move aspect ratio code at the end of the track parsing, fix cathedral-beta2-400extra...
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
f57620d5
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3# FFmpeg configure script
4#
949906ea
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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.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
c21d6325
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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
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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
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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
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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
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54 exit 1
55fi
56
74c53c2d 57show_help(){
06454877
MR
58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.err]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffserver disable ffserver build
86 --enable-postproc enable GPLed postprocessing support [no]
87 --enable-avfilter video filter support [no]
88 --enable-avfilter-lavf video filters dependent on avformat [no]
89 --enable-beosthreads use BeOS threads [no]
90 --enable-os2threads use OS/2 threads [no]
91 --enable-pthreads use pthreads [no]
92 --enable-w32threads use Win32 threads [no]
93 --enable-x11grab enable X11 grabbing [no]
94 --disable-network disable network support [no]
95 --disable-ipv6 disable IPv6 support [no]
96 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
97 --enable-gray enable full grayscale support (slower color)
98 --disable-swscale-alpha disable alpha channel support in swscale
99 --disable-fastdiv disable table-based division
100 --enable-small optimize for size instead of speed
101 --disable-aandct disable AAN DCT code
102 --disable-fft disable FFT code
103 --disable-golomb disable Golomb code
104 --disable-lpc disable LPC code
105 --disable-mdct disable MDCT code
106 --disable-rdft disable RDFT code
107 --disable-vaapi disable VAAPI code
108 --disable-vdpau disable VDPAU code
109 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
110 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
111 --enable-memalign-hack emulate memalign, interferes with memory debuggers
112 --enable-beos-netserver enable BeOS netserver
113 --disable-encoder=NAME disable encoder NAME
114 --enable-encoder=NAME enable encoder NAME
115 --disable-encoders disable all encoders
116 --disable-decoder=NAME disable decoder NAME
117 --enable-decoder=NAME enable decoder NAME
118 --disable-decoders disable all decoders
119 --disable-hwaccel=NAME disable hwaccel NAME
120 --enable-hwaccel=NAME enable hwaccel NAME
121 --disable-hwaccels disable all hwaccels
122 --disable-muxer=NAME disable muxer NAME
123 --enable-muxer=NAME enable muxer NAME
124 --disable-muxers disable all muxers
125 --disable-demuxer=NAME disable demuxer NAME
126 --enable-demuxer=NAME enable demuxer NAME
127 --disable-demuxers disable all demuxers
128 --enable-parser=NAME enable parser NAME
129 --disable-parser=NAME disable parser NAME
130 --disable-parsers disable all parsers
131 --enable-bsf=NAME enable bitstream filter NAME
132 --disable-bsf=NAME disable bitstream filter NAME
133 --disable-bsfs disable all bitstream filters
134 --enable-protocol=NAME enable protocol NAME
135 --disable-protocol=NAME disable protocol NAME
136 --disable-protocols disable all protocols
137 --disable-indev=NAME disable input device NAME
138 --disable-outdev=NAME disable output device NAME
139 --disable-indevs disable input devices
140 --disable-outdevs disable output devices
141 --disable-devices disable all devices
142 --enable-filter=NAME enable filter NAME
143 --disable-filter=NAME disable filter NAME
144 --disable-filters disable all filters
145 --list-decoders show all available decoders
146 --list-encoders show all available encoders
147 --list-hwaccels show all available hardware accelerators
148 --list-muxers show all available muxers
149 --list-demuxers show all available demuxers
150 --list-parsers show all available parsers
151 --list-protocols show all available protocols
152 --list-bsfs show all available bitstream filters
153 --list-indevs show all available input devices
154 --list-outdevs show all available output devices
155 --list-filters show all available filters
156
157External library support:
158 --enable-avisynth enable reading of AVISynth script files [no]
159 --enable-bzlib enable bzlib [autodetect]
160 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
161 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
162 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
163 and libraw1394 [no]
164 --enable-libdirac enable Dirac support via libdirac [no]
165 --enable-libfaac enable FAAC support via libfaac [no]
166 --enable-libfaad enable FAAD support via libfaad [no]
167 --enable-libfaadbin open libfaad.so.0 at runtime [no]
168 --enable-libgsm enable GSM support via libgsm [no]
169 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
170 --enable-libnut enable NUT (de)muxing via libnut,
171 native (de)muxer exists [no]
172 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
173 --enable-libschroedinger enable Dirac support via libschroedinger [no]
174 --enable-libspeex enable Speex decoding via libspeex [no]
175 --enable-libtheora enable Theora encoding via libtheora [no]
176 --enable-libvorbis enable Vorbis encoding via libvorbis,
177 native implementation exists [no]
178 --enable-libx264 enable H.264 encoding via x264 [no]
179 --enable-libxvid enable Xvid encoding via xvidcore,
180 native MPEG-4/Xvid encoder exists [no]
181 --enable-mlib enable Sun medialib [no]
182 --enable-zlib enable zlib [autodetect]
183
184Advanced options (experts only):
185 --source-path=PATH path to source code [$source_path]
186 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
187 --enable-cross-compile assume a cross-compiler is used
188 --sysroot=PATH root of cross-build tree
189 --sysinclude=PATH location of cross-build system headers
190 --target-os=OS compiler targets OS [$target_os]
191 --target-exec=CMD command to run executables on target
192 --target-path=DIR path to view of build directory on target
193 --nm=NM use nm tool
194 --as=AS use assembler AS [$as_default]
195 --cc=CC use C compiler CC [$cc_default]
196 --ld=LD use linker LD
197 --host-cc=HOSTCC use host C compiler HOSTCC
198 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
199 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
200 --host-libs=HLIBS use libs HLIBS when linking for host
201 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
202 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
203 --extra-libs=ELIBS add ELIBS [$ELIBS]
204 --extra-version=STRING version string suffix []
205 --build-suffix=SUFFIX library name suffix []
206 --arch=ARCH select architecture [$arch]
207 --cpu=CPU select the minimum required CPU (affects
208 instruction selection, may crash on older CPUs)
209 --enable-powerpc-perf enable performance report on PPC
210 (requires enabling PMC)
211 --disable-altivec disable AltiVec optimizations
212 --disable-amd3dnow disable 3DNow! optimizations
213 --disable-amd3dnowext disable 3DNow! extended optimizations
214 --disable-mmx disable MMX optimizations
215 --disable-mmx2 disable MMX2 optimizations
216 --disable-sse disable SSE optimizations
217 --disable-ssse3 disable SSSE3 optimizations
218 --disable-armv5te disable armv5te optimizations
219 --disable-armv6 disable armv6 optimizations
220 --disable-armv6t2 disable armv6t2 optimizations
221 --disable-armvfp disable ARM VFP optimizations
222 --disable-iwmmxt disable iwmmxt optimizations
223 --disable-mmi disable MMI optimizations
224 --disable-neon disable neon optimizations
225 --disable-vis disable VIS optimizations
226 --disable-yasm disable use of yasm assembler
227 --enable-pic build position-independent code
228
229Developer options (useful when working on FFmpeg itself):
230 --disable-debug disable debugging symbols
231 --enable-debug=LEVEL set the debug level [$debuglevel]
232 --enable-gprof enable profiling with gprof [$gprof]
233 --disable-optimizations disable compiler optimizations
234 --enable-extra-warnings enable more compiler warnings
235 --disable-stripping disable stripping of executables and shared libraries
236
237NOTE: Object files are built at the place where configure is launched.
238EOF
60e8bc13 239 exit 0
74c53c2d 240}
cf9d24ad 241
57bd82d4 242log(){
2270b4b2 243 echo "$@" >> $logfile
57bd82d4
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244}
245
720c69da 246log_file(){
c8e9f801 247 log BEGIN $1
2270b4b2 248 pr -n -t $1 >> $logfile
c8e9f801
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249 log END $1
250}
251
2ba042a7 252echolog(){
c8e9f801 253 log "$@"
57bd82d4 254 echo "$@"
2ba042a7
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255}
256
257die(){
258 echolog "$@"
259 cat <<EOF
d326cf7f 260
2ba042a7
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261If you think configure made a mistake, make sure you are using the latest
262version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 263ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 264EOF
e155a21a 265 if disabled logging; then
2ba042a7 266 cat <<EOF
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267Rerun configure with logging enabled (do not use --disable-logging), and
268include the log this produces with your report.
2ba042a7
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269EOF
270 else
271cat <<EOF
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272Include the log file "$logfile" produced by configure as this will help
273solving the problem.
2ba042a7
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274EOF
275 fi
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276 exit 1
277}
278
6c6007d6 279# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 280toupper(){
6c6007d6 281 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
282}
283
4a5444db 284tolower(){
6c6007d6 285 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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286}
287
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288c_escape(){
289 echo "$*" | sed 's/["\\]/\\\0/g'
290}
291
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292sh_quote(){
293 v=$(echo "$1" | sed "s/'/'\\\\''/g")
294 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
295 echo "$v"
296}
297
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298filter(){
299 pat=$1
300 shift
301 for v; do
98ef6079 302 eval "case $v in $pat) echo $v ;; esac"
be8f2501
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303 done
304}
305
a8d04fba
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306set_all(){
307 value=$1
308 shift
309 for var in $*; do
310 eval $var=$value
311 done
312}
313
72a43668
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314set_weak(){
315 value=$1
316 shift
317 for var; do
318 eval : \${$var:=$value}
319 done
320}
321
799c9e9b
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322pushvar(){
323 for var in $*; do
324 eval level=\${${var}_level:=0}
325 eval ${var}_${level}="\$$var"
326 eval ${var}_level=$(($level+1))
327 done
328}
329
330popvar(){
331 for var in $*; do
332 eval level=\${${var}_level:-0}
333 test $level = 0 && continue
334 eval level=$(($level-1))
335 eval $var="\${${var}_${level}}"
336 eval ${var}_level=$level
337 eval unset ${var}_${level}
338 done
339}
340
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341enable(){
342 set_all yes $*
343}
344
345disable(){
346 set_all no $*
347}
348
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349enable_weak(){
350 set_weak yes $*
351}
352
353disable_weak(){
354 set_weak no $*
355}
356
72702705 357enable_safe(){
fd07f803
MR
358 for var; do
359 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
360 done
72702705
MR
361}
362
363disable_safe(){
fd07f803
MR
364 for var; do
365 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
366 done
72702705
MR
367}
368
f9d328da
MR
369do_enable_deep(){
370 for var; do
371 enabled $var && continue
372 eval sel="\$${var}_select"
c510c7b5
MR
373 eval sgs="\$${var}_suggest"
374 pushvar var sgs
f9d328da 375 enable_deep $sel
c510c7b5
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376 popvar sgs
377 enable_deep_weak $sgs
f9d328da
MR
378 popvar var
379 done
380}
381
382enable_deep(){
383 do_enable_deep $*
384 enable $*
385}
386
72a43668
MR
387enable_deep_weak(){
388 do_enable_deep $*
389 enable_weak $*
390}
391
57bd82d4 392enabled(){
3250003c
MR
393 test "${1#!}" = "$1" && op== || op=!=
394 eval test "x\$${1#!}" $op "xyes"
44161118
MR
395}
396
37970ebf 397disabled(){
3250003c
MR
398 test "${1#!}" = "$1" && op== || op=!=
399 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
400}
401
44161118
MR
402enabled_all(){
403 for opt; do
404 enabled $opt || return 1
405 done
406}
407
85bca2c5
DB
408disabled_all(){
409 for opt; do
410 disabled $opt || return 1
411 done
412}
413
44161118
MR
414enabled_any(){
415 for opt; do
416 enabled $opt && return 0
417 done
418}
419
85bca2c5
DB
420disabled_any(){
421 for opt; do
422 disabled $opt && return 0
423 done
f7b230a7 424 return 1
85bca2c5
DB
425}
426
c9d19248
MR
427set_default(){
428 for opt; do
88268e94 429 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
430 done
431}
432
4a0d6686
AJ
433is_in(){
434 value=$1
435 shift
436 for var in $*; do
437 [ $var = $value ] && return 0
438 done
439 return 1
440}
441
30fd06be
MR
442check_deps(){
443 for cfg; do
3250003c 444 cfg="${cfg#!}"
799c9e9b
MR
445 enabled ${cfg}_checking && die "Circular dependency for $cfg."
