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

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

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

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

    
74
Configuration options:
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  --disable-static         do not build static libraries [no]
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  --enable-shared          build shared libraries [no]
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  --enable-gpl             allow use of GPL code, the resulting libs
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                           and binaries will be under GPL [no]
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  --enable-version3        upgrade (L)GPL to version 3 [no]
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  --enable-nonfree         allow use of nonfree code, the resulting libs
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                           and binaries will be unredistributable [no]
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  --disable-doc            do not build documentation
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  --disable-ffmpeg         disable ffmpeg build
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  --disable-ffplay         disable ffplay build
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  --disable-ffprobe        disable ffprobe build
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  --disable-ffserver       disable ffserver build
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  --disable-avdevice       disable libavdevice build
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  --disable-avcodec        disable libavcodec build
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  --disable-avcore         disable libavcore build
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  --disable-avformat       disable libavformat build
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  --disable-swscale        disable libswscale build
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  --enable-postproc        enable GPLed postprocessing support [no]
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  --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
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  --disable-rdft           disable RDFT code
111
  --disable-vaapi          disable VAAPI code
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  --disable-vdpau          disable VDPAU code
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  --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
117
  --disable-everything     disable all components listed below
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  --disable-encoder=NAME   disable encoder NAME
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  --enable-encoder=NAME    enable encoder NAME
120
  --disable-encoders       disable all encoders
121
  --disable-decoder=NAME   disable decoder NAME
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  --enable-decoder=NAME    enable decoder NAME
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  --disable-decoders       disable all decoders
124
  --disable-hwaccel=NAME   disable hwaccel NAME
125
  --enable-hwaccel=NAME    enable hwaccel NAME
126
  --disable-hwaccels       disable all hwaccels
127
  --disable-muxer=NAME     disable muxer NAME
128
  --enable-muxer=NAME      enable muxer NAME
129
  --disable-muxers         disable all muxers
130
  --disable-demuxer=NAME   disable demuxer NAME
131
  --enable-demuxer=NAME    enable demuxer NAME
132
  --disable-demuxers       disable all demuxers
133
  --enable-parser=NAME     enable parser NAME
134
  --disable-parser=NAME    disable parser NAME
135
  --disable-parsers        disable all parsers
136
  --enable-bsf=NAME        enable bitstream filter NAME
137
  --disable-bsf=NAME       disable bitstream filter NAME
138
  --disable-bsfs           disable all bitstream filters
139
  --enable-protocol=NAME   enable protocol NAME
140
  --disable-protocol=NAME  disable protocol NAME
141
  --disable-protocols      disable all protocols
142
  --disable-indev=NAME     disable input device NAME
143
  --disable-outdev=NAME    disable output device NAME
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  --disable-indevs         disable input devices
145
  --disable-outdevs        disable output devices
146
  --disable-devices        disable all devices
147
  --enable-filter=NAME     enable filter NAME
148
  --disable-filter=NAME    disable filter NAME
149
  --disable-filters        disable all filters
150
  --list-decoders          show all available decoders
151
  --list-encoders          show all available encoders
152
  --list-hwaccels          show all available hardware accelerators
153
  --list-muxers            show all available muxers
154
  --list-demuxers          show all available demuxers
155
  --list-parsers           show all available parsers
156
  --list-protocols         show all available protocols
157
  --list-bsfs              show all available bitstream filters
158
  --list-indevs            show all available input devices
159
  --list-outdevs           show all available output devices
160
  --list-filters           show all available filters
161

    
162
External library support:
163
  --enable-avisynth        enable reading of AVISynth script files [no]
164
  --enable-bzlib           enable bzlib [autodetect]
165
  --enable-frei0r          enable frei0r video filtering
166
  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168
  --enable-libopencv       enable video filtering via libopencv [no]
169
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
170
                           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,
176
                           native (de)muxer exists [no]
177
  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
178
  --enable-librtmp         enable RTMP[E] support via librtmp [no]
179
  --enable-libschroedinger enable Dirac support via libschroedinger [no]
180
  --enable-libspeex        enable Speex decoding via libspeex [no]
181
  --enable-libtheora       enable Theora encoding via libtheora [no]
182
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
183
                           native implementation exists [no]
184
  --enable-libvpx          enable VP8 support via libvpx [no]
185
  --enable-libx264         enable H.264 encoding via x264 [no]
186
  --enable-libxavs         enable AVS encoding via xavs [no]
187
  --enable-libxvid         enable Xvid encoding via xvidcore,
188
                           native MPEG-4/Xvid encoder exists [no]
189
  --enable-mlib            enable Sun medialib [no]
190
  --enable-zlib            enable zlib [autodetect]
191

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

    
239
Developer options (useful when working on FFmpeg itself):
240
  --disable-debug          disable debugging symbols
241
  --enable-debug=LEVEL     set the debug level [$debuglevel]
242
  --disable-optimizations  disable compiler optimizations
243
  --enable-extra-warnings  enable more compiler warnings
244
  --disable-stripping      disable stripping of executables and shared libraries
245
  --samples=PATH           location of test samples for FATE
246

    
247
NOTE: Object files are built at the place where configure is launched.
248
EOF
249
  exit 0
250
}
251

    
252
quotes='""'
253

    
254
log(){
255
    echo "$@" >> $logfile
256
}
257

    
258
log_file(){
259
    log BEGIN $1
260
    pr -n -t $1 >> $logfile
261
    log END $1
262
}
263

    
264
echolog(){
265
    log "$@"
266
    echo "$@"
267
}
268

    
269
warn(){
270
    log "WARNING: $*"
271
    WARNINGS="${WARNINGS}WARNING: $*\n"
272
}
273

    
274
die(){
275
    echolog "$@"
276
    cat <<EOF
277

    
278
If you think configure made a mistake, make sure you are using the latest
279
version from SVN.  If the latest version fails, report the problem to the
280
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
281
EOF
282
    if disabled logging; then
283
        cat <<EOF
284
Rerun configure with logging enabled (do not use --disable-logging), and
285
include the log this produces with your report.
286
EOF
287
    else
288
cat <<EOF
289
Include the log file "$logfile" produced by configure as this will help
290
solving the problem.
291
EOF
292
    fi
293
    exit 1
294
}
295

    
296
# Avoid locale weirdness, besides we really just want to translate ASCII.
297
toupper(){
298
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
299
}
300

    
301
tolower(){
302
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
303
}
304

    
305
c_escape(){
306
    echo "$*" | sed 's/["\\]/\\\0/g'
307
}
308

    
309
sh_quote(){
310
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
311
    test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
312
    echo "$v"
313
}
314

    
315
filter(){
316
    pat=$1
317
    shift
318
    for v; do
319
        eval "case $v in $pat) echo $v ;; esac"
320
    done
321
}
322

    
323
map(){
324
    m=$1
325
    shift
326
    for v; do eval $m; done
327
}
328

    
329
set_all(){
330
    value=$1
331
    shift
332
    for var in $*; do
333
        eval $var=$value
334
    done
335
}
336

    
337
set_weak(){
338
    value=$1
339
    shift
340
    for var; do
341
        eval : \${$var:=$value}
342
    done
343
}
344

    
345
pushvar(){
346
    for var in $*; do
347
        eval level=\${${var}_level:=0}
348
        eval ${var}_${level}="\$$var"
349
        eval ${var}_level=$(($level+1))
350
    done
351
}
352

    
353
popvar(){
354
    for var in $*; do
355
        eval level=\${${var}_level:-0}
356
        test $level = 0 && continue
357
        eval level=$(($level-1))
358
        eval $var="\${${var}_${level}}"
359
        eval ${var}_level=$level
360
        eval unset ${var}_${level}
361
    done
362
}
363

    
364
enable(){
365
    set_all yes $*
366
}
367

    
368
disable(){
369
    set_all no $*
370
}
371

    
372
enable_weak(){
373
    set_weak yes $*
374
}
375

    
376
disable_weak(){
377
    set_weak no $*
378
}
379

    
380
enable_safe(){
381
    for var; do
382
        enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
383
    done
384
}
385

    
386
disable_safe(){
387
    for var; do
388
        disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
389
    done
390
}
391

    
392
do_enable_deep(){
393
    for var; do
394
        enabled $var && continue
395
        eval sel="\$${var}_select"
396
        eval sgs="\$${var}_suggest"
397
        pushvar var sgs
398
        enable_deep $sel
399
        popvar sgs
400
        enable_deep_weak $sgs
401
        popvar var
402
    done
403
}
404

    
405
enable_deep(){
406
    do_enable_deep $*
407
    enable $*
408
}
409

    
410
enable_deep_weak(){
411
    do_enable_deep $*
412
    enable_weak $*
413
}
414

    
415
enabled(){
416
    test "${1#!}" = "$1" && op== || op=!=
417
    eval test "x\$${1#!}" $op "xyes"
418
}
419

    
420
disabled(){
421
    test "${1#!}" = "$1" && op== || op=!=
422
    eval test "x\$${1#!}" $op "xno"
423
}
424

    
425
enabled_all(){
426
    for opt; do
427
        enabled $opt || return 1
428
    done
429
}
430

    
431
disabled_all(){
432
    for opt; do
433
        disabled $opt || return 1
434
    done
435
}
436

    
437
enabled_any(){
438
    for opt; do
439
        enabled $opt && return 0
440
    done
441
}
442

    
443
disabled_any(){
444
    for opt; do
445
        disabled $opt && return 0
446
    done
447
    return 1
448
}
449

    
450
set_default(){
451
    for opt; do
452
        eval : \${$opt:=\$${opt}_default}
453
    done
454
}
455

    
456
is_in(){
457
    value=$1
458
    shift
459
    for var in $*; do
460
        [ $var = $value ] && return 0
461
    done
462
    return 1
463
}
464

    
465
check_deps(){
466
    for cfg; do
467
        cfg="${cfg#!}"
468
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
469
        disabled ${cfg}_checking && continue
470
        enable ${cfg}_checking
471

    
472
        eval dep_all="\$${cfg}_deps"
473
        eval dep_any="\$${cfg}_deps_any"
474
        eval dep_sel="\$${cfg}_select"
475
        eval dep_sgs="\$${cfg}_suggest"
476
        eval dep_ifa="\$${cfg}_if"
477
        eval dep_ifn="\$${cfg}_if_any"
478

    
479
        pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
480
        check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
481
        popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
482

    
483
        [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
484
        [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
485
        enabled_all  $dep_all || disable $cfg
486
        enabled_any  $dep_any || disable $cfg
487
        disabled_any $dep_sel && disable $cfg
488

    
489
        if enabled $cfg; then
490
            eval dep_extralibs="\$${cfg}_extralibs"
491
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
492
            enable_deep $dep_sel
493
            enable_deep_weak $dep_sgs
494
        fi
495

    
496
        disable ${cfg}_checking
497
    done
498
}
499

    
500
print_config_h(){
501
    enabled $1 && v=1 || v=0
502
    echo "#define $2 $v"
503
}
504

    
505
print_config_mak(){
506
    enabled $1 && v= || v=!
507
    echo "$v$2=yes"
508
}
509

    
510
print_config_asm(){
511
    enabled $1 && echo "%define $2"
512
}
513

    
514
print_config(){
515
    pfx=$1
516
    files=$2
517
    shift 2
518
    for cfg; do
519
        ucname="$(toupper $cfg)"
520
        for f in $files; do
521
            "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
522
        done
523
    done
524
}
525

    
526
print_enabled(){
527
    test "$1" = -n && end=" " && shift || end="\n"
528
    suf=$1
529
    shift
530
    for v; do
531
        enabled $v && printf "%s$end" ${v%$suf};
532
    done
533
}
534

    
535
append(){
536
    var=$1
537
    shift
538
    eval "$var=\"\$$var $*\""
539
}
540

    
541
prepend(){
542
    var=$1
543
    shift
544
    eval "$var=\"$* \$$var\""
545
}
546

    
547
add_cppflags(){
548
    append CPPFLAGS $($filter_cppflags "$@")
549
}
550

    
551
add_cflags(){
552
    append CFLAGS $($filter_cflags "$@")
553
}
554

    
555
add_asflags(){
556
    append ASFLAGS $($filter_asflags "$@")
557
}
558

    
559
add_ldflags(){
560
    append LDFLAGS "$@"
561
}
562

    
563
add_extralibs(){
564
    prepend extralibs "$@"
565
}
566

    
567
check_cmd(){
568
    log "$@"
569
    "$@" >> $logfile 2>&1
570
}
571

    
572
check_cc(){
573
    log check_cc "$@"
574
    cat > $TMPC
575
    log_file $TMPC
576
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
577
}
578

