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#!/bin/sh
2
#
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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
13

    
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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
16

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

    
57
show_help(){
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cat <<EOF
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Usage: configure [options]
60
Options: [defaults in brackets after descriptions]
61

    
62
Standard options:
63
  --help                   print this message
64
  --logfile=FILE           log tests and output to FILE [config.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]
82
  --disable-doc            do not build documentation
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  --disable-ffmpeg         disable ffmpeg build
84
  --disable-ffplay         disable ffplay build
85
  --disable-ffprobe        disable ffprobe build
86
  --disable-ffserver       disable ffserver build
87
  --disable-avdevice       disable libavdevice build
88
  --disable-avcodec        disable libavcodec build
89
  --disable-avformat       disable libavformat build
90
  --disable-swscale        disable libswscale build
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  --enable-postproc        enable GPLed postprocessing support [no]
92
  --enable-avfilter        video filter support [no]
93
  --enable-avfilter-lavf   video filters dependent on avformat [no]
94
  --enable-beosthreads     use BeOS threads [no]
95
  --enable-os2threads      use OS/2 threads [no]
96
  --enable-pthreads        use pthreads [no]
97
  --enable-w32threads      use Win32 threads [no]
98
  --enable-x11grab         enable X11 grabbing [no]
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  --disable-network        disable network support [no]
100
  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
101
  --enable-gray            enable full grayscale support (slower color)
102
  --disable-swscale-alpha  disable alpha channel support in swscale
103
  --disable-fastdiv        disable table-based division
104
  --enable-small           optimize for size instead of speed
105
  --disable-aandct         disable AAN DCT code
106
  --disable-dct            disable DCT code
107
  --disable-fft            disable FFT code
108
  --disable-golomb         disable Golomb code
109
  --disable-lpc            disable LPC code
110
  --disable-mdct           disable MDCT code
111
  --disable-rdft           disable RDFT code
112
  --disable-vaapi          disable VAAPI code
113
  --disable-vdpau          disable VDPAU code
114
  --disable-dxva2          disable DXVA2 code
115
  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
116
  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
117
  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
118
  --enable-beos-netserver  enable BeOS netserver
119
  --disable-everything     disable all components listed below
120
  --disable-encoder=NAME   disable encoder NAME
121
  --enable-encoder=NAME    enable encoder NAME
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  --disable-encoders       disable all encoders
123
  --disable-decoder=NAME   disable decoder NAME
124
  --enable-decoder=NAME    enable decoder NAME
125
  --disable-decoders       disable all decoders
126
  --disable-hwaccel=NAME   disable hwaccel NAME
127
  --enable-hwaccel=NAME    enable hwaccel NAME
128
  --disable-hwaccels       disable all hwaccels
129
  --disable-muxer=NAME     disable muxer NAME
130
  --enable-muxer=NAME      enable muxer NAME
131
  --disable-muxers         disable all muxers
132
  --disable-demuxer=NAME   disable demuxer NAME
133
  --enable-demuxer=NAME    enable demuxer NAME
134
  --disable-demuxers       disable all demuxers
135
  --enable-parser=NAME     enable parser NAME
136
  --disable-parser=NAME    disable parser NAME
137
  --disable-parsers        disable all parsers
138
  --enable-bsf=NAME        enable bitstream filter NAME
139
  --disable-bsf=NAME       disable bitstream filter NAME
140
  --disable-bsfs           disable all bitstream filters
141
  --enable-protocol=NAME   enable protocol NAME
142
  --disable-protocol=NAME  disable protocol NAME
143
  --disable-protocols      disable all protocols
144
  --disable-indev=NAME     disable input device NAME
145
  --disable-outdev=NAME    disable output device NAME
146
  --disable-indevs         disable input devices
147
  --disable-outdevs        disable output devices
148
  --disable-devices        disable all devices
149
  --enable-filter=NAME     enable filter NAME
150
  --disable-filter=NAME    disable filter NAME
151
  --disable-filters        disable all filters
152
  --list-decoders          show all available decoders
153
  --list-encoders          show all available encoders
154
  --list-hwaccels          show all available hardware accelerators
155
  --list-muxers            show all available muxers
156
  --list-demuxers          show all available demuxers
157
  --list-parsers           show all available parsers
158
  --list-protocols         show all available protocols
159
  --list-bsfs              show all available bitstream filters
160
  --list-indevs            show all available input devices
161
  --list-outdevs           show all available output devices
162
  --list-filters           show all available filters
163

    
164
External library support:
165
  --enable-avisynth        enable reading of AVISynth script files [no]
166
  --enable-bzlib           enable bzlib [autodetect]
167
  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
168
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
169
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
170
                           and libraw1394 [no]
171
  --enable-libdirac        enable Dirac support via libdirac [no]
172
  --enable-libfaac         enable FAAC support via libfaac [no]
173
  --enable-libfaad         enable FAAD support via libfaad [no]
174
  --enable-libfaadbin      open libfaad.so.0 at runtime [no]
175
  --enable-libgsm          enable GSM support via libgsm [no]
176
  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
177
  --enable-libnut          enable NUT (de)muxing via libnut,
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                           native (de)muxer exists [no]
179
  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
180
  --enable-libschroedinger enable Dirac support via libschroedinger [no]
181
  --enable-libspeex        enable Speex decoding via libspeex [no]
182
  --enable-libtheora       enable Theora encoding via libtheora [no]
183
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
184
                           native implementation exists [no]
185
  --enable-libx264         enable H.264 encoding via x264 [no]
186
  --enable-libxvid         enable Xvid encoding via xvidcore,
187
                           native MPEG-4/Xvid encoder exists [no]
188
  --enable-mlib            enable Sun medialib [no]
189
  --enable-zlib            enable zlib [autodetect]
190

    
191
Advanced options (experts only):
192
  --source-path=PATH       path to source code [$source_path]
193
  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
194
  --enable-cross-compile   assume a cross-compiler is used
195
  --sysroot=PATH           root of cross-build tree
196
  --sysinclude=PATH        location of cross-build system headers
197
  --target-os=OS           compiler targets OS [$target_os]
198
  --target-exec=CMD        command to run executables on target
199
  --target-path=DIR        path to view of build directory on target
200
  --nm=NM                  use nm tool
201
  --as=AS                  use assembler AS [$as_default]
202
  --cc=CC                  use C compiler CC [$cc_default]
203
  --ld=LD                  use linker LD
204
  --host-cc=HOSTCC         use host C compiler HOSTCC
205
  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
206
  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
207
  --host-libs=HLIBS        use libs HLIBS when linking for host
208
  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
209
  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
210
  --extra-libs=ELIBS       add ELIBS [$ELIBS]
211
  --extra-version=STRING   version string suffix []
212
  --build-suffix=SUFFIX    library name suffix []
213
  --arch=ARCH              select architecture [$arch]
214
  --cpu=CPU                select the minimum required CPU (affects
215
                           instruction selection, may crash on older CPUs)
216
  --enable-powerpc-perf    enable performance report on PPC
217
                           (requires enabling PMC)
218
  --disable-asm            disable all assembler optimizations
219
  --disable-altivec        disable AltiVec optimizations
220
  --disable-amd3dnow       disable 3DNow! optimizations
221
  --disable-amd3dnowext    disable 3DNow! extended optimizations
222
  --disable-mmx            disable MMX optimizations
223
  --disable-mmx2           disable MMX2 optimizations
224
  --disable-sse            disable SSE optimizations
225
  --disable-ssse3          disable SSSE3 optimizations
226
  --disable-armv5te        disable armv5te optimizations
227
  --disable-armv6          disable armv6 optimizations
228
  --disable-armv6t2        disable armv6t2 optimizations
229
  --disable-armvfp         disable ARM VFP optimizations
230
  --disable-iwmmxt         disable iwmmxt optimizations
231
  --disable-mmi            disable MMI optimizations
232
  --disable-neon           disable neon optimizations
233
  --disable-vis            disable VIS optimizations
234
  --disable-yasm           disable use of yasm assembler
235
  --enable-pic             build position-independent code
236
  --malloc-prefix=PFX      prefix malloc and related names with PFX
237
  --enable-sram            allow use of on-chip SRAM
238

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

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

    
252
log(){
253
    echo "$@" >> $logfile
254
}
255

    
256
log_file(){
257
    log BEGIN $1
258
    pr -n -t $1 >> $logfile
259
    log END $1
260
}
261

    
262
echolog(){
263
    log "$@"
264
    echo "$@"
265
}
266

    
267
die(){
268
    echolog "$@"
269
    cat <<EOF
270

    
271
If you think configure made a mistake, make sure you are using the latest
272
version from SVN.  If the latest version fails, report the problem to the
273
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
274
EOF
275
    if disabled logging; then
276
        cat <<EOF
277
Rerun configure with logging enabled (do not use --disable-logging), and
278
include the log this produces with your report.
279
EOF
280
    else
281
cat <<EOF
282
Include the log file "$logfile" produced by configure as this will help
283
solving the problem.
284
EOF
285
    fi
286
    exit 1
287
}
288

    
289
# Avoid locale weirdness, besides we really just want to translate ASCII.
290
toupper(){
291
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
292
}
293

    
294
tolower(){
295
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
296
}
297

    
298
c_escape(){
299
    echo "$*" | sed 's/["\\]/\\\0/g'
300
}
301

    
302
sh_quote(){
303
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
304
    test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
305
    echo "$v"
306
}
307

    
308
filter(){
309
    pat=$1
310
    shift
311
    for v; do
312
        eval "case $v in $pat) echo $v ;; esac"
313
    done
314
}
315

    
316
map(){
317
    m=$1
318
    shift
319
    for _; do eval $m; done
320
}
321

    
322
set_all(){
323
    value=$1
324
    shift
325
    for var in $*; do
326
        eval $var=$value
327
    done
328
}
329

    
330
set_weak(){
331
    value=$1
332
    shift
333
    for var; do
334
        eval : \${$var:=$value}
335
    done
336
}
337

    
338
pushvar(){
339
    for var in $*; do
340
        eval level=\${${var}_level:=0}
341
        eval ${var}_${level}="\$$var"
342
        eval ${var}_level=$(($level+1))
343
    done
344
}
345

    
346
popvar(){
347
    for var in $*; do
348
        eval level=\${${var}_level:-0}
349
        test $level = 0 && continue
350
        eval level=$(($level-1))
351
        eval $var="\${${var}_${level}}"
352
        eval ${var}_level=$level
353
        eval unset ${var}_${level}
354
    done
355
}
356

    
357
enable(){
358
    set_all yes $*
359
}
360

    
361
disable(){
362
    set_all no $*
363
}
364

    
365
enable_weak(){
366
    set_weak yes $*
367
}
368

    
369
disable_weak(){
370
    set_weak no $*
371
}
372

    
373
enable_safe(){
374
    for var; do
375
        enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
376
    done
377
}
378

    
379
disable_safe(){
380
    for var; do
381
        disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
382
    done
383
}
384

    
385
do_enable_deep(){
386
    for var; do
387
        enabled $var && continue
388
        eval sel="\$${var}_select"
389
        eval sgs="\$${var}_suggest"
390
        pushvar var sgs
391
        enable_deep $sel
392
        popvar sgs
393
        enable_deep_weak $sgs
394
        popvar var
395
    done
396
}
397

    
398
enable_deep(){
399
    do_enable_deep $*
400
    enable $*
401
}
402

    
403
enable_deep_weak(){
404
    do_enable_deep $*
405
    enable_weak $*
406
}
407

    
408
enabled(){
409
    test "${1#!}" = "$1" && op== || op=!=
410
    eval test "x\$${1#!}" $op "xyes"
411
}
412

