Make sure mp1/mp2 get their frame_size set.
[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
336ce917 85 --disable-ffprobe disable ffprobe build
06454877 86 --disable-ffserver disable ffserver build
5a0f7131
MR
87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
06454877
MR
91 --enable-postproc enable GPLed postprocessing support [no]
92 --enable-avfilter video filter support [no]
93 --enable-avfilter-lavf video filters dependent on avformat [no]
94 --enable-beosthreads use BeOS threads [no]
95 --enable-os2threads use OS/2 threads [no]
96 --enable-pthreads use pthreads [no]
97 --enable-w32threads use Win32 threads [no]
98 --enable-x11grab enable X11 grabbing [no]
99 --disable-network disable network support [no]
06454877
MR
100 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
103 --disable-fastdiv disable table-based division
104 --enable-small optimize for size instead of speed
105 --disable-aandct disable AAN DCT code
7f3f5f46 106 --disable-dct disable DCT code
06454877
MR
107 --disable-fft disable FFT code
108 --disable-golomb disable Golomb code
109 --disable-lpc disable LPC code
110 --disable-mdct disable MDCT code
111 --disable-rdft disable RDFT code
112 --disable-vaapi disable VAAPI code
113 --disable-vdpau disable VDPAU code
92c6a099 114 --disable-dxva2 disable DXVA2 code
06454877
MR
115 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
116 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
117 --enable-memalign-hack emulate memalign, interferes with memory debuggers
118 --enable-beos-netserver enable BeOS netserver
119 --disable-encoder=NAME disable encoder NAME
120 --enable-encoder=NAME enable encoder NAME
121 --disable-encoders disable all encoders
122 --disable-decoder=NAME disable decoder NAME
123 --enable-decoder=NAME enable decoder NAME
124 --disable-decoders disable all decoders
125 --disable-hwaccel=NAME disable hwaccel NAME
126 --enable-hwaccel=NAME enable hwaccel NAME
127 --disable-hwaccels disable all hwaccels
128 --disable-muxer=NAME disable muxer NAME
129 --enable-muxer=NAME enable muxer NAME
130 --disable-muxers disable all muxers
131 --disable-demuxer=NAME disable demuxer NAME
132 --enable-demuxer=NAME enable demuxer NAME
133 --disable-demuxers disable all demuxers
134 --enable-parser=NAME enable parser NAME
135 --disable-parser=NAME disable parser NAME
136 --disable-parsers disable all parsers
137 --enable-bsf=NAME enable bitstream filter NAME
138 --disable-bsf=NAME disable bitstream filter NAME
139 --disable-bsfs disable all bitstream filters
140 --enable-protocol=NAME enable protocol NAME
141 --disable-protocol=NAME disable protocol NAME
142 --disable-protocols disable all protocols
143 --disable-indev=NAME disable input device NAME
144 --disable-outdev=NAME disable output device NAME
145 --disable-indevs disable input devices
146 --disable-outdevs disable output devices
147 --disable-devices disable all devices
148 --enable-filter=NAME enable filter NAME
149 --disable-filter=NAME disable filter NAME
150 --disable-filters disable all filters
151 --list-decoders show all available decoders
152 --list-encoders show all available encoders
153 --list-hwaccels show all available hardware accelerators
154 --list-muxers show all available muxers
155 --list-demuxers show all available demuxers
156 --list-parsers show all available parsers
157 --list-protocols show all available protocols
158 --list-bsfs show all available bitstream filters
159 --list-indevs show all available input devices
160 --list-outdevs show all available output devices
161 --list-filters show all available filters
162
163External library support:
164 --enable-avisynth enable reading of AVISynth script files [no]
165 --enable-bzlib enable bzlib [autodetect]
166 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
169 and libraw1394 [no]
170 --enable-libdirac enable Dirac support via libdirac [no]
171 --enable-libfaac enable FAAC support via libfaac [no]
172 --enable-libfaad enable FAAD support via libfaad [no]
173 --enable-libfaadbin open libfaad.so.0 at runtime [no]
174 --enable-libgsm enable GSM support via libgsm [no]
175 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
176 --enable-libnut enable NUT (de)muxing via libnut,
177 native (de)muxer exists [no]
178 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
179 --enable-libschroedinger enable Dirac support via libschroedinger [no]
180 --enable-libspeex enable Speex decoding via libspeex [no]
181 --enable-libtheora enable Theora encoding via libtheora [no]
182 --enable-libvorbis enable Vorbis encoding via libvorbis,
183 native implementation exists [no]
184 --enable-libx264 enable H.264 encoding via x264 [no]
185 --enable-libxvid enable Xvid encoding via xvidcore,
186 native MPEG-4/Xvid encoder exists [no]
187 --enable-mlib enable Sun medialib [no]
188 --enable-zlib enable zlib [autodetect]
189
190Advanced options (experts only):
191 --source-path=PATH path to source code [$source_path]
192 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
193 --enable-cross-compile assume a cross-compiler is used
194 --sysroot=PATH root of cross-build tree
195 --sysinclude=PATH location of cross-build system headers
196 --target-os=OS compiler targets OS [$target_os]
197 --target-exec=CMD command to run executables on target
198 --target-path=DIR path to view of build directory on target
199 --nm=NM use nm tool
200 --as=AS use assembler AS [$as_default]
201 --cc=CC use C compiler CC [$cc_default]
202 --ld=LD use linker LD
203 --host-cc=HOSTCC use host C compiler HOSTCC
204 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
205 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
206 --host-libs=HLIBS use libs HLIBS when linking for host
207 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
208 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
209 --extra-libs=ELIBS add ELIBS [$ELIBS]
210 --extra-version=STRING version string suffix []
211 --build-suffix=SUFFIX library name suffix []
212 --arch=ARCH select architecture [$arch]
213 --cpu=CPU select the minimum required CPU (affects
214 instruction selection, may crash on older CPUs)
215 --enable-powerpc-perf enable performance report on PPC
216 (requires enabling PMC)
c8a4ae00 217 --disable-asm disable all assembler optimizations
06454877
MR
218 --disable-altivec disable AltiVec optimizations
219 --disable-amd3dnow disable 3DNow! optimizations
220 --disable-amd3dnowext disable 3DNow! extended optimizations
221 --disable-mmx disable MMX optimizations
222 --disable-mmx2 disable MMX2 optimizations
223 --disable-sse disable SSE optimizations
224 --disable-ssse3 disable SSSE3 optimizations
225 --disable-armv5te disable armv5te optimizations
226 --disable-armv6 disable armv6 optimizations
227 --disable-armv6t2 disable armv6t2 optimizations
228 --disable-armvfp disable ARM VFP optimizations
229 --disable-iwmmxt disable iwmmxt optimizations
230 --disable-mmi disable MMI optimizations
231 --disable-neon disable neon optimizations
232 --disable-vis disable VIS optimizations
233 --disable-yasm disable use of yasm assembler
234 --enable-pic build position-independent code
4ae40685 235 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 236 --enable-sram allow use of on-chip SRAM
06454877
MR
237
238Developer options (useful when working on FFmpeg itself):
239 --disable-debug disable debugging symbols
240 --enable-debug=LEVEL set the debug level [$debuglevel]
241 --enable-gprof enable profiling with gprof [$gprof]
242 --disable-optimizations disable compiler optimizations
243 --enable-extra-warnings enable more compiler warnings
244 --disable-stripping disable stripping of executables and shared libraries
245
246NOTE: Object files are built at the place where configure is launched.
247EOF
60e8bc13 248 exit 0
74c53c2d 249}
cf9d24ad 250
57bd82d4 251log(){
2270b4b2 252 echo "$@" >> $logfile
57bd82d4
MR
253}
254
720c69da 255log_file(){
c8e9f801 256 log BEGIN $1
2270b4b2 257 pr -n -t $1 >> $logfile
c8e9f801
MR
258 log END $1
259}
260
2ba042a7 261echolog(){
c8e9f801 262 log "$@"
57bd82d4 263 echo "$@"
2ba042a7
MR
264}
265
266die(){
267 echolog "$@"
268 cat <<EOF
d326cf7f 269
2ba042a7
MR
270If you think configure made a mistake, make sure you are using the latest
271version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 272ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 273EOF
e155a21a 274 if disabled logging; then
2ba042a7 275 cat <<EOF
e155a21a
DB
276Rerun configure with logging enabled (do not use --disable-logging), and
277include the log this produces with your report.
2ba042a7
MR
278EOF
279 else
280cat <<EOF
e155a21a
DB
281Include the log file "$logfile" produced by configure as this will help
282solving the problem.
2ba042a7
MR
283EOF
284 fi
57bd82d4
MR
285 exit 1
286}
287
6c6007d6 288# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 289toupper(){
6c6007d6 290 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
291}
292
4a5444db 293tolower(){
6c6007d6 294 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
295}
296
14a8acf1
MR
297c_escape(){
298 echo "$*" | sed 's/["\\]/\\\0/g'
299}
300
b04251c5
MR
301sh_quote(){
302 v=$(echo "$1" | sed "s/'/'\\\\''/g")
303 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
304 echo "$v"
305}
306
be8f2501
MR
307filter(){
308 pat=$1
309 shift
310 for v; do
98ef6079 311 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
312 done
313}
314
a8d04fba
MR
315set_all(){
316 value=$1
317 shift
318 for var in $*; do
319 eval $var=$value
320 done
321}
322
72a43668
MR
323set_weak(){
324 value=$1
325 shift
326 for var; do
327 eval : \${$var:=$value}
328 done
329}
330
799c9e9b
MR
331pushvar(){
332 for var in $*; do
333 eval level=\${${var}_level:=0}
334 eval ${var}_${level}="\$$var"
335 eval ${var}_level=$(($level+1))
336 done
337}
338
339popvar(){
340 for var in $*; do
341 eval level=\${${var}_level:-0}
342 test $level = 0 && continue
343 eval level=$(($level-1))
344 eval $var="\${${var}_${level}}"
345 eval ${var}_level=$level
346 eval unset ${var}_${level}
347 done
348}
349
a8d04fba
MR
350enable(){
351 set_all yes $*
352}
353
354disable(){
355 set_all no $*
356}
357
72a43668
MR
358enable_weak(){
359 set_weak yes $*
360}
361
362disable_weak(){
363 set_weak no $*
364}
365
72702705 366enable_safe(){
fd07f803
MR
367 for var; do
368 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
369 done
72702705
MR
370}
371
372disable_safe(){
fd07f803
MR
373 for var; do
374 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
375 done
72702705
MR
376}
377
f9d328da
MR
378do_enable_deep(){
379 for var; do
380 enabled $var && continue
381 eval sel="\$${var}_select"
c510c7b5
MR
382 eval sgs="\$${var}_suggest"
383 pushvar var sgs
f9d328da 384 enable_deep $sel
c510c7b5
MR
385 popvar sgs
386 enable_deep_weak $sgs
f9d328da
MR
387 popvar var
388 done
389}
390
391enable_deep(){
392 do_enable_deep $*
393 enable $*
394}
395
72a43668
MR
396enable_deep_weak(){
397 do_enable_deep $*
398 enable_weak $*
399}
400
57bd82d4 401enabled(){
3250003c
MR
402 test "${1#!}" = "$1" && op== || op=!=
403 eval test "x\$${1#!}" $op "xyes"
44161118
MR
404}
405
37970ebf 406disabled(){
3250003c
MR
407 test "${1#!}" = "$1" && op== || op=!=
408 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
409}
410
44161118
MR
411enabled_all(){
412 for opt; do
413 enabled $opt || return 1
414 done
415}
416
85bca2c5
DB
417disabled_all(){
418 for opt; do
419 disabled $opt || return 1
420 done
421}
422
44161118
MR
423enabled_any(){
424 for opt; do
425 enabled $opt && return 0
426 done
427}
428
85bca2c5
DB
429disabled_any(){
430 for opt; do
431 disabled $opt && return 0
432 done
f7b230a7 433 return 1
85bca2c5
DB
434}
435
c9d19248
MR
436set_default(){
437 for opt; do
88268e94 438 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
439 done
440}
441
4a0d6686
AJ
442is_in(){
443 value=$1
444 shift
445 for var in $*; do
446 [ $var = $value ] && return 0
447 done
448 return 1
449}
450
30fd06be
MR
451check_deps(){
452 for cfg; do
3250003c 453 cfg="${cfg#!}"
799c9e9b
MR
454 enabled ${cfg}_checking && die "Circular dependency for $cfg."