446 disabled ${cfg}_checking && continue
447 enable ${cfg}_checking
448
30fd06be
MR
449 eval dep_all="\$${cfg}_deps"
450 eval dep_any="\$${cfg}_deps_any"
7ef3425f 451 eval dep_sel="\$${cfg}_select"
c510c7b5 452 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
453 eval dep_ifa="\$${cfg}_if"
454 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 455
3d7453e0
MR
456 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
457 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
458 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 459
3d7453e0
MR
460 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
461 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
462 enabled_all $dep_all || disable $cfg
463 enabled_any $dep_any || disable $cfg
7ef3425f 464 disabled_any $dep_sel && disable $cfg
799c9e9b 465
4ec45764
RP
466 if enabled $cfg; then
467 eval dep_extralibs="\$${cfg}_extralibs"
468 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 469 enable_deep $dep_sel
c510c7b5 470 enable_deep_weak $dep_sgs
4ec45764
RP
471 fi
472
799c9e9b 473 disable ${cfg}_checking
30fd06be
MR
474 done
475}
476
44161118
MR
477print_config(){
478 pfx=$1
479 header=$2
480 makefile=$3
481 shift 3
482 for cfg; do
5e622c40 483 ucname="$(toupper $cfg)"
44161118 484 if enabled $cfg; then
3d907e22 485 echo "#define ${pfx}${ucname} 1" >> $header
3d907e22
MR
486 echo "${pfx}${ucname}=yes" >> $makefile
487 else
b250f9c6 488 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 489 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
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490 fi
491 done
57bd82d4
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492}
493
494flags_saved(){
2270b4b2 495 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
496}
497
dcd479c0 498save_flags(){
57bd82d4 499 flags_saved && return
dcd479c0
MR
500 SAVE_CFLAGS="$CFLAGS"
501 SAVE_LDFLAGS="$LDFLAGS"
502 SAVE_extralibs="$extralibs"
503}
504
505restore_flags(){
f5d28d10 506 flags_saved || return
dcd479c0
MR
507 CFLAGS="$SAVE_CFLAGS"
508 LDFLAGS="$SAVE_LDFLAGS"
509 extralibs="$SAVE_extralibs"
510 unset SAVE_CFLAGS
511 unset SAVE_LDFLAGS
512 unset SAVE_extralibs
513}
514
515temp_cflags(){
516 save_flags
517 CFLAGS="$CFLAGS $*"
518}
519
520temp_ldflags(){
521 save_flags
522 LDFLAGS="$LDFLAGS $*"
523}
524
525temp_extralibs(){
526 save_flags
527 extralibs="$extralibs $*"
528}
529
57bd82d4
MR
530append(){
531 var=$1
532 shift
533 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
534 eval "$var=\"\$$var $*\""
535}
536
50a334e4 537add_cppflags(){
caf458dd 538 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
539}
540
57bd82d4 541add_cflags(){
caf458dd 542 append CFLAGS $($filter_cflags "$@")
57bd82d4
MR
543}
544
2f2e6c7c 545add_asflags(){
caf458dd 546 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
MR
547}
548
57bd82d4
MR
549add_ldflags(){
550 append LDFLAGS "$@"
551}
552
553add_extralibs(){
554 append extralibs "$@"
555}
556
b0cfb663 557check_cmd(){
b3cb5d51 558 log "$@"
2270b4b2 559 "$@" >> $logfile 2>&1
b0cfb663
MR
560}
561
dcd479c0 562check_cc(){
57bd82d4 563 log check_cc "$@"
2270b4b2 564 cat > $TMPC
720c69da 565 log_file $TMPC
50a334e4 566 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
567}
568
569check_cpp(){
570 log check_cpp "$@"
2270b4b2 571 cat > $TMPC
720c69da 572 log_file $TMPC
9e7f3277 573 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
574}
575
f65883c8
MR
576check_as(){
577 log check_as "$@"
578 cat > $TMPC
579 log_file $TMPC
2f2e6c7c 580 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
581}
582
940f335a
MR
583check_asm(){
584 log check_asm "$@"
585 name="$1"
586 asm="$2"
587 shift 2
49214f61
MR
588 disable $name
589 check_as "$@" <<EOF && enable $name
124c21d7 590void foo(void){ __asm__ volatile($asm); }
940f335a
MR
591EOF
592}
593
304d586d
LM
594check_yasm(){
595 log check_yasm "$@"
596 echo "$1" > $TMPS
597 log_file $TMPS
598 shift 1
599 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
600}
601
dcd479c0 602check_ld(){
57bd82d4 603 log check_ld "$@"
3155a644
MR
604 flags=''
605 libs=''
606 for f; do
607 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
608 done
2a194acd 609 check_cc $($filter_cflags $flags) || return
684b28e0 610 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
611}
612
50a334e4
MR
613check_cppflags(){
614 log check_cppflags "$@"
caf458dd
MR
615 set -- $($filter_cppflags "$@")
616 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
617int x;
618EOF
619}
620
dcd479c0 621check_cflags(){
57bd82d4 622 log check_cflags "$@"
caf458dd
MR
623 set -- $($filter_cflags "$@")
624 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
625int x;
626EOF
627}
628
2ed46eea
MR
629test_ldflags(){
630 log test_ldflags "$@"
631 check_ld "$@" <<EOF
c23a0ac8 632int main(void){ return 0; }
dcd479c0
MR
633EOF
634}
635
2ed46eea
MR
636check_ldflags(){
637 log check_ldflags "$@"
638 test_ldflags "$@" && add_ldflags "$@"
639}
640
dcd479c0 641check_header(){
57bd82d4 642 log check_header "$@"
dcd479c0
MR
643 header=$1
644 shift
b77df637
MR
645 disable_safe $header
646 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
647#include <$header>
648int x;
649EOF
650}
651
652check_func(){
57bd82d4 653 log check_func "$@"
dcd479c0
MR
654 func=$1
655 shift
d8bc5f06
MR
656 disable $func
657 check_ld "$@" <<EOF && enable $func
dcd479c0 658extern int $func();
c23a0ac8 659int main(void){ $func(); }
dcd479c0
MR
660EOF
661}
662
2446d3d6
DB
663check_func_headers(){
664 log check_func_headers "$@"
f8d7b072
MR
665 headers=$1
666 func=$2
667 shift 2
668 disable $func
669 incs=""
670 for hdr in $headers; do
671 incs="$incs
672#include <$hdr>"
673 done
cd0d9a9d 674 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 675$incs
d6773f56 676int main(int argc, char **argv){
2b2c2a81 677 return (long) $func;
f8d7b072
MR
678}
679EOF
680}
681
a5344cf7
SS
682check_cpp_condition(){
683 log check_cpp_condition "$@"
684 header=$1
685 condition=$2
f855b7b9
MR
686 shift 2
687 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
688#include <$header>
689#if !($condition)
690#error "unsatisfied condition: $condition"
691#endif
692EOF
693}
694
57bd82d4
MR
695check_lib(){
696 log check_lib "$@"
697 header="$1"
698 func="$2"
699 shift 2
fcfcde17
MR
700 temp_extralibs "$@"
701 check_header $header && check_func $func && add_extralibs "$@"
702 err=$?
703 restore_flags
704 return $err
57bd82d4
MR
705}
706
f8d7b072
MR
707check_lib2(){
708 log check_lib2 "$@"
709 headers="$1"
710 func="$2"
711 shift 2
300cde27 712 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
713}
714
dcd479c0 715check_exec(){
2270b4b2 716 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
717}
718
7dfef245 719check_exec_crash(){
5e622c40 720 code=$(cat)
7dfef245
MR
721
722 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
723 # are safe but may not be available everywhere. Thus we use
724 # raise(SIGTERM) instead. The check is run in a subshell so we
725 # can redirect the "Terminated" message from the shell. SIGBUS
726 # is not defined by standard C so it is used conditionally.
727
2270b4b2 728 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
729#include <signal.h>
730static void sighandler(int sig){
731 raise(SIGTERM);
732}
e5af4a11 733int main(void){
7dfef245
MR
734 signal(SIGILL, sighandler);
735 signal(SIGFPE, sighandler);
736 signal(SIGSEGV, sighandler);
737#ifdef SIGBUS
738 signal(SIGBUS, sighandler);
739#endif
740 { $code }
741}
742EOF
743}
744
72be9e73
DY
745check_type(){
746 log check_type "$@"
747 headers=$1
748 type=$2
749 shift 2
ae550ce9 750 disable_safe "$type"
72be9e73
DY
751 incs=""
752 for hdr in $headers; do
753 incs="$incs
754#include <$hdr>"
755 done
ae550ce9 756 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
757$incs
758$type v;
759EOF
760}
761
14d36751
MR
762check_struct(){
763 log check_type "$@"
764 headers=$1
765 struct=$2
766 member=$3
767 shift 3
768 disable_safe "${struct}_${member}"
769 incs=""
770 for hdr in $headers; do
771 incs="$incs
772#include <$hdr>"
773 done
774 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
775$incs
776const void *p = &(($struct *)0)->$member;
777EOF
778}
779
57bd82d4
MR
780require(){
781 name="$1"
782 header="$2"
783 func="$3"
784 shift 3
785 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
786}
787
f8d7b072
MR
788require2(){
789 name="$1"
790 headers="$2"
791 func="$3"
792 shift 3
793 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
794}
795
eea50282
MR
796check_foo_config(){
797 cfg=$1
798 pkg=$2
799 header=$3
800 func=$4
801 shift 4
802 disable $cfg
803 check_cmd ${pkg}-config --version
804 err=$?
805 if test "$err" = 0; then
5e622c40
DB
806 temp_cflags $(${pkg}-config --cflags)
807 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
808 check_lib "$@" $header $func && enable $cfg
809 fi
810 return $err
811}
812
f0125de9
MR
813check_host_cc(){
814 log check_host_cc "$@"
815 cat > $TMPC
816 log_file $TMPC
817 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
818}
819
820check_host_cflags(){
821 log check_host_cflags "$@"
822 check_host_cc "$@" <<EOF && append host_cflags "$@"
823int x;
824EOF
825}
826
c505dd31
MR
827apply(){
828 file=$1
829 shift
830 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
831}
832
dcd61286
DB
833# CONFIG_LIST contains configurable options, while HAVE_LIST is for
834# system-dependent things.
