5f9eed3cade76b1fead25a069f93041e0bf5c82a
[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 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Help options:
63 --help print this message
64 --list-decoders show all available decoders
65 --list-encoders show all available encoders
66 --list-hwaccels show all available hardware accelerators
67 --list-demuxers show all available demuxers
68 --list-muxers show all available muxers
69 --list-parsers show all available parsers
70 --list-protocols show all available protocols
71 --list-bsfs show all available bitstream filters
72 --list-indevs show all available input devices
73 --list-outdevs show all available output devices
74 --list-filters show all available filters
75
76 Standard options:
77 --logfile=FILE log tests and output to FILE [config.log]
78 --disable-logging do not log configure debug information
79 --prefix=PREFIX install in PREFIX [$prefix]
80 --bindir=DIR install binaries in DIR [PREFIX/bin]
81 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
82 --libdir=DIR install libs in DIR [PREFIX/lib]
83 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
84 --incdir=DIR install includes in DIR [PREFIX/include]
85 --mandir=DIR install man page in DIR [PREFIX/share/man]
86
87 Licensing options:
88 --enable-gpl allow use of GPL code, the resulting libs
89 and binaries will be under GPL [no]
90 --enable-version3 upgrade (L)GPL to version 3 [no]
91 --enable-nonfree allow use of nonfree code, the resulting libs
92 and binaries will be unredistributable [no]
93
94 Configuration options:
95 --disable-static do not build static libraries [no]
96 --enable-shared build shared libraries [no]
97 --enable-small optimize for size instead of speed
98 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101
102 Component options:
103 --disable-doc do not build documentation
104 --disable-avconv disable avconv build
105 --disable-avplay disable avplay build
106 --disable-avprobe disable avprobe build
107 --disable-avserver disable avserver build
108 --disable-avdevice disable libavdevice build
109 --disable-avcodec disable libavcodec build
110 --disable-avformat disable libavformat build
111 --disable-swscale disable libswscale build
112 --disable-avfilter disable video filter support [no]
113 --disable-avresample disable libavresample build [no]
114 --disable-pthreads disable pthreads [auto]
115 --disable-w32threads disable Win32 threads [auto]
116 --enable-x11grab enable X11 grabbing [no]
117 --disable-network disable network support [no]
118 --disable-dct disable DCT code
119 --disable-mdct disable MDCT code
120 --disable-rdft disable RDFT code
121 --disable-fft disable FFT code
122 --enable-dxva2 enable DXVA2 code
123 --enable-vaapi enable VAAPI code
124 --enable-vda enable VDA code
125 --enable-vdpau enable VDPAU code
126
127 Individual component options:
128 --disable-everything disable all components listed below
129 --disable-encoder=NAME disable encoder NAME
130 --enable-encoder=NAME enable encoder NAME
131 --disable-encoders disable all encoders
132 --disable-decoder=NAME disable decoder NAME
133 --enable-decoder=NAME enable decoder NAME
134 --disable-decoders disable all decoders
135 --disable-hwaccel=NAME disable hwaccel NAME
136 --enable-hwaccel=NAME enable hwaccel NAME
137 --disable-hwaccels disable all hwaccels
138 --disable-muxer=NAME disable muxer NAME
139 --enable-muxer=NAME enable muxer NAME
140 --disable-muxers disable all muxers
141 --disable-demuxer=NAME disable demuxer NAME
142 --enable-demuxer=NAME enable demuxer NAME
143 --disable-demuxers disable all demuxers
144 --enable-parser=NAME enable parser NAME
145 --disable-parser=NAME disable parser NAME
146 --disable-parsers disable all parsers
147 --enable-bsf=NAME enable bitstream filter NAME
148 --disable-bsf=NAME disable bitstream filter NAME
149 --disable-bsfs disable all bitstream filters
150 --enable-protocol=NAME enable protocol NAME
151 --disable-protocol=NAME disable protocol NAME
152 --disable-protocols disable all protocols
153 --enable-indev=NAME enable input device NAME
154 --disable-indev=NAME disable input device NAME
155 --disable-indevs disable input devices
156 --enable-outdev=NAME enable output device NAME
157 --disable-outdev=NAME disable output device NAME
158 --disable-outdevs disable output devices
159 --disable-devices disable all devices
160 --enable-filter=NAME enable filter NAME
161 --disable-filter=NAME disable filter NAME
162 --disable-filters disable all filters
163
164 External library support:
165 --enable-avisynth enable reading of AVISynth script files [no]
166 --enable-bzlib enable bzlib [autodetect]
167 --enable-frei0r enable frei0r video filtering
168 --enable-gnutls enable gnutls [no]
169 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
170 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
171 --enable-libopencv enable video filtering via libopencv [no]
172 --enable-libcdio enable audio CD grabbing with libcdio
173 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
174 and libraw1394 [no]
175 --enable-libfaac enable FAAC support via libfaac [no]
176 --enable-libfreetype enable libfreetype [no]
177 --enable-libgsm enable GSM support via libgsm [no]
178 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
179 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
180 --enable-libpulse enable Pulseaudio input via libpulse [no]
181 --enable-librtmp enable RTMP[E] support via librtmp [no]
182 --enable-libschroedinger enable Dirac support via libschroedinger [no]
183 --enable-libspeex enable Speex support via libspeex [no]
184 --enable-libtheora enable Theora encoding via libtheora [no]
185 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
186 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
187 --enable-libvorbis enable Vorbis encoding via libvorbis,
188 native implementation exists [no]
189 --enable-libvpx enable VP8 support via libvpx [no]
190 --enable-libx264 enable H.264 encoding via x264 [no]
191 --enable-libxavs enable AVS encoding via xavs [no]
192 --enable-libxvid enable Xvid encoding via xvidcore,
193 native MPEG-4/Xvid encoder exists [no]
194 --enable-openssl enable openssl [no]
195 --enable-zlib enable zlib [autodetect]
196
197 Advanced options (experts only):
198 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
199 --enable-cross-compile assume a cross-compiler is used
200 --sysroot=PATH root of cross-build tree
201 --sysinclude=PATH location of cross-build system headers
202 --target-os=OS compiler targets OS [$target_os]
203 --target-exec=CMD command to run executables on target
204 --target-path=DIR path to view of build directory on target
205 --nm=NM use nm tool
206 --ar=AR use archive tool AR [$ar_default]
207 --as=AS use assembler AS [$as_default]
208 --cc=CC use C compiler CC [$cc_default]
209 --ld=LD use linker LD
210 --host-cc=HOSTCC use host C compiler HOSTCC
211 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
212 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
213 --host-libs=HLIBS use libs HLIBS when linking for host
214 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
215 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
216 --extra-libs=ELIBS add ELIBS [$ELIBS]
217 --extra-version=STRING version string suffix []
218 --optflags override optimization-related compiler flags
219 --build-suffix=SUFFIX library name suffix []
220 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
221 --arch=ARCH select architecture [$arch]
222 --cpu=CPU select the minimum required CPU (affects
223 instruction selection, may crash on older CPUs)
224 --enable-pic build position-independent code
225 --enable-sram allow use of on-chip SRAM
226 --disable-symver disable symbol versioning
227 --disable-fastdiv disable table-based division
228 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
229 --disable-safe-bitstream-reader
230 disable buffer boundary checking in bitreaders
231 (faster, but may crash)
232 --enable-memalign-hack emulate memalign, interferes with memory debuggers
233
234 Optimization options (experts only):
235 --disable-asm disable all assembler optimizations
236 --disable-altivec disable AltiVec optimizations
237 --disable-amd3dnow disable 3DNow! optimizations
238 --disable-amd3dnowext disable 3DNow! extended optimizations
239 --disable-mmx disable MMX optimizations
240 --disable-mmx2 disable MMX2 optimizations
241 --disable-sse disable SSE optimizations
242 --disable-ssse3 disable SSSE3 optimizations
243 --disable-avx disable AVX optimizations
244 --disable-armv5te disable armv5te optimizations
245 --disable-armv6 disable armv6 optimizations
246 --disable-armv6t2 disable armv6t2 optimizations
247 --disable-armvfp disable ARM VFP optimizations
248 --disable-mmi disable MMI optimizations
249 --disable-neon disable NEON optimizations
250 --disable-vis disable VIS optimizations
251 --disable-yasm disable use of yasm assembler
252
253 Developer options (useful when working on Libav itself):
254 --disable-debug disable debugging symbols
255 --enable-debug=LEVEL set the debug level [$debuglevel]
256 --disable-optimizations disable compiler optimizations
257 --enable-extra-warnings enable more compiler warnings
258 --samples=PATH location of test samples for FATE, if not set use
259 \$LIBAV_SAMPLES at make invocation time.
260 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
261 should be used only for debugging purposes)
262
263 NOTE: Object files are built at the place where configure is launched.
264 EOF
265 exit 0
266 }
267
268 quotes='""'
269
270 log(){
271 echo "$@" >> $logfile
272 }
273
274 log_file(){
275 log BEGIN $1
276 pr -n -t $1 >> $logfile
277 log END $1
278 }
279
280 echolog(){
281 log "$@"
282 echo "$@"
283 }
284
285 warn(){
286 log "WARNING: $*"
287 WARNINGS="${WARNINGS}WARNING: $*\n"
288 }
289
290 die(){
291 echolog "$@"
292 cat <<EOF
293
294 If you think configure made a mistake, make sure you are using the latest
295 version from Git. If the latest version fails, report the problem to the
296 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
297 EOF
298 if disabled logging; then
299 cat <<EOF
300 Rerun configure with logging enabled (do not use --disable-logging), and
301 include the log this produces with your report.
302 EOF
303 else
304 cat <<EOF
305 Include the log file "$logfile" produced by configure as this will help
306 solving the problem.
307 EOF
308 fi
309 exit 1
310 }
311
312 # Avoid locale weirdness, besides we really just want to translate ASCII.
313 toupper(){
314 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
315 }
316
317 tolower(){
318 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
319 }
320
321 c_escape(){
322 echo "$*" | sed 's/["\\]/\\\0/g'
323 }
324
325 sh_quote(){
326 v=$(echo "$1" | sed "s/'/'\\\\''/g")
327 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
328 echo "$v"
329 }
330
331 cleanws(){
332 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
333 }
334
335 filter(){
336 pat=$1
337 shift
338 for v; do
339 eval "case $v in $pat) echo $v ;; esac"
340 done
341 }
342
343 filter_out(){
344 pat=$1
345 shift
346 for v; do
347 eval "case $v in $pat) ;; *) echo $v ;; esac"
348 done
349 }
350
351 map(){
352 m=$1
353 shift
354 for v; do eval $m; done
355 }
356
357 set_all(){
358 value=$1
359 shift
360 for var in $*; do
361 eval $var=$value
362 done
363 }
364
365 set_weak(){
366 value=$1
367 shift
368 for var; do
369 eval : \${$var:=$value}
370 done
371 }
372
373 set_safe(){
374 var=$1
375 shift
376 eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
377 }
378
379 get_safe(){
380 eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
381 }
382
383 pushvar(){
384 for var in $*; do
385 eval level=\${${var}_level:=0}
386 eval ${var}_${level}="\$$var"
387 eval ${var}_level=$(($level+1))
388 done
389 }
390
391 popvar(){
392 for var in $*; do
393 eval level=\${${var}_level:-0}
394 test $level = 0 && continue
395 eval level=$(($level-1))
396 eval $var="\${${var}_${level}}"
397 eval ${var}_level=$level
398 eval unset ${var}_${level}
399 done
400 }
401
402 enable(){
403 set_all yes $*
404 }
405
406 disable(){
407 set_all no $*
408 }
409
410 enable_weak(){
411 set_weak yes $*
412 }
413
414 disable_weak(){
415 set_weak no $*
416 }
417
418 enable_safe(){
419 for var; do
420 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
421 done
422 }
423
424 disable_safe(){
425 for var; do
426 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
427 done
428 }
429
430 do_enable_deep(){
431 for var; do
432 enabled $var && continue
433 eval sel="\$${var}_select"
434 eval sgs="\$${var}_suggest"
435 pushvar var sgs
436 enable_deep $sel
437 popvar sgs
438 enable_deep_weak $sgs
439 popvar var
440 done
441 }
442
443 enable_deep(){
444 do_enable_deep $*
445 enable $*
446 }
447
448 enable_deep_weak(){
449 do_enable_deep $*
450 enable_weak $*
451 }
452
453 enabled(){
454 test "${1#!}" = "$1" && op== || op=!=
455 eval test "x\$${1#!}" $op "xyes"
456 }
457
458 disabled(){
459 test "${1#!}" = "$1" && op== || op=!=
460 eval test "x\$${1#!}" $op "xno"
461 }
462
463 enabled_all(){
464 for opt; do
465 enabled $opt || return 1
466 done
467 }
468
469 disabled_all(){
470 for opt; do
471 disabled $opt || return 1
472 done
473 }
474
475 enabled_any(){
476 for opt; do
477 enabled $opt && return 0
478 done
479 }
480
481 disabled_any(){
482 for opt; do
483 disabled $opt && return 0
484 done
485 return 1
486 }
487
488 set_default(){
489 for opt; do
490 eval : \${$opt:=\$${opt}_default}
491 done
492 }
493
494 is_in(){
495 value=$1
496 shift
497 for var in $*; do
498 [ $var = $value ] && return 0
499 done
500 return 1
501 }
502
503 check_deps(){
504 for cfg; do
505 cfg="${cfg#!}"
506 enabled ${cfg}_checking && die "Circular dependency for $cfg."
