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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
64
  --logfile=FILE           log tests and output to FILE [config.err]
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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-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-avformat       disable libavformat build
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  --disable-swscale        disable libswscale build
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  --enable-postproc        enable GPLed postprocessing support [no]
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  --enable-avfilter        video filter support [no]
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  --enable-avfilter-lavf   video filters dependent on avformat [no]
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  --enable-beosthreads     use BeOS threads [no]
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  --enable-os2threads      use OS/2 threads [no]
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  --enable-pthreads        use pthreads [no]
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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]
100
  --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
103
  --enable-small           optimize for size instead of speed
104
  --disable-aandct         disable AAN DCT code
105
  --disable-dct            disable DCT code
106
  --disable-fft            disable FFT code
107
  --disable-golomb         disable Golomb code
108
  --disable-lpc            disable LPC code
109
  --disable-mdct           disable MDCT code
110
  --disable-rdft           disable RDFT code
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  --disable-vaapi          disable VAAPI code
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  --disable-vdpau          disable VDPAU code
113
  --disable-dxva2          disable DXVA2 code
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  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
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  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
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  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
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  --enable-beos-netserver  enable BeOS netserver
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  --disable-encoder=NAME   disable encoder NAME
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  --enable-encoder=NAME    enable encoder NAME
120
  --disable-encoders       disable all encoders
121
  --disable-decoder=NAME   disable decoder NAME
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  --enable-decoder=NAME    enable decoder NAME
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  --disable-decoders       disable all decoders
124
  --disable-hwaccel=NAME   disable hwaccel NAME
125
  --enable-hwaccel=NAME    enable hwaccel NAME
126
  --disable-hwaccels       disable all hwaccels
127
  --disable-muxer=NAME     disable muxer NAME
128
  --enable-muxer=NAME      enable muxer NAME
129
  --disable-muxers         disable all muxers
130
  --disable-demuxer=NAME   disable demuxer NAME
131
  --enable-demuxer=NAME    enable demuxer NAME
132
  --disable-demuxers       disable all demuxers
133
  --enable-parser=NAME     enable parser NAME
134
  --disable-parser=NAME    disable parser NAME
135
  --disable-parsers        disable all parsers
136
  --enable-bsf=NAME        enable bitstream filter NAME
137
  --disable-bsf=NAME       disable bitstream filter NAME
138
  --disable-bsfs           disable all bitstream filters
139
  --enable-protocol=NAME   enable protocol NAME
140
  --disable-protocol=NAME  disable protocol NAME
141
  --disable-protocols      disable all protocols
142
  --disable-indev=NAME     disable input device NAME
143
  --disable-outdev=NAME    disable output device NAME
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  --disable-indevs         disable input devices
145
  --disable-outdevs        disable output devices
146
  --disable-devices        disable all devices
147
  --enable-filter=NAME     enable filter NAME
148
  --disable-filter=NAME    disable filter NAME
149
  --disable-filters        disable all filters
150
  --list-decoders          show all available decoders
151
  --list-encoders          show all available encoders
152
  --list-hwaccels          show all available hardware accelerators
153
  --list-muxers            show all available muxers
154
  --list-demuxers          show all available demuxers
155
  --list-parsers           show all available parsers
156
  --list-protocols         show all available protocols
157
  --list-bsfs              show all available bitstream filters
158
  --list-indevs            show all available input devices
159
  --list-outdevs           show all available output devices
160
  --list-filters           show all available filters
161

    
162
External library support:
163
  --enable-avisynth        enable reading of AVISynth script files [no]
164
  --enable-bzlib           enable bzlib [autodetect]
165
  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
166
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
167
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
168
                           and libraw1394 [no]
169
  --enable-libdirac        enable Dirac support via libdirac [no]
170
  --enable-libfaac         enable FAAC support via libfaac [no]
171
  --enable-libfaad         enable FAAD support via libfaad [no]
172
  --enable-libfaadbin      open libfaad.so.0 at runtime [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-libschroedinger enable Dirac support via libschroedinger [no]
179
  --enable-libspeex        enable Speex decoding via libspeex [no]
180
  --enable-libtheora       enable Theora encoding via libtheora [no]
181
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
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                           native implementation exists [no]
183
  --enable-libx264         enable H.264 encoding via x264 [no]
184
  --enable-libxvid         enable Xvid encoding via xvidcore,
185
                           native MPEG-4/Xvid encoder exists [no]
186
  --enable-mlib            enable Sun medialib [no]
187
  --enable-zlib            enable zlib [autodetect]
188

    
189
Advanced options (experts only):
190
  --source-path=PATH       path to source code [$source_path]
191
  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
192
  --enable-cross-compile   assume a cross-compiler is used
193
  --sysroot=PATH           root of cross-build tree
194
  --sysinclude=PATH        location of cross-build system headers
195
  --target-os=OS           compiler targets OS [$target_os]
196
  --target-exec=CMD        command to run executables on target
197
  --target-path=DIR        path to view of build directory on target
198
  --nm=NM                  use nm tool
199
  --as=AS                  use assembler AS [$as_default]
200
  --cc=CC                  use C compiler CC [$cc_default]
201
  --ld=LD                  use linker LD
202
  --host-cc=HOSTCC         use host C compiler HOSTCC
203
  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
204
  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
205
  --host-libs=HLIBS        use libs HLIBS when linking for host
206
  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
207
  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208
  --extra-libs=ELIBS       add ELIBS [$ELIBS]
209
  --extra-version=STRING   version string suffix []
210
  --build-suffix=SUFFIX    library name suffix []
211
  --arch=ARCH              select architecture [$arch]
212
  --cpu=CPU                select the minimum required CPU (affects
213
                           instruction selection, may crash on older CPUs)
214
  --enable-powerpc-perf    enable performance report on PPC
215
                           (requires enabling PMC)
216
  --disable-asm            disable all assembler optimizations
217
  --disable-altivec        disable AltiVec optimizations
218
  --disable-amd3dnow       disable 3DNow! optimizations
219
  --disable-amd3dnowext    disable 3DNow! extended optimizations
220
  --disable-mmx            disable MMX optimizations
221
  --disable-mmx2           disable MMX2 optimizations
222
  --disable-sse            disable SSE optimizations
223
  --disable-ssse3          disable SSSE3 optimizations
224
  --disable-armv5te        disable armv5te optimizations
225
  --disable-armv6          disable armv6 optimizations
226
  --disable-armv6t2        disable armv6t2 optimizations
227
  --disable-armvfp         disable ARM VFP optimizations
228
  --disable-iwmmxt         disable iwmmxt optimizations
229
  --disable-mmi            disable MMI optimizations
230
  --disable-neon           disable neon optimizations
231
  --disable-vis            disable VIS optimizations
232
  --disable-yasm           disable use of yasm assembler
233
  --enable-pic             build position-independent code
234
  --malloc-prefix=PFX      prefix malloc and related names with PFX
235
  --enable-sram            allow use of on-chip SRAM
236

    
237
Developer options (useful when working on FFmpeg itself):
238
  --disable-debug          disable debugging symbols
239
  --enable-debug=LEVEL     set the debug level [$debuglevel]
240
  --enable-gprof           enable profiling with gprof [$gprof]
241
  --disable-optimizations  disable compiler optimizations
242
  --enable-extra-warnings  enable more compiler warnings
243
  --disable-stripping      disable stripping of executables and shared libraries
244

    
245
NOTE: Object files are built at the place where configure is launched.
246
EOF
247
  exit 0
248
}
249

    
250
log(){
251
    echo "$@" >> $logfile
252
}
253

    
254
log_file(){
255
    log BEGIN $1
256
    pr -n -t $1 >> $logfile
257
    log END $1
258
}
259

    
260
echolog(){
261
    log "$@"
262
    echo "$@"
263
}
264

    
265
die(){
266
    echolog "$@"
267
    cat <<EOF
268

    
269
If you think configure made a mistake, make sure you are using the latest
270
version from SVN.  If the latest version fails, report the problem to the
271
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
272
EOF
273
    if disabled logging; then
274
        cat <<EOF
275
Rerun configure with logging enabled (do not use --disable-logging), and
276
include the log this produces with your report.
277
EOF
278
    else
279
cat <<EOF
280
Include the log file "$logfile" produced by configure as this will help
281
solving the problem.
282
EOF
283
    fi
284
    exit 1
285
}
286

    
287
# Avoid locale weirdness, besides we really just want to translate ASCII.
288
toupper(){
289
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
290
}
291

    
292
tolower(){
293
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
294
}
295

    
296
c_escape(){
297
    echo "$*" | sed 's/["\\]/\\\0/g'
298
}
299

    
300
sh_quote(){
301
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
302
    test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
303
    echo "$v"
304
}
305

    
306
filter(){
307
    pat=$1
308
    shift
309
    for v; do
310
        eval "case $v in $pat) echo $v ;; esac"
311
    done
312
}
313

    
314
set_all(){
315
    value=$1
316
    shift
317
    for var in $*; do
318
        eval $var=$value
319
    done
320
}
321

    
322
set_weak(){
323
    value=$1
324
    shift
325
    for var; do
326
        eval : \${$var:=$value}
327
    done
328
}
329

    
330
pushvar(){
331
    for var in $*; do
332
        eval level=\${${var}_level:=0}
333
        eval ${var}_${level}="\$$var"
334
        eval ${var}_level=$(($level+1))
335
    done
336
}
337

    
338
popvar(){
339
    for var in $*; do
340
        eval level=\${${var}_level:-0}
341
        test $level = 0 && continue
342
        eval level=$(($level-1))
343
        eval $var="\${${var}_${level}}"
344
        eval ${var}_level=$level
345
        eval unset ${var}_${level}
346
    done
347
}
348

    
349
enable(){
350
    set_all yes $*
351
}
352

    
353
disable(){
354
    set_all no $*
355
}
356

    
357
enable_weak(){
358
    set_weak yes $*
359
}
360

    
361
disable_weak(){
362
    set_weak no $*
363
}
364

    
365
enable_safe(){
366
    for var; do
367
        enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
368
    done
369
}
370

    
371
disable_safe(){
372
    for var; do
373
        disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
374
    done
375
}
376

    
377
do_enable_deep(){
378
    for var; do
379
        enabled $var && continue
380
        eval sel="\$${var}_select"
381
        eval sgs="\$${var}_suggest"
382
        pushvar var sgs
383
        enable_deep $sel
384
        popvar sgs
385
        enable_deep_weak $sgs
386
        popvar var
387
    done
388
}
389

    
390
enable_deep(){
391
    do_enable_deep $*
392
    enable $*
393
}
394

    
395
enable_deep_weak(){
396
    do_enable_deep $*
397
    enable_weak $*
398
}
399

    
400
enabled(){
401
    test "${1#!}" = "$1" && op== || op=!=
402
    eval test "x\$${1#!}" $op "xyes"
403
}
404

    
405
disabled(){
406
    test "${1#!}" = "$1" && op== || op=!=
407
    eval test "x\$${1#!}" $op "xno"
408
}
409

    
410
enabled_all(){
411
    for opt; do
412
        enabled $opt || return 1
413
    done
414
}
415

    
416
disabled_all(){
417
    for opt; do
418
        disabled $opt || return 1
419
    done
420
}
421

    
422
enabled_any(){
423
    for opt; do
424
        enabled $opt && return 0
425
    done
426
}
427

    
428
disabled_any(){
429
    for opt; do
430
        disabled $opt && return 0
431
    done
432
    return 1
433
}
434

