Fix typo: explixitly -> explicitly.
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
f57620d5
MR
3# FFmpeg configure script
4#
949906ea
DB
5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
79ab96ba
DB
11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
c21d6325
MR
15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
MR
20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
MR
24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
MR
27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
MR
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
MR
43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
505dfb09
DB
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
c21d6325
MR
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
MR
54 exit 1
55fi
56
74c53c2d
MR
57show_help(){
58 echo "Usage: configure [options]"
59 echo "Options: [defaults in brackets after descriptions]"
60 echo
61 echo "Standard options:"
62 echo " --help print this message"
8c6afa4d
DB
63 echo " --logfile=FILE log tests and output to FILE [config.err]"
64 echo " --disable-logging do not log configure debug information"
3e89171a 65 echo " --prefix=PREFIX install in PREFIX [$prefix]"
d156bede 66 echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
14a8acf1 67 echo " --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]"
74c53c2d 68 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
84c22efd 69 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
5341d856 70 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
4ca5ece5 71 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
62560865
DB
72 echo
73 echo "Configuration options:"
e6b9d588
DB
74 echo " --disable-static do not build static libraries [no]"
75 echo " --enable-shared build shared libraries [no]"
0a23c0bb
DB
76 echo " --enable-gpl allow use of GPL code, the resulting libs"
77 echo " and binaries will be under GPL [no]"
78 echo " --enable-nonfree allow use of nonfree code, the resulting libs"
79 echo " and binaries will be unredistributable [no]"
62560865
DB
80 echo " --disable-ffmpeg disable ffmpeg build"
81 echo " --disable-ffplay disable ffplay build"
82 echo " --disable-ffserver disable ffserver build"
e6b9d588 83 echo " --enable-postproc enable GPLed postprocessing support [no]"
0a23c0bb 84 echo " --enable-swscale enable GPLed software scaler support [no]"
e6b9d588 85 echo " --enable-avfilter video filter support (replaces vhook) [no]"
0a23c0bb 86 echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
4f50c3d5 87 echo " --disable-vhook disable video hooking support"
e6b9d588
DB
88 echo " --enable-beosthreads use BeOS threads [no]"
89 echo " --enable-os2threads use OS/2 threads [no]"
90 echo " --enable-pthreads use pthreads [no]"
91 echo " --enable-w32threads use Win32 threads [no]"
92 echo " --enable-x11grab enable X11 grabbing [no]"
732c9a34 93 echo " --enable-vdpau enable VDPAU support [no]"
62560865
DB
94 echo " --disable-network disable network support [no]"
95 echo " --disable-ipv6 disable IPv6 support [no]"
96 echo " --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]"
97 echo " --enable-gray enable full grayscale support (slower color)"
242e2270 98 echo " --enable-fastdiv enable table-based division"
62560865
DB
99 echo " --enable-small optimize for size instead of speed"
100 echo " --disable-aandct disable AAN DCT code"
101 echo " --disable-fft disable FFT code"
102 echo " --disable-golomb disable Golomb code"
103 echo " --disable-mdct disable MDCT code"
68602540 104 echo " --disable-rdft disable RDFT code"
62560865
DB
105 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
106 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
107 echo " --enable-beos-netserver enable BeOS netserver"
108 echo " --disable-encoder=NAME disable encoder NAME"
109 echo " --enable-encoder=NAME enable encoder NAME"
110 echo " --disable-encoders disable all encoders"
111 echo " --disable-decoder=NAME disable decoder NAME"
112 echo " --enable-decoder=NAME enable decoder NAME"
113 echo " --disable-decoders disable all decoders"
114 echo " --disable-muxer=NAME disable muxer NAME"
115 echo " --enable-muxer=NAME enable muxer NAME"
116 echo " --disable-muxers disable all muxers"
117 echo " --disable-demuxer=NAME disable demuxer NAME"
118 echo " --enable-demuxer=NAME enable demuxer NAME"
119 echo " --disable-demuxers disable all demuxers"
120 echo " --enable-parser=NAME enable parser NAME"
121 echo " --disable-parser=NAME disable parser NAME"
122 echo " --disable-parsers disable all parsers"
123 echo " --enable-bsf=NAME enable bitstream filter NAME"
124 echo " --disable-bsf=NAME disable bitstream filter NAME"
125 echo " --disable-bsfs disable all bitstream filters"
126 echo " --enable-protocol=NAME enable protocol NAME"
127 echo " --disable-protocol=NAME disable protocol NAME"
128 echo " --disable-protocols disable all protocols"
129 echo " --disable-indevs disable input devices"
130 echo " --disable-outdevs disable output devices"
131 echo " --disable-devices disable all devices"
132 echo " --enable-filter=NAME enable filter NAME"
133 echo " --disable-filter=NAME disable filter NAME"
134 echo " --disable-filters disable all filters"
135 echo " --list-decoders show all available decoders"
136 echo " --list-encoders show all available encoders"
137 echo " --list-muxers show all available muxers"
138 echo " --list-demuxers show all available demuxers"
139 echo " --list-parsers show all available parsers"
140 echo " --list-protocols show all available protocols"
141 echo " --list-bsfs show all available bitstream filters"
142 echo " --list-indevs show all available input devices"
143 echo " --list-outdevs show all available output devices"
144 echo " --list-filters show all available filters"
0a622b98
MR
145 echo
146 echo "External library support:"
0a23c0bb 147 echo " --enable-avisynth enable reading of AVISynth script files [no]"
27cb5cbc
CEH
148 echo " --enable-bzlib enable bzlib [autodetect]"
149 echo " --enable-libamr-nb enable libamr-nb floating point audio codec [no]"
150 echo " --enable-libamr-wb enable libamr-wb floating point audio codec [no]"
f7b8bffe 151 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
e6b9d588
DB
152 echo " and libraw1394 [no]"
153 echo " --enable-libdirac enable Dirac support via libdirac [no]"
154 echo " --enable-libfaac enable FAAC support via libfaac [no]"
155 echo " --enable-libfaad enable FAAD support via libfaad [no]"
156 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
157 echo " --enable-libgsm enable GSM support via libgsm [no]"
158 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
31235134 159 echo " --enable-libnut enable NUT (de)muxing via libnut,"
0a23c0bb 160 echo " native (de)muxer exists [no]"
9a77d59a 161 echo " --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]"
e6b9d588
DB
162 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
163 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
164 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
f9def9cc 165 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
e6b9d588
DB
166 echo " native implementation exists [no]"
167 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
1cc60c47 168 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
e6b9d588 169 echo " native MPEG-4/Xvid encoder exists [no]"
732c9a34 170 echo " --enable-mlib enable Sun medialib [no]"
27cb5cbc 171 echo " --enable-zlib enable zlib [autodetect]"
74c53c2d
MR
172 echo ""
173 echo "Advanced options (experts only):"
174 echo " --source-path=PATH path to source code [$source_path]"
175 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
db6107b6 176 echo " --enable-cross-compile assume a cross-compiler is used"
4f854758 177 echo " --target-os=OS compiler targets OS [$target_os]"
a7ada2ba
MR
178 echo " --target-exec=CMD command to run executables on target"
179 echo " --target-path=DIR path to view of build directory on target"
89641463 180 echo " --nm=NM use nm tool"
15396d5c 181 echo " --cc=CC use C compiler CC [$cc_default]"
9da6609f
MR
182 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
183 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
184 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
185 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
74c53c2d
MR
186 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
187 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
188 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
ac63af34 189 echo " --extra-version=STRING version string suffix []"
0a23c0bb
DB
190 echo " --build-suffix=SUFFIX library name suffix []"
191 echo " --arch=ARCH select architecture [$arch]"
192 echo " --cpu=CPU select the minimum required CPU (affects"
7c758d33 193 echo " instruction selection, may crash on older CPUs)"
2b4c3615 194 echo " --enable-powerpc-perf enable performance report on PPC"
74c53c2d 195 echo " (requires enabling PMC)"
4f50c3d5 196 echo " --disable-altivec disable AltiVec optimizations"
3bf96eec 197 echo " --disable-amd3dnow disable 3DNow! optimizations"
a1ef9f08 198 echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
0a23c0bb
DB
199 echo " --disable-mmx disable MMX optimizations"
200 echo " --disable-mmx2 disable MMX2 optimizations"
1bb04d5a 201 echo " --disable-sse disable SSE optimizations"
0a23c0bb
DB
202 echo " --disable-ssse3 disable SSSE3 optimizations"
203 echo " --disable-armv5te disable armv5te optimizations"
204 echo " --disable-armv6 disable armv6 optimizations"
26c7aa17 205 echo " --disable-armv6t2 disable armv6t2 optimizations"
3bbcba32 206 echo " --disable-armvfp disable ARM VFP optimizations"
0a23c0bb 207 echo " --disable-iwmmxt disable iwmmxt optimizations"
49276307
DB
208 echo " --disable-mmi disable MMI optimizations"
209 echo " --disable-neon disable neon optimizations"
210 echo " --disable-vis disable VIS optimizations"
7595a5e4 211 echo " --disable-yasm disable use of yasm assembler"
0a622b98
MR
212 echo
213 echo "Developer options (useful when working on FFmpeg itself):"
9c56a1f9 214 echo " --disable-debug disable debugging symbols"
b7d49373 215 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
0a622b98 216 echo " --enable-gprof enable profiling with gprof [$gprof]"
d2bbb2f7 217 echo " --disable-optimizations disable compiler optimizations"
0a622b98 218 echo " --enable-extra-warnings enable more compiler warnings"
87a0fb62 219 echo " --disable-stripping disable stripping of executables and shared libraries"
74c53c2d
MR
220 echo ""
221 echo "NOTE: Object files are built at the place where configure is launched."
60e8bc13 222 exit 0
74c53c2d 223}
cf9d24ad 224
57bd82d4 225log(){
2270b4b2 226 echo "$@" >> $logfile
57bd82d4
MR
227}
228
720c69da 229log_file(){
c8e9f801 230 log BEGIN $1
2270b4b2 231 pr -n -t $1 >> $logfile
c8e9f801
MR
232 log END $1
233}
234
2ba042a7 235echolog(){
c8e9f801 236 log "$@"
57bd82d4 237 echo "$@"
2ba042a7
MR
238}
239
240die(){
241 echolog "$@"
242 cat <<EOF
243If you think configure made a mistake, make sure you are using the latest
244version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 245ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 246EOF
e155a21a 247 if disabled logging; then
2ba042a7 248 cat <<EOF
e155a21a
DB
249Rerun configure with logging enabled (do not use --disable-logging), and
250include the log this produces with your report.
2ba042a7
MR
251EOF
252 else
253cat <<EOF
e155a21a
DB
254Include the log file "$logfile" produced by configure as this will help
255solving the problem.
