Make ppm vhook depend on fork()
[libav.git] / configure
... / ...
CommitLineData
1#!/bin/sh
2#
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
8#
9
10# make sure we are running under a compatible shell
11# try to make this part work with most shells
12
13try_exec(){
14 echo "Trying shell $1"
15 type "$1" >/dev/null 2>&1 && exec "$@"
16}
17
18unset foo
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."
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 "$0" "$@"
39 fi
40 echo "No compatible shell script interpreter found."
41 echo "This configure script requires a POSIX-compatible shell"
42 echo "such as bash or ksh."
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."
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
50 exit 1
51fi
52
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"
59 echo " --log[=FILE|yes|no] log tests and output to FILE [config.err]"
60 echo " --prefix=PREFIX install in PREFIX [$PREFIX]"
61 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
62 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
63 echo " --incdir=DIR install includes in DIR [PREFIX/include/ffmpeg]"
64 echo " --mandir=DIR install man page in DIR [PREFIX/man]"
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]"
69 echo " --enable-gpl allow use of GPL code, the resulting libav*"
70 echo " and ffmpeg will be under GPL [default=no]"
71 echo " --enable-pp enable GPLed postprocessing support [default=no]"
72 echo " --enable-swscaler software scaler support [default=no]"
73 echo " --enable-beosthreads use BeOS threads [default=no]"
74 echo " --enable-os2threads use OS/2 threads [default=no]"
75 echo " --enable-pthreads use pthreads [default=no]"
76 echo " --enable-w32threads use Win32 threads [default=no]"
77 echo " --enable-x11grab enable X11 grabbing [default=no]"
78 echo
79 echo "External library support:"
80 echo " --enable-sunmlib use Sun medialib [default=no]"
81 echo " --enable-dc1394 enable IIDC-1394 grabbing using libdc1394"
82 echo " and libraw1394 [default=no]"
83 echo " --enable-liba52 enable GPLed liba52 support [default=no]"
84 echo " --enable-liba52bin open liba52.so.0 at runtime [default=no]"
85 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
86 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
87 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
88 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
89 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
90 echo " --enable-libfaadbin build FAAD support with runtime linking [default=no]"
91 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
92 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
93 echo " --enable-libnut enable NUT (de)muxing via libnut,"
94 echo " native demuxer exists [default=no]"
95 echo " --enable-libogg enable Ogg muxing via libogg [default=no]"
96 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
97 echo " --enable-libvorbis enable Vorbis en/decoding via libvorbis,"
98 echo " native implementations exist [default=no]"
99 echo " --enable-libx264 enable H.264 encoding via x264 [default=no]"
100 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
101 echo " native MPEG-4/Xvid encoder exists [default=no]"
102 echo ""
103 echo "Advanced options (experts only):"
104 echo " --source-path=PATH path to source code [$source_path]"
105 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
106 echo " --cross-compile assume a cross-compiler is used"
107 echo " --target-os=OS compiler targets OS [$targetos]"
108 echo " --cc=CC use C compiler CC [$cc]"
109 echo " --make=MAKE use specified make [$make]"
110 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
111 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
112 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
113 echo " --build-suffix=SUFFIX suffix for application specific build []"
114 echo " --arch=ARCH select architecture [$arch]"
115 echo " --cpu=CPU selects the minimum cpu required (affects"
116 echo " instruction selection, may crash on older CPUs)"
117 echo " --enable-powerpc-perf enable performance report on PPC"
118 echo " (requires enabling PMC)"
119 echo " --disable-mmx disable MMX usage"
120 echo " --disable-armv5te disable armv5te usage"
121 echo " --disable-armv6 disable armv6 usage"
122 echo " --disable-iwmmxt disable iwmmxt usage"
123 echo " --disable-altivec disable AltiVec usage"
124 echo " --disable-audio-oss disable OSS audio support [default=no]"
125 echo " --disable-audio-beos disable BeOS audio support [default=no]"
126 echo " --disable-v4l disable video4linux grabbing [default=no]"
127 echo " --disable-v4l2 disable video4linux2 grabbing [default=no]"
128 echo " --disable-bktr disable bktr video grabbing [default=no]"
129 echo " --disable-dv1394 disable DV1394 grabbing [default=no]"
130 echo " --disable-network disable network support [default=no]"
131 echo " --disable-ipv6 disable ipv6 support [default=no]"
132 echo " --disable-zlib disable zlib [default=no]"
133 echo " --disable-vhook disable video hooking support"
134 echo " --disable-debug disable debugging symbols"
135 echo " --disable-mpegaudio-hp faster (but less accurate)"
136 echo " MPEG audio decoding [default=no]"
137 echo " --disable-ffmpeg disable ffmpeg build"
138 echo " --disable-ffserver disable ffserver build"
139 echo " --disable-ffplay disable ffplay build"
140 echo " --enable-small optimize for size instead of speed"
141 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
142 echo " --disable-encoder=NAME disables encoder NAME"
143 echo " --enable-encoder=NAME enables encoder NAME"
144 echo " --disable-decoder=NAME disables decoder NAME"
145 echo " --enable-decoder=NAME enables decoder NAME"
146 echo " --disable-encoders disables all encoders"
147 echo " --disable-decoders disables all decoders"
148 echo " --disable-muxer=NAME disables muxer NAME"
149 echo " --enable-muxer=NAME enables muxer NAME"
150 echo " --disable-muxers disables all muxers"
151 echo " --disable-demuxer=NAME disables demuxer NAME"
152 echo " --enable-demuxer=NAME enables demuxer NAME"
153 echo " --disable-demuxers disables all demuxers"
154 echo " --enable-parser=NAME enables parser NAME"
155 echo " --disable-parser=NAME disables parser NAME"
156 echo " --disable-parsers disables all parsers"
157 echo " --enable-bsf=NAME enables bitstream filter NAME"
158 echo " --disable-bsf=NAME disables bitstream filter NAME"
159 echo " --disable-bsfs disables all bitstream filters"
160 echo " --enable-protocol=NAME enables protocol NAME"
161 echo " --disable-protocol=NAME disables protocol NAME"
162 echo " --disable-protocols disables all protocols"
163 echo
164 echo "Developer options (useful when working on FFmpeg itself):"
165 echo " --enable-gprof enable profiling with gprof [$gprof]"
166 echo " --disable-opts disable compiler optimizations"
167 echo " --enable-extra-warnings enable more compiler warnings"
168 echo " --disable-strip disable stripping of executables and shared libraries"
169 echo ""
170 echo "NOTE: Object files are built at the place where configure is launched."
171 exit 1
172}
173
174log(){
175 echo "$@" >>$logfile
176}
177
178log_file(){
179 log BEGIN $1
180 cat -n $1 >>$logfile
181 log END $1
182}
183
184echolog(){
185 log "$@"
186 echo "$@"
187}
188
189die(){
190 echolog "$@"
191 cat <<EOF
192If you think configure made a mistake, make sure you are using the latest
193version from SVN. If the latest version fails, report the problem to the
194ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
195EOF
196 if enabled logging; then
197 cat <<EOF
198Include the log file "$logfile" produced by configure as this will help
199solving the problem.
200EOF
201 else
202cat <<EOF
203Rerun configure with logging enabled (do not use --log=no), and include the
204log this produces with your report.
