avutil: Move memcpy_backptr() to mem.c
[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
57test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59show_help(){
60 cat <<EOF
61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
64Help options:
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
84 --libdir=DIR install libs in DIR [PREFIX/lib]
85 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
86 --incdir=DIR install includes in DIR [PREFIX/include]
87 --mandir=DIR install man page in DIR [PREFIX/share/man]
88
89Licensing options:
90 --enable-gpl allow use of GPL code, the resulting libs
91 and binaries will be under GPL [no]
92 --enable-version3 upgrade (L)GPL to version 3 [no]
93 --enable-nonfree allow use of nonfree code, the resulting libs
94 and binaries will be unredistributable [no]
95
96Configuration options:
97 --disable-static do not build static libraries [no]
98 --enable-shared build shared libraries [no]
99 --enable-small optimize for size instead of speed
100 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
103
104Component options:
105 --disable-doc do not build documentation
106 --disable-avconv disable avconv build
107 --disable-avplay disable avplay build
108 --disable-avprobe disable avprobe build
109 --disable-avserver disable avserver build
110 --disable-avdevice disable libavdevice build
111 --disable-avcodec disable libavcodec build
112 --disable-avformat disable libavformat build
113 --disable-swscale disable libswscale build
114 --disable-avfilter disable video filter support [no]
115 --disable-avresample disable libavresample build [no]
116 --disable-pthreads disable pthreads [auto]
117 --disable-w32threads disable Win32 threads [auto]
118 --enable-x11grab enable X11 grabbing [no]
119 --disable-network disable network support [no]
120 --disable-dct disable DCT code
121 --disable-dwt disable DWT code
122 --disable-lsp disable LSP code
123 --disable-mdct disable MDCT code
124 --disable-rdft disable RDFT code
125 --disable-fft disable FFT code
126 --enable-dxva2 enable DXVA2 code
127 --enable-vaapi enable VAAPI code
128 --enable-vda enable VDA code
129 --enable-vdpau enable VDPAU code
130
131Individual component options:
132 --disable-everything disable all components listed below
133 --disable-encoder=NAME disable encoder NAME
134 --enable-encoder=NAME enable encoder NAME
135 --disable-encoders disable all encoders
136 --disable-decoder=NAME disable decoder NAME
137 --enable-decoder=NAME enable decoder NAME
138 --disable-decoders disable all decoders
139 --disable-hwaccel=NAME disable hwaccel NAME
140 --enable-hwaccel=NAME enable hwaccel NAME
141 --disable-hwaccels disable all hwaccels
142 --disable-muxer=NAME disable muxer NAME
143 --enable-muxer=NAME enable muxer NAME
144 --disable-muxers disable all muxers
145 --disable-demuxer=NAME disable demuxer NAME
146 --enable-demuxer=NAME enable demuxer NAME
147 --disable-demuxers disable all demuxers
148 --enable-parser=NAME enable parser NAME
149 --disable-parser=NAME disable parser NAME
150 --disable-parsers disable all parsers
151 --enable-bsf=NAME enable bitstream filter NAME
152 --disable-bsf=NAME disable bitstream filter NAME
153 --disable-bsfs disable all bitstream filters
154 --enable-protocol=NAME enable protocol NAME
155 --disable-protocol=NAME disable protocol NAME
156 --disable-protocols disable all protocols
157 --enable-indev=NAME enable input device NAME
158 --disable-indev=NAME disable input device NAME
159 --disable-indevs disable input devices
160 --enable-outdev=NAME enable output device NAME
161 --disable-outdev=NAME disable output device NAME
162 --disable-outdevs disable output devices
163 --disable-devices disable all devices
164 --enable-filter=NAME enable filter NAME
165 --disable-filter=NAME disable filter NAME
166 --disable-filters disable all filters
167
168External library support:
169 --enable-avisynth enable reading of AVISynth script files [no]
170 --enable-bzlib enable bzlib [autodetect]
171 --enable-frei0r enable frei0r video filtering
172 --enable-gnutls enable gnutls [no]
173 --enable-libcdio enable audio CD grabbing with libcdio
174 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
175 and libraw1394 [no]
176 --enable-libfaac enable AAC encoding via libfaac [no]
177 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
178 --enable-libfreetype enable libfreetype [no]
179 --enable-libgsm enable GSM de/encoding via libgsm [no]
180 --enable-libilbc enable iLBC de/encoding via libilbc [no]
181 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
182 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
183 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
184 --enable-libopencv enable video filtering via libopencv [no]
185 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
186 --enable-libopus enable Opus decoding via libopus [no]
187 --enable-libpulse enable Pulseaudio input via libpulse [no]
188 --enable-librtmp enable RTMP[E] support via librtmp [no]
189 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
190 --enable-libspeex enable Speex de/encoding via libspeex [no]
191 --enable-libtheora enable Theora encoding via libtheora [no]
192 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
193 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
194 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
195 --enable-libvpx enable VP8 de/encoding via libvpx [no]
196 --enable-libx264 enable H.264 encoding via x264 [no]
197 --enable-libxavs enable AVS encoding via xavs [no]
198 --enable-libxvid enable Xvid encoding via xvidcore,
199 native MPEG-4/Xvid encoder exists [no]
200 --enable-openssl enable openssl [no]
201 --enable-zlib enable zlib [autodetect]
202
203Advanced options (experts only):
204 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
205 --enable-cross-compile assume a cross-compiler is used
206 --sysroot=PATH root of cross-build tree
207 --sysinclude=PATH location of cross-build system headers
208 --target-os=OS compiler targets OS [$target_os]
209 --target-exec=CMD command to run executables on target
210 --target-path=DIR path to view of build directory on target
211 --toolchain=NAME set tool defaults according to NAME
212 --nm=NM use nm tool
213 --ar=AR use archive tool AR [$ar_default]
214 --as=AS use assembler AS [$as_default]
215 --cc=CC use C compiler CC [$cc_default]
216 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
217 --ld=LD use linker LD
218 --host-cc=HOSTCC use host C compiler HOSTCC
219 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
220 --host-ld=HOSTLD use host linker HOSTLD
221 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
222 --host-libs=HLIBS use libs HLIBS when linking for host
223 --host-os=OS compiler host OS [$target_os]
224 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
225 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
226 --extra-libs=ELIBS add ELIBS [$ELIBS]
227 --extra-version=STRING version string suffix []
228 --optflags=OPTFLAGS override optimization-related compiler flags
229 --build-suffix=SUFFIX library name suffix []
230 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
231 --arch=ARCH select architecture [$arch]
232 --cpu=CPU select the minimum required CPU (affects
233 instruction selection, may crash on older CPUs)
234 --enable-pic build position-independent code
235 --enable-sram allow use of on-chip SRAM
236 --enable-thumb compile for Thumb instruction set
237 --disable-symver disable symbol versioning
238 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
239 --disable-safe-bitstream-reader
240 disable buffer boundary checking in bitreaders
241 (faster, but may crash)
242 --enable-memalign-hack emulate memalign, interferes with memory debuggers
243 --enable-lto use link-time optimization
244
245Optimization options (experts only):
246 --disable-asm disable all assembler optimizations
247 --disable-altivec disable AltiVec optimizations
248 --disable-amd3dnow disable 3DNow! optimizations
249 --disable-amd3dnowext disable 3DNow! extended optimizations
250 --disable-mmx disable MMX optimizations
251 --disable-mmxext disable MMXEXT optimizations
252 --disable-sse disable SSE optimizations
253 --disable-sse2 disable SSE2 optimizations
254 --disable-sse3 disable SSE3 optimizations
255 --disable-ssse3 disable SSSE3 optimizations
256 --disable-sse4 disable SSE4 optimizations
257 --disable-sse42 disable SSE4.2 optimizations
258 --disable-avx disable AVX optimizations
259 --disable-fma4 disable FMA4 optimizations
260 --disable-armv5te disable armv5te optimizations
261 --disable-armv6 disable armv6 optimizations
262 --disable-armv6t2 disable armv6t2 optimizations
263 --disable-armvfp disable ARM VFP optimizations
264 --disable-neon disable NEON optimizations
265 --disable-vis disable VIS optimizations
266 --disable-inline-asm disable use of inline assembler
267 --disable-yasm disable use of yasm assembler
268
269Developer options (useful when working on Libav itself):
270 --disable-debug disable debugging symbols
271 --enable-debug=LEVEL set the debug level [$debuglevel]
272 --disable-optimizations disable compiler optimizations
273 --enable-extra-warnings enable more compiler warnings
274 --samples=PATH location of test samples for FATE, if not set use
275 \$LIBAV_SAMPLES at make invocation time.
276 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
277 should be used only for debugging purposes)
278 --enable-random randomly enable/disable components
279 --disable-random
280 --enable-random=LIST randomly enable/disable specific components or
281 --disable-random=LIST component groups. LIST is a comma-separated list
282 of NAME[:PROB] entries where NAME is a component
283 (group) and PROB the probability associated with
284 NAME (default 0.5).
285 --random-seed=VALUE seed value for --enable/disable-random
286
287NOTE: Object files are built at the place where configure is launched.
288EOF
289 exit 0
290}
291
292quotes='""'
293
294log(){
295 echo "$@" >> $logfile
296}
297
298log_file(){
299 log BEGIN $1
300 pr -n -t $1 >> $logfile
301 log END $1
302}
303
304echolog(){
305 log "$@"
306 echo "$@"
307}
308
309warn(){
310 log "WARNING: $*"
311 WARNINGS="${WARNINGS}WARNING: $*\n"
312}
313
314die(){
315 echolog "$@"
316 cat <<EOF
317
318If you think configure made a mistake, make sure you are using the latest
319version from Git. If the latest version fails, report the problem to the
320libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
321EOF
322 if disabled logging; then
323 cat <<EOF
324Rerun configure with logging enabled (do not use --disable-logging), and
325include the log this produces with your report.
326EOF
327 else
328 cat <<EOF
329Include the log file "$logfile" produced by configure as this will help
330solving the problem.
331EOF
332 fi
333 exit 1
334}
335
336# Avoid locale weirdness, besides we really just want to translate ASCII.
337toupper(){
338 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
339}
340
341tolower(){
342 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
343}
344
345c_escape(){
346 echo "$*" | sed 's/["\\]/\\\0/g'
347}
348
349sh_quote(){
350 v=$(echo "$1" | sed "s/'/'\\\\''/g")
351 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
352 echo "$v"
353}
354
355cleanws(){
356 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
357}
358
359filter(){
360 pat=$1
361 shift
362 for v; do
363 eval "case $v in $pat) echo $v ;; esac"
364 done
365}
366
367filter_out(){
368 pat=$1
369 shift
370 for v; do
371 eval "case $v in $pat) ;; *) echo $v ;; esac"
372 done
373}
374
375map(){
376 m=$1
377 shift
378 for v; do eval $m; done
379}
380
381add_suffix(){
382 suffix=$1
383 shift
384 for v; do echo ${v}${suffix}; done
385}
386
387set_all(){
388 value=$1
389 shift
390 for var in $*; do
391 eval $var=$value
392 done
393}
394
395set_weak(){
396 value=$1
397 shift
398 for var; do
399 eval : \${$var:=$value}
400 done
401}
402
403set_safe(){
404 var=$1
405 shift
406 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
407}
408
409get_safe(){
410 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
411}
412
413pushvar(){
414 for var in $*; do
415 eval level=\${${var}_level:=0}
416 eval ${var}_${level}="\$$var"
417 eval ${var}_level=$(($level+1))
418 done
419}
420
421popvar(){
422 for var in $*; do
423 eval level=\${${var}_level:-0}
424 test $level = 0 && continue
425 eval level=$(($level-1))
426 eval $var="\${${var}_${level}}"
427 eval ${var}_level=$level
428 eval unset ${var}_${level}
429 done
430}
431
432enable(){
433 set_all yes $*
434}
435
436disable(){
437 set_all no $*
438}
439
440enable_weak(){
441 set_weak yes $*
442}
443
444disable_weak(){
445 set_weak no $*
446}
447
448enable_safe(){
449 for var; do
450 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
451 done
452}
453
454disable_safe(){
455 for var; do
456 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
457 done
458}
459
460do_enable_deep(){
461 for var; do
462 enabled $var && continue
463 eval sel="\$${var}_select"
464 eval sgs="\$${var}_suggest"
465 pushvar var sgs
466 enable_deep $sel
467 popvar sgs
468 enable_deep_weak $sgs
469 popvar var
470 done
471}
472
473enable_deep(){
474 do_enable_deep $*
475 enable $*
476}
477
478enable_deep_weak(){
479 do_enable_deep $*
480 enable_weak $*
481}
482
483enabled(){
484 test "${1#!}" = "$1" && op== || op=!=
485 eval test "x\$${1#!}" $op "xyes"
486}
487
488disabled(){
489 test "${1#!}" = "$1" && op== || op=!=
490 eval test "x\$${1#!}" $op "xno"
491}
492
493enabled_all(){
494 for opt; do
495 enabled $opt || return 1
496 done
497}
498
499disabled_all(){
500 for opt; do
501 disabled $opt || return 1
502 done
503}
504
505enabled_any(){
506 for opt; do
507 enabled $opt && return 0
508 done
509}
510
511disabled_any(){
512 for opt; do
513 disabled $opt && return 0
514 done
515 return 1
516}
517
518set_default(){
519 for opt; do
520 eval : \${$opt:=\$${opt}_default}
521 done
522}
523
524is_in(){
525 value=$1
526 shift
527 for var in $*; do
528 [ $var = $value ] && return 0
529 done
530 return 1
531}
532
533check_deps(){
534 for cfg; do
535 cfg="${cfg#!}"
536 enabled ${cfg}_checking && die "Circular dependency for $cfg."
537 disabled ${cfg}_checking && continue
538 enable ${cfg}_checking
539
540 eval dep_all="\$${cfg}_deps"
541 eval dep_any="\$${cfg}_deps_any"
542 eval dep_sel="\$${cfg}_select"
543 eval dep_sgs="\$${cfg}_suggest"
544 eval dep_ifa="\$${cfg}_if"
545 eval dep_ifn="\$${cfg}_if_any"
546
547 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
548 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
549 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
550
551 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
552 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
553 enabled_all $dep_all || disable $cfg
554 enabled_any $dep_any || disable $cfg
555 disabled_any $dep_sel && disable $cfg
556
557 if enabled $cfg; then
558 eval dep_extralibs="\$${cfg}_extralibs"
559 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
560 enable_deep $dep_sel
561 enable_deep_weak $dep_sgs
562 fi
563
564 disable ${cfg}_checking
565 done
566}
567
568print_config_h(){
569 enabled $1 && v=1 || v=0
570 echo "#define $2 $v"
571}
572
573print_config_mak(){
574 enabled $1 && v= || v=!