2ba042a7
MR
256EOF
257 fi
cea0ac52 258 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
57bd82d4
MR
259 exit 1
260}
261
6c6007d6 262# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 263toupper(){
6c6007d6 264 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
265}
266
4a5444db 267tolower(){
6c6007d6 268 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
269}
270
14a8acf1
MR
271c_escape(){
272 echo "$*" | sed 's/["\\]/\\\0/g'
273}
274
a8d04fba
MR
275set_all(){
276 value=$1
277 shift
278 for var in $*; do
279 eval $var=$value
280 done
281}
282
72a43668
MR
283set_weak(){
284 value=$1
285 shift
286 for var; do
287 eval : \${$var:=$value}
288 done
289}
290
799c9e9b
MR
291pushvar(){
292 for var in $*; do
293 eval level=\${${var}_level:=0}
294 eval ${var}_${level}="\$$var"
295 eval ${var}_level=$(($level+1))
296 done
297}
298
299popvar(){
300 for var in $*; do
301 eval level=\${${var}_level:-0}
302 test $level = 0 && continue
303 eval level=$(($level-1))
304 eval $var="\${${var}_${level}}"
305 eval ${var}_level=$level
306 eval unset ${var}_${level}
307 done
308}
309
a8d04fba
MR
310enable(){
311 set_all yes $*
312}
313
314disable(){
315 set_all no $*
316}
317
72a43668
MR
318enable_weak(){
319 set_weak yes $*
320}
321
322disable_weak(){
323 set_weak no $*
324}
325
f9d328da
MR
326do_enable_deep(){
327 for var; do
328 enabled $var && continue
329 eval sel="\$${var}_select"
c510c7b5
MR
330 eval sgs="\$${var}_suggest"
331 pushvar var sgs
f9d328da 332 enable_deep $sel
c510c7b5
MR
333 popvar sgs
334 enable_deep_weak $sgs
f9d328da
MR
335 popvar var
336 done
337}
338
339enable_deep(){
340 do_enable_deep $*
341 enable $*
342}
343
72a43668
MR
344enable_deep_weak(){
345 do_enable_deep $*
346 enable_weak $*
347}
348
57bd82d4 349enabled(){
3250003c
MR
350 test "${1#!}" = "$1" && op== || op=!=
351 eval test "x\$${1#!}" $op "xyes"
44161118
MR
352}
353
37970ebf 354disabled(){
3250003c
MR
355 test "${1#!}" = "$1" && op== || op=!=
356 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
357}
358
44161118
MR
359enabled_all(){
360 for opt; do
361 enabled $opt || return 1
362 done
363}
364
85bca2c5
DB
365disabled_all(){
366 for opt; do
367 disabled $opt || return 1
368 done
369}
370
44161118
MR
371enabled_any(){
372 for opt; do
373 enabled $opt && return 0
374 done
375}
376
85bca2c5
DB
377disabled_any(){
378 for opt; do
379 disabled $opt && return 0
380 done
f7b230a7 381 return 1
85bca2c5
DB
382}
383
c9d19248
MR
384set_default(){
385 for opt; do
88268e94 386 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
387 done
388}
389
4a0d6686
AJ
390is_in(){
391 value=$1
392 shift
393 for var in $*; do
394 [ $var = $value ] && return 0
395 done
396 return 1
397}
398
30fd06be
MR
399check_deps(){
400 for cfg; do
3250003c 401 cfg="${cfg#!}"
799c9e9b
MR
402 enabled ${cfg}_checking && die "Circular dependency for $cfg."
403 disabled ${cfg}_checking && continue
404 enable ${cfg}_checking
405
30fd06be
MR
406 eval dep_all="\$${cfg}_deps"
407 eval dep_any="\$${cfg}_deps_any"
7ef3425f 408 eval dep_sel="\$${cfg}_select"
c510c7b5 409 eval dep_sgs="\$${cfg}_suggest"
799c9e9b 410
c510c7b5
MR
411 pushvar cfg dep_all dep_any dep_sel dep_sgs
412 check_deps $dep_all $dep_any $dep_sel $dep_sgs
413 popvar cfg dep_all dep_any dep_sel dep_sgs
799c9e9b 414
6a702d4c
MR
415 enabled_all $dep_all || disable $cfg
416 enabled_any $dep_any || disable $cfg
7ef3425f 417 disabled_any $dep_sel && disable $cfg
799c9e9b 418
4ec45764
RP
419 if enabled $cfg; then
420 eval dep_extralibs="\$${cfg}_extralibs"
421 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 422 enable_deep $dep_sel
c510c7b5 423 enable_deep_weak $dep_sgs
4ec45764
RP
424 fi
425
799c9e9b 426 disable ${cfg}_checking
30fd06be
MR
427 done
428}
429
44161118
MR
430print_config(){
431 pfx=$1
432 header=$2
433 makefile=$3
434 shift 3
435 for cfg; do
3d907e22 436 ucname="`toupper $cfg`"
44161118 437 if enabled $cfg; then
3d907e22 438 echo "#define ${pfx}${ucname} 1" >> $header
3d907e22
MR
439 echo "${pfx}${ucname}=yes" >> $makefile
440 else
b250f9c6 441 echo "#define ${pfx}${ucname} 0" >> $header
44161118
MR
442 fi
443 done
57bd82d4
MR
444}
445
446flags_saved(){
2270b4b2 447 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
448}
449
dcd479c0 450save_flags(){
57bd82d4 451 flags_saved && return
dcd479c0
MR
452 SAVE_CFLAGS="$CFLAGS"
453 SAVE_LDFLAGS="$LDFLAGS"
454 SAVE_extralibs="$extralibs"
455}
456
457restore_flags(){
f5d28d10 458 flags_saved || return
dcd479c0
MR
459 CFLAGS="$SAVE_CFLAGS"
460 LDFLAGS="$SAVE_LDFLAGS"
461 extralibs="$SAVE_extralibs"
462 unset SAVE_CFLAGS
463 unset SAVE_LDFLAGS
464 unset SAVE_extralibs
465}
466
467temp_cflags(){
468 save_flags
469 CFLAGS="$CFLAGS $*"
470}
471
472temp_ldflags(){
473 save_flags
474 LDFLAGS="$LDFLAGS $*"
475}
476
477temp_extralibs(){
478 save_flags
479 extralibs="$extralibs $*"
480}
481
57bd82d4
MR
482append(){
483 var=$1
484 shift
485 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
486 eval "$var=\"\$$var $*\""
487}
488
489add_cflags(){
490 append CFLAGS "$@"
491}
492
493add_ldflags(){
494 append LDFLAGS "$@"
495}
496
497add_extralibs(){
498 append extralibs "$@"
499}
500
b0cfb663 501check_cmd(){
b3cb5d51 502 log "$@"
2270b4b2 503 "$@" >> $logfile 2>&1
b0cfb663
MR
504}
505
dcd479c0 506check_cc(){
57bd82d4 507 log check_cc "$@"
2270b4b2 508 cat > $TMPC
720c69da 509 log_file $TMPC
b0cfb663 510 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
511}
512
513check_cpp(){
514 log check_cpp "$@"
2270b4b2 515 cat > $TMPC
720c69da 516 log_file $TMPC
b0cfb663 517 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
518}
519
940f335a
MR
520check_asm(){
521 log check_asm "$@"
522 name="$1"
523 asm="$2"
524 shift 2
525 check_cc "$@" <<EOF && enable $name || disable $name
124c21d7 526void foo(void){ __asm__ volatile($asm); }
940f335a
MR
527EOF
528}
529
304d586d
LM
530check_yasm(){
531 log check_yasm "$@"
532 echo "$1" > $TMPS
533 log_file $TMPS
534 shift 1
535 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
536}
537
dcd479c0 538check_ld(){
57bd82d4 539 log check_ld "$@"
0607887f 540 check_cc || return
3155a644
MR
541 flags=''
542 libs=''
543 for f; do
544 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
545 done
546 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
547}
548
549check_cflags(){
57bd82d4
MR
550 log check_cflags "$@"
551 check_cc "$@" <<EOF && add_cflags "$@"
dcd479c0
MR
552int x;
553EOF
554}
555
556check_ldflags(){
57bd82d4
MR
557 log check_ldflags "$@"
558 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 559int main(void){ return 0; }
dcd479c0
MR
560EOF
561}
562
563check_header(){
57bd82d4 564 log check_header "$@"
dcd479c0
MR
565 header=$1
566 shift
d8bc5f06
MR
567 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
568 disable $var
569 check_cpp "$@" <<EOF && enable $var
dcd479c0
MR
570#include <$header>
571int x;
572EOF
573}
574
575check_func(){
57bd82d4 576 log check_func "$@"
dcd479c0
MR
577 func=$1
578 shift
d8bc5f06
MR
579 disable $func
580 check_ld "$@" <<EOF && enable $func
dcd479c0 581extern int $func();
c23a0ac8 582int main(void){ $func(); }
dcd479c0
MR
583EOF
584}
585
2446d3d6
DB
586check_func_headers(){
587 log check_func_headers "$@"
f8d7b072
MR
588 headers=$1
589 func=$2
590 shift 2
591 disable $func
592 incs=""
593 for hdr in $headers; do
594 incs="$incs
595#include <$hdr>"
596 done
597 check_ld "$@" <<EOF && enable $func
598$incs
d6773f56 599int main(int argc, char **argv){
f8d7b072
MR
600 (void) $func;
601 return 0;
602}
603EOF
604}
605
a5344cf7
SS
606check_cpp_condition(){
607 log check_cpp_condition "$@"
608 header=$1
609 condition=$2
610 check_cpp <<EOF
611#include <$header>
612#if !($condition)
613#error "unsatisfied condition: $condition"
614#endif
615EOF
616}
617
57bd82d4
MR
618check_lib(){
619 log check_lib "$@"
620 header="$1"
621 func="$2"
622 shift 2
fcfcde17
MR
623 temp_extralibs "$@"
624 check_header $header && check_func $func && add_extralibs "$@"
625 err=$?
626 restore_flags
627 return $err
57bd82d4
MR
628}
629
f8d7b072
MR
630check_lib2(){
631 log check_lib2 "$@"
632 headers="$1"
633 func="$2"
634 shift 2
635 temp_extralibs "$@"
2446d3d6 636 check_func_headers "$headers" $func && add_extralibs "$@"
f8d7b072
MR
637 err=$?
638 restore_flags
639 return $err
640}
641
dcd479c0 642check_exec(){
2270b4b2 643 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
644}
645
7dfef245
MR
646check_exec_crash(){
647 code=`cat`
648
649 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
650 # are safe but may not be available everywhere. Thus we use
651 # raise(SIGTERM) instead. The check is run in a subshell so we
652 # can redirect the "Terminated" message from the shell. SIGBUS
653 # is not defined by standard C so it is used conditionally.
654
2270b4b2 655 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
656#include <signal.h>
657static void sighandler(int sig){
658 raise(SIGTERM);
659}
e5af4a11 660int main(void){
7dfef245
MR
661 signal(SIGILL, sighandler);
662 signal(SIGFPE, sighandler);
663 signal(SIGSEGV, sighandler);
664#ifdef SIGBUS
665 signal(SIGBUS, sighandler);
666#endif
667 { $code }
668}
669EOF
670}
671
72be9e73
DY
672check_type(){
673 log check_type "$@"
674 headers=$1
675 type=$2
676 shift 2
677 disable $type
678 incs=""
679 for hdr in $headers; do
680 incs="$incs
681#include <$hdr>"
682 done
683 check_cc "$@" <<EOF && enable $type
684$incs
685$type v;
686EOF
687}
688
57bd82d4
MR
689require(){
690 name="$1"
691 header="$2"
692 func="$3"
693 shift 3
694 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
695}
696
f8d7b072
MR
697require2(){
698 name="$1"
699 headers="$2"
700 func="$3"
701 shift 3
702 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
703}
704
eea50282
MR
705check_foo_config(){
706 cfg=$1
707 pkg=$2
708 header=$3
709 func=$4
710 shift 4
711 disable $cfg
712 check_cmd ${pkg}-config --version
713 err=$?
