f72db763130607cfdbd6708744a128f4789e2231
[libav.git] / configure
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.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN 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
55 fi
56
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60 cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78 Standard options:
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
84 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
85 --libdir=DIR install libs in DIR [PREFIX/lib]
86 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
87 --incdir=DIR install includes in DIR [PREFIX/include]
88 --mandir=DIR install man page in DIR [PREFIX/share/man]
89
90 Licensing options:
91 --enable-gpl allow use of GPL code, the resulting libs
92 and binaries will be under GPL [no]
93 --enable-version3 upgrade (L)GPL to version 3 [no]
94 --enable-nonfree allow use of nonfree code, the resulting libs
95 and binaries will be unredistributable [no]
96
97 Configuration options:
98 --disable-static do not build static libraries [no]
99 --enable-shared build shared libraries [no]
100 --enable-small optimize for size instead of speed
101 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
102 --enable-gray enable full grayscale support (slower color)
103 --disable-swscale-alpha disable alpha channel support in swscale
104 --disable-all disable building components, libraries and programs
105
106 Program options:
107 --disable-programs do not build command line programs
108 --disable-avconv disable avconv build
109 --disable-avplay disable avplay build
110 --disable-avprobe disable avprobe build
111 --disable-avserver disable avserver build
112
113 Component options:
114 --disable-doc do not build documentation
115 --disable-avdevice disable libavdevice build
116 --disable-avcodec disable libavcodec build
117 --disable-avformat disable libavformat build
118 --disable-avutil disable libavutil build
119 --disable-swscale disable libswscale build
120 --disable-avfilter disable video filter support [no]
121 --disable-avresample disable libavresample build [no]
122 --disable-pthreads disable pthreads [auto]
123 --disable-w32threads disable Win32 threads [auto]
124 --disable-network disable network support [no]
125 --disable-dct disable DCT code
126 --disable-error-resilience disable error resilience code
127 --disable-lsp disable LSP code
128 --disable-lzo disable LZO decoder code
129 --disable-mdct disable MDCT code
130 --disable-rdft disable RDFT code
131 --disable-fft disable FFT code
132
133 Hardware accelerators:
134 --enable-dxva2 enable DXVA2 code
135 --enable-vaapi enable VAAPI code
136 --enable-vda enable VDA code
137 --enable-vdpau enable VDPAU code
138
139 Individual component options:
140 --disable-everything disable all components listed below
141 --disable-encoder=NAME disable encoder NAME
142 --enable-encoder=NAME enable encoder NAME
143 --disable-encoders disable all encoders
144 --disable-decoder=NAME disable decoder NAME
145 --enable-decoder=NAME enable decoder NAME
146 --disable-decoders disable all decoders
147 --disable-hwaccel=NAME disable hwaccel NAME
148 --enable-hwaccel=NAME enable hwaccel NAME
149 --disable-hwaccels disable all hwaccels
150 --disable-muxer=NAME disable muxer NAME
151 --enable-muxer=NAME enable muxer NAME
152 --disable-muxers disable all muxers
153 --disable-demuxer=NAME disable demuxer NAME
154 --enable-demuxer=NAME enable demuxer NAME
155 --disable-demuxers disable all demuxers
156 --enable-parser=NAME enable parser NAME
157 --disable-parser=NAME disable parser NAME
158 --disable-parsers disable all parsers
159 --enable-bsf=NAME enable bitstream filter NAME
160 --disable-bsf=NAME disable bitstream filter NAME
161 --disable-bsfs disable all bitstream filters
162 --enable-protocol=NAME enable protocol NAME
163 --disable-protocol=NAME disable protocol NAME
164 --disable-protocols disable all protocols
165 --enable-indev=NAME enable input device NAME
166 --disable-indev=NAME disable input device NAME
167 --disable-indevs disable input devices
168 --enable-outdev=NAME enable output device NAME
169 --disable-outdev=NAME disable output device NAME
170 --disable-outdevs disable output devices
171 --disable-devices disable all devices
172 --enable-filter=NAME enable filter NAME
173 --disable-filter=NAME disable filter NAME
174 --disable-filters disable all filters
175
176 External library support:
177 --enable-avisynth enable reading of AviSynth script files [no]
178 --enable-bzlib enable bzlib [autodetect]
179 --enable-frei0r enable frei0r video filtering
180 --enable-gnutls enable gnutls [no]
181 --enable-libcdio enable audio CD grabbing with libcdio
182 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
183 and libraw1394 [no]
184 --enable-libfaac enable AAC encoding via libfaac [no]
185 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
186 --enable-libfreetype enable libfreetype [no]
187 --enable-libgsm enable GSM de/encoding via libgsm [no]
188 --enable-libilbc enable iLBC de/encoding via libilbc [no]
189 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
190 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
191 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
192 --enable-libopencv enable video filtering via libopencv [no]
193 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
194 --enable-libopus enable Opus decoding via libopus [no]
195 --enable-libpulse enable Pulseaudio input via libpulse [no]
196 --enable-librtmp enable RTMP[E] support via librtmp [no]
197 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
198 --enable-libspeex enable Speex de/encoding via libspeex [no]
199 --enable-libtheora enable Theora encoding via libtheora [no]
200 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
201 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
202 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
203 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
204 --enable-libwavpack enable wavpack encoding via libwavpack [no]
205 --enable-libx264 enable H.264 encoding via x264 [no]
206 --enable-libxavs enable AVS encoding via xavs [no]
207 --enable-libxvid enable Xvid encoding via xvidcore,
208 native MPEG-4/Xvid encoder exists [no]
209 --enable-openssl enable openssl [no]
210 --enable-x11grab enable X11 grabbing [no]
211 --enable-zlib enable zlib [autodetect]
212
213 Advanced options (experts only):
214 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
215 --enable-cross-compile assume a cross-compiler is used
216 --sysroot=PATH root of cross-build tree
217 --sysinclude=PATH location of cross-build system headers
218 --target-os=OS compiler targets OS [$target_os]
219 --target-exec=CMD command to run executables on target
220 --target-path=DIR path to view of build directory on target
221 --target-samples=DIR path to samples directory on target
222 --toolchain=NAME set tool defaults according to NAME
223 --nm=NM use nm tool
224 --ar=AR use archive tool AR [$ar_default]
225 --as=AS use assembler AS [$as_default]
226 --cc=CC use C compiler CC [$cc_default]
227 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
228 --ld=LD use linker LD
229 --host-cc=HOSTCC use host C compiler HOSTCC
230 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
231 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
232 --host-ld=HOSTLD use host linker HOSTLD
233 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
234 --host-libs=HLIBS use libs HLIBS when linking for host
235 --host-os=OS compiler host OS [$target_os]
236 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
237 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
238 --extra-libs=ELIBS add ELIBS [$ELIBS]
239 --extra-version=STRING version string suffix []
240 --optflags=OPTFLAGS override optimization-related compiler flags
241 --build-suffix=SUFFIX library name suffix []
242 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
243 --arch=ARCH select architecture [$arch]
244 --cpu=CPU select the minimum required CPU (affects
245 instruction selection, may crash on older CPUs)
246 --enable-pic build position-independent code
247 --enable-sram allow use of on-chip SRAM
248 --enable-thumb compile for Thumb instruction set
249 --disable-symver disable symbol versioning
250 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
251 --disable-safe-bitstream-reader
252 disable buffer boundary checking in bitreaders
253 (faster, but may crash)
254 --enable-memalign-hack emulate memalign, interferes with memory debuggers
255 --enable-lto use link-time optimization
256
257 Optimization options (experts only):
258 --disable-asm disable all assembler optimizations
259 --disable-altivec disable AltiVec optimizations
260 --disable-amd3dnow disable 3DNow! optimizations
261 --disable-amd3dnowext disable 3DNow! extended optimizations
262 --disable-mmx disable MMX optimizations
263 --disable-mmxext disable MMXEXT optimizations
264 --disable-sse disable SSE optimizations
265 --disable-sse2 disable SSE2 optimizations
266 --disable-sse3 disable SSE3 optimizations
267 --disable-ssse3 disable SSSE3 optimizations
268 --disable-sse4 disable SSE4 optimizations
269 --disable-sse42 disable SSE4.2 optimizations
270 --disable-avx disable AVX optimizations
271 --disable-fma4 disable FMA4 optimizations
272 --disable-avx2 disable AVX2 optimizations
273 --disable-armv5te disable armv5te optimizations
274 --disable-armv6 disable armv6 optimizations
275 --disable-armv6t2 disable armv6t2 optimizations
276 --disable-vfp disable VFP optimizations
277 --disable-neon disable NEON optimizations
278 --disable-vis disable VIS optimizations
279 --disable-inline-asm disable use of inline assembler
280 --disable-yasm disable use of yasm assembler
281
282 Developer options (useful when working on Libav itself):
283 --disable-debug disable debugging symbols
284 --enable-debug=LEVEL set the debug level [$debuglevel]
285 --disable-optimizations disable compiler optimizations
286 --enable-extra-warnings enable more compiler warnings
287 --samples=PATH location of test samples for FATE, if not set use
288 \$LIBAV_SAMPLES at make invocation time.
289 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
290 should be used only for debugging purposes)
291 --enable-random randomly enable/disable components
292 --disable-random
293 --enable-random=LIST randomly enable/disable specific components or
294 --disable-random=LIST component groups. LIST is a comma-separated list
295 of NAME[:PROB] entries where NAME is a component
296 (group) and PROB the probability associated with
297 NAME (default 0.5).
298 --random-seed=VALUE seed value for --enable/disable-random
299
300 NOTE: Object files are built at the place where configure is launched.
301 EOF
302 exit 0
303 }
304
305 quotes='""'
306
307 log(){
308 echo "$@" >> $logfile
309 }
310
311 log_file(){
312 log BEGIN $1
313 pr -n -t $1 >> $logfile
314 log END $1
315 }
316
317 echolog(){
318 log "$@"
319 echo "$@"
320 }
321
322 warn(){
323 log "WARNING: $*"
324 WARNINGS="${WARNINGS}WARNING: $*\n"
325 }
326
327 die(){
328 echolog "$@"
329 cat <<EOF
330
331 If you think configure made a mistake, make sure you are using the latest
332 version from Git. If the latest version fails, report the problem to the
333 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
334 EOF
335 if disabled logging; then
336 cat <<EOF
337 Rerun configure with logging enabled (do not use --disable-logging), and
338 include the log this produces with your report.
339 EOF
340 else
341 cat <<EOF
342 Include the log file "$logfile" produced by configure as this will help
343 solving the problem.
344 EOF
345 fi
346 exit 1
347 }
348
349 # Avoid locale weirdness, besides we really just want to translate ASCII.
350 toupper(){
351 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
352 }
353
354 tolower(){
355 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
356 }
357
358 c_escape(){
359 echo "$*" | sed 's/["\\]/\\\0/g'
360 }
361
362 sh_quote(){
363 v=$(echo "$1" | sed "s/'/'\\\\''/g")
364 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
365 echo "$v"
366 }
367
368 cleanws(){
369 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
370 }
371
372 filter(){
373 pat=$1
374 shift
375 for v; do
376 eval "case $v in $pat) echo $v ;; esac"
377 done
378 }
379
380 filter_out(){
381 pat=$1
382 shift
383 for v; do
384 eval "case $v in $pat) ;; *) echo $v ;; esac"
385 done
386 }
387
388 map(){
389 m=$1
390 shift
391 for v; do eval $m; done
392 }
393
394 add_suffix(){
395 suffix=$1
396 shift
397 for v; do echo ${v}${suffix}; done
398 }
399
400 set_all(){
401 value=$1
402 shift
403 for var in $*; do
404 eval $var=$value
405 done
406 }
407
408 set_weak(){
409 value=$1
410 shift
411 for var; do
412 eval : \${$var:=$value}
413 done
414 }
415
416 sanitize_var_name(){
417 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
418 }
419
420 set_safe(){
421 var=$1
422 shift
423 eval $(sanitize_var_name "$var")='$*'
424 }
425
426 get_safe(){
427 eval echo \$$(sanitize_var_name "$1")
428 }
429
430 pushvar(){
431 for pvar in $*; do
432 eval level=\${${pvar}_level:=0}
433 eval ${pvar}_${level}="\$$pvar"
434 eval ${pvar}_level=$(($level+1))
435 done
436 }
437
438 popvar(){
439 for pvar in $*; do
440 eval level=\${${pvar}_level:-0}
441 test $level = 0 && continue
442 eval level=$(($level-1))
443 eval $pvar="\${${pvar}_${level}}"
444 eval ${pvar}_level=$level
445 eval unset ${pvar}_${level}
446 done
447 }
448
449 enable(){
450 set_all yes $*
451 }
452
453 disable(){
454 set_all no $*
455 }
456
457 enable_weak(){
458 set_weak yes $*
459 }
460
461 disable_weak(){
462 set_weak no $*
463 }
464
465 enable_safe(){
466 for var; do
467 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
468 done
469 }
470
471 disable_safe(){
472 for var; do
473 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
474 done
475 }
476
477 do_enable_deep(){
478 for var; do
479 enabled $var && continue
480 eval sel="\$${var}_select"
481 eval sgs="\$${var}_suggest"
482 pushvar var sgs
483 enable_deep $sel
484 popvar sgs
485 enable_deep_weak $sgs
486 popvar var
487 done
488 }
489
490 enable_deep(){
491 do_enable_deep $*
492 enable $*
493 }
494
495 enable_deep_weak(){
496 for var; do
497 disabled $var && continue
498 pushvar var
499 do_enable_deep $var
500 popvar var
501 enable_weak $var
502 done
503 }
504
505 enabled(){
506 test "${1#!}" = "$1" && op== || op=!=
507 eval test "x\$${1#!}" $op "xyes"
508 }
509
510 disabled(){
511 test "${1#!}" = "$1" && op== || op=!=
512 eval test "x\$${1#!}" $op "xno"
513 }
514
515 enabled_all(){
516 for opt; do
517 enabled $opt || return 1
518 done
519 }
520
521 disabled_all(){
522 for opt; do
523 disabled $opt || return 1
524 done
525 }
526
527 enabled_any(){
528 for opt; do
529 enabled $opt && return 0
530 done
531 }
532
533 disabled_any(){
534 for opt; do
535 disabled $opt && return 0
536 done
537 return 1
538 }
539
540 set_default(){
541 for opt; do
542 eval : \${$opt:=\$${opt}_default}
543 done
544 }
545
546 is_in(){
547 value=$1
548 shift
549 for var in $*; do
550 [ $var = $value ] && return 0
551 done
552 return 1
553 }
554
555 do_check_deps(){
556 for cfg; do
557 cfg="${cfg#!}"
558 enabled ${cfg}_checking && die "Circular dependency for $cfg."
