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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

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

    
62
Standard options:
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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
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  --disable-ffprobe        disable ffprobe build
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  --disable-ffserver       disable ffserver build
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  --disable-avdevice       disable libavdevice build
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  --disable-avcodec        disable libavcodec build
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  --disable-avcore         disable libavcore build
90
  --disable-avformat       disable libavformat build
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  --disable-swscale        disable libswscale build
92
  --enable-postproc        enable GPLed postprocessing support [no]
93
  --disable-avfilter       disable video filter support [no]
94
  --disable-pthreads       disable pthreads [auto]
95
  --enable-w32threads      use Win32 threads [no]
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  --enable-x11grab         enable X11 grabbing [no]
97
  --disable-network        disable network support [no]
98
  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
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  --enable-gray            enable full grayscale support (slower color)
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  --disable-swscale-alpha  disable alpha channel support in swscale
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  --disable-fastdiv        disable table-based division
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  --enable-small           optimize for size instead of speed
103
  --disable-aandct         disable AAN DCT code
104
  --disable-dct            disable DCT code
105
  --disable-fft            disable FFT code
106
  --disable-golomb         disable Golomb code
107
  --disable-huffman        disable Huffman code
108
  --disable-lpc            disable LPC code
109
  --disable-mdct           disable MDCT code
110
  --disable-rdft           disable RDFT code
111
  --disable-vaapi          disable VAAPI code
112
  --disable-vdpau          disable VDPAU code
113
  --disable-dxva2          disable DXVA2 code
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  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
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  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116
  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
117
  --disable-everything     disable all components listed below
118
  --disable-encoder=NAME   disable encoder NAME
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  --enable-encoder=NAME    enable encoder NAME
120
  --disable-encoders       disable all encoders
121
  --disable-decoder=NAME   disable decoder NAME
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  --enable-decoder=NAME    enable decoder NAME
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  --disable-decoders       disable all decoders
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  --disable-hwaccel=NAME   disable hwaccel NAME
125
  --enable-hwaccel=NAME    enable hwaccel NAME
126
  --disable-hwaccels       disable all hwaccels
127
  --disable-muxer=NAME     disable muxer NAME
128
  --enable-muxer=NAME      enable muxer NAME
129
  --disable-muxers         disable all muxers
130
  --disable-demuxer=NAME   disable demuxer NAME
131
  --enable-demuxer=NAME    enable demuxer NAME
132
  --disable-demuxers       disable all demuxers
133
  --enable-parser=NAME     enable parser NAME
134
  --disable-parser=NAME    disable parser NAME
135
  --disable-parsers        disable all parsers
136
  --enable-bsf=NAME        enable bitstream filter NAME
137
  --disable-bsf=NAME       disable bitstream filter NAME
138
  --disable-bsfs           disable all bitstream filters
139
  --enable-protocol=NAME   enable protocol NAME
140
  --disable-protocol=NAME  disable protocol NAME
141
  --disable-protocols      disable all protocols
142
  --disable-indev=NAME     disable input device NAME
143
  --disable-outdev=NAME    disable output device NAME
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  --disable-indevs         disable input devices
145
  --disable-outdevs        disable output devices
146
  --disable-devices        disable all devices
147
  --enable-filter=NAME     enable filter NAME
148
  --disable-filter=NAME    disable filter NAME
149
  --disable-filters        disable all filters
150
  --list-decoders          show all available decoders
151
  --list-encoders          show all available encoders
152
  --list-hwaccels          show all available hardware accelerators
153
  --list-muxers            show all available muxers
154
  --list-demuxers          show all available demuxers
155
  --list-parsers           show all available parsers
156
  --list-protocols         show all available protocols
157
  --list-bsfs              show all available bitstream filters
158
  --list-indevs            show all available input devices
159
  --list-outdevs           show all available output devices
160
  --list-filters           show all available filters
161

    
162
External library support:
163
  --enable-avisynth        enable reading of AVISynth script files [no]
164
  --enable-bzlib           enable bzlib [autodetect]
165
  --enable-frei0r          enable frei0r video filtering
166
  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168
  --enable-libopencv       enable video filtering via libopencv [no]
169
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
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                           and libraw1394 [no]
171
  --enable-libdirac        enable Dirac support via libdirac [no]
172
  --enable-libfaac         enable FAAC support via libfaac [no]
173
  --enable-libgsm          enable GSM support via libgsm [no]
174
  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
175
  --enable-libnut          enable NUT (de)muxing via libnut,
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                           native (de)muxer exists [no]
177
  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
178
  --enable-librtmp         enable RTMP[E] support via librtmp [no]
179
  --enable-libschroedinger enable Dirac support via libschroedinger [no]
180
  --enable-libspeex        enable Speex decoding via libspeex [no]
181
  --enable-libtheora       enable Theora encoding via libtheora [no]
182
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
183
                           native implementation exists [no]
184
  --enable-libvpx          enable VP8 support via libvpx [no]
185
  --enable-libx264         enable H.264 encoding via x264 [no]
186
  --enable-libxavs         enable AVS encoding via xavs [no]
187
  --enable-libxvid         enable Xvid encoding via xvidcore,
188
                           native MPEG-4/Xvid encoder exists [no]
189
  --enable-mlib            enable Sun medialib [no]
190
  --enable-zlib            enable zlib [autodetect]
191

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

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

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

    
253
quotes='""'
254

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

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

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

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

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

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

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

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

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

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

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

    
324
filter_out(){
325
    pat=$1
326
    shift
327
    for v; do
328
        eval "case $v in $pat) ;; *) echo $v ;; esac"
329
    done
330
}
331

    
332
map(){
333
    m=$1
334
    shift
335
    for v; do eval $m; done
336
}
337

    
338
set_all(){
339
    value=$1
340
    shift
341
    for var in $*; do
342
        eval $var=$value
343
    done
344
}
345

    
346
set_weak(){
347
    value=$1
348
    shift
349
    for var; do
350
        eval : \${$var:=$value}
351
    done
352
}
353

    
354
pushvar(){
355
    for var in $*; do
356
        eval level=\${${var}_level:=0}
357
        eval ${var}_${level}="\$$var"
358
        eval ${var}_level=$(($level+1))
359
    done
360
}
361

    
362
popvar(){
363
    for var in $*; do
364
        eval level=\${${var}_level:-0}
365
        test $level = 0 && continue
366
        eval level=$(($level-1))
367
        eval $var="\${${var}_${level}}"
368
        eval ${var}_level=$level
369
        eval unset ${var}_${level}
370
    done
371
}
372

    
373
enable(){
374
    set_all yes $*
375
}
376

    
377
disable(){
378
    set_all no $*
379
}
380

    
381
enable_weak(){
382
    set_weak yes $*
383
}
384

    
385
disable_weak(){
386
    set_weak no $*
387
}
388

    
389
enable_safe(){
390
    for var; do
391
        enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
392
    done
393
}
394

    
395
disable_safe(){
396
    for var; do
397
        disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
398
    done
399
}
400

    
401
do_enable_deep(){
402
    for var; do
403
        enabled $var && continue
404
        eval sel="\$${var}_select"
405
        eval sgs="\$${var}_suggest"
406
        pushvar var sgs
407
        enable_deep $sel
408
        popvar sgs
409
        enable_deep_weak $sgs
410
        popvar var
411
    done
412
}
413

    
414
enable_deep(){
415
    do_enable_deep $*
416
    enable $*
417
}
418

    
419
enable_deep_weak(){
420
    do_enable_deep $*
421
    enable_weak $*
422
}
423

    
424
enabled(){
425
    test "${1#!}" = "$1" && op== || op=!=
426
    eval test "x\$${1#!}" $op "xyes"
427
}
428

    
429
disabled(){
430
    test "${1#!}" = "$1" && op== || op=!=
431
    eval test "x\$${1#!}" $op "xno"
432
}
433

    
434
enabled_all(){
435
    for opt; do
436
        enabled $opt || return 1
437
    done
438
}
439

    
440
disabled_all(){
441
    for opt; do
442
        disabled $opt || return 1
443
    done
444
}
445

    
446
enabled_any(){
447
    for opt; do
448
        enabled $opt && return 0
449
    done
450
}
451

    
452
disabled_any(){
453
    for opt; do
454
        disabled $opt && return 0
455
    done
456
    return 1
457
}
458

    
459
set_default(){
460
    for opt; do
461
        eval : \${$opt:=\$${opt}_default}
462
    done
463
}
464

    
465
is_in(){
466
    value=$1
467
    shift
468
    for var in $*; do
469
        [ $var = $value ] && return 0
470
    done
471
    return 1
472
}
473

    
474
check_deps(){
475
    for cfg; do
476
        cfg="${cfg#!}"
477
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
478
        disabled ${cfg}_checking && continue
479
        enable ${cfg}_checking
480

    
481
        eval dep_all="\$${cfg}_deps"
482
        eval dep_any="\$${cfg}_deps_any"
483
        eval dep_sel="\$${cfg}_select"
484
        eval dep_sgs="\$${cfg}_suggest"
485
        eval dep_ifa="\$${cfg}_if"
486
        eval dep_ifn="\$${cfg}_if_any"
487

    
488
        pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
489
        check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
490
        popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
491

    
492
        [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
493
        [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
494
        enabled_all  $dep_all || disable $cfg
495
        enabled_any  $dep_any || disable $cfg
496
        disabled_any $dep_sel && disable $cfg
497

    
498
        if enabled $cfg; then
499
            eval dep_extralibs="\$${cfg}_extralibs"
500
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
501
            enable_deep $dep_sel
502
            enable_deep_weak $dep_sgs
503
        fi
504

    
505
        disable ${cfg}_checking
506
    done
507
}
508

    
509
print_config_h(){
510
    enabled $1 && v=1 || v=0
511
    echo "#define $2 $v"
512
}
513

    
514
print_config_mak(){
515
    enabled $1 && v= || v=!
516
    echo "$v$2=yes"
517
}
518

    
519
print_config_asm(){
520
    enabled $1 && echo "%define $2"
521
}
522

    
523
print_config(){
524
    pfx=$1
525
    files=$2
526
    shift 2
527
    for cfg; do
528
        ucname="$(toupper $cfg)"
529
        for f in $files; do
530
            "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
531
        done
532
    done
533
}
534

    
535
print_enabled(){
536
    test "$1" = -n && end=" " && shift || end="\n"
537
    suf=$1
538
    shift
539
    for v; do
540
        enabled $v && printf "%s$end" ${v%$suf};
541
    done
542
}
543

    
544
append(){
545
    var=$1
546
    shift
547
    eval "$var=\"\$$var $*\""
548
}
549

    
550
prepend(){
551
    var=$1
552
    shift
553
    eval "$var=\"$* \$$var\""
554
}
555

    
556
add_cppflags(){
557
    append CPPFLAGS $($filter_cppflags "$@")
558
}
559

    
560
add_cflags(){
561
    append CFLAGS $($filter_cflags "$@")
562
}
563

    
564
add_asflags(){
565
    append ASFLAGS $($filter_asflags "$@")
566
}
567

    
568
add_ldflags(){
569
    append LDFLAGS "$@"
570
}
571

    
572
add_extralibs(){
573
    prepend extralibs "$@"
574
}
575

    
576
check_cmd(){
577
    log "$@"
578
    "$@" >> $logfile 2>&1
579
}
580

    
581
check_cc(){
582
    log check_cc "$@"
583
    cat > $TMPC
584
    log_file $TMPC
585
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
586
}
587

    
588
check_cpp(){
589
    log check_cpp "$@"
590
    cat > $TMPC
591
    log_file $TMPC
592
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
593
}
594

    
595
check_as(){
596
    log check_as "$@"
597
    cat > $TMPC
598
    log_file $TMPC
599
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
600
}
601

    
602
check_asm(){
603
    log check_asm "$@"
604
    name="$1"
605
    code="$2"
606
    shift 2
607
    disable $name
608
    check_as "$@" <<EOF && enable $name
609
void foo(void){ __asm__ volatile($code); }
610
EOF
611
}
612

    
613
check_yasm(){
614
    log check_yasm "$@"
615
    echo "$1" > $TMPS
616
    log_file $TMPS
617
    shift 1
618
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
619
}
620

    
621
check_ld(){
622
    log check_ld "$@"
623
    flags=''
624
    libs=''
625
    for f; do
626
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
627
    done
628
    check_cc $($filter_cflags $flags) || return
629
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
630
}
631

