Merge declaration and initialization of io_buffer_size
[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]"
74c53c2d 67 echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
84c22efd 68 echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
5341d856 69 echo " --incdir=DIR install includes in DIR [PREFIX/include]"
4ca5ece5 70 echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
e6b9d588
DB
71 echo " --enable-static build static libraries [yes]"
72 echo " --disable-static do not build static libraries [no]"
73 echo " --enable-shared build shared libraries [no]"
74 echo " --disable-shared do not build shared libraries [yes]"
0a23c0bb
DB
75 echo " --enable-gpl allow use of GPL code, the resulting libs"
76 echo " and binaries will be under GPL [no]"
77 echo " --enable-nonfree allow use of nonfree code, the resulting libs"
78 echo " and binaries will be unredistributable [no]"
e6b9d588 79 echo " --enable-postproc enable GPLed postprocessing support [no]"
0a23c0bb 80 echo " --enable-swscale enable GPLed software scaler support [no]"
e6b9d588 81 echo " --enable-avfilter video filter support (replaces vhook) [no]"
0a23c0bb 82 echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
4f50c3d5 83 echo " --disable-vhook disable video hooking support"
e6b9d588
DB
84 echo " --enable-beosthreads use BeOS threads [no]"
85 echo " --enable-os2threads use OS/2 threads [no]"
86 echo " --enable-pthreads use pthreads [no]"
272081b0 87 echo " --enable-vdpau enable VDPAU support [no]"
e6b9d588
DB
88 echo " --enable-w32threads use Win32 threads [no]"
89 echo " --enable-x11grab enable X11 grabbing [no]"
68178ca9 90 echo " --enable-xvmc enable XvMC support [no]"
0a622b98
MR
91 echo
92 echo "External library support:"
0a23c0bb
DB
93 echo " --enable-mlib enable Sun medialib [no]"
94 echo " --enable-avisynth enable reading of AVISynth script files [no]"
27cb5cbc
CEH
95 echo " --enable-bzlib enable bzlib [autodetect]"
96 echo " --enable-libamr-nb enable libamr-nb floating point audio codec [no]"
97 echo " --enable-libamr-wb enable libamr-wb floating point audio codec [no]"
f7b8bffe 98 echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
e6b9d588
DB
99 echo " and libraw1394 [no]"
100 echo " --enable-libdirac enable Dirac support via libdirac [no]"
101 echo " --enable-libfaac enable FAAC support via libfaac [no]"
102 echo " --enable-libfaad enable FAAD support via libfaad [no]"
103 echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
104 echo " --enable-libgsm enable GSM support via libgsm [no]"
105 echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
31235134 106 echo " --enable-libnut enable NUT (de)muxing via libnut,"
0a23c0bb 107 echo " native (de)muxer exists [no]"
e6b9d588
DB
108 echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
109 echo " --enable-libspeex enable Speex decoding via libspeex [no]"
110 echo " --enable-libtheora enable Theora encoding via libtheora [no]"
f9def9cc 111 echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
e6b9d588
DB
112 echo " native implementation exists [no]"
113 echo " --enable-libx264 enable H.264 encoding via x264 [no]"
1cc60c47 114 echo " --enable-libxvid enable Xvid encoding via xvidcore,"
e6b9d588 115 echo " native MPEG-4/Xvid encoder exists [no]"
27cb5cbc 116 echo " --enable-zlib enable zlib [autodetect]"
74c53c2d
MR
117 echo ""
118 echo "Advanced options (experts only):"
119 echo " --source-path=PATH path to source code [$source_path]"
120 echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
db6107b6 121 echo " --enable-cross-compile assume a cross-compiler is used"
4f854758 122 echo " --target-os=OS compiler targets OS [$target_os]"
a7ada2ba
MR
123 echo " --target-exec=CMD command to run executables on target"
124 echo " --target-path=DIR path to view of build directory on target"
89641463 125 echo " --nm=NM use nm tool"
74c53c2d 126 echo " --cc=CC use C compiler CC [$cc]"
9da6609f
MR
127 echo " --host-cc=HOSTCC use host C compiler HOSTCC"
128 echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
129 echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
130 echo " --host-libs=HLIBS use libs HLIBS when linking for host"
74c53c2d
MR
131 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
132 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
133 echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
ac63af34 134 echo " --extra-version=STRING version string suffix []"
0a23c0bb
DB
135 echo " --build-suffix=SUFFIX library name suffix []"
136 echo " --arch=ARCH select architecture [$arch]"
137 echo " --cpu=CPU select the minimum required CPU (affects"
7c758d33 138 echo " instruction selection, may crash on older CPUs)"
2b4c3615 139 echo " --enable-powerpc-perf enable performance report on PPC"
74c53c2d 140 echo " (requires enabling PMC)"
4f50c3d5 141 echo " --disable-altivec disable AltiVec optimizations"
0a23c0bb
DB
142 echo " --disable-mmx disable MMX optimizations"
143 echo " --disable-mmx2 disable MMX2 optimizations"
1bb04d5a 144 echo " --disable-sse disable SSE optimizations"
0a23c0bb
DB
145 echo " --disable-ssse3 disable SSSE3 optimizations"
146 echo " --disable-armv5te disable armv5te optimizations"
147 echo " --disable-armv6 disable armv6 optimizations"
26c7aa17 148 echo " --disable-armv6t2 disable armv6t2 optimizations"
3bbcba32 149 echo " --disable-armvfp disable ARM VFP optimizations"
0a23c0bb 150 echo " --disable-iwmmxt disable iwmmxt optimizations"
49276307
DB
151 echo " --disable-mmi disable MMI optimizations"
152 echo " --disable-neon disable neon optimizations"
153 echo " --disable-vis disable VIS optimizations"
e6b9d588 154 echo " --disable-network disable network support [no]"
0a23c0bb 155 echo " --disable-ipv6 disable IPv6 support [no]"
74c53c2d 156 echo " --disable-mpegaudio-hp faster (but less accurate)"
e6b9d588 157 echo " MPEG audio decoding [no]"
e8ed9b7a 158 echo " --disable-aandct disable AAN DCT code"
49276307
DB
159 echo " --disable-fft disable FFT code"
160 echo " --disable-golomb disable Golomb code"
161 echo " --disable-mdct disable MDCT code"
cde9e780 162 echo " --enable-gray enable full grayscale support (slower color)"
786b30af 163 echo " --disable-ffmpeg disable ffmpeg build"
74c53c2d 164 echo " --disable-ffplay disable ffplay build"
4f50c3d5 165 echo " --disable-ffserver disable ffserver build"
74c53c2d 166 echo " --enable-small optimize for size instead of speed"
3abe5fbd 167 echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
74c53c2d 168 echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
49276307 169 echo " --enable-beos-netserver enable BeOS netserver"
0a23c0bb
DB
170 echo " --disable-encoder=NAME disable encoder NAME"
171 echo " --enable-encoder=NAME enable encoder NAME"
4f50c3d5 172 echo " --disable-encoders disable all encoders"
0a23c0bb
DB
173 echo " --disable-decoder=NAME disable decoder NAME"
174 echo " --enable-decoder=NAME enable decoder NAME"
0a23c0bb
DB
175 echo " --disable-decoders disable all decoders"
176 echo " --disable-muxer=NAME disable muxer NAME"
177 echo " --enable-muxer=NAME enable muxer NAME"
178 echo " --disable-muxers disable all muxers"
179 echo " --disable-demuxer=NAME disable demuxer NAME"
180 echo " --enable-demuxer=NAME enable demuxer NAME"
181 echo " --disable-demuxers disable all demuxers"
182 echo " --enable-parser=NAME enable parser NAME"
183 echo " --disable-parser=NAME disable parser NAME"
184 echo " --disable-parsers disable all parsers"
185 echo " --enable-bsf=NAME enable bitstream filter NAME"
186 echo " --disable-bsf=NAME disable bitstream filter NAME"
187 echo " --disable-bsfs disable all bitstream filters"
188 echo " --enable-protocol=NAME enable protocol NAME"
189 echo " --disable-protocol=NAME disable protocol NAME"
190 echo " --disable-protocols disable all protocols"
49276307
DB
191 echo " --disable-indevs disable input devices"
192 echo " --disable-outdevs disable output devices"
0a23c0bb
DB
193 echo " --disable-devices disable all devices"
194 echo " --enable-filter=NAME enable filter NAME"
195 echo " --disable-filter=NAME disable filter NAME"
196 echo " --disable-filters disable all filters"
794f8e97
PI
197 echo " --list-decoders show all available decoders"
198 echo " --list-encoders show all available encoders"
199 echo " --list-muxers show all available muxers"
200 echo " --list-demuxers show all available demuxers"
201 echo " --list-parsers show all available parsers"
202 echo " --list-protocols show all available protocols"
203 echo " --list-bsfs show all available bitstream filters"
c552605c
DB
204 echo " --list-indevs show all available input devices"
205 echo " --list-outdevs show all available output devices"
1865259f 206 echo " --list-filters show all available filters"
0a622b98
MR
207 echo
208 echo "Developer options (useful when working on FFmpeg itself):"
9c56a1f9 209 echo " --disable-debug disable debugging symbols"
b7d49373 210 echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
0a622b98 211 echo " --enable-gprof enable profiling with gprof [$gprof]"
d2bbb2f7 212 echo " --disable-optimizations disable compiler optimizations"
0a622b98 213 echo " --enable-extra-warnings enable more compiler warnings"
87a0fb62 214 echo " --disable-stripping disable stripping of executables and shared libraries"
74c53c2d
MR
215 echo ""
216 echo "NOTE: Object files are built at the place where configure is launched."
60e8bc13 217 exit 0
74c53c2d 218}
cf9d24ad 219
57bd82d4 220log(){
2270b4b2 221 echo "$@" >> $logfile
57bd82d4
MR
222}
223
720c69da 224log_file(){
c8e9f801 225 log BEGIN $1
2270b4b2 226 pr -n -t $1 >> $logfile
c8e9f801
MR
227 log END $1
228}
229
2ba042a7 230echolog(){
c8e9f801 231 log "$@"
57bd82d4 232 echo "$@"
2ba042a7
MR
233}
234
235die(){
236 echolog "$@"
237 cat <<EOF
238If you think configure made a mistake, make sure you are using the latest
239version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 240ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 241EOF
e155a21a 242 if disabled logging; then
2ba042a7 243 cat <<EOF
e155a21a
DB
244Rerun configure with logging enabled (do not use --disable-logging), and
245include the log this produces with your report.
2ba042a7
MR
246EOF
247 else
248cat <<EOF
e155a21a
DB
249Include the log file "$logfile" produced by configure as this will help
250solving the problem.
