configure: reverse order of -l flags
[libav.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.log]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffprobe disable ffprobe build
86 --disable-ffserver disable ffserver build
87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
91 --enable-postproc enable GPLed postprocessing support [no]
92 --disable-avfilter disable video filter support [no]
93 --enable-avfilter-lavf video filters dependent on avformat [no]
94 --disable-pthreads disable pthreads [auto]
95 --enable-w32threads use Win32 threads [no]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
98 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101 --disable-fastdiv disable table-based division
102 --enable-small optimize for size instead of speed
103 --disable-aandct disable AAN DCT code
104 --disable-dct disable DCT code
105 --disable-fft disable FFT code
106 --disable-golomb disable Golomb code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --disable-vaapi disable VAAPI code
111 --disable-vdpau disable VDPAU code
112 --disable-dxva2 disable DXVA2 code
113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --enable-memalign-hack emulate memalign, interferes with memory debuggers
116 --disable-everything disable all components listed below
117 --disable-encoder=NAME disable encoder NAME
118 --enable-encoder=NAME enable encoder NAME
119 --disable-encoders disable all encoders
120 --disable-decoder=NAME disable decoder NAME
121 --enable-decoder=NAME enable decoder NAME
122 --disable-decoders disable all decoders
123 --disable-hwaccel=NAME disable hwaccel NAME
124 --enable-hwaccel=NAME enable hwaccel NAME
125 --disable-hwaccels disable all hwaccels
126 --disable-muxer=NAME disable muxer NAME
127 --enable-muxer=NAME enable muxer NAME
128 --disable-muxers disable all muxers
129 --disable-demuxer=NAME disable demuxer NAME
130 --enable-demuxer=NAME enable demuxer NAME
131 --disable-demuxers disable all demuxers
132 --enable-parser=NAME enable parser NAME
133 --disable-parser=NAME disable parser NAME
134 --disable-parsers disable all parsers
135 --enable-bsf=NAME enable bitstream filter NAME
136 --disable-bsf=NAME disable bitstream filter NAME
137 --disable-bsfs disable all bitstream filters
138 --enable-protocol=NAME enable protocol NAME
139 --disable-protocol=NAME disable protocol NAME
140 --disable-protocols disable all protocols
141 --disable-indev=NAME disable input device NAME
142 --disable-outdev=NAME disable output device NAME
143 --disable-indevs disable input devices
144 --disable-outdevs disable output devices
145 --disable-devices disable all devices
146 --enable-filter=NAME enable filter NAME
147 --disable-filter=NAME disable filter NAME
148 --disable-filters disable all filters
149 --list-decoders show all available decoders
150 --list-encoders show all available encoders
151 --list-hwaccels show all available hardware accelerators
152 --list-muxers show all available muxers
153 --list-demuxers show all available demuxers
154 --list-parsers show all available parsers
155 --list-protocols show all available protocols
156 --list-bsfs show all available bitstream filters
157 --list-indevs show all available input devices
158 --list-outdevs show all available output devices
159 --list-filters show all available filters
160
161 External library support:
162 --enable-avisynth enable reading of AVISynth script files [no]
163 --enable-bzlib enable bzlib [autodetect]
164 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
167 and libraw1394 [no]
168 --enable-libdirac enable Dirac support via libdirac [no]
169 --enable-libfaac enable FAAC support via libfaac [no]
170 --enable-libgsm enable GSM support via libgsm [no]
171 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
172 --enable-libnut enable NUT (de)muxing via libnut,
173 native (de)muxer exists [no]
174 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
175 --enable-librtmp enable RTMP[E] support via librtmp [no]
176 --enable-libschroedinger enable Dirac support via libschroedinger [no]
177 --enable-libspeex enable Speex decoding via libspeex [no]
178 --enable-libtheora enable Theora encoding via libtheora [no]
179 --enable-libvorbis enable Vorbis encoding via libvorbis,
180 native implementation exists [no]
181 --enable-libvpx enable VP8 support via libvpx [no]
182 --enable-libx264 enable H.264 encoding via x264 [no]
183 --enable-libxvid enable Xvid encoding via xvidcore,
184 native MPEG-4/Xvid encoder exists [no]
185 --enable-mlib enable Sun medialib [no]
186 --enable-zlib enable zlib [autodetect]
187
188 Advanced options (experts only):
189 --source-path=PATH path to source code [$source_path]
190 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
191 --enable-cross-compile assume a cross-compiler is used
192 --sysroot=PATH root of cross-build tree
193 --sysinclude=PATH location of cross-build system headers
194 --target-os=OS compiler targets OS [$target_os]
195 --target-exec=CMD command to run executables on target
196 --target-path=DIR path to view of build directory on target
197 --nm=NM use nm tool
198 --ar=AR use archive tool AR [$ar_default]
199 --as=AS use assembler AS [$as_default]
200 --cc=CC use C compiler CC [$cc_default]
201 --ld=LD use linker LD
202 --host-cc=HOSTCC use host C compiler HOSTCC
203 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
204 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
205 --host-libs=HLIBS use libs HLIBS when linking for host
206 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
207 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208 --extra-libs=ELIBS add ELIBS [$ELIBS]
209 --extra-version=STRING version string suffix []
210 --build-suffix=SUFFIX library name suffix []
211 --arch=ARCH select architecture [$arch]
212 --cpu=CPU select the minimum required CPU (affects
213 instruction selection, may crash on older CPUs)
214 --enable-powerpc-perf enable performance report on PPC
215 (requires enabling PMC)
216 --disable-asm disable all assembler optimizations
217 --disable-altivec disable AltiVec optimizations
218 --disable-amd3dnow disable 3DNow! optimizations
219 --disable-amd3dnowext disable 3DNow! extended optimizations
220 --disable-mmx disable MMX optimizations
221 --disable-mmx2 disable MMX2 optimizations
222 --disable-sse disable SSE optimizations
223 --disable-ssse3 disable SSSE3 optimizations
224 --disable-armv5te disable armv5te optimizations
225 --disable-armv6 disable armv6 optimizations
226 --disable-armv6t2 disable armv6t2 optimizations
227 --disable-armvfp disable ARM VFP optimizations
228 --disable-iwmmxt disable iwmmxt optimizations
229 --disable-mmi disable MMI optimizations
230 --disable-neon disable neon optimizations
231 --disable-vis disable VIS optimizations
232 --disable-yasm disable use of yasm assembler
233 --enable-pic build position-independent code
234 --malloc-prefix=PFX prefix malloc and related names with PFX
235 --enable-sram allow use of on-chip SRAM
236
237 Developer options (useful when working on FFmpeg itself):
238 --disable-debug disable debugging symbols
239 --enable-debug=LEVEL set the debug level [$debuglevel]
240 --enable-gprof enable profiling with gprof [$gprof]
241 --disable-optimizations disable compiler optimizations
242 --enable-extra-warnings enable more compiler warnings
243 --disable-stripping disable stripping of executables and shared libraries
244 --samples=PATH location of test samples for FATE
245
246 NOTE: Object files are built at the place where configure is launched.
247 EOF
248 exit 0
249 }
250
251 quotes='""'
252
253 log(){
254 echo "$@" >> $logfile
255 }
256
257 log_file(){
258 log BEGIN $1
259 pr -n -t $1 >> $logfile
260 log END $1
261 }
262
263 echolog(){
264 log "$@"
265 echo "$@"
266 }
267
268 warn(){
269 log "WARNING: $*"
270 WARNINGS="${WARNINGS}WARNING: $*\n"
271 }
272
273 die(){
274 echolog "$@"
275 cat <<EOF
276
277 If you think configure made a mistake, make sure you are using the latest
278 version from SVN. If the latest version fails, report the problem to the
279 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
280 EOF
281 if disabled logging; then
282 cat <<EOF
283 Rerun configure with logging enabled (do not use --disable-logging), and
284 include the log this produces with your report.
285 EOF
286 else
287 cat <<EOF
288 Include the log file "$logfile" produced by configure as this will help
289 solving the problem.
290 EOF
291 fi
292 exit 1
293 }
294
295 # Avoid locale weirdness, besides we really just want to translate ASCII.
296 toupper(){
297 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
298 }
299
300 tolower(){
301 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
302 }
303
304 c_escape(){
305 echo "$*" | sed 's/["\\]/\\\0/g'
306 }
307
308 sh_quote(){
309 v=$(echo "$1" | sed "s/'/'\\\\''/g")
310 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
311 echo "$v"
312 }
313
314 filter(){
315 pat=$1
316 shift
317 for v; do
318 eval "case $v in $pat) echo $v ;; esac"
319 done
320 }
321
322 map(){
323 m=$1
324 shift
325 for v; do eval $m; done
326 }
327
328 set_all(){
329 value=$1
330 shift
331 for var in $*; do
332 eval $var=$value
333 done
334 }
335
336 set_weak(){
337 value=$1
338 shift
339 for var; do
340 eval : \${$var:=$value}
341 done
342 }
343
344 pushvar(){
345 for var in $*; do
346 eval level=\${${var}_level:=0}
347 eval ${var}_${level}="\$$var"
348 eval ${var}_level=$(($level+1))
349 done
350 }
351
352 popvar(){
353 for var in $*; do
354 eval level=\${${var}_level:-0}
355 test $level = 0 && continue
356 eval level=$(($level-1))
357 eval $var="\${${var}_${level}}"
358 eval ${var}_level=$level
359 eval unset ${var}_${level}
360 done
361 }
362
363 enable(){
364 set_all yes $*
365 }
366
367 disable(){
368 set_all no $*
369 }
370
371 enable_weak(){
372 set_weak yes $*
373 }
374
375 disable_weak(){
376 set_weak no $*
377 }
378
379 enable_safe(){
380 for var; do
381 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
382 done
383 }
384
385 disable_safe(){
386 for var; do
387 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
388 done
389 }
390
391 do_enable_deep(){
392 for var; do
393 enabled $var && continue
394 eval sel="\$${var}_select"
395 eval sgs="\$${var}_suggest"
396 pushvar var sgs
397 enable_deep $sel
398 popvar sgs
399 enable_deep_weak $sgs
400 popvar var
401 done
402 }
403
404 enable_deep(){
405 do_enable_deep $*
406 enable $*
407 }
408
409 enable_deep_weak(){
410 do_enable_deep $*
411 enable_weak $*
412 }
413
414 enabled(){
415 test "${1#!}" = "$1" && op== || op=!=
416 eval test "x\$${1#!}" $op "xyes"
417 }
418
419 disabled(){
420 test "${1#!}" = "$1" && op== || op=!=
421 eval test "x\$${1#!}" $op "xno"
422 }
423
424 enabled_all(){
425 for opt; do
426 enabled $opt || return 1
427 done
428 }
429
430 disabled_all(){
431 for opt; do
432 disabled $opt || return 1
433 done
434 }
435
436 enabled_any(){
437 for opt; do
438 enabled $opt && return 0
439 done
440 }
441
442 disabled_any(){
443 for opt; do
444 disabled $opt && return 0
445 done
446 return 1
447 }
448
449 set_default(){
450 for opt; do
451 eval : \${$opt:=\$${opt}_default}
452 done
453 }
454
455 is_in(){
456 value=$1
457 shift
458 for var in $*; do
459 [ $var = $value ] && return 0
460 done
461 return 1
462 }
463
464 check_deps(){
465 for cfg; do
466 cfg="${cfg#!}"
467 enabled ${cfg}_checking && die "Circular dependency for $cfg."
