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

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

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

    
62
Standard options:
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  --help                   print this message
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  --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
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  --disable-ffplay         disable ffplay build
85
  --disable-ffprobe        disable ffprobe build
86
  --disable-ffserver       disable ffserver build
87
  --disable-avdevice       disable libavdevice build
88
  --disable-avcodec        disable libavcodec build
89
  --disable-avformat       disable libavformat build
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  --disable-swscale        disable libswscale build
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  --enable-postproc        enable GPLed postprocessing support [no]
92
  --disable-avfilter       disable video filter support [no]
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  --disable-pthreads       disable pthreads [auto]
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  --enable-w32threads      use Win32 threads [no]
95
  --enable-x11grab         enable X11 grabbing [no]
96
  --disable-network        disable network support [no]
97
  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
98
  --enable-gray            enable full grayscale support (slower color)
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  --disable-swscale-alpha  disable alpha channel support in swscale
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  --disable-fastdiv        disable table-based division
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  --enable-small           optimize for size instead of speed
102
  --disable-aandct         disable AAN DCT code
103
  --disable-dct            disable DCT code
104
  --disable-fft            disable FFT code
105
  --disable-golomb         disable Golomb code
106
  --disable-huffman        disable Huffman code
107
  --disable-lpc            disable LPC code
108
  --disable-mdct           disable MDCT code
109
  --disable-rdft           disable RDFT code
110
  --disable-vaapi          disable VAAPI code
111
  --disable-vdpau          disable VDPAU code
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  --disable-dxva2          disable DXVA2 code
113
  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114
  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115
  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
116
  --disable-everything     disable all components listed below
117
  --disable-encoder=NAME   disable encoder NAME
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  --enable-encoder=NAME    enable encoder NAME
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  --disable-encoders       disable all encoders
120
  --disable-decoder=NAME   disable decoder NAME
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  --enable-decoder=NAME    enable decoder NAME
122
  --disable-decoders       disable all decoders
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  --disable-hwaccel=NAME   disable hwaccel NAME
124
  --enable-hwaccel=NAME    enable hwaccel NAME
125
  --disable-hwaccels       disable all hwaccels
126
  --disable-muxer=NAME     disable muxer NAME
127
  --enable-muxer=NAME      enable muxer NAME
128
  --disable-muxers         disable all muxers
129
  --disable-demuxer=NAME   disable demuxer NAME
130
  --enable-demuxer=NAME    enable demuxer NAME
131
  --disable-demuxers       disable all demuxers
132
  --enable-parser=NAME     enable parser NAME
133
  --disable-parser=NAME    disable parser NAME
134
  --disable-parsers        disable all parsers
135
  --enable-bsf=NAME        enable bitstream filter NAME
136
  --disable-bsf=NAME       disable bitstream filter NAME
137
  --disable-bsfs           disable all bitstream filters
138
  --enable-protocol=NAME   enable protocol NAME
139
  --disable-protocol=NAME  disable protocol NAME
140
  --disable-protocols      disable all protocols
141
  --disable-indev=NAME     disable input device NAME
142
  --disable-outdev=NAME    disable output device NAME
143
  --disable-indevs         disable input devices
144
  --disable-outdevs        disable output devices
145
  --disable-devices        disable all devices
146
  --enable-filter=NAME     enable filter NAME
147
  --disable-filter=NAME    disable filter NAME
148
  --disable-filters        disable all filters
149
  --list-decoders          show all available decoders
150
  --list-encoders          show all available encoders
151
  --list-hwaccels          show all available hardware accelerators
152
  --list-muxers            show all available muxers
153
  --list-demuxers          show all available demuxers
154
  --list-parsers           show all available parsers
155
  --list-protocols         show all available protocols
156
  --list-bsfs              show all available bitstream filters
157
  --list-indevs            show all available input devices
158
  --list-outdevs           show all available output devices
159
  --list-filters           show all available filters
160

    
161
External library support:
162
  --enable-avisynth        enable reading of AVISynth script files [no]
163
  --enable-bzlib           enable bzlib [autodetect]
164
  --enable-frei0r          enable frei0r video filtering
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  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
166
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
167
  --enable-libopencv       enable video filtering via libopencv [no]
168
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
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                           and libraw1394 [no]
170
  --enable-libdirac        enable Dirac support via libdirac [no]
171
  --enable-libfaac         enable FAAC support via libfaac [no]
172
  --enable-libgsm          enable GSM support via libgsm [no]
173
  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
174
  --enable-libnut          enable NUT (de)muxing via libnut,
175
                           native (de)muxer exists [no]
176
  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
177
  --enable-librtmp         enable RTMP[E] support via librtmp [no]
178
  --enable-libschroedinger enable Dirac support via libschroedinger [no]
179
  --enable-libspeex        enable Speex decoding via libspeex [no]
180
  --enable-libtheora       enable Theora encoding via libtheora [no]
181
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
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                           native implementation exists [no]
183
  --enable-libvpx          enable VP8 support via libvpx [no]
184
  --enable-libx264         enable H.264 encoding via x264 [no]
185
  --enable-libxavs         enable AVS encoding via xavs [no]
186
  --enable-libxvid         enable Xvid encoding via xvidcore,
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                           native MPEG-4/Xvid encoder exists [no]
188
  --enable-mlib            enable Sun medialib [no]
189
  --enable-zlib            enable zlib [autodetect]
190

    
191
Advanced options (experts only):
192
  --source-path=PATH       path to source code [$source_path]
193
  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
194
  --enable-cross-compile   assume a cross-compiler is used
195
  --sysroot=PATH           root of cross-build tree
196
  --sysinclude=PATH        location of cross-build system headers
197
  --target-os=OS           compiler targets OS [$target_os]
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  --target-exec=CMD        command to run executables on target
199
  --target-path=DIR        path to view of build directory on target
200
  --nm=NM                  use nm tool
201
  --ar=AR                  use archive tool AR [$ar_default]
202
  --as=AS                  use assembler AS [$as_default]
203
  --cc=CC                  use C compiler CC [$cc_default]
204
  --ld=LD                  use linker LD
205
  --host-cc=HOSTCC         use host C compiler HOSTCC
206
  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
207
  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
208
  --host-libs=HLIBS        use libs HLIBS when linking for host
209
  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
210
  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
211
  --extra-libs=ELIBS       add ELIBS [$ELIBS]
212
  --extra-version=STRING   version string suffix []
213
  --build-suffix=SUFFIX    library name suffix []
214
  --arch=ARCH              select architecture [$arch]
215
  --cpu=CPU                select the minimum required CPU (affects
216
                           instruction selection, may crash on older CPUs)
217
  --disable-asm            disable all assembler optimizations
218
  --disable-altivec        disable AltiVec optimizations
219
  --disable-amd3dnow       disable 3DNow! optimizations
220
  --disable-amd3dnowext    disable 3DNow! extended optimizations
221
  --disable-mmx            disable MMX optimizations
222
  --disable-mmx2           disable MMX2 optimizations
223
  --disable-sse            disable SSE optimizations
224
  --disable-ssse3          disable SSSE3 optimizations
225
  --disable-avx            disable AVX 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, if not set use
247
                           \$FATE_SAMPLES at make invocation time.
248

    
249
NOTE: Object files are built at the place where configure is launched.
250
EOF
251
  exit 0
252
}
253

    
254
quotes='""'
255

    
256
log(){
257
    echo "$@" >> $logfile
258
}
259

    
260
log_file(){
261
    log BEGIN $1
262
    pr -n -t $1 >> $logfile
263
    log END $1
264
}
265

    
266
echolog(){
267
    log "$@"
268
    echo "$@"
269
}
270

    
271
warn(){
272
    log "WARNING: $*"
273
    WARNINGS="${WARNINGS}WARNING: $*\n"
274
}
275

    
276
die(){
277
    echolog "$@"
278
    cat <<EOF
279

    
280
If you think configure made a mistake, make sure you are using the latest
281
version from Git.  If the latest version fails, report the problem to the
282
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
283
EOF
284
    if disabled logging; then
285
        cat <<EOF
286
Rerun configure with logging enabled (do not use --disable-logging), and
287
include the log this produces with your report.
288
EOF
289
    else
290
cat <<EOF
291
Include the log file "$logfile" produced by configure as this will help
292
solving the problem.
293
EOF
294
    fi
295
    exit 1
296
}
297

    
298
# Avoid locale weirdness, besides we really just want to translate ASCII.
299
toupper(){
300
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
301
}
302

    
303
tolower(){
304
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
305
}
306

    
307
c_escape(){
308
    echo "$*" | sed 's/["\\]/\\\0/g'
309
}
310

    
311
sh_quote(){
312
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
313
    test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
314
    echo "$v"
315
}
316

    
317
cleanws(){
318
    echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
319
}
320

    
321
filter(){
322
    pat=$1
323
    shift
324
    for v; do
325
        eval "case $v in $pat) echo $v ;; esac"
326
    done
327
}
328

    
329
filter_out(){
330
    pat=$1
331
    shift
332
    for v; do
333
        eval "case $v in $pat) ;; *) echo $v ;; esac"
334
    done
335
}
336

    
337
map(){
338
    m=$1
339
    shift
340
    for v; do eval $m; done
341
}
342

    
343
set_all(){
344
    value=$1
345
    shift
346
    for var in $*; do
347
        eval $var=$value
348
    done
349
}
350

    
351
set_weak(){
352
    value=$1
353
    shift
354
    for var; do
355
        eval : \${$var:=$value}
356
    done
357
}
358

    
359
set_safe(){
360
    var=$1
361
    shift
362
    eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
363
}
364

    
365
get_safe(){
366
    eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
367
}
368

    
369
pushvar(){
370
    for var in $*; do
371
        eval level=\${${var}_level:=0}
372
        eval ${var}_${level}="\$$var"
373
        eval ${var}_level=$(($level+1))
374
    done
375
}
376

    
377
popvar(){
378
    for var in $*; do
379
        eval level=\${${var}_level:-0}
380
        test $level = 0 && continue
381
        eval level=$(($level-1))
382
        eval $var="\${${var}_${level}}"
383
        eval ${var}_level=$level
384
        eval unset ${var}_${level}
385
    done
386
}
387

    
388
enable(){
389
    set_all yes $*
390
}
391

    
392
disable(){
393
    set_all no $*
394
}
395

    
396
enable_weak(){
397
    set_weak yes $*
398
}
399

    
400
disable_weak(){
401
    set_weak no $*
402
}
403

    
404
enable_safe(){
405
    for var; do
406
        enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
407
    done
408
}
409

    
410
disable_safe(){
411
    for var; do
412
        disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
413
    done
414
}
415

    
416
do_enable_deep(){
417
    for var; do
418
        enabled $var && continue
419
        eval sel="\$${var}_select"
420
        eval sgs="\$${var}_suggest"
421
        pushvar var sgs
422
        enable_deep $sel
423
        popvar sgs
424
        enable_deep_weak $sgs
425
        popvar var
426
    done
427
}
428

    
429
enable_deep(){
430
    do_enable_deep $*
431
    enable $*
432
}
433

    
434
enable_deep_weak(){
435
    do_enable_deep $*
436
    enable_weak $*
437
}
438

    
439
enabled(){
440
    test "${1#!}" = "$1" && op== || op=!=
441
    eval test "x\$${1#!}" $op "xyes"
442
}
443

    
444
disabled(){
445
    test "${1#!}" = "$1" && op== || op=!=
446
    eval test "x\$${1#!}" $op "xno"
447
}
448

    
449
enabled_all(){
450
    for opt; do
451
        enabled $opt || return 1
452
    done
453
}
454

    
455
disabled_all(){
456
    for opt; do
457
        disabled $opt || return 1
458
    done
459
}
460

    
461
enabled_any(){
462
    for opt; do
463
        enabled $opt && return 0
464
    done
465
}
466

    
467
disabled_any(){
468
    for opt; do
469
        disabled $opt && return 0
470
    done
471
    return 1
472
}
473

    
474
set_default(){
475
    for opt; do
476
        eval : \${$opt:=\$${opt}_default}
477
    done
478
}
479

    
480
is_in(){
481
    value=$1
482
    shift
483
    for var in $*; do
484
        [ $var = $value ] && return 0
485
    done
486
    return 1
487
}
488

    
489
check_deps(){
490
    for cfg; do
491
        cfg="${cfg#!}"
492
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
493
        disabled ${cfg}_checking && continue
494
        enable ${cfg}_checking
495

    
496
        eval dep_all="\$${cfg}_deps"
497
        eval dep_any="\$${cfg}_deps_any"
498
        eval dep_sel="\$${cfg}_select"
499
        eval dep_sgs="\$${cfg}_suggest"
500
        eval dep_ifa="\$${cfg}_if"
501
        eval dep_ifn="\$${cfg}_if_any"
502

    
503
        pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
504
        check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
505
        popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
506

    
507
        [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
508
        [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
509
        enabled_all  $dep_all || disable $cfg
510
        enabled_any  $dep_any || disable $cfg
511
        disabled_any $dep_sel && disable $cfg
512

