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

    
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# Prevent locale nonsense from breaking basic text processing.
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LC_ALL=C
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export LC_ALL
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]
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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]
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  --disable-doc            do not build documentation
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  --disable-ffmpeg         disable ffmpeg build
84
  --disable-ffplay         disable ffplay build
85
  --disable-ffserver       disable ffserver build
86
  --enable-postproc        enable GPLed postprocessing support [no]
87
  --enable-avfilter        video filter support [no]
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  --enable-avfilter-lavf   video filters dependent on avformat [no]
89
  --enable-beosthreads     use BeOS threads [no]
90
  --enable-os2threads      use OS/2 threads [no]
91
  --enable-pthreads        use pthreads [no]
92
  --enable-w32threads      use Win32 threads [no]
93
  --enable-x11grab         enable X11 grabbing [no]
94
  --disable-network        disable network support [no]
95
  --disable-ipv6           disable IPv6 support [no]
96
  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
97
  --enable-gray            enable full grayscale support (slower color)
98
  --disable-swscale-alpha  disable alpha channel support in swscale
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  --disable-fastdiv        disable table-based division
100
  --enable-small           optimize for size instead of speed
101
  --disable-aandct         disable AAN DCT code
102
  --disable-dct            disable DCT code
103
  --disable-fft            disable FFT code
104
  --disable-golomb         disable Golomb code
105
  --disable-lpc            disable LPC code
106
  --disable-mdct           disable MDCT code
107
  --disable-rdft           disable RDFT code
108
  --disable-vaapi          disable VAAPI code
109
  --disable-vdpau          disable VDPAU code
110
  --disable-dxva2          disable DXVA2 code
111
  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
112
  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
113
  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
114
  --enable-beos-netserver  enable BeOS netserver
115
  --disable-encoder=NAME   disable encoder NAME
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  --enable-encoder=NAME    enable encoder NAME
117
  --disable-encoders       disable all encoders
118
  --disable-decoder=NAME   disable decoder NAME
119
  --enable-decoder=NAME    enable decoder NAME
120
  --disable-decoders       disable all decoders
121
  --disable-hwaccel=NAME   disable hwaccel NAME
122
  --enable-hwaccel=NAME    enable hwaccel NAME
123
  --disable-hwaccels       disable all hwaccels
124
  --disable-muxer=NAME     disable muxer NAME
125
  --enable-muxer=NAME      enable muxer NAME
126
  --disable-muxers         disable all muxers
127
  --disable-demuxer=NAME   disable demuxer NAME
128
  --enable-demuxer=NAME    enable demuxer NAME
129
  --disable-demuxers       disable all demuxers
130
  --enable-parser=NAME     enable parser NAME
131
  --disable-parser=NAME    disable parser NAME
132
  --disable-parsers        disable all parsers
133
  --enable-bsf=NAME        enable bitstream filter NAME
134
  --disable-bsf=NAME       disable bitstream filter NAME
135
  --disable-bsfs           disable all bitstream filters
136
  --enable-protocol=NAME   enable protocol NAME
137
  --disable-protocol=NAME  disable protocol NAME
138
  --disable-protocols      disable all protocols
139
  --disable-indev=NAME     disable input device NAME
140
  --disable-outdev=NAME    disable output device NAME
141
  --disable-indevs         disable input devices
142
  --disable-outdevs        disable output devices
143
  --disable-devices        disable all devices
144
  --enable-filter=NAME     enable filter NAME
145
  --disable-filter=NAME    disable filter NAME
146
  --disable-filters        disable all filters
147
  --list-decoders          show all available decoders
148
  --list-encoders          show all available encoders
149
  --list-hwaccels          show all available hardware accelerators
150
  --list-muxers            show all available muxers
151
  --list-demuxers          show all available demuxers
152
  --list-parsers           show all available parsers
153
  --list-protocols         show all available protocols
154
  --list-bsfs              show all available bitstream filters
155
  --list-indevs            show all available input devices
156
  --list-outdevs           show all available output devices
157
  --list-filters           show all available filters
158

    
159
External library support:
160
  --enable-avisynth        enable reading of AVISynth script files [no]
161
  --enable-bzlib           enable bzlib [autodetect]
162
  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
163
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
164
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
165
                           and libraw1394 [no]
166
  --enable-libdirac        enable Dirac support via libdirac [no]
167
  --enable-libfaac         enable FAAC support via libfaac [no]
168
  --enable-libfaad         enable FAAD support via libfaad [no]
169
  --enable-libfaadbin      open libfaad.so.0 at runtime [no]
170
  --enable-libgsm          enable GSM support via libgsm [no]
171
  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
172
  --enable-libnut          enable NUT (de)muxing via libnut,
173
                           native (de)muxer exists [no]
174
  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
175
  --enable-libschroedinger enable Dirac support via libschroedinger [no]
176
  --enable-libspeex        enable Speex decoding via libspeex [no]
177
  --enable-libtheora       enable Theora encoding via libtheora [no]
178
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
179
                           native implementation exists [no]
180
  --enable-libx264         enable H.264 encoding via x264 [no]
181
  --enable-libxvid         enable Xvid encoding via xvidcore,
182
                           native MPEG-4/Xvid encoder exists [no]
183
  --enable-mlib            enable Sun medialib [no]
184
  --enable-zlib            enable zlib [autodetect]
185

    
186
Advanced options (experts only):
187
  --source-path=PATH       path to source code [$source_path]
188
  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
189
  --enable-cross-compile   assume a cross-compiler is used
190
  --sysroot=PATH           root of cross-build tree
191
  --sysinclude=PATH        location of cross-build system headers
192
  --target-os=OS           compiler targets OS [$target_os]
193
  --target-exec=CMD        command to run executables on target
194
  --target-path=DIR        path to view of build directory on target
195
  --nm=NM                  use nm tool
196
  --as=AS                  use assembler AS [$as_default]
197
  --cc=CC                  use C compiler CC [$cc_default]
198
  --ld=LD                  use linker LD
199
  --host-cc=HOSTCC         use host C compiler HOSTCC
200
  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
201
  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
202
  --host-libs=HLIBS        use libs HLIBS when linking for host
203
  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
204
  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
205
  --extra-libs=ELIBS       add ELIBS [$ELIBS]
206
  --extra-version=STRING   version string suffix []
207
  --build-suffix=SUFFIX    library name suffix []
208
  --arch=ARCH              select architecture [$arch]
209
  --cpu=CPU                select the minimum required CPU (affects
210
                           instruction selection, may crash on older CPUs)
211
  --enable-powerpc-perf    enable performance report on PPC
212
                           (requires enabling PMC)
213
  --disable-asm            disable all assembler optimizations
214
  --disable-altivec        disable AltiVec optimizations
215
  --disable-amd3dnow       disable 3DNow! optimizations
216
  --disable-amd3dnowext    disable 3DNow! extended optimizations
217
  --disable-mmx            disable MMX optimizations
218
  --disable-mmx2           disable MMX2 optimizations
219
  --disable-sse            disable SSE optimizations
220
  --disable-ssse3          disable SSSE3 optimizations
221
  --disable-armv5te        disable armv5te optimizations
222
  --disable-armv6          disable armv6 optimizations
223
  --disable-armv6t2        disable armv6t2 optimizations
224
  --disable-armvfp         disable ARM VFP optimizations
225
  --disable-iwmmxt         disable iwmmxt optimizations
226
  --disable-mmi            disable MMI optimizations
227
  --disable-neon           disable neon optimizations
228
  --disable-vis            disable VIS optimizations
229
  --disable-yasm           disable use of yasm assembler
230
  --enable-pic             build position-independent code
231

    
232
Developer options (useful when working on FFmpeg itself):
233
  --disable-debug          disable debugging symbols
234
  --enable-debug=LEVEL     set the debug level [$debuglevel]
235
  --enable-gprof           enable profiling with gprof [$gprof]
236
  --disable-optimizations  disable compiler optimizations
237
  --enable-extra-warnings  enable more compiler warnings
238
  --disable-stripping      disable stripping of executables and shared libraries
239

    
240
NOTE: Object files are built at the place where configure is launched.
241
EOF
242
  exit 0
243
}
244

    
245
log(){
246
    echo "$@" >> $logfile
247
}
248

    
249
log_file(){
250
    log BEGIN $1
251
    pr -n -t $1 >> $logfile
252
    log END $1
253
}
254

    
255
echolog(){
256
    log "$@"
257
    echo "$@"
258
}
259

    
260
die(){
261
    echolog "$@"
262
    cat <<EOF
263

    
264
If you think configure made a mistake, make sure you are using the latest
265
version from SVN.  If the latest version fails, report the problem to the
266
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
267
EOF
268
    if disabled logging; then
269
        cat <<EOF
270
Rerun configure with logging enabled (do not use --disable-logging), and
271
include the log this produces with your report.
272
EOF
273
    else
274
cat <<EOF
275
Include the log file "$logfile" produced by configure as this will help
276
solving the problem.
277
EOF
278
    fi
279
    exit 1
280
}
281

    
282
# Avoid locale weirdness, besides we really just want to translate ASCII.
283
toupper(){
284
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
285
}
286

    
287
tolower(){
288
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
289
}
290

    
291
c_escape(){
292
    echo "$*" | sed 's/["\\]/\\\0/g'
293
}
294

    
295
sh_quote(){
296
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
297
    test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
298
    echo "$v"
299
}
300

    
301
filter(){
302
    pat=$1
303
    shift
304
    for v; do
305
        eval "case $v in $pat) echo $v ;; esac"
306
    done
307
}
308

    
309
set_all(){
310
    value=$1
311
    shift
312
    for var in $*; do
313
        eval $var=$value
314
    done
315
}
316

    
317
set_weak(){
318
    value=$1
319
    shift
320
    for var; do
321
        eval : \${$var:=$value}
322
    done
323
}
324

    
325
pushvar(){
326
    for var in $*; do
327
        eval level=\${${var}_level:=0}
328
        eval ${var}_${level}="\$$var"
329
        eval ${var}_level=$(($level+1))
330
    done
331
}
332

    
333
popvar(){
334
    for var in $*; do
335
        eval level=\${${var}_level:-0}
336
        test $level = 0 && continue
337
        eval level=$(($level-1))
338
        eval $var="\${${var}_${level}}"
339
        eval ${var}_level=$level
340
        eval unset ${var}_${level}
341
    done
342
}
343

    
344
enable(){
345
    set_all yes $*
346
}
347

    
348
disable(){
349
    set_all no $*
350
}
351

    
352
enable_weak(){
353
    set_weak yes $*
354
}
355

    
356
disable_weak(){
357
    set_weak no $*
358
}
359

    
360
enable_safe(){
361
    for var; do
362
        enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
363
    done
364
}
365

    
366
disable_safe(){
367
    for var; do
368
        disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
369
    done
370
}
371

    
372
do_enable_deep(){
373
    for var; do
374
        enabled $var && continue
375
        eval sel="\$${var}_select"
376
        eval sgs="\$${var}_suggest"
377
        pushvar var sgs
378
        enable_deep $sel
379
        popvar sgs
380
        enable_deep_weak $sgs
381
        popvar var
382
    done
383
}
384

    
385
enable_deep(){
386
    do_enable_deep $*
387
    enable $*
388
}
389

    
390
enable_deep_weak(){
391
    do_enable_deep $*
392
    enable_weak $*
393
}
394

    
395
enabled(){
396
    test "${1#!}" = "$1" && op== || op=!=
397
    eval test "x\$${1#!}" $op "xyes"
398
}
399