    
579
check_cpp(){
580
    log check_cpp "$@"
581
    cat > $TMPC
582
    log_file $TMPC
583
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
584
}
585

    
586
check_as(){
587
    log check_as "$@"
588
    cat > $TMPC
589
    log_file $TMPC
590
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
591
}
592

    
593
check_asm(){
594
    log check_asm "$@"
595
    name="$1"
596
    code="$2"
597
    shift 2
598
    disable $name
599
    check_as "$@" <<EOF && enable $name
600
void foo(void){ __asm__ volatile($code); }
601
EOF
602
}
603

    
604
check_yasm(){
605
    log check_yasm "$@"
606
    echo "$1" > $TMPS
607
    log_file $TMPS
608
    shift 1
609
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
610
}
611

    
612
check_ld(){
613
    log check_ld "$@"
614
    flags=''
615
    libs=''
616
    for f; do
617
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
618
    done
619
    check_cc $($filter_cflags $flags) || return
620
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
621
}
622

    
623
check_cppflags(){
624
    log check_cppflags "$@"
625
    set -- $($filter_cppflags "$@")
626
    check_cc "$@" <<EOF && append CPPFLAGS "$@"
627
int x;
628
EOF
629
}
630

    
631
check_cflags(){
632
    log check_cflags "$@"
633
    set -- $($filter_cflags "$@")
634
    check_cc "$@" <<EOF && append CFLAGS "$@"
635
int x;
636
EOF
637
}
638

    
639
test_ldflags(){
640
    log test_ldflags "$@"
641
    check_ld "$@" <<EOF
642
int main(void){ return 0; }
643
EOF
644
}
645

    
646
check_ldflags(){
647
    log check_ldflags "$@"
648
    test_ldflags "$@" && add_ldflags "$@"
649
}
650

    
651
check_header(){
652
    log check_header "$@"
653
    header=$1
654
    shift
655
    disable_safe $header
656
    check_cpp "$@" <<EOF && enable_safe $header
657
#include <$header>
658
int x;
659
EOF
660
}
661

    
662
check_func(){
663
    log check_func "$@"
664
    func=$1
665
    shift
666
    disable $func
667
    check_ld "$@" <<EOF && enable $func
668
extern int $func();
669
int main(void){ $func(); }
670
EOF
671
}
672

    
673
check_mathfunc(){
674
    log check_mathfunc "$@"
675
    func=$1
676
    shift
677
    disable $func
678
    check_ld "$@" <<EOF && enable $func
679
#include <math.h>
680
float foo(float f) { return $func(f); }
681
int main(void){ return 0; }
682
EOF
683
}
684

    
685
check_func_headers(){
686
    log check_func_headers "$@"
687
    headers=$1
688
    func=$2
689
    shift 2
690
    disable $func
691
    incs=""
692
    for hdr in $headers; do
693
        incs="$incs
694
#include <$hdr>"
695
    done
696
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
697
$incs
698
int main(int argc, char **argv){
699
    return (long) $func;
700
}
701
EOF
702
}
703

    
704
check_cpp_condition(){
705
    log check_cpp_condition "$@"
706
    header=$1
707
    condition=$2
708
    shift 2
709
    check_cpp $($filter_cppflags "$@") <<EOF
710
#include <$header>
711
#if !($condition)
712
#error "unsatisfied condition: $condition"
713
#endif
714
EOF
715
}
716

    
717
check_lib(){
718
    log check_lib "$@"
719
    header="$1"
720
    func="$2"
721
    shift 2
722
    check_header $header && check_func $func "$@" && add_extralibs "$@"
723
}
724

    
725
check_lib2(){
726
    log check_lib2 "$@"
727
    headers="$1"
728
    func="$2"
729
    shift 2
730
    check_func_headers "$headers" $func "$@" && add_extralibs "$@"
731
}
732

    
733
check_exec(){
734
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
735
}
736

    
737
check_exec_crash(){
738
    code=$(cat)
739

    
740
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
741
    # are safe but may not be available everywhere.  Thus we use
742
    # raise(SIGTERM) instead.  The check is run in a subshell so we
743
    # can redirect the "Terminated" message from the shell.  SIGBUS
744
    # is not defined by standard C so it is used conditionally.
745

    
746
    (check_exec "$@") >> $logfile 2>&1 <<EOF
747
#include <signal.h>
748
static void sighandler(int sig){
749
    raise(SIGTERM);
750
}
751
int main(void){
752
    signal(SIGILL, sighandler);
753
    signal(SIGFPE, sighandler);
754
    signal(SIGSEGV, sighandler);
755
#ifdef SIGBUS
756
    signal(SIGBUS, sighandler);
757
#endif
758
    { $code }
759
}
760
EOF
761
}
762

    
763
check_type(){
764
    log check_type "$@"
765
    headers=$1
766
    type=$2
767
    shift 2
768
    disable_safe "$type"
769
    incs=""
770
    for hdr in $headers; do
771
        incs="$incs
772
#include <$hdr>"
773
    done
774
    check_cc "$@" <<EOF && enable_safe "$type"
775
$incs
776
$type v;
777
EOF
778
}
779

    
780
check_struct(){
781
    log check_type "$@"
782
    headers=$1
783
    struct=$2
784
    member=$3
785
    shift 3
786
    disable_safe "${struct}_${member}"
787
    incs=""
788
    for hdr in $headers; do
789
        incs="$incs
790
#include <$hdr>"
791
    done
792
    check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
793
$incs
794
const void *p = &(($struct *)0)->$member;
795
EOF
796
}
797

    
798
require(){
799
    name="$1"
800
    header="$2"
801
    func="$3"
802
    shift 3
803
    check_lib $header $func "$@" || die "ERROR: $name not found"
804
}
805

    
806
require2(){
807
    name="$1"
808
    headers="$2"
809
    func="$3"
810
    shift 3
811
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
812
}
813

    
814
check_host_cc(){
815
    log check_host_cc "$@"
816
    cat > $TMPC
817
    log_file $TMPC
818
    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
819
}
820

    
821
check_host_cflags(){
822
    log check_host_cflags "$@"
823
    check_host_cc "$@" <<EOF && append host_cflags "$@"
824
int x;
825
EOF
826
}
827

    
828
apply(){
829
    file=$1
830
    shift
831
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
832
}
833

    
834
cp_if_changed(){
835
    cmp -s "$1" "$2" &&
836
        echo "$2 is unchanged" ||
837
        cp -f "$1" "$2"
838
}
839

    
840
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
841
# system-dependent things.
842

    
843
COMPONENT_LIST="
844
    bsfs
845
    decoders
846
    demuxers
847
    encoders
848
    filters
849
    hwaccels
850
    indevs
851
    muxers
852
    outdevs
853
    parsers
854
    protocols
855
"
856

    
857
CONFIG_LIST="
858
    $COMPONENT_LIST
859
    aandct
860
    avcodec
861
    avcore
862
    avdevice
863
    avfilter
864
    avformat
865
    avisynth
866
    bzlib
867
    dct
868
    doc
869
    dwt
870
    dxva2
871
    fastdiv
872
    ffmpeg
873
    ffplay
874
    ffprobe
875
    ffserver
876
    fft
877
    frei0r
878
    golomb
879
    gpl
880
    gray
881
    h264dsp
882
    h264pred
883
    hardcoded_tables
884
    huffman
885
    libdc1394
886
    libdirac
887
    libfaac
888
    libgsm
889
    libmp3lame
890
    libnut
891
    libopencore_amrnb
892
    libopencore_amrwb
893
    libopencv
894
    libopenjpeg
895
    librtmp
896
    libschroedinger
897
    libspeex
898
    libtheora
899
    libvorbis
900
    libvpx
901
    libx264
902
    libxavs
903
    libxvid
904
    lpc
905
    lsp
906
    mdct
907
    memalign_hack
908
    mlib
909
    mpegaudio_hp
910
    network
911
    nonfree
912
    pic
913
    postproc
914
    rdft
915
    rtpdec
916
    runtime_cpudetect
917
    shared
918
    small
919
    sram
920
    static
921
    swscale
922
    swscale_alpha
923
    vaapi
924
    vdpau
925
    version3
926
    x11grab
927
    zlib
928
"
929

    
930
THREADS_LIST='
931
    pthreads
932
    w32threads
933
'
934

    
935
ARCH_LIST='
936
    alpha
937
    arm
938
    avr32
939
    avr32_ap
940
    avr32_uc
941
    bfin
942
    ia64
943
    m68k
944
    mips
945
    mips64
946
    parisc
947
    ppc
948
    ppc64
949
    s390
950
    sh4
951
    sparc
952
    sparc64
953
    tomi
954
    x86
955
    x86_32
956
    x86_64
957
'
958

    
959
ARCH_EXT_LIST='
960
    altivec
961
    amd3dnow
962
    amd3dnowext
963
    armv5te
964
    armv6
965
    armv6t2
966
    armvfp
967
    iwmmxt
968
    mmi
969
    mmx
970
    mmx2
971
    neon
972
    ppc4xx
973
    sse
974
    ssse3
975
    vis
976
'
977

    
978
HAVE_LIST_PUB='
979
    bigendian
980
    fast_unaligned
981
'
982

    
983
HAVE_LIST="
984
    $ARCH_EXT_LIST
985
    $HAVE_LIST_PUB
986
    $THREADS_LIST
987
    aligned_stack
988
    alsa_asoundlib_h
989
    altivec_h
990
    arpa_inet_h
991
    attribute_may_alias
992
    attribute_packed
993
    bswap
994
    closesocket
995
    cmov
996
    conio_h
997
    dcbzl
998
    dev_bktr_ioctl_bt848_h
999
    dev_bktr_ioctl_meteor_h
1000
    dev_ic_bt8xx_h
1001
    dev_video_meteor_ioctl_meteor_h
1002
    dev_video_bktr_ioctl_bt848_h
1003
    dlfcn_h
1004
    dlopen
1005
    dos_paths
1006
    ebp_available
1007
    ebx_available
1008
    exp2
1009
    exp2f
1010
    fast_64bit
1011
    fast_clz
1012
    fast_cmov
1013
    fcntl
1014
    fork
1015
    getaddrinfo
1016
    gethrtime
1017
    GetProcessMemoryInfo
1018
    GetProcessTimes
1019
    getrusage
1020
    gnu_as
1021
    struct_rusage_ru_maxrss
1022
    ibm_asm
1023
    inet_aton
1024
    inline_asm
1025
    isatty
1026
    ldbrx
1027
    libdc1394_1
1028
    libdc1394_2
1029
    llrint
1030
    llrintf
1031
    local_aligned_16
1032
    local_aligned_8
1033
    log2
1034
    log2f
1035
    loongson
1036
    lrint
1037
    lrintf
1038
    lzo1x_999_compress
1039
    machine_ioctl_bt848_h
1040
    machine_ioctl_meteor_h
1041
    malloc_h
1042
    memalign
1043
    mkstemp
1044
    pld
1045
    posix_memalign
1046
    round
1047
    roundf
1048
    sdl
1049
    sdl_video_size
1050
    setmode
1051
    socklen_t
1052
    soundcard_h
1053
    poll_h
1054
    setrlimit
1055
    strerror_r
1056
    strtok_r
1057
    struct_addrinfo
1058
    struct_ipv6_mreq
1059
    struct_sockaddr_in6
1060
    struct_sockaddr_sa_len
1061
    struct_sockaddr_storage
1062
    symver
1063
    symver_gnu_asm
1064
    symver_asm_label
1065
    sys_mman_h
1066
    sys_resource_h
1067
    sys_select_h
1068
    sys_soundcard_h
1069
    sys_videoio_h
1070
    ten_operands
1071
    termios_h
1072
    threads
1073
    truncf
1074
    vfp_args
1075
    VirtualAlloc
1076
    winsock2_h
1077
    xform_asm
1078
    xmm_clobbers
1079
    yasm
1080
"
1081

    
1082
# options emitted with CONFIG_ prefix but not available on command line
1083
CONFIG_EXTRA="
1084
    avutil
1085
    gplv3
1086
    lgplv3
1087
"
1088

    
1089
CMDLINE_SELECT="
1090
    $ARCH_EXT_LIST
1091
    $CONFIG_LIST
1092
    $THREADS_LIST
1093
    asm
1094
    cross_compile
1095
    debug
1096
    extra_warnings
1097
    logging
1098
    optimizations
1099
    stripping
1100
    yasm
1101
"
1102