    
513
        if enabled $cfg; then
514
            eval dep_extralibs="\$${cfg}_extralibs"
515
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
516
            enable_deep $dep_sel
517
            enable_deep_weak $dep_sgs
518
        fi
519

    
520
        disable ${cfg}_checking
521
    done
522
}
523

    
524
print_config_h(){
525
    enabled $1 && v=1 || v=0
526
    echo "#define $2 $v"
527
}
528

    
529
print_config_mak(){
530
    enabled $1 && v= || v=!
531
    echo "$v$2=yes"
532
}
533

    
534
print_config_asm(){
535
    enabled $1 && echo "%define $2"
536
}
537

    
538
print_config(){
539
    pfx=$1
540
    files=$2
541
    shift 2
542
    for cfg; do
543
        ucname="$(toupper $cfg)"
544
        for f in $files; do
545
            "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
546
        done
547
    done
548
}
549

    
550
print_enabled(){
551
    test "$1" = -n && end=" " && shift || end="\n"
552
    suf=$1
553
    shift
554
    for v; do
555
        enabled $v && printf "%s$end" ${v%$suf};
556
    done
557
}
558

    
559
append(){
560
    var=$1
561
    shift
562
    eval "$var=\"\$$var $*\""
563
}
564

    
565
prepend(){
566
    var=$1
567
    shift
568
    eval "$var=\"$* \$$var\""
569
}
570

    
571
add_cppflags(){
572
    append CPPFLAGS $($filter_cppflags "$@")
573
}
574

    
575
add_cflags(){
576
    append CFLAGS $($filter_cflags "$@")
577
}
578

    
579
add_asflags(){
580
    append ASFLAGS $($filter_asflags "$@")
581
}
582

    
583
add_ldflags(){
584
    append LDFLAGS "$@"
585
}
586

    
587
add_extralibs(){
588
    prepend extralibs "$@"
589
}
590

    
591
check_cmd(){
592
    log "$@"
593
    "$@" >> $logfile 2>&1
594
}
595

    
596
check_cc(){
597
    log check_cc "$@"
598
    cat > $TMPC
599
    log_file $TMPC
600
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
601
}
602

    
603
check_cpp(){
604
    log check_cpp "$@"
605
    cat > $TMPC
606
    log_file $TMPC
607
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
608
}
609

    
610
check_as(){
611
    log check_as "$@"
612
    cat > $TMPC
613
    log_file $TMPC
614
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
615
}
616

    
617
check_asm(){
618
    log check_asm "$@"
619
    name="$1"
620
    code="$2"
621
    shift 2
622
    disable $name
623
    check_as "$@" <<EOF && enable $name
624
void foo(void){ __asm__ volatile($code); }
625
EOF
626
}
627

    
628
check_yasm(){
629
    log check_yasm "$@"
630
    echo "$1" > $TMPS
631
    log_file $TMPS
632
    shift 1
633
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
634
}
635

    
636
check_ld(){
637
    log check_ld "$@"
638
    flags=''
639
    libs=''
640
    for f; do
641
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
642
    done
643
    check_cc $($filter_cflags $flags) || return
644
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
645
}
646

    
647
check_cppflags(){
648
    log check_cppflags "$@"
649
    set -- $($filter_cppflags "$@")
650
    check_cc "$@" <<EOF && append CPPFLAGS "$@"
651
int x;
652
EOF
653
}
654

    
655
check_cflags(){
656
    log check_cflags "$@"
657
    set -- $($filter_cflags "$@")
658
    check_cc "$@" <<EOF && append CFLAGS "$@"
659
int x;
660
EOF
661
}
662

    
663
test_ldflags(){
664
    log test_ldflags "$@"
665
    check_ld "$@" <<EOF
666
int main(void){ return 0; }
667
EOF
668
}
669

    
670
check_ldflags(){
671
    log check_ldflags "$@"
672
    test_ldflags "$@" && add_ldflags "$@"
673
}
674

    
675
check_header(){
676
    log check_header "$@"
677
    header=$1
678
    shift
679
    disable_safe $header
680
    check_cpp "$@" <<EOF && enable_safe $header
681
#include <$header>
682
int x;
683
EOF
684
}
685

    
686
check_func(){
687
    log check_func "$@"
688
    func=$1
689
    shift
690
    disable $func
691
    check_ld "$@" <<EOF && enable $func
692
extern int $func();
693
int main(void){ $func(); }
694
EOF
695
}
696

    
697
check_mathfunc(){
698
    log check_mathfunc "$@"
699
    func=$1
700
    shift
701
    disable $func
702
    check_ld "$@" <<EOF && enable $func
703
#include <math.h>
704
float foo(float f) { return $func(f); }
705
int main(void){ return 0; }
706
EOF
707
}
708

    
709
check_func_headers(){
710
    log check_func_headers "$@"
711
    headers=$1
712
    funcs=$2
713
    shift 2
714
    {
715
        for hdr in $headers; do
716
            echo "#include <$hdr>"
717
        done
718
        for func in $funcs; do
719
            echo "long check_$func(void) { return (long) $func; }"
720
        done
721
        echo "int main(void) { return 0; }"
722
    } | check_ld "$@" && enable $funcs && enable_safe $headers
723
}
724

    
725
check_cpp_condition(){
726
    log check_cpp_condition "$@"
727
    header=$1
728
    condition=$2
729
    shift 2
730
    check_cpp $($filter_cppflags "$@") <<EOF
731
#include <$header>
732
#if !($condition)
733
#error "unsatisfied condition: $condition"
734
#endif
735
EOF
736
}
737

    
738
check_lib(){
739
    log check_lib "$@"
740
    header="$1"
741
    func="$2"
742
    shift 2
743
    check_header $header && check_func $func "$@" && add_extralibs "$@"
744
}
745

    
746
check_lib2(){
747
    log check_lib2 "$@"
748
    headers="$1"
749
    funcs="$2"
750
    shift 2
751
    check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
752
}
753

    
754
check_pkg_config(){
755
    log check_pkg_config "$@"
756
    pkg="$1"
757
    headers="$2"
758
    funcs="$3"
759
    shift 3
760
    $pkg_config --exists $pkg || return
761
    pkg_cflags=$($pkg_config --cflags $pkg)
762
    pkg_libs=$($pkg_config --libs $pkg)
763
    check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
764
        set_safe ${pkg}_cflags $pkg_cflags   &&
765
        set_safe ${pkg}_libs   $pkg_libs
766
}
767

    
768
check_exec(){
769
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
770
}
771

    
772
check_exec_crash(){
773
    code=$(cat)
774

    
775
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
776
    # are safe but may not be available everywhere.  Thus we use
777
    # raise(SIGTERM) instead.  The check is run in a subshell so we
778
    # can redirect the "Terminated" message from the shell.  SIGBUS
779
    # is not defined by standard C so it is used conditionally.
780

    
781
    (check_exec "$@") >> $logfile 2>&1 <<EOF
782
#include <signal.h>
783
static void sighandler(int sig){
784
    raise(SIGTERM);
785
}
786
int main(void){
787
    signal(SIGILL, sighandler);
788
    signal(SIGFPE, sighandler);
789
    signal(SIGSEGV, sighandler);
790
#ifdef SIGBUS
791
    signal(SIGBUS, sighandler);
792
#endif
793
    { $code }
794
}
795
EOF
796
}
797

    
798
check_type(){
799
    log check_type "$@"
800
    headers=$1
801
    type=$2
802
    shift 2
803
    disable_safe "$type"
804
    incs=""
805
    for hdr in $headers; do
806
        incs="$incs
807
#include <$hdr>"
808
    done
809
    check_cc "$@" <<EOF && enable_safe "$type"
810
$incs
811
$type v;
812
EOF
813
}
814

    
815
check_struct(){
816
    log check_type "$@"
817
    headers=$1
818
    struct=$2
819
    member=$3
820
    shift 3
821
    disable_safe "${struct}_${member}"
822
    incs=""
823
    for hdr in $headers; do
824
        incs="$incs
825
#include <$hdr>"
826
    done
827
    check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
828
$incs
829
const void *p = &(($struct *)0)->$member;
830
EOF
831
}
832

    
833
require(){
834
    name="$1"
835
    header="$2"
836
    func="$3"
837
    shift 3
838
    check_lib $header $func "$@" || die "ERROR: $name not found"
839
}
840

    
841
require2(){
842
    name="$1"
843
    headers="$2"
844
    func="$3"
845
    shift 3
846
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
847
}
848

    
849
require_pkg_config(){
850
    pkg="$1"
851
    check_pkg_config "$@" || die "ERROR: $pkg not found"
852
    add_cflags    $(get_safe ${pkg}_cflags)
853
    add_extralibs $(get_safe ${pkg}_libs)
854
}
855

    
856
check_host_cc(){
857
    log check_host_cc "$@"
858
    cat > $TMPC
859
    log_file $TMPC
860
    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
861
}
862

    
863
check_host_cflags(){
864
    log check_host_cflags "$@"
865
    check_host_cc "$@" <<EOF && append host_cflags "$@"
866
int x;
867
EOF
868
}
869

    
870
apply(){
871
    file=$1
872
    shift
873
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
874
}
875

    
876
cp_if_changed(){
877
    cmp -s "$1" "$2" &&
878
        echo "$2 is unchanged" ||
879
        cp -f "$1" "$2"
880
}
881

    
882
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
883
# system-dependent things.
884

    
885
COMPONENT_LIST="
886
    bsfs
887
    decoders
888
    demuxers
889
    encoders
890
    filters
891
    hwaccels
892
    indevs
893
    muxers
894
    outdevs
895
    parsers
896
    protocols
897
"
898

    
899
CONFIG_LIST="
900
    $COMPONENT_LIST
901
    aandct
902
    avcodec
903
    avdevice
904
    avfilter
905
    avformat
906
    avisynth
907
    bzlib
908
    dct
909
    doc
910
    dwt
911
    dxva2
912
    fastdiv
913
    ffmpeg
914
    ffplay
915
    ffprobe
916
    ffserver
917
    fft
918
    frei0r
919
    golomb
920
    gpl
921
    gray
922
    h264dsp
923
    h264pred
924
    hardcoded_tables
925
    huffman
926
    libdc1394
927
    libdirac
928
    libfaac
929
    libgsm
930
    libmp3lame
931
    libnut
932
    libopencore_amrnb
933
    libopencore_amrwb
934
    libopencv
935
    libopenjpeg
936
    librtmp
937
    libschroedinger
938
    libspeex
939
    libtheora
940
    libvorbis
941
    libvpx
942
    libx264
943
    libxavs
944
    libxvid
945
    lpc
946
    lsp
947
    mdct
948
    memalign_hack
949
    mlib
950
    mpegaudio_hp
951
    network
952
    nonfree
953
    pic
954
    postproc
955
    rdft
956
    rtpdec
957
    runtime_cpudetect
958
    shared
959
    small
960
    sram
961
    static
962
    swscale
963
    swscale_alpha
964
    vaapi
965
    vdpau
966
    version3
967
    x11grab
968
    zlib
969
"
970

    
971
THREADS_LIST='
972
    pthreads
973
    w32threads
974
'
975

    
976
ARCH_LIST='
977
    alpha
978
    arm
979
    avr32
980
    avr32_ap
981
    avr32_uc
982
    bfin
983
    ia64
984
    m68k
985
    mips
986
    mips64
987
    parisc
988
    ppc
989
    ppc64
990
    s390
991
    sh4
992
    sparc
993
    sparc64
994
    tomi
995
    x86
996
    x86_32
997
    x86_64
998
'
999

    
1000
ARCH_EXT_LIST='
1001
    altivec
1002
    amd3dnow
1003
    amd3dnowext
1004
    armv5te
1005
    armv6
1006
    armv6t2
1007
    armvfp
1008
    avx
1009
    iwmmxt
1010
    mmi
1011
    mmx
1012
    mmx2
1013
    neon
1014
    ppc4xx
1015
    sse
1016
    ssse3
1017
    vis
1018
'
1019