2ba042a7
MR
251EOF
252 fi
cea0ac52 253 rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
57bd82d4
MR
254 exit 1
255}
256
6c6007d6 257# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 258toupper(){
6c6007d6 259 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
260}
261
4a5444db 262tolower(){
6c6007d6 263 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
264}
265
a8d04fba
MR
266set_all(){
267 value=$1
268 shift
269 for var in $*; do
270 eval $var=$value
271 done
272}
273
72a43668
MR
274set_weak(){
275 value=$1
276 shift
277 for var; do
278 eval : \${$var:=$value}
279 done
280}
281
799c9e9b
MR
282pushvar(){
283 for var in $*; do
284 eval level=\${${var}_level:=0}
285 eval ${var}_${level}="\$$var"
286 eval ${var}_level=$(($level+1))
287 done
288}
289
290popvar(){
291 for var in $*; do
292 eval level=\${${var}_level:-0}
293 test $level = 0 && continue
294 eval level=$(($level-1))
295 eval $var="\${${var}_${level}}"
296 eval ${var}_level=$level
297 eval unset ${var}_${level}
298 done
299}
300
a8d04fba
MR
301enable(){
302 set_all yes $*
303}
304
305disable(){
306 set_all no $*
307}
308
72a43668
MR
309enable_weak(){
310 set_weak yes $*
311}
312
313disable_weak(){
314 set_weak no $*
315}
316
f9d328da
MR
317do_enable_deep(){
318 for var; do
319 enabled $var && continue
320 eval sel="\$${var}_select"
c510c7b5
MR
321 eval sgs="\$${var}_suggest"
322 pushvar var sgs
f9d328da 323 enable_deep $sel
c510c7b5
MR
324 popvar sgs
325 enable_deep_weak $sgs
f9d328da
MR
326 popvar var
327 done
328}
329
330enable_deep(){
331 do_enable_deep $*
332 enable $*
333}
334
72a43668
MR
335enable_deep_weak(){
336 do_enable_deep $*
337 enable_weak $*
338}
339
57bd82d4 340enabled(){
3250003c
MR
341 test "${1#!}" = "$1" && op== || op=!=
342 eval test "x\$${1#!}" $op "xyes"
44161118
MR
343}
344
37970ebf 345disabled(){
3250003c
MR
346 test "${1#!}" = "$1" && op== || op=!=
347 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
348}
349
44161118
MR
350enabled_all(){
351 for opt; do
352 enabled $opt || return 1
353 done
354}
355
85bca2c5
DB
356disabled_all(){
357 for opt; do
358 disabled $opt || return 1
359 done
360}
361
44161118
MR
362enabled_any(){
363 for opt; do
364 enabled $opt && return 0
365 done
366}
367
85bca2c5
DB
368disabled_any(){
369 for opt; do
370 disabled $opt && return 0
371 done
f7b230a7 372 return 1
85bca2c5
DB
373}
374
c9d19248
MR
375set_default(){
376 for opt; do
88268e94 377 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
378 done
379}
380
4a0d6686
AJ
381is_in(){
382 value=$1
383 shift
384 for var in $*; do
385 [ $var = $value ] && return 0
386 done
387 return 1
388}
389
30fd06be
MR
390check_deps(){
391 for cfg; do
3250003c 392 cfg="${cfg#!}"
799c9e9b
MR
393 enabled ${cfg}_checking && die "Circular dependency for $cfg."
394 disabled ${cfg}_checking && continue
395 enable ${cfg}_checking
396
30fd06be
MR
397 eval dep_all="\$${cfg}_deps"
398 eval dep_any="\$${cfg}_deps_any"
7ef3425f 399 eval dep_sel="\$${cfg}_select"
c510c7b5 400 eval dep_sgs="\$${cfg}_suggest"
799c9e9b 401
c510c7b5
MR
402 pushvar cfg dep_all dep_any dep_sel dep_sgs
403 check_deps $dep_all $dep_any $dep_sel $dep_sgs
404 popvar cfg dep_all dep_any dep_sel dep_sgs
799c9e9b 405
6a702d4c
MR
406 enabled_all $dep_all || disable $cfg
407 enabled_any $dep_any || disable $cfg
7ef3425f 408 disabled_any $dep_sel && disable $cfg
799c9e9b 409
4ec45764
RP
410 if enabled $cfg; then
411 eval dep_extralibs="\$${cfg}_extralibs"
412 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 413 enable_deep $dep_sel
c510c7b5 414 enable_deep_weak $dep_sgs
4ec45764
RP
415 fi
416
799c9e9b 417 disable ${cfg}_checking
30fd06be
MR
418 done
419}
420
44161118
MR
421print_config(){
422 pfx=$1
423 header=$2
424 makefile=$3
425 shift 3
426 for cfg; do
3d907e22 427 ucname="`toupper $cfg`"
44161118 428 if enabled $cfg; then
3d907e22 429 echo "#define ${pfx}${ucname} 1" >> $header
3d907e22
MR
430 echo "${pfx}${ucname}=yes" >> $makefile
431 else
b250f9c6 432 echo "#define ${pfx}${ucname} 0" >> $header
44161118
MR
433 fi
434 done
57bd82d4
MR
435}
436
437flags_saved(){
2270b4b2 438 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
439}
440
dcd479c0 441save_flags(){
57bd82d4 442 flags_saved && return
dcd479c0
MR
443 SAVE_CFLAGS="$CFLAGS"
444 SAVE_LDFLAGS="$LDFLAGS"
445 SAVE_extralibs="$extralibs"
446}
447
448restore_flags(){
f5d28d10 449 flags_saved || return
dcd479c0
MR
450 CFLAGS="$SAVE_CFLAGS"
451 LDFLAGS="$SAVE_LDFLAGS"
452 extralibs="$SAVE_extralibs"
453 unset SAVE_CFLAGS
454 unset SAVE_LDFLAGS
455 unset SAVE_extralibs
456}
457
458temp_cflags(){
459 save_flags
460 CFLAGS="$CFLAGS $*"
461}
462
463temp_ldflags(){
464 save_flags
465 LDFLAGS="$LDFLAGS $*"
466}
467
468temp_extralibs(){
469 save_flags
470 extralibs="$extralibs $*"
471}
472
57bd82d4
MR
473append(){
474 var=$1
475 shift
476 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
477 eval "$var=\"\$$var $*\""
478}
479
480add_cflags(){
481 append CFLAGS "$@"
482}
483
484add_ldflags(){
485 append LDFLAGS "$@"
486}
487
488add_extralibs(){
489 append extralibs "$@"
490}
491
b0cfb663 492check_cmd(){
b3cb5d51 493 log "$@"
2270b4b2 494 "$@" >> $logfile 2>&1
b0cfb663
MR
495}
496
dcd479c0 497check_cc(){
57bd82d4 498 log check_cc "$@"
2270b4b2 499 cat > $TMPC
720c69da 500 log_file $TMPC
b0cfb663 501 check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
502}
503
504check_cpp(){
505 log check_cpp "$@"
2270b4b2 506 cat > $TMPC
720c69da 507 log_file $TMPC
b0cfb663 508 check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
509}
510
940f335a
MR
511check_asm(){
512 log check_asm "$@"
513 name="$1"
514 asm="$2"
515 shift 2
516 check_cc "$@" <<EOF && enable $name || disable $name
124c21d7 517void foo(void){ __asm__ volatile($asm); }
940f335a
MR
518EOF
519}
520
304d586d
LM
521check_yasm(){
522 log check_yasm "$@"
523 echo "$1" > $TMPS
524 log_file $TMPS
525 shift 1
526 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
527}
528
dcd479c0 529check_ld(){
57bd82d4 530 log check_ld "$@"
0607887f 531 check_cc || return
3155a644
MR
532 flags=''
533 libs=''
534 for f; do
535 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
536 done
537 check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
538}
539
540check_cflags(){
57bd82d4
MR
541 log check_cflags "$@"
542 check_cc "$@" <<EOF && add_cflags "$@"
dcd479c0
MR
543int x;
544EOF
545}
546
547check_ldflags(){
57bd82d4
MR
548 log check_ldflags "$@"
549 check_ld "$@" <<EOF && add_ldflags "$@"
c23a0ac8 550int main(void){ return 0; }
dcd479c0
MR
551EOF
552}
553
554check_header(){
57bd82d4 555 log check_header "$@"
dcd479c0
MR
556 header=$1
557 shift
d8bc5f06
MR
558 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
559 disable $var
560 check_cpp "$@" <<EOF && enable $var
dcd479c0
MR
561#include <$header>
562int x;
563EOF
564}
565
566check_func(){
57bd82d4 567 log check_func "$@"
dcd479c0
MR
568 func=$1
569 shift
d8bc5f06
MR
570 disable $func
571 check_ld "$@" <<EOF && enable $func
dcd479c0 572extern int $func();
c23a0ac8 573int main(void){ $func(); }
dcd479c0
MR
574EOF
575}
576
2446d3d6
DB
577check_func_headers(){
578 log check_func_headers "$@"
f8d7b072
MR
579 headers=$1
580 func=$2
581 shift 2
582 disable $func
583 incs=""
584 for hdr in $headers; do
585 incs="$incs
586#include <$hdr>"
587 done
588 check_ld "$@" <<EOF && enable $func
589$incs
d6773f56 590int main(int argc, char **argv){
f8d7b072
MR
591 (void) $func;
592 return 0;
593}
594EOF
595}
596
a5344cf7
SS
597check_cpp_condition(){
598 log check_cpp_condition "$@"
599 header=$1
600 condition=$2
601 check_cpp <<EOF
602#include <$header>
603#if !($condition)
604#error "unsatisfied condition: $condition"
605#endif
606EOF
607}
608
57bd82d4
MR
609check_lib(){
610 log check_lib "$@"
611 header="$1"
612 func="$2"
613 shift 2
fcfcde17
MR
614 temp_extralibs "$@"
615 check_header $header && check_func $func && add_extralibs "$@"
616 err=$?
617 restore_flags
618 return $err
57bd82d4
MR
619}
620
f8d7b072
MR
621check_lib2(){
622 log check_lib2 "$@"
623 headers="$1"
624 func="$2"
625 shift 2
626 temp_extralibs "$@"
2446d3d6 627 check_func_headers "$headers" $func && add_extralibs "$@"
f8d7b072
MR
628 err=$?
629 restore_flags
630 return $err
631}
632
dcd479c0 633check_exec(){
2270b4b2 634 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
635}
636
7dfef245
MR
637check_exec_crash(){
638 code=`cat`
639
640 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
641 # are safe but may not be available everywhere. Thus we use
642 # raise(SIGTERM) instead. The check is run in a subshell so we
643 # can redirect the "Terminated" message from the shell. SIGBUS
644 # is not defined by standard C so it is used conditionally.
645
2270b4b2 646 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
647#include <signal.h>
648static void sighandler(int sig){
649 raise(SIGTERM);
650}
e5af4a11 651int main(void){
7dfef245
MR
652 signal(SIGILL, sighandler);
653 signal(SIGFPE, sighandler);
654 signal(SIGSEGV, sighandler);
655#ifdef SIGBUS
656 signal(SIGBUS, sighandler);
657#endif
658 { $code }
659}
660EOF
661}
662
72be9e73
DY
663check_type(){
664 log check_type "$@"
665 headers=$1
666 type=$2
667 shift 2
668 disable $type
669 incs=""
670 for hdr in $headers; do
671 incs="$incs
672#include <$hdr>"
673 done
674 check_cc "$@" <<EOF && enable $type
675$incs
676$type v;
677EOF
678}
679
57bd82d4
MR
680require(){
681 name="$1"
682 header="$2"
683 func="$3"
684 shift 3
685 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
686}
687
f8d7b072
MR
688require2(){
689 name="$1"
690 headers="$2"
691 func="$3"
692 shift 3
693 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
694}
695
eea50282
MR
696check_foo_config(){
697 cfg=$1
698 pkg=$2
699 header=$3
700 func=$4
701 shift 4
702 disable $cfg
703 check_cmd ${pkg}-config --version
704 err=$?
705 if test "$err" = 0; then
706 temp_cflags `${pkg}-config --cflags`
707 temp_extralibs `${pkg}-config --libs`
708 check_lib "$@" $header $func && enable $cfg
709 fi
710 return $err
711}
712
c505dd31
MR
713apply(){
714 file=$1
715 shift
716 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
717}
718
dcd61286
DB
719# CONFIG_LIST contains configurable options, while HAVE_LIST is for
720# system-dependent things.
