Simplify: avoid duplication backward_filter()
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
f57620d5
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3# FFmpeg configure script
4#
5# Copyright (c) 2000, 2001, 2002 Fabrice Bellard
6# Copyright (c) 2005-2006 Diego Biurrun
7# Copyright (c) 2005-2006 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
cde2d79a 10# make sure we are running under a compatible shell
c21d6325
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11# try to make this part work with most shells
12
13try_exec(){
0dbe81bb 14 echo "Trying shell $1"
2270b4b2 15 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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16}
17
5237ce67 18unset foo
2270b4b2 19(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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20E1="$?"
21
2270b4b2 22(: ${foo?}) 2> /dev/null
0dbe81bb
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23E2="$?"
24
25if test "$E1" != 0 || test "$E2" = 0; then
26 echo "Broken shell detected. Trying alternatives."
c21d6325
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27 export FF_CONF_EXEC
28 if test "0$FF_CONF_EXEC" -lt 1; then
29 FF_CONF_EXEC=1
30 try_exec bash "$0" "$@"
31 fi
32 if test "0$FF_CONF_EXEC" -lt 2; then
33 FF_CONF_EXEC=2
34 try_exec ksh "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 3; then
37 FF_CONF_EXEC=3
38 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
MR
39 fi
40 echo "No compatible shell script interpreter found."
fc53da20 41 echo "This configure script requires a POSIX-compatible shell"
c21d6325 42 echo "such as bash or ksh."
505dfb09
DB
43 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
44 echo "Instead, install a working POSIX-compatible shell."
45 echo "Disabling this configure test will create a broken FFmpeg."
c21d6325
MR
46 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
47 echo "This bash version ($BASH_VERSION) is broken on your platform."
48 echo "Upgrade to a later version if available."
49 fi
cde2d79a
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50 exit 1
51fi
52
74c53c2d
MR
53show_help(){
54 echo "Usage: configure [options]"
55 echo "Options: [defaults in brackets after descriptions]"
56 echo
57 echo "Standard options:"
58 echo " --help print this message"
8c6afa4d
DB
59 echo " --logfile=FILE log tests and output to FILE [config.err]"
60 echo " --disable-logging do not log configure debug information"
3e89171a 61 echo " --prefix=PREFIX install in PREFIX [$prefix]"
d156bede 62 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
74c53c2d 63 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
84c22efd 64 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
5341d856 65 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
4ca5ece5 66 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
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67 echo " --enable-static build static libraries [default=yes]"
68 echo " --disable-static do not build static libraries [default=no]"
69 echo " --enable-shared build shared libraries [default=no]"
70 echo " --disable-shared do not build shared libraries [default=yes]"
0a622b98
MR
71 echo " --enable-gpl allow use of GPL code, the resulting libav*"
72 echo " and ffmpeg will be under GPL [default=no]"
3fe142e2
DB
73 echo " --enable-nonfree allow use of nonfree code, the resulting libav*"
74 echo " and ffmpeg will be unredistributable [default=no]"
4a24ab64 75 echo " --enable-postproc enable GPLed postprocessing support [default=no]"
13ca50f3 76 echo " --enable-swscale software scaler support [default=no]"
f7679c54
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77 echo " --enable-avfilter video filter support (replaces vhook) [default=no]"
78 echo " --enable-avfilter-lavf video filters dependant on avformat [default=no]"
e5f94c2b 79 echo " --enable-beosthreads use BeOS threads [default=no]"
d22e8442 80 echo " --enable-os2threads use OS/2 threads [default=no]"
74c53c2d 81 echo " --enable-pthreads use pthreads [default=no]"
eb113804 82 echo " --enable-w32threads use Win32 threads [default=no]"
56a059ac 83 echo " --enable-x11grab enable X11 grabbing [default=no]"
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84 echo
85 echo "External library support:"
5ce265a1 86 echo " --enable-mlib use Sun medialib [default=no]"
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87 echo " --enable-liba52 enable GPLed liba52 support [default=no]"
88 echo " --enable-liba52bin open liba52.so.0 at runtime [default=no]"
8ac17293 89 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
f5a756ef
DB
90 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
91 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
f7b8bffe
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92 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
93 echo " and libraw1394 [default=no]"
690bfceb 94 echo " --enable-libdirac enable Dirac support via libdirac [default=no]"
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95 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
96 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
06f32b26 97 echo " --enable-libfaadbin open libfaad.so.0 at runtime [default=no]"
dc922953 98 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
e2745046 99 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
31235134
DB
100 echo " --enable-libnut enable NUT (de)muxing via libnut,"
101 echo " native demuxer exists [default=no]"
f7cd9eed 102 echo " --enable-libschroedinger enable Dirac support via libschroedinger [default=no]"
71757822 103 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
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DB
104 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
105 echo " native implementation exists [default=no]"
1cc60c47
DB
106 echo " --enable-libx264 enable H.264 encoding via x264 [default=no]"
107 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
31235134 108 echo " native MPEG-4/Xvid encoder exists [default=no]"
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109 echo ""
110 echo "Advanced options (experts only):"
111 echo " --source-path=PATH path to source code [$source_path]"
112 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
db6107b6 113 echo " --enable-cross-compile assume a cross-compiler is used"
4f854758 114 echo " --target-os=OS compiler targets OS [$target_os]"
74c53c2d 115 echo " --cc=CC use C compiler CC [$cc]"
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116 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
117 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
118 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
119 echo " --build-suffix=SUFFIX suffix for application specific build []"
cc6a90dd 120 echo " --arch=ARCH select architecture [$arch]"
7c758d33
DB
121 echo " --cpu=CPU selects the minimum cpu required (affects"
122 echo " instruction selection, may crash on older CPUs)"
2b4c3615 123 echo " --enable-powerpc-perf enable performance report on PPC"
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124 echo " (requires enabling PMC)"
125 echo " --disable-mmx disable MMX usage"
064df5a9
PI
126 echo " --disable-mmx2 disable MMX2 usage"
127 echo " --disable-ssse3 disable SSSE3 usage"
1839e854 128 echo " --disable-armv5te disable armv5te usage"
edab3048 129 echo " --disable-armv6 disable armv6 usage"
f55b299a 130 echo " --disable-armvfp disable ARM VFP usage"
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131 echo " --disable-iwmmxt disable iwmmxt usage"
132 echo " --disable-altivec disable AltiVec usage"
74c53c2d 133 echo " --disable-network disable network support [default=no]"
0c7bb0e5 134 echo " --disable-ipv6 disable ipv6 support [default=no]"
74c53c2d 135 echo " --disable-zlib disable zlib [default=no]"
f402916e 136 echo " --disable-bzlib disable bzlib [default=no]"
74c53c2d 137 echo " --disable-vhook disable video hooking support"
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138 echo " --disable-mpegaudio-hp faster (but less accurate)"
139 echo " MPEG audio decoding [default=no]"
cde9e780 140 echo " --enable-gray enable full grayscale support (slower color)"
786b30af 141 echo " --disable-ffmpeg disable ffmpeg build"
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142 echo " --disable-ffserver disable ffserver build"
143 echo " --disable-ffplay disable ffplay build"
144 echo " --enable-small optimize for size instead of speed"
3abe5fbd 145 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
74c53c2d 146 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
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147 echo " --disable-encoder=NAME disables encoder NAME"
148 echo " --enable-encoder=NAME enables encoder NAME"
149 echo " --disable-decoder=NAME disables decoder NAME"
150 echo " --enable-decoder=NAME enables decoder NAME"
151 echo " --disable-encoders disables all encoders"
152 echo " --disable-decoders disables all decoders"
ff70e601
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153 echo " --disable-muxer=NAME disables muxer NAME"
154 echo " --enable-muxer=NAME enables muxer NAME"
74c53c2d 155 echo " --disable-muxers disables all muxers"
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156 echo " --disable-demuxer=NAME disables demuxer NAME"
157 echo " --enable-demuxer=NAME enables demuxer NAME"
74c53c2d 158 echo " --disable-demuxers disables all demuxers"
af9e7d18
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159 echo " --enable-parser=NAME enables parser NAME"
160 echo " --disable-parser=NAME disables parser NAME"
161 echo " --disable-parsers disables all parsers"
cd61e407
JM
162 echo " --enable-bsf=NAME enables bitstream filter NAME"
163 echo " --disable-bsf=NAME disables bitstream filter NAME"
164 echo " --disable-bsfs disables all bitstream filters"
c08fb000
AB
165 echo " --enable-protocol=NAME enables protocol NAME"
166 echo " --disable-protocol=NAME disables protocol NAME"
167 echo " --disable-protocols disables all protocols"
10d46dd0 168 echo " --disable-devices disables all devices"
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PI
169 echo " --list-decoders show all available decoders"
170 echo " --list-encoders show all available encoders"
171 echo " --list-muxers show all available muxers"
172 echo " --list-demuxers show all available demuxers"
173 echo " --list-parsers show all available parsers"
174 echo " --list-protocols show all available protocols"
175 echo " --list-bsfs show all available bitstream filters"
c552605c
DB
176 echo " --list-indevs show all available input devices"
177 echo " --list-outdevs show all available output devices"
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178 echo
179 echo "Developer options (useful when working on FFmpeg itself):"
9c56a1f9 180 echo " --disable-debug disable debugging symbols"
b7d49373 181 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
0a622b98 182 echo " --enable-gprof enable profiling with gprof [$gprof]"
d2bbb2f7 183 echo " --disable-optimizations disable compiler optimizations"
0a622b98 184 echo " --enable-extra-warnings enable more compiler warnings"
87a0fb62 185 echo " --disable-stripping disable stripping of executables and shared libraries"
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186 echo ""
187 echo "NOTE: Object files are built at the place where configure is launched."