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

    
405
enabled_all(){
406
    for opt; do
407
        enabled $opt || return 1
408
    done
409
}
410

    
411
disabled_all(){
412
    for opt; do
413
        disabled $opt || return 1
414
    done
415
}
416

    
417
enabled_any(){
418
    for opt; do
419
        enabled $opt && return 0
420
    done
421
}
422

    
423
disabled_any(){
424
    for opt; do
425
        disabled $opt && return 0
426
    done
427
    return 1
428
}
429

    
430
set_default(){
431
    for opt; do
432
        eval : \${$opt:=\$${opt}_default}
433
    done
434
}
435

    
436
is_in(){
437
    value=$1
438
    shift
439
    for var in $*; do
440
        [ $var = $value ] && return 0
441
    done
442
    return 1
443
}
444

    
445
check_deps(){
446
    for cfg; do
447
        cfg="${cfg#!}"
448
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
449
        disabled ${cfg}_checking && continue
450
        enable ${cfg}_checking
451

    
452
        eval dep_all="\$${cfg}_deps"
453
        eval dep_any="\$${cfg}_deps_any"
454
        eval dep_sel="\$${cfg}_select"
455
        eval dep_sgs="\$${cfg}_suggest"
456
        eval dep_ifa="\$${cfg}_if"
457
        eval dep_ifn="\$${cfg}_if_any"
458

    
459
        pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
460
        check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
461
        popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
462

    
463
        [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
464
        [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
465
        enabled_all  $dep_all || disable $cfg
466
        enabled_any  $dep_any || disable $cfg
467
        disabled_any $dep_sel && disable $cfg
468

    
469
        if enabled $cfg; then
470
            eval dep_extralibs="\$${cfg}_extralibs"
471
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
472
            enable_deep $dep_sel
473
            enable_deep_weak $dep_sgs
474
        fi
475

    
476
        disable ${cfg}_checking
477
    done
478
}
479

    
480
print_config(){
481
    pfx=$1
482
    header=$2
483
    makefile=$3
484
    shift 3
485
    for cfg; do
486
        ucname="$(toupper $cfg)"
487
        if enabled $cfg; then
488
            echo "#define ${pfx}${ucname} 1" >> $header
489
            echo "${pfx}${ucname}=yes" >> $makefile
490
        else
491
            echo "#define ${pfx}${ucname} 0" >> $header
492
            echo "!${pfx}${ucname}=yes" >> $makefile
493
        fi
494
    done
495
}
496

    
497
flags_saved(){
498
    (: ${SAVE_CFLAGS?}) 2> /dev/null
499
}
500

    
501
save_flags(){
502
    flags_saved && return
503
    SAVE_CFLAGS="$CFLAGS"
504
    SAVE_LDFLAGS="$LDFLAGS"
505
    SAVE_extralibs="$extralibs"
506
}
507

    
508
restore_flags(){
509
    flags_saved || return
510
    CFLAGS="$SAVE_CFLAGS"
511
    LDFLAGS="$SAVE_LDFLAGS"
512
    extralibs="$SAVE_extralibs"
513
    unset SAVE_CFLAGS
514
    unset SAVE_LDFLAGS
515
    unset SAVE_extralibs
516
}
517

    
518
temp_cflags(){
519
    save_flags
520
    CFLAGS="$CFLAGS $*"
521
}
522

    
523
temp_ldflags(){
524
    save_flags
525
    LDFLAGS="$LDFLAGS $*"
526
}
527

    
528
temp_extralibs(){
529
    save_flags
530
    extralibs="$extralibs $*"
531
}
532

    
533
append(){
534
    var=$1
535
    shift
536
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
537
    eval "$var=\"\$$var $*\""
538
}
539

    
540
add_cppflags(){
541
    append CPPFLAGS $($filter_cppflags "$@")
542
}
543

    
544
add_cflags(){
545
    append CFLAGS $($filter_cflags "$@")
546
}
547

    
548
add_asflags(){
549
    append ASFLAGS $($filter_asflags "$@")
550
}
551

    
552
add_ldflags(){
553
    append LDFLAGS "$@"
554
}
555

    
556
add_extralibs(){
557
    append extralibs "$@"
558
}
559

    
560
check_cmd(){
561
    log "$@"
562
    "$@" >> $logfile 2>&1
563
}
564

    
565
check_cc(){
566
    log check_cc "$@"
567
    cat > $TMPC
568
    log_file $TMPC
569
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
570
}
571

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

    
579
check_as(){
580
    log check_as "$@"
581
    cat > $TMPC
582
    log_file $TMPC
583
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
584
}
585

    
586
check_asm(){
587
    log check_asm "$@"
588
    name="$1"
589
    code="$2"
590
    shift 2
591
    disable $name
592
    check_as "$@" <<EOF && enable $name
593
void foo(void){ __asm__ volatile($code); }
594
EOF
595
}
596

    
597
check_yasm(){
598
    log check_yasm "$@"
599
    echo "$1" > $TMPS
600
    log_file $TMPS
601
    shift 1
602
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
603
}
604

    
605
check_ld(){
606
    log check_ld "$@"
607
    flags=''
608
    libs=''
609
    for f; do
610
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
611
    done
612
    check_cc $($filter_cflags $flags) || return
613
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
614
}
615

    
616
check_cppflags(){
617
    log check_cppflags "$@"
618
    set -- $($filter_cppflags "$@")
619
    check_cc "$@" <<EOF && append CPPFLAGS "$@"
620
int x;
621
EOF
622
}
623

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

    
632
test_ldflags(){
633
    log test_ldflags "$@"
634
    check_ld "$@" <<EOF
635
int main(void){ return 0; }
636
EOF
637
}
638

    
639
check_ldflags(){
640
    log check_ldflags "$@"
641
    test_ldflags "$@" && add_ldflags "$@"
642
}
643

    
644
check_header(){
645
    log check_header "$@"
646
    header=$1
647
    shift
648
    disable_safe $header
649
    check_cpp "$@" <<EOF && enable_safe $header
650
#include <$header>
651
int x;
652
EOF
653
}
654

    
655
check_func(){
656
    log check_func "$@"
657
    func=$1
658
    shift
659
    disable $func
660
    check_ld "$@" <<EOF && enable $func
661
extern int $func();
662
int main(void){ $func(); }
663
EOF
664
}
665

    
666
check_func_headers(){
667
    log check_func_headers "$@"
668
    headers=$1
669
    func=$2
670
    shift 2
671
    disable $func
672
    incs=""
673
    for hdr in $headers; do
674
        incs="$incs
675
#include <$hdr>"
676
    done
677
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
678
$incs
679
int main(int argc, char **argv){
680
    return (long) $func;
681
}
682
EOF
683
}
684

    
685
check_cpp_condition(){
686
    log check_cpp_condition "$@"
687
    header=$1
688
    condition=$2
689
    shift 2
690
    check_cpp $($filter_cppflags "$@") <<EOF
691
#include <$header>
692
#if !($condition)
693
#error "unsatisfied condition: $condition"
694
#endif
695
EOF
696
}
697

    
698
check_lib(){
699
    log check_lib "$@"
700
    header="$1"
701
    func="$2"
702
    shift 2
703
    temp_extralibs "$@"
704
    check_header $header && check_func $func && add_extralibs "$@"
705
    err=$?
706
    restore_flags
707
    return $err
708
}
709

    
710
check_lib2(){
711
    log check_lib2 "$@"
712
    headers="$1"
713
    func="$2"
714
    shift 2
715
    check_func_headers "$headers" $func "$@" && add_extralibs "$@"
716
}
717

    
718
check_exec(){
719
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
720
}
721

    
722
check_exec_crash(){
723
    code=$(cat)
724

    
725
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
726
    # are safe but may not be available everywhere.  Thus we use
727
    # raise(SIGTERM) instead.  The check is run in a subshell so we
728
    # can redirect the "Terminated" message from the shell.  SIGBUS
729
    # is not defined by standard C so it is used conditionally.
730

    
731
    (check_exec "$@") >> $logfile 2>&1 <<EOF
732
#include <signal.h>
733
static void sighandler(int sig){
734
    raise(SIGTERM);
735
}
736
int main(void){
737
    signal(SIGILL, sighandler);
738
    signal(SIGFPE, sighandler);
739
    signal(SIGSEGV, sighandler);
740
#ifdef SIGBUS
741
    signal(SIGBUS, sighandler);
742
#endif
743
    { $code }
744
}
745
EOF
746
}
747

    
748
check_type(){
749
    log check_type "$@"
750
    headers=$1
751
    type=$2
752
    shift 2
753
    disable_safe "$type"
754
    incs=""
755
    for hdr in $headers; do
756
        incs="$incs
757
#include <$hdr>"
758
    done
759
    check_cc "$@" <<EOF && enable_safe "$type"
760
$incs
761
$type v;
762
EOF
763
}
764

    
765
check_struct(){
766
    log check_type "$@"
767
    headers=$1
768
    struct=$2
769
    member=$3
770
    shift 3
771
    disable_safe "${struct}_${member}"
772
    incs=""
773
    for hdr in $headers; do
774
        incs="$incs
775
#include <$hdr>"
776
    done
777
    check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
778
$incs
779
const void *p = &(($struct *)0)->$member;
780
EOF
781
}
782

    
783
require(){
784
    name="$1"
785
    header="$2"
786
    func="$3"
787
    shift 3
788
    check_lib $header $func "$@" || die "ERROR: $name not found"
789
}
790

    
791
require2(){
792
    name="$1"
793
    headers="$2"
794
    func="$3"
795
    shift 3
796
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
797
}
798

    
799
check_foo_config(){
800
    cfg=$1
801
    pkg=$2
802
    header=$3
803
    func=$4
804
    shift 4
805
    disable $cfg
806
    check_cmd ${pkg}-config --version
807
    err=$?
808
    if test "$err" = 0; then
809
        temp_cflags $(${pkg}-config --cflags)
810
        temp_extralibs $(${pkg}-config --libs)
811
        check_lib "$@" $header $func && enable $cfg
812
    fi
813
    return $err
814
}
815

    
816
check_host_cc(){
817
    log check_host_cc "$@"
818
    cat > $TMPC
819
    log_file $TMPC
820
    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
821
}
822

    
823
check_host_cflags(){
824
    log check_host_cflags "$@"
825
    check_host_cc "$@" <<EOF && append host_cflags "$@"
826
int x;
827
EOF
828
}
829

    
830
apply(){
831
    file=$1
832
    shift
833
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
834
}
835

    
836
cp_if_changed(){
837
    cmp -s "$1" "$2" &&
838
        echo "$2 is unchanged" ||
839
        cp -f "$1" "$2"
840
}
841

    
842
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
843
# system-dependent things.
844

    
845
COMPONENT_LIST="
846
    bsfs
847
    decoders
848
    demuxers
849
    encoders
850
    filters
851
    hwaccels
852
    indevs
853
    muxers
854
    outdevs
855
    parsers
856
    protocols
857
"
858

