avoid division by zero in av_find_stream_info() when no time base is set
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
f57620d5
MR
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
MR
11# try to make this part work with most shells
12
13try_exec(){
0dbe81bb 14 echo "Trying shell $1"
c21d6325
MR
15 type "$1" >/dev/null 2>&1 && exec "$@"
16}
17
5237ce67 18unset foo
0dbe81bb
MR
19(: ${foo%%bar}) 2>/dev/null
20E1="$?"
21
22(: ${foo?}) 2>/dev/null
23E2="$?"
24
25if test "$E1" != 0 || test "$E2" = 0; then
26 echo "Broken shell detected. Trying alternatives."
c21d6325
MR
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
MR
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"
2ba042a7 59 echo " --log[=FILE|yes|no] log tests and output to FILE [config.err]"
2266e085 60 echo " --prefix=PREFIX install in PREFIX [$PREFIX]"
74c53c2d 61 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
84c22efd 62 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
74c53c2d
MR
63 echo " --incdir=DIR install includes in DIR [PREFIX/include/ffmpeg]"
64 echo " --mandir=DIR install man page in DIR [PREFIX/man]"
74c53c2d
MR
65 echo " --enable-static build static libraries [default=yes]"
66 echo " --disable-static do not build static libraries [default=no]"
67 echo " --enable-shared build shared libraries [default=no]"
68 echo " --disable-shared do not build shared libraries [default=yes]"
0a622b98
MR
69 echo " --enable-gpl allow use of GPL code, the resulting libav*"
70 echo " and ffmpeg will be under GPL [default=no]"
dc922953
DB
71 echo " --enable-pp enable GPLed postprocessing support [default=no]"
72 echo " --enable-swscaler software scaler support [default=no]"
e5f94c2b 73 echo " --enable-beosthreads use BeOS threads [default=no]"
74c53c2d 74 echo " --enable-pthreads use pthreads [default=no]"
eb113804 75 echo " --enable-w32threads use Win32 threads [default=no]"
56a059ac 76 echo " --enable-x11grab enable X11 grabbing [default=no]"
0a622b98
MR
77 echo
78 echo "External library support:"
79 echo " --enable-sunmlib use Sun medialib [default=no]"
74c53c2d
MR
80 echo " --enable-dc1394 enable IIDC-1394 grabbing using libdc1394"
81 echo " and libraw1394 [default=no]"
e2745046
MR
82 echo " --enable-liba52 enable GPLed liba52 support [default=no]"
83 echo " --enable-liba52bin open liba52.so.0 at runtime [default=no]"
8ac17293 84 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
f5a756ef
DB
85 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
86 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
e2745046
MR
87 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
88 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
06f32b26 89 echo " --enable-libfaadbin open libfaad.so.0 at runtime [default=no]"
dc922953 90 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
e2745046 91 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
31235134
DB
92 echo " --enable-libnut enable NUT (de)muxing via libnut,"
93 echo " native demuxer exists [default=no]"
ba5fd8c5 94 echo " --enable-libogg enable Ogg muxing via libogg [default=no]"
71757822 95 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
e2745046 96 echo " --enable-libvorbis enable Vorbis en/decoding via libvorbis,"
31235134 97 echo " native implementations exist [default=no]"
1cc60c47
DB
98 echo " --enable-libx264 enable H.264 encoding via x264 [default=no]"
99 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
31235134 100 echo " native MPEG-4/Xvid encoder exists [default=no]"
74c53c2d
MR
101 echo ""
102 echo "Advanced options (experts only):"
103 echo " --source-path=PATH path to source code [$source_path]"
104 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
fac252f9 105 echo " --cross-compile assume a cross-compiler is used"
abcd6d60 106 echo " --target-os=OS compiler targets OS [$targetos]"
74c53c2d
MR
107 echo " --cc=CC use C compiler CC [$cc]"
108 echo " --make=MAKE use specified make [$make]"
109 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
110 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
111 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
112 echo " --build-suffix=SUFFIX suffix for application specific build []"
cc6a90dd 113 echo " --arch=ARCH select architecture [$arch]"
7c758d33
DB
114 echo " --cpu=CPU selects the minimum cpu required (affects"
115 echo " instruction selection, may crash on older CPUs)"
2b4c3615 116 echo " --enable-powerpc-perf enable performance report on PPC"
74c53c2d
MR
117 echo " (requires enabling PMC)"
118 echo " --disable-mmx disable MMX usage"
1839e854 119 echo " --disable-armv5te disable armv5te usage"
edab3048 120 echo " --disable-armv6 disable armv6 usage"
74c53c2d
MR
121 echo " --disable-iwmmxt disable iwmmxt usage"
122 echo " --disable-altivec disable AltiVec usage"
123 echo " --disable-audio-oss disable OSS audio support [default=no]"
124 echo " --disable-audio-beos disable BeOS audio support [default=no]"
125 echo " --disable-v4l disable video4linux grabbing [default=no]"
126 echo " --disable-v4l2 disable video4linux2 grabbing [default=no]"
127 echo " --disable-bktr disable bktr video grabbing [default=no]"
128 echo " --disable-dv1394 disable DV1394 grabbing [default=no]"
129 echo " --disable-network disable network support [default=no]"
0c7bb0e5 130 echo " --disable-ipv6 disable ipv6 support [default=no]"
74c53c2d 131 echo " --disable-zlib disable zlib [default=no]"
74c53c2d 132 echo " --disable-vhook disable video hooking support"
74c53c2d 133 echo " --disable-debug disable debugging symbols"
74c53c2d
MR
134 echo " --disable-mpegaudio-hp faster (but less accurate)"
135 echo " MPEG audio decoding [default=no]"
786b30af 136 echo " --disable-ffmpeg disable ffmpeg build"
74c53c2d
MR
137 echo " --disable-ffserver disable ffserver build"
138 echo " --disable-ffplay disable ffplay build"
139 echo " --enable-small optimize for size instead of speed"
140 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
74c53c2d
MR
141 echo " --disable-encoder=NAME disables encoder NAME"
142 echo " --enable-encoder=NAME enables encoder NAME"
143 echo " --disable-decoder=NAME disables decoder NAME"
144 echo " --enable-decoder=NAME enables decoder NAME"
145 echo " --disable-encoders disables all encoders"
146 echo " --disable-decoders disables all decoders"
ff70e601
MR
147 echo " --disable-muxer=NAME disables muxer NAME"
148 echo " --enable-muxer=NAME enables muxer NAME"
74c53c2d 149 echo " --disable-muxers disables all muxers"
ff70e601
MR
150 echo " --disable-demuxer=NAME disables demuxer NAME"
151 echo " --enable-demuxer=NAME enables demuxer NAME"
74c53c2d 152 echo " --disable-demuxers disables all demuxers"
af9e7d18
MR
153 echo " --enable-parser=NAME enables parser NAME"
154 echo " --disable-parser=NAME disables parser NAME"
155 echo " --disable-parsers disables all parsers"
cd61e407
JM
156 echo " --enable-bsf=NAME enables bitstream filter NAME"
157 echo " --disable-bsf=NAME disables bitstream filter NAME"
158 echo " --disable-bsfs disables all bitstream filters"
c08fb000
AB
159 echo " --enable-protocol=NAME enables protocol NAME"
160 echo " --disable-protocol=NAME disables protocol NAME"
161 echo " --disable-protocols disables all protocols"
0a622b98
MR
162 echo
163 echo "Developer options (useful when working on FFmpeg itself):"
164 echo " --enable-gprof enable profiling with gprof [$gprof]"
165 echo " --disable-opts disable compiler optimizations"
166 echo " --enable-extra-warnings enable more compiler warnings"
167 echo " --disable-strip disable stripping of executables and shared libraries"
74c53c2d
MR
168 echo ""
169 echo "NOTE: Object files are built at the place where configure is launched."
170 exit 1
171}
cf9d24ad 172
57bd82d4
MR
173log(){
174 echo "$@" >>$logfile
175}
176
720c69da 177log_file(){
c8e9f801
MR
178 log BEGIN $1
179 cat -n $1 >>$logfile
180 log END $1
181}
182
2ba042a7 183echolog(){
c8e9f801 184 log "$@"
57bd82d4 185 echo "$@"
2ba042a7
MR
186}
187
188die(){
189 echolog "$@"
190 cat <<EOF
191If you think configure made a mistake, make sure you are using the latest
192version from SVN. If the latest version fails, report the problem to the
193ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
194EOF
720c69da 195 if enabled logging; then
2ba042a7
MR
196 cat <<EOF
197Include the log file "$logfile" produced by configure as this will help
198solving the problem.
199EOF
200 else
201cat <<EOF
202Rerun configure with logging enabled (do not use --log=no), and include the
203log this produces with your report.