    
1103
PATHS_LIST='
1104
    bindir
1105
    datadir
1106
    incdir
1107
    libdir
1108
    mandir
1109
    prefix
1110
    shlibdir
1111
'
1112

    
1113
CMDLINE_SET="
1114
    $PATHS_LIST
1115
    ar
1116
    arch
1117
    as
1118
    build_suffix
1119
    cc
1120
    cpu
1121
    cross_prefix
1122
    dep_cc
1123
    extra_version
1124
    host_cc
1125
    host_cflags
1126
    host_ldflags
1127
    host_libs
1128
    host_os
1129
    ld
1130
    logfile
1131
    malloc_prefix
1132
    nm
1133
    samples
1134
    source_path
1135
    strip
1136
    sysinclude
1137
    sysroot
1138
    target_exec
1139
    target_os
1140
    target_path
1141
"
1142

    
1143
CMDLINE_APPEND="
1144
    extra_cflags
1145
"
1146

    
1147
# code dependency declarations
1148

    
1149
# architecture extensions
1150

    
1151
armv5te_deps="arm"
1152
armv6_deps="arm"
1153
armv6t2_deps="arm"
1154
armvfp_deps="arm"
1155
iwmmxt_deps="arm"
1156
neon_deps="arm"
1157

    
1158
mmi_deps="mips"
1159

    
1160
altivec_deps="ppc"
1161
ppc4xx_deps="ppc"
1162

    
1163
vis_deps="sparc"
1164

    
1165
x86_64_suggest="cmov fast_cmov"
1166
amd3dnow_deps="mmx"
1167
amd3dnowext_deps="amd3dnow"
1168
mmx_deps="x86"
1169
mmx2_deps="mmx"
1170
sse_deps="mmx"
1171
ssse3_deps="sse"
1172

    
1173
aligned_stack_if_any="ppc x86"
1174
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1175
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1176
fast_unaligned_if_any="armv6 ppc x86"
1177

    
1178
need_memalign="altivec neon sse"
1179
inline_asm_deps="!tms470"
1180

    
1181
symver_if_any="symver_asm_label symver_gnu_asm"
1182

    
1183
# subsystems
1184
dct_select="rdft"
1185
mdct_select="fft"
1186
rdft_select="fft"
1187

    
1188
# decoders / encoders / hardware accelerators
1189
aac_decoder_select="mdct rdft"
1190
aac_encoder_select="mdct"
1191
aac_latm_decoder_select="aac_decoder aac_latm_parser"
1192
ac3_decoder_select="mdct ac3_parser"
1193
alac_encoder_select="lpc"
1194
amrnb_decoder_select="lsp"
1195
atrac1_decoder_select="mdct"
1196
atrac3_decoder_select="mdct"
1197
binkaudio_dct_decoder_select="mdct rdft dct"
1198
binkaudio_rdft_decoder_select="mdct rdft"
1199
cavs_decoder_select="golomb"
1200
cook_decoder_select="mdct"
1201
cscd_decoder_suggest="zlib"
1202
dca_decoder_select="mdct"
1203
dnxhd_encoder_select="aandct"
1204
dxa_decoder_select="zlib"
1205
eac3_decoder_select="ac3_decoder"
1206
eamad_decoder_select="aandct"
1207
eatgq_decoder_select="aandct"
1208
eatqi_decoder_select="aandct"
1209
ffv1_decoder_select="golomb"
1210
flac_decoder_select="golomb"
1211
flac_encoder_select="golomb lpc"
1212
flashsv_decoder_select="zlib"
1213
flashsv_encoder_select="zlib"
1214
flv_decoder_select="h263_decoder"
1215
flv_encoder_select="h263_encoder"
1216
fraps_decoder_select="huffman"
1217
h261_encoder_select="aandct"
1218
h263_decoder_select="h263_parser"
1219
h263_encoder_select="aandct"
1220
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1221
h263i_decoder_select="h263_decoder"
1222
h263p_encoder_select="h263_encoder"
1223
h264_decoder_select="golomb h264dsp h264pred"
1224
h264_dxva2_hwaccel_deps="dxva2api_h"
1225
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1226
h264_vaapi_hwaccel_select="vaapi"
1227
h264_vdpau_decoder_select="vdpau h264_decoder"
1228
imc_decoder_select="fft mdct"
1229
jpegls_decoder_select="golomb"
1230
jpegls_encoder_select="golomb"
1231
ljpeg_encoder_select="aandct"
1232
loco_decoder_select="golomb"
1233
mjpeg_encoder_select="aandct"
1234
mlp_decoder_select="mlp_parser"
1235
mp1float_decoder_select="dct"
1236
mp2float_decoder_select="dct"
1237
mp3adufloat_decoder_select="dct"
1238
mp3float_decoder_select="dct"
1239
mp3on4float_decoder_select="dct"
1240
mpeg1video_encoder_select="aandct"
1241
mpeg2video_encoder_select="aandct"
1242
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1243
mpeg4_encoder_select="h263_encoder"
1244
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1245
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1246
mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1247
mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1248
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1249
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1250
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1251
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1252
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1253
msmpeg4v1_decoder_select="h263_decoder"
1254
msmpeg4v1_encoder_select="h263_encoder"
1255
msmpeg4v2_decoder_select="h263_decoder"
1256
msmpeg4v2_encoder_select="h263_encoder"
1257
msmpeg4v3_decoder_select="h263_decoder"
1258
msmpeg4v3_encoder_select="h263_encoder"
1259
nellymoser_decoder_select="mdct"
1260
nellymoser_encoder_select="mdct"
1261
png_decoder_select="zlib"
1262
png_encoder_select="zlib"
1263
qcelp_decoder_select="lsp"
1264
qdm2_decoder_select="mdct rdft"
1265
ra_144_encoder_select="lpc"
1266
rv10_decoder_select="h263_decoder"
1267
rv10_encoder_select="h263_encoder"
1268
rv20_decoder_select="h263_decoder"
1269
rv20_encoder_select="h263_encoder"
1270
rv30_decoder_select="golomb h264pred"
1271
rv40_decoder_select="golomb h264pred"
1272
shorten_decoder_select="golomb"
1273
sipr_decoder_select="lsp"
1274
snow_decoder_select="dwt"
1275
snow_encoder_select="aandct dwt"
1276
sonic_decoder_select="golomb"
1277
sonic_encoder_select="golomb"
1278
sonic_ls_encoder_select="golomb"
1279
svq1_encoder_select="aandct"
1280
svq3_decoder_select="golomb h264dsp h264pred"
1281
svq3_decoder_suggest="zlib"
1282
theora_decoder_select="vp3_decoder"
1283
tiff_decoder_suggest="zlib"
1284
tiff_encoder_suggest="zlib"
1285
truehd_decoder_select="mlp_decoder"
1286
tscc_decoder_select="zlib"
1287
twinvq_decoder_select="mdct lsp"
1288
vc1_decoder_select="h263_decoder"
1289
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1290
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1291
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1292
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1293
vorbis_decoder_select="mdct"
1294
vorbis_encoder_select="mdct"
1295
vp6_decoder_select="huffman"
1296
vp6a_decoder_select="vp6_decoder"
1297
vp6f_decoder_select="vp6_decoder"
1298
vp8_decoder_select="h264pred"
1299
wmapro_decoder_select="mdct"
1300
wmav1_decoder_select="mdct"
1301
wmav1_encoder_select="mdct"
1302
wmav2_decoder_select="mdct"
1303
wmav2_encoder_select="mdct"
1304
wmavoice_decoder_select="lsp rdft dct mdct"
1305
wmv1_decoder_select="h263_decoder"
1306
wmv1_encoder_select="h263_encoder"
1307
wmv2_decoder_select="h263_decoder"
1308
wmv2_encoder_select="h263_encoder"
1309
wmv3_decoder_select="vc1_decoder"
1310
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1311
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1312
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1313
zlib_decoder_select="zlib"
1314
zlib_encoder_select="zlib"
1315
zmbv_decoder_select="zlib"
1316
zmbv_encoder_select="zlib"
1317

    
1318
vaapi_deps="va_va_h"
1319
vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1320

    
1321
# parsers
1322
h264_parser_select="golomb h264dsp h264pred"
1323

    
1324
# external libraries
1325
libdirac_decoder_deps="libdirac !libschroedinger"
1326
libdirac_encoder_deps="libdirac"
1327
libfaac_encoder_deps="libfaac"
1328
libgsm_decoder_deps="libgsm"
1329
libgsm_encoder_deps="libgsm"
1330
libgsm_ms_decoder_deps="libgsm"
1331
libgsm_ms_encoder_deps="libgsm"
1332
libmp3lame_encoder_deps="libmp3lame"
1333
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1334
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1335
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1336
libopenjpeg_decoder_deps="libopenjpeg"
1337
libschroedinger_decoder_deps="libschroedinger"
1338
libschroedinger_encoder_deps="libschroedinger"
1339
libspeex_decoder_deps="libspeex"
1340
libtheora_encoder_deps="libtheora"
1341
libvorbis_encoder_deps="libvorbis"
1342
libvpx_decoder_deps="libvpx"
1343
libvpx_encoder_deps="libvpx"
1344
libx264_encoder_deps="libx264"
1345
libxavs_encoder_deps="libxavs"
1346
libxvid_encoder_deps="libxvid"
1347

    
1348
# demuxers / muxers
1349
ac3_demuxer_deps="ac3_parser"
1350
asf_stream_muxer_select="asf_muxer"
1351
avisynth_demuxer_deps="avisynth"
1352
dirac_demuxer_deps="dirac_parser"
1353
eac3_demuxer_select="ac3_parser"
1354
ipod_muxer_select="mov_muxer"
1355
libnut_demuxer_deps="libnut"
1356
libnut_muxer_deps="libnut"
1357
matroska_audio_muxer_select="matroska_muxer"
1358
matroska_demuxer_suggest="zlib bzlib"
1359
mov_demuxer_suggest="zlib"
1360
mp3_demuxer_deps="mpegaudio_parser"
1361
mp4_muxer_select="mov_muxer"
1362
mpegtsraw_demuxer_select="mpegts_demuxer"
1363
mxf_d10_muxer_select="mxf_muxer"
1364
ogg_demuxer_select="golomb"
1365
psp_muxer_select="mov_muxer"
1366
rtp_demuxer_select="sdp_demuxer"
1367
rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1368
rtsp_demuxer_select="http_protocol rtpdec"
1369
rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1370
sap_demuxer_select="sdp_demuxer"
1371
sap_muxer_select="rtp_muxer rtp_protocol"
1372
sdp_demuxer_select="rtpdec"
1373
spdif_muxer_select="aac_parser"
1374
tg2_muxer_select="mov_muxer"
1375
tgp_muxer_select="mov_muxer"
1376
w64_demuxer_deps="wav_demuxer"
1377

    
1378
# indevs / outdevs
1379
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1380
alsa_outdev_deps="alsa_asoundlib_h"
1381
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1382
dv1394_indev_deps="dv1394 dv_demuxer"
1383
jack_indev_deps="jack_jack_h"
1384
libdc1394_indev_deps="libdc1394"
1385
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1386
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1387
v4l_indev_deps="linux_videodev_h"
1388
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1389
vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1390
vfwcap_indev_extralibs="-lavicap32"
1391
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1392
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1393

    
1394
# protocols
1395
gopher_protocol_deps="network"
1396
http_protocol_deps="network"
1397
http_protocol_select="tcp_protocol"
1398
mmsh_protocol_select="http_protocol"
1399
mmst_protocol_deps="network"
1400
rtmp_protocol_select="tcp_protocol"
1401
rtp_protocol_select="udp_protocol"
1402
tcp_protocol_deps="network"
1403
udp_protocol_deps="network"
1404

    
1405
# filters
1406
blackframe_filter_deps="gpl"
1407
cropdetect_filter_deps="gpl"
1408
frei0r_filter_deps="frei0r dlopen strtok_r"
1409
ocv_smooth_filter_deps="libopencv"
1410
yadif_filter_deps="gpl"
1411

    
1412
# libraries
1413
avdevice_deps="avcodec avformat"
1414
avformat_deps="avcodec"
1415

    
1416
# programs
1417
ffmpeg_deps="avcodec avformat swscale"
1418
ffmpeg_select="buffer_filter"
1419
ffplay_deps="avcodec avformat swscale sdl"
1420
ffplay_select="rdft"
1421
ffprobe_deps="avcodec avformat"
1422
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1423
ffserver_extralibs='$ldl'
1424