    
413
disabled(){
414
    test "${1#!}" = "$1" && op== || op=!=
415
    eval test "x\$${1#!}" $op "xno"
416
}
417

    
418
enabled_all(){
419
    for opt; do
420
        enabled $opt || return 1
421
    done
422
}
423

    
424
disabled_all(){
425
    for opt; do
426
        disabled $opt || return 1
427
    done
428
}
429

    
430
enabled_any(){
431
    for opt; do
432
        enabled $opt && return 0
433
    done
434
}
435

    
436
disabled_any(){
437
    for opt; do
438
        disabled $opt && return 0
439
    done
440
    return 1
441
}
442

    
443
set_default(){
444
    for opt; do
445
        eval : \${$opt:=\$${opt}_default}
446
    done
447
}
448

    
449
is_in(){
450
    value=$1
451
    shift
452
    for var in $*; do
453
        [ $var = $value ] && return 0
454
    done
455
    return 1
456
}
457

    
458
check_deps(){
459
    for cfg; do
460
        cfg="${cfg#!}"
461
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
462
        disabled ${cfg}_checking && continue
463
        enable ${cfg}_checking
464

    
465
        eval dep_all="\$${cfg}_deps"
466
        eval dep_any="\$${cfg}_deps_any"
467
        eval dep_sel="\$${cfg}_select"
468
        eval dep_sgs="\$${cfg}_suggest"
469
        eval dep_ifa="\$${cfg}_if"
470
        eval dep_ifn="\$${cfg}_if_any"
471

    
472
        pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
473
        check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
474
        popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
475

    
476
        [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
477
        [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
478
        enabled_all  $dep_all || disable $cfg
479
        enabled_any  $dep_any || disable $cfg
480
        disabled_any $dep_sel && disable $cfg
481

    
482
        if enabled $cfg; then
483
            eval dep_extralibs="\$${cfg}_extralibs"
484
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
485
            enable_deep $dep_sel
486
            enable_deep_weak $dep_sgs
487
        fi
488

    
489
        disable ${cfg}_checking
490
    done
491
}
492

    
493
print_config(){
494
    pfx=$1
495
    header=$2
496
    makefile=$3
497
    shift 3
498
    for cfg; do
499
        ucname="$(toupper $cfg)"
500
        if enabled $cfg; then
501
            echo "#define ${pfx}${ucname} 1" >> $header
502
            echo "${pfx}${ucname}=yes" >> $makefile
503
        else
504
            echo "#define ${pfx}${ucname} 0" >> $header
505
            echo "!${pfx}${ucname}=yes" >> $makefile
506
        fi
507
    done
508
}
509

    
510
flags_saved(){
511
    (: ${SAVE_CFLAGS?}) 2> /dev/null
512
}
513

    
514
save_flags(){
515
    flags_saved && return
516
    SAVE_CFLAGS="$CFLAGS"
517
    SAVE_LDFLAGS="$LDFLAGS"
518
    SAVE_extralibs="$extralibs"
519
}
520

    
521
restore_flags(){
522
    flags_saved || return
523
    CFLAGS="$SAVE_CFLAGS"
524
    LDFLAGS="$SAVE_LDFLAGS"
525
    extralibs="$SAVE_extralibs"
526
    unset SAVE_CFLAGS
527
    unset SAVE_LDFLAGS
528
    unset SAVE_extralibs
529
}
530

    
531
temp_cflags(){
532
    save_flags
533
    CFLAGS="$CFLAGS $*"
534
}
535

    
536
temp_ldflags(){
537
    save_flags
538
    LDFLAGS="$LDFLAGS $*"
539
}
540

    
541
temp_extralibs(){
542
    save_flags
543
    extralibs="$extralibs $*"
544
}
545

    
546
append(){
547
    var=$1
548
    shift
549
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
550
    eval "$var=\"\$$var $*\""
551
}
552

    
553
add_cppflags(){
554
    append CPPFLAGS $($filter_cppflags "$@")
555
}
556

    
557
add_cflags(){
558
    append CFLAGS $($filter_cflags "$@")
559
}
560

    
561
add_asflags(){
562
    append ASFLAGS $($filter_asflags "$@")
563
}
564

    
565
add_ldflags(){
566
    append LDFLAGS "$@"
567
}
568

    
569
add_extralibs(){
570
    append extralibs "$@"
571
}
572

    
573
check_cmd(){
574
    log "$@"
575
    "$@" >> $logfile 2>&1
576
}
577

    
578
check_cc(){
579
    log check_cc "$@"
580
    cat > $TMPC
581
    log_file $TMPC
582
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
583
}
584

    
585
check_cpp(){
586
    log check_cpp "$@"
587
    cat > $TMPC
588
    log_file $TMPC
589
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
590
}
591

    
592
check_as(){
593
    log check_as "$@"
594
    cat > $TMPC
595
    log_file $TMPC
596
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
597
}
598

    
599
check_asm(){
600
    log check_asm "$@"
601
    name="$1"
602
    code="$2"
603
    shift 2
604
    disable $name
605
    check_as "$@" <<EOF && enable $name
606
void foo(void){ __asm__ volatile($code); }
607
EOF
608
}
609

    
610
check_yasm(){
611
    log check_yasm "$@"
612
    echo "$1" > $TMPS
613
    log_file $TMPS
614
    shift 1
615
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
616
}
617

    
618
check_ld(){
619
    log check_ld "$@"
620
    flags=''
621
    libs=''
622
    for f; do
623
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
624
    done
625
    check_cc $($filter_cflags $flags) || return
626
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
627
}
628

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

    
637
check_cflags(){
638
    log check_cflags "$@"
639
    set -- $($filter_cflags "$@")
640
    check_cc "$@" <<EOF && append CFLAGS "$@"
641
int x;
642
EOF
643
}
644

    
645
test_ldflags(){
646
    log test_ldflags "$@"
647
    check_ld "$@" <<EOF
648
int main(void){ return 0; }
649
EOF
650
}
651

    
652
check_ldflags(){
653
    log check_ldflags "$@"
654
    test_ldflags "$@" && add_ldflags "$@"
655
}
656

    
657
check_header(){
658
    log check_header "$@"
659
    header=$1
660
    shift
661
    disable_safe $header
662
    check_cpp "$@" <<EOF && enable_safe $header
663
#include <$header>
664
int x;
665
EOF
666
}
667

    
668
check_func(){
669
    log check_func "$@"
670
    func=$1
671
    shift
672
    disable $func
673
    check_ld "$@" <<EOF && enable $func
674
extern int $func();
675
int main(void){ $func(); }
676
EOF
677
}
678

    
679
check_mathfunc(){
680
    log check_mathfunc "$@"
681
    func=$1
682
    shift
683
    disable $func
684
    check_ld "$@" <<EOF && enable $func
685
#include <math.h>
686
float foo(float f) { return $func(f); }
687
int main(void){ return 0; }
688
EOF
689
}
690

    
691
check_func_headers(){
692
    log check_func_headers "$@"
693
    headers=$1
694
    func=$2
695
    shift 2
696
    disable $func
697
    incs=""
698
    for hdr in $headers; do
699
        incs="$incs
700
#include <$hdr>"
701
    done
702
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
703
$incs
704
int main(int argc, char **argv){
705
    return (long) $func;
706
}
707
EOF
708
}
709

    
710
check_cpp_condition(){
711
    log check_cpp_condition "$@"
712
    header=$1
713
    condition=$2
714
    shift 2
715
    check_cpp $($filter_cppflags "$@") <<EOF
716
#include <$header>
717
#if !($condition)
718
#error "unsatisfied condition: $condition"
719
#endif
720
EOF
721
}
722

    
723
check_lib(){
724
    log check_lib "$@"
725
    header="$1"
726
    func="$2"
727
    shift 2
728
    temp_extralibs "$@"
729
    check_header $header && check_func $func && add_extralibs "$@"
730
    err=$?
731
    restore_flags
732
    return $err
733
}
734

    
735
check_lib2(){
736
    log check_lib2 "$@"
737
    headers="$1"
738
    func="$2"
739
    shift 2
740
    check_func_headers "$headers" $func "$@" && add_extralibs "$@"
741
}
742

    
743
check_exec(){
744
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
745
}
746

    
747
check_exec_crash(){
748
    code=$(cat)
749

    
750
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
751
    # are safe but may not be available everywhere.  Thus we use
752
    # raise(SIGTERM) instead.  The check is run in a subshell so we
753
    # can redirect the "Terminated" message from the shell.  SIGBUS
754
    # is not defined by standard C so it is used conditionally.
755

    
756
    (check_exec "$@") >> $logfile 2>&1 <<EOF
757
#include <signal.h>
758
static void sighandler(int sig){
759
    raise(SIGTERM);
760
}
761
int main(void){
762
    signal(SIGILL, sighandler);
763
    signal(SIGFPE, sighandler);
764
    signal(SIGSEGV, sighandler);
765
#ifdef SIGBUS
766
    signal(SIGBUS, sighandler);
767
#endif
768
    { $code }
769
}
770
EOF
771
}
772

    
773
check_type(){
774
    log check_type "$@"
775
    headers=$1
776
    type=$2
777
    shift 2
778
    disable_safe "$type"
779
    incs=""
780
    for hdr in $headers; do
781
        incs="$incs
782
#include <$hdr>"
783
    done
784
    check_cc "$@" <<EOF && enable_safe "$type"
785
$incs
786
$type v;
787
EOF
788
}
789

    
790
check_struct(){
791
    log check_type "$@"
792
    headers=$1
793
    struct=$2
794
    member=$3
795
    shift 3
796
    disable_safe "${struct}_${member}"
797
    incs=""
798
    for hdr in $headers; do
799
        incs="$incs
800
#include <$hdr>"
801
    done
802
    check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
803
$incs
804
const void *p = &(($struct *)0)->$member;
805
EOF
806
}
807

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

    
816
require2(){
817
    name="$1"
818
    headers="$2"
819
    func="$3"
820
    shift 3
821
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
822
}
823

    
824
check_foo_config(){
825
    cfg=$1
826
    pkg=$2
827
    header=$3
828
    func=$4
829
    shift 4
830
    disable $cfg
831
    check_cmd ${pkg}-config --version
832
    err=$?
833
    if test "$err" = 0; then
834
        temp_cflags $(${pkg}-config --cflags)
835
        temp_extralibs $(${pkg}-config --libs)
836
        check_lib "$@" $header $func && enable $cfg
837
    fi
838
    return $err
839
}
840

    
841
check_host_cc(){
842
    log check_host_cc "$@"
843
    cat > $TMPC
844
    log_file $TMPC
845
    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
846
}
847

    
848
check_host_cflags(){
849
    log check_host_cflags "$@"
850
    check_host_cc "$@" <<EOF && append host_cflags "$@"
851
int x;
852
EOF
853
}
854

    
855
apply(){
856
    file=$1
857
    shift
858
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
859
}
860

    
861
cp_if_changed(){
862
    cmp -s "$1" "$2" &&
863
        echo "$2 is unchanged" ||
864
        cp -f "$1" "$2"
865
}
866

    
867
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
868
# system-dependent things.
869

    
870
COMPONENT_LIST="
871
    bsfs
872
    decoders
873
    demuxers
874
    encoders
875
    filters
876
    hwaccels
877
    indevs
878
    muxers
879
    outdevs
880
    parsers
881
    protocols
882
"
883