188 exit 1
189}
cf9d24ad 190
57bd82d4 191log(){
2270b4b2 192 echo "$@" >> $logfile
57bd82d4
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193}
194
720c69da 195log_file(){
c8e9f801 196 log BEGIN $1
2270b4b2 197 pr -n -t $1 >> $logfile
c8e9f801
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198 log END $1
199}
200
2ba042a7 201echolog(){
c8e9f801 202 log "$@"
57bd82d4 203 echo "$@"
2ba042a7
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204}
205
206die(){
207 echolog "$@"
208 cat <<EOF
209If you think configure made a mistake, make sure you are using the latest
210version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 211ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 212EOF
e155a21a 213 if disabled logging; then
2ba042a7 214 cat <<EOF
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DB
215Rerun configure with logging enabled (do not use --disable-logging), and
216include the log this produces with your report.
2ba042a7
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217EOF
218 else
219cat <<EOF
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220Include the log file "$logfile" produced by configure as this will help
221solving the problem.
2ba042a7
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222EOF
223 fi
cea0ac52 224 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
57bd82d4
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225 exit 1
226}
227
6c6007d6 228# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 229toupper(){
6c6007d6 230 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
231}
232
4a5444db 233tolower(){
6c6007d6 234 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
235}
236
a8d04fba
MR
237set_all(){
238 value=$1
239 shift
240 for var in $*; do
241 eval $var=$value
242 done
243}
244
799c9e9b
MR
245pushvar(){
246 for var in $*; do
247 eval level=\${${var}_level:=0}
248 eval ${var}_${level}="\$$var"
249 eval ${var}_level=$(($level+1))
250 done
251}
252
253popvar(){
254 for var in $*; do
255 eval level=\${${var}_level:-0}
256 test $level = 0 && continue
257 eval level=$(($level-1))
258 eval $var="\${${var}_${level}}"
259 eval ${var}_level=$level
260 eval unset ${var}_${level}
261 done
262}
263
a8d04fba
MR
264enable(){
265 set_all yes $*
266}
267
268disable(){
269 set_all no $*
270}
271
57bd82d4 272enabled(){
3250003c
MR
273 test "${1#!}" = "$1" && op== || op=!=
274 eval test "x\$${1#!}" $op "xyes"
44161118
MR
275}
276
37970ebf 277disabled(){
3250003c
MR
278 test "${1#!}" = "$1" && op== || op=!=
279 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
280}
281
44161118
MR
282enabled_all(){
283 for opt; do
284 enabled $opt || return 1
285 done
286}
287
85bca2c5
DB
288disabled_all(){
289 for opt; do
290 disabled $opt || return 1
291 done
292}
293
44161118
MR
294enabled_any(){
295 for opt; do
296 enabled $opt && return 0
297 done
298}
299
85bca2c5
DB
300disabled_any(){
301 for opt; do
302 disabled $opt && return 0
303 done
304}
305
c9d19248
MR
306set_default(){
307 for opt; do
308 eval test -z "\$$opt" && eval $opt=\$${opt}_default
309 done
310}
311
4a0d6686
AJ
312is_in(){
313 value=$1
314 shift
315 for var in $*; do
316 [ $var = $value ] && return 0
317 done
318 return 1
319}
320
30fd06be
MR
321check_deps(){
322 for cfg; do
3250003c 323 cfg="${cfg#!}"
799c9e9b
MR
324 enabled ${cfg}_checking && die "Circular dependency for $cfg."
325 disabled ${cfg}_checking && continue
326 enable ${cfg}_checking
327
30fd06be
MR
328 eval dep_all="\$${cfg}_deps"
329 eval dep_any="\$${cfg}_deps_any"
799c9e9b
MR
330
331 pushvar cfg dep_all dep_any
332 check_deps $dep_all $dep_any
333 popvar cfg dep_all dep_any
334
30fd06be
MR
335 enabled_all $dep_all || disable $cfg
336 enabled_any $dep_any || disable $cfg
799c9e9b 337
4ec45764
RP
338 if enabled $cfg; then
339 eval dep_extralibs="\$${cfg}_extralibs"
340 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
341 fi
342
799c9e9b 343 disable ${cfg}_checking
30fd06be
MR
344 done
345}
346
44161118
MR
347print_config(){
348 pfx=$1
349 header=$2
350 makefile=$3
351 shift 3
352 for cfg; do
3d907e22 353 ucname="`toupper $cfg`"
44161118 354 if enabled $cfg; then
3d907e22
MR
355 echo "#define ${pfx}${ucname} 1" >> $header
356 echo "#define ENABLE_${ucname} 1" >> $header
357 echo "${pfx}${ucname}=yes" >> $makefile
358 else
359 echo "#define ENABLE_${ucname} 0" >> $header
44161118
MR
360 fi
361 done
57bd82d4
MR
362}
363
364flags_saved(){
2270b4b2 365 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
366}
367
dcd479c0 368save_flags(){
57bd82d4 369 flags_saved && return
dcd479c0
MR
370 SAVE_CFLAGS="$CFLAGS"
371 SAVE_LDFLAGS="$LDFLAGS"
372 SAVE_extralibs="$extralibs"
373}
374
375restore_flags(){
f5d28d10 376 flags_saved || return
dcd479c0
MR
377 CFLAGS="$SAVE_CFLAGS"
378 LDFLAGS="$SAVE_LDFLAGS"
379 extralibs="$SAVE_extralibs"
380 unset SAVE_CFLAGS
381 unset SAVE_LDFLAGS
382 unset SAVE_extralibs
383}
384
385temp_cflags(){
386 save_flags
387 CFLAGS="$CFLAGS $*"
388}
389
390temp_ldflags(){
391 save_flags
392 LDFLAGS="$LDFLAGS $*"
393}
394
395temp_extralibs(){
396 save_flags
397 extralibs="$extralibs $*"
398}
399
57bd82d4
MR
400append(){
401 var=$1
402 shift
403 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
404 eval "$var=\"\$$var $*\""
405}
406
407add_cflags(){
408 append CFLAGS "$@"
409}
410
411add_ldflags(){
412 append LDFLAGS "$@"
413}
414
415add_extralibs(){
416 append extralibs "$@"
417}
418
b0cfb663 419check_cmd(){
b3cb5d51 420 log "$@"
2270b4b2 421 "$@" >> $logfile 2>&1
b0cfb663
MR
422}
423
dcd479c0 424check_cc(){
57bd82d4 425 log check_cc "$@"
2270b4b2 426 cat > $TMPC
720c69da 427 log_file $TMPC
b0cfb663 428 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
429}
430
431check_cpp(){
432 log check_cpp "$@"
2270b4b2 433 cat > $TMPC
720c69da 434 log_file $TMPC
b0cfb663 435 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
436}
437
940f335a
MR
438check_asm(){
439 log check_asm "$@"
440 name="$1"
441 asm="$2"
442 shift 2
443 check_cc "$@" <<EOF && enable $name || disable $name
c23a0ac8 444int foo(void){ asm volatile($asm); }
940f335a
MR
445EOF
446}
447
304d586d
LM
448check_yasm(){
449 log check_yasm "$@"
450 echo "$1" > $TMPS
451 log_file $TMPS
452 shift 1
453 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
454}
455
dcd479c0 456check_ld(){
57bd82d4 457 log check_ld "$@"
0607887f 458 check_cc || return
3155a644
MR
459 flags=''
460 libs=''
461 for f; do
462 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
463 done
464 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
465}
466
467check_cflags(){
57bd82d4
MR
468 log check_cflags "$@"
469 check_cc "$@" <<EOF && add_cflags "$@"
dcd479c0
MR
470int x;
471EOF
472}
473
474check_ldflags(){
57bd82d4
MR
475 log check_ldflags "$@"
476 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 477int main(void){ return 0; }
dcd479c0
MR
478EOF
479}
480
481check_header(){
57bd82d4 482 log check_header "$@"
dcd479c0
MR
483 header=$1
484 shift
d8bc5f06
MR
485 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
486 disable $var
487 check_cpp "$@" <<EOF && enable $var
dcd479c0
MR
488#include <$header>
489int x;
490EOF
491}
492
493check_func(){
57bd82d4 494 log check_func "$@"
dcd479c0
MR
495 func=$1
496 shift
d8bc5f06
MR
497 disable $func
498 check_ld "$@" <<EOF && enable $func
dcd479c0 499extern int $func();
c23a0ac8 500int main(void){ $func(); }
dcd479c0
MR
501EOF
502}
503
2446d3d6
DB
504check_func_headers(){
505 log check_func_headers "$@"
f8d7b072
MR
506 headers=$1
507 func=$2
508 shift 2
509 disable $func
510 incs=""
511 for hdr in $headers; do
512 incs="$incs
513#include <$hdr>"
514 done
515 check_ld "$@" <<EOF && enable $func
516$incs
d6773f56 517int main(int argc, char **argv){
f8d7b072
MR
518 (void) $func;
519 return 0;
520}
521EOF
522}
523
57bd82d4
MR
524check_lib(){
525 log check_lib "$@"
526 header="$1"
527 func="$2"
528 shift 2
fcfcde17
MR
529 temp_extralibs "$@"
530 check_header $header && check_func $func && add_extralibs "$@"
531 err=$?
532 restore_flags
533 return $err
57bd82d4
MR
534}
535
f8d7b072
MR
536check_lib2(){
537 log check_lib2 "$@"
538 headers="$1"
539 func="$2"
540 shift 2
541 temp_extralibs "$@"
2446d3d6 542 check_func_headers "$headers" $func && add_extralibs "$@"
f8d7b072
MR
543 err=$?
544 restore_flags
545 return $err
546}
547
dcd479c0 548check_exec(){
2270b4b2 549 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
550}
551
7dfef245
MR
552check_exec_crash(){
553 code=`cat`
554
555 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
556 # are safe but may not be available everywhere. Thus we use
557 # raise(SIGTERM) instead. The check is run in a subshell so we
558 # can redirect the "Terminated" message from the shell. SIGBUS
559 # is not defined by standard C so it is used conditionally.