    
1020
HAVE_LIST_PUB='
1021
    bigendian
1022
    fast_unaligned
1023
'
1024

    
1025
HAVE_LIST="
1026
    $ARCH_EXT_LIST
1027
    $HAVE_LIST_PUB
1028
    $THREADS_LIST
1029
    aligned_stack
1030
    alsa_asoundlib_h
1031
    altivec_h
1032
    arpa_inet_h
1033
    attribute_may_alias
1034
    attribute_packed
1035
    bswap
1036
    closesocket
1037
    cmov
1038
    conio_h
1039
    dcbzl
1040
    dev_bktr_ioctl_bt848_h
1041
    dev_bktr_ioctl_meteor_h
1042
    dev_ic_bt8xx_h
1043
    dev_video_meteor_ioctl_meteor_h
1044
    dev_video_bktr_ioctl_bt848_h
1045
    dlfcn_h
1046
    dlopen
1047
    dos_paths
1048
    ebp_available
1049
    ebx_available
1050
    exp2
1051
    exp2f
1052
    fast_64bit
1053
    fast_clz
1054
    fast_cmov
1055
    fcntl
1056
    fork
1057
    getaddrinfo
1058
    gethrtime
1059
    GetProcessMemoryInfo
1060
    GetProcessTimes
1061
    getrusage
1062
    gnu_as
1063
    struct_rusage_ru_maxrss
1064
    ibm_asm
1065
    inet_aton
1066
    inline_asm
1067
    isatty
1068
    ldbrx
1069
    libdc1394_1
1070
    libdc1394_2
1071
    llrint
1072
    llrintf
1073
    local_aligned_16
1074
    local_aligned_8
1075
    log2
1076
    log2f
1077
    loongson
1078
    lrint
1079
    lrintf
1080
    lzo1x_999_compress
1081
    machine_ioctl_bt848_h
1082
    machine_ioctl_meteor_h
1083
    malloc_h
1084
    MapViewOfFile
1085
    memalign
1086
    mkstemp
1087
    mmap
1088
    pld
1089
    posix_memalign
1090
    round
1091
    roundf
1092
    sdl
1093
    sdl_video_size
1094
    setmode
1095
    socklen_t
1096
    soundcard_h
1097
    poll_h
1098
    setrlimit
1099
    strerror_r
1100
    strtok_r
1101
    struct_addrinfo
1102
    struct_ipv6_mreq
1103
    struct_sockaddr_in6
1104
    struct_sockaddr_sa_len
1105
    struct_sockaddr_storage
1106
    symver
1107
    symver_gnu_asm
1108
    symver_asm_label
1109
    sys_mman_h
1110
    sys_resource_h
1111
    sys_select_h
1112
    sys_soundcard_h
1113
    sys_videoio_h
1114
    ten_operands
1115
    termios_h
1116
    threads
1117
    truncf
1118
    vfp_args
1119
    VirtualAlloc
1120
    winsock2_h
1121
    xform_asm
1122
    xmm_clobbers
1123
    yasm
1124
"
1125

    
1126
# options emitted with CONFIG_ prefix but not available on command line
1127
CONFIG_EXTRA="
1128
    avutil
1129
    gplv3
1130
    lgplv3
1131
"
1132

    
1133
CMDLINE_SELECT="
1134
    $ARCH_EXT_LIST
1135
    $CONFIG_LIST
1136
    $THREADS_LIST
1137
    asm
1138
    cross_compile
1139
    debug
1140
    extra_warnings
1141
    logging
1142
    optimizations
1143
    stripping
1144
    symver
1145
    yasm
1146
"
1147

    
1148
PATHS_LIST='
1149
    bindir
1150
    datadir
1151
    incdir
1152
    libdir
1153
    mandir
1154
    prefix
1155
    shlibdir
1156
'
1157

    
1158
CMDLINE_SET="
1159
    $PATHS_LIST
1160
    ar
1161
    arch
1162
    as
1163
    build_suffix
1164
    cc
1165
    cpu
1166
    cross_prefix
1167
    dep_cc
1168
    extra_version
1169
    host_cc
1170
    host_cflags
1171
    host_ldflags
1172
    host_libs
1173
    host_os
1174
    ld
1175
    logfile
1176
    malloc_prefix
1177
    nm
1178
    pkg_config
1179
    samples
1180
    source_path
1181
    strip
1182
    sysinclude
1183
    sysroot
1184
    target_exec
1185
    target_os
1186
    target_path
1187
"
1188

    
1189
CMDLINE_APPEND="
1190
    extra_cflags
1191
"
1192

    
1193
# code dependency declarations
1194

    
1195
# architecture extensions
1196

    
1197
armv5te_deps="arm"
1198
armv6_deps="arm"
1199
armv6t2_deps="arm"
1200
armvfp_deps="arm"
1201
iwmmxt_deps="arm"
1202
neon_deps="arm"
1203

    
1204
mmi_deps="mips"
1205

    
1206
altivec_deps="ppc"
1207
ppc4xx_deps="ppc"
1208

    
1209
vis_deps="sparc"
1210

    
1211
x86_64_suggest="cmov fast_cmov"
1212
amd3dnow_deps="mmx"
1213
amd3dnowext_deps="amd3dnow"
1214
mmx_deps="x86"
1215
mmx2_deps="mmx"
1216
sse_deps="mmx"
1217
ssse3_deps="sse"
1218
avx_deps="ssse3"
1219

    
1220
aligned_stack_if_any="ppc x86"
1221
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1222
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1223
fast_unaligned_if_any="armv6 ppc x86"
1224

    
1225
need_memalign="altivec neon sse"
1226
inline_asm_deps="!tms470"
1227

    
1228
symver_if_any="symver_asm_label symver_gnu_asm"
1229

    
1230
# subsystems
1231
dct_select="rdft"
1232
mdct_select="fft"
1233
rdft_select="fft"
1234

    
1235
# decoders / encoders / hardware accelerators
1236
aac_decoder_select="mdct rdft"
1237
aac_encoder_select="mdct"
1238
aac_latm_decoder_select="aac_decoder aac_latm_parser"
1239
ac3_decoder_select="mdct ac3_parser"
1240
ac3_encoder_select="mdct"
1241
alac_encoder_select="lpc"
1242
amrnb_decoder_select="lsp"
1243
amrwb_decoder_select="lsp"
1244
atrac1_decoder_select="mdct"
1245
atrac3_decoder_select="mdct"
1246
binkaudio_dct_decoder_select="mdct rdft dct"
1247
binkaudio_rdft_decoder_select="mdct rdft"
1248
cavs_decoder_select="golomb"
1249
cook_decoder_select="mdct"
1250
cscd_decoder_suggest="zlib"
1251
dca_decoder_select="mdct"
1252
dnxhd_encoder_select="aandct"
1253
dxa_decoder_select="zlib"
1254
eac3_decoder_select="ac3_decoder"
1255
eamad_decoder_select="aandct"
1256
eatgq_decoder_select="aandct"
1257
eatqi_decoder_select="aandct"
1258
ffv1_decoder_select="golomb"
1259
flac_decoder_select="golomb"
1260
flac_encoder_select="golomb lpc"
1261
flashsv_decoder_select="zlib"
1262
flashsv_encoder_select="zlib"
1263
flv_decoder_select="h263_decoder"
1264
flv_encoder_select="h263_encoder"
1265
fraps_decoder_select="huffman"
1266
h261_encoder_select="aandct"
1267
h263_decoder_select="h263_parser"
1268
h263_encoder_select="aandct"
1269
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1270
h263i_decoder_select="h263_decoder"
1271
h263p_encoder_select="h263_encoder"
1272
h264_decoder_select="golomb h264dsp h264pred"
1273
h264_dxva2_hwaccel_deps="dxva2api_h"
1274
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1275
h264_vaapi_hwaccel_select="vaapi"
1276
h264_vdpau_decoder_select="vdpau h264_decoder"
1277
imc_decoder_select="fft mdct"
1278
jpegls_decoder_select="golomb"
1279
jpegls_encoder_select="golomb"
1280
ljpeg_encoder_select="aandct"
1281
loco_decoder_select="golomb"
1282
mjpeg_encoder_select="aandct"
1283
mlp_decoder_select="mlp_parser"
1284
mp1float_decoder_select="dct"
1285
mp2float_decoder_select="dct"
1286
mp3adufloat_decoder_select="dct"
1287
mp3float_decoder_select="dct"
1288
mp3on4float_decoder_select="dct"
1289
mpeg1video_encoder_select="aandct"
1290
mpeg2video_encoder_select="aandct"
1291
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1292
mpeg4_encoder_select="h263_encoder"
1293
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1294
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1295
mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1296
mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1297
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1298
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1299
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1300
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1301
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1302
msmpeg4v1_decoder_select="h263_decoder"
1303
msmpeg4v1_encoder_select="h263_encoder"
1304
msmpeg4v2_decoder_select="h263_decoder"
1305
msmpeg4v2_encoder_select="h263_encoder"
1306
msmpeg4v3_decoder_select="h263_decoder"
1307
msmpeg4v3_encoder_select="h263_encoder"
1308
nellymoser_decoder_select="mdct"
1309
nellymoser_encoder_select="mdct"
1310
png_decoder_select="zlib"
1311
png_encoder_select="zlib"
1312
qcelp_decoder_select="lsp"
1313
qdm2_decoder_select="mdct rdft"
1314
ra_144_encoder_select="lpc"
1315
rv10_decoder_select="h263_decoder"
1316
rv10_encoder_select="h263_encoder"
1317
rv20_decoder_select="h263_decoder"
1318
rv20_encoder_select="h263_encoder"
1319
rv30_decoder_select="golomb h264pred"
1320
rv40_decoder_select="golomb h264pred"
1321
shorten_decoder_select="golomb"
1322
sipr_decoder_select="lsp"
1323
snow_decoder_select="dwt"
1324
snow_encoder_select="aandct dwt"
1325
sonic_decoder_select="golomb"
1326
sonic_encoder_select="golomb"
1327
sonic_ls_encoder_select="golomb"
1328
svq1_encoder_select="aandct"
1329
svq3_decoder_select="golomb h264dsp h264pred"
1330
svq3_decoder_suggest="zlib"
1331
theora_decoder_select="vp3_decoder"
1332
tiff_decoder_suggest="zlib"
1333
tiff_encoder_suggest="zlib"
1334
truehd_decoder_select="mlp_decoder"
1335
tscc_decoder_select="zlib"
1336
twinvq_decoder_select="mdct lsp"
1337
vc1_decoder_select="h263_decoder"
1338
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1339
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1340
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1341
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1342
vorbis_decoder_select="mdct"
1343
vorbis_encoder_select="mdct"
1344
vp6_decoder_select="huffman"
1345
vp6a_decoder_select="vp6_decoder"
1346
vp6f_decoder_select="vp6_decoder"
1347
vp8_decoder_select="h264pred"
1348
wmapro_decoder_select="mdct"
1349
wmav1_decoder_select="mdct"
1350
wmav1_encoder_select="mdct"
1351
wmav2_decoder_select="mdct"
1352
wmav2_encoder_select="mdct"
1353
wmavoice_decoder_select="lsp rdft dct mdct"
1354
wmv1_decoder_select="h263_decoder"
1355
wmv1_encoder_select="h263_encoder"
1356
wmv2_decoder_select="h263_decoder"
1357
wmv2_encoder_select="h263_encoder"
1358
wmv3_decoder_select="vc1_decoder"
1359
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1360
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1361
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1362
zlib_decoder_select="zlib"
1363
zlib_encoder_select="zlib"
1364
zmbv_decoder_select="zlib"
1365
zmbv_encoder_select="zlib"
1366

    
1367
vaapi_deps="va_va_h"
1368
vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1369

    
1370
# parsers
1371
h264_parser_select="golomb h264dsp h264pred"
1372

    
1373
# external libraries
1374
libdirac_decoder_deps="libdirac !libschroedinger"
1375
libdirac_encoder_deps="libdirac"
1376
libfaac_encoder_deps="libfaac"
1377
libgsm_decoder_deps="libgsm"
1378
libgsm_encoder_deps="libgsm"
1379
libgsm_ms_decoder_deps="libgsm"
1380
libgsm_ms_encoder_deps="libgsm"
1381
libmp3lame_encoder_deps="libmp3lame"
1382
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1383
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1384
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1385
libopenjpeg_decoder_deps="libopenjpeg"
1386
libschroedinger_decoder_deps="libschroedinger"
1387
libschroedinger_encoder_deps="libschroedinger"
1388
libspeex_decoder_deps="libspeex"
1389
libtheora_encoder_deps="libtheora"
1390
libvorbis_encoder_deps="libvorbis"
1391
libvpx_decoder_deps="libvpx"
1392
libvpx_encoder_deps="libvpx"
1393
libx264_encoder_deps="libx264"
1394
libxavs_encoder_deps="libxavs"
1395
libxvid_encoder_deps="libxvid"
1396

    
1397
# demuxers / muxers
1398
ac3_demuxer_select="ac3_parser"
1399
asf_stream_muxer_select="asf_muxer"
1400
avisynth_demuxer_deps="avisynth"
1401
dirac_demuxer_select="dirac_parser"
1402
eac3_demuxer_select="ac3_parser"
1403
flac_demuxer_select="flac_parser"
1404
ipod_muxer_select="mov_muxer"
1405
libnut_demuxer_deps="libnut"
1406
libnut_muxer_deps="libnut"
1407
matroska_audio_muxer_select="matroska_muxer"
1408
matroska_demuxer_suggest="zlib bzlib"
1409
mov_demuxer_suggest="zlib"
1410
mp3_demuxer_select="mpegaudio_parser"
1411
mp4_muxer_select="mov_muxer"
1412
mpegtsraw_demuxer_select="mpegts_demuxer"
1413
mxf_d10_muxer_select="mxf_muxer"
1414
ogg_demuxer_select="golomb"
1415
psp_muxer_select="mov_muxer"
1416
rtp_demuxer_select="sdp_demuxer"
1417
rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1418
rtsp_demuxer_select="http_protocol rtpdec"
1419
rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1420
sap_demuxer_select="sdp_demuxer"
1421
sap_muxer_select="rtp_muxer rtp_protocol"
1422
sdp_demuxer_select="rtpdec"
1423
spdif_muxer_select="aac_parser"
1424
tg2_muxer_select="mov_muxer"
1425
tgp_muxer_select="mov_muxer"
1426
w64_demuxer_deps="wav_demuxer"
1427