714 if test "$err" = 0; then
715 temp_cflags `${pkg}-config --cflags`
716 temp_extralibs `${pkg}-config --libs`
717 check_lib "$@" $header $func && enable $cfg
718 fi
719 return $err
720}
721
c505dd31
MR
722apply(){
723 file=$1
724 shift
725 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
726}
727
dcd61286
DB
728# CONFIG_LIST contains configurable options, while HAVE_LIST is for
729# system-dependent things.
730
4a0d6686
AJ
731COMPONENT_LIST="
732 bsfs
733 decoders
734 demuxers
735 encoders
3cde40aa 736 filters
c552605c 737 indevs
4a0d6686 738 muxers
c552605c 739 outdevs
4a0d6686
AJ
740 parsers
741 protocols
742"
743
744CONFIG_LIST="
745 $COMPONENT_LIST
e8ed9b7a 746 aandct
f7679c54
VS
747 avfilter
748 avfilter_lavf
c88f5d72
MR
749 avisynth
750 beos_netserver
f402916e 751 bzlib
27a9466b 752 fastdiv
c88f5d72
MR
753 ffmpeg
754 ffplay
755 ffserver
1848f7d9 756 fft
4f034993 757 golomb
c88f5d72 758 gpl
ecfc4f44 759 gprof
d8d0d0b2 760 gray
3abe5fbd 761 hardcoded_tables
c88f5d72 762 ipv6
f5a756ef
DB
763 libamr_nb
764 libamr_wb
f7b8bffe 765 libdc1394
690bfceb 766 libdirac
2eed5a46
DB
767 libfaac
768 libfaad
769 libfaadbin
c88f5d72 770 libgsm
6ebe07fb 771 libmp3lame
c88f5d72 772 libnut
9a77d59a 773 libopenjpeg
f7cd9eed 774 libschroedinger
ae14f311 775 libspeex
150d2772 776 libtheora
c88f5d72 777 libvorbis
1cc60c47
DB
778 libx264
779 libxvid
47a158cb 780 mdct
c88f5d72 781 memalign_hack
a8150374 782 mlib
c88f5d72
MR
783 mpegaudio_hp
784 network
3fe142e2 785 nonfree
4a24ab64 786 postproc
2b4c3615 787 powerpc_perf
68602540 788 rdft
2e35e684 789 shared
bd2216e4 790 small
2e35e684 791 static
13ca50f3 792 swscale
272081b0 793 vdpau
c88f5d72 794 vhook
56a059ac 795 x11grab
c88f5d72 796 zlib
4a0d6686 797"
c88f5d72 798
8eee7025
DB
799THREADS_LIST='
800 beosthreads
d22e8442 801 os2threads
8eee7025
DB
802 pthreads
803 w32threads
804'
805
3f5b56e5
MR
806ARCH_LIST='
807 alpha
a2fc0f6a 808 arm
3f5b56e5
MR
809 bfin
810 ia64
811 m68k
812 mips
813 parisc
79cb09b2 814 ppc
3f5b56e5
MR
815 s390
816 sh4
817 sparc
818 sparc64
819 x86
820 x86_32
821 x86_64
822'
823
824ARCH_EXT_LIST='
1ac9331a 825 altivec
3bf96eec 826 amd3dnow
a1ef9f08 827 amd3dnowext
1ac9331a 828 armv5te
edab3048 829 armv6
ab5cb084 830 armv6t2
f55b299a 831 armvfp
3f5b56e5
MR
832 iwmmxt
833 mmi
834 mmx
d7f0920b 835 mmx2
6b18d278 836 neon
799fde37 837 ppc4xx
1bb04d5a 838 sse
9eeed841 839 ssse3
bd9d34a0 840 vis
3f5b56e5
MR
841'
842
843HAVE_LIST="
844 $ARCH_EXT_LIST
845 $THREADS_LIST
35fd8122 846 alsa_asoundlib_h
3f5b56e5 847 altivec_h
c9fdab0d 848 arpa_inet_h
6bd859d6 849 bswap
ecf97f22 850 closesocket
1ac9331a 851 cmov
e16e49ac 852 conio_h
c88f5d72 853 dcbzl
f8aa696f
DB
854 dev_bktr_ioctl_bt848_h
855 dev_bktr_ioctl_meteor_h
856 dev_ic_bt8xx_h
857 dev_video_meteor_ioctl_meteor_h
858 dev_video_bktr_ioctl_bt848_h
18b67ae5 859 dlfcn_h
c88f5d72 860 dlopen
bc574408 861 dos_paths
245626d0
DB
862 ebp_available
863 ebx_available
c2a29455 864 fast_64bit
7073e9fc 865 fast_cmov
7b829d2a 866 fast_unaligned
9d99cc5a 867 fork
c88f5d72 868 freetype2
da9e86f8 869 gethrtime
4e68cb8a 870 GetProcessTimes
66be5b45 871 getrusage
c88f5d72 872 imlib2
2e1913b1 873 inet_aton
61d251db 874 inline_asm
0b4a1821
AS
875 libdc1394_1
876 libdc1394_2
a33cab3a
MK
877 llrint
878 lrint
c88f5d72 879 lrintf
f8aa696f
DB
880 machine_ioctl_bt848_h
881 machine_ioctl_meteor_h
c88f5d72
MR
882 malloc_h
883 memalign
6ffa87d3 884 mkstemp
b4e806b2 885 pld
1f91cdce 886 posix_memalign
9cafbd6c 887 ppc64
a33cab3a
MK
888 round
889 roundf
c88f5d72
MR
890 sdl
891 sdl_video_size
b507ebd1 892 setmode
72be9e73 893 socklen_t
deb29777 894 soundcard_h
f8cda19e 895 poll_h
b58412f1 896 sys_mman_h
b091aa44 897 sys_resource_h
81644c2e 898 sys_select_h
deb29777 899 sys_soundcard_h
1b6e8b73 900 sys_videoio_h
d3a4b4e0 901 ten_operands
e16e49ac 902 termios_h
b265431e 903 threads
7b04b8a0 904 truncf
6ff3f3e7 905 winsock2_h
304d586d 906 yasm
0cb78cef 907"
44161118 908
b6bb00b0
MR
909# options emitted with CONFIG_ prefix but not available on command line
910CONFIG_EXTRA="
40b509b3 911 oldscaler
b6bb00b0
MR
912"
913
520cc7f1 914CMDLINE_SELECT="
3f5b56e5 915 $ARCH_EXT_LIST
520cc7f1 916 $CONFIG_LIST
8eee7025 917 $THREADS_LIST
db6107b6 918 cross_compile
520cc7f1
MR
919 debug
920 extra_warnings
8c6afa4d 921 logging
d2bbb2f7 922 optimizations
87a0fb62 923 stripping
7595a5e4 924 yasm
520cc7f1 925"
426be5dc
DB
926
927PATHS_LIST='
d156bede 928 bindir
14a8acf1 929 datadir
26759c44
MR
930 incdir
931 libdir
26759c44
MR
932 mandir
933 prefix
934 shlibdir
426be5dc
DB
935'
936
937CMDLINE_SET="
938 $PATHS_LIST
939 arch
940 build_suffix
941 cc
942 cpu
943 cross_prefix
ac63af34 944 extra_version
9da6609f
MR
945 host_cc
946 host_cflags
947 host_ldflags
948 host_libs
426be5dc 949 logfile
89641463 950 nm
26759c44 951 source_path
a7ada2ba 952 target_exec
26759c44 953 target_os
a7ada2ba 954 target_path
426be5dc 955"
520cc7f1 956
912f3148
DB
957# code dependency declarations
958
9eeed841 959# architecture extensions
79cb09b2 960altivec_deps="ppc"
3bf96eec 961amd3dnow_deps="mmx"
a1ef9f08 962amd3dnowext_deps="amd3dnow"
a2fc0f6a
MR
963armv5te_deps="arm"
964armv6_deps="arm"
ab5cb084 965armv6t2_deps="arm"
a2fc0f6a
MR
966armvfp_deps="arm"
967iwmmxt_deps="arm"
e241ba14 968mmi_deps="mips"
9eeed841 969mmx_deps="x86"
75aa95a6 970mmx2_deps="mmx"
a2fc0f6a 971neon_deps="arm"
799fde37 972ppc4xx_deps="ppc"
75aa95a6
DB
973sse_deps="mmx"
974ssse3_deps="sse"
bd9d34a0 975vis_deps="sparc"
9eeed841 976
b6bb00b0 977# common features
40b509b3 978oldscaler_deps="!swscale"
b6bb00b0 979
912f3148 980# decoders / encoders
47a158cb 981aac_decoder_select="fft mdct"
d8d12c15 982ac3_decoder_deps="gpl"
47a158cb
MR
983ac3_decoder_select="fft mdct"
984atrac3_decoder_select="fft mdct"
4f034993 985cavs_decoder_select="golomb"
47a158cb 986cook_decoder_select="fft mdct"
2eef7c62 987cscd_decoder_suggest="zlib"
47a158cb 988dca_decoder_select="fft mdct"
e8ed9b7a 989dnxhd_encoder_select="aandct"
2eef7c62 990dxa_decoder_select="zlib"
406ab5cc 991eac3_decoder_deps="gpl"
47a158cb 992eac3_decoder_select="fft mdct"
e8ed9b7a 993eatgq_decoder_select="aandct"
4f034993
MR
994ffv1_decoder_select="golomb"
995flac_decoder_select="golomb"
996flac_encoder_select="golomb"
2eef7c62
AJ
997flashsv_decoder_select="zlib"
998flashsv_encoder_select="zlib"
e8ed9b7a
DB
999flv_encoder_select="aandct"
1000h261_encoder_select="aandct"
1001h263_encoder_select="aandct"
1002h263p_encoder_select="aandct"
4f034993 1003h264_decoder_select="golomb"
369122dd 1004h264_vdpau_decoder_deps="vdpau"
47a158cb 1005imc_decoder_select="fft mdct"
4f034993
MR
1006jpegls_decoder_select="golomb"
1007jpegls_encoder_select="golomb"
e8ed9b7a 1008ljpeg_encoder_select="aandct"
4f034993 1009loco_decoder_select="golomb"
e8ed9b7a
DB
1010mjpeg_encoder_select="aandct"
1011mpeg1video_encoder_select="aandct"
1012mpeg2video_encoder_select="aandct"
1013mpeg4_encoder_select="aandct"
d37edddc 1014mpeg_vdpau_decoder_deps="vdpau"
2b324225 1015mpeg1_vdpau_decoder_deps="vdpau"
8f6f050a 1016mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
e8ed9b7a
DB
1017msmpeg4v1_encoder_select="aandct"
1018msmpeg4v2_encoder_select="aandct"
1019msmpeg4v3_encoder_select="aandct"
47a158cb
MR
1020nellymoser_decoder_select="fft mdct"
1021nellymoser_encoder_select="fft mdct"
2eef7c62
AJ
1022png_decoder_select="zlib"
1023png_encoder_select="zlib"
63cae55d 1024qdm2_decoder_select="fft mdct rdft"
e8ed9b7a
DB
1025rv10_encoder_select="aandct"
1026rv20_encoder_select="aandct"
4f034993
MR
1027shorten_decoder_select="golomb"
1028sonic_decoder_select="golomb"
1029sonic_encoder_select="golomb"
1030sonic_ls_encoder_select="golomb"
1031svq3_decoder_select="golomb"
bee2eac5 1032svq3_decoder_suggest="zlib"
2eef7c62
AJ
1033tiff_decoder_suggest="zlib"
1034tiff_encoder_suggest="zlib"
1035tscc_decoder_select="zlib"
c5b42f4a 1036vc1_vdpau_decoder_deps="vdpau"
47a158cb
MR
1037vorbis_decoder_select="fft mdct"
1038vorbis_encoder_select="fft mdct"
1039wmav1_decoder_select="fft mdct"
1040wmav1_encoder_select="fft mdct"
1041wmav2_decoder_select="fft mdct"
1042wmav2_encoder_select="fft mdct"
e8ed9b7a
DB
1043wmv1_encoder_select="aandct"
1044wmv2_encoder_select="aandct"
c5b42f4a 1045wmv3_vdpau_decoder_deps="vdpau"
2eef7c62
AJ
1046zlib_decoder_select="zlib"
1047zlib_encoder_select="zlib"
1048zmbv_decoder_select="zlib"
1049zmbv_encoder_select="zlib"
30fd06be 1050
912f3148 1051# external libraries
f5a756ef
DB
1052libamr_nb_decoder_deps="libamr_nb"
1053libamr_nb_encoder_deps="libamr_nb"
1054libamr_wb_decoder_deps="libamr_wb"
1055libamr_wb_encoder_deps="libamr_wb"
1b71f045 1056libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1057libdirac_encoder_deps="libdirac"
c9171a83 1058libfaac_encoder_deps="libfaac"
69ddbd1d 1059libfaad_decoder_deps="libfaad"
4ec45764 1060libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1061libgsm_decoder_deps="libgsm"
1062libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1063libgsm_ms_decoder_deps="libgsm"
1064libgsm_ms_encoder_deps="libgsm"
1cc60c47 1065libmp3lame_encoder_deps="libmp3lame"
9a77d59a 1066libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1067libschroedinger_decoder_deps="libschroedinger"
1068libschroedinger_encoder_deps="libschroedinger"
ae14f311 1069libspeex_decoder_deps="libspeex"
150d2772 1070libtheora_encoder_deps="libtheora"
b0caf888 1071libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1072libx264_encoder_deps="libx264"
1073libxvid_encoder_deps="libxvid"
13566c31 1074mpeg4aac_decoder_deps="libfaad"
