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

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

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

    
62
Standard options:
63
  --help                   print this message
64
  --logfile=FILE           log tests and output to FILE [config.log]
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  --disable-logging        do not log configure debug information
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  --prefix=PREFIX          install in PREFIX [$prefix]
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  --bindir=DIR             install binaries in DIR [PREFIX/bin]
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  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
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  --libdir=DIR             install libs in DIR [PREFIX/lib]
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  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
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  --incdir=DIR             install includes in DIR [PREFIX/include]
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  --mandir=DIR             install man page in DIR [PREFIX/share/man]
73

    
74
Configuration options:
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  --disable-static         do not build static libraries [no]
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  --enable-shared          build shared libraries [no]
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  --enable-gpl             allow use of GPL code, the resulting libs
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                           and binaries will be under GPL [no]
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  --enable-version3        upgrade (L)GPL to version 3 [no]
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  --enable-nonfree         allow use of nonfree code, the resulting libs
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                           and binaries will be unredistributable [no]
82
  --disable-doc            do not build documentation
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  --disable-ffmpeg         disable ffmpeg build
84
  --disable-ffplay         disable ffplay build
85
  --disable-ffprobe        disable ffprobe build
86
  --disable-ffserver       disable ffserver build
87
  --disable-avdevice       disable libavdevice build
88
  --disable-avcodec        disable libavcodec build
89
  --disable-avcore         disable libavcore build
90
  --disable-avformat       disable libavformat build
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  --disable-swscale        disable libswscale build
92
  --enable-postproc        enable GPLed postprocessing support [no]
93
  --disable-avfilter       disable video filter support [no]
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  --disable-pthreads       disable pthreads [auto]
95
  --enable-w32threads      use Win32 threads [no]
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  --enable-x11grab         enable X11 grabbing [no]
97
  --disable-network        disable network support [no]
98
  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
99
  --enable-gray            enable full grayscale support (slower color)
100
  --disable-swscale-alpha  disable alpha channel support in swscale
101
  --disable-fastdiv        disable table-based division
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  --enable-small           optimize for size instead of speed
103
  --disable-aandct         disable AAN DCT code
104
  --disable-dct            disable DCT code
105
  --disable-fft            disable FFT code
106
  --disable-golomb         disable Golomb code
107
  --disable-huffman        disable Huffman code
108
  --disable-lpc            disable LPC code
109
  --disable-mdct           disable MDCT code
110
  --disable-rdft           disable RDFT code
111
  --disable-vaapi          disable VAAPI code
112
  --disable-vdpau          disable VDPAU code
113
  --disable-dxva2          disable DXVA2 code
114
  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115
  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116
  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
117
  --disable-everything     disable all components listed below
118
  --disable-encoder=NAME   disable encoder NAME
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  --enable-encoder=NAME    enable encoder NAME
120
  --disable-encoders       disable all encoders
121
  --disable-decoder=NAME   disable decoder NAME
122
  --enable-decoder=NAME    enable decoder NAME
123
  --disable-decoders       disable all decoders
124
  --disable-hwaccel=NAME   disable hwaccel NAME
125
  --enable-hwaccel=NAME    enable hwaccel NAME
126
  --disable-hwaccels       disable all hwaccels
127
  --disable-muxer=NAME     disable muxer NAME
128
  --enable-muxer=NAME      enable muxer NAME
129
  --disable-muxers         disable all muxers
130
  --disable-demuxer=NAME   disable demuxer NAME
131
  --enable-demuxer=NAME    enable demuxer NAME
132
  --disable-demuxers       disable all demuxers
133
  --enable-parser=NAME     enable parser NAME
134
  --disable-parser=NAME    disable parser NAME
135
  --disable-parsers        disable all parsers
136
  --enable-bsf=NAME        enable bitstream filter NAME
137
  --disable-bsf=NAME       disable bitstream filter NAME
138
  --disable-bsfs           disable all bitstream filters
139
  --enable-protocol=NAME   enable protocol NAME
140
  --disable-protocol=NAME  disable protocol NAME
141
  --disable-protocols      disable all protocols
142
  --disable-indev=NAME     disable input device NAME
143
  --disable-outdev=NAME    disable output device NAME
144
  --disable-indevs         disable input devices
145
  --disable-outdevs        disable output devices
146
  --disable-devices        disable all devices
147
  --enable-filter=NAME     enable filter NAME
148
  --disable-filter=NAME    disable filter NAME
149
  --disable-filters        disable all filters
150
  --list-decoders          show all available decoders
151
  --list-encoders          show all available encoders
152
  --list-hwaccels          show all available hardware accelerators
153
  --list-muxers            show all available muxers
154
  --list-demuxers          show all available demuxers
155
  --list-parsers           show all available parsers
156
  --list-protocols         show all available protocols
157
  --list-bsfs              show all available bitstream filters
158
  --list-indevs            show all available input devices
159
  --list-outdevs           show all available output devices
160
  --list-filters           show all available filters
161

    
162
External library support:
163
  --enable-avisynth        enable reading of AVISynth script files [no]
164
  --enable-bzlib           enable bzlib [autodetect]
165
  --enable-frei0r          enable frei0r video filtering
166
  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168
  --enable-libopencv       enable video filtering via libopencv [no]
169
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
170
                           and libraw1394 [no]
171
  --enable-libdirac        enable Dirac support via libdirac [no]
172
  --enable-libfaac         enable FAAC support via libfaac [no]
173
  --enable-libgsm          enable GSM support via libgsm [no]
174
  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
175
  --enable-libnut          enable NUT (de)muxing via libnut,
176
                           native (de)muxer exists [no]
177
  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
178
  --enable-librtmp         enable RTMP[E] support via librtmp [no]
179
  --enable-libschroedinger enable Dirac support via libschroedinger [no]
180
  --enable-libspeex        enable Speex decoding via libspeex [no]
181
  --enable-libtheora       enable Theora encoding via libtheora [no]
182
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
183
                           native implementation exists [no]
184
  --enable-libvpx          enable VP8 support via libvpx [no]
185
  --enable-libx264         enable H.264 encoding via x264 [no]
186
  --enable-libxavs         enable AVS encoding via xavs [no]
187
  --enable-libxvid         enable Xvid encoding via xvidcore,
188
                           native MPEG-4/Xvid encoder exists [no]
189
  --enable-mlib            enable Sun medialib [no]
190
  --enable-zlib            enable zlib [autodetect]
191

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

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

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

    
252
quotes='""'
253

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
929
THREADS_LIST='
930
    pthreads
931
    w32threads
932
'
933

    
934
ARCH_LIST='
935
    alpha
936
    arm
937
    avr32
938
    avr32_ap
939
    avr32_uc
940
    bfin
941
    ia64
942
    m68k
943
    mips
944
    mips64
945
    parisc
946
    ppc
947
    ppc64
948
    s390
949
    sh4
950
    sparc
951
    sparc64
952
    tomi
953
    x86
954
    x86_32
955
    x86_64
956
'
957

    
958
ARCH_EXT_LIST='
959
    altivec
960
    amd3dnow
961
    amd3dnowext
962
    armv5te
963
    armv6
964
    armv6t2
965
    armvfp
966
    iwmmxt
967
    mmi
968
    mmx
969
    mmx2
970
    neon
971
    ppc4xx
972
    sse
973
    ssse3
974
    vis
975
'
976

    
977
HAVE_LIST_PUB='
978
    bigendian
979
    fast_unaligned
980
'
981

    
982
HAVE_LIST="
983
    $ARCH_EXT_LIST
984
    $HAVE_LIST_PUB
985
    $THREADS_LIST
986
    aligned_stack
987
    alsa_asoundlib_h
988
    altivec_h
989
    arpa_inet_h
990
    attribute_may_alias
991
    attribute_packed
992
    bswap
993
    closesocket
994
    cmov
995
    conio_h
996
    dcbzl
997
    dev_bktr_ioctl_bt848_h
998
    dev_bktr_ioctl_meteor_h
999
    dev_ic_bt8xx_h
1000
    dev_video_meteor_ioctl_meteor_h
1001
    dev_video_bktr_ioctl_bt848_h
1002
    dlfcn_h
1003
    dlopen
1004
    dos_paths
1005
    ebp_available
1006
    ebx_available
1007
    exp2
1008
    exp2f
1009
    fast_64bit
1010
    fast_clz
1011
    fast_cmov
1012
    fcntl
1013
    fork
1014
    getaddrinfo
1015
    gethrtime
1016
    GetProcessMemoryInfo
1017
    GetProcessTimes
1018
    getrusage
1019
    gnu_as
1020
    struct_rusage_ru_maxrss
1021
    ibm_asm
1022
    inet_aton
1023
    inline_asm
1024
    isatty
1025
    ldbrx
1026
    libdc1394_1
1027
    libdc1394_2
1028
    llrint
1029
    llrintf
1030
    local_aligned_16
1031
    local_aligned_8
1032
    log2
1033
    log2f
1034
    loongson
1035
    lrint
1036
    lrintf
1037
    lzo1x_999_compress
1038
    machine_ioctl_bt848_h
1039
    machine_ioctl_meteor_h
1040
    malloc_h
1041
    memalign
1042
    mkstemp
1043
    pld
1044
    posix_memalign
1045
    round
1046
    roundf
1047
    sdl
1048
    sdl_video_size
1049
    setmode
1050
    socklen_t
1051
    soundcard_h
1052
    poll_h
1053
    setrlimit
1054
    strerror_r
1055
    strtok_r
1056
    struct_addrinfo
1057
    struct_ipv6_mreq
1058
    struct_sockaddr_in6
1059
    struct_sockaddr_sa_len
1060
    struct_sockaddr_storage
1061
    symver
1062
    symver_gnu_asm
1063
    symver_asm_label
1064
    sys_mman_h
1065
    sys_resource_h
1066
    sys_select_h
1067
    sys_soundcard_h
1068
    sys_videoio_h
1069
    ten_operands
1070
    termios_h
1071
    threads
1072
    truncf
1073
    vfp_args
1074
    VirtualAlloc
1075
    winsock2_h
1076
    xform_asm
1077
    yasm
1078
"
1079

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

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

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

    
1111
CMDLINE_SET="
1112
    $PATHS_LIST
1113
    ar
1114
    arch
1115
    as
1116
    build_suffix
1117
    cc
1118
    cpu
1119
    cross_prefix
1120
    dep_cc
1121
    extra_version
1122
    host_cc
1123
    host_cflags
1124
    host_ldflags
1125
    host_libs
1126
    host_os
1127
    ld
1128
    logfile
1129
    malloc_prefix
1130
    nm
1131
    samples
1132
    source_path
1133
    strip
1134
    sysinclude
1135
    sysroot
1136
    target_exec
1137
    target_os
1138
    target_path
1139
"
1140

