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

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

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

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

    
74
Configuration options:
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  --disable-static         do not build static libraries [no]
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  --enable-shared          build shared libraries [no]
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  --enable-gpl             allow use of GPL code, the resulting libs
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                           and binaries will be under GPL [no]
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  --enable-version3        upgrade (L)GPL to version 3 [no]
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  --enable-nonfree         allow use of nonfree code, the resulting libs
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                           and binaries will be unredistributable [no]
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  --disable-doc            do not build documentation
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  --disable-ffmpeg         disable ffmpeg build
84
  --disable-ffplay         disable ffplay build
85
  --disable-ffprobe        disable ffprobe build
86
  --disable-ffserver       disable ffserver build
87
  --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
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  --enable-postproc        enable GPLed postprocessing support [no]
93
  --disable-avfilter       disable video filter support [no]
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  --disable-pthreads       disable pthreads [auto]
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  --enable-w32threads      use Win32 threads [no]
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  --enable-x11grab         enable X11 grabbing [no]
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  --disable-network        disable network support [no]
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  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
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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
114
  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115
  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
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  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
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  --disable-everything     disable all components listed below
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  --disable-encoder=NAME   disable encoder NAME
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  --enable-encoder=NAME    enable encoder NAME
120
  --disable-encoders       disable all encoders
121
  --disable-decoder=NAME   disable decoder NAME
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  --enable-decoder=NAME    enable decoder NAME
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  --disable-decoders       disable all decoders
124
  --disable-hwaccel=NAME   disable hwaccel NAME
125
  --enable-hwaccel=NAME    enable hwaccel NAME
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  --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
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  --disable-outdev=NAME    disable output device NAME
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  --disable-indevs         disable input devices
145
  --disable-outdevs        disable output devices
146
  --disable-devices        disable all devices
147
  --enable-filter=NAME     enable filter NAME
148
  --disable-filter=NAME    disable filter NAME
149
  --disable-filters        disable all filters
150
  --list-decoders          show all available decoders
151
  --list-encoders          show all available encoders
152
  --list-hwaccels          show all available hardware accelerators
153
  --list-muxers            show all available muxers
154
  --list-demuxers          show all available demuxers
155
  --list-parsers           show all available parsers
156
  --list-protocols         show all available protocols
157
  --list-bsfs              show all available bitstream filters
158
  --list-indevs            show all available input devices
159
  --list-outdevs           show all available output devices
160
  --list-filters           show all available filters
161

    
162
External library support:
163
  --enable-avisynth        enable reading of AVISynth script files [no]
164
  --enable-bzlib           enable bzlib [autodetect]
165
  --enable-frei0r          enable frei0r video filtering
166
  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168
  --enable-libopencv       enable video filtering via libopencv [no]
169
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
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                           and libraw1394 [no]
171
  --enable-libdirac        enable Dirac support via libdirac [no]
172
  --enable-libfaac         enable FAAC support via libfaac [no]
173
  --enable-libgsm          enable GSM support via libgsm [no]
174
  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
175
  --enable-libnut          enable NUT (de)muxing via libnut,
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                           native (de)muxer exists [no]
177
  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
178
  --enable-librtmp         enable RTMP[E] support via librtmp [no]
179
  --enable-libschroedinger enable Dirac support via libschroedinger [no]
180
  --enable-libspeex        enable Speex decoding via libspeex [no]
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  --enable-libtheora       enable Theora encoding via libtheora [no]
182
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
183
                           native implementation exists [no]
184
  --enable-libvpx          enable VP8 support via libvpx [no]
185
  --enable-libx264         enable H.264 encoding via x264 [no]
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
map(){
325
    m=$1
326
    shift
327
    for v; do eval $m; done
328
}
329

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
931
THREADS_LIST='
932
    pthreads
933
    w32threads
934
'
935

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

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

    
979
HAVE_LIST_PUB='
980
    bigendian
981
    fast_unaligned
982
'
983

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

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

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

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

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

    
1147
CMDLINE_APPEND="
1148
    extra_cflags
1149
"
1150

    
1151
# code dependency declarations
1152

    
1153
# architecture extensions
1154

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

    
1162
mmi_deps="mips"
1163

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

    
1167
vis_deps="sparc"
1168

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

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

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

    
1185
symver_if_any="symver_asm_label symver_gnu_asm"
1186

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

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

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

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

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

    
1354
# demuxers / muxers
1355
ac3_demuxer_deps="ac3_parser"
1356
asf_stream_muxer_select="asf_muxer"
1357
avisynth_demuxer_deps="avisynth"
1358
dirac_demuxer_deps="dirac_parser"
1359
eac3_demuxer_select="ac3_parser"
1360
flac_demuxer_deps="flac_parser"
1361
ipod_muxer_select="mov_muxer"
1362
libnut_demuxer_deps="libnut"
1363
libnut_muxer_deps="libnut"
1364
matroska_audio_muxer_select="matroska_muxer"
1365
matroska_demuxer_suggest="zlib bzlib"
1366
mov_demuxer_suggest="zlib"
1367
mp3_demuxer_deps="mpegaudio_parser"
1368
mp4_muxer_select="mov_muxer"
1369
mpegtsraw_demuxer_select="mpegts_demuxer"
1370
mxf_d10_muxer_select="mxf_muxer"
1371
ogg_demuxer_select="golomb"
1372
psp_muxer_select="mov_muxer"
1373
rtp_demuxer_select="sdp_demuxer"
1374
rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1375
rtsp_demuxer_select="http_protocol rtpdec"
1376
rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1377
sap_demuxer_select="sdp_demuxer"
1378
sap_muxer_select="rtp_muxer rtp_protocol"
1379
sdp_demuxer_select="rtpdec"
1380
spdif_muxer_select="aac_parser"
1381
tg2_muxer_select="mov_muxer"
1382
tgp_muxer_select="mov_muxer"
1383
w64_demuxer_deps="wav_demuxer"
1384

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

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

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

    
1422
# libraries
1423
avdevice_deps="avcodec avformat"
1424
avformat_deps="avcodec"
1425

    
1426
# programs
1427
ffmpeg_deps="avcodec avformat swscale"
1428
ffmpeg_select="buffer_filter"
1429
ffplay_deps="avcodec avformat swscale sdl"
1430
ffplay_select="rdft"
1431
ffprobe_deps="avcodec avformat"
1432
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1433
ffserver_extralibs='$ldl'
1434

    
1435
doc_deps="texi2html"
1436

    
1437
# tests
1438

    
1439
test_deps(){
1440
    suf1=$1
1441
    suf2=$2
1442
    shift 2
1443
    for v; do
1444
        dep=${v%=*}
1445
        tests=${v#*=}
1446
        for name in ${tests}; do
1447
            eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1448
        done
1449
    done
1450
}
1451

    
1452
set_ne_test_deps(){
1453
    eval ${1}_be_test_deps="bigendian"
1454
    eval ${1}_le_test_deps="!bigendian"
1455
}
1456

    
1457
test_deps _encoder _decoder                                             \
1458
    adpcm_g726=g726                                                     \
1459
    adpcm_ima_qt                                                        \
1460
    adpcm_ima_wav                                                       \
1461
    adpcm_ms                                                            \
1462
    adpcm_swf                                                           \
1463
    adpcm_yamaha=adpcm_yam                                              \
1464
    alac                                                                \
1465
    asv1                                                                \
1466
    asv2                                                                \
1467
    bmp                                                                 \
1468
    dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1469
    dvvideo="dv dv50"                                                   \
1470
    ffv1                                                                \
1471
    flac                                                                \
1472
    flashsv                                                             \
1473
    flv                                                                 \
1474
    gif                                                                 \
1475
    h261                                                                \
1476
    h263="h263 h263p"                                                   \
1477
    huffyuv                                                             \
1478
    jpegls                                                              \
1479
    mjpeg="jpg mjpeg ljpeg"                                             \
1480
    mp2                                                                 \
1481
    mpeg1video="mpeg mpeg1b"                                            \
1482
    mpeg2video="mpeg2 mpeg2thread"                                      \
1483
    mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1484
    msmpeg4v3=msmpeg4                                                   \
1485
    msmpeg4v2                                                           \
1486
    pbm=pbmpipe                                                         \
1487
    pcx                                                                 \
1488
    pgm="pgm pgmpipe"                                                   \
1489
    ppm="ppm ppmpipe"                                                   \
1490
    rawvideo="rgb yuv"                                                  \
1491
    roq                                                                 \
1492
    rv10                                                                \
1493
    rv20                                                                \
1494
    sgi                                                                 \
1495
    snow="snow snowll"                                                  \
1496
    svq1                                                                \
1497
    targa=tga                                                           \
1498
    tiff                                                                \
1499
    wmav1                                                               \
1500
    wmav2                                                               \
1501
    wmv1                                                                \
1502
    wmv2                                                                \
1503