205EOF
206 fi
207 rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
208 exit 1
209}
210
211# "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
212toupper(){
213 echo "$@" | tr '[a-z]' '[A-Z]'
214}
215
216tolower(){
217 echo "$@" | tr '[A-Z]' '[a-z]'
218}
219
220set_all(){
221 value=$1
222 shift
223 for var in $*; do
224 eval $var=$value
225 done
226}
227
228pushvar(){
229 for var in $*; do
230 eval level=\${${var}_level:=0}
231 eval ${var}_${level}="\$$var"
232 eval ${var}_level=$(($level+1))
233 done
234}
235
236popvar(){
237 for var in $*; do
238 eval level=\${${var}_level:-0}
239 test $level = 0 && continue
240 eval level=$(($level-1))
241 eval $var="\${${var}_${level}}"
242 eval ${var}_level=$level
243 eval unset ${var}_${level}
244 done
245}
246
247enable(){
248 set_all yes $*
249}
250
251disable(){
252 set_all no $*
253}
254
255enabled(){
256 eval test "x\$$1" = "xyes"
257}
258
259disabled(){
260 eval test "x\$$1" = "xno"
261}
262
263enabled_all(){
264 for opt; do
265 enabled $opt || return 1
266 done
267}
268
269disabled_all(){
270 for opt; do
271 disabled $opt || return 1
272 done
273}
274
275enabled_any(){
276 for opt; do
277 enabled $opt && return 0
278 done
279}
280
281disabled_any(){
282 for opt; do
283 disabled $opt && return 0
284 done
285}
286
287check_deps(){
288 for cfg; do
289 enabled ${cfg}_checking && die "Circular dependency for $cfg."
290 disabled ${cfg}_checking && continue
291 enable ${cfg}_checking
292
293 eval dep_all="\$${cfg}_deps"
294 eval dep_any="\$${cfg}_deps_any"
295
296 pushvar cfg dep_all dep_any
297 check_deps $dep_all $dep_any
298 popvar cfg dep_all dep_any
299
300 enabled_all $dep_all || disable $cfg
301 enabled_any $dep_any || disable $cfg
302
303 disable ${cfg}_checking
304 done
305}
306
307print_config(){
308 pfx=$1
309 header=$2
310 makefile=$3
311 shift 3
312 for cfg; do
313 if enabled $cfg; then
314 ucname="${pfx}`toupper $cfg`"
315 echo "#define ${ucname} 1" >> $header
316 echo "${ucname}=yes" >> $makefile
317 fi
318 done
319}
320
321print_config_enable(){
322 print_config $@
323 shift 3
324 for cfg; do
325 enabled $cfg && val=1 || val=0
326 echo "#define ENABLE_`toupper $cfg` $val" >> $header
327 done
328}
329
330flags_saved(){
331 (: ${SAVE_CFLAGS?}) 2>/dev/null
332}
333
334save_flags(){
335 flags_saved && return
336 SAVE_CFLAGS="$CFLAGS"
337 SAVE_LDFLAGS="$LDFLAGS"
338 SAVE_extralibs="$extralibs"
339}
340
341restore_flags(){
342 flags_saved || return
343 CFLAGS="$SAVE_CFLAGS"
344 LDFLAGS="$SAVE_LDFLAGS"
345 extralibs="$SAVE_extralibs"
346 unset SAVE_CFLAGS
347 unset SAVE_LDFLAGS
348 unset SAVE_extralibs
349}
350
351temp_cflags(){
352 save_flags
353 CFLAGS="$CFLAGS $*"
354}
355
356temp_ldflags(){
357 save_flags
358 LDFLAGS="$LDFLAGS $*"
359}
360
361temp_extralibs(){
362 save_flags
363 extralibs="$extralibs $*"
364}
365
366append(){
367 var=$1
368 shift
369 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
370 eval "$var=\"\$$var $*\""
371}
372
373add_cflags(){
374 append CFLAGS "$@"
375}
376
377add_ldflags(){
378 append LDFLAGS "$@"
379}
380
381add_extralibs(){
382 append extralibs "$@"
383}
384
385check_cmd(){
386 log "$@"
387 "$@" >>$logfile 2>&1
388}
389
390check_cc(){
391 log check_cc "$@"
392 cat >$TMPC
393 log_file $TMPC
394 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
395}
396
397check_cpp(){
398 log check_cpp "$@"
399 cat >$TMPC
400 log_file $TMPC
401 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
402}
403
404check_ld(){
405 log check_ld "$@"
406 check_cc || return
407 check_cmd $cc $LDFLAGS "$@" -o $TMPE $TMPO $extralibs
408}
409
410check_cflags(){
411 log check_cflags "$@"
412 check_cc "$@" <<EOF && add_cflags "$@"
413int x;
414EOF
415}
416
417check_ldflags(){
418 log check_ldflags "$@"
419 check_ld "$@" <<EOF && add_ldflags "$@"
420int main(){
421 return 0;
422}
423EOF
424}
425
426check_header(){
427 log check_header "$@"
428 header=$1
429 shift
430 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
431 disable $var
432 check_cpp "$@" <<EOF && enable $var
433#include <$header>
434int x;
435EOF
436}
437
438check_func(){
439 log check_func "$@"
440 func=$1
441 shift
442 disable $func
443 check_ld "$@" <<EOF && enable $func
444extern int $func();
445int main(){
446 $func();
447}
448EOF
449}
450
451check_func2(){
452 log check_func2 "$@"
453 headers=$1
454 func=$2
455 shift 2
456 disable $func
457 incs=""
458 for hdr in $headers; do
459 incs="$incs
460#include <$hdr>"
461 done
462 check_ld "$@" <<EOF && enable $func
463$incs
464int main(){
465 (void) $func;
466 return 0;
467}
468EOF
469}
470
471check_lib(){
472 log check_lib "$@"
473 header="$1"
474 func="$2"
475 shift 2
476 temp_extralibs "$@"
477 check_header $header && check_func $func && add_extralibs "$@"
478 err=$?
479 restore_flags
480 return $err
481}
482
483check_lib2(){
484 log check_lib2 "$@"
485 headers="$1"
486 func="$2"
487 shift 2
488 temp_extralibs "$@"
489 check_func2 "$headers" $func && add_extralibs "$@"
490 err=$?
491 restore_flags
492 return $err
493}
494
495check_exec(){
496 check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
497}
498
499check_exec_crash(){
500 code=`cat`
501
502 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
503 # are safe but may not be available everywhere. Thus we use
504 # raise(SIGTERM) instead. The check is run in a subshell so we
505 # can redirect the "Terminated" message from the shell. SIGBUS
506 # is not defined by standard C so it is used conditionally.
507
508 (check_exec "$@") >>$logfile 2>&1 <<EOF
509#include <signal.h>
510static void sighandler(int sig){
511 raise(SIGTERM);
512}
513int main(){
514 signal(SIGILL, sighandler);
515 signal(SIGFPE, sighandler);
516 signal(SIGSEGV, sighandler);
517#ifdef SIGBUS
518 signal(SIGBUS, sighandler);
519#endif
520 { $code }
521}
522EOF
523}
524
525require(){
526 name="$1"
527 header="$2"
528 func="$3"
529 shift 3
530 check_lib $header $func "$@" || die "ERROR: $name not found"
531}
532
533require2(){
534 name="$1"
535 headers="$2"
536 func="$3"
537 shift 3
538 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
539}
540
541check_foo_config(){
542 cfg=$1
543 pkg=$2
544 header=$3
545 func=$4
546 shift 4
547 disable $cfg
548 check_cmd ${pkg}-config --version
549 err=$?