575 echo "$v$2=yes"
576}
577
578print_config_asm(){
579 enabled $1 && v=1 || v=0
580 echo "%define $2 $v"
581}
582
583print_config(){
584 pfx=$1
585 files=$2
586 shift 2
587 for cfg; do
588 ucname="$(toupper $cfg)"
589 for f in $files; do
590 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
591 done
592 done
593}
594
595print_enabled(){
596 test x"$1" = x-n && end=" " && shift || end="\n"
597 suf=$1
598 shift
599 for v; do
600 enabled $v && printf "%s$end" ${v%$suf};
601 done
602}
603
604append(){
605 var=$1
606 shift
607 eval "$var=\"\$$var $*\""
608}
609
610prepend(){
611 var=$1
612 shift
613 eval "$var=\"$* \$$var\""
614}
615
616add_cppflags(){
617 append CPPFLAGS "$@"
618}
619
620add_cflags(){
621 append CFLAGS $($cflags_filter "$@")
622}
623
624add_asflags(){
625 append ASFLAGS $($asflags_filter "$@")
626}
627
628add_ldflags(){
629 append LDFLAGS $($ldflags_filter "$@")
630}
631
632add_extralibs(){
633 prepend extralibs $($ldflags_filter "$@")
634}
635
636add_host_cflags(){
637 append host_cflags $($host_cflags_filter "$@")
638}
639
640add_host_ldflags(){
641 append host_ldflags $($host_ldflags_filter "$@")
642}
643
644add_compat(){
645 append compat_objs $1
646 shift
647 map 'add_cppflags -D$v' "$@"
648}
649
650check_cmd(){
651 log "$@"
652 "$@" >> $logfile 2>&1
653}
654
655cc_o(){
656 eval printf '%s\\n' $CC_O
657}
658
659cc_e(){
660 eval printf '%s\\n' $CC_E
661}
662
663check_cc(){
664 log check_cc "$@"
665 cat > $TMPC
666 log_file $TMPC
667 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
668}
669
670check_cpp(){
671 log check_cpp "$@"
672 cat > $TMPC
673 log_file $TMPC
674 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
675}
676
677as_o(){
678 eval printf '%s\\n' $AS_O
679}
680
681check_as(){
682 log check_as "$@"
683 cat > $TMPC
684 log_file $TMPC
685 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPC
686}
687
688check_inline_asm(){
689 log check_inline_asm "$@"
690 name="$1"
691 code="$2"
692 shift 2
693 disable $name
694 check_as "$@" <<EOF && enable $name
695void foo(void){ __asm__ volatile($code); }
696EOF
697}
698
699check_yasm(){
700 log check_yasm "$@"
701 echo "$1" > $TMPS
702 log_file $TMPS
703 shift 1
704 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
705}
706
707ld_o(){
708 eval printf '%s\\n' $LD_O
709}
710
711check_ld(){
712 log check_ld "$@"
713 flags=$(filter_out '-l*' "$@")
714 libs=$(filter '-l*' "$@")
715 check_cc $($cflags_filter $flags) || return
716 flags=$($ldflags_filter $flags)
717 libs=$($ldflags_filter $libs)
718 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
719}
720
721check_code(){
722 log check_code "$@"
723 check=$1
724 headers=$2
725 code=$3
726 shift 3
727 {
728 for hdr in $headers; do
729 echo "#include <$hdr>"
730 done
731 echo "int main(void) { $code; return 0; }"
732 } | check_$check "$@"
733}
734
735check_cppflags(){
736 log check_cppflags "$@"
737 check_cc "$@" <<EOF && append CPPFLAGS "$@"
738int x;
739EOF
740}
741
742check_cflags(){
743 log check_cflags "$@"
744 set -- $($cflags_filter "$@")
745 check_cc "$@" <<EOF && append CFLAGS "$@"
746int x;
747EOF
748}
749
750test_ldflags(){
751 log test_ldflags "$@"
752 check_ld "$@" <<EOF
753int main(void){ return 0; }
754EOF
755}
756
757check_ldflags(){
758 log check_ldflags "$@"
759 test_ldflags "$@" && add_ldflags "$@"
760}
761
762check_header(){
763 log check_header "$@"
764 header=$1
765 shift
766 disable_safe $header
767 check_cpp "$@" <<EOF && enable_safe $header
768#include <$header>
769int x;
770EOF
771}
772
773check_func(){
774 log check_func "$@"
775 func=$1
776 shift
777 disable $func
778 check_ld "$@" <<EOF && enable $func
779extern int $func();
780int main(void){ $func(); }
781EOF
782}
783
784check_mathfunc(){
785 log check_mathfunc "$@"
786 func=$1
787 shift
788 disable $func
789 check_ld "$@" <<EOF && enable $func
790#include <math.h>
791float foo(float f) { return $func(f); }
792int main(void){ return 0; }
793EOF
794}
795
796check_func_headers(){
797 log check_func_headers "$@"
798 headers=$1
799 funcs=$2
800 shift 2
801 {
802 for hdr in $headers; do
803 echo "#include <$hdr>"
804 done
805 for func in $funcs; do
806 echo "long check_$func(void) { return (long) $func; }"
807 done
808 echo "int main(void) { return 0; }"
809 } | check_ld "$@" && enable $funcs && enable_safe $headers
810}
811
812check_cpp_condition(){
813 log check_cpp_condition "$@"
814 header=$1
815 condition=$2
816 shift 2
817 check_cpp "$@" <<EOF
818#include <$header>
819#if !($condition)
820#error "unsatisfied condition: $condition"
821#endif
822EOF
823}
824
825check_lib(){
826 log check_lib "$@"
827 header="$1"
828 func="$2"
829 shift 2
830 check_header $header && check_func $func "$@" && add_extralibs "$@"
831}
832
833check_lib2(){
834 log check_lib2 "$@"
835 headers="$1"
836 funcs="$2"
837 shift 2
838 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
839}
840
841check_pkg_config(){
842 log check_pkg_config "$@"
843 pkg="$1"
844 headers="$2"
845 funcs="$3"
846 shift 3
847 $pkg_config --exists $pkg || return
848 pkg_cflags=$($pkg_config --cflags $pkg)
849 pkg_libs=$($pkg_config --libs $pkg)
850 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
851 set_safe ${pkg}_cflags $pkg_cflags &&
852 set_safe ${pkg}_libs $pkg_libs
853}
854
855check_exec(){
856 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
857}
858
859check_exec_crash(){
860 code=$(cat)
861
862 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
863 # are safe but may not be available everywhere. Thus we use
864 # raise(SIGTERM) instead. The check is run in a subshell so we
865 # can redirect the "Terminated" message from the shell. SIGBUS
866 # is not defined by standard C so it is used conditionally.
867
868 (check_exec "$@") >> $logfile 2>&1 <<EOF
869#include <signal.h>
870static void sighandler(int sig){
871 raise(SIGTERM);
872}
873int foo(void){
874 $code
875}
876int main(void){
877 signal(SIGILL, sighandler);
878 signal(SIGFPE, sighandler);
879 signal(SIGSEGV, sighandler);
880#ifdef SIGBUS
881 signal(SIGBUS, sighandler);
882#endif
883 foo();
884}
885EOF
886}
887
888check_type(){
889 log check_type "$@"
890 headers=$1
891 type=$2
892 shift 2
893 disable_safe "$type"
894 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
895}
896
897check_struct(){
898 log check_type "$@"
899 headers=$1
900 struct=$2
901 member=$3
902 shift 3
903 disable_safe "${struct}_${member}"
904 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
905 enable_safe "${struct}_${member}"
906}
907
908require(){
909 name="$1"
910 header="$2"
911 func="$3"
912 shift 3
913 check_lib $header $func "$@" || die "ERROR: $name not found"
914}
915
916require2(){
917 name="$1"
918 headers="$2"
919 func="$3"
920 shift 3
921 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
922}
923
924require_pkg_config(){
925 pkg="$1"
926 check_pkg_config "$@" || die "ERROR: $pkg not found"
927 add_cflags $(get_safe ${pkg}_cflags)
928 add_extralibs $(get_safe ${pkg}_libs)
929}
930
931hostcc_o(){
932 eval printf '%s\\n' $HOSTCC_O
933}
934
935check_host_cc(){
936 log check_host_cc "$@"
937 cat > $TMPC
938 log_file $TMPC
939 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
940}
941
942check_host_cflags(){
943 log check_host_cflags "$@"
944 set -- $($host_cflags_filter "$@")
945 check_host_cc "$@" <<EOF && append host_cflags "$@"
946int x;
947EOF
948}
949
950apply(){
951 file=$1
952 shift
953 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
954}
955
956cp_if_changed(){
957 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
958 mkdir -p "$(dirname $2)"
959 $cp_f "$1" "$2"
960}
961
962# CONFIG_LIST contains configurable options, while HAVE_LIST is for
963# system-dependent things.
964
965COMPONENT_LIST="
966 bsfs
967 decoders
968 demuxers
969 encoders
970 filters
971 hwaccels
972 indevs
973 muxers
974 outdevs
975 parsers
976 protocols
977"
978
979PROGRAM_LIST="
980 avconv
981 avplay
982 avprobe
983 avserver
984"
985
986CONFIG_LIST="
987 $COMPONENT_LIST
988 $PROGRAM_LIST
989 avcodec
990 avdevice
991 avfilter
992 avformat
993 avresample
994 avisynth
995 bzlib
996 dct
997 doc
998 dwt
999 dxva2
1000 fft
1001 frei0r
1002 gnutls
1003 gpl
1004 gray
1005 hardcoded_tables
1006 libcdio
1007 libdc1394
1008 libfaac
1009 libfdk_aac
1010 libfreetype
1011 libgsm
1012 libilbc
1013 libmp3lame
1014 libopencore_amrnb
1015 libopencore_amrwb
1016 libopencv
1017 libopenjpeg
1018 libopus
1019 libpulse
1020 librtmp
1021 libschroedinger
1022 libspeex
1023 libtheora
1024 libvo_aacenc
1025 libvo_amrwbenc
1026 libvorbis
1027 libvpx
1028 libx264
1029 libxavs
1030 libxvid
1031 lsp
1032 mdct
1033 memalign_hack
1034 network
1035 nonfree
1036 openssl
1037 pic
1038 rdft
1039 runtime_cpudetect
1040 safe_bitstream_reader
1041 shared
1042 small
1043 sram
1044 static
1045 swscale
1046 swscale_alpha
1047 thumb
1048 vaapi
1049 vda
1050 vdpau
1051 version3
1052 xmm_clobber_test
1053 x11grab
1054 zlib
1055"
1056
1057THREADS_LIST='
1058 pthreads
1059 w32threads
1060'
1061
1062ARCH_LIST='
1063 alpha
1064 arm
1065 avr32
1066 avr32_ap
1067 avr32_uc
1068 bfin
1069 ia64
1070 m68k
1071 mips
1072 mips64
1073 parisc
1074 ppc
1075 ppc64
1076 s390
1077 sh4
1078 sparc
1079 sparc64
1080 tilegx
1081 tilepro
1082 tomi
1083 x86
1084 x86_32
1085 x86_64
1086'
1087
1088ARCH_EXT_LIST_X86='
1089 amd3dnow
1090 amd3dnowext
1091 avx
1092 fma4
1093 mmx
1094 mmxext
1095 sse
1096 sse2
1097 sse3
1098 sse4
1099 sse42
1100 ssse3
1101'
1102
1103ARCH_EXT_LIST="
1104 $ARCH_EXT_LIST_X86
1105 altivec
1106 armv5te
1107 armv6
1108 armv6t2
1109 armvfp
1110 neon
1111 ppc4xx
1112 vfpv3
1113 vis
1114"
1115
1116HAVE_LIST_CMDLINE='
1117 inline_asm
1118 symver
1119 yasm
1120'
1121
1122HAVE_LIST_PUB='
1123 bigendian
1124 fast_unaligned
1125'
1126
1127MATH_FUNCS="
1128 atanf
1129 atan2f
1130 cbrtf
1131 cosf
1132 exp2
1133 exp2f
1134 expf
1135 isinf
1136 isnan
1137 ldexpf
1138 llrint
1139 llrintf
1140 log2
1141 log2f
1142 log10f
1143 lrint
1144 lrintf
1145 powf
1146 rint
1147 round
1148 roundf
1149 sinf
1150 trunc
1151 truncf
1152"
1153
1154HAVE_LIST="
1155 $ARCH_EXT_LIST
1156 $(add_suffix _external $ARCH_EXT_LIST)
1157 $(add_suffix _inline $ARCH_EXT_LIST)
1158 $HAVE_LIST_CMDLINE
1159 $HAVE_LIST_PUB
1160 $THREADS_LIST
1161 $MATH_FUNCS
1162 aligned_malloc
1163 aligned_stack
1164 alsa_asoundlib_h
1165 altivec_h
1166 arpa_inet_h
1167 asm_mod_q
1168 asm_mod_y
1169 attribute_may_alias
1170 attribute_packed
1171 closesocket
1172 cmov
1173 cpunop
1174 CryptGenRandom
1175 dcbzl
1176 dev_bktr_ioctl_bt848_h
1177 dev_bktr_ioctl_meteor_h
1178 dev_ic_bt8xx_h
1179 dev_video_bktr_ioctl_bt848_h
1180 dev_video_meteor_ioctl_meteor_h
1181 direct_h
1182 dlfcn_h
1183 dlopen
1184 dos_paths
1185 dxva_h
1186 ebp_available
1187 ebx_available
1188 fast_64bit
1189 fast_clz
1190 fast_cmov
1191 fcntl
1192 fork
1193 getaddrinfo
1194 gethrtime
1195 getopt
1196 GetProcessAffinityMask
1197 GetProcessMemoryInfo
1198 GetProcessTimes
1199 GetSystemTimeAsFileTime
1200 getrusage
1201 getservbyport
1202 gettimeofday
1203 gnu_as
1204 ibm_asm
1205 inet_aton
1206 io_h
1207 isatty
1208 jack_port_get_latency_range
1209 ldbrx
1210 libdc1394_1
1211 libdc1394_2
1212 local_aligned_16
1213 local_aligned_8
1214 localtime_r
1215 loongson
1216 machine_ioctl_bt848_h
1217 machine_ioctl_meteor_h
1218 malloc_h
1219 MapViewOfFile
1220 memalign
1221 mkstemp
1222 mm_empty
1223 mmap
1224 mprotect
1225 msvcrt
1226 nanosleep
1227 poll_h
1228 posix_memalign
1229 rdtsc
1230 sched_getaffinity
1231 sdl
1232 sdl_video_size
1233 setmode
1234 setrlimit
1235 Sleep
1236 sndio_h
1237 socklen_t
1238 soundcard_h
1239 strerror_r
1240 strptime
1241 strtok_r
1242 struct_addrinfo
1243 struct_group_source_req
1244 struct_ip_mreq_source
1245 struct_ipv6_mreq
1246 struct_pollfd
1247 struct_rusage_ru_maxrss
1248 struct_sockaddr_in6
1249 struct_sockaddr_sa_len
1250 struct_sockaddr_storage
1251 struct_v4l2_frmivalenum_discrete
1252 symver_asm_label
1253 symver_gnu_asm
1254 sysconf
1255 sysctl
1256 sys_mman_h
1257 sys_param_h
1258 sys_resource_h