    
1504
test_deps _muxer _demuxer                                               \
1505
    aiff                                                                \
1506
    pcm_alaw=alaw                                                       \
1507
    asf                                                                 \
1508
    au                                                                  \
1509
    avi                                                                 \
1510
    dv=dv_fmt                                                           \
1511
    ffm                                                                 \
1512
    flv=flv_fmt                                                         \
1513
    gxf                                                                 \
1514
    matroska=mkv                                                        \
1515
    mmf                                                                 \
1516
    mov                                                                 \
1517
    pcm_mulaw=mulaw                                                     \
1518
    mxf                                                                 \
1519
    nut                                                                 \
1520
    ogg                                                                 \
1521
    rawvideo=pixfmt                                                     \
1522
    rm                                                                  \
1523
    swf                                                                 \
1524
    mpegts=ts                                                           \
1525
    voc                                                                 \
1526
    wav                                                                 \
1527
    yuv4mpegpipe=yuv4mpeg                                               \
1528

    
1529
ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1530
mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1531

    
1532
set_ne_test_deps pixdesc
1533
set_ne_test_deps pixfmts_copy
1534
set_ne_test_deps pixfmts_crop
1535
set_ne_test_deps pixfmts_hflip
1536
set_ne_test_deps pixfmts_null
1537
set_ne_test_deps pixfmts_pad
1538
set_ne_test_deps pixfmts_scale
1539
set_ne_test_deps pixfmts_vflip
1540

    
1541
# default parameters
1542

    
1543
logfile="config.log"
1544

    
1545
# installation paths
1546
prefix_default="/usr/local"
1547
bindir_default='${prefix}/bin'
1548
datadir_default='${prefix}/share/ffmpeg'
1549
incdir_default='${prefix}/include'
1550
libdir_default='${prefix}/lib'
1551
mandir_default='${prefix}/share/man'
1552
shlibdir_default="$libdir_default"
1553

    
1554
# toolchain
1555
ar_default="ar"
1556
cc_default="gcc"
1557
cc_version=\"unknown\"
1558
host_cc_default="gcc"
1559
ln_s="ln -sf"
1560
nm_default="nm"
1561
objformat="elf"
1562
ranlib="ranlib"
1563
strip_default="strip"
1564
yasmexe="yasm"
1565
nogas=":"
1566

    
1567
nm_opts='-g'
1568

    
1569
# machine
1570
arch_default=$(uname -m)
1571
cpu="generic"
1572

    
1573
# OS
1574
target_os_default=$(tolower $(uname -s))
1575
host_os=$target_os_default
1576

    
1577
# configurable options
1578
enable avcodec
1579
enable avcore
1580
enable avdevice
1581
enable avfilter
1582
enable avformat
1583
enable avutil
1584
enable asm
1585
enable debug
1586
enable doc
1587
enable fastdiv
1588
enable ffmpeg
1589
enable ffplay
1590
enable ffprobe
1591
enable ffserver
1592
enable mpegaudio_hp
1593
enable network
1594
enable optimizations
1595
enable protocols
1596
enable static
1597
enable stripping
1598
enable swscale
1599
enable swscale_alpha
1600

    
1601
# build settings
1602
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1603
FFSERVERLDFLAGS=-Wl,-E
1604
LIBPREF="lib"
1605
LIBSUF=".a"
1606
FULLNAME='$(NAME)$(BUILDSUF)'
1607
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1608
SLIBPREF="lib"
1609
SLIBSUF=".so"
1610
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1611
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1612
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1613
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1614

    
1615
CC_O='-o $@'
1616

    
1617
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1618
host_libs='-lm'
1619

    
1620
target_path='$(CURDIR)'
1621

    
1622
# since the object filename is not given with the -MM flag, the compiler
1623
# is only able to print the basename, and we must add the path ourselves
1624
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1625
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1626

    
1627
# find source path
1628
source_path="$(dirname "$0")"
1629
enable source_path_used
1630
if test -f configure; then
1631
    source_path="$(pwd)"
1632
    disable source_path_used
1633
else
1634
    source_path="$(cd "$source_path"; pwd)"
1635
    echo "$source_path" | grep -q '[[:blank:]]' &&
1636
        die "Out of tree builds are impossible with whitespace in source path."
1637
    test -e "$source_path/config.h" &&
1638
        die "Out of tree builds are impossible with config.h in source dir."
1639
fi
1640

    
1641
for v in "$@"; do
1642
    r=${v#*=}
1643
    l=${v%"$r"}
1644
    r=$(sh_quote "$r")
1645
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1646
done
1647

    
1648
find_things(){
1649
    thing=$1
1650
    pattern=$2
1651
    file=$source_path/$3
1652
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1653
}
1654

    
1655
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1656
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1657
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1658
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1659
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1660
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1661
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1662
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1663
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1664
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1665
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1666

    
1667
find_tests(){
1668
    map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1669
}
1670

    
1671
ACODEC_TESTS=$(find_tests acodec)
1672
VCODEC_TESTS=$(find_tests vsynth1)
1673
LAVF_TESTS=$(find_tests lavf)
1674
LAVFI_TESTS=$(find_tests lavfi)
1675
SEEK_TESTS=$(find_tests seek seek_)
1676

    
1677
pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1678

    
1679
for n in $COMPONENT_LIST; do
1680
    v=$(toupper ${n%s})_LIST
1681
    eval enable \$$v
1682
    eval ${n}_if_any="\$$v"
1683
done
1684

    
1685
enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1686

    
1687
die_unknown(){
1688
    echo "Unknown option \"$1\"."
1689
    echo "See $0 --help for available options."
1690
    exit 1
1691
}
1692

    
1693
show_list() {
1694
    suffix=_$1
1695
    shift
1696
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1697
    exit 0
1698
}
1699

    
1700
for opt do
1701
    optval="${opt#*=}"
1702
    case "$opt" in
1703
    --extra-ldflags=*) add_ldflags $optval
1704
    ;;
1705
    --extra-libs=*) add_extralibs $optval
1706
    ;;
1707
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1708
    ;;
1709
    --enable-debug=*) debuglevel="$optval"
1710
    ;;
1711
    --disable-everything)
1712
    map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1713
    ;;
1714
    --enable-*=*|--disable-*=*)
1715
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1716
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1717
    eval list=\$$(toupper $thing)_LIST
1718
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1719
    $action $(filter "$name" $list)
1720
    ;;
1721
    --enable-?*|--disable-?*)
1722
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1723
    if is_in $option $COMPONENT_LIST; then
1724
        test $action = disable && action=unset
1725
        eval $action \$$(toupper ${option%s})_LIST
1726
    elif is_in $option $CMDLINE_SELECT; then
1727
        $action $option
1728
    else
1729
        die_unknown $opt
1730
    fi
1731
    ;;
1732
    --list-*)
1733
        NAME="${opt#--list-}"
1734
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1735
        NAME=${NAME%s}
1736
        eval show_list $NAME \$$(toupper $NAME)_LIST
1737
    ;;
1738
    --help|-h) show_help
1739
    ;;
1740
    *)
1741
    optname="${opt%%=*}"
1742
    optname="${optname#--}"
1743
    optname=$(echo "$optname" | sed 's/-/_/g')
1744
    if is_in $optname $CMDLINE_SET; then
1745
        eval $optname='$optval'
1746
    elif is_in $optname $CMDLINE_APPEND; then
1747
        append $optname "$optval"
1748
    else
1749
         die_unknown $opt
1750
    fi
1751
    ;;
1752
    esac
1753
done
1754

    
1755
disabled logging && logfile=/dev/null
1756

    
1757
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1758
set >> $logfile
1759

    
1760
test -n "$cross_prefix" && enable cross_compile
1761

    
1762
if enabled cross_compile; then
1763
    test -n "$arch" && test -n "$target_os" ||
1764
        die "Must specify target arch and OS when cross-compiling"
1765
fi
1766

    
1767
set_default arch target_os
1768

    
1769
ar_default="${cross_prefix}${ar_default}"
1770
cc_default="${cross_prefix}${cc_default}"
1771
nm_default="${cross_prefix}${nm_default}"
1772
ranlib="${cross_prefix}${ranlib}"
1773
strip_default="${cross_prefix}${strip_default}"
1774

    
1775
sysinclude_default="${sysroot}/usr/include"
1776

    
1777
set_default cc nm strip sysinclude
1778
enabled cross_compile || host_cc_default=$cc
1779
set_default host_cc
1780

    
1781
exesuf() {
1782
    case $1 in
1783
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1784
    esac
1785
}
1786