455 disabled ${cfg}_checking && continue
456 enable ${cfg}_checking
457
30fd06be
MR
458 eval dep_all="\$${cfg}_deps"
459 eval dep_any="\$${cfg}_deps_any"
7ef3425f 460 eval dep_sel="\$${cfg}_select"
c510c7b5 461 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
462 eval dep_ifa="\$${cfg}_if"
463 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 464
3d7453e0
MR
465 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
466 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
467 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 468
3d7453e0
MR
469 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
470 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
471 enabled_all $dep_all || disable $cfg
472 enabled_any $dep_any || disable $cfg
7ef3425f 473 disabled_any $dep_sel && disable $cfg
799c9e9b 474
4ec45764
RP
475 if enabled $cfg; then
476 eval dep_extralibs="\$${cfg}_extralibs"
477 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 478 enable_deep $dep_sel
c510c7b5 479 enable_deep_weak $dep_sgs
4ec45764
RP
480 fi
481
799c9e9b 482 disable ${cfg}_checking
30fd06be
MR
483 done
484}
485
44161118
MR
486print_config(){
487 pfx=$1
488 header=$2
489 makefile=$3
490 shift 3
491 for cfg; do
5e622c40 492 ucname="$(toupper $cfg)"
44161118 493 if enabled $cfg; then
3d907e22 494 echo "#define ${pfx}${ucname} 1" >> $header
3d907e22
MR
495 echo "${pfx}${ucname}=yes" >> $makefile
496 else
b250f9c6 497 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 498 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
MR
499 fi
500 done
57bd82d4
MR
501}
502
503flags_saved(){
2270b4b2 504 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
505}
506
dcd479c0 507save_flags(){
57bd82d4 508 flags_saved && return
dcd479c0
MR
509 SAVE_CFLAGS="$CFLAGS"
510 SAVE_LDFLAGS="$LDFLAGS"
511 SAVE_extralibs="$extralibs"
512}
513
514restore_flags(){
f5d28d10 515 flags_saved || return
dcd479c0
MR
516 CFLAGS="$SAVE_CFLAGS"
517 LDFLAGS="$SAVE_LDFLAGS"
518 extralibs="$SAVE_extralibs"
519 unset SAVE_CFLAGS
520 unset SAVE_LDFLAGS
521 unset SAVE_extralibs
522}
523
524temp_cflags(){
525 save_flags
526 CFLAGS="$CFLAGS $*"
527}
528
529temp_ldflags(){
530 save_flags
531 LDFLAGS="$LDFLAGS $*"
532}
533
534temp_extralibs(){
535 save_flags
536 extralibs="$extralibs $*"
537}
538
57bd82d4
MR
539append(){
540 var=$1
541 shift
542 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
543 eval "$var=\"\$$var $*\""
544}
545
50a334e4 546add_cppflags(){
caf458dd 547 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
548}
549
57bd82d4 550add_cflags(){
caf458dd 551 append CFLAGS $($filter_cflags "$@")
57bd82d4
MR
552}
553
2f2e6c7c 554add_asflags(){
caf458dd 555 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
MR
556}
557
57bd82d4
MR
558add_ldflags(){
559 append LDFLAGS "$@"
560}
561
562add_extralibs(){
563 append extralibs "$@"
564}
565
b0cfb663 566check_cmd(){
b3cb5d51 567 log "$@"
2270b4b2 568 "$@" >> $logfile 2>&1
b0cfb663
MR
569}
570
dcd479c0 571check_cc(){
57bd82d4 572 log check_cc "$@"
2270b4b2 573 cat > $TMPC
720c69da 574 log_file $TMPC
50a334e4 575 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
576}
577
578check_cpp(){
579 log check_cpp "$@"
2270b4b2 580 cat > $TMPC
720c69da 581 log_file $TMPC
9e7f3277 582 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
583}
584
f65883c8
MR
585check_as(){
586 log check_as "$@"
587 cat > $TMPC
588 log_file $TMPC
2f2e6c7c 589 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
590}
591
940f335a
MR
592check_asm(){
593 log check_asm "$@"
594 name="$1"
3784e82e 595 code="$2"
940f335a 596 shift 2
49214f61
MR
597 disable $name
598 check_as "$@" <<EOF && enable $name
3784e82e 599void foo(void){ __asm__ volatile($code); }
940f335a
MR
600EOF
601}
602
304d586d
LM
603check_yasm(){
604 log check_yasm "$@"
605 echo "$1" > $TMPS
606 log_file $TMPS
607 shift 1
608 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
609}
610
dcd479c0 611check_ld(){
57bd82d4 612 log check_ld "$@"
3155a644
MR
613 flags=''
614 libs=''
615 for f; do
616 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
617 done
2a194acd 618 check_cc $($filter_cflags $flags) || return
684b28e0 619 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
620}
621
50a334e4
MR
622check_cppflags(){
623 log check_cppflags "$@"
caf458dd
MR
624 set -- $($filter_cppflags "$@")
625 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
626int x;
627EOF
628}
629
dcd479c0 630check_cflags(){
57bd82d4 631 log check_cflags "$@"
caf458dd
MR
632 set -- $($filter_cflags "$@")
633 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
634int x;
635EOF
636}
637
2ed46eea
MR
638test_ldflags(){
639 log test_ldflags "$@"
640 check_ld "$@" <<EOF
c23a0ac8 641int main(void){ return 0; }
dcd479c0
MR
642EOF
643}
644
2ed46eea
MR
645check_ldflags(){
646 log check_ldflags "$@"
647 test_ldflags "$@" && add_ldflags "$@"
648}
649
dcd479c0 650check_header(){
57bd82d4 651 log check_header "$@"
dcd479c0
MR
652 header=$1
653 shift
b77df637
MR
654 disable_safe $header
655 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
656#include <$header>
657int x;
658EOF
659}
660
661check_func(){
57bd82d4 662 log check_func "$@"
dcd479c0
MR
663 func=$1
664 shift
d8bc5f06
MR
665 disable $func
666 check_ld "$@" <<EOF && enable $func
dcd479c0 667extern int $func();
c23a0ac8 668int main(void){ $func(); }
dcd479c0
MR
669EOF
670}
671
645d2652 672check_mathfunc(){
6b73c0ae 673 log check_mathfunc "$@"
645d2652
MR
674 func=$1
675 shift
676 disable $func
677 check_ld "$@" <<EOF && enable $func
678#include <math.h>
33bd38db
MR
679float foo(float f) { return $func(f); }
680int main(void){ return 0; }
645d2652
MR
681EOF
682}
683
2446d3d6
DB
684check_func_headers(){
685 log check_func_headers "$@"
f8d7b072
MR
686 headers=$1
687 func=$2
688 shift 2
689 disable $func
690 incs=""
691 for hdr in $headers; do
692 incs="$incs
693#include <$hdr>"
694 done
cd0d9a9d 695 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 696$incs
d6773f56 697int main(int argc, char **argv){
2b2c2a81 698 return (long) $func;
f8d7b072
MR
699}
700EOF
701}
702
a5344cf7
SS
703check_cpp_condition(){
704 log check_cpp_condition "$@"
705 header=$1
706 condition=$2
f855b7b9
MR
707 shift 2
708 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
709#include <$header>
710#if !($condition)
711#error "unsatisfied condition: $condition"
712#endif
713EOF
714}
715
57bd82d4
MR
716check_lib(){
717 log check_lib "$@"
718 header="$1"
719 func="$2"
720 shift 2
fcfcde17
MR
721 temp_extralibs "$@"
722 check_header $header && check_func $func && add_extralibs "$@"
723 err=$?
724 restore_flags
725 return $err
57bd82d4
MR
726}
727
f8d7b072
MR
728check_lib2(){
729 log check_lib2 "$@"
730 headers="$1"
731 func="$2"
732 shift 2
300cde27 733 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
734}
735
dcd479c0 736check_exec(){
2270b4b2 737 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
738}
739
7dfef245 740check_exec_crash(){
5e622c40 741 code=$(cat)
7dfef245
MR
742
743 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
744 # are safe but may not be available everywhere. Thus we use
745 # raise(SIGTERM) instead. The check is run in a subshell so we
746 # can redirect the "Terminated" message from the shell. SIGBUS
747 # is not defined by standard C so it is used conditionally.
748
2270b4b2 749 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
750#include <signal.h>
751static void sighandler(int sig){
752 raise(SIGTERM);
753}
e5af4a11 754int main(void){
7dfef245
MR
755 signal(SIGILL, sighandler);
756 signal(SIGFPE, sighandler);
757 signal(SIGSEGV, sighandler);
758#ifdef SIGBUS
759 signal(SIGBUS, sighandler);
760#endif
761 { $code }
762}
763EOF
764}
765
72be9e73
DY
766check_type(){
767 log check_type "$@"
768 headers=$1
769 type=$2
770 shift 2
ae550ce9 771 disable_safe "$type"
72be9e73
DY
772 incs=""
773 for hdr in $headers; do
774 incs="$incs
775#include <$hdr>"
776 done
ae550ce9 777 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
778$incs
779$type v;
780EOF
781}
782
14d36751
MR
783check_struct(){
784 log check_type "$@"
785 headers=$1
786 struct=$2
787 member=$3
788 shift 3
789 disable_safe "${struct}_${member}"
790 incs=""
791 for hdr in $headers; do
792 incs="$incs
793#include <$hdr>"
794 done
795 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
796$incs
797const void *p = &(($struct *)0)->$member;
798EOF
799}
800
57bd82d4
MR
801require(){
802 name="$1"
803 header="$2"
804 func="$3"
805 shift 3
806 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
807}
808
f8d7b072
MR
809require2(){
810 name="$1"
811 headers="$2"
812 func="$3"
813 shift 3
814 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
815}
816
eea50282
MR
817check_foo_config(){
818 cfg=$1
819 pkg=$2
820 header=$3
821 func=$4
822 shift 4
823 disable $cfg
824 check_cmd ${pkg}-config --version
825 err=$?
826 if test "$err" = 0; then
5e622c40
DB
827 temp_cflags $(${pkg}-config --cflags)
828 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
829 check_lib "$@" $header $func && enable $cfg
830 fi
831 return $err
832}
833
f0125de9
MR
834check_host_cc(){
835 log check_host_cc "$@"
836 cat > $TMPC
837 log_file $TMPC
838 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
839}
840
841check_host_cflags(){
842 log check_host_cflags "$@"
843 check_host_cc "$@" <<EOF && append host_cflags "$@"
844int x;
845EOF
846}
847
c505dd31
MR
848apply(){
849 file=$1
850 shift
851 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
852}
853
c34681df
MR
854cp_if_changed(){
855 cmp -s "$1" "$2" &&
856 echo "$2 is unchanged" ||
857 cp -f "$1" "$2"
858}
859
dcd61286
DB
860# CONFIG_LIST contains configurable options, while HAVE_LIST is for
861# system-dependent things.