550 if test "$err" = 0; then
551 temp_cflags `${pkg}-config --cflags`
552 temp_extralibs `${pkg}-config --libs`
553 check_lib "$@" $header $func && enable $cfg
554 fi
555 return $err
556}
557
558apply(){
559 file=$1
560 shift
561 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
562}
563
564CONFIG_LIST='
565 encoders
566 decoders
567 parsers
568 bsfs
569 muxers
570 demuxers
571 audio_beos
572 audio_oss
573 avisynth
574 beos_netserver
575 bktr
576 dc1394
577 dv1394
578 ffmpeg
579 ffplay
580 ffserver
581 gpl
582 gprof
583 ipv6
584 liba52
585 liba52bin
586 libamr
587 libamr_nb
588 libamr_wb
589 libfaac
590 libfaad
591 libfaadbin
592 libgsm
593 libmp3lame
594 libnut
595 libogg
596 libtheora
597 libvorbis
598 libx264
599 libxvid
600 memalign_hack
601 mpegaudio_hp
602 network
603 powerpc_perf
604 pp
605 protocols
606 swscaler
607 vhook
608 v4l
609 v4l2
610 x11grab
611 zlib
612'
613
614THREADS_LIST='
615 beosthreads
616 os2threads
617 pthreads
618 w32threads
619'
620
621HAVE_LIST="
622 $THREADS_LIST
623 altivec
624 altivec_h
625 armv5te
626 armv6
627 arpa_inet_h
628 byteswap_h
629 cmov
630 dcbzl
631 dev_bktr_ioctl_bt848_h
632 dev_bktr_ioctl_meteor_h
633 dev_ic_bt8xx_h
634 dev_video_meteor_ioctl_meteor_h
635 dev_video_bktr_ioctl_bt848_h
636 dlfcn_h
637 dlopen
638 ebp_available
639 ebx_available
640 fast_64bit
641 fast_cmov
642 fast_unaligned
643 freetype2
644 imlib2
645 inet_aton
646 iwmmxt
647 localtime_r
648 lrintf
649 machine_ioctl_bt848_h
650 machine_ioctl_meteor_h
651 malloc_h
652 memalign
653 mlib
654 mmi
655 mmx
656 os2
657 sdl
658 sdl_video_size
659 soundcard_h
660 ssse3
661 sys_poll_h
662 sys_soundcard_h
663 threads
664"
665
666TARGET_LIST='
667 altivec
668 armv5te
669 armv6
670 iwmmxt
671 mmi
672 mmx
673'
674
675CMDLINE_SELECT="
676 $CONFIG_LIST
677 $TARGET_LIST
678 $THREADS_LIST
679 debug
680 extra_warnings
681 shared
682 static
683"
684
685# code dependency declarations
686
687# decoders / encoders
688dxa_decoder_deps="zlib"
689flashsv_decoder_deps="zlib"
690flashsv_encoder_deps="zlib"
691flv_decoder_deps="h263_decoder"
692h263_decoder_deps="h263_parser mpeg4video_parser"
693h263i_decoder_deps="h263_decoder"
694h264_decoder_deps="h264_parser"
695mpeg_xvmc_decoder_deps="xvmc"
696mpeg4_decoder_deps="h263_decoder"
697msmpeg4v1_decoder_deps="h263_decoder"
698msmpeg4v2_decoder_deps="h263_decoder"
699msmpeg4v3_decoder_deps="h263_decoder"
700png_decoder_deps="zlib"
701png_encoder_deps="zlib"
702vc1_decoder_deps="h263_decoder"
703wmv1_decoder_deps="h263_decoder"
704wmv2_decoder_deps="h263_decoder"
705wmv3_decoder_deps="h263_decoder"
706zmbv_decoder_deps="zlib"
707zmbv_encoder_deps="zlib"
708
709# external libraries
710mpeg4aac_decoder_deps="libfaad"
711liba52_decoder_deps="liba52"
712libamr_nb_decoder_deps="libamr_nb"
713libamr_nb_encoder_deps="libamr_nb"
714libamr_wb_decoder_deps="libamr_wb"
715libamr_wb_encoder_deps="libamr_wb"
716libfaac_encoder_deps="libfaac"
717libfaad_decoder_deps="libfaad"
718libgsm_decoder_deps="libgsm"
719libgsm_encoder_deps="libgsm"
720libgsm_ms_decoder_deps="libgsm"
721libgsm_ms_encoder_deps="libgsm"
722libmp3lame_encoder_deps="libmp3lame"
723libtheora_encoder_deps="libtheora"
724libvorbis_decoder_deps="libvorbis"
725libvorbis_encoder_deps="libvorbis"
726libx264_encoder_deps="libx264"
727libxvid_encoder_deps="libxvid"
728
729# demuxers / muxers
730ac3_demuxer_deps="ac3_parser"
731audio_demuxer_deps_any="audio_oss audio_beos"
732audio_muxer_deps_any="audio_oss audio_beos"
733dc1394_demuxer_deps="dc1394"
734dv1394_demuxer_deps="dv1394"
735gxf_muxer_deps="gpl"
736libnut_demuxer_deps="libnut"
737libnut_muxer_deps="libnut"
738mp3_demuxer_deps="mpegaudio_parser"
739ogg_muxer_deps="libogg"
740redir_demuxer_deps="network"
741rtp_muxer_deps="network mpegts_demuxer"
742rtsp_demuxer_deps="rtp_protocol rtp_muxer"
743sdp_demuxer_deps="rtsp_demuxer"
744v4l2_demuxer_deps="v4l2"
745video_grab_bktr_demuxer_deps="bktr"
746video_grab_v4l_demuxer_deps="v4l"
747x11_grab_device_demuxer_deps="x11grab"
748
749# protocols
750http_protocol_deps="network"
751rtp_protocol_deps="udp_protocol"
752tcp_protocol_deps="network"
753udp_protocol_deps="network"
754
755# programs
756ffplay_deps="sdl"
757ffserver_deps="muxers rtp_protocol"
758
759
760# set temporary file name
761if test ! -z "$TMPDIR" ; then
762 TMPDIR1="${TMPDIR}"
763elif test ! -z "$TEMPDIR" ; then
764 TMPDIR1="${TEMPDIR}"
765else
766 TMPDIR1="/tmp"
767fi
768
769TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
770TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
771TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
772TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
773TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
774
775# default parameters
776
777logging="yes"
778logfile="config.err"
779
780# installation paths
781PREFIX="/usr/local"
782libdir='${PREFIX}/lib'
783shlibdir="$libdir"
784incdir='${PREFIX}/include/ffmpeg'
785mandir='${PREFIX}/man'
786bindir='${PREFIX}/bin'
787
788# toolchain
789cross_prefix=""
790cross_compile="no"
791cc="gcc"
792ar="ar"
793ranlib="ranlib"
794make="make"
795strip="strip"
796asmalign_pot="unknown"
797
798# machine
799arch=`uname -m`
800cpu="generic"
801powerpc_perf="no"
802mmx="default"
803cmov="no"
804fast_cmov="no"
805fast_unaligned="no"
806armv5te="default"
807armv6="default"
808iwmmxt="default"
809altivec="default"
810dcbzl="no"
811mmi="default"
812bigendian="no"
813
814# OS
815targetos=$(tolower $(uname -s))
816beos_netserver="no"
817os2="no"
818
819# non-library system interfaces
820audio_beos="default"
821audio_oss="yes"
822bktr="yes"
823dv1394="yes"
824v4l2="yes"
825v4l="yes"
826
827# libraries
828avisynth="no"
829dc1394="no"
830dlfcn_h="no"
831dlopen="no"
832liba52="no"
833liba52bin="no"
834libamr_nb="no"
835libamr_wb="no"
836libfaac="no"
837libfaad2="no"
838libfaad="no"
839libfaadbin="no"
840libgsm="no"
841libmp3lame="no"
842libnut="no"
843libogg="no"
844libtheora="no"
845libvorbis="no"
846libx264="no"
847libxvid="no"
848mlib="no"
849x11grab="no"
850zlib="yes"
851
852# configurable options
853debug="yes"
854dostrip="yes"
855extra_warnings="no"
856ffmpeg="yes"
857ffplay="yes"
858ffserver="yes"
859gpl="no"
860gprof="no"
861ipv6="yes"
862shared="no"
863static="yes"
864memalign_hack="no"
865mpegaudio_hp="yes"
866network="yes"
867optimize="yes"
868pp="no"
869protocols="yes"
870swscaler="no"
871vhook="default"
872
873# threading
874beosthreads="no"
875os2threads="no"
876pthreads="no"
877w32threads="no"
878thread_type="no"
879
880# build settings
881SHFLAGS='-shared -Wl,-soname,$@'
882VHOOKSHFLAGS='$(SHFLAGS)'
883LIBOBJFLAGS=""
884FFLDFLAGS=-Wl,--warn-common
885LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
886FFSERVERLDFLAGS=-Wl,-E
887LDCONFIG="ldconfig"
888LIBPREF="lib"
889LIBSUF=".a"
890LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
891SLIBPREF="lib"
892SLIBSUF=".so"
893SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
894SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
895SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
896EXESUF=""
897BUILDSUF=""
898LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(libdir)/$(LIB)"'
899
900# find source path
901source_path="`dirname \"$0\"`"
902source_path_used="yes"
903if test -z "$source_path" -o "$source_path" = "." ; then
904 source_path="`pwd`"
905 source_path_used="no"
906else
907 source_path="`cd \"$source_path\"; pwd`"
908 echo "$source_path" | grep -q '[[:blank:]]' &&
909 die "Out of tree builds are impossible with whitespace in source path."
