "$logfile" produced by configure as this will help
291
solving the problem.
292
EOF
293
    fi
294
    exit 1
295
}
296

    
297
# Avoid locale weirdness, besides we really just want to translate ASCII.
298
toupper(){
299
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
300
}
301

    
302
tolower(){
303
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
304
}
305

    
306
c_escape(){
307
    echo "$*" | sed 's/["\\]/\\\0/g'
308
}
309

    
310
sh_quote(){
311
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
312
    test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
313
    echo "$v"
314
}
315

    
316
filter(){
317
    pat=$1
318
    shift
319
    for v; do
320
        eval "case $v in $pat) echo $v ;; esac"
321
    done
322
}
323

    
324
map(){
325
    m=$1
326
    shift
327
    for v; do eval $m; done
328
}
329

    
330
set_all(){
331
    value=$1
332
    shift
333
    for var in $*; do
334
        eval $var=$value
335
    done
336
}
337

    
338
set_weak(){
339
    value=$1
340
    shift
341
    for var; do
342
        eval : \${$var:=$value}
343
    done
344
}
345

    
346
pushvar(){
347
    for var in $*; do
348
        eval level=\${${var}_level:=0}
349
        eval ${var}_${level}="\$$var"
350
        eval ${var}_level=$(($level+1))
351
    done
352
}
353

    
354
popvar(){
355
    for var in $*; do
356
        eval level=\${${var}_level:-0}
357
        test $level = 0 && continue
358
        eval level=$(($level-1))
359
        eval $var="\${${var}_${level}}"
360
        eval ${var}_level=$level
361
        eval unset ${var}_${level}
362
    done
363
}
364

    
365
enable(){
366
    set_all yes $*
367
}
368

    
369
disable(){
370
    set_all no $*
371
}
372

    
373
enable_weak(){
374
    set_weak yes $*
375
}
376

    
377
disable_weak(){
378
    set_weak no $*
379
}
380

    
381
enable_safe(){
382
    for var; do
383
        enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
384
    done
385
}
386

    
387
disable_safe(){
388
    for var; do
389
        disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
390
    done
391
}
392

    
393
do_enable_deep(){
394
    for var; do
395
        enabled $var && continue
396
        eval sel="\$${var}_select"
397
        eval sgs="\$${var}_suggest"
398
        pushvar var sgs
399
        enable_deep $sel
400
        popvar sgs
401
        enable_deep_weak $sgs
402
        popvar var
403
    done
404
}
405

    
406
enable_deep(){
407
    do_enable_deep $*
408
    enable $*
409
}
410

    
411
enable_deep_weak(){
412
    do_enable_deep $*
413
    enable_weak $*
414
}
415

    
416
enabled(){
417
    test "${1#!}" = "$1" && op== || op=!=
418
    eval test "x\$${1#!}" $op "xyes"
419
}
420

    
421
disabled(){
422
    test "${1#!}" = "$1" && op== || op=!=
423
    eval test "x\$${1#!}" $op "xno"
424
}
425

    
426
enabled_all(){
427
    for opt; do
428
        enabled $opt || return 1
429
    done
430
}
431

    
432
disabled_all(){
433
    for opt; do
434
        disabled $opt || return 1
435
    done
436
}
437

    
438
enabled_any(){
439
    for opt; do
440
        enabled $opt && return 0
441
    done
442
}
443

    
444
disabled_any(){
445
    for opt; do
446
        disabled $opt && return 0
447
    done
448
    return 1
449
}
450

    
451
set_default(){
452
    for opt; do
453
        eval : \${$opt:=\$${opt}_default}
454
    done
455
}
456

    
457
is_in(){
458
    value=$1
459
    shift
460
    for var in $*; do
461
        [ $var = $value ] && return 0
462
    done
463
    return 1
464
}
465

    
466
check_deps(){
467
    for cfg; do
468
        cfg="${cfg#!}"
469
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
470
        disabled ${cfg}_checking && continue
471
        enable ${cfg}_checking
472

    
473
        eval dep_all="\$${cfg}_deps"
474
        eval dep_any="\$${cfg}_deps_any"
475
        eval dep_sel="\$${cfg}_select"
476
        eval dep_sgs="\$${cfg}_suggest"
477
        eval dep_ifa="\$${cfg}_if"
478
        eval dep_ifn="\$${cfg}_if_any"
479

    
480
        pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
481
        check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
482
        popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
483

    
484
        [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
485
        [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
486
        enabled_all  $dep_all || disable $cfg
487
        enabled_any  $dep_any || disable $cfg
488
        disabled_any $dep_sel && disable $cfg
489

    
490
        if enabled $cfg; then
491
            eval dep_extralibs="\$${cfg}_extralibs"
492
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
493
            enable_deep $dep_sel
494
            enable_deep_weak $dep_sgs
495
        fi
496

    
497
        disable ${cfg}_checking
498
    done
499
}
500

    
501
print_config_h(){
502
    enabled $1 && v=1 || v=0
503
    echo "#define $2 $v"
504
}
505

    
506
print_config_mak(){
507
    enabled $1 && v= || v=!
508
    echo "$v$2=yes"
509
}
510

    
511
print_config_asm(){
512
    enabled $1 && echo "%define $2"
513
}
514

    
515
print_config(){
516
    pfx=$1
517
    files=$2
518
    shift 2
519
    for cfg; do
520
        ucname="$(toupper $cfg)"
521
        for f in $files; do
522
            "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
523
        done
524
    done
525
}
526

    
527
print_enabled(){
528
    test "$1" = -n && end=" " && shift || end="\n"
529
    suf=$1
530
    shift
531
    for v; do
532
        enabled $v && printf "%s$end" ${v%$suf};
533
    done
534
}
535

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

    
542
prepend(){
543
    var=$1
544
    shift
545
    eval "$var=\"$* \$$var\""
546
}
547

    
548
add_cppflags(){
549
    append CPPFLAGS $($filter_cppflags "$@")
550
}
551

    
552
add_cflags(){
553
    append CFLAGS $($filter_cflags "$@")
554
}
555

    
556
add_asflags(){
557
    append ASFLAGS $($filter_asflags "$@")
558
}
559

    
560
add_ldflags(){
561
    append LDFLAGS "$@"
562
}
563

    
564
add_extralibs(){
565
    prepend extralibs "$@"
566
}
567

    
568
check_cmd(){
569
    log "$@"
570
    "$@" >> $logfile 2>&1
571
}
572

    
573
check_cc(){
574
    log check_cc "$@"
575
    cat > $TMPC
576
    log_file $TMPC
577
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
578
}
579

    
580
check_cpp(){
581
    log check_cpp "$@"
582
    cat > $TMPC
583
    log_file $TMPC
584
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
585
}
586

    
587
check_as(){
588
    log check_as "$@"
589
    cat > $TMPC
590
    log_file $TMPC
591
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
592
}
593

    
594
check_asm(){
595
    log check_asm "$@"
596
    name="$1"
597
    code="$2"
598
    shift 2
599
    disable $name
600
    check_as "$@" <<EOF && enable $name
601
void foo(void){ __asm__ volatile($code); }
602
EOF
603
}
604

    
605
check_yasm(){
606
    log check_yasm "$@"
607
    echo "$1" > $TMPS
608
    log_file $TMPS
609
    shift 1
610
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
611
}
612

    
613
check_ld(){
614
    log check_ld "$@"
615
    flags=''
616
    libs=''
617
    for f; do
618
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
619
    done
620
    check_cc $($filter_cflags $flags) || return
621
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
622
}
623

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

    
632
check_cflags(){
633
    log check_cflags "$@"
634
    set -- $($filter_cflags "$@")
635
    check_cc "$@" <<EOF && append CFLAGS "$@"
636
int x;
637
EOF
638
}
639

    
640
test_ldflags(){
641
    log test_ldflags "$@"
642
    check_ld "$@" <<EOF
643
int main(void){ return 0; }
644
EOF
645
}
646

    
647
check_ldflags(){
648
    log check_ldflags "$@"
649
    test_ldflags "$@" && add_ldflags "$@"
650
}
651

    
652
check_header(){
653
    log check_header "$@"
654
    header=$1
655
    shift
656
    disable_safe $header
657
    check_cpp "$@" <<EOF && enable_safe $header
658
#include <$header>
659
int x;
660
EOF
661
}
662

    
663
check_func(){
664
    log check_func "$@"
665
    func=$1
666
    shift
667
    disable $func
668
    check_ld "$@" <<EOF && enable $func
669
extern int $func();
670
int main(void){ $func(); }
671
EOF
672
}
673

    
674
check_mathfunc(){
675
    log check_mathfunc "$@"
676
    func=$1
677
    shift
678
    disable $func
679
    check_ld "$@" <<EOF && enable $func
680
#include <math.h>
681
float foo(float f) { return $func(f); }
682
int main(void){ return 0; }
683
EOF
684
}
685

    
686
check_func_headers(){
687
    log check_func_headers "$@"
688
    headers=$1
689
    func=$2
690
    shift 2
691
    disable $func
692
    incs=""
693
    for hdr in $headers; do
694
        incs="$incs
695
#include <$hdr>"
696
    done
697
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
698
$incs
699
int main(int argc, char **argv){
700
    return (long) $func;
701
}
702
EOF
703
}
704

    
705
check_cpp_condition(){
706
    log check_cpp_condition "$@"
707
    header=$1
708
    condition=$2
709
    shift 2
710
    check_cpp $($filter_cppflags "$@") <<EOF
711
#include <$header>
712
#if !($condition)
713
#error "unsatisfied condition: $condition"
714
#endif
715
EOF
716
}
717

    
718
check_lib(){
719
    log check_lib "$@"
720
    header="$1"
721
    func="$2"
722
    shift 2
723
    check_header $header && check_func $func "$@" && add_extralibs "$@"
724
}
725

    
726
check_lib2(){
727
    log check_lib2 "$@"
728
    headers="$1"
729
    func="$2"
730
    shift 2
731
    check_func_headers "$headers" $func "$@" && add_extralibs "$@"
732
}
733

    
734
check_exec(){
735
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
736
}
737

    
738
check_exec_crash(){
739
    code=$(cat)
740

    
741
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
742
    # are safe but may not be available everywhere.  Thus we use
743
    # raise(SIGTERM) instead.  The check is run in a subshell so we
744
    # can redirect the "Terminated" message from the shell.  SIGBUS
745
    # is not defined by standard C so it is used conditionally.
746

    
747
    (check_exec "$@") >> $logfile 2>&1 <<EOF
748
#include <signal.h>
749
static void sighandler(int sig){
750
    raise(SIGTERM);
751
}
752
int main(void){
753
    signal(SIGILL, sighandler);
754
    signal(SIGFPE, sighandler);
755
    signal(SIGSEGV, sighandler);
756
#ifdef SIGBUS
757
    signal(SIGBUS, sighandler);
758
#endif
759
    { $code }
760
}
761
EOF
762
}
763

    
764
check_type(){
765
    log check_type "$@"
766
    headers=$1
767
    type=$2
768
    shift 2
769
    disable_safe "$type"
770
    incs=""
771
    for hdr in $headers; do
772
        incs="$incs
773
#include <$hdr>"
774
    done
775
    check_cc "$@" <<EOF && enable_safe "$type"
776
$incs
777
$type v;
778
EOF
779
}
780

    
781
check_struct(){
782
    log check_type "$@"
783
    headers=$1
784
    struct=$2
785
    member=$3
786
    shift 3
787
    disable_safe "${struct}_${member}"
788
    incs=""
789
    for hdr in $headers; do
790
        incs="$incs
791
#include <$hdr>"
792
    done
793
    check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
794
$incs
795
const void *p = &(($struct *)0)->$member;
796
EOF
797
}
798

    
799
require(){
800
    name="$1"
801
    header="$2"
802
    func="$3"
803
    shift 3
804
    check_lib $header $func "$@" || die "ERROR: $name not found"
805
}
806