    
1141
CMDLINE_APPEND="
1142
    extra_cflags
1143
"
1144

    
1145
# code dependency declarations
1146

    
1147
# architecture extensions
1148

    
1149
armv5te_deps="arm"
1150
armv6_deps="arm"
1151
armv6t2_deps="arm"
1152
armvfp_deps="arm"
1153
iwmmxt_deps="arm"
1154
neon_deps="arm"
1155

    
1156
mmi_deps="mips"
1157

    
1158
altivec_deps="ppc"
1159
ppc4xx_deps="ppc"
1160

    
1161
vis_deps="sparc"
1162

    
1163
x86_64_suggest="cmov fast_cmov"
1164
amd3dnow_deps="mmx"
1165
amd3dnowext_deps="amd3dnow"
1166
mmx_deps="x86"
1167
mmx2_deps="mmx"
1168
sse_deps="mmx"
1169
ssse3_deps="sse"
1170

    
1171
aligned_stack_if_any="ppc x86"
1172
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1173
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1174
fast_unaligned_if_any="armv6 ppc x86"
1175

    
1176
need_memalign="altivec neon sse"
1177
inline_asm_deps="!tms470"
1178

    
1179
symver_if_any="symver_asm_label symver_gnu_asm"
1180

    
1181
# subsystems
1182
dct_select="rdft"
1183
mdct_select="fft"
1184
rdft_select="fft"
1185

    
1186
# decoders / encoders / hardware accelerators
1187
aac_decoder_select="mdct rdft"
1188
aac_encoder_select="mdct"
1189
ac3_decoder_select="mdct ac3_parser"
1190
alac_encoder_select="lpc"
1191
amrnb_decoder_select="lsp"
1192
atrac1_decoder_select="mdct"
1193
atrac3_decoder_select="mdct"
1194
binkaudio_dct_decoder_select="mdct rdft dct"
1195
binkaudio_rdft_decoder_select="mdct rdft"
1196
cavs_decoder_select="golomb"
1197
cook_decoder_select="mdct"
1198
cscd_decoder_suggest="zlib"
1199
dca_decoder_select="mdct"
1200
dnxhd_encoder_select="aandct"
1201
dxa_decoder_select="zlib"
1202
eac3_decoder_select="ac3_decoder"
1203
eamad_decoder_select="aandct"
1204
eatgq_decoder_select="aandct"
1205
eatqi_decoder_select="aandct"
1206
ffv1_decoder_select="golomb"
1207
flac_decoder_select="golomb"
1208
flac_encoder_select="golomb lpc"
1209
flashsv_decoder_select="zlib"
1210
flashsv_encoder_select="zlib"
1211
flv_decoder_select="h263_decoder"
1212
flv_encoder_select="h263_encoder"
1213
fraps_decoder_select="huffman"
1214
h261_encoder_select="aandct"
1215
h263_decoder_select="h263_parser"
1216
h263_encoder_select="aandct"
1217
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1218
h263i_decoder_select="h263_decoder"
1219
h263p_encoder_select="h263_encoder"
1220
h264_decoder_select="golomb h264dsp h264pred"
1221
h264_dxva2_hwaccel_deps="dxva2api_h"
1222
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1223
h264_vaapi_hwaccel_select="vaapi"
1224
h264_vdpau_decoder_select="vdpau h264_decoder"
1225
imc_decoder_select="fft mdct"
1226
jpegls_decoder_select="golomb"
1227
jpegls_encoder_select="golomb"
1228
ljpeg_encoder_select="aandct"
1229
loco_decoder_select="golomb"
1230
mjpeg_encoder_select="aandct"
1231
mlp_decoder_select="mlp_parser"
1232
mp1float_decoder_select="dct"
1233
mp2float_decoder_select="dct"
1234
mp3adufloat_decoder_select="dct"
1235
mp3float_decoder_select="dct"
1236
mp3on4float_decoder_select="dct"
1237
mpeg1video_encoder_select="aandct"
1238
mpeg2video_encoder_select="aandct"
1239
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1240
mpeg4_encoder_select="h263_encoder"
1241
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1242
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1243
mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1244
mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1245
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1246
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1247
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1248
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1249
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1250
msmpeg4v1_decoder_select="h263_decoder"
1251
msmpeg4v1_encoder_select="h263_encoder"
1252
msmpeg4v2_decoder_select="h263_decoder"
1253
msmpeg4v2_encoder_select="h263_encoder"
1254
msmpeg4v3_decoder_select="h263_decoder"
1255
msmpeg4v3_encoder_select="h263_encoder"
1256
nellymoser_decoder_select="mdct"
1257
nellymoser_encoder_select="mdct"
1258
png_decoder_select="zlib"
1259
png_encoder_select="zlib"
1260
qcelp_decoder_select="lsp"
1261
qdm2_decoder_select="mdct rdft"
1262
ra_144_encoder_select="lpc"
1263
rv10_decoder_select="h263_decoder"
1264
rv10_encoder_select="h263_encoder"
1265
rv20_decoder_select="h263_decoder"
1266
rv20_encoder_select="h263_encoder"
1267
rv30_decoder_select="golomb h264pred"
1268
rv40_decoder_select="golomb h264pred"
1269
shorten_decoder_select="golomb"
1270
sipr_decoder_select="lsp"
1271
snow_decoder_select="dwt"
1272
snow_encoder_select="aandct dwt"
1273
sonic_decoder_select="golomb"
1274
sonic_encoder_select="golomb"
1275
sonic_ls_encoder_select="golomb"
1276
svq1_encoder_select="aandct"
1277
svq3_decoder_select="golomb h264dsp h264pred"
1278
svq3_decoder_suggest="zlib"
1279
theora_decoder_select="vp3_decoder"
1280
tiff_decoder_suggest="zlib"
1281
tiff_encoder_suggest="zlib"
1282
truehd_decoder_select="mlp_decoder"
1283
tscc_decoder_select="zlib"
1284
twinvq_decoder_select="mdct lsp"
1285
vc1_decoder_select="h263_decoder"
1286
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1287
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1288
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1289
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1290
vorbis_decoder_select="mdct"
1291
vorbis_encoder_select="mdct"
1292
vp6_decoder_select="huffman"
1293
vp6a_decoder_select="vp6_decoder"
1294
vp6f_decoder_select="vp6_decoder"
1295
vp8_decoder_select="h264pred"
1296
wmapro_decoder_select="mdct"
1297
wmav1_decoder_select="mdct"
1298
wmav1_encoder_select="mdct"
1299
wmav2_decoder_select="mdct"
1300
wmav2_encoder_select="mdct"
1301
wmavoice_decoder_select="lsp rdft dct mdct"
1302
wmv1_decoder_select="h263_decoder"
1303
wmv1_encoder_select="h263_encoder"
1304
wmv2_decoder_select="h263_decoder"
1305
wmv2_encoder_select="h263_encoder"
1306
wmv3_decoder_select="vc1_decoder"
1307
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1308
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1309
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1310
zlib_decoder_select="zlib"
1311
zlib_encoder_select="zlib"
1312
zmbv_decoder_select="zlib"
1313
zmbv_encoder_select="zlib"
1314

    
1315
vaapi_deps="va_va_h"
1316
vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1317

    
1318
# parsers
1319
h264_parser_select="golomb h264dsp h264pred"
1320

    
1321
# external libraries
1322
libdirac_decoder_deps="libdirac !libschroedinger"
1323
libdirac_encoder_deps="libdirac"
1324
libfaac_encoder_deps="libfaac"
1325
libgsm_decoder_deps="libgsm"
1326
libgsm_encoder_deps="libgsm"
1327
libgsm_ms_decoder_deps="libgsm"
1328
libgsm_ms_encoder_deps="libgsm"
1329
libmp3lame_encoder_deps="libmp3lame"
1330
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1331
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1332
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1333
libopenjpeg_decoder_deps="libopenjpeg"
1334
libschroedinger_decoder_deps="libschroedinger"
1335
libschroedinger_encoder_deps="libschroedinger"
1336
libspeex_decoder_deps="libspeex"
1337
libtheora_encoder_deps="libtheora"
1338
libvorbis_encoder_deps="libvorbis"
1339
libvpx_decoder_deps="libvpx"
1340
libvpx_encoder_deps="libvpx"
1341
libx264_encoder_deps="libx264"
1342
libxavs_encoder_deps="libxavs"
1343
libxvid_encoder_deps="libxvid"
1344

    
1345
# demuxers / muxers
1346
ac3_demuxer_deps="ac3_parser"
1347
asf_stream_muxer_select="asf_muxer"
1348
avisynth_demuxer_deps="avisynth"
1349
dirac_demuxer_deps="dirac_parser"
1350
eac3_demuxer_select="ac3_parser"
1351
ipod_muxer_select="mov_muxer"
1352
libnut_demuxer_deps="libnut"
1353
libnut_muxer_deps="libnut"
1354
matroska_audio_muxer_select="matroska_muxer"
1355
matroska_demuxer_suggest="zlib bzlib"
1356
mov_demuxer_suggest="zlib"
1357
mp3_demuxer_deps="mpegaudio_parser"
1358
mp4_muxer_select="mov_muxer"
1359
mpegtsraw_demuxer_select="mpegts_demuxer"
1360
mxf_d10_muxer_select="mxf_muxer"
1361
ogg_demuxer_select="golomb"
1362
psp_muxer_select="mov_muxer"
1363
rtsp_demuxer_deps="sdp_demuxer"
1364
rtsp_muxer_deps="sdp_demuxer"
1365
rtsp_muxer_select="rtp_muxer"
1366
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1367
sdp_demuxer_select="asf_demuxer rm_demuxer"
1368
spdif_muxer_select="aac_parser"
1369
tg2_muxer_select="mov_muxer"
1370
tgp_muxer_select="mov_muxer"
1371
w64_demuxer_deps="wav_demuxer"
1372

    
1373
# indevs / outdevs
1374
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1375
alsa_outdev_deps="alsa_asoundlib_h"
1376
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1377
dv1394_indev_deps="dv1394 dv_demuxer"
1378
jack_indev_deps="jack_jack_h"
1379
libdc1394_indev_deps="libdc1394"
1380
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1381
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1382
v4l_indev_deps="linux_videodev_h"
1383
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1384
vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1385
vfwcap_indev_extralibs="-lavicap32"
1386
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1387
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1388

