configure: require --arch and --target-os when cross-compiling
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
f57620d5
MR
3# FFmpeg configure script
4#
949906ea
DB
5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
79ab96ba
DB
11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
c21d6325
MR
15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
MR
20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
MR
24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
MR
27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
MR
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
MR
43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
505dfb09
DB
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
c21d6325
MR
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
MR
54 exit 1
55fi
56
74c53c2d 57show_help(){
06454877
MR
58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.err]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffserver disable ffserver build
5a0f7131
MR
86 --disable-avdevice disable libavdevice build
87 --disable-avcodec disable libavcodec build
88 --disable-avformat disable libavformat build
89 --disable-swscale disable libswscale build
06454877
MR
90 --enable-postproc enable GPLed postprocessing support [no]
91 --enable-avfilter video filter support [no]
92 --enable-avfilter-lavf video filters dependent on avformat [no]
93 --enable-beosthreads use BeOS threads [no]
94 --enable-os2threads use OS/2 threads [no]
95 --enable-pthreads use pthreads [no]
96 --enable-w32threads use Win32 threads [no]
97 --enable-x11grab enable X11 grabbing [no]
98 --disable-network disable network support [no]
06454877
MR
99 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
100 --enable-gray enable full grayscale support (slower color)
101 --disable-swscale-alpha disable alpha channel support in swscale
102 --disable-fastdiv disable table-based division
103 --enable-small optimize for size instead of speed
104 --disable-aandct disable AAN DCT code
7f3f5f46 105 --disable-dct disable DCT code
06454877
MR
106 --disable-fft disable FFT code
107 --disable-golomb disable Golomb code
108 --disable-lpc disable LPC code
109 --disable-mdct disable MDCT code
110 --disable-rdft disable RDFT code
111 --disable-vaapi disable VAAPI code
112 --disable-vdpau disable VDPAU code
92c6a099 113 --disable-dxva2 disable DXVA2 code
06454877
MR
114 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
115 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
116 --enable-memalign-hack emulate memalign, interferes with memory debuggers
117 --enable-beos-netserver enable BeOS netserver
118 --disable-encoder=NAME disable encoder NAME
119 --enable-encoder=NAME enable encoder NAME
120 --disable-encoders disable all encoders
121 --disable-decoder=NAME disable decoder NAME
122 --enable-decoder=NAME enable decoder NAME
123 --disable-decoders disable all decoders
124 --disable-hwaccel=NAME disable hwaccel NAME
125 --enable-hwaccel=NAME enable hwaccel NAME
126 --disable-hwaccels disable all hwaccels
127 --disable-muxer=NAME disable muxer NAME
128 --enable-muxer=NAME enable muxer NAME
129 --disable-muxers disable all muxers
130 --disable-demuxer=NAME disable demuxer NAME
131 --enable-demuxer=NAME enable demuxer NAME
132 --disable-demuxers disable all demuxers
133 --enable-parser=NAME enable parser NAME
134 --disable-parser=NAME disable parser NAME
135 --disable-parsers disable all parsers
136 --enable-bsf=NAME enable bitstream filter NAME
137 --disable-bsf=NAME disable bitstream filter NAME
138 --disable-bsfs disable all bitstream filters
139 --enable-protocol=NAME enable protocol NAME
140 --disable-protocol=NAME disable protocol NAME
141 --disable-protocols disable all protocols
142 --disable-indev=NAME disable input device NAME
143 --disable-outdev=NAME disable output device NAME
144 --disable-indevs disable input devices
145 --disable-outdevs disable output devices
146 --disable-devices disable all devices
147 --enable-filter=NAME enable filter NAME
148 --disable-filter=NAME disable filter NAME
149 --disable-filters disable all filters
150 --list-decoders show all available decoders
151 --list-encoders show all available encoders
152 --list-hwaccels show all available hardware accelerators
153 --list-muxers show all available muxers
154 --list-demuxers show all available demuxers
155 --list-parsers show all available parsers
156 --list-protocols show all available protocols
157 --list-bsfs show all available bitstream filters
158 --list-indevs show all available input devices
159 --list-outdevs show all available output devices
160 --list-filters show all available filters
161
162External library support:
163 --enable-avisynth enable reading of AVISynth script files [no]
164 --enable-bzlib enable bzlib [autodetect]
165 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
166 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
167 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
168 and libraw1394 [no]
169 --enable-libdirac enable Dirac support via libdirac [no]
170 --enable-libfaac enable FAAC support via libfaac [no]
171 --enable-libfaad enable FAAD support via libfaad [no]
172 --enable-libfaadbin open libfaad.so.0 at runtime [no]
173 --enable-libgsm enable GSM support via libgsm [no]
174 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
175 --enable-libnut enable NUT (de)muxing via libnut,
176 native (de)muxer exists [no]
177 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
178 --enable-libschroedinger enable Dirac support via libschroedinger [no]
179 --enable-libspeex enable Speex decoding via libspeex [no]
180 --enable-libtheora enable Theora encoding via libtheora [no]
181 --enable-libvorbis enable Vorbis encoding via libvorbis,
182 native implementation exists [no]
183 --enable-libx264 enable H.264 encoding via x264 [no]
184 --enable-libxvid enable Xvid encoding via xvidcore,
185 native MPEG-4/Xvid encoder exists [no]
186 --enable-mlib enable Sun medialib [no]
187 --enable-zlib enable zlib [autodetect]
188
189Advanced options (experts only):
190 --source-path=PATH path to source code [$source_path]
191 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
192 --enable-cross-compile assume a cross-compiler is used
193 --sysroot=PATH root of cross-build tree
194 --sysinclude=PATH location of cross-build system headers
195 --target-os=OS compiler targets OS [$target_os]
196 --target-exec=CMD command to run executables on target
197 --target-path=DIR path to view of build directory on target
198 --nm=NM use nm tool
199 --as=AS use assembler AS [$as_default]
200 --cc=CC use C compiler CC [$cc_default]
201 --ld=LD use linker LD
202 --host-cc=HOSTCC use host C compiler HOSTCC
203 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
204 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
205 --host-libs=HLIBS use libs HLIBS when linking for host
206 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
207 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208 --extra-libs=ELIBS add ELIBS [$ELIBS]
209 --extra-version=STRING version string suffix []
210 --build-suffix=SUFFIX library name suffix []
211 --arch=ARCH select architecture [$arch]
212 --cpu=CPU select the minimum required CPU (affects
213 instruction selection, may crash on older CPUs)
214 --enable-powerpc-perf enable performance report on PPC
215 (requires enabling PMC)
c8a4ae00 216 --disable-asm disable all assembler optimizations
06454877
MR
217 --disable-altivec disable AltiVec optimizations
218 --disable-amd3dnow disable 3DNow! optimizations
219 --disable-amd3dnowext disable 3DNow! extended optimizations
220 --disable-mmx disable MMX optimizations
221 --disable-mmx2 disable MMX2 optimizations
222 --disable-sse disable SSE optimizations
223 --disable-ssse3 disable SSSE3 optimizations
224 --disable-armv5te disable armv5te optimizations
225 --disable-armv6 disable armv6 optimizations
226 --disable-armv6t2 disable armv6t2 optimizations
227 --disable-armvfp disable ARM VFP optimizations
228 --disable-iwmmxt disable iwmmxt optimizations
229 --disable-mmi disable MMI optimizations
230 --disable-neon disable neon optimizations
231 --disable-vis disable VIS optimizations
232 --disable-yasm disable use of yasm assembler
233 --enable-pic build position-independent code
4ae40685 234 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 235 --enable-sram allow use of on-chip SRAM
06454877
MR
236
237Developer options (useful when working on FFmpeg itself):
238 --disable-debug disable debugging symbols
239 --enable-debug=LEVEL set the debug level [$debuglevel]
240 --enable-gprof enable profiling with gprof [$gprof]
241 --disable-optimizations disable compiler optimizations
242 --enable-extra-warnings enable more compiler warnings
243 --disable-stripping disable stripping of executables and shared libraries
244
245NOTE: Object files are built at the place where configure is launched.
246EOF
60e8bc13 247 exit 0
74c53c2d 248}
cf9d24ad 249
57bd82d4 250log(){
2270b4b2 251 echo "$@" >> $logfile
57bd82d4
MR
252}
253
720c69da 254log_file(){
c8e9f801 255 log BEGIN $1
2270b4b2 256 pr -n -t $1 >> $logfile
c8e9f801
MR
257 log END $1
258}
259
2ba042a7 260echolog(){
c8e9f801 261 log "$@"
57bd82d4 262 echo "$@"
2ba042a7
MR
263}
264
265die(){
266 echolog "$@"
267 cat <<EOF
d326cf7f 268
2ba042a7
MR
269If you think configure made a mistake, make sure you are using the latest
270version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 271ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 272EOF
e155a21a 273 if disabled logging; then
2ba042a7 274 cat <<EOF
e155a21a
DB
275Rerun configure with logging enabled (do not use --disable-logging), and
276include the log this produces with your report.
2ba042a7
MR
277EOF
278 else
279cat <<EOF
e155a21a
DB
280Include the log file "$logfile" produced by configure as this will help
281solving the problem.
2ba042a7
MR
282EOF
283 fi
57bd82d4
MR
284 exit 1
285}
286
6c6007d6 287# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 288toupper(){
6c6007d6 289 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
290}
291
4a5444db 292tolower(){
6c6007d6 293 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
294}
295
14a8acf1
MR
296c_escape(){
297 echo "$*" | sed 's/["\\]/\\\0/g'
298}
299
b04251c5
MR
300sh_quote(){
301 v=$(echo "$1" | sed "s/'/'\\\\''/g")
302 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
303 echo "$v"
304}
305
be8f2501
MR
306filter(){
307 pat=$1
308 shift
309 for v; do
98ef6079 310 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
311 done
312}
313
a8d04fba
MR
314set_all(){
315 value=$1
316 shift
317 for var in $*; do
318 eval $var=$value
319 done
320}
321
72a43668
MR
322set_weak(){
323 value=$1
324 shift
325 for var; do
326 eval : \${$var:=$value}
327 done
328}
329
799c9e9b
MR
330pushvar(){
331 for var in $*; do
332 eval level=\${${var}_level:=0}
333 eval ${var}_${level}="\$$var"
334 eval ${var}_level=$(($level+1))
335 done
336}
337
338popvar(){
339 for var in $*; do
340 eval level=\${${var}_level:-0}
341 test $level = 0 && continue
342 eval level=$(($level-1))
343 eval $var="\${${var}_${level}}"
344 eval ${var}_level=$level
345 eval unset ${var}_${level}
346 done
347}
348
a8d04fba
MR
349enable(){
350 set_all yes $*
351}
352
353disable(){
354 set_all no $*
355}
356
72a43668
MR
357enable_weak(){
358 set_weak yes $*
359}
360
361disable_weak(){
362 set_weak no $*
363}
364
72702705 365enable_safe(){
fd07f803
MR
366 for var; do
367 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
368 done
72702705
MR
369}
370
371disable_safe(){
fd07f803
MR
372 for var; do
373 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
374 done
72702705
MR
375}
376
f9d328da
MR
377do_enable_deep(){
378 for var; do
379 enabled $var && continue
380 eval sel="\$${var}_select"
c510c7b5
MR
381 eval sgs="\$${var}_suggest"
382 pushvar var sgs
f9d328da 383 enable_deep $sel
c510c7b5
MR
384 popvar sgs
385 enable_deep_weak $sgs
f9d328da
MR
386 popvar var
387 done
388}
389
390enable_deep(){
391 do_enable_deep $*
392 enable $*
393}
394
72a43668
MR
395enable_deep_weak(){
396 do_enable_deep $*
397 enable_weak $*
398}
399
57bd82d4 400enabled(){
3250003c
MR
401 test "${1#!}" = "$1" && op== || op=!=
402 eval test "x\$${1#!}" $op "xyes"
44161118
MR
403}
404
37970ebf 405disabled(){
3250003c
MR
406 test "${1#!}" = "$1" && op== || op=!=
407 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
408}
409
44161118
MR
410enabled_all(){
411 for opt; do
412 enabled $opt || return 1
413 done
414}
415
85bca2c5
DB
416disabled_all(){
417 for opt; do
418 disabled $opt || return 1
419 done
420}
421
44161118
MR
422enabled_any(){
423 for opt; do
424 enabled $opt && return 0
425 done
426}
427
85bca2c5
DB
428disabled_any(){
429 for opt; do
430 disabled $opt && return 0
431 done
f7b230a7 432 return 1
85bca2c5
DB
433}
434
c9d19248
MR
435set_default(){
436 for opt; do
88268e94 437 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
438 done
439}
440
4a0d6686
AJ
441is_in(){
442 value=$1
443 shift
444 for var in $*; do
445 [ $var = $value ] && return 0
446 done
447 return 1
448}
449
30fd06be
MR
450check_deps(){
451 for cfg; do
3250003c 452 cfg="${cfg#!}"
799c9e9b
MR
453 enabled ${cfg}_checking && die "Circular dependency for $cfg."