468 disabled ${cfg}_checking && continue
469 enable ${cfg}_checking
470
471 eval dep_all="\$${cfg}_deps"
472 eval dep_any="\$${cfg}_deps_any"
473 eval dep_sel="\$${cfg}_select"
474 eval dep_sgs="\$${cfg}_suggest"
475 eval dep_ifa="\$${cfg}_if"
476 eval dep_ifn="\$${cfg}_if_any"
477
478 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
479 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
480 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
481
482 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
483 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
484 enabled_all $dep_all || disable $cfg
485 enabled_any $dep_any || disable $cfg
486 disabled_any $dep_sel && disable $cfg
487
488 if enabled $cfg; then
489 eval dep_extralibs="\$${cfg}_extralibs"
490 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
491 enable_deep $dep_sel
492 enable_deep_weak $dep_sgs
493 fi
494
495 disable ${cfg}_checking
496 done
497 }
498
499 print_config(){
500 pfx=$1
501 header=$2
502 makefile=$3
503 shift 3
504 for cfg; do
505 ucname="$(toupper $cfg)"
506 if enabled $cfg; then
507 echo "#define ${pfx}${ucname} 1" >> $header
508 echo "${pfx}${ucname}=yes" >> $makefile
509 else
510 echo "#define ${pfx}${ucname} 0" >> $header
511 echo "!${pfx}${ucname}=yes" >> $makefile
512 fi
513 done
514 }
515
516 append(){
517 var=$1
518 shift
519 eval "$var=\"\$$var $*\""
520 }
521
522 prepend(){
523 var=$1
524 shift
525 eval "$var=\"$* \$$var\""
526 }
527
528 add_cppflags(){
529 append CPPFLAGS $($filter_cppflags "$@")
530 }
531
532 add_cflags(){
533 append CFLAGS $($filter_cflags "$@")
534 }
535
536 add_asflags(){
537 append ASFLAGS $($filter_asflags "$@")
538 }
539
540 add_ldflags(){
541 append LDFLAGS "$@"
542 }
543
544 add_extralibs(){
545 prepend extralibs "$@"
546 }
547
548 check_cmd(){
549 log "$@"
550 "$@" >> $logfile 2>&1
551 }
552
553 check_cc(){
554 log check_cc "$@"
555 cat > $TMPC
556 log_file $TMPC
557 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
558 }
559
560 check_cpp(){
561 log check_cpp "$@"
562 cat > $TMPC
563 log_file $TMPC
564 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
565 }
566
567 check_as(){
568 log check_as "$@"
569 cat > $TMPC
570 log_file $TMPC
571 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
572 }
573
574 check_asm(){
575 log check_asm "$@"
576 name="$1"
577 code="$2"
578 shift 2
579 disable $name
580 check_as "$@" <<EOF && enable $name
581 void foo(void){ __asm__ volatile($code); }
582 EOF
583 }
584
585 check_yasm(){
586 log check_yasm "$@"
587 echo "$1" > $TMPS
588 log_file $TMPS
589 shift 1
590 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
591 }
592
593 check_ld(){
594 log check_ld "$@"
595 flags=''
596 libs=''
597 for f; do
598 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
599 done
600 check_cc $($filter_cflags $flags) || return
601 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
602 }
603
604 check_cppflags(){
605 log check_cppflags "$@"
606 set -- $($filter_cppflags "$@")
607 check_cc "$@" <<EOF && append CPPFLAGS "$@"
608 int x;
609 EOF
610 }
611
612 check_cflags(){
613 log check_cflags "$@"
614 set -- $($filter_cflags "$@")
615 check_cc "$@" <<EOF && append CFLAGS "$@"
616 int x;
617 EOF
618 }
619
620 test_ldflags(){
621 log test_ldflags "$@"
622 check_ld "$@" <<EOF
623 int main(void){ return 0; }
624 EOF
625 }
626
627 check_ldflags(){
628 log check_ldflags "$@"
629 test_ldflags "$@" && add_ldflags "$@"
630 }
631
632 check_header(){
633 log check_header "$@"
634 header=$1
635 shift
636 disable_safe $header
637 check_cpp "$@" <<EOF && enable_safe $header
638 #include <$header>
639 int x;
640 EOF
641 }
642
643 check_func(){
644 log check_func "$@"
645 func=$1
646 shift
647 disable $func
648 check_ld "$@" <<EOF && enable $func
649 extern int $func();
650 int main(void){ $func(); }
651 EOF
652 }
653
654 check_mathfunc(){
655 log check_mathfunc "$@"
656 func=$1
657 shift
658 disable $func
659 check_ld "$@" <<EOF && enable $func
660 #include <math.h>
661 float foo(float f) { return $func(f); }
662 int main(void){ return 0; }
663 EOF
664 }
665
666 check_func_headers(){
667 log check_func_headers "$@"
668 headers=$1
669 func=$2
670 shift 2
671 disable $func
672 incs=""
673 for hdr in $headers; do
674 incs="$incs
675 #include <$hdr>"
676 done
677 check_ld "$@" <<EOF && enable $func && enable_safe $headers
678 $incs
679 int main(int argc, char **argv){
680 return (long) $func;
681 }
682 EOF
683 }
684
685 check_cpp_condition(){
686 log check_cpp_condition "$@"
687 header=$1
688 condition=$2
689 shift 2
690 check_cpp $($filter_cppflags "$@") <<EOF
691 #include <$header>
692 #if !($condition)
693 #error "unsatisfied condition: $condition"
694 #endif
695 EOF
696 }
697
698 check_lib(){
699 log check_lib "$@"
700 header="$1"
701 func="$2"
702 shift 2
703 check_header $header && check_func $func "$@" && add_extralibs "$@"
704 }
705
706 check_lib2(){
707 log check_lib2 "$@"
708 headers="$1"
709 func="$2"
710 shift 2
711 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
712 }
713
714 check_exec(){
715 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
716 }
717
718 check_exec_crash(){
719 code=$(cat)
720
721 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
722 # are safe but may not be available everywhere. Thus we use
723 # raise(SIGTERM) instead. The check is run in a subshell so we
724 # can redirect the "Terminated" message from the shell. SIGBUS
725 # is not defined by standard C so it is used conditionally.
726
727 (check_exec "$@") >> $logfile 2>&1 <<EOF
728 #include <signal.h>
729 static void sighandler(int sig){
730 raise(SIGTERM);
731 }
732 int main(void){
733 signal(SIGILL, sighandler);
734 signal(SIGFPE, sighandler);
735 signal(SIGSEGV, sighandler);
736 #ifdef SIGBUS
737 signal(SIGBUS, sighandler);
738 #endif
739 { $code }
740 }
741 EOF
742 }
743
744 check_type(){
745 log check_type "$@"
746 headers=$1
747 type=$2
748 shift 2
749 disable_safe "$type"
750 incs=""
751 for hdr in $headers; do
752 incs="$incs
753 #include <$hdr>"
754 done
755 check_cc "$@" <<EOF && enable_safe "$type"
756 $incs
757 $type v;
758 EOF
759 }
760
761 check_struct(){
762 log check_type "$@"
763 headers=$1
764 struct=$2
765 member=$3
766 shift 3
767 disable_safe "${struct}_${member}"
768 incs=""
769 for hdr in $headers; do
770 incs="$incs
771 #include <$hdr>"
772 done
773 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
774 $incs
775 const void *p = &(($struct *)0)->$member;
776 EOF
777 }
778
779 require(){
780 name="$1"
781 header="$2"
782 func="$3"
783 shift 3
784 check_lib $header $func "$@" || die "ERROR: $name not found"
785 }
786
787 require2(){
788 name="$1"
789 headers="$2"
790 func="$3"
791 shift 3
792 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
793 }
794
795 check_host_cc(){
796 log check_host_cc "$@"
797 cat > $TMPC
798 log_file $TMPC
799 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
800 }
801
802 check_host_cflags(){
803 log check_host_cflags "$@"
804 check_host_cc "$@" <<EOF && append host_cflags "$@"
805 int x;
806 EOF
807 }
808
809 apply(){
810 file=$1
811 shift
812 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
813 }
814
815 cp_if_changed(){
816 cmp -s "$1" "$2" &&
817 echo "$2 is unchanged" ||
818 cp -f "$1" "$2"
819 }
820
821 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
822 # system-dependent things.
