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

    
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# Prevent locale nonsense from breaking basic text processing.
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LC_ALL=C
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export LC_ALL
13

    
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# make sure we are running under a compatible shell
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# try to make this part work with most shells
16

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

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

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

    
74
Configuration options:
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  --disable-static         do not build static libraries [no]
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  --enable-shared          build shared libraries [no]
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  --enable-gpl             allow use of GPL code, the resulting libs
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                           and binaries will be under GPL [no]
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  --enable-version3        upgrade (L)GPL to version 3 [no]
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  --enable-nonfree         allow use of nonfree code, the resulting libs
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                           and binaries will be unredistributable [no]
82
  --disable-doc            do not build documentation
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  --disable-ffmpeg         disable ffmpeg build
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  --disable-ffplay         disable ffplay build
85
  --disable-ffserver       disable ffserver build
86
  --enable-postproc        enable GPLed postprocessing support [no]
87
  --enable-avfilter        video filter support [no]
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  --enable-avfilter-lavf   video filters dependent on avformat [no]
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  --enable-beosthreads     use BeOS threads [no]
90
  --enable-os2threads      use OS/2 threads [no]
91
  --enable-pthreads        use pthreads [no]
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  --enable-w32threads      use Win32 threads [no]
93
  --enable-x11grab         enable X11 grabbing [no]
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  --disable-network        disable network support [no]
95
  --disable-ipv6           disable IPv6 support [no]
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  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
97
  --enable-gray            enable full grayscale support (slower color)
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  --disable-swscale-alpha  disable alpha channel support in swscale
99
  --disable-fastdiv        disable table-based division
100
  --enable-small           optimize for size instead of speed
101
  --disable-aandct         disable AAN DCT code
102
  --disable-fft            disable FFT code
103
  --disable-golomb         disable Golomb code
104
  --disable-lpc            disable LPC code
105
  --disable-mdct           disable MDCT code
106
  --disable-rdft           disable RDFT code
107
  --disable-vaapi          disable VAAPI code
108
  --disable-vdpau          disable VDPAU code
109
  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
110
  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
111
  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
112
  --enable-beos-netserver  enable BeOS netserver
113
  --disable-encoder=NAME   disable encoder NAME
114
  --enable-encoder=NAME    enable encoder NAME
115
  --disable-encoders       disable all encoders
116
  --disable-decoder=NAME   disable decoder NAME
117
  --enable-decoder=NAME    enable decoder NAME
118
  --disable-decoders       disable all decoders
119
  --disable-hwaccel=NAME   disable hwaccel NAME
120
  --enable-hwaccel=NAME    enable hwaccel NAME
121
  --disable-hwaccels       disable all hwaccels
122
  --disable-muxer=NAME     disable muxer NAME
123
  --enable-muxer=NAME      enable muxer NAME
124
  --disable-muxers         disable all muxers
125
  --disable-demuxer=NAME   disable demuxer NAME
126
  --enable-demuxer=NAME    enable demuxer NAME
127
  --disable-demuxers       disable all demuxers
128
  --enable-parser=NAME     enable parser NAME
129
  --disable-parser=NAME    disable parser NAME
130
  --disable-parsers        disable all parsers
131
  --enable-bsf=NAME        enable bitstream filter NAME
132
  --disable-bsf=NAME       disable bitstream filter NAME
133
  --disable-bsfs           disable all bitstream filters
134
  --enable-protocol=NAME   enable protocol NAME
135
  --disable-protocol=NAME  disable protocol NAME
136
  --disable-protocols      disable all protocols
137
  --disable-indev=NAME     disable input device NAME
138
  --disable-outdev=NAME    disable output device NAME
139
  --disable-indevs         disable input devices
140
  --disable-outdevs        disable output devices
141
  --disable-devices        disable all devices
142
  --enable-filter=NAME     enable filter NAME
143
  --disable-filter=NAME    disable filter NAME
144
  --disable-filters        disable all filters
145
  --list-decoders          show all available decoders
146
  --list-encoders          show all available encoders
147
  --list-hwaccels          show all available hardware accelerators
148
  --list-muxers            show all available muxers
149
  --list-demuxers          show all available demuxers
150
  --list-parsers           show all available parsers
151
  --list-protocols         show all available protocols
152
  --list-bsfs              show all available bitstream filters
153
  --list-indevs            show all available input devices
154
  --list-outdevs           show all available output devices
155
  --list-filters           show all available filters
156

    
157
External library support:
158
  --enable-avisynth        enable reading of AVISynth script files [no]
159
  --enable-bzlib           enable bzlib [autodetect]
160
  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
161
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
162
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
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                           and libraw1394 [no]
164
  --enable-libdirac        enable Dirac support via libdirac [no]
165
  --enable-libfaac         enable FAAC support via libfaac [no]
166
  --enable-libfaad         enable FAAD support via libfaad [no]
167
  --enable-libfaadbin      open libfaad.so.0 at runtime [no]
168
  --enable-libgsm          enable GSM support via libgsm [no]
169
  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
170
  --enable-libnut          enable NUT (de)muxing via libnut,
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                           native (de)muxer exists [no]
172
  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
173
  --enable-libschroedinger enable Dirac support via libschroedinger [no]
174
  --enable-libspeex        enable Speex decoding via libspeex [no]
175
  --enable-libtheora       enable Theora encoding via libtheora [no]
176
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
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                           native implementation exists [no]
178
  --enable-libx264         enable H.264 encoding via x264 [no]
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  --enable-libxvid         enable Xvid encoding via xvidcore,
180
                           native MPEG-4/Xvid encoder exists [no]
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  --enable-mlib            enable Sun medialib [no]
182
  --enable-zlib            enable zlib [autodetect]
183

    
184
Advanced options (experts only):
185
  --source-path=PATH       path to source code [$source_path]
186
  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
187
  --enable-cross-compile   assume a cross-compiler is used
188
  --sysroot=PATH           root of cross-build tree
189
  --sysinclude=PATH        location of cross-build system headers
190
  --target-os=OS           compiler targets OS [$target_os]
191
  --target-exec=CMD        command to run executables on target
192
  --target-path=DIR        path to view of build directory on target
193
  --nm=NM                  use nm tool
194
  --as=AS                  use assembler AS [$as_default]
195
  --cc=CC                  use C compiler CC [$cc_default]
196
  --ld=LD                  use linker LD
197
  --host-cc=HOSTCC         use host C compiler HOSTCC
198
  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
199
  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
200
  --host-libs=HLIBS        use libs HLIBS when linking for host
201
  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
202
  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
203
  --extra-libs=ELIBS       add ELIBS [$ELIBS]
204
  --extra-version=STRING   version string suffix []
205
  --build-suffix=SUFFIX    library name suffix []
206
  --arch=ARCH              select architecture [$arch]
207
  --cpu=CPU                select the minimum required CPU (affects
208
                           instruction selection, may crash on older CPUs)
209
  --enable-powerpc-perf    enable performance report on PPC
210
                           (requires enabling PMC)
211
  --disable-altivec        disable AltiVec optimizations
212
  --disable-amd3dnow       disable 3DNow! optimizations
213
  --disable-amd3dnowext    disable 3DNow! extended optimizations
214
  --disable-mmx            disable MMX optimizations
215
  --disable-mmx2           disable MMX2 optimizations
216
  --disable-sse            disable SSE optimizations
217
  --disable-ssse3          disable SSSE3 optimizations
218
  --disable-armv5te        disable armv5te optimizations
219
  --disable-armv6          disable armv6 optimizations
220
  --disable-armv6t2        disable armv6t2 optimizations
221
  --disable-armvfp         disable ARM VFP optimizations
222
  --disable-iwmmxt         disable iwmmxt optimizations
223
  --disable-mmi            disable MMI optimizations
224
  --disable-neon           disable neon optimizations
225
  --disable-vis            disable VIS optimizations
226
  --disable-yasm           disable use of yasm assembler
227
  --enable-pic             build position-independent code
228

    
229
Developer options (useful when working on FFmpeg itself):
230
  --disable-debug          disable debugging symbols
231
  --enable-debug=LEVEL     set the debug level [$debuglevel]
232
  --enable-gprof           enable profiling with gprof [$gprof]
233
  --disable-optimizations  disable compiler optimizations
234
  --enable-extra-warnings  enable more compiler warnings
235
  --disable-stripping      disable stripping of executables and shared libraries
236

    
237
NOTE: Object files are built at the place where configure is launched.
238
EOF
239
  exit 0
240
}
241

    
242
log(){
243
    echo "$@" >> $logfile
244
}
245

    
246
log_file(){
247
    log BEGIN $1
248
    pr -n -t $1 >> $logfile
249
    log END $1
250
}
251

    
252
echolog(){
253
    log "$@"
254
    echo "$@"
255
}
256

    
257
die(){
258
    echolog "$@"
259
    cat <<EOF
260

    
261
If you think configure made a mistake, make sure you are using the latest
262
version from SVN.  If the latest version fails, report the problem to the
263
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
264
EOF
265
    if disabled logging; then
266
        cat <<EOF
267
Rerun configure with logging enabled (do not use --disable-logging), and
268
include the log this produces with your report.
269
EOF
270
    else
271
cat <<EOF
272
Include the log file "$logfile" produced by configure as this will help
273
solving the problem.
274
EOF
275
    fi
276
    exit 1
277
}
278

    
279
# Avoid locale weirdness, besides we really just want to translate ASCII.
280
toupper(){
281
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
282
}
283

    
284
tolower(){
285
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
286
}
287

    
288
c_escape(){
289
    echo "$*" | sed 's/["\\]/\\\0/g'
290
}
291

    
292
sh_quote(){
293
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
294
    test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
295
    echo "$v"
296
}
297

    
298
filter(){
299
    pat=$1
300
    shift
301
    for v; do
302
        eval "case $v in $pat) echo $v ;; esac"
303
    done
304
}
305

    
306
set_all(){
307
    value=$1
308
    shift
309
    for var in $*; do
310
        eval $var=$value
311
    done
312
}
313

    
314
set_weak(){
315
    value=$1
316
    shift
317
    for var; do
318
        eval : \${$var:=$value}
319
    done
320
}
321

    
322
pushvar(){
323
    for var in $*; do
324
        eval level=\${${var}_level:=0}
325
        eval ${var}_${level}="\$$var"
326
        eval ${var}_level=$(($level+1))
327
    done
328
}
329

    
330
popvar(){
331
    for var in $*; do
332
        eval level=\${${var}_level:-0}
333
        test $level = 0 && continue
334
        eval level=$(($level-1))
335
        eval $var="\${${var}_${level}}"
336
        eval ${var}_level=$level
337
        eval unset ${var}_${level}
338
    done
339
}
340

    
341
enable(){
342
    set_all yes $*
343
}
344

    
345
disable(){
346
    set_all no $*
347
}
348

    
349
enable_weak(){
350
    set_weak yes $*
351
}
352

    
353
disable_weak(){
354
    set_weak no $*
355
}
356

    
357
enable_safe(){
358
    enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
359
}
360

    
361
disable_safe(){
362
    disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
363
}
364

