configure: fix disabled_any to return false for empty list
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
f57620d5
MR
3# FFmpeg configure script
4#
949906ea
DB
5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
79ab96ba
DB
11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
c21d6325
MR
15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
MR
20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
MR
24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
MR
27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
MR
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
MR
43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
505dfb09
DB
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
c21d6325
MR
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
MR
54 exit 1
55fi
56
74c53c2d
MR
57show_help(){
58 echo "Usage: configure [options]"
59 echo "Options: [defaults in brackets after descriptions]"
60 echo
61 echo "Standard options:"
62 echo " --help print this message"
8c6afa4d
DB
63 echo " --logfile=FILE log tests and output to FILE [config.err]"
64 echo " --disable-logging do not log configure debug information"
3e89171a 65 echo " --prefix=PREFIX install in PREFIX [$prefix]"
d156bede 66 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
74c53c2d 67 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
84c22efd 68 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
5341d856 69 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
4ca5ece5 70 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
74c53c2d
MR
71 echo " --enable-static build static libraries [default=yes]"
72 echo " --disable-static do not build static libraries [default=no]"
73 echo " --enable-shared build shared libraries [default=no]"
74 echo " --disable-shared do not build shared libraries [default=yes]"
0a622b98
MR
75 echo " --enable-gpl allow use of GPL code, the resulting libav*"
76 echo " and ffmpeg will be under GPL [default=no]"
3fe142e2
DB
77 echo " --enable-nonfree allow use of nonfree code, the resulting libav*"
78 echo " and ffmpeg will be unredistributable [default=no]"
4a24ab64 79 echo " --enable-postproc enable GPLed postprocessing support [default=no]"
13ca50f3 80 echo " --enable-swscale software scaler support [default=no]"
f7679c54
VS
81 echo " --enable-avfilter video filter support (replaces vhook) [default=no]"
82 echo " --enable-avfilter-lavf video filters dependant on avformat [default=no]"
e5f94c2b 83 echo " --enable-beosthreads use BeOS threads [default=no]"
d22e8442 84 echo " --enable-os2threads use OS/2 threads [default=no]"
74c53c2d 85 echo " --enable-pthreads use pthreads [default=no]"
eb113804 86 echo " --enable-w32threads use Win32 threads [default=no]"
56a059ac 87 echo " --enable-x11grab enable X11 grabbing [default=no]"
0a622b98
MR
88 echo
89 echo "External library support:"
5ce265a1 90 echo " --enable-mlib use Sun medialib [default=no]"
8ac17293 91 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
f5a756ef
DB
92 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
93 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
f7b8bffe
RP
94 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
95 echo " and libraw1394 [default=no]"
690bfceb 96 echo " --enable-libdirac enable Dirac support via libdirac [default=no]"
e2745046
MR
97 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
98 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
06f32b26 99 echo " --enable-libfaadbin open libfaad.so.0 at runtime [default=no]"
dc922953 100 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
e2745046 101 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
31235134
DB
102 echo " --enable-libnut enable NUT (de)muxing via libnut,"
103 echo " native demuxer exists [default=no]"
f7cd9eed 104 echo " --enable-libschroedinger enable Dirac support via libschroedinger [default=no]"
ae14f311 105 echo " --enable-libspeex enable Speex decoding via libspeex [default=no]"
71757822 106 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
f9def9cc
DB
107 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
108 echo " native implementation exists [default=no]"
1cc60c47
DB
109 echo " --enable-libx264 enable H.264 encoding via x264 [default=no]"
110 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
31235134 111 echo " native MPEG-4/Xvid encoder exists [default=no]"
74c53c2d
MR
112 echo ""
113 echo "Advanced options (experts only):"
114 echo " --source-path=PATH path to source code [$source_path]"
115 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
db6107b6 116 echo " --enable-cross-compile assume a cross-compiler is used"
4f854758 117 echo " --target-os=OS compiler targets OS [$target_os]"
74c53c2d 118 echo " --cc=CC use C compiler CC [$cc]"
74c53c2d
MR
119 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
120 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
121 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
ac63af34 122 echo " --extra-version=STRING version string suffix []"
74c53c2d 123 echo " --build-suffix=SUFFIX suffix for application specific build []"
cc6a90dd 124 echo " --arch=ARCH select architecture [$arch]"
7c758d33
DB
125 echo " --cpu=CPU selects the minimum cpu required (affects"
126 echo " instruction selection, may crash on older CPUs)"
2b4c3615 127 echo " --enable-powerpc-perf enable performance report on PPC"
74c53c2d
MR
128 echo " (requires enabling PMC)"
129 echo " --disable-mmx disable MMX usage"
064df5a9
PI
130 echo " --disable-mmx2 disable MMX2 usage"
131 echo " --disable-ssse3 disable SSSE3 usage"
1839e854 132 echo " --disable-armv5te disable armv5te usage"
edab3048 133 echo " --disable-armv6 disable armv6 usage"
f55b299a 134 echo " --disable-armvfp disable ARM VFP usage"
74c53c2d
MR
135 echo " --disable-iwmmxt disable iwmmxt usage"
136 echo " --disable-altivec disable AltiVec usage"
74c53c2d 137 echo " --disable-network disable network support [default=no]"
0c7bb0e5 138 echo " --disable-ipv6 disable ipv6 support [default=no]"
74c53c2d 139 echo " --disable-zlib disable zlib [default=no]"
f402916e 140 echo " --disable-bzlib disable bzlib [default=no]"
74c53c2d 141 echo " --disable-vhook disable video hooking support"
74c53c2d
MR
142 echo " --disable-mpegaudio-hp faster (but less accurate)"
143 echo " MPEG audio decoding [default=no]"
cde9e780 144 echo " --enable-gray enable full grayscale support (slower color)"
786b30af 145 echo " --disable-ffmpeg disable ffmpeg build"
74c53c2d
MR
146 echo " --disable-ffserver disable ffserver build"
147 echo " --disable-ffplay disable ffplay build"
148 echo " --enable-small optimize for size instead of speed"
3abe5fbd 149 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
74c53c2d 150 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
74c53c2d
MR
151 echo " --disable-encoder=NAME disables encoder NAME"
152 echo " --enable-encoder=NAME enables encoder NAME"
153 echo " --disable-decoder=NAME disables decoder NAME"
154 echo " --enable-decoder=NAME enables decoder NAME"
155 echo " --disable-encoders disables all encoders"
156 echo " --disable-decoders disables all decoders"
ff70e601
MR
157 echo " --disable-muxer=NAME disables muxer NAME"
158 echo " --enable-muxer=NAME enables muxer NAME"
74c53c2d 159 echo " --disable-muxers disables all muxers"
ff70e601
MR
160 echo " --disable-demuxer=NAME disables demuxer NAME"
161 echo " --enable-demuxer=NAME enables demuxer NAME"
74c53c2d 162 echo " --disable-demuxers disables all demuxers"
af9e7d18
MR
163 echo " --enable-parser=NAME enables parser NAME"
164 echo " --disable-parser=NAME disables parser NAME"
165 echo " --disable-parsers disables all parsers"
cd61e407
JM
166 echo " --enable-bsf=NAME enables bitstream filter NAME"
167 echo " --disable-bsf=NAME disables bitstream filter NAME"
168 echo " --disable-bsfs disables all bitstream filters"
c08fb000
AB
169 echo " --enable-protocol=NAME enables protocol NAME"
170 echo " --disable-protocol=NAME disables protocol NAME"
171 echo " --disable-protocols disables all protocols"
10d46dd0 172 echo " --disable-devices disables all devices"
1865259f
SS
173 echo " --enable-filter=NAME enables filter NAME"
174 echo " --disable-filter=NAME disables filter NAME"
175 echo " --disable-filters disables all filters"
794f8e97
PI
176 echo " --list-decoders show all available decoders"
177 echo " --list-encoders show all available encoders"
178 echo " --list-muxers show all available muxers"
179 echo " --list-demuxers show all available demuxers"
180 echo " --list-parsers show all available parsers"
181 echo " --list-protocols show all available protocols"
182 echo " --list-bsfs show all available bitstream filters"
c552605c
DB
183 echo " --list-indevs show all available input devices"
184 echo " --list-outdevs show all available output devices"
1865259f 185 echo " --list-filters show all available filters"
0a622b98
MR
186 echo
187 echo "Developer options (useful when working on FFmpeg itself):"
9c56a1f9 188 echo " --disable-debug disable debugging symbols"
b7d49373 189 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
0a622b98 190 echo " --enable-gprof enable profiling with gprof [$gprof]"
d2bbb2f7 191 echo " --disable-optimizations disable compiler optimizations"
0a622b98 192 echo " --enable-extra-warnings enable more compiler warnings"
87a0fb62 193 echo " --disable-stripping disable stripping of executables and shared libraries"
74c53c2d
MR
194 echo ""
195 echo "NOTE: Object files are built at the place where configure is launched."
60e8bc13 196 exit 0
74c53c2d 197}
cf9d24ad 198
57bd82d4 199log(){
2270b4b2 200 echo "$@" >> $logfile
57bd82d4
MR
201}
202
720c69da 203log_file(){
c8e9f801 204 log BEGIN $1
2270b4b2 205 pr -n -t $1 >> $logfile
c8e9f801
MR
206 log END $1
207}
208
2ba042a7 209echolog(){
c8e9f801 210 log "$@"
57bd82d4 211 echo "$@"
2ba042a7
MR
212}
213
214die(){
215 echolog "$@"
216 cat <<EOF
217If you think configure made a mistake, make sure you are using the latest
218version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 219ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 220EOF
e155a21a 221 if disabled logging; then
2ba042a7 222 cat <<EOF
e155a21a
DB
223Rerun configure with logging enabled (do not use --disable-logging), and
224include the log this produces with your report.
2ba042a7
MR
225EOF
226 else
227cat <<EOF
e155a21a
DB
228Include the log file "$logfile" produced by configure as this will help
229solving the problem.