    
859
CONFIG_LIST="
860
    $COMPONENT_LIST
861
    aandct
862
    avfilter
863
    avfilter_lavf
864
    avisynth
865
    beos_netserver
866
    bzlib
867
    dct
868
    doc
869
    dxva2
870
    fastdiv
871
    ffmpeg
872
    ffplay
873
    ffserver
874
    fft
875
    golomb
876
    gpl
877
    gprof
878
    gray
879
    hardcoded_tables
880
    ipv6
881
    libdc1394
882
    libdirac
883
    libfaac
884
    libfaad
885
    libfaadbin
886
    libgsm
887
    libmp3lame
888
    libnut
889
    libopencore_amrnb
890
    libopencore_amrwb
891
    libopenjpeg
892
    libschroedinger
893
    libspeex
894
    libtheora
895
    libvorbis
896
    libx264
897
    libxvid
898
    lpc
899
    mdct
900
    memalign_hack
901
    mlib
902
    mpegaudio_hp
903
    network
904
    nonfree
905
    pic
906
    postproc
907
    powerpc_perf
908
    rdft
909
    runtime_cpudetect
910
    shared
911
    small
912
    static
913
    swscale_alpha
914
    vaapi
915
    vdpau
916
    version3
917
    x11grab
918
    zlib
919
"
920

    
921
THREADS_LIST='
922
    beosthreads
923
    os2threads
924
    pthreads
925
    w32threads
926
'
927

    
928
ARCH_LIST='
929
    alpha
930
    arm
931
    avr32
932
    avr32_ap
933
    avr32_uc
934
    bfin
935
    ia64
936
    m68k
937
    mips
938
    mips64
939
    parisc
940
    ppc
941
    ppc64
942
    s390
943
    sh4
944
    sparc
945
    sparc64
946
    x86
947
    x86_32
948
    x86_64
949
'
950

    
951
ARCH_EXT_LIST='
952
    altivec
953
    amd3dnow
954
    amd3dnowext
955
    armv5te
956
    armv6
957
    armv6t2
958
    armvfp
959
    iwmmxt
960
    mmi
961
    mmx
962
    mmx2
963
    neon
964
    ppc4xx
965
    sse
966
    ssse3
967
    vis
968
'
969

    
970
HAVE_LIST_PUB='
971
    bigendian
972
'
973

    
974
HAVE_LIST="
975
    $ARCH_EXT_LIST
976
    $HAVE_LIST_PUB
977
    $THREADS_LIST
978
    alsa_asoundlib_h
979
    altivec_h
980
    arpa_inet_h
981
    attribute_packed
982
    bswap
983
    closesocket
984
    cmov
985
    conio_h
986
    dcbzl
987
    dev_bktr_ioctl_bt848_h
988
    dev_bktr_ioctl_meteor_h
989
    dev_ic_bt8xx_h
990
    dev_video_meteor_ioctl_meteor_h
991
    dev_video_bktr_ioctl_bt848_h
992
    dlfcn_h
993
    dlopen
994
    dos_paths
995
    ebp_available
996
    ebx_available
997
    exp2
998
    exp2f
999
    fast_64bit
1000
    fast_clz
1001
    fast_cmov
1002
    fast_unaligned
1003
    fork
1004
    getaddrinfo
1005
    gethrtime
1006
    GetProcessTimes
1007
    getrusage
1008
    inet_aton
1009
    inline_asm
1010
    isatty
1011
    ldbrx
1012
    libdc1394_1
1013
    libdc1394_2
1014
    llrint
1015
    log2
1016
    log2f
1017
    loongson
1018
    lrint
1019
    lrintf
1020
    lzo1x_999_compress
1021
    machine_ioctl_bt848_h
1022
    machine_ioctl_meteor_h
1023
    malloc_h
1024
    memalign
1025
    mkstemp
1026
    pld
1027
    posix_memalign
1028
    round
1029
    roundf
1030
    sdl
1031
    sdl_video_size
1032
    setmode
1033
    socklen_t
1034
    soundcard_h
1035
    poll_h
1036
    struct_addrinfo
1037
    struct_sockaddr_sa_len
1038
    struct_sockaddr_storage
1039
    sys_mman_h
1040
    sys_resource_h
1041
    sys_select_h
1042
    sys_soundcard_h
1043
    sys_videoio_h
1044
    ten_operands
1045
    termios_h
1046
    threads
1047
    truncf
1048
    vfp_args
1049
    VirtualAlloc
1050
    winsock2_h
1051
    xform_asm
1052
    yasm
1053
"
1054

    
1055
# options emitted with CONFIG_ prefix but not available on command line
1056
CONFIG_EXTRA="
1057
    gplv3
1058
    lgplv3
1059
"
1060

    
1061
CMDLINE_SELECT="
1062
    $ARCH_EXT_LIST
1063
    $CONFIG_LIST
1064
    $THREADS_LIST
1065
    asm
1066
    cross_compile
1067
    debug
1068
    extra_warnings
1069
    logging
1070
    optimizations
1071
    stripping
1072
    yasm
1073
"
1074

    
1075
PATHS_LIST='
1076
    bindir
1077
    datadir
1078
    incdir
1079
    libdir
1080
    mandir
1081
    prefix
1082
    shlibdir
1083
'
1084

    
1085
CMDLINE_SET="
1086
    $PATHS_LIST
1087
    arch
1088
    as
1089
    build_suffix
1090
    cc
1091
    cpu
1092
    cross_prefix
1093
    dep_cc
1094
    extra_version
1095
    host_cc
1096
    host_cflags
1097
    host_ldflags
1098
    host_libs
1099
    host_os
1100
    ld
1101
    logfile
1102
    nm
1103
    source_path
1104
    sysinclude
1105
    sysroot
1106
    target_exec
1107
    target_os
1108
    target_path
1109
"
1110

    
1111
CMDLINE_APPEND="
1112
    extra_cflags
1113
"
1114

    
1115
# code dependency declarations
1116

    
1117
# architecture extensions
1118

    
1119
armv5te_deps="arm"
1120
armv6_deps="arm"
1121
armv6t2_deps="arm"
1122
armvfp_deps="arm"
1123
iwmmxt_deps="arm"
1124
neon_deps="arm"
1125

    
1126
mmi_deps="mips"
1127

    
1128
altivec_deps="ppc"
1129
ppc4xx_deps="ppc"
1130

    
1131
vis_deps="sparc"
1132

    
1133
x86_64_select="cmov fast_cmov"
1134
amd3dnow_deps="mmx"
1135
amd3dnowext_deps="amd3dnow"
1136
mmx_deps="x86"
1137
mmx2_deps="mmx"
1138
sse_deps="mmx"
1139
ssse3_deps="sse"
1140

    
1141
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1142
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1143
fast_unaligned_if_any="armv6 ppc x86"
1144

    
1145
need_memalign="altivec neon sse"
1146
inline_asm_deps="!tms470"
1147

    
1148
# decoders / encoders / hardware accelerators
1149
aac_decoder_select="fft mdct aac_parser"
1150
aac_encoder_select="fft mdct"
1151
ac3_decoder_select="fft mdct ac3_parser"
1152
alac_encoder_select="lpc"
1153
atrac3_decoder_select="fft mdct"
1154
cavs_decoder_select="golomb"
1155
cook_decoder_select="fft mdct"
1156
cscd_decoder_suggest="zlib"
1157
dca_decoder_select="fft mdct"
1158
dnxhd_encoder_select="aandct"
1159
dxa_decoder_select="zlib"
1160
eac3_decoder_select="ac3_decoder"
1161
eamad_decoder_select="aandct"
1162
eatgq_decoder_select="aandct"
1163
eatqi_decoder_select="aandct"
1164
ffv1_decoder_select="golomb"
1165
flac_decoder_select="golomb"
1166
flac_encoder_select="golomb lpc"
1167
flashsv_decoder_select="zlib"
1168
flashsv_encoder_select="zlib"
1169
flv_decoder_select="h263_decoder"
1170
flv_encoder_select="h263_encoder"
1171
h261_encoder_select="aandct"
1172
h263_decoder_select="h263_parser"
1173
h263_encoder_select="aandct"
1174
h263_vaapi_hwaccel_deps="va_va_h"
1175
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1176
h263i_decoder_select="h263_decoder"
1177
h263p_encoder_select="h263_encoder"
1178
h264_decoder_select="golomb"
1179
h264_dxva2_hwaccel_deps="dxva2api_h"
1180
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1181
h264_vaapi_hwaccel_deps="va_va_h"
1182
h264_vaapi_hwaccel_select="vaapi"
1183
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1184
h264_vdpau_decoder_select="vdpau h264_decoder"
1185
imc_decoder_select="fft mdct"
1186
jpegls_decoder_select="golomb"
1187
jpegls_encoder_select="golomb"
1188
ljpeg_encoder_select="aandct"
1189
loco_decoder_select="golomb"
1190
mjpeg_encoder_select="aandct"
1191
mlp_decoder_select="mlp_parser"
1192
mpeg1video_encoder_select="aandct"
1193
mpeg2video_encoder_select="aandct"
1194
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1195
mpeg4_encoder_select="h263_encoder"
1196
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1197
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1198
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1199
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1200
mpeg2_vaapi_hwaccel_deps="va_va_h"
1201
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1202
mpeg4_vaapi_hwaccel_deps="va_va_h"
1203
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1204
mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1205
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1206
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1207
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1208
msmpeg4v1_decoder_select="h263_decoder"
1209
msmpeg4v1_encoder_select="h263_encoder"
1210
msmpeg4v2_decoder_select="h263_decoder"
1211
msmpeg4v2_encoder_select="h263_encoder"
1212
msmpeg4v3_decoder_select="h263_decoder"
1213
msmpeg4v3_encoder_select="h263_encoder"
1214
nellymoser_decoder_select="fft mdct"
1215
nellymoser_encoder_select="fft mdct"
1216
png_decoder_select="zlib"
1217
png_encoder_select="zlib"
1218
qdm2_decoder_select="fft mdct rdft"
1219
rv10_decoder_select="h263_decoder"
1220
rv10_encoder_select="h263_encoder"
1221
rv20_decoder_select="h263_decoder"
1222
rv20_encoder_select="h263_encoder"
1223
rv30_decoder_select="golomb"
1224
rv40_decoder_select="golomb"
1225
shorten_decoder_select="golomb"
1226
sonic_decoder_select="golomb"
1227
sonic_encoder_select="golomb"
1228
sonic_ls_encoder_select="golomb"
1229
svq3_decoder_select="golomb"
1230
svq3_decoder_suggest="zlib"
1231
theora_decoder_select="vp3_decoder"
1232
tiff_decoder_suggest="zlib"
1233
tiff_encoder_suggest="zlib"
1234
truehd_decoder_select="mlp_decoder"
1235
tscc_decoder_select="zlib"
1236
vc1_decoder_select="h263_decoder"
1237
vc1_vaapi_hwaccel_deps="va_va_h"
1238
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1239
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1240
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1241
vorbis_decoder_select="fft mdct"
1242
vorbis_encoder_select="fft mdct"
1243
vp6a_decoder_select="vp6_decoder"
1244
vp6f_decoder_select="vp6_decoder"
1245
wmav1_decoder_select="fft mdct"
1246
wmav1_encoder_select="fft mdct"
1247
wmav2_decoder_select="fft mdct"
1248
wmav2_encoder_select="fft mdct"
1249
wmv1_decoder_select="h263_decoder"
1250
wmv1_encoder_select="h263_encoder"
1251
wmv2_decoder_select="h263_decoder"
1252
wmv2_encoder_select="h263_encoder"
1253
wmv3_decoder_select="vc1_decoder"
1254
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1255
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1256
zlib_decoder_select="zlib"
1257
zlib_encoder_select="zlib"
1258
zmbv_decoder_select="zlib"
1259
zmbv_encoder_select="zlib"
1260