454 disabled ${cfg}_checking && continue
455 enable ${cfg}_checking
456
30fd06be
MR
457 eval dep_all="\$${cfg}_deps"
458 eval dep_any="\$${cfg}_deps_any"
7ef3425f 459 eval dep_sel="\$${cfg}_select"
c510c7b5 460 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
461 eval dep_ifa="\$${cfg}_if"
462 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 463
3d7453e0
MR
464 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
465 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
466 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 467
3d7453e0
MR
468 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
469 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
470 enabled_all $dep_all || disable $cfg
471 enabled_any $dep_any || disable $cfg
7ef3425f 472 disabled_any $dep_sel && disable $cfg
799c9e9b 473
4ec45764
RP
474 if enabled $cfg; then
475 eval dep_extralibs="\$${cfg}_extralibs"
476 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 477 enable_deep $dep_sel
c510c7b5 478 enable_deep_weak $dep_sgs
4ec45764
RP
479 fi
480
799c9e9b 481 disable ${cfg}_checking
30fd06be
MR
482 done
483}
484
44161118
MR
485print_config(){
486 pfx=$1
487 header=$2
488 makefile=$3
489 shift 3
490 for cfg; do
5e622c40 491 ucname="$(toupper $cfg)"
44161118 492 if enabled $cfg; then
3d907e22 493 echo "#define ${pfx}${ucname} 1" >> $header
3d907e22
MR
494 echo "${pfx}${ucname}=yes" >> $makefile
495 else
b250f9c6 496 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 497 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
MR
498 fi
499 done
57bd82d4
MR
500}
501
502flags_saved(){
2270b4b2 503 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
504}
505
dcd479c0 506save_flags(){
57bd82d4 507 flags_saved && return
dcd479c0
MR
508 SAVE_CFLAGS="$CFLAGS"
509 SAVE_LDFLAGS="$LDFLAGS"
510 SAVE_extralibs="$extralibs"
511}
512
513restore_flags(){
f5d28d10 514 flags_saved || return
dcd479c0
MR
515 CFLAGS="$SAVE_CFLAGS"
516 LDFLAGS="$SAVE_LDFLAGS"
517 extralibs="$SAVE_extralibs"
518 unset SAVE_CFLAGS
519 unset SAVE_LDFLAGS
520 unset SAVE_extralibs
521}
522
523temp_cflags(){
524 save_flags
525 CFLAGS="$CFLAGS $*"
526}
527
528temp_ldflags(){
529 save_flags
530 LDFLAGS="$LDFLAGS $*"
531}
532
533temp_extralibs(){
534 save_flags
535 extralibs="$extralibs $*"
536}
537
57bd82d4
MR
538append(){
539 var=$1
540 shift
541 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
542 eval "$var=\"\$$var $*\""
543}
544
50a334e4 545add_cppflags(){
caf458dd 546 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
547}
548
57bd82d4 549add_cflags(){
caf458dd 550 append CFLAGS $($filter_cflags "$@")
57bd82d4
MR
551}
552
2f2e6c7c 553add_asflags(){
caf458dd 554 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
MR
555}
556
57bd82d4
MR
557add_ldflags(){
558 append LDFLAGS "$@"
559}
560
561add_extralibs(){
562 append extralibs "$@"
563}
564
b0cfb663 565check_cmd(){
b3cb5d51 566 log "$@"
2270b4b2 567 "$@" >> $logfile 2>&1
b0cfb663
MR
568}
569
dcd479c0 570check_cc(){
57bd82d4 571 log check_cc "$@"
2270b4b2 572 cat > $TMPC
720c69da 573 log_file $TMPC
50a334e4 574 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
575}
576
577check_cpp(){
578 log check_cpp "$@"
2270b4b2 579 cat > $TMPC
720c69da 580 log_file $TMPC
9e7f3277 581 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
582}
583
f65883c8
MR
584check_as(){
585 log check_as "$@"
586 cat > $TMPC
587 log_file $TMPC
2f2e6c7c 588 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
589}
590
940f335a
MR
591check_asm(){
592 log check_asm "$@"
593 name="$1"
3784e82e 594 code="$2"
940f335a 595 shift 2
49214f61
MR
596 disable $name
597 check_as "$@" <<EOF && enable $name
3784e82e 598void foo(void){ __asm__ volatile($code); }
940f335a
MR
599EOF
600}
601
304d586d
LM
602check_yasm(){
603 log check_yasm "$@"
604 echo "$1" > $TMPS
605 log_file $TMPS
606 shift 1
607 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
608}
609
dcd479c0 610check_ld(){
57bd82d4 611 log check_ld "$@"
3155a644
MR
612 flags=''
613 libs=''
614 for f; do
615 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
616 done
2a194acd 617 check_cc $($filter_cflags $flags) || return
684b28e0 618 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
619}
620
50a334e4
MR
621check_cppflags(){
622 log check_cppflags "$@"
caf458dd
MR
623 set -- $($filter_cppflags "$@")
624 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
625int x;
626EOF
627}
628
dcd479c0 629check_cflags(){
57bd82d4 630 log check_cflags "$@"
caf458dd
MR
631 set -- $($filter_cflags "$@")
632 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
633int x;
634EOF
635}
636
2ed46eea
MR
637test_ldflags(){
638 log test_ldflags "$@"
639 check_ld "$@" <<EOF
c23a0ac8 640int main(void){ return 0; }
dcd479c0
MR
641EOF
642}
643
2ed46eea
MR
644check_ldflags(){
645 log check_ldflags "$@"
646 test_ldflags "$@" && add_ldflags "$@"
647}
648
dcd479c0 649check_header(){
57bd82d4 650 log check_header "$@"
dcd479c0
MR
651 header=$1
652 shift
b77df637
MR
653 disable_safe $header
654 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
655#include <$header>
656int x;
657EOF
658}
659
660check_func(){
57bd82d4 661 log check_func "$@"
dcd479c0
MR
662 func=$1
663 shift
d8bc5f06
MR
664 disable $func
665 check_ld "$@" <<EOF && enable $func
dcd479c0 666extern int $func();
c23a0ac8 667int main(void){ $func(); }
dcd479c0
MR
668EOF
669}
670
645d2652 671check_mathfunc(){
6b73c0ae 672 log check_mathfunc "$@"
645d2652
MR
673 func=$1
674 shift
675 disable $func
676 check_ld "$@" <<EOF && enable $func
677#include <math.h>
33bd38db
MR
678float foo(float f) { return $func(f); }
679int main(void){ return 0; }
645d2652
MR
680EOF
681}
682
2446d3d6
DB
683check_func_headers(){
684 log check_func_headers "$@"
f8d7b072
MR
685 headers=$1
686 func=$2
687 shift 2
688 disable $func
689 incs=""
690 for hdr in $headers; do
691 incs="$incs
692#include <$hdr>"
693 done
cd0d9a9d 694 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 695$incs
d6773f56 696int main(int argc, char **argv){
2b2c2a81 697 return (long) $func;
f8d7b072
MR
698}
699EOF
700}
701
a5344cf7
SS
702check_cpp_condition(){
703 log check_cpp_condition "$@"
704 header=$1
705 condition=$2
f855b7b9
MR
706 shift 2
707 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
708#include <$header>
709#if !($condition)
710#error "unsatisfied condition: $condition"
711#endif
712EOF
713}
714
57bd82d4
MR
715check_lib(){
716 log check_lib "$@"
717 header="$1"
718 func="$2"
719 shift 2
fcfcde17
MR
720 temp_extralibs "$@"
721 check_header $header && check_func $func && add_extralibs "$@"
722 err=$?
723 restore_flags
724 return $err
57bd82d4
MR
725}
726
f8d7b072
MR
727check_lib2(){
728 log check_lib2 "$@"
729 headers="$1"
730 func="$2"
731 shift 2
300cde27 732 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
733}
734
dcd479c0 735check_exec(){
2270b4b2 736 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
737}
738
7dfef245 739check_exec_crash(){
5e622c40 740 code=$(cat)
7dfef245
MR
741
742 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
743 # are safe but may not be available everywhere. Thus we use
744 # raise(SIGTERM) instead. The check is run in a subshell so we
745 # can redirect the "Terminated" message from the shell. SIGBUS
746 # is not defined by standard C so it is used conditionally.
747
2270b4b2 748 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
749#include <signal.h>
750static void sighandler(int sig){
751 raise(SIGTERM);
752}
e5af4a11 753int main(void){
7dfef245
MR
754 signal(SIGILL, sighandler);
755 signal(SIGFPE, sighandler);
756 signal(SIGSEGV, sighandler);
757#ifdef SIGBUS
758 signal(SIGBUS, sighandler);
759#endif
760 { $code }
761}
762EOF
763}
764
72be9e73
DY
765check_type(){
766 log check_type "$@"
767 headers=$1
768 type=$2
769 shift 2
ae550ce9 770 disable_safe "$type"
72be9e73
DY
771 incs=""
772 for hdr in $headers; do
773 incs="$incs
774#include <$hdr>"
775 done
ae550ce9 776 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
777$incs
778$type v;
779EOF
780}
781
14d36751
MR
782check_struct(){
783 log check_type "$@"
784 headers=$1
785 struct=$2
786 member=$3
787 shift 3
788 disable_safe "${struct}_${member}"
789 incs=""
790 for hdr in $headers; do
791 incs="$incs
792#include <$hdr>"
793 done
794 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
795$incs
796const void *p = &(($struct *)0)->$member;
797EOF
798}
799
57bd82d4
MR
800require(){
801 name="$1"
802 header="$2"
803 func="$3"
804 shift 3
805 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
806}
807
f8d7b072
MR
808require2(){
809 name="$1"
810 headers="$2"
811 func="$3"
812 shift 3
813 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
814}
815
eea50282
MR
816check_foo_config(){
817 cfg=$1
818 pkg=$2
819 header=$3
820 func=$4
821 shift 4
822 disable $cfg
823 check_cmd ${pkg}-config --version
824 err=$?
825 if test "$err" = 0; then
5e622c40
DB
826 temp_cflags $(${pkg}-config --cflags)
827 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
828 check_lib "$@" $header $func && enable $cfg
829 fi
830 return $err
831}
832
f0125de9
MR
833check_host_cc(){
834 log check_host_cc "$@"
835 cat > $TMPC
836 log_file $TMPC
837 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
838}
839
840check_host_cflags(){
841 log check_host_cflags "$@"
842 check_host_cc "$@" <<EOF && append host_cflags "$@"
843int x;
844EOF
845}
846
c505dd31
MR
847apply(){
848 file=$1
849 shift
850 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
851}
852
c34681df
MR
853cp_if_changed(){
854 cmp -s "$1" "$2" &&
855 echo "$2 is unchanged" ||
856 cp -f "$1" "$2"
857}
858
dcd61286
DB
859# CONFIG_LIST contains configurable options, while HAVE_LIST is for
860# system-dependent things.
