ln is not available on all platforms, so introduce a variable for it
[libav.git] / configure
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
13 try_exec(){
14 echo "Trying shell $1"
15 type "$1" >/dev/null 2>&1 && exec "$@"
16 }
17
18 unset foo
19 (: ${foo%%bar}) 2>/dev/null
20 E1="$?"
21
22 (: ${foo?}) 2>/dev/null
23 E2="$?"
24
25 if 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
51 fi
52
53 show_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-pthreads use pthreads [default=no]"
75 echo " --enable-w32threads use Win32 threads [default=no]"
76 echo " --enable-x11grab enable X11 grabbing [default=no]"
77 echo
78 echo "External library support:"
79 echo " --enable-sunmlib use Sun medialib [default=no]"
80 echo " --enable-liba52 enable GPLed liba52 support [default=no]"
81 echo " --enable-liba52bin open liba52.so.0 at runtime [default=no]"
82 echo " --enable-avisynth allow reading AVISynth script files [default=no]"
83 echo " --enable-libamr-nb enable libamr-nb floating point audio codec"
84 echo " --enable-libamr-wb enable libamr-wb floating point audio codec"
85 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
86 echo " and libraw1394 [default=no]"
87 echo " --enable-libfaac enable FAAC support via libfaac [default=no]"
88 echo " --enable-libfaad enable FAAD support via libfaad [default=no]"
89 echo " --enable-libfaadbin open libfaad.so.0 at runtime [default=no]"
90 echo " --enable-libgsm enable GSM support via libgsm [default=no]"
91 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [default=no]"
92 echo " --enable-libnut enable NUT (de)muxing via libnut,"
93 echo " native demuxer exists [default=no]"
94 echo " --enable-libogg enable Ogg muxing via libogg [default=no]"
95 echo " --enable-libtheora enable Theora encoding via libtheora [default=no]"
96 echo " --enable-libvorbis enable Vorbis en/decoding via libvorbis,"
97 echo " native implementations exist [default=no]"
98 echo " --enable-libx264 enable H.264 encoding via x264 [default=no]"
99 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
100 echo " native MPEG-4/Xvid encoder exists [default=no]"
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 [$cross_prefix]"
105 echo " --cross-compile assume a cross-compiler is used"
106 echo " --target-os=OS compiler targets OS [$targetos]"
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 [$ELIBS]"
112 echo " --build-suffix=SUFFIX suffix for application specific build []"
113 echo " --arch=ARCH select architecture [$arch]"
114 echo " --cpu=CPU selects the minimum cpu required (affects"
115 echo " instruction selection, may crash on older CPUs)"
116 echo " --enable-powerpc-perf enable performance report on PPC"
117 echo " (requires enabling PMC)"
118 echo " --disable-mmx disable MMX usage"
119 echo " --disable-armv5te disable armv5te usage"
120 echo " --disable-armv6 disable armv6 usage"
121 echo " --disable-iwmmxt disable iwmmxt usage"
122 echo " --disable-altivec disable AltiVec usage"
123 echo " --disable-bktr disable bktr video grabbing [default=no]"
124 echo " --disable-network disable network support [default=no]"
125 echo " --disable-ipv6 disable ipv6 support [default=no]"
126 echo " --disable-zlib disable zlib [default=no]"
127 echo " --disable-vhook disable video hooking support"
128 echo " --disable-debug disable debugging symbols"
129 echo " --disable-mpegaudio-hp faster (but less accurate)"
130 echo " MPEG audio decoding [default=no]"
131 echo " --enable-gray enable full grayscale support (slower color)"
132 echo " --disable-ffmpeg disable ffmpeg build"
133 echo " --disable-ffserver disable ffserver build"
134 echo " --disable-ffplay disable ffplay build"
135 echo " --enable-small optimize for size instead of speed"
136 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
137 echo " --disable-encoder=NAME disables encoder NAME"
138 echo " --enable-encoder=NAME enables encoder NAME"
139 echo " --disable-decoder=NAME disables decoder NAME"
140 echo " --enable-decoder=NAME enables decoder NAME"
141 echo " --disable-encoders disables all encoders"
142 echo " --disable-decoders disables all decoders"
143 echo " --disable-muxer=NAME disables muxer NAME"
144 echo " --enable-muxer=NAME enables muxer NAME"
145 echo " --disable-muxers disables all muxers"
146 echo " --disable-demuxer=NAME disables demuxer NAME"
147 echo " --enable-demuxer=NAME enables demuxer NAME"
148 echo " --disable-demuxers disables all demuxers"
149 echo " --enable-parser=NAME enables parser NAME"
150 echo " --disable-parser=NAME disables parser NAME"
151 echo " --disable-parsers disables all parsers"
152 echo " --enable-bsf=NAME enables bitstream filter NAME"
153 echo " --disable-bsf=NAME disables bitstream filter NAME"
154 echo " --disable-bsfs disables all bitstream filters"
155 echo " --enable-protocol=NAME enables protocol NAME"
156 echo " --disable-protocol=NAME disables protocol NAME"
157 echo " --disable-protocols disables all protocols"
158 echo " --list-decoders show all available decoders"
159 echo " --list-encoders show all available encoders"
160 echo " --list-muxers show all available muxers"
161 echo " --list-demuxers show all available demuxers"
162 echo " --list-parsers show all available parsers"
163 echo " --list-protocols show all available protocols"
164 echo " --list-bsfs show all available bitstream filters"
165 echo
166 echo "Developer options (useful when working on FFmpeg itself):"
167 echo " --enable-gprof enable profiling with gprof [$gprof]"
168 echo " --disable-opts disable compiler optimizations"
169 echo " --enable-extra-warnings enable more compiler warnings"
170 echo " --disable-strip disable stripping of executables and shared libraries"
171 echo ""
172 echo "NOTE: Object files are built at the place where configure is launched."
173 exit 1
174 }
175
176 log(){
177 echo "$@" >>$logfile
178 }
179
180 log_file(){
181 log BEGIN $1
182 cat -n $1 >>$logfile
183 log END $1
184 }
185
186 echolog(){
187 log "$@"
188 echo "$@"
189 }
190
191 die(){
192 echolog "$@"
193 cat <<EOF
194 If you think configure made a mistake, make sure you are using the latest
195 version from SVN. If the latest version fails, report the problem to the
196 ffmpeg-devel@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
197 EOF
198 if enabled logging; then
199 cat <<EOF
200 Include the log file "$logfile" produced by configure as this will help
201 solving the problem.
202 EOF
203 else
204 cat <<EOF
205 Rerun configure with logging enabled (do not use --log=no), and include the
206 log this produces with your report.
207 EOF
208 fi
209 rm -f $TMPC $TMPO $TMPE $TMPS $TMPH
210 exit 1
211 }
212
213 # "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
214 toupper(){
215 echo "$@" | tr '[a-z]' '[A-Z]'
216 }
217
218 tolower(){
219 echo "$@" | tr '[A-Z]' '[a-z]'
220 }
221
222 set_all(){
223 value=$1
224 shift
225 for var in $*; do
226 eval $var=$value
227 done
228 }
229
230 pushvar(){
231 for var in $*; do
232 eval level=\${${var}_level:=0}
233 eval ${var}_${level}="\$$var"
234 eval ${var}_level=$(($level+1))
235 done
236 }
237
238 popvar(){
239 for var in $*; do
240 eval level=\${${var}_level:-0}
241 test $level = 0 && continue
242 eval level=$(($level-1))
243 eval $var="\${${var}_${level}}"
244 eval ${var}_level=$level
245 eval unset ${var}_${level}
246 done
247 }
248
249 enable(){
250 set_all yes $*
251 }
252
253 disable(){
254 set_all no $*
255 }
256
257 enabled(){
258 eval test "x\$$1" = "xyes"
259 }
260
261 disabled(){
262 eval test "x\$$1" = "xno"
263 }
264
265 enabled_all(){
266 for opt; do
267 enabled $opt || return 1
268 done
269 }
270
271 disabled_all(){
272 for opt; do
273 disabled $opt || return 1
274 done
275 }
276
277 enabled_any(){
278 for opt; do
279 enabled $opt && return 0
280 done
281 }
282
283 disabled_any(){
284 for opt; do
285 disabled $opt && return 0
286 done
287 }
288
289 is_in(){
290 value=$1
291 shift
292 for var in $*; do
293 [ $var = $value ] && return 0
294 done
295 return 1
296 }
297
298 check_deps(){
299 for cfg; do
300 enabled ${cfg}_checking && die "Circular dependency for $cfg."