823
824 COMPONENT_LIST="
825 bsfs
826 decoders
827 demuxers
828 encoders
829 filters
830 hwaccels
831 indevs
832 muxers
833 outdevs
834 parsers
835 protocols
836 "
837
838 CONFIG_LIST="
839 $COMPONENT_LIST
840 aandct
841 avcodec
842 avdevice
843 avfilter
844 avfilter_lavf
845 avformat
846 avisynth
847 bzlib
848 dct
849 doc
850 dwt
851 dxva2
852 fastdiv
853 ffmpeg
854 ffplay
855 ffprobe
856 ffserver
857 fft
858 golomb
859 gpl
860 gprof
861 gray
862 h264dsp
863 hardcoded_tables
864 libdc1394
865 libdirac
866 libfaac
867 libgsm
868 libmp3lame
869 libnut
870 libopencore_amrnb
871 libopencore_amrwb
872 libopenjpeg
873 librtmp
874 libschroedinger
875 libspeex
876 libtheora
877 libvorbis
878 libvpx
879 libx264
880 libxvid
881 lpc
882 lsp
883 mdct
884 memalign_hack
885 mlib
886 mpegaudio_hp
887 network
888 nonfree
889 pic
890 postproc
891 powerpc_perf
892 rdft
893 runtime_cpudetect
894 shared
895 small
896 sram
897 static
898 swscale
899 swscale_alpha
900 vaapi
901 vdpau
902 version3
903 x11grab
904 zlib
905 "
906
907 THREADS_LIST='
908 pthreads
909 w32threads
910 '
911
912 ARCH_LIST='
913 alpha
914 arm
915 avr32
916 avr32_ap
917 avr32_uc
918 bfin
919 ia64
920 m68k
921 mips
922 mips64
923 parisc
924 ppc
925 ppc64
926 s390
927 sh4
928 sparc
929 sparc64
930 tomi
931 x86
932 x86_32
933 x86_64
934 '
935
936 ARCH_EXT_LIST='
937 altivec
938 amd3dnow
939 amd3dnowext
940 armv5te
941 armv6
942 armv6t2
943 armvfp
944 iwmmxt
945 mmi
946 mmx
947 mmx2
948 neon
949 ppc4xx
950 sse
951 ssse3
952 vis
953 '
954
955 HAVE_LIST_PUB='
956 bigendian
957 '
958
959 HAVE_LIST="
960 $ARCH_EXT_LIST
961 $HAVE_LIST_PUB
962 $THREADS_LIST
963 alsa_asoundlib_h
964 altivec_h
965 arpa_inet_h
966 attribute_may_alias
967 attribute_packed
968 bswap
969 closesocket
970 cmov
971 conio_h
972 dcbzl
973 dev_bktr_ioctl_bt848_h
974 dev_bktr_ioctl_meteor_h
975 dev_ic_bt8xx_h
976 dev_video_meteor_ioctl_meteor_h
977 dev_video_bktr_ioctl_bt848_h
978 dlfcn_h
979 dlopen
980 dos_paths
981 ebp_available
982 ebx_available
983 exp2
984 exp2f
985 fast_64bit
986 fast_clz
987 fast_cmov
988 fast_unaligned
989 fork
990 getaddrinfo
991 gethrtime
992 GetProcessMemoryInfo
993 GetProcessTimes
994 getrusage
995 struct_rusage_ru_maxrss
996 inet_aton
997 inline_asm
998 isatty
999 ldbrx
1000 libdc1394_1
1001 libdc1394_2
1002 llrint
1003 llrintf
1004 local_aligned_16
1005 local_aligned_8
1006 log2
1007 log2f
1008 loongson
1009 lrint
1010 lrintf
1011 lzo1x_999_compress
1012 machine_ioctl_bt848_h
1013 machine_ioctl_meteor_h
1014 malloc_h
1015 memalign
1016 mkstemp
1017 pld
1018 posix_memalign
1019 round
1020 roundf
1021 sdl
1022 sdl_video_size
1023 setmode
1024 socklen_t
1025 soundcard_h
1026 poll_h
1027 setrlimit
1028 strerror_r
1029 struct_addrinfo
1030 struct_ipv6_mreq
1031 struct_sockaddr_in6
1032 struct_sockaddr_sa_len
1033 struct_sockaddr_storage
1034 symver
1035 symver_gnu_asm
1036 symver_asm_label
1037 sys_mman_h
1038 sys_resource_h
1039 sys_select_h
1040 sys_soundcard_h
1041 sys_videoio_h
1042 ten_operands
1043 termios_h
1044 threads
1045 truncf
1046 vfp_args
1047 VirtualAlloc
1048 winsock2_h
1049 xform_asm
1050 yasm
1051 "
1052
1053 # options emitted with CONFIG_ prefix but not available on command line
1054 CONFIG_EXTRA="
1055 avutil
1056 gplv3
1057 lgplv3
1058 "
1059
1060 CMDLINE_SELECT="
1061 $ARCH_EXT_LIST
1062 $CONFIG_LIST
1063 $THREADS_LIST
1064 asm
1065 cross_compile
1066 debug
1067 extra_warnings
1068 logging
1069 optimizations
1070 stripping
1071 yasm
1072 "
1073
1074 PATHS_LIST='
1075 bindir
1076 datadir
1077 incdir
1078 libdir
1079 mandir
1080 prefix
1081 shlibdir
1082 '
1083
1084 CMDLINE_SET="
1085 $PATHS_LIST
1086 ar
1087 arch
1088 as
1089 build_suffix
1090 cc
1091 cpu
1092 cross_prefix
1093 dep_cc
1094 extra_version
1095 host_cc
1096 host_cflags
1097 host_ldflags
1098 host_libs
1099 host_os
1100 ld
1101 logfile
1102 malloc_prefix
1103 nm
1104 samples
1105 source_path
1106 strip
1107 sysinclude
1108 sysroot
1109 target_exec
1110 target_os
1111 target_path
1112 "
1113
1114 CMDLINE_APPEND="
1115 extra_cflags
1116 "
1117
1118 # code dependency declarations
1119
1120 # architecture extensions
1121
1122 armv5te_deps="arm"
1123 armv6_deps="arm"
1124 armv6t2_deps="arm"
1125 armvfp_deps="arm"
1126 iwmmxt_deps="arm"
1127 neon_deps="arm"
1128
1129 mmi_deps="mips"
1130
1131 altivec_deps="ppc"
1132 ppc4xx_deps="ppc"
1133
1134 vis_deps="sparc"
1135
1136 x86_64_suggest="cmov fast_cmov"
1137 amd3dnow_deps="mmx"
1138 amd3dnowext_deps="amd3dnow"
1139 mmx_deps="x86"
1140 mmx2_deps="mmx"
1141 sse_deps="mmx"
1142 ssse3_deps="sse"
1143
1144 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1145 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1146 fast_unaligned_if_any="armv6 ppc x86"
1147
1148 need_memalign="altivec neon sse"
1149 inline_asm_deps="!tms470"
1150
1151 symver_if_any="symver_asm_label symver_gnu_asm"
1152
1153 # subsystems
1154 mdct_select="fft"
1155 rdft_select="fft"
1156
1157 # decoders / encoders / hardware accelerators
1158 aac_decoder_select="mdct rdft aac_parser"
1159 aac_encoder_select="mdct"
1160 ac3_decoder_select="mdct ac3_parser"
1161 alac_encoder_select="lpc"
1162 amrnb_decoder_select="lsp"
1163 atrac1_decoder_select="mdct"
1164 atrac3_decoder_select="mdct"
1165 binkaudio_dct_decoder_select="mdct rdft dct"
1166 binkaudio_rdft_decoder_select="mdct rdft"
1167 cavs_decoder_select="golomb"
1168 cook_decoder_select="mdct"
1169 cscd_decoder_suggest="zlib"
1170 dca_decoder_select="mdct"
1171 dnxhd_encoder_select="aandct"
1172 dxa_decoder_select="zlib"
1173 eac3_decoder_select="ac3_decoder"
1174 eamad_decoder_select="aandct"
1175 eatgq_decoder_select="aandct"
1176 eatqi_decoder_select="aandct"
1177 ffv1_decoder_select="golomb"
1178 flac_decoder_select="golomb"
1179 flac_encoder_select="golomb lpc"
1180 flashsv_decoder_select="zlib"
1181 flashsv_encoder_select="zlib"
1182 flv_decoder_select="h263_decoder"
1183 flv_encoder_select="h263_encoder"
1184 h261_encoder_select="aandct"
1185 h263_decoder_select="h263_parser"
1186 h263_encoder_select="aandct"
1187 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1188 h263i_decoder_select="h263_decoder"
1189 h263p_encoder_select="h263_encoder"
1190 h264_decoder_select="golomb h264dsp"
1191 h264_dxva2_hwaccel_deps="dxva2api_h"
1192 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1193 h264_vaapi_hwaccel_select="vaapi"
1194 h264_vdpau_decoder_select="vdpau h264_decoder"
1195 imc_decoder_select="fft mdct"
1196 jpegls_decoder_select="golomb"
1197 jpegls_encoder_select="golomb"
1198 ljpeg_encoder_select="aandct"
1199 loco_decoder_select="golomb"
1200 mjpeg_encoder_select="aandct"
1201 mlp_decoder_select="mlp_parser"
1202 mpeg1video_encoder_select="aandct"
1203 mpeg2video_encoder_select="aandct"
1204 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1205 mpeg4_encoder_select="h263_encoder"
1206 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1207 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1208 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1209 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1210 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1211 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1212 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1213 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1214 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1215 msmpeg4v1_decoder_select="h263_decoder"
1216 msmpeg4v1_encoder_select="h263_encoder"
1217 msmpeg4v2_decoder_select="h263_decoder"
1218 msmpeg4v2_encoder_select="h263_encoder"
1219 msmpeg4v3_decoder_select="h263_decoder"
1220 msmpeg4v3_encoder_select="h263_encoder"
1221 nellymoser_decoder_select="mdct"
1222 nellymoser_encoder_select="mdct"
1223 png_decoder_select="zlib"
1224 png_encoder_select="zlib"
1225 qcelp_decoder_select="lsp"
1226 qdm2_decoder_select="mdct rdft"
1227 ra_144_encoder_select="lpc"
1228 rv10_decoder_select="h263_decoder"
1229 rv10_encoder_select="h263_encoder"
1230 rv20_decoder_select="h263_decoder"
1231 rv20_encoder_select="h263_encoder"
1232 rv30_decoder_select="golomb h264dsp"
1233 rv40_decoder_select="golomb h264dsp"
1234 shorten_decoder_select="golomb"
1235 sipr_decoder_select="lsp"
1236 snow_decoder_select="dwt"
1237 snow_encoder_select="aandct dwt"
1238 sonic_decoder_select="golomb"
1239 sonic_encoder_select="golomb"
1240 sonic_ls_encoder_select="golomb"
1241 svq1_encoder_select="aandct"
1242 svq3_decoder_select="golomb h264dsp"
1243 svq3_decoder_suggest="zlib"
1244 theora_decoder_select="vp3_decoder"
1245 tiff_decoder_suggest="zlib"
1246 tiff_encoder_suggest="zlib"
1247 truehd_decoder_select="mlp_decoder"
1248 tscc_decoder_select="zlib"
1249 twinvq_decoder_select="mdct lsp"
1250 vc1_decoder_select="h263_decoder"
1251 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1252 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1253 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1254 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1255 vorbis_decoder_select="mdct"
1256 vorbis_encoder_select="mdct"
1257 vp6a_decoder_select="vp6_decoder"
1258 vp6f_decoder_select="vp6_decoder"
1259 wmapro_decoder_select="mdct"
1260 wmav1_decoder_select="mdct"
1261 wmav1_encoder_select="mdct"
1262 wmav2_decoder_select="mdct"
1263 wmav2_encoder_select="mdct"
1264 wmavoice_decoder_select="lsp rdft dct"
1265 wmv1_decoder_select="h263_decoder"
1266 wmv1_encoder_select="h263_encoder"
1267 wmv2_decoder_select="h263_decoder"
1268 wmv2_encoder_select="h263_encoder"
1269 wmv3_decoder_select="vc1_decoder"
1270 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1271 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1272 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1273 zlib_decoder_select="zlib"
1274 zlib_encoder_select="zlib"
1275 zmbv_decoder_select="zlib"
1276 zmbv_encoder_select="zlib"
1277
1278 vaapi_deps="va_va_h"
1279 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1280
1281 # parsers
1282 h264_parser_select="golomb h264dsp"
1283
1284 # bitstream_filters
1285 aac_adtstoasc_bsf_select="aac_parser"
1286
1287 # external libraries
1288 libdirac_decoder_deps="libdirac !libschroedinger"
1289 libdirac_encoder_deps="libdirac"
1290 libfaac_encoder_deps="libfaac"
1291 libgsm_decoder_deps="libgsm"
1292 libgsm_encoder_deps="libgsm"
1293 libgsm_ms_decoder_deps="libgsm"
1294 libgsm_ms_encoder_deps="libgsm"
1295 libmp3lame_encoder_deps="libmp3lame"
1296 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1297 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1298 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1299 libopenjpeg_decoder_deps="libopenjpeg"
1300 libschroedinger_decoder_deps="libschroedinger"
1301 libschroedinger_encoder_deps="libschroedinger"
1302 libspeex_decoder_deps="libspeex"