    
807
require2(){
808
    name="$1"
809
    headers="$2"
810
    func="$3"
811
    shift 3
812
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
813
}
814

    
815
check_host_cc(){
816
    log check_host_cc "$@"
817
    cat > $TMPC
818
    log_file $TMPC
819
    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
820
}
821

    
822
check_host_cflags(){
823
    log check_host_cflags "$@"
824
    check_host_cc "$@" <<EOF && append host_cflags "$@"
825
int x;
826
EOF
827
}
828

    
829
apply(){
830
    file=$1
831
    shift
832
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
833
}
834

    
835
cp_if_changed(){
836
    cmp -s "$1" "$2" &&
837
        echo "$2 is unchanged" ||
838
        cp -f "$1" "$2"
839
}
840

    
841
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
842
# system-dependent things.
843

    
844
COMPONENT_LIST="
845
    bsfs
846
    decoders
847
    demuxers
848
    encoders
849
    filters
850
    hwaccels
851
    indevs
852
    muxers
853
    outdevs
854
    parsers
855
    protocols
856
"
857

    
858
CONFIG_LIST="
859
    $COMPONENT_LIST
860
    aandct
861
    avcodec
862
    avcore
863
    avdevice
864
    avfilter
865
    avformat
866
    avisynth
867
    bzlib
868
    dct
869
    doc
870
    dwt
871
    dxva2
872
    fastdiv
873
    ffmpeg
874
    ffplay
875
    ffprobe
876
    ffserver
877
    fft
878
    frei0r
879
    golomb
880
    gpl
881
    gray
882
    h264dsp
883
    h264pred
884
    hardcoded_tables
885
    huffman
886
    libdc1394
887
    libdirac
888
    libfaac
889
    libgsm
890
    libmp3lame
891
    libnut
892
    libopencore_amrnb
893
    libopencore_amrwb
894
    libopencv
895
    libopenjpeg
896
    librtmp
897
    libschroedinger
898
    libspeex
899
    libtheora
900
    libvorbis
901
    libvpx
902
    libx264
903
    libxavs
904
    libxvid
905
    lpc
906
    lsp
907
    mdct
908
    memalign_hack
909
    mlib
910
    mpegaudio_hp
911
    network
912
    nonfree
913
    pic
914
    postproc
915
    rdft
916
    rtpdec
917
    runtime_cpudetect
918
    shared
919
    small
920
    sram
921
    static
922
    swscale
923
    swscale_alpha
924
    vaapi
925
    vdpau
926
    version3
927
    x11grab
928
    zlib
929
"
930

    
931
THREADS_LIST='
932
    pthreads
933
    w32threads
934
'
935

    
936
ARCH_LIST='
937
    alpha
938
    arm
939
    avr32
940
    avr32_ap
941
    avr32_uc
942
    bfin
943
    ia64
944
    m68k
945
    mips
946
    mips64
947
    parisc
948
    ppc
949
    ppc64
950
    s390
951
    sh4
952
    sparc
953
    sparc64
954
    tomi
955
    x86
956
    x86_32
957
    x86_64
958
'
959

    
960
ARCH_EXT_LIST='
961
    altivec
962
    amd3dnow
963
    amd3dnowext
964
    armv5te
965
    armv6
966
    armv6t2
967
    armvfp
968
    iwmmxt
969
    mmi
970
    mmx
971
    mmx2
972
    neon
973
    ppc4xx
974
    sse
975
    ssse3
976
    vis
977
'
978

    
979
HAVE_LIST_PUB='
980
    bigendian
981
    fast_unaligned
982
'
983

    
984
HAVE_LIST="
985
    $ARCH_EXT_LIST
986
    $HAVE_LIST_PUB
987
    $THREADS_LIST
988
    aligned_stack
989
    alsa_asoundlib_h
990
    altivec_h
991
    arpa_inet_h
992
    attribute_may_alias
993
    attribute_packed
994
    bswap
995
    closesocket
996
    cmov
997
    conio_h
998
    dcbzl
999
    dev_bktr_ioctl_bt848_h
1000
    dev_bktr_ioctl_meteor_h
1001
    dev_ic_bt8xx_h
1002
    dev_video_meteor_ioctl_meteor_h
1003
    dev_video_bktr_ioctl_bt848_h
1004
    dlfcn_h
1005
    dlopen
1006
    dos_paths
1007
    ebp_available
1008
    ebx_available
1009
    exp2
1010
    exp2f
1011
    fast_64bit
1012
    fast_clz
1013
    fast_cmov
1014
    fcntl
1015
    fork
1016
    getaddrinfo
1017
    gethrtime
1018
    GetProcessMemoryInfo
1019
    GetProcessTimes
1020
    getrusage
1021
    gnu_as
1022
    struct_rusage_ru_maxrss
1023
    ibm_asm
1024
    inet_aton
1025
    inline_asm
1026
    isatty
1027
    ldbrx
1028
    libdc1394_1
1029
    libdc1394_2
1030
    llrint
1031
    llrintf
1032
    local_aligned_16
1033
    local_aligned_8
1034
    log2
1035
    log2f
1036
    loongson
1037
    lrint
1038
    lrintf
1039
    lzo1x_999_compress
1040
    machine_ioctl_bt848_h
1041
    machine_ioctl_meteor_h
1042
    malloc_h
1043
    MapViewOfFile
1044
    memalign
1045
    mkstemp
1046
    mmap
1047
    pld
1048
    posix_memalign
1049
    round
1050
    roundf
1051
    sdl
1052
    sdl_video_size
1053
    setmode
1054
    socklen_t
1055
    soundcard_h
1056
    poll_h
1057
    setrlimit
1058
    strerror_r
1059
    strtok_r
1060
    struct_addrinfo
1061
    struct_ipv6_mreq
1062
    struct_sockaddr_in6
1063
    struct_sockaddr_sa_len
1064
    struct_sockaddr_storage
1065
    symver
1066
    symver_gnu_asm
1067
    symver_asm_label
1068
    sys_mman_h
1069
    sys_resource_h
1070
    sys_select_h
1071
    sys_soundcard_h
1072
    sys_videoio_h
1073
    ten_operands
1074
    termios_h
1075
    threads
1076
    truncf
1077
    vfp_args
1078
    VirtualAlloc
1079
    winsock2_h
1080
    xform_asm
1081
    xmm_clobbers
1082
    yasm
1083
"
1084

    
1085
# options emitted with CONFIG_ prefix but not available on command line
1086
CONFIG_EXTRA="
1087
    avutil
1088
    gplv3
1089
    lgplv3
1090
"
1091

    
1092
CMDLINE_SELECT="
1093
    $ARCH_EXT_LIST
1094
    $CONFIG_LIST
1095
    $THREADS_LIST
1096
    asm
1097
    cross_compile
1098
    debug
1099
    extra_warnings
1100
    logging
1101
    optimizations
1102
    stripping
1103
    symver
1104
    yasm
1105
"
1106

    
1107
PATHS_LIST='
1108
    bindir
1109
    datadir
1110
    incdir
1111
    libdir
1112
    mandir
1113
    prefix
1114
    shlibdir
1115
'
1116

    
1117
CMDLINE_SET="
1118
    $PATHS_LIST
1119
    ar
1120
    arch
1121
    as
1122
    build_suffix
1123
    cc
1124
    cpu
1125
    cross_prefix
1126
    dep_cc
1127
    extra_version
1128
    host_cc
1129
    host_cflags
1130
    host_ldflags
1131
    host_libs
1132
    host_os
1133
    ld
1134
    logfile
1135
    malloc_prefix
1136
    nm
1137
    samples
1138
    source_path
1139
    strip
1140
    sysinclude
1141
    sysroot
1142
    target_exec
1143
    target_os
1144
    target_path
1145
"
1146

    
1147
CMDLINE_APPEND="
1148
    extra_cflags
1149
"
1150

    
1151
# code dependency declarations
1152

    
1153
# architecture extensions
1154

    
1155
armv5te_deps="arm"
1156
armv6_deps="arm"
1157
armv6t2_deps="arm"
1158
armvfp_deps="arm"
1159
iwmmxt_deps="arm"
1160
neon_deps="arm"
1161

    
1162
mmi_deps="mips"
1163

    
1164
altivec_deps="ppc"
1165
ppc4xx_deps="ppc"
1166

    
1167
vis_deps="sparc"
1168

    
1169
x86_64_suggest="cmov fast_cmov"
1170
amd3dnow_deps="mmx"
1171
amd3dnowext_deps="amd3dnow"
1172
mmx_deps="x86"
1173
mmx2_deps="mmx"
1174
sse_deps="mmx"
1175
ssse3_deps="sse"
1176

    
1177
aligned_stack_if_any="ppc x86"
1178
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1179
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1180
fast_unaligned_if_any="armv6 ppc x86"
1181

    
1182
need_memalign="altivec neon sse"
1183
inline_asm_deps="!tms470"
1184

    
1185
symver_if_any="symver_asm_label symver_gnu_asm"
1186

    
1187
# subsystems
1188
dct_select="rdft"
1189
mdct_select="fft"
1190
rdft_select="fft"
1191