835
4a0d6686
AJ
836COMPONENT_LIST="
837 bsfs
838 decoders
839 demuxers
840 encoders
3cde40aa 841 filters
5666fd73 842 hwaccels
c552605c 843 indevs
4a0d6686 844 muxers
c552605c 845 outdevs
4a0d6686
AJ
846 parsers
847 protocols
848"
849
850CONFIG_LIST="
851 $COMPONENT_LIST
e8ed9b7a 852 aandct
f7679c54
VS
853 avfilter
854 avfilter_lavf
c88f5d72
MR
855 avisynth
856 beos_netserver
f402916e 857 bzlib
c73f65d9 858 doc
27a9466b 859 fastdiv
c88f5d72
MR
860 ffmpeg
861 ffplay
862 ffserver
1848f7d9 863 fft
4f034993 864 golomb
c88f5d72 865 gpl
ecfc4f44 866 gprof
d8d0d0b2 867 gray
3abe5fbd 868 hardcoded_tables
c88f5d72 869 ipv6
f7b8bffe 870 libdc1394
690bfceb 871 libdirac
2eed5a46
DB
872 libfaac
873 libfaad
874 libfaadbin
c88f5d72 875 libgsm
6ebe07fb 876 libmp3lame
c88f5d72 877 libnut
0b175caa
DB
878 libopencore_amrnb
879 libopencore_amrwb
9a77d59a 880 libopenjpeg
f7cd9eed 881 libschroedinger
ae14f311 882 libspeex
150d2772 883 libtheora
c88f5d72 884 libvorbis
1cc60c47
DB
885 libx264
886 libxvid
f4d608e3 887 lpc
47a158cb 888 mdct
c88f5d72 889 memalign_hack
a8150374 890 mlib
c88f5d72
MR
891 mpegaudio_hp
892 network
3fe142e2 893 nonfree
8a3c8627 894 pic
4a24ab64 895 postproc
2b4c3615 896 powerpc_perf
68602540 897 rdft
e90f5b5a 898 runtime_cpudetect
2e35e684 899 shared
bd2216e4 900 small
2e35e684 901 static
a9ddb5b1 902 swscale_alpha
17492d5e
DB
903 vaapi
904 vdpau
9cad0e4e 905 version3
56a059ac 906 x11grab
c88f5d72 907 zlib
4a0d6686 908"
c88f5d72 909
8eee7025
DB
910THREADS_LIST='
911 beosthreads
d22e8442 912 os2threads
8eee7025
DB
913 pthreads
914 w32threads
915'
916
3f5b56e5
MR
917ARCH_LIST='
918 alpha
a2fc0f6a 919 arm
fdcd782d
MR
920 avr32
921 avr32_ap
922 avr32_uc
3f5b56e5
MR
923 bfin
924 ia64
925 m68k
926 mips
bae3abb0 927 mips64
3f5b56e5 928 parisc
79cb09b2 929 ppc
34d11b87 930 ppc64
3f5b56e5
MR
931 s390
932 sh4
933 sparc
934 sparc64
935 x86
936 x86_32
937 x86_64
938'
939
940ARCH_EXT_LIST='
1ac9331a 941 altivec
3bf96eec 942 amd3dnow
a1ef9f08 943 amd3dnowext
1ac9331a 944 armv5te
edab3048 945 armv6
ab5cb084 946 armv6t2
f55b299a 947 armvfp
3f5b56e5
MR
948 iwmmxt
949 mmi
950 mmx
d7f0920b 951 mmx2
6b18d278 952 neon
799fde37 953 ppc4xx
1bb04d5a 954 sse
9eeed841 955 ssse3
bd9d34a0 956 vis
3f5b56e5
MR
957'
958
959HAVE_LIST="
960 $ARCH_EXT_LIST
961 $THREADS_LIST
35fd8122 962 alsa_asoundlib_h
3f5b56e5 963 altivec_h
c9fdab0d 964 arpa_inet_h
e7ea5e3d 965 attribute_packed
08a85a59 966 bigendian
6bd859d6 967 bswap
ecf97f22 968 closesocket
1ac9331a 969 cmov
e16e49ac 970 conio_h
c88f5d72 971 dcbzl
f8aa696f
DB
972 dev_bktr_ioctl_bt848_h
973 dev_bktr_ioctl_meteor_h
974 dev_ic_bt8xx_h
975 dev_video_meteor_ioctl_meteor_h
976 dev_video_bktr_ioctl_bt848_h
18b67ae5 977 dlfcn_h
c88f5d72 978 dlopen
bc574408 979 dos_paths
245626d0
DB
980 ebp_available
981 ebx_available
6b7c7703
VS
982 exp2
983 exp2f
c2a29455 984 fast_64bit
669b5583 985 fast_clz
7073e9fc 986 fast_cmov
7b829d2a 987 fast_unaligned
9d99cc5a 988 fork
84882df6 989 getaddrinfo
da9e86f8 990 gethrtime
4e68cb8a 991 GetProcessTimes
66be5b45 992 getrusage
2e1913b1 993 inet_aton
61d251db 994 inline_asm
abfc8d05 995 isatty
9f5ff83f 996 ldbrx
0b4a1821
AS
997 libdc1394_1
998 libdc1394_2
a33cab3a 999 llrint
291fd18a 1000 log2
6b7c7703 1001 log2f
85dd97ad 1002 loongson
a33cab3a 1003 lrint
c88f5d72 1004 lrintf
e4673692 1005 lzo1x_999_compress
f8aa696f
DB
1006 machine_ioctl_bt848_h
1007 machine_ioctl_meteor_h
c88f5d72
MR
1008 malloc_h
1009 memalign
6ffa87d3 1010 mkstemp
b4e806b2 1011 pld
1f91cdce 1012 posix_memalign
a33cab3a
MK
1013 round
1014 roundf
c88f5d72
MR
1015 sdl
1016 sdl_video_size
b507ebd1 1017 setmode
72be9e73 1018 socklen_t
deb29777 1019 soundcard_h
f8cda19e 1020 poll_h
c0018613 1021 struct_addrinfo
33a4dbdd 1022 struct_sockaddr_storage
b58412f1 1023 sys_mman_h
b091aa44 1024 sys_resource_h
81644c2e 1025 sys_select_h
deb29777 1026 sys_soundcard_h
1b6e8b73 1027 sys_videoio_h
d3a4b4e0 1028 ten_operands
e16e49ac 1029 termios_h
b265431e 1030 threads
7b04b8a0 1031 truncf
ce742de2 1032 vfp_args
7c5bfe7a 1033 VirtualAlloc
6ff3f3e7 1034 winsock2_h
cc078b5d 1035 xform_asm
304d586d 1036 yasm
0cb78cef 1037"
44161118 1038
b6bb00b0
MR
1039# options emitted with CONFIG_ prefix but not available on command line
1040CONFIG_EXTRA="
9cad0e4e
DB
1041 gplv3
1042 lgplv3
b6bb00b0
MR
1043"
1044
520cc7f1 1045CMDLINE_SELECT="
3f5b56e5 1046 $ARCH_EXT_LIST
520cc7f1 1047 $CONFIG_LIST
8eee7025 1048 $THREADS_LIST
db6107b6 1049 cross_compile
520cc7f1
MR
1050 debug
1051 extra_warnings
8c6afa4d 1052 logging
d2bbb2f7 1053 optimizations
87a0fb62 1054 stripping
7595a5e4 1055 yasm
520cc7f1 1056"
426be5dc
DB
1057
1058PATHS_LIST='
d156bede 1059 bindir
14a8acf1 1060 datadir
26759c44
MR
1061 incdir
1062 libdir
26759c44
MR
1063 mandir
1064 prefix
1065 shlibdir
426be5dc
DB
1066'
1067
1068CMDLINE_SET="
1069 $PATHS_LIST
1070 arch
313c46a6 1071 as
426be5dc
DB
1072 build_suffix
1073 cc
1074 cpu
1075 cross_prefix
50567afa 1076 dep_cc
ac63af34 1077 extra_version
9da6609f
MR
1078 host_cc
1079 host_cflags
1080 host_ldflags
1081 host_libs
82bb3329 1082 host_os
684b28e0 1083 ld
426be5dc 1084 logfile
89641463 1085 nm
26759c44 1086 source_path
c5200f17
MR
1087 sysinclude
1088 sysroot
a7ada2ba 1089 target_exec
26759c44 1090 target_os
a7ada2ba 1091 target_path
426be5dc 1092"
520cc7f1 1093
89f2932b
MR
1094CMDLINE_APPEND="
1095 extra_cflags
1096"
1097
912f3148
DB
1098# code dependency declarations
1099
9eeed841 1100# architecture extensions
808fa33c 1101
a2fc0f6a
MR
1102armv5te_deps="arm"
1103armv6_deps="arm"
ab5cb084 1104armv6t2_deps="arm"
a2fc0f6a
MR
1105armvfp_deps="arm"
1106iwmmxt_deps="arm"
808fa33c
MR
1107neon_deps="arm"
1108
e241ba14 1109mmi_deps="mips"
808fa33c
MR
1110
1111altivec_deps="ppc"
1112ppc4xx_deps="ppc"
1113
1114vis_deps="sparc"
1115
e939cedd 1116x86_64_select="cmov fast_cmov"
808fa33c
MR
1117amd3dnow_deps="mmx"
1118amd3dnowext_deps="amd3dnow"
9eeed841 1119mmx_deps="x86"
75aa95a6 1120mmx2_deps="mmx"
75aa95a6
DB
1121sse_deps="mmx"
1122ssse3_deps="sse"
9eeed841 1123
e939cedd 1124fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1125fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1126fast_unaligned_if_any="armv6 ppc x86"
669b5583 1127
89e053f8 1128need_memalign="altivec neon sse"
6fec122a 1129inline_asm_deps="!tms470"
89e053f8 1130
5666fd73 1131# decoders / encoders / hardware accelerators
f1e94694 1132aac_decoder_select="fft mdct aac_parser"
84c04e25 1133aac_encoder_select="fft mdct"
5b423887 1134ac3_decoder_select="fft mdct ac3_parser"
f4d608e3 1135alac_encoder_select="lpc"
47a158cb 1136atrac3_decoder_select="fft mdct"
4f034993 1137cavs_decoder_select="golomb"
47a158cb 1138cook_decoder_select="fft mdct"
2eef7c62 1139cscd_decoder_suggest="zlib"
47a158cb 1140dca_decoder_select="fft mdct"
e8ed9b7a 1141dnxhd_encoder_select="aandct"
2eef7c62 1142dxa_decoder_select="zlib"
baf91bb9 1143eac3_decoder_select="ac3_decoder"
84c04e25 1144eamad_decoder_select="aandct"
e8ed9b7a 1145eatgq_decoder_select="aandct"
d52b39c7 1146eatqi_decoder_select="aandct"
4f034993
MR
1147ffv1_decoder_select="golomb"
1148flac_decoder_select="golomb"
f4d608e3 1149flac_encoder_select="golomb lpc"
2eef7c62
AJ
1150flashsv_decoder_select="zlib"
1151flashsv_encoder_select="zlib"
4414137e 1152flv_decoder_select="h263_decoder"
4d4b4bd1 1153flv_encoder_select="h263_encoder"
e8ed9b7a 1154h261_encoder_select="aandct"
7f647ae0 1155h263_decoder_select="h263_parser"
e8ed9b7a 1156h263_encoder_select="aandct"
ff418735 1157h263_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1158h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1159h263i_decoder_select="h263_decoder"
fe629c2d 1160h263p_encoder_select="h263_encoder"
4f034993 1161h264_decoder_select="golomb"
ff418735 1162h264_vaapi_hwaccel_deps="va_va_h"
17492d5e 1163h264_vaapi_hwaccel_select="vaapi"
711dae77 1164h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1165h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1166imc_decoder_select="fft mdct"
4f034993
MR
1167jpegls_decoder_select="golomb"
1168jpegls_encoder_select="golomb"
e8ed9b7a 1169ljpeg_encoder_select="aandct"
4f034993 1170loco_decoder_select="golomb"
e8ed9b7a 1171mjpeg_encoder_select="aandct"
2cca233b 1172mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1173mpeg1video_encoder_select="aandct"
1174mpeg2video_encoder_select="aandct"
4414137e 1175mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1176mpeg4_encoder_select="h263_encoder"
711dae77 1177mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1178mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
711dae77 1179mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1180mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
ff418735 1181mpeg2_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1182mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
ff418735 1183mpeg4_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1184mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871
NC
1185mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1186mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1187mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1188mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1189msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1190msmpeg4v1_encoder_select="h263_encoder"
4414137e 1191msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1192msmpeg4v2_encoder_select="h263_encoder"
4414137e 1193msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1194msmpeg4v3_encoder_select="h263_encoder"
47a158cb
MR
1195nellymoser_decoder_select="fft mdct"
1196nellymoser_encoder_select="fft mdct"
2eef7c62
AJ
1197png_decoder_select="zlib"
1198png_encoder_select="zlib"
63cae55d 1199qdm2_decoder_select="fft mdct rdft"
a8beb22f 1200rv10_decoder_select="h263_decoder"
b2bf38b4 1201rv10_encoder_select="h263_encoder"
a8beb22f 1202rv20_decoder_select="h263_decoder"
b2bf38b4 1203rv20_encoder_select="h263_encoder"
d52b39c7
AJ
1204rv30_decoder_select="golomb"
1205rv40_decoder_select="golomb"
4f034993
MR
1206shorten_decoder_select="golomb"
1207sonic_decoder_select="golomb"
1208sonic_encoder_select="golomb"
1209sonic_ls_encoder_select="golomb"
1210svq3_decoder_select="golomb"
bee2eac5 1211svq3_decoder_suggest="zlib"
4eef77c1 1212theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1213tiff_decoder_suggest="zlib"
1214tiff_encoder_suggest="zlib"
aec09a00 1215truehd_decoder_select="mlp_decoder"
2eef7c62 1216tscc_decoder_select="zlib"
f95bfab0 1217vc1_decoder_select="h263_decoder"
ff418735 1218vc1_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1219vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
711dae77 1220vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1221vc1_vdpau_decoder_select="vdpau vc1_decoder"
47a158cb
MR
1222vorbis_decoder_select="fft mdct"
1223vorbis_encoder_select="fft mdct"
e82dc4c9
DB
1224vp6a_decoder_select="vp6_decoder"
1225vp6f_decoder_select="vp6_decoder"
47a158cb
MR
1226wmav1_decoder_select="fft mdct"
1227wmav1_encoder_select="fft mdct"
1228wmav2_decoder_select="fft mdct"
1229wmav2_encoder_select="fft mdct"
f95bfab0 1230wmv1_decoder_select="h263_decoder"
665507aa 1231wmv1_encoder_select="h263_encoder"
f95bfab0 1232wmv2_decoder_select="h263_decoder"
1746e2a9 1233wmv2_encoder_select="h263_encoder"
015f8ee0
DB
1234wmv3_decoder_select="vc1_decoder"
1235wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1236wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1237zlib_decoder_select="zlib"
1238zlib_encoder_select="zlib"
1239zmbv_decoder_select="zlib"
1240zmbv_encoder_select="zlib"
30fd06be 1241
28b80940
DB
1242# parsers
1243h264_parser_select="golomb"
1244
f1e94694
DB
1245# bitstream_filters
1246aac_adtstoasc_bsf_select="aac_parser"
1247
912f3148 1248# external libraries
1b71f045 1249libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1250libdirac_encoder_deps="libdirac"
c9171a83 1251libfaac_encoder_deps="libfaac"
69ddbd1d 1252libfaad_decoder_deps="libfaad"