    
1787
EXESUF=$(exesuf $target_os)
1788
HOSTEXESUF=$(exesuf $host_os)
1789

    
1790
# set temporary file name
1791
: ${TMPDIR:=$TEMPDIR}
1792
: ${TMPDIR:=$TMP}
1793
: ${TMPDIR:=/tmp}
1794

    
1795
if ! check_cmd type mktemp; then
1796
    # simple replacement for missing mktemp
1797
    # NOT SAFE FOR GENERAL USE
1798
    mktemp(){
1799
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1800
    }
1801
fi
1802

    
1803
tmpfile(){
1804
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1805
        (set -C; exec > $tmp) 2>/dev/null ||
1806
        die "Unable to create temporary file in $TMPDIR."
1807
    append TMPFILES $tmp
1808
    eval $1=$tmp
1809
}
1810

    
1811
trap 'rm -f -- $TMPFILES' EXIT
1812
trap exit HUP INT TERM
1813

    
1814
tmpfile TMPC  .c
1815
tmpfile TMPE  $EXESUF
1816
tmpfile TMPH  .h
1817
tmpfile TMPO  .o
1818
tmpfile TMPS  .S
1819
tmpfile TMPV  .ver
1820
tmpfile TMPSH .sh
1821
tmpfile TMPASM .asm
1822

    
1823
unset -f mktemp
1824

    
1825
# make sure we can execute files in $TMPDIR
1826
cat > $TMPSH 2>> $logfile <<EOF
1827
#! /bin/sh
1828
EOF
1829
chmod +x $TMPSH >> $logfile 2>&1
1830
if ! $TMPSH >> $logfile 2>&1; then
1831
    cat <<EOF
1832
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1833
variable to another directory and make sure that it is not mounted noexec.
1834
EOF
1835
    die "Sanity test failed."
1836
fi
1837

    
1838
filter_cflags=echo
1839
filter_cppflags=echo
1840
filter_asflags=echo
1841

    
1842
if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1843
    cc_type=llvm_gcc
1844
    cc_version=__VERSION__
1845
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1846
    cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1847
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1848
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1849
    speed_cflags='-O3'
1850
    size_cflags='-Os'
1851
elif $cc -v 2>&1 | grep -qi ^gcc; then
1852
    cc_type=gcc
1853
    cc_version=__VERSION__
1854
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1855
    cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1856
    if ! $cc -dumpversion | grep -q '^2\.'; then
1857
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1858
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1859
    fi
1860
    speed_cflags='-O3'
1861
    size_cflags='-Os'
1862
elif $cc --version 2>/dev/null | grep -q Intel; then
1863
    cc_type=icc
1864
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1865
    cc_ident=$($cc --version | head -n1)
1866
    icc_version=$($cc -dumpversion)
1867
    CC_DEPFLAGS='-MMD'
1868
    AS_DEPFLAGS='-MMD'
1869
    speed_cflags='-O3'
1870
    size_cflags='-Os'
1871
    noopt_cflags='-O1'
1872
elif $cc -v 2>&1 | grep -q xlc; then
1873
    cc_type=xlc
1874
    cc_version="AV_STRINGIFY(__IBMC__)"
1875
    cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1876
    speed_cflags='-O5'
1877
    size_cflags='-O5 -qcompact'
1878
elif $cc -V 2>/dev/null | grep -q Compaq; then
1879
    cc_type=ccc
1880
    cc_version="AV_STRINGIFY(__DECC_VER)"
1881
    cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1882
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1883
    debuglevel=3
1884
    add_ldflags -Wl,-z,now # calls to libots crash without this
1885
    speed_cflags='-fast'
1886
    size_cflags='-O1'
1887
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1888
    test -d "$sysroot" || die "No valid sysroot specified."
1889
    cc_type=armcc
1890
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1891
    cc_ident=$($cc --vsn | head -n1)
1892
    armcc_conf="$PWD/armcc.conf"
1893
    $cc --arm_linux_configure                 \
1894
        --arm_linux_config_file="$armcc_conf" \
1895
        --configure_sysroot="$sysroot"        \
1896
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1897
        die "Error creating armcc configuration file."
1898
    $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1899
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1900
    as_default="${cross_prefix}gcc"
1901
    CC_DEPFLAGS='-MMD'
1902
    AS_DEPFLAGS='-MMD'
1903
    speed_cflags='-O3'
1904
    size_cflags='-Os'
1905
elif $cc -version 2>/dev/null | grep -q TMS470; then
1906
    cc_type=tms470
1907
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1908
    cc_ident=$($cc -version | head -n1 | tr -s ' ')
1909
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1910
    CC_O='-fr=$(@D)'
1911
    as_default="${cross_prefix}gcc"
1912
    ld_default="${cross_prefix}gcc"
1913
    TMPO=$(basename $TMPC .c).o
1914
    append TMPFILES $TMPO
1915
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1916
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1917
    AS_DEPFLAGS='-MMD'
1918
    speed_cflags='-O3 -mf=5'
1919
    size_cflags='-O3 -mf=2'
1920
    filter_cflags=tms470_flags
1921
    tms470_flags(){
1922
        for flag; do
1923
            case $flag in
1924
                -march=*|-mcpu=*)
1925
                    case "${flag#*=}" in
1926
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1927
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1928
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1929
                        armv6*|arm11*)          echo -mv=6   ;;
1930
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1931
                                                echo -mv=5e  ;;
1932
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1933
                    esac
1934
                    ;;
1935
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1936
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1937
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1938
                -msoft-float)   echo --float_support=vfplib       ;;
1939
                -O[0-3]|-mf=*)  echo $flag                        ;;
1940
                -g)             echo -g -mn                       ;;
1941
                -pds=*)         echo $flag                        ;;
1942
            esac
1943
        done
1944
    }
1945
elif $cc -v 2>&1 | grep -q clang; then
1946
    cc_type=clang
1947
    $cc -dM -E $TMPC | grep -q __clang_version__ &&
1948
        cc_version=__clang_version__ || cc_version=__VERSION__
1949
    cc_ident=$($cc --version | head -n1)
1950
    CC_DEPFLAGS='-MMD'
1951
    AS_DEPFLAGS='-MMD'
1952
    speed_cflags='-O3'
1953
    size_cflags='-Os'
1954
elif $cc -V 2>&1 | grep -q Sun; then
1955
    cc_type=suncc
1956
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1957
    cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1958
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1959
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1960
    speed_cflags='-O5'
1961
    size_cflags='-O5 -xspace'
1962
    filter_cflags=suncc_flags
1963
    suncc_flags(){
1964
        for flag; do
1965
            case $flag in
1966
                -march=*|-mcpu=*)
1967
                    case "${flag#*=}" in
1968
                        native)                   echo -xtarget=native       ;;
1969
                        v9|niagara)               echo -xarch=sparc          ;;
1970
                        ultrasparc)               echo -xarch=sparcvis       ;;
1971
                        ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
1972
                        i586|pentium)             echo -xchip=pentium        ;;
1973
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1974
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1975
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1976
                        pentium4*)          echo -xtarget=pentium4           ;;
1977
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1978
                        *-sse3)             echo -xarch=sse3                 ;;
1979
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1980
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1981
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1982
                        k8|opteron|athlon64|athlon-fx)
1983
                                                  echo -xarch=sse2a          ;;
1984
                        athlon*)                  echo -xarch=pentium_proa   ;;
1985
                    esac
1986
                    ;;
1987
                -std=c99)             echo -xc99              ;;
1988
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1989
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1990
                -W*,*)                echo $flag              ;;
1991
                -f*-*|-W*)                                    ;;
1992
                *)                    echo $flag              ;;
1993
            esac
1994
        done
1995
    }
1996
elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
1997
    cc_type=pathscale
1998
    cc_version=__PATHSCALE__
1999
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2000
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2001
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2002
    speed_cflags='-O2'
2003
    size_cflags='-Os'
2004
elif $cc -v 2>&1 | grep -q Open64; then
2005
    cc_type=open64
2006
    cc_version=__OPEN64__
2007
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2008
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2009
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2010
    speed_cflags='-O2'
2011
    size_cflags='-Os'
2012
fi
2013

    
2014
test -n "$cc_type" && enable $cc_type ||
2015
    warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2016

    
2017
: ${as_default:=$cc}
2018
: ${dep_cc_default:=$cc}
2019
: ${ld_default:=$cc}
2020
set_default ar as dep_cc ld
2021

    
2022
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2023
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2024

    
2025
add_cflags $extra_cflags
2026
add_asflags $extra_cflags
2027

    
2028
if test -n "$sysroot"; then
2029
    case "$cc_type" in
2030
        gcc|llvm_gcc)
2031
            add_cppflags --sysroot="$sysroot"
2032
            add_ldflags --sysroot="$sysroot"
2033
        ;;
2034
        tms470)
2035
            add_cppflags -I"$sysinclude"
2036
            add_ldflags  --sysroot="$sysroot"
2037
        ;;
2038
        clang)
2039
            add_cppflags -isysroot "$sysroot"
2040
            add_ldflags -isysroot "$sysroot"
2041
        ;;
2042
    esac
2043
fi
2044