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

    
640
check_cflags(){
641
    log check_cflags "$@"
642
    set -- $($filter_cflags "$@")
643
    check_cc "$@" <<EOF && append CFLAGS "$@"
644
int x;
645
EOF
646
}
647

    
648
test_ldflags(){
649
    log test_ldflags "$@"
650
    check_ld "$@" <<EOF
651
int main(void){ return 0; }
652
EOF
653
}
654

    
655
check_ldflags(){
656
    log check_ldflags "$@"
657
    test_ldflags "$@" && add_ldflags "$@"
658
}
659

    
660
check_header(){
661
    log check_header "$@"
662
    header=$1
663
    shift
664
    disable_safe $header
665
    check_cpp "$@" <<EOF && enable_safe $header
666
#include <$header>
667
int x;
668
EOF
669
}
670

    
671
check_func(){
672
    log check_func "$@"
673
    func=$1
674
    shift
675
    disable $func
676
    check_ld "$@" <<EOF && enable $func
677
extern int $func();
678
int main(void){ $func(); }
679
EOF
680
}
681

    
682
check_mathfunc(){
683
    log check_mathfunc "$@"
684
    func=$1
685
    shift
686
    disable $func
687
    check_ld "$@" <<EOF && enable $func
688
#include <math.h>
689
float foo(float f) { return $func(f); }
690
int main(void){ return 0; }
691
EOF
692
}
693

    
694
check_func_headers(){
695
    log check_func_headers "$@"
696
    headers=$1
697
    func=$2
698
    shift 2
699
    disable $func
700
    incs=""
701
    for hdr in $headers; do
702
        incs="$incs
703
#include <$hdr>"
704
    done
705
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
706
$incs
707
int main(int argc, char **argv){
708
    return (long) $func;
709
}
710
EOF
711
}
712

    
713
check_cpp_condition(){
714
    log check_cpp_condition "$@"
715
    header=$1
716
    condition=$2
717
    shift 2
718
    check_cpp $($filter_cppflags "$@") <<EOF
719
#include <$header>
720
#if !($condition)
721
#error "unsatisfied condition: $condition"
722
#endif
723
EOF
724
}
725

    
726
check_lib(){
727
    log check_lib "$@"
728
    header="$1"
729
    func="$2"
730
    shift 2
731
    check_header $header && check_func $func "$@" && add_extralibs "$@"
732
}
733

    
734
check_lib2(){
735
    log check_lib2 "$@"
736
    headers="$1"
737
    func="$2"
738
    shift 2
739
    check_func_headers "$headers" $func "$@" && add_extralibs "$@"
740
}
741

    
742
check_exec(){
743
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
744
}
745

    
746
check_exec_crash(){
747
    code=$(cat)
748

    
749
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
750
    # are safe but may not be available everywhere.  Thus we use
751
    # raise(SIGTERM) instead.  The check is run in a subshell so we
752
    # can redirect the "Terminated" message from the shell.  SIGBUS
753
    # is not defined by standard C so it is used conditionally.
754

    
755
    (check_exec "$@") >> $logfile 2>&1 <<EOF
756
#include <signal.h>
757
static void sighandler(int sig){
758
    raise(SIGTERM);
759
}
760
int main(void){
761
    signal(SIGILL, sighandler);
762
    signal(SIGFPE, sighandler);
763
    signal(SIGSEGV, sighandler);
764
#ifdef SIGBUS
765
    signal(SIGBUS, sighandler);
766
#endif
767
    { $code }
768
}
769
EOF
770
}
771

    
772
check_type(){
773
    log check_type "$@"
774
    headers=$1
775
    type=$2
776
    shift 2
777
    disable_safe "$type"
778
    incs=""
779
    for hdr in $headers; do
780
        incs="$incs
781
#include <$hdr>"
782
    done
783
    check_cc "$@" <<EOF && enable_safe "$type"
784
$incs
785
$type v;
786
EOF
787
}
788

    
789
check_struct(){
790
    log check_type "$@"
791
    headers=$1
792
    struct=$2
793
    member=$3
794
    shift 3
795
    disable_safe "${struct}_${member}"
796
    incs=""
797
    for hdr in $headers; do
798
        incs="$incs
799
#include <$hdr>"
800
    done
801
    check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
802
$incs
803
const void *p = &(($struct *)0)->$member;
804
EOF
805
}
806

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

    
815
require2(){
816
    name="$1"
817
    headers="$2"
818
    func="$3"
819
    shift 3
820
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
821
}
822

    
823
check_host_cc(){
824
    log check_host_cc "$@"
825
    cat > $TMPC
826
    log_file $TMPC
827
    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
828
}
829

    
830
check_host_cflags(){
831
    log check_host_cflags "$@"
832
    check_host_cc "$@" <<EOF && append host_cflags "$@"
833
int x;
834
EOF
835
}
836

    
837
apply(){
838
    file=$1
839
    shift
840
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
841
}
842

    
843
cp_if_changed(){
844
    cmp -s "$1" "$2" &&
845
        echo "$2 is unchanged" ||
846
        cp -f "$1" "$2"
847
}
848

    
849
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
850
# system-dependent things.
851

    
852
COMPONENT_LIST="
853
    bsfs
854
    decoders
855
    demuxers
856
    encoders
857
    filters
858
    hwaccels
859
    indevs
860
    muxers
861
    outdevs
862
    parsers
863
    protocols
864
"
865

    
866
CONFIG_LIST="
867
    $COMPONENT_LIST
868
    aandct
869
    avcodec
870
    avcore
871
    avdevice
872
    avfilter
873
    avformat
874
    avisynth
875
    bzlib
876
    dct
877
    doc
878
    dwt
879
    dxva2
880
    fastdiv
881
    ffmpeg
882
    ffplay
883
    ffprobe
884
    ffserver
885
    fft
886
    frei0r
887
    golomb
888
    gpl
889
    gray
890
    h264dsp
891
    h264pred
892
    hardcoded_tables
893
    huffman
894
    libdc1394
895
    libdirac
896
    libfaac
897
    libgsm
898
    libmp3lame
899
    libnut
900
    libopencore_amrnb
901
    libopencore_amrwb
902
    libopencv
903
    libopenjpeg
904
    librtmp
905
    libschroedinger
906
    libspeex
907
    libtheora
908
    libvorbis
909
    libvpx
910
    libx264
911
    libxavs
912
    libxvid
913
    lpc
914
    lsp
915
    mdct
916
    memalign_hack
917
    mlib
918
    mpegaudio_hp
919
    network
920
    nonfree
921
    pic
922
    postproc
923
    rdft
924
    rtpdec
925
    runtime_cpudetect
926
    shared
927
    small
928
    sram
929
    static
930
    swscale
931
    swscale_alpha
932
    vaapi
933
    vdpau
934
    version3
935
    x11grab
936
    zlib
937
"
938

    
939
THREADS_LIST='
940
    pthreads
941
    w32threads
942
'
943

    
944
ARCH_LIST='
945
    alpha
946
    arm
947
    avr32
948
    avr32_ap
949
    avr32_uc
950
    bfin
951
    ia64
952
    m68k
953
    mips
954
    mips64
955
    parisc
956
    ppc
957
    ppc64
958
    s390
959
    sh4
960
    sparc
961
    sparc64
962
    tomi
963
    x86
964
    x86_32
965
    x86_64
966
'
967

    
968
ARCH_EXT_LIST='
969
    altivec
970
    amd3dnow
971
    amd3dnowext
972
    armv5te
973
    armv6
974
    armv6t2
975
    armvfp
976
    iwmmxt
977
    mmi
978
    mmx
979
    mmx2
980
    neon
981
    ppc4xx
982
    sse
983
    ssse3
984
    vis
985
'
986

    
987
HAVE_LIST_PUB='
988
    bigendian
989
    fast_unaligned
990
'
991

    
992
HAVE_LIST="
993
    $ARCH_EXT_LIST
994
    $HAVE_LIST_PUB
995
    $THREADS_LIST
996
    aligned_stack
997
    alsa_asoundlib_h
998
    altivec_h
999
    arpa_inet_h
1000
    attribute_may_alias
1001
    attribute_packed
1002
    bswap
1003
    closesocket
1004
    cmov
1005
    conio_h
1006
    dcbzl
1007
    dev_bktr_ioctl_bt848_h
1008
    dev_bktr_ioctl_meteor_h
1009
    dev_ic_bt8xx_h
1010
    dev_video_meteor_ioctl_meteor_h
1011
    dev_video_bktr_ioctl_bt848_h
1012
    dlfcn_h
1013
    dlopen
1014
    dos_paths
1015
    ebp_available
1016
    ebx_available
1017
    exp2
1018
    exp2f
1019
    fast_64bit
1020
    fast_clz
1021
    fast_cmov
1022
    fcntl
1023
    fork
1024
    getaddrinfo
1025
    gethrtime
1026
    GetProcessMemoryInfo
1027
    GetProcessTimes
1028
    getrusage
1029
    gnu_as
1030
    struct_rusage_ru_maxrss
1031
    ibm_asm
1032
    inet_aton
1033
    inline_asm
1034
    isatty
1035
    ldbrx
1036
    libdc1394_1
1037
    libdc1394_2
1038
    llrint
1039
    llrintf
1040
    local_aligned_16
1041
    local_aligned_8
1042
    log2
1043
    log2f
1044
    loongson
1045
    lrint
1046
    lrintf
1047
    lzo1x_999_compress
1048
    machine_ioctl_bt848_h
1049
    machine_ioctl_meteor_h
1050
    malloc_h
1051
    MapViewOfFile
1052
    memalign
1053
    mkstemp
1054
    mmap
1055
    pld
1056
    posix_memalign
1057
    round
1058
    roundf
1059
    sdl
1060
    sdl_video_size
1061
    setmode
1062
    socklen_t
1063
    soundcard_h
1064
    poll_h
1065
    setrlimit
1066
    strerror_r
1067
    strtok_r
1068
    struct_addrinfo
1069
    struct_ipv6_mreq
1070
    struct_sockaddr_in6
1071
    struct_sockaddr_sa_len
1072
    struct_sockaddr_storage
1073
    symver
1074
    symver_gnu_asm
1075
    symver_asm_label
1076
    sys_mman_h
1077
    sys_resource_h
1078
    sys_select_h
1079
    sys_soundcard_h
1080
    sys_videoio_h
1081
    ten_operands
1082
    termios_h
1083
    threads
1084
    truncf
1085
    vfp_args
1086
    VirtualAlloc
1087
    winsock2_h
1088
    xform_asm
1089
    xmm_clobbers
1090
    yasm
1091
"
1092

    
1093
# options emitted with CONFIG_ prefix but not available on command line
1094
CONFIG_EXTRA="
1095
    avutil
1096
    gplv3
1097
    lgplv3
1098
"
1099

    
1100
CMDLINE_SELECT="
1101
    $ARCH_EXT_LIST
1102
    $CONFIG_LIST
1103
    $THREADS_LIST
1104
    asm
1105
    cross_compile
1106
    debug
1107
    extra_warnings
1108
    logging
1109
    optimizations
1110
    stripping
1111
    symver
1112
    yasm
1113
"
1114

    
1115
PATHS_LIST='
1116
    bindir
1117
    datadir
1118
    incdir
1119
    libdir
1120
    mandir
1121
    prefix
1122
    shlibdir
1123
'
1124

    
1125
CMDLINE_SET="
1126
    $PATHS_LIST
1127
    ar
1128
    arch
1129
    as
1130
    build_suffix
1131
    cc
1132
    cpu
1133
    cross_prefix
1134
    dep_cc
1135
    extra_version
1136
    host_cc
1137
    host_cflags
1138
    host_ldflags
1139
    host_libs
1140
    host_os
1141
    ld
1142
    logfile
1143
    malloc_prefix
1144
    nm
1145
    samples
1146
    source_path
1147
    strip
1148
    sysinclude
1149
    sysroot
1150
    target_exec
1151
    target_os
1152
    target_path
1153
"
1154

    
1155
CMDLINE_APPEND="
1156
    extra_cflags
1157
"
1158

    
1159
# code dependency declarations
1160

    
1161
# architecture extensions
1162

    
1163
armv5te_deps="arm"
1164
armv6_deps="arm"
1165
armv6t2_deps="arm"
1166
armvfp_deps="arm"
1167
iwmmxt_deps="arm"
1168
neon_deps="arm"
1169