    
1261
# parsers
1262
h264_parser_select="golomb"
1263

    
1264
# bitstream_filters
1265
aac_adtstoasc_bsf_select="aac_parser"
1266

    
1267
# external libraries
1268
libdirac_decoder_deps="libdirac !libschroedinger"
1269
libdirac_encoder_deps="libdirac"
1270
libfaac_encoder_deps="libfaac"
1271
libfaad_decoder_deps="libfaad"
1272
libfaadbin_decoder_extralibs='$ldl'
1273
libgsm_decoder_deps="libgsm"
1274
libgsm_encoder_deps="libgsm"
1275
libgsm_ms_decoder_deps="libgsm"
1276
libgsm_ms_encoder_deps="libgsm"
1277
libmp3lame_encoder_deps="libmp3lame"
1278
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1279
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1280
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1281
libopenjpeg_decoder_deps="libopenjpeg"
1282
libschroedinger_decoder_deps="libschroedinger"
1283
libschroedinger_encoder_deps="libschroedinger"
1284
libspeex_decoder_deps="libspeex"
1285
libtheora_encoder_deps="libtheora"
1286
libvorbis_encoder_deps="libvorbis"
1287
libx264_encoder_deps="libx264"
1288
libxvid_encoder_deps="libxvid"
1289

    
1290
# demuxers / muxers
1291
ac3_demuxer_deps="ac3_parser"
1292
asf_stream_muxer_select="asf_muxer"
1293
avisynth_demuxer_deps="avisynth"
1294
dirac_demuxer_deps="dirac_parser"
1295
eac3_demuxer_select="ac3_parser"
1296
ipod_muxer_select="mov_muxer"
1297
libnut_demuxer_deps="libnut"
1298
libnut_muxer_deps="libnut"
1299
matroska_audio_muxer_select="matroska_muxer"
1300
matroska_demuxer_suggest="zlib bzlib"
1301
mov_demuxer_suggest="zlib"
1302
mp3_demuxer_deps="mpegaudio_parser"
1303
mp4_muxer_select="mov_muxer"
1304
mpegtsraw_demuxer_select="mpegts_demuxer"
1305
mxf_d10_muxer_select="mxf_muxer"
1306
ogg_demuxer_select="golomb"
1307
psp_muxer_select="mov_muxer"
1308
rtsp_demuxer_deps="sdp_demuxer"
1309
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1310
spdif_muxer_select="aac_parser"
1311
tg2_muxer_select="mov_muxer"
1312
tgp_muxer_select="mov_muxer"
1313
w64_demuxer_deps="wav_demuxer"
1314

    
1315
# indevs / outdevs
1316
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1317
alsa_indev_extralibs="-lasound"
1318
alsa_outdev_deps="alsa_asoundlib_h"
1319
alsa_outdev_extralibs="-lasound"
1320
audio_beos_indev_deps="audio_beos"
1321
audio_beos_indev_extralibs="-lmedia -lbe"
1322
audio_beos_outdev_deps="audio_beos"
1323
audio_beos_outdev_extralibs="-lmedia -lbe"
1324
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1325
dv1394_indev_deps="dv1394 dv_demuxer"
1326
jack_indev_deps="jack_jack_h"
1327
jack_indev_extralibs="-ljack"
1328
libdc1394_indev_deps="libdc1394"
1329
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1330
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1331
v4l_indev_deps="linux_videodev_h"
1332
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1333
vfwcap_indev_deps="capCreateCaptureWindow"
1334
vfwcap_indev_extralibs="-lvfw32"
1335
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1336
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1337

    
1338
# protocols
1339
gopher_protocol_deps="network"
1340
http_protocol_deps="network"
1341
rtmp_protocol_deps="tcp_protocol"
1342
rtp_protocol_deps="udp_protocol"
1343
tcp_protocol_deps="network"
1344
udp_protocol_deps="network"
1345

    
1346
# filters
1347
movie_filter_deps="avfilter_lavf"
1348

    
1349
# programs
1350
ffplay_deps="sdl"
1351
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1352
ffserver_extralibs='$ldl'
1353

    
1354
doc_deps="texi2html"
1355

    
1356
# default parameters
1357

    
1358
logfile="config.err"
1359

    
1360
# installation paths
1361
prefix_default="/usr/local"
1362
bindir_default='${prefix}/bin'
1363
datadir_default='${prefix}/share/ffmpeg'
1364
incdir_default='${prefix}/include'
1365
libdir_default='${prefix}/lib'
1366
mandir_default='${prefix}/share/man'
1367
shlibdir_default="$libdir_default"
1368

    
1369
# toolchain
1370
ar="ar"
1371
cc_default="gcc"
1372
cc_version=\"unknown\"
1373
host_cc_default="gcc"
1374
ln_s="ln -sf"
1375
nm_default="nm"
1376
objformat="elf"
1377
ranlib="ranlib"
1378
strip="strip"
1379
yasmexe="yasm"
1380

    
1381
nm_opts='-g'
1382

    
1383
# machine
1384
arch=$(uname -m)
1385
cpu="generic"
1386

    
1387
# OS
1388
target_os=$(tolower $(uname -s))
1389
host_os=$target_os
1390

    
1391
# configurable options
1392
enable asm
1393
enable debug
1394
enable doc
1395
enable fastdiv
1396
enable ffmpeg
1397
enable ffplay
1398
enable ffserver
1399
enable ipv6
1400
enable mpegaudio_hp
1401
enable network
1402
enable optimizations
1403
enable protocols
1404
enable static
1405
enable stripping
1406
enable swscale_alpha
1407

    
1408
# build settings
1409
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1410
FFSERVERLDFLAGS=-Wl,-E
1411
LIBPREF="lib"
1412
LIBSUF=".a"
1413
FULLNAME='$(NAME)$(BUILDSUF)'
1414
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1415
SLIBPREF="lib"
1416
SLIBSUF=".so"
1417
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1418
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1419
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1420
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1421

    
1422
CC_O='-o $@'
1423

    
1424
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1425
host_libs='-lm'
1426

    
1427
target_path='.'
1428

    
1429
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1430
# full relative path for objects in subdirectories for non-recursive Make.
1431
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1432
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1433

    
1434
# find source path
1435
source_path="$(dirname "$0")"
1436
enable source_path_used
1437
if test -f configure; then
1438
    source_path="$(pwd)"
1439
    disable source_path_used
1440
else
1441
    source_path="$(cd "$source_path"; pwd)"
1442
    echo "$source_path" | grep -q '[[:blank:]]' &&
1443
        die "Out of tree builds are impossible with whitespace in source path."
1444
    test -e "$source_path/config.h" &&
1445
        die "Out of tree builds are impossible with config.h in source dir."
1446
fi
1447

    
1448
for v in "$@"; do
1449
    r=${v#*=}
1450
    l=${v%"$r"}
1451
    r=$(sh_quote "$r")
1452
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1453
done
1454

    
1455
find_things(){
1456
    thing=$1
1457
    pattern=$2
1458
    file=$source_path/$3
1459
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1460
}
1461

    
1462
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1463
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1464
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1465
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1466
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1467
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1468
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1469
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1470
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1471
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1472
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1473

    
1474
enable $ARCH_EXT_LIST \
1475
       $DECODER_LIST \
1476
       $ENCODER_LIST \
1477
       $HWACCEL_LIST \
1478
       $PARSER_LIST \
1479
       $BSF_LIST \
1480
       $DEMUXER_LIST \
1481
       $MUXER_LIST \
1482
       $FILTER_LIST \
1483
       $PROTOCOL_LIST \
1484
       $INDEV_LIST \
1485
       $OUTDEV_LIST \
1486

    
1487
die_unknown(){
1488
    echo "Unknown option \"$1\"."
1489
    echo "See $0 --help for available options."
1490
    exit 1
1491
}
1492

    
1493
show_list() {
1494
    suffix=_$1
1495
    shift
1496
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1497
    exit 0
1498
}
1499

    
1500
for opt do
1501
    optval="${opt#*=}"
1502
    case "$opt" in
1503
    --extra-ldflags=*) add_ldflags $optval
1504
    ;;
1505
    --extra-libs=*) add_extralibs $optval
1506
    ;;
1507
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1508
    ;;
1509
    --enable-debug=*) debuglevel="$optval"
1510
    ;;
1511
    --enable-*=*|--disable-*=*)
1512
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1513
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1514
    eval list=\$$(toupper $thing)_LIST
1515
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1516
    $action $(filter "$name" $list)
1517
    ;;
1518
    --enable-?*|--disable-?*)
1519
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1520
    if is_in $option $COMPONENT_LIST; then
1521
        test $action = disable && action=unset
1522
        eval $action \$$(toupper ${option%s})_LIST
1523
    elif is_in $option $CMDLINE_SELECT; then
1524
        $action $option
1525
    else
1526
        die_unknown $opt
1527
    fi
1528
    ;;
1529
    --list-*)
1530
        NAME="${opt#--list-}"
1531
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1532
        NAME=${NAME%s}
1533
        eval show_list $NAME \$$(toupper $NAME)_LIST
1534
    ;;
1535
    --help|-h) show_help
1536
    ;;
1537
    *)
1538
    optname="${opt%%=*}"
1539
    optname="${optname#--}"
1540
    optname=$(echo "$optname" | sed 's/-/_/g')
1541
    if is_in $optname $CMDLINE_SET; then
1542
        eval $optname='$optval'
1543
    elif is_in $optname $CMDLINE_APPEND; then
1544
        append $optname "$optval"
1545
    else
1546
         die_unknown $opt
1547
    fi
1548
    ;;
1549
    esac
1550
done
1551

    
1552
disabled logging && logfile=/dev/null
1553

    
1554
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1555
set >> $logfile
1556

    
1557
test -n "$cross_prefix" && enable cross_compile
1558

    
1559
ar="${cross_prefix}${ar}"
1560
cc_default="${cross_prefix}${cc_default}"
1561
nm_default="${cross_prefix}${nm_default}"
1562
ranlib="${cross_prefix}${ranlib}"
1563
strip="${cross_prefix}${strip}"
1564

    
1565
sysinclude_default="${sysroot}/usr/include"
1566

    
1567
set_default cc nm sysinclude
1568
enabled cross_compile || host_cc_default=$cc
1569
set_default host_cc
1570

    
1571
exesuf() {
1572
    case $1 in
1573
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1574
    esac
1575
}
1576

    
1577
EXESUF=$(exesuf $target_os)
1578
HOSTEXESUF=$(exesuf $host_os)
1579

    
1580
# set temporary file name
1581
: ${TMPDIR:=$TEMPDIR}
1582
: ${TMPDIR:=$TMP}
1583
: ${TMPDIR:=/tmp}
1584

    
1585
if ! check_cmd type mktemp; then
1586
    # simple replacement for missing mktemp
1587
    # NOT SAFE FOR GENERAL USE
1588
    mktemp(){
1589
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1590
    }
1591
fi
1592

    
1593
tmpfile(){
1594
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1595
        (set -C; exec > $tmp) 2>/dev/null ||
1596
        die "Unable to create temporary file in $TMPDIR."
1597
    append TMPFILES $tmp
1598
    eval $1=$tmp
1599
}
1600

    
1601
trap 'rm -f -- $TMPFILES' EXIT
1602
trap exit HUP INT TERM
1603

    
1604
tmpfile TMPC  .c
1605
tmpfile TMPE  $EXESUF
1606
tmpfile TMPH  .h
1607
tmpfile TMPO  .o
1608
tmpfile TMPS  .S
1609
tmpfile TMPV  .ver
1610
tmpfile TMPSH .sh
1611