559 disabled ${cfg}_checking && continue
560 enable ${cfg}_checking
561 append allopts $cfg
562
563 eval dep_all="\$${cfg}_deps"
564 eval dep_any="\$${cfg}_deps_any"
565 eval dep_sel="\$${cfg}_select"
566 eval dep_sgs="\$${cfg}_suggest"
567 eval dep_ifa="\$${cfg}_if"
568 eval dep_ifn="\$${cfg}_if_any"
569
570 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
571 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
572 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
573
574 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
575 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
576 enabled_all $dep_all || disable $cfg
577 enabled_any $dep_any || disable $cfg
578 disabled_any $dep_sel && disable $cfg
579
580 if enabled $cfg; then
581 enable_deep $dep_sel
582 enable_deep_weak $dep_sgs
583 fi
584
585 disable ${cfg}_checking
586 done
587 }
588
589 check_deps(){
590 unset allopts
591
592 do_check_deps "$@"
593
594 for cfg in $allopts; do
595 enabled $cfg || continue
596 eval dep_extralibs="\$${cfg}_extralibs"
597 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
598 done
599 }
600
601 print_config(){
602 pfx=$1
603 files=$2
604 shift 2
605 map 'eval echo "$v \${$v:-no}"' "$@" |
606 awk "BEGIN { split(\"$files\", files) }
607 {
608 c = \"$pfx\" toupper(\$1);
609 v = \$2;
610 sub(/yes/, 1, v);
611 sub(/no/, 0, v);
612 for (f in files) {
613 file = files[f];
614 if (file ~ /\\.h\$/) {
615 printf(\"#define %s %d\\n\", c, v) >>file;
616 } else if (file ~ /\\.asm\$/) {
617 printf(\"%%define %s %d\\n\", c, v) >>file;
618 } else if (file ~ /\\.mak\$/) {
619 n = -v ? \"\" : \"!\";
620 printf(\"%s%s=yes\\n\", n, c) >>file;
621 }
622 }
623 }"
624 }
625
626 print_enabled(){
627 suf=$1
628 shift
629 for v; do
630 enabled $v && printf "%s\n" ${v%$suf};
631 done
632 }
633
634 append(){
635 var=$1
636 shift
637 eval "$var=\"\$$var $*\""
638 }
639
640 prepend(){
641 var=$1
642 shift
643 eval "$var=\"$* \$$var\""
644 }
645
646 add_cppflags(){
647 append CPPFLAGS "$@"
648 }
649
650 add_cflags(){
651 append CFLAGS $($cflags_filter "$@")
652 }
653
654 add_asflags(){
655 append ASFLAGS $($asflags_filter "$@")
656 }
657
658 add_ldflags(){
659 append LDFLAGS $($ldflags_filter "$@")
660 }
661
662 add_extralibs(){
663 prepend extralibs $($ldflags_filter "$@")
664 }
665
666 add_host_cppflags(){
667 append host_cppflags "$@"
668 }
669
670 add_host_cflags(){
671 append host_cflags $($host_cflags_filter "$@")
672 }
673
674 add_host_ldflags(){
675 append host_ldflags $($host_ldflags_filter "$@")
676 }
677
678 add_compat(){
679 append compat_objs $1
680 shift
681 map 'add_cppflags -D$v' "$@"
682 }
683
684 check_cmd(){
685 log "$@"
686 "$@" >> $logfile 2>&1
687 }
688
689 cc_o(){
690 eval printf '%s\\n' $CC_O
691 }
692
693 cc_e(){
694 eval printf '%s\\n' $CC_E
695 }
696
697 check_cc(){
698 log check_cc "$@"
699 cat > $TMPC
700 log_file $TMPC
701 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
702 }
703
704 check_cpp(){
705 log check_cpp "$@"
706 cat > $TMPC
707 log_file $TMPC
708 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
709 }
710
711 as_o(){
712 eval printf '%s\\n' $AS_O
713 }
714
715 check_as(){
716 log check_as "$@"
717 cat > $TMPS
718 log_file $TMPS
719 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
720 }
721
722 check_inline_asm(){
723 log check_inline_asm "$@"
724 name="$1"
725 code="$2"
726 shift 2
727 disable $name
728 check_cc "$@" <<EOF && enable $name
729 void foo(void){ __asm__ volatile($code); }
730 EOF
731 }
732
733 check_insn(){
734 log check_insn "$@"
735 check_inline_asm ${1}_inline "\"$2\""
736 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
737 }
738
739 check_yasm(){
740 log check_yasm "$@"
741 echo "$1" > $TMPS
742 log_file $TMPS
743 shift 1
744 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
745 }
746
747 ld_o(){
748 eval printf '%s\\n' $LD_O
749 }
750
751 check_ld(){
752 log check_ld "$@"
753 flags=$(filter_out '-l*' "$@")
754 libs=$(filter '-l*' "$@")
755 check_cc $($cflags_filter $flags) || return
756 flags=$($ldflags_filter $flags)
757 libs=$($ldflags_filter $libs)
758 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
759 }
760
761 check_code(){
762 log check_code "$@"
763 check=$1
764 headers=$2
765 code=$3
766 shift 3
767 {
768 for hdr in $headers; do
769 echo "#include <$hdr>"
770 done
771 echo "int main(void) { $code; return 0; }"
772 } | check_$check "$@"
773 }
774
775 check_cppflags(){
776 log check_cppflags "$@"
777 check_cc "$@" <<EOF && append CPPFLAGS "$@"
778 int x;
779 EOF
780 }
781
782 check_cflags(){
783 log check_cflags "$@"
784 set -- $($cflags_filter "$@")
785 check_cc "$@" <<EOF && append CFLAGS "$@"
786 int x;
787 EOF
788 }
789
790 test_ldflags(){
791 log test_ldflags "$@"
792 check_ld "$@" <<EOF
793 int main(void){ return 0; }
794 EOF
795 }
796
797 check_ldflags(){
798 log check_ldflags "$@"
799 test_ldflags "$@" && add_ldflags "$@"
800 }
801
802 check_header(){
803 log check_header "$@"
804 header=$1
805 shift
806 disable_safe $header
807 check_cpp "$@" <<EOF && enable_safe $header
808 #include <$header>
809 int x;
810 EOF
811 }
812
813 check_func(){
814 log check_func "$@"
815 func=$1
816 shift
817 disable $func
818 check_ld "$@" <<EOF && enable $func
819 extern int $func();
820 int main(void){ $func(); }
821 EOF
822 }
823
824 check_mathfunc(){
825 log check_mathfunc "$@"
826 func=$1
827 narg=$2
828 shift 2
829 test $narg = 2 && args="f, g" || args="f"
830 disable $func
831 check_ld "$@" <<EOF && enable $func
832 #include <math.h>
833 float foo(float f, float g) { return $func($args); }
834 int main(void){ return 0; }
835 EOF
836 }
837
838 check_func_headers(){
839 log check_func_headers "$@"
840 headers=$1
841 funcs=$2
842 shift 2
843 {
844 for hdr in $headers; do
845 echo "#include <$hdr>"
846 done
847 for func in $funcs; do
848 echo "long check_$func(void) { return (long) $func; }"
849 done
850 echo "int main(void) { return 0; }"
851 } | check_ld "$@" && enable $funcs && enable_safe $headers
852 }
853
854 check_cpp_condition(){
855 log check_cpp_condition "$@"
856 header=$1
857 condition=$2
858 shift 2
859 check_cpp "$@" <<EOF
860 #include <$header>
861 #if !($condition)
862 #error "unsatisfied condition: $condition"
863 #endif
864 EOF
865 }
866
867 check_lib(){
868 log check_lib "$@"
869 header="$1"
870 func="$2"
871 shift 2
872 check_header $header && check_func $func "$@" && add_extralibs "$@"
873 }
874
875 check_lib2(){
876 log check_lib2 "$@"
877 headers="$1"
878 funcs="$2"
879 shift 2
880 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
881 }
882
883 check_pkg_config(){
884 log check_pkg_config "$@"
885 pkg="$1"
886 headers="$2"
887 funcs="$3"
888 shift 3
889 check_cmd $pkg_config --exists --print-errors $pkg || return
890 pkg_cflags=$($pkg_config --cflags $pkg)
891 pkg_libs=$($pkg_config --libs $pkg)
892 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
893 set_safe ${pkg}_cflags $pkg_cflags &&
894 set_safe ${pkg}_libs $pkg_libs
895 }
896
897 check_exec(){
898 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
899 }
900
901 check_exec_crash(){
902 code=$(cat)
903
904 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
905 # are safe but may not be available everywhere. Thus we use
906 # raise(SIGTERM) instead. The check is run in a subshell so we
907 # can redirect the "Terminated" message from the shell. SIGBUS
908 # is not defined by standard C so it is used conditionally.
909
910 (check_exec "$@") >> $logfile 2>&1 <<EOF
911 #include <signal.h>
912 static void sighandler(int sig){
913 raise(SIGTERM);
914 }
915 int foo(void){
916 $code
917 }
918 int (*func_ptr)(void) = foo;
919 int main(void){
920 signal(SIGILL, sighandler);
921 signal(SIGFPE, sighandler);
922 signal(SIGSEGV, sighandler);
923 #ifdef SIGBUS
924 signal(SIGBUS, sighandler);
925 #endif
926 return func_ptr();
927 }
928 EOF
929 }
930
931 check_type(){
932 log check_type "$@"
933 headers=$1
934 type=$2
935 shift 2
936 disable_safe "$type"
937 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
938 }
939
940 check_struct(){
941 log check_struct "$@"
942 headers=$1
943 struct=$2
944 member=$3
945 shift 3
946 disable_safe "${struct}_${member}"
947 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
948 enable_safe "${struct}_${member}"
949 }
950
951 check_builtin(){
952 log check_builtin "$@"
953 name=$1
954 headers=$2
955 builtin=$3
956 shift 3
957 disable "$name"
958 check_code ld "$headers" "$builtin" "$@" && enable "$name"
959 }
960
961 require(){
962 name="$1"
963 header="$2"
964 func="$3"
965 shift 3
966 check_lib $header $func "$@" || die "ERROR: $name not found"
967 }
968
969 require2(){
970 name="$1"
971 headers="$2"
972 func="$3"
973 shift 3
974 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
975 }
976
977 require_pkg_config(){
978 pkg="$1"
979 check_pkg_config "$@" || die "ERROR: $pkg not found"
980 add_cflags $(get_safe ${pkg}_cflags)
981 add_extralibs $(get_safe ${pkg}_libs)
982 }
983
984 hostcc_o(){
985 eval printf '%s\\n' $HOSTCC_O
986 }
987
988 check_host_cc(){
989 log check_host_cc "$@"
990 cat > $TMPC
991 log_file $TMPC
992 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
993 }
994
995 check_host_cppflags(){
996 log check_host_cppflags "$@"
997 check_host_cc "$@" <<EOF && append host_cppflags "$@"
998 int x;
999 EOF
1000 }
1001
1002 check_host_cflags(){
1003 log check_host_cflags "$@"
1004 set -- $($host_cflags_filter "$@")
1005 check_host_cc "$@" <<EOF && append host_cflags "$@"
1006 int x;
1007 EOF
1008 }
1009
1010 apply(){
1011 file=$1
1012 shift
1013 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1014 }
1015
1016 cp_if_changed(){
1017 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1018 mkdir -p "$(dirname $2)"
1019 $cp_f "$1" "$2"
1020 }
1021
1022 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1023 # system-dependent things.
1024
1025 COMPONENT_LIST="
1026 bsfs
1027 decoders
1028 demuxers
1029 encoders
1030 filters
1031 hwaccels
1032 indevs
1033 muxers
1034 outdevs
1035 parsers
1036 protocols
1037 "
1038
1039 EXTERNAL_LIBRARY_LIST="
1040 avisynth
1041 bzlib
1042 frei0r
1043 gnutls
1044 libcdio
1045 libdc1394
1046 libfaac
1047 libfdk_aac
1048 libfreetype
1049 libgsm
1050 libilbc
1051 libmp3lame
1052 libopencore_amrnb
1053 libopencore_amrwb
1054 libopencv
1055 libopenjpeg
1056 libopus
1057 libpulse
1058 librtmp
1059 libschroedinger
1060 libspeex
1061 libtheora
1062 libvo_aacenc
1063 libvo_amrwbenc
1064 libvorbis
1065 libvpx
1066 libwavpack
1067 libx264
1068 libxavs
1069 libxvid
1070 openssl
1071 x11grab
1072 zlib
1073 "
1074
1075 HWACCEL_LIST="
1076 dxva2
1077 vaapi
1078 vda
1079 vdpau
1080 "
1081 LIBRARY_LIST="
1082 avcodec
1083 avdevice
1084 avfilter
1085 avformat
1086 avresample
1087 avutil
1088 swscale
1089 "
1090
1091 PROGRAM_LIST="
1092 avconv
1093 avplay
1094 avprobe
1095 avserver
1096 "
1097
1098 CONFIG_LIST="
1099 $COMPONENT_LIST
1100 $EXTERNAL_LIBRARY_LIST
1101 $HWACCEL_LIST
1102 $LIBRARY_LIST
1103 $PROGRAM_LIST
1104 dct
1105 doc
1106 error_resilience
1107 fft
1108 gpl
1109 gray
1110 hardcoded_tables
1111 lsp
1112 lzo
1113 mdct
1114 memalign_hack
1115 network
1116 nonfree
1117 pic
1118 rdft
1119 runtime_cpudetect
1120 safe_bitstream_reader
1121 shared
1122 small
1123 sram
1124 static
1125 swscale_alpha
1126 thumb
1127 version3
1128 xmm_clobber_test
1129 "
1130
1131 THREADS_LIST='
1132 pthreads
1133 w32threads
1134 '
1135
1136 ATOMICS_LIST='
1137 atomics_gcc
1138 atomics_suncc
1139 atomics_win32
1140 '
1141
1142 ARCH_LIST='
1143 aarch64
1144 alpha
1145 arm
1146 avr32
1147 avr32_ap
1148 avr32_uc
1149 bfin
1150 ia64
1151 m68k
1152 mips
1153 mips64
1154 parisc
1155 ppc
1156 ppc64
1157 s390
1158 sh4
1159 sparc
1160 sparc64
1161 tilegx
1162 tilepro
1163 tomi
1164 x86
1165 x86_32
1166 x86_64
1167 '
1168
1169 ARCH_EXT_LIST_ARM='
1170 armv5te
1171 armv6
1172 armv6t2
1173 neon
1174 vfp
1175 vfpv3
1176 '
1177
1178 ARCH_EXT_LIST_X86='
1179 amd3dnow
1180 amd3dnowext
1181 avx
1182 avx2
1183 fma4
1184 i686
1185 mmx
1186 mmxext
1187 sse
1188 sse2
1189 sse3
1190 sse4
1191 sse42
1192 ssse3
1193 '
1194
1195 ARCH_EXT_LIST="
1196 $ARCH_EXT_LIST_ARM
1197 $ARCH_EXT_LIST_X86
1198 altivec
1199 ppc4xx
1200 vis
1201 "
1202
1203 HAVE_LIST_CMDLINE='
1204 inline_asm
1205 symver
1206 yasm
1207 '
1208
1209 HAVE_LIST_PUB='
1210 bigendian
1211 fast_unaligned
1212 '
1213
1214 MATH_FUNCS="
1215 atanf
1216 atan2f
1217 cbrtf
1218 cosf
1219 exp2
1220 exp2f
1221 expf
1222 isinf
1223 isnan
1224 ldexpf
1225 llrint
1226 llrintf
1227 log2
1228 log2f
1229 log10f
1230 lrint
1231 lrintf
1232 powf
1233 rint
1234 round
1235 roundf
1236 sinf
1237 trunc
1238 truncf
1239 "
1240
1241 HAVE_LIST="
1242 $ARCH_EXT_LIST
1243 $(add_suffix _external $ARCH_EXT_LIST)
1244 $(add_suffix _inline $ARCH_EXT_LIST)
1245 $HAVE_LIST_CMDLINE
1246 $HAVE_LIST_PUB
1247 $THREADS_LIST
1248 $ATOMICS_LIST
1249 $MATH_FUNCS
1250 aligned_malloc
1251 aligned_stack
1252 alsa_asoundlib_h
1253 altivec_h
1254 arpa_inet_h
1255 asm_mod_q
1256 asm_mod_y
1257 atomic_cas_ptr
1258 atomics_native
1259 attribute_may_alias
1260 attribute_packed
1261 cdio_paranoia_h
1262 cdio_paranoia_paranoia_h
1263 closesocket
1264 CommandLineToArgvW
1265 cpunop
1266 CryptGenRandom
1267 dcbzl
1268 dev_bktr_ioctl_bt848_h
1269 dev_bktr_ioctl_meteor_h
1270 dev_ic_bt8xx_h
1271 dev_video_bktr_ioctl_bt848_h
1272 dev_video_meteor_ioctl_meteor_h
1273 direct_h
1274 dlfcn_h
1275 dlopen
1276 dos_paths
1277 dxva_h
1278 ebp_available
1279 ebx_available
1280 fast_64bit
1281 fast_clz
1282 fast_cmov
1283 fcntl
1284 fork
1285 getaddrinfo
1286 gethrtime
1287 getopt
1288 GetProcessAffinityMask
1289 GetProcessMemoryInfo
1290 GetProcessTimes
1291 GetSystemTimeAsFileTime
1292 getrusage
1293 getservbyport
1294 gettimeofday
1295 gnu_as
1296 gsm_h
1297 ibm_asm
1298 inet_aton
1299 io_h
1300 inline_asm_labels
1301 isatty
1302 jack_port_get_latency_range
1303 ldbrx
1304 libdc1394_1
1305 libdc1394_2
1306 local_aligned_16
1307 local_aligned_8
1308 localtime_r
1309 loongson
1310 machine_ioctl_bt848_h
1311 machine_ioctl_meteor_h
1312 machine_rw_barrier
1313 malloc_h
1314 MapViewOfFile
1315 memalign
1316 MemoryBarrier
1317 mkstemp
1318 mm_empty
1319 mmap
1320 mprotect
1321 msvcrt
1322 nanosleep
1323 poll_h
1324 posix_memalign
1325 pragma_deprecated
1326 rdtsc
1327 sched_getaffinity
1328 sdl
1329 SetConsoleTextAttribute
1330 setmode
1331 setrlimit
1332 Sleep
1333 sndio_h
1334 socklen_t
1335 soundcard_h
1336 strerror_r
1337 strptime
1338 strtok_r
1339 struct_addrinfo
1340 struct_group_source_req
1341 struct_ip_mreq_source
1342 struct_ipv6_mreq
1343 struct_pollfd
1344 struct_rusage_ru_maxrss
1345 struct_sockaddr_in6
1346 struct_sockaddr_sa_len
1347 struct_sockaddr_storage
1348 struct_v4l2_frmivalenum_discrete
1349 symver_asm_label
1350 symver_gnu_asm
1351 sync_val_compare_and_swap
1352 sysconf
1353 sysctl
1354 sys_mman_h
1355 sys_param_h
1356 sys_resource_h
1357 sys_select_h
1358 sys_soundcard_h
1359 sys_time_h
1360 sys_un_h
1361 sys_videoio_h
1362 threads
1363 unistd_h
1364 usleep
1365 vfp_args
1366 VirtualAlloc
