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

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

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

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

    
74
Configuration options:
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  --disable-static         do not build static libraries [no]
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  --enable-shared          build shared libraries [no]
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  --enable-gpl             allow use of GPL code, the resulting libs
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                           and binaries will be under GPL [no]
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  --enable-version3        upgrade (L)GPL to version 3 [no]
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  --enable-nonfree         allow use of nonfree code, the resulting libs
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                           and binaries will be unredistributable [no]
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  --disable-doc            do not build documentation
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  --disable-ffmpeg         disable ffmpeg build
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  --disable-ffplay         disable ffplay build
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  --disable-ffprobe        disable ffprobe build
86
  --disable-ffserver       disable ffserver build
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  --disable-avdevice       disable libavdevice build
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  --disable-avcodec        disable libavcodec build
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  --disable-avcore         disable libavcore build
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  --disable-avformat       disable libavformat build
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  --disable-swscale        disable libswscale build
92
  --enable-postproc        enable GPLed postprocessing support [no]
93
  --disable-avfilter       disable video filter support [no]
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  --disable-pthreads       disable pthreads [auto]
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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
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  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
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  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
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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
126
  --disable-hwaccels       disable all hwaccels
127
  --disable-muxer=NAME     disable muxer NAME
128
  --enable-muxer=NAME      enable muxer NAME
129
  --disable-muxers         disable all muxers
130
  --disable-demuxer=NAME   disable demuxer NAME
131
  --enable-demuxer=NAME    enable demuxer NAME
132
  --disable-demuxers       disable all demuxers
133
  --enable-parser=NAME     enable parser NAME
134
  --disable-parser=NAME    disable parser NAME
135
  --disable-parsers        disable all parsers
136
  --enable-bsf=NAME        enable bitstream filter NAME
137
  --disable-bsf=NAME       disable bitstream filter NAME
138
  --disable-bsfs           disable all bitstream filters
139
  --enable-protocol=NAME   enable protocol NAME
140
  --disable-protocol=NAME  disable protocol NAME
141
  --disable-protocols      disable all protocols
142
  --disable-indev=NAME     disable input device NAME
143
  --disable-outdev=NAME    disable output device NAME
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  --disable-indevs         disable input devices
145
  --disable-outdevs        disable output devices
146
  --disable-devices        disable all devices
147
  --enable-filter=NAME     enable filter NAME
148
  --disable-filter=NAME    disable filter NAME
149
  --disable-filters        disable all filters
150
  --list-decoders          show all available decoders
151
  --list-encoders          show all available encoders
152
  --list-hwaccels          show all available hardware accelerators
153
  --list-muxers            show all available muxers
154
  --list-demuxers          show all available demuxers
155
  --list-parsers           show all available parsers
156
  --list-protocols         show all available protocols
157
  --list-bsfs              show all available bitstream filters
158
  --list-indevs            show all available input devices
159
  --list-outdevs           show all available output devices
160
  --list-filters           show all available filters
161

    
162
External library support:
163
  --enable-avisynth        enable reading of AVISynth script files [no]
164
  --enable-bzlib           enable bzlib [autodetect]
165
  --enable-frei0r          enable frei0r video filtering
166
  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168
  --enable-libopencv       enable video filtering via libopencv [no]
169
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
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                           and libraw1394 [no]
171
  --enable-libdirac        enable Dirac support via libdirac [no]
172
  --enable-libfaac         enable FAAC support via libfaac [no]
173
  --enable-libgsm          enable GSM support via libgsm [no]
174
  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
175
  --enable-libnut          enable NUT (de)muxing via libnut,
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                           native (de)muxer exists [no]
177
  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
178
  --enable-librtmp         enable RTMP[E] support via librtmp [no]
179
  --enable-libschroedinger enable Dirac support via libschroedinger [no]
180
  --enable-libspeex        enable Speex decoding via libspeex [no]
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  --enable-libtheora       enable Theora encoding via libtheora [no]
182
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
183
                           native implementation exists [no]
184
  --enable-libvpx          enable VP8 support via libvpx [no]
185
  --enable-libx264         enable H.264 encoding via x264 [no]
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_select="ac3_parser"
1356
asf_stream_muxer_select="asf_muxer"
1357
avisynth_demuxer_deps="avisynth"
1358
dirac_demuxer_select="dirac_parser"
1359
eac3_demuxer_select="ac3_parser"
1360
flac_demuxer_select="flac_parser"
1361
ipod_muxer_select="mov_muxer"
1362
libnut_demuxer_deps="libnut"
1363
libnut_muxer_deps="libnut"
1364
matroska_audio_muxer_select="matroska_muxer"
1365
matroska_demuxer_suggest="zlib bzlib"
1366
mov_demuxer_suggest="zlib"
1367
mp3_demuxer_select="mpegaudio_parser"
1368
mp4_muxer_select="mov_muxer"
1369
mpegtsraw_demuxer_select="mpegts_demuxer"
1370
mxf_d10_muxer_select="mxf_muxer"
1371
ogg_demuxer_select="golomb"
1372
psp_muxer_select="mov_muxer"
1373
rtp_demuxer_select="sdp_demuxer"
1374
rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1375
rtsp_demuxer_select="http_protocol rtpdec"
1376
rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1377
sap_demuxer_select="sdp_demuxer"
1378
sap_muxer_select="rtp_muxer rtp_protocol"
1379
sdp_demuxer_select="rtpdec"
1380
spdif_muxer_select="aac_parser"
1381
tg2_muxer_select="mov_muxer"
1382
tgp_muxer_select="mov_muxer"
1383
w64_demuxer_deps="wav_demuxer"
1384

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

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

    
1412
# filters
1413
blackframe_filter_deps="gpl"
1414
cropdetect_filter_deps="gpl"
1415
frei0r_filter_deps="frei0r dlopen strtok_r"
1416
frei0r_src_filter_deps="frei0r dlopen strtok_r"
1417
hqdn3d_filter_deps="gpl"
1418
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
    png                                                                 \
1490
    ppm="ppm ppmpipe"                                                   \
1491
    rawvideo="rgb yuv"                                                  \
1492
    roq                                                                 \
1493
    rv10                                                                \
1494
    rv20                                                                \
1495
    sgi                                                                 \
1496
    snow="snow snowll"                                                  \
1497
    svq1                                                                \
1498
    targa=tga                                                           \
1499
    tiff                                                                \
1500
    wmav1                                                               \
1501
    wmav2                                                               \
1502
    wmv1                                                                \
1503
    wmv2                                                                \
1504

    
1505
test_deps _muxer _demuxer                                               \
1506
    aiff                                                                \
1507
    pcm_alaw=alaw                                                       \
1508
    asf                                                                 \
1509
    au                                                                  \
1510
    avi                                                                 \
1511
    dv=dv_fmt                                                           \
1512
    ffm                                                                 \
1513
    flv=flv_fmt                                                         \
1514
    gxf                                                                 \
1515
    matroska=mkv                                                        \
1516
    mmf                                                                 \
1517
    mov                                                                 \
1518
    pcm_mulaw=mulaw                                                     \
1519
    mxf                                                                 \
1520
    nut                                                                 \
1521
    ogg                                                                 \
1522
    rawvideo=pixfmt                                                     \
1523
    rm                                                                  \
1524
    swf                                                                 \
1525
    mpegts=ts                                                           \
1526
    voc                                                                 \
1527
    wav                                                                 \
1528
    yuv4mpegpipe=yuv4mpeg                                               \
1529

    
1530
ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1531
mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1532

    
1533
set_ne_test_deps pixdesc
1534
set_ne_test_deps pixfmts_copy
1535
set_ne_test_deps pixfmts_crop
1536
set_ne_test_deps pixfmts_hflip
1537
set_ne_test_deps pixfmts_null
1538
set_ne_test_deps pixfmts_pad
1539
set_ne_test_deps pixfmts_scale
1540
set_ne_test_deps pixfmts_vflip
1541

    
1542
# default parameters
1543

    
1544
logfile="config.log"
1545

    
1546
# installation paths
1547
prefix_default="/usr/local"
1548
bindir_default='${prefix}/bin'
1549
datadir_default='${prefix}/share/ffmpeg'
1550
incdir_default='${prefix}/include'
1551
libdir_default='${prefix}/lib'
1552
mandir_default='${prefix}/share/man'
1553
shlibdir_default="$libdir_default"
1554