    
1389
# filters
1390
frei0r_filter_deps="frei0r dlopen strtok_r"
1391

    
1392
# protocols
1393
gopher_protocol_deps="network"
1394
http_protocol_deps="network"
1395
http_protocol_select="tcp_protocol"
1396
mmsh_protocol_select="http_protocol"
1397
mmst_protocol_deps="network"
1398
rtmp_protocol_select="tcp_protocol"
1399
rtp_protocol_select="udp_protocol"
1400
tcp_protocol_deps="network"
1401
udp_protocol_deps="network"
1402

    
1403
# filters
1404
ocv_smooth_filter_deps="libopencv"
1405
yadif_filter_deps="gpl"
1406

    
1407
# libraries
1408
avdevice_deps="avcodec avformat"
1409
avformat_deps="avcodec"
1410

    
1411
# programs
1412
ffmpeg_deps="avcodec avformat swscale"
1413
ffmpeg_select="buffer_filter"
1414
ffplay_deps="avcodec avformat swscale sdl"
1415
ffplay_select="rdft"
1416
ffprobe_deps="avcodec avformat"
1417
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1418
ffserver_extralibs='$ldl'
1419

    
1420
doc_deps="texi2html"
1421

    
1422
# tests
1423

    
1424
test_deps(){
1425
    suf1=$1
1426
    suf2=$2
1427
    shift 2
1428
    for v; do
1429
        dep=${v%=*}
1430
        tests=${v#*=}
1431
        for name in ${tests}; do
1432
            eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1433
        done
1434
    done
1435
}
1436

    
1437
set_ne_test_deps(){
1438
    eval ${1}_be_test_deps="bigendian"
1439
    eval ${1}_le_test_deps="!bigendian"
1440
}
1441

    
1442
test_deps _encoder _decoder                                             \
1443
    ac3                                                                 \
1444
    adpcm_g726=g726                                                     \
1445
    adpcm_ima_qt                                                        \
1446
    adpcm_ima_wav                                                       \
1447
    adpcm_ms                                                            \
1448
    adpcm_swf                                                           \
1449
    adpcm_yamaha=adpcm_yam                                              \
1450
    alac                                                                \
1451
    asv1                                                                \
1452
    asv2                                                                \
1453
    bmp                                                                 \
1454
    dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1455
    dvvideo="dv dv50"                                                   \
1456
    ffv1                                                                \
1457
    flac                                                                \
1458
    flashsv                                                             \
1459
    flv                                                                 \
1460
    gif                                                                 \
1461
    h261                                                                \
1462
    h263="h263 h263p"                                                   \
1463
    huffyuv                                                             \
1464
    jpegls                                                              \
1465
    mjpeg="jpg mjpeg ljpeg"                                             \
1466
    mp2                                                                 \
1467
    mpeg1video="mpeg mpeg1b"                                            \
1468
    mpeg2video="mpeg2 mpeg2thread"                                      \
1469
    mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1470
    msmpeg4v3=msmpeg4                                                   \
1471
    msmpeg4v2                                                           \
1472
    pbm=pbmpipe                                                         \
1473
    pcx                                                                 \
1474
    pgm="pgm pgmpipe"                                                   \
1475
    ppm="ppm ppmpipe"                                                   \
1476
    rawvideo="rgb yuv"                                                  \
1477
    roq                                                                 \
1478
    rv10                                                                \
1479
    rv20                                                                \
1480
    sgi                                                                 \
1481
    snow="snow snowll"                                                  \
1482
    svq1                                                                \
1483
    targa=tga                                                           \
1484
    tiff                                                                \
1485
    wmav1                                                               \
1486
    wmav2                                                               \
1487
    wmv1                                                                \
1488
    wmv2                                                                \
1489

    
1490
test_deps _muxer _demuxer                                               \
1491
    aiff                                                                \
1492
    pcm_alaw=alaw                                                       \
1493
    asf                                                                 \
1494
    au                                                                  \
1495
    avi                                                                 \
1496
    dv=dv_fmt                                                           \
1497
    ffm                                                                 \
1498
    flv=flv_fmt                                                         \
1499
    gxf                                                                 \
1500
    matroska=mkv                                                        \
1501
    mmf                                                                 \
1502
    mov                                                                 \
1503
    pcm_mulaw=mulaw                                                     \
1504
    mxf                                                                 \
1505
    nut                                                                 \
1506
    ogg                                                                 \
1507
    rawvideo=pixfmt                                                     \
1508
    rm                                                                  \
1509
    swf                                                                 \
1510
    mpegts=ts                                                           \
1511
    voc                                                                 \
1512
    wav                                                                 \
1513
    yuv4mpegpipe=yuv4mpeg                                               \
1514

    
1515
mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1516

    
1517
set_ne_test_deps pixdesc
1518
set_ne_test_deps pixfmts_crop
1519
set_ne_test_deps pixfmts_hflip
1520
set_ne_test_deps pixfmts_null
1521
set_ne_test_deps pixfmts_pad
1522
set_ne_test_deps pixfmts_scale
1523
set_ne_test_deps pixfmts_vflip
1524

    
1525
# default parameters
1526

    
1527
logfile="config.log"
1528

    
1529
# installation paths
1530
prefix_default="/usr/local"
1531
bindir_default='${prefix}/bin'
1532
datadir_default='${prefix}/share/ffmpeg'
1533
incdir_default='${prefix}/include'
1534
libdir_default='${prefix}/lib'
1535
mandir_default='${prefix}/share/man'
1536
shlibdir_default="$libdir_default"
1537

    
1538
# toolchain
1539
ar_default="ar"
1540
cc_default="gcc"
1541
cc_version=\"unknown\"
1542
host_cc_default="gcc"
1543
ln_s="ln -sf"
1544
nm_default="nm"
1545
objformat="elf"
1546
ranlib="ranlib"
1547
strip_default="strip"
1548
yasmexe="yasm"
1549
nogas=":"
1550

    
1551
nm_opts='-g'
1552

    
1553
# machine
1554
arch_default=$(uname -m)
1555
cpu="generic"
1556

    
1557
# OS
1558
target_os_default=$(tolower $(uname -s))
1559
host_os=$target_os_default
1560

    
1561
# configurable options
1562
enable avcodec
1563
enable avcore
1564
enable avdevice
1565
enable avfilter
1566
enable avformat
1567
enable avutil
1568
enable asm
1569
enable debug
1570
enable doc
1571
enable fastdiv
1572
enable ffmpeg
1573
enable ffplay
1574
enable ffprobe
1575
enable ffserver
1576
enable mpegaudio_hp
1577
enable network
1578
enable optimizations
1579
enable protocols
1580
enable static
1581
enable stripping
1582
enable swscale
1583
enable swscale_alpha
1584

    
1585
# build settings
1586
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1587
FFSERVERLDFLAGS=-Wl,-E
1588
LIBPREF="lib"
1589
LIBSUF=".a"
1590
FULLNAME='$(NAME)$(BUILDSUF)'
1591
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1592
SLIBPREF="lib"
1593
SLIBSUF=".so"
1594
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1595
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1596
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1597
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1598

    
1599
CC_O='-o $@'
1600

    
1601
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1602
host_libs='-lm'
1603

    
1604
target_path='$(CURDIR)'
1605

    
1606
# since the object filename is not given with the -MM flag, the compiler
1607
# is only able to print the basename, and we must add the path ourselves
1608
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1609
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1610

    
1611
# find source path
1612
source_path="$(dirname "$0")"
1613
enable source_path_used
1614
if test -f configure; then
1615
    source_path="$(pwd)"
1616
    disable source_path_used
1617
else
1618
    source_path="$(cd "$source_path"; pwd)"
1619
    echo "$source_path" | grep -q '[[:blank:]]' &&
1620
        die "Out of tree builds are impossible with whitespace in source path."
1621
    test -e "$source_path/config.h" &&
1622
        die "Out of tree builds are impossible with config.h in source dir."
1623
fi
1624

    
1625
for v in "$@"; do
1626
    r=${v#*=}
1627
    l=${v%"$r"}
1628
    r=$(sh_quote "$r")
1629
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1630
done
1631

    
1632
find_things(){
1633
    thing=$1
1634
    pattern=$2
1635
    file=$source_path/$3
1636
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1637
}
1638

    
1639
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1640
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1641
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1642
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1643
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1644
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1645
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1646
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1647
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1648
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1649
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1650

    
1651
find_tests(){
1652
    map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1653
}
1654

    
1655
ACODEC_TESTS=$(find_tests acodec)
1656
VCODEC_TESTS=$(find_tests vsynth1)
1657
LAVF_TESTS=$(find_tests lavf)
1658
LAVFI_TESTS=$(find_tests lavfi)
1659
SEEK_TESTS=$(find_tests seek seek_)
1660

    
1661
pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1662

    
1663
for n in $COMPONENT_LIST; do
1664
    v=$(toupper ${n%s})_LIST
1665
    eval enable \$$v
1666
    eval ${n}_if_any="\$$v"
1667
done
1668

    
1669
enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1670

    
1671
die_unknown(){
1672
    echo "Unknown option \"$1\"."
1673
    echo "See $0 --help for available options."
1674
    exit 1
1675
}
1676

    
1677
show_list() {
1678
    suffix=_$1
1679
    shift
1680
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1681
    exit 0
1682
}
1683

    
1684
for opt do
1685
    optval="${opt#*=}"
1686
    case "$opt" in
1687
    --extra-ldflags=*) add_ldflags $optval
1688
    ;;
1689
    --extra-libs=*) add_extralibs $optval
1690
    ;;
1691
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1692
    ;;
1693
    --enable-debug=*) debuglevel="$optval"
1694
    ;;
1695
    --disable-everything)
1696
    map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1697
    ;;
1698
    --enable-*=*|--disable-*=*)
1699
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1700
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1701
    eval list=\$$(toupper $thing)_LIST
1702
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1703
    $action $(filter "$name" $list)
1704
    ;;
1705
    --enable-?*|--disable-?*)
1706
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1707
    if is_in $option $COMPONENT_LIST; then
1708
        test $action = disable && action=unset
1709
        eval $action \$$(toupper ${option%s})_LIST
1710
    elif is_in $option $CMDLINE_SELECT; then
1711
        $action $option
1712
    else
1713
        die_unknown $opt
1714
    fi
1715
    ;;
1716
    --list-*)
1717
        NAME="${opt#--list-}"
1718
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1719
        NAME=${NAME%s}
1720
        eval show_list $NAME \$$(toupper $NAME)_LIST
1721
    ;;
1722
    --help|-h) show_help
1723
    ;;
1724
    *)
1725
    optname="${opt%%=*}"
1726
    optname="${optname#--}"
1727
    optname=$(echo "$optname" | sed 's/-/_/g')
1728
    if is_in $optname $CMDLINE_SET; then
1729
        eval $optname='$optval'
1730
    elif is_in $optname $CMDLINE_APPEND; then
1731
        append $optname "$optval"
1732
    else
1733
         die_unknown $opt
1734
    fi
1735
    ;;
1736
    esac
1737
done
1738