204EOF
205 fi
57bd82d4
MR
206 rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
207 exit 1
208}
209
904e48f1 210# "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
44161118
MR
211toupper(){
212 echo "$@" | tr '[a-z]' '[A-Z]'
213}
214
4a5444db
MR
215tolower(){
216 echo "$@" | tr '[A-Z]' '[a-z]'
217}
218
a8d04fba
MR
219set_all(){
220 value=$1
221 shift
222 for var in $*; do
223 eval $var=$value
224 done
225}
226
799c9e9b
MR
227pushvar(){
228 for var in $*; do
229 eval level=\${${var}_level:=0}
230 eval ${var}_${level}="\$$var"
231 eval ${var}_level=$(($level+1))
232 done
233}
234
235popvar(){
236 for var in $*; do
237 eval level=\${${var}_level:-0}
238 test $level = 0 && continue
239 eval level=$(($level-1))
240 eval $var="\${${var}_${level}}"
241 eval ${var}_level=$level
242 eval unset ${var}_${level}
243 done
244}
245
a8d04fba
MR
246enable(){
247 set_all yes $*
248}
249
250disable(){
251 set_all no $*
252}
253
57bd82d4 254enabled(){
44161118
MR
255 eval test "x\$$1" = "xyes"
256}
257
37970ebf
RP
258disabled(){
259 eval test "x\$$1" = "xno"
260}
261
44161118
MR
262enabled_all(){
263 for opt; do
264 enabled $opt || return 1
265 done
266}
267
85bca2c5
DB
268disabled_all(){
269 for opt; do
270 disabled $opt || return 1
271 done
272}
273
44161118
MR
274enabled_any(){
275 for opt; do
276 enabled $opt && return 0
277 done
278}
279
85bca2c5
DB
280disabled_any(){
281 for opt; do
282 disabled $opt && return 0
283 done
284}
285
30fd06be
MR
286check_deps(){
287 for cfg; do
799c9e9b
MR
288 enabled ${cfg}_checking && die "Circular dependency for $cfg."
289 disabled ${cfg}_checking && continue
290 enable ${cfg}_checking
291
30fd06be
MR
292 eval dep_all="\$${cfg}_deps"
293 eval dep_any="\$${cfg}_deps_any"
799c9e9b
MR
294
295 pushvar cfg dep_all dep_any
296 check_deps $dep_all $dep_any
297 popvar cfg dep_all dep_any
298
30fd06be
MR
299 enabled_all $dep_all || disable $cfg
300 enabled_any $dep_any || disable $cfg
799c9e9b
MR
301
302 disable ${cfg}_checking
30fd06be
MR
303 done
304}
305
44161118
MR
306print_config(){
307 pfx=$1
308 header=$2
309 makefile=$3
310 shift 3
311 for cfg; do
3d907e22 312 ucname="`toupper $cfg`"
44161118 313 if enabled $cfg; then
3d907e22
MR
314 echo "#define ${pfx}${ucname} 1" >> $header
315 echo "#define ENABLE_${ucname} 1" >> $header
316 echo "${pfx}${ucname}=yes" >> $makefile
317 else
318 echo "#define ENABLE_${ucname} 0" >> $header
44161118
MR
319 fi
320 done
57bd82d4
MR
321}
322
323flags_saved(){
324 (: ${SAVE_CFLAGS?}) 2>/dev/null
325}
326
dcd479c0 327save_flags(){
57bd82d4 328 flags_saved && return
dcd479c0
MR
329 SAVE_CFLAGS="$CFLAGS"
330 SAVE_LDFLAGS="$LDFLAGS"
331 SAVE_extralibs="$extralibs"
332}
333
334restore_flags(){
f5d28d10 335 flags_saved || return
dcd479c0
MR
336 CFLAGS="$SAVE_CFLAGS"
337 LDFLAGS="$SAVE_LDFLAGS"
338 extralibs="$SAVE_extralibs"
339 unset SAVE_CFLAGS
340 unset SAVE_LDFLAGS
341 unset SAVE_extralibs
342}
343
344temp_cflags(){
345 save_flags
346 CFLAGS="$CFLAGS $*"
347}
348
349temp_ldflags(){
350 save_flags
351 LDFLAGS="$LDFLAGS $*"
352}
353
354temp_extralibs(){
355 save_flags
356 extralibs="$extralibs $*"
357}
358
57bd82d4
MR
359append(){
360 var=$1
361 shift
362 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
363 eval "$var=\"\$$var $*\""
364}
365
366add_cflags(){
367 append CFLAGS "$@"
368}
369
370add_ldflags(){
371 append LDFLAGS "$@"
372}
373
374add_extralibs(){
375 append extralibs "$@"
376}
377
b0cfb663 378check_cmd(){
b3cb5d51 379 log "$@"
9b4f605c 380 "$@" >>$logfile 2>&1
b0cfb663
MR
381}
382
dcd479c0 383check_cc(){
57bd82d4
MR
384 log check_cc "$@"
385 cat >$TMPC
720c69da 386 log_file $TMPC
b0cfb663 387 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
388}
389
390check_cpp(){
391 log check_cpp "$@"
dcd479c0 392 cat >$TMPC
720c69da 393 log_file $TMPC
b0cfb663 394 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
395}
396
397check_ld(){
57bd82d4 398 log check_ld "$@"
0607887f 399 check_cc || return
3155a644
MR
400 flags=''
401 libs=''
402 for f; do
403 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
404 done
405 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
406}
407
408check_cflags(){
57bd82d4
MR
409 log check_cflags "$@"
410 check_cc "$@" <<EOF && add_cflags "$@"
dcd479c0
MR
411int x;
412EOF
413}
414
415check_ldflags(){
57bd82d4
MR
416 log check_ldflags "$@"
417 check_ld "$@" <<EOF && add_ldflags "$@"
418int main(){
419 return 0;
420}
dcd479c0
MR
421EOF
422}
423
424check_header(){
57bd82d4 425 log check_header "$@"
dcd479c0
MR
426 header=$1
427 shift
d8bc5f06
MR
428 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
429 disable $var
430 check_cpp "$@" <<EOF && enable $var
dcd479c0
MR
431#include <$header>
432int x;
433EOF
434}
435
436check_func(){
57bd82d4 437 log check_func "$@"
dcd479c0
MR
438 func=$1
439 shift
d8bc5f06
MR
440 disable $func
441 check_ld "$@" <<EOF && enable $func
dcd479c0
MR
442extern int $func();
443int main(){
444 $func();
445}
446EOF
447}
448
f8d7b072
MR
449check_func2(){
450 log check_func2 "$@"
451 headers=$1
452 func=$2
453 shift 2
454 disable $func
455 incs=""
456 for hdr in $headers; do
457 incs="$incs
458#include <$hdr>"
459 done
460 check_ld "$@" <<EOF && enable $func
461$incs
462int main(){
463 (void) $func;
464 return 0;
465}
466EOF
467}
468
57bd82d4
MR
469check_lib(){
470 log check_lib "$@"
471 header="$1"
472 func="$2"
473 shift 2
fcfcde17
MR
474 temp_extralibs "$@"
475 check_header $header && check_func $func && add_extralibs "$@"
476 err=$?
477 restore_flags
478 return $err
57bd82d4
MR
479}
480
f8d7b072
MR
481check_lib2(){
482 log check_lib2 "$@"
483 headers="$1"
484 func="$2"
485 shift 2
486 temp_extralibs "$@"
487 check_func2 "$headers" $func && add_extralibs "$@"
488 err=$?
489 restore_flags
490 return $err
491}
492
dcd479c0 493check_exec(){
90be59ef 494 check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
57bd82d4
MR
495}
496
7dfef245
MR
497check_exec_crash(){
498 code=`cat`
499
500 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
501 # are safe but may not be available everywhere. Thus we use
502 # raise(SIGTERM) instead. The check is run in a subshell so we
503 # can redirect the "Terminated" message from the shell. SIGBUS
504 # is not defined by standard C so it is used conditionally.
505
506 (check_exec "$@") >>$logfile 2>&1 <<EOF
507#include <signal.h>
508static void sighandler(int sig){
509 raise(SIGTERM);
510}
511int main(){
512 signal(SIGILL, sighandler);
513 signal(SIGFPE, sighandler);
514 signal(SIGSEGV, sighandler);
515#ifdef SIGBUS
516 signal(SIGBUS, sighandler);
517#endif
518 { $code }
519}
520EOF
521}
522
57bd82d4
MR
523require(){
524 name="$1"
525 header="$2"
526 func="$3"
527 shift 3
528 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
529}
530
f8d7b072
MR
531require2(){
532 name="$1"
533 headers="$2"
534 func="$3"
535 shift 3
536 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
537}
538
eea50282
MR
539check_foo_config(){
540 cfg=$1
541 pkg=$2
542 header=$3
543 func=$4
544 shift 4
545 disable $cfg
546 check_cmd ${pkg}-config --version
547 err=$?