    
1425
doc_deps="texi2html"
1426

    
1427
# tests
1428

    
1429
test_deps(){
1430
    suf1=$1
1431
    suf2=$2
1432
    shift 2
1433
    for v; do
1434
        dep=${v%=*}
1435
        tests=${v#*=}
1436
        for name in ${tests}; do
1437
            eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1438
        done
1439
    done
1440
}
1441

    
1442
set_ne_test_deps(){
1443
    eval ${1}_be_test_deps="bigendian"
1444
    eval ${1}_le_test_deps="!bigendian"
1445
}
1446

    
1447
test_deps _encoder _decoder                                             \
1448
    ac3                                                                 \
1449
    adpcm_g726=g726                                                     \
1450
    adpcm_ima_qt                                                        \
1451
    adpcm_ima_wav                                                       \
1452
    adpcm_ms                                                            \
1453
    adpcm_swf                                                           \
1454
    adpcm_yamaha=adpcm_yam                                              \
1455
    alac                                                                \
1456
    asv1                                                                \
1457
    asv2                                                                \
1458
    bmp                                                                 \
1459
    dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1460
    dvvideo="dv dv50"                                                   \
1461
    ffv1                                                                \
1462
    flac                                                                \
1463
    flashsv                                                             \
1464
    flv                                                                 \
1465
    gif                                                                 \
1466
    h261                                                                \
1467
    h263="h263 h263p"                                                   \
1468
    huffyuv                                                             \
1469
    jpegls                                                              \
1470
    mjpeg="jpg mjpeg ljpeg"                                             \
1471
    mp2                                                                 \
1472
    mpeg1video="mpeg mpeg1b"                                            \
1473
    mpeg2video="mpeg2 mpeg2thread"                                      \
1474
    mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1475
    msmpeg4v3=msmpeg4                                                   \
1476
    msmpeg4v2                                                           \
1477
    pbm=pbmpipe                                                         \
1478
    pcx                                                                 \
1479
    pgm="pgm pgmpipe"                                                   \
1480
    ppm="ppm ppmpipe"                                                   \
1481
    rawvideo="rgb yuv"                                                  \
1482
    roq                                                                 \
1483
    rv10                                                                \
1484
    rv20                                                                \
1485
    sgi                                                                 \
1486
    snow="snow snowll"                                                  \
1487
    svq1                                                                \
1488
    targa=tga                                                           \
1489
    tiff                                                                \
1490
    wmav1                                                               \
1491
    wmav2                                                               \
1492
    wmv1                                                                \
1493
    wmv2                                                                \
1494

    
1495
test_deps _muxer _demuxer                                               \
1496
    aiff                                                                \
1497
    pcm_alaw=alaw                                                       \
1498
    asf                                                                 \
1499
    au                                                                  \
1500
    avi                                                                 \
1501
    dv=dv_fmt                                                           \
1502
    ffm                                                                 \
1503
    flv=flv_fmt                                                         \
1504
    gxf                                                                 \
1505
    matroska=mkv                                                        \
1506
    mmf                                                                 \
1507
    mov                                                                 \
1508
    pcm_mulaw=mulaw                                                     \
1509
    mxf                                                                 \
1510
    nut                                                                 \
1511
    ogg                                                                 \
1512
    rawvideo=pixfmt                                                     \
1513
    rm                                                                  \
1514
    swf                                                                 \
1515
    mpegts=ts                                                           \
1516
    voc                                                                 \
1517
    wav                                                                 \
1518
    yuv4mpegpipe=yuv4mpeg                                               \
1519

    
1520
mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1521

    
1522
set_ne_test_deps pixdesc
1523
set_ne_test_deps pixfmts_crop
1524
set_ne_test_deps pixfmts_hflip
1525
set_ne_test_deps pixfmts_null
1526
set_ne_test_deps pixfmts_pad
1527
set_ne_test_deps pixfmts_scale
1528
set_ne_test_deps pixfmts_vflip
1529

    
1530
# default parameters
1531

    
1532
logfile="config.log"
1533

    
1534
# installation paths
1535
prefix_default="/usr/local"
1536
bindir_default='${prefix}/bin'
1537
datadir_default='${prefix}/share/ffmpeg'
1538
incdir_default='${prefix}/include'
1539
libdir_default='${prefix}/lib'
1540
mandir_default='${prefix}/share/man'
1541
shlibdir_default="$libdir_default"
1542

    
1543
# toolchain
1544
ar_default="ar"
1545
cc_default="gcc"
1546
cc_version=\"unknown\"
1547
host_cc_default="gcc"
1548
ln_s="ln -sf"
1549
nm_default="nm"
1550
objformat="elf"
1551
ranlib="ranlib"
1552
strip_default="strip"
1553
yasmexe="yasm"
1554
nogas=":"
1555

    
1556
nm_opts='-g'
1557

    
1558
# machine
1559
arch_default=$(uname -m)
1560
cpu="generic"
1561

    
1562
# OS
1563
target_os_default=$(tolower $(uname -s))
1564
host_os=$target_os_default
1565

    
1566
# configurable options
1567
enable avcodec
1568
enable avcore
1569
enable avdevice
1570
enable avfilter
1571
enable avformat
1572
enable avutil
1573
enable asm
1574
enable debug
1575
enable doc
1576
enable fastdiv
1577
enable ffmpeg
1578
enable ffplay
1579
enable ffprobe
1580
enable ffserver
1581
enable mpegaudio_hp
1582
enable network
1583
enable optimizations
1584
enable protocols
1585
enable static
1586
enable stripping
1587
enable swscale
1588
enable swscale_alpha
1589

    
1590
# build settings
1591
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1592
FFSERVERLDFLAGS=-Wl,-E
1593
LIBPREF="lib"
1594
LIBSUF=".a"
1595
FULLNAME='$(NAME)$(BUILDSUF)'
1596
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1597
SLIBPREF="lib"
1598
SLIBSUF=".so"
1599
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1600
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1601
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1602
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1603

    
1604
CC_O='-o $@'
1605

    
1606
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1607
host_libs='-lm'
1608

    
1609
target_path='$(CURDIR)'
1610

    
1611
# since the object filename is not given with the -MM flag, the compiler
1612
# is only able to print the basename, and we must add the path ourselves
1613
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1614
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1615

    
1616
# find source path
1617
source_path="$(dirname "$0")"
1618
enable source_path_used
1619
if test -f configure; then
1620
    source_path="$(pwd)"
1621
    disable source_path_used
1622
else
1623
    source_path="$(cd "$source_path"; pwd)"
1624
    echo "$source_path" | grep -q '[[:blank:]]' &&
1625
        die "Out of tree builds are impossible with whitespace in source path."
1626
    test -e "$source_path/config.h" &&
1627
        die "Out of tree builds are impossible with config.h in source dir."
1628
fi
1629

    
1630
for v in "$@"; do
1631
    r=${v#*=}
1632
    l=${v%"$r"}
1633
    r=$(sh_quote "$r")
1634
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1635
done
1636

    
1637
find_things(){
1638
    thing=$1
1639
    pattern=$2
1640
    file=$source_path/$3
1641
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1642
}
1643

    
1644
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1645
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1646
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1647
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1648
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1649
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1650
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1651
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1652
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1653
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1654
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1655

    
1656
find_tests(){
1657
    map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1658
}
1659

    
1660
ACODEC_TESTS=$(find_tests acodec)
1661
VCODEC_TESTS=$(find_tests vsynth1)
1662
LAVF_TESTS=$(find_tests lavf)
1663
LAVFI_TESTS=$(find_tests lavfi)
1664
SEEK_TESTS=$(find_tests seek seek_)
1665

    
1666
pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1667

    
1668
for n in $COMPONENT_LIST; do
1669
    v=$(toupper ${n%s})_LIST
1670
    eval enable \$$v
1671
    eval ${n}_if_any="\$$v"
1672
done
1673

    
1674
enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1675

    
1676
die_unknown(){
1677
    echo "Unknown option \"$1\"."
1678
    echo "See $0 --help for available options."
1679
    exit 1
1680
}
1681

    
1682
show_list() {
1683
    suffix=_$1
1684
    shift
1685
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1686
    exit 0
1687
}
1688

    
1689
for opt do
1690
    optval="${opt#*=}"
1691
    case "$opt" in
1692
    --extra-ldflags=*) add_ldflags $optval
1693
    ;;
1694
    --extra-libs=*) add_extralibs $optval
1695
    ;;
1696
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1697
    ;;
1698
    --enable-debug=*) debuglevel="$optval"
1699
    ;;
1700
    --disable-everything)
1701
    map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1702
    ;;
1703
    --enable-*=*|--disable-*=*)
1704
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1705
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1706
    eval list=\$$(toupper $thing)_LIST
1707
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1708
    $action $(filter "$name" $list)
1709
    ;;
1710
    --enable-?*|--disable-?*)
1711
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1712
    if is_in $option $COMPONENT_LIST; then
1713
        test $action = disable && action=unset
1714
        eval $action \$$(toupper ${option%s})_LIST
1715
    elif is_in $option $CMDLINE_SELECT; then
1716
        $action $option
1717
    else
1718
        die_unknown $opt
1719
    fi
1720
    ;;
1721
    --list-*)
1722
        NAME="${opt#--list-}"
1723
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1724
        NAME=${NAME%s}
1725
        eval show_list $NAME \$$(toupper $NAME)_LIST
1726
    ;;
1727
    --help|-h) show_help
1728
    ;;
1729
    *)
1730
    optname="${opt%%=*}"
1731
    optname="${optname#--}"
1732
    optname=$(echo "$optname" | sed 's/-/_/g')
1733
    if is_in $optname $CMDLINE_SET; then
1734
        eval $optname='$optval'
1735
    elif is_in $optname $CMDLINE_APPEND; then
1736
        append $optname "$optval"
1737
    else
1738
         die_unknown $opt
1739
    fi
1740
    ;;
1741
    esac
1742
done
1743

    
1744
disabled logging && logfile=/dev/null
1745

    
1746
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1747
set >> $logfile
1748

    
1749
test -n "$cross_prefix" && enable cross_compile
1750

    
1751
if enabled cross_compile; then
1752
    test -n "$arch" && test -n "$target_os" ||
1753
        die "Must specify target arch and OS when cross-compiling"
1754
fi
1755

    
1756
set_default arch target_os
1757

    
1758
ar_default="${cross_prefix}${ar_default}"
1759
cc_default="${cross_prefix}${cc_default}"
1760
nm_default="${cross_prefix}${nm_default}"
1761
ranlib="${cross_prefix}${ranlib}"
1762
strip_default="${cross_prefix}${strip_default}"
1763

    
1764
sysinclude_default="${sysroot}/usr/include"
1765

    
1766
set_default cc nm strip sysinclude
1767
enabled cross_compile || host_cc_default=$cc
1768
set_default host_cc
1769

    
1770
exesuf() {
1771
    case $1 in
1772
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1773
    esac
1774
}
1775

    
1776
EXESUF=$(exesuf $target_os)
1777
HOSTEXESUF=$(exesuf $host_os)
1778

    
1779
# set temporary file name
1780
: ${TMPDIR:=$TEMPDIR}
1781
: ${TMPDIR:=$TMP}
1782
: ${TMPDIR:=/tmp}
1783

    
1784
if ! check_cmd type mktemp; then
1785
    # simple replacement for missing mktemp
1786
    # NOT SAFE FOR GENERAL USE
1787
    mktemp(){
1788
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1789
    }
1790
fi
1791

    
1792
tmpfile(){
1793
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1794
        (set -C; exec > $tmp) 2>/dev/null ||
1795
        die "Unable to create temporary file in $TMPDIR."
1796
    append TMPFILES $tmp
1797
    eval $1=$tmp
1798
}
1799

    
1800
trap 'rm -f -- $TMPFILES' EXIT
1801
trap exit HUP INT TERM
1802

    
1803
tmpfile TMPC  .c
1804
tmpfile TMPE  $EXESUF
1805
tmpfile TMPH  .h
1806
tmpfile TMPO  .o
1807
tmpfile TMPS  .S
1808
tmpfile TMPV  .ver
1809
tmpfile TMPSH .sh
1810
tmpfile TMPASM .asm
1811

    
1812
unset -f mktemp
1813

    
1814
# make sure we can execute files in $TMPDIR
1815
cat > $TMPSH 2>> $logfile <<EOF
1816
#! /bin/sh
1817
EOF
1818
chmod +x $TMPSH >> $logfile 2>&1
1819
if ! $TMPSH >> $logfile 2>&1; then
1820
    cat <<EOF
1821
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1822
variable to another directory and make sure that it is not mounted noexec.
1823
EOF
1824
    die "Sanity test failed."
1825
fi
1826

