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

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

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

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

    
74
Configuration options:
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  --disable-static         do not build static libraries [no]
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  --enable-shared          build shared libraries [no]
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  --enable-gpl             allow use of GPL code, the resulting libs
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                           and binaries will be under GPL [no]
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  --enable-version3        upgrade (L)GPL to version 3 [no]
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  --enable-nonfree         allow use of nonfree code, the resulting libs
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                           and binaries will be unredistributable [no]
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  --disable-doc            do not build documentation
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  --disable-ffmpeg         disable ffmpeg build
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  --disable-ffplay         disable ffplay build
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  --disable-ffprobe        disable ffprobe build
86
  --disable-ffserver       disable ffserver build
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  --disable-avdevice       disable libavdevice build
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  --disable-avcodec        disable libavcodec build
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  --disable-avcore         disable libavcore build
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  --disable-avformat       disable libavformat build
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  --disable-swscale        disable libswscale build
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  --enable-postproc        enable GPLed postprocessing support [no]
93
  --disable-avfilter       disable video filter support [no]
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  --disable-pthreads       disable pthreads [auto]
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  --enable-w32threads      use Win32 threads [no]
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  --enable-x11grab         enable X11 grabbing [no]
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  --disable-network        disable network support [no]
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  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
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  --enable-gray            enable full grayscale support (slower color)
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  --disable-swscale-alpha  disable alpha channel support in swscale
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  --disable-fastdiv        disable table-based division
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  --enable-small           optimize for size instead of speed
103
  --disable-aandct         disable AAN DCT code
104
  --disable-dct            disable DCT code
105
  --disable-fft            disable FFT code
106
  --disable-golomb         disable Golomb code
107
  --disable-huffman        disable Huffman code
108
  --disable-lpc            disable LPC code
109
  --disable-mdct           disable MDCT code
110
  --disable-rdft           disable RDFT code
111
  --disable-vaapi          disable VAAPI code
112
  --disable-vdpau          disable VDPAU code
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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
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  --disable-hwaccels       disable all hwaccels
127
  --disable-muxer=NAME     disable muxer NAME
128
  --enable-muxer=NAME      enable muxer NAME
129
  --disable-muxers         disable all muxers
130
  --disable-demuxer=NAME   disable demuxer NAME
131
  --enable-demuxer=NAME    enable demuxer NAME
132
  --disable-demuxers       disable all demuxers
133
  --enable-parser=NAME     enable parser NAME
134
  --disable-parser=NAME    disable parser NAME
135
  --disable-parsers        disable all parsers
136
  --enable-bsf=NAME        enable bitstream filter NAME
137
  --disable-bsf=NAME       disable bitstream filter NAME
138
  --disable-bsfs           disable all bitstream filters
139
  --enable-protocol=NAME   enable protocol NAME
140
  --disable-protocol=NAME  disable protocol NAME
141
  --disable-protocols      disable all protocols
142
  --disable-indev=NAME     disable input device NAME
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
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  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168
  --enable-libopencv       enable video filtering via libopencv [no]
169
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
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                           and libraw1394 [no]
171
  --enable-libdirac        enable Dirac support via libdirac [no]
172
  --enable-libfaac         enable FAAC support via libfaac [no]
173
  --enable-libgsm          enable GSM support via libgsm [no]
174
  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
175
  --enable-libnut          enable NUT (de)muxing via libnut,
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                           native (de)muxer exists [no]
177
  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
178
  --enable-librtmp         enable RTMP[E] support via librtmp [no]
179
  --enable-libschroedinger enable Dirac support via libschroedinger [no]
180
  --enable-libspeex        enable Speex decoding via libspeex [no]
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  --enable-libtheora       enable Theora encoding via libtheora [no]
182
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
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                           native implementation exists [no]
184
  --enable-libvpx          enable VP8 support via libvpx [no]
185
  --enable-libx264         enable H.264 encoding via x264 [no]
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  --enable-libxavs         enable AVS encoding via xavs [no]
187
  --enable-libxvid         enable Xvid encoding via xvidcore,
188
                           native MPEG-4/Xvid encoder exists [no]
189
  --enable-mlib            enable Sun medialib [no]
190
  --enable-zlib            enable zlib [autodetect]
191

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

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

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

    
253
quotes='""'
254

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

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

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

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

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

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

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

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

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

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

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

    
324
map(){
325
    m=$1
326
    shift
327
    for v; do eval $m; done
328
}
329

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
931
THREADS_LIST='
932
    pthreads
933
    w32threads
934
'
935

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

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

    
979
HAVE_LIST_PUB='
980
    bigendian
981
    fast_unaligned
982
'
983

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

    
1083
# options emitted with CONFIG_ prefix but not available on command line
1084
CONFIG_EXTRA="
1085
    avutil
1086
    gplv3
1087
    lgplv3
1088
"
1089

    
1090
CMDLINE_SELECT="
1091
    $ARCH_EXT_LIST
1092
    $CONFIG_LIST
1093
    $THREADS_LIST
1094
    asm
1095
    cross_compile
1096
    debug
1097
    extra_warnings
1098
    logging
1099
    optimizations
1100
    stripping
1101
    symver
1102
    yasm
1103
"
1104

    
1105
PATHS_LIST='
1106
    bindir
1107
    datadir
1108
    incdir
1109
    libdir
1110
    mandir
1111
    prefix
1112
    shlibdir
1113
'
1114

    
1115
CMDLINE_SET="
1116
    $PATHS_LIST
1117
    ar
1118
    arch
1119
    as
1120
    build_suffix
1121
    cc
1122
    cpu
1123
    cross_prefix
1124
    dep_cc
1125
    extra_version
1126
    host_cc
1127
    host_cflags
1128
    host_ldflags
1129
    host_libs
1130
    host_os
1131
    ld
1132
    logfile
1133
    malloc_prefix
1134
    nm
1135
    samples
1136
    source_path
1137
    strip
1138
    sysinclude
1139
    sysroot
1140
    target_exec
1141
    target_os
1142
    target_path
1143
"
1144

    
1145
CMDLINE_APPEND="
1146
    extra_cflags
1147
"
1148

    
1149
# code dependency declarations
1150

    
1151
# architecture extensions
1152

    
1153
armv5te_deps="arm"
1154
armv6_deps="arm"
1155
armv6t2_deps="arm"
1156
armvfp_deps="arm"
1157
iwmmxt_deps="arm"
1158
neon_deps="arm"
1159

    
1160
mmi_deps="mips"
1161

    
1162
altivec_deps="ppc"
1163
ppc4xx_deps="ppc"
1164

    
1165
vis_deps="sparc"
1166

    
1167
x86_64_suggest="cmov fast_cmov"
1168
amd3dnow_deps="mmx"
1169
amd3dnowext_deps="amd3dnow"
1170
mmx_deps="x86"
1171
mmx2_deps="mmx"
1172
sse_deps="mmx"
1173
ssse3_deps="sse"
1174

    
1175
aligned_stack_if_any="ppc x86"
1176
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1177
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1178
fast_unaligned_if_any="armv6 ppc x86"
1179

    
1180
need_memalign="altivec neon sse"
1181
inline_asm_deps="!tms470"
1182

    
1183
symver_if_any="symver_asm_label symver_gnu_asm"
1184

    
1185
# subsystems
1186
dct_select="rdft"
1187
mdct_select="fft"
1188
rdft_select="fft"
1189