4ec45764 1253libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1254libgsm_decoder_deps="libgsm"
1255libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1256libgsm_ms_decoder_deps="libgsm"
1257libgsm_ms_encoder_deps="libgsm"
1cc60c47 1258libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1259libopencore_amrnb_decoder_deps="libopencore_amrnb"
1260libopencore_amrnb_encoder_deps="libopencore_amrnb"
1261libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1262libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1263libschroedinger_decoder_deps="libschroedinger"
1264libschroedinger_encoder_deps="libschroedinger"
ae14f311 1265libspeex_decoder_deps="libspeex"
150d2772 1266libtheora_encoder_deps="libtheora"
b0caf888 1267libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1268libx264_encoder_deps="libx264"
1269libxvid_encoder_deps="libxvid"
30fd06be 1270
912f3148 1271# demuxers / muxers
03a76ba9 1272ac3_demuxer_deps="ac3_parser"
647c2356 1273asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1274avisynth_demuxer_deps="avisynth"
1275dirac_demuxer_deps="dirac_parser"
5b423887 1276eac3_demuxer_select="ac3_parser"
647c2356 1277ipod_muxer_select="mov_muxer"
4e622dea
SS
1278libnut_demuxer_deps="libnut"
1279libnut_muxer_deps="libnut"
647c2356 1280matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1281matroska_demuxer_suggest="zlib bzlib"
1282mov_demuxer_suggest="zlib"
1283mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1284mp4_muxer_select="mov_muxer"
1285mpegtsraw_demuxer_select="mpegts_demuxer"
1286mxf_d10_muxer_select="mxf_muxer"
24ca518b 1287ogg_demuxer_select="golomb"
647c2356 1288psp_muxer_select="mov_muxer"
4e622dea
SS
1289rtsp_demuxer_deps="sdp_demuxer"
1290sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
f1e94694 1291spdif_muxer_select="aac_parser"
647c2356
DB
1292tg2_muxer_select="mov_muxer"
1293tgp_muxer_select="mov_muxer"
6bdaa5f4 1294w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1295
1296# indevs / outdevs
38e54a75
SS
1297alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1298alsa_indev_extralibs="-lasound"
1299alsa_outdev_deps="alsa_asoundlib_h"
1300alsa_outdev_extralibs="-lasound"
1301audio_beos_indev_deps="audio_beos"
1302audio_beos_indev_extralibs="-lmedia -lbe"
1303audio_beos_outdev_deps="audio_beos"
1304audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1305bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1306dv1394_indev_deps="dv1394 dv_demuxer"
1307jack_indev_deps="jack_jack_h"
1308jack_indev_extralibs="-ljack"
1309libdc1394_indev_deps="libdc1394"
38e54a75
SS
1310oss_indev_deps_any="soundcard_h sys_soundcard_h"
1311oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1312v4l_indev_deps="linux_videodev_h"
1313v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1314vfwcap_indev_deps="capCreateCaptureWindow"
1315vfwcap_indev_extralibs="-lvfw32"
1316x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1317x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1318
912f3148 1319# protocols
3fff6382 1320gopher_protocol_deps="network"
c08fb000 1321http_protocol_deps="network"
cbf29889 1322rtmp_protocol_deps="tcp_protocol"
c08fb000
AB
1323rtp_protocol_deps="udp_protocol"
1324tcp_protocol_deps="network"
1325udp_protocol_deps="network"
1326
f7679c54 1327# filters
81124ba0 1328movie_filter_deps="avfilter_lavf"
f7679c54 1329
912f3148 1330# programs
fa859b4d 1331ffplay_deps="sdl"
6ad42348 1332ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1333ffserver_extralibs='$ldl'
a2830dca 1334
c73f65d9 1335doc_deps="texi2html"
912f3148 1336
de6d9b64 1337# default parameters
8a608357 1338
2ba042a7 1339logfile="config.err"
8a608357
MR
1340
1341# installation paths
c9d19248
MR
1342prefix_default="/usr/local"
1343bindir_default='${prefix}/bin'
14a8acf1 1344datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1345incdir_default='${prefix}/include'
1346libdir_default='${prefix}/lib'
1347mandir_default='${prefix}/share/man'
1348shlibdir_default="$libdir_default"
8a608357
MR
1349
1350# toolchain
11e6d03a 1351ar="ar"
13c7df3d 1352cc_default="gcc"
a3d7c197 1353cc_version=\"unknown\"
9da6609f 1354host_cc_default="gcc"
11e6d03a 1355ln_s="ln -sf"
89641463 1356nm_default="nm"
11e6d03a 1357objformat="elf"
be7109c1 1358ranlib="ranlib"
0f3cb305 1359strip="strip"
11e6d03a 1360yasmexe="yasm"
8a608357
MR
1361
1362# machine
5e622c40 1363arch=$(uname -m)
38d0a8aa 1364cpu="generic"
8a608357 1365
8a608357 1366# OS
4f854758 1367target_os=$(tolower $(uname -s))
82bb3329 1368host_os=$target_os
8a608357 1369
8a608357 1370# configurable options
497237c7 1371enable debug
c73f65d9 1372enable doc
aa033b1e 1373enable fastdiv
497237c7
RP
1374enable ffmpeg
1375enable ffplay
1376enable ffserver
1377enable ipv6
497237c7
RP
1378enable mpegaudio_hp
1379enable network
8400d6b8 1380enable optimizations
497237c7 1381enable protocols
530dc538 1382enable static
87a0fb62 1383enable stripping
a9ddb5b1 1384enable swscale_alpha
8a608357 1385
8a608357 1386# build settings
9987769a 1387SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1388FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1389LIBPREF="lib"
1390LIBSUF=".a"
c5f14466
RP
1391FULLNAME='$(NAME)$(BUILDSUF)'
1392LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1393SLIBPREF="lib"
1394SLIBSUF=".so"
c5f14466 1395SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1396SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1397SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1398LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1399
7e6c86e6
MR
1400CC_O='-o $@'
1401
f0125de9 1402host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1403host_libs='-lm'
1404
a7ada2ba
MR
1405target_path='.'
1406
0d7dca36
DB
1407# gcc stupidly only outputs the basename of targets with -MM, but we need the
1408# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1409DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1410DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1411
c597172e 1412# find source path
5e622c40 1413source_path="$(dirname "$0")"
497237c7 1414enable source_path_used
24524f36 1415if test -f configure; then
5e622c40 1416 source_path="$(pwd)"
497237c7 1417 disable source_path_used
c597172e 1418else
5e622c40 1419 source_path="$(cd "$source_path"; pwd)"
c597172e 1420 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1421 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1422 test -e "$source_path/config.h" &&
1423 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1424fi
1425
13cbe2c0 1426for v in "$@"; do
b04251c5
MR
1427 r=${v#*=}
1428 l=${v%"$r"}
1429 r=$(sh_quote "$r")
13cbe2c0
MR
1430 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1431done
c597172e 1432
73ef8980
MR
1433find_things(){
1434 thing=$1
1435 pattern=$2
1436 file=$source_path/$3
932ccf39 1437 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1438}
1439
1440ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1441DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1442HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1443PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1444BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1445MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1446DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1447OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1448INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1449PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1450FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1451
7483e694
DB
1452enable $ARCH_EXT_LIST \
1453 $DECODER_LIST \
1454 $ENCODER_LIST \
5666fd73 1455 $HWACCEL_LIST \
7483e694
DB
1456 $PARSER_LIST \
1457 $BSF_LIST \
1458 $DEMUXER_LIST \
1459 $MUXER_LIST \
f7679c54 1460 $FILTER_LIST \
7483e694
DB
1461 $PROTOCOL_LIST \
1462 $INDEV_LIST \
1463 $OUTDEV_LIST \
c597172e
MR
1464
1465die_unknown(){
1466 echo "Unknown option \"$1\"."
1467 echo "See $0 --help for available options."
1468 exit 1
1469}
1470
794f8e97 1471show_list() {
bf0c4afa
RP
1472 suffix=_$1
1473 shift
1474 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1475 exit 0
1476}
1477
c597172e 1478for opt do
7483e694
DB
1479 optval="${opt#*=}"
1480 case "$opt" in
0f010b2f 1481 --extra-ldflags=*) add_ldflags $optval
7483e694 1482 ;;
0f010b2f 1483 --extra-libs=*) add_extralibs $optval
7483e694 1484 ;;
8fb1cb58 1485 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1486 ;;
40bcf4c7
BL
1487 --enable-debug=*) debuglevel="$optval"
1488 ;;
7483e694 1489 --enable-*=*|--disable-*=*)
8b93ddc3 1490 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1491 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1492 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1493 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1494 $action $(filter "$name" $list)
7483e694
DB
1495 ;;
1496 --enable-?*|--disable-?*)
5e622c40 1497 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1498 if is_in $option $COMPONENT_LIST; then
fed5d54b 1499 test $action = disable && action=unset
e3773a55
MR
1500 eval $action \$$(toupper ${option%s})_LIST
1501 elif is_in $option $CMDLINE_SELECT; then
1502 $action $option
1503 else
1504 die_unknown $opt
1505 fi
7483e694
DB
1506 ;;
1507 --list-*)
1508 NAME="${opt#--list-}"
1509 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1510 NAME=${NAME%s}
1511 eval show_list $NAME \$$(toupper $NAME)_LIST
1512 ;;
1513 --help|-h) show_help
1514 ;;
1515 *)
884a36a7 1516 optname="${opt%%=*}"
26759c44
MR
1517 optname="${optname#--}"
1518 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1519 if is_in $optname $CMDLINE_SET; then
1520 eval $optname='$optval'
1521 elif is_in $optname $CMDLINE_APPEND; then
1522 append $optname "$optval"
1523 else
1524 die_unknown $opt
1525 fi
7483e694
DB
1526 ;;
1527 esac
c597172e
MR
1528done
1529
bcea99bb
MR
1530disabled logging && logfile=/dev/null
1531
13cbe2c0 1532echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1533set >> $logfile
1534
9da6609f
MR
1535test -n "$cross_prefix" && enable cross_compile
1536
adb2b908 1537ar="${cross_prefix}${ar}"
11e6d03a 1538cc_default="${cross_prefix}${cc_default}"
20e0ed95 1539nm_default="${cross_prefix}${nm_default}"
adb2b908
RP
1540ranlib="${cross_prefix}${ranlib}"
1541strip="${cross_prefix}${strip}"
1542
c5200f17
MR
1543sysinclude_default="${sysroot}/usr/include"
1544
75800dce 1545set_default cc nm sysinclude
9da6609f
MR
1546enabled cross_compile || host_cc_default=$cc
1547set_default host_cc
13c7df3d 1548
82bb3329
MR
1549exesuf() {
1550 case $1 in
1551 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1552 esac
1553}
1554
1555EXESUF=$(exesuf $target_os)
1556HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1557
e4e69e0b 1558# set temporary file name
a49d42c2 1559: ${TMPDIR:=$TEMPDIR}
c51fafa1 1560: ${TMPDIR:=$TMP}
a49d42c2 1561: ${TMPDIR:=/tmp}
e4e69e0b 1562
54460a83
MR
1563if ! check_cmd type mktemp; then
1564 # simple replacement for missing mktemp
1565 # NOT SAFE FOR GENERAL USE
1566 mktemp(){
1567 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1568 }
1569fi
1570
1571tmpfile(){
1572 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1573 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1574 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1575 append TMPFILES $tmp
1576 eval $1=$tmp
1577}
1578
1579trap 'rm -f -- $TMPFILES' EXIT
1580trap exit HUP INT TERM
1581
1582tmpfile TMPC .c
1583tmpfile TMPE $EXESUF
1584tmpfile TMPH .h
1585tmpfile TMPO .o
1586tmpfile TMPS .S
a482e61b 1587tmpfile TMPV .ver
54460a83
MR
1588tmpfile TMPSH .sh
1589
1590unset -f mktemp
e4e69e0b 1591
993f2d0f
MR
1592# make sure we can execute files in $TMPDIR
1593cat > $TMPSH 2>> $logfile <<EOF
1594#! /bin/sh
1595EOF
1596chmod +x $TMPSH >> $logfile 2>&1
1597if ! $TMPSH >> $logfile 2>&1; then
1598 cat <<EOF
1599Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1600variable to another directory and make sure that it is not mounted noexec.