2ba042a7
MR
230EOF
231 fi
cea0ac52 232 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
57bd82d4
MR
233 exit 1
234}
235
6c6007d6 236# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 237toupper(){
6c6007d6 238 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
239}
240
4a5444db 241tolower(){
6c6007d6 242 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
243}
244
a8d04fba
MR
245set_all(){
246 value=$1
247 shift
248 for var in $*; do
249 eval $var=$value
250 done
251}
252
799c9e9b
MR
253pushvar(){
254 for var in $*; do
255 eval level=\${${var}_level:=0}
256 eval ${var}_${level}="\$$var"
257 eval ${var}_level=$(($level+1))
258 done
259}
260
261popvar(){
262 for var in $*; do
263 eval level=\${${var}_level:-0}
264 test $level = 0 && continue
265 eval level=$(($level-1))
266 eval $var="\${${var}_${level}}"
267 eval ${var}_level=$level
268 eval unset ${var}_${level}
269 done
270}
271
a8d04fba
MR
272enable(){
273 set_all yes $*
274}
275
276disable(){
277 set_all no $*
278}
279
57bd82d4 280enabled(){
3250003c
MR
281 test "${1#!}" = "$1" && op== || op=!=
282 eval test "x\$${1#!}" $op "xyes"
44161118
MR
283}
284
37970ebf 285disabled(){
3250003c
MR
286 test "${1#!}" = "$1" && op== || op=!=
287 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
288}
289
44161118
MR
290enabled_all(){
291 for opt; do
292 enabled $opt || return 1
293 done
294}
295
85bca2c5
DB
296disabled_all(){
297 for opt; do
298 disabled $opt || return 1
299 done
300}
301
44161118
MR
302enabled_any(){
303 for opt; do
304 enabled $opt && return 0
305 done
306}
307
85bca2c5
DB
308disabled_any(){
309 for opt; do
310 disabled $opt && return 0
311 done
f7b230a7 312 return 1
85bca2c5
DB
313}
314
c9d19248
MR
315set_default(){
316 for opt; do
317 eval test -z "\$$opt" && eval $opt=\$${opt}_default
318 done
319}
320
4a0d6686
AJ
321is_in(){
322 value=$1
323 shift
324 for var in $*; do
325 [ $var = $value ] && return 0
326 done
327 return 1
328}
329
30fd06be
MR
330check_deps(){
331 for cfg; do
3250003c 332 cfg="${cfg#!}"
799c9e9b
MR
333 enabled ${cfg}_checking && die "Circular dependency for $cfg."
334 disabled ${cfg}_checking && continue
335 enable ${cfg}_checking
336
30fd06be
MR
337 eval dep_all="\$${cfg}_deps"
338 eval dep_any="\$${cfg}_deps_any"
799c9e9b
MR
339
340 pushvar cfg dep_all dep_any
341 check_deps $dep_all $dep_any
342 popvar cfg dep_all dep_any
343
30fd06be
MR
344 enabled_all $dep_all || disable $cfg
345 enabled_any $dep_any || disable $cfg
799c9e9b 346
4ec45764
RP
347 if enabled $cfg; then
348 eval dep_extralibs="\$${cfg}_extralibs"
349 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
350 fi
351
799c9e9b 352 disable ${cfg}_checking
30fd06be
MR
353 done
354}
355
44161118
MR
356print_config(){
357 pfx=$1
358 header=$2
359 makefile=$3
360 shift 3
361 for cfg; do
3d907e22 362 ucname="`toupper $cfg`"
44161118 363 if enabled $cfg; then
3d907e22
MR
364 echo "#define ${pfx}${ucname} 1" >> $header
365 echo "#define ENABLE_${ucname} 1" >> $header
366 echo "${pfx}${ucname}=yes" >> $makefile
367 else
368 echo "#define ENABLE_${ucname} 0" >> $header
44161118
MR
369 fi
370 done
57bd82d4
MR
371}
372
373flags_saved(){
2270b4b2 374 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
375}
376
dcd479c0 377save_flags(){
57bd82d4 378 flags_saved && return
dcd479c0
MR
379 SAVE_CFLAGS="$CFLAGS"
380 SAVE_LDFLAGS="$LDFLAGS"
381 SAVE_extralibs="$extralibs"
382}
383
384restore_flags(){
f5d28d10 385 flags_saved || return
dcd479c0
MR
386 CFLAGS="$SAVE_CFLAGS"
387 LDFLAGS="$SAVE_LDFLAGS"
388 extralibs="$SAVE_extralibs"
389 unset SAVE_CFLAGS
390 unset SAVE_LDFLAGS
391 unset SAVE_extralibs
392}
393
394temp_cflags(){
395 save_flags
396 CFLAGS="$CFLAGS $*"
397}
398
399temp_ldflags(){
400 save_flags
401 LDFLAGS="$LDFLAGS $*"
402}
403
404temp_extralibs(){
405 save_flags
406 extralibs="$extralibs $*"
407}
408
57bd82d4
MR
409append(){
410 var=$1
411 shift
412 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
413 eval "$var=\"\$$var $*\""
414}
415
416add_cflags(){
417 append CFLAGS "$@"
418}
419
420add_ldflags(){
421 append LDFLAGS "$@"
422}
423
424add_extralibs(){
425 append extralibs "$@"
426}
427
b0cfb663 428check_cmd(){
b3cb5d51 429 log "$@"
2270b4b2 430 "$@" >> $logfile 2>&1
b0cfb663
MR
431}
432
dcd479c0 433check_cc(){
57bd82d4 434 log check_cc "$@"
2270b4b2 435 cat > $TMPC
720c69da 436 log_file $TMPC
b0cfb663 437 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
438}
439
440check_cpp(){
441 log check_cpp "$@"
2270b4b2 442 cat > $TMPC
720c69da 443 log_file $TMPC
b0cfb663 444 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
445}
446
940f335a
MR
447check_asm(){
448 log check_asm "$@"
449 name="$1"
450 asm="$2"
451 shift 2
452 check_cc "$@" <<EOF && enable $name || disable $name
be449fca 453int foo(void){ __asm__ volatile($asm); }
940f335a
MR
454EOF
455}
456
304d586d
LM
457check_yasm(){
458 log check_yasm "$@"
459 echo "$1" > $TMPS
460 log_file $TMPS
461 shift 1
462 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
463}
464
dcd479c0 465check_ld(){
57bd82d4 466 log check_ld "$@"
0607887f 467 check_cc || return
3155a644
MR
468 flags=''
469 libs=''
470 for f; do
471 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
472 done
473 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
474}
475
476check_cflags(){
57bd82d4
MR
477 log check_cflags "$@"
478 check_cc "$@" <<EOF && add_cflags "$@"
dcd479c0
MR
479int x;
480EOF
481}
482
483check_ldflags(){
57bd82d4
MR
484 log check_ldflags "$@"
485 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 486int main(void){ return 0; }
dcd479c0
MR
487EOF
488}
489
490check_header(){
57bd82d4 491 log check_header "$@"
dcd479c0
MR
492 header=$1
493 shift
d8bc5f06
MR
494 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
495 disable $var
496 check_cpp "$@" <<EOF && enable $var
dcd479c0
MR
497#include <$header>
498int x;
499EOF
500}
501
502check_func(){
57bd82d4 503 log check_func "$@"
dcd479c0
MR
504 func=$1
505 shift
d8bc5f06
MR
506 disable $func
507 check_ld "$@" <<EOF && enable $func
dcd479c0 508extern int $func();
c23a0ac8 509int main(void){ $func(); }
dcd479c0
MR
510EOF
511}
512
2446d3d6
DB
513check_func_headers(){
514 log check_func_headers "$@"
f8d7b072
MR
515 headers=$1
516 func=$2
517 shift 2
518 disable $func
519 incs=""
520 for hdr in $headers; do
521 incs="$incs
522#include <$hdr>"
523 done
524 check_ld "$@" <<EOF && enable $func
525$incs
d6773f56 526int main(int argc, char **argv){
f8d7b072
MR
527 (void) $func;
528 return 0;
529}
530EOF
531}
532
a5344cf7
SS
533check_cpp_condition(){
534 log check_cpp_condition "$@"
535 header=$1
536 condition=$2
537 check_cpp <<EOF
538#include <$header>
539#if !($condition)
540#error "unsatisfied condition: $condition"
541#endif
542EOF
543}
544
57bd82d4
MR
545check_lib(){
546 log check_lib "$@"
547 header="$1"
548 func="$2"
549 shift 2
fcfcde17
MR
550 temp_extralibs "$@"
551 check_header $header && check_func $func && add_extralibs "$@"
552 err=$?
553 restore_flags
554 return $err
57bd82d4
MR
555}
556
f8d7b072
MR
557check_lib2(){
558 log check_lib2 "$@"
559 headers="$1"
560 func="$2"
561 shift 2
562 temp_extralibs "$@"
2446d3d6 563 check_func_headers "$headers" $func && add_extralibs "$@"
f8d7b072
MR
564 err=$?
565 restore_flags
566 return $err
567}
568
dcd479c0 569check_exec(){
2270b4b2 570 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
571}
572
7dfef245
MR
573check_exec_crash(){
574 code=`cat`
575
576 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
577 # are safe but may not be available everywhere. Thus we use
578 # raise(SIGTERM) instead. The check is run in a subshell so we
579 # can redirect the "Terminated" message from the shell. SIGBUS
580 # is not defined by standard C so it is used conditionally.
581
2270b4b2 582 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
583#include <signal.h>
584static void sighandler(int sig){
585 raise(SIGTERM);
586}
e5af4a11 587int main(void){
7dfef245
MR
588 signal(SIGILL, sighandler);
589 signal(SIGFPE, sighandler);
590 signal(SIGSEGV, sighandler);
591#ifdef SIGBUS
592 signal(SIGBUS, sighandler);
593#endif
594 { $code }
595}
596EOF
597}
598
72be9e73
DY
599check_type(){
600 log check_type "$@"
601 headers=$1
602 type=$2
603 shift 2
604 disable $type
605 incs=""
606 for hdr in $headers; do
607 incs="$incs
608#include <$hdr>"
609 done
610 check_cc "$@" <<EOF && enable $type
611$incs
612$type v;
613EOF
614}
615
57bd82d4
MR
616require(){
617 name="$1"
618 header="$2"
619 func="$3"
620 shift 3
621 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
622}
623
f8d7b072
MR
624require2(){
625 name="$1"
626 headers="$2"
627 func="$3"
628 shift 3
629 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
630}
631
eea50282
MR
632check_foo_config(){
633 cfg=$1
634 pkg=$2
635 header=$3
636 func=$4
637 shift 4
638 disable $cfg
639 check_cmd ${pkg}-config --version
640 err=$?
