Make get_bits_left() available for use in libavcodec (was previously held
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
f57620d5
MR
3# FFmpeg configure script
4#
949906ea
DB
5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
79ab96ba
DB
11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
c21d6325
MR
15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
MR
20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
MR
24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
MR
27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
MR
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 "$0" "$@"
cde2d79a
MR
43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
505dfb09
DB
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
c21d6325
MR
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
cde2d79a
MR
54 exit 1
55fi
56
74c53c2d 57show_help(){
06454877
MR
58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.err]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffserver disable ffserver build
86 --enable-postproc enable GPLed postprocessing support [no]
87 --enable-avfilter video filter support [no]
88 --enable-avfilter-lavf video filters dependent on avformat [no]
89 --enable-beosthreads use BeOS threads [no]
90 --enable-os2threads use OS/2 threads [no]
91 --enable-pthreads use pthreads [no]
92 --enable-w32threads use Win32 threads [no]
93 --enable-x11grab enable X11 grabbing [no]
94 --disable-network disable network support [no]
95 --disable-ipv6 disable IPv6 support [no]
96 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
97 --enable-gray enable full grayscale support (slower color)
98 --disable-swscale-alpha disable alpha channel support in swscale
99 --disable-fastdiv disable table-based division
100 --enable-small optimize for size instead of speed
101 --disable-aandct disable AAN DCT code
102 --disable-fft disable FFT code
103 --disable-golomb disable Golomb code
104 --disable-lpc disable LPC code
105 --disable-mdct disable MDCT code
106 --disable-rdft disable RDFT code
107 --disable-vaapi disable VAAPI code
108 --disable-vdpau disable VDPAU code
109 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
110 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
111 --enable-memalign-hack emulate memalign, interferes with memory debuggers
112 --enable-beos-netserver enable BeOS netserver
113 --disable-encoder=NAME disable encoder NAME
114 --enable-encoder=NAME enable encoder NAME
115 --disable-encoders disable all encoders
116 --disable-decoder=NAME disable decoder NAME
117 --enable-decoder=NAME enable decoder NAME
118 --disable-decoders disable all decoders
119 --disable-hwaccel=NAME disable hwaccel NAME
120 --enable-hwaccel=NAME enable hwaccel NAME
121 --disable-hwaccels disable all hwaccels
122 --disable-muxer=NAME disable muxer NAME
123 --enable-muxer=NAME enable muxer NAME
124 --disable-muxers disable all muxers
125 --disable-demuxer=NAME disable demuxer NAME
126 --enable-demuxer=NAME enable demuxer NAME
127 --disable-demuxers disable all demuxers
128 --enable-parser=NAME enable parser NAME
129 --disable-parser=NAME disable parser NAME
130 --disable-parsers disable all parsers
131 --enable-bsf=NAME enable bitstream filter NAME
132 --disable-bsf=NAME disable bitstream filter NAME
133 --disable-bsfs disable all bitstream filters
134 --enable-protocol=NAME enable protocol NAME
135 --disable-protocol=NAME disable protocol NAME
136 --disable-protocols disable all protocols
137 --disable-indev=NAME disable input device NAME
138 --disable-outdev=NAME disable output device NAME
139 --disable-indevs disable input devices
140 --disable-outdevs disable output devices
141 --disable-devices disable all devices
142 --enable-filter=NAME enable filter NAME
143 --disable-filter=NAME disable filter NAME
144 --disable-filters disable all filters
145 --list-decoders show all available decoders
146 --list-encoders show all available encoders
147 --list-hwaccels show all available hardware accelerators
148 --list-muxers show all available muxers
149 --list-demuxers show all available demuxers
150 --list-parsers show all available parsers
151 --list-protocols show all available protocols
152 --list-bsfs show all available bitstream filters
153 --list-indevs show all available input devices
154 --list-outdevs show all available output devices
155 --list-filters show all available filters
156
157External library support:
158 --enable-avisynth enable reading of AVISynth script files [no]
159 --enable-bzlib enable bzlib [autodetect]
160 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
161 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
162 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
163 and libraw1394 [no]
164 --enable-libdirac enable Dirac support via libdirac [no]
165 --enable-libfaac enable FAAC support via libfaac [no]
166 --enable-libfaad enable FAAD support via libfaad [no]
167 --enable-libfaadbin open libfaad.so.0 at runtime [no]
168 --enable-libgsm enable GSM support via libgsm [no]
169 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
170 --enable-libnut enable NUT (de)muxing via libnut,
171 native (de)muxer exists [no]
172 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
173 --enable-libschroedinger enable Dirac support via libschroedinger [no]
174 --enable-libspeex enable Speex decoding via libspeex [no]
175 --enable-libtheora enable Theora encoding via libtheora [no]
176 --enable-libvorbis enable Vorbis encoding via libvorbis,
177 native implementation exists [no]
178 --enable-libx264 enable H.264 encoding via x264 [no]
179 --enable-libxvid enable Xvid encoding via xvidcore,
180 native MPEG-4/Xvid encoder exists [no]
181 --enable-mlib enable Sun medialib [no]
182 --enable-zlib enable zlib [autodetect]
183
184Advanced options (experts only):
185 --source-path=PATH path to source code [$source_path]
186 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
187 --enable-cross-compile assume a cross-compiler is used
188 --sysroot=PATH root of cross-build tree
189 --sysinclude=PATH location of cross-build system headers
190 --target-os=OS compiler targets OS [$target_os]
191 --target-exec=CMD command to run executables on target
192 --target-path=DIR path to view of build directory on target
193 --nm=NM use nm tool
194 --as=AS use assembler AS [$as_default]
195 --cc=CC use C compiler CC [$cc_default]
196 --ld=LD use linker LD
197 --host-cc=HOSTCC use host C compiler HOSTCC
198 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
199 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
200 --host-libs=HLIBS use libs HLIBS when linking for host
201 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
202 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
203 --extra-libs=ELIBS add ELIBS [$ELIBS]
204 --extra-version=STRING version string suffix []
205 --build-suffix=SUFFIX library name suffix []
206 --arch=ARCH select architecture [$arch]
207 --cpu=CPU select the minimum required CPU (affects
208 instruction selection, may crash on older CPUs)
209 --enable-powerpc-perf enable performance report on PPC
210 (requires enabling PMC)
211 --disable-altivec disable AltiVec optimizations
212 --disable-amd3dnow disable 3DNow! optimizations
213 --disable-amd3dnowext disable 3DNow! extended optimizations
214 --disable-mmx disable MMX optimizations
215 --disable-mmx2 disable MMX2 optimizations
216 --disable-sse disable SSE optimizations
217 --disable-ssse3 disable SSSE3 optimizations
218 --disable-armv5te disable armv5te optimizations
219 --disable-armv6 disable armv6 optimizations
220 --disable-armv6t2 disable armv6t2 optimizations
221 --disable-armvfp disable ARM VFP optimizations
222 --disable-iwmmxt disable iwmmxt optimizations
223 --disable-mmi disable MMI optimizations
224 --disable-neon disable neon optimizations
225 --disable-vis disable VIS optimizations
226 --disable-yasm disable use of yasm assembler
227 --enable-pic build position-independent code
228
229Developer options (useful when working on FFmpeg itself):
230 --disable-debug disable debugging symbols
231 --enable-debug=LEVEL set the debug level [$debuglevel]
232 --enable-gprof enable profiling with gprof [$gprof]
233 --disable-optimizations disable compiler optimizations
234 --enable-extra-warnings enable more compiler warnings
235 --disable-stripping disable stripping of executables and shared libraries
236
237NOTE: Object files are built at the place where configure is launched.
238EOF
60e8bc13 239 exit 0
74c53c2d 240}
cf9d24ad 241
57bd82d4 242log(){
2270b4b2 243 echo "$@" >> $logfile
57bd82d4
MR
244}
245
720c69da 246log_file(){
c8e9f801 247 log BEGIN $1
2270b4b2 248 pr -n -t $1 >> $logfile
c8e9f801
MR
249 log END $1
250}
251
2ba042a7 252echolog(){
c8e9f801 253 log "$@"
57bd82d4 254 echo "$@"
2ba042a7
MR
255}
256
257die(){
258 echolog "$@"
259 cat <<EOF
d326cf7f 260
2ba042a7
MR
261If you think configure made a mistake, make sure you are using the latest
262version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 263ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 264EOF
e155a21a 265 if disabled logging; then
2ba042a7 266 cat <<EOF
e155a21a
DB
267Rerun configure with logging enabled (do not use --disable-logging), and
268include the log this produces with your report.
2ba042a7
MR
269EOF
270 else
271cat <<EOF
e155a21a
DB
272Include the log file "$logfile" produced by configure as this will help
273solving the problem.
2ba042a7
MR
274EOF
275 fi
57bd82d4
MR
276 exit 1
277}
278
6c6007d6 279# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 280toupper(){
6c6007d6 281 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
282}
283
4a5444db 284tolower(){
6c6007d6 285 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
286}
287
14a8acf1
MR
288c_escape(){
289 echo "$*" | sed 's/["\\]/\\\0/g'
290}
291
b04251c5
MR
292sh_quote(){
293 v=$(echo "$1" | sed "s/'/'\\\\''/g")
294 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
295 echo "$v"
296}
297
be8f2501
MR
298filter(){
299 pat=$1
300 shift
301 for v; do
98ef6079 302 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
303 done
304}
305
a8d04fba
MR
306set_all(){
307 value=$1
308 shift
309 for var in $*; do
310 eval $var=$value
311 done
312}
313
72a43668
MR
314set_weak(){
315 value=$1
316 shift
317 for var; do
318 eval : \${$var:=$value}
319 done
320}
321
799c9e9b
MR
322pushvar(){
323 for var in $*; do
324 eval level=\${${var}_level:=0}
325 eval ${var}_${level}="\$$var"
326 eval ${var}_level=$(($level+1))
327 done
328}
329
330popvar(){
331 for var in $*; do
332 eval level=\${${var}_level:-0}
333 test $level = 0 && continue
334 eval level=$(($level-1))
335 eval $var="\${${var}_${level}}"
336 eval ${var}_level=$level
337 eval unset ${var}_${level}
338 done
339}
340
a8d04fba
MR
341enable(){
342 set_all yes $*
343}
344
345disable(){
346 set_all no $*
347}
348
72a43668
MR
349enable_weak(){
350 set_weak yes $*
351}
352
353disable_weak(){
354 set_weak no $*
355}
356
72702705
MR
357enable_safe(){
358 enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
359}
360
361disable_safe(){
362 disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
363}
364
f9d328da
MR
365do_enable_deep(){
366 for var; do
367 enabled $var && continue
368 eval sel="\$${var}_select"
c510c7b5
MR
369 eval sgs="\$${var}_suggest"
370 pushvar var sgs
f9d328da 371 enable_deep $sel
c510c7b5
MR
372 popvar sgs
373 enable_deep_weak $sgs
f9d328da
MR
374 popvar var
375 done
376}
377
378enable_deep(){
379 do_enable_deep $*
380 enable $*
381}
382
72a43668
MR
383enable_deep_weak(){
384 do_enable_deep $*
385 enable_weak $*
386}
387
57bd82d4 388enabled(){
3250003c
MR
389 test "${1#!}" = "$1" && op== || op=!=
390 eval test "x\$${1#!}" $op "xyes"
44161118
MR
391}
392
37970ebf 393disabled(){
3250003c
MR
394 test "${1#!}" = "$1" && op== || op=!=
395 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
396}
397
44161118
MR
398enabled_all(){
399 for opt; do
400 enabled $opt || return 1
401 done
402}
403
85bca2c5
DB
404disabled_all(){
405 for opt; do
406 disabled $opt || return 1
407 done
408}
409
44161118
MR
410enabled_any(){
411 for opt; do
412 enabled $opt && return 0
413 done
414}
415
85bca2c5
DB
416disabled_any(){
417 for opt; do
418 disabled $opt && return 0
419 done
f7b230a7 420 return 1
85bca2c5
DB
421}
422
c9d19248
MR
423set_default(){
424 for opt; do
88268e94 425 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
426 done
427}
428
4a0d6686
AJ
429is_in(){
430 value=$1
431 shift
432 for var in $*; do
433 [ $var = $value ] && return 0
434 done
435 return 1
436}
437
30fd06be
MR
438check_deps(){
439 for cfg; do
3250003c 440 cfg="${cfg#!}"
799c9e9b
MR
441 enabled ${cfg}_checking && die "Circular dependency for $cfg."