    
884
CONFIG_LIST="
885
    $COMPONENT_LIST
886
    aandct
887
    avcodec
888
    avdevice
889
    avfilter
890
    avfilter_lavf
891
    avformat
892
    avisynth
893
    beos_netserver
894
    bzlib
895
    dct
896
    doc
897
    dwt
898
    dxva2
899
    fastdiv
900
    ffmpeg
901
    ffplay
902
    ffprobe
903
    ffserver
904
    fft
905
    golomb
906
    gpl
907
    gprof
908
    gray
909
    hardcoded_tables
910
    libdc1394
911
    libdirac
912
    libfaac
913
    libfaad
914
    libfaadbin
915
    libgsm
916
    libmp3lame
917
    libnut
918
    libopencore_amrnb
919
    libopencore_amrwb
920
    libopenjpeg
921
    libschroedinger
922
    libspeex
923
    libtheora
924
    libvorbis
925
    libx264
926
    libxvid
927
    lpc
928
    lsp
929
    mdct
930
    memalign_hack
931
    mlib
932
    mpegaudio_hp
933
    network
934
    nonfree
935
    pic
936
    postproc
937
    powerpc_perf
938
    rdft
939
    runtime_cpudetect
940
    shared
941
    small
942
    sram
943
    static
944
    swscale
945
    swscale_alpha
946
    vaapi
947
    vdpau
948
    version3
949
    x11grab
950
    zlib
951
"
952

    
953
THREADS_LIST='
954
    beosthreads
955
    os2threads
956
    pthreads
957
    w32threads
958
'
959

    
960
ARCH_LIST='
961
    alpha
962
    arm
963
    avr32
964
    avr32_ap
965
    avr32_uc
966
    bfin
967
    ia64
968
    m68k
969
    mips
970
    mips64
971
    parisc
972
    ppc
973
    ppc64
974
    s390
975
    sh4
976
    sparc
977
    sparc64
978
    tomi
979
    x86
980
    x86_32
981
    x86_64
982
'
983

    
984
ARCH_EXT_LIST='
985
    altivec
986
    amd3dnow
987
    amd3dnowext
988
    armv5te
989
    armv6
990
    armv6t2
991
    armvfp
992
    iwmmxt
993
    mmi
994
    mmx
995
    mmx2
996
    neon
997
    ppc4xx
998
    sse
999
    ssse3
1000
    vis
1001
'
1002

    
1003
HAVE_LIST_PUB='
1004
    bigendian
1005
'
1006

    
1007
HAVE_LIST="
1008
    $ARCH_EXT_LIST
1009
    $HAVE_LIST_PUB
1010
    $THREADS_LIST
1011
    alsa_asoundlib_h
1012
    altivec_h
1013
    arpa_inet_h
1014
    attribute_may_alias
1015
    attribute_packed
1016
    bswap
1017
    closesocket
1018
    cmov
1019
    conio_h
1020
    dcbzl
1021
    dev_bktr_ioctl_bt848_h
1022
    dev_bktr_ioctl_meteor_h
1023
    dev_ic_bt8xx_h
1024
    dev_video_meteor_ioctl_meteor_h
1025
    dev_video_bktr_ioctl_bt848_h
1026
    dlfcn_h
1027
    dlopen
1028
    dos_paths
1029
    ebp_available
1030
    ebx_available
1031
    exp2
1032
    exp2f
1033
    fast_64bit
1034
    fast_clz
1035
    fast_cmov
1036
    fast_unaligned
1037
    fork
1038
    getaddrinfo
1039
    gethrtime
1040
    GetProcessMemoryInfo
1041
    GetProcessTimes
1042
    getrusage
1043
    struct_rusage_ru_maxrss
1044
    inet_aton
1045
    inline_asm
1046
    isatty
1047
    ldbrx
1048
    libdc1394_1
1049
    libdc1394_2
1050
    llrint
1051
    local_aligned_16
1052
    local_aligned_8
1053
    log2
1054
    log2f
1055
    loongson
1056
    lrint
1057
    lrintf
1058
    lzo1x_999_compress
1059
    machine_ioctl_bt848_h
1060
    machine_ioctl_meteor_h
1061
    malloc_h
1062
    memalign
1063
    mkstemp
1064
    pld
1065
    posix_memalign
1066
    round
1067
    roundf
1068
    sdl
1069
    sdl_video_size
1070
    setmode
1071
    socklen_t
1072
    soundcard_h
1073
    poll_h
1074
    setrlimit
1075
    struct_addrinfo
1076
    struct_ipv6_mreq
1077
    struct_sockaddr_in6
1078
    struct_sockaddr_sa_len
1079
    struct_sockaddr_storage
1080
    sys_mman_h
1081
    sys_resource_h
1082
    sys_select_h
1083
    sys_soundcard_h
1084
    sys_videoio_h
1085
    ten_operands
1086
    termios_h
1087
    threads
1088
    truncf
1089
    vfp_args
1090
    VirtualAlloc
1091
    winsock2_h
1092
    xform_asm
1093
    yasm
1094
"
1095

    
1096
# options emitted with CONFIG_ prefix but not available on command line
1097
CONFIG_EXTRA="
1098
    avutil
1099
    gplv3
1100
    lgplv3
1101
"
1102

    
1103
CMDLINE_SELECT="
1104
    $ARCH_EXT_LIST
1105
    $CONFIG_LIST
1106
    $THREADS_LIST
1107
    asm
1108
    cross_compile
1109
    debug
1110
    extra_warnings
1111
    logging
1112
    optimizations
1113
    stripping
1114
    yasm
1115
"
1116

    
1117
PATHS_LIST='
1118
    bindir
1119
    datadir
1120
    incdir
1121
    libdir
1122
    mandir
1123
    prefix
1124
    shlibdir
1125
'
1126

    
1127
CMDLINE_SET="
1128
    $PATHS_LIST
1129
    arch
1130
    as
1131
    build_suffix
1132
    cc
1133
    cpu
1134
    cross_prefix
1135
    dep_cc
1136
    extra_version
1137
    host_cc
1138
    host_cflags
1139
    host_ldflags
1140
    host_libs
1141
    host_os
1142
    ld
1143
    logfile
1144
    malloc_prefix
1145
    nm
1146
    source_path
1147
    strip
1148
    sysinclude
1149
    sysroot
1150
    target_exec
1151
    target_os
1152
    target_path
1153
"
1154

    
1155
CMDLINE_APPEND="
1156
    extra_cflags
1157
"
1158

    
1159
# code dependency declarations
1160

    
1161
# architecture extensions
1162

    
1163
armv5te_deps="arm"
1164
armv6_deps="arm"
1165
armv6t2_deps="arm"
1166
armvfp_deps="arm"
1167
iwmmxt_deps="arm"
1168
neon_deps="arm"
1169

    
1170
mmi_deps="mips"
1171

    
1172
altivec_deps="ppc"
1173
ppc4xx_deps="ppc"
1174

    
1175
vis_deps="sparc"
1176

    
1177
x86_64_suggest="cmov fast_cmov"
1178
amd3dnow_deps="mmx"
1179
amd3dnowext_deps="amd3dnow"
1180
mmx_deps="x86"
1181
mmx2_deps="mmx"
1182
sse_deps="mmx"
1183
ssse3_deps="sse"
1184

    
1185
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1186
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1187
fast_unaligned_if_any="armv6 ppc x86"
1188

    
1189
need_memalign="altivec neon sse"
1190
inline_asm_deps="!tms470"
1191

    
1192
# subsystems
1193
mdct_select="fft"
1194
rdft_select="fft"
1195

    
1196
# decoders / encoders / hardware accelerators
1197
aac_decoder_select="mdct rdft aac_parser"
1198
aac_encoder_select="mdct"
1199
ac3_decoder_select="mdct ac3_parser"
1200
alac_encoder_select="lpc"
1201
amrnb_decoder_select="lsp"
1202
atrac1_decoder_select="mdct"
1203
atrac3_decoder_select="mdct"
1204
binkaudio_dct_decoder_select="mdct rdft dct"
1205
binkaudio_rdft_decoder_select="mdct rdft"
1206
cavs_decoder_select="golomb"
1207
cook_decoder_select="mdct"
1208
cscd_decoder_suggest="zlib"
1209
dca_decoder_select="mdct"
1210
dnxhd_encoder_select="aandct"
1211
dxa_decoder_select="zlib"
1212
eac3_decoder_select="ac3_decoder"
1213
eamad_decoder_select="aandct"
1214
eatgq_decoder_select="aandct"
1215
eatqi_decoder_select="aandct"
1216
ffv1_decoder_select="golomb"
1217
flac_decoder_select="golomb"
1218
flac_encoder_select="golomb lpc"
1219
flashsv_decoder_select="zlib"
1220
flashsv_encoder_select="zlib"
1221
flv_decoder_select="h263_decoder"
1222
flv_encoder_select="h263_encoder"
1223
h261_encoder_select="aandct"
1224
h263_decoder_select="h263_parser"
1225
h263_encoder_select="aandct"
1226
h263_vaapi_hwaccel_deps="va_va_h"
1227
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1228
h263i_decoder_select="h263_decoder"
1229
h263p_encoder_select="h263_encoder"
1230
h264_decoder_select="golomb"
1231
h264_dxva2_hwaccel_deps="dxva2api_h"
1232
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1233
h264_vaapi_hwaccel_deps="va_va_h"
1234
h264_vaapi_hwaccel_select="vaapi"
1235
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1236
h264_vdpau_decoder_select="vdpau h264_decoder"
1237
imc_decoder_select="fft mdct"
1238
jpegls_decoder_select="golomb"
1239
jpegls_encoder_select="golomb"
1240
ljpeg_encoder_select="aandct"
1241
loco_decoder_select="golomb"
1242
mjpeg_encoder_select="aandct"
1243
mlp_decoder_select="mlp_parser"
1244
mpeg1video_encoder_select="aandct"
1245
mpeg2video_encoder_select="aandct"
1246
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1247
mpeg4_encoder_select="h263_encoder"
1248
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1249
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1250
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1251
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1252
mpeg2_vaapi_hwaccel_deps="va_va_h"
1253
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1254
mpeg4_vaapi_hwaccel_deps="va_va_h"
1255
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1256
mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1257
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1258
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1259
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1260
msmpeg4v1_decoder_select="h263_decoder"
1261
msmpeg4v1_encoder_select="h263_encoder"
1262
msmpeg4v2_decoder_select="h263_decoder"
1263
msmpeg4v2_encoder_select="h263_encoder"
1264
msmpeg4v3_decoder_select="h263_decoder"
1265
msmpeg4v3_encoder_select="h263_encoder"
1266
nellymoser_decoder_select="mdct"
1267
nellymoser_encoder_select="mdct"
1268
png_decoder_select="zlib"
1269
png_encoder_select="zlib"
1270
qcelp_decoder_select="lsp"
1271
qdm2_decoder_select="mdct rdft"
1272
rv10_decoder_select="h263_decoder"
1273
rv10_encoder_select="h263_encoder"
1274
rv20_decoder_select="h263_decoder"
1275
rv20_encoder_select="h263_encoder"
1276
rv30_decoder_select="golomb"
1277
rv40_decoder_select="golomb"
1278
shorten_decoder_select="golomb"
1279
sipr_decoder_select="lsp"
1280
snow_decoder_select="dwt"
1281
snow_encoder_select="aandct dwt"
1282
sonic_decoder_select="golomb"
1283
sonic_encoder_select="golomb"
1284
sonic_ls_encoder_select="golomb"
1285
svq1_encoder_select="aandct"
1286
svq3_decoder_select="golomb"
1287
svq3_decoder_suggest="zlib"
1288
theora_decoder_select="vp3_decoder"
1289
tiff_decoder_suggest="zlib"
1290
tiff_encoder_suggest="zlib"
1291
truehd_decoder_select="mlp_decoder"
1292
tscc_decoder_select="zlib"
1293
twinvq_decoder_select="mdct lsp"
1294
vc1_decoder_select="h263_decoder"
1295
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1296
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1297
vc1_vaapi_hwaccel_deps="va_va_h"
1298
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1299
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1300
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1301
vorbis_decoder_select="mdct"
1302
vorbis_encoder_select="mdct"
1303
vp6a_decoder_select="vp6_decoder"
1304
vp6f_decoder_select="vp6_decoder"
1305
wmapro_decoder_select="mdct"
1306
wmav1_decoder_select="mdct"
1307
wmav1_encoder_select="mdct"
1308
wmav2_decoder_select="mdct"
1309
wmav2_encoder_select="mdct"
1310
wmavoice_decoder_select="lsp"
1311
wmv1_decoder_select="h263_decoder"
1312
wmv1_encoder_select="h263_encoder"
1313
wmv2_decoder_select="h263_decoder"
1314
wmv2_encoder_select="h263_encoder"
1315
wmv3_decoder_select="vc1_decoder"
1316
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1317
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1318
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1319
zlib_decoder_select="zlib"
1320
zlib_encoder_select="zlib"
1321
zmbv_decoder_select="zlib"
1322
zmbv_encoder_select="zlib"
1323