    
1739
disabled logging && logfile=/dev/null
1740

    
1741
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1742
set >> $logfile
1743

    
1744
test -n "$cross_prefix" && enable cross_compile
1745

    
1746
if enabled cross_compile; then
1747
    test -n "$arch" && test -n "$target_os" ||
1748
        die "Must specify target arch and OS when cross-compiling"
1749
fi
1750

    
1751
set_default arch target_os
1752

    
1753
ar_default="${cross_prefix}${ar_default}"
1754
cc_default="${cross_prefix}${cc_default}"
1755
nm_default="${cross_prefix}${nm_default}"
1756
ranlib="${cross_prefix}${ranlib}"
1757
strip_default="${cross_prefix}${strip_default}"
1758

    
1759
sysinclude_default="${sysroot}/usr/include"
1760

    
1761
set_default cc nm strip sysinclude
1762
enabled cross_compile || host_cc_default=$cc
1763
set_default host_cc
1764

    
1765
exesuf() {
1766
    case $1 in
1767
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1768
    esac
1769
}
1770

    
1771
EXESUF=$(exesuf $target_os)
1772
HOSTEXESUF=$(exesuf $host_os)
1773

    
1774
# set temporary file name
1775
: ${TMPDIR:=$TEMPDIR}
1776
: ${TMPDIR:=$TMP}
1777
: ${TMPDIR:=/tmp}
1778

    
1779
if ! check_cmd type mktemp; then
1780
    # simple replacement for missing mktemp
1781
    # NOT SAFE FOR GENERAL USE
1782
    mktemp(){
1783
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1784
    }
1785
fi
1786

    
1787
tmpfile(){
1788
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1789
        (set -C; exec > $tmp) 2>/dev/null ||
1790
        die "Unable to create temporary file in $TMPDIR."
1791
    append TMPFILES $tmp
1792
    eval $1=$tmp
1793
}
1794

    
1795
trap 'rm -f -- $TMPFILES' EXIT
1796
trap exit HUP INT TERM
1797

    
1798
tmpfile TMPC  .c
1799
tmpfile TMPE  $EXESUF
1800
tmpfile TMPH  .h
1801
tmpfile TMPO  .o
1802
tmpfile TMPS  .S
1803
tmpfile TMPV  .ver
1804
tmpfile TMPSH .sh
1805
tmpfile TMPASM .asm
1806

    
1807
unset -f mktemp
1808

    
1809
# make sure we can execute files in $TMPDIR
1810
cat > $TMPSH 2>> $logfile <<EOF
1811
#! /bin/sh
1812
EOF
1813
chmod +x $TMPSH >> $logfile 2>&1
1814
if ! $TMPSH >> $logfile 2>&1; then
1815
    cat <<EOF
1816
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1817
variable to another directory and make sure that it is not mounted noexec.
1818
EOF
1819
    die "Sanity test failed."
1820
fi
1821

    
1822
filter_cflags=echo
1823
filter_cppflags=echo
1824
filter_asflags=echo
1825

    
1826
if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1827
    cc_type=llvm_gcc
1828
    cc_version=__VERSION__
1829
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1830
    cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1831
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1832
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1833
    speed_cflags='-O3'
1834
    size_cflags='-Os'
1835
elif $cc -v 2>&1 | grep -qi ^gcc; then
1836
    cc_type=gcc
1837
    cc_version=__VERSION__
1838
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1839
    cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1840
    if ! $cc -dumpversion | grep -q '^2\.'; then
1841
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1842
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1843
    fi
1844
    speed_cflags='-O3'
1845
    size_cflags='-Os'
1846
elif $cc --version 2>/dev/null | grep -q Intel; then
1847
    cc_type=icc
1848
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1849
    cc_ident=$($cc --version | head -n1)
1850
    icc_version=$($cc -dumpversion)
1851
    CC_DEPFLAGS='-MMD'
1852
    AS_DEPFLAGS='-MMD'
1853
    speed_cflags='-O3'
1854
    size_cflags='-Os'
1855
    noopt_cflags='-O1'
1856
elif $cc -v 2>&1 | grep -q xlc; then
1857
    cc_type=xlc
1858
    cc_version="AV_STRINGIFY(__IBMC__)"
1859
    cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1860
    speed_cflags='-O5'
1861
    size_cflags='-O5 -qcompact'
1862
elif $cc -V 2>/dev/null | grep -q Compaq; then
1863
    cc_type=ccc
1864
    cc_version="AV_STRINGIFY(__DECC_VER)"
1865
    cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1866
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1867
    debuglevel=3
1868
    add_ldflags -Wl,-z,now # calls to libots crash without this
1869
    speed_cflags='-fast'
1870
    size_cflags='-O1'
1871
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1872
    test -d "$sysroot" || die "No valid sysroot specified."
1873
    cc_type=armcc
1874
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1875
    cc_ident=$($cc --vsn | head -n1)
1876
    armcc_conf="$PWD/armcc.conf"
1877
    $cc --arm_linux_configure                 \
1878
        --arm_linux_config_file="$armcc_conf" \
1879
        --configure_sysroot="$sysroot"        \
1880
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1881
        die "Error creating armcc configuration file."
1882
    $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1883
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1884
    as_default="${cross_prefix}gcc"
1885
    CC_DEPFLAGS='-MMD'
1886
    AS_DEPFLAGS='-MMD'
1887
    speed_cflags='-O3'
1888
    size_cflags='-Os'
1889
elif $cc -version 2>/dev/null | grep -q TMS470; then
1890
    cc_type=tms470
1891
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1892
    cc_ident=$($cc -version | head -n1 | tr -s ' ')
1893
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1894
    CC_O='-fr=$(@D)'
1895
    as_default="${cross_prefix}gcc"
1896
    ld_default="${cross_prefix}gcc"
1897
    TMPO=$(basename $TMPC .c).o
1898
    append TMPFILES $TMPO
1899
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1900
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1901
    AS_DEPFLAGS='-MMD'
1902
    speed_cflags='-O3 -mf=5'
1903
    size_cflags='-O3 -mf=2'
1904
    filter_cflags=tms470_flags
1905
    tms470_flags(){
1906
        for flag; do
1907
            case $flag in
1908
                -march=*|-mcpu=*)
1909
                    case "${flag#*=}" in
1910
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1911
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1912
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1913
                        armv6*|arm11*)          echo -mv=6   ;;
1914
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1915
                                                echo -mv=5e  ;;
1916
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1917
                    esac
1918
                    ;;
1919
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1920
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1921
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1922
                -msoft-float)   echo --float_support=vfplib       ;;
1923
                -O[0-3]|-mf=*)  echo $flag                        ;;
1924
                -g)             echo -g -mn                       ;;
1925
                -pds=*)         echo $flag                        ;;
1926
            esac
1927
        done
1928
    }
1929
elif $cc -v 2>&1 | grep -q clang; then
1930
    cc_type=clang
1931
    $cc -dM -E $TMPC | grep -q __clang_version__ &&
1932
        cc_version=__clang_version__ || cc_version=__VERSION__
1933
    cc_ident=$($cc --version | head -n1)
1934
    CC_DEPFLAGS='-MMD'
1935
    AS_DEPFLAGS='-MMD'
1936
    speed_cflags='-O3'
1937
    size_cflags='-Os'
1938
elif $cc -V 2>&1 | grep -q Sun; then
1939
    cc_type=suncc
1940
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1941
    cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1942
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1943
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1944
    speed_cflags='-O5'
1945
    size_cflags='-O5 -xspace'
1946
    filter_cflags=suncc_flags
1947
    suncc_flags(){
1948
        for flag; do
1949
            case $flag in
1950
                -march=*|-mcpu=*)
1951
                    case "${flag#*=}" in
1952
                        native)                   echo -xtarget=native       ;;
1953
                        v9|niagara)               echo -xarch=sparc          ;;
1954
                        ultrasparc)               echo -xarch=sparcvis       ;;
1955
                        ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
1956
                        i586|pentium)             echo -xchip=pentium        ;;
1957
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
1958
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
1959
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
1960
                        pentium4*)          echo -xtarget=pentium4           ;;
1961
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
1962
                        *-sse3)             echo -xarch=sse3                 ;;
1963
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
1964
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
1965
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
1966
                        k8|opteron|athlon64|athlon-fx)
1967
                                                  echo -xarch=sse2a          ;;
1968
                        athlon*)                  echo -xarch=pentium_proa   ;;
1969
                    esac
1970
                    ;;
1971
                -std=c99)             echo -xc99              ;;
1972
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
1973
                -fPIC)                echo -KPIC -xcode=pic32 ;;
1974
                -W*,*)                echo $flag              ;;
1975
                -f*-*|-W*)                                    ;;
1976
                *)                    echo $flag              ;;
1977
            esac
1978
        done
1979
    }
1980
elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
1981
    cc_type=pathscale
1982
    cc_version=__PATHSCALE__
1983
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1984
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1985
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1986
    speed_cflags='-O2'
1987
    size_cflags='-Os'
1988
elif $cc -v 2>&1 | grep -q Open64; then
1989
    cc_type=open64
1990
    cc_version=__OPEN64__
1991
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1992
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1993
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1994
    speed_cflags='-O2'
1995
    size_cflags='-Os'
1996
fi
1997

    
1998
test -n "$cc_type" && enable $cc_type ||
1999
    warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2000

    
2001
: ${as_default:=$cc}
2002
: ${dep_cc_default:=$cc}
2003
: ${ld_default:=$cc}
2004
set_default ar as dep_cc ld
2005

    
2006
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2007
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2008

    
2009
add_cflags $extra_cflags
2010
add_asflags $extra_cflags
2011

    
2012
if test -n "$sysroot"; then
2013
    case "$cc_type" in
2014
        gcc|llvm_gcc)
2015
            add_cppflags --sysroot="$sysroot"
2016
            add_ldflags --sysroot="$sysroot"
2017
        ;;
2018
        tms470)
2019
            add_cppflags -I"$sysinclude"
2020
            add_ldflags  --sysroot="$sysroot"
2021
        ;;
2022
        clang)
2023
            add_cppflags -isysroot "$sysroot"
2024
            add_ldflags -isysroot "$sysroot"
2025
        ;;
2026
    esac
2027
fi
2028