    
1190
# decoders / encoders / hardware accelerators
1191
aac_decoder_select="mdct rdft"
1192
aac_encoder_select="mdct"
1193
aac_latm_decoder_select="aac_decoder aac_latm_parser"
1194
ac3_decoder_select="mdct ac3_parser"
1195
alac_encoder_select="lpc"
1196
amrnb_decoder_select="lsp"
1197
atrac1_decoder_select="mdct"
1198
atrac3_decoder_select="mdct"
1199
binkaudio_dct_decoder_select="mdct rdft dct"
1200
binkaudio_rdft_decoder_select="mdct rdft"
1201
cavs_decoder_select="golomb"
1202
cook_decoder_select="mdct"
1203
cscd_decoder_suggest="zlib"
1204
dca_decoder_select="mdct"
1205
dnxhd_encoder_select="aandct"
1206
dxa_decoder_select="zlib"
1207
eac3_decoder_select="ac3_decoder"
1208
eamad_decoder_select="aandct"
1209
eatgq_decoder_select="aandct"
1210
eatqi_decoder_select="aandct"
1211
ffv1_decoder_select="golomb"
1212
flac_decoder_select="golomb"
1213
flac_encoder_select="golomb lpc"
1214
flashsv_decoder_select="zlib"
1215
flashsv_encoder_select="zlib"
1216
flv_decoder_select="h263_decoder"
1217
flv_encoder_select="h263_encoder"
1218
fraps_decoder_select="huffman"
1219
h261_encoder_select="aandct"
1220
h263_decoder_select="h263_parser"
1221
h263_encoder_select="aandct"
1222
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1223
h263i_decoder_select="h263_decoder"
1224
h263p_encoder_select="h263_encoder"
1225
h264_decoder_select="golomb h264dsp h264pred"
1226
h264_dxva2_hwaccel_deps="dxva2api_h"
1227
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1228
h264_vaapi_hwaccel_select="vaapi"
1229
h264_vdpau_decoder_select="vdpau h264_decoder"
1230
imc_decoder_select="fft mdct"
1231
jpegls_decoder_select="golomb"
1232
jpegls_encoder_select="golomb"
1233
ljpeg_encoder_select="aandct"
1234
loco_decoder_select="golomb"
1235
mjpeg_encoder_select="aandct"
1236
mlp_decoder_select="mlp_parser"
1237
mp1float_decoder_select="dct"
1238
mp2float_decoder_select="dct"
1239
mp3adufloat_decoder_select="dct"
1240
mp3float_decoder_select="dct"
1241
mp3on4float_decoder_select="dct"
1242
mpeg1video_encoder_select="aandct"
1243
mpeg2video_encoder_select="aandct"
1244
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1245
mpeg4_encoder_select="h263_encoder"
1246
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1247
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1248
mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1249
mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1250
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1251
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1252
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1253
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1254
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1255
msmpeg4v1_decoder_select="h263_decoder"
1256
msmpeg4v1_encoder_select="h263_encoder"
1257
msmpeg4v2_decoder_select="h263_decoder"
1258
msmpeg4v2_encoder_select="h263_encoder"
1259
msmpeg4v3_decoder_select="h263_decoder"
1260
msmpeg4v3_encoder_select="h263_encoder"
1261
nellymoser_decoder_select="mdct"
1262
nellymoser_encoder_select="mdct"
1263
png_decoder_select="zlib"
1264
png_encoder_select="zlib"
1265
qcelp_decoder_select="lsp"
1266
qdm2_decoder_select="mdct rdft"
1267
ra_144_encoder_select="lpc"
1268
rv10_decoder_select="h263_decoder"
1269
rv10_encoder_select="h263_encoder"
1270
rv20_decoder_select="h263_decoder"
1271
rv20_encoder_select="h263_encoder"
1272
rv30_decoder_select="golomb h264pred"
1273
rv40_decoder_select="golomb h264pred"
1274
shorten_decoder_select="golomb"
1275
sipr_decoder_select="lsp"
1276
snow_decoder_select="dwt"
1277
snow_encoder_select="aandct dwt"
1278
sonic_decoder_select="golomb"
1279
sonic_encoder_select="golomb"
1280
sonic_ls_encoder_select="golomb"
1281
svq1_encoder_select="aandct"
1282
svq3_decoder_select="golomb h264dsp h264pred"
1283
svq3_decoder_suggest="zlib"
1284
theora_decoder_select="vp3_decoder"
1285
tiff_decoder_suggest="zlib"
1286
tiff_encoder_suggest="zlib"
1287
truehd_decoder_select="mlp_decoder"
1288
tscc_decoder_select="zlib"
1289
twinvq_decoder_select="mdct lsp"
1290
vc1_decoder_select="h263_decoder"
1291
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1292
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1293
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1294
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1295
vorbis_decoder_select="mdct"
1296
vorbis_encoder_select="mdct"
1297
vp6_decoder_select="huffman"
1298
vp6a_decoder_select="vp6_decoder"
1299
vp6f_decoder_select="vp6_decoder"
1300
vp8_decoder_select="h264pred"
1301
wmapro_decoder_select="mdct"
1302
wmav1_decoder_select="mdct"
1303
wmav1_encoder_select="mdct"
1304
wmav2_decoder_select="mdct"
1305
wmav2_encoder_select="mdct"
1306
wmavoice_decoder_select="lsp rdft dct mdct"
1307
wmv1_decoder_select="h263_decoder"
1308
wmv1_encoder_select="h263_encoder"
1309
wmv2_decoder_select="h263_decoder"
1310
wmv2_encoder_select="h263_encoder"
1311
wmv3_decoder_select="vc1_decoder"
1312
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1313
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1314
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1315
zlib_decoder_select="zlib"
1316
zlib_encoder_select="zlib"
1317
zmbv_decoder_select="zlib"
1318
zmbv_encoder_select="zlib"
1319

    
1320
vaapi_deps="va_va_h"
1321
vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1322

    
1323
# parsers
1324
h264_parser_select="golomb h264dsp h264pred"
1325

    
1326
# external libraries
1327
libdirac_decoder_deps="libdirac !libschroedinger"
1328
libdirac_encoder_deps="libdirac"
1329
libfaac_encoder_deps="libfaac"
1330
libgsm_decoder_deps="libgsm"
1331
libgsm_encoder_deps="libgsm"
1332
libgsm_ms_decoder_deps="libgsm"
1333
libgsm_ms_encoder_deps="libgsm"
1334
libmp3lame_encoder_deps="libmp3lame"
1335
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1336
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1337
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1338
libopenjpeg_decoder_deps="libopenjpeg"
1339
libschroedinger_decoder_deps="libschroedinger"
1340
libschroedinger_encoder_deps="libschroedinger"
1341
libspeex_decoder_deps="libspeex"
1342
libtheora_encoder_deps="libtheora"
1343
libvorbis_encoder_deps="libvorbis"
1344
libvpx_decoder_deps="libvpx"
1345
libvpx_encoder_deps="libvpx"
1346
libx264_encoder_deps="libx264"
1347
libxavs_encoder_deps="libxavs"
1348
libxvid_encoder_deps="libxvid"
1349

    
1350
# demuxers / muxers
1351
ac3_demuxer_deps="ac3_parser"
1352
asf_stream_muxer_select="asf_muxer"
1353
avisynth_demuxer_deps="avisynth"
1354
dirac_demuxer_deps="dirac_parser"
1355
eac3_demuxer_select="ac3_parser"
1356
flac_demuxer_deps="flac_parser"
1357
ipod_muxer_select="mov_muxer"
1358
libnut_demuxer_deps="libnut"
1359
libnut_muxer_deps="libnut"
1360
matroska_audio_muxer_select="matroska_muxer"
1361
matroska_demuxer_suggest="zlib bzlib"
1362
mov_demuxer_suggest="zlib"
1363
mp3_demuxer_deps="mpegaudio_parser"
1364
mp4_muxer_select="mov_muxer"
1365
mpegtsraw_demuxer_select="mpegts_demuxer"
1366
mxf_d10_muxer_select="mxf_muxer"
1367
ogg_demuxer_select="golomb"
1368
psp_muxer_select="mov_muxer"
1369
rtp_demuxer_select="sdp_demuxer"
1370
rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1371
rtsp_demuxer_select="http_protocol rtpdec"
1372
rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1373
sap_demuxer_select="sdp_demuxer"
1374
sap_muxer_select="rtp_muxer rtp_protocol"
1375
sdp_demuxer_select="rtpdec"
1376
spdif_muxer_select="aac_parser"
1377
tg2_muxer_select="mov_muxer"
1378
tgp_muxer_select="mov_muxer"
1379
w64_demuxer_deps="wav_demuxer"
1380

    
1381
# indevs / outdevs
1382
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1383
alsa_outdev_deps="alsa_asoundlib_h"
1384
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1385
dv1394_indev_deps="dv1394 dv_demuxer"
1386
jack_indev_deps="jack_jack_h"
1387
libdc1394_indev_deps="libdc1394"
1388
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1389
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1390
v4l_indev_deps="linux_videodev_h"
1391
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1392
vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1393
vfwcap_indev_extralibs="-lavicap32"
1394
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1395
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1396

    
1397
# protocols
1398
gopher_protocol_deps="network"
1399
http_protocol_deps="network"
1400
http_protocol_select="tcp_protocol"
1401
mmsh_protocol_select="http_protocol"
1402
mmst_protocol_deps="network"
1403
rtmp_protocol_select="tcp_protocol"
1404
rtp_protocol_select="udp_protocol"
1405
tcp_protocol_deps="network"
1406
udp_protocol_deps="network"
1407

    
1408
# filters
1409
blackframe_filter_deps="gpl"
1410
cropdetect_filter_deps="gpl"
1411
frei0r_filter_deps="frei0r dlopen strtok_r"
1412
frei0r_src_filter_deps="frei0r dlopen strtok_r"
1413
hqdn3d_filter_deps="gpl"
1414
ocv_smooth_filter_deps="libopencv"
1415
yadif_filter_deps="gpl"
1416

    
1417
# libraries
1418
avdevice_deps="avcodec avformat"
1419
avformat_deps="avcodec"
1420

    
1421
# programs
1422
ffmpeg_deps="avcodec avformat swscale"
1423
ffmpeg_select="buffer_filter"
1424
ffplay_deps="avcodec avformat swscale sdl"
1425
ffplay_select="rdft"
1426
ffprobe_deps="avcodec avformat"
1427
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1428
ffserver_extralibs='$ldl'
1429

    
1430
doc_deps="texi2html"
1431

    
1432
# tests
1433

    
1434
test_deps(){
1435
    suf1=$1
1436
    suf2=$2
1437
    shift 2
1438
    for v; do
1439
        dep=${v%=*}
1440
        tests=${v#*=}
1441
        for name in ${tests}; do
1442
            eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1443
        done
1444
    done
1445
}
1446

    
1447
set_ne_test_deps(){
1448
    eval ${1}_be_test_deps="bigendian"
1449
    eval ${1}_le_test_deps="!bigendian"
1450
}
1451

    
1452
test_deps _encoder _decoder                                             \
1453
    ac3                                                                 \
1454
    adpcm_g726=g726                                                     \
1455
    adpcm_ima_qt                                                        \
1456
    adpcm_ima_wav                                                       \
1457
    adpcm_ms                                                            \
1458
    adpcm_swf                                                           \
1459
    adpcm_yamaha=adpcm_yam                                              \
1460
    alac                                                                \
1461
    asv1                                                                \
1462
    asv2                                                                \
1463
    bmp                                                                 \
1464
    dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1465
    dvvideo="dv dv50"                                                   \
1466
    ffv1                                                                \
1467
    flac                                                                \
1468
    flashsv                                                             \
1469
    flv                                                                 \
1470
    gif                                                                 \
1471
    h261                                                                \
1472
    h263="h263 h263p"                                                   \
1473
    huffyuv                                                             \
1474
    jpegls                                                              \
1475
    mjpeg="jpg mjpeg ljpeg"                                             \
1476
    mp2                                                                 \
1477
    mpeg1video="mpeg mpeg1b"                                            \
1478
    mpeg2video="mpeg2 mpeg2thread"                                      \
1479
    mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1480
    msmpeg4v3=msmpeg4                                                   \
1481
    msmpeg4v2                                                           \
1482
    pbm=pbmpipe                                                         \
1483
    pcx                                                                 \
1484
    pgm="pgm pgmpipe"                                                   \
1485
    ppm="ppm ppmpipe"                                                   \
1486
    rawvideo="rgb yuv"                                                  \
1487
    roq                                                                 \
1488
    rv10                                                                \
1489
    rv20                                                                \
1490
    sgi                                                                 \
1491
    snow="snow snowll"                                                  \
1492
    svq1                                                                \
1493
    targa=tga                                                           \
1494
    tiff                                                                \
1495
    wmav1                                                               \
1496
    wmav2                                                               \
1497
    wmv1                                                                \
1498
    wmv2                                                                \
1499