    
1827
filter_cflags=echo
1828
filter_cppflags=echo
1829
filter_asflags=echo
1830

    
1831
if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1832
    cc_type=llvm_gcc
1833
    cc_version=__VERSION__
1834
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1835
    cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1836
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1837
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1838
    speed_cflags='-O3'
1839
    size_cflags='-Os'
1840
elif $cc -v 2>&1 | grep -qi ^gcc; then
1841
    cc_type=gcc
1842
    cc_version=__VERSION__
1843
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1844
    cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1845
    if ! $cc -dumpversion | grep -q '^2\.'; then
1846
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1847
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1848
    fi
1849
    speed_cflags='-O3'
1850
    size_cflags='-Os'
1851
elif $cc --version 2>/dev/null | grep -q Intel; then
1852
    cc_type=icc
1853
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1854
    cc_ident=$($cc --version | head -n1)
1855
    icc_version=$($cc -dumpversion)
1856
    CC_DEPFLAGS='-MMD'
1857
    AS_DEPFLAGS='-MMD'
1858
    speed_cflags='-O3'
1859
    size_cflags='-Os'
1860
    noopt_cflags='-O1'
1861
elif $cc -v 2>&1 | grep -q xlc; then
1862
    cc_type=xlc
1863
    cc_version="AV_STRINGIFY(__IBMC__)"
1864
    cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1865
    speed_cflags='-O5'
1866
    size_cflags='-O5 -qcompact'
1867
elif $cc -V 2>/dev/null | grep -q Compaq; then
1868
    cc_type=ccc
1869
    cc_version="AV_STRINGIFY(__DECC_VER)"
1870
    cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1871
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1872
    debuglevel=3
1873
    add_ldflags -Wl,-z,now # calls to libots crash without this
1874
    speed_cflags='-fast'
1875
    size_cflags='-O1'
1876
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1877
    test -d "$sysroot" || die "No valid sysroot specified."
1878
    cc_type=armcc
1879
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1880
    cc_ident=$($cc --vsn | head -n1)
1881
    armcc_conf="$PWD/armcc.conf"
1882
    $cc --arm_linux_configure                 \
1883
        --arm_linux_config_file="$armcc_conf" \
1884
        --configure_sysroot="$sysroot"        \
1885
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1886
        die "Error creating armcc configuration file."
1887
    $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1888
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1889
    as_default="${cross_prefix}gcc"
1890
    CC_DEPFLAGS='-MMD'
1891
    AS_DEPFLAGS='-MMD'
1892
    speed_cflags='-O3'
1893
    size_cflags='-Os'
1894
elif $cc -version 2>/dev/null | grep -q TMS470; then
1895
    cc_type=tms470
1896
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1897
    cc_ident=$($cc -version | head -n1 | tr -s ' ')
1898
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1899
    CC_O='-fr=$(@D)'
1900
    as_default="${cross_prefix}gcc"
1901
    ld_default="${cross_prefix}gcc"
1902
    TMPO=$(basename $TMPC .c).o
1903
    append TMPFILES $TMPO
1904
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1905
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1906
    AS_DEPFLAGS='-MMD'
1907
    speed_cflags='-O3 -mf=5'
1908
    size_cflags='-O3 -mf=2'
1909
    filter_cflags=tms470_flags
1910
    tms470_flags(){
1911
        for flag; do
1912
            case $flag in
1913
                -march=*|-mcpu=*)
1914
                    case "${flag#*=}" in
1915
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1916
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1917
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1918
                        armv6*|arm11*)          echo -mv=6   ;;
1919
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1920
                                                echo -mv=5e  ;;
1921
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1922
                    esac
1923
                    ;;
1924
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1925
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1926
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1927
                -msoft-float)   echo --float_support=vfplib       ;;
1928
                -O[0-3]|-mf=*)  echo $flag                        ;;
1929
                -g)             echo -g -mn                       ;;
1930
                -pds=*)         echo $flag                        ;;
1931
            esac
1932
        done
1933
    }
1934
elif $cc -v 2>&1 | grep -q clang; then
1935
    cc_type=clang
1936
    $cc -dM -E $TMPC | grep -q __clang_version__ &&
1937
        cc_version=__clang_version__ || cc_version=__VERSION__
1938
    cc_ident=$($cc --version | head -n1)
1939
    CC_DEPFLAGS='-MMD'
1940
    AS_DEPFLAGS='-MMD'
1941
    speed_cflags='-O3'
1942
    size_cflags='-Os'
1943
elif $cc -V 2>&1 | grep -q Sun; then
1944
    cc_type=suncc
1945
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1946
    cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1947
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1948
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1949
    speed_cflags='-O5'
1950
    size_cflags='-O5 -xspace'
1951
    filter_cflags=suncc_flags
1952
    suncc_flags(){
1953
        for flag; do
1954
            case $flag in
1955
                -march=*|-mcpu=*)
1956
                    case "${flag#*=}" in
1957
                        native)                   echo -xtarget=native       ;;
1958
                        v9|niagara)               echo -xarch=sparc          ;;
1959
                        ultrasparc)               echo -xarch=sparcvis       ;;
1960
                        ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
1961
                        i586|pentium)             echo -xchip=pentium        ;;
1962
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1963
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1964
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1965
                        pentium4*)          echo -xtarget=pentium4           ;;
1966
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1967
                        *-sse3)             echo -xarch=sse3                 ;;
1968
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1969
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1970
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1971
                        k8|opteron|athlon64|athlon-fx)
1972
                                                  echo -xarch=sse2a          ;;
1973
                        athlon*)                  echo -xarch=pentium_proa   ;;
1974
                    esac
1975
                    ;;
1976
                -std=c99)             echo -xc99              ;;
1977
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1978
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1979
                -W*,*)                echo $flag              ;;
1980
                -f*-*|-W*)                                    ;;
1981
                *)                    echo $flag              ;;
1982
            esac
1983
        done
1984
    }
1985
elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
1986
    cc_type=pathscale
1987
    cc_version=__PATHSCALE__
1988
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1989
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1990
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1991
    speed_cflags='-O2'
1992
    size_cflags='-Os'
1993
elif $cc -v 2>&1 | grep -q Open64; then
1994
    cc_type=open64
1995
    cc_version=__OPEN64__
1996
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1997
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1998
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1999
    speed_cflags='-O2'
2000
    size_cflags='-Os'
2001
fi
2002

    
2003
test -n "$cc_type" && enable $cc_type ||
2004
    warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2005

    
2006
: ${as_default:=$cc}
2007
: ${dep_cc_default:=$cc}
2008
: ${ld_default:=$cc}
2009
set_default ar as dep_cc ld
2010

    
2011
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2012
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2013

    
2014
add_cflags $extra_cflags
2015
add_asflags $extra_cflags
2016

    
2017
if test -n "$sysroot"; then
2018
    case "$cc_type" in
2019
        gcc|llvm_gcc)
2020
            add_cppflags --sysroot="$sysroot"
2021
            add_ldflags --sysroot="$sysroot"
2022
        ;;
2023
        tms470)
2024
            add_cppflags -I"$sysinclude"
2025
            add_ldflags  --sysroot="$sysroot"
2026
        ;;
2027
        clang)
2028
            add_cppflags -isysroot "$sysroot"
2029
            add_ldflags -isysroot "$sysroot"
2030
        ;;
2031
    esac
2032
fi
2033

    
2034
if test "$cpu" = host; then
2035
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2036

    
2037
    case "$cc_type" in
2038
        gcc|llvm_gcc)
2039
            check_native(){
2040
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2041
                sed -n "/$1=/{
2042
                            s/.*$1=\\([^ ]*\\).*/\\1/
2043
                            p
2044
                            q
2045
                        }" $TMPE
2046
            }
2047
            cpu=$(check_native -march || check_native -mcpu)
2048
        ;;
2049
    esac
2050

    
2051
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2052
fi
2053

    
2054
# Deal with common $arch aliases
2055
case "$arch" in
2056
    arm*)
2057
        arch="arm"
2058
    ;;
2059
    mips|mipsel|IP*)
2060
        arch="mips"
2061
    ;;
2062
    mips64*)
2063
        arch="mips"
2064
        subarch="mips64"
2065
    ;;
2066
    parisc|hppa)
2067
        arch="parisc"
2068
    ;;
2069
    parisc64|hppa64)
2070
        arch="parisc"
2071
        subarch="parisc64"
2072
    ;;
2073
    "Power Macintosh"|ppc|powerpc)
2074
        arch="ppc"
2075
    ;;
2076
    ppc64|powerpc64)
2077
        arch="ppc"
2078
        subarch="ppc64"
2079
    ;;
2080
    s390|s390x)
2081
        arch="s390"
2082
    ;;
2083
    sh4|sh)
2084
        arch="sh4"
2085
    ;;
2086
    sun4u|sparc64)
2087
        arch="sparc"
2088
        subarch="sparc64"
2089
    ;;
2090
    i[3-6]86|i86pc|BePC|x86_64|amd64)
2091
        arch="x86"
2092
    ;;
2093
esac
2094

    
2095
is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2096
enable $arch
2097

    
2098
# Add processor-specific flags
2099
if test "$cpu" = generic; then
2100
    : do nothing
2101
elif enabled ppc; then
2102

    
2103
    case $(tolower $cpu) in
2104
        601|ppc601|powerpc601)
2105
            cpuflags="-mcpu=601"
2106
            disable altivec
2107
        ;;
2108
        603*|ppc603*|powerpc603*)
2109
            cpuflags="-mcpu=603"
2110
            disable altivec
2111
        ;;
2112
        604*|ppc604*|powerpc604*)
2113
            cpuflags="-mcpu=604"
2114
            disable altivec
2115
        ;;
2116
        g3|75*|ppc75*|powerpc75*)
2117
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2118
            disable altivec
2119
        ;;
2120
        g4|745*|ppc745*|powerpc745*)
2121
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2122
        ;;
2123
        74*|ppc74*|powerpc74*)
2124
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2125
        ;;
2126
        g5|970|ppc970|powerpc970|power4*)
2127
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2128
        ;;
2129
        cell)
2130
            cpuflags="-mcpu=cell"
2131
            enable ldbrx
2132
        ;;
2133
        e500v2)
2134
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2135
            disable altivec
2136
        ;;
2137
        e500)
2138
            cpuflags="-mcpu=8540 -mhard-float"
2139
            disable altivec
2140
        ;;
2141
    esac
2142

    
2143
elif enabled x86; then
2144

    
2145
    case $cpu in
2146
        i[345]86|pentium)
2147
            cpuflags="-march=$cpu"
2148
            disable mmx
2149
        ;;
2150
        # targets that do NOT support conditional mov (cmov)
2151
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2152
            cpuflags="-march=$cpu"
2153
            disable cmov
2154
        ;;
2155
        # targets that do support conditional mov (cmov)
2156
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2157
            cpuflags="-march=$cpu"
2158
            enable cmov
2159
            enable fast_cmov
2160
        ;;
2161
        # targets that do support conditional mov but on which it's slow
2162
        pentium4|pentium4m|prescott|nocona)
2163
            cpuflags="-march=$cpu"
2164
            enable cmov
2165
            disable fast_cmov
2166
        ;;
2167
    esac
2168

    
2169
elif enabled sparc; then
2170

    
2171
    case $cpu in
2172
        niagara)
2173
            cpuflags="-mcpu=$cpu"
2174
            disable vis
2175
        ;;
2176
        sparc64)
2177
            cpuflags="-mcpu=v9"
2178
        ;;
2179
    esac
2180

    
2181
elif enabled arm; then
2182

    
2183
    case $cpu in
2184
        armv*)
2185
            cpuflags="-march=$cpu"
2186
            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2187
        ;;
2188
        *)
2189
            cpuflags="-mcpu=$cpu"
2190
            case $cpu in
2191
                cortex-a*)                               subarch=armv7a  ;;
2192
                cortex-r*)                               subarch=armv7r  ;;
2193
                cortex-m*)                               subarch=armv7m  ;;
2194
                arm11*)                                  subarch=armv6   ;;
2195
                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2196
                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2197
            esac
2198
        ;;
2199
    esac
2200

