configure: Make the smoothstreaming muxer enable the ismv muxer
[libav.git] / configure
... / ...
CommitLineData
1#!/bin/sh
2#
3# Libav 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.
11LC_ALL=C
12export LC_ALL
13
14# make sure we are running under a compatible shell
15# try to make this part work with most shells
16
17try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20}
21
22unset foo
23(: ${foo%%bar}) 2> /dev/null
24E1="$?"
25
26(: ${foo?}) 2> /dev/null
27E2="$?"
28
29if 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 LIBAV, 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 Libav."
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
55fi
56
57show_help(){
58 cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Help options:
63 --help print this message
64 --list-decoders show all available decoders
65 --list-encoders show all available encoders
66 --list-hwaccels show all available hardware accelerators
67 --list-demuxers show all available demuxers
68 --list-muxers show all available muxers
69 --list-parsers show all available parsers
70 --list-protocols show all available protocols
71 --list-bsfs show all available bitstream filters
72 --list-indevs show all available input devices
73 --list-outdevs show all available output devices
74 --list-filters show all available filters
75
76Standard options:
77 --logfile=FILE log tests and output to FILE [config.log]
78 --disable-logging do not log configure debug information
79 --prefix=PREFIX install in PREFIX [$prefix]
80 --bindir=DIR install binaries in DIR [PREFIX/bin]
81 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
82 --libdir=DIR install libs in DIR [PREFIX/lib]
83 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
84 --incdir=DIR install includes in DIR [PREFIX/include]
85 --mandir=DIR install man page in DIR [PREFIX/share/man]
86
87Licensing options:
88 --enable-gpl allow use of GPL code, the resulting libs
89 and binaries will be under GPL [no]
90 --enable-version3 upgrade (L)GPL to version 3 [no]
91 --enable-nonfree allow use of nonfree code, the resulting libs
92 and binaries will be unredistributable [no]
93
94Configuration options:
95 --disable-static do not build static libraries [no]
96 --enable-shared build shared libraries [no]
97 --enable-small optimize for size instead of speed
98 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101
102Component options:
103 --disable-doc do not build documentation
104 --disable-avconv disable avconv build
105 --disable-avplay disable avplay build
106 --disable-avprobe disable avprobe build
107 --disable-avserver disable avserver build
108 --disable-avdevice disable libavdevice build
109 --disable-avcodec disable libavcodec build
110 --disable-avformat disable libavformat build
111 --disable-swscale disable libswscale build
112 --disable-avfilter disable video filter support [no]
113 --disable-avresample disable libavresample build [no]
114 --disable-pthreads disable pthreads [auto]
115 --disable-w32threads disable Win32 threads [auto]
116 --enable-x11grab enable X11 grabbing [no]
117 --disable-network disable network support [no]
118 --disable-dct disable DCT code
119 --disable-dwt disable DWT code
120 --disable-lsp disable LSP code
121 --disable-mdct disable MDCT code
122 --disable-rdft disable RDFT code
123 --disable-fft disable FFT code
124 --enable-dxva2 enable DXVA2 code
125 --enable-vaapi enable VAAPI code
126 --enable-vda enable VDA code
127 --enable-vdpau enable VDPAU code
128
129Individual component options:
130 --disable-everything disable all components listed below
131 --disable-encoder=NAME disable encoder NAME
132 --enable-encoder=NAME enable encoder NAME
133 --disable-encoders disable all encoders
134 --disable-decoder=NAME disable decoder NAME
135 --enable-decoder=NAME enable decoder NAME
136 --disable-decoders disable all decoders
137 --disable-hwaccel=NAME disable hwaccel NAME
138 --enable-hwaccel=NAME enable hwaccel NAME
139 --disable-hwaccels disable all hwaccels
140 --disable-muxer=NAME disable muxer NAME
141 --enable-muxer=NAME enable muxer NAME
142 --disable-muxers disable all muxers
143 --disable-demuxer=NAME disable demuxer NAME
144 --enable-demuxer=NAME enable demuxer NAME
145 --disable-demuxers disable all demuxers
146 --enable-parser=NAME enable parser NAME
147 --disable-parser=NAME disable parser NAME
148 --disable-parsers disable all parsers
149 --enable-bsf=NAME enable bitstream filter NAME
150 --disable-bsf=NAME disable bitstream filter NAME
151 --disable-bsfs disable all bitstream filters
152 --enable-protocol=NAME enable protocol NAME
153 --disable-protocol=NAME disable protocol NAME
154 --disable-protocols disable all protocols
155 --enable-indev=NAME enable input device NAME
156 --disable-indev=NAME disable input device NAME
157 --disable-indevs disable input devices
158 --enable-outdev=NAME enable output device NAME
159 --disable-outdev=NAME disable output device NAME
160 --disable-outdevs disable output devices
161 --disable-devices disable all devices
162 --enable-filter=NAME enable filter NAME
163 --disable-filter=NAME disable filter NAME
164 --disable-filters disable all filters
165
166External library support:
167 --enable-avisynth enable reading of AVISynth script files [no]
168 --enable-bzlib enable bzlib [autodetect]
169 --enable-frei0r enable frei0r video filtering
170 --enable-gnutls enable gnutls [no]
171 --enable-libcdio enable audio CD grabbing with libcdio
172 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
173 and libraw1394 [no]
174 --enable-libfaac enable AAC encoding via libfaac [no]
175 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
176 --enable-libfreetype enable libfreetype [no]
177 --enable-libgsm enable GSM de/encoding via libgsm [no]
178 --enable-libilbc enable iLBC de/encoding via libilbc [no]
179 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
180 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
181 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
182 --enable-libopencv enable video filtering via libopencv [no]
183 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
184 --enable-libpulse enable Pulseaudio input via libpulse [no]
185 --enable-librtmp enable RTMP[E] support via librtmp [no]
186 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
187 --enable-libspeex enable Speex de/encoding via libspeex [no]
188 --enable-libtheora enable Theora encoding via libtheora [no]
189 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
190 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
191 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
192 --enable-libvpx enable VP8 de/encoding via libvpx [no]
193 --enable-libx264 enable H.264 encoding via x264 [no]
194 --enable-libxavs enable AVS encoding via xavs [no]
195 --enable-libxvid enable Xvid encoding via xvidcore,
196 native MPEG-4/Xvid encoder exists [no]
197 --enable-openssl enable openssl [no]
198 --enable-zlib enable zlib [autodetect]
199
200Advanced options (experts only):
201 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
202 --enable-cross-compile assume a cross-compiler is used
203 --sysroot=PATH root of cross-build tree
204 --sysinclude=PATH location of cross-build system headers
205 --target-os=OS compiler targets OS [$target_os]
206 --target-exec=CMD command to run executables on target
207 --target-path=DIR path to view of build directory on target
208 --nm=NM use nm tool
209 --ar=AR use archive tool AR [$ar_default]
210 --as=AS use assembler AS [$as_default]
211 --cc=CC use C compiler CC [$cc_default]
212 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
213 --ld=LD use linker LD
214 --host-cc=HOSTCC use host C compiler HOSTCC
215 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
216 --host-ld=HOSTLD use host linker HOSTLD
217 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
218 --host-libs=HLIBS use libs HLIBS when linking for host
219 --host-os=OS compiler host OS [$target_os]
220 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
221 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
222 --extra-libs=ELIBS add ELIBS [$ELIBS]
223 --extra-version=STRING version string suffix []
224 --optflags=OPTFLAGS override optimization-related compiler flags
225 --build-suffix=SUFFIX library name suffix []
226 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
227 --arch=ARCH select architecture [$arch]
228 --cpu=CPU select the minimum required CPU (affects
229 instruction selection, may crash on older CPUs)
230 --enable-pic build position-independent code
231 --enable-sram allow use of on-chip SRAM
232 --enable-thumb compile for Thumb instruction set
233 --disable-symver disable symbol versioning
234 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
235 --disable-safe-bitstream-reader
236 disable buffer boundary checking in bitreaders
237 (faster, but may crash)
238 --enable-memalign-hack emulate memalign, interferes with memory debuggers
239
240Optimization options (experts only):
241 --disable-asm disable all assembler optimizations
242 --disable-altivec disable AltiVec optimizations
243 --disable-amd3dnow disable 3DNow! optimizations
244 --disable-amd3dnowext disable 3DNow! extended optimizations
245 --disable-mmx disable MMX optimizations
246 --disable-mmxext disable MMXEXT optimizations
247 --disable-sse disable SSE optimizations
248 --disable-sse2 disable SSE2 optimizations
249 --disable-sse3 disable SSE3 optimizations
250 --disable-ssse3 disable SSSE3 optimizations
251 --disable-sse4 disable SSE4 optimizations
252 --disable-sse42 disable SSE4.2 optimizations
253 --disable-avx disable AVX optimizations
254 --disable-fma4 disable FMA4 optimizations
255 --disable-armv5te disable armv5te optimizations
256 --disable-armv6 disable armv6 optimizations
257 --disable-armv6t2 disable armv6t2 optimizations
258 --disable-armvfp disable ARM VFP optimizations
259 --disable-mmi disable MMI optimizations
260 --disable-neon disable NEON optimizations
261 --disable-vis disable VIS optimizations
262 --disable-inline-asm disable use of inline assembler
263 --disable-yasm disable use of yasm assembler
264
265Developer options (useful when working on Libav itself):
266 --disable-debug disable debugging symbols
267 --enable-debug=LEVEL set the debug level [$debuglevel]
268 --disable-optimizations disable compiler optimizations
269 --enable-extra-warnings enable more compiler warnings
270 --samples=PATH location of test samples for FATE, if not set use
271 \$LIBAV_SAMPLES at make invocation time.
272 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
273 should be used only for debugging purposes)
274 --enable-random randomly enable/disable components
275 --disable-random
276 --enable-random=LIST randomly enable/disable specific components or
277 --disable-random=LIST component groups. LIST is a comma-separated list
278 of NAME[:PROB] entries where NAME is a component
279 (group) and PROB the probability associated with
280 NAME (default 0.5).
281 --random-seed=VALUE seed value for --enable/disable-random
282
283NOTE: Object files are built at the place where configure is launched.
284EOF
285 exit 0
286}
287
288quotes='""'
289
290log(){
291 echo "$@" >> $logfile
292}
293
294log_file(){
295 log BEGIN $1
296 pr -n -t $1 >> $logfile
297 log END $1
298}
299
300echolog(){
301 log "$@"
302 echo "$@"
303}
304
305warn(){
306 log "WARNING: $*"
307 WARNINGS="${WARNINGS}WARNING: $*\n"
308}
309
310die(){
311 echolog "$@"
312 cat <<EOF
313
314If you think configure made a mistake, make sure you are using the latest
315version from Git. If the latest version fails, report the problem to the
316libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
317EOF
318 if disabled logging; then
319 cat <<EOF
320Rerun configure with logging enabled (do not use --disable-logging), and
321include the log this produces with your report.
322EOF
323 else
324 cat <<EOF
325Include the log file "$logfile" produced by configure as this will help
326solving the problem.
327EOF
328 fi
329 exit 1
330}
331
332# Avoid locale weirdness, besides we really just want to translate ASCII.
333toupper(){
334 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
335}
336
337tolower(){
338 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
339}
340
341c_escape(){
342 echo "$*" | sed 's/["\\]/\\\0/g'
343}
344
345sh_quote(){
346 v=$(echo "$1" | sed "s/'/'\\\\''/g")
347 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
348 echo "$v"
349}
350
351cleanws(){
352 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
353}
354
355filter(){
356 pat=$1
357 shift
358 for v; do
359 eval "case $v in $pat) echo $v ;; esac"
360 done
361}
362
363filter_out(){
364 pat=$1
365 shift
366 for v; do
367 eval "case $v in $pat) ;; *) echo $v ;; esac"
368 done
369}
370
371map(){
372 m=$1
373 shift
374 for v; do eval $m; done
375}
376
377add_suffix(){
378 suffix=$1
379 shift
380 for v; do echo ${v}${suffix}; done
381}
382
383set_all(){
384 value=$1
385 shift
386 for var in $*; do
387 eval $var=$value
388 done
389}
390
391set_weak(){
392 value=$1
393 shift
394 for var; do
395 eval : \${$var:=$value}
396 done
397}
398
399set_safe(){
400 var=$1
401 shift
402 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
403}
404
405get_safe(){
406 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
407}
408
409pushvar(){
410 for var in $*; do
411 eval level=\${${var}_level:=0}
412 eval ${var}_${level}="\$$var"
413 eval ${var}_level=$(($level+1))
414 done
415}
416
417popvar(){
418 for var in $*; do
419 eval level=\${${var}_level:-0}
420 test $level = 0 && continue
421 eval level=$(($level-1))
422 eval $var="\${${var}_${level}}"
423 eval ${var}_level=$level
424 eval unset ${var}_${level}
425 done
426}
427
428enable(){
429 set_all yes $*
430}
431
432disable(){
433 set_all no $*
434}
435
436enable_weak(){
437 set_weak yes $*
438}
439
440disable_weak(){
441 set_weak no $*
442}
443
444enable_safe(){
445 for var; do
446 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
447 done
448}
449
450disable_safe(){
451 for var; do
452 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
453 done
454}
455
456do_enable_deep(){
457 for var; do
458 enabled $var && continue
459 eval sel="\$${var}_select"
460 eval sgs="\$${var}_suggest"
461 pushvar var sgs
462 enable_deep $sel
463 popvar sgs
464 enable_deep_weak $sgs
465 popvar var
466 done
467}
468
469enable_deep(){
470 do_enable_deep $*
471 enable $*
472}
473
474enable_deep_weak(){
475 do_enable_deep $*
476 enable_weak $*
477}
478
479enabled(){
480 test "${1#!}" = "$1" && op== || op=!=
481 eval test "x\$${1#!}" $op "xyes"
482}
483
484disabled(){
485 test "${1#!}" = "$1" && op== || op=!=
486 eval test "x\$${1#!}" $op "xno"
487}
488
489enabled_all(){
490 for opt; do
491 enabled $opt || return 1
492 done
493}
494
495disabled_all(){
496 for opt; do
497 disabled $opt || return 1
498 done
499}
500
501enabled_any(){
502 for opt; do
503 enabled $opt && return 0
504 done
505}
506
507disabled_any(){
508 for opt; do
509 disabled $opt && return 0
510 done
511 return 1
512}
513
514set_default(){
515 for opt; do
516 eval : \${$opt:=\$${opt}_default}
517 done
518}
519
520is_in(){
521 value=$1
522 shift
523 for var in $*; do
524 [ $var = $value ] && return 0
525 done
526 return 1
527}
528
529check_deps(){
530 for cfg; do
531 cfg="${cfg#!}"
532 enabled ${cfg}_checking && die "Circular dependency for $cfg."