    
1428
# indevs / outdevs
1429
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1430
alsa_outdev_deps="alsa_asoundlib_h"
1431
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1432
dv1394_indev_deps="dv1394 dv_demuxer"
1433
jack_indev_deps="jack_jack_h"
1434
libdc1394_indev_deps="libdc1394"
1435
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1436
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1437
v4l_indev_deps="linux_videodev_h"
1438
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1439
vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1440
vfwcap_indev_extralibs="-lavicap32"
1441
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1442
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1443

    
1444
# protocols
1445
gopher_protocol_deps="network"
1446
http_protocol_deps="network"
1447
http_protocol_select="tcp_protocol"
1448
mmsh_protocol_select="http_protocol"
1449
mmst_protocol_deps="network"
1450
rtmp_protocol_select="tcp_protocol"
1451
rtp_protocol_select="udp_protocol"
1452
tcp_protocol_deps="network"
1453
udp_protocol_deps="network"
1454

    
1455
# filters
1456
blackframe_filter_deps="gpl"
1457
cropdetect_filter_deps="gpl"
1458
frei0r_filter_deps="frei0r dlopen strtok_r"
1459
frei0r_src_filter_deps="frei0r dlopen strtok_r"
1460
hqdn3d_filter_deps="gpl"
1461
scale_filter_deps="swscale"
1462
ocv_filter_deps="libopencv"
1463
yadif_filter_deps="gpl"
1464

    
1465
# libraries
1466
avdevice_deps="avcodec avformat"
1467
avformat_deps="avcodec"
1468

    
1469
# programs
1470
ffmpeg_deps="avcodec avformat swscale"
1471
ffmpeg_select="buffer_filter"
1472
ffplay_deps="avcodec avformat swscale sdl"
1473
ffplay_select="rdft"
1474
ffprobe_deps="avcodec avformat"
1475
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1476
ffserver_extralibs='$ldl'
1477

    
1478
doc_deps="texi2html"
1479

    
1480
# tests
1481

    
1482
test_deps(){
1483
    suf1=$1
1484
    suf2=$2
1485
    shift 2
1486
    for v; do
1487
        dep=${v%=*}
1488
        tests=${v#*=}
1489
        for name in ${tests}; do
1490
            eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1491
        done
1492
    done
1493
}
1494

    
1495
set_ne_test_deps(){
1496
    eval ${1}_be_test_deps="bigendian"
1497
    eval ${1}_le_test_deps="!bigendian"
1498
}
1499

    
1500
test_deps _encoder _decoder                                             \
1501
    adpcm_g726=g726                                                     \
1502
    adpcm_ima_qt                                                        \
1503
    adpcm_ima_wav                                                       \
1504
    adpcm_ms                                                            \
1505
    adpcm_swf                                                           \
1506
    adpcm_yamaha=adpcm_yam                                              \
1507
    alac                                                                \
1508
    asv1                                                                \
1509
    asv2                                                                \
1510
    bmp                                                                 \
1511
    dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1512
    dvvideo="dv dv50"                                                   \
1513
    ffv1                                                                \
1514
    flac                                                                \
1515
    flashsv                                                             \
1516
    flv                                                                 \
1517
    gif                                                                 \
1518
    h261                                                                \
1519
    h263="h263 h263p"                                                   \
1520
    huffyuv                                                             \
1521
    jpegls                                                              \
1522
    mjpeg="jpg mjpeg ljpeg"                                             \
1523
    mp2                                                                 \
1524
    mpeg1video="mpeg mpeg1b"                                            \
1525
    mpeg2video="mpeg2 mpeg2thread"                                      \
1526
    mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1527
    msmpeg4v3=msmpeg4                                                   \
1528
    msmpeg4v2                                                           \
1529
    pbm=pbmpipe                                                         \
1530
    pcx                                                                 \
1531
    pgm="pgm pgmpipe"                                                   \
1532
    png                                                                 \
1533
    ppm="ppm ppmpipe"                                                   \
1534
    rawvideo="rgb yuv"                                                  \
1535
    roq                                                                 \
1536
    rv10                                                                \
1537
    rv20                                                                \
1538
    sgi                                                                 \
1539
    snow="snow snowll"                                                  \
1540
    svq1                                                                \
1541
    targa=tga                                                           \
1542
    tiff                                                                \
1543
    wmav1                                                               \
1544
    wmav2                                                               \
1545
    wmv1                                                                \
1546
    wmv2                                                                \
1547

    
1548
test_deps _muxer _demuxer                                               \
1549
    aiff                                                                \
1550
    pcm_alaw=alaw                                                       \
1551
    asf                                                                 \
1552
    au                                                                  \
1553
    avi                                                                 \
1554
    dv=dv_fmt                                                           \
1555
    ffm                                                                 \
1556
    flv=flv_fmt                                                         \
1557
    gxf                                                                 \
1558
    matroska=mkv                                                        \
1559
    mmf                                                                 \
1560
    mov                                                                 \
1561
    pcm_mulaw=mulaw                                                     \
1562
    mxf                                                                 \
1563
    nut                                                                 \
1564
    ogg                                                                 \
1565
    rawvideo=pixfmt                                                     \
1566
    rm                                                                  \
1567
    swf                                                                 \
1568
    mpegts=ts                                                           \
1569
    voc                                                                 \
1570
    wav                                                                 \
1571
    yuv4mpegpipe=yuv4mpeg                                               \
1572

    
1573
ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1574
mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1575

    
1576
set_ne_test_deps pixdesc
1577
set_ne_test_deps pixfmts_copy
1578
set_ne_test_deps pixfmts_crop
1579
set_ne_test_deps pixfmts_hflip
1580
set_ne_test_deps pixfmts_null
1581
set_ne_test_deps pixfmts_pad
1582
set_ne_test_deps pixfmts_scale
1583
set_ne_test_deps pixfmts_vflip
1584

    
1585
# default parameters
1586

    
1587
logfile="config.log"
1588

    
1589
# installation paths
1590
prefix_default="/usr/local"
1591
bindir_default='${prefix}/bin'
1592
datadir_default='${prefix}/share/ffmpeg'
1593
incdir_default='${prefix}/include'
1594
libdir_default='${prefix}/lib'
1595
mandir_default='${prefix}/share/man'
1596
shlibdir_default="$libdir_default"
1597

    
1598
# toolchain
1599
ar_default="ar"
1600
cc_default="gcc"
1601
cc_version=\"unknown\"
1602
host_cc_default="gcc"
1603
ln_s="ln -sf"
1604
nm_default="nm"
1605
objformat="elf"
1606
pkg_config_default=pkg-config
1607
ranlib="ranlib"
1608
strip_default="strip"
1609
yasmexe="yasm"
1610
nogas=":"
1611

    
1612
nm_opts='-g'
1613

    
1614
# machine
1615
arch_default=$(uname -m)
1616
cpu="generic"
1617

    
1618
# OS
1619
target_os_default=$(tolower $(uname -s))
1620
host_os=$target_os_default
1621

    
1622
# configurable options
1623
enable avcodec
1624
enable avdevice
1625
enable avfilter
1626
enable avformat
1627
enable avutil
1628
enable asm
1629
enable debug
1630
enable doc
1631
enable fastdiv
1632
enable ffmpeg
1633
enable ffplay
1634
enable ffprobe
1635
enable ffserver
1636
enable mpegaudio_hp
1637
enable network
1638
enable optimizations
1639
enable protocols
1640
enable static
1641
enable stripping
1642
enable swscale
1643
enable swscale_alpha
1644

    
1645
# build settings
1646
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1647
FFSERVERLDFLAGS=-Wl,-E
1648
LIBPREF="lib"
1649
LIBSUF=".a"
1650
FULLNAME='$(NAME)$(BUILDSUF)'
1651
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1652
SLIBPREF="lib"
1653
SLIBSUF=".so"
1654
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1655
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1656
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1657
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1658

    
1659
CC_O='-o $@'
1660

    
1661
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1662
host_libs='-lm'
1663

    
1664
target_path='$(CURDIR)'
1665

    
1666
# since the object filename is not given with the -MM flag, the compiler
1667
# is only able to print the basename, and we must add the path ourselves
1668
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1669
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1670

    
1671
# find source path
1672
source_path="$(dirname "$0")"
1673
enable source_path_used
1674
if test -f configure; then
1675
    source_path="$(pwd)"
1676
    disable source_path_used
1677
else
1678
    source_path="$(cd "$source_path"; pwd)"
1679
    echo "$source_path" | grep -q '[[:blank:]]' &&
1680
        die "Out of tree builds are impossible with whitespace in source path."
1681
    test -e "$source_path/config.h" &&
1682
        die "Out of tree builds are impossible with config.h in source dir."
1683
fi
1684

    
1685
for v in "$@"; do
1686
    r=${v#*=}
1687
    l=${v%"$r"}
1688
    r=$(sh_quote "$r")
1689
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1690
done
1691

    
1692
find_things(){
1693
    thing=$1
1694
    pattern=$2
1695
    file=$source_path/$3
1696
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1697
}
1698

    
1699
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1700
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1701
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1702
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1703
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1704
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1705
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1706
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1707
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1708
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1709
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1710

    
1711
find_tests(){
1712
    map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1713
}
1714

    
1715
ACODEC_TESTS=$(find_tests acodec)
1716
VCODEC_TESTS=$(find_tests vsynth1)
1717
LAVF_TESTS=$(find_tests lavf)
1718
LAVFI_TESTS=$(find_tests lavfi)
1719
SEEK_TESTS=$(find_tests seek seek_)
1720

    
1721
pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1722

    
1723
for n in $COMPONENT_LIST; do
1724
    v=$(toupper ${n%s})_LIST
1725
    eval enable \$$v
1726
    eval ${n}_if_any="\$$v"
1727
done
1728

    
1729
enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1730

    
1731
die_unknown(){
1732
    echo "Unknown option \"$1\"."
1733
    echo "See $0 --help for available options."
1734
    exit 1
1735
}
1736

    
1737
show_list() {
1738
    suffix=_$1
1739
    shift
1740
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1741
    exit 0
1742
}
1743

    
1744
for opt do
1745
    optval="${opt#*=}"
1746
    case "$opt" in
1747
    --extra-ldflags=*) add_ldflags $optval
1748
    ;;
1749
    --extra-libs=*) add_extralibs $optval
1750
    ;;
1751
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1752
    ;;
1753
    --enable-debug=*) debuglevel="$optval"
1754
    ;;
1755
    --disable-everything)
1756
    map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1757
    ;;
1758
    --enable-*=*|--disable-*=*)
1759
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1760
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1761
    eval list=\$$(toupper $thing)_LIST
1762
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1763
    $action $(filter "$name" $list)
1764
    ;;
1765
    --enable-?*|--disable-?*)
1766
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1767
    if is_in $option $COMPONENT_LIST; then
1768
        test $action = disable && action=unset
1769
        eval $action \$$(toupper ${option%s})_LIST
1770
    elif is_in $option $CMDLINE_SELECT; then
1771
        $action $option
1772
    else
1773
        die_unknown $opt
1774
    fi
1775
    ;;
1776
    --list-*)
1777
        NAME="${opt#--list-}"
1778
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1779
        NAME=${NAME%s}
1780
        eval show_list $NAME \$$(toupper $NAME)_LIST
1781
    ;;
1782
    --help|-h) show_help
1783
    ;;
1784
    *)
1785
    optname="${opt%%=*}"
1786
    optname="${optname#--}"
1787
    optname=$(echo "$optname" | sed 's/-/_/g')
1788
    if is_in $optname $CMDLINE_SET; then
1789
        eval $optname='$optval'
1790
    elif is_in $optname $CMDLINE_APPEND; then
1791
        append $optname "$optval"
1792
    else
1793
         die_unknown $opt
1794
    fi
1795
    ;;
1796
    esac
1797
done
1798

    
1799
disabled logging && logfile=/dev/null
1800

    
1801
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1802
set >> $logfile
1803

    
1804
test -n "$cross_prefix" && enable cross_compile
1805

    
1806
if enabled cross_compile; then
1807
    test -n "$arch" && test -n "$target_os" ||
1808
        die "Must specify target arch and OS when cross-compiling"
1809
fi
1810

    
1811
set_default arch target_os
1812

    
1813
ar_default="${cross_prefix}${ar_default}"
1814
cc_default="${cross_prefix}${cc_default}"
1815
nm_default="${cross_prefix}${nm_default}"
1816
pkg_config_default="${cross_prefix}${pkg_config_default}"
1817
ranlib="${cross_prefix}${ranlib}"
1818
strip_default="${cross_prefix}${strip_default}"
1819

    
1820
sysinclude_default="${sysroot}/usr/include"
1821

    
1822
set_default cc nm pkg_config strip sysinclude
1823
enabled cross_compile || host_cc_default=$cc
1824
set_default host_cc
1825

    
1826
exesuf() {
1827
    case $1 in
1828
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1829
    esac
1830
}
1831