    
2029
if test "$cpu" = host; then
2030
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2031

    
2032
    case "$cc_type" in
2033
        gcc|llvm_gcc)
2034
            check_native(){
2035
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2036
                sed -n "/$1=/{
2037
                            s/.*$1=\\([^ ]*\\).*/\\1/
2038
                            p
2039
                            q
2040
                        }" $TMPE
2041
            }
2042
            cpu=$(check_native -march || check_native -mcpu)
2043
        ;;
2044
    esac
2045

    
2046
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2047
fi
2048

    
2049
# Deal with common $arch aliases
2050
case "$arch" in
2051
    arm*)
2052
        arch="arm"
2053
    ;;
2054
    mips|mipsel|IP*)
2055
        arch="mips"
2056
    ;;
2057
    mips64*)
2058
        arch="mips"
2059
        subarch="mips64"
2060
    ;;
2061
    parisc|hppa)
2062
        arch="parisc"
2063
    ;;
2064
    parisc64|hppa64)
2065
        arch="parisc"
2066
        subarch="parisc64"
2067
    ;;
2068
    "Power Macintosh"|ppc|powerpc)
2069
        arch="ppc"
2070
    ;;
2071
    ppc64|powerpc64)
2072
        arch="ppc"
2073
        subarch="ppc64"
2074
    ;;
2075
    s390|s390x)
2076
        arch="s390"
2077
    ;;
2078
    sh4|sh)
2079
        arch="sh4"
2080
    ;;
2081
    sun4u|sparc64)
2082
        arch="sparc"
2083
        subarch="sparc64"
2084
    ;;
2085
    i[3-6]86|i86pc|BePC|x86_64|amd64)
2086
        arch="x86"
2087
    ;;
2088
esac
2089

    
2090
is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2091
enable $arch
2092

    
2093
# Add processor-specific flags
2094
if test "$cpu" = generic; then
2095
    : do nothing
2096
elif enabled ppc; then
2097

    
2098
    case $(tolower $cpu) in
2099
        601|ppc601|powerpc601)
2100
            cpuflags="-mcpu=601"
2101
            disable altivec
2102
        ;;
2103
        603*|ppc603*|powerpc603*)
2104
            cpuflags="-mcpu=603"
2105
            disable altivec
2106
        ;;
2107
        604*|ppc604*|powerpc604*)
2108
            cpuflags="-mcpu=604"
2109
            disable altivec
2110
        ;;
2111
        g3|75*|ppc75*|powerpc75*)
2112
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2113
            disable altivec
2114
        ;;
2115
        g4|745*|ppc745*|powerpc745*)
2116
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2117
        ;;
2118
        74*|ppc74*|powerpc74*)
2119
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2120
        ;;
2121
        g5|970|ppc970|powerpc970|power4*)
2122
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2123
        ;;
2124
        cell)
2125
            cpuflags="-mcpu=cell"
2126
            enable ldbrx
2127
        ;;
2128
        e500v2)
2129
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2130
            disable altivec
2131
        ;;
2132
        e500)
2133
            cpuflags="-mcpu=8540 -mhard-float"
2134
            disable altivec
2135
        ;;
2136
    esac
2137

    
2138
elif enabled x86; then
2139

    
2140
    case $cpu in
2141
        i[345]86|pentium)
2142
            cpuflags="-march=$cpu"
2143
            disable mmx
2144
        ;;
2145
        # targets that do NOT support conditional mov (cmov)
2146
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2147
            cpuflags="-march=$cpu"
2148
            disable cmov
2149
        ;;
2150
        # targets that do support conditional mov (cmov)
2151
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
2152
            cpuflags="-march=$cpu"
2153
            enable cmov
2154
            enable fast_cmov
2155
        ;;
2156
        # targets that do support conditional mov but on which it's slow
2157
        pentium4|pentium4m|prescott|nocona)
2158
            cpuflags="-march=$cpu"
2159
            enable cmov
2160
            disable fast_cmov
2161
        ;;
2162
    esac
2163

    
2164
elif enabled sparc; then
2165

    
2166
    case $cpu in
2167
        niagara)
2168
            cpuflags="-mcpu=$cpu"
2169
            disable vis
2170
        ;;
2171
        sparc64)
2172
            cpuflags="-mcpu=v9"
2173
        ;;
2174
    esac
2175

    
2176
elif enabled arm; then
2177

    
2178
    case $cpu in
2179
        armv*)
2180
            cpuflags="-march=$cpu"
2181
            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2182
        ;;
2183
        *)
2184
            cpuflags="-mcpu=$cpu"
2185
            case $cpu in
2186
                cortex-a*)                               subarch=armv7a  ;;
2187
                cortex-r*)                               subarch=armv7r  ;;
2188
                cortex-m*)                               subarch=armv7m  ;;
2189
                arm11*)                                  subarch=armv6   ;;
2190
                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2191
                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2192
            esac
2193
        ;;
2194
    esac
2195

    
2196
elif enabled alpha; then
2197

    
2198
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2199

    
2200
elif enabled bfin; then
2201

    
2202
    cpuflags="-mcpu=$cpu"
2203

    
2204
elif enabled mips; then
2205

    
2206
    cpuflags="-march=$cpu"
2207

    
2208
elif enabled avr32; then
2209

    
2210
    case $cpu in
2211
        ap7[02]0[0-2])
2212
            subarch="avr32_ap"
2213
            cpuflags="-mpart=$cpu"
2214
        ;;
2215
        ap)
2216
            subarch="avr32_ap"
2217
            cpuflags="-march=$cpu"
2218
        ;;
2219
        uc3[ab]*)
2220
            subarch="avr32_uc"
2221
            cpuflags="-mcpu=$cpu"
2222
        ;;
2223
        uc)
2224
            subarch="avr32_uc"
2225
            cpuflags="-march=$cpu"
2226
        ;;
2227
    esac
2228

    
2229
fi
2230

    
2231
add_cflags $cpuflags
2232
add_asflags $cpuflags
2233

    
2234
# compiler sanity check
2235
check_exec <<EOF
2236
int main(void){ return 0; }
2237
EOF
2238
if test "$?" != 0; then
2239
    echo "$cc is unable to create an executable file."
2240
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
2241
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2242
        echo "Only do this if you know what cross compiling means."
2243
    fi
2244
    die "C compiler test failed."
2245
fi
2246

    
2247
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2248
check_cflags -std=c99
2249
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2250
#include <stdlib.h>
2251
EOF
2252
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2253
#include <stdlib.h>
2254
EOF
2255

    
2256
check_host_cflags -std=c99
2257

    
2258
case "$arch" in
2259
    alpha|ia64|mips|parisc|sparc)
2260
        spic=$shared
2261
    ;;
2262
    x86)
2263
        subarch="x86_32"
2264
        check_cc <<EOF && subarch="x86_64"
2265
        int test[(int)sizeof(char*) - 7];
2266
EOF
2267
        if test "$subarch" = "x86_64"; then
2268
            spic=$shared
2269
        fi
2270
    ;;
2271
esac
2272

    
2273
enable $subarch
2274
enabled spic && enable pic
2275

    
2276
# OS specific
2277
case $target_os in
2278
    haiku)
2279
        prefix_default="/boot/common"
2280
        network_extralibs="-lnetwork"
2281
        ;;
2282
    sunos)
2283
        FFSERVERLDFLAGS=""
2284
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2285
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2286
        network_extralibs="-lsocket -lnsl"
2287
        add_cppflags -D__EXTENSIONS__
2288
        nm_opts='-P -g'
2289
        ;;
2290
    netbsd)
2291
        oss_indev_extralibs="-lossaudio"
2292
        oss_outdev_extralibs="-lossaudio"
2293
        add_cppflags -D_XOPEN_SOURCE=600
2294
        ;;
2295
    openbsd)
2296
        enable malloc_aligned
2297
        # On OpenBSD 4.5. the compiler does not use PIC unless
2298
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
2299
        # however the generated executable will not do anything
2300
        # (simply quits with exit-code 1, no crash, no output).
2301
        # Thus explicitly enable PIC here.
2302
        enable pic
2303
        SHFLAGS='-shared'
2304
        oss_indev_extralibs="-lossaudio"
2305
        oss_outdev_extralibs="-lossaudio"
2306
        ;;
2307
    freebsd|dragonfly)
2308
        enable malloc_aligned
2309
        ;;
2310
    bsd/os)
2311
        add_extralibs -lpoll -lgnugetopt
2312
        strip="strip -d"
2313
        ;;
2314
    darwin)
2315
        enable malloc_aligned
2316
        gas="gas-preprocessor.pl $cc"
2317
        enabled ppc && add_asflags -force_cpusubtype_ALL
2318
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2319
        strip="${strip} -x"
2320
        add_ldflags -Wl,-dynamic,-search_paths_first
2321
        SLIBSUF=".dylib"
2322
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2323
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2324
        FFSERVERLDFLAGS=-Wl,-bind_at_load
2325
        objformat="macho"
2326
        enabled x86_64 && objformat="macho64"
2327
        enabled_any pic shared ||
2328
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2329
        ;;
2330
    mingw32*)
2331
        if test $target_os = "mingw32ce"; then
2332
            disable network
2333
        else
2334
            target_os=mingw32
2335
        fi
2336
        LIBTARGET=i386
2337
        if enabled x86_64; then
2338
            enable malloc_aligned
2339
            LIBTARGET=x64
2340
        elif enabled arm; then
2341
            LIBTARGET=arm
2342
        fi
2343
        shlibdir_default="$bindir_default"
2344
        disable ffserver
2345
        SLIBPREF=""
2346
        SLIBSUF=".dll"
2347
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2348
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2349
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2350
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2351
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2352
            install -d "$(LIBDIR)"; \
2353
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2354
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2355
        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'
2356
        objformat="win32"
2357
        enable dos_paths
2358
        check_cflags -fno-common
2359
        check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2360
                                      || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2361
                die "ERROR: MinGW runtime version must be >= 3.15."
2362
        ;;
2363
    cygwin*)
2364
        target_os=cygwin
2365
        shlibdir_default="$bindir_default"
2366
        SLIBPREF="cyg"
2367
        SLIBSUF=".dll"
2368
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2369
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2370
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
2371
        objformat="win32"
2372
        enable dos_paths
2373
        check_cflags -fno-common
2374
        ;;
2375
    *-dos|freedos|opendos)
2376
        disable ffplay ffserver
2377
        disable $INDEV_LIST $OUTDEV_LIST
2378
        network_extralibs="-lsocket"
2379
        objformat="coff"
2380
        enable dos_paths
2381
        ;;
2382
    linux)
2383
        enable dv1394
2384
        ;;
2385
    irix*)
2386
        target_os=irix
2387
        ranlib="echo ignoring ranlib"
2388
        ;;
2389
    os/2*)
2390
        strip="lxlite"
2391
        ln_s="cp -f"
2392
        add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2393
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2394
        FFSERVERLDFLAGS=""
2395
        LIBSUF="_s.a"
2396
        SLIBPREF=""
2397
        SLIBSUF=".dll"
2398
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2399
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2400
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2401
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2402
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2403
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2404
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2405
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2406
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2407
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2408
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2409
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2410
        enable dos_paths
2411
        ;;
2412
    gnu/kfreebsd)
2413
        ;;
2414
    gnu)
2415
        ;;
2416
    none)
2417
        ;;
2418
    *)
2419
        die "Unknown OS '$target_os'."
2420
        ;;
2421
esac
2422