861
4a0d6686
AJ
862COMPONENT_LIST="
863 bsfs
864 decoders
865 demuxers
866 encoders
3cde40aa 867 filters
5666fd73 868 hwaccels
c552605c 869 indevs
4a0d6686 870 muxers
c552605c 871 outdevs
4a0d6686
AJ
872 parsers
873 protocols
874"
875
876CONFIG_LIST="
877 $COMPONENT_LIST
e8ed9b7a 878 aandct
5a0f7131
MR
879 avcodec
880 avdevice
f7679c54
VS
881 avfilter
882 avfilter_lavf
5a0f7131 883 avformat
c88f5d72
MR
884 avisynth
885 beos_netserver
f402916e 886 bzlib
7f3f5f46 887 dct
c73f65d9 888 doc
92c6a099 889 dxva2
27a9466b 890 fastdiv
c88f5d72
MR
891 ffmpeg
892 ffplay
893 ffserver
1848f7d9 894 fft
4f034993 895 golomb
c88f5d72 896 gpl
ecfc4f44 897 gprof
d8d0d0b2 898 gray
3abe5fbd 899 hardcoded_tables
f7b8bffe 900 libdc1394
690bfceb 901 libdirac
2eed5a46
DB
902 libfaac
903 libfaad
904 libfaadbin
c88f5d72 905 libgsm
6ebe07fb 906 libmp3lame
c88f5d72 907 libnut
0b175caa
DB
908 libopencore_amrnb
909 libopencore_amrwb
9a77d59a 910 libopenjpeg
f7cd9eed 911 libschroedinger
ae14f311 912 libspeex
150d2772 913 libtheora
c88f5d72 914 libvorbis
1cc60c47
DB
915 libx264
916 libxvid
f4d608e3 917 lpc
47a158cb 918 mdct
c88f5d72 919 memalign_hack
a8150374 920 mlib
c88f5d72
MR
921 mpegaudio_hp
922 network
3fe142e2 923 nonfree
8a3c8627 924 pic
4a24ab64 925 postproc
2b4c3615 926 powerpc_perf
68602540 927 rdft
e90f5b5a 928 runtime_cpudetect
2e35e684 929 shared
bd2216e4 930 small
6b35d421 931 sram
2e35e684 932 static
5a0f7131 933 swscale
a9ddb5b1 934 swscale_alpha
17492d5e
DB
935 vaapi
936 vdpau
9cad0e4e 937 version3
56a059ac 938 x11grab
c88f5d72 939 zlib
4a0d6686 940"
c88f5d72 941
8eee7025
DB
942THREADS_LIST='
943 beosthreads
d22e8442 944 os2threads
8eee7025
DB
945 pthreads
946 w32threads
947'
948
3f5b56e5
MR
949ARCH_LIST='
950 alpha
a2fc0f6a 951 arm
fdcd782d
MR
952 avr32
953 avr32_ap
954 avr32_uc
3f5b56e5
MR
955 bfin
956 ia64
957 m68k
958 mips
bae3abb0 959 mips64
3f5b56e5 960 parisc
79cb09b2 961 ppc
34d11b87 962 ppc64
3f5b56e5
MR
963 s390
964 sh4
965 sparc
966 sparc64
967 x86
968 x86_32
969 x86_64
970'
971
972ARCH_EXT_LIST='
1ac9331a 973 altivec
3bf96eec 974 amd3dnow
a1ef9f08 975 amd3dnowext
1ac9331a 976 armv5te
edab3048 977 armv6
ab5cb084 978 armv6t2
f55b299a 979 armvfp
3f5b56e5
MR
980 iwmmxt
981 mmi
982 mmx
d7f0920b 983 mmx2
6b18d278 984 neon
799fde37 985 ppc4xx
1bb04d5a 986 sse
9eeed841 987 ssse3
bd9d34a0 988 vis
3f5b56e5
MR
989'
990
a3e02a8c
MR
991HAVE_LIST_PUB='
992 bigendian
993'
994
3f5b56e5
MR
995HAVE_LIST="
996 $ARCH_EXT_LIST
a3e02a8c 997 $HAVE_LIST_PUB
3f5b56e5 998 $THREADS_LIST
35fd8122 999 alsa_asoundlib_h
3f5b56e5 1000 altivec_h
c9fdab0d 1001 arpa_inet_h
dffb41b9 1002 attribute_may_alias
e7ea5e3d 1003 attribute_packed
6bd859d6 1004 bswap
ecf97f22 1005 closesocket
1ac9331a 1006 cmov
e16e49ac 1007 conio_h
c88f5d72 1008 dcbzl
f8aa696f
DB
1009 dev_bktr_ioctl_bt848_h
1010 dev_bktr_ioctl_meteor_h
1011 dev_ic_bt8xx_h
1012 dev_video_meteor_ioctl_meteor_h
1013 dev_video_bktr_ioctl_bt848_h
18b67ae5 1014 dlfcn_h
c88f5d72 1015 dlopen
bc574408 1016 dos_paths
245626d0
DB
1017 ebp_available
1018 ebx_available
6b7c7703
VS
1019 exp2
1020 exp2f
c2a29455 1021 fast_64bit
669b5583 1022 fast_clz
7073e9fc 1023 fast_cmov
7b829d2a 1024 fast_unaligned
9d99cc5a 1025 fork
84882df6 1026 getaddrinfo
da9e86f8 1027 gethrtime
4e68cb8a 1028 GetProcessTimes
66be5b45 1029 getrusage
2e1913b1 1030 inet_aton
61d251db 1031 inline_asm
abfc8d05 1032 isatty
9f5ff83f 1033 ldbrx
0b4a1821
AS
1034 libdc1394_1
1035 libdc1394_2
a33cab3a 1036 llrint
291fd18a 1037 log2
6b7c7703 1038 log2f
85dd97ad 1039 loongson
a33cab3a 1040 lrint
c88f5d72 1041 lrintf
e4673692 1042 lzo1x_999_compress
f8aa696f
DB
1043 machine_ioctl_bt848_h
1044 machine_ioctl_meteor_h
c88f5d72
MR
1045 malloc_h
1046 memalign
6ffa87d3 1047 mkstemp
b4e806b2 1048 pld
1f91cdce 1049 posix_memalign
a33cab3a
MK
1050 round
1051 roundf
c88f5d72
MR
1052 sdl
1053 sdl_video_size
b507ebd1 1054 setmode
72be9e73 1055 socklen_t
deb29777 1056 soundcard_h
f8cda19e 1057 poll_h
0104b608 1058 setrlimit
c0018613 1059 struct_addrinfo
b4d68544
MS
1060 struct_ipv6_mreq
1061 struct_sockaddr_in6
3b2372bf 1062 struct_sockaddr_sa_len
33a4dbdd 1063 struct_sockaddr_storage
b58412f1 1064 sys_mman_h
b091aa44 1065 sys_resource_h
81644c2e 1066 sys_select_h
deb29777 1067 sys_soundcard_h
1b6e8b73 1068 sys_videoio_h
d3a4b4e0 1069 ten_operands
e16e49ac 1070 termios_h
b265431e 1071 threads
7b04b8a0 1072 truncf
ce742de2 1073 vfp_args
7c5bfe7a 1074 VirtualAlloc
6ff3f3e7 1075 winsock2_h
cc078b5d 1076 xform_asm
304d586d 1077 yasm
0cb78cef 1078"
44161118 1079
b6bb00b0
MR
1080# options emitted with CONFIG_ prefix but not available on command line
1081CONFIG_EXTRA="
dc4f5a1c 1082 avutil
9cad0e4e
DB
1083 gplv3
1084 lgplv3
b6bb00b0
MR
1085"
1086
520cc7f1 1087CMDLINE_SELECT="
3f5b56e5 1088 $ARCH_EXT_LIST
520cc7f1 1089 $CONFIG_LIST
8eee7025 1090 $THREADS_LIST
c8a4ae00 1091 asm
db6107b6 1092 cross_compile
520cc7f1
MR
1093 debug
1094 extra_warnings
8c6afa4d 1095 logging
d2bbb2f7 1096 optimizations
87a0fb62 1097 stripping
7595a5e4 1098 yasm
520cc7f1 1099"
426be5dc
DB
1100
1101PATHS_LIST='
d156bede 1102 bindir
14a8acf1 1103 datadir
26759c44
MR
1104 incdir
1105 libdir
26759c44
MR
1106 mandir
1107 prefix
1108 shlibdir
426be5dc
DB
1109'
1110
1111CMDLINE_SET="
1112 $PATHS_LIST
1113 arch
313c46a6 1114 as
426be5dc
DB
1115 build_suffix
1116 cc
1117 cpu
1118 cross_prefix
50567afa 1119 dep_cc
ac63af34 1120 extra_version
9da6609f
MR
1121 host_cc
1122 host_cflags
1123 host_ldflags
1124 host_libs
82bb3329 1125 host_os
684b28e0 1126 ld
426be5dc 1127 logfile
4ae40685 1128 malloc_prefix
89641463 1129 nm
26759c44 1130 source_path
c5200f17
MR
1131 sysinclude
1132 sysroot
a7ada2ba 1133 target_exec
26759c44 1134 target_os
a7ada2ba 1135 target_path
426be5dc 1136"
520cc7f1 1137
89f2932b
MR
1138CMDLINE_APPEND="
1139 extra_cflags
1140"
1141
912f3148
DB
1142# code dependency declarations
1143
9eeed841 1144# architecture extensions
808fa33c 1145
a2fc0f6a
MR
1146armv5te_deps="arm"
1147armv6_deps="arm"
ab5cb084 1148armv6t2_deps="arm"
a2fc0f6a
MR
1149armvfp_deps="arm"
1150iwmmxt_deps="arm"
808fa33c
MR
1151neon_deps="arm"
1152
e241ba14 1153mmi_deps="mips"
808fa33c
MR
1154
1155altivec_deps="ppc"
1156ppc4xx_deps="ppc"
1157
1158vis_deps="sparc"
1159
7f8c3d1f 1160x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1161amd3dnow_deps="mmx"
1162amd3dnowext_deps="amd3dnow"
9eeed841 1163mmx_deps="x86"
75aa95a6 1164mmx2_deps="mmx"
75aa95a6
DB
1165sse_deps="mmx"
1166ssse3_deps="sse"
9eeed841 1167
e939cedd 1168fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1169fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1170fast_unaligned_if_any="armv6 ppc x86"
669b5583 1171
89e053f8 1172need_memalign="altivec neon sse"
6fec122a 1173inline_asm_deps="!tms470"
89e053f8 1174
26fbcc85
MR
1175# subsystems
1176mdct_select="fft"
1177rdft_select="fft"
1178
5666fd73 1179# decoders / encoders / hardware accelerators
26fbcc85
MR
1180aac_decoder_select="mdct aac_parser"
1181aac_encoder_select="mdct"
1182ac3_decoder_select="mdct ac3_parser"
f4d608e3 1183alac_encoder_select="lpc"
084cbbaa 1184atrac1_decoder_select="mdct"
26fbcc85
MR
1185atrac3_decoder_select="mdct"
1186binkaudio_dct_decoder_select="mdct rdft dct"
1187binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1188cavs_decoder_select="golomb"
26fbcc85 1189cook_decoder_select="mdct"
2eef7c62 1190cscd_decoder_suggest="zlib"
26fbcc85 1191dca_decoder_select="mdct"
e8ed9b7a 1192dnxhd_encoder_select="aandct"
2eef7c62 1193dxa_decoder_select="zlib"
baf91bb9 1194eac3_decoder_select="ac3_decoder"
84c04e25 1195eamad_decoder_select="aandct"
e8ed9b7a 1196eatgq_decoder_select="aandct"
d52b39c7 1197eatqi_decoder_select="aandct"
4f034993
MR
1198ffv1_decoder_select="golomb"
1199flac_decoder_select="golomb"
f4d608e3 1200flac_encoder_select="golomb lpc"
2eef7c62
AJ
1201flashsv_decoder_select="zlib"
1202flashsv_encoder_select="zlib"
4414137e 1203flv_decoder_select="h263_decoder"
4d4b4bd1 1204flv_encoder_select="h263_encoder"
e8ed9b7a 1205h261_encoder_select="aandct"
7f647ae0 1206h263_decoder_select="h263_parser"
e8ed9b7a 1207h263_encoder_select="aandct"
ff418735 1208h263_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1209h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1210h263i_decoder_select="h263_decoder"
fe629c2d 1211h263p_encoder_select="h263_encoder"
4f034993 1212h264_decoder_select="golomb"
92c6a099
LA
1213h264_dxva2_hwaccel_deps="dxva2api_h"
1214h264_dxva2_hwaccel_select="dxva2 h264_decoder"
ff418735 1215h264_vaapi_hwaccel_deps="va_va_h"
17492d5e 1216h264_vaapi_hwaccel_select="vaapi"
711dae77 1217h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1218h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1219imc_decoder_select="fft mdct"
4f034993
MR
1220jpegls_decoder_select="golomb"
1221jpegls_encoder_select="golomb"
e8ed9b7a 1222ljpeg_encoder_select="aandct"
4f034993 1223loco_decoder_select="golomb"
e8ed9b7a 1224mjpeg_encoder_select="aandct"
2cca233b 1225mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1226mpeg1video_encoder_select="aandct"
1227mpeg2video_encoder_select="aandct"
4414137e 1228mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1229mpeg4_encoder_select="h263_encoder"
711dae77 1230mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1231mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
711dae77 1232mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1233mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
ff418735 1234mpeg2_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1235mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
ff418735 1236mpeg4_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1237mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871
NC
1238mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1239mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1240mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1241mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1242msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1243msmpeg4v1_encoder_select="h263_encoder"
4414137e 1244msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1245msmpeg4v2_encoder_select="h263_encoder"
4414137e 1246msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1247msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1248nellymoser_decoder_select="mdct"
1249nellymoser_encoder_select="mdct"
2eef7c62
AJ
1250png_decoder_select="zlib"
1251png_encoder_select="zlib"
26fbcc85 1252qdm2_decoder_select="mdct rdft"
a8beb22f 1253rv10_decoder_select="h263_decoder"
b2bf38b4 1254rv10_encoder_select="h263_encoder"
a8beb22f 1255rv20_decoder_select="h263_decoder"
b2bf38b4 1256rv20_encoder_select="h263_encoder"
d52b39c7
AJ
1257rv30_decoder_select="golomb"
1258rv40_decoder_select="golomb"
4f034993
MR
1259shorten_decoder_select="golomb"
1260sonic_decoder_select="golomb"
1261sonic_encoder_select="golomb"
1262sonic_ls_encoder_select="golomb"
1263svq3_decoder_select="golomb"
bee2eac5 1264svq3_decoder_suggest="zlib"
4eef77c1 1265theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1266tiff_decoder_suggest="zlib"
1267tiff_encoder_suggest="zlib"
aec09a00 1268truehd_decoder_select="mlp_decoder"
2eef7c62 1269tscc_decoder_select="zlib"
084cbbaa 1270twinvq_decoder_select="mdct"
f95bfab0 1271vc1_decoder_select="h263_decoder"
9104cd51 1272vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1273vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
ff418735 1274vc1_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1275vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
711dae77 1276vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1277vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1278vorbis_decoder_select="mdct"
1279vorbis_encoder_select="mdct"
e82dc4c9
DB
1280vp6a_decoder_select="vp6_decoder"
1281vp6f_decoder_select="vp6_decoder"
084cbbaa 1282wmapro_decoder_select="mdct"
26fbcc85
MR
1283wmav1_decoder_select="mdct"
1284wmav1_encoder_select="mdct"
1285wmav2_decoder_select="mdct"
1286wmav2_encoder_select="mdct"
f95bfab0 1287wmv1_decoder_select="h263_decoder"
665507aa 1288wmv1_encoder_select="h263_encoder"
f95bfab0 1289wmv2_decoder_select="h263_decoder"
1746e2a9 1290wmv2_encoder_select="h263_encoder"
015f8ee0 1291wmv3_decoder_select="vc1_decoder"
f0f86627 1292wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1293wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1294wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1295zlib_decoder_select="zlib"
1296zlib_encoder_select="zlib"
1297zmbv_decoder_select="zlib"
1298zmbv_encoder_select="zlib"
30fd06be 1299
28b80940
DB
1300# parsers
1301h264_parser_select="golomb"
1302
f1e94694
DB
1303# bitstream_filters
1304aac_adtstoasc_bsf_select="aac_parser"
1305
912f3148 1306# external libraries