533 disabled ${cfg}_checking && continue
534 enable ${cfg}_checking
535
536 eval dep_all="\$${cfg}_deps"
537 eval dep_any="\$${cfg}_deps_any"
538 eval dep_sel="\$${cfg}_select"
539 eval dep_sgs="\$${cfg}_suggest"
540 eval dep_ifa="\$${cfg}_if"
541 eval dep_ifn="\$${cfg}_if_any"
542
543 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
544 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
545 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
546
547 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
548 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
549 enabled_all $dep_all || disable $cfg
550 enabled_any $dep_any || disable $cfg
551 disabled_any $dep_sel && disable $cfg
552
553 if enabled $cfg; then
554 eval dep_extralibs="\$${cfg}_extralibs"
555 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
556 enable_deep $dep_sel
557 enable_deep_weak $dep_sgs
558 fi
559
560 disable ${cfg}_checking
561 done
562}
563
564print_config_h(){
565 enabled $1 && v=1 || v=0
566 echo "#define $2 $v"
567}
568
569print_config_mak(){
570 enabled $1 && v= || v=!
571 echo "$v$2=yes"
572}
573
574print_config_asm(){
575 enabled $1 && v=1 || v=0
576 echo "%define $2 $v"
577}
578
579print_config(){
580 pfx=$1
581 files=$2
582 shift 2
583 for cfg; do
584 ucname="$(toupper $cfg)"
585 for f in $files; do
586 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
587 done
588 done
589}
590
591print_enabled(){
592 test "$1" = -n && end=" " && shift || end="\n"
593 suf=$1
594 shift
595 for v; do
596 enabled $v && printf "%s$end" ${v%$suf};
597 done
598}
599
600append(){
601 var=$1
602 shift
603 eval "$var=\"\$$var $*\""
604}
605
606prepend(){
607 var=$1
608 shift
609 eval "$var=\"$* \$$var\""
610}
611
612add_cppflags(){
613 append CPPFLAGS "$@"
614}
615
616add_cflags(){
617 append CFLAGS $($cflags_filter "$@")
618}
619
620add_asflags(){
621 append ASFLAGS $($asflags_filter "$@")
622}
623
624add_ldflags(){
625 append LDFLAGS $($ldflags_filter "$@")
626}
627
628add_extralibs(){
629 prepend extralibs $($ldflags_filter "$@")
630}
631
632add_host_cflags(){
633 append host_cflags $($host_cflags_filter "$@")
634}
635
636add_host_ldflags(){
637 append host_ldflags $($host_ldflags_filter "$@")
638}
639
640check_cmd(){
641 log "$@"
642 "$@" >> $logfile 2>&1
643}
644
645cc_o(){
646 eval printf '%s\\n' $CC_O
647}
648
649cc_e(){
650 eval printf '%s\\n' $CC_E
651}
652
653check_cc(){
654 log check_cc "$@"
655 cat > $TMPC
656 log_file $TMPC
657 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
658}
659
660check_cpp(){
661 log check_cpp "$@"
662 cat > $TMPC
663 log_file $TMPC
664 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
665}
666
667as_o(){
668 eval printf '%s\\n' $AS_O
669}
670
671check_as(){
672 log check_as "$@"
673 cat > $TMPC
674 log_file $TMPC
675 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPC
676}
677
678check_inline_asm(){
679 log check_inline_asm "$@"
680 name="$1"
681 code="$2"
682 shift 2
683 disable $name
684 check_as "$@" <<EOF && enable $name
685void foo(void){ __asm__ volatile($code); }
686EOF
687}
688
689check_yasm(){
690 log check_yasm "$@"
691 echo "$1" > $TMPS
692 log_file $TMPS
693 shift 1
694 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
695}
696
697ld_o(){
698 eval printf '%s\\n' $LD_O
699}
700
701check_ld(){
702 log check_ld "$@"
703 flags=''
704 libs=''
705 for f; do
706 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
707 done
708 check_cc $($cflags_filter $flags) || return
709 flags=$($ldflags_filter $flags)
710 libs=$($ldflags_filter $libs)
711 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
712}
713
714check_code(){
715 log check_code "$@"
716 check=$1
717 headers=$2
718 code=$3
719 shift 3
720 {
721 for hdr in $headers; do
722 echo "#include <$hdr>"
723 done
724 echo "int main(void) { $code; return 0; }"
725 } | check_$check "$@"
726}
727
728check_cppflags(){
729 log check_cppflags "$@"
730 check_cc "$@" <<EOF && append CPPFLAGS "$@"
731int x;
732EOF
733}
734
735check_cflags(){
736 log check_cflags "$@"
737 set -- $($cflags_filter "$@")
738 check_cc "$@" <<EOF && append CFLAGS "$@"
739int x;
740EOF
741}
742
743test_ldflags(){
744 log test_ldflags "$@"
745 check_ld "$@" <<EOF
746int main(void){ return 0; }
747EOF
748}
749
750check_ldflags(){
751 log check_ldflags "$@"
752 test_ldflags "$@" && add_ldflags "$@"
753}
754
755check_header(){
756 log check_header "$@"
757 header=$1
758 shift
759 disable_safe $header
760 check_cpp "$@" <<EOF && enable_safe $header
761#include <$header>
762int x;
763EOF
764}
765
766check_func(){
767 log check_func "$@"
768 func=$1
769 shift
770 disable $func
771 check_ld "$@" <<EOF && enable $func
772extern int $func();
773int main(void){ $func(); }
774EOF
775}
776
777check_mathfunc(){
778 log check_mathfunc "$@"
779 func=$1
780 shift
781 disable $func
782 check_ld "$@" <<EOF && enable $func
783#include <math.h>
784float foo(float f) { return $func(f); }
785int main(void){ return 0; }
786EOF
787}
788
789check_func_headers(){
790 log check_func_headers "$@"
791 headers=$1
792 funcs=$2
793 shift 2
794 {
795 for hdr in $headers; do
796 echo "#include <$hdr>"
797 done
798 for func in $funcs; do
799 echo "long check_$func(void) { return (long) $func; }"
800 done
801 echo "int main(void) { return 0; }"
802 } | check_ld "$@" && enable $funcs && enable_safe $headers
803}
804
805check_cpp_condition(){
806 log check_cpp_condition "$@"
807 header=$1
808 condition=$2
809 shift 2
810 check_cpp "$@" <<EOF
811#include <$header>
812#if !($condition)
813#error "unsatisfied condition: $condition"
814#endif
815EOF
816}
817
818check_lib(){
819 log check_lib "$@"
820 header="$1"
821 func="$2"
822 shift 2
823 check_header $header && check_func $func "$@" && add_extralibs "$@"
824}
825
826check_lib2(){
827 log check_lib2 "$@"
828 headers="$1"
829 funcs="$2"
830 shift 2
831 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
832}
833
834check_pkg_config(){
835 log check_pkg_config "$@"
836 pkg="$1"
837 headers="$2"
838 funcs="$3"
839 shift 3
840 $pkg_config --exists $pkg || return
841 pkg_cflags=$($pkg_config --cflags $pkg)
842 pkg_libs=$($pkg_config --libs $pkg)
843 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
844 set_safe ${pkg}_cflags $pkg_cflags &&
845 set_safe ${pkg}_libs $pkg_libs
846}
847
848check_exec(){
849 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
850}
851
852check_exec_crash(){
853 code=$(cat)
854
855 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
856 # are safe but may not be available everywhere. Thus we use
857 # raise(SIGTERM) instead. The check is run in a subshell so we
858 # can redirect the "Terminated" message from the shell. SIGBUS
859 # is not defined by standard C so it is used conditionally.
860
861 (check_exec "$@") >> $logfile 2>&1 <<EOF
862#include <signal.h>
863static void sighandler(int sig){
864 raise(SIGTERM);
865}
866int foo(void){
867 $code
868}
869int main(void){
870 signal(SIGILL, sighandler);
871 signal(SIGFPE, sighandler);
872 signal(SIGSEGV, sighandler);
873#ifdef SIGBUS
874 signal(SIGBUS, sighandler);
875#endif
876 foo();
877}
878EOF
879}
880
881check_type(){
882 log check_type "$@"
883 headers=$1
884 type=$2
885 shift 2
886 disable_safe "$type"
887 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
888}
889
890check_struct(){
891 log check_type "$@"
892 headers=$1
893 struct=$2
894 member=$3
895 shift 3
896 disable_safe "${struct}_${member}"
897 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
898 enable_safe "${struct}_${member}"
899}
900
901require(){
902 name="$1"
903 header="$2"
904 func="$3"
905 shift 3
906 check_lib $header $func "$@" || die "ERROR: $name not found"
907}
908
909require2(){
910 name="$1"
911 headers="$2"
912 func="$3"
913 shift 3
914 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
915}
916
917require_pkg_config(){
918 pkg="$1"
919 check_pkg_config "$@" || die "ERROR: $pkg not found"
920 add_cflags $(get_safe ${pkg}_cflags)
921 add_extralibs $(get_safe ${pkg}_libs)
922}
923
924hostcc_o(){
925 eval printf '%s\\n' $HOSTCC_O
926}
927
928check_host_cc(){
929 log check_host_cc "$@"
930 cat > $TMPC
931 log_file $TMPC
932 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
933}
934
935check_host_cflags(){
936 log check_host_cflags "$@"
937 set -- $($host_cflags_filter "$@")
938 check_host_cc "$@" <<EOF && append host_cflags "$@"
939int x;
940EOF
941}
942
943apply(){
944 file=$1
945 shift
946 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
947}
948
949cp_if_changed(){
950 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
951 mkdir -p "$(dirname $2)"
952 cp -f "$1" "$2"
953}
954
955# CONFIG_LIST contains configurable options, while HAVE_LIST is for
956# system-dependent things.