548 if test "$err" = 0; then
549 temp_cflags `${pkg}-config --cflags`
550 temp_extralibs `${pkg}-config --libs`
551 check_lib "$@" $header $func && enable $cfg
552 fi
553 return $err
554}
555
c505dd31
MR
556apply(){
557 file=$1
558 shift
559 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
560}
561
c88f5d72
MR
562CONFIG_LIST='
563 encoders
564 decoders
565 parsers
cd61e407 566 bsfs
c88f5d72
MR
567 muxers
568 demuxers
c88f5d72
MR
569 audio_beos
570 audio_oss
571 avisynth
572 beos_netserver
573 bktr
574 dc1394
c88f5d72 575 dv1394
c88f5d72
MR
576 ffmpeg
577 ffplay
578 ffserver
579 gpl
ecfc4f44 580 gprof
c88f5d72 581 ipv6
7bc5f2a8 582 liba52
f8904fd9 583 liba52bin
f5a756ef
DB
584 libamr
585 libamr_nb
586 libamr_wb
2eed5a46
DB
587 libfaac
588 libfaad
589 libfaadbin
c88f5d72 590 libgsm
6ebe07fb 591 libmp3lame
c88f5d72
MR
592 libnut
593 libogg
150d2772 594 libtheora
c88f5d72 595 libvorbis
1cc60c47
DB
596 libx264
597 libxvid
c88f5d72 598 memalign_hack
c88f5d72
MR
599 mpegaudio_hp
600 network
2b4c3615 601 powerpc_perf
c88f5d72
MR
602 pp
603 protocols
bd2216e4 604 small
c88f5d72
MR
605 swscaler
606 vhook
afde41b4
MR
607 v4l
608 v4l2
56a059ac 609 x11grab
c88f5d72
MR
610 zlib
611'
612
8eee7025
DB
613THREADS_LIST='
614 beosthreads
8eee7025
DB
615 pthreads
616 w32threads
617'
618
3f5b56e5
MR
619ARCH_LIST='
620 alpha
621 armv4l
622 bfin
623 ia64
624 m68k
625 mips
626 parisc
627 powerpc
628 s390
629 sh4
630 sparc
631 sparc64
632 x86
633 x86_32
634 x86_64
635'
636
637ARCH_EXT_LIST='
1ac9331a 638 altivec
1ac9331a 639 armv5te
edab3048 640 armv6
3f5b56e5
MR
641 iwmmxt
642 mmi
643 mmx
9eeed841 644 ssse3
3f5b56e5
MR
645'
646
647HAVE_LIST="
648 $ARCH_EXT_LIST
649 $THREADS_LIST
650 altivec_h
c9fdab0d 651 arpa_inet_h
c88f5d72 652 byteswap_h
1ac9331a 653 cmov
e16e49ac 654 conio_h
c88f5d72 655 dcbzl
f8aa696f
DB
656 dev_bktr_ioctl_bt848_h
657 dev_bktr_ioctl_meteor_h
658 dev_ic_bt8xx_h
659 dev_video_meteor_ioctl_meteor_h
660 dev_video_bktr_ioctl_bt848_h
18b67ae5 661 dlfcn_h
c88f5d72 662 dlopen
245626d0
DB
663 ebp_available
664 ebx_available
c2a29455 665 fast_64bit
7073e9fc 666 fast_cmov
7b829d2a 667 fast_unaligned
9d99cc5a 668 fork
c88f5d72 669 freetype2
7495c306 670 GetProcessTimes
66be5b45 671 getrusage
c88f5d72 672 imlib2
2e1913b1 673 inet_aton
c88f5d72 674 lrintf
f8aa696f
DB
675 machine_ioctl_bt848_h
676 machine_ioctl_meteor_h
c88f5d72
MR
677 malloc_h
678 memalign
6ffa87d3 679 mkstemp
c88f5d72 680 mlib
9cafbd6c 681 ppc64
c88f5d72
MR
682 sdl
683 sdl_video_size
deb29777 684 soundcard_h
b0c858d8 685 sys_poll_h
deb29777 686 sys_soundcard_h
e16e49ac 687 termios_h
b265431e 688 threads
0cb78cef 689"
44161118 690
520cc7f1 691CMDLINE_SELECT="
3f5b56e5 692 $ARCH_EXT_LIST
520cc7f1 693 $CONFIG_LIST
8eee7025 694 $THREADS_LIST
520cc7f1
MR
695 debug
696 extra_warnings
520cc7f1
MR
697 shared
698 static
699"
700
912f3148
DB
701# code dependency declarations
702
9eeed841
MR
703# architecture extensions
704altivec_deps="powerpc"
705armv5te_deps="armv4l"
706armv6_deps="armv4l"
707iwmmxt_deps="armv4l"
708mmi_deps="mips"
709mmx_deps="x86"
710ssse3_deps="x86"
711
912f3148 712# decoders / encoders
33a0dd37 713dxa_decoder_deps="zlib"
30fd06be 714flashsv_decoder_deps="zlib"
773be23a 715flashsv_encoder_deps="zlib"
4a815a7f 716flv_decoder_deps="h263_decoder"
df495dbd 717h263_decoder_deps="h263_parser mpeg4video_parser"
4a815a7f 718h263i_decoder_deps="h263_decoder"
26b4fe82 719h264_decoder_deps="h264_parser"
30fd06be 720mpeg_xvmc_decoder_deps="xvmc"
4a815a7f
DB
721mpeg4_decoder_deps="h263_decoder"
722msmpeg4v1_decoder_deps="h263_decoder"
723msmpeg4v2_decoder_deps="h263_decoder"
724msmpeg4v3_decoder_deps="h263_decoder"
30fd06be
MR
725png_decoder_deps="zlib"
726png_encoder_deps="zlib"
4a815a7f
DB
727vc1_decoder_deps="h263_decoder"
728wmv1_decoder_deps="h263_decoder"
729wmv2_decoder_deps="h263_decoder"
730wmv3_decoder_deps="h263_decoder"
30fd06be
MR
731zmbv_decoder_deps="zlib"
732zmbv_encoder_deps="zlib"
733
912f3148 734# external libraries
30fd06be 735mpeg4aac_decoder_deps="libfaad"
7bc5f2a8 736liba52_decoder_deps="liba52"
f5a756ef
DB
737libamr_nb_decoder_deps="libamr_nb"
738libamr_nb_encoder_deps="libamr_nb"
739libamr_wb_decoder_deps="libamr_wb"
740libamr_wb_encoder_deps="libamr_wb"
c9171a83 741libfaac_encoder_deps="libfaac"
69ddbd1d 742libfaad_decoder_deps="libfaad"
299c77d5
MR
743libgsm_decoder_deps="libgsm"
744libgsm_encoder_deps="libgsm"
8ffed8d8
MR
745libgsm_ms_decoder_deps="libgsm"
746libgsm_ms_encoder_deps="libgsm"
1cc60c47 747libmp3lame_encoder_deps="libmp3lame"
150d2772 748libtheora_encoder_deps="libtheora"
b0caf888
DB
749libvorbis_decoder_deps="libvorbis"
750libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
751libx264_encoder_deps="libx264"
752libxvid_encoder_deps="libxvid"
30fd06be 753
912f3148 754# demuxers / muxers
03a76ba9 755ac3_demuxer_deps="ac3_parser"
30fd06be
MR
756audio_demuxer_deps_any="audio_oss audio_beos"
757audio_muxer_deps_any="audio_oss audio_beos"
758dc1394_demuxer_deps="dc1394"
759dv1394_demuxer_deps="dv1394"
d7c59247
DB
760libnut_demuxer_deps="libnut"
761libnut_muxer_deps="libnut"
4bd8e17c 762mp3_demuxer_deps="mpegaudio_parser"
30fd06be
MR
763ogg_muxer_deps="libogg"
764redir_demuxer_deps="network"
47b515bf 765rtp_muxer_deps="network mpegts_demuxer"
c08fb000
AB
766rtsp_demuxer_deps="rtp_protocol rtp_muxer"
767sdp_demuxer_deps="rtsp_demuxer"
afde41b4 768v4l2_demuxer_deps="v4l2"
3af6d5cf
DB
769video_grab_bktr_demuxer_deps="bktr"
770video_grab_v4l_demuxer_deps="v4l"
30fd06be
MR
771x11_grab_device_demuxer_deps="x11grab"
772
912f3148 773# protocols
c08fb000
AB
774http_protocol_deps="network"
775rtp_protocol_deps="udp_protocol"
776tcp_protocol_deps="network"
777udp_protocol_deps="network"
778
912f3148 779# programs
fa859b4d 780ffplay_deps="sdl"
c08fb000 781ffserver_deps="muxers rtp_protocol"
a2830dca 782
912f3148 783
0f3cb305 784# set temporary file name
57514323 785if test ! -z "$TMPDIR" ; then
0f3cb305 786 TMPDIR1="${TMPDIR}"
57514323 787elif test ! -z "$TEMPDIR" ; then
0f3cb305 788 TMPDIR1="${TEMPDIR}"
3d204385 789else
0f3cb305 790 TMPDIR1="/tmp"
3d204385
NK
791fi
792
0f3cb305
FB
793TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
794TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
f3ec2d46 795TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
0f3cb305
FB
796TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
797TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
798
de6d9b64 799# default parameters
8a608357 800
720c69da 801logging="yes"
2ba042a7 802logfile="config.err"
8a608357
MR
803
804# installation paths
2266e085
DB
805PREFIX="/usr/local"
806libdir='${PREFIX}/lib'
84c22efd 807shlibdir="$libdir"
2266e085
DB
808incdir='${PREFIX}/include/ffmpeg'
809mandir='${PREFIX}/man'
810bindir='${PREFIX}/bin'
8a608357
MR
811
812# toolchain
0f3cb305 813cross_prefix=""
fac252f9 814cross_compile="no"
de6d9b64
FB
815cc="gcc"
816ar="ar"
be7109c1 817ranlib="ranlib"
4a908fbc 818make="make"
0f3cb305 819strip="strip"
8a608357
MR
820asmalign_pot="unknown"
821
822# machine
cc6a90dd 823arch=`uname -m`
38d0a8aa 824cpu="generic"
8a608357 825
8a608357 826# OS
b9663405 827targetos=$(tolower $(uname -s))
8a608357
MR
828
829# non-library system interfaces
8a608357 830audio_oss="yes"
3eac5c63 831bktr="yes"
8aa3ee32 832dv1394="yes"
afde41b4
MR
833v4l2="yes"
834v4l="yes"
8a608357
MR
835
836# libraries
8a608357
MR
837zlib="yes"
838
839# configurable options
cddf3f45 840debug="yes"
65d1bea2 841dostrip="yes"
8a608357
MR
842ffmpeg="yes"
843ffplay="yes"
844ffserver="yes"
845gpl="no"
8a608357 846ipv6="yes"
5af4e0cc
MR
847shared="no"
848static="yes"
8a608357 849memalign_hack="no"
1eb2212e 850mpegaudio_hp="yes"
8a608357
MR
851network="yes"
852optimize="yes"
8a608357 853protocols="yes"
8a608357
MR
854vhook="default"
855
8a608357 856# build settings
baa3a937 857SHFLAGS='-shared -Wl,-soname,$@'
cab3ef82 858VHOOKSHFLAGS='$(SHFLAGS)'
80581e98 859LIBOBJFLAGS=""
5c0e9479 860FFLDFLAGS=
e240ee67 861LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
c536cb09 862FFSERVERLDFLAGS=-Wl,-E
f39e56a8 863LDCONFIG="ldconfig"
f3ec2d46
SG
864LIBPREF="lib"
865LIBSUF=".a"
4bdd05e7 866LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
f3ec2d46
SG
867SLIBPREF="lib"
868SLIBSUF=".so"
4bdd05e7 869SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
b29bddab
DB
870SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
871SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
951bf3e6 872EXESUF=""
eb94aca9 873BUILDSUF=""
d4596ae3 874LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
ef0bc4c9 875
c597172e
MR
876# find source path
877source_path="`dirname \"$0\"`"
878source_path_used="yes"
879if test -z "$source_path" -o "$source_path" = "." ; then
880 source_path="`pwd`"
881 source_path_used="no"
882else
883 source_path="`cd \"$source_path\"; pwd`"
884 echo "$source_path" | grep -q '[[:blank:]]' &&
885 die "Out of tree builds are impossible with whitespace in source path."