862
4a0d6686
AJ
863COMPONENT_LIST="
864 bsfs
865 decoders
866 demuxers
867 encoders
3cde40aa 868 filters
5666fd73 869 hwaccels
c552605c 870 indevs
4a0d6686 871 muxers
c552605c 872 outdevs
4a0d6686
AJ
873 parsers
874 protocols
875"
876
877CONFIG_LIST="
878 $COMPONENT_LIST
e8ed9b7a 879 aandct
5a0f7131
MR
880 avcodec
881 avdevice
f7679c54
VS
882 avfilter
883 avfilter_lavf
5a0f7131 884 avformat
c88f5d72
MR
885 avisynth
886 beos_netserver
f402916e 887 bzlib
7f3f5f46 888 dct
c73f65d9 889 doc
92c6a099 890 dxva2
27a9466b 891 fastdiv
c88f5d72
MR
892 ffmpeg
893 ffplay
336ce917 894 ffprobe
c88f5d72 895 ffserver
1848f7d9 896 fft
4f034993 897 golomb
c88f5d72 898 gpl
ecfc4f44 899 gprof
d8d0d0b2 900 gray
3abe5fbd 901 hardcoded_tables
f7b8bffe 902 libdc1394
690bfceb 903 libdirac
2eed5a46
DB
904 libfaac
905 libfaad
906 libfaadbin
c88f5d72 907 libgsm
6ebe07fb 908 libmp3lame
c88f5d72 909 libnut
0b175caa
DB
910 libopencore_amrnb
911 libopencore_amrwb
9a77d59a 912 libopenjpeg
f7cd9eed 913 libschroedinger
ae14f311 914 libspeex
150d2772 915 libtheora
c88f5d72 916 libvorbis
1cc60c47
DB
917 libx264
918 libxvid
f4d608e3 919 lpc
47a158cb 920 mdct
c88f5d72 921 memalign_hack
a8150374 922 mlib
c88f5d72
MR
923 mpegaudio_hp
924 network
3fe142e2 925 nonfree
8a3c8627 926 pic
4a24ab64 927 postproc
2b4c3615 928 powerpc_perf
68602540 929 rdft
e90f5b5a 930 runtime_cpudetect
2e35e684 931 shared
bd2216e4 932 small
6b35d421 933 sram
2e35e684 934 static
5a0f7131 935 swscale
a9ddb5b1 936 swscale_alpha
17492d5e
DB
937 vaapi
938 vdpau
9cad0e4e 939 version3
56a059ac 940 x11grab
c88f5d72 941 zlib
4a0d6686 942"
c88f5d72 943
8eee7025
DB
944THREADS_LIST='
945 beosthreads
d22e8442 946 os2threads
8eee7025
DB
947 pthreads
948 w32threads
949'
950
3f5b56e5
MR
951ARCH_LIST='
952 alpha
a2fc0f6a 953 arm
fdcd782d
MR
954 avr32
955 avr32_ap
956 avr32_uc
3f5b56e5
MR
957 bfin
958 ia64
959 m68k
960 mips
bae3abb0 961 mips64
3f5b56e5 962 parisc
79cb09b2 963 ppc
34d11b87 964 ppc64
3f5b56e5
MR
965 s390
966 sh4
967 sparc
968 sparc64
0844bae1 969 tomi
3f5b56e5
MR
970 x86
971 x86_32
972 x86_64
973'
974
975ARCH_EXT_LIST='
1ac9331a 976 altivec
3bf96eec 977 amd3dnow
a1ef9f08 978 amd3dnowext
1ac9331a 979 armv5te
edab3048 980 armv6
ab5cb084 981 armv6t2
f55b299a 982 armvfp
3f5b56e5
MR
983 iwmmxt
984 mmi
985 mmx
d7f0920b 986 mmx2
6b18d278 987 neon
799fde37 988 ppc4xx
1bb04d5a 989 sse
9eeed841 990 ssse3
bd9d34a0 991 vis
3f5b56e5
MR
992'
993
a3e02a8c
MR
994HAVE_LIST_PUB='
995 bigendian
996'
997
3f5b56e5
MR
998HAVE_LIST="
999 $ARCH_EXT_LIST
a3e02a8c 1000 $HAVE_LIST_PUB
3f5b56e5 1001 $THREADS_LIST
35fd8122 1002 alsa_asoundlib_h
3f5b56e5 1003 altivec_h
c9fdab0d 1004 arpa_inet_h
dffb41b9 1005 attribute_may_alias
e7ea5e3d 1006 attribute_packed
6bd859d6 1007 bswap
ecf97f22 1008 closesocket
1ac9331a 1009 cmov
e16e49ac 1010 conio_h
c88f5d72 1011 dcbzl
f8aa696f
DB
1012 dev_bktr_ioctl_bt848_h
1013 dev_bktr_ioctl_meteor_h
1014 dev_ic_bt8xx_h
1015 dev_video_meteor_ioctl_meteor_h
1016 dev_video_bktr_ioctl_bt848_h
18b67ae5 1017 dlfcn_h
c88f5d72 1018 dlopen
bc574408 1019 dos_paths
245626d0
DB
1020 ebp_available
1021 ebx_available
6b7c7703
VS
1022 exp2
1023 exp2f
c2a29455 1024 fast_64bit
669b5583 1025 fast_clz
7073e9fc 1026 fast_cmov
7b829d2a 1027 fast_unaligned
9d99cc5a 1028 fork
84882df6 1029 getaddrinfo
da9e86f8 1030 gethrtime
4e68cb8a 1031 GetProcessTimes
66be5b45 1032 getrusage
2e1913b1 1033 inet_aton
61d251db 1034 inline_asm
abfc8d05 1035 isatty
9f5ff83f 1036 ldbrx
0b4a1821
AS
1037 libdc1394_1
1038 libdc1394_2
a33cab3a 1039 llrint
d96cd429
MR
1040 local_aligned_16
1041 local_aligned_8
291fd18a 1042 log2
6b7c7703 1043 log2f
85dd97ad 1044 loongson
a33cab3a 1045 lrint
c88f5d72 1046 lrintf
e4673692 1047 lzo1x_999_compress
f8aa696f
DB
1048 machine_ioctl_bt848_h
1049 machine_ioctl_meteor_h
c88f5d72
MR
1050 malloc_h
1051 memalign
6ffa87d3 1052 mkstemp
b4e806b2 1053 pld
1f91cdce 1054 posix_memalign
a33cab3a
MK
1055 round
1056 roundf
c88f5d72
MR
1057 sdl
1058 sdl_video_size
b507ebd1 1059 setmode
72be9e73 1060 socklen_t
deb29777 1061 soundcard_h
f8cda19e 1062 poll_h
0104b608 1063 setrlimit
c0018613 1064 struct_addrinfo
b4d68544
MS
1065 struct_ipv6_mreq
1066 struct_sockaddr_in6
3b2372bf 1067 struct_sockaddr_sa_len
33a4dbdd 1068 struct_sockaddr_storage
b58412f1 1069 sys_mman_h
b091aa44 1070 sys_resource_h
81644c2e 1071 sys_select_h
deb29777 1072 sys_soundcard_h
1b6e8b73 1073 sys_videoio_h
d3a4b4e0 1074 ten_operands
e16e49ac 1075 termios_h
b265431e 1076 threads
7b04b8a0 1077 truncf
ce742de2 1078 vfp_args
7c5bfe7a 1079 VirtualAlloc
6ff3f3e7 1080 winsock2_h
cc078b5d 1081 xform_asm
304d586d 1082 yasm
0cb78cef 1083"
44161118 1084
b6bb00b0
MR
1085# options emitted with CONFIG_ prefix but not available on command line
1086CONFIG_EXTRA="
dc4f5a1c 1087 avutil
9cad0e4e
DB
1088 gplv3
1089 lgplv3
b6bb00b0
MR
1090"
1091
520cc7f1 1092CMDLINE_SELECT="
3f5b56e5 1093 $ARCH_EXT_LIST
520cc7f1 1094 $CONFIG_LIST
8eee7025 1095 $THREADS_LIST
c8a4ae00 1096 asm
db6107b6 1097 cross_compile
520cc7f1
MR
1098 debug
1099 extra_warnings
8c6afa4d 1100 logging
d2bbb2f7 1101 optimizations
87a0fb62 1102 stripping
7595a5e4 1103 yasm
520cc7f1 1104"
426be5dc
DB
1105
1106PATHS_LIST='
d156bede 1107 bindir
14a8acf1 1108 datadir
26759c44
MR
1109 incdir
1110 libdir
26759c44
MR
1111 mandir
1112 prefix
1113 shlibdir
426be5dc
DB
1114'
1115
1116CMDLINE_SET="
1117 $PATHS_LIST
1118 arch
313c46a6 1119 as
426be5dc
DB
1120 build_suffix
1121 cc
1122 cpu
1123 cross_prefix
50567afa 1124 dep_cc
ac63af34 1125 extra_version
9da6609f
MR
1126 host_cc
1127 host_cflags
1128 host_ldflags
1129 host_libs
82bb3329 1130 host_os
684b28e0 1131 ld
426be5dc 1132 logfile
4ae40685 1133 malloc_prefix
89641463 1134 nm
26759c44 1135 source_path
4f837398 1136 strip
c5200f17
MR
1137 sysinclude
1138 sysroot
a7ada2ba 1139 target_exec
26759c44 1140 target_os
a7ada2ba 1141 target_path
426be5dc 1142"
520cc7f1 1143
89f2932b
MR
1144CMDLINE_APPEND="
1145 extra_cflags
1146"
1147
912f3148
DB
1148# code dependency declarations
1149
9eeed841 1150# architecture extensions
808fa33c 1151
a2fc0f6a
MR
1152armv5te_deps="arm"
1153armv6_deps="arm"
ab5cb084 1154armv6t2_deps="arm"
a2fc0f6a
MR
1155armvfp_deps="arm"
1156iwmmxt_deps="arm"
808fa33c
MR
1157neon_deps="arm"
1158
e241ba14 1159mmi_deps="mips"
808fa33c
MR
1160
1161altivec_deps="ppc"
1162ppc4xx_deps="ppc"
1163
1164vis_deps="sparc"
1165
7f8c3d1f 1166x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1167amd3dnow_deps="mmx"
1168amd3dnowext_deps="amd3dnow"
9eeed841 1169mmx_deps="x86"
75aa95a6 1170mmx2_deps="mmx"
75aa95a6
DB
1171sse_deps="mmx"
1172ssse3_deps="sse"
9eeed841 1173
e939cedd 1174fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1175fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1176fast_unaligned_if_any="armv6 ppc x86"
669b5583 1177
89e053f8 1178need_memalign="altivec neon sse"
6fec122a 1179inline_asm_deps="!tms470"
89e053f8 1180
26fbcc85
MR
1181# subsystems
1182mdct_select="fft"
1183rdft_select="fft"
1184
5666fd73 1185# decoders / encoders / hardware accelerators
26fbcc85
MR
1186aac_decoder_select="mdct aac_parser"
1187aac_encoder_select="mdct"
1188ac3_decoder_select="mdct ac3_parser"
f4d608e3 1189alac_encoder_select="lpc"
084cbbaa 1190atrac1_decoder_select="mdct"
26fbcc85
MR
1191atrac3_decoder_select="mdct"
1192binkaudio_dct_decoder_select="mdct rdft dct"
1193binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1194cavs_decoder_select="golomb"
26fbcc85 1195cook_decoder_select="mdct"
2eef7c62 1196cscd_decoder_suggest="zlib"
26fbcc85 1197dca_decoder_select="mdct"
e8ed9b7a 1198dnxhd_encoder_select="aandct"
2eef7c62 1199dxa_decoder_select="zlib"
baf91bb9 1200eac3_decoder_select="ac3_decoder"
84c04e25 1201eamad_decoder_select="aandct"
e8ed9b7a 1202eatgq_decoder_select="aandct"
d52b39c7 1203eatqi_decoder_select="aandct"
4f034993
MR
1204ffv1_decoder_select="golomb"
1205flac_decoder_select="golomb"
f4d608e3 1206flac_encoder_select="golomb lpc"
2eef7c62
AJ
1207flashsv_decoder_select="zlib"
1208flashsv_encoder_select="zlib"
4414137e 1209flv_decoder_select="h263_decoder"
4d4b4bd1 1210flv_encoder_select="h263_encoder"
e8ed9b7a 1211h261_encoder_select="aandct"
7f647ae0 1212h263_decoder_select="h263_parser"
e8ed9b7a 1213h263_encoder_select="aandct"
ff418735 1214h263_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1215h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1216h263i_decoder_select="h263_decoder"
fe629c2d 1217h263p_encoder_select="h263_encoder"
4f034993 1218h264_decoder_select="golomb"
92c6a099
LA
1219h264_dxva2_hwaccel_deps="dxva2api_h"
1220h264_dxva2_hwaccel_select="dxva2 h264_decoder"
ff418735 1221h264_vaapi_hwaccel_deps="va_va_h"
17492d5e 1222h264_vaapi_hwaccel_select="vaapi"
711dae77 1223h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1224h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1225imc_decoder_select="fft mdct"
4f034993
MR
1226jpegls_decoder_select="golomb"
1227jpegls_encoder_select="golomb"
e8ed9b7a 1228ljpeg_encoder_select="aandct"
4f034993 1229loco_decoder_select="golomb"
e8ed9b7a 1230mjpeg_encoder_select="aandct"
2cca233b 1231mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1232mpeg1video_encoder_select="aandct"
1233mpeg2video_encoder_select="aandct"
4414137e 1234mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1235mpeg4_encoder_select="h263_encoder"
711dae77 1236mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1237mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
711dae77 1238mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1239mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
ff418735 1240mpeg2_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1241mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
ff418735 1242mpeg4_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1243mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871
NC
1244mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1245mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1246mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1247mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1248msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1249msmpeg4v1_encoder_select="h263_encoder"
4414137e 1250msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1251msmpeg4v2_encoder_select="h263_encoder"
4414137e 1252msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1253msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1254nellymoser_decoder_select="mdct"
1255nellymoser_encoder_select="mdct"
2eef7c62
AJ
1256png_decoder_select="zlib"
1257png_encoder_select="zlib"
26fbcc85 1258qdm2_decoder_select="mdct rdft"
a8beb22f 1259rv10_decoder_select="h263_decoder"
b2bf38b4 1260rv10_encoder_select="h263_encoder"
a8beb22f 1261rv20_decoder_select="h263_decoder"
b2bf38b4 1262rv20_encoder_select="h263_encoder"
d52b39c7
AJ
1263rv30_decoder_select="golomb"
1264rv40_decoder_select="golomb"
4f034993
MR
1265shorten_decoder_select="golomb"
1266sonic_decoder_select="golomb"
1267sonic_encoder_select="golomb"
1268sonic_ls_encoder_select="golomb"
1269svq3_decoder_select="golomb"
bee2eac5 1270svq3_decoder_suggest="zlib"
4eef77c1 1271theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1272tiff_decoder_suggest="zlib"
1273tiff_encoder_suggest="zlib"
aec09a00 1274truehd_decoder_select="mlp_decoder"
2eef7c62 1275tscc_decoder_select="zlib"
084cbbaa 1276twinvq_decoder_select="mdct"
f95bfab0 1277vc1_decoder_select="h263_decoder"
9104cd51 1278vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1279vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
ff418735 1280vc1_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1281vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
711dae77 1282vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1283vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1284vorbis_decoder_select="mdct"
1285vorbis_encoder_select="mdct"
e82dc4c9
DB
1286vp6a_decoder_select="vp6_decoder"
1287vp6f_decoder_select="vp6_decoder"
084cbbaa 1288wmapro_decoder_select="mdct"
26fbcc85
MR
1289wmav1_decoder_select="mdct"
1290wmav1_encoder_select="mdct"
1291wmav2_decoder_select="mdct"
1292wmav2_encoder_select="mdct"
f95bfab0 1293wmv1_decoder_select="h263_decoder"
665507aa 1294wmv1_encoder_select="h263_encoder"
f95bfab0 1295wmv2_decoder_select="h263_decoder"
1746e2a9 1296wmv2_encoder_select="h263_encoder"
015f8ee0 1297wmv3_decoder_select="vc1_decoder"
f0f86627 1298wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1299wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1300wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1301zlib_decoder_select="zlib"
1302zlib_encoder_select="zlib"
1303zmbv_decoder_select="zlib"
1304zmbv_encoder_select="zlib"
30fd06be 1305
28b80940
DB
1306# parsers
1307h264_parser_select="golomb"
1308
f1e94694
DB
1309# bitstream_filters
1310aac_adtstoasc_bsf_select="aac_parser"
1311
912f3148 1312# external libraries
1b71f045 1313libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1314libdirac_encoder_deps="libdirac"