721
4a0d6686
AJ
722COMPONENT_LIST="
723 bsfs
724 decoders
725 demuxers
726 encoders
3cde40aa 727 filters
c552605c 728 indevs
4a0d6686 729 muxers
c552605c 730 outdevs
4a0d6686
AJ
731 parsers
732 protocols
733"
734
735CONFIG_LIST="
736 $COMPONENT_LIST
e8ed9b7a 737 aandct
f7679c54
VS
738 avfilter
739 avfilter_lavf
c88f5d72
MR
740 avisynth
741 beos_netserver
f402916e 742 bzlib
c88f5d72
MR
743 ffmpeg
744 ffplay
745 ffserver
1848f7d9 746 fft
4f034993 747 golomb
c88f5d72 748 gpl
ecfc4f44 749 gprof
d8d0d0b2 750 gray
3abe5fbd 751 hardcoded_tables
c88f5d72 752 ipv6
f5a756ef
DB
753 libamr_nb
754 libamr_wb
f7b8bffe 755 libdc1394
690bfceb 756 libdirac
2eed5a46
DB
757 libfaac
758 libfaad
759 libfaadbin
c88f5d72 760 libgsm
6ebe07fb 761 libmp3lame
c88f5d72 762 libnut
f7cd9eed 763 libschroedinger
ae14f311 764 libspeex
150d2772 765 libtheora
c88f5d72 766 libvorbis
1cc60c47
DB
767 libx264
768 libxvid
47a158cb 769 mdct
c88f5d72 770 memalign_hack
a8150374 771 mlib
c88f5d72
MR
772 mpegaudio_hp
773 network
3fe142e2 774 nonfree
4a24ab64 775 postproc
2b4c3615 776 powerpc_perf
2e35e684 777 shared
bd2216e4 778 small
2e35e684 779 static
13ca50f3 780 swscale
272081b0 781 vdpau
c88f5d72 782 vhook
56a059ac 783 x11grab
68178ca9 784 xvmc
c88f5d72 785 zlib
4a0d6686 786"
c88f5d72 787
8eee7025
DB
788THREADS_LIST='
789 beosthreads
d22e8442 790 os2threads
8eee7025
DB
791 pthreads
792 w32threads
793'
794
3f5b56e5
MR
795ARCH_LIST='
796 alpha
a2fc0f6a 797 arm
3f5b56e5
MR
798 bfin
799 ia64
800 m68k
801 mips
802 parisc
79cb09b2 803 ppc
3f5b56e5
MR
804 s390
805 sh4
806 sparc
807 sparc64
808 x86
809 x86_32
810 x86_64
811'
812
813ARCH_EXT_LIST='
1ac9331a 814 altivec
1ac9331a 815 armv5te
edab3048 816 armv6
ab5cb084 817 armv6t2
f55b299a 818 armvfp
3f5b56e5
MR
819 iwmmxt
820 mmi
821 mmx
d7f0920b 822 mmx2
6b18d278 823 neon
1bb04d5a 824 sse
9eeed841 825 ssse3
bd9d34a0 826 vis
3f5b56e5
MR
827'
828
829HAVE_LIST="
830 $ARCH_EXT_LIST
831 $THREADS_LIST
832 altivec_h
c9fdab0d 833 arpa_inet_h
6bd859d6 834 bswap
ecf97f22 835 closesocket
1ac9331a 836 cmov
e16e49ac 837 conio_h
c88f5d72 838 dcbzl
f8aa696f
DB
839 dev_bktr_ioctl_bt848_h
840 dev_bktr_ioctl_meteor_h
841 dev_ic_bt8xx_h
842 dev_video_meteor_ioctl_meteor_h
843 dev_video_bktr_ioctl_bt848_h
18b67ae5 844 dlfcn_h
c88f5d72 845 dlopen
bc574408 846 dos_paths
245626d0
DB
847 ebp_available
848 ebx_available
c2a29455 849 fast_64bit
7073e9fc 850 fast_cmov
7b829d2a 851 fast_unaligned
9d99cc5a 852 fork
c88f5d72 853 freetype2
da9e86f8 854 gethrtime
4e68cb8a 855 GetProcessTimes
66be5b45 856 getrusage
c88f5d72 857 imlib2
2e1913b1 858 inet_aton
61d251db 859 inline_asm
0b4a1821
AS
860 libdc1394_1
861 libdc1394_2
a33cab3a
MK
862 llrint
863 lrint
c88f5d72 864 lrintf
f8aa696f
DB
865 machine_ioctl_bt848_h
866 machine_ioctl_meteor_h
c88f5d72
MR
867 malloc_h
868 memalign
6ffa87d3 869 mkstemp
b4e806b2 870 pld
1f91cdce 871 posix_memalign
9cafbd6c 872 ppc64
a33cab3a
MK
873 round
874 roundf
c88f5d72
MR
875 sdl
876 sdl_video_size
b507ebd1 877 setmode
72be9e73 878 socklen_t
deb29777 879 soundcard_h
f8cda19e 880 poll_h
b58412f1 881 sys_mman_h
b091aa44 882 sys_resource_h
81644c2e 883 sys_select_h
deb29777 884 sys_soundcard_h
1b6e8b73 885 sys_videoio_h
e16e49ac 886 termios_h
b265431e 887 threads
7b04b8a0 888 truncf
6ff3f3e7 889 winsock2_h
304d586d 890 yasm
0cb78cef 891"
44161118 892
b6bb00b0
MR
893# options emitted with CONFIG_ prefix but not available on command line
894CONFIG_EXTRA="
895 fft_mmx
40b509b3 896 oldscaler
b6bb00b0
MR
897"
898
520cc7f1 899CMDLINE_SELECT="
3f5b56e5 900 $ARCH_EXT_LIST
520cc7f1 901 $CONFIG_LIST
8eee7025 902 $THREADS_LIST
db6107b6 903 cross_compile
520cc7f1
MR
904 debug
905 extra_warnings
8c6afa4d 906 logging
d2bbb2f7 907 optimizations
87a0fb62 908 stripping
520cc7f1 909"
426be5dc
DB
910
911PATHS_LIST='
d156bede 912 bindir
26759c44
MR
913 incdir
914 libdir
26759c44
MR
915 mandir
916 prefix
917 shlibdir
426be5dc
DB
918'
919
920CMDLINE_SET="
921 $PATHS_LIST
922 arch
923 build_suffix
924 cc
925 cpu
926 cross_prefix
ac63af34 927 extra_version
9da6609f
MR
928 host_cc
929 host_cflags
930 host_ldflags
931 host_libs
426be5dc 932 logfile
89641463 933 nm
26759c44 934 source_path
a7ada2ba 935 target_exec
26759c44 936 target_os
a7ada2ba 937 target_path
426be5dc 938"
520cc7f1 939
912f3148
DB
940# code dependency declarations
941
9eeed841 942# architecture extensions
79cb09b2 943altivec_deps="ppc"
a2fc0f6a
MR
944armv5te_deps="arm"
945armv6_deps="arm"
ab5cb084 946armv6t2_deps="arm"
a2fc0f6a
MR
947armvfp_deps="arm"
948iwmmxt_deps="arm"
e241ba14 949mmi_deps="mips"
9eeed841 950mmx_deps="x86"
fbef871d 951mmx2_deps="x86 mmx"
a2fc0f6a 952neon_deps="arm"
1bb04d5a
RP
953sse_deps="mmx"
954ssse3_deps="x86 sse"
bd9d34a0 955vis_deps="sparc"
9eeed841 956
b6bb00b0
MR
957# common features
958fft_suggest="fft_mmx"
959fft_mmx_deps="mmx yasm"
40b509b3 960oldscaler_deps="!swscale"
b6bb00b0 961
912f3148 962# decoders / encoders
47a158cb 963aac_decoder_select="fft mdct"
d8d12c15 964ac3_decoder_deps="gpl"
47a158cb
MR
965ac3_decoder_select="fft mdct"
966atrac3_decoder_select="fft mdct"
4f034993 967cavs_decoder_select="golomb"
47a158cb 968cook_decoder_select="fft mdct"
2eef7c62 969cscd_decoder_suggest="zlib"
47a158cb 970dca_decoder_select="fft mdct"
e8ed9b7a 971dnxhd_encoder_select="aandct"
2eef7c62 972dxa_decoder_select="zlib"
406ab5cc 973eac3_decoder_deps="gpl"
47a158cb 974eac3_decoder_select="fft mdct"
e8ed9b7a 975eatgq_decoder_select="aandct"
4f034993
MR
976ffv1_decoder_select="golomb"
977flac_decoder_select="golomb"
978flac_encoder_select="golomb"
2eef7c62
AJ
979flashsv_decoder_select="zlib"
980flashsv_encoder_select="zlib"
e8ed9b7a
DB
981flv_encoder_select="aandct"
982h261_encoder_select="aandct"
983h263_encoder_select="aandct"
984h263p_encoder_select="aandct"
4f034993 985h264_decoder_select="golomb"
369122dd 986h264_vdpau_decoder_deps="vdpau"
47a158cb 987imc_decoder_select="fft mdct"
4f034993
MR
988jpegls_decoder_select="golomb"
989jpegls_encoder_select="golomb"
e8ed9b7a 990ljpeg_encoder_select="aandct"
4f034993 991loco_decoder_select="golomb"
e8ed9b7a
DB
992mjpeg_encoder_select="aandct"
993mpeg1video_encoder_select="aandct"
994mpeg2video_encoder_select="aandct"
995mpeg4_encoder_select="aandct"
d37edddc 996mpeg_vdpau_decoder_deps="vdpau"
68178ca9 997mpeg_xvmc_decoder_deps="xvmc X11_extensions_XvMClib_h"
e8ed9b7a
DB
998msmpeg4v1_encoder_select="aandct"
999msmpeg4v2_encoder_select="aandct"
1000msmpeg4v3_encoder_select="aandct"
47a158cb
MR
1001nellymoser_decoder_select="fft mdct"
1002nellymoser_encoder_select="fft mdct"
2eef7c62
AJ
1003png_decoder_select="zlib"
1004png_encoder_select="zlib"
47a158cb 1005qdm2_decoder_select="fft mdct"
e8ed9b7a
DB
1006rv10_encoder_select="aandct"
1007rv20_encoder_select="aandct"
4f034993
MR
1008shorten_decoder_select="golomb"
1009sonic_decoder_select="golomb"
1010sonic_encoder_select="golomb"
1011sonic_ls_encoder_select="golomb"
1012svq3_decoder_select="golomb"
bee2eac5 1013svq3_decoder_suggest="zlib"
2eef7c62
AJ
1014tiff_decoder_suggest="zlib"
1015tiff_encoder_suggest="zlib"
1016tscc_decoder_select="zlib"
47a158cb
MR
1017vorbis_decoder_select="fft mdct"
1018vorbis_encoder_select="fft mdct"
1019wmav1_decoder_select="fft mdct"
1020wmav1_encoder_select="fft mdct"
1021wmav2_decoder_select="fft mdct"
1022wmav2_encoder_select="fft mdct"
e8ed9b7a
DB
1023wmv1_encoder_select="aandct"
1024wmv2_encoder_select="aandct"
2eef7c62
AJ
1025zlib_decoder_select="zlib"
1026zlib_encoder_select="zlib"
1027zmbv_decoder_select="zlib"
1028zmbv_encoder_select="zlib"
30fd06be 1029
912f3148 1030# external libraries
f5a756ef
DB
1031libamr_nb_decoder_deps="libamr_nb"
1032libamr_nb_encoder_deps="libamr_nb"
1033libamr_wb_decoder_deps="libamr_wb"
1034libamr_wb_encoder_deps="libamr_wb"
1b71f045 1035libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1036libdirac_encoder_deps="libdirac"
c9171a83 1037libfaac_encoder_deps="libfaac"
69ddbd1d 1038libfaad_decoder_deps="libfaad"
4ec45764 1039libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1040libgsm_decoder_deps="libgsm"
1041libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1042libgsm_ms_decoder_deps="libgsm"
1043libgsm_ms_encoder_deps="libgsm"
1cc60c47 1044libmp3lame_encoder_deps="libmp3lame"
f7cd9eed
AS
1045libschroedinger_decoder_deps="libschroedinger"
1046libschroedinger_encoder_deps="libschroedinger"
ae14f311 1047libspeex_decoder_deps="libspeex"
150d2772 1048libtheora_encoder_deps="libtheora"
b0caf888 1049libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1050libx264_encoder_deps="libx264"
1051libxvid_encoder_deps="libxvid"
13566c31 1052mpeg4aac_decoder_deps="libfaad"
272081b0 1053vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
30fd06be 1054
912f3148 1055# demuxers / muxers
03a76ba9 1056ac3_demuxer_deps="ac3_parser"
50383e88 1057audio_beos_demuxer_deps="audio_beos"
4ec45764 1058audio_beos_demuxer_extralibs="-lmedia -lbe"
50383e88 1059audio_beos_muxer_deps="audio_beos"