442 disabled ${cfg}_checking && continue
443 enable ${cfg}_checking
444
30fd06be
MR
445 eval dep_all="\$${cfg}_deps"
446 eval dep_any="\$${cfg}_deps_any"
7ef3425f 447 eval dep_sel="\$${cfg}_select"
c510c7b5 448 eval dep_sgs="\$${cfg}_suggest"
799c9e9b 449
c510c7b5
MR
450 pushvar cfg dep_all dep_any dep_sel dep_sgs
451 check_deps $dep_all $dep_any $dep_sel $dep_sgs
452 popvar cfg dep_all dep_any dep_sel dep_sgs
799c9e9b 453
6a702d4c
MR
454 enabled_all $dep_all || disable $cfg
455 enabled_any $dep_any || disable $cfg
7ef3425f 456 disabled_any $dep_sel && disable $cfg
799c9e9b 457
4ec45764
RP
458 if enabled $cfg; then
459 eval dep_extralibs="\$${cfg}_extralibs"
460 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 461 enable_deep $dep_sel
c510c7b5 462 enable_deep_weak $dep_sgs
4ec45764
RP
463 fi
464
799c9e9b 465 disable ${cfg}_checking
30fd06be
MR
466 done
467}
468
44161118
MR
469print_config(){
470 pfx=$1
471 header=$2
472 makefile=$3
473 shift 3
474 for cfg; do
5e622c40 475 ucname="$(toupper $cfg)"
44161118 476 if enabled $cfg; then
3d907e22 477 echo "#define ${pfx}${ucname} 1" >> $header
3d907e22
MR
478 echo "${pfx}${ucname}=yes" >> $makefile
479 else
b250f9c6 480 echo "#define ${pfx}${ucname} 0" >> $header
44161118
MR
481 fi
482 done
57bd82d4
MR
483}
484
485flags_saved(){
2270b4b2 486 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
487}
488
dcd479c0 489save_flags(){
57bd82d4 490 flags_saved && return
dcd479c0
MR
491 SAVE_CFLAGS="$CFLAGS"
492 SAVE_LDFLAGS="$LDFLAGS"
493 SAVE_extralibs="$extralibs"
494}
495
496restore_flags(){
f5d28d10 497 flags_saved || return
dcd479c0
MR
498 CFLAGS="$SAVE_CFLAGS"
499 LDFLAGS="$SAVE_LDFLAGS"
500 extralibs="$SAVE_extralibs"
501 unset SAVE_CFLAGS
502 unset SAVE_LDFLAGS
503 unset SAVE_extralibs
504}
505
506temp_cflags(){
507 save_flags
508 CFLAGS="$CFLAGS $*"
509}
510
511temp_ldflags(){
512 save_flags
513 LDFLAGS="$LDFLAGS $*"
514}
515
516temp_extralibs(){
517 save_flags
518 extralibs="$extralibs $*"
519}
520
57bd82d4
MR
521append(){
522 var=$1
523 shift
524 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
525 eval "$var=\"\$$var $*\""
526}
527
50a334e4 528add_cppflags(){
caf458dd 529 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
530}
531
57bd82d4 532add_cflags(){
caf458dd 533 append CFLAGS $($filter_cflags "$@")
57bd82d4
MR
534}
535
2f2e6c7c 536add_asflags(){
caf458dd 537 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
MR
538}
539
57bd82d4
MR
540add_ldflags(){
541 append LDFLAGS "$@"
542}
543
544add_extralibs(){
545 append extralibs "$@"
546}
547
b0cfb663 548check_cmd(){
b3cb5d51 549 log "$@"
2270b4b2 550 "$@" >> $logfile 2>&1
b0cfb663
MR
551}
552
dcd479c0 553check_cc(){
57bd82d4 554 log check_cc "$@"
2270b4b2 555 cat > $TMPC
720c69da 556 log_file $TMPC
50a334e4 557 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
558}
559
560check_cpp(){
561 log check_cpp "$@"
2270b4b2 562 cat > $TMPC
720c69da 563 log_file $TMPC
9e7f3277 564 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
565}
566
f65883c8
MR
567check_as(){
568 log check_as "$@"
569 cat > $TMPC
570 log_file $TMPC
2f2e6c7c 571 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
572}
573
940f335a
MR
574check_asm(){
575 log check_asm "$@"
576 name="$1"
577 asm="$2"
578 shift 2
49214f61
MR
579 disable $name
580 check_as "$@" <<EOF && enable $name
124c21d7 581void foo(void){ __asm__ volatile($asm); }
940f335a
MR
582EOF
583}
584
304d586d
LM
585check_yasm(){
586 log check_yasm "$@"
587 echo "$1" > $TMPS
588 log_file $TMPS
589 shift 1
590 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
591}
592
dcd479c0 593check_ld(){
57bd82d4 594 log check_ld "$@"
0607887f 595 check_cc || return
3155a644
MR
596 flags=''
597 libs=''
598 for f; do
599 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
600 done
684b28e0 601 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
602}
603
50a334e4
MR
604check_cppflags(){
605 log check_cppflags "$@"
caf458dd
MR
606 set -- $($filter_cppflags "$@")
607 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
608int x;
609EOF
610}
611
dcd479c0 612check_cflags(){
57bd82d4 613 log check_cflags "$@"
caf458dd
MR
614 set -- $($filter_cflags "$@")
615 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
616int x;
617EOF
618}
619
620check_ldflags(){
57bd82d4
MR
621 log check_ldflags "$@"
622 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 623int main(void){ return 0; }
dcd479c0
MR
624EOF
625}
626
627check_header(){
57bd82d4 628 log check_header "$@"
dcd479c0
MR
629 header=$1
630 shift
b77df637
MR
631 disable_safe $header
632 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
633#include <$header>
634int x;
635EOF
636}
637
638check_func(){
57bd82d4 639 log check_func "$@"
dcd479c0
MR
640 func=$1
641 shift
d8bc5f06
MR
642 disable $func
643 check_ld "$@" <<EOF && enable $func
dcd479c0 644extern int $func();
c23a0ac8 645int main(void){ $func(); }
dcd479c0
MR
646EOF
647}
648
2446d3d6
DB
649check_func_headers(){
650 log check_func_headers "$@"
f8d7b072
MR
651 headers=$1
652 func=$2
653 shift 2
654 disable $func
655 incs=""
656 for hdr in $headers; do
657 incs="$incs
658#include <$hdr>"
659 done
cd0d9a9d 660 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 661$incs
d6773f56 662int main(int argc, char **argv){
2b2c2a81 663 return (long) $func;
f8d7b072
MR
664}
665EOF
666}
667
a5344cf7
SS
668check_cpp_condition(){
669 log check_cpp_condition "$@"
670 header=$1
671 condition=$2
672 check_cpp <<EOF
673#include <$header>
674#if !($condition)
675#error "unsatisfied condition: $condition"
676#endif
677EOF
678}
679
57bd82d4
MR
680check_lib(){
681 log check_lib "$@"
682 header="$1"
683 func="$2"
684 shift 2
fcfcde17
MR
685 temp_extralibs "$@"
686 check_header $header && check_func $func && add_extralibs "$@"
687 err=$?
688 restore_flags
689 return $err
57bd82d4
MR
690}
691
f8d7b072
MR
692check_lib2(){
693 log check_lib2 "$@"
694 headers="$1"
695 func="$2"
696 shift 2
697 temp_extralibs "$@"
2446d3d6 698 check_func_headers "$headers" $func && add_extralibs "$@"
f8d7b072
MR
699 err=$?
700 restore_flags
701 return $err
702}
703
dcd479c0 704check_exec(){
2270b4b2 705 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
706}
707
7dfef245 708check_exec_crash(){
5e622c40 709 code=$(cat)
7dfef245
MR
710
711 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
712 # are safe but may not be available everywhere. Thus we use
713 # raise(SIGTERM) instead. The check is run in a subshell so we
714 # can redirect the "Terminated" message from the shell. SIGBUS
715 # is not defined by standard C so it is used conditionally.
716
2270b4b2 717 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
718#include <signal.h>
719static void sighandler(int sig){
720 raise(SIGTERM);
721}
e5af4a11 722int main(void){
7dfef245
MR
723 signal(SIGILL, sighandler);
724 signal(SIGFPE, sighandler);
725 signal(SIGSEGV, sighandler);
726#ifdef SIGBUS
727 signal(SIGBUS, sighandler);
728#endif
729 { $code }
730}
731EOF
732}
733
72be9e73
DY
734check_type(){
735 log check_type "$@"
736 headers=$1
737 type=$2
738 shift 2
739 disable $type
740 incs=""
741 for hdr in $headers; do
742 incs="$incs
743#include <$hdr>"
744 done
745 check_cc "$@" <<EOF && enable $type
746$incs
747$type v;
748EOF
749}
750
57bd82d4
MR
751require(){
752 name="$1"
753 header="$2"
754 func="$3"
755 shift 3
756 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
757}
758
f8d7b072
MR
759require2(){
760 name="$1"
761 headers="$2"
762 func="$3"
763 shift 3
764 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
765}
766
eea50282
MR
767check_foo_config(){
768 cfg=$1
769 pkg=$2
770 header=$3
771 func=$4
772 shift 4
773 disable $cfg
774 check_cmd ${pkg}-config --version
775 err=$?
776 if test "$err" = 0; then
5e622c40
DB
777 temp_cflags $(${pkg}-config --cflags)
778 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
779 check_lib "$@" $header $func && enable $cfg
780 fi
781 return $err
782}
783
f0125de9
MR
784check_host_cc(){
785 log check_host_cc "$@"
786 cat > $TMPC
787 log_file $TMPC
788 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
789}
790
791check_host_cflags(){
792 log check_host_cflags "$@"
793 check_host_cc "$@" <<EOF && append host_cflags "$@"
794int x;
795EOF
796}
797
c505dd31
MR
798apply(){
799 file=$1
800 shift
801 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
802}
803
dcd61286
DB
804# CONFIG_LIST contains configurable options, while HAVE_LIST is for
805# system-dependent things.