    
1324
# parsers
1325
h264_parser_select="golomb"
1326

    
1327
# bitstream_filters
1328
aac_adtstoasc_bsf_select="aac_parser"
1329

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

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

    
1381
# indevs / outdevs
1382
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1383
alsa_indev_extralibs="-lasound"
1384
alsa_outdev_deps="alsa_asoundlib_h"
1385
alsa_outdev_extralibs="-lasound"
1386
audio_beos_indev_deps="audio_beos"
1387
audio_beos_indev_extralibs="-lmedia -lbe"
1388
audio_beos_outdev_deps="audio_beos"
1389
audio_beos_outdev_extralibs="-lmedia -lbe"
1390
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1391
dv1394_indev_deps="dv1394 dv_demuxer"
1392
jack_indev_deps="jack_jack_h"
1393
jack_indev_extralibs="-ljack"
1394
libdc1394_indev_deps="libdc1394"
1395
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1396
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1397
v4l_indev_deps="linux_videodev_h"
1398
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1399
vfwcap_indev_deps="capCreateCaptureWindow"
1400
vfwcap_indev_extralibs="-lavicap32"
1401
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1402
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1403

    
1404
# protocols
1405
gopher_protocol_deps="network"
1406
http_protocol_deps="network"
1407
http_protocol_select="tcp_protocol"
1408
rtmp_protocol_deps="tcp_protocol"
1409
rtp_protocol_deps="udp_protocol"
1410
tcp_protocol_deps="network"
1411
udp_protocol_deps="network"
1412

    
1413
# filters
1414
movie_filter_deps="avfilter_lavf"
1415
avfilter_lavf_deps="avformat"
1416

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

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

    
1429
doc_deps="texi2html"
1430

    
1431
# default parameters
1432

    
1433
logfile="config.err"
1434

    
1435
# installation paths
1436
prefix_default="/usr/local"
1437
bindir_default='${prefix}/bin'
1438
datadir_default='${prefix}/share/ffmpeg'
1439
incdir_default='${prefix}/include'
1440
libdir_default='${prefix}/lib'
1441
mandir_default='${prefix}/share/man'
1442
shlibdir_default="$libdir_default"
1443

    
1444
# toolchain
1445
ar="ar"
1446
cc_default="gcc"
1447
cc_version=\"unknown\"
1448
host_cc_default="gcc"
1449
ln_s="ln -sf"
1450
nm_default="nm"
1451
objformat="elf"
1452
ranlib="ranlib"
1453
strip_default="strip"
1454
yasmexe="yasm"
1455

    
1456
nm_opts='-g'
1457

    
1458
# machine
1459
arch_default=$(uname -m)
1460
cpu="generic"
1461

    
1462
# OS
1463
target_os_default=$(tolower $(uname -s))
1464
host_os=$target_os_default
1465

    
1466
# configurable options
1467
enable avcodec
1468
enable avdevice
1469
enable avformat
1470
enable avutil
1471
enable asm
1472
enable debug
1473
enable doc
1474
enable fastdiv
1475
enable ffmpeg
1476
enable ffplay
1477
enable ffprobe
1478
enable ffserver
1479
enable mpegaudio_hp
1480
enable network
1481
enable optimizations
1482
enable protocols
1483
enable static
1484
enable stripping
1485
enable swscale
1486
enable swscale_alpha
1487

    
1488
# build settings
1489
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1490
FFSERVERLDFLAGS=-Wl,-E
1491
LIBPREF="lib"
1492
LIBSUF=".a"
1493
FULLNAME='$(NAME)$(BUILDSUF)'
1494
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1495
SLIBPREF="lib"
1496
SLIBSUF=".so"
1497
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1498
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1499
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1500
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1501

    
1502
CC_O='-o $@'
1503

    
1504
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1505
host_libs='-lm'
1506

    
1507
target_path='$(CURDIR)'
1508

    
1509
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1510
# full relative path for objects in subdirectories for non-recursive Make.
1511
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1512
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1513

    
1514
# find source path
1515
source_path="$(dirname "$0")"
1516
enable source_path_used
1517
if test -f configure; then
1518
    source_path="$(pwd)"
1519
    disable source_path_used
1520
else
1521
    source_path="$(cd "$source_path"; pwd)"
1522
    echo "$source_path" | grep -q '[[:blank:]]' &&
1523
        die "Out of tree builds are impossible with whitespace in source path."
1524
    test -e "$source_path/config.h" &&
1525
        die "Out of tree builds are impossible with config.h in source dir."
1526
fi
1527

    
1528
for v in "$@"; do
1529
    r=${v#*=}
1530
    l=${v%"$r"}
1531
    r=$(sh_quote "$r")
1532
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1533
done
1534

    
1535
find_things(){
1536
    thing=$1
1537
    pattern=$2
1538
    file=$source_path/$3
1539
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1540
}
1541

    
1542
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1543
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1544
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1545
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1546
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1547
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1548
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1549
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1550
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1551
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1552
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1553

    
1554
enable $ARCH_EXT_LIST \
1555
       $DECODER_LIST \
1556
       $ENCODER_LIST \
1557
       $HWACCEL_LIST \
1558
       $PARSER_LIST \
1559
       $BSF_LIST \
1560
       $DEMUXER_LIST \
1561
       $MUXER_LIST \
1562
       $FILTER_LIST \
1563
       $PROTOCOL_LIST \
1564
       $INDEV_LIST \
1565
       $OUTDEV_LIST \
1566

    
1567
die_unknown(){
1568
    echo "Unknown option \"$1\"."
1569
    echo "See $0 --help for available options."
1570
    exit 1
1571
}
1572

    
1573
show_list() {
1574
    suffix=_$1
1575
    shift
1576
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1577
    exit 0
1578
}
1579

    
1580
for opt do
1581
    optval="${opt#*=}"
1582
    case "$opt" in
1583
    --extra-ldflags=*) add_ldflags $optval
1584
    ;;
1585
    --extra-libs=*) add_extralibs $optval
1586
    ;;
1587
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1588
    ;;
1589
    --enable-debug=*) debuglevel="$optval"
1590
    ;;
1591
    --disable-everything)
1592
    map 'eval disable \${$(toupper ${_%s})_LIST}' $COMPONENT_LIST
1593
    ;;
1594
    --enable-*=*|--disable-*=*)
1595
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1596
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1597
    eval list=\$$(toupper $thing)_LIST
1598
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1599
    $action $(filter "$name" $list)
1600
    ;;
1601
    --enable-?*|--disable-?*)
1602
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1603
    if is_in $option $COMPONENT_LIST; then
1604
        test $action = disable && action=unset
1605
        eval $action \$$(toupper ${option%s})_LIST
1606
    elif is_in $option $CMDLINE_SELECT; then
1607
        $action $option
1608
    else
1609
        die_unknown $opt
1610
    fi
1611
    ;;
1612
    --list-*)
1613
        NAME="${opt#--list-}"
1614
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1615
        NAME=${NAME%s}
1616
        eval show_list $NAME \$$(toupper $NAME)_LIST
1617
    ;;
1618
    --help|-h) show_help
1619
    ;;
1620
    *)
1621
    optname="${opt%%=*}"
1622
    optname="${optname#--}"
1623
    optname=$(echo "$optname" | sed 's/-/_/g')
1624
    if is_in $optname $CMDLINE_SET; then
1625
        eval $optname='$optval'
1626
    elif is_in $optname $CMDLINE_APPEND; then
1627
        append $optname "$optval"
1628
    else
1629
         die_unknown $opt
1630
    fi
1631
    ;;
1632
    esac
1633
done
1634

    
1635
disabled logging && logfile=/dev/null
1636

    
1637
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1638
set >> $logfile
1639

    
1640
test -n "$cross_prefix" && enable cross_compile
1641

    
1642
if enabled cross_compile; then
1643
    test -n "$arch" && test -n "$target_os" ||
1644
        die "Must specify target arch and OS when cross-compiling"
1645
fi
1646

    
1647
set_default arch target_os
1648

    
1649
ar="${cross_prefix}${ar}"
1650
cc_default="${cross_prefix}${cc_default}"
1651
nm_default="${cross_prefix}${nm_default}"
1652
ranlib="${cross_prefix}${ranlib}"
1653
strip_default="${cross_prefix}${strip_default}"
1654

    
1655
sysinclude_default="${sysroot}/usr/include"
1656

    
1657
set_default cc nm strip sysinclude
1658
enabled cross_compile || host_cc_default=$cc
1659
set_default host_cc
1660

    
1661
exesuf() {
1662
    case $1 in
1663
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1664
    esac
1665
}
1666

    
1667
EXESUF=$(exesuf $target_os)
1668
HOSTEXESUF=$(exesuf $host_os)
1669

    
1670
# set temporary file name
1671
: ${TMPDIR:=$TEMPDIR}
1672
: ${TMPDIR:=$TMP}
1673
: ${TMPDIR:=/tmp}
1674

    
1675
if ! check_cmd type mktemp; then
1676
    # simple replacement for missing mktemp
1677
    # NOT SAFE FOR GENERAL USE
1678
    mktemp(){
1679
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1680
    }
1681
fi
1682

    
1683
tmpfile(){
1684
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1685
        (set -C; exec > $tmp) 2>/dev/null ||
1686
        die "Unable to create temporary file in $TMPDIR."
1687
    append TMPFILES $tmp
1688
    eval $1=$tmp
1689
}
1690

    
1691
trap 'rm -f -- $TMPFILES' EXIT
1692
trap exit HUP INT TERM
1693

    
1694
tmpfile TMPC  .c
1695
tmpfile TMPE  $EXESUF
1696
tmpfile TMPH  .h
1697
tmpfile TMPO  .o
1698
tmpfile TMPS  .S
1699
tmpfile TMPV  .ver
1700
tmpfile TMPSH .sh
1701

    
1702
unset -f mktemp
1703

    
1704
# make sure we can execute files in $TMPDIR
1705
cat > $TMPSH 2>> $logfile <<EOF
1706
#! /bin/sh
1707
EOF
1708
chmod +x $TMPSH >> $logfile 2>&1
1709
if ! $TMPSH >> $logfile 2>&1; then
1710
    cat <<EOF
1711
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1712
variable to another directory and make sure that it is not mounted noexec.
1713
EOF
1714
    die "Sanity test failed."
1715
fi
1716