560
2270b4b2 561 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
562#include <signal.h>
563static void sighandler(int sig){
564 raise(SIGTERM);
565}
e5af4a11 566int main(void){
7dfef245
MR
567 signal(SIGILL, sighandler);
568 signal(SIGFPE, sighandler);
569 signal(SIGSEGV, sighandler);
570#ifdef SIGBUS
571 signal(SIGBUS, sighandler);
572#endif
573 { $code }
574}
575EOF
576}
577
72be9e73
DY
578check_type(){
579 log check_type "$@"
580 headers=$1
581 type=$2
582 shift 2
583 disable $type
584 incs=""
585 for hdr in $headers; do
586 incs="$incs
587#include <$hdr>"
588 done
589 check_cc "$@" <<EOF && enable $type
590$incs
591$type v;
592EOF
593}
594
57bd82d4
MR
595require(){
596 name="$1"
597 header="$2"
598 func="$3"
599 shift 3
600 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
601}
602
f8d7b072
MR
603require2(){
604 name="$1"
605 headers="$2"
606 func="$3"
607 shift 3
608 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
609}
610
eea50282
MR
611check_foo_config(){
612 cfg=$1
613 pkg=$2
614 header=$3
615 func=$4
616 shift 4
617 disable $cfg
618 check_cmd ${pkg}-config --version
619 err=$?
620 if test "$err" = 0; then
621 temp_cflags `${pkg}-config --cflags`
622 temp_extralibs `${pkg}-config --libs`
623 check_lib "$@" $header $func && enable $cfg
624 fi
625 return $err
626}
627
c505dd31
MR
628apply(){
629 file=$1
630 shift
631 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
632}
633
dcd61286
DB
634# CONFIG_LIST contains configurable options, while HAVE_LIST is for
635# system-dependent things.
636
4a0d6686
AJ
637COMPONENT_LIST="
638 bsfs
639 decoders
640 demuxers
641 encoders
3cde40aa 642 filters
c552605c 643 indevs
4a0d6686 644 muxers
c552605c 645 outdevs
4a0d6686
AJ
646 parsers
647 protocols
648"
649
650CONFIG_LIST="
651 $COMPONENT_LIST
f7679c54
VS
652 avfilter
653 avfilter_lavf
c88f5d72
MR
654 avisynth
655 beos_netserver
f402916e 656 bzlib
c88f5d72
MR
657 ffmpeg
658 ffplay
659 ffserver
660 gpl
ecfc4f44 661 gprof
d8d0d0b2 662 gray
3abe5fbd 663 hardcoded_tables
c88f5d72 664 ipv6
7bc5f2a8 665 liba52
f8904fd9 666 liba52bin
f5a756ef
DB
667 libamr_nb
668 libamr_wb
f7b8bffe 669 libdc1394
690bfceb 670 libdirac
2eed5a46
DB
671 libfaac
672 libfaad
673 libfaadbin
c88f5d72 674 libgsm
6ebe07fb 675 libmp3lame
c88f5d72 676 libnut
f7cd9eed 677 libschroedinger
150d2772 678 libtheora
c88f5d72 679 libvorbis
1cc60c47
DB
680 libx264
681 libxvid
c88f5d72 682 memalign_hack
a8150374 683 mlib
c88f5d72
MR
684 mpegaudio_hp
685 network
3fe142e2 686 nonfree
4a24ab64 687 postproc
2b4c3615 688 powerpc_perf
bd2216e4 689 small
13ca50f3 690 swscale
c88f5d72 691 vhook
56a059ac 692 x11grab
c88f5d72 693 zlib
4a0d6686 694"
c88f5d72 695
8eee7025
DB
696THREADS_LIST='
697 beosthreads
d22e8442 698 os2threads
8eee7025
DB
699 pthreads
700 w32threads
701'
702
3f5b56e5
MR
703ARCH_LIST='
704 alpha
705 armv4l
706 bfin
707 ia64
708 m68k
709 mips
710 parisc
711 powerpc
712 s390
713 sh4
714 sparc
715 sparc64
716 x86
717 x86_32
718 x86_64
719'
720
721ARCH_EXT_LIST='
1ac9331a 722 altivec
1ac9331a 723 armv5te
edab3048 724 armv6
f55b299a 725 armvfp
3f5b56e5
MR
726 iwmmxt
727 mmi
728 mmx
d7f0920b 729 mmx2
6b18d278 730 neon
9eeed841 731 ssse3
bd9d34a0 732 vis
3f5b56e5
MR
733'
734
735HAVE_LIST="
736 $ARCH_EXT_LIST
737 $THREADS_LIST
738 altivec_h
c9fdab0d 739 arpa_inet_h
6bd859d6 740 bswap
c88f5d72 741 byteswap_h
ecf97f22 742 closesocket
1ac9331a 743 cmov
e16e49ac 744 conio_h
c88f5d72 745 dcbzl
f8aa696f
DB
746 dev_bktr_ioctl_bt848_h
747 dev_bktr_ioctl_meteor_h
748 dev_ic_bt8xx_h
749 dev_video_meteor_ioctl_meteor_h
750 dev_video_bktr_ioctl_bt848_h
18b67ae5 751 dlfcn_h
c88f5d72 752 dlopen
245626d0
DB
753 ebp_available
754 ebx_available
c2a29455 755 fast_64bit
7073e9fc 756 fast_cmov
7b829d2a 757 fast_unaligned
9d99cc5a 758 fork
c88f5d72 759 freetype2
da9e86f8 760 gethrtime
4e68cb8a 761 GetProcessTimes
66be5b45 762 getrusage
c88f5d72 763 imlib2
2e1913b1 764 inet_aton
61d251db 765 inline_asm
0b4a1821
AS
766 libdc1394_1
767 libdc1394_2
a33cab3a
MK
768 llrint
769 lrint
c88f5d72 770 lrintf
f8aa696f
DB
771 machine_ioctl_bt848_h
772 machine_ioctl_meteor_h
c88f5d72
MR
773 malloc_h
774 memalign
6ffa87d3 775 mkstemp
b4e806b2 776 pld
9cafbd6c 777 ppc64
a33cab3a
MK
778 round
779 roundf
c88f5d72
MR
780 sdl
781 sdl_video_size
72be9e73 782 socklen_t
deb29777 783 soundcard_h
f8cda19e 784 poll_h
b58412f1 785 sys_mman_h
b091aa44 786 sys_resource_h
81644c2e 787 sys_select_h
deb29777 788 sys_soundcard_h
1b6e8b73 789 sys_videoio_h
e16e49ac 790 termios_h
b265431e 791 threads
6ff3f3e7 792 winsock2_h
304d586d 793 yasm
0cb78cef 794"
44161118 795
520cc7f1 796CMDLINE_SELECT="
3f5b56e5 797 $ARCH_EXT_LIST
520cc7f1 798 $CONFIG_LIST
8eee7025 799 $THREADS_LIST
db6107b6 800 cross_compile
520cc7f1
MR
801 debug
802 extra_warnings
8c6afa4d 803 logging
d2bbb2f7 804 optimizations
520cc7f1
MR
805 shared
806 static
87a0fb62 807 stripping
520cc7f1 808"
426be5dc
DB
809
810PATHS_LIST='
d156bede 811 bindir
26759c44
MR
812 incdir
813 libdir
26759c44
MR
814 mandir
815 prefix
816 shlibdir
426be5dc
DB
817'
818
819CMDLINE_SET="
820 $PATHS_LIST
821 arch
822 build_suffix
823 cc
824 cpu
825 cross_prefix
826 logfile
26759c44
MR
827 source_path
828 target_os
426be5dc 829"
520cc7f1 830
912f3148
DB
831# code dependency declarations
832
9eeed841
MR
833# architecture extensions
834altivec_deps="powerpc"
835armv5te_deps="armv4l"
836armv6_deps="armv4l"
f55b299a 837armvfp_deps="armv4l"
9eeed841 838iwmmxt_deps="armv4l"
e241ba14 839mmi_deps="mips"
9eeed841 840mmx_deps="x86"
fbef871d 841mmx2_deps="x86 mmx"
6b18d278 842neon_deps="armv4l"
9eeed841 843ssse3_deps="x86"
bd9d34a0 844vis_deps="sparc"
9eeed841 845
de0e19cc
MR
846# system headers and functions
847byteswap_h_deps="!armv4l"
848
912f3148 849# decoders / encoders
1b71f045 850ac3_decoder_deps="gpl !liba52"
33a0dd37 851dxa_decoder_deps="zlib"
406ab5cc 852eac3_decoder_deps="gpl"
30fd06be 853flashsv_decoder_deps="zlib"
773be23a 854flashsv_encoder_deps="zlib"
b517af05 855mlp_decoder_deps="mlp_parser"
30fd06be
MR
856mpeg_xvmc_decoder_deps="xvmc"
857png_decoder_deps="zlib"
858png_encoder_deps="zlib"
30fd06be
MR
859zmbv_decoder_deps="zlib"
860zmbv_encoder_deps="zlib"
861
912f3148 862# external libraries
7bc5f2a8 863liba52_decoder_deps="liba52"
4ec45764 864liba52bin_decoder_extralibs='$ldl'
f5a756ef
DB
865libamr_nb_decoder_deps="libamr_nb"
866libamr_nb_encoder_deps="libamr_nb"
867libamr_wb_decoder_deps="libamr_wb"
868libamr_wb_encoder_deps="libamr_wb"
1b71f045 869libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 870libdirac_encoder_deps="libdirac"
c9171a83 871libfaac_encoder_deps="libfaac"
69ddbd1d 872libfaad_decoder_deps="libfaad"
4ec45764 873libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
874libgsm_decoder_deps="libgsm"
875libgsm_encoder_deps="libgsm"
8ffed8d8
MR
876libgsm_ms_decoder_deps="libgsm"
877libgsm_ms_encoder_deps="libgsm"
1cc60c47 878libmp3lame_encoder_deps="libmp3lame"
f7cd9eed
AS
879libschroedinger_decoder_deps="libschroedinger"
880libschroedinger_encoder_deps="libschroedinger"
150d2772 881libtheora_encoder_deps="libtheora"
b0caf888 882libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
883libx264_encoder_deps="libx264"
884libxvid_encoder_deps="libxvid"
13566c31 885mpeg4aac_decoder_deps="libfaad"
30fd06be 886
912f3148 887# demuxers / muxers
03a76ba9 888ac3_demuxer_deps="ac3_parser"
50383e88 889audio_beos_demuxer_deps="audio_beos"
4ec45764 890audio_beos_demuxer_extralibs="-lmedia -lbe"
50383e88 891audio_beos_muxer_deps="audio_beos"
4ec45764 892audio_beos_muxer_extralibs="-lmedia -lbe"
53b73365 893avisynth_demuxer_deps="avisynth"
73483024 894bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
17ac9f1c 895dirac_demuxer_deps="dirac_parser"
fe9bb347 896dv1394_demuxer_deps="dv1394 dv_demuxer"
f7b8bffe 897libdc1394_demuxer_deps="libdc1394"
d7c59247
DB
898libnut_demuxer_deps="libnut"
899libnut_muxer_deps="libnut"
4bd8e17c 900mp3_demuxer_deps="mpegaudio_parser"
c7682de0
RP
901oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
902oss_muxer_deps_any="soundcard_h sys_soundcard_h"
30fd06be 903redir_demuxer_deps="network"
8eb793c4 904rtp_muxer_deps="network rtp_protocol"
95c21842
LA
905rtsp_demuxer_deps="sdp_demuxer"
906sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
06e31011 907v4l_demuxer_deps="linux_videodev_h"
1b6e8b73 908v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
c2345207
RP
909vfwcap_demuxer_deps="capCreateCaptureWindow"
910vfwcap_demuxer_extralibs="-lvfw32"
06eab4ba 911x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
4ec45764 912x11_grab_device_demuxer_extralibs="-lX11 -lXext"
30fd06be 913
912f3148 914# protocols
c08fb000
AB
915http_protocol_deps="network"
916rtp_protocol_deps="udp_protocol"
917tcp_protocol_deps="network"
918udp_protocol_deps="network"
919
f7679c54 920# filters
81124ba0 921movie_filter_deps="avfilter_lavf"
f7679c54 922
912f3148 923# programs
fa859b4d 924ffplay_deps="sdl"
6ad42348 925ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764
RP
926ffserver_extralibs='$ldl'
927vhook_extralibs='$ldl'
a2830dca 928
912f3148 929
de6d9b64 930# default parameters
8a608357 931
2ba042a7 932logfile="config.err"
8a608357
MR
933
934# installation paths