957
958COMPONENT_LIST="
959 bsfs
960 decoders
961 demuxers
962 encoders
963 filters
964 hwaccels
965 indevs
966 muxers
967 outdevs
968 parsers
969 protocols
970"
971
972PROGRAM_LIST="
973 avconv
974 avplay
975 avprobe
976 avserver
977"
978
979CONFIG_LIST="
980 $COMPONENT_LIST
981 $PROGRAM_LIST
982 avcodec
983 avdevice
984 avfilter
985 avformat
986 avresample
987 avisynth
988 bzlib
989 dct
990 doc
991 dwt
992 dxva2
993 fft
994 frei0r
995 gnutls
996 gpl
997 gray
998 hardcoded_tables
999 libcdio
1000 libdc1394
1001 libfaac
1002 libfdk_aac
1003 libfreetype
1004 libgsm
1005 libilbc
1006 libmp3lame
1007 libopencore_amrnb
1008 libopencore_amrwb
1009 libopencv
1010 libopenjpeg
1011 libpulse
1012 librtmp
1013 libschroedinger
1014 libspeex
1015 libtheora
1016 libvo_aacenc
1017 libvo_amrwbenc
1018 libvorbis
1019 libvpx
1020 libx264
1021 libxavs
1022 libxvid
1023 lsp
1024 mdct
1025 memalign_hack
1026 network
1027 nonfree
1028 openssl
1029 pic
1030 rdft
1031 runtime_cpudetect
1032 safe_bitstream_reader
1033 shared
1034 small
1035 sram
1036 static
1037 swscale
1038 swscale_alpha
1039 thumb
1040 vaapi
1041 vda
1042 vdpau
1043 version3
1044 xmm_clobber_test
1045 x11grab
1046 zlib
1047"
1048
1049THREADS_LIST='
1050 pthreads
1051 w32threads
1052'
1053
1054ARCH_LIST='
1055 alpha
1056 arm
1057 avr32
1058 avr32_ap
1059 avr32_uc
1060 bfin
1061 ia64
1062 m68k
1063 mips
1064 mips64
1065 parisc
1066 ppc
1067 ppc64
1068 s390
1069 sh4
1070 sparc
1071 sparc64
1072 tomi
1073 x86
1074 x86_32
1075 x86_64
1076'
1077
1078ARCH_EXT_LIST_X86='
1079 amd3dnow
1080 amd3dnowext
1081 avx
1082 fma4
1083 mmx
1084 mmxext
1085 sse
1086 sse2
1087 sse3
1088 sse4
1089 sse42
1090 ssse3
1091'
1092
1093ARCH_EXT_LIST="
1094 $ARCH_EXT_LIST_X86
1095 altivec
1096 armv5te
1097 armv6
1098 armv6t2
1099 armvfp
1100 mmi
1101 neon
1102 ppc4xx
1103 vfpv3
1104 vis
1105"
1106
1107HAVE_LIST_PUB='
1108 bigendian
1109 fast_unaligned
1110'
1111
1112HAVE_LIST="
1113 $ARCH_EXT_LIST
1114 $(add_suffix _external $ARCH_EXT_LIST)
1115 $(add_suffix _inline $ARCH_EXT_LIST)
1116 $HAVE_LIST_PUB
1117 $THREADS_LIST
1118 aligned_malloc
1119 aligned_stack
1120 alsa_asoundlib_h
1121 altivec_h
1122 arpa_inet_h
1123 asm_mod_q
1124 asm_mod_y
1125 attribute_may_alias
1126 attribute_packed
1127 cbrtf
1128 closesocket
1129 cmov
1130 cpuid
1131 cpunop
1132 dcbzl
1133 dev_bktr_ioctl_bt848_h
1134 dev_bktr_ioctl_meteor_h
1135 dev_ic_bt8xx_h
1136 dev_video_bktr_ioctl_bt848_h
1137 dev_video_meteor_ioctl_meteor_h
1138 direct_h
1139 dlfcn_h
1140 dlopen
1141 dos_paths
1142 dxva_h
1143 ebp_available
1144 ebx_available
1145 exp2
1146 exp2f
1147 fast_64bit
1148 fast_clz
1149 fast_cmov
1150 fcntl
1151 fork
1152 getaddrinfo
1153 gethrtime
1154 getopt
1155 GetProcessAffinityMask
1156 GetProcessMemoryInfo
1157 GetProcessTimes
1158 GetSystemTimeAsFileTime
1159 getrusage
1160 gettimeofday
1161 gnu_as
1162 ibm_asm
1163 inet_aton
1164 inline_asm
1165 io_h
1166 isatty
1167 isinf
1168 isnan
1169 jack_port_get_latency_range
1170 ldbrx
1171 libdc1394_1
1172 libdc1394_2
1173 llrint
1174 llrintf
1175 local_aligned_16
1176 local_aligned_8
1177 localtime_r
1178 log2
1179 log2f
1180 loongson
1181 lrint
1182 lrintf
1183 machine_ioctl_bt848_h
1184 machine_ioctl_meteor_h
1185 malloc_h
1186 MapViewOfFile
1187 memalign
1188 mkstemp
1189 mm_empty
1190 mmap
1191 msvcrt
1192 nanosleep
1193 poll_h
1194 posix_memalign
1195 rdtsc
1196 rint
1197 round
1198 roundf
1199 rweflags
1200 sched_getaffinity
1201 sdl
1202 sdl_video_size
1203 setmode
1204 setrlimit
1205 Sleep
1206 sndio_h
1207 socklen_t
1208 soundcard_h
1209 strerror_r
1210 strptime
1211 strtok_r
1212 struct_addrinfo
1213 struct_group_source_req
1214 struct_ip_mreq_source
1215 struct_ipv6_mreq
1216 struct_pollfd
1217 struct_rusage_ru_maxrss
1218 struct_sockaddr_in6
1219 struct_sockaddr_sa_len
1220 struct_sockaddr_storage
1221 struct_v4l2_frmivalenum_discrete
1222 symver
1223 symver_asm_label
1224 symver_gnu_asm
1225 sysconf
1226 sysctl
1227 sys_mman_h
1228 sys_param_h
1229 sys_resource_h
1230 sys_select_h
1231 sys_soundcard_h
1232 sys_time_h
1233 sys_videoio_h
1234 threads
1235 trunc
1236 truncf
1237 unistd_h
1238 usleep
1239 vfp_args
1240 VirtualAlloc
1241 windows_h
1242 winsock2_h
1243 xform_asm
1244 xgetbv
1245 xmm_clobbers
1246 yasm
1247"
1248
1249# options emitted with CONFIG_ prefix but not available on command line
1250CONFIG_EXTRA="
1251 aandcttables
1252 ac3dsp
1253 avutil
1254 error_resilience
1255 gcrypt
1256 golomb
1257 gplv3
1258 h264chroma
1259 h264dsp
1260 h264pred
1261 h264qpel
1262 huffman
1263 lgplv3
1264 lpc
1265 mpegaudiodsp
1266 mpegvideo
1267 mpegvideoenc
1268 nettle
1269 rangecoder
1270 rtpdec
1271 sinewin
1272 vp3dsp
1273"
1274
1275CMDLINE_SELECT="
1276 $ARCH_EXT_LIST
1277 $CONFIG_LIST
1278 $THREADS_LIST
1279 asm
1280 cross_compile
1281 debug
1282 extra_warnings
1283 inline_asm
1284 logging
1285 optimizations
1286 symver
1287 yasm
1288"
1289
1290PATHS_LIST='
1291 bindir
1292 datadir
1293 incdir
1294 libdir
1295 mandir
1296 prefix
1297 shlibdir
1298'
1299
1300CMDLINE_SET="
1301 $PATHS_LIST
1302 ar
1303 arch
1304 as
1305 build_suffix
1306 cc
1307 cpu
1308 cross_prefix
1309 dep_cc
1310 extra_version
1311 host_cc
1312 host_cflags
1313 host_ld
1314 host_ldflags
1315 host_libs
1316 host_os
1317 ld
1318 logfile
1319 malloc_prefix
1320 nm
1321 optflags
1322 pkg_config
1323 random_seed
1324 samples
1325 sysinclude
1326 sysroot
1327 target_exec
1328 target_os
1329 target_path
1330"
1331
1332CMDLINE_APPEND="
1333 extra_cflags
1334"
1335
1336# code dependency declarations
1337
1338# architecture extensions
1339
1340armv5te_deps="arm"
1341armv6_deps="arm"
1342armv6t2_deps="arm"
1343armvfp_deps="arm"
1344neon_deps="arm"
1345vfpv3_deps="armvfp"
1346
1347mmi_deps="mips"
1348
1349altivec_deps="ppc"
1350ppc4xx_deps="ppc"
1351
1352vis_deps="sparc"
1353
1354x86_64_suggest="cmov fast_cmov"
1355
1356amd3dnow_deps="mmx"
1357amd3dnowext_deps="amd3dnow"
1358mmx_deps="x86"
1359mmxext_deps="mmx"
1360sse_deps="mmxext"
1361sse2_deps="sse"
1362sse3_deps="sse2"
1363ssse3_deps="sse3"
1364sse4_deps="ssse3"
1365sse42_deps="sse4"
1366avx_deps="sse42"
1367fma4_deps="avx"
1368
1369mmx_external_deps="yasm"
1370mmx_inline_deps="inline_asm"
1371mmx_suggest="mmx_external mmx_inline"
1372
1373for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1374 eval dep=\$${ext}_deps
1375 eval ${ext}_external_deps='"${dep}_external"'
1376 eval ${ext}_inline_deps='"${dep}_inline"'
1377 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1378done
1379
1380aligned_stack_if_any="ppc x86"
1381fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1382fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1383fast_unaligned_if_any="armv6 ppc x86"
1384
1385inline_asm_deps="!tms470"
1386need_memalign="altivec neon sse"
1387
1388symver_if_any="symver_asm_label symver_gnu_asm"
1389
1390log2_deps="!msvcrt"
1391
1392# subsystems
1393dct_select="rdft"
1394mdct_select="fft"
1395rdft_select="fft"
1396mpegaudiodsp_select="dct"
1397mpegvideoenc_select="mpegvideo"
1398
1399# decoders / encoders / hardware accelerators
1400aac_decoder_select="mdct sinewin"
1401aac_encoder_select="mdct sinewin"
1402aac_latm_decoder_select="aac_decoder aac_latm_parser"
1403ac3_decoder_select="mdct ac3dsp ac3_parser"
1404ac3_encoder_select="mdct ac3dsp"
1405ac3_fixed_encoder_select="mdct ac3dsp"
1406alac_encoder_select="lpc"
1407amrnb_decoder_select="lsp"
1408amrwb_decoder_select="lsp"
1409atrac1_decoder_select="mdct sinewin"
1410atrac3_decoder_select="mdct"
1411binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1412binkaudio_rdft_decoder_select="mdct rdft sinewin"
1413cavs_decoder_select="golomb mpegvideo"
1414cook_decoder_select="mdct sinewin"
1415cscd_decoder_suggest="zlib"
1416dca_decoder_select="mdct"
1417dnxhd_encoder_select="aandcttables mpegvideoenc"
1418dxa_decoder_select="zlib"
1419eac3_decoder_select="ac3_decoder"
1420eac3_encoder_select="ac3_encoder"
1421eamad_decoder_select="aandcttables error_resilience mpegvideo"
1422eatgq_decoder_select="aandcttables"
1423eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1424ffv1_decoder_select="golomb rangecoder"
1425ffv1_encoder_select="rangecoder"
1426ffvhuff_encoder_select="huffman"
1427flac_decoder_select="golomb"
1428flac_encoder_select="golomb lpc"
1429flashsv_decoder_select="zlib"
1430flashsv_encoder_select="zlib"
1431flashsv2_decoder_select="zlib"
1432flv_decoder_select="h263_decoder"
1433flv_encoder_select="h263_encoder"
1434fraps_decoder_select="huffman"
1435h261_decoder_select="error_resilience mpegvideo"
1436h261_encoder_select="aandcttables mpegvideoenc"
1437h263_decoder_select="error_resilience h263_parser mpegvideo"
1438h263_encoder_select="aandcttables error_resilience mpegvideoenc"
1439h263_vaapi_hwaccel_select="vaapi h263_decoder"
1440h263i_decoder_select="h263_decoder"
1441h263p_encoder_select="h263_encoder"
1442h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1443h264_dxva2_hwaccel_deps="dxva2api_h"
1444h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1445h264_vaapi_hwaccel_select="vaapi h264_decoder"
1446h264_vda_hwaccel_select="vda h264_decoder"
1447h264_vdpau_decoder_select="vdpau h264_decoder"
1448huffyuv_encoder_select="huffman"
1449iac_decoder_select="fft mdct sinewin"
1450imc_decoder_select="fft mdct sinewin"
1451jpegls_decoder_select="golomb"
1452jpegls_encoder_select="golomb"
1453ljpeg_encoder_select="aandcttables mpegvideoenc"
1454loco_decoder_select="golomb"
1455mdec_decoder_select="error_resilience mpegvideo"
1456mjpeg_encoder_select="aandcttables mpegvideoenc"
1457mlp_decoder_select="mlp_parser"
1458mp1_decoder_select="mpegaudiodsp"
1459mp1float_decoder_select="mpegaudiodsp"
1460mp2_decoder_select="mpegaudiodsp"
1461mp2float_decoder_select="mpegaudiodsp"
1462mp3_decoder_select="mpegaudiodsp"
1463mp3adu_decoder_select="mpegaudiodsp"
1464mp3adufloat_decoder_select="mpegaudiodsp"
1465mp3float_decoder_select="mpegaudiodsp"
1466mp3on4_decoder_select="mpegaudiodsp"
1467mp3on4float_decoder_select="mpegaudiodsp"
1468mpc7_decoder_select="mpegaudiodsp"
1469mpc8_decoder_select="mpegaudiodsp"
1470mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1471mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1472mpeg_xvmc_decoder_select="mpegvideo_decoder"
1473mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1474mpeg1video_decoder_select="error_resilience mpegvideo"
1475mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
1476mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1477mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1478mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1479mpeg2video_decoder_select="error_resilience mpegvideo"
1480mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
1481mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1482mpeg4_encoder_select="h263_encoder"
1483mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1484mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1485msmpeg4v1_decoder_select="h263_decoder"
1486msmpeg4v1_encoder_select="h263_encoder"
1487msmpeg4v2_decoder_select="h263_decoder"
1488msmpeg4v2_encoder_select="h263_encoder"
1489msmpeg4v3_decoder_select="h263_decoder"
1490msmpeg4v3_encoder_select="h263_encoder"
1491mss2_decoder_select="vc1_decoder"
1492nellymoser_decoder_select="mdct sinewin"
1493nellymoser_encoder_select="mdct sinewin"
1494png_decoder_select="zlib"
1495png_encoder_select="zlib"
1496qcelp_decoder_select="lsp"
1497qdm2_decoder_select="mdct rdft mpegaudiodsp"
1498ra_144_encoder_select="lpc"
1499ralf_decoder_select="golomb"
1500rv10_decoder_select="h263_decoder"
1501rv10_encoder_select="h263_encoder"
1502rv20_decoder_select="h263_decoder"
1503rv20_encoder_select="h263_encoder"
1504rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1505rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1506shorten_decoder_select="golomb"
1507sipr_decoder_select="lsp"
1508snow_decoder_select="dwt rangecoder"
1509snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
1510svq1_decoder_select="error_resilience mpegvideo"
1511svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1512svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1513svq3_decoder_suggest="zlib"
1514theora_decoder_select="vp3_decoder"
1515tiff_decoder_suggest="zlib"
1516tiff_encoder_suggest="zlib"
1517truehd_decoder_select="mlp_decoder"
1518tscc_decoder_select="zlib"
1519twinvq_decoder_select="mdct lsp sinewin"
1520utvideo_encoder_select="huffman"
1521vc1_decoder_select="h263_decoder h264chroma h264qpel"
1522vc1_dxva2_hwaccel_deps="dxva2api_h"
1523vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1524vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1525vc1_vdpau_decoder_select="vdpau vc1_decoder"
1526vc1image_decoder_select="vc1_decoder"
1527vorbis_decoder_select="mdct"
1528vorbis_encoder_select="mdct"
1529vp3_decoder_select="vp3dsp"
1530vp5_decoder_select="vp3dsp"
1531vp6_decoder_select="huffman vp3dsp"
1532vp6a_decoder_select="vp6_decoder"
1533vp6f_decoder_select="vp6_decoder"
1534vp8_decoder_select="h264pred h264qpel"
1535wmapro_decoder_select="mdct sinewin"
1536wmav1_decoder_select="mdct sinewin"
1537wmav1_encoder_select="mdct sinewin"
1538wmav2_decoder_select="mdct sinewin"
1539wmav2_encoder_select="mdct sinewin"
1540wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1541wmv1_decoder_select="h263_decoder"
1542wmv1_encoder_select="h263_encoder"
1543wmv2_decoder_select="h263_decoder"
1544wmv2_encoder_select="h263_encoder"
1545wmv3_decoder_select="vc1_decoder"
1546wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1547wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1548wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1549wmv3image_decoder_select="wmv3_decoder"
1550zerocodec_decoder_select="zlib"
1551zlib_decoder_select="zlib"
1552zlib_encoder_select="zlib"
1553zmbv_decoder_select="zlib"
1554zmbv_encoder_select="zlib"
1555
1556vaapi_deps="va_va_h"
1557vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1558vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1559
1560# parsers
1561h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1562mpeg4video_parser_select="error_resilience mpegvideo"
1563mpegvideo_parser_select="error_resilience mpegvideo"