    
1192
# decoders / encoders / hardware accelerators
1193
aac_decoder_select="mdct rdft"
1194
aac_encoder_select="mdct"
1195
aac_latm_decoder_select="aac_decoder aac_latm_parser"
1196
ac3_decoder_select="mdct ac3_parser"
1197
ac3_encoder_select="mdct"
1198
alac_encoder_select="lpc"
1199
amrnb_decoder_select="lsp"
1200
amrwb_decoder_select="lsp"
1201
atrac1_decoder_select="mdct"
1202
atrac3_decoder_select="mdct"
1203
binkaudio_dct_decoder_select="mdct rdft dct"
1204
binkaudio_rdft_decoder_select="mdct rdft"
1205
cavs_decoder_select="golomb"
1206
cook_decoder_select="mdct"
1207
cscd_decoder_suggest="zlib"
1208
dca_decoder_select="mdct"
1209
dnxhd_encoder_select="aandct"
1210
dxa_decoder_select="zlib"
1211
eac3_decoder_select="ac3_decoder"
1212
eamad_decoder_select="aandct"
1213
eatgq_decoder_select="aandct"
1214
eatqi_decoder_select="aandct"
1215
ffv1_decoder_select="golomb"
1216
flac_decoder_select="golomb"
1217
flac_encoder_select="golomb lpc"
1218
flashsv_decoder_select="zlib"
1219
flashsv_encoder_select="zlib"
1220
flv_decoder_select="h263_decoder"
1221
flv_encoder_select="h263_encoder"
1222
fraps_decoder_select="huffman"
1223
h261_encoder_select="aandct"
1224
h263_decoder_select="h263_parser"
1225
h263_encoder_select="aandct"
1226
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1227
h263i_decoder_select="h263_decoder"
1228
h263p_encoder_select="h263_encoder"
1229
h264_decoder_select="golomb h264dsp h264pred"
1230
h264_dxva2_hwaccel_deps="dxva2api_h"
1231
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1232
h264_vaapi_hwaccel_select="vaapi"
1233
h264_vdpau_decoder_select="vdpau h264_decoder"
1234
imc_decoder_select="fft mdct"
1235
jpegls_decoder_select="golomb"
1236
jpegls_encoder_select="golomb"
1237
ljpeg_encoder_select="aandct"
1238
loco_decoder_select="golomb"
1239
mjpeg_encoder_select="aandct"
1240
mlp_decoder_select="mlp_parser"
1241
mp1float_decoder_select="dct"
1242
mp2float_decoder_select="dct"
1243
mp3adufloat_decoder_select="dct"
1244
mp3float_decoder_select="dct"
1245
mp3on4float_decoder_select="dct"
1246
mpeg1video_encoder_select="aandct"
1247
mpeg2video_encoder_select="aandct"
1248
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1249
mpeg4_encoder_select="h263_encoder"
1250
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1251
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1252
mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1253
mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1254
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1255
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1256
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1257
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1258
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1259
msmpeg4v1_decoder_select="h263_decoder"
1260
msmpeg4v1_encoder_select="h263_encoder"
1261
msmpeg4v2_decoder_select="h263_decoder"
1262
msmpeg4v2_encoder_select="h263_encoder"
1263
msmpeg4v3_decoder_select="h263_decoder"
1264
msmpeg4v3_encoder_select="h263_encoder"
1265
nellymoser_decoder_select="mdct"
1266
nellymoser_encoder_select="mdct"
1267
png_decoder_select="zlib"
1268
png_encoder_select="zlib"
1269
qcelp_decoder_select="lsp"
1270
qdm2_decoder_select="mdct rdft"
1271
ra_144_encoder_select="lpc"
1272
rv10_decoder_select="h263_decoder"
1273
rv10_encoder_select="h263_encoder"
1274
rv20_decoder_select="h263_decoder"
1275
rv20_encoder_select="h263_encoder"
1276
rv30_decoder_select="golomb h264pred"
1277
rv40_decoder_select="golomb h264pred"
1278
shorten_decoder_select="golomb"
1279
sipr_decoder_select="lsp"
1280
snow_decoder_select="dwt"
1281
snow_encoder_select="aandct dwt"
1282
sonic_decoder_select="golomb"
1283
sonic_encoder_select="golomb"
1284
sonic_ls_encoder_select="golomb"
1285
svq1_encoder_select="aandct"
1286
svq3_decoder_select="golomb h264dsp h264pred"
1287
svq3_decoder_suggest="zlib"
1288
theora_decoder_select="vp3_decoder"
1289
tiff_decoder_suggest="zlib"
1290
tiff_encoder_suggest="zlib"
1291
truehd_decoder_select="mlp_decoder"
1292
tscc_decoder_select="zlib"
1293
twinvq_decoder_select="mdct lsp"
1294
vc1_decoder_select="h263_decoder"
1295
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1296
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1297
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1298
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1299
vorbis_decoder_select="mdct"
1300
vorbis_encoder_select="mdct"
1301
vp6_decoder_select="huffman"
1302
vp6a_decoder_select="vp6_decoder"
1303
vp6f_decoder_select="vp6_decoder"
1304
vp8_decoder_select="h264pred"
1305
wmapro_decoder_select="mdct"
1306
wmav1_decoder_select="mdct"
1307
wmav1_encoder_select="mdct"
1308
wmav2_decoder_select="mdct"
1309
wmav2_encoder_select="mdct"
1310
wmavoice_decoder_select="lsp rdft dct mdct"
1311
wmv1_decoder_select="h263_decoder"
1312
wmv1_encoder_select="h263_encoder"
1313
wmv2_decoder_select="h263_decoder"
1314
wmv2_encoder_select="h263_encoder"
1315
wmv3_decoder_select="vc1_decoder"
1316
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1317
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1318
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1319
zlib_decoder_select="zlib"
1320
zlib_encoder_select="zlib"
1321
zmbv_decoder_select="zlib"
1322
zmbv_encoder_select="zlib"
1323

    
1324
vaapi_deps="va_va_h"
1325
vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1326

    
1327
# parsers
1328
h264_parser_select="golomb h264dsp h264pred"
1329

    
1330
# external libraries
1331
libdirac_decoder_deps="libdirac !libschroedinger"
1332
libdirac_encoder_deps="libdirac"
1333
libfaac_encoder_deps="libfaac"
1334
libgsm_decoder_deps="libgsm"
1335
libgsm_encoder_deps="libgsm"
1336
libgsm_ms_decoder_deps="libgsm"
1337
libgsm_ms_encoder_deps="libgsm"
1338
libmp3lame_encoder_deps="libmp3lame"
1339
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1340
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1341
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1342
libopenjpeg_decoder_deps="libopenjpeg"
1343
libschroedinger_decoder_deps="libschroedinger"
1344
libschroedinger_encoder_deps="libschroedinger"
1345
libspeex_decoder_deps="libspeex"
1346
libtheora_encoder_deps="libtheora"
1347
libvorbis_encoder_deps="libvorbis"
1348
libvpx_decoder_deps="libvpx"
1349
libvpx_encoder_deps="libvpx"
1350
libx264_encoder_deps="libx264"
1351
libxavs_encoder_deps="libxavs"
1352
libxvid_encoder_deps="libxvid"
1353

    
1354
# demuxers / muxers
1355
ac3_demuxer_select="ac3_parser"
1356
asf_stream_muxer_select="asf_muxer"
1357
avisynth_demuxer_deps="avisynth"
1358
dirac_demuxer_select="dirac_parser"
1359
eac3_demuxer_select="ac3_parser"
1360
flac_demuxer_select="flac_parser"
1361
ipod_muxer_select="mov_muxer"
1362
libnut_demuxer_deps="libnut"
1363
libnut_muxer_deps="libnut"
1364
matroska_audio_muxer_select="matroska_muxer"
1365
matroska_demuxer_suggest="zlib bzlib"
1366
mov_demuxer_suggest="zlib"
1367
mp3_demuxer_select="mpegaudio_parser"
1368
mp4_muxer_select="mov_muxer"
1369
mpegtsraw_demuxer_select="mpegts_demuxer"
1370
mxf_d10_muxer_select="mxf_muxer"
1371
ogg_demuxer_select="golomb"
1372
psp_muxer_select="mov_muxer"
1373
rtp_demuxer_select="sdp_demuxer"
1374
rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1375
rtsp_demuxer_select="http_protocol rtpdec"
1376
rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1377
sap_demuxer_select="sdp_demuxer"
1378
sap_muxer_select="rtp_muxer rtp_protocol"
1379
sdp_demuxer_select="rtpdec"
1380
spdif_muxer_select="aac_parser"
1381
tg2_muxer_select="mov_muxer"
1382
tgp_muxer_select="mov_muxer"
1383
w64_demuxer_deps="wav_demuxer"
1384

    
1385
# indevs / outdevs
1386
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1387
alsa_outdev_deps="alsa_asoundlib_h"
1388
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1389
dv1394_indev_deps="dv1394 dv_demuxer"
1390
jack_indev_deps="jack_jack_h"
1391
libdc1394_indev_deps="libdc1394"
1392
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1393
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1394
v4l_indev_deps="linux_videodev_h"
1395
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1396
vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1397
vfwcap_indev_extralibs="-lavicap32"
1398
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1399
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1400

    
1401
# protocols
1402
gopher_protocol_deps="network"
1403
http_protocol_deps="network"
1404
http_protocol_select="tcp_protocol"
1405
mmsh_protocol_select="http_protocol"
1406
mmst_protocol_deps="network"
1407
rtmp_protocol_select="tcp_protocol"
1408
rtp_protocol_select="udp_protocol"
1409
tcp_protocol_deps="network"
1410
udp_protocol_deps="network"
1411

    
1412
# filters
1413
blackframe_filter_deps="gpl"
1414
cropdetect_filter_deps="gpl"
1415
frei0r_filter_deps="frei0r dlopen strtok_r"
1416
frei0r_src_filter_deps="frei0r dlopen strtok_r"
1417
hqdn3d_filter_deps="gpl"
1418
mp_filter_deps="gpl"
1419
scale_filter_deps="swscale"
1420
ocv_filter_deps="libopencv"
1421
yadif_filter_deps="gpl"
1422

    
1423
# libraries
1424
avdevice_deps="avcodec avformat"
1425
avformat_deps="avcodec"
1426

    
1427
# programs
1428
ffmpeg_deps="avcodec avformat swscale"
1429
ffmpeg_select="buffer_filter"
1430
ffplay_deps="avcodec avformat swscale sdl"
1431
ffplay_select="rdft"
1432
ffprobe_deps="avcodec avformat"
1433
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1434
ffserver_extralibs='$ldl'
1435

    
1436
doc_deps="texi2html"
1437

    
1438
# tests
1439

    
1440
test_deps(){
1441
    suf1=$1
1442
    suf2=$2
1443
    shift 2
1444
    for v; do
1445
        dep=${v%=*}
1446
        tests=${v#*=}
1447
        for name in ${tests}; do
1448
            eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1449
        done
1450
    done
1451
}
1452

    
1453
set_ne_test_deps(){
1454
    eval ${1}_be_test_deps="bigendian"
1455
    eval ${1}_le_test_deps="!bigendian"
1456
}
1457

    
1458
test_deps _encoder _decoder                                             \
1459
    adpcm_g726=g726                                                     \
1460
    adpcm_ima_qt                                                        \
1461
    adpcm_ima_wav                                                       \
1462
    adpcm_ms                                                            \
1463
    adpcm_swf                                                           \
1464
    adpcm_yamaha=adpcm_yam                                              \
1465
    alac                                                                \
1466
    asv1                                                                \
1467
    asv2                                                                \
1468
    bmp                                                                 \
1469
    dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1470
    dvvideo="dv dv50"                                                   \
1471
    ffv1                                                                \
1472
    flac                                                                \
1473
    flashsv                                                             \
1474
    flv                                                                 \
1475
    gif                                                                 \
1476
    h261                                                                \
1477
    h263="h263 h263p"                                                   \
1478
    huffyuv                                                             \
1479
    jpegls                                                              \
1480
    mjpeg="jpg mjpeg ljpeg"                                             \
1481
    mp2                                                                 \
1482
    mpeg1video="mpeg mpeg1b"                                            \
1483
    mpeg2video="mpeg2 mpeg2thread"                                      \
1484
    mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1485
    msmpeg4v3=msmpeg4                                                   \
1486
    msmpeg4v2                                                           \
1487
    pbm=pbmpipe                                                         \
1488
    pcx                                                                 \
1489
    pgm="pgm pgmpipe"                                                   \
1490
    png                                                                 \
1491
    ppm="ppm ppmpipe"                                                   \
1492
    rawvideo="rgb yuv"                                                  \
1493
    roq                                                                 \
1494
    rv10                                                                \
1495
    rv20                                                                \
1496
    sgi                                                                 \
1497
    snow="snow snowll"                                                  \
1498
    svq1                                                                \
1499
    targa=tga                                                           \
1500
    tiff                                                                \
1501
    wmav1                                                               \
1502
    wmav2                                                               \
1503
    wmv1                                                                \
1504
    wmv2                                                                \
1505

    
1506
test_deps _muxer _demuxer                                               \
1507
    aiff                                                                \
1508
    pcm_alaw=alaw                                                       \
1509
    asf                                                                 \
1510
    au                                                                  \
1511
    avi                                                                 \
1512
    dv=dv_fmt                                                           \
1513
    ffm                                                                 \
1514
    flv=flv_fmt                                                         \
1515
    gxf                                                                 \
1516
    matroska=mkv                                                        \
1517
    mmf                                                                 \
1518
    mov                                                                 \
1519
    pcm_mulaw=mulaw                                                     \
1520
    mxf                                                                 \
1521
    nut                                                                 \
1522
    ogg                                                                 \
1523
    rawvideo=pixfmt                                                     \
1524
    rm                                                                  \
1525
    swf                                                                 \
1526
    mpegts=ts                                                           \
1527
    voc                                                                 \
1528
    wav                                                                 \
1529
    yuv4mpegpipe=yuv4mpeg                                               \
1530

    
1531
ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1532
mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1533

    
1534
set_ne_test_deps pixdesc
1535
set_ne_test_deps pixfmts_copy
1536
set_ne_test_deps pixfmts_crop
1537
set_ne_test_deps pixfmts_hflip
1538
set_ne_test_deps pixfmts_null
1539
set_ne_test_deps pixfmts_pad
1540
set_ne_test_deps pixfmts_scale
1541
set_ne_test_deps pixfmts_vflip
1542