1601EOF
1602 die "Sanity test failed."
1603fi
993f2d0f 1604
19b4c628
MR
1605filter_cflags=echo
1606filter_cppflags=echo
1607filter_asflags=echo
1608
8f0c157a 1609if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1610 cc_type=gcc
a3d7c197 1611 cc_version=__VERSION__
aef6bd1b
MR
1612 if ! $cc -dumpversion | grep -q '^2\.'; then
1613 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1614 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1615 fi
629687f6
MR
1616elif $cc --version 2>/dev/null | grep -q Intel; then
1617 cc_type=icc
6e3fa35d 1618 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1619 CC_DEPFLAGS='-MMD'
1620 AS_DEPFLAGS='-MMD'
629687f6
MR
1621elif $cc -v 2>&1 | grep -q xlc; then
1622 cc_type=xlc
6e3fa35d 1623 cc_version="AV_STRINGIFY(__IBMC__)"
df442a8d
MR
1624elif $cc -V 2>/dev/null | grep -q Compaq; then
1625 cc_type=ccc
6e3fa35d 1626 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1627 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1628 debuglevel=3
df442a8d 1629 add_ldflags -Wl,-z,now # calls to libots crash without this
6a0d5493 1630elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1631 test -d "$sysroot" || die "No valid sysroot specified."
1632 cc_type=armcc
6e3fa35d 1633 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1634 armcc_conf="$PWD/armcc.conf"
1635 $cc --arm_linux_configure \
1636 --arm_linux_config_file="$armcc_conf" \
1637 --configure_sysroot="$sysroot" \
1638 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1639 die "Error creating armcc configuration file."
1640 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1641 as_default="${cross_prefix}gcc"
07dec06e
MR
1642 CC_DEPFLAGS='-MMD'
1643 AS_DEPFLAGS='-MMD'
6fec122a
MR
1644elif $cc -version 2>/dev/null | grep -q TMS470; then
1645 cc_type=tms470
6e3fa35d 1646 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1647 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1648 CC_O='-fr=$(@D)'
1649 as_default="${cross_prefix}gcc"
1650 ld_default="${cross_prefix}gcc"
6fec122a
MR
1651 TMPO=$(basename $TMPC .c).o
1652 append TMPFILES $TMPO
1653 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1654 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1655 AS_DEPFLAGS='-MMD'
6fec122a
MR
1656 filter_cflags=tms470_flags
1657 tms470_flags(){
1658 for flag; do
1659 case $flag in
1660 -march=*|-mcpu=*)
1661 case "${flag#*=}" in
1662 armv7-a|cortex-a*) echo -mv=7a8 ;;
1663 armv7-r|cortex-r*) echo -mv=7r4 ;;
1664 armv7-m|cortex-m*) echo -mv=7m3 ;;
1665 armv6*|arm11*) echo -mv=6 ;;
1666 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1667 echo -mv=5e ;;
1668 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1669 esac
1670 ;;
1671 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1672 -mfpu=vfp) echo --float_support=vfpv2 ;;
a2709020 1673 -msoft-float) echo --float_support=vfplib ;;
6fec122a
MR
1674 -Os) echo -O3 -mf=2 ;;
1675 -O[0-3]) echo $flag -mf=5 ;;
1676 -g) echo -g -mn ;;
1677 esac
1678 done
1679 }
06da6943
DC
1680elif $cc -v 2>&1 | grep -q clang; then
1681 cc_type=clang
1682 cc_version=__VERSION__
1683 CC_DEPFLAGS='-MMD'
1684 AS_DEPFLAGS='-MMD'
2a472e9c
MK
1685elif $cc -V 2>&1 | grep -q Sun; then
1686 cc_type=suncc
1687 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1688 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1689 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
03279bbe
MK
1690 filter_cflags=suncc_flags
1691 suncc_flags(){
1692 for flag; do
1693 case $flag in
1694 -march=*|-mcpu=*)
1695 case "${flag#*=}" in
1696 native) echo -xtarget=native ;;
1697 v9) echo -xarch=sparc ;;
1698 ultrasparc) echo -xarch=sparcvis ;;
1699 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1700 i586|pentium) echo -xchip=pentium ;;
1701 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1702 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1703 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1704 pentium4*) echo -xtarget=pentium4 ;;
1705 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1706 *-sse3) echo -xarch=sse3 ;;
1707 core2) echo -xarch=ssse3 -xchip=core2 ;;
1708 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1709 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1710 k8|opteron|athlon64|athlon-fx)
1711 echo -xarch=sse2a ;;
1712 athlon*) echo -xarch=pentium_proa ;;
1713 esac
1714 ;;
1715 -std=c99) echo -xc99 ;;
1716 -fomit-frame-pointer) echo -xregs=frameptr ;;
1717 -fPIC) echo -KPIC -xcode=pic32 ;;
1718 -Os) echo -O5 -xspace ;;
1719 -W*,*) echo $flag ;;
1720 -f*-*|-W*) ;;
1721 *) echo $flag ;;
1722 esac
1723 done
1724 }
629687f6
MR
1725fi
1726
1727test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1728
75bafbac 1729: ${as_default:=$cc}
50567afa 1730: ${dep_cc_default:=$cc}
684b28e0 1731: ${ld_default:=$cc}
50567afa 1732set_default as dep_cc ld
75800dce 1733
07dec06e
MR
1734test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1735test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1736
7f32f40c 1737add_cflags $extra_cflags
2f2e6c7c 1738add_asflags $extra_cflags
7f32f40c 1739
154d432c
MR
1740if test -n "$sysroot"; then
1741 case "$cc_type" in
1742 gcc)
467256f2 1743 add_cppflags --sysroot="$sysroot"
154d432c
MR
1744 add_ldflags --sysroot="$sysroot"
1745 ;;
6fec122a
MR
1746 tms470)
1747 add_cppflags -I"$sysinclude"
1748 add_ldflags --sysroot="$sysroot"
1749 ;;
06da6943
DC
1750 clang)
1751 add_cppflags -isysroot="$sysroot"
1752 add_ldflags -isysroot="$sysroot"
1753 ;;
154d432c
MR
1754 esac
1755fi
1756
d22c13a8
MR
1757if test "$cpu" = host; then
1758 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1759
1760 case "$cc_type" in
1761 gcc)
1762 check_native(){
1763 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1764 awk "/$1=/{ match(\$0, /$1=(\\w+)/, a);print a[1];exit }" $TMPE
1765 }
1766 cpu=$(check_native -march || check_native -mcpu)
1767 ;;
1768 esac
1769
1770 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1771fi
1772
e939cedd
MR
1773# Deal with common $arch aliases
1774case "$arch" in
1775 arm*)
1776 arch="arm"
1777 ;;
1778 mips|mipsel|IP*)
1779 arch="mips"
1780 ;;
1781 mips64)
1782 arch="mips"
1783 subarch="mips64"
1784 ;;
1785 parisc|hppa)
1786 arch="parisc"
1787 ;;
1788 parisc64|hppa64)
1789 arch="parisc"
1790 subarch="parisc64"
1791 ;;
1792 "Power Macintosh"|ppc|powerpc)
1793 arch="ppc"
1794 ;;
1795 ppc64)
1796 arch="ppc"
1797 subarch="ppc64"
1798 ;;
1799 s390|s390x)
1800 arch="s390"
1801 ;;
1802 sh4|sh)
1803 arch="sh4"
1804 ;;
1805 sun4u|sparc64)
1806 arch="sparc"
1807 subarch="sparc64"
1808 ;;
1809 i[3-6]86|i86pc|BePC|x86_64|amd64)
1810 arch="x86"
1811 ;;
1812esac
1813
1814is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1815enable $arch
e939cedd 1816
df5cdc24 1817# Add processor-specific flags
5d54c126
MR
1818if test "$cpu" = generic; then
1819 : do nothing
1820elif enabled ppc; then
343aef9b 1821
9dbd5c3d
MR
1822 case $cpu in
1823 601|ppc601|PowerPC601)
1824 cpuflags="-mcpu=601"
1825 ;;
1826 603*|ppc603*|PowerPC603*)
1827 cpuflags="-mcpu=603"
1828 ;;
1829 604*|ppc604*|PowerPC604*)
1830 cpuflags="-mcpu=604"
1831 ;;
1832 G3|g3|75*|ppc75*|PowerPC75*)
1833 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1834 ;;
1835 G4|g4|745*|ppc745*|PowerPC745*)
1836 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1837 ;;
1838 74*|ppc74*|PowerPC74*)
1839 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1840 ;;
1841 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1842 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1843 ;;
1844 Cell|CELL|cell)
1845 cpuflags="-mcpu=cell"
1846 enable ldbrx
1847 ;;
1848 esac
343aef9b
MR
1849
1850elif enabled x86; then
1851
9dbd5c3d
MR
1852 case $cpu in
1853 i[345]86|pentium)
1854 cpuflags="-march=$cpu"
1855 disable mmx
1856 ;;
1857 # targets that do NOT support conditional mov (cmov)
1858 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1859 cpuflags="-march=$cpu"
1860 disable cmov
1861 ;;
1862 # targets that do support conditional mov (cmov)
1863 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1864 cpuflags="-march=$cpu"
1865 enable cmov
1866 enable fast_cmov
1867 ;;
1868 # targets that do support conditional mov but on which it's slow
1869 pentium4|pentium4m|prescott|nocona)
1870 cpuflags="-march=$cpu"
1871 enable cmov
1872 disable fast_cmov
1873 ;;
1874 esac
343aef9b
MR
1875
1876elif enabled sparc; then
1877
9dbd5c3d
MR
1878 case $cpu in
1879 sparc64)
1880 cpuflags="-mcpu=v9"
1881 ;;
1882 esac
343aef9b
MR
1883
1884elif enabled arm; then
1885
34ba23c9
MR
1886 case $cpu in
1887 armv*)
1888 cpuflags="-march=$cpu"
1889 ;;
1890 *)
1891 cpuflags="-mcpu=$cpu"
1892 ;;
1893 esac
343aef9b
MR
1894
1895elif enabled alpha; then
1896
34ba23c9 1897 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
1898
1899elif enabled bfin; then
1900
34ba23c9 1901 cpuflags="-mcpu=$cpu"
343aef9b
MR
1902
1903elif enabled mips; then
1904
34ba23c9 1905 cpuflags="-march=$cpu"
343aef9b
MR
1906
1907elif enabled avr32; then
1908
9dbd5c3d
MR
1909 case $cpu in
1910 ap7[02]0[0-2])
1911 subarch="avr32_ap"
1912 cpuflags="-mpart=$cpu"
1913 ;;
1914 ap)
1915 subarch="avr32_ap"
1916 cpuflags="-march=$cpu"
1917 ;;
1918 uc3[ab]*)
1919 subarch="avr32_uc"
1920 cpuflags="-mcpu=$cpu"
1921 ;;
1922 uc)
1923 subarch="avr32_uc"
1924 cpuflags="-march=$cpu"
1925 ;;
1926 esac
df5cdc24 1927
343aef9b
MR
1928fi
1929
df5cdc24
MR
1930add_cflags $cpuflags
1931add_asflags $cpuflags
1932
993f2d0f
MR
1933# compiler sanity check
1934check_exec <<EOF
1935int main(void){ return 0; }
1936EOF
1937if test "$?" != 0; then
1938 echo "$cc is unable to create an executable file."
1939 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1940 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1941 echo "Only do this if you know what cross compiling means."
1942 fi
1943 die "C compiler test failed."