1259 sys_select_h
1260 sys_soundcard_h
1261 sys_time_h
1262 sys_videoio_h
1263 threads
1264 unistd_h
1265 usleep
1266 vfp_args
1267 VirtualAlloc
1268 windows_h
1269 winsock2_h
1270 xform_asm
1271 xmm_clobbers
1272"
1273
1274# options emitted with CONFIG_ prefix but not available on command line
1275CONFIG_EXTRA="
1276 aandcttables
1277 ac3dsp
1278 avutil
1279 error_resilience
1280 gcrypt
1281 golomb
1282 gplv3
1283 h264chroma
1284 h264dsp
1285 h264pred
1286 h264qpel
1287 huffman
1288 lgplv3
1289 lpc
1290 mpegaudio
1291 mpegaudiodsp
1292 mpegvideo
1293 mpegvideoenc
1294 nettle
1295 rangecoder
1296 rtpdec
1297 sinewin
1298 vp3dsp
1299"
1300
1301CMDLINE_SELECT="
1302 $ARCH_EXT_LIST
1303 $CONFIG_LIST
1304 $HAVE_LIST_CMDLINE
1305 $THREADS_LIST
1306 asm
1307 cross_compile
1308 debug
1309 extra_warnings
1310 logging
1311 lto
1312 optimizations
1313"
1314
1315PATHS_LIST='
1316 bindir
1317 datadir
1318 incdir
1319 libdir
1320 mandir
1321 prefix
1322 shlibdir
1323'
1324
1325CMDLINE_SET="
1326 $PATHS_LIST
1327 ar
1328 arch
1329 as
1330 build_suffix
1331 cc
1332 cpu
1333 cross_prefix
1334 dep_cc
1335 extra_version
1336 host_cc
1337 host_cflags
1338 host_ld
1339 host_ldflags
1340 host_libs
1341 host_os
1342 ld
1343 logfile
1344 malloc_prefix
1345 nm
1346 optflags
1347 pkg_config
1348 random_seed
1349 samples
1350 sysinclude
1351 sysroot
1352 target_exec
1353 target_os
1354 target_path
1355 toolchain
1356"
1357
1358CMDLINE_APPEND="
1359 extra_cflags
1360"
1361
1362# code dependency declarations
1363
1364# architecture extensions
1365
1366armv5te_deps="arm"
1367armv6_deps="arm"
1368armv6t2_deps="arm"
1369armvfp_deps="arm"
1370neon_deps="arm"
1371vfpv3_deps="armvfp"
1372
1373altivec_deps="ppc"
1374ppc4xx_deps="ppc"
1375
1376vis_deps="sparc"
1377
1378x86_64_suggest="cmov fast_cmov"
1379
1380amd3dnow_deps="mmx"
1381amd3dnowext_deps="amd3dnow"
1382mmx_deps="x86"
1383mmxext_deps="mmx"
1384sse_deps="mmxext"
1385sse2_deps="sse"
1386sse3_deps="sse2"
1387ssse3_deps="sse3"
1388sse4_deps="ssse3"
1389sse42_deps="sse4"
1390avx_deps="sse42"
1391fma4_deps="avx"
1392
1393mmx_external_deps="yasm"
1394mmx_inline_deps="inline_asm"
1395mmx_suggest="mmx_external mmx_inline"
1396
1397for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1398 eval dep=\$${ext}_deps
1399 eval ${ext}_external_deps='"${dep}_external"'
1400 eval ${ext}_inline_deps='"${dep}_inline"'
1401 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1402done
1403
1404aligned_stack_if_any="ppc x86"
1405fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1406fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1407fast_unaligned_if_any="armv6 ppc x86"
1408
1409inline_asm_deps="!tms470"
1410need_memalign="altivec neon sse"
1411
1412symver_if_any="symver_asm_label symver_gnu_asm"
1413
1414log2_deps="!msvcrt"
1415
1416# subsystems
1417dct_select="rdft"
1418mdct_select="fft"
1419rdft_select="fft"
1420mpegaudio_select="mpegaudiodsp"
1421mpegaudiodsp_select="dct"
1422mpegvideoenc_select="mpegvideo"
1423
1424# decoders / encoders / hardware accelerators
1425aac_decoder_select="mdct sinewin"
1426aac_encoder_select="mdct sinewin"
1427aac_latm_decoder_select="aac_decoder aac_latm_parser"
1428ac3_decoder_select="mdct ac3dsp ac3_parser"
1429ac3_encoder_select="mdct ac3dsp"
1430ac3_fixed_encoder_select="mdct ac3dsp"
1431alac_encoder_select="lpc"
1432amrnb_decoder_select="lsp"
1433amrwb_decoder_select="lsp"
1434atrac1_decoder_select="mdct sinewin"
1435atrac3_decoder_select="mdct"
1436binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1437binkaudio_rdft_decoder_select="mdct rdft sinewin"
1438cavs_decoder_select="golomb mpegvideo"
1439cook_decoder_select="mdct sinewin"
1440cscd_decoder_suggest="zlib"
1441dca_decoder_select="mdct"
1442dnxhd_encoder_select="aandcttables mpegvideoenc"
1443dxa_decoder_select="zlib"
1444eac3_decoder_select="ac3_decoder"
1445eac3_encoder_select="ac3_encoder"
1446eamad_decoder_select="aandcttables error_resilience mpegvideo"
1447eatgq_decoder_select="aandcttables"
1448eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1449ffv1_decoder_select="golomb rangecoder"
1450ffv1_encoder_select="rangecoder"
1451ffvhuff_encoder_select="huffman"
1452flac_decoder_select="golomb"
1453flac_encoder_select="golomb lpc"
1454flashsv_decoder_select="zlib"
1455flashsv_encoder_select="zlib"
1456flashsv2_decoder_select="zlib"
1457flv_decoder_select="h263_decoder"
1458flv_encoder_select="h263_encoder"
1459fraps_decoder_select="huffman"
1460h261_decoder_select="error_resilience mpegvideo"
1461h261_encoder_select="aandcttables mpegvideoenc"
1462h263_decoder_select="error_resilience h263_parser mpegvideo"
1463h263_encoder_select="aandcttables error_resilience mpegvideoenc"
1464h263_vaapi_hwaccel_select="vaapi h263_decoder"
1465h263i_decoder_select="h263_decoder"
1466h263p_encoder_select="h263_encoder"
1467h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1468h264_dxva2_hwaccel_deps="dxva2api_h"
1469h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1470h264_vaapi_hwaccel_select="vaapi h264_decoder"
1471h264_vda_hwaccel_select="vda h264_decoder"
1472h264_vdpau_decoder_select="vdpau h264_decoder"
1473huffyuv_encoder_select="huffman"
1474iac_decoder_select="fft mdct sinewin"
1475imc_decoder_select="fft mdct sinewin"
1476jpegls_decoder_select="golomb"
1477jpegls_encoder_select="golomb"
1478ljpeg_encoder_select="aandcttables mpegvideoenc"
1479loco_decoder_select="golomb"
1480mdec_decoder_select="error_resilience mpegvideo"
1481mjpeg_encoder_select="aandcttables mpegvideoenc"
1482mlp_decoder_select="mlp_parser"
1483mp1_decoder_select="mpegaudio"
1484mp1float_decoder_select="mpegaudio"
1485mp2_decoder_select="mpegaudio"
1486mp2float_decoder_select="mpegaudio"
1487mp3_decoder_select="mpegaudio"
1488mp3adu_decoder_select="mpegaudio"
1489mp3adufloat_decoder_select="mpegaudio"
1490mp3float_decoder_select="mpegaudio"
1491mp3on4_decoder_select="mpegaudio"
1492mp3on4float_decoder_select="mpegaudio"
1493mpc7_decoder_select="mpegaudiodsp"
1494mpc8_decoder_select="mpegaudiodsp"
1495mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1496mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1497mpeg_xvmc_decoder_select="mpegvideo_decoder"
1498mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1499mpeg1video_decoder_select="error_resilience mpegvideo"
1500mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
1501mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1502mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1503mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1504mpeg2video_decoder_select="error_resilience mpegvideo"
1505mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
1506mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1507mpeg4_encoder_select="h263_encoder"
1508mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1509mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1510msmpeg4v1_decoder_select="h263_decoder"
1511msmpeg4v1_encoder_select="h263_encoder"
1512msmpeg4v2_decoder_select="h263_decoder"
1513msmpeg4v2_encoder_select="h263_encoder"
1514msmpeg4v3_decoder_select="h263_decoder"
1515msmpeg4v3_encoder_select="h263_encoder"
1516mss2_decoder_select="vc1_decoder"
1517nellymoser_decoder_select="mdct sinewin"
1518nellymoser_encoder_select="mdct sinewin"
1519png_decoder_select="zlib"
1520png_encoder_select="zlib"
1521qcelp_decoder_select="lsp"
1522qdm2_decoder_select="mdct rdft mpegaudiodsp"
1523ra_144_encoder_select="lpc"
1524ralf_decoder_select="golomb"
1525rv10_decoder_select="h263_decoder"
1526rv10_encoder_select="h263_encoder"
1527rv20_decoder_select="h263_decoder"
1528rv20_encoder_select="h263_encoder"
1529rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1530rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
1531shorten_decoder_select="golomb"
1532sipr_decoder_select="lsp"
1533snow_decoder_select="dwt rangecoder"
1534snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
1535svq1_decoder_select="error_resilience mpegvideo"
1536svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
1537svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1538svq3_decoder_suggest="zlib"
1539theora_decoder_select="vp3_decoder"
1540tiff_decoder_suggest="zlib"
1541tiff_encoder_suggest="zlib"
1542truehd_decoder_select="mlp_decoder"
1543tscc_decoder_select="zlib"
1544twinvq_decoder_select="mdct lsp sinewin"
1545utvideo_encoder_select="huffman"
1546vc1_decoder_select="h263_decoder h264chroma h264qpel"
1547vc1_dxva2_hwaccel_deps="dxva2api_h"
1548vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1549vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1550vc1_vdpau_decoder_select="vdpau vc1_decoder"
1551vc1image_decoder_select="vc1_decoder"
1552vorbis_decoder_select="mdct"
1553vorbis_encoder_select="mdct"
1554vp3_decoder_select="vp3dsp"
1555vp5_decoder_select="vp3dsp"
1556vp6_decoder_select="huffman vp3dsp"
1557vp6a_decoder_select="vp6_decoder"
1558vp6f_decoder_select="vp6_decoder"
1559vp8_decoder_select="h264pred h264qpel"
1560wmapro_decoder_select="mdct sinewin"
1561wmav1_decoder_select="mdct sinewin"
1562wmav1_encoder_select="mdct sinewin"
1563wmav2_decoder_select="mdct sinewin"
1564wmav2_encoder_select="mdct sinewin"
1565wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1566wmv1_decoder_select="h263_decoder"
1567wmv1_encoder_select="h263_encoder"
1568wmv2_decoder_select="h263_decoder"
1569wmv2_encoder_select="h263_encoder"
1570wmv3_decoder_select="vc1_decoder"
1571wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1572wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1573wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1574wmv3image_decoder_select="wmv3_decoder"
1575zerocodec_decoder_select="zlib"
1576zlib_decoder_select="zlib"
1577zlib_encoder_select="zlib"
1578zmbv_decoder_select="zlib"
1579zmbv_encoder_select="zlib"
1580
1581vaapi_deps="va_va_h"
1582vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1583vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1584
1585# parsers
1586h264_parser_select="error_resilience golomb h264dsp h264pred mpegvideo"
1587mpeg4video_parser_select="error_resilience mpegvideo"
1588mpegvideo_parser_select="error_resilience mpegvideo"
1589vc1_parser_select="error_resilience mpegvideo"
1590
1591# external libraries
1592libfaac_encoder_deps="libfaac"
1593libfdk_aac_encoder_deps="libfdk_aac"
1594libgsm_decoder_deps="libgsm"
1595libgsm_encoder_deps="libgsm"
1596libgsm_ms_decoder_deps="libgsm"
1597libgsm_ms_encoder_deps="libgsm"
1598libilbc_decoder_deps="libilbc"
1599libilbc_encoder_deps="libilbc"
1600libmp3lame_encoder_deps="libmp3lame"
1601libopencore_amrnb_decoder_deps="libopencore_amrnb"
1602libopencore_amrnb_encoder_deps="libopencore_amrnb"
1603libopencore_amrwb_decoder_deps="libopencore_amrwb"
1604libopenjpeg_decoder_deps="libopenjpeg"
1605libopenjpeg_encoder_deps="libopenjpeg"
1606libopus_decoder_deps="libopus"
1607libopus_encoder_deps="libopus"
1608libschroedinger_decoder_deps="libschroedinger"
1609libschroedinger_encoder_deps="libschroedinger"
1610libspeex_decoder_deps="libspeex"
1611libspeex_encoder_deps="libspeex"
1612libtheora_encoder_deps="libtheora"
1613libvo_aacenc_encoder_deps="libvo_aacenc"
1614libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1615libvorbis_encoder_deps="libvorbis"
1616libvpx_decoder_deps="libvpx"
1617libvpx_encoder_deps="libvpx"
1618libx264_encoder_deps="libx264"
1619libxavs_encoder_deps="libxavs"
1620libxvid_encoder_deps="libxvid"
1621
1622# demuxers / muxers
1623ac3_demuxer_select="ac3_parser"
1624asf_stream_muxer_select="asf_muxer"
1625avisynth_demuxer_deps="avisynth"
1626dirac_demuxer_select="dirac_parser"
1627eac3_demuxer_select="ac3_parser"
1628flac_demuxer_select="flac_parser"
1629ipod_muxer_select="mov_muxer"
1630matroska_audio_muxer_select="matroska_muxer"
1631matroska_demuxer_suggest="zlib bzlib"
1632mov_demuxer_suggest="zlib"
1633mp3_demuxer_select="mpegaudio_parser"
1634mp4_muxer_select="mov_muxer"
1635mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1636mpegtsraw_demuxer_select="mpegts_demuxer"