    
1543
# default parameters
1544

    
1545
logfile="config.log"
1546

    
1547
# installation paths
1548
prefix_default="/usr/local"
1549
bindir_default='${prefix}/bin'
1550
datadir_default='${prefix}/share/ffmpeg'
1551
incdir_default='${prefix}/include'
1552
libdir_default='${prefix}/lib'
1553
mandir_default='${prefix}/share/man'
1554
shlibdir_default="$libdir_default"
1555

    
1556
# toolchain
1557
ar_default="ar"
1558
cc_default="gcc"
1559
cc_version=\"unknown\"
1560
host_cc_default="gcc"
1561
ln_s="ln -sf"
1562
nm_default="nm"
1563
objformat="elf"
1564
ranlib="ranlib"
1565
strip_default="strip"
1566
yasmexe="yasm"
1567
nogas=":"
1568

    
1569
nm_opts='-g'
1570

    
1571
# machine
1572
arch_default=$(uname -m)
1573
cpu="generic"
1574

    
1575
# OS
1576
target_os_default=$(tolower $(uname -s))
1577
host_os=$target_os_default
1578

    
1579
# configurable options
1580
enable avcodec
1581
enable avcore
1582
enable avdevice
1583
enable avfilter
1584
enable avformat
1585
enable avutil
1586
enable asm
1587
enable debug
1588
enable doc
1589
enable fastdiv
1590
enable ffmpeg
1591
enable ffplay
1592
enable ffprobe
1593
enable ffserver
1594
enable mpegaudio_hp
1595
enable network
1596
enable optimizations
1597
enable protocols
1598
enable static
1599
enable stripping
1600
enable swscale
1601
enable swscale_alpha
1602

    
1603
# build settings
1604
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1605
FFSERVERLDFLAGS=-Wl,-E
1606
LIBPREF="lib"
1607
LIBSUF=".a"
1608
FULLNAME='$(NAME)$(BUILDSUF)'
1609
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1610
SLIBPREF="lib"
1611
SLIBSUF=".so"
1612
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1613
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1614
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1615
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1616

    
1617
CC_O='-o $@'
1618

    
1619
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1620
host_libs='-lm'
1621

    
1622
target_path='$(CURDIR)'
1623

    
1624
# since the object filename is not given with the -MM flag, the compiler
1625
# is only able to print the basename, and we must add the path ourselves
1626
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1627
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1628

    
1629
# find source path
1630
source_path="$(dirname "$0")"
1631
enable source_path_used
1632
if test -f configure; then
1633
    source_path="$(pwd)"
1634
    disable source_path_used
1635
else
1636
    source_path="$(cd "$source_path"; pwd)"
1637
    echo "$source_path" | grep -q '[[:blank:]]' &&
1638
        die "Out of tree builds are impossible with whitespace in source path."
1639
    test -e "$source_path/config.h" &&
1640
        die "Out of tree builds are impossible with config.h in source dir."
1641
fi
1642

    
1643
for v in "$@"; do
1644
    r=${v#*=}
1645
    l=${v%"$r"}
1646
    r=$(sh_quote "$r")
1647
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1648
done
1649

    
1650
find_things(){
1651
    thing=$1
1652
    pattern=$2
1653
    file=$source_path/$3
1654
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1655
}
1656

    
1657
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1658
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1659
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1660
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1661
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1662
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1663
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1664
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1665
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1666
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1667
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1668

    
1669
find_tests(){
1670
    map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1671
}
1672

    
1673
ACODEC_TESTS=$(find_tests acodec)
1674
VCODEC_TESTS=$(find_tests vsynth1)
1675
LAVF_TESTS=$(find_tests lavf)
1676
LAVFI_TESTS=$(find_tests lavfi)
1677
SEEK_TESTS=$(find_tests seek seek_)
1678

    
1679
pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1680

    
1681
for n in $COMPONENT_LIST; do
1682
    v=$(toupper ${n%s})_LIST
1683
    eval enable \$$v
1684
    eval ${n}_if_any="\$$v"
1685
done
1686

    
1687
enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1688

    
1689
die_unknown(){
1690
    echo "Unknown option \"$1\"."
1691
    echo "See $0 --help for available options."
1692
    exit 1
1693
}
1694

    
1695
show_list() {
1696
    suffix=_$1
1697
    shift
1698
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1699
    exit 0
1700
}
1701

    
1702
for opt do
1703
    optval="${opt#*=}"
1704
    case "$opt" in
1705
    --extra-ldflags=*) add_ldflags $optval
1706
    ;;
1707
    --extra-libs=*) add_extralibs $optval
1708
    ;;
1709
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1710
    ;;
1711
    --enable-debug=*) debuglevel="$optval"
1712
    ;;
1713
    --disable-everything)
1714
    map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1715
    ;;
1716
    --enable-*=*|--disable-*=*)
1717
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1718
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1719
    eval list=\$$(toupper $thing)_LIST
1720
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1721
    $action $(filter "$name" $list)
1722
    ;;
1723
    --enable-?*|--disable-?*)
1724
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1725
    if is_in $option $COMPONENT_LIST; then
1726
        test $action = disable && action=unset
1727
        eval $action \$$(toupper ${option%s})_LIST
1728
    elif is_in $option $CMDLINE_SELECT; then
1729
        $action $option
1730
    else
1731
        die_unknown $opt
1732
    fi
1733
    ;;
1734
    --list-*)
1735
        NAME="${opt#--list-}"
1736
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1737
        NAME=${NAME%s}
1738
        eval show_list $NAME \$$(toupper $NAME)_LIST
1739
    ;;
1740
    --help|-h) show_help
1741
    ;;
1742
    *)
1743
    optname="${opt%%=*}"
1744
    optname="${optname#--}"
1745
    optname=$(echo "$optname" | sed 's/-/_/g')
1746
    if is_in $optname $CMDLINE_SET; then
1747
        eval $optname='$optval'
1748
    elif is_in $optname $CMDLINE_APPEND; then
1749
        append $optname "$optval"
1750
    else
1751
         die_unknown $opt
1752
    fi
1753
    ;;
1754
    esac
1755
done
1756

    
1757
disabled logging && logfile=/dev/null
1758

    
1759
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1760
set >> $logfile
1761

    
1762
test -n "$cross_prefix" && enable cross_compile
1763

    
1764
if enabled cross_compile; then
1765
    test -n "$arch" && test -n "$target_os" ||
1766
        die "Must specify target arch and OS when cross-compiling"
1767
fi
1768

    
1769
set_default arch target_os
1770

    
1771
ar_default="${cross_prefix}${ar_default}"
1772
cc_default="${cross_prefix}${cc_default}"
1773
nm_default="${cross_prefix}${nm_default}"
1774
ranlib="${cross_prefix}${ranlib}"
1775
strip_default="${cross_prefix}${strip_default}"
1776

    
1777
sysinclude_default="${sysroot}/usr/include"
1778

    
1779
set_default cc nm strip sysinclude
1780
enabled cross_compile || host_cc_default=$cc
1781
set_default host_cc
1782

    
1783
exesuf() {
1784
    case $1 in
1785
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1786
    esac
1787
}
1788

    
1789
EXESUF=$(exesuf $target_os)
1790
HOSTEXESUF=$(exesuf $host_os)
1791

    
1792
# set temporary file name
1793
: ${TMPDIR:=$TEMPDIR}
1794
: ${TMPDIR:=$TMP}
1795
: ${TMPDIR:=/tmp}
1796

    
1797
if ! check_cmd mktemp -u; then
1798
    # simple replacement for missing mktemp
1799
    # NOT SAFE FOR GENERAL USE
1800
    mktemp(){
1801
        echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1802
    }
1803
fi
1804

    
1805
tmpfile(){
1806
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1807
        (set -C; exec > $tmp) 2>/dev/null ||
1808
        die "Unable to create temporary file in $TMPDIR."
1809
    append TMPFILES $tmp
1810
    eval $1=$tmp
1811
}
1812

    
1813
trap 'rm -f -- $TMPFILES' EXIT
1814
trap exit HUP INT TERM
1815

    
1816
tmpfile TMPC  .c
1817
tmpfile TMPE  $EXESUF
1818
tmpfile TMPH  .h
1819
tmpfile TMPO  .o
1820
tmpfile TMPS  .S
1821
tmpfile TMPV  .ver
1822
tmpfile TMPSH .sh
1823
tmpfile TMPASM .asm
1824

    
1825
unset -f mktemp
1826

    
1827
chmod +x $TMPE
1828

    
1829
# make sure we can execute files in $TMPDIR
1830
cat > $TMPSH 2>> $logfile <<EOF
1831
#! /bin/sh
1832
EOF
1833
chmod +x $TMPSH >> $logfile 2>&1
1834
if ! $TMPSH >> $logfile 2>&1; then
1835
    cat <<EOF
1836
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1837
variable to another directory and make sure that it is not mounted noexec.
1838
EOF
1839
    die "Sanity test failed."
1840
fi
1841