    
435
set_default(){
436
    for opt; do
437
        eval : \${$opt:=\$${opt}_default}
438
    done
439
}
440

    
441
is_in(){
442
    value=$1
443
    shift
444
    for var in $*; do
445
        [ $var = $value ] && return 0
446
    done
447
    return 1
448
}
449

    
450
check_deps(){
451
    for cfg; do
452
        cfg="${cfg#!}"
453
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
454
        disabled ${cfg}_checking && continue
455
        enable ${cfg}_checking
456

    
457
        eval dep_all="\$${cfg}_deps"
458
        eval dep_any="\$${cfg}_deps_any"
459
        eval dep_sel="\$${cfg}_select"
460
        eval dep_sgs="\$${cfg}_suggest"
461
        eval dep_ifa="\$${cfg}_if"
462
        eval dep_ifn="\$${cfg}_if_any"
463

    
464
        pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
465
        check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
466
        popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
467

    
468
        [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
469
        [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
470
        enabled_all  $dep_all || disable $cfg
471
        enabled_any  $dep_any || disable $cfg
472
        disabled_any $dep_sel && disable $cfg
473

    
474
        if enabled $cfg; then
475
            eval dep_extralibs="\$${cfg}_extralibs"
476
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
477
            enable_deep $dep_sel
478
            enable_deep_weak $dep_sgs
479
        fi
480

    
481
        disable ${cfg}_checking
482
    done
483
}
484

    
485
print_config(){
486
    pfx=$1
487
    header=$2
488
    makefile=$3
489
    shift 3
490
    for cfg; do
491
        ucname="$(toupper $cfg)"
492
        if enabled $cfg; then
493
            echo "#define ${pfx}${ucname} 1" >> $header
494
            echo "${pfx}${ucname}=yes" >> $makefile
495
        else
496
            echo "#define ${pfx}${ucname} 0" >> $header
497
            echo "!${pfx}${ucname}=yes" >> $makefile
498
        fi
499
    done
500
}
501

    
502
flags_saved(){
503
    (: ${SAVE_CFLAGS?}) 2> /dev/null
504
}
505

    
506
save_flags(){
507
    flags_saved && return
508
    SAVE_CFLAGS="$CFLAGS"
509
    SAVE_LDFLAGS="$LDFLAGS"
510
    SAVE_extralibs="$extralibs"
511
}
512

    
513
restore_flags(){
514
    flags_saved || return
515
    CFLAGS="$SAVE_CFLAGS"
516
    LDFLAGS="$SAVE_LDFLAGS"
517
    extralibs="$SAVE_extralibs"
518
    unset SAVE_CFLAGS
519
    unset SAVE_LDFLAGS
520
    unset SAVE_extralibs
521
}
522

    
523
temp_cflags(){
524
    save_flags
525
    CFLAGS="$CFLAGS $*"
526
}
527

    
528
temp_ldflags(){
529
    save_flags
530
    LDFLAGS="$LDFLAGS $*"
531
}
532

    
533
temp_extralibs(){
534
    save_flags
535
    extralibs="$extralibs $*"
536
}
537

    
538
append(){
539
    var=$1
540
    shift
541
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
542
    eval "$var=\"\$$var $*\""
543
}
544

    
545
add_cppflags(){
546
    append CPPFLAGS $($filter_cppflags "$@")
547
}
548

    
549
add_cflags(){
550
    append CFLAGS $($filter_cflags "$@")
551
}
552

    
553
add_asflags(){
554
    append ASFLAGS $($filter_asflags "$@")
555
}
556

    
557
add_ldflags(){
558
    append LDFLAGS "$@"
559
}
560

    
561
add_extralibs(){
562
    append extralibs "$@"
563
}
564

    
565
check_cmd(){
566
    log "$@"
567
    "$@" >> $logfile 2>&1
568
}
569

    
570
check_cc(){
571
    log check_cc "$@"
572
    cat > $TMPC
573
    log_file $TMPC
574
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
575
}
576

    
577
check_cpp(){
578
    log check_cpp "$@"
579
    cat > $TMPC
580
    log_file $TMPC
581
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
582
}
583

    
584
check_as(){
585
    log check_as "$@"
586
    cat > $TMPC
587
    log_file $TMPC
588
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
589
}
590

    
591
check_asm(){
592
    log check_asm "$@"
593
    name="$1"
594
    code="$2"
595
    shift 2
596
    disable $name
597
    check_as "$@" <<EOF && enable $name
598
void foo(void){ __asm__ volatile($code); }
599
EOF
600
}
601

    
602
check_yasm(){
603
    log check_yasm "$@"
604
    echo "$1" > $TMPS
605
    log_file $TMPS
606
    shift 1
607
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
608
}
609

    
610
check_ld(){
611
    log check_ld "$@"
612
    flags=''
613
    libs=''
614
    for f; do
615
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
616
    done
617
    check_cc $($filter_cflags $flags) || return
618
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
619
}
620

    
621
check_cppflags(){
622
    log check_cppflags "$@"
623
    set -- $($filter_cppflags "$@")
624
    check_cc "$@" <<EOF && append CPPFLAGS "$@"
625
int x;
626
EOF
627
}
628

    
629
check_cflags(){
630
    log check_cflags "$@"
631
    set -- $($filter_cflags "$@")
632
    check_cc "$@" <<EOF && append CFLAGS "$@"
633
int x;
634
EOF
635
}
636

    
637
test_ldflags(){
638
    log test_ldflags "$@"
639
    check_ld "$@" <<EOF
640
int main(void){ return 0; }
641
EOF
642
}
643

    
644
check_ldflags(){
645
    log check_ldflags "$@"
646
    test_ldflags "$@" && add_ldflags "$@"
647
}
648

    
649
check_header(){
650
    log check_header "$@"
651
    header=$1
652
    shift
653
    disable_safe $header
654
    check_cpp "$@" <<EOF && enable_safe $header
655
#include <$header>
656
int x;
657
EOF
658
}
659

    
660
check_func(){
661
    log check_func "$@"
662
    func=$1
663
    shift
664
    disable $func
665
    check_ld "$@" <<EOF && enable $func
666
extern int $func();
667
int main(void){ $func(); }
668
EOF
669
}
670

    
671
check_mathfunc(){
672
    log check_mathfunc "$@"
673
    func=$1
674
    shift
675
    disable $func
676
    check_ld "$@" <<EOF && enable $func
677
#include <math.h>
678
float foo(float f) { return $func(f); }
679
int main(void){ return 0; }
680
EOF
681
}
682

    
683
check_func_headers(){
684
    log check_func_headers "$@"
685
    headers=$1
686
    func=$2
687
    shift 2
688
    disable $func
689
    incs=""
690
    for hdr in $headers; do
691
        incs="$incs
692
#include <$hdr>"
693
    done
694
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
695
$incs
696
int main(int argc, char **argv){
697
    return (long) $func;
698
}
699
EOF
700
}
701

    
702
check_cpp_condition(){
703
    log check_cpp_condition "$@"
704
    header=$1
705
    condition=$2
706
    shift 2
707
    check_cpp $($filter_cppflags "$@") <<EOF
708
#include <$header>
709
#if !($condition)
710
#error "unsatisfied condition: $condition"
711
#endif
712
EOF
713
}
714

    
715
check_lib(){
716
    log check_lib "$@"
717
    header="$1"
718
    func="$2"
719
    shift 2
720
    temp_extralibs "$@"
721
    check_header $header && check_func $func && add_extralibs "$@"
722
    err=$?
723
    restore_flags
724
    return $err
725
}
726

    
727
check_lib2(){
728
    log check_lib2 "$@"
729
    headers="$1"
730
    func="$2"
731
    shift 2
732
    check_func_headers "$headers" $func "$@" && add_extralibs "$@"
733
}
734

    
735
check_exec(){
736
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
737
}
738

    
739
check_exec_crash(){
740
    code=$(cat)
741

    
742
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
743
    # are safe but may not be available everywhere.  Thus we use
744
    # raise(SIGTERM) instead.  The check is run in a subshell so we
745
    # can redirect the "Terminated" message from the shell.  SIGBUS
746
    # is not defined by standard C so it is used conditionally.
747

    
748
    (check_exec "$@") >> $logfile 2>&1 <<EOF
749
#include <signal.h>
750
static void sighandler(int sig){
751
    raise(SIGTERM);
752
}
753
int main(void){
754
    signal(SIGILL, sighandler);
755
    signal(SIGFPE, sighandler);
756
    signal(SIGSEGV, sighandler);
757
#ifdef SIGBUS
758
    signal(SIGBUS, sighandler);
759
#endif
760
    { $code }
761
}
762
EOF
763
}
764

    
765
check_type(){
766
    log check_type "$@"
767
    headers=$1
768
    type=$2
769
    shift 2
770
    disable_safe "$type"
771
    incs=""
772
    for hdr in $headers; do
773
        incs="$incs
774
#include <$hdr>"
775
    done
776
    check_cc "$@" <<EOF && enable_safe "$type"
777
$incs
778
$type v;
779
EOF
780
}
781

    
782
check_struct(){
783
    log check_type "$@"
784
    headers=$1
785
    struct=$2
786
    member=$3
787
    shift 3
788
    disable_safe "${struct}_${member}"
789
    incs=""
790
    for hdr in $headers; do
791
        incs="$incs
792
#include <$hdr>"
793
    done
794
    check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
795
$incs
796
const void *p = &(($struct *)0)->$member;
797
EOF
798
}
799

    
800
require(){
801
    name="$1"
802
    header="$2"
803
    func="$3"
804
    shift 3
805
    check_lib $header $func "$@" || die "ERROR: $name not found"
806
}
807

    
808
require2(){
809
    name="$1"
810
    headers="$2"
811
    func="$3"
812
    shift 3
813
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
814
}
815

    
816
check_foo_config(){
817
    cfg=$1
818
    pkg=$2
819
    header=$3
820
    func=$4
821
    shift 4
822
    disable $cfg
823
    check_cmd ${pkg}-config --version
824
    err=$?
825
    if test "$err" = 0; then
826
        temp_cflags $(${pkg}-config --cflags)
827
        temp_extralibs $(${pkg}-config --libs)
828
        check_lib "$@" $header $func && enable $cfg
829
    fi
830
    return $err
831
}
832

    
833
check_host_cc(){
834
    log check_host_cc "$@"
835
    cat > $TMPC
836
    log_file $TMPC
837
    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
838
}
839

    
840
check_host_cflags(){
841
    log check_host_cflags "$@"
842
    check_host_cc "$@" <<EOF && append host_cflags "$@"
843
int x;
844
EOF
845
}
846

    
847
apply(){
848
    file=$1
849
    shift
850
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
851
}
852

    
853
cp_if_changed(){
854
    cmp -s "$1" "$2" &&
855
        echo "$2 is unchanged" ||
856
        cp -f "$1" "$2"
857
}
858

    
859
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
860
# system-dependent things.
861

    
862
COMPONENT_LIST="
863
    bsfs
864
    decoders
865
    demuxers
866
    encoders
867
    filters
868
    hwaccels
869
    indevs
870
    muxers
871
    outdevs
872
    parsers
873
    protocols
874
"
875