4ec45764 1060audio_beos_muxer_extralibs="-lmedia -lbe"
53b73365 1061avisynth_demuxer_deps="avisynth"
73483024 1062bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
17ac9f1c 1063dirac_demuxer_deps="dirac_parser"
fe9bb347 1064dv1394_demuxer_deps="dv1394 dv_demuxer"
f7b8bffe 1065libdc1394_demuxer_deps="libdc1394"
d7c59247
DB
1066libnut_demuxer_deps="libnut"
1067libnut_muxer_deps="libnut"
2eef7c62
AJ
1068matroska_demuxer_suggest="zlib bzlib"
1069mov_demuxer_suggest="zlib"
4bd8e17c 1070mp3_demuxer_deps="mpegaudio_parser"
c7682de0
RP
1071oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1072oss_muxer_deps_any="soundcard_h sys_soundcard_h"
30fd06be 1073redir_demuxer_deps="network"
8eb793c4 1074rtp_muxer_deps="network rtp_protocol"
95c21842
LA
1075rtsp_demuxer_deps="sdp_demuxer"
1076sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
06e31011 1077v4l_demuxer_deps="linux_videodev_h"
1b6e8b73 1078v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
c2345207
RP
1079vfwcap_demuxer_deps="capCreateCaptureWindow"
1080vfwcap_demuxer_extralibs="-lvfw32"
06eab4ba 1081x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
4ec45764 1082x11_grab_device_demuxer_extralibs="-lX11 -lXext"
30fd06be 1083
912f3148 1084# protocols
c08fb000
AB
1085http_protocol_deps="network"
1086rtp_protocol_deps="udp_protocol"
1087tcp_protocol_deps="network"
1088udp_protocol_deps="network"
1089
f7679c54 1090# filters
81124ba0 1091movie_filter_deps="avfilter_lavf"
f7679c54 1092
912f3148 1093# programs
fa859b4d 1094ffplay_deps="sdl"
6ad42348 1095ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764
RP
1096ffserver_extralibs='$ldl'
1097vhook_extralibs='$ldl'
a2830dca 1098
912f3148 1099
de6d9b64 1100# default parameters
8a608357 1101
2ba042a7 1102logfile="config.err"
8a608357
MR
1103
1104# installation paths
c9d19248
MR
1105prefix_default="/usr/local"
1106bindir_default='${prefix}/bin'
1107incdir_default='${prefix}/include'
1108libdir_default='${prefix}/lib'
1109mandir_default='${prefix}/share/man'
1110shlibdir_default="$libdir_default"
8a608357
MR
1111
1112# toolchain
11e6d03a 1113ar="ar"
13c7df3d 1114cc_default="gcc"
9da6609f 1115host_cc_default="gcc"
11e6d03a 1116ln_s="ln -sf"
89641463 1117nm_default="nm"
11e6d03a 1118objformat="elf"
be7109c1 1119ranlib="ranlib"
0f3cb305 1120strip="strip"
11e6d03a 1121yasmexe="yasm"
8a608357
MR
1122
1123# machine
cc6a90dd 1124arch=`uname -m`
38d0a8aa 1125cpu="generic"
8a608357 1126
8a608357 1127# OS
4f854758 1128target_os=$(tolower $(uname -s))
8a608357 1129
8a608357 1130# configurable options
497237c7 1131enable debug
497237c7
RP
1132enable ffmpeg
1133enable ffplay
1134enable ffserver
1135enable ipv6
497237c7
RP
1136enable mpegaudio_hp
1137enable network
40b509b3 1138enable oldscaler
8400d6b8 1139enable optimizations
497237c7 1140enable protocols
530dc538 1141enable static
87a0fb62 1142enable stripping
8a608357
MR
1143vhook="default"
1144
8a608357 1145# build settings
11a9d3e8 1146add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
9987769a 1147SHFLAGS='-shared -Wl,-soname,$$(@F)'
cab3ef82 1148VHOOKSHFLAGS='$(SHFLAGS)'
c536cb09 1149FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1150LIBPREF="lib"
1151LIBSUF=".a"
c5f14466
RP
1152FULLNAME='$(NAME)$(BUILDSUF)'
1153LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1154SLIBPREF="lib"
1155SLIBSUF=".so"
c5f14466 1156SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1157SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1158SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1159LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1160
9da6609f
MR
1161host_cflags='-O3 -g -Wall'
1162host_libs='-lm'
1163
a7ada2ba
MR
1164target_path='.'
1165
0d7dca36
DB
1166# gcc stupidly only outputs the basename of targets with -MM, but we need the
1167# full relative path for objects in subdirectories for non-recursive Make.
ec0bd3b9 1168DEPEND_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 1169
c597172e
MR
1170# find source path
1171source_path="`dirname \"$0\"`"
497237c7 1172enable source_path_used
c597172e
MR
1173if test -z "$source_path" -o "$source_path" = "." ; then
1174 source_path="`pwd`"
497237c7 1175 disable source_path_used
c597172e
MR
1176else
1177 source_path="`cd \"$source_path\"; pwd`"
1178 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1179 die "Out of tree builds are impossible with whitespace in source path."
c597172e
MR
1180fi
1181
c597172e
MR
1182FFMPEG_CONFIGURATION="$@"
1183
73ef8980
MR
1184find_things(){
1185 thing=$1
1186 pattern=$2
1187 file=$source_path/$3
932ccf39 1188 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1189}
1190
1191ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1192DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1193PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1194BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1195MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1196DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1197OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
1198INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
1199PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1200FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1201
7483e694
DB
1202enable $ARCH_EXT_LIST \
1203 $DECODER_LIST \
1204 $ENCODER_LIST \
1205 $PARSER_LIST \
1206 $BSF_LIST \
1207 $DEMUXER_LIST \
1208 $MUXER_LIST \
f7679c54 1209 $FILTER_LIST \
7483e694
DB
1210 $PROTOCOL_LIST \
1211 $INDEV_LIST \
1212 $OUTDEV_LIST \
c597172e
MR
1213
1214die_unknown(){
1215 echo "Unknown option \"$1\"."
1216 echo "See $0 --help for available options."
1217 exit 1
1218}
1219
794f8e97 1220show_list() {
bf0c4afa
RP
1221 suffix=_$1
1222 shift
1223 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1224 exit 0
1225}
1226
c597172e 1227for opt do
7483e694
DB
1228 optval="${opt#*=}"
1229 case "$opt" in
0f010b2f 1230 --extra-cflags=*) add_cflags $optval
7483e694 1231 ;;
0f010b2f 1232 --extra-ldflags=*) add_ldflags $optval
7483e694 1233 ;;
0f010b2f 1234 --extra-libs=*) add_extralibs $optval
7483e694 1235 ;;
8fb1cb58 1236 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1237 ;;
40bcf4c7
BL
1238 --enable-debug=*) debuglevel="$optval"
1239 ;;
7483e694
DB
1240 --enable-*=*|--disable-*=*)
1241 eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1242 case "$thing" in
81124ba0 1243 encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
7483e694
DB
1244 *) die_unknown "$opt" ;;
1245 esac
1246 ;;
1247 --enable-?*|--disable-?*)
1248 eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
e3773a55
MR
1249 if is_in $option $COMPONENT_LIST; then
1250 eval $action \$$(toupper ${option%s})_LIST
1251 elif is_in $option $CMDLINE_SELECT; then
1252 $action $option
1253 else
1254 die_unknown $opt
1255 fi
7483e694
DB
1256 ;;
1257 --list-*)
1258 NAME="${opt#--list-}"
1259 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1260 NAME=${NAME%s}
1261 eval show_list $NAME \$$(toupper $NAME)_LIST
1262 ;;
1263 --help|-h) show_help
1264 ;;
1265 *)
884a36a7 1266 optname="${opt%%=*}"
26759c44
MR
1267 optname="${optname#--}"
1268 optname=$(echo "$optname" | sed 's/-/_/g')
1269 is_in $optname $CMDLINE_SET || die_unknown $opt
1270 eval $optname='$optval'
7483e694
DB
1271 ;;
1272 esac
c597172e
MR
1273done
1274
bcea99bb
MR
1275disabled logging && logfile=/dev/null
1276
1277echo "# $0 $@" > $logfile
1278set >> $logfile
1279
9da6609f
MR
1280test -n "$cross_prefix" && enable cross_compile
1281
adb2b908 1282ar="${cross_prefix}${ar}"
11e6d03a 1283cc_default="${cross_prefix}${cc_default}"
20e0ed95 1284nm_default="${cross_prefix}${nm_default}"
adb2b908
RP
1285ranlib="${cross_prefix}${ranlib}"
1286strip="${cross_prefix}${strip}"
1287
89641463 1288set_default cc nm
9da6609f
MR
1289enabled cross_compile || host_cc_default=$cc
1290set_default host_cc
13c7df3d 1291
e4e69e0b 1292# set temporary file name
a49d42c2 1293: ${TMPDIR:=$TEMPDIR}
c51fafa1 1294: ${TMPDIR:=$TMP}
a49d42c2 1295: ${TMPDIR:=/tmp}
e4e69e0b 1296
a49d42c2
MR
1297TMPC="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1298TMPE="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1299TMPH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1300TMPO="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1301TMPS="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1302TMPSH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
e4e69e0b 1303
e9b9a2f8
MN
1304check_cflags -std=c99
1305
b24dbcbd
RP
1306case "$arch" in
1307 i386|i486|i586|i686|i86pc|BePC)
62045d48
DB
1308 arch="x86"
1309 subarch="x86_32"
b24dbcbd
RP
1310 enable fast_unaligned
1311 ;;
1312 x86_64|amd64)
62045d48
DB
1313 arch="x86"
1314 subarch="x86_32"
34b37f86
DM
1315 enable cmov
1316 enable fast_cmov
b24dbcbd 1317 enable fast_unaligned
62045d48 1318 check_cc <<EOF && enable fast_64bit && subarch="x86_64"
b24dbcbd
RP
1319 int test[sizeof(char*) - 7];
1320EOF
1321 ;;
b24dbcbd 1322 arm|armv[4567]*l)