507 disabled ${cfg}_checking && continue
508 enable ${cfg}_checking
509
510 eval dep_all="\$${cfg}_deps"
511 eval dep_any="\$${cfg}_deps_any"
512 eval dep_sel="\$${cfg}_select"
513 eval dep_sgs="\$${cfg}_suggest"
514 eval dep_ifa="\$${cfg}_if"
515 eval dep_ifn="\$${cfg}_if_any"
516
517 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
518 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
519 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
520
521 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
522 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
523 enabled_all $dep_all || disable $cfg
524 enabled_any $dep_any || disable $cfg
525 disabled_any $dep_sel && disable $cfg
526
527 if enabled $cfg; then
528 eval dep_extralibs="\$${cfg}_extralibs"
529 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
530 enable_deep $dep_sel
531 enable_deep_weak $dep_sgs
532 fi
533
534 disable ${cfg}_checking
535 done
536 }
537
538 print_config_h(){
539 enabled $1 && v=1 || v=0
540 echo "#define $2 $v"
541 }
542
543 print_config_mak(){
544 enabled $1 && v= || v=!
545 echo "$v$2=yes"
546 }
547
548 print_config_asm(){
549 enabled $1 && v=1 || v=0
550 echo "%define $2 $v"
551 }
552
553 print_config(){
554 pfx=$1
555 files=$2
556 shift 2
557 for cfg; do
558 ucname="$(toupper $cfg)"
559 for f in $files; do
560 "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
561 done
562 done
563 }
564
565 print_enabled(){
566 test "$1" = -n && end=" " && shift || end="\n"
567 suf=$1
568 shift
569 for v; do
570 enabled $v && printf "%s$end" ${v%$suf};
571 done
572 }
573
574 append(){
575 var=$1
576 shift
577 eval "$var=\"\$$var $*\""
578 }
579
580 prepend(){
581 var=$1
582 shift
583 eval "$var=\"$* \$$var\""
584 }
585
586 add_cppflags(){
587 append CPPFLAGS $($filter_cppflags "$@")
588 }
589
590 add_cflags(){
591 append CFLAGS $($filter_cflags "$@")
592 }
593
594 add_asflags(){
595 append ASFLAGS $($filter_asflags "$@")
596 }
597
598 add_ldflags(){
599 append LDFLAGS "$@"
600 }
601
602 add_extralibs(){
603 prepend extralibs "$@"
604 }
605
606 check_cmd(){
607 log "$@"
608 "$@" >> $logfile 2>&1
609 }
610
611 check_cc(){
612 log check_cc "$@"
613 cat > $TMPC
614 log_file $TMPC
615 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
616 }
617
618 check_cpp(){
619 log check_cpp "$@"
620 cat > $TMPC
621 log_file $TMPC
622 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
623 }
624
625 check_as(){
626 log check_as "$@"
627 cat > $TMPC
628 log_file $TMPC
629 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
630 }
631
632 check_asm(){
633 log check_asm "$@"
634 name="$1"
635 code="$2"
636 shift 2
637 disable $name
638 check_as "$@" <<EOF && enable $name
639 void foo(void){ __asm__ volatile($code); }
640 EOF
641 }
642
643 check_yasm(){
644 log check_yasm "$@"
645 echo "$1" > $TMPS
646 log_file $TMPS
647 shift 1
648 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
649 }
650
651 check_ld(){
652 log check_ld "$@"
653 flags=''
654 libs=''
655 for f; do
656 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
657 done
658 check_cc $($filter_cflags $flags) || return
659 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
660 }
661
662 check_cppflags(){
663 log check_cppflags "$@"
664 set -- $($filter_cppflags "$@")
665 check_cc "$@" <<EOF && append CPPFLAGS "$@"
666 int x;
667 EOF
668 }
669
670 check_cflags(){
671 log check_cflags "$@"
672 set -- $($filter_cflags "$@")
673 check_cc "$@" <<EOF && append CFLAGS "$@"
674 int x;
675 EOF
676 }
677
678 test_ldflags(){
679 log test_ldflags "$@"
680 check_ld "$@" <<EOF
681 int main(void){ return 0; }
682 EOF
683 }
684
685 check_ldflags(){
686 log check_ldflags "$@"
687 test_ldflags "$@" && add_ldflags "$@"
688 }
689
690 check_header(){
691 log check_header "$@"
692 header=$1
693 shift
694 disable_safe $header
695 check_cpp "$@" <<EOF && enable_safe $header
696 #include <$header>
697 int x;
698 EOF
699 }
700
701 check_func(){
702 log check_func "$@"
703 func=$1
704 shift
705 disable $func
706 check_ld "$@" <<EOF && enable $func
707 extern int $func();
708 int main(void){ $func(); }
709 EOF
710 }
711
712 check_mathfunc(){
713 log check_mathfunc "$@"
714 func=$1
715 shift
716 disable $func
717 check_ld "$@" <<EOF && enable $func
718 #include <math.h>
719 float foo(float f) { return $func(f); }
720 int main(void){ return 0; }
721 EOF
722 }
723
724 check_func_headers(){
725 log check_func_headers "$@"
726 headers=$1
727 funcs=$2
728 shift 2
729 {
730 for hdr in $headers; do
731 echo "#include <$hdr>"
732 done
733 for func in $funcs; do
734 echo "long check_$func(void) { return (long) $func; }"
735 done
736 echo "int main(void) { return 0; }"
737 } | check_ld "$@" && enable $funcs && enable_safe $headers
738 }
739
740 check_cpp_condition(){
741 log check_cpp_condition "$@"
742 header=$1
743 condition=$2
744 shift 2
745 check_cpp $($filter_cppflags "$@") <<EOF
746 #include <$header>
747 #if !($condition)
748 #error "unsatisfied condition: $condition"
749 #endif
750 EOF
751 }
752
753 check_lib(){
754 log check_lib "$@"
755 header="$1"
756 func="$2"
757 shift 2
758 check_header $header && check_func $func "$@" && add_extralibs "$@"
759 }
760
761 check_lib2(){
762 log check_lib2 "$@"
763 headers="$1"
764 funcs="$2"
765 shift 2
766 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
767 }
768
769 check_pkg_config(){
770 log check_pkg_config "$@"
771 pkg="$1"
772 headers="$2"
773 funcs="$3"
774 shift 3
775 $pkg_config --exists $pkg || return
776 pkg_cflags=$($pkg_config --cflags $pkg)
777 pkg_libs=$($pkg_config --libs $pkg)
778 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
779 set_safe ${pkg}_cflags $pkg_cflags &&
780 set_safe ${pkg}_libs $pkg_libs
781 }
782
783 check_exec(){
784 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
785 }
786
787 check_exec_crash(){
788 code=$(cat)
789
790 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
791 # are safe but may not be available everywhere. Thus we use
792 # raise(SIGTERM) instead. The check is run in a subshell so we
793 # can redirect the "Terminated" message from the shell. SIGBUS
794 # is not defined by standard C so it is used conditionally.
795
796 (check_exec "$@") >> $logfile 2>&1 <<EOF
797 #include <signal.h>
798 static void sighandler(int sig){
799 raise(SIGTERM);
800 }
801 int main(void){
802 signal(SIGILL, sighandler);
803 signal(SIGFPE, sighandler);
804 signal(SIGSEGV, sighandler);
805 #ifdef SIGBUS
806 signal(SIGBUS, sighandler);
807 #endif
808 { $code }
809 }
810 EOF
811 }
812
813 check_type(){
814 log check_type "$@"
815 headers=$1
816 type=$2
817 shift 2
818 disable_safe "$type"
819 incs=""
820 for hdr in $headers; do
821 incs="$incs
822 #include <$hdr>"
823 done
824 check_cc "$@" <<EOF && enable_safe "$type"
825 $incs
826 $type v;
827 EOF
828 }
829
830 check_struct(){
831 log check_type "$@"
832 headers=$1
833 struct=$2
834 member=$3
835 shift 3
836 disable_safe "${struct}_${member}"
837 incs=""
838 for hdr in $headers; do
839 incs="$incs
840 #include <$hdr>"
841 done
842 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
843 $incs
844 const void *p = &(($struct *)0)->$member;
845 EOF
846 }
847
848 require(){
849 name="$1"
850 header="$2"
851 func="$3"
852 shift 3
853 check_lib $header $func "$@" || die "ERROR: $name not found"
854 }
855
856 require2(){
857 name="$1"
858 headers="$2"
859 func="$3"
860 shift 3
861 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
862 }
863
864 require_pkg_config(){
865 pkg="$1"
866 check_pkg_config "$@" || die "ERROR: $pkg not found"
867 add_cflags $(get_safe ${pkg}_cflags)
868 add_extralibs $(get_safe ${pkg}_libs)
869 }
870
871 check_host_cc(){
872 log check_host_cc "$@"
873 cat > $TMPC
874 log_file $TMPC
875 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
876 }
877
878 check_host_cflags(){
879 log check_host_cflags "$@"
880 check_host_cc "$@" <<EOF && append host_cflags "$@"
881 int x;
882 EOF
883 }
884
885 apply(){
886 file=$1
887 shift
888 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
889 }
890
891 cp_if_changed(){
892 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
893 mkdir -p "$(dirname $2)"
894 cp -f "$1" "$2"
895 }
896
897 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
898 # system-dependent things.