    
1555
# toolchain
1556
ar_default="ar"
1557
cc_default="gcc"
1558
cc_version=\"unknown\"
1559
host_cc_default="gcc"
1560
ln_s="ln -sf"
1561
nm_default="nm"
1562
objformat="elf"
1563
ranlib="ranlib"
1564
strip_default="strip"
1565
yasmexe="yasm"
1566
nogas=":"
1567

    
1568
nm_opts='-g'
1569

    
1570
# machine
1571
arch_default=$(uname -m)
1572
cpu="generic"
1573

    
1574
# OS
1575
target_os_default=$(tolower $(uname -s))
1576
host_os=$target_os_default
1577

    
1578
# configurable options
1579
enable avcodec
1580
enable avcore
1581
enable avdevice
1582
enable avfilter
1583
enable avformat
1584
enable avutil
1585
enable asm
1586
enable debug
1587
enable doc
1588
enable fastdiv
1589
enable ffmpeg
1590
enable ffplay
1591
enable ffprobe
1592
enable ffserver
1593
enable mpegaudio_hp
1594
enable network
1595
enable optimizations
1596
enable protocols
1597
enable static
1598
enable stripping
1599
enable swscale
1600
enable swscale_alpha
1601

    
1602
# build settings
1603
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1604
FFSERVERLDFLAGS=-Wl,-E
1605
LIBPREF="lib"
1606
LIBSUF=".a"
1607
FULLNAME='$(NAME)$(BUILDSUF)'
1608
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1609
SLIBPREF="lib"
1610
SLIBSUF=".so"
1611
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1612
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1613
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1614
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1615

    
1616
CC_O='-o $@'
1617

    
1618
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1619
host_libs='-lm'
1620

    
1621
target_path='$(CURDIR)'
1622

    
1623
# since the object filename is not given with the -MM flag, the compiler
1624
# is only able to print the basename, and we must add the path ourselves
1625
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1626
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1627

    
1628
# find source path
1629
source_path="$(dirname "$0")"
1630
enable source_path_used
1631
if test -f configure; then
1632
    source_path="$(pwd)"
1633
    disable source_path_used
1634
else
1635
    source_path="$(cd "$source_path"; pwd)"
1636
    echo "$source_path" | grep -q '[[:blank:]]' &&
1637
        die "Out of tree builds are impossible with whitespace in source path."
1638
    test -e "$source_path/config.h" &&
1639
        die "Out of tree builds are impossible with config.h in source dir."
1640
fi
1641

    
1642
for v in "$@"; do
1643
    r=${v#*=}
1644
    l=${v%"$r"}
1645
    r=$(sh_quote "$r")
1646
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1647
done
1648

    
1649
find_things(){
1650
    thing=$1
1651
    pattern=$2
1652
    file=$source_path/$3
1653
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1654
}
1655

    
1656
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1657
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1658
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1659
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1660
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1661
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1662
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1663
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1664
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1665
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1666
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1667

    
1668
find_tests(){
1669
    map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1670
}
1671

    
1672
ACODEC_TESTS=$(find_tests acodec)
1673
VCODEC_TESTS=$(find_tests vsynth1)
1674
LAVF_TESTS=$(find_tests lavf)
1675
LAVFI_TESTS=$(find_tests lavfi)
1676
SEEK_TESTS=$(find_tests seek seek_)
1677

    
1678
pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1679

    
1680
for n in $COMPONENT_LIST; do
1681
    v=$(toupper ${n%s})_LIST
1682
    eval enable \$$v
1683
    eval ${n}_if_any="\$$v"
1684
done
1685

    
1686
enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1687

    
1688
die_unknown(){
1689
    echo "Unknown option \"$1\"."
1690
    echo "See $0 --help for available options."
1691
    exit 1
1692
}
1693

    
1694
show_list() {
1695
    suffix=_$1
1696
    shift
1697
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1698
    exit 0
1699
}
1700

    
1701
for opt do
1702
    optval="${opt#*=}"
1703
    case "$opt" in
1704
    --extra-ldflags=*) add_ldflags $optval
1705
    ;;
1706
    --extra-libs=*) add_extralibs $optval
1707
    ;;
1708
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1709
    ;;
1710
    --enable-debug=*) debuglevel="$optval"
1711
    ;;
1712
    --disable-everything)
1713
    map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1714
    ;;
1715
    --enable-*=*|--disable-*=*)
1716
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1717
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1718
    eval list=\$$(toupper $thing)_LIST
1719
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1720
    $action $(filter "$name" $list)
1721
    ;;
1722
    --enable-?*|--disable-?*)
1723
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1724
    if is_in $option $COMPONENT_LIST; then
1725
        test $action = disable && action=unset
1726
        eval $action \$$(toupper ${option%s})_LIST
1727
    elif is_in $option $CMDLINE_SELECT; then
1728
        $action $option
1729
    else
1730
        die_unknown $opt
1731
    fi
1732
    ;;
1733
    --list-*)
1734
        NAME="${opt#--list-}"
1735
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1736
        NAME=${NAME%s}
1737
        eval show_list $NAME \$$(toupper $NAME)_LIST
1738
    ;;
1739
    --help|-h) show_help
1740
    ;;
1741
    *)
1742
    optname="${opt%%=*}"
1743
    optname="${optname#--}"
1744
    optname=$(echo "$optname" | sed 's/-/_/g')
1745
    if is_in $optname $CMDLINE_SET; then
1746
        eval $optname='$optval'
1747
    elif is_in $optname $CMDLINE_APPEND; then
1748
        append $optname "$optval"
1749
    else
1750
         die_unknown $opt
1751
    fi
1752
    ;;
1753
    esac
1754
done
1755

    
1756
disabled logging && logfile=/dev/null
1757

    
1758
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1759
set >> $logfile
1760

    
1761
test -n "$cross_prefix" && enable cross_compile
1762

    
1763
if enabled cross_compile; then
1764
    test -n "$arch" && test -n "$target_os" ||
1765
        die "Must specify target arch and OS when cross-compiling"
1766
fi
1767

    
1768
set_default arch target_os
1769

    
1770
ar_default="${cross_prefix}${ar_default}"
1771
cc_default="${cross_prefix}${cc_default}"
1772
nm_default="${cross_prefix}${nm_default}"
1773
ranlib="${cross_prefix}${ranlib}"
1774
strip_default="${cross_prefix}${strip_default}"
1775

    
1776
sysinclude_default="${sysroot}/usr/include"
1777

    
1778
set_default cc nm strip sysinclude
1779
enabled cross_compile || host_cc_default=$cc
1780
set_default host_cc
1781

    
1782
exesuf() {
1783
    case $1 in
1784
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1785
    esac
1786
}
1787

    
1788
EXESUF=$(exesuf $target_os)
1789
HOSTEXESUF=$(exesuf $host_os)
1790

    
1791
# set temporary file name
1792
: ${TMPDIR:=$TEMPDIR}
1793
: ${TMPDIR:=$TMP}
1794
: ${TMPDIR:=/tmp}
1795

    
1796
if ! check_cmd mktemp -u XXXXXX; then
1797
    # simple replacement for missing mktemp
1798
    # NOT SAFE FOR GENERAL USE
1799
    mktemp(){
1800
        echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1801
    }
1802
fi
1803

    
1804
tmpfile(){
1805
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1806
        (set -C; exec > $tmp) 2>/dev/null ||
1807
        die "Unable to create temporary file in $TMPDIR."
1808
    append TMPFILES $tmp
1809
    eval $1=$tmp
1810
}
1811

    
1812
trap 'rm -f -- $TMPFILES' EXIT
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
chmod +x $TMPE
1826

    
1827
# make sure we can execute files in $TMPDIR
1828
cat > $TMPSH 2>> $logfile <<EOF
1829
#! /bin/sh
1830
EOF
1831
chmod +x $TMPSH >> $logfile 2>&1
1832
if ! $TMPSH >> $logfile 2>&1; then
1833
    cat <<EOF
1834
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1835
variable to another directory and make sure that it is not mounted noexec.
1836
EOF
1837
    die "Sanity test failed."
1838
fi
1839