301 disabled ${cfg}_checking && continue
302 enable ${cfg}_checking
303
304 eval dep_all="\$${cfg}_deps"
305 eval dep_any="\$${cfg}_deps_any"
306
307 pushvar cfg dep_all dep_any
308 check_deps $dep_all $dep_any
309 popvar cfg dep_all dep_any
310
311 enabled_all $dep_all || disable $cfg
312 enabled_any $dep_any || disable $cfg
313
314 disable ${cfg}_checking
315 done
316 }
317
318 print_config(){
319 pfx=$1
320 header=$2
321 makefile=$3
322 shift 3
323 for cfg; do
324 ucname="`toupper $cfg`"
325 if enabled $cfg; then
326 echo "#define ${pfx}${ucname} 1" >> $header
327 echo "#define ENABLE_${ucname} 1" >> $header
328 echo "${pfx}${ucname}=yes" >> $makefile
329 else
330 echo "#define ENABLE_${ucname} 0" >> $header
331 fi
332 done
333 }
334
335 flags_saved(){
336 (: ${SAVE_CFLAGS?}) 2>/dev/null
337 }
338
339 save_flags(){
340 flags_saved && return
341 SAVE_CFLAGS="$CFLAGS"
342 SAVE_LDFLAGS="$LDFLAGS"
343 SAVE_extralibs="$extralibs"
344 }
345
346 restore_flags(){
347 flags_saved || return
348 CFLAGS="$SAVE_CFLAGS"
349 LDFLAGS="$SAVE_LDFLAGS"
350 extralibs="$SAVE_extralibs"
351 unset SAVE_CFLAGS
352 unset SAVE_LDFLAGS
353 unset SAVE_extralibs
354 }
355
356 temp_cflags(){
357 save_flags
358 CFLAGS="$CFLAGS $*"
359 }
360
361 temp_ldflags(){
362 save_flags
363 LDFLAGS="$LDFLAGS $*"
364 }
365
366 temp_extralibs(){
367 save_flags
368 extralibs="$extralibs $*"
369 }
370
371 append(){
372 var=$1
373 shift
374 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
375 eval "$var=\"\$$var $*\""
376 }
377
378 add_cflags(){
379 append CFLAGS "$@"
380 }
381
382 add_ldflags(){
383 append LDFLAGS "$@"
384 }
385
386 add_extralibs(){
387 append extralibs "$@"
388 }
389
390 check_cmd(){
391 log "$@"
392 "$@" >>$logfile 2>&1
393 }
394
395 check_cc(){
396 log check_cc "$@"
397 cat >$TMPC
398 log_file $TMPC
399 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
400 }
401
402 check_cpp(){
403 log check_cpp "$@"
404 cat >$TMPC
405 log_file $TMPC
406 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
407 }
408
409 check_ld(){
410 log check_ld "$@"
411 check_cc || return
412 flags=''
413 libs=''
414 for f; do
415 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
416 done
417 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
418 }
419
420 check_cflags(){
421 log check_cflags "$@"
422 check_cc "$@" <<EOF && add_cflags "$@"
423 int x;
424 EOF
425 }
426
427 check_ldflags(){
428 log check_ldflags "$@"
429 check_ld "$@" <<EOF && add_ldflags "$@"
430 int main(){
431 return 0;
432 }
433 EOF
434 }
435
436 check_header(){
437 log check_header "$@"
438 header=$1
439 shift
440 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
441 disable $var
442 check_cpp "$@" <<EOF && enable $var
443 #include <$header>
444 int x;
445 EOF
446 }
447
448 check_func(){
449 log check_func "$@"
450 func=$1
451 shift
452 disable $func
453 check_ld "$@" <<EOF && enable $func
454 extern int $func();
455 int main(){
456 $func();
457 }
458 EOF
459 }
460
461 check_func2(){
462 log check_func2 "$@"
463 headers=$1
464 func=$2
465 shift 2
466 disable $func
467 incs=""
468 for hdr in $headers; do
469 incs="$incs
470 #include <$hdr>"
471 done
472 check_ld "$@" <<EOF && enable $func
473 $incs
474 int main(){
475 (void) $func;
476 return 0;
477 }
478 EOF
479 }
480
481 check_lib(){
482 log check_lib "$@"
483 header="$1"
484 func="$2"
485 shift 2
486 temp_extralibs "$@"
487 check_header $header && check_func $func && add_extralibs "$@"
488 err=$?
489 restore_flags
490 return $err
491 }
492
493 check_lib2(){
494 log check_lib2 "$@"
495 headers="$1"
496 func="$2"
497 shift 2
498 temp_extralibs "$@"
499 check_func2 "$headers" $func && add_extralibs "$@"
500 err=$?
501 restore_flags
502 return $err
503 }
504
505 check_exec(){
506 check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
507 }
508
509 check_exec_crash(){
510 code=`cat`
511
512 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
513 # are safe but may not be available everywhere. Thus we use
514 # raise(SIGTERM) instead. The check is run in a subshell so we
515 # can redirect the "Terminated" message from the shell. SIGBUS
516 # is not defined by standard C so it is used conditionally.
517
518 (check_exec "$@") >>$logfile 2>&1 <<EOF
519 #include <signal.h>
520 static void sighandler(int sig){
521 raise(SIGTERM);
522 }
523 int main(){
524 signal(SIGILL, sighandler);
525 signal(SIGFPE, sighandler);
526 signal(SIGSEGV, sighandler);
527 #ifdef SIGBUS
528 signal(SIGBUS, sighandler);
529 #endif
530 { $code }
531 }
532 EOF
533 }
534
535 require(){
536 name="$1"
537 header="$2"
538 func="$3"
539 shift 3
540 check_lib $header $func "$@" || die "ERROR: $name not found"
541 }
542
543 require2(){
544 name="$1"
545 headers="$2"
546 func="$3"
547 shift 3
548 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
549 }
550
551 check_foo_config(){
552 cfg=$1
553 pkg=$2
554 header=$3
555 func=$4
556 shift 4
557 disable $cfg
558 check_cmd ${pkg}-config --version
559 err=$?