272081b0 1075vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
30fd06be 1076
912f3148 1077# demuxers / muxers
03a76ba9 1078ac3_demuxer_deps="ac3_parser"
35fd8122
NG
1079alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1080alsa_demuxer_extralibs="-lasound"
1081alsa_muxer_deps="alsa_asoundlib_h"
1082alsa_muxer_extralibs="-lasound"
50383e88 1083audio_beos_demuxer_deps="audio_beos"
4ec45764 1084audio_beos_demuxer_extralibs="-lmedia -lbe"
50383e88 1085audio_beos_muxer_deps="audio_beos"
4ec45764 1086audio_beos_muxer_extralibs="-lmedia -lbe"
53b73365 1087avisynth_demuxer_deps="avisynth"
73483024 1088bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
17ac9f1c 1089dirac_demuxer_deps="dirac_parser"
fe9bb347 1090dv1394_demuxer_deps="dv1394 dv_demuxer"
f7b8bffe 1091libdc1394_demuxer_deps="libdc1394"
d7c59247
DB
1092libnut_demuxer_deps="libnut"
1093libnut_muxer_deps="libnut"
2eef7c62
AJ
1094matroska_demuxer_suggest="zlib bzlib"
1095mov_demuxer_suggest="zlib"
4bd8e17c 1096mp3_demuxer_deps="mpegaudio_parser"
c7682de0
RP
1097oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1098oss_muxer_deps_any="soundcard_h sys_soundcard_h"
30fd06be 1099redir_demuxer_deps="network"
8eb793c4 1100rtp_muxer_deps="network rtp_protocol"
95c21842
LA
1101rtsp_demuxer_deps="sdp_demuxer"
1102sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
06e31011 1103v4l_demuxer_deps="linux_videodev_h"
1b6e8b73 1104v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
c2345207
RP
1105vfwcap_demuxer_deps="capCreateCaptureWindow"
1106vfwcap_demuxer_extralibs="-lvfw32"
06eab4ba 1107x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
4ec45764 1108x11_grab_device_demuxer_extralibs="-lX11 -lXext"
30fd06be 1109
912f3148 1110# protocols
3fff6382 1111gopher_protocol_deps="network"
c08fb000
AB
1112http_protocol_deps="network"
1113rtp_protocol_deps="udp_protocol"
1114tcp_protocol_deps="network"
1115udp_protocol_deps="network"
1116
f7679c54 1117# filters
81124ba0 1118movie_filter_deps="avfilter_lavf"
f7679c54 1119
912f3148 1120# programs
fa859b4d 1121ffplay_deps="sdl"
6ad42348 1122ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764
RP
1123ffserver_extralibs='$ldl'
1124vhook_extralibs='$ldl'
a2830dca 1125
912f3148 1126
de6d9b64 1127# default parameters
8a608357 1128
2ba042a7 1129logfile="config.err"
8a608357
MR
1130
1131# installation paths
c9d19248
MR
1132prefix_default="/usr/local"
1133bindir_default='${prefix}/bin'
14a8acf1 1134datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1135incdir_default='${prefix}/include'
1136libdir_default='${prefix}/lib'
1137mandir_default='${prefix}/share/man'
1138shlibdir_default="$libdir_default"
8a608357
MR
1139
1140# toolchain
11e6d03a 1141ar="ar"
13c7df3d 1142cc_default="gcc"
9da6609f 1143host_cc_default="gcc"
11e6d03a 1144ln_s="ln -sf"
89641463 1145nm_default="nm"
11e6d03a 1146objformat="elf"
be7109c1 1147ranlib="ranlib"
0f3cb305 1148strip="strip"
11e6d03a 1149yasmexe="yasm"
8a608357
MR
1150
1151# machine
cc6a90dd 1152arch=`uname -m`
38d0a8aa 1153cpu="generic"
8a608357 1154
8a608357 1155# OS
4f854758 1156target_os=$(tolower $(uname -s))
8a608357 1157
8a608357 1158# configurable options
497237c7 1159enable debug
497237c7
RP
1160enable ffmpeg
1161enable ffplay
1162enable ffserver
1163enable ipv6
497237c7
RP
1164enable mpegaudio_hp
1165enable network
40b509b3 1166enable oldscaler
8400d6b8 1167enable optimizations
497237c7 1168enable protocols
530dc538 1169enable static
87a0fb62 1170enable stripping
8a608357
MR
1171vhook="default"
1172
8a608357 1173# build settings
11a9d3e8 1174add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 1175SHFLAGS='-shared -Wl,-soname,$$(@F)'
cab3ef82 1176VHOOKSHFLAGS='$(SHFLAGS)'
c536cb09 1177FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1178LIBPREF="lib"
1179LIBSUF=".a"
c5f14466
RP
1180FULLNAME='$(NAME)$(BUILDSUF)'
1181LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1182SLIBPREF="lib"
1183SLIBSUF=".so"
c5f14466 1184SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1185SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1186SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1187LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1188
9da6609f
MR
1189host_cflags='-O3 -g -Wall'
1190host_libs='-lm'
1191
a7ada2ba
MR
1192target_path='.'
1193
0d7dca36
DB
1194# gcc stupidly only outputs the basename of targets with -MM, but we need the
1195# full relative path for objects in subdirectories for non-recursive Make.
ec0bd3b9 1196DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
315c741d 1197
c597172e
MR
1198# find source path
1199source_path="`dirname \"$0\"`"
497237c7 1200enable source_path_used
c597172e
MR
1201if test -z "$source_path" -o "$source_path" = "." ; then
1202 source_path="`pwd`"
497237c7 1203 disable source_path_used
c597172e
MR
1204else
1205 source_path="`cd \"$source_path\"; pwd`"
1206 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1207 die "Out of tree builds are impossible with whitespace in source path."
c597172e
MR
1208fi
1209
c597172e
MR
1210FFMPEG_CONFIGURATION="$@"
1211
73ef8980
MR
1212find_things(){
1213 thing=$1
1214 pattern=$2
1215 file=$source_path/$3
932ccf39 1216 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1217}
1218
1219ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1220DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1221PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1222BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1223MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1224DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1225OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1226INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1227PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1228FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1229
7483e694
DB
1230enable $ARCH_EXT_LIST \
1231 $DECODER_LIST \
1232 $ENCODER_LIST \
1233 $PARSER_LIST \
1234 $BSF_LIST \
1235 $DEMUXER_LIST \
1236 $MUXER_LIST \
f7679c54 1237 $FILTER_LIST \
7483e694
DB
1238 $PROTOCOL_LIST \
1239 $INDEV_LIST \
1240 $OUTDEV_LIST \
c597172e
MR
1241
1242die_unknown(){
1243 echo "Unknown option \"$1\"."
1244 echo "See $0 --help for available options."
1245 exit 1
1246}
1247
794f8e97 1248show_list() {
bf0c4afa
RP
1249 suffix=_$1
1250 shift
1251 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1252 exit 0
1253}
1254
c597172e 1255for opt do
7483e694
DB
1256 optval="${opt#*=}"
1257 case "$opt" in
0f010b2f 1258 --extra-cflags=*) add_cflags $optval
7483e694 1259 ;;
0f010b2f 1260 --extra-ldflags=*) add_ldflags $optval
7483e694 1261 ;;
0f010b2f 1262 --extra-libs=*) add_extralibs $optval
7483e694 1263 ;;
8fb1cb58 1264 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1265 ;;
40bcf4c7
BL
1266 --enable-debug=*) debuglevel="$optval"
1267 ;;
7483e694
DB
1268 --enable-*=*|--disable-*=*)
1269 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1270 case "$thing" in
81124ba0 1271 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1272 *) die_unknown "$opt" ;;
1273 esac
1274 ;;
1275 --enable-?*|--disable-?*)
1276 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
e3773a55
MR
1277 if is_in $option $COMPONENT_LIST; then
1278 eval $action \$$(toupper ${option%s})_LIST
1279 elif is_in $option $CMDLINE_SELECT; then
1280 $action $option
1281 else
1282 die_unknown $opt
1283 fi
7483e694
DB
1284 ;;
1285 --list-*)
1286 NAME="${opt#--list-}"
1287 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1288 NAME=${NAME%s}
1289 eval show_list $NAME \$$(toupper $NAME)_LIST
1290 ;;
1291 --help|-h) show_help
1292 ;;
1293 *)
884a36a7 1294 optname="${opt%%=*}"
26759c44
MR
1295 optname="${optname#--}"
1296 optname=$(echo "$optname" | sed 's/-/_/g')
1297 is_in $optname $CMDLINE_SET || die_unknown $opt
1298 eval $optname='$optval'
7483e694
DB
1299 ;;
1300 esac
c597172e
MR
1301done
1302
bcea99bb
MR
1303disabled logging && logfile=/dev/null
1304
1305echo "# $0 $@" > $logfile
1306set >> $logfile
1307
9da6609f
MR
1308test -n "$cross_prefix" && enable cross_compile
1309
adb2b908 1310ar="${cross_prefix}${ar}"
11e6d03a 1311cc_default="${cross_prefix}${cc_default}"
20e0ed95 1312nm_default="${cross_prefix}${nm_default}"
adb2b908
RP
1313ranlib="${cross_prefix}${ranlib}"
1314strip="${cross_prefix}${strip}"
1315
89641463 1316set_default cc nm
9da6609f
MR
1317enabled cross_compile || host_cc_default=$cc
1318set_default host_cc
13c7df3d 1319
c0f5b7f1
MR
1320case $target_os in
1321 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) EXESUF=.exe ;;
1322esac
1323
e4e69e0b 1324# set temporary file name
a49d42c2 1325: ${TMPDIR:=$TEMPDIR}
c51fafa1 1326: ${TMPDIR:=$TMP}
a49d42c2 1327: ${TMPDIR:=/tmp}
e4e69e0b 1328
a49d42c2
MR
1329TMPC="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1330TMPE="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1331TMPH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1332TMPO="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1333TMPS="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1334TMPSH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
e4e69e0b 1335
993f2d0f
MR
1336# make sure we can execute files in $TMPDIR
1337cat > $TMPSH 2>> $logfile <<EOF
1338#! /bin/sh
1339EOF
1340chmod +x $TMPSH >> $logfile 2>&1
1341if ! $TMPSH >> $logfile 2>&1; then
1342 cat <<EOF
1343Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1344variable to another directory and make sure that it is not mounted noexec.