    
1832
EXESUF=$(exesuf $target_os)
1833
HOSTEXESUF=$(exesuf $host_os)
1834

    
1835
# set temporary file name
1836
: ${TMPDIR:=$TEMPDIR}
1837
: ${TMPDIR:=$TMP}
1838
: ${TMPDIR:=/tmp}
1839

    
1840
if ! check_cmd mktemp -u XXXXXX; then
1841
    # simple replacement for missing mktemp
1842
    # NOT SAFE FOR GENERAL USE
1843
    mktemp(){
1844
        echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1845
    }
1846
fi
1847

    
1848
tmpfile(){
1849
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1850
        (set -C; exec > $tmp) 2>/dev/null ||
1851
        die "Unable to create temporary file in $TMPDIR."
1852
    append TMPFILES $tmp
1853
    eval $1=$tmp
1854
}
1855

    
1856
trap 'rm -f -- $TMPFILES' EXIT
1857

    
1858
tmpfile TMPC  .c
1859
tmpfile TMPE  $EXESUF
1860
tmpfile TMPH  .h
1861
tmpfile TMPO  .o
1862
tmpfile TMPS  .S
1863
tmpfile TMPV  .ver
1864
tmpfile TMPSH .sh
1865
tmpfile TMPASM .asm
1866

    
1867
unset -f mktemp
1868

    
1869
chmod +x $TMPE
1870

    
1871
# make sure we can execute files in $TMPDIR
1872
cat > $TMPSH 2>> $logfile <<EOF
1873
#! /bin/sh
1874
EOF
1875
chmod +x $TMPSH >> $logfile 2>&1
1876
if ! $TMPSH >> $logfile 2>&1; then
1877
    cat <<EOF
1878
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1879
variable to another directory and make sure that it is not mounted noexec.
1880
EOF
1881
    die "Sanity test failed."
1882
fi
1883

    
1884
filter_cflags=echo
1885
filter_cppflags=echo
1886
filter_asflags=echo
1887

    
1888
if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1889
    cc_type=llvm_gcc
1890
    cc_version=__VERSION__
1891
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1892
    cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1893
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1894
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1895
    speed_cflags='-O3'
1896
    size_cflags='-Os'
1897
elif $cc -v 2>&1 | grep -qi ^gcc; then
1898
    cc_type=gcc
1899
    cc_version=__VERSION__
1900
    gcc_version=$($cc --version | head -n1)
1901
    gcc_basever=$($cc -dumpversion)
1902
    gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1903
    gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1904
    cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1905
    if ! $cc -dumpversion | grep -q '^2\.'; then
1906
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1907
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1908
    fi
1909
    speed_cflags='-O3'
1910
    size_cflags='-Os'
1911
elif $cc --version 2>/dev/null | grep -q Intel; then
1912
    cc_type=icc
1913
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1914
    cc_ident=$($cc --version | head -n1)
1915
    icc_version=$($cc -dumpversion)
1916
    CC_DEPFLAGS='-MMD'
1917
    AS_DEPFLAGS='-MMD'
1918
    speed_cflags='-O3'
1919
    size_cflags='-Os'
1920
    noopt_cflags='-O1'
1921
elif $cc -v 2>&1 | grep -q xlc; then
1922
    cc_type=xlc
1923
    cc_version="AV_STRINGIFY(__IBMC__)"
1924
    cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1925
    speed_cflags='-O5'
1926
    size_cflags='-O5 -qcompact'
1927
elif $cc -V 2>/dev/null | grep -q Compaq; then
1928
    cc_type=ccc
1929
    cc_version="AV_STRINGIFY(__DECC_VER)"
1930
    cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1931
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1932
    debuglevel=3
1933
    add_ldflags -Wl,-z,now # calls to libots crash without this
1934
    speed_cflags='-fast'
1935
    size_cflags='-O1'
1936
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1937
    test -d "$sysroot" || die "No valid sysroot specified."
1938
    cc_type=armcc
1939
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1940
    cc_ident=$($cc --vsn | head -n1)
1941
    armcc_conf="$PWD/armcc.conf"
1942
    $cc --arm_linux_configure                 \
1943
        --arm_linux_config_file="$armcc_conf" \
1944
        --configure_sysroot="$sysroot"        \
1945
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1946
        die "Error creating armcc configuration file."
1947
    $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1948
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1949
    as_default="${cross_prefix}gcc"
1950
    CC_DEPFLAGS='-MMD'
1951
    AS_DEPFLAGS='-MMD'
1952
    speed_cflags='-O3'
1953
    size_cflags='-Os'
1954
    filter_asflags="filter_out -W${armcc_opt}*"
1955
elif $cc -version 2>/dev/null | grep -q TMS470; then
1956
    cc_type=tms470
1957
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1958
    cc_ident=$($cc -version | head -n1 | tr -s ' ')
1959
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1960
    CC_O='-fr=$(@D)'
1961
    as_default="${cross_prefix}gcc"
1962
    ld_default="${cross_prefix}gcc"
1963
    TMPO=$(basename $TMPC .c).o
1964
    append TMPFILES $TMPO
1965
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1966
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1967
    AS_DEPFLAGS='-MMD'
1968
    speed_cflags='-O3 -mf=5'
1969
    size_cflags='-O3 -mf=2'
1970
    filter_cflags=tms470_flags
1971
    tms470_flags(){
1972
        for flag; do
1973
            case $flag in
1974
                -march=*|-mcpu=*)
1975
                    case "${flag#*=}" in
1976
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1977
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1978
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1979
                        armv6*|arm11*)          echo -mv=6   ;;
1980
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1981
                                                echo -mv=5e  ;;
1982
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1983
                    esac
1984
                    ;;
1985
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1986
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1987
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1988
                -msoft-float)   echo --float_support=vfplib       ;;
1989
                -O[0-3]|-mf=*)  echo $flag                        ;;
1990
                -g)             echo -g -mn                       ;;
1991
                -pds=*)         echo $flag                        ;;
1992
            esac
1993
        done
1994
    }
1995
elif $cc -v 2>&1 | grep -q clang; then
1996
    cc_type=clang
1997
    $cc -dM -E $TMPC | grep -q __clang_version__ &&
1998
        cc_version=__clang_version__ || cc_version=__VERSION__
1999
    cc_ident=$($cc --version | head -n1)
2000
    CC_DEPFLAGS='-MMD'
2001
    AS_DEPFLAGS='-MMD'
2002
    speed_cflags='-O3'
2003
    size_cflags='-Os'
2004
elif $cc -V 2>&1 | grep -q Sun; then
2005
    cc_type=suncc
2006
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
2007
    cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2008
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2009
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2010
    speed_cflags='-O5'
2011
    size_cflags='-O5 -xspace'
2012
    filter_cflags=suncc_flags
2013
    suncc_flags(){
2014
        for flag; do
2015
            case $flag in
2016
                -march=*|-mcpu=*)
2017
                    case "${flag#*=}" in
2018
                        native)                   echo -xtarget=native       ;;
2019
                        v9|niagara)               echo -xarch=sparc          ;;
2020
                        ultrasparc)               echo -xarch=sparcvis       ;;
2021
                        ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2022
                        i586|pentium)             echo -xchip=pentium        ;;
2023
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2024
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2025
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2026
                        pentium4*)          echo -xtarget=pentium4           ;;
2027
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2028
                        *-sse3)             echo -xarch=sse3                 ;;
2029
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
2030
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2031
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2032
                        k8|opteron|athlon64|athlon-fx)
2033
                                                  echo -xarch=sse2a          ;;
2034
                        athlon*)                  echo -xarch=pentium_proa   ;;
2035
                    esac
2036
                    ;;
2037
                -std=c99)             echo -xc99              ;;
2038
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
2039
                -fPIC)                echo -KPIC -xcode=pic32 ;;
2040
                -W*,*)                echo $flag              ;;
2041
                -f*-*|-W*)                                    ;;
2042
                *)                    echo $flag              ;;
2043
            esac
2044
        done
2045
    }
2046
elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2047
    cc_type=pathscale
2048
    cc_version=__PATHSCALE__
2049
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2050
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2051
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2052
    speed_cflags='-O2'
2053
    size_cflags='-Os'
2054
elif $cc -v 2>&1 | grep -q Open64; then
2055
    cc_type=open64
2056
    cc_version=__OPEN64__
2057
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2058
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2059
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2060
    speed_cflags='-O2'
2061
    size_cflags='-Os'
2062
fi
2063

    
2064
test -n "$cc_type" && enable $cc_type ||
2065
    warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2066

    
2067
: ${as_default:=$cc}
2068
: ${dep_cc_default:=$cc}
2069
: ${ld_default:=$cc}
2070
set_default ar as dep_cc ld
2071

    
2072
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2073
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2074

    
2075
add_cflags $extra_cflags
2076
add_asflags $extra_cflags
2077

    
2078
if test -n "$sysroot"; then
2079
    case "$cc_type" in
2080
        gcc|llvm_gcc|clang)
2081
            add_cppflags --sysroot="$sysroot"
2082
            add_ldflags --sysroot="$sysroot"
2083
        ;;
2084
        tms470)
2085
            add_cppflags -I"$sysinclude"
2086
            add_ldflags  --sysroot="$sysroot"
2087
        ;;
2088
    esac
2089
fi
2090

    
2091
if test "$cpu" = host; then
2092
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2093

    
2094
    case "$cc_type" in
2095
        gcc|llvm_gcc)
2096
            check_native(){
2097
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2098
                sed -n "/$1=/{
2099
                            s/.*$1=\\([^ ]*\\).*/\\1/
2100
                            p
2101
                            q
2102
                        }" $TMPE
2103
            }
2104
            cpu=$(check_native -march || check_native -mcpu)
2105
        ;;
2106
    esac
2107

    
2108
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2109
fi
2110

    
2111
# Deal with common $arch aliases
2112
case "$arch" in
2113
    arm*)
2114
        arch="arm"
2115
    ;;
2116
    mips|mipsel|IP*)
2117
        arch="mips"
2118
    ;;
2119
    mips64*)
2120
        arch="mips"
2121
        subarch="mips64"
2122
    ;;
2123
    parisc|hppa)
2124
        arch="parisc"
2125
    ;;
2126
    parisc64|hppa64)
2127
        arch="parisc"
2128
        subarch="parisc64"
2129
    ;;
2130
    "Power Macintosh"|ppc|powerpc)
2131
        arch="ppc"
2132
    ;;
2133
    ppc64|powerpc64)
2134
        arch="ppc"
2135
        subarch="ppc64"
2136
    ;;
2137
    s390|s390x)
2138
        arch="s390"
2139
    ;;
2140
    sh4|sh)
2141
        arch="sh4"
2142
    ;;
2143
    sun4u|sparc64)
2144
        arch="sparc"
2145
        subarch="sparc64"
2146
    ;;
2147
    i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2148
        arch="x86"
2149
    ;;
2150
esac
2151

    
2152
is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2153
enable $arch
2154

    
2155
# Add processor-specific flags
2156
if test "$cpu" = generic; then
2157
    : do nothing
2158
elif enabled ppc; then
2159

    
2160
    case $(tolower $cpu) in
2161
        601|ppc601|powerpc601)
2162
            cpuflags="-mcpu=601"
2163
            disable altivec
2164
        ;;
2165
        603*|ppc603*|powerpc603*)
2166
            cpuflags="-mcpu=603"
2167
            disable altivec
2168
        ;;
2169
        604*|ppc604*|powerpc604*)
2170
            cpuflags="-mcpu=604"
2171
            disable altivec
2172
        ;;
2173
        g3|75*|ppc75*|powerpc75*)
2174
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2175
            disable altivec
2176
        ;;
2177
        g4|745*|ppc745*|powerpc745*)
2178
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2179
        ;;
2180
        74*|ppc74*|powerpc74*)
2181
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2182
        ;;
2183
        g5|970|ppc970|powerpc970|power4*)
2184
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2185
        ;;
2186
        cell)
2187
            cpuflags="-mcpu=cell"
2188
            enable ldbrx
2189
        ;;
2190
        e500v2)
2191
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2192
            disable altivec
2193
        ;;
2194
        e500)
2195
            cpuflags="-mcpu=8540 -mhard-float"
2196
            disable altivec
2197
        ;;
2198
    esac
2199

    
2200
elif enabled x86; then
2201

    
2202
    case $cpu in
2203
        i[345]86|pentium)
2204
            cpuflags="-march=$cpu"
2205
            disable mmx
2206
        ;;
2207
        # targets that do NOT support conditional mov (cmov)
2208
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2209
            cpuflags="-march=$cpu"
2210
            disable cmov
2211
        ;;
2212
        # targets that do support conditional mov (cmov)
2213
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2214
            cpuflags="-march=$cpu"
2215
            enable cmov
2216
            enable fast_cmov
2217
        ;;
2218
        # targets that do support conditional mov but on which it's slow
2219
        pentium4|pentium4m|prescott|nocona)
2220
            cpuflags="-march=$cpu"
2221
            enable cmov
2222
            disable fast_cmov
2223
        ;;
2224
    esac
2225

    
2226
elif enabled sparc; then
2227

    
2228
    case $cpu in
2229
        niagara)
2230
            cpuflags="-mcpu=$cpu"
2231
            disable vis
2232
        ;;
2233
        sparc64)
2234
            cpuflags="-mcpu=v9"
2235
        ;;
2236
    esac
2237