1303 libtheora_encoder_deps="libtheora"
1304 libvorbis_encoder_deps="libvorbis"
1305 libvpx_decoder_deps="libvpx"
1306 libvpx_encoder_deps="libvpx"
1307 libx264_encoder_deps="libx264"
1308 libxvid_encoder_deps="libxvid"
1309
1310 # demuxers / muxers
1311 ac3_demuxer_deps="ac3_parser"
1312 asf_stream_muxer_select="asf_muxer"
1313 avisynth_demuxer_deps="avisynth"
1314 dirac_demuxer_deps="dirac_parser"
1315 eac3_demuxer_select="ac3_parser"
1316 ipod_muxer_select="mov_muxer"
1317 libnut_demuxer_deps="libnut"
1318 libnut_muxer_deps="libnut"
1319 matroska_audio_muxer_select="matroska_muxer"
1320 matroska_demuxer_suggest="zlib bzlib"
1321 mov_demuxer_suggest="zlib"
1322 mp3_demuxer_deps="mpegaudio_parser"
1323 mp4_muxer_select="mov_muxer"
1324 mpegtsraw_demuxer_select="mpegts_demuxer"
1325 mxf_d10_muxer_select="mxf_muxer"
1326 ogg_demuxer_select="golomb"
1327 psp_muxer_select="mov_muxer"
1328 rtsp_demuxer_deps="sdp_demuxer"
1329 rtsp_muxer_deps="sdp_demuxer"
1330 rtsp_muxer_select="rtp_muxer"
1331 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1332 sdp_demuxer_select="asf_demuxer rm_demuxer"
1333 spdif_muxer_select="aac_parser"
1334 tg2_muxer_select="mov_muxer"
1335 tgp_muxer_select="mov_muxer"
1336 w64_demuxer_deps="wav_demuxer"
1337
1338 # indevs / outdevs
1339 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1340 alsa_indev_extralibs="-lasound"
1341 alsa_outdev_deps="alsa_asoundlib_h"
1342 alsa_outdev_extralibs="-lasound"
1343 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1344 dv1394_indev_deps="dv1394 dv_demuxer"
1345 jack_indev_deps="jack_jack_h"
1346 jack_indev_extralibs="-ljack"
1347 libdc1394_indev_deps="libdc1394"
1348 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1349 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1350 v4l_indev_deps="linux_videodev_h"
1351 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1352 vfwcap_indev_deps="capCreateCaptureWindow"
1353 vfwcap_indev_extralibs="-lavicap32"
1354 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1355 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1356
1357 # protocols
1358 gopher_protocol_deps="network"
1359 http_protocol_deps="network"
1360 http_protocol_select="tcp_protocol"
1361 mmst_protocol_deps="network"
1362 rtmp_protocol_select="tcp_protocol"
1363 rtp_protocol_select="udp_protocol"
1364 tcp_protocol_deps="network"
1365 udp_protocol_deps="network"
1366
1367 # filters
1368 movie_filter_deps="avfilter_lavf"
1369 avfilter_lavf_deps="avformat"
1370
1371 # libraries
1372 avdevice_deps="avcodec avformat"
1373 avformat_deps="avcodec"
1374
1375 # programs
1376 ffmpeg_deps="avcodec avformat swscale"
1377 ffmpeg_select="buffer_filter"
1378 ffplay_deps="avcodec avformat swscale sdl"
1379 ffplay_select="rdft"
1380 ffprobe_deps="avcodec avformat"
1381 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1382 ffserver_extralibs='$ldl'
1383
1384 doc_deps="texi2html"
1385
1386 # default parameters
1387
1388 logfile="config.log"
1389
1390 # installation paths
1391 prefix_default="/usr/local"
1392 bindir_default='${prefix}/bin'
1393 datadir_default='${prefix}/share/ffmpeg'
1394 incdir_default='${prefix}/include'
1395 libdir_default='${prefix}/lib'
1396 mandir_default='${prefix}/share/man'
1397 shlibdir_default="$libdir_default"
1398
1399 # toolchain
1400 ar_default="ar"
1401 cc_default="gcc"
1402 cc_version=\"unknown\"
1403 host_cc_default="gcc"
1404 ln_s="ln -sf"
1405 nm_default="nm"
1406 objformat="elf"
1407 ranlib="ranlib"
1408 strip_default="strip"
1409 yasmexe="yasm"
1410
1411 nm_opts='-g'
1412
1413 # machine
1414 arch_default=$(uname -m)
1415 cpu="generic"
1416
1417 # OS
1418 target_os_default=$(tolower $(uname -s))
1419 host_os=$target_os_default
1420
1421 # configurable options
1422 enable avcodec
1423 enable avdevice
1424 enable avfilter
1425 enable avformat
1426 enable avutil
1427 enable asm
1428 enable debug
1429 enable doc
1430 enable fastdiv
1431 enable ffmpeg
1432 enable ffplay
1433 enable ffprobe
1434 enable ffserver
1435 enable mpegaudio_hp
1436 enable network
1437 enable optimizations
1438 enable protocols
1439 enable static
1440 enable stripping
1441 enable swscale
1442 enable swscale_alpha
1443
1444 # build settings
1445 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1446 FFSERVERLDFLAGS=-Wl,-E
1447 LIBPREF="lib"
1448 LIBSUF=".a"
1449 FULLNAME='$(NAME)$(BUILDSUF)'
1450 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1451 SLIBPREF="lib"
1452 SLIBSUF=".so"
1453 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1454 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1455 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1456 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1457
1458 CC_O='-o $@'
1459
1460 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1461 host_libs='-lm'
1462
1463 target_path='$(CURDIR)'
1464
1465 # gcc stupidly only outputs the basename of targets with -MM, but we need the
1466 # full relative path for objects in subdirectories for non-recursive Make.
1467 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1468 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1469
1470 # find source path
1471 source_path="$(dirname "$0")"
1472 enable source_path_used
1473 if test -f configure; then
1474 source_path="$(pwd)"
1475 disable source_path_used
1476 else
1477 source_path="$(cd "$source_path"; pwd)"
1478 echo "$source_path" | grep -q '[[:blank:]]' &&
1479 die "Out of tree builds are impossible with whitespace in source path."
1480 test -e "$source_path/config.h" &&
1481 die "Out of tree builds are impossible with config.h in source dir."
1482 fi
1483
1484 for v in "$@"; do
1485 r=${v#*=}
1486 l=${v%"$r"}
1487 r=$(sh_quote "$r")
1488 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1489 done
1490
1491 find_things(){
1492 thing=$1
1493 pattern=$2
1494 file=$source_path/$3
1495 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1496 }
1497
1498 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1499 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1500 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1501 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1502 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1503 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1504 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1505 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1506 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1507 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1508 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1509
1510 for n in $COMPONENT_LIST; do
1511 v=$(toupper ${n%s})_LIST
1512 eval enable \$$v
1513 eval ${n}_if_any="\$$v"
1514 done
1515
1516 enable $ARCH_EXT_LIST
1517
1518 die_unknown(){
1519 echo "Unknown option \"$1\"."
1520 echo "See $0 --help for available options."
1521 exit 1
1522 }
1523
1524 show_list() {
1525 suffix=_$1
1526 shift
1527 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1528 exit 0
1529 }
1530
1531 for opt do
1532 optval="${opt#*=}"
1533 case "$opt" in
1534 --extra-ldflags=*) add_ldflags $optval
1535 ;;
1536 --extra-libs=*) add_extralibs $optval
1537 ;;
1538 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1539 ;;
1540 --enable-debug=*) debuglevel="$optval"
1541 ;;
1542 --disable-everything)
1543 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1544 ;;
1545 --enable-*=*|--disable-*=*)
1546 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1547 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1548 eval list=\$$(toupper $thing)_LIST
1549 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1550 $action $(filter "$name" $list)
1551 ;;
1552 --enable-?*|--disable-?*)
1553 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1554 if is_in $option $COMPONENT_LIST; then
1555 test $action = disable && action=unset
1556 eval $action \$$(toupper ${option%s})_LIST
1557 elif is_in $option $CMDLINE_SELECT; then
1558 $action $option
1559 else
1560 die_unknown $opt
1561 fi
1562 ;;
1563 --list-*)
1564 NAME="${opt#--list-}"
1565 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1566 NAME=${NAME%s}
1567 eval show_list $NAME \$$(toupper $NAME)_LIST
1568 ;;
1569 --help|-h) show_help
1570 ;;
1571 *)
1572 optname="${opt%%=*}"
1573 optname="${optname#--}"
1574 optname=$(echo "$optname" | sed 's/-/_/g')
1575 if is_in $optname $CMDLINE_SET; then
1576 eval $optname='$optval'
1577 elif is_in $optname $CMDLINE_APPEND; then
1578 append $optname "$optval"
1579 else
1580 die_unknown $opt
1581 fi
1582 ;;
1583 esac
1584 done
1585
1586 disabled logging && logfile=/dev/null
1587
1588 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1589 set >> $logfile
1590
1591 test -n "$cross_prefix" && enable cross_compile
1592
1593 if enabled cross_compile; then
1594 test -n "$arch" && test -n "$target_os" ||
1595 die "Must specify target arch and OS when cross-compiling"
1596 fi
1597
1598 set_default arch target_os
1599
1600 ar_default="${cross_prefix}${ar_default}"
1601 cc_default="${cross_prefix}${cc_default}"
1602 nm_default="${cross_prefix}${nm_default}"
1603 ranlib="${cross_prefix}${ranlib}"
1604 strip_default="${cross_prefix}${strip_default}"
1605
1606 sysinclude_default="${sysroot}/usr/include"
1607
1608 set_default cc nm strip sysinclude
1609 enabled cross_compile || host_cc_default=$cc
1610 set_default host_cc
1611
1612 exesuf() {
1613 case $1 in
1614 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1615 esac
1616 }
1617
1618 EXESUF=$(exesuf $target_os)
1619 HOSTEXESUF=$(exesuf $host_os)
1620
1621 # set temporary file name
1622 : ${TMPDIR:=$TEMPDIR}
1623 : ${TMPDIR:=$TMP}
1624 : ${TMPDIR:=/tmp}
1625
1626 if ! check_cmd type mktemp; then
1627 # simple replacement for missing mktemp
1628 # NOT SAFE FOR GENERAL USE
1629 mktemp(){
1630 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1631 }
1632 fi
1633
1634 tmpfile(){
1635 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1636 (set -C; exec > $tmp) 2>/dev/null ||
1637 die "Unable to create temporary file in $TMPDIR."
1638 append TMPFILES $tmp
1639 eval $1=$tmp
1640 }
1641
1642 trap 'rm -f -- $TMPFILES' EXIT
1643 trap exit HUP INT TERM
1644
1645 tmpfile TMPC .c
1646 tmpfile TMPE $EXESUF
1647 tmpfile TMPH .h
1648 tmpfile TMPO .o
1649 tmpfile TMPS .S
1650 tmpfile TMPV .ver
1651 tmpfile TMPSH .sh
1652
1653 unset -f mktemp
1654
1655 # make sure we can execute files in $TMPDIR
1656 cat > $TMPSH 2>> $logfile <<EOF
1657 #! /bin/sh
1658 EOF
1659 chmod +x $TMPSH >> $logfile 2>&1
1660 if ! $TMPSH >> $logfile 2>&1; then
1661 cat <<EOF
1662 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1663 variable to another directory and make sure that it is not mounted noexec.
1664 EOF
1665 die "Sanity test failed."