    
365
do_enable_deep(){
366
    for var; do
367
        enabled $var && continue
368
        eval sel="\$${var}_select"
369
        eval sgs="\$${var}_suggest"
370
        pushvar var sgs
371
        enable_deep $sel
372
        popvar sgs
373
        enable_deep_weak $sgs
374
        popvar var
375
    done
376
}
377

    
378
enable_deep(){
379
    do_enable_deep $*
380
    enable $*
381
}
382

    
383
enable_deep_weak(){
384
    do_enable_deep $*
385
    enable_weak $*
386
}
387

    
388
enabled(){
389
    test "${1#!}" = "$1" && op== || op=!=
390
    eval test "x\$${1#!}" $op "xyes"
391
}
392

    
393
disabled(){
394
    test "${1#!}" = "$1" && op== || op=!=
395
    eval test "x\$${1#!}" $op "xno"
396
}
397

    
398
enabled_all(){
399
    for opt; do
400
        enabled $opt || return 1
401
    done
402
}
403

    
404
disabled_all(){
405
    for opt; do
406
        disabled $opt || return 1
407
    done
408
}
409

    
410
enabled_any(){
411
    for opt; do
412
        enabled $opt && return 0
413
    done
414
}
415

    
416
disabled_any(){
417
    for opt; do
418
        disabled $opt && return 0
419
    done
420
    return 1
421
}
422

    
423
set_default(){
424
    for opt; do
425
        eval : \${$opt:=\$${opt}_default}
426
    done
427
}
428

    
429
is_in(){
430
    value=$1
431
    shift
432
    for var in $*; do
433
        [ $var = $value ] && return 0
434
    done
435
    return 1
436
}
437

    
438
check_deps(){
439
    for cfg; do
440
        cfg="${cfg#!}"
441
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
442
        disabled ${cfg}_checking && continue
443
        enable ${cfg}_checking
444

    
445
        eval dep_all="\$${cfg}_deps"
446
        eval dep_any="\$${cfg}_deps_any"
447
        eval dep_sel="\$${cfg}_select"
448
        eval dep_sgs="\$${cfg}_suggest"
449

    
450
        pushvar cfg dep_all dep_any dep_sel dep_sgs
451
        check_deps $dep_all $dep_any $dep_sel $dep_sgs
452
        popvar cfg dep_all dep_any dep_sel dep_sgs
453

    
454
        enabled_all  $dep_all || disable $cfg
455
        enabled_any  $dep_any || disable $cfg
456
        disabled_any $dep_sel && disable $cfg
457

    
458
        if enabled $cfg; then
459
            eval dep_extralibs="\$${cfg}_extralibs"
460
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
461
            enable_deep $dep_sel
462
            enable_deep_weak $dep_sgs
463
        fi
464

    
465
        disable ${cfg}_checking
466
    done
467
}
468

    
469
print_config(){
470
    pfx=$1
471
    header=$2
472
    makefile=$3
473
    shift 3
474
    for cfg; do
475
        ucname="$(toupper $cfg)"
476
        if enabled $cfg; then
477
            echo "#define ${pfx}${ucname} 1" >> $header
478
            echo "${pfx}${ucname}=yes" >> $makefile
479
        else
480
            echo "#define ${pfx}${ucname} 0" >> $header
481
        fi
482
    done
483
}
484

    
485
flags_saved(){
486
    (: ${SAVE_CFLAGS?}) 2> /dev/null
487
}
488

    
489
save_flags(){
490
    flags_saved && return
491
    SAVE_CFLAGS="$CFLAGS"
492
    SAVE_LDFLAGS="$LDFLAGS"
493
    SAVE_extralibs="$extralibs"
494
}
495

    
496
restore_flags(){
497
    flags_saved || return
498
    CFLAGS="$SAVE_CFLAGS"
499
    LDFLAGS="$SAVE_LDFLAGS"
500
    extralibs="$SAVE_extralibs"
501
    unset SAVE_CFLAGS
502
    unset SAVE_LDFLAGS
503
    unset SAVE_extralibs
504
}
505

    
506
temp_cflags(){
507
    save_flags
508
    CFLAGS="$CFLAGS $*"
509
}
510

    
511
temp_ldflags(){
512
    save_flags
513
    LDFLAGS="$LDFLAGS $*"
514
}
515

    
516
temp_extralibs(){
517
    save_flags
518
    extralibs="$extralibs $*"
519
}
520

    
521
append(){
522
    var=$1
523
    shift
524
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
525
    eval "$var=\"\$$var $*\""
526
}
527

    
528
add_cppflags(){
529
    append CPPFLAGS $($filter_cppflags "$@")
530
}
531

    
532
add_cflags(){
533
    append CFLAGS $($filter_cflags "$@")
534
}
535

    
536
add_asflags(){
537
    append ASFLAGS $($filter_asflags "$@")
538
}
539

    
540
add_ldflags(){
541
    append LDFLAGS "$@"
542
}
543

    
544
add_extralibs(){
545
    append extralibs "$@"
546
}
547

    
548
check_cmd(){
549
    log "$@"
550
    "$@" >> $logfile 2>&1
551
}
552

    
553
check_cc(){
554
    log check_cc "$@"
555
    cat > $TMPC
556
    log_file $TMPC
557
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
558
}
559

    
560
check_cpp(){
561
    log check_cpp "$@"
562
    cat > $TMPC
563
    log_file $TMPC
564
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
565
}
566

    
567
check_as(){
568
    log check_as "$@"
569
    cat > $TMPC
570
    log_file $TMPC
571
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
572
}
573

    
574
check_asm(){
575
    log check_asm "$@"
576
    name="$1"
577
    asm="$2"
578
    shift 2
579
    disable $name
580
    check_as "$@" <<EOF && enable $name
581
void foo(void){ __asm__ volatile($asm); }
582
EOF
583
}
584

    
585
check_yasm(){
586
    log check_yasm "$@"
587
    echo "$1" > $TMPS
588
    log_file $TMPS
589
    shift 1
590
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
591
}
592

    
593
check_ld(){
594
    log check_ld "$@"
595
    check_cc || return
596
    flags=''
597
    libs=''
598
    for f; do
599
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
600
    done
601
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
602
}
603

    
604
check_cppflags(){
605
    log check_cppflags "$@"
606
    set -- $($filter_cppflags "$@")
607
    check_cc "$@" <<EOF && append CPPFLAGS "$@"
608
int x;
609
EOF
610
}
611

    
612
check_cflags(){
613
    log check_cflags "$@"
614
    set -- $($filter_cflags "$@")
615
    check_cc "$@" <<EOF && append CFLAGS "$@"
616
int x;
617
EOF
618
}
619

    
620
check_ldflags(){
621
    log check_ldflags "$@"
622
    check_ld "$@" <<EOF && add_ldflags "$@"
623
int main(void){ return 0; }
624
EOF
625
}
626

    
627
check_header(){
628
    log check_header "$@"
629
    header=$1
630
    shift
631
    disable_safe $header
632
    check_cpp "$@" <<EOF && enable_safe $header
633
#include <$header>
634
int x;
635
EOF
636
}
637

    
638
check_func(){
639
    log check_func "$@"
640
    func=$1
641
    shift
642
    disable $func
643
    check_ld "$@" <<EOF && enable $func
644
extern int $func();
645
int main(void){ $func(); }
646
EOF
647
}
648

    
649
check_func_headers(){
650
    log check_func_headers "$@"
651
    headers=$1
652
    func=$2
653
    shift 2
654
    disable $func
655
    incs=""
656
    for hdr in $headers; do
657
        incs="$incs
658
#include <$hdr>"
659
    done
660
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
661
$incs
662
int main(int argc, char **argv){
663
    return (long) $func;
664
}
665
EOF
666
}
667

    
668
check_cpp_condition(){
669
    log check_cpp_condition "$@"
670
    header=$1
671
    condition=$2
672
    check_cpp <<EOF
673
#include <$header>
674
#if !($condition)
675
#error "unsatisfied condition: $condition"
676
#endif
677
EOF
678
}
679

    
680
check_lib(){
681
    log check_lib "$@"
682
    header="$1"
683
    func="$2"
684
    shift 2
685
    temp_extralibs "$@"
686
    check_header $header && check_func $func && add_extralibs "$@"
687
    err=$?
688
    restore_flags
689
    return $err
690
}
691

    
692
check_lib2(){
693
    log check_lib2 "$@"
694
    headers="$1"
695
    func="$2"
696
    shift 2
697
    temp_extralibs "$@"
698
    check_func_headers "$headers" $func && add_extralibs "$@"
699
    err=$?
700
    restore_flags
701
    return $err
702
}
703

    
704
check_exec(){
705
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
706
}
707

    
708
check_exec_crash(){
709
    code=$(cat)
710

    
711
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
712
    # are safe but may not be available everywhere.  Thus we use
713
    # raise(SIGTERM) instead.  The check is run in a subshell so we
714
    # can redirect the "Terminated" message from the shell.  SIGBUS
715
    # is not defined by standard C so it is used conditionally.
716

    
717
    (check_exec "$@") >> $logfile 2>&1 <<EOF
718
#include <signal.h>
719
static void sighandler(int sig){
720
    raise(SIGTERM);
721
}
722
int main(void){
723
    signal(SIGILL, sighandler);
724
    signal(SIGFPE, sighandler);
725
    signal(SIGSEGV, sighandler);
726
#ifdef SIGBUS
727
    signal(SIGBUS, sighandler);
728
#endif
729
    { $code }
730
}
731
EOF
732
}
733

    
734
check_type(){
735
    log check_type "$@"
736
    headers=$1
737
    type=$2
738
    shift 2
739
    disable $type
740
    incs=""
741
    for hdr in $headers; do
742
        incs="$incs
743
#include <$hdr>"
744
    done
745
    check_cc "$@" <<EOF && enable $type
746
$incs
747
$type v;
748
EOF
749
}
750

    
751
require(){
752
    name="$1"
753
    header="$2"
754
    func="$3"
755
    shift 3
756
    check_lib $header $func "$@" || die "ERROR: $name not found"
757
}
758

    
759
require2(){
760
    name="$1"
761
    headers="$2"
762
    func="$3"
763
    shift 3
764
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
765
}
766

    
767
check_foo_config(){
768
    cfg=$1
769
    pkg=$2
770
    header=$3
771
    func=$4
772
    shift 4
773
    disable $cfg
774
    check_cmd ${pkg}-config --version
775
    err=$?
776
    if test "$err" = 0; then
777
        temp_cflags $(${pkg}-config --cflags)
778
        temp_extralibs $(${pkg}-config --libs)
779
        check_lib "$@" $header $func && enable $cfg
780
    fi
781
    return $err
782
}
783

    
784
check_host_cc(){
785
    log check_host_cc "$@"
786
    cat > $TMPC
787
    log_file $TMPC
788
    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
789
}
790

    
791
check_host_cflags(){
792
    log check_host_cflags "$@"
793
    check_host_cc "$@" <<EOF && append host_cflags "$@"
794
int x;
795
EOF
796
}
797

    
798
apply(){
799
    file=$1
800
    shift
801
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
802
}
803

    
804
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
805
# system-dependent things.
806