1564vc1_parser_select="error_resilience mpegvideo"
1565
1566# external libraries
1567libfaac_encoder_deps="libfaac"
1568libfdk_aac_encoder_deps="libfdk_aac"
1569libgsm_decoder_deps="libgsm"
1570libgsm_encoder_deps="libgsm"
1571libgsm_ms_decoder_deps="libgsm"
1572libgsm_ms_encoder_deps="libgsm"
1573libilbc_decoder_deps="libilbc"
1574libilbc_encoder_deps="libilbc"
1575libmp3lame_encoder_deps="libmp3lame"
1576libopencore_amrnb_decoder_deps="libopencore_amrnb"
1577libopencore_amrnb_encoder_deps="libopencore_amrnb"
1578libopencore_amrwb_decoder_deps="libopencore_amrwb"
1579libopenjpeg_decoder_deps="libopenjpeg"
1580libopenjpeg_encoder_deps="libopenjpeg"
1581libschroedinger_decoder_deps="libschroedinger"
1582libschroedinger_encoder_deps="libschroedinger"
1583libspeex_decoder_deps="libspeex"
1584libspeex_encoder_deps="libspeex"
1585libtheora_encoder_deps="libtheora"
1586libvo_aacenc_encoder_deps="libvo_aacenc"
1587libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1588libvorbis_encoder_deps="libvorbis"
1589libvpx_decoder_deps="libvpx"
1590libvpx_encoder_deps="libvpx"
1591libx264_encoder_deps="libx264"
1592libxavs_encoder_deps="libxavs"
1593libxvid_encoder_deps="libxvid"
1594
1595# demuxers / muxers
1596ac3_demuxer_select="ac3_parser"
1597asf_stream_muxer_select="asf_muxer"
1598avisynth_demuxer_deps="avisynth"
1599dirac_demuxer_select="dirac_parser"
1600eac3_demuxer_select="ac3_parser"
1601flac_demuxer_select="flac_parser"
1602ipod_muxer_select="mov_muxer"
1603matroska_audio_muxer_select="matroska_muxer"
1604matroska_demuxer_suggest="zlib bzlib"
1605mov_demuxer_suggest="zlib"
1606mp3_demuxer_select="mpegaudio_parser"
1607mp4_muxer_select="mov_muxer"
1608mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1609mpegtsraw_demuxer_select="mpegts_demuxer"
1610mxf_d10_muxer_select="mxf_muxer"
1611ogg_demuxer_select="golomb"
1612psp_muxer_select="mov_muxer"
1613rtp_demuxer_select="sdp_demuxer"
1614rtp_muxer_select="mpegvideo"
1615rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1616rtsp_demuxer_select="http_protocol rtpdec"
1617rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1618sap_demuxer_select="sdp_demuxer"
1619sap_muxer_select="rtp_muxer rtp_protocol"
1620sdp_demuxer_select="rtpdec"
1621smoothstreaming_muxer_select="ismv_muxer"
1622spdif_muxer_select="aac_parser"
1623tg2_muxer_select="mov_muxer"
1624tgp_muxer_select="mov_muxer"
1625w64_demuxer_deps="wav_demuxer"
1626
1627# indevs / outdevs
1628alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1629alsa_outdev_deps="alsa_asoundlib_h"
1630bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1631dv1394_indev_deps="dv1394 dv_demuxer"
1632fbdev_indev_deps="linux_fb_h"
1633jack_indev_deps="jack_jack_h"
1634libcdio_indev_deps="libcdio"
1635libdc1394_indev_deps="libdc1394"
1636oss_indev_deps_any="soundcard_h sys_soundcard_h"
1637oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1638pulse_indev_deps="libpulse"
1639sndio_indev_deps="sndio_h"
1640sndio_outdev_deps="sndio_h"
1641v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1642vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1643vfwcap_indev_extralibs="-lavicap32"
1644x11grab_indev_deps="x11grab XShmCreateImage"
1645
1646# protocols
1647ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1648ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1649ffrtmpcrypt_protocol_select="tcp_protocol"
1650ffrtmphttp_protocol_deps="!librtmp_protocol"
1651ffrtmphttp_protocol_select="http_protocol"
1652gopher_protocol_deps="network"
1653httpproxy_protocol_deps="network"
1654httpproxy_protocol_select="tcp_protocol"
1655http_protocol_deps="network"
1656http_protocol_select="tcp_protocol"
1657https_protocol_select="tls_protocol"
1658librtmp_protocol_deps="librtmp"
1659librtmpe_protocol_deps="librtmp"
1660librtmps_protocol_deps="librtmp"
1661librtmpt_protocol_deps="librtmp"
1662librtmpte_protocol_deps="librtmp"
1663mmsh_protocol_select="http_protocol"
1664mmst_protocol_deps="network"
1665rtmp_protocol_deps="!librtmp_protocol"
1666rtmp_protocol_select="tcp_protocol"
1667rtmpe_protocol_select="ffrtmpcrypt_protocol"
1668rtmps_protocol_deps="!librtmp_protocol"
1669rtmps_protocol_select="tls_protocol"
1670rtmpt_protocol_select="ffrtmphttp_protocol"
1671rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1672rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1673rtp_protocol_select="udp_protocol"
1674sctp_protocol_deps="network struct_sctp_event_subscribe"
1675tcp_protocol_deps="network"
1676tls_protocol_deps_any="openssl gnutls"
1677tls_protocol_select="tcp_protocol"
1678udp_protocol_deps="network"
1679
1680# filters
1681blackframe_filter_deps="gpl"
1682boxblur_filter_deps="gpl"
1683cropdetect_filter_deps="gpl"
1684delogo_filter_deps="gpl"
1685drawtext_filter_deps="libfreetype"
1686frei0r_filter_deps="frei0r dlopen strtok_r"
1687frei0r_filter_extralibs='$ldl'
1688frei0r_src_filter_deps="frei0r dlopen strtok_r"
1689frei0r_src_filter_extralibs='$ldl'
1690hqdn3d_filter_deps="gpl"
1691resample_filter_deps="avresample"
1692ocv_filter_deps="libopencv"
1693scale_filter_deps="swscale"
1694yadif_filter_deps="gpl"
1695
1696# libraries
1697avdevice_deps="avcodec avformat"
1698avformat_deps="avcodec"
1699
1700# programs
1701avconv_deps="avcodec avfilter avformat avresample swscale
1702 aformat_filter asyncts_filter
1703 format_filter fps_filter scale_filter setpts_filter"
1704avplay_deps="avcodec avformat swscale sdl"
1705avplay_select="rdft"
1706avprobe_deps="avcodec avformat"
1707avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1708avserver_extralibs='$ldl'
1709
1710doc_deps="texi2html"
1711
1712# tests
1713
1714mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1715seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1716
1717test_deps(){
1718 suf1=$1
1719 suf2=$2
1720 shift 2
1721 for v; do
1722 dep=${v%=*}
1723 tests=${v#*=}
1724 for name in ${tests}; do
1725 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1726 done
1727 done
1728}
1729
1730test_deps _muxer _demuxer \
1731 aiff \
1732 pcm_alaw=alaw \
1733 asf \
1734 au \
1735 avi \
1736 dv=dv_fmt \
1737 ffm \
1738 flv=flv_fmt \
1739 gxf \
1740 matroska=mkv \
1741 mmf \
1742 mov \
1743 pcm_mulaw=mulaw \
1744 mxf="mxf mxf_d10" \
1745 nut \
1746 ogg \
1747 rawvideo=pixfmt \
1748 rm \
1749 swf \
1750 mpegts=ts \
1751 voc \
1752 wav \
1753 yuv4mpegpipe=yuv4mpeg \
1754
1755# default parameters
1756
1757logfile="config.log"
1758
1759# installation paths
1760prefix_default="/usr/local"
1761bindir_default='${prefix}/bin'
1762datadir_default='${prefix}/share/avconv'
1763incdir_default='${prefix}/include'
1764libdir_default='${prefix}/lib'
1765mandir_default='${prefix}/share/man'
1766shlibdir_default="$libdir_default"
1767
1768# toolchain
1769ar_default="ar"
1770cc_default="gcc"
1771host_cc_default="gcc"
1772ln_s="ln -sf"
1773nm_default="nm -g"
1774objformat="elf"
1775pkg_config_default=pkg-config
1776ranlib="ranlib"
1777yasmexe="yasm"
1778
1779nogas=":"
1780
1781# machine
1782arch_default=$(uname -m)
1783cpu="generic"
1784
1785# OS
1786target_os_default=$(tolower $(uname -s))
1787host_os=$target_os_default
1788
1789# configurable options
1790enable $PROGRAM_LIST
1791
1792enable avcodec
1793enable avdevice
1794enable avfilter
1795enable avformat
1796enable avresample
1797enable avutil
1798enable swscale
1799
1800enable asm
1801enable debug
1802enable doc
1803enable network
1804enable optimizations
1805enable safe_bitstream_reader
1806enable static
1807enable swscale_alpha
1808
1809# build settings
1810SHFLAGS='-shared -Wl,-soname,$$(@F)'
1811AVSERVERLDFLAGS=-Wl,-E
1812LIBPREF="lib"
1813LIBSUF=".a"
1814FULLNAME='$(NAME)$(BUILDSUF)'
1815LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1816SLIBPREF="lib"
1817SLIBSUF=".so"
1818SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1819SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1820SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1821LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1822SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1823SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1824
1825asflags_filter=echo
1826cflags_filter=echo
1827ldflags_filter=echo
1828
1829AS_C='-c'
1830AS_O='-o $@'
1831CC_C='-c'
1832CC_E='-E -o $@'
1833CC_O='-o $@'
1834LD_O='-o $@'
1835LD_LIB='-l%'
1836LD_PATH='-L'
1837HOSTCC_C='-c'
1838HOSTCC_O='-o $@'
1839HOSTLD_O='-o $@'
1840
1841host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
1842host_libs='-lm'
1843host_cflags_filter=echo
1844host_ldflags_filter=echo
1845
1846target_path='$(CURDIR)'
1847
1848# since the object filename is not given with the -MM flag, the compiler
1849# is only able to print the basename, and we must add the path ourselves
1850DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1851DEPFLAGS='-MM'
1852
1853# find source path
1854if test -f configure; then
1855 source_path=.
1856else
1857 source_path=$(cd $(dirname "$0"); pwd)
1858 echo "$source_path" | grep -q '[[:blank:]]' &&
1859 die "Out of tree builds are impossible with whitespace in source path."
1860 test -e "$source_path/config.h" &&
1861 die "Out of tree builds are impossible with config.h in source dir."
1862fi
1863
1864for v in "$@"; do
1865 r=${v#*=}
1866 l=${v%"$r"}
1867 r=$(sh_quote "$r")
1868 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1869done
1870
1871find_things(){
1872 thing=$1
1873 pattern=$2
1874 file=$source_path/$3
1875 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1876}
1877
1878ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1879DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1880HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1881PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1882BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1883MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1884DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1885OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1886INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1887PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1888FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1889
1890ALL_COMPONENTS="
1891 $BSF_LIST
1892 $DECODER_LIST
1893 $DEMUXER_LIST
1894 $ENCODER_LIST
1895 $FILTER_LIST
1896 $HWACCEL_LIST
1897 $INDEV_LIST
1898 $MUXER_LIST
1899 $OUTDEV_LIST
1900 $PARSER_LIST
1901 $PROTOCOL_LIST
1902"
1903
1904find_tests(){
1905 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1906}
1907
1908LAVF_TESTS=$(find_tests lavf)
1909LAVFI_TESTS=$(find_tests lavfi)
1910SEEK_TESTS=$(find_tests seek seek_)
1911
1912ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1913
1914for n in $COMPONENT_LIST; do
1915 v=$(toupper ${n%s})_LIST
1916 eval enable \$$v
1917 eval ${n}_if_any="\$$v"
1918done
1919
1920enable $ARCH_EXT_LIST $ALL_TESTS
1921
1922die_unknown(){
1923 echo "Unknown option \"$1\"."
1924 echo "See $0 --help for available options."
1925 exit 1
1926}
1927
1928show_list() {
1929 suffix=_$1
1930 shift
1931 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1932 exit 0
1933}
1934
1935rand_list(){
1936 IFS=', '
1937 set -- $*
1938 unset IFS
1939 for thing; do
1940 comp=${thing%:*}
1941 prob=${thing#$comp}
1942 prob=${prob#:}
1943 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1944 echo "prob ${prob:-0.5}"
1945 printf '%s\n' $comp
1946 done
1947}
1948
1949do_random(){
1950 action=$1
1951 shift
1952 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1953 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1954}
1955
1956for opt do
1957 optval="${opt#*=}"
1958 case "$opt" in
1959 --extra-ldflags=*) add_ldflags $optval
1960 ;;
1961 --extra-libs=*) add_extralibs $optval
1962 ;;
1963 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1964 ;;
1965 --enable-debug=*) debuglevel="$optval"
1966 ;;
1967 --disable-everything)
1968 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1969 ;;
1970 --enable-random|--disable-random)
1971 action=${opt%%-random}
1972 do_random ${action#--} $COMPONENT_LIST
1973 ;;
1974 --enable-random=*|--disable-random=*)
1975 action=${opt%%-random=*}
1976 do_random ${action#--} $optval
1977 ;;
1978 --enable-*=*|--disable-*=*)
1979 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1980 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1981 eval list=\$$(toupper $thing)_LIST
1982 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1983 $action $(filter "$name" $list)
1984 ;;
1985 --enable-?*|--disable-?*)
1986 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1987 if is_in $option $COMPONENT_LIST; then
1988 test $action = disable && action=unset
1989 eval $action \$$(toupper ${option%s})_LIST
1990 elif is_in $option $CMDLINE_SELECT; then
1991 $action $option
1992 else
1993 die_unknown $opt
1994 fi
1995 ;;
1996 --list-*)
1997 NAME="${opt#--list-}"
1998 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1999 NAME=${NAME%s}
2000 eval show_list $NAME \$$(toupper $NAME)_LIST
2001 ;;
2002 --help|-h) show_help
2003 ;;
2004 *)
2005 optname="${opt%%=*}"
2006 optname="${optname#--}"
2007 optname=$(echo "$optname" | sed 's/-/_/g')
2008 if is_in $optname $CMDLINE_SET; then
2009 eval $optname='$optval'
2010 elif is_in $optname $CMDLINE_APPEND; then
2011 append $optname "$optval"
2012 else
2013 die_unknown $opt
2014 fi
2015 ;;
2016 esac
2017done
2018
2019disabled logging && logfile=/dev/null
2020
2021echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2022set >> $logfile
2023
2024test -n "$cross_prefix" && enable cross_compile
2025
2026if enabled cross_compile; then
2027 test -n "$arch" && test -n "$target_os" ||
2028 die "Must specify target arch and OS when cross-compiling"
2029fi
2030
2031set_default arch target_os
2032
2033ar_default="${cross_prefix}${ar_default}"
2034cc_default="${cross_prefix}${cc_default}"
2035nm_default="${cross_prefix}${nm_default}"
2036pkg_config_default="${cross_prefix}${pkg_config_default}"
2037ranlib="${cross_prefix}${ranlib}"
2038
2039sysinclude_default="${sysroot}/usr/include"
2040
2041set_default cc pkg_config sysinclude
2042enabled cross_compile || host_cc_default=$cc
2043set_default host_cc
2044
2045if ! $pkg_config --version >/dev/null 2>&1; then
2046 warn "$pkg_config not found, library detection may fail."