    
1840
filter_cflags=echo
1841
filter_cppflags=echo
1842
filter_asflags=echo
1843

    
1844
if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1845
    cc_type=llvm_gcc
1846
    cc_version=__VERSION__
1847
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1848
    cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1849
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1850
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1851
    speed_cflags='-O3'
1852
    size_cflags='-Os'
1853
elif $cc -v 2>&1 | grep -qi ^gcc; then
1854
    cc_type=gcc
1855
    cc_version=__VERSION__
1856
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1857
    cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1858
    if ! $cc -dumpversion | grep -q '^2\.'; then
1859
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1860
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1861
    fi
1862
    speed_cflags='-O3'
1863
    size_cflags='-Os'
1864
elif $cc --version 2>/dev/null | grep -q Intel; then
1865
    cc_type=icc
1866
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1867
    cc_ident=$($cc --version | head -n1)
1868
    icc_version=$($cc -dumpversion)
1869
    CC_DEPFLAGS='-MMD'
1870
    AS_DEPFLAGS='-MMD'
1871
    speed_cflags='-O3'
1872
    size_cflags='-Os'
1873
    noopt_cflags='-O1'
1874
elif $cc -v 2>&1 | grep -q xlc; then
1875
    cc_type=xlc
1876
    cc_version="AV_STRINGIFY(__IBMC__)"
1877
    cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1878
    speed_cflags='-O5'
1879
    size_cflags='-O5 -qcompact'
1880
elif $cc -V 2>/dev/null | grep -q Compaq; then
1881
    cc_type=ccc
1882
    cc_version="AV_STRINGIFY(__DECC_VER)"
1883
    cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1884
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1885
    debuglevel=3
1886
    add_ldflags -Wl,-z,now # calls to libots crash without this
1887
    speed_cflags='-fast'
1888
    size_cflags='-O1'
1889
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1890
    test -d "$sysroot" || die "No valid sysroot specified."
1891
    cc_type=armcc
1892
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1893
    cc_ident=$($cc --vsn | head -n1)
1894
    armcc_conf="$PWD/armcc.conf"
1895
    $cc --arm_linux_configure                 \
1896
        --arm_linux_config_file="$armcc_conf" \
1897
        --configure_sysroot="$sysroot"        \
1898
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1899
        die "Error creating armcc configuration file."
1900
    $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1901
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1902
    as_default="${cross_prefix}gcc"
1903
    CC_DEPFLAGS='-MMD'
1904
    AS_DEPFLAGS='-MMD'
1905
    speed_cflags='-O3'
1906
    size_cflags='-Os'
1907
elif $cc -version 2>/dev/null | grep -q TMS470; then
1908
    cc_type=tms470
1909
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1910
    cc_ident=$($cc -version | head -n1 | tr -s ' ')
1911
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1912
    CC_O='-fr=$(@D)'
1913
    as_default="${cross_prefix}gcc"
1914
    ld_default="${cross_prefix}gcc"
1915
    TMPO=$(basename $TMPC .c).o
1916
    append TMPFILES $TMPO
1917
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1918
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1919
    AS_DEPFLAGS='-MMD'
1920
    speed_cflags='-O3 -mf=5'
1921
    size_cflags='-O3 -mf=2'
1922
    filter_cflags=tms470_flags
1923
    tms470_flags(){
1924
        for flag; do
1925
            case $flag in
1926
                -march=*|-mcpu=*)
1927
                    case "${flag#*=}" in
1928
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1929
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1930
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1931
                        armv6*|arm11*)          echo -mv=6   ;;
1932
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1933
                                                echo -mv=5e  ;;
1934
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1935
                    esac
1936
                    ;;
1937
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1938
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1939
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1940
                -msoft-float)   echo --float_support=vfplib       ;;
1941
                -O[0-3]|-mf=*)  echo $flag                        ;;
1942
                -g)             echo -g -mn                       ;;
1943
                -pds=*)         echo $flag                        ;;
1944
            esac
1945
        done
1946
    }
1947
elif $cc -v 2>&1 | grep -q clang; then
1948
    cc_type=clang
1949
    $cc -dM -E $TMPC | grep -q __clang_version__ &&
1950
        cc_version=__clang_version__ || cc_version=__VERSION__
1951
    cc_ident=$($cc --version | head -n1)
1952
    CC_DEPFLAGS='-MMD'
1953
    AS_DEPFLAGS='-MMD'
1954
    speed_cflags='-O3'
1955
    size_cflags='-Os'
1956
elif $cc -V 2>&1 | grep -q Sun; then
1957
    cc_type=suncc
1958
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1959
    cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1960
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1961
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1962
    speed_cflags='-O5'
1963
    size_cflags='-O5 -xspace'
1964
    filter_cflags=suncc_flags
1965
    suncc_flags(){
1966
        for flag; do
1967
            case $flag in
1968
                -march=*|-mcpu=*)
1969
                    case "${flag#*=}" in
1970
                        native)                   echo -xtarget=native       ;;
1971
                        v9|niagara)               echo -xarch=sparc          ;;
1972
                        ultrasparc)               echo -xarch=sparcvis       ;;
1973
                        ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
1974
                        i586|pentium)             echo -xchip=pentium        ;;
1975
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1976
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1977
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1978
                        pentium4*)          echo -xtarget=pentium4           ;;
1979
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1980
                        *-sse3)             echo -xarch=sse3                 ;;
1981
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1982
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1983
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1984
                        k8|opteron|athlon64|athlon-fx)
1985
                                                  echo -xarch=sse2a          ;;
1986
                        athlon*)                  echo -xarch=pentium_proa   ;;
1987
                    esac
1988
                    ;;
1989
                -std=c99)             echo -xc99              ;;
1990
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1991
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1992
                -W*,*)                echo $flag              ;;
1993
                -f*-*|-W*)                                    ;;
1994
                *)                    echo $flag              ;;
1995
            esac
1996
        done
1997
    }
1998
elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
1999
    cc_type=pathscale
2000
    cc_version=__PATHSCALE__
2001
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2002
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2003
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2004
    speed_cflags='-O2'
2005
    size_cflags='-Os'
2006
elif $cc -v 2>&1 | grep -q Open64; then
2007
    cc_type=open64
2008
    cc_version=__OPEN64__
2009
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2010
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2011
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2012
    speed_cflags='-O2'
2013
    size_cflags='-Os'
2014
fi
2015

    
2016
test -n "$cc_type" && enable $cc_type ||
2017
    warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2018

    
2019
: ${as_default:=$cc}
2020
: ${dep_cc_default:=$cc}
2021
: ${ld_default:=$cc}
2022
set_default ar as dep_cc ld
2023

    
2024
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2025
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2026

    
2027
add_cflags $extra_cflags
2028
add_asflags $extra_cflags
2029

    
2030
if test -n "$sysroot"; then
2031
    case "$cc_type" in
2032
        gcc|llvm_gcc)
2033
            add_cppflags --sysroot="$sysroot"
2034
            add_ldflags --sysroot="$sysroot"
2035
        ;;
2036
        tms470)
2037
            add_cppflags -I"$sysinclude"
2038
            add_ldflags  --sysroot="$sysroot"
2039
        ;;
2040
        clang)
2041
            add_cppflags -isysroot "$sysroot"
2042
            add_ldflags -isysroot "$sysroot"
2043
        ;;
2044
    esac
2045
fi
2046

    
2047
if test "$cpu" = host; then
2048
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2049

    
2050
    case "$cc_type" in
2051
        gcc|llvm_gcc)
2052
            check_native(){
2053
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2054
                sed -n "/$1=/{
2055
                            s/.*$1=\\([^ ]*\\).*/\\1/
2056
                            p
2057
                            q
2058
                        }" $TMPE
2059
            }
2060
            cpu=$(check_native -march || check_native -mcpu)
2061
        ;;
2062
    esac
2063

    
2064
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2065
fi
2066

    
2067
# Deal with common $arch aliases
2068
case "$arch" in
2069
    arm*)
2070
        arch="arm"
2071
    ;;
2072
    mips|mipsel|IP*)
2073
        arch="mips"
2074
    ;;
2075
    mips64*)
2076
        arch="mips"
2077
        subarch="mips64"
2078
    ;;
2079
    parisc|hppa)
2080
        arch="parisc"
2081
    ;;
2082
    parisc64|hppa64)
2083
        arch="parisc"
2084
        subarch="parisc64"
2085
    ;;
2086
    "Power Macintosh"|ppc|powerpc)
2087
        arch="ppc"
2088
    ;;
2089
    ppc64|powerpc64)
2090
        arch="ppc"
2091
        subarch="ppc64"
2092
    ;;
2093
    s390|s390x)
2094
        arch="s390"
2095
    ;;
2096
    sh4|sh)
2097
        arch="sh4"
2098
    ;;
2099
    sun4u|sparc64)
2100
        arch="sparc"
2101
        subarch="sparc64"
2102
    ;;
2103
    i[3-6]86|i86pc|BePC|x86_64|amd64)
2104
        arch="x86"
2105
    ;;
2106
esac
2107