    
1612
unset -f mktemp
1613

    
1614
# make sure we can execute files in $TMPDIR
1615
cat > $TMPSH 2>> $logfile <<EOF
1616
#! /bin/sh
1617
EOF
1618
chmod +x $TMPSH >> $logfile 2>&1
1619
if ! $TMPSH >> $logfile 2>&1; then
1620
    cat <<EOF
1621
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1622
variable to another directory and make sure that it is not mounted noexec.
1623
EOF
1624
    die "Sanity test failed."
1625
fi
1626

    
1627
filter_cflags=echo
1628
filter_cppflags=echo
1629
filter_asflags=echo
1630

    
1631
if   $cc -v 2>&1 | grep -qi ^gcc; then
1632
    cc_type=gcc
1633
    cc_version=__VERSION__
1634
    if ! $cc -dumpversion | grep -q '^2\.'; then
1635
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1636
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1637
    fi
1638
elif $cc --version 2>/dev/null | grep -q Intel; then
1639
    cc_type=icc
1640
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1641
    CC_DEPFLAGS='-MMD'
1642
    AS_DEPFLAGS='-MMD'
1643
elif $cc -v 2>&1 | grep -q xlc; then
1644
    cc_type=xlc
1645
    cc_version="AV_STRINGIFY(__IBMC__)"
1646
elif $cc -V 2>/dev/null | grep -q Compaq; then
1647
    cc_type=ccc
1648
    cc_version="AV_STRINGIFY(__DECC_VER)"
1649
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1650
    debuglevel=3
1651
    add_ldflags -Wl,-z,now # calls to libots crash without this
1652
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1653
    test -d "$sysroot" || die "No valid sysroot specified."
1654
    cc_type=armcc
1655
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1656
    armcc_conf="$PWD/armcc.conf"
1657
    $cc --arm_linux_configure                 \
1658
        --arm_linux_config_file="$armcc_conf" \
1659
        --configure_sysroot="$sysroot"        \
1660
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1661
        die "Error creating armcc configuration file."
1662
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1663
    as_default="${cross_prefix}gcc"
1664
    CC_DEPFLAGS='-MMD'
1665
    AS_DEPFLAGS='-MMD'
1666
elif $cc -version 2>/dev/null | grep -q TMS470; then
1667
    cc_type=tms470
1668
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1669
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1670
    CC_O='-fr=$(@D)'
1671
    as_default="${cross_prefix}gcc"
1672
    ld_default="${cross_prefix}gcc"
1673
    TMPO=$(basename $TMPC .c).o
1674
    append TMPFILES $TMPO
1675
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1676
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1677
    AS_DEPFLAGS='-MMD'
1678
    filter_cflags=tms470_flags
1679
    tms470_flags(){
1680
        for flag; do
1681
            case $flag in
1682
                -march=*|-mcpu=*)
1683
                    case "${flag#*=}" in
1684
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1685
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1686
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1687
                        armv6*|arm11*)          echo -mv=6   ;;
1688
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1689
                                                echo -mv=5e  ;;
1690
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1691
                    esac
1692
                    ;;
1693
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1694
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1695
                -msoft-float)   echo --float_support=vfplib       ;;
1696
                -Os)            echo -O3 -mf=2                    ;;
1697
                -O[0-3])        echo $flag -mf=5                  ;;
1698
                -g)             echo -g -mn                       ;;
1699
            esac
1700
        done
1701
    }
1702
elif $cc -v 2>&1 | grep -q clang; then
1703
    cc_type=clang
1704
    cc_version=__VERSION__
1705
    CC_DEPFLAGS='-MMD'
1706
    AS_DEPFLAGS='-MMD'
1707
elif $cc -V 2>&1 | grep -q Sun; then
1708
    cc_type=suncc
1709
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1710
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1711
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1712
    filter_cflags=suncc_flags
1713
    suncc_flags(){
1714
        for flag; do
1715
            case $flag in
1716
                -march=*|-mcpu=*)
1717
                    case "${flag#*=}" in
1718
                        native)                   echo -xtarget=native       ;;
1719
                        v9)                       echo -xarch=sparc          ;;
1720
                        ultrasparc)               echo -xarch=sparcvis       ;;
1721
                        ultrasparc3|niagara*)     echo -xarch=sparcvis2      ;;
1722
                        i586|pentium)             echo -xchip=pentium        ;;
1723
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1724
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1725
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1726
                        pentium4*)          echo -xtarget=pentium4           ;;
1727
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1728
                        *-sse3)             echo -xarch=sse3                 ;;
1729
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1730
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1731
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1732
                        k8|opteron|athlon64|athlon-fx)
1733
                                                  echo -xarch=sse2a          ;;
1734
                        athlon*)                  echo -xarch=pentium_proa   ;;
1735
                    esac
1736
                    ;;
1737
                -std=c99)             echo -xc99              ;;
1738
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1739
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1740
                -Os)                  echo -O5 -xspace        ;;
1741
                -W*,*)                echo $flag              ;;
1742
                -f*-*|-W*)                                    ;;
1743
                *)                    echo $flag              ;;
1744
            esac
1745
        done
1746
    }
1747
fi
1748

    
1749
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1750

    
1751
: ${as_default:=$cc}
1752
: ${dep_cc_default:=$cc}
1753
: ${ld_default:=$cc}
1754
set_default as dep_cc ld
1755

    
1756
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1757
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1758

    
1759
add_cflags $extra_cflags
1760
add_asflags $extra_cflags
1761

    
1762
if test -n "$sysroot"; then
1763
    case "$cc_type" in
1764
        gcc)
1765
            add_cppflags --sysroot="$sysroot"
1766
            add_ldflags --sysroot="$sysroot"
1767
        ;;
1768
        tms470)
1769
            add_cppflags -I"$sysinclude"
1770
            add_ldflags  --sysroot="$sysroot"
1771
        ;;
1772
        clang)
1773
            add_cppflags -isysroot="$sysroot"
1774
            add_ldflags -isysroot="$sysroot"
1775
        ;;
1776
    esac
1777
fi
1778

    
1779
if test "$cpu" = host; then
1780
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1781

    
1782
    case "$cc_type" in
1783
        gcc)
1784
            check_native(){
1785
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1786
                awk "/$1=/{ match(\$0, /$1=(\\w+)/, a);print a[1];exit }" $TMPE
1787
            }
1788
            cpu=$(check_native -march || check_native -mcpu)
1789
        ;;
1790
    esac
1791

    
1792
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1793
fi
1794

    
1795
# Deal with common $arch aliases
1796
case "$arch" in
1797
    arm*)
1798
        arch="arm"
1799
    ;;
1800
    mips|mipsel|IP*)
1801
        arch="mips"
1802
    ;;
1803
    mips64)
1804
        arch="mips"
1805
        subarch="mips64"
1806
    ;;
1807
    parisc|hppa)
1808
        arch="parisc"
1809
    ;;
1810
    parisc64|hppa64)
1811
        arch="parisc"
1812
        subarch="parisc64"
1813
    ;;
1814
    "Power Macintosh"|ppc|powerpc)
1815
        arch="ppc"
1816
    ;;
1817
    ppc64)
1818
        arch="ppc"
1819
        subarch="ppc64"
1820
    ;;
1821
    s390|s390x)
1822
        arch="s390"
1823
    ;;
1824
    sh4|sh)
1825
        arch="sh4"
1826
    ;;
1827
    sun4u|sparc64)
1828
        arch="sparc"
1829
        subarch="sparc64"
1830
    ;;
1831
    i[3-6]86|i86pc|BePC|x86_64|amd64)
1832
        arch="x86"
1833
    ;;
1834
esac
1835

    
1836
is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1837
enable $arch
1838

    
1839
# Add processor-specific flags
1840
if test "$cpu" = generic; then
1841
    : do nothing
1842
elif enabled ppc; then
1843

    
1844
    case $cpu in
1845
        601|ppc601|PowerPC601)
1846
            cpuflags="-mcpu=601"
1847
        ;;
1848
        603*|ppc603*|PowerPC603*)
1849
            cpuflags="-mcpu=603"
1850
        ;;
1851
        604*|ppc604*|PowerPC604*)
1852
            cpuflags="-mcpu=604"
1853
        ;;
1854
        G3|g3|75*|ppc75*|PowerPC75*)
1855
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1856
        ;;
1857
        G4|g4|745*|ppc745*|PowerPC745*)
1858
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1859
        ;;
1860
        74*|ppc74*|PowerPC74*)
1861
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1862
        ;;
1863
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1864
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1865
        ;;
1866
        Cell|CELL|cell)
1867
            cpuflags="-mcpu=cell"
1868
            enable ldbrx
1869
        ;;
1870
    esac
1871

    
1872
elif enabled x86; then
1873

    
1874
    case $cpu in
1875
        i[345]86|pentium)
1876
            cpuflags="-march=$cpu"
1877
            disable mmx
1878
        ;;
1879
        # targets that do NOT support conditional mov (cmov)
1880
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1881
            cpuflags="-march=$cpu"
1882
            disable cmov
1883
        ;;
1884
        # targets that do support conditional mov (cmov)
1885
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1886
            cpuflags="-march=$cpu"
1887
            enable cmov
1888
            enable fast_cmov
1889
        ;;
1890
        # targets that do support conditional mov but on which it's slow
1891
        pentium4|pentium4m|prescott|nocona)
1892
            cpuflags="-march=$cpu"
1893
            enable cmov
1894
            disable fast_cmov
1895
        ;;
1896
    esac
1897

    
1898
elif enabled sparc; then
1899

    
1900
    case $cpu in
1901
        sparc64)
1902
            cpuflags="-mcpu=v9"
1903
        ;;
1904
    esac
1905

    
1906
elif enabled arm; then
1907

    
1908
    case $cpu in
1909
        armv*)
1910
            cpuflags="-march=$cpu"
1911
        ;;
1912
        *)
1913
            cpuflags="-mcpu=$cpu"
1914
        ;;
1915
    esac
1916

    
1917
elif enabled alpha; then
1918

    
1919
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1920

    
1921
elif enabled bfin; then
1922

    
1923
    cpuflags="-mcpu=$cpu"
1924

    
1925
elif enabled mips; then
1926

    
1927
    cpuflags="-march=$cpu"
1928

    
1929
elif enabled avr32; then
1930

    
1931
    case $cpu in
1932
        ap7[02]0[0-2])
1933
            subarch="avr32_ap"
1934
            cpuflags="-mpart=$cpu"
1935
        ;;
1936
        ap)
1937
            subarch="avr32_ap"
1938
            cpuflags="-march=$cpu"
1939
        ;;
1940
        uc3[ab]*)
1941
            subarch="avr32_uc"
1942
            cpuflags="-mcpu=$cpu"
1943
        ;;
1944
        uc)
1945
            subarch="avr32_uc"
1946
            cpuflags="-march=$cpu"
1947
        ;;
1948
    esac
1949

    
1950
fi
1951

    
1952
add_cflags $cpuflags
1953
add_asflags $cpuflags
1954

    
1955
# compiler sanity check
1956
check_exec <<EOF
1957
int main(void){ return 0; }
1958
EOF
1959
if test "$?" != 0; then
1960
    echo "$cc is unable to create an executable file."
1961
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1962
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1963
        echo "Only do this if you know what cross compiling means."
1964
    fi
1965
    die "C compiler test failed."
1966
fi
1967

    
1968
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1969
check_cflags -std=c99
1970
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1971
#include <stdlib.h>
1972
EOF
1973
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1974
#include <stdlib.h>
1975
EOF
1976