    
1842
filter_cflags=echo
1843
filter_cppflags=echo
1844
filter_asflags=echo
1845

    
1846
if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1847
    cc_type=llvm_gcc
1848
    cc_version=__VERSION__
1849
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1850
    cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1851
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1852
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1853
    speed_cflags='-O3'
1854
    size_cflags='-Os'
1855
elif $cc -v 2>&1 | grep -qi ^gcc; then
1856
    cc_type=gcc
1857
    cc_version=__VERSION__
1858
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1859
    cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1860
    if ! $cc -dumpversion | grep -q '^2\.'; then
1861
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1862
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1863
    fi
1864
    speed_cflags='-O3'
1865
    size_cflags='-Os'
1866
elif $cc --version 2>/dev/null | grep -q Intel; then
1867
    cc_type=icc
1868
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1869
    cc_ident=$($cc --version | head -n1)
1870
    icc_version=$($cc -dumpversion)
1871
    CC_DEPFLAGS='-MMD'
1872
    AS_DEPFLAGS='-MMD'
1873
    speed_cflags='-O3'
1874
    size_cflags='-Os'
1875
    noopt_cflags='-O1'
1876
elif $cc -v 2>&1 | grep -q xlc; then
1877
    cc_type=xlc
1878
    cc_version="AV_STRINGIFY(__IBMC__)"
1879
    cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1880
    speed_cflags='-O5'
1881
    size_cflags='-O5 -qcompact'
1882
elif $cc -V 2>/dev/null | grep -q Compaq; then
1883
    cc_type=ccc
1884
    cc_version="AV_STRINGIFY(__DECC_VER)"
1885
    cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1886
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1887
    debuglevel=3
1888
    add_ldflags -Wl,-z,now # calls to libots crash without this
1889
    speed_cflags='-fast'
1890
    size_cflags='-O1'
1891
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1892
    test -d "$sysroot" || die "No valid sysroot specified."
1893
    cc_type=armcc
1894
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1895
    cc_ident=$($cc --vsn | head -n1)
1896
    armcc_conf="$PWD/armcc.conf"
1897
    $cc --arm_linux_configure                 \
1898
        --arm_linux_config_file="$armcc_conf" \
1899
        --configure_sysroot="$sysroot"        \
1900
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1901
        die "Error creating armcc configuration file."
1902
    $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1903
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1904
    as_default="${cross_prefix}gcc"
1905
    CC_DEPFLAGS='-MMD'
1906
    AS_DEPFLAGS='-MMD'
1907
    speed_cflags='-O3'
1908
    size_cflags='-Os'
1909
elif $cc -version 2>/dev/null | grep -q TMS470; then
1910
    cc_type=tms470
1911
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1912
    cc_ident=$($cc -version | head -n1 | tr -s ' ')
1913
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1914
    CC_O='-fr=$(@D)'
1915
    as_default="${cross_prefix}gcc"
1916
    ld_default="${cross_prefix}gcc"
1917
    TMPO=$(basename $TMPC .c).o
1918
    append TMPFILES $TMPO
1919
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1920
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1921
    AS_DEPFLAGS='-MMD'
1922
    speed_cflags='-O3 -mf=5'
1923
    size_cflags='-O3 -mf=2'
1924
    filter_cflags=tms470_flags
1925
    tms470_flags(){
1926
        for flag; do
1927
            case $flag in
1928
                -march=*|-mcpu=*)
1929
                    case "${flag#*=}" in
1930
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1931
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1932
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1933
                        armv6*|arm11*)          echo -mv=6   ;;
1934
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1935
                                                echo -mv=5e  ;;
1936
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1937
                    esac
1938
                    ;;
1939
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1940
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1941
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1942
                -msoft-float)   echo --float_support=vfplib       ;;
1943
                -O[0-3]|-mf=*)  echo $flag                        ;;
1944
                -g)             echo -g -mn                       ;;
1945
                -pds=*)         echo $flag                        ;;
1946
            esac
1947
        done
1948
    }
1949
elif $cc -v 2>&1 | grep -q clang; then
1950
    cc_type=clang
1951
    $cc -dM -E $TMPC | grep -q __clang_version__ &&
1952
        cc_version=__clang_version__ || cc_version=__VERSION__
1953
    cc_ident=$($cc --version | head -n1)
1954
    CC_DEPFLAGS='-MMD'
1955
    AS_DEPFLAGS='-MMD'
1956
    speed_cflags='-O3'
1957
    size_cflags='-Os'
1958
elif $cc -V 2>&1 | grep -q Sun; then
1959
    cc_type=suncc
1960
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1961
    cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1962
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1963
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1964
    speed_cflags='-O5'
1965
    size_cflags='-O5 -xspace'
1966
    filter_cflags=suncc_flags
1967
    suncc_flags(){
1968
        for flag; do
1969
            case $flag in
1970
                -march=*|-mcpu=*)
1971
                    case "${flag#*=}" in
1972
                        native)                   echo -xtarget=native       ;;
1973
                        v9|niagara)               echo -xarch=sparc          ;;
1974
                        ultrasparc)               echo -xarch=sparcvis       ;;
1975
                        ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
1976
                        i586|pentium)             echo -xchip=pentium        ;;
1977
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1978
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1979
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1980
                        pentium4*)          echo -xtarget=pentium4           ;;
1981
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1982
                        *-sse3)             echo -xarch=sse3                 ;;
1983
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1984
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1985
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1986
                        k8|opteron|athlon64|athlon-fx)
1987
                                                  echo -xarch=sse2a          ;;
1988
                        athlon*)                  echo -xarch=pentium_proa   ;;
1989
                    esac
1990
                    ;;
1991
                -std=c99)             echo -xc99              ;;
1992
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1993
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1994
                -W*,*)                echo $flag              ;;
1995
                -f*-*|-W*)                                    ;;
1996
                *)                    echo $flag              ;;
1997
            esac
1998
        done
1999
    }
2000
elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2001
    cc_type=pathscale
2002
    cc_version=__PATHSCALE__
2003
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2004
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2005
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2006
    speed_cflags='-O2'
2007
    size_cflags='-Os'
2008
elif $cc -v 2>&1 | grep -q Open64; then
2009
    cc_type=open64
2010
    cc_version=__OPEN64__
2011
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2012
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2013
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2014
    speed_cflags='-O2'
2015
    size_cflags='-Os'
2016
fi
2017

    
2018
test -n "$cc_type" && enable $cc_type ||
2019
    warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2020

    
2021
: ${as_default:=$cc}
2022
: ${dep_cc_default:=$cc}
2023
: ${ld_default:=$cc}
2024
set_default ar as dep_cc ld
2025

    
2026
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2027
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2028

    
2029
add_cflags $extra_cflags
2030
add_asflags $extra_cflags
2031

    
2032
if test -n "$sysroot"; then
2033
    case "$cc_type" in
2034
        gcc|llvm_gcc)
2035
            add_cppflags --sysroot="$sysroot"
2036
            add_ldflags --sysroot="$sysroot"
2037
        ;;
2038
        tms470)
2039
            add_cppflags -I"$sysinclude"
2040
            add_ldflags  --sysroot="$sysroot"
2041
        ;;
2042
        clang)
2043
            add_cppflags -isysroot "$sysroot"
2044
            add_ldflags -isysroot "$sysroot"
2045
        ;;
2046
    esac
2047
fi
2048

    
2049
if test "$cpu" = host; then
2050
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2051

    
2052
    case "$cc_type" in
2053
        gcc|llvm_gcc)
2054
            check_native(){
2055
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2056
                sed -n "/$1=/{
2057
                            s/.*$1=\\([^ ]*\\).*/\\1/
2058
                            p
2059
                            q
2060
                        }" $TMPE
2061
            }
2062
            cpu=$(check_native -march || check_native -mcpu)
2063
        ;;
2064
    esac
2065

    
2066
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2067
fi
2068

    
2069
# Deal with common $arch aliases
2070
case "$arch" in
2071
    arm*)
2072
        arch="arm"
2073
    ;;
2074
    mips|mipsel|IP*)
2075
        arch="mips"
2076
    ;;
2077
    mips64*)
2078
        arch="mips"
2079
        subarch="mips64"
2080
    ;;
2081
    parisc|hppa)
2082
        arch="parisc"
2083
    ;;
2084
    parisc64|hppa64)
2085
        arch="parisc"
2086
        subarch="parisc64"
2087
    ;;
2088
    "Power Macintosh"|ppc|powerpc)
2089
        arch="ppc"
2090
    ;;
2091
    ppc64|powerpc64)
2092
        arch="ppc"
2093
        subarch="ppc64"
2094
    ;;
2095
    s390|s390x)
2096
        arch="s390"
2097
    ;;
2098
    sh4|sh)
2099
        arch="sh4"
2100
    ;;
2101
    sun4u|sparc64)
2102
        arch="sparc"
2103
        subarch="sparc64"
2104
    ;;
2105
    i[3-6]86|i86pc|BePC|x86_64|amd64)
2106
        arch="x86"
2107
    ;;
2108
esac
2109

    
2110
is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2111
enable $arch
2112

    
2113
# Add processor-specific flags
2114
if test "$cpu" = generic; then
2115
    : do nothing
2116
elif enabled ppc; then
2117

    
2118
    case $(tolower $cpu) in
2119
        601|ppc601|powerpc601)
2120
            cpuflags="-mcpu=601"
2121
            disable altivec
2122
        ;;
2123
        603*|ppc603*|powerpc603*)
2124
            cpuflags="-mcpu=603"
2125
            disable altivec
2126
        ;;
2127
        604*|ppc604*|powerpc604*)
2128
            cpuflags="-mcpu=604"
2129
            disable altivec
2130
        ;;
2131
        g3|75*|ppc75*|powerpc75*)
2132
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2133
            disable altivec
2134
        ;;
2135
        g4|745*|ppc745*|powerpc745*)
2136
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2137
        ;;
2138
        74*|ppc74*|powerpc74*)
2139
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2140
        ;;
2141
        g5|970|ppc970|powerpc970|power4*)
2142
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2143
        ;;
2144
        cell)
2145
            cpuflags="-mcpu=cell"
2146
            enable ldbrx
2147
        ;;
2148
        e500v2)
2149
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2150
            disable altivec
2151
        ;;
2152
        e500)
2153
            cpuflags="-mcpu=8540 -mhard-float"
2154
            disable altivec
2155
        ;;
2156
    esac
2157

    
2158
elif enabled x86; then
2159

    
2160
    case $cpu in
2161
        i[345]86|pentium)
2162
            cpuflags="-march=$cpu"
2163
            disable mmx
2164
        ;;
2165
        # targets that do NOT support conditional mov (cmov)
2166
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2167
            cpuflags="-march=$cpu"
2168
            disable cmov
2169
        ;;
2170
        # targets that do support conditional mov (cmov)
2171
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2172
            cpuflags="-march=$cpu"
2173
            enable cmov
2174
            enable fast_cmov
2175
        ;;
2176
        # targets that do support conditional mov but on which it's slow
2177
        pentium4|pentium4m|prescott|nocona)
2178
            cpuflags="-march=$cpu"
2179
            enable cmov
2180
            disable fast_cmov
2181
        ;;
2182
    esac
2183

    
2184
elif enabled sparc; then
2185

    
2186
    case $cpu in
2187
        niagara)
2188
            cpuflags="-mcpu=$cpu"
2189
            disable vis
2190
        ;;
2191
        sparc64)
2192
            cpuflags="-mcpu=v9"
2193
        ;;
2194
    esac
2195

    
2196
elif enabled arm; then
2197

    
2198
    case $cpu in
2199
        armv*)
2200
            cpuflags="-march=$cpu"
2201
            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2202
        ;;
2203
        *)
2204
            cpuflags="-mcpu=$cpu"
2205
            case $cpu in
2206
                cortex-a*)                               subarch=armv7a  ;;
2207
                cortex-r*)                               subarch=armv7r  ;;
2208
                cortex-m*)                               subarch=armv7m  ;;
2209
                arm11*)                                  subarch=armv6   ;;
2210
                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2211
                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2212
            esac
2213
        ;;
2214
    esac
2215

    
2216
elif enabled alpha; then
2217

    
2218
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2219

    
2220
elif enabled bfin; then
2221

    
2222
    cpuflags="-mcpu=$cpu"
2223

    
2224
elif enabled mips; then
2225

    
2226
    cpuflags="-march=$cpu"
2227

    
2228
elif enabled avr32; then
2229

    
2230
    case $cpu in
2231
        ap7[02]0[0-2])
2232
            subarch="avr32_ap"
2233
            cpuflags="-mpart=$cpu"
2234
        ;;
2235
        ap)
2236
            subarch="avr32_ap"
2237
            cpuflags="-march=$cpu"
2238
        ;;
2239
        uc3[ab]*)
2240
            subarch="avr32_uc"
2241
            cpuflags="-mcpu=$cpu"
2242
        ;;
2243
        uc)
2244
            subarch="avr32_uc"
2245
            cpuflags="-march=$cpu"
2246
        ;;
2247
    esac
2248

    
2249
fi
2250

    
2251
add_cflags $cpuflags
2252
add_asflags $cpuflags
2253

    
2254
# compiler sanity check
2255
check_exec <<EOF
2256
int main(void){ return 0; }
2257
EOF
2258
if test "$?" != 0; then
2259
    echo "$cc is unable to create an executable file."
2260
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2261
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2262
        echo "Only do this if you know what cross compiling means."
2263
    fi
2264
    die "C compiler test failed."
2265
fi
2266

    
2267
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2268
check_cflags -std=c99
2269
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2270
#include <stdlib.h>
2271
EOF
2272
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2273
#include <stdlib.h>
2274
EOF
2275

    
2276
check_host_cflags -std=c99
2277

    
2278
case "$arch" in
2279
    alpha|ia64|mips|parisc|sparc)
2280
        spic=$shared
2281
    ;;
2282
    x86)
2283
        subarch="x86_32"
2284
        check_cc <<EOF && subarch="x86_64"
2285
        int test[(int)sizeof(char*) - 7];
2286
EOF
2287
        if test "$subarch" = "x86_64"; then
2288
            spic=$shared
2289
        fi
2290
    ;;
2291
esac
2292