    
2423
echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2424

    
2425
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2426

    
2427
set_default $PATHS_LIST
2428

    
2429
# we need to build at least one lib type
2430
if ! enabled_any static shared; then
2431
    cat <<EOF
2432
At least one library type must be built.
2433
Specify --enable-static to build the static libraries or --enable-shared to
2434
build the shared libraries as well. To only build the shared libraries specify
2435
--disable-static in addition to --enable-shared.
2436
EOF
2437
    exit 1;
2438
fi
2439

    
2440
disabled static && LIBNAME=""
2441

    
2442
die_license_disabled() {
2443
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2444
}
2445

    
2446
die_license_disabled gpl libx264
2447
die_license_disabled gpl libxavs
2448
die_license_disabled gpl libxvid
2449
die_license_disabled gpl postproc
2450
die_license_disabled gpl x11grab
2451

    
2452
die_license_disabled nonfree libfaac
2453

    
2454
die_license_disabled version3 libopencore_amrnb
2455
die_license_disabled version3 libopencore_amrwb
2456

    
2457
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2458

    
2459
check_deps $ARCH_EXT_LIST
2460

    
2461
disabled optimizations || check_cflags -fomit-frame-pointer
2462

    
2463
enable_pic() {
2464
    enable pic
2465
    add_cppflags -DPIC
2466
    add_cflags   -fPIC
2467
    add_asflags  -fPIC
2468
}
2469

    
2470
enabled pic && enable_pic
2471

    
2472
check_cc <<EOF || die "Symbol mangling check failed."
2473
int ff_extern;
2474
EOF
2475
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2476
extern_prefix=${sym%%ff_extern*}
2477

    
2478
check_cc <<EOF && enable inline_asm
2479
void foo(void) { __asm__ volatile ("" ::); }
2480
EOF
2481

    
2482
_restrict=
2483
for restrict_keyword in restrict __restrict__ __restrict; do
2484
    check_cc <<EOF && _restrict=$restrict_keyword && break
2485
void foo(char * $restrict_keyword p);
2486
EOF
2487
done
2488

    
2489
check_cc <<EOF && enable attribute_packed
2490
struct { int x; } __attribute__((packed)) x;
2491
EOF
2492

    
2493
check_cc <<EOF && enable attribute_may_alias
2494
union { int x; } __attribute__((may_alias)) x;
2495
EOF
2496

    
2497
check_cc <<EOF || die "endian test failed"
2498
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2499
EOF
2500
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2501

    
2502
if enabled alpha; then
2503

    
2504
    check_cflags -mieee
2505

    
2506
elif enabled arm; then
2507

    
2508
    check_cflags -marm
2509
    nogas=die
2510

    
2511
    check_ld <<EOF && enable vfp_args
2512
__asm__ (".eabi_attribute 28, 1");
2513
int main(void) { return 0; }
2514
EOF
2515

    
2516
    # We have to check if pld is a nop and disable it.
2517
    check_asm pld '"pld [r0]"'
2518

    
2519
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2520
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2521
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2522
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2523
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2524
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2525

    
2526
    enabled_all armv6t2 shared !pic && enable_pic
2527

    
2528
elif enabled mips; then
2529

    
2530
    check_asm loongson '"dmult.g $1, $2, $3"'
2531
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2532

    
2533
elif enabled ppc; then
2534

    
2535
    enable local_aligned_8 local_aligned_16
2536

    
2537
    check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2538
    check_asm ibm_asm   '"add 0, 0, 0"'
2539
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2540
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2541

    
2542
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2543
    if enabled altivec; then
2544
        nogas=warn
2545
        check_cflags -maltivec -mabi=altivec &&
2546
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2547
        check_cflags -faltivec
2548

    
2549
        # check if our compiler supports Motorola AltiVec C API
2550
        check_cc <<EOF || disable altivec
2551
$inc_altivec_h
2552
int main(void) {
2553
    vector signed int v1, v2, v3;
2554
    v1 = vec_add(v2,v3);
2555
    return 0;
2556
}
2557
EOF
2558

    
2559
        # check if our compiler supports braces for vector declarations
2560
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2561
$inc_altivec_h
2562
int main (void) { (vector int) {1}; return 0; }
2563
EOF
2564
    fi
2565

    
2566
elif enabled sparc; then
2567

    
2568
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2569
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2570

    
2571
elif enabled x86; then
2572

    
2573
    enable local_aligned_8 local_aligned_16
2574

    
2575
    # check whether EBP is available on x86
2576
    # As 'i' is stored on the stack, this program will crash
2577
    # if the base pointer is used to access it because the
2578
    # base pointer is cleared in the inline assembly code.
2579
    check_exec_crash <<EOF && enable ebp_available
2580
    volatile int i=0;
2581
    __asm__ volatile (
2582
        "xorl %%ebp, %%ebp"
2583
    ::: "%ebp");
2584
    return i;
2585
EOF
2586

    
2587
    # check whether EBX is available on x86
2588
    check_asm ebx_available '""::"b"(0)' &&
2589
        check_asm ebx_available '"":::"%ebx"'
2590

    
2591
    # check whether more than 10 operands are supported
2592
    check_cc <<EOF && enable ten_operands
2593
int main(void) {
2594
    int x=0;
2595
    __asm__ volatile(
2596
        ""
2597
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2598
    );
2599
    return 0;
2600
}
2601
EOF
2602

    
2603
    # check whether binutils is new enough to compile SSSE3/MMX2
2604
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2605
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2606

    
2607
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2608

    
2609
    YASMFLAGS="-f $objformat"
2610
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2611
    enabled     pic           && append YASMFLAGS "-DPIC"
2612
    test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2613
    case "$objformat" in
2614
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2615
    esac
2616
    if ! disabled_any asm mmx yasm; then
2617
        check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2618
            die "yasm not found, use --disable-yasm for a crippled build"
2619
    fi
2620

    
2621
    case "$cpu" in
2622
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2623
            disable fast_clz
2624
        ;;
2625
    esac
2626

    
2627
fi
2628

    
2629
if enabled asm; then
2630
    as=${gas:=$as}
2631
    check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2632
        $nogas "GNU assembler not found, install gas-preprocessor"
2633
fi
2634

    
2635
if check_func dlopen; then
2636
    ldl=
2637
elif check_func dlopen -ldl; then
2638
    ldl=-ldl
2639
fi
2640

    
2641
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2642
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2643

    
2644
check_func  fcntl
2645
check_func  fork
2646
check_func  getaddrinfo $network_extralibs
2647
check_func  gethrtime
2648
check_func  getrusage
2649
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2650
check_func  inet_aton $network_extralibs
2651
check_func  isatty
2652
check_func  ${malloc_prefix}memalign            && enable memalign
2653
check_func  mkstemp
2654
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2655
check_func  setrlimit
2656
check_func  strerror_r
2657
check_func  strtok_r
2658
check_func_headers io.h setmode
2659
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2660
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2661
check_func_headers windows.h GetProcessTimes
2662
check_func_headers windows.h VirtualAlloc
2663

    
2664
check_header conio.h
2665
check_header dlfcn.h
2666
check_header dxva2api.h
2667
check_header malloc.h
2668
check_header poll.h
2669
check_header sys/mman.h
2670
check_header sys/resource.h
2671
check_header sys/select.h
2672
check_header termios.h
2673
check_header vdpau/vdpau.h
2674
check_header vdpau/vdpau_x11.h
2675
check_header X11/extensions/XvMClib.h
2676

    
2677
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2678

    
2679
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2680
     enabled_any $need_memalign ; then
2681
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2682
fi
2683

    
2684
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2685
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2686

    
2687
# check for some common methods of building with pthread support
2688
# do this before the optional library checks as some of them require pthreads
2689
if ! disabled pthreads && ! enabled w32threads; then
2690
    enable pthreads
2691
    if check_func pthread_create; then
2692
        :
2693
    elif check_func pthread_create -pthread; then
2694
        add_cflags -pthread
2695
        add_extralibs -pthread
2696
    elif check_func pthread_create -pthreads; then
2697
        add_cflags -pthreads
2698
        add_extralibs -pthreads
2699
    elif check_func pthread_create -lpthreadGC2; then
2700
        add_extralibs -lpthreadGC2
2701
    elif ! check_lib pthread.h pthread_create -lpthread; then
2702
        disable pthreads
2703
    fi
2704
fi
2705

    
2706
for thread in $THREADS_LIST; do
2707
    if enabled $thread; then
2708
        test -n "$thread_type" &&
2709
            die "ERROR: Only one thread type must be selected." ||
2710
            thread_type="$thread"
2711
    fi
2712
done
2713

    
2714
check_lib math.h sin -lm
2715
disabled vaapi || check_lib va/va.h vaInitialize -lva
2716

    
2717
check_mathfunc exp2
2718
check_mathfunc exp2f
2719
check_mathfunc llrint
2720
check_mathfunc llrintf
2721
check_mathfunc log2
2722
check_mathfunc log2f
2723
check_mathfunc lrint
2724
check_mathfunc lrintf
2725
check_mathfunc round
2726
check_mathfunc roundf
2727
check_mathfunc truncf
2728

    
2729
# these are off by default, so fail if requested and not available
2730
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2731
enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2732
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2733
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2734
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2735
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2736
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2737
enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h hip_decode_init -lmp3lame
2738
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2739
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2740
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2741
enabled libopencv  && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) ||
2742
                        die "ERROR: libopencv not found"; }
2743
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2744
enabled librtmp    && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2745
                        die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2746
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2747
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2748
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2749
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2750
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2751
enabled libvpx     && {
2752
    enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2753
                                die "ERROR: libvpx decoder version must be >=0.9.1"; }
2754
    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2755
                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2756
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2757
                      { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2758
                        die "ERROR: libx264 version must be >= 0.98."; }
2759
enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2760
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2761
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2762