806
4a0d6686
AJ
807COMPONENT_LIST="
808 bsfs
809 decoders
810 demuxers
811 encoders
3cde40aa 812 filters
5666fd73 813 hwaccels
c552605c 814 indevs
4a0d6686 815 muxers
c552605c 816 outdevs
4a0d6686
AJ
817 parsers
818 protocols
819"
820
821CONFIG_LIST="
822 $COMPONENT_LIST
e8ed9b7a 823 aandct
f7679c54
VS
824 avfilter
825 avfilter_lavf
c88f5d72
MR
826 avisynth
827 beos_netserver
f402916e 828 bzlib
c73f65d9 829 doc
27a9466b 830 fastdiv
c88f5d72
MR
831 ffmpeg
832 ffplay
833 ffserver
1848f7d9 834 fft
4f034993 835 golomb
c88f5d72 836 gpl
ecfc4f44 837 gprof
d8d0d0b2 838 gray
3abe5fbd 839 hardcoded_tables
c88f5d72 840 ipv6
f7b8bffe 841 libdc1394
690bfceb 842 libdirac
2eed5a46
DB
843 libfaac
844 libfaad
845 libfaadbin
c88f5d72 846 libgsm
6ebe07fb 847 libmp3lame
c88f5d72 848 libnut
0b175caa
DB
849 libopencore_amrnb
850 libopencore_amrwb
9a77d59a 851 libopenjpeg
f7cd9eed 852 libschroedinger
ae14f311 853 libspeex
150d2772 854 libtheora
c88f5d72 855 libvorbis
1cc60c47
DB
856 libx264
857 libxvid
f4d608e3 858 lpc
47a158cb 859 mdct
c88f5d72 860 memalign_hack
a8150374 861 mlib
c88f5d72
MR
862 mpegaudio_hp
863 network
3fe142e2 864 nonfree
8a3c8627 865 pic
4a24ab64 866 postproc
2b4c3615 867 powerpc_perf
68602540 868 rdft
e90f5b5a 869 runtime_cpudetect
2e35e684 870 shared
bd2216e4 871 small
2e35e684 872 static
a9ddb5b1 873 swscale_alpha
17492d5e
DB
874 vaapi
875 vdpau
9cad0e4e 876 version3
56a059ac 877 x11grab
c88f5d72 878 zlib
4a0d6686 879"
c88f5d72 880
8eee7025
DB
881THREADS_LIST='
882 beosthreads
d22e8442 883 os2threads
8eee7025
DB
884 pthreads
885 w32threads
886'
887
3f5b56e5
MR
888ARCH_LIST='
889 alpha
a2fc0f6a 890 arm
fdcd782d
MR
891 avr32
892 avr32_ap
893 avr32_uc
3f5b56e5
MR
894 bfin
895 ia64
896 m68k
897 mips
bae3abb0 898 mips64
3f5b56e5 899 parisc
79cb09b2 900 ppc
34d11b87 901 ppc64
3f5b56e5
MR
902 s390
903 sh4
904 sparc
905 sparc64
906 x86
907 x86_32
908 x86_64
909'
910
911ARCH_EXT_LIST='
1ac9331a 912 altivec
3bf96eec 913 amd3dnow
a1ef9f08 914 amd3dnowext
1ac9331a 915 armv5te
edab3048 916 armv6
ab5cb084 917 armv6t2
f55b299a 918 armvfp
3f5b56e5
MR
919 iwmmxt
920 mmi
921 mmx
d7f0920b 922 mmx2
6b18d278 923 neon
799fde37 924 ppc4xx
1bb04d5a 925 sse
9eeed841 926 ssse3
bd9d34a0 927 vis
3f5b56e5
MR
928'
929
930HAVE_LIST="
931 $ARCH_EXT_LIST
932 $THREADS_LIST
35fd8122 933 alsa_asoundlib_h
3f5b56e5 934 altivec_h
c9fdab0d 935 arpa_inet_h
e7ea5e3d 936 attribute_packed
08a85a59 937 bigendian
6bd859d6 938 bswap
ecf97f22 939 closesocket
1ac9331a 940 cmov
e16e49ac 941 conio_h
c88f5d72 942 dcbzl
f8aa696f
DB
943 dev_bktr_ioctl_bt848_h
944 dev_bktr_ioctl_meteor_h
945 dev_ic_bt8xx_h
946 dev_video_meteor_ioctl_meteor_h
947 dev_video_bktr_ioctl_bt848_h
18b67ae5 948 dlfcn_h
c88f5d72 949 dlopen
bc574408 950 dos_paths
245626d0
DB
951 ebp_available
952 ebx_available
c2a29455 953 fast_64bit
7073e9fc 954 fast_cmov
7b829d2a 955 fast_unaligned
9d99cc5a 956 fork
da9e86f8 957 gethrtime
4e68cb8a 958 GetProcessTimes
66be5b45 959 getrusage
2e1913b1 960 inet_aton
61d251db 961 inline_asm
abfc8d05 962 isatty
9f5ff83f 963 ldbrx
0b4a1821
AS
964 libdc1394_1
965 libdc1394_2
a33cab3a 966 llrint
291fd18a 967 log2
85dd97ad 968 loongson
a33cab3a 969 lrint
c88f5d72 970 lrintf
e4673692 971 lzo1x_999_compress
f8aa696f
DB
972 machine_ioctl_bt848_h
973 machine_ioctl_meteor_h
c88f5d72
MR
974 malloc_h
975 memalign
6ffa87d3 976 mkstemp
b4e806b2 977 pld
1f91cdce 978 posix_memalign
a33cab3a
MK
979 round
980 roundf
c88f5d72
MR
981 sdl
982 sdl_video_size
b507ebd1 983 setmode
72be9e73 984 socklen_t
deb29777 985 soundcard_h
f8cda19e 986 poll_h
b58412f1 987 sys_mman_h
b091aa44 988 sys_resource_h
81644c2e 989 sys_select_h
deb29777 990 sys_soundcard_h
1b6e8b73 991 sys_videoio_h
d3a4b4e0 992 ten_operands
e16e49ac 993 termios_h
b265431e 994 threads
7b04b8a0 995 truncf
ce742de2 996 vfp_args
7c5bfe7a 997 VirtualAlloc
6ff3f3e7 998 winsock2_h
cc078b5d 999 xform_asm
304d586d 1000 yasm
0cb78cef 1001"
44161118 1002
b6bb00b0
MR
1003# options emitted with CONFIG_ prefix but not available on command line
1004CONFIG_EXTRA="
9cad0e4e
DB
1005 gplv3
1006 lgplv3
b6bb00b0
MR
1007"
1008
520cc7f1 1009CMDLINE_SELECT="
3f5b56e5 1010 $ARCH_EXT_LIST
520cc7f1 1011 $CONFIG_LIST
8eee7025 1012 $THREADS_LIST
db6107b6 1013 cross_compile
520cc7f1
MR
1014 debug
1015 extra_warnings
8c6afa4d 1016 logging
d2bbb2f7 1017 optimizations
87a0fb62 1018 stripping
7595a5e4 1019 yasm
520cc7f1 1020"
426be5dc
DB
1021
1022PATHS_LIST='
d156bede 1023 bindir
14a8acf1 1024 datadir
26759c44
MR
1025 incdir
1026 libdir
26759c44
MR
1027 mandir
1028 prefix
1029 shlibdir
426be5dc
DB
1030'
1031
1032CMDLINE_SET="
1033 $PATHS_LIST
1034 arch
313c46a6 1035 as
426be5dc
DB
1036 build_suffix
1037 cc
1038 cpu
1039 cross_prefix
50567afa 1040 dep_cc
ac63af34 1041 extra_version
9da6609f
MR
1042 host_cc
1043 host_cflags
1044 host_ldflags
1045 host_libs
82bb3329 1046 host_os
684b28e0 1047 ld
426be5dc 1048 logfile
89641463 1049 nm
26759c44 1050 source_path
c5200f17
MR
1051 sysinclude
1052 sysroot
a7ada2ba 1053 target_exec
26759c44 1054 target_os
a7ada2ba 1055 target_path
426be5dc 1056"
520cc7f1 1057
89f2932b
MR
1058CMDLINE_APPEND="
1059 extra_cflags
1060"
1061
912f3148
DB
1062# code dependency declarations
1063
9eeed841 1064# architecture extensions
79cb09b2 1065altivec_deps="ppc"
3bf96eec 1066amd3dnow_deps="mmx"
a1ef9f08 1067amd3dnowext_deps="amd3dnow"
a2fc0f6a
MR
1068armv5te_deps="arm"
1069armv6_deps="arm"
ab5cb084 1070armv6t2_deps="arm"
a2fc0f6a
MR
1071armvfp_deps="arm"
1072iwmmxt_deps="arm"
e241ba14 1073mmi_deps="mips"
9eeed841 1074mmx_deps="x86"
75aa95a6 1075mmx2_deps="mmx"
a2fc0f6a 1076neon_deps="arm"
799fde37 1077ppc4xx_deps="ppc"
75aa95a6
DB
1078sse_deps="mmx"
1079ssse3_deps="sse"
bd9d34a0 1080vis_deps="sparc"
9eeed841 1081
89e053f8 1082need_memalign="altivec neon sse"
6fec122a 1083inline_asm_deps="!tms470"
89e053f8 1084
5666fd73 1085# decoders / encoders / hardware accelerators
47a158cb 1086aac_decoder_select="fft mdct"
84c04e25 1087aac_encoder_select="fft mdct"
47a158cb 1088ac3_decoder_select="fft mdct"
f4d608e3 1089alac_encoder_select="lpc"
47a158cb 1090atrac3_decoder_select="fft mdct"
4f034993 1091cavs_decoder_select="golomb"
47a158cb 1092cook_decoder_select="fft mdct"
2eef7c62 1093cscd_decoder_suggest="zlib"
47a158cb 1094dca_decoder_select="fft mdct"
e8ed9b7a 1095dnxhd_encoder_select="aandct"
2eef7c62 1096dxa_decoder_select="zlib"
baf91bb9 1097eac3_decoder_select="ac3_decoder"
84c04e25 1098eamad_decoder_select="aandct"
e8ed9b7a 1099eatgq_decoder_select="aandct"
d52b39c7 1100eatqi_decoder_select="aandct"
4f034993
MR
1101ffv1_decoder_select="golomb"
1102flac_decoder_select="golomb"
f4d608e3 1103flac_encoder_select="golomb lpc"
2eef7c62
AJ
1104flashsv_decoder_select="zlib"
1105flashsv_encoder_select="zlib"
4d4b4bd1 1106flv_encoder_select="h263_encoder"
e8ed9b7a
DB
1107h261_encoder_select="aandct"
1108h263_encoder_select="aandct"
ff418735 1109h263_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1110h263_vaapi_hwaccel_select="vaapi h263_decoder"
fe629c2d 1111h263p_encoder_select="h263_encoder"
4f034993 1112h264_decoder_select="golomb"
ff418735 1113h264_vaapi_hwaccel_deps="va_va_h"
17492d5e 1114h264_vaapi_hwaccel_select="vaapi"
711dae77 1115h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1116h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1117imc_decoder_select="fft mdct"
4f034993
MR
1118jpegls_decoder_select="golomb"
1119jpegls_encoder_select="golomb"
e8ed9b7a 1120ljpeg_encoder_select="aandct"
4f034993 1121loco_decoder_select="golomb"
e8ed9b7a
DB
1122mjpeg_encoder_select="aandct"
1123mpeg1video_encoder_select="aandct"
1124mpeg2video_encoder_select="aandct"
c37de5e1 1125mpeg4_encoder_select="h263_encoder"
711dae77 1126mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1127mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
711dae77 1128mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1129mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
ff418735 1130mpeg2_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1131mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
ff418735 1132mpeg4_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1133mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
8f6f050a 1134mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1135mpeg_xvmc_decoder_select="mpegvideo_decoder"
4e169d89
DB
1136msmpeg4v1_encoder_select="h263_encoder"
1137msmpeg4v2_encoder_select="h263_encoder"
1138msmpeg4v3_encoder_select="h263_encoder"
47a158cb
MR
1139nellymoser_decoder_select="fft mdct"
1140nellymoser_encoder_select="fft mdct"
2eef7c62
AJ
1141png_decoder_select="zlib"
1142png_encoder_select="zlib"
63cae55d 1143qdm2_decoder_select="fft mdct rdft"
b2bf38b4
DB
1144rv10_encoder_select="h263_encoder"
1145rv20_encoder_select="h263_encoder"
d52b39c7
AJ
1146rv30_decoder_select="golomb"
1147rv40_decoder_select="golomb"
4f034993
MR
1148shorten_decoder_select="golomb"
1149sonic_decoder_select="golomb"
1150sonic_encoder_select="golomb"
1151sonic_ls_encoder_select="golomb"
1152svq3_decoder_select="golomb"
bee2eac5 1153svq3_decoder_suggest="zlib"
4eef77c1 1154theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1155tiff_decoder_suggest="zlib"
1156tiff_encoder_suggest="zlib"
1157tscc_decoder_select="zlib"
ff418735 1158vc1_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1159vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
711dae77 1160vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1161vc1_vdpau_decoder_select="vdpau vc1_decoder"
47a158cb
MR
1162vorbis_decoder_select="fft mdct"
1163vorbis_encoder_select="fft mdct"
e82dc4c9
DB
1164vp6a_decoder_select="vp6_decoder"
1165vp6f_decoder_select="vp6_decoder"
47a158cb
MR
1166wmav1_decoder_select="fft mdct"
1167wmav1_encoder_select="fft mdct"
1168wmav2_decoder_select="fft mdct"
1169wmav2_encoder_select="fft mdct"
665507aa 1170wmv1_encoder_select="h263_encoder"
1746e2a9 1171wmv2_encoder_select="h263_encoder"
015f8ee0
DB
1172wmv3_decoder_select="vc1_decoder"
1173wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1174wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1175zlib_decoder_select="zlib"
1176zlib_encoder_select="zlib"
1177zmbv_decoder_select="zlib"
1178zmbv_encoder_select="zlib"
30fd06be 1179
28b80940
DB
1180# parsers
1181h264_parser_select="golomb"
1182
912f3148 1183# external libraries
1b71f045 1184libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1185libdirac_encoder_deps="libdirac"
c9171a83 1186libfaac_encoder_deps="libfaac"
69ddbd1d 1187libfaad_decoder_deps="libfaad"
4ec45764 1188libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1189libgsm_decoder_deps="libgsm"
1190libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1191libgsm_ms_decoder_deps="libgsm"
1192libgsm_ms_encoder_deps="libgsm"
1cc60c47 1193libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1194libopencore_amrnb_decoder_deps="libopencore_amrnb"
1195libopencore_amrnb_encoder_deps="libopencore_amrnb"
1196libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1197libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1198libschroedinger_decoder_deps="libschroedinger"
1199libschroedinger_encoder_deps="libschroedinger"