    
2293
enable $subarch
2294
enabled spic && enable pic
2295

    
2296
# OS specific
2297
case $target_os in
2298
    haiku)
2299
        prefix_default="/boot/common"
2300
        network_extralibs="-lnetwork"
2301
        ;;
2302
    sunos)
2303
        FFSERVERLDFLAGS=""
2304
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2305
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2306
        network_extralibs="-lsocket -lnsl"
2307
        add_cppflags -D__EXTENSIONS__
2308
        nm_opts='-P -g'
2309
        ;;
2310
    netbsd)
2311
        oss_indev_extralibs="-lossaudio"
2312
        oss_outdev_extralibs="-lossaudio"
2313
        add_cppflags -D_XOPEN_SOURCE=600
2314
        ;;
2315
    openbsd)
2316
        enable malloc_aligned
2317
        # On OpenBSD 4.5. the compiler does not use PIC unless
2318
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2319
        # however the generated executable will not do anything
2320
        # (simply quits with exit-code 1, no crash, no output).
2321
        # Thus explicitly enable PIC here.
2322
        enable pic
2323
        SHFLAGS='-shared'
2324
        oss_indev_extralibs="-lossaudio"
2325
        oss_outdev_extralibs="-lossaudio"
2326
        ;;
2327
    freebsd|dragonfly)
2328
        enable malloc_aligned
2329
        ;;
2330
    bsd/os)
2331
        add_extralibs -lpoll -lgnugetopt
2332
        strip="strip -d"
2333
        ;;
2334
    darwin)
2335
        enable malloc_aligned
2336
        gas="gas-preprocessor.pl $cc"
2337
        enabled ppc && add_asflags -force_cpusubtype_ALL
2338
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2339
        strip="${strip} -x"
2340
        add_ldflags -Wl,-dynamic,-search_paths_first
2341
        SLIBSUF=".dylib"
2342
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2343
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2344
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2345
        objformat="macho"
2346
        enabled x86_64 && objformat="macho64"
2347
        enabled_any pic shared ||
2348
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2349
        ;;
2350
    mingw32*)
2351
        if test $target_os = "mingw32ce"; then
2352
            disable network
2353
        else
2354
            target_os=mingw32
2355
        fi
2356
        LIBTARGET=i386
2357
        if enabled x86_64; then
2358
            enable malloc_aligned
2359
            LIBTARGET=x64
2360
        elif enabled arm; then
2361
            LIBTARGET=arm
2362
        fi
2363
        shlibdir_default="$bindir_default"
2364
        disable ffserver
2365
        SLIBPREF=""
2366
        SLIBSUF=".dll"
2367
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2368
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2369
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2370
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2371
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2372
            install -d "$(LIBDIR)"; \
2373
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2374
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2375
        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'
2376
        objformat="win32"
2377
        enable dos_paths
2378
        check_cflags -fno-common
2379
        check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2380
                                      || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2381
                die "ERROR: MinGW runtime version must be >= 3.15."
2382
        ;;
2383
    cygwin*)
2384
        target_os=cygwin
2385
        shlibdir_default="$bindir_default"
2386
        SLIBPREF="cyg"
2387
        SLIBSUF=".dll"
2388
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2389
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2390
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2391
        objformat="win32"
2392
        enable dos_paths
2393
        check_cflags -fno-common
2394
        ;;
2395
    *-dos|freedos|opendos)
2396
        disable ffplay ffserver
2397
        disable $INDEV_LIST $OUTDEV_LIST
2398
        network_extralibs="-lsocket"
2399
        objformat="coff"
2400
        enable dos_paths
2401
        ;;
2402
    linux)
2403
        enable dv1394
2404
        ;;
2405
    irix*)
2406
        target_os=irix
2407
        ranlib="echo ignoring ranlib"
2408
        ;;
2409
    os/2*)
2410
        strip="lxlite"
2411
        ln_s="cp -f"
2412
        add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2413
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2414
        FFSERVERLDFLAGS=""
2415
        LIBSUF="_s.a"
2416
        SLIBPREF=""
2417
        SLIBSUF=".dll"
2418
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2419
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2420
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2421
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2422
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2423
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2424
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2425
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2426
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2427
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2428
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2429
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2430
        enable dos_paths
2431
        ;;
2432
    gnu/kfreebsd)
2433
        ;;
2434
    gnu)
2435
        ;;
2436
    none)
2437
        ;;
2438
    *)
2439
        die "Unknown OS '$target_os'."
2440
        ;;
2441
esac
2442

    
2443
echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2444

    
2445
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2446

    
2447
set_default $PATHS_LIST
2448

    
2449
# we need to build at least one lib type
2450
if ! enabled_any static shared; then
2451
    cat <<EOF
2452
At least one library type must be built.
2453
Specify --enable-static to build the static libraries or --enable-shared to
2454
build the shared libraries as well. To only build the shared libraries specify
2455
--disable-static in addition to --enable-shared.
2456
EOF
2457
    exit 1;
2458
fi
2459

    
2460
disabled static && LIBNAME=""
2461

    
2462
die_license_disabled() {
2463
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2464
}
2465

    
2466
die_license_disabled gpl libx264
2467
die_license_disabled gpl libxavs
2468
die_license_disabled gpl libxvid
2469
die_license_disabled gpl postproc
2470
die_license_disabled gpl x11grab
2471

    
2472
die_license_disabled nonfree libfaac
2473

    
2474
die_license_disabled version3 libopencore_amrnb
2475
die_license_disabled version3 libopencore_amrwb
2476

    
2477
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2478

    
2479
check_deps $ARCH_EXT_LIST
2480

    
2481
disabled optimizations || check_cflags -fomit-frame-pointer
2482

    
2483
enable_pic() {
2484
    enable pic
2485
    add_cppflags -DPIC
2486
    add_cflags   -fPIC
2487
    add_asflags  -fPIC
2488
}
2489

    
2490
enabled pic && enable_pic
2491

    
2492
check_cc <<EOF || die "Symbol mangling check failed."
2493
int ff_extern;
2494
EOF
2495
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2496
extern_prefix=${sym%%ff_extern*}
2497

    
2498
check_cc <<EOF && enable inline_asm
2499
void foo(void) { __asm__ volatile ("" ::); }
2500
EOF
2501

    
2502
_restrict=
2503
for restrict_keyword in restrict __restrict__ __restrict; do
2504
    check_cc <<EOF && _restrict=$restrict_keyword && break
2505
void foo(char * $restrict_keyword p);
2506
EOF
2507
done
2508

    
2509
check_cc <<EOF && enable attribute_packed
2510
struct { int x; } __attribute__((packed)) x;
2511
EOF
2512

    
2513
check_cc <<EOF && enable attribute_may_alias
2514
union { int x; } __attribute__((may_alias)) x;
2515
EOF
2516

    
2517
check_cc <<EOF || die "endian test failed"
2518
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2519
EOF
2520
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2521

    
2522
if enabled alpha; then
2523

    
2524
    check_cflags -mieee
2525

    
2526
elif enabled arm; then
2527

    
2528
    check_cflags -marm
2529
    nogas=die
2530

    
2531
    if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2532
        enable vfp_args
2533
    elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2534
        case "${cross_prefix:-$cc}" in
2535
            *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2536
            *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2537
__asm__ (".eabi_attribute 28, 1");
2538
int main(void) { return 0; }
2539
EOF
2540
        esac
2541
        warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2542
    fi
2543

    
2544
    # We have to check if pld is a nop and disable it.
2545
    check_asm pld '"pld [r0]"'
2546

    
2547
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2548
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2549
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2550
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2551
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2552
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2553

    
2554
    enabled_all armv6t2 shared !pic && enable_pic
2555

    
2556
elif enabled mips; then
2557

    
2558
    check_asm loongson '"dmult.g $1, $2, $3"'
2559
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2560

    
2561
elif enabled ppc; then
2562

    
2563
    enable local_aligned_8 local_aligned_16
2564

    
2565
    check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2566
    check_asm ibm_asm   '"add 0, 0, 0"'
2567
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2568
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2569

    
2570
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2571
    if enabled altivec; then
2572
        nogas=warn
2573
        check_cflags -maltivec -mabi=altivec &&
2574
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2575
        check_cflags -faltivec
2576

    
2577
        # check if our compiler supports Motorola AltiVec C API
2578
        check_cc <<EOF || disable altivec
2579
$inc_altivec_h
2580
int main(void) {
2581
    vector signed int v1, v2, v3;
2582
    v1 = vec_add(v2,v3);
2583
    return 0;
2584
}
2585
EOF
2586

    
2587
        # check if our compiler supports braces for vector declarations
2588
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2589
$inc_altivec_h
2590
int main (void) { (vector int) {1}; return 0; }
2591
EOF
2592
    fi
2593

    
2594
elif enabled sparc; then
2595

    
2596
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2597
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2598

    
2599
elif enabled x86; then
2600

    
2601
    enable local_aligned_8 local_aligned_16
2602

    
2603
    # check whether EBP is available on x86
2604
    # As 'i' is stored on the stack, this program will crash
2605
    # if the base pointer is used to access it because the
2606
    # base pointer is cleared in the inline assembly code.
2607
    check_exec_crash <<EOF && enable ebp_available
2608
    volatile int i=0;
2609
    __asm__ volatile (
2610
        "xorl %%ebp, %%ebp"
2611
    ::: "%ebp");
2612
    return i;
2613
EOF
2614

    
2615
    # check whether EBX is available on x86
2616
    check_asm ebx_available '""::"b"(0)' &&
2617
        check_asm ebx_available '"":::"%ebx"'
2618

    
2619
    # check whether xmm clobbers are supported
2620
    check_asm xmm_clobbers '"":::"%xmm0"'
2621

    
2622
    # check whether more than 10 operands are supported
2623
    check_cc <<EOF && enable ten_operands
2624
int main(void) {
2625
    int x=0;
2626
    __asm__ volatile(
2627
        ""
2628
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2629
    );
2630
    return 0;
2631
}
2632
EOF
2633

    
2634
    # check whether binutils is new enough to compile SSSE3/MMX2
2635
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2636
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2637

    
2638
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2639

    
2640
    if ! disabled_any asm mmx yasm; then
2641
        if check_cmd $yasmexe --version; then
2642
            enabled x86_64 && yasm_extra="-m amd64"
2643
            yasm_debug="-g dwarf2"
2644
        elif check_cmd nasm -v; then
2645
            yasmexe=nasm
2646
            yasm_debug="-g -F dwarf"
2647
            enabled x86_64 && test "$objformat" = elf && objformat=elf64
2648
        fi
2649

    
2650
        YASMFLAGS="-f $objformat $yasm_extra"
2651
        enabled pic               && append YASMFLAGS "-DPIC"
2652
        test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2653
        case "$objformat" in
2654
            elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2655
        esac
2656

    
2657
        check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2658
            die "yasm not found, use --disable-yasm for a crippled build"
2659
    fi
2660

    
2661
    case "$cpu" in
2662
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2663
            disable fast_clz
2664
        ;;
2665
    esac
2666

    
2667
fi
2668

    
2669
if enabled asm; then
2670
    as=${gas:=$as}
2671
    check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2672
        $nogas "GNU assembler not found, install gas-preprocessor"
2673
fi
2674

    
2675
if check_func dlopen; then
2676
    ldl=
2677
elif check_func dlopen -ldl; then
2678
    ldl=-ldl
2679
fi
2680

    
2681
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2682
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2683

    
2684
check_func  fcntl
2685
check_func  fork
2686
check_func  getaddrinfo $network_extralibs
2687
check_func  gethrtime
2688
check_func  getrusage
2689
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2690
check_func  inet_aton $network_extralibs
2691
check_func  isatty
2692
check_func  ${malloc_prefix}memalign            && enable memalign
2693
check_func  mkstemp
2694
check_func  mmap
2695
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2696
check_func  setrlimit
2697
check_func  strerror_r
2698
check_func  strtok_r
2699
check_func_headers io.h setmode
2700
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2701
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2702
check_func_headers windows.h GetProcessTimes
2703
check_func_headers windows.h MapViewOfFile
2704
check_func_headers windows.h VirtualAlloc
2705

    
2706
check_header conio.h
2707
check_header dlfcn.h
2708
check_header dxva2api.h
2709
check_header malloc.h
2710
check_header poll.h
2711
check_header sys/mman.h
2712
check_header sys/resource.h
2713
check_header sys/select.h
2714
check_header termios.h
2715
check_header vdpau/vdpau.h
2716
check_header vdpau/vdpau_x11.h
2717
check_header X11/extensions/XvMClib.h
2718