2047 pkg_config=false
2048fi
2049
2050exesuf() {
2051 case $1 in
2052 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2053 esac
2054}
2055
2056EXESUF=$(exesuf $target_os)
2057HOSTEXESUF=$(exesuf $host_os)
2058
2059# set temporary file name
2060: ${TMPDIR:=$TEMPDIR}
2061: ${TMPDIR:=$TMP}
2062: ${TMPDIR:=/tmp}
2063
2064if ! check_cmd mktemp -u XXXXXX; then
2065 # simple replacement for missing mktemp
2066 # NOT SAFE FOR GENERAL USE
2067 mktemp(){
2068 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2069 }
2070fi
2071
2072tmpfile(){
2073 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2074 (set -C; exec > $tmp) 2>/dev/null ||
2075 die "Unable to create temporary file in $TMPDIR."
2076 append TMPFILES $tmp
2077 eval $1=$tmp
2078}
2079
2080trap 'rm -f -- $TMPFILES' EXIT
2081
2082tmpfile TMPASM .asm
2083tmpfile TMPC .c
2084tmpfile TMPE $EXESUF
2085tmpfile TMPH .h
2086tmpfile TMPO .o
2087tmpfile TMPS .S
2088tmpfile TMPSH .sh
2089tmpfile TMPV .ver
2090
2091unset -f mktemp
2092
2093chmod +x $TMPE
2094
2095# make sure we can execute files in $TMPDIR
2096cat > $TMPSH 2>> $logfile <<EOF
2097#! /bin/sh
2098EOF
2099chmod +x $TMPSH >> $logfile 2>&1
2100if ! $TMPSH >> $logfile 2>&1; then
2101 cat <<EOF
2102Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2103variable to another directory and make sure that it is not mounted noexec.
2104EOF
2105 die "Sanity test failed."
2106fi
2107
2108msvc_flags(){
2109 for flag; do
2110 case $flag in
2111 -fomit-frame-pointer) echo -Oy ;;
2112 -g) echo -Z7 ;;
2113 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2114 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2115 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2116 -wd4996 ;;
2117 -std=c99) ;;
2118 -fno-math-errno) ;;
2119 -fno-common) ;;
2120 -fno-signed-zeros) ;;
2121 -lz) echo zlib.lib ;;
2122 -l*) echo ${flag#-l}.lib ;;
2123 *) echo $flag ;;
2124 esac
2125 done
2126}
2127
2128pgi_flags(){
2129 for flag; do
2130 case $flag in
2131 -fomit-frame-pointer) echo -Mnoframe ;;
2132 -g) echo -gopt ;;
2133 *) echo $flag ;;
2134 esac
2135 done
2136}
2137
2138suncc_flags(){
2139 for flag; do
2140 case $flag in
2141 -march=*|-mcpu=*)
2142 case "${flag#*=}" in
2143 native) echo -xtarget=native ;;
2144 v9|niagara) echo -xarch=sparc ;;
2145 ultrasparc) echo -xarch=sparcvis ;;
2146 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2147 i586|pentium) echo -xchip=pentium ;;
2148 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2149 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2150 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2151 pentium4*) echo -xtarget=pentium4 ;;
2152 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2153 *-sse3) echo -xarch=sse3 ;;
2154 core2) echo -xarch=ssse3 -xchip=core2 ;;
2155 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2156 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2157 k8|opteron|athlon64|athlon-fx)
2158 echo -xarch=sse2a ;;
2159 athlon*) echo -xarch=pentium_proa ;;
2160 esac
2161 ;;
2162 -std=c99) echo -xc99 ;;
2163 -fomit-frame-pointer) echo -xregs=frameptr ;;
2164 -fPIC) echo -KPIC -xcode=pic32 ;;
2165 -W*,*) echo $flag ;;
2166 -f*-*|-W*) ;;
2167 *) echo $flag ;;
2168 esac
2169 done
2170}
2171
2172tms470_flags(){
2173 for flag; do
2174 case $flag in
2175 -march=*|-mcpu=*)
2176 case "${flag#*=}" in
2177 armv7-a|cortex-a*) echo -mv=7a8 ;;
2178 armv7-r|cortex-r*) echo -mv=7r4 ;;
2179 armv7-m|cortex-m*) echo -mv=7m3 ;;
2180 armv6*|arm11*) echo -mv=6 ;;
2181 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2182 echo -mv=5e ;;
2183 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2184 esac
2185 ;;
2186 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2187 -mfpu=vfp) echo --float_support=vfpv2 ;;
2188 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2189 -msoft-float) echo --float_support=vfplib ;;
2190 -O[0-3]|-mf=*) echo $flag ;;
2191 -g) echo -g -mn ;;
2192 -pds=*) echo $flag ;;
2193 -D*|-I*) echo $flag ;;
2194 --gcc|--abi=*) echo $flag ;;
2195 -me) echo $flag ;;
2196 esac
2197 done
2198}
2199
2200probe_cc(){
2201 pfx=$1
2202 _cc=$2
2203
2204 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2205 unset _ld_o _ldflags _ld_lib _ld_path
2206 unset _depflags _DEPCMD _DEPFLAGS
2207 _flags_filter=echo
2208
2209 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2210 _type=llvm_gcc
2211 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2212 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2213 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2214 _cflags_speed='-O3'
2215 _cflags_size='-Os'
2216 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2217 _type=gcc
2218 gcc_version=$($_cc --version | head -n1)
2219 gcc_basever=$($_cc -dumpversion)
2220 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2221 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2222 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2223 if ! $_cc -dumpversion | grep -q '^2\.'; then
2224 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2225 fi
2226 _cflags_speed='-O3'
2227 _cflags_size='-Os'
2228 elif $_cc --version 2>/dev/null | grep -q Intel; then
2229 _type=icc
2230 _ident=$($_cc --version | head -n1)
2231 _depflags='-MMD'
2232 _cflags_speed='-O3'
2233 _cflags_size='-Os'
2234 _cflags_noopt='-O1'
2235 elif $_cc -v 2>&1 | grep -q xlc; then
2236 _type=xlc
2237 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2238 _cflags_speed='-O5'
2239 _cflags_size='-O5 -qcompact'
2240 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2241 _type=ccc
2242 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2243 _DEPFLAGS='-M'
2244 debuglevel=3
2245 _ldflags='-Wl,-z,now' # calls to libots crash without this
2246 _cflags_speed='-fast'
2247 _cflags_size='-O1'
2248 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2249 test -d "$sysroot" || die "No valid sysroot specified."
2250 _type=armcc
2251 _ident=$($_cc --vsn | head -n1)
2252 armcc_conf="$PWD/armcc.conf"
2253 $_cc --arm_linux_configure \
2254 --arm_linux_config_file="$armcc_conf" \
2255 --configure_sysroot="$sysroot" \
2256 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2257 die "Error creating armcc configuration file."
2258 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2259 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2260 as_default="${cross_prefix}gcc"
2261 _depflags='-MMD'
2262 _cflags_speed='-O3'
2263 _cflags_size='-Os'
2264 elif $_cc -version 2>/dev/null | grep -q TMS470; then
2265 _type=tms470
2266 _ident=$($_cc -version | head -n1 | tr -s ' ')
2267 _flags='--gcc --abi=eabi -me'
2268 _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2269 _cc_e='-ppl -fe=$@'
2270 _cc_o='-fe=$@'
2271 as_default="${cross_prefix}gcc"
2272 ld_default="${cross_prefix}gcc"
2273 _depflags='-ppa -ppd=$(@:.o=.d)'
2274 _cflags_speed='-O3 -mf=5'
2275 _cflags_size='-O3 -mf=2'
2276 _flags_filter=tms470_flags
2277 elif $_cc -v 2>&1 | grep -q clang; then
2278 _type=clang
2279 _ident=$($_cc --version | head -n1)
2280 _depflags='-MMD'
2281 _cflags_speed='-O3'
2282 _cflags_size='-Os'
2283 elif $_cc -V 2>&1 | grep -q Sun; then
2284 _type=suncc
2285 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2286 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2287 _DEPFLAGS='-xM1 -xc99'
2288 _ldflags='-std=c99'
2289 _cflags_speed='-O5'
2290 _cflags_size='-O5 -xspace'
2291 _flags_filter=suncc_flags
2292 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2293 _type=pathscale
2294 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2295 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2296 _cflags_speed='-O2'
2297 _cflags_size='-Os'
2298 _flags_filter='filter_out -Wdisabled-optimization'
2299 elif $_cc -v 2>&1 | grep -q Open64; then
2300 _type=open64
2301 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2302 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2303 _cflags_speed='-O2'
2304 _cflags_size='-Os'
2305 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2306 elif $_cc -V 2>&1 | grep -q Portland; then
2307 _type=pgi
2308 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2309 opt_common='-alias=ansi -Mlre -Mpre'
2310 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2311 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2312 _cflags_noopt="-O1"
2313 _flags_filter=pgi_flags
2314 elif $_cc 2>&1 | grep -q Microsoft; then
2315 _type=msvc
2316 _ident=$($cc 2>&1 | head -n1)
2317 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2318 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2319 _cflags_speed="-O2"
2320 _cflags_size="-O1"
2321 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2322 if $_cc 2>&1 | grep -q Linker; then
2323 _ld_o='-out $@'
2324 else
2325 _ld_o='-Fe$@'
2326 fi
2327 _cc_o='-Fo $@'
2328 _cc_e='-P -Fi $@'
2329 _flags_filter=msvc_flags
2330 _ld_lib='lib%.a'
2331 _ld_path='-libpath:'
2332 _flags='-nologo'
2333 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2334 if [ $pfx = hostcc ]; then
2335 append _cflags -Dsnprintf=_snprintf
2336 fi
2337 fi
2338
2339 eval ${pfx}_type=\$_type
2340 eval ${pfx}_ident=\$_ident
2341}
2342
2343set_ccvars(){
2344 eval ${1}_C=\${_cc_c-\${${1}_C}}
2345 eval ${1}_E=\${_cc_e-\${${1}_E}}
2346 eval ${1}_O=\${_cc_o-\${${1}_O}}
2347
2348 if [ -n "$_depflags" ]; then
2349 eval ${1}_DEPFLAGS=\$_depflags
2350 else
2351 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2352 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2353 eval DEP${1}FLAGS=\$_flags
2354 fi
2355}
2356
2357probe_cc cc "$cc"
2358cflags_filter=$_flags_filter
2359cflags_speed=$_cflags_speed
2360cflags_size=$_cflags_size
2361cflags_noopt=$_cflags_noopt
2362add_cflags $_flags $_cflags
2363cc_ldflags=$_ldflags
2364set_ccvars CC
2365
2366probe_cc hostcc "$host_cc"
2367host_cflags_filter=$_flags_filter
2368add_host_cflags $_flags $_cflags
2369set_ccvars HOSTCC
2370
2371test -n "$cc_type" && enable $cc_type ||
2372 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2373
2374: ${as_default:=$cc}
2375: ${dep_cc_default:=$cc}
2376: ${ld_default:=$cc}
2377: ${host_ld_default:=$host_cc}
2378set_default ar as dep_cc ld host_ld
2379
2380probe_cc as "$as"
2381asflags_filter=$_flags_filter
2382add_asflags $_flags $_cflags
2383set_ccvars AS
2384
2385probe_cc ld "$ld"
2386ldflags_filter=$_flags_filter
2387add_ldflags $_flags $_ldflags
2388test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2389LD_O=${_ld_o-$LD_O}
2390LD_LIB=${_ld_lib-$LD_LIB}
2391LD_PATH=${_ld_path-$LD_PATH}
2392
2393probe_cc hostld "$host_ld"
2394host_ldflags_filter=$_flags_filter
2395add_host_ldflags $_flags $_ldflags
2396HOSTLD_O=${_ld_o-$HOSTLD_O}
2397
2398if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2399 probe_cc depcc "$dep_cc"
2400 CCDEP=${_DEPCMD:-$DEPCMD}
2401 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2402 DEPCCFLAGS=$_flags
2403fi
2404
2405add_cflags $extra_cflags
2406add_asflags $extra_cflags
2407
2408if test -n "$sysroot"; then
2409 case "$cc_type" in
2410 gcc|llvm_gcc|clang)
2411 add_cppflags --sysroot="$sysroot"
2412 add_ldflags --sysroot="$sysroot"
2413 ;;
2414 tms470)
2415 add_cppflags -I"$sysinclude"
2416 add_ldflags --sysroot="$sysroot"
2417 ;;
2418 esac
2419fi
2420
2421if test "$cpu" = host; then
2422 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2423
2424 case "$cc_type" in
2425 gcc|llvm_gcc)
2426 check_native(){
2427 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2428 sed -n "/cc1.*$1=/{
2429 s/.*$1=\\([^ ]*\\).*/\\1/
2430 p
2431 q
2432 }" $TMPE
2433 }
2434 cpu=$(check_native -march || check_native -mcpu)
2435 ;;
2436 esac
2437
2438 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2439fi
2440
2441# Deal with common $arch aliases
2442case "$arch" in
2443 arm*)
2444 arch="arm"
2445 ;;
2446 mips|mipsel|IP*)
2447 arch="mips"
2448 ;;
2449 mips64*)
2450 arch="mips"
2451 subarch="mips64"
2452 ;;
2453 parisc|hppa)
2454 arch="parisc"
2455 ;;
2456 parisc64|hppa64)
2457 arch="parisc"
2458 subarch="parisc64"
2459 ;;
2460 "Power Macintosh"|ppc|powerpc)
2461 arch="ppc"
2462 ;;
2463 ppc64|powerpc64)
2464 arch="ppc"
2465 subarch="ppc64"
2466 ;;
2467 s390|s390x)
2468 arch="s390"
2469 ;;
2470 sh4|sh)
2471 arch="sh4"
2472 ;;
2473 sun4u|sparc64)
2474 arch="sparc"
2475 subarch="sparc64"
2476 ;;
2477 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2478 arch="x86"
2479 ;;
2480esac
2481
2482is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2483enable $arch
2484
2485# Add processor-specific flags
2486if test "$cpu" = generic; then
2487 : do nothing
2488elif enabled ppc; then
2489
2490 case $(tolower $cpu) in