    
1717
filter_cflags=echo
1718
filter_cppflags=echo
1719
filter_asflags=echo
1720

    
1721
if   $cc -v 2>&1 | grep -qi ^gcc; then
1722
    cc_type=gcc
1723
    cc_version=__VERSION__
1724
    if ! $cc -dumpversion | grep -q '^2\.'; then
1725
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1726
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1727
    fi
1728
    speed_cflags='-O3'
1729
    size_cflags='-Os'
1730
elif $cc --version 2>/dev/null | grep -q Intel; then
1731
    cc_type=icc
1732
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1733
    CC_DEPFLAGS='-MMD'
1734
    AS_DEPFLAGS='-MMD'
1735
    speed_cflags='-O3'
1736
    size_cflags='-Os'
1737
elif $cc -v 2>&1 | grep -q xlc; then
1738
    cc_type=xlc
1739
    cc_version="AV_STRINGIFY(__IBMC__)"
1740
    speed_cflags='-O5'
1741
    size_cflags='-O5 -qcompact'
1742
elif $cc -V 2>/dev/null | grep -q Compaq; then
1743
    cc_type=ccc
1744
    cc_version="AV_STRINGIFY(__DECC_VER)"
1745
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1746
    debuglevel=3
1747
    add_ldflags -Wl,-z,now # calls to libots crash without this
1748
    speed_cflags='-fast'
1749
    size_cflags='-O1'
1750
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1751
    test -d "$sysroot" || die "No valid sysroot specified."
1752
    cc_type=armcc
1753
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1754
    armcc_conf="$PWD/armcc.conf"
1755
    $cc --arm_linux_configure                 \
1756
        --arm_linux_config_file="$armcc_conf" \
1757
        --configure_sysroot="$sysroot"        \
1758
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1759
        die "Error creating armcc configuration file."
1760
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1761
    as_default="${cross_prefix}gcc"
1762
    CC_DEPFLAGS='-MMD'
1763
    AS_DEPFLAGS='-MMD'
1764
    speed_cflags='-O3'
1765
    size_cflags='-Os'
1766
elif $cc -version 2>/dev/null | grep -q TMS470; then
1767
    cc_type=tms470
1768
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1769
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1770
    CC_O='-fr=$(@D)'
1771
    as_default="${cross_prefix}gcc"
1772
    ld_default="${cross_prefix}gcc"
1773
    TMPO=$(basename $TMPC .c).o
1774
    append TMPFILES $TMPO
1775
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1776
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1777
    AS_DEPFLAGS='-MMD'
1778
    speed_cflags='-O3 -mf=5'
1779
    size_cflags='-O3 -mf=2'
1780
    filter_cflags=tms470_flags
1781
    tms470_flags(){
1782
        for flag; do
1783
            case $flag in
1784
                -march=*|-mcpu=*)
1785
                    case "${flag#*=}" in
1786
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1787
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1788
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1789
                        armv6*|arm11*)          echo -mv=6   ;;
1790
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1791
                                                echo -mv=5e  ;;
1792
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1793
                    esac
1794
                    ;;
1795
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1796
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1797
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1798
                -msoft-float)   echo --float_support=vfplib       ;;
1799
                -O[0-3]|-mf=*)  echo $flag                        ;;
1800
                -g)             echo -g -mn                       ;;
1801
                -pds=*)         echo $flag                        ;;
1802
            esac
1803
        done
1804
    }
1805
elif $cc -v 2>&1 | grep -q clang; then
1806
    cc_type=clang
1807
    cc_version=__VERSION__
1808
    CC_DEPFLAGS='-MMD'
1809
    AS_DEPFLAGS='-MMD'
1810
    speed_cflags='-O3'
1811
    size_cflags='-Os'
1812
elif $cc -V 2>&1 | grep -q Sun; then
1813
    cc_type=suncc
1814
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1815
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1816
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1817
    speed_cflags='-O5'
1818
    size_cflags='-O5 -xspace'
1819
    filter_cflags=suncc_flags
1820
    suncc_flags(){
1821
        for flag; do
1822
            case $flag in
1823
                -march=*|-mcpu=*)
1824
                    case "${flag#*=}" in
1825
                        native)                   echo -xtarget=native       ;;
1826
                        v9)                       echo -xarch=sparc          ;;
1827
                        ultrasparc)               echo -xarch=sparcvis       ;;
1828
                        ultrasparc3|niagara*)     echo -xarch=sparcvis2      ;;
1829
                        i586|pentium)             echo -xchip=pentium        ;;
1830
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1831
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1832
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1833
                        pentium4*)          echo -xtarget=pentium4           ;;
1834
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1835
                        *-sse3)             echo -xarch=sse3                 ;;
1836
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1837
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1838
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1839
                        k8|opteron|athlon64|athlon-fx)
1840
                                                  echo -xarch=sse2a          ;;
1841
                        athlon*)                  echo -xarch=pentium_proa   ;;
1842
                    esac
1843
                    ;;
1844
                -std=c99)             echo -xc99              ;;
1845
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1846
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1847
                -W*,*)                echo $flag              ;;
1848
                -f*-*|-W*)                                    ;;
1849
                *)                    echo $flag              ;;
1850
            esac
1851
        done
1852
    }
1853
fi
1854

    
1855
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1856

    
1857
: ${as_default:=$cc}
1858
: ${dep_cc_default:=$cc}
1859
: ${ld_default:=$cc}
1860
set_default as dep_cc ld
1861

    
1862
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1863
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1864

    
1865
add_cflags $extra_cflags
1866
add_asflags $extra_cflags
1867

    
1868
if test -n "$sysroot"; then
1869
    case "$cc_type" in
1870
        gcc)
1871
            add_cppflags --sysroot="$sysroot"
1872
            add_ldflags --sysroot="$sysroot"
1873
        ;;
1874
        tms470)
1875
            add_cppflags -I"$sysinclude"
1876
            add_ldflags  --sysroot="$sysroot"
1877
        ;;
1878
        clang)
1879
            add_cppflags -isysroot "$sysroot"
1880
            add_ldflags -isysroot "$sysroot"
1881
        ;;
1882
    esac
1883
fi
1884

    
1885
if test "$cpu" = host; then
1886
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1887

    
1888
    case "$cc_type" in
1889
        gcc)
1890
            check_native(){
1891
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1892
                sed -n "/$1=/{
1893
                            s/.*$1=\\([^ ]*\\).*/\\1/
1894
                            p
1895
                            q
1896
                        }" $TMPE
1897
            }
1898
            cpu=$(check_native -march || check_native -mcpu)
1899
        ;;
1900
    esac
1901

    
1902
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1903
fi
1904

    
1905
# Deal with common $arch aliases
1906
case "$arch" in
1907
    arm*)
1908
        arch="arm"
1909
    ;;
1910
    mips|mipsel|IP*)
1911
        arch="mips"
1912
    ;;
1913
    mips64*)
1914
        arch="mips"
1915
        subarch="mips64"
1916
    ;;
1917
    parisc|hppa)
1918
        arch="parisc"
1919
    ;;
1920
    parisc64|hppa64)
1921
        arch="parisc"
1922
        subarch="parisc64"
1923
    ;;
1924
    "Power Macintosh"|ppc|powerpc)
1925
        arch="ppc"
1926
    ;;
1927
    ppc64|powerpc64)
1928
        arch="ppc"
1929
        subarch="ppc64"
1930
    ;;
1931
    s390|s390x)
1932
        arch="s390"
1933
    ;;
1934
    sh4|sh)
1935
        arch="sh4"
1936
    ;;
1937
    sun4u|sparc64)
1938
        arch="sparc"
1939
        subarch="sparc64"
1940
    ;;
1941
    i[3-6]86|i86pc|BePC|x86_64|amd64)
1942
        arch="x86"
1943
    ;;
1944
esac
1945

    
1946
is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1947
enable $arch
1948

    
1949
# Add processor-specific flags
1950
if test "$cpu" = generic; then
1951
    : do nothing
1952
elif enabled ppc; then
1953

    
1954
    case $(tolower $cpu) in
1955
        601|ppc601|powerpc601)
1956
            cpuflags="-mcpu=601"
1957
            disable altivec
1958
        ;;
1959
        603*|ppc603*|powerpc603*)
1960
            cpuflags="-mcpu=603"
1961
            disable altivec
1962
        ;;
1963
        604*|ppc604*|powerpc604*)
1964
            cpuflags="-mcpu=604"
1965
            disable altivec
1966
        ;;
1967
        g3|75*|ppc75*|powerpc75*)
1968
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1969
            disable altivec
1970
        ;;
1971
        g4|745*|ppc745*|powerpc745*)
1972
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1973
        ;;
1974
        74*|ppc74*|powerpc74*)
1975
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1976
        ;;
1977
        g5|970|ppc970|powerpc970|power4*)
1978
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1979
        ;;
1980
        cell)
1981
            cpuflags="-mcpu=cell"
1982
            enable ldbrx
1983
        ;;
1984
        e500v2)
1985
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1986
            disable altivec
1987
        ;;
1988
        e500)
1989
            cpuflags="-mcpu=8540 -mhard-float"
1990
            disable altivec
1991
        ;;
1992
    esac
1993

    
1994
elif enabled x86; then
1995

    
1996
    case $cpu in
1997
        i[345]86|pentium)
1998
            cpuflags="-march=$cpu"
1999
            disable mmx
2000
        ;;
2001
        # targets that do NOT support conditional mov (cmov)
2002
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2003
            cpuflags="-march=$cpu"
2004
            disable cmov
2005
        ;;
2006
        # targets that do support conditional mov (cmov)
2007
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2008
            cpuflags="-march=$cpu"
2009
            enable cmov
2010
            enable fast_cmov
2011
        ;;
2012
        # targets that do support conditional mov but on which it's slow
2013
        pentium4|pentium4m|prescott|nocona)
2014
            cpuflags="-march=$cpu"
2015
            enable cmov
2016
            disable fast_cmov
2017
        ;;
2018
    esac
2019

    
2020
elif enabled sparc; then
2021

    
2022
    case $cpu in
2023
        sparc64)
2024
            cpuflags="-mcpu=v9"
2025
        ;;
2026
    esac
2027

    
2028
elif enabled arm; then
2029

    
2030
    case $cpu in
2031
        armv*)
2032
            cpuflags="-march=$cpu"
2033
        ;;
2034
        *)
2035
            cpuflags="-mcpu=$cpu"
2036
        ;;
2037
    esac
2038

    
2039
elif enabled alpha; then
2040

    
2041
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2042

    
2043
elif enabled bfin; then
2044

    
2045
    cpuflags="-mcpu=$cpu"
2046

    
2047
elif enabled mips; then
2048

    
2049
    cpuflags="-march=$cpu"
2050

    
2051
elif enabled avr32; then
2052

    
2053
    case $cpu in
2054
        ap7[02]0[0-2])
2055
            subarch="avr32_ap"
2056
            cpuflags="-mpart=$cpu"
2057
        ;;
2058
        ap)
2059
            subarch="avr32_ap"
2060
            cpuflags="-march=$cpu"
2061
        ;;
2062
        uc3[ab]*)
2063
            subarch="avr32_uc"
2064
            cpuflags="-mcpu=$cpu"
2065
        ;;
2066
        uc)
2067
            subarch="avr32_uc"
2068
            cpuflags="-march=$cpu"
2069
        ;;
2070
    esac
2071

    
2072
fi
2073

    
2074
add_cflags $cpuflags
2075
add_asflags $cpuflags
2076

    
2077
# compiler sanity check
2078
check_exec <<EOF
2079
int main(void){ return 0; }
2080
EOF
2081
if test "$?" != 0; then
2082
    echo "$cc is unable to create an executable file."
2083
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2084
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2085
        echo "Only do this if you know what cross compiling means."
2086
    fi
2087
    die "C compiler test failed."
2088
fi
2089

    
2090
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2091
check_cflags -std=c99
2092
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2093
#include <stdlib.h>
2094
EOF
2095
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2096
#include <stdlib.h>
2097
EOF
2098