    
876
CONFIG_LIST="
877
    $COMPONENT_LIST
878
    aandct
879
    avcodec
880
    avdevice
881
    avfilter
882
    avfilter_lavf
883
    avformat
884
    avisynth
885
    beos_netserver
886
    bzlib
887
    dct
888
    doc
889
    dxva2
890
    fastdiv
891
    ffmpeg
892
    ffplay
893
    ffserver
894
    fft
895
    golomb
896
    gpl
897
    gprof
898
    gray
899
    hardcoded_tables
900
    libdc1394
901
    libdirac
902
    libfaac
903
    libfaad
904
    libfaadbin
905
    libgsm
906
    libmp3lame
907
    libnut
908
    libopencore_amrnb
909
    libopencore_amrwb
910
    libopenjpeg
911
    libschroedinger
912
    libspeex
913
    libtheora
914
    libvorbis
915
    libx264
916
    libxvid
917
    lpc
918
    mdct
919
    memalign_hack
920
    mlib
921
    mpegaudio_hp
922
    network
923
    nonfree
924
    pic
925
    postproc
926
    powerpc_perf
927
    rdft
928
    runtime_cpudetect
929
    shared
930
    small
931
    sram
932
    static
933
    swscale
934
    swscale_alpha
935
    vaapi
936
    vdpau
937
    version3
938
    x11grab
939
    zlib
940
"
941

    
942
THREADS_LIST='
943
    beosthreads
944
    os2threads
945
    pthreads
946
    w32threads
947
'
948

    
949
ARCH_LIST='
950
    alpha
951
    arm
952
    avr32
953
    avr32_ap
954
    avr32_uc
955
    bfin
956
    ia64
957
    m68k
958
    mips
959
    mips64
960
    parisc
961
    ppc
962
    ppc64
963
    s390
964
    sh4
965
    sparc
966
    sparc64
967
    x86
968
    x86_32
969
    x86_64
970
'
971

    
972
ARCH_EXT_LIST='
973
    altivec
974
    amd3dnow
975
    amd3dnowext
976
    armv5te
977
    armv6
978
    armv6t2
979
    armvfp
980
    iwmmxt
981
    mmi
982
    mmx
983
    mmx2
984
    neon
985
    ppc4xx
986
    sse
987
    ssse3
988
    vis
989
'
990

    
991
HAVE_LIST_PUB='
992
    bigendian
993
'
994

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

    
1080
# options emitted with CONFIG_ prefix but not available on command line
1081
CONFIG_EXTRA="
1082
    avutil
1083
    gplv3
1084
    lgplv3
1085
"
1086

    
1087
CMDLINE_SELECT="
1088
    $ARCH_EXT_LIST
1089
    $CONFIG_LIST
1090
    $THREADS_LIST
1091
    asm
1092
    cross_compile
1093
    debug
1094
    extra_warnings
1095
    logging
1096
    optimizations
1097
    stripping
1098
    yasm
1099
"
1100

    
1101
PATHS_LIST='
1102
    bindir
1103
    datadir
1104
    incdir
1105
    libdir
1106
    mandir
1107
    prefix
1108
    shlibdir
1109
'
1110

    
1111
CMDLINE_SET="
1112
    $PATHS_LIST
1113
    arch
1114
    as
1115
    build_suffix
1116
    cc
1117
    cpu
1118
    cross_prefix
1119
    dep_cc
1120
    extra_version
1121
    host_cc
1122
    host_cflags
1123
    host_ldflags
1124
    host_libs
1125
    host_os
1126
    ld
1127
    logfile
1128
    malloc_prefix
1129
    nm
1130
    source_path
1131
    sysinclude
1132
    sysroot
1133
    target_exec
1134
    target_os
1135
    target_path
1136
"
1137

    
1138
CMDLINE_APPEND="
1139
    extra_cflags
1140
"
1141

    
1142
# code dependency declarations
1143

    
1144
# architecture extensions
1145

    
1146
armv5te_deps="arm"
1147
armv6_deps="arm"
1148
armv6t2_deps="arm"
1149
armvfp_deps="arm"
1150
iwmmxt_deps="arm"
1151
neon_deps="arm"
1152

    
1153
mmi_deps="mips"
1154

    
1155
altivec_deps="ppc"
1156
ppc4xx_deps="ppc"
1157

    
1158
vis_deps="sparc"
1159

    
1160
x86_64_suggest="cmov fast_cmov"
1161
amd3dnow_deps="mmx"
1162
amd3dnowext_deps="amd3dnow"
1163
mmx_deps="x86"
1164
mmx2_deps="mmx"
1165
sse_deps="mmx"
1166
ssse3_deps="sse"
1167

    
1168
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1169
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1170
fast_unaligned_if_any="armv6 ppc x86"
1171

    
1172
need_memalign="altivec neon sse"
1173
inline_asm_deps="!tms470"
1174

    
1175
# subsystems
1176
mdct_select="fft"
1177
rdft_select="fft"
1178

    
1179
# decoders / encoders / hardware accelerators
1180
aac_decoder_select="mdct aac_parser"
1181
aac_encoder_select="mdct"
1182
ac3_decoder_select="mdct ac3_parser"
1183
alac_encoder_select="lpc"
1184
atrac1_decoder_select="mdct"
1185
atrac3_decoder_select="mdct"
1186
binkaudio_dct_decoder_select="mdct rdft dct"
1187
binkaudio_rdft_decoder_select="mdct rdft"
1188
cavs_decoder_select="golomb"
1189
cook_decoder_select="mdct"
1190
cscd_decoder_suggest="zlib"
1191
dca_decoder_select="mdct"
1192
dnxhd_encoder_select="aandct"
1193
dxa_decoder_select="zlib"
1194
eac3_decoder_select="ac3_decoder"
1195
eamad_decoder_select="aandct"
1196
eatgq_decoder_select="aandct"
1197
eatqi_decoder_select="aandct"
1198
ffv1_decoder_select="golomb"
1199
flac_decoder_select="golomb"
1200
flac_encoder_select="golomb lpc"
1201
flashsv_decoder_select="zlib"
1202
flashsv_encoder_select="zlib"
1203
flv_decoder_select="h263_decoder"
1204
flv_encoder_select="h263_encoder"
1205
h261_encoder_select="aandct"
1206
h263_decoder_select="h263_parser"
1207
h263_encoder_select="aandct"
1208
h263_vaapi_hwaccel_deps="va_va_h"
1209
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1210
h263i_decoder_select="h263_decoder"
1211
h263p_encoder_select="h263_encoder"
1212
h264_decoder_select="golomb"
1213
h264_dxva2_hwaccel_deps="dxva2api_h"
1214
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1215
h264_vaapi_hwaccel_deps="va_va_h"
1216
h264_vaapi_hwaccel_select="vaapi"
1217
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1218
h264_vdpau_decoder_select="vdpau h264_decoder"
1219
imc_decoder_select="fft mdct"
1220
jpegls_decoder_select="golomb"
1221
jpegls_encoder_select="golomb"
1222
ljpeg_encoder_select="aandct"
1223
loco_decoder_select="golomb"
1224
mjpeg_encoder_select="aandct"
1225
mlp_decoder_select="mlp_parser"
1226
mpeg1video_encoder_select="aandct"
1227
mpeg2video_encoder_select="aandct"
1228
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1229
mpeg4_encoder_select="h263_encoder"
1230
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1231
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1232
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1233
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1234
mpeg2_vaapi_hwaccel_deps="va_va_h"
1235
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1236
mpeg4_vaapi_hwaccel_deps="va_va_h"
1237
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1238
mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1239
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1240
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1241
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1242
msmpeg4v1_decoder_select="h263_decoder"
1243
msmpeg4v1_encoder_select="h263_encoder"
1244
msmpeg4v2_decoder_select="h263_decoder"
1245
msmpeg4v2_encoder_select="h263_encoder"
1246
msmpeg4v3_decoder_select="h263_decoder"
1247
msmpeg4v3_encoder_select="h263_encoder"
1248
nellymoser_decoder_select="mdct"
1249
nellymoser_encoder_select="mdct"
1250
png_decoder_select="zlib"
1251
png_encoder_select="zlib"
1252
qdm2_decoder_select="mdct rdft"
1253
rv10_decoder_select="h263_decoder"
1254
rv10_encoder_select="h263_encoder"
1255
rv20_decoder_select="h263_decoder"
1256
rv20_encoder_select="h263_encoder"
1257
rv30_decoder_select="golomb"
1258
rv40_decoder_select="golomb"
1259
shorten_decoder_select="golomb"
1260
sonic_decoder_select="golomb"
1261
sonic_encoder_select="golomb"
1262
sonic_ls_encoder_select="golomb"
1263
svq3_decoder_select="golomb"
1264
svq3_decoder_suggest="zlib"
1265
theora_decoder_select="vp3_decoder"
1266
tiff_decoder_suggest="zlib"
1267
tiff_encoder_suggest="zlib"
1268
truehd_decoder_select="mlp_decoder"
1269
tscc_decoder_select="zlib"
1270
twinvq_decoder_select="mdct"
1271
vc1_decoder_select="h263_decoder"
1272
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1273
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1274
vc1_vaapi_hwaccel_deps="va_va_h"
1275
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1276
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1277
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1278
vorbis_decoder_select="mdct"
1279
vorbis_encoder_select="mdct"
1280
vp6a_decoder_select="vp6_decoder"
1281
vp6f_decoder_select="vp6_decoder"
1282
wmapro_decoder_select="mdct"
1283
wmav1_decoder_select="mdct"
1284
wmav1_encoder_select="mdct"
1285
wmav2_decoder_select="mdct"
1286
wmav2_encoder_select="mdct"
1287
wmv1_decoder_select="h263_decoder"
1288
wmv1_encoder_select="h263_encoder"
1289
wmv2_decoder_select="h263_decoder"
1290
wmv2_encoder_select="h263_encoder"
1291
wmv3_decoder_select="vc1_decoder"
1292
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1293
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1294
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1295
zlib_decoder_select="zlib"
1296
zlib_encoder_select="zlib"
1297
zmbv_decoder_select="zlib"
1298
zmbv_encoder_select="zlib"
1299

    
1300
# parsers
1301
h264_parser_select="golomb"
1302

    
1303
# bitstream_filters
1304
aac_adtstoasc_bsf_select="aac_parser"
1305

    
1306
# external libraries
1307
libdirac_decoder_deps="libdirac !libschroedinger"
1308
libdirac_encoder_deps="libdirac"
1309
libfaac_encoder_deps="libfaac"
1310
libfaad_decoder_deps="libfaad"
1311
libfaadbin_decoder_extralibs='$ldl'
1312
libgsm_decoder_deps="libgsm"
1313
libgsm_encoder_deps="libgsm"
1314
libgsm_ms_decoder_deps="libgsm"
1315
libgsm_ms_encoder_deps="libgsm"
1316
libmp3lame_encoder_deps="libmp3lame"
1317
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1318
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1319
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1320
libopenjpeg_decoder_deps="libopenjpeg"
1321
libschroedinger_decoder_deps="libschroedinger"
1322
libschroedinger_encoder_deps="libschroedinger"
1323
libspeex_decoder_deps="libspeex"
1324
libtheora_encoder_deps="libtheora"
1325
libvorbis_encoder_deps="libvorbis"
1326
libx264_encoder_deps="libx264"
1327
libxvid_encoder_deps="libxvid"
1328