    
1170
mmi_deps="mips"
1171

    
1172
altivec_deps="ppc"
1173
ppc4xx_deps="ppc"
1174

    
1175
vis_deps="sparc"
1176

    
1177
x86_64_suggest="cmov fast_cmov"
1178
amd3dnow_deps="mmx"
1179
amd3dnowext_deps="amd3dnow"
1180
mmx_deps="x86"
1181
mmx2_deps="mmx"
1182
sse_deps="mmx"
1183
ssse3_deps="sse"
1184

    
1185
aligned_stack_if_any="ppc x86"
1186
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1187
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1188
fast_unaligned_if_any="armv6 ppc x86"
1189

    
1190
need_memalign="altivec neon sse"
1191
inline_asm_deps="!tms470"
1192

    
1193
symver_if_any="symver_asm_label symver_gnu_asm"
1194

    
1195
# subsystems
1196
dct_select="rdft"
1197
mdct_select="fft"
1198
rdft_select="fft"
1199

    
1200
# decoders / encoders / hardware accelerators
1201
aac_decoder_select="mdct rdft"
1202
aac_encoder_select="mdct"
1203
aac_latm_decoder_select="aac_decoder aac_latm_parser"
1204
ac3_decoder_select="mdct ac3_parser"
1205
ac3_encoder_select="mdct"
1206
alac_encoder_select="lpc"
1207
amrnb_decoder_select="lsp"
1208
amrwb_decoder_select="lsp"
1209
atrac1_decoder_select="mdct"
1210
atrac3_decoder_select="mdct"
1211
binkaudio_dct_decoder_select="mdct rdft dct"
1212
binkaudio_rdft_decoder_select="mdct rdft"
1213
cavs_decoder_select="golomb"
1214
cook_decoder_select="mdct"
1215
cscd_decoder_suggest="zlib"
1216
dca_decoder_select="mdct"
1217
dnxhd_encoder_select="aandct"
1218
dxa_decoder_select="zlib"
1219
eac3_decoder_select="ac3_decoder"
1220
eamad_decoder_select="aandct"
1221
eatgq_decoder_select="aandct"
1222
eatqi_decoder_select="aandct"
1223
ffv1_decoder_select="golomb"
1224
flac_decoder_select="golomb"
1225
flac_encoder_select="golomb lpc"
1226
flashsv_decoder_select="zlib"
1227
flashsv_encoder_select="zlib"
1228
flv_decoder_select="h263_decoder"
1229
flv_encoder_select="h263_encoder"
1230
fraps_decoder_select="huffman"
1231
h261_encoder_select="aandct"
1232
h263_decoder_select="h263_parser"
1233
h263_encoder_select="aandct"
1234
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1235
h263i_decoder_select="h263_decoder"
1236
h263p_encoder_select="h263_encoder"
1237
h264_decoder_select="golomb h264dsp h264pred"
1238
h264_dxva2_hwaccel_deps="dxva2api_h"
1239
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1240
h264_vaapi_hwaccel_select="vaapi"
1241
h264_vdpau_decoder_select="vdpau h264_decoder"
1242
imc_decoder_select="fft mdct"
1243
jpegls_decoder_select="golomb"
1244
jpegls_encoder_select="golomb"
1245
ljpeg_encoder_select="aandct"
1246
loco_decoder_select="golomb"
1247
mjpeg_encoder_select="aandct"
1248
mlp_decoder_select="mlp_parser"
1249
mp1float_decoder_select="dct"
1250
mp2float_decoder_select="dct"
1251
mp3adufloat_decoder_select="dct"
1252
mp3float_decoder_select="dct"
1253
mp3on4float_decoder_select="dct"
1254
mpeg1video_encoder_select="aandct"
1255
mpeg2video_encoder_select="aandct"
1256
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1257
mpeg4_encoder_select="h263_encoder"
1258
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1259
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1260
mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1261
mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1262
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1263
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1264
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1265
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1266
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1267
msmpeg4v1_decoder_select="h263_decoder"
1268
msmpeg4v1_encoder_select="h263_encoder"
1269
msmpeg4v2_decoder_select="h263_decoder"
1270
msmpeg4v2_encoder_select="h263_encoder"
1271
msmpeg4v3_decoder_select="h263_decoder"
1272
msmpeg4v3_encoder_select="h263_encoder"
1273
nellymoser_decoder_select="mdct"
1274
nellymoser_encoder_select="mdct"
1275
png_decoder_select="zlib"
1276
png_encoder_select="zlib"
1277
qcelp_decoder_select="lsp"
1278
qdm2_decoder_select="mdct rdft"
1279
ra_144_encoder_select="lpc"
1280
rv10_decoder_select="h263_decoder"
1281
rv10_encoder_select="h263_encoder"
1282
rv20_decoder_select="h263_decoder"
1283
rv20_encoder_select="h263_encoder"
1284
rv30_decoder_select="golomb h264pred"
1285
rv40_decoder_select="golomb h264pred"
1286
shorten_decoder_select="golomb"
1287
sipr_decoder_select="lsp"
1288
snow_decoder_select="dwt"
1289
snow_encoder_select="aandct dwt"
1290
sonic_decoder_select="golomb"
1291
sonic_encoder_select="golomb"
1292
sonic_ls_encoder_select="golomb"
1293
svq1_encoder_select="aandct"
1294
svq3_decoder_select="golomb h264dsp h264pred"
1295
svq3_decoder_suggest="zlib"
1296
theora_decoder_select="vp3_decoder"
1297
tiff_decoder_suggest="zlib"
1298
tiff_encoder_suggest="zlib"
1299
truehd_decoder_select="mlp_decoder"
1300
tscc_decoder_select="zlib"
1301
twinvq_decoder_select="mdct lsp"
1302
vc1_decoder_select="h263_decoder"
1303
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1304
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1305
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1306
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1307
vorbis_decoder_select="mdct"
1308
vorbis_encoder_select="mdct"
1309
vp6_decoder_select="huffman"
1310
vp6a_decoder_select="vp6_decoder"
1311
vp6f_decoder_select="vp6_decoder"
1312
vp8_decoder_select="h264pred"
1313
wmapro_decoder_select="mdct"
1314
wmav1_decoder_select="mdct"
1315
wmav1_encoder_select="mdct"
1316
wmav2_decoder_select="mdct"
1317
wmav2_encoder_select="mdct"
1318
wmavoice_decoder_select="lsp rdft dct mdct"
1319
wmv1_decoder_select="h263_decoder"
1320
wmv1_encoder_select="h263_encoder"
1321
wmv2_decoder_select="h263_decoder"
1322
wmv2_encoder_select="h263_encoder"
1323
wmv3_decoder_select="vc1_decoder"
1324
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1325
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1326
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1327
zlib_decoder_select="zlib"
1328
zlib_encoder_select="zlib"
1329
zmbv_decoder_select="zlib"
1330
zmbv_encoder_select="zlib"
1331

    
1332
vaapi_deps="va_va_h"
1333
vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1334

    
1335
# parsers
1336
h264_parser_select="golomb h264dsp h264pred"
1337

    
1338
# external libraries
1339
libdirac_decoder_deps="libdirac !libschroedinger"
1340
libdirac_encoder_deps="libdirac"
1341
libfaac_encoder_deps="libfaac"
1342
libgsm_decoder_deps="libgsm"
1343
libgsm_encoder_deps="libgsm"
1344
libgsm_ms_decoder_deps="libgsm"
1345
libgsm_ms_encoder_deps="libgsm"
1346
libmp3lame_encoder_deps="libmp3lame"
1347
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1348
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1349
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1350
libopenjpeg_decoder_deps="libopenjpeg"
1351
libschroedinger_decoder_deps="libschroedinger"
1352
libschroedinger_encoder_deps="libschroedinger"
1353
libspeex_decoder_deps="libspeex"
1354
libtheora_encoder_deps="libtheora"
1355
libvorbis_encoder_deps="libvorbis"
1356
libvpx_decoder_deps="libvpx"
1357
libvpx_encoder_deps="libvpx"
1358
libx264_encoder_deps="libx264"
1359
libxavs_encoder_deps="libxavs"
1360
libxvid_encoder_deps="libxvid"
1361

    
1362
# demuxers / muxers
1363
ac3_demuxer_select="ac3_parser"
1364
asf_stream_muxer_select="asf_muxer"
1365
avisynth_demuxer_deps="avisynth"
1366
dirac_demuxer_select="dirac_parser"
1367
eac3_demuxer_select="ac3_parser"
1368
flac_demuxer_select="flac_parser"
1369
ipod_muxer_select="mov_muxer"
1370
libnut_demuxer_deps="libnut"
1371
libnut_muxer_deps="libnut"
1372
matroska_audio_muxer_select="matroska_muxer"
1373
matroska_demuxer_suggest="zlib bzlib"
1374
mov_demuxer_suggest="zlib"
1375
mp3_demuxer_select="mpegaudio_parser"
1376
mp4_muxer_select="mov_muxer"
1377
mpegtsraw_demuxer_select="mpegts_demuxer"
1378
mxf_d10_muxer_select="mxf_muxer"
1379
ogg_demuxer_select="golomb"
1380
psp_muxer_select="mov_muxer"
1381
rtp_demuxer_select="sdp_demuxer"
1382
rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1383
rtsp_demuxer_select="http_protocol rtpdec"
1384
rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1385
sap_demuxer_select="sdp_demuxer"
1386
sap_muxer_select="rtp_muxer rtp_protocol"
1387
sdp_demuxer_select="rtpdec"
1388
spdif_muxer_select="aac_parser"
1389
tg2_muxer_select="mov_muxer"
1390
tgp_muxer_select="mov_muxer"
1391
w64_demuxer_deps="wav_demuxer"
1392

    
1393
# indevs / outdevs
1394
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1395
alsa_outdev_deps="alsa_asoundlib_h"
1396
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1397
dv1394_indev_deps="dv1394 dv_demuxer"
1398
jack_indev_deps="jack_jack_h"
1399
libdc1394_indev_deps="libdc1394"
1400
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1401
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1402
v4l_indev_deps="linux_videodev_h"
1403
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1404
vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1405
vfwcap_indev_extralibs="-lavicap32"
1406
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1407
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1408

    
1409
# protocols
1410
gopher_protocol_deps="network"
1411
http_protocol_deps="network"
1412
http_protocol_select="tcp_protocol"
1413
mmsh_protocol_select="http_protocol"
1414
mmst_protocol_deps="network"
1415
rtmp_protocol_select="tcp_protocol"
1416
rtp_protocol_select="udp_protocol"
1417
tcp_protocol_deps="network"
1418
udp_protocol_deps="network"
1419

    
1420
# filters
1421
blackframe_filter_deps="gpl"
1422
cropdetect_filter_deps="gpl"
1423
frei0r_filter_deps="frei0r dlopen strtok_r"
1424
frei0r_src_filter_deps="frei0r dlopen strtok_r"
1425
hqdn3d_filter_deps="gpl"
1426
mp_filter_deps="gpl"
1427
scale_filter_deps="swscale"
1428
ocv_filter_deps="libopencv"
1429
yadif_filter_deps="gpl"
1430

    
1431
# libraries
1432
avdevice_deps="avcodec avformat"
1433
avformat_deps="avcodec"
1434

    
1435
# programs
1436
ffmpeg_deps="avcodec avformat swscale"
1437
ffmpeg_select="buffer_filter"
1438
ffplay_deps="avcodec avformat swscale sdl"
1439
ffplay_select="rdft"
1440
ffprobe_deps="avcodec avformat"
1441
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1442
ffserver_extralibs='$ldl'
1443

    
1444
doc_deps="texi2html"
1445

    
1446
# tests
1447

    
1448
test_deps(){
1449
    suf1=$1
1450
    suf2=$2
1451
    shift 2
1452
    for v; do
1453
        dep=${v%=*}
1454
        tests=${v#*=}
1455
        for name in ${tests}; do
1456
            eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1457
        done
1458
    done
1459
}
1460

    
1461
set_ne_test_deps(){
1462
    eval ${1}_be_test_deps="bigendian"
1463
    eval ${1}_le_test_deps="!bigendian"
1464
}
1465