    
2045
if test "$cpu" = host; then
2046
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2047

    
2048
    case "$cc_type" in
2049
        gcc|llvm_gcc)
2050
            check_native(){
2051
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2052
                sed -n "/$1=/{
2053
                            s/.*$1=\\([^ ]*\\).*/\\1/
2054
                            p
2055
                            q
2056
                        }" $TMPE
2057
            }
2058
            cpu=$(check_native -march || check_native -mcpu)
2059
        ;;
2060
    esac
2061

    
2062
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2063
fi
2064

    
2065
# Deal with common $arch aliases
2066
case "$arch" in
2067
    arm*)
2068
        arch="arm"
2069
    ;;
2070
    mips|mipsel|IP*)
2071
        arch="mips"
2072
    ;;
2073
    mips64*)
2074
        arch="mips"
2075
        subarch="mips64"
2076
    ;;
2077
    parisc|hppa)
2078
        arch="parisc"
2079
    ;;
2080
    parisc64|hppa64)
2081
        arch="parisc"
2082
        subarch="parisc64"
2083
    ;;
2084
    "Power Macintosh"|ppc|powerpc)
2085
        arch="ppc"
2086
    ;;
2087
    ppc64|powerpc64)
2088
        arch="ppc"
2089
        subarch="ppc64"
2090
    ;;
2091
    s390|s390x)
2092
        arch="s390"
2093
    ;;
2094
    sh4|sh)
2095
        arch="sh4"
2096
    ;;
2097
    sun4u|sparc64)
2098
        arch="sparc"
2099
        subarch="sparc64"
2100
    ;;
2101
    i[3-6]86|i86pc|BePC|x86_64|amd64)
2102
        arch="x86"
2103
    ;;
2104
esac
2105

    
2106
is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2107
enable $arch
2108

    
2109
# Add processor-specific flags
2110
if test "$cpu" = generic; then
2111
    : do nothing
2112
elif enabled ppc; then
2113

    
2114
    case $(tolower $cpu) in
2115
        601|ppc601|powerpc601)
2116
            cpuflags="-mcpu=601"
2117
            disable altivec
2118
        ;;
2119
        603*|ppc603*|powerpc603*)
2120
            cpuflags="-mcpu=603"
2121
            disable altivec
2122
        ;;
2123
        604*|ppc604*|powerpc604*)
2124
            cpuflags="-mcpu=604"
2125
            disable altivec
2126
        ;;
2127
        g3|75*|ppc75*|powerpc75*)
2128
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2129
            disable altivec
2130
        ;;
2131
        g4|745*|ppc745*|powerpc745*)
2132
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2133
        ;;
2134
        74*|ppc74*|powerpc74*)
2135
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2136
        ;;
2137
        g5|970|ppc970|powerpc970|power4*)
2138
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2139
        ;;
2140
        cell)
2141
            cpuflags="-mcpu=cell"
2142
            enable ldbrx
2143
        ;;
2144
        e500v2)
2145
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2146
            disable altivec
2147
        ;;
2148
        e500)
2149
            cpuflags="-mcpu=8540 -mhard-float"
2150
            disable altivec
2151
        ;;
2152
    esac
2153

    
2154
elif enabled x86; then
2155

    
2156
    case $cpu in
2157
        i[345]86|pentium)
2158
            cpuflags="-march=$cpu"
2159
            disable mmx
2160
        ;;
2161
        # targets that do NOT support conditional mov (cmov)
2162
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2163
            cpuflags="-march=$cpu"
2164
            disable cmov
2165
        ;;
2166
        # targets that do support conditional mov (cmov)
2167
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2168
            cpuflags="-march=$cpu"
2169
            enable cmov
2170
            enable fast_cmov
2171
        ;;
2172
        # targets that do support conditional mov but on which it's slow
2173
        pentium4|pentium4m|prescott|nocona)
2174
            cpuflags="-march=$cpu"
2175
            enable cmov
2176
            disable fast_cmov
2177
        ;;
2178
    esac
2179

    
2180
elif enabled sparc; then
2181

    
2182
    case $cpu in
2183
        niagara)
2184
            cpuflags="-mcpu=$cpu"
2185
            disable vis
2186
        ;;
2187
        sparc64)
2188
            cpuflags="-mcpu=v9"
2189
        ;;
2190
    esac
2191

    
2192
elif enabled arm; then
2193

    
2194
    case $cpu in
2195
        armv*)
2196
            cpuflags="-march=$cpu"
2197
            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2198
        ;;
2199
        *)
2200
            cpuflags="-mcpu=$cpu"
2201
            case $cpu in
2202
                cortex-a*)                               subarch=armv7a  ;;
2203
                cortex-r*)                               subarch=armv7r  ;;
2204
                cortex-m*)                               subarch=armv7m  ;;
2205
                arm11*)                                  subarch=armv6   ;;
2206
                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2207
                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2208
            esac
2209
        ;;
2210
    esac
2211

    
2212
elif enabled alpha; then
2213

    
2214
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2215

    
2216
elif enabled bfin; then
2217

    
2218
    cpuflags="-mcpu=$cpu"
2219

    
2220
elif enabled mips; then
2221

    
2222
    cpuflags="-march=$cpu"
2223

    
2224
elif enabled avr32; then
2225

    
2226
    case $cpu in
2227
        ap7[02]0[0-2])
2228
            subarch="avr32_ap"
2229
            cpuflags="-mpart=$cpu"
2230
        ;;
2231
        ap)
2232
            subarch="avr32_ap"
2233
            cpuflags="-march=$cpu"
2234
        ;;
2235
        uc3[ab]*)
2236
            subarch="avr32_uc"
2237
            cpuflags="-mcpu=$cpu"
2238
        ;;
2239
        uc)
2240
            subarch="avr32_uc"
2241
            cpuflags="-march=$cpu"
2242
        ;;
2243
    esac
2244

    
2245
fi
2246

    
2247
add_cflags $cpuflags
2248
add_asflags $cpuflags
2249

    
2250
# compiler sanity check
2251
check_exec <<EOF
2252
int main(void){ return 0; }
2253
EOF
2254
if test "$?" != 0; then
2255
    echo "$cc is unable to create an executable file."
2256
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2257
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2258
        echo "Only do this if you know what cross compiling means."
2259
    fi
2260
    die "C compiler test failed."
2261
fi
2262

    
2263
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2264
check_cflags -std=c99
2265
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2266
#include <stdlib.h>
2267
EOF
2268
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2269
#include <stdlib.h>
2270
EOF
2271

    
2272
check_host_cflags -std=c99
2273

    
2274
case "$arch" in
2275
    alpha|ia64|mips|parisc|sparc)
2276
        spic=$shared
2277
    ;;
2278
    x86)
2279
        subarch="x86_32"
2280
        check_cc <<EOF && subarch="x86_64"
2281
        int test[(int)sizeof(char*) - 7];
2282
EOF
2283
        if test "$subarch" = "x86_64"; then
2284
            spic=$shared
2285
        fi
2286
    ;;
2287
esac
2288