    
1500
test_deps _muxer _demuxer                                               \
1501
    aiff                                                                \
1502
    pcm_alaw=alaw                                                       \
1503
    asf                                                                 \
1504
    au                                                                  \
1505
    avi                                                                 \
1506
    dv=dv_fmt                                                           \
1507
    ffm                                                                 \
1508
    flv=flv_fmt                                                         \
1509
    gxf                                                                 \
1510
    matroska=mkv                                                        \
1511
    mmf                                                                 \
1512
    mov                                                                 \
1513
    pcm_mulaw=mulaw                                                     \
1514
    mxf                                                                 \
1515
    nut                                                                 \
1516
    ogg                                                                 \
1517
    rawvideo=pixfmt                                                     \
1518
    rm                                                                  \
1519
    swf                                                                 \
1520
    mpegts=ts                                                           \
1521
    voc                                                                 \
1522
    wav                                                                 \
1523
    yuv4mpegpipe=yuv4mpeg                                               \
1524

    
1525
mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1526

    
1527
set_ne_test_deps pixdesc
1528
set_ne_test_deps pixfmts_crop
1529
set_ne_test_deps pixfmts_hflip
1530
set_ne_test_deps pixfmts_null
1531
set_ne_test_deps pixfmts_pad
1532
set_ne_test_deps pixfmts_scale
1533
set_ne_test_deps pixfmts_vflip
1534

    
1535
# default parameters
1536

    
1537
logfile="config.log"
1538

    
1539
# installation paths
1540
prefix_default="/usr/local"
1541
bindir_default='${prefix}/bin'
1542
datadir_default='${prefix}/share/ffmpeg'
1543
incdir_default='${prefix}/include'
1544
libdir_default='${prefix}/lib'
1545
mandir_default='${prefix}/share/man'
1546
shlibdir_default="$libdir_default"
1547

    
1548
# toolchain
1549
ar_default="ar"
1550
cc_default="gcc"
1551
cc_version=\"unknown\"
1552
host_cc_default="gcc"
1553
ln_s="ln -sf"
1554
nm_default="nm"
1555
objformat="elf"
1556
ranlib="ranlib"
1557
strip_default="strip"
1558
yasmexe="yasm"
1559
nogas=":"
1560

    
1561
nm_opts='-g'
1562

    
1563
# machine
1564
arch_default=$(uname -m)
1565
cpu="generic"
1566

    
1567
# OS
1568
target_os_default=$(tolower $(uname -s))
1569
host_os=$target_os_default
1570

    
1571
# configurable options
1572
enable avcodec
1573
enable avcore
1574
enable avdevice
1575
enable avfilter
1576
enable avformat
1577
enable avutil
1578
enable asm
1579
enable debug
1580
enable doc
1581
enable fastdiv
1582
enable ffmpeg
1583
enable ffplay
1584
enable ffprobe
1585
enable ffserver
1586
enable mpegaudio_hp
1587
enable network
1588
enable optimizations
1589
enable protocols
1590
enable static
1591
enable stripping
1592
enable swscale
1593
enable swscale_alpha
1594

    
1595
# build settings
1596
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1597
FFSERVERLDFLAGS=-Wl,-E
1598
LIBPREF="lib"
1599
LIBSUF=".a"
1600
FULLNAME='$(NAME)$(BUILDSUF)'
1601
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1602
SLIBPREF="lib"
1603
SLIBSUF=".so"
1604
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1605
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1606
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1607
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1608

    
1609
CC_O='-o $@'
1610

    
1611
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1612
host_libs='-lm'
1613

    
1614
target_path='$(CURDIR)'
1615

    
1616
# since the object filename is not given with the -MM flag, the compiler
1617
# is only able to print the basename, and we must add the path ourselves
1618
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1619
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1620

    
1621
# find source path
1622
source_path="$(dirname "$0")"
1623
enable source_path_used
1624
if test -f configure; then
1625
    source_path="$(pwd)"
1626
    disable source_path_used
1627
else
1628
    source_path="$(cd "$source_path"; pwd)"
1629
    echo "$source_path" | grep -q '[[:blank:]]' &&
1630
        die "Out of tree builds are impossible with whitespace in source path."
1631
    test -e "$source_path/config.h" &&
1632
        die "Out of tree builds are impossible with config.h in source dir."
1633
fi
1634

    
1635
for v in "$@"; do
1636
    r=${v#*=}
1637
    l=${v%"$r"}
1638
    r=$(sh_quote "$r")
1639
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1640
done
1641

    
1642
find_things(){
1643
    thing=$1
1644
    pattern=$2
1645
    file=$source_path/$3
1646
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1647
}
1648

    
1649
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1650
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1651
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1652
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1653
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1654
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1655
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1656
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1657
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1658
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1659
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1660

    
1661
find_tests(){
1662
    map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1663
}
1664

    
1665
ACODEC_TESTS=$(find_tests acodec)
1666
VCODEC_TESTS=$(find_tests vsynth1)
1667
LAVF_TESTS=$(find_tests lavf)
1668
LAVFI_TESTS=$(find_tests lavfi)
1669
SEEK_TESTS=$(find_tests seek seek_)
1670

    
1671
pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1672

    
1673
for n in $COMPONENT_LIST; do
1674
    v=$(toupper ${n%s})_LIST
1675
    eval enable \$$v
1676
    eval ${n}_if_any="\$$v"
1677
done
1678

    
1679
enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1680

    
1681
die_unknown(){
1682
    echo "Unknown option \"$1\"."
1683
    echo "See $0 --help for available options."
1684
    exit 1
1685
}
1686

    
1687
show_list() {
1688
    suffix=_$1
1689
    shift
1690
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1691
    exit 0
1692
}
1693

    
1694
for opt do
1695
    optval="${opt#*=}"
1696
    case "$opt" in
1697
    --extra-ldflags=*) add_ldflags $optval
1698
    ;;
1699
    --extra-libs=*) add_extralibs $optval
1700
    ;;
1701
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1702
    ;;
1703
    --enable-debug=*) debuglevel="$optval"
1704
    ;;
1705
    --disable-everything)
1706
    map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1707
    ;;
1708
    --enable-*=*|--disable-*=*)
1709
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1710
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1711
    eval list=\$$(toupper $thing)_LIST
1712
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1713
    $action $(filter "$name" $list)
1714
    ;;
1715
    --enable-?*|--disable-?*)
1716
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1717
    if is_in $option $COMPONENT_LIST; then
1718
        test $action = disable && action=unset
1719
        eval $action \$$(toupper ${option%s})_LIST
1720
    elif is_in $option $CMDLINE_SELECT; then
1721
        $action $option
1722
    else
1723
        die_unknown $opt
1724
    fi
1725
    ;;
1726
    --list-*)
1727
        NAME="${opt#--list-}"
1728
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1729
        NAME=${NAME%s}
1730
        eval show_list $NAME \$$(toupper $NAME)_LIST
1731
    ;;
1732
    --help|-h) show_help
1733
    ;;
1734
    *)
1735
    optname="${opt%%=*}"
1736
    optname="${optname#--}"
1737
    optname=$(echo "$optname" | sed 's/-/_/g')
1738
    if is_in $optname $CMDLINE_SET; then
1739
        eval $optname='$optval'
1740
    elif is_in $optname $CMDLINE_APPEND; then
1741
        append $optname "$optval"
1742
    else
1743
         die_unknown $opt
1744
    fi
1745
    ;;
1746
    esac
1747
done
1748

    
1749
disabled logging && logfile=/dev/null
1750

    
1751
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1752
set >> $logfile
1753

    
1754
test -n "$cross_prefix" && enable cross_compile
1755

    
1756
if enabled cross_compile; then
1757
    test -n "$arch" && test -n "$target_os" ||
1758
        die "Must specify target arch and OS when cross-compiling"
1759
fi
1760

    
1761
set_default arch target_os
1762

    
1763
ar_default="${cross_prefix}${ar_default}"
1764
cc_default="${cross_prefix}${cc_default}"
1765
nm_default="${cross_prefix}${nm_default}"
1766
ranlib="${cross_prefix}${ranlib}"
1767
strip_default="${cross_prefix}${strip_default}"
1768

    
1769
sysinclude_default="${sysroot}/usr/include"
1770

    
1771
set_default cc nm strip sysinclude
1772
enabled cross_compile || host_cc_default=$cc
1773
set_default host_cc
1774

    
1775
exesuf() {
1776
    case $1 in
1777
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1778
    esac
1779
}
1780

    
1781
EXESUF=$(exesuf $target_os)
1782
HOSTEXESUF=$(exesuf $host_os)
1783

    
1784
# set temporary file name
1785
: ${TMPDIR:=$TEMPDIR}
1786
: ${TMPDIR:=$TMP}
1787
: ${TMPDIR:=/tmp}
1788

    
1789
if ! check_cmd type mktemp; then
1790
    # simple replacement for missing mktemp
1791
    # NOT SAFE FOR GENERAL USE
1792
    mktemp(){
1793
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1794
    }
1795
fi
1796

    
1797
tmpfile(){
1798
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1799
        (set -C; exec > $tmp) 2>/dev/null ||
1800
        die "Unable to create temporary file in $TMPDIR."
1801
    append TMPFILES $tmp
1802
    eval $1=$tmp
1803
}
1804

    
1805
trap 'rm -f -- $TMPFILES' EXIT
1806
trap exit HUP INT TERM
1807

    
1808
tmpfile TMPC  .c
1809
tmpfile TMPE  $EXESUF
1810
tmpfile TMPH  .h
1811
tmpfile TMPO  .o
1812
tmpfile TMPS  .S
1813
tmpfile TMPV  .ver
1814
tmpfile TMPSH .sh
1815
tmpfile TMPASM .asm
1816

    
1817
unset -f mktemp
1818

    
1819
# make sure we can execute files in $TMPDIR
1820
cat > $TMPSH 2>> $logfile <<EOF
1821
#! /bin/sh
1822
EOF
1823
chmod +x $TMPSH >> $logfile 2>&1
1824
if ! $TMPSH >> $logfile 2>&1; then
1825
    cat <<EOF
1826
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1827
variable to another directory and make sure that it is not mounted noexec.
1828
EOF
1829
    die "Sanity test failed."
1830
fi
1831