    
2201
elif enabled alpha; then
2202

    
2203
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2204

    
2205
elif enabled bfin; then
2206

    
2207
    cpuflags="-mcpu=$cpu"
2208

    
2209
elif enabled mips; then
2210

    
2211
    cpuflags="-march=$cpu"
2212

    
2213
elif enabled avr32; then
2214

    
2215
    case $cpu in
2216
        ap7[02]0[0-2])
2217
            subarch="avr32_ap"
2218
            cpuflags="-mpart=$cpu"
2219
        ;;
2220
        ap)
2221
            subarch="avr32_ap"
2222
            cpuflags="-march=$cpu"
2223
        ;;
2224
        uc3[ab]*)
2225
            subarch="avr32_uc"
2226
            cpuflags="-mcpu=$cpu"
2227
        ;;
2228
        uc)
2229
            subarch="avr32_uc"
2230
            cpuflags="-march=$cpu"
2231
        ;;
2232
    esac
2233

    
2234
fi
2235

    
2236
add_cflags $cpuflags
2237
add_asflags $cpuflags
2238

    
2239
# compiler sanity check
2240
check_exec <<EOF
2241
int main(void){ return 0; }
2242
EOF
2243
if test "$?" != 0; then
2244
    echo "$cc is unable to create an executable file."
2245
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2246
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2247
        echo "Only do this if you know what cross compiling means."
2248
    fi
2249
    die "C compiler test failed."
2250
fi
2251

    
2252
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2253
check_cflags -std=c99
2254
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2255
#include <stdlib.h>
2256
EOF
2257
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2258
#include <stdlib.h>
2259
EOF
2260

    
2261
check_host_cflags -std=c99
2262

    
2263
case "$arch" in
2264
    alpha|ia64|mips|parisc|sparc)
2265
        spic=$shared
2266
    ;;
2267
    x86)
2268
        subarch="x86_32"
2269
        check_cc <<EOF && subarch="x86_64"
2270
        int test[(int)sizeof(char*) - 7];
2271
EOF
2272
        if test "$subarch" = "x86_64"; then
2273
            spic=$shared
2274
        fi
2275
    ;;
2276
esac
2277

    
2278
enable $subarch
2279
enabled spic && enable pic
2280

    
2281
# OS specific
2282
case $target_os in
2283
    haiku)
2284
        prefix_default="/boot/common"
2285
        network_extralibs="-lnetwork"
2286
        ;;
2287
    sunos)
2288
        FFSERVERLDFLAGS=""
2289
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2290
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2291
        network_extralibs="-lsocket -lnsl"
2292
        add_cppflags -D__EXTENSIONS__
2293
        nm_opts='-P -g'
2294
        ;;
2295
    netbsd)
2296
        oss_indev_extralibs="-lossaudio"
2297
        oss_outdev_extralibs="-lossaudio"
2298
        add_cppflags -D_XOPEN_SOURCE=600
2299
        ;;
2300
    openbsd)
2301
        enable malloc_aligned
2302
        # On OpenBSD 4.5. the compiler does not use PIC unless
2303
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2304
        # however the generated executable will not do anything
2305
        # (simply quits with exit-code 1, no crash, no output).
2306
        # Thus explicitly enable PIC here.
2307
        enable pic
2308
        SHFLAGS='-shared'
2309
        oss_indev_extralibs="-lossaudio"
2310
        oss_outdev_extralibs="-lossaudio"
2311
        ;;
2312
    freebsd|dragonfly)
2313
        enable malloc_aligned
2314
        ;;
2315
    bsd/os)
2316
        add_extralibs -lpoll -lgnugetopt
2317
        strip="strip -d"
2318
        ;;
2319
    darwin)
2320
        enable malloc_aligned
2321
        gas="gas-preprocessor.pl $cc"
2322
        enabled ppc && add_asflags -force_cpusubtype_ALL
2323
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2324
        strip="${strip} -x"
2325
        add_ldflags -Wl,-dynamic,-search_paths_first
2326
        SLIBSUF=".dylib"
2327
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2328
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2329
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2330
        objformat="macho"
2331
        enabled x86_64 && objformat="macho64"
2332
        enabled_any pic shared ||
2333
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2334
        ;;
2335
    mingw32*)
2336
        if test $target_os = "mingw32ce"; then
2337
            disable network
2338
        else
2339
            target_os=mingw32
2340
        fi
2341
        LIBTARGET=i386
2342
        if enabled x86_64; then
2343
            enable malloc_aligned
2344
            LIBTARGET=x64
2345
        elif enabled arm; then
2346
            LIBTARGET=arm
2347
        fi
2348
        shlibdir_default="$bindir_default"
2349
        disable ffserver
2350
        SLIBPREF=""
2351
        SLIBSUF=".dll"
2352
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2353
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2354
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2355
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2356
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2357
            install -d "$(LIBDIR)"; \
2358
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2359
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2360
        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'
2361
        objformat="win32"
2362
        enable dos_paths
2363
        check_cflags -fno-common
2364
        check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2365
                                      || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2366
                die "ERROR: MinGW runtime version must be >= 3.15."
2367
        ;;
2368
    cygwin*)
2369
        target_os=cygwin
2370
        shlibdir_default="$bindir_default"
2371
        SLIBPREF="cyg"
2372
        SLIBSUF=".dll"
2373
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2374
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2375
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2376
        objformat="win32"
2377
        enable dos_paths
2378
        check_cflags -fno-common
2379
        ;;
2380
    *-dos|freedos|opendos)
2381
        disable ffplay ffserver
2382
        disable $INDEV_LIST $OUTDEV_LIST
2383
        network_extralibs="-lsocket"
2384
        objformat="coff"
2385
        enable dos_paths
2386
        ;;
2387
    linux)
2388
        enable dv1394
2389
        ;;
2390
    irix*)
2391
        target_os=irix
2392
        ranlib="echo ignoring ranlib"
2393
        ;;
2394
    os/2*)
2395
        strip="lxlite"
2396
        ln_s="cp -f"
2397
        add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2398
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2399
        FFSERVERLDFLAGS=""
2400
        LIBSUF="_s.a"
2401
        SLIBPREF=""
2402
        SLIBSUF=".dll"
2403
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2404
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2405
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2406
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2407
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2408
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2409
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2410
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2411
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2412
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2413
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2414
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2415
        enable dos_paths
2416
        ;;
2417
    gnu/kfreebsd)
2418
        ;;
2419
    gnu)
2420
        ;;
2421
    none)
2422
        ;;
2423
    *)
2424
        die "Unknown OS '$target_os'."
2425
        ;;
2426
esac
2427

    
2428
echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2429

    
2430
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2431

    
2432
set_default $PATHS_LIST
2433

    
2434
# we need to build at least one lib type
2435
if ! enabled_any static shared; then
2436
    cat <<EOF
2437
At least one library type must be built.
2438
Specify --enable-static to build the static libraries or --enable-shared to
2439
build the shared libraries as well. To only build the shared libraries specify
2440
--disable-static in addition to --enable-shared.
2441
EOF
2442
    exit 1;
2443
fi
2444

    
2445
disabled static && LIBNAME=""
2446

    
2447
die_license_disabled() {
2448
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2449
}
2450

    
2451
die_license_disabled gpl libx264
2452
die_license_disabled gpl libxavs
2453
die_license_disabled gpl libxvid
2454
die_license_disabled gpl postproc
2455
die_license_disabled gpl x11grab
2456

    
2457
die_license_disabled nonfree libfaac
2458

    
2459
die_license_disabled version3 libopencore_amrnb
2460
die_license_disabled version3 libopencore_amrwb
2461

    
2462
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2463

    
2464
check_deps $ARCH_EXT_LIST
2465

    
2466
disabled optimizations || check_cflags -fomit-frame-pointer
2467

    
2468
enable_pic() {
2469
    enable pic
2470
    add_cppflags -DPIC
2471
    add_cflags   -fPIC
2472
    add_asflags  -fPIC
2473
}
2474

    
2475
enabled pic && enable_pic
2476

    
2477
check_cc <<EOF || die "Symbol mangling check failed."
2478
int ff_extern;
2479
EOF
2480
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2481
extern_prefix=${sym%%ff_extern*}
2482

    
2483
check_cc <<EOF && enable inline_asm
2484
void foo(void) { __asm__ volatile ("" ::); }
2485
EOF
2486

    
2487
_restrict=
2488
for restrict_keyword in restrict __restrict__ __restrict; do
2489
    check_cc <<EOF && _restrict=$restrict_keyword && break
2490
void foo(char * $restrict_keyword p);
2491
EOF
2492
done
2493

    
2494
check_cc <<EOF && enable attribute_packed
2495
struct { int x; } __attribute__((packed)) x;
2496
EOF
2497

    
2498
check_cc <<EOF && enable attribute_may_alias
2499
union { int x; } __attribute__((may_alias)) x;
2500
EOF
2501

    
2502
check_cc <<EOF || die "endian test failed"
2503
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2504
EOF
2505
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2506

    
2507
if enabled alpha; then
2508

    
2509
    check_cflags -mieee
2510

    
2511
elif enabled arm; then
2512

    
2513
    check_cflags -marm
2514
    nogas=die
2515

    
2516
    check_ld <<EOF && enable vfp_args
2517
__asm__ (".eabi_attribute 28, 1");
2518
int main(void) { return 0; }
2519
EOF
2520

    
2521
    # We have to check if pld is a nop and disable it.
2522
    check_asm pld '"pld [r0]"'
2523

    
2524
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2525
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2526
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2527
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2528
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2529
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2530

    
2531
    enabled_all armv6t2 shared !pic && enable_pic
2532

    
2533
elif enabled mips; then
2534

    
2535
    check_asm loongson '"dmult.g $1, $2, $3"'
2536
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2537

    
2538
elif enabled ppc; then
2539

    
2540
    enable local_aligned_8 local_aligned_16
2541

    
2542
    check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2543
    check_asm ibm_asm   '"add 0, 0, 0"'
2544
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2545
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2546

    
2547
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2548
    if enabled altivec; then
2549
        nogas=warn
2550
        check_cflags -maltivec -mabi=altivec &&
2551
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2552
        check_cflags -faltivec
2553

    
2554
        # check if our compiler supports Motorola AltiVec C API
2555
        check_cc <<EOF || disable altivec
2556
$inc_altivec_h
2557
int main(void) {
2558
    vector signed int v1, v2, v3;
2559
    v1 = vec_add(v2,v3);
2560
    return 0;
2561
}
2562
EOF
2563

    
2564
        # check if our compiler supports braces for vector declarations
2565
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2566
$inc_altivec_h
2567
int main (void) { (vector int) {1}; return 0; }
2568
EOF
2569
    fi
2570

    
2571
elif enabled sparc; then
2572

    
2573
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2574
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2575

    
2576
elif enabled x86; then
2577

    
2578
    enable local_aligned_8 local_aligned_16
2579

    
2580
    # check whether EBP is available on x86
2581
    # As 'i' is stored on the stack, this program will crash
2582
    # if the base pointer is used to access it because the
2583
    # base pointer is cleared in the inline assembly code.
2584
    check_exec_crash <<EOF && enable ebp_available
2585
    volatile int i=0;
2586
    __asm__ volatile (
2587
        "xorl %%ebp, %%ebp"
2588
    ::: "%ebp");
2589
    return i;
2590
EOF
2591

    
2592
    # check whether EBX is available on x86
2593
    check_asm ebx_available '""::"b"(0)' &&
2594
        check_asm ebx_available '"":::"%ebx"'
2595

    
2596
    # check whether xmm clobbers are supported
2597
    check_asm xmm_clobbers '"":::"%xmm0"'
2598

    
2599
    # check whether more than 10 operands are supported
2600
    check_cc <<EOF && enable ten_operands
2601
int main(void) {
2602
    int x=0;
2603
    __asm__ volatile(
2604
        ""
2605
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2606
    );
2607
    return 0;
2608
}
2609
EOF
2610

    
2611
    # check whether binutils is new enough to compile SSSE3/MMX2
2612
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2613
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2614

    
2615
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2616

    
2617
    if ! disabled_any asm mmx yasm; then
2618
        if check_cmd $yasmexe --version; then
2619
            enabled x86_64 && yasm_extra="-m amd64"
2620
            yasm_debug="-g dwarf2"
2621
        elif check_cmd nasm -v; then
2622
            yasmexe=nasm
2623
            yasm_debug="-g -F dwarf"
2624
            enabled x86_64 && test "$objformat" = elf && objformat=elf64
2625
        fi
2626

    
2627
        YASMFLAGS="-f $objformat $yasm_extra"
2628
        enabled pic               && append YASMFLAGS "-DPIC"
2629
        test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2630
        case "$objformat" in
2631
            elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2632
        esac
2633

    
2634
        check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2635
            die "yasm not found, use --disable-yasm for a crippled build"
2636
    fi
2637