    
2108
is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2109
enable $arch
2110

    
2111
# Add processor-specific flags
2112
if test "$cpu" = generic; then
2113
    : do nothing
2114
elif enabled ppc; then
2115

    
2116
    case $(tolower $cpu) in
2117
        601|ppc601|powerpc601)
2118
            cpuflags="-mcpu=601"
2119
            disable altivec
2120
        ;;
2121
        603*|ppc603*|powerpc603*)
2122
            cpuflags="-mcpu=603"
2123
            disable altivec
2124
        ;;
2125
        604*|ppc604*|powerpc604*)
2126
            cpuflags="-mcpu=604"
2127
            disable altivec
2128
        ;;
2129
        g3|75*|ppc75*|powerpc75*)
2130
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2131
            disable altivec
2132
        ;;
2133
        g4|745*|ppc745*|powerpc745*)
2134
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2135
        ;;
2136
        74*|ppc74*|powerpc74*)
2137
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2138
        ;;
2139
        g5|970|ppc970|powerpc970|power4*)
2140
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2141
        ;;
2142
        cell)
2143
            cpuflags="-mcpu=cell"
2144
            enable ldbrx
2145
        ;;
2146
        e500v2)
2147
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2148
            disable altivec
2149
        ;;
2150
        e500)
2151
            cpuflags="-mcpu=8540 -mhard-float"
2152
            disable altivec
2153
        ;;
2154
    esac
2155

    
2156
elif enabled x86; then
2157

    
2158
    case $cpu in
2159
        i[345]86|pentium)
2160
            cpuflags="-march=$cpu"
2161
            disable mmx
2162
        ;;
2163
        # targets that do NOT support conditional mov (cmov)
2164
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2165
            cpuflags="-march=$cpu"
2166
            disable cmov
2167
        ;;
2168
        # targets that do support conditional mov (cmov)
2169
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2170
            cpuflags="-march=$cpu"
2171
            enable cmov
2172
            enable fast_cmov
2173
        ;;
2174
        # targets that do support conditional mov but on which it's slow
2175
        pentium4|pentium4m|prescott|nocona)
2176
            cpuflags="-march=$cpu"
2177
            enable cmov
2178
            disable fast_cmov
2179
        ;;
2180
    esac
2181

    
2182
elif enabled sparc; then
2183

    
2184
    case $cpu in
2185
        niagara)
2186
            cpuflags="-mcpu=$cpu"
2187
            disable vis
2188
        ;;
2189
        sparc64)
2190
            cpuflags="-mcpu=v9"
2191
        ;;
2192
    esac
2193

    
2194
elif enabled arm; then
2195

    
2196
    case $cpu in
2197
        armv*)
2198
            cpuflags="-march=$cpu"
2199
            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2200
        ;;
2201
        *)
2202
            cpuflags="-mcpu=$cpu"
2203
            case $cpu in
2204
                cortex-a*)                               subarch=armv7a  ;;
2205
                cortex-r*)                               subarch=armv7r  ;;
2206
                cortex-m*)                               subarch=armv7m  ;;
2207
                arm11*)                                  subarch=armv6   ;;
2208
                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2209
                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2210
            esac
2211
        ;;
2212
    esac
2213

    
2214
elif enabled alpha; then
2215

    
2216
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2217

    
2218
elif enabled bfin; then
2219

    
2220
    cpuflags="-mcpu=$cpu"
2221

    
2222
elif enabled mips; then
2223

    
2224
    cpuflags="-march=$cpu"
2225

    
2226
elif enabled avr32; then
2227

    
2228
    case $cpu in
2229
        ap7[02]0[0-2])
2230
            subarch="avr32_ap"
2231
            cpuflags="-mpart=$cpu"
2232
        ;;
2233
        ap)
2234
            subarch="avr32_ap"
2235
            cpuflags="-march=$cpu"
2236
        ;;
2237
        uc3[ab]*)
2238
            subarch="avr32_uc"
2239
            cpuflags="-mcpu=$cpu"
2240
        ;;
2241
        uc)
2242
            subarch="avr32_uc"
2243
            cpuflags="-march=$cpu"
2244
        ;;
2245
    esac
2246

    
2247
fi
2248

    
2249
add_cflags $cpuflags
2250
add_asflags $cpuflags
2251

    
2252
# compiler sanity check
2253
check_exec <<EOF
2254
int main(void){ return 0; }
2255
EOF
2256
if test "$?" != 0; then
2257
    echo "$cc is unable to create an executable file."
2258
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2259
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2260
        echo "Only do this if you know what cross compiling means."
2261
    fi
2262
    die "C compiler test failed."
2263
fi
2264

    
2265
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2266
check_cflags -std=c99
2267
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2268
#include <stdlib.h>
2269
EOF
2270
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2271
#include <stdlib.h>
2272
EOF
2273

    
2274
check_host_cflags -std=c99
2275

    
2276
case "$arch" in
2277
    alpha|ia64|mips|parisc|sparc)
2278
        spic=$shared
2279
    ;;
2280
    x86)
2281
        subarch="x86_32"
2282
        check_cc <<EOF && subarch="x86_64"
2283
        int test[(int)sizeof(char*) - 7];
2284
EOF
2285
        if test "$subarch" = "x86_64"; then
2286
            spic=$shared
2287
        fi
2288
    ;;
2289
esac
2290

    
2291
enable $subarch
2292
enabled spic && enable pic
2293

    
2294
# OS specific
2295
case $target_os in
2296
    haiku)
2297
        prefix_default="/boot/common"
2298
        network_extralibs="-lnetwork"
2299
        ;;
2300
    sunos)
2301
        FFSERVERLDFLAGS=""
2302
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2303
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2304
        network_extralibs="-lsocket -lnsl"
2305
        add_cppflags -D__EXTENSIONS__
2306
        nm_opts='-P -g'
2307
        ;;
2308
    netbsd)
2309
        disable symver
2310
        oss_indev_extralibs="-lossaudio"
2311
        oss_outdev_extralibs="-lossaudio"
2312
        add_cppflags -D_XOPEN_SOURCE=600
2313
        ;;
2314
    openbsd)
2315
        enable malloc_aligned
2316
        # On OpenBSD 4.5. the compiler does not use PIC unless
2317
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2318
        # however the generated executable will not do anything
2319
        # (simply quits with exit-code 1, no crash, no output).
2320
        # Thus explicitly enable PIC here.
2321
        enable pic
2322
        disable symver
2323
        SHFLAGS='-shared'
2324
        oss_indev_extralibs="-lossaudio"
2325
        oss_outdev_extralibs="-lossaudio"
2326
        ;;
2327
    dragonfly)
2328
        enable malloc_aligned
2329
        disable symver
2330
        ;;
2331
    freebsd)
2332
        enable malloc_aligned
2333
        ;;
2334
    bsd/os)
2335
        add_extralibs -lpoll -lgnugetopt
2336
        strip="strip -d"
2337
        ;;
2338
    darwin)
2339
        enable malloc_aligned
2340
        gas="gas-preprocessor.pl $cc"
2341
        enabled ppc && add_asflags -force_cpusubtype_ALL
2342
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2343
        strip="${strip} -x"
2344
        add_ldflags -Wl,-dynamic,-search_paths_first
2345
        SLIBSUF=".dylib"
2346
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2347
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2348
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2349
        objformat="macho"
2350
        enabled x86_64 && objformat="macho64"
2351
        enabled_any pic shared ||
2352
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2353
        ;;
2354
    mingw32*)
2355
        if test $target_os = "mingw32ce"; then
2356
            disable network
2357
        else
2358
            target_os=mingw32
2359
        fi
2360
        LIBTARGET=i386
2361
        if enabled x86_64; then
2362
            enable malloc_aligned
2363
            LIBTARGET=x64
2364
        elif enabled arm; then
2365
            LIBTARGET=arm
2366
        fi
2367
        shlibdir_default="$bindir_default"
2368
        disable ffserver
2369
        SLIBPREF=""
2370
        SLIBSUF=".dll"
2371
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2372
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2373
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2374
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2375
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2376
            install -d "$(LIBDIR)"; \
2377
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2378
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2379
        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'
2380
        objformat="win32"
2381
        enable dos_paths
2382
        check_cflags -fno-common
2383
        check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2384
                                      || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2385
                die "ERROR: MinGW runtime version must be >= 3.15."
2386
        ;;
2387
    cygwin*)
2388
        target_os=cygwin
2389
        shlibdir_default="$bindir_default"
2390
        SLIBPREF="cyg"
2391
        SLIBSUF=".dll"
2392
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2393
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2394
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2395
        objformat="win32"
2396
        enable dos_paths
2397
        check_cflags -fno-common
2398
        ;;
2399
    *-dos|freedos|opendos)
2400
        disable ffplay ffserver
2401
        disable $INDEV_LIST $OUTDEV_LIST
2402
        network_extralibs="-lsocket"
2403
        objformat="coff"
2404
        enable dos_paths
2405
        ;;
2406
    linux)
2407
        enable dv1394
2408
        ;;
2409
    irix*)
2410
        target_os=irix
2411
        ranlib="echo ignoring ranlib"
2412
        ;;
2413
    os/2*)
2414
        strip="lxlite"
2415
        ln_s="cp -f"
2416
        add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2417
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2418
        FFSERVERLDFLAGS=""
2419
        LIBSUF="_s.a"
2420
        SLIBPREF=""
2421
        SLIBSUF=".dll"
2422
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2423
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2424
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2425
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2426
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2427
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2428
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2429
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2430
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2431
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2432
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2433
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2434
        enable dos_paths
2435
        ;;
2436
    gnu/kfreebsd)
2437
        ;;
2438
    gnu)
2439
        ;;
2440
    none)
2441
        ;;
2442
    *)
2443
        die "Unknown OS '$target_os'."
2444
        ;;
2445
esac
2446