1b71f045 1307libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1308libdirac_encoder_deps="libdirac"
c9171a83 1309libfaac_encoder_deps="libfaac"
69ddbd1d 1310libfaad_decoder_deps="libfaad"
4ec45764 1311libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1312libgsm_decoder_deps="libgsm"
1313libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1314libgsm_ms_decoder_deps="libgsm"
1315libgsm_ms_encoder_deps="libgsm"
1cc60c47 1316libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1317libopencore_amrnb_decoder_deps="libopencore_amrnb"
1318libopencore_amrnb_encoder_deps="libopencore_amrnb"
1319libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1320libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1321libschroedinger_decoder_deps="libschroedinger"
1322libschroedinger_encoder_deps="libschroedinger"
ae14f311 1323libspeex_decoder_deps="libspeex"
150d2772 1324libtheora_encoder_deps="libtheora"
b0caf888 1325libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1326libx264_encoder_deps="libx264"
1327libxvid_encoder_deps="libxvid"
30fd06be 1328
912f3148 1329# demuxers / muxers
03a76ba9 1330ac3_demuxer_deps="ac3_parser"
647c2356 1331asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1332avisynth_demuxer_deps="avisynth"
1333dirac_demuxer_deps="dirac_parser"
5b423887 1334eac3_demuxer_select="ac3_parser"
647c2356 1335ipod_muxer_select="mov_muxer"
4e622dea
SS
1336libnut_demuxer_deps="libnut"
1337libnut_muxer_deps="libnut"
647c2356 1338matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1339matroska_demuxer_suggest="zlib bzlib"
1340mov_demuxer_suggest="zlib"
1341mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1342mp4_muxer_select="mov_muxer"
1343mpegtsraw_demuxer_select="mpegts_demuxer"
1344mxf_d10_muxer_select="mxf_muxer"
24ca518b 1345ogg_demuxer_select="golomb"
647c2356 1346psp_muxer_select="mov_muxer"
4e622dea
SS
1347rtsp_demuxer_deps="sdp_demuxer"
1348sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
f1e94694 1349spdif_muxer_select="aac_parser"
647c2356
DB
1350tg2_muxer_select="mov_muxer"
1351tgp_muxer_select="mov_muxer"
6bdaa5f4 1352w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1353
1354# indevs / outdevs
38e54a75
SS
1355alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1356alsa_indev_extralibs="-lasound"
1357alsa_outdev_deps="alsa_asoundlib_h"
1358alsa_outdev_extralibs="-lasound"
1359audio_beos_indev_deps="audio_beos"
1360audio_beos_indev_extralibs="-lmedia -lbe"
1361audio_beos_outdev_deps="audio_beos"
1362audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1363bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1364dv1394_indev_deps="dv1394 dv_demuxer"
1365jack_indev_deps="jack_jack_h"
1366jack_indev_extralibs="-ljack"
1367libdc1394_indev_deps="libdc1394"
38e54a75
SS
1368oss_indev_deps_any="soundcard_h sys_soundcard_h"
1369oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1370v4l_indev_deps="linux_videodev_h"
1371v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1372vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1373vfwcap_indev_extralibs="-lavicap32"
38e54a75 1374x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1375x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1376
912f3148 1377# protocols
3fff6382 1378gopher_protocol_deps="network"
c08fb000 1379http_protocol_deps="network"
cbf29889 1380rtmp_protocol_deps="tcp_protocol"
c08fb000
AB
1381rtp_protocol_deps="udp_protocol"
1382tcp_protocol_deps="network"
1383udp_protocol_deps="network"
1384
f7679c54 1385# filters
81124ba0 1386movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1387avfilter_lavf_deps="avformat"
1388
1389# libraries
1390avdevice_deps="avcodec avformat"
1391avformat_deps="avcodec"
f7679c54 1392
912f3148 1393# programs
5a0f7131
MR
1394ffmpeg_deps="avcodec avformat swscale"
1395ffplay_deps="avcodec avformat swscale sdl"
43689902 1396ffplay_select="rdft"
5a0f7131 1397ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1398ffserver_extralibs='$ldl'
a2830dca 1399
c73f65d9 1400doc_deps="texi2html"
912f3148 1401
de6d9b64 1402# default parameters
8a608357 1403
2ba042a7 1404logfile="config.err"
8a608357
MR
1405
1406# installation paths
c9d19248
MR
1407prefix_default="/usr/local"
1408bindir_default='${prefix}/bin'
14a8acf1 1409datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1410incdir_default='${prefix}/include'
1411libdir_default='${prefix}/lib'
1412mandir_default='${prefix}/share/man'
1413shlibdir_default="$libdir_default"
8a608357
MR
1414
1415# toolchain
11e6d03a 1416ar="ar"
13c7df3d 1417cc_default="gcc"
a3d7c197 1418cc_version=\"unknown\"
9da6609f 1419host_cc_default="gcc"
11e6d03a 1420ln_s="ln -sf"
89641463 1421nm_default="nm"
11e6d03a 1422objformat="elf"
be7109c1 1423ranlib="ranlib"
0f3cb305 1424strip="strip"
11e6d03a 1425yasmexe="yasm"
8a608357 1426
8182dc34
MR
1427nm_opts='-g'
1428
8a608357 1429# machine
8d4c00ed 1430arch_default=$(uname -m)
38d0a8aa 1431cpu="generic"
8a608357 1432
8a608357 1433# OS
8d4c00ed
MR
1434target_os_default=$(tolower $(uname -s))
1435host_os=$target_os_default
8a608357 1436
8a608357 1437# configurable options
5a0f7131
MR
1438enable avcodec
1439enable avdevice
1440enable avformat
dc4f5a1c 1441enable avutil
c8a4ae00 1442enable asm
497237c7 1443enable debug
c73f65d9 1444enable doc
aa033b1e 1445enable fastdiv
497237c7
RP
1446enable ffmpeg
1447enable ffplay
1448enable ffserver
497237c7
RP
1449enable mpegaudio_hp
1450enable network
8400d6b8 1451enable optimizations
497237c7 1452enable protocols
530dc538 1453enable static
87a0fb62 1454enable stripping
5a0f7131 1455enable swscale
a9ddb5b1 1456enable swscale_alpha
8a608357 1457
8a608357 1458# build settings
9987769a 1459SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1460FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1461LIBPREF="lib"
1462LIBSUF=".a"
c5f14466
RP
1463FULLNAME='$(NAME)$(BUILDSUF)'
1464LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1465SLIBPREF="lib"
1466SLIBSUF=".so"
c5f14466 1467SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1468SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1469SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1470LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1471
7e6c86e6
MR
1472CC_O='-o $@'
1473
f0125de9 1474host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1475host_libs='-lm'
1476
9b861379 1477target_path='$(CURDIR)'
a7ada2ba 1478
0d7dca36
DB
1479# gcc stupidly only outputs the basename of targets with -MM, but we need the
1480# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1481DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1482DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1483
c597172e 1484# find source path
5e622c40 1485source_path="$(dirname "$0")"
497237c7 1486enable source_path_used
24524f36 1487if test -f configure; then
5e622c40 1488 source_path="$(pwd)"
497237c7 1489 disable source_path_used
c597172e 1490else
5e622c40 1491 source_path="$(cd "$source_path"; pwd)"
c597172e 1492 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1493 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1494 test -e "$source_path/config.h" &&
1495 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1496fi
1497
13cbe2c0 1498for v in "$@"; do
b04251c5
MR
1499 r=${v#*=}
1500 l=${v%"$r"}
1501 r=$(sh_quote "$r")
13cbe2c0
MR
1502 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1503done
c597172e 1504
73ef8980
MR
1505find_things(){
1506 thing=$1
1507 pattern=$2
1508 file=$source_path/$3
932ccf39 1509 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1510}
1511
1512ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1513DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1514HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1515PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1516BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1517MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1518DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1519OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1520INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1521PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1522FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1523
7483e694
DB
1524enable $ARCH_EXT_LIST \
1525 $DECODER_LIST \
1526 $ENCODER_LIST \
5666fd73 1527 $HWACCEL_LIST \
7483e694
DB
1528 $PARSER_LIST \
1529 $BSF_LIST \
1530 $DEMUXER_LIST \
1531 $MUXER_LIST \
f7679c54 1532 $FILTER_LIST \
7483e694
DB
1533 $PROTOCOL_LIST \
1534 $INDEV_LIST \
1535 $OUTDEV_LIST \
c597172e
MR
1536
1537die_unknown(){
1538 echo "Unknown option \"$1\"."
1539 echo "See $0 --help for available options."
1540 exit 1
1541}
1542
794f8e97 1543show_list() {
bf0c4afa
RP
1544 suffix=_$1
1545 shift
2b444ea7 1546 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1547 exit 0
1548}
1549
c597172e 1550for opt do
7483e694
DB
1551 optval="${opt#*=}"
1552 case "$opt" in
0f010b2f 1553 --extra-ldflags=*) add_ldflags $optval
7483e694 1554 ;;
0f010b2f 1555 --extra-libs=*) add_extralibs $optval
7483e694 1556 ;;
8fb1cb58 1557 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1558 ;;
40bcf4c7
BL
1559 --enable-debug=*) debuglevel="$optval"
1560 ;;
7483e694 1561 --enable-*=*|--disable-*=*)
8b93ddc3 1562 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1563 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1564 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1565 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1566 $action $(filter "$name" $list)
7483e694
DB
1567 ;;
1568 --enable-?*|--disable-?*)
5e622c40 1569 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1570 if is_in $option $COMPONENT_LIST; then
fed5d54b 1571 test $action = disable && action=unset
e3773a55
MR
1572 eval $action \$$(toupper ${option%s})_LIST
1573 elif is_in $option $CMDLINE_SELECT; then
1574 $action $option
1575 else
1576 die_unknown $opt
1577 fi
7483e694
DB
1578 ;;
1579 --list-*)
1580 NAME="${opt#--list-}"
1581 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1582 NAME=${NAME%s}
1583 eval show_list $NAME \$$(toupper $NAME)_LIST
1584 ;;
1585 --help|-h) show_help
1586 ;;
1587 *)
884a36a7 1588 optname="${opt%%=*}"
26759c44
MR
1589 optname="${optname#--}"
1590 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1591 if is_in $optname $CMDLINE_SET; then
1592 eval $optname='$optval'
1593 elif is_in $optname $CMDLINE_APPEND; then
1594 append $optname "$optval"
1595 else
1596 die_unknown $opt
1597 fi
7483e694
DB
1598 ;;
1599 esac
c597172e
MR
1600done
1601
bcea99bb
MR
1602disabled logging && logfile=/dev/null
1603
13cbe2c0 1604echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1605set >> $logfile
1606
9da6609f
MR
1607test -n "$cross_prefix" && enable cross_compile
1608
8d4c00ed
MR
1609if enabled cross_compile; then
1610 test -n "$arch" && test -n "$target_os" ||
1611 die "Must specify target arch and OS when cross-compiling"
1612fi
1613
1614set_default arch target_os
1615
adb2b908 1616ar="${cross_prefix}${ar}"
11e6d03a 1617cc_default="${cross_prefix}${cc_default}"
20e0ed95 1618nm_default="${cross_prefix}${nm_default}"
adb2b908
RP
1619ranlib="${cross_prefix}${ranlib}"
1620strip="${cross_prefix}${strip}"
1621
c5200f17
MR
1622sysinclude_default="${sysroot}/usr/include"
1623
75800dce 1624set_default cc nm sysinclude
9da6609f
MR
1625enabled cross_compile || host_cc_default=$cc
1626set_default host_cc
13c7df3d 1627
82bb3329
MR
1628exesuf() {
1629 case $1 in
1630 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1631 esac
1632}
1633
1634EXESUF=$(exesuf $target_os)
1635HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1636
e4e69e0b 1637# set temporary file name
a49d42c2 1638: ${TMPDIR:=$TEMPDIR}
c51fafa1 1639: ${TMPDIR:=$TMP}
a49d42c2 1640: ${TMPDIR:=/tmp}
e4e69e0b 1641
54460a83
MR
1642if ! check_cmd type mktemp; then
1643 # simple replacement for missing mktemp
1644 # NOT SAFE FOR GENERAL USE
1645 mktemp(){
1646 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1647 }
1648fi
1649
1650tmpfile(){
1651 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1652 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1653 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1654 append TMPFILES $tmp
1655 eval $1=$tmp
1656}
1657
1658trap 'rm -f -- $TMPFILES' EXIT
1659trap exit HUP INT TERM
1660
1661tmpfile TMPC .c
1662tmpfile TMPE $EXESUF
1663tmpfile TMPH .h
1664tmpfile TMPO .o
1665tmpfile TMPS .S
a482e61b 1666tmpfile TMPV .ver
54460a83
MR
1667tmpfile TMPSH .sh
1668
1669unset -f mktemp
e4e69e0b 1670
993f2d0f
MR
1671# make sure we can execute files in $TMPDIR
1672cat > $TMPSH 2>> $logfile <<EOF
1673#! /bin/sh
1674EOF
1675chmod +x $TMPSH >> $logfile 2>&1
1676if ! $TMPSH >> $logfile 2>&1; then
1677 cat <<EOF
1678Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1679variable to another directory and make sure that it is not mounted noexec.