    
2099
check_host_cflags -std=c99
2100

    
2101
case "$arch" in
2102
    alpha|ia64|mips|parisc|sparc)
2103
        spic=$shared
2104
    ;;
2105
    x86)
2106
        subarch="x86_32"
2107
        check_cc <<EOF && subarch="x86_64"
2108
        int test[(int)sizeof(char*) - 7];
2109
EOF
2110
        if test "$subarch" = "x86_64"; then
2111
            spic=$shared
2112
        fi
2113
    ;;
2114
esac
2115

    
2116
enable $subarch
2117
enabled spic && enable pic
2118
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2119

    
2120
# OS specific
2121
case $target_os in
2122
    beos|haiku|zeta)
2123
        prefix_default="$HOME/config"
2124
        # 3 gcc releases known for BeOS, each with ugly bugs
2125
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2126
        case "$gcc_version" in
2127
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2128
            disable mmx
2129
            ;;
2130
          *20010315*) echo "BeBits gcc"
2131
            add_cflags -fno-expensive-optimizations
2132
            ;;
2133
        esac
2134
        SHFLAGS=-nostart
2135
        # enable BeOS things
2136
        enable audio_beos
2137
        # no need for libm, but the inet stuff
2138
        # Check for BONE
2139
        # XXX: actually should check for NOT net_server
2140
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2141
            network_extralibs="-lbind -lsocket"
2142
        else
2143
            enable beos_netserver
2144
            network_extralibs="-lnet"
2145
        fi ;;
2146
    sunos)
2147
        FFSERVERLDFLAGS=""
2148
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2149
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2150
        network_extralibs="-lsocket -lnsl"
2151
        add_cppflags -D__EXTENSIONS__
2152
        nm_opts='-P -g'
2153
        ;;
2154
    netbsd)
2155
        oss_indev_extralibs="-lossaudio"
2156
        oss_outdev_extralibs="-lossaudio"
2157
        add_cppflags -D_XOPEN_SOURCE=600
2158
        ;;
2159
    openbsd)
2160
        enable malloc_aligned
2161
        # On OpenBSD 4.5. the compiler does not use PIC unless
2162
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2163
        # however the generated executable will not do anything
2164
        # (simply quits with exit-code 1, no crash, no output).
2165
        # Thus explicitly enable PIC here.
2166
        enable pic
2167
        SHFLAGS='-shared'
2168
        oss_indev_extralibs="-lossaudio"
2169
        oss_outdev_extralibs="-lossaudio"
2170
        ;;
2171
    freebsd|dragonfly)
2172
        enable malloc_aligned
2173
        ;;
2174
    bsd/os)
2175
        osextralibs="-lpoll -lgnugetopt"
2176
        strip="strip -d"
2177
        ;;
2178
    darwin)
2179
        enable malloc_aligned
2180
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2181
        strip="strip -x"
2182
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2183
        SLIBSUF=".dylib"
2184
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2185
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2186
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2187
        objformat="macho"
2188
        enabled x86_64 && objformat="macho64"
2189
        enabled_any pic shared ||
2190
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2191
        ;;
2192
    mingw32*)
2193
        if test $target_os = "mingw32ce"; then
2194
            disable network
2195
        else
2196
            target_os=mingw32
2197
        fi
2198
        LIBTARGET=i386
2199
        if enabled x86_64; then
2200
            enable malloc_aligned
2201
            LIBTARGET=x64
2202
        elif enabled arm; then
2203
            LIBTARGET=arm
2204
        fi
2205
        shlibdir_default="$bindir_default"
2206
        disable ffserver
2207
        SLIBPREF=""
2208
        SLIBSUF=".dll"
2209
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2210
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2211
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2212
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2213
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2214
            install -d "$(LIBDIR)"; \
2215
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2216
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2217
        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'
2218
        objformat="win32"
2219
        enable dos_paths
2220
        check_cflags -fno-common
2221
        if ! enabled x86_64; then
2222
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2223
                die "ERROR: MinGW runtime version must be >= 3.15."
2224
            enabled_any avisynth vfwcap_indev &&
2225
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2226
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2227
        fi
2228
        ;;
2229
    cygwin*)
2230
        target_os=cygwin
2231
        shlibdir_default="$bindir_default"
2232
        SLIBPREF="cyg"
2233
        SLIBSUF=".dll"
2234
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2235
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2236
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2237
        objformat="win32"
2238
        enable dos_paths
2239
        check_cflags -fno-common
2240
        ;;
2241
    *-dos|freedos|opendos)
2242
        disable ffplay ffserver
2243
        disable $INDEV_LIST $OUTDEV_LIST
2244
        network_extralibs="-lsocket"
2245
        objformat="coff"
2246
        enable dos_paths
2247
        ;;
2248
    linux)
2249
        enable dv1394
2250
        ;;
2251
    irix*)
2252
        target_os=irix
2253
        ranlib="echo ignoring ranlib"
2254
        ;;
2255
    os/2*)
2256
        strip="lxlite"
2257
        ln_s="cp -f"
2258
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2259
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2260
        FFSERVERLDFLAGS=""
2261
        LIBSUF="_s.a"
2262
        SLIBPREF=""
2263
        SLIBSUF=".dll"
2264
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2265
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2266
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2267
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2268
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2269
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2270
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2271
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2272
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2273
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2274
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2275
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2276
        enable dos_paths
2277
        ;;
2278
    gnu/kfreebsd)
2279
        ;;
2280
    gnu)
2281
        ;;
2282
    none)
2283
        ;;
2284
    *)
2285
        die "Unknown OS '$target_os'."
2286
        ;;
2287
esac
2288

    
2289
set_default $PATHS_LIST
2290

    
2291
add_extralibs $osextralibs
2292

    
2293
# Combine FFLDFLAGS and the LDFLAGS environment variable.
2294
LDFLAGS="$FFLDFLAGS $LDFLAGS"
2295

    
2296
# we need to build at least one lib type
2297
if ! enabled_any static shared; then
2298
    cat <<EOF
2299
At least one library type must be built.
2300
Specify --enable-static to build the static libraries or --enable-shared to
2301
build the shared libraries as well. To only build the shared libraries specify
2302
--disable-static in addition to --enable-shared.
2303
EOF
2304
    exit 1;
2305
fi
2306

    
2307
disabled static && LIBNAME=""
2308

    
2309
if enabled_any libfaad libfaadbin ; then
2310
    if check_header faad.h; then
2311
        check_cc <<EOF
2312
#include <faad.h>
2313
#ifndef FAAD2_VERSION
2314
ok faad1
2315
#endif
2316
int main(void) { return 0; }
2317
EOF
2318
        test $? = 0 && enable libfaad2
2319
    else
2320
        die "FAAD test failed."
2321
    fi
2322
fi
2323

    
2324

    
2325
die_license_disabled() {
2326
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2327
}
2328

    
2329
die_license_disabled gpl libfaad2
2330
die_license_disabled gpl libx264
2331
die_license_disabled gpl libxvid
2332
die_license_disabled gpl postproc
2333
die_license_disabled gpl x11grab
2334

    
2335
die_license_disabled nonfree libfaac
2336

    
2337
die_license_disabled version3 libopencore_amrnb
2338
die_license_disabled version3 libopencore_amrwb
2339

    
2340
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2341

    
2342
check_deps $ARCH_EXT_LIST
2343

    
2344
disabled optimizations || check_cflags -fomit-frame-pointer
2345

    
2346
enable_pic() {
2347
    enable pic
2348
    add_cppflags -DPIC
2349
    add_cflags   -fPIC
2350
    add_asflags  -fPIC
2351
}
2352

    
2353
enabled pic && enable_pic
2354

    
2355
check_cc <<EOF || die "Symbol mangling check failed."
2356
int ff_extern;
2357
EOF
2358
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2359
extern_prefix=${sym%%ff_extern*}
2360

    
2361
check_cc <<EOF && enable inline_asm
2362
void foo(void) { __asm__ volatile ("" ::); }
2363
EOF
2364

    
2365
_restrict=
2366
for restrict_keyword in restrict __restrict__ __restrict; do
2367
    check_cc <<EOF && _restrict=$restrict_keyword && break
2368
void foo(char * $restrict_keyword p);
2369
EOF
2370
done
2371

    
2372
check_cc <<EOF && enable attribute_packed
2373
struct { int x; } __attribute__((packed)) x;
2374
EOF
2375

    
2376
check_cc <<EOF && enable attribute_may_alias
2377
union { int x; } __attribute__((may_alias)) x;
2378
EOF
2379

    
2380
check_cc <<EOF || die "endian test failed"
2381
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2382
EOF
2383
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2384

    
2385
if enabled alpha; then
2386

    
2387
    check_cflags -mieee
2388

    
2389
elif enabled arm; then
2390

    
2391
    check_cflags -marm
2392

    
2393
    check_ld <<EOF && enable vfp_args
2394
__asm__ (".eabi_attribute 28, 1");
2395
int main(void) { return 0; }
2396
EOF
2397

    
2398
    # We have to check if pld is a nop and disable it.
2399
    check_asm pld '"pld [r0]"'
2400

    
2401
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2402
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2403
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2404
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2405
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2406
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2407

    
2408
    enabled_all armv6t2 shared !pic && enable_pic
2409

    
2410
elif enabled ia64; then
2411

    
2412
    # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2413
    enabled shared && enable_weak hardcoded_tables
2414

    
2415
elif enabled mips; then
2416

    
2417
    check_asm loongson '"dmult.g $1, $2, $3"'
2418
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2419

    
2420
elif enabled ppc; then
2421

    
2422
    enable local_aligned_8 local_aligned_16
2423

    
2424
    check_asm dcbzl     '"dcbzl 0, 1"'
2425
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2426
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2427

    
2428
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2429
    if enabled altivec; then
2430
        check_cflags -maltivec -mabi=altivec &&
2431
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2432
        check_cflags -faltivec
2433

    
2434
        # check if our compiler supports Motorola AltiVec C API
2435
        check_cc <<EOF || disable altivec
2436
$inc_altivec_h
2437
int main(void) {
2438
    vector signed int v1, v2, v3;
2439
    v1 = vec_add(v2,v3);
2440
    return 0;
2441
}
2442
EOF
2443

    
2444
        # check if our compiler supports braces for vector declarations
2445
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2446
$inc_altivec_h
2447
int main (void) { (vector int) {1}; return 0; }
2448
EOF
2449
    fi
2450

    
2451
elif enabled sparc; then
2452

    
2453
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2454
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2455

    
2456
elif enabled x86; then
2457

    
2458
    enable local_aligned_8 local_aligned_16
2459

    
2460
    # check whether EBP is available on x86
2461
    # As 'i' is stored on the stack, this program will crash
2462
    # if the base pointer is used to access it because the
2463
    # base pointer is cleared in the inline assembly code.
2464
    check_exec_crash <<EOF && enable ebp_available
2465
    volatile int i=0;
2466
    __asm__ volatile (
2467
        "xorl %%ebp, %%ebp"
2468
    ::: "%ebp");
2469
    return i;
2470
EOF
2471

    
2472
    # check whether EBX is available on x86
2473
    check_asm ebx_available '""::"b"(0)' &&
2474
        check_asm ebx_available '"":::"%ebx"'
2475

    
2476
    # check whether more than 10 operands are supported
2477
    check_cc <<EOF && enable ten_operands
2478
int main(void) {
2479
    int x=0;
2480
    __asm__ volatile(
2481
        ""
2482
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2483
    );
2484
    return 0;
2485
}
2486
EOF
2487

    
2488
    # check whether binutils is new enough to compile SSSE3/MMX2
2489
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2490
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2491

    
2492
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2493

    
2494
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2495
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2496
    enabled     pic           && append YASMFLAGS "-DPIC"
2497
    test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2498
    case "$objformat" in
2499
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2500
    esac
2501
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2502