1637mxf_d10_muxer_select="mxf_muxer"
1638ogg_demuxer_select="golomb"
1639psp_muxer_select="mov_muxer"
1640rtp_demuxer_select="sdp_demuxer"
1641rtp_muxer_select="mpegvideo"
1642rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1643rtsp_demuxer_select="http_protocol rtpdec"
1644rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1645sap_demuxer_select="sdp_demuxer"
1646sap_muxer_select="rtp_muxer rtp_protocol"
1647sdp_demuxer_select="rtpdec"
1648smoothstreaming_muxer_select="ismv_muxer"
1649spdif_muxer_select="aac_parser"
1650tg2_muxer_select="mov_muxer"
1651tgp_muxer_select="mov_muxer"
1652w64_demuxer_deps="wav_demuxer"
1653
1654# indevs / outdevs
1655alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1656alsa_outdev_deps="alsa_asoundlib_h"
1657bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1658dv1394_indev_deps="dv1394 dv_demuxer"
1659fbdev_indev_deps="linux_fb_h"
1660jack_indev_deps="jack_jack_h"
1661libcdio_indev_deps="libcdio"
1662libdc1394_indev_deps="libdc1394"
1663oss_indev_deps_any="soundcard_h sys_soundcard_h"
1664oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1665pulse_indev_deps="libpulse"
1666sndio_indev_deps="sndio_h"
1667sndio_outdev_deps="sndio_h"
1668v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1669vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1670vfwcap_indev_extralibs="-lavicap32"
1671x11grab_indev_deps="x11grab XShmCreateImage"
1672
1673# protocols
1674ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1675ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1676ffrtmpcrypt_protocol_select="tcp_protocol"
1677ffrtmphttp_protocol_deps="!librtmp_protocol"
1678ffrtmphttp_protocol_select="http_protocol"
1679gopher_protocol_deps="network"
1680httpproxy_protocol_deps="network"
1681httpproxy_protocol_select="tcp_protocol"
1682http_protocol_deps="network"
1683http_protocol_select="tcp_protocol"
1684https_protocol_select="tls_protocol"
1685librtmp_protocol_deps="librtmp"
1686librtmpe_protocol_deps="librtmp"
1687librtmps_protocol_deps="librtmp"
1688librtmpt_protocol_deps="librtmp"
1689librtmpte_protocol_deps="librtmp"
1690mmsh_protocol_select="http_protocol"
1691mmst_protocol_deps="network"
1692rtmp_protocol_deps="!librtmp_protocol"
1693rtmp_protocol_select="tcp_protocol"
1694rtmpe_protocol_select="ffrtmpcrypt_protocol"
1695rtmps_protocol_deps="!librtmp_protocol"
1696rtmps_protocol_select="tls_protocol"
1697rtmpt_protocol_select="ffrtmphttp_protocol"
1698rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1699rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1700rtp_protocol_select="udp_protocol"
1701sctp_protocol_deps="network struct_sctp_event_subscribe"
1702tcp_protocol_deps="network"
1703tls_protocol_deps_any="openssl gnutls"
1704tls_protocol_select="tcp_protocol"
1705udp_protocol_deps="network"
1706
1707# filters
1708blackframe_filter_deps="gpl"
1709boxblur_filter_deps="gpl"
1710cropdetect_filter_deps="gpl"
1711delogo_filter_deps="gpl"
1712drawtext_filter_deps="libfreetype"
1713frei0r_filter_deps="frei0r dlopen strtok_r"
1714frei0r_filter_extralibs='$ldl'
1715frei0r_src_filter_deps="frei0r dlopen strtok_r"
1716frei0r_src_filter_extralibs='$ldl'
1717hqdn3d_filter_deps="gpl"
1718resample_filter_deps="avresample"
1719ocv_filter_deps="libopencv"
1720scale_filter_deps="swscale"
1721yadif_filter_deps="gpl"
1722
1723# libraries
1724avdevice_deps="avcodec avformat"
1725avformat_deps="avcodec"
1726
1727# programs
1728avconv_deps="avcodec avfilter avformat avresample swscale
1729 aformat_filter asyncts_filter
1730 format_filter fps_filter scale_filter setpts_filter"
1731avplay_deps="avcodec avformat swscale sdl"
1732avplay_select="rdft"
1733avprobe_deps="avcodec avformat"
1734avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1735avserver_extralibs='$ldl'
1736
1737doc_deps="texi2html"
1738
1739# default parameters
1740
1741logfile="config.log"
1742
1743# installation paths
1744prefix_default="/usr/local"
1745bindir_default='${prefix}/bin'
1746datadir_default='${prefix}/share/avconv'
1747incdir_default='${prefix}/include'
1748libdir_default='${prefix}/lib'
1749mandir_default='${prefix}/share/man'
1750shlibdir_default="$libdir_default"
1751
1752# toolchain
1753ar_default="ar"
1754cc_default="gcc"
1755host_cc_default="gcc"
1756cp_f="cp -f"
1757ln_s="ln -sf"
1758nm_default="nm -g"
1759objformat="elf"
1760pkg_config_default=pkg-config
1761ranlib="ranlib"
1762yasmexe="yasm"
1763
1764nogas=":"
1765
1766# machine
1767arch_default=$(uname -m)
1768cpu="generic"
1769
1770# OS
1771target_os_default=$(tolower $(uname -s))
1772host_os=$target_os_default
1773
1774# configurable options
1775enable $PROGRAM_LIST
1776
1777enable avcodec
1778enable avdevice
1779enable avfilter
1780enable avformat
1781enable avresample
1782enable avutil
1783enable swscale
1784
1785enable asm
1786enable debug
1787enable doc
1788enable network
1789enable optimizations
1790enable safe_bitstream_reader
1791enable static
1792enable swscale_alpha
1793
1794# build settings
1795SHFLAGS='-shared -Wl,-soname,$$(@F)'
1796AVSERVERLDFLAGS=-Wl,-E
1797LIBPREF="lib"
1798LIBSUF=".a"
1799FULLNAME='$(NAME)$(BUILDSUF)'
1800LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1801SLIBPREF="lib"
1802SLIBSUF=".so"
1803SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1804SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1805SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1806LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1807SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1808SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1809
1810asflags_filter=echo
1811cflags_filter=echo
1812ldflags_filter=echo
1813
1814AS_C='-c'
1815AS_O='-o $@'
1816CC_C='-c'
1817CC_E='-E -o $@'
1818CC_O='-o $@'
1819LD_O='-o $@'
1820LD_LIB='-l%'
1821LD_PATH='-L'
1822HOSTCC_C='-c'
1823HOSTCC_O='-o $@'
1824HOSTLD_O='-o $@'
1825
1826host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
1827host_libs='-lm'
1828host_cflags_filter=echo
1829host_ldflags_filter=echo
1830
1831target_path='$(CURDIR)'
1832
1833# since the object filename is not given with the -MM flag, the compiler
1834# is only able to print the basename, and we must add the path ourselves
1835DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1836DEPFLAGS='-MM'
1837
1838# find source path
1839if test -f configure; then
1840 source_path=.
1841else
1842 source_path=$(cd $(dirname "$0"); pwd)
1843 echo "$source_path" | grep -q '[[:blank:]]' &&
1844 die "Out of tree builds are impossible with whitespace in source path."
1845 test -e "$source_path/config.h" &&
1846 die "Out of tree builds are impossible with config.h in source dir."
1847fi
1848
1849for v in "$@"; do
1850 r=${v#*=}
1851 l=${v%"$r"}
1852 r=$(sh_quote "$r")
1853 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1854done
1855
1856find_things(){
1857 thing=$1
1858 pattern=$2
1859 file=$source_path/$3
1860 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1861}
1862
1863ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1864DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1865HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1866PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1867BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1868MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1869DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1870OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1871INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1872PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1873FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1874
1875ALL_COMPONENTS="
1876 $BSF_LIST
1877 $DECODER_LIST
1878 $DEMUXER_LIST
1879 $ENCODER_LIST
1880 $FILTER_LIST
1881 $HWACCEL_LIST
1882 $INDEV_LIST
1883 $MUXER_LIST
1884 $OUTDEV_LIST
1885 $PARSER_LIST
1886 $PROTOCOL_LIST
1887"
1888
1889for n in $COMPONENT_LIST; do
1890 v=$(toupper ${n%s})_LIST
1891 eval enable \$$v
1892 eval ${n}_if_any="\$$v"
1893done
1894
1895disable snow_decoder snow_encoder
1896
1897enable $ARCH_EXT_LIST
1898
1899die_unknown(){
1900 echo "Unknown option \"$1\"."
1901 echo "See $0 --help for available options."
1902 exit 1
1903}
1904
1905show_list() {
1906 suffix=_$1
1907 shift
1908 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1909 exit 0
1910}
1911
1912rand_list(){
1913 IFS=', '
1914 set -- $*
1915 unset IFS
1916 for thing; do
1917 comp=${thing%:*}
1918 prob=${thing#$comp}
1919 prob=${prob#:}
1920 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
1921 echo "prob ${prob:-0.5}"
1922 printf '%s\n' $comp
1923 done
1924}
1925
1926do_random(){
1927 action=$1
1928 shift
1929 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
1930 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
1931}
1932
1933for opt do
1934 optval="${opt#*=}"
1935 case "$opt" in
1936 --extra-ldflags=*) add_ldflags $optval
1937 ;;
1938 --extra-libs=*) add_extralibs $optval
1939 ;;
1940 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1941 ;;
1942 --enable-debug=*) debuglevel="$optval"
1943 ;;
1944 --disable-everything)
1945 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1946 ;;
1947 --enable-random|--disable-random)
1948 action=${opt%%-random}
1949 do_random ${action#--} $COMPONENT_LIST
1950 ;;
1951 --enable-random=*|--disable-random=*)
1952 action=${opt%%-random=*}
1953 do_random ${action#--} $optval
1954 ;;
1955 --enable-*=*|--disable-*=*)
1956 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1957 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1958 eval list=\$$(toupper $thing)_LIST
1959 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1960 $action $(filter "$name" $list)
1961 ;;
1962 --enable-?*|--disable-?*)
1963 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1964 if is_in $option $COMPONENT_LIST; then
1965 test $action = disable && action=unset
1966 eval $action \$$(toupper ${option%s})_LIST
1967 elif is_in $option $CMDLINE_SELECT; then
1968 $action $option
1969 else
1970 die_unknown $opt
1971 fi
1972 ;;
1973 --list-*)
1974 NAME="${opt#--list-}"
1975 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1976 NAME=${NAME%s}
1977 eval show_list $NAME \$$(toupper $NAME)_LIST
1978 ;;
1979 --help|-h) show_help
1980 ;;
1981 *)
1982 optname="${opt%%=*}"
1983 optname="${optname#--}"
1984 optname=$(echo "$optname" | sed 's/-/_/g')
1985 if is_in $optname $CMDLINE_SET; then
1986 eval $optname='$optval'
1987 elif is_in $optname $CMDLINE_APPEND; then
1988 append $optname "$optval"
1989 else
1990 die_unknown $opt
1991 fi
1992 ;;
1993 esac
1994done
1995
1996disabled logging && logfile=/dev/null
1997
1998echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1999set >> $logfile
2000
2001test -n "$cross_prefix" && enable cross_compile
2002
2003if enabled cross_compile; then
2004 test -n "$arch" && test -n "$target_os" ||
2005 die "Must specify target arch and OS when cross-compiling"
2006fi
2007
2008ar_default="${cross_prefix}${ar_default}"
2009cc_default="${cross_prefix}${cc_default}"
2010nm_default="${cross_prefix}${nm_default}"
2011pkg_config_default="${cross_prefix}${pkg_config_default}"
2012ranlib="${cross_prefix}${ranlib}"
2013
2014sysinclude_default="${sysroot}/usr/include"
2015
2016case "$toolchain" in
2017 clang-asan)
2018 cc_default="clang"
2019 add_cflags -faddress-sanitizer
2020 add_ldflags -faddress-sanitizer
2021 ;;
2022 clang-tsan)
2023 cc_default="clang"
2024 add_cflags -fthread-sanitizer
2025 add_ldflags -fthread-sanitizer
2026 ;;
2027 msvc)
2028 cc_default="c99wrap cl"
2029 ld_default="c99wrap link"
2030 nm_default="dumpbin -symbols"
2031 ar_default="lib"
2032 target_os_default="win32"
2033 ;;
2034 ?*)
2035 die "Unknown toolchain $toolchain"
2036 ;;
2037esac
2038
2039set_default arch cc pkg_config sysinclude target_os
2040enabled cross_compile || host_cc_default=$cc
2041set_default host_cc
2042
2043if ! $pkg_config --version >/dev/null 2>&1; then
2044 warn "$pkg_config not found, library detection may fail."