a2fc0f6a 1323 arch="arm"
b24dbcbd
RP
1324 ;;
1325 alpha)
1326 arch="alpha"
1327 enable fast_64bit
1328 ;;
1329 "Power Macintosh"|ppc|powerpc)
79cb09b2 1330 arch="ppc"
aa8bc0f1 1331 enable fast_unaligned
b24dbcbd
RP
1332 ;;
1333 ppc64)
79cb09b2 1334 arch="ppc"
b24dbcbd 1335 enable fast_64bit
aa8bc0f1 1336 enable fast_unaligned
b24dbcbd 1337 ;;
de3a1240 1338 mips|mipsel|IP*)
b24dbcbd
RP
1339 arch="mips"
1340 ;;
de3a1240
DB
1341 mips64)
1342 arch="mips"
1343 enable fast_64bit
1344 ;;
b24dbcbd 1345 sun4u|sparc64)
62045d48
DB
1346 arch="sparc"
1347 subarch="sparc64"
b24dbcbd
RP
1348 enable fast_64bit
1349 ;;
1350 sparc)
1351 arch="sparc"
1352 ;;
61597a98 1353 sh4|sh)
b24dbcbd
RP
1354 arch="sh4"
1355 ;;
61597a98 1356 parisc|hppa)
b24dbcbd
RP
1357 arch="parisc"
1358 ;;
61597a98 1359 parisc64|hppa64)
b24dbcbd
RP
1360 arch="parisc"
1361 enable fast_64bit
1362 ;;
1363 s390|s390x)
1364 arch="s390"
1365 ;;
1366 m68k)
1367 arch="m68k"
1368 ;;
1369 ia64)
1370 arch="ia64"
1371 enable fast_64bit
1372 ;;
1373 bfin)
1374 arch="bfin"
1375 ;;
1376 *)
1377 arch="unknown"
1378 ;;
1379esac
1380
62045d48 1381enable $arch $subarch
b24dbcbd 1382
7483e694 1383# OS specific
4f854758 1384case $target_os in
7483e694 1385 beos|haiku|zeta)
c9d19248 1386 prefix_default="$HOME/config"
7483e694 1387 # helps building libavcodec
0f010b2f 1388 add_cflags -DPIC -fomit-frame-pointer
7483e694
DB
1389 # 3 gcc releases known for BeOS, each with ugly bugs
1390 gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1391 case "$gcc_version" in
1392 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1393 disable mmx
1394 ;;
1395 *20010315*) echo "BeBits gcc"
0f010b2f 1396 add_cflags -fno-expensive-optimizations
7483e694
DB
1397 ;;
1398 esac
7483e694
DB
1399 SHFLAGS=-nostart
1400 # enable BeOS things
1401 enable audio_beos
1402 # no need for libm, but the inet stuff
1403 # Check for BONE
1404 # XXX: actually should check for NOT net_server
78fe7631 1405 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
1406 network_extralibs="-lbind -lsocket"
1407 else
1408 enable beos_netserver
1409 network_extralibs="-lnet"
1410 fi ;;
1411 sunos)
1412 FFSERVERLDFLAGS=""
9987769a 1413 SHFLAGS='-shared -Wl,-h,$$(@F)'
7483e694 1414 network_extralibs="-lsocket -lnsl"
e193c74e 1415 add_cflags -D__EXTENSIONS__
7483e694
DB
1416 ;;
1417 netbsd)
1418 oss_demuxer_extralibs="-lossaudio"
1419 oss_muxer_extralibs="-lossaudio"
1420 ;;
1421 openbsd)
1422 disable need_memalign
1423 LIBOBJFLAGS='$(PIC)'
7483e694 1424 SHFLAGS='-shared'
7483e694
DB
1425 oss_demuxer_extralibs="-lossaudio"
1426 oss_muxer_extralibs="-lossaudio"
1427 ;;
1428 freebsd)
1429 disable need_memalign
1430 ;;
1431 bsd/os)
1432 osextralibs="-lpoll -lgnugetopt"
1433 strip="strip -d"
1434 ;;
1435 darwin)
1436 disable need_memalign
0138c54e 1437 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
9987769a 1438 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
7483e694
DB
1439 strip="strip -x"
1440 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1441 SLIBSUF=".dylib"
1442 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1443 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1444 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 1445 objformat="macho"
1b0f6fb8 1446 enabled x86_64 && objformat="macho64"
7483e694
DB
1447 ;;
1448 mingw32*)
4f854758 1449 target_os=mingw32
dcc01c06 1450 LIBTARGET=i386
1fc9fb8a 1451 if enabled x86_64; then
dcc01c06
RP
1452 disable need_memalign
1453 LIBTARGET=x64
1454 fi
fbd971a4 1455 shlibdir_default="$bindir_default"
7483e694
DB
1456 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1457 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1458 if enabled swscale; then
7483e694
DB
1459 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1460 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1461 fi
1462 disable ffserver
1463 SLIBPREF=""
1464 SLIBSUF=".dll"
1465 EXESUF=".exe"
1466 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1467 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
dcc01c06 1468 SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159
RP
1469 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1470 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
7483e694 1471 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
71c61f62 1472 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 1473 objformat="win32"
bc574408 1474 enable dos_paths
a85de417
SS
1475 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1476 die "ERROR: MinGW runtime version must be >= 3.15."
1477 enabled_any avisynth vfwcap_demuxer &&
bc4b7221
RP
1478 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1479 die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
7483e694
DB
1480 ;;
1481 cygwin*)
4f854758 1482 target_os=cygwin
fbd971a4 1483 shlibdir_default="$bindir_default"
7483e694
DB
1484 VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1485 VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
13ca50f3 1486 if enabled swscale; then
7483e694
DB
1487 VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1488 VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1489 fi
1490 EXESUF=".exe"
1491 SLIBPREF="cyg"
1492 SLIBSUF=".dll"
1493 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1494 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1495 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 1496 objformat="win32"
bc574408 1497 enable dos_paths
7483e694 1498 ;;
4f365f37 1499 *-dos|freedos|opendos)
4f365f37
MK
1500 disable ffplay ffserver vhook
1501 disable $INDEV_LIST $OUTDEV_LIST
1502 network_extralibs="-lsocket"
1503 EXESUF=".exe"
ff1c015d 1504 objformat="coff"
bc574408 1505 enable dos_paths
4f365f37 1506 ;;
7483e694 1507 linux)
7483e694
DB
1508 enable dv1394
1509 ;;
1510 irix*)
4f854758 1511 target_os=irix
7483e694
DB
1512 ranlib="echo ignoring ranlib"
1513 ;;
d22e8442 1514 os/2*)
d22e8442
DY
1515 strip="lxlite"
1516 ln_s="cp -f"
d22e8442
DY
1517 EXESUF=".exe"
1518 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 1519 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 1520 FFSERVERLDFLAGS=""
287d3b13 1521 LIBSUF="_s.a"
d22e8442
DY
1522 SLIBPREF=""
1523 SLIBSUF=".dll"
1524 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1525 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
1526 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1527 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1528 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1529 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1530 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1531 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1532 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1533 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1534 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 1535 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
c6eed369 1536 disable vhook
bc574408 1537 enable dos_paths
d22e8442 1538 ;;
269820f1
PR
1539 interix)
1540 disable vhook
1541 ;;
d22e8442 1542
7483e694 1543 *)
4f854758 1544 target_os="${target_os}-UNKNOWN"
7483e694
DB
1545 ;;
1546esac
1547
c9d19248
MR
1548set_default $PATHS_LIST
1549
c597172e 1550add_extralibs $osextralibs
de6d9b64 1551
28d8e661
DB
1552# Combine FFLDFLAGS and the LDFLAGS environment variable.
1553LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 1554
320d060a 1555# we need to build at least one lib type
93b3c083 1556if ! enabled_any static shared; then
320d060a
DB
1557 cat <<EOF
1558At least one library type must be built.
1559Specify --enable-static to build the static libraries or --enable-shared to
1560build the shared libraries as well. To only build the shared libraries specify
1561--disable-static in addition to --enable-shared.
1562EOF
1563 exit 1;
1564fi
1565
abc4e572 1566disabled static && LIBNAME=""
2a320695 1567
a2234ceb
RP
1568if enabled_any libfaad libfaadbin ; then
1569 if check_header faad.h; then
295b8c70 1570 check_cc <<EOF
a2234ceb
RP
1571#include <faad.h>
1572#ifndef FAAD2_VERSION
1573ok faad1
1574#endif
db817cf3 1575int main(void) { return 0; }
a2234ceb
RP
1576EOF
1577 test $? = 0 && enable libfaad2
1578 else
ff3dac65 1579 die "FAAD test failed."
a2234ceb
RP
1580 fi
1581fi
1582
1583
93b3c083 1584if ! enabled gpl; then
54118497
RP
1585 die_gpl_disabled(){
1586 name=$1
1587 shift
1588 enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1589 }
4a24ab64 1590 die_gpl_disabled "The Postprocessing code" postproc
1cc60c47
DB
1591 die_gpl_disabled "libx264" libx264
1592 die_gpl_disabled "libxvidcore" libxvid
54118497
RP
1593 die_gpl_disabled "FAAD2" libfaad2
1594 die_gpl_disabled "The X11 grabber" x11grab
13ca50f3 1595 die_gpl_disabled "The software scaler" swscale
ebb810d9 1596fi
b2e3c528 1597
3fe142e2
DB
1598if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1599 die "libamr is nonfree and --enable-nonfree is not specified."