    
2238
elif enabled arm; then
2239

    
2240
    case $cpu in
2241
        armv*)
2242
            cpuflags="-march=$cpu"
2243
            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2244
        ;;
2245
        *)
2246
            cpuflags="-mcpu=$cpu"
2247
            case $cpu in
2248
                cortex-a*)                               subarch=armv7a  ;;
2249
                cortex-r*)                               subarch=armv7r  ;;
2250
                cortex-m*)                               subarch=armv7m  ;;
2251
                arm11*)                                  subarch=armv6   ;;
2252
                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2253
                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2254
            esac
2255
        ;;
2256
    esac
2257

    
2258
elif enabled alpha; then
2259

    
2260
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2261

    
2262
elif enabled bfin; then
2263

    
2264
    cpuflags="-mcpu=$cpu"
2265

    
2266
elif enabled mips; then
2267

    
2268
    cpuflags="-march=$cpu"
2269

    
2270
elif enabled avr32; then
2271

    
2272
    case $cpu in
2273
        ap7[02]0[0-2])
2274
            subarch="avr32_ap"
2275
            cpuflags="-mpart=$cpu"
2276
        ;;
2277
        ap)
2278
            subarch="avr32_ap"
2279
            cpuflags="-march=$cpu"
2280
        ;;
2281
        uc3[ab]*)
2282
            subarch="avr32_uc"
2283
            cpuflags="-mcpu=$cpu"
2284
        ;;
2285
        uc)
2286
            subarch="avr32_uc"
2287
            cpuflags="-march=$cpu"
2288
        ;;
2289
    esac
2290

    
2291
fi
2292

    
2293
add_cflags $cpuflags
2294
add_asflags $cpuflags
2295

    
2296
# compiler sanity check
2297
check_exec <<EOF
2298
int main(void){ return 0; }
2299
EOF
2300
if test "$?" != 0; then
2301
    echo "$cc is unable to create an executable file."
2302
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2303
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2304
        echo "Only do this if you know what cross compiling means."
2305
    fi
2306
    die "C compiler test failed."
2307
fi
2308

    
2309
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2310
check_cflags -std=c99
2311
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2312
#include <stdlib.h>
2313
EOF
2314
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2315
#include <stdlib.h>
2316
EOF
2317

    
2318
check_host_cflags -std=c99
2319

    
2320
case "$arch" in
2321
    alpha|ia64|mips|parisc|sparc)
2322
        spic=$shared
2323
    ;;
2324
    x86)
2325
        subarch="x86_32"
2326
        check_cc <<EOF && subarch="x86_64"
2327
        int test[(int)sizeof(char*) - 7];
2328
EOF
2329
        if test "$subarch" = "x86_64"; then
2330
            spic=$shared
2331
        fi
2332
    ;;
2333
esac
2334

    
2335
enable $subarch
2336
enabled spic && enable pic
2337

    
2338
# OS specific
2339
case $target_os in
2340
    haiku)
2341
        prefix_default="/boot/common"
2342
        network_extralibs="-lnetwork"
2343
        host_libs=
2344
        ;;
2345
    sunos)
2346
        FFSERVERLDFLAGS=""
2347
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2348
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2349
        network_extralibs="-lsocket -lnsl"
2350
        add_cppflags -D__EXTENSIONS__
2351
        nm_opts='-P -g'
2352
        ;;
2353
    netbsd)
2354
        disable symver
2355
        oss_indev_extralibs="-lossaudio"
2356
        oss_outdev_extralibs="-lossaudio"
2357
        add_cppflags -D_XOPEN_SOURCE=600
2358
        ;;
2359
    openbsd)
2360
        enable malloc_aligned
2361
        # On OpenBSD 4.5. the compiler does not use PIC unless
2362
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2363
        # however the generated executable will not do anything
2364
        # (simply quits with exit-code 1, no crash, no output).
2365
        # Thus explicitly enable PIC here.
2366
        enable pic
2367
        disable symver
2368
        SHFLAGS='-shared'
2369
        oss_indev_extralibs="-lossaudio"
2370
        oss_outdev_extralibs="-lossaudio"
2371
        ;;
2372
    dragonfly)
2373
        enable malloc_aligned
2374
        disable symver
2375
        ;;
2376
    freebsd)
2377
        enable malloc_aligned
2378
        ;;
2379
    bsd/os)
2380
        add_extralibs -lpoll -lgnugetopt
2381
        strip="strip -d"
2382
        ;;
2383
    darwin)
2384
        enable malloc_aligned
2385
        gas="gas-preprocessor.pl $cc"
2386
        enabled ppc && add_asflags -force_cpusubtype_ALL
2387
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2388
        strip="${strip} -x"
2389
        add_ldflags -Wl,-dynamic,-search_paths_first
2390
        SLIBSUF=".dylib"
2391
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2392
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2393
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2394
        objformat="macho"
2395
        enabled x86_64 && objformat="macho64"
2396
        enabled_any pic shared ||
2397
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2398
        ;;
2399
    mingw32*)
2400
        if test $target_os = "mingw32ce"; then
2401
            disable network
2402
        else
2403
            target_os=mingw32
2404
        fi
2405
        LIBTARGET=i386
2406
        if enabled x86_64; then
2407
            enable malloc_aligned
2408
            LIBTARGET=x64
2409
        elif enabled arm; then
2410
            LIBTARGET=arm
2411
        fi
2412
        shlibdir_default="$bindir_default"
2413
        disable ffserver
2414
        SLIBPREF=""
2415
        SLIBSUF=".dll"
2416
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2417
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2418
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2419
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2420
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2421
            install -d "$(LIBDIR)"; \
2422
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2423
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2424
        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'
2425
        objformat="win32"
2426
        enable dos_paths
2427
        check_cflags -fno-common
2428
        check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2429
                                      || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2430
                die "ERROR: MinGW runtime version must be >= 3.15."
2431
        ;;
2432
    cygwin*)
2433
        target_os=cygwin
2434
        shlibdir_default="$bindir_default"
2435
        SLIBPREF="cyg"
2436
        SLIBSUF=".dll"
2437
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2438
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2439
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2440
        objformat="win32"
2441
        enable dos_paths
2442
        check_cflags -fno-common
2443
        ;;
2444
    *-dos|freedos|opendos)
2445
        disable ffplay ffserver
2446
        disable $INDEV_LIST $OUTDEV_LIST
2447
        network_extralibs="-lsocket"
2448
        objformat="coff"
2449
        enable dos_paths
2450
        ;;
2451
    linux)
2452
        enable dv1394
2453
        ;;
2454
    irix*)
2455
        target_os=irix
2456
        ranlib="echo ignoring ranlib"
2457
        ;;
2458
    os/2*)
2459
        strip="lxlite -CS"
2460
        ln_s="cp -f"
2461
        add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2462
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2463
        FFSERVERLDFLAGS=""
2464
        LIBSUF="_s.a"
2465
        SLIBPREF=""
2466
        SLIBSUF=".dll"
2467
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2468
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2469
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2470
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2471
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2472
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2473
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2474
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2475
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2476
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2477
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2478
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2479
        enable dos_paths
2480
        ;;
2481
    gnu/kfreebsd)
2482
        ;;
2483
    gnu)
2484
        ;;
2485
    qnx)
2486
        add_cppflags -D_QNX_SOURCE
2487
        network_extralibs="-lsocket"
2488
        ;;
2489
    none)
2490
        ;;
2491
    *)
2492
        die "Unknown OS '$target_os'."
2493
        ;;
2494
esac
2495

    
2496
echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2497

    
2498
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2499

    
2500
set_default $PATHS_LIST
2501

    
2502
# we need to build at least one lib type
2503
if ! enabled_any static shared; then
2504
    cat <<EOF
2505
At least one library type must be built.
2506
Specify --enable-static to build the static libraries or --enable-shared to
2507
build the shared libraries as well. To only build the shared libraries specify
2508
--disable-static in addition to --enable-shared.
2509
EOF
2510
    exit 1;
2511
fi
2512

    
2513
disabled static && LIBNAME=""
2514

    
2515
die_license_disabled() {
2516
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2517
}
2518

    
2519
die_license_disabled gpl libx264
2520
die_license_disabled gpl libxavs
2521
die_license_disabled gpl libxvid
2522
die_license_disabled gpl postproc
2523
die_license_disabled gpl x11grab
2524

    
2525
die_license_disabled nonfree libfaac
2526

    
2527
die_license_disabled version3 libopencore_amrnb
2528
die_license_disabled version3 libopencore_amrwb
2529

    
2530
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2531

    
2532
disabled optimizations || check_cflags -fomit-frame-pointer
2533

    
2534
enable_pic() {
2535
    enable pic
2536
    add_cppflags -DPIC
2537
    add_cflags   -fPIC
2538
    add_asflags  -fPIC
2539
}
2540

    
2541
enabled pic && enable_pic
2542

    
2543
check_cc <<EOF || die "Symbol mangling check failed."
2544
int ff_extern;
2545
EOF
2546
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2547
extern_prefix=${sym%%ff_extern*}
2548

    
2549
check_cc <<EOF && enable inline_asm
2550
void foo(void) { __asm__ volatile ("" ::); }
2551
EOF
2552

    
2553
_restrict=
2554
for restrict_keyword in restrict __restrict__ __restrict; do
2555
    check_cc <<EOF && _restrict=$restrict_keyword && break
2556
void foo(char * $restrict_keyword p);
2557
EOF
2558
done
2559

    
2560
check_cc <<EOF && enable attribute_packed
2561
struct { int x; } __attribute__((packed)) x;
2562
EOF
2563

    
2564
check_cc <<EOF && enable attribute_may_alias
2565
union { int x; } __attribute__((may_alias)) x;
2566
EOF
2567

    
2568
check_cc <<EOF || die "endian test failed"
2569
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2570
EOF
2571
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2572

    
2573
if enabled alpha; then
2574

    
2575
    check_cflags -mieee
2576

    
2577
elif enabled arm; then
2578

    
2579
    check_cflags -marm
2580
    nogas=die
2581

    
2582
    if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2583
        enable vfp_args
2584
    elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2585
        case "${cross_prefix:-$cc}" in
2586
            *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2587
            *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2588
__asm__ (".eabi_attribute 28, 1");
2589
int main(void) { return 0; }
2590
EOF
2591
        esac
2592
        warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2593
    fi
2594

    
2595
    # We have to check if pld is a nop and disable it.
2596
    check_asm pld '"pld [r0]"'
2597

    
2598
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2599
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2600
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2601
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2602
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2603
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2604

    
2605
    enabled_all armv6t2 shared !pic && enable_pic
2606

    
2607
elif enabled mips; then
2608

    
2609
    check_asm loongson '"dmult.g $1, $2, $3"'
2610
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2611

    
2612
elif enabled ppc; then
2613

    
2614
    enable local_aligned_8 local_aligned_16
2615

    
2616
    check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2617
    check_asm ibm_asm   '"add 0, 0, 0"'
2618
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2619
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2620

    
2621
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2622
    if enabled altivec; then
2623
        nogas=warn
2624
        check_cflags -maltivec -mabi=altivec &&
2625
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2626
        check_cflags -faltivec
2627

    
2628
        # check if our compiler supports Motorola AltiVec C API
2629
        check_cc <<EOF || disable altivec
2630
$inc_altivec_h
2631
int main(void) {
2632
    vector signed int v1, v2, v3;
2633
    v1 = vec_add(v2,v3);
2634
    return 0;
2635
}
2636
EOF
2637

    
2638
        # check if our compiler supports braces for vector declarations
2639
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2640
$inc_altivec_h
2641
int main (void) { (vector int) {1}; return 0; }
2642
EOF
2643
    fi
2644

    
2645
elif enabled sparc; then
2646

    
2647
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2648
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2649

    
2650
elif enabled x86; then
2651

    
2652
    enable local_aligned_8 local_aligned_16
2653

    
2654
    # check whether EBP is available on x86
2655
    # As 'i' is stored on the stack, this program will crash
2656
    # if the base pointer is used to access it because the
2657
    # base pointer is cleared in the inline assembly code.
2658
    check_exec_crash <<EOF && enable ebp_available
2659
    volatile int i=0;
2660
    __asm__ volatile (
2661
        "xorl %%ebp, %%ebp"
2662
    ::: "%ebp");
2663
    return i;
2664
EOF
2665

    
2666
    # check whether EBX is available on x86
2667
    check_asm ebx_available '""::"b"(0)' &&
2668
        check_asm ebx_available '"":::"%ebx"'
2669

    
2670
    # check whether xmm clobbers are supported
2671
    check_asm xmm_clobbers '"":::"%xmm0"'
2672

    
2673
    # check whether more than 10 operands are supported
2674
    check_cc <<EOF && enable ten_operands
2675
int main(void) {
2676
    int x=0;
2677
    __asm__ volatile(
2678
        ""
2679
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2680
    );
2681
    return 0;
2682
}
2683
EOF
2684

    
2685
    # check whether binutils is new enough to compile SSSE3/MMX2
2686
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2687
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2688