    
2719
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2720

    
2721
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2722
     enabled_any $need_memalign ; then
2723
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2724
fi
2725

    
2726
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2727
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2728

    
2729
# check for some common methods of building with pthread support
2730
# do this before the optional library checks as some of them require pthreads
2731
if ! disabled pthreads && ! enabled w32threads; then
2732
    enable pthreads
2733
    if check_func pthread_create; then
2734
        :
2735
    elif check_func pthread_create -pthread; then
2736
        add_cflags -pthread
2737
        add_extralibs -pthread
2738
    elif check_func pthread_create -pthreads; then
2739
        add_cflags -pthreads
2740
        add_extralibs -pthreads
2741
    elif check_func pthread_create -lpthreadGC2; then
2742
        add_extralibs -lpthreadGC2
2743
    elif ! check_lib pthread.h pthread_create -lpthread; then
2744
        disable pthreads
2745
    fi
2746
fi
2747

    
2748
for thread in $THREADS_LIST; do
2749
    if enabled $thread; then
2750
        test -n "$thread_type" &&
2751
            die "ERROR: Only one thread type must be selected." ||
2752
            thread_type="$thread"
2753
    fi
2754
done
2755

    
2756
check_lib math.h sin -lm
2757
disabled vaapi || check_lib va/va.h vaInitialize -lva
2758

    
2759
check_mathfunc exp2
2760
check_mathfunc exp2f
2761
check_mathfunc llrint
2762
check_mathfunc llrintf
2763
check_mathfunc log2
2764
check_mathfunc log2f
2765
check_mathfunc lrint
2766
check_mathfunc lrintf
2767
check_mathfunc round
2768
check_mathfunc roundf
2769
check_mathfunc truncf
2770

    
2771
# these are off by default, so fail if requested and not available
2772
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2773
enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2774
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2775
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2776
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2777
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2778
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2779
enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2780
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2781
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2782
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2783
enabled libopencv  && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2784
                        die "ERROR: libopencv not found"; }
2785
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2786
enabled librtmp    && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2787
                        die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2788
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2789
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2790
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2791
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2792
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2793
enabled libvpx     && {
2794
    enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2795
                                die "ERROR: libvpx decoder version must be >=0.9.1"; }
2796
    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2797
                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2798
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2799
                      { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2800
                        die "ERROR: libx264 version must be >= 0.99."; }
2801
enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2802
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2803
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2804

    
2805
# libdc1394 check
2806
if enabled libdc1394; then
2807
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2808
        enable libdc1394_2; } ||
2809
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2810
        enable libdc1394_1; } ||
2811
    die "ERROR: No version of libdc1394 found "
2812
fi
2813

    
2814
SDL_CONFIG="${cross_prefix}sdl-config"
2815
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2816
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2817
    sdl_libs=$("${SDL_CONFIG}" --libs)
2818
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2819
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2820
    enable sdl &&
2821
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2822
fi
2823

    
2824
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2825

    
2826
if enabled network; then
2827
    check_type "sys/types.h sys/socket.h" socklen_t
2828
    check_type netdb.h "struct addrinfo"
2829
    check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2830
    check_type netinet/in.h "struct sockaddr_in6"
2831
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2832
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2833
    # Prefer arpa/inet.h over winsock2
2834
    if check_header arpa/inet.h ; then
2835
        check_func closesocket
2836
    elif check_header winsock2.h ; then
2837
        check_func_headers winsock2.h closesocket -lws2 && \
2838
            network_extralibs="-lws2" || \
2839
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2840
            network_extralibs="-lws2_32"; }
2841
        check_type ws2tcpip.h socklen_t
2842
        check_type ws2tcpip.h "struct addrinfo"
2843
        check_type ws2tcpip.h "struct ipv6_mreq"
2844
        check_type ws2tcpip.h "struct sockaddr_in6"
2845
        check_type ws2tcpip.h "struct sockaddr_storage"
2846
        check_struct winsock2.h "struct sockaddr" sa_len
2847
    else
2848
        disable network
2849
    fi
2850
fi
2851

    
2852
check_header linux/videodev.h
2853
check_header linux/videodev2.h
2854
check_header sys/videoio.h
2855

    
2856
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2857
# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2858
# w32api 3.12 had it defined wrong
2859
check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2860

    
2861
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2862
{ check_header dev/bktr/ioctl_meteor.h &&
2863
  check_header dev/bktr/ioctl_bt848.h; } ||
2864
{ check_header machine/ioctl_meteor.h &&
2865
  check_header machine/ioctl_bt848.h; } ||
2866
{ check_header dev/video/meteor/ioctl_meteor.h &&
2867
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2868
check_header dev/ic/bt8xx.h
2869

    
2870
check_header sys/soundcard.h
2871
check_header soundcard.h
2872

    
2873
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2874

    
2875
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2876

    
2877
enabled x11grab                         &&
2878
check_header X11/Xlib.h                 &&
2879
check_header X11/extensions/XShm.h      &&
2880
check_header X11/extensions/Xfixes.h    &&
2881
check_func XOpenDisplay -lX11           &&
2882
check_func XShmCreateImage -lX11 -lXext &&
2883
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2884

    
2885
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2886
check_cpp_condition \
2887
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2888
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2889
      disable vdpau; }
2890
fi
2891

    
2892
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2893

    
2894
# add some useful compiler flags if supported
2895
check_cflags -Wdeclaration-after-statement
2896
check_cflags -Wall
2897
check_cflags -Wno-parentheses
2898
check_cflags -Wno-switch
2899
check_cflags -Wdisabled-optimization
2900
check_cflags -Wpointer-arith
2901
check_cflags -Wredundant-decls
2902
check_cflags -Wno-pointer-sign
2903
check_cflags -Wcast-qual
2904
check_cflags -Wwrite-strings
2905
check_cflags -Wtype-limits
2906
check_cflags -Wundef
2907
check_cflags -Wmissing-prototypes
2908
enabled extra_warnings && check_cflags -Winline
2909

    
2910
# add some linker flags
2911
check_ldflags -Wl,--warn-common
2912
check_ldflags -Wl,--as-needed
2913
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)/libavcore -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2914
test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2915

    
2916
echo "X{};" > $TMPV
2917
if test_ldflags -Wl,--version-script,$TMPV; then
2918
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2919
    check_cc <<EOF && enable symver_asm_label
2920
void ff_foo(void) __asm__ ("av_foo@VERSION");
2921
void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2922
EOF
2923
    check_cc <<EOF && enable symver_gnu_asm
2924
__asm__(".symver ff_foo,av_foo@VERSION");
2925
void ff_foo(void) {}
2926
EOF
2927
fi
2928

    
2929
if enabled small; then
2930
    add_cflags $size_cflags
2931
    optimizations="small"
2932
elif enabled optimizations; then
2933
    add_cflags $speed_cflags
2934
else
2935
    add_cflags $noopt_cflags
2936
fi
2937
check_cflags -fno-math-errno
2938
check_cflags -fno-signed-zeros
2939

    
2940
if enabled icc; then
2941
    # Just warnings, no remarks
2942
    check_cflags -w1
2943
    # -wd: Disable following warnings
2944
    # 144, 167, 556: -Wno-pointer-sign
2945
    # 10006: ignoring unknown option -fno-signed-zeros
2946
    # 10148: ignoring unknown option -Wno-parentheses
2947
    # 10156: ignoring option '-W'; no argument required
2948
    check_cflags -wd144,167,556,10006,10148,10156
2949
    # 11030: Warning unknown option --as-needed
2950
    # 10156: ignoring option '-export'; no argument required
2951
    check_ldflags -wd10156,11030
2952
    # Allow to compile with optimizations
2953
    check_ldflags -march=$cpu
2954
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2955
    enable ebp_available
2956
    if enabled x86_32; then
2957
        test ${icc_version%%.*} -ge 11 && \
2958
            check_cflags -falign-stack=maintain-16-byte || \
2959
            disable aligned_stack
2960
    fi
2961
elif enabled ccc; then
2962
    # disable some annoying warnings
2963
    add_cflags -msg_disable cvtu32to64
2964
    add_cflags -msg_disable embedcomment
2965
    add_cflags -msg_disable needconstext
2966
    add_cflags -msg_disable nomainieee
2967
    add_cflags -msg_disable ptrmismatch1
2968
    add_cflags -msg_disable unreachcode
2969
elif enabled gcc; then
2970
    check_cflags -fno-tree-vectorize
2971
    check_cflags -Werror=implicit-function-declaration
2972
    check_cflags -Werror=missing-prototypes
2973
elif enabled llvm_gcc; then
2974
    check_cflags -mllvm -stack-alignment=16
2975
elif enabled clang; then
2976
    check_cflags -mllvm -stack-alignment=16
2977
    check_cflags -Qunused-arguments
2978
elif enabled armcc; then
2979
    # 2523: use of inline assembler is deprecated
2980
    add_cflags -W${armcc_opt},--diag_suppress=2523
2981
    add_cflags -W${armcc_opt},--diag_suppress=1207
2982
    add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
2983
    add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
2984
elif enabled tms470; then
2985
    add_cflags -pds=824 -pds=837
2986
fi
2987

    
2988
enabled_any $THREADS_LIST      && enable threads
2989

    
2990
check_deps $CONFIG_LIST       \
2991
           $CONFIG_EXTRA      \
2992
           $HAVE_LIST         \
2993
           $DECODER_LIST      \
2994
           $ENCODER_LIST      \
2995
           $HWACCEL_LIST      \
2996
           $PARSER_LIST       \
2997
           $BSF_LIST          \
2998
           $DEMUXER_LIST      \
2999
           $MUXER_LIST        \
3000
           $FILTER_LIST       \
3001
           $INDEV_LIST        \
3002
           $OUTDEV_LIST       \
3003
           $PROTOCOL_LIST     \
3004
           $ACODEC_TESTS      \
3005
           $VCODEC_TESTS      \
3006
           $LAVF_TESTS        \
3007
           $LAVFI_TESTS       \
3008
           $SEEK_TESTS        \
3009