910fi
911
912if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
913 show_help
914fi
915
916FFMPEG_CONFIGURATION="$@"
917
918ENCODER_LIST=`sed -n 's/^[^#]*ENC.*(.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
919DECODER_LIST=`sed -n 's/^[^#]*DEC.*(.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
920PARSER_LIST=`sed -n 's/^[^#]*PARSER.*(.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
921BSF_LIST=`sed -n 's/^[^#]*BSF.*(.*, *\(.*\)).*/\1_bsf/p' "$source_path/libavcodec/allcodecs.c"`
922MUXER_LIST=`sed -n 's/^[^#]*_MUX.*(.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
923DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*(.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
924PROTOCOL_LIST=`sed -n 's/^[^#]*PROTOCOL.*(.*, *\(.*\)).*/\1_protocol/p' "$source_path/libavformat/allformats.c"`
925
926enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST $PROTOCOL_LIST $BSF_LIST
927
928die_unknown(){
929 echo "Unknown option \"$1\"."
930 echo "See $0 --help for available options."
931 exit 1
932}
933
934for opt do
935 optval="${opt#*=}"
936 case "$opt" in
937 --log)
938 ;;
939 --log=*) logging="$optval"
940 ;;
941 --prefix=*) PREFIX="$optval"
942 ;;
943 --libdir=*) libdir="$optval"
944 ;;
945 --shlibdir=*) shlibdir="$optval"
946 ;;
947 --incdir=*) incdir="$optval"
948 ;;
949 --mandir=*) mandir="$optval"
950 ;;
951 --source-path=*) source_path="$optval"
952 ;;
953 --cross-prefix=*) cross_prefix="$optval"
954 ;;
955 --cross-compile) cross_compile="yes"
956 ;;
957 --target-os=*) targetos="$optval"
958 ;;
959 --cc=*) cc="$optval"
960 ;;
961 --make=*) make="$optval"
962 ;;
963 --extra-cflags=*) add_cflags "$optval"
964 ;;
965 --extra-ldflags=*) add_ldflags "$optval"
966 ;;
967 --extra-libs=*) add_extralibs "$optval"
968 ;;
969 --build-suffix=*) BUILDSUF="$optval"
970 ;;
971 --arch=*) arch="$optval"
972 ;;
973 --cpu=*) cpu="$optval"
974 ;;
975 --disable-opts) optimize="no"
976 ;;
977 --enable-small) optimize="small"
978 ;;
979 --enable-sunmlib) mlib="yes"
980 ;;
981 --disable-strip) dostrip="no"
982 ;;
983 --disable-encoders) disable $ENCODER_LIST
984 ;;
985 --disable-decoders) disable $DECODER_LIST
986 ;;
987 --disable-muxers) disable $MUXER_LIST
988 ;;
989 --disable-demuxers) disable $DEMUXER_LIST
990 ;;
991 --disable-parsers) disable $PARSER_LIST
992 ;;
993 --disable-bsfs) disable $BSF_LIST
994 ;;
995 --disable-protocols) disable $PROTOCOL_LIST
996 ;;
997 --enable-*=*|--disable-*=*)
998 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
999 case "$thing" in
1000 encoder|decoder|muxer|demuxer|parser|bsf|protocol) $action ${optval}_${thing} ;;
1001 *) die_unknown "$opt" ;;
1002 esac
1003 ;;
1004 --enable-?*|--disable-?*)
1005 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1006 echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
1007 $action $option
1008 ;;
1009 --help) show_help
1010 ;;
1011 *)
1012 die_unknown $opt
1013 ;;
1014 esac
1015done
1016
1017case "$arch" in
1018 i386|i486|i586|i686|i86pc|BePC)
1019 arch="x86_32"
1020 enable fast_unaligned
1021 ;;
1022 x86_64|amd64)
1023 arch="x86_32"
1024 enable fast_unaligned
1025 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
1026 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
1027 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
1028 arch="x86_64"
1029 enable fast_64bit
1030 fi
1031 fi
1032 ;;
1033 # armv4l is a subset of armv[567]*l
1034 arm|armv[4567]*l)
1035 arch="armv4l"
1036 ;;
1037 alpha)
1038 arch="alpha"
1039 enable fast_64bit
1040 ;;
1041 "Power Macintosh"|ppc|powerpc)
1042 arch="powerpc"
1043 ;;
1044 ppc64)
1045 arch="powerpc"
1046 enable fast_64bit
1047 ;;
1048 mips|mipsel|IP*)
1049 arch="mips"
1050 ;;
1051 sun4u|sparc64)
1052 arch="sparc64"
1053 enable fast_64bit
1054 ;;
1055 sparc)
1056 arch="sparc"
1057 ;;
1058 sh4)
1059 arch="sh4"
1060 ;;
1061 parisc)
1062 arch="parisc"
1063 ;;
1064 parisc64)
1065 arch="parisc"
1066 enable fast_64bit
1067 ;;
1068 s390|s390x)
1069 arch="s390"
1070 ;;
1071 m68k)
1072 arch="m68k"
1073 ;;
1074 ia64)
1075 arch="ia64"
1076 enable fast_64bit
1077 ;;
1078 bfin)
1079 arch="bfin"
1080 ;;
1081 *)
1082 arch="unknown"
1083 ;;
1084esac
1085
1086# OS specific
1087osextralibs="-lm"
1088case $targetos in
1089 beos|haiku|zeta)
1090 PREFIX="$HOME/config"
1091 # helps building libavcodec
1092 add_cflags "-DPIC -fomit-frame-pointer"
1093 # 3 gcc releases known for BeOS, each with ugly bugs
1094 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1095 case "$gcc_version" in
1096 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1097 mmx="no"
1098 ;;
1099 *20010315*) echo "BeBits gcc"
1100 add_cflags "-fno-expensive-optimizations"
1101 ;;
1102 esac
1103 LDCONFIG="echo ignoring ldconfig"
1104 SHFLAGS=-nostart
1105 # disable Linux things
1106 dv1394="no"
1107 # enable BeOS things
1108 disabled audio_beos || enable_audio_beos
1109 # no need for libm, but the inet stuff
1110 # Check for BONE
1111 # XXX: actually should check for NOT net_server
1112 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1113 osextralibs="-lbind -lsocket"
1114 else
1115 beos_netserver="yes"
1116 osextralibs="-lnet"
1117 fi ;;
1118 sunos)
1119 dv1394="no"
1120 FFLDFLAGS=""
1121 FFSERVERLDFLAGS=""
1122 SHFLAGS="-shared -Wl,-h,\$@"
1123 add_extralibs "-lsocket -lnsl"
1124 ;;
1125 netbsd)
1126 dv1394="no"
1127 add_extralibs "-lossaudio"
1128 ;;
1129 openbsd)
1130 dv1394="no"
1131 need_memalign="no"
1132 LIBOBJFLAGS="\$(PIC)"
1133 LDCONFIG="ldconfig -m \$(shlibdir)"
1134 SHFLAGS='-shared'
1135 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1136 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1137 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1138 add_extralibs "-lossaudio"
1139 ;;
1140 freebsd)
1141 dv1394="no"
1142 need_memalign="no"
1143 add_cflags "-pthread"
1144 ;;
1145 gnu/kfreebsd)
1146 dv1394="no"
1147 add_cflags "-pthread"
1148 ;;
1149 bsd/os)
1150 dv1394="no"
1151 osextralibs="-lpoll -lgnugetopt -lm"
1152 strip="strip -d"
1153 ;;
1154 darwin)
1155 dv1394="no"
1156 need_memalign="no"
1157 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1158 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
1159 osextralibs=""
1160 strip="strip -x"
1161 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1162 SLIBSUF=".dylib"
1163 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1164 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1165 FFSERVERLDFLAGS=-Wl,-bind_at_load
1166 ;;
1167 mingw32*)
1168 targetos=mingw32
1169 shlibdir="$bindir"
1170 dv1394="no"
1171 ffserver="no"
1172 network="no"
1173 SLIBPREF=""