1944fi
1945
38a9c529 1946add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 1947check_cflags -std=c99
50a334e4 1948check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
1949#include <stdlib.h>
1950EOF
50a334e4 1951check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
1952#include <stdlib.h>
1953EOF
e9b9a2f8 1954
f0125de9
MR
1955check_host_cflags -std=c99
1956
b24dbcbd 1957case "$arch" in
e939cedd 1958 alpha|ia64|mips|parisc|sparc)
8a3c8627 1959 spic=$shared
b24dbcbd 1960 ;;
e939cedd 1961 x86)
cfdb6148 1962 subarch="x86_32"
e939cedd 1963 check_cc <<EOF && subarch="x86_64"
58b3536d 1964 int test[(int)sizeof(char*) - 7];
cfdb6148 1965EOF
de27f4d9 1966 if test "$subarch" = "x86_64"; then
e939cedd 1967 spic=$shared
de27f4d9 1968 fi
b24dbcbd 1969 ;;
b24dbcbd
RP
1970esac
1971
343aef9b 1972enable $subarch
8a3c8627 1973enabled spic && enable pic
5755bc88 1974check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
b24dbcbd 1975
7483e694 1976# OS specific
4f854758 1977case $target_os in
7483e694 1978 beos|haiku|zeta)
c9d19248 1979 prefix_default="$HOME/config"
7483e694 1980 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 1981 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
1982 case "$gcc_version" in
1983 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1984 disable mmx
1985 ;;
1986 *20010315*) echo "BeBits gcc"
0f010b2f 1987 add_cflags -fno-expensive-optimizations
7483e694
DB
1988 ;;
1989 esac
7483e694
DB
1990 SHFLAGS=-nostart
1991 # enable BeOS things
1992 enable audio_beos
1993 # no need for libm, but the inet stuff
1994 # Check for BONE
1995 # XXX: actually should check for NOT net_server
78fe7631 1996 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1997 network_extralibs="-lbind -lsocket"
1998 else
1999 enable beos_netserver
2000 network_extralibs="-lnet"
2001 fi ;;
2002 sunos)
2003 FFSERVERLDFLAGS=""
9987769a 2004 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2005 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2006 network_extralibs="-lsocket -lnsl"
50a334e4 2007 add_cppflags -D__EXTENSIONS__
7483e694
DB
2008 ;;
2009 netbsd)
07a8eef6
MR
2010 oss_indev_extralibs="-lossaudio"
2011 oss_outdev_extralibs="-lossaudio"
7483e694
DB
2012 ;;
2013 openbsd)
89e053f8 2014 enable malloc_aligned
7c4a001a
MR
2015 # On OpenBSD 4.5. the compiler does not use PIC unless
2016 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2017 # however the generated executable will not do anything
2018 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2019 # Thus explicitly enable PIC here.
cd78208b 2020 enable pic
7483e694 2021 SHFLAGS='-shared'
07a8eef6
MR
2022 oss_indev_extralibs="-lossaudio"
2023 oss_outdev_extralibs="-lossaudio"
7483e694 2024 ;;
90b4f091 2025 freebsd|dragonfly)
89e053f8 2026 enable malloc_aligned
7483e694
DB
2027 ;;
2028 bsd/os)
2029 osextralibs="-lpoll -lgnugetopt"
2030 strip="strip -d"
2031 ;;
2032 darwin)
89e053f8 2033 enable malloc_aligned
0138c54e 2034 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2035 strip="strip -x"
2036 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2037 SLIBSUF=".dylib"
2038 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2039 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2040 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2041 objformat="macho"
1b0f6fb8 2042 enabled x86_64 && objformat="macho64"
8dfa86f7 2043 enabled_any pic shared ||
2704bd1a 2044 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2045 ;;
2046 mingw32*)
ad7da0b5
RP
2047 # Only WinXP or greater are supported
2048 add_cflags -D_WIN32_WINNT=0x0501
9d3f4f50 2049 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2050 disable network
2051 else
2052 target_os=mingw32
2053 fi
dcc01c06 2054 LIBTARGET=i386
1fc9fb8a 2055 if enabled x86_64; then
89e053f8 2056 enable malloc_aligned
dcc01c06 2057 LIBTARGET=x64
336cc1b0
MS
2058 elif enabled arm; then
2059 LIBTARGET=arm
dcc01c06 2060 fi
fbd971a4 2061 shlibdir_default="$bindir_default"
7483e694
DB
2062 disable ffserver
2063 SLIBPREF=""
2064 SLIBSUF=".dll"
7483e694
DB
2065 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2066 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2067 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2068 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2069 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2070 install -d "$(LIBDIR)"; \
2071 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2072 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2073 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2074 objformat="win32"
bc574408 2075 enable dos_paths
1894e741 2076 check_cflags -fno-common
b1549d61 2077 if ! enabled x86_64; then
f7ad5aa2
RP
2078 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2079 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2080 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2081 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2082 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
f7ad5aa2 2083 fi
7483e694
DB
2084 ;;
2085 cygwin*)
4f854758 2086 target_os=cygwin
fbd971a4 2087 shlibdir_default="$bindir_default"
7483e694
DB
2088 SLIBPREF="cyg"
2089 SLIBSUF=".dll"
2090 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2091 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2092 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2093 objformat="win32"
bc574408 2094 enable dos_paths
1894e741 2095 check_cflags -fno-common
7483e694 2096 ;;
4f365f37 2097 *-dos|freedos|opendos)
fdf11906 2098 disable ffplay ffserver
4f365f37
MK
2099 disable $INDEV_LIST $OUTDEV_LIST
2100 network_extralibs="-lsocket"
ff1c015d 2101 objformat="coff"
bc574408 2102 enable dos_paths
4f365f37 2103 ;;
7483e694 2104 linux)
7483e694
DB
2105 enable dv1394
2106 ;;
2107 irix*)
4f854758 2108 target_os=irix
7483e694
DB
2109 ranlib="echo ignoring ranlib"
2110 ;;
d22e8442 2111 os/2*)
d22e8442
DY
2112 strip="lxlite"
2113 ln_s="cp -f"
d22e8442 2114 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2115 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2116 FFSERVERLDFLAGS=""
287d3b13 2117 LIBSUF="_s.a"
d22e8442
DY
2118 SLIBPREF=""
2119 SLIBSUF=".dll"
2120 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2121 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2122 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2123 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2124 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2125 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2126 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2127 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2128 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2129 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2130 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2131 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2132 enable dos_paths
d22e8442 2133 ;;
83993c1c
AM
2134 gnu/kfreebsd)
2135 ;;
34e82167 2136 gnu)
34e82167 2137 ;;
d22e8442 2138
7483e694 2139 *)
4f924f9a 2140 die "Unknown OS '$target_os'."
7483e694
DB
2141 ;;
2142esac
2143
c9d19248
MR
2144set_default $PATHS_LIST
2145
c597172e 2146add_extralibs $osextralibs
de6d9b64 2147
28d8e661
DB
2148# Combine FFLDFLAGS and the LDFLAGS environment variable.
2149LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2150
320d060a 2151# we need to build at least one lib type
93b3c083 2152if ! enabled_any static shared; then
320d060a
DB
2153 cat <<EOF
2154At least one library type must be built.
2155Specify --enable-static to build the static libraries or --enable-shared to
2156build the shared libraries as well. To only build the shared libraries specify
2157--disable-static in addition to --enable-shared.
2158EOF
2159 exit 1;
2160fi
2161
abc4e572 2162disabled static && LIBNAME=""
2a320695 2163
a2234ceb
RP
2164if enabled_any libfaad libfaadbin ; then
2165 if check_header faad.h; then
295b8c70 2166 check_cc <<EOF
a2234ceb
RP
2167#include <faad.h>
2168#ifndef FAAD2_VERSION
2169ok faad1
2170#endif
db817cf3 2171int main(void) { return 0; }
a2234ceb
RP
2172EOF
2173 test $? = 0 && enable libfaad2
2174 else
ff3dac65 2175 die "FAAD test failed."
a2234ceb
RP
2176 fi
2177fi
2178
2179
2184c6f7 2180die_license_disabled() {
4c27207c 2181 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2182}
2183
2184die_license_disabled gpl libfaad2
2185die_license_disabled gpl libx264
2186die_license_disabled gpl libxvid
2187die_license_disabled gpl postproc
2188die_license_disabled gpl x11grab
2189
2f7ae63b 2190die_license_disabled nonfree libfaac
b2e3c528 2191
0b175caa
DB
2192die_license_disabled version3 libopencore_amrnb
2193die_license_disabled version3 libopencore_amrwb
2194
9cad0e4e 2195enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2196
9eeed841 2197check_deps $ARCH_EXT_LIST
0f3cb305 2198
40617a6d 2199disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2200
e276d9e8
MR
2201enable_pic() {
2202 enable pic
bce7b696
MR
2203 add_cppflags -DPIC
2204 add_cflags -fPIC
2205 add_asflags -fPIC
e276d9e8
MR
2206}
2207
2208enabled pic && enable_pic
bce7b696 2209
b4d96ba2
MR
2210check_cc <<EOF || die "Symbol mangling check failed."
2211int ff_extern;
2212EOF
2f05d9c1 2213sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
2214extern_prefix=${sym%%ff_extern*}
2215
f65883c8
MR
2216check_cc <<EOF && enable inline_asm
2217void foo(void) { __asm__ volatile ("" ::); }
2218EOF
61d251db 2219
df5e3978
MR
2220_restrict=
2221for restrict_keyword in restrict __restrict__ __restrict; do
2222 check_cc <<EOF && _restrict=$restrict_keyword && break
2223void foo(char * $restrict_keyword p);
2224EOF
2225done
2226
2227check_cc <<EOF && enable attribute_packed
2228struct { int x; } __attribute__((packed)) x;
2229EOF
2230
2231check_cc <<EOF || die "endian test failed"
2232unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2233EOF
2234od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2235
e939cedd
MR
2236if enabled alpha; then
2237
2238 check_cflags -mieee
2239
2240elif enabled arm; then
e45391bb 2241
50fa82e6
MR
2242 check_cflags -marm
2243
fa0912fe
MR
2244 check_ld <<EOF && enable vfp_args
2245__asm__ (".eabi_attribute 28, 1");
2246int main(void) { return 0; }
2247EOF
2248
2249 # We have to check if pld is a nop and disable it.
2250 check_asm pld '"pld [r0]"'
2251
2252 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2253 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2254 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2255 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2256 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2257 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2258
e276d9e8
MR
2259 enabled_all armv6t2 shared !pic && enable_pic
2260
e939cedd
MR
2261elif enabled ia64; then
2262
2263 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2264 enabled shared && enable_weak hardcoded_tables
2265
fa0912fe 2266elif enabled mips; then
e45391bb 2267
fa0912fe
MR
2268 check_asm loongson '"dmult.g $1, $2, $3"'
2269 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2270
fa0912fe 2271elif enabled ppc; then
e45391bb 2272
fa0912fe
MR
2273 check_asm dcbzl '"dcbzl 0, 1"'
2274 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2275 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2276
2277 # AltiVec flags: The FSF version of GCC differs from the Apple version
2278 if enabled altivec; then
2279 check_cflags -maltivec -mabi=altivec &&
2280 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2281 check_cflags -faltivec
2282
2283 # check if our compiler supports Motorola AltiVec C API
2284 check_cc <<EOF || disable altivec
2285$inc_altivec_h
2286int main(void) {
2287 vector signed int v1, v2, v3;
2288 v1 = vec_add(v2,v3);
2289 return 0;
2290}
2291EOF
2292
2293 # check if our compiler supports braces for vector declarations
2294 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2295$inc_altivec_h
2296int main (void) { (vector int) {1}; return 0; }
2297EOF
2298 fi
e45391bb 2299
fa0912fe 2300elif enabled sparc; then
e45391bb 2301
fa0912fe
MR
2302 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2303 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2304
fa0912fe 2305elif enabled x86; then
e45391bb 2306
44965991
PI
2307 # check whether EBP is available on x86
2308 # As 'i' is stored on the stack, this program will crash
2309 # if the base pointer is used to access it because the
2310 # base pointer is cleared in the inline assembly code.