    
807
COMPONENT_LIST="
808
    bsfs
809
    decoders
810
    demuxers
811
    encoders
812
    filters
813
    hwaccels
814
    indevs
815
    muxers
816
    outdevs
817
    parsers
818
    protocols
819
"
820

    
821
CONFIG_LIST="
822
    $COMPONENT_LIST
823
    aandct
824
    avfilter
825
    avfilter_lavf
826
    avisynth
827
    beos_netserver
828
    bzlib
829
    doc
830
    fastdiv
831
    ffmpeg
832
    ffplay
833
    ffserver
834
    fft
835
    golomb
836
    gpl
837
    gprof
838
    gray
839
    hardcoded_tables
840
    ipv6
841
    libdc1394
842
    libdirac
843
    libfaac
844
    libfaad
845
    libfaadbin
846
    libgsm
847
    libmp3lame
848
    libnut
849
    libopencore_amrnb
850
    libopencore_amrwb
851
    libopenjpeg
852
    libschroedinger
853
    libspeex
854
    libtheora
855
    libvorbis
856
    libx264
857
    libxvid
858
    lpc
859
    mdct
860
    memalign_hack
861
    mlib
862
    mpegaudio_hp
863
    network
864
    nonfree
865
    pic
866
    postproc
867
    powerpc_perf
868
    rdft
869
    runtime_cpudetect
870
    shared
871
    small
872
    static
873
    swscale_alpha
874
    vaapi
875
    vdpau
876
    version3
877
    x11grab
878
    zlib
879
"
880

    
881
THREADS_LIST='
882
    beosthreads
883
    os2threads
884
    pthreads
885
    w32threads
886
'
887

    
888
ARCH_LIST='
889
    alpha
890
    arm
891
    avr32
892
    avr32_ap
893
    avr32_uc
894
    bfin
895
    ia64
896
    m68k
897
    mips
898
    mips64
899
    parisc
900
    ppc
901
    ppc64
902
    s390
903
    sh4
904
    sparc
905
    sparc64
906
    x86
907
    x86_32
908
    x86_64
909
'
910

    
911
ARCH_EXT_LIST='
912
    altivec
913
    amd3dnow
914
    amd3dnowext
915
    armv5te
916
    armv6
917
    armv6t2
918
    armvfp
919
    iwmmxt
920
    mmi
921
    mmx
922
    mmx2
923
    neon
924
    ppc4xx
925
    sse
926
    ssse3
927
    vis
928
'
929

    
930
HAVE_LIST="
931
    $ARCH_EXT_LIST
932
    $THREADS_LIST
933
    alsa_asoundlib_h
934
    altivec_h
935
    arpa_inet_h
936
    attribute_packed
937
    bigendian
938
    bswap
939
    closesocket
940
    cmov
941
    conio_h
942
    dcbzl
943
    dev_bktr_ioctl_bt848_h
944
    dev_bktr_ioctl_meteor_h
945
    dev_ic_bt8xx_h
946
    dev_video_meteor_ioctl_meteor_h
947
    dev_video_bktr_ioctl_bt848_h
948
    dlfcn_h
949
    dlopen
950
    dos_paths
951
    ebp_available
952
    ebx_available
953
    fast_64bit
954
    fast_cmov
955
    fast_unaligned
956
    fork
957
    gethrtime
958
    GetProcessTimes
959
    getrusage
960
    inet_aton
961
    inline_asm
962
    isatty
963
    ldbrx
964
    libdc1394_1
965
    libdc1394_2
966
    llrint
967
    log2
968
    loongson
969
    lrint
970
    lrintf
971
    lzo1x_999_compress
972
    machine_ioctl_bt848_h
973
    machine_ioctl_meteor_h
974
    malloc_h
975
    memalign
976
    mkstemp
977
    pld
978
    posix_memalign
979
    round
980
    roundf
981
    sdl
982
    sdl_video_size
983
    setmode
984
    socklen_t
985
    soundcard_h
986
    poll_h
987
    sys_mman_h
988
    sys_resource_h
989
    sys_select_h
990
    sys_soundcard_h
991
    sys_videoio_h
992
    ten_operands
993
    termios_h
994
    threads
995
    truncf
996
    vfp_args
997
    VirtualAlloc
998
    winsock2_h
999
    xform_asm
1000
    yasm
1001
"
1002

    
1003
# options emitted with CONFIG_ prefix but not available on command line
1004
CONFIG_EXTRA="
1005
    gplv3
1006
    lgplv3
1007
"
1008

    
1009
CMDLINE_SELECT="
1010
    $ARCH_EXT_LIST
1011
    $CONFIG_LIST
1012
    $THREADS_LIST
1013
    cross_compile
1014
    debug
1015
    extra_warnings
1016
    logging
1017
    optimizations
1018
    stripping
1019
    yasm
1020
"
1021

    
1022
PATHS_LIST='
1023
    bindir
1024
    datadir
1025
    incdir
1026
    libdir
1027
    mandir
1028
    prefix
1029
    shlibdir
1030
'
1031

    
1032
CMDLINE_SET="
1033
    $PATHS_LIST
1034
    arch
1035
    as
1036
    build_suffix
1037
    cc
1038
    cpu
1039
    cross_prefix
1040
    dep_cc
1041
    extra_version
1042
    host_cc
1043
    host_cflags
1044
    host_ldflags
1045
    host_libs
1046
    host_os
1047
    ld
1048
    logfile
1049
    nm
1050
    source_path
1051
    sysinclude
1052
    sysroot
1053
    target_exec
1054
    target_os
1055
    target_path
1056
"
1057

    
1058
CMDLINE_APPEND="
1059
    extra_cflags
1060
"
1061

    
1062
# code dependency declarations
1063

    
1064
# architecture extensions
1065
altivec_deps="ppc"
1066
amd3dnow_deps="mmx"
1067
amd3dnowext_deps="amd3dnow"
1068
armv5te_deps="arm"
1069
armv6_deps="arm"
1070
armv6t2_deps="arm"
1071
armvfp_deps="arm"
1072
iwmmxt_deps="arm"
1073
mmi_deps="mips"
1074
mmx_deps="x86"
1075
mmx2_deps="mmx"
1076
neon_deps="arm"
1077
ppc4xx_deps="ppc"
1078
sse_deps="mmx"
1079
ssse3_deps="sse"
1080
vis_deps="sparc"
1081

    
1082
need_memalign="altivec neon sse"
1083
inline_asm_deps="!tms470"
1084

    
1085
# decoders / encoders / hardware accelerators
1086
aac_decoder_select="fft mdct"
1087
aac_encoder_select="fft mdct"
1088
ac3_decoder_select="fft mdct"
1089
alac_encoder_select="lpc"
1090
atrac3_decoder_select="fft mdct"
1091
cavs_decoder_select="golomb"
1092
cook_decoder_select="fft mdct"
1093
cscd_decoder_suggest="zlib"
1094
dca_decoder_select="fft mdct"
1095
dnxhd_encoder_select="aandct"
1096
dxa_decoder_select="zlib"
1097
eac3_decoder_select="ac3_decoder"
1098
eamad_decoder_select="aandct"
1099
eatgq_decoder_select="aandct"
1100
eatqi_decoder_select="aandct"
1101
ffv1_decoder_select="golomb"
1102
flac_decoder_select="golomb"
1103
flac_encoder_select="golomb lpc"
1104
flashsv_decoder_select="zlib"
1105
flashsv_encoder_select="zlib"
1106
flv_encoder_select="h263_encoder"
1107
h261_encoder_select="aandct"
1108
h263_encoder_select="aandct"
1109
h263_vaapi_hwaccel_deps="va_va_h"
1110
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1111
h263p_encoder_select="h263_encoder"
1112
h264_decoder_select="golomb"
1113
h264_vaapi_hwaccel_deps="va_va_h"
1114
h264_vaapi_hwaccel_select="vaapi"
1115
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1116
h264_vdpau_decoder_select="vdpau h264_decoder"
1117
imc_decoder_select="fft mdct"
1118
jpegls_decoder_select="golomb"
1119
jpegls_encoder_select="golomb"
1120
ljpeg_encoder_select="aandct"
1121
loco_decoder_select="golomb"
1122
mjpeg_encoder_select="aandct"
1123
mpeg1video_encoder_select="aandct"
1124
mpeg2video_encoder_select="aandct"
1125
mpeg4_encoder_select="h263_encoder"
1126
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1127
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1128
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1129
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1130
mpeg2_vaapi_hwaccel_deps="va_va_h"
1131
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1132
mpeg4_vaapi_hwaccel_deps="va_va_h"
1133
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1134
mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1135
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1136
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1137
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1138
msmpeg4v1_encoder_select="h263_encoder"
1139
msmpeg4v2_encoder_select="h263_encoder"
1140
msmpeg4v3_encoder_select="h263_encoder"
1141
nellymoser_decoder_select="fft mdct"
1142
nellymoser_encoder_select="fft mdct"
1143
png_decoder_select="zlib"
1144
png_encoder_select="zlib"
1145
qdm2_decoder_select="fft mdct rdft"
1146
rv10_encoder_select="h263_encoder"
1147
rv20_encoder_select="h263_encoder"
1148
rv30_decoder_select="golomb"
1149
rv40_decoder_select="golomb"
1150
shorten_decoder_select="golomb"
1151
sonic_decoder_select="golomb"
1152
sonic_encoder_select="golomb"
1153
sonic_ls_encoder_select="golomb"
1154
svq3_decoder_select="golomb"
1155
svq3_decoder_suggest="zlib"
1156
theora_decoder_select="vp3_decoder"
1157
tiff_decoder_suggest="zlib"
1158
tiff_encoder_suggest="zlib"
1159
tscc_decoder_select="zlib"
1160
vc1_vaapi_hwaccel_deps="va_va_h"
1161
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1162
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1163
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1164
vorbis_decoder_select="fft mdct"
1165
vorbis_encoder_select="fft mdct"
1166
vp6a_decoder_select="vp6_decoder"
1167
vp6f_decoder_select="vp6_decoder"
1168
wmav1_decoder_select="fft mdct"
1169
wmav1_encoder_select="fft mdct"
1170
wmav2_decoder_select="fft mdct"
1171
wmav2_encoder_select="fft mdct"
1172
wmv1_encoder_select="h263_encoder"
1173
wmv2_encoder_select="h263_encoder"
1174
wmv3_decoder_select="vc1_decoder"
1175
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1176
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1177
zlib_decoder_select="zlib"
1178
zlib_encoder_select="zlib"
1179
zmbv_decoder_select="zlib"
1180
zmbv_encoder_select="zlib"
1181