1367 windows_h
1368 winsock2_h
1369 xform_asm
1370 xmm_clobbers
1371 "
1372
1373 # options emitted with CONFIG_ prefix but not available on the command line
1374 CONFIG_EXTRA="
1375 aandcttables
1376 ac3dsp
1377 audio_frame_queue
1378 dsputil
1379 gcrypt
1380 golomb
1381 gplv3
1382 h264chroma
1383 h264dsp
1384 h264pred
1385 h264qpel
1386 hpeldsp
1387 huffman
1388 lgplv3
1389 lpc
1390 mpegaudio
1391 mpegaudiodsp
1392 mpegvideo
1393 mpegvideoenc
1394 nettle
1395 rangecoder
1396 riffdec
1397 riffenc
1398 rtpdec
1399 rtpenc_chain
1400 sinewin
1401 videodsp
1402 vp3dsp
1403 "
1404
1405 CMDLINE_SELECT="
1406 $ARCH_EXT_LIST
1407 $CONFIG_LIST
1408 $HAVE_LIST_CMDLINE
1409 $THREADS_LIST
1410 asm
1411 cross_compile
1412 debug
1413 extra_warnings
1414 logging
1415 lto
1416 optimizations
1417 "
1418
1419 PATHS_LIST='
1420 bindir
1421 datadir
1422 docdir
1423 incdir
1424 libdir
1425 mandir
1426 prefix
1427 shlibdir
1428 '
1429
1430 CMDLINE_SET="
1431 $PATHS_LIST
1432 ar
1433 arch
1434 as
1435 build_suffix
1436 cc
1437 cpu
1438 cross_prefix
1439 dep_cc
1440 extra_version
1441 host_cc
1442 host_cflags
1443 host_ld
1444 host_ldflags
1445 host_libs
1446 host_os
1447 ld
1448 logfile
1449 malloc_prefix
1450 nm
1451 optflags
1452 pkg_config
1453 random_seed
1454 samples
1455 sysinclude
1456 sysroot
1457 target_exec
1458 target_os
1459 target_path
1460 target_samples
1461 toolchain
1462 "
1463
1464 CMDLINE_APPEND="
1465 extra_cflags
1466 host_cppflags
1467 "
1468
1469 # code dependency declarations
1470
1471 # architecture extensions
1472
1473 armv5te_deps="arm"
1474 armv6_deps="arm"
1475 armv6t2_deps="arm"
1476 neon_deps="arm"
1477 vfp_deps="arm"
1478 vfpv3_deps="vfp"
1479
1480 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1481
1482 altivec_deps="ppc"
1483 ppc4xx_deps="ppc"
1484
1485 vis_deps="sparc"
1486
1487 cpunop_deps="i686"
1488 x86_64_select="i686"
1489 x86_64_suggest="fast_cmov"
1490
1491 amd3dnow_deps="mmx"
1492 amd3dnowext_deps="amd3dnow"
1493 mmx_deps="x86"
1494 mmxext_deps="mmx"
1495 sse_deps="mmxext"
1496 sse2_deps="sse"
1497 sse3_deps="sse2"
1498 ssse3_deps="sse3"
1499 sse4_deps="ssse3"
1500 sse42_deps="sse4"
1501 avx_deps="sse42"
1502 fma4_deps="avx"
1503 avx2_deps="avx"
1504
1505 mmx_external_deps="yasm"
1506 mmx_inline_deps="inline_asm"
1507 mmx_suggest="mmx_external mmx_inline"
1508
1509 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1510 eval dep=\$${ext}_deps
1511 eval ${ext}_external_deps='"${dep}_external"'
1512 eval ${ext}_inline_deps='"${dep}_inline"'
1513 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1514 done
1515
1516 aligned_stack_if_any="ppc x86"
1517 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1518 fast_clz_if_any="alpha avr32 mips ppc x86"
1519 fast_unaligned_if_any="ppc x86"
1520
1521 inline_asm_deps="!tms470"
1522 need_memalign="altivec neon sse"
1523
1524 symver_if_any="symver_asm_label symver_gnu_asm"
1525
1526 log2_deps="!msvcrt"
1527
1528 # subsystems
1529 dct_select="rdft"
1530 error_resilience_select="dsputil"
1531 lpc_select="dsputil"
1532 mdct_select="fft"
1533 rdft_select="fft"
1534 mpegaudio_select="mpegaudiodsp"
1535 mpegaudiodsp_select="dct"
1536 mpegvideo_select="dsputil hpeldsp videodsp"
1537 mpegvideoenc_select="mpegvideo"
1538
1539 # decoders / encoders
1540 aac_decoder_select="mdct sinewin"
1541 aac_encoder_select="audio_frame_queue mdct sinewin"
1542 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1543 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1544 ac3_encoder_select="mdct ac3dsp dsputil"
1545 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1546 aic_decoder_select="dsputil golomb"
1547 alac_encoder_select="lpc"
1548 als_decoder_select="dsputil"
1549 amrnb_decoder_select="lsp"
1550 amrwb_decoder_select="lsp"
1551 amv_decoder_select="dsputil hpeldsp"
1552 ape_decoder_select="dsputil"
1553 asv1_decoder_select="dsputil"
1554 asv1_encoder_select="dsputil"
1555 asv2_decoder_select="dsputil"
1556 asv2_encoder_select="dsputil"
1557 atrac1_decoder_select="mdct sinewin"
1558 atrac3_decoder_select="mdct"
1559 bink_decoder_select="dsputil hpeldsp"
1560 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1561 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1562 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1563 cllc_decoder_select="dsputil"
1564 comfortnoise_encoder_select="lpc"
1565 cook_decoder_select="dsputil mdct sinewin"
1566 cscd_decoder_select="lzo"
1567 cscd_decoder_suggest="zlib"
1568 dca_decoder_select="mdct"
1569 dnxhd_decoder_select="dsputil"
1570 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1571 dvvideo_decoder_select="dsputil"
1572 dvvideo_encoder_select="dsputil"
1573 dxa_decoder_deps="zlib"
1574 eac3_decoder_select="ac3_decoder"
1575 eac3_encoder_select="ac3_encoder"
1576 eamad_decoder_select="aandcttables dsputil mpegvideo"
1577 eatgq_decoder_select="aandcttables dsputil"
1578 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1579 ffv1_decoder_select="dsputil golomb rangecoder"
1580 ffv1_encoder_select="dsputil rangecoder"
1581 ffvhuff_decoder_select="dsputil"
1582 ffvhuff_encoder_select="dsputil huffman"
1583 flac_decoder_select="golomb"
1584 flac_encoder_select="dsputil golomb lpc"
1585 flashsv_decoder_deps="zlib"
1586 flashsv_encoder_deps="zlib"
1587 flashsv2_decoder_deps="zlib"
1588 flv_decoder_select="h263_decoder"
1589 flv_encoder_select="h263_encoder"
1590 fourxm_decoder_select="dsputil"
1591 fraps_decoder_select="dsputil huffman"
1592 g2m_decoder_deps="zlib"
1593 g2m_decoder_select="dsputil"
1594 h261_decoder_select="error_resilience mpegvideo"
1595 h261_encoder_select="aandcttables mpegvideoenc"
1596 h263_decoder_select="error_resilience h263_parser mpegvideo"
1597 h263_encoder_select="aandcttables mpegvideoenc"
1598 h263i_decoder_select="h263_decoder"
1599 h263p_encoder_select="h263_encoder"
1600 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1601 h264_decoder_suggest="error_resilience"
1602 hevc_decoder_select="dsputil golomb videodsp"
1603 huffyuv_decoder_select="dsputil"
1604 huffyuv_encoder_select="dsputil huffman"
1605 iac_decoder_select="dsputil fft mdct sinewin"
1606 imc_decoder_select="dsputil fft mdct sinewin"
1607 indeo3_decoder_select="hpeldsp"
1608 interplay_video_decoder_select="hpeldsp"
1609 jpegls_decoder_select="dsputil golomb hpeldsp"
1610 jpegls_encoder_select="golomb"
1611 jv_decoder_select="dsputil"
1612 lagarith_decoder_select="dsputil"
1613 ljpeg_encoder_select="aandcttables mpegvideoenc"
1614 loco_decoder_select="golomb"
1615 mdec_decoder_select="dsputil error_resilience mpegvideo"
1616 metasound_decoder_select="lsp mdct sinewin"
1617 mimic_decoder_select="dsputil hpeldsp"
1618 mjpeg_decoder_select="dsputil hpeldsp"
1619 mjpegb_decoder_select="dsputil hpeldsp"
1620 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1621 mlp_decoder_select="dsputil mlp_parser"
1622 motionpixels_decoder_select="dsputil"
1623 mp1_decoder_select="mpegaudio"
1624 mp1float_decoder_select="mpegaudio"
1625 mp2_decoder_select="mpegaudio"
1626 mp2float_decoder_select="mpegaudio"
1627 mp3_decoder_select="mpegaudio"
1628 mp3adu_decoder_select="mpegaudio"
1629 mp3adufloat_decoder_select="mpegaudio"
1630 mp3float_decoder_select="mpegaudio"
1631 mp3on4_decoder_select="mpegaudio"
1632 mp3on4float_decoder_select="mpegaudio"
1633 mpc7_decoder_select="dsputil mpegaudiodsp"
1634 mpc8_decoder_select="dsputil mpegaudiodsp"
1635 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1636 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1637 mpeg1video_decoder_select="error_resilience mpegvideo"
1638 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1639 mpeg2video_decoder_select="error_resilience mpegvideo"
1640 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1641 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1642 mpeg4_encoder_select="h263_encoder"
1643 msmpeg4v1_decoder_select="h263_decoder"
1644 msmpeg4v2_decoder_select="h263_decoder"
1645 msmpeg4v2_encoder_select="h263_encoder"
1646 msmpeg4v3_decoder_select="h263_decoder"
1647 msmpeg4v3_encoder_select="h263_encoder"
1648 mss2_decoder_select="error_resilience vc1_decoder"
1649 mxpeg_decoder_select="dsputil hpeldsp"
1650 nellymoser_decoder_select="mdct sinewin"
1651 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1652 nuv_decoder_select="dsputil lzo"
1653 png_decoder_deps="zlib"
1654 png_decoder_select="dsputil"
1655 png_encoder_deps="zlib"
1656 png_encoder_select="dsputil"
1657 prores_decoder_select="dsputil"
1658 prores_encoder_select="dsputil"
1659 qcelp_decoder_select="lsp"
1660 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1661 ra_144_encoder_select="audio_frame_queue lpc"
1662 ralf_decoder_select="golomb"
1663 rv10_decoder_select="error_resilience h263_decoder"
1664 rv10_encoder_select="h263_encoder"
1665 rv20_decoder_select="error_resilience h263_decoder"
1666 rv20_encoder_select="h263_encoder"
1667 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1668 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1669 shorten_decoder_select="golomb"
1670 sipr_decoder_select="lsp"
1671 sp5x_decoder_select="dsputil hpeldsp"
1672 svq1_decoder_select="hpeldsp"
1673 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1674 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1675 svq3_decoder_suggest="error_resilience zlib"
1676 tak_decoder_select="dsputil"
1677 theora_decoder_select="vp3_decoder"
1678 tiff_decoder_suggest="zlib"
1679 tiff_encoder_suggest="zlib"
1680 thp_decoder_select="dsputil hpeldsp"
1681 truehd_decoder_select="mlp_decoder"
1682 truemotion2_decoder_select="dsputil"
1683 truespeech_decoder_select="dsputil"
1684 tscc_decoder_deps="zlib"
1685 twinvq_decoder_select="mdct lsp sinewin"
1686 utvideo_decoder_select="dsputil"
1687 utvideo_encoder_select="dsputil huffman"
1688 vble_decoder_select="dsputil"
1689 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1690 vc1image_decoder_select="vc1_decoder"
1691 vorbis_decoder_select="mdct"
1692 vorbis_encoder_select="mdct"
1693 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1694 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1695 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1696 vp6a_decoder_select="vp6_decoder"
1697 vp6f_decoder_select="vp6_decoder"
1698 vp8_decoder_select="h264pred videodsp"
1699 webp_decoder_select="vp8_decoder"
1700 wmapro_decoder_select="mdct sinewin"
1701 wmav1_decoder_select="mdct sinewin"
1702 wmav1_encoder_select="mdct sinewin"
1703 wmav2_decoder_select="mdct sinewin"
1704 wmav2_encoder_select="mdct sinewin"
1705 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1706 wmv1_decoder_select="h263_decoder"
1707 wmv1_encoder_select="h263_encoder"
1708 wmv2_decoder_select="h263_decoder videodsp"
1709 wmv2_encoder_select="h263_encoder"
1710 wmv3_decoder_select="vc1_decoder"
1711 wmv3image_decoder_select="wmv3_decoder"
1712 zerocodec_decoder_deps="zlib"
1713 zlib_decoder_deps="zlib"
1714 zlib_encoder_deps="zlib"
1715 zmbv_decoder_deps="zlib"
1716 zmbv_encoder_deps="zlib"
1717
1718 # hardware accelerators
1719 dxva2_deps="dxva2api_h"
1720 vaapi_deps="va_va_h"
1721 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1722 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1723 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1724
1725 h263_vaapi_hwaccel_deps="vaapi"
1726 h263_vaapi_hwaccel_select="h263_decoder"
1727 h263_vdpau_hwaccel_deps="vdpau"
1728 h263_vdpau_hwaccel_select="h263_decoder"
1729 h264_dxva2_hwaccel_deps="dxva2"
1730 h264_dxva2_hwaccel_select="h264_decoder"
1731 h264_vaapi_hwaccel_deps="vaapi"
1732 h264_vaapi_hwaccel_select="h264_decoder"
1733 h264_vda_hwaccel_deps="vda"
1734 h264_vda_hwaccel_select="h264_decoder"
1735 h264_vdpau_hwaccel_deps="vdpau"
1736 h264_vdpau_hwaccel_select="h264_decoder"
1737 mpeg1_vdpau_hwaccel_deps="vdpau"
1738 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
1739 mpeg2_dxva2_hwaccel_deps="dxva2"
1740 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
1741 mpeg2_vaapi_hwaccel_deps="vaapi"
1742 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1743 mpeg2_vdpau_hwaccel_deps="vdpau"
1744 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1745 mpeg4_vaapi_hwaccel_deps="vaapi"
1746 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1747 mpeg4_vdpau_hwaccel_deps="vdpau"
1748 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
1749 vc1_dxva2_hwaccel_deps="dxva2"
1750 vc1_dxva2_hwaccel_select="vc1_decoder"
1751 vc1_vaapi_hwaccel_deps="vaapi"
1752 vc1_vaapi_hwaccel_select="vc1_decoder"
1753 vc1_vdpau_hwaccel_deps="vdpau"
1754 vc1_vdpau_hwaccel_select="vc1_decoder"
1755 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1756 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1757 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
1758
1759 # parsers
1760 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1761 mpeg4video_parser_select="error_resilience mpegvideo"
1762 mpegvideo_parser_select="error_resilience mpegvideo"
1763 vc1_parser_select="mpegvideo"
1764
1765 # external libraries
1766 libfaac_encoder_deps="libfaac"
1767 libfaac_encoder_select="audio_frame_queue"
1768 libfdk_aac_decoder_deps="libfdk_aac"
1769 libfdk_aac_encoder_deps="libfdk_aac"
1770 libfdk_aac_encoder_select="audio_frame_queue"
1771 libgsm_decoder_deps="libgsm"
1772 libgsm_encoder_deps="libgsm"
1773 libgsm_ms_decoder_deps="libgsm"
1774 libgsm_ms_encoder_deps="libgsm"
1775 libilbc_decoder_deps="libilbc"
1776 libilbc_encoder_deps="libilbc"
1777 libmp3lame_encoder_deps="libmp3lame"
1778 libmp3lame_encoder_select="audio_frame_queue"
1779 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1780 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1781 libopencore_amrnb_encoder_select="audio_frame_queue"
1782 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1783 libopenjpeg_decoder_deps="libopenjpeg"
1784 libopenjpeg_encoder_deps="libopenjpeg"
1785 libopus_decoder_deps="libopus"
1786 libopus_encoder_deps="libopus"
1787 libopus_encoder_select="audio_frame_queue"
1788 libschroedinger_decoder_deps="libschroedinger"
1789 libschroedinger_encoder_deps="libschroedinger"
1790 libspeex_decoder_deps="libspeex"
1791 libspeex_encoder_deps="libspeex"
1792 libspeex_encoder_select="audio_frame_queue"
1793 libtheora_encoder_deps="libtheora"
1794 libvo_aacenc_encoder_deps="libvo_aacenc"
1795 libvo_aacenc_encoder_select="audio_frame_queue"
1796 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1797 libvorbis_encoder_deps="libvorbis"
1798 libvorbis_encoder_select="audio_frame_queue"
1799 libvpx_vp8_decoder_deps="libvpx"
1800 libvpx_vp8_encoder_deps="libvpx"
1801 libvpx_vp9_decoder_deps="libvpx"
1802 libvpx_vp9_encoder_deps="libvpx"
1803 libwavpack_encoder_deps="libwavpack"
1804 libx264_encoder_deps="libx264"
1805 libxavs_encoder_deps="libxavs"
1806 libxvid_encoder_deps="libxvid"
1807
1808 # demuxers / muxers
1809 ac3_demuxer_select="ac3_parser"
1810 asf_demuxer_select="riffdec"
1811 asf_muxer_select="riffenc"
1812 asf_stream_muxer_select="asf_muxer"
1813 avi_demuxer_select="riffdec"