560 if test "$err" = 0; then
561 temp_cflags `${pkg}-config --cflags`
562 temp_extralibs `${pkg}-config --libs`
563 check_lib "$@" $header $func && enable $cfg
564 fi
565 return $err
566 }
567
568 apply(){
569 file=$1
570 shift
571 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
572 }
573
574 COMPONENT_LIST="
575 bsfs
576 decoders
577 demuxers
578 encoders
579 muxers
580 parsers
581 protocols
582 "
583
584 CONFIG_LIST="
585 $COMPONENT_LIST
586 avisynth
587 beos_netserver
588 bktr
589 ffmpeg
590 ffplay
591 ffserver
592 gpl
593 gprof
594 gray
595 ipv6
596 liba52
597 liba52bin
598 libamr
599 libamr_nb
600 libamr_wb
601 libdc1394
602 libfaac
603 libfaad
604 libfaadbin
605 libgsm
606 libmp3lame
607 libnut
608 libogg
609 libtheora
610 libvorbis
611 libx264
612 libxvid
613 memalign_hack
614 mpegaudio_hp
615 network
616 powerpc_perf
617 pp
618 small
619 swscaler
620 vhook
621 x11grab
622 zlib
623 "
624
625 THREADS_LIST='
626 beosthreads
627 pthreads
628 w32threads
629 '
630
631 ARCH_LIST='
632 alpha
633 armv4l
634 bfin
635 ia64
636 m68k
637 mips
638 parisc
639 powerpc
640 s390
641 sh4
642 sparc
643 sparc64
644 x86
645 x86_32
646 x86_64
647 '
648
649 ARCH_EXT_LIST='
650 altivec
651 armv5te
652 armv6
653 iwmmxt
654 mmi
655 mmx
656 ssse3
657 '
658
659 HAVE_LIST="
660 $ARCH_EXT_LIST
661 $THREADS_LIST
662 altivec_h
663 arpa_inet_h
664 byteswap_h
665 closesocket
666 cmov
667 conio_h
668 dcbzl
669 dev_bktr_ioctl_bt848_h
670 dev_bktr_ioctl_meteor_h
671 dev_ic_bt8xx_h
672 dev_video_meteor_ioctl_meteor_h
673 dev_video_bktr_ioctl_bt848_h
674 dlfcn_h
675 dlopen
676 ebp_available
677 ebx_available
678 fast_64bit
679 fast_cmov
680 fast_unaligned
681 fork
682 freetype2
683 gethrtime
684 GetProcessTimes
685 getrusage
686 imlib2
687 inet_aton
688 lrintf
689 machine_ioctl_bt848_h
690 machine_ioctl_meteor_h
691 malloc_h
692 memalign
693 mkstemp
694 mlib
695 ppc64
696 sdl
697 sdl_video_size
698 soundcard_h
699 sys_poll_h
700 sys_soundcard_h
701 termios_h
702 threads
703 winsock2_h
704 "
705
706 CMDLINE_SELECT="
707 $ARCH_EXT_LIST
708 $CONFIG_LIST
709 $THREADS_LIST
710 debug
711 extra_warnings
712 shared
713 static
714 "
715
716 # code dependency declarations
717
718 # architecture extensions
719 altivec_deps="powerpc"
720 armv5te_deps="armv4l"
721 armv6_deps="armv4l"
722 iwmmxt_deps="armv4l"
723 mmi_deps="mips"
724 mmx_deps="x86"
725 ssse3_deps="x86"
726
727 # decoders / encoders
728 ac3_decoder_deps="gpl"
729 dxa_decoder_deps="zlib"
730 flashsv_decoder_deps="zlib"
731 flashsv_encoder_deps="zlib"
732 flv_decoder_deps="h263_decoder"
733 h263_decoder_deps="h263_parser mpeg4video_parser"
734 h263i_decoder_deps="h263_decoder"
735 h264_decoder_deps="h264_parser"
736 mpeg_xvmc_decoder_deps="xvmc"
737 mpeg4_decoder_deps="h263_decoder"
738 msmpeg4v1_decoder_deps="h263_decoder"
739 msmpeg4v2_decoder_deps="h263_decoder"
740 msmpeg4v3_decoder_deps="h263_decoder"
741 png_decoder_deps="zlib"
742 png_encoder_deps="zlib"
743 svq3_decoder_deps="h264_parser"
744 vc1_decoder_deps="h263_decoder"
745 wmv1_decoder_deps="h263_decoder"
746 wmv2_decoder_deps="h263_decoder"
747 wmv3_decoder_deps="h263_decoder"
748 zmbv_decoder_deps="zlib"
749 zmbv_encoder_deps="zlib"
750
751 # external libraries
752 mpeg4aac_decoder_deps="libfaad"
753 liba52_decoder_deps="liba52"
754 libamr_nb_decoder_deps="libamr_nb"
755 libamr_nb_encoder_deps="libamr_nb"
756 libamr_wb_decoder_deps="libamr_wb"
757 libamr_wb_encoder_deps="libamr_wb"
758 libfaac_encoder_deps="libfaac"
759 libfaad_decoder_deps="libfaad"
760 libgsm_decoder_deps="libgsm"
761 libgsm_encoder_deps="libgsm"
762 libgsm_ms_decoder_deps="libgsm"
763 libgsm_ms_encoder_deps="libgsm"
764 libmp3lame_encoder_deps="libmp3lame"
765 libtheora_encoder_deps="libtheora"
766 libvorbis_decoder_deps="libvorbis"
767 libvorbis_encoder_deps="libvorbis"
768 libx264_encoder_deps="libx264"
769 libxvid_encoder_deps="libxvid"
770
771 # demuxers / muxers
772 ac3_demuxer_deps="ac3_parser"
773 audio_beos_demuxer_deps="audio_beos"
774 audio_beos_muxer_deps="audio_beos"
775 bktr_demuxer_deps="bktr"
776 dv1394_demuxer_deps="dv1394"
777 libdc1394_demuxer_deps="libdc1394"
778 libnut_demuxer_deps="libnut"
779 libnut_muxer_deps="libnut"
780 mp3_demuxer_deps="mpegaudio_parser"
781 ogg_muxer_deps="libogg"
782 oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
783 oss_muxer_deps_any="soundcard_h sys_soundcard_h"
784 redir_demuxer_deps="network"
785 rtp_muxer_deps="network mpegts_demuxer"
786 rtsp_demuxer_deps="rtp_protocol rtp_muxer"
787 sdp_demuxer_deps="rtsp_demuxer"
788 v4l2_demuxer_deps="linux_videodev2_h"
789 v4l_demuxer_deps="linux_videodev_h"
790 x11_grab_device_demuxer_deps="x11grab"
791
792 # protocols
793 http_protocol_deps="network"
794 rtp_protocol_deps="udp_protocol"
795 tcp_protocol_deps="network"
796 udp_protocol_deps="network"
797
798 # programs
799 ffplay_deps="sdl"
800 ffserver_deps="muxers rtp_protocol"
801
802
803 # set temporary file name
804 if test ! -z "$TMPDIR" ; then
805 TMPDIR1="${TMPDIR}"
806 elif test ! -z "$TEMPDIR" ; then
807 TMPDIR1="${TEMPDIR}"
808 else
809 TMPDIR1="/tmp"
810 fi
811
812 TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
813 TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
814 TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
815 TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
816 TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
817
818 # default parameters
819
820 logging="yes"
821 logfile="config.err"
822
823 # installation paths
824 PREFIX="/usr/local"
825 libdir='$(PREFIX)/lib'
826 shlibdir="$libdir"
827 incdir='$(PREFIX)/include/ffmpeg'
828 mandir='$(PREFIX)/man'
829 bindir='$(PREFIX)/bin'
830
831 # toolchain
832 cc="gcc"
833 ar="ar"
834 ranlib="ranlib"
835 make="make"
836 strip="strip"
837 asmalign_pot="unknown"
838 ln_s="ln -sf"
839
840 # machine
841 arch=`uname -m`
842 cpu="generic"
843
844 # OS
845 targetos=$(tolower $(uname -s))
846
847 # non-library system interfaces
848 bktr="yes"
849
850 # libraries
851 zlib="yes"
852
853 # configurable options
854 debug="yes"
855 dostrip="yes"
856 ffmpeg="yes"
857 ffplay="yes"
858 ffserver="yes"
859 ipv6="yes"
860 static="yes"
861 mpegaudio_hp="yes"
862 network="yes"
863 optimize="yes"
864 protocols="yes"
865 vhook="default"
866
867 # build settings
868 SHFLAGS='-shared -Wl,-soname,$@'
869 VHOOKSHFLAGS='$(SHFLAGS)'
870 LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
871 FFSERVERLDFLAGS=-Wl,-E
872 LDCONFIG="ldconfig"
873 LIBPREF="lib"
874 LIBSUF=".a"
875 LIB='$(LIBPREF)$(NAME)$(LIBSUF)'
876 SLIBPREF="lib"
877 SLIBSUF=".so"
878 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
879 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
880 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
881 LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIB)"'
882
883 # find source path
884 source_path="`dirname \"$0\"`"
885 source_path_used="yes"
886 if test -z "$source_path" -o "$source_path" = "." ; then
887 source_path="`pwd`"
888 source_path_used="no"
889 else
890 source_path="`cd \"$source_path\"; pwd`"
891 echo "$source_path" | grep -q '[[:blank:]]' &&
892 die "Out of tree builds are impossible with whitespace in source path."