1174 SLIBSUF=".dll"
1175 EXESUF=".exe"
1176 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1177 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1178 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1179 SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1180 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base"
1181 enabled network && add_extralibs -lws2_32
1182 ;;
1183 cygwin*)
1184 targetos=cygwin
1185 shlibdir="$bindir"
1186 dv1394="no"
1187 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libswscale -L$(BUILD_ROOT)/libavutil'
1188 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lswscale$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1189 osextralibs=""
1190 EXESUF=".exe"
1191 SLIBPREF="cyg"
1192 SLIBSUF=".dll"
1193 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1194 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1195 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a -Wl,--enable-auto-image-base'
1196 ;;
1197 linux)
1198 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1199 ;;
1200 irix*)
1201 targetos=irix
1202 ranlib="echo ignoring ranlib"
1203 ;;
1204 os/2)
1205 TMPE=$TMPE".exe"
1206 ar="emxomfar -p128"
1207 ranlib="echo ignoring ranlib"
1208 strip="echo ignoring strip"
1209 add_cflags "-Zomf"
1210 FFLDFLAGS="-Zomf -Zstack 16384 -s"
1211 SHFLAGS="-Zdll -Zomf"
1212 FFSERVERLDFLAGS=""
1213 LIBPREF=""
1214 LIBSUF=".lib"
1215 SLIBPREF=""
1216 SLIBSUF=".dll"
1217 EXESUF=".exe"
1218 osextralibs=""
1219 pkg_requires=""
1220 dv1394="no"
1221 ffserver="no"
1222 vhook="no"
1223 os2="yes"
1224 ;;
1225 *)
1226 targetos="${targetos}-UNKNOWN"
1227 ;;
1228esac
1229
1230add_extralibs $osextralibs
1231
1232if ! disabled logging ; then
1233 enabled logging || logfile="$logging"
1234 echo "# $0 $@" >$logfile
1235 set >>$logfile
1236else
1237 logfile=/dev/null
1238fi
1239
1240# Combine FFLDFLAGS and the LDFLAGS environment variable.
1241LDFLAGS="$FFLDFLAGS $LDFLAGS"
1242
1243test -n "$cross_prefix" && cross_compile=yes
1244cc="${cross_prefix}${cc}"
1245ar="${cross_prefix}${ar}"
1246ranlib="${cross_prefix}${ranlib}"
1247strip="${cross_prefix}${strip}"
1248
1249# we need to build at least one lib type
1250if disabled_all static shared; then
1251 cat <<EOF
1252At least one library type must be built.
1253Specify --enable-static to build the static libraries or --enable-shared to
1254build the shared libraries as well. To only build the shared libraries specify
1255--disable-static in addition to --enable-shared.
1256EOF
1257 exit 1;
1258fi
1259
1260if disabled libogg; then
1261 enabled libtheora && die "libogg must be enabled to enable libtheora."
1262 enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1263fi
1264
1265if enabled_any libfaad libfaadbin ; then
1266 if check_header faad.h; then
1267 check_cc << EOF
1268#include <faad.h>
1269#ifndef FAAD2_VERSION
1270ok faad1
1271#endif
1272int main( void ) { return 0; }
1273EOF
1274 test $? = 0 && enable libfaad2
1275 else
1276 die "FAAD test failed."
1277 fi
1278fi
1279
1280
1281if disabled gpl ; then
1282 die_gpl_disabled(){
1283 name=$1
1284 shift
1285 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1286 }
1287 die_gpl_disabled "The Postprocessing code" pp
1288 die_gpl_disabled "liba52" liba52
1289 die_gpl_disabled "libx264" libx264
1290 die_gpl_disabled "libxvidcore" libxvid
1291 die_gpl_disabled "FAAD2" libfaad2
1292 die_gpl_disabled "The X11 grabber" x11grab
1293 die_gpl_disabled "The software scaler" swscaler
1294fi
1295
1296# compute MMX state
1297if test $mmx = "default"; then
1298 if test $arch = "x86_32" -o $arch = "x86_64"; then
1299 mmx="yes"
1300 else
1301 mmx="no"
1302 fi
1303fi
1304
1305test -z "$need_memalign" && need_memalign="$mmx"
1306
1307#Darwin CC versions
1308needmdynamicnopic="no"
1309if test $targetos = darwin; then
1310 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1311 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1312 else
1313 add_cflags "-no-cpp-precomp -pipe"
1314 check_cflags "-force_cpusubtype_ALL"
1315 check_cflags "-Wno-sign-compare"
1316 disabled shared && needmdynamicnopic="yes"
1317 fi
1318fi
1319enabled needmdynamicnopic && add_cflags -mdynamic-no-pic
1320
1321disabled optimize || add_cflags -fomit-frame-pointer
1322
1323# Can only do AltiVec on PowerPC
1324if test $altivec = "default"; then
1325 if test $arch = "powerpc"; then
1326 altivec="yes"
1327 else
1328 altivec="no"
1329 fi
1330fi
1331
1332# Add processor-specific flags
1333POWERPCMODE="32bits"
1334if test $cpu != "generic"; then
1335 warn_altivec(){
1336 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1337 }
1338 case $cpu in
1339 601|ppc601|PowerPC601)
1340 add_cflags "-mcpu=601"
1341 warn_altivec enabled PPC601
1342 ;;
1343 603*|ppc603*|PowerPC603*)
1344 add_cflags "-mcpu=603"
1345 warn_altivec enabled PPC603
1346 ;;
1347 604*|ppc604*|PowerPC604*)
1348 add_cflags "-mcpu=604"
1349 warn_altivec enabled PPC604
1350 ;;
1351 G3|g3|75*|ppc75*|PowerPC75*)
1352 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1353 warn_altivec enabled PPC75x
1354 ;;
1355 G4|g4|745*|ppc745*|PowerPC745*)
1356 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1357 warn_altivec disabled PPC745x
1358 ;;
1359 74*|ppc74*|PowerPC74*)
1360 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1361 warn_altivec disabled PPC74xx
1362 ;;
1363 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1364 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1365 warn_altivec disabled PPC970
1366 POWERPCMODE="64bits"
1367 ;;
1368 Cell|CELL|cell)
1369 add_cflags "-mcpu=cell"
1370 warn_altivec disabled Cell
1371 POWERPCMODE="64bits"
1372 ;;
1373 # targets that do NOT support conditional mov (cmov)
1374 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1375 add_cflags "-march=$cpu"
1376 cmov="no"
1377 ;;
1378 # targets that do support conditional mov (cmov)
1379 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1380 add_cflags "-march=$cpu"
1381 cmov="yes"
1382 fast_cmov="yes"
1383 ;;
1384 # targets that do support conditional mov but on which it's slow
1385 pentium4|prescott|nocona)
1386 add_cflags "-march=$cpu"
1387 cmov="yes"
1388 fast_cmov="no"
1389 ;;
1390 sparc64)
1391 add_cflags "-mcpu=v9"
1392 ;;
1393 bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1394 add_cflags "-mfdpic"
1395 add_ldflags "-mfdpic"
1396 ;;
1397 *)
1398 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1399 ;;
1400 esac
1401fi
1402
1403gnu_make(){
1404 $1 --version 2>&1 | grep -q GNU
1405}
1406
1407if ! gnu_make $make; then
1408 gnu_make gmake && make=gmake || die "GNU make not found."