    
2763
# libdc1394 check
2764
if enabled libdc1394; then
2765
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2766
        enable libdc1394_2; } ||
2767
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2768
        enable libdc1394_1; } ||
2769
    die "ERROR: No version of libdc1394 found "
2770
fi
2771

    
2772
SDL_CONFIG="${cross_prefix}sdl-config"
2773
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2774
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2775
    sdl_libs=$("${SDL_CONFIG}" --libs)
2776
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2777
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2778
    enable sdl &&
2779
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2780
fi
2781

    
2782
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2783

    
2784
if enabled network; then
2785
    check_type "sys/types.h sys/socket.h" socklen_t
2786
    check_type netdb.h "struct addrinfo"
2787
    check_type netinet/in.h "struct ipv6_mreq"
2788
    check_type netinet/in.h "struct sockaddr_in6"
2789
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2790
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2791
    # Prefer arpa/inet.h over winsock2
2792
    if check_header arpa/inet.h ; then
2793
        check_func closesocket
2794
    elif check_header winsock2.h ; then
2795
        check_func_headers winsock2.h closesocket -lws2 && \
2796
            network_extralibs="-lws2" || \
2797
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2798
            network_extralibs="-lws2_32"; }
2799
        check_type ws2tcpip.h socklen_t
2800
        check_type ws2tcpip.h "struct addrinfo"
2801
        check_type ws2tcpip.h "struct ipv6_mreq"
2802
        check_type ws2tcpip.h "struct sockaddr_in6"
2803
        check_type ws2tcpip.h "struct sockaddr_storage"
2804
        check_struct winsock2.h "struct sockaddr" sa_len
2805
    else
2806
        disable network
2807
    fi
2808
fi
2809

    
2810
check_header linux/videodev.h
2811
check_header linux/videodev2.h
2812
check_header sys/videoio.h
2813

    
2814
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2815
# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2816
# w32api 3.12 had it defined wrong
2817
check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2818

    
2819
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2820
{ check_header dev/bktr/ioctl_meteor.h &&
2821
  check_header dev/bktr/ioctl_bt848.h; } ||
2822
{ check_header machine/ioctl_meteor.h &&
2823
  check_header machine/ioctl_bt848.h; } ||
2824
{ check_header dev/video/meteor/ioctl_meteor.h &&
2825
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2826
check_header dev/ic/bt8xx.h
2827

    
2828
check_header sys/soundcard.h
2829
check_header soundcard.h
2830

    
2831
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2832

    
2833
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2834

    
2835
enabled x11grab                         &&
2836
check_header X11/Xlib.h                 &&
2837
check_header X11/extensions/XShm.h      &&
2838
check_header X11/extensions/Xfixes.h    &&
2839
check_func XOpenDisplay -lX11           &&
2840
check_func XShmCreateImage -lX11 -lXext &&
2841
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2842

    
2843
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2844
check_cpp_condition \
2845
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2846
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2847
      disable vdpau; }
2848
fi
2849

    
2850
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2851

    
2852
# add some useful compiler flags if supported
2853
check_cflags -Wdeclaration-after-statement
2854
check_cflags -Wall
2855
check_cflags -Wno-parentheses
2856
check_cflags -Wno-switch
2857
check_cflags -Wdisabled-optimization
2858
check_cflags -Wpointer-arith
2859
check_cflags -Wredundant-decls
2860
check_cflags -Wno-pointer-sign
2861
check_cflags -Wcast-qual
2862
check_cflags -Wwrite-strings
2863
check_cflags -Wtype-limits
2864
check_cflags -Wundef
2865
check_cflags -Wmissing-prototypes
2866
enabled extra_warnings && check_cflags -Winline
2867

    
2868
# add some linker flags
2869
check_ldflags -Wl,--warn-common
2870
check_ldflags -Wl,--as-needed
2871
check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavcore -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2872
check_ldflags -Wl,-Bsymbolic
2873

    
2874
echo "X{};" > $TMPV
2875
if test_ldflags -Wl,--version-script,$TMPV; then
2876
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2877
    check_cc <<EOF && enable symver_asm_label
2878
void ff_foo(void) __asm__ ("av_foo@VERSION");
2879
void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2880
EOF
2881
    check_cc <<EOF && enable symver_gnu_asm
2882
__asm__(".symver ff_foo,av_foo@VERSION");
2883
void ff_foo(void) {}
2884
EOF
2885
fi
2886

    
2887
if enabled small; then
2888
    add_cflags $size_cflags
2889
    optimizations="small"
2890
elif enabled optimizations; then
2891
    add_cflags $speed_cflags
2892
else
2893
    add_cflags $noopt_cflags
2894
fi
2895
check_cflags -fno-math-errno
2896
check_cflags -fno-signed-zeros
2897

    
2898
if enabled icc; then
2899
    # Just warnings, no remarks
2900
    check_cflags -w1
2901
    # -wd: Disable following warnings
2902
    # 144, 167, 556: -Wno-pointer-sign
2903
    # 10006: ignoring unknown option -fno-signed-zeros
2904
    # 10156: ignoring option '-W'; no argument required
2905
    check_cflags -wd144,167,556,10006,10156
2906
    # 11030: Warning unknown option --as-needed
2907
    # 10156: ignoring option '-export'; no argument required
2908
    check_ldflags -wd10156,11030
2909
    # Allow to compile with optimizations
2910
    check_ldflags -march=$cpu
2911
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2912
    enable ebp_available
2913
    if enabled x86_32; then
2914
        test ${icc_version%%.*} -ge 11 && \
2915
            check_cflags -falign-stack=maintain-16-byte || \
2916
            disable aligned_stack
2917
    fi
2918
elif enabled ccc; then
2919
    # disable some annoying warnings
2920
    add_cflags -msg_disable cvtu32to64
2921
    add_cflags -msg_disable embedcomment
2922
    add_cflags -msg_disable needconstext
2923
    add_cflags -msg_disable nomainieee
2924
    add_cflags -msg_disable ptrmismatch1
2925
    add_cflags -msg_disable unreachcode
2926
elif enabled gcc; then
2927
    check_cflags -fno-tree-vectorize
2928
    check_cflags -Werror=implicit-function-declaration
2929
    check_cflags -Werror=missing-prototypes
2930
elif enabled llvm_gcc; then
2931
    check_cflags -mllvm -stack-alignment=16
2932
elif enabled clang; then
2933
    check_cflags -mllvm -stack-alignment=16
2934
    check_cflags -Qunused-arguments
2935
elif enabled armcc; then
2936
    # 2523: use of inline assembler is deprecated
2937
    add_cflags -W${armcc_opt},--diag_suppress=2523
2938
    add_cflags -W${armcc_opt},--diag_suppress=1207
2939
elif enabled tms470; then
2940
    add_cflags -pds=824 -pds=837
2941
fi
2942

    
2943
enabled_any $THREADS_LIST      && enable threads
2944

    
2945
check_deps $CONFIG_LIST       \
2946
           $CONFIG_EXTRA      \
2947
           $HAVE_LIST         \
2948
           $DECODER_LIST      \
2949
           $ENCODER_LIST      \
2950
           $HWACCEL_LIST      \
2951
           $PARSER_LIST       \
2952
           $BSF_LIST          \
2953
           $DEMUXER_LIST      \
2954
           $MUXER_LIST        \
2955
           $FILTER_LIST       \
2956
           $INDEV_LIST        \
2957
           $OUTDEV_LIST       \
2958
           $PROTOCOL_LIST     \
2959
           $ACODEC_TESTS      \
2960
           $VCODEC_TESTS      \
2961
           $LAVF_TESTS        \
2962
           $LAVFI_TESTS       \
2963
           $SEEK_TESTS        \
2964

    
2965
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2966

    
2967
echo "install prefix            $prefix"
2968
echo "source path               $source_path"
2969
echo "C compiler                $cc"
2970
echo "ARCH                      $arch ($cpu)"
2971
if test "$build_suffix" != ""; then
2972
    echo "build suffix              $build_suffix"
2973
fi
2974
if test "$extra_version" != ""; then
2975
    echo "version string suffix     $extra_version"
2976
fi
2977
echo "big-endian                ${bigendian-no}"
2978
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2979
if enabled x86; then
2980
    echo "yasm                      ${yasm-no}"
2981
    echo "MMX enabled               ${mmx-no}"
2982
    echo "MMX2 enabled              ${mmx2-no}"
2983
    echo "3DNow! enabled            ${amd3dnow-no}"
2984
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2985
    echo "SSE enabled               ${sse-no}"
2986
    echo "SSSE3 enabled             ${ssse3-no}"
2987
    echo "CMOV enabled              ${cmov-no}"
2988
    echo "CMOV is fast              ${fast_cmov-no}"
2989
    echo "EBX available             ${ebx_available-no}"
2990
    echo "EBP available             ${ebp_available-no}"
2991
    echo "10 operands supported     ${ten_operands-no}"
2992
fi
2993
if enabled arm; then
2994
    echo "ARMv5TE enabled           ${armv5te-no}"
2995
    echo "ARMv6 enabled             ${armv6-no}"
2996
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2997
    echo "ARM VFP enabled           ${armvfp-no}"
2998
    echo "IWMMXT enabled            ${iwmmxt-no}"
2999
    echo "NEON enabled              ${neon-no}"
3000
fi
3001
if enabled mips; then
3002
    echo "MMI enabled               ${mmi-no}"
3003
fi
3004
if enabled ppc; then
3005
    echo "AltiVec enabled           ${altivec-no}"
3006
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
3007
    echo "dcbzl available           ${dcbzl-no}"
3008
fi
3009
if enabled sparc; then
3010
    echo "VIS enabled               ${vis-no}"
3011
fi
3012
echo "debug symbols             ${debug-no}"
3013
echo "strip symbols             ${stripping-no}"
3014
echo "optimizations             ${optimizations-no}"
3015
echo "static                    ${static-no}"
3016
echo "shared                    ${shared-no}"
3017
echo "postprocessing support    ${postproc-no}"
3018
echo "new filter support        ${avfilter-no}"
3019
echo "network support           ${network-no}"
3020
echo "threading support         ${thread_type-no}"
3021
echo "SDL support               ${sdl-no}"
3022
echo "Sun medialib support      ${mlib-no}"
3023
echo "AVISynth enabled          ${avisynth-no}"
3024
echo "frei0r enabled            ${frei0r-no}"
3025
echo "libdc1394 support         ${libdc1394-no}"
3026
echo "libdirac enabled          ${libdirac-no}"
3027
echo "libfaac enabled           ${libfaac-no}"
3028
echo "libgsm enabled            ${libgsm-no}"
3029
echo "libmp3lame enabled        ${libmp3lame-no}"
3030
echo "libnut enabled            ${libnut-no}"
3031
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3032
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3033
echo "libopencv support         ${libopencv-no}"
3034
echo "libopenjpeg enabled       ${libopenjpeg-no}"
3035
echo "librtmp enabled           ${librtmp-no}"
3036
echo "libschroedinger enabled   ${libschroedinger-no}"
3037
echo "libspeex enabled          ${libspeex-no}"
3038
echo "libtheora enabled         ${libtheora-no}"
3039
echo "libvorbis enabled         ${libvorbis-no}"
3040
echo "libvpx enabled            ${libvpx-no}"
3041
echo "libx264 enabled           ${libx264-no}"
3042
echo "libxavs enabled           ${libxavs-no}"
3043
echo "libxvid enabled           ${libxvid-no}"
3044
echo "zlib enabled              ${zlib-no}"
3045
echo "bzlib enabled             ${bzlib-no}"
3046
echo
3047