1680EOF
1681 die "Sanity test failed."
1682fi
993f2d0f 1683
19b4c628
MR
1684filter_cflags=echo
1685filter_cppflags=echo
1686filter_asflags=echo
1687
8f0c157a 1688if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1689 cc_type=gcc
a3d7c197 1690 cc_version=__VERSION__
aef6bd1b
MR
1691 if ! $cc -dumpversion | grep -q '^2\.'; then
1692 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1693 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1694 fi
14ca9cd0
MR
1695 speed_cflags='-O3'
1696 size_cflags='-Os'
629687f6
MR
1697elif $cc --version 2>/dev/null | grep -q Intel; then
1698 cc_type=icc
6e3fa35d 1699 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1700 CC_DEPFLAGS='-MMD'
1701 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1702 speed_cflags='-O3'
1703 size_cflags='-Os'
629687f6
MR
1704elif $cc -v 2>&1 | grep -q xlc; then
1705 cc_type=xlc
6e3fa35d 1706 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1707 speed_cflags='-O5'
1708 size_cflags='-O5 -qcompact'
df442a8d
MR
1709elif $cc -V 2>/dev/null | grep -q Compaq; then
1710 cc_type=ccc
6e3fa35d 1711 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1712 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1713 debuglevel=3
df442a8d 1714 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1715 speed_cflags='-fast'
1716 size_cflags='-O1'
6a0d5493 1717elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1718 test -d "$sysroot" || die "No valid sysroot specified."
1719 cc_type=armcc
6e3fa35d 1720 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1721 armcc_conf="$PWD/armcc.conf"
1722 $cc --arm_linux_configure \
1723 --arm_linux_config_file="$armcc_conf" \
1724 --configure_sysroot="$sysroot" \
1725 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1726 die "Error creating armcc configuration file."
1727 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1728 as_default="${cross_prefix}gcc"
07dec06e
MR
1729 CC_DEPFLAGS='-MMD'
1730 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1731 speed_cflags='-O3'
1732 size_cflags='-Os'
6fec122a
MR
1733elif $cc -version 2>/dev/null | grep -q TMS470; then
1734 cc_type=tms470
6e3fa35d 1735 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1736 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1737 CC_O='-fr=$(@D)'
1738 as_default="${cross_prefix}gcc"
1739 ld_default="${cross_prefix}gcc"
6fec122a
MR
1740 TMPO=$(basename $TMPC .c).o
1741 append TMPFILES $TMPO
1742 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1743 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1744 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1745 speed_cflags='-O3 -mf=5'
1746 size_cflags='-O3 -mf=2'
6fec122a
MR
1747 filter_cflags=tms470_flags
1748 tms470_flags(){
1749 for flag; do
1750 case $flag in
1751 -march=*|-mcpu=*)
1752 case "${flag#*=}" in
1753 armv7-a|cortex-a*) echo -mv=7a8 ;;
1754 armv7-r|cortex-r*) echo -mv=7r4 ;;
1755 armv7-m|cortex-m*) echo -mv=7m3 ;;
1756 armv6*|arm11*) echo -mv=6 ;;
1757 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1758 echo -mv=5e ;;
1759 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1760 esac
1761 ;;
1762 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1763 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1764 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1765 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1766 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1767 -g) echo -g -mn ;;
587d24ff 1768 -pds=*) echo $flag ;;
6fec122a
MR
1769 esac
1770 done
1771 }
06da6943
DC
1772elif $cc -v 2>&1 | grep -q clang; then
1773 cc_type=clang
1774 cc_version=__VERSION__
1775 CC_DEPFLAGS='-MMD'
1776 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1777 speed_cflags='-O3'
1778 size_cflags='-Os'
2a472e9c
MK
1779elif $cc -V 2>&1 | grep -q Sun; then
1780 cc_type=suncc
1781 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1782 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1783 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1784 speed_cflags='-O5'
1785 size_cflags='-O5 -xspace'
03279bbe
MK
1786 filter_cflags=suncc_flags
1787 suncc_flags(){
1788 for flag; do
1789 case $flag in
1790 -march=*|-mcpu=*)
1791 case "${flag#*=}" in
1792 native) echo -xtarget=native ;;
1793 v9) echo -xarch=sparc ;;
1794 ultrasparc) echo -xarch=sparcvis ;;
1795 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1796 i586|pentium) echo -xchip=pentium ;;
1797 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1798 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1799 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1800 pentium4*) echo -xtarget=pentium4 ;;
1801 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1802 *-sse3) echo -xarch=sse3 ;;
1803 core2) echo -xarch=ssse3 -xchip=core2 ;;
1804 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1805 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1806 k8|opteron|athlon64|athlon-fx)
1807 echo -xarch=sse2a ;;
1808 athlon*) echo -xarch=pentium_proa ;;
1809 esac
1810 ;;
1811 -std=c99) echo -xc99 ;;
1812 -fomit-frame-pointer) echo -xregs=frameptr ;;
1813 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1814 -W*,*) echo $flag ;;
1815 -f*-*|-W*) ;;
1816 *) echo $flag ;;
1817 esac
1818 done
1819 }
629687f6
MR
1820fi
1821
1822test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1823
75bafbac 1824: ${as_default:=$cc}
50567afa 1825: ${dep_cc_default:=$cc}
684b28e0 1826: ${ld_default:=$cc}
50567afa 1827set_default as dep_cc ld
75800dce 1828
07dec06e
MR
1829test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1830test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1831
7f32f40c 1832add_cflags $extra_cflags
2f2e6c7c 1833add_asflags $extra_cflags
7f32f40c 1834
154d432c
MR
1835if test -n "$sysroot"; then
1836 case "$cc_type" in
1837 gcc)
467256f2 1838 add_cppflags --sysroot="$sysroot"
154d432c
MR
1839 add_ldflags --sysroot="$sysroot"
1840 ;;
6fec122a
MR
1841 tms470)
1842 add_cppflags -I"$sysinclude"
1843 add_ldflags --sysroot="$sysroot"
1844 ;;
06da6943
DC
1845 clang)
1846 add_cppflags -isysroot="$sysroot"
1847 add_ldflags -isysroot="$sysroot"
1848 ;;
154d432c
MR
1849 esac
1850fi
1851
d22c13a8
MR
1852if test "$cpu" = host; then
1853 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1854
1855 case "$cc_type" in
1856 gcc)
1857 check_native(){
1858 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1859 sed -n "/$1=/{
1860 s/.*$1=\\([^ ]*\\).*/\\1/
1861 p
1862 q
1863 }" $TMPE
d22c13a8
MR
1864 }
1865 cpu=$(check_native -march || check_native -mcpu)
1866 ;;
1867 esac
1868
1869 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1870fi
1871
e939cedd
MR
1872# Deal with common $arch aliases
1873case "$arch" in
1874 arm*)
1875 arch="arm"
1876 ;;
1877 mips|mipsel|IP*)
1878 arch="mips"
1879 ;;
1880 mips64)
1881 arch="mips"
1882 subarch="mips64"
1883 ;;
1884 parisc|hppa)
1885 arch="parisc"
1886 ;;
1887 parisc64|hppa64)
1888 arch="parisc"
1889 subarch="parisc64"
1890 ;;
1891 "Power Macintosh"|ppc|powerpc)
1892 arch="ppc"
1893 ;;
1894 ppc64)
1895 arch="ppc"
1896 subarch="ppc64"
1897 ;;
1898 s390|s390x)
1899 arch="s390"
1900 ;;
1901 sh4|sh)
1902 arch="sh4"
1903 ;;
1904 sun4u|sparc64)
1905 arch="sparc"
1906 subarch="sparc64"
1907 ;;
1908 i[3-6]86|i86pc|BePC|x86_64|amd64)
1909 arch="x86"
1910 ;;
1911esac
1912
1913is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1914enable $arch
e939cedd 1915
df5cdc24 1916# Add processor-specific flags
5d54c126
MR
1917if test "$cpu" = generic; then
1918 : do nothing
1919elif enabled ppc; then
343aef9b 1920
56348891
MR
1921 case $(tolower $cpu) in
1922 601|ppc601|powerpc601)
9dbd5c3d 1923 cpuflags="-mcpu=601"
64ad53ff 1924 disable altivec
9dbd5c3d 1925 ;;
56348891 1926 603*|ppc603*|powerpc603*)
9dbd5c3d 1927 cpuflags="-mcpu=603"
64ad53ff 1928 disable altivec
9dbd5c3d 1929 ;;
56348891 1930 604*|ppc604*|powerpc604*)
9dbd5c3d 1931 cpuflags="-mcpu=604"
64ad53ff 1932 disable altivec
9dbd5c3d 1933 ;;
56348891 1934 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1935 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1936 disable altivec
9dbd5c3d 1937 ;;
56348891 1938 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1939 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1940 ;;
56348891 1941 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1942 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1943 ;;
56348891 1944 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1945 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1946 ;;
56348891 1947 cell)
9dbd5c3d
MR
1948 cpuflags="-mcpu=cell"
1949 enable ldbrx
1950 ;;
7b0b81a1
AL
1951 e500v2)
1952 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1953 disable altivec
1954 ;;
1955 e500)
1956 cpuflags="-mcpu=8540 -mhard-float"
1957 disable altivec
1958 ;;
9dbd5c3d 1959 esac
343aef9b
MR
1960
1961elif enabled x86; then
1962
9dbd5c3d
MR
1963 case $cpu in
1964 i[345]86|pentium)
1965 cpuflags="-march=$cpu"
1966 disable mmx
1967 ;;
1968 # targets that do NOT support conditional mov (cmov)
1969 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1970 cpuflags="-march=$cpu"
1971 disable cmov
1972 ;;
1973 # targets that do support conditional mov (cmov)
1974 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1975 cpuflags="-march=$cpu"
1976 enable cmov
1977 enable fast_cmov
1978 ;;
1979 # targets that do support conditional mov but on which it's slow
1980 pentium4|pentium4m|prescott|nocona)
1981 cpuflags="-march=$cpu"
1982 enable cmov
1983 disable fast_cmov
1984 ;;
1985 esac
343aef9b
MR
1986
1987elif enabled sparc; then
1988
9dbd5c3d
MR
1989 case $cpu in
1990 sparc64)
1991 cpuflags="-mcpu=v9"
1992 ;;
1993 esac
343aef9b
MR
1994
1995elif enabled arm; then
1996
34ba23c9
MR
1997 case $cpu in
1998 armv*)
1999 cpuflags="-march=$cpu"
2000 ;;
2001 *)
2002 cpuflags="-mcpu=$cpu"
2003 ;;
2004 esac
343aef9b
MR
2005
2006elif enabled alpha; then
2007
34ba23c9 2008 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2009
2010elif enabled bfin; then
2011
34ba23c9 2012 cpuflags="-mcpu=$cpu"
343aef9b
MR
2013
2014elif enabled mips; then
2015
34ba23c9 2016 cpuflags="-march=$cpu"
343aef9b
MR
2017
2018elif enabled avr32; then
2019
9dbd5c3d
MR
2020 case $cpu in
2021 ap7[02]0[0-2])
2022 subarch="avr32_ap"
2023 cpuflags="-mpart=$cpu"
2024 ;;
2025 ap)
2026 subarch="avr32_ap"
2027 cpuflags="-march=$cpu"
2028 ;;
2029 uc3[ab]*)
2030 subarch="avr32_uc"
2031 cpuflags="-mcpu=$cpu"
2032 ;;
2033 uc)
2034 subarch="avr32_uc"
2035 cpuflags="-march=$cpu"
2036 ;;
2037 esac
df5cdc24 2038
343aef9b
MR
2039fi
2040
df5cdc24
MR
2041add_cflags $cpuflags
2042add_asflags $cpuflags
2043
993f2d0f
MR
2044# compiler sanity check
2045check_exec <<EOF
2046int main(void){ return 0; }
2047EOF
2048if test "$?" != 0; then
2049 echo "$cc is unable to create an executable file."