    
1466
test_deps _encoder _decoder                                             \
1467
    adpcm_g726=g726                                                     \
1468
    adpcm_ima_qt                                                        \
1469
    adpcm_ima_wav                                                       \
1470
    adpcm_ms                                                            \
1471
    adpcm_swf                                                           \
1472
    adpcm_yamaha=adpcm_yam                                              \
1473
    alac                                                                \
1474
    asv1                                                                \
1475
    asv2                                                                \
1476
    bmp                                                                 \
1477
    dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1478
    dvvideo="dv dv50"                                                   \
1479
    ffv1                                                                \
1480
    flac                                                                \
1481
    flashsv                                                             \
1482
    flv                                                                 \
1483
    gif                                                                 \
1484
    h261                                                                \
1485
    h263="h263 h263p"                                                   \
1486
    huffyuv                                                             \
1487
    jpegls                                                              \
1488
    mjpeg="jpg mjpeg ljpeg"                                             \
1489
    mp2                                                                 \
1490
    mpeg1video="mpeg mpeg1b"                                            \
1491
    mpeg2video="mpeg2 mpeg2thread"                                      \
1492
    mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1493
    msmpeg4v3=msmpeg4                                                   \
1494
    msmpeg4v2                                                           \
1495
    pbm=pbmpipe                                                         \
1496
    pcx                                                                 \
1497
    pgm="pgm pgmpipe"                                                   \
1498
    png                                                                 \
1499
    ppm="ppm ppmpipe"                                                   \
1500
    rawvideo="rgb yuv"                                                  \
1501
    roq                                                                 \
1502
    rv10                                                                \
1503
    rv20                                                                \
1504
    sgi                                                                 \
1505
    snow="snow snowll"                                                  \
1506
    svq1                                                                \
1507
    targa=tga                                                           \
1508
    tiff                                                                \
1509
    wmav1                                                               \
1510
    wmav2                                                               \
1511
    wmv1                                                                \
1512
    wmv2                                                                \
1513

    
1514
test_deps _muxer _demuxer                                               \
1515
    aiff                                                                \
1516
    pcm_alaw=alaw                                                       \
1517
    asf                                                                 \
1518
    au                                                                  \
1519
    avi                                                                 \
1520
    dv=dv_fmt                                                           \
1521
    ffm                                                                 \
1522
    flv=flv_fmt                                                         \
1523
    gxf                                                                 \
1524
    matroska=mkv                                                        \
1525
    mmf                                                                 \
1526
    mov                                                                 \
1527
    pcm_mulaw=mulaw                                                     \
1528
    mxf                                                                 \
1529
    nut                                                                 \
1530
    ogg                                                                 \
1531
    rawvideo=pixfmt                                                     \
1532
    rm                                                                  \
1533
    swf                                                                 \
1534
    mpegts=ts                                                           \
1535
    voc                                                                 \
1536
    wav                                                                 \
1537
    yuv4mpegpipe=yuv4mpeg                                               \
1538

    
1539
ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1540
mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1541

    
1542
set_ne_test_deps pixdesc
1543
set_ne_test_deps pixfmts_copy
1544
set_ne_test_deps pixfmts_crop
1545
set_ne_test_deps pixfmts_hflip
1546
set_ne_test_deps pixfmts_null
1547
set_ne_test_deps pixfmts_pad
1548
set_ne_test_deps pixfmts_scale
1549
set_ne_test_deps pixfmts_vflip
1550

    
1551
# default parameters
1552

    
1553
logfile="config.log"
1554

    
1555
# installation paths
1556
prefix_default="/usr/local"
1557
bindir_default='${prefix}/bin'
1558
datadir_default='${prefix}/share/ffmpeg'
1559
incdir_default='${prefix}/include'
1560
libdir_default='${prefix}/lib'
1561
mandir_default='${prefix}/share/man'
1562
shlibdir_default="$libdir_default"
1563

    
1564
# toolchain
1565
ar_default="ar"
1566
cc_default="gcc"
1567
cc_version=\"unknown\"
1568
host_cc_default="gcc"
1569
ln_s="ln -sf"
1570
nm_default="nm"
1571
objformat="elf"
1572
ranlib="ranlib"
1573
strip_default="strip"
1574
yasmexe="yasm"
1575
nogas=":"
1576

    
1577
nm_opts='-g'
1578

    
1579
# machine
1580
arch_default=$(uname -m)
1581
cpu="generic"
1582

    
1583
# OS
1584
target_os_default=$(tolower $(uname -s))
1585
host_os=$target_os_default
1586

    
1587
# configurable options
1588
enable avcodec
1589
enable avcore
1590
enable avdevice
1591
enable avfilter
1592
enable avformat
1593
enable avutil
1594
enable asm
1595
enable debug
1596
enable doc
1597
enable fastdiv
1598
enable ffmpeg
1599
enable ffplay
1600
enable ffprobe
1601
enable ffserver
1602
enable mpegaudio_hp
1603
enable network
1604
enable optimizations
1605
enable protocols
1606
enable static
1607
enable stripping
1608
enable swscale
1609
enable swscale_alpha
1610

    
1611
# build settings
1612
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1613
FFSERVERLDFLAGS=-Wl,-E
1614
LIBPREF="lib"
1615
LIBSUF=".a"
1616
FULLNAME='$(NAME)$(BUILDSUF)'
1617
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1618
SLIBPREF="lib"
1619
SLIBSUF=".so"
1620
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1621
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1622
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1623
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1624

    
1625
CC_O='-o $@'
1626

    
1627
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1628
host_libs='-lm'
1629

    
1630
target_path='$(CURDIR)'
1631

    
1632
# since the object filename is not given with the -MM flag, the compiler
1633
# is only able to print the basename, and we must add the path ourselves
1634
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1635
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1636

    
1637
# find source path
1638
source_path="$(dirname "$0")"
1639
enable source_path_used
1640
if test -f configure; then
1641
    source_path="$(pwd)"
1642
    disable source_path_used
1643
else
1644
    source_path="$(cd "$source_path"; pwd)"
1645
    echo "$source_path" | grep -q '[[:blank:]]' &&
1646
        die "Out of tree builds are impossible with whitespace in source path."
1647
    test -e "$source_path/config.h" &&
1648
        die "Out of tree builds are impossible with config.h in source dir."
1649
fi
1650

    
1651
for v in "$@"; do
1652
    r=${v#*=}
1653
    l=${v%"$r"}
1654
    r=$(sh_quote "$r")
1655
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1656
done
1657

    
1658
find_things(){
1659
    thing=$1
1660
    pattern=$2
1661
    file=$source_path/$3
1662
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1663
}
1664

    
1665
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1666
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1667
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1668
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1669
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1670
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1671
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1672
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1673
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1674
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1675
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1676

    
1677
find_tests(){
1678
    map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1679
}
1680

    
1681
ACODEC_TESTS=$(find_tests acodec)
1682
VCODEC_TESTS=$(find_tests vsynth1)
1683
LAVF_TESTS=$(find_tests lavf)
1684
LAVFI_TESTS=$(find_tests lavfi)
1685
SEEK_TESTS=$(find_tests seek seek_)
1686

    
1687
pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1688

    
1689
for n in $COMPONENT_LIST; do
1690
    v=$(toupper ${n%s})_LIST
1691
    eval enable \$$v
1692
    eval ${n}_if_any="\$$v"
1693
done
1694

    
1695
enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1696

    
1697
die_unknown(){
1698
    echo "Unknown option \"$1\"."
1699
    echo "See $0 --help for available options."
1700
    exit 1
1701
}
1702

    
1703
show_list() {
1704
    suffix=_$1
1705
    shift
1706
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1707
    exit 0
1708
}
1709

    
1710
for opt do
1711
    optval="${opt#*=}"
1712
    case "$opt" in
1713
    --extra-ldflags=*) add_ldflags $optval
1714
    ;;
1715
    --extra-libs=*) add_extralibs $optval
1716
    ;;
1717
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1718
    ;;
1719
    --enable-debug=*) debuglevel="$optval"
1720
    ;;
1721
    --disable-everything)
1722
    map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1723
    ;;
1724
    --enable-*=*|--disable-*=*)
1725
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1726
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1727
    eval list=\$$(toupper $thing)_LIST
1728
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1729
    $action $(filter "$name" $list)
1730
    ;;
1731
    --enable-?*|--disable-?*)
1732
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1733
    if is_in $option $COMPONENT_LIST; then
1734
        test $action = disable && action=unset
1735
        eval $action \$$(toupper ${option%s})_LIST
1736
    elif is_in $option $CMDLINE_SELECT; then
1737
        $action $option
1738
    else
1739
        die_unknown $opt
1740
    fi
1741
    ;;
1742
    --list-*)
1743
        NAME="${opt#--list-}"
1744
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1745
        NAME=${NAME%s}
1746
        eval show_list $NAME \$$(toupper $NAME)_LIST
1747
    ;;
1748
    --help|-h) show_help
1749
    ;;
1750
    *)
1751
    optname="${opt%%=*}"
1752
    optname="${optname#--}"
1753
    optname=$(echo "$optname" | sed 's/-/_/g')
1754
    if is_in $optname $CMDLINE_SET; then
1755
        eval $optname='$optval'
1756
    elif is_in $optname $CMDLINE_APPEND; then
1757
        append $optname "$optval"
1758
    else
1759
         die_unknown $opt
1760
    fi
1761
    ;;
1762
    esac
1763
done
1764

    
1765
disabled logging && logfile=/dev/null
1766

    
1767
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1768
set >> $logfile
1769

    
1770
test -n "$cross_prefix" && enable cross_compile
1771

    
1772
if enabled cross_compile; then
1773
    test -n "$arch" && test -n "$target_os" ||
1774
        die "Must specify target arch and OS when cross-compiling"
1775
fi
1776

    
1777
set_default arch target_os
1778

    
1779
ar_default="${cross_prefix}${ar_default}"
1780
cc_default="${cross_prefix}${cc_default}"
1781
nm_default="${cross_prefix}${nm_default}"
1782
ranlib="${cross_prefix}${ranlib}"
1783
strip_default="${cross_prefix}${strip_default}"
1784

    
1785
sysinclude_default="${sysroot}/usr/include"
1786

    
1787
set_default cc nm strip sysinclude
1788
enabled cross_compile || host_cc_default=$cc
1789
set_default host_cc
1790

    
1791
exesuf() {
1792
    case $1 in
1793
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1794
    esac
1795
}
1796

    
1797
EXESUF=$(exesuf $target_os)
1798
HOSTEXESUF=$(exesuf $host_os)
1799

    
1800
# set temporary file name
1801
: ${TMPDIR:=$TEMPDIR}
1802
: ${TMPDIR:=$TMP}
1803
: ${TMPDIR:=/tmp}
1804

    
1805
if ! check_cmd mktemp -u XXXXXX; then
1806
    # simple replacement for missing mktemp
1807
    # NOT SAFE FOR GENERAL USE
1808
    mktemp(){
1809
        echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1810
    }
1811
fi
1812

    
1813
tmpfile(){
1814
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1815
        (set -C; exec > $tmp) 2>/dev/null ||
1816
        die "Unable to create temporary file in $TMPDIR."
1817
    append TMPFILES $tmp
1818
    eval $1=$tmp
1819
}
1820

    
1821
trap 'rm -f -- $TMPFILES' EXIT
1822

    
1823
tmpfile TMPC  .c
1824
tmpfile TMPE  $EXESUF
1825
tmpfile TMPH  .h
1826
tmpfile TMPO  .o
1827
tmpfile TMPS  .S
1828
tmpfile TMPV  .ver
1829
tmpfile TMPSH .sh
1830
tmpfile TMPASM .asm
1831

    
1832
unset -f mktemp
1833

    
1834
chmod +x $TMPE
1835

    
1836
# make sure we can execute files in $TMPDIR
1837
cat > $TMPSH 2>> $logfile <<EOF
1838
#! /bin/sh
1839
EOF
1840
chmod +x $TMPSH >> $logfile 2>&1
1841
if ! $TMPSH >> $logfile 2>&1; then
1842
    cat <<EOF
1843
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1844
variable to another directory and make sure that it is not mounted noexec.
1845
EOF
1846
    die "Sanity test failed."
1847
fi
1848