1666 fi
1667
1668 filter_cflags=echo
1669 filter_cppflags=echo
1670 filter_asflags=echo
1671
1672 if $cc -v 2>&1 | grep -qi ^gcc; then
1673 cc_type=gcc
1674 cc_version=__VERSION__
1675 if ! $cc -dumpversion | grep -q '^2\.'; then
1676 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1677 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1678 fi
1679 speed_cflags='-O3'
1680 size_cflags='-Os'
1681 elif $cc --version 2>/dev/null | grep -q Intel; then
1682 cc_type=icc
1683 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1684 CC_DEPFLAGS='-MMD'
1685 AS_DEPFLAGS='-MMD'
1686 speed_cflags='-O3'
1687 size_cflags='-Os'
1688 noopt_cflags='-O1'
1689 elif $cc -v 2>&1 | grep -q xlc; then
1690 cc_type=xlc
1691 cc_version="AV_STRINGIFY(__IBMC__)"
1692 speed_cflags='-O5'
1693 size_cflags='-O5 -qcompact'
1694 elif $cc -V 2>/dev/null | grep -q Compaq; then
1695 cc_type=ccc
1696 cc_version="AV_STRINGIFY(__DECC_VER)"
1697 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1698 debuglevel=3
1699 add_ldflags -Wl,-z,now # calls to libots crash without this
1700 speed_cflags='-fast'
1701 size_cflags='-O1'
1702 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1703 test -d "$sysroot" || die "No valid sysroot specified."
1704 cc_type=armcc
1705 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1706 armcc_conf="$PWD/armcc.conf"
1707 $cc --arm_linux_configure \
1708 --arm_linux_config_file="$armcc_conf" \
1709 --configure_sysroot="$sysroot" \
1710 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1711 die "Error creating armcc configuration file."
1712 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1713 as_default="${cross_prefix}gcc"
1714 CC_DEPFLAGS='-MMD'
1715 AS_DEPFLAGS='-MMD'
1716 speed_cflags='-O3'
1717 size_cflags='-Os'
1718 elif $cc -version 2>/dev/null | grep -q TMS470; then
1719 cc_type=tms470
1720 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1721 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1722 CC_O='-fr=$(@D)'
1723 as_default="${cross_prefix}gcc"
1724 ld_default="${cross_prefix}gcc"
1725 TMPO=$(basename $TMPC .c).o
1726 append TMPFILES $TMPO
1727 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1728 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1729 AS_DEPFLAGS='-MMD'
1730 speed_cflags='-O3 -mf=5'
1731 size_cflags='-O3 -mf=2'
1732 filter_cflags=tms470_flags
1733 tms470_flags(){
1734 for flag; do
1735 case $flag in
1736 -march=*|-mcpu=*)
1737 case "${flag#*=}" in
1738 armv7-a|cortex-a*) echo -mv=7a8 ;;
1739 armv7-r|cortex-r*) echo -mv=7r4 ;;
1740 armv7-m|cortex-m*) echo -mv=7m3 ;;
1741 armv6*|arm11*) echo -mv=6 ;;
1742 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1743 echo -mv=5e ;;
1744 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1745 esac
1746 ;;
1747 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1748 -mfpu=vfp) echo --float_support=vfpv2 ;;
1749 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1750 -msoft-float) echo --float_support=vfplib ;;
1751 -O[0-3]|-mf=*) echo $flag ;;
1752 -g) echo -g -mn ;;
1753 -pds=*) echo $flag ;;
1754 esac
1755 done
1756 }
1757 elif $cc -v 2>&1 | grep -q clang; then
1758 cc_type=clang
1759 cc_version=__VERSION__
1760 CC_DEPFLAGS='-MMD'
1761 AS_DEPFLAGS='-MMD'
1762 speed_cflags='-O3'
1763 size_cflags='-Os'
1764 elif $cc -V 2>&1 | grep -q Sun; then
1765 cc_type=suncc
1766 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1767 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1768 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1769 speed_cflags='-O5'
1770 size_cflags='-O5 -xspace'
1771 filter_cflags=suncc_flags
1772 suncc_flags(){
1773 for flag; do
1774 case $flag in
1775 -march=*|-mcpu=*)
1776 case "${flag#*=}" in
1777 native) echo -xtarget=native ;;
1778 v9|niagara) echo -xarch=sparc ;;
1779 ultrasparc) echo -xarch=sparcvis ;;
1780 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1781 i586|pentium) echo -xchip=pentium ;;
1782 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1783 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1784 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1785 pentium4*) echo -xtarget=pentium4 ;;
1786 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1787 *-sse3) echo -xarch=sse3 ;;
1788 core2) echo -xarch=ssse3 -xchip=core2 ;;
1789 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1790 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1791 k8|opteron|athlon64|athlon-fx)
1792 echo -xarch=sse2a ;;
1793 athlon*) echo -xarch=pentium_proa ;;
1794 esac
1795 ;;
1796 -std=c99) echo -xc99 ;;
1797 -fomit-frame-pointer) echo -xregs=frameptr ;;
1798 -fPIC) echo -KPIC -xcode=pic32 ;;
1799 -W*,*) echo $flag ;;
1800 -f*-*|-W*) ;;
1801 *) echo $flag ;;
1802 esac
1803 done
1804 }
1805 fi
1806
1807 test -n "$cc_type" && enable $cc_type ||
1808 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
1809
1810 : ${as_default:=$cc}
1811 : ${dep_cc_default:=$cc}
1812 : ${ld_default:=$cc}
1813 set_default ar as dep_cc ld
1814
1815 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1816 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1817
1818 add_cflags $extra_cflags
1819 add_asflags $extra_cflags
1820
1821 if test -n "$sysroot"; then
1822 case "$cc_type" in
1823 gcc)
1824 add_cppflags --sysroot="$sysroot"
1825 add_ldflags --sysroot="$sysroot"
1826 ;;
1827 tms470)
1828 add_cppflags -I"$sysinclude"
1829 add_ldflags --sysroot="$sysroot"
1830 ;;
1831 clang)
1832 add_cppflags -isysroot "$sysroot"
1833 add_ldflags -isysroot "$sysroot"
1834 ;;
1835 esac
1836 fi
1837
1838 if test "$cpu" = host; then
1839 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1840
1841 case "$cc_type" in
1842 gcc)
1843 check_native(){
1844 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1845 sed -n "/$1=/{
1846 s/.*$1=\\([^ ]*\\).*/\\1/
1847 p
1848 q
1849 }" $TMPE
1850 }
1851 cpu=$(check_native -march || check_native -mcpu)
1852 ;;
1853 esac
1854
1855 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1856 fi
1857
1858 # Deal with common $arch aliases
1859 case "$arch" in
1860 arm*)
1861 arch="arm"
1862 ;;
1863 mips|mipsel|IP*)
1864 arch="mips"
1865 ;;
1866 mips64*)
1867 arch="mips"
1868 subarch="mips64"
1869 ;;
1870 parisc|hppa)
1871 arch="parisc"
1872 ;;
1873 parisc64|hppa64)
1874 arch="parisc"
1875 subarch="parisc64"
1876 ;;
1877 "Power Macintosh"|ppc|powerpc)
1878 arch="ppc"
1879 ;;
1880 ppc64|powerpc64)
1881 arch="ppc"
1882 subarch="ppc64"
1883 ;;
1884 s390|s390x)
1885 arch="s390"
1886 ;;
1887 sh4|sh)
1888 arch="sh4"
1889 ;;
1890 sun4u|sparc64)
1891 arch="sparc"
1892 subarch="sparc64"
1893 ;;
1894 i[3-6]86|i86pc|BePC|x86_64|amd64)
1895 arch="x86"
1896 ;;
1897 esac
1898
1899 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
1900 enable $arch
1901
1902 # Add processor-specific flags
1903 if test "$cpu" = generic; then
1904 : do nothing
1905 elif enabled ppc; then
1906
1907 case $(tolower $cpu) in
1908 601|ppc601|powerpc601)
1909 cpuflags="-mcpu=601"
1910 disable altivec
1911 ;;
1912 603*|ppc603*|powerpc603*)
1913 cpuflags="-mcpu=603"
1914 disable altivec
1915 ;;
1916 604*|ppc604*|powerpc604*)
1917 cpuflags="-mcpu=604"
1918 disable altivec
1919 ;;
1920 g3|75*|ppc75*|powerpc75*)
1921 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1922 disable altivec
1923 ;;
1924 g4|745*|ppc745*|powerpc745*)
1925 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1926 ;;
1927 74*|ppc74*|powerpc74*)
1928 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1929 ;;
1930 g5|970|ppc970|powerpc970|power4*)
1931 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1932 ;;
1933 cell)
1934 cpuflags="-mcpu=cell"
1935 enable ldbrx
1936 ;;
1937 e500v2)
1938 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1939 disable altivec
1940 ;;
1941 e500)
1942 cpuflags="-mcpu=8540 -mhard-float"
1943 disable altivec
1944 ;;
1945 esac
1946
1947 elif enabled x86; then
1948
1949 case $cpu in
1950 i[345]86|pentium)
1951 cpuflags="-march=$cpu"
1952 disable mmx
1953 ;;
1954 # targets that do NOT support conditional mov (cmov)
1955 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1956 cpuflags="-march=$cpu"
1957 disable cmov
1958 ;;
1959 # targets that do support conditional mov (cmov)
1960 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
1961 cpuflags="-march=$cpu"
1962 enable cmov
1963 enable fast_cmov
1964 ;;
1965 # targets that do support conditional mov but on which it's slow
1966 pentium4|pentium4m|prescott|nocona)
1967 cpuflags="-march=$cpu"
1968 enable cmov
1969 disable fast_cmov
1970 ;;
1971 esac
1972
1973 elif enabled sparc; then
1974
1975 case $cpu in
1976 niagara)
1977 cpuflags="-mcpu=$cpu"
1978 disable vis
1979 ;;
1980 sparc64)
1981 cpuflags="-mcpu=v9"
1982 ;;
1983 esac
1984
1985 elif enabled arm; then
1986
1987 case $cpu in
1988 armv*)
1989 cpuflags="-march=$cpu"
1990 ;;
1991 *)
1992 cpuflags="-mcpu=$cpu"
1993 ;;
1994 esac
1995
1996 elif enabled alpha; then
1997
1998 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1999
2000 elif enabled bfin; then
2001
2002 cpuflags="-mcpu=$cpu"
2003
2004 elif enabled mips; then
2005
2006 cpuflags="-march=$cpu"
2007
2008 elif enabled avr32; then
2009
2010 case $cpu in
2011 ap7[02]0[0-2])
2012 subarch="avr32_ap"
2013 cpuflags="-mpart=$cpu"
2014 ;;
2015 ap)
2016 subarch="avr32_ap"
2017 cpuflags="-march=$cpu"
2018 ;;
2019 uc3[ab]*)
2020 subarch="avr32_uc"
2021 cpuflags="-mcpu=$cpu"
2022 ;;
2023 uc)
2024 subarch="avr32_uc"
2025 cpuflags="-march=$cpu"
2026 ;;
2027 esac
2028
2029 fi
2030
2031 add_cflags $cpuflags
2032 add_asflags $cpuflags
2033
2034 # compiler sanity check
2035 check_exec <<EOF
2036 int main(void){ return 0; }
2037 EOF
2038 if test "$?" != 0; then
2039 echo "$cc is unable to create an executable file."