1409fi
1410
1411# make sure we can execute files in $TMPDIR
1412cat >$TMPE 2>>$logfile <<EOF
1413#! /bin/sh
1414EOF
1415chmod +x $TMPE >>$logfile 2>&1
1416if ! $TMPE >>$logfile 2>&1; then
1417 cat <<EOF
1418Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1419variable to another directory and make sure that $TMPDIR1 is not mounted
1420noexec.
1421EOF
1422 die "Sanity test failed."
1423fi
1424rm $TMPE
1425
1426# compiler sanity check
1427check_exec <<EOF
1428int main(){
1429 return 0;
1430}
1431EOF
1432if test "$?" != 0; then
1433 echo "$cc is unable to create an executable file."
1434 if test -z "$cross_prefix" && disabled cross_compile ; then
1435 echo "If $cc is a cross-compiler, use the --cross-compile option."
1436 echo "Only do this if you know what cross compiling means."
1437 fi
1438 die "C compiler test failed."
1439fi
1440
1441if test $arch = "x86_32" -o $arch = "x86_64"; then
1442 # check whether EBP is available on x86
1443 # As 'i' is stored on the stack, this program will crash
1444 # if the base pointer is used to access it because the
1445 # base pointer is cleared in the inline assembly code.
1446 check_exec_crash <<EOF && enable ebp_available
1447 volatile int i=0;
1448 asm volatile (
1449 "xorl %%ebp, %%ebp"
1450 ::: "%ebp");
1451 return i;
1452EOF
1453
1454 # check wether EBX is available on x86
1455 check_cc <<EOF && enable ebx_available
1456int main(){
1457 asm volatile ("":::"%ebx");
1458}
1459EOF
1460
1461 # check whether binutils is new enough to compile SSSE3
1462 check_cc <<EOF && enable ssse3
1463int main(){
1464 asm volatile ("pabsw %xmm0, %xmm0");
1465}
1466EOF
1467fi
1468
1469# check for assembler specific support
1470
1471if test $arch = "powerpc"; then
1472check_cc <<EOF && dcbzl=yes
1473int main(void) {
1474 register long zero = 0;
1475 char data[1024];
1476 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1477return 0;
1478}
1479EOF
1480fi
1481
1482# check for SIMD availability
1483
1484# AltiVec flags: The FSF version of GCC differs from the Apple version
1485if test $arch = "powerpc"; then
1486 if enabled altivec; then
1487 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1488 add_cflags "-faltivec"
1489 else
1490 add_cflags "-maltivec -mabi=altivec"
1491 fi
1492 fi
1493fi
1494
1495check_header altivec.h
1496
1497# check if our compiler supports Motorola AltiVec C API
1498if enabled altivec; then
1499 if enabled altivec_h; then
1500 inc_altivec_h="#include <altivec.h>"
1501 else
1502 inc_altivec_h=
1503 fi
1504 check_cc <<EOF || altivec=no
1505$inc_altivec_h
1506int main(void) {
1507 vector signed int v1, v2, v3;
1508 v1 = vec_add(v2,v3);
1509 return 0;
1510}
1511EOF
1512fi
1513
1514# check armv5te instructions support
1515if test $armv5te = "default" -a $arch = "armv4l"; then
1516 armv5te=no
1517 check_cc <<EOF && armv5te=yes
1518 int main(void) {
1519 __asm__ __volatile__ ("qadd r0, r0, r0");
1520 }
1521EOF
1522fi
1523
1524if test $armv6 = "default" -a $arch = "armv4l"; then
1525 check_cc <<EOF && armv6=yes || armv6=no
1526int main(void) {
1527 __asm__ __volatile__ ("sadd16 r0, r0, r0");
1528}
1529EOF
1530fi
1531
1532# check iwmmxt support
1533if test $iwmmxt = "default" -a $arch = "armv4l"; then
1534 iwmmxt=no
1535 check_cc <<EOF && iwmmxt=yes
1536 int main(void) {
1537 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1538 }
1539EOF
1540fi
1541
1542# mmi only available on mips
1543if test $mmi = "default"; then
1544 if test $arch = "mips"; then
1545 mmi="yes"
1546 else
1547 mmi="no"
1548 fi
1549fi
1550
1551# check if our compiler supports mmi
1552enabled mmi && check_cc <<EOF || mmi="no"
1553int main(void) {
1554 __asm__ ("lq \$2, 0(\$2)");
1555 return 0;
1556}
1557EOF
1558
1559# ---
1560# big/little-endian test
1561if disabled cross_compile; then
1562 check_ld <<EOF || die "endian test failed" && $TMPE && bigendian="yes"
1563#include <inttypes.h>
1564int main(int argc, char ** argv){
1565 volatile uint32_t i=0x01234567;
1566 return (*((uint8_t*)(&i))) == 0x67;
1567}
1568EOF
1569else
1570 # programs cannot be launched if cross compiling, so make a static guess
1571 if test "$arch" = "powerpc" -o "$arch" = "mips" ; then
1572 bigendian="yes"
1573 fi
1574fi
1575
1576# ---
1577# check availability of some header files
1578
1579check_header malloc.h
1580check_func memalign
1581
1582if disabled_all memalign memalign_hack && enabled need_memalign ; then
1583 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1584fi
1585
1586check_header byteswap.h
1587
1588check_header arpa/inet.h
1589
1590check_func inet_aton
1591check_func localtime_r
1592enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1593
1594# ffserver uses poll(),
1595# if it's not found we can emulate it using select().
1596if enabled ffserver; then
1597 check_header sys/poll.h
1598fi
1599
1600# check for some common methods of building with pthread support
1601# do this before the optional library checks as some of them require pthreads
1602if enabled pthreads; then
1603 if check_func pthread_create; then
1604 :
1605 elif check_func pthread_create -pthread; then
1606 add_cflags -pthread
1607 add_ldflags -pthread
1608 elif check_func pthread_create -pthreads; then
1609 add_cflags -pthreads
1610 add_ldflags -pthreads
1611 elif ! check_lib pthread.h pthread_create -lpthread; then
1612 die "ERROR: can't find pthreads library"
1613 fi
1614fi
1615
1616for thread in $THREADS_LIST; do
1617 if enabled $thread; then
1618 if ! disabled thread_type ; then
1619 die "ERROR: Only one thread type must be selected."
1620 else
1621 thread_type="$thread"
1622 fi
1623 fi
1624done
1625
1626enabled_any libamr_nb libamr_wb && enable libamr
1627
1628# these are off by default, so fail if requested and not available
1629enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1630enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1631enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1632enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1633enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1634enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1635enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1636enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1637enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1638enabled libx264 && require x264 x264.h x264_encoder_open -lx264
1639enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1640enabled dc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1641enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1642enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1643enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1644enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1645
1646# test for lrintf in math.h
1647check_exec <<EOF && lrintf=yes || lrintf=no
1648#define _ISOC9X_SOURCE 1
1649#include <math.h>
1650int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1651EOF
1652
1653_restrict=
1654for restrict_keyword in restrict __restrict__ __restrict; do
1655 check_cc <<EOF && _restrict=$restrict_keyword && break
1656void foo(char * $restrict_keyword p);
1657EOF
1658done
1659
1660# dlopen/dlfcn.h probing
1661
1662check_header dlfcn.h
1663
1664if check_func dlopen; then
1665 ldl=
1666elif check_func dlopen -ldl; then
1667 ldl=-ldl
1668fi
1669
1670check_func fork
1671
1672test "$vhook" = "default" && vhook="$dlopen"
1673
1674enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
1675
1676if test "$targetos" = cygwin -o "$targetos" = mingw32 && enabled_all static vhook ; then
1677 vhook="no"
1678 echo
1679 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1680 echo "Patches welcome."