886fi
887
888if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
889 show_help
890fi
891
892FFMPEG_CONFIGURATION="$@"
893
facbea95
AJ
894ENCODER_LIST=`sed -n 's/^[^#]*ENC.*(.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
895DECODER_LIST=`sed -n 's/^[^#]*DEC.*(.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
896PARSER_LIST=`sed -n 's/^[^#]*PARSER.*(.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
897BSF_LIST=`sed -n 's/^[^#]*BSF.*(.*, *\(.*\)).*/\1_bsf/p' "$source_path/libavcodec/allcodecs.c"`
898MUXER_LIST=`sed -n 's/^[^#]*_MUX.*(.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
899DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*(.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
900PROTOCOL_LIST=`sed -n 's/^[^#]*PROTOCOL.*(.*, *\(.*\)).*/\1_protocol/p' "$source_path/libavformat/allformats.c"`
c597172e 901
cd61e407 902enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST $PROTOCOL_LIST $BSF_LIST
d3ea5692 903enable $ARCH_EXT_LIST
c597172e
MR
904
905die_unknown(){
906 echo "Unknown option \"$1\"."
907 echo "See $0 --help for available options."
908 exit 1
909}
910
911for opt do
912 optval="${opt#*=}"
913 case "$opt" in
914 --log)
915 ;;
916 --log=*) logging="$optval"
917 ;;
918 --prefix=*) PREFIX="$optval"
919 ;;
920 --libdir=*) libdir="$optval"
921 ;;
922 --shlibdir=*) shlibdir="$optval"
923 ;;
924 --incdir=*) incdir="$optval"
925 ;;
926 --mandir=*) mandir="$optval"
927 ;;
928 --source-path=*) source_path="$optval"
929 ;;
930 --cross-prefix=*) cross_prefix="$optval"
931 ;;
932 --cross-compile) cross_compile="yes"
933 ;;
934 --target-os=*) targetos="$optval"
935 ;;
936 --cc=*) cc="$optval"
937 ;;
938 --make=*) make="$optval"
939 ;;
940 --extra-cflags=*) add_cflags "$optval"
941 ;;
942 --extra-ldflags=*) add_ldflags "$optval"
943 ;;
944 --extra-libs=*) add_extralibs "$optval"
945 ;;
946 --build-suffix=*) BUILDSUF="$optval"
947 ;;
948 --arch=*) arch="$optval"
949 ;;
950 --cpu=*) cpu="$optval"
951 ;;
c597172e
MR
952 --disable-opts) optimize="no"
953 ;;
c597172e
MR
954 --enable-sunmlib) mlib="yes"
955 ;;
956 --disable-strip) dostrip="no"
957 ;;
958 --disable-encoders) disable $ENCODER_LIST
959 ;;
960 --disable-decoders) disable $DECODER_LIST
961 ;;
962 --disable-muxers) disable $MUXER_LIST
963 ;;
964 --disable-demuxers) disable $DEMUXER_LIST
965 ;;
966 --disable-parsers) disable $PARSER_LIST
967 ;;
cd61e407
JM
968 --disable-bsfs) disable $BSF_LIST
969 ;;
c08fb000
AB
970 --disable-protocols) disable $PROTOCOL_LIST
971 ;;
c597172e
MR
972 --enable-*=*|--disable-*=*)
973 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
974 case "$thing" in
cd61e407 975 encoder|decoder|muxer|demuxer|parser|bsf|protocol) $action ${optval}_${thing} ;;
c597172e
MR
976 *) die_unknown "$opt" ;;
977 esac
978 ;;
979 --enable-?*|--disable-?*)
980 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
981 echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
982 $action $option
983 ;;
984 --help) show_help
985 ;;
986 *)
987 die_unknown $opt
988 ;;
989 esac
990done
991
270739bb
MR
992case "$arch" in
993 i386|i486|i586|i686|i86pc|BePC)
994 arch="x86_32"
7b829d2a 995 enable fast_unaligned
270739bb
MR
996 ;;
997 x86_64|amd64)
998 arch="x86_32"
7b829d2a 999 enable fast_unaligned
270739bb
MR
1000 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
1001 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
1002 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
1003 arch="x86_64"
c2a29455 1004 enable fast_64bit
270739bb
MR
1005 fi
1006 fi
1007 ;;
1008 # armv4l is a subset of armv[567]*l
1009 arm|armv[4567]*l)
1010 arch="armv4l"
1011 ;;
1012 alpha)
1013 arch="alpha"
c2a29455 1014 enable fast_64bit
270739bb 1015 ;;
c2a29455 1016 "Power Macintosh"|ppc|powerpc)
270739bb
MR
1017 arch="powerpc"
1018 ;;
c2a29455
AJ
1019 ppc64)
1020 arch="powerpc"
1021 enable fast_64bit
1022 ;;
270739bb
MR
1023 mips|mipsel|IP*)
1024 arch="mips"
1025 ;;
1026 sun4u|sparc64)
1027 arch="sparc64"
c2a29455 1028 enable fast_64bit
270739bb
MR
1029 ;;
1030 sparc)
1031 arch="sparc"
1032 ;;
1033 sh4)
1034 arch="sh4"
1035 ;;
c2a29455
AJ
1036 parisc)
1037 arch="parisc"
1038 ;;
1039 parisc64)
270739bb 1040 arch="parisc"
c2a29455 1041 enable fast_64bit
270739bb
MR
1042 ;;
1043 s390|s390x)
1044 arch="s390"
1045 ;;
1046 m68k)
1047 arch="m68k"
1048 ;;
1049 ia64)
1050 arch="ia64"
c2a29455 1051 enable fast_64bit
270739bb
MR
1052 ;;
1053 bfin)
1054 arch="bfin"
1055 ;;
1056 *)
1057 arch="unknown"
1058 ;;
1059esac
1060
9eeed841
MR
1061enable $arch
1062enabled_any x86_32 x86_64 && enable x86
1063enabled sparc64 && enable sparc
1064
ef0bc4c9 1065# OS specific
c597172e 1066osextralibs="-lm"
ced75d92 1067case $targetos in
4a5444db 1068 beos|haiku|zeta)
74cec57d 1069 PREFIX="$HOME/config"
d474299a
MR
1070 # helps building libavcodec
1071 add_cflags "-DPIC -fomit-frame-pointer"
1072 # 3 gcc releases known for BeOS, each with ugly bugs
1073 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1074 case "$gcc_version" in
1075 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1076 mmx="no"
1077 ;;
1078 *20010315*) echo "BeBits gcc"
1079 add_cflags "-fno-expensive-optimizations"
1080 ;;
1081 esac
74cec57d 1082 LDCONFIG="echo ignoring ldconfig"
d474299a
MR
1083 SHFLAGS=-nostart
1084 # disable Linux things
d474299a
MR
1085 dv1394="no"
1086 # enable BeOS things
c597172e 1087 disabled audio_beos || enable_audio_beos
d474299a
MR
1088 # no need for libm, but the inet stuff
1089 # Check for BONE
74cec57d 1090 # XXX: actually should check for NOT net_server
d474299a 1091 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
c597172e 1092 osextralibs="-lbind -lsocket"
d474299a
MR
1093 else
1094 beos_netserver="yes"
c597172e 1095 osextralibs="-lnet"
d474299a 1096 fi ;;
4a5444db 1097 sunos)
d474299a 1098 dv1394="no"
d474299a
MR
1099 FFLDFLAGS=""
1100 FFSERVERLDFLAGS=""
1101 SHFLAGS="-shared -Wl,-h,\$@"
1102 add_extralibs "-lsocket -lnsl"
1103 ;;
4a5444db 1104 netbsd)
d474299a 1105 dv1394="no"
d474299a
MR
1106 add_extralibs "-lossaudio"
1107 ;;
4a5444db 1108 openbsd)
d474299a
MR
1109 dv1394="no"
1110 need_memalign="no"
d474299a
MR
1111 LIBOBJFLAGS="\$(PIC)"
1112 LDCONFIG="ldconfig -m \$(shlibdir)"
1113 SHFLAGS='-shared'
1114 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1115 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1116 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1117 add_extralibs "-lossaudio"
1118 ;;
4a5444db 1119 freebsd)
d474299a 1120 dv1394="no"
d474299a
MR
1121 need_memalign="no"
1122 add_cflags "-pthread"
1123 ;;
4a5444db 1124 gnu/kfreebsd)
d474299a
MR
1125 dv1394="no"
1126 add_cflags "-pthread"
1127 ;;
4a5444db 1128 bsd/os)
d474299a 1129 dv1394="no"
c597172e 1130 osextralibs="-lpoll -lgnugetopt -lm"
d474299a
MR
1131 strip="strip -d"
1132 ;;
4a5444db 1133 darwin)
d474299a
MR
1134 dv1394="no"
1135 need_memalign="no"
1136 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1137 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
c597172e 1138 osextralibs=""
d474299a
MR
1139 strip="strip -x"
1140 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1141 SLIBSUF=".dylib"
1142 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1143 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1144 FFSERVERLDFLAGS=-Wl,-bind_at_load
1145 ;;
4a5444db 1146 mingw32*)
91c5172d 1147 targetos=mingw32
5880d5b5 1148 shlibdir="$bindir"
4ec9ec81 1149 dv1394="no"
1bdf0fe7
RP
1150 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1151 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