    
1977
check_host_cflags -std=c99
1978

    
1979
case "$arch" in
1980
    alpha|ia64|mips|parisc|sparc)
1981
        spic=$shared
1982
    ;;
1983
    x86)
1984
        subarch="x86_32"
1985
        check_cc <<EOF && subarch="x86_64"
1986
        int test[(int)sizeof(char*) - 7];
1987
EOF
1988
        if test "$subarch" = "x86_64"; then
1989
            spic=$shared
1990
        fi
1991
    ;;
1992
esac
1993

    
1994
enable $subarch
1995
enabled spic && enable pic
1996
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
1997

    
1998
# OS specific
1999
case $target_os in
2000
    beos|haiku|zeta)
2001
        prefix_default="$HOME/config"
2002
        # 3 gcc releases known for BeOS, each with ugly bugs
2003
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2004
        case "$gcc_version" in
2005
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2006
            disable mmx
2007
            ;;
2008
          *20010315*) echo "BeBits gcc"
2009
            add_cflags -fno-expensive-optimizations
2010
            ;;
2011
        esac
2012
        SHFLAGS=-nostart
2013
        # enable BeOS things
2014
        enable audio_beos
2015
        # no need for libm, but the inet stuff
2016
        # Check for BONE
2017
        # XXX: actually should check for NOT net_server
2018
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2019
            network_extralibs="-lbind -lsocket"
2020
        else
2021
            enable beos_netserver
2022
            network_extralibs="-lnet"
2023
        fi ;;
2024
    sunos)
2025
        FFSERVERLDFLAGS=""
2026
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2027
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2028
        network_extralibs="-lsocket -lnsl"
2029
        add_cppflags -D__EXTENSIONS__
2030
        nm_opts='-P -g'
2031
        ;;
2032
    netbsd)
2033
        oss_indev_extralibs="-lossaudio"
2034
        oss_outdev_extralibs="-lossaudio"
2035
        ;;
2036
    openbsd)
2037
        enable malloc_aligned
2038
        # On OpenBSD 4.5. the compiler does not use PIC unless
2039
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2040
        # however the generated executable will not do anything
2041
        # (simply quits with exit-code 1, no crash, no output).
2042
        # Thus explicitly enable PIC here.
2043
        enable pic
2044
        SHFLAGS='-shared'
2045
        oss_indev_extralibs="-lossaudio"
2046
        oss_outdev_extralibs="-lossaudio"
2047
        ;;
2048
    freebsd|dragonfly)
2049
        enable malloc_aligned
2050
        ;;
2051
    bsd/os)
2052
        osextralibs="-lpoll -lgnugetopt"
2053
        strip="strip -d"
2054
        ;;
2055
    darwin)
2056
        enable malloc_aligned
2057
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2058
        strip="strip -x"
2059
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2060
        SLIBSUF=".dylib"
2061
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2062
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2063
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2064
        objformat="macho"
2065
        enabled x86_64 && objformat="macho64"
2066
        enabled_any pic shared ||
2067
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2068
        ;;
2069
    mingw32*)
2070
        # Only WinXP or greater are supported
2071
        add_cflags -D_WIN32_WINNT=0x0501
2072
        if test $target_os = "mingw32ce"; then
2073
            disable network
2074
        else
2075
            target_os=mingw32
2076
        fi
2077
        LIBTARGET=i386
2078
        if enabled x86_64; then
2079
            enable malloc_aligned
2080
            LIBTARGET=x64
2081
        elif enabled arm; then
2082
            LIBTARGET=arm
2083
        fi
2084
        shlibdir_default="$bindir_default"
2085
        disable ffserver
2086
        SLIBPREF=""
2087
        SLIBSUF=".dll"
2088
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2089
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2090
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2091
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2092
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2093
            install -d "$(LIBDIR)"; \
2094
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2095
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2096
        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'
2097
        objformat="win32"
2098
        enable dos_paths
2099
        check_cflags -fno-common
2100
        if ! enabled x86_64; then
2101
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2102
                die "ERROR: MinGW runtime version must be >= 3.15."
2103
            enabled_any avisynth vfwcap_indev &&
2104
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2105
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2106
            fi
2107
        ;;
2108
    cygwin*)
2109
        target_os=cygwin
2110
        shlibdir_default="$bindir_default"
2111
        SLIBPREF="cyg"
2112
        SLIBSUF=".dll"
2113
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2114
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2115
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2116
        objformat="win32"
2117
        enable dos_paths
2118
        check_cflags -fno-common
2119
        ;;
2120
    *-dos|freedos|opendos)
2121
        disable ffplay ffserver
2122
        disable $INDEV_LIST $OUTDEV_LIST
2123
        network_extralibs="-lsocket"
2124
        objformat="coff"
2125
        enable dos_paths
2126
        ;;
2127
    linux)
2128
        enable dv1394
2129
        ;;
2130
    irix*)
2131
        target_os=irix
2132
        ranlib="echo ignoring ranlib"
2133
        ;;
2134
    os/2*)
2135
        strip="lxlite"
2136
        ln_s="cp -f"
2137
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2138
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2139
        FFSERVERLDFLAGS=""
2140
        LIBSUF="_s.a"
2141
        SLIBPREF=""
2142
        SLIBSUF=".dll"
2143
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2144
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2145
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2146
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2147
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2148
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2149
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2150
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2151
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2152
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2153
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2154
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2155
        enable dos_paths
2156
        ;;
2157
    gnu/kfreebsd)
2158
        ;;
2159
    gnu)
2160
        ;;
2161

    
2162
    *)
2163
        die "Unknown OS '$target_os'."
2164
        ;;
2165
esac
2166

    
2167
set_default $PATHS_LIST
2168

    
2169
add_extralibs $osextralibs
2170

    
2171
# Combine FFLDFLAGS and the LDFLAGS environment variable.
2172
LDFLAGS="$FFLDFLAGS $LDFLAGS"
2173

    
2174
# we need to build at least one lib type
2175
if ! enabled_any static shared; then
2176
    cat <<EOF
2177
At least one library type must be built.
2178
Specify --enable-static to build the static libraries or --enable-shared to
2179
build the shared libraries as well. To only build the shared libraries specify
2180
--disable-static in addition to --enable-shared.
2181
EOF
2182
    exit 1;
2183
fi
2184

    
2185
disabled static && LIBNAME=""
2186

    
2187
if enabled_any libfaad libfaadbin ; then
2188
    if check_header faad.h; then
2189
        check_cc <<EOF
2190
#include <faad.h>
2191
#ifndef FAAD2_VERSION
2192
ok faad1
2193
#endif
2194
int main(void) { return 0; }
2195
EOF
2196
        test $? = 0 && enable libfaad2
2197
    else
2198
        die "FAAD test failed."
2199
    fi
2200
fi
2201

    
2202

    
2203
die_license_disabled() {
2204
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2205
}
2206

    
2207
die_license_disabled gpl libfaad2
2208
die_license_disabled gpl libx264
2209
die_license_disabled gpl libxvid
2210
die_license_disabled gpl postproc
2211
die_license_disabled gpl x11grab
2212

    
2213
die_license_disabled nonfree libfaac
2214

    
2215
die_license_disabled version3 libopencore_amrnb
2216
die_license_disabled version3 libopencore_amrwb
2217

    
2218
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2219

    
2220
check_deps $ARCH_EXT_LIST
2221

    
2222
disabled optimizations || check_cflags -fomit-frame-pointer
2223

    
2224
enable_pic() {
2225
    enable pic
2226
    add_cppflags -DPIC
2227
    add_cflags   -fPIC
2228
    add_asflags  -fPIC
2229
}
2230

    
2231
enabled pic && enable_pic
2232

    
2233
check_cc <<EOF || die "Symbol mangling check failed."
2234
int ff_extern;
2235
EOF
2236
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2237
extern_prefix=${sym%%ff_extern*}
2238

    
2239
check_cc <<EOF && enable inline_asm
2240
void foo(void) { __asm__ volatile ("" ::); }
2241
EOF
2242

    
2243
_restrict=
2244
for restrict_keyword in restrict __restrict__ __restrict; do
2245
    check_cc <<EOF && _restrict=$restrict_keyword && break
2246
void foo(char * $restrict_keyword p);
2247
EOF
2248
done
2249

    
2250
check_cc <<EOF && enable attribute_packed
2251
struct { int x; } __attribute__((packed)) x;
2252
EOF
2253

    
2254
check_cc <<EOF || die "endian test failed"
2255
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2256
EOF
2257
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2258

    
2259
if enabled alpha; then
2260

    
2261
    check_cflags -mieee
2262

    
2263
elif enabled arm; then
2264

    
2265
    check_cflags -marm
2266

    
2267
    check_ld <<EOF && enable vfp_args
2268
__asm__ (".eabi_attribute 28, 1");
2269
int main(void) { return 0; }
2270
EOF
2271

    
2272
    # We have to check if pld is a nop and disable it.
2273
    check_asm pld '"pld [r0]"'
2274

    
2275
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2276
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2277
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2278
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2279
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2280
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2281

    
2282
    enabled_all armv6t2 shared !pic && enable_pic
2283

    
2284
elif enabled ia64; then
2285

    
2286
    # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2287
    enabled shared && enable_weak hardcoded_tables
2288

    
2289
elif enabled mips; then
2290

    
2291
    check_asm loongson '"dmult.g $1, $2, $3"'
2292
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2293

    
2294
elif enabled ppc; then
2295

    
2296
    check_asm dcbzl     '"dcbzl 0, 1"'
2297
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2298
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2299

    
2300
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2301
    if enabled altivec; then
2302
        check_cflags -maltivec -mabi=altivec &&
2303
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2304
        check_cflags -faltivec
2305

    
2306
        # check if our compiler supports Motorola AltiVec C API
2307
        check_cc <<EOF || disable altivec
2308
$inc_altivec_h
2309
int main(void) {
2310
    vector signed int v1, v2, v3;
2311
    v1 = vec_add(v2,v3);
2312
    return 0;
2313
}
2314
EOF
2315

    
2316
        # check if our compiler supports braces for vector declarations
2317
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2318
$inc_altivec_h
2319
int main (void) { (vector int) {1}; return 0; }
2320
EOF
2321
    fi
2322

    
2323
elif enabled sparc; then
2324

    
2325
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2326
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2327

    
2328
elif enabled x86; then
2329

    
2330
    # check whether EBP is available on x86
2331
    # As 'i' is stored on the stack, this program will crash
2332
    # if the base pointer is used to access it because the
2333
    # base pointer is cleared in the inline assembly code.
2334
    check_exec_crash <<EOF && enable ebp_available
2335
    volatile int i=0;
2336
    __asm__ volatile (
2337
        "xorl %%ebp, %%ebp"
2338
    ::: "%ebp");
2339
    return i;
2340
EOF
2341

    
2342
    # check whether EBX is available on x86
2343
    check_asm ebx_available '""::"b"(0)' &&
2344
        check_asm ebx_available '"":::"%ebx"'
2345

    
2346
    # check whether more than 10 operands are supported
2347
    check_cc <<EOF && enable ten_operands
2348
int main(void) {
2349
    int x=0;
2350
    __asm__ volatile(
2351
        ""
2352
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2353
    );
2354
    return 0;
2355
}
2356
EOF
2357

    
2358
    # check whether binutils is new enough to compile SSSE3/MMX2
2359
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2360
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2361

    
2362
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2363

    
2364
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2365
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2366
    enabled     pic           && append YASMFLAGS "-DPIC"
2367
    test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2368
    case "$objformat" in
2369
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2370
    esac
2371
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2372

    
2373
    case "$cpu" in
2374
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2375
            disable fast_clz
2376
        ;;
2377
    esac
2378