2491 601|ppc601|powerpc601)
2492 cpuflags="-mcpu=601"
2493 disable altivec
2494 ;;
2495 603*|ppc603*|powerpc603*)
2496 cpuflags="-mcpu=603"
2497 disable altivec
2498 ;;
2499 604*|ppc604*|powerpc604*)
2500 cpuflags="-mcpu=604"
2501 disable altivec
2502 ;;
2503 g3|75*|ppc75*|powerpc75*)
2504 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2505 disable altivec
2506 ;;
2507 g4|745*|ppc745*|powerpc745*)
2508 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2509 ;;
2510 74*|ppc74*|powerpc74*)
2511 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2512 ;;
2513 g5|970|ppc970|powerpc970)
2514 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2515 ;;
2516 power[3-7]*)
2517 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2518 ;;
2519 cell)
2520 cpuflags="-mcpu=cell"
2521 enable ldbrx
2522 ;;
2523 e500mc)
2524 cpuflags="-mcpu=e500mc"
2525 disable altivec
2526 ;;
2527 e500v2)
2528 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2529 disable altivec
2530 ;;
2531 e500)
2532 cpuflags="-mcpu=8540 -mhard-float"
2533 disable altivec
2534 ;;
2535 esac
2536
2537elif enabled x86; then
2538
2539 case $cpu in
2540 i[345]86|pentium)
2541 cpuflags="-march=$cpu"
2542 disable mmx
2543 ;;
2544 # targets that do NOT support conditional mov (cmov)
2545 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2546 cpuflags="-march=$cpu"
2547 disable cmov
2548 ;;
2549 # targets that do support conditional mov (cmov)
2550 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
2551 cpuflags="-march=$cpu"
2552 enable cmov
2553 enable fast_cmov
2554 ;;
2555 # targets that do support conditional mov but on which it's slow
2556 pentium4|pentium4m|prescott|nocona)
2557 cpuflags="-march=$cpu"
2558 enable cmov
2559 disable fast_cmov
2560 ;;
2561 esac
2562
2563elif enabled sparc; then
2564
2565 case $cpu in
2566 niagara)
2567 cpuflags="-mcpu=$cpu"
2568 disable vis
2569 ;;
2570 sparc64)
2571 cpuflags="-mcpu=v9"
2572 ;;
2573 esac
2574
2575elif enabled arm; then
2576
2577 case $cpu in
2578 armv*)
2579 cpuflags="-march=$cpu"
2580 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2581 ;;
2582 *)
2583 cpuflags="-mcpu=$cpu"
2584 case $cpu in
2585 cortex-a*) subarch=armv7a ;;
2586 cortex-r*) subarch=armv7r ;;
2587 cortex-m*) enable thumb; subarch=armv7m ;;
2588 arm11*) subarch=armv6 ;;
2589 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2590 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2591 esac
2592 ;;
2593 esac
2594
2595elif enabled alpha; then
2596
2597 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2598
2599elif enabled bfin; then
2600
2601 cpuflags="-mcpu=$cpu"
2602
2603elif enabled mips; then
2604
2605 cpuflags="-march=$cpu"
2606
2607elif enabled avr32; then
2608
2609 case $cpu in
2610 ap7[02]0[0-2])
2611 subarch="avr32_ap"
2612 cpuflags="-mpart=$cpu"
2613 ;;
2614 ap)
2615 subarch="avr32_ap"
2616 cpuflags="-march=$cpu"
2617 ;;
2618 uc3[ab]*)
2619 subarch="avr32_uc"
2620 cpuflags="-mcpu=$cpu"
2621 ;;
2622 uc)
2623 subarch="avr32_uc"
2624 cpuflags="-march=$cpu"
2625 ;;
2626 esac
2627
2628fi
2629
2630add_cflags $cpuflags
2631add_asflags $cpuflags
2632
2633# compiler sanity check
2634check_exec <<EOF
2635int main(void){ return 0; }
2636EOF
2637if test "$?" != 0; then
2638 echo "$cc is unable to create an executable file."
2639 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2640 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2641 echo "Only do this if you know what cross compiling means."
2642 fi
2643 die "C compiler test failed."
2644fi
2645
2646add_cppflags -D_ISOC99_SOURCE
2647check_cflags -std=c99
2648check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2649#include <stdlib.h>
2650EOF
2651check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2652#include <stdlib.h>
2653EOF
2654
2655check_host_cflags -std=c99
2656check_host_cflags -Wall
2657
2658case "$arch" in
2659 alpha|ia64|mips|parisc|sparc)
2660 spic=$shared
2661 ;;
2662 x86)
2663 subarch="x86_32"
2664 check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2665 if test "$subarch" = "x86_64"; then
2666 spic=$shared
2667 fi
2668 ;;
2669esac
2670
2671enable $subarch
2672enabled spic && enable pic
2673
2674# OS specific
2675case $target_os in
2676 haiku)
2677 prefix_default="/boot/common"
2678 network_extralibs="-lnetwork"
2679 host_libs=
2680 ;;
2681 sunos)
2682 AVSERVERLDFLAGS=""
2683 SHFLAGS='-shared -Wl,-h,$$(@F)'
2684 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2685 network_extralibs="-lsocket -lnsl"
2686 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2687 # When using suncc to build, the Solaris linker will mark
2688 # an executable with each instruction set encountered by
2689 # the Solaris assembler. As our libraries contain their own
2690 # guards for processor-specific code, instead suppress
2691 # generation of the HWCAPS ELF section on Solaris x86 only.
2692 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2693 nm_default='nm -P -g'
2694 ;;
2695 netbsd)
2696 disable symver
2697 oss_indev_extralibs="-lossaudio"
2698 oss_outdev_extralibs="-lossaudio"
2699 ;;
2700 openbsd|bitrig)
2701 # On OpenBSD 4.5. the compiler does not use PIC unless
2702 # explicitly using -fPIC. Libav builds fine without PIC,
2703 # however the generated executable will not do anything
2704 # (simply quits with exit-code 1, no crash, no output).
2705 # Thus explicitly enable PIC here.
2706 enable pic
2707 disable symver
2708 SHFLAGS='-shared'
2709 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2710 SLIB_INSTALL_LINKS=
2711 oss_indev_extralibs="-lossaudio"
2712 oss_outdev_extralibs="-lossaudio"
2713 ;;
2714 dragonfly)
2715 disable symver
2716 ;;
2717 freebsd)
2718 ;;
2719 bsd/os)
2720 add_extralibs -lpoll -lgnugetopt
2721 ;;
2722 darwin)
2723 gas="gas-preprocessor.pl $cc"
2724 enabled ppc && add_asflags -force_cpusubtype_ALL
2725 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2726 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2727 add_ldflags -Wl,-dynamic,-search_paths_first
2728 SLIBSUF=".dylib"
2729 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2730 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2731 AVSERVERLDFLAGS=-Wl,-bind_at_load
2732 objformat="macho"
2733 enabled x86_64 && objformat="macho64"
2734 enabled_any pic shared ||
2735 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2736 ;;
2737 mingw32*)
2738 if test $target_os = "mingw32ce"; then
2739 disable network
2740 else
2741 target_os=mingw32
2742 fi
2743 LIBTARGET=i386
2744 if enabled x86_64; then
2745 LIBTARGET="i386:x86-64"
2746 elif enabled arm; then
2747 LIBTARGET=arm-wince
2748 fi
2749 shlibdir_default="$bindir_default"
2750 SLIBPREF=""
2751 SLIBSUF=".dll"
2752 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2753 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2754 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2755 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2756 SLIB_INSTALL_LINKS=
2757 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2758 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2759 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'
2760 objformat="win32"
2761 dlltool="${cross_prefix}dlltool"
2762 ranlib=:
2763 enable dos_paths
2764 check_cflags -fno-common
2765 add_cppflags -U__STRICT_ANSI__
2766 ;;
2767 cygwin*)
2768 target_os=cygwin
2769 shlibdir_default="$bindir_default"
2770 SLIBPREF="cyg"
2771 SLIBSUF=".dll"
2772 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2773 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2774 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2775 SLIB_INSTALL_LINKS=
2776 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2777 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
2778 objformat="win32"
2779 enable dos_paths
2780 check_cflags -fno-common
2781 add_cppflags -U__STRICT_ANSI__
2782 ;;
2783 *-dos|freedos|opendos)
2784 network_extralibs="-lsocket"
2785 objformat="coff"
2786 enable dos_paths
2787 add_cppflags -U__STRICT_ANSI__
2788 ;;
2789 linux)
2790 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2791 enable dv1394
2792 ;;
2793 irix*)
2794 target_os=irix
2795 ranlib="echo ignoring ranlib"
2796 ;;
2797 os/2*)
2798 ln_s="cp -f"
2799 objformat="aout"
2800 add_cppflags -D_GNU_SOURCE
2801 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2802 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2803 AVSERVERLDFLAGS=""
2804 LIBSUF="_s.a"
2805 SLIBPREF=""
2806 SLIBSUF=".dll"
2807 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2808 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2809 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2810 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2811 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2812 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2813 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2814 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2815 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2816 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2817 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2818 enable dos_paths
2819 ;;
2820 gnu/kfreebsd)
2821 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2822 ;;
2823 gnu)
2824 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2825 ;;
2826 qnx)
2827 add_cppflags -D_QNX_SOURCE
2828 network_extralibs="-lsocket"
2829 ;;
2830 symbian)
2831 SLIBSUF=".dll"
2832 enable dos_paths
2833 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2834 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2835 add_ldflags -Wl,--target1-abs,--no-undefined \
2836 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2837 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2838 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2839 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2840 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2841 ;;
2842 none)
2843 ;;
2844 *)
2845 die "Unknown OS '$target_os'."
2846 ;;
2847esac
2848
2849# determine libc flavour
2850
2851if check_cpp_condition features.h "defined __UCLIBC__"; then
2852 libc_type=uclibc
2853elif check_cpp_condition features.h "defined __GLIBC__"; then
2854 libc_type=glibc
2855elif check_header _mingw.h; then
2856 libc_type=mingw
2857 check_cpp_condition _mingw.h \
2858 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
2859 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2860 die "ERROR: MinGW runtime version must be >= 3.15."
2861elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
2862 libc_type=newlib
2863elif check_func_headers stdlib.h _get_doserrno; then
2864 libc_type=msvcrt
2865 add_cflags -Dstrtod=avpriv_strtod
2866 add_cflags -Dsnprintf=avpriv_snprintf \
2867 -D_snprintf=avpriv_snprintf \
2868 -Dvsnprintf=avpriv_vsnprintf
2869elif check_cpp_condition stddef.h "defined __KLIBC__"; then
2870 libc_type=klibc
2871fi
2872
2873test -n "$libc_type" && enable $libc_type
2874
2875esc(){
2876 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2877}
2878
2879echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
2880
2881check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2882
2883set_default $PATHS_LIST
2884set_default nm
2885
2886# we need to build at least one lib type
2887if ! enabled_any static shared; then
2888 cat <<EOF
2889At least one library type must be built.
2890Specify --enable-static to build the static libraries or --enable-shared to
2891build the shared libraries as well. To only build the shared libraries specify
2892--disable-static in addition to --enable-shared.
2893EOF
2894 exit 1;
2895fi
2896
2897die_license_disabled() {
2898 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2899}
2900
2901die_license_disabled gpl libcdio
2902die_license_disabled gpl libx264
2903die_license_disabled gpl libxavs
2904die_license_disabled gpl libxvid
2905die_license_disabled gpl x11grab
2906
2907die_license_disabled nonfree libfaac
2908die_license_disabled nonfree libfdk_aac
2909die_license_disabled nonfree openssl
2910
2911die_license_disabled version3 libopencore_amrnb
2912die_license_disabled version3 libopencore_amrwb
2913die_license_disabled version3 libvo_aacenc
2914die_license_disabled version3 libvo_amrwbenc
2915
2916enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2917
2918disabled optimizations || check_cflags -fomit-frame-pointer
2919
2920enable_pic() {
2921 enable pic
2922 add_cppflags -DPIC
2923 add_cflags -fPIC
2924 add_asflags -fPIC
2925}
2926
2927enabled pic && enable_pic
2928
2929check_cc <<EOF || die "Symbol mangling check failed."