c9d19248
MR
935prefix_default="/usr/local"
936bindir_default='${prefix}/bin'
937incdir_default='${prefix}/include'
938libdir_default='${prefix}/lib'
939mandir_default='${prefix}/share/man'
940shlibdir_default="$libdir_default"
8a608357
MR
941
942# toolchain
de6d9b64 943cc="gcc"
304d586d 944yasmexe="yasm"
de6d9b64 945ar="ar"
503d5b58 946nm="nm"
be7109c1 947ranlib="ranlib"
0f3cb305 948strip="strip"
8a608357 949asmalign_pot="unknown"
20369773 950ln_s="ln -sf"
304d586d 951objformat="elf"
8a608357
MR
952
953# machine
cc6a90dd 954arch=`uname -m`
38d0a8aa 955cpu="generic"
8a608357 956
8a608357 957# OS
4f854758 958target_os=$(tolower $(uname -s))
8a608357 959
8a608357 960# libraries
f402916e 961enable bzlib
497237c7 962enable zlib
8a608357
MR
963
964# configurable options
497237c7 965enable debug
497237c7
RP
966enable ffmpeg
967enable ffplay
968enable ffserver
969enable ipv6
497237c7
RP
970enable mpegaudio_hp
971enable network
8400d6b8 972enable optimizations
497237c7 973enable protocols
530dc538 974enable static
87a0fb62 975enable stripping
8a608357
MR
976vhook="default"
977
8a608357 978# build settings
11a9d3e8 979add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 980SHFLAGS='-shared -Wl,-soname,$$(@F)'
cab3ef82 981VHOOKSHFLAGS='$(SHFLAGS)'
c536cb09 982FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
983LIBPREF="lib"
984LIBSUF=".a"
c5f14466
RP
985FULLNAME='$(NAME)$(BUILDSUF)'
986LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
987SLIBPREF="lib"
988SLIBSUF=".so"
c5f14466 989SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
990SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
991SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 992LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 993
315c741d 994# gcc stupidly only outputs the basename of targets with -MM
18c64005 995DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "1s,^,$(@D)/," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
315c741d 996
c597172e
MR
997# find source path
998source_path="`dirname \"$0\"`"
497237c7 999enable source_path_used
c597172e
MR
1000if test -z "$source_path" -o "$source_path" = "." ; then
1001 source_path="`pwd`"
497237c7 1002 disable source_path_used
c597172e
MR
1003else
1004 source_path="`cd \"$source_path\"; pwd`"
1005 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1006 die "Out of tree builds are impossible with whitespace in source path."
c597172e
MR
1007fi
1008
c597172e
MR
1009FFMPEG_CONFIGURATION="$@"
1010
73ef8980
MR
1011find_things(){
1012 thing=$1
1013 pattern=$2
1014 file=$source_path/$3
932ccf39 1015 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1016}
1017
1018ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1019DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1020PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1021BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1022MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1023DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1024OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1025INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1026PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1027FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1028
7483e694
DB
1029enable $ARCH_EXT_LIST \
1030 $DECODER_LIST \
1031 $ENCODER_LIST \
1032 $PARSER_LIST \
1033 $BSF_LIST \
1034 $DEMUXER_LIST \
1035 $MUXER_LIST \
f7679c54 1036 $FILTER_LIST \
7483e694
DB
1037 $PROTOCOL_LIST \
1038 $INDEV_LIST \
1039 $OUTDEV_LIST \
c597172e
MR
1040
1041die_unknown(){
1042 echo "Unknown option \"$1\"."
1043 echo "See $0 --help for available options."
1044 exit 1
1045}
1046
794f8e97 1047show_list() {
bf0c4afa
RP
1048 suffix=_$1
1049 shift
1050 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1051 exit 0
1052}
1053
c597172e 1054for opt do
7483e694
DB
1055 optval="${opt#*=}"
1056 case "$opt" in
7483e694
DB
1057 --extra-cflags=*) add_cflags "$optval"
1058 ;;
1059 --extra-ldflags=*) add_ldflags "$optval"
1060 ;;
1061 --extra-libs=*) add_extralibs "$optval"
1062 ;;
8fb1cb58 1063 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1064 ;;
40bcf4c7
BL
1065 --enable-debug=*) debuglevel="$optval"
1066 ;;
7483e694
DB
1067 --enable-*=*|--disable-*=*)
1068 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1069 case "$thing" in
81124ba0 1070 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1071 *) die_unknown "$opt" ;;
1072 esac
1073 ;;
1074 --enable-?*|--disable-?*)
1075 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
e3773a55
MR
1076 if is_in $option $COMPONENT_LIST; then
1077 eval $action \$$(toupper ${option%s})_LIST
1078 elif is_in $option $CMDLINE_SELECT; then
1079 $action $option
1080 else
1081 die_unknown $opt
1082 fi
7483e694
DB
1083 ;;
1084 --list-*)
1085 NAME="${opt#--list-}"
1086 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1087 NAME=${NAME%s}
1088 eval show_list $NAME \$$(toupper $NAME)_LIST
1089 ;;
1090 --help|-h) show_help
1091 ;;
1092 *)
26759c44
MR
1093 optname="${opt%=*}"
1094 optname="${optname#--}"
1095 optname=$(echo "$optname" | sed 's/-/_/g')
1096 is_in $optname $CMDLINE_SET || die_unknown $opt
1097 eval $optname='$optval'
7483e694
DB
1098 ;;
1099 esac
c597172e
MR
1100done
1101
bcea99bb
MR
1102disabled logging && logfile=/dev/null
1103
1104echo "# $0 $@" > $logfile
1105set >> $logfile
1106
adb2b908 1107cc="${cross_prefix}${cc}"
304d586d 1108yasmexe="${cross_prefix}${yasmexe}"
adb2b908
RP
1109ar="${cross_prefix}${ar}"
1110nm="${cross_prefix}${nm}"
1111ranlib="${cross_prefix}${ranlib}"
1112strip="${cross_prefix}${strip}"
1113
e4e69e0b
MR
1114# set temporary file name
1115if test ! -z "$TMPDIR" ; then
1116 TMPDIR1="${TMPDIR}"
1117elif test ! -z "$TEMPDIR" ; then
1118 TMPDIR1="${TEMPDIR}"
1119else
1120 TMPDIR1="/tmp"
1121fi
1122
1123TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1124TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1125TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1126TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1127TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1128TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1129
e9b9a2f8
MN
1130check_cflags -fasm
1131check_cflags -std=c99
1132
b24dbcbd
RP
1133case "$arch" in
1134 i386|i486|i586|i686|i86pc|BePC)
1135 arch="x86_32"
1136 enable fast_unaligned
1137 ;;
1138 x86_64|amd64)
1139 arch="x86_32"
1140 enable fast_unaligned
1141 check_cc <<EOF && enable fast_64bit && arch="x86_64"
1142 int test[sizeof(char*) - 7];
1143EOF
1144 ;;
1145 # armv4l is a subset of armv[567]*l
1146 arm|armv[4567]*l)
1147 arch="armv4l"
1148 ;;
1149 alpha)
1150 arch="alpha"
1151 enable fast_64bit
1152 ;;
1153 "Power Macintosh"|ppc|powerpc)
1154 arch="powerpc"
1155 ;;
1156 ppc64)
1157 arch="powerpc"
1158 enable fast_64bit
1159 ;;
1160 mips|mipsel|IP*)
1161 arch="mips"
1162 ;;
1163 sun4u|sparc64)
1164 arch="sparc64"
1165 enable fast_64bit
1166 ;;
1167 sparc)
1168 arch="sparc"
1169 ;;
1170 sh4)
1171 arch="sh4"
1172 ;;
1173 parisc)
1174 arch="parisc"
1175 ;;
1176 parisc64)
1177 arch="parisc"
1178 enable fast_64bit
1179 ;;
1180 s390|s390x)
1181 arch="s390"
1182 ;;
1183 m68k)
1184 arch="m68k"
1185 ;;
1186 ia64)
1187 arch="ia64"
1188 enable fast_64bit
1189 ;;
1190 bfin)
1191 arch="bfin"
1192 ;;
1193 *)
1194 arch="unknown"
1195 ;;
1196esac
1197
1198enable $arch
1199enabled_any x86_32 x86_64 && enable x86
1200enabled sparc64 && enable sparc
1201
7483e694 1202# OS specific
4f854758 1203case $target_os in
7483e694 1204 beos|haiku|zeta)
c9d19248 1205 prefix_default="$HOME/config"
7483e694
DB
1206 # helps building libavcodec
1207 add_cflags "-DPIC -fomit-frame-pointer"
1208 # 3 gcc releases known for BeOS, each with ugly bugs
1209 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1210 case "$gcc_version" in
1211 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1212 disable mmx
1213 ;;
1214 *20010315*) echo "BeBits gcc"
1215 add_cflags "-fno-expensive-optimizations"
1216 ;;
1217 esac
7483e694
DB
1218 SHFLAGS=-nostart
1219 # enable BeOS things
1220 enable audio_beos
1221 # no need for libm, but the inet stuff
1222 # Check for BONE
1223 # XXX: actually should check for NOT net_server
78fe7631 1224 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1225 network_extralibs="-lbind -lsocket"
1226 else
1227 enable beos_netserver
1228 network_extralibs="-lnet"
1229 fi ;;
1230 sunos)
1231 FFSERVERLDFLAGS=""
9987769a 1232 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694
DB
1233 network_extralibs="-lsocket -lnsl"
1234 ;;
1235 netbsd)
1236 oss_demuxer_extralibs="-lossaudio"
1237 oss_muxer_extralibs="-lossaudio"
1238 ;;
1239 openbsd)
1240 disable need_memalign
1241 LIBOBJFLAGS='$(PIC)'
7483e694
DB
1242 SHFLAGS='-shared'
1243 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1244 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1245 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1246 oss_demuxer_extralibs="-lossaudio"
1247 oss_muxer_extralibs="-lossaudio"
1248 ;;
1249 freebsd)
1250 disable need_memalign
1251 ;;
1252 bsd/os)
1253 osextralibs="-lpoll -lgnugetopt"
1254 strip="strip -d"
1255 ;;
1256 darwin)
1257 disable need_memalign
0138c54e 1258 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