2040 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2041 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2042 echo "Only do this if you know what cross compiling means."
2043 fi
2044 die "C compiler test failed."
2045 fi
2046
2047 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2048 check_cflags -std=c99
2049 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2050 #include <stdlib.h>
2051 EOF
2052 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2053 #include <stdlib.h>
2054 EOF
2055
2056 check_host_cflags -std=c99
2057
2058 case "$arch" in
2059 alpha|ia64|mips|parisc|sparc)
2060 spic=$shared
2061 ;;
2062 x86)
2063 subarch="x86_32"
2064 check_cc <<EOF && subarch="x86_64"
2065 int test[(int)sizeof(char*) - 7];
2066 EOF
2067 if test "$subarch" = "x86_64"; then
2068 spic=$shared
2069 fi
2070 ;;
2071 esac
2072
2073 enable $subarch
2074 enabled spic && enable pic
2075
2076 # OS specific
2077 case $target_os in
2078 haiku)
2079 prefix_default="/boot/common"
2080 network_extralibs="-lnetwork"
2081 ;;
2082 sunos)
2083 FFSERVERLDFLAGS=""
2084 SHFLAGS='-shared -Wl,-h,$$(@F)'
2085 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2086 network_extralibs="-lsocket -lnsl"
2087 add_cppflags -D__EXTENSIONS__
2088 nm_opts='-P -g'
2089 ;;
2090 netbsd)
2091 oss_indev_extralibs="-lossaudio"
2092 oss_outdev_extralibs="-lossaudio"
2093 add_cppflags -D_XOPEN_SOURCE=600
2094 ;;
2095 openbsd)
2096 enable malloc_aligned
2097 # On OpenBSD 4.5. the compiler does not use PIC unless
2098 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2099 # however the generated executable will not do anything
2100 # (simply quits with exit-code 1, no crash, no output).
2101 # Thus explicitly enable PIC here.
2102 enable pic
2103 SHFLAGS='-shared'
2104 oss_indev_extralibs="-lossaudio"
2105 oss_outdev_extralibs="-lossaudio"
2106 ;;
2107 freebsd|dragonfly)
2108 enable malloc_aligned
2109 ;;
2110 bsd/os)
2111 osextralibs="-lpoll -lgnugetopt"
2112 strip="strip -d"
2113 ;;
2114 darwin)
2115 enable malloc_aligned
2116 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2117 strip="${strip} -x"
2118 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2119 SLIBSUF=".dylib"
2120 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2121 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2122 FFSERVERLDFLAGS=-Wl,-bind_at_load
2123 objformat="macho"
2124 enabled x86_64 && objformat="macho64"
2125 enabled_any pic shared ||
2126 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2127 ;;
2128 mingw32*)
2129 if test $target_os = "mingw32ce"; then
2130 disable network
2131 else
2132 target_os=mingw32
2133 fi
2134 LIBTARGET=i386
2135 if enabled x86_64; then
2136 enable malloc_aligned
2137 LIBTARGET=x64
2138 elif enabled arm; then
2139 LIBTARGET=arm
2140 fi
2141 shlibdir_default="$bindir_default"
2142 disable ffserver
2143 SLIBPREF=""
2144 SLIBSUF=".dll"
2145 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2146 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2147 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2148 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2149 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2150 install -d "$(LIBDIR)"; \
2151 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2152 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2153 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2154 objformat="win32"
2155 enable dos_paths
2156 check_cflags -fno-common
2157 if ! enabled x86_64; then
2158 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2159 die "ERROR: MinGW runtime version must be >= 3.15."
2160 enabled_any avisynth vfwcap_indev &&
2161 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2162 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
2163 fi
2164 ;;
2165 cygwin*)
2166 target_os=cygwin
2167 shlibdir_default="$bindir_default"
2168 SLIBPREF="cyg"
2169 SLIBSUF=".dll"
2170 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2171 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2172 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2173 objformat="win32"
2174 enable dos_paths
2175 check_cflags -fno-common
2176 ;;
2177 *-dos|freedos|opendos)
2178 disable ffplay ffserver
2179 disable $INDEV_LIST $OUTDEV_LIST
2180 network_extralibs="-lsocket"
2181 objformat="coff"
2182 enable dos_paths
2183 ;;
2184 linux)
2185 enable dv1394
2186 ;;
2187 irix*)
2188 target_os=irix
2189 ranlib="echo ignoring ranlib"
2190 ;;
2191 os/2*)
2192 strip="lxlite"
2193 ln_s="cp -f"
2194 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
2195 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2196 FFSERVERLDFLAGS=""
2197 LIBSUF="_s.a"
2198 SLIBPREF=""
2199 SLIBSUF=".dll"
2200 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2201 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2202 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2203 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2204 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2205 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2206 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2207 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2208 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2209 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2210 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2211 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2212 enable dos_paths
2213 ;;
2214 gnu/kfreebsd)
2215 ;;
2216 gnu)
2217 ;;
2218 none)
2219 ;;
2220 *)
2221 die "Unknown OS '$target_os'."
2222 ;;
2223 esac
2224
2225 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2226
2227 set_default $PATHS_LIST
2228
2229 add_extralibs $osextralibs
2230
2231 # Combine FFLDFLAGS and the LDFLAGS environment variable.
2232 LDFLAGS="$FFLDFLAGS $LDFLAGS"
2233
2234 # we need to build at least one lib type
2235 if ! enabled_any static shared; then
2236 cat <<EOF
2237 At least one library type must be built.
2238 Specify --enable-static to build the static libraries or --enable-shared to
2239 build the shared libraries as well. To only build the shared libraries specify
2240 --disable-static in addition to --enable-shared.
2241 EOF
2242 exit 1;
2243 fi
2244
2245 disabled static && LIBNAME=""
2246
2247 die_license_disabled() {
2248 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2249 }
2250
2251 die_license_disabled gpl libx264
2252 die_license_disabled gpl libxvid
2253 die_license_disabled gpl postproc
2254 die_license_disabled gpl x11grab
2255
2256 die_license_disabled nonfree libfaac
2257
2258 die_license_disabled version3 libopencore_amrnb
2259 die_license_disabled version3 libopencore_amrwb
2260
2261 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2262
2263 check_deps $ARCH_EXT_LIST
2264
2265 disabled optimizations || check_cflags -fomit-frame-pointer
2266
2267 enable_pic() {
2268 enable pic
2269 add_cppflags -DPIC
2270 add_cflags -fPIC
2271 add_asflags -fPIC
2272 }
2273
2274 enabled pic && enable_pic
2275
2276 check_cc <<EOF || die "Symbol mangling check failed."
2277 int ff_extern;
2278 EOF
2279 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2280 extern_prefix=${sym%%ff_extern*}
2281
2282 check_cc <<EOF && enable inline_asm
2283 void foo(void) { __asm__ volatile ("" ::); }
2284 EOF
2285
2286 _restrict=
2287 for restrict_keyword in restrict __restrict__ __restrict; do
2288 check_cc <<EOF && _restrict=$restrict_keyword && break
2289 void foo(char * $restrict_keyword p);
2290 EOF
2291 done
2292
2293 check_cc <<EOF && enable attribute_packed
2294 struct { int x; } __attribute__((packed)) x;
2295 EOF
2296
2297 check_cc <<EOF && enable attribute_may_alias
2298 union { int x; } __attribute__((may_alias)) x;
2299 EOF
2300
2301 check_cc <<EOF || die "endian test failed"
2302 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2303 EOF
2304 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2305
2306 if enabled alpha; then
2307
2308 check_cflags -mieee
2309
2310 elif enabled arm; then
2311
2312 check_cflags -marm
2313
2314 check_ld <<EOF && enable vfp_args
2315 __asm__ (".eabi_attribute 28, 1");
2316 int main(void) { return 0; }
2317 EOF
2318
2319 # We have to check if pld is a nop and disable it.
2320 check_asm pld '"pld [r0]"'
2321
2322 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2323 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2324 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2325 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2326 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2327 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2328
2329 enabled_all armv6t2 shared !pic && enable_pic
2330
2331 elif enabled mips; then
2332
2333 check_asm loongson '"dmult.g $1, $2, $3"'
2334 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2335
2336 elif enabled ppc; then
2337
2338 enable local_aligned_8 local_aligned_16
2339
2340 check_asm dcbzl '"dcbzl 0, 1"'
2341 check_asm ppc4xx '"maclhw r10, r11, r12"'
2342 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2343
2344 # AltiVec flags: The FSF version of GCC differs from the Apple version
2345 if enabled altivec; then
2346 check_cflags -maltivec -mabi=altivec &&
2347 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2348 check_cflags -faltivec
2349
2350 # check if our compiler supports Motorola AltiVec C API
2351 check_cc <<EOF || disable altivec
2352 $inc_altivec_h
2353 int main(void) {
2354 vector signed int v1, v2, v3;
2355 v1 = vec_add(v2,v3);
2356 return 0;
2357 }
2358 EOF
2359
2360 # check if our compiler supports braces for vector declarations
2361 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2362 $inc_altivec_h
2363 int main (void) { (vector int) {1}; return 0; }
2364 EOF
2365 fi
2366
2367 elif enabled sparc; then
2368
2369 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2370 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2371
2372 elif enabled x86; then
2373
2374 enable local_aligned_8 local_aligned_16
2375
2376 # check whether EBP is available on x86
2377 # As 'i' is stored on the stack, this program will crash
2378 # if the base pointer is used to access it because the
2379 # base pointer is cleared in the inline assembly code.