1814 avi_muxer_select="riffenc"
1815 avisynth_demuxer_deps="avisynth"
1816 avisynth_demuxer_select="riffdec"
1817 caf_demuxer_select="riffdec"
1818 dirac_demuxer_select="dirac_parser"
1819 dxa_demuxer_select="riffdec"
1820 eac3_demuxer_select="ac3_parser"
1821 f4v_muxer_select="mov_muxer"
1822 flac_demuxer_select="flac_parser"
1823 hls_muxer_select="mpegts_muxer"
1824 ipod_muxer_select="mov_muxer"
1825 ismv_muxer_select="mov_muxer"
1826 matroska_audio_muxer_select="matroska_muxer"
1827 matroska_demuxer_select="riffdec"
1828 matroska_demuxer_suggest="bzlib lzo zlib"
1829 matroska_muxer_select="riffenc"
1830 mmf_muxer_select="riffenc"
1831 mov_demuxer_select="riffdec"
1832 mov_demuxer_suggest="zlib"
1833 mov_muxer_select="riffenc rtpenc_chain"
1834 mp3_demuxer_select="mpegaudio_parser"
1835 mp4_muxer_select="mov_muxer"
1836 mpegts_muxer_select="adts_muxer latm_muxer"
1837 mpegtsraw_demuxer_select="mpegts_demuxer"
1838 mxf_d10_muxer_select="mxf_muxer"
1839 nut_muxer_select="riffenc"
1840 nuv_demuxer_select="riffdec"
1841 ogg_demuxer_select="golomb"
1842 psp_muxer_select="mov_muxer"
1843 rtp_demuxer_select="sdp_demuxer"
1844 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1845 rtsp_demuxer_select="http_protocol rtpdec"
1846 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
1847 sap_demuxer_select="sdp_demuxer"
1848 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
1849 sdp_demuxer_select="rtpdec"
1850 smoothstreaming_muxer_select="ismv_muxer"
1851 spdif_muxer_select="aac_parser"
1852 tak_demuxer_select="tak_parser"
1853 tg2_muxer_select="mov_muxer"
1854 tgp_muxer_select="mov_muxer"
1855 w64_demuxer_select="wav_demuxer"
1856 wav_demuxer_select="riffdec"
1857 wav_muxer_select="riffenc"
1858 webm_muxer_select="riffenc"
1859 wtv_demuxer_select="riffdec"
1860 xmv_demuxer_select="riffdec"
1861 xwma_demuxer_select="riffdec"
1862
1863 # indevs / outdevs
1864 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1865 alsa_outdev_deps="alsa_asoundlib_h"
1866 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1867 dv1394_indev_deps="dv1394"
1868 dv1394_indev_select="dv_demuxer"
1869 fbdev_indev_deps="linux_fb_h"
1870 jack_indev_deps="jack_jack_h pthreads"
1871 libcdio_indev_deps="libcdio"
1872 libdc1394_indev_deps="libdc1394"
1873 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1874 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1875 pulse_indev_deps="libpulse"
1876 sndio_indev_deps="sndio_h"
1877 sndio_outdev_deps="sndio_h"
1878 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1879 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1880 vfwcap_indev_extralibs="-lavicap32"
1881 x11grab_indev_deps="x11grab XShmCreateImage"
1882
1883 # protocols
1884 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1885 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1886 ffrtmpcrypt_protocol_select="tcp_protocol"
1887 ffrtmphttp_protocol_deps="!librtmp_protocol"
1888 ffrtmphttp_protocol_select="http_protocol"
1889 gopher_protocol_select="network"
1890 httpproxy_protocol_select="tcp_protocol"
1891 http_protocol_select="tcp_protocol"
1892 https_protocol_select="tls_protocol"
1893 librtmp_protocol_deps="librtmp"
1894 librtmpe_protocol_deps="librtmp"
1895 librtmps_protocol_deps="librtmp"
1896 librtmpt_protocol_deps="librtmp"
1897 librtmpte_protocol_deps="librtmp"
1898 mmsh_protocol_select="http_protocol"
1899 mmst_protocol_select="network"
1900 rtmp_protocol_deps="!librtmp_protocol"
1901 rtmp_protocol_select="tcp_protocol"
1902 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1903 rtmps_protocol_deps="!librtmp_protocol"
1904 rtmps_protocol_select="tls_protocol"
1905 rtmpt_protocol_select="ffrtmphttp_protocol"
1906 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1907 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1908 rtp_protocol_select="udp_protocol"
1909 sctp_protocol_deps="struct_sctp_event_subscribe"
1910 sctp_protocol_select="network"
1911 srtp_protocol_select="rtp_protocol"
1912 tcp_protocol_select="network"
1913 tls_protocol_deps_any="openssl gnutls"
1914 tls_protocol_select="tcp_protocol"
1915 udp_protocol_select="network"
1916 unix_protocol_deps="sys_un_h"
1917 unix_protocol_select="network"
1918
1919 # filters
1920 blackframe_filter_deps="gpl"
1921 boxblur_filter_deps="gpl"
1922 cropdetect_filter_deps="gpl"
1923 delogo_filter_deps="gpl"
1924 drawtext_filter_deps="libfreetype"
1925 frei0r_filter_deps="frei0r dlopen strtok_r"
1926 frei0r_filter_extralibs='$ldl'
1927 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1928 frei0r_src_filter_extralibs='$ldl'
1929 hqdn3d_filter_deps="gpl"
1930 interlace_filter_deps="gpl"
1931 resample_filter_deps="avresample"
1932 ocv_filter_deps="libopencv"
1933 scale_filter_deps="swscale"
1934 yadif_filter_deps="gpl"
1935
1936 # libraries
1937 avcodec_deps="avutil"
1938 avdevice_deps="avutil avcodec avformat"
1939 avfilter_deps="avutil"
1940 avformat_deps="avutil avcodec"
1941 avresample_deps="avutil"
1942 swscale_deps="avutil"
1943
1944 # programs
1945 avconv_deps="avcodec avfilter avformat avresample swscale"
1946 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
1947 fps_filter null_filter resample_filter scale_filter
1948 setpts_filter trim_filter"
1949 avplay_deps="avcodec avformat avresample swscale sdl"
1950 avplay_select="rdft"
1951 avprobe_deps="avcodec avformat"
1952 avserver_deps="avformat fork !shared"
1953 avserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
1954 avserver_extralibs='$ldl'
1955
1956 doc_deps="texi2html"
1957
1958 # default parameters
1959
1960 logfile="config.log"
1961
1962 # installation paths
1963 prefix_default="/usr/local"
1964 bindir_default='${prefix}/bin'
1965 datadir_default='${prefix}/share/avconv'
1966 docdir_default='${prefix}/share/doc/libav'
1967 incdir_default='${prefix}/include'
1968 libdir_default='${prefix}/lib'
1969 mandir_default='${prefix}/share/man'
1970 shlibdir_default="$libdir_default"
1971
1972 # toolchain
1973 ar_default="ar"
1974 cc_default="gcc"
1975 host_cc_default="gcc"
1976 cp_f="cp -f"
1977 ln_s="ln -s -f"
1978 nm_default="nm -g"
1979 objformat="elf"
1980 pkg_config_default=pkg-config
1981 ranlib="ranlib"
1982 strip="strip"
1983 yasmexe="yasm"
1984
1985 nogas=":"
1986
1987 # machine
1988 arch_default=$(uname -m)
1989 cpu="generic"
1990
1991 # OS
1992 target_os_default=$(tolower $(uname -s))
1993 host_os=$target_os_default
1994
1995 # configurable options
1996 enable $LIBRARY_LIST $PROGRAM_LIST
1997
1998 enable asm
1999 enable debug
2000 enable doc
2001 enable optimizations
2002 enable safe_bitstream_reader
2003 enable static
2004 enable swscale_alpha
2005
2006 # By default, enable only those hwaccels that have no external dependencies.
2007 enable dxva2 vdpau
2008
2009 # build settings
2010 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2011 LIBPREF="lib"
2012 LIBSUF=".a"
2013 FULLNAME='$(NAME)$(BUILDSUF)'
2014 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2015 SLIBPREF="lib"
2016 SLIBSUF=".so"
2017 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2018 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2019 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2020 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2021 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2022 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2023
2024 asflags_filter=echo
2025 cflags_filter=echo
2026 ldflags_filter=echo
2027
2028 AS_C='-c'
2029 AS_O='-o $@'
2030 CC_C='-c'
2031 CC_E='-E -o $@'
2032 CC_O='-o $@'
2033 LD_O='-o $@'
2034 LD_LIB='-l%'
2035 LD_PATH='-L'
2036 HOSTCC_C='-c'
2037 HOSTCC_O='-o $@'
2038 HOSTLD_O='-o $@'
2039
2040 host_cflags='-O3 -g'
2041 host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
2042 host_libs='-lm'
2043 host_cflags_filter=echo
2044 host_ldflags_filter=echo
2045
2046 target_path='$(CURDIR)'
2047
2048 # since the object filename is not given with the -MM flag, the compiler
2049 # is only able to print the basename, and we must add the path ourselves
2050 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2051 DEPFLAGS='-MM'
2052
2053 # find source path
2054 if test -f configure; then
2055 source_path=.
2056 else
2057 source_path=$(cd $(dirname "$0"); pwd)
2058 echo "$source_path" | grep -q '[[:blank:]]' &&
2059 die "Out of tree builds are impossible with whitespace in source path."
2060 test -e "$source_path/config.h" &&
2061 die "Out of tree builds are impossible with config.h in source dir."
2062 fi
2063
2064 for v in "$@"; do
2065 r=${v#*=}
2066 l=${v%"$r"}
2067 r=$(sh_quote "$r")
2068 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2069 done
2070
2071 find_things(){
2072 thing=$1
2073 pattern=$2
2074 file=$source_path/$3
2075 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2076 }
2077
2078 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2079 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2080 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2081 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2082 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2083 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2084 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2085 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2086 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2087 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2088 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2089
2090 ALL_COMPONENTS="
2091 $BSF_LIST
2092 $DECODER_LIST
2093 $DEMUXER_LIST
2094 $ENCODER_LIST
2095 $FILTER_LIST
2096 $HWACCEL_LIST
2097 $INDEV_LIST
2098 $MUXER_LIST
2099 $OUTDEV_LIST
2100 $PARSER_LIST
2101 $PROTOCOL_LIST
2102 "
2103
2104 for n in $COMPONENT_LIST; do
2105 v=$(toupper ${n%s})_LIST
2106 eval enable \$$v
2107 eval ${n}_if_any="\$$v"
2108 done
2109
2110 enable $ARCH_EXT_LIST
2111
2112 die_unknown(){
2113 echo "Unknown option \"$1\"."
2114 echo "See $0 --help for available options."
2115 exit 1
2116 }
2117
2118 print_3_columns() {
2119 cat | tr ' ' '\n' | sort | pr -r -3 -t
2120 }
2121
2122 show_list() {
2123 suffix=_$1
2124 shift
2125 echo $* | sed s/$suffix//g | print_3_columns
2126 exit 0
2127 }
2128
2129 rand_list(){
2130 IFS=', '
2131 set -- $*
2132 unset IFS
2133 for thing; do
2134 comp=${thing%:*}
2135 prob=${thing#$comp}
2136 prob=${prob#:}
2137 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2138 echo "prob ${prob:-0.5}"
2139 printf '%s\n' $comp
2140 done
2141 }
2142
2143 do_random(){
2144 action=$1
2145 shift
2146 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2147 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2148 }
2149
2150 for opt do
2151 optval="${opt#*=}"
2152 case "$opt" in
2153 --extra-ldflags=*)
2154 add_ldflags $optval
2155 ;;
2156 --extra-libs=*)
2157 add_extralibs $optval
2158 ;;
2159 --disable-devices)
2160 disable $INDEV_LIST $OUTDEV_LIST
2161 ;;
2162 --enable-debug=*)
2163 debuglevel="$optval"
2164 ;;
2165 --disable-programs)
2166 disable $PROGRAM_LIST
2167 ;;
2168 --disable-everything)
2169 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2170 ;;
2171 --disable-all)
2172 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2173 disable $LIBRARY_LIST $PROGRAM_LIST doc
2174 ;;
2175 --enable-random|--disable-random)
2176 action=${opt%%-random}
2177 do_random ${action#--} $COMPONENT_LIST
2178 ;;
2179 --enable-random=*|--disable-random=*)
2180 action=${opt%%-random=*}
2181 do_random ${action#--} $optval
2182 ;;
2183 --enable-*=*|--disable-*=*)
2184 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2185 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2186 eval list=\$$(toupper $thing)_LIST
2187 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2188 $action $(filter "$name" $list)
2189 ;;
2190 --enable-?*|--disable-?*)
2191 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2192 if is_in $option $COMPONENT_LIST; then
2193 test $action = disable && action=unset
2194 eval $action \$$(toupper ${option%s})_LIST
2195 elif is_in $option $CMDLINE_SELECT; then
2196 $action $option
2197 else
2198 die_unknown $opt
2199 fi
2200 ;;
2201 --list-*)
2202 NAME="${opt#--list-}"
2203 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2204 NAME=${NAME%s}
2205 eval show_list $NAME \$$(toupper $NAME)_LIST
2206 ;;
2207 --help|-h) show_help
2208 ;;
2209 *)
2210 optname="${opt%%=*}"
2211 optname="${optname#--}"
2212 optname=$(echo "$optname" | sed 's/-/_/g')
2213 if is_in $optname $CMDLINE_SET; then
2214 eval $optname='$optval'
2215 elif is_in $optname $CMDLINE_APPEND; then
2216 append $optname "$optval"
2217 else
2218 die_unknown $opt
2219 fi
2220 ;;
2221 esac
2222 done
2223
2224 disabled logging && logfile=/dev/null
2225
2226 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2227 set >> $logfile
2228
2229 test -n "$cross_prefix" && enable cross_compile
2230
2231 if enabled cross_compile; then
2232 test -n "$arch" && test -n "$target_os" ||
2233 die "Must specify target arch and OS when cross-compiling"
2234 fi
2235
2236 ar_default="${cross_prefix}${ar_default}"
2237 cc_default="${cross_prefix}${cc_default}"
2238 nm_default="${cross_prefix}${nm_default}"
2239 pkg_config_default="${cross_prefix}${pkg_config_default}"
2240 ranlib="${cross_prefix}${ranlib}"
2241 strip="${cross_prefix}${strip}"
2242
2243 sysinclude_default="${sysroot}/usr/include"
2244
2245 case "$toolchain" in
2246 clang-asan)
2247 cc_default="clang"
2248 add_cflags -fsanitize=address
2249 add_ldflags -fsanitize=address
2250 ;;
2251 clang-tsan)
2252 cc_default="clang"
2253 add_cflags -fsanitize=thread -pie
2254 add_ldflags -fsanitize=thread -pie
2255 ;;
2256 gcc-asan)
2257 cc_default="gcc"
2258 add_cflags -fsanitize=address
2259 add_ldflags -fsanitize=address
2260 ;;
2261 gcc-tsan)
2262 cc_default="gcc"
2263 add_cflags -fsanitize=thread -pie -fPIC
2264 add_ldflags -fsanitize=thread -pie -fPIC
2265 ;;
2266 valgrind-massif)
2267 target_exec_default="valgrind"
2268 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2269 ;;
2270 valgrind-memcheck)
2271 target_exec_default="valgrind"
2272 target_exec_args="--track-origins=yes --leak-check=full"
2273 ;;
2274 msvc)
2275 cc_default="c99wrap cl"
2276 ld_default="c99wrap link"
2277 nm_default="dumpbin -symbols"
2278 ar_default="lib"
2279 target_os_default="win32"
2280 ;;
2281 icl)
2282 cc_default="c99wrap -noconv icl"
2283 ld_default="c99wrap xilink"
2284 nm_default="dumpbin -symbols"
2285 ar_default="xilib"
2286 target_os_default="win32"
2287 ;;
2288 gcov)
2289 add_cflags -fprofile-arcs -ftest-coverage
2290 add_ldflags -fprofile-arcs -ftest-coverage
2291 ;;
2292 hardened)
2293 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2294 add_ldflags -Wl,-z,relro -Wl,-z,now
2295 ;;
2296 ?*)
2297 die "Unknown toolchain $toolchain"
2298 ;;
2299 esac
2300
2301 set_default arch cc pkg_config sysinclude target_exec target_os
2302 enabled cross_compile || host_cc_default=$cc
2303 set_default host_cc
2304
2305 if ! $pkg_config --version >/dev/null 2>&1; then
2306 warn "$pkg_config not found, library detection may fail."