    
2379
fi
2380

    
2381
if check_func dlopen; then
2382
    ldl=
2383
elif check_func dlopen -ldl; then
2384
    ldl=-ldl
2385
fi
2386

    
2387
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2388
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2389

    
2390
check_func  fork
2391
check_func  getaddrinfo $network_extralibs
2392
check_func  gethrtime
2393
check_func  getrusage
2394
check_func  inet_aton $network_extralibs
2395
check_func  isatty
2396
check_func  memalign
2397
check_func  mkstemp
2398
check_func  posix_memalign
2399
check_func_headers io.h setmode
2400
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2401
check_func_headers windows.h GetProcessTimes
2402
check_func_headers windows.h VirtualAlloc
2403

    
2404
check_header conio.h
2405
check_header dlfcn.h
2406
check_header dxva2api.h
2407
check_header malloc.h
2408
check_header poll.h
2409
check_header sys/mman.h
2410
check_header sys/resource.h
2411
check_header sys/select.h
2412
check_header termios.h
2413
check_header vdpau/vdpau.h
2414
check_header vdpau/vdpau_x11.h
2415
check_header X11/extensions/XvMClib.h
2416

    
2417
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2418
     enabled_any $need_memalign ; then
2419
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2420
fi
2421

    
2422
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2423
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2424

    
2425
# check for some common methods of building with pthread support
2426
# do this before the optional library checks as some of them require pthreads
2427
if enabled pthreads; then
2428
    if check_func pthread_create; then
2429
        :
2430
    elif check_func pthread_create -pthread; then
2431
        add_cflags -pthread
2432
        add_extralibs -pthread
2433
    elif check_func pthread_create -pthreads; then
2434
        add_cflags -pthreads
2435
        add_extralibs -pthreads
2436
    elif check_func pthread_create -lpthreadGC2; then
2437
        add_extralibs -lpthreadGC2
2438
    elif ! check_lib pthread.h pthread_create -lpthread; then
2439
        die "ERROR: can't find pthreads library"
2440
    fi
2441
fi
2442

    
2443
for thread in $THREADS_LIST; do
2444
    if enabled $thread; then
2445
        test -n "$thread_type" &&
2446
            die "ERROR: Only one thread type must be selected." ||
2447
            thread_type="$thread"
2448
    fi
2449
done
2450

    
2451
check_lib math.h sin -lm
2452
check_lib va/va.h vaInitialize -lva
2453

    
2454
check_func exp2
2455
check_func exp2f
2456
check_func llrint
2457
check_func log2
2458
check_func log2f
2459
check_func lrint
2460
check_func lrintf
2461
check_func round
2462
check_func roundf
2463
check_func truncf
2464

    
2465
# these are off by default, so fail if requested and not available
2466
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2467
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2468
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2469
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2470
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2471
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2472
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2473
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2474
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2475
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2476
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2477
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2478
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2479
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2480
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2481
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2482
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2483
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
2484
                      { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2485
                        die "ERROR: libx264 version must be >= 0.83."; }
2486
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2487
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2488

    
2489
# libdc1394 check
2490
if enabled libdc1394; then
2491
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2492
        enable libdc1394_2; } ||
2493
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2494
        enable libdc1394_1; } ||
2495
    die "ERROR: No version of libdc1394 found "
2496
fi
2497

    
2498
SDL_CONFIG="${cross_prefix}sdl-config"
2499
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2500
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2501
    sdl_libs=$("${SDL_CONFIG}" --libs)
2502
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2503
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2504
    enable sdl &&
2505
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2506
fi
2507

    
2508
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2509

    
2510
if enabled network; then
2511
    check_type "sys/types.h sys/socket.h" socklen_t
2512
    check_type netdb.h "struct addrinfo"
2513
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2514
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2515
    # Prefer arpa/inet.h over winsock2
2516
    if check_header arpa/inet.h ; then
2517
        check_func closesocket
2518
    elif check_header winsock2.h ; then
2519
        check_func_headers winsock2.h closesocket -lws2 && \
2520
            network_extralibs="-lws2" || \
2521
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2522
            network_extralibs="-lws2_32"; }
2523
        check_type ws2tcpip.h socklen_t
2524
        check_type ws2tcpip.h "struct addrinfo"
2525
        check_type ws2tcpip.h "struct sockaddr_storage"
2526
        check_struct winsock2.h "struct sockaddr" sa_len
2527
    else
2528
        disable network
2529
    fi
2530
fi
2531

    
2532
enabled_all network ipv6 && check_ld <<EOF || disable ipv6
2533
#include <sys/types.h>
2534
#include <sys/socket.h>
2535
#include <netinet/in.h>
2536
#include <netdb.h>
2537
int main(void) {
2538
    struct sockaddr_storage saddr;
2539
    struct ipv6_mreq mreq6;
2540
    getaddrinfo(0,0,0,0);
2541
    getnameinfo(0,0,0,0,0,0,0);
2542
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2543
}
2544
EOF
2545

    
2546
check_header linux/videodev.h
2547
check_header linux/videodev2.h
2548
check_header sys/videoio.h
2549

    
2550
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2551

    
2552
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2553
{ check_header dev/bktr/ioctl_meteor.h &&
2554
  check_header dev/bktr/ioctl_bt848.h; } ||
2555
{ check_header machine/ioctl_meteor.h &&
2556
  check_header machine/ioctl_bt848.h; } ||
2557
{ check_header dev/video/meteor/ioctl_meteor.h &&
2558
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2559
check_header dev/ic/bt8xx.h
2560

    
2561
check_header sys/soundcard.h
2562
check_header soundcard.h
2563

    
2564
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2565

    
2566
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2567

    
2568
enabled x11grab                         &&
2569
check_header X11/Xlib.h                 &&
2570
check_header X11/extensions/XShm.h      &&
2571
check_header X11/extensions/Xfixes.h    &&
2572
check_func XOpenDisplay -lX11           &&
2573
check_func XShmCreateImage -lX11 -lXext &&
2574
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2575

    
2576
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2577
check_cpp_condition \
2578
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2579
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2580
      disable vdpau; }
2581
fi
2582

    
2583
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2584

    
2585
# add some useful compiler flags if supported
2586
check_cflags -Wdeclaration-after-statement
2587
check_cflags -Wall
2588
check_cflags -Wno-switch
2589
check_cflags -Wdisabled-optimization
2590
check_cflags -Wpointer-arith
2591
check_cflags -Wredundant-decls
2592
check_cflags -Wno-pointer-sign
2593
check_cflags -Wcast-qual
2594
check_cflags -Wwrite-strings
2595
check_cflags -Wtype-limits
2596
check_cflags -Wundef
2597
enabled extra_warnings && check_cflags -Winline
2598

    
2599
# add some linker flags
2600
check_ldflags -Wl,--warn-common
2601
check_ldflags -Wl,--as-needed
2602
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'
2603
check_ldflags -Wl,-Bsymbolic
2604

    
2605
echo "X{};" > $TMPV
2606
test_ldflags -Wl,--version-script,$TMPV &&
2607
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2608

    
2609
if enabled small; then
2610
    check_cflags -Os            # not all compilers support -Os
2611
    optimizations="small"
2612
elif enabled optimizations; then
2613
    if enabled xlc; then
2614
        add_cflags  -O5
2615
        add_ldflags -O5
2616
    elif enabled suncc; then
2617
        add_cflags -O5
2618
    elif enabled ccc; then
2619
        add_cflags -fast
2620
    else
2621
        add_cflags -O3
2622
    fi
2623
fi
2624
check_cflags -fno-math-errno
2625
check_cflags -fno-signed-zeros
2626

    
2627
if enabled icc; then
2628
    # Just warnings, no remarks
2629
    check_cflags -w1
2630
    # -wd: Disable following warnings
2631
    # 144, 167, 556: -Wno-pointer-sign
2632
    # 10006: ignoring unknown option -fno-signed-zeros
2633
    # 10156: ignoring option '-W'; no argument required
2634
    check_cflags -wd144,167,556,10006,10156
2635
    # 11030: Warning unknown option --as-needed
2636
    # 10156: ignoring option '-export'; no argument required
2637
    check_ldflags -wd10156,11030
2638
    # Allow to compile with optimizations
2639
    check_ldflags -march=$cpu
2640
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2641
    enable ebp_available
2642
elif enabled ccc; then
2643
    # disable some annoying warnings
2644
    add_cflags -msg_disable cvtu32to64
2645
    add_cflags -msg_disable embedcomment
2646
    add_cflags -msg_disable needconstext
2647
    add_cflags -msg_disable nomainieee
2648
    add_cflags -msg_disable ptrmismatch1
2649
    add_cflags -msg_disable unreachcode
2650
elif enabled gcc; then
2651
    check_cflags -fno-tree-vectorize
2652
elif enabled clang; then
2653
    check_cflags -Qunused-arguments
2654
fi
2655

    
2656
if enabled gprof; then
2657
    add_cflags  -p
2658
    add_ldflags -p
2659
fi
2660

    
2661
# Find out if the .align argument is a power of two or not.
2662
check_asm asmalign_pot '".align 3"'
2663

    
2664
enabled_any $DECODER_LIST      && enable decoders
2665
enabled_any $ENCODER_LIST      && enable encoders
2666
enabled_any $HWACCEL_LIST      && enable hwaccels
2667
enabled_any $BSF_LIST          && enable bsfs
2668
enabled_any $DEMUXER_LIST      && enable demuxers
2669
enabled_any $MUXER_LIST        && enable muxers
2670
enabled_any $FILTER_LIST       && enable filters
2671
enabled_any $INDEV_LIST        && enable indevs
2672
enabled_any $OUTDEV_LIST       && enable outdevs
2673
enabled_any $PROTOCOL_LIST     && enable protocols
2674

    
2675
enabled_any $THREADS_LIST      && enable threads
2676

    
2677
check_deps $CONFIG_LIST       \
2678
           $CONFIG_EXTRA      \
2679
           $HAVE_LIST         \
2680
           $DECODER_LIST      \
2681
           $ENCODER_LIST      \
2682
           $HWACCEL_LIST      \
2683
           $PARSER_LIST       \
2684
           $BSF_LIST          \
2685
           $DEMUXER_LIST      \
2686
           $MUXER_LIST        \
2687
           $FILTER_LIST       \
2688
           $INDEV_LIST        \
2689
           $OUTDEV_LIST       \
2690
           $PROTOCOL_LIST     \
2691