    
1832
filter_cflags=echo
1833
filter_cppflags=echo
1834
filter_asflags=echo
1835

    
1836
if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1837
    cc_type=llvm_gcc
1838
    cc_version=__VERSION__
1839
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1840
    cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1841
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1842
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1843
    speed_cflags='-O3'
1844
    size_cflags='-Os'
1845
elif $cc -v 2>&1 | grep -qi ^gcc; then
1846
    cc_type=gcc
1847
    cc_version=__VERSION__
1848
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1849
    cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1850
    if ! $cc -dumpversion | grep -q '^2\.'; then
1851
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1852
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1853
    fi
1854
    speed_cflags='-O3'
1855
    size_cflags='-Os'
1856
elif $cc --version 2>/dev/null | grep -q Intel; then
1857
    cc_type=icc
1858
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1859
    cc_ident=$($cc --version | head -n1)
1860
    icc_version=$($cc -dumpversion)
1861
    CC_DEPFLAGS='-MMD'
1862
    AS_DEPFLAGS='-MMD'
1863
    speed_cflags='-O3'
1864
    size_cflags='-Os'
1865
    noopt_cflags='-O1'
1866
elif $cc -v 2>&1 | grep -q xlc; then
1867
    cc_type=xlc
1868
    cc_version="AV_STRINGIFY(__IBMC__)"
1869
    cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1870
    speed_cflags='-O5'
1871
    size_cflags='-O5 -qcompact'
1872
elif $cc -V 2>/dev/null | grep -q Compaq; then
1873
    cc_type=ccc
1874
    cc_version="AV_STRINGIFY(__DECC_VER)"
1875
    cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1876
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1877
    debuglevel=3
1878
    add_ldflags -Wl,-z,now # calls to libots crash without this
1879
    speed_cflags='-fast'
1880
    size_cflags='-O1'
1881
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1882
    test -d "$sysroot" || die "No valid sysroot specified."
1883
    cc_type=armcc
1884
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1885
    cc_ident=$($cc --vsn | head -n1)
1886
    armcc_conf="$PWD/armcc.conf"
1887
    $cc --arm_linux_configure                 \
1888
        --arm_linux_config_file="$armcc_conf" \
1889
        --configure_sysroot="$sysroot"        \
1890
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1891
        die "Error creating armcc configuration file."
1892
    $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1893
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1894
    as_default="${cross_prefix}gcc"
1895
    CC_DEPFLAGS='-MMD'
1896
    AS_DEPFLAGS='-MMD'
1897
    speed_cflags='-O3'
1898
    size_cflags='-Os'
1899
elif $cc -version 2>/dev/null | grep -q TMS470; then
1900
    cc_type=tms470
1901
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1902
    cc_ident=$($cc -version | head -n1 | tr -s ' ')
1903
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1904
    CC_O='-fr=$(@D)'
1905
    as_default="${cross_prefix}gcc"
1906
    ld_default="${cross_prefix}gcc"
1907
    TMPO=$(basename $TMPC .c).o
1908
    append TMPFILES $TMPO
1909
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1910
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1911
    AS_DEPFLAGS='-MMD'
1912
    speed_cflags='-O3 -mf=5'
1913
    size_cflags='-O3 -mf=2'
1914
    filter_cflags=tms470_flags
1915
    tms470_flags(){
1916
        for flag; do
1917
            case $flag in
1918
                -march=*|-mcpu=*)
1919
                    case "${flag#*=}" in
1920
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1921
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1922
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1923
                        armv6*|arm11*)          echo -mv=6   ;;
1924
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1925
                                                echo -mv=5e  ;;
1926
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1927
                    esac
1928
                    ;;
1929
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1930
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1931
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1932
                -msoft-float)   echo --float_support=vfplib       ;;
1933
                -O[0-3]|-mf=*)  echo $flag                        ;;
1934
                -g)             echo -g -mn                       ;;
1935
                -pds=*)         echo $flag                        ;;
1936
            esac
1937
        done
1938
    }
1939
elif $cc -v 2>&1 | grep -q clang; then
1940
    cc_type=clang
1941
    $cc -dM -E $TMPC | grep -q __clang_version__ &&
1942
        cc_version=__clang_version__ || cc_version=__VERSION__
1943
    cc_ident=$($cc --version | head -n1)
1944
    CC_DEPFLAGS='-MMD'
1945
    AS_DEPFLAGS='-MMD'
1946
    speed_cflags='-O3'
1947
    size_cflags='-Os'
1948
elif $cc -V 2>&1 | grep -q Sun; then
1949
    cc_type=suncc
1950
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1951
    cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1952
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1953
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1954
    speed_cflags='-O5'
1955
    size_cflags='-O5 -xspace'
1956
    filter_cflags=suncc_flags
1957
    suncc_flags(){
1958
        for flag; do
1959
            case $flag in
1960
                -march=*|-mcpu=*)
1961
                    case "${flag#*=}" in
1962
                        native)                   echo -xtarget=native       ;;
1963
                        v9|niagara)               echo -xarch=sparc          ;;
1964
                        ultrasparc)               echo -xarch=sparcvis       ;;
1965
                        ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
1966
                        i586|pentium)             echo -xchip=pentium        ;;
1967
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1968
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1969
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1970
                        pentium4*)          echo -xtarget=pentium4           ;;
1971
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1972
                        *-sse3)             echo -xarch=sse3                 ;;
1973
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1974
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1975
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1976
                        k8|opteron|athlon64|athlon-fx)
1977
                                                  echo -xarch=sse2a          ;;
1978
                        athlon*)                  echo -xarch=pentium_proa   ;;
1979
                    esac
1980
                    ;;
1981
                -std=c99)             echo -xc99              ;;
1982
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1983
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1984
                -W*,*)                echo $flag              ;;
1985
                -f*-*|-W*)                                    ;;
1986
                *)                    echo $flag              ;;
1987
            esac
1988
        done
1989
    }
1990
elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
1991
    cc_type=pathscale
1992
    cc_version=__PATHSCALE__
1993
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1994
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1995
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1996
    speed_cflags='-O2'
1997
    size_cflags='-Os'
1998
elif $cc -v 2>&1 | grep -q Open64; then
1999
    cc_type=open64
2000
    cc_version=__OPEN64__
2001
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2002
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2003
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2004
    speed_cflags='-O2'
2005
    size_cflags='-Os'
2006
fi
2007

    
2008
test -n "$cc_type" && enable $cc_type ||
2009
    warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2010

    
2011
: ${as_default:=$cc}
2012
: ${dep_cc_default:=$cc}
2013
: ${ld_default:=$cc}
2014
set_default ar as dep_cc ld
2015

    
2016
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2017
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2018

    
2019
add_cflags $extra_cflags
2020
add_asflags $extra_cflags
2021

    
2022
if test -n "$sysroot"; then
2023
    case "$cc_type" in
2024
        gcc|llvm_gcc)
2025
            add_cppflags --sysroot="$sysroot"
2026
            add_ldflags --sysroot="$sysroot"
2027
        ;;
2028
        tms470)
2029
            add_cppflags -I"$sysinclude"
2030
            add_ldflags  --sysroot="$sysroot"
2031
        ;;
2032
        clang)
2033
            add_cppflags -isysroot "$sysroot"
2034
            add_ldflags -isysroot "$sysroot"
2035
        ;;
2036
    esac
2037
fi
2038

    
2039
if test "$cpu" = host; then
2040
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2041

    
2042
    case "$cc_type" in
2043
        gcc|llvm_gcc)
2044
            check_native(){
2045
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2046
                sed -n "/$1=/{
2047
                            s/.*$1=\\([^ ]*\\).*/\\1/
2048
                            p
2049
                            q
2050
                        }" $TMPE
2051
            }
2052
            cpu=$(check_native -march || check_native -mcpu)
2053
        ;;
2054
    esac
2055

    
2056
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2057
fi
2058

    
2059
# Deal with common $arch aliases
2060
case "$arch" in
2061
    arm*)
2062
        arch="arm"
2063
    ;;
2064
    mips|mipsel|IP*)
2065
        arch="mips"
2066
    ;;
2067
    mips64*)
2068
        arch="mips"
2069
        subarch="mips64"
2070
    ;;
2071
    parisc|hppa)
2072
        arch="parisc"
2073
    ;;
2074
    parisc64|hppa64)
2075
        arch="parisc"
2076
        subarch="parisc64"
2077
    ;;
2078
    "Power Macintosh"|ppc|powerpc)
2079
        arch="ppc"
2080
    ;;
2081
    ppc64|powerpc64)
2082
        arch="ppc"
2083
        subarch="ppc64"
2084
    ;;
2085
    s390|s390x)
2086
        arch="s390"
2087
    ;;
2088
    sh4|sh)
2089
        arch="sh4"
2090
    ;;
2091
    sun4u|sparc64)
2092
        arch="sparc"
2093
        subarch="sparc64"
2094
    ;;
2095
    i[3-6]86|i86pc|BePC|x86_64|amd64)
2096
        arch="x86"
2097
    ;;
2098
esac
2099

    
2100
is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2101
enable $arch
2102

    
2103
# Add processor-specific flags
2104
if test "$cpu" = generic; then
2105
    : do nothing
2106
elif enabled ppc; then
2107

    
2108
    case $(tolower $cpu) in
2109
        601|ppc601|powerpc601)
2110
            cpuflags="-mcpu=601"
2111
            disable altivec
2112
        ;;
2113
        603*|ppc603*|powerpc603*)
2114
            cpuflags="-mcpu=603"
2115
            disable altivec
2116
        ;;
2117
        604*|ppc604*|powerpc604*)
2118
            cpuflags="-mcpu=604"
2119
            disable altivec
2120
        ;;
2121
        g3|75*|ppc75*|powerpc75*)
2122
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2123
            disable altivec
2124
        ;;
2125
        g4|745*|ppc745*|powerpc745*)
2126
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2127
        ;;
2128
        74*|ppc74*|powerpc74*)
2129
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2130
        ;;
2131
        g5|970|ppc970|powerpc970|power4*)
2132
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2133
        ;;
2134
        cell)
2135
            cpuflags="-mcpu=cell"
2136
            enable ldbrx
2137
        ;;
2138
        e500v2)
2139
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2140
            disable altivec
2141
        ;;
2142
        e500)
2143
            cpuflags="-mcpu=8540 -mhard-float"
2144
            disable altivec
2145
        ;;
2146
    esac
2147