    
2689
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2690

    
2691
    if ! disabled_any asm mmx yasm; then
2692
        if check_cmd $yasmexe --version; then
2693
            enabled x86_64 && yasm_extra="-m amd64"
2694
            yasm_debug="-g dwarf2"
2695
        elif check_cmd nasm -v; then
2696
            yasmexe=nasm
2697
            yasm_debug="-g -F dwarf"
2698
            enabled x86_64 && test "$objformat" = elf && objformat=elf64
2699
        fi
2700

    
2701
        YASMFLAGS="-f $objformat $yasm_extra"
2702
        enabled pic               && append YASMFLAGS "-DPIC"
2703
        test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2704
        case "$objformat" in
2705
            elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2706
        esac
2707

    
2708
        check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2709
            die "yasm not found, use --disable-yasm for a crippled build"
2710
        check_yasm "vpaddw xmm0, xmm0, xmm0" || disable avx
2711
    fi
2712

    
2713
    case "$cpu" in
2714
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2715
            disable fast_clz
2716
        ;;
2717
    esac
2718

    
2719
fi
2720

    
2721
if enabled asm; then
2722
    as=${gas:=$as}
2723
    check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2724
        $nogas "GNU assembler not found, install gas-preprocessor"
2725
fi
2726

    
2727
if check_func dlopen; then
2728
    ldl=
2729
elif check_func dlopen -ldl; then
2730
    ldl=-ldl
2731
fi
2732

    
2733
if enabled network; then
2734
    check_type "sys/types.h sys/socket.h" socklen_t
2735
    check_type netdb.h "struct addrinfo"
2736
    check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2737
    check_type netinet/in.h "struct sockaddr_in6"
2738
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2739
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2740
    # Prefer arpa/inet.h over winsock2
2741
    if check_header arpa/inet.h ; then
2742
        check_func closesocket
2743
    elif check_header winsock2.h ; then
2744
        check_func_headers winsock2.h closesocket -lws2 && \
2745
            network_extralibs="-lws2" || \
2746
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2747
            network_extralibs="-lws2_32"; }
2748
        check_type ws2tcpip.h socklen_t
2749
        check_type ws2tcpip.h "struct addrinfo"
2750
        check_type ws2tcpip.h "struct ipv6_mreq"
2751
        check_type ws2tcpip.h "struct sockaddr_in6"
2752
        check_type ws2tcpip.h "struct sockaddr_storage"
2753
        check_struct winsock2.h "struct sockaddr" sa_len
2754
    else
2755
        disable network
2756
    fi
2757
fi
2758

    
2759
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2760
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2761

    
2762
check_func  fcntl
2763
check_func  fork
2764
check_func  getaddrinfo $network_extralibs
2765
check_func  gethrtime
2766
check_func  getrusage
2767
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2768
check_func  inet_aton $network_extralibs
2769
check_func  isatty
2770
check_func  ${malloc_prefix}memalign            && enable memalign
2771
check_func  mkstemp
2772
check_func  mmap
2773
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2774
check_func  setrlimit
2775
check_func  strerror_r
2776
check_func  strtok_r
2777
check_func_headers io.h setmode
2778
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2779
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2780
check_func_headers windows.h GetProcessTimes
2781
check_func_headers windows.h MapViewOfFile
2782
check_func_headers windows.h VirtualAlloc
2783

    
2784
check_header conio.h
2785
check_header dlfcn.h
2786
check_header dxva2api.h
2787
check_header malloc.h
2788
check_header poll.h
2789
check_header sys/mman.h
2790
check_header sys/resource.h
2791
check_header sys/select.h
2792
check_header termios.h
2793
check_header vdpau/vdpau.h
2794
check_header vdpau/vdpau_x11.h
2795
check_header X11/extensions/XvMClib.h
2796

    
2797
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2798

    
2799
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2800
     enabled_any $need_memalign ; then
2801
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2802
fi
2803

    
2804
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2805
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2806

    
2807
# check for some common methods of building with pthread support
2808
# do this before the optional library checks as some of them require pthreads
2809
if ! disabled pthreads && ! enabled w32threads; then
2810
    enable pthreads
2811
    if check_func pthread_create; then
2812
        :
2813
    elif check_func pthread_create -pthread; then
2814
        add_cflags -pthread
2815
        add_extralibs -pthread
2816
    elif check_func pthread_create -pthreads; then
2817
        add_cflags -pthreads
2818
        add_extralibs -pthreads
2819
    elif check_func pthread_create -lpthreadGC2; then
2820
        add_extralibs -lpthreadGC2
2821
    elif ! check_lib pthread.h pthread_create -lpthread; then
2822
        disable pthreads
2823
    fi
2824
fi
2825

    
2826
for thread in $THREADS_LIST; do
2827
    if enabled $thread; then
2828
        test -n "$thread_type" &&
2829
            die "ERROR: Only one thread type must be selected." ||
2830
            thread_type="$thread"
2831
    fi
2832
done
2833

    
2834
check_lib math.h sin -lm
2835
disabled vaapi || check_lib va/va.h vaInitialize -lva
2836

    
2837
check_mathfunc exp2
2838
check_mathfunc exp2f
2839
check_mathfunc llrint
2840
check_mathfunc llrintf
2841
check_mathfunc log2
2842
check_mathfunc log2f
2843
check_mathfunc lrint
2844
check_mathfunc lrintf
2845
check_mathfunc round
2846
check_mathfunc roundf
2847
check_mathfunc truncf
2848

    
2849
# these are off by default, so fail if requested and not available
2850
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2851
enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2852
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2853
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2854
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2855
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2856
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2857
enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2858
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2859
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2860
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2861
enabled libopencv  && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2862
                        die "ERROR: libopencv not found"; }
2863
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2864
enabled librtmp    && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2865
                        die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2866
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2867
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2868
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2869
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2870
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2871
enabled libvpx     && {
2872
    enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2873
                                die "ERROR: libvpx decoder version must be >=0.9.1"; }
2874
    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2875
                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2876
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2877
                      { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2878
                        die "ERROR: libx264 version must be >= 0.99."; }
2879
enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2880
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2881
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2882

    
2883
# libdc1394 check
2884
if enabled libdc1394; then
2885
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2886
        enable libdc1394_2; } ||
2887
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2888
        enable libdc1394_1; } ||
2889
    die "ERROR: No version of libdc1394 found "
2890
fi
2891

    
2892
SDL_CONFIG="${cross_prefix}sdl-config"
2893
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2894
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2895
    sdl_libs=$("${SDL_CONFIG}" --libs)
2896
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2897
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2898
    enable sdl &&
2899
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2900
fi
2901

    
2902
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2903

    
2904
check_header linux/videodev.h
2905
check_header linux/videodev2.h
2906
check_header sys/videoio.h
2907

    
2908
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2909
# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2910
# w32api 3.12 had it defined wrong
2911
check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2912

    
2913
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2914
{ check_header dev/bktr/ioctl_meteor.h &&
2915
  check_header dev/bktr/ioctl_bt848.h; } ||
2916
{ check_header machine/ioctl_meteor.h &&
2917
  check_header machine/ioctl_bt848.h; } ||
2918
{ check_header dev/video/meteor/ioctl_meteor.h &&
2919
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2920
check_header dev/ic/bt8xx.h
2921

    
2922
check_header sys/soundcard.h
2923
check_header soundcard.h
2924

    
2925
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2926

    
2927
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2928

    
2929
enabled x11grab                         &&
2930
check_header X11/Xlib.h                 &&
2931
check_header X11/extensions/XShm.h      &&
2932
check_header X11/extensions/Xfixes.h    &&
2933
check_func XOpenDisplay -lX11           &&
2934
check_func XShmCreateImage -lX11 -lXext &&
2935
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2936

    
2937
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2938
check_cpp_condition \
2939
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2940
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2941
      disable vdpau; }
2942
fi
2943

    
2944
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2945

    
2946
# add some useful compiler flags if supported
2947
check_cflags -Wdeclaration-after-statement
2948
check_cflags -Wall
2949
check_cflags -Wno-parentheses
2950
check_cflags -Wno-switch
2951
check_cflags -Wdisabled-optimization
2952
check_cflags -Wpointer-arith
2953
check_cflags -Wredundant-decls
2954
check_cflags -Wno-pointer-sign
2955
check_cflags -Wcast-qual
2956
check_cflags -Wwrite-strings
2957
check_cflags -Wtype-limits
2958
check_cflags -Wundef
2959
check_cflags -Wmissing-prototypes
2960
enabled extra_warnings && check_cflags -Winline
2961

    
2962
# add some linker flags
2963
check_ldflags -Wl,--warn-common
2964
check_ldflags -Wl,--as-needed
2965
check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2966
test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2967

    
2968
echo "X{};" > $TMPV
2969
if test_ldflags -Wl,--version-script,$TMPV; then
2970
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2971
    check_cc <<EOF && enable symver_asm_label
2972
void ff_foo(void) __asm__ ("av_foo@VERSION");
2973
void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2974
EOF
2975
    check_cc <<EOF && enable symver_gnu_asm
2976
__asm__(".symver ff_foo,av_foo@VERSION");
2977
void ff_foo(void) {}
2978
EOF
2979
fi
2980

    
2981
if enabled small; then
2982
    add_cflags $size_cflags
2983
    optimizations="small"
2984
elif enabled optimizations; then
2985
    add_cflags $speed_cflags
2986
else
2987
    add_cflags $noopt_cflags
2988
fi
2989
check_cflags -fno-math-errno
2990
check_cflags -fno-signed-zeros
2991

    
2992
if enabled icc; then
2993
    # Just warnings, no remarks
2994
    check_cflags -w1
2995
    # -wd: Disable following warnings
2996
    # 144, 167, 556: -Wno-pointer-sign
2997
    # 10006: ignoring unknown option -fno-signed-zeros
2998
    # 10148: ignoring unknown option -Wno-parentheses
2999
    # 10156: ignoring option '-W'; no argument required
3000
    check_cflags -wd144,167,556,10006,10148,10156
3001
    # 11030: Warning unknown option --as-needed
3002
    # 10156: ignoring option '-export'; no argument required
3003
    check_ldflags -wd10156,11030
3004
    # Allow to compile with optimizations
3005
    check_ldflags -march=$cpu
3006
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3007
    enable ebp_available
3008
    if enabled x86_32; then
3009
        test ${icc_version%%.*} -ge 11 && \
3010
            check_cflags -falign-stack=maintain-16-byte || \
3011
            disable aligned_stack
3012
    fi
3013
elif enabled ccc; then
3014
    # disable some annoying warnings
3015
    add_cflags -msg_disable cvtu32to64
3016
    add_cflags -msg_disable embedcomment
3017
    add_cflags -msg_disable needconstext
3018
    add_cflags -msg_disable nomainieee
3019
    add_cflags -msg_disable ptrmismatch1
3020
    add_cflags -msg_disable unreachcode
3021
elif enabled gcc; then
3022
    check_cflags -fno-tree-vectorize
3023
    check_cflags -Werror=implicit-function-declaration
3024
    check_cflags -Werror=missing-prototypes
3025
elif enabled llvm_gcc; then
3026
    check_cflags -mllvm -stack-alignment=16
3027
elif enabled clang; then
3028
    check_cflags -mllvm -stack-alignment=16
3029
    check_cflags -Qunused-arguments
3030
elif enabled armcc; then
3031
    # 2523: use of inline assembler is deprecated
3032
    add_cflags -W${armcc_opt},--diag_suppress=2523
3033
    add_cflags -W${armcc_opt},--diag_suppress=1207
3034
    add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3035
    add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3036
elif enabled tms470; then
3037
    add_cflags -pds=824 -pds=837
3038
elif enabled pathscale; then
3039
    add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3040
fi
3041

    
3042
enabled_any $THREADS_LIST      && enable threads
3043

    
3044
check_deps $CONFIG_LIST       \
3045
           $CONFIG_EXTRA      \
3046
           $HAVE_LIST         \
3047
           $DECODER_LIST      \
3048
           $ENCODER_LIST      \
3049
           $HWACCEL_LIST      \
3050
           $PARSER_LIST       \
3051
           $BSF_LIST          \
3052
           $DEMUXER_LIST      \
3053
           $MUXER_LIST        \
3054
           $FILTER_LIST       \
3055
           $INDEV_LIST        \
3056
           $OUTDEV_LIST       \
3057
           $PROTOCOL_LIST     \
3058
           $ACODEC_TESTS      \
3059
           $VCODEC_TESTS      \
3060
           $LAVF_TESTS        \
3061
           $LAVFI_TESTS       \
3062
           $SEEK_TESTS        \
3063