2380 check_exec_crash <<EOF && enable ebp_available
2381 volatile int i=0;
2382 __asm__ volatile (
2383 "xorl %%ebp, %%ebp"
2384 ::: "%ebp");
2385 return i;
2386 EOF
2387
2388 # check whether EBX is available on x86
2389 check_asm ebx_available '""::"b"(0)' &&
2390 check_asm ebx_available '"":::"%ebx"'
2391
2392 # check whether more than 10 operands are supported
2393 check_cc <<EOF && enable ten_operands
2394 int main(void) {
2395 int x=0;
2396 __asm__ volatile(
2397 ""
2398 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2399 );
2400 return 0;
2401 }
2402 EOF
2403
2404 # check whether binutils is new enough to compile SSSE3/MMX2
2405 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2406 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2407
2408 check_asm bswap '"bswap %%eax" ::: "%eax"'
2409
2410 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2411 enabled x86_64 && append YASMFLAGS "-m amd64"
2412 enabled pic && append YASMFLAGS "-DPIC"
2413 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2414 case "$objformat" in
2415 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2416 esac
2417 if ! disabled yasm; then
2418 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2419 warn "yasm not found, performance will suffer"
2420 fi
2421
2422 case "$cpu" in
2423 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2424 disable fast_clz
2425 ;;
2426 esac
2427
2428 fi
2429
2430 if check_func dlopen; then
2431 ldl=
2432 elif check_func dlopen -ldl; then
2433 ldl=-ldl
2434 fi
2435
2436 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2437 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2438
2439 check_func fork
2440 check_func getaddrinfo $network_extralibs
2441 check_func gethrtime
2442 check_func getrusage
2443 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2444 check_func inet_aton $network_extralibs
2445 check_func isatty
2446 check_func ${malloc_prefix}memalign && enable memalign
2447 check_func mkstemp
2448 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2449 check_func setrlimit
2450 check_func strerror_r
2451 check_func_headers io.h setmode
2452 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2453 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2454 check_func_headers windows.h GetProcessTimes
2455 check_func_headers windows.h VirtualAlloc
2456
2457 check_header conio.h
2458 check_header dlfcn.h
2459 check_header dxva2api.h
2460 check_header malloc.h
2461 check_header poll.h
2462 check_header sys/mman.h
2463 check_header sys/resource.h
2464 check_header sys/select.h
2465 check_header termios.h
2466 check_header vdpau/vdpau.h
2467 check_header vdpau/vdpau_x11.h
2468 check_header X11/extensions/XvMClib.h
2469
2470 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2471
2472 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2473 enabled_any $need_memalign ; then
2474 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2475 fi
2476
2477 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2478 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2479
2480 # check for some common methods of building with pthread support
2481 # do this before the optional library checks as some of them require pthreads
2482 if ! disabled pthreads && ! enabled w32threads; then
2483 enable pthreads
2484 if check_func pthread_create; then
2485 :
2486 elif check_func pthread_create -pthread; then
2487 add_cflags -pthread
2488 add_extralibs -pthread
2489 elif check_func pthread_create -pthreads; then
2490 add_cflags -pthreads
2491 add_extralibs -pthreads
2492 elif check_func pthread_create -lpthreadGC2; then
2493 add_extralibs -lpthreadGC2
2494 elif ! check_lib pthread.h pthread_create -lpthread; then
2495 disable pthreads
2496 fi
2497 fi
2498
2499 for thread in $THREADS_LIST; do
2500 if enabled $thread; then
2501 test -n "$thread_type" &&
2502 die "ERROR: Only one thread type must be selected." ||
2503 thread_type="$thread"
2504 fi
2505 done
2506
2507 check_lib math.h sin -lm
2508 disabled vaapi || check_lib va/va.h vaInitialize -lva
2509
2510 check_mathfunc exp2
2511 check_mathfunc exp2f
2512 check_mathfunc llrint
2513 check_mathfunc llrintf
2514 check_mathfunc log2
2515 check_mathfunc log2f
2516 check_mathfunc lrint
2517 check_mathfunc lrintf
2518 check_mathfunc round
2519 check_mathfunc roundf
2520 check_mathfunc truncf
2521
2522 # these are off by default, so fail if requested and not available
2523 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2524 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2525 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2526 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2527 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2528 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2529 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
2530 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2531 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2532 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2533 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2534 enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
2535 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2536 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2537 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2538 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2539 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2540 enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2541 require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
2542 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
2543 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2544 die "ERROR: libx264 version must be >= 0.98."; }
2545 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2546 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2547
2548 # libdc1394 check
2549 if enabled libdc1394; then
2550 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2551 enable libdc1394_2; } ||
2552 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2553 enable libdc1394_1; } ||
2554 die "ERROR: No version of libdc1394 found "
2555 fi
2556
2557 SDL_CONFIG="${cross_prefix}sdl-config"
2558 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2559 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2560 sdl_libs=$("${SDL_CONFIG}" --libs)
2561 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2562 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2563 enable sdl &&
2564 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2565 fi
2566
2567 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2568
2569 if enabled network; then
2570 check_type "sys/types.h sys/socket.h" socklen_t
2571 check_type netdb.h "struct addrinfo"
2572 check_type netinet/in.h "struct ipv6_mreq"
2573 check_type netinet/in.h "struct sockaddr_in6"
2574 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2575 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2576 # Prefer arpa/inet.h over winsock2
2577 if check_header arpa/inet.h ; then
2578 check_func closesocket
2579 elif check_header winsock2.h ; then
2580 check_func_headers winsock2.h closesocket -lws2 && \
2581 network_extralibs="-lws2" || \
2582 { check_func_headers winsock2.h closesocket -lws2_32 && \
2583 network_extralibs="-lws2_32"; }
2584 check_type ws2tcpip.h socklen_t
2585 check_type ws2tcpip.h "struct addrinfo"
2586 check_type ws2tcpip.h "struct ipv6_mreq"
2587 check_type ws2tcpip.h "struct sockaddr_in6"
2588 check_type ws2tcpip.h "struct sockaddr_storage"
2589 check_struct winsock2.h "struct sockaddr" sa_len
2590 else
2591 disable network
2592 fi
2593 fi
2594
2595 check_header linux/videodev.h
2596 check_header linux/videodev2.h
2597 check_header sys/videoio.h
2598
2599 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2600
2601 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2602 { check_header dev/bktr/ioctl_meteor.h &&
2603 check_header dev/bktr/ioctl_bt848.h; } ||
2604 { check_header machine/ioctl_meteor.h &&
2605 check_header machine/ioctl_bt848.h; } ||
2606 { check_header dev/video/meteor/ioctl_meteor.h &&
2607 check_header dev/video/bktr/ioctl_bt848.h; } ||
2608 check_header dev/ic/bt8xx.h
2609
2610 check_header sys/soundcard.h
2611 check_header soundcard.h
2612
2613 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2614
2615 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2616
2617 enabled x11grab &&
2618 check_header X11/Xlib.h &&
2619 check_header X11/extensions/XShm.h &&
2620 check_header X11/extensions/Xfixes.h &&
2621 check_func XOpenDisplay -lX11 &&
2622 check_func XShmCreateImage -lX11 -lXext &&
2623 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2624
2625 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2626 check_cpp_condition \
2627 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2628 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2629 disable vdpau; }
2630 fi
2631
2632 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2633
2634 # add some useful compiler flags if supported
2635 check_cflags -Wdeclaration-after-statement
2636 check_cflags -Wall
2637 check_cflags -Wno-switch
2638 check_cflags -Wdisabled-optimization
2639 check_cflags -Wpointer-arith
2640 check_cflags -Wredundant-decls
2641 check_cflags -Wno-pointer-sign
2642 check_cflags -Wcast-qual
2643 check_cflags -Wwrite-strings
2644 check_cflags -Wtype-limits
2645 check_cflags -Wundef
2646 check_cflags -Wmissing-prototypes
2647 enabled extra_warnings && check_cflags -Winline
2648
2649 # add some linker flags
2650 check_ldflags -Wl,--warn-common
2651 check_ldflags -Wl,--as-needed
2652 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2653 check_ldflags -Wl,-Bsymbolic
2654
2655 echo "X{};" > $TMPV
2656 if test_ldflags -Wl,--version-script,$TMPV; then
2657 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2658 check_cc <<EOF && enable symver_asm_label
2659 void ff_foo(void) __asm__ ("av_foo@VERSION");
2660 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2661 EOF
2662 check_cc <<EOF && enable symver_gnu_asm
2663 __asm__(".symver ff_foo,av_foo@VERSION");
2664 void ff_foo(void) {}
2665 EOF
2666 fi
2667
2668 if enabled small; then
2669 add_cflags $size_cflags
2670 optimizations="small"
2671 elif enabled optimizations; then
2672 add_cflags $speed_cflags
2673 else
2674 add_cflags $noopt_cflags
2675 fi
2676 check_cflags -fno-math-errno
2677 check_cflags -fno-signed-zeros
2678
2679 if enabled icc; then
2680 # Just warnings, no remarks
2681 check_cflags -w1
2682 # -wd: Disable following warnings
2683 # 144, 167, 556: -Wno-pointer-sign
2684 # 10006: ignoring unknown option -fno-signed-zeros
2685 # 10156: ignoring option '-W'; no argument required
2686 check_cflags -wd144,167,556,10006,10156
2687 # 11030: Warning unknown option --as-needed
2688 # 10156: ignoring option '-export'; no argument required
2689 check_ldflags -wd10156,11030
2690 # Allow to compile with optimizations
2691 check_ldflags -march=$cpu
2692 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2693 enable ebp_available
2694 elif enabled ccc; then
2695 # disable some annoying warnings
2696 add_cflags -msg_disable cvtu32to64
2697 add_cflags -msg_disable embedcomment
2698 add_cflags -msg_disable needconstext
2699 add_cflags -msg_disable nomainieee
2700 add_cflags -msg_disable ptrmismatch1
2701 add_cflags -msg_disable unreachcode
2702 elif enabled gcc; then
2703 check_cflags -fno-tree-vectorize