    
2148
elif enabled x86; then
2149

    
2150
    case $cpu in
2151
        i[345]86|pentium)
2152
            cpuflags="-march=$cpu"
2153
            disable mmx
2154
        ;;
2155
        # targets that do NOT support conditional mov (cmov)
2156
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2157
            cpuflags="-march=$cpu"
2158
            disable cmov
2159
        ;;
2160
        # targets that do support conditional mov (cmov)
2161
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2162
            cpuflags="-march=$cpu"
2163
            enable cmov
2164
            enable fast_cmov
2165
        ;;
2166
        # targets that do support conditional mov but on which it's slow
2167
        pentium4|pentium4m|prescott|nocona)
2168
            cpuflags="-march=$cpu"
2169
            enable cmov
2170
            disable fast_cmov
2171
        ;;
2172
    esac
2173

    
2174
elif enabled sparc; then
2175

    
2176
    case $cpu in
2177
        niagara)
2178
            cpuflags="-mcpu=$cpu"
2179
            disable vis
2180
        ;;
2181
        sparc64)
2182
            cpuflags="-mcpu=v9"
2183
        ;;
2184
    esac
2185

    
2186
elif enabled arm; then
2187

    
2188
    case $cpu in
2189
        armv*)
2190
            cpuflags="-march=$cpu"
2191
            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2192
        ;;
2193
        *)
2194
            cpuflags="-mcpu=$cpu"
2195
            case $cpu in
2196
                cortex-a*)                               subarch=armv7a  ;;
2197
                cortex-r*)                               subarch=armv7r  ;;
2198
                cortex-m*)                               subarch=armv7m  ;;
2199
                arm11*)                                  subarch=armv6   ;;
2200
                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2201
                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2202
            esac
2203
        ;;
2204
    esac
2205

    
2206
elif enabled alpha; then
2207

    
2208
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2209

    
2210
elif enabled bfin; then
2211

    
2212
    cpuflags="-mcpu=$cpu"
2213

    
2214
elif enabled mips; then
2215

    
2216
    cpuflags="-march=$cpu"
2217

    
2218
elif enabled avr32; then
2219

    
2220
    case $cpu in
2221
        ap7[02]0[0-2])
2222
            subarch="avr32_ap"
2223
            cpuflags="-mpart=$cpu"
2224
        ;;
2225
        ap)
2226
            subarch="avr32_ap"
2227
            cpuflags="-march=$cpu"
2228
        ;;
2229
        uc3[ab]*)
2230
            subarch="avr32_uc"
2231
            cpuflags="-mcpu=$cpu"
2232
        ;;
2233
        uc)
2234
            subarch="avr32_uc"
2235
            cpuflags="-march=$cpu"
2236
        ;;
2237
    esac
2238

    
2239
fi
2240

    
2241
add_cflags $cpuflags
2242
add_asflags $cpuflags
2243

    
2244
# compiler sanity check
2245
check_exec <<EOF
2246
int main(void){ return 0; }
2247
EOF
2248
if test "$?" != 0; then
2249
    echo "$cc is unable to create an executable file."
2250
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2251
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2252
        echo "Only do this if you know what cross compiling means."
2253
    fi
2254
    die "C compiler test failed."
2255
fi
2256

    
2257
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2258
check_cflags -std=c99
2259
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2260
#include <stdlib.h>
2261
EOF
2262
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2263
#include <stdlib.h>
2264
EOF
2265

    
2266
check_host_cflags -std=c99
2267

    
2268
case "$arch" in
2269
    alpha|ia64|mips|parisc|sparc)
2270
        spic=$shared
2271
    ;;
2272
    x86)
2273
        subarch="x86_32"
2274
        check_cc <<EOF && subarch="x86_64"
2275
        int test[(int)sizeof(char*) - 7];
2276
EOF
2277
        if test "$subarch" = "x86_64"; then
2278
            spic=$shared
2279
        fi
2280
    ;;
2281
esac
2282

    
2283
enable $subarch
2284
enabled spic && enable pic
2285

    
2286
# OS specific
2287
case $target_os in
2288
    haiku)
2289
        prefix_default="/boot/common"
2290
        network_extralibs="-lnetwork"
2291
        ;;
2292
    sunos)
2293
        FFSERVERLDFLAGS=""
2294
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2295
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2296
        network_extralibs="-lsocket -lnsl"
2297
        add_cppflags -D__EXTENSIONS__
2298
        nm_opts='-P -g'
2299
        ;;
2300
    netbsd)
2301
        oss_indev_extralibs="-lossaudio"
2302
        oss_outdev_extralibs="-lossaudio"
2303
        add_cppflags -D_XOPEN_SOURCE=600
2304
        ;;
2305
    openbsd)
2306
        enable malloc_aligned
2307
        # On OpenBSD 4.5. the compiler does not use PIC unless
2308
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2309
        # however the generated executable will not do anything
2310
        # (simply quits with exit-code 1, no crash, no output).
2311
        # Thus explicitly enable PIC here.
2312
        enable pic
2313
        SHFLAGS='-shared'
2314
        oss_indev_extralibs="-lossaudio"
2315
        oss_outdev_extralibs="-lossaudio"
2316
        ;;
2317
    freebsd|dragonfly)
2318
        enable malloc_aligned
2319
        ;;
2320
    bsd/os)
2321
        add_extralibs -lpoll -lgnugetopt
2322
        strip="strip -d"
2323
        ;;
2324
    darwin)
2325
        enable malloc_aligned
2326
        gas="gas-preprocessor.pl $cc"
2327
        enabled ppc && add_asflags -force_cpusubtype_ALL
2328
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2329
        strip="${strip} -x"
2330
        add_ldflags -Wl,-dynamic,-search_paths_first
2331
        SLIBSUF=".dylib"
2332
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2333
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2334
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2335
        objformat="macho"
2336
        enabled x86_64 && objformat="macho64"
2337
        enabled_any pic shared ||
2338
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2339
        ;;
2340
    mingw32*)
2341
        if test $target_os = "mingw32ce"; then
2342
            disable network
2343
        else
2344
            target_os=mingw32
2345
        fi
2346
        LIBTARGET=i386
2347
        if enabled x86_64; then
2348
            enable malloc_aligned
2349
            LIBTARGET=x64
2350
        elif enabled arm; then
2351
            LIBTARGET=arm
2352
        fi
2353
        shlibdir_default="$bindir_default"
2354
        disable ffserver
2355
        SLIBPREF=""
2356
        SLIBSUF=".dll"
2357
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2358
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2359
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2360
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2361
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2362
            install -d "$(LIBDIR)"; \
2363
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2364
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2365
        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'
2366
        objformat="win32"
2367
        enable dos_paths
2368
        check_cflags -fno-common
2369
        check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2370
                                      || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2371
                die "ERROR: MinGW runtime version must be >= 3.15."
2372
        ;;
2373
    cygwin*)
2374
        target_os=cygwin
2375
        shlibdir_default="$bindir_default"
2376
        SLIBPREF="cyg"
2377
        SLIBSUF=".dll"
2378
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2379
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2380
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2381
        objformat="win32"
2382
        enable dos_paths
2383
        check_cflags -fno-common
2384
        ;;
2385
    *-dos|freedos|opendos)
2386
        disable ffplay ffserver
2387
        disable $INDEV_LIST $OUTDEV_LIST
2388
        network_extralibs="-lsocket"
2389
        objformat="coff"
2390
        enable dos_paths
2391
        ;;
2392
    linux)
2393
        enable dv1394
2394
        ;;
2395
    irix*)
2396
        target_os=irix
2397
        ranlib="echo ignoring ranlib"
2398
        ;;
2399
    os/2*)
2400
        strip="lxlite"
2401
        ln_s="cp -f"
2402
        add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2403
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2404
        FFSERVERLDFLAGS=""
2405
        LIBSUF="_s.a"
2406
        SLIBPREF=""
2407
        SLIBSUF=".dll"
2408
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2409
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2410
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2411
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2412
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2413
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2414
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2415
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2416
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2417
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2418
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2419
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2420
        enable dos_paths
2421
        ;;
2422
    gnu/kfreebsd)
2423
        ;;
2424
    gnu)
2425
        ;;
2426
    none)
2427
        ;;
2428
    *)
2429
        die "Unknown OS '$target_os'."
2430
        ;;
2431
esac
2432

    
2433
echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2434

    
2435
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2436

    
2437
set_default $PATHS_LIST
2438

    
2439
# we need to build at least one lib type
2440
if ! enabled_any static shared; then
2441
    cat <<EOF
2442
At least one library type must be built.
2443
Specify --enable-static to build the static libraries or --enable-shared to
2444
build the shared libraries as well. To only build the shared libraries specify
2445
--disable-static in addition to --enable-shared.
2446
EOF
2447
    exit 1;
2448
fi
2449

    
2450
disabled static && LIBNAME=""
2451

    
2452
die_license_disabled() {
2453
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2454
}
2455

    
2456
die_license_disabled gpl libx264
2457
die_license_disabled gpl libxavs
2458
die_license_disabled gpl libxvid
2459
die_license_disabled gpl postproc
2460
die_license_disabled gpl x11grab
2461

    
2462
die_license_disabled nonfree libfaac
2463

    
2464
die_license_disabled version3 libopencore_amrnb
2465
die_license_disabled version3 libopencore_amrwb
2466

    
2467
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2468

    
2469
check_deps $ARCH_EXT_LIST
2470

    
2471
disabled optimizations || check_cflags -fomit-frame-pointer
2472

    
2473
enable_pic() {
2474
    enable pic
2475
    add_cppflags -DPIC
2476
    add_cflags   -fPIC
2477
    add_asflags  -fPIC
2478
}
2479