    
1182
# parsers
1183
h264_parser_select="golomb"
1184

    
1185
# external libraries
1186
libdirac_decoder_deps="libdirac !libschroedinger"
1187
libdirac_encoder_deps="libdirac"
1188
libfaac_encoder_deps="libfaac"
1189
libfaad_decoder_deps="libfaad"
1190
libfaadbin_decoder_extralibs='$ldl'
1191
libgsm_decoder_deps="libgsm"
1192
libgsm_encoder_deps="libgsm"
1193
libgsm_ms_decoder_deps="libgsm"
1194
libgsm_ms_encoder_deps="libgsm"
1195
libmp3lame_encoder_deps="libmp3lame"
1196
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1197
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1198
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1199
libopenjpeg_decoder_deps="libopenjpeg"
1200
libschroedinger_decoder_deps="libschroedinger"
1201
libschroedinger_encoder_deps="libschroedinger"
1202
libspeex_decoder_deps="libspeex"
1203
libtheora_encoder_deps="libtheora"
1204
libvorbis_encoder_deps="libvorbis"
1205
libx264_encoder_deps="libx264"
1206
libxvid_encoder_deps="libxvid"
1207

    
1208
# demuxers / muxers
1209
ac3_demuxer_deps="ac3_parser"
1210
asf_stream_muxer_select="asf_muxer"
1211
avisynth_demuxer_deps="avisynth"
1212
dirac_demuxer_deps="dirac_parser"
1213
ipod_muxer_select="mov_muxer"
1214
libnut_demuxer_deps="libnut"
1215
libnut_muxer_deps="libnut"
1216
matroska_audio_muxer_select="matroska_muxer"
1217
matroska_demuxer_suggest="zlib bzlib"
1218
mov_demuxer_suggest="zlib"
1219
mp3_demuxer_deps="mpegaudio_parser"
1220
mp4_muxer_select="mov_muxer"
1221
mpegtsraw_demuxer_select="mpegts_demuxer"
1222
mxf_d10_muxer_select="mxf_muxer"
1223
psp_muxer_select="mov_muxer"
1224
rtp_muxer_deps="network rtp_protocol"
1225
rtsp_demuxer_deps="sdp_demuxer"
1226
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1227
tg2_muxer_select="mov_muxer"
1228
tgp_muxer_select="mov_muxer"
1229
w64_demuxer_deps="wav_demuxer"
1230

    
1231
# indevs / outdevs
1232
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1233
alsa_indev_extralibs="-lasound"
1234
alsa_outdev_deps="alsa_asoundlib_h"
1235
alsa_outdev_extralibs="-lasound"
1236
audio_beos_indev_deps="audio_beos"
1237
audio_beos_indev_extralibs="-lmedia -lbe"
1238
audio_beos_outdev_deps="audio_beos"
1239
audio_beos_outdev_extralibs="-lmedia -lbe"
1240
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1241
dv1394_indev_deps="dv1394 dv_demuxer"
1242
jack_indev_deps="jack_jack_h"
1243
jack_indev_extralibs="-ljack"
1244
libdc1394_indev_deps="libdc1394"
1245
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1246
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1247
v4l_indev_deps="linux_videodev_h"
1248
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1249
vfwcap_indev_deps="capCreateCaptureWindow"
1250
vfwcap_indev_extralibs="-lvfw32"
1251
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1252
x11_grab_device_indev_extralibs="-lX11 -lXext"
1253

    
1254
# protocols
1255
gopher_protocol_deps="network"
1256
http_protocol_deps="network"
1257
rtmp_protocol_deps="tcp_protocol"
1258
rtp_protocol_deps="udp_protocol"
1259
tcp_protocol_deps="network"
1260
udp_protocol_deps="network"
1261

    
1262
# filters
1263
movie_filter_deps="avfilter_lavf"
1264

    
1265
# programs
1266
ffplay_deps="sdl"
1267
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1268
ffserver_extralibs='$ldl'
1269

    
1270
doc_deps="texi2html"
1271

    
1272
# default parameters
1273

    
1274
logfile="config.err"
1275

    
1276
# installation paths
1277
prefix_default="/usr/local"
1278
bindir_default='${prefix}/bin'
1279
datadir_default='${prefix}/share/ffmpeg'
1280
incdir_default='${prefix}/include'
1281
libdir_default='${prefix}/lib'
1282
mandir_default='${prefix}/share/man'
1283
shlibdir_default="$libdir_default"
1284

    
1285
# toolchain
1286
ar="ar"
1287
cc_default="gcc"
1288
cc_version=\"unknown\"
1289
host_cc_default="gcc"
1290
ln_s="ln -sf"
1291
nm_default="nm"
1292
objformat="elf"
1293
ranlib="ranlib"
1294
strip="strip"
1295
yasmexe="yasm"
1296

    
1297
# machine
1298
arch=$(uname -m)
1299
cpu="generic"
1300

    
1301
# OS
1302
target_os=$(tolower $(uname -s))
1303
host_os=$target_os
1304

    
1305
# configurable options
1306
enable debug
1307
enable doc
1308
enable fastdiv
1309
enable ffmpeg
1310
enable ffplay
1311
enable ffserver
1312
enable ipv6
1313
enable mpegaudio_hp
1314
enable network
1315
enable optimizations
1316
enable protocols
1317
enable static
1318
enable stripping
1319
enable swscale_alpha
1320

    
1321
# build settings
1322
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1323
FFSERVERLDFLAGS=-Wl,-E
1324
LIBPREF="lib"
1325
LIBSUF=".a"
1326
FULLNAME='$(NAME)$(BUILDSUF)'
1327
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1328
SLIBPREF="lib"
1329
SLIBSUF=".so"
1330
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1331
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1332
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1333
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1334

    
1335
CC_O='-o $@'
1336

    
1337
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1338
host_libs='-lm'
1339

    
1340
target_path='.'
1341

    
1342
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1343
# full relative path for objects in subdirectories for non-recursive Make.
1344
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1345
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1346

    
1347
# find source path
1348
source_path="$(dirname "$0")"
1349
enable source_path_used
1350
if test -f configure; then
1351
    source_path="$(pwd)"
1352
    disable source_path_used
1353
else
1354
    source_path="$(cd "$source_path"; pwd)"
1355
    echo "$source_path" | grep -q '[[:blank:]]' &&
1356
        die "Out of tree builds are impossible with whitespace in source path."
1357
    test -e "$source_path/config.h" &&
1358
        die "Out of tree builds are impossible with config.h in source dir."
1359
fi
1360

    
1361
for v in "$@"; do
1362
    r=${v#*=}
1363
    l=${v%"$r"}
1364
    r=$(sh_quote "$r")
1365
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1366
done
1367

    
1368
find_things(){
1369
    thing=$1
1370
    pattern=$2
1371
    file=$source_path/$3
1372
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1373
}
1374

    
1375
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1376
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1377
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1378
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1379
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1380
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1381
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1382
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1383
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1384
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1385
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1386

    
1387
enable $ARCH_EXT_LIST \
1388
       $DECODER_LIST \
1389
       $ENCODER_LIST \
1390
       $HWACCEL_LIST \
1391
       $PARSER_LIST \
1392
       $BSF_LIST \
1393
       $DEMUXER_LIST \
1394
       $MUXER_LIST \
1395
       $FILTER_LIST \
1396
       $PROTOCOL_LIST \
1397
       $INDEV_LIST \
1398
       $OUTDEV_LIST \
1399

    
1400
die_unknown(){
1401
    echo "Unknown option \"$1\"."
1402
    echo "See $0 --help for available options."
1403
    exit 1
1404
}
1405

    
1406
show_list() {
1407
    suffix=_$1
1408
    shift
1409
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1410
    exit 0
1411
}
1412

    
1413
for opt do
1414
    optval="${opt#*=}"
1415
    case "$opt" in
1416
    --extra-ldflags=*) add_ldflags $optval
1417
    ;;
1418
    --extra-libs=*) add_extralibs $optval
1419
    ;;
1420
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1421
    ;;
1422
    --enable-debug=*) debuglevel="$optval"
1423
    ;;
1424
    --enable-*=*|--disable-*=*)
1425
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1426
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1427
    eval list=\$$(toupper $thing)_LIST
1428
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1429
    $action $(filter "$name" $list)
1430
    ;;
1431
    --enable-?*|--disable-?*)
1432
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1433
    if is_in $option $COMPONENT_LIST; then
1434
        test $action = disable && action=unset
1435
        eval $action \$$(toupper ${option%s})_LIST
1436
    elif is_in $option $CMDLINE_SELECT; then
1437
        $action $option
1438
    else
1439
        die_unknown $opt
1440
    fi
1441
    ;;
1442
    --list-*)
1443
        NAME="${opt#--list-}"
1444
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1445
        NAME=${NAME%s}
1446
        eval show_list $NAME \$$(toupper $NAME)_LIST
1447
    ;;
1448
    --help|-h) show_help
1449
    ;;
1450
    *)
1451
    optname="${opt%%=*}"
1452
    optname="${optname#--}"
1453
    optname=$(echo "$optname" | sed 's/-/_/g')
1454
    if is_in $optname $CMDLINE_SET; then
1455
        eval $optname='$optval'
1456
    elif is_in $optname $CMDLINE_APPEND; then
1457
        append $optname "$optval"
1458
    else
1459
         die_unknown $opt
1460
    fi
1461
    ;;
1462
    esac
1463
done
1464

    
1465
disabled logging && logfile=/dev/null
1466

    
1467
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1468
set >> $logfile
1469

    
1470
test -n "$cross_prefix" && enable cross_compile
1471

    
1472
ar="${cross_prefix}${ar}"
1473
cc_default="${cross_prefix}${cc_default}"
1474
nm_default="${cross_prefix}${nm_default}"
1475
ranlib="${cross_prefix}${ranlib}"
1476
strip="${cross_prefix}${strip}"
1477

    
1478
sysinclude_default="${sysroot}/usr/include"
1479

    
1480
set_default cc nm sysinclude
1481
enabled cross_compile || host_cc_default=$cc
1482
set_default host_cc
1483

    
1484
exesuf() {
1485
    case $1 in
1486
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1487
    esac
1488
}
1489

    
1490
EXESUF=$(exesuf $target_os)
1491
HOSTEXESUF=$(exesuf $host_os)
1492

    
1493
# set temporary file name
1494
: ${TMPDIR:=$TEMPDIR}
1495
: ${TMPDIR:=$TMP}
1496
: ${TMPDIR:=/tmp}
1497

    
1498
if ! check_cmd type mktemp; then
1499
    # simple replacement for missing mktemp
1500
    # NOT SAFE FOR GENERAL USE
1501
    mktemp(){
1502
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1503
    }
1504
fi
1505

    
1506
tmpfile(){
1507
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1508
        (set -C; exec > $tmp) 2>/dev/null ||
1509
        die "Unable to create temporary file in $TMPDIR."
1510
    append TMPFILES $tmp
1511
    eval $1=$tmp
1512
}
1513

    
1514
trap 'rm -f -- $TMPFILES' EXIT
1515
trap exit HUP INT TERM
1516

    
1517
tmpfile TMPC  .c
1518
tmpfile TMPE  $EXESUF
1519
tmpfile TMPH  .h
1520
tmpfile TMPO  .o
1521
tmpfile TMPS  .S
1522
tmpfile TMPSH .sh
1523

    
1524
unset -f mktemp
1525

    
1526
# make sure we can execute files in $TMPDIR
1527
cat > $TMPSH 2>> $logfile <<EOF
1528
#! /bin/sh
1529
EOF
1530
chmod +x $TMPSH >> $logfile 2>&1
1531
if ! $TMPSH >> $logfile 2>&1; then
1532
    cat <<EOF
1533
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1534
variable to another directory and make sure that it is not mounted noexec.
1535
EOF
1536
    die "Sanity test failed."
1537
fi
1538