9987769a 1259 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
7483e694
DB
1260 strip="strip -x"
1261 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1262 SLIBSUF=".dylib"
1263 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1264 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1265 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1266 objformat="macho"
1b0f6fb8 1267 enabled x86_64 && objformat="macho64"
7483e694
DB
1268 ;;
1269 mingw32*)
4f854758 1270 target_os=mingw32
dcc01c06
RP
1271 LIBTARGET=i386
1272 if test $arch = x86_64; then
1273 disable need_memalign
1274 LIBTARGET=x64
1275 fi
fbd971a4 1276 shlibdir_default="$bindir_default"
7483e694
DB
1277 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1278 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1279 if enabled swscale; then
7483e694
DB
1280 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1281 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1282 fi
1283 disable ffserver
1284 SLIBPREF=""
1285 SLIBSUF=".dll"
1286 EXESUF=".exe"
1287 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1288 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
dcc01c06 1289 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1290 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1291 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1292 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
71c61f62 1293 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1294 objformat="win32"
7483e694
DB
1295 ;;
1296 cygwin*)
4f854758 1297 target_os=cygwin
fbd971a4 1298 shlibdir_default="$bindir_default"
7483e694
DB
1299 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1300 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1301 if enabled swscale; then
7483e694
DB
1302 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1303 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1304 fi
1305 EXESUF=".exe"
1306 SLIBPREF="cyg"
1307 SLIBSUF=".dll"
1308 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1309 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1310 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1311 objformat="win32"
7483e694 1312 ;;
4f365f37 1313 *-dos|freedos|opendos)
4f365f37
MK
1314 disable ffplay ffserver vhook
1315 disable $INDEV_LIST $OUTDEV_LIST
1316 network_extralibs="-lsocket"
1317 EXESUF=".exe"
304d586d 1318 objformat="win32"
4f365f37 1319 ;;
7483e694 1320 linux)
7483e694
DB
1321 enable dv1394
1322 ;;
1323 irix*)
4f854758 1324 target_os=irix
7483e694
DB
1325 ranlib="echo ignoring ranlib"
1326 ;;
d22e8442 1327 os/2*)
d22e8442
DY
1328 strip="lxlite"
1329 ln_s="cp -f"
d22e8442
DY
1330 EXESUF=".exe"
1331 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1332 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1333 FFSERVERLDFLAGS=""
287d3b13 1334 LIBSUF="_s.a"
d22e8442
DY
1335 SLIBPREF=""
1336 SLIBSUF=".dll"
1337 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1338 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1339 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1340 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1341 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1342 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1343 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1344 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1345 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1346 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1347 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1348 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
c6eed369 1349 disable vhook
d22e8442 1350 ;;
269820f1
PR
1351 interix)
1352 disable vhook
1353 ;;
d22e8442 1354
7483e694 1355 *)
4f854758 1356 target_os="${target_os}-UNKNOWN"
7483e694
DB
1357 ;;
1358esac
1359
c9d19248
MR
1360set_default $PATHS_LIST
1361
c597172e 1362add_extralibs $osextralibs
de6d9b64 1363
28d8e661
DB
1364# Combine FFLDFLAGS and the LDFLAGS environment variable.
1365LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1366
497237c7 1367test -n "$cross_prefix" && enable cross_compile
1ea46bed 1368
320d060a 1369# we need to build at least one lib type
93b3c083 1370if ! enabled_any static shared; then
320d060a
DB
1371 cat <<EOF
1372At least one library type must be built.
1373Specify --enable-static to build the static libraries or --enable-shared to
1374build the shared libraries as well. To only build the shared libraries specify
1375--disable-static in addition to --enable-shared.
1376EOF
1377 exit 1;
1378fi
1379
abc4e572 1380disabled static && LIBNAME=""
2a320695 1381
a2234ceb
RP
1382if enabled_any libfaad libfaadbin ; then
1383 if check_header faad.h; then
1384 check_cc << EOF
1385#include <faad.h>
1386#ifndef FAAD2_VERSION
1387ok faad1
1388#endif
db817cf3 1389int main(void) { return 0; }
a2234ceb
RP
1390EOF
1391 test $? = 0 && enable libfaad2
1392 else
ff3dac65 1393 die "FAAD test failed."
a2234ceb
RP
1394 fi
1395fi
1396
1397
93b3c083 1398if ! enabled gpl; then
54118497
RP
1399 die_gpl_disabled(){
1400 name=$1
1401 shift
1402 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1403 }
4a24ab64 1404 die_gpl_disabled "The Postprocessing code" postproc
7bc5f2a8 1405 die_gpl_disabled "liba52" liba52
1cc60c47
DB
1406 die_gpl_disabled "libx264" libx264
1407 die_gpl_disabled "libxvidcore" libxvid
54118497
RP
1408 die_gpl_disabled "FAAD2" libfaad2
1409 die_gpl_disabled "The X11 grabber" x11grab
13ca50f3 1410 die_gpl_disabled "The software scaler" swscale
ebb810d9 1411fi
b2e3c528 1412
3fe142e2
DB
1413if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1414 die "libamr is nonfree and --enable-nonfree is not specified."
1415fi
1416
9eeed841 1417check_deps $ARCH_EXT_LIST
0f3cb305 1418
5d323602
MR
1419test -z "$need_memalign" && need_memalign="$mmx"
1420
cf9d24ad 1421#Darwin CC versions
4f854758 1422if test $target_os = darwin; then
3dddba4b 1423 if $cc -v 2>&1 | grep -q xlc; then
30a3e5d4 1424 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
cf9d24ad 1425 else
8541cc27 1426 add_cflags "-pipe"
26c1b3be
DB
1427 check_cflags "-force_cpusubtype_ALL"
1428 check_cflags "-Wno-sign-compare"
f946a9a4 1429 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1430 fi
2a1a6b64
MN
1431fi
1432
40617a6d 1433disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1434
a4adb608 1435# Add processor-specific flags
38d0a8aa 1436if test $cpu != "generic"; then
bc8ec47b
MR
1437 warn_altivec(){
1438 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1439 }
38d0a8aa 1440 case $cpu in
bb270c08 1441 601|ppc601|PowerPC601)
1c5d830c 1442 add_cflags "-mcpu=601"
bc8ec47b 1443 warn_altivec enabled PPC601
bb270c08
DB
1444 ;;
1445 603*|ppc603*|PowerPC603*)
1c5d830c 1446 add_cflags "-mcpu=603"
bc8ec47b 1447 warn_altivec enabled PPC603
bb270c08
DB
1448 ;;
1449 604*|ppc604*|PowerPC604*)
1c5d830c 1450 add_cflags "-mcpu=604"
bc8ec47b 1451 warn_altivec enabled PPC604
bb270c08
DB
1452 ;;
1453 G3|g3|75*|ppc75*|PowerPC75*)
1c5d830c 1454 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
bc8ec47b 1455 warn_altivec enabled PPC75x
bb270c08
DB
1456 ;;
1457 G4|g4|745*|ppc745*|PowerPC745*)
1c5d830c 1458 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
bc8ec47b 1459 warn_altivec disabled PPC745x
bb270c08
DB
1460 ;;
1461 74*|ppc74*|PowerPC74*)
1c5d830c 1462 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
bc8ec47b 1463 warn_altivec disabled PPC74xx
bb270c08
DB
1464 ;;
1465 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1c5d830c 1466 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
bc8ec47b 1467 warn_altivec disabled PPC970
9cafbd6c 1468 enable ppc64
bb270c08 1469 ;;
e07e357d
LB
1470 Cell|CELL|cell)
1471 add_cflags "-mcpu=cell"
1472 warn_altivec disabled Cell
9cafbd6c 1473 enable ppc64
e07e357d 1474 ;;
e7768fc5
GP
1475 # targets that do NOT support conditional mov (cmov)
1476 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
38d0a8aa 1477 add_cflags "-march=$cpu"
497237c7 1478 disable cmov
e7768fc5
GP
1479 ;;
1480 # targets that do support conditional mov (cmov)
416519dd 1481 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
e7768fc5 1482 add_cflags "-march=$cpu"
497237c7
RP
1483 enable cmov
1484 enable fast_cmov
94e4c3a3
GP
1485 ;;
1486 # targets that do support conditional mov but on which it's slow
800a5a19 1487 pentium4|pentium4m|prescott|nocona)
94e4c3a3 1488 add_cflags "-march=$cpu"
497237c7
RP
1489 enable cmov
1490 disable fast_cmov
bb270c08 1491 ;;
d7b34d08 1492 sparc64)
1c5d830c 1493 add_cflags "-mcpu=v9"
d7b34d08 1494 ;;
265de665 1495 arm*|cortex*)
6b19786b
MR
1496 add_cflags "-mcpu=$cpu"
1497 ;;
bb270c08 1498 *)
7483e694 1499 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1500 ;;
a4adb608
MN
1501 esac
1502fi
1503
be0d52ab 1504# make sure we can execute files in $TMPDIR
2270b4b2 1505cat > $TMPSH 2>> $logfile <<EOF
be0d52ab
MR
1506#! /bin/sh
1507EOF
2270b4b2
DB
1508chmod +x $TMPSH >> $logfile 2>&1
1509if ! $TMPSH >> $logfile 2>&1; then
be0d52ab
MR
1510 cat <<EOF
1511Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
68300911
DB
1512variable to another directory and make sure that $TMPDIR1 is not mounted
1513noexec.