7dfef245 2311 check_exec_crash <<EOF && enable ebp_available
44965991 2312 volatile int i=0;
be449fca 2313 __asm__ volatile (
44965991
PI
2314 "xorl %%ebp, %%ebp"
2315 ::: "%ebp");
2316 return i;
44965991
PI
2317EOF
2318
f494213c 2319 # check whether EBX is available on x86
7cee5421
MR
2320 check_asm ebx_available '""::"b"(0)' &&
2321 check_asm ebx_available '"":::"%ebx"'
8e380710 2322
d3a4b4e0
DB
2323 # check whether more than 10 operands are supported
2324 check_cc <<EOF && enable ten_operands
2325int main(void) {
2326 int x=0;
2327 __asm__ volatile(
2328 ""
2329 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2330 );
2331 return 0;
2332}
2333EOF
2334
d7f0920b 2335 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2336 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2337 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2338
2339 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2340
d52481b9 2341 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2342 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2343 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2344 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2345 case "$objformat" in
2346 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2347 esac
7595a5e4 2348 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2349
669b5583
MR
2350 case "$cpu" in
2351 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2352 disable fast_clz
2353 ;;
2354 esac
2355
44965991
PI
2356fi
2357
a98bb16d
RP
2358if check_func dlopen; then
2359 ldl=
2360elif check_func dlopen -ldl; then
2361 ldl=-ldl
8bf5d58f
MN
2362fi
2363
75ecf149
DB
2364# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2365check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2366
7483e694 2367check_func fork
84882df6 2368check_func getaddrinfo $network_extralibs
7483e694
DB
2369check_func gethrtime
2370check_func getrusage
094c09bb 2371check_func inet_aton $network_extralibs
abfc8d05 2372check_func isatty
7483e694
DB
2373check_func memalign
2374check_func mkstemp
1f91cdce 2375check_func posix_memalign
b507ebd1 2376check_func_headers io.h setmode
e4673692 2377check_func_headers lzo/lzo1x.h lzo1x_999_compress
2446d3d6 2378check_func_headers windows.h GetProcessTimes
7c5bfe7a 2379check_func_headers windows.h VirtualAlloc
6ffa87d3 2380
e16e49ac 2381check_header conio.h
a98bb16d
RP
2382check_header dlfcn.h
2383check_header malloc.h
bf6ce82d 2384check_header poll.h
b58412f1 2385check_header sys/mman.h
b091aa44 2386check_header sys/resource.h
bf6ce82d 2387check_header sys/select.h
a98bb16d 2388check_header termios.h
272081b0
CEH
2389check_header vdpau/vdpau.h
2390check_header vdpau/vdpau_x11.h
68178ca9 2391check_header X11/extensions/XvMClib.h
a98bb16d 2392
89e053f8
MR
2393if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2394 enabled_any $need_memalign ; then
1f91cdce 2395 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2396fi
e16e49ac 2397
a4fa192c 2398disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2399disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2400
2401# check for some common methods of building with pthread support
2402# do this before the optional library checks as some of them require pthreads
2403if enabled pthreads; then
9e7fd101
MR
2404 if check_func pthread_create; then
2405 :
2406 elif check_func pthread_create -pthread; then
2407 add_cflags -pthread
afc9aee2 2408 add_extralibs -pthread
9e7fd101
MR
2409 elif check_func pthread_create -pthreads; then
2410 add_cflags -pthreads
afc9aee2 2411 add_extralibs -pthreads
8d94f606
GT
2412 elif check_func pthread_create -lpthreadGC2; then
2413 add_extralibs -lpthreadGC2
9e7fd101
MR
2414 elif ! check_lib pthread.h pthread_create -lpthread; then
2415 die "ERROR: can't find pthreads library"
2416 fi
57bd82d4
MR
2417fi
2418
8eee7025 2419for thread in $THREADS_LIST; do
e5f94c2b 2420 if enabled $thread; then
3ae3b721
RP
2421 test -n "$thread_type" &&
2422 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2423 thread_type="$thread"
e5f94c2b
RP
2424 fi
2425done
2426
fdf88598 2427check_lib math.h sin -lm
ff418735 2428check_lib va/va.h vaInitialize -lva
fdf88598 2429
6b7c7703
VS
2430check_func exp2
2431check_func exp2f
ad420e25
MR
2432check_func llrint
2433check_func log2
6b7c7703 2434check_func log2f
ad420e25
MR
2435check_func lrint
2436check_func lrintf
2437check_func round
2438check_func roundf
2439check_func truncf
f32adb22 2440
57bd82d4 2441# these are off by default, so fail if requested and not available
79fda097 2442enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
e3cc7d6f 2443enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2444 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2445 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2446enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2447enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694 2448enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2bfecf73 2449enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2450enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2451enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2452enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2453enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2454enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2455 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2456enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2457enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2458enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
e69bb386 2459enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
096c87f6
JGG
2460 { check_cpp_condition x264.h "X264_BUILD >= 79" ||
2461 die "ERROR: libx264 version must be >= 0.79."; }
2bfecf73 2462enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2463enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2464
0b4a1821
AS
2465# libdc1394 check
2466if enabled libdc1394; then
2467 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2468 enable libdc1394_2; } ||
2469 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2470 enable libdc1394_1; } ||
2471 die "ERROR: No version of libdc1394 found "
2472fi
2473
6a1a892f 2474SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2475if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2476 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2477 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2478 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2479 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2480 enable sdl &&
2481 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2482fi
57bd82d4 2483
2270b4b2 2484texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2485
73b46a95 2486if enabled network; then
96000432 2487 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2488 check_type netdb.h "struct addrinfo"
33a4dbdd 2489 check_type sys/socket.h "struct sockaddr_storage"
73b46a95
RP
2490 # Prefer arpa/inet.h over winsock2
2491 if check_header arpa/inet.h ; then
2492 check_func closesocket
2493 elif check_header winsock2.h ; then
f4c13872
MS
2494 check_func_headers winsock2.h closesocket -lws2 && \
2495 network_extralibs="-lws2" || \
2496 { check_func_headers winsock2.h closesocket -lws2_32 && \
2497 network_extralibs="-lws2_32"; }
72be9e73 2498 check_type ws2tcpip.h socklen_t
c0018613 2499 check_type ws2tcpip.h "struct addrinfo"
33a4dbdd 2500 check_type ws2tcpip.h "struct sockaddr_storage"
28c9f069
MK
2501 else
2502 disable network
73b46a95
RP
2503 fi
2504fi
2505
b6f3d925 2506enabled_all network ipv6 && check_ld <<EOF || disable ipv6
7a91333f
HZ
2507#include <sys/types.h>
2508#include <sys/socket.h>
2509#include <netinet/in.h>
2510#include <netdb.h>
db817cf3 2511int main(void) {
7483e694
DB
2512 struct sockaddr_storage saddr;
2513 struct ipv6_mreq mreq6;
2514 getaddrinfo(0,0,0,0);
2515 getnameinfo(0,0,0,0,0,0,0);
2516 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
2517}
2518EOF
2519
06e31011
RP
2520check_header linux/videodev.h
2521check_header linux/videodev2.h
1b6e8b73 2522check_header sys/videoio.h
47f38850 2523
2446d3d6 2524check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 2525
f8aa696f 2526# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2527{ check_header dev/bktr/ioctl_meteor.h &&
2528 check_header dev/bktr/ioctl_bt848.h; } ||
2529{ check_header machine/ioctl_meteor.h &&
2530 check_header machine/ioctl_bt848.h; } ||
2531{ check_header dev/video/meteor/ioctl_meteor.h &&
2532 check_header dev/video/bktr/ioctl_bt848.h; } ||
2533check_header dev/ic/bt8xx.h
f8aa696f 2534
c7682de0
RP
2535check_header sys/soundcard.h
2536check_header soundcard.h
deb29777 2537
b6f3d925 2538enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2539
0e57fe17 2540enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2541
56a059ac 2542enabled x11grab &&
f58f4ce1
GP
2543check_header X11/Xlib.h &&
2544check_header X11/extensions/XShm.h &&
0a045661 2545check_header X11/extensions/Xfixes.h &&
f58f4ce1 2546check_func XOpenDisplay -lX11 &&
781c1aa6
R
2547check_func XShmCreateImage -lX11 -lXext &&
2548check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2549
598ef02b 2550if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2551check_cpp_condition \
2552 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2553 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2554 disable vdpau; }
abf649c7 2555fi
deda2a4a 2556
95e561ec 2557enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2558
2559# add some useful compiler flags if supported
2560check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2561check_cflags -Wall
2562check_cflags -Wno-switch
c07bd6a9
MN
2563check_cflags -Wdisabled-optimization
2564check_cflags -Wpointer-arith
2565check_cflags -Wredundant-decls
cc1fb623 2566check_cflags -Wno-pointer-sign
f4929996 2567check_cflags -Wcast-qual
9aceb3cf 2568check_cflags -Wwrite-strings
652a5bf6 2569check_cflags -Wtype-limits
764551c6 2570check_cflags -Wundef
5af4e0cc 2571enabled extra_warnings && check_cflags -Winline
cf9d24ad 2572
57bd82d4 2573# add some linker flags
5c0e9479 2574check_ldflags -Wl,--warn-common
8351d2ba
DB
2575check_ldflags -Wl,--as-needed
2576check_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 2577check_ldflags -Wl,-Bsymbolic
94a3401e 2578
a482e61b
MR
2579echo "X{};" > $TMPV
2580test_ldflags -Wl,--version-script,$TMPV &&
2581 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2582
bd2216e4
MR
2583if enabled small; then
2584 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
2585 optimizations="small"
2586elif enabled optimizations; then
629687f6 2587 if enabled xlc; then
0f010b2f
DB
2588 add_cflags -O5
2589 add_ldflags -O5
03279bbe
MK
2590 elif enabled suncc; then
2591 add_cflags -O5
df442a8d
MR
2592 elif enabled ccc; then
2593 add_cflags -fast
cf9d24ad 2594 else
0f010b2f 2595 add_cflags -O3
cf9d24ad 2596 fi
cddf3f45 2597fi
11fdbc44 2598check_cflags -fno-math-errno
b2eb2ff0 2599check_cflags -fno-signed-zeros
cddf3f45 2600
629687f6 2601if enabled icc; then
b1598b58
MR
2602 # Just warnings, no remarks
2603 check_cflags -w1
2604 # -wd: Disable following warnings
2605 # 144, 167, 556: -Wno-pointer-sign
2606 # 10006: ignoring unknown option -fno-signed-zeros
2607 # 10156: ignoring option '-W'; no argument required
2608 check_cflags -wd144,167,556,10006,10156
2609 # 11030: Warning unknown option --as-needed
2610 # 10156: ignoring option '-export'; no argument required
2611 check_ldflags -wd10156,11030
2612 # Allow to compile with optimizations
2613 check_ldflags -march=$cpu
be2cf98a
CEH
2614 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2615 enable ebp_available
df442a8d
MR
2616elif enabled ccc; then
2617 # disable some annoying warnings
2618 add_cflags -msg_disable cvtu32to64
2619 add_cflags -msg_disable embedcomment
2620 add_cflags -msg_disable needconstext
2621 add_cflags -msg_disable nomainieee
2622 add_cflags -msg_disable ptrmismatch1
2623 add_cflags -msg_disable unreachcode
973859f5
MR
2624elif enabled gcc; then
2625 check_cflags -fno-tree-vectorize
06da6943
DC
2626elif enabled clang; then
2627 check_cflags -Qunused-arguments
504a64b9
CEH
2628fi
2629
90be59ef 2630if enabled gprof; then
0f010b2f
DB
2631 add_cflags -p
2632 add_ldflags -p
1db54e20
DB
2633fi
2634
7f3c02fc 2635# Find out if the .align argument is a power of two or not.