2930int ff_extern;
2931EOF
2932sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2933extern_prefix=${sym%%ff_extern*}
2934
2935check_cc <<EOF && enable_weak inline_asm
2936void foo(void) { __asm__ volatile ("" ::); }
2937EOF
2938
2939_restrict=
2940for restrict_keyword in restrict __restrict__ __restrict; do
2941 check_cc <<EOF && _restrict=$restrict_keyword && break
2942void foo(char * $restrict_keyword p);
2943EOF
2944done
2945
2946check_cc <<EOF && enable attribute_packed
2947struct { int x; } __attribute__((packed)) x;
2948EOF
2949
2950check_cc <<EOF && enable attribute_may_alias
2951union { int x; } __attribute__((may_alias)) x;
2952EOF
2953
2954check_cc <<EOF || die "endian test failed"
2955unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2956EOF
2957od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2958
2959if enabled alpha; then
2960
2961 check_cflags -mieee
2962
2963elif enabled arm; then
2964
2965 enabled thumb && check_cflags -mthumb || check_cflags -marm
2966 nogas=die
2967
2968 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2969 enable vfp_args
2970 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2971 case "${cross_prefix:-$cc}" in
2972 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2973 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2974__asm__ (".eabi_attribute 28, 1");
2975int main(void) { return 0; }
2976EOF
2977 esac
2978 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2979 fi
2980
2981 enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
2982 enabled armv6 && check_inline_asm armv6 '"sadd16 r0, r0, r0"'
2983 enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
2984 enabled armvfp && check_inline_asm armvfp '"fadds s0, s0, s0"'
2985 enabled neon && check_inline_asm neon '"vadd.i16 q0, q0, q0"'
2986 enabled vfpv3 && check_inline_asm vfpv3 '"vmov.f32 s0, #1.0"'
2987
2988 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
2989 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2990
2991 enabled_all armv6t2 shared !pic && enable_pic
2992
2993elif enabled mips; then
2994
2995 check_inline_asm loongson '"dmult.g $1, $2, $3"'
2996 enabled mmi && check_inline_asm mmi '"lq $2, 0($2)"'
2997
2998elif enabled ppc; then
2999
3000 enable local_aligned_8 local_aligned_16
3001
3002 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3003 check_inline_asm ibm_asm '"add 0, 0, 0"'
3004 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3005 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3006
3007 # AltiVec flags: The FSF version of GCC differs from the Apple version
3008 if enabled altivec; then
3009 nogas=warn
3010 check_cflags -maltivec -mabi=altivec &&
3011 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3012 check_cflags -faltivec
3013
3014 # check if our compiler supports Motorola AltiVec C API
3015 check_cc <<EOF || disable altivec
3016$inc_altivec_h
3017int main(void) {
3018 vector signed int v1 = (vector signed int) { 0 };
3019 vector signed int v2 = (vector signed int) { 1 };
3020 v1 = vec_add(v1, v2);
3021 return 0;
3022}
3023EOF
3024
3025 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3026 fi
3027
3028elif enabled sparc; then
3029
3030 enabled vis &&
3031 check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3032 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3033
3034elif enabled x86; then
3035
3036 check_code ld immintrin.h "return __xgetbv(0)" && enable xgetbv
3037 check_code ld intrin.h "int info[4]; __cpuid(info, 0)" && enable cpuid
3038 check_code ld intrin.h "__rdtsc()" && enable rdtsc
3039 check_code ld intrin.h "unsigned int x = __readeflags()" && enable rweflags
3040
3041 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
3042
3043 enable local_aligned_8 local_aligned_16
3044
3045 # check whether EBP is available on x86
3046 # As 'i' is stored on the stack, this program will crash
3047 # if the base pointer is used to access it because the
3048 # base pointer is cleared in the inline assembly code.
3049 check_exec_crash <<EOF && enable ebp_available
3050volatile int i=0;
3051__asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3052return i;
3053EOF
3054
3055 # check whether EBX is available on x86
3056 check_inline_asm ebx_available '""::"b"(0)' &&
3057 check_inline_asm ebx_available '"":::"%ebx"'
3058
3059 # check whether xmm clobbers are supported
3060 check_inline_asm xmm_clobbers '"":::"%xmm0"'
3061
3062 # check whether binutils is new enough to compile SSSE3/MMXEXT
3063 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3064 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3065
3066 if ! disabled_any asm mmx yasm; then
3067 if check_cmd $yasmexe --version; then
3068 enabled x86_64 && yasm_extra="-m amd64"
3069 yasm_debug="-g dwarf2"
3070 elif check_cmd nasm -v; then
3071 yasmexe=nasm
3072 yasm_debug="-g -F dwarf"
3073 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3074 fi
3075
3076 YASMFLAGS="-f $objformat $yasm_extra"
3077 enabled pic && append YASMFLAGS "-DPIC"
3078 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3079 case "$objformat" in
3080 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3081 esac
3082
3083 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3084 die "yasm not found, use --disable-yasm for a crippled build"
3085 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external
3086 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3087 check_yasm "CPU amdnop" && enable cpunop
3088 fi
3089
3090 case "$cpu" in
3091 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3092 disable fast_clz
3093 ;;
3094 esac
3095
3096fi
3097
3098if enabled asm; then
3099 as=${gas:=$as}
3100 check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3101 $nogas "GNU assembler not found, install gas-preprocessor"
3102fi
3103
3104check_ldflags -Wl,--as-needed
3105
3106if check_func dlopen; then
3107 ldl=
3108elif check_func dlopen -ldl; then
3109 ldl=-ldl
3110fi
3111
3112if enabled network; then
3113 check_type "sys/types.h sys/socket.h" socklen_t
3114 check_type netdb.h "struct addrinfo"
3115 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3116 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3117 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3118 check_type netinet/in.h "struct sockaddr_in6"
3119 check_type poll.h "struct pollfd"
3120 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3121 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3122 check_type netinet/sctp.h "struct sctp_event_subscribe"
3123 check_func getaddrinfo $network_extralibs
3124 # Prefer arpa/inet.h over winsock2
3125 if check_header arpa/inet.h ; then
3126 check_func closesocket
3127 elif check_header winsock2.h ; then
3128 check_func_headers winsock2.h closesocket -lws2 &&
3129 network_extralibs="-lws2" ||
3130 { check_func_headers winsock2.h closesocket -lws2_32 &&
3131 network_extralibs="-lws2_32"; }
3132 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3133 check_type ws2tcpip.h socklen_t
3134 check_type ws2tcpip.h "struct addrinfo"
3135 check_type ws2tcpip.h "struct group_source_req"
3136 check_type ws2tcpip.h "struct ip_mreq_source"
3137 check_type ws2tcpip.h "struct ipv6_mreq"
3138 check_type winsock2.h "struct pollfd"
3139 check_type ws2tcpip.h "struct sockaddr_in6"
3140 check_type ws2tcpip.h "struct sockaddr_storage"
3141 check_struct winsock2.h "struct sockaddr" sa_len
3142 else
3143 disable network
3144 fi
3145fi
3146
3147# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3148check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3149
3150check_func fcntl
3151check_func fork
3152check_func gethrtime
3153check_func getopt
3154check_func getrusage
3155check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3156check_func gettimeofday
3157check_func inet_aton $network_extralibs
3158check_func isatty
3159check_func localtime_r
3160check_func ${malloc_prefix}memalign && enable memalign
3161check_func mkstemp
3162check_func mmap
3163check_func ${malloc_prefix}posix_memalign && enable posix_memalign
3164check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
3165check_func setrlimit
3166check_func strerror_r
3167check_func strptime
3168check_func strtok_r
3169check_func sched_getaffinity
3170check_func sysconf
3171check_func sysctl
3172check_func usleep
3173check_func_headers io.h setmode
3174check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3175check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3176check_func_headers windows.h GetProcessAffinityMask
3177check_func_headers windows.h GetProcessTimes
3178check_func_headers windows.h GetSystemTimeAsFileTime
3179check_func_headers windows.h MapViewOfFile
3180check_func_headers windows.h Sleep
3181check_func_headers windows.h VirtualAlloc
3182
3183check_header direct.h
3184check_header dlfcn.h
3185check_header dxva.h
3186check_header dxva2api.h
3187check_header io.h
3188check_header malloc.h
3189check_header poll.h
3190check_header sys/mman.h
3191check_header sys/param.h
3192check_header sys/resource.h
3193check_header sys/select.h
3194check_header sys/time.h
3195check_header unistd.h
3196check_header vdpau/vdpau.h
3197check_header vdpau/vdpau_x11.h
3198check_header windows.h
3199check_header X11/extensions/XvMClib.h
3200
3201disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
3202disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3203
3204if ! disabled w32threads && ! enabled pthreads; then
3205 check_func _beginthreadex && enable w32threads
3206fi
3207
3208# check for some common methods of building with pthread support
3209# do this before the optional library checks as some of them require pthreads
3210if ! disabled pthreads && ! enabled w32threads; then
3211 enable pthreads
3212 if check_func pthread_create; then
3213 :
3214 elif check_func pthread_create -pthread; then
3215 add_cflags -pthread
3216 add_extralibs -pthread
3217 elif check_func pthread_create -pthreads; then
3218 add_cflags -pthreads
3219 add_extralibs -pthreads
3220 elif check_func pthread_create -lpthreadGC2; then
3221 add_extralibs -lpthreadGC2
3222 elif ! check_lib pthread.h pthread_create -lpthread; then
3223 disable pthreads
3224 fi
3225fi
3226
3227for thread in $THREADS_LIST; do
3228 if enabled $thread; then
3229 test -n "$thread_type" &&
3230 die "ERROR: Only one thread type must be selected." ||
3231 thread_type="$thread"
3232 fi
3233done
3234
3235check_lib math.h sin -lm && LIBM="-lm"
3236enabled vaapi && require vaapi va/va.h vaInitialize -lva
3237
3238check_mathfunc cbrtf
3239check_mathfunc exp2
3240check_mathfunc exp2f
3241check_mathfunc isinf
3242check_mathfunc isnan
3243check_mathfunc llrint
3244check_mathfunc llrintf
3245check_mathfunc log2
3246check_mathfunc log2f
3247check_mathfunc lrint
3248check_mathfunc lrintf
3249check_mathfunc rint
3250check_mathfunc round
3251check_mathfunc roundf
3252check_mathfunc trunc
3253check_mathfunc truncf
3254
3255# these are off by default, so fail if requested and not available
3256enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3257enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3258enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3259enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3260enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3261enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3262enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
3263enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3264enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3265enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3266enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3267enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3268enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3269enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3270enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3271enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3272enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
3273enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3274enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3275enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3276enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3277enabled libvpx && {
3278 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3279 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3280 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
3281 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
3282enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
3283 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3284 die "ERROR: libx264 version must be >= 0.118."; }
3285enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
3286enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
3287enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3288 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3289 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3290 die "ERROR: openssl not found"; }
3291
3292if enabled gnutls; then
3293 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3294 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3295fi
3296
3297# libdc1394 check
3298if enabled libdc1394; then
3299 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3300 enable libdc1394_2; } ||
3301 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3302 enable libdc1394_1; } ||
3303 die "ERROR: No version of libdc1394 found "
3304fi
3305
3306if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3307 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3308 enable sdl &&
3309 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3310fi
3311
3312texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3313
3314check_header linux/fb.h
3315check_header linux/videodev2.h
3316check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3317
3318check_header sys/videoio.h
3319
3320check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3321# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3322# w32api 3.12 had it defined wrong
3323check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3324
3325# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3326{ check_header dev/bktr/ioctl_meteor.h &&
3327 check_header dev/bktr/ioctl_bt848.h; } ||
3328{ check_header machine/ioctl_meteor.h &&
3329 check_header machine/ioctl_bt848.h; } ||
3330{ check_header dev/video/meteor/ioctl_meteor.h &&
3331 check_header dev/video/bktr/ioctl_bt848.h; } ||
3332check_header dev/ic/bt8xx.h
3333
3334check_header sndio.h
3335check_header sys/soundcard.h
3336check_header soundcard.h
3337
3338enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3339
3340enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3341 check_func jack_port_get_latency_range -ljack
3342
3343enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3344
3345enabled libcdio &&
3346 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3347
3348enabled x11grab &&
3349require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3350require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3351require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3352
3353# check for VDA header
3354if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3355 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3356fi
3357
3358if ! disabled vdpau && enabled vdpau_vdpau_h; then