    
1329
# demuxers / muxers
1330
ac3_demuxer_deps="ac3_parser"
1331
asf_stream_muxer_select="asf_muxer"
1332
avisynth_demuxer_deps="avisynth"
1333
dirac_demuxer_deps="dirac_parser"
1334
eac3_demuxer_select="ac3_parser"
1335
ipod_muxer_select="mov_muxer"
1336
libnut_demuxer_deps="libnut"
1337
libnut_muxer_deps="libnut"
1338
matroska_audio_muxer_select="matroska_muxer"
1339
matroska_demuxer_suggest="zlib bzlib"
1340
mov_demuxer_suggest="zlib"
1341
mp3_demuxer_deps="mpegaudio_parser"
1342
mp4_muxer_select="mov_muxer"
1343
mpegtsraw_demuxer_select="mpegts_demuxer"
1344
mxf_d10_muxer_select="mxf_muxer"
1345
ogg_demuxer_select="golomb"
1346
psp_muxer_select="mov_muxer"
1347
rtsp_demuxer_deps="sdp_demuxer"
1348
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1349
spdif_muxer_select="aac_parser"
1350
tg2_muxer_select="mov_muxer"
1351
tgp_muxer_select="mov_muxer"
1352
w64_demuxer_deps="wav_demuxer"
1353

    
1354
# indevs / outdevs
1355
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1356
alsa_indev_extralibs="-lasound"
1357
alsa_outdev_deps="alsa_asoundlib_h"
1358
alsa_outdev_extralibs="-lasound"
1359
audio_beos_indev_deps="audio_beos"
1360
audio_beos_indev_extralibs="-lmedia -lbe"
1361
audio_beos_outdev_deps="audio_beos"
1362
audio_beos_outdev_extralibs="-lmedia -lbe"
1363
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1364
dv1394_indev_deps="dv1394 dv_demuxer"
1365
jack_indev_deps="jack_jack_h"
1366
jack_indev_extralibs="-ljack"
1367
libdc1394_indev_deps="libdc1394"
1368
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1369
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1370
v4l_indev_deps="linux_videodev_h"
1371
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1372
vfwcap_indev_deps="capCreateCaptureWindow"
1373
vfwcap_indev_extralibs="-lavicap32"
1374
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1375
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1376

    
1377
# protocols
1378
gopher_protocol_deps="network"
1379
http_protocol_deps="network"
1380
rtmp_protocol_deps="tcp_protocol"
1381
rtp_protocol_deps="udp_protocol"
1382
tcp_protocol_deps="network"
1383
udp_protocol_deps="network"
1384

    
1385
# filters
1386
movie_filter_deps="avfilter_lavf"
1387
avfilter_lavf_deps="avformat"
1388

    
1389
# libraries
1390
avdevice_deps="avcodec avformat"
1391
avformat_deps="avcodec"
1392

    
1393
# programs
1394
ffmpeg_deps="avcodec avformat swscale"
1395
ffplay_deps="avcodec avformat swscale sdl"
1396
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1397
ffserver_extralibs='$ldl'
1398

    
1399
doc_deps="texi2html"
1400

    
1401
# default parameters
1402

    
1403
logfile="config.err"
1404

    
1405
# installation paths
1406
prefix_default="/usr/local"
1407
bindir_default='${prefix}/bin'
1408
datadir_default='${prefix}/share/ffmpeg'
1409
incdir_default='${prefix}/include'
1410
libdir_default='${prefix}/lib'
1411
mandir_default='${prefix}/share/man'
1412
shlibdir_default="$libdir_default"
1413

    
1414
# toolchain
1415
ar="ar"
1416
cc_default="gcc"
1417
cc_version=\"unknown\"
1418
host_cc_default="gcc"
1419
ln_s="ln -sf"
1420
nm_default="nm"
1421
objformat="elf"
1422
ranlib="ranlib"
1423
strip="strip"
1424
yasmexe="yasm"
1425

    
1426
nm_opts='-g'
1427

    
1428
# machine
1429
arch=$(uname -m)
1430
cpu="generic"
1431

    
1432
# OS
1433
target_os=$(tolower $(uname -s))
1434
host_os=$target_os
1435

    
1436
# configurable options
1437
enable avcodec
1438
enable avdevice
1439
enable avformat
1440
enable avutil
1441
enable asm
1442
enable debug
1443
enable doc
1444
enable fastdiv
1445
enable ffmpeg
1446
enable ffplay
1447
enable ffserver
1448
enable mpegaudio_hp
1449
enable network
1450
enable optimizations
1451
enable protocols
1452
enable static
1453
enable stripping
1454
enable swscale
1455
enable swscale_alpha
1456

    
1457
# build settings
1458
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1459
FFSERVERLDFLAGS=-Wl,-E
1460
LIBPREF="lib"
1461
LIBSUF=".a"
1462
FULLNAME='$(NAME)$(BUILDSUF)'
1463
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1464
SLIBPREF="lib"
1465
SLIBSUF=".so"
1466
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1467
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1468
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1469
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1470

    
1471
CC_O='-o $@'
1472

    
1473
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1474
host_libs='-lm'
1475

    
1476
target_path='$(CURDIR)'
1477

    
1478
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1479
# full relative path for objects in subdirectories for non-recursive Make.
1480
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1481
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1482

    
1483
# find source path
1484
source_path="$(dirname "$0")"
1485
enable source_path_used
1486
if test -f configure; then
1487
    source_path="$(pwd)"
1488
    disable source_path_used
1489
else
1490
    source_path="$(cd "$source_path"; pwd)"
1491
    echo "$source_path" | grep -q '[[:blank:]]' &&
1492
        die "Out of tree builds are impossible with whitespace in source path."
1493
    test -e "$source_path/config.h" &&
1494
        die "Out of tree builds are impossible with config.h in source dir."
1495
fi
1496

    
1497
for v in "$@"; do
1498
    r=${v#*=}
1499
    l=${v%"$r"}
1500
    r=$(sh_quote "$r")
1501
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1502
done
1503

    
1504
find_things(){
1505
    thing=$1
1506
    pattern=$2
1507
    file=$source_path/$3
1508
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1509
}
1510

    
1511
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1512
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1513
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1514
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1515
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1516
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1517
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1518
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1519
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1520
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1521
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1522

    
1523
enable $ARCH_EXT_LIST \
1524
       $DECODER_LIST \
1525
       $ENCODER_LIST \
1526
       $HWACCEL_LIST \
1527
       $PARSER_LIST \
1528
       $BSF_LIST \
1529
       $DEMUXER_LIST \
1530
       $MUXER_LIST \
1531
       $FILTER_LIST \
1532
       $PROTOCOL_LIST \
1533
       $INDEV_LIST \
1534
       $OUTDEV_LIST \
1535

    
1536
die_unknown(){
1537
    echo "Unknown option \"$1\"."
1538
    echo "See $0 --help for available options."
1539
    exit 1
1540
}
1541

    
1542
show_list() {
1543
    suffix=_$1
1544
    shift
1545
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1546
    exit 0
1547
}
1548

    
1549
for opt do
1550
    optval="${opt#*=}"
1551
    case "$opt" in
1552
    --extra-ldflags=*) add_ldflags $optval
1553
    ;;
1554
    --extra-libs=*) add_extralibs $optval
1555
    ;;
1556
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1557
    ;;
1558
    --enable-debug=*) debuglevel="$optval"
1559
    ;;
1560
    --enable-*=*|--disable-*=*)
1561
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1562
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1563
    eval list=\$$(toupper $thing)_LIST
1564
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1565
    $action $(filter "$name" $list)
1566
    ;;
1567
    --enable-?*|--disable-?*)
1568
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1569
    if is_in $option $COMPONENT_LIST; then
1570
        test $action = disable && action=unset
1571
        eval $action \$$(toupper ${option%s})_LIST
1572
    elif is_in $option $CMDLINE_SELECT; then
1573
        $action $option
1574
    else
1575
        die_unknown $opt
1576
    fi
1577
    ;;
1578
    --list-*)
1579
        NAME="${opt#--list-}"
1580
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1581
        NAME=${NAME%s}
1582
        eval show_list $NAME \$$(toupper $NAME)_LIST
1583
    ;;
1584
    --help|-h) show_help
1585
    ;;
1586
    *)
1587
    optname="${opt%%=*}"
1588
    optname="${optname#--}"
1589
    optname=$(echo "$optname" | sed 's/-/_/g')
1590
    if is_in $optname $CMDLINE_SET; then
1591
        eval $optname='$optval'
1592
    elif is_in $optname $CMDLINE_APPEND; then
1593
        append $optname "$optval"
1594
    else
1595
         die_unknown $opt
1596
    fi
1597
    ;;
1598
    esac
1599
done
1600

    
1601
disabled logging && logfile=/dev/null
1602

    
1603
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1604
set >> $logfile
1605

    
1606
test -n "$cross_prefix" && enable cross_compile
1607

    
1608
ar="${cross_prefix}${ar}"
1609
cc_default="${cross_prefix}${cc_default}"
1610
nm_default="${cross_prefix}${nm_default}"
1611
ranlib="${cross_prefix}${ranlib}"
1612
strip="${cross_prefix}${strip}"
1613

    
1614
sysinclude_default="${sysroot}/usr/include"
1615

    
1616
set_default cc nm sysinclude
1617
enabled cross_compile || host_cc_default=$cc
1618
set_default host_cc
1619

    
1620
exesuf() {
1621
    case $1 in
1622
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1623
    esac
1624
}
1625

    
1626
EXESUF=$(exesuf $target_os)
1627
HOSTEXESUF=$(exesuf $host_os)
1628

    
1629
# set temporary file name
1630
: ${TMPDIR:=$TEMPDIR}
1631
: ${TMPDIR:=$TMP}
1632
: ${TMPDIR:=/tmp}
1633

    
1634
if ! check_cmd type mktemp; then
1635
    # simple replacement for missing mktemp
1636
    # NOT SAFE FOR GENERAL USE
1637
    mktemp(){
1638
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1639
    }
1640
fi
1641

    
1642
tmpfile(){
1643
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1644
        (set -C; exec > $tmp) 2>/dev/null ||
1645
        die "Unable to create temporary file in $TMPDIR."
1646
    append TMPFILES $tmp
1647
    eval $1=$tmp
1648
}
1649

    
1650
trap 'rm -f -- $TMPFILES' EXIT
1651
trap exit HUP INT TERM
1652

    
1653
tmpfile TMPC  .c
1654
tmpfile TMPE  $EXESUF
1655
tmpfile TMPH  .h
1656
tmpfile TMPO  .o
1657
tmpfile TMPS  .S
1658
tmpfile TMPV  .ver
1659
tmpfile TMPSH .sh
1660

    
1661
unset -f mktemp
1662

    
1663
# make sure we can execute files in $TMPDIR
1664
cat > $TMPSH 2>> $logfile <<EOF
1665
#! /bin/sh
1666
EOF
1667
chmod +x $TMPSH >> $logfile 2>&1
1668
if ! $TMPSH >> $logfile 2>&1; then
1669
    cat <<EOF
1670
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1671
variable to another directory and make sure that it is not mounted noexec.
1672
EOF
1673
    die "Sanity test failed."
1674
fi
1675