    
2289
enable $subarch
2290
enabled spic && enable pic
2291

    
2292
# OS specific
2293
case $target_os in
2294
    haiku)
2295
        prefix_default="/boot/common"
2296
        network_extralibs="-lnetwork"
2297
        ;;
2298
    sunos)
2299
        FFSERVERLDFLAGS=""
2300
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2301
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2302
        network_extralibs="-lsocket -lnsl"
2303
        add_cppflags -D__EXTENSIONS__
2304
        nm_opts='-P -g'
2305
        ;;
2306
    netbsd)
2307
        oss_indev_extralibs="-lossaudio"
2308
        oss_outdev_extralibs="-lossaudio"
2309
        add_cppflags -D_XOPEN_SOURCE=600
2310
        ;;
2311
    openbsd)
2312
        enable malloc_aligned
2313
        # On OpenBSD 4.5. the compiler does not use PIC unless
2314
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2315
        # however the generated executable will not do anything
2316
        # (simply quits with exit-code 1, no crash, no output).
2317
        # Thus explicitly enable PIC here.
2318
        enable pic
2319
        SHFLAGS='-shared'
2320
        oss_indev_extralibs="-lossaudio"
2321
        oss_outdev_extralibs="-lossaudio"
2322
        ;;
2323
    freebsd|dragonfly)
2324
        enable malloc_aligned
2325
        ;;
2326
    bsd/os)
2327
        add_extralibs -lpoll -lgnugetopt
2328
        strip="strip -d"
2329
        ;;
2330
    darwin)
2331
        enable malloc_aligned
2332
        gas="gas-preprocessor.pl $cc"
2333
        enabled ppc && add_asflags -force_cpusubtype_ALL
2334
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2335
        strip="${strip} -x"
2336
        add_ldflags -Wl,-dynamic,-search_paths_first
2337
        SLIBSUF=".dylib"
2338
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2339
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2340
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2341
        objformat="macho"
2342
        enabled x86_64 && objformat="macho64"
2343
        enabled_any pic shared ||
2344
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2345
        ;;
2346
    mingw32*)
2347
        if test $target_os = "mingw32ce"; then
2348
            disable network
2349
        else
2350
            target_os=mingw32
2351
        fi
2352
        LIBTARGET=i386
2353
        if enabled x86_64; then
2354
            enable malloc_aligned
2355
            LIBTARGET=x64
2356
        elif enabled arm; then
2357
            LIBTARGET=arm
2358
        fi
2359
        shlibdir_default="$bindir_default"
2360
        disable ffserver
2361
        SLIBPREF=""
2362
        SLIBSUF=".dll"
2363
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2364
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2365
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2366
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2367
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2368
            install -d "$(LIBDIR)"; \
2369
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2370
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2371
        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'
2372
        objformat="win32"
2373
        enable dos_paths
2374
        check_cflags -fno-common
2375
        check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2376
                                      || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2377
                die "ERROR: MinGW runtime version must be >= 3.15."
2378
        ;;
2379
    cygwin*)
2380
        target_os=cygwin
2381
        shlibdir_default="$bindir_default"
2382
        SLIBPREF="cyg"
2383
        SLIBSUF=".dll"
2384
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2385
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2386
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2387
        objformat="win32"
2388
        enable dos_paths
2389
        check_cflags -fno-common
2390
        ;;
2391
    *-dos|freedos|opendos)
2392
        disable ffplay ffserver
2393
        disable $INDEV_LIST $OUTDEV_LIST
2394
        network_extralibs="-lsocket"
2395
        objformat="coff"
2396
        enable dos_paths
2397
        ;;
2398
    linux)
2399
        enable dv1394
2400
        ;;
2401
    irix*)
2402
        target_os=irix
2403
        ranlib="echo ignoring ranlib"
2404
        ;;
2405
    os/2*)
2406
        strip="lxlite"
2407
        ln_s="cp -f"
2408
        add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2409
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2410
        FFSERVERLDFLAGS=""
2411
        LIBSUF="_s.a"
2412
        SLIBPREF=""
2413
        SLIBSUF=".dll"
2414
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2415
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2416
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2417
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2418
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2419
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2420
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2421
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2422
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2423
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2424
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2425
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2426
        enable dos_paths
2427
        ;;
2428
    gnu/kfreebsd)
2429
        ;;
2430
    gnu)
2431
        ;;
2432
    none)
2433
        ;;
2434
    *)
2435
        die "Unknown OS '$target_os'."
2436
        ;;
2437
esac
2438

    
2439
echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2440

    
2441
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2442

    
2443
set_default $PATHS_LIST
2444

    
2445
# we need to build at least one lib type
2446
if ! enabled_any static shared; then
2447
    cat <<EOF
2448
At least one library type must be built.
2449
Specify --enable-static to build the static libraries or --enable-shared to
2450
build the shared libraries as well. To only build the shared libraries specify
2451
--disable-static in addition to --enable-shared.
2452
EOF
2453
    exit 1;
2454
fi
2455

    
2456
disabled static && LIBNAME=""
2457

    
2458
die_license_disabled() {
2459
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2460
}
2461

    
2462
die_license_disabled gpl libx264
2463
die_license_disabled gpl libxavs
2464
die_license_disabled gpl libxvid
2465
die_license_disabled gpl postproc
2466
die_license_disabled gpl x11grab
2467

    
2468
die_license_disabled nonfree libfaac
2469

    
2470
die_license_disabled version3 libopencore_amrnb
2471
die_license_disabled version3 libopencore_amrwb
2472

    
2473
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2474

    
2475
check_deps $ARCH_EXT_LIST
2476

    
2477
disabled optimizations || check_cflags -fomit-frame-pointer
2478

    
2479
enable_pic() {
2480
    enable pic
2481
    add_cppflags -DPIC
2482
    add_cflags   -fPIC
2483
    add_asflags  -fPIC
2484
}
2485

    
2486
enabled pic && enable_pic
2487

    
2488
check_cc <<EOF || die "Symbol mangling check failed."
2489
int ff_extern;
2490
EOF
2491
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2492
extern_prefix=${sym%%ff_extern*}
2493

    
2494
check_cc <<EOF && enable inline_asm
2495
void foo(void) { __asm__ volatile ("" ::); }
2496
EOF
2497

    
2498
_restrict=
2499
for restrict_keyword in restrict __restrict__ __restrict; do
2500
    check_cc <<EOF && _restrict=$restrict_keyword && break
2501
void foo(char * $restrict_keyword p);
2502
EOF
2503
done
2504

    
2505
check_cc <<EOF && enable attribute_packed
2506
struct { int x; } __attribute__((packed)) x;
2507
EOF
2508

    
2509
check_cc <<EOF && enable attribute_may_alias
2510
union { int x; } __attribute__((may_alias)) x;
2511
EOF
2512

    
2513
check_cc <<EOF || die "endian test failed"
2514
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2515
EOF
2516
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2517

    
2518
if enabled alpha; then
2519

    
2520
    check_cflags -mieee
2521

    
2522
elif enabled arm; then
2523

    
2524
    check_cflags -marm
2525
    nogas=die
2526

    
2527
    check_ld <<EOF && enable vfp_args
2528
__asm__ (".eabi_attribute 28, 1");
2529
int main(void) { return 0; }
2530
EOF
2531

    
2532
    # We have to check if pld is a nop and disable it.
2533
    check_asm pld '"pld [r0]"'
2534

    
2535
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2536
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2537
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2538
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2539
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2540
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2541

    
2542
    enabled_all armv6t2 shared !pic && enable_pic
2543

    
2544
elif enabled mips; then
2545

    
2546
    check_asm loongson '"dmult.g $1, $2, $3"'
2547
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2548

    
2549
elif enabled ppc; then
2550

    
2551
    enable local_aligned_8 local_aligned_16
2552

    
2553
    check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2554
    check_asm ibm_asm   '"add 0, 0, 0"'
2555
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2556
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2557

    
2558
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2559
    if enabled altivec; then
2560
        nogas=warn
2561
        check_cflags -maltivec -mabi=altivec &&
2562
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2563
        check_cflags -faltivec
2564

    
2565
        # check if our compiler supports Motorola AltiVec C API
2566
        check_cc <<EOF || disable altivec
2567
$inc_altivec_h
2568
int main(void) {
2569
    vector signed int v1, v2, v3;
2570
    v1 = vec_add(v2,v3);
2571
    return 0;
2572
}
2573
EOF
2574

    
2575
        # check if our compiler supports braces for vector declarations
2576
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2577
$inc_altivec_h
2578
int main (void) { (vector int) {1}; return 0; }
2579
EOF
2580
    fi
2581

    
2582
elif enabled sparc; then
2583

    
2584
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2585
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2586

    
2587
elif enabled x86; then
2588

    
2589
    enable local_aligned_8 local_aligned_16
2590

    
2591
    # check whether EBP is available on x86
2592
    # As 'i' is stored on the stack, this program will crash
2593
    # if the base pointer is used to access it because the
2594
    # base pointer is cleared in the inline assembly code.
2595
    check_exec_crash <<EOF && enable ebp_available
2596
    volatile int i=0;
2597
    __asm__ volatile (
2598
        "xorl %%ebp, %%ebp"
2599
    ::: "%ebp");
2600
    return i;
2601
EOF
2602

    
2603
    # check whether EBX is available on x86
2604
    check_asm ebx_available '""::"b"(0)' &&
2605
        check_asm ebx_available '"":::"%ebx"'
2606

    
2607
    # check whether xmm clobbers are supported
2608
    check_asm xmm_clobbers '"":::"%xmm0"'
2609

    
2610
    # check whether more than 10 operands are supported
2611
    check_cc <<EOF && enable ten_operands
2612
int main(void) {
2613
    int x=0;
2614
    __asm__ volatile(
2615
        ""
2616
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2617
    );
2618
    return 0;
2619
}
2620
EOF
2621

    
2622
    # check whether binutils is new enough to compile SSSE3/MMX2
2623
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2624
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2625