    
1539
filter_cflags=echo
1540
filter_cppflags=echo
1541
filter_asflags=echo
1542

    
1543
if   $cc -v 2>&1 | grep -qi ^gcc; then
1544
    cc_type=gcc
1545
    cc_version=__VERSION__
1546
    if ! $cc -dumpversion | grep -q '^2\.'; then
1547
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1548
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1549
    fi
1550
elif $cc --version 2>/dev/null | grep -q Intel; then
1551
    cc_type=icc
1552
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1553
    CC_DEPFLAGS='-MMD'
1554
    AS_DEPFLAGS='-MMD'
1555
elif $cc -v 2>&1 | grep -q xlc; then
1556
    cc_type=xlc
1557
    cc_version="AV_STRINGIFY(__IBMC__)"
1558
elif $cc -V 2>/dev/null | grep -q Compaq; then
1559
    cc_type=ccc
1560
    cc_version="AV_STRINGIFY(__DECC_VER)"
1561
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1562
    debuglevel=3
1563
    add_ldflags -Wl,-z,now # calls to libots crash without this
1564
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1565
    test -d "$sysroot" || die "No valid sysroot specified."
1566
    cc_type=armcc
1567
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1568
    armcc_conf="$PWD/armcc.conf"
1569
    $cc --arm_linux_configure                 \
1570
        --arm_linux_config_file="$armcc_conf" \
1571
        --configure_sysroot="$sysroot"        \
1572
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1573
        die "Error creating armcc configuration file."
1574
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1575
    as_default="${cross_prefix}gcc"
1576
    CC_DEPFLAGS='-MMD'
1577
    AS_DEPFLAGS='-MMD'
1578
elif $cc -version 2>/dev/null | grep -q TMS470; then
1579
    cc_type=tms470
1580
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1581
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1582
    CC_O='-fr=$(@D)'
1583
    as_default="${cross_prefix}gcc"
1584
    ld_default="${cross_prefix}gcc"
1585
    TMPO=$(basename $TMPC .c).o
1586
    append TMPFILES $TMPO
1587
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1588
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1589
    AS_DEPFLAGS='-MMD'
1590
    filter_cflags=tms470_flags
1591
    tms470_flags(){
1592
        for flag; do
1593
            case $flag in
1594
                -march=*|-mcpu=*)
1595
                    case "${flag#*=}" in
1596
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1597
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1598
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1599
                        armv6*|arm11*)          echo -mv=6   ;;
1600
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1601
                                                echo -mv=5e  ;;
1602
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1603
                    esac
1604
                    ;;
1605
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1606
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1607
                -msoft-float)   echo --float_support=vfplib       ;;
1608
                -Os)            echo -O3 -mf=2                    ;;
1609
                -O[0-3])        echo $flag -mf=5                  ;;
1610
                -g)             echo -g -mn                       ;;
1611
            esac
1612
        done
1613
    }
1614
elif $cc -v 2>&1 | grep -q clang; then
1615
    cc_type=clang
1616
    cc_version=__VERSION__
1617
    CC_DEPFLAGS='-MMD'
1618
    AS_DEPFLAGS='-MMD'
1619
elif $cc -V 2>&1 | grep -q Sun; then
1620
    cc_type=suncc
1621
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1622
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1623
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1624
fi
1625

    
1626
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1627

    
1628
: ${as_default:=$cc}
1629
: ${dep_cc_default:=$cc}
1630
: ${ld_default:=$cc}
1631
set_default as dep_cc ld
1632

    
1633
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1634
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1635

    
1636
add_cflags $extra_cflags
1637
add_asflags $extra_cflags
1638

    
1639
if test -n "$sysroot"; then
1640
    case "$cc_type" in
1641
        gcc)
1642
            add_cppflags --sysroot="$sysroot"
1643
            add_ldflags --sysroot="$sysroot"
1644
        ;;
1645
        tms470)
1646
            add_cppflags -I"$sysinclude"
1647
            add_ldflags  --sysroot="$sysroot"
1648
        ;;
1649
        clang)
1650
            add_cppflags -isysroot="$sysroot"
1651
            add_ldflags -isysroot="$sysroot"
1652
        ;;
1653
    esac
1654
fi
1655

    
1656
if test "$cpu" = host; then
1657
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1658

    
1659
    case "$cc_type" in
1660
        gcc)
1661
            check_native(){
1662
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1663
                awk "/$1=/{ match(\$0, /$1=(\\w+)/, a);print a[1];exit }" $TMPE
1664
            }
1665
            cpu=$(check_native -march || check_native -mcpu)
1666
        ;;
1667
    esac
1668

    
1669
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1670
fi
1671

    
1672
# Add processor-specific flags
1673
case $cpu in
1674
    601|ppc601|PowerPC601)
1675
        cpuflags="-mcpu=601"
1676
    ;;
1677
    603*|ppc603*|PowerPC603*)
1678
        cpuflags="-mcpu=603"
1679
    ;;
1680
    604*|ppc604*|PowerPC604*)
1681
        cpuflags="-mcpu=604"
1682
    ;;
1683
    G3|g3|75*|ppc75*|PowerPC75*)
1684
        cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1685
    ;;
1686
    G4|g4|745*|ppc745*|PowerPC745*)
1687
        cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1688
    ;;
1689
    74*|ppc74*|PowerPC74*)
1690
        cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1691
    ;;
1692
    G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1693
        cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1694
    ;;
1695
    Cell|CELL|cell)
1696
        cpuflags="-mcpu=cell"
1697
        enable ldbrx
1698
    ;;
1699
    # targets that do NOT support conditional mov (cmov)
1700
    i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1701
        cpuflags="-march=$cpu"
1702
        disable cmov
1703
    ;;
1704
    # targets that do support conditional mov (cmov)
1705
    i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1706
        cpuflags="-march=$cpu"
1707
        enable cmov
1708
        enable fast_cmov
1709
    ;;
1710
    # targets that do support conditional mov but on which it's slow
1711
    pentium4|pentium4m|prescott|nocona)
1712
        cpuflags="-march=$cpu"
1713
        enable cmov
1714
        disable fast_cmov
1715
    ;;
1716
    sparc64)
1717
        cpuflags="-mcpu=v9"
1718
    ;;
1719
    arm11*|cortex*)
1720
        cpuflags="-mcpu=$cpu"
1721
        enable fast_unaligned
1722
    ;;
1723
    armv[67]*)
1724
        cpuflags="-march=$cpu"
1725
        enable fast_unaligned
1726
    ;;
1727
    armv*)
1728
        cpuflags="-march=$cpu"
1729
    ;;
1730
    arm*)
1731
        cpuflags="-mcpu=$cpu"
1732
    ;;
1733
    ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1734
        enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1735
    ;;
1736
    bf*)
1737
        cpuflags="-mcpu=$cpu"
1738
    ;;
1739
    mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1740
        cpuflags="-march=$cpu"
1741
    ;;
1742
    ap7[02]0[0-2])
1743
        subarch="avr32_ap"
1744
        cpuflags="-mpart=$cpu"
1745
    ;;
1746
    ap)
1747
        subarch="avr32_ap"
1748
        cpuflags="-march=$cpu"
1749
    ;;
1750
    uc3[ab]*)
1751
        subarch="avr32_uc"
1752
        cpuflags="-mcpu=$cpu"
1753
    ;;
1754
    uc)
1755
        subarch="avr32_uc"
1756
        cpuflags="-march=$cpu"
1757
    ;;
1758
    generic)
1759
    ;;
1760
    *)
1761
        echo "WARNING: Unknown CPU \"$cpu\", ignored."
1762
    ;;
1763
esac
1764

    
1765
add_cflags $cpuflags
1766
add_asflags $cpuflags
1767

    
1768
# compiler sanity check
1769
check_exec <<EOF
1770
int main(void){ return 0; }
1771
EOF
1772
if test "$?" != 0; then
1773
    echo "$cc is unable to create an executable file."
1774
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1775
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1776
        echo "Only do this if you know what cross compiling means."
1777
    fi
1778
    die "C compiler test failed."
1779
fi
1780

    
1781
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1782
check_cflags -std=c99
1783
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1784
#include <stdlib.h>
1785
EOF
1786
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1787
#include <stdlib.h>
1788
EOF
1789

    
1790
check_host_cflags -std=c99
1791

    
1792
case "$arch" in
1793
    alpha)
1794
        arch="alpha"
1795
        enable fast_64bit
1796
        check_cflags -mieee
1797
        spic=$shared
1798
    ;;
1799
    arm|armv[4567]*l)
1800
        arch="arm"
1801
    ;;
1802
    avr32)
1803
    ;;
1804
    bfin)
1805
        arch="bfin"
1806
    ;;
1807
    ia64)
1808
        arch="ia64"
1809
        enable fast_64bit
1810
        spic=$shared
1811
        # HACK: currently fails to build if .bss is > 4MB and shared libs are built
1812
        enabled shared && enable_weak hardcoded_tables
1813
    ;;
1814
    m68k)
1815
        arch="m68k"
1816
    ;;
1817
    mips|mipsel|IP*)
1818
        arch="mips"
1819
        spic=$shared
1820
    ;;
1821
    mips64)
1822
        arch="mips"
1823
        subarch="mips64"
1824
        enable fast_64bit
1825
        spic=$shared
1826
    ;;
1827
    parisc|hppa)
1828
        arch="parisc"
1829
        spic=$shared
1830
    ;;
1831
    parisc64|hppa64)
1832
        arch="parisc"
1833
        enable fast_64bit
1834
        spic=$shared
1835
    ;;
1836
    "Power Macintosh"|ppc|powerpc)
1837
        arch="ppc"
1838
        enable fast_unaligned
1839
    ;;
1840
    ppc64)
1841
        arch="ppc"
1842
        subarch="ppc64"
1843
        enable fast_64bit
1844
        enable fast_unaligned
1845
    ;;
1846
    s390|s390x)
1847
        arch="s390"
1848
    ;;
1849
    sh4|sh)
1850
        arch="sh4"
1851
    ;;
1852
    sparc)
1853
        arch="sparc"
1854
        spic=$shared
1855
    ;;
1856
    sun4u|sparc64)
1857
        arch="sparc"
1858
        subarch="sparc64"
1859
        enable fast_64bit
1860
        spic=$shared
1861
    ;;
1862
    i386|i486|i586|i686|i86pc|BePC|x86_64|amd64)
1863
        arch="x86"
1864
        subarch="x86_32"
1865
        enable fast_unaligned
1866
        check_cc <<EOF && enable fast_64bit && subarch="x86_64" && spic=$shared
1867
        int test[(int)sizeof(char*) - 7];
1868
EOF
1869
        if test "$subarch" = "x86_64"; then
1870
            enable cmov
1871
            enable fast_cmov
1872
        fi
1873
    ;;
1874
    *)
1875
        arch="unknown"
1876
    ;;
1877
esac
1878