c9171a83 1315libfaac_encoder_deps="libfaac"
69ddbd1d 1316libfaad_decoder_deps="libfaad"
4ec45764 1317libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1318libgsm_decoder_deps="libgsm"
1319libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1320libgsm_ms_decoder_deps="libgsm"
1321libgsm_ms_encoder_deps="libgsm"
1cc60c47 1322libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1323libopencore_amrnb_decoder_deps="libopencore_amrnb"
1324libopencore_amrnb_encoder_deps="libopencore_amrnb"
1325libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1326libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1327libschroedinger_decoder_deps="libschroedinger"
1328libschroedinger_encoder_deps="libschroedinger"
ae14f311 1329libspeex_decoder_deps="libspeex"
150d2772 1330libtheora_encoder_deps="libtheora"
b0caf888 1331libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1332libx264_encoder_deps="libx264"
1333libxvid_encoder_deps="libxvid"
30fd06be 1334
912f3148 1335# demuxers / muxers
03a76ba9 1336ac3_demuxer_deps="ac3_parser"
647c2356 1337asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1338avisynth_demuxer_deps="avisynth"
1339dirac_demuxer_deps="dirac_parser"
5b423887 1340eac3_demuxer_select="ac3_parser"
647c2356 1341ipod_muxer_select="mov_muxer"
4e622dea
SS
1342libnut_demuxer_deps="libnut"
1343libnut_muxer_deps="libnut"
647c2356 1344matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1345matroska_demuxer_suggest="zlib bzlib"
1346mov_demuxer_suggest="zlib"
1347mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1348mp4_muxer_select="mov_muxer"
1349mpegtsraw_demuxer_select="mpegts_demuxer"
1350mxf_d10_muxer_select="mxf_muxer"
24ca518b 1351ogg_demuxer_select="golomb"
647c2356 1352psp_muxer_select="mov_muxer"
4e622dea 1353rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1354rtsp_muxer_deps="sdp_demuxer"
1355rtsp_muxer_select="rtp_muxer"
4e622dea 1356sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
f1e94694 1357spdif_muxer_select="aac_parser"
647c2356
DB
1358tg2_muxer_select="mov_muxer"
1359tgp_muxer_select="mov_muxer"
6bdaa5f4 1360w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1361
1362# indevs / outdevs
38e54a75
SS
1363alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1364alsa_indev_extralibs="-lasound"
1365alsa_outdev_deps="alsa_asoundlib_h"
1366alsa_outdev_extralibs="-lasound"
1367audio_beos_indev_deps="audio_beos"
1368audio_beos_indev_extralibs="-lmedia -lbe"
1369audio_beos_outdev_deps="audio_beos"
1370audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1371bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1372dv1394_indev_deps="dv1394 dv_demuxer"
1373jack_indev_deps="jack_jack_h"
1374jack_indev_extralibs="-ljack"
1375libdc1394_indev_deps="libdc1394"
38e54a75
SS
1376oss_indev_deps_any="soundcard_h sys_soundcard_h"
1377oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1378v4l_indev_deps="linux_videodev_h"
1379v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1380vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1381vfwcap_indev_extralibs="-lavicap32"
38e54a75 1382x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1383x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1384
912f3148 1385# protocols
3fff6382 1386gopher_protocol_deps="network"
c08fb000 1387http_protocol_deps="network"
cbf29889 1388rtmp_protocol_deps="tcp_protocol"
c08fb000
AB
1389rtp_protocol_deps="udp_protocol"
1390tcp_protocol_deps="network"
1391udp_protocol_deps="network"
1392
f7679c54 1393# filters
81124ba0 1394movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1395avfilter_lavf_deps="avformat"
1396
1397# libraries
1398avdevice_deps="avcodec avformat"
1399avformat_deps="avcodec"
f7679c54 1400
912f3148 1401# programs
5a0f7131
MR
1402ffmpeg_deps="avcodec avformat swscale"
1403ffplay_deps="avcodec avformat swscale sdl"
43689902 1404ffplay_select="rdft"
336ce917 1405ffprobe_deps="avcodec avformat"
5a0f7131 1406ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1407ffserver_extralibs='$ldl'
a2830dca 1408
c73f65d9 1409doc_deps="texi2html"
912f3148 1410
de6d9b64 1411# default parameters
8a608357 1412
2ba042a7 1413logfile="config.err"
8a608357
MR
1414
1415# installation paths
c9d19248
MR
1416prefix_default="/usr/local"
1417bindir_default='${prefix}/bin'
14a8acf1 1418datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1419incdir_default='${prefix}/include'
1420libdir_default='${prefix}/lib'
1421mandir_default='${prefix}/share/man'
1422shlibdir_default="$libdir_default"
8a608357
MR
1423
1424# toolchain
11e6d03a 1425ar="ar"
13c7df3d 1426cc_default="gcc"
a3d7c197 1427cc_version=\"unknown\"
9da6609f 1428host_cc_default="gcc"
11e6d03a 1429ln_s="ln -sf"
89641463 1430nm_default="nm"
11e6d03a 1431objformat="elf"
be7109c1 1432ranlib="ranlib"
4f837398 1433strip_default="strip"
11e6d03a 1434yasmexe="yasm"
8a608357 1435
8182dc34
MR
1436nm_opts='-g'
1437
8a608357 1438# machine
8d4c00ed 1439arch_default=$(uname -m)
38d0a8aa 1440cpu="generic"
8a608357 1441
8a608357 1442# OS
8d4c00ed
MR
1443target_os_default=$(tolower $(uname -s))
1444host_os=$target_os_default
8a608357 1445
8a608357 1446# configurable options
5a0f7131
MR
1447enable avcodec
1448enable avdevice
1449enable avformat
dc4f5a1c 1450enable avutil
c8a4ae00 1451enable asm
497237c7 1452enable debug
c73f65d9 1453enable doc
aa033b1e 1454enable fastdiv
497237c7
RP
1455enable ffmpeg
1456enable ffplay
336ce917 1457enable ffprobe
497237c7 1458enable ffserver
497237c7
RP
1459enable mpegaudio_hp
1460enable network
8400d6b8 1461enable optimizations
497237c7 1462enable protocols
530dc538 1463enable static
87a0fb62 1464enable stripping
5a0f7131 1465enable swscale
a9ddb5b1 1466enable swscale_alpha
8a608357 1467
8a608357 1468# build settings
9987769a 1469SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1470FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1471LIBPREF="lib"
1472LIBSUF=".a"
c5f14466
RP
1473FULLNAME='$(NAME)$(BUILDSUF)'
1474LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1475SLIBPREF="lib"
1476SLIBSUF=".so"
c5f14466 1477SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1478SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1479SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1480LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1481
7e6c86e6
MR
1482CC_O='-o $@'
1483
f0125de9 1484host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1485host_libs='-lm'
1486
9b861379 1487target_path='$(CURDIR)'
a7ada2ba 1488
0d7dca36
DB
1489# gcc stupidly only outputs the basename of targets with -MM, but we need the
1490# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1491DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1492DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1493
c597172e 1494# find source path
5e622c40 1495source_path="$(dirname "$0")"
497237c7 1496enable source_path_used
24524f36 1497if test -f configure; then
5e622c40 1498 source_path="$(pwd)"
497237c7 1499 disable source_path_used
c597172e 1500else
5e622c40 1501 source_path="$(cd "$source_path"; pwd)"
c597172e 1502 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1503 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1504 test -e "$source_path/config.h" &&
1505 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1506fi
1507
13cbe2c0 1508for v in "$@"; do
b04251c5
MR
1509 r=${v#*=}
1510 l=${v%"$r"}
1511 r=$(sh_quote "$r")
13cbe2c0
MR
1512 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1513done
c597172e 1514
73ef8980
MR
1515find_things(){
1516 thing=$1
1517 pattern=$2
1518 file=$source_path/$3
932ccf39 1519 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1520}
1521
1522ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1523DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1524HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1525PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1526BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1527MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1528DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1529OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1530INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1531PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1532FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1533
7483e694
DB
1534enable $ARCH_EXT_LIST \
1535 $DECODER_LIST \
1536 $ENCODER_LIST \
5666fd73 1537 $HWACCEL_LIST \
7483e694
DB
1538 $PARSER_LIST \
1539 $BSF_LIST \
1540 $DEMUXER_LIST \
1541 $MUXER_LIST \
f7679c54 1542 $FILTER_LIST \
7483e694
DB
1543 $PROTOCOL_LIST \
1544 $INDEV_LIST \
1545 $OUTDEV_LIST \
c597172e
MR
1546
1547die_unknown(){
1548 echo "Unknown option \"$1\"."
1549 echo "See $0 --help for available options."
1550 exit 1
1551}
1552
794f8e97 1553show_list() {
bf0c4afa
RP
1554 suffix=_$1
1555 shift
2b444ea7 1556 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1557 exit 0
1558}
1559
c597172e 1560for opt do
7483e694
DB
1561 optval="${opt#*=}"
1562 case "$opt" in
0f010b2f 1563 --extra-ldflags=*) add_ldflags $optval
7483e694 1564 ;;
0f010b2f 1565 --extra-libs=*) add_extralibs $optval
7483e694 1566 ;;
8fb1cb58 1567 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1568 ;;
40bcf4c7
BL
1569 --enable-debug=*) debuglevel="$optval"
1570 ;;
7483e694 1571 --enable-*=*|--disable-*=*)
8b93ddc3 1572 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1573 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1574 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1575 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1576 $action $(filter "$name" $list)
7483e694
DB
1577 ;;
1578 --enable-?*|--disable-?*)
5e622c40 1579 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1580 if is_in $option $COMPONENT_LIST; then
fed5d54b 1581 test $action = disable && action=unset
e3773a55
MR
1582 eval $action \$$(toupper ${option%s})_LIST
1583 elif is_in $option $CMDLINE_SELECT; then
1584 $action $option
1585 else
1586 die_unknown $opt
1587 fi
7483e694
DB
1588 ;;
1589 --list-*)
1590 NAME="${opt#--list-}"
1591 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1592 NAME=${NAME%s}
1593 eval show_list $NAME \$$(toupper $NAME)_LIST
1594 ;;
1595 --help|-h) show_help
1596 ;;
1597 *)
884a36a7 1598 optname="${opt%%=*}"
26759c44
MR
1599 optname="${optname#--}"
1600 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1601 if is_in $optname $CMDLINE_SET; then
1602 eval $optname='$optval'
1603 elif is_in $optname $CMDLINE_APPEND; then
1604 append $optname "$optval"
1605 else
1606 die_unknown $opt
1607 fi
7483e694
DB
1608 ;;
1609 esac
c597172e
MR
1610done
1611
bcea99bb
MR
1612disabled logging && logfile=/dev/null
1613
13cbe2c0 1614echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1615set >> $logfile
1616
9da6609f
MR
1617test -n "$cross_prefix" && enable cross_compile
1618
8d4c00ed
MR
1619if enabled cross_compile; then
1620 test -n "$arch" && test -n "$target_os" ||
1621 die "Must specify target arch and OS when cross-compiling"
1622fi
1623
1624set_default arch target_os
1625
adb2b908 1626ar="${cross_prefix}${ar}"
11e6d03a 1627cc_default="${cross_prefix}${cc_default}"
20e0ed95 1628nm_default="${cross_prefix}${nm_default}"
adb2b908 1629ranlib="${cross_prefix}${ranlib}"
4f837398 1630strip_default="${cross_prefix}${strip_default}"
adb2b908 1631
c5200f17
MR
1632sysinclude_default="${sysroot}/usr/include"
1633
4f837398 1634set_default cc nm strip sysinclude
9da6609f
MR
1635enabled cross_compile || host_cc_default=$cc
1636set_default host_cc
13c7df3d 1637
82bb3329
MR
1638exesuf() {
1639 case $1 in
1640 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1641 esac
1642}
1643
1644EXESUF=$(exesuf $target_os)
1645HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1646
e4e69e0b 1647# set temporary file name
a49d42c2 1648: ${TMPDIR:=$TEMPDIR}
c51fafa1 1649: ${TMPDIR:=$TMP}
a49d42c2 1650: ${TMPDIR:=/tmp}
e4e69e0b 1651
54460a83
MR
1652if ! check_cmd type mktemp; then
1653 # simple replacement for missing mktemp
1654 # NOT SAFE FOR GENERAL USE
1655 mktemp(){
1656 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1657 }
1658fi
1659
1660tmpfile(){
1661 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1662 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1663 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1664 append TMPFILES $tmp
1665 eval $1=$tmp
1666}
1667
1668trap 'rm -f -- $TMPFILES' EXIT
1669trap exit HUP INT TERM
1670
1671tmpfile TMPC .c
1672tmpfile TMPE $EXESUF
1673tmpfile TMPH .h
1674tmpfile TMPO .o
1675tmpfile TMPS .S
a482e61b 1676tmpfile TMPV .ver
54460a83
MR
1677tmpfile TMPSH .sh
1678
1679unset -f mktemp
e4e69e0b 1680
993f2d0f
MR
1681# make sure we can execute files in $TMPDIR
1682cat > $TMPSH 2>> $logfile <<EOF
1683#! /bin/sh
1684EOF
1685chmod +x $TMPSH >> $logfile 2>&1
1686if ! $TMPSH >> $logfile 2>&1; then
1687 cat <<EOF
1688Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1689variable to another directory and make sure that it is not mounted noexec.