    
1849
filter_cflags=echo
1850
filter_cppflags=echo
1851
filter_asflags=echo
1852

    
1853
if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1854
    cc_type=llvm_gcc
1855
    cc_version=__VERSION__
1856
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1857
    cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1858
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1859
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1860
    speed_cflags='-O3'
1861
    size_cflags='-Os'
1862
elif $cc -v 2>&1 | grep -qi ^gcc; then
1863
    cc_type=gcc
1864
    cc_version=__VERSION__
1865
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1866
    cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1867
    if ! $cc -dumpversion | grep -q '^2\.'; then
1868
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1869
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1870
    fi
1871
    speed_cflags='-O3'
1872
    size_cflags='-Os'
1873
elif $cc --version 2>/dev/null | grep -q Intel; then
1874
    cc_type=icc
1875
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1876
    cc_ident=$($cc --version | head -n1)
1877
    icc_version=$($cc -dumpversion)
1878
    CC_DEPFLAGS='-MMD'
1879
    AS_DEPFLAGS='-MMD'
1880
    speed_cflags='-O3'
1881
    size_cflags='-Os'
1882
    noopt_cflags='-O1'
1883
elif $cc -v 2>&1 | grep -q xlc; then
1884
    cc_type=xlc
1885
    cc_version="AV_STRINGIFY(__IBMC__)"
1886
    cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1887
    speed_cflags='-O5'
1888
    size_cflags='-O5 -qcompact'
1889
elif $cc -V 2>/dev/null | grep -q Compaq; then
1890
    cc_type=ccc
1891
    cc_version="AV_STRINGIFY(__DECC_VER)"
1892
    cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1893
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1894
    debuglevel=3
1895
    add_ldflags -Wl,-z,now # calls to libots crash without this
1896
    speed_cflags='-fast'
1897
    size_cflags='-O1'
1898
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1899
    test -d "$sysroot" || die "No valid sysroot specified."
1900
    cc_type=armcc
1901
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1902
    cc_ident=$($cc --vsn | head -n1)
1903
    armcc_conf="$PWD/armcc.conf"
1904
    $cc --arm_linux_configure                 \
1905
        --arm_linux_config_file="$armcc_conf" \
1906
        --configure_sysroot="$sysroot"        \
1907
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1908
        die "Error creating armcc configuration file."
1909
    $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1910
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1911
    as_default="${cross_prefix}gcc"
1912
    CC_DEPFLAGS='-MMD'
1913
    AS_DEPFLAGS='-MMD'
1914
    speed_cflags='-O3'
1915
    size_cflags='-Os'
1916
    filter_asflags="filter_out -W${armcc_opt}*"
1917
elif $cc -version 2>/dev/null | grep -q TMS470; then
1918
    cc_type=tms470
1919
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1920
    cc_ident=$($cc -version | head -n1 | tr -s ' ')
1921
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1922
    CC_O='-fr=$(@D)'
1923
    as_default="${cross_prefix}gcc"
1924
    ld_default="${cross_prefix}gcc"
1925
    TMPO=$(basename $TMPC .c).o
1926
    append TMPFILES $TMPO
1927
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1928
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1929
    AS_DEPFLAGS='-MMD'
1930
    speed_cflags='-O3 -mf=5'
1931
    size_cflags='-O3 -mf=2'
1932
    filter_cflags=tms470_flags
1933
    tms470_flags(){
1934
        for flag; do
1935
            case $flag in
1936
                -march=*|-mcpu=*)
1937
                    case "${flag#*=}" in
1938
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1939
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1940
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1941
                        armv6*|arm11*)          echo -mv=6   ;;
1942
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1943
                                                echo -mv=5e  ;;
1944
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1945
                    esac
1946
                    ;;
1947
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1948
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1949
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1950
                -msoft-float)   echo --float_support=vfplib       ;;
1951
                -O[0-3]|-mf=*)  echo $flag                        ;;
1952
                -g)             echo -g -mn                       ;;
1953
                -pds=*)         echo $flag                        ;;
1954
            esac
1955
        done
1956
    }
1957
elif $cc -v 2>&1 | grep -q clang; then
1958
    cc_type=clang
1959
    $cc -dM -E $TMPC | grep -q __clang_version__ &&
1960
        cc_version=__clang_version__ || cc_version=__VERSION__
1961
    cc_ident=$($cc --version | head -n1)
1962
    CC_DEPFLAGS='-MMD'
1963
    AS_DEPFLAGS='-MMD'
1964
    speed_cflags='-O3'
1965
    size_cflags='-Os'
1966
elif $cc -V 2>&1 | grep -q Sun; then
1967
    cc_type=suncc
1968
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1969
    cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1970
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1971
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1972
    speed_cflags='-O5'
1973
    size_cflags='-O5 -xspace'
1974
    filter_cflags=suncc_flags
1975
    suncc_flags(){
1976
        for flag; do
1977
            case $flag in
1978
                -march=*|-mcpu=*)
1979
                    case "${flag#*=}" in
1980
                        native)                   echo -xtarget=native       ;;
1981
                        v9|niagara)               echo -xarch=sparc          ;;
1982
                        ultrasparc)               echo -xarch=sparcvis       ;;
1983
                        ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
1984
                        i586|pentium)             echo -xchip=pentium        ;;
1985
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1986
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1987
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1988
                        pentium4*)          echo -xtarget=pentium4           ;;
1989
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1990
                        *-sse3)             echo -xarch=sse3                 ;;
1991
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1992
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1993
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1994
                        k8|opteron|athlon64|athlon-fx)
1995
                                                  echo -xarch=sse2a          ;;
1996
                        athlon*)                  echo -xarch=pentium_proa   ;;
1997
                    esac
1998
                    ;;
1999
                -std=c99)             echo -xc99              ;;
2000
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
2001
                -fPIC)                echo -KPIC -xcode=pic32 ;;
2002
                -W*,*)                echo $flag              ;;
2003
                -f*-*|-W*)                                    ;;
2004
                *)                    echo $flag              ;;
2005
            esac
2006
        done
2007
    }
2008
elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2009
    cc_type=pathscale
2010
    cc_version=__PATHSCALE__
2011
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2012
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2013
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2014
    speed_cflags='-O2'
2015
    size_cflags='-Os'
2016
elif $cc -v 2>&1 | grep -q Open64; then
2017
    cc_type=open64
2018
    cc_version=__OPEN64__
2019
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2020
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2021
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2022
    speed_cflags='-O2'
2023
    size_cflags='-Os'
2024
fi
2025

    
2026
test -n "$cc_type" && enable $cc_type ||
2027
    warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2028

    
2029
: ${as_default:=$cc}
2030
: ${dep_cc_default:=$cc}
2031
: ${ld_default:=$cc}
2032
set_default ar as dep_cc ld
2033

    
2034
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2035
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2036

    
2037
add_cflags $extra_cflags
2038
add_asflags $extra_cflags
2039

    
2040
if test -n "$sysroot"; then
2041
    case "$cc_type" in
2042
        gcc|llvm_gcc)
2043
            add_cppflags --sysroot="$sysroot"
2044
            add_ldflags --sysroot="$sysroot"
2045
        ;;
2046
        tms470)
2047
            add_cppflags -I"$sysinclude"
2048
            add_ldflags  --sysroot="$sysroot"
2049
        ;;
2050
        clang)
2051
            add_cppflags -isysroot "$sysroot"
2052
            add_ldflags -isysroot "$sysroot"
2053
        ;;
2054
    esac
2055
fi
2056

    
2057
if test "$cpu" = host; then
2058
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2059

    
2060
    case "$cc_type" in
2061
        gcc|llvm_gcc)
2062
            check_native(){
2063
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2064
                sed -n "/$1=/{
2065
                            s/.*$1=\\([^ ]*\\).*/\\1/
2066
                            p
2067
                            q
2068
                        }" $TMPE
2069
            }
2070
            cpu=$(check_native -march || check_native -mcpu)
2071
        ;;
2072
    esac
2073

    
2074
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2075
fi
2076

    
2077
# Deal with common $arch aliases
2078
case "$arch" in
2079
    arm*)
2080
        arch="arm"
2081
    ;;
2082
    mips|mipsel|IP*)
2083
        arch="mips"
2084
    ;;
2085
    mips64*)
2086
        arch="mips"
2087
        subarch="mips64"
2088
    ;;
2089
    parisc|hppa)
2090
        arch="parisc"
2091
    ;;
2092
    parisc64|hppa64)
2093
        arch="parisc"
2094
        subarch="parisc64"
2095
    ;;
2096
    "Power Macintosh"|ppc|powerpc)
2097
        arch="ppc"
2098
    ;;
2099
    ppc64|powerpc64)
2100
        arch="ppc"
2101
        subarch="ppc64"
2102
    ;;
2103
    s390|s390x)
2104
        arch="s390"
2105
    ;;
2106
    sh4|sh)
2107
        arch="sh4"
2108
    ;;
2109
    sun4u|sparc64)
2110
        arch="sparc"
2111
        subarch="sparc64"
2112
    ;;
2113
    i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2114
        arch="x86"
2115
    ;;
2116
esac
2117

    
2118
is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2119
enable $arch
2120

    
2121
# Add processor-specific flags
2122
if test "$cpu" = generic; then
2123
    : do nothing
2124
elif enabled ppc; then
2125

    
2126
    case $(tolower $cpu) in
2127
        601|ppc601|powerpc601)
2128
            cpuflags="-mcpu=601"
2129
            disable altivec
2130
        ;;
2131
        603*|ppc603*|powerpc603*)
2132
            cpuflags="-mcpu=603"
2133
            disable altivec
2134
        ;;
2135
        604*|ppc604*|powerpc604*)
2136
            cpuflags="-mcpu=604"
2137
            disable altivec
2138
        ;;
2139
        g3|75*|ppc75*|powerpc75*)
2140
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2141
            disable altivec
2142
        ;;
2143
        g4|745*|ppc745*|powerpc745*)
2144
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2145
        ;;
2146
        74*|ppc74*|powerpc74*)
2147
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2148
        ;;
2149
        g5|970|ppc970|powerpc970|power4*)
2150
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2151
        ;;
2152
        cell)
2153
            cpuflags="-mcpu=cell"
2154
            enable ldbrx
2155
        ;;
2156
        e500v2)
2157
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2158
            disable altivec
2159
        ;;
2160
        e500)
2161
            cpuflags="-mcpu=8540 -mhard-float"
2162
            disable altivec
2163
        ;;
2164
    esac
2165

    
2166
elif enabled x86; then
2167

    
2168
    case $cpu in
2169
        i[345]86|pentium)
2170
            cpuflags="-march=$cpu"
2171
            disable mmx
2172
        ;;
2173
        # targets that do NOT support conditional mov (cmov)
2174
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2175
            cpuflags="-march=$cpu"
2176
            disable cmov
2177
        ;;
2178
        # targets that do support conditional mov (cmov)
2179
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2180
            cpuflags="-march=$cpu"
2181
            enable cmov
2182
            enable fast_cmov
2183
        ;;
2184
        # targets that do support conditional mov but on which it's slow
2185
        pentium4|pentium4m|prescott|nocona)
2186
            cpuflags="-march=$cpu"
2187
            enable cmov
2188
            disable fast_cmov
2189
        ;;
2190
    esac
2191

    
2192
elif enabled sparc; then
2193

    
2194
    case $cpu in
2195
        niagara)
2196
            cpuflags="-mcpu=$cpu"
2197
            disable vis
2198
        ;;
2199
        sparc64)
2200
            cpuflags="-mcpu=v9"
2201
        ;;
2202
    esac
2203

    
2204
elif enabled arm; then
2205

    
2206
    case $cpu in
2207
        armv*)
2208
            cpuflags="-march=$cpu"
2209
            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2210
        ;;
2211
        *)
2212
            cpuflags="-mcpu=$cpu"
2213
            case $cpu in
2214
                cortex-a*)                               subarch=armv7a  ;;
2215
                cortex-r*)                               subarch=armv7r  ;;
2216
                cortex-m*)                               subarch=armv7m  ;;
2217
                arm11*)                                  subarch=armv6   ;;
2218
                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2219
                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2220
            esac
2221
        ;;
2222
    esac
2223

    
2224
elif enabled alpha; then
2225

    
2226
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2227

    
2228
elif enabled bfin; then
2229

    
2230
    cpuflags="-mcpu=$cpu"
2231

    
2232
elif enabled mips; then
2233

    
2234
    cpuflags="-march=$cpu"
2235

    
2236
elif enabled avr32; then
2237

    
2238
    case $cpu in
2239
        ap7[02]0[0-2])
2240
            subarch="avr32_ap"
2241
            cpuflags="-mpart=$cpu"
2242
        ;;
2243
        ap)
2244
            subarch="avr32_ap"
2245
            cpuflags="-march=$cpu"
2246
        ;;
2247
        uc3[ab]*)
2248
            subarch="avr32_uc"
2249
            cpuflags="-mcpu=$cpu"
2250
        ;;
2251
        uc)
2252
            subarch="avr32_uc"
2253
            cpuflags="-march=$cpu"
2254
        ;;
2255
    esac
2256

    
2257
fi
2258

    
2259
add_cflags $cpuflags
2260
add_asflags $cpuflags
2261

    
2262
# compiler sanity check
2263
check_exec <<EOF
2264
int main(void){ return 0; }
2265
EOF
2266
if test "$?" != 0; then
2267
    echo "$cc is unable to create an executable file."
2268
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2269
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2270
        echo "Only do this if you know what cross compiling means."
2271
    fi
2272
    die "C compiler test failed."
2273
fi
2274