1600fi
1601
9eeed841 1602check_deps $ARCH_EXT_LIST
0f3cb305 1603
5d323602
MR
1604test -z "$need_memalign" && need_memalign="$mmx"
1605
cf9d24ad 1606#Darwin CC versions
4f854758 1607if test $target_os = darwin; then
3dddba4b 1608 if $cc -v 2>&1 | grep -q xlc; then
0f010b2f 1609 add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
cf9d24ad 1610 else
0f010b2f
DB
1611 add_cflags -pipe
1612 check_cflags -force_cpusubtype_ALL
1613 check_cflags -Wno-sign-compare
f946a9a4 1614 enabled shared || check_cflags -mdynamic-no-pic
cf9d24ad 1615 fi
2a1a6b64
MN
1616fi
1617
40617a6d 1618disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 1619
a4adb608 1620# Add processor-specific flags
38d0a8aa 1621if test $cpu != "generic"; then
bc8ec47b
MR
1622 warn_altivec(){
1623 $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1658bc4f 1624 }
38d0a8aa 1625 case $cpu in
bb270c08 1626 601|ppc601|PowerPC601)
0f010b2f 1627 add_cflags -mcpu=601
bc8ec47b 1628 warn_altivec enabled PPC601
bb270c08
DB
1629 ;;
1630 603*|ppc603*|PowerPC603*)
0f010b2f 1631 add_cflags -mcpu=603
bc8ec47b 1632 warn_altivec enabled PPC603
bb270c08
DB
1633 ;;
1634 604*|ppc604*|PowerPC604*)
0f010b2f 1635 add_cflags -mcpu=604
bc8ec47b 1636 warn_altivec enabled PPC604
bb270c08
DB
1637 ;;
1638 G3|g3|75*|ppc75*|PowerPC75*)
0f010b2f 1639 add_cflags -mcpu=750 -mpowerpc-gfxopt
bc8ec47b 1640 warn_altivec enabled PPC75x
bb270c08
DB
1641 ;;
1642 G4|g4|745*|ppc745*|PowerPC745*)
0f010b2f 1643 add_cflags -mcpu=7450 -mpowerpc-gfxopt
bc8ec47b 1644 warn_altivec disabled PPC745x
bb270c08
DB
1645 ;;
1646 74*|ppc74*|PowerPC74*)
0f010b2f 1647 add_cflags -mcpu=7400 -mpowerpc-gfxopt
bc8ec47b 1648 warn_altivec disabled PPC74xx
bb270c08
DB
1649 ;;
1650 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
0f010b2f 1651 add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
bc8ec47b 1652 warn_altivec disabled PPC970
9cafbd6c 1653 enable ppc64
bb270c08 1654 ;;
e07e357d 1655 Cell|CELL|cell)
0f010b2f 1656 add_cflags -mcpu=cell
e07e357d 1657 warn_altivec disabled Cell
9cafbd6c 1658 enable ppc64
e07e357d 1659 ;;
e7768fc5
GP
1660 # targets that do NOT support conditional mov (cmov)
1661 i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
0f010b2f 1662 add_cflags -march=$cpu
497237c7 1663 disable cmov
e7768fc5
GP
1664 ;;
1665 # targets that do support conditional mov (cmov)
416519dd 1666 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
0f010b2f 1667 add_cflags -march=$cpu
497237c7
RP
1668 enable cmov
1669 enable fast_cmov
94e4c3a3
GP
1670 ;;
1671 # targets that do support conditional mov but on which it's slow
800a5a19 1672 pentium4|pentium4m|prescott|nocona)
0f010b2f 1673 add_cflags -march=$cpu
497237c7
RP
1674 enable cmov
1675 disable fast_cmov
bb270c08 1676 ;;
d7b34d08 1677 sparc64)
0f010b2f 1678 add_cflags -mcpu=v9
d7b34d08 1679 ;;
f2e49553 1680 arm11*|cortex*)
0f010b2f 1681 add_cflags -mcpu=$cpu
f2e49553
MR
1682 enable fast_unaligned
1683 ;;
0223bd6f 1684 armv*)
0f010b2f 1685 add_cflags -march=$cpu
0223bd6f 1686 ;;
f2e49553 1687 arm*)
0f010b2f 1688 add_cflags -mcpu=$cpu
6b19786b 1689 ;;
1cd11856
MR
1690 ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1691 add_cflags -mcpu=$cpu
1692 ;;
bb270c08 1693 *)
7483e694 1694 echo "WARNING: Unknown CPU \"$cpu\", ignored."
bb270c08 1695 ;;
a4adb608
MN
1696 esac
1697fi
1698
be0d52ab 1699# make sure we can execute files in $TMPDIR
2270b4b2 1700cat > $TMPSH 2>> $logfile <<EOF
be0d52ab
MR
1701#! /bin/sh
1702EOF
2270b4b2
DB
1703chmod +x $TMPSH >> $logfile 2>&1
1704if ! $TMPSH >> $logfile 2>&1; then
be0d52ab 1705 cat <<EOF
a49d42c2
MR
1706Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1707variable to another directory and make sure that it is not mounted noexec.
be0d52ab
MR
1708EOF
1709 die "Sanity test failed."
1710fi
edd08265 1711rm $TMPSH
be0d52ab 1712
1a268acc
MR
1713# compiler sanity check
1714check_exec <<EOF
c23a0ac8 1715int main(void){ return 0; }
1a268acc
MR
1716EOF
1717if test "$?" != 0; then
1718 echo "$cc is unable to create an executable file."
93b3c083 1719 if test -z "$cross_prefix" && ! enabled cross_compile ; then
db6107b6 1720 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
c7ae6345 1721 echo "Only do this if you know what cross compiling means."
1a268acc
MR
1722 fi
1723 die "C compiler test failed."
1724fi
1725
b4d96ba2
MR
1726check_cc <<EOF || die "Symbol mangling check failed."
1727int ff_extern;
1728EOF
2f05d9c1 1729sym=$($nm -P -g $TMPO | grep ff_extern)
b4d96ba2
MR
1730extern_prefix=${sym%%ff_extern*}
1731
61d251db
MR
1732check_asm inline_asm '""'
1733
9eeed841 1734if enabled x86; then
44965991
PI
1735 # check whether EBP is available on x86
1736 # As 'i' is stored on the stack, this program will crash
1737 # if the base pointer is used to access it because the
1738 # base pointer is cleared in the inline assembly code.
7dfef245 1739 check_exec_crash <<EOF && enable ebp_available
44965991 1740 volatile int i=0;
be449fca 1741 __asm__ volatile (
44965991
PI
1742 "xorl %%ebp, %%ebp"
1743 ::: "%ebp");
1744 return i;
44965991
PI
1745EOF
1746
1747 # check wether EBX is available on x86
940f335a 1748 check_asm ebx_available '"":::"%ebx"'
8e380710 1749
d7f0920b 1750 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 1751 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
d7f0920b 1752 enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
6bd859d6
MR
1753
1754 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 1755
d52481b9 1756 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d
LM
1757 enabled x86_64 && append YASMFLAGS "-m amd64"
1758 enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1759 case "$objformat" in
1760 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1b0f6fb8 1761 macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
304d586d
LM
1762 *) append YASMFLAGS "-DPREFIX" ;;
1763 esac
1764 check_yasm "pabsw xmm0, xmm0" && enable yasm
44965991
PI
1765fi
1766
87ea51e0
LB
1767# check for assembler specific support
1768
5b6c2cbd 1769enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
87ea51e0 1770
57bd82d4
MR
1771# check for SIMD availability
1772
115329f1 1773# AltiVec flags: The FSF version of GCC differs from the Apple version
9eeed841 1774if enabled altivec; then
3ed1a2ee
DB
1775 check_cflags -maltivec -mabi=altivec &&
1776 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4477b9f4 1777 check_cflags -faltivec
b6e52719 1778
0182fee8 1779 # check if our compiler supports Motorola AltiVec C API
497237c7 1780 check_cc <<EOF || disable altivec
dcd479c0 1781$inc_altivec_h
a9a07762
MN
1782int main(void) {
1783 vector signed int v1, v2, v3;
1784 v1 = vec_add(v2,v3);
1785 return 0;
1786}
1787EOF
b006b26c
DB
1788
1789 # check if our compiler supports braces for vector declarations
80a61f08 1790 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
b006b26c 1791$inc_altivec_h
80a61f08 1792int main (void) { (vector int) {1}; return 0; }
b006b26c 1793EOF
a9a07762 1794fi
ab6c65f6 1795
b4e806b2 1796# We have to check if pld is a nop and disable it.
a2fc0f6a 1797enabled arm && check_asm pld '"pld [r0]"'
940f335a
MR
1798enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1799enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
ab5cb084 1800enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
f55b299a 1801enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
940f335a
MR
1802enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
1803enabled mmi && check_asm mmi '"lq $2, 0($2)"'
6b18d278 1804enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
940f335a 1805enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
bd9d34a0 1806
0f010b2f 1807enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
8b03def6 1808
57bd82d4
MR
1809# ---
1810# big/little-endian test
9eebe687
MR
1811check_cc <<EOF || die "endian test failed"
1812unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
a3999908 1813EOF
d04d9e16 1814od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
487a54d7 1815
a3999908 1816# ---
3d204385
NK
1817# check availability of some header files
1818
a98bb16d
RP
1819if check_func dlopen; then
1820 ldl=
1821elif check_func dlopen -ldl; then
1822 ldl=-ldl
8bf5d58f
MN
1823fi
1824
7483e694
DB
1825check_func fork
1826check_func gethrtime
1827check_func getrusage
094c09bb 1828check_func inet_aton $network_extralibs
7483e694
DB
1829check_func memalign
1830check_func mkstemp
1f91cdce 1831check_func posix_memalign
b507ebd1 1832check_func_headers io.h setmode
2446d3d6 1833check_func_headers windows.h GetProcessTimes
6ffa87d3 1834
e16e49ac 1835check_header conio.h
a98bb16d
RP
1836check_header dlfcn.h
1837check_header malloc.h
bf6ce82d 1838check_header poll.h
b58412f1 1839check_header sys/mman.h
b091aa44 1840check_header sys/resource.h
bf6ce82d 1841check_header sys/select.h
a98bb16d 1842check_header termios.h
272081b0
CEH
1843check_header vdpau/vdpau.h
1844check_header vdpau/vdpau_x11.h
68178ca9 1845check_header X11/extensions/XvMClib.h
a98bb16d 1846
1f91cdce
RP
1847if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1848 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 1849fi
e16e49ac 1850
a4fa192c 1851disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 1852disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
1853
1854# check for some common methods of building with pthread support
1855# do this before the optional library checks as some of them require pthreads
1856if enabled pthreads; then
9e7fd101
MR
1857 if check_func pthread_create; then
1858 :
1859 elif check_func pthread_create -pthread; then
1860 add_cflags -pthread
afc9aee2 1861 add_extralibs -pthread
9e7fd101
MR
1862 elif check_func pthread_create -pthreads; then
1863 add_cflags -pthreads
afc9aee2 1864 add_extralibs -pthreads
8d94f606
GT
1865 elif check_func pthread_create -lpthreadGC2; then
1866 add_extralibs -lpthreadGC2
9e7fd101
MR
1867 elif ! check_lib pthread.h pthread_create -lpthread; then
1868 die "ERROR: can't find pthreads library"
1869 fi
57bd82d4
MR
1870fi
1871
8eee7025 1872for thread in $THREADS_LIST; do
e5f94c2b 1873 if enabled $thread; then
3ae3b721
RP
1874 test -n "$thread_type" &&
1875 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 1876 thread_type="$thread"
e5f94c2b
RP
1877 fi
1878done
1879
fdf88598
MR
1880check_lib math.h sin -lm
1881
a33cab3a 1882# test for C99 functions in math.h
7b04b8a0 1883for func in llrint lrint lrintf round roundf truncf; do
a33cab3a 1884 check_exec <<EOF && enable $func || disable $func
f32adb22 1885#include <math.h>
a33cab3a 1886int main(void) { return ($func(3.999f) > 0)?0:1; }
f32adb22 1887EOF
a33cab3a 1888done
f32adb22 1889
57bd82d4 1890# these are off by default, so fail if requested and not available
79fda097 1891enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
7483e694
DB
1892enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1893enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
e3cc7d6f 1894enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
36718e51
DB
1895 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1896 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
79fda097
DB
1897enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1898enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694 1899enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2bfecf73 1900enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 1901enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
36718e51
DB
1902enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1903 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 1904enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
7483e694
DB
1905enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
1906enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2bfecf73 1907enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
57f0ec6e
MR
1908 { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1909 die "ERROR: libx264 version must be >= 0.65."; }
2bfecf73 1910enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 1911enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 1912
0b4a1821
AS
1913# libdc1394 check
1914if enabled libdc1394; then
1915 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1916 enable libdc1394_2; } ||
1917 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1918 enable libdc1394_1; } ||
1919 die "ERROR: No version of libdc1394 found "
1920fi
1921
1922
c13e1abd
FH
1923_restrict=
1924for restrict_keyword in restrict __restrict__ __restrict; do
57bd82d4 1925 check_cc <<EOF && _restrict=$restrict_keyword && break
dcd479c0
MR
1926void foo(char * $restrict_keyword p);
1927EOF
c13e1abd
FH
1928done
1929
703afd07 1930test "$vhook" = "default" && vhook="$dlopen"
a8721c09 1931
4f854758 1932if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
497237c7 1933 disable vhook
fbb9d104 1934 echo
b0268cc0 1935 echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
fbb9d104
VP
1936 echo "Patches welcome."