1690EOF
1691 die "Sanity test failed."
1692fi
993f2d0f 1693
19b4c628
MR
1694filter_cflags=echo
1695filter_cppflags=echo
1696filter_asflags=echo
1697
8f0c157a 1698if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1699 cc_type=gcc
a3d7c197 1700 cc_version=__VERSION__
aef6bd1b
MR
1701 if ! $cc -dumpversion | grep -q '^2\.'; then
1702 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1703 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1704 fi
14ca9cd0
MR
1705 speed_cflags='-O3'
1706 size_cflags='-Os'
629687f6
MR
1707elif $cc --version 2>/dev/null | grep -q Intel; then
1708 cc_type=icc
6e3fa35d 1709 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1710 CC_DEPFLAGS='-MMD'
1711 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1712 speed_cflags='-O3'
1713 size_cflags='-Os'
629687f6
MR
1714elif $cc -v 2>&1 | grep -q xlc; then
1715 cc_type=xlc
6e3fa35d 1716 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1717 speed_cflags='-O5'
1718 size_cflags='-O5 -qcompact'
df442a8d
MR
1719elif $cc -V 2>/dev/null | grep -q Compaq; then
1720 cc_type=ccc
6e3fa35d 1721 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1722 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1723 debuglevel=3
df442a8d 1724 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1725 speed_cflags='-fast'
1726 size_cflags='-O1'
6a0d5493 1727elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1728 test -d "$sysroot" || die "No valid sysroot specified."
1729 cc_type=armcc
6e3fa35d 1730 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1731 armcc_conf="$PWD/armcc.conf"
1732 $cc --arm_linux_configure \
1733 --arm_linux_config_file="$armcc_conf" \
1734 --configure_sysroot="$sysroot" \
1735 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1736 die "Error creating armcc configuration file."
1737 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1738 as_default="${cross_prefix}gcc"
07dec06e
MR
1739 CC_DEPFLAGS='-MMD'
1740 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1741 speed_cflags='-O3'
1742 size_cflags='-Os'
6fec122a
MR
1743elif $cc -version 2>/dev/null | grep -q TMS470; then
1744 cc_type=tms470
6e3fa35d 1745 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1746 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1747 CC_O='-fr=$(@D)'
1748 as_default="${cross_prefix}gcc"
1749 ld_default="${cross_prefix}gcc"
6fec122a
MR
1750 TMPO=$(basename $TMPC .c).o
1751 append TMPFILES $TMPO
1752 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1753 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1754 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1755 speed_cflags='-O3 -mf=5'
1756 size_cflags='-O3 -mf=2'
6fec122a
MR
1757 filter_cflags=tms470_flags
1758 tms470_flags(){
1759 for flag; do
1760 case $flag in
1761 -march=*|-mcpu=*)
1762 case "${flag#*=}" in
1763 armv7-a|cortex-a*) echo -mv=7a8 ;;
1764 armv7-r|cortex-r*) echo -mv=7r4 ;;
1765 armv7-m|cortex-m*) echo -mv=7m3 ;;
1766 armv6*|arm11*) echo -mv=6 ;;
1767 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1768 echo -mv=5e ;;
1769 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1770 esac
1771 ;;
1772 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1773 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1774 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1775 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1776 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1777 -g) echo -g -mn ;;
587d24ff 1778 -pds=*) echo $flag ;;
6fec122a
MR
1779 esac
1780 done
1781 }
06da6943
DC
1782elif $cc -v 2>&1 | grep -q clang; then
1783 cc_type=clang
1784 cc_version=__VERSION__
1785 CC_DEPFLAGS='-MMD'
1786 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1787 speed_cflags='-O3'
1788 size_cflags='-Os'
2a472e9c
MK
1789elif $cc -V 2>&1 | grep -q Sun; then
1790 cc_type=suncc
1791 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1792 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1793 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1794 speed_cflags='-O5'
1795 size_cflags='-O5 -xspace'
03279bbe
MK
1796 filter_cflags=suncc_flags
1797 suncc_flags(){
1798 for flag; do
1799 case $flag in
1800 -march=*|-mcpu=*)
1801 case "${flag#*=}" in
1802 native) echo -xtarget=native ;;
1803 v9) echo -xarch=sparc ;;
1804 ultrasparc) echo -xarch=sparcvis ;;
1805 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1806 i586|pentium) echo -xchip=pentium ;;
1807 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1808 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1809 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1810 pentium4*) echo -xtarget=pentium4 ;;
1811 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1812 *-sse3) echo -xarch=sse3 ;;
1813 core2) echo -xarch=ssse3 -xchip=core2 ;;
1814 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1815 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1816 k8|opteron|athlon64|athlon-fx)
1817 echo -xarch=sse2a ;;
1818 athlon*) echo -xarch=pentium_proa ;;
1819 esac
1820 ;;
1821 -std=c99) echo -xc99 ;;
1822 -fomit-frame-pointer) echo -xregs=frameptr ;;
1823 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1824 -W*,*) echo $flag ;;
1825 -f*-*|-W*) ;;
1826 *) echo $flag ;;
1827 esac
1828 done
1829 }
629687f6
MR
1830fi
1831
1832test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1833
75bafbac 1834: ${as_default:=$cc}
50567afa 1835: ${dep_cc_default:=$cc}
684b28e0 1836: ${ld_default:=$cc}
50567afa 1837set_default as dep_cc ld
75800dce 1838
07dec06e
MR
1839test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1840test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1841
7f32f40c 1842add_cflags $extra_cflags
2f2e6c7c 1843add_asflags $extra_cflags
7f32f40c 1844
154d432c
MR
1845if test -n "$sysroot"; then
1846 case "$cc_type" in
1847 gcc)
467256f2 1848 add_cppflags --sysroot="$sysroot"
154d432c
MR
1849 add_ldflags --sysroot="$sysroot"
1850 ;;
6fec122a
MR
1851 tms470)
1852 add_cppflags -I"$sysinclude"
1853 add_ldflags --sysroot="$sysroot"
1854 ;;
06da6943
DC
1855 clang)
1856 add_cppflags -isysroot="$sysroot"
1857 add_ldflags -isysroot="$sysroot"
1858 ;;
154d432c
MR
1859 esac
1860fi
1861
d22c13a8
MR
1862if test "$cpu" = host; then
1863 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1864
1865 case "$cc_type" in
1866 gcc)
1867 check_native(){
1868 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1869 sed -n "/$1=/{
1870 s/.*$1=\\([^ ]*\\).*/\\1/
1871 p
1872 q
1873 }" $TMPE
d22c13a8
MR
1874 }
1875 cpu=$(check_native -march || check_native -mcpu)
1876 ;;
1877 esac
1878
1879 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1880fi
1881
e939cedd
MR
1882# Deal with common $arch aliases
1883case "$arch" in
1884 arm*)
1885 arch="arm"
1886 ;;
1887 mips|mipsel|IP*)
1888 arch="mips"
1889 ;;
1890 mips64)
1891 arch="mips"
1892 subarch="mips64"
1893 ;;
1894 parisc|hppa)
1895 arch="parisc"
1896 ;;
1897 parisc64|hppa64)
1898 arch="parisc"
1899 subarch="parisc64"
1900 ;;
1901 "Power Macintosh"|ppc|powerpc)
1902 arch="ppc"
1903 ;;
1904 ppc64)
1905 arch="ppc"
1906 subarch="ppc64"
1907 ;;
1908 s390|s390x)
1909 arch="s390"
1910 ;;
1911 sh4|sh)
1912 arch="sh4"
1913 ;;
1914 sun4u|sparc64)
1915 arch="sparc"
1916 subarch="sparc64"
1917 ;;
1918 i[3-6]86|i86pc|BePC|x86_64|amd64)
1919 arch="x86"
1920 ;;
1921esac
1922
1923is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1924enable $arch
e939cedd 1925
df5cdc24 1926# Add processor-specific flags
5d54c126
MR
1927if test "$cpu" = generic; then
1928 : do nothing
1929elif enabled ppc; then
343aef9b 1930
56348891
MR
1931 case $(tolower $cpu) in
1932 601|ppc601|powerpc601)
9dbd5c3d 1933 cpuflags="-mcpu=601"
64ad53ff 1934 disable altivec
9dbd5c3d 1935 ;;
56348891 1936 603*|ppc603*|powerpc603*)
9dbd5c3d 1937 cpuflags="-mcpu=603"
64ad53ff 1938 disable altivec
9dbd5c3d 1939 ;;
56348891 1940 604*|ppc604*|powerpc604*)
9dbd5c3d 1941 cpuflags="-mcpu=604"
64ad53ff 1942 disable altivec
9dbd5c3d 1943 ;;
56348891 1944 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1945 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1946 disable altivec
9dbd5c3d 1947 ;;
56348891 1948 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1949 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1950 ;;
56348891 1951 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1952 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1953 ;;
56348891 1954 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1955 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1956 ;;
56348891 1957 cell)
9dbd5c3d
MR
1958 cpuflags="-mcpu=cell"
1959 enable ldbrx
1960 ;;
7b0b81a1
AL
1961 e500v2)
1962 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1963 disable altivec
1964 ;;
1965 e500)
1966 cpuflags="-mcpu=8540 -mhard-float"
1967 disable altivec
1968 ;;
9dbd5c3d 1969 esac
343aef9b
MR
1970
1971elif enabled x86; then
1972
9dbd5c3d
MR
1973 case $cpu in
1974 i[345]86|pentium)
1975 cpuflags="-march=$cpu"
1976 disable mmx
1977 ;;
1978 # targets that do NOT support conditional mov (cmov)
1979 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1980 cpuflags="-march=$cpu"
1981 disable cmov
1982 ;;
1983 # targets that do support conditional mov (cmov)
1984 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1985 cpuflags="-march=$cpu"
1986 enable cmov
1987 enable fast_cmov
1988 ;;
1989 # targets that do support conditional mov but on which it's slow
1990 pentium4|pentium4m|prescott|nocona)
1991 cpuflags="-march=$cpu"
1992 enable cmov
1993 disable fast_cmov
1994 ;;
1995 esac
343aef9b
MR
1996
1997elif enabled sparc; then
1998
9dbd5c3d
MR
1999 case $cpu in
2000 sparc64)
2001 cpuflags="-mcpu=v9"
2002 ;;
2003 esac
343aef9b
MR
2004
2005elif enabled arm; then
2006
34ba23c9
MR
2007 case $cpu in
2008 armv*)
2009 cpuflags="-march=$cpu"
2010 ;;
2011 *)
2012 cpuflags="-mcpu=$cpu"
2013 ;;
2014 esac
343aef9b
MR
2015
2016elif enabled alpha; then
2017
34ba23c9 2018 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2019
2020elif enabled bfin; then
2021
34ba23c9 2022 cpuflags="-mcpu=$cpu"
343aef9b
MR
2023
2024elif enabled mips; then
2025
34ba23c9 2026 cpuflags="-march=$cpu"
343aef9b
MR
2027
2028elif enabled avr32; then
2029
9dbd5c3d
MR
2030 case $cpu in
2031 ap7[02]0[0-2])
2032 subarch="avr32_ap"
2033 cpuflags="-mpart=$cpu"
2034 ;;
2035 ap)
2036 subarch="avr32_ap"
2037 cpuflags="-march=$cpu"
2038 ;;
2039 uc3[ab]*)
2040 subarch="avr32_uc"
2041 cpuflags="-mcpu=$cpu"
2042 ;;
2043 uc)
2044 subarch="avr32_uc"
2045 cpuflags="-march=$cpu"
2046 ;;
2047 esac
df5cdc24 2048
343aef9b
MR
2049fi
2050
df5cdc24
MR
2051add_cflags $cpuflags
2052add_asflags $cpuflags
2053
993f2d0f
MR
2054# compiler sanity check
2055check_exec <<EOF
2056int main(void){ return 0; }
2057EOF
2058if test "$?" != 0; then
2059 echo "$cc is unable to create an executable file."