1345EOF
1346 die "Sanity test failed."
1347fi
1348rm $TMPSH
1349
1350# compiler sanity check
1351check_exec <<EOF
1352int main(void){ return 0; }
1353EOF
1354if test "$?" != 0; then
1355 echo "$cc is unable to create an executable file."
1356 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1357 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1358 echo "Only do this if you know what cross compiling means."
1359 fi
1360 die "C compiler test failed."
1361fi
1362
e9b9a2f8
MN
1363check_cflags -std=c99
1364
b24dbcbd
RP
1365case "$arch" in
1366 i386|i486|i586|i686|i86pc|BePC)
62045d48
DB
1367 arch="x86"
1368 subarch="x86_32"
b24dbcbd
RP
1369 enable fast_unaligned
1370 ;;
1371 x86_64|amd64)
62045d48
DB
1372 arch="x86"
1373 subarch="x86_32"
34b37f86
DM
1374 enable cmov
1375 enable fast_cmov
b24dbcbd 1376 enable fast_unaligned
62045d48 1377 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
b24dbcbd
RP
1378 int test[sizeof(char*) - 7];
1379EOF
1380 ;;
b24dbcbd 1381 arm|armv[4567]*l)
a2fc0f6a 1382 arch="arm"
b24dbcbd
RP
1383 ;;
1384 alpha)
1385 arch="alpha"
1386 enable fast_64bit
c0a02a3e 1387 check_cflags -mieee
b24dbcbd
RP
1388 ;;
1389 "Power Macintosh"|ppc|powerpc)
79cb09b2 1390 arch="ppc"
aa8bc0f1 1391 enable fast_unaligned
b24dbcbd
RP
1392 ;;
1393 ppc64)
79cb09b2 1394 arch="ppc"
b24dbcbd 1395 enable fast_64bit
aa8bc0f1 1396 enable fast_unaligned
b24dbcbd 1397 ;;
de3a1240 1398 mips|mipsel|IP*)
b24dbcbd
RP
1399 arch="mips"
1400 ;;
de3a1240
DB
1401 mips64)
1402 arch="mips"
1403 enable fast_64bit
1404 ;;
b24dbcbd 1405 sun4u|sparc64)
62045d48
DB
1406 arch="sparc"
1407 subarch="sparc64"
b24dbcbd
RP
1408 enable fast_64bit
1409 ;;
1410 sparc)
1411 arch="sparc"
1412 ;;
61597a98 1413 sh4|sh)
b24dbcbd
RP
1414 arch="sh4"
1415 ;;
61597a98 1416 parisc|hppa)
b24dbcbd
RP
1417 arch="parisc"
1418 ;;
61597a98 1419 parisc64|hppa64)
b24dbcbd
RP
1420 arch="parisc"
1421 enable fast_64bit
1422 ;;
1423 s390|s390x)
1424 arch="s390"
1425 ;;
1426 m68k)
1427 arch="m68k"
1428 ;;
1429 ia64)
1430 arch="ia64"
1431 enable fast_64bit
1432 ;;
1433 bfin)
1434 arch="bfin"
1435 ;;
1436 *)
1437 arch="unknown"
1438 ;;
1439esac
1440
62045d48 1441enable $arch $subarch
b24dbcbd 1442
7483e694 1443# OS specific
4f854758 1444case $target_os in
7483e694 1445 beos|haiku|zeta)
c9d19248 1446 prefix_default="$HOME/config"
7483e694 1447 # helps building libavcodec
0f010b2f 1448 add_cflags -DPIC -fomit-frame-pointer
7483e694
DB
1449 # 3 gcc releases known for BeOS, each with ugly bugs
1450 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1451 case "$gcc_version" in
1452 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1453 disable mmx
1454 ;;
1455 *20010315*) echo "BeBits gcc"
0f010b2f 1456 add_cflags -fno-expensive-optimizations
7483e694
DB
1457 ;;
1458 esac
7483e694
DB
1459 SHFLAGS=-nostart
1460 # enable BeOS things
1461 enable audio_beos
1462 # no need for libm, but the inet stuff
1463 # Check for BONE
1464 # XXX: actually should check for NOT net_server
78fe7631 1465 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1466 network_extralibs="-lbind -lsocket"
1467 else
1468 enable beos_netserver
1469 network_extralibs="-lnet"
1470 fi ;;
1471 sunos)
1472 FFSERVERLDFLAGS=""
9987769a 1473 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694 1474 network_extralibs="-lsocket -lnsl"
e193c74e 1475 add_cflags -D__EXTENSIONS__
7483e694
DB
1476 ;;
1477 netbsd)
1478 oss_demuxer_extralibs="-lossaudio"
1479 oss_muxer_extralibs="-lossaudio"
1480 ;;
1481 openbsd)
1482 disable need_memalign
1483 LIBOBJFLAGS='$(PIC)'
7483e694 1484 SHFLAGS='-shared'
7483e694
DB
1485 oss_demuxer_extralibs="-lossaudio"
1486 oss_muxer_extralibs="-lossaudio"
1487 ;;
1488 freebsd)
1489 disable need_memalign
1490 ;;
1491 bsd/os)
1492 osextralibs="-lpoll -lgnugetopt"
1493 strip="strip -d"
1494 ;;
1495 darwin)
1496 disable need_memalign
0138c54e 1497 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
9987769a 1498 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
7483e694
DB
1499 strip="strip -x"
1500 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1501 SLIBSUF=".dylib"
1502 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1503 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1504 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1505 objformat="macho"
1b0f6fb8 1506 enabled x86_64 && objformat="macho64"
7483e694
DB
1507 ;;
1508 mingw32*)
4f854758 1509 target_os=mingw32
dcc01c06 1510 LIBTARGET=i386
1fc9fb8a 1511 if enabled x86_64; then
dcc01c06
RP
1512 disable need_memalign
1513 LIBTARGET=x64
1514 fi
fbd971a4 1515 shlibdir_default="$bindir_default"
7483e694
DB
1516 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1517 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1518 if enabled swscale; then
7483e694
DB
1519 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1520 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1521 fi
1522 disable ffserver
1523 SLIBPREF=""
1524 SLIBSUF=".dll"
7483e694
DB
1525 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1526 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
dcc01c06 1527 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1528 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1529 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1530 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
71c61f62 1531 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1532 objformat="win32"
bc574408 1533 enable dos_paths
b1549d61 1534 if ! enabled x86_64; then
f7ad5aa2
RP
1535 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1536 die "ERROR: MinGW runtime version must be >= 3.15."
1537 enabled_any avisynth vfwcap_demuxer &&
1538 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1539 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1540 fi
7483e694
DB
1541 ;;
1542 cygwin*)
4f854758 1543 target_os=cygwin
fbd971a4 1544 shlibdir_default="$bindir_default"
7483e694
DB
1545 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1546 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1547 if enabled swscale; then
7483e694
DB
1548 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1549 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1550 fi
7483e694
DB
1551 SLIBPREF="cyg"
1552 SLIBSUF=".dll"
1553 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1554 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1555 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1556 objformat="win32"
bc574408 1557 enable dos_paths
7483e694 1558 ;;
4f365f37 1559 *-dos|freedos|opendos)
4f365f37
MK
1560 disable ffplay ffserver vhook
1561 disable $INDEV_LIST $OUTDEV_LIST
1562 network_extralibs="-lsocket"
ff1c015d 1563 objformat="coff"
bc574408 1564 enable dos_paths
4f365f37 1565 ;;
7483e694 1566 linux)
7483e694
DB
1567 enable dv1394
1568 ;;
1569 irix*)
4f854758 1570 target_os=irix
7483e694
DB
1571 ranlib="echo ignoring ranlib"
1572 ;;
d22e8442 1573 os/2*)
d22e8442
DY
1574 strip="lxlite"
1575 ln_s="cp -f"
d22e8442 1576 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1577 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1578 FFSERVERLDFLAGS=""
287d3b13 1579 LIBSUF="_s.a"
d22e8442
DY
1580 SLIBPREF=""
1581 SLIBSUF=".dll"
1582 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1583 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1584 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1585 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1586 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1587 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1588 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1589 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1590 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1591 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1592 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1593 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
c6eed369 1594 disable vhook
bc574408 1595 enable dos_paths
d22e8442 1596 ;;
269820f1
PR
1597 interix)
1598 disable vhook
1599 ;;
d22e8442 1600
7483e694 1601 *)
4f924f9a 1602 die "Unknown OS '$target_os'."
7483e694
DB
1603 ;;
1604esac
1605
c9d19248
MR
1606set_default $PATHS_LIST
1607
c597172e 1608add_extralibs $osextralibs
de6d9b64 1609
28d8e661
DB
1610# Combine FFLDFLAGS and the LDFLAGS environment variable.
1611LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1612
320d060a 1613# we need to build at least one lib type
93b3c083 1614if ! enabled_any static shared; then
320d060a
DB
1615 cat <<EOF
1616At least one library type must be built.
1617Specify --enable-static to build the static libraries or --enable-shared to
1618build the shared libraries as well. To only build the shared libraries specify
1619--disable-static in addition to --enable-shared.
1620EOF
1621 exit 1;
1622fi
1623
abc4e572 1624disabled static && LIBNAME=""
2a320695 1625
a2234ceb
RP
1626if enabled_any libfaad libfaadbin ; then
1627 if check_header faad.h; then
295b8c70 1628 check_cc <<EOF
a2234ceb
RP
1629#include <faad.h>
1630#ifndef FAAD2_VERSION
1631ok faad1
1632#endif
db817cf3 1633int main(void) { return 0; }
a2234ceb
RP
1634EOF
1635 test $? = 0 && enable libfaad2
1636 else
ff3dac65 1637 die "FAAD test failed."
a2234ceb
RP
1638 fi
1639fi
1640
1641
93b3c083 1642if ! enabled gpl; then
54118497
RP
1643 die_gpl_disabled(){
1644 name=$1
1645 shift
1646 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1647 }
4a24ab64 1648 die_gpl_disabled "The Postprocessing code" postproc
1cc60c47
DB
1649 die_gpl_disabled "libx264" libx264
1650 die_gpl_disabled "libxvidcore" libxvid
54118497
RP
1651 die_gpl_disabled "FAAD2" libfaad2
1652 die_gpl_disabled "The X11 grabber" x11grab
13ca50f3 1653 die_gpl_disabled "The software scaler" swscale
ebb810d9 1654fi
b2e3c528 1655
3fe142e2
DB
1656if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1657 die "libamr is nonfree and --enable-nonfree is not specified."