2307 pkg_config=false
2308 fi
2309
2310 exesuf() {
2311 case $1 in
2312 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2313 esac
2314 }
2315
2316 EXESUF=$(exesuf $target_os)
2317 HOSTEXESUF=$(exesuf $host_os)
2318
2319 # set temporary file name
2320 : ${TMPDIR:=$TEMPDIR}
2321 : ${TMPDIR:=$TMP}
2322 : ${TMPDIR:=/tmp}
2323
2324 if ! check_cmd mktemp -u XXXXXX; then
2325 # simple replacement for missing mktemp
2326 # NOT SAFE FOR GENERAL USE
2327 mktemp(){
2328 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2329 }
2330 fi
2331
2332 tmpfile(){
2333 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2334 (set -C; exec > $tmp) 2>/dev/null ||
2335 die "Unable to create temporary file in $TMPDIR."
2336 append TMPFILES $tmp
2337 eval $1=$tmp
2338 }
2339
2340 trap 'rm -f -- $TMPFILES' EXIT
2341
2342 tmpfile TMPASM .asm
2343 tmpfile TMPC .c
2344 tmpfile TMPE $EXESUF
2345 tmpfile TMPH .h
2346 tmpfile TMPO .o
2347 tmpfile TMPS .S
2348 tmpfile TMPSH .sh
2349 tmpfile TMPV .ver
2350
2351 unset -f mktemp
2352
2353 chmod +x $TMPE
2354
2355 # make sure we can execute files in $TMPDIR
2356 cat > $TMPSH 2>> $logfile <<EOF
2357 #! /bin/sh
2358 EOF
2359 chmod +x $TMPSH >> $logfile 2>&1
2360 if ! $TMPSH >> $logfile 2>&1; then
2361 cat <<EOF
2362 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2363 variable to another directory and make sure that it is not mounted noexec.
2364 EOF
2365 die "Sanity test failed."
2366 fi
2367
2368 ccc_flags(){
2369 for flag; do
2370 case $flag in
2371 -std=c99) echo -c99 ;;
2372 -mcpu=*) echo -arch ${flag#*=} ;;
2373 -mieee) echo -ieee ;;
2374 -O*|-fast) echo $flag ;;
2375 -fno-math-errno) echo -assume nomath_errno ;;
2376 -g) echo -g3 ;;
2377 -Wall) echo -msg_enable level2 ;;
2378 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2379 -Wl,*) echo $flag ;;
2380 -f*|-W*) ;;
2381 *) echo $flag ;;
2382 esac
2383 done
2384 }
2385
2386 cparser_flags(){
2387 for flag; do
2388 case $flag in
2389 -Wno-switch) echo -Wno-switch-enum ;;
2390 -Wno-format-zero-length) ;;
2391 -Wdisabled-optimization) ;;
2392 -Wno-pointer-sign) echo -Wno-other ;;
2393 *) echo $flag ;;
2394 esac
2395 done
2396 }
2397
2398 msvc_common_flags(){
2399 for flag; do
2400 case $flag in
2401 # In addition to specifying certain flags under the compiler
2402 # specific filters, they must be specified here as well or else the
2403 # generic catch all at the bottom will print the original flag.
2404 -Wall) ;;
2405 -std=c99) ;;
2406 # Common flags
2407 -fomit-frame-pointer) ;;
2408 -g) echo -Z7 ;;
2409 -fno-math-errno) ;;
2410 -fno-common) ;;
2411 -fno-signed-zeros) ;;
2412 -fPIC) ;;
2413 -mthumb) ;;
2414 -march=*) ;;
2415 -lz) echo zlib.lib ;;
2416 -lavifil32) echo vfw32.lib ;;
2417 -lavicap32) echo vfw32.lib user32.lib ;;
2418 -l*) echo ${flag#-l}.lib ;;
2419 *) echo $flag ;;
2420 esac
2421 done
2422 }
2423
2424 msvc_flags(){
2425 msvc_common_flags "$@"
2426 for flag; do
2427 case $flag in
2428 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2429 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2430 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2431 -wd4273 ;;
2432 esac
2433 done
2434 }
2435
2436 icl_flags(){
2437 msvc_common_flags "$@"
2438 for flag; do
2439 case $flag in
2440 # Despite what Intel's documentation says -Wall, which is supported
2441 # on Windows, does enable remarks so disable them here.
2442 -Wall) echo $flag -Qdiag-disable:remark ;;
2443 -std=c99) echo -Qstd=c99 ;;
2444 esac
2445 done
2446 }
2447
2448 pgi_flags(){
2449 for flag; do
2450 case $flag in
2451 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2452 -fomit-frame-pointer) echo -Mnoframe ;;
2453 -g) echo -gopt ;;
2454 *) echo $flag ;;
2455 esac
2456 done
2457 }
2458
2459 suncc_flags(){
2460 for flag; do
2461 case $flag in
2462 -march=*|-mcpu=*)
2463 case "${flag#*=}" in
2464 native) echo -xtarget=native ;;
2465 v9|niagara) echo -xarch=sparc ;;
2466 ultrasparc) echo -xarch=sparcvis ;;
2467 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2468 i586|pentium) echo -xchip=pentium ;;
2469 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2470 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2471 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2472 pentium4*) echo -xtarget=pentium4 ;;
2473 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2474 *-sse3) echo -xarch=sse3 ;;
2475 core2) echo -xarch=ssse3 -xchip=core2 ;;
2476 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2477 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2478 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2479 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2480 k8|opteron|athlon64|athlon-fx)
2481 echo -xarch=sse2a ;;
2482 athlon*) echo -xarch=pentium_proa ;;
2483 esac
2484 ;;
2485 -std=c99) echo -xc99 ;;
2486 -fomit-frame-pointer) echo -xregs=frameptr ;;
2487 -fPIC) echo -KPIC -xcode=pic32 ;;
2488 -W*,*) echo $flag ;;
2489 -f*-*|-W*|-mimpure-text) ;;
2490 -shared) echo -G ;;
2491 *) echo $flag ;;
2492 esac
2493 done
2494 }
2495
2496 tms470_flags(){
2497 for flag; do
2498 case $flag in
2499 -march=*|-mcpu=*)
2500 case "${flag#*=}" in
2501 armv7-a|cortex-a*) echo -mv=7a8 ;;
2502 armv7-r|cortex-r*) echo -mv=7r4 ;;
2503 armv7-m|cortex-m*) echo -mv=7m3 ;;
2504 armv6*|arm11*) echo -mv=6 ;;
2505 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2506 echo -mv=5e ;;
2507 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2508 esac
2509 ;;
2510 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2511 -mfpu=vfp) echo --float_support=vfpv2 ;;
2512 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2513 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2514 -msoft-float) echo --float_support=vfplib ;;
2515 -O[0-3]|-mf=*) echo $flag ;;
2516 -g) echo -g -mn ;;
2517 -pds=*) echo $flag ;;
2518 -D*|-I*) echo $flag ;;
2519 --gcc|--abi=*) echo $flag ;;
2520 -me) echo $flag ;;
2521 esac
2522 done
2523 }
2524
2525 probe_cc(){
2526 pfx=$1
2527 _cc=$2
2528
2529 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2530 unset _ld_o _ldflags _ld_lib _ld_path
2531 unset _depflags _DEPCMD _DEPFLAGS
2532 _flags_filter=echo
2533
2534 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2535 _type=llvm_gcc
2536 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2537 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2538 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2539 _cflags_speed='-O3'
2540 _cflags_size='-Os'
2541 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2542 _type=gcc
2543 gcc_version=$($_cc --version | head -n1)
2544 gcc_basever=$($_cc -dumpversion)
2545 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2546 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2547 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2548 if ! $_cc -dumpversion | grep -q '^2\.'; then
2549 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2550 fi
2551 _cflags_speed='-O3'
2552 _cflags_size='-Os'
2553 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2554 _type=icc
2555 _ident=$($_cc --version | head -n1)
2556 _depflags='-MMD'
2557 _cflags_speed='-O3'
2558 _cflags_size='-Os'
2559 _cflags_noopt='-O1'
2560 elif $_cc -v 2>&1 | grep -q xlc; then
2561 _type=xlc
2562 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2563 _cflags_speed='-O5'
2564 _cflags_size='-O5 -qcompact'
2565 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2566 _type=ccc
2567 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2568 _DEPFLAGS='-M'
2569 _cflags_speed='-fast'
2570 _cflags_size='-O1'
2571 _flags_filter=ccc_flags
2572 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2573 test -d "$sysroot" || die "No valid sysroot specified."
2574 _type=armcc
2575 _ident=$($_cc --vsn | head -n1)
2576 armcc_conf="$PWD/armcc.conf"
2577 $_cc --arm_linux_configure \
2578 --arm_linux_config_file="$armcc_conf" \
2579 --configure_sysroot="$sysroot" \
2580 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2581 die "Error creating armcc configuration file."
2582 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2583 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2584 as_default="${cross_prefix}gcc"
2585 _depflags='-MMD'
2586 _cflags_speed='-O3'
2587 _cflags_size='-Os'
2588 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2589 _type=tms470
2590 _ident=$($_cc -version | head -n1 | tr -s ' ')
2591 _flags='--gcc --abi=eabi -me'
2592 _cc_e='-ppl -fe=$@'
2593 _cc_o='-fe=$@'
2594 _depflags='-ppa -ppd=$(@:.o=.d)'
2595 _cflags_speed='-O3 -mf=5'
2596 _cflags_size='-O3 -mf=2'
2597 _flags_filter=tms470_flags
2598 elif $_cc -v 2>&1 | grep -q clang; then
2599 _type=clang
2600 _ident=$($_cc --version | head -n1)
2601 _depflags='-MMD'
2602 _cflags_speed='-O3'
2603 _cflags_size='-Os'
2604 elif $_cc -V 2>&1 | grep -q Sun; then
2605 _type=suncc
2606 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2607 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2608 _DEPFLAGS='-xM1 -xc99'
2609 _ldflags='-std=c99'
2610 _cflags_speed='-O5'
2611 _cflags_size='-O5 -xspace'
2612 _flags_filter=suncc_flags
2613 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2614 _type=pathscale
2615 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2616 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2617 _cflags_speed='-O2'
2618 _cflags_size='-Os'
2619 _flags_filter='filter_out -Wdisabled-optimization'
2620 elif $_cc -v 2>&1 | grep -q Open64; then
2621 _type=open64
2622 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2623 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2624 _cflags_speed='-O2'
2625 _cflags_size='-Os'
2626 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2627 elif $_cc -V 2>&1 | grep -q Portland; then
2628 _type=pgi
2629 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2630 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2631 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2632 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2633 _cflags_noopt="-O1"
2634 _flags_filter=pgi_flags
2635 elif $_cc 2>&1 | grep -q Microsoft; then
2636 _type=msvc
2637 _ident=$($cc 2>&1 | head -n1)
2638 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2639 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2640 _cflags_speed="-O2"
2641 _cflags_size="-O1"
2642 # Nonstandard output options, to avoid msys path conversion issues.
2643 # Relies on wrapper to remap it.
2644 if $_cc 2>&1 | grep -q Linker; then
2645 _ld_o='-out $@'
2646 else
2647 _ld_o='-Fe$@'
2648 fi
2649 _cc_o='-Fo $@'
2650 _cc_e='-P -Fi $@'
2651 _flags_filter=msvc_flags
2652 _ld_lib='lib%.a'
2653 _ld_path='-libpath:'
2654 _flags='-nologo'
2655 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2656 if [ $pfx = hostcc ]; then
2657 append _cflags -Dsnprintf=_snprintf
2658 fi
2659 elif $_cc 2>&1 | grep -q Intel; then
2660 _type=icl
2661 _ident=$($cc 2>&1 | head -n1)
2662 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
2663 # Not only is O3 broken on 13.x+ but it is slower on all previous
2664 # versions (tested) as well.
2665 _cflags_speed="-O2"
2666 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
2667 # Nonstandard output options, to avoid msys path conversion issues.
2668 # Relies on wrapper to remap it.
2669 if $_cc 2>&1 | grep -q Linker; then
2670 _ld_o='-out $@'
2671 else
2672 _ld_o='-Fe$@'
2673 fi
2674 _cc_o='-Fo $@'
2675 _cc_e='-P'
2676 _flags_filter=icl_flags
2677 _ld_lib='lib%.a'
2678 _ld_path='-libpath:'
2679 # -Qdiag-error to make icl error when seeing certain unknown arguments
2680 _flags='-nologo -Qdiag-error:4044,10157'
2681 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2682 # with MSVC which enables it by default.
2683 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
2684 if [ $pfx = hostcc ]; then
2685 append _cflags -Dsnprintf=_snprintf
2686 fi
2687 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
2688 _type=cparser
2689 _ident=$($_cc --version | head -n1)
2690 _depflags='-MMD'
2691 _cflags_speed='-O4'
2692 _cflags_size='-O2'
2693 _flags_filter=cparser_flags
2694 fi
2695
2696 eval ${pfx}_type=\$_type
2697 eval ${pfx}_ident=\$_ident
2698 }
2699
2700 set_ccvars(){
2701 eval ${1}_C=\${_cc_c-\${${1}_C}}
2702 eval ${1}_E=\${_cc_e-\${${1}_E}}
2703 eval ${1}_O=\${_cc_o-\${${1}_O}}
2704
2705 if [ -n "$_depflags" ]; then
2706 eval ${1}_DEPFLAGS=\$_depflags
2707 else
2708 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2709 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2710 eval DEP${1}FLAGS=\$_flags
2711 fi
2712 }
2713
2714 probe_cc cc "$cc"
2715 cflags_filter=$_flags_filter
2716 cflags_speed=$_cflags_speed
2717 cflags_size=$_cflags_size
2718 cflags_noopt=$_cflags_noopt
2719 add_cflags $_flags $_cflags
2720 cc_ldflags=$_ldflags
2721 set_ccvars CC
2722
2723 probe_cc hostcc "$host_cc"
2724 host_cflags_filter=$_flags_filter
2725 add_host_cflags $_flags $_cflags
2726 set_ccvars HOSTCC
2727
2728 test -n "$cc_type" && enable $cc_type ||
2729 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2730
2731 : ${as_default:=$cc}
2732 : ${dep_cc_default:=$cc}
2733 : ${ld_default:=$cc}
2734 : ${host_ld_default:=$host_cc}
2735 set_default ar as dep_cc ld host_ld
2736
2737 probe_cc as "$as"
2738 asflags_filter=$_flags_filter
2739 add_asflags $_flags $_cflags
2740 set_ccvars AS
2741
2742 probe_cc ld "$ld"
2743 ldflags_filter=$_flags_filter
2744 add_ldflags $_flags $_ldflags
2745 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2746 LD_O=${_ld_o-$LD_O}
2747 LD_LIB=${_ld_lib-$LD_LIB}
2748 LD_PATH=${_ld_path-$LD_PATH}
2749
2750 probe_cc hostld "$host_ld"
2751 host_ldflags_filter=$_flags_filter
2752 add_host_ldflags $_flags $_ldflags
2753 HOSTLD_O=${_ld_o-$HOSTLD_O}
2754
2755 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2756 probe_cc depcc "$dep_cc"
2757 CCDEP=${_DEPCMD:-$DEPCMD}
2758 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2759 DEPCCFLAGS=$_flags
2760 fi
2761
2762 if $ar 2>&1 | grep -q Microsoft; then
2763 arflags="-nologo"
2764 ar_o='-out:$@'
2765 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2766 arflags="rq"
2767 ar_o='$@'
2768 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
2769 arflags='-Xany -r -c'
2770 ar_o='$@'
2771 else
2772 arflags="rc"
2773 ar_o='$@'
2774 fi
2775
2776 add_cflags $extra_cflags
2777 add_asflags $extra_cflags
2778
2779 if test -n "$sysroot"; then
2780 case "$cc_type" in
2781 gcc|llvm_gcc|clang)
2782 add_cppflags --sysroot="$sysroot"
2783 add_ldflags --sysroot="$sysroot"
2784 ;;
2785 tms470)
2786 add_cppflags -I"$sysinclude"
2787 add_ldflags --sysroot="$sysroot"
2788 ;;
2789 esac
2790 fi
2791
2792 if test "$cpu" = host; then
2793 enabled cross_compile &&
2794 die "--cpu=host makes no sense when cross-compiling."