2045 pkg_config=false
2046fi
2047
2048exesuf() {
2049 case $1 in
2050 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2051 esac
2052}
2053
2054EXESUF=$(exesuf $target_os)
2055HOSTEXESUF=$(exesuf $host_os)
2056
2057# set temporary file name
2058: ${TMPDIR:=$TEMPDIR}
2059: ${TMPDIR:=$TMP}
2060: ${TMPDIR:=/tmp}
2061
2062if ! check_cmd mktemp -u XXXXXX; then
2063 # simple replacement for missing mktemp
2064 # NOT SAFE FOR GENERAL USE
2065 mktemp(){
2066 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2067 }
2068fi
2069
2070tmpfile(){
2071 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2072 (set -C; exec > $tmp) 2>/dev/null ||
2073 die "Unable to create temporary file in $TMPDIR."
2074 append TMPFILES $tmp
2075 eval $1=$tmp
2076}
2077
2078trap 'rm -f -- $TMPFILES' EXIT
2079
2080tmpfile TMPASM .asm
2081tmpfile TMPC .c
2082tmpfile TMPE $EXESUF
2083tmpfile TMPH .h
2084tmpfile TMPO .o
2085tmpfile TMPS .S
2086tmpfile TMPSH .sh
2087tmpfile TMPV .ver
2088
2089unset -f mktemp
2090
2091chmod +x $TMPE
2092
2093# make sure we can execute files in $TMPDIR
2094cat > $TMPSH 2>> $logfile <<EOF
2095#! /bin/sh
2096EOF
2097chmod +x $TMPSH >> $logfile 2>&1
2098if ! $TMPSH >> $logfile 2>&1; then
2099 cat <<EOF
2100Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2101variable to another directory and make sure that it is not mounted noexec.
2102EOF
2103 die "Sanity test failed."
2104fi
2105
2106msvc_flags(){
2107 for flag; do
2108 case $flag in
2109 -fomit-frame-pointer) echo -Oy ;;
2110 -g) echo -Z7 ;;
2111 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2112 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2113 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2114 -wd4996 -wd4273 ;;
2115 -std=c99) ;;
2116 -fno-math-errno) ;;
2117 -fno-common) ;;
2118 -fno-signed-zeros) ;;
2119 -lz) echo zlib.lib ;;
2120 -lavifil32) echo vfw32.lib ;;
2121 -lavicap32) echo vfw32.lib user32.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 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2132 -fomit-frame-pointer) echo -Mnoframe ;;
2133 -g) echo -gopt ;;
2134 *) echo $flag ;;
2135 esac
2136 done
2137}
2138
2139suncc_flags(){
2140 for flag; do
2141 case $flag in
2142 -march=*|-mcpu=*)
2143 case "${flag#*=}" in
2144 native) echo -xtarget=native ;;
2145 v9|niagara) echo -xarch=sparc ;;
2146 ultrasparc) echo -xarch=sparcvis ;;
2147 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2148 i586|pentium) echo -xchip=pentium ;;
2149 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2150 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2151 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2152 pentium4*) echo -xtarget=pentium4 ;;
2153 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2154 *-sse3) echo -xarch=sse3 ;;
2155 core2) echo -xarch=ssse3 -xchip=core2 ;;
2156 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2157 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2158 k8|opteron|athlon64|athlon-fx)
2159 echo -xarch=sse2a ;;
2160 athlon*) echo -xarch=pentium_proa ;;
2161 esac
2162 ;;
2163 -std=c99) echo -xc99 ;;
2164 -fomit-frame-pointer) echo -xregs=frameptr ;;
2165 -fPIC) echo -KPIC -xcode=pic32 ;;
2166 -W*,*) echo $flag ;;
2167 -f*-*|-W*) ;;
2168 *) echo $flag ;;
2169 esac
2170 done
2171}
2172
2173tms470_flags(){
2174 for flag; do
2175 case $flag in
2176 -march=*|-mcpu=*)
2177 case "${flag#*=}" in
2178 armv7-a|cortex-a*) echo -mv=7a8 ;;
2179 armv7-r|cortex-r*) echo -mv=7r4 ;;
2180 armv7-m|cortex-m*) echo -mv=7m3 ;;
2181 armv6*|arm11*) echo -mv=6 ;;
2182 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2183 echo -mv=5e ;;
2184 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2185 esac
2186 ;;
2187 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2188 -mfpu=vfp) echo --float_support=vfpv2 ;;
2189 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2190 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2191 -msoft-float) echo --float_support=vfplib ;;
2192 -O[0-3]|-mf=*) echo $flag ;;
2193 -g) echo -g -mn ;;
2194 -pds=*) echo $flag ;;
2195 -D*|-I*) echo $flag ;;
2196 --gcc|--abi=*) echo $flag ;;
2197 -me) echo $flag ;;
2198 esac
2199 done
2200}
2201
2202probe_cc(){
2203 pfx=$1
2204 _cc=$2
2205
2206 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2207 unset _ld_o _ldflags _ld_lib _ld_path
2208 unset _depflags _DEPCMD _DEPFLAGS
2209 _flags_filter=echo
2210
2211 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2212 _type=llvm_gcc
2213 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2214 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2215 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2216 _cflags_speed='-O3'
2217 _cflags_size='-Os'
2218 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2219 _type=gcc
2220 gcc_version=$($_cc --version | head -n1)
2221 gcc_basever=$($_cc -dumpversion)
2222 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2223 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2224 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2225 if ! $_cc -dumpversion | grep -q '^2\.'; then
2226 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2227 fi
2228 _cflags_speed='-O3'
2229 _cflags_size='-Os'
2230 elif $_cc --version 2>/dev/null | grep -q Intel; then
2231 _type=icc
2232 _ident=$($_cc --version | head -n1)
2233 _depflags='-MMD'
2234 _cflags_speed='-O3'
2235 _cflags_size='-Os'
2236 _cflags_noopt='-O1'
2237 elif $_cc -v 2>&1 | grep -q xlc; then
2238 _type=xlc
2239 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2240 _cflags_speed='-O5'
2241 _cflags_size='-O5 -qcompact'
2242 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2243 _type=ccc
2244 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2245 _DEPFLAGS='-M'
2246 debuglevel=3
2247 _ldflags='-Wl,-z,now' # calls to libots crash without this
2248 _cflags_speed='-fast'
2249 _cflags_size='-O1'
2250 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2251 test -d "$sysroot" || die "No valid sysroot specified."
2252 _type=armcc
2253 _ident=$($_cc --vsn | head -n1)
2254 armcc_conf="$PWD/armcc.conf"
2255 $_cc --arm_linux_configure \
2256 --arm_linux_config_file="$armcc_conf" \
2257 --configure_sysroot="$sysroot" \
2258 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2259 die "Error creating armcc configuration file."
2260 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2261 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2262 as_default="${cross_prefix}gcc"
2263 _depflags='-MMD'
2264 _cflags_speed='-O3'
2265 _cflags_size='-Os'
2266 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2267 _type=tms470
2268 _ident=$($_cc -version | head -n1 | tr -s ' ')
2269 _flags='--gcc --abi=eabi -me'
2270 _cc_e='-ppl -fe=$@'
2271 _cc_o='-fe=$@'
2272 _depflags='-ppa -ppd=$(@:.o=.d)'
2273 _cflags_speed='-O3 -mf=5'
2274 _cflags_size='-O3 -mf=2'
2275 _flags_filter=tms470_flags
2276 elif $_cc -v 2>&1 | grep -q clang; then
2277 _type=clang
2278 _ident=$($_cc --version | head -n1)
2279 _depflags='-MMD'
2280 _cflags_speed='-O3'
2281 _cflags_size='-Os'
2282 elif $_cc -V 2>&1 | grep -q Sun; then
2283 _type=suncc
2284 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2285 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2286 _DEPFLAGS='-xM1 -xc99'
2287 _ldflags='-std=c99'
2288 _cflags_speed='-O5'
2289 _cflags_size='-O5 -xspace'
2290 _flags_filter=suncc_flags
2291 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2292 _type=pathscale
2293 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2294 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2295 _cflags_speed='-O2'
2296 _cflags_size='-Os'
2297 _flags_filter='filter_out -Wdisabled-optimization'
2298 elif $_cc -v 2>&1 | grep -q Open64; then
2299 _type=open64
2300 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2301 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2302 _cflags_speed='-O2'
2303 _cflags_size='-Os'
2304 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2305 elif $_cc -V 2>&1 | grep -q Portland; then
2306 _type=pgi
2307 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2308 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2309 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2310 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2311 _cflags_noopt="-O1"
2312 _flags_filter=pgi_flags
2313 elif $_cc 2>&1 | grep -q Microsoft; then
2314 _type=msvc
2315 _ident=$($cc 2>&1 | head -n1)
2316 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2317 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2318 _cflags_speed="-O2"
2319 _cflags_size="-O1"
2320 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2321 if $_cc 2>&1 | grep -q Linker; then
2322 _ld_o='-out $@'
2323 else
2324 _ld_o='-Fe$@'
2325 fi
2326 _cc_o='-Fo $@'
2327 _cc_e='-P -Fi $@'
2328 _flags_filter=msvc_flags
2329 _ld_lib='lib%.a'
2330 _ld_path='-libpath:'
2331 _flags='-nologo'
2332 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2333 if [ $pfx = hostcc ]; then
2334 append _cflags -Dsnprintf=_snprintf
2335 fi
2336 fi
2337
2338 eval ${pfx}_type=\$_type
2339 eval ${pfx}_ident=\$_ident
2340}
2341
2342set_ccvars(){
2343 eval ${1}_C=\${_cc_c-\${${1}_C}}
2344 eval ${1}_E=\${_cc_e-\${${1}_E}}
2345 eval ${1}_O=\${_cc_o-\${${1}_O}}
2346
2347 if [ -n "$_depflags" ]; then
2348 eval ${1}_DEPFLAGS=\$_depflags
2349 else
2350 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2351 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2352 eval DEP${1}FLAGS=\$_flags
2353 fi
2354}
2355
2356probe_cc cc "$cc"
2357cflags_filter=$_flags_filter
2358cflags_speed=$_cflags_speed
2359cflags_size=$_cflags_size
2360cflags_noopt=$_cflags_noopt
2361add_cflags $_flags $_cflags
2362cc_ldflags=$_ldflags
2363set_ccvars CC
2364
2365probe_cc hostcc "$host_cc"
2366host_cflags_filter=$_flags_filter
2367add_host_cflags $_flags $_cflags
2368set_ccvars HOSTCC
2369
2370test -n "$cc_type" && enable $cc_type ||
2371 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2372
2373: ${as_default:=$cc}
2374: ${dep_cc_default:=$cc}
2375: ${ld_default:=$cc}
2376: ${host_ld_default:=$host_cc}
2377set_default ar as dep_cc ld host_ld
2378
2379probe_cc as "$as"
2380asflags_filter=$_flags_filter
2381add_asflags $_flags $_cflags
2382set_ccvars AS
2383
2384probe_cc ld "$ld"
2385ldflags_filter=$_flags_filter
2386add_ldflags $_flags $_ldflags
2387test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2388LD_O=${_ld_o-$LD_O}
2389LD_LIB=${_ld_lib-$LD_LIB}
2390LD_PATH=${_ld_path-$LD_PATH}
2391
2392probe_cc hostld "$host_ld"
2393host_ldflags_filter=$_flags_filter
2394add_host_ldflags $_flags $_ldflags
2395HOSTLD_O=${_ld_o-$HOSTLD_O}
2396
2397if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2398 probe_cc depcc "$dep_cc"
2399 CCDEP=${_DEPCMD:-$DEPCMD}
2400 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2401 DEPCCFLAGS=$_flags
2402fi
2403
2404if $ar 2>&1 | grep -q Microsoft; then
2405 arflags="-nologo"
2406 ar_o='-out:$@'
2407elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2408 arflags="rq"
2409 ar_o='$@'
2410else
2411 arflags="rc"
2412 ar_o='$@'
2413fi
2414
2415add_cflags $extra_cflags
2416add_asflags $extra_cflags
2417
2418if test -n "$sysroot"; then
2419 case "$cc_type" in
2420 gcc|llvm_gcc|clang)
2421 add_cppflags --sysroot="$sysroot"
2422 add_ldflags --sysroot="$sysroot"
2423 ;;
2424 tms470)
2425 add_cppflags -I"$sysinclude"
2426 add_ldflags --sysroot="$sysroot"
2427 ;;
2428 esac
2429fi
2430
2431if test "$cpu" = host; then
2432 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2433
2434 case "$cc_type" in
2435 gcc|llvm_gcc)
2436 check_native(){
2437 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2438 sed -n "/cc1.*$1=/{
2439 s/.*$1=\\([^ ]*\\).*/\\1/
2440 p
2441 q
2442 }" $TMPE
2443 }
2444 cpu=$(check_native -march || check_native -mcpu)
2445 ;;
2446 esac
2447
2448 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2449fi
2450
2451# Deal with common $arch aliases
2452case "$arch" in
2453 arm*)
2454 arch="arm"
2455 ;;
2456 mips*|IP*)
2457 arch="mips"
2458 ;;
2459 parisc*|hppa*)
2460 arch="parisc"
2461 ;;
2462 "Power Macintosh"|ppc*|powerpc*)
2463 arch="ppc"
2464 ;;
2465 s390|s390x)
2466 arch="s390"
2467 ;;
2468 sh4|sh)
2469 arch="sh4"
2470 ;;
2471 sun4u|sparc64)
2472 arch="sparc"
2473 subarch="sparc64"
2474 ;;
2475 tilegx|tile-gx)
2476 arch="tilegx"
2477 ;;
2478 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2479 arch="x86"
2480 ;;
2481esac
2482
2483is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2484enable $arch
2485
2486# Add processor-specific flags
2487if test "$cpu" = generic; then
2488 : do nothing
2489elif enabled ppc; then
2490
2491 case $(tolower $cpu) in
2492 601|ppc601|powerpc601)
2493 cpuflags="-mcpu=601"
2494 disable altivec
2495 ;;
2496 603*|ppc603*|powerpc603*)
2497 cpuflags="-mcpu=603"
2498 disable altivec
2499 ;;
2500 604*|ppc604*|powerpc604*)
2501 cpuflags="-mcpu=604"
2502 disable altivec
2503 ;;
2504 g3|75*|ppc75*|powerpc75*)
2505 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2506 disable altivec
2507 ;;
2508 g4|745*|ppc745*|powerpc745*)
2509 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2510 ;;
2511 74*|ppc74*|powerpc74*)
2512 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2513 ;;
2514 g5|970|ppc970|powerpc970)
2515 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2516 ;;
2517 power[3-7]*)
2518 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2519 ;;
2520 cell)
2521 cpuflags="-mcpu=cell"
2522 enable ldbrx
2523 ;;
2524 e500mc)
2525 cpuflags="-mcpu=e500mc"
2526 disable altivec
2527 ;;
2528 e500v2)
2529 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2530 disable altivec
2531 ;;
2532 e500)
2533 cpuflags="-mcpu=8540 -mhard-float"
2534 disable altivec
2535 ;;
2536 esac
2537
2538elif enabled x86; then
2539
2540 case $cpu in
2541 i[345]86|pentium)
2542 cpuflags="-march=$cpu"
2543 disable mmx
2544 ;;
2545 # targets that do NOT support conditional mov (cmov)
2546 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2547 cpuflags="-march=$cpu"
2548 disable cmov
2549 ;;
2550 # targets that do support conditional mov (cmov)
2551 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
2552 cpuflags="-march=$cpu"
2553 enable cmov
2554 enable fast_cmov
2555 ;;
2556 # targets that do support conditional mov but on which it's slow
2557 pentium4|pentium4m|prescott|nocona)
2558 cpuflags="-march=$cpu"
2559 enable cmov
2560 disable fast_cmov
2561 ;;
2562 esac
2563
2564elif enabled sparc; then
2565
2566 case $cpu in
2567 niagara)
2568 cpuflags="-mcpu=$cpu"
2569 disable vis
2570 ;;
2571 sparc64)
2572 cpuflags="-mcpu=v9"
2573 ;;
2574 esac
2575
2576elif enabled arm; then
2577
2578 case $cpu in
2579 armv*)
2580 cpuflags="-march=$cpu"
2581 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2582 ;;
2583 *)
2584 cpuflags="-mcpu=$cpu"
2585 case $cpu in
2586 cortex-a*) subarch=armv7a ;;
2587 cortex-r*) subarch=armv7r ;;
2588 cortex-m*) enable thumb; subarch=armv7m ;;
2589 arm11*) subarch=armv6 ;;
2590 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2591 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2592 esac
2593 ;;
2594 esac
2595
2596elif enabled alpha; then
2597
2598 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2599
2600elif enabled bfin; then
2601
2602 cpuflags="-mcpu=$cpu"
2603
2604elif enabled mips; then
2605
2606 cpuflags="-march=$cpu"
2607
2608elif enabled avr32; then
2609
2610 case $cpu in
2611 ap7[02]0[0-2])
2612 subarch="avr32_ap"
2613 cpuflags="-mpart=$cpu"
2614 ;;
2615 ap)
2616 subarch="avr32_ap"
2617 cpuflags="-march=$cpu"
2618 ;;
2619 uc3[ab]*)
2620 subarch="avr32_uc"
2621 cpuflags="-mcpu=$cpu"
2622 ;;
2623 uc)
2624 subarch="avr32_uc"
2625 cpuflags="-march=$cpu"
2626 ;;
2627 esac
2628
2629fi
2630
2631add_cflags $cpuflags
2632add_asflags $cpuflags
2633
2634# compiler sanity check
2635check_exec <<EOF
2636int main(void){ return 0; }
2637EOF
2638if test "$?" != 0; then
2639 echo "$cc is unable to create an executable file."