1658fi
1659
9eeed841 1660check_deps $ARCH_EXT_LIST
0f3cb305 1661
5d323602
MR
1662test -z "$need_memalign" && need_memalign="$mmx"
1663
cf9d24ad 1664#Darwin CC versions
4f854758 1665if test $target_os = darwin; then
3dddba4b 1666 if $cc -v 2>&1 | grep -q xlc; then
0f010b2f 1667 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
cf9d24ad 1668 else
0f010b2f
DB
1669 add_cflags -pipe
1670 check_cflags -force_cpusubtype_ALL
1671 check_cflags -Wno-sign-compare
f946a9a4 1672 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1673 fi
2a1a6b64
MN
1674fi
1675
40617a6d 1676disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1677
a4adb608 1678# Add processor-specific flags
38d0a8aa 1679if test $cpu != "generic"; then
bc8ec47b
MR
1680 warn_altivec(){
1681 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1682 }
38d0a8aa 1683 case $cpu in
bb270c08 1684 601|ppc601|PowerPC601)
0f010b2f 1685 add_cflags -mcpu=601
bc8ec47b 1686 warn_altivec enabled PPC601
bb270c08
DB
1687 ;;
1688 603*|ppc603*|PowerPC603*)
0f010b2f 1689 add_cflags -mcpu=603
bc8ec47b 1690 warn_altivec enabled PPC603
bb270c08
DB
1691 ;;
1692 604*|ppc604*|PowerPC604*)
0f010b2f 1693 add_cflags -mcpu=604
bc8ec47b 1694 warn_altivec enabled PPC604
bb270c08
DB
1695 ;;
1696 G3|g3|75*|ppc75*|PowerPC75*)
0f010b2f 1697 add_cflags -mcpu=750 -mpowerpc-gfxopt
bc8ec47b 1698 warn_altivec enabled PPC75x
bb270c08
DB
1699 ;;
1700 G4|g4|745*|ppc745*|PowerPC745*)
0f010b2f 1701 add_cflags -mcpu=7450 -mpowerpc-gfxopt
bc8ec47b 1702 warn_altivec disabled PPC745x
bb270c08
DB
1703 ;;
1704 74*|ppc74*|PowerPC74*)
0f010b2f 1705 add_cflags -mcpu=7400 -mpowerpc-gfxopt
bc8ec47b 1706 warn_altivec disabled PPC74xx
bb270c08
DB
1707 ;;
1708 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
0f010b2f 1709 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
bc8ec47b 1710 warn_altivec disabled PPC970
9cafbd6c 1711 enable ppc64
bb270c08 1712 ;;
e07e357d 1713 Cell|CELL|cell)
0f010b2f 1714 add_cflags -mcpu=cell
e07e357d 1715 warn_altivec disabled Cell
9cafbd6c 1716 enable ppc64
e07e357d 1717 ;;
e7768fc5
GP
1718 # targets that do NOT support conditional mov (cmov)
1719 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
0f010b2f 1720 add_cflags -march=$cpu
497237c7 1721 disable cmov
e7768fc5
GP
1722 ;;
1723 # targets that do support conditional mov (cmov)
416519dd 1724 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
0f010b2f 1725 add_cflags -march=$cpu
497237c7
RP
1726 enable cmov
1727 enable fast_cmov
94e4c3a3
GP
1728 ;;
1729 # targets that do support conditional mov but on which it's slow
800a5a19 1730 pentium4|pentium4m|prescott|nocona)
0f010b2f 1731 add_cflags -march=$cpu
497237c7
RP
1732 enable cmov
1733 disable fast_cmov
bb270c08 1734 ;;
d7b34d08 1735 sparc64)
0f010b2f 1736 add_cflags -mcpu=v9
d7b34d08 1737 ;;
f2e49553 1738 arm11*|cortex*)
0f010b2f 1739 add_cflags -mcpu=$cpu
f2e49553
MR
1740 enable fast_unaligned
1741 ;;
0223bd6f 1742 armv*)
0f010b2f 1743 add_cflags -march=$cpu
0223bd6f 1744 ;;
f2e49553 1745 arm*)
0f010b2f 1746 add_cflags -mcpu=$cpu
6b19786b 1747 ;;
1cd11856
MR
1748 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1749 add_cflags -mcpu=$cpu
1750 ;;
bb270c08 1751 *)
7483e694 1752 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1753 ;;
a4adb608
MN
1754 esac
1755fi
1756
b4d96ba2
MR
1757check_cc <<EOF || die "Symbol mangling check failed."
1758int ff_extern;
1759EOF
2f05d9c1 1760sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1761extern_prefix=${sym%%ff_extern*}
1762
61d251db
MR
1763check_asm inline_asm '""'
1764
9eeed841 1765if enabled x86; then
44965991
PI
1766 # check whether EBP is available on x86
1767 # As 'i' is stored on the stack, this program will crash
1768 # if the base pointer is used to access it because the
1769 # base pointer is cleared in the inline assembly code.
7dfef245 1770 check_exec_crash <<EOF && enable ebp_available
44965991 1771 volatile int i=0;
be449fca 1772 __asm__ volatile (
44965991
PI
1773 "xorl %%ebp, %%ebp"
1774 ::: "%ebp");
1775 return i;
44965991
PI
1776EOF
1777
1778 # check wether EBX is available on x86
940f335a 1779 check_asm ebx_available '"":::"%ebx"'
8e380710 1780
d3a4b4e0
DB
1781 # check whether more than 10 operands are supported
1782 check_cc <<EOF && enable ten_operands
1783int main(void) {
1784 int x=0;
1785 __asm__ volatile(
1786 ""
1787 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1788 );
1789 return 0;
1790}
1791EOF
1792
d7f0920b 1793 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1794 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
d7f0920b 1795 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
6bd859d6
MR
1796
1797 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 1798
d52481b9 1799 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d
LM
1800 enabled x86_64 && append YASMFLAGS "-m amd64"
1801 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1802 case "$objformat" in
1803 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1804 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1805 *) append YASMFLAGS "-DPREFIX" ;;
1806 esac
7595a5e4 1807 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
44965991
PI
1808fi
1809
87ea51e0
LB
1810# check for assembler specific support
1811
5b6c2cbd 1812enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
799fde37 1813enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
87ea51e0 1814
57bd82d4
MR
1815# check for SIMD availability
1816
115329f1 1817# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1818if enabled altivec; then
3ed1a2ee
DB
1819 check_cflags -maltivec -mabi=altivec &&
1820 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1821 check_cflags -faltivec
b6e52719 1822
0182fee8 1823 # check if our compiler supports Motorola AltiVec C API
497237c7 1824 check_cc <<EOF || disable altivec
dcd479c0 1825$inc_altivec_h
a9a07762
MN
1826int main(void) {
1827 vector signed int v1, v2, v3;
1828 v1 = vec_add(v2,v3);
1829 return 0;
1830}
1831EOF
b006b26c
DB
1832
1833 # check if our compiler supports braces for vector declarations
80a61f08 1834 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 1835$inc_altivec_h
80a61f08 1836int main (void) { (vector int) {1}; return 0; }
b006b26c 1837EOF
a9a07762 1838fi
ab6c65f6 1839
b4e806b2 1840# We have to check if pld is a nop and disable it.
a2fc0f6a 1841enabled arm && check_asm pld '"pld [r0]"'
940f335a
MR
1842enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1843enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
ab5cb084 1844enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
f55b299a 1845enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
1846enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1847enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 1848enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 1849enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 1850
0f010b2f 1851enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
8b03def6 1852
57bd82d4
MR
1853# ---
1854# big/little-endian test
9eebe687
MR
1855check_cc <<EOF || die "endian test failed"
1856unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 1857EOF
d04d9e16 1858od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 1859
a3999908 1860# ---
3d204385
NK
1861# check availability of some header files
1862
a98bb16d
RP
1863if check_func dlopen; then
1864 ldl=
1865elif check_func dlopen -ldl; then
1866 ldl=-ldl
8bf5d58f
MN
1867fi
1868
7483e694
DB
1869check_func fork
1870check_func gethrtime
1871check_func getrusage
094c09bb 1872check_func inet_aton $network_extralibs
7483e694
DB
1873check_func memalign
1874check_func mkstemp
1f91cdce 1875check_func posix_memalign
b507ebd1 1876check_func_headers io.h setmode
2446d3d6 1877check_func_headers windows.h GetProcessTimes
6ffa87d3 1878
e16e49ac 1879check_header conio.h
a98bb16d
RP
1880check_header dlfcn.h
1881check_header malloc.h
bf6ce82d 1882check_header poll.h
b58412f1 1883check_header sys/mman.h
b091aa44 1884check_header sys/resource.h
bf6ce82d 1885check_header sys/select.h
a98bb16d 1886check_header termios.h
272081b0
CEH
1887check_header vdpau/vdpau.h
1888check_header vdpau/vdpau_x11.h
68178ca9 1889check_header X11/extensions/XvMClib.h
a98bb16d 1890
1f91cdce
RP
1891if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1892 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 1893fi
e16e49ac 1894
a4fa192c 1895disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 1896disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
1897
1898# check for some common methods of building with pthread support
1899# do this before the optional library checks as some of them require pthreads
1900if enabled pthreads; then
9e7fd101
MR
1901 if check_func pthread_create; then
1902 :
1903 elif check_func pthread_create -pthread; then
1904 add_cflags -pthread
afc9aee2 1905 add_extralibs -pthread
9e7fd101
MR
1906 elif check_func pthread_create -pthreads; then
1907 add_cflags -pthreads
afc9aee2 1908 add_extralibs -pthreads
8d94f606
GT
1909 elif check_func pthread_create -lpthreadGC2; then
1910 add_extralibs -lpthreadGC2
9e7fd101
MR
1911 elif ! check_lib pthread.h pthread_create -lpthread; then
1912 die "ERROR: can't find pthreads library"
1913 fi
57bd82d4
MR
1914fi
1915
8eee7025 1916for thread in $THREADS_LIST; do
e5f94c2b 1917 if enabled $thread; then
3ae3b721
RP
1918 test -n "$thread_type" &&
1919 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 1920 thread_type="$thread"
e5f94c2b
RP
1921 fi
1922done
1923
fdf88598
MR
1924check_lib math.h sin -lm
1925
a33cab3a 1926# test for C99 functions in math.h
7b04b8a0 1927for func in llrint lrint lrintf round roundf truncf; do
a33cab3a 1928 check_exec <<EOF && enable $func || disable $func
f32adb22 1929#include <math.h>
a33cab3a 1930int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 1931EOF
a33cab3a 1932done
f32adb22 1933
57bd82d4 1934# these are off by default, so fail if requested and not available
79fda097 1935enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
7483e694
DB
1936enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1937enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
e3cc7d6f 1938enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
36718e51
DB
1939 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1940 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
1941enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1942enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694 1943enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2bfecf73 1944enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 1945enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
3d6fac8c 1946enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
1947enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1948 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 1949enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
7483e694
DB
1950enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1951enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2bfecf73 1952enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
57f0ec6e
MR
1953 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1954 die "ERROR: libx264 version must be >= 0.65."; }
2bfecf73 1955enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 1956enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 1957
0b4a1821
AS
1958# libdc1394 check
1959if enabled libdc1394; then
1960 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1961 enable libdc1394_2; } ||
1962 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1963 enable libdc1394_1; } ||
1964 die "ERROR: No version of libdc1394 found "
1965fi
1966
1967
c13e1abd
FH
1968_restrict=
1969for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 1970 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
1971void foo(char * $restrict_keyword p);
1972EOF
c13e1abd
FH
1973done
1974
703afd07 1975test "$vhook" = "default" && vhook="$dlopen"
a8721c09 1976
4f854758 1977if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
497237c7 1978 disable vhook
fbb9d104 1979 echo
b0268cc0 1980 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
fbb9d104
VP
1981 echo "Patches welcome."