be0d52ab
MR
1514EOF
1515 die "Sanity test failed."
1516fi
edd08265 1517rm $TMPSH
be0d52ab 1518
1a268acc
MR
1519# compiler sanity check
1520check_exec <<EOF
c23a0ac8 1521int main(void){ return 0; }
1a268acc
MR
1522EOF
1523if test "$?" != 0; then
1524 echo "$cc is unable to create an executable file."
93b3c083 1525 if test -z "$cross_prefix" && ! enabled cross_compile ; then
db6107b6 1526 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
c7ae6345 1527 echo "Only do this if you know what cross compiling means."
1a268acc
MR
1528 fi
1529 die "C compiler test failed."
1530fi
1531
b4d96ba2
MR
1532check_cc <<EOF || die "Symbol mangling check failed."
1533int ff_extern;
1534EOF
2f05d9c1 1535sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1536extern_prefix=${sym%%ff_extern*}
1537
61d251db
MR
1538check_asm inline_asm '""'
1539
9eeed841 1540if enabled x86; then
44965991
PI
1541 # check whether EBP is available on x86
1542 # As 'i' is stored on the stack, this program will crash
1543 # if the base pointer is used to access it because the
1544 # base pointer is cleared in the inline assembly code.
7dfef245 1545 check_exec_crash <<EOF && enable ebp_available
44965991
PI
1546 volatile int i=0;
1547 asm volatile (
1548 "xorl %%ebp, %%ebp"
1549 ::: "%ebp");
1550 return i;
44965991
PI
1551EOF
1552
1553 # check wether EBX is available on x86
940f335a 1554 check_asm ebx_available '"":::"%ebx"'
8e380710 1555
d7f0920b 1556 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1557 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
d7f0920b 1558 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
6bd859d6
MR
1559
1560 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d
LM
1561
1562 YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1563 enabled x86_64 && append YASMFLAGS "-m amd64"
1564 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1565 case "$objformat" in
1566 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1567 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1568 *) append YASMFLAGS "-DPREFIX" ;;
1569 esac
1570 check_yasm "pabsw xmm0, xmm0" && enable yasm
44965991
PI
1571fi
1572
87ea51e0
LB
1573# check for assembler specific support
1574
cc6a90dd 1575if test $arch = "powerpc"; then
497237c7 1576check_cc <<EOF && enable dcbzl
87ea51e0
LB
1577int main(void) {
1578 register long zero = 0;
1579 char data[1024];
1580 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1581return 0;
1582}
1583EOF
1584fi
1585
57bd82d4
MR
1586# check for SIMD availability
1587
115329f1 1588# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1589if enabled altivec; then
3ed1a2ee
DB
1590 check_cflags -maltivec -mabi=altivec &&
1591 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1592 check_cflags -faltivec
b6e52719 1593
0182fee8 1594 # check if our compiler supports Motorola AltiVec C API
497237c7 1595 check_cc <<EOF || disable altivec
dcd479c0 1596$inc_altivec_h
a9a07762
MN
1597int main(void) {
1598 vector signed int v1, v2, v3;
1599 v1 = vec_add(v2,v3);
1600 return 0;
1601}
1602EOF
b006b26c
DB
1603
1604 # check if our compiler supports braces for vector declarations
80a61f08 1605 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 1606$inc_altivec_h
80a61f08 1607int main (void) { (vector int) {1}; return 0; }
b006b26c 1608EOF
a9a07762 1609fi
ab6c65f6 1610
b4e806b2
MC
1611# We have to check if pld is a nop and disable it.
1612enabled armv4l && check_asm pld '"pld [r0]"'
940f335a
MR
1613enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1614enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
f55b299a 1615enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
1616enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1617enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 1618enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 1619enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 1620
8b03def6
DB
1621enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1622
57bd82d4
MR
1623# ---
1624# big/little-endian test
9eebe687
MR
1625check_cc <<EOF || die "endian test failed"
1626unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 1627EOF
d04d9e16 1628od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 1629
a3999908 1630# ---
3d204385
NK
1631# check availability of some header files
1632
a98bb16d
RP
1633if check_func dlopen; then
1634 ldl=
1635elif check_func dlopen -ldl; then
1636 ldl=-ldl
8bf5d58f
MN
1637fi
1638
7483e694
DB
1639check_func fork
1640check_func gethrtime
1641check_func getrusage
094c09bb 1642check_func inet_aton $network_extralibs
7483e694
DB
1643check_func memalign
1644check_func mkstemp
2446d3d6 1645check_func_headers windows.h GetProcessTimes
6ffa87d3 1646
a98bb16d 1647check_header byteswap.h
e16e49ac 1648check_header conio.h
a98bb16d
RP
1649check_header dlfcn.h
1650check_header malloc.h
bf6ce82d 1651check_header poll.h
b58412f1 1652check_header sys/mman.h
b091aa44 1653check_header sys/resource.h
bf6ce82d 1654check_header sys/select.h
a98bb16d
RP
1655check_header termios.h
1656
1657if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1658 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1659fi
e16e49ac 1660
e8214e0e 1661enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
f402916e 1662enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
1663
1664# check for some common methods of building with pthread support
1665# do this before the optional library checks as some of them require pthreads
1666if enabled pthreads; then
9e7fd101
MR
1667 if check_func pthread_create; then
1668 :
1669 elif check_func pthread_create -pthread; then
1670 add_cflags -pthread
afc9aee2 1671 add_extralibs -pthread
9e7fd101
MR
1672 elif check_func pthread_create -pthreads; then
1673 add_cflags -pthreads
afc9aee2 1674 add_extralibs -pthreads
8d94f606
GT
1675 elif check_func pthread_create -lpthreadGC2; then
1676 add_extralibs -lpthreadGC2
9e7fd101
MR
1677 elif ! check_lib pthread.h pthread_create -lpthread; then
1678 die "ERROR: can't find pthreads library"
1679 fi
57bd82d4
MR
1680fi
1681
8eee7025 1682for thread in $THREADS_LIST; do
e5f94c2b 1683 if enabled $thread; then
3ae3b721
RP
1684 test -n "$thread_type" &&
1685 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 1686 thread_type="$thread"
e5f94c2b
RP
1687 fi
1688done
1689
fdf88598
MR
1690check_lib math.h sin -lm
1691
a33cab3a
MK
1692# test for C99 functions in math.h
1693for func in llrint lrint lrintf round roundf; do
1694 check_exec <<EOF && enable $func || disable $func
f32adb22 1695#include <math.h>
a33cab3a 1696int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 1697EOF
a33cab3a 1698done
f32adb22 1699
57bd82d4 1700# these are off by default, so fail if requested and not available
79fda097 1701enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
7483e694
DB
1702enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1703enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1704enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
690bfceb
AS
1705enabled libdirac && add_cflags "$(pkg-config --cflags dirac)" \
1706 && require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder \
1707 && require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
1708enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1709enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694
DB
1710enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1711enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1712enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
f7cd9eed 1713enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) \
0eeb52f9 1714 && require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
7483e694
DB
1715enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1716enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
18ee626c 1717enabled libx264 && require x264 x264.h x264_encoder_open -lx264 -lm
7483e694
DB
1718enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1719enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 1720
0b4a1821
AS
1721# libdc1394 check
1722if enabled libdc1394; then
1723 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1724 enable libdc1394_2; } ||
1725 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1726 enable libdc1394_1; } ||
1727 die "ERROR: No version of libdc1394 found "
1728fi
1729
1730
c13e1abd
FH
1731_restrict=
1732for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 1733 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
1734void foo(char * $restrict_keyword p);
1735EOF
c13e1abd
FH
1736done
1737
703afd07 1738test "$vhook" = "default" && vhook="$dlopen"
a8721c09 1739
4f854758 1740if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
497237c7 1741 disable vhook
fbb9d104 1742 echo
b0268cc0 1743 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
fbb9d104
VP
1744 echo "Patches welcome."