2050 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2051 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2052 echo "Only do this if you know what cross compiling means."
2053 fi
2054 die "C compiler test failed."
2055fi
2056
38a9c529 2057add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2058check_cflags -std=c99
50a334e4 2059check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2060#include <stdlib.h>
2061EOF
50a334e4 2062check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2063#include <stdlib.h>
2064EOF
e9b9a2f8 2065
f0125de9
MR
2066check_host_cflags -std=c99
2067
b24dbcbd 2068case "$arch" in
e939cedd 2069 alpha|ia64|mips|parisc|sparc)
8a3c8627 2070 spic=$shared
b24dbcbd 2071 ;;
e939cedd 2072 x86)
cfdb6148 2073 subarch="x86_32"
e939cedd 2074 check_cc <<EOF && subarch="x86_64"
58b3536d 2075 int test[(int)sizeof(char*) - 7];
cfdb6148 2076EOF
de27f4d9 2077 if test "$subarch" = "x86_64"; then
e939cedd 2078 spic=$shared
de27f4d9 2079 fi
b24dbcbd 2080 ;;
b24dbcbd
RP
2081esac
2082
343aef9b 2083enable $subarch
8a3c8627 2084enabled spic && enable pic
5755bc88 2085check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
b24dbcbd 2086
7483e694 2087# OS specific
4f854758 2088case $target_os in
7483e694 2089 beos|haiku|zeta)
c9d19248 2090 prefix_default="$HOME/config"
7483e694 2091 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 2092 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
2093 case "$gcc_version" in
2094 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2095 disable mmx
2096 ;;
2097 *20010315*) echo "BeBits gcc"
0f010b2f 2098 add_cflags -fno-expensive-optimizations
7483e694
DB
2099 ;;
2100 esac
7483e694
DB
2101 SHFLAGS=-nostart
2102 # enable BeOS things
2103 enable audio_beos
2104 # no need for libm, but the inet stuff
2105 # Check for BONE
2106 # XXX: actually should check for NOT net_server
78fe7631 2107 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
2108 network_extralibs="-lbind -lsocket"
2109 else
2110 enable beos_netserver
2111 network_extralibs="-lnet"
2112 fi ;;
2113 sunos)
2114 FFSERVERLDFLAGS=""
9987769a 2115 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2116 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2117 network_extralibs="-lsocket -lnsl"
50a334e4 2118 add_cppflags -D__EXTENSIONS__
8182dc34 2119 nm_opts='-P -g'
7483e694
DB
2120 ;;
2121 netbsd)
07a8eef6
MR
2122 oss_indev_extralibs="-lossaudio"
2123 oss_outdev_extralibs="-lossaudio"
7483e694
DB
2124 ;;
2125 openbsd)
89e053f8 2126 enable malloc_aligned
7c4a001a
MR
2127 # On OpenBSD 4.5. the compiler does not use PIC unless
2128 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2129 # however the generated executable will not do anything
2130 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2131 # Thus explicitly enable PIC here.
cd78208b 2132 enable pic
7483e694 2133 SHFLAGS='-shared'
07a8eef6
MR
2134 oss_indev_extralibs="-lossaudio"
2135 oss_outdev_extralibs="-lossaudio"
7483e694 2136 ;;
90b4f091 2137 freebsd|dragonfly)
89e053f8 2138 enable malloc_aligned
7483e694
DB
2139 ;;
2140 bsd/os)
2141 osextralibs="-lpoll -lgnugetopt"
2142 strip="strip -d"
2143 ;;
2144 darwin)
89e053f8 2145 enable malloc_aligned
0138c54e 2146 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2147 strip="strip -x"
2148 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2149 SLIBSUF=".dylib"
2150 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2151 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2152 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2153 objformat="macho"
1b0f6fb8 2154 enabled x86_64 && objformat="macho64"
8dfa86f7 2155 enabled_any pic shared ||
2704bd1a 2156 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2157 ;;
2158 mingw32*)
9d3f4f50 2159 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2160 disable network
2161 else
2162 target_os=mingw32
2163 fi
dcc01c06 2164 LIBTARGET=i386
1fc9fb8a 2165 if enabled x86_64; then
89e053f8 2166 enable malloc_aligned
dcc01c06 2167 LIBTARGET=x64
336cc1b0
MS
2168 elif enabled arm; then
2169 LIBTARGET=arm
dcc01c06 2170 fi
fbd971a4 2171 shlibdir_default="$bindir_default"
7483e694
DB
2172 disable ffserver
2173 SLIBPREF=""
2174 SLIBSUF=".dll"
7483e694
DB
2175 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2176 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2177 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2178 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2179 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2180 install -d "$(LIBDIR)"; \
2181 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2182 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2183 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2184 objformat="win32"
bc574408 2185 enable dos_paths
1894e741 2186 check_cflags -fno-common
b1549d61 2187 if ! enabled x86_64; then
f7ad5aa2
RP
2188 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2189 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2190 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2191 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2192 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2193 fi
7483e694
DB
2194 ;;
2195 cygwin*)
4f854758 2196 target_os=cygwin
fbd971a4 2197 shlibdir_default="$bindir_default"
7483e694
DB
2198 SLIBPREF="cyg"
2199 SLIBSUF=".dll"
2200 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2201 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2202 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2203 objformat="win32"
bc574408 2204 enable dos_paths
1894e741 2205 check_cflags -fno-common
7483e694 2206 ;;
4f365f37 2207 *-dos|freedos|opendos)
fdf11906 2208 disable ffplay ffserver
4f365f37
MK
2209 disable $INDEV_LIST $OUTDEV_LIST
2210 network_extralibs="-lsocket"
ff1c015d 2211 objformat="coff"
bc574408 2212 enable dos_paths
4f365f37 2213 ;;
7483e694 2214 linux)
7483e694
DB
2215 enable dv1394
2216 ;;
2217 irix*)
4f854758 2218 target_os=irix
7483e694
DB
2219 ranlib="echo ignoring ranlib"
2220 ;;
d22e8442 2221 os/2*)
d22e8442
DY
2222 strip="lxlite"
2223 ln_s="cp -f"
d22e8442 2224 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2225 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2226 FFSERVERLDFLAGS=""
287d3b13 2227 LIBSUF="_s.a"
d22e8442
DY
2228 SLIBPREF=""
2229 SLIBSUF=".dll"
2230 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2231 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2232 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2233 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2234 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2235 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2236 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2237 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2238 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2239 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2240 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2241 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2242 enable dos_paths
d22e8442 2243 ;;
83993c1c
AM
2244 gnu/kfreebsd)
2245 ;;
34e82167 2246 gnu)
34e82167 2247 ;;
614d8911
MR
2248 none)
2249 ;;
7483e694 2250 *)
4f924f9a 2251 die "Unknown OS '$target_os'."
7483e694
DB
2252 ;;
2253esac
2254
c9d19248
MR
2255set_default $PATHS_LIST
2256
c597172e 2257add_extralibs $osextralibs
de6d9b64 2258
28d8e661
DB
2259# Combine FFLDFLAGS and the LDFLAGS environment variable.
2260LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2261
320d060a 2262# we need to build at least one lib type
93b3c083 2263if ! enabled_any static shared; then
320d060a
DB
2264 cat <<EOF
2265At least one library type must be built.
2266Specify --enable-static to build the static libraries or --enable-shared to
2267build the shared libraries as well. To only build the shared libraries specify
2268--disable-static in addition to --enable-shared.
2269EOF
2270 exit 1;
2271fi
2272
abc4e572 2273disabled static && LIBNAME=""
2a320695 2274
a2234ceb
RP
2275if enabled_any libfaad libfaadbin ; then
2276 if check_header faad.h; then
295b8c70 2277 check_cc <<EOF
a2234ceb
RP
2278#include <faad.h>
2279#ifndef FAAD2_VERSION
2280ok faad1
2281#endif
db817cf3 2282int main(void) { return 0; }
a2234ceb
RP
2283EOF
2284 test $? = 0 && enable libfaad2
2285 else
ff3dac65 2286 die "FAAD test failed."
a2234ceb
RP
2287 fi
2288fi
2289
2290
2184c6f7 2291die_license_disabled() {
4c27207c 2292 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2293}
2294
2295die_license_disabled gpl libfaad2
2296die_license_disabled gpl libx264
2297die_license_disabled gpl libxvid
2298die_license_disabled gpl postproc
2299die_license_disabled gpl x11grab
2300
2f7ae63b 2301die_license_disabled nonfree libfaac
b2e3c528 2302
0b175caa
DB
2303die_license_disabled version3 libopencore_amrnb
2304die_license_disabled version3 libopencore_amrwb
2305
9cad0e4e 2306enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2307
9eeed841 2308check_deps $ARCH_EXT_LIST
0f3cb305 2309
40617a6d 2310disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2311
e276d9e8
MR
2312enable_pic() {
2313 enable pic
bce7b696
MR
2314 add_cppflags -DPIC
2315 add_cflags -fPIC
2316 add_asflags -fPIC
e276d9e8
MR
2317}
2318
2319enabled pic && enable_pic
bce7b696 2320
b4d96ba2
MR
2321check_cc <<EOF || die "Symbol mangling check failed."
2322int ff_extern;
2323EOF
8182dc34 2324sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2325extern_prefix=${sym%%ff_extern*}
2326
f65883c8
MR
2327check_cc <<EOF && enable inline_asm
2328void foo(void) { __asm__ volatile ("" ::); }
2329EOF
61d251db 2330
df5e3978
MR
2331_restrict=
2332for restrict_keyword in restrict __restrict__ __restrict; do
2333 check_cc <<EOF && _restrict=$restrict_keyword && break
2334void foo(char * $restrict_keyword p);
2335EOF
2336done
2337
2338check_cc <<EOF && enable attribute_packed
2339struct { int x; } __attribute__((packed)) x;
2340EOF
2341
dffb41b9
MR
2342check_cc <<EOF && enable attribute_may_alias
2343union { int x; } __attribute__((may_alias)) x;
2344EOF
2345
df5e3978
MR
2346check_cc <<EOF || die "endian test failed"
2347unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2348EOF
48fc536a 2349od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2350
e939cedd
MR
2351if enabled alpha; then
2352
2353 check_cflags -mieee
2354
2355elif enabled arm; then
e45391bb 2356
50fa82e6
MR
2357 check_cflags -marm
2358
fa0912fe
MR
2359 check_ld <<EOF && enable vfp_args
2360__asm__ (".eabi_attribute 28, 1");
2361int main(void) { return 0; }
2362EOF
2363
2364 # We have to check if pld is a nop and disable it.
2365 check_asm pld '"pld [r0]"'
2366
2367 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2368 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2369 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2370 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2371 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2372 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2373
e276d9e8
MR
2374 enabled_all armv6t2 shared !pic && enable_pic
2375
e939cedd
MR
2376elif enabled ia64; then
2377
2378 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2379 enabled shared && enable_weak hardcoded_tables
2380
fa0912fe 2381elif enabled mips; then
e45391bb 2382
fa0912fe
MR
2383 check_asm loongson '"dmult.g $1, $2, $3"'
2384 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2385
fa0912fe 2386elif enabled ppc; then
e45391bb 2387
fa0912fe
MR
2388 check_asm dcbzl '"dcbzl 0, 1"'
2389 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2390 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2391
2392 # AltiVec flags: The FSF version of GCC differs from the Apple version
2393 if enabled altivec; then
2394 check_cflags -maltivec -mabi=altivec &&
2395 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2396 check_cflags -faltivec
2397
2398 # check if our compiler supports Motorola AltiVec C API
2399 check_cc <<EOF || disable altivec
2400$inc_altivec_h
2401int main(void) {
2402 vector signed int v1, v2, v3;
2403 v1 = vec_add(v2,v3);
2404 return 0;
2405}
2406EOF
2407
2408 # check if our compiler supports braces for vector declarations
2409 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2410$inc_altivec_h
2411int main (void) { (vector int) {1}; return 0; }
2412EOF
2413 fi
e45391bb 2414
fa0912fe 2415elif enabled sparc; then
e45391bb 2416
fa0912fe
MR
2417 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2418 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2419
fa0912fe 2420elif enabled x86; then
e45391bb 2421
44965991
PI
2422 # check whether EBP is available on x86
2423 # As 'i' is stored on the stack, this program will crash
2424 # if the base pointer is used to access it because the
2425 # base pointer is cleared in the inline assembly code.