899
900 COMPONENT_LIST="
901 bsfs
902 decoders
903 demuxers
904 encoders
905 filters
906 hwaccels
907 indevs
908 muxers
909 outdevs
910 parsers
911 protocols
912 "
913
914 PROGRAM_LIST="
915 avconv
916 avplay
917 avprobe
918 avserver
919 "
920
921 CONFIG_LIST="
922 $COMPONENT_LIST
923 $PROGRAM_LIST
924 ac3dsp
925 avcodec
926 avdevice
927 avfilter
928 avformat
929 avresample
930 avisynth
931 bzlib
932 dct
933 doc
934 dwt
935 dxva2
936 fastdiv
937 fft
938 frei0r
939 gnutls
940 gpl
941 gray
942 hardcoded_tables
943 libcdio
944 libdc1394
945 libfaac
946 libfreetype
947 libgsm
948 libmp3lame
949 libopencore_amrnb
950 libopencore_amrwb
951 libopencv
952 libopenjpeg
953 libpulse
954 librtmp
955 libschroedinger
956 libspeex
957 libtheora
958 libvo_aacenc
959 libvo_amrwbenc
960 libvorbis
961 libvpx
962 libx264
963 libxavs
964 libxvid
965 lsp
966 mdct
967 memalign_hack
968 mpegaudiodsp
969 network
970 nonfree
971 openssl
972 pic
973 rdft
974 rtpdec
975 runtime_cpudetect
976 safe_bitstream_reader
977 shared
978 sinewin
979 small
980 sram
981 static
982 swscale
983 swscale_alpha
984 thumb
985 vaapi
986 vda
987 vdpau
988 version3
989 xmm_clobber_test
990 x11grab
991 zlib
992 "
993
994 THREADS_LIST='
995 pthreads
996 w32threads
997 '
998
999 ARCH_LIST='
1000 alpha
1001 arm
1002 avr32
1003 avr32_ap
1004 avr32_uc
1005 bfin
1006 ia64
1007 m68k
1008 mips
1009 mips64
1010 parisc
1011 ppc
1012 ppc64
1013 s390
1014 sh4
1015 sparc
1016 sparc64
1017 tomi
1018 x86
1019 x86_32
1020 x86_64
1021 '
1022
1023 ARCH_EXT_LIST='
1024 altivec
1025 amd3dnow
1026 amd3dnowext
1027 armv5te
1028 armv6
1029 armv6t2
1030 armvfp
1031 avx
1032 mmi
1033 mmx
1034 mmx2
1035 neon
1036 ppc4xx
1037 sse
1038 ssse3
1039 vfpv3
1040 vis
1041 '
1042
1043 HAVE_LIST_PUB='
1044 bigendian
1045 fast_unaligned
1046 '
1047
1048 HAVE_LIST="
1049 $ARCH_EXT_LIST
1050 $HAVE_LIST_PUB
1051 $THREADS_LIST
1052 aligned_stack
1053 alsa_asoundlib_h
1054 altivec_h
1055 arpa_inet_h
1056 asm_mod_y
1057 attribute_may_alias
1058 attribute_packed
1059 closesocket
1060 cmov
1061 dcbzl
1062 dev_bktr_ioctl_bt848_h
1063 dev_bktr_ioctl_meteor_h
1064 dev_ic_bt8xx_h
1065 dev_video_bktr_ioctl_bt848_h
1066 dev_video_meteor_ioctl_meteor_h
1067 dlfcn_h
1068 dlopen
1069 dos_paths
1070 ebp_available
1071 ebx_available
1072 exp2
1073 exp2f
1074 fast_64bit
1075 fast_clz
1076 fast_cmov
1077 fcntl
1078 fork
1079 getaddrinfo
1080 gethrtime
1081 GetProcessAffinityMask
1082 GetProcessMemoryInfo
1083 GetProcessTimes
1084 getrusage
1085 gnu_as
1086 ibm_asm
1087 inet_aton
1088 inline_asm
1089 isatty
1090 jack_port_get_latency_range
1091 ldbrx
1092 libdc1394_1
1093 libdc1394_2
1094 llrint
1095 llrintf
1096 local_aligned_16
1097 local_aligned_8
1098 localtime_r
1099 log2
1100 log2f
1101 loongson
1102 lrint
1103 lrintf
1104 machine_ioctl_bt848_h
1105 machine_ioctl_meteor_h
1106 malloc_h
1107 MapViewOfFile
1108 memalign
1109 mkstemp
1110 mmap
1111 netinet_sctp_h
1112 poll_h
1113 posix_memalign
1114 round
1115 roundf
1116 sched_getaffinity
1117 sdl
1118 sdl_video_size
1119 setmode
1120 setrlimit
1121 sndio_h
1122 socklen_t
1123 soundcard_h
1124 strerror_r
1125 strptime
1126 strtok_r
1127 struct_addrinfo
1128 struct_ipv6_mreq
1129 struct_rusage_ru_maxrss
1130 struct_sockaddr_in6
1131 struct_sockaddr_sa_len
1132 struct_sockaddr_storage
1133 struct_v4l2_frmivalenum_discrete
1134 symver
1135 symver_asm_label
1136 symver_gnu_asm
1137 sysconf
1138 sysctl
1139 sys_mman_h
1140 sys_param_h
1141 sys_resource_h
1142 sys_select_h
1143 sys_soundcard_h
1144 sys_videoio_h
1145 threads
1146 trunc
1147 truncf
1148 vfp_args
1149 VirtualAlloc
1150 winsock2_h
1151 xform_asm
1152 xmm_clobbers
1153 yasm
1154 "
1155
1156 # options emitted with CONFIG_ prefix but not available on command line
1157 CONFIG_EXTRA="
1158 aandct
1159 avutil
1160 golomb
1161 gplv3
1162 h264chroma
1163 h264dsp
1164 h264pred
1165 h264qpel
1166 huffman
1167 lgplv3
1168 lpc
1169 "
1170
1171 CMDLINE_SELECT="
1172 $ARCH_EXT_LIST
1173 $CONFIG_LIST
1174 $THREADS_LIST
1175 asm
1176 cross_compile
1177 debug
1178 extra_warnings
1179 logging
1180 optimizations
1181 symver
1182 yasm
1183 "
1184
1185 PATHS_LIST='
1186 bindir
1187 datadir
1188 incdir
1189 libdir
1190 mandir
1191 prefix
1192 shlibdir
1193 '
1194
1195 CMDLINE_SET="
1196 $PATHS_LIST
1197 ar
1198 arch
1199 as
1200 build_suffix
1201 cc
1202 cpu
1203 cross_prefix
1204 dep_cc
1205 extra_version
1206 host_cc
1207 host_cflags
1208 host_ldflags
1209 host_libs
1210 host_os
1211 ld
1212 logfile
1213 malloc_prefix
1214 nm
1215 optflags
1216 pkg_config
1217 samples
1218 sysinclude
1219 sysroot
1220 target_exec
1221 target_os
1222 target_path
1223 "
1224
1225 CMDLINE_APPEND="
1226 extra_cflags
1227 "
1228
1229 # code dependency declarations
1230
1231 # architecture extensions
1232
1233 armv5te_deps="arm"
1234 armv6_deps="arm"
1235 armv6t2_deps="arm"
1236 armvfp_deps="arm"
1237 neon_deps="arm"
1238 vfpv3_deps="armvfp"
1239
1240 mmi_deps="mips"
1241
1242 altivec_deps="ppc"
1243 ppc4xx_deps="ppc"
1244
1245 vis_deps="sparc"
1246
1247 x86_64_suggest="cmov fast_cmov"
1248 amd3dnow_deps="mmx"
1249 amd3dnowext_deps="amd3dnow"
1250 mmx_deps="x86"
1251 mmx2_deps="mmx"
1252 sse_deps="mmx"
1253 ssse3_deps="sse"
1254 avx_deps="ssse3"
1255
1256 aligned_stack_if_any="ppc x86"
1257 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1258 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1259 fast_unaligned_if_any="armv6 ppc x86"
1260
1261 inline_asm_deps="!tms470"
1262 need_memalign="altivec neon sse"
1263
1264 symver_if_any="symver_asm_label symver_gnu_asm"
1265
1266 # subsystems
1267 dct_select="rdft"
1268 mdct_select="fft"
1269 rdft_select="fft"
1270 mpegaudiodsp_select="dct"
1271
1272 # decoders / encoders / hardware accelerators
1273 aac_decoder_select="mdct sinewin"
1274 aac_encoder_select="mdct sinewin"
1275 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1276 ac3_decoder_select="mdct ac3dsp ac3_parser"
1277 ac3_encoder_select="mdct ac3dsp"
1278 ac3_fixed_encoder_select="mdct ac3dsp"
1279 alac_encoder_select="lpc"
1280 amrnb_decoder_select="lsp"
1281 amrwb_decoder_select="lsp"
1282 atrac1_decoder_select="mdct sinewin"
1283 atrac3_decoder_select="mdct"
1284 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1285 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1286 cavs_decoder_select="golomb"
1287 cook_decoder_select="mdct sinewin"
1288 cscd_decoder_suggest="zlib"
1289 dca_decoder_select="mdct"
1290 dnxhd_encoder_select="aandct"
1291 dxa_decoder_select="zlib"
1292 eac3_decoder_select="ac3_decoder"
1293 eac3_encoder_select="mdct ac3dsp"
1294 eamad_decoder_select="aandct"
1295 eatgq_decoder_select="aandct"
1296 eatqi_decoder_select="aandct"
1297 ffv1_decoder_select="golomb"
1298 flac_decoder_select="golomb"
1299 flac_encoder_select="golomb lpc"
1300 flashsv_decoder_select="zlib"
1301 flashsv_encoder_select="zlib"
1302 flashsv2_decoder_select="zlib"
1303 flv_decoder_select="h263_decoder"
1304 flv_encoder_select="h263_encoder"
1305 fraps_decoder_select="huffman"
1306 h261_encoder_select="aandct"
1307 h263_decoder_select="h263_parser"
1308 h263_encoder_select="aandct"
1309 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1310 h263i_decoder_select="h263_decoder"
1311 h263p_encoder_select="h263_encoder"
1312 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1313 h264_dxva2_hwaccel_deps="dxva2api_h"
1314 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1315 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1316 h264_vda_hwaccel_select="vda h264_decoder"
1317 h264_vdpau_decoder_select="vdpau h264_decoder"
1318 iac_decoder_select="fft mdct sinewin"
1319 imc_decoder_select="fft mdct sinewin"
1320 jpegls_decoder_select="golomb"
1321 jpegls_encoder_select="golomb"
1322 ljpeg_encoder_select="aandct"
1323 loco_decoder_select="golomb"
1324 mjpeg_encoder_select="aandct"
1325 mlp_decoder_select="mlp_parser"
1326 mp1_decoder_select="mpegaudiodsp"
1327 mp1float_decoder_select="mpegaudiodsp"
1328 mp2_decoder_select="mpegaudiodsp"
1329 mp2float_decoder_select="mpegaudiodsp"
1330 mp3_decoder_select="mpegaudiodsp"
1331 mp3adu_decoder_select="mpegaudiodsp"
1332 mp3adufloat_decoder_select="mpegaudiodsp"
1333 mp3float_decoder_select="mpegaudiodsp"
1334 mp3on4_decoder_select="mpegaudiodsp"
1335 mp3on4float_decoder_select="mpegaudiodsp"
1336 mpc7_decoder_select="mpegaudiodsp"
1337 mpc8_decoder_select="mpegaudiodsp"
1338 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1339 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1340 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1341 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1342 mpeg1video_encoder_select="aandct"
1343 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1344 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1345 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1346 mpeg2video_encoder_select="aandct"
1347 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1348 mpeg4_encoder_select="h263_encoder"
1349 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1350 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1351 msmpeg4v1_decoder_select="h263_decoder"
1352 msmpeg4v1_encoder_select="h263_encoder"
1353 msmpeg4v2_decoder_select="h263_decoder"
1354 msmpeg4v2_encoder_select="h263_encoder"
1355 msmpeg4v3_decoder_select="h263_decoder"
1356 msmpeg4v3_encoder_select="h263_encoder"
1357 nellymoser_decoder_select="mdct sinewin"
1358 nellymoser_encoder_select="mdct sinewin"
1359 png_decoder_select="zlib"
1360 png_encoder_select="zlib"
1361 qcelp_decoder_select="lsp"
1362 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1363 ra_144_encoder_select="lpc"
1364 ralf_decoder_select="golomb"
1365 rv10_decoder_select="h263_decoder"
1366 rv10_encoder_select="h263_encoder"
1367 rv20_decoder_select="h263_decoder"
1368 rv20_encoder_select="h263_encoder"
1369 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1370 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1371 shorten_decoder_select="golomb"
1372 sipr_decoder_select="lsp"
1373 snow_decoder_select="dwt"
1374 snow_encoder_select="aandct dwt"
1375 svq1_encoder_select="aandct"
1376 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1377 svq3_decoder_suggest="zlib"
1378 theora_decoder_select="vp3_decoder"
1379 tiff_decoder_suggest="zlib"
1380 tiff_encoder_suggest="zlib"
1381 truehd_decoder_select="mlp_decoder"
1382 tscc_decoder_select="zlib"
1383 twinvq_decoder_select="mdct lsp sinewin"
1384 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1385 vc1_dxva2_hwaccel_deps="dxva2api_h"
1386 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1387 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1388 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1389 vc1image_decoder_select="vc1_decoder"
1390 vorbis_decoder_select="mdct"
1391 vorbis_encoder_select="mdct"
1392 vp6_decoder_select="huffman"
1393 vp6a_decoder_select="vp6_decoder"
1394 vp6f_decoder_select="vp6_decoder"
1395 vp8_decoder_select="h264pred h264qpel"
1396 wmapro_decoder_select="mdct sinewin"
1397 wmav1_decoder_select="mdct sinewin"
1398 wmav1_encoder_select="mdct sinewin"
1399 wmav2_decoder_select="mdct sinewin"
1400 wmav2_encoder_select="mdct sinewin"
1401 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1402 wmv1_decoder_select="h263_decoder"
1403 wmv1_encoder_select="h263_encoder"
1404 wmv2_decoder_select="h263_decoder"
1405 wmv2_encoder_select="h263_encoder"
1406 wmv3_decoder_select="vc1_decoder"
1407 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1408 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1409 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1410 wmv3image_decoder_select="wmv3_decoder"
1411 zerocodec_decoder_select="zlib"
1412 zlib_decoder_select="zlib"
1413 zlib_encoder_select="zlib"
1414 zmbv_decoder_select="zlib"
1415 zmbv_encoder_select="zlib"
1416
1417 vaapi_deps="va_va_h"
1418 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1419 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1420
1421 # parsers
1422 h264_parser_select="golomb h264dsp h264pred"
1423
1424 # external libraries
1425 libfaac_encoder_deps="libfaac"
1426 libgsm_decoder_deps="libgsm"
1427 libgsm_encoder_deps="libgsm"
1428 libgsm_ms_decoder_deps="libgsm"
1429 libgsm_ms_encoder_deps="libgsm"
1430 libmp3lame_encoder_deps="libmp3lame"