ae14f311 1200libspeex_decoder_deps="libspeex"
150d2772 1201libtheora_encoder_deps="libtheora"
b0caf888 1202libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1203libx264_encoder_deps="libx264"
1204libxvid_encoder_deps="libxvid"
30fd06be 1205
912f3148 1206# demuxers / muxers
03a76ba9 1207ac3_demuxer_deps="ac3_parser"
647c2356 1208asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1209avisynth_demuxer_deps="avisynth"
1210dirac_demuxer_deps="dirac_parser"
647c2356 1211ipod_muxer_select="mov_muxer"
4e622dea
SS
1212libnut_demuxer_deps="libnut"
1213libnut_muxer_deps="libnut"
647c2356 1214matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1215matroska_demuxer_suggest="zlib bzlib"
1216mov_demuxer_suggest="zlib"
1217mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1218mp4_muxer_select="mov_muxer"
1219mpegtsraw_demuxer_select="mpegts_demuxer"
1220mxf_d10_muxer_select="mxf_muxer"
1221psp_muxer_select="mov_muxer"
4e622dea
SS
1222rtp_muxer_deps="network rtp_protocol"
1223rtsp_demuxer_deps="sdp_demuxer"
1224sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
647c2356
DB
1225tg2_muxer_select="mov_muxer"
1226tgp_muxer_select="mov_muxer"
6bdaa5f4 1227w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1228
1229# indevs / outdevs
38e54a75
SS
1230alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1231alsa_indev_extralibs="-lasound"
1232alsa_outdev_deps="alsa_asoundlib_h"
1233alsa_outdev_extralibs="-lasound"
1234audio_beos_indev_deps="audio_beos"
1235audio_beos_indev_extralibs="-lmedia -lbe"
1236audio_beos_outdev_deps="audio_beos"
1237audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1238bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1239dv1394_indev_deps="dv1394 dv_demuxer"
1240jack_indev_deps="jack_jack_h"
1241jack_indev_extralibs="-ljack"
1242libdc1394_indev_deps="libdc1394"
38e54a75
SS
1243oss_indev_deps_any="soundcard_h sys_soundcard_h"
1244oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1245v4l_indev_deps="linux_videodev_h"
1246v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1247vfwcap_indev_deps="capCreateCaptureWindow"
1248vfwcap_indev_extralibs="-lvfw32"
1249x11_grab_device_indev_deps="x11grab XShmCreateImage"
1250x11_grab_device_indev_extralibs="-lX11 -lXext"
30fd06be 1251
912f3148 1252# protocols
3fff6382 1253gopher_protocol_deps="network"
c08fb000 1254http_protocol_deps="network"
cbf29889 1255rtmp_protocol_deps="tcp_protocol"
c08fb000
AB
1256rtp_protocol_deps="udp_protocol"
1257tcp_protocol_deps="network"
1258udp_protocol_deps="network"
1259
f7679c54 1260# filters
81124ba0 1261movie_filter_deps="avfilter_lavf"
f7679c54 1262
912f3148 1263# programs
fa859b4d 1264ffplay_deps="sdl"
6ad42348 1265ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1266ffserver_extralibs='$ldl'
a2830dca 1267
c73f65d9 1268doc_deps="texi2html"
912f3148 1269
de6d9b64 1270# default parameters
8a608357 1271
2ba042a7 1272logfile="config.err"
8a608357
MR
1273
1274# installation paths
c9d19248
MR
1275prefix_default="/usr/local"
1276bindir_default='${prefix}/bin'
14a8acf1 1277datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1278incdir_default='${prefix}/include'
1279libdir_default='${prefix}/lib'
1280mandir_default='${prefix}/share/man'
1281shlibdir_default="$libdir_default"
8a608357
MR
1282
1283# toolchain
11e6d03a 1284ar="ar"
13c7df3d 1285cc_default="gcc"
a3d7c197 1286cc_version=\"unknown\"
9da6609f 1287host_cc_default="gcc"
11e6d03a 1288ln_s="ln -sf"
89641463 1289nm_default="nm"
11e6d03a 1290objformat="elf"
be7109c1 1291ranlib="ranlib"
0f3cb305 1292strip="strip"
11e6d03a 1293yasmexe="yasm"
8a608357
MR
1294
1295# machine
5e622c40 1296arch=$(uname -m)
38d0a8aa 1297cpu="generic"
8a608357 1298
8a608357 1299# OS
4f854758 1300target_os=$(tolower $(uname -s))
82bb3329 1301host_os=$target_os
8a608357 1302
8a608357 1303# configurable options
497237c7 1304enable debug
c73f65d9 1305enable doc
aa033b1e 1306enable fastdiv
497237c7
RP
1307enable ffmpeg
1308enable ffplay
1309enable ffserver
1310enable ipv6
497237c7
RP
1311enable mpegaudio_hp
1312enable network
8400d6b8 1313enable optimizations
497237c7 1314enable protocols
530dc538 1315enable static
87a0fb62 1316enable stripping
a9ddb5b1 1317enable swscale_alpha
8a608357 1318
8a608357 1319# build settings
9987769a 1320SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1321FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1322LIBPREF="lib"
1323LIBSUF=".a"
c5f14466
RP
1324FULLNAME='$(NAME)$(BUILDSUF)'
1325LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1326SLIBPREF="lib"
1327SLIBSUF=".so"
c5f14466 1328SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1329SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1330SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1331LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1332
7e6c86e6
MR
1333CC_O='-o $@'
1334
f0125de9 1335host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1336host_libs='-lm'
1337
a7ada2ba
MR
1338target_path='.'
1339
0d7dca36
DB
1340# gcc stupidly only outputs the basename of targets with -MM, but we need the
1341# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1342DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1343DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1344
c597172e 1345# find source path
5e622c40 1346source_path="$(dirname "$0")"
497237c7 1347enable source_path_used
24524f36 1348if test -f configure; then
5e622c40 1349 source_path="$(pwd)"
497237c7 1350 disable source_path_used
c597172e 1351else
5e622c40 1352 source_path="$(cd "$source_path"; pwd)"
c597172e 1353 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1354 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1355 test -e "$source_path/config.h" &&
1356 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1357fi
1358
13cbe2c0 1359for v in "$@"; do
b04251c5
MR
1360 r=${v#*=}
1361 l=${v%"$r"}
1362 r=$(sh_quote "$r")
13cbe2c0
MR
1363 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1364done
c597172e 1365
73ef8980
MR
1366find_things(){
1367 thing=$1
1368 pattern=$2
1369 file=$source_path/$3
932ccf39 1370 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1371}
1372
1373ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1374DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1375HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1376PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1377BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1378MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1379DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1380OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1381INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1382PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1383FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1384
7483e694
DB
1385enable $ARCH_EXT_LIST \
1386 $DECODER_LIST \
1387 $ENCODER_LIST \
5666fd73 1388 $HWACCEL_LIST \
7483e694
DB
1389 $PARSER_LIST \
1390 $BSF_LIST \
1391 $DEMUXER_LIST \
1392 $MUXER_LIST \
f7679c54 1393 $FILTER_LIST \
7483e694
DB
1394 $PROTOCOL_LIST \
1395 $INDEV_LIST \
1396 $OUTDEV_LIST \
c597172e
MR
1397
1398die_unknown(){
1399 echo "Unknown option \"$1\"."
1400 echo "See $0 --help for available options."
1401 exit 1
1402}
1403
794f8e97 1404show_list() {
bf0c4afa
RP
1405 suffix=_$1
1406 shift
1407 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1408 exit 0
1409}
1410
c597172e 1411for opt do
7483e694
DB
1412 optval="${opt#*=}"
1413 case "$opt" in
0f010b2f 1414 --extra-ldflags=*) add_ldflags $optval
7483e694 1415 ;;
0f010b2f 1416 --extra-libs=*) add_extralibs $optval
7483e694 1417 ;;
8fb1cb58 1418 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1419 ;;
40bcf4c7
BL
1420 --enable-debug=*) debuglevel="$optval"
1421 ;;
7483e694 1422 --enable-*=*|--disable-*=*)
8b93ddc3 1423 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1424 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1425 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1426 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1427 $action $(filter "$name" $list)
7483e694
DB
1428 ;;
1429 --enable-?*|--disable-?*)
5e622c40 1430 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1431 if is_in $option $COMPONENT_LIST; then
fed5d54b 1432 test $action = disable && action=unset
e3773a55
MR
1433 eval $action \$$(toupper ${option%s})_LIST
1434 elif is_in $option $CMDLINE_SELECT; then
1435 $action $option
1436 else
1437 die_unknown $opt
1438 fi
7483e694
DB
1439 ;;
1440 --list-*)
1441 NAME="${opt#--list-}"
1442 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1443 NAME=${NAME%s}
1444 eval show_list $NAME \$$(toupper $NAME)_LIST
1445 ;;
1446 --help|-h) show_help
1447 ;;
1448 *)
884a36a7 1449 optname="${opt%%=*}"
26759c44
MR
1450 optname="${optname#--}"
1451 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1452 if is_in $optname $CMDLINE_SET; then
1453 eval $optname='$optval'
1454 elif is_in $optname $CMDLINE_APPEND; then
1455 append $optname "$optval"
1456 else
1457 die_unknown $opt
1458 fi
7483e694
DB
1459 ;;
1460 esac
c597172e
MR
1461done
1462
bcea99bb
MR
1463disabled logging && logfile=/dev/null
1464
13cbe2c0 1465echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1466set >> $logfile
1467
9da6609f
MR
1468test -n "$cross_prefix" && enable cross_compile
1469
adb2b908 1470ar="${cross_prefix}${ar}"
11e6d03a 1471cc_default="${cross_prefix}${cc_default}"
20e0ed95 1472nm_default="${cross_prefix}${nm_default}"
adb2b908
RP
1473ranlib="${cross_prefix}${ranlib}"
1474strip="${cross_prefix}${strip}"
1475
c5200f17
MR
1476sysinclude_default="${sysroot}/usr/include"
1477
75800dce 1478set_default cc nm sysinclude
9da6609f
MR
1479enabled cross_compile || host_cc_default=$cc
1480set_default host_cc
13c7df3d 1481
82bb3329
MR
1482exesuf() {
1483 case $1 in
1484 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1485 esac
1486}
1487
1488EXESUF=$(exesuf $target_os)
1489HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1490
e4e69e0b 1491# set temporary file name
a49d42c2 1492: ${TMPDIR:=$TEMPDIR}
c51fafa1 1493: ${TMPDIR:=$TMP}
a49d42c2 1494: ${TMPDIR:=/tmp}
e4e69e0b 1495
54460a83
MR
1496if ! check_cmd type mktemp; then
1497 # simple replacement for missing mktemp
1498 # NOT SAFE FOR GENERAL USE
1499 mktemp(){
1500 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1501 }
1502fi
1503
1504tmpfile(){
1505 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1506 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1507 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1508 append TMPFILES $tmp
1509 eval $1=$tmp
1510}
1511
1512trap 'rm -f -- $TMPFILES' EXIT
1513trap exit HUP INT TERM
1514
1515tmpfile TMPC .c
1516tmpfile TMPE $EXESUF
1517tmpfile TMPH .h
1518tmpfile TMPO .o
1519tmpfile TMPS .S
1520tmpfile TMPSH .sh
1521
1522unset -f mktemp
e4e69e0b 1523
993f2d0f
MR
1524# make sure we can execute files in $TMPDIR
1525cat > $TMPSH 2>> $logfile <<EOF
1526#! /bin/sh
1527EOF
1528chmod +x $TMPSH >> $logfile 2>&1
1529if ! $TMPSH >> $logfile 2>&1; then
1530 cat <<EOF
1531Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1532variable to another directory and make sure that it is not mounted noexec.