641 if test "$err" = 0; then
642 temp_cflags `${pkg}-config --cflags`
643 temp_extralibs `${pkg}-config --libs`
644 check_lib "$@" $header $func && enable $cfg
645 fi
646 return $err
647}
648
c505dd31
MR
649apply(){
650 file=$1
651 shift
652 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
653}
654
dcd61286
DB
655# CONFIG_LIST contains configurable options, while HAVE_LIST is for
656# system-dependent things.
657
4a0d6686
AJ
658COMPONENT_LIST="
659 bsfs
660 decoders
661 demuxers
662 encoders
3cde40aa 663 filters
c552605c 664 indevs
4a0d6686 665 muxers
c552605c 666 outdevs
4a0d6686
AJ
667 parsers
668 protocols
669"
670
671CONFIG_LIST="
672 $COMPONENT_LIST
f7679c54
VS
673 avfilter
674 avfilter_lavf
c88f5d72
MR
675 avisynth
676 beos_netserver
f402916e 677 bzlib
c88f5d72
MR
678 ffmpeg
679 ffplay
680 ffserver
681 gpl
ecfc4f44 682 gprof
d8d0d0b2 683 gray
3abe5fbd 684 hardcoded_tables
c88f5d72 685 ipv6
f5a756ef
DB
686 libamr_nb
687 libamr_wb
f7b8bffe 688 libdc1394
690bfceb 689 libdirac
2eed5a46
DB
690 libfaac
691 libfaad
692 libfaadbin
c88f5d72 693 libgsm
6ebe07fb 694 libmp3lame
c88f5d72 695 libnut
f7cd9eed 696 libschroedinger
ae14f311 697 libspeex
150d2772 698 libtheora
c88f5d72 699 libvorbis
1cc60c47
DB
700 libx264
701 libxvid
c88f5d72 702 memalign_hack
a8150374 703 mlib
c88f5d72
MR
704 mpegaudio_hp
705 network
3fe142e2 706 nonfree
4a24ab64 707 postproc
2b4c3615 708 powerpc_perf
bd2216e4 709 small
13ca50f3 710 swscale
c88f5d72 711 vhook
56a059ac 712 x11grab
c88f5d72 713 zlib
4a0d6686 714"
c88f5d72 715
8eee7025
DB
716THREADS_LIST='
717 beosthreads
d22e8442 718 os2threads
8eee7025
DB
719 pthreads
720 w32threads
721'
722
3f5b56e5
MR
723ARCH_LIST='
724 alpha
725 armv4l
726 bfin
727 ia64
728 m68k
729 mips
730 parisc
731 powerpc
732 s390
733 sh4
734 sparc
735 sparc64
736 x86
737 x86_32
738 x86_64
739'
740
741ARCH_EXT_LIST='
1ac9331a 742 altivec
1ac9331a 743 armv5te
edab3048 744 armv6
f55b299a 745 armvfp
3f5b56e5
MR
746 iwmmxt
747 mmi
748 mmx
d7f0920b 749 mmx2
6b18d278 750 neon
9eeed841 751 ssse3
bd9d34a0 752 vis
3f5b56e5
MR
753'
754
755HAVE_LIST="
756 $ARCH_EXT_LIST
757 $THREADS_LIST
758 altivec_h
c9fdab0d 759 arpa_inet_h
6bd859d6 760 bswap
ecf97f22 761 closesocket
1ac9331a 762 cmov
e16e49ac 763 conio_h
c88f5d72 764 dcbzl
f8aa696f
DB
765 dev_bktr_ioctl_bt848_h
766 dev_bktr_ioctl_meteor_h
767 dev_ic_bt8xx_h
768 dev_video_meteor_ioctl_meteor_h
769 dev_video_bktr_ioctl_bt848_h
18b67ae5 770 dlfcn_h
c88f5d72 771 dlopen
bc574408 772 dos_paths
245626d0
DB
773 ebp_available
774 ebx_available
c2a29455 775 fast_64bit
7073e9fc 776 fast_cmov
7b829d2a 777 fast_unaligned
9d99cc5a 778 fork
c88f5d72 779 freetype2
da9e86f8 780 gethrtime
4e68cb8a 781 GetProcessTimes
66be5b45 782 getrusage
c88f5d72 783 imlib2
2e1913b1 784 inet_aton
61d251db 785 inline_asm
0b4a1821
AS
786 libdc1394_1
787 libdc1394_2
a33cab3a
MK
788 llrint
789 lrint
c88f5d72 790 lrintf
f8aa696f
DB
791 machine_ioctl_bt848_h
792 machine_ioctl_meteor_h
c88f5d72
MR
793 malloc_h
794 memalign
6ffa87d3 795 mkstemp
b4e806b2 796 pld
9cafbd6c 797 ppc64
a33cab3a
MK
798 round
799 roundf
c88f5d72
MR
800 sdl
801 sdl_video_size
72be9e73 802 socklen_t
deb29777 803 soundcard_h
f8cda19e 804 poll_h
b58412f1 805 sys_mman_h
b091aa44 806 sys_resource_h
81644c2e 807 sys_select_h
deb29777 808 sys_soundcard_h
1b6e8b73 809 sys_videoio_h
e16e49ac 810 termios_h
b265431e 811 threads
6ff3f3e7 812 winsock2_h
304d586d 813 yasm
0cb78cef 814"
44161118 815
520cc7f1 816CMDLINE_SELECT="
3f5b56e5 817 $ARCH_EXT_LIST
520cc7f1 818 $CONFIG_LIST
8eee7025 819 $THREADS_LIST
db6107b6 820 cross_compile
520cc7f1
MR
821 debug
822 extra_warnings
8c6afa4d 823 logging
d2bbb2f7 824 optimizations
520cc7f1
MR
825 shared
826 static
87a0fb62 827 stripping
520cc7f1 828"
426be5dc
DB
829
830PATHS_LIST='
d156bede 831 bindir
26759c44
MR
832 incdir
833 libdir
26759c44
MR
834 mandir
835 prefix
836 shlibdir
426be5dc
DB
837'
838
839CMDLINE_SET="
840 $PATHS_LIST
841 arch
842 build_suffix
843 cc
844 cpu
845 cross_prefix
ac63af34 846 extra_version
426be5dc 847 logfile
26759c44
MR
848 source_path
849 target_os
426be5dc 850"
520cc7f1 851
912f3148
DB
852# code dependency declarations
853
9eeed841
MR
854# architecture extensions
855altivec_deps="powerpc"
856armv5te_deps="armv4l"
857armv6_deps="armv4l"
f55b299a 858armvfp_deps="armv4l"
9eeed841 859iwmmxt_deps="armv4l"
e241ba14 860mmi_deps="mips"
9eeed841 861mmx_deps="x86"
fbef871d 862mmx2_deps="x86 mmx"
6b18d278 863neon_deps="armv4l"
9eeed841 864ssse3_deps="x86"
bd9d34a0 865vis_deps="sparc"
9eeed841 866
912f3148 867# decoders / encoders
d8d12c15 868ac3_decoder_deps="gpl"
33a0dd37 869dxa_decoder_deps="zlib"
406ab5cc 870eac3_decoder_deps="gpl"
30fd06be 871flashsv_decoder_deps="zlib"
773be23a 872flashsv_encoder_deps="zlib"
b517af05 873mlp_decoder_deps="mlp_parser"
30fd06be
MR
874mpeg_xvmc_decoder_deps="xvmc"
875png_decoder_deps="zlib"
876png_encoder_deps="zlib"
30fd06be
MR
877zmbv_decoder_deps="zlib"
878zmbv_encoder_deps="zlib"
879
912f3148 880# external libraries
f5a756ef
DB
881libamr_nb_decoder_deps="libamr_nb"
882libamr_nb_encoder_deps="libamr_nb"
883libamr_wb_decoder_deps="libamr_wb"
884libamr_wb_encoder_deps="libamr_wb"
1b71f045 885libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 886libdirac_encoder_deps="libdirac"
c9171a83 887libfaac_encoder_deps="libfaac"
69ddbd1d 888libfaad_decoder_deps="libfaad"
4ec45764 889libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
890libgsm_decoder_deps="libgsm"
891libgsm_encoder_deps="libgsm"
8ffed8d8
MR
892libgsm_ms_decoder_deps="libgsm"
893libgsm_ms_encoder_deps="libgsm"
1cc60c47 894libmp3lame_encoder_deps="libmp3lame"
f7cd9eed
AS
895libschroedinger_decoder_deps="libschroedinger"
896libschroedinger_encoder_deps="libschroedinger"
ae14f311 897libspeex_decoder_deps="libspeex"
150d2772 898libtheora_encoder_deps="libtheora"
b0caf888 899libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
900libx264_encoder_deps="libx264"
901libxvid_encoder_deps="libxvid"
13566c31 902mpeg4aac_decoder_deps="libfaad"
30fd06be 903
912f3148 904# demuxers / muxers
03a76ba9 905ac3_demuxer_deps="ac3_parser"
50383e88 906audio_beos_demuxer_deps="audio_beos"
4ec45764 907audio_beos_demuxer_extralibs="-lmedia -lbe"
50383e88 908audio_beos_muxer_deps="audio_beos"
4ec45764 909audio_beos_muxer_extralibs="-lmedia -lbe"
53b73365 910avisynth_demuxer_deps="avisynth"
73483024 911bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
17ac9f1c 912dirac_demuxer_deps="dirac_parser"
fe9bb347 913dv1394_demuxer_deps="dv1394 dv_demuxer"
f7b8bffe 914libdc1394_demuxer_deps="libdc1394"
d7c59247
DB
915libnut_demuxer_deps="libnut"
916libnut_muxer_deps="libnut"
4bd8e17c 917mp3_demuxer_deps="mpegaudio_parser"
c7682de0
RP
918oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
919oss_muxer_deps_any="soundcard_h sys_soundcard_h"
30fd06be 920redir_demuxer_deps="network"
8eb793c4 921rtp_muxer_deps="network rtp_protocol"
95c21842
LA
922rtsp_demuxer_deps="sdp_demuxer"
923sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
06e31011 924v4l_demuxer_deps="linux_videodev_h"
1b6e8b73 925v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
c2345207
RP
926vfwcap_demuxer_deps="capCreateCaptureWindow"
927vfwcap_demuxer_extralibs="-lvfw32"
06eab4ba 928x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
4ec45764 929x11_grab_device_demuxer_extralibs="-lX11 -lXext"
30fd06be 930
912f3148 931# protocols
c08fb000
AB
932http_protocol_deps="network"
933rtp_protocol_deps="udp_protocol"
934tcp_protocol_deps="network"
935udp_protocol_deps="network"
936
f7679c54 937# filters
81124ba0 938movie_filter_deps="avfilter_lavf"
f7679c54 939
912f3148 940# programs
fa859b4d 941ffplay_deps="sdl"
6ad42348 942ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764
RP
943ffserver_extralibs='$ldl'
944vhook_extralibs='$ldl'
a2830dca 945
912f3148 946
de6d9b64 947# default parameters
8a608357 948
2ba042a7 949logfile="config.err"
8a608357
MR
950
951# installation paths
c9d19248
MR
952prefix_default="/usr/local"
953bindir_default='${prefix}/bin'
954incdir_default='${prefix}/include'
955libdir_default='${prefix}/lib'
956mandir_default='${prefix}/share/man'
957shlibdir_default="$libdir_default"
8a608357
MR
958
959# toolchain
13c7df3d 960cc_default="gcc"
304d586d 961yasmexe="yasm"
de6d9b64 962ar="ar"
503d5b58 963nm="nm"
be7109c1 964ranlib="ranlib"
0f3cb305 965strip="strip"
8a608357 966asmalign_pot="unknown"
20369773 967ln_s="ln -sf"
304d586d 968objformat="elf"
8a608357
MR
969
970# machine
cc6a90dd 971arch=`uname -m`
38d0a8aa 972cpu="generic"
8a608357 973
8a608357 974# OS
4f854758 975target_os=$(tolower $(uname -s))
8a608357 976
8a608357 977# libraries
f402916e 978enable bzlib
497237c7 979enable zlib
8a608357
MR
980
981# configurable options
497237c7 982enable debug
497237c7
RP
983enable ffmpeg
984enable ffplay
985enable ffserver
986enable ipv6
497237c7
RP
987enable mpegaudio_hp
988enable network
8400d6b8 989enable optimizations