    
3048
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3049
    echo "Enabled ${type}s:"
3050
    eval list=\$$(toupper $type)_LIST
3051
    print_enabled '_*' $list | sort | pr -3 -t
3052
    echo
3053
done
3054

    
3055
license="LGPL version 2.1 or later"
3056
if enabled nonfree; then
3057
    license="nonfree and unredistributable"
3058
elif enabled gplv3; then
3059
    license="GPL version 3 or later"
3060
elif enabled lgplv3; then
3061
    license="LGPL version 3 or later"
3062
elif enabled gpl; then
3063
    license="GPL version 2 or later"
3064
fi
3065

    
3066
echo "License: $license"
3067

    
3068
echo "Creating config.mak and config.h..."
3069

    
3070
# build tree in object directory if source path is different from current one
3071
if enabled source_path_used; then
3072
    DIRS="
3073
        doc
3074
        libavcodec
3075
        libavcodec/$arch
3076
        libavcore
3077
        libavdevice
3078
        libavfilter
3079
        libavfilter/$arch
3080
        libavformat
3081
        libavutil
3082
        libavutil/$arch
3083
        libpostproc
3084
        libswscale
3085
        libswscale/$arch
3086
        tests
3087
        tools
3088
    "
3089
    FILES="
3090
        Makefile
3091
        common.mak
3092
        subdir.mak
3093
        doc/texi2pod.pl
3094
        libavcodec/Makefile
3095
        libavcodec/${arch}/Makefile
3096
        libavcore/Makefile
3097
        libavdevice/Makefile
3098
        libavfilter/Makefile
3099
        libavformat/Makefile
3100
        libavutil/Makefile
3101
        libpostproc/Makefile
3102
        libswscale/Makefile
3103
    "
3104
    map 'mkdir -p $v' $DIRS;
3105
    map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3106
fi
3107

    
3108
enabled stripping || strip="echo skipping strip"
3109

    
3110
config_files="$TMPH config.mak"
3111

    
3112
cat > config.mak <<EOF
3113
# Automatically generated by configure - do not modify!
3114
ifndef FFMPEG_CONFIG_MAK
3115
FFMPEG_CONFIG_MAK=1
3116
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3117
prefix=$prefix
3118
LIBDIR=\$(DESTDIR)$libdir
3119
SHLIBDIR=\$(DESTDIR)$shlibdir
3120
INCDIR=\$(DESTDIR)$incdir
3121
BINDIR=\$(DESTDIR)$bindir
3122
DATADIR=\$(DESTDIR)$datadir
3123
MANDIR=\$(DESTDIR)$mandir
3124
SRC_PATH="$source_path"
3125
SRC_PATH_BARE=$source_path
3126
BUILD_ROOT="$PWD"
3127
CC_IDENT=$cc_ident
3128
ARCH=$arch
3129
CC=$cc
3130
AS=$as
3131
LD=$ld
3132
DEPCC=$dep_cc
3133
YASM=$yasmexe
3134
YASMDEP=$yasmexe
3135
AR=$ar
3136
RANLIB=$ranlib
3137
CP=cp -p
3138
LN_S=$ln_s
3139
STRIP=$strip
3140
CPPFLAGS=$CPPFLAGS
3141
CFLAGS=$CFLAGS
3142
ASFLAGS=$ASFLAGS
3143
CC_O=$CC_O
3144
LDFLAGS=$LDFLAGS
3145
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3146
SHFLAGS=$SHFLAGS
3147
YASMFLAGS=$YASMFLAGS
3148
BUILDSUF=$build_suffix
3149
FULLNAME=$FULLNAME
3150
LIBPREF=$LIBPREF
3151
LIBSUF=$LIBSUF
3152
LIBNAME=$LIBNAME
3153
SLIBPREF=$SLIBPREF
3154
SLIBSUF=$SLIBSUF
3155
EXESUF=$EXESUF
3156
EXTRA_VERSION=$extra_version
3157
DEPFLAGS=$DEPFLAGS
3158
CCDEP=$CCDEP
3159
ASDEP=$ASDEP
3160
CC_DEPFLAGS=$CC_DEPFLAGS
3161
AS_DEPFLAGS=$AS_DEPFLAGS
3162
HOSTCC=$host_cc
3163
HOSTCFLAGS=$host_cflags
3164
HOSTEXESUF=$HOSTEXESUF
3165
HOSTLDFLAGS=$host_ldflags
3166
HOSTLIBS=$host_libs
3167
TARGET_EXEC=$target_exec
3168
TARGET_PATH=$target_path
3169
SDL_LIBS=$sdl_libs
3170
SDL_CFLAGS=$sdl_cflags
3171
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3172
EXTRALIBS=$extralibs
3173
INSTALL=install
3174
LIBTARGET=${LIBTARGET}
3175
SLIBNAME=${SLIBNAME}
3176
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3177
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3178
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3179
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3180
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3181
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3182
SAMPLES=$samples
3183
EOF
3184

    
3185
get_version(){
3186
    name=$1
3187
    file=$source_path/$2
3188
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3189
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3190
    lcname=$(tolower $name)
3191
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3192
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3193
}
3194

    
3195
get_version LIBSWSCALE  libswscale/swscale.h
3196
get_version LIBPOSTPROC libpostproc/postprocess.h
3197
get_version LIBAVCODEC  libavcodec/avcodec.h
3198
get_version LIBAVCORE   libavcore/avcore.h
3199
get_version LIBAVDEVICE libavdevice/avdevice.h
3200
get_version LIBAVFORMAT libavformat/avformat.h
3201
get_version LIBAVUTIL   libavutil/avutil.h
3202
get_version LIBAVFILTER libavfilter/avfilter.h
3203

    
3204
cat > $TMPH <<EOF
3205
/* Automatically generated by configure - do not modify! */
3206
#ifndef FFMPEG_CONFIG_H
3207
#define FFMPEG_CONFIG_H
3208
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3209
#define FFMPEG_LICENSE "$(c_escape $license)"
3210
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3211
#define CC_TYPE "$cc_type"
3212
#define CC_VERSION $cc_version
3213
#define restrict $_restrict
3214
#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3215
#define EXTERN_PREFIX "${extern_prefix}"
3216
#define EXTERN_ASM ${extern_prefix}
3217
EOF
3218

    
3219
test -n "$malloc_prefix" &&
3220
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3221

    
3222
if enabled small || disabled optimizations; then
3223
    echo "#undef  av_always_inline"  >> $TMPH
3224
    echo "#define av_always_inline"  >> $TMPH
3225
fi
3226

    
3227
if enabled yasm; then
3228
    append config_files $TMPASM
3229
    printf '' >$TMPASM
3230
fi
3231

    
3232
print_config ARCH_   "$config_files" $ARCH_LIST
3233
print_config HAVE_   "$config_files" $HAVE_LIST
3234
print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3235
                                     $CONFIG_EXTRA      \
3236
                                     $DECODER_LIST      \
3237
                                     $ENCODER_LIST      \
3238
                                     $HWACCEL_LIST      \
3239
                                     $PARSER_LIST       \
3240
                                     $BSF_LIST          \
3241
                                     $DEMUXER_LIST      \
3242
                                     $MUXER_LIST        \
3243
                                     $FILTER_LIST       \
3244
                                     $PROTOCOL_LIST     \
3245
                                     $INDEV_LIST        \
3246
                                     $OUTDEV_LIST       \
3247

    
3248
cat >>config.mak <<EOF
3249
ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3250
VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3251
LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3252
LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3253
SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3254
EOF
3255

    
3256
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3257
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3258

    
3259
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3260
cp_if_changed $TMPH config.h
3261
touch .config
3262

    
3263
enabled yasm && cp_if_changed $TMPASM config.asm
3264

    
3265
cat > $TMPH <<EOF
3266
/* Generated by ffconf */
3267
#ifndef AVUTIL_AVCONFIG_H
3268
#define AVUTIL_AVCONFIG_H
3269
EOF
3270

    
3271
print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3272

    
3273
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3274

    
3275
cp_if_changed $TMPH libavutil/avconfig.h
3276

    
3277
test -n "$WARNINGS" && printf "\n$WARNINGS"
3278

    
3279
# build pkg-config files
3280

    
3281
pkgconfig_generate(){
3282
name=$1
3283
shortname=${name#lib}${build_suffix}
3284
comment=$2
3285
version=$3
3286
libs=$4
3287
requires=$5
3288
enabled ${name#lib} || return 0
3289
cat <<EOF > $name/$name.pc
3290
prefix=$prefix
3291
exec_prefix=\${prefix}
3292
libdir=$libdir
3293
includedir=$incdir
3294

    
3295
Name: $name
3296
Description: $comment
3297
Version: $version
3298
Requires: $(enabled shared || echo $requires)
3299
Requires.private: $(enabled shared && echo $requires)
3300
Conflicts:
3301
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3302
Libs.private: $(enabled shared && echo $libs)
3303
Cflags: -I\${includedir}
3304
EOF
3305
cat <<EOF > $name/$name-uninstalled.pc
3306
prefix=
3307
exec_prefix=
3308
libdir=\${pcfiledir}
3309
includedir=${source_path}
3310

    
3311
Name: $name
3312
Description: $comment
3313
Version: $version
3314
Requires: $requires
3315
Conflicts:
3316
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3317
Cflags: -I\${includedir}
3318
EOF
3319
}
3320

    
3321
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3322
pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3323
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3324
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3325
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3326
pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3327
pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3328
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"