    
2503
    case "$cpu" in
2504
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2505
            disable fast_clz
2506
        ;;
2507
    esac
2508

    
2509
fi
2510

    
2511
if check_func dlopen; then
2512
    ldl=
2513
elif check_func dlopen -ldl; then
2514
    ldl=-ldl
2515
fi
2516

    
2517
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2518
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2519

    
2520
check_func  fork
2521
check_func  getaddrinfo $network_extralibs
2522
check_func  gethrtime
2523
check_func  getrusage
2524
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2525
check_func  inet_aton $network_extralibs
2526
check_func  isatty
2527
check_func  ${malloc_prefix}memalign            && enable memalign
2528
check_func  mkstemp
2529
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2530
check_func  setrlimit
2531
check_func_headers io.h setmode
2532
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2533
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2534
check_func_headers windows.h GetProcessTimes
2535
check_func_headers windows.h VirtualAlloc
2536

    
2537
check_header conio.h
2538
check_header dlfcn.h
2539
check_header dxva2api.h
2540
check_header malloc.h
2541
check_header poll.h
2542
check_header sys/mman.h
2543
check_header sys/resource.h
2544
check_header sys/select.h
2545
check_header termios.h
2546
check_header vdpau/vdpau.h
2547
check_header vdpau/vdpau_x11.h
2548
check_header X11/extensions/XvMClib.h
2549

    
2550
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2551

    
2552
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2553
     enabled_any $need_memalign ; then
2554
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2555
fi
2556

    
2557
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2558
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2559

    
2560
# check for some common methods of building with pthread support
2561
# do this before the optional library checks as some of them require pthreads
2562
if enabled pthreads; then
2563
    if check_func pthread_create; then
2564
        :
2565
    elif check_func pthread_create -pthread; then
2566
        add_cflags -pthread
2567
        add_extralibs -pthread
2568
    elif check_func pthread_create -pthreads; then
2569
        add_cflags -pthreads
2570
        add_extralibs -pthreads
2571
    elif check_func pthread_create -lpthreadGC2; then
2572
        add_extralibs -lpthreadGC2
2573
    elif ! check_lib pthread.h pthread_create -lpthread; then
2574
        die "ERROR: can't find pthreads library"
2575
    fi
2576
fi
2577

    
2578
for thread in $THREADS_LIST; do
2579
    if enabled $thread; then
2580
        test -n "$thread_type" &&
2581
            die "ERROR: Only one thread type must be selected." ||
2582
            thread_type="$thread"
2583
    fi
2584
done
2585

    
2586
check_lib math.h sin -lm
2587
check_lib va/va.h vaInitialize -lva
2588

    
2589
check_mathfunc exp2
2590
check_mathfunc exp2f
2591
check_mathfunc llrint
2592
check_mathfunc log2
2593
check_mathfunc log2f
2594
check_mathfunc lrint
2595
check_mathfunc lrintf
2596
check_mathfunc round
2597
check_mathfunc roundf
2598
check_mathfunc truncf
2599

    
2600
# these are off by default, so fail if requested and not available
2601
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2602
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2603
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2604
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2605
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2606
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2607
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2608
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2609
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2610
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2611
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2612
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2613
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2614
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2615
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2616
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2617
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2618
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
2619
                      { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2620
                        die "ERROR: libx264 version must be >= 0.83."; }
2621
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2622
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2623

    
2624
# libdc1394 check
2625
if enabled libdc1394; then
2626
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2627
        enable libdc1394_2; } ||
2628
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2629
        enable libdc1394_1; } ||
2630
    die "ERROR: No version of libdc1394 found "
2631
fi
2632

    
2633
SDL_CONFIG="${cross_prefix}sdl-config"
2634
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2635
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2636
    sdl_libs=$("${SDL_CONFIG}" --libs)
2637
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2638
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2639
    enable sdl &&
2640
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2641
fi
2642

    
2643
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2644

    
2645
if enabled network; then
2646
    check_type "sys/types.h sys/socket.h" socklen_t
2647
    check_type netdb.h "struct addrinfo"
2648
    check_type netinet/in.h "struct ipv6_mreq"
2649
    check_type netinet/in.h "struct sockaddr_in6"
2650
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2651
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2652
    # Prefer arpa/inet.h over winsock2
2653
    if check_header arpa/inet.h ; then
2654
        check_func closesocket
2655
    elif check_header winsock2.h ; then
2656
        check_func_headers winsock2.h closesocket -lws2 && \
2657
            network_extralibs="-lws2" || \
2658
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2659
            network_extralibs="-lws2_32"; }
2660
        check_type ws2tcpip.h socklen_t
2661
        check_type ws2tcpip.h "struct addrinfo"
2662
        check_type ws2tcpip.h "struct ipv6_mreq"
2663
        check_type ws2tcpip.h "struct sockaddr_in6"
2664
        check_type ws2tcpip.h "struct sockaddr_storage"
2665
        check_struct winsock2.h "struct sockaddr" sa_len
2666
    else
2667
        disable network
2668
    fi
2669
fi
2670

    
2671
check_header linux/videodev.h
2672
check_header linux/videodev2.h
2673
check_header sys/videoio.h
2674

    
2675
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2676

    
2677
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2678
{ check_header dev/bktr/ioctl_meteor.h &&
2679
  check_header dev/bktr/ioctl_bt848.h; } ||
2680
{ check_header machine/ioctl_meteor.h &&
2681
  check_header machine/ioctl_bt848.h; } ||
2682
{ check_header dev/video/meteor/ioctl_meteor.h &&
2683
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2684
check_header dev/ic/bt8xx.h
2685

    
2686
check_header sys/soundcard.h
2687
check_header soundcard.h
2688

    
2689
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2690

    
2691
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2692

    
2693
enabled x11grab                         &&
2694
check_header X11/Xlib.h                 &&
2695
check_header X11/extensions/XShm.h      &&
2696
check_header X11/extensions/Xfixes.h    &&
2697
check_func XOpenDisplay -lX11           &&
2698
check_func XShmCreateImage -lX11 -lXext &&
2699
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2700

    
2701
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2702
check_cpp_condition \
2703
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2704
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2705
      disable vdpau; }
2706
fi
2707

    
2708
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2709

    
2710
# add some useful compiler flags if supported
2711
check_cflags -Wdeclaration-after-statement
2712
check_cflags -Wall
2713
check_cflags -Wno-switch
2714
check_cflags -Wdisabled-optimization
2715
check_cflags -Wpointer-arith
2716
check_cflags -Wredundant-decls
2717
check_cflags -Wno-pointer-sign
2718
check_cflags -Wcast-qual
2719
check_cflags -Wwrite-strings
2720
check_cflags -Wtype-limits
2721
check_cflags -Wundef
2722
check_cflags -Wmissing-prototypes
2723
enabled extra_warnings && check_cflags -Winline
2724

    
2725
# add some linker flags
2726
check_ldflags -Wl,--warn-common
2727
check_ldflags -Wl,--as-needed
2728
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'
2729
check_ldflags -Wl,-Bsymbolic
2730

    
2731
echo "X{};" > $TMPV
2732
test_ldflags -Wl,--version-script,$TMPV &&
2733
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2734

    
2735
if enabled small; then
2736
    add_cflags $size_cflags
2737
    optimizations="small"
2738
elif enabled optimizations; then
2739
    add_cflags $speed_cflags
2740
fi
2741
check_cflags -fno-math-errno
2742
check_cflags -fno-signed-zeros
2743

    
2744
if enabled icc; then
2745
    # Just warnings, no remarks
2746
    check_cflags -w1
2747
    # -wd: Disable following warnings
2748
    # 144, 167, 556: -Wno-pointer-sign
2749
    # 10006: ignoring unknown option -fno-signed-zeros
2750
    # 10156: ignoring option '-W'; no argument required
2751
    check_cflags -wd144,167,556,10006,10156
2752
    # 11030: Warning unknown option --as-needed
2753
    # 10156: ignoring option '-export'; no argument required
2754
    check_ldflags -wd10156,11030
2755
    # Allow to compile with optimizations
2756
    check_ldflags -march=$cpu
2757
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2758
    enable ebp_available
2759
elif enabled ccc; then
2760
    # disable some annoying warnings
2761
    add_cflags -msg_disable cvtu32to64
2762
    add_cflags -msg_disable embedcomment
2763
    add_cflags -msg_disable needconstext
2764
    add_cflags -msg_disable nomainieee
2765
    add_cflags -msg_disable ptrmismatch1
2766
    add_cflags -msg_disable unreachcode
2767
elif enabled gcc; then
2768
    check_cflags -fno-tree-vectorize
2769
    check_cflags -Werror=implicit
2770
    check_cflags -Werror=missing-prototypes
2771
elif enabled clang; then
2772
    check_cflags -Qunused-arguments
2773
elif enabled armcc; then
2774
    # 2523: use of inline assembler is deprecated
2775
    add_cflags -Wrvct,--diag_suppress=2523
2776
    add_cflags -Wrvct,--diag_suppress=1207
2777
elif enabled tms470; then
2778
    add_cflags -pds=824 -pds=837
2779
fi
2780

    
2781
if enabled gprof; then
2782
    add_cflags  -p
2783
    add_ldflags -p
2784
fi
2785

    
2786
# Find out if the .align argument is a power of two or not.
2787
check_asm asmalign_pot '".align 3"'
2788

    
2789
enabled_any $DECODER_LIST      && enable decoders
2790
enabled_any $ENCODER_LIST      && enable encoders
2791
enabled_any $HWACCEL_LIST      && enable hwaccels
2792
enabled_any $BSF_LIST          && enable bsfs
2793
enabled_any $DEMUXER_LIST      && enable demuxers
2794
enabled_any $MUXER_LIST        && enable muxers
2795
enabled_any $FILTER_LIST       && enable filters
2796
enabled_any $INDEV_LIST        && enable indevs
2797
enabled_any $OUTDEV_LIST       && enable outdevs
2798
enabled_any $PROTOCOL_LIST     && enable protocols
2799

    
2800
enabled_any $THREADS_LIST      && enable threads
2801

    
2802
check_deps $CONFIG_LIST       \
2803
           $CONFIG_EXTRA      \
2804
           $HAVE_LIST         \
2805
           $DECODER_LIST      \
2806
           $ENCODER_LIST      \
2807
           $HWACCEL_LIST      \
2808
           $PARSER_LIST       \
2809
           $BSF_LIST          \
2810
           $DEMUXER_LIST      \
2811
           $MUXER_LIST        \
2812
           $FILTER_LIST       \
2813
           $INDEV_LIST        \
2814
           $OUTDEV_LIST       \
2815
           $PROTOCOL_LIST     \
2816