    
2626
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2627

    
2628
    if ! disabled_any asm mmx yasm; then
2629
        if check_cmd $yasmexe --version; then
2630
            enabled x86_64 && yasm_extra="-m amd64"
2631
            yasm_debug="-g dwarf2"
2632
        elif check_cmd nasm -v; then
2633
            yasmexe=nasm
2634
            yasm_debug="-g -F dwarf"
2635
            enabled x86_64 && test "$objformat" = elf && objformat=elf64
2636
        fi
2637

    
2638
        YASMFLAGS="-f $objformat $yasm_extra"
2639
        enabled pic               && append YASMFLAGS "-DPIC"
2640
        test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2641
        case "$objformat" in
2642
            elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2643
        esac
2644

    
2645
        check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2646
            die "yasm not found, use --disable-yasm for a crippled build"
2647
    fi
2648

    
2649
    case "$cpu" in
2650
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2651
            disable fast_clz
2652
        ;;
2653
    esac
2654

    
2655
fi
2656

    
2657
if enabled asm; then
2658
    as=${gas:=$as}
2659
    check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2660
        $nogas "GNU assembler not found, install gas-preprocessor"
2661
fi
2662

    
2663
if check_func dlopen; then
2664
    ldl=
2665
elif check_func dlopen -ldl; then
2666
    ldl=-ldl
2667
fi
2668

    
2669
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2670
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2671

    
2672
check_func  fcntl
2673
check_func  fork
2674
check_func  getaddrinfo $network_extralibs
2675
check_func  gethrtime
2676
check_func  getrusage
2677
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2678
check_func  inet_aton $network_extralibs
2679
check_func  isatty
2680
check_func  ${malloc_prefix}memalign            && enable memalign
2681
check_func  mkstemp
2682
check_func  mmap
2683
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2684
check_func  setrlimit
2685
check_func  strerror_r
2686
check_func  strtok_r
2687
check_func_headers io.h setmode
2688
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2689
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2690
check_func_headers windows.h GetProcessTimes
2691
check_func_headers windows.h MapViewOfFile
2692
check_func_headers windows.h VirtualAlloc
2693

    
2694
check_header conio.h
2695
check_header dlfcn.h
2696
check_header dxva2api.h
2697
check_header malloc.h
2698
check_header poll.h
2699
check_header sys/mman.h
2700
check_header sys/resource.h
2701
check_header sys/select.h
2702
check_header termios.h
2703
check_header vdpau/vdpau.h
2704
check_header vdpau/vdpau_x11.h
2705
check_header X11/extensions/XvMClib.h
2706

    
2707
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2708

    
2709
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2710
     enabled_any $need_memalign ; then
2711
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2712
fi
2713

    
2714
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2715
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2716

    
2717
# check for some common methods of building with pthread support
2718
# do this before the optional library checks as some of them require pthreads
2719
if ! disabled pthreads && ! enabled w32threads; then
2720
    enable pthreads
2721
    if check_func pthread_create; then
2722
        :
2723
    elif check_func pthread_create -pthread; then
2724
        add_cflags -pthread
2725
        add_extralibs -pthread
2726
    elif check_func pthread_create -pthreads; then
2727
        add_cflags -pthreads
2728
        add_extralibs -pthreads
2729
    elif check_func pthread_create -lpthreadGC2; then
2730
        add_extralibs -lpthreadGC2
2731
    elif ! check_lib pthread.h pthread_create -lpthread; then
2732
        disable pthreads
2733
    fi
2734
fi
2735

    
2736
for thread in $THREADS_LIST; do
2737
    if enabled $thread; then
2738
        test -n "$thread_type" &&
2739
            die "ERROR: Only one thread type must be selected." ||
2740
            thread_type="$thread"
2741
    fi
2742
done
2743

    
2744
check_lib math.h sin -lm
2745
disabled vaapi || check_lib va/va.h vaInitialize -lva
2746

    
2747
check_mathfunc exp2
2748
check_mathfunc exp2f
2749
check_mathfunc llrint
2750
check_mathfunc llrintf
2751
check_mathfunc log2
2752
check_mathfunc log2f
2753
check_mathfunc lrint
2754
check_mathfunc lrintf
2755
check_mathfunc round
2756
check_mathfunc roundf
2757
check_mathfunc truncf
2758

    
2759
# these are off by default, so fail if requested and not available
2760
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2761
enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2762
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2763
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2764
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2765
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2766
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2767
enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2768
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2769
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2770
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2771
enabled libopencv  && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2772
                        die "ERROR: libopencv not found"; }
2773
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2774
enabled librtmp    && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2775
                        die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2776
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2777
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2778
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2779
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2780
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2781
enabled libvpx     && {
2782
    enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2783
                                die "ERROR: libvpx decoder version must be >=0.9.1"; }
2784
    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2785
                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2786
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2787
                      { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2788
                        die "ERROR: libx264 version must be >= 0.99."; }
2789
enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2790
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2791
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2792

    
2793
# libdc1394 check
2794
if enabled libdc1394; then
2795
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2796
        enable libdc1394_2; } ||
2797
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2798
        enable libdc1394_1; } ||
2799
    die "ERROR: No version of libdc1394 found "
2800
fi
2801

    
2802
SDL_CONFIG="${cross_prefix}sdl-config"
2803
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2804
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2805
    sdl_libs=$("${SDL_CONFIG}" --libs)
2806
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2807
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2808
    enable sdl &&
2809
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2810
fi
2811

    
2812
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2813

    
2814
if enabled network; then
2815
    check_type "sys/types.h sys/socket.h" socklen_t
2816
    check_type netdb.h "struct addrinfo"
2817
    check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2818
    check_type netinet/in.h "struct sockaddr_in6"
2819
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2820
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2821
    # Prefer arpa/inet.h over winsock2
2822
    if check_header arpa/inet.h ; then
2823
        check_func closesocket
2824
    elif check_header winsock2.h ; then
2825
        check_func_headers winsock2.h closesocket -lws2 && \
2826
            network_extralibs="-lws2" || \
2827
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2828
            network_extralibs="-lws2_32"; }
2829
        check_type ws2tcpip.h socklen_t
2830
        check_type ws2tcpip.h "struct addrinfo"
2831
        check_type ws2tcpip.h "struct ipv6_mreq"
2832
        check_type ws2tcpip.h "struct sockaddr_in6"
2833
        check_type ws2tcpip.h "struct sockaddr_storage"
2834
        check_struct winsock2.h "struct sockaddr" sa_len
2835
    else
2836
        disable network
2837
    fi
2838
fi
2839

    
2840
check_header linux/videodev.h
2841
check_header linux/videodev2.h
2842
check_header sys/videoio.h
2843

    
2844
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2845
# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2846
# w32api 3.12 had it defined wrong
2847
check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2848

    
2849
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2850
{ check_header dev/bktr/ioctl_meteor.h &&
2851
  check_header dev/bktr/ioctl_bt848.h; } ||
2852
{ check_header machine/ioctl_meteor.h &&
2853
  check_header machine/ioctl_bt848.h; } ||
2854
{ check_header dev/video/meteor/ioctl_meteor.h &&
2855
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2856
check_header dev/ic/bt8xx.h
2857

    
2858
check_header sys/soundcard.h
2859
check_header soundcard.h
2860

    
2861
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2862

    
2863
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2864

    
2865
enabled x11grab                         &&
2866
check_header X11/Xlib.h                 &&
2867
check_header X11/extensions/XShm.h      &&
2868
check_header X11/extensions/Xfixes.h    &&
2869
check_func XOpenDisplay -lX11           &&
2870
check_func XShmCreateImage -lX11 -lXext &&
2871
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2872

    
2873
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2874
check_cpp_condition \
2875
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2876
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2877
      disable vdpau; }
2878
fi
2879

    
2880
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2881

    
2882
# add some useful compiler flags if supported
2883
check_cflags -Wdeclaration-after-statement
2884
check_cflags -Wall
2885
check_cflags -Wno-parentheses
2886
check_cflags -Wno-switch
2887
check_cflags -Wdisabled-optimization
2888
check_cflags -Wpointer-arith
2889
check_cflags -Wredundant-decls
2890
check_cflags -Wno-pointer-sign
2891
check_cflags -Wcast-qual
2892
check_cflags -Wwrite-strings
2893
check_cflags -Wtype-limits
2894
check_cflags -Wundef
2895
check_cflags -Wmissing-prototypes
2896
enabled extra_warnings && check_cflags -Winline
2897

    
2898
# add some linker flags
2899
check_ldflags -Wl,--warn-common
2900
check_ldflags -Wl,--as-needed
2901
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'
2902
check_ldflags -Wl,-Bsymbolic
2903