    
2447
echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2448

    
2449
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2450

    
2451
set_default $PATHS_LIST
2452

    
2453
# we need to build at least one lib type
2454
if ! enabled_any static shared; then
2455
    cat <<EOF
2456
At least one library type must be built.
2457
Specify --enable-static to build the static libraries or --enable-shared to
2458
build the shared libraries as well. To only build the shared libraries specify
2459
--disable-static in addition to --enable-shared.
2460
EOF
2461
    exit 1;
2462
fi
2463

    
2464
disabled static && LIBNAME=""
2465

    
2466
die_license_disabled() {
2467
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2468
}
2469

    
2470
die_license_disabled gpl libx264
2471
die_license_disabled gpl libxavs
2472
die_license_disabled gpl libxvid
2473
die_license_disabled gpl postproc
2474
die_license_disabled gpl x11grab
2475

    
2476
die_license_disabled nonfree libfaac
2477

    
2478
die_license_disabled version3 libopencore_amrnb
2479
die_license_disabled version3 libopencore_amrwb
2480

    
2481
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2482

    
2483
check_deps $ARCH_EXT_LIST
2484

    
2485
disabled optimizations || check_cflags -fomit-frame-pointer
2486

    
2487
enable_pic() {
2488
    enable pic
2489
    add_cppflags -DPIC
2490
    add_cflags   -fPIC
2491
    add_asflags  -fPIC
2492
}
2493

    
2494
enabled pic && enable_pic
2495

    
2496
check_cc <<EOF || die "Symbol mangling check failed."
2497
int ff_extern;
2498
EOF
2499
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2500
extern_prefix=${sym%%ff_extern*}
2501

    
2502
check_cc <<EOF && enable inline_asm
2503
void foo(void) { __asm__ volatile ("" ::); }
2504
EOF
2505

    
2506
_restrict=
2507
for restrict_keyword in restrict __restrict__ __restrict; do
2508
    check_cc <<EOF && _restrict=$restrict_keyword && break
2509
void foo(char * $restrict_keyword p);
2510
EOF
2511
done
2512

    
2513
check_cc <<EOF && enable attribute_packed
2514
struct { int x; } __attribute__((packed)) x;
2515
EOF
2516

    
2517
check_cc <<EOF && enable attribute_may_alias
2518
union { int x; } __attribute__((may_alias)) x;
2519
EOF
2520

    
2521
check_cc <<EOF || die "endian test failed"
2522
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2523
EOF
2524
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2525

    
2526
if enabled alpha; then
2527

    
2528
    check_cflags -mieee
2529

    
2530
elif enabled arm; then
2531

    
2532
    check_cflags -marm
2533
    nogas=die
2534

    
2535
    if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2536
        enable vfp_args
2537
    elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2538
        case "${cross_prefix:-$cc}" in
2539
            *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2540
            *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2541
__asm__ (".eabi_attribute 28, 1");
2542
int main(void) { return 0; }
2543
EOF
2544
        esac
2545
        warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2546
    fi
2547

    
2548
    # We have to check if pld is a nop and disable it.
2549
    check_asm pld '"pld [r0]"'
2550

    
2551
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2552
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2553
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2554
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2555
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2556
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2557

    
2558
    enabled_all armv6t2 shared !pic && enable_pic
2559

    
2560
elif enabled mips; then
2561

    
2562
    check_asm loongson '"dmult.g $1, $2, $3"'
2563
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2564

    
2565
elif enabled ppc; then
2566

    
2567
    enable local_aligned_8 local_aligned_16
2568

    
2569
    check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2570
    check_asm ibm_asm   '"add 0, 0, 0"'
2571
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2572
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2573

    
2574
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2575
    if enabled altivec; then
2576
        nogas=warn
2577
        check_cflags -maltivec -mabi=altivec &&
2578
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2579
        check_cflags -faltivec
2580

    
2581
        # check if our compiler supports Motorola AltiVec C API
2582
        check_cc <<EOF || disable altivec
2583
$inc_altivec_h
2584
int main(void) {
2585
    vector signed int v1, v2, v3;
2586
    v1 = vec_add(v2,v3);
2587
    return 0;
2588
}
2589
EOF
2590

    
2591
        # check if our compiler supports braces for vector declarations
2592
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2593
$inc_altivec_h
2594
int main (void) { (vector int) {1}; return 0; }
2595
EOF
2596
    fi
2597

    
2598
elif enabled sparc; then
2599

    
2600
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2601
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2602

    
2603
elif enabled x86; then
2604

    
2605
    enable local_aligned_8 local_aligned_16
2606

    
2607
    # check whether EBP is available on x86
2608
    # As 'i' is stored on the stack, this program will crash
2609
    # if the base pointer is used to access it because the
2610
    # base pointer is cleared in the inline assembly code.
2611
    check_exec_crash <<EOF && enable ebp_available
2612
    volatile int i=0;
2613
    __asm__ volatile (
2614
        "xorl %%ebp, %%ebp"
2615
    ::: "%ebp");
2616
    return i;
2617
EOF
2618

    
2619
    # check whether EBX is available on x86
2620
    check_asm ebx_available '""::"b"(0)' &&
2621
        check_asm ebx_available '"":::"%ebx"'
2622

    
2623
    # check whether xmm clobbers are supported
2624
    check_asm xmm_clobbers '"":::"%xmm0"'
2625

    
2626
    # check whether more than 10 operands are supported
2627
    check_cc <<EOF && enable ten_operands
2628
int main(void) {
2629
    int x=0;
2630
    __asm__ volatile(
2631
        ""
2632
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2633
    );
2634
    return 0;
2635
}
2636
EOF
2637

    
2638
    # check whether binutils is new enough to compile SSSE3/MMX2
2639
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2640
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2641

    
2642
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2643

    
2644
    if ! disabled_any asm mmx yasm; then
2645
        if check_cmd $yasmexe --version; then
2646
            enabled x86_64 && yasm_extra="-m amd64"
2647
            yasm_debug="-g dwarf2"
2648
        elif check_cmd nasm -v; then
2649
            yasmexe=nasm
2650
            yasm_debug="-g -F dwarf"
2651
            enabled x86_64 && test "$objformat" = elf && objformat=elf64
2652
        fi
2653

    
2654
        YASMFLAGS="-f $objformat $yasm_extra"
2655
        enabled pic               && append YASMFLAGS "-DPIC"
2656
        test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2657
        case "$objformat" in
2658
            elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2659
        esac
2660

    
2661
        check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2662
            die "yasm not found, use --disable-yasm for a crippled build"
2663
    fi
2664

    
2665
    case "$cpu" in
2666
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2667
            disable fast_clz
2668
        ;;
2669
    esac
2670

    
2671
fi
2672

    
2673
if enabled asm; then
2674
    as=${gas:=$as}
2675
    check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2676
        $nogas "GNU assembler not found, install gas-preprocessor"
2677
fi
2678