1533EOF
1534 die "Sanity test failed."
1535fi
993f2d0f 1536
19b4c628
MR
1537filter_cflags=echo
1538filter_cppflags=echo
1539filter_asflags=echo
1540
8f0c157a 1541if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1542 cc_type=gcc
a3d7c197 1543 cc_version=__VERSION__
aef6bd1b
MR
1544 if ! $cc -dumpversion | grep -q '^2\.'; then
1545 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1546 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1547 fi
629687f6
MR
1548elif $cc --version 2>/dev/null | grep -q Intel; then
1549 cc_type=icc
6e3fa35d 1550 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1551 CC_DEPFLAGS='-MMD'
1552 AS_DEPFLAGS='-MMD'
629687f6
MR
1553elif $cc -v 2>&1 | grep -q xlc; then
1554 cc_type=xlc
6e3fa35d 1555 cc_version="AV_STRINGIFY(__IBMC__)"
df442a8d
MR
1556elif $cc -V 2>/dev/null | grep -q Compaq; then
1557 cc_type=ccc
6e3fa35d 1558 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1559 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1560 debuglevel=3
df442a8d 1561 add_ldflags -Wl,-z,now # calls to libots crash without this
6a0d5493 1562elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1563 test -d "$sysroot" || die "No valid sysroot specified."
1564 cc_type=armcc
6e3fa35d 1565 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1566 armcc_conf="$PWD/armcc.conf"
1567 $cc --arm_linux_configure \
1568 --arm_linux_config_file="$armcc_conf" \
1569 --configure_sysroot="$sysroot" \
1570 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1571 die "Error creating armcc configuration file."
1572 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1573 as_default="${cross_prefix}gcc"
07dec06e
MR
1574 CC_DEPFLAGS='-MMD'
1575 AS_DEPFLAGS='-MMD'
6fec122a
MR
1576elif $cc -version 2>/dev/null | grep -q TMS470; then
1577 cc_type=tms470
6e3fa35d 1578 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1579 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1580 CC_O='-fr=$(@D)'
1581 as_default="${cross_prefix}gcc"
1582 ld_default="${cross_prefix}gcc"
6fec122a
MR
1583 TMPO=$(basename $TMPC .c).o
1584 append TMPFILES $TMPO
1585 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1586 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1587 AS_DEPFLAGS='-MMD'
6fec122a
MR
1588 filter_cflags=tms470_flags
1589 tms470_flags(){
1590 for flag; do
1591 case $flag in
1592 -march=*|-mcpu=*)
1593 case "${flag#*=}" in
1594 armv7-a|cortex-a*) echo -mv=7a8 ;;
1595 armv7-r|cortex-r*) echo -mv=7r4 ;;
1596 armv7-m|cortex-m*) echo -mv=7m3 ;;
1597 armv6*|arm11*) echo -mv=6 ;;
1598 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1599 echo -mv=5e ;;
1600 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1601 esac
1602 ;;
1603 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1604 -mfpu=vfp) echo --float_support=vfpv2 ;;
a2709020 1605 -msoft-float) echo --float_support=vfplib ;;
6fec122a
MR
1606 -Os) echo -O3 -mf=2 ;;
1607 -O[0-3]) echo $flag -mf=5 ;;
1608 -g) echo -g -mn ;;
1609 esac
1610 done
1611 }
06da6943
DC
1612elif $cc -v 2>&1 | grep -q clang; then
1613 cc_type=clang
1614 cc_version=__VERSION__
1615 CC_DEPFLAGS='-MMD'
1616 AS_DEPFLAGS='-MMD'
2a472e9c
MK
1617elif $cc -V 2>&1 | grep -q Sun; then
1618 cc_type=suncc
1619 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1620 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1621 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
629687f6
MR
1622fi
1623
1624test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1625
75bafbac 1626: ${as_default:=$cc}
50567afa 1627: ${dep_cc_default:=$cc}
684b28e0 1628: ${ld_default:=$cc}
50567afa 1629set_default as dep_cc ld
75800dce 1630
07dec06e
MR
1631test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1632test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1633
7f32f40c 1634add_cflags $extra_cflags
2f2e6c7c 1635add_asflags $extra_cflags
7f32f40c 1636
154d432c
MR
1637if test -n "$sysroot"; then
1638 case "$cc_type" in
1639 gcc)
467256f2 1640 add_cppflags --sysroot="$sysroot"
154d432c
MR
1641 add_ldflags --sysroot="$sysroot"
1642 ;;
6fec122a
MR
1643 tms470)
1644 add_cppflags -I"$sysinclude"
1645 add_ldflags --sysroot="$sysroot"
1646 ;;
06da6943
DC
1647 clang)
1648 add_cppflags -isysroot="$sysroot"
1649 add_ldflags -isysroot="$sysroot"
1650 ;;
154d432c
MR
1651 esac
1652fi
1653
d22c13a8
MR
1654if test "$cpu" = host; then
1655 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1656
1657 case "$cc_type" in
1658 gcc)
1659 check_native(){
1660 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1661 awk "/$1=/{ match(\$0, /$1=(\\w+)/, a);print a[1];exit }" $TMPE
1662 }
1663 cpu=$(check_native -march || check_native -mcpu)
1664 ;;
1665 esac
1666
1667 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1668fi
1669
df5cdc24
MR
1670# Add processor-specific flags
1671case $cpu in
1672 601|ppc601|PowerPC601)
1673 cpuflags="-mcpu=601"
1674 ;;
1675 603*|ppc603*|PowerPC603*)
1676 cpuflags="-mcpu=603"
1677 ;;
1678 604*|ppc604*|PowerPC604*)
1679 cpuflags="-mcpu=604"
1680 ;;
1681 G3|g3|75*|ppc75*|PowerPC75*)
1682 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1683 ;;
1684 G4|g4|745*|ppc745*|PowerPC745*)
1685 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1686 ;;
1687 74*|ppc74*|PowerPC74*)
1688 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1689 ;;
1690 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1691 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1692 ;;
1693 Cell|CELL|cell)
1694 cpuflags="-mcpu=cell"
1695 enable ldbrx
1696 ;;
1697 # targets that do NOT support conditional mov (cmov)
1698 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1699 cpuflags="-march=$cpu"
1700 disable cmov
1701 ;;
1702 # targets that do support conditional mov (cmov)
d3ee7715 1703 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
df5cdc24
MR
1704 cpuflags="-march=$cpu"
1705 enable cmov
1706 enable fast_cmov
1707 ;;
1708 # targets that do support conditional mov but on which it's slow
1709 pentium4|pentium4m|prescott|nocona)
1710 cpuflags="-march=$cpu"
1711 enable cmov
1712 disable fast_cmov
1713 ;;
1714 sparc64)
1715 cpuflags="-mcpu=v9"
1716 ;;
1717 arm11*|cortex*)
1718 cpuflags="-mcpu=$cpu"
1719 enable fast_unaligned
1720 ;;
1721 armv[67]*)
1722 cpuflags="-march=$cpu"
1723 enable fast_unaligned
1724 ;;
1725 armv*)
1726 cpuflags="-march=$cpu"
1727 ;;
1728 arm*)
1729 cpuflags="-mcpu=$cpu"
1730 ;;
1731 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1732 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1733 ;;
1734 bf*)
1735 cpuflags="-mcpu=$cpu"
1736 ;;
1737 mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1738 cpuflags="-march=$cpu"
1739 ;;
fdcd782d
MR
1740 ap7[02]0[0-2])
1741 subarch="avr32_ap"
1742 cpuflags="-mpart=$cpu"
1743 ;;
1744 ap)
1745 subarch="avr32_ap"
1746 cpuflags="-march=$cpu"
1747 ;;
1748 uc3[ab]*)
1749 subarch="avr32_uc"
1750 cpuflags="-mcpu=$cpu"
1751 ;;
1752 uc)
1753 subarch="avr32_uc"
1754 cpuflags="-march=$cpu"
1755 ;;
df5cdc24
MR
1756 generic)
1757 ;;
1758 *)
1759 echo "WARNING: Unknown CPU \"$cpu\", ignored."
1760 ;;
1761esac
1762
1763add_cflags $cpuflags
1764add_asflags $cpuflags
1765
993f2d0f
MR
1766# compiler sanity check
1767check_exec <<EOF
1768int main(void){ return 0; }
1769EOF
1770if test "$?" != 0; then
1771 echo "$cc is unable to create an executable file."
1772 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1773 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1774 echo "Only do this if you know what cross compiling means."
1775 fi
1776 die "C compiler test failed."