    
1676
filter_cflags=echo
1677
filter_cppflags=echo
1678
filter_asflags=echo
1679

    
1680
if   $cc -v 2>&1 | grep -qi ^gcc; then
1681
    cc_type=gcc
1682
    cc_version=__VERSION__
1683
    if ! $cc -dumpversion | grep -q '^2\.'; then
1684
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1685
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1686
    fi
1687
    speed_cflags='-O3'
1688
    size_cflags='-Os'
1689
elif $cc --version 2>/dev/null | grep -q Intel; then
1690
    cc_type=icc
1691
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1692
    CC_DEPFLAGS='-MMD'
1693
    AS_DEPFLAGS='-MMD'
1694
    speed_cflags='-O3'
1695
    size_cflags='-Os'
1696
elif $cc -v 2>&1 | grep -q xlc; then
1697
    cc_type=xlc
1698
    cc_version="AV_STRINGIFY(__IBMC__)"
1699
    speed_cflags='-O5'
1700
    size_cflags='-O5 -qcompact'
1701
elif $cc -V 2>/dev/null | grep -q Compaq; then
1702
    cc_type=ccc
1703
    cc_version="AV_STRINGIFY(__DECC_VER)"
1704
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1705
    debuglevel=3
1706
    add_ldflags -Wl,-z,now # calls to libots crash without this
1707
    speed_cflags='-fast'
1708
    size_cflags='-O1'
1709
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1710
    test -d "$sysroot" || die "No valid sysroot specified."
1711
    cc_type=armcc
1712
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1713
    armcc_conf="$PWD/armcc.conf"
1714
    $cc --arm_linux_configure                 \
1715
        --arm_linux_config_file="$armcc_conf" \
1716
        --configure_sysroot="$sysroot"        \
1717
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1718
        die "Error creating armcc configuration file."
1719
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1720
    as_default="${cross_prefix}gcc"
1721
    CC_DEPFLAGS='-MMD'
1722
    AS_DEPFLAGS='-MMD'
1723
    speed_cflags='-O3'
1724
    size_cflags='-Os'
1725
elif $cc -version 2>/dev/null | grep -q TMS470; then
1726
    cc_type=tms470
1727
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1728
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1729
    CC_O='-fr=$(@D)'
1730
    as_default="${cross_prefix}gcc"
1731
    ld_default="${cross_prefix}gcc"
1732
    TMPO=$(basename $TMPC .c).o
1733
    append TMPFILES $TMPO
1734
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1735
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1736
    AS_DEPFLAGS='-MMD'
1737
    speed_cflags='-O3 -mf=5'
1738
    size_cflags='-O3 -mf=2'
1739
    filter_cflags=tms470_flags
1740
    tms470_flags(){
1741
        for flag; do
1742
            case $flag in
1743
                -march=*|-mcpu=*)
1744
                    case "${flag#*=}" in
1745
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1746
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1747
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1748
                        armv6*|arm11*)          echo -mv=6   ;;
1749
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1750
                                                echo -mv=5e  ;;
1751
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1752
                    esac
1753
                    ;;
1754
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1755
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1756
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1757
                -msoft-float)   echo --float_support=vfplib       ;;
1758
                -O[0-3]|-mf=*)  echo $flag                        ;;
1759
                -g)             echo -g -mn                       ;;
1760
                -pds=*)         echo $flag                        ;;
1761
            esac
1762
        done
1763
    }
1764
elif $cc -v 2>&1 | grep -q clang; then
1765
    cc_type=clang
1766
    cc_version=__VERSION__
1767
    CC_DEPFLAGS='-MMD'
1768
    AS_DEPFLAGS='-MMD'
1769
    speed_cflags='-O3'
1770
    size_cflags='-Os'
1771
elif $cc -V 2>&1 | grep -q Sun; then
1772
    cc_type=suncc
1773
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1774
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1775
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1776
    speed_cflags='-O5'
1777
    size_cflags='-O5 -xspace'
1778
    filter_cflags=suncc_flags
1779
    suncc_flags(){
1780
        for flag; do
1781
            case $flag in
1782
                -march=*|-mcpu=*)
1783
                    case "${flag#*=}" in
1784
                        native)                   echo -xtarget=native       ;;
1785
                        v9)                       echo -xarch=sparc          ;;
1786
                        ultrasparc)               echo -xarch=sparcvis       ;;
1787
                        ultrasparc3|niagara*)     echo -xarch=sparcvis2      ;;
1788
                        i586|pentium)             echo -xchip=pentium        ;;
1789
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1790
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1791
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1792
                        pentium4*)          echo -xtarget=pentium4           ;;
1793
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1794
                        *-sse3)             echo -xarch=sse3                 ;;
1795
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1796
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1797
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1798
                        k8|opteron|athlon64|athlon-fx)
1799
                                                  echo -xarch=sse2a          ;;
1800
                        athlon*)                  echo -xarch=pentium_proa   ;;
1801
                    esac
1802
                    ;;
1803
                -std=c99)             echo -xc99              ;;
1804
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1805
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1806
                -W*,*)                echo $flag              ;;
1807
                -f*-*|-W*)                                    ;;
1808
                *)                    echo $flag              ;;
1809
            esac
1810
        done
1811
    }
1812
fi
1813

    
1814
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1815

    
1816
: ${as_default:=$cc}
1817
: ${dep_cc_default:=$cc}
1818
: ${ld_default:=$cc}
1819
set_default as dep_cc ld
1820

    
1821
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1822
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1823

    
1824
add_cflags $extra_cflags
1825
add_asflags $extra_cflags
1826

    
1827
if test -n "$sysroot"; then
1828
    case "$cc_type" in
1829
        gcc)
1830
            add_cppflags --sysroot="$sysroot"
1831
            add_ldflags --sysroot="$sysroot"
1832
        ;;
1833
        tms470)
1834
            add_cppflags -I"$sysinclude"
1835
            add_ldflags  --sysroot="$sysroot"
1836
        ;;
1837
        clang)
1838
            add_cppflags -isysroot="$sysroot"
1839
            add_ldflags -isysroot="$sysroot"
1840
        ;;
1841
    esac
1842
fi
1843

    
1844
if test "$cpu" = host; then
1845
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1846

    
1847
    case "$cc_type" in
1848
        gcc)
1849
            check_native(){
1850
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1851
                sed -n "/$1=/{
1852
                            s/.*$1=\\([^ ]*\\).*/\\1/
1853
                            p
1854
                            q
1855
                        }" $TMPE
1856
            }
1857
            cpu=$(check_native -march || check_native -mcpu)
1858
        ;;
1859
    esac
1860

    
1861
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1862
fi
1863

    
1864
# Deal with common $arch aliases
1865
case "$arch" in
1866
    arm*)
1867
        arch="arm"
1868
    ;;
1869
    mips|mipsel|IP*)
1870
        arch="mips"
1871
    ;;
1872
    mips64)
1873
        arch="mips"
1874
        subarch="mips64"
1875
    ;;
1876
    parisc|hppa)
1877
        arch="parisc"
1878
    ;;
1879
    parisc64|hppa64)
1880
        arch="parisc"
1881
        subarch="parisc64"
1882
    ;;
1883
    "Power Macintosh"|ppc|powerpc)
1884
        arch="ppc"
1885
    ;;
1886
    ppc64)
1887
        arch="ppc"
1888
        subarch="ppc64"
1889
    ;;
1890
    s390|s390x)
1891
        arch="s390"
1892
    ;;
1893
    sh4|sh)
1894
        arch="sh4"
1895
    ;;
1896
    sun4u|sparc64)
1897
        arch="sparc"
1898
        subarch="sparc64"
1899
    ;;
1900
    i[3-6]86|i86pc|BePC|x86_64|amd64)
1901
        arch="x86"
1902
    ;;
1903
esac
1904

    
1905
is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1906
enable $arch
1907

    
1908
# Add processor-specific flags
1909
if test "$cpu" = generic; then
1910
    : do nothing
1911
elif enabled ppc; then
1912

    
1913
    case $(tolower $cpu) in
1914
        601|ppc601|powerpc601)
1915
            cpuflags="-mcpu=601"
1916
            disable altivec
1917
        ;;
1918
        603*|ppc603*|powerpc603*)
1919
            cpuflags="-mcpu=603"
1920
            disable altivec
1921
        ;;
1922
        604*|ppc604*|powerpc604*)
1923
            cpuflags="-mcpu=604"
1924
            disable altivec
1925
        ;;
1926
        g3|75*|ppc75*|powerpc75*)
1927
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1928
            disable altivec
1929
        ;;
1930
        g4|745*|ppc745*|powerpc745*)
1931
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1932
        ;;
1933
        74*|ppc74*|powerpc74*)
1934
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1935
        ;;
1936
        g5|970|ppc970|powerpc970|power4*)
1937
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1938
        ;;
1939
        cell)
1940
            cpuflags="-mcpu=cell"
1941
            enable ldbrx
1942
        ;;
1943
        e500v2)
1944
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1945
            disable altivec
1946
        ;;
1947
        e500)
1948
            cpuflags="-mcpu=8540 -mhard-float"
1949
            disable altivec
1950
        ;;
1951
    esac
1952

    
1953
elif enabled x86; then
1954

    
1955
    case $cpu in
1956
        i[345]86|pentium)
1957
            cpuflags="-march=$cpu"
1958
            disable mmx
1959
        ;;
1960
        # targets that do NOT support conditional mov (cmov)
1961
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1962
            cpuflags="-march=$cpu"
1963
            disable cmov
1964
        ;;
1965
        # targets that do support conditional mov (cmov)
1966
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1967
            cpuflags="-march=$cpu"
1968
            enable cmov
1969
            enable fast_cmov
1970
        ;;
1971
        # targets that do support conditional mov but on which it's slow
1972
        pentium4|pentium4m|prescott|nocona)
1973
            cpuflags="-march=$cpu"
1974
            enable cmov
1975
            disable fast_cmov
1976
        ;;
1977
    esac
1978

    
1979
elif enabled sparc; then
1980

    
1981
    case $cpu in
1982
        sparc64)
1983
            cpuflags="-mcpu=v9"
1984
        ;;
1985
    esac
1986

    
1987
elif enabled arm; then
1988

    
1989
    case $cpu in
1990
        armv*)
1991
            cpuflags="-march=$cpu"
1992
        ;;
1993
        *)
1994
            cpuflags="-mcpu=$cpu"
1995
        ;;
1996
    esac
1997

    
1998
elif enabled alpha; then
1999

    
2000
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2001

    
2002
elif enabled bfin; then
2003

    
2004
    cpuflags="-mcpu=$cpu"
2005

    
2006
elif enabled mips; then
2007

    
2008
    cpuflags="-march=$cpu"
2009

    
2010
elif enabled avr32; then
2011

    
2012
    case $cpu in
2013
        ap7[02]0[0-2])
2014
            subarch="avr32_ap"
2015
            cpuflags="-mpart=$cpu"
2016
        ;;
2017
        ap)
2018
            subarch="avr32_ap"
2019
            cpuflags="-march=$cpu"
2020
        ;;
2021
        uc3[ab]*)
2022
            subarch="avr32_uc"
2023
            cpuflags="-mcpu=$cpu"
2024
        ;;
2025
        uc)
2026
            subarch="avr32_uc"
2027
            cpuflags="-march=$cpu"
2028
        ;;
2029
    esac
2030

    
2031
fi
2032

    
2033
add_cflags $cpuflags
2034
add_asflags $cpuflags
2035

    
2036
# compiler sanity check
2037
check_exec <<EOF
2038
int main(void){ return 0; }
2039
EOF
2040
if test "$?" != 0; then
2041
    echo "$cc is unable to create an executable file."
2042
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2043
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2044
        echo "Only do this if you know what cross compiling means."
2045
    fi
2046
    die "C compiler test failed."
2047
fi
2048

    
2049
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2050
check_cflags -std=c99
2051
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2052
#include <stdlib.h>
2053
EOF
2054
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2055
#include <stdlib.h>
2056
EOF
2057

    
2058
check_host_cflags -std=c99
2059

    
2060
case "$arch" in
2061
    alpha|ia64|mips|parisc|sparc)
2062
        spic=$shared
2063
    ;;
2064
    x86)
2065
        subarch="x86_32"
2066
        check_cc <<EOF && subarch="x86_64"
2067
        int test[(int)sizeof(char*) - 7];
2068
EOF
2069
        if test "$subarch" = "x86_64"; then
2070
            spic=$shared
2071
        fi
2072
    ;;
2073
esac
2074