7dfef245 2426 check_exec_crash <<EOF && enable ebp_available
44965991 2427 volatile int i=0;
be449fca 2428 __asm__ volatile (
44965991
PI
2429 "xorl %%ebp, %%ebp"
2430 ::: "%ebp");
2431 return i;
44965991
PI
2432EOF
2433
f494213c 2434 # check whether EBX is available on x86
7cee5421
MR
2435 check_asm ebx_available '""::"b"(0)' &&
2436 check_asm ebx_available '"":::"%ebx"'
8e380710 2437
d3a4b4e0
DB
2438 # check whether more than 10 operands are supported
2439 check_cc <<EOF && enable ten_operands
2440int main(void) {
2441 int x=0;
2442 __asm__ volatile(
2443 ""
2444 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2445 );
2446 return 0;
2447}
2448EOF
2449
d7f0920b 2450 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2451 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2452 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2453
2454 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2455
d52481b9 2456 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2457 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2458 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2459 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2460 case "$objformat" in
2461 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2462 esac
7595a5e4 2463 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2464
669b5583
MR
2465 case "$cpu" in
2466 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2467 disable fast_clz
2468 ;;
2469 esac
2470
44965991
PI
2471fi
2472
a98bb16d
RP
2473if check_func dlopen; then
2474 ldl=
2475elif check_func dlopen -ldl; then
2476 ldl=-ldl
8bf5d58f
MN
2477fi
2478
75ecf149
DB
2479# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2480check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2481
7483e694 2482check_func fork
84882df6 2483check_func getaddrinfo $network_extralibs
7483e694
DB
2484check_func gethrtime
2485check_func getrusage
094c09bb 2486check_func inet_aton $network_extralibs
abfc8d05 2487check_func isatty
4ae40685 2488check_func ${malloc_prefix}memalign && enable memalign
7483e694 2489check_func mkstemp
4ae40685 2490check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2491check_func setrlimit
b507ebd1 2492check_func_headers io.h setmode
e4673692 2493check_func_headers lzo/lzo1x.h lzo1x_999_compress
2446d3d6 2494check_func_headers windows.h GetProcessTimes
7c5bfe7a 2495check_func_headers windows.h VirtualAlloc
6ffa87d3 2496
e16e49ac 2497check_header conio.h
a98bb16d 2498check_header dlfcn.h
92c6a099 2499check_header dxva2api.h
a98bb16d 2500check_header malloc.h
bf6ce82d 2501check_header poll.h
b58412f1 2502check_header sys/mman.h
b091aa44 2503check_header sys/resource.h
bf6ce82d 2504check_header sys/select.h
a98bb16d 2505check_header termios.h
272081b0
CEH
2506check_header vdpau/vdpau.h
2507check_header vdpau/vdpau_x11.h
68178ca9 2508check_header X11/extensions/XvMClib.h
a98bb16d 2509
9104cd51
RP
2510check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2511
89e053f8
MR
2512if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2513 enabled_any $need_memalign ; then
1f91cdce 2514 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2515fi
e16e49ac 2516
a4fa192c 2517disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2518disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2519
2520# check for some common methods of building with pthread support
2521# do this before the optional library checks as some of them require pthreads
2522if enabled pthreads; then
9e7fd101
MR
2523 if check_func pthread_create; then
2524 :
2525 elif check_func pthread_create -pthread; then
2526 add_cflags -pthread
afc9aee2 2527 add_extralibs -pthread
9e7fd101
MR
2528 elif check_func pthread_create -pthreads; then
2529 add_cflags -pthreads
afc9aee2 2530 add_extralibs -pthreads
8d94f606
GT
2531 elif check_func pthread_create -lpthreadGC2; then
2532 add_extralibs -lpthreadGC2
9e7fd101
MR
2533 elif ! check_lib pthread.h pthread_create -lpthread; then
2534 die "ERROR: can't find pthreads library"
2535 fi
57bd82d4
MR
2536fi
2537
8eee7025 2538for thread in $THREADS_LIST; do
e5f94c2b 2539 if enabled $thread; then
3ae3b721
RP
2540 test -n "$thread_type" &&
2541 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2542 thread_type="$thread"
e5f94c2b
RP
2543 fi
2544done
2545
fdf88598 2546check_lib math.h sin -lm
ff418735 2547check_lib va/va.h vaInitialize -lva
fdf88598 2548
645d2652
MR
2549check_mathfunc exp2
2550check_mathfunc exp2f
2551check_mathfunc llrint
2552check_mathfunc log2
2553check_mathfunc log2f
2554check_mathfunc lrint
2555check_mathfunc lrintf
2556check_mathfunc round
2557check_mathfunc roundf
2558check_mathfunc truncf
f32adb22 2559
57bd82d4 2560# these are off by default, so fail if requested and not available
a1b3c5a3 2561enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2562enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2563 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2564 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2565enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2566enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
5af41508 2567enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2568enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2569enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2570enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2571enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2572enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2573enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2574 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2575enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2576enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2577enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
e69bb386 2578enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
76d81909
JGG
2579 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2580 die "ERROR: libx264 version must be >= 0.83."; }
2bfecf73 2581enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2582enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2583
0b4a1821
AS
2584# libdc1394 check
2585if enabled libdc1394; then
2586 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2587 enable libdc1394_2; } ||
2588 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2589 enable libdc1394_1; } ||
2590 die "ERROR: No version of libdc1394 found "
2591fi
2592
6a1a892f 2593SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2594if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2595 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2596 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2597 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2598 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2599 enable sdl &&
2600 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2601fi
57bd82d4 2602
2270b4b2 2603texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2604
73b46a95 2605if enabled network; then
96000432 2606 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2607 check_type netdb.h "struct addrinfo"
b4d68544
MS
2608 check_type netinet/in.h "struct ipv6_mreq"
2609 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2610 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2611 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2612 # Prefer arpa/inet.h over winsock2
2613 if check_header arpa/inet.h ; then
2614 check_func closesocket
2615 elif check_header winsock2.h ; then
f4c13872
MS
2616 check_func_headers winsock2.h closesocket -lws2 && \
2617 network_extralibs="-lws2" || \
2618 { check_func_headers winsock2.h closesocket -lws2_32 && \
2619 network_extralibs="-lws2_32"; }
72be9e73 2620 check_type ws2tcpip.h socklen_t
c0018613 2621 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2622 check_type ws2tcpip.h "struct ipv6_mreq"
2623 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2624 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2625 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2626 else
2627 disable network
73b46a95
RP
2628 fi
2629fi
2630
06e31011
RP
2631check_header linux/videodev.h
2632check_header linux/videodev2.h
1b6e8b73 2633check_header sys/videoio.h
47f38850 2634
27796dc3 2635check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2636
f8aa696f 2637# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2638{ check_header dev/bktr/ioctl_meteor.h &&
2639 check_header dev/bktr/ioctl_bt848.h; } ||
2640{ check_header machine/ioctl_meteor.h &&
2641 check_header machine/ioctl_bt848.h; } ||
2642{ check_header dev/video/meteor/ioctl_meteor.h &&
2643 check_header dev/video/bktr/ioctl_bt848.h; } ||
2644check_header dev/ic/bt8xx.h
f8aa696f 2645
c7682de0
RP
2646check_header sys/soundcard.h
2647check_header soundcard.h
deb29777 2648
b6f3d925 2649enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2650
0e57fe17 2651enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2652
56a059ac 2653enabled x11grab &&
f58f4ce1
GP
2654check_header X11/Xlib.h &&
2655check_header X11/extensions/XShm.h &&
0a045661 2656check_header X11/extensions/Xfixes.h &&
f58f4ce1 2657check_func XOpenDisplay -lX11 &&
781c1aa6
R
2658check_func XShmCreateImage -lX11 -lXext &&
2659check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2660
598ef02b 2661if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2662check_cpp_condition \
2663 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2664 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2665 disable vdpau; }
abf649c7 2666fi
deda2a4a 2667
95e561ec 2668enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2669
2670# add some useful compiler flags if supported
2671check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2672check_cflags -Wall
2673check_cflags -Wno-switch
c07bd6a9
MN
2674check_cflags -Wdisabled-optimization
2675check_cflags -Wpointer-arith
2676check_cflags -Wredundant-decls
cc1fb623 2677check_cflags -Wno-pointer-sign
f4929996 2678check_cflags -Wcast-qual
9aceb3cf 2679check_cflags -Wwrite-strings
652a5bf6 2680check_cflags -Wtype-limits
764551c6 2681check_cflags -Wundef
5af4e0cc 2682enabled extra_warnings && check_cflags -Winline
cf9d24ad 2683
57bd82d4 2684# add some linker flags
5c0e9479 2685check_ldflags -Wl,--warn-common
8351d2ba
DB
2686check_ldflags -Wl,--as-needed
2687check_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 2688check_ldflags -Wl,-Bsymbolic
94a3401e 2689
a482e61b
MR
2690echo "X{};" > $TMPV
2691test_ldflags -Wl,--version-script,$TMPV &&
2692 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2693
bd2216e4 2694if enabled small; then
14ca9cd0 2695 add_cflags $size_cflags
8400d6b8
DB
2696 optimizations="small"
2697elif enabled optimizations; then
14ca9cd0 2698 add_cflags $speed_cflags
cddf3f45 2699fi
11fdbc44 2700check_cflags -fno-math-errno
b2eb2ff0 2701check_cflags -fno-signed-zeros
cddf3f45 2702
629687f6 2703if enabled icc; then
b1598b58
MR
2704 # Just warnings, no remarks
2705 check_cflags -w1
2706 # -wd: Disable following warnings
2707 # 144, 167, 556: -Wno-pointer-sign
2708 # 10006: ignoring unknown option -fno-signed-zeros
2709 # 10156: ignoring option '-W'; no argument required
2710 check_cflags -wd144,167,556,10006,10156
2711 # 11030: Warning unknown option --as-needed
2712 # 10156: ignoring option '-export'; no argument required
2713 check_ldflags -wd10156,11030
2714 # Allow to compile with optimizations
2715 check_ldflags -march=$cpu
be2cf98a
CEH
2716 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2717 enable ebp_available
df442a8d
MR
2718elif enabled ccc; then
2719 # disable some annoying warnings
2720 add_cflags -msg_disable cvtu32to64
2721 add_cflags -msg_disable embedcomment
2722 add_cflags -msg_disable needconstext
2723 add_cflags -msg_disable nomainieee
2724 add_cflags -msg_disable ptrmismatch1
2725 add_cflags -msg_disable unreachcode
973859f5
MR
2726elif enabled gcc; then
2727 check_cflags -fno-tree-vectorize
06da6943
DC
2728elif enabled clang; then
2729 check_cflags -Qunused-arguments
138132be
MR
2730elif enabled armcc; then
2731 # 2523: use of inline assembler is deprecated
2732 add_cflags -Wrvct,--diag_suppress=2523
587d24ff
MR
2733elif enabled tms470; then
2734 add_cflags -pds=824 -pds=837
504a64b9
CEH
2735fi
2736
90be59ef 2737if enabled gprof; then
0f010b2f
DB
2738 add_cflags -p
2739 add_ldflags -p
1db54e20
DB
2740fi
2741
7f3c02fc 2742# Find out if the .align argument is a power of two or not.