1431 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1432 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1433 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1434 libopenjpeg_decoder_deps="libopenjpeg"
1435 libschroedinger_decoder_deps="libschroedinger"
1436 libschroedinger_encoder_deps="libschroedinger"
1437 libspeex_decoder_deps="libspeex"
1438 libspeex_encoder_deps="libspeex"
1439 libtheora_encoder_deps="libtheora"
1440 libvo_aacenc_encoder_deps="libvo_aacenc"
1441 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1442 libvorbis_encoder_deps="libvorbis"
1443 libvpx_decoder_deps="libvpx"
1444 libvpx_encoder_deps="libvpx"
1445 libx264_encoder_deps="libx264"
1446 libxavs_encoder_deps="libxavs"
1447 libxvid_encoder_deps="libxvid"
1448
1449 # demuxers / muxers
1450 ac3_demuxer_select="ac3_parser"
1451 asf_stream_muxer_select="asf_muxer"
1452 avisynth_demuxer_deps="avisynth"
1453 dirac_demuxer_select="dirac_parser"
1454 eac3_demuxer_select="ac3_parser"
1455 flac_demuxer_select="flac_parser"
1456 ipod_muxer_select="mov_muxer"
1457 matroska_audio_muxer_select="matroska_muxer"
1458 matroska_demuxer_suggest="zlib bzlib"
1459 mov_demuxer_suggest="zlib"
1460 mp3_demuxer_select="mpegaudio_parser"
1461 mp4_muxer_select="mov_muxer"
1462 mpegts_muxer_select="adts_muxer latm_muxer"
1463 mpegtsraw_demuxer_select="mpegts_demuxer"
1464 mxf_d10_muxer_select="mxf_muxer"
1465 ogg_demuxer_select="golomb"
1466 psp_muxer_select="mov_muxer"
1467 rtp_demuxer_select="sdp_demuxer"
1468 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1469 rtsp_demuxer_select="http_protocol rtpdec"
1470 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1471 sap_demuxer_select="sdp_demuxer"
1472 sap_muxer_select="rtp_muxer rtp_protocol"
1473 sdp_demuxer_select="rtpdec"
1474 spdif_muxer_select="aac_parser"
1475 tg2_muxer_select="mov_muxer"
1476 tgp_muxer_select="mov_muxer"
1477 w64_demuxer_deps="wav_demuxer"
1478
1479 # indevs / outdevs
1480 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1481 alsa_outdev_deps="alsa_asoundlib_h"
1482 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1483 dv1394_indev_deps="dv1394 dv_demuxer"
1484 fbdev_indev_deps="linux_fb_h"
1485 jack_indev_deps="jack_jack_h"
1486 libcdio_indev_deps="libcdio"
1487 libdc1394_indev_deps="libdc1394"
1488 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1489 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1490 pulse_indev_deps="libpulse"
1491 sndio_indev_deps="sndio_h"
1492 sndio_outdev_deps="sndio_h"
1493 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1494 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1495 vfwcap_indev_extralibs="-lavicap32"
1496 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1497
1498 # protocols
1499 gopher_protocol_deps="network"
1500 httpproxy_protocol_deps="network"
1501 httpproxy_protocol_select="tcp_protocol"
1502 http_protocol_deps="network"
1503 http_protocol_select="tcp_protocol"
1504 https_protocol_select="tls_protocol"
1505 librtmp_protocol_deps="librtmp"
1506 librtmpe_protocol_deps="librtmp"
1507 librtmps_protocol_deps="librtmp"
1508 librtmpt_protocol_deps="librtmp"
1509 librtmpte_protocol_deps="librtmp"
1510 mmsh_protocol_select="http_protocol"
1511 mmst_protocol_deps="network"
1512 rtmp_protocol_deps="!librtmp_protocol"
1513 rtmp_protocol_select="tcp_protocol"
1514 rtp_protocol_select="udp_protocol"
1515 sctp_protocol_deps="network netinet_sctp_h"
1516 tcp_protocol_deps="network"
1517 tls_protocol_deps_any="openssl gnutls"
1518 tls_protocol_select="tcp_protocol"
1519 udp_protocol_deps="network"
1520
1521 # filters
1522 blackframe_filter_deps="gpl"
1523 boxblur_filter_deps="gpl"
1524 cropdetect_filter_deps="gpl"
1525 delogo_filter_deps="gpl"
1526 drawtext_filter_deps="libfreetype"
1527 frei0r_filter_deps="frei0r dlopen strtok_r"
1528 frei0r_filter_extralibs='$ldl'
1529 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1530 frei0r_src_filter_extralibs='$ldl'
1531 hqdn3d_filter_deps="gpl"
1532 resample_filter_deps="avresample"
1533 ocv_filter_deps="libopencv"
1534 yadif_filter_deps="gpl"
1535
1536 # libraries
1537 avdevice_deps="avcodec avformat"
1538 avfilter_deps="swscale"
1539 avformat_deps="avcodec"
1540
1541 # programs
1542 avconv_deps="avcodec avfilter avformat avresample swscale format_filter
1543 setpts_filter"
1544 avplay_deps="avcodec avformat swscale sdl"
1545 avplay_select="rdft"
1546 avprobe_deps="avcodec avformat"
1547 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1548 avserver_extralibs='$ldl'
1549
1550 doc_deps="texi2html"
1551
1552 # tests
1553
1554 test_deps(){
1555 suf1=$1
1556 suf2=$2
1557 shift 2
1558 for v; do
1559 dep=${v%=*}
1560 tests=${v#*=}
1561 for name in ${tests}; do
1562 append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1563 done
1564 done
1565 }
1566
1567 mxf_d10_test_deps="avfilter"
1568 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1569
1570 test_deps _muxer _demuxer \
1571 aiff \
1572 pcm_alaw=alaw \
1573 asf \
1574 au \
1575 avi \
1576 dv=dv_fmt \
1577 ffm \
1578 flv=flv_fmt \
1579 gxf \
1580 matroska=mkv \
1581 mmf \
1582 mov \
1583 pcm_mulaw=mulaw \
1584 mxf="mxf mxf_d10" \
1585 nut \
1586 ogg \
1587 rawvideo=pixfmt \
1588 rm \
1589 swf \
1590 mpegts=ts \
1591 voc \
1592 wav \
1593 yuv4mpegpipe=yuv4mpeg \
1594
1595 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1596
1597 # default parameters
1598
1599 logfile="config.log"
1600
1601 # installation paths
1602 prefix_default="/usr/local"
1603 bindir_default='${prefix}/bin'
1604 datadir_default='${prefix}/share/avconv'
1605 incdir_default='${prefix}/include'
1606 libdir_default='${prefix}/lib'
1607 mandir_default='${prefix}/share/man'
1608 shlibdir_default="$libdir_default"
1609
1610 # toolchain
1611 ar_default="ar"
1612 cc_default="gcc"
1613 cc_version=\"unknown\"
1614 host_cc_default="gcc"
1615 ln_s="ln -sf"
1616 nm_default="nm"
1617 objformat="elf"
1618 pkg_config_default=pkg-config
1619 ranlib="ranlib"
1620 yasmexe="yasm"
1621
1622 nm_opts='-g'
1623 nogas=":"
1624
1625 # machine
1626 arch_default=$(uname -m)
1627 cpu="generic"
1628
1629 # OS
1630 target_os_default=$(tolower $(uname -s))
1631 host_os=$target_os_default
1632
1633 # configurable options
1634 enable $PROGRAM_LIST
1635
1636 enable avcodec
1637 enable avdevice
1638 enable avfilter
1639 enable avformat
1640 enable avresample
1641 enable avutil
1642 enable swscale
1643
1644 enable asm
1645 enable debug
1646 enable doc
1647 enable fastdiv
1648 enable network
1649 enable optimizations
1650 enable safe_bitstream_reader
1651 enable static
1652 enable swscale_alpha
1653
1654 # build settings
1655 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1656 AVSERVERLDFLAGS=-Wl,-E
1657 LIBPREF="lib"
1658 LIBSUF=".a"
1659 FULLNAME='$(NAME)$(BUILDSUF)'
1660 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1661 SLIBPREF="lib"
1662 SLIBSUF=".so"
1663 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1664 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1665 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1666 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1667 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1668 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1669
1670 AS_O='-o $@'
1671 CC_O='-o $@'
1672
1673 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1674 host_libs='-lm'
1675
1676 target_path='$(CURDIR)'
1677
1678 # since the object filename is not given with the -MM flag, the compiler
1679 # is only able to print the basename, and we must add the path ourselves
1680 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1681 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1682
1683 # find source path
1684 if test -f configure; then
1685 source_path=.
1686 else
1687 source_path=$(cd $(dirname "$0"); pwd)
1688 echo "$source_path" | grep -q '[[:blank:]]' &&
1689 die "Out of tree builds are impossible with whitespace in source path."
1690 test -e "$source_path/config.h" &&
1691 die "Out of tree builds are impossible with config.h in source dir."
1692 fi
1693
1694 for v in "$@"; do
1695 r=${v#*=}
1696 l=${v%"$r"}
1697 r=$(sh_quote "$r")
1698 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1699 done
1700
1701 find_things(){
1702 thing=$1
1703 pattern=$2
1704 file=$source_path/$3
1705 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1706 }
1707
1708 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1709 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1710 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1711 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1712 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1713 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1714 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1715 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1716 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1717 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1718 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1719
1720 ALL_COMPONENTS="
1721 $BSF_LIST
1722 $DECODER_LIST
1723 $DEMUXER_LIST
1724 $ENCODER_LIST
1725 $FILTER_LIST
1726 $HWACCEL_LIST
1727 $INDEV_LIST
1728 $MUXER_LIST
1729 $OUTDEV_LIST
1730 $PARSER_LIST
1731 $PROTOCOL_LIST
1732 "
1733
1734 find_tests(){
1735 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1736 }
1737
1738 LAVF_TESTS=$(find_tests lavf)
1739 LAVFI_TESTS=$(find_tests lavfi)
1740 SEEK_TESTS=$(find_tests seek seek_)
1741
1742 ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1743
1744 for n in $COMPONENT_LIST; do
1745 v=$(toupper ${n%s})_LIST
1746 eval enable \$$v
1747 eval ${n}_if_any="\$$v"
1748 done
1749
1750 enable $ARCH_EXT_LIST $ALL_TESTS
1751
1752 die_unknown(){
1753 echo "Unknown option \"$1\"."
1754 echo "See $0 --help for available options."
1755 exit 1
1756 }
1757
1758 show_list() {
1759 suffix=_$1
1760 shift
1761 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1762 exit 0
1763 }
1764
1765 for opt do
1766 optval="${opt#*=}"
1767 case "$opt" in
1768 --extra-ldflags=*) add_ldflags $optval
1769 ;;
1770 --extra-libs=*) add_extralibs $optval
1771 ;;
1772 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1773 ;;
1774 --enable-debug=*) debuglevel="$optval"
1775 ;;
1776 --disable-everything)
1777 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1778 ;;
1779 --enable-*=*|--disable-*=*)
1780 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1781 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1782 eval list=\$$(toupper $thing)_LIST
1783 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1784 $action $(filter "$name" $list)
1785 ;;
1786 --enable-?*|--disable-?*)
1787 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1788 if is_in $option $COMPONENT_LIST; then
1789 test $action = disable && action=unset
1790 eval $action \$$(toupper ${option%s})_LIST
1791 elif is_in $option $CMDLINE_SELECT; then
1792 $action $option
1793 else
1794 die_unknown $opt
1795 fi
1796 ;;
1797 --list-*)
1798 NAME="${opt#--list-}"
1799 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1800 NAME=${NAME%s}
1801 eval show_list $NAME \$$(toupper $NAME)_LIST
1802 ;;
1803 --help|-h) show_help
1804 ;;
1805 *)
1806 optname="${opt%%=*}"
1807 optname="${optname#--}"
1808 optname=$(echo "$optname" | sed 's/-/_/g')
1809 if is_in $optname $CMDLINE_SET; then
1810 eval $optname='$optval'
1811 elif is_in $optname $CMDLINE_APPEND; then
1812 append $optname "$optval"
1813 else
1814 die_unknown $opt
1815 fi
1816 ;;
1817 esac
1818 done
1819
1820 disabled logging && logfile=/dev/null
1821
1822 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1823 set >> $logfile
1824
1825 test -n "$cross_prefix" && enable cross_compile
1826
1827 if enabled cross_compile; then
1828 test -n "$arch" && test -n "$target_os" ||
1829 die "Must specify target arch and OS when cross-compiling"
1830 fi
1831
1832 set_default arch target_os
1833
1834 ar_default="${cross_prefix}${ar_default}"
1835 cc_default="${cross_prefix}${cc_default}"
1836 nm_default="${cross_prefix}${nm_default}"
1837 pkg_config_default="${cross_prefix}${pkg_config_default}"
1838 ranlib="${cross_prefix}${ranlib}"
1839
1840 sysinclude_default="${sysroot}/usr/include"
1841
1842 set_default cc nm pkg_config sysinclude
1843 enabled cross_compile || host_cc_default=$cc
1844 set_default host_cc
1845
1846 if ! $pkg_config --version >/dev/null 2>&1; then
1847 warn "$pkg_config not found, library detection may fail."