893 fi
894
895 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
896 show_help
897 fi
898
899 FFMPEG_CONFIGURATION="$@"
900
901 ENCODER_LIST=`sed -n 's/^[^#]*ENC.*(.*, *\(.*\)).*/\1_encoder/p' "$source_path/libavcodec/allcodecs.c"`
902 DECODER_LIST=`sed -n 's/^[^#]*DEC.*(.*, *\(.*\)).*/\1_decoder/p' "$source_path/libavcodec/allcodecs.c"`
903 PARSER_LIST=`sed -n 's/^[^#]*PARSER.*(.*, *\(.*\)).*/\1_parser/p' "$source_path/libavcodec/allcodecs.c"`
904 BSF_LIST=`sed -n 's/^[^#]*BSF.*(.*, *\(.*\)).*/\1_bsf/p' "$source_path/libavcodec/allcodecs.c"`
905 MUXER_LIST=`sed -n 's/^[^#]*_MUX.*(.*, *\(.*\)).*/\1_muxer/p' "$source_path/libavformat/allformats.c"`
906 DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*(.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libavformat/allformats.c"`
907 PROTOCOL_LIST=`sed -n 's/^[^#]*PROTOCOL.*(.*, *\(.*\)).*/\1_protocol/p' "$source_path/libavformat/allformats.c"`
908
909 enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST $PROTOCOL_LIST $BSF_LIST
910 enable $ARCH_EXT_LIST
911
912 die_unknown(){
913 echo "Unknown option \"$1\"."
914 echo "See $0 --help for available options."
915 exit 1
916 }
917
918 show_list() {
919 for part in $*; do
920 echo $part | sed 's/_[^_]*$//'
921 done | sort
922 exit 0
923 }
924
925 for opt do
926 optval="${opt#*=}"
927 case "$opt" in
928 --log)
929 ;;
930 --log=*) logging="$optval"
931 ;;
932 --prefix=*) PREFIX="$optval"
933 ;;
934 --libdir=*) libdir="$optval"
935 ;;
936 --shlibdir=*) shlibdir="$optval"
937 ;;
938 --incdir=*) incdir="$optval"
939 ;;
940 --mandir=*) mandir="$optval"
941 ;;
942 --source-path=*) source_path="$optval"
943 ;;
944 --cross-prefix=*) cross_prefix="$optval"
945 ;;
946 --cross-compile) cross_compile="yes"
947 ;;
948 --target-os=*) targetos="$optval"
949 ;;
950 --cc=*) cc="$optval"
951 ;;
952 --make=*) make="$optval"
953 ;;
954 --extra-cflags=*) add_cflags "$optval"
955 ;;
956 --extra-ldflags=*) add_ldflags "$optval"
957 ;;
958 --extra-libs=*) add_extralibs "$optval"
959 ;;
960 --build-suffix=*) BUILDSUF="$optval"
961 ;;
962 --arch=*) arch="$optval"
963 ;;
964 --cpu=*) cpu="$optval"
965 ;;
966 --disable-opts) optimize="no"
967 ;;
968 --enable-sunmlib) mlib="yes"
969 ;;
970 --disable-strip) dostrip="no"
971 ;;
972 --disable-encoders) disable $ENCODER_LIST
973 ;;
974 --disable-decoders) disable $DECODER_LIST
975 ;;
976 --disable-muxers) disable $MUXER_LIST
977 ;;
978 --disable-demuxers) disable $DEMUXER_LIST
979 ;;
980 --disable-parsers) disable $PARSER_LIST
981 ;;
982 --disable-bsfs) disable $BSF_LIST
983 ;;
984 --disable-protocols) disable $PROTOCOL_LIST
985 ;;
986 --enable-*=*|--disable-*=*)
987 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
988 case "$thing" in
989 encoder|decoder|muxer|demuxer|parser|bsf|protocol) $action ${optval}_${thing} ;;
990 *) die_unknown "$opt" ;;
991 esac
992 ;;
993 --enable-?*|--disable-?*)
994 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
995 echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
996 $action $option
997 ;;
998 --list-*)
999 NAME="${opt#--list-}"
1000 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1001 NAME=$(toupper ${NAME%s})
1002 eval show_list \$${NAME}_LIST
1003 ;;
1004 --help) show_help
1005 ;;
1006 *)
1007 die_unknown $opt
1008 ;;
1009 esac
1010 done
1011
1012 case "$arch" in
1013 i386|i486|i586|i686|i86pc|BePC)
1014 arch="x86_32"
1015 enable fast_unaligned
1016 ;;
1017 x86_64|amd64)
1018 arch="x86_32"
1019 enable fast_unaligned
1020 canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
1021 if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
1022 if [ -z "`echo $CFLAGS | grep -- -m32`" ]; then
1023 arch="x86_64"
1024 enable fast_64bit
1025 fi
1026 fi
1027 ;;
1028 # armv4l is a subset of armv[567]*l
1029 arm|armv[4567]*l)
1030 arch="armv4l"
1031 ;;
1032 alpha)
1033 arch="alpha"
1034 enable fast_64bit
1035 ;;
1036 "Power Macintosh"|ppc|powerpc)
1037 arch="powerpc"
1038 ;;
1039 ppc64)
1040 arch="powerpc"
1041 enable fast_64bit
1042 ;;
1043 mips|mipsel|IP*)
1044 arch="mips"
1045 ;;
1046 sun4u|sparc64)
1047 arch="sparc64"
1048 enable fast_64bit
1049 ;;
1050 sparc)
1051 arch="sparc"
1052 ;;
1053 sh4)
1054 arch="sh4"
1055 ;;
1056 parisc)
1057 arch="parisc"
1058 ;;
1059 parisc64)
1060 arch="parisc"
1061 enable fast_64bit
1062 ;;
1063 s390|s390x)
1064 arch="s390"
1065 ;;
1066 m68k)
1067 arch="m68k"
1068 ;;
1069 ia64)
1070 arch="ia64"
1071 enable fast_64bit
1072 ;;
1073 bfin)
1074 arch="bfin"
1075 ;;
1076 *)
1077 arch="unknown"
1078 ;;
1079 esac
1080
1081 enable $arch
1082 enabled_any x86_32 x86_64 && enable x86
1083 enabled sparc64 && enable sparc
1084
1085 # OS specific
1086 osextralibs="-lm"
1087 case $targetos in
1088 beos|haiku|zeta)
1089 PREFIX="$HOME/config"
1090 # helps building libavcodec
1091 add_cflags "-DPIC -fomit-frame-pointer"
1092 # 3 gcc releases known for BeOS, each with ugly bugs
1093 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1094 case "$gcc_version" in
1095 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1096 mmx="no"
1097 ;;
1098 *20010315*) echo "BeBits gcc"
1099 add_cflags "-fno-expensive-optimizations"
1100 ;;
1101 esac
1102 LDCONFIG="echo ignoring ldconfig"
1103 SHFLAGS=-nostart
1104 # enable BeOS things
1105 audio_beos="yes"
1106 # no need for libm, but the inet stuff
1107 # Check for BONE
1108 # XXX: actually should check for NOT net_server
1109 if (echo $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
1110 osextralibs="-lbind -lsocket"
1111 else
1112 beos_netserver="yes"
1113 osextralibs="-lnet"
1114 fi ;;
1115 sunos)
1116 FFSERVERLDFLAGS=""
1117 SHFLAGS="-shared -Wl,-h,\$@"
1118 add_extralibs "-lsocket -lnsl"
1119 ;;
1120 netbsd)
1121 add_extralibs "-lossaudio"
1122 ;;
1123 openbsd)
1124 need_memalign="no"
1125 LIBOBJFLAGS="\$(PIC)"
1126 LDCONFIG="ldconfig -m \$(SHLIBDIR)"
1127 SHFLAGS='-shared'
1128 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF).$(LIBVERSION)'
1129 SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1130 SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1131 add_extralibs "-lossaudio"
1132 ;;
1133 freebsd)
1134 need_memalign="no"
1135 add_cflags "-pthread"
1136 ;;
1137 gnu/kfreebsd)
1138 add_cflags "-pthread"
1139 ;;
1140 bsd/os)
1141 osextralibs="-lpoll -lgnugetopt -lm"
1142 strip="strip -d"
1143 ;;
1144 darwin)
1145 need_memalign="no"
1146 SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(SHLIBDIR)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
1147 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$@'
1148 osextralibs=""
1149 strip="strip -x"
1150 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1151 SLIBSUF=".dylib"
1152 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
1153 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
1154 FFSERVERLDFLAGS=-Wl,-bind_at_load
1155 ;;
1156 mingw32*)
1157 targetos=mingw32
1158 shlibdir="$bindir"
1159 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1160 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1161 if enabled swscaler; then
1162 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1163 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1164 fi
1165 ffserver="no"
1166 SLIBPREF=""
1167 SLIBSUF=".dll"
1168 EXESUF=".exe"
1169 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1170 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1171 SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
1172 SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(SHLIBDIR)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
1173 SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base"
1174 ;;
1175 cygwin*)
1176 targetos=cygwin
1177 shlibdir="$bindir"
1178 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1179 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1180 if enabled swscaler; then
1181 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1182 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1183 fi
1184 osextralibs=""
1185 EXESUF=".exe"
1186 SLIBPREF="cyg"
1187 SLIBSUF=".dll"
1188 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1189 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
1190 SHFLAGS='-shared -Wl,--out-implib=lib$(NAME).dll.a -Wl,--enable-auto-image-base'
1191 ;;
1192 linux)
1193 LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
1194 dv1394="yes"
1195 ;;
1196 irix*)
1197 targetos=irix
1198 ranlib="echo ignoring ranlib"
1199 ;;
1200 *)
1201 targetos="${targetos}-UNKNOWN"
1202 ;;
1203 esac
1204
1205 add_extralibs $osextralibs
1206
1207 if ! disabled logging ; then
1208 enabled logging || logfile="$logging"
1209 echo "# $0 $@" >$logfile
1210 set >>$logfile
1211 else
1212 logfile=/dev/null
1213 fi
1214
1215 # Combine FFLDFLAGS and the LDFLAGS environment variable.
