Fix last frame block size correction.
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
c21d6325
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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
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54 exit 1
55fi
56
74c53c2d 57show_help(){
06454877
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58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.err]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
336ce917 85 --disable-ffprobe disable ffprobe build
06454877 86 --disable-ffserver disable ffserver build
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87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
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91 --enable-postproc enable GPLed postprocessing support [no]
92 --enable-avfilter video filter support [no]
93 --enable-avfilter-lavf video filters dependent on avformat [no]
94 --enable-beosthreads use BeOS threads [no]
95 --enable-os2threads use OS/2 threads [no]
96 --enable-pthreads use pthreads [no]
97 --enable-w32threads use Win32 threads [no]
98 --enable-x11grab enable X11 grabbing [no]
99 --disable-network disable network support [no]
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100 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
103 --disable-fastdiv disable table-based division
104 --enable-small optimize for size instead of speed
105 --disable-aandct disable AAN DCT code
7f3f5f46 106 --disable-dct disable DCT code
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107 --disable-fft disable FFT code
108 --disable-golomb disable Golomb code
109 --disable-lpc disable LPC code
110 --disable-mdct disable MDCT code
111 --disable-rdft disable RDFT code
112 --disable-vaapi disable VAAPI code
113 --disable-vdpau disable VDPAU code
92c6a099 114 --disable-dxva2 disable DXVA2 code
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115 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
116 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
117 --enable-memalign-hack emulate memalign, interferes with memory debuggers
118 --enable-beos-netserver enable BeOS netserver
119 --disable-encoder=NAME disable encoder NAME
120 --enable-encoder=NAME enable encoder NAME
121 --disable-encoders disable all encoders
122 --disable-decoder=NAME disable decoder NAME
123 --enable-decoder=NAME enable decoder NAME
124 --disable-decoders disable all decoders
125 --disable-hwaccel=NAME disable hwaccel NAME
126 --enable-hwaccel=NAME enable hwaccel NAME
127 --disable-hwaccels disable all hwaccels
128 --disable-muxer=NAME disable muxer NAME
129 --enable-muxer=NAME enable muxer NAME
130 --disable-muxers disable all muxers
131 --disable-demuxer=NAME disable demuxer NAME
132 --enable-demuxer=NAME enable demuxer NAME
133 --disable-demuxers disable all demuxers
134 --enable-parser=NAME enable parser NAME
135 --disable-parser=NAME disable parser NAME
136 --disable-parsers disable all parsers
137 --enable-bsf=NAME enable bitstream filter NAME
138 --disable-bsf=NAME disable bitstream filter NAME
139 --disable-bsfs disable all bitstream filters
140 --enable-protocol=NAME enable protocol NAME
141 --disable-protocol=NAME disable protocol NAME
142 --disable-protocols disable all protocols
143 --disable-indev=NAME disable input device NAME
144 --disable-outdev=NAME disable output device NAME
145 --disable-indevs disable input devices
146 --disable-outdevs disable output devices
147 --disable-devices disable all devices
148 --enable-filter=NAME enable filter NAME
149 --disable-filter=NAME disable filter NAME
150 --disable-filters disable all filters
151 --list-decoders show all available decoders
152 --list-encoders show all available encoders
153 --list-hwaccels show all available hardware accelerators
154 --list-muxers show all available muxers
155 --list-demuxers show all available demuxers
156 --list-parsers show all available parsers
157 --list-protocols show all available protocols
158 --list-bsfs show all available bitstream filters
159 --list-indevs show all available input devices
160 --list-outdevs show all available output devices
161 --list-filters show all available filters
162
163External library support:
164 --enable-avisynth enable reading of AVISynth script files [no]
165 --enable-bzlib enable bzlib [autodetect]
166 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
169 and libraw1394 [no]
170 --enable-libdirac enable Dirac support via libdirac [no]
171 --enable-libfaac enable FAAC support via libfaac [no]
172 --enable-libfaad enable FAAD support via libfaad [no]
173 --enable-libfaadbin open libfaad.so.0 at runtime [no]
174 --enable-libgsm enable GSM support via libgsm [no]
175 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
176 --enable-libnut enable NUT (de)muxing via libnut,
177 native (de)muxer exists [no]
178 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
179 --enable-libschroedinger enable Dirac support via libschroedinger [no]
180 --enable-libspeex enable Speex decoding via libspeex [no]
181 --enable-libtheora enable Theora encoding via libtheora [no]
182 --enable-libvorbis enable Vorbis encoding via libvorbis,
183 native implementation exists [no]
184 --enable-libx264 enable H.264 encoding via x264 [no]
185 --enable-libxvid enable Xvid encoding via xvidcore,
186 native MPEG-4/Xvid encoder exists [no]