    
2480
enabled pic && enable_pic
2481

    
2482
check_cc <<EOF || die "Symbol mangling check failed."
2483
int ff_extern;
2484
EOF
2485
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2486
extern_prefix=${sym%%ff_extern*}
2487

    
2488
check_cc <<EOF && enable inline_asm
2489
void foo(void) { __asm__ volatile ("" ::); }
2490
EOF
2491

    
2492
_restrict=
2493
for restrict_keyword in restrict __restrict__ __restrict; do
2494
    check_cc <<EOF && _restrict=$restrict_keyword && break
2495
void foo(char * $restrict_keyword p);
2496
EOF
2497
done
2498

    
2499
check_cc <<EOF && enable attribute_packed
2500
struct { int x; } __attribute__((packed)) x;
2501
EOF
2502

    
2503
check_cc <<EOF && enable attribute_may_alias
2504
union { int x; } __attribute__((may_alias)) x;
2505
EOF
2506

    
2507
check_cc <<EOF || die "endian test failed"
2508
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2509
EOF
2510
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2511

    
2512
if enabled alpha; then
2513

    
2514
    check_cflags -mieee
2515

    
2516
elif enabled arm; then
2517

    
2518
    check_cflags -marm
2519
    nogas=die
2520

    
2521
    check_ld <<EOF && enable vfp_args
2522
__asm__ (".eabi_attribute 28, 1");
2523
int main(void) { return 0; }
2524
EOF
2525

    
2526
    # We have to check if pld is a nop and disable it.
2527
    check_asm pld '"pld [r0]"'
2528

    
2529
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2530
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2531
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2532
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2533
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2534
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2535

    
2536
    enabled_all armv6t2 shared !pic && enable_pic
2537

    
2538
elif enabled mips; then
2539

    
2540
    check_asm loongson '"dmult.g $1, $2, $3"'
2541
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2542

    
2543
elif enabled ppc; then
2544

    
2545
    enable local_aligned_8 local_aligned_16
2546

    
2547
    check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2548
    check_asm ibm_asm   '"add 0, 0, 0"'
2549
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2550
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2551

    
2552
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2553
    if enabled altivec; then
2554
        nogas=warn
2555
        check_cflags -maltivec -mabi=altivec &&
2556
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2557
        check_cflags -faltivec
2558

    
2559
        # check if our compiler supports Motorola AltiVec C API
2560
        check_cc <<EOF || disable altivec
2561
$inc_altivec_h
2562
int main(void) {
2563
    vector signed int v1, v2, v3;
2564
    v1 = vec_add(v2,v3);
2565
    return 0;
2566
}
2567
EOF
2568

    
2569
        # check if our compiler supports braces for vector declarations
2570
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2571
$inc_altivec_h
2572
int main (void) { (vector int) {1}; return 0; }
2573
EOF
2574
    fi
2575

    
2576
elif enabled sparc; then
2577

    
2578
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2579
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2580

    
2581
elif enabled x86; then
2582

    
2583
    enable local_aligned_8 local_aligned_16
2584

    
2585
    # check whether EBP is available on x86
2586
    # As 'i' is stored on the stack, this program will crash
2587
    # if the base pointer is used to access it because the
2588
    # base pointer is cleared in the inline assembly code.
2589
    check_exec_crash <<EOF && enable ebp_available
2590
    volatile int i=0;
2591
    __asm__ volatile (
2592
        "xorl %%ebp, %%ebp"
2593
    ::: "%ebp");
2594
    return i;
2595
EOF
2596

    
2597
    # check whether EBX is available on x86
2598
    check_asm ebx_available '""::"b"(0)' &&
2599
        check_asm ebx_available '"":::"%ebx"'
2600

    
2601
    # check whether xmm clobbers are supported
2602
    check_asm xmm_clobbers '"":::"%xmm0"'
2603

    
2604
    # check whether more than 10 operands are supported
2605
    check_cc <<EOF && enable ten_operands
2606
int main(void) {
2607
    int x=0;
2608
    __asm__ volatile(
2609
        ""
2610
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2611
    );
2612
    return 0;
2613
}
2614
EOF
2615

    
2616
    # check whether binutils is new enough to compile SSSE3/MMX2
2617
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2618
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2619

    
2620
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2621

    
2622
    if ! disabled_any asm mmx yasm; then
2623
        if check_cmd $yasmexe --version; then
2624
            enabled x86_64 && yasm_extra="-m amd64"
2625
            yasm_debug="-g dwarf2"
2626
        elif check_cmd nasm -v; then
2627
            yasmexe=nasm
2628
            yasm_debug="-g -F dwarf"
2629
            enabled x86_64 && test "$objformat" = elf && objformat=elf64
2630
        fi
2631

    
2632
        YASMFLAGS="-f $objformat $yasm_extra"
2633
        enabled pic               && append YASMFLAGS "-DPIC"
2634
        test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2635
        case "$objformat" in
2636
            elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2637
        esac
2638

    
2639
        check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2640
            die "yasm not found, use --disable-yasm for a crippled build"
2641
    fi
2642

    
2643
    case "$cpu" in
2644
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2645
            disable fast_clz
2646
        ;;
2647
    esac
2648

    
2649
fi
2650

    
2651
if enabled asm; then
2652
    as=${gas:=$as}
2653
    check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2654
        $nogas "GNU assembler not found, install gas-preprocessor"
2655
fi
2656

    
2657
if check_func dlopen; then
2658
    ldl=
2659
elif check_func dlopen -ldl; then
2660
    ldl=-ldl
2661
fi
2662

    
2663
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2664
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2665

    
2666
check_func  fcntl
2667
check_func  fork
2668
check_func  getaddrinfo $network_extralibs
2669
check_func  gethrtime
2670
check_func  getrusage
2671
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2672
check_func  inet_aton $network_extralibs
2673
check_func  isatty
2674
check_func  ${malloc_prefix}memalign            && enable memalign
2675
check_func  mkstemp
2676
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2677
check_func  setrlimit
2678
check_func  strerror_r
2679
check_func  strtok_r
2680
check_func_headers io.h setmode
2681
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2682
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2683
check_func_headers windows.h GetProcessTimes
2684
check_func_headers windows.h VirtualAlloc
2685

    
2686
check_header conio.h
2687
check_header dlfcn.h
2688
check_header dxva2api.h
2689
check_header malloc.h
2690
check_header poll.h
2691
check_header sys/mman.h
2692
check_header sys/resource.h
2693
check_header sys/select.h
2694
check_header termios.h
2695
check_header vdpau/vdpau.h
2696
check_header vdpau/vdpau_x11.h
2697
check_header X11/extensions/XvMClib.h
2698

    
2699
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2700

    
2701
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2702
     enabled_any $need_memalign ; then
2703
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2704
fi
2705

    
2706
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2707
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2708

    
2709
# check for some common methods of building with pthread support
2710
# do this before the optional library checks as some of them require pthreads
2711
if ! disabled pthreads && ! enabled w32threads; then
2712
    enable pthreads
2713
    if check_func pthread_create; then
2714
        :
2715
    elif check_func pthread_create -pthread; then
2716
        add_cflags -pthread
2717
        add_extralibs -pthread
2718
    elif check_func pthread_create -pthreads; then
2719
        add_cflags -pthreads
2720
        add_extralibs -pthreads
2721
    elif check_func pthread_create -lpthreadGC2; then
2722
        add_extralibs -lpthreadGC2
2723
    elif ! check_lib pthread.h pthread_create -lpthread; then
2724
        disable pthreads
2725
    fi
2726
fi
2727

    
2728
for thread in $THREADS_LIST; do
2729
    if enabled $thread; then
2730
        test -n "$thread_type" &&
2731
            die "ERROR: Only one thread type must be selected." ||
2732
            thread_type="$thread"
2733
    fi
2734
done
2735

    
2736
check_lib math.h sin -lm
2737
disabled vaapi || check_lib va/va.h vaInitialize -lva
2738

    
2739
check_mathfunc exp2
2740
check_mathfunc exp2f
2741
check_mathfunc llrint
2742
check_mathfunc llrintf
2743
check_mathfunc log2
2744
check_mathfunc log2f
2745
check_mathfunc lrint
2746
check_mathfunc lrintf
2747
check_mathfunc round
2748
check_mathfunc roundf
2749
check_mathfunc truncf
2750

    
2751
# these are off by default, so fail if requested and not available
2752
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2753
enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2754
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2755
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2756
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2757
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2758
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2759
enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2760
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2761
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2762
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2763
enabled libopencv  && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2764
                        die "ERROR: libopencv not found"; }
2765
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2766
enabled librtmp    && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2767
                        die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2768
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2769
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2770
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2771
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2772
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2773
enabled libvpx     && {
2774
    enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2775
                                die "ERROR: libvpx decoder version must be >=0.9.1"; }
2776
    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2777
                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2778
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2779
                      { check_cpp_condition x264.h "X264_BUILD >= 99" ||
2780
                        die "ERROR: libx264 version must be >= 0.99."; }
2781
enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2782
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2783
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2784

    
2785
# libdc1394 check
2786
if enabled libdc1394; then
2787
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2788
        enable libdc1394_2; } ||
2789
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2790
        enable libdc1394_1; } ||
2791
    die "ERROR: No version of libdc1394 found "
2792
fi
2793

    
2794
SDL_CONFIG="${cross_prefix}sdl-config"
2795
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2796
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2797
    sdl_libs=$("${SDL_CONFIG}" --libs)
2798
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2799
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2800
    enable sdl &&
2801
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2802
fi
2803