1848 pkg_config=false
1849 fi
1850
1851 exesuf() {
1852 case $1 in
1853 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1854 esac
1855 }
1856
1857 EXESUF=$(exesuf $target_os)
1858 HOSTEXESUF=$(exesuf $host_os)
1859
1860 # set temporary file name
1861 : ${TMPDIR:=$TEMPDIR}
1862 : ${TMPDIR:=$TMP}
1863 : ${TMPDIR:=/tmp}
1864
1865 if ! check_cmd mktemp -u XXXXXX; then
1866 # simple replacement for missing mktemp
1867 # NOT SAFE FOR GENERAL USE
1868 mktemp(){
1869 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1870 }
1871 fi
1872
1873 tmpfile(){
1874 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1875 (set -C; exec > $tmp) 2>/dev/null ||
1876 die "Unable to create temporary file in $TMPDIR."
1877 append TMPFILES $tmp
1878 eval $1=$tmp
1879 }
1880
1881 trap 'rm -f -- $TMPFILES' EXIT
1882
1883 tmpfile TMPASM .asm
1884 tmpfile TMPC .c
1885 tmpfile TMPE $EXESUF
1886 tmpfile TMPH .h
1887 tmpfile TMPO .o
1888 tmpfile TMPS .S
1889 tmpfile TMPSH .sh
1890 tmpfile TMPV .ver
1891
1892 unset -f mktemp
1893
1894 chmod +x $TMPE
1895
1896 # make sure we can execute files in $TMPDIR
1897 cat > $TMPSH 2>> $logfile <<EOF
1898 #! /bin/sh
1899 EOF
1900 chmod +x $TMPSH >> $logfile 2>&1
1901 if ! $TMPSH >> $logfile 2>&1; then
1902 cat <<EOF
1903 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1904 variable to another directory and make sure that it is not mounted noexec.
1905 EOF
1906 die "Sanity test failed."
1907 fi
1908
1909 filter_asflags=echo
1910 filter_cflags=echo
1911 filter_cppflags=echo
1912
1913 if $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1914 cc_type=llvm_gcc
1915 cc_version=__VERSION__
1916 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1917 cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1918 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1919 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1920 speed_cflags='-O3'
1921 size_cflags='-Os'
1922 elif $cc -v 2>&1 | grep -qi ^gcc; then
1923 cc_type=gcc
1924 cc_version=__VERSION__
1925 gcc_version=$($cc --version | head -n1)
1926 gcc_basever=$($cc -dumpversion)
1927 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1928 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1929 cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1930 if ! $cc -dumpversion | grep -q '^2\.'; then
1931 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1932 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1933 fi
1934 speed_cflags='-O3'
1935 size_cflags='-Os'
1936 elif $cc --version 2>/dev/null | grep -q Intel; then
1937 cc_type=icc
1938 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1939 cc_ident=$($cc --version | head -n1)
1940 icc_version=$($cc -dumpversion)
1941 CC_DEPFLAGS='-MMD'
1942 AS_DEPFLAGS='-MMD'
1943 speed_cflags='-O3'
1944 size_cflags='-Os'
1945 noopt_cflags='-O1'
1946 elif $cc -v 2>&1 | grep -q xlc; then
1947 cc_type=xlc
1948 cc_version="AV_STRINGIFY(__IBMC__)"
1949 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1950 speed_cflags='-O5'
1951 size_cflags='-O5 -qcompact'
1952 elif $cc -V 2>/dev/null | grep -q Compaq; then
1953 cc_type=ccc
1954 cc_version="AV_STRINGIFY(__DECC_VER)"
1955 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1956 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1957 debuglevel=3
1958 add_ldflags -Wl,-z,now # calls to libots crash without this
1959 speed_cflags='-fast'
1960 size_cflags='-O1'
1961 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1962 test -d "$sysroot" || die "No valid sysroot specified."
1963 cc_type=armcc
1964 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1965 cc_ident=$($cc --vsn | head -n1)
1966 armcc_conf="$PWD/armcc.conf"
1967 $cc --arm_linux_configure \
1968 --arm_linux_config_file="$armcc_conf" \
1969 --configure_sysroot="$sysroot" \
1970 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1971 die "Error creating armcc configuration file."
1972 $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1973 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1974 as_default="${cross_prefix}gcc"
1975 CC_DEPFLAGS='-MMD'
1976 AS_DEPFLAGS='-MMD'
1977 speed_cflags='-O3'
1978 size_cflags='-Os'
1979 filter_asflags="filter_out -W${armcc_opt}*"
1980 elif $cc -version 2>/dev/null | grep -q TMS470; then
1981 cc_type=tms470
1982 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1983 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1984 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1985 CC_O='-fr=$(@D)'
1986 as_default="${cross_prefix}gcc"
1987 ld_default="${cross_prefix}gcc"
1988 TMPO=$(basename $TMPC .c).o
1989 append TMPFILES $TMPO
1990 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1991 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1992 AS_DEPFLAGS='-MMD'
1993 speed_cflags='-O3 -mf=5'
1994 size_cflags='-O3 -mf=2'
1995 filter_cflags=tms470_flags
1996 tms470_flags(){
1997 for flag; do
1998 case $flag in
1999 -march=*|-mcpu=*)
2000 case "${flag#*=}" in
2001 armv7-a|cortex-a*) echo -mv=7a8 ;;
2002 armv7-r|cortex-r*) echo -mv=7r4 ;;
2003 armv7-m|cortex-m*) echo -mv=7m3 ;;
2004 armv6*|arm11*) echo -mv=6 ;;
2005 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2006 echo -mv=5e ;;
2007 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2008 esac
2009 ;;
2010 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2011 -mfpu=vfp) echo --float_support=vfpv2 ;;
2012 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2013 -msoft-float) echo --float_support=vfplib ;;
2014 -O[0-3]|-mf=*) echo $flag ;;
2015 -g) echo -g -mn ;;
2016 -pds=*) echo $flag ;;
2017 esac
2018 done
2019 }
2020 elif $cc -v 2>&1 | grep -q clang; then
2021 cc_type=clang
2022 $cc -dM -E $TMPC | grep -q __clang_version__ &&
2023 cc_version=__clang_version__ || cc_version=__VERSION__
2024 cc_ident=$($cc --version | head -n1)
2025 CC_DEPFLAGS='-MMD'
2026 AS_DEPFLAGS='-MMD'
2027 speed_cflags='-O3'
2028 size_cflags='-Os'
2029 elif $cc -V 2>&1 | grep -q Sun; then
2030 cc_type=suncc
2031 cc_version="AV_STRINGIFY(__SUNPRO_C)"
2032 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2033 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2034 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2035 add_ldflags -xc99
2036 speed_cflags='-O5'
2037 size_cflags='-O5 -xspace'
2038 filter_cflags=suncc_flags
2039 suncc_flags(){
2040 for flag; do
2041 case $flag in
2042 -march=*|-mcpu=*)
2043 case "${flag#*=}" in
2044 native) echo -xtarget=native ;;
2045 v9|niagara) echo -xarch=sparc ;;
2046 ultrasparc) echo -xarch=sparcvis ;;
2047 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2048 i586|pentium) echo -xchip=pentium ;;
2049 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2050 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2051 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2052 pentium4*) echo -xtarget=pentium4 ;;
2053 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2054 *-sse3) echo -xarch=sse3 ;;
2055 core2) echo -xarch=ssse3 -xchip=core2 ;;
2056 amdfam10|barcelona) echo -xarch=sse4_1 ;;
2057 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2058 k8|opteron|athlon64|athlon-fx)
2059 echo -xarch=sse2a ;;
2060 athlon*) echo -xarch=pentium_proa ;;
2061 esac
2062 ;;
2063 -std=c99) echo -xc99 ;;
2064 -fomit-frame-pointer) echo -xregs=frameptr ;;
2065 -fPIC) echo -KPIC -xcode=pic32 ;;
2066 -W*,*) echo $flag ;;
2067 -f*-*|-W*) ;;
2068 *) echo $flag ;;
2069 esac
2070 done
2071 }
2072 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2073 cc_type=pathscale
2074 cc_version=__PATHSCALE__
2075 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2076 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2077 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2078 speed_cflags='-O2'
2079 size_cflags='-Os'
2080 filter_cflags='filter_out -Wdisabled-optimization'
2081 elif $cc -v 2>&1 | grep -q Open64; then
2082 cc_type=open64
2083 cc_version=__OPEN64__
2084 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2085 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2086 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2087 speed_cflags='-O2'
2088 size_cflags='-Os'
2089 filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2090 elif $cc -V 2>&1 | grep -q Portland; then
2091 cc_type=pgi
2092 cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2093 cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2094 opt_common='-alias=ansi -Mlre -Mpre'
2095 speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2096 size_cflags="-O2 -Munroll=c:1 $opt_common"
2097 noopt_cflags="-O1"
2098 filter_cflags=pgi_flags
2099 pgi_flags(){
2100 for flag; do
2101 case $flag in
2102 -fomit-frame-pointer) echo -Mnoframe ;;
2103 -g) echo -gopt ;;
2104 *) echo $flag ;;
2105 esac
2106 done
2107 }
2108 fi
2109
2110 test -n "$cc_type" && enable $cc_type ||
2111 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2112
2113 : ${as_default:=$cc}
2114 : ${dep_cc_default:=$cc}
2115 : ${ld_default:=$cc}
2116 set_default ar as dep_cc ld
2117
2118 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2119 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2120
2121 add_cflags $extra_cflags
2122 add_asflags $extra_cflags
2123
2124 if test -n "$sysroot"; then
2125 case "$cc_type" in
2126 gcc|llvm_gcc|clang)
2127 add_cppflags --sysroot="$sysroot"
2128 add_ldflags --sysroot="$sysroot"
2129 ;;
2130 tms470)
2131 add_cppflags -I"$sysinclude"
2132 add_ldflags --sysroot="$sysroot"
2133 ;;
2134 esac
2135 fi
2136
2137 if test "$cpu" = host; then
2138 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2139
2140 case "$cc_type" in
2141 gcc|llvm_gcc)
2142 check_native(){
2143 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2144 sed -n "/cc1.*$1=/{
2145 s/.*$1=\\([^ ]*\\).*/\\1/
2146 p
2147 q
2148 }" $TMPE
2149 }
2150 cpu=$(check_native -march || check_native -mcpu)
2151 ;;
2152 esac
2153
2154 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2155 fi
2156
2157 # Deal with common $arch aliases
2158 case "$arch" in
2159 arm*)
2160 arch="arm"
2161 ;;
2162 mips|mipsel|IP*)
2163 arch="mips"
2164 ;;
2165 mips64*)
2166 arch="mips"
2167 subarch="mips64"
2168 ;;
2169 parisc|hppa)
2170 arch="parisc"
2171 ;;
2172 parisc64|hppa64)
2173 arch="parisc"
2174 subarch="parisc64"
2175 ;;
2176 "Power Macintosh"|ppc|powerpc)
2177 arch="ppc"
2178 ;;
2179 ppc64|powerpc64)
2180 arch="ppc"
2181 subarch="ppc64"
2182 ;;
2183 s390|s390x)
2184 arch="s390"
2185 ;;
2186 sh4|sh)
2187 arch="sh4"
2188 ;;
2189 sun4u|sparc64)
2190 arch="sparc"
2191 subarch="sparc64"
2192 ;;
2193 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2194 arch="x86"
2195 ;;
2196 esac
2197
2198 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2199 enable $arch
2200
2201 # Add processor-specific flags
2202 if test "$cpu" = generic; then
2203 : do nothing
2204 elif enabled ppc; then
2205
2206 case $(tolower $cpu) in
2207 601|ppc601|powerpc601)
2208 cpuflags="-mcpu=601"
2209 disable altivec
2210 ;;
2211 603*|ppc603*|powerpc603*)
2212 cpuflags="-mcpu=603"
2213 disable altivec
2214 ;;
2215 604*|ppc604*|powerpc604*)
2216 cpuflags="-mcpu=604"
2217 disable altivec
2218 ;;
2219 g3|75*|ppc75*|powerpc75*)
2220 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2221 disable altivec
2222 ;;
2223 g4|745*|ppc745*|powerpc745*)
2224 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2225 ;;
2226 74*|ppc74*|powerpc74*)
2227 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2228 ;;
2229 g5|970|ppc970|powerpc970)
2230 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2231 ;;
2232 power[3-7]*)
2233 cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2234 ;;
2235 cell)
2236 cpuflags="-mcpu=cell"
2237 enable ldbrx
2238 ;;
2239 e500v2)
2240 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2241 disable altivec
2242 ;;
2243 e500)
2244 cpuflags="-mcpu=8540 -mhard-float"
2245 disable altivec
2246 ;;
2247 esac
2248
2249 elif enabled x86; then
2250
2251 case $cpu in
2252 i[345]86|pentium)
2253 cpuflags="-march=$cpu"
2254 disable mmx
2255 ;;
2256 # targets that do NOT support conditional mov (cmov)
2257 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2258 cpuflags="-march=$cpu"
2259 disable cmov
2260 ;;
2261 # targets that do support conditional mov (cmov)
2262 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2263 cpuflags="-march=$cpu"
2264 enable cmov
2265 enable fast_cmov
2266 ;;
2267 # targets that do support conditional mov but on which it's slow
2268 pentium4|pentium4m|prescott|nocona)
2269 cpuflags="-march=$cpu"
2270 enable cmov
2271 disable fast_cmov
2272 ;;
2273 esac
2274
2275 elif enabled sparc; then
2276
2277 case $cpu in
2278 niagara)
2279 cpuflags="-mcpu=$cpu"
2280 disable vis
2281 ;;
2282 sparc64)
2283 cpuflags="-mcpu=v9"
2284 ;;
2285 esac
2286
2287 elif enabled arm; then
2288
2289 case $cpu in
2290 armv*)
2291 cpuflags="-march=$cpu"
2292 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2293 ;;
2294 *)
2295 cpuflags="-mcpu=$cpu"
2296 case $cpu in
2297 cortex-a*) subarch=armv7a ;;
2298 cortex-r*) subarch=armv7r ;;
2299 cortex-m*) enable thumb; subarch=armv7m ;;
2300 arm11*) subarch=armv6 ;;
2301 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2302 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2303 esac
2304 ;;
2305 esac
2306
2307 elif enabled alpha; then
2308
2309 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2310
2311 elif enabled bfin; then
2312
2313 cpuflags="-mcpu=$cpu"
2314
2315 elif enabled mips; then
2316
2317 cpuflags="-march=$cpu"
2318
2319 elif enabled avr32; then
2320
2321 case $cpu in
2322 ap7[02]0[0-2])
2323 subarch="avr32_ap"
2324 cpuflags="-mpart=$cpu"
2325 ;;
2326 ap)
2327 subarch="avr32_ap"
2328 cpuflags="-march=$cpu"
2329 ;;
2330 uc3[ab]*)
2331 subarch="avr32_uc"
2332 cpuflags="-mcpu=$cpu"
2333 ;;
2334 uc)
2335 subarch="avr32_uc"
2336 cpuflags="-march=$cpu"
2337 ;;
2338 esac
2339
2340 fi
2341
2342 add_cflags $cpuflags
2343 add_asflags $cpuflags
2344
2345 # compiler sanity check
2346 check_exec <<EOF
2347 int main(void){ return 0; }
2348 EOF
2349 if test "$?" != 0; then
2350 echo "$cc is unable to create an executable file."