    
3064
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3065

    
3066
echo "install prefix            $prefix"
3067
echo "source path               $source_path"
3068
echo "C compiler                $cc"
3069
echo "ARCH                      $arch ($cpu)"
3070
if test "$build_suffix" != ""; then
3071
    echo "build suffix              $build_suffix"
3072
fi
3073
if test "$extra_version" != ""; then
3074
    echo "version string suffix     $extra_version"
3075
fi
3076
echo "big-endian                ${bigendian-no}"
3077
echo "runtime cpu detection     ${runtime_cpudetect-no}"
3078
if enabled x86; then
3079
    echo "yasm                      ${yasm-no}"
3080
    echo "MMX enabled               ${mmx-no}"
3081
    echo "MMX2 enabled              ${mmx2-no}"
3082
    echo "3DNow! enabled            ${amd3dnow-no}"
3083
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
3084
    echo "SSE enabled               ${sse-no}"
3085
    echo "SSSE3 enabled             ${ssse3-no}"
3086
    echo "CMOV enabled              ${cmov-no}"
3087
    echo "CMOV is fast              ${fast_cmov-no}"
3088
    echo "EBX available             ${ebx_available-no}"
3089
    echo "EBP available             ${ebp_available-no}"
3090
    echo "10 operands supported     ${ten_operands-no}"
3091
fi
3092
if enabled arm; then
3093
    echo "ARMv5TE enabled           ${armv5te-no}"
3094
    echo "ARMv6 enabled             ${armv6-no}"
3095
    echo "ARMv6T2 enabled           ${armv6t2-no}"
3096
    echo "ARM VFP enabled           ${armvfp-no}"
3097
    echo "IWMMXT enabled            ${iwmmxt-no}"
3098
    echo "NEON enabled              ${neon-no}"
3099
fi
3100
if enabled mips; then
3101
    echo "MMI enabled               ${mmi-no}"
3102
fi
3103
if enabled ppc; then
3104
    echo "AltiVec enabled           ${altivec-no}"
3105
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
3106
    echo "dcbzl available           ${dcbzl-no}"
3107
fi
3108
if enabled sparc; then
3109
    echo "VIS enabled               ${vis-no}"
3110
fi
3111
echo "debug symbols             ${debug-no}"
3112
echo "strip symbols             ${stripping-no}"
3113
echo "optimizations             ${optimizations-no}"
3114
echo "static                    ${static-no}"
3115
echo "shared                    ${shared-no}"
3116
echo "postprocessing support    ${postproc-no}"
3117
echo "new filter support        ${avfilter-no}"
3118
echo "network support           ${network-no}"
3119
echo "threading support         ${thread_type-no}"
3120
echo "SDL support               ${sdl-no}"
3121
echo "Sun medialib support      ${mlib-no}"
3122
echo "AVISynth enabled          ${avisynth-no}"
3123
echo "frei0r enabled            ${frei0r-no}"
3124
echo "libdc1394 support         ${libdc1394-no}"
3125
echo "libdirac enabled          ${libdirac-no}"
3126
echo "libfaac enabled           ${libfaac-no}"
3127
echo "libgsm enabled            ${libgsm-no}"
3128
echo "libmp3lame enabled        ${libmp3lame-no}"
3129
echo "libnut enabled            ${libnut-no}"
3130
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3131
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3132
echo "libopencv support         ${libopencv-no}"
3133
echo "libopenjpeg enabled       ${libopenjpeg-no}"
3134
echo "librtmp enabled           ${librtmp-no}"
3135
echo "libschroedinger enabled   ${libschroedinger-no}"
3136
echo "libspeex enabled          ${libspeex-no}"
3137
echo "libtheora enabled         ${libtheora-no}"
3138
echo "libvorbis enabled         ${libvorbis-no}"
3139
echo "libvpx enabled            ${libvpx-no}"
3140
echo "libx264 enabled           ${libx264-no}"
3141
echo "libxavs enabled           ${libxavs-no}"
3142
echo "libxvid enabled           ${libxvid-no}"
3143
echo "zlib enabled              ${zlib-no}"
3144
echo "bzlib enabled             ${bzlib-no}"
3145
echo
3146

    
3147
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3148
    echo "Enabled ${type}s:"
3149
    eval list=\$$(toupper $type)_LIST
3150
    print_enabled '_*' $list | sort | pr -3 -t
3151
    echo
3152
done
3153

    
3154
license="LGPL version 2.1 or later"
3155
if enabled nonfree; then
3156
    license="nonfree and unredistributable"
3157
elif enabled gplv3; then
3158
    license="GPL version 3 or later"
3159
elif enabled lgplv3; then
3160
    license="LGPL version 3 or later"
3161
elif enabled gpl; then
3162
    license="GPL version 2 or later"
3163
fi
3164

    
3165
echo "License: $license"
3166

    
3167
echo "Creating config.mak and config.h..."
3168

    
3169
# build tree in object directory if source path is different from current one
3170
if enabled source_path_used; then
3171
    DIRS="
3172
        doc
3173
        libavcodec
3174
        libavcodec/$arch
3175
        libavdevice
3176
        libavfilter
3177
        libavfilter/$arch
3178
        libavformat
3179
        libavutil
3180
        libavutil/$arch
3181
        libpostproc
3182
        libswscale
3183
        libswscale/$arch
3184
        tests
3185
        tools
3186
    "
3187
    FILES="
3188
        Makefile
3189
        common.mak
3190
        subdir.mak
3191
        doc/texi2pod.pl
3192
        libavcodec/Makefile
3193
        libavcodec/${arch}/Makefile
3194
        libavdevice/Makefile
3195
        libavfilter/Makefile
3196
        libavfilter/${arch}/Makefile
3197
        libavformat/Makefile
3198
        libavutil/Makefile
3199
        libpostproc/Makefile
3200
        libswscale/Makefile
3201
    "
3202
    map 'mkdir -p $v' $DIRS;
3203
    map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3204
fi
3205

    
3206
enabled stripping || strip="echo skipping strip"
3207

    
3208
config_files="$TMPH config.mak"
3209

    
3210
cat > config.mak <<EOF
3211
# Automatically generated by configure - do not modify!
3212
ifndef FFMPEG_CONFIG_MAK
3213
FFMPEG_CONFIG_MAK=1
3214
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3215
prefix=$prefix
3216
LIBDIR=\$(DESTDIR)$libdir
3217
SHLIBDIR=\$(DESTDIR)$shlibdir
3218
INCDIR=\$(DESTDIR)$incdir
3219
BINDIR=\$(DESTDIR)$bindir
3220
DATADIR=\$(DESTDIR)$datadir
3221
MANDIR=\$(DESTDIR)$mandir
3222
SRC_PATH="$source_path"
3223
SRC_PATH_BARE=$source_path
3224
BUILD_ROOT="$PWD"
3225
CC_IDENT=$cc_ident
3226
ARCH=$arch
3227
CC=$cc
3228
AS=$as
3229
LD=$ld
3230
DEPCC=$dep_cc
3231
YASM=$yasmexe
3232
YASMDEP=$yasmexe
3233
AR=$ar
3234
RANLIB=$ranlib
3235
CP=cp -p
3236
LN_S=$ln_s
3237
STRIP=$strip
3238
CPPFLAGS=$CPPFLAGS
3239
CFLAGS=$CFLAGS
3240
ASFLAGS=$ASFLAGS
3241
CC_O=$CC_O
3242
LDFLAGS=$LDFLAGS
3243
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3244
SHFLAGS=$SHFLAGS
3245
YASMFLAGS=$YASMFLAGS
3246
BUILDSUF=$build_suffix
3247
FULLNAME=$FULLNAME
3248
LIBPREF=$LIBPREF
3249
LIBSUF=$LIBSUF
3250
LIBNAME=$LIBNAME
3251
SLIBPREF=$SLIBPREF
3252
SLIBSUF=$SLIBSUF
3253
EXESUF=$EXESUF
3254
EXTRA_VERSION=$extra_version
3255
DEPFLAGS=$DEPFLAGS
3256
CCDEP=$CCDEP
3257
ASDEP=$ASDEP
3258
CC_DEPFLAGS=$CC_DEPFLAGS
3259
AS_DEPFLAGS=$AS_DEPFLAGS
3260
HOSTCC=$host_cc
3261
HOSTCFLAGS=$host_cflags
3262
HOSTEXESUF=$HOSTEXESUF
3263
HOSTLDFLAGS=$host_ldflags
3264
HOSTLIBS=$host_libs
3265
TARGET_EXEC=$target_exec
3266
TARGET_PATH=$target_path
3267
SDL_LIBS=$sdl_libs
3268
SDL_CFLAGS=$sdl_cflags
3269
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3270
EXTRALIBS=$extralibs
3271
INSTALL=install
3272
LIBTARGET=${LIBTARGET}
3273
SLIBNAME=${SLIBNAME}
3274
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3275
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3276
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3277
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3278
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3279
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3280
SAMPLES=${samples:-\$(FATE_SAMPLES)}
3281
EOF
3282

    
3283
get_version(){
3284
    name=$1
3285
    file=$source_path/$2
3286
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3287
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3288
    lcname=$(tolower $name)
3289
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3290
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3291
}
3292

    
3293
get_version LIBSWSCALE  libswscale/swscale.h
3294
get_version LIBPOSTPROC libpostproc/postprocess.h
3295
get_version LIBAVCODEC  libavcodec/avcodec.h
3296
get_version LIBAVDEVICE libavdevice/avdevice.h
3297
get_version LIBAVFORMAT libavformat/version.h
3298
get_version LIBAVUTIL   libavutil/avutil.h
3299
get_version LIBAVFILTER libavfilter/avfilter.h
3300

    
3301
cat > $TMPH <<EOF
3302
/* Automatically generated by configure - do not modify! */
3303
#ifndef FFMPEG_CONFIG_H
3304
#define FFMPEG_CONFIG_H
3305
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3306
#define FFMPEG_LICENSE "$(c_escape $license)"
3307
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3308
#define CC_TYPE "$cc_type"
3309
#define CC_VERSION $cc_version
3310
#define restrict $_restrict
3311
#define EXTERN_PREFIX "${extern_prefix}"
3312
#define EXTERN_ASM ${extern_prefix}
3313
#define SLIBSUF "$SLIBSUF"
3314
EOF
3315

    
3316
test -n "$malloc_prefix" &&
3317
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3318

    
3319
if enabled small || disabled optimizations; then
3320
    echo "#undef  av_always_inline"  >> $TMPH
3321
    if enabled small; then
3322
        echo "#define av_always_inline inline"  >> $TMPH
3323
    else
3324
        echo "#define av_always_inline av_unused"  >> $TMPH
3325
    fi
3326
fi
3327

    
3328
if enabled yasm; then
3329
    append config_files $TMPASM
3330
    printf '' >$TMPASM
3331
fi
3332

    
3333
print_config ARCH_   "$config_files" $ARCH_LIST
3334
print_config HAVE_   "$config_files" $HAVE_LIST
3335
print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3336
                                     $CONFIG_EXTRA      \
3337
                                     $DECODER_LIST      \
3338
                                     $ENCODER_LIST      \
3339
                                     $HWACCEL_LIST      \
3340
                                     $PARSER_LIST       \
3341
                                     $BSF_LIST          \
3342
                                     $DEMUXER_LIST      \
3343
                                     $MUXER_LIST        \
3344
                                     $FILTER_LIST       \
3345
                                     $PROTOCOL_LIST     \
3346
                                     $INDEV_LIST        \
3347
                                     $OUTDEV_LIST       \
3348

    
3349
cat >>config.mak <<EOF
3350
ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3351
VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3352
LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3353
LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3354
SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3355
EOF
3356

    
3357
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3358
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3359

    
3360
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3361
cp_if_changed $TMPH config.h
3362
touch .config
3363

    
3364
enabled yasm && cp_if_changed $TMPASM config.asm
3365

    
3366
cat > $TMPH <<EOF
3367
/* Generated by ffconf */
3368
#ifndef AVUTIL_AVCONFIG_H
3369
#define AVUTIL_AVCONFIG_H
3370
EOF
3371

    
3372
print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3373

    
3374
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3375

    
3376
cp_if_changed $TMPH libavutil/avconfig.h
3377

    
3378
test -n "$WARNINGS" && printf "\n$WARNINGS"
3379

    
3380
# build pkg-config files
3381

    
3382
pkgconfig_generate(){
3383
name=$1
3384
shortname=${name#lib}${build_suffix}
3385
comment=$2
3386
version=$3
3387
libs=$4
3388
requires=$5
3389
enabled ${name#lib} || return 0
3390
cat <<EOF > $name/$name.pc
3391
prefix=$prefix
3392
exec_prefix=\${prefix}
3393
libdir=$libdir
3394
includedir=$incdir
3395

    
3396
Name: $name
3397
Description: $comment
3398
Version: $version
3399
Requires: $(enabled shared || echo $requires)
3400
Requires.private: $(enabled shared && echo $requires)
3401
Conflicts:
3402
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3403
Libs.private: $(enabled shared && echo $libs)
3404
Cflags: -I\${includedir}
3405
EOF
3406
cat <<EOF > $name/$name-uninstalled.pc
3407
prefix=
3408
exec_prefix=
3409
libdir=\${pcfiledir}
3410
includedir=${source_path}
3411

    
3412
Name: $name
3413
Description: $comment
3414
Version: $version
3415
Requires: $requires
3416
Conflicts:
3417
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3418
Cflags: -I\${includedir}
3419
EOF
3420
}
3421

    
3422
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3423
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
3424
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3425
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3426
pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3427
pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3428
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"