    
2804
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2805

    
2806
if enabled network; then
2807
    check_type "sys/types.h sys/socket.h" socklen_t
2808
    check_type netdb.h "struct addrinfo"
2809
    check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2810
    check_type netinet/in.h "struct sockaddr_in6"
2811
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2812
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2813
    # Prefer arpa/inet.h over winsock2
2814
    if check_header arpa/inet.h ; then
2815
        check_func closesocket
2816
    elif check_header winsock2.h ; then
2817
        check_func_headers winsock2.h closesocket -lws2 && \
2818
            network_extralibs="-lws2" || \
2819
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2820
            network_extralibs="-lws2_32"; }
2821
        check_type ws2tcpip.h socklen_t
2822
        check_type ws2tcpip.h "struct addrinfo"
2823
        check_type ws2tcpip.h "struct ipv6_mreq"
2824
        check_type ws2tcpip.h "struct sockaddr_in6"
2825
        check_type ws2tcpip.h "struct sockaddr_storage"
2826
        check_struct winsock2.h "struct sockaddr" sa_len
2827
    else
2828
        disable network
2829
    fi
2830
fi
2831

    
2832
check_header linux/videodev.h
2833
check_header linux/videodev2.h
2834
check_header sys/videoio.h
2835

    
2836
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2837
# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2838
# w32api 3.12 had it defined wrong
2839
check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2840

    
2841
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2842
{ check_header dev/bktr/ioctl_meteor.h &&
2843
  check_header dev/bktr/ioctl_bt848.h; } ||
2844
{ check_header machine/ioctl_meteor.h &&
2845
  check_header machine/ioctl_bt848.h; } ||
2846
{ check_header dev/video/meteor/ioctl_meteor.h &&
2847
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2848
check_header dev/ic/bt8xx.h
2849

    
2850
check_header sys/soundcard.h
2851
check_header soundcard.h
2852

    
2853
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2854

    
2855
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2856

    
2857
enabled x11grab                         &&
2858
check_header X11/Xlib.h                 &&
2859
check_header X11/extensions/XShm.h      &&
2860
check_header X11/extensions/Xfixes.h    &&
2861
check_func XOpenDisplay -lX11           &&
2862
check_func XShmCreateImage -lX11 -lXext &&
2863
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2864

    
2865
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2866
check_cpp_condition \
2867
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2868
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2869
      disable vdpau; }
2870
fi
2871

    
2872
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2873

    
2874
# add some useful compiler flags if supported
2875
check_cflags -Wdeclaration-after-statement
2876
check_cflags -Wall
2877
check_cflags -Wno-parentheses
2878
check_cflags -Wno-switch
2879
check_cflags -Wdisabled-optimization
2880
check_cflags -Wpointer-arith
2881
check_cflags -Wredundant-decls
2882
check_cflags -Wno-pointer-sign
2883
check_cflags -Wcast-qual
2884
check_cflags -Wwrite-strings
2885
check_cflags -Wtype-limits
2886
check_cflags -Wundef
2887
check_cflags -Wmissing-prototypes
2888
enabled extra_warnings && check_cflags -Winline
2889

    
2890
# add some linker flags
2891
check_ldflags -Wl,--warn-common
2892
check_ldflags -Wl,--as-needed
2893
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'
2894
check_ldflags -Wl,-Bsymbolic
2895

    
2896
echo "X{};" > $TMPV
2897
if test_ldflags -Wl,--version-script,$TMPV; then
2898
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2899
    check_cc <<EOF && enable symver_asm_label
2900
void ff_foo(void) __asm__ ("av_foo@VERSION");
2901
void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2902
EOF
2903
    check_cc <<EOF && enable symver_gnu_asm
2904
__asm__(".symver ff_foo,av_foo@VERSION");
2905
void ff_foo(void) {}
2906
EOF
2907
fi
2908

    
2909
if enabled small; then
2910
    add_cflags $size_cflags
2911
    optimizations="small"
2912
elif enabled optimizations; then
2913
    add_cflags $speed_cflags
2914
else
2915
    add_cflags $noopt_cflags
2916
fi
2917
check_cflags -fno-math-errno
2918
check_cflags -fno-signed-zeros
2919

    
2920
if enabled icc; then
2921
    # Just warnings, no remarks
2922
    check_cflags -w1
2923
    # -wd: Disable following warnings
2924
    # 144, 167, 556: -Wno-pointer-sign
2925
    # 10006: ignoring unknown option -fno-signed-zeros
2926
    # 10148: ignoring unknown option -Wno-parentheses
2927
    # 10156: ignoring option '-W'; no argument required
2928
    check_cflags -wd144,167,556,10006,10148,10156
2929
    # 11030: Warning unknown option --as-needed
2930
    # 10156: ignoring option '-export'; no argument required
2931
    check_ldflags -wd10156,11030
2932
    # Allow to compile with optimizations
2933
    check_ldflags -march=$cpu
2934
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2935
    enable ebp_available
2936
    if enabled x86_32; then
2937
        test ${icc_version%%.*} -ge 11 && \
2938
            check_cflags -falign-stack=maintain-16-byte || \
2939
            disable aligned_stack
2940
    fi
2941
elif enabled ccc; then
2942
    # disable some annoying warnings
2943
    add_cflags -msg_disable cvtu32to64
2944
    add_cflags -msg_disable embedcomment
2945
    add_cflags -msg_disable needconstext
2946
    add_cflags -msg_disable nomainieee
2947
    add_cflags -msg_disable ptrmismatch1
2948
    add_cflags -msg_disable unreachcode
2949
elif enabled gcc; then
2950
    check_cflags -fno-tree-vectorize
2951
    check_cflags -Werror=implicit-function-declaration
2952
    check_cflags -Werror=missing-prototypes
2953
elif enabled llvm_gcc; then
2954
    check_cflags -mllvm -stack-alignment=16
2955
elif enabled clang; then
2956
    check_cflags -mllvm -stack-alignment=16
2957
    check_cflags -Qunused-arguments
2958
elif enabled armcc; then
2959
    # 2523: use of inline assembler is deprecated
2960
    add_cflags -W${armcc_opt},--diag_suppress=2523
2961
    add_cflags -W${armcc_opt},--diag_suppress=1207
2962
elif enabled tms470; then
2963
    add_cflags -pds=824 -pds=837
2964
fi
2965

    
2966
enabled_any $THREADS_LIST      && enable threads
2967

    
2968
check_deps $CONFIG_LIST       \
2969
           $CONFIG_EXTRA      \
2970
           $HAVE_LIST         \
2971
           $DECODER_LIST      \
2972
           $ENCODER_LIST      \
2973
           $HWACCEL_LIST      \
2974
           $PARSER_LIST       \
2975
           $BSF_LIST          \
2976
           $DEMUXER_LIST      \
2977
           $MUXER_LIST        \
2978
           $FILTER_LIST       \
2979
           $INDEV_LIST        \
2980
           $OUTDEV_LIST       \
2981
           $PROTOCOL_LIST     \
2982
           $ACODEC_TESTS      \
2983
           $VCODEC_TESTS      \
2984
           $LAVF_TESTS        \
2985
           $LAVFI_TESTS       \
2986
           $SEEK_TESTS        \
2987

    
2988
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2989

    
2990
echo "install prefix            $prefix"
2991
echo "source path               $source_path"
2992
echo "C compiler                $cc"
2993
echo "ARCH                      $arch ($cpu)"
2994
if test "$build_suffix" != ""; then
2995
    echo "build suffix              $build_suffix"
2996
fi
2997
if test "$extra_version" != ""; then
2998
    echo "version string suffix     $extra_version"
2999
fi
3000
echo "big-endian                ${bigendian-no}"
3001
echo "runtime cpu detection     ${runtime_cpudetect-no}"
3002
if enabled x86; then
3003
    echo "yasm                      ${yasm-no}"
3004
    echo "MMX enabled               ${mmx-no}"
3005
    echo "MMX2 enabled              ${mmx2-no}"
3006
    echo "3DNow! enabled            ${amd3dnow-no}"
3007
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
3008
    echo "SSE enabled               ${sse-no}"
3009
    echo "SSSE3 enabled             ${ssse3-no}"
3010
    echo "CMOV enabled              ${cmov-no}"
3011
    echo "CMOV is fast              ${fast_cmov-no}"
3012
    echo "EBX available             ${ebx_available-no}"
3013
    echo "EBP available             ${ebp_available-no}"
3014
    echo "10 operands supported     ${ten_operands-no}"
3015
fi
3016
if enabled arm; then
3017
    echo "ARMv5TE enabled           ${armv5te-no}"
3018
    echo "ARMv6 enabled             ${armv6-no}"
3019
    echo "ARMv6T2 enabled           ${armv6t2-no}"
3020
    echo "ARM VFP enabled           ${armvfp-no}"
3021
    echo "IWMMXT enabled            ${iwmmxt-no}"
3022
    echo "NEON enabled              ${neon-no}"
3023
fi
3024
if enabled mips; then
3025
    echo "MMI enabled               ${mmi-no}"
3026
fi
3027
if enabled ppc; then
3028
    echo "AltiVec enabled           ${altivec-no}"
3029
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
3030
    echo "dcbzl available           ${dcbzl-no}"
3031
fi
3032
if enabled sparc; then
3033
    echo "VIS enabled               ${vis-no}"
3034
fi
3035
echo "debug symbols             ${debug-no}"
3036
echo "strip symbols             ${stripping-no}"
3037
echo "optimizations             ${optimizations-no}"
3038
echo "static                    ${static-no}"
3039
echo "shared                    ${shared-no}"
3040
echo "postprocessing support    ${postproc-no}"
3041
echo "new filter support        ${avfilter-no}"
3042
echo "network support           ${network-no}"
3043
echo "threading support         ${thread_type-no}"
3044
echo "SDL support               ${sdl-no}"
3045
echo "Sun medialib support      ${mlib-no}"
3046
echo "AVISynth enabled          ${avisynth-no}"
3047
echo "frei0r enabled            ${frei0r-no}"
3048
echo "libdc1394 support         ${libdc1394-no}"
3049
echo "libdirac enabled          ${libdirac-no}"
3050
echo "libfaac enabled           ${libfaac-no}"
3051
echo "libgsm enabled            ${libgsm-no}"
3052
echo "libmp3lame enabled        ${libmp3lame-no}"
3053
echo "libnut enabled            ${libnut-no}"
3054
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3055
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3056
echo "libopencv support         ${libopencv-no}"
3057
echo "libopenjpeg enabled       ${libopenjpeg-no}"
3058
echo "librtmp enabled           ${librtmp-no}"
3059
echo "libschroedinger enabled   ${libschroedinger-no}"
3060
echo "libspeex enabled          ${libspeex-no}"
3061
echo "libtheora enabled         ${libtheora-no}"
3062
echo "libvorbis enabled         ${libvorbis-no}"
3063
echo "libvpx enabled            ${libvpx-no}"
3064
echo "libx264 enabled           ${libx264-no}"
3065
echo "libxavs enabled           ${libxavs-no}"
3066
echo "libxvid enabled           ${libxvid-no}"
3067
echo "zlib enabled              ${zlib-no}"
3068
echo "bzlib enabled             ${bzlib-no}"
3069
echo
3070