497237c7 990enable protocols
530dc538 991enable static
87a0fb62 992enable stripping
8a608357
MR
993vhook="default"
994
8a608357 995# build settings
11a9d3e8 996add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 997SHFLAGS='-shared -Wl,-soname,$$(@F)'
cab3ef82 998VHOOKSHFLAGS='$(SHFLAGS)'
c536cb09 999FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1000LIBPREF="lib"
1001LIBSUF=".a"
c5f14466
RP
1002FULLNAME='$(NAME)$(BUILDSUF)'
1003LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1004SLIBPREF="lib"
1005SLIBSUF=".so"
c5f14466 1006SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1007SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1008SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1009LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1010
0d7dca36
DB
1011# gcc stupidly only outputs the basename of targets with -MM, but we need the
1012# full relative path for objects in subdirectories for non-recursive Make.
ec0bd3b9 1013DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
315c741d 1014
c597172e
MR
1015# find source path
1016source_path="`dirname \"$0\"`"
497237c7 1017enable source_path_used
c597172e
MR
1018if test -z "$source_path" -o "$source_path" = "." ; then
1019 source_path="`pwd`"
497237c7 1020 disable source_path_used
c597172e
MR
1021else
1022 source_path="`cd \"$source_path\"; pwd`"
1023 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1024 die "Out of tree builds are impossible with whitespace in source path."
c597172e
MR
1025fi
1026
c597172e
MR
1027FFMPEG_CONFIGURATION="$@"
1028
73ef8980
MR
1029find_things(){
1030 thing=$1
1031 pattern=$2
1032 file=$source_path/$3
932ccf39 1033 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1034}
1035
1036ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1037DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1038PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1039BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1040MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1041DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1042OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1043INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1044PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1045FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1046
7483e694
DB
1047enable $ARCH_EXT_LIST \
1048 $DECODER_LIST \
1049 $ENCODER_LIST \
1050 $PARSER_LIST \
1051 $BSF_LIST \
1052 $DEMUXER_LIST \
1053 $MUXER_LIST \
f7679c54 1054 $FILTER_LIST \
7483e694
DB
1055 $PROTOCOL_LIST \
1056 $INDEV_LIST \
1057 $OUTDEV_LIST \
c597172e
MR
1058
1059die_unknown(){
1060 echo "Unknown option \"$1\"."
1061 echo "See $0 --help for available options."
1062 exit 1
1063}
1064
794f8e97 1065show_list() {
bf0c4afa
RP
1066 suffix=_$1
1067 shift
1068 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1069 exit 0
1070}
1071
c597172e 1072for opt do
7483e694
DB
1073 optval="${opt#*=}"
1074 case "$opt" in
7483e694
DB
1075 --extra-cflags=*) add_cflags "$optval"
1076 ;;
1077 --extra-ldflags=*) add_ldflags "$optval"
1078 ;;
1079 --extra-libs=*) add_extralibs "$optval"
1080 ;;
8fb1cb58 1081 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1082 ;;
40bcf4c7
BL
1083 --enable-debug=*) debuglevel="$optval"
1084 ;;
7483e694
DB
1085 --enable-*=*|--disable-*=*)
1086 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1087 case "$thing" in
81124ba0 1088 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1089 *) die_unknown "$opt" ;;
1090 esac
1091 ;;
1092 --enable-?*|--disable-?*)
1093 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
e3773a55
MR
1094 if is_in $option $COMPONENT_LIST; then
1095 eval $action \$$(toupper ${option%s})_LIST
1096 elif is_in $option $CMDLINE_SELECT; then
1097 $action $option
1098 else
1099 die_unknown $opt
1100 fi
7483e694
DB
1101 ;;
1102 --list-*)
1103 NAME="${opt#--list-}"
1104 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1105 NAME=${NAME%s}
1106 eval show_list $NAME \$$(toupper $NAME)_LIST
1107 ;;
1108 --help|-h) show_help
1109 ;;
1110 *)
884a36a7 1111 optname="${opt%%=*}"
26759c44
MR
1112 optname="${optname#--}"
1113 optname=$(echo "$optname" | sed 's/-/_/g')
1114 is_in $optname $CMDLINE_SET || die_unknown $opt
1115 eval $optname='$optval'
7483e694
DB
1116 ;;
1117 esac
c597172e
MR
1118done
1119
bcea99bb
MR
1120disabled logging && logfile=/dev/null
1121
1122echo "# $0 $@" > $logfile
1123set >> $logfile
1124
13c7df3d 1125cc_default="${cross_prefix}${cc_default}"
304d586d 1126yasmexe="${cross_prefix}${yasmexe}"
adb2b908
RP
1127ar="${cross_prefix}${ar}"
1128nm="${cross_prefix}${nm}"
1129ranlib="${cross_prefix}${ranlib}"
1130strip="${cross_prefix}${strip}"
1131
13c7df3d
MR
1132set_default cc
1133
e4e69e0b
MR
1134# set temporary file name
1135if test ! -z "$TMPDIR" ; then
1136 TMPDIR1="${TMPDIR}"
1137elif test ! -z "$TEMPDIR" ; then
1138 TMPDIR1="${TEMPDIR}"
1139else
1140 TMPDIR1="/tmp"
1141fi
1142
1143TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1144TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1145TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1146TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1147TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1148TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1149
e9b9a2f8
MN
1150check_cflags -std=c99
1151
b24dbcbd
RP
1152case "$arch" in
1153 i386|i486|i586|i686|i86pc|BePC)
1154 arch="x86_32"
1155 enable fast_unaligned
1156 ;;
1157 x86_64|amd64)
1158 arch="x86_32"
1159 enable fast_unaligned
1160 check_cc <<EOF && enable fast_64bit && arch="x86_64"
1161 int test[sizeof(char*) - 7];
1162EOF
1163 ;;
1164 # armv4l is a subset of armv[567]*l
1165 arm|armv[4567]*l)
1166 arch="armv4l"
1167 ;;
1168 alpha)
1169 arch="alpha"
1170 enable fast_64bit
1171 ;;
1172 "Power Macintosh"|ppc|powerpc)
1173 arch="powerpc"
aa8bc0f1 1174 enable fast_unaligned
b24dbcbd
RP
1175 ;;
1176 ppc64)
1177 arch="powerpc"
1178 enable fast_64bit
aa8bc0f1 1179 enable fast_unaligned
b24dbcbd
RP
1180 ;;
1181 mips|mipsel|IP*)
1182 arch="mips"
1183 ;;
1184 sun4u|sparc64)
1185 arch="sparc64"
1186 enable fast_64bit
1187 ;;
1188 sparc)
1189 arch="sparc"
1190 ;;
1191 sh4)
1192 arch="sh4"
1193 ;;
1194 parisc)
1195 arch="parisc"
1196 ;;
1197 parisc64)
1198 arch="parisc"
1199 enable fast_64bit
1200 ;;
1201 s390|s390x)
1202 arch="s390"
1203 ;;
1204 m68k)
1205 arch="m68k"
1206 ;;
1207 ia64)
1208 arch="ia64"
1209 enable fast_64bit
1210 ;;
1211 bfin)
1212 arch="bfin"
1213 ;;
1214 *)
1215 arch="unknown"
1216 ;;
1217esac
1218
1219enable $arch
1220enabled_any x86_32 x86_64 && enable x86
1221enabled sparc64 && enable sparc
1222
7483e694 1223# OS specific
4f854758 1224case $target_os in
7483e694 1225 beos|haiku|zeta)
c9d19248 1226 prefix_default="$HOME/config"
7483e694
DB
1227 # helps building libavcodec
1228 add_cflags "-DPIC -fomit-frame-pointer"
1229 # 3 gcc releases known for BeOS, each with ugly bugs
1230 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1231 case "$gcc_version" in
1232 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1233 disable mmx
1234 ;;
1235 *20010315*) echo "BeBits gcc"
1236 add_cflags "-fno-expensive-optimizations"
1237 ;;
1238 esac
7483e694
DB
1239 SHFLAGS=-nostart
1240 # enable BeOS things
1241 enable audio_beos
1242 # no need for libm, but the inet stuff
1243 # Check for BONE
1244 # XXX: actually should check for NOT net_server
78fe7631 1245 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1246 network_extralibs="-lbind -lsocket"
1247 else
1248 enable beos_netserver
1249 network_extralibs="-lnet"
1250 fi ;;
1251 sunos)
1252 FFSERVERLDFLAGS=""
9987769a 1253 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694
DB
1254 network_extralibs="-lsocket -lnsl"
1255 ;;
1256 netbsd)
1257 oss_demuxer_extralibs="-lossaudio"
1258 oss_muxer_extralibs="-lossaudio"
1259 ;;
1260 openbsd)
1261 disable need_memalign
1262 LIBOBJFLAGS='$(PIC)'
7483e694
DB
1263 SHFLAGS='-shared'
1264 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1265 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1266 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1267 oss_demuxer_extralibs="-lossaudio"
1268 oss_muxer_extralibs="-lossaudio"
1269 ;;
1270 freebsd)
1271 disable need_memalign
1272 ;;
1273 bsd/os)
1274 osextralibs="-lpoll -lgnugetopt"
1275 strip="strip -d"
1276 ;;
1277 darwin)
1278 disable need_memalign
0138c54e 1279 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
9987769a 1280 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
7483e694
DB
1281 strip="strip -x"
1282 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1283 SLIBSUF=".dylib"
1284 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1285 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1286 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1287 objformat="macho"
1b0f6fb8 1288 enabled x86_64 && objformat="macho64"
7483e694
DB
1289 ;;
1290 mingw32*)
4f854758 1291 target_os=mingw32