3359 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3360 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." && disable vdpau; }
3361fi
3362
3363enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3364
3365# add some useful compiler flags if supported
3366check_cflags -Wdeclaration-after-statement
3367check_cflags -Wall
3368check_cflags -Wno-parentheses
3369check_cflags -Wno-switch
3370check_cflags -Wno-format-zero-length
3371check_cflags -Wdisabled-optimization
3372check_cflags -Wpointer-arith
3373check_cflags -Wredundant-decls
3374check_cflags -Wno-pointer-sign
3375check_cflags -Wcast-qual
3376check_cflags -Wwrite-strings
3377check_cflags -Wtype-limits
3378check_cflags -Wundef
3379check_cflags -Wmissing-prototypes
3380check_cflags -Wstrict-prototypes
3381enabled extra_warnings && check_cflags -Winline
3382
3383# add some linker flags
3384check_ldflags -Wl,--warn-common
3385check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3386test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3387
3388enabled xmm_clobber_test &&
3389 check_ldflags -Wl,--wrap,avcodec_open2 \
3390 -Wl,--wrap,avcodec_decode_audio4 \
3391 -Wl,--wrap,avcodec_decode_video2 \
3392 -Wl,--wrap,avcodec_decode_subtitle2 \
3393 -Wl,--wrap,avcodec_encode_audio2 \
3394 -Wl,--wrap,avcodec_encode_video \
3395 -Wl,--wrap,avcodec_encode_subtitle \
3396 -Wl,--wrap,sws_scale ||
3397 disable xmm_clobber_test
3398
3399echo "X{};" > $TMPV
3400if test_ldflags -Wl,--version-script,$TMPV; then
3401 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3402 check_cc <<EOF && enable symver_asm_label
3403void ff_foo(void) __asm__ ("av_foo@VERSION");
3404void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3405EOF
3406 check_cc <<EOF && enable symver_gnu_asm
3407__asm__(".symver ff_foo,av_foo@VERSION");
3408void ff_foo(void) {}
3409EOF
3410fi
3411
3412if [ -n "$optflags" ]; then
3413 add_cflags $optflags
3414elif enabled small; then
3415 add_cflags $cflags_size
3416elif enabled optimizations; then
3417 add_cflags $cflags_speed
3418else
3419 add_cflags $cflags_noopt
3420fi
3421check_cflags -fno-math-errno
3422check_cflags -fno-signed-zeros
3423
3424if enabled icc; then
3425 # Just warnings, no remarks
3426 check_cflags -w1
3427 # -wd: Disable following warnings
3428 # 144, 167, 556: -Wno-pointer-sign
3429 # 1292: attribute "foo" ignored
3430 # 1419: external declaration in primary source file
3431 # 10006: ignoring unknown option -fno-signed-zeros
3432 # 10148: ignoring unknown option -Wno-parentheses
3433 # 10156: ignoring option '-W'; no argument required
3434 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3435 # 11030: Warning unknown option --as-needed
3436 # 10156: ignoring option '-export'; no argument required
3437 check_ldflags -wd10156,11030
3438 # Allow to compile with optimizations
3439 check_ldflags -march=$cpu
3440 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3441 enable ebp_available
3442 if enabled x86_32; then
3443 icc_version=$($cc -dumpversion)
3444 test ${icc_version%%.*} -ge 11 &&
3445 check_cflags -falign-stack=maintain-16-byte ||
3446 disable aligned_stack
3447 fi
3448elif enabled ccc; then
3449 # disable some annoying warnings
3450 add_cflags -msg_disable cvtu32to64
3451 add_cflags -msg_disable embedcomment
3452 add_cflags -msg_disable needconstext
3453 add_cflags -msg_disable nomainieee
3454 add_cflags -msg_disable ptrmismatch1
3455 add_cflags -msg_disable unreachcode
3456elif enabled gcc; then
3457 check_cflags -fno-tree-vectorize
3458 check_cflags -Werror=implicit-function-declaration
3459 check_cflags -Werror=missing-prototypes
3460 check_cflags -Werror=declaration-after-statement
3461elif enabled llvm_gcc; then
3462 check_cflags -mllvm -stack-alignment=16
3463elif enabled clang; then
3464 check_cflags -mllvm -stack-alignment=16
3465 check_cflags -Qunused-arguments
3466elif enabled armcc; then
3467 # 2523: use of inline assembler is deprecated
3468 add_cflags -W${armcc_opt},--diag_suppress=2523
3469 add_cflags -W${armcc_opt},--diag_suppress=1207
3470 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3471 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3472 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3473 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3474elif enabled tms470; then
3475 add_cflags -pds=824 -pds=837
3476elif enabled pathscale; then
3477 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3478elif enabled msvc; then
3479 enabled x86_32 && disable aligned_stack
3480fi
3481
3482enabled_any $THREADS_LIST && enable threads
3483
3484enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3485
3486check_deps $CONFIG_LIST \
3487 $CONFIG_EXTRA \
3488 $HAVE_LIST \
3489 $ALL_COMPONENTS \
3490 $ALL_TESTS \
3491
3492! enabled_any memalign posix_memalign aligned_malloc &&
3493 enabled_any $need_memalign && enable memalign_hack
3494
3495echo "install prefix $prefix"
3496echo "source path $source_path"
3497echo "C compiler $cc"
3498echo "ARCH $arch ($cpu)"
3499if test "$build_suffix" != ""; then
3500 echo "build suffix $build_suffix"
3501fi
3502if test "$extra_version" != ""; then
3503 echo "version string suffix $extra_version"
3504fi
3505echo "big-endian ${bigendian-no}"
3506echo "runtime cpu detection ${runtime_cpudetect-no}"
3507if enabled x86; then
3508 echo "${yasmexe} ${yasm-no}"
3509 echo "MMX enabled ${mmx-no}"
3510 echo "MMXEXT enabled ${mmxext-no}"
3511 echo "3DNow! enabled ${amd3dnow-no}"
3512 echo "3DNow! extended enabled ${amd3dnowext-no}"
3513 echo "SSE enabled ${sse-no}"
3514 echo "SSSE3 enabled ${ssse3-no}"
3515 echo "AVX enabled ${avx-no}"
3516 echo "FMA4 enabled ${fma4-no}"
3517 echo "CMOV enabled ${cmov-no}"
3518 echo "CMOV is fast ${fast_cmov-no}"
3519 echo "EBX available ${ebx_available-no}"
3520 echo "EBP available ${ebp_available-no}"
3521fi
3522if enabled arm; then
3523 echo "ARMv5TE enabled ${armv5te-no}"
3524 echo "ARMv6 enabled ${armv6-no}"
3525 echo "ARMv6T2 enabled ${armv6t2-no}"
3526 echo "ARM VFP enabled ${armvfp-no}"
3527 echo "NEON enabled ${neon-no}"
3528fi
3529if enabled mips; then
3530 echo "MMI enabled ${mmi-no}"
3531fi
3532if enabled ppc; then
3533 echo "AltiVec enabled ${altivec-no}"
3534 echo "PPC 4xx optimizations ${ppc4xx-no}"
3535 echo "dcbzl available ${dcbzl-no}"
3536fi
3537if enabled sparc; then
3538 echo "VIS enabled ${vis-no}"
3539fi
3540echo "debug symbols ${debug-no}"
3541echo "optimize for size ${small-no}"
3542echo "optimizations ${optimizations-no}"
3543echo "static ${static-no}"
3544echo "shared ${shared-no}"
3545echo "new filter support ${avfilter-no}"
3546echo "network support ${network-no}"
3547echo "threading support ${thread_type-no}"
3548echo "safe bitstream reader ${safe_bitstream_reader-no}"
3549echo "SDL support ${sdl-no}"
3550echo "libdxva2 enabled ${dxva2-no}"
3551echo "libva enabled ${vaapi-no}"
3552echo "libvdpau enabled ${vdpau-no}"
3553echo "AVISynth enabled ${avisynth-no}"
3554echo "frei0r enabled ${frei0r-no}"
3555echo "gnutls enabled ${gnutls-no}"
3556echo "libcdio support ${libcdio-no}"
3557echo "libdc1394 support ${libdc1394-no}"
3558echo "libfaac enabled ${libfaac-no}"
3559echo "libfdk-aac enabled ${libfdk_aac-no}"
3560echo "libgsm enabled ${libgsm-no}"
3561echo "libilbc enabled ${libilbc-no}"
3562echo "libmp3lame enabled ${libmp3lame-no}"
3563echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3564echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3565echo "libopencv support ${libopencv-no}"
3566echo "libopenjpeg enabled ${libopenjpeg-no}"
3567echo "libpulse enabled ${libpulse-no}"
3568echo "librtmp enabled ${librtmp-no}"
3569echo "libschroedinger enabled ${libschroedinger-no}"
3570echo "libspeex enabled ${libspeex-no}"
3571echo "libtheora enabled ${libtheora-no}"
3572echo "libvo-aacenc support ${libvo_aacenc-no}"
3573echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3574echo "libvorbis enabled ${libvorbis-no}"
3575echo "libvpx enabled ${libvpx-no}"
3576echo "libx264 enabled ${libx264-no}"
3577echo "libxavs enabled ${libxavs-no}"
3578echo "libxvid enabled ${libxvid-no}"
3579echo "openssl enabled ${openssl-no}"
3580echo "zlib enabled ${zlib-no}"
3581echo "bzlib enabled ${bzlib-no}"
3582test -n "$random_seed" &&
3583 echo "random seed ${random_seed}"
3584echo
3585
3586for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3587 echo "Enabled ${type}s:"
3588 eval list=\$$(toupper $type)_LIST
3589 print_enabled '_*' $list | sort | pr -r -3 -t
3590 echo
3591done
3592
3593license="LGPL version 2.1 or later"
3594if enabled nonfree; then
3595 license="nonfree and unredistributable"
3596elif enabled gplv3; then
3597 license="GPL version 3 or later"
3598elif enabled lgplv3; then
3599 license="LGPL version 3 or later"
3600elif enabled gpl; then
3601 license="GPL version 2 or later"
3602fi
3603
3604echo "License: $license"
3605
3606echo "Creating config.mak and config.h..."
3607
3608test -e Makefile || $ln_s "$source_path/Makefile" .
3609
3610config_files="$TMPH config.mak"
3611
3612cat > config.mak <<EOF
3613# Automatically generated by configure - do not modify!
3614LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3615prefix=$prefix
3616LIBDIR=\$(DESTDIR)$libdir
3617SHLIBDIR=\$(DESTDIR)$shlibdir
3618INCDIR=\$(DESTDIR)$incdir
3619BINDIR=\$(DESTDIR)$bindir
3620DATADIR=\$(DESTDIR)$datadir
3621MANDIR=\$(DESTDIR)$mandir
3622SRC_PATH=$source_path
3623CC_IDENT=$cc_ident
3624ARCH=$arch
3625CC=$cc
3626AS=$as
3627LD=$ld
3628DEPCC=$dep_cc
3629DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
3630DEPAS=$as
3631DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
3632YASM=$yasmexe
3633DEPYASM=$yasmexe
3634AR=$ar
3635RANLIB=$ranlib
3636LN_S=$ln_s
3637CPPFLAGS=$CPPFLAGS
3638CFLAGS=$CFLAGS
3639ASFLAGS=$ASFLAGS
3640AS_C=$AS_C
3641AS_O=$AS_O
3642CC_C=$CC_C
3643CC_O=$CC_O
3644LD_O=$LD_O
3645LD_LIB=$LD_LIB
3646LD_PATH=$LD_PATH
3647DLLTOOL=$dlltool
3648LDFLAGS=$LDFLAGS
3649LDFLAGS-avserver=$AVSERVERLDFLAGS
3650SHFLAGS=$SHFLAGS
3651YASMFLAGS=$YASMFLAGS
3652BUILDSUF=$build_suffix
3653FULLNAME=$FULLNAME
3654LIBPREF=$LIBPREF
3655LIBSUF=$LIBSUF
3656LIBNAME=$LIBNAME
3657SLIBPREF=$SLIBPREF
3658SLIBSUF=$SLIBSUF
3659EXESUF=$EXESUF
3660EXTRA_VERSION=$extra_version
3661CCDEP=$CCDEP
3662CCDEP_FLAGS=$CCDEP_FLAGS
3663ASDEP=$ASDEP
3664ASDEP_FLAGS=$ASDEP_FLAGS
3665CC_DEPFLAGS=$CC_DEPFLAGS
3666AS_DEPFLAGS=$AS_DEPFLAGS
3667HOSTCC=$host_cc
3668HOSTLD=$host_ld
3669HOSTCFLAGS=$host_cflags
3670HOSTEXESUF=$HOSTEXESUF
3671HOSTLDFLAGS=$host_ldflags
3672HOSTLIBS=$host_libs
3673DEPHOSTCC=$host_cc
3674DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
3675HOSTCCDEP=$HOSTCCDEP
3676HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
3677HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
3678HOSTCC_C=$HOSTCC_C
3679HOSTCC_O=$HOSTCC_O
3680HOSTLD_O=$HOSTLD_O
3681TARGET_EXEC=$target_exec
3682TARGET_PATH=$target_path
3683LIBS-avplay=$sdl_libs
3684CFLAGS-avplay=$sdl_cflags
3685ZLIB=$($ldflags_filter -lz)
3686LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3687EXTRALIBS=$extralibs
3688INSTALL=install
3689LIBTARGET=${LIBTARGET}
3690SLIBNAME=${SLIBNAME}
3691SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3692SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3693SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3694SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3695SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3696SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3697SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3698SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3699SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
3700EOF
3701
3702get_version(){
3703 lcname=$1
3704 name=$(toupper $lcname)
3705 file=$source_path/$lcname/version.h
3706 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3707 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3708 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3709 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3710}
3711
3712get_version libavcodec
3713get_version libavdevice
3714get_version libavfilter
3715get_version libavformat
3716get_version libavresample
3717get_version libavutil
3718get_version libswscale
3719
3720cat > $TMPH <<EOF
3721/* Automatically generated by configure - do not modify! */
3722#ifndef LIBAV_CONFIG_H
3723#define LIBAV_CONFIG_H
3724#define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3725#define LIBAV_LICENSE "$(c_escape $license)"
3726#define AVCONV_DATADIR "$(eval c_escape $datadir)"
3727#define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
3728#define restrict $_restrict
3729#define EXTERN_PREFIX "${extern_prefix}"
3730#define EXTERN_ASM ${extern_prefix}
3731#define SLIBSUF "$SLIBSUF"
3732EOF
3733
3734test -n "$malloc_prefix" &&
3735 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3736
3737if enabled yasm; then
3738 append config_files $TMPASM
3739 printf '' >$TMPASM
3740fi
3741
3742print_config ARCH_ "$config_files" $ARCH_LIST
3743print_config HAVE_ "$config_files" $HAVE_LIST
3744print_config CONFIG_ "$config_files" $CONFIG_LIST \
3745 $CONFIG_EXTRA \
3746 $ALL_COMPONENTS \
3747
3748cat >>config.mak <<EOF
3749LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3750LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3751SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3752EOF
3753
3754echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3755
3756# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3757cp_if_changed $TMPH config.h
3758touch .config
3759
3760enabled yasm && cp_if_changed $TMPASM config.asm
3761
3762cat > $TMPH <<EOF
3763/* Generated by ffconf */
3764#ifndef AVUTIL_AVCONFIG_H
3765#define AVUTIL_AVCONFIG_H
3766EOF
3767
3768print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3769
3770echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3771
3772cp_if_changed $TMPH libavutil/avconfig.h
3773
3774test -n "$WARNINGS" && printf "\n$WARNINGS"
3775
3776# build pkg-config files
3777
3778pkgconfig_generate(){
3779 name=$1
3780 shortname=${name#lib}${build_suffix}
3781 comment=$2
3782 version=$3
3783 libs=$4
3784 requires=$5
3785 enabled ${name#lib} || return 0
3786 mkdir -p $name
3787 cat <<EOF > $name/$name.pc
3788prefix=$prefix
3789exec_prefix=\${prefix}
3790libdir=$libdir
3791includedir=$incdir
3792
3793Name: $name
3794Description: $comment
3795Version: $version
3796Requires: $(enabled shared || echo $requires)
3797Requires.private: $(enabled shared && echo $requires)
3798Conflicts:
3799Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3800Libs.private: $(enabled shared && echo $libs)
3801Cflags: -I\${includedir}
3802EOF
3803 cat <<EOF > $name/$name-uninstalled.pc
3804prefix=
3805exec_prefix=
3806libdir=\${pcfiledir}
3807includedir=${source_path}
3808
3809Name: $name
3810Description: $comment
3811Version: $version
3812Requires: $requires
3813Conflicts:
3814Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3815Cflags: -I\${includedir}
3816EOF
3817}
3818
3819pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3820pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3821pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3822pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3823pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3824pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3825pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"