1745 echo
1746fi
1747
8d923001
MR
1748if enabled vhook; then
1749 check_ldflags -rdynamic
1750 check_ldflags -export-dynamic
1751fi
bfd2edeb 1752
eea50282
MR
1753check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1754check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
04511d53 1755
a86b921c 1756##########################################
29799f8b 1757# SDL check
a86b921c 1758
497237c7
RP
1759disable sdl_too_old
1760disable sdl
6a1a892f 1761SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 1762if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
225e21ef
MR
1763 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1764 temp_cflags $sdl_cflags
dcd479c0 1765 temp_extralibs `"${SDL_CONFIG}" --libs`
1ca5d97f 1766 if check_lib2 SDL.h SDL_Init; then
dcd479c0 1767 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
29f3b38a 1768 if test "$_sdlversion" -lt 121 ; then
497237c7 1769 enable sdl_too_old
dcd479c0 1770 else
497237c7 1771 enable sdl
225e21ef 1772 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 1773#include <SDL.h>
d6773f56 1774int main(int argc, char **argv){
29f3b38a
MR
1775 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1776 int w = vi->current_w;
1777 return 0;
1778}
1779EOF
dcd479c0
MR
1780 fi
1781 fi
29f3b38a 1782 restore_flags
c3f6b472 1783fi
57bd82d4 1784
2270b4b2 1785texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 1786
7a91333f 1787##########################################
73b46a95
RP
1788# Network check
1789
1790if enabled network; then
668b65bd 1791 check_type sys/socket.h socklen_t
73b46a95
RP
1792 # Prefer arpa/inet.h over winsock2
1793 if check_header arpa/inet.h ; then
1794 check_func closesocket
1795 elif check_header winsock2.h ; then
ea10ddde 1796 network_extralibs="-lws2_32"
72be9e73 1797 check_type ws2tcpip.h socklen_t
2446d3d6 1798 check_func_headers winsock2.h closesocket
73b46a95
RP
1799 fi
1800fi
1801
1802##########################################
29799f8b 1803# IPv6 check
7a91333f 1804
497237c7 1805enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
1806#include <sys/types.h>
1807#include <sys/socket.h>
1808#include <netinet/in.h>
1809#include <netdb.h>
db817cf3 1810int main(void) {
7483e694
DB
1811 struct sockaddr_storage saddr;
1812 struct ipv6_mreq mreq6;
1813 getaddrinfo(0,0,0,0);
1814 getnameinfo(0,0,0,0,0,0,0);
1815 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
1816}
1817EOF
1818
06e31011
RP
1819check_header linux/videodev.h
1820check_header linux/videodev2.h
1b6e8b73 1821check_header sys/videoio.h
47f38850 1822
2446d3d6 1823check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 1824
f8aa696f 1825# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
1826{ check_header dev/bktr/ioctl_meteor.h &&
1827 check_header dev/bktr/ioctl_bt848.h; } ||
1828{ check_header machine/ioctl_meteor.h &&
1829 check_header machine/ioctl_bt848.h; } ||
1830{ check_header dev/video/meteor/ioctl_meteor.h &&
1831 check_header dev/video/bktr/ioctl_bt848.h; } ||
1832check_header dev/ic/bt8xx.h
f8aa696f 1833
c7682de0
RP
1834check_header sys/soundcard.h
1835check_header soundcard.h
deb29777 1836
7483e694 1837# deal with the X11 frame grabber
56a059ac 1838enabled x11grab &&
f58f4ce1
GP
1839check_header X11/Xlib.h &&
1840check_header X11/extensions/XShm.h &&
1841check_func XOpenDisplay -lX11 &&
06eab4ba 1842check_func XShmCreateImage -lX11 -lXext
f58f4ce1 1843
40bcf4c7 1844enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
1845
1846# add some useful compiler flags if supported
1847check_cflags -Wdeclaration-after-statement
dcd479c0
MR
1848check_cflags -Wall
1849check_cflags -Wno-switch
c07bd6a9
MN
1850check_cflags -Wdisabled-optimization
1851check_cflags -Wpointer-arith
1852check_cflags -Wredundant-decls
cc1fb623 1853check_cflags -Wno-pointer-sign
f4929996 1854check_cflags -Wcast-qual
9aceb3cf 1855check_cflags -Wwrite-strings
652a5bf6 1856check_cflags -Wtype-limits
5af4e0cc 1857enabled extra_warnings && check_cflags -Winline
cf9d24ad 1858
57bd82d4 1859# add some linker flags
5c0e9479 1860check_ldflags -Wl,--warn-common
8351d2ba
DB
1861check_ldflags -Wl,--as-needed
1862check_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'
c2fd6530 1863check_ldflags -Wl,-Bsymbolic
94a3401e 1864
bd2216e4
MR
1865if enabled small; then
1866 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
1867 optimizations="small"
1868elif enabled optimizations; then
3dddba4b 1869 if $cc -v 2>&1 | grep -q xlc; then
30a3e5d4
NP
1870 add_cflags "-O5"
1871 add_ldflags "-O5"
cf9d24ad 1872 else
30a3e5d4 1873 add_cflags "-O3"
cf9d24ad 1874 fi
cddf3f45 1875fi
11fdbc44 1876check_cflags -fno-math-errno
b2eb2ff0 1877check_cflags -fno-signed-zeros
cddf3f45 1878
504a64b9
CEH
1879# add some flags for Intel C Compiler
1880if $cc --version | grep -q Intel; then
1881 # Just warnings, no remarks
1882 check_cflags -w1
1883 # -wd: Disable following warnings
1884 # 144, 167, 556: -Wno-pointer-sign
1885 # 10006: ignoring unknown option -fno-signed-zeros
1886 # 10156: ignoring option '-W'; no argument required
1887 check_cflags -wd144,167,556,10006,10156
1888 # 11030: Warning unknown option --as-needed
1889 # 10156: ignoring option '-export'; no argument required
1890 check_ldflags -wd10156,11030
907eb3b5
CEH
1891 # Allow to compile with optimizations
1892 check_ldflags -march=$cpu
504a64b9
CEH
1893fi
1894
80581e98 1895# PIC flags for shared library objects where they are needed
5af4e0cc 1896if enabled shared; then
569cb218
MR
1897 # LIBOBJFLAGS may have already been set in the OS configuration
1898 if test -z "$LIBOBJFLAGS" ; then
1899 case "$arch" in
b6bd7268 1900 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
1901 esac
1902 fi
80581e98
MN
1903fi
1904
90be59ef 1905if enabled gprof; then
30a3e5d4
NP
1906 add_cflags "-p"
1907 add_ldflags "-p"
1db54e20
DB
1908fi
1909
3b26ee47 1910VHOOKCFLAGS="-fPIC"
18451f7d 1911
7f3c02fc 1912# Find out if the .align argument is a power of two or not.
4454dc1b 1913if test $asmalign_pot = "unknown"; then
497237c7
RP
1914 disable asmalign_pot
1915 echo 'asm (".align 3");' | check_cc && enable asmalign_pot
4454dc1b
JD
1916fi
1917
7483e694
DB
1918enabled_any $DECODER_LIST && enable decoders
1919enabled_any $ENCODER_LIST && enable encoders
1920enabled_any $BSF_LIST && enable bsfs
1921enabled_any $DEMUXER_LIST && enable demuxers
1922enabled_any $MUXER_LIST && enable muxers
f7679c54 1923enabled_any $FILTER_LIST && enable filters
7483e694
DB
1924enabled_any $INDEV_LIST && enable demuxers
1925enabled_any $OUTDEV_LIST && enable muxers
1926enabled_any $PROTOCOL_LIST && enable protocols
1927
1928enabled_any $THREADS_LIST && enable threads
1929
1930check_deps $CONFIG_LIST \
1931 $HAVE_LIST \
1932 $DECODER_LIST \
1933 $ENCODER_LIST \
1934 $PARSER_LIST \
1935 $BSF_LIST \
1936 $DEMUXER_LIST \
1937 $MUXER_LIST \
f7679c54 1938 $FILTER_LIST \
7483e694
DB
1939 $INDEV_LIST \
1940 $OUTDEV_LIST \
1941 $PROTOCOL_LIST \
f70f03f6 1942
f7b8bffe 1943enabled libdc1394 && append pkg_requires "libraw1394"
690bfceb 1944enabled libdirac && append pkg_requires "dirac"
fb2ce7d9 1945enabled libtheora && append pkg_requires "theora"
f9def9cc 1946enabled libvorbis && append pkg_requires "vorbisenc"
fb2ce7d9 1947
3e89171a 1948echo "install prefix $prefix"
f36958f8
DB
1949echo "source path $source_path"
1950echo "C compiler $cc"
bfd5afd8 1951echo ".align is power-of-two $asmalign_pot"
f36958f8 1952echo "ARCH $arch ($cpu)"
ce8871c2
MR
1953if test "$build_suffix" != ""; then
1954 echo "build suffix $build_suffix"
eb94aca9 1955fi
0db2ce77 1956echo "big-endian ${bigendian-no}"
419b8784 1957if test $arch = "x86_32" -o $arch = "x86_64"; then
af44e8e4 1958 echo "yasm ${yasm-no}"
0db2ce77
MR
1959 echo "MMX enabled ${mmx-no}"
1960 echo "CMOV enabled ${cmov-no}"
1961 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
1962 echo "EBX available ${ebx_available-no}"
1963 echo "EBP available ${ebp_available-no}"
e41e8342 1964fi
cc6a90dd 1965if test $arch = "armv4l"; then
0db2ce77
MR
1966 echo "ARMv5TE enabled ${armv5te-no}"
1967 echo "ARMv6 enabled ${armv6-no}"
f55b299a 1968 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 1969 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 1970 echo "NEON enabled ${neon-no}"
eba9ae3c 1971fi
e241ba14 1972if test $arch = "mips"; then
0db2ce77 1973 echo "MMI enabled ${mmi-no}"
e41e8342 1974fi
cc6a90dd 1975if test $arch = "powerpc"; then
0db2ce77
MR
1976 echo "AltiVec enabled ${altivec-no}"
1977 echo "dcbzl available ${dcbzl-no}"
e41e8342 1978fi
0db2ce77
MR
1979echo "gprof enabled ${gprof-no}"
1980echo "debug symbols ${debug-no}"
87a0fb62 1981echo "strip symbols ${stripping-no}"
8400d6b8 1982echo "optimizations ${optimizations-no}"
0db2ce77
MR
1983echo "static ${static-no}"
1984echo "shared ${shared-no}"
4a24ab64 1985echo "postprocessing support ${postproc-no}"
13ca50f3 1986echo "software scaler enabled ${swscale-no}"
f7679c54 1987echo "new filter support ${avfilter-no}"
81124ba0 1988echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 1989echo "video hooking ${vhook-no}"
90be59ef 1990if enabled vhook; then
0db2ce77
MR
1991 echo "Imlib2 support ${imlib2-no}"
1992 echo "FreeType support ${freetype2-no}"
68892110 1993fi
0db2ce77 1994echo "network support ${network-no}"
90be59ef 1995if enabled network; then
0db2ce77 1996 echo "IPv6 support ${ipv6-no}"
bfd5afd8 1997fi
0db2ce77
MR
1998echo "threading support ${thread_type-no}"
1999echo "SDL support ${sdl-no}"
90be59ef 2000if enabled sdl_too_old; then
bfd5afd8
DB
2001 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2002fi
0db2ce77
MR
2003echo "Sun medialib support ${mlib-no}"
2004echo "AVISynth enabled ${avisynth-no}"
2005echo "liba52 support ${liba52-no}"
2006echo "liba52 dlopened ${liba52bin-no}"
2007echo "libamr-nb support ${libamr_nb-no}"
2008echo "libamr-wb support ${libamr_wb-no}"
f7b8bffe 2009echo "libdc1394 support ${libdc1394-no}"
690bfceb 2010echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2011echo "libfaac enabled ${libfaac-no}"
2012echo "libfaad enabled ${libfaad-no}"
7e0871a7 2013echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2014echo "libgsm enabled ${libgsm-no}"
2015echo "libmp3lame enabled ${libmp3lame-no}"
2016echo "libnut enabled ${libnut-no}"
f7cd9eed 2017echo "libschroedinger enabled ${libschroedinger-no}"
0db2ce77
MR
2018echo "libtheora enabled ${libtheora-no}"
2019echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2020echo "libx264 enabled ${libx264-no}"
2021echo "libxvid enabled ${libxvid-no}"
0db2ce77 2022echo "zlib enabled ${zlib-no}"
f402916e 2023echo "bzlib enabled ${bzlib-no}"
2c62e737 2024echo
de6d9b64 2025
f7679c54 2026for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2027 echo "Enabled ${type}s:"
f65c9da1 2028 eval list=\$$(toupper $type)_LIST
8138b9db 2029 for part in $list; do
f65c9da1
MR
2030 enabled $part && echo ${part%_*}
2031 done | sort | pr -3 -t
2032 echo
8138b9db
RP
2033done
2034
ba321adb
JK
2035license="LGPL"
2036if enabled nonfree; then
2037 license="unredistributable"
2038elif enabled gpl; then
2039 license="GPL"
2040fi
2041
2042echo "License: $license"
ca5323af 2043
cf1392e9
DB
2044echo "Creating config.mak and config.h..."