1216 LDFLAGS="$FFLDFLAGS $LDFLAGS"
1217
1218 test -n "$cross_prefix" && cross_compile=yes
1219 cc="${cross_prefix}${cc}"
1220 ar="${cross_prefix}${ar}"
1221 ranlib="${cross_prefix}${ranlib}"
1222 strip="${cross_prefix}${strip}"
1223 ln_s="${cross_prefix}${ln_s}"
1224
1225 # we need to build at least one lib type
1226 if ! enabled_any static shared; then
1227 cat <<EOF
1228 At least one library type must be built.
1229 Specify --enable-static to build the static libraries or --enable-shared to
1230 build the shared libraries as well. To only build the shared libraries specify
1231 --disable-static in addition to --enable-shared.
1232 EOF
1233 exit 1;
1234 fi
1235
1236 if disabled static; then
1237 LIB=""
1238 fi
1239
1240 if ! enabled libogg; then
1241 enabled libtheora && die "libogg must be enabled to enable libtheora."
1242 enabled libvorbis && die "libogg must be enabled to enable libvorbis."
1243 fi
1244
1245 if enabled_any libfaad libfaadbin ; then
1246 if check_header faad.h; then
1247 check_cc << EOF
1248 #include <faad.h>
1249 #ifndef FAAD2_VERSION
1250 ok faad1
1251 #endif
1252 int main( void ) { return 0; }
1253 EOF
1254 test $? = 0 && enable libfaad2
1255 else
1256 die "FAAD test failed."
1257 fi
1258 fi
1259
1260
1261 if ! enabled gpl; then
1262 die_gpl_disabled(){
1263 name=$1
1264 shift
1265 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1266 }
1267 die_gpl_disabled "The Postprocessing code" pp
1268 die_gpl_disabled "liba52" liba52
1269 die_gpl_disabled "libx264" libx264
1270 die_gpl_disabled "libxvidcore" libxvid
1271 die_gpl_disabled "FAAD2" libfaad2
1272 die_gpl_disabled "The X11 grabber" x11grab
1273 die_gpl_disabled "The software scaler" swscaler
1274 fi
1275
1276 check_deps $ARCH_EXT_LIST
1277
1278 test -z "$need_memalign" && need_memalign="$mmx"
1279
1280 #Darwin CC versions
1281 if test $targetos = darwin; then
1282 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1283 add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1284 else
1285 add_cflags "-no-cpp-precomp -pipe"
1286 check_cflags "-force_cpusubtype_ALL"
1287 check_cflags "-Wno-sign-compare"
1288 disabled shared && add_cflags -mdynamic-no-pic
1289 fi
1290 fi
1291
1292 disabled optimize || add_cflags -fomit-frame-pointer
1293
1294 # Add processor-specific flags
1295 if test $cpu != "generic"; then
1296 warn_altivec(){
1297 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1298 }
1299 case $cpu in
1300 601|ppc601|PowerPC601)
1301 add_cflags "-mcpu=601"
1302 warn_altivec enabled PPC601
1303 ;;
1304 603*|ppc603*|PowerPC603*)
1305 add_cflags "-mcpu=603"
1306 warn_altivec enabled PPC603
1307 ;;
1308 604*|ppc604*|PowerPC604*)
1309 add_cflags "-mcpu=604"
1310 warn_altivec enabled PPC604
1311 ;;
1312 G3|g3|75*|ppc75*|PowerPC75*)
1313 add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1314 warn_altivec enabled PPC75x
1315 ;;
1316 G4|g4|745*|ppc745*|PowerPC745*)
1317 add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1318 warn_altivec disabled PPC745x
1319 ;;
1320 74*|ppc74*|PowerPC74*)
1321 add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1322 warn_altivec disabled PPC74xx
1323 ;;
1324 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1325 add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1326 warn_altivec disabled PPC970
1327 enable ppc64
1328 ;;
1329 Cell|CELL|cell)
1330 add_cflags "-mcpu=cell"
1331 warn_altivec disabled Cell
1332 enable ppc64
1333 ;;
1334 # targets that do NOT support conditional mov (cmov)
1335 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1336 add_cflags "-march=$cpu"
1337 cmov="no"
1338 ;;
1339 # targets that do support conditional mov (cmov)
1340 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1341 add_cflags "-march=$cpu"
1342 cmov="yes"
1343 fast_cmov="yes"
1344 ;;
1345 # targets that do support conditional mov but on which it's slow
1346 pentium4|prescott|nocona)
1347 add_cflags "-march=$cpu"
1348 cmov="yes"
1349 fast_cmov="no"
1350 ;;
1351 sparc64)
1352 add_cflags "-mcpu=v9"
1353 ;;
1354 bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
1355 add_cflags "-mfdpic"
1356 add_ldflags "-mfdpic"
1357 ;;
1358 *)
1359 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1360 ;;
1361 esac
1362 fi
1363
1364 gnu_make(){
1365 $1 --version 2>&1 | grep -q GNU
1366 }
1367
1368 if ! gnu_make $make; then
1369 gnu_make gmake && make=gmake || die "GNU make not found."
1370 fi
1371
1372 # make sure we can execute files in $TMPDIR
1373 cat >$TMPE 2>>$logfile <<EOF
1374 #! /bin/sh
1375 EOF
1376 chmod +x $TMPE >>$logfile 2>&1
1377 if ! $TMPE >>$logfile 2>&1; then
1378 cat <<EOF
1379 Unable to create and execute files in $TMPDIR1. Set the TMPDIR environment
1380 variable to another directory and make sure that $TMPDIR1 is not mounted
1381 noexec.
1382 EOF
1383 die "Sanity test failed."
1384 fi
1385 rm $TMPE
1386
1387 # compiler sanity check
1388 check_exec <<EOF
1389 int main(){
1390 return 0;
1391 }
1392 EOF
1393 if test "$?" != 0; then
1394 echo "$cc is unable to create an executable file."
1395 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1396 echo "If $cc is a cross-compiler, use the --cross-compile option."
1397 echo "Only do this if you know what cross compiling means."
1398 fi
1399 die "C compiler test failed."
1400 fi
1401
1402 if enabled x86; then
1403 # check whether EBP is available on x86
1404 # As 'i' is stored on the stack, this program will crash
1405 # if the base pointer is used to access it because the
1406 # base pointer is cleared in the inline assembly code.