9377b6ce 2636check_asm asmalign_pot '".align 3"'
4454dc1b 2637
7483e694
DB
2638enabled_any $DECODER_LIST && enable decoders
2639enabled_any $ENCODER_LIST && enable encoders
5666fd73 2640enabled_any $HWACCEL_LIST && enable hwaccels
7483e694
DB
2641enabled_any $BSF_LIST && enable bsfs
2642enabled_any $DEMUXER_LIST && enable demuxers
2643enabled_any $MUXER_LIST && enable muxers
f7679c54 2644enabled_any $FILTER_LIST && enable filters
63d72fda
DB
2645enabled_any $INDEV_LIST && enable indevs
2646enabled_any $OUTDEV_LIST && enable outdevs
7483e694
DB
2647enabled_any $PROTOCOL_LIST && enable protocols
2648
2649enabled_any $THREADS_LIST && enable threads
2650
2651check_deps $CONFIG_LIST \
b6bb00b0 2652 $CONFIG_EXTRA \
7483e694
DB
2653 $HAVE_LIST \
2654 $DECODER_LIST \
2655 $ENCODER_LIST \
5666fd73 2656 $HWACCEL_LIST \
7483e694
DB
2657 $PARSER_LIST \
2658 $BSF_LIST \
2659 $DEMUXER_LIST \
2660 $MUXER_LIST \
f7679c54 2661 $FILTER_LIST \
7483e694
DB
2662 $INDEV_LIST \
2663 $OUTDEV_LIST \
2664 $PROTOCOL_LIST \
f70f03f6 2665
3e89171a 2666echo "install prefix $prefix"
f36958f8
DB
2667echo "source path $source_path"
2668echo "C compiler $cc"
bfd5afd8 2669echo ".align is power-of-two $asmalign_pot"
f36958f8 2670echo "ARCH $arch ($cpu)"
ce8871c2
MR
2671if test "$build_suffix" != ""; then
2672 echo "build suffix $build_suffix"
eb94aca9 2673fi
ac63af34
DB
2674if test "$extra_version" != ""; then
2675 echo "version string suffix $extra_version"
2676fi
0db2ce77 2677echo "big-endian ${bigendian-no}"
e90f5b5a 2678echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2679if enabled x86; then
af44e8e4 2680 echo "yasm ${yasm-no}"
0db2ce77 2681 echo "MMX enabled ${mmx-no}"
30e98e62 2682 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2683 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2684 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2685 echo "SSE enabled ${sse-no}"
30e98e62 2686 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2687 echo "CMOV enabled ${cmov-no}"
2688 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2689 echo "EBX available ${ebx_available-no}"
2690 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2691 echo "10 operands supported ${ten_operands-no}"
e41e8342 2692fi
5b6c2cbd 2693if enabled arm; then
0db2ce77
MR
2694 echo "ARMv5TE enabled ${armv5te-no}"
2695 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2696 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2697 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2698 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2699 echo "NEON enabled ${neon-no}"
eba9ae3c 2700fi
5b6c2cbd 2701if enabled mips; then
0db2ce77 2702 echo "MMI enabled ${mmi-no}"
e41e8342 2703fi
5b6c2cbd 2704if enabled ppc; then
0db2ce77 2705 echo "AltiVec enabled ${altivec-no}"
30e98e62 2706 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2707 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2708 echo "performance report ${powerpc_perf-no}"
2709fi
2710if enabled sparc; then
2711 echo "VIS enabled ${vis-no}"
e41e8342 2712fi
0db2ce77
MR
2713echo "gprof enabled ${gprof-no}"
2714echo "debug symbols ${debug-no}"
87a0fb62 2715echo "strip symbols ${stripping-no}"
8400d6b8 2716echo "optimizations ${optimizations-no}"
0db2ce77
MR
2717echo "static ${static-no}"
2718echo "shared ${shared-no}"
4a24ab64 2719echo "postprocessing support ${postproc-no}"
f7679c54 2720echo "new filter support ${avfilter-no}"
81124ba0 2721echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2722echo "network support ${network-no}"
90be59ef 2723if enabled network; then
0db2ce77 2724 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2725fi
0db2ce77
MR
2726echo "threading support ${thread_type-no}"
2727echo "SDL support ${sdl-no}"
0db2ce77
MR
2728echo "Sun medialib support ${mlib-no}"
2729echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2730echo "libdc1394 support ${libdc1394-no}"
690bfceb 2731echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2732echo "libfaac enabled ${libfaac-no}"
2733echo "libfaad enabled ${libfaad-no}"
7e0871a7 2734echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2735echo "libgsm enabled ${libgsm-no}"
2736echo "libmp3lame enabled ${libmp3lame-no}"
2737echo "libnut enabled ${libnut-no}"
0b175caa
DB
2738echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2739echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2740echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2741echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2742echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2743echo "libtheora enabled ${libtheora-no}"
2744echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2745echo "libx264 enabled ${libx264-no}"
2746echo "libxvid enabled ${libxvid-no}"
0db2ce77 2747echo "zlib enabled ${zlib-no}"
f402916e 2748echo "bzlib enabled ${bzlib-no}"
2c62e737 2749echo
de6d9b64 2750
5666fd73 2751for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2752 echo "Enabled ${type}s:"
f65c9da1 2753 eval list=\$$(toupper $type)_LIST
8138b9db 2754 for part in $list; do
f65c9da1
MR
2755 enabled $part && echo ${part%_*}
2756 done | sort | pr -3 -t
2757 echo
8138b9db
RP
2758done
2759
ba7a7039 2760license="LGPL version 2.1 or later"
ba321adb 2761if enabled nonfree; then
ba7a7039 2762 license="nonfree and unredistributable"
9cad0e4e
DB
2763elif enabled gplv3; then
2764 license="GPL version 3 or later"
2765elif enabled lgplv3; then
2766 license="LGPL version 3 or later"
ba321adb 2767elif enabled gpl; then
ba7a7039 2768 license="GPL version 2 or later"
ba321adb
JK
2769fi
2770
2771echo "License: $license"
ca5323af 2772
cf1392e9
DB
2773echo "Creating config.mak and config.h..."
2774
ad212cc6
MR
2775enabled stripping || strip="echo skipping strip"
2776
173c983b
MR
2777cat > config.mak <<EOF
2778# Automatically generated by configure - do not modify!
2779ifndef FFMPEG_CONFIG_MAK
2780FFMPEG_CONFIG_MAK=1
2781FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2782prefix=$prefix
2783LIBDIR=\$(DESTDIR)$libdir
2784SHLIBDIR=\$(DESTDIR)$shlibdir
2785INCDIR=\$(DESTDIR)$incdir
2786BINDIR=\$(DESTDIR)$bindir
2787DATADIR=\$(DESTDIR)$datadir
2788MANDIR=\$(DESTDIR)$mandir
2789SRC_PATH="$source_path"
2790SRC_PATH_BARE=$source_path
2791BUILD_ROOT="$PWD"
2792ARCH=$arch
2793CC=$cc
2794AS=$as
2795LD=$ld
2796DEPCC=$dep_cc
2797YASM=$yasmexe
2798AR=$ar
2799RANLIB=$ranlib
2800LN_S=$ln_s
2801STRIP=$strip
2802CPPFLAGS=$CPPFLAGS
2803CFLAGS=$CFLAGS
2804ASFLAGS=$ASFLAGS
2805CC_O=$CC_O
2806LDFLAGS=$LDFLAGS
2807FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2808SHFLAGS=$SHFLAGS
2809YASMFLAGS=$YASMFLAGS
2810BUILDSUF=$build_suffix
2811FULLNAME=$FULLNAME
2812LIBPREF=$LIBPREF
2813LIBSUF=$LIBSUF
2814LIBNAME=$LIBNAME
2815SLIBPREF=$SLIBPREF
2816SLIBSUF=$SLIBSUF
2817EXESUF=$EXESUF
2818EXTRA_VERSION=$extra_version
2819DEPFLAGS=$DEPFLAGS
2820CCDEP=$CCDEP
2821ASDEP=$ASDEP
2822CC_DEPFLAGS=$CC_DEPFLAGS
2823AS_DEPFLAGS=$AS_DEPFLAGS
2824HOSTCC=$host_cc
2825HOSTCFLAGS=$host_cflags
2826HOSTEXESUF=$HOSTEXESUF
2827HOSTLDFLAGS=$host_ldflags
2828HOSTLIBS=$host_libs
2829TARGET_EXEC=$target_exec
2830TARGET_PATH=$target_path
2831SDL_LIBS=$sdl_libs
2832SDL_CFLAGS=$sdl_cflags
2833LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2834EXTRALIBS=$extralibs
2835EOF
5a872801 2836
719c8e00
MR
2837get_version(){
2838 name=$1
2839 file=$source_path/$2
147e7692
MR
2840 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2841 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2842 lcname=$(tolower $name)
2843 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2844 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2845}
2846
147e7692
MR
2847get_version LIBSWSCALE libswscale/swscale.h
2848get_version LIBPOSTPROC libpostproc/postprocess.h
2849get_version LIBAVCODEC libavcodec/avcodec.h
2850get_version LIBAVDEVICE libavdevice/avdevice.h
2851get_version LIBAVFORMAT libavformat/avformat.h
2852get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2853get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2854
173c983b
MR
2855enabled shared && cat >> config.mak <<EOF
2856LIBTARGET=${LIBTARGET}
2857SLIBNAME=${SLIBNAME}
2858SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2859SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2860SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2861SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2862SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2863SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2864EOF
523ef551 2865
173c983b
MR
2866enabled asmalign_pot || align_shift="1 <<"
2867
2868cat > $TMPH <<EOF
2869/* Automatically generated by configure - do not modify! */
2870#ifndef FFMPEG_CONFIG_H
2871#define FFMPEG_CONFIG_H
2872#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 2873#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
2874#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2875#define CC_TYPE "$cc_type"
2876#define CC_VERSION $cc_version
2877#define restrict $_restrict
2878#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
2879#define EXTERN_PREFIX "${extern_prefix}"
2880#define EXTERN_ASM ${extern_prefix}
2881EOF
523ef551
DB
2882
2883if enabled small || disabled optimizations; then
2884 echo "#define av_always_inline" >> $TMPH
2885fi
2886
3d907e22
MR
2887print_config ARCH_ $TMPH config.mak $ARCH_LIST
2888print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2889print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2890 $CONFIG_EXTRA \
7483e694
DB
2891 $DECODER_LIST \
2892 $ENCODER_LIST \
5666fd73 2893 $HWACCEL_LIST \
7483e694
DB
2894 $PARSER_LIST \
2895 $BSF_LIST \
2896 $DEMUXER_LIST \
2897 $MUXER_LIST \
f7679c54 2898 $FILTER_LIST \
7483e694
DB
2899 $PROTOCOL_LIST \
2900 $INDEV_LIST \
2901 $OUTDEV_LIST \
8ac17293 2902
9c05103f 2903echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 2904echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 2905
b7860763 2906# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2907cmp -s $TMPH config.h &&
2908 echo "config.h is unchanged" ||
2909 mv -f $TMPH config.h
3d204385 2910
165af439 2911# build tree in object directory if source path is different from current one
90be59ef 2912if enabled source_path_used; then
b767b9cd
MR
2913 DIRS="
2914 doc
2915 libavcodec
2916 libavcodec/$arch
2917 libavdevice
2918 libavfilter
2919 libavformat
2920 libavutil
2921 libavutil/$arch
2922 libpostproc
2923 libswscale
2924 libswscale/$arch
2925 tests
2926 tools
2927 "
2928 FILES="
2929 Makefile
2930 common.mak
2931 subdir.mak
2932 doc/texi2pod.pl
2933 libavcodec/Makefile
2934 libavdevice/Makefile
2935 libavfilter/Makefile
2936 libavformat/Makefile
2937 libavutil/Makefile
2938 libpostproc/Makefile
2939 libswscale/Makefile
2940 "
165af439 2941 for dir in $DIRS ; do
7483e694 2942 mkdir -p $dir
165af439
MR
2943 done
2944 for f in $FILES ; do
20369773 2945 $ln_s "$source_path/$f" $f
165af439
MR
2946 done
2947fi
def4272a 2948
def4272a 2949
d0674868 2950# build pkg-config files
def4272a 2951
d0674868
DB
2952pkgconfig_generate(){
2953name=$1
b0dfd108 2954shortname=${name#lib}${build_suffix}
d0674868
DB
2955comment=$2
2956version=$3
2957libs=$4
2958requires=$5
25cd5cb3 2959cat <<EOF > $name/$name.pc
3e89171a 2960prefix=$prefix
a94e666c 2961exec_prefix=\${prefix}
f2b7382c 2962libdir=$libdir
7622778e 2963includedir=$incdir
def4272a 2964
d0674868
DB
2965Name: $name
2966Description: $comment
2967Version: $version
8cd6b388 2968Requires: $(enabled shared || echo $requires)
5dcfe9f8 2969Requires.private: $(enabled shared && echo $requires)
def4272a 2970Conflicts:
8cd6b388 2971Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 2972Libs.private: $(enabled shared && echo $libs)
76a448ed 2973Cflags: -I\${includedir}
def4272a 2974EOF
25cd5cb3 2975cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2976prefix=
2977exec_prefix=
46d1ff83 2978libdir=\${pcfiledir}
1d44d365 2979includedir=${source_path}
def4272a 2980
d0674868
DB
2981Name: $name
2982Description: $comment
2983Version: $version
2984Requires: $requires
def4272a 2985Conflicts:
12701f6e 2986Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2987Cflags: -I\${includedir}
2988EOF
d0674868 2989}
def4272a 2990
e426941d 2991pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
2992pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2993pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2994pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2995enabled avfilter &&
46983309 2996 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2997enabled postproc &&
e426941d 2998 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 2999pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"