2795
2796 case "$cc_type" in
2797 gcc|llvm_gcc)
2798 check_native(){
2799 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2800 sed -n "/cc1.*$1=/{
2801 s/.*$1=\\([^ ]*\\).*/\\1/
2802 p
2803 q
2804 }" $TMPE
2805 }
2806 cpu=$(check_native -march || check_native -mcpu)
2807 ;;
2808 esac
2809
2810 test "${cpu:-host}" = host &&
2811 die "--cpu=host not supported with compiler $cc"
2812 fi
2813
2814 # Deal with common $arch aliases
2815 case "$arch" in
2816 aarch64|arm64)
2817 arch="aarch64"
2818 ;;
2819 arm*)
2820 arch="arm"
2821 ;;
2822 mips*|IP*)
2823 arch="mips"
2824 ;;
2825 parisc*|hppa*)
2826 arch="parisc"
2827 ;;
2828 "Power Macintosh"|ppc*|powerpc*)
2829 arch="ppc"
2830 ;;
2831 s390|s390x)
2832 arch="s390"
2833 ;;
2834 sh4|sh)
2835 arch="sh4"
2836 ;;
2837 sun4u|sparc*)
2838 arch="sparc"
2839 ;;
2840 tilegx|tile-gx)
2841 arch="tilegx"
2842 ;;
2843 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2844 arch="x86"
2845 ;;
2846 esac
2847
2848 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2849 enable $arch
2850
2851 # Add processor-specific flags
2852 if enabled aarch64; then
2853
2854 case $cpu in
2855 armv*)
2856 cpuflags="-march=$cpu"
2857 ;;
2858 *)
2859 cpuflags="-mcpu=$cpu"
2860 ;;
2861 esac
2862
2863 elif enabled alpha; then
2864
2865 cpuflags="-mcpu=$cpu"
2866
2867 elif enabled arm; then
2868
2869 check_arm_arch() {
2870 check_cpp_condition stddef.h \
2871 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2872 $cpuflags
2873 }
2874
2875 probe_arm_arch() {
2876 if check_arm_arch 4; then echo armv4;
2877 elif check_arm_arch 4T; then echo armv4t;
2878 elif check_arm_arch 5; then echo armv5;
2879 elif check_arm_arch 5E; then echo armv5e;
2880 elif check_arm_arch 5T; then echo armv5t;
2881 elif check_arm_arch 5TE; then echo armv5te;
2882 elif check_arm_arch 5TEJ; then echo armv5te;
2883 elif check_arm_arch 6; then echo armv6;
2884 elif check_arm_arch 6J; then echo armv6j;
2885 elif check_arm_arch 6K; then echo armv6k;
2886 elif check_arm_arch 6Z; then echo armv6z;
2887 elif check_arm_arch 6ZK; then echo armv6zk;
2888 elif check_arm_arch 6T2; then echo armv6t2;
2889 elif check_arm_arch 7; then echo armv7;
2890 elif check_arm_arch 7A 7_A; then echo armv7-a;
2891 elif check_arm_arch 7R 7_R; then echo armv7-r;
2892 elif check_arm_arch 7M 7_M; then echo armv7-m;
2893 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2894 elif check_arm_arch 8A 8_A; then echo armv8-a;
2895 fi
2896 }
2897
2898 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2899
2900 case $cpu in
2901 armv*)
2902 cpuflags="-march=$cpu"
2903 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2904 ;;
2905 *)
2906 cpuflags="-mcpu=$cpu"
2907 case $cpu in
2908 cortex-a*) subarch=armv7a ;;
2909 cortex-r*) subarch=armv7r ;;
2910 cortex-m*) enable thumb; subarch=armv7m ;;
2911 arm11*) subarch=armv6 ;;
2912 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2913 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2914 *) subarch=$(probe_arm_arch) ;;
2915 esac
2916 ;;
2917 esac
2918
2919 case "$subarch" in
2920 armv5t*) enable fast_clz ;;
2921 armv[6-8]*) enable fast_clz fast_unaligned ;;
2922 esac
2923
2924 elif enabled avr32; then
2925
2926 case $cpu in
2927 ap7[02]0[0-2])
2928 subarch="avr32_ap"
2929 cpuflags="-mpart=$cpu"
2930 ;;
2931 ap)
2932 subarch="avr32_ap"
2933 cpuflags="-march=$cpu"
2934 ;;
2935 uc3[ab]*)
2936 subarch="avr32_uc"
2937 cpuflags="-mcpu=$cpu"
2938 ;;
2939 uc)
2940 subarch="avr32_uc"
2941 cpuflags="-march=$cpu"
2942 ;;
2943 esac
2944
2945 elif enabled bfin; then
2946
2947 cpuflags="-mcpu=$cpu"
2948
2949 elif enabled mips; then
2950
2951 cpuflags="-march=$cpu"
2952
2953 elif enabled ppc; then
2954
2955 case $(tolower $cpu) in
2956 601|ppc601|powerpc601)
2957 cpuflags="-mcpu=601"
2958 disable altivec
2959 ;;
2960 603*|ppc603*|powerpc603*)
2961 cpuflags="-mcpu=603"
2962 disable altivec
2963 ;;
2964 604*|ppc604*|powerpc604*)
2965 cpuflags="-mcpu=604"
2966 disable altivec
2967 ;;
2968 g3|75*|ppc75*|powerpc75*)
2969 cpuflags="-mcpu=750"
2970 disable altivec
2971 ;;
2972 g4|745*|ppc745*|powerpc745*)
2973 cpuflags="-mcpu=7450"
2974 ;;
2975 74*|ppc74*|powerpc74*)
2976 cpuflags="-mcpu=7400"
2977 ;;
2978 g5|970|ppc970|powerpc970)
2979 cpuflags="-mcpu=970"
2980 ;;
2981 power[3-7]*)
2982 cpuflags="-mcpu=$cpu"
2983 ;;
2984 cell)
2985 cpuflags="-mcpu=cell"
2986 enable ldbrx
2987 ;;
2988 e500mc)
2989 cpuflags="-mcpu=e500mc"
2990 disable altivec
2991 ;;
2992 e500v2)
2993 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2994 disable altivec
2995 ;;
2996 e500)
2997 cpuflags="-mcpu=8540 -mhard-float"
2998 disable altivec
2999 ;;
3000 esac
3001
3002 elif enabled sparc; then
3003
3004 case $cpu in
3005 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3006 cpuflags="-mcpu=$cpu"
3007 disable vis
3008 ;;
3009 ultrasparc*|niagara[234])
3010 cpuflags="-mcpu=$cpu"
3011 ;;
3012 esac
3013
3014 elif enabled x86; then
3015
3016 case $cpu in
3017 i[345]86|pentium)
3018 cpuflags="-march=$cpu"
3019 disable mmx
3020 ;;
3021 # targets that do NOT support nopl and conditional mov (cmov)
3022 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3023 cpuflags="-march=$cpu"
3024 disable i686
3025 ;;
3026 # targets that do support nopl and conditional mov (cmov)
3027 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3028 cpuflags="-march=$cpu"
3029 enable i686
3030 enable fast_cmov
3031 ;;
3032 # targets that do support conditional mov but on which it's slow
3033 pentium4|pentium4m|prescott|nocona)
3034 cpuflags="-march=$cpu"
3035 enable i686
3036 disable fast_cmov
3037 ;;
3038 esac
3039
3040 fi
3041
3042 if [ "$cpu" != generic ]; then
3043 add_cflags $cpuflags
3044 add_asflags $cpuflags
3045 fi
3046
3047 # compiler sanity check
3048 check_exec <<EOF
3049 int main(void){ return 0; }
3050 EOF
3051 if test "$?" != 0; then
3052 echo "$cc is unable to create an executable file."
3053 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3054 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3055 echo "Only do this if you know what cross compiling means."
3056 fi
3057 die "C compiler test failed."
3058 fi
3059
3060 add_cppflags -D_ISOC99_SOURCE
3061 check_cflags -std=c99
3062 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3063 #include <stdlib.h>
3064 EOF
3065 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3066 #include <stdlib.h>
3067 EOF
3068
3069 check_host_cflags -std=c99
3070 check_host_cflags -Wall
3071
3072 check_64bit(){
3073 arch32=$1
3074 arch64=$2
3075 expr=$3
3076 check_code cc "" "int test[2*($expr) - 1]" &&
3077 subarch=$arch64 || subarch=$arch32
3078 }
3079
3080 case "$arch" in
3081 aarch64|alpha|ia64)
3082 spic=$shared
3083 ;;
3084 mips)
3085 check_64bit mips mips64 '_MIPS_SIM > 1'
3086 spic=$shared
3087 ;;
3088 parisc)
3089 check_64bit parisc parisc64 'sizeof(void *) > 4'
3090 spic=$shared
3091 ;;
3092 ppc)
3093 check_64bit ppc ppc64 'sizeof(void *) > 4'
3094 spic=$shared
3095 ;;
3096 sparc)
3097 check_64bit sparc sparc64 'sizeof(void *) > 4'
3098 spic=$shared
3099 ;;
3100 x86)
3101 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3102 if test "$subarch" = "x86_64"; then
3103 spic=$shared
3104 fi
3105 ;;
3106 esac
3107
3108 enable $subarch
3109 enabled spic && enable_weak pic
3110
3111 # OS specific
3112 case $target_os in
3113 aix)
3114 SHFLAGS=-shared
3115 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3116 enabled shared && add_ldflags -Wl,-brtl
3117 ;;
3118 haiku)
3119 prefix_default="/boot/common"
3120 network_extralibs="-lnetwork"
3121 host_libs=
3122 ;;
3123 sunos)
3124 SHFLAGS='-shared -Wl,-h,$$(@F)'
3125 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3126 network_extralibs="-lsocket -lnsl"
3127 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3128 # When using suncc to build, the Solaris linker will mark
3129 # an executable with each instruction set encountered by
3130 # the Solaris assembler. As our libraries contain their own
3131 # guards for processor-specific code, instead suppress
3132 # generation of the HWCAPS ELF section on Solaris x86 only.
3133 enabled_all suncc x86 &&
3134 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3135 add_ldflags -Wl,-M,mapfile
3136 nm_default='nm -P -g'
3137 ;;
3138 netbsd)
3139 disable symver
3140 oss_indev_extralibs="-lossaudio"
3141 oss_outdev_extralibs="-lossaudio"
3142 ;;
3143 openbsd|bitrig)
3144 disable symver
3145 SHFLAGS='-shared'
3146 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3147 SLIB_INSTALL_LINKS=
3148 oss_indev_extralibs="-lossaudio"
3149 oss_outdev_extralibs="-lossaudio"
3150 ;;
3151 dragonfly)
3152 disable symver
3153 ;;
3154 freebsd)
3155 ;;
3156 bsd/os)
3157 add_extralibs -lpoll -lgnugetopt
3158 ;;
3159 darwin)
3160 gas="gas-preprocessor.pl $cc"
3161 enabled ppc && add_asflags -force_cpusubtype_ALL
3162 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3163 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3164 add_ldflags -Wl,-dynamic,-search_paths_first
3165 SLIBSUF=".dylib"
3166 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3167 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3168 objformat="macho"
3169 enabled x86_64 && objformat="macho64"
3170 enabled_any pic shared ||
3171 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3172 ;;
3173 mingw32*)
3174 if test $target_os = "mingw32ce"; then
3175 disable network
3176 else
3177 target_os=mingw32
3178 fi
3179 LIBTARGET=i386
3180 if enabled x86_64; then
3181 LIBTARGET="i386:x86-64"
3182 elif enabled arm; then
3183 LIBTARGET=arm-wince
3184 fi
3185 check_ldflags -Wl,--nxcompat
3186 check_ldflags -Wl,--dynamicbase
3187 shlibdir_default="$bindir_default"
3188 SLIBPREF=""
3189 SLIBSUF=".dll"
3190 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3191 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3192 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3193 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3194 SLIB_INSTALL_LINKS=
3195 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3196 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3197 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3198 objformat="win32"
3199 dlltool="${cross_prefix}dlltool"
3200 ranlib=:
3201 enable dos_paths
3202 ;;
3203 win32|win64)
3204 if enabled shared; then
3205 # Link to the import library instead of the normal static library
3206 # for shared libs.
3207 LD_LIB='%.lib'
3208 # Cannot build both shared and static libs with MSVC or icl.
3209 disable static
3210 fi
3211 shlibdir_default="$bindir_default"
3212 SLIBPREF=""
3213 SLIBSUF=".dll"
3214 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3215 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3216 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3217 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3218 SLIB_INSTALL_LINKS=
3219 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3220 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3221 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3222 objformat="win32"
3223 ranlib=:
3224 enable dos_paths
3225 ;;
3226 cygwin*)
3227 target_os=cygwin
3228 shlibdir_default="$bindir_default"
3229 SLIBPREF="cyg"
3230 SLIBSUF=".dll"
3231 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3232 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3233 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3234 SLIB_INSTALL_LINKS=
3235 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3236 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3237 objformat="win32"
3238 enable dos_paths
3239 ;;
3240 *-dos|freedos|opendos)
3241 network_extralibs="-lsocket"
3242 objformat="coff"
3243 enable dos_paths
3244 add_cppflags -U__STRICT_ANSI__
3245 ;;
3246 linux)
3247 enable dv1394
3248 ;;
3249 irix*)
3250 target_os=irix
3251 ranlib="echo ignoring ranlib"
3252 ;;
3253 os/2*)
3254 ln_s="cp -f"
3255 objformat="aout"
3256 add_cppflags -D_GNU_SOURCE
3257 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3258 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3259 LIBSUF="_s.a"
3260 SLIBPREF=""
3261 SLIBSUF=".dll"
3262 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3263 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3264 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3265 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3266 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3267 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3268 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3269 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3270 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3271 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3272 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3273 enable dos_paths
3274 ;;
3275 gnu/kfreebsd)
3276 add_cppflags -D_BSD_SOURCE
3277 ;;
3278 gnu)
3279 ;;
3280 qnx)
3281 add_cppflags -D_QNX_SOURCE
3282 network_extralibs="-lsocket"
3283 ;;
3284 symbian)
3285 SLIBSUF=".dll"
3286 enable dos_paths
3287 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3288 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3289 add_ldflags -Wl,--target1-abs,--no-undefined \
3290 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3291 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3292 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3293 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3294 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3295 ;;
3296 osf1)
3297 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3298 ;;
3299 minix)
3300 ;;
3301 plan9)
3302 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3303 -D_REENTRANT_SOURCE \
3304 -D_RESEARCH_SOURCE \
3305 -DFD_SETSIZE=96 \
3306 -DHAVE_SOCK_OPTS
3307 add_compat strtod.o strtod=avpriv_strtod
3308 network_extralibs='-lbsd'
3309 exeobjs=compat/plan9/main.o
3310 disable avserver
3311 cp_f='cp'
3312 ;;
3313 none)
3314 ;;
3315 *)
3316 die "Unknown OS '$target_os'."