1777fi
1778
38a9c529 1779add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 1780check_cflags -std=c99
50a334e4 1781check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
1782#include <stdlib.h>
1783EOF
50a334e4 1784check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
1785#include <stdlib.h>
1786EOF
e9b9a2f8 1787
f0125de9
MR
1788check_host_cflags -std=c99
1789
b24dbcbd 1790case "$arch" in
b24dbcbd
RP
1791 alpha)
1792 arch="alpha"
1793 enable fast_64bit
c0a02a3e 1794 check_cflags -mieee
8a3c8627 1795 spic=$shared
b24dbcbd 1796 ;;
cfdb6148
MR
1797 arm|armv[4567]*l)
1798 arch="arm"
b24dbcbd 1799 ;;
f4870943
MR
1800 avr32)
1801 ;;
cfdb6148
MR
1802 bfin)
1803 arch="bfin"
1804 ;;
1805 ia64)
1806 arch="ia64"
b24dbcbd 1807 enable fast_64bit
8a3c8627 1808 spic=$shared
0956bc9b 1809 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
ffa3bd54 1810 enabled shared && enable_weak hardcoded_tables
cfdb6148
MR
1811 ;;
1812 m68k)
1813 arch="m68k"
b24dbcbd 1814 ;;
de3a1240 1815 mips|mipsel|IP*)
b24dbcbd 1816 arch="mips"
8a3c8627 1817 spic=$shared
b24dbcbd 1818 ;;
de3a1240
DB
1819 mips64)
1820 arch="mips"
bae3abb0 1821 subarch="mips64"
de3a1240 1822 enable fast_64bit
8a3c8627 1823 spic=$shared
de3a1240 1824 ;;
61597a98 1825 parisc|hppa)
b24dbcbd 1826 arch="parisc"
8a3c8627 1827 spic=$shared
b24dbcbd 1828 ;;
61597a98 1829 parisc64|hppa64)
b24dbcbd
RP
1830 arch="parisc"
1831 enable fast_64bit
8a3c8627 1832 spic=$shared
b24dbcbd 1833 ;;
cfdb6148
MR
1834 "Power Macintosh"|ppc|powerpc)
1835 arch="ppc"
1836 enable fast_unaligned
1837 ;;
1838 ppc64)
1839 arch="ppc"
34d11b87 1840 subarch="ppc64"
cfdb6148
MR
1841 enable fast_64bit
1842 enable fast_unaligned
1843 ;;
b24dbcbd
RP
1844 s390|s390x)
1845 arch="s390"
1846 ;;
cfdb6148
MR
1847 sh4|sh)
1848 arch="sh4"
b24dbcbd 1849 ;;
cfdb6148
MR
1850 sparc)
1851 arch="sparc"
8a3c8627 1852 spic=$shared
cfdb6148
MR
1853 ;;
1854 sun4u|sparc64)
1855 arch="sparc"
1856 subarch="sparc64"
b24dbcbd 1857 enable fast_64bit
8a3c8627 1858 spic=$shared
b24dbcbd 1859 ;;
de27f4d9 1860 i386|i486|i586|i686|i86pc|BePC|x86_64|amd64)
cfdb6148
MR
1861 arch="x86"
1862 subarch="x86_32"
1863 enable fast_unaligned
8a3c8627 1864 check_cc <<EOF && enable fast_64bit && subarch="x86_64" && spic=$shared
58b3536d 1865 int test[(int)sizeof(char*) - 7];
cfdb6148 1866EOF
de27f4d9
DC
1867 if test "$subarch" = "x86_64"; then
1868 enable cmov
1869 enable fast_cmov
1870 fi
b24dbcbd
RP
1871 ;;
1872 *)
1873 arch="unknown"
1874 ;;
1875esac
1876
62045d48 1877enable $arch $subarch
8a3c8627 1878enabled spic && enable pic
b24dbcbd 1879
7483e694 1880# OS specific
4f854758 1881case $target_os in
7483e694 1882 beos|haiku|zeta)
c9d19248 1883 prefix_default="$HOME/config"
7483e694 1884 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 1885 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
1886 case "$gcc_version" in
1887 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1888 disable mmx
1889 ;;
1890 *20010315*) echo "BeBits gcc"
0f010b2f 1891 add_cflags -fno-expensive-optimizations
7483e694
DB
1892 ;;
1893 esac
7483e694
DB
1894 SHFLAGS=-nostart
1895 # enable BeOS things
1896 enable audio_beos
1897 # no need for libm, but the inet stuff
1898 # Check for BONE
1899 # XXX: actually should check for NOT net_server
78fe7631 1900 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1901 network_extralibs="-lbind -lsocket"
1902 else
1903 enable beos_netserver
1904 network_extralibs="-lnet"
1905 fi ;;
1906 sunos)
1907 FFSERVERLDFLAGS=""
9987769a 1908 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 1909 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 1910 network_extralibs="-lsocket -lnsl"
50a334e4 1911 add_cppflags -D__EXTENSIONS__
7483e694
DB
1912 ;;
1913 netbsd)
07a8eef6
MR
1914 oss_indev_extralibs="-lossaudio"
1915 oss_outdev_extralibs="-lossaudio"
7483e694
DB
1916 ;;
1917 openbsd)
89e053f8 1918 enable malloc_aligned
cd78208b 1919 enable pic
7483e694 1920 SHFLAGS='-shared'
07a8eef6
MR
1921 oss_indev_extralibs="-lossaudio"
1922 oss_outdev_extralibs="-lossaudio"
7483e694 1923 ;;
90b4f091 1924 freebsd|dragonfly)
89e053f8 1925 enable malloc_aligned
7483e694
DB
1926 ;;
1927 bsd/os)
1928 osextralibs="-lpoll -lgnugetopt"
1929 strip="strip -d"
1930 ;;
1931 darwin)
89e053f8 1932 enable malloc_aligned
0138c54e 1933 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
1934 strip="strip -x"
1935 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1936 SLIBSUF=".dylib"
1937 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1938 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1939 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1940 objformat="macho"
1b0f6fb8 1941 enabled x86_64 && objformat="macho64"
8dfa86f7 1942 enabled_any pic shared ||
2704bd1a 1943 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
1944 ;;
1945 mingw32*)
9d3f4f50 1946 if test $target_os = "mingw32ce"; then
1aa71e25
MS
1947 disable network
1948 else
1949 target_os=mingw32
1950 fi
dcc01c06 1951 LIBTARGET=i386
1fc9fb8a 1952 if enabled x86_64; then
89e053f8 1953 enable malloc_aligned
dcc01c06 1954 LIBTARGET=x64
336cc1b0
MS
1955 elif enabled arm; then
1956 LIBTARGET=arm
dcc01c06 1957 fi
fbd971a4 1958 shlibdir_default="$bindir_default"
7483e694
DB
1959 disable ffserver
1960 SLIBPREF=""
1961 SLIBSUF=".dll"
7483e694
DB
1962 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1963 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 1964 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 1965 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
1966 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1967 install -d "$(LIBDIR)"; \
1968 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 1969 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 1970 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1971 objformat="win32"
bc574408 1972 enable dos_paths
1894e741 1973 check_cflags -fno-common
b1549d61 1974 if ! enabled x86_64; then
f7ad5aa2
RP
1975 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1976 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 1977 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 1978 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 1979 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
f7ad5aa2 1980 fi
7483e694
DB
1981 ;;
1982 cygwin*)
4f854758 1983 target_os=cygwin
fbd971a4 1984 shlibdir_default="$bindir_default"
7483e694
DB
1985 SLIBPREF="cyg"
1986 SLIBSUF=".dll"
1987 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1988 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1989 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1990 objformat="win32"
bc574408 1991 enable dos_paths
1894e741 1992 check_cflags -fno-common
7483e694 1993 ;;
4f365f37 1994 *-dos|freedos|opendos)
fdf11906 1995 disable ffplay ffserver
4f365f37
MK
1996 disable $INDEV_LIST $OUTDEV_LIST
1997 network_extralibs="-lsocket"
ff1c015d 1998 objformat="coff"
bc574408 1999 enable dos_paths
4f365f37 2000 ;;
7483e694 2001 linux)
7483e694
DB
2002 enable dv1394
2003 ;;
2004 irix*)
4f854758 2005 target_os=irix
7483e694
DB
2006 ranlib="echo ignoring ranlib"
2007 ;;
d22e8442 2008 os/2*)
d22e8442
DY
2009 strip="lxlite"
2010 ln_s="cp -f"
d22e8442 2011 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2012 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2013 FFSERVERLDFLAGS=""
287d3b13 2014 LIBSUF="_s.a"
d22e8442
DY
2015 SLIBPREF=""
2016 SLIBSUF=".dll"
2017 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2018 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2019 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2020 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2021 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2022 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2023 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2024 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2025 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2026 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2027 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2028 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2029 enable dos_paths
d22e8442 2030 ;;
83993c1c
AM
2031 gnu/kfreebsd)
2032 ;;
34e82167 2033 gnu)
34e82167 2034 ;;
d22e8442 2035
7483e694 2036 *)
4f924f9a 2037 die "Unknown OS '$target_os'."
7483e694
DB
2038 ;;
2039esac
2040
c9d19248
MR
2041set_default $PATHS_LIST
2042
c597172e 2043add_extralibs $osextralibs
de6d9b64 2044
28d8e661
DB
2045# Combine FFLDFLAGS and the LDFLAGS environment variable.
2046LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2047
320d060a 2048# we need to build at least one lib type
93b3c083 2049if ! enabled_any static shared; then
320d060a
DB
2050 cat <<EOF
2051At least one library type must be built.
2052Specify --enable-static to build the static libraries or --enable-shared to
2053build the shared libraries as well. To only build the shared libraries specify
2054--disable-static in addition to --enable-shared.
2055EOF
2056 exit 1;
2057fi
2058
abc4e572 2059disabled static && LIBNAME=""
2a320695 2060
a2234ceb
RP
2061if enabled_any libfaad libfaadbin ; then
2062 if check_header faad.h; then
295b8c70 2063 check_cc <<EOF
a2234ceb
RP
2064#include <faad.h>
2065#ifndef FAAD2_VERSION
2066ok faad1
2067#endif
db817cf3 2068int main(void) { return 0; }
a2234ceb
RP
2069EOF
2070 test $? = 0 && enable libfaad2
2071 else
ff3dac65 2072 die "FAAD test failed."
a2234ceb
RP
2073 fi
2074fi
2075
2076
2184c6f7 2077die_license_disabled() {
4c27207c 2078 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2079}
2080
2081die_license_disabled gpl libfaad2
2082die_license_disabled gpl libx264
2083die_license_disabled gpl libxvid
2084die_license_disabled gpl postproc
2085die_license_disabled gpl x11grab
2086
2f7ae63b 2087die_license_disabled nonfree libfaac
b2e3c528 2088
0b175caa
DB
2089die_license_disabled version3 libopencore_amrnb
2090die_license_disabled version3 libopencore_amrwb
2091
9cad0e4e 2092enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2093
9eeed841 2094check_deps $ARCH_EXT_LIST
0f3cb305 2095
40617a6d 2096disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2097
e276d9e8
MR
2098enable_pic() {
2099 enable pic
bce7b696
MR
2100 add_cppflags -DPIC
2101 add_cflags -fPIC
2102 add_asflags -fPIC
e276d9e8
MR
2103}
2104
2105enabled pic && enable_pic
bce7b696 2106
b4d96ba2
MR
2107check_cc <<EOF || die "Symbol mangling check failed."
2108int ff_extern;
2109EOF
2f05d9c1 2110sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
2111extern_prefix=${sym%%ff_extern*}
2112
f65883c8
MR
2113check_cc <<EOF && enable inline_asm
2114void foo(void) { __asm__ volatile ("" ::); }
2115EOF
61d251db 2116
df5e3978
MR
2117_restrict=
2118for restrict_keyword in restrict __restrict__ __restrict; do
2119 check_cc <<EOF && _restrict=$restrict_keyword && break
2120void foo(char * $restrict_keyword p);
2121EOF
2122done
2123
2124check_cc <<EOF && enable attribute_packed
2125struct { int x; } __attribute__((packed)) x;
2126EOF
2127
2128check_cc <<EOF || die "endian test failed"
2129unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2130EOF
2131od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2132
fa0912fe 2133if enabled arm; then
e45391bb 2134
50fa82e6
MR
2135 check_cflags -marm
2136
fa0912fe
MR
2137 check_ld <<EOF && enable vfp_args
2138__asm__ (".eabi_attribute 28, 1");
2139int main(void) { return 0; }
2140EOF
2141
2142 # We have to check if pld is a nop and disable it.
2143 check_asm pld '"pld [r0]"'
2144
2145 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2146 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2147 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2148 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2149 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2150 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2151
e276d9e8
MR
2152 enabled_all armv6t2 shared !pic && enable_pic
2153
fa0912fe 2154elif enabled mips; then
e45391bb 2155
fa0912fe
MR
2156 check_asm loongson '"dmult.g $1, $2, $3"'
2157 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2158
fa0912fe 2159elif enabled ppc; then
e45391bb 2160
fa0912fe
MR
2161 check_asm dcbzl '"dcbzl 0, 1"'
2162 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2163 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2164
2165 # AltiVec flags: The FSF version of GCC differs from the Apple version
2166 if enabled altivec; then
2167 check_cflags -maltivec -mabi=altivec &&
2168 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2169 check_cflags -faltivec
2170
2171 # check if our compiler supports Motorola AltiVec C API
2172 check_cc <<EOF || disable altivec
2173$inc_altivec_h
2174int main(void) {
2175 vector signed int v1, v2, v3;
2176 v1 = vec_add(v2,v3);
2177 return 0;
2178}
2179EOF
2180
2181 # check if our compiler supports braces for vector declarations
2182 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2183$inc_altivec_h
2184int main (void) { (vector int) {1}; return 0; }
2185EOF
2186 fi
e45391bb 2187
fa0912fe 2188elif enabled sparc; then
e45391bb 2189
fa0912fe
MR
2190 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2191 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2192
fa0912fe 2193elif enabled x86; then
e45391bb 2194
44965991
PI
2195 # check whether EBP is available on x86
2196 # As 'i' is stored on the stack, this program will crash
2197 # if the base pointer is used to access it because the
2198 # base pointer is cleared in the inline assembly code.