    
2679
if check_func dlopen; then
2680
    ldl=
2681
elif check_func dlopen -ldl; then
2682
    ldl=-ldl
2683
fi
2684

    
2685
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2686
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2687

    
2688
check_func  fcntl
2689
check_func  fork
2690
check_func  getaddrinfo $network_extralibs
2691
check_func  gethrtime
2692
check_func  getrusage
2693
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2694
check_func  inet_aton $network_extralibs
2695
check_func  isatty
2696
check_func  ${malloc_prefix}memalign            && enable memalign
2697
check_func  mkstemp
2698
check_func  mmap
2699
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2700
check_func  setrlimit
2701
check_func  strerror_r
2702
check_func  strtok_r
2703
check_func_headers io.h setmode
2704
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2705
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2706
check_func_headers windows.h GetProcessTimes
2707
check_func_headers windows.h MapViewOfFile
2708
check_func_headers windows.h VirtualAlloc
2709

    
2710
check_header conio.h
2711
check_header dlfcn.h
2712
check_header dxva2api.h
2713
check_header malloc.h
2714
check_header poll.h
2715
check_header sys/mman.h
2716
check_header sys/resource.h
2717
check_header sys/select.h
2718
check_header termios.h
2719
check_header vdpau/vdpau.h
2720
check_header vdpau/vdpau_x11.h
2721
check_header X11/extensions/XvMClib.h
2722

    
2723
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2724

    
2725
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2726
     enabled_any $need_memalign ; then
2727
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2728
fi
2729

    
2730
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2731
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2732

    
2733
# check for some common methods of building with pthread support
2734
# do this before the optional library checks as some of them require pthreads
2735
if ! disabled pthreads && ! enabled w32threads; then
2736
    enable pthreads
2737
    if check_func pthread_create; then
2738
        :
2739
    elif check_func pthread_create -pthread; then
2740
        add_cflags -pthread
2741
        add_extralibs -pthread
2742
    elif check_func pthread_create -pthreads; then
2743
        add_cflags -pthreads
2744
        add_extralibs -pthreads
2745
    elif check_func pthread_create -lpthreadGC2; then
2746
        add_extralibs -lpthreadGC2
2747
    elif ! check_lib pthread.h pthread_create -lpthread; then
2748
        disable pthreads
2749
    fi
2750
fi
2751

    
2752
for thread in $THREADS_LIST; do
2753
    if enabled $thread; then
2754
        test -n "$thread_type" &&
2755
            die "ERROR: Only one thread type must be selected." ||
2756
            thread_type="$thread"
2757
    fi
2758
done
2759

    
2760
check_lib math.h sin -lm
2761
disabled vaapi || check_lib va/va.h vaInitialize -lva
2762

    
2763
check_mathfunc exp2
2764
check_mathfunc exp2f
2765
check_mathfunc llrint
2766
check_mathfunc llrintf
2767
check_mathfunc log2
2768
check_mathfunc log2f
2769
check_mathfunc lrint
2770
check_mathfunc lrintf
2771
check_mathfunc round
2772
check_mathfunc roundf
2773
check_mathfunc truncf
2774

    
2775
# these are off by default, so fail if requested and not available
2776
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2777
enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2778
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2779
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2780
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2781
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2782
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2783
enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2784
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2785
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2786
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2787
enabled libopencv  && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2788
                        die "ERROR: libopencv not found"; }
2789
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2790
enabled librtmp    && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2791
                        die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2792
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2793
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2794
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2795
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2796
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2797
enabled libvpx     && {
2798
    enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2799
                                die "ERROR: libvpx decoder version must be >=0.9.1"; }
2800
    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2801
                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2802
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2803
                      { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2804
                        die "ERROR: libx264 version must be >= 0.99."; }
2805
enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2806
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2807
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2808

    
2809
# libdc1394 check
2810
if enabled libdc1394; then
2811
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2812
        enable libdc1394_2; } ||
2813
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2814
        enable libdc1394_1; } ||
2815
    die "ERROR: No version of libdc1394 found "
2816
fi
2817

    
2818
SDL_CONFIG="${cross_prefix}sdl-config"
2819
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2820
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2821
    sdl_libs=$("${SDL_CONFIG}" --libs)
2822
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2823
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2824
    enable sdl &&
2825
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2826
fi
2827

    
2828
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2829

    
2830
if enabled network; then
2831
    check_type "sys/types.h sys/socket.h" socklen_t
2832
    check_type netdb.h "struct addrinfo"
2833
    check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2834
    check_type netinet/in.h "struct sockaddr_in6"
2835
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2836
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2837
    # Prefer arpa/inet.h over winsock2
2838
    if check_header arpa/inet.h ; then
2839
        check_func closesocket
2840
    elif check_header winsock2.h ; then
2841
        check_func_headers winsock2.h closesocket -lws2 && \
2842
            network_extralibs="-lws2" || \
2843
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2844
            network_extralibs="-lws2_32"; }
2845
        check_type ws2tcpip.h socklen_t
2846
        check_type ws2tcpip.h "struct addrinfo"
2847
        check_type ws2tcpip.h "struct ipv6_mreq"
2848
        check_type ws2tcpip.h "struct sockaddr_in6"
2849
        check_type ws2tcpip.h "struct sockaddr_storage"
2850
        check_struct winsock2.h "struct sockaddr" sa_len
2851
    else
2852
        disable network
2853
    fi
2854
fi
2855

    
2856
check_header linux/videodev.h
2857
check_header linux/videodev2.h
2858
check_header sys/videoio.h
2859

    
2860
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2861
# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2862
# w32api 3.12 had it defined wrong
2863
check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2864

    
2865
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2866
{ check_header dev/bktr/ioctl_meteor.h &&
2867
  check_header dev/bktr/ioctl_bt848.h; } ||
2868
{ check_header machine/ioctl_meteor.h &&
2869
  check_header machine/ioctl_bt848.h; } ||
2870
{ check_header dev/video/meteor/ioctl_meteor.h &&
2871
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2872
check_header dev/ic/bt8xx.h
2873

    
2874
check_header sys/soundcard.h
2875
check_header soundcard.h
2876

    
2877
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2878

    
2879
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2880

    
2881
enabled x11grab                         &&
2882
check_header X11/Xlib.h                 &&
2883
check_header X11/extensions/XShm.h      &&
2884
check_header X11/extensions/Xfixes.h    &&
2885
check_func XOpenDisplay -lX11           &&
2886
check_func XShmCreateImage -lX11 -lXext &&
2887
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2888

    
2889
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2890
check_cpp_condition \
2891
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2892
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2893
      disable vdpau; }
2894
fi
2895

    
2896
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2897

    
2898
# add some useful compiler flags if supported
2899
check_cflags -Wdeclaration-after-statement
2900
check_cflags -Wall
2901
check_cflags -Wno-parentheses
2902
check_cflags -Wno-switch
2903
check_cflags -Wdisabled-optimization
2904
check_cflags -Wpointer-arith
2905
check_cflags -Wredundant-decls
2906
check_cflags -Wno-pointer-sign
2907
check_cflags -Wcast-qual
2908
check_cflags -Wwrite-strings
2909
check_cflags -Wtype-limits
2910
check_cflags -Wundef
2911
check_cflags -Wmissing-prototypes
2912
enabled extra_warnings && check_cflags -Winline
2913

    
2914
# add some linker flags
2915
check_ldflags -Wl,--warn-common
2916
check_ldflags -Wl,--as-needed
2917
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'
2918
test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
2919

    
2920
echo "X{};" > $TMPV
2921
if test_ldflags -Wl,--version-script,$TMPV; then
2922
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2923
    check_cc <<EOF && enable symver_asm_label
2924
void ff_foo(void) __asm__ ("av_foo@VERSION");
2925
void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2926
EOF
2927
    check_cc <<EOF && enable symver_gnu_asm
2928
__asm__(".symver ff_foo,av_foo@VERSION");
2929
void ff_foo(void) {}
2930
EOF
2931
fi
2932

    
2933
if enabled small; then
2934
    add_cflags $size_cflags
2935
    optimizations="small"
2936
elif enabled optimizations; then
2937
    add_cflags $speed_cflags
2938
else
2939
    add_cflags $noopt_cflags
2940
fi
2941
check_cflags -fno-math-errno
2942
check_cflags -fno-signed-zeros
2943