1407 check_exec_crash <<EOF && enable ebp_available
1408 volatile int i=0;
1409 asm volatile (
1410 "xorl %%ebp, %%ebp"
1411 ::: "%ebp");
1412 return i;
1413 EOF
1414
1415 # check wether EBX is available on x86
1416 check_cc <<EOF && enable ebx_available
1417 int main(){
1418 asm volatile ("":::"%ebx");
1419 }
1420 EOF
1421
1422 # check whether binutils is new enough to compile SSSE3
1423 enabled ssse3 && check_cc <<EOF || disable ssse3
1424 int main(){
1425 asm volatile ("pabsw %xmm0, %xmm0");
1426 }
1427 EOF
1428 fi
1429
1430 # check for assembler specific support
1431
1432 if test $arch = "powerpc"; then
1433 check_cc <<EOF && dcbzl=yes
1434 int main(void) {
1435 register long zero = 0;
1436 char data[1024];
1437 asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1438 return 0;
1439 }
1440 EOF
1441 fi
1442
1443 # check for SIMD availability
1444
1445 # AltiVec flags: The FSF version of GCC differs from the Apple version
1446 if enabled altivec; then
1447 if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
1448 add_cflags "-faltivec"
1449 else
1450 add_cflags "-maltivec -mabi=altivec"
1451 fi
1452
1453 check_header altivec.h
1454
1455 # check if our compiler supports Motorola AltiVec C API
1456 if enabled altivec_h; then
1457 inc_altivec_h="#include <altivec.h>"
1458 else
1459 inc_altivec_h=
1460 fi
1461 check_cc <<EOF || altivec=no
1462 $inc_altivec_h
1463 int main(void) {
1464 vector signed int v1, v2, v3;
1465 v1 = vec_add(v2,v3);
1466 return 0;
1467 }
1468 EOF
1469 fi
1470
1471 # check armv5te instructions support
1472 enabled armv5te && check_cc <<EOF || disable armv5te
1473 int main(void) {
1474 __asm__ __volatile__ ("qadd r0, r0, r0");
1475 }
1476 EOF
1477
1478 enabled armv6 && check_cc <<EOF || disable armv6
1479 int main(void) {
1480 __asm__ __volatile__ ("sadd16 r0, r0, r0");
1481 }
1482 EOF
1483
1484 # check iwmmxt support
1485 enabled iwmmxt && check_cc <<EOF || disable iwmmxt
1486 int main(void) {
1487 __asm__ __volatile__ ("wunpckelub wr6, wr4");
1488 }
1489 EOF
1490
1491 # check if our compiler supports mmi
1492 enabled mmi && check_cc <<EOF || mmi="no"
1493 int main(void) {
1494 __asm__ ("lq \$2, 0(\$2)");
1495 return 0;
1496 }
1497 EOF
1498
1499 # ---
1500 # big/little-endian test
1501 check_cc <<EOF || die "endian test failed"
1502 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1503 EOF
1504 grep -q BIGE $TMPO && enable bigendian
1505
1506 # ---
1507 # check availability of some header files
1508
1509 check_header malloc.h
1510 check_func memalign
1511
1512 if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1513 die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1514 fi
1515
1516 check_header byteswap.h
1517
1518 check_func mkstemp
1519 check_func gethrtime
1520
1521 check_header termios.h
1522 check_header conio.h
1523
1524 check_func inet_aton
1525 enabled zlib && check_lib zlib.h zlibVersion -lz || zlib="no"
1526
1527 # ffserver uses poll(),
1528 # if it's not found we can emulate it using select().
1529 if enabled ffserver; then
1530 check_header sys/poll.h
1531 fi
1532
1533 # check for some common methods of building with pthread support
1534 # do this before the optional library checks as some of them require pthreads
1535 if enabled pthreads; then
1536 if check_func pthread_create; then
1537 :
1538 elif check_func pthread_create -pthread; then
1539 add_cflags -pthread
1540 add_ldflags -pthread
1541 elif check_func pthread_create -pthreads; then
1542 add_cflags -pthreads
1543 add_ldflags -pthreads
1544 elif ! check_lib pthread.h pthread_create -lpthread; then
1545 die "ERROR: can't find pthreads library"
1546 fi
1547 fi
1548
1549 for thread in $THREADS_LIST; do
1550 if enabled $thread; then
1551 if test -n "$thread_type"; then
1552 die "ERROR: Only one thread type must be selected."
1553 else
1554 thread_type="$thread"
1555 fi
1556 fi
1557 done
1558
1559 # test for lrintf in math.h
1560 check_exec <<EOF && lrintf=yes || lrintf=no
1561 #define _ISOC9X_SOURCE 1
1562 #include <math.h>
1563 int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
1564 EOF
1565
1566 enabled_any libamr_nb libamr_wb && enable libamr
1567
1568 # these are off by default, so fail if requested and not available
1569 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1570 enabled liba52 && require liba52 a52dec/a52.h a52_init -la52
1571 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1572 enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1573 enabled libdc1394 && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
1574 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1575 enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
1576 enabled libgsm && require libgsm gsm.h gsm_create -lgsm
1577 enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm
1578 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
1579 enabled libogg && require libogg ogg/ogg.h ogg_sync_init -logg
1580 enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1581 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbis -lvorbisenc -logg
1582 enabled libx264 && require x264 x264.h x264_encoder_open -lx264
1583 enabled libxvid && require Xvid xvid.h xvid_global -lxvidcore
1584 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1585
1586 # disable the native AC-3 decoder if liba52 is enabled
1587 enabled liba52 && disable ac3_decoder
1588
1589 _restrict=
1590 for restrict_keyword in restrict __restrict__ __restrict; do
1591 check_cc <<EOF && _restrict=$restrict_keyword && break
1592 void foo(char * $restrict_keyword p);
1593 EOF
1594 done
1595
1596 # dlopen/dlfcn.h probing
1597
1598 check_header dlfcn.h
1599
1600 if check_func dlopen; then
1601 ldl=
1602 elif check_func dlopen -ldl; then
1603 ldl=-ldl
1604 fi
1605
1606 check_func getrusage
1607 check_func2 windows.h GetProcessTimes
1608
1609 check_func fork
1610
1611 test "$vhook" = "default" && vhook="$dlopen"
1612
1613 enabled_any vhook liba52bin libfaadbin ffserver && add_extralibs $ldl
1614
1615 if test "$targetos" = cygwin -o "$targetos" = mingw32 && enabled_all static vhook ; then
1616 vhook="no"
1617 echo
1618 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1619 echo "Patches welcome."