    
3071
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3072
    echo "Enabled ${type}s:"
3073
    eval list=\$$(toupper $type)_LIST
3074
    print_enabled '_*' $list | sort | pr -3 -t
3075
    echo
3076
done
3077

    
3078
license="LGPL version 2.1 or later"
3079
if enabled nonfree; then
3080
    license="nonfree and unredistributable"
3081
elif enabled gplv3; then
3082
    license="GPL version 3 or later"
3083
elif enabled lgplv3; then
3084
    license="LGPL version 3 or later"
3085
elif enabled gpl; then
3086
    license="GPL version 2 or later"
3087
fi
3088

    
3089
echo "License: $license"
3090

    
3091
echo "Creating config.mak and config.h..."
3092

    
3093
# build tree in object directory if source path is different from current one
3094
if enabled source_path_used; then
3095
    DIRS="
3096
        doc
3097
        libavcodec
3098
        libavcodec/$arch
3099
        libavcore
3100
        libavdevice
3101
        libavfilter
3102
        libavfilter/$arch
3103
        libavformat
3104
        libavutil
3105
        libavutil/$arch
3106
        libpostproc
3107
        libswscale
3108
        libswscale/$arch
3109
        tests
3110
        tools
3111
    "
3112
    FILES="
3113
        Makefile
3114
        common.mak
3115
        subdir.mak
3116
        doc/texi2pod.pl
3117
        libavcodec/Makefile
3118
        libavcodec/${arch}/Makefile
3119
        libavcore/Makefile
3120
        libavdevice/Makefile
3121
        libavfilter/Makefile
3122
        libavfilter/${arch}/Makefile
3123
        libavformat/Makefile
3124
        libavutil/Makefile
3125
        libpostproc/Makefile
3126
        libswscale/Makefile
3127
    "
3128
    map 'mkdir -p $v' $DIRS;
3129
    map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3130
fi
3131

    
3132
enabled stripping || strip="echo skipping strip"
3133

    
3134
config_files="$TMPH config.mak"
3135

    
3136
cat > config.mak <<EOF
3137
# Automatically generated by configure - do not modify!
3138
ifndef FFMPEG_CONFIG_MAK
3139
FFMPEG_CONFIG_MAK=1
3140
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3141
prefix=$prefix
3142
LIBDIR=\$(DESTDIR)$libdir
3143
SHLIBDIR=\$(DESTDIR)$shlibdir
3144
INCDIR=\$(DESTDIR)$incdir
3145
BINDIR=\$(DESTDIR)$bindir
3146
DATADIR=\$(DESTDIR)$datadir
3147
MANDIR=\$(DESTDIR)$mandir
3148
SRC_PATH="$source_path"
3149
SRC_PATH_BARE=$source_path
3150
BUILD_ROOT="$PWD"
3151
CC_IDENT=$cc_ident
3152
ARCH=$arch
3153
CC=$cc
3154
AS=$as
3155
LD=$ld
3156
DEPCC=$dep_cc
3157
YASM=$yasmexe
3158
YASMDEP=$yasmexe
3159
AR=$ar
3160
RANLIB=$ranlib
3161
CP=cp -p
3162
LN_S=$ln_s
3163
STRIP=$strip
3164
CPPFLAGS=$CPPFLAGS
3165
CFLAGS=$CFLAGS
3166
ASFLAGS=$ASFLAGS
3167
CC_O=$CC_O
3168
LDFLAGS=$LDFLAGS
3169
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3170
SHFLAGS=$SHFLAGS
3171
YASMFLAGS=$YASMFLAGS
3172
BUILDSUF=$build_suffix
3173
FULLNAME=$FULLNAME
3174
LIBPREF=$LIBPREF
3175
LIBSUF=$LIBSUF
3176
LIBNAME=$LIBNAME
3177
SLIBPREF=$SLIBPREF
3178
SLIBSUF=$SLIBSUF
3179
EXESUF=$EXESUF
3180
EXTRA_VERSION=$extra_version
3181
DEPFLAGS=$DEPFLAGS
3182
CCDEP=$CCDEP
3183
ASDEP=$ASDEP
3184
CC_DEPFLAGS=$CC_DEPFLAGS
3185
AS_DEPFLAGS=$AS_DEPFLAGS
3186
HOSTCC=$host_cc
3187
HOSTCFLAGS=$host_cflags
3188
HOSTEXESUF=$HOSTEXESUF
3189
HOSTLDFLAGS=$host_ldflags
3190
HOSTLIBS=$host_libs
3191
TARGET_EXEC=$target_exec
3192
TARGET_PATH=$target_path
3193
SDL_LIBS=$sdl_libs
3194
SDL_CFLAGS=$sdl_cflags
3195
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3196
EXTRALIBS=$extralibs
3197
INSTALL=install
3198
LIBTARGET=${LIBTARGET}
3199
SLIBNAME=${SLIBNAME}
3200
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3201
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3202
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3203
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3204
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3205
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3206
SAMPLES=$samples
3207
EOF
3208

    
3209
get_version(){
3210
    name=$1
3211
    file=$source_path/$2
3212
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3213
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3214
    lcname=$(tolower $name)
3215
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3216
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3217
}
3218

    
3219
get_version LIBSWSCALE  libswscale/swscale.h
3220
get_version LIBPOSTPROC libpostproc/postprocess.h
3221
get_version LIBAVCODEC  libavcodec/avcodec.h
3222
get_version LIBAVCORE   libavcore/avcore.h
3223
get_version LIBAVDEVICE libavdevice/avdevice.h
3224
get_version LIBAVFORMAT libavformat/avformat.h
3225
get_version LIBAVUTIL   libavutil/avutil.h
3226
get_version LIBAVFILTER libavfilter/avfilter.h
3227

    
3228
cat > $TMPH <<EOF
3229
/* Automatically generated by configure - do not modify! */
3230
#ifndef FFMPEG_CONFIG_H
3231
#define FFMPEG_CONFIG_H
3232
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3233
#define FFMPEG_LICENSE "$(c_escape $license)"
3234
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3235
#define CC_TYPE "$cc_type"
3236
#define CC_VERSION $cc_version
3237
#define restrict $_restrict
3238
#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3239
#define EXTERN_PREFIX "${extern_prefix}"
3240
#define EXTERN_ASM ${extern_prefix}
3241
#define SLIBSUF "$SLIBSUF"
3242
EOF
3243

    
3244
test -n "$malloc_prefix" &&
3245
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3246

    
3247
if enabled small || disabled optimizations; then
3248
    echo "#undef  av_always_inline"  >> $TMPH
3249
    echo "#define av_always_inline"  >> $TMPH
3250
fi
3251

    
3252
if enabled yasm; then
3253
    append config_files $TMPASM
3254
    printf '' >$TMPASM
3255
fi
3256

    
3257
print_config ARCH_   "$config_files" $ARCH_LIST
3258
print_config HAVE_   "$config_files" $HAVE_LIST
3259
print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3260
                                     $CONFIG_EXTRA      \
3261
                                     $DECODER_LIST      \
3262
                                     $ENCODER_LIST      \
3263
                                     $HWACCEL_LIST      \
3264
                                     $PARSER_LIST       \
3265
                                     $BSF_LIST          \
3266
                                     $DEMUXER_LIST      \
3267
                                     $MUXER_LIST        \
3268
                                     $FILTER_LIST       \
3269
                                     $PROTOCOL_LIST     \
3270
                                     $INDEV_LIST        \
3271
                                     $OUTDEV_LIST       \
3272

    
3273
cat >>config.mak <<EOF
3274
ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3275
VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3276
LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3277
LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3278
SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3279
EOF
3280

    
3281
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3282
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3283

    
3284
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3285
cp_if_changed $TMPH config.h
3286
touch .config
3287

    
3288
enabled yasm && cp_if_changed $TMPASM config.asm
3289

    
3290
cat > $TMPH <<EOF
3291
/* Generated by ffconf */
3292
#ifndef AVUTIL_AVCONFIG_H
3293
#define AVUTIL_AVCONFIG_H
3294
EOF
3295

    
3296
print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3297

    
3298
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3299

    
3300
cp_if_changed $TMPH libavutil/avconfig.h
3301

    
3302
test -n "$WARNINGS" && printf "\n$WARNINGS"
3303

    
3304
# build pkg-config files
3305

    
3306
pkgconfig_generate(){
3307
name=$1
3308
shortname=${name#lib}${build_suffix}
3309
comment=$2
3310
version=$3
3311
libs=$4
3312
requires=$5
3313
enabled ${name#lib} || return 0
3314
cat <<EOF > $name/$name.pc
3315
prefix=$prefix
3316
exec_prefix=\${prefix}
3317
libdir=$libdir
3318
includedir=$incdir
3319

    
3320
Name: $name
3321
Description: $comment
3322
Version: $version
3323
Requires: $(enabled shared || echo $requires)
3324
Requires.private: $(enabled shared && echo $requires)
3325
Conflicts:
3326
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3327
Libs.private: $(enabled shared && echo $libs)
3328
Cflags: -I\${includedir}
3329
EOF
3330
cat <<EOF > $name/$name-uninstalled.pc
3331
prefix=
3332
exec_prefix=
3333
libdir=\${pcfiledir}
3334
includedir=${source_path}
3335

    
3336
Name: $name
3337
Description: $comment
3338
Version: $version
3339
Requires: $requires
3340
Conflicts:
3341
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3342
Cflags: -I\${includedir}
3343
EOF
3344
}
3345

    
3346
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3347
pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3348
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3349
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3350
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3351
pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3352
pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3353
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"