4ec9ec81
MR
1152 ffserver="no"
1153 network="no"
4ec9ec81
MR
1154 SLIBPREF=""
1155 SLIBSUF=".dll"
1156 EXESUF=".exe"
1157 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1158 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1159 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1160 SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
d205abe9 1161 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base"
124bed6f 1162 enabled network && add_extralibs -lws2_32
d474299a 1163 ;;
4a5444db 1164 cygwin*)
ced75d92 1165 targetos=cygwin
d474299a 1166 shlibdir="$bindir"
d474299a 1167 dv1394="no"
41d5a86a
VP
1168 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1169 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1170 if enabled swscaler; then
1171 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1172 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1173 fi
c597172e 1174 osextralibs=""
d474299a
MR
1175 EXESUF=".exe"
1176 SLIBPREF="cyg"
1177 SLIBSUF=".dll"
1178 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1179 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
d205abe9 1180 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a -Wl,--enable-auto-image-base'
d474299a 1181 ;;
4a5444db 1182 linux)
d474299a
MR
1183 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1184 ;;
4a5444db 1185 irix*)
ced75d92 1186 targetos=irix
d474299a 1187 ranlib="echo ignoring ranlib"
d474299a 1188 ;;
d474299a
MR
1189 *)
1190 targetos="${targetos}-UNKNOWN"
1191 ;;
ef0bc4c9 1192esac
de6d9b64 1193
c597172e 1194add_extralibs $osextralibs
de6d9b64 1195
e3c00e34 1196if ! disabled logging ; then
90be59ef 1197 enabled logging || logfile="$logging"
57bd82d4
MR
1198 echo "# $0 $@" >$logfile
1199 set >>$logfile
2ba042a7
MR
1200else
1201 logfile=/dev/null
57bd82d4 1202fi
e89b8b0a 1203
28d8e661
DB
1204# Combine FFLDFLAGS and the LDFLAGS environment variable.
1205LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1206
fac252f9 1207test -n "$cross_prefix" && cross_compile=yes
1ea46bed
MR
1208cc="${cross_prefix}${cc}"
1209ar="${cross_prefix}${ar}"
1210ranlib="${cross_prefix}${ranlib}"
1211strip="${cross_prefix}${strip}"
1212
320d060a 1213# we need to build at least one lib type
5af4e0cc 1214if disabled_all static shared; then
320d060a
DB
1215 cat <<EOF
1216At least one library type must be built.
1217Specify --enable-static to build the static libraries or --enable-shared to
1218build the shared libraries as well. To only build the shared libraries specify
1219--disable-static in addition to --enable-shared.
1220EOF
1221 exit 1;
1222fi
1223
ddf50e4c
RP
1224if disabled libogg; then
1225 enabled libtheora && die "libogg must be enabled to enable libtheora."
1226 enabled libvorbis && die "libogg must be enabled to enable libvorbis."
5c5dea3f
NB
1227fi
1228
a2234ceb
RP
1229if enabled_any libfaad libfaadbin ; then
1230 if check_header faad.h; then
1231 check_cc << EOF
1232#include <faad.h>
1233#ifndef FAAD2_VERSION
1234ok faad1
1235#endif
1236int main( void ) { return 0; }
1237EOF
1238 test $? = 0 && enable libfaad2
1239 else
ff3dac65 1240 die "FAAD test failed."
a2234ceb
RP
1241 fi
1242fi
1243
1244
47f9cc15 1245if disabled gpl ; then
54118497
RP
1246 die_gpl_disabled(){
1247 name=$1
1248 shift
1249 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1250 }
1251 die_gpl_disabled "The Postprocessing code" pp
7bc5f2a8 1252 die_gpl_disabled "liba52" liba52
1cc60c47
DB
1253 die_gpl_disabled "libx264" libx264
1254 die_gpl_disabled "libxvidcore" libxvid
54118497
RP
1255 die_gpl_disabled "FAAD2" libfaad2
1256 die_gpl_disabled "The X11 grabber" x11grab
1257 die_gpl_disabled "The software scaler" swscaler
ebb810d9 1258fi
b2e3c528 1259
9eeed841 1260check_deps $ARCH_EXT_LIST
0f3cb305 1261
5d323602
MR
1262test -z "$need_memalign" && need_memalign="$mmx"
1263
cf9d24ad 1264#Darwin CC versions
75388c74 1265needmdynamicnopic="no"
ced75d92 1266if test $targetos = darwin; then
b2924696 1267 if test -n "`$cc -v 2>&1 | grep xlc`"; then
30a3e5d4 1268 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
cf9d24ad 1269 else
26c1b3be
DB
1270 add_cflags "-no-cpp-precomp -pipe"
1271 check_cflags "-force_cpusubtype_ALL"
1272 check_cflags "-Wno-sign-compare"
1273 disabled shared && needmdynamicnopic="yes"
cf9d24ad 1274 fi
2a1a6b64 1275fi
074a9d2b 1276enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
2a1a6b64 1277
703afd07 1278disabled optimize || add_cflags -fomit-frame-pointer
cf9d24ad 1279
a4adb608 1280# Add processor-specific flags
38d0a8aa 1281if test $cpu != "generic"; then
bc8ec47b
MR
1282 warn_altivec(){
1283 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1284 }
38d0a8aa 1285 case $cpu in
bb270c08 1286 601|ppc601|PowerPC601)
1c5d830c 1287 add_cflags "-mcpu=601"
bc8ec47b 1288 warn_altivec enabled PPC601
bb270c08
DB
1289 ;;
1290 603*|ppc603*|PowerPC603*)
1c5d830c 1291 add_cflags "-mcpu=603"
bc8ec47b 1292 warn_altivec enabled PPC603
bb270c08
DB
1293 ;;
1294 604*|ppc604*|PowerPC604*)
1c5d830c 1295 add_cflags "-mcpu=604"
bc8ec47b 1296 warn_altivec enabled PPC604
bb270c08
DB
1297 ;;
1298 G3|g3|75*|ppc75*|PowerPC75*)
1c5d830c 1299 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
bc8ec47b 1300 warn_altivec enabled PPC75x
bb270c08
DB
1301 ;;
1302 G4|g4|745*|ppc745*|PowerPC745*)
1c5d830c 1303 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
bc8ec47b 1304 warn_altivec disabled PPC745x
bb270c08
DB
1305 ;;
1306 74*|ppc74*|PowerPC74*)
1c5d830c 1307 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
bc8ec47b 1308 warn_altivec disabled PPC74xx
bb270c08
DB
1309 ;;
1310 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1c5d830c 1311 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
bc8ec47b 1312 warn_altivec disabled PPC970
9cafbd6c 1313 enable ppc64
bb270c08 1314 ;;
e07e357d
LB
1315 Cell|CELL|cell)
1316 add_cflags "-mcpu=cell"
1317 warn_altivec disabled Cell
9cafbd6c 1318 enable ppc64
e07e357d 1319 ;;
e7768fc5
GP
1320 # targets that do NOT support conditional mov (cmov)
1321 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
38d0a8aa 1322 add_cflags "-march=$cpu"
e7768fc5
GP
1323 cmov="no"
1324 ;;
1325 # targets that do support conditional mov (cmov)
416519dd 1326 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
e7768fc5 1327 add_cflags "-march=$cpu"
4c8d81fa 1328 cmov="yes"
7073e9fc 1329 fast_cmov="yes"
94e4c3a3
GP
1330 ;;
1331 # targets that do support conditional mov but on which it's slow
1332 pentium4|prescott|nocona)
1333 add_cflags "-march=$cpu"
1334 cmov="yes"
7073e9fc 1335 fast_cmov="no"
bb270c08 1336 ;;
d7b34d08 1337 sparc64)
1c5d830c 1338 add_cflags "-mcpu=v9"
d7b34d08 1339 ;;
8684704b
MH
1340 bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1341 add_cflags "-mfdpic"
846dffeb 1342 add_ldflags "-mfdpic"
8684704b 1343 ;;
bb270c08 1344 *)
38d0a8aa 1345 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1346 ;;
a4adb608
MN
1347 esac
1348fi
1349
412c1562
MR
1350gnu_make(){
1351 $1 --version 2>&1 | grep -q GNU
1352}
1353
1354if ! gnu_make $make; then
1355 gnu_make gmake && make=gmake || die "GNU make not found."
1356fi
1357
be0d52ab
MR
1358# make sure we can execute files in $TMPDIR
1359cat >$TMPE 2>>$logfile <<EOF
1360#! /bin/sh
1361EOF
1362chmod +x $TMPE >>$logfile 2>&1
1363if ! $TMPE >>$logfile 2>&1; then
1364 cat <<EOF
1365Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
68300911
DB
1366variable to another directory and make sure that $TMPDIR1 is not mounted
1367noexec.
be0d52ab
MR
1368EOF
1369 die "Sanity test failed."