dcc01c06
RP
1292 LIBTARGET=i386
1293 if test $arch = x86_64; then
1294 disable need_memalign
1295 LIBTARGET=x64
1296 fi
fbd971a4 1297 shlibdir_default="$bindir_default"
7483e694
DB
1298 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1299 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1300 if enabled swscale; then
7483e694
DB
1301 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1302 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1303 fi
1304 disable ffserver
1305 SLIBPREF=""
1306 SLIBSUF=".dll"
1307 EXESUF=".exe"
1308 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1309 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
dcc01c06 1310 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1311 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1312 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1313 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
71c61f62 1314 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1315 objformat="win32"
bc574408 1316 enable dos_paths
7483e694
DB
1317 ;;
1318 cygwin*)
4f854758 1319 target_os=cygwin
fbd971a4 1320 shlibdir_default="$bindir_default"
7483e694
DB
1321 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1322 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1323 if enabled swscale; then
7483e694
DB
1324 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1325 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1326 fi
1327 EXESUF=".exe"
1328 SLIBPREF="cyg"
1329 SLIBSUF=".dll"
1330 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1331 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1332 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1333 objformat="win32"
bc574408 1334 enable dos_paths
7483e694 1335 ;;
4f365f37 1336 *-dos|freedos|opendos)
4f365f37
MK
1337 disable ffplay ffserver vhook
1338 disable $INDEV_LIST $OUTDEV_LIST
1339 network_extralibs="-lsocket"
1340 EXESUF=".exe"
304d586d 1341 objformat="win32"
bc574408 1342 enable dos_paths
4f365f37 1343 ;;
7483e694 1344 linux)
7483e694
DB
1345 enable dv1394
1346 ;;
1347 irix*)
4f854758 1348 target_os=irix
7483e694
DB
1349 ranlib="echo ignoring ranlib"
1350 ;;
d22e8442 1351 os/2*)
d22e8442
DY
1352 strip="lxlite"
1353 ln_s="cp -f"
d22e8442
DY
1354 EXESUF=".exe"
1355 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1356 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1357 FFSERVERLDFLAGS=""
287d3b13 1358 LIBSUF="_s.a"
d22e8442
DY
1359 SLIBPREF=""
1360 SLIBSUF=".dll"
1361 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1362 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1363 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1364 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1365 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1366 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1367 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1368 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1369 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1370 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1371 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1372 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
c6eed369 1373 disable vhook
bc574408 1374 enable dos_paths
d22e8442 1375 ;;
269820f1
PR
1376 interix)
1377 disable vhook
1378 ;;
d22e8442 1379
7483e694 1380 *)
4f854758 1381 target_os="${target_os}-UNKNOWN"
7483e694
DB
1382 ;;
1383esac
1384
c9d19248
MR
1385set_default $PATHS_LIST
1386
c597172e 1387add_extralibs $osextralibs
de6d9b64 1388
28d8e661
DB
1389# Combine FFLDFLAGS and the LDFLAGS environment variable.
1390LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1391
497237c7 1392test -n "$cross_prefix" && enable cross_compile
1ea46bed 1393
320d060a 1394# we need to build at least one lib type
93b3c083 1395if ! enabled_any static shared; then
320d060a
DB
1396 cat <<EOF
1397At least one library type must be built.
1398Specify --enable-static to build the static libraries or --enable-shared to
1399build the shared libraries as well. To only build the shared libraries specify
1400--disable-static in addition to --enable-shared.
1401EOF
1402 exit 1;
1403fi
1404
abc4e572 1405disabled static && LIBNAME=""
2a320695 1406
a2234ceb
RP
1407if enabled_any libfaad libfaadbin ; then
1408 if check_header faad.h; then
295b8c70 1409 check_cc <<EOF
a2234ceb
RP
1410#include <faad.h>
1411#ifndef FAAD2_VERSION
1412ok faad1
1413#endif
db817cf3 1414int main(void) { return 0; }
a2234ceb
RP
1415EOF
1416 test $? = 0 && enable libfaad2
1417 else
ff3dac65 1418 die "FAAD test failed."
a2234ceb
RP
1419 fi
1420fi
1421
1422
93b3c083 1423if ! enabled gpl; then
54118497
RP
1424 die_gpl_disabled(){
1425 name=$1
1426 shift
1427 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1428 }
4a24ab64 1429 die_gpl_disabled "The Postprocessing code" postproc
1cc60c47
DB
1430 die_gpl_disabled "libx264" libx264
1431 die_gpl_disabled "libxvidcore" libxvid
54118497
RP
1432 die_gpl_disabled "FAAD2" libfaad2
1433 die_gpl_disabled "The X11 grabber" x11grab
13ca50f3 1434 die_gpl_disabled "The software scaler" swscale
ebb810d9 1435fi
b2e3c528 1436
3fe142e2
DB
1437if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1438 die "libamr is nonfree and --enable-nonfree is not specified."
1439fi
1440
9eeed841 1441check_deps $ARCH_EXT_LIST
0f3cb305 1442
5d323602
MR
1443test -z "$need_memalign" && need_memalign="$mmx"
1444
cf9d24ad 1445#Darwin CC versions
4f854758 1446if test $target_os = darwin; then
3dddba4b 1447 if $cc -v 2>&1 | grep -q xlc; then
30a3e5d4 1448 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
cf9d24ad 1449 else
8541cc27 1450 add_cflags "-pipe"
26c1b3be
DB
1451 check_cflags "-force_cpusubtype_ALL"
1452 check_cflags "-Wno-sign-compare"
f946a9a4 1453 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1454 fi
2a1a6b64
MN
1455fi
1456
40617a6d 1457disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1458
a4adb608 1459# Add processor-specific flags
38d0a8aa 1460if test $cpu != "generic"; then
bc8ec47b
MR
1461 warn_altivec(){
1462 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1463 }
38d0a8aa 1464 case $cpu in
bb270c08 1465 601|ppc601|PowerPC601)
1c5d830c 1466 add_cflags "-mcpu=601"
bc8ec47b 1467 warn_altivec enabled PPC601
bb270c08
DB
1468 ;;
1469 603*|ppc603*|PowerPC603*)
1c5d830c 1470 add_cflags "-mcpu=603"
bc8ec47b 1471 warn_altivec enabled PPC603
bb270c08
DB
1472 ;;
1473 604*|ppc604*|PowerPC604*)
1c5d830c 1474 add_cflags "-mcpu=604"
bc8ec47b 1475 warn_altivec enabled PPC604
bb270c08
DB
1476 ;;
1477 G3|g3|75*|ppc75*|PowerPC75*)
1c5d830c 1478 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
bc8ec47b 1479 warn_altivec enabled PPC75x
bb270c08
DB
1480 ;;
1481 G4|g4|745*|ppc745*|PowerPC745*)
1c5d830c 1482 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
bc8ec47b 1483 warn_altivec disabled PPC745x
bb270c08
DB
1484 ;;
1485 74*|ppc74*|PowerPC74*)
1c5d830c 1486 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
bc8ec47b 1487 warn_altivec disabled PPC74xx
bb270c08
DB
1488 ;;
1489 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1c5d830c 1490 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
bc8ec47b 1491 warn_altivec disabled PPC970
9cafbd6c 1492 enable ppc64
bb270c08 1493 ;;
e07e357d
LB
1494 Cell|CELL|cell)
1495 add_cflags "-mcpu=cell"
1496 warn_altivec disabled Cell
9cafbd6c 1497 enable ppc64
e07e357d 1498 ;;
e7768fc5
GP
1499 # targets that do NOT support conditional mov (cmov)
1500 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
38d0a8aa 1501 add_cflags "-march=$cpu"
497237c7 1502 disable cmov
e7768fc5
GP
1503 ;;
1504 # targets that do support conditional mov (cmov)
416519dd 1505 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
e7768fc5 1506 add_cflags "-march=$cpu"
497237c7
RP
1507 enable cmov
1508 enable fast_cmov
94e4c3a3
GP
1509 ;;
1510 # targets that do support conditional mov but on which it's slow
800a5a19 1511 pentium4|pentium4m|prescott|nocona)
94e4c3a3 1512 add_cflags "-march=$cpu"
497237c7
RP
1513 enable cmov
1514 disable fast_cmov
bb270c08 1515 ;;
d7b34d08 1516 sparc64)
1c5d830c 1517 add_cflags "-mcpu=v9"
d7b34d08 1518 ;;
f2e49553
MR
1519 arm11*|cortex*)
1520 add_cflags "-mcpu=$cpu"
1521 enable fast_unaligned
1522 ;;
0223bd6f
MR
1523 armv*)
1524 add_cflags "-march=$cpu"
1525 ;;
f2e49553 1526 arm*)
6b19786b
MR
1527 add_cflags "-mcpu=$cpu"
1528 ;;
bb270c08 1529 *)
7483e694 1530 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1531 ;;
a4adb608
MN
1532 esac
1533fi
1534
be0d52ab 1535# make sure we can execute files in $TMPDIR
2270b4b2 1536cat > $TMPSH 2>> $logfile <<EOF
be0d52ab
MR
1537#! /bin/sh
1538EOF
2270b4b2
DB
1539chmod +x $TMPSH >> $logfile 2>&1
1540if ! $TMPSH >> $logfile 2>&1; then
be0d52ab
MR
1541 cat <<EOF
1542Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
68300911
DB
1543variable to another directory and make sure that $TMPDIR1 is not mounted
1544noexec.