2704 check_cflags -Werror=implicit
2705 check_cflags -Werror=missing-prototypes
2706 elif enabled clang; then
2707 check_cflags -Qunused-arguments
2708 elif enabled armcc; then
2709 # 2523: use of inline assembler is deprecated
2710 add_cflags -Wrvct,--diag_suppress=2523
2711 add_cflags -Wrvct,--diag_suppress=1207
2712 elif enabled tms470; then
2713 add_cflags -pds=824 -pds=837
2714 fi
2715
2716 if enabled gprof; then
2717 add_cflags -p
2718 add_ldflags -p
2719 fi
2720
2721 enabled_any $THREADS_LIST && enable threads
2722
2723 check_deps $CONFIG_LIST \
2724 $CONFIG_EXTRA \
2725 $HAVE_LIST \
2726 $DECODER_LIST \
2727 $ENCODER_LIST \
2728 $HWACCEL_LIST \
2729 $PARSER_LIST \
2730 $BSF_LIST \
2731 $DEMUXER_LIST \
2732 $MUXER_LIST \
2733 $FILTER_LIST \
2734 $INDEV_LIST \
2735 $OUTDEV_LIST \
2736 $PROTOCOL_LIST \
2737
2738 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2739
2740 echo "install prefix $prefix"
2741 echo "source path $source_path"
2742 echo "C compiler $cc"
2743 echo "ARCH $arch ($cpu)"
2744 if test "$build_suffix" != ""; then
2745 echo "build suffix $build_suffix"
2746 fi
2747 if test "$extra_version" != ""; then
2748 echo "version string suffix $extra_version"
2749 fi
2750 echo "big-endian ${bigendian-no}"
2751 echo "runtime cpu detection ${runtime_cpudetect-no}"
2752 if enabled x86; then
2753 echo "yasm ${yasm-no}"
2754 echo "MMX enabled ${mmx-no}"
2755 echo "MMX2 enabled ${mmx2-no}"
2756 echo "3DNow! enabled ${amd3dnow-no}"
2757 echo "3DNow! extended enabled ${amd3dnowext-no}"
2758 echo "SSE enabled ${sse-no}"
2759 echo "SSSE3 enabled ${ssse3-no}"
2760 echo "CMOV enabled ${cmov-no}"
2761 echo "CMOV is fast ${fast_cmov-no}"
2762 echo "EBX available ${ebx_available-no}"
2763 echo "EBP available ${ebp_available-no}"
2764 echo "10 operands supported ${ten_operands-no}"
2765 fi
2766 if enabled arm; then
2767 echo "ARMv5TE enabled ${armv5te-no}"
2768 echo "ARMv6 enabled ${armv6-no}"
2769 echo "ARMv6T2 enabled ${armv6t2-no}"
2770 echo "ARM VFP enabled ${armvfp-no}"
2771 echo "IWMMXT enabled ${iwmmxt-no}"
2772 echo "NEON enabled ${neon-no}"
2773 fi
2774 if enabled mips; then
2775 echo "MMI enabled ${mmi-no}"
2776 fi
2777 if enabled ppc; then
2778 echo "AltiVec enabled ${altivec-no}"
2779 echo "PPC 4xx optimizations ${ppc4xx-no}"
2780 echo "dcbzl available ${dcbzl-no}"
2781 echo "performance report ${powerpc_perf-no}"
2782 fi
2783 if enabled sparc; then
2784 echo "VIS enabled ${vis-no}"
2785 fi
2786 echo "gprof enabled ${gprof-no}"
2787 echo "debug symbols ${debug-no}"
2788 echo "strip symbols ${stripping-no}"
2789 echo "optimizations ${optimizations-no}"
2790 echo "static ${static-no}"
2791 echo "shared ${shared-no}"
2792 echo "postprocessing support ${postproc-no}"
2793 echo "new filter support ${avfilter-no}"
2794 echo "filters using lavformat ${avfilter_lavf-no}"
2795 echo "network support ${network-no}"
2796 echo "threading support ${thread_type-no}"
2797 echo "SDL support ${sdl-no}"
2798 echo "Sun medialib support ${mlib-no}"
2799 echo "AVISynth enabled ${avisynth-no}"
2800 echo "libdc1394 support ${libdc1394-no}"
2801 echo "libdirac enabled ${libdirac-no}"
2802 echo "libfaac enabled ${libfaac-no}"
2803 echo "libgsm enabled ${libgsm-no}"
2804 echo "libmp3lame enabled ${libmp3lame-no}"
2805 echo "libnut enabled ${libnut-no}"
2806 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2807 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2808 echo "libopenjpeg enabled ${libopenjpeg-no}"
2809 echo "librtmp enabled ${librtmp-no}"
2810 echo "libschroedinger enabled ${libschroedinger-no}"
2811 echo "libspeex enabled ${libspeex-no}"
2812 echo "libtheora enabled ${libtheora-no}"
2813 echo "libvorbis enabled ${libvorbis-no}"
2814 echo "libvpx enabled ${libvpx-no}"
2815 echo "libx264 enabled ${libx264-no}"
2816 echo "libxvid enabled ${libxvid-no}"
2817 echo "zlib enabled ${zlib-no}"
2818 echo "bzlib enabled ${bzlib-no}"
2819 echo
2820
2821 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2822 echo "Enabled ${type}s:"
2823 eval list=\$$(toupper $type)_LIST
2824 for part in $list; do
2825 enabled $part && echo ${part%_*}
2826 done | sort | pr -3 -t
2827 echo
2828 done
2829
2830 license="LGPL version 2.1 or later"
2831 if enabled nonfree; then
2832 license="nonfree and unredistributable"
2833 elif enabled gplv3; then
2834 license="GPL version 3 or later"
2835 elif enabled lgplv3; then
2836 license="LGPL version 3 or later"
2837 elif enabled gpl; then
2838 license="GPL version 2 or later"
2839 fi
2840
2841 echo "License: $license"
2842
2843 echo "Creating config.mak and config.h..."
2844
2845 # build tree in object directory if source path is different from current one
2846 if enabled source_path_used; then
2847 DIRS="
2848 doc
2849 libavcodec
2850 libavcodec/$arch
2851 libavdevice
2852 libavfilter
2853 libavformat
2854 libavutil
2855 libavutil/$arch
2856 libpostproc
2857 libswscale
2858 libswscale/$arch
2859 tests
2860 tools
2861 "
2862 FILES="
2863 Makefile
2864 common.mak
2865 subdir.mak
2866 doc/texi2pod.pl
2867 libavcodec/Makefile
2868 libavcodec/${arch}/Makefile
2869 libavdevice/Makefile
2870 libavfilter/Makefile
2871 libavformat/Makefile
2872 libavutil/Makefile
2873 libpostproc/Makefile
2874 libswscale/Makefile
2875 "
2876 map 'mkdir -p $v' $DIRS;
2877 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
2878 fi
2879
2880 enabled stripping || strip="echo skipping strip"
2881
2882 cat > config.mak <<EOF
2883 # Automatically generated by configure - do not modify!
2884 ifndef FFMPEG_CONFIG_MAK
2885 FFMPEG_CONFIG_MAK=1
2886 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2887 prefix=$prefix
2888 LIBDIR=\$(DESTDIR)$libdir
2889 SHLIBDIR=\$(DESTDIR)$shlibdir
2890 INCDIR=\$(DESTDIR)$incdir
2891 BINDIR=\$(DESTDIR)$bindir
2892 DATADIR=\$(DESTDIR)$datadir
2893 MANDIR=\$(DESTDIR)$mandir
2894 SRC_PATH="$source_path"
2895 SRC_PATH_BARE=$source_path
2896 BUILD_ROOT="$PWD"
2897 ARCH=$arch
2898 CC=$cc
2899 AS=$as
2900 LD=$ld
2901 DEPCC=$dep_cc
2902 YASM=$yasmexe
2903 YASMDEP=$yasmexe
2904 AR=$ar
2905 RANLIB=$ranlib
2906 CP=cp -p
2907 LN_S=$ln_s
2908 STRIP=$strip
2909 CPPFLAGS=$CPPFLAGS
2910 CFLAGS=$CFLAGS
2911 ASFLAGS=$ASFLAGS
2912 CC_O=$CC_O
2913 LDFLAGS=$LDFLAGS
2914 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2915 SHFLAGS=$SHFLAGS
2916 YASMFLAGS=$YASMFLAGS
2917 BUILDSUF=$build_suffix
2918 FULLNAME=$FULLNAME
2919 LIBPREF=$LIBPREF
2920 LIBSUF=$LIBSUF
2921 LIBNAME=$LIBNAME
2922 SLIBPREF=$SLIBPREF
2923 SLIBSUF=$SLIBSUF
2924 EXESUF=$EXESUF
2925 EXTRA_VERSION=$extra_version
2926 DEPFLAGS=$DEPFLAGS
2927 CCDEP=$CCDEP
2928 ASDEP=$ASDEP
2929 CC_DEPFLAGS=$CC_DEPFLAGS
2930 AS_DEPFLAGS=$AS_DEPFLAGS
2931 HOSTCC=$host_cc
2932 HOSTCFLAGS=$host_cflags
2933 HOSTEXESUF=$HOSTEXESUF
2934 HOSTLDFLAGS=$host_ldflags
2935 HOSTLIBS=$host_libs
2936 TARGET_EXEC=$target_exec
2937 TARGET_PATH=$target_path
2938 SDL_LIBS=$sdl_libs
2939 SDL_CFLAGS=$sdl_cflags
2940 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2941 EXTRALIBS=$extralibs
2942 INSTALL=install
2943 LIBTARGET=${LIBTARGET}
2944 SLIBNAME=${SLIBNAME}
2945 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2946 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2947 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2948 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2949 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2950 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2951 SAMPLES=$samples
2952 EOF
2953
2954 get_version(){
2955 name=$1
2956 file=$source_path/$2
2957 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2958 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2959 lcname=$(tolower $name)
2960 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2961 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2962 }
2963
2964 get_version LIBSWSCALE libswscale/swscale.h
2965 get_version LIBPOSTPROC libpostproc/postprocess.h
2966 get_version LIBAVCODEC libavcodec/avcodec.h
2967 get_version LIBAVDEVICE libavdevice/avdevice.h
2968 get_version LIBAVFORMAT libavformat/avformat.h
2969 get_version LIBAVUTIL libavutil/avutil.h
2970 get_version LIBAVFILTER libavfilter/avfilter.h
2971
2972 cat > $TMPH <<EOF
2973 /* Automatically generated by configure - do not modify! */
2974 #ifndef FFMPEG_CONFIG_H
2975 #define FFMPEG_CONFIG_H
2976 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
2977 #define FFMPEG_LICENSE "$(c_escape $license)"
2978 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2979 #define CC_TYPE "$cc_type"
2980 #define CC_VERSION $cc_version
2981 #define restrict $_restrict
2982 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
2983 #define EXTERN_PREFIX "${extern_prefix}"
2984 #define EXTERN_ASM ${extern_prefix}
2985 EOF
2986
2987 test -n "$malloc_prefix" &&
2988 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
2989
2990 if enabled small || disabled optimizations; then
2991 echo "#undef av_always_inline" >> $TMPH
2992 echo "#define av_always_inline" >> $TMPH
2993 fi
2994
2995 print_config ARCH_ $TMPH config.mak $ARCH_LIST
2996 print_config HAVE_ $TMPH config.mak $HAVE_LIST
2997 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
2998 $CONFIG_EXTRA \
2999 $DECODER_LIST \
3000 $ENCODER_LIST \
3001 $HWACCEL_LIST \
3002 $PARSER_LIST \
3003 $BSF_LIST \
3004 $DEMUXER_LIST \
3005 $MUXER_LIST \
3006 $FILTER_LIST \
3007 $PROTOCOL_LIST \
3008 $INDEV_LIST \
3009 $OUTDEV_LIST \
3010
3011 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3012 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3013
3014 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3015 cp_if_changed $TMPH config.h
3016
3017 cat > $TMPH <<EOF
3018 /* Generated by ffconf */
3019 #ifndef AVUTIL_AVCONFIG_H
3020 #define AVUTIL_AVCONFIG_H
3021 EOF
3022
3023 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3024
3025 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3026
3027 cp_if_changed $TMPH libavutil/avconfig.h
3028
3029 test -n "$WARNINGS" && printf "\n$WARNINGS"
3030
3031 # build pkg-config files
3032
3033 pkgconfig_generate(){
3034 name=$1
3035 shortname=${name#lib}${build_suffix}
3036 comment=$2
3037 version=$3
3038 libs=$4
3039 requires=$5
3040 cat <<EOF > $name/$name.pc
3041 prefix=$prefix
3042 exec_prefix=\${prefix}
3043 libdir=$libdir
3044 includedir=$incdir
3045
3046 Name: $name
3047 Description: $comment
3048 Version: $version
3049 Requires: $(enabled shared || echo $requires)
3050 Requires.private: $(enabled shared && echo $requires)
3051 Conflicts:
3052 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3053 Libs.private: $(enabled shared && echo $libs)
3054 Cflags: -I\${includedir}
3055 EOF
3056 cat <<EOF > $name/$name-uninstalled.pc
3057 prefix=
3058 exec_prefix=
3059 libdir=\${pcfiledir}
3060 includedir=${source_path}
3061
3062 Name: $name
3063 Description: $comment
3064 Version: $version
3065 Requires: $requires
3066 Conflicts:
3067 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3068 Cflags: -I\${includedir}
3069 EOF
3070 }
3071
3072 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3073 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3074 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3075 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3076 enabled avfilter &&
3077 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3078 enabled postproc &&
3079 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3080 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"