    
2075
enable $subarch
2076
enabled spic && enable pic
2077
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2078

    
2079
# OS specific
2080
case $target_os in
2081
    beos|haiku|zeta)
2082
        prefix_default="$HOME/config"
2083
        # 3 gcc releases known for BeOS, each with ugly bugs
2084
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2085
        case "$gcc_version" in
2086
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2087
            disable mmx
2088
            ;;
2089
          *20010315*) echo "BeBits gcc"
2090
            add_cflags -fno-expensive-optimizations
2091
            ;;
2092
        esac
2093
        SHFLAGS=-nostart
2094
        # enable BeOS things
2095
        enable audio_beos
2096
        # no need for libm, but the inet stuff
2097
        # Check for BONE
2098
        # XXX: actually should check for NOT net_server
2099
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2100
            network_extralibs="-lbind -lsocket"
2101
        else
2102
            enable beos_netserver
2103
            network_extralibs="-lnet"
2104
        fi ;;
2105
    sunos)
2106
        FFSERVERLDFLAGS=""
2107
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2108
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2109
        network_extralibs="-lsocket -lnsl"
2110
        add_cppflags -D__EXTENSIONS__
2111
        nm_opts='-P -g'
2112
        ;;
2113
    netbsd)
2114
        oss_indev_extralibs="-lossaudio"
2115
        oss_outdev_extralibs="-lossaudio"
2116
        ;;
2117
    openbsd)
2118
        enable malloc_aligned
2119
        # On OpenBSD 4.5. the compiler does not use PIC unless
2120
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2121
        # however the generated executable will not do anything
2122
        # (simply quits with exit-code 1, no crash, no output).
2123
        # Thus explicitly enable PIC here.
2124
        enable pic
2125
        SHFLAGS='-shared'
2126
        oss_indev_extralibs="-lossaudio"
2127
        oss_outdev_extralibs="-lossaudio"
2128
        ;;
2129
    freebsd|dragonfly)
2130
        enable malloc_aligned
2131
        ;;
2132
    bsd/os)
2133
        osextralibs="-lpoll -lgnugetopt"
2134
        strip="strip -d"
2135
        ;;
2136
    darwin)
2137
        enable malloc_aligned
2138
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2139
        strip="strip -x"
2140
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2141
        SLIBSUF=".dylib"
2142
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2143
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2144
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2145
        objformat="macho"
2146
        enabled x86_64 && objformat="macho64"
2147
        enabled_any pic shared ||
2148
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2149
        ;;
2150
    mingw32*)
2151
        if test $target_os = "mingw32ce"; then
2152
            disable network
2153
        else
2154
            target_os=mingw32
2155
        fi
2156
        LIBTARGET=i386
2157
        if enabled x86_64; then
2158
            enable malloc_aligned
2159
            LIBTARGET=x64
2160
        elif enabled arm; then
2161
            LIBTARGET=arm
2162
        fi
2163
        shlibdir_default="$bindir_default"
2164
        disable ffserver
2165
        SLIBPREF=""
2166
        SLIBSUF=".dll"
2167
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2168
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2169
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2170
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2171
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2172
            install -d "$(LIBDIR)"; \
2173
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2174
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2175
        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'
2176
        objformat="win32"
2177
        enable dos_paths
2178
        check_cflags -fno-common
2179
        if ! enabled x86_64; then
2180
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2181
                die "ERROR: MinGW runtime version must be >= 3.15."
2182
            enabled_any avisynth vfwcap_indev &&
2183
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2184
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2185
        fi
2186
        ;;
2187
    cygwin*)
2188
        target_os=cygwin
2189
        shlibdir_default="$bindir_default"
2190
        SLIBPREF="cyg"
2191
        SLIBSUF=".dll"
2192
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2193
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2194
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2195
        objformat="win32"
2196
        enable dos_paths
2197
        check_cflags -fno-common
2198
        ;;
2199
    *-dos|freedos|opendos)
2200
        disable ffplay ffserver
2201
        disable $INDEV_LIST $OUTDEV_LIST
2202
        network_extralibs="-lsocket"
2203
        objformat="coff"
2204
        enable dos_paths
2205
        ;;
2206
    linux)
2207
        enable dv1394
2208
        ;;
2209
    irix*)
2210
        target_os=irix
2211
        ranlib="echo ignoring ranlib"
2212
        ;;
2213
    os/2*)
2214
        strip="lxlite"
2215
        ln_s="cp -f"
2216
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2217
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2218
        FFSERVERLDFLAGS=""
2219
        LIBSUF="_s.a"
2220
        SLIBPREF=""
2221
        SLIBSUF=".dll"
2222
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2223
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2224
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2225
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2226
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2227
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2228
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2229
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2230
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2231
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2232
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2233
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2234
        enable dos_paths
2235
        ;;
2236
    gnu/kfreebsd)
2237
        ;;
2238
    gnu)
2239
        ;;
2240
    none)
2241
        ;;
2242
    *)
2243
        die "Unknown OS '$target_os'."
2244
        ;;
2245
esac
2246

    
2247
set_default $PATHS_LIST
2248

    
2249
add_extralibs $osextralibs
2250

    
2251
# Combine FFLDFLAGS and the LDFLAGS environment variable.
2252
LDFLAGS="$FFLDFLAGS $LDFLAGS"
2253

    
2254
# we need to build at least one lib type
2255
if ! enabled_any static shared; then
2256
    cat <<EOF
2257
At least one library type must be built.
2258
Specify --enable-static to build the static libraries or --enable-shared to
2259
build the shared libraries as well. To only build the shared libraries specify
2260
--disable-static in addition to --enable-shared.
2261
EOF
2262
    exit 1;
2263
fi
2264

    
2265
disabled static && LIBNAME=""
2266

    
2267
if enabled_any libfaad libfaadbin ; then
2268
    if check_header faad.h; then
2269
        check_cc <<EOF
2270
#include <faad.h>
2271
#ifndef FAAD2_VERSION
2272
ok faad1
2273
#endif
2274
int main(void) { return 0; }
2275
EOF
2276
        test $? = 0 && enable libfaad2
2277
    else
2278
        die "FAAD test failed."
2279
    fi
2280
fi
2281

    
2282

    
2283
die_license_disabled() {
2284
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2285
}
2286

    
2287
die_license_disabled gpl libfaad2
2288
die_license_disabled gpl libx264
2289
die_license_disabled gpl libxvid
2290
die_license_disabled gpl postproc
2291
die_license_disabled gpl x11grab
2292

    
2293
die_license_disabled nonfree libfaac
2294

    
2295
die_license_disabled version3 libopencore_amrnb
2296
die_license_disabled version3 libopencore_amrwb
2297

    
2298
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2299

    
2300
check_deps $ARCH_EXT_LIST
2301

    
2302
disabled optimizations || check_cflags -fomit-frame-pointer
2303

    
2304
enable_pic() {
2305
    enable pic
2306
    add_cppflags -DPIC
2307
    add_cflags   -fPIC
2308
    add_asflags  -fPIC
2309
}
2310

    
2311
enabled pic && enable_pic
2312

    
2313
check_cc <<EOF || die "Symbol mangling check failed."
2314
int ff_extern;
2315
EOF
2316
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2317
extern_prefix=${sym%%ff_extern*}
2318

    
2319
check_cc <<EOF && enable inline_asm
2320
void foo(void) { __asm__ volatile ("" ::); }
2321
EOF
2322

    
2323
_restrict=
2324
for restrict_keyword in restrict __restrict__ __restrict; do
2325
    check_cc <<EOF && _restrict=$restrict_keyword && break
2326
void foo(char * $restrict_keyword p);
2327
EOF
2328
done
2329

    
2330
check_cc <<EOF && enable attribute_packed
2331
struct { int x; } __attribute__((packed)) x;
2332
EOF
2333

    
2334
check_cc <<EOF && enable attribute_may_alias
2335
union { int x; } __attribute__((may_alias)) x;
2336
EOF
2337

    
2338
check_cc <<EOF || die "endian test failed"
2339
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2340
EOF
2341
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2342

    
2343
if enabled alpha; then
2344

    
2345
    check_cflags -mieee
2346

    
2347
elif enabled arm; then
2348

    
2349
    check_cflags -marm
2350

    
2351
    check_ld <<EOF && enable vfp_args
2352
__asm__ (".eabi_attribute 28, 1");
2353
int main(void) { return 0; }
2354
EOF
2355

    
2356
    # We have to check if pld is a nop and disable it.
2357
    check_asm pld '"pld [r0]"'
2358

    
2359
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2360
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2361
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2362
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2363
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2364
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2365

    
2366
    enabled_all armv6t2 shared !pic && enable_pic
2367

    
2368
elif enabled ia64; then
2369

    
2370
    # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2371
    enabled shared && enable_weak hardcoded_tables
2372

    
2373
elif enabled mips; then
2374

    
2375
    check_asm loongson '"dmult.g $1, $2, $3"'
2376
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2377

    
2378
elif enabled ppc; then
2379

    
2380
    check_asm dcbzl     '"dcbzl 0, 1"'
2381
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2382
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2383

    
2384
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2385
    if enabled altivec; then
2386
        check_cflags -maltivec -mabi=altivec &&
2387
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2388
        check_cflags -faltivec
2389

    
2390
        # check if our compiler supports Motorola AltiVec C API
2391
        check_cc <<EOF || disable altivec
2392
$inc_altivec_h
2393
int main(void) {
2394
    vector signed int v1, v2, v3;
2395
    v1 = vec_add(v2,v3);
2396
    return 0;
2397
}
2398
EOF
2399

    
2400
        # check if our compiler supports braces for vector declarations
2401
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2402
$inc_altivec_h
2403
int main (void) { (vector int) {1}; return 0; }
2404
EOF
2405
    fi
2406

    
2407
elif enabled sparc; then
2408

    
2409
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2410
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2411

    
2412
elif enabled x86; then
2413

    
2414
    # check whether EBP is available on x86
2415
    # As 'i' is stored on the stack, this program will crash
2416
    # if the base pointer is used to access it because the
2417
    # base pointer is cleared in the inline assembly code.
2418
    check_exec_crash <<EOF && enable ebp_available
2419
    volatile int i=0;
2420
    __asm__ volatile (
2421
        "xorl %%ebp, %%ebp"
2422
    ::: "%ebp");
2423
    return i;
2424
EOF
2425

    
2426
    # check whether EBX is available on x86
2427
    check_asm ebx_available '""::"b"(0)' &&
2428
        check_asm ebx_available '"":::"%ebx"'
2429

    
2430
    # check whether more than 10 operands are supported
2431
    check_cc <<EOF && enable ten_operands
2432
int main(void) {
2433
    int x=0;
2434
    __asm__ volatile(
2435
        ""
2436
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2437
    );
2438
    return 0;
2439
}
2440
EOF
2441

    
2442
    # check whether binutils is new enough to compile SSSE3/MMX2
2443
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2444
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2445

    
2446
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2447

    
2448
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2449
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2450
    enabled     pic           && append YASMFLAGS "-DPIC"
2451
    test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2452
    case "$objformat" in
2453
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2454
    esac
2455
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2456

    
2457
    case "$cpu" in
2458
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2459
            disable fast_clz
2460
        ;;
2461
    esac
2462