be0d52ab
MR
1545EOF
1546 die "Sanity test failed."
1547fi
edd08265 1548rm $TMPSH
be0d52ab 1549
1a268acc
MR
1550# compiler sanity check
1551check_exec <<EOF
c23a0ac8 1552int main(void){ return 0; }
1a268acc
MR
1553EOF
1554if test "$?" != 0; then
1555 echo "$cc is unable to create an executable file."
93b3c083 1556 if test -z "$cross_prefix" && ! enabled cross_compile ; then
db6107b6 1557 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
c7ae6345 1558 echo "Only do this if you know what cross compiling means."
1a268acc
MR
1559 fi
1560 die "C compiler test failed."
1561fi
1562
b4d96ba2
MR
1563check_cc <<EOF || die "Symbol mangling check failed."
1564int ff_extern;
1565EOF
2f05d9c1 1566sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1567extern_prefix=${sym%%ff_extern*}
1568
61d251db
MR
1569check_asm inline_asm '""'
1570
9eeed841 1571if enabled x86; then
44965991
PI
1572 # check whether EBP is available on x86
1573 # As 'i' is stored on the stack, this program will crash
1574 # if the base pointer is used to access it because the
1575 # base pointer is cleared in the inline assembly code.
7dfef245 1576 check_exec_crash <<EOF && enable ebp_available
44965991 1577 volatile int i=0;
be449fca 1578 __asm__ volatile (
44965991
PI
1579 "xorl %%ebp, %%ebp"
1580 ::: "%ebp");
1581 return i;
44965991
PI
1582EOF
1583
1584 # check wether EBX is available on x86
940f335a 1585 check_asm ebx_available '"":::"%ebx"'
8e380710 1586
d7f0920b 1587 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1588 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
d7f0920b 1589 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
6bd859d6
MR
1590
1591 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d
LM
1592
1593 YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1594 enabled x86_64 && append YASMFLAGS "-m amd64"
1595 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1596 case "$objformat" in
1597 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1598 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1599 *) append YASMFLAGS "-DPREFIX" ;;
1600 esac
1601 check_yasm "pabsw xmm0, xmm0" && enable yasm
44965991
PI
1602fi
1603
87ea51e0
LB
1604# check for assembler specific support
1605
cc6a90dd 1606if test $arch = "powerpc"; then
5eb39de9 1607 check_asm dcbzl '"dcbzl 0, 1"'
87ea51e0
LB
1608fi
1609
57bd82d4
MR
1610# check for SIMD availability
1611
115329f1 1612# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1613if enabled altivec; then
3ed1a2ee
DB
1614 check_cflags -maltivec -mabi=altivec &&
1615 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1616 check_cflags -faltivec
b6e52719 1617
0182fee8 1618 # check if our compiler supports Motorola AltiVec C API
497237c7 1619 check_cc <<EOF || disable altivec
dcd479c0 1620$inc_altivec_h
a9a07762
MN
1621int main(void) {
1622 vector signed int v1, v2, v3;
1623 v1 = vec_add(v2,v3);
1624 return 0;
1625}
1626EOF
b006b26c
DB
1627
1628 # check if our compiler supports braces for vector declarations
80a61f08 1629 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 1630$inc_altivec_h
80a61f08 1631int main (void) { (vector int) {1}; return 0; }
b006b26c 1632EOF
a9a07762 1633fi
ab6c65f6 1634
b4e806b2
MC
1635# We have to check if pld is a nop and disable it.
1636enabled armv4l && check_asm pld '"pld [r0]"'
940f335a
MR
1637enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1638enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
f55b299a 1639enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
1640enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1641enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 1642enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 1643enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 1644
8b03def6
DB
1645enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1646
57bd82d4
MR
1647# ---
1648# big/little-endian test
9eebe687
MR
1649check_cc <<EOF || die "endian test failed"
1650unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 1651EOF
d04d9e16 1652od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 1653
a3999908 1654# ---
3d204385
NK
1655# check availability of some header files
1656
a98bb16d
RP
1657if check_func dlopen; then
1658 ldl=
1659elif check_func dlopen -ldl; then
1660 ldl=-ldl
8bf5d58f
MN
1661fi
1662
7483e694
DB
1663check_func fork
1664check_func gethrtime
1665check_func getrusage
094c09bb 1666check_func inet_aton $network_extralibs
7483e694
DB
1667check_func memalign
1668check_func mkstemp
2446d3d6 1669check_func_headers windows.h GetProcessTimes
6ffa87d3 1670
e16e49ac 1671check_header conio.h
a98bb16d
RP
1672check_header dlfcn.h
1673check_header malloc.h
bf6ce82d 1674check_header poll.h
b58412f1 1675check_header sys/mman.h
b091aa44 1676check_header sys/resource.h
bf6ce82d 1677check_header sys/select.h
a98bb16d
RP
1678check_header termios.h
1679
1680if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1681 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1682fi
e16e49ac 1683
e8214e0e 1684enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib
f402916e 1685enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
1686
1687# check for some common methods of building with pthread support
1688# do this before the optional library checks as some of them require pthreads
1689if enabled pthreads; then
9e7fd101
MR
1690 if check_func pthread_create; then
1691 :
1692 elif check_func pthread_create -pthread; then
1693 add_cflags -pthread
afc9aee2 1694 add_extralibs -pthread
9e7fd101
MR
1695 elif check_func pthread_create -pthreads; then
1696 add_cflags -pthreads
afc9aee2 1697 add_extralibs -pthreads
8d94f606
GT
1698 elif check_func pthread_create -lpthreadGC2; then
1699 add_extralibs -lpthreadGC2
9e7fd101
MR
1700 elif ! check_lib pthread.h pthread_create -lpthread; then
1701 die "ERROR: can't find pthreads library"
1702 fi
57bd82d4
MR
1703fi
1704
8eee7025 1705for thread in $THREADS_LIST; do
e5f94c2b 1706 if enabled $thread; then
3ae3b721
RP
1707 test -n "$thread_type" &&
1708 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 1709 thread_type="$thread"
e5f94c2b
RP
1710 fi
1711done
1712
fdf88598
MR
1713check_lib math.h sin -lm
1714
a33cab3a
MK
1715# test for C99 functions in math.h
1716for func in llrint lrint lrintf round roundf; do
1717 check_exec <<EOF && enable $func || disable $func
f32adb22 1718#include <math.h>
a33cab3a 1719int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 1720EOF
a33cab3a 1721done
f32adb22 1722
57bd82d4 1723# these are off by default, so fail if requested and not available
79fda097 1724enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
7483e694
DB
1725enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1726enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
e3cc7d6f 1727enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
36718e51
DB
1728 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1729 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
1730enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1731enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694
DB
1732enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1733enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1734enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
36718e51
DB
1735enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1736 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 1737enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
7483e694
DB
1738enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1739enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
36718e51 1740enabled libx264 && require x264 x264.h x264_encoder_open -lx264 -lm &&
57f0ec6e
MR
1741 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1742 die "ERROR: libx264 version must be >= 0.65."; }
7483e694
DB
1743enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1744enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 1745
0b4a1821
AS
1746# libdc1394 check
1747if enabled libdc1394; then
1748 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1749 enable libdc1394_2; } ||
1750 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1751 enable libdc1394_1; } ||
1752 die "ERROR: No version of libdc1394 found "
1753fi
1754
1755
c13e1abd
FH
1756_restrict=
1757for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 1758 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
1759void foo(char * $restrict_keyword p);
1760EOF
c13e1abd
FH
1761done
1762
703afd07 1763test "$vhook" = "default" && vhook="$dlopen"
a8721c09 1764
4f854758 1765if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
497237c7 1766 disable vhook
fbb9d104 1767 echo
b0268cc0 1768 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
fbb9d104
VP
1769 echo "Patches welcome."