    
1879
enable $arch $subarch
1880
enabled spic && enable pic
1881
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
1882

    
1883
# OS specific
1884
case $target_os in
1885
    beos|haiku|zeta)
1886
        prefix_default="$HOME/config"
1887
        # 3 gcc releases known for BeOS, each with ugly bugs
1888
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1889
        case "$gcc_version" in
1890
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1891
            disable mmx
1892
            ;;
1893
          *20010315*) echo "BeBits gcc"
1894
            add_cflags -fno-expensive-optimizations
1895
            ;;
1896
        esac
1897
        SHFLAGS=-nostart
1898
        # enable BeOS things
1899
        enable audio_beos
1900
        # no need for libm, but the inet stuff
1901
        # Check for BONE
1902
        # XXX: actually should check for NOT net_server
1903
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1904
            network_extralibs="-lbind -lsocket"
1905
        else
1906
            enable beos_netserver
1907
            network_extralibs="-lnet"
1908
        fi ;;
1909
    sunos)
1910
        FFSERVERLDFLAGS=""
1911
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1912
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
1913
        network_extralibs="-lsocket -lnsl"
1914
        add_cppflags -D__EXTENSIONS__
1915
        ;;
1916
    netbsd)
1917
        oss_indev_extralibs="-lossaudio"
1918
        oss_outdev_extralibs="-lossaudio"
1919
        ;;
1920
    openbsd)
1921
        enable malloc_aligned
1922
        # On OpenBSD 4.5. the compiler does not use PIC unless
1923
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
1924
        # however the generated executable will not do anything
1925
        # (simply quits with exit-code 1, no crash, no output).
1926
        # Thus explicitly enable PIC here.
1927
        enable pic
1928
        SHFLAGS='-shared'
1929
        oss_indev_extralibs="-lossaudio"
1930
        oss_outdev_extralibs="-lossaudio"
1931
        ;;
1932
    freebsd|dragonfly)
1933
        enable malloc_aligned
1934
        ;;
1935
    bsd/os)
1936
        osextralibs="-lpoll -lgnugetopt"
1937
        strip="strip -d"
1938
        ;;
1939
    darwin)
1940
        enable malloc_aligned
1941
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1942
        strip="strip -x"
1943
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1944
        SLIBSUF=".dylib"
1945
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1946
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1947
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1948
        objformat="macho"
1949
        enabled x86_64 && objformat="macho64"
1950
        enabled_any pic shared ||
1951
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
1952
        ;;
1953
    mingw32*)
1954
        if test $target_os = "mingw32ce"; then
1955
            disable network
1956
        else
1957
            target_os=mingw32
1958
        fi
1959
        LIBTARGET=i386
1960
        if enabled x86_64; then
1961
            enable malloc_aligned
1962
            LIBTARGET=x64
1963
        elif enabled arm; then
1964
            LIBTARGET=arm
1965
        fi
1966
        shlibdir_default="$bindir_default"
1967
        disable ffserver
1968
        SLIBPREF=""
1969
        SLIBSUF=".dll"
1970
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1971
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1972
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1973
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1974
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1975
            install -d "$(LIBDIR)"; \
1976
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1977
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1978
        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'
1979
        objformat="win32"
1980
        enable dos_paths
1981
        check_cflags -fno-common
1982
        if ! enabled x86_64; then
1983
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1984
                die "ERROR: MinGW runtime version must be >= 3.15."
1985
            enabled_any avisynth vfwcap_indev &&
1986
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1987
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1988
            fi
1989
        ;;
1990
    cygwin*)
1991
        target_os=cygwin
1992
        shlibdir_default="$bindir_default"
1993
        SLIBPREF="cyg"
1994
        SLIBSUF=".dll"
1995
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1996
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1997
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1998
        objformat="win32"
1999
        enable dos_paths
2000
        check_cflags -fno-common
2001
        ;;
2002
    *-dos|freedos|opendos)
2003
        disable ffplay ffserver
2004
        disable $INDEV_LIST $OUTDEV_LIST
2005
        network_extralibs="-lsocket"
2006
        objformat="coff"
2007
        enable dos_paths
2008
        ;;
2009
    linux)
2010
        enable dv1394
2011
        ;;
2012
    irix*)
2013
        target_os=irix
2014
        ranlib="echo ignoring ranlib"
2015
        ;;
2016
    os/2*)
2017
        strip="lxlite"
2018
        ln_s="cp -f"
2019
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2020
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2021
        FFSERVERLDFLAGS=""
2022
        LIBSUF="_s.a"
2023
        SLIBPREF=""
2024
        SLIBSUF=".dll"
2025
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2026
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2027
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2028
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2029
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2030
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2031
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2032
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2033
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2034
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2035
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2036
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2037
        enable dos_paths
2038
        ;;
2039
    gnu/kfreebsd)
2040
        ;;
2041
    gnu)
2042
        ;;
2043

    
2044
    *)
2045
        die "Unknown OS '$target_os'."
2046
        ;;
2047
esac
2048

    
2049
set_default $PATHS_LIST
2050

    
2051
add_extralibs $osextralibs
2052

    
2053
# Combine FFLDFLAGS and the LDFLAGS environment variable.
2054
LDFLAGS="$FFLDFLAGS $LDFLAGS"
2055

    
2056
# we need to build at least one lib type
2057
if ! enabled_any static shared; then
2058
    cat <<EOF
2059
At least one library type must be built.
2060
Specify --enable-static to build the static libraries or --enable-shared to
2061
build the shared libraries as well. To only build the shared libraries specify
2062
--disable-static in addition to --enable-shared.
2063
EOF
2064
    exit 1;
2065
fi
2066

    
2067
disabled static && LIBNAME=""
2068

    
2069
if enabled_any libfaad libfaadbin ; then
2070
    if check_header faad.h; then
2071
        check_cc <<EOF
2072
#include <faad.h>
2073
#ifndef FAAD2_VERSION
2074
ok faad1
2075
#endif
2076
int main(void) { return 0; }
2077
EOF
2078
        test $? = 0 && enable libfaad2
2079
    else
2080
        die "FAAD test failed."
2081
    fi
2082
fi
2083

    
2084

    
2085
die_license_disabled() {
2086
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2087
}
2088

    
2089
die_license_disabled gpl libfaad2
2090
die_license_disabled gpl libx264
2091
die_license_disabled gpl libxvid
2092
die_license_disabled gpl postproc
2093
die_license_disabled gpl x11grab
2094

    
2095
die_license_disabled nonfree libfaac
2096

    
2097
die_license_disabled version3 libopencore_amrnb
2098
die_license_disabled version3 libopencore_amrwb
2099

    
2100
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2101

    
2102
check_deps $ARCH_EXT_LIST
2103

    
2104
disabled optimizations || check_cflags -fomit-frame-pointer
2105

    
2106
enable_pic() {
2107
    enable pic
2108
    add_cppflags -DPIC
2109
    add_cflags   -fPIC
2110
    add_asflags  -fPIC
2111
}
2112

    
2113
enabled pic && enable_pic
2114

    
2115
check_cc <<EOF || die "Symbol mangling check failed."
2116
int ff_extern;
2117
EOF
2118
sym=$($nm -P -g $TMPO | grep ff_extern)
2119
extern_prefix=${sym%%ff_extern*}
2120

    
2121
check_cc <<EOF && enable inline_asm
2122
void foo(void) { __asm__ volatile ("" ::); }
2123
EOF
2124

    
2125
_restrict=
2126
for restrict_keyword in restrict __restrict__ __restrict; do
2127
    check_cc <<EOF && _restrict=$restrict_keyword && break
2128
void foo(char * $restrict_keyword p);
2129
EOF
2130
done
2131

    
2132
check_cc <<EOF && enable attribute_packed
2133
struct { int x; } __attribute__((packed)) x;
2134
EOF
2135

    
2136
check_cc <<EOF || die "endian test failed"
2137
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2138
EOF
2139
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2140

    
2141
if enabled arm; then
2142

    
2143
    check_cflags -marm
2144

    
2145
    check_ld <<EOF && enable vfp_args
2146
__asm__ (".eabi_attribute 28, 1");
2147
int main(void) { return 0; }
2148
EOF
2149

    
2150
    # We have to check if pld is a nop and disable it.
2151
    check_asm pld '"pld [r0]"'
2152

    
2153
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2154
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2155
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2156
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2157
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2158
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2159

    
2160
    enabled_all armv6t2 shared !pic && enable_pic
2161

    
2162
elif enabled mips; then
2163

    
2164
    check_asm loongson '"dmult.g $1, $2, $3"'
2165
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2166

    
2167
elif enabled ppc; then
2168

    
2169
    check_asm dcbzl     '"dcbzl 0, 1"'
2170
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2171
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2172

    
2173
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2174
    if enabled altivec; then
2175
        check_cflags -maltivec -mabi=altivec &&
2176
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2177
        check_cflags -faltivec
2178

    
2179
        # check if our compiler supports Motorola AltiVec C API
2180
        check_cc <<EOF || disable altivec
2181
$inc_altivec_h
2182
int main(void) {
2183
    vector signed int v1, v2, v3;
2184
    v1 = vec_add(v2,v3);
2185
    return 0;
2186
}
2187
EOF
2188

    
2189
        # check if our compiler supports braces for vector declarations
2190
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2191
$inc_altivec_h
2192
int main (void) { (vector int) {1}; return 0; }
2193
EOF
2194
    fi
2195

    
2196
elif enabled sparc; then
2197

    
2198
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2199
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2200

    
2201
elif enabled x86; then
2202

    
2203
    # check whether EBP is available on x86
2204
    # As 'i' is stored on the stack, this program will crash
2205
    # if the base pointer is used to access it because the
2206
    # base pointer is cleared in the inline assembly code.
2207
    check_exec_crash <<EOF && enable ebp_available
2208
    volatile int i=0;
2209
    __asm__ volatile (
2210
        "xorl %%ebp, %%ebp"
2211
    ::: "%ebp");
2212
    return i;
2213
EOF
2214

    
2215
    # check whether EBX is available on x86
2216
    check_asm ebx_available '""::"b"(0)' &&
2217
        check_asm ebx_available '"":::"%ebx"'
2218

    
2219
    # check whether more than 10 operands are supported
2220
    check_cc <<EOF && enable ten_operands
2221
int main(void) {
2222
    int x=0;
2223
    __asm__ volatile(
2224
        ""
2225
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2226
    );
2227
    return 0;
2228
}
2229
EOF
2230

    
2231
    # check whether binutils is new enough to compile SSSE3/MMX2
2232
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2233
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2234

    
2235
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2236

    
2237
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2238
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2239
    enabled     pic           && append YASMFLAGS "-DPIC"
2240
    test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2241
    case "$objformat" in
2242
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2243
    esac
2244
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2245

    
2246
fi
2247

    
2248
if check_func dlopen; then
2249
    ldl=
2250
elif check_func dlopen -ldl; then
2251
    ldl=-ldl
2252
fi
2253

    
2254
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2255
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2256