1370fi
0244f743 1371rm $TMPE
be0d52ab 1372
1a268acc
MR
1373# compiler sanity check
1374check_exec <<EOF
1375int main(){
1376 return 0;
1377}
1378EOF
1379if test "$?" != 0; then
1380 echo "$cc is unable to create an executable file."
d6ceace3 1381 if test -z "$cross_prefix" && disabled cross_compile ; then
1a268acc 1382 echo "If $cc is a cross-compiler, use the --cross-compile option."
c7ae6345 1383 echo "Only do this if you know what cross compiling means."
1a268acc
MR
1384 fi
1385 die "C compiler test failed."
1386fi
1387
9eeed841 1388if enabled x86; then
44965991
PI
1389 # check whether EBP is available on x86
1390 # As 'i' is stored on the stack, this program will crash
1391 # if the base pointer is used to access it because the
1392 # base pointer is cleared in the inline assembly code.
7dfef245 1393 check_exec_crash <<EOF && enable ebp_available
44965991
PI
1394 volatile int i=0;
1395 asm volatile (
1396 "xorl %%ebp, %%ebp"
1397 ::: "%ebp");
1398 return i;
44965991
PI
1399EOF
1400
1401 # check wether EBX is available on x86
1402 check_cc <<EOF && enable ebx_available
1403int main(){
1404 asm volatile ("":::"%ebx");
1405}
1406EOF
8e380710
LM
1407
1408 # check whether binutils is new enough to compile SSSE3
9eeed841 1409 enabled ssse3 && check_cc <<EOF || disable ssse3
8e380710
LM
1410int main(){
1411 asm volatile ("pabsw %xmm0, %xmm0");
1412}
1413EOF
44965991
PI
1414fi
1415
87ea51e0
LB
1416# check for assembler specific support
1417
cc6a90dd 1418if test $arch = "powerpc"; then
87ea51e0
LB
1419check_cc <<EOF && dcbzl=yes
1420int main(void) {
1421 register long zero = 0;
1422 char data[1024];
1423 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1424return 0;
1425}
1426EOF
1427fi
1428
57bd82d4
MR
1429# check for SIMD availability
1430
115329f1 1431# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1432if enabled altivec; then
0182fee8
MR
1433 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1434 add_cflags "-faltivec"
1435 else
1436 add_cflags "-maltivec -mabi=altivec"
1437 fi
b6e52719 1438
0182fee8 1439 check_header altivec.h
a9a07762 1440
0182fee8 1441 # check if our compiler supports Motorola AltiVec C API
90be59ef 1442 if enabled altivec_h; then
f25fc9b1
MR
1443 inc_altivec_h="#include <altivec.h>"
1444 else
1445 inc_altivec_h=
1446 fi
1447 check_cc <<EOF || altivec=no
dcd479c0 1448$inc_altivec_h
a9a07762
MN
1449int main(void) {
1450 vector signed int v1, v2, v3;
1451 v1 = vec_add(v2,v3);
1452 return 0;
1453}
1454EOF
1455fi
ab6c65f6 1456
854fdb51 1457# check armv5te instructions support
9eeed841 1458enabled armv5te && check_cc <<EOF || disable armv5te
0182fee8
MR
1459int main(void) {
1460 __asm__ __volatile__ ("qadd r0, r0, r0");
1461}
854fdb51 1462EOF
854fdb51 1463
9eeed841 1464enabled armv6 && check_cc <<EOF || disable armv6
edab3048
MR
1465int main(void) {
1466 __asm__ __volatile__ ("sadd16 r0, r0, r0");
1467}
1468EOF
edab3048 1469
854fdb51 1470# check iwmmxt support
9eeed841 1471enabled iwmmxt && check_cc <<EOF || disable iwmmxt
0182fee8
MR
1472int main(void) {
1473 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1474}
854fdb51 1475EOF
d46aba26 1476
29799f8b 1477# check if our compiler supports mmi
57bd82d4 1478enabled mmi && check_cc <<EOF || mmi="no"
d46aba26
LS
1479int main(void) {
1480 __asm__ ("lq \$2, 0(\$2)");
1481 return 0;
1482}
1483EOF
57bd82d4 1484
57bd82d4
MR
1485# ---
1486# big/little-endian test
37970ebf 1487if disabled cross_compile; then
57bd82d4 1488 check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
a3999908
MN
1489#include <inttypes.h>
1490int main(int argc, char ** argv){
bb270c08
DB
1491 volatile uint32_t i=0x01234567;
1492 return (*((uint8_t*)(&i))) == 0x67;
a3999908
MN
1493}
1494EOF
487a54d7 1495else
f25fc9b1 1496 # programs cannot be launched if cross compiling, so make a static guess
cc6a90dd 1497 if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
f25fc9b1
MR
1498 bigendian="yes"
1499 fi
487a54d7
FB
1500fi
1501
a3999908 1502# ---
3d204385
NK
1503# check availability of some header files
1504
0701ca7f
MR
1505check_header malloc.h
1506check_func memalign
3d204385 1507
797ee6a6 1508if disabled_all memalign memalign_hack && enabled need_memalign ; then
57bd82d4 1509 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
8bf5d58f
MN
1510fi
1511
0701ca7f 1512check_header byteswap.h
47d23bbf 1513
6ffa87d3
RP
1514check_func mkstemp
1515
e16e49ac
RP
1516check_header termios.h
1517check_header conio.h
1518
c9fdab0d
FR
1519check_header arpa/inet.h
1520
0701ca7f 1521check_func inet_aton
57bd82d4 1522enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
57bd82d4 1523
b0c858d8
FR
1524# ffserver uses poll(),
1525# if it's not found we can emulate it using select().
1526if enabled ffserver; then
1527 check_header sys/poll.h
1528fi
1529
57bd82d4
MR
1530# check for some common methods of building with pthread support
1531# do this before the optional library checks as some of them require pthreads
1532if enabled pthreads; then
9e7fd101
MR
1533 if check_func pthread_create; then
1534 :
1535 elif check_func pthread_create -pthread; then
1536 add_cflags -pthread
1537 add_ldflags -pthread
1538 elif check_func pthread_create -pthreads; then
1539 add_cflags -pthreads
1540 add_ldflags -pthreads
1541 elif ! check_lib pthread.h pthread_create -lpthread; then
1542 die "ERROR: can't find pthreads library"
1543 fi
57bd82d4
MR
1544fi
1545
8eee7025 1546for thread in $THREADS_LIST; do
e5f94c2b 1547 if enabled $thread; then
aa45201d 1548 if test -n "$thread_type"; then
e5f94c2b
RP
1549 die "ERROR: Only one thread type must be selected."
1550 else
1551 thread_type="$thread"
1552 fi
1553 fi
1554done
1555
f32adb22
MR
1556# test for lrintf in math.h
1557check_exec <<EOF && lrintf=yes || lrintf=no
1558#define _ISOC9X_SOURCE 1
1559#include <math.h>
1560int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1561EOF
1562
f5a756ef 1563enabled_any libamr_nb libamr_wb && enable libamr
12b61a74 1564
57bd82d4 1565# these are off by default, so fail if requested and not available
7bc5f2a8 1566enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
f5a756ef
DB
1567enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1568enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
910c62e1 1569enabled libgsm && require libgsm gsm.h gsm_create -lgsm
6ebe07fb 1570enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
910c62e1
DB
1571enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1572enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1573enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1574enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1cc60c47
DB
1575enabled libx264 && require x264 x264.h x264_encoder_open -lx264
1576enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
910c62e1
DB
1577enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1578enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
f8d7b072
MR
1579enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1580enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1581enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
8ac17293 1582
c13e1abd
FH
1583_restrict=
1584for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 1585 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
1586void foo(char * $restrict_keyword p);
1587EOF
c13e1abd
FH
1588done
1589
a8721c09
FB
1590# dlopen/dlfcn.h probing
1591
0701ca7f 1592check_header dlfcn.h
a8721c09 1593
dcd479c0 1594if check_func dlopen; then
dcd479c0 1595 ldl=
0701ca7f
MR
1596elif check_func dlopen -ldl; then
1597 ldl=-ldl
a8721c09
FB
1598fi
1599
66be5b45 1600check_func getrusage
7495c306 1601check_func2 windows.h GetProcessTimes
66be5b45 1602
4f3da985
RP
1603check_func fork
1604
703afd07 1605test "$vhook" = "default" && vhook="$dlopen"
a8721c09 1606
81a409c8 1607enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
bfd2edeb 1608
b0268cc0 1609if test "$targetos" = cygwin -o "$targetos" = mingw32 && enabled_all static vhook ; then
fbb9d104
VP
1610 vhook="no"
1611 echo
b0268cc0 1612 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
fbb9d104
VP
1613 echo "Patches welcome."