9377b6ce 2743check_asm asmalign_pot '".align 3"'
4454dc1b 2744
7483e694
DB
2745enabled_any $DECODER_LIST && enable decoders
2746enabled_any $ENCODER_LIST && enable encoders
5666fd73 2747enabled_any $HWACCEL_LIST && enable hwaccels
7483e694
DB
2748enabled_any $BSF_LIST && enable bsfs
2749enabled_any $DEMUXER_LIST && enable demuxers
2750enabled_any $MUXER_LIST && enable muxers
f7679c54 2751enabled_any $FILTER_LIST && enable filters
63d72fda
DB
2752enabled_any $INDEV_LIST && enable indevs
2753enabled_any $OUTDEV_LIST && enable outdevs
7483e694
DB
2754enabled_any $PROTOCOL_LIST && enable protocols
2755
2756enabled_any $THREADS_LIST && enable threads
2757
2758check_deps $CONFIG_LIST \
b6bb00b0 2759 $CONFIG_EXTRA \
7483e694
DB
2760 $HAVE_LIST \
2761 $DECODER_LIST \
2762 $ENCODER_LIST \
5666fd73 2763 $HWACCEL_LIST \
7483e694
DB
2764 $PARSER_LIST \
2765 $BSF_LIST \
2766 $DEMUXER_LIST \
2767 $MUXER_LIST \
f7679c54 2768 $FILTER_LIST \
7483e694
DB
2769 $INDEV_LIST \
2770 $OUTDEV_LIST \
2771 $PROTOCOL_LIST \
f70f03f6 2772
c8a4ae00
MR
2773enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2774
3e89171a 2775echo "install prefix $prefix"
f36958f8
DB
2776echo "source path $source_path"
2777echo "C compiler $cc"
bfd5afd8 2778echo ".align is power-of-two $asmalign_pot"
f36958f8 2779echo "ARCH $arch ($cpu)"
ce8871c2
MR
2780if test "$build_suffix" != ""; then
2781 echo "build suffix $build_suffix"
eb94aca9 2782fi
ac63af34
DB
2783if test "$extra_version" != ""; then
2784 echo "version string suffix $extra_version"
2785fi
0db2ce77 2786echo "big-endian ${bigendian-no}"
e90f5b5a 2787echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2788if enabled x86; then
af44e8e4 2789 echo "yasm ${yasm-no}"
0db2ce77 2790 echo "MMX enabled ${mmx-no}"
30e98e62 2791 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2792 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2793 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2794 echo "SSE enabled ${sse-no}"
30e98e62 2795 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2796 echo "CMOV enabled ${cmov-no}"
2797 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2798 echo "EBX available ${ebx_available-no}"
2799 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2800 echo "10 operands supported ${ten_operands-no}"
e41e8342 2801fi
5b6c2cbd 2802if enabled arm; then
0db2ce77
MR
2803 echo "ARMv5TE enabled ${armv5te-no}"
2804 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2805 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2806 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2807 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2808 echo "NEON enabled ${neon-no}"
eba9ae3c 2809fi
5b6c2cbd 2810if enabled mips; then
0db2ce77 2811 echo "MMI enabled ${mmi-no}"
e41e8342 2812fi
5b6c2cbd 2813if enabled ppc; then
0db2ce77 2814 echo "AltiVec enabled ${altivec-no}"
30e98e62 2815 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2816 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2817 echo "performance report ${powerpc_perf-no}"
2818fi
2819if enabled sparc; then
2820 echo "VIS enabled ${vis-no}"
e41e8342 2821fi
0db2ce77
MR
2822echo "gprof enabled ${gprof-no}"
2823echo "debug symbols ${debug-no}"
87a0fb62 2824echo "strip symbols ${stripping-no}"
8400d6b8 2825echo "optimizations ${optimizations-no}"
0db2ce77
MR
2826echo "static ${static-no}"
2827echo "shared ${shared-no}"
4a24ab64 2828echo "postprocessing support ${postproc-no}"
f7679c54 2829echo "new filter support ${avfilter-no}"
81124ba0 2830echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2831echo "network support ${network-no}"
0db2ce77
MR
2832echo "threading support ${thread_type-no}"
2833echo "SDL support ${sdl-no}"
0db2ce77
MR
2834echo "Sun medialib support ${mlib-no}"
2835echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2836echo "libdc1394 support ${libdc1394-no}"
690bfceb 2837echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2838echo "libfaac enabled ${libfaac-no}"
2839echo "libfaad enabled ${libfaad-no}"
7e0871a7 2840echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2841echo "libgsm enabled ${libgsm-no}"
2842echo "libmp3lame enabled ${libmp3lame-no}"
2843echo "libnut enabled ${libnut-no}"
0b175caa
DB
2844echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2845echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2846echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2847echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2848echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2849echo "libtheora enabled ${libtheora-no}"
2850echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2851echo "libx264 enabled ${libx264-no}"
2852echo "libxvid enabled ${libxvid-no}"
0db2ce77 2853echo "zlib enabled ${zlib-no}"
f402916e 2854echo "bzlib enabled ${bzlib-no}"
2c62e737 2855echo
de6d9b64 2856
5666fd73 2857for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2858 echo "Enabled ${type}s:"
f65c9da1 2859 eval list=\$$(toupper $type)_LIST
8138b9db 2860 for part in $list; do
f65c9da1
MR
2861 enabled $part && echo ${part%_*}
2862 done | sort | pr -3 -t
2863 echo
8138b9db
RP
2864done
2865
ba7a7039 2866license="LGPL version 2.1 or later"
ba321adb 2867if enabled nonfree; then
ba7a7039 2868 license="nonfree and unredistributable"
9cad0e4e
DB
2869elif enabled gplv3; then
2870 license="GPL version 3 or later"
2871elif enabled lgplv3; then
2872 license="LGPL version 3 or later"
ba321adb 2873elif enabled gpl; then
ba7a7039 2874 license="GPL version 2 or later"
ba321adb
JK
2875fi
2876
2877echo "License: $license"
ca5323af 2878
cf1392e9
DB
2879echo "Creating config.mak and config.h..."
2880
df642790
MR
2881# build tree in object directory if source path is different from current one
2882if enabled source_path_used; then
2883 DIRS="
2884 doc
2885 libavcodec
2886 libavcodec/$arch
2887 libavdevice
2888 libavfilter
2889 libavformat
2890 libavutil
2891 libavutil/$arch
2892 libpostproc
2893 libswscale
2894 libswscale/$arch
2895 tests
2896 tools
2897 "
2898 FILES="
2899 Makefile
2900 common.mak
2901 subdir.mak
2902 doc/texi2pod.pl
2903 libavcodec/Makefile
2904 libavdevice/Makefile
2905 libavfilter/Makefile
2906 libavformat/Makefile
2907 libavutil/Makefile
2908 libpostproc/Makefile
2909 libswscale/Makefile
2910 "
2911 for dir in $DIRS ; do
2912 mkdir -p $dir
2913 done
2914 for f in $FILES ; do
2915 $ln_s "$source_path/$f" $f
2916 done
2917fi
2918
ad212cc6
MR
2919enabled stripping || strip="echo skipping strip"
2920
173c983b
MR
2921cat > config.mak <<EOF
2922# Automatically generated by configure - do not modify!
2923ifndef FFMPEG_CONFIG_MAK
2924FFMPEG_CONFIG_MAK=1
2925FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2926prefix=$prefix
2927LIBDIR=\$(DESTDIR)$libdir
2928SHLIBDIR=\$(DESTDIR)$shlibdir
2929INCDIR=\$(DESTDIR)$incdir
2930BINDIR=\$(DESTDIR)$bindir
2931DATADIR=\$(DESTDIR)$datadir
2932MANDIR=\$(DESTDIR)$mandir
2933SRC_PATH="$source_path"
2934SRC_PATH_BARE=$source_path
2935BUILD_ROOT="$PWD"
2936ARCH=$arch
2937CC=$cc
2938AS=$as
2939LD=$ld
2940DEPCC=$dep_cc
2941YASM=$yasmexe
2942AR=$ar
2943RANLIB=$ranlib
2944LN_S=$ln_s
2945STRIP=$strip
2946CPPFLAGS=$CPPFLAGS
2947CFLAGS=$CFLAGS
2948ASFLAGS=$ASFLAGS
2949CC_O=$CC_O
2950LDFLAGS=$LDFLAGS
2951FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2952SHFLAGS=$SHFLAGS
2953YASMFLAGS=$YASMFLAGS
2954BUILDSUF=$build_suffix
2955FULLNAME=$FULLNAME
2956LIBPREF=$LIBPREF
2957LIBSUF=$LIBSUF
2958LIBNAME=$LIBNAME
2959SLIBPREF=$SLIBPREF
2960SLIBSUF=$SLIBSUF
2961EXESUF=$EXESUF
2962EXTRA_VERSION=$extra_version
2963DEPFLAGS=$DEPFLAGS
2964CCDEP=$CCDEP
2965ASDEP=$ASDEP
2966CC_DEPFLAGS=$CC_DEPFLAGS
2967AS_DEPFLAGS=$AS_DEPFLAGS
2968HOSTCC=$host_cc
2969HOSTCFLAGS=$host_cflags
2970HOSTEXESUF=$HOSTEXESUF
2971HOSTLDFLAGS=$host_ldflags
2972HOSTLIBS=$host_libs
2973TARGET_EXEC=$target_exec
2974TARGET_PATH=$target_path
2975SDL_LIBS=$sdl_libs
2976SDL_CFLAGS=$sdl_cflags
2977LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2978EXTRALIBS=$extralibs
2979EOF
5a872801 2980
719c8e00
MR
2981get_version(){
2982 name=$1
2983 file=$source_path/$2
147e7692
MR
2984 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2985 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2986 lcname=$(tolower $name)
2987 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2988 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2989}
2990
147e7692
MR
2991get_version LIBSWSCALE libswscale/swscale.h
2992get_version LIBPOSTPROC libpostproc/postprocess.h
2993get_version LIBAVCODEC libavcodec/avcodec.h
2994get_version LIBAVDEVICE libavdevice/avdevice.h
2995get_version LIBAVFORMAT libavformat/avformat.h
2996get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2997get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2998
173c983b
MR
2999enabled shared && cat >> config.mak <<EOF
3000LIBTARGET=${LIBTARGET}
3001SLIBNAME=${SLIBNAME}
3002SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3003SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3004SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3005SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3006SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3007SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3008EOF
523ef551 3009
173c983b
MR
3010enabled asmalign_pot || align_shift="1 <<"
3011
3012cat > $TMPH <<EOF
3013/* Automatically generated by configure - do not modify! */
3014#ifndef FFMPEG_CONFIG_H
3015#define FFMPEG_CONFIG_H
3016#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3017#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3018#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3019#define CC_TYPE "$cc_type"
3020#define CC_VERSION $cc_version
3021#define restrict $_restrict
3022#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3023#define EXTERN_PREFIX "${extern_prefix}"
3024#define EXTERN_ASM ${extern_prefix}
3025EOF
523ef551 3026
4ae40685
MR
3027test -n "$malloc_prefix" &&
3028 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3029
523ef551
DB
3030if enabled small || disabled optimizations; then
3031 echo "#define av_always_inline" >> $TMPH
3032fi
3033
3d907e22
MR
3034print_config ARCH_ $TMPH config.mak $ARCH_LIST
3035print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3036print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3037 $CONFIG_EXTRA \
7483e694
DB
3038 $DECODER_LIST \
3039 $ENCODER_LIST \
5666fd73 3040 $HWACCEL_LIST \
7483e694
DB
3041 $PARSER_LIST \
3042 $BSF_LIST \
3043 $DEMUXER_LIST \
3044 $MUXER_LIST \
f7679c54 3045 $FILTER_LIST \
7483e694
DB
3046 $PROTOCOL_LIST \
3047 $INDEV_LIST \
3048 $OUTDEV_LIST \
8ac17293 3049
9c05103f 3050echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3051echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3052
b7860763 3053# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3054cp_if_changed $TMPH config.h
3d204385 3055
a3e02a8c
MR
3056cat > $TMPH <<EOF
3057/* Generated by ffconf */
3058#ifndef AVUTIL_AVCONFIG_H
3059#define AVUTIL_AVCONFIG_H
3060EOF
3061
3062print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3063
3064echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3065
3066cp_if_changed $TMPH libavutil/avconfig.h
3067
d0674868 3068# build pkg-config files
def4272a 3069
d0674868
DB
3070pkgconfig_generate(){
3071name=$1
b0dfd108 3072shortname=${name#lib}${build_suffix}
d0674868
DB
3073comment=$2
3074version=$3
3075libs=$4
3076requires=$5
25cd5cb3 3077cat <<EOF > $name/$name.pc
3e89171a 3078prefix=$prefix
a94e666c 3079exec_prefix=\${prefix}
f2b7382c 3080libdir=$libdir
7622778e 3081includedir=$incdir
def4272a 3082
d0674868
DB
3083Name: $name
3084Description: $comment
3085Version: $version
8cd6b388 3086Requires: $(enabled shared || echo $requires)
5dcfe9f8 3087Requires.private: $(enabled shared && echo $requires)
def4272a 3088Conflicts:
8cd6b388 3089Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3090Libs.private: $(enabled shared && echo $libs)
76a448ed 3091Cflags: -I\${includedir}
def4272a 3092EOF
25cd5cb3 3093cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3094prefix=
3095exec_prefix=
46d1ff83 3096libdir=\${pcfiledir}
1d44d365 3097includedir=${source_path}
def4272a 3098
d0674868
DB
3099Name: $name
3100Description: $comment
3101Version: $version
3102Requires: $requires
def4272a 3103Conflicts:
12701f6e 3104Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3105Cflags: -I\${includedir}
3106EOF
d0674868 3107}
def4272a 3108
e426941d 3109pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3110pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3111pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3112pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3113enabled avfilter &&
46983309 3114 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3115enabled postproc &&
e426941d 3116 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3117pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"