1982 echo
1983fi
1984
8d923001
MR
1985if enabled vhook; then
1986 check_ldflags -rdynamic
1987 check_ldflags -export-dynamic
1988fi
bfd2edeb 1989
eea50282
MR
1990check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1991check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
04511d53 1992
a86b921c 1993##########################################
29799f8b 1994# SDL check
a86b921c 1995
497237c7
RP
1996disable sdl_too_old
1997disable sdl
6a1a892f 1998SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 1999if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
225e21ef
MR
2000 sdl_cflags=`"${SDL_CONFIG}" --cflags`
2001 temp_cflags $sdl_cflags
dcd479c0 2002 temp_extralibs `"${SDL_CONFIG}" --libs`
1ca5d97f 2003 if check_lib2 SDL.h SDL_Init; then
dcd479c0 2004 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
29f3b38a 2005 if test "$_sdlversion" -lt 121 ; then
497237c7 2006 enable sdl_too_old
dcd479c0 2007 else
497237c7 2008 enable sdl
225e21ef 2009 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 2010#include <SDL.h>
d6773f56 2011int main(int argc, char **argv){
29f3b38a
MR
2012 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2013 int w = vi->current_w;
2014 return 0;
2015}
2016EOF
dcd479c0
MR
2017 fi
2018 fi
29f3b38a 2019 restore_flags
c3f6b472 2020fi
57bd82d4 2021
2270b4b2 2022texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2023
7a91333f 2024##########################################
73b46a95
RP
2025# Network check
2026
2027if enabled network; then
96000432 2028 check_type "sys/types.h sys/socket.h" socklen_t
73b46a95
RP
2029 # Prefer arpa/inet.h over winsock2
2030 if check_header arpa/inet.h ; then
2031 check_func closesocket
2032 elif check_header winsock2.h ; then
ea10ddde 2033 network_extralibs="-lws2_32"
72be9e73 2034 check_type ws2tcpip.h socklen_t
2446d3d6 2035 check_func_headers winsock2.h closesocket
73b46a95
RP
2036 fi
2037fi
2038
2039##########################################
29799f8b 2040# IPv6 check
7a91333f 2041
497237c7 2042enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
2043#include <sys/types.h>
2044#include <sys/socket.h>
2045#include <netinet/in.h>
2046#include <netdb.h>
db817cf3 2047int main(void) {
7483e694
DB
2048 struct sockaddr_storage saddr;
2049 struct ipv6_mreq mreq6;
2050 getaddrinfo(0,0,0,0);
2051 getnameinfo(0,0,0,0,0,0,0);
2052 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
2053}
2054EOF
2055
06e31011
RP
2056check_header linux/videodev.h
2057check_header linux/videodev2.h
1b6e8b73 2058check_header sys/videoio.h
47f38850 2059
2446d3d6 2060check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 2061
f8aa696f 2062# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2063{ check_header dev/bktr/ioctl_meteor.h &&
2064 check_header dev/bktr/ioctl_bt848.h; } ||
2065{ check_header machine/ioctl_meteor.h &&
2066 check_header machine/ioctl_bt848.h; } ||
2067{ check_header dev/video/meteor/ioctl_meteor.h &&
2068 check_header dev/video/bktr/ioctl_bt848.h; } ||
2069check_header dev/ic/bt8xx.h
f8aa696f 2070
c7682de0
RP
2071check_header sys/soundcard.h
2072check_header soundcard.h
deb29777 2073
35fd8122
NG
2074check_header alsa/asoundlib.h &&
2075check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2076
7483e694 2077# deal with the X11 frame grabber
56a059ac 2078enabled x11grab &&
f58f4ce1
GP
2079check_header X11/Xlib.h &&
2080check_header X11/extensions/XShm.h &&
2081check_func XOpenDisplay -lX11 &&
06eab4ba 2082check_func XShmCreateImage -lX11 -lXext
f58f4ce1 2083
40bcf4c7 2084enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
2085
2086# add some useful compiler flags if supported
2087check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2088check_cflags -Wall
2089check_cflags -Wno-switch
c07bd6a9
MN
2090check_cflags -Wdisabled-optimization
2091check_cflags -Wpointer-arith
2092check_cflags -Wredundant-decls
cc1fb623 2093check_cflags -Wno-pointer-sign
f4929996 2094check_cflags -Wcast-qual
9aceb3cf 2095check_cflags -Wwrite-strings
652a5bf6 2096check_cflags -Wtype-limits
764551c6 2097check_cflags -Wundef
5af4e0cc 2098enabled extra_warnings && check_cflags -Winline
cf9d24ad 2099
57bd82d4 2100# add some linker flags
5c0e9479 2101check_ldflags -Wl,--warn-common
8351d2ba
DB
2102check_ldflags -Wl,--as-needed
2103check_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 2104check_ldflags -Wl,-Bsymbolic
94a3401e 2105
bd2216e4
MR
2106if enabled small; then
2107 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
2108 optimizations="small"
2109elif enabled optimizations; then
3dddba4b 2110 if $cc -v 2>&1 | grep -q xlc; then
0f010b2f
DB
2111 add_cflags -O5
2112 add_ldflags -O5
cf9d24ad 2113 else
0f010b2f 2114 add_cflags -O3
cf9d24ad 2115 fi
cddf3f45 2116fi
11fdbc44 2117check_cflags -fno-math-errno
b2eb2ff0 2118check_cflags -fno-signed-zeros
cddf3f45 2119
504a64b9 2120# add some flags for Intel C Compiler
0c45cd07 2121if $cc --version 2> /dev/null | grep -q Intel; then
504a64b9
CEH
2122 # Just warnings, no remarks
2123 check_cflags -w1
2124 # -wd: Disable following warnings
2125 # 144, 167, 556: -Wno-pointer-sign
2126 # 10006: ignoring unknown option -fno-signed-zeros
2127 # 10156: ignoring option '-W'; no argument required
2128 check_cflags -wd144,167,556,10006,10156
2129 # 11030: Warning unknown option --as-needed
2130 # 10156: ignoring option '-export'; no argument required
2131 check_ldflags -wd10156,11030
907eb3b5
CEH
2132 # Allow to compile with optimizations
2133 check_ldflags -march=$cpu
504a64b9
CEH
2134fi
2135
80581e98 2136# PIC flags for shared library objects where they are needed
5af4e0cc 2137if enabled shared; then
569cb218
MR
2138 # LIBOBJFLAGS may have already been set in the OS configuration
2139 if test -z "$LIBOBJFLAGS" ; then
a8e28698 2140 case "${subarch-$arch}" in
b6bd7268 2141 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
2142 esac
2143 fi
80581e98
MN
2144fi
2145
90be59ef 2146if enabled gprof; then
0f010b2f
DB
2147 add_cflags -p
2148 add_ldflags -p
1db54e20
DB
2149fi
2150
3b26ee47 2151VHOOKCFLAGS="-fPIC"
18451f7d 2152
7f3c02fc 2153# Find out if the .align argument is a power of two or not.
9377b6ce 2154check_asm asmalign_pot '".align 3"'
4454dc1b 2155
7483e694
DB
2156enabled_any $DECODER_LIST && enable decoders
2157enabled_any $ENCODER_LIST && enable encoders
2158enabled_any $BSF_LIST && enable bsfs
2159enabled_any $DEMUXER_LIST && enable demuxers
2160enabled_any $MUXER_LIST && enable muxers
f7679c54 2161enabled_any $FILTER_LIST && enable filters
7483e694
DB
2162enabled_any $INDEV_LIST && enable demuxers
2163enabled_any $OUTDEV_LIST && enable muxers
2164enabled_any $PROTOCOL_LIST && enable protocols
2165
2166enabled_any $THREADS_LIST && enable threads
2167
2168check_deps $CONFIG_LIST \
b6bb00b0 2169 $CONFIG_EXTRA \
7483e694
DB
2170 $HAVE_LIST \
2171 $DECODER_LIST \
2172 $ENCODER_LIST \
2173 $PARSER_LIST \
2174 $BSF_LIST \
2175 $DEMUXER_LIST \
2176 $MUXER_LIST \
f7679c54 2177 $FILTER_LIST \
7483e694
DB
2178 $INDEV_LIST \
2179 $OUTDEV_LIST \
2180 $PROTOCOL_LIST \
f70f03f6 2181
3e89171a 2182echo "install prefix $prefix"
f36958f8
DB
2183echo "source path $source_path"
2184echo "C compiler $cc"
bfd5afd8 2185echo ".align is power-of-two $asmalign_pot"
f36958f8 2186echo "ARCH $arch ($cpu)"
ce8871c2
MR
2187if test "$build_suffix" != ""; then
2188 echo "build suffix $build_suffix"
eb94aca9 2189fi
ac63af34
DB
2190if test "$extra_version" != ""; then
2191 echo "version string suffix $extra_version"
2192fi
0db2ce77 2193echo "big-endian ${bigendian-no}"
5b6c2cbd 2194if enabled x86; then
af44e8e4 2195 echo "yasm ${yasm-no}"
0db2ce77 2196 echo "MMX enabled ${mmx-no}"
30e98e62 2197 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2198 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2199 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2200 echo "SSE enabled ${sse-no}"
30e98e62 2201 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2202 echo "CMOV enabled ${cmov-no}"
2203 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2204 echo "EBX available ${ebx_available-no}"
2205 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2206 echo "10 operands supported ${ten_operands-no}"
e41e8342 2207fi
5b6c2cbd 2208if enabled arm; then
0db2ce77
MR
2209 echo "ARMv5TE enabled ${armv5te-no}"
2210 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2211 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2212 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2213 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2214 echo "NEON enabled ${neon-no}"
eba9ae3c 2215fi
5b6c2cbd 2216if enabled mips; then
0db2ce77 2217 echo "MMI enabled ${mmi-no}"
e41e8342 2218fi
5b6c2cbd 2219if enabled ppc; then
0db2ce77 2220 echo "AltiVec enabled ${altivec-no}"
30e98e62 2221 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2222 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2223 echo "performance report ${powerpc_perf-no}"
2224fi
2225if enabled sparc; then
2226 echo "VIS enabled ${vis-no}"
e41e8342 2227fi
0db2ce77
MR
2228echo "gprof enabled ${gprof-no}"
2229echo "debug symbols ${debug-no}"
87a0fb62 2230echo "strip symbols ${stripping-no}"
8400d6b8 2231echo "optimizations ${optimizations-no}"
0db2ce77
MR
2232echo "static ${static-no}"
2233echo "shared ${shared-no}"
4a24ab64 2234echo "postprocessing support ${postproc-no}"
13ca50f3 2235echo "software scaler enabled ${swscale-no}"
f7679c54 2236echo "new filter support ${avfilter-no}"
81124ba0 2237echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2238echo "video hooking ${vhook-no}"
90be59ef 2239if enabled vhook; then
0db2ce77
MR
2240 echo "Imlib2 support ${imlib2-no}"
2241 echo "FreeType support ${freetype2-no}"
68892110 2242fi
0db2ce77 2243echo "network support ${network-no}"
90be59ef 2244if enabled network; then
0db2ce77 2245 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2246fi
0db2ce77
MR
2247echo "threading support ${thread_type-no}"
2248echo "SDL support ${sdl-no}"
90be59ef 2249if enabled sdl_too_old; then
bfd5afd8
DB
2250 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2251fi
0db2ce77
MR
2252echo "Sun medialib support ${mlib-no}"
2253echo "AVISynth enabled ${avisynth-no}"
0db2ce77
MR
2254echo "libamr-nb support ${libamr_nb-no}"
2255echo "libamr-wb support ${libamr_wb-no}"
f7b8bffe 2256echo "libdc1394 support ${libdc1394-no}"
690bfceb 2257echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2258echo "libfaac enabled ${libfaac-no}"
2259echo "libfaad enabled ${libfaad-no}"
7e0871a7 2260echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2261echo "libgsm enabled ${libgsm-no}"
2262echo "libmp3lame enabled ${libmp3lame-no}"
2263echo "libnut enabled ${libnut-no}"
9a77d59a 2264echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2265echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2266echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2267echo "libtheora enabled ${libtheora-no}"
2268echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2269echo "libx264 enabled ${libx264-no}"
2270echo "libxvid enabled ${libxvid-no}"
272081b0 2271echo "vdpau enabled ${vdpau-no}"
0db2ce77 2272echo "zlib enabled ${zlib-no}"
f402916e 2273echo "bzlib enabled ${bzlib-no}"
2c62e737 2274echo
de6d9b64 2275
f7679c54 2276for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2277 echo "Enabled ${type}s:"
f65c9da1 2278 eval list=\$$(toupper $type)_LIST
8138b9db 2279 for part in $list; do
f65c9da1
MR
2280 enabled $part && echo ${part%_*}
2281 done | sort | pr -3 -t
2282 echo
8138b9db
RP
2283done
2284
ba321adb
JK
2285license="LGPL"
2286if enabled nonfree; then
2287 license="unredistributable"
2288elif enabled gpl; then
2289 license="GPL"
2290fi
2291
2292echo "License: $license"
ca5323af 2293
cf1392e9
DB
2294echo "Creating config.mak and config.h..."