1620 echo
1621 fi
1622
1623 if enabled vhook; then
1624 check_ldflags -rdynamic
1625 check_ldflags -export-dynamic
1626 fi
1627
1628 enabled audio_beos && add_extralibs "-lmedia -lbe"
1629
1630 check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1631 check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1632
1633 ##########################################
1634 # SDL check
1635
1636 sdl_too_old=no
1637 sdl=no
1638 SDL_CONFIG="${cross_prefix}sdl-config"
1639 if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
1640 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1641 temp_cflags $sdl_cflags
1642 temp_extralibs `"${SDL_CONFIG}" --libs`
1643 if check_lib SDL.h SDL_Init; then
1644 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1645 if test "$_sdlversion" -lt 121 ; then
1646 sdl_too_old=yes
1647 else
1648 sdl=yes
1649 check_cc $sdl_cflags <<EOF && enable sdl_video_size
1650 #include <SDL.h>
1651 int main(void){
1652 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1653 int w = vi->current_w;
1654 return 0;
1655 }
1656 EOF
1657 fi
1658 fi
1659 restore_flags
1660 fi
1661
1662 texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
1663
1664 ##########################################
1665 # Network check
1666
1667 if enabled network; then
1668 # Prefer arpa/inet.h over winsock2
1669 if check_header arpa/inet.h ; then
1670 check_func closesocket
1671 elif check_header winsock2.h ; then
1672 add_extralibs -lws2_32
1673 check_func2 winsock2.h closesocket
1674 fi
1675 fi
1676
1677 ##########################################
1678 # IPv6 check
1679
1680 enabled network && enabled ipv6 && check_ld <<EOF && ipv6=yes || ipv6=no
1681 #include <sys/types.h>
1682 #include <sys/socket.h>
1683 #include <netinet/in.h>
1684 #include <netdb.h>
1685 int main( void ) {
1686 struct sockaddr_storage saddr;
1687 struct ipv6_mreq mreq6;
1688 getaddrinfo(0,0,0,0);
1689 getnameinfo(0,0,0,0,0,0,0);
1690 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1691 }
1692 EOF
1693
1694 check_header linux/videodev.h
1695 check_header linux/videodev2.h
1696
1697 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1698 if enabled bktr; then
1699 { check_header dev/bktr/ioctl_meteor.h &&
1700 check_header dev/bktr/ioctl_bt848.h; } ||
1701 { check_header machine/ioctl_meteor.h &&
1702 check_header machine/ioctl_bt848.h; } ||
1703 { check_header dev/video/meteor/ioctl_meteor.h &&
1704 check_header dev/video/bktr/ioctl_bt848.h; } ||
1705 check_header dev/ic/bt8xx.h ||
1706 disable bktr
1707 fi
1708
1709 check_header sys/soundcard.h
1710 check_header soundcard.h
1711
1712 # Deal with the x11 frame grabber
1713 enabled x11grab &&
1714 enabled gpl &&
1715 enabled x11_grab_device_demuxer &&
1716 check_header X11/Xlib.h &&
1717 check_header X11/extensions/XShm.h &&
1718 check_func XOpenDisplay -lX11 &&
1719 check_func XShmCreateImage -lX11 -lXext &&
1720 add_extralibs -lX11 -lXext ||
1721 disable x11_grab_device_demuxer
1722
1723 enabled debug && add_cflags -g
1724
1725 # add some useful compiler flags if supported
1726 check_cflags -Wdeclaration-after-statement
1727 check_cflags -Wall
1728 check_cflags -Wno-switch
1729 check_cflags -Wdisabled-optimization
1730 check_cflags -Wpointer-arith
1731 check_cflags -Wredundant-decls
1732 check_cflags -Wno-pointer-sign
1733 enabled extra_warnings && check_cflags -Winline
1734
1735 # add some linker flags
1736 check_ldflags -Wl,--warn-common
1737 check_ldflags $LDLATEFLAGS
1738
1739 if enabled small; then
1740 check_cflags -Os # not all compilers support -Os
1741 optimize="small"
1742 elif enabled optimize; then
1743 if test -n "`$cc -v 2>&1 | grep xlc`"; then
1744 add_cflags "-O5"
1745 add_ldflags "-O5"
1746 else
1747 add_cflags "-O3"
1748 fi
1749 fi
1750
1751 # PIC flags for shared library objects where they are needed
1752 if enabled shared; then
1753 # LIBOBJFLAGS may have already been set in the OS configuration
1754 if test -z "$LIBOBJFLAGS" ; then
1755 case "$arch" in
1756 x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS="\$(PIC)" ;;
1757 esac
1758 fi
1759 fi
1760
1761 if enabled gprof; then
1762 add_cflags "-p"
1763 add_ldflags "-p"
1764 fi
1765
1766 VHOOKCFLAGS="-fPIC"
1767
1768 # find if .align arg is power-of-two or not
1769 if test $asmalign_pot = "unknown"; then
1770 asmalign_pot="no"
1771 echo 'asm (".align 3");' | check_cc && asmalign_pot="yes"
1772 fi
1773
1774 enabled_any $ENCODER_LIST && enable encoders
1775 enabled_any $DECODER_LIST && enable decoders
1776 enabled_any $MUXER_LIST && enable muxers
1777 enabled_any $DEMUXER_LIST && enable demuxers
1778 enabled_any $PROTOCOL_LIST && enable protocols
1779 enabled_any $BSF_LIST && enable bsfs
1780
1781 enabled_any $THREADS_LIST && enable threads
1782
1783 check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
1784 $BSF_LIST $DEMUXER_LIST $MUXER_LIST $PROTOCOL_LIST
1785
1786 enabled libdc1394 && append pkg_requires "libraw1394"
1787 enabled libogg && append pkg_requires "ogg >= 1.1"
1788 enabled libtheora && append pkg_requires "theora"
1789 enabled libvorbis && append pkg_requires "vorbis vorbisenc"
1790
1791 echo "install prefix $PREFIX"
1792 echo "source path $source_path"
1793 echo "C compiler $cc"
1794 echo "make $make"
1795 echo ".align is power-of-two $asmalign_pot"
1796 echo "ARCH $arch ($cpu)"
1797 if test "$BUILDSUF" != ""; then
1798 echo "build suffix $BUILDSUF"
1799 fi
1800 echo "big-endian ${bigendian-no}"
1801 if test $arch = "x86_32" -o $arch = "x86_64"; then
1802 echo "MMX enabled ${mmx-no}"
1803 echo "CMOV enabled ${cmov-no}"
1804 echo "CMOV is fast ${fast_cmov-no}"
1805 echo "EBX available ${ebx_available-no}"
1806 echo "EBP available ${ebp_available-no}"
1807 fi
1808 if test $arch = "armv4l"; then
1809 echo "ARMv5TE enabled ${armv5te-no}"
1810 echo "ARMv6 enabled ${armv6-no}"
1811 echo "IWMMXT enabled ${iwmmxt-no}"
1812 fi
1813 if test $arch = "mips"; then
1814 echo "MMI enabled ${mmi-no}"
1815 fi
1816 if test $arch = "powerpc"; then
1817 echo "AltiVec enabled ${altivec-no}"
1818 echo "dcbzl available ${dcbzl-no}"
1819 fi
1820 echo "gprof enabled ${gprof-no}"
1821 echo "debug symbols ${debug-no}"
1822 echo "strip symbols ${dostrip-no}"
1823 echo "optimize ${optimize-no}"
1824 echo "static ${static-no}"
1825 echo "shared ${shared-no}"
1826 echo "postprocessing support ${pp-no}"
1827 echo "software scaler enabled ${swscaler-no}"
1828 echo "video hooking ${vhook-no}"
1829 if enabled vhook; then
1830 echo "Imlib2 support ${imlib2-no}"
1831 echo "FreeType support ${freetype2-no}"
1832 fi
1833 echo "network support ${network-no}"
1834 if enabled network; then
1835 echo "IPv6 support ${ipv6-no}"
1836 fi
1837 echo "threading support ${thread_type-no}"
1838 echo "SDL support ${sdl-no}"
1839 if enabled sdl_too_old; then
1840 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
1841 fi
1842 echo "Sun medialib support ${mlib-no}"
1843 echo "AVISynth enabled ${avisynth-no}"
1844 echo "liba52 support ${liba52-no}"
1845 echo "liba52 dlopened ${liba52bin-no}"
1846 echo "libamr-nb support ${libamr_nb-no}"
1847 echo "libamr-wb support ${libamr_wb-no}"
1848 echo "libdc1394 support ${libdc1394-no}"
1849 echo "libfaac enabled ${libfaac-no}"
1850 echo "libfaad enabled ${libfaad-no}"
1851 echo "libfaad dlopened ${libfaadbin-no}"
1852 echo "libgsm enabled ${libgsm-no}"
1853 echo "libmp3lame enabled ${libmp3lame-no}"
1854 echo "libnut enabled ${libnut-no}"
1855 echo "libogg enabled ${libogg-no}"
1856 echo "libtheora enabled ${libtheora-no}"
1857 echo "libvorbis enabled ${libvorbis-no}"
1858 echo "x264 enabled ${libx264-no}"
1859 echo "XviD enabled ${libxvid-no}"
1860 echo "zlib enabled ${zlib-no}"
1861 if ! enabled gpl; then
1862 echo "License: LGPL"
1863 else
1864 echo "License: GPL"
1865 fi
1866
1867 echo "Creating config.mak and config.h..."