3317 ;;
3318 esac
3319
3320 # determine libc flavour
3321
3322 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3323 if check_cpp_condition features.h "defined __UCLIBC__"; then
3324 libc_type=uclibc
3325 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3326 elif check_cpp_condition features.h "defined __GLIBC__"; then
3327 libc_type=glibc
3328 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3329 # MinGW headers can be installed on Cygwin, so check for newlib first.
3330 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3331 libc_type=newlib
3332 add_cppflags -U__STRICT_ANSI__
3333 elif check_header _mingw.h; then
3334 libc_type=mingw
3335 check_cpp_condition _mingw.h \
3336 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3337 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3338 die "ERROR: MinGW runtime version must be >= 3.15."
3339 add_cppflags -U__STRICT_ANSI__
3340 elif check_func_headers stdlib.h _get_doserrno; then
3341 libc_type=msvcrt
3342 add_compat strtod.o strtod=avpriv_strtod
3343 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3344 _snprintf=avpriv_snprintf \
3345 vsnprintf=avpriv_vsnprintf
3346 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3347 # 0x601 by default unless something else is set by the user.
3348 # This can easily lead to us detecting functions only present
3349 # in such new versions and producing binaries requiring windows 7.0.
3350 # Therefore explicitly set the default to XP unless the user has
3351 # set something else on the command line.
3352 check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
3353 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3354 libc_type=klibc
3355 elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3356 libc_type=bionic
3357 add_compat strtod.o strtod=avpriv_strtod
3358 fi
3359
3360 test -n "$libc_type" && enable $libc_type
3361
3362 # hacks for compiler/libc/os combinations
3363
3364 if enabled_all tms470 glibc; then
3365 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3366 add_cppflags -D__USER_LABEL_PREFIX__=
3367 add_cppflags -D__builtin_memset=memset
3368 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3369 add_cflags -pds=48 # incompatible redefinition of macro
3370 fi
3371
3372 if enabled_all ccc glibc; then
3373 add_ldflags -Wl,-z,now # calls to libots crash without this
3374 fi
3375
3376 esc(){
3377 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3378 }
3379
3380 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
3381
3382 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3383
3384 set_default $PATHS_LIST
3385 set_default nm
3386
3387 # we need to build at least one lib type
3388 if ! enabled_any static shared; then
3389 cat <<EOF
3390 At least one library type must be built.
3391 Specify --enable-static to build the static libraries or --enable-shared to
3392 build the shared libraries as well. To only build the shared libraries specify
3393 --disable-static in addition to --enable-shared.
3394 EOF
3395 exit 1;
3396 fi
3397
3398 die_license_disabled() {
3399 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3400 }
3401
3402 die_license_disabled gpl libcdio
3403 die_license_disabled gpl libx264
3404 die_license_disabled gpl libxavs
3405 die_license_disabled gpl libxvid
3406 die_license_disabled gpl x11grab
3407
3408 die_license_disabled nonfree libfaac
3409 die_license_disabled nonfree libfdk_aac
3410 die_license_disabled nonfree openssl
3411
3412 die_license_disabled version3 libopencore_amrnb
3413 die_license_disabled version3 libopencore_amrwb
3414 die_license_disabled version3 libvo_aacenc
3415 die_license_disabled version3 libvo_amrwbenc
3416
3417 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3418
3419 disabled optimizations || check_cflags -fomit-frame-pointer
3420
3421 enable_weak_pic() {
3422 disabled pic && return
3423 enable pic
3424 add_cppflags -DPIC
3425 case "$target_os" in
3426 mingw*|cygwin*)
3427 ;;
3428 *)
3429 add_cflags -fPIC
3430 ;;
3431 esac
3432 add_asflags -fPIC
3433 }
3434
3435 enabled pic && enable_weak_pic
3436
3437 check_cc <<EOF || die "Symbol mangling check failed."
3438 int ff_extern;
3439 EOF
3440 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3441 extern_prefix=${sym%%ff_extern*}
3442
3443 check_cc <<EOF && enable_weak inline_asm
3444 void foo(void) { __asm__ volatile ("" ::); }
3445 EOF
3446
3447 _restrict=
3448 for restrict_keyword in restrict __restrict__ __restrict; do
3449 check_cc <<EOF && _restrict=$restrict_keyword && break
3450 void foo(char * $restrict_keyword p);
3451 EOF
3452 done
3453
3454 check_cc <<EOF && enable pragma_deprecated
3455 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3456 EOF
3457
3458 check_cc <<EOF && enable attribute_packed
3459 struct { int x; } __attribute__((packed)) x;
3460 EOF
3461
3462 check_cc <<EOF && enable attribute_may_alias
3463 union { int x; } __attribute__((may_alias)) x;
3464 EOF
3465
3466 check_cc <<EOF || die "endian test failed"
3467 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3468 EOF
3469 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3470
3471 check_inline_asm inline_asm_labels '"1:\n"'
3472
3473 if enabled alpha; then
3474
3475 check_cflags -mieee
3476
3477 elif enabled arm; then
3478
3479 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
3480 enabled thumb && check_cflags -mthumb || check_cflags -marm
3481 nogas=die
3482
3483 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3484 enable vfp_args
3485 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3486 case "${cross_prefix:-$cc}" in
3487 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3488 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3489 __asm__ (".eabi_attribute 28, 1");
3490 int main(void) { return 0; }
3491 EOF
3492 esac
3493 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3494 fi
3495
3496 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3497 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3498 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3499 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
3500 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
3501 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3502
3503 [ $target_os = linux ] ||
3504 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3505 $ARCH_EXT_LIST_ARM
3506
3507 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3508 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3509
3510 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
3511
3512 elif enabled mips; then
3513
3514 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3515
3516 elif enabled parisc; then
3517
3518 if enabled gcc; then
3519 case $($cc -dumpversion) in
3520 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3521 esac
3522 fi
3523
3524 elif enabled ppc; then
3525
3526 enable local_aligned_8 local_aligned_16
3527
3528 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3529 check_inline_asm ibm_asm '"add 0, 0, 0"'
3530 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3531 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3532
3533 # AltiVec flags: The FSF version of GCC differs from the Apple version
3534 if enabled altivec; then
3535 nogas=warn
3536 check_cflags -maltivec -mabi=altivec &&
3537 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3538 check_cflags -faltivec
3539
3540 # check if our compiler supports Motorola AltiVec C API
3541 check_cc <<EOF || disable altivec
3542 $inc_altivec_h
3543 int main(void) {
3544 vector signed int v1 = (vector signed int) { 0 };
3545 vector signed int v2 = (vector signed int) { 1 };
3546 v1 = vec_add(v1, v2);
3547 return 0;
3548 }
3549 EOF
3550
3551 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3552 fi
3553
3554 elif enabled sparc; then
3555
3556 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
3557
3558 elif enabled x86; then
3559
3560 check_builtin rdtsc intrin.h "__rdtsc()"
3561 check_builtin mm_empty mmintrin.h "_mm_empty()"
3562
3563 enable local_aligned_8 local_aligned_16
3564
3565 # check whether EBP is available on x86
3566 # As 'i' is stored on the stack, this program will crash
3567 # if the base pointer is used to access it because the
3568 # base pointer is cleared in the inline assembly code.
3569 check_exec_crash <<EOF && enable ebp_available
3570 volatile int i=0;
3571 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3572 return i;
3573 EOF
3574
3575 # check whether EBX is available on x86
3576 check_inline_asm ebx_available '""::"b"(0)' &&
3577 check_inline_asm ebx_available '"":::"%ebx"'
3578
3579 # check whether xmm clobbers are supported
3580 check_inline_asm xmm_clobbers '"":::"%xmm0"'
3581
3582 # check whether binutils is new enough to compile SSSE3/MMXEXT
3583 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3584 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3585
3586 if ! disabled_any asm mmx yasm; then
3587 if check_cmd $yasmexe --version; then
3588 enabled x86_64 && yasm_extra="-m amd64"
3589 yasm_debug="-g dwarf2"
3590 elif check_cmd nasm -v; then
3591 yasmexe=nasm
3592 yasm_debug="-g -F dwarf"
3593 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3594 fi
3595
3596 YASMFLAGS="-f $objformat $yasm_extra"
3597 enabled pic && append YASMFLAGS "-DPIC"
3598 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3599 case "$objformat" in
3600 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3601 esac
3602
3603 check_yasm "movbe ecx, [5]" && enable yasm ||
3604 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
3605 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3606 check_yasm "CPU amdnop" && enable cpunop
3607 fi
3608
3609 case "$cpu" in
3610 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3611 disable fast_clz
3612 ;;
3613 esac
3614
3615 fi
3616
3617 if enabled asm; then
3618 as=${gas:=$as}
3619 check_as <<EOF && enable gnu_as || \
3620 $nogas "GNU assembler not found, install gas-preprocessor"
3621 .macro m n
3622 \n: .int 0
3623 .endm
3624 m x
3625 EOF
3626 fi
3627
3628 check_ldflags -Wl,--as-needed
3629
3630 if check_func dlopen; then
3631 ldl=
3632 elif check_func dlopen -ldl; then
3633 ldl=-ldl
3634 fi
3635
3636 if ! disabled network; then
3637 check_type "sys/types.h sys/socket.h" socklen_t
3638 check_type netdb.h "struct addrinfo"
3639 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3640 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3641 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3642 check_type netinet/in.h "struct sockaddr_in6"
3643 check_type poll.h "struct pollfd"
3644 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3645 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3646 check_type netinet/sctp.h "struct sctp_event_subscribe"
3647 check_func getaddrinfo $network_extralibs
3648 check_func getservbyport $network_extralibs
3649 # Prefer arpa/inet.h over winsock2
3650 if check_header arpa/inet.h ; then
3651 check_func closesocket
3652 elif check_header winsock2.h ; then
3653 check_func_headers winsock2.h closesocket -lws2 &&
3654 network_extralibs="-lws2" ||
3655 { check_func_headers winsock2.h closesocket -lws2_32 &&
3656 network_extralibs="-lws2_32"; }
3657 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3658 check_type ws2tcpip.h socklen_t
3659 check_type ws2tcpip.h "struct addrinfo"
3660 check_type ws2tcpip.h "struct group_source_req"
3661 check_type ws2tcpip.h "struct ip_mreq_source"
3662 check_type ws2tcpip.h "struct ipv6_mreq"
3663 check_type winsock2.h "struct pollfd"
3664 check_type ws2tcpip.h "struct sockaddr_in6"
3665 check_type ws2tcpip.h "struct sockaddr_storage"
3666 check_struct winsock2.h "struct sockaddr" sa_len
3667 else
3668 disable network
3669 fi
3670 fi
3671
3672 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3673 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3674
3675 check_func fcntl
3676 check_func fork
3677 check_func_headers stdlib.h getenv
3678 check_func gethrtime
3679 check_func getopt
3680 check_func getrusage
3681 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3682 check_func gettimeofday
3683 check_func inet_aton $network_extralibs
3684 check_func isatty
3685 check_func localtime_r
3686 check_func ${malloc_prefix}memalign && enable memalign
3687 check_func mkstemp
3688 check_func mmap
3689 check_func mprotect
3690 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
3691 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
3692 check_func setrlimit
3693 check_func strerror_r
3694 check_func strptime
3695 check_func strtok_r
3696 check_func sched_getaffinity
3697 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
3698 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
3699 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
3700 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
3701 check_func sysconf
3702 check_func sysctl
3703 check_func usleep
3704 check_func_headers io.h setmode
3705 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3706 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
3707 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3708 check_func_headers windows.h GetProcessAffinityMask
3709 check_func_headers windows.h GetProcessTimes
3710 check_func_headers windows.h GetSystemTimeAsFileTime
3711 check_func_headers windows.h MapViewOfFile
3712 check_func_headers windows.h SetConsoleTextAttribute
3713 check_func_headers windows.h Sleep
3714 check_func_headers windows.h VirtualAlloc
3715
3716 check_header direct.h
3717 check_header dlfcn.h
3718 check_header dxva.h
3719 check_header dxva2api.h
3720 check_header io.h
3721 check_header malloc.h
3722 check_header poll.h
3723 check_header sys/mman.h
3724 check_header sys/param.h
3725 check_header sys/resource.h
3726 check_header sys/select.h
3727 check_header sys/time.h
3728 check_header sys/un.h
3729 check_header unistd.h
3730 check_header vdpau/vdpau.h
3731 check_header vdpau/vdpau_x11.h
3732 check_header VideoDecodeAcceleration/VDADecoder.h
3733 check_header windows.h
3734 check_header X11/extensions/XvMClib.h
3735
3736 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
3737 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3738
3739 if ! disabled w32threads && ! enabled pthreads; then
3740 check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
3741 fi
3742
3743 # check for some common methods of building with pthread support
3744 # do this before the optional library checks as some of them require pthreads
3745 if ! disabled pthreads && ! enabled w32threads; then
3746 enable pthreads
3747 if check_func pthread_create; then
3748 :
3749 elif check_func pthread_create -pthread; then
3750 add_cflags -pthread
3751 add_extralibs -pthread
3752 elif check_func pthread_create -pthreads; then
3753 add_cflags -pthreads
3754 add_extralibs -pthreads
3755 elif check_func pthread_create -lpthreadGC2; then
3756 add_extralibs -lpthreadGC2
3757 elif ! check_lib pthread.h pthread_create -lpthread; then
3758 disable pthreads
3759 fi
3760 fi
3761
3762 for thread in $THREADS_LIST; do
3763 if enabled $thread; then
3764 test -n "$thread_type" &&
3765 die "ERROR: Only one thread type must be selected." ||
3766 thread_type="$thread"
3767 fi
3768 done
3769
3770 enabled sync_val_compare_and_swap && enable atomics_gcc
3771 enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc
3772 enabled MemoryBarrier && enable atomics_win32
3773
3774 check_lib math.h sin -lm && LIBM="-lm"
3775 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3776
3777 atan2f_args=2
3778 ldexpf_args=2
3779 powf_args=2
3780
3781 for func in $MATH_FUNCS; do
3782 eval check_mathfunc $func \${${func}_args:-1}
3783 done
3784
3785 # these are off by default, so fail if requested and not available
3786 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3787 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3788 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3789 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3790 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3791 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3792 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
3793 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
3794 done || die "ERROR: libgsm not found"; }
3795 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3796 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3797 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3798 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3799 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3800 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3801 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3802 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3803 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3804 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3805 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
3806 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3807 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3808 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3809 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3810 enabled libvpx && {
3811 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3812 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3813 enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3814 die "ERROR: libvpx encoder version must be >=0.9.6"; }
3815 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
3816 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
3817 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
3818 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