2060 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2061 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2062 echo "Only do this if you know what cross compiling means."
2063 fi
2064 die "C compiler test failed."
2065fi
2066
38a9c529 2067add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2068check_cflags -std=c99
50a334e4 2069check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2070#include <stdlib.h>
2071EOF
50a334e4 2072check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2073#include <stdlib.h>
2074EOF
e9b9a2f8 2075
f0125de9
MR
2076check_host_cflags -std=c99
2077
b24dbcbd 2078case "$arch" in
e939cedd 2079 alpha|ia64|mips|parisc|sparc)
8a3c8627 2080 spic=$shared
b24dbcbd 2081 ;;
e939cedd 2082 x86)
cfdb6148 2083 subarch="x86_32"
e939cedd 2084 check_cc <<EOF && subarch="x86_64"
58b3536d 2085 int test[(int)sizeof(char*) - 7];
cfdb6148 2086EOF
de27f4d9 2087 if test "$subarch" = "x86_64"; then
e939cedd 2088 spic=$shared
de27f4d9 2089 fi
b24dbcbd 2090 ;;
b24dbcbd
RP
2091esac
2092
343aef9b 2093enable $subarch
8a3c8627 2094enabled spic && enable pic
5755bc88 2095check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
b24dbcbd 2096
7483e694 2097# OS specific
4f854758 2098case $target_os in
7483e694 2099 beos|haiku|zeta)
c9d19248 2100 prefix_default="$HOME/config"
7483e694 2101 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 2102 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
2103 case "$gcc_version" in
2104 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2105 disable mmx
2106 ;;
2107 *20010315*) echo "BeBits gcc"
0f010b2f 2108 add_cflags -fno-expensive-optimizations
7483e694
DB
2109 ;;
2110 esac
7483e694
DB
2111 SHFLAGS=-nostart
2112 # enable BeOS things
2113 enable audio_beos
2114 # no need for libm, but the inet stuff
2115 # Check for BONE
2116 # XXX: actually should check for NOT net_server
78fe7631 2117 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
2118 network_extralibs="-lbind -lsocket"
2119 else
2120 enable beos_netserver
2121 network_extralibs="-lnet"
2122 fi ;;
2123 sunos)
2124 FFSERVERLDFLAGS=""
9987769a 2125 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2126 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2127 network_extralibs="-lsocket -lnsl"
50a334e4 2128 add_cppflags -D__EXTENSIONS__
8182dc34 2129 nm_opts='-P -g'
7483e694
DB
2130 ;;
2131 netbsd)
07a8eef6
MR
2132 oss_indev_extralibs="-lossaudio"
2133 oss_outdev_extralibs="-lossaudio"
7483e694
DB
2134 ;;
2135 openbsd)
89e053f8 2136 enable malloc_aligned
7c4a001a
MR
2137 # On OpenBSD 4.5. the compiler does not use PIC unless
2138 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2139 # however the generated executable will not do anything
2140 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2141 # Thus explicitly enable PIC here.
cd78208b 2142 enable pic
7483e694 2143 SHFLAGS='-shared'
07a8eef6
MR
2144 oss_indev_extralibs="-lossaudio"
2145 oss_outdev_extralibs="-lossaudio"
7483e694 2146 ;;
90b4f091 2147 freebsd|dragonfly)
89e053f8 2148 enable malloc_aligned
7483e694
DB
2149 ;;
2150 bsd/os)
2151 osextralibs="-lpoll -lgnugetopt"
2152 strip="strip -d"
2153 ;;
2154 darwin)
89e053f8 2155 enable malloc_aligned
0138c54e 2156 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2157 strip="strip -x"
2158 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2159 SLIBSUF=".dylib"
2160 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2161 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2162 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2163 objformat="macho"
1b0f6fb8 2164 enabled x86_64 && objformat="macho64"
8dfa86f7 2165 enabled_any pic shared ||
2704bd1a 2166 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2167 ;;
2168 mingw32*)
9d3f4f50 2169 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2170 disable network
2171 else
2172 target_os=mingw32
2173 fi
dcc01c06 2174 LIBTARGET=i386
1fc9fb8a 2175 if enabled x86_64; then
89e053f8 2176 enable malloc_aligned
dcc01c06 2177 LIBTARGET=x64
336cc1b0
MS
2178 elif enabled arm; then
2179 LIBTARGET=arm
dcc01c06 2180 fi
fbd971a4 2181 shlibdir_default="$bindir_default"
7483e694
DB
2182 disable ffserver
2183 SLIBPREF=""
2184 SLIBSUF=".dll"
7483e694
DB
2185 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2186 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2187 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2188 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2189 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2190 install -d "$(LIBDIR)"; \
2191 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2192 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2193 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2194 objformat="win32"
bc574408 2195 enable dos_paths
1894e741 2196 check_cflags -fno-common
b1549d61 2197 if ! enabled x86_64; then
f7ad5aa2
RP
2198 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2199 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2200 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2201 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2202 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2203 fi
7483e694
DB
2204 ;;
2205 cygwin*)
4f854758 2206 target_os=cygwin
fbd971a4 2207 shlibdir_default="$bindir_default"
7483e694
DB
2208 SLIBPREF="cyg"
2209 SLIBSUF=".dll"
2210 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2211 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2212 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2213 objformat="win32"
bc574408 2214 enable dos_paths
1894e741 2215 check_cflags -fno-common
7483e694 2216 ;;
4f365f37 2217 *-dos|freedos|opendos)
fdf11906 2218 disable ffplay ffserver
4f365f37
MK
2219 disable $INDEV_LIST $OUTDEV_LIST
2220 network_extralibs="-lsocket"
ff1c015d 2221 objformat="coff"
bc574408 2222 enable dos_paths
4f365f37 2223 ;;
7483e694 2224 linux)
7483e694
DB
2225 enable dv1394
2226 ;;
2227 irix*)
4f854758 2228 target_os=irix
7483e694
DB
2229 ranlib="echo ignoring ranlib"
2230 ;;
d22e8442 2231 os/2*)
d22e8442
DY
2232 strip="lxlite"
2233 ln_s="cp -f"
d22e8442 2234 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2235 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2236 FFSERVERLDFLAGS=""
287d3b13 2237 LIBSUF="_s.a"
d22e8442
DY
2238 SLIBPREF=""
2239 SLIBSUF=".dll"
2240 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2241 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2242 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2243 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2244 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2245 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2246 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2247 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2248 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2249 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2250 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2251 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2252 enable dos_paths
d22e8442 2253 ;;
83993c1c
AM
2254 gnu/kfreebsd)
2255 ;;
34e82167 2256 gnu)
34e82167 2257 ;;
614d8911
MR
2258 none)
2259 ;;
7483e694 2260 *)
4f924f9a 2261 die "Unknown OS '$target_os'."
7483e694
DB
2262 ;;
2263esac
2264
c9d19248
MR
2265set_default $PATHS_LIST
2266
c597172e 2267add_extralibs $osextralibs
de6d9b64 2268
28d8e661
DB
2269# Combine FFLDFLAGS and the LDFLAGS environment variable.
2270LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2271
320d060a 2272# we need to build at least one lib type
93b3c083 2273if ! enabled_any static shared; then
320d060a
DB
2274 cat <<EOF
2275At least one library type must be built.
2276Specify --enable-static to build the static libraries or --enable-shared to
2277build the shared libraries as well. To only build the shared libraries specify
2278--disable-static in addition to --enable-shared.
2279EOF
2280 exit 1;
2281fi
2282
abc4e572 2283disabled static && LIBNAME=""
2a320695 2284
a2234ceb
RP
2285if enabled_any libfaad libfaadbin ; then
2286 if check_header faad.h; then
295b8c70 2287 check_cc <<EOF
a2234ceb
RP
2288#include <faad.h>
2289#ifndef FAAD2_VERSION
2290ok faad1
2291#endif
db817cf3 2292int main(void) { return 0; }
a2234ceb
RP
2293EOF
2294 test $? = 0 && enable libfaad2
2295 else
ff3dac65 2296 die "FAAD test failed."
a2234ceb
RP
2297 fi
2298fi
2299
2300
2184c6f7 2301die_license_disabled() {
4c27207c 2302 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2303}
2304
2305die_license_disabled gpl libfaad2
2306die_license_disabled gpl libx264
2307die_license_disabled gpl libxvid
2308die_license_disabled gpl postproc
2309die_license_disabled gpl x11grab
2310
2f7ae63b 2311die_license_disabled nonfree libfaac
b2e3c528 2312
0b175caa
DB
2313die_license_disabled version3 libopencore_amrnb
2314die_license_disabled version3 libopencore_amrwb
2315
9cad0e4e 2316enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2317
9eeed841 2318check_deps $ARCH_EXT_LIST
0f3cb305 2319
40617a6d 2320disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2321
e276d9e8
MR
2322enable_pic() {
2323 enable pic
bce7b696
MR
2324 add_cppflags -DPIC
2325 add_cflags -fPIC
2326 add_asflags -fPIC
e276d9e8
MR
2327}
2328
2329enabled pic && enable_pic
bce7b696 2330
b4d96ba2
MR
2331check_cc <<EOF || die "Symbol mangling check failed."
2332int ff_extern;
2333EOF
8182dc34 2334sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2335extern_prefix=${sym%%ff_extern*}
2336
f65883c8
MR
2337check_cc <<EOF && enable inline_asm
2338void foo(void) { __asm__ volatile ("" ::); }
2339EOF
61d251db 2340
df5e3978
MR
2341_restrict=
2342for restrict_keyword in restrict __restrict__ __restrict; do
2343 check_cc <<EOF && _restrict=$restrict_keyword && break
2344void foo(char * $restrict_keyword p);
2345EOF
2346done
2347
2348check_cc <<EOF && enable attribute_packed
2349struct { int x; } __attribute__((packed)) x;
2350EOF
2351
dffb41b9
MR
2352check_cc <<EOF && enable attribute_may_alias
2353union { int x; } __attribute__((may_alias)) x;
2354EOF
2355
df5e3978
MR
2356check_cc <<EOF || die "endian test failed"
2357unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2358EOF
48fc536a 2359od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2360
e939cedd
MR
2361if enabled alpha; then
2362
2363 check_cflags -mieee
2364
2365elif enabled arm; then
e45391bb 2366
50fa82e6
MR
2367 check_cflags -marm
2368
fa0912fe
MR
2369 check_ld <<EOF && enable vfp_args
2370__asm__ (".eabi_attribute 28, 1");
2371int main(void) { return 0; }
2372EOF
2373
2374 # We have to check if pld is a nop and disable it.
2375 check_asm pld '"pld [r0]"'
2376
2377 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2378 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2379 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2380 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2381 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2382 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2383
e276d9e8
MR
2384 enabled_all armv6t2 shared !pic && enable_pic
2385
e939cedd
MR
2386elif enabled ia64; then
2387
2388 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2389 enabled shared && enable_weak hardcoded_tables
2390
fa0912fe 2391elif enabled mips; then
e45391bb 2392
fa0912fe
MR
2393 check_asm loongson '"dmult.g $1, $2, $3"'
2394 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2395
fa0912fe 2396elif enabled ppc; then
e45391bb 2397
e6a0c354
MR
2398 enable local_aligned_8 local_aligned_16
2399
fa0912fe
MR
2400 check_asm dcbzl '"dcbzl 0, 1"'
2401 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2402 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2403
2404 # AltiVec flags: The FSF version of GCC differs from the Apple version
2405 if enabled altivec; then
2406 check_cflags -maltivec -mabi=altivec &&
2407 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2408 check_cflags -faltivec
2409
2410 # check if our compiler supports Motorola AltiVec C API
2411 check_cc <<EOF || disable altivec
2412$inc_altivec_h
2413int main(void) {
2414 vector signed int v1, v2, v3;
2415 v1 = vec_add(v2,v3);
2416 return 0;
2417}
2418EOF
2419
2420 # check if our compiler supports braces for vector declarations
2421 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2422$inc_altivec_h
2423int main (void) { (vector int) {1}; return 0; }
2424EOF
2425 fi
e45391bb 2426
fa0912fe 2427elif enabled sparc; then
e45391bb 2428
fa0912fe
MR
2429 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2430 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2431
fa0912fe 2432elif enabled x86; then
e45391bb 2433
e6a0c354
MR
2434 enable local_aligned_8 local_aligned_16
2435
44965991
PI
2436 # check whether EBP is available on x86
2437 # As 'i' is stored on the stack, this program will crash
2438 # if the base pointer is used to access it because the
2439 # base pointer is cleared in the inline assembly code.