2640 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2641 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2642 echo "Only do this if you know what cross compiling means."
2643 fi
2644 die "C compiler test failed."
2645fi
2646
2647add_cppflags -D_ISOC99_SOURCE
2648check_cflags -std=c99
2649check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2650#include <stdlib.h>
2651EOF
2652check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2653#include <stdlib.h>
2654EOF
2655
2656check_host_cflags -std=c99
2657check_host_cflags -Wall
2658
2659check_64bit(){
2660 arch32=$1
2661 arch64=$2
2662 expr=$3
2663 check_code cc "" "int test[2*($expr) - 1]" &&
2664 subarch=$arch64 || subarch=$arch32
2665}
2666
2667case "$arch" in
2668 alpha|ia64|sparc)
2669 spic=$shared
2670 ;;
2671 mips)
2672 check_64bit mips mips64 '_MIPS_SIM > 1'
2673 spic=$shared
2674 ;;
2675 parisc)
2676 check_64bit parisc parisc64 'sizeof(void *) > 4'
2677 spic=$shared
2678 ;;
2679 ppc)
2680 check_64bit ppc ppc64 'sizeof(void *) > 4'
2681 ;;
2682 x86)
2683 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
2684 if test "$subarch" = "x86_64"; then
2685 spic=$shared
2686 fi
2687 ;;
2688esac
2689
2690enable $subarch
2691enabled spic && enable pic
2692
2693# OS specific
2694case $target_os in
2695 haiku)
2696 prefix_default="/boot/common"
2697 network_extralibs="-lnetwork"
2698 host_libs=
2699 ;;
2700 sunos)
2701 AVSERVERLDFLAGS=""
2702 SHFLAGS='-shared -Wl,-h,$$(@F)'
2703 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2704 network_extralibs="-lsocket -lnsl"
2705 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2706 # When using suncc to build, the Solaris linker will mark
2707 # an executable with each instruction set encountered by
2708 # the Solaris assembler. As our libraries contain their own
2709 # guards for processor-specific code, instead suppress
2710 # generation of the HWCAPS ELF section on Solaris x86 only.
2711 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2712 nm_default='nm -P -g'
2713 ;;
2714 netbsd)
2715 disable symver
2716 oss_indev_extralibs="-lossaudio"
2717 oss_outdev_extralibs="-lossaudio"
2718 ;;
2719 openbsd|bitrig)
2720 # On OpenBSD 4.5. the compiler does not use PIC unless
2721 # explicitly using -fPIC. Libav builds fine without PIC,
2722 # however the generated executable will not do anything
2723 # (simply quits with exit-code 1, no crash, no output).
2724 # Thus explicitly enable PIC here.
2725 enable pic
2726 disable symver
2727 SHFLAGS='-shared'
2728 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2729 SLIB_INSTALL_LINKS=
2730 oss_indev_extralibs="-lossaudio"
2731 oss_outdev_extralibs="-lossaudio"
2732 ;;
2733 dragonfly)
2734 disable symver
2735 ;;
2736 freebsd)
2737 ;;
2738 bsd/os)
2739 add_extralibs -lpoll -lgnugetopt
2740 ;;
2741 darwin)
2742 gas="gas-preprocessor.pl $cc"
2743 enabled ppc && add_asflags -force_cpusubtype_ALL
2744 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2745 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2746 add_ldflags -Wl,-dynamic,-search_paths_first
2747 SLIBSUF=".dylib"
2748 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2749 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2750 AVSERVERLDFLAGS=-Wl,-bind_at_load
2751 objformat="macho"
2752 enabled x86_64 && objformat="macho64"
2753 enabled_any pic shared ||
2754 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2755 ;;
2756 mingw32*)
2757 if test $target_os = "mingw32ce"; then
2758 disable network
2759 else
2760 target_os=mingw32
2761 fi
2762 LIBTARGET=i386
2763 if enabled x86_64; then
2764 LIBTARGET="i386:x86-64"
2765 elif enabled arm; then
2766 LIBTARGET=arm-wince
2767 fi
2768 shlibdir_default="$bindir_default"
2769 SLIBPREF=""
2770 SLIBSUF=".dll"
2771 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2772 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2773 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2774 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2775 SLIB_INSTALL_LINKS=
2776 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2777 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2778 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2779 objformat="win32"
2780 dlltool="${cross_prefix}dlltool"
2781 ranlib=:
2782 enable dos_paths
2783 add_cppflags -U__STRICT_ANSI__
2784 ;;
2785 win32|win64)
2786 if enabled shared; then
2787 # Link to the import library instead of the normal static library
2788 # for shared libs.
2789 LD_LIB='%.lib'
2790 # Cannot build shared and static libraries at the same time with
2791 # MSVC.
2792 disable static
2793 fi
2794 shlibdir_default="$bindir_default"
2795 SLIBPREF=""
2796 SLIBSUF=".dll"
2797 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2798 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2799 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
2800 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2801 SLIB_INSTALL_LINKS=
2802 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2803 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2804 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2805 objformat="win32"
2806 ranlib=:
2807 enable dos_paths
2808 ;;
2809 cygwin*)
2810 target_os=cygwin
2811 shlibdir_default="$bindir_default"
2812 SLIBPREF="cyg"
2813 SLIBSUF=".dll"
2814 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2815 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2816 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2817 SLIB_INSTALL_LINKS=
2818 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2819 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
2820 objformat="win32"
2821 enable dos_paths
2822 add_cppflags -U__STRICT_ANSI__
2823 ;;
2824 *-dos|freedos|opendos)
2825 network_extralibs="-lsocket"
2826 objformat="coff"
2827 enable dos_paths
2828 add_cppflags -U__STRICT_ANSI__
2829 ;;
2830 linux)
2831 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2832 enable dv1394
2833 ;;
2834 irix*)
2835 target_os=irix
2836 ranlib="echo ignoring ranlib"
2837 ;;
2838 os/2*)
2839 ln_s="cp -f"
2840 objformat="aout"
2841 add_cppflags -D_GNU_SOURCE
2842 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2843 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2844 AVSERVERLDFLAGS=""
2845 LIBSUF="_s.a"
2846 SLIBPREF=""
2847 SLIBSUF=".dll"
2848 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2849 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2850 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2851 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2852 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2853 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2854 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2855 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2856 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2857 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2858 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2859 enable dos_paths
2860 ;;
2861 gnu/kfreebsd)
2862 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2863 ;;
2864 gnu)
2865 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2866 ;;
2867 qnx)
2868 add_cppflags -D_QNX_SOURCE
2869 network_extralibs="-lsocket"
2870 ;;
2871 symbian)
2872 SLIBSUF=".dll"
2873 enable dos_paths
2874 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2875 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2876 add_ldflags -Wl,--target1-abs,--no-undefined \
2877 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2878 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2879 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2880 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2881 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2882 ;;
2883 osf1)
2884 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
2885 AVSERVERLDFLAGS=
2886 ;;
2887 minix)
2888 ;;
2889 plan9)
2890 add_cppflags -D_C99_SNPRINTF_EXTENSION \
2891 -D_REENTRANT_SOURCE \
2892 -D_RESEARCH_SOURCE \
2893 -DFD_SETSIZE=96 \
2894 -DHAVE_SOCK_OPTS
2895 add_compat strtod.o strtod=avpriv_strtod
2896 network_extralibs='-lbsd'
2897 exeobjs=compat/plan9/main.o
2898 disable avserver
2899 ln_s='ln -s -f'
2900 cp_f='cp'
2901 ;;
2902 none)
2903 ;;
2904 *)
2905 die "Unknown OS '$target_os'."
2906 ;;
2907esac
2908
2909# determine libc flavour
2910
2911if check_cpp_condition features.h "defined __UCLIBC__"; then
2912 libc_type=uclibc
2913elif check_cpp_condition features.h "defined __GLIBC__"; then
2914 libc_type=glibc
2915elif check_header _mingw.h; then
2916 libc_type=mingw
2917 check_cpp_condition _mingw.h \
2918 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
2919 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2920 die "ERROR: MinGW runtime version must be >= 3.15."
2921elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
2922 libc_type=newlib
2923elif check_func_headers stdlib.h _get_doserrno; then
2924 libc_type=msvcrt
2925 add_compat strtod.o strtod=avpriv_strtod
2926 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
2927 _snprintf=avpriv_snprintf \
2928 vsnprintf=avpriv_vsnprintf
2929elif check_cpp_condition stddef.h "defined __KLIBC__"; then
2930 libc_type=klibc
2931fi
2932
2933test -n "$libc_type" && enable $libc_type
2934
2935# hacks for compiler/libc/os combinations
2936
2937if enabled_all tms470 glibc; then
2938 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
2939 add_cppflags -D__USER_LABEL_PREFIX__=
2940 add_cppflags -D__builtin_memset=memset
2941 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
2942 add_cflags -pds=48 # incompatible redefinition of macro
2943fi
2944
2945esc(){
2946 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2947}
2948
2949echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
2950
2951check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2952
2953set_default $PATHS_LIST
2954set_default nm
2955
2956# we need to build at least one lib type
2957if ! enabled_any static shared; then
2958 cat <<EOF
2959At least one library type must be built.
2960Specify --enable-static to build the static libraries or --enable-shared to
2961build the shared libraries as well. To only build the shared libraries specify
2962--disable-static in addition to --enable-shared.
2963EOF
2964 exit 1;
2965fi
2966
2967die_license_disabled() {
2968 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2969}
2970
2971die_license_disabled gpl libcdio
2972die_license_disabled gpl libx264
2973die_license_disabled gpl libxavs
2974die_license_disabled gpl libxvid
2975die_license_disabled gpl x11grab
2976
2977die_license_disabled nonfree libfaac
2978die_license_disabled nonfree libfdk_aac
2979die_license_disabled nonfree openssl
2980
2981die_license_disabled version3 libopencore_amrnb
2982die_license_disabled version3 libopencore_amrwb
2983die_license_disabled version3 libvo_aacenc
2984die_license_disabled version3 libvo_amrwbenc
2985
2986enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2987
2988disabled optimizations || check_cflags -fomit-frame-pointer
2989
2990enable_pic() {
2991 enable pic
2992 add_cppflags -DPIC
2993 add_cflags -fPIC
2994 add_asflags -fPIC
2995}
2996
2997enabled pic && enable_pic
2998
2999check_cc <<EOF || die "Symbol mangling check failed."