1614 echo
1615fi
1616
8d923001
MR
1617if enabled vhook; then
1618 check_ldflags -rdynamic
1619 check_ldflags -export-dynamic
1620fi
bfd2edeb 1621
703afd07 1622enabled audio_beos && add_extralibs "-lmedia -lbe"
9464f2b8 1623
eea50282
MR
1624check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1625check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
04511d53 1626
a86b921c 1627##########################################
29799f8b 1628# SDL check
a86b921c 1629
a86b921c
FB
1630sdl_too_old=no
1631sdl=no
6a1a892f 1632SDL_CONFIG="${cross_prefix}sdl-config"
225e21ef
MR
1633if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1634 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1635 temp_cflags $sdl_cflags
dcd479c0 1636 temp_extralibs `"${SDL_CONFIG}" --libs`
225e21ef 1637 if check_lib SDL.h SDL_Init; then
dcd479c0 1638 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
29f3b38a 1639 if test "$_sdlversion" -lt 121 ; then
dcd479c0
MR
1640 sdl_too_old=yes
1641 else
1642 sdl=yes
225e21ef 1643 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a
MR
1644#include <SDL.h>
1645int main(void){
1646 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1647 int w = vi->current_w;
1648 return 0;
1649}
1650EOF
dcd479c0
MR
1651 fi
1652 fi
29f3b38a 1653 restore_flags
c3f6b472 1654fi
57bd82d4 1655
d5697779 1656texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 1657
7a91333f 1658##########################################
29799f8b 1659# IPv6 check
7a91333f 1660
0c7bb0e5 1661enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
7a91333f
HZ
1662#include <sys/types.h>
1663#include <sys/socket.h>
1664#include <netinet/in.h>
1665#include <netdb.h>
1666int main( void ) {
1667 struct sockaddr_storage saddr;
1668 struct ipv6_mreq mreq6;
1669 getaddrinfo(0,0,0,0);
1670 getnameinfo(0,0,0,0,0,0,0);
12fe88b4 1671 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
1672}
1673EOF
1674
afde41b4
MR
1675enabled v4l && check_header linux/videodev.h || disable v4l
1676enabled v4l2 && check_header linux/videodev2.h || disable v4l2
47f38850 1677
f8aa696f
DB
1678# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1679if enabled bktr; then
3eac5c63
MR
1680 { check_header dev/bktr/ioctl_meteor.h &&
1681 check_header dev/bktr/ioctl_bt848.h; } ||
1682 { check_header machine/ioctl_meteor.h &&
1683 check_header machine/ioctl_bt848.h; } ||
1684 { check_header dev/video/meteor/ioctl_meteor.h &&
1685 check_header dev/video/bktr/ioctl_bt848.h; } ||
1686 check_header dev/ic/bt8xx.h ||
1687 disable bktr
f8aa696f
DB
1688fi
1689
deb29777
MR
1690enabled audio_oss &&
1691 check_header sys/soundcard.h ||
1692 check_header soundcard.h ||
1693 disable audio_oss
1694
f58f4ce1 1695# Deal with the x11 frame grabber
56a059ac 1696enabled x11grab &&
f58f4ce1
GP
1697enabled gpl &&
1698enabled x11_grab_device_demuxer &&
1699check_header X11/Xlib.h &&
1700check_header X11/extensions/XShm.h &&
1701check_func XOpenDisplay -lX11 &&
1702check_func XShmCreateImage -lX11 -lXext &&
1703add_extralibs -lX11 -lXext ||
1704disable x11_grab_device_demuxer
1705
57bd82d4
MR
1706enabled debug && add_cflags -g
1707
1708# add some useful compiler flags if supported
1709check_cflags -Wdeclaration-after-statement
dcd479c0
MR
1710check_cflags -Wall
1711check_cflags -Wno-switch
c07bd6a9
MN
1712check_cflags -Wdisabled-optimization
1713check_cflags -Wpointer-arith
1714check_cflags -Wredundant-decls
cc1fb623 1715check_cflags -Wno-pointer-sign
5af4e0cc 1716enabled extra_warnings && check_cflags -Winline
cf9d24ad 1717
57bd82d4 1718# add some linker flags
5c0e9479 1719check_ldflags -Wl,--warn-common
e240ee67 1720check_ldflags $LDLATEFLAGS
94a3401e 1721
bd2216e4
MR
1722if enabled small; then
1723 check_cflags -Os # not all compilers support -Os
1724 optimize="small"
1725elif enabled optimize; then
b2924696 1726 if test -n "`$cc -v 2>&1 | grep xlc`"; then
30a3e5d4
NP
1727 add_cflags "-O5"
1728 add_ldflags "-O5"
cf9d24ad 1729 else
30a3e5d4 1730 add_cflags "-O3"
cf9d24ad 1731 fi
cddf3f45
GM
1732fi
1733
80581e98 1734# PIC flags for shared library objects where they are needed
5af4e0cc 1735if enabled shared; then
f25fc9b1
MR
1736 # LIBOBJFLAGS may have already been set in the OS configuration
1737 if test -z "$LIBOBJFLAGS" ; then
cc6a90dd 1738 case "$arch" in
f824ba7b 1739 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
813457e5 1740 esac
80581e98 1741 fi
80581e98
MN
1742fi
1743
90be59ef 1744if enabled gprof; then
30a3e5d4
NP
1745 add_cflags "-p"
1746 add_ldflags "-p"
1db54e20
DB
1747fi
1748
3b26ee47 1749VHOOKCFLAGS="-fPIC"
18451f7d 1750
4454dc1b
JD
1751# find if .align arg is power-of-two or not
1752if test $asmalign_pot = "unknown"; then
1753 asmalign_pot="no"
1754 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1755fi
1756
660db1d6
DB
1757enabled_any $ENCODER_LIST && enable encoders
1758enabled_any $DECODER_LIST && enable decoders
1759enabled_any $MUXER_LIST && enable muxers
1760enabled_any $DEMUXER_LIST && enable demuxers
c08fb000 1761enabled_any $PROTOCOL_LIST && enable protocols
cd61e407 1762enabled_any $BSF_LIST && enable bsfs
f70f03f6 1763
660db1d6 1764enabled_any $THREADS_LIST && enable threads
f70f03f6
MR
1765
1766check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
cd61e407 1767 $BSF_LIST $DEMUXER_LIST $MUXER_LIST $PROTOCOL_LIST
f70f03f6 1768
fb2ce7d9
MR
1769enabled libogg && append pkg_requires "ogg >= 1.1"
1770enabled libtheora && append pkg_requires "theora"
1771enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1772enabled dc1394 && append pkg_requires "libraw1394"
1773
f36958f8
DB
1774echo "install prefix $PREFIX"
1775echo "source path $source_path"
1776echo "C compiler $cc"
1777echo "make $make"
bfd5afd8 1778echo ".align is power-of-two $asmalign_pot"
f36958f8 1779echo "ARCH $arch ($cpu)"
eb94aca9 1780if test "$BUILDSUF" != ""; then
f36958f8 1781 echo "build suffix $BUILDSUF"
eb94aca9 1782fi
0db2ce77 1783echo "big-endian ${bigendian-no}"
419b8784 1784if test $arch = "x86_32" -o $arch = "x86_64"; then
0db2ce77
MR
1785 echo "MMX enabled ${mmx-no}"
1786 echo "CMOV enabled ${cmov-no}"
1787 echo "CMOV is fast ${fast_cmov-no}"
e41e8342 1788fi
cc6a90dd 1789if test $arch = "armv4l"; then
0db2ce77
MR
1790 echo "ARMv5TE enabled ${armv5te-no}"
1791 echo "ARMv6 enabled ${armv6-no}"
1792 echo "IWMMXT enabled ${iwmmxt-no}"
eba9ae3c 1793fi
cc6a90dd 1794if test $arch = "mips"; then
0db2ce77 1795 echo "MMI enabled ${mmi-no}"
e41e8342 1796fi
cc6a90dd 1797if test $arch = "powerpc"; then
0db2ce77
MR
1798 echo "AltiVec enabled ${altivec-no}"
1799 echo "dcbzl available ${dcbzl-no}"
e41e8342 1800fi
0db2ce77
MR
1801echo "gprof enabled ${gprof-no}"
1802echo "debug symbols ${debug-no}"
1803echo "strip symbols ${dostrip-no}"
1804echo "optimize ${optimize-no}"
1805echo "static ${static-no}"
1806echo "shared ${shared-no}"
1807echo "postprocessing support ${pp-no}"
1808echo "software scaler enabled ${swscaler-no}"
1809echo "video hooking ${vhook-no}"
90be59ef 1810if enabled vhook; then
0db2ce77
MR
1811 echo "Imlib2 support ${imlib2-no}"
1812 echo "FreeType support ${freetype2-no}"
68892110 1813fi
0db2ce77 1814echo "network support ${network-no}"
90be59ef 1815if enabled network; then
0db2ce77 1816 echo "IPv6 support ${ipv6-no}"
bfd5afd8 1817fi
0db2ce77
MR
1818echo "threading support ${thread_type-no}"
1819echo "SDL support ${sdl-no}"
90be59ef 1820if enabled sdl_too_old; then
bfd5afd8
DB
1821 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1822fi
0db2ce77
MR
1823echo "Sun medialib support ${mlib-no}"
1824echo "AVISynth enabled ${avisynth-no}"
1825echo "liba52 support ${liba52-no}"
1826echo "liba52 dlopened ${liba52bin-no}"
1827echo "libamr-nb support ${libamr_nb-no}"
1828echo "libamr-wb support ${libamr_wb-no}"
1829echo "libfaac enabled ${libfaac-no}"
1830echo "libfaad enabled ${libfaad-no}"
7e0871a7 1831echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
1832echo "libgsm enabled ${libgsm-no}"
1833echo "libmp3lame enabled ${libmp3lame-no}"
1834echo "libnut enabled ${libnut-no}"
1835echo "libogg enabled ${libogg-no}"
1836echo "libtheora enabled ${libtheora-no}"
1837echo "libvorbis enabled ${libvorbis-no}"
1838echo "x264 enabled ${libx264-no}"
1839echo "XviD enabled ${libxvid-no}"
1840echo "zlib enabled ${zlib-no}"
37970ebf 1841if disabled gpl; then
f25fc9b1 1842 echo "License: LGPL"
b2e3c528 1843else
f25fc9b1 1844 echo "License: GPL"
b2e3c528 1845fi
de6d9b64 1846
29799f8b 1847echo "Creating config.mak and config.h..."