    
2257
check_func  fork
2258
check_func  gethrtime
2259
check_func  getrusage
2260
check_func  inet_aton $network_extralibs
2261
check_func  isatty
2262
check_func  memalign
2263
check_func  mkstemp
2264
check_func  posix_memalign
2265
check_func_headers io.h setmode
2266
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2267
check_func_headers windows.h GetProcessTimes
2268
check_func_headers windows.h VirtualAlloc
2269

    
2270
check_header conio.h
2271
check_header dlfcn.h
2272
check_header malloc.h
2273
check_header poll.h
2274
check_header sys/mman.h
2275
check_header sys/resource.h
2276
check_header sys/select.h
2277
check_header termios.h
2278
check_header vdpau/vdpau.h
2279
check_header vdpau/vdpau_x11.h
2280
check_header X11/extensions/XvMClib.h
2281

    
2282
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2283
     enabled_any $need_memalign ; then
2284
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2285
fi
2286

    
2287
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2288
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2289

    
2290
# check for some common methods of building with pthread support
2291
# do this before the optional library checks as some of them require pthreads
2292
if enabled pthreads; then
2293
    if check_func pthread_create; then
2294
        :
2295
    elif check_func pthread_create -pthread; then
2296
        add_cflags -pthread
2297
        add_extralibs -pthread
2298
    elif check_func pthread_create -pthreads; then
2299
        add_cflags -pthreads
2300
        add_extralibs -pthreads
2301
    elif check_func pthread_create -lpthreadGC2; then
2302
        add_extralibs -lpthreadGC2
2303
    elif ! check_lib pthread.h pthread_create -lpthread; then
2304
        die "ERROR: can't find pthreads library"
2305
    fi
2306
fi
2307

    
2308
for thread in $THREADS_LIST; do
2309
    if enabled $thread; then
2310
        test -n "$thread_type" &&
2311
            die "ERROR: Only one thread type must be selected." ||
2312
            thread_type="$thread"
2313
    fi
2314
done
2315

    
2316
check_lib math.h sin -lm
2317
check_lib va/va.h vaInitialize -lva
2318

    
2319
check_func llrint
2320
check_func log2
2321
check_func lrint
2322
check_func lrintf
2323
check_func round
2324
check_func roundf
2325
check_func truncf
2326

    
2327
# these are off by default, so fail if requested and not available
2328
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2329
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2330
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2331
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2332
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2333
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2334
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2335
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2336
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2337
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2338
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2339
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2340
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2341
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2342
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2343
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2344
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2345
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
2346
                      { check_cpp_condition x264.h "X264_BUILD >= 78" ||
2347
                        die "ERROR: libx264 version must be >= 0.78."; }
2348
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2349
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2350

    
2351
# libdc1394 check
2352
if enabled libdc1394; then
2353
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2354
        enable libdc1394_2; } ||
2355
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2356
        enable libdc1394_1; } ||
2357
    die "ERROR: No version of libdc1394 found "
2358
fi
2359

    
2360
disable sdl_too_old
2361
disable sdl
2362
SDL_CONFIG="${cross_prefix}sdl-config"
2363
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2364
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2365
    sdl_libs=$("${SDL_CONFIG}" --libs)
2366
    temp_cflags $sdl_cflags
2367
    temp_extralibs $sdl_libs
2368
    if check_lib2 SDL.h SDL_Init; then
2369
        _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2370
        if test "$_sdlversion" -lt 121 ; then
2371
            enable sdl_too_old
2372
        else
2373
            enable sdl
2374
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2375
#include <SDL.h>
2376
int main(int argc, char **argv){
2377
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2378
    int w = vi->current_w;
2379
    return 0;
2380
}
2381
EOF
2382
        fi
2383
    fi
2384
    restore_flags
2385
fi
2386

    
2387
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2388

    
2389
if enabled network; then
2390
    check_type "sys/types.h sys/socket.h" socklen_t
2391
    # Prefer arpa/inet.h over winsock2
2392
    if check_header arpa/inet.h ; then
2393
        check_func closesocket
2394
    elif check_header winsock2.h ; then
2395
        check_func_headers winsock2.h closesocket -lws2 && \
2396
            network_extralibs="-lws2" || \
2397
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2398
            network_extralibs="-lws2_32"; }
2399
        check_type ws2tcpip.h socklen_t
2400
    else
2401
        disable network
2402
    fi
2403
fi
2404

    
2405
enabled_all network ipv6 && check_ld <<EOF || disable ipv6
2406
#include <sys/types.h>
2407
#include <sys/socket.h>
2408
#include <netinet/in.h>
2409
#include <netdb.h>
2410
int main(void) {
2411
    struct sockaddr_storage saddr;
2412
    struct ipv6_mreq mreq6;
2413
    getaddrinfo(0,0,0,0);
2414
    getnameinfo(0,0,0,0,0,0,0);
2415
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2416
}
2417
EOF
2418

    
2419
check_header linux/videodev.h
2420
check_header linux/videodev2.h
2421
check_header sys/videoio.h
2422

    
2423
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2424

    
2425
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2426
{ check_header dev/bktr/ioctl_meteor.h &&
2427
  check_header dev/bktr/ioctl_bt848.h; } ||
2428
{ check_header machine/ioctl_meteor.h &&
2429
  check_header machine/ioctl_bt848.h; } ||
2430
{ check_header dev/video/meteor/ioctl_meteor.h &&
2431
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2432
check_header dev/ic/bt8xx.h
2433

    
2434
check_header sys/soundcard.h
2435
check_header soundcard.h
2436

    
2437
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2438

    
2439
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2440

    
2441
enabled x11grab                         &&
2442
check_header X11/Xlib.h                 &&
2443
check_header X11/extensions/XShm.h      &&
2444
check_func XOpenDisplay -lX11           &&
2445
check_func XShmCreateImage -lX11 -lXext
2446

    
2447
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2448

    
2449
# add some useful compiler flags if supported
2450
check_cflags -Wdeclaration-after-statement
2451
check_cflags -Wall
2452
check_cflags -Wno-switch
2453
check_cflags -Wdisabled-optimization
2454
check_cflags -Wpointer-arith
2455
check_cflags -Wredundant-decls
2456
check_cflags -Wno-pointer-sign
2457
check_cflags -Wcast-qual
2458
check_cflags -Wwrite-strings
2459
check_cflags -Wtype-limits
2460
check_cflags -Wundef
2461
enabled extra_warnings && check_cflags -Winline
2462

    
2463
# add some linker flags
2464
check_ldflags -Wl,--warn-common
2465
check_ldflags -Wl,--as-needed
2466
check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2467
check_ldflags -Wl,-Bsymbolic
2468

    
2469
if enabled small; then
2470
    check_cflags -Os            # not all compilers support -Os
2471
    optimizations="small"
2472
elif enabled optimizations; then
2473
    if enabled xlc; then
2474
        add_cflags  -O5
2475
        add_ldflags -O5
2476
    elif enabled ccc; then
2477
        add_cflags -fast
2478
    else
2479
        add_cflags -O3
2480
    fi
2481
fi
2482
check_cflags -fno-math-errno
2483
check_cflags -fno-signed-zeros
2484

    
2485
if enabled icc; then
2486
    # Just warnings, no remarks
2487
    check_cflags -w1
2488
    # -wd: Disable following warnings
2489
    # 144, 167, 556: -Wno-pointer-sign
2490
    # 10006: ignoring unknown option -fno-signed-zeros
2491
    # 10156: ignoring option '-W'; no argument required
2492
    check_cflags -wd144,167,556,10006,10156
2493
    # 11030: Warning unknown option --as-needed
2494
    # 10156: ignoring option '-export'; no argument required
2495
    check_ldflags -wd10156,11030
2496
    # Allow to compile with optimizations
2497
    check_ldflags -march=$cpu
2498
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2499
    enable ebp_available
2500
elif enabled ccc; then
2501
    # disable some annoying warnings
2502
    add_cflags -msg_disable cvtu32to64
2503
    add_cflags -msg_disable embedcomment
2504
    add_cflags -msg_disable needconstext
2505
    add_cflags -msg_disable nomainieee
2506
    add_cflags -msg_disable ptrmismatch1
2507
    add_cflags -msg_disable unreachcode
2508
elif enabled gcc; then
2509
    check_cflags -fno-tree-vectorize
2510
elif enabled clang; then
2511
    check_cflags -Qunused-arguments
2512
fi
2513

    
2514
if enabled gprof; then
2515
    add_cflags  -p
2516
    add_ldflags -p
2517
fi
2518

    
2519
# Find out if the .align argument is a power of two or not.
2520
check_asm asmalign_pot '".align 3"'
2521

    
2522
enabled_any $DECODER_LIST      && enable decoders
2523
enabled_any $ENCODER_LIST      && enable encoders
2524
enabled_any $HWACCEL_LIST      && enable hwaccels
2525
enabled_any $BSF_LIST          && enable bsfs
2526
enabled_any $DEMUXER_LIST      && enable demuxers
2527
enabled_any $MUXER_LIST        && enable muxers
2528
enabled_any $FILTER_LIST       && enable filters
2529
enabled_any $INDEV_LIST        && enable indevs
2530
enabled_any $OUTDEV_LIST       && enable outdevs
2531
enabled_any $PROTOCOL_LIST     && enable protocols
2532

    
2533
enabled_any $THREADS_LIST      && enable threads
2534

    
2535
check_deps $CONFIG_LIST       \
2536
           $CONFIG_EXTRA      \
2537
           $HAVE_LIST         \
2538
           $DECODER_LIST      \
2539
           $ENCODER_LIST      \
2540
           $HWACCEL_LIST      \
2541
           $PARSER_LIST       \
2542
           $BSF_LIST          \
2543
           $DEMUXER_LIST      \
2544
           $MUXER_LIST        \
2545
           $FILTER_LIST       \
2546
           $INDEV_LIST        \
2547
           $OUTDEV_LIST       \
2548
           $PROTOCOL_LIST     \
2549