3000int ff_extern;
3001EOF
3002sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3003extern_prefix=${sym%%ff_extern*}
3004
3005check_cc <<EOF && enable_weak inline_asm
3006void foo(void) { __asm__ volatile ("" ::); }
3007EOF
3008
3009_restrict=
3010for restrict_keyword in restrict __restrict__ __restrict; do
3011 check_cc <<EOF && _restrict=$restrict_keyword && break
3012void foo(char * $restrict_keyword p);
3013EOF
3014done
3015
3016check_cc <<EOF && enable attribute_packed
3017struct { int x; } __attribute__((packed)) x;
3018EOF
3019
3020check_cc <<EOF && enable attribute_may_alias
3021union { int x; } __attribute__((may_alias)) x;
3022EOF
3023
3024check_cc <<EOF || die "endian test failed"
3025unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3026EOF
3027od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3028
3029if enabled alpha; then
3030
3031 check_cflags -mieee
3032
3033elif enabled arm; then
3034
3035 enabled thumb && check_cflags -mthumb || check_cflags -marm
3036 nogas=die
3037
3038 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3039 enable vfp_args
3040 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3041 case "${cross_prefix:-$cc}" in
3042 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3043 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3044__asm__ (".eabi_attribute 28, 1");
3045int main(void) { return 0; }
3046EOF
3047 esac
3048 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3049 fi
3050
3051 enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
3052 enabled armv6 && check_inline_asm armv6 '"sadd16 r0, r0, r0"'
3053 enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
3054 enabled armvfp && check_inline_asm armvfp '"fadds s0, s0, s0"'
3055 enabled neon && check_inline_asm neon '"vadd.i16 q0, q0, q0"'
3056 enabled vfpv3 && check_inline_asm vfpv3 '"vmov.f32 s0, #1.0"'
3057
3058 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3059 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3060
3061 enabled_all armv6t2 shared !pic && enable_pic
3062
3063elif enabled mips; then
3064
3065 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3066
3067elif enabled ppc; then
3068
3069 enable local_aligned_8 local_aligned_16
3070
3071 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3072 check_inline_asm ibm_asm '"add 0, 0, 0"'
3073 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3074 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3075
3076 # AltiVec flags: The FSF version of GCC differs from the Apple version
3077 if enabled altivec; then
3078 nogas=warn
3079 check_cflags -maltivec -mabi=altivec &&
3080 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3081 check_cflags -faltivec
3082
3083 # check if our compiler supports Motorola AltiVec C API
3084 check_cc <<EOF || disable altivec
3085$inc_altivec_h
3086int main(void) {
3087 vector signed int v1 = (vector signed int) { 0 };
3088 vector signed int v2 = (vector signed int) { 1 };
3089 v1 = vec_add(v1, v2);
3090 return 0;
3091}
3092EOF
3093
3094 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3095 fi
3096
3097elif enabled sparc; then
3098
3099 enabled vis &&
3100 check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3101 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3102
3103elif enabled x86; then
3104
3105 check_code ld intrin.h "__rdtsc()" && enable rdtsc
3106
3107 check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
3108
3109 enable local_aligned_8 local_aligned_16
3110
3111 # check whether EBP is available on x86
3112 # As 'i' is stored on the stack, this program will crash
3113 # if the base pointer is used to access it because the
3114 # base pointer is cleared in the inline assembly code.
3115 check_exec_crash <<EOF && enable ebp_available
3116volatile int i=0;
3117__asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3118return i;
3119EOF
3120
3121 # check whether EBX is available on x86
3122 check_inline_asm ebx_available '""::"b"(0)' &&
3123 check_inline_asm ebx_available '"":::"%ebx"'
3124
3125 # check whether xmm clobbers are supported
3126 check_inline_asm xmm_clobbers '"":::"%xmm0"'
3127
3128 # check whether binutils is new enough to compile SSSE3/MMXEXT
3129 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3130 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3131
3132 if ! disabled_any asm mmx yasm; then
3133 if check_cmd $yasmexe --version; then
3134 enabled x86_64 && yasm_extra="-m amd64"
3135 yasm_debug="-g dwarf2"
3136 elif check_cmd nasm -v; then
3137 yasmexe=nasm
3138 yasm_debug="-g -F dwarf"
3139 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3140 fi
3141
3142 YASMFLAGS="-f $objformat $yasm_extra"
3143 enabled pic && append YASMFLAGS "-DPIC"
3144 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3145 case "$objformat" in
3146 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3147 esac
3148
3149 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3150 die "yasm not found, use --disable-yasm for a crippled build"
3151 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external
3152 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3153 check_yasm "CPU amdnop" && enable cpunop
3154 fi
3155
3156 case "$cpu" in
3157 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3158 disable fast_clz
3159 ;;
3160 esac
3161
3162fi
3163
3164if enabled asm; then
3165 as=${gas:=$as}
3166 check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3167 $nogas "GNU assembler not found, install gas-preprocessor"
3168fi
3169
3170check_ldflags -Wl,--as-needed
3171
3172if check_func dlopen; then
3173 ldl=
3174elif check_func dlopen -ldl; then
3175 ldl=-ldl
3176fi
3177
3178if enabled network; then
3179 check_type "sys/types.h sys/socket.h" socklen_t
3180 check_type netdb.h "struct addrinfo"
3181 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3182 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3183 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3184 check_type netinet/in.h "struct sockaddr_in6"
3185 check_type poll.h "struct pollfd"
3186 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3187 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3188 check_type netinet/sctp.h "struct sctp_event_subscribe"
3189 check_func getaddrinfo $network_extralibs
3190 check_func getservbyport $network_extralibs
3191 # Prefer arpa/inet.h over winsock2
3192 if check_header arpa/inet.h ; then
3193 check_func closesocket
3194 elif check_header winsock2.h ; then
3195 check_func_headers winsock2.h closesocket -lws2 &&
3196 network_extralibs="-lws2" ||
3197 { check_func_headers winsock2.h closesocket -lws2_32 &&
3198 network_extralibs="-lws2_32"; }
3199 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3200 check_type ws2tcpip.h socklen_t
3201 check_type ws2tcpip.h "struct addrinfo"
3202 check_type ws2tcpip.h "struct group_source_req"
3203 check_type ws2tcpip.h "struct ip_mreq_source"
3204 check_type ws2tcpip.h "struct ipv6_mreq"
3205 check_type winsock2.h "struct pollfd"
3206 check_type ws2tcpip.h "struct sockaddr_in6"
3207 check_type ws2tcpip.h "struct sockaddr_storage"
3208 check_struct winsock2.h "struct sockaddr" sa_len
3209 else
3210 disable network
3211 fi
3212fi
3213
3214# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3215check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3216
3217check_func fcntl
3218check_func fork
3219check_func gethrtime
3220check_func getopt
3221check_func getrusage
3222check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3223check_func gettimeofday
3224check_func inet_aton $network_extralibs
3225check_func isatty
3226check_func localtime_r
3227check_func ${malloc_prefix}memalign && enable memalign
3228check_func mkstemp
3229check_func mmap
3230check_func mprotect
3231check_func ${malloc_prefix}posix_memalign && enable posix_memalign
3232check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
3233check_func setrlimit
3234check_func strerror_r
3235check_func strptime
3236check_func strtok_r
3237check_func sched_getaffinity
3238check_func sysconf
3239check_func sysctl
3240check_func usleep
3241check_func_headers io.h setmode
3242check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3243check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
3244check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3245check_func_headers windows.h GetProcessAffinityMask
3246check_func_headers windows.h GetProcessTimes
3247check_func_headers windows.h GetSystemTimeAsFileTime
3248check_func_headers windows.h MapViewOfFile
3249check_func_headers windows.h Sleep
3250check_func_headers windows.h VirtualAlloc
3251
3252check_header direct.h
3253check_header dlfcn.h
3254check_header dxva.h
3255check_header dxva2api.h
3256check_header io.h
3257check_header malloc.h
3258check_header poll.h
3259check_header sys/mman.h
3260check_header sys/param.h
3261check_header sys/resource.h
3262check_header sys/select.h
3263check_header sys/time.h
3264check_header unistd.h
3265check_header vdpau/vdpau.h
3266check_header vdpau/vdpau_x11.h
3267check_header windows.h
3268check_header X11/extensions/XvMClib.h
3269
3270disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
3271disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3272
3273if ! disabled w32threads && ! enabled pthreads; then
3274 check_func _beginthreadex && enable w32threads
3275fi
3276
3277# check for some common methods of building with pthread support
3278# do this before the optional library checks as some of them require pthreads
3279if ! disabled pthreads && ! enabled w32threads; then
3280 enable pthreads
3281 if check_func pthread_create; then
3282 :
3283 elif check_func pthread_create -pthread; then
3284 add_cflags -pthread
3285 add_extralibs -pthread
3286 elif check_func pthread_create -pthreads; then
3287 add_cflags -pthreads
3288 add_extralibs -pthreads
3289 elif check_func pthread_create -lpthreadGC2; then
3290 add_extralibs -lpthreadGC2
3291 elif ! check_lib pthread.h pthread_create -lpthread; then
3292 disable pthreads
3293 fi
3294fi
3295
3296for thread in $THREADS_LIST; do
3297 if enabled $thread; then
3298 test -n "$thread_type" &&
3299 die "ERROR: Only one thread type must be selected." ||
3300 thread_type="$thread"
3301 fi
3302done
3303
3304check_lib math.h sin -lm && LIBM="-lm"
3305enabled vaapi && require vaapi va/va.h vaInitialize -lva
3306
3307for func in $MATH_FUNCS; do
3308 check_mathfunc $func
3309done
3310
3311# these are off by default, so fail if requested and not available
3312enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3313enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3314enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3315enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3316enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3317enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3318enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
3319enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3320enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3321enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3322enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3323enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3324enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3325enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3326enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3327enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3328enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3329enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
3330enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3331enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3332enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3333enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3334enabled libvpx && {
3335 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3336 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3337 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
3338 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
3339enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
3340 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3341 die "ERROR: libx264 version must be >= 0.118."; }
3342enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
3343enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
3344enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3345 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3346 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3347 die "ERROR: openssl not found"; }
3348
3349if enabled gnutls; then
3350 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3351 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3352fi
3353
3354# libdc1394 check
3355if enabled libdc1394; then
3356 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3357 enable libdc1394_2; } ||
3358 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3359 enable libdc1394_1; } ||
3360 die "ERROR: No version of libdc1394 found "
3361fi
3362
3363if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3364 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3365 enable sdl &&
3366 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3367fi
3368
3369texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3370
3371check_header linux/fb.h
3372check_header linux/videodev2.h
3373check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3374
3375check_header sys/videoio.h
3376
3377check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3378# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3379# w32api 3.12 had it defined wrong
3380check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3381
3382# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3383{ check_header dev/bktr/ioctl_meteor.h &&
3384 check_header dev/bktr/ioctl_bt848.h; } ||
3385{ check_header machine/ioctl_meteor.h &&
3386 check_header machine/ioctl_bt848.h; } ||
3387{ check_header dev/video/meteor/ioctl_meteor.h &&
3388 check_header dev/video/bktr/ioctl_bt848.h; } ||
3389check_header dev/ic/bt8xx.h
3390
3391check_header sndio.h
3392check_header sys/soundcard.h
3393check_header soundcard.h
3394
3395enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3396
3397enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3398 check_func jack_port_get_latency_range -ljack
3399
3400enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3401
3402enabled libcdio &&
3403 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio
3404
3405enabled x11grab &&
3406require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3407require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3408require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3409
3410# check for VDA header
3411if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3412 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3413fi
3414
3415if ! disabled vdpau && enabled vdpau_vdpau_h; then
3416 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3417 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." && disable vdpau; }
3418fi
3419
3420enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3421
3422# add some useful compiler flags if supported
3423check_cflags -Wdeclaration-after-statement
3424check_cflags -Wall