7dfef245 2440 check_exec_crash <<EOF && enable ebp_available
44965991 2441 volatile int i=0;
be449fca 2442 __asm__ volatile (
44965991
PI
2443 "xorl %%ebp, %%ebp"
2444 ::: "%ebp");
2445 return i;
44965991
PI
2446EOF
2447
f494213c 2448 # check whether EBX is available on x86
7cee5421
MR
2449 check_asm ebx_available '""::"b"(0)' &&
2450 check_asm ebx_available '"":::"%ebx"'
8e380710 2451
d3a4b4e0
DB
2452 # check whether more than 10 operands are supported
2453 check_cc <<EOF && enable ten_operands
2454int main(void) {
2455 int x=0;
2456 __asm__ volatile(
2457 ""
2458 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2459 );
2460 return 0;
2461}
2462EOF
2463
d7f0920b 2464 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2465 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2466 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2467
2468 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2469
d52481b9 2470 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2471 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2472 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2473 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2474 case "$objformat" in
2475 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2476 esac
7595a5e4 2477 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2478
669b5583
MR
2479 case "$cpu" in
2480 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2481 disable fast_clz
2482 ;;
2483 esac
2484
44965991
PI
2485fi
2486
a98bb16d
RP
2487if check_func dlopen; then
2488 ldl=
2489elif check_func dlopen -ldl; then
2490 ldl=-ldl
8bf5d58f
MN
2491fi
2492
75ecf149
DB
2493# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2494check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2495
7483e694 2496check_func fork
84882df6 2497check_func getaddrinfo $network_extralibs
7483e694
DB
2498check_func gethrtime
2499check_func getrusage
094c09bb 2500check_func inet_aton $network_extralibs
abfc8d05 2501check_func isatty
4ae40685 2502check_func ${malloc_prefix}memalign && enable memalign
7483e694 2503check_func mkstemp
4ae40685 2504check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2505check_func setrlimit
b507ebd1 2506check_func_headers io.h setmode
e4673692 2507check_func_headers lzo/lzo1x.h lzo1x_999_compress
2446d3d6 2508check_func_headers windows.h GetProcessTimes
7c5bfe7a 2509check_func_headers windows.h VirtualAlloc
6ffa87d3 2510
e16e49ac 2511check_header conio.h
a98bb16d 2512check_header dlfcn.h
92c6a099 2513check_header dxva2api.h
a98bb16d 2514check_header malloc.h
bf6ce82d 2515check_header poll.h
b58412f1 2516check_header sys/mman.h
b091aa44 2517check_header sys/resource.h
bf6ce82d 2518check_header sys/select.h
a98bb16d 2519check_header termios.h
272081b0
CEH
2520check_header vdpau/vdpau.h
2521check_header vdpau/vdpau_x11.h
68178ca9 2522check_header X11/extensions/XvMClib.h
a98bb16d 2523
9104cd51
RP
2524check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2525
89e053f8
MR
2526if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2527 enabled_any $need_memalign ; then
1f91cdce 2528 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2529fi
e16e49ac 2530
a4fa192c 2531disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2532disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2533
2534# check for some common methods of building with pthread support
2535# do this before the optional library checks as some of them require pthreads
2536if enabled pthreads; then
9e7fd101
MR
2537 if check_func pthread_create; then
2538 :
2539 elif check_func pthread_create -pthread; then
2540 add_cflags -pthread
afc9aee2 2541 add_extralibs -pthread
9e7fd101
MR
2542 elif check_func pthread_create -pthreads; then
2543 add_cflags -pthreads
afc9aee2 2544 add_extralibs -pthreads
8d94f606
GT
2545 elif check_func pthread_create -lpthreadGC2; then
2546 add_extralibs -lpthreadGC2
9e7fd101
MR
2547 elif ! check_lib pthread.h pthread_create -lpthread; then
2548 die "ERROR: can't find pthreads library"
2549 fi
57bd82d4
MR
2550fi
2551
8eee7025 2552for thread in $THREADS_LIST; do
e5f94c2b 2553 if enabled $thread; then
3ae3b721
RP
2554 test -n "$thread_type" &&
2555 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2556 thread_type="$thread"
e5f94c2b
RP
2557 fi
2558done
2559
fdf88598 2560check_lib math.h sin -lm
ff418735 2561check_lib va/va.h vaInitialize -lva
fdf88598 2562
645d2652
MR
2563check_mathfunc exp2
2564check_mathfunc exp2f
2565check_mathfunc llrint
2566check_mathfunc log2
2567check_mathfunc log2f
2568check_mathfunc lrint
2569check_mathfunc lrintf
2570check_mathfunc round
2571check_mathfunc roundf
2572check_mathfunc truncf
f32adb22 2573
57bd82d4 2574# these are off by default, so fail if requested and not available
a1b3c5a3 2575enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2576enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2577 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2578 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2579enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2580enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
5af41508 2581enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2582enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2583enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2584enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2585enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2586enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2587enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2588 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2589enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2590enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2591enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
e69bb386 2592enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
76d81909
JGG
2593 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2594 die "ERROR: libx264 version must be >= 0.83."; }
2bfecf73 2595enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2596enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2597
0b4a1821
AS
2598# libdc1394 check
2599if enabled libdc1394; then
2600 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2601 enable libdc1394_2; } ||
2602 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2603 enable libdc1394_1; } ||
2604 die "ERROR: No version of libdc1394 found "
2605fi
2606
6a1a892f 2607SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2608if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2609 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2610 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2611 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2612 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2613 enable sdl &&
2614 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2615fi
57bd82d4 2616
2270b4b2 2617texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2618
73b46a95 2619if enabled network; then
96000432 2620 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2621 check_type netdb.h "struct addrinfo"
b4d68544
MS
2622 check_type netinet/in.h "struct ipv6_mreq"
2623 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2624 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2625 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2626 # Prefer arpa/inet.h over winsock2
2627 if check_header arpa/inet.h ; then
2628 check_func closesocket
2629 elif check_header winsock2.h ; then
f4c13872
MS
2630 check_func_headers winsock2.h closesocket -lws2 && \
2631 network_extralibs="-lws2" || \
2632 { check_func_headers winsock2.h closesocket -lws2_32 && \
2633 network_extralibs="-lws2_32"; }
72be9e73 2634 check_type ws2tcpip.h socklen_t
c0018613 2635 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2636 check_type ws2tcpip.h "struct ipv6_mreq"
2637 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2638 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2639 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2640 else
2641 disable network
73b46a95
RP
2642 fi
2643fi
2644
06e31011
RP
2645check_header linux/videodev.h
2646check_header linux/videodev2.h
1b6e8b73 2647check_header sys/videoio.h
47f38850 2648
27796dc3 2649check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2650
f8aa696f 2651# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2652{ check_header dev/bktr/ioctl_meteor.h &&
2653 check_header dev/bktr/ioctl_bt848.h; } ||
2654{ check_header machine/ioctl_meteor.h &&
2655 check_header machine/ioctl_bt848.h; } ||
2656{ check_header dev/video/meteor/ioctl_meteor.h &&
2657 check_header dev/video/bktr/ioctl_bt848.h; } ||
2658check_header dev/ic/bt8xx.h
f8aa696f 2659
c7682de0
RP
2660check_header sys/soundcard.h
2661check_header soundcard.h
deb29777 2662
b6f3d925 2663enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2664
0e57fe17 2665enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2666
56a059ac 2667enabled x11grab &&
f58f4ce1
GP
2668check_header X11/Xlib.h &&
2669check_header X11/extensions/XShm.h &&
0a045661 2670check_header X11/extensions/Xfixes.h &&
f58f4ce1 2671check_func XOpenDisplay -lX11 &&
781c1aa6
R
2672check_func XShmCreateImage -lX11 -lXext &&
2673check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2674
598ef02b 2675if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2676check_cpp_condition \
2677 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2678 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2679 disable vdpau; }
abf649c7 2680fi
deda2a4a 2681
95e561ec 2682enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2683
2684# add some useful compiler flags if supported
2685check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2686check_cflags -Wall
2687check_cflags -Wno-switch
c07bd6a9
MN
2688check_cflags -Wdisabled-optimization
2689check_cflags -Wpointer-arith
2690check_cflags -Wredundant-decls
cc1fb623 2691check_cflags -Wno-pointer-sign
f4929996 2692check_cflags -Wcast-qual
9aceb3cf 2693check_cflags -Wwrite-strings
652a5bf6 2694check_cflags -Wtype-limits
764551c6 2695check_cflags -Wundef
5af4e0cc 2696enabled extra_warnings && check_cflags -Winline
cf9d24ad 2697
57bd82d4 2698# add some linker flags
5c0e9479 2699check_ldflags -Wl,--warn-common
8351d2ba
DB
2700check_ldflags -Wl,--as-needed
2701check_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 2702check_ldflags -Wl,-Bsymbolic
94a3401e 2703
a482e61b
MR
2704echo "X{};" > $TMPV
2705test_ldflags -Wl,--version-script,$TMPV &&
2706 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2707
bd2216e4 2708if enabled small; then
14ca9cd0 2709 add_cflags $size_cflags
8400d6b8
DB
2710 optimizations="small"
2711elif enabled optimizations; then
14ca9cd0 2712 add_cflags $speed_cflags
cddf3f45 2713fi
11fdbc44 2714check_cflags -fno-math-errno
b2eb2ff0 2715check_cflags -fno-signed-zeros
cddf3f45 2716
629687f6 2717if enabled icc; then
b1598b58
MR
2718 # Just warnings, no remarks
2719 check_cflags -w1
2720 # -wd: Disable following warnings
2721 # 144, 167, 556: -Wno-pointer-sign
2722 # 10006: ignoring unknown option -fno-signed-zeros
2723 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2724 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2725 # 11030: Warning unknown option --as-needed
2726 # 10156: ignoring option '-export'; no argument required
2727 check_ldflags -wd10156,11030
2728 # Allow to compile with optimizations
2729 check_ldflags -march=$cpu
be2cf98a
CEH
2730 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2731 enable ebp_available
df442a8d
MR
2732elif enabled ccc; then
2733 # disable some annoying warnings
2734 add_cflags -msg_disable cvtu32to64
2735 add_cflags -msg_disable embedcomment
2736 add_cflags -msg_disable needconstext
2737 add_cflags -msg_disable nomainieee
2738 add_cflags -msg_disable ptrmismatch1
2739 add_cflags -msg_disable unreachcode
973859f5
MR
2740elif enabled gcc; then
2741 check_cflags -fno-tree-vectorize
06da6943
DC
2742elif enabled clang; then
2743 check_cflags -Qunused-arguments
138132be
MR
2744elif enabled armcc; then
2745 # 2523: use of inline assembler is deprecated
2746 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2747 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2748elif enabled tms470; then
2749 add_cflags -pds=824 -pds=837
504a64b9
CEH
2750fi
2751
90be59ef 2752if enabled gprof; then
0f010b2f
DB
2753 add_cflags -p
2754 add_ldflags -p
1db54e20
DB
2755fi
2756
7f3c02fc 2757# Find out if the .align argument is a power of two or not.