    
2275
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2276
check_cflags -std=c99
2277
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2278
#include <stdlib.h>
2279
EOF
2280
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2281
#include <stdlib.h>
2282
EOF
2283

    
2284
check_host_cflags -std=c99
2285

    
2286
case "$arch" in
2287
    alpha|ia64|mips|parisc|sparc)
2288
        spic=$shared
2289
    ;;
2290
    x86)
2291
        subarch="x86_32"
2292
        check_cc <<EOF && subarch="x86_64"
2293
        int test[(int)sizeof(char*) - 7];
2294
EOF
2295
        if test "$subarch" = "x86_64"; then
2296
            spic=$shared
2297
        fi
2298
    ;;
2299
esac
2300

    
2301
enable $subarch
2302
enabled spic && enable pic
2303

    
2304
# OS specific
2305
case $target_os in
2306
    haiku)
2307
        prefix_default="/boot/common"
2308
        network_extralibs="-lnetwork"
2309
        ;;
2310
    sunos)
2311
        FFSERVERLDFLAGS=""
2312
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2313
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2314
        network_extralibs="-lsocket -lnsl"
2315
        add_cppflags -D__EXTENSIONS__
2316
        nm_opts='-P -g'
2317
        ;;
2318
    netbsd)
2319
        disable symver
2320
        oss_indev_extralibs="-lossaudio"
2321
        oss_outdev_extralibs="-lossaudio"
2322
        add_cppflags -D_XOPEN_SOURCE=600
2323
        ;;
2324
    openbsd)
2325
        enable malloc_aligned
2326
        # On OpenBSD 4.5. the compiler does not use PIC unless
2327
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2328
        # however the generated executable will not do anything
2329
        # (simply quits with exit-code 1, no crash, no output).
2330
        # Thus explicitly enable PIC here.
2331
        enable pic
2332
        disable symver
2333
        SHFLAGS='-shared'
2334
        oss_indev_extralibs="-lossaudio"
2335
        oss_outdev_extralibs="-lossaudio"
2336
        ;;
2337
    dragonfly)
2338
        enable malloc_aligned
2339
        disable symver
2340
        ;;
2341
    freebsd)
2342
        enable malloc_aligned
2343
        ;;
2344
    bsd/os)
2345
        add_extralibs -lpoll -lgnugetopt
2346
        strip="strip -d"
2347
        ;;
2348
    darwin)
2349
        enable malloc_aligned
2350
        gas="gas-preprocessor.pl $cc"
2351
        enabled ppc && add_asflags -force_cpusubtype_ALL
2352
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2353
        strip="${strip} -x"
2354
        add_ldflags -Wl,-dynamic,-search_paths_first
2355
        SLIBSUF=".dylib"
2356
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2357
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2358
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2359
        objformat="macho"
2360
        enabled x86_64 && objformat="macho64"
2361
        enabled_any pic shared ||
2362
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2363
        ;;
2364
    mingw32*)
2365
        if test $target_os = "mingw32ce"; then
2366
            disable network
2367
        else
2368
            target_os=mingw32
2369
        fi
2370
        LIBTARGET=i386
2371
        if enabled x86_64; then
2372
            enable malloc_aligned
2373
            LIBTARGET=x64
2374
        elif enabled arm; then
2375
            LIBTARGET=arm
2376
        fi
2377
        shlibdir_default="$bindir_default"
2378
        disable ffserver
2379
        SLIBPREF=""
2380
        SLIBSUF=".dll"
2381
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2382
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2383
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2384
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2385
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2386
            install -d "$(LIBDIR)"; \
2387
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2388
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2389
        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'
2390
        objformat="win32"
2391
        enable dos_paths
2392
        check_cflags -fno-common
2393
        check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2394
                                      || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2395
                die "ERROR: MinGW runtime version must be >= 3.15."
2396
        ;;
2397
    cygwin*)
2398
        target_os=cygwin
2399
        shlibdir_default="$bindir_default"
2400
        SLIBPREF="cyg"
2401
        SLIBSUF=".dll"
2402
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2403
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2404
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2405
        objformat="win32"
2406
        enable dos_paths
2407
        check_cflags -fno-common
2408
        ;;
2409
    *-dos|freedos|opendos)
2410
        disable ffplay ffserver
2411
        disable $INDEV_LIST $OUTDEV_LIST
2412
        network_extralibs="-lsocket"
2413
        objformat="coff"
2414
        enable dos_paths
2415
        ;;
2416
    linux)
2417
        enable dv1394
2418
        ;;
2419
    irix*)
2420
        target_os=irix
2421
        ranlib="echo ignoring ranlib"
2422
        ;;
2423
    os/2*)
2424
        strip="lxlite"
2425
        ln_s="cp -f"
2426
        add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2427
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2428
        FFSERVERLDFLAGS=""
2429
        LIBSUF="_s.a"
2430
        SLIBPREF=""
2431
        SLIBSUF=".dll"
2432
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2433
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2434
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2435
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2436
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2437
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2438
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2439
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2440
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2441
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2442
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2443
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2444
        enable dos_paths
2445
        ;;
2446
    gnu/kfreebsd)
2447
        ;;
2448
    gnu)
2449
        ;;
2450
    qnx)
2451
        add_cppflags -D_QNX_SOURCE
2452
        network_extralibs="-lsocket"
2453
        ;;
2454
    none)
2455
        ;;
2456
    *)
2457
        die "Unknown OS '$target_os'."
2458
        ;;
2459
esac
2460

    
2461
echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2462

    
2463
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2464

    
2465
set_default $PATHS_LIST
2466

    
2467
# we need to build at least one lib type
2468
if ! enabled_any static shared; then
2469
    cat <<EOF
2470
At least one library type must be built.
2471
Specify --enable-static to build the static libraries or --enable-shared to
2472
build the shared libraries as well. To only build the shared libraries specify
2473
--disable-static in addition to --enable-shared.
2474
EOF
2475
    exit 1;
2476
fi
2477

    
2478
disabled static && LIBNAME=""
2479

    
2480
die_license_disabled() {
2481
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2482
}
2483

    
2484
die_license_disabled gpl libx264
2485
die_license_disabled gpl libxavs
2486
die_license_disabled gpl libxvid
2487
die_license_disabled gpl postproc
2488
die_license_disabled gpl x11grab
2489

    
2490
die_license_disabled nonfree libfaac
2491

    
2492
die_license_disabled version3 libopencore_amrnb
2493
die_license_disabled version3 libopencore_amrwb
2494

    
2495
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2496

    
2497
check_deps $ARCH_EXT_LIST
2498

    
2499
disabled optimizations || check_cflags -fomit-frame-pointer
2500

    
2501
enable_pic() {
2502
    enable pic
2503
    add_cppflags -DPIC
2504
    add_cflags   -fPIC
2505
    add_asflags  -fPIC
2506
}
2507

    
2508
enabled pic && enable_pic
2509

    
2510
check_cc <<EOF || die "Symbol mangling check failed."
2511
int ff_extern;
2512
EOF
2513
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2514
extern_prefix=${sym%%ff_extern*}
2515

    
2516
check_cc <<EOF && enable inline_asm
2517
void foo(void) { __asm__ volatile ("" ::); }
2518
EOF
2519

    
2520
_restrict=
2521
for restrict_keyword in restrict __restrict__ __restrict; do
2522
    check_cc <<EOF && _restrict=$restrict_keyword && break
2523
void foo(char * $restrict_keyword p);
2524
EOF
2525
done
2526

    
2527
check_cc <<EOF && enable attribute_packed
2528
struct { int x; } __attribute__((packed)) x;
2529
EOF
2530

    
2531
check_cc <<EOF && enable attribute_may_alias
2532
union { int x; } __attribute__((may_alias)) x;
2533
EOF
2534

    
2535
check_cc <<EOF || die "endian test failed"
2536
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2537
EOF
2538
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2539

    
2540
if enabled alpha; then
2541

    
2542
    check_cflags -mieee
2543

    
2544
elif enabled arm; then
2545

    
2546
    check_cflags -marm
2547
    nogas=die
2548

    
2549
    if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2550
        enable vfp_args
2551
    elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2552
        case "${cross_prefix:-$cc}" in
2553
            *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2554
            *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2555
__asm__ (".eabi_attribute 28, 1");
2556
int main(void) { return 0; }
2557
EOF
2558
        esac
2559
        warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2560
    fi
2561

    
2562
    # We have to check if pld is a nop and disable it.
2563
    check_asm pld '"pld [r0]"'
2564

    
2565
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2566
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2567
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2568
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2569
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2570
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2571

    
2572
    enabled_all armv6t2 shared !pic && enable_pic
2573

    
2574
elif enabled mips; then
2575

    
2576
    check_asm loongson '"dmult.g $1, $2, $3"'
2577
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2578

    
2579
elif enabled ppc; then
2580

    
2581
    enable local_aligned_8 local_aligned_16
2582

    
2583
    check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2584
    check_asm ibm_asm   '"add 0, 0, 0"'
2585
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2586
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2587

    
2588
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2589
    if enabled altivec; then
2590
        nogas=warn
2591
        check_cflags -maltivec -mabi=altivec &&
2592
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2593
        check_cflags -faltivec
2594

    
2595
        # check if our compiler supports Motorola AltiVec C API
2596
        check_cc <<EOF || disable altivec
2597
$inc_altivec_h
2598
int main(void) {
2599
    vector signed int v1, v2, v3;
2600
    v1 = vec_add(v2,v3);
2601
    return 0;
2602
}
2603
EOF
2604

    
2605
        # check if our compiler supports braces for vector declarations
2606
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2607
$inc_altivec_h
2608
int main (void) { (vector int) {1}; return 0; }
2609
EOF
2610
    fi
2611

    
2612
elif enabled sparc; then
2613

    
2614
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2615
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2616

    
2617
elif enabled x86; then
2618

    
2619
    enable local_aligned_8 local_aligned_16
2620

    
2621
    # check whether EBP is available on x86
2622
    # As 'i' is stored on the stack, this program will crash
2623
    # if the base pointer is used to access it because the
2624
    # base pointer is cleared in the inline assembly code.
2625
    check_exec_crash <<EOF && enable ebp_available
2626
    volatile int i=0;
2627
    __asm__ volatile (
2628
        "xorl %%ebp, %%ebp"
2629
    ::: "%ebp");
2630
    return i;
2631
EOF
2632

    
2633
    # check whether EBX is available on x86
2634
    check_asm ebx_available '""::"b"(0)' &&
2635
        check_asm ebx_available '"":::"%ebx"'
2636

    
2637
    # check whether xmm clobbers are supported
2638
    check_asm xmm_clobbers '"":::"%xmm0"'
2639

    
2640
    # check whether more than 10 operands are supported
2641
    check_cc <<EOF && enable ten_operands
2642
int main(void) {
2643
    int x=0;
2644
    __asm__ volatile(
2645
        ""
2646
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2647
    );
2648
    return 0;
2649
}
2650
EOF
2651

    
2652
    # check whether binutils is new enough to compile SSSE3/MMX2
2653
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2654
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2655

    
2656
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2657

    
2658
    if ! disabled_any asm mmx yasm; then
2659
        if check_cmd $yasmexe --version; then
2660
            enabled x86_64 && yasm_extra="-m amd64"
2661
            yasm_debug="-g dwarf2"
2662
        elif check_cmd nasm -v; then
2663
            yasmexe=nasm
2664
            yasm_debug="-g -F dwarf"
2665
            enabled x86_64 && test "$objformat" = elf && objformat=elf64
2666
        fi
2667

    
2668
        YASMFLAGS="-f $objformat $yasm_extra"
2669
        enabled pic               && append YASMFLAGS "-DPIC"
2670
        test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2671
        case "$objformat" in
2672
            elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2673
        esac
2674

    
2675
        check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2676
            die "yasm not found, use --disable-yasm for a crippled build"
2677
    fi
2678

    
2679
    case "$cpu" in
2680
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2681
            disable fast_clz
2682
        ;;
2683
    esac
2684

    
2685
fi
2686

    
2687
if enabled asm; then
2688
    as=${gas:=$as}
2689
    check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2690
        $nogas "GNU assembler not found, install gas-preprocessor"
2691
fi
2692

    
2693
if check_func dlopen; then
2694
    ldl=
2695
elif check_func dlopen -ldl; then
2696
    ldl=-ldl
2697
fi
2698