de6d9b64 1848
29799f8b
DB
1849echo "# Automatically generated by configure - do not modify!" > config.mak
1850echo "/* Automatically generated by configure - do not modify! */" > $TMPH
0fd12426 1851echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
de6d9b64 1852
2266e085
DB
1853echo "PREFIX=$PREFIX" >> config.mak
1854echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
9a695e98 1855echo "libdir=\$(DESTDIR)$libdir" >> config.mak
84c22efd 1856echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1d67a1d4 1857echo "incdir=\$(DESTDIR)$incdir" >> config.mak
9a695e98
DB
1858echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1859echo "mandir=\$(DESTDIR)$mandir" >> config.mak
4a908fbc 1860echo "MAKE=$make" >> config.mak
980fc7b8
FB
1861echo "CC=$cc" >> config.mak
1862echo "AR=$ar" >> config.mak
be7109c1 1863echo "RANLIB=$ranlib" >> config.mak
90be59ef 1864if enabled dostrip; then
f25fc9b1 1865 echo "STRIP=$strip" >> config.mak
65d1bea2 1866else
f25fc9b1 1867 echo "STRIP=echo ignoring strip" >> config.mak
65d1bea2 1868fi
75388c74 1869
a9b3f630 1870echo "OPTFLAGS=$CFLAGS" >> config.mak
408382a4 1871echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
0f3cb305 1872echo "LDFLAGS=$LDFLAGS" >> config.mak
f39e56a8 1873echo "LDCONFIG=$LDCONFIG" >> config.mak
c536cb09 1874echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 1875echo "SHFLAGS=$SHFLAGS" >> config.mak
408382a4 1876echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
fbb9d104 1877echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
80581e98 1878echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 1879echo "BUILD_STATIC=$static" >> config.mak
eb94aca9 1880echo "BUILDSUF=$BUILDSUF" >> config.mak
f3ec2d46 1881echo "LIBPREF=$LIBPREF" >> config.mak
eb94aca9 1882echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
5af4e0cc 1883if enabled static; then
320d060a 1884 echo "LIB=$LIB" >> config.mak
1a44a8b6
AS
1885else # Some Make complain if this variable does not exist.
1886 echo "LIB=" >> config.mak
320d060a 1887fi
f3ec2d46 1888echo "SLIBPREF=$SLIBPREF" >> config.mak
eb94aca9
CY
1889echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1890echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
4dc62701 1891
90be59ef 1892if enabled bigendian; then
0f3cb305
FB
1893 echo "WORDS_BIGENDIAN=yes" >> config.mak
1894 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 1895fi
90be59ef 1896if enabled mmx; then
e82c5a8c 1897 echo "#define __CPU__ 586" >> $TMPH
de6d9b64 1898fi
44161118 1899
90be59ef 1900if enabled sdl; then
6a1a892f
FD
1901 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1902 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
a86b921c 1903fi
90be59ef 1904if enabled texi2html; then
146ea952
NB
1905 echo "BUILD_DOC=yes" >> config.mak
1906fi
5a872801 1907
790c9ca7 1908sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
6d9a2421 1909pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
5a872801
LB
1910lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1911lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1912lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1913
1914
1915
5af4e0cc 1916if enabled shared; then
0319c531 1917 echo "BUILD_SHARED=yes" >> config.mak
97006039 1918 echo "PIC=-fPIC -DPIC" >> config.mak
7e303556
DB
1919 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1920 echo "SPPVERSION=$pp_version" >> config.mak
39503a27 1921 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
5a872801 1922 echo "LAVCVERSION=$lavc_version" >> config.mak
39503a27 1923 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
5a872801 1924 echo "LAVFVERSION=$lavf_version" >> config.mak
39503a27 1925 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
5a872801 1926 echo "LAVUVERSION=$lavu_version" >> config.mak
790c9ca7
LA
1927 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1928 echo "SWSVERSION=$sws_version" >> config.mak
4bdd05e7 1929 echo "SLIBNAME=${SLIBNAME}" >> config.mak
f3b60109
DB
1930 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1931 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
5cb854e1 1932 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
8fbec4f4 1933 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
0319c531 1934fi
d7e27559 1935echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 1936echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 1937
3d907e22
MR
1938print_config ARCH_ $TMPH config.mak $ARCH_LIST
1939print_config HAVE_ $TMPH config.mak $HAVE_LIST
1940print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
1941 $DECODER_LIST \
1942 $ENCODER_LIST \
1943 $PARSER_LIST \
1944 $BSF_LIST \
1945 $DEMUXER_LIST \
1946 $MUXER_LIST \
1947 $PROTOCOL_LIST \
8ac17293 1948
ced75d92 1949if test "$targetos" = darwin; then
90cee0c3 1950 echo "#define CONFIG_DARWIN 1" >> $TMPH
90cee0c3
MN
1951fi
1952
c13e1abd
FH
1953echo "#define restrict $_restrict" >> $TMPH
1954
bd2216e4 1955if enabled small; then
bb801c97
MN
1956 echo "#define always_inline" >> $TMPH
1957fi
1958
997baf01
MR
1959echo "SRC_PATH=\"$source_path\"" >> config.mak
1960echo "SRC_PATH_BARE=$source_path" >> config.mak
1961echo "BUILD_ROOT=\"$PWD\"" >> config.mak
0f3cb305 1962
8156056e 1963# Apparently it's not possible to portably echo a backslash.
90be59ef 1964if enabled asmalign_pot; then
8156056e 1965 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 1966else
8156056e 1967 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b
JD
1968fi
1969
bc634f6f 1970
9cb2cf10 1971# Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
c683a5d1 1972if ! cmp -s $TMPH config.h; then
9cb2cf10
DB
1973 mv -f $TMPH config.h
1974else
1975 echo "config.h is unchanged"
1976fi
3d204385 1977
f3ec2d46 1978rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
def4272a 1979
165af439 1980# build tree in object directory if source path is different from current one
90be59ef 1981if enabled source_path_used; then
165af439
MR
1982 DIRS="\
1983 doc \
1984 libavformat \
1985 libavcodec \
1986 libavcodec/alpha \
1987 libavcodec/armv4l \
1988 libavcodec/bfin \
1989 libavcodec/i386 \
1990 libavcodec/sparc \
1991 libavcodec/mlib \
1992 libavcodec/ppc \
165af439
MR
1993 libpostproc \
1994 libavutil \
1995 libswscale \
1996 tests \
c07ed8c8 1997 tools \
165af439
MR
1998 vhook \
1999 "
2000 FILES="\
2001 Makefile \
2002 common.mak \
2003 libavformat/Makefile \
2004 libavcodec/Makefile \
2005 libpostproc/Makefile \
2006 libavutil/Makefile \
2007 libswscale/Makefile \
165af439
MR
2008 doc/texi2pod.pl \
2009 "
2010 for dir in $DIRS ; do
2011 mkdir -p $dir
2012 done
2013 for f in $FILES ; do
2014 ln -sf "$source_path/$f" $f
2015 done
2016fi
def4272a 2017
def4272a 2018
d0674868 2019# build pkg-config files
77aee36c 2020# FIXME: libdir and includedir are hardcoded and may differ from the real path.
def4272a 2021
d0674868
DB
2022pkgconfig_generate(){
2023name=$1
2024comment=$2
2025version=$3
2026libs=$4
2027requires=$5
2028include=$6
2029cat <<EOF >$name.pc
2266e085 2030prefix=$PREFIX
a94e666c 2031exec_prefix=\${prefix}
def4272a 2032libdir=\${exec_prefix}/lib
a94e666c 2033includedir=\${prefix}/include
def4272a 2034
d0674868
DB
2035Name: $name
2036Description: $comment
2037Version: $version
2038Requires: $requires
def4272a 2039Conflicts:
d0674868
DB
2040Libs: -L\${libdir} $libs
2041Cflags: -I\${includedir} -I\${includedir}/$include
def4272a 2042EOF
d0674868 2043}
def4272a 2044
d0674868
DB
2045pkgconfig_generate_uninstalled(){
2046name=$1
9c476fd6 2047shortname=${name#lib}
d0674868
DB
2048comment=$2
2049version=$3
2050libs=$4
2051requires=$5
2052cat <<EOF >$name-uninstalled.pc
def4272a
AJ
2053prefix=
2054exec_prefix=
d0674868
DB
2055libdir=\${pcfiledir}/$name
2056includedir=\${pcfiledir}/$name
def4272a 2057
d0674868
DB
2058Name: $name
2059Description: $comment
2060Version: $version
2061Requires: $requires
def4272a 2062Conflicts:
d0674868 2063Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2064Cflags: -I\${includedir}
2065EOF
d0674868 2066}
def4272a 2067
9d824ad1 2068pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
d0674868 2069pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
def4272a 2070
d0674868
DB
2071pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2072pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
def4272a 2073
d0674868
DB
2074pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2075pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
def4272a 2076
90be59ef 2077if enabled pp; then
2e3bcd38
DB
2078 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2079 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2080fi
790c9ca7 2081
c839db53 2082if enabled swscaler; then
3d3361e5 2083 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
20c516c6 2084 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
6c0d0413 2085else
3d3361e5 2086 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
d0674868 2087 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
c505dd31
MR
2088 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2089 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
6c0d0413 2090fi