1681 echo
1682fi
1683
1684if enabled vhook; then
1685 check_ldflags -rdynamic
1686 check_ldflags -export-dynamic
1687fi
1688
1689enabled audio_beos && add_extralibs "-lmedia -lbe"
1690
1691check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1692check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1693
1694##########################################
1695# SDL check
1696
1697sdl_too_old=no
1698sdl=no
1699SDL_CONFIG="${cross_prefix}sdl-config"
1700if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1701 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1702 temp_cflags $sdl_cflags
1703 temp_extralibs `"${SDL_CONFIG}" --libs`
1704 if check_lib SDL.h SDL_Init; then
1705 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1706 if test "$_sdlversion" -lt 121 ; then
1707 sdl_too_old=yes
1708 else
1709 sdl=yes
1710 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1711#include <SDL.h>
1712int main(void){
1713 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1714 int w = vi->current_w;
1715 return 0;
1716}
1717EOF
1718 fi
1719 fi
1720 restore_flags
1721fi
1722
1723texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1724
1725##########################################
1726# IPv6 check
1727
1728enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1729#include <sys/types.h>
1730#include <sys/socket.h>
1731#include <netinet/in.h>
1732#include <netdb.h>
1733int main( void ) {
1734 struct sockaddr_storage saddr;
1735 struct ipv6_mreq mreq6;
1736 getaddrinfo(0,0,0,0);
1737 getnameinfo(0,0,0,0,0,0,0);
1738 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1739}
1740EOF
1741
1742enabled v4l && check_header linux/videodev.h || disable v4l
1743enabled v4l2 && check_header linux/videodev2.h || disable v4l2
1744
1745# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1746if enabled bktr; then
1747 { check_header dev/bktr/ioctl_meteor.h &&
1748 check_header dev/bktr/ioctl_bt848.h; } ||
1749 { check_header machine/ioctl_meteor.h &&
1750 check_header machine/ioctl_bt848.h; } ||
1751 { check_header dev/video/meteor/ioctl_meteor.h &&
1752 check_header dev/video/bktr/ioctl_bt848.h; } ||
1753 check_header dev/ic/bt8xx.h ||
1754 disable bktr
1755fi
1756
1757enabled audio_oss &&
1758 check_header sys/soundcard.h ||
1759 check_header soundcard.h ||
1760 disable audio_oss
1761
1762# Deal with the x11 frame grabber
1763enabled x11grab &&
1764enabled gpl &&
1765enabled x11_grab_device_demuxer &&
1766check_header X11/Xlib.h &&
1767check_header X11/extensions/XShm.h &&
1768check_func XOpenDisplay -lX11 &&
1769check_func XShmCreateImage -lX11 -lXext &&
1770add_extralibs -lX11 -lXext ||
1771disable x11_grab_device_demuxer
1772
1773enabled debug && add_cflags -g
1774
1775# add some useful compiler flags if supported
1776check_cflags -Wdeclaration-after-statement
1777check_cflags -Wall
1778check_cflags -Wno-switch
1779check_cflags -Wdisabled-optimization
1780check_cflags -Wpointer-arith
1781check_cflags -Wredundant-decls
1782check_cflags -Wno-pointer-sign
1783enabled extra_warnings && check_cflags -Winline
1784
1785# add some linker flags
1786check_ldflags $LDLATEFLAGS
1787
1788# not all compilers support -Os
1789test "$optimize" = "small" && check_cflags -Os
1790
1791if enabled optimize; then
1792 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1793 add_cflags "-O5"
1794 add_ldflags "-O5"
1795 else
1796 add_cflags "-O3"
1797 fi
1798fi
1799
1800# PIC flags for shared library objects where they are needed
1801if enabled shared; then
1802 # LIBOBJFLAGS may have already been set in the OS configuration
1803 if test -z "$LIBOBJFLAGS" ; then
1804 case "$arch" in
1805 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1806 esac
1807 fi
1808fi
1809
1810if enabled gprof; then
1811 add_cflags "-p"
1812 add_ldflags "-p"
1813fi
1814
1815VHOOKCFLAGS="-fPIC `echo $CFLAGS | sed s/-mdynamic-no-pic//`"
1816
1817# find if .align arg is power-of-two or not
1818if test $asmalign_pot = "unknown"; then
1819 asmalign_pot="no"
1820 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1821fi
1822
1823enabled_any $ENCODER_LIST && enable encoders
1824enabled_any $DECODER_LIST && enable decoders
1825enabled_any $MUXER_LIST && enable muxers
1826enabled_any $DEMUXER_LIST && enable demuxers
1827enabled_any $PROTOCOL_LIST && enable protocols
1828enabled_any $BSF_LIST && enable bsfs
1829
1830enabled_any $THREADS_LIST && enable threads
1831
1832check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1833 $BSF_LIST $DEMUXER_LIST $MUXER_LIST $PROTOCOL_LIST
1834
1835enabled libogg && append pkg_requires "ogg >= 1.1"
1836enabled libtheora && append pkg_requires "theora"
1837enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1838enabled dc1394 && append pkg_requires "libraw1394"
1839
1840echo "install prefix $PREFIX"
1841echo "source path $source_path"
1842echo "C compiler $cc"
1843echo "make $make"
1844echo ".align is power-of-two $asmalign_pot"
1845echo "ARCH $arch ($cpu)"
1846if test "$BUILDSUF" != ""; then
1847 echo "build suffix $BUILDSUF"
1848fi
1849echo "big-endian $bigendian"
1850if test $arch = "x86_32" -o $arch = "x86_64"; then
1851 echo "MMX enabled $mmx"
1852 echo "CMOV enabled $cmov"
1853 echo "CMOV is fast $fast_cmov"
1854fi
1855if test $arch = "armv4l"; then
1856 echo "ARMv5TE enabled $armv5te"
1857 echo "ARMv6 enabled $armv6"
1858 echo "IWMMXT enabled $iwmmxt"
1859fi
1860if test $arch = "mips"; then
1861 echo "MMI enabled $mmi"
1862fi
1863if test $arch = "powerpc"; then
1864 echo "AltiVec enabled $altivec"
1865 echo "dcbzl available $dcbzl"
1866fi
1867echo "gprof enabled $gprof"
1868echo "debug symbols $debug"
1869echo "strip symbols $dostrip"
1870echo "optimize $optimize"
1871echo "static $static"
1872echo "shared $shared"
1873echo "postprocessing support $pp"
1874echo "software scaler enabled $swscaler"
1875echo "video hooking $vhook"
1876if enabled vhook; then
1877 echo "Imlib2 support $imlib2"
1878 echo "FreeType support $freetype2"
1879fi
1880echo "network support $network"
1881if enabled network; then
1882 echo "IPv6 support $ipv6"
1883fi
1884echo "threading support $thread_type"
1885echo "SDL support $sdl"
1886if enabled sdl_too_old; then
1887 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1888fi
1889echo "Sun medialib support $mlib"
1890echo "AVISynth enabled $avisynth"
1891echo "liba52 support $liba52"
1892echo "liba52 dlopened $liba52bin"
1893echo "libamr-nb support $libamr_nb"
1894echo "libamr-wb support $libamr_wb"
1895echo "libfaac enabled $libfaac"
1896echo "libfaad enabled $libfaad"
1897echo "faadbin enabled $libfaadbin"
1898echo "libgsm enabled $libgsm"
1899echo "libmp3lame enabled $libmp3lame"
1900echo "libnut enabled $libnut"
1901echo "libogg enabled $libogg"
1902echo "libtheora enabled $libtheora"
1903echo "libvorbis enabled $libvorbis"
1904echo "x264 enabled $libx264"
1905echo "XviD enabled $libxvid"
1906echo "zlib enabled $zlib"
1907if disabled gpl; then
1908 echo "License: LGPL"
1909else
1910 echo "License: GPL"
1911fi
1912
1913echo "Creating config.mak and config.h..."