    
2550
echo "install prefix            $prefix"
2551
echo "source path               $source_path"
2552
echo "C compiler                $cc"
2553
echo ".align is power-of-two    $asmalign_pot"
2554
echo "ARCH                      $arch ($cpu)"
2555
if test "$build_suffix" != ""; then
2556
    echo "build suffix              $build_suffix"
2557
fi
2558
if test "$extra_version" != ""; then
2559
    echo "version string suffix     $extra_version"
2560
fi
2561
echo "big-endian                ${bigendian-no}"
2562
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2563
if enabled x86; then
2564
    echo "yasm                      ${yasm-no}"
2565
    echo "MMX enabled               ${mmx-no}"
2566
    echo "MMX2 enabled              ${mmx2-no}"
2567
    echo "3DNow! enabled            ${amd3dnow-no}"
2568
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2569
    echo "SSE enabled               ${sse-no}"
2570
    echo "SSSE3 enabled             ${ssse3-no}"
2571
    echo "CMOV enabled              ${cmov-no}"
2572
    echo "CMOV is fast              ${fast_cmov-no}"
2573
    echo "EBX available             ${ebx_available-no}"
2574
    echo "EBP available             ${ebp_available-no}"
2575
    echo "10 operands supported     ${ten_operands-no}"
2576
fi
2577
if enabled arm; then
2578
    echo "ARMv5TE enabled           ${armv5te-no}"
2579
    echo "ARMv6 enabled             ${armv6-no}"
2580
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2581
    echo "ARM VFP enabled           ${armvfp-no}"
2582
    echo "IWMMXT enabled            ${iwmmxt-no}"
2583
    echo "NEON enabled              ${neon-no}"
2584
fi
2585
if enabled mips; then
2586
    echo "MMI enabled               ${mmi-no}"
2587
fi
2588
if enabled ppc; then
2589
    echo "AltiVec enabled           ${altivec-no}"
2590
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2591
    echo "dcbzl available           ${dcbzl-no}"
2592
    echo "performance report        ${powerpc_perf-no}"
2593
fi
2594
if enabled sparc; then
2595
    echo "VIS enabled               ${vis-no}"
2596
fi
2597
echo "gprof enabled             ${gprof-no}"
2598
echo "debug symbols             ${debug-no}"
2599
echo "strip symbols             ${stripping-no}"
2600
echo "optimizations             ${optimizations-no}"
2601
echo "static                    ${static-no}"
2602
echo "shared                    ${shared-no}"
2603
echo "postprocessing support    ${postproc-no}"
2604
echo "new filter support        ${avfilter-no}"
2605
echo "filters using lavformat   ${avfilter_lavf-no}"
2606
echo "network support           ${network-no}"
2607
if enabled network; then
2608
    echo "IPv6 support              ${ipv6-no}"
2609
fi
2610
echo "threading support         ${thread_type-no}"
2611
echo "SDL support               ${sdl-no}"
2612
if enabled sdl_too_old; then
2613
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2614
fi
2615
echo "Sun medialib support      ${mlib-no}"
2616
echo "AVISynth enabled          ${avisynth-no}"
2617
echo "libdc1394 support         ${libdc1394-no}"
2618
echo "libdirac enabled          ${libdirac-no}"
2619
echo "libfaac enabled           ${libfaac-no}"
2620
echo "libfaad enabled           ${libfaad-no}"
2621
echo "libfaad dlopened          ${libfaadbin-no}"
2622
echo "libgsm enabled            ${libgsm-no}"
2623
echo "libmp3lame enabled        ${libmp3lame-no}"
2624
echo "libnut enabled            ${libnut-no}"
2625
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2626
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2627
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2628
echo "libschroedinger enabled   ${libschroedinger-no}"
2629
echo "libspeex enabled          ${libspeex-no}"
2630
echo "libtheora enabled         ${libtheora-no}"
2631
echo "libvorbis enabled         ${libvorbis-no}"
2632
echo "libx264 enabled           ${libx264-no}"
2633
echo "libxvid enabled           ${libxvid-no}"
2634
echo "zlib enabled              ${zlib-no}"
2635
echo "bzlib enabled             ${bzlib-no}"
2636
echo
2637

    
2638
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2639
    echo "Enabled ${type}s:"
2640
    eval list=\$$(toupper $type)_LIST
2641
    for part in $list; do
2642
        enabled $part && echo ${part%_*}
2643
    done | sort | pr -3 -t
2644
    echo
2645
done
2646

    
2647
license="LGPL version 2.1 or later"
2648
if enabled nonfree; then
2649
    license="nonfree and unredistributable"
2650
elif enabled gplv3; then
2651
    license="GPL version 3 or later"
2652
elif enabled lgplv3; then
2653
    license="LGPL version 3 or later"
2654
elif enabled gpl; then
2655
    license="GPL version 2 or later"
2656
fi
2657

    
2658
echo "License: $license"
2659

    
2660
echo "Creating config.mak and config.h..."
2661

    
2662
enabled stripping || strip="echo skipping strip"
2663

    
2664
cat > config.mak <<EOF
2665
# Automatically generated by configure - do not modify!
2666
ifndef FFMPEG_CONFIG_MAK
2667
FFMPEG_CONFIG_MAK=1
2668
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2669
prefix=$prefix
2670
LIBDIR=\$(DESTDIR)$libdir
2671
SHLIBDIR=\$(DESTDIR)$shlibdir
2672
INCDIR=\$(DESTDIR)$incdir
2673
BINDIR=\$(DESTDIR)$bindir
2674
DATADIR=\$(DESTDIR)$datadir
2675
MANDIR=\$(DESTDIR)$mandir
2676
SRC_PATH="$source_path"
2677
SRC_PATH_BARE=$source_path
2678
BUILD_ROOT="$PWD"
2679
ARCH=$arch
2680
CC=$cc
2681
AS=$as
2682
LD=$ld
2683
DEPCC=$dep_cc
2684
YASM=$yasmexe
2685
AR=$ar
2686
RANLIB=$ranlib
2687
LN_S=$ln_s
2688
STRIP=$strip
2689
CPPFLAGS=$CPPFLAGS
2690
CFLAGS=$CFLAGS
2691
ASFLAGS=$ASFLAGS
2692
CC_O=$CC_O
2693
LDFLAGS=$LDFLAGS
2694
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2695
SHFLAGS=$SHFLAGS
2696
YASMFLAGS=$YASMFLAGS
2697
BUILDSUF=$build_suffix
2698
FULLNAME=$FULLNAME
2699
LIBPREF=$LIBPREF
2700
LIBSUF=$LIBSUF
2701
LIBNAME=$LIBNAME
2702
SLIBPREF=$SLIBPREF
2703
SLIBSUF=$SLIBSUF
2704
EXESUF=$EXESUF
2705
EXTRA_VERSION=$extra_version
2706
DEPFLAGS=$DEPFLAGS
2707
CCDEP=$CCDEP
2708
ASDEP=$ASDEP
2709
CC_DEPFLAGS=$CC_DEPFLAGS
2710
AS_DEPFLAGS=$AS_DEPFLAGS
2711
HOSTCC=$host_cc
2712
HOSTCFLAGS=$host_cflags
2713
HOSTEXESUF=$HOSTEXESUF
2714
HOSTLDFLAGS=$host_ldflags
2715
HOSTLIBS=$host_libs
2716
TARGET_EXEC=$target_exec
2717
TARGET_PATH=$target_path
2718
SDL_LIBS=$sdl_libs
2719
SDL_CFLAGS=$sdl_cflags
2720
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2721
EXTRALIBS=$extralibs
2722
EOF
2723

    
2724
get_version(){
2725
    name=$1
2726
    file=$source_path/$2
2727
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2728
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2729
    lcname=$(tolower $name)
2730
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2731
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2732
}
2733

    
2734
get_version LIBSWSCALE  libswscale/swscale.h
2735
get_version LIBPOSTPROC libpostproc/postprocess.h
2736
get_version LIBAVCODEC  libavcodec/avcodec.h
2737
get_version LIBAVDEVICE libavdevice/avdevice.h
2738
get_version LIBAVFORMAT libavformat/avformat.h
2739
get_version LIBAVUTIL   libavutil/avutil.h
2740
get_version LIBAVFILTER libavfilter/avfilter.h
2741

    
2742
enabled shared && cat >> config.mak <<EOF
2743
LIBTARGET=${LIBTARGET}
2744
SLIBNAME=${SLIBNAME}
2745
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2746
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2747
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2748
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2749
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2750
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2751
EOF
2752

    
2753
enabled asmalign_pot || align_shift="1 <<"
2754

    
2755
cat > $TMPH <<EOF
2756
/* Automatically generated by configure - do not modify! */
2757
#ifndef FFMPEG_CONFIG_H
2758
#define FFMPEG_CONFIG_H
2759
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
2760
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2761
#define CC_TYPE "$cc_type"
2762
#define CC_VERSION $cc_version
2763
#define restrict $_restrict
2764
#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
2765
#define EXTERN_PREFIX "${extern_prefix}"
2766
#define EXTERN_ASM ${extern_prefix}
2767
EOF
2768

    
2769
if enabled small || disabled optimizations; then
2770
    echo "#define av_always_inline"  >> $TMPH
2771
fi
2772

    
2773
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2774
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2775
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2776
                                      $CONFIG_EXTRA      \
2777
                                      $DECODER_LIST      \
2778
                                      $ENCODER_LIST      \
2779
                                      $HWACCEL_LIST      \
2780
                                      $PARSER_LIST       \
2781
                                      $BSF_LIST          \
2782
                                      $DEMUXER_LIST      \
2783
                                      $MUXER_LIST        \
2784
                                      $FILTER_LIST       \
2785
                                      $PROTOCOL_LIST     \
2786
                                      $INDEV_LIST        \
2787
                                      $OUTDEV_LIST       \
2788

    
2789
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2790
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2791

    
2792
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2793
cmp -s $TMPH config.h &&
2794
    echo "config.h is unchanged" ||
2795
    mv -f $TMPH config.h
2796

    
2797
# build tree in object directory if source path is different from current one
2798
if enabled source_path_used; then
2799
    DIRS="
2800
        doc
2801
        libavcodec
2802
        libavcodec/$arch
2803
        libavdevice
2804
        libavfilter
2805
        libavformat
2806
        libavutil
2807
        libavutil/$arch
2808
        libpostproc
2809
        libswscale
2810
        libswscale/$arch
2811
        tests
2812
        tools
2813
    "
2814
    FILES="
2815
        Makefile
2816
        common.mak
2817
        subdir.mak
2818
        doc/texi2pod.pl
2819
        libavcodec/Makefile
2820
        libavdevice/Makefile
2821
        libavfilter/Makefile
2822
        libavformat/Makefile
2823
        libavutil/Makefile
2824
        libpostproc/Makefile
2825
        libswscale/Makefile
2826
    "
2827
    for dir in $DIRS ; do
2828
        mkdir -p $dir
2829
    done
2830
    for f in $FILES ; do
2831
        $ln_s "$source_path/$f" $f
2832
    done
2833
fi
2834

    
2835

    
2836
# build pkg-config files
2837

    
2838
pkgconfig_generate(){
2839
name=$1
2840
shortname=${name#lib}${build_suffix}
2841
comment=$2
2842
version=$3
2843
libs=$4
2844
requires=$5
2845
cat <<EOF > $name/$name.pc
2846
prefix=$prefix
2847
exec_prefix=\${prefix}
2848
libdir=$libdir
2849
includedir=$incdir
2850

    
2851
Name: $name
2852
Description: $comment
2853
Version: $version
2854
Requires: $(enabled shared || echo $requires)
2855
Requires.private: $(enabled shared && echo $requires)
2856
Conflicts:
2857
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
2858
Libs.private: $(enabled shared && echo $libs)
2859
Cflags: -I\${includedir}
2860
EOF
2861
cat <<EOF > $name/$name-uninstalled.pc
2862
prefix=
2863
exec_prefix=
2864
libdir=\${pcfiledir}
2865
includedir=${source_path}
2866

    
2867
Name: $name
2868
Description: $comment
2869
Version: $version
2870
Requires: $requires
2871
Conflicts:
2872
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2873
Cflags: -I\${includedir}
2874
EOF
2875
}
2876

    
2877
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2878
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2879
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2880
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2881
enabled avfilter &&
2882
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2883
enabled postproc &&
2884
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2885
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"