    
2944
if enabled icc; then
2945
    # Just warnings, no remarks
2946
    check_cflags -w1
2947
    # -wd: Disable following warnings
2948
    # 144, 167, 556: -Wno-pointer-sign
2949
    # 10006: ignoring unknown option -fno-signed-zeros
2950
    # 10148: ignoring unknown option -Wno-parentheses
2951
    # 10156: ignoring option '-W'; no argument required
2952
    check_cflags -wd144,167,556,10006,10148,10156
2953
    # 11030: Warning unknown option --as-needed
2954
    # 10156: ignoring option '-export'; no argument required
2955
    check_ldflags -wd10156,11030
2956
    # Allow to compile with optimizations
2957
    check_ldflags -march=$cpu
2958
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2959
    enable ebp_available
2960
    if enabled x86_32; then
2961
        test ${icc_version%%.*} -ge 11 && \
2962
            check_cflags -falign-stack=maintain-16-byte || \
2963
            disable aligned_stack
2964
    fi
2965
elif enabled ccc; then
2966
    # disable some annoying warnings
2967
    add_cflags -msg_disable cvtu32to64
2968
    add_cflags -msg_disable embedcomment
2969
    add_cflags -msg_disable needconstext
2970
    add_cflags -msg_disable nomainieee
2971
    add_cflags -msg_disable ptrmismatch1
2972
    add_cflags -msg_disable unreachcode
2973
elif enabled gcc; then
2974
    check_cflags -fno-tree-vectorize
2975
    check_cflags -Werror=implicit-function-declaration
2976
    check_cflags -Werror=missing-prototypes
2977
elif enabled llvm_gcc; then
2978
    check_cflags -mllvm -stack-alignment=16
2979
elif enabled clang; then
2980
    check_cflags -mllvm -stack-alignment=16
2981
    check_cflags -Qunused-arguments
2982
elif enabled armcc; then
2983
    # 2523: use of inline assembler is deprecated
2984
    add_cflags -W${armcc_opt},--diag_suppress=2523
2985
    add_cflags -W${armcc_opt},--diag_suppress=1207
2986
    add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
2987
    add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
2988
elif enabled tms470; then
2989
    add_cflags -pds=824 -pds=837
2990
elif enabled pathscale; then
2991
    add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
2992
fi
2993

    
2994
enabled_any $THREADS_LIST      && enable threads
2995

    
2996
check_deps $CONFIG_LIST       \
2997
           $CONFIG_EXTRA      \
2998
           $HAVE_LIST         \
2999
           $DECODER_LIST      \
3000
           $ENCODER_LIST      \
3001
           $HWACCEL_LIST      \
3002
           $PARSER_LIST       \
3003
           $BSF_LIST          \
3004
           $DEMUXER_LIST      \
3005
           $MUXER_LIST        \
3006
           $FILTER_LIST       \
3007
           $INDEV_LIST        \
3008
           $OUTDEV_LIST       \
3009
           $PROTOCOL_LIST     \
3010
           $ACODEC_TESTS      \
3011
           $VCODEC_TESTS      \
3012
           $LAVF_TESTS        \
3013
           $LAVFI_TESTS       \
3014
           $SEEK_TESTS        \
3015

    
3016
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3017

    
3018
echo "install prefix            $prefix"
3019
echo "source path               $source_path"
3020
echo "C compiler                $cc"
3021
echo "ARCH                      $arch ($cpu)"
3022
if test "$build_suffix" != ""; then
3023
    echo "build suffix              $build_suffix"
3024
fi
3025
if test "$extra_version" != ""; then
3026
    echo "version string suffix     $extra_version"
3027
fi
3028
echo "big-endian                ${bigendian-no}"
3029
echo "runtime cpu detection     ${runtime_cpudetect-no}"
3030
if enabled x86; then
3031
    echo "yasm                      ${yasm-no}"
3032
    echo "MMX enabled               ${mmx-no}"
3033
    echo "MMX2 enabled              ${mmx2-no}"
3034
    echo "3DNow! enabled            ${amd3dnow-no}"
3035
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
3036
    echo "SSE enabled               ${sse-no}"
3037
    echo "SSSE3 enabled             ${ssse3-no}"
3038
    echo "CMOV enabled              ${cmov-no}"
3039
    echo "CMOV is fast              ${fast_cmov-no}"
3040
    echo "EBX available             ${ebx_available-no}"
3041
    echo "EBP available             ${ebp_available-no}"
3042
    echo "10 operands supported     ${ten_operands-no}"
3043
fi
3044
if enabled arm; then
3045
    echo "ARMv5TE enabled           ${armv5te-no}"
3046
    echo "ARMv6 enabled             ${armv6-no}"
3047
    echo "ARMv6T2 enabled           ${armv6t2-no}"
3048
    echo "ARM VFP enabled           ${armvfp-no}"
3049
    echo "IWMMXT enabled            ${iwmmxt-no}"
3050
    echo "NEON enabled              ${neon-no}"
3051
fi
3052
if enabled mips; then
3053
    echo "MMI enabled               ${mmi-no}"
3054
fi
3055
if enabled ppc; then
3056
    echo "AltiVec enabled           ${altivec-no}"
3057
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
3058
    echo "dcbzl available           ${dcbzl-no}"
3059
fi
3060
if enabled sparc; then
3061
    echo "VIS enabled               ${vis-no}"
3062
fi
3063
echo "debug symbols             ${debug-no}"
3064
echo "strip symbols             ${stripping-no}"
3065
echo "optimizations             ${optimizations-no}"
3066
echo "static                    ${static-no}"
3067
echo "shared                    ${shared-no}"
3068
echo "postprocessing support    ${postproc-no}"
3069
echo "new filter support        ${avfilter-no}"
3070
echo "network support           ${network-no}"
3071
echo "threading support         ${thread_type-no}"
3072
echo "SDL support               ${sdl-no}"
3073
echo "Sun medialib support      ${mlib-no}"
3074
echo "AVISynth enabled          ${avisynth-no}"
3075
echo "frei0r enabled            ${frei0r-no}"
3076
echo "libdc1394 support         ${libdc1394-no}"
3077
echo "libdirac enabled          ${libdirac-no}"
3078
echo "libfaac enabled           ${libfaac-no}"
3079
echo "libgsm enabled            ${libgsm-no}"
3080
echo "libmp3lame enabled        ${libmp3lame-no}"
3081
echo "libnut enabled            ${libnut-no}"
3082
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3083
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3084
echo "libopencv support         ${libopencv-no}"
3085
echo "libopenjpeg enabled       ${libopenjpeg-no}"
3086
echo "librtmp enabled           ${librtmp-no}"
3087
echo "libschroedinger enabled   ${libschroedinger-no}"
3088
echo "libspeex enabled          ${libspeex-no}"
3089
echo "libtheora enabled         ${libtheora-no}"
3090
echo "libvorbis enabled         ${libvorbis-no}"
3091
echo "libvpx enabled            ${libvpx-no}"
3092
echo "libx264 enabled           ${libx264-no}"
3093
echo "libxavs enabled           ${libxavs-no}"
3094
echo "libxvid enabled           ${libxvid-no}"
3095
echo "zlib enabled              ${zlib-no}"
3096
echo "bzlib enabled             ${bzlib-no}"
3097
echo
3098

    
3099
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3100
    echo "Enabled ${type}s:"
3101
    eval list=\$$(toupper $type)_LIST
3102
    print_enabled '_*' $list | sort | pr -3 -t
3103
    echo
3104
done
3105

    
3106
license="LGPL version 2.1 or later"
3107
if enabled nonfree; then
3108
    license="nonfree and unredistributable"
3109
elif enabled gplv3; then
3110
    license="GPL version 3 or later"
3111
elif enabled lgplv3; then
3112
    license="LGPL version 3 or later"
3113
elif enabled gpl; then
3114
    license="GPL version 2 or later"
3115
fi
3116

    
3117
echo "License: $license"
3118

    
3119
echo "Creating config.mak and config.h..."
3120

    
3121
# build tree in object directory if source path is different from current one
3122
if enabled source_path_used; then
3123
    DIRS="
3124
        doc
3125
        libavcodec
3126
        libavcodec/$arch
3127
        libavcore
3128
        libavdevice
3129
        libavfilter
3130
        libavfilter/$arch
3131
        libavformat
3132
        libavutil
3133
        libavutil/$arch
3134
        libpostproc
3135
        libswscale
3136
        libswscale/$arch
3137
        tests
3138
        tools
3139
    "
3140
    FILES="
3141
        Makefile
3142
        common.mak
3143
        subdir.mak
3144
        doc/texi2pod.pl
3145
        libavcodec/Makefile
3146
        libavcodec/${arch}/Makefile
3147
        libavcore/Makefile
3148
        libavdevice/Makefile
3149
        libavfilter/Makefile
3150
        libavfilter/${arch}/Makefile
3151
        libavformat/Makefile
3152
        libavutil/Makefile
3153
        libpostproc/Makefile
3154
        libswscale/Makefile
3155
    "
3156
    map 'mkdir -p $v' $DIRS;
3157
    map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3158
fi
3159