1770 echo
1771fi
1772
8d923001
MR
1773if enabled vhook; then
1774 check_ldflags -rdynamic
1775 check_ldflags -export-dynamic
1776fi
bfd2edeb 1777
eea50282
MR
1778check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1779check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
04511d53 1780
a86b921c 1781##########################################
29799f8b 1782# SDL check
a86b921c 1783
497237c7
RP
1784disable sdl_too_old
1785disable sdl
6a1a892f 1786SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 1787if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
225e21ef
MR
1788 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1789 temp_cflags $sdl_cflags
dcd479c0 1790 temp_extralibs `"${SDL_CONFIG}" --libs`
1ca5d97f 1791 if check_lib2 SDL.h SDL_Init; then
dcd479c0 1792 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
29f3b38a 1793 if test "$_sdlversion" -lt 121 ; then
497237c7 1794 enable sdl_too_old
dcd479c0 1795 else
497237c7 1796 enable sdl
225e21ef 1797 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 1798#include <SDL.h>
d6773f56 1799int main(int argc, char **argv){
29f3b38a
MR
1800 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1801 int w = vi->current_w;
1802 return 0;
1803}
1804EOF
dcd479c0
MR
1805 fi
1806 fi
29f3b38a 1807 restore_flags
c3f6b472 1808fi
57bd82d4 1809
2270b4b2 1810texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 1811
7a91333f 1812##########################################
73b46a95
RP
1813# Network check
1814
1815if enabled network; then
668b65bd 1816 check_type sys/socket.h socklen_t
73b46a95
RP
1817 # Prefer arpa/inet.h over winsock2
1818 if check_header arpa/inet.h ; then
1819 check_func closesocket
1820 elif check_header winsock2.h ; then
ea10ddde 1821 network_extralibs="-lws2_32"
72be9e73 1822 check_type ws2tcpip.h socklen_t
2446d3d6 1823 check_func_headers winsock2.h closesocket
73b46a95
RP
1824 fi
1825fi
1826
1827##########################################
29799f8b 1828# IPv6 check
7a91333f 1829
497237c7 1830enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
1831#include <sys/types.h>
1832#include <sys/socket.h>
1833#include <netinet/in.h>
1834#include <netdb.h>
db817cf3 1835int main(void) {
7483e694
DB
1836 struct sockaddr_storage saddr;
1837 struct ipv6_mreq mreq6;
1838 getaddrinfo(0,0,0,0);
1839 getnameinfo(0,0,0,0,0,0,0);
1840 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
1841}
1842EOF
1843
06e31011
RP
1844check_header linux/videodev.h
1845check_header linux/videodev2.h
1b6e8b73 1846check_header sys/videoio.h
47f38850 1847
2446d3d6 1848check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 1849
f8aa696f 1850# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
1851{ check_header dev/bktr/ioctl_meteor.h &&
1852 check_header dev/bktr/ioctl_bt848.h; } ||
1853{ check_header machine/ioctl_meteor.h &&
1854 check_header machine/ioctl_bt848.h; } ||
1855{ check_header dev/video/meteor/ioctl_meteor.h &&
1856 check_header dev/video/bktr/ioctl_bt848.h; } ||
1857check_header dev/ic/bt8xx.h
f8aa696f 1858
c7682de0
RP
1859check_header sys/soundcard.h
1860check_header soundcard.h
deb29777 1861
7483e694 1862# deal with the X11 frame grabber
56a059ac 1863enabled x11grab &&
f58f4ce1
GP
1864check_header X11/Xlib.h &&
1865check_header X11/extensions/XShm.h &&
1866check_func XOpenDisplay -lX11 &&
06eab4ba 1867check_func XShmCreateImage -lX11 -lXext
f58f4ce1 1868
40bcf4c7 1869enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
1870
1871# add some useful compiler flags if supported
1872check_cflags -Wdeclaration-after-statement
dcd479c0
MR
1873check_cflags -Wall
1874check_cflags -Wno-switch
c07bd6a9
MN
1875check_cflags -Wdisabled-optimization
1876check_cflags -Wpointer-arith
1877check_cflags -Wredundant-decls
cc1fb623 1878check_cflags -Wno-pointer-sign
f4929996 1879check_cflags -Wcast-qual
9aceb3cf 1880check_cflags -Wwrite-strings
652a5bf6 1881check_cflags -Wtype-limits
5af4e0cc 1882enabled extra_warnings && check_cflags -Winline
cf9d24ad 1883
57bd82d4 1884# add some linker flags
5c0e9479 1885check_ldflags -Wl,--warn-common
8351d2ba
DB
1886check_ldflags -Wl,--as-needed
1887check_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 1888check_ldflags -Wl,-Bsymbolic
94a3401e 1889
bd2216e4
MR
1890if enabled small; then
1891 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
1892 optimizations="small"
1893elif enabled optimizations; then
3dddba4b 1894 if $cc -v 2>&1 | grep -q xlc; then
30a3e5d4
NP
1895 add_cflags "-O5"
1896 add_ldflags "-O5"
cf9d24ad 1897 else
30a3e5d4 1898 add_cflags "-O3"
cf9d24ad 1899 fi
cddf3f45 1900fi
11fdbc44 1901check_cflags -fno-math-errno
b2eb2ff0 1902check_cflags -fno-signed-zeros
cddf3f45 1903
504a64b9 1904# add some flags for Intel C Compiler
0c45cd07 1905if $cc --version 2> /dev/null | grep -q Intel; then
504a64b9
CEH
1906 # Just warnings, no remarks
1907 check_cflags -w1
1908 # -wd: Disable following warnings
1909 # 144, 167, 556: -Wno-pointer-sign
1910 # 10006: ignoring unknown option -fno-signed-zeros
1911 # 10156: ignoring option '-W'; no argument required
1912 check_cflags -wd144,167,556,10006,10156
1913 # 11030: Warning unknown option --as-needed
1914 # 10156: ignoring option '-export'; no argument required
1915 check_ldflags -wd10156,11030
907eb3b5
CEH
1916 # Allow to compile with optimizations
1917 check_ldflags -march=$cpu
504a64b9
CEH
1918fi
1919
80581e98 1920# PIC flags for shared library objects where they are needed
5af4e0cc 1921if enabled shared; then
569cb218
MR
1922 # LIBOBJFLAGS may have already been set in the OS configuration
1923 if test -z "$LIBOBJFLAGS" ; then
1924 case "$arch" in
b6bd7268 1925 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
1926 esac
1927 fi
80581e98
MN
1928fi
1929
90be59ef 1930if enabled gprof; then
30a3e5d4
NP
1931 add_cflags "-p"
1932 add_ldflags "-p"
1db54e20
DB
1933fi
1934
3b26ee47 1935VHOOKCFLAGS="-fPIC"
18451f7d 1936
7f3c02fc 1937# Find out if the .align argument is a power of two or not.
4454dc1b 1938if test $asmalign_pot = "unknown"; then
497237c7 1939 disable asmalign_pot
be449fca 1940 echo '__asm__ (".align 3");' | check_cc && enable asmalign_pot
4454dc1b
JD
1941fi
1942
7483e694
DB
1943enabled_any $DECODER_LIST && enable decoders
1944enabled_any $ENCODER_LIST && enable encoders
1945enabled_any $BSF_LIST && enable bsfs
1946enabled_any $DEMUXER_LIST && enable demuxers
1947enabled_any $MUXER_LIST && enable muxers
f7679c54 1948enabled_any $FILTER_LIST && enable filters
7483e694
DB
1949enabled_any $INDEV_LIST && enable demuxers
1950enabled_any $OUTDEV_LIST && enable muxers
1951enabled_any $PROTOCOL_LIST && enable protocols
1952
1953enabled_any $THREADS_LIST && enable threads
1954
1955check_deps $CONFIG_LIST \
1956 $HAVE_LIST \
1957 $DECODER_LIST \
1958 $ENCODER_LIST \
1959 $PARSER_LIST \
1960 $BSF_LIST \
1961 $DEMUXER_LIST \
1962 $MUXER_LIST \
f7679c54 1963 $FILTER_LIST \
7483e694
DB
1964 $INDEV_LIST \
1965 $OUTDEV_LIST \
1966 $PROTOCOL_LIST \
f70f03f6 1967
f7b8bffe 1968enabled libdc1394 && append pkg_requires "libraw1394"
690bfceb 1969enabled libdirac && append pkg_requires "dirac"
fb2ce7d9 1970enabled libtheora && append pkg_requires "theora"
f9def9cc 1971enabled libvorbis && append pkg_requires "vorbisenc"
fb2ce7d9 1972
3e89171a 1973echo "install prefix $prefix"
f36958f8
DB
1974echo "source path $source_path"
1975echo "C compiler $cc"
bfd5afd8 1976echo ".align is power-of-two $asmalign_pot"
f36958f8 1977echo "ARCH $arch ($cpu)"
ce8871c2
MR
1978if test "$build_suffix" != ""; then
1979 echo "build suffix $build_suffix"
eb94aca9 1980fi
ac63af34
DB
1981if test "$extra_version" != ""; then
1982 echo "version string suffix $extra_version"
1983fi
0db2ce77 1984echo "big-endian ${bigendian-no}"
419b8784 1985if test $arch = "x86_32" -o $arch = "x86_64"; then
af44e8e4 1986 echo "yasm ${yasm-no}"
0db2ce77
MR
1987 echo "MMX enabled ${mmx-no}"
1988 echo "CMOV enabled ${cmov-no}"
1989 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
1990 echo "EBX available ${ebx_available-no}"
1991 echo "EBP available ${ebp_available-no}"
e41e8342 1992fi
cc6a90dd 1993if test $arch = "armv4l"; then
0db2ce77
MR
1994 echo "ARMv5TE enabled ${armv5te-no}"
1995 echo "ARMv6 enabled ${armv6-no}"
f55b299a 1996 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 1997 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 1998 echo "NEON enabled ${neon-no}"
eba9ae3c 1999fi
e241ba14 2000if test $arch = "mips"; then
0db2ce77 2001 echo "MMI enabled ${mmi-no}"
e41e8342 2002fi
cc6a90dd 2003if test $arch = "powerpc"; then
0db2ce77
MR
2004 echo "AltiVec enabled ${altivec-no}"
2005 echo "dcbzl available ${dcbzl-no}"
e41e8342 2006fi
0db2ce77
MR
2007echo "gprof enabled ${gprof-no}"
2008echo "debug symbols ${debug-no}"
87a0fb62 2009echo "strip symbols ${stripping-no}"
8400d6b8 2010echo "optimizations ${optimizations-no}"
0db2ce77
MR
2011echo "static ${static-no}"
2012echo "shared ${shared-no}"
4a24ab64 2013echo "postprocessing support ${postproc-no}"
13ca50f3 2014echo "software scaler enabled ${swscale-no}"
f7679c54 2015echo "new filter support ${avfilter-no}"
81124ba0 2016echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2017echo "video hooking ${vhook-no}"
90be59ef 2018if enabled vhook; then
0db2ce77
MR
2019 echo "Imlib2 support ${imlib2-no}"
2020 echo "FreeType support ${freetype2-no}"
68892110 2021fi
0db2ce77 2022echo "network support ${network-no}"
90be59ef 2023if enabled network; then
0db2ce77 2024 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2025fi
0db2ce77
MR
2026echo "threading support ${thread_type-no}"
2027echo "SDL support ${sdl-no}"
90be59ef 2028if enabled sdl_too_old; then
bfd5afd8
DB
2029 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2030fi
0db2ce77
MR
2031echo "Sun medialib support ${mlib-no}"
2032echo "AVISynth enabled ${avisynth-no}"
0db2ce77
MR
2033echo "libamr-nb support ${libamr_nb-no}"
2034echo "libamr-wb support ${libamr_wb-no}"
f7b8bffe 2035echo "libdc1394 support ${libdc1394-no}"
690bfceb 2036echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2037echo "libfaac enabled ${libfaac-no}"
2038echo "libfaad enabled ${libfaad-no}"
7e0871a7 2039echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2040echo "libgsm enabled ${libgsm-no}"
2041echo "libmp3lame enabled ${libmp3lame-no}"
2042echo "libnut enabled ${libnut-no}"
f7cd9eed 2043echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2044echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2045echo "libtheora enabled ${libtheora-no}"
2046echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2047echo "libx264 enabled ${libx264-no}"
2048echo "libxvid enabled ${libxvid-no}"
0db2ce77 2049echo "zlib enabled ${zlib-no}"
f402916e 2050echo "bzlib enabled ${bzlib-no}"
2c62e737 2051echo
de6d9b64 2052
f7679c54 2053for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2054 echo "Enabled ${type}s:"
f65c9da1 2055 eval list=\$$(toupper $type)_LIST
8138b9db 2056 for part in $list; do
f65c9da1
MR
2057 enabled $part && echo ${part%_*}
2058 done | sort | pr -3 -t
2059 echo
8138b9db
RP
2060done
2061
ba321adb
JK
2062license="LGPL"
2063if enabled nonfree; then
2064 license="unredistributable"
2065elif enabled gpl; then
2066 license="GPL"
2067fi
2068
2069echo "License: $license"
ca5323af 2070
cf1392e9
DB
2071echo "Creating config.mak and config.h..."