    
2638
    case "$cpu" in
2639
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2640
            disable fast_clz
2641
        ;;
2642
    esac
2643

    
2644
fi
2645

    
2646
if enabled asm; then
2647
    as=${gas:=$as}
2648
    check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2649
        $nogas "GNU assembler not found, install gas-preprocessor"
2650
fi
2651

    
2652
if check_func dlopen; then
2653
    ldl=
2654
elif check_func dlopen -ldl; then
2655
    ldl=-ldl
2656
fi
2657

    
2658
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2659
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2660

    
2661
check_func  fcntl
2662
check_func  fork
2663
check_func  getaddrinfo $network_extralibs
2664
check_func  gethrtime
2665
check_func  getrusage
2666
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2667
check_func  inet_aton $network_extralibs
2668
check_func  isatty
2669
check_func  ${malloc_prefix}memalign            && enable memalign
2670
check_func  mkstemp
2671
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2672
check_func  setrlimit
2673
check_func  strerror_r
2674
check_func  strtok_r
2675
check_func_headers io.h setmode
2676
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2677
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2678
check_func_headers windows.h GetProcessTimes
2679
check_func_headers windows.h VirtualAlloc
2680

    
2681
check_header conio.h
2682
check_header dlfcn.h
2683
check_header dxva2api.h
2684
check_header malloc.h
2685
check_header poll.h
2686
check_header sys/mman.h
2687
check_header sys/resource.h
2688
check_header sys/select.h
2689
check_header termios.h
2690
check_header vdpau/vdpau.h
2691
check_header vdpau/vdpau_x11.h
2692
check_header X11/extensions/XvMClib.h
2693

    
2694
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2695

    
2696
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2697
     enabled_any $need_memalign ; then
2698
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2699
fi
2700

    
2701
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2702
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2703

    
2704
# check for some common methods of building with pthread support
2705
# do this before the optional library checks as some of them require pthreads
2706
if ! disabled pthreads && ! enabled w32threads; then
2707
    enable pthreads
2708
    if check_func pthread_create; then
2709
        :
2710
    elif check_func pthread_create -pthread; then
2711
        add_cflags -pthread
2712
        add_extralibs -pthread
2713
    elif check_func pthread_create -pthreads; then
2714
        add_cflags -pthreads
2715
        add_extralibs -pthreads
2716
    elif check_func pthread_create -lpthreadGC2; then
2717
        add_extralibs -lpthreadGC2
2718
    elif ! check_lib pthread.h pthread_create -lpthread; then
2719
        disable pthreads
2720
    fi
2721
fi
2722

    
2723
for thread in $THREADS_LIST; do
2724
    if enabled $thread; then
2725
        test -n "$thread_type" &&
2726
            die "ERROR: Only one thread type must be selected." ||
2727
            thread_type="$thread"
2728
    fi
2729
done
2730

    
2731
check_lib math.h sin -lm
2732
disabled vaapi || check_lib va/va.h vaInitialize -lva
2733

    
2734
check_mathfunc exp2
2735
check_mathfunc exp2f
2736
check_mathfunc llrint
2737
check_mathfunc llrintf
2738
check_mathfunc log2
2739
check_mathfunc log2f
2740
check_mathfunc lrint
2741
check_mathfunc lrintf
2742
check_mathfunc round
2743
check_mathfunc roundf
2744
check_mathfunc truncf
2745

    
2746
# these are off by default, so fail if requested and not available
2747
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2748
enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2749
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2750
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2751
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2752
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2753
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2754
enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2755
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2756
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2757
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2758
enabled libopencv  && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2759
                        die "ERROR: libopencv not found"; }
2760
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2761
enabled librtmp    && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2762
                        die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2763
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2764
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2765
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2766
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2767
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2768
enabled libvpx     && {
2769
    enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2770
                                die "ERROR: libvpx decoder version must be >=0.9.1"; }
2771
    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2772
                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2773
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2774
                      { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2775
                        die "ERROR: libx264 version must be >= 0.99."; }
2776
enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2777
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2778
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2779

    
2780
# libdc1394 check
2781
if enabled libdc1394; then
2782
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2783
        enable libdc1394_2; } ||
2784
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2785
        enable libdc1394_1; } ||
2786
    die "ERROR: No version of libdc1394 found "
2787
fi
2788

    
2789
SDL_CONFIG="${cross_prefix}sdl-config"
2790
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2791
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2792
    sdl_libs=$("${SDL_CONFIG}" --libs)
2793
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2794
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2795
    enable sdl &&
2796
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2797
fi
2798

    
2799
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2800

    
2801
if enabled network; then
2802
    check_type "sys/types.h sys/socket.h" socklen_t
2803
    check_type netdb.h "struct addrinfo"
2804
    check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2805
    check_type netinet/in.h "struct sockaddr_in6"
2806
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2807
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2808
    # Prefer arpa/inet.h over winsock2
2809
    if check_header arpa/inet.h ; then
2810
        check_func closesocket
2811
    elif check_header winsock2.h ; then
2812
        check_func_headers winsock2.h closesocket -lws2 && \
2813
            network_extralibs="-lws2" || \
2814
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2815
            network_extralibs="-lws2_32"; }
2816
        check_type ws2tcpip.h socklen_t
2817
        check_type ws2tcpip.h "struct addrinfo"
2818
        check_type ws2tcpip.h "struct ipv6_mreq"
2819
        check_type ws2tcpip.h "struct sockaddr_in6"
2820
        check_type ws2tcpip.h "struct sockaddr_storage"
2821
        check_struct winsock2.h "struct sockaddr" sa_len
2822
    else
2823
        disable network
2824
    fi
2825
fi
2826

    
2827
check_header linux/videodev.h
2828
check_header linux/videodev2.h
2829
check_header sys/videoio.h
2830

    
2831
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2832
# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2833
# w32api 3.12 had it defined wrong
2834
check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2835

    
2836
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2837
{ check_header dev/bktr/ioctl_meteor.h &&
2838
  check_header dev/bktr/ioctl_bt848.h; } ||
2839
{ check_header machine/ioctl_meteor.h &&
2840
  check_header machine/ioctl_bt848.h; } ||
2841
{ check_header dev/video/meteor/ioctl_meteor.h &&
2842
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2843
check_header dev/ic/bt8xx.h
2844

    
2845
check_header sys/soundcard.h
2846
check_header soundcard.h
2847

    
2848
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2849

    
2850
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2851

    
2852
enabled x11grab                         &&
2853
check_header X11/Xlib.h                 &&
2854
check_header X11/extensions/XShm.h      &&
2855
check_header X11/extensions/Xfixes.h    &&
2856
check_func XOpenDisplay -lX11           &&
2857
check_func XShmCreateImage -lX11 -lXext &&
2858
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2859

    
2860
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2861
check_cpp_condition \
2862
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2863
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2864
      disable vdpau; }
2865
fi
2866

    
2867
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2868

    
2869
# add some useful compiler flags if supported
2870
check_cflags -Wdeclaration-after-statement
2871
check_cflags -Wall
2872
check_cflags -Wno-parentheses
2873
check_cflags -Wno-switch
2874
check_cflags -Wdisabled-optimization
2875
check_cflags -Wpointer-arith
2876
check_cflags -Wredundant-decls
2877
check_cflags -Wno-pointer-sign
2878
check_cflags -Wcast-qual
2879
check_cflags -Wwrite-strings
2880
check_cflags -Wtype-limits
2881
check_cflags -Wundef
2882
check_cflags -Wmissing-prototypes
2883
enabled extra_warnings && check_cflags -Winline
2884

    
2885
# add some linker flags
2886
check_ldflags -Wl,--warn-common
2887
check_ldflags -Wl,--as-needed
2888
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'
2889
check_ldflags -Wl,-Bsymbolic
2890

    
2891
echo "X{};" > $TMPV
2892
if test_ldflags -Wl,--version-script,$TMPV; then
2893
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2894
    check_cc <<EOF && enable symver_asm_label
2895
void ff_foo(void) __asm__ ("av_foo@VERSION");
2896
void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2897
EOF
2898
    check_cc <<EOF && enable symver_gnu_asm
2899
__asm__(".symver ff_foo,av_foo@VERSION");
2900
void ff_foo(void) {}
2901
EOF
2902
fi
2903

    
2904
if enabled small; then
2905
    add_cflags $size_cflags
2906
    optimizations="small"
2907
elif enabled optimizations; then
2908
    add_cflags $speed_cflags
2909
else
2910
    add_cflags $noopt_cflags
2911
fi
2912
check_cflags -fno-math-errno
2913
check_cflags -fno-signed-zeros
2914

    
2915
if enabled icc; then
2916
    # Just warnings, no remarks
2917
    check_cflags -w1
2918
    # -wd: Disable following warnings
2919
    # 144, 167, 556: -Wno-pointer-sign
2920
    # 10006: ignoring unknown option -fno-signed-zeros
2921
    # 10156: ignoring option '-W'; no argument required
2922
    check_cflags -wd144,167,556,10006,10156
2923
    # 11030: Warning unknown option --as-needed
2924
    # 10156: ignoring option '-export'; no argument required
2925
    check_ldflags -wd10156,11030
2926
    # Allow to compile with optimizations
2927
    check_ldflags -march=$cpu
2928
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2929
    enable ebp_available
2930
    if enabled x86_32; then
2931
        test ${icc_version%%.*} -ge 11 && \
2932
            check_cflags -falign-stack=maintain-16-byte || \
2933
            disable aligned_stack
2934
    fi
2935
elif enabled ccc; then
2936
    # disable some annoying warnings
2937
    add_cflags -msg_disable cvtu32to64
2938
    add_cflags -msg_disable embedcomment
2939
    add_cflags -msg_disable needconstext
2940
    add_cflags -msg_disable nomainieee
2941
    add_cflags -msg_disable ptrmismatch1
2942
    add_cflags -msg_disable unreachcode
2943
elif enabled gcc; then
2944
    check_cflags -fno-tree-vectorize
2945
    check_cflags -Werror=implicit-function-declaration
2946
    check_cflags -Werror=missing-prototypes
2947
elif enabled llvm_gcc; then
2948
    check_cflags -mllvm -stack-alignment=16
2949
elif enabled clang; then
2950
    check_cflags -mllvm -stack-alignment=16
2951
    check_cflags -Qunused-arguments
2952
elif enabled armcc; then
2953
    # 2523: use of inline assembler is deprecated
2954
    add_cflags -W${armcc_opt},--diag_suppress=2523
2955
    add_cflags -W${armcc_opt},--diag_suppress=1207
2956
elif enabled tms470; then
2957
    add_cflags -pds=824 -pds=837
2958
fi
2959

    
2960
enabled_any $THREADS_LIST      && enable threads
2961

    
2962
check_deps $CONFIG_LIST       \
2963
           $CONFIG_EXTRA      \
2964
           $HAVE_LIST         \
2965
           $DECODER_LIST      \
2966
           $ENCODER_LIST      \
2967
           $HWACCEL_LIST      \
2968
           $PARSER_LIST       \
2969
           $BSF_LIST          \
2970
           $DEMUXER_LIST      \
2971
           $MUXER_LIST        \
2972
           $FILTER_LIST       \
2973
           $INDEV_LIST        \
2974
           $OUTDEV_LIST       \
2975
           $PROTOCOL_LIST     \
2976
           $ACODEC_TESTS      \
2977
           $VCODEC_TESTS      \
2978
           $LAVF_TESTS        \
2979
           $LAVFI_TESTS       \
2980
           $SEEK_TESTS        \
2981