    
2817
enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2818

    
2819
echo "install prefix            $prefix"
2820
echo "source path               $source_path"
2821
echo "C compiler                $cc"
2822
echo ".align is power-of-two    $asmalign_pot"
2823
echo "ARCH                      $arch ($cpu)"
2824
if test "$build_suffix" != ""; then
2825
    echo "build suffix              $build_suffix"
2826
fi
2827
if test "$extra_version" != ""; then
2828
    echo "version string suffix     $extra_version"
2829
fi
2830
echo "big-endian                ${bigendian-no}"
2831
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2832
if enabled x86; then
2833
    echo "yasm                      ${yasm-no}"
2834
    echo "MMX enabled               ${mmx-no}"
2835
    echo "MMX2 enabled              ${mmx2-no}"
2836
    echo "3DNow! enabled            ${amd3dnow-no}"
2837
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2838
    echo "SSE enabled               ${sse-no}"
2839
    echo "SSSE3 enabled             ${ssse3-no}"
2840
    echo "CMOV enabled              ${cmov-no}"
2841
    echo "CMOV is fast              ${fast_cmov-no}"
2842
    echo "EBX available             ${ebx_available-no}"
2843
    echo "EBP available             ${ebp_available-no}"
2844
    echo "10 operands supported     ${ten_operands-no}"
2845
fi
2846
if enabled arm; then
2847
    echo "ARMv5TE enabled           ${armv5te-no}"
2848
    echo "ARMv6 enabled             ${armv6-no}"
2849
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2850
    echo "ARM VFP enabled           ${armvfp-no}"
2851
    echo "IWMMXT enabled            ${iwmmxt-no}"
2852
    echo "NEON enabled              ${neon-no}"
2853
fi
2854
if enabled mips; then
2855
    echo "MMI enabled               ${mmi-no}"
2856
fi
2857
if enabled ppc; then
2858
    echo "AltiVec enabled           ${altivec-no}"
2859
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2860
    echo "dcbzl available           ${dcbzl-no}"
2861
    echo "performance report        ${powerpc_perf-no}"
2862
fi
2863
if enabled sparc; then
2864
    echo "VIS enabled               ${vis-no}"
2865
fi
2866
echo "gprof enabled             ${gprof-no}"
2867
echo "debug symbols             ${debug-no}"
2868
echo "strip symbols             ${stripping-no}"
2869
echo "optimizations             ${optimizations-no}"
2870
echo "static                    ${static-no}"
2871
echo "shared                    ${shared-no}"
2872
echo "postprocessing support    ${postproc-no}"
2873
echo "new filter support        ${avfilter-no}"
2874
echo "filters using lavformat   ${avfilter_lavf-no}"
2875
echo "network support           ${network-no}"
2876
echo "threading support         ${thread_type-no}"
2877
echo "SDL support               ${sdl-no}"
2878
echo "Sun medialib support      ${mlib-no}"
2879
echo "AVISynth enabled          ${avisynth-no}"
2880
echo "libdc1394 support         ${libdc1394-no}"
2881
echo "libdirac enabled          ${libdirac-no}"
2882
echo "libfaac enabled           ${libfaac-no}"
2883
echo "libfaad enabled           ${libfaad-no}"
2884
echo "libfaad dlopened          ${libfaadbin-no}"
2885
echo "libgsm enabled            ${libgsm-no}"
2886
echo "libmp3lame enabled        ${libmp3lame-no}"
2887
echo "libnut enabled            ${libnut-no}"
2888
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2889
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2890
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2891
echo "libschroedinger enabled   ${libschroedinger-no}"
2892
echo "libspeex enabled          ${libspeex-no}"
2893
echo "libtheora enabled         ${libtheora-no}"
2894
echo "libvorbis enabled         ${libvorbis-no}"
2895
echo "libx264 enabled           ${libx264-no}"
2896
echo "libxvid enabled           ${libxvid-no}"
2897
echo "zlib enabled              ${zlib-no}"
2898
echo "bzlib enabled             ${bzlib-no}"
2899
echo
2900

    
2901
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2902
    echo "Enabled ${type}s:"
2903
    eval list=\$$(toupper $type)_LIST
2904
    for part in $list; do
2905
        enabled $part && echo ${part%_*}
2906
    done | sort | pr -3 -t
2907
    echo
2908
done
2909

    
2910
license="LGPL version 2.1 or later"
2911
if enabled nonfree; then
2912
    license="nonfree and unredistributable"
2913
elif enabled gplv3; then
2914
    license="GPL version 3 or later"
2915
elif enabled lgplv3; then
2916
    license="LGPL version 3 or later"
2917
elif enabled gpl; then
2918
    license="GPL version 2 or later"
2919
fi
2920

    
2921
echo "License: $license"
2922

    
2923
echo "Creating config.mak and config.h..."
2924

    
2925
# build tree in object directory if source path is different from current one
2926
if enabled source_path_used; then
2927
    DIRS="
2928
        doc
2929
        libavcodec
2930
        libavcodec/$arch
2931
        libavdevice
2932
        libavfilter
2933
        libavformat
2934
        libavutil
2935
        libavutil/$arch
2936
        libpostproc
2937
        libswscale
2938
        libswscale/$arch
2939
        tests
2940
        tools
2941
    "
2942
    FILES="
2943
        Makefile
2944
        common.mak
2945
        subdir.mak
2946
        doc/texi2pod.pl
2947
        libavcodec/Makefile
2948
        libavdevice/Makefile
2949
        libavfilter/Makefile
2950
        libavformat/Makefile
2951
        libavutil/Makefile
2952
        libpostproc/Makefile
2953
        libswscale/Makefile
2954
    "
2955
    map 'mkdir -p $_' $DIRS;
2956
    map '$ln_s "$source_path/$_" $_' $FILES
2957
fi
2958

    
2959
enabled stripping || strip="echo skipping strip"
2960

    
2961
cat > config.mak <<EOF
2962
# Automatically generated by configure - do not modify!
2963
ifndef FFMPEG_CONFIG_MAK
2964
FFMPEG_CONFIG_MAK=1
2965
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2966
prefix=$prefix
2967
LIBDIR=\$(DESTDIR)$libdir
2968
SHLIBDIR=\$(DESTDIR)$shlibdir
2969
INCDIR=\$(DESTDIR)$incdir
2970
BINDIR=\$(DESTDIR)$bindir
2971
DATADIR=\$(DESTDIR)$datadir
2972
MANDIR=\$(DESTDIR)$mandir
2973
SRC_PATH="$source_path"
2974
SRC_PATH_BARE=$source_path
2975
BUILD_ROOT="$PWD"
2976
ARCH=$arch
2977
CC=$cc
2978
AS=$as
2979
LD=$ld
2980
DEPCC=$dep_cc
2981
YASM=$yasmexe
2982
YASMDEP=$yasmexe
2983
AR=$ar
2984
RANLIB=$ranlib
2985
CP=cp -p
2986
LN_S=$ln_s
2987
STRIP=$strip
2988
CPPFLAGS=$CPPFLAGS
2989
CFLAGS=$CFLAGS
2990
ASFLAGS=$ASFLAGS
2991
CC_O=$CC_O
2992
LDFLAGS=$LDFLAGS
2993
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2994
SHFLAGS=$SHFLAGS
2995
YASMFLAGS=$YASMFLAGS
2996
BUILDSUF=$build_suffix
2997
FULLNAME=$FULLNAME
2998
LIBPREF=$LIBPREF
2999
LIBSUF=$LIBSUF
3000
LIBNAME=$LIBNAME
3001
SLIBPREF=$SLIBPREF
3002
SLIBSUF=$SLIBSUF
3003
EXESUF=$EXESUF
3004
EXTRA_VERSION=$extra_version
3005
DEPFLAGS=$DEPFLAGS
3006
CCDEP=$CCDEP
3007
ASDEP=$ASDEP
3008
CC_DEPFLAGS=$CC_DEPFLAGS
3009
AS_DEPFLAGS=$AS_DEPFLAGS
3010
HOSTCC=$host_cc
3011
HOSTCFLAGS=$host_cflags
3012
HOSTEXESUF=$HOSTEXESUF
3013
HOSTLDFLAGS=$host_ldflags
3014
HOSTLIBS=$host_libs
3015
TARGET_EXEC=$target_exec
3016
TARGET_PATH=$target_path
3017
SDL_LIBS=$sdl_libs
3018
SDL_CFLAGS=$sdl_cflags
3019
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3020
EXTRALIBS=$extralibs
3021
INSTALL=install
3022
LIBTARGET=${LIBTARGET}
3023
SLIBNAME=${SLIBNAME}
3024
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3025
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3026
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3027
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3028
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3029
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3030
EOF
3031

    
3032
get_version(){
3033
    name=$1
3034
    file=$source_path/$2
3035
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3036
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3037
    lcname=$(tolower $name)
3038
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3039
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3040
}
3041

    
3042
get_version LIBSWSCALE  libswscale/swscale.h
3043
get_version LIBPOSTPROC libpostproc/postprocess.h
3044
get_version LIBAVCODEC  libavcodec/avcodec.h
3045
get_version LIBAVDEVICE libavdevice/avdevice.h
3046
get_version LIBAVFORMAT libavformat/avformat.h
3047
get_version LIBAVUTIL   libavutil/avutil.h
3048
get_version LIBAVFILTER libavfilter/avfilter.h
3049

    
3050
enabled asmalign_pot || align_shift="1 <<"
3051

    
3052
cat > $TMPH <<EOF
3053
/* Automatically generated by configure - do not modify! */
3054
#ifndef FFMPEG_CONFIG_H
3055
#define FFMPEG_CONFIG_H
3056
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3057
#define FFMPEG_LICENSE "$(c_escape $license)"
3058
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3059
#define CC_TYPE "$cc_type"
3060
#define CC_VERSION $cc_version
3061
#define restrict $_restrict
3062
#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3063
#define EXTERN_PREFIX "${extern_prefix}"
3064
#define EXTERN_ASM ${extern_prefix}
3065
EOF
3066

    
3067
test -n "$malloc_prefix" &&
3068
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3069

    
3070
if enabled small || disabled optimizations; then
3071
    echo "#undef  av_always_inline"  >> $TMPH
3072
    echo "#define av_always_inline"  >> $TMPH
3073
fi
3074

    
3075
print_config ARCH_   $TMPH config.mak $ARCH_LIST
3076
print_config HAVE_   $TMPH config.mak $HAVE_LIST
3077
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
3078
                                      $CONFIG_EXTRA      \
3079
                                      $DECODER_LIST      \
3080
                                      $ENCODER_LIST      \
3081
                                      $HWACCEL_LIST      \
3082
                                      $PARSER_LIST       \
3083
                                      $BSF_LIST          \
3084
                                      $DEMUXER_LIST      \
3085
                                      $MUXER_LIST        \
3086
                                      $FILTER_LIST       \
3087
                                      $PROTOCOL_LIST     \
3088
                                      $INDEV_LIST        \
3089
                                      $OUTDEV_LIST       \
3090

    
3091
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3092
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3093

    
3094
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3095
cp_if_changed $TMPH config.h
3096

    
3097
cat > $TMPH <<EOF
3098
/* Generated by ffconf */
3099
#ifndef AVUTIL_AVCONFIG_H
3100
#define AVUTIL_AVCONFIG_H
3101
EOF
3102

    
3103
print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3104

    
3105
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3106

    
3107
cp_if_changed $TMPH libavutil/avconfig.h
3108

    
3109
# build pkg-config files
3110

    
3111
pkgconfig_generate(){
3112
name=$1
3113
shortname=${name#lib}${build_suffix}
3114
comment=$2
3115
version=$3
3116
libs=$4
3117
requires=$5
3118
cat <<EOF > $name/$name.pc
3119
prefix=$prefix
3120
exec_prefix=\${prefix}
3121
libdir=$libdir
3122
includedir=$incdir
3123

    
3124
Name: $name
3125
Description: $comment
3126
Version: $version
3127
Requires: $(enabled shared || echo $requires)
3128
Requires.private: $(enabled shared && echo $requires)
3129
Conflicts:
3130
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3131
Libs.private: $(enabled shared && echo $libs)
3132
Cflags: -I\${includedir}
3133
EOF
3134
cat <<EOF > $name/$name-uninstalled.pc
3135
prefix=
3136
exec_prefix=
3137
libdir=\${pcfiledir}
3138
includedir=${source_path}
3139

    
3140
Name: $name
3141
Description: $comment
3142
Version: $version
3143
Requires: $requires
3144
Conflicts:
3145
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3146
Cflags: -I\${includedir}
3147
EOF
3148
}
3149

    
3150
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3151
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3152
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3153
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3154
enabled avfilter &&
3155
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3156
enabled postproc &&
3157
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3158
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"