1868
1869 echo "# Automatically generated by configure - do not modify!" > config.mak
1870 echo "/* Automatically generated by configure - do not modify! */" > $TMPH
1871 echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
1872
1873 echo "PREFIX=$PREFIX" >> config.mak
1874 echo "prefix=\$(DESTDIR)\$(PREFIX)" >> config.mak
1875 echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
1876 echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
1877 echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
1878 echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
1879 echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
1880 echo "MAKE=$make" >> config.mak
1881 echo "CC=$cc" >> config.mak
1882 echo "AR=$ar" >> config.mak
1883 echo "RANLIB=$ranlib" >> config.mak
1884 echo "LN_S=$ln_s" >> config.mak
1885 if enabled dostrip; then
1886 echo "STRIP=$strip" >> config.mak
1887 else
1888 echo "STRIP=echo ignoring strip" >> config.mak
1889 fi
1890
1891 echo "OPTFLAGS=$CFLAGS" >> config.mak
1892 echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
1893 echo "LDFLAGS=$LDFLAGS" >> config.mak
1894 echo "LDCONFIG=$LDCONFIG" >> config.mak
1895 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
1896 echo "SHFLAGS=$SHFLAGS" >> config.mak
1897 echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
1898 echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
1899 echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
1900 echo "BUILD_STATIC=$static" >> config.mak
1901 echo "BUILDSUF=$BUILDSUF" >> config.mak
1902 echo "LIBPREF=$LIBPREF" >> config.mak
1903 echo "LIBSUF=\${BUILDSUF}$LIBSUF" >> config.mak
1904 echo "LIB=$LIB" >> config.mak
1905 echo "SLIBPREF=$SLIBPREF" >> config.mak
1906 echo "SLIBSUF=\${BUILDSUF}$SLIBSUF" >> config.mak
1907 echo "EXESUF=\${BUILDSUF}$EXESUF" >> config.mak
1908
1909 if enabled bigendian; then
1910 echo "WORDS_BIGENDIAN=yes" >> config.mak
1911 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
1912 fi
1913 if enabled mmx; then
1914 echo "#define __CPU__ 586" >> $TMPH
1915 fi
1916
1917 if enabled sdl; then
1918 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
1919 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
1920 fi
1921 if enabled texi2html; then
1922 echo "BUILD_DOC=yes" >> config.mak
1923 fi
1924
1925 sws_version=`grep '#define LIBSWSCALE_VERSION ' "$source_path/libswscale/swscale.h" | sed 's/[^0-9\.]//g'`
1926 pp_version=`grep '#define LIBPOSTPROC_VERSION ' "$source_path/libpostproc/postprocess.h" | sed 's/[^0-9\.]//g'`
1927 lavc_version=`grep '#define LIBAVCODEC_VERSION ' "$source_path/libavcodec/avcodec.h" | sed 's/[^0-9\.]//g'`
1928 lavf_version=`grep '#define LIBAVFORMAT_VERSION ' "$source_path/libavformat/avformat.h" | sed 's/[^0-9\.]//g'`
1929 lavu_version=`grep '#define LIBAVUTIL_VERSION ' "$source_path/libavutil/avutil.h" | sed 's/[^0-9\.]//g'`
1930
1931
1932
1933 if enabled shared; then
1934 echo "BUILD_SHARED=yes" >> config.mak
1935 echo "PIC=-fPIC -DPIC" >> config.mak
1936 echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
1937 echo "SPPVERSION=$pp_version" >> config.mak
1938 echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
1939 echo "LAVCVERSION=$lavc_version" >> config.mak
1940 echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
1941 echo "LAVFVERSION=$lavf_version" >> config.mak
1942 echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
1943 echo "LAVUVERSION=$lavu_version" >> config.mak
1944 echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
1945 echo "SWSVERSION=$sws_version" >> config.mak
1946 echo "SLIBNAME=${SLIBNAME}" >> config.mak
1947 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
1948 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
1949 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
1950 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
1951 fi
1952 echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
1953 echo "EXTRALIBS=$extralibs" >> config.mak
1954
1955 print_config ARCH_ $TMPH config.mak $ARCH_LIST
1956 print_config HAVE_ $TMPH config.mak $HAVE_LIST
1957 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
1958 $DECODER_LIST \
1959 $ENCODER_LIST \
1960 $PARSER_LIST \
1961 $BSF_LIST \
1962 $DEMUXER_LIST \
1963 $MUXER_LIST \
1964 $PROTOCOL_LIST \
1965
1966 echo "#define restrict $_restrict" >> $TMPH
1967
1968 if enabled small; then
1969 echo "#define av_always_inline" >> $TMPH
1970 fi
1971
1972 echo "SRC_PATH=\"$source_path\"" >> config.mak
1973 echo "SRC_PATH_BARE=$source_path" >> config.mak
1974 echo "BUILD_ROOT=\"$PWD\"" >> config.mak
1975
1976 # Apparently it's not possible to portably echo a backslash.
1977 if enabled asmalign_pot; then
1978 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH
1979 else
1980 printf '#define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\\n\\t"\n' >> $TMPH
1981 fi
1982
1983
1984 # Do not overwrite config.h if unchanged to avoid superfluous rebuilds.
1985 if ! cmp -s $TMPH config.h; then
1986 mv -f $TMPH config.h
1987 else
1988 echo "config.h is unchanged"
1989 fi
1990
1991 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
1992
1993 # build tree in object directory if source path is different from current one
1994 if enabled source_path_used; then
1995 DIRS="\
1996 doc \
1997 libavcodec \
1998 libavcodec/alpha \
1999 libavcodec/armv4l \
2000 libavcodec/bfin \
2001 libavcodec/i386 \
2002 libavcodec/mlib \
2003 libavcodec/ppc \
2004 libavcodec/sh4 \
2005 libavcodec/sparc \
2006 libavformat \
2007 libavutil \
2008 libpostproc \
2009 libswscale \
2010 tests \
2011 tools \
2012 vhook \
2013 "
2014 FILES="\
2015 Makefile \
2016 common.mak \
2017 doc/texi2pod.pl \
2018 libavcodec/Makefile \
2019 libavformat/Makefile \
2020 libavutil/Makefile \
2021 libpostproc/Makefile \
2022 libswscale/Makefile \
2023 "
2024 for dir in $DIRS ; do
2025 mkdir -p $dir
2026 done
2027 for f in $FILES ; do
2028 $ln_s "$source_path/$f" $f
2029 done
2030 fi
2031
2032
2033 # build pkg-config files
2034 # FIXME: libdir and includedir are hardcoded and may differ from the real path.
2035
2036 pkgconfig_generate(){
2037 name=$1
2038 comment=$2
2039 version=$3
2040 libs=$4
2041 requires=$5
2042 include=$6
2043 cat <<EOF >$name.pc
2044 prefix=$PREFIX
2045 exec_prefix=\${prefix}
2046 libdir=\${exec_prefix}/lib
2047 includedir=\${prefix}/include
2048
2049 Name: $name
2050 Description: $comment
2051 Version: $version
2052 Requires: $requires
2053 Conflicts:
2054 Libs: -L\${libdir} $libs
2055 Cflags: -I\${includedir} -I\${includedir}/$include
2056 EOF
2057 }
2058
2059 pkgconfig_generate_uninstalled(){
2060 name=$1
2061 shortname=${name#lib}
2062 comment=$2
2063 version=$3
2064 libs=$4
2065 requires=$5
2066 cat <<EOF >$name-uninstalled.pc
2067 prefix=
2068 exec_prefix=
2069 libdir=\${pcfiledir}/$name
2070 includedir=\${pcfiledir}/$name
2071
2072 Name: $name
2073 Description: $comment
2074 Version: $version
2075 Requires: $requires
2076 Conflicts:
2077 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2078 Cflags: -I\${includedir}
2079 EOF
2080 }
2081
2082 pkgconfig_generate libavutil "FFmpeg utility library" "$lavu_version" -lavutil "" ffmpeg
2083 pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$lavu_version"
2084
2085 pkgconfig_generate libavcodec "FFmpeg codec library" "$lavc_version" "-lavcodec $extralibs" "$pkg_requires libavutil = $lavu_version" ffmpeg
2086 pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$lavc_version" "$extralibs" "$pkg_requires libavutil = $lavu_version"
2087
2088 pkgconfig_generate libavformat "FFmpeg container format library" "$lavf_version" "-lavformat $extralibs" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2089 pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$lavf_version" "$extralibs" "$pkg_requires libavcodec = $lavc_version"
2090
2091 if enabled pp; then
2092 pkgconfig_generate libpostproc "FFmpeg post processing library" "$pp_version" -lpostproc "" postproc
2093 pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$pp_version"
2094 fi
2095
2096 if enabled swscaler; then
2097 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" -lswscale "libavutil = $lavu_version" ffmpeg
2098 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "libavutil = $lavu_version"
2099 else
2100 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version" ffmpeg
2101 pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$sws_version" "" "$pkg_requires libavcodec = $lavc_version"
2102 apply libswscale.pc sed s/^Libs:.*$/Libs:/
2103 apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
2104 fi