1937 echo
1938fi
1939
8d923001
MR
1940if enabled vhook; then
1941 check_ldflags -rdynamic
1942 check_ldflags -export-dynamic
1943fi
bfd2edeb 1944
eea50282
MR
1945check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1946check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
04511d53 1947
a86b921c 1948##########################################
29799f8b 1949# SDL check
a86b921c 1950
497237c7
RP
1951disable sdl_too_old
1952disable sdl
6a1a892f 1953SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 1954if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
225e21ef
MR
1955 sdl_cflags=`"${SDL_CONFIG}" --cflags`
1956 temp_cflags $sdl_cflags
dcd479c0 1957 temp_extralibs `"${SDL_CONFIG}" --libs`
1ca5d97f 1958 if check_lib2 SDL.h SDL_Init; then
dcd479c0 1959 _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
29f3b38a 1960 if test "$_sdlversion" -lt 121 ; then
497237c7 1961 enable sdl_too_old
dcd479c0 1962 else
497237c7 1963 enable sdl
225e21ef 1964 check_cc $sdl_cflags <<EOF && enable sdl_video_size
29f3b38a 1965#include <SDL.h>
d6773f56 1966int main(int argc, char **argv){
29f3b38a
MR
1967 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1968 int w = vi->current_w;
1969 return 0;
1970}
1971EOF
dcd479c0
MR
1972 fi
1973 fi
29f3b38a 1974 restore_flags
c3f6b472 1975fi
57bd82d4 1976
2270b4b2 1977texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 1978
7a91333f 1979##########################################
73b46a95
RP
1980# Network check
1981
1982if enabled network; then
96000432 1983 check_type "sys/types.h sys/socket.h" socklen_t
73b46a95
RP
1984 # Prefer arpa/inet.h over winsock2
1985 if check_header arpa/inet.h ; then
1986 check_func closesocket
1987 elif check_header winsock2.h ; then
ea10ddde 1988 network_extralibs="-lws2_32"
72be9e73 1989 check_type ws2tcpip.h socklen_t
2446d3d6 1990 check_func_headers winsock2.h closesocket
73b46a95
RP
1991 fi
1992fi
1993
1994##########################################
29799f8b 1995# IPv6 check
7a91333f 1996
497237c7 1997enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
7a91333f
HZ
1998#include <sys/types.h>
1999#include <sys/socket.h>
2000#include <netinet/in.h>
2001#include <netdb.h>
db817cf3 2002int main(void) {
7483e694
DB
2003 struct sockaddr_storage saddr;
2004 struct ipv6_mreq mreq6;
2005 getaddrinfo(0,0,0,0);
2006 getnameinfo(0,0,0,0,0,0,0);
2007 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
2008}
2009EOF
2010
06e31011
RP
2011check_header linux/videodev.h
2012check_header linux/videodev2.h
1b6e8b73 2013check_header sys/videoio.h
47f38850 2014
2446d3d6 2015check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 2016
f8aa696f 2017# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2018{ check_header dev/bktr/ioctl_meteor.h &&
2019 check_header dev/bktr/ioctl_bt848.h; } ||
2020{ check_header machine/ioctl_meteor.h &&
2021 check_header machine/ioctl_bt848.h; } ||
2022{ check_header dev/video/meteor/ioctl_meteor.h &&
2023 check_header dev/video/bktr/ioctl_bt848.h; } ||
2024check_header dev/ic/bt8xx.h
f8aa696f 2025
c7682de0
RP
2026check_header sys/soundcard.h
2027check_header soundcard.h
deb29777 2028
7483e694 2029# deal with the X11 frame grabber
56a059ac 2030enabled x11grab &&
f58f4ce1
GP
2031check_header X11/Xlib.h &&
2032check_header X11/extensions/XShm.h &&
2033check_func XOpenDisplay -lX11 &&
06eab4ba 2034check_func XShmCreateImage -lX11 -lXext
f58f4ce1 2035
40bcf4c7 2036enabled debug && add_cflags -g"$debuglevel"
57bd82d4
MR
2037
2038# add some useful compiler flags if supported
2039check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2040check_cflags -Wall
2041check_cflags -Wno-switch
c07bd6a9
MN
2042check_cflags -Wdisabled-optimization
2043check_cflags -Wpointer-arith
2044check_cflags -Wredundant-decls
cc1fb623 2045check_cflags -Wno-pointer-sign
f4929996 2046check_cflags -Wcast-qual
9aceb3cf 2047check_cflags -Wwrite-strings
652a5bf6 2048check_cflags -Wtype-limits
764551c6 2049check_cflags -Wundef
5af4e0cc 2050enabled extra_warnings && check_cflags -Winline
cf9d24ad 2051
57bd82d4 2052# add some linker flags
5c0e9479 2053check_ldflags -Wl,--warn-common
8351d2ba
DB
2054check_ldflags -Wl,--as-needed
2055check_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 2056check_ldflags -Wl,-Bsymbolic
94a3401e 2057
bd2216e4
MR
2058if enabled small; then
2059 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
2060 optimizations="small"
2061elif enabled optimizations; then
3dddba4b 2062 if $cc -v 2>&1 | grep -q xlc; then
0f010b2f
DB
2063 add_cflags -O5
2064 add_ldflags -O5
cf9d24ad 2065 else
0f010b2f 2066 add_cflags -O3
cf9d24ad 2067 fi
cddf3f45 2068fi
11fdbc44 2069check_cflags -fno-math-errno
b2eb2ff0 2070check_cflags -fno-signed-zeros
cddf3f45 2071
504a64b9 2072# add some flags for Intel C Compiler
0c45cd07 2073if $cc --version 2> /dev/null | grep -q Intel; then
504a64b9
CEH
2074 # Just warnings, no remarks
2075 check_cflags -w1
2076 # -wd: Disable following warnings
2077 # 144, 167, 556: -Wno-pointer-sign
2078 # 10006: ignoring unknown option -fno-signed-zeros
2079 # 10156: ignoring option '-W'; no argument required
2080 check_cflags -wd144,167,556,10006,10156
2081 # 11030: Warning unknown option --as-needed
2082 # 10156: ignoring option '-export'; no argument required
2083 check_ldflags -wd10156,11030
907eb3b5
CEH
2084 # Allow to compile with optimizations
2085 check_ldflags -march=$cpu
504a64b9
CEH
2086fi
2087
80581e98 2088# PIC flags for shared library objects where they are needed
5af4e0cc 2089if enabled shared; then
569cb218
MR
2090 # LIBOBJFLAGS may have already been set in the OS configuration
2091 if test -z "$LIBOBJFLAGS" ; then
a8e28698 2092 case "${subarch-$arch}" in
b6bd7268 2093 x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
569cb218
MR
2094 esac
2095 fi
80581e98
MN
2096fi
2097
90be59ef 2098if enabled gprof; then
0f010b2f
DB
2099 add_cflags -p
2100 add_ldflags -p
1db54e20
DB
2101fi
2102
3b26ee47 2103VHOOKCFLAGS="-fPIC"
18451f7d 2104
7f3c02fc 2105# Find out if the .align argument is a power of two or not.
9377b6ce 2106check_asm asmalign_pot '".align 3"'
4454dc1b 2107
7483e694
DB
2108enabled_any $DECODER_LIST && enable decoders
2109enabled_any $ENCODER_LIST && enable encoders
2110enabled_any $BSF_LIST && enable bsfs
2111enabled_any $DEMUXER_LIST && enable demuxers
2112enabled_any $MUXER_LIST && enable muxers
f7679c54 2113enabled_any $FILTER_LIST && enable filters
7483e694
DB
2114enabled_any $INDEV_LIST && enable demuxers
2115enabled_any $OUTDEV_LIST && enable muxers
2116enabled_any $PROTOCOL_LIST && enable protocols
2117
2118enabled_any $THREADS_LIST && enable threads
2119
2120check_deps $CONFIG_LIST \
b6bb00b0 2121 $CONFIG_EXTRA \
7483e694
DB
2122 $HAVE_LIST \
2123 $DECODER_LIST \
2124 $ENCODER_LIST \
2125 $PARSER_LIST \
2126 $BSF_LIST \
2127 $DEMUXER_LIST \
2128 $MUXER_LIST \
f7679c54 2129 $FILTER_LIST \
7483e694
DB
2130 $INDEV_LIST \
2131 $OUTDEV_LIST \
2132 $PROTOCOL_LIST \
f70f03f6 2133
3e89171a 2134echo "install prefix $prefix"
f36958f8
DB
2135echo "source path $source_path"
2136echo "C compiler $cc"
bfd5afd8 2137echo ".align is power-of-two $asmalign_pot"
f36958f8 2138echo "ARCH $arch ($cpu)"
ce8871c2
MR
2139if test "$build_suffix" != ""; then
2140 echo "build suffix $build_suffix"
eb94aca9 2141fi
ac63af34
DB
2142if test "$extra_version" != ""; then
2143 echo "version string suffix $extra_version"
2144fi
0db2ce77 2145echo "big-endian ${bigendian-no}"
5b6c2cbd 2146if enabled x86; then
af44e8e4 2147 echo "yasm ${yasm-no}"
0db2ce77 2148 echo "MMX enabled ${mmx-no}"
1bb04d5a 2149 echo "SSE enabled ${sse-no}"
0db2ce77
MR
2150 echo "CMOV enabled ${cmov-no}"
2151 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2152 echo "EBX available ${ebx_available-no}"
2153 echo "EBP available ${ebp_available-no}"
e41e8342 2154fi
5b6c2cbd 2155if enabled arm; then
0db2ce77
MR
2156 echo "ARMv5TE enabled ${armv5te-no}"
2157 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2158 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2159 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2160 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2161 echo "NEON enabled ${neon-no}"
eba9ae3c 2162fi
5b6c2cbd 2163if enabled mips; then
0db2ce77 2164 echo "MMI enabled ${mmi-no}"
e41e8342 2165fi
5b6c2cbd 2166if enabled ppc; then
0db2ce77
MR
2167 echo "AltiVec enabled ${altivec-no}"
2168 echo "dcbzl available ${dcbzl-no}"
e41e8342 2169fi
0db2ce77
MR
2170echo "gprof enabled ${gprof-no}"
2171echo "debug symbols ${debug-no}"
87a0fb62 2172echo "strip symbols ${stripping-no}"
8400d6b8 2173echo "optimizations ${optimizations-no}"
0db2ce77
MR
2174echo "static ${static-no}"
2175echo "shared ${shared-no}"
4a24ab64 2176echo "postprocessing support ${postproc-no}"
13ca50f3 2177echo "software scaler enabled ${swscale-no}"
f7679c54 2178echo "new filter support ${avfilter-no}"
81124ba0 2179echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2180echo "video hooking ${vhook-no}"
90be59ef 2181if enabled vhook; then
0db2ce77
MR
2182 echo "Imlib2 support ${imlib2-no}"
2183 echo "FreeType support ${freetype2-no}"
68892110 2184fi
0db2ce77 2185echo "network support ${network-no}"
90be59ef 2186if enabled network; then
0db2ce77 2187 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2188fi
0db2ce77
MR
2189echo "threading support ${thread_type-no}"
2190echo "SDL support ${sdl-no}"
90be59ef 2191if enabled sdl_too_old; then
bfd5afd8
DB
2192 echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2193fi
0db2ce77
MR
2194echo "Sun medialib support ${mlib-no}"
2195echo "AVISynth enabled ${avisynth-no}"
0db2ce77
MR
2196echo "libamr-nb support ${libamr_nb-no}"
2197echo "libamr-wb support ${libamr_wb-no}"
f7b8bffe 2198echo "libdc1394 support ${libdc1394-no}"
690bfceb 2199echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2200echo "libfaac enabled ${libfaac-no}"
2201echo "libfaad enabled ${libfaad-no}"
7e0871a7 2202echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2203echo "libgsm enabled ${libgsm-no}"
2204echo "libmp3lame enabled ${libmp3lame-no}"
2205echo "libnut enabled ${libnut-no}"
f7cd9eed 2206echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2207echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2208echo "libtheora enabled ${libtheora-no}"
2209echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2210echo "libx264 enabled ${libx264-no}"
2211echo "libxvid enabled ${libxvid-no}"
272081b0 2212echo "vdpau enabled ${vdpau-no}"
0db2ce77 2213echo "zlib enabled ${zlib-no}"
f402916e 2214echo "bzlib enabled ${bzlib-no}"
2c62e737 2215echo
de6d9b64 2216
f7679c54 2217for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2218 echo "Enabled ${type}s:"
f65c9da1 2219 eval list=\$$(toupper $type)_LIST
8138b9db 2220 for part in $list; do
f65c9da1
MR
2221 enabled $part && echo ${part%_*}
2222 done | sort | pr -3 -t
2223 echo
8138b9db
RP
2224done
2225
ba321adb
JK
2226license="LGPL"
2227if enabled nonfree; then
2228 license="unredistributable"
2229elif enabled gpl; then
2230 license="GPL"
2231fi
2232
2233echo "License: $license"
ca5323af 2234
cf1392e9
DB
2235echo "Creating config.mak and config.h..."