    
2904
echo "X{};" > $TMPV
2905
if test_ldflags -Wl,--version-script,$TMPV; then
2906
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2907
    check_cc <<EOF && enable symver_asm_label
2908
void ff_foo(void) __asm__ ("av_foo@VERSION");
2909
void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2910
EOF
2911
    check_cc <<EOF && enable symver_gnu_asm
2912
__asm__(".symver ff_foo,av_foo@VERSION");
2913
void ff_foo(void) {}
2914
EOF
2915
fi
2916

    
2917
if enabled small; then
2918
    add_cflags $size_cflags
2919
    optimizations="small"
2920
elif enabled optimizations; then
2921
    add_cflags $speed_cflags
2922
else
2923
    add_cflags $noopt_cflags
2924
fi
2925
check_cflags -fno-math-errno
2926
check_cflags -fno-signed-zeros
2927

    
2928
if enabled icc; then
2929
    # Just warnings, no remarks
2930
    check_cflags -w1
2931
    # -wd: Disable following warnings
2932
    # 144, 167, 556: -Wno-pointer-sign
2933
    # 10006: ignoring unknown option -fno-signed-zeros
2934
    # 10148: ignoring unknown option -Wno-parentheses
2935
    # 10156: ignoring option '-W'; no argument required
2936
    check_cflags -wd144,167,556,10006,10148,10156
2937
    # 11030: Warning unknown option --as-needed
2938
    # 10156: ignoring option '-export'; no argument required
2939
    check_ldflags -wd10156,11030
2940
    # Allow to compile with optimizations
2941
    check_ldflags -march=$cpu
2942
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2943
    enable ebp_available
2944
    if enabled x86_32; then
2945
        test ${icc_version%%.*} -ge 11 && \
2946
            check_cflags -falign-stack=maintain-16-byte || \
2947
            disable aligned_stack
2948
    fi
2949
elif enabled ccc; then
2950
    # disable some annoying warnings
2951
    add_cflags -msg_disable cvtu32to64
2952
    add_cflags -msg_disable embedcomment
2953
    add_cflags -msg_disable needconstext
2954
    add_cflags -msg_disable nomainieee
2955
    add_cflags -msg_disable ptrmismatch1
2956
    add_cflags -msg_disable unreachcode
2957
elif enabled gcc; then
2958
    check_cflags -fno-tree-vectorize
2959
    check_cflags -Werror=implicit-function-declaration
2960
    check_cflags -Werror=missing-prototypes
2961
elif enabled llvm_gcc; then
2962
    check_cflags -mllvm -stack-alignment=16
2963
elif enabled clang; then
2964
    check_cflags -mllvm -stack-alignment=16
2965
    check_cflags -Qunused-arguments
2966
elif enabled armcc; then
2967
    # 2523: use of inline assembler is deprecated
2968
    add_cflags -W${armcc_opt},--diag_suppress=2523
2969
    add_cflags -W${armcc_opt},--diag_suppress=1207
2970
elif enabled tms470; then
2971
    add_cflags -pds=824 -pds=837
2972
fi
2973

    
2974
enabled_any $THREADS_LIST      && enable threads
2975

    
2976
check_deps $CONFIG_LIST       \
2977
           $CONFIG_EXTRA      \
2978
           $HAVE_LIST         \
2979
           $DECODER_LIST      \
2980
           $ENCODER_LIST      \
2981
           $HWACCEL_LIST      \
2982
           $PARSER_LIST       \
2983
           $BSF_LIST          \
2984
           $DEMUXER_LIST      \
2985
           $MUXER_LIST        \
2986
           $FILTER_LIST       \
2987
           $INDEV_LIST        \
2988
           $OUTDEV_LIST       \
2989
           $PROTOCOL_LIST     \
2990
           $ACODEC_TESTS      \
2991
           $VCODEC_TESTS      \
2992
           $LAVF_TESTS        \
2993
           $LAVFI_TESTS       \
2994
           $SEEK_TESTS        \
2995

    
2996
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2997

    
2998
echo "install prefix            $prefix"
2999
echo "source path               $source_path"
3000
echo "C compiler                $cc"
3001
echo "ARCH                      $arch ($cpu)"
3002
if test "$build_suffix" != ""; then
3003
    echo "build suffix              $build_suffix"
3004
fi
3005
if test "$extra_version" != ""; then
3006
    echo "version string suffix     $extra_version"
3007
fi
3008
echo "big-endian                ${bigendian-no}"
3009
echo "runtime cpu detection     ${runtime_cpudetect-no}"
3010
if enabled x86; then
3011
    echo "yasm                      ${yasm-no}"
3012
    echo "MMX enabled               ${mmx-no}"
3013
    echo "MMX2 enabled              ${mmx2-no}"
3014
    echo "3DNow! enabled            ${amd3dnow-no}"
3015
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
3016
    echo "SSE enabled               ${sse-no}"
3017
    echo "SSSE3 enabled             ${ssse3-no}"
3018
    echo "CMOV enabled              ${cmov-no}"
3019
    echo "CMOV is fast              ${fast_cmov-no}"
3020
    echo "EBX available             ${ebx_available-no}"
3021
    echo "EBP available             ${ebp_available-no}"
3022
    echo "10 operands supported     ${ten_operands-no}"
3023
fi
3024
if enabled arm; then
3025
    echo "ARMv5TE enabled           ${armv5te-no}"
3026
    echo "ARMv6 enabled             ${armv6-no}"
3027
    echo "ARMv6T2 enabled           ${armv6t2-no}"
3028
    echo "ARM VFP enabled           ${armvfp-no}"
3029
    echo "IWMMXT enabled            ${iwmmxt-no}"
3030
    echo "NEON enabled              ${neon-no}"
3031
fi
3032
if enabled mips; then
3033
    echo "MMI enabled               ${mmi-no}"
3034
fi
3035
if enabled ppc; then
3036
    echo "AltiVec enabled           ${altivec-no}"
3037
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
3038
    echo "dcbzl available           ${dcbzl-no}"
3039
fi
3040
if enabled sparc; then
3041
    echo "VIS enabled               ${vis-no}"
3042
fi
3043
echo "debug symbols             ${debug-no}"
3044
echo "strip symbols             ${stripping-no}"
3045
echo "optimizations             ${optimizations-no}"
3046
echo "static                    ${static-no}"
3047
echo "shared                    ${shared-no}"
3048
echo "postprocessing support    ${postproc-no}"
3049
echo "new filter support        ${avfilter-no}"
3050
echo "network support           ${network-no}"
3051
echo "threading support         ${thread_type-no}"
3052
echo "SDL support               ${sdl-no}"
3053
echo "Sun medialib support      ${mlib-no}"
3054
echo "AVISynth enabled          ${avisynth-no}"
3055
echo "frei0r enabled            ${frei0r-no}"
3056
echo "libdc1394 support         ${libdc1394-no}"
3057
echo "libdirac enabled          ${libdirac-no}"
3058
echo "libfaac enabled           ${libfaac-no}"
3059
echo "libgsm enabled            ${libgsm-no}"
3060
echo "libmp3lame enabled        ${libmp3lame-no}"
3061
echo "libnut enabled            ${libnut-no}"
3062
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3063
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3064
echo "libopencv support         ${libopencv-no}"
3065
echo "libopenjpeg enabled       ${libopenjpeg-no}"
3066
echo "librtmp enabled           ${librtmp-no}"
3067
echo "libschroedinger enabled   ${libschroedinger-no}"
3068
echo "libspeex enabled          ${libspeex-no}"
3069
echo "libtheora enabled         ${libtheora-no}"
3070
echo "libvorbis enabled         ${libvorbis-no}"
3071
echo "libvpx enabled            ${libvpx-no}"
3072
echo "libx264 enabled           ${libx264-no}"
3073
echo "libxavs enabled           ${libxavs-no}"
3074
echo "libxvid enabled           ${libxvid-no}"
3075
echo "zlib enabled              ${zlib-no}"
3076
echo "bzlib enabled             ${bzlib-no}"
3077
echo
3078

    
3079
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3080
    echo "Enabled ${type}s:"
3081
    eval list=\$$(toupper $type)_LIST
3082
    print_enabled '_*' $list | sort | pr -3 -t
3083
    echo
3084
done
3085

    
3086
license="LGPL version 2.1 or later"
3087
if enabled nonfree; then
3088
    license="nonfree and unredistributable"
3089
elif enabled gplv3; then
3090
    license="GPL version 3 or later"
3091
elif enabled lgplv3; then
3092
    license="LGPL version 3 or later"
3093
elif enabled gpl; then
3094
    license="GPL version 2 or later"
3095
fi
3096