3819 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3820 die "ERROR: libx264 version must be >= 0.118."; }
3821 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
3822 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
3823 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3824 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3825 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3826 die "ERROR: openssl not found"; }
3827
3828 if enabled gnutls; then
3829 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3830 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3831 fi
3832
3833 # libdc1394 check
3834 if enabled libdc1394; then
3835 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3836 enable libdc1394_2; } ||
3837 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3838 enable libdc1394_1; } ||
3839 die "ERROR: No version of libdc1394 found "
3840 fi
3841
3842 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3843 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3844 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
3845 enable sdl
3846 fi
3847
3848 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3849
3850 check_header linux/fb.h
3851 check_header linux/videodev2.h
3852 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3853
3854 check_header sys/videoio.h
3855
3856 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3857 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3858 # w32api 3.12 had it defined wrong
3859 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3860
3861 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3862 { check_header dev/bktr/ioctl_meteor.h &&
3863 check_header dev/bktr/ioctl_bt848.h; } ||
3864 { check_header machine/ioctl_meteor.h &&
3865 check_header machine/ioctl_bt848.h; } ||
3866 { check_header dev/video/meteor/ioctl_meteor.h &&
3867 check_header dev/video/bktr/ioctl_bt848.h; } ||
3868 check_header dev/ic/bt8xx.h
3869
3870 check_header sndio.h
3871 check_header sys/soundcard.h
3872 check_header soundcard.h
3873
3874 enabled_any alsa_indev alsa_outdev &&
3875 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3876
3877 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
3878 check_func jack_port_get_latency_range -ljack
3879
3880 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3881
3882 if enabled libcdio; then
3883 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
3884 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio
3885 fi
3886
3887 enabled x11grab &&
3888 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
3889 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3890 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3891
3892 enabled vdpau &&
3893 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3894 disable vdpau
3895
3896 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3897
3898 # add some useful compiler flags if supported
3899 check_cflags -Wdeclaration-after-statement
3900 check_cflags -Wall
3901 check_cflags -Wno-parentheses
3902 check_cflags -Wno-switch
3903 check_cflags -Wno-format-zero-length
3904 check_cflags -Wdisabled-optimization
3905 check_cflags -Wpointer-arith
3906 check_cflags -Wredundant-decls
3907 check_cflags -Wno-pointer-sign
3908 check_cflags -Wcast-qual
3909 check_cflags -Wwrite-strings
3910 check_cflags -Wtype-limits
3911 check_cflags -Wundef
3912 check_cflags -Wmissing-prototypes
3913 check_cflags -Wstrict-prototypes
3914 enabled extra_warnings && check_cflags -Winline
3915
3916 # add some linker flags
3917 check_ldflags -Wl,--warn-common
3918 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3919 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3920
3921 enabled xmm_clobber_test &&
3922 check_ldflags -Wl,--wrap,avcodec_open2 \
3923 -Wl,--wrap,avcodec_decode_audio4 \
3924 -Wl,--wrap,avcodec_decode_video2 \
3925 -Wl,--wrap,avcodec_decode_subtitle2 \
3926 -Wl,--wrap,avcodec_encode_audio2 \
3927 -Wl,--wrap,avcodec_encode_video2 \
3928 -Wl,--wrap,avcodec_encode_subtitle \
3929 -Wl,--wrap,sws_scale ||
3930 disable xmm_clobber_test
3931
3932 echo "X{};" > $TMPV
3933 if test_ldflags -Wl,--version-script,$TMPV; then
3934 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3935 check_cc <<EOF && enable symver_asm_label
3936 void ff_foo(void) __asm__ ("av_foo@VERSION");
3937 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3938 EOF
3939 check_cc <<EOF && enable symver_gnu_asm
3940 __asm__(".symver ff_foo,av_foo@VERSION");
3941 void ff_foo(void) {}
3942 EOF
3943 fi
3944
3945 if [ -z "$optflags" ]; then
3946 if enabled small; then
3947 optflags=$cflags_size
3948 elif enabled optimizations; then
3949 optflags=$cflags_speed
3950 else
3951 optflags=$cflags_noopt
3952 fi
3953 fi
3954
3955 check_optflags(){
3956 check_cflags "$@"
3957 enabled lto && check_ldflags "$@"
3958 }
3959
3960
3961 if enabled lto; then
3962 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
3963 check_cflags -flto
3964 check_ldflags -flto $cpuflags
3965 fi
3966
3967 check_optflags $optflags
3968 check_optflags -fno-math-errno
3969 check_optflags -fno-signed-zeros
3970
3971 if enabled icc; then
3972 # Just warnings, no remarks
3973 check_cflags -w1
3974 # -wd: Disable following warnings
3975 # 144, 167, 556: -Wno-pointer-sign
3976 # 1292: attribute "foo" ignored
3977 # 1419: external declaration in primary source file
3978 # 10006: ignoring unknown option -fno-signed-zeros
3979 # 10148: ignoring unknown option -Wno-parentheses
3980 # 10156: ignoring option '-W'; no argument required
3981 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3982 # 11030: Warning unknown option --as-needed
3983 # 10156: ignoring option '-export'; no argument required
3984 check_ldflags -wd10156,11030
3985 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3986 enable ebp_available
3987 if enabled x86_32; then
3988 icc_version=$($cc -dumpversion)
3989 test ${icc_version%%.*} -ge 11 &&
3990 check_cflags -falign-stack=maintain-16-byte ||
3991 disable aligned_stack
3992 fi
3993 elif enabled ccc; then
3994 # disable some annoying warnings
3995 add_cflags -msg_disable bitnotint
3996 add_cflags -msg_disable mixfuncvoid
3997 add_cflags -msg_disable nonstandcast
3998 add_cflags -msg_disable unsupieee
3999 elif enabled gcc; then
4000 check_optflags -fno-tree-vectorize
4001 check_cflags -Werror=implicit-function-declaration
4002 check_cflags -Werror=missing-prototypes
4003 check_cflags -Werror=return-type
4004 check_cflags -Werror=declaration-after-statement
4005 check_cflags -Werror=vla
4006 enabled extra_warnings || check_cflags -Wno-maybe-uninitialized
4007 elif enabled llvm_gcc; then
4008 check_cflags -mllvm -stack-alignment=16
4009 elif enabled clang; then
4010 check_cflags -mllvm -stack-alignment=16
4011 check_cflags -Qunused-arguments
4012 check_cflags -Werror=implicit-function-declaration
4013 check_cflags -Werror=missing-prototypes
4014 check_cflags -Werror=return-type
4015 elif enabled cparser; then
4016 add_cflags -Wno-missing-variable-declarations
4017 add_cflags -Wno-empty-statement
4018 elif enabled armcc; then
4019 # 2523: use of inline assembler is deprecated
4020 add_cflags -W${armcc_opt},--diag_suppress=2523
4021 add_cflags -W${armcc_opt},--diag_suppress=1207
4022 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4023 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4024 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4025 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4026 elif enabled tms470; then
4027 add_cflags -pds=824 -pds=837
4028 elif enabled pathscale; then
4029 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4030 elif enabled_any msvc icl; then
4031 enabled x86_32 && disable aligned_stack
4032 enabled_all x86_32 debug && add_cflags -Oy-
4033 enabled debug && add_ldflags -debug
4034 enable pragma_deprecated
4035 if enabled icl; then
4036 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4037 # (correctly) on icl 13.x.
4038 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4039 add_cflags -Qansi-alias
4040 # icl will pass the inline asm tests but inline asm is currently
4041 # not supported (build will fail)
4042 disable inline_asm
4043 fi
4044 fi
4045
4046 case $target_os in
4047 osf1)
4048 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4049 ;;
4050 plan9)
4051 add_cppflags -Dmain=plan9_main
4052 ;;
4053 esac
4054
4055 enabled_any $THREADS_LIST && enable threads
4056 enabled_any $ATOMICS_LIST && enable atomics_native
4057
4058 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4059
4060 check_deps $CONFIG_LIST \
4061 $CONFIG_EXTRA \
4062 $HAVE_LIST \
4063 $ALL_COMPONENTS \
4064
4065 ! enabled_any memalign posix_memalign aligned_malloc &&
4066 enabled_any $need_memalign && enable memalign_hack
4067
4068 echo "install prefix $prefix"
4069 echo "source path $source_path"
4070 echo "C compiler $cc"
4071 echo "ARCH $arch ($cpu)"
4072 if test "$build_suffix" != ""; then
4073 echo "build suffix $build_suffix"
4074 fi
4075 if test "$extra_version" != ""; then
4076 echo "version string suffix $extra_version"
4077 fi
4078 echo "big-endian ${bigendian-no}"
4079 echo "runtime cpu detection ${runtime_cpudetect-no}"
4080 if enabled x86; then
4081 echo "${yasmexe} ${yasm-no}"
4082 echo "MMX enabled ${mmx-no}"
4083 echo "MMXEXT enabled ${mmxext-no}"
4084 echo "3DNow! enabled ${amd3dnow-no}"
4085 echo "3DNow! extended enabled ${amd3dnowext-no}"
4086 echo "SSE enabled ${sse-no}"
4087 echo "SSSE3 enabled ${ssse3-no}"
4088 echo "AVX enabled ${avx-no}"
4089 echo "FMA4 enabled ${fma4-no}"
4090 echo "i686 features enabled ${i686-no}"
4091 echo "CMOV is fast ${fast_cmov-no}"
4092 echo "EBX available ${ebx_available-no}"
4093 echo "EBP available ${ebp_available-no}"
4094 fi
4095 if enabled arm; then
4096 echo "ARMv5TE enabled ${armv5te-no}"
4097 echo "ARMv6 enabled ${armv6-no}"
4098 echo "ARMv6T2 enabled ${armv6t2-no}"
4099 echo "VFP enabled ${vfp-no}"
4100 echo "NEON enabled ${neon-no}"
4101 fi
4102 if enabled ppc; then
4103 echo "AltiVec enabled ${altivec-no}"
4104 echo "PPC 4xx optimizations ${ppc4xx-no}"
4105 echo "dcbzl available ${dcbzl-no}"
4106 fi
4107 if enabled sparc; then
4108 echo "VIS enabled ${vis-no}"
4109 fi
4110 echo "debug symbols ${debug-no}"
4111 echo "optimize for size ${small-no}"
4112 echo "optimizations ${optimizations-no}"
4113 echo "static ${static-no}"
4114 echo "shared ${shared-no}"
4115 echo "new filter support ${avfilter-no}"
4116 echo "network support ${network-no}"
4117 echo "threading support ${thread_type-no}"
4118 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4119 echo "SDL support ${sdl-no}"
4120 test -n "$random_seed" &&
4121 echo "random seed ${random_seed}"
4122 echo
4123
4124 echo "External libraries:"
4125 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4126 echo
4127
4128 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4129 echo "Enabled ${type}s:"
4130 eval list=\$$(toupper $type)_LIST
4131 print_enabled '_*' $list | print_3_columns
4132 echo
4133 done
4134
4135 license="LGPL version 2.1 or later"
4136 if enabled nonfree; then
4137 license="nonfree and unredistributable"
4138 elif enabled gplv3; then
4139 license="GPL version 3 or later"
4140 elif enabled lgplv3; then
4141 license="LGPL version 3 or later"
4142 elif enabled gpl; then
4143 license="GPL version 2 or later"
4144 fi
4145
4146 echo "License: $license"
4147
4148 echo "Creating config.mak and config.h..."
4149
4150 test -e Makefile || $ln_s "$source_path/Makefile" .
4151
4152 config_files="$TMPH config.mak"
4153
4154 cat > config.mak <<EOF
4155 # Automatically generated by configure - do not modify!
4156 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
4157 prefix=$prefix
4158 LIBDIR=\$(DESTDIR)$libdir
4159 SHLIBDIR=\$(DESTDIR)$shlibdir
4160 INCDIR=\$(DESTDIR)$incdir
4161 BINDIR=\$(DESTDIR)$bindir
4162 DATADIR=\$(DESTDIR)$datadir
4163 DOCDIR=\$(DESTDIR)$docdir
4164 MANDIR=\$(DESTDIR)$mandir
4165 SRC_PATH=$source_path
4166 CC_IDENT=$cc_ident
4167 ARCH=$arch
4168 CC=$cc
4169 AS=$as
4170 LD=$ld
4171 DEPCC=$dep_cc
4172 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4173 DEPAS=$as
4174 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4175 YASM=$yasmexe
4176 DEPYASM=$yasmexe
4177 AR=$ar
4178 ARFLAGS=$arflags
4179 AR_O=$ar_o
4180 RANLIB=$ranlib
4181 STRIP=$strip
4182 LN_S=$ln_s
4183 CPPFLAGS=$CPPFLAGS
4184 CFLAGS=$CFLAGS
4185 ASFLAGS=$ASFLAGS
4186 AS_C=$AS_C
4187 AS_O=$AS_O
4188 CC_C=$CC_C
4189 CC_E=$CC_E
4190 CC_O=$CC_O
4191 LD_O=$LD_O
4192 LD_LIB=$LD_LIB
4193 LD_PATH=$LD_PATH
4194 DLLTOOL=$dlltool
4195 LDFLAGS=$LDFLAGS
4196 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4197 YASMFLAGS=$YASMFLAGS
4198 BUILDSUF=$build_suffix
4199 FULLNAME=$FULLNAME
4200 LIBPREF=$LIBPREF
4201 LIBSUF=$LIBSUF
4202 LIBNAME=$LIBNAME
4203 SLIBPREF=$SLIBPREF
4204 SLIBSUF=$SLIBSUF
4205 EXESUF=$EXESUF
4206 EXTRA_VERSION=$extra_version
4207 CCDEP=$CCDEP
4208 CCDEP_FLAGS=$CCDEP_FLAGS
4209 ASDEP=$ASDEP
4210 ASDEP_FLAGS=$ASDEP_FLAGS
4211 CC_DEPFLAGS=$CC_DEPFLAGS
4212 AS_DEPFLAGS=$AS_DEPFLAGS
4213 HOSTCC=$host_cc
4214 HOSTLD=$host_ld
4215 HOSTCFLAGS=$host_cflags
4216 HOSTCPPFLAGS=$host_cppflags
4217 HOSTEXESUF=$HOSTEXESUF
4218 HOSTLDFLAGS=$host_ldflags
4219 HOSTLIBS=$host_libs
4220 DEPHOSTCC=$host_cc
4221 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4222 HOSTCCDEP=$HOSTCCDEP
4223 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4224 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4225 HOSTCC_C=$HOSTCC_C
4226 HOSTCC_O=$HOSTCC_O
4227 HOSTLD_O=$HOSTLD_O
4228 TARGET_EXEC=$target_exec $target_exec_args
4229 TARGET_PATH=$target_path
4230 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
4231 LIBS-avplay=$sdl_libs
4232 CFLAGS-avplay=$sdl_cflags
4233 ZLIB=$($ldflags_filter -lz)
4234 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4235 EXTRALIBS=$extralibs
4236 COMPAT_OBJS=$compat_objs
4237 EXEOBJS=$exeobjs
4238 INSTALL=install
4239 LIBTARGET=${LIBTARGET}
4240 SLIBNAME=${SLIBNAME}
4241 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4242 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4243 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4244 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4245 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4246 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4247 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4248 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4249 SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
4250 EOF
4251
4252 get_version(){
4253 lcname=lib${1}
4254 name=$(toupper $lcname)
4255 file=$source_path/$lcname/version.h
4256 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
4257 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4258 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4259 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4260 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
4261 }
4262
4263 map 'get_version $v' $LIBRARY_LIST
4264
4265 cat > $TMPH <<EOF
4266 /* Automatically generated by configure - do not modify! */
4267 #ifndef LIBAV_CONFIG_H
4268 #define LIBAV_CONFIG_H
4269 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
4270 #define LIBAV_LICENSE "$(c_escape $license)"
4271 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4272 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4273 #define restrict $_restrict
4274 #define EXTERN_PREFIX "${extern_prefix}"
4275 #define EXTERN_ASM ${extern_prefix}
4276 #define SLIBSUF "$SLIBSUF"
4277 EOF
4278
4279 test -n "$malloc_prefix" &&
4280 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4281
4282 if enabled yasm; then
4283 append config_files $TMPASM
4284 printf '' >$TMPASM
4285 fi
4286
4287 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
4288
4289 print_config ARCH_ "$config_files" $ARCH_LIST
4290 print_config HAVE_ "$config_files" $HAVE_LIST
4291 print_config CONFIG_ "$config_files" $CONFIG_LIST \
4292 $CONFIG_EXTRA \
4293 $ALL_COMPONENTS \
4294
4295 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
4296
4297 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4298 cp_if_changed $TMPH config.h
4299 touch .config
4300
4301 enabled yasm && cp_if_changed $TMPASM config.asm
4302
4303 cat > $TMPH <<EOF
4304 /* Generated by ffconf */
4305 #ifndef AVUTIL_AVCONFIG_H
4306 #define AVUTIL_AVCONFIG_H
4307 EOF
4308
4309 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4310
4311 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4312
4313 cp_if_changed $TMPH libavutil/avconfig.h
4314
4315 test -n "$WARNINGS" && printf "\n$WARNINGS"
4316
4317 # build pkg-config files
4318
4319 pkgconfig_generate(){
4320 name=$1
4321 shortname=${name#lib}${build_suffix}
4322 comment=$2
4323 version=$3
4324 libs=$4
4325 requires=$5
4326 enabled ${name#lib} || return 0
4327 mkdir -p $name
4328 cat <<EOF > $name/$name.pc
4329 prefix=$prefix
4330 exec_prefix=\${prefix}
4331 libdir=$libdir
4332 includedir=$incdir
4333
4334 Name: $name
4335 Description: $comment
4336 Version: $version
4337 Requires: $(enabled shared || echo $requires)
4338 Requires.private: $(enabled shared && echo $requires)
4339 Conflicts:
4340 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4341 Libs.private: $(enabled shared && echo $libs)
4342 Cflags: -I\${includedir}
4343 EOF
4344 cat <<EOF > $name/$name-uninstalled.pc
4345 prefix=
4346 exec_prefix=
4347 libdir=\${pcfiledir}
4348 includedir=${source_path}
4349
4350 Name: $name
4351 Description: $comment
4352 Version: $version
4353 Requires: $requires
4354 Conflicts:
4355 Libs: \${libdir}/${LIBPREF}${shortname}