2351 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2352 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2353 echo "Only do this if you know what cross compiling means."
2354 fi
2355 die "C compiler test failed."
2356 fi
2357
2358 add_cppflags -D_ISOC99_SOURCE
2359 check_cflags -std=c99
2360 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2361 #include <stdlib.h>
2362 EOF
2363 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2364 #include <stdlib.h>
2365 EOF
2366
2367 check_host_cflags -std=c99
2368 check_host_cflags -Wall
2369
2370 case "$arch" in
2371 alpha|ia64|mips|parisc|sparc)
2372 spic=$shared
2373 ;;
2374 x86)
2375 subarch="x86_32"
2376 check_cc <<EOF && subarch="x86_64"
2377 int test[(int)sizeof(char*) - 7];
2378 EOF
2379 if test "$subarch" = "x86_64"; then
2380 spic=$shared
2381 fi
2382 ;;
2383 esac
2384
2385 enable $subarch
2386 enabled spic && enable pic
2387
2388 # OS specific
2389 case $target_os in
2390 haiku)
2391 prefix_default="/boot/common"
2392 network_extralibs="-lnetwork"
2393 host_libs=
2394 ;;
2395 sunos)
2396 AVSERVERLDFLAGS=""
2397 SHFLAGS='-shared -Wl,-h,$$(@F)'
2398 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2399 network_extralibs="-lsocket -lnsl"
2400 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2401 # When using suncc to build, the Solaris linker will mark
2402 # an executable with each instruction set encountered by
2403 # the Solaris assembler. As our libraries contain their own
2404 # guards for processor-specific code, instead suppress
2405 # generation of the HWCAPS ELF section on Solaris x86 only.
2406 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2407 nm_opts='-P -g'
2408 ;;
2409 netbsd)
2410 disable symver
2411 oss_indev_extralibs="-lossaudio"
2412 oss_outdev_extralibs="-lossaudio"
2413 ;;
2414 openbsd)
2415 # On OpenBSD 4.5. the compiler does not use PIC unless
2416 # explicitly using -fPIC. Libav builds fine without PIC,
2417 # however the generated executable will not do anything
2418 # (simply quits with exit-code 1, no crash, no output).
2419 # Thus explicitly enable PIC here.
2420 enable pic
2421 disable symver
2422 SHFLAGS='-shared'
2423 oss_indev_extralibs="-lossaudio"
2424 oss_outdev_extralibs="-lossaudio"
2425 ;;
2426 dragonfly)
2427 disable symver
2428 ;;
2429 freebsd)
2430 ;;
2431 bsd/os)
2432 add_extralibs -lpoll -lgnugetopt
2433 ;;
2434 darwin)
2435 gas="gas-preprocessor.pl $cc"
2436 enabled ppc && add_asflags -force_cpusubtype_ALL
2437 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2438 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2439 add_ldflags -Wl,-dynamic,-search_paths_first
2440 SLIBSUF=".dylib"
2441 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2442 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2443 AVSERVERLDFLAGS=-Wl,-bind_at_load
2444 objformat="macho"
2445 enabled x86_64 && objformat="macho64"
2446 enabled_any pic shared ||
2447 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2448 ;;
2449 mingw32*)
2450 if test $target_os = "mingw32ce"; then
2451 disable network
2452 else
2453 target_os=mingw32
2454 fi
2455 LIBTARGET=i386
2456 if enabled x86_64; then
2457 LIBTARGET="i386:x86-64"
2458 elif enabled arm; then
2459 LIBTARGET=arm-wince
2460 fi
2461 shlibdir_default="$bindir_default"
2462 SLIBPREF=""
2463 SLIBSUF=".dll"
2464 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2465 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2466 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2467 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2468 SLIB_INSTALL_LINKS=
2469 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2470 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2471 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2472 objformat="win32"
2473 dlltool="${cross_prefix}dlltool"
2474 enable dos_paths
2475 check_cflags -fno-common
2476 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2477 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2478 die "ERROR: MinGW runtime version must be >= 3.15."
2479 add_cppflags -U__STRICT_ANSI__
2480 ;;
2481 cygwin*)
2482 target_os=cygwin
2483 shlibdir_default="$bindir_default"
2484 SLIBPREF="cyg"
2485 SLIBSUF=".dll"
2486 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2487 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2488 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2489 objformat="win32"
2490 enable dos_paths
2491 check_cflags -fno-common
2492 add_cppflags -U__STRICT_ANSI__
2493 ;;
2494 *-dos|freedos|opendos)
2495 network_extralibs="-lsocket"
2496 objformat="coff"
2497 enable dos_paths
2498 add_cppflags -U__STRICT_ANSI__
2499 ;;
2500 linux)
2501 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2502 enable dv1394
2503 ;;
2504 irix*)
2505 target_os=irix
2506 ranlib="echo ignoring ranlib"
2507 ;;
2508 os/2*)
2509 ln_s="cp -f"
2510 objformat="aout"
2511 add_cppflags -D_GNU_SOURCE
2512 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2513 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2514 AVSERVERLDFLAGS=""
2515 LIBSUF="_s.a"
2516 SLIBPREF=""
2517 SLIBSUF=".dll"
2518 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2519 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2520 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2521 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2522 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2523 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2524 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2525 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2526 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2527 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2528 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2529 enable dos_paths
2530 ;;
2531 gnu/kfreebsd)
2532 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2533 ;;
2534 gnu)
2535 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2536 ;;
2537 qnx)
2538 add_cppflags -D_QNX_SOURCE
2539 network_extralibs="-lsocket"
2540 ;;
2541 symbian)
2542 SLIBSUF=".dll"
2543 enable dos_paths
2544 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2545 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2546 add_ldflags -Wl,--target1-abs,--no-undefined \
2547 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2548 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2549 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2550 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2551 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2552 ;;
2553 none)
2554 ;;
2555 *)
2556 die "Unknown OS '$target_os'."
2557 ;;
2558 esac
2559
2560 esc(){
2561 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2562 }
2563
2564 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
2565
2566 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2567
2568 set_default $PATHS_LIST
2569
2570 # we need to build at least one lib type
2571 if ! enabled_any static shared; then
2572 cat <<EOF
2573 At least one library type must be built.
2574 Specify --enable-static to build the static libraries or --enable-shared to
2575 build the shared libraries as well. To only build the shared libraries specify
2576 --disable-static in addition to --enable-shared.
2577 EOF
2578 exit 1;
2579 fi
2580
2581 die_license_disabled() {
2582 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2583 }
2584
2585 die_license_disabled gpl libcdio
2586 die_license_disabled gpl libx264
2587 die_license_disabled gpl libxavs
2588 die_license_disabled gpl libxvid
2589 die_license_disabled gpl x11grab
2590
2591 die_license_disabled nonfree libfaac
2592 die_license_disabled nonfree openssl
2593
2594 die_license_disabled version3 libopencore_amrnb
2595 die_license_disabled version3 libopencore_amrwb
2596 die_license_disabled version3 libvo_aacenc
2597 die_license_disabled version3 libvo_amrwbenc
2598
2599 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2600
2601 disabled optimizations || check_cflags -fomit-frame-pointer
2602
2603 enable_pic() {
2604 enable pic
2605 add_cppflags -DPIC
2606 add_cflags -fPIC
2607 add_asflags -fPIC
2608 }
2609
2610 enabled pic && enable_pic
2611
2612 check_cc <<EOF || die "Symbol mangling check failed."
2613 int ff_extern;
2614 EOF
2615 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2616 extern_prefix=${sym%%ff_extern*}
2617
2618 check_cc <<EOF && enable inline_asm
2619 void foo(void) { __asm__ volatile ("" ::); }
2620 EOF
2621
2622 _restrict=
2623 for restrict_keyword in restrict __restrict__ __restrict; do
2624 check_cc <<EOF && _restrict=$restrict_keyword && break
2625 void foo(char * $restrict_keyword p);
2626 EOF
2627 done
2628
2629 check_cc <<EOF && enable attribute_packed
2630 struct { int x; } __attribute__((packed)) x;
2631 EOF
2632
2633 check_cc <<EOF && enable attribute_may_alias
2634 union { int x; } __attribute__((may_alias)) x;
2635 EOF
2636
2637 check_cc <<EOF || die "endian test failed"
2638 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2639 EOF
2640 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2641
2642 if enabled alpha; then
2643
2644 check_cflags -mieee
2645
2646 elif enabled arm; then
2647
2648 enabled thumb && check_cflags -mthumb || check_cflags -marm
2649 nogas=die
2650
2651 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2652 enable vfp_args
2653 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2654 case "${cross_prefix:-$cc}" in
2655 *hardfloat*) enable vfp_args; fpabi=vfp ;;
2656 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2657 __asm__ (".eabi_attribute 28, 1");
2658 int main(void) { return 0; }
2659 EOF
2660 esac
2661 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2662 fi
2663
2664 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2665 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2666 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2667 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2668 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2669 enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"'
2670
2671 check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2672
2673 enabled_all armv6t2 shared !pic && enable_pic
2674
2675 elif enabled mips; then
2676
2677 check_asm loongson '"dmult.g $1, $2, $3"'
2678 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2679
2680 elif enabled ppc; then
2681
2682 enable local_aligned_8 local_aligned_16
2683
2684 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2685 check_asm ibm_asm '"add 0, 0, 0"'
2686 check_asm ppc4xx '"maclhw r10, r11, r12"'
2687 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2688
2689 # AltiVec flags: The FSF version of GCC differs from the Apple version
2690 if enabled altivec; then
2691 nogas=warn
2692 check_cflags -maltivec -mabi=altivec &&
2693 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2694 check_cflags -faltivec
2695
2696 # check if our compiler supports Motorola AltiVec C API
2697 check_cc <<EOF || disable altivec
2698 $inc_altivec_h
2699 int main(void) {
2700 vector signed int v1, v2, v3;
2701 v1 = vec_add(v2,v3);
2702 return 0;
2703 }
2704 EOF
2705
2706 # check if our compiler supports braces for vector declarations
2707 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2708 $inc_altivec_h
2709 int main (void) { (vector int) {1}; return 0; }
2710 EOF
2711 fi
2712
2713 elif enabled sparc; then
2714
2715 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2716 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2717
2718 elif enabled x86; then
2719
2720 enable local_aligned_8 local_aligned_16
2721
2722 # check whether EBP is available on x86
2723 # As 'i' is stored on the stack, this program will crash
2724 # if the base pointer is used to access it because the
2725 # base pointer is cleared in the inline assembly code.