    
3097
echo "License: $license"
3098

    
3099
echo "Creating config.mak and config.h..."
3100

    
3101
# build tree in object directory if source path is different from current one
3102
if enabled source_path_used; then
3103
    DIRS="
3104
        doc
3105
        libavcodec
3106
        libavcodec/$arch
3107
        libavcore
3108
        libavdevice
3109
        libavfilter
3110
        libavfilter/$arch
3111
        libavformat
3112
        libavutil
3113
        libavutil/$arch
3114
        libpostproc
3115
        libswscale
3116
        libswscale/$arch
3117
        tests
3118
        tools
3119
    "
3120
    FILES="
3121
        Makefile
3122
        common.mak
3123
        subdir.mak
3124
        doc/texi2pod.pl
3125
        libavcodec/Makefile
3126
        libavcodec/${arch}/Makefile
3127
        libavcore/Makefile
3128
        libavdevice/Makefile
3129
        libavfilter/Makefile
3130
        libavfilter/${arch}/Makefile
3131
        libavformat/Makefile
3132
        libavutil/Makefile
3133
        libpostproc/Makefile
3134
        libswscale/Makefile
3135
    "
3136
    map 'mkdir -p $v' $DIRS;
3137
    map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3138
fi
3139

    
3140
enabled stripping || strip="echo skipping strip"
3141

    
3142
config_files="$TMPH config.mak"
3143

    
3144
cat > config.mak <<EOF
3145
# Automatically generated by configure - do not modify!
3146
ifndef FFMPEG_CONFIG_MAK
3147
FFMPEG_CONFIG_MAK=1
3148
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3149
prefix=$prefix
3150
LIBDIR=\$(DESTDIR)$libdir
3151
SHLIBDIR=\$(DESTDIR)$shlibdir
3152
INCDIR=\$(DESTDIR)$incdir
3153
BINDIR=\$(DESTDIR)$bindir
3154
DATADIR=\$(DESTDIR)$datadir
3155
MANDIR=\$(DESTDIR)$mandir
3156
SRC_PATH="$source_path"
3157
SRC_PATH_BARE=$source_path
3158
BUILD_ROOT="$PWD"
3159
CC_IDENT=$cc_ident
3160
ARCH=$arch
3161
CC=$cc
3162
AS=$as
3163
LD=$ld
3164
DEPCC=$dep_cc
3165
YASM=$yasmexe
3166
YASMDEP=$yasmexe
3167
AR=$ar
3168
RANLIB=$ranlib
3169
CP=cp -p
3170
LN_S=$ln_s
3171
STRIP=$strip
3172
CPPFLAGS=$CPPFLAGS
3173
CFLAGS=$CFLAGS
3174
ASFLAGS=$ASFLAGS
3175
CC_O=$CC_O
3176
LDFLAGS=$LDFLAGS
3177
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3178
SHFLAGS=$SHFLAGS
3179
YASMFLAGS=$YASMFLAGS
3180
BUILDSUF=$build_suffix
3181
FULLNAME=$FULLNAME
3182
LIBPREF=$LIBPREF
3183
LIBSUF=$LIBSUF
3184
LIBNAME=$LIBNAME
3185
SLIBPREF=$SLIBPREF
3186
SLIBSUF=$SLIBSUF
3187
EXESUF=$EXESUF
3188
EXTRA_VERSION=$extra_version
3189
DEPFLAGS=$DEPFLAGS
3190
CCDEP=$CCDEP
3191
ASDEP=$ASDEP
3192
CC_DEPFLAGS=$CC_DEPFLAGS
3193
AS_DEPFLAGS=$AS_DEPFLAGS
3194
HOSTCC=$host_cc
3195
HOSTCFLAGS=$host_cflags
3196
HOSTEXESUF=$HOSTEXESUF
3197
HOSTLDFLAGS=$host_ldflags
3198
HOSTLIBS=$host_libs
3199
TARGET_EXEC=$target_exec
3200
TARGET_PATH=$target_path
3201
SDL_LIBS=$sdl_libs
3202
SDL_CFLAGS=$sdl_cflags
3203
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3204
EXTRALIBS=$extralibs
3205
INSTALL=install
3206
LIBTARGET=${LIBTARGET}
3207
SLIBNAME=${SLIBNAME}
3208
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3209
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3210
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3211
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3212
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3213
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3214
SAMPLES=$samples
3215
EOF
3216

    
3217
get_version(){
3218
    name=$1
3219
    file=$source_path/$2
3220
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3221
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3222
    lcname=$(tolower $name)
3223
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3224
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3225
}
3226

    
3227
get_version LIBSWSCALE  libswscale/swscale.h
3228
get_version LIBPOSTPROC libpostproc/postprocess.h
3229
get_version LIBAVCODEC  libavcodec/avcodec.h
3230
get_version LIBAVCORE   libavcore/avcore.h
3231
get_version LIBAVDEVICE libavdevice/avdevice.h
3232
get_version LIBAVFORMAT libavformat/avformat.h
3233
get_version LIBAVUTIL   libavutil/avutil.h
3234
get_version LIBAVFILTER libavfilter/avfilter.h
3235

    
3236
cat > $TMPH <<EOF
3237
/* Automatically generated by configure - do not modify! */
3238
#ifndef FFMPEG_CONFIG_H
3239
#define FFMPEG_CONFIG_H
3240
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3241
#define FFMPEG_LICENSE "$(c_escape $license)"
3242
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3243
#define CC_TYPE "$cc_type"
3244
#define CC_VERSION $cc_version
3245
#define restrict $_restrict
3246
#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3247
#define EXTERN_PREFIX "${extern_prefix}"
3248
#define EXTERN_ASM ${extern_prefix}
3249
#define SLIBSUF "$SLIBSUF"
3250
EOF
3251

    
3252
test -n "$malloc_prefix" &&
3253
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3254

    
3255
if enabled small || disabled optimizations; then
3256
    echo "#undef  av_always_inline"  >> $TMPH
3257
    if enabled small; then
3258
        echo "#define av_always_inline inline"  >> $TMPH
3259
    else
3260
        echo "#define av_always_inline av_unused"  >> $TMPH
3261
    fi
3262
fi
3263

    
3264
if enabled yasm; then
3265
    append config_files $TMPASM
3266
    printf '' >$TMPASM
3267
fi
3268

    
3269
print_config ARCH_   "$config_files" $ARCH_LIST
3270
print_config HAVE_   "$config_files" $HAVE_LIST
3271
print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3272
                                     $CONFIG_EXTRA      \
3273
                                     $DECODER_LIST      \
3274
                                     $ENCODER_LIST      \
3275
                                     $HWACCEL_LIST      \
3276
                                     $PARSER_LIST       \
3277
                                     $BSF_LIST          \
3278
                                     $DEMUXER_LIST      \
3279
                                     $MUXER_LIST        \
3280
                                     $FILTER_LIST       \
3281
                                     $PROTOCOL_LIST     \
3282
                                     $INDEV_LIST        \
3283
                                     $OUTDEV_LIST       \
3284

    
3285
cat >>config.mak <<EOF
3286
ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3287
VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3288
LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3289
LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3290
SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3291
EOF
3292

    
3293
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3294
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3295

    
3296
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3297
cp_if_changed $TMPH config.h
3298
touch .config
3299

    
3300
enabled yasm && cp_if_changed $TMPASM config.asm
3301

    
3302
cat > $TMPH <<EOF
3303
/* Generated by ffconf */
3304
#ifndef AVUTIL_AVCONFIG_H
3305
#define AVUTIL_AVCONFIG_H
3306
EOF
3307

    
3308
print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3309

    
3310
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3311

    
3312
cp_if_changed $TMPH libavutil/avconfig.h
3313

    
3314
test -n "$WARNINGS" && printf "\n$WARNINGS"
3315

    
3316
# build pkg-config files
3317

    
3318
pkgconfig_generate(){
3319
name=$1
3320
shortname=${name#lib}${build_suffix}
3321
comment=$2
3322
version=$3
3323
libs=$4
3324
requires=$5
3325
enabled ${name#lib} || return 0
3326
cat <<EOF > $name/$name.pc
3327
prefix=$prefix
3328
exec_prefix=\${prefix}
3329
libdir=$libdir
3330
includedir=$incdir
3331

    
3332
Name: $name
3333
Description: $comment
3334
Version: $version
3335
Requires: $(enabled shared || echo $requires)
3336
Requires.private: $(enabled shared && echo $requires)
3337
Conflicts:
3338
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3339
Libs.private: $(enabled shared && echo $libs)
3340
Cflags: -I\${includedir}
3341
EOF
3342
cat <<EOF > $name/$name-uninstalled.pc
3343
prefix=
3344
exec_prefix=
3345
libdir=\${pcfiledir}
3346
includedir=${source_path}
3347

    
3348
Name: $name
3349
Description: $comment
3350
Version: $version
3351
Requires: $requires
3352
Conflicts:
3353
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3354
Cflags: -I\${includedir}
3355
EOF
3356
}
3357

    
3358
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3359
pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3360
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3361
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3362
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3363
pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3364
pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3365
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"