3425check_cflags -Wno-parentheses
3426check_cflags -Wno-switch
3427check_cflags -Wno-format-zero-length
3428check_cflags -Wdisabled-optimization
3429check_cflags -Wpointer-arith
3430check_cflags -Wredundant-decls
3431check_cflags -Wno-pointer-sign
3432check_cflags -Wcast-qual
3433check_cflags -Wwrite-strings
3434check_cflags -Wtype-limits
3435check_cflags -Wundef
3436check_cflags -Wmissing-prototypes
3437check_cflags -Wstrict-prototypes
3438enabled extra_warnings && check_cflags -Winline
3439
3440# add some linker flags
3441check_ldflags -Wl,--warn-common
3442check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3443test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3444
3445enabled xmm_clobber_test &&
3446 check_ldflags -Wl,--wrap,avcodec_open2 \
3447 -Wl,--wrap,avcodec_decode_audio4 \
3448 -Wl,--wrap,avcodec_decode_video2 \
3449 -Wl,--wrap,avcodec_decode_subtitle2 \
3450 -Wl,--wrap,avcodec_encode_audio2 \
3451 -Wl,--wrap,avcodec_encode_video \
3452 -Wl,--wrap,avcodec_encode_subtitle \
3453 -Wl,--wrap,sws_scale ||
3454 disable xmm_clobber_test
3455
3456echo "X{};" > $TMPV
3457if test_ldflags -Wl,--version-script,$TMPV; then
3458 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3459 check_cc <<EOF && enable symver_asm_label
3460void ff_foo(void) __asm__ ("av_foo@VERSION");
3461void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3462EOF
3463 check_cc <<EOF && enable symver_gnu_asm
3464__asm__(".symver ff_foo,av_foo@VERSION");
3465void ff_foo(void) {}
3466EOF
3467fi
3468
3469if [ -z "$optflags" ]; then
3470 if enabled small; then
3471 optflags=$cflags_size
3472 elif enabled optimizations; then
3473 optflags=$cflags_speed
3474 else
3475 optflags=$cflags_noopt
3476 fi
3477fi
3478
3479check_optflags(){
3480 check_cflags "$@"
3481 enabled lto && check_ldflags "$@"
3482}
3483
3484
3485if enabled lto; then
3486 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
3487 check_cflags -flto
3488 check_ldflags -flto $cpuflags
3489fi
3490
3491check_optflags $optflags
3492check_optflags -fno-math-errno
3493check_optflags -fno-signed-zeros
3494
3495if enabled icc; then
3496 # Just warnings, no remarks
3497 check_cflags -w1
3498 # -wd: Disable following warnings
3499 # 144, 167, 556: -Wno-pointer-sign
3500 # 1292: attribute "foo" ignored
3501 # 1419: external declaration in primary source file
3502 # 10006: ignoring unknown option -fno-signed-zeros
3503 # 10148: ignoring unknown option -Wno-parentheses
3504 # 10156: ignoring option '-W'; no argument required
3505 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3506 # 11030: Warning unknown option --as-needed
3507 # 10156: ignoring option '-export'; no argument required
3508 check_ldflags -wd10156,11030
3509 # Allow to compile with optimizations
3510 check_ldflags -march=$cpu
3511 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3512 enable ebp_available
3513 if enabled x86_32; then
3514 icc_version=$($cc -dumpversion)
3515 test ${icc_version%%.*} -ge 11 &&
3516 check_cflags -falign-stack=maintain-16-byte ||
3517 disable aligned_stack
3518 fi
3519elif enabled ccc; then
3520 # disable some annoying warnings
3521 add_cflags -msg_disable cvtu32to64
3522 add_cflags -msg_disable embedcomment
3523 add_cflags -msg_disable needconstext
3524 add_cflags -msg_disable nomainieee
3525 add_cflags -msg_disable ptrmismatch1
3526 add_cflags -msg_disable unreachcode
3527elif enabled gcc; then
3528 check_optflags -fno-tree-vectorize
3529 check_cflags -Werror=implicit-function-declaration
3530 check_cflags -Werror=missing-prototypes
3531 check_cflags -Werror=declaration-after-statement
3532 check_cflags -Werror=vla
3533elif enabled llvm_gcc; then
3534 check_cflags -mllvm -stack-alignment=16
3535elif enabled clang; then
3536 check_cflags -mllvm -stack-alignment=16
3537 check_cflags -Qunused-arguments
3538elif enabled armcc; then
3539 # 2523: use of inline assembler is deprecated
3540 add_cflags -W${armcc_opt},--diag_suppress=2523
3541 add_cflags -W${armcc_opt},--diag_suppress=1207
3542 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3543 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3544 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3545 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3546elif enabled tms470; then
3547 add_cflags -pds=824 -pds=837
3548elif enabled pathscale; then
3549 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3550elif enabled msvc; then
3551 enabled x86_32 && disable aligned_stack
3552fi
3553
3554case $target_os in
3555 plan9)
3556 add_cppflags -Dmain=plan9_main
3557 ;;
3558esac
3559
3560enabled_any $THREADS_LIST && enable threads
3561
3562enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3563
3564check_deps $CONFIG_LIST \
3565 $CONFIG_EXTRA \
3566 $HAVE_LIST \
3567 $ALL_COMPONENTS \
3568
3569! enabled_any memalign posix_memalign aligned_malloc &&
3570 enabled_any $need_memalign && enable memalign_hack
3571
3572echo "install prefix $prefix"
3573echo "source path $source_path"
3574echo "C compiler $cc"
3575echo "ARCH $arch ($cpu)"
3576if test "$build_suffix" != ""; then
3577 echo "build suffix $build_suffix"
3578fi
3579if test "$extra_version" != ""; then
3580 echo "version string suffix $extra_version"
3581fi
3582echo "big-endian ${bigendian-no}"
3583echo "runtime cpu detection ${runtime_cpudetect-no}"
3584if enabled x86; then
3585 echo "${yasmexe} ${yasm-no}"
3586 echo "MMX enabled ${mmx-no}"
3587 echo "MMXEXT enabled ${mmxext-no}"
3588 echo "3DNow! enabled ${amd3dnow-no}"
3589 echo "3DNow! extended enabled ${amd3dnowext-no}"
3590 echo "SSE enabled ${sse-no}"
3591 echo "SSSE3 enabled ${ssse3-no}"
3592 echo "AVX enabled ${avx-no}"
3593 echo "FMA4 enabled ${fma4-no}"
3594 echo "CMOV enabled ${cmov-no}"
3595 echo "CMOV is fast ${fast_cmov-no}"
3596 echo "EBX available ${ebx_available-no}"
3597 echo "EBP available ${ebp_available-no}"
3598fi
3599if enabled arm; then
3600 echo "ARMv5TE enabled ${armv5te-no}"
3601 echo "ARMv6 enabled ${armv6-no}"
3602 echo "ARMv6T2 enabled ${armv6t2-no}"
3603 echo "ARM VFP enabled ${armvfp-no}"
3604 echo "NEON enabled ${neon-no}"
3605fi
3606if enabled ppc; then
3607 echo "AltiVec enabled ${altivec-no}"
3608 echo "PPC 4xx optimizations ${ppc4xx-no}"
3609 echo "dcbzl available ${dcbzl-no}"
3610fi
3611if enabled sparc; then
3612 echo "VIS enabled ${vis-no}"
3613fi
3614echo "debug symbols ${debug-no}"
3615echo "optimize for size ${small-no}"
3616echo "optimizations ${optimizations-no}"
3617echo "static ${static-no}"
3618echo "shared ${shared-no}"
3619echo "new filter support ${avfilter-no}"
3620echo "network support ${network-no}"
3621echo "threading support ${thread_type-no}"
3622echo "safe bitstream reader ${safe_bitstream_reader-no}"
3623echo "SDL support ${sdl-no}"
3624echo "libdxva2 enabled ${dxva2-no}"
3625echo "libva enabled ${vaapi-no}"
3626echo "libvdpau enabled ${vdpau-no}"
3627echo "AVISynth enabled ${avisynth-no}"
3628echo "frei0r enabled ${frei0r-no}"
3629echo "gnutls enabled ${gnutls-no}"
3630echo "libcdio support ${libcdio-no}"
3631echo "libdc1394 support ${libdc1394-no}"
3632echo "libfaac enabled ${libfaac-no}"
3633echo "libfdk-aac enabled ${libfdk_aac-no}"
3634echo "libgsm enabled ${libgsm-no}"
3635echo "libilbc enabled ${libilbc-no}"
3636echo "libmp3lame enabled ${libmp3lame-no}"
3637echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3638echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3639echo "libopencv support ${libopencv-no}"
3640echo "libopenjpeg enabled ${libopenjpeg-no}"
3641echo "libopus enabled ${libopus-no}"
3642echo "libpulse enabled ${libpulse-no}"
3643echo "librtmp enabled ${librtmp-no}"
3644echo "libschroedinger enabled ${libschroedinger-no}"
3645echo "libspeex enabled ${libspeex-no}"
3646echo "libtheora enabled ${libtheora-no}"
3647echo "libvo-aacenc support ${libvo_aacenc-no}"
3648echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3649echo "libvorbis enabled ${libvorbis-no}"
3650echo "libvpx enabled ${libvpx-no}"
3651echo "libx264 enabled ${libx264-no}"
3652echo "libxavs enabled ${libxavs-no}"
3653echo "libxvid enabled ${libxvid-no}"
3654echo "openssl enabled ${openssl-no}"
3655echo "zlib enabled ${zlib-no}"
3656echo "bzlib enabled ${bzlib-no}"
3657test -n "$random_seed" &&
3658 echo "random seed ${random_seed}"
3659echo
3660
3661for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3662 echo "Enabled ${type}s:"
3663 eval list=\$$(toupper $type)_LIST
3664 print_enabled '_*' $list | sort | pr -r -3 -t
3665 echo
3666done
3667
3668license="LGPL version 2.1 or later"
3669if enabled nonfree; then
3670 license="nonfree and unredistributable"
3671elif enabled gplv3; then
3672 license="GPL version 3 or later"
3673elif enabled lgplv3; then
3674 license="LGPL version 3 or later"
3675elif enabled gpl; then
3676 license="GPL version 2 or later"
3677fi
3678
3679echo "License: $license"
3680
3681echo "Creating config.mak and config.h..."
3682
3683test -e Makefile || $ln_s "$source_path/Makefile" .
3684
3685config_files="$TMPH config.mak"
3686
3687cat > config.mak <<EOF
3688# Automatically generated by configure - do not modify!
3689LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3690prefix=$prefix
3691LIBDIR=\$(DESTDIR)$libdir
3692SHLIBDIR=\$(DESTDIR)$shlibdir
3693INCDIR=\$(DESTDIR)$incdir
3694BINDIR=\$(DESTDIR)$bindir
3695DATADIR=\$(DESTDIR)$datadir
3696MANDIR=\$(DESTDIR)$mandir
3697SRC_PATH=$source_path
3698CC_IDENT=$cc_ident
3699ARCH=$arch
3700CC=$cc
3701AS=$as
3702LD=$ld
3703DEPCC=$dep_cc
3704DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
3705DEPAS=$as
3706DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
3707YASM=$yasmexe
3708DEPYASM=$yasmexe
3709AR=$ar
3710ARFLAGS=$arflags
3711AR_O=$ar_o
3712RANLIB=$ranlib
3713LN_S=$ln_s
3714CPPFLAGS=$CPPFLAGS
3715CFLAGS=$CFLAGS
3716ASFLAGS=$ASFLAGS
3717AS_C=$AS_C
3718AS_O=$AS_O
3719CC_C=$CC_C
3720CC_O=$CC_O
3721LD_O=$LD_O
3722LD_LIB=$LD_LIB
3723LD_PATH=$LD_PATH
3724DLLTOOL=$dlltool
3725LDFLAGS=$LDFLAGS
3726LDFLAGS-avserver=$AVSERVERLDFLAGS
3727SHFLAGS=$SHFLAGS
3728YASMFLAGS=$YASMFLAGS
3729BUILDSUF=$build_suffix
3730FULLNAME=$FULLNAME
3731LIBPREF=$LIBPREF
3732LIBSUF=$LIBSUF
3733LIBNAME=$LIBNAME
3734SLIBPREF=$SLIBPREF
3735SLIBSUF=$SLIBSUF
3736EXESUF=$EXESUF
3737EXTRA_VERSION=$extra_version
3738CCDEP=$CCDEP
3739CCDEP_FLAGS=$CCDEP_FLAGS
3740ASDEP=$ASDEP
3741ASDEP_FLAGS=$ASDEP_FLAGS
3742CC_DEPFLAGS=$CC_DEPFLAGS
3743AS_DEPFLAGS=$AS_DEPFLAGS
3744HOSTCC=$host_cc
3745HOSTLD=$host_ld
3746HOSTCFLAGS=$host_cflags
3747HOSTEXESUF=$HOSTEXESUF
3748HOSTLDFLAGS=$host_ldflags
3749HOSTLIBS=$host_libs
3750DEPHOSTCC=$host_cc
3751DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
3752HOSTCCDEP=$HOSTCCDEP
3753HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
3754HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
3755HOSTCC_C=$HOSTCC_C
3756HOSTCC_O=$HOSTCC_O
3757HOSTLD_O=$HOSTLD_O
3758TARGET_EXEC=$target_exec
3759TARGET_PATH=$target_path
3760LIBS-avplay=$sdl_libs
3761CFLAGS-avplay=$sdl_cflags
3762ZLIB=$($ldflags_filter -lz)
3763LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3764EXTRALIBS=$extralibs
3765COMPAT_OBJS=$compat_objs
3766EXEOBJS=$exeobjs
3767INSTALL=install
3768LIBTARGET=${LIBTARGET}
3769SLIBNAME=${SLIBNAME}
3770SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3771SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3772SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3773SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3774SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3775SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3776SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3777SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3778SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
3779EOF
3780
3781get_version(){
3782 lcname=$1
3783 name=$(toupper $lcname)
3784 file=$source_path/$lcname/version.h
3785 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
3786 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3787 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3788 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3789}
3790
3791get_version libavcodec
3792get_version libavdevice
3793get_version libavfilter
3794get_version libavformat
3795get_version libavresample
3796get_version libavutil
3797get_version libswscale
3798
3799cat > $TMPH <<EOF
3800/* Automatically generated by configure - do not modify! */
3801#ifndef LIBAV_CONFIG_H
3802#define LIBAV_CONFIG_H
3803#define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3804#define LIBAV_LICENSE "$(c_escape $license)"
3805#define AVCONV_DATADIR "$(eval c_escape $datadir)"
3806#define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
3807#define restrict $_restrict
3808#define EXTERN_PREFIX "${extern_prefix}"
3809#define EXTERN_ASM ${extern_prefix}
3810#define SLIBSUF "$SLIBSUF"
3811EOF
3812
3813test -n "$malloc_prefix" &&
3814 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3815
3816if enabled yasm; then
3817 append config_files $TMPASM
3818 printf '' >$TMPASM
3819fi
3820
3821print_config ARCH_ "$config_files" $ARCH_LIST
3822print_config HAVE_ "$config_files" $HAVE_LIST
3823print_config CONFIG_ "$config_files" $CONFIG_LIST \
3824 $CONFIG_EXTRA \
3825 $ALL_COMPONENTS \
3826
3827echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3828
3829# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3830cp_if_changed $TMPH config.h
3831touch .config
3832
3833enabled yasm && cp_if_changed $TMPASM config.asm
3834
3835cat > $TMPH <<EOF
3836/* Generated by ffconf */
3837#ifndef AVUTIL_AVCONFIG_H
3838#define AVUTIL_AVCONFIG_H
3839EOF
3840
3841print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3842
3843echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3844
3845cp_if_changed $TMPH libavutil/avconfig.h
3846
3847test -n "$WARNINGS" && printf "\n$WARNINGS"
3848
3849# build pkg-config files
3850
3851pkgconfig_generate(){
3852 name=$1
3853 shortname=${name#lib}${build_suffix}
3854 comment=$2
3855 version=$3
3856 libs=$4
3857 requires=$5
3858 enabled ${name#lib} || return 0
3859 mkdir -p $name
3860 cat <<EOF > $name/$name.pc
3861prefix=$prefix
3862exec_prefix=\${prefix}
3863libdir=$libdir
3864includedir=$incdir
3865
3866Name: $name
3867Description: $comment
3868Version: $version
3869Requires: $(enabled shared || echo $requires)
3870Requires.private: $(enabled shared && echo $requires)
3871Conflicts:
3872Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3873Libs.private: $(enabled shared && echo $libs)
3874Cflags: -I\${includedir}
3875EOF
3876 cat <<EOF > $name/$name-uninstalled.pc
3877prefix=
3878exec_prefix=
3879libdir=\${pcfiledir}
3880includedir=${source_path}
3881
3882Name: $name
3883Description: $comment
3884Version: $version
3885Requires: $requires
3886Conflicts:
3887Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3888Cflags: -I\${includedir}
3889EOF
3890}
3891
3892pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3893pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3894pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3895pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3896pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3897pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3898pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"