    
3010
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3011

    
3012
echo "install prefix            $prefix"
3013
echo "source path               $source_path"
3014
echo "C compiler                $cc"
3015
echo "ARCH                      $arch ($cpu)"
3016
if test "$build_suffix" != ""; then
3017
    echo "build suffix              $build_suffix"
3018
fi
3019
if test "$extra_version" != ""; then
3020
    echo "version string suffix     $extra_version"
3021
fi
3022
echo "big-endian                ${bigendian-no}"
3023
echo "runtime cpu detection     ${runtime_cpudetect-no}"
3024
if enabled x86; then
3025
    echo "yasm                      ${yasm-no}"
3026
    echo "MMX enabled               ${mmx-no}"
3027
    echo "MMX2 enabled              ${mmx2-no}"
3028
    echo "3DNow! enabled            ${amd3dnow-no}"
3029
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
3030
    echo "SSE enabled               ${sse-no}"
3031
    echo "SSSE3 enabled             ${ssse3-no}"
3032
    echo "CMOV enabled              ${cmov-no}"
3033
    echo "CMOV is fast              ${fast_cmov-no}"
3034
    echo "EBX available             ${ebx_available-no}"
3035
    echo "EBP available             ${ebp_available-no}"
3036
    echo "10 operands supported     ${ten_operands-no}"
3037
fi
3038
if enabled arm; then
3039
    echo "ARMv5TE enabled           ${armv5te-no}"
3040
    echo "ARMv6 enabled             ${armv6-no}"
3041
    echo "ARMv6T2 enabled           ${armv6t2-no}"
3042
    echo "ARM VFP enabled           ${armvfp-no}"
3043
    echo "IWMMXT enabled            ${iwmmxt-no}"
3044
    echo "NEON enabled              ${neon-no}"
3045
fi
3046
if enabled mips; then
3047
    echo "MMI enabled               ${mmi-no}"
3048
fi
3049
if enabled ppc; then
3050
    echo "AltiVec enabled           ${altivec-no}"
3051
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
3052
    echo "dcbzl available           ${dcbzl-no}"
3053
fi
3054
if enabled sparc; then
3055
    echo "VIS enabled               ${vis-no}"
3056
fi
3057
echo "debug symbols             ${debug-no}"
3058
echo "strip symbols             ${stripping-no}"
3059
echo "optimizations             ${optimizations-no}"
3060
echo "static                    ${static-no}"
3061
echo "shared                    ${shared-no}"
3062
echo "postprocessing support    ${postproc-no}"
3063
echo "new filter support        ${avfilter-no}"
3064
echo "network support           ${network-no}"
3065
echo "threading support         ${thread_type-no}"
3066
echo "SDL support               ${sdl-no}"
3067
echo "Sun medialib support      ${mlib-no}"
3068
echo "AVISynth enabled          ${avisynth-no}"
3069
echo "frei0r enabled            ${frei0r-no}"
3070
echo "libdc1394 support         ${libdc1394-no}"
3071
echo "libdirac enabled          ${libdirac-no}"
3072
echo "libfaac enabled           ${libfaac-no}"
3073
echo "libgsm enabled            ${libgsm-no}"
3074
echo "libmp3lame enabled        ${libmp3lame-no}"
3075
echo "libnut enabled            ${libnut-no}"
3076
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3077
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3078
echo "libopencv support         ${libopencv-no}"
3079
echo "libopenjpeg enabled       ${libopenjpeg-no}"
3080
echo "librtmp enabled           ${librtmp-no}"
3081
echo "libschroedinger enabled   ${libschroedinger-no}"
3082
echo "libspeex enabled          ${libspeex-no}"
3083
echo "libtheora enabled         ${libtheora-no}"
3084
echo "libvorbis enabled         ${libvorbis-no}"
3085
echo "libvpx enabled            ${libvpx-no}"
3086
echo "libx264 enabled           ${libx264-no}"
3087
echo "libxavs enabled           ${libxavs-no}"
3088
echo "libxvid enabled           ${libxvid-no}"
3089
echo "zlib enabled              ${zlib-no}"
3090
echo "bzlib enabled             ${bzlib-no}"
3091
echo
3092

    
3093
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3094
    echo "Enabled ${type}s:"
3095
    eval list=\$$(toupper $type)_LIST
3096
    print_enabled '_*' $list | sort | pr -3 -t
3097
    echo
3098
done
3099

    
3100
license="LGPL version 2.1 or later"
3101
if enabled nonfree; then
3102
    license="nonfree and unredistributable"
3103
elif enabled gplv3; then
3104
    license="GPL version 3 or later"
3105
elif enabled lgplv3; then
3106
    license="LGPL version 3 or later"
3107
elif enabled gpl; then
3108
    license="GPL version 2 or later"
3109
fi
3110

    
3111
echo "License: $license"
3112

    
3113
echo "Creating config.mak and config.h..."
3114

    
3115
# build tree in object directory if source path is different from current one
3116
if enabled source_path_used; then
3117
    DIRS="
3118
        doc
3119
        libavcodec
3120
        libavcodec/$arch
3121
        libavcore
3122
        libavdevice
3123
        libavfilter
3124
        libavfilter/$arch
3125
        libavfilter/libmpcodecs
3126
        libavfilter/libmpcodecs/libvo
3127
        libavformat
3128
        libavutil
3129
        libavutil/$arch
3130
        libpostproc
3131
        libswscale
3132
        libswscale/$arch
3133
        tests
3134
        tools
3135
    "
3136
    FILES="
3137
        Makefile
3138
        common.mak
3139
        subdir.mak
3140
        doc/texi2pod.pl
3141
        libavcodec/Makefile
3142
        libavcodec/${arch}/Makefile
3143
        libavcore/Makefile
3144
        libavdevice/Makefile
3145
        libavfilter/Makefile
3146
        libavfilter/${arch}/Makefile
3147
        libavformat/Makefile
3148
        libavutil/Makefile
3149
        libpostproc/Makefile
3150
        libswscale/Makefile
3151
    "
3152
    map 'mkdir -p $v' $DIRS;
3153
    map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3154
fi
3155

    
3156
enabled stripping || strip="echo skipping strip"
3157

    
3158
config_files="$TMPH config.mak"
3159

    
3160
cat > config.mak <<EOF
3161
# Automatically generated by configure - do not modify!
3162
ifndef FFMPEG_CONFIG_MAK
3163
FFMPEG_CONFIG_MAK=1
3164
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3165
prefix=$prefix
3166
LIBDIR=\$(DESTDIR)$libdir
3167
SHLIBDIR=\$(DESTDIR)$shlibdir
3168
INCDIR=\$(DESTDIR)$incdir
3169
BINDIR=\$(DESTDIR)$bindir
3170
DATADIR=\$(DESTDIR)$datadir
3171
MANDIR=\$(DESTDIR)$mandir
3172
SRC_PATH="$source_path"
3173
SRC_PATH_BARE=$source_path
3174
BUILD_ROOT="$PWD"
3175
CC_IDENT=$cc_ident
3176
ARCH=$arch
3177
CC=$cc
3178
AS=$as
3179
LD=$ld
3180
DEPCC=$dep_cc
3181
YASM=$yasmexe
3182
YASMDEP=$yasmexe
3183
AR=$ar
3184
RANLIB=$ranlib
3185
CP=cp -p
3186
LN_S=$ln_s
3187
STRIP=$strip
3188
CPPFLAGS=$CPPFLAGS
3189
CFLAGS=$CFLAGS
3190
ASFLAGS=$ASFLAGS
3191
CC_O=$CC_O
3192
LDFLAGS=$LDFLAGS
3193
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3194
SHFLAGS=$SHFLAGS
3195
YASMFLAGS=$YASMFLAGS
3196
BUILDSUF=$build_suffix
3197
FULLNAME=$FULLNAME
3198
LIBPREF=$LIBPREF
3199
LIBSUF=$LIBSUF
3200
LIBNAME=$LIBNAME
3201
SLIBPREF=$SLIBPREF
3202
SLIBSUF=$SLIBSUF
3203
EXESUF=$EXESUF
3204
EXTRA_VERSION=$extra_version
3205
DEPFLAGS=$DEPFLAGS
3206
CCDEP=$CCDEP
3207
ASDEP=$ASDEP
3208
CC_DEPFLAGS=$CC_DEPFLAGS
3209
AS_DEPFLAGS=$AS_DEPFLAGS
3210
HOSTCC=$host_cc
3211
HOSTCFLAGS=$host_cflags
3212
HOSTEXESUF=$HOSTEXESUF
3213
HOSTLDFLAGS=$host_ldflags
3214
HOSTLIBS=$host_libs
3215
TARGET_EXEC=$target_exec
3216
TARGET_PATH=$target_path
3217
SDL_LIBS=$sdl_libs
3218
SDL_CFLAGS=$sdl_cflags
3219
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3220
EXTRALIBS=$extralibs
3221
INSTALL=install
3222
LIBTARGET=${LIBTARGET}
3223
SLIBNAME=${SLIBNAME}
3224
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3225
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3226
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3227
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3228
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3229
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3230
SAMPLES=$samples
3231
EOF
3232

    
3233
get_version(){
3234
    name=$1
3235
    file=$source_path/$2
3236
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3237
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3238
    lcname=$(tolower $name)
3239
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3240
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3241
}
3242

    
3243
get_version LIBSWSCALE  libswscale/swscale.h
3244
get_version LIBPOSTPROC libpostproc/postprocess.h
3245
get_version LIBAVCODEC  libavcodec/avcodec.h
3246
get_version LIBAVCORE   libavcore/avcore.h
3247
get_version LIBAVDEVICE libavdevice/avdevice.h
3248
get_version LIBAVFORMAT libavformat/avformat.h
3249
get_version LIBAVUTIL   libavutil/avutil.h
3250
get_version LIBAVFILTER libavfilter/avfilter.h
3251

    
3252
cat > $TMPH <<EOF
3253
/* Automatically generated by configure - do not modify! */
3254
#ifndef FFMPEG_CONFIG_H
3255
#define FFMPEG_CONFIG_H
3256
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3257
#define FFMPEG_LICENSE "$(c_escape $license)"
3258
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3259
#define CC_TYPE "$cc_type"
3260
#define CC_VERSION $cc_version
3261
#define restrict $_restrict
3262
#define EXTERN_PREFIX "${extern_prefix}"
3263
#define EXTERN_ASM ${extern_prefix}
3264
#define SLIBSUF "$SLIBSUF"
3265
EOF
3266

    
3267
test -n "$malloc_prefix" &&
3268
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3269

    
3270
if enabled small || disabled optimizations; then
3271
    echo "#undef  av_always_inline"  >> $TMPH
3272
    if enabled small; then
3273
        echo "#define av_always_inline inline"  >> $TMPH
3274
    else
3275
        echo "#define av_always_inline av_unused"  >> $TMPH
3276
    fi
3277
fi
3278

    
3279
if enabled yasm; then
3280
    append config_files $TMPASM
3281
    printf '' >$TMPASM
3282
fi
3283

    
3284
print_config ARCH_   "$config_files" $ARCH_LIST
3285
print_config HAVE_   "$config_files" $HAVE_LIST
3286
print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3287
                                     $CONFIG_EXTRA      \
3288
                                     $DECODER_LIST      \
3289
                                     $ENCODER_LIST      \
3290
                                     $HWACCEL_LIST      \
3291
                                     $PARSER_LIST       \
3292
                                     $BSF_LIST          \
3293
                                     $DEMUXER_LIST      \
3294
                                     $MUXER_LIST        \
3295
                                     $FILTER_LIST       \
3296
                                     $PROTOCOL_LIST     \
3297
                                     $INDEV_LIST        \
3298
                                     $OUTDEV_LIST       \
3299

    
3300
cat >>config.mak <<EOF
3301
ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3302
VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3303
LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3304
LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3305
SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3306
EOF
3307

    
3308
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3309
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3310

    
3311
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3312
cp_if_changed $TMPH config.h
3313
touch .config
3314

    
3315
enabled yasm && cp_if_changed $TMPASM config.asm
3316

    
3317
cat > $TMPH <<EOF
3318
/* Generated by ffconf */
3319
#ifndef AVUTIL_AVCONFIG_H
3320
#define AVUTIL_AVCONFIG_H
3321
EOF
3322

    
3323
print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3324

    
3325
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3326

    
3327
cp_if_changed $TMPH libavutil/avconfig.h
3328

    
3329
test -n "$WARNINGS" && printf "\n$WARNINGS"
3330

    
3331
# build pkg-config files
3332

    
3333
pkgconfig_generate(){
3334
name=$1
3335
shortname=${name#lib}${build_suffix}
3336
comment=$2
3337
version=$3
3338
libs=$4
3339
requires=$5
3340
enabled ${name#lib} || return 0
3341
cat <<EOF > $name/$name.pc
3342
prefix=$prefix
3343
exec_prefix=\${prefix}
3344
libdir=$libdir
3345
includedir=$incdir
3346

    
3347
Name: $name
3348
Description: $comment
3349
Version: $version
3350
Requires: $(enabled shared || echo $requires)
3351
Requires.private: $(enabled shared && echo $requires)
3352
Conflicts:
3353
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3354
Libs.private: $(enabled shared && echo $libs)
3355
Cflags: -I\${includedir}
3356
EOF
3357
cat <<EOF > $name/$name-uninstalled.pc
3358
prefix=
3359
exec_prefix=
3360
libdir=\${pcfiledir}
3361
includedir=${source_path}
3362

    
3363
Name: $name
3364
Description: $comment
3365
Version: $version
3366
Requires: $requires
3367
Conflicts:
3368
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3369
Cflags: -I\${includedir}
3370
EOF
3371
}
3372

    
3373
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3374
pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3375
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3376
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3377
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3378
pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3379
pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3380
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"