2726 check_exec_crash <<EOF && enable ebp_available
2727 volatile int i=0;
2728 __asm__ volatile (
2729 "xorl %%ebp, %%ebp"
2730 ::: "%ebp");
2731 return i;
2732 EOF
2733
2734 # check whether EBX is available on x86
2735 check_asm ebx_available '""::"b"(0)' &&
2736 check_asm ebx_available '"":::"%ebx"'
2737
2738 # check whether xmm clobbers are supported
2739 check_asm xmm_clobbers '"":::"%xmm0"'
2740
2741 # check whether binutils is new enough to compile SSSE3/MMX2
2742 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2743 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2744
2745 if ! disabled_any asm mmx yasm; then
2746 if check_cmd $yasmexe --version; then
2747 enabled x86_64 && yasm_extra="-m amd64"
2748 yasm_debug="-g dwarf2"
2749 elif check_cmd nasm -v; then
2750 yasmexe=nasm
2751 yasm_debug="-g -F dwarf"
2752 enabled x86_64 && test "$objformat" = elf && objformat=elf64
2753 fi
2754
2755 YASMFLAGS="-f $objformat $yasm_extra"
2756 enabled pic && append YASMFLAGS "-DPIC"
2757 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2758 case "$objformat" in
2759 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2760 esac
2761
2762 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2763 die "yasm not found, use --disable-yasm for a crippled build"
2764 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2765 fi
2766
2767 case "$cpu" in
2768 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2769 disable fast_clz
2770 ;;
2771 esac
2772
2773 fi
2774
2775 if enabled asm; then
2776 as=${gas:=$as}
2777 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2778 $nogas "GNU assembler not found, install gas-preprocessor"
2779 fi
2780
2781 check_ldflags -Wl,--as-needed
2782
2783 if check_func dlopen; then
2784 ldl=
2785 elif check_func dlopen -ldl; then
2786 ldl=-ldl
2787 fi
2788
2789 if enabled network; then
2790 check_type "sys/types.h sys/socket.h" socklen_t
2791 check_type netdb.h "struct addrinfo"
2792 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2793 check_type netinet/in.h "struct sockaddr_in6"
2794 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2795 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2796 check_header netinet/sctp.h
2797 # Prefer arpa/inet.h over winsock2
2798 if check_header arpa/inet.h ; then
2799 check_func closesocket
2800 elif check_header winsock2.h ; then
2801 check_func_headers winsock2.h closesocket -lws2 && \
2802 network_extralibs="-lws2" || \
2803 { check_func_headers winsock2.h closesocket -lws2_32 && \
2804 network_extralibs="-lws2_32"; }
2805 check_type ws2tcpip.h socklen_t
2806 check_type ws2tcpip.h "struct addrinfo"
2807 check_type ws2tcpip.h "struct ipv6_mreq"
2808 check_type ws2tcpip.h "struct sockaddr_in6"
2809 check_type ws2tcpip.h "struct sockaddr_storage"
2810 check_struct winsock2.h "struct sockaddr" sa_len
2811 else
2812 disable network
2813 fi
2814 fi
2815
2816 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2817 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2818
2819 check_func fcntl
2820 check_func fork
2821 check_func getaddrinfo $network_extralibs
2822 check_func gethrtime
2823 check_func getrusage
2824 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2825 check_func inet_aton $network_extralibs
2826 check_func isatty
2827 check_func localtime_r
2828 check_func ${malloc_prefix}memalign && enable memalign
2829 check_func mkstemp
2830 check_func mmap
2831 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2832 check_func setrlimit
2833 check_func strerror_r
2834 check_func strptime
2835 check_func strtok_r
2836 check_func sched_getaffinity
2837 check_func sysconf
2838 check_func sysctl
2839 check_func_headers io.h setmode
2840 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2841 check_func_headers windows.h GetProcessAffinityMask
2842 check_func_headers windows.h GetProcessTimes
2843 check_func_headers windows.h MapViewOfFile
2844 check_func_headers windows.h VirtualAlloc
2845
2846 check_header dlfcn.h
2847 check_header dxva2api.h
2848 check_header malloc.h
2849 check_header poll.h
2850 check_header sys/mman.h
2851 check_header sys/param.h
2852 check_header sys/resource.h
2853 check_header sys/select.h
2854 check_header vdpau/vdpau.h
2855 check_header vdpau/vdpau_x11.h
2856 check_header X11/extensions/XvMClib.h
2857
2858 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2859 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2860
2861 if ! disabled w32threads && ! enabled pthreads; then
2862 check_func _beginthreadex && enable w32threads
2863 fi
2864
2865 # check for some common methods of building with pthread support
2866 # do this before the optional library checks as some of them require pthreads
2867 if ! disabled pthreads && ! enabled w32threads; then
2868 enable pthreads
2869 if check_func pthread_create; then
2870 :
2871 elif check_func pthread_create -pthread; then
2872 add_cflags -pthread
2873 add_extralibs -pthread
2874 elif check_func pthread_create -pthreads; then
2875 add_cflags -pthreads
2876 add_extralibs -pthreads
2877 elif check_func pthread_create -lpthreadGC2; then
2878 add_extralibs -lpthreadGC2
2879 elif ! check_lib pthread.h pthread_create -lpthread; then
2880 disable pthreads
2881 fi
2882 fi
2883
2884 for thread in $THREADS_LIST; do
2885 if enabled $thread; then
2886 test -n "$thread_type" &&
2887 die "ERROR: Only one thread type must be selected." ||
2888 thread_type="$thread"
2889 fi
2890 done
2891
2892 check_lib math.h sin -lm && LIBM="-lm"
2893 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2894
2895 check_mathfunc exp2
2896 check_mathfunc exp2f
2897 check_mathfunc llrint
2898 check_mathfunc llrintf
2899 check_mathfunc log2
2900 check_mathfunc log2f
2901 check_mathfunc lrint
2902 check_mathfunc lrintf
2903 check_mathfunc round
2904 check_mathfunc roundf
2905 check_mathfunc trunc
2906 check_mathfunc truncf
2907
2908 # these are off by default, so fail if requested and not available
2909 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2910 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2911 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2912 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2913 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2914 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2915 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2916 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2917 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2918 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2919 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2920 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2921 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2922 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2923 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2924 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2925 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2926 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2927 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2928 enabled libvpx && {
2929 enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2930 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2931 enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2932 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2933 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2934 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2935 die "ERROR: libx264 version must be >= 0.118."; }
2936 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2937 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2938 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2939 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2940 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2941 die "ERROR: openssl not found"; }
2942
2943 # libdc1394 check
2944 if enabled libdc1394; then
2945 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2946 enable libdc1394_2; } ||
2947 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2948 enable libdc1394_1; } ||
2949 die "ERROR: No version of libdc1394 found "
2950 fi
2951
2952 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
2953 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2954 enable sdl &&
2955 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2956 fi
2957
2958 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2959
2960 check_header linux/fb.h
2961 check_header linux/videodev2.h
2962 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
2963
2964 check_header sys/videoio.h
2965
2966 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2967 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2968 # w32api 3.12 had it defined wrong
2969 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2970
2971 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2972 { check_header dev/bktr/ioctl_meteor.h &&
2973 check_header dev/bktr/ioctl_bt848.h; } ||
2974 { check_header machine/ioctl_meteor.h &&
2975 check_header machine/ioctl_bt848.h; } ||
2976 { check_header dev/video/meteor/ioctl_meteor.h &&
2977 check_header dev/video/bktr/ioctl_bt848.h; } ||
2978 check_header dev/ic/bt8xx.h
2979
2980 check_header sndio.h
2981 check_header sys/soundcard.h
2982 check_header soundcard.h
2983
2984 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2985
2986 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
2987 check_func jack_port_get_latency_range -ljack
2988
2989 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2990
2991 enabled libcdio &&
2992 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
2993
2994 enabled x11grab &&
2995 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
2996 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
2997 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
2998
2999 # check for VDA header
3000 if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3001 enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3002 fi
3003
3004 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3005 check_cpp_condition \
3006 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3007 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3008 disable vdpau; }
3009 fi
3010
3011 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3012
3013 # add some useful compiler flags if supported
3014 check_cflags -Wdeclaration-after-statement
3015 check_cflags -Wall
3016 check_cflags -Wno-parentheses
3017 check_cflags -Wno-switch
3018 check_cflags -Wno-format-zero-length
3019 check_cflags -Wdisabled-optimization
3020 check_cflags -Wpointer-arith
3021 check_cflags -Wredundant-decls
3022 check_cflags -Wno-pointer-sign
3023 check_cflags -Wcast-qual
3024 check_cflags -Wwrite-strings
3025 check_cflags -Wtype-limits
3026 check_cflags -Wundef
3027 check_cflags -Wmissing-prototypes
3028 check_cflags -Wstrict-prototypes
3029 enabled extra_warnings && check_cflags -Winline
3030
3031 # add some linker flags
3032 check_ldflags -Wl,--warn-common
3033 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3034 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3035
3036 enabled xmm_clobber_test && \
3037 check_ldflags -Wl,--wrap,avcodec_open2 \
3038 -Wl,--wrap,avcodec_decode_audio4 \
3039 -Wl,--wrap,avcodec_decode_video2 \
3040 -Wl,--wrap,avcodec_decode_subtitle2 \
3041 -Wl,--wrap,avcodec_encode_audio2 \
3042 -Wl,--wrap,avcodec_encode_video \
3043 -Wl,--wrap,avcodec_encode_subtitle \
3044 -Wl,--wrap,sws_scale || \
3045 disable xmm_clobber_test
3046
3047 echo "X{};" > $TMPV
3048 if test_ldflags -Wl,--version-script,$TMPV; then
3049 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3050 check_cc <<EOF && enable symver_asm_label
3051 void ff_foo(void) __asm__ ("av_foo@VERSION");
3052 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3053 EOF
3054 check_cc <<EOF && enable symver_gnu_asm
3055 __asm__(".symver ff_foo,av_foo@VERSION");
3056 void ff_foo(void) {}
3057 EOF
3058 fi
3059
3060 if [ -n "$optflags" ]; then
3061 add_cflags $optflags
3062 elif enabled small; then
3063 add_cflags $size_cflags
3064 elif enabled optimizations; then
3065 add_cflags $speed_cflags
3066 else
3067 add_cflags $noopt_cflags
3068 fi
3069 check_cflags -fno-math-errno
3070 check_cflags -fno-signed-zeros
3071
3072 if enabled icc; then
3073 # Just warnings, no remarks
3074 check_cflags -w1
3075 # -wd: Disable following warnings
3076 # 144, 167, 556: -Wno-pointer-sign
3077 # 1292: attribute "foo" ignored
3078 # 1419: external declaration in primary source file
3079 # 10006: ignoring unknown option -fno-signed-zeros