1914
1915echo "# Automatically generated by configure - do not modify!" > config.mak
1916echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1917echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1918
1919echo "PREFIX=$PREFIX" >> config.mak
1920echo "prefix=\$(DESTDIR)\${PREFIX}" >> config.mak
1921echo "libdir=\$(DESTDIR)$libdir" >> config.mak
1922echo "shlibdir=\$(DESTDIR)$shlibdir" >> config.mak
1923echo "incdir=\$(DESTDIR)$incdir" >> config.mak
1924echo "bindir=\$(DESTDIR)$bindir" >> config.mak
1925echo "mandir=\$(DESTDIR)$mandir" >> config.mak
1926echo "MAKE=$make" >> config.mak
1927echo "CC=$cc" >> config.mak
1928echo "AR=$ar" >> config.mak
1929echo "RANLIB=$ranlib" >> config.mak
1930if enabled dostrip; then
1931 echo "STRIP=$strip" >> config.mak
1932else
1933 echo "STRIP=echo ignoring strip" >> config.mak
1934fi
1935
1936echo "OPTFLAGS=$CFLAGS" >> config.mak
1937echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1938echo "LDFLAGS=$LDFLAGS" >> config.mak
1939echo "LDCONFIG=$LDCONFIG" >> config.mak
1940echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1941echo "SHFLAGS=$SHFLAGS" >> config.mak
1942echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1943echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1944echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1945echo "BUILD_STATIC=$static" >> config.mak
1946echo "BUILDSUF=$BUILDSUF" >> config.mak
1947echo "LIBPREF=$LIBPREF" >> config.mak
1948echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1949if enabled static; then
1950 echo "LIB=$LIB" >> config.mak
1951else # Some Make complain if this variable does not exist.
1952 echo "LIB=" >> config.mak
1953fi
1954echo "SLIBPREF=$SLIBPREF" >> config.mak
1955echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1956echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1957
1958ucarch=`toupper $arch`
1959echo "TARGET_ARCH_${ucarch}=yes" >> config.mak
1960echo "#define ARCH_${ucarch} 1" >> $TMPH
1961
1962# special cases
1963case "$arch" in
1964 x86_32|x86_64)
1965 echo "TARGET_ARCH_X86=yes" >> config.mak
1966 echo "#define ARCH_X86 1" >> $TMPH
1967 ;;
1968 powerpc)
1969 if test "$POWERPCMODE" = "64bits"; then
1970 echo "#define POWERPC_MODE_64BITS 1" >> $TMPH
1971 fi
1972 ;;
1973 sparc64)
1974 echo "TARGET_ARCH_SPARC=yes" >> config.mak
1975 echo "#define ARCH_SPARC 1" >> $TMPH
1976 ;;
1977esac
1978
1979if enabled bigendian; then
1980 echo "WORDS_BIGENDIAN=yes" >> config.mak
1981 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1982fi
1983if enabled mmx; then
1984 echo "#define __CPU__ 586" >> $TMPH
1985fi
1986
1987if enabled sdl; then
1988 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1989 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1990fi
1991if enabled texi2html; then
1992 echo "BUILD_DOC=yes" >> config.mak
1993fi
1994
1995sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1996pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1997lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1998lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1999lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
2000
2001
2002
2003if enabled shared; then
2004 echo "BUILD_SHARED=yes" >> config.mak
2005 echo "PIC=-fPIC -DPIC" >> config.mak
2006 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
2007 echo "SPPVERSION=$pp_version" >> config.mak
2008 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
2009 echo "LAVCVERSION=$lavc_version" >> config.mak
2010 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
2011 echo "LAVFVERSION=$lavf_version" >> config.mak
2012 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
2013 echo "LAVUVERSION=$lavu_version" >> config.mak
2014 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
2015 echo "SWSVERSION=$sws_version" >> config.mak
2016 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2017 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2018 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2019 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2020 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2021fi
2022echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2023echo "EXTRALIBS=$extralibs" >> config.mak
2024
2025print_config HAVE_ $TMPH config.mak $HAVE_LIST
2026print_config TARGET_ $TMPH config.mak $TARGET_LIST
2027print_config_enable CONFIG_ $TMPH config.mak $CONFIG_LIST \
2028 $DECODER_LIST \
2029 $ENCODER_LIST \
2030 $PARSER_LIST \
2031 $BSF_LIST \
2032 $DEMUXER_LIST \
2033 $MUXER_LIST \
2034 $PROTOCOL_LIST \
2035
2036if test "$targetos" = darwin; then
2037 echo "#define CONFIG_DARWIN 1" >> $TMPH
2038fi
2039
2040echo "#define restrict $_restrict" >> $TMPH
2041
2042if test "$optimize" = "small"; then
2043 echo "#define always_inline" >> $TMPH
2044 echo "#define CONFIG_SMALL 1" >> $TMPH
2045fi
2046
2047echo "SRC_PATH=\"$source_path\"" >> config.mak
2048echo "SRC_PATH_BARE=$source_path" >> config.mak
2049echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2050
2051# Apparently it's not possible to portably echo a backslash.
2052if enabled asmalign_pot; then
2053 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
2054else
2055 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
2056fi
2057
2058
2059# Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
2060if ! cmp -s $TMPH config.h; then
2061 mv -f $TMPH config.h
2062else
2063 echo "config.h is unchanged"
2064fi
2065
2066rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
2067
2068# build tree in object directory if source path is different from current one
2069if enabled source_path_used; then
2070 DIRS="\
2071 doc \
2072 libavformat \
2073 libavcodec \
2074 libavcodec/alpha \
2075 libavcodec/armv4l \
2076 libavcodec/bfin \
2077 libavcodec/i386 \
2078 libavcodec/sparc \
2079 libavcodec/mlib \
2080 libavcodec/ppc \
2081 libpostproc \
2082 libavutil \
2083 libswscale \
2084 tests \
2085 vhook \
2086 "
2087 FILES="\
2088 Makefile \
2089 common.mak \
2090 libavformat/Makefile \
2091 libavcodec/Makefile \
2092 libpostproc/Makefile \
2093 libavutil/Makefile \
2094 libswscale/Makefile \
2095 tests/Makefile \
2096 vhook/Makefile \
2097 doc/texi2pod.pl \
2098 "
2099 for dir in $DIRS ; do
2100 mkdir -p $dir
2101 done
2102 for f in $FILES ; do
2103 ln -sf "$source_path/$f" $f
2104 done
2105fi
2106
2107
2108# build pkg-config files
2109# FIXME: libdir and includedir are hardcoded and may differ from the real path.
2110
2111pkgconfig_generate(){
2112name=$1
2113comment=$2
2114version=$3
2115libs=$4
2116requires=$5
2117include=$6
2118cat <<EOF >$name.pc
2119prefix=$PREFIX
2120exec_prefix=\${prefix}
2121libdir=\${exec_prefix}/lib
2122includedir=\${prefix}/include
2123
2124Name: $name
2125Description: $comment
2126Version: $version
2127Requires: $requires
2128Conflicts:
2129Libs: -L\${libdir} $libs
2130Cflags: -I\${includedir} -I\${includedir}/$include
2131EOF
2132}
2133
2134pkgconfig_generate_uninstalled(){
2135name=$1
2136shortname=${name#lib}
2137comment=$2
2138version=$3
2139libs=$4
2140requires=$5
2141cat <<EOF >$name-uninstalled.pc
2142prefix=
2143exec_prefix=
2144libdir=\${pcfiledir}/$name
2145includedir=\${pcfiledir}/$name
2146
2147Name: $name
2148Description: $comment
2149Version: $version
2150Requires: $requires
2151Conflicts:
2152Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2153Cflags: -I\${includedir}
2154EOF
2155}
2156
2157pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2158pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2159
2160pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2161pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2162
2163pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2164pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2165
2166if enabled pp; then
2167 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2168 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2169fi
2170
2171if enabled swscaler; then
2172 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2173 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2174else
2175 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2176 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2177 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2178 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2179fi