    
2463
fi
2464

    
2465
if check_func dlopen; then
2466
    ldl=
2467
elif check_func dlopen -ldl; then
2468
    ldl=-ldl
2469
fi
2470

    
2471
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2472
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2473

    
2474
check_func  fork
2475
check_func  getaddrinfo $network_extralibs
2476
check_func  gethrtime
2477
check_func  getrusage
2478
check_func  inet_aton $network_extralibs
2479
check_func  isatty
2480
check_func  ${malloc_prefix}memalign            && enable memalign
2481
check_func  mkstemp
2482
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2483
check_func  setrlimit
2484
check_func_headers io.h setmode
2485
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2486
check_func_headers windows.h GetProcessTimes
2487
check_func_headers windows.h VirtualAlloc
2488

    
2489
check_header conio.h
2490
check_header dlfcn.h
2491
check_header dxva2api.h
2492
check_header malloc.h
2493
check_header poll.h
2494
check_header sys/mman.h
2495
check_header sys/resource.h
2496
check_header sys/select.h
2497
check_header termios.h
2498
check_header vdpau/vdpau.h
2499
check_header vdpau/vdpau_x11.h
2500
check_header X11/extensions/XvMClib.h
2501

    
2502
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2503

    
2504
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2505
     enabled_any $need_memalign ; then
2506
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2507
fi
2508

    
2509
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2510
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2511

    
2512
# check for some common methods of building with pthread support
2513
# do this before the optional library checks as some of them require pthreads
2514
if enabled pthreads; then
2515
    if check_func pthread_create; then
2516
        :
2517
    elif check_func pthread_create -pthread; then
2518
        add_cflags -pthread
2519
        add_extralibs -pthread
2520
    elif check_func pthread_create -pthreads; then
2521
        add_cflags -pthreads
2522
        add_extralibs -pthreads
2523
    elif check_func pthread_create -lpthreadGC2; then
2524
        add_extralibs -lpthreadGC2
2525
    elif ! check_lib pthread.h pthread_create -lpthread; then
2526
        die "ERROR: can't find pthreads library"
2527
    fi
2528
fi
2529

    
2530
for thread in $THREADS_LIST; do
2531
    if enabled $thread; then
2532
        test -n "$thread_type" &&
2533
            die "ERROR: Only one thread type must be selected." ||
2534
            thread_type="$thread"
2535
    fi
2536
done
2537

    
2538
check_lib math.h sin -lm
2539
check_lib va/va.h vaInitialize -lva
2540

    
2541
check_mathfunc exp2
2542
check_mathfunc exp2f
2543
check_mathfunc llrint
2544
check_mathfunc log2
2545
check_mathfunc log2f
2546
check_mathfunc lrint
2547
check_mathfunc lrintf
2548
check_mathfunc round
2549
check_mathfunc roundf
2550
check_mathfunc truncf
2551

    
2552
# these are off by default, so fail if requested and not available
2553
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2554
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2555
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2556
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2557
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2558
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2559
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2560
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2561
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2562
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2563
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2564
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2565
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2566
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2567
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2568
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2569
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2570
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
2571
                      { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2572
                        die "ERROR: libx264 version must be >= 0.83."; }
2573
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2574
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2575

    
2576
# libdc1394 check
2577
if enabled libdc1394; then
2578
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2579
        enable libdc1394_2; } ||
2580
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2581
        enable libdc1394_1; } ||
2582
    die "ERROR: No version of libdc1394 found "
2583
fi
2584

    
2585
SDL_CONFIG="${cross_prefix}sdl-config"
2586
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2587
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2588
    sdl_libs=$("${SDL_CONFIG}" --libs)
2589
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2590
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2591
    enable sdl &&
2592
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2593
fi
2594

    
2595
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2596

    
2597
if enabled network; then
2598
    check_type "sys/types.h sys/socket.h" socklen_t
2599
    check_type netdb.h "struct addrinfo"
2600
    check_type netinet/in.h "struct ipv6_mreq"
2601
    check_type netinet/in.h "struct sockaddr_in6"
2602
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2603
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2604
    # Prefer arpa/inet.h over winsock2
2605
    if check_header arpa/inet.h ; then
2606
        check_func closesocket
2607
    elif check_header winsock2.h ; then
2608
        check_func_headers winsock2.h closesocket -lws2 && \
2609
            network_extralibs="-lws2" || \
2610
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2611
            network_extralibs="-lws2_32"; }
2612
        check_type ws2tcpip.h socklen_t
2613
        check_type ws2tcpip.h "struct addrinfo"
2614
        check_type ws2tcpip.h "struct ipv6_mreq"
2615
        check_type ws2tcpip.h "struct sockaddr_in6"
2616
        check_type ws2tcpip.h "struct sockaddr_storage"
2617
        check_struct winsock2.h "struct sockaddr" sa_len
2618
    else
2619
        disable network
2620
    fi
2621
fi
2622

    
2623
check_header linux/videodev.h
2624
check_header linux/videodev2.h
2625
check_header sys/videoio.h
2626

    
2627
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2628

    
2629
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2630
{ check_header dev/bktr/ioctl_meteor.h &&
2631
  check_header dev/bktr/ioctl_bt848.h; } ||
2632
{ check_header machine/ioctl_meteor.h &&
2633
  check_header machine/ioctl_bt848.h; } ||
2634
{ check_header dev/video/meteor/ioctl_meteor.h &&
2635
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2636
check_header dev/ic/bt8xx.h
2637

    
2638
check_header sys/soundcard.h
2639
check_header soundcard.h
2640

    
2641
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2642

    
2643
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2644

    
2645
enabled x11grab                         &&
2646
check_header X11/Xlib.h                 &&
2647
check_header X11/extensions/XShm.h      &&
2648
check_header X11/extensions/Xfixes.h    &&
2649
check_func XOpenDisplay -lX11           &&
2650
check_func XShmCreateImage -lX11 -lXext &&
2651
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2652

    
2653
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2654
check_cpp_condition \
2655
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2656
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2657
      disable vdpau; }
2658
fi
2659

    
2660
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2661

    
2662
# add some useful compiler flags if supported
2663
check_cflags -Wdeclaration-after-statement
2664
check_cflags -Wall
2665
check_cflags -Wno-switch
2666
check_cflags -Wdisabled-optimization
2667
check_cflags -Wpointer-arith
2668
check_cflags -Wredundant-decls
2669
check_cflags -Wno-pointer-sign
2670
check_cflags -Wcast-qual
2671
check_cflags -Wwrite-strings
2672
check_cflags -Wtype-limits
2673
check_cflags -Wundef
2674
enabled extra_warnings && check_cflags -Winline
2675

    
2676
# add some linker flags
2677
check_ldflags -Wl,--warn-common
2678
check_ldflags -Wl,--as-needed
2679
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)/libavutil'
2680
check_ldflags -Wl,-Bsymbolic
2681

    
2682
echo "X{};" > $TMPV
2683
test_ldflags -Wl,--version-script,$TMPV &&
2684
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2685

    
2686
if enabled small; then
2687
    add_cflags $size_cflags
2688
    optimizations="small"
2689
elif enabled optimizations; then
2690
    add_cflags $speed_cflags
2691
fi
2692
check_cflags -fno-math-errno
2693
check_cflags -fno-signed-zeros
2694

    
2695
if enabled icc; then
2696
    # Just warnings, no remarks
2697
    check_cflags -w1
2698
    # -wd: Disable following warnings
2699
    # 144, 167, 556: -Wno-pointer-sign
2700
    # 10006: ignoring unknown option -fno-signed-zeros
2701
    # 10156: ignoring option '-W'; no argument required
2702
    check_cflags -wd144,167,556,10006,10156
2703
    # 11030: Warning unknown option --as-needed
2704
    # 10156: ignoring option '-export'; no argument required
2705
    check_ldflags -wd10156,11030
2706
    # Allow to compile with optimizations
2707
    check_ldflags -march=$cpu
2708
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2709
    enable ebp_available
2710
elif enabled ccc; then
2711
    # disable some annoying warnings
2712
    add_cflags -msg_disable cvtu32to64
2713
    add_cflags -msg_disable embedcomment
2714
    add_cflags -msg_disable needconstext
2715
    add_cflags -msg_disable nomainieee
2716
    add_cflags -msg_disable ptrmismatch1
2717
    add_cflags -msg_disable unreachcode
2718
elif enabled gcc; then
2719
    check_cflags -fno-tree-vectorize
2720
elif enabled clang; then
2721
    check_cflags -Qunused-arguments
2722
elif enabled armcc; then
2723
    # 2523: use of inline assembler is deprecated
2724
    add_cflags -Wrvct,--diag_suppress=2523
2725
elif enabled tms470; then
2726
    add_cflags -pds=824 -pds=837
2727
fi
2728

    
2729
if enabled gprof; then
2730
    add_cflags  -p
2731
    add_ldflags -p
2732
fi
2733

    
2734
# Find out if the .align argument is a power of two or not.
2735
check_asm asmalign_pot '".align 3"'
2736

    
2737
enabled_any $DECODER_LIST      && enable decoders
2738
enabled_any $ENCODER_LIST      && enable encoders
2739
enabled_any $HWACCEL_LIST      && enable hwaccels
2740
enabled_any $BSF_LIST          && enable bsfs
2741
enabled_any $DEMUXER_LIST      && enable demuxers
2742
enabled_any $MUXER_LIST        && enable muxers
2743
enabled_any $FILTER_LIST       && enable filters
2744
enabled_any $INDEV_LIST        && enable indevs
2745
enabled_any $OUTDEV_LIST       && enable outdevs
2746
enabled_any $PROTOCOL_LIST     && enable protocols
2747

    
2748
enabled_any $THREADS_LIST      && enable threads
2749

    
2750
check_deps $CONFIG_LIST       \
2751
           $CONFIG_EXTRA      \
2752
           $HAVE_LIST         \
2753
           $DECODER_LIST      \
2754
           $ENCODER_LIST      \
2755
           $HWACCEL_LIST      \
2756
           $PARSER_LIST       \
2757
           $BSF_LIST          \
2758
           $DEMUXER_LIST      \
2759
           $MUXER_LIST        \
2760
           $FILTER_LIST       \
2761
           $INDEV_LIST        \
2762
           $OUTDEV_LIST       \
2763
           $PROTOCOL_LIST     \
2764