7dfef245 2199 check_exec_crash <<EOF && enable ebp_available
44965991 2200 volatile int i=0;
be449fca 2201 __asm__ volatile (
44965991
PI
2202 "xorl %%ebp, %%ebp"
2203 ::: "%ebp");
2204 return i;
44965991
PI
2205EOF
2206
f494213c 2207 # check whether EBX is available on x86
7cee5421
MR
2208 check_asm ebx_available '""::"b"(0)' &&
2209 check_asm ebx_available '"":::"%ebx"'
8e380710 2210
d3a4b4e0
DB
2211 # check whether more than 10 operands are supported
2212 check_cc <<EOF && enable ten_operands
2213int main(void) {
2214 int x=0;
2215 __asm__ volatile(
2216 ""
2217 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2218 );
2219 return 0;
2220}
2221EOF
2222
d7f0920b 2223 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2224 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2225 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2226
2227 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2228
d52481b9 2229 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2230 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2231 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2232 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2233 case "$objformat" in
2234 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
5f36d94d 2235 macho64) append YASMFLAGS "-DPIC" ;;
304d586d 2236 esac
7595a5e4 2237 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2238
44965991
PI
2239fi
2240
a98bb16d
RP
2241if check_func dlopen; then
2242 ldl=
2243elif check_func dlopen -ldl; then
2244 ldl=-ldl
8bf5d58f
MN
2245fi
2246
75ecf149
DB
2247# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2248check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2249
7483e694
DB
2250check_func fork
2251check_func gethrtime
2252check_func getrusage
094c09bb 2253check_func inet_aton $network_extralibs
abfc8d05 2254check_func isatty
7483e694
DB
2255check_func memalign
2256check_func mkstemp
1f91cdce 2257check_func posix_memalign
b507ebd1 2258check_func_headers io.h setmode
e4673692 2259check_func_headers lzo/lzo1x.h lzo1x_999_compress
2446d3d6 2260check_func_headers windows.h GetProcessTimes
7c5bfe7a 2261check_func_headers windows.h VirtualAlloc
6ffa87d3 2262
e16e49ac 2263check_header conio.h
a98bb16d
RP
2264check_header dlfcn.h
2265check_header malloc.h
bf6ce82d 2266check_header poll.h
b58412f1 2267check_header sys/mman.h
b091aa44 2268check_header sys/resource.h
bf6ce82d 2269check_header sys/select.h
a98bb16d 2270check_header termios.h
272081b0
CEH
2271check_header vdpau/vdpau.h
2272check_header vdpau/vdpau_x11.h
68178ca9 2273check_header X11/extensions/XvMClib.h
a98bb16d 2274
89e053f8
MR
2275if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2276 enabled_any $need_memalign ; then
1f91cdce 2277 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2278fi
e16e49ac 2279
a4fa192c 2280disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2281disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2282
2283# check for some common methods of building with pthread support
2284# do this before the optional library checks as some of them require pthreads
2285if enabled pthreads; then
9e7fd101
MR
2286 if check_func pthread_create; then
2287 :
2288 elif check_func pthread_create -pthread; then
2289 add_cflags -pthread
afc9aee2 2290 add_extralibs -pthread
9e7fd101
MR
2291 elif check_func pthread_create -pthreads; then
2292 add_cflags -pthreads
afc9aee2 2293 add_extralibs -pthreads
8d94f606
GT
2294 elif check_func pthread_create -lpthreadGC2; then
2295 add_extralibs -lpthreadGC2
9e7fd101
MR
2296 elif ! check_lib pthread.h pthread_create -lpthread; then
2297 die "ERROR: can't find pthreads library"
2298 fi
57bd82d4
MR
2299fi
2300
8eee7025 2301for thread in $THREADS_LIST; do
e5f94c2b 2302 if enabled $thread; then
3ae3b721
RP
2303 test -n "$thread_type" &&
2304 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2305 thread_type="$thread"
e5f94c2b
RP
2306 fi
2307done
2308
fdf88598 2309check_lib math.h sin -lm
ff418735 2310check_lib va/va.h vaInitialize -lva
fdf88598 2311
ad420e25
MR
2312check_func llrint
2313check_func log2
2314check_func lrint
2315check_func lrintf
2316check_func round
2317check_func roundf
2318check_func truncf
f32adb22 2319
57bd82d4 2320# these are off by default, so fail if requested and not available
79fda097 2321enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
e3cc7d6f 2322enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2323 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2324 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2325enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2326enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694 2327enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2bfecf73 2328enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2329enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2330enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2331enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2332enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2333enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2334 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2335enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
7483e694
DB
2336enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
2337enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
e69bb386 2338enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
19538981
JGG
2339 { check_cpp_condition x264.h "X264_BUILD >= 78" ||
2340 die "ERROR: libx264 version must be >= 0.78."; }
2bfecf73 2341enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2342enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2343
0b4a1821
AS
2344# libdc1394 check
2345if enabled libdc1394; then
2346 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2347 enable libdc1394_2; } ||
2348 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2349 enable libdc1394_1; } ||
2350 die "ERROR: No version of libdc1394 found "
2351fi
2352
497237c7
RP
2353disable sdl_too_old
2354disable sdl
6a1a892f 2355SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2356if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2357 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2358 sdl_libs=$("${SDL_CONFIG}" --libs)
225e21ef 2359 temp_cflags $sdl_cflags
b4f93564 2360 temp_extralibs $sdl_libs
1ca5d97f 2361 if check_lib2 SDL.h SDL_Init; then
5e622c40 2362 _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
29f3b38a 2363 if test "$_sdlversion" -lt 121 ; then
497237c7 2364 enable sdl_too_old
dcd479c0 2365 else
497237c7 2366 enable sdl
225e21ef 2367 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 2368#include <SDL.h>
d6773f56 2369int main(int argc, char **argv){
29f3b38a
MR
2370 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2371 int w = vi->current_w;
2372 return 0;
2373}
2374EOF
dcd479c0
MR
2375 fi
2376 fi
29f3b38a 2377 restore_flags
c3f6b472 2378fi
57bd82d4 2379
2270b4b2 2380texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2381
73b46a95 2382if enabled network; then
96000432 2383 check_type "sys/types.h sys/socket.h" socklen_t
73b46a95
RP
2384 # Prefer arpa/inet.h over winsock2
2385 if check_header arpa/inet.h ; then
2386 check_func closesocket
2387 elif check_header winsock2.h ; then
f4c13872
MS
2388 check_func_headers winsock2.h closesocket -lws2 && \
2389 network_extralibs="-lws2" || \
2390 { check_func_headers winsock2.h closesocket -lws2_32 && \
2391 network_extralibs="-lws2_32"; }
72be9e73 2392 check_type ws2tcpip.h socklen_t
28c9f069
MK
2393 else
2394 disable network
73b46a95
RP
2395 fi
2396fi
2397
b6f3d925 2398enabled_all network ipv6 && check_ld <<EOF || disable ipv6
7a91333f
HZ
2399#include <sys/types.h>
2400#include <sys/socket.h>
2401#include <netinet/in.h>
2402#include <netdb.h>
db817cf3 2403int main(void) {
7483e694
DB
2404 struct sockaddr_storage saddr;
2405 struct ipv6_mreq mreq6;
2406 getaddrinfo(0,0,0,0);
2407 getnameinfo(0,0,0,0,0,0,0);
2408 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
2409}
2410EOF
2411
06e31011
RP
2412check_header linux/videodev.h
2413check_header linux/videodev2.h
1b6e8b73 2414check_header sys/videoio.h
47f38850 2415
2446d3d6 2416check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 2417
f8aa696f 2418# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2419{ check_header dev/bktr/ioctl_meteor.h &&
2420 check_header dev/bktr/ioctl_bt848.h; } ||
2421{ check_header machine/ioctl_meteor.h &&
2422 check_header machine/ioctl_bt848.h; } ||
2423{ check_header dev/video/meteor/ioctl_meteor.h &&
2424 check_header dev/video/bktr/ioctl_bt848.h; } ||
2425check_header dev/ic/bt8xx.h
f8aa696f 2426
c7682de0
RP
2427check_header sys/soundcard.h
2428check_header soundcard.h
deb29777 2429
b6f3d925 2430enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2431
0e57fe17 2432enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2433
56a059ac 2434enabled x11grab &&
f58f4ce1
GP
2435check_header X11/Xlib.h &&
2436check_header X11/extensions/XShm.h &&
2437check_func XOpenDisplay -lX11 &&
06eab4ba 2438check_func XShmCreateImage -lX11 -lXext
f58f4ce1 2439
95e561ec 2440enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2441
2442# add some useful compiler flags if supported
2443check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2444check_cflags -Wall
2445check_cflags -Wno-switch
c07bd6a9
MN
2446check_cflags -Wdisabled-optimization
2447check_cflags -Wpointer-arith
2448check_cflags -Wredundant-decls
cc1fb623 2449check_cflags -Wno-pointer-sign
f4929996 2450check_cflags -Wcast-qual
9aceb3cf 2451check_cflags -Wwrite-strings
652a5bf6 2452check_cflags -Wtype-limits
764551c6 2453check_cflags -Wundef
5af4e0cc 2454enabled extra_warnings && check_cflags -Winline
cf9d24ad 2455
57bd82d4 2456# add some linker flags
5c0e9479 2457check_ldflags -Wl,--warn-common
8351d2ba
DB
2458check_ldflags -Wl,--as-needed
2459check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
c2fd6530 2460check_ldflags -Wl,-Bsymbolic
94a3401e 2461
bd2216e4
MR
2462if enabled small; then
2463 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
2464 optimizations="small"
2465elif enabled optimizations; then
629687f6 2466 if enabled xlc; then
0f010b2f
DB
2467 add_cflags -O5
2468 add_ldflags -O5
df442a8d
MR
2469 elif enabled ccc; then
2470 add_cflags -fast
cf9d24ad 2471 else
0f010b2f 2472 add_cflags -O3
cf9d24ad 2473 fi
cddf3f45 2474fi
11fdbc44 2475check_cflags -fno-math-errno
b2eb2ff0 2476check_cflags -fno-signed-zeros
cddf3f45 2477
629687f6 2478if enabled icc; then
b1598b58
MR
2479 # Just warnings, no remarks
2480 check_cflags -w1
2481 # -wd: Disable following warnings
2482 # 144, 167, 556: -Wno-pointer-sign
2483 # 10006: ignoring unknown option -fno-signed-zeros
2484 # 10156: ignoring option '-W'; no argument required
2485 check_cflags -wd144,167,556,10006,10156
2486 # 11030: Warning unknown option --as-needed
2487 # 10156: ignoring option '-export'; no argument required
2488 check_ldflags -wd10156,11030
2489 # Allow to compile with optimizations
2490 check_ldflags -march=$cpu
be2cf98a
CEH
2491 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2492 enable ebp_available
df442a8d
MR
2493elif enabled ccc; then
2494 # disable some annoying warnings
2495 add_cflags -msg_disable cvtu32to64
2496 add_cflags -msg_disable embedcomment
2497 add_cflags -msg_disable needconstext
2498 add_cflags -msg_disable nomainieee
2499 add_cflags -msg_disable ptrmismatch1
2500 add_cflags -msg_disable unreachcode
973859f5
MR
2501elif enabled gcc; then
2502 check_cflags -fno-tree-vectorize
06da6943
DC
2503elif enabled clang; then
2504 check_cflags -Qunused-arguments
504a64b9
CEH
2505fi
2506
90be59ef 2507if enabled gprof; then
0f010b2f
DB
2508 add_cflags -p
2509 add_ldflags -p
1db54e20
DB
2510fi
2511
7f3c02fc 2512# Find out if the .align argument is a power of two or not.