    
2699
if enabled network; then
2700
    check_type "sys/types.h sys/socket.h" socklen_t
2701
    check_type netdb.h "struct addrinfo"
2702
    check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2703
    check_type netinet/in.h "struct sockaddr_in6"
2704
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2705
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2706
    # Prefer arpa/inet.h over winsock2
2707
    if check_header arpa/inet.h ; then
2708
        check_func closesocket
2709
    elif check_header winsock2.h ; then
2710
        check_func_headers winsock2.h closesocket -lws2 && \
2711
            network_extralibs="-lws2" || \
2712
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2713
            network_extralibs="-lws2_32"; }
2714
        check_type ws2tcpip.h socklen_t
2715
        check_type ws2tcpip.h "struct addrinfo"
2716
        check_type ws2tcpip.h "struct ipv6_mreq"
2717
        check_type ws2tcpip.h "struct sockaddr_in6"
2718
        check_type ws2tcpip.h "struct sockaddr_storage"
2719
        check_struct winsock2.h "struct sockaddr" sa_len
2720
    else
2721
        disable network
2722
    fi
2723
fi
2724

    
2725
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2726
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2727

    
2728
check_func  fcntl
2729
check_func  fork
2730
check_func  getaddrinfo $network_extralibs
2731
check_func  gethrtime
2732
check_func  getrusage
2733
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2734
check_func  inet_aton $network_extralibs
2735
check_func  isatty
2736
check_func  ${malloc_prefix}memalign            && enable memalign
2737
check_func  mkstemp
2738
check_func  mmap
2739
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2740
check_func  setrlimit
2741
check_func  strerror_r
2742
check_func  strtok_r
2743
check_func_headers io.h setmode
2744
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2745
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2746
check_func_headers windows.h GetProcessTimes
2747
check_func_headers windows.h MapViewOfFile
2748
check_func_headers windows.h VirtualAlloc
2749

    
2750
check_header conio.h
2751
check_header dlfcn.h
2752
check_header dxva2api.h
2753
check_header malloc.h
2754
check_header poll.h
2755
check_header sys/mman.h
2756
check_header sys/resource.h
2757
check_header sys/select.h
2758
check_header termios.h
2759
check_header vdpau/vdpau.h
2760
check_header vdpau/vdpau_x11.h
2761
check_header X11/extensions/XvMClib.h
2762

    
2763
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2764

    
2765
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2766
     enabled_any $need_memalign ; then
2767
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2768
fi
2769

    
2770
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2771
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2772

    
2773
# check for some common methods of building with pthread support
2774
# do this before the optional library checks as some of them require pthreads
2775
if ! disabled pthreads && ! enabled w32threads; then
2776
    enable pthreads
2777
    if check_func pthread_create; then
2778
        :
2779
    elif check_func pthread_create -pthread; then
2780
        add_cflags -pthread
2781
        add_extralibs -pthread
2782
    elif check_func pthread_create -pthreads; then
2783
        add_cflags -pthreads
2784
        add_extralibs -pthreads
2785
    elif check_func pthread_create -lpthreadGC2; then
2786
        add_extralibs -lpthreadGC2
2787
    elif ! check_lib pthread.h pthread_create -lpthread; then
2788
        disable pthreads
2789
    fi
2790
fi
2791

    
2792
for thread in $THREADS_LIST; do
2793
    if enabled $thread; then
2794
        test -n "$thread_type" &&
2795
            die "ERROR: Only one thread type must be selected." ||
2796
            thread_type="$thread"
2797
    fi
2798
done
2799

    
2800
check_lib math.h sin -lm
2801
disabled vaapi || check_lib va/va.h vaInitialize -lva
2802

    
2803
check_mathfunc exp2
2804
check_mathfunc exp2f
2805
check_mathfunc llrint
2806
check_mathfunc llrintf
2807
check_mathfunc log2
2808
check_mathfunc log2f
2809
check_mathfunc lrint
2810
check_mathfunc lrintf
2811
check_mathfunc round
2812
check_mathfunc roundf
2813
check_mathfunc truncf
2814

    
2815
# these are off by default, so fail if requested and not available
2816
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2817
enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2818
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2819
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2820
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2821
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2822
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2823
enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2824
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2825
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2826
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2827
enabled libopencv  && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2828
                        die "ERROR: libopencv not found"; }
2829
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2830
enabled librtmp    && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2831
                        die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2832
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2833
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2834
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2835
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2836
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2837
enabled libvpx     && {
2838
    enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2839
                                die "ERROR: libvpx decoder version must be >=0.9.1"; }
2840
    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2841
                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2842
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2843
                      { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2844
                        die "ERROR: libx264 version must be >= 0.99."; }
2845
enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2846
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2847
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2848

    
2849
# libdc1394 check
2850
if enabled libdc1394; then
2851
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2852
        enable libdc1394_2; } ||
2853
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2854
        enable libdc1394_1; } ||
2855
    die "ERROR: No version of libdc1394 found "
2856
fi
2857

    
2858
SDL_CONFIG="${cross_prefix}sdl-config"
2859
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2860
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2861
    sdl_libs=$("${SDL_CONFIG}" --libs)
2862
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2863
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2864
    enable sdl &&
2865
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2866
fi
2867

    
2868
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2869

    
2870
check_header linux/videodev.h
2871
check_header linux/videodev2.h
2872
check_header sys/videoio.h
2873

    
2874
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2875
# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2876
# w32api 3.12 had it defined wrong
2877
check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2878

    
2879
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2880
{ check_header dev/bktr/ioctl_meteor.h &&
2881
  check_header dev/bktr/ioctl_bt848.h; } ||
2882
{ check_header machine/ioctl_meteor.h &&
2883
  check_header machine/ioctl_bt848.h; } ||
2884
{ check_header dev/video/meteor/ioctl_meteor.h &&
2885
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2886
check_header dev/ic/bt8xx.h
2887

    
2888
check_header sys/soundcard.h
2889
check_header soundcard.h
2890

    
2891
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2892

    
2893
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2894

    
2895
enabled x11grab                         &&
2896
check_header X11/Xlib.h                 &&
2897
check_header X11/extensions/XShm.h      &&
2898
check_header X11/extensions/Xfixes.h    &&
2899
check_func XOpenDisplay -lX11           &&
2900
check_func XShmCreateImage -lX11 -lXext &&
2901
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2902

    
2903
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2904
check_cpp_condition \
2905
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2906
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2907
      disable vdpau; }
2908
fi
2909

    
2910
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2911

    
2912
# add some useful compiler flags if supported
2913
check_cflags -Wdeclaration-after-statement
2914
check_cflags -Wall
2915
check_cflags -Wno-parentheses
2916
check_cflags -Wno-switch
2917
check_cflags -Wdisabled-optimization
2918
check_cflags -Wpointer-arith
2919
check_cflags -Wredundant-decls
2920
check_cflags -Wno-pointer-sign
2921
check_cflags -Wcast-qual
2922
check_cflags -Wwrite-strings
2923
check_cflags -Wtype-limits
2924
check_cflags -Wundef
2925
check_cflags -Wmissing-prototypes
2926
enabled extra_warnings && check_cflags -Winline
2927

    
2928
# add some linker flags
2929
check_ldflags -Wl,--warn-common
2930
check_ldflags -Wl,--as-needed
2931
check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavcore -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2932
test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2933

    
2934
echo "X{};" > $TMPV
2935
if test_ldflags -Wl,--version-script,$TMPV; then
2936
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2937
    check_cc <<EOF && enable symver_asm_label
2938
void ff_foo(void) __asm__ ("av_foo@VERSION");
2939
void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2940
EOF
2941
    check_cc <<EOF && enable symver_gnu_asm
2942
__asm__(".symver ff_foo,av_foo@VERSION");
2943
void ff_foo(void) {}
2944
EOF
2945
fi
2946

    
2947
if enabled small; then
2948
    add_cflags $size_cflags
2949
    optimizations="small"
2950
elif enabled optimizations; then
2951
    add_cflags $speed_cflags
2952
else
2953
    add_cflags $noopt_cflags
2954
fi
2955
check_cflags -fno-math-errno
2956
check_cflags -fno-signed-zeros
2957

    
2958
if enabled icc; then
2959
    # Just warnings, no remarks
2960
    check_cflags -w1
2961
    # -wd: Disable following warnings
2962
    # 144, 167, 556: -Wno-pointer-sign
2963
    # 10006: ignoring unknown option -fno-signed-zeros
2964
    # 10148: ignoring unknown option -Wno-parentheses
2965
    # 10156: ignoring option '-W'; no argument required
2966
    check_cflags -wd144,167,556,10006,10148,10156
2967
    # 11030: Warning unknown option --as-needed
2968
    # 10156: ignoring option '-export'; no argument required
2969
    check_ldflags -wd10156,11030
2970
    # Allow to compile with optimizations
2971
    check_ldflags -march=$cpu
2972
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2973
    enable ebp_available
2974
    if enabled x86_32; then
2975
        test ${icc_version%%.*} -ge 11 && \
2976
            check_cflags -falign-stack=maintain-16-byte || \
2977
            disable aligned_stack
2978
    fi
2979
elif enabled ccc; then
2980
    # disable some annoying warnings
2981
    add_cflags -msg_disable cvtu32to64
2982
    add_cflags -msg_disable embedcomment
2983
    add_cflags -msg_disable needconstext
2984
    add_cflags -msg_disable nomainieee
2985
    add_cflags -msg_disable ptrmismatch1
2986
    add_cflags -msg_disable unreachcode
2987
elif enabled gcc; then
2988
    check_cflags -fno-tree-vectorize
2989
    check_cflags -Werror=implicit-function-declaration
2990
    check_cflags -Werror=missing-prototypes
2991
elif enabled llvm_gcc; then
2992
    check_cflags -mllvm -stack-alignment=16
2993
elif enabled clang; then
2994
    check_cflags -mllvm -stack-alignment=16
2995
    check_cflags -Qunused-arguments
2996
elif enabled armcc; then
2997
    # 2523: use of inline assembler is deprecated
2998
    add_cflags -W${armcc_opt},--diag_suppress=2523
2999
    add_cflags -W${armcc_opt},--diag_suppress=1207
3000
    add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3001
    add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3002
elif enabled tms470; then
3003
    add_cflags -pds=824 -pds=837
3004
elif enabled pathscale; then
3005
    add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3006
fi
3007

    
3008
enabled_any $THREADS_LIST      && enable threads
3009

    
3010
check_deps $CONFIG_LIST       \
3011
           $CONFIG_EXTRA      \
3012
           $HAVE_LIST         \
3013
           $DECODER_LIST      \
3014
           $ENCODER_LIST      \
3015
           $HWACCEL_LIST      \
3016
           $PARSER_LIST       \
3017
           $BSF_LIST          \
3018
           $DEMUXER_LIST      \
3019
           $MUXER_LIST        \
3020
           $FILTER_LIST       \
3021
           $INDEV_LIST        \
3022
           $OUTDEV_LIST       \
3023
           $PROTOCOL_LIST     \
3024
           $ACODEC_TESTS      \
3025
           $VCODEC_TESTS      \
3026
           $LAVF_TESTS        \
3027
           $LAVFI_TESTS       \
3028
           $SEEK_TESTS        \
3029