    
2765
enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2766

    
2767
echo "install prefix            $prefix"
2768
echo "source path               $source_path"
2769
echo "C compiler                $cc"
2770
echo ".align is power-of-two    $asmalign_pot"
2771
echo "ARCH                      $arch ($cpu)"
2772
if test "$build_suffix" != ""; then
2773
    echo "build suffix              $build_suffix"
2774
fi
2775
if test "$extra_version" != ""; then
2776
    echo "version string suffix     $extra_version"
2777
fi
2778
echo "big-endian                ${bigendian-no}"
2779
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2780
if enabled x86; then
2781
    echo "yasm                      ${yasm-no}"
2782
    echo "MMX enabled               ${mmx-no}"
2783
    echo "MMX2 enabled              ${mmx2-no}"
2784
    echo "3DNow! enabled            ${amd3dnow-no}"
2785
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2786
    echo "SSE enabled               ${sse-no}"
2787
    echo "SSSE3 enabled             ${ssse3-no}"
2788
    echo "CMOV enabled              ${cmov-no}"
2789
    echo "CMOV is fast              ${fast_cmov-no}"
2790
    echo "EBX available             ${ebx_available-no}"
2791
    echo "EBP available             ${ebp_available-no}"
2792
    echo "10 operands supported     ${ten_operands-no}"
2793
fi
2794
if enabled arm; then
2795
    echo "ARMv5TE enabled           ${armv5te-no}"
2796
    echo "ARMv6 enabled             ${armv6-no}"
2797
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2798
    echo "ARM VFP enabled           ${armvfp-no}"
2799
    echo "IWMMXT enabled            ${iwmmxt-no}"
2800
    echo "NEON enabled              ${neon-no}"
2801
fi
2802
if enabled mips; then
2803
    echo "MMI enabled               ${mmi-no}"
2804
fi
2805
if enabled ppc; then
2806
    echo "AltiVec enabled           ${altivec-no}"
2807
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2808
    echo "dcbzl available           ${dcbzl-no}"
2809
    echo "performance report        ${powerpc_perf-no}"
2810
fi
2811
if enabled sparc; then
2812
    echo "VIS enabled               ${vis-no}"
2813
fi
2814
echo "gprof enabled             ${gprof-no}"
2815
echo "debug symbols             ${debug-no}"
2816
echo "strip symbols             ${stripping-no}"
2817
echo "optimizations             ${optimizations-no}"
2818
echo "static                    ${static-no}"
2819
echo "shared                    ${shared-no}"
2820
echo "postprocessing support    ${postproc-no}"
2821
echo "new filter support        ${avfilter-no}"
2822
echo "filters using lavformat   ${avfilter_lavf-no}"
2823
echo "network support           ${network-no}"
2824
echo "threading support         ${thread_type-no}"
2825
echo "SDL support               ${sdl-no}"
2826
echo "Sun medialib support      ${mlib-no}"
2827
echo "AVISynth enabled          ${avisynth-no}"
2828
echo "libdc1394 support         ${libdc1394-no}"
2829
echo "libdirac enabled          ${libdirac-no}"
2830
echo "libfaac enabled           ${libfaac-no}"
2831
echo "libfaad enabled           ${libfaad-no}"
2832
echo "libfaad dlopened          ${libfaadbin-no}"
2833
echo "libgsm enabled            ${libgsm-no}"
2834
echo "libmp3lame enabled        ${libmp3lame-no}"
2835
echo "libnut enabled            ${libnut-no}"
2836
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2837
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2838
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2839
echo "libschroedinger enabled   ${libschroedinger-no}"
2840
echo "libspeex enabled          ${libspeex-no}"
2841
echo "libtheora enabled         ${libtheora-no}"
2842
echo "libvorbis enabled         ${libvorbis-no}"
2843
echo "libx264 enabled           ${libx264-no}"
2844
echo "libxvid enabled           ${libxvid-no}"
2845
echo "zlib enabled              ${zlib-no}"
2846
echo "bzlib enabled             ${bzlib-no}"
2847
echo
2848

    
2849
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2850
    echo "Enabled ${type}s:"
2851
    eval list=\$$(toupper $type)_LIST
2852
    for part in $list; do
2853
        enabled $part && echo ${part%_*}
2854
    done | sort | pr -3 -t
2855
    echo
2856
done
2857

    
2858
license="LGPL version 2.1 or later"
2859
if enabled nonfree; then
2860
    license="nonfree and unredistributable"
2861
elif enabled gplv3; then
2862
    license="GPL version 3 or later"
2863
elif enabled lgplv3; then
2864
    license="LGPL version 3 or later"
2865
elif enabled gpl; then
2866
    license="GPL version 2 or later"
2867
fi
2868

    
2869
echo "License: $license"
2870

    
2871
echo "Creating config.mak and config.h..."
2872

    
2873
# build tree in object directory if source path is different from current one
2874
if enabled source_path_used; then
2875
    DIRS="
2876
        doc
2877
        libavcodec
2878
        libavcodec/$arch
2879
        libavdevice
2880
        libavfilter
2881
        libavformat
2882
        libavutil
2883
        libavutil/$arch
2884
        libpostproc
2885
        libswscale
2886
        libswscale/$arch
2887
        tests
2888
        tools
2889
    "
2890
    FILES="
2891
        Makefile
2892
        common.mak
2893
        subdir.mak
2894
        doc/texi2pod.pl
2895
        libavcodec/Makefile
2896
        libavdevice/Makefile
2897
        libavfilter/Makefile
2898
        libavformat/Makefile
2899
        libavutil/Makefile
2900
        libpostproc/Makefile
2901
        libswscale/Makefile
2902
    "
2903
    for dir in $DIRS ; do
2904
        mkdir -p $dir
2905
    done
2906
    for f in $FILES ; do
2907
        $ln_s "$source_path/$f" $f
2908
    done
2909
fi
2910

    
2911
enabled stripping || strip="echo skipping strip"
2912

    
2913
cat > config.mak <<EOF
2914
# Automatically generated by configure - do not modify!
2915
ifndef FFMPEG_CONFIG_MAK
2916
FFMPEG_CONFIG_MAK=1
2917
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2918
prefix=$prefix
2919
LIBDIR=\$(DESTDIR)$libdir
2920
SHLIBDIR=\$(DESTDIR)$shlibdir
2921
INCDIR=\$(DESTDIR)$incdir
2922
BINDIR=\$(DESTDIR)$bindir
2923
DATADIR=\$(DESTDIR)$datadir
2924
MANDIR=\$(DESTDIR)$mandir
2925
SRC_PATH="$source_path"
2926
SRC_PATH_BARE=$source_path
2927
BUILD_ROOT="$PWD"
2928
ARCH=$arch
2929
CC=$cc
2930
AS=$as
2931
LD=$ld
2932
DEPCC=$dep_cc
2933
YASM=$yasmexe
2934
AR=$ar
2935
RANLIB=$ranlib
2936
LN_S=$ln_s
2937
STRIP=$strip
2938
CPPFLAGS=$CPPFLAGS
2939
CFLAGS=$CFLAGS
2940
ASFLAGS=$ASFLAGS
2941
CC_O=$CC_O
2942
LDFLAGS=$LDFLAGS
2943
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2944
SHFLAGS=$SHFLAGS
2945
YASMFLAGS=$YASMFLAGS
2946
BUILDSUF=$build_suffix
2947
FULLNAME=$FULLNAME
2948
LIBPREF=$LIBPREF
2949
LIBSUF=$LIBSUF
2950
LIBNAME=$LIBNAME
2951
SLIBPREF=$SLIBPREF
2952
SLIBSUF=$SLIBSUF
2953
EXESUF=$EXESUF
2954
EXTRA_VERSION=$extra_version
2955
DEPFLAGS=$DEPFLAGS
2956
CCDEP=$CCDEP
2957
ASDEP=$ASDEP
2958
CC_DEPFLAGS=$CC_DEPFLAGS
2959
AS_DEPFLAGS=$AS_DEPFLAGS
2960
HOSTCC=$host_cc
2961
HOSTCFLAGS=$host_cflags
2962
HOSTEXESUF=$HOSTEXESUF
2963
HOSTLDFLAGS=$host_ldflags
2964
HOSTLIBS=$host_libs
2965
TARGET_EXEC=$target_exec
2966
TARGET_PATH=$target_path
2967
SDL_LIBS=$sdl_libs
2968
SDL_CFLAGS=$sdl_cflags
2969
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2970
EXTRALIBS=$extralibs
2971
EOF
2972

    
2973
get_version(){
2974
    name=$1
2975
    file=$source_path/$2
2976
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2977
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2978
    lcname=$(tolower $name)
2979
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2980
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2981
}
2982

    
2983
get_version LIBSWSCALE  libswscale/swscale.h
2984
get_version LIBPOSTPROC libpostproc/postprocess.h
2985
get_version LIBAVCODEC  libavcodec/avcodec.h
2986
get_version LIBAVDEVICE libavdevice/avdevice.h
2987
get_version LIBAVFORMAT libavformat/avformat.h
2988
get_version LIBAVUTIL   libavutil/avutil.h
2989
get_version LIBAVFILTER libavfilter/avfilter.h
2990

    
2991
enabled shared && cat >> config.mak <<EOF
2992
LIBTARGET=${LIBTARGET}
2993
SLIBNAME=${SLIBNAME}
2994
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2995
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2996
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2997
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2998
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2999
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3000
EOF
3001

    
3002
enabled asmalign_pot || align_shift="1 <<"
3003

    
3004
cat > $TMPH <<EOF
3005
/* Automatically generated by configure - do not modify! */
3006
#ifndef FFMPEG_CONFIG_H
3007
#define FFMPEG_CONFIG_H
3008
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3009
#define FFMPEG_LICENSE "$(c_escape $license)"
3010
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3011
#define CC_TYPE "$cc_type"
3012
#define CC_VERSION $cc_version
3013
#define restrict $_restrict
3014
#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3015
#define EXTERN_PREFIX "${extern_prefix}"
3016
#define EXTERN_ASM ${extern_prefix}
3017
EOF
3018

    
3019
test -n "$malloc_prefix" &&
3020
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3021

    
3022
if enabled small || disabled optimizations; then
3023
    echo "#define av_always_inline"  >> $TMPH
3024
fi
3025

    
3026
print_config ARCH_   $TMPH config.mak $ARCH_LIST
3027
print_config HAVE_   $TMPH config.mak $HAVE_LIST
3028
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
3029
                                      $CONFIG_EXTRA      \
3030
                                      $DECODER_LIST      \
3031
                                      $ENCODER_LIST      \
3032
                                      $HWACCEL_LIST      \
3033
                                      $PARSER_LIST       \
3034
                                      $BSF_LIST          \
3035
                                      $DEMUXER_LIST      \
3036
                                      $MUXER_LIST        \
3037
                                      $FILTER_LIST       \
3038
                                      $PROTOCOL_LIST     \
3039
                                      $INDEV_LIST        \
3040
                                      $OUTDEV_LIST       \
3041

    
3042
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3043
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3044

    
3045
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3046
cp_if_changed $TMPH config.h
3047

    
3048
cat > $TMPH <<EOF
3049
/* Generated by ffconf */
3050
#ifndef AVUTIL_AVCONFIG_H
3051
#define AVUTIL_AVCONFIG_H
3052
EOF
3053

    
3054
print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3055

    
3056
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3057

    
3058
cp_if_changed $TMPH libavutil/avconfig.h
3059

    
3060
# build pkg-config files
3061

    
3062
pkgconfig_generate(){
3063
name=$1
3064
shortname=${name#lib}${build_suffix}
3065
comment=$2
3066
version=$3
3067
libs=$4
3068
requires=$5
3069
cat <<EOF > $name/$name.pc
3070
prefix=$prefix
3071
exec_prefix=\${prefix}
3072
libdir=$libdir
3073
includedir=$incdir
3074

    
3075
Name: $name
3076
Description: $comment
3077
Version: $version
3078
Requires: $(enabled shared || echo $requires)
3079
Requires.private: $(enabled shared && echo $requires)
3080
Conflicts:
3081
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3082
Libs.private: $(enabled shared && echo $libs)
3083
Cflags: -I\${includedir}
3084
EOF
3085
cat <<EOF > $name/$name-uninstalled.pc
3086
prefix=
3087
exec_prefix=
3088
libdir=\${pcfiledir}
3089
includedir=${source_path}
3090

    
3091
Name: $name
3092
Description: $comment
3093
Version: $version
3094
Requires: $requires
3095
Conflicts:
3096
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3097
Cflags: -I\${includedir}
3098
EOF
3099
}
3100

    
3101
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3102
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3103
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3104
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3105
enabled avfilter &&
3106
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3107
enabled postproc &&
3108
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3109
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"