2045
29799f8b
DB
2046echo "# Automatically generated by configure - do not modify!" > config.mak
2047echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2048echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2049echo "#define FFMPEG_CONFIG_H" >> $TMPH
0fd12426 2050echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
de6d9b64 2051
d921f03f 2052echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2053echo "prefix=$prefix" >> config.mak
22a324da
DB
2054echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2055echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2056echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2057echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2058echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
980fc7b8 2059echo "CC=$cc" >> config.mak
304d586d 2060echo "YASM=$yasmexe" >> config.mak
980fc7b8 2061echo "AR=$ar" >> config.mak
be7109c1 2062echo "RANLIB=$ranlib" >> config.mak
20369773 2063echo "LN_S=$ln_s" >> config.mak
87a0fb62 2064enabled stripping &&
3ae3b721 2065 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2066 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2067
a9b3f630 2068echo "OPTFLAGS=$CFLAGS" >> config.mak
2270b4b2 2069echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
0f3cb305 2070echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2071echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2072echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2073echo "YASMFLAGS=$YASMFLAGS" >> config.mak
408382a4 2074echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
fbb9d104 2075echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
80581e98 2076echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2077echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2078echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2079echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2080echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2081echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2082echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2083echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2084echo "SLIBSUF=$SLIBSUF" >> config.mak
2085echo "EXESUF=$EXESUF" >> config.mak
315c741d 2086echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
4dc62701 2087
90be59ef 2088if enabled bigendian; then
7483e694
DB
2089 echo "WORDS_BIGENDIAN=yes" >> config.mak
2090 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2091fi
44161118 2092
90be59ef 2093if enabled sdl; then
7483e694
DB
2094 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2095 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
a86b921c 2096fi
90be59ef 2097if enabled texi2html; then
7483e694 2098 echo "BUILD_DOC=yes" >> config.mak
146ea952 2099fi
5a872801 2100
719c8e00
MR
2101get_version(){
2102 name=$1
2103 file=$source_path/$2
147e7692
MR
2104 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2105 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2106 lcname=$(tolower $name)
2107 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2108 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2109}
2110
147e7692
MR
2111get_version LIBSWSCALE libswscale/swscale.h
2112get_version LIBPOSTPROC libpostproc/postprocess.h
2113get_version LIBAVCODEC libavcodec/avcodec.h
2114get_version LIBAVDEVICE libavdevice/avdevice.h
2115get_version LIBAVFORMAT libavformat/avformat.h
2116get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2117get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2118
5af4e0cc 2119if enabled shared; then
7483e694
DB
2120 echo "BUILD_SHARED=yes" >> config.mak
2121 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2122 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2123 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2124 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2125 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2126 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2127 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2128 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2129 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2130fi
d7e27559 2131echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2132echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2133
3d907e22
MR
2134print_config ARCH_ $TMPH config.mak $ARCH_LIST
2135print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694
DB
2136print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2137 $DECODER_LIST \
2138 $ENCODER_LIST \
2139 $PARSER_LIST \
2140 $BSF_LIST \
2141 $DEMUXER_LIST \
2142 $MUXER_LIST \
f7679c54 2143 $FILTER_LIST \
7483e694
DB
2144 $PROTOCOL_LIST \
2145 $INDEV_LIST \
2146 $OUTDEV_LIST \
8ac17293 2147
c13e1abd
FH
2148echo "#define restrict $_restrict" >> $TMPH
2149
bd2216e4 2150if enabled small; then
7483e694 2151 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2152fi
2153
997baf01
MR
2154echo "SRC_PATH=\"$source_path\"" >> config.mak
2155echo "SRC_PATH_BARE=$source_path" >> config.mak
2156echo "BUILD_ROOT=\"$PWD\"" >> config.mak
0f3cb305 2157
8156056e 2158# Apparently it's not possible to portably echo a backslash.
3ae3b721 2159enabled asmalign_pot &&
7483e694
DB
2160 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2161 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2162
b4d96ba2 2163echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2164
9c05103f
DB
2165echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2166
b7860763 2167# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2168cmp -s $TMPH config.h &&
2169 echo "config.h is unchanged" ||
2170 mv -f $TMPH config.h
3d204385 2171
cea0ac52 2172rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
def4272a 2173
165af439 2174# build tree in object directory if source path is different from current one
90be59ef 2175if enabled source_path_used; then
165af439 2176 DIRS="\
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DB
2177 doc \
2178 libavcodec \
2179 libavcodec/alpha \
2180 libavcodec/armv4l \
2181 libavcodec/bfin \
2182 libavcodec/i386 \
2183 libavcodec/mlib \
2184 libavcodec/ppc \
2185 libavcodec/sh4 \
2186 libavcodec/sparc \
52a9cf34 2187 libavdevice \
f7679c54 2188 libavfilter \
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DB
2189 libavformat \
2190 libavutil \
2191 libpostproc \
2192 libswscale \
2193 tests \
2194 tools \
2195 vhook \
2196 "
165af439 2197 FILES="\
7483e694
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2198 Makefile \
2199 common.mak \
71c61f62 2200 subdir.mak \
7483e694
DB
2201 doc/texi2pod.pl \
2202 libavcodec/Makefile \
52a9cf34 2203 libavdevice/Makefile \
f7679c54 2204 libavfilter/Makefile \
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2205 libavformat/Makefile \
2206 libavutil/Makefile \
2207 libpostproc/Makefile \
2208 libswscale/Makefile \
2209 "
165af439 2210 for dir in $DIRS ; do
7483e694 2211 mkdir -p $dir
165af439
MR
2212 done
2213 for f in $FILES ; do
20369773 2214 $ln_s "$source_path/$f" $f
165af439
MR
2215 done
2216fi
def4272a 2217
def4272a 2218
d0674868 2219# build pkg-config files
def4272a 2220
d0674868
DB
2221pkgconfig_generate(){
2222name=$1
e426941d 2223shortname=${name#lib}
d0674868
DB
2224comment=$2
2225version=$3
2226libs=$4
2227requires=$5
25cd5cb3 2228cat <<EOF > $name/$name.pc
3e89171a 2229prefix=$prefix
a94e666c 2230exec_prefix=\${prefix}
f2b7382c 2231libdir=$libdir
7622778e 2232includedir=$incdir
def4272a 2233
d0674868
DB
2234Name: $name
2235Description: $comment
2236Version: $version
5dcfe9f8
AH
2237Requires: $(disabled shared && echo $requires)
2238Requires.private: $(enabled shared && echo $requires)
def4272a 2239Conflicts:
12701f6e
AH
2240Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2241Libs.private: $(enabled shared && echo $libs)
76a448ed 2242Cflags: -I\${includedir}
def4272a 2243EOF
25cd5cb3 2244cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2245prefix=
2246exec_prefix=
46d1ff83
AJ
2247libdir=\${pcfiledir}
2248includedir=\${pcfiledir}/..
def4272a 2249
d0674868
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2250Name: $name
2251Description: $comment
2252Version: $version
2253Requires: $requires
def4272a 2254Conflicts:
12701f6e 2255Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2256Cflags: -I\${includedir}
2257EOF
d0674868 2258}
def4272a 2259
e426941d 2260pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
e426941d 2261pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
e426941d 2262pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
e426941d 2263pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2264enabled avfilter &&
35a71f1d 2265 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2266enabled postproc &&
e426941d 2267 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
13ca50f3 2268if enabled swscale; then
e426941d 2269 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
6c0d0413 2270else
f436a23e 2271 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
25cd5cb3 2272 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
6c0d0413 2273fi