2236
29799f8b
DB
2237echo "# Automatically generated by configure - do not modify!" > config.mak
2238echo "/* Automatically generated by configure - do not modify! */" > $TMPH
9c05103f
DB
2239echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2240echo "#define FFMPEG_CONFIG_H" >> $TMPH
0fd12426 2241echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
de6d9b64 2242
d921f03f 2243echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
c9d19248 2244echo "prefix=$prefix" >> config.mak
22a324da
DB
2245echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2246echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2247echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2248echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2249echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
980fc7b8 2250echo "CC=$cc" >> config.mak
304d586d 2251echo "YASM=$yasmexe" >> config.mak
980fc7b8 2252echo "AR=$ar" >> config.mak
be7109c1 2253echo "RANLIB=$ranlib" >> config.mak
20369773 2254echo "LN_S=$ln_s" >> config.mak
87a0fb62 2255enabled stripping &&
3ae3b721 2256 echo "STRIP=$strip" >> config.mak ||
f25fc9b1 2257 echo "STRIP=echo ignoring strip" >> config.mak
75388c74 2258
a9b3f630 2259echo "OPTFLAGS=$CFLAGS" >> config.mak
2270b4b2 2260echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
0f3cb305 2261echo "LDFLAGS=$LDFLAGS" >> config.mak
c536cb09 2262echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
e1707f52 2263echo "SHFLAGS=$SHFLAGS" >> config.mak
304d586d 2264echo "YASMFLAGS=$YASMFLAGS" >> config.mak
408382a4 2265echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
fbb9d104 2266echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
80581e98 2267echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
5af4e0cc 2268echo "BUILD_STATIC=$static" >> config.mak
ce8871c2 2269echo "BUILDSUF=$build_suffix" >> config.mak
c5f14466 2270echo "FULLNAME=$FULLNAME" >> config.mak
f3ec2d46 2271echo "LIBPREF=$LIBPREF" >> config.mak
c5f14466 2272echo "LIBSUF=$LIBSUF" >> config.mak
24743a76 2273echo "LIBNAME=$LIBNAME" >> config.mak
f3ec2d46 2274echo "SLIBPREF=$SLIBPREF" >> config.mak
c5f14466
RP
2275echo "SLIBSUF=$SLIBSUF" >> config.mak
2276echo "EXESUF=$EXESUF" >> config.mak
ac63af34 2277echo "EXTRA_VERSION=$extra_version" >> config.mak
315c741d 2278echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
9da6609f
MR
2279echo "HOSTCC=$host_cc" >> config.mak
2280echo "HOSTCFLAGS=$host_cflags" >> config.mak
2281echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2282echo "HOSTLIBS=$host_libs" >> config.mak
a7ada2ba
MR
2283echo "TARGET_EXEC=$target_exec" >> config.mak
2284echo "TARGET_PATH=$target_path" >> config.mak
4dc62701 2285
90be59ef 2286if enabled bigendian; then
7483e694
DB
2287 echo "WORDS_BIGENDIAN=yes" >> config.mak
2288 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
91d1f1a4 2289fi
44161118 2290
90be59ef 2291if enabled sdl; then
7483e694
DB
2292 echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2293 echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
a86b921c 2294fi
90be59ef 2295if enabled texi2html; then
7483e694 2296 echo "BUILD_DOC=yes" >> config.mak
146ea952 2297fi
5a872801 2298
719c8e00
MR
2299get_version(){
2300 name=$1
2301 file=$source_path/$2
147e7692
MR
2302 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2303 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2304 lcname=$(tolower $name)
2305 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2306 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2307}
2308
147e7692
MR
2309get_version LIBSWSCALE libswscale/swscale.h
2310get_version LIBPOSTPROC libpostproc/postprocess.h
2311get_version LIBAVCODEC libavcodec/avcodec.h
2312get_version LIBAVDEVICE libavdevice/avdevice.h
2313get_version LIBAVFORMAT libavformat/avformat.h
2314get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2315get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2316
5af4e0cc 2317if enabled shared; then
7483e694
DB
2318 echo "BUILD_SHARED=yes" >> config.mak
2319 echo "PIC=-fPIC -DPIC" >> config.mak
dcc01c06 2320 echo "LIBTARGET=${LIBTARGET}" >> config.mak
7483e694
DB
2321 echo "SLIBNAME=${SLIBNAME}" >> config.mak
2322 echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2323 echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
d22e8442 2324 echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
7483e694
DB
2325 echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2326 echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2327 echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
0319c531 2328fi
d7e27559 2329echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
ef0bc4c9 2330echo "EXTRALIBS=$extralibs" >> config.mak
d2845d68 2331
7b5e8a27
DB
2332echo "ARCH=$arch" >> config.mak
2333
3d907e22
MR
2334print_config ARCH_ $TMPH config.mak $ARCH_LIST
2335print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2336print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2337 $CONFIG_EXTRA \
7483e694
DB
2338 $DECODER_LIST \
2339 $ENCODER_LIST \
2340 $PARSER_LIST \
2341 $BSF_LIST \
2342 $DEMUXER_LIST \
2343 $MUXER_LIST \
f7679c54 2344 $FILTER_LIST \
7483e694
DB
2345 $PROTOCOL_LIST \
2346 $INDEV_LIST \
2347 $OUTDEV_LIST \
8ac17293 2348
c13e1abd
FH
2349echo "#define restrict $_restrict" >> $TMPH
2350
bd2216e4 2351if enabled small; then
7483e694 2352 echo "#define av_always_inline" >> $TMPH
bb801c97
MN
2353fi
2354
997baf01
MR
2355echo "SRC_PATH=\"$source_path\"" >> config.mak
2356echo "SRC_PATH_BARE=$source_path" >> config.mak
2357echo "BUILD_ROOT=\"$PWD\"" >> config.mak
0f3cb305 2358
8156056e 2359# Apparently it's not possible to portably echo a backslash.
3ae3b721 2360enabled asmalign_pot &&
7483e694 2361 printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
295b8c70 2362 printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
4454dc1b 2363
b4d96ba2 2364echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
bc634f6f 2365
9c05103f
DB
2366echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2367
b7860763 2368# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3ae3b721
RP
2369cmp -s $TMPH config.h &&
2370 echo "config.h is unchanged" ||
2371 mv -f $TMPH config.h
3d204385 2372
cea0ac52 2373rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
def4272a 2374
165af439 2375# build tree in object directory if source path is different from current one
90be59ef 2376if enabled source_path_used; then
165af439 2377 DIRS="\
7483e694
DB
2378 doc \
2379 libavcodec \
2380 libavcodec/alpha \
a2fc0f6a 2381 libavcodec/arm \
7483e694 2382 libavcodec/bfin \
7483e694
DB
2383 libavcodec/mlib \
2384 libavcodec/ppc \
2385 libavcodec/sh4 \
2386 libavcodec/sparc \
a6493a8f 2387 libavcodec/x86 \
52a9cf34 2388 libavdevice \
f7679c54 2389 libavfilter \
7483e694
DB
2390 libavformat \
2391 libavutil \
2392 libpostproc \
2393 libswscale \
2394 tests \
2395 tools \
2396 vhook \
2397 "
165af439 2398 FILES="\
7483e694
DB
2399 Makefile \
2400 common.mak \
71c61f62 2401 subdir.mak \
7483e694
DB
2402 doc/texi2pod.pl \
2403 libavcodec/Makefile \
52a9cf34 2404 libavdevice/Makefile \
f7679c54 2405 libavfilter/Makefile \
7483e694
DB
2406 libavformat/Makefile \
2407 libavutil/Makefile \
2408 libpostproc/Makefile \
2409 libswscale/Makefile \
2410 "
165af439 2411 for dir in $DIRS ; do
7483e694 2412 mkdir -p $dir
165af439
MR
2413 done
2414 for f in $FILES ; do
20369773 2415 $ln_s "$source_path/$f" $f
165af439
MR
2416 done
2417fi
def4272a 2418
def4272a 2419
d0674868 2420# build pkg-config files
def4272a 2421
d0674868
DB
2422pkgconfig_generate(){
2423name=$1
b0dfd108 2424shortname=${name#lib}${build_suffix}
d0674868
DB
2425comment=$2
2426version=$3
2427libs=$4
2428requires=$5
25cd5cb3 2429cat <<EOF > $name/$name.pc
3e89171a 2430prefix=$prefix
a94e666c 2431exec_prefix=\${prefix}
f2b7382c 2432libdir=$libdir
7622778e 2433includedir=$incdir
def4272a 2434
d0674868
DB
2435Name: $name
2436Description: $comment
2437Version: $version
5dcfe9f8
AH
2438Requires: $(disabled shared && echo $requires)
2439Requires.private: $(enabled shared && echo $requires)
def4272a 2440Conflicts:
12701f6e
AH
2441Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2442Libs.private: $(enabled shared && echo $libs)
76a448ed 2443Cflags: -I\${includedir}
def4272a 2444EOF
25cd5cb3 2445cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
2446prefix=
2447exec_prefix=
46d1ff83 2448libdir=\${pcfiledir}
1d44d365 2449includedir=${source_path}
def4272a 2450
d0674868
DB
2451Name: $name
2452Description: $comment
2453Version: $version
2454Requires: $requires
def4272a 2455Conflicts:
12701f6e 2456Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
2457Cflags: -I\${includedir}
2458EOF
d0674868 2459}
def4272a 2460
e426941d 2461pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
2462pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2463pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2464pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 2465enabled avfilter &&
46983309 2466 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 2467enabled postproc &&
e426941d 2468 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
13ca50f3 2469if enabled swscale; then
e426941d 2470 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
6c0d0413 2471else
46983309 2472 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavcodec = $LIBAVCODEC_VERSION"
25cd5cb3 2473 apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
6c0d0413 2474fi