    
3030
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3031

    
3032
echo "install prefix            $prefix"
3033
echo "source path               $source_path"
3034
echo "C compiler                $cc"
3035
echo "ARCH                      $arch ($cpu)"
3036
if test "$build_suffix" != ""; then
3037
    echo "build suffix              $build_suffix"
3038
fi
3039
if test "$extra_version" != ""; then
3040
    echo "version string suffix     $extra_version"
3041
fi
3042
echo "big-endian                ${bigendian-no}"
3043
echo "runtime cpu detection     ${runtime_cpudetect-no}"
3044
if enabled x86; then
3045
    echo "yasm                      ${yasm-no}"
3046
    echo "MMX enabled               ${mmx-no}"
3047
    echo "MMX2 enabled              ${mmx2-no}"
3048
    echo "3DNow! enabled            ${amd3dnow-no}"
3049
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
3050
    echo "SSE enabled               ${sse-no}"
3051
    echo "SSSE3 enabled             ${ssse3-no}"
3052
    echo "CMOV enabled              ${cmov-no}"
3053
    echo "CMOV is fast              ${fast_cmov-no}"
3054
    echo "EBX available             ${ebx_available-no}"
3055
    echo "EBP available             ${ebp_available-no}"
3056
    echo "10 operands supported     ${ten_operands-no}"
3057
fi
3058
if enabled arm; then
3059
    echo "ARMv5TE enabled           ${armv5te-no}"
3060
    echo "ARMv6 enabled             ${armv6-no}"
3061
    echo "ARMv6T2 enabled           ${armv6t2-no}"
3062
    echo "ARM VFP enabled           ${armvfp-no}"
3063
    echo "IWMMXT enabled            ${iwmmxt-no}"
3064
    echo "NEON enabled              ${neon-no}"
3065
fi
3066
if enabled mips; then
3067
    echo "MMI enabled               ${mmi-no}"
3068
fi
3069
if enabled ppc; then
3070
    echo "AltiVec enabled           ${altivec-no}"
3071
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
3072
    echo "dcbzl available           ${dcbzl-no}"
3073
fi
3074
if enabled sparc; then
3075
    echo "VIS enabled               ${vis-no}"
3076
fi
3077
echo "debug symbols             ${debug-no}"
3078
echo "strip symbols             ${stripping-no}"
3079
echo "optimizations             ${optimizations-no}"
3080
echo "static                    ${static-no}"
3081
echo "shared                    ${shared-no}"
3082
echo "postprocessing support    ${postproc-no}"
3083
echo "new filter support        ${avfilter-no}"
3084
echo "network support           ${network-no}"
3085
echo "threading support         ${thread_type-no}"
3086
echo "SDL support               ${sdl-no}"
3087
echo "Sun medialib support      ${mlib-no}"
3088
echo "AVISynth enabled          ${avisynth-no}"
3089
echo "frei0r enabled            ${frei0r-no}"
3090
echo "libdc1394 support         ${libdc1394-no}"
3091
echo "libdirac enabled          ${libdirac-no}"
3092
echo "libfaac enabled           ${libfaac-no}"
3093
echo "libgsm enabled            ${libgsm-no}"
3094
echo "libmp3lame enabled        ${libmp3lame-no}"
3095
echo "libnut enabled            ${libnut-no}"
3096
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3097
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3098
echo "libopencv support         ${libopencv-no}"
3099
echo "libopenjpeg enabled       ${libopenjpeg-no}"
3100
echo "librtmp enabled           ${librtmp-no}"
3101
echo "libschroedinger enabled   ${libschroedinger-no}"
3102
echo "libspeex enabled          ${libspeex-no}"
3103
echo "libtheora enabled         ${libtheora-no}"
3104
echo "libvorbis enabled         ${libvorbis-no}"
3105
echo "libvpx enabled            ${libvpx-no}"
3106
echo "libx264 enabled           ${libx264-no}"
3107
echo "libxavs enabled           ${libxavs-no}"
3108
echo "libxvid enabled           ${libxvid-no}"
3109
echo "zlib enabled              ${zlib-no}"
3110
echo "bzlib enabled             ${bzlib-no}"
3111
echo
3112

    
3113
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3114
    echo "Enabled ${type}s:"
3115
    eval list=\$$(toupper $type)_LIST
3116
    print_enabled '_*' $list | sort | pr -3 -t
3117
    echo
3118
done
3119

    
3120
license="LGPL version 2.1 or later"
3121
if enabled nonfree; then
3122
    license="nonfree and unredistributable"
3123
elif enabled gplv3; then
3124
    license="GPL version 3 or later"
3125
elif enabled lgplv3; then
3126
    license="LGPL version 3 or later"
3127
elif enabled gpl; then
3128
    license="GPL version 2 or later"
3129
fi
3130

    
3131
echo "License: $license"
3132

    
3133
echo "Creating config.mak and config.h..."
3134

    
3135
# build tree in object directory if source path is different from current one
3136
if enabled source_path_used; then
3137
    DIRS="
3138
        doc
3139
        libavcodec
3140
        libavcodec/$arch
3141
        libavcore
3142
        libavdevice
3143
        libavfilter
3144
        libavfilter/$arch
3145
        libavfilter/libmpcodecs
3146
        libavfilter/libmpcodecs/libvo
3147
        libavformat
3148
        libavutil
3149
        libavutil/$arch
3150
        libpostproc
3151
        libswscale
3152
        libswscale/$arch
3153
        tests
3154
        tools
3155
    "
3156
    FILES="
3157
        Makefile
3158
        common.mak
3159
        subdir.mak
3160
        doc/texi2pod.pl
3161
        libavcodec/Makefile
3162
        libavcodec/${arch}/Makefile
3163
        libavcore/Makefile
3164
        libavdevice/Makefile
3165
        libavfilter/Makefile
3166
        libavfilter/${arch}/Makefile
3167
        libavformat/Makefile
3168
        libavutil/Makefile
3169
        libpostproc/Makefile
3170
        libswscale/Makefile
3171
    "
3172
    map 'mkdir -p $v' $DIRS;
3173
    map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3174
fi
3175

    
3176
enabled stripping || strip="echo skipping strip"
3177

    
3178
config_files="$TMPH config.mak"
3179

    
3180
cat > config.mak <<EOF
3181
# Automatically generated by configure - do not modify!
3182
ifndef FFMPEG_CONFIG_MAK
3183
FFMPEG_CONFIG_MAK=1
3184
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3185
prefix=$prefix
3186
LIBDIR=\$(DESTDIR)$libdir
3187
SHLIBDIR=\$(DESTDIR)$shlibdir
3188
INCDIR=\$(DESTDIR)$incdir
3189
BINDIR=\$(DESTDIR)$bindir
3190
DATADIR=\$(DESTDIR)$datadir
3191
MANDIR=\$(DESTDIR)$mandir
3192
SRC_PATH="$source_path"
3193
SRC_PATH_BARE=$source_path
3194
BUILD_ROOT="$PWD"
3195
CC_IDENT=$cc_ident
3196
ARCH=$arch
3197
CC=$cc
3198
AS=$as
3199
LD=$ld
3200
DEPCC=$dep_cc
3201
YASM=$yasmexe
3202
YASMDEP=$yasmexe
3203
AR=$ar
3204
RANLIB=$ranlib
3205
CP=cp -p
3206
LN_S=$ln_s
3207
STRIP=$strip
3208
CPPFLAGS=$CPPFLAGS
3209
CFLAGS=$CFLAGS
3210
ASFLAGS=$ASFLAGS
3211
CC_O=$CC_O
3212
LDFLAGS=$LDFLAGS
3213
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3214
SHFLAGS=$SHFLAGS
3215
YASMFLAGS=$YASMFLAGS
3216
BUILDSUF=$build_suffix
3217
FULLNAME=$FULLNAME
3218
LIBPREF=$LIBPREF
3219
LIBSUF=$LIBSUF
3220
LIBNAME=$LIBNAME
3221
SLIBPREF=$SLIBPREF
3222
SLIBSUF=$SLIBSUF
3223
EXESUF=$EXESUF
3224
EXTRA_VERSION=$extra_version
3225
DEPFLAGS=$DEPFLAGS
3226
CCDEP=$CCDEP
3227
ASDEP=$ASDEP
3228
CC_DEPFLAGS=$CC_DEPFLAGS
3229
AS_DEPFLAGS=$AS_DEPFLAGS
3230
HOSTCC=$host_cc
3231
HOSTCFLAGS=$host_cflags
3232
HOSTEXESUF=$HOSTEXESUF
3233
HOSTLDFLAGS=$host_ldflags
3234
HOSTLIBS=$host_libs
3235
TARGET_EXEC=$target_exec
3236
TARGET_PATH=$target_path
3237
SDL_LIBS=$sdl_libs
3238
SDL_CFLAGS=$sdl_cflags
3239
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3240
EXTRALIBS=$extralibs
3241
INSTALL=install
3242
LIBTARGET=${LIBTARGET}
3243
SLIBNAME=${SLIBNAME}
3244
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3245
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3246
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3247
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3248
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3249
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3250
SAMPLES=$samples
3251
EOF
3252

    
3253
get_version(){
3254
    name=$1
3255
    file=$source_path/$2
3256
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3257
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3258
    lcname=$(tolower $name)
3259
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3260
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3261
}
3262

    
3263
get_version LIBSWSCALE  libswscale/swscale.h
3264
get_version LIBPOSTPROC libpostproc/postprocess.h
3265
get_version LIBAVCODEC  libavcodec/avcodec.h
3266
get_version LIBAVCORE   libavcore/avcore.h
3267
get_version LIBAVDEVICE libavdevice/avdevice.h
3268
get_version LIBAVFORMAT libavformat/version.h
3269
get_version LIBAVUTIL   libavutil/avutil.h
3270
get_version LIBAVFILTER libavfilter/avfilter.h
3271

    
3272
cat > $TMPH <<EOF
3273
/* Automatically generated by configure - do not modify! */
3274
#ifndef FFMPEG_CONFIG_H
3275
#define FFMPEG_CONFIG_H
3276
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3277
#define FFMPEG_LICENSE "$(c_escape $license)"
3278
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3279
#define CC_TYPE "$cc_type"
3280
#define CC_VERSION $cc_version
3281
#define restrict $_restrict
3282
#define EXTERN_PREFIX "${extern_prefix}"
3283
#define EXTERN_ASM ${extern_prefix}
3284
#define SLIBSUF "$SLIBSUF"
3285
EOF
3286

    
3287
test -n "$malloc_prefix" &&
3288
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3289

    
3290
if enabled small || disabled optimizations; then
3291
    echo "#undef  av_always_inline"  >> $TMPH
3292
    if enabled small; then
3293
        echo "#define av_always_inline inline"  >> $TMPH
3294
    else
3295
        echo "#define av_always_inline av_unused"  >> $TMPH
3296
    fi
3297
fi
3298

    
3299
if enabled yasm; then
3300
    append config_files $TMPASM
3301
    printf '' >$TMPASM
3302
fi
3303

    
3304
print_config ARCH_   "$config_files" $ARCH_LIST
3305
print_config HAVE_   "$config_files" $HAVE_LIST
3306
print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3307
                                     $CONFIG_EXTRA      \
3308
                                     $DECODER_LIST      \
3309
                                     $ENCODER_LIST      \
3310
                                     $HWACCEL_LIST      \
3311
                                     $PARSER_LIST       \
3312
                                     $BSF_LIST          \
3313
                                     $DEMUXER_LIST      \
3314
                                     $MUXER_LIST        \
3315
                                     $FILTER_LIST       \
3316
                                     $PROTOCOL_LIST     \
3317
                                     $INDEV_LIST        \
3318
                                     $OUTDEV_LIST       \
3319

    
3320
cat >>config.mak <<EOF
3321
ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3322
VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3323
LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3324
LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3325
SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3326
EOF
3327

    
3328
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3329
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3330

    
3331
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3332
cp_if_changed $TMPH config.h
3333
touch .config
3334

    
3335
enabled yasm && cp_if_changed $TMPASM config.asm
3336

    
3337
cat > $TMPH <<EOF
3338
/* Generated by ffconf */
3339
#ifndef AVUTIL_AVCONFIG_H
3340
#define AVUTIL_AVCONFIG_H
3341
EOF
3342

    
3343
print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3344

    
3345
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3346

    
3347
cp_if_changed $TMPH libavutil/avconfig.h
3348

    
3349
test -n "$WARNINGS" && printf "\n$WARNINGS"
3350

    
3351
# build pkg-config files
3352

    
3353
pkgconfig_generate(){
3354
name=$1
3355
shortname=${name#lib}${build_suffix}
3356
comment=$2
3357
version=$3
3358
libs=$4
3359
requires=$5
3360
enabled ${name#lib} || return 0
3361
cat <<EOF > $name/$name.pc
3362
prefix=$prefix
3363
exec_prefix=\${prefix}
3364
libdir=$libdir
3365
includedir=$incdir
3366

    
3367
Name: $name
3368
Description: $comment
3369
Version: $version
3370
Requires: $(enabled shared || echo $requires)
3371
Requires.private: $(enabled shared && echo $requires)
3372
Conflicts:
3373
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3374
Libs.private: $(enabled shared && echo $libs)
3375
Cflags: -I\${includedir}
3376
EOF
3377
cat <<EOF > $name/$name-uninstalled.pc
3378
prefix=
3379
exec_prefix=
3380
libdir=\${pcfiledir}
3381
includedir=${source_path}
3382

    
3383
Name: $name
3384
Description: $comment
3385
Version: $version
3386
Requires: $requires
3387
Conflicts:
3388
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3389
Cflags: -I\${includedir}
3390
EOF
3391
}
3392

    
3393
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3394
pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3395
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3396
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3397
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3398
pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3399
pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3400
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"