    
2982
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2983

    
2984
echo "install prefix            $prefix"
2985
echo "source path               $source_path"
2986
echo "C compiler                $cc"
2987
echo "ARCH                      $arch ($cpu)"
2988
if test "$build_suffix" != ""; then
2989
    echo "build suffix              $build_suffix"
2990
fi
2991
if test "$extra_version" != ""; then
2992
    echo "version string suffix     $extra_version"
2993
fi
2994
echo "big-endian                ${bigendian-no}"
2995
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2996
if enabled x86; then
2997
    echo "yasm                      ${yasm-no}"
2998
    echo "MMX enabled               ${mmx-no}"
2999
    echo "MMX2 enabled              ${mmx2-no}"
3000
    echo "3DNow! enabled            ${amd3dnow-no}"
3001
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
3002
    echo "SSE enabled               ${sse-no}"
3003
    echo "SSSE3 enabled             ${ssse3-no}"
3004
    echo "CMOV enabled              ${cmov-no}"
3005
    echo "CMOV is fast              ${fast_cmov-no}"
3006
    echo "EBX available             ${ebx_available-no}"
3007
    echo "EBP available             ${ebp_available-no}"
3008
    echo "10 operands supported     ${ten_operands-no}"
3009
fi
3010
if enabled arm; then
3011
    echo "ARMv5TE enabled           ${armv5te-no}"
3012
    echo "ARMv6 enabled             ${armv6-no}"
3013
    echo "ARMv6T2 enabled           ${armv6t2-no}"
3014
    echo "ARM VFP enabled           ${armvfp-no}"
3015
    echo "IWMMXT enabled            ${iwmmxt-no}"
3016
    echo "NEON enabled              ${neon-no}"
3017
fi
3018
if enabled mips; then
3019
    echo "MMI enabled               ${mmi-no}"
3020
fi
3021
if enabled ppc; then
3022
    echo "AltiVec enabled           ${altivec-no}"
3023
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
3024
    echo "dcbzl available           ${dcbzl-no}"
3025
fi
3026
if enabled sparc; then
3027
    echo "VIS enabled               ${vis-no}"
3028
fi
3029
echo "debug symbols             ${debug-no}"
3030
echo "strip symbols             ${stripping-no}"
3031
echo "optimizations             ${optimizations-no}"
3032
echo "static                    ${static-no}"
3033
echo "shared                    ${shared-no}"
3034
echo "postprocessing support    ${postproc-no}"
3035
echo "new filter support        ${avfilter-no}"
3036
echo "network support           ${network-no}"
3037
echo "threading support         ${thread_type-no}"
3038
echo "SDL support               ${sdl-no}"
3039
echo "Sun medialib support      ${mlib-no}"
3040
echo "AVISynth enabled          ${avisynth-no}"
3041
echo "frei0r enabled            ${frei0r-no}"
3042
echo "libdc1394 support         ${libdc1394-no}"
3043
echo "libdirac enabled          ${libdirac-no}"
3044
echo "libfaac enabled           ${libfaac-no}"
3045
echo "libgsm enabled            ${libgsm-no}"
3046
echo "libmp3lame enabled        ${libmp3lame-no}"
3047
echo "libnut enabled            ${libnut-no}"
3048
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3049
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3050
echo "libopencv support         ${libopencv-no}"
3051
echo "libopenjpeg enabled       ${libopenjpeg-no}"
3052
echo "librtmp enabled           ${librtmp-no}"
3053
echo "libschroedinger enabled   ${libschroedinger-no}"
3054
echo "libspeex enabled          ${libspeex-no}"
3055
echo "libtheora enabled         ${libtheora-no}"
3056
echo "libvorbis enabled         ${libvorbis-no}"
3057
echo "libvpx enabled            ${libvpx-no}"
3058
echo "libx264 enabled           ${libx264-no}"
3059
echo "libxavs enabled           ${libxavs-no}"
3060
echo "libxvid enabled           ${libxvid-no}"
3061
echo "zlib enabled              ${zlib-no}"
3062
echo "bzlib enabled             ${bzlib-no}"
3063
echo
3064

    
3065
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3066
    echo "Enabled ${type}s:"
3067
    eval list=\$$(toupper $type)_LIST
3068
    print_enabled '_*' $list | sort | pr -3 -t
3069
    echo
3070
done
3071

    
3072
license="LGPL version 2.1 or later"
3073
if enabled nonfree; then
3074
    license="nonfree and unredistributable"
3075
elif enabled gplv3; then
3076
    license="GPL version 3 or later"
3077
elif enabled lgplv3; then
3078
    license="LGPL version 3 or later"
3079
elif enabled gpl; then
3080
    license="GPL version 2 or later"
3081
fi
3082

    
3083
echo "License: $license"
3084

    
3085
echo "Creating config.mak and config.h..."
3086

    
3087
# build tree in object directory if source path is different from current one
3088
if enabled source_path_used; then
3089
    DIRS="
3090
        doc
3091
        libavcodec
3092
        libavcodec/$arch
3093
        libavcore
3094
        libavdevice
3095
        libavfilter
3096
        libavfilter/$arch
3097
        libavformat
3098
        libavutil
3099
        libavutil/$arch
3100
        libpostproc
3101
        libswscale
3102
        libswscale/$arch
3103
        tests
3104
        tools
3105
    "
3106
    FILES="
3107
        Makefile
3108
        common.mak
3109
        subdir.mak
3110
        doc/texi2pod.pl
3111
        libavcodec/Makefile
3112
        libavcodec/${arch}/Makefile
3113
        libavcore/Makefile
3114
        libavdevice/Makefile
3115
        libavfilter/Makefile
3116
        libavfilter/${arch}/Makefile
3117
        libavformat/Makefile
3118
        libavutil/Makefile
3119
        libpostproc/Makefile
3120
        libswscale/Makefile
3121
    "
3122
    map 'mkdir -p $v' $DIRS;
3123
    map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3124
fi
3125

    
3126
enabled stripping || strip="echo skipping strip"
3127

    
3128
config_files="$TMPH config.mak"
3129

    
3130
cat > config.mak <<EOF
3131
# Automatically generated by configure - do not modify!
3132
ifndef FFMPEG_CONFIG_MAK
3133
FFMPEG_CONFIG_MAK=1
3134
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3135
prefix=$prefix
3136
LIBDIR=\$(DESTDIR)$libdir
3137
SHLIBDIR=\$(DESTDIR)$shlibdir
3138
INCDIR=\$(DESTDIR)$incdir
3139
BINDIR=\$(DESTDIR)$bindir
3140
DATADIR=\$(DESTDIR)$datadir
3141
MANDIR=\$(DESTDIR)$mandir
3142
SRC_PATH="$source_path"
3143
SRC_PATH_BARE=$source_path
3144
BUILD_ROOT="$PWD"
3145
CC_IDENT=$cc_ident
3146
ARCH=$arch
3147
CC=$cc
3148
AS=$as
3149
LD=$ld
3150
DEPCC=$dep_cc
3151
YASM=$yasmexe
3152
YASMDEP=$yasmexe
3153
AR=$ar
3154
RANLIB=$ranlib
3155
CP=cp -p
3156
LN_S=$ln_s
3157
STRIP=$strip
3158
CPPFLAGS=$CPPFLAGS
3159
CFLAGS=$CFLAGS
3160
ASFLAGS=$ASFLAGS
3161
CC_O=$CC_O
3162
LDFLAGS=$LDFLAGS
3163
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3164
SHFLAGS=$SHFLAGS
3165
YASMFLAGS=$YASMFLAGS
3166
BUILDSUF=$build_suffix
3167
FULLNAME=$FULLNAME
3168
LIBPREF=$LIBPREF
3169
LIBSUF=$LIBSUF
3170
LIBNAME=$LIBNAME
3171
SLIBPREF=$SLIBPREF
3172
SLIBSUF=$SLIBSUF
3173
EXESUF=$EXESUF
3174
EXTRA_VERSION=$extra_version
3175
DEPFLAGS=$DEPFLAGS
3176
CCDEP=$CCDEP
3177
ASDEP=$ASDEP
3178
CC_DEPFLAGS=$CC_DEPFLAGS
3179
AS_DEPFLAGS=$AS_DEPFLAGS
3180
HOSTCC=$host_cc
3181
HOSTCFLAGS=$host_cflags
3182
HOSTEXESUF=$HOSTEXESUF
3183
HOSTLDFLAGS=$host_ldflags
3184
HOSTLIBS=$host_libs
3185
TARGET_EXEC=$target_exec
3186
TARGET_PATH=$target_path
3187
SDL_LIBS=$sdl_libs
3188
SDL_CFLAGS=$sdl_cflags
3189
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3190
EXTRALIBS=$extralibs
3191
INSTALL=install
3192
LIBTARGET=${LIBTARGET}
3193
SLIBNAME=${SLIBNAME}
3194
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3195
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3196
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3197
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3198
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3199
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3200
SAMPLES=$samples
3201
EOF
3202

    
3203
get_version(){
3204
    name=$1
3205
    file=$source_path/$2
3206
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3207
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3208
    lcname=$(tolower $name)
3209
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3210
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3211
}
3212

    
3213
get_version LIBSWSCALE  libswscale/swscale.h
3214
get_version LIBPOSTPROC libpostproc/postprocess.h
3215
get_version LIBAVCODEC  libavcodec/avcodec.h
3216
get_version LIBAVCORE   libavcore/avcore.h
3217
get_version LIBAVDEVICE libavdevice/avdevice.h
3218
get_version LIBAVFORMAT libavformat/avformat.h
3219
get_version LIBAVUTIL   libavutil/avutil.h
3220
get_version LIBAVFILTER libavfilter/avfilter.h
3221

    
3222
cat > $TMPH <<EOF
3223
/* Automatically generated by configure - do not modify! */
3224
#ifndef FFMPEG_CONFIG_H
3225
#define FFMPEG_CONFIG_H
3226
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3227
#define FFMPEG_LICENSE "$(c_escape $license)"
3228
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3229
#define CC_TYPE "$cc_type"
3230
#define CC_VERSION $cc_version
3231
#define restrict $_restrict
3232
#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3233
#define EXTERN_PREFIX "${extern_prefix}"
3234
#define EXTERN_ASM ${extern_prefix}
3235
#define SLIBSUF "$SLIBSUF"
3236
EOF
3237

    
3238
test -n "$malloc_prefix" &&
3239
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3240

    
3241
if enabled small || disabled optimizations; then
3242
    echo "#undef  av_always_inline"  >> $TMPH
3243
    echo "#define av_always_inline"  >> $TMPH
3244
fi
3245

    
3246
if enabled yasm; then
3247
    append config_files $TMPASM
3248
    printf '' >$TMPASM
3249
fi
3250

    
3251
print_config ARCH_   "$config_files" $ARCH_LIST
3252
print_config HAVE_   "$config_files" $HAVE_LIST
3253
print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3254
                                     $CONFIG_EXTRA      \
3255
                                     $DECODER_LIST      \
3256
                                     $ENCODER_LIST      \
3257
                                     $HWACCEL_LIST      \
3258
                                     $PARSER_LIST       \
3259
                                     $BSF_LIST          \
3260
                                     $DEMUXER_LIST      \
3261
                                     $MUXER_LIST        \
3262
                                     $FILTER_LIST       \
3263
                                     $PROTOCOL_LIST     \
3264
                                     $INDEV_LIST        \
3265
                                     $OUTDEV_LIST       \
3266

    
3267
cat >>config.mak <<EOF
3268
ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3269
VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3270
LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3271
LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3272
SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3273
EOF
3274

    
3275
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3276
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3277

    
3278
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3279
cp_if_changed $TMPH config.h
3280
touch .config
3281

    
3282
enabled yasm && cp_if_changed $TMPASM config.asm
3283

    
3284
cat > $TMPH <<EOF
3285
/* Generated by ffconf */
3286
#ifndef AVUTIL_AVCONFIG_H
3287
#define AVUTIL_AVCONFIG_H
3288
EOF
3289

    
3290
print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3291

    
3292
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3293

    
3294
cp_if_changed $TMPH libavutil/avconfig.h
3295

    
3296
test -n "$WARNINGS" && printf "\n$WARNINGS"
3297

    
3298
# build pkg-config files
3299

    
3300
pkgconfig_generate(){
3301
name=$1
3302
shortname=${name#lib}${build_suffix}
3303
comment=$2
3304
version=$3
3305
libs=$4
3306
requires=$5
3307
enabled ${name#lib} || return 0
3308
cat <<EOF > $name/$name.pc
3309
prefix=$prefix
3310
exec_prefix=\${prefix}
3311
libdir=$libdir
3312
includedir=$incdir
3313

    
3314
Name: $name
3315
Description: $comment
3316
Version: $version
3317
Requires: $(enabled shared || echo $requires)
3318
Requires.private: $(enabled shared && echo $requires)
3319
Conflicts:
3320
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3321
Libs.private: $(enabled shared && echo $libs)
3322
Cflags: -I\${includedir}
3323
EOF
3324
cat <<EOF > $name/$name-uninstalled.pc
3325
prefix=
3326
exec_prefix=
3327
libdir=\${pcfiledir}
3328
includedir=${source_path}
3329

    
3330
Name: $name
3331
Description: $comment
3332
Version: $version
3333
Requires: $requires
3334
Conflicts:
3335
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3336
Cflags: -I\${includedir}
3337
EOF
3338
}
3339

    
3340
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3341
pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3342
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3343
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3344
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3345
pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3346
pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3347
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"