    
2692
enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2693

    
2694
echo "install prefix            $prefix"
2695
echo "source path               $source_path"
2696
echo "C compiler                $cc"
2697
echo ".align is power-of-two    $asmalign_pot"
2698
echo "ARCH                      $arch ($cpu)"
2699
if test "$build_suffix" != ""; then
2700
    echo "build suffix              $build_suffix"
2701
fi
2702
if test "$extra_version" != ""; then
2703
    echo "version string suffix     $extra_version"
2704
fi
2705
echo "big-endian                ${bigendian-no}"
2706
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2707
if enabled x86; then
2708
    echo "yasm                      ${yasm-no}"
2709
    echo "MMX enabled               ${mmx-no}"
2710
    echo "MMX2 enabled              ${mmx2-no}"
2711
    echo "3DNow! enabled            ${amd3dnow-no}"
2712
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2713
    echo "SSE enabled               ${sse-no}"
2714
    echo "SSSE3 enabled             ${ssse3-no}"
2715
    echo "CMOV enabled              ${cmov-no}"
2716
    echo "CMOV is fast              ${fast_cmov-no}"
2717
    echo "EBX available             ${ebx_available-no}"
2718
    echo "EBP available             ${ebp_available-no}"
2719
    echo "10 operands supported     ${ten_operands-no}"
2720
fi
2721
if enabled arm; then
2722
    echo "ARMv5TE enabled           ${armv5te-no}"
2723
    echo "ARMv6 enabled             ${armv6-no}"
2724
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2725
    echo "ARM VFP enabled           ${armvfp-no}"
2726
    echo "IWMMXT enabled            ${iwmmxt-no}"
2727
    echo "NEON enabled              ${neon-no}"
2728
fi
2729
if enabled mips; then
2730
    echo "MMI enabled               ${mmi-no}"
2731
fi
2732
if enabled ppc; then
2733
    echo "AltiVec enabled           ${altivec-no}"
2734
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2735
    echo "dcbzl available           ${dcbzl-no}"
2736
    echo "performance report        ${powerpc_perf-no}"
2737
fi
2738
if enabled sparc; then
2739
    echo "VIS enabled               ${vis-no}"
2740
fi
2741
echo "gprof enabled             ${gprof-no}"
2742
echo "debug symbols             ${debug-no}"
2743
echo "strip symbols             ${stripping-no}"
2744
echo "optimizations             ${optimizations-no}"
2745
echo "static                    ${static-no}"
2746
echo "shared                    ${shared-no}"
2747
echo "postprocessing support    ${postproc-no}"
2748
echo "new filter support        ${avfilter-no}"
2749
echo "filters using lavformat   ${avfilter_lavf-no}"
2750
echo "network support           ${network-no}"
2751
if enabled network; then
2752
    echo "IPv6 support              ${ipv6-no}"
2753
fi
2754
echo "threading support         ${thread_type-no}"
2755
echo "SDL support               ${sdl-no}"
2756
echo "Sun medialib support      ${mlib-no}"
2757
echo "AVISynth enabled          ${avisynth-no}"
2758
echo "libdc1394 support         ${libdc1394-no}"
2759
echo "libdirac enabled          ${libdirac-no}"
2760
echo "libfaac enabled           ${libfaac-no}"
2761
echo "libfaad enabled           ${libfaad-no}"
2762
echo "libfaad dlopened          ${libfaadbin-no}"
2763
echo "libgsm enabled            ${libgsm-no}"
2764
echo "libmp3lame enabled        ${libmp3lame-no}"
2765
echo "libnut enabled            ${libnut-no}"
2766
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2767
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2768
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2769
echo "libschroedinger enabled   ${libschroedinger-no}"
2770
echo "libspeex enabled          ${libspeex-no}"
2771
echo "libtheora enabled         ${libtheora-no}"
2772
echo "libvorbis enabled         ${libvorbis-no}"
2773
echo "libx264 enabled           ${libx264-no}"
2774
echo "libxvid enabled           ${libxvid-no}"
2775
echo "zlib enabled              ${zlib-no}"
2776
echo "bzlib enabled             ${bzlib-no}"
2777
echo
2778

    
2779
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2780
    echo "Enabled ${type}s:"
2781
    eval list=\$$(toupper $type)_LIST
2782
    for part in $list; do
2783
        enabled $part && echo ${part%_*}
2784
    done | sort | pr -3 -t
2785
    echo
2786
done
2787

    
2788
license="LGPL version 2.1 or later"
2789
if enabled nonfree; then
2790
    license="nonfree and unredistributable"
2791
elif enabled gplv3; then
2792
    license="GPL version 3 or later"
2793
elif enabled lgplv3; then
2794
    license="LGPL version 3 or later"
2795
elif enabled gpl; then
2796
    license="GPL version 2 or later"
2797
fi
2798

    
2799
echo "License: $license"
2800

    
2801
echo "Creating config.mak and config.h..."
2802

    
2803
# build tree in object directory if source path is different from current one
2804
if enabled source_path_used; then
2805
    DIRS="
2806
        doc
2807
        libavcodec
2808
        libavcodec/$arch
2809
        libavdevice
2810
        libavfilter
2811
        libavformat
2812
        libavutil
2813
        libavutil/$arch
2814
        libpostproc
2815
        libswscale
2816
        libswscale/$arch
2817
        tests
2818
        tools
2819
    "
2820
    FILES="
2821
        Makefile
2822
        common.mak
2823
        subdir.mak
2824
        doc/texi2pod.pl
2825
        libavcodec/Makefile
2826
        libavdevice/Makefile
2827
        libavfilter/Makefile
2828
        libavformat/Makefile
2829
        libavutil/Makefile
2830
        libpostproc/Makefile
2831
        libswscale/Makefile
2832
    "
2833
    for dir in $DIRS ; do
2834
        mkdir -p $dir
2835
    done
2836
    for f in $FILES ; do
2837
        $ln_s "$source_path/$f" $f
2838
    done
2839
fi
2840

    
2841
enabled stripping || strip="echo skipping strip"
2842

    
2843
cat > config.mak <<EOF
2844
# Automatically generated by configure - do not modify!
2845
ifndef FFMPEG_CONFIG_MAK
2846
FFMPEG_CONFIG_MAK=1
2847
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2848
prefix=$prefix
2849
LIBDIR=\$(DESTDIR)$libdir
2850
SHLIBDIR=\$(DESTDIR)$shlibdir
2851
INCDIR=\$(DESTDIR)$incdir
2852
BINDIR=\$(DESTDIR)$bindir
2853
DATADIR=\$(DESTDIR)$datadir
2854
MANDIR=\$(DESTDIR)$mandir
2855
SRC_PATH="$source_path"
2856
SRC_PATH_BARE=$source_path
2857
BUILD_ROOT="$PWD"
2858
ARCH=$arch
2859
CC=$cc
2860
AS=$as
2861
LD=$ld
2862
DEPCC=$dep_cc
2863
YASM=$yasmexe
2864
AR=$ar
2865
RANLIB=$ranlib
2866
LN_S=$ln_s
2867
STRIP=$strip
2868
CPPFLAGS=$CPPFLAGS
2869
CFLAGS=$CFLAGS
2870
ASFLAGS=$ASFLAGS
2871
CC_O=$CC_O
2872
LDFLAGS=$LDFLAGS
2873
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2874
SHFLAGS=$SHFLAGS
2875
YASMFLAGS=$YASMFLAGS
2876
BUILDSUF=$build_suffix
2877
FULLNAME=$FULLNAME
2878
LIBPREF=$LIBPREF
2879
LIBSUF=$LIBSUF
2880
LIBNAME=$LIBNAME
2881
SLIBPREF=$SLIBPREF
2882
SLIBSUF=$SLIBSUF
2883
EXESUF=$EXESUF
2884
EXTRA_VERSION=$extra_version
2885
DEPFLAGS=$DEPFLAGS
2886
CCDEP=$CCDEP
2887
ASDEP=$ASDEP
2888
CC_DEPFLAGS=$CC_DEPFLAGS
2889
AS_DEPFLAGS=$AS_DEPFLAGS
2890
HOSTCC=$host_cc
2891
HOSTCFLAGS=$host_cflags
2892
HOSTEXESUF=$HOSTEXESUF
2893
HOSTLDFLAGS=$host_ldflags
2894
HOSTLIBS=$host_libs
2895
TARGET_EXEC=$target_exec
2896
TARGET_PATH=$target_path
2897
SDL_LIBS=$sdl_libs
2898
SDL_CFLAGS=$sdl_cflags
2899
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2900
EXTRALIBS=$extralibs
2901
EOF
2902

    
2903
get_version(){
2904
    name=$1
2905
    file=$source_path/$2
2906
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2907
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2908
    lcname=$(tolower $name)
2909
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2910
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2911
}
2912

    
2913
get_version LIBSWSCALE  libswscale/swscale.h
2914
get_version LIBPOSTPROC libpostproc/postprocess.h
2915
get_version LIBAVCODEC  libavcodec/avcodec.h
2916
get_version LIBAVDEVICE libavdevice/avdevice.h
2917
get_version LIBAVFORMAT libavformat/avformat.h
2918
get_version LIBAVUTIL   libavutil/avutil.h
2919
get_version LIBAVFILTER libavfilter/avfilter.h
2920

    
2921
enabled shared && cat >> config.mak <<EOF
2922
LIBTARGET=${LIBTARGET}
2923
SLIBNAME=${SLIBNAME}
2924
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2925
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2926
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2927
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2928
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2929
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2930
EOF
2931

    
2932
enabled asmalign_pot || align_shift="1 <<"
2933

    
2934
cat > $TMPH <<EOF
2935
/* Automatically generated by configure - do not modify! */
2936
#ifndef FFMPEG_CONFIG_H
2937
#define FFMPEG_CONFIG_H
2938
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
2939
#define FFMPEG_LICENSE "$(c_escape $license)"
2940
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2941
#define CC_TYPE "$cc_type"
2942
#define CC_VERSION $cc_version
2943
#define restrict $_restrict
2944
#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
2945
#define EXTERN_PREFIX "${extern_prefix}"
2946
#define EXTERN_ASM ${extern_prefix}
2947
EOF
2948

    
2949
if enabled small || disabled optimizations; then
2950
    echo "#define av_always_inline"  >> $TMPH
2951
fi
2952

    
2953
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2954
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2955
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2956
                                      $CONFIG_EXTRA      \
2957
                                      $DECODER_LIST      \
2958
                                      $ENCODER_LIST      \
2959
                                      $HWACCEL_LIST      \
2960
                                      $PARSER_LIST       \
2961
                                      $BSF_LIST          \
2962
                                      $DEMUXER_LIST      \
2963
                                      $MUXER_LIST        \
2964
                                      $FILTER_LIST       \
2965
                                      $PROTOCOL_LIST     \
2966
                                      $INDEV_LIST        \
2967
                                      $OUTDEV_LIST       \
2968

    
2969
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2970
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2971

    
2972
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2973
cp_if_changed $TMPH config.h
2974

    
2975
cat > $TMPH <<EOF
2976
/* Generated by ffconf */
2977
#ifndef AVUTIL_AVCONFIG_H
2978
#define AVUTIL_AVCONFIG_H
2979
EOF
2980

    
2981
print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
2982

    
2983
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
2984

    
2985
cp_if_changed $TMPH libavutil/avconfig.h
2986

    
2987
# build pkg-config files
2988

    
2989
pkgconfig_generate(){
2990
name=$1
2991
shortname=${name#lib}${build_suffix}
2992
comment=$2
2993
version=$3
2994
libs=$4
2995
requires=$5
2996
cat <<EOF > $name/$name.pc
2997
prefix=$prefix
2998
exec_prefix=\${prefix}
2999
libdir=$libdir
3000
includedir=$incdir
3001

    
3002
Name: $name
3003
Description: $comment
3004
Version: $version
3005
Requires: $(enabled shared || echo $requires)
3006
Requires.private: $(enabled shared && echo $requires)
3007
Conflicts:
3008
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3009
Libs.private: $(enabled shared && echo $libs)
3010
Cflags: -I\${includedir}
3011
EOF
3012
cat <<EOF > $name/$name-uninstalled.pc
3013
prefix=
3014
exec_prefix=
3015
libdir=\${pcfiledir}
3016
includedir=${source_path}
3017

    
3018
Name: $name
3019
Description: $comment
3020
Version: $version
3021
Requires: $requires
3022
Conflicts:
3023
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3024
Cflags: -I\${includedir}
3025
EOF
3026
}
3027

    
3028
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3029
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3030
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3031
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3032
enabled avfilter &&
3033
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3034
enabled postproc &&
3035
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3036
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"