2295
29799f8b
DB
2296echo "# Automatically generated by configure - do not modify!" > config.mak
2297echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2298echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2299echo "#define FFMPEG_CONFIG_H" >> $TMPH
0fd12426 2300echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
14a8acf1 2301echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
de6d9b64 2302
d921f03f 2303echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2304echo "prefix=$prefix" >> config.mak
22a324da
DB
2305echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2306echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2307echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2308echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
14a8acf1 2309echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
22a324da 2310echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
980fc7b8 2311echo "CC=$cc" >> config.mak
304d586d 2312echo "YASM=$yasmexe" >> config.mak
980fc7b8 2313echo "AR=$ar" >> config.mak
be7109c1 2314echo "RANLIB=$ranlib" >> config.mak
20369773 2315echo "LN_S=$ln_s" >> config.mak
87a0fb62 2316enabled stripping &&
3ae3b721 2317 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2318 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2319
a9b3f630 2320echo "OPTFLAGS=$CFLAGS" >> config.mak
2270b4b2 2321echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
0f3cb305 2322echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2323echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2324echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2325echo "YASMFLAGS=$YASMFLAGS" >> config.mak
408382a4 2326echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
fbb9d104 2327echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
80581e98 2328echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2329echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2330echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2331echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2332echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2333echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2334echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2335echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2336echo "SLIBSUF=$SLIBSUF" >> config.mak
2337echo "EXESUF=$EXESUF" >> config.mak
ac63af34 2338echo "EXTRA_VERSION=$extra_version" >> config.mak
315c741d 2339echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
9da6609f
MR
2340echo "HOSTCC=$host_cc" >> config.mak
2341echo "HOSTCFLAGS=$host_cflags" >> config.mak
2342echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2343echo "HOSTLIBS=$host_libs" >> config.mak
a7ada2ba
MR
2344echo "TARGET_EXEC=$target_exec" >> config.mak
2345echo "TARGET_PATH=$target_path" >> config.mak
4dc62701 2346
90be59ef 2347if enabled bigendian; then
7483e694
DB
2348 echo "WORDS_BIGENDIAN=yes" >> config.mak
2349 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2350fi
44161118 2351
90be59ef 2352if enabled sdl; then
7483e694
DB
2353 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2354 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
a86b921c 2355fi
90be59ef 2356if enabled texi2html; then
7483e694 2357 echo "BUILD_DOC=yes" >> config.mak
146ea952 2358fi
5a872801 2359
719c8e00
MR
2360get_version(){
2361 name=$1
2362 file=$source_path/$2
147e7692
MR
2363 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2364 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2365 lcname=$(tolower $name)
2366 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2367 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2368}
2369
147e7692
MR
2370get_version LIBSWSCALE libswscale/swscale.h
2371get_version LIBPOSTPROC libpostproc/postprocess.h
2372get_version LIBAVCODEC libavcodec/avcodec.h
2373get_version LIBAVDEVICE libavdevice/avdevice.h
2374get_version LIBAVFORMAT libavformat/avformat.h
2375get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2376get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2377
5af4e0cc 2378if enabled shared; then
7483e694
DB
2379 echo "BUILD_SHARED=yes" >> config.mak
2380 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2381 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2382 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2383 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2384 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2385 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2386 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2387 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2388 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2389fi
d7e27559 2390echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2391echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2392
7b5e8a27
DB
2393echo "ARCH=$arch" >> config.mak
2394
3d907e22
MR
2395print_config ARCH_ $TMPH config.mak $ARCH_LIST
2396print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2397print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2398 $CONFIG_EXTRA \
7483e694
DB
2399 $DECODER_LIST \
2400 $ENCODER_LIST \
2401 $PARSER_LIST \
2402 $BSF_LIST \
2403 $DEMUXER_LIST \
2404 $MUXER_LIST \
f7679c54 2405 $FILTER_LIST \
7483e694
DB
2406 $PROTOCOL_LIST \
2407 $INDEV_LIST \
2408 $OUTDEV_LIST \
8ac17293 2409
c13e1abd
FH
2410echo "#define restrict $_restrict" >> $TMPH
2411
bd2216e4 2412if enabled small; then
7483e694 2413 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2414fi
2415
997baf01
MR
2416echo "SRC_PATH=\"$source_path\"" >> config.mak
2417echo "SRC_PATH_BARE=$source_path" >> config.mak
2418echo "BUILD_ROOT=\"$PWD\"" >> config.mak
0f3cb305 2419
8156056e 2420# Apparently it's not possible to portably echo a backslash.
3ae3b721 2421enabled asmalign_pot &&
7483e694 2422 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
295b8c70 2423 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2424
b4d96ba2 2425echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2426
9c05103f
DB
2427echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2428
b7860763 2429# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2430cmp -s $TMPH config.h &&
2431 echo "config.h is unchanged" ||
2432 mv -f $TMPH config.h
3d204385 2433
cea0ac52 2434rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
def4272a 2435
165af439 2436# build tree in object directory if source path is different from current one
90be59ef 2437if enabled source_path_used; then
165af439 2438 DIRS="\
7483e694
DB
2439 doc \
2440 libavcodec \
2441 libavcodec/alpha \
a2fc0f6a 2442 libavcodec/arm \
7483e694 2443 libavcodec/bfin \
7483e694
DB
2444 libavcodec/mlib \
2445 libavcodec/ppc \
2446 libavcodec/sh4 \
2447 libavcodec/sparc \
a6493a8f 2448 libavcodec/x86 \
52a9cf34 2449 libavdevice \
f7679c54 2450 libavfilter \
7483e694
DB
2451 libavformat \
2452 libavutil \
2453 libpostproc \
2454 libswscale \
2455 tests \
2456 tools \
2457 vhook \
2458 "
165af439 2459 FILES="\
7483e694
DB
2460 Makefile \
2461 common.mak \
71c61f62 2462 subdir.mak \
7483e694
DB
2463 doc/texi2pod.pl \
2464 libavcodec/Makefile \
52a9cf34 2465 libavdevice/Makefile \
f7679c54 2466 libavfilter/Makefile \
7483e694
DB
2467 libavformat/Makefile \
2468 libavutil/Makefile \
2469 libpostproc/Makefile \
2470 libswscale/Makefile \
2471 "
165af439 2472 for dir in $DIRS ; do
7483e694 2473 mkdir -p $dir
165af439
MR
2474 done
2475 for f in $FILES ; do
20369773 2476 $ln_s "$source_path/$f" $f
165af439
MR
2477 done
2478fi
def4272a 2479
def4272a 2480
d0674868 2481# build pkg-config files
def4272a 2482
d0674868
DB
2483pkgconfig_generate(){
2484name=$1
b0dfd108 2485shortname=${name#lib}${build_suffix}
d0674868
DB
2486comment=$2
2487version=$3
2488libs=$4
2489requires=$5
25cd5cb3 2490cat <<EOF > $name/$name.pc
3e89171a 2491prefix=$prefix
a94e666c 2492exec_prefix=\${prefix}
f2b7382c 2493libdir=$libdir
7622778e 2494includedir=$incdir
def4272a 2495
d0674868
DB
2496Name: $name
2497Description: $comment
2498Version: $version
5dcfe9f8
AH
2499Requires: $(disabled shared && echo $requires)
2500Requires.private: $(enabled shared && echo $requires)
def4272a 2501Conflicts:
12701f6e
AH
2502Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2503Libs.private: $(enabled shared && echo $libs)
76a448ed 2504Cflags: -I\${includedir}
def4272a 2505EOF
25cd5cb3 2506cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2507prefix=
2508exec_prefix=
46d1ff83 2509libdir=\${pcfiledir}
1d44d365 2510includedir=${source_path}
def4272a 2511
d0674868
DB
2512Name: $name
2513Description: $comment
2514Version: $version
2515Requires: $requires
def4272a 2516Conflicts:
12701f6e 2517Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2518Cflags: -I\${includedir}
2519EOF
d0674868 2520}
def4272a 2521
e426941d 2522pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
2523pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2524pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2525pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2526enabled avfilter &&
46983309 2527 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2528enabled postproc &&
e426941d 2529 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
13ca50f3 2530if enabled swscale; then
e426941d 2531 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
6c0d0413 2532else
46983309 2533 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavcodec = $LIBAVCODEC_VERSION"
25cd5cb3 2534 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
6c0d0413 2535fi