    
3160
enabled stripping || strip="echo skipping strip"
3161

    
3162
config_files="$TMPH config.mak"
3163

    
3164
cat > config.mak <<EOF
3165
# Automatically generated by configure - do not modify!
3166
ifndef FFMPEG_CONFIG_MAK
3167
FFMPEG_CONFIG_MAK=1
3168
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3169
prefix=$prefix
3170
LIBDIR=\$(DESTDIR)$libdir
3171
SHLIBDIR=\$(DESTDIR)$shlibdir
3172
INCDIR=\$(DESTDIR)$incdir
3173
BINDIR=\$(DESTDIR)$bindir
3174
DATADIR=\$(DESTDIR)$datadir
3175
MANDIR=\$(DESTDIR)$mandir
3176
SRC_PATH="$source_path"
3177
SRC_PATH_BARE=$source_path
3178
BUILD_ROOT="$PWD"
3179
CC_IDENT=$cc_ident
3180
ARCH=$arch
3181
CC=$cc
3182
AS=$as
3183
LD=$ld
3184
DEPCC=$dep_cc
3185
YASM=$yasmexe
3186
YASMDEP=$yasmexe
3187
AR=$ar
3188
RANLIB=$ranlib
3189
CP=cp -p
3190
LN_S=$ln_s
3191
STRIP=$strip
3192
CPPFLAGS=$CPPFLAGS
3193
CFLAGS=$CFLAGS
3194
ASFLAGS=$ASFLAGS
3195
CC_O=$CC_O
3196
LDFLAGS=$LDFLAGS
3197
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3198
SHFLAGS=$SHFLAGS
3199
YASMFLAGS=$YASMFLAGS
3200
BUILDSUF=$build_suffix
3201
FULLNAME=$FULLNAME
3202
LIBPREF=$LIBPREF
3203
LIBSUF=$LIBSUF
3204
LIBNAME=$LIBNAME
3205
SLIBPREF=$SLIBPREF
3206
SLIBSUF=$SLIBSUF
3207
EXESUF=$EXESUF
3208
EXTRA_VERSION=$extra_version
3209
DEPFLAGS=$DEPFLAGS
3210
CCDEP=$CCDEP
3211
ASDEP=$ASDEP
3212
CC_DEPFLAGS=$CC_DEPFLAGS
3213
AS_DEPFLAGS=$AS_DEPFLAGS
3214
HOSTCC=$host_cc
3215
HOSTCFLAGS=$host_cflags
3216
HOSTEXESUF=$HOSTEXESUF
3217
HOSTLDFLAGS=$host_ldflags
3218
HOSTLIBS=$host_libs
3219
TARGET_EXEC=$target_exec
3220
TARGET_PATH=$target_path
3221
SDL_LIBS=$sdl_libs
3222
SDL_CFLAGS=$sdl_cflags
3223
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3224
EXTRALIBS=$extralibs
3225
INSTALL=install
3226
LIBTARGET=${LIBTARGET}
3227
SLIBNAME=${SLIBNAME}
3228
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3229
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3230
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3231
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3232
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3233
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3234
SAMPLES=$samples
3235
EOF
3236

    
3237
get_version(){
3238
    name=$1
3239
    file=$source_path/$2
3240
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3241
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3242
    lcname=$(tolower $name)
3243
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3244
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3245
}
3246

    
3247
get_version LIBSWSCALE  libswscale/swscale.h
3248
get_version LIBPOSTPROC libpostproc/postprocess.h
3249
get_version LIBAVCODEC  libavcodec/avcodec.h
3250
get_version LIBAVCORE   libavcore/avcore.h
3251
get_version LIBAVDEVICE libavdevice/avdevice.h
3252
get_version LIBAVFORMAT libavformat/version.h
3253
get_version LIBAVUTIL   libavutil/avutil.h
3254
get_version LIBAVFILTER libavfilter/avfilter.h
3255

    
3256
cat > $TMPH <<EOF
3257
/* Automatically generated by configure - do not modify! */
3258
#ifndef FFMPEG_CONFIG_H
3259
#define FFMPEG_CONFIG_H
3260
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3261
#define FFMPEG_LICENSE "$(c_escape $license)"
3262
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3263
#define CC_TYPE "$cc_type"
3264
#define CC_VERSION $cc_version
3265
#define restrict $_restrict
3266
#define EXTERN_PREFIX "${extern_prefix}"
3267
#define EXTERN_ASM ${extern_prefix}
3268
#define SLIBSUF "$SLIBSUF"
3269
EOF
3270

    
3271
test -n "$malloc_prefix" &&
3272
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3273

    
3274
if enabled small || disabled optimizations; then
3275
    echo "#undef  av_always_inline"  >> $TMPH
3276
    if enabled small; then
3277
        echo "#define av_always_inline inline"  >> $TMPH
3278
    else
3279
        echo "#define av_always_inline av_unused"  >> $TMPH
3280
    fi
3281
fi
3282

    
3283
if enabled yasm; then
3284
    append config_files $TMPASM
3285
    printf '' >$TMPASM
3286
fi
3287

    
3288
print_config ARCH_   "$config_files" $ARCH_LIST
3289
print_config HAVE_   "$config_files" $HAVE_LIST
3290
print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3291
                                     $CONFIG_EXTRA      \
3292
                                     $DECODER_LIST      \
3293
                                     $ENCODER_LIST      \
3294
                                     $HWACCEL_LIST      \
3295
                                     $PARSER_LIST       \
3296
                                     $BSF_LIST          \
3297
                                     $DEMUXER_LIST      \
3298
                                     $MUXER_LIST        \
3299
                                     $FILTER_LIST       \
3300
                                     $PROTOCOL_LIST     \
3301
                                     $INDEV_LIST        \
3302
                                     $OUTDEV_LIST       \
3303

    
3304
cat >>config.mak <<EOF
3305
ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3306
VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3307
LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3308
LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3309
SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3310
EOF
3311

    
3312
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3313
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3314

    
3315
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3316
cp_if_changed $TMPH config.h
3317
touch .config
3318

    
3319
enabled yasm && cp_if_changed $TMPASM config.asm
3320

    
3321
cat > $TMPH <<EOF
3322
/* Generated by ffconf */
3323
#ifndef AVUTIL_AVCONFIG_H
3324
#define AVUTIL_AVCONFIG_H
3325
EOF
3326

    
3327
print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3328

    
3329
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3330

    
3331
cp_if_changed $TMPH libavutil/avconfig.h
3332

    
3333
test -n "$WARNINGS" && printf "\n$WARNINGS"
3334

    
3335
# build pkg-config files
3336

    
3337
pkgconfig_generate(){
3338
name=$1
3339
shortname=${name#lib}${build_suffix}
3340
comment=$2
3341
version=$3
3342
libs=$4
3343
requires=$5
3344
enabled ${name#lib} || return 0
3345
cat <<EOF > $name/$name.pc
3346
prefix=$prefix
3347
exec_prefix=\${prefix}
3348
libdir=$libdir
3349
includedir=$incdir
3350

    
3351
Name: $name
3352
Description: $comment
3353
Version: $version
3354
Requires: $(enabled shared || echo $requires)
3355
Requires.private: $(enabled shared && echo $requires)
3356
Conflicts:
3357
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3358
Libs.private: $(enabled shared && echo $libs)
3359
Cflags: -I\${includedir}
3360
EOF
3361
cat <<EOF > $name/$name-uninstalled.pc
3362
prefix=
3363
exec_prefix=
3364
libdir=\${pcfiledir}
3365
includedir=${source_path}
3366

    
3367
Name: $name
3368
Description: $comment
3369
Version: $version
3370
Requires: $requires
3371
Conflicts:
3372
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3373
Cflags: -I\${includedir}
3374
EOF
3375
}
3376

    
3377
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3378
pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3379
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3380
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3381
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3382
pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3383
pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3384
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"