2072
29799f8b
DB
2073echo "# Automatically generated by configure - do not modify!" > config.mak
2074echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2075echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2076echo "#define FFMPEG_CONFIG_H" >> $TMPH
0fd12426 2077echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
de6d9b64 2078
d921f03f 2079echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2080echo "prefix=$prefix" >> config.mak
22a324da
DB
2081echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2082echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2083echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2084echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2085echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
980fc7b8 2086echo "CC=$cc" >> config.mak
304d586d 2087echo "YASM=$yasmexe" >> config.mak
980fc7b8 2088echo "AR=$ar" >> config.mak
be7109c1 2089echo "RANLIB=$ranlib" >> config.mak
20369773 2090echo "LN_S=$ln_s" >> config.mak
87a0fb62 2091enabled stripping &&
3ae3b721 2092 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2093 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2094
a9b3f630 2095echo "OPTFLAGS=$CFLAGS" >> config.mak
2270b4b2 2096echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
0f3cb305 2097echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2098echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2099echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2100echo "YASMFLAGS=$YASMFLAGS" >> config.mak
408382a4 2101echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
fbb9d104 2102echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
80581e98 2103echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2104echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2105echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2106echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2107echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2108echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2109echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2110echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2111echo "SLIBSUF=$SLIBSUF" >> config.mak
2112echo "EXESUF=$EXESUF" >> config.mak
ac63af34 2113echo "EXTRA_VERSION=$extra_version" >> config.mak
315c741d 2114echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
4dc62701 2115
90be59ef 2116if enabled bigendian; then
7483e694
DB
2117 echo "WORDS_BIGENDIAN=yes" >> config.mak
2118 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2119fi
44161118 2120
90be59ef 2121if enabled sdl; then
7483e694
DB
2122 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2123 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
a86b921c 2124fi
90be59ef 2125if enabled texi2html; then
7483e694 2126 echo "BUILD_DOC=yes" >> config.mak
146ea952 2127fi
5a872801 2128
719c8e00
MR
2129get_version(){
2130 name=$1
2131 file=$source_path/$2
147e7692
MR
2132 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2133 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2134 lcname=$(tolower $name)
2135 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2136 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2137}
2138
147e7692
MR
2139get_version LIBSWSCALE libswscale/swscale.h
2140get_version LIBPOSTPROC libpostproc/postprocess.h
2141get_version LIBAVCODEC libavcodec/avcodec.h
2142get_version LIBAVDEVICE libavdevice/avdevice.h
2143get_version LIBAVFORMAT libavformat/avformat.h
2144get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2145get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2146
5af4e0cc 2147if enabled shared; then
7483e694
DB
2148 echo "BUILD_SHARED=yes" >> config.mak
2149 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2150 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2151 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2152 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2153 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2154 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2155 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2156 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2157 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2158fi
d7e27559 2159echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2160echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2161
3d907e22
MR
2162print_config ARCH_ $TMPH config.mak $ARCH_LIST
2163print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694
DB
2164print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2165 $DECODER_LIST \
2166 $ENCODER_LIST \
2167 $PARSER_LIST \
2168 $BSF_LIST \
2169 $DEMUXER_LIST \
2170 $MUXER_LIST \
f7679c54 2171 $FILTER_LIST \
7483e694
DB
2172 $PROTOCOL_LIST \
2173 $INDEV_LIST \
2174 $OUTDEV_LIST \
8ac17293 2175
c13e1abd
FH
2176echo "#define restrict $_restrict" >> $TMPH
2177
bd2216e4 2178if enabled small; then
7483e694 2179 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2180fi
2181
997baf01
MR
2182echo "SRC_PATH=\"$source_path\"" >> config.mak
2183echo "SRC_PATH_BARE=$source_path" >> config.mak
2184echo "BUILD_ROOT=\"$PWD\"" >> config.mak
0f3cb305 2185
8156056e 2186# Apparently it's not possible to portably echo a backslash.
3ae3b721 2187enabled asmalign_pot &&
7483e694 2188 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
295b8c70 2189 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2190
b4d96ba2 2191echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2192
9c05103f
DB
2193echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2194
b7860763 2195# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2196cmp -s $TMPH config.h &&
2197 echo "config.h is unchanged" ||
2198 mv -f $TMPH config.h
3d204385 2199
cea0ac52 2200rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
def4272a 2201
165af439 2202# build tree in object directory if source path is different from current one
90be59ef 2203if enabled source_path_used; then
165af439 2204 DIRS="\
7483e694
DB
2205 doc \
2206 libavcodec \
2207 libavcodec/alpha \
2208 libavcodec/armv4l \
2209 libavcodec/bfin \
2210 libavcodec/i386 \
2211 libavcodec/mlib \
2212 libavcodec/ppc \
2213 libavcodec/sh4 \
2214 libavcodec/sparc \
52a9cf34 2215 libavdevice \
f7679c54 2216 libavfilter \
7483e694
DB
2217 libavformat \
2218 libavutil \
2219 libpostproc \
2220 libswscale \
2221 tests \
2222 tools \
2223 vhook \
2224 "
165af439 2225 FILES="\
7483e694
DB
2226 Makefile \
2227 common.mak \
71c61f62 2228 subdir.mak \
7483e694
DB
2229 doc/texi2pod.pl \
2230 libavcodec/Makefile \
52a9cf34 2231 libavdevice/Makefile \
f7679c54 2232 libavfilter/Makefile \
7483e694
DB
2233 libavformat/Makefile \
2234 libavutil/Makefile \
2235 libpostproc/Makefile \
2236 libswscale/Makefile \
2237 "
165af439 2238 for dir in $DIRS ; do
7483e694 2239 mkdir -p $dir
165af439
MR
2240 done
2241 for f in $FILES ; do
20369773 2242 $ln_s "$source_path/$f" $f
165af439
MR
2243 done
2244fi
def4272a 2245
def4272a 2246
d0674868 2247# build pkg-config files
def4272a 2248
d0674868
DB
2249pkgconfig_generate(){
2250name=$1
e426941d 2251shortname=${name#lib}
d0674868
DB
2252comment=$2
2253version=$3
2254libs=$4
2255requires=$5
25cd5cb3 2256cat <<EOF > $name/$name.pc
3e89171a 2257prefix=$prefix
a94e666c 2258exec_prefix=\${prefix}
f2b7382c 2259libdir=$libdir
7622778e 2260includedir=$incdir
def4272a 2261
d0674868
DB
2262Name: $name
2263Description: $comment
2264Version: $version
5dcfe9f8
AH
2265Requires: $(disabled shared && echo $requires)
2266Requires.private: $(enabled shared && echo $requires)
def4272a 2267Conflicts:
12701f6e
AH
2268Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2269Libs.private: $(enabled shared && echo $libs)
76a448ed 2270Cflags: -I\${includedir}
def4272a 2271EOF
25cd5cb3 2272cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2273prefix=
2274exec_prefix=
46d1ff83 2275libdir=\${pcfiledir}
1d44d365 2276includedir=${source_path}
def4272a 2277
d0674868
DB
2278Name: $name
2279Description: $comment
2280Version: $version
2281Requires: $requires
def4272a 2282Conflicts:
12701f6e 2283Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2284Cflags: -I\${includedir}
2285EOF
d0674868 2286}
def4272a 2287
e426941d 2288pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
e426941d 2289pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
e426941d 2290pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
e426941d 2291pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2292enabled avfilter &&
35a71f1d 2293 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2294enabled postproc &&
e426941d 2295 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
13ca50f3 2296if enabled swscale; then
e426941d 2297 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
6c0d0413 2298else
f436a23e 2299 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
25cd5cb3 2300 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
6c0d0413 2301fi