9377b6ce 2758check_asm asmalign_pot '".align 3"'
4454dc1b 2759
7483e694
DB
2760enabled_any $DECODER_LIST && enable decoders
2761enabled_any $ENCODER_LIST && enable encoders
5666fd73 2762enabled_any $HWACCEL_LIST && enable hwaccels
7483e694
DB
2763enabled_any $BSF_LIST && enable bsfs
2764enabled_any $DEMUXER_LIST && enable demuxers
2765enabled_any $MUXER_LIST && enable muxers
f7679c54 2766enabled_any $FILTER_LIST && enable filters
63d72fda
DB
2767enabled_any $INDEV_LIST && enable indevs
2768enabled_any $OUTDEV_LIST && enable outdevs
7483e694
DB
2769enabled_any $PROTOCOL_LIST && enable protocols
2770
2771enabled_any $THREADS_LIST && enable threads
2772
2773check_deps $CONFIG_LIST \
b6bb00b0 2774 $CONFIG_EXTRA \
7483e694
DB
2775 $HAVE_LIST \
2776 $DECODER_LIST \
2777 $ENCODER_LIST \
5666fd73 2778 $HWACCEL_LIST \
7483e694
DB
2779 $PARSER_LIST \
2780 $BSF_LIST \
2781 $DEMUXER_LIST \
2782 $MUXER_LIST \
f7679c54 2783 $FILTER_LIST \
7483e694
DB
2784 $INDEV_LIST \
2785 $OUTDEV_LIST \
2786 $PROTOCOL_LIST \
f70f03f6 2787
c8a4ae00
MR
2788enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2789
3e89171a 2790echo "install prefix $prefix"
f36958f8
DB
2791echo "source path $source_path"
2792echo "C compiler $cc"
bfd5afd8 2793echo ".align is power-of-two $asmalign_pot"
f36958f8 2794echo "ARCH $arch ($cpu)"
ce8871c2
MR
2795if test "$build_suffix" != ""; then
2796 echo "build suffix $build_suffix"
eb94aca9 2797fi
ac63af34
DB
2798if test "$extra_version" != ""; then
2799 echo "version string suffix $extra_version"
2800fi
0db2ce77 2801echo "big-endian ${bigendian-no}"
e90f5b5a 2802echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2803if enabled x86; then
af44e8e4 2804 echo "yasm ${yasm-no}"
0db2ce77 2805 echo "MMX enabled ${mmx-no}"
30e98e62 2806 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2807 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2808 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2809 echo "SSE enabled ${sse-no}"
30e98e62 2810 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2811 echo "CMOV enabled ${cmov-no}"
2812 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2813 echo "EBX available ${ebx_available-no}"
2814 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2815 echo "10 operands supported ${ten_operands-no}"
e41e8342 2816fi
5b6c2cbd 2817if enabled arm; then
0db2ce77
MR
2818 echo "ARMv5TE enabled ${armv5te-no}"
2819 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2820 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2821 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2822 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2823 echo "NEON enabled ${neon-no}"
eba9ae3c 2824fi
5b6c2cbd 2825if enabled mips; then
0db2ce77 2826 echo "MMI enabled ${mmi-no}"
e41e8342 2827fi
5b6c2cbd 2828if enabled ppc; then
0db2ce77 2829 echo "AltiVec enabled ${altivec-no}"
30e98e62 2830 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2831 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2832 echo "performance report ${powerpc_perf-no}"
2833fi
2834if enabled sparc; then
2835 echo "VIS enabled ${vis-no}"
e41e8342 2836fi
0db2ce77
MR
2837echo "gprof enabled ${gprof-no}"
2838echo "debug symbols ${debug-no}"
87a0fb62 2839echo "strip symbols ${stripping-no}"
8400d6b8 2840echo "optimizations ${optimizations-no}"
0db2ce77
MR
2841echo "static ${static-no}"
2842echo "shared ${shared-no}"
4a24ab64 2843echo "postprocessing support ${postproc-no}"
f7679c54 2844echo "new filter support ${avfilter-no}"
81124ba0 2845echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2846echo "network support ${network-no}"
0db2ce77
MR
2847echo "threading support ${thread_type-no}"
2848echo "SDL support ${sdl-no}"
0db2ce77
MR
2849echo "Sun medialib support ${mlib-no}"
2850echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2851echo "libdc1394 support ${libdc1394-no}"
690bfceb 2852echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2853echo "libfaac enabled ${libfaac-no}"
2854echo "libfaad enabled ${libfaad-no}"
7e0871a7 2855echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2856echo "libgsm enabled ${libgsm-no}"
2857echo "libmp3lame enabled ${libmp3lame-no}"
2858echo "libnut enabled ${libnut-no}"
0b175caa
DB
2859echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2860echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2861echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2862echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2863echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2864echo "libtheora enabled ${libtheora-no}"
2865echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2866echo "libx264 enabled ${libx264-no}"
2867echo "libxvid enabled ${libxvid-no}"
0db2ce77 2868echo "zlib enabled ${zlib-no}"
f402916e 2869echo "bzlib enabled ${bzlib-no}"
2c62e737 2870echo
de6d9b64 2871
5666fd73 2872for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2873 echo "Enabled ${type}s:"
f65c9da1 2874 eval list=\$$(toupper $type)_LIST
8138b9db 2875 for part in $list; do
f65c9da1
MR
2876 enabled $part && echo ${part%_*}
2877 done | sort | pr -3 -t
2878 echo
8138b9db
RP
2879done
2880
ba7a7039 2881license="LGPL version 2.1 or later"
ba321adb 2882if enabled nonfree; then
ba7a7039 2883 license="nonfree and unredistributable"
9cad0e4e
DB
2884elif enabled gplv3; then
2885 license="GPL version 3 or later"
2886elif enabled lgplv3; then
2887 license="LGPL version 3 or later"
ba321adb 2888elif enabled gpl; then
ba7a7039 2889 license="GPL version 2 or later"
ba321adb
JK
2890fi
2891
2892echo "License: $license"
ca5323af 2893
cf1392e9
DB
2894echo "Creating config.mak and config.h..."
2895
df642790
MR
2896# build tree in object directory if source path is different from current one
2897if enabled source_path_used; then
2898 DIRS="
2899 doc
2900 libavcodec
2901 libavcodec/$arch
2902 libavdevice
2903 libavfilter
2904 libavformat
2905 libavutil
2906 libavutil/$arch
2907 libpostproc
2908 libswscale
2909 libswscale/$arch
2910 tests
2911 tools
2912 "
2913 FILES="
2914 Makefile
2915 common.mak
2916 subdir.mak
2917 doc/texi2pod.pl
2918 libavcodec/Makefile
2919 libavdevice/Makefile
2920 libavfilter/Makefile
2921 libavformat/Makefile
2922 libavutil/Makefile
2923 libpostproc/Makefile
2924 libswscale/Makefile
2925 "
2926 for dir in $DIRS ; do
2927 mkdir -p $dir
2928 done
2929 for f in $FILES ; do
2930 $ln_s "$source_path/$f" $f
2931 done
2932fi
2933
ad212cc6
MR
2934enabled stripping || strip="echo skipping strip"
2935
173c983b
MR
2936cat > config.mak <<EOF
2937# Automatically generated by configure - do not modify!
2938ifndef FFMPEG_CONFIG_MAK
2939FFMPEG_CONFIG_MAK=1
2940FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2941prefix=$prefix
2942LIBDIR=\$(DESTDIR)$libdir
2943SHLIBDIR=\$(DESTDIR)$shlibdir
2944INCDIR=\$(DESTDIR)$incdir
2945BINDIR=\$(DESTDIR)$bindir
2946DATADIR=\$(DESTDIR)$datadir
2947MANDIR=\$(DESTDIR)$mandir
2948SRC_PATH="$source_path"
2949SRC_PATH_BARE=$source_path
2950BUILD_ROOT="$PWD"
2951ARCH=$arch
2952CC=$cc
2953AS=$as
2954LD=$ld
2955DEPCC=$dep_cc
2956YASM=$yasmexe
2957AR=$ar
2958RANLIB=$ranlib
2959LN_S=$ln_s
2960STRIP=$strip
2961CPPFLAGS=$CPPFLAGS
2962CFLAGS=$CFLAGS
2963ASFLAGS=$ASFLAGS
2964CC_O=$CC_O
2965LDFLAGS=$LDFLAGS
2966FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2967SHFLAGS=$SHFLAGS
2968YASMFLAGS=$YASMFLAGS
2969BUILDSUF=$build_suffix
2970FULLNAME=$FULLNAME
2971LIBPREF=$LIBPREF
2972LIBSUF=$LIBSUF
2973LIBNAME=$LIBNAME
2974SLIBPREF=$SLIBPREF
2975SLIBSUF=$SLIBSUF
2976EXESUF=$EXESUF
2977EXTRA_VERSION=$extra_version
2978DEPFLAGS=$DEPFLAGS
2979CCDEP=$CCDEP
2980ASDEP=$ASDEP
2981CC_DEPFLAGS=$CC_DEPFLAGS
2982AS_DEPFLAGS=$AS_DEPFLAGS
2983HOSTCC=$host_cc
2984HOSTCFLAGS=$host_cflags
2985HOSTEXESUF=$HOSTEXESUF
2986HOSTLDFLAGS=$host_ldflags
2987HOSTLIBS=$host_libs
2988TARGET_EXEC=$target_exec
2989TARGET_PATH=$target_path
2990SDL_LIBS=$sdl_libs
2991SDL_CFLAGS=$sdl_cflags
2992LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2993EXTRALIBS=$extralibs
2994EOF
5a872801 2995
719c8e00
MR
2996get_version(){
2997 name=$1
2998 file=$source_path/$2
147e7692
MR
2999 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3000 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3001 lcname=$(tolower $name)
3002 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3003 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3004}
3005
147e7692
MR
3006get_version LIBSWSCALE libswscale/swscale.h
3007get_version LIBPOSTPROC libpostproc/postprocess.h
3008get_version LIBAVCODEC libavcodec/avcodec.h
3009get_version LIBAVDEVICE libavdevice/avdevice.h
3010get_version LIBAVFORMAT libavformat/avformat.h
3011get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3012get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3013
173c983b
MR
3014enabled shared && cat >> config.mak <<EOF
3015LIBTARGET=${LIBTARGET}
3016SLIBNAME=${SLIBNAME}
3017SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3018SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3019SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3020SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3021SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3022SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3023EOF
523ef551 3024
173c983b
MR
3025enabled asmalign_pot || align_shift="1 <<"
3026
3027cat > $TMPH <<EOF
3028/* Automatically generated by configure - do not modify! */
3029#ifndef FFMPEG_CONFIG_H
3030#define FFMPEG_CONFIG_H
3031#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3032#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3033#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3034#define CC_TYPE "$cc_type"
3035#define CC_VERSION $cc_version
3036#define restrict $_restrict
3037#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3038#define EXTERN_PREFIX "${extern_prefix}"
3039#define EXTERN_ASM ${extern_prefix}
3040EOF
523ef551 3041
4ae40685
MR
3042test -n "$malloc_prefix" &&
3043 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3044
523ef551
DB
3045if enabled small || disabled optimizations; then
3046 echo "#define av_always_inline" >> $TMPH
3047fi
3048
3d907e22
MR
3049print_config ARCH_ $TMPH config.mak $ARCH_LIST
3050print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3051print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3052 $CONFIG_EXTRA \
7483e694
DB
3053 $DECODER_LIST \
3054 $ENCODER_LIST \
5666fd73 3055 $HWACCEL_LIST \
7483e694
DB
3056 $PARSER_LIST \
3057 $BSF_LIST \
3058 $DEMUXER_LIST \
3059 $MUXER_LIST \
f7679c54 3060 $FILTER_LIST \
7483e694
DB
3061 $PROTOCOL_LIST \
3062 $INDEV_LIST \
3063 $OUTDEV_LIST \
8ac17293 3064
9c05103f 3065echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3066echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3067
b7860763 3068# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3069cp_if_changed $TMPH config.h
3d204385 3070
a3e02a8c
MR
3071cat > $TMPH <<EOF
3072/* Generated by ffconf */
3073#ifndef AVUTIL_AVCONFIG_H
3074#define AVUTIL_AVCONFIG_H
3075EOF
3076
3077print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3078
3079echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3080
3081cp_if_changed $TMPH libavutil/avconfig.h
3082
d0674868 3083# build pkg-config files
def4272a 3084
d0674868
DB
3085pkgconfig_generate(){
3086name=$1
b0dfd108 3087shortname=${name#lib}${build_suffix}
d0674868
DB
3088comment=$2
3089version=$3
3090libs=$4
3091requires=$5
25cd5cb3 3092cat <<EOF > $name/$name.pc
3e89171a 3093prefix=$prefix
a94e666c 3094exec_prefix=\${prefix}
f2b7382c 3095libdir=$libdir
7622778e 3096includedir=$incdir
def4272a 3097
d0674868
DB
3098Name: $name
3099Description: $comment
3100Version: $version
8cd6b388 3101Requires: $(enabled shared || echo $requires)
5dcfe9f8 3102Requires.private: $(enabled shared && echo $requires)
def4272a 3103Conflicts:
8cd6b388 3104Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3105Libs.private: $(enabled shared && echo $libs)
76a448ed 3106Cflags: -I\${includedir}
def4272a 3107EOF
25cd5cb3 3108cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3109prefix=
3110exec_prefix=
46d1ff83 3111libdir=\${pcfiledir}
1d44d365 3112includedir=${source_path}
def4272a 3113
d0674868
DB
3114Name: $name
3115Description: $comment
3116Version: $version
3117Requires: $requires
def4272a 3118Conflicts:
12701f6e 3119Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3120Cflags: -I\${includedir}
3121EOF
d0674868 3122}
def4272a 3123
e426941d 3124pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3125pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3126pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3127pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3128enabled avfilter &&
46983309 3129 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3130enabled postproc &&
e426941d 3131 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3132pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"