3080 # 10148: ignoring unknown option -Wno-parentheses
3081 # 10156: ignoring option '-W'; no argument required
3082 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3083 # 11030: Warning unknown option --as-needed
3084 # 10156: ignoring option '-export'; no argument required
3085 check_ldflags -wd10156,11030
3086 # Allow to compile with optimizations
3087 check_ldflags -march=$cpu
3088 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3089 enable ebp_available
3090 if enabled x86_32; then
3091 test ${icc_version%%.*} -ge 11 && \
3092 check_cflags -falign-stack=maintain-16-byte || \
3093 disable aligned_stack
3094 fi
3095 elif enabled ccc; then
3096 # disable some annoying warnings
3097 add_cflags -msg_disable cvtu32to64
3098 add_cflags -msg_disable embedcomment
3099 add_cflags -msg_disable needconstext
3100 add_cflags -msg_disable nomainieee
3101 add_cflags -msg_disable ptrmismatch1
3102 add_cflags -msg_disable unreachcode
3103 elif enabled gcc; then
3104 check_cflags -fno-tree-vectorize
3105 check_cflags -Werror=implicit-function-declaration
3106 check_cflags -Werror=missing-prototypes
3107 check_cflags -Werror=declaration-after-statement
3108 elif enabled llvm_gcc; then
3109 check_cflags -mllvm -stack-alignment=16
3110 elif enabled clang; then
3111 check_cflags -mllvm -stack-alignment=16
3112 check_cflags -Qunused-arguments
3113 elif enabled armcc; then
3114 # 2523: use of inline assembler is deprecated
3115 add_cflags -W${armcc_opt},--diag_suppress=2523
3116 add_cflags -W${armcc_opt},--diag_suppress=1207
3117 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3118 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3119 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
3120 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
3121 elif enabled tms470; then
3122 add_cflags -pds=824 -pds=837
3123 elif enabled pathscale; then
3124 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3125 fi
3126
3127 enabled_any $THREADS_LIST && enable threads
3128
3129 check_deps $CONFIG_LIST \
3130 $CONFIG_EXTRA \
3131 $HAVE_LIST \
3132 $ALL_COMPONENTS \
3133 $ALL_TESTS \
3134
3135 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3136
3137 ! enabled_any memalign posix_memalign &&
3138 enabled_any $need_memalign && enable memalign_hack
3139
3140 echo "install prefix $prefix"
3141 echo "source path $source_path"
3142 echo "C compiler $cc"
3143 echo "ARCH $arch ($cpu)"
3144 if test "$build_suffix" != ""; then
3145 echo "build suffix $build_suffix"
3146 fi
3147 if test "$extra_version" != ""; then
3148 echo "version string suffix $extra_version"
3149 fi
3150 echo "big-endian ${bigendian-no}"
3151 echo "runtime cpu detection ${runtime_cpudetect-no}"
3152 if enabled x86; then
3153 echo "${yasmexe} ${yasm-no}"
3154 echo "MMX enabled ${mmx-no}"
3155 echo "MMX2 enabled ${mmx2-no}"
3156 echo "3DNow! enabled ${amd3dnow-no}"
3157 echo "3DNow! extended enabled ${amd3dnowext-no}"
3158 echo "SSE enabled ${sse-no}"
3159 echo "SSSE3 enabled ${ssse3-no}"
3160 echo "AVX enabled ${avx-no}"
3161 echo "CMOV enabled ${cmov-no}"
3162 echo "CMOV is fast ${fast_cmov-no}"
3163 echo "EBX available ${ebx_available-no}"
3164 echo "EBP available ${ebp_available-no}"
3165 fi
3166 if enabled arm; then
3167 echo "ARMv5TE enabled ${armv5te-no}"
3168 echo "ARMv6 enabled ${armv6-no}"
3169 echo "ARMv6T2 enabled ${armv6t2-no}"
3170 echo "ARM VFP enabled ${armvfp-no}"
3171 echo "NEON enabled ${neon-no}"
3172 fi
3173 if enabled mips; then
3174 echo "MMI enabled ${mmi-no}"
3175 fi
3176 if enabled ppc; then
3177 echo "AltiVec enabled ${altivec-no}"
3178 echo "PPC 4xx optimizations ${ppc4xx-no}"
3179 echo "dcbzl available ${dcbzl-no}"
3180 fi
3181 if enabled sparc; then
3182 echo "VIS enabled ${vis-no}"
3183 fi
3184 echo "debug symbols ${debug-no}"
3185 echo "optimize for size ${small-no}"
3186 echo "optimizations ${optimizations-no}"
3187 echo "static ${static-no}"
3188 echo "shared ${shared-no}"
3189 echo "new filter support ${avfilter-no}"
3190 echo "network support ${network-no}"
3191 echo "threading support ${thread_type-no}"
3192 echo "safe bitstream reader ${safe_bitstream_reader-no}"
3193 echo "SDL support ${sdl-no}"
3194 echo "libdxva2 enabled ${dxva2-no}"
3195 echo "libva enabled ${vaapi-no}"
3196 echo "libvdpau enabled ${vdpau-no}"
3197 echo "AVISynth enabled ${avisynth-no}"
3198 echo "frei0r enabled ${frei0r-no}"
3199 echo "gnutls enabled ${gnutls-no}"
3200 echo "libcdio support ${libcdio-no}"
3201 echo "libdc1394 support ${libdc1394-no}"
3202 echo "libfaac enabled ${libfaac-no}"
3203 echo "libgsm enabled ${libgsm-no}"
3204 echo "libmp3lame enabled ${libmp3lame-no}"
3205 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3206 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3207 echo "libopencv support ${libopencv-no}"
3208 echo "libopenjpeg enabled ${libopenjpeg-no}"
3209 echo "libpulse enabled ${libpulse-no}"
3210 echo "librtmp enabled ${librtmp-no}"
3211 echo "libschroedinger enabled ${libschroedinger-no}"
3212 echo "libspeex enabled ${libspeex-no}"
3213 echo "libtheora enabled ${libtheora-no}"
3214 echo "libvo-aacenc support ${libvo_aacenc-no}"
3215 echo "libvo-amrwbenc support ${libvo_amrwbenc-no}"
3216 echo "libvorbis enabled ${libvorbis-no}"
3217 echo "libvpx enabled ${libvpx-no}"
3218 echo "libx264 enabled ${libx264-no}"
3219 echo "libxavs enabled ${libxavs-no}"
3220 echo "libxvid enabled ${libxvid-no}"
3221 echo "openssl enabled ${openssl-no}"
3222 echo "zlib enabled ${zlib-no}"
3223 echo "bzlib enabled ${bzlib-no}"
3224 echo
3225
3226 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3227 echo "Enabled ${type}s:"
3228 eval list=\$$(toupper $type)_LIST
3229 print_enabled '_*' $list | sort | pr -r -3 -t
3230 echo
3231 done
3232
3233 license="LGPL version 2.1 or later"
3234 if enabled nonfree; then
3235 license="nonfree and unredistributable"
3236 elif enabled gplv3; then
3237 license="GPL version 3 or later"
3238 elif enabled lgplv3; then
3239 license="LGPL version 3 or later"
3240 elif enabled gpl; then
3241 license="GPL version 2 or later"
3242 fi
3243
3244 echo "License: $license"
3245
3246 echo "Creating config.mak and config.h..."
3247
3248 test -e Makefile || $ln_s "$source_path/Makefile" .
3249
3250 config_files="$TMPH config.mak"
3251
3252 cat > config.mak <<EOF
3253 # Automatically generated by configure - do not modify!
3254 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3255 prefix=$prefix
3256 LIBDIR=\$(DESTDIR)$libdir
3257 SHLIBDIR=\$(DESTDIR)$shlibdir
3258 INCDIR=\$(DESTDIR)$incdir
3259 BINDIR=\$(DESTDIR)$bindir
3260 DATADIR=\$(DESTDIR)$datadir
3261 MANDIR=\$(DESTDIR)$mandir
3262 SRC_PATH=$source_path
3263 CC_IDENT=$cc_ident
3264 ARCH=$arch
3265 CC=$cc
3266 AS=$as
3267 LD=$ld
3268 DEPCC=$dep_cc
3269 YASM=$yasmexe
3270 YASMDEP=$yasmexe
3271 AR=$ar
3272 RANLIB=$ranlib
3273 LN_S=$ln_s
3274 CPPFLAGS=$CPPFLAGS
3275 CFLAGS=$CFLAGS
3276 ASFLAGS=$ASFLAGS
3277 AS_O=$CC_O
3278 CC_O=$CC_O
3279 DLLTOOL=$dlltool
3280 LDFLAGS=$LDFLAGS
3281 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3282 SHFLAGS=$SHFLAGS
3283 YASMFLAGS=$YASMFLAGS
3284 BUILDSUF=$build_suffix
3285 FULLNAME=$FULLNAME
3286 LIBPREF=$LIBPREF
3287 LIBSUF=$LIBSUF
3288 LIBNAME=$LIBNAME
3289 SLIBPREF=$SLIBPREF
3290 SLIBSUF=$SLIBSUF
3291 EXESUF=$EXESUF
3292 EXTRA_VERSION=$extra_version
3293 DEPFLAGS=$DEPFLAGS
3294 CCDEP=$CCDEP
3295 ASDEP=$ASDEP
3296 CC_DEPFLAGS=$CC_DEPFLAGS
3297 AS_DEPFLAGS=$AS_DEPFLAGS
3298 HOSTCC=$host_cc
3299 HOSTCFLAGS=$host_cflags
3300 HOSTEXESUF=$HOSTEXESUF
3301 HOSTLDFLAGS=$host_ldflags
3302 HOSTLIBS=$host_libs
3303 TARGET_EXEC=$target_exec
3304 TARGET_PATH=$target_path
3305 SDL_LIBS=$sdl_libs
3306 SDL_CFLAGS=$sdl_cflags
3307 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3308 EXTRALIBS=$extralibs
3309 INSTALL=install
3310 LIBTARGET=${LIBTARGET}
3311 SLIBNAME=${SLIBNAME}
3312 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3313 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3314 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3315 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3316 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3317 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3318 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3319 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3320 SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
3321 EOF
3322
3323 get_version(){
3324 name=$1
3325 file=$source_path/$2
3326 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3327 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3328 lcname=$(tolower $name)
3329 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3330 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3331 }
3332
3333 get_version LIBAVCODEC libavcodec/version.h
3334 get_version LIBAVDEVICE libavdevice/avdevice.h
3335 get_version LIBAVFILTER libavfilter/version.h
3336 get_version LIBAVFORMAT libavformat/version.h
3337 get_version LIBAVRESAMPLE libavresample/version.h
3338 get_version LIBAVUTIL libavutil/avutil.h
3339 get_version LIBSWSCALE libswscale/swscale.h
3340
3341 cat > $TMPH <<EOF
3342 /* Automatically generated by configure - do not modify! */
3343 #ifndef LIBAV_CONFIG_H
3344 #define LIBAV_CONFIG_H
3345 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3346 #define LIBAV_LICENSE "$(c_escape $license)"
3347 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3348 #define CC_TYPE "$cc_type"
3349 #define CC_VERSION $cc_version
3350 #define restrict $_restrict
3351 #define EXTERN_PREFIX "${extern_prefix}"
3352 #define EXTERN_ASM ${extern_prefix}
3353 #define SLIBSUF "$SLIBSUF"
3354 EOF
3355
3356 test -n "$malloc_prefix" &&
3357 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3358
3359 if enabled small || disabled optimizations; then
3360 echo "#undef av_always_inline" >> $TMPH
3361 if enabled small; then
3362 echo "#define av_always_inline inline" >> $TMPH
3363 else
3364 echo "#define av_always_inline av_unused" >> $TMPH
3365 fi
3366 fi
3367
3368 if enabled yasm; then
3369 append config_files $TMPASM
3370 printf '' >$TMPASM
3371 fi
3372
3373 print_config ARCH_ "$config_files" $ARCH_LIST
3374 print_config HAVE_ "$config_files" $HAVE_LIST
3375 print_config CONFIG_ "$config_files" $CONFIG_LIST \
3376 $CONFIG_EXTRA \
3377 $ALL_COMPONENTS \
3378
3379 cat >>config.mak <<EOF
3380 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3381 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3382 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3383 EOF
3384
3385 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3386
3387 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3388 cp_if_changed $TMPH config.h
3389 touch .config
3390
3391 enabled yasm && cp_if_changed $TMPASM config.asm
3392
3393 cat > $TMPH <<EOF
3394 /* Generated by ffconf */
3395 #ifndef AVUTIL_AVCONFIG_H
3396 #define AVUTIL_AVCONFIG_H
3397 EOF
3398
3399 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3400
3401 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3402
3403 cp_if_changed $TMPH libavutil/avconfig.h
3404
3405 test -n "$WARNINGS" && printf "\n$WARNINGS"
3406
3407 # build pkg-config files
3408
3409 pkgconfig_generate(){
3410 name=$1
3411 shortname=${name#lib}${build_suffix}
3412 comment=$2
3413 version=$3
3414 libs=$4
3415 requires=$5
3416 enabled ${name#lib} || return 0
3417 mkdir -p $name
3418 cat <<EOF > $name/$name.pc
3419 prefix=$prefix
3420 exec_prefix=\${prefix}
3421 libdir=$libdir
3422 includedir=$incdir
3423
3424 Name: $name
3425 Description: $comment
3426 Version: $version
3427 Requires: $(enabled shared || echo $requires)
3428 Requires.private: $(enabled shared && echo $requires)
3429 Conflicts:
3430 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3431 Libs.private: $(enabled shared && echo $libs)
3432 Cflags: -I\${includedir}
3433 EOF
3434 cat <<EOF > $name/$name-uninstalled.pc
3435 prefix=
3436 exec_prefix=
3437 libdir=\${pcfiledir}
3438 includedir=${source_path}
3439
3440 Name: $name
3441 Description: $comment
3442 Version: $version
3443 Requires: $requires
3444 Conflicts:
3445 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3446 Cflags: -I\${includedir}
3447 EOF
3448 }
3449
3450 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3451 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3452 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3453 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3454 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3455 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3456 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"