9377b6ce 2513check_asm asmalign_pot '".align 3"'
4454dc1b 2514
7483e694
DB
2515enabled_any $DECODER_LIST && enable decoders
2516enabled_any $ENCODER_LIST && enable encoders
5666fd73 2517enabled_any $HWACCEL_LIST && enable hwaccels
7483e694
DB
2518enabled_any $BSF_LIST && enable bsfs
2519enabled_any $DEMUXER_LIST && enable demuxers
2520enabled_any $MUXER_LIST && enable muxers
f7679c54 2521enabled_any $FILTER_LIST && enable filters
63d72fda
DB
2522enabled_any $INDEV_LIST && enable indevs
2523enabled_any $OUTDEV_LIST && enable outdevs
7483e694
DB
2524enabled_any $PROTOCOL_LIST && enable protocols
2525
2526enabled_any $THREADS_LIST && enable threads
2527
2528check_deps $CONFIG_LIST \
b6bb00b0 2529 $CONFIG_EXTRA \
7483e694
DB
2530 $HAVE_LIST \
2531 $DECODER_LIST \
2532 $ENCODER_LIST \
5666fd73 2533 $HWACCEL_LIST \
7483e694
DB
2534 $PARSER_LIST \
2535 $BSF_LIST \
2536 $DEMUXER_LIST \
2537 $MUXER_LIST \
f7679c54 2538 $FILTER_LIST \
7483e694
DB
2539 $INDEV_LIST \
2540 $OUTDEV_LIST \
2541 $PROTOCOL_LIST \
f70f03f6 2542
3e89171a 2543echo "install prefix $prefix"
f36958f8
DB
2544echo "source path $source_path"
2545echo "C compiler $cc"
bfd5afd8 2546echo ".align is power-of-two $asmalign_pot"
f36958f8 2547echo "ARCH $arch ($cpu)"
ce8871c2
MR
2548if test "$build_suffix" != ""; then
2549 echo "build suffix $build_suffix"
eb94aca9 2550fi
ac63af34
DB
2551if test "$extra_version" != ""; then
2552 echo "version string suffix $extra_version"
2553fi
0db2ce77 2554echo "big-endian ${bigendian-no}"
e90f5b5a 2555echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2556if enabled x86; then
af44e8e4 2557 echo "yasm ${yasm-no}"
0db2ce77 2558 echo "MMX enabled ${mmx-no}"
30e98e62 2559 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2560 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2561 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2562 echo "SSE enabled ${sse-no}"
30e98e62 2563 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2564 echo "CMOV enabled ${cmov-no}"
2565 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2566 echo "EBX available ${ebx_available-no}"
2567 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2568 echo "10 operands supported ${ten_operands-no}"
e41e8342 2569fi
5b6c2cbd 2570if enabled arm; then
0db2ce77
MR
2571 echo "ARMv5TE enabled ${armv5te-no}"
2572 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2573 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2574 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2575 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2576 echo "NEON enabled ${neon-no}"
eba9ae3c 2577fi
5b6c2cbd 2578if enabled mips; then
0db2ce77 2579 echo "MMI enabled ${mmi-no}"
e41e8342 2580fi
5b6c2cbd 2581if enabled ppc; then
0db2ce77 2582 echo "AltiVec enabled ${altivec-no}"
30e98e62 2583 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2584 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2585 echo "performance report ${powerpc_perf-no}"
2586fi
2587if enabled sparc; then
2588 echo "VIS enabled ${vis-no}"
e41e8342 2589fi
0db2ce77
MR
2590echo "gprof enabled ${gprof-no}"
2591echo "debug symbols ${debug-no}"
87a0fb62 2592echo "strip symbols ${stripping-no}"
8400d6b8 2593echo "optimizations ${optimizations-no}"
0db2ce77
MR
2594echo "static ${static-no}"
2595echo "shared ${shared-no}"
4a24ab64 2596echo "postprocessing support ${postproc-no}"
f7679c54 2597echo "new filter support ${avfilter-no}"
81124ba0 2598echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2599echo "network support ${network-no}"
90be59ef 2600if enabled network; then
0db2ce77 2601 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2602fi
0db2ce77
MR
2603echo "threading support ${thread_type-no}"
2604echo "SDL support ${sdl-no}"
90be59ef 2605if enabled sdl_too_old; then
bfd5afd8
DB
2606 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2607fi
0db2ce77
MR
2608echo "Sun medialib support ${mlib-no}"
2609echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2610echo "libdc1394 support ${libdc1394-no}"
690bfceb 2611echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2612echo "libfaac enabled ${libfaac-no}"
2613echo "libfaad enabled ${libfaad-no}"
7e0871a7 2614echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2615echo "libgsm enabled ${libgsm-no}"
2616echo "libmp3lame enabled ${libmp3lame-no}"
2617echo "libnut enabled ${libnut-no}"
0b175caa
DB
2618echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2619echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2620echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2621echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2622echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2623echo "libtheora enabled ${libtheora-no}"
2624echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2625echo "libx264 enabled ${libx264-no}"
2626echo "libxvid enabled ${libxvid-no}"
0db2ce77 2627echo "zlib enabled ${zlib-no}"
f402916e 2628echo "bzlib enabled ${bzlib-no}"
2c62e737 2629echo
de6d9b64 2630
5666fd73 2631for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2632 echo "Enabled ${type}s:"
f65c9da1 2633 eval list=\$$(toupper $type)_LIST
8138b9db 2634 for part in $list; do
f65c9da1
MR
2635 enabled $part && echo ${part%_*}
2636 done | sort | pr -3 -t
2637 echo
8138b9db
RP
2638done
2639
ba7a7039 2640license="LGPL version 2.1 or later"
ba321adb 2641if enabled nonfree; then
ba7a7039 2642 license="nonfree and unredistributable"
9cad0e4e
DB
2643elif enabled gplv3; then
2644 license="GPL version 3 or later"
2645elif enabled lgplv3; then
2646 license="LGPL version 3 or later"
ba321adb 2647elif enabled gpl; then
ba7a7039 2648 license="GPL version 2 or later"
ba321adb
JK
2649fi
2650
2651echo "License: $license"
ca5323af 2652
cf1392e9
DB
2653echo "Creating config.mak and config.h..."
2654
ad212cc6
MR
2655enabled stripping || strip="echo skipping strip"
2656
173c983b
MR
2657cat > config.mak <<EOF
2658# Automatically generated by configure - do not modify!
2659ifndef FFMPEG_CONFIG_MAK
2660FFMPEG_CONFIG_MAK=1
2661FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2662prefix=$prefix
2663LIBDIR=\$(DESTDIR)$libdir
2664SHLIBDIR=\$(DESTDIR)$shlibdir
2665INCDIR=\$(DESTDIR)$incdir
2666BINDIR=\$(DESTDIR)$bindir
2667DATADIR=\$(DESTDIR)$datadir
2668MANDIR=\$(DESTDIR)$mandir
2669SRC_PATH="$source_path"
2670SRC_PATH_BARE=$source_path
2671BUILD_ROOT="$PWD"
2672ARCH=$arch
2673CC=$cc
2674AS=$as
2675LD=$ld
2676DEPCC=$dep_cc
2677YASM=$yasmexe
2678AR=$ar
2679RANLIB=$ranlib
2680LN_S=$ln_s
2681STRIP=$strip
2682CPPFLAGS=$CPPFLAGS
2683CFLAGS=$CFLAGS
2684ASFLAGS=$ASFLAGS
2685CC_O=$CC_O
2686LDFLAGS=$LDFLAGS
2687FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2688SHFLAGS=$SHFLAGS
2689YASMFLAGS=$YASMFLAGS
2690BUILDSUF=$build_suffix
2691FULLNAME=$FULLNAME
2692LIBPREF=$LIBPREF
2693LIBSUF=$LIBSUF
2694LIBNAME=$LIBNAME
2695SLIBPREF=$SLIBPREF
2696SLIBSUF=$SLIBSUF
2697EXESUF=$EXESUF
2698EXTRA_VERSION=$extra_version
2699DEPFLAGS=$DEPFLAGS
2700CCDEP=$CCDEP
2701ASDEP=$ASDEP
2702CC_DEPFLAGS=$CC_DEPFLAGS
2703AS_DEPFLAGS=$AS_DEPFLAGS
2704HOSTCC=$host_cc
2705HOSTCFLAGS=$host_cflags
2706HOSTEXESUF=$HOSTEXESUF
2707HOSTLDFLAGS=$host_ldflags
2708HOSTLIBS=$host_libs
2709TARGET_EXEC=$target_exec
2710TARGET_PATH=$target_path
2711SDL_LIBS=$sdl_libs
2712SDL_CFLAGS=$sdl_cflags
2713LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2714EXTRALIBS=$extralibs
2715EOF
5a872801 2716
719c8e00
MR
2717get_version(){
2718 name=$1
2719 file=$source_path/$2
147e7692
MR
2720 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2721 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2722 lcname=$(tolower $name)
2723 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2724 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2725}
2726
147e7692
MR
2727get_version LIBSWSCALE libswscale/swscale.h
2728get_version LIBPOSTPROC libpostproc/postprocess.h
2729get_version LIBAVCODEC libavcodec/avcodec.h
2730get_version LIBAVDEVICE libavdevice/avdevice.h
2731get_version LIBAVFORMAT libavformat/avformat.h
2732get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2733get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2734
173c983b
MR
2735enabled shared && cat >> config.mak <<EOF
2736LIBTARGET=${LIBTARGET}
2737SLIBNAME=${SLIBNAME}
2738SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2739SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2740SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2741SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2742SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2743SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2744EOF
523ef551 2745
173c983b
MR
2746enabled asmalign_pot || align_shift="1 <<"
2747
2748cat > $TMPH <<EOF
2749/* Automatically generated by configure - do not modify! */
2750#ifndef FFMPEG_CONFIG_H
2751#define FFMPEG_CONFIG_H
2752#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
2753#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2754#define CC_TYPE "$cc_type"
2755#define CC_VERSION $cc_version
2756#define restrict $_restrict
2757#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
2758#define EXTERN_PREFIX "${extern_prefix}"
2759#define EXTERN_ASM ${extern_prefix}
2760EOF
523ef551
DB
2761
2762if enabled small || disabled optimizations; then
2763 echo "#define av_always_inline" >> $TMPH
2764fi
2765
3d907e22
MR
2766print_config ARCH_ $TMPH config.mak $ARCH_LIST
2767print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2768print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2769 $CONFIG_EXTRA \
7483e694
DB
2770 $DECODER_LIST \
2771 $ENCODER_LIST \
5666fd73 2772 $HWACCEL_LIST \
7483e694
DB
2773 $PARSER_LIST \
2774 $BSF_LIST \
2775 $DEMUXER_LIST \
2776 $MUXER_LIST \
f7679c54 2777 $FILTER_LIST \
7483e694
DB
2778 $PROTOCOL_LIST \
2779 $INDEV_LIST \
2780 $OUTDEV_LIST \
8ac17293 2781
9c05103f 2782echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 2783echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 2784
b7860763 2785# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2786cmp -s $TMPH config.h &&
2787 echo "config.h is unchanged" ||
2788 mv -f $TMPH config.h
3d204385 2789
165af439 2790# build tree in object directory if source path is different from current one
90be59ef 2791if enabled source_path_used; then
b767b9cd
MR
2792 DIRS="
2793 doc
2794 libavcodec
2795 libavcodec/$arch
2796 libavdevice
2797 libavfilter
2798 libavformat
2799 libavutil
2800 libavutil/$arch
2801 libpostproc
2802 libswscale
2803 libswscale/$arch
2804 tests
2805 tools
2806 "
2807 FILES="
2808 Makefile
2809 common.mak
2810 subdir.mak
2811 doc/texi2pod.pl
2812 libavcodec/Makefile
2813 libavdevice/Makefile
2814 libavfilter/Makefile
2815 libavformat/Makefile
2816 libavutil/Makefile
2817 libpostproc/Makefile
2818 libswscale/Makefile
2819 "
165af439 2820 for dir in $DIRS ; do
7483e694 2821 mkdir -p $dir
165af439
MR
2822 done
2823 for f in $FILES ; do
20369773 2824 $ln_s "$source_path/$f" $f
165af439
MR
2825 done
2826fi
def4272a 2827
def4272a 2828
d0674868 2829# build pkg-config files
def4272a 2830
d0674868
DB
2831pkgconfig_generate(){
2832name=$1
b0dfd108 2833shortname=${name#lib}${build_suffix}
d0674868
DB
2834comment=$2
2835version=$3
2836libs=$4
2837requires=$5
25cd5cb3 2838cat <<EOF > $name/$name.pc
3e89171a 2839prefix=$prefix
a94e666c 2840exec_prefix=\${prefix}
f2b7382c 2841libdir=$libdir
7622778e 2842includedir=$incdir
def4272a 2843
d0674868
DB
2844Name: $name
2845Description: $comment
2846Version: $version
8cd6b388 2847Requires: $(enabled shared || echo $requires)
5dcfe9f8 2848Requires.private: $(enabled shared && echo $requires)
def4272a 2849Conflicts:
8cd6b388 2850Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 2851Libs.private: $(enabled shared && echo $libs)
76a448ed 2852Cflags: -I\${includedir}
def4272a 2853EOF
25cd5cb3 2854cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2855prefix=
2856exec_prefix=
46d1ff83 2857libdir=\${pcfiledir}
1d44d365 2858includedir=${source_path}
def4272a 2859
d0674868
DB
2860Name: $name
2861Description: $comment
2862Version: $version
2863Requires: $requires
def4272a 2864Conflicts:
12701f6e 2865Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2866Cflags: -I\${includedir}
2867EOF
d0674868 2868}
def4272a 2869
e426941d 2870pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
2871pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2872pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2873pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2874enabled avfilter &&
46983309 2875 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2876enabled postproc &&
e426941d 2877 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 2878pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"