187 --enable-mlib enable Sun medialib [no]
188 --enable-zlib enable zlib [autodetect]
189
190Advanced options (experts only):
191 --source-path=PATH path to source code [$source_path]
192 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
193 --enable-cross-compile assume a cross-compiler is used
194 --sysroot=PATH root of cross-build tree
195 --sysinclude=PATH location of cross-build system headers
196 --target-os=OS compiler targets OS [$target_os]
197 --target-exec=CMD command to run executables on target
198 --target-path=DIR path to view of build directory on target
199 --nm=NM use nm tool
200 --as=AS use assembler AS [$as_default]
201 --cc=CC use C compiler CC [$cc_default]
202 --ld=LD use linker LD
203 --host-cc=HOSTCC use host C compiler HOSTCC
204 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
205 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
206 --host-libs=HLIBS use libs HLIBS when linking for host
207 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
208 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
209 --extra-libs=ELIBS add ELIBS [$ELIBS]
210 --extra-version=STRING version string suffix []
211 --build-suffix=SUFFIX library name suffix []
212 --arch=ARCH select architecture [$arch]
213 --cpu=CPU select the minimum required CPU (affects
214 instruction selection, may crash on older CPUs)
215 --enable-powerpc-perf enable performance report on PPC
216 (requires enabling PMC)
c8a4ae00 217 --disable-asm disable all assembler optimizations
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218 --disable-altivec disable AltiVec optimizations
219 --disable-amd3dnow disable 3DNow! optimizations
220 --disable-amd3dnowext disable 3DNow! extended optimizations
221 --disable-mmx disable MMX optimizations
222 --disable-mmx2 disable MMX2 optimizations
223 --disable-sse disable SSE optimizations
224 --disable-ssse3 disable SSSE3 optimizations
225 --disable-armv5te disable armv5te optimizations
226 --disable-armv6 disable armv6 optimizations
227 --disable-armv6t2 disable armv6t2 optimizations
228 --disable-armvfp disable ARM VFP optimizations
229 --disable-iwmmxt disable iwmmxt optimizations
230 --disable-mmi disable MMI optimizations
231 --disable-neon disable neon optimizations
232 --disable-vis disable VIS optimizations
233 --disable-yasm disable use of yasm assembler
234 --enable-pic build position-independent code
4ae40685 235 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 236 --enable-sram allow use of on-chip SRAM
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237
238Developer options (useful when working on FFmpeg itself):
239 --disable-debug disable debugging symbols
240 --enable-debug=LEVEL set the debug level [$debuglevel]
241 --enable-gprof enable profiling with gprof [$gprof]
242 --disable-optimizations disable compiler optimizations
243 --enable-extra-warnings enable more compiler warnings
244 --disable-stripping disable stripping of executables and shared libraries
245
246NOTE: Object files are built at the place where configure is launched.
247EOF
60e8bc13 248 exit 0
74c53c2d 249}
cf9d24ad 250
57bd82d4 251log(){
2270b4b2 252 echo "$@" >> $logfile
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253}
254
720c69da 255log_file(){
c8e9f801 256 log BEGIN $1
2270b4b2 257 pr -n -t $1 >> $logfile
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258 log END $1
259}
260
2ba042a7 261echolog(){
c8e9f801 262 log "$@"
57bd82d4 263 echo "$@"
2ba042a7
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264}
265
266die(){
267 echolog "$@"
268 cat <<EOF
d326cf7f 269
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270If you think configure made a mistake, make sure you are using the latest
271version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 272ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 273EOF
e155a21a 274 if disabled logging; then
2ba042a7 275 cat <<EOF
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276Rerun configure with logging enabled (do not use --disable-logging), and
277include the log this produces with your report.
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278EOF
279 else
280cat <<EOF
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281Include the log file "$logfile" produced by configure as this will help
282solving the problem.
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283EOF
284 fi
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285 exit 1
286}
287
6c6007d6 288# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 289toupper(){
6c6007d6 290 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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291}
292
4a5444db 293tolower(){
6c6007d6 294 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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295}
296
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297c_escape(){
298 echo "$*" | sed 's/["\\]/\\\0/g'
299}
300
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301sh_quote(){
302 v=$(echo "$1" | sed "s/'/'\\\\''/g")
303 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
304 echo "$v"
305}
306
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307filter(){
308 pat=$1
309 shift
310 for v; do
98ef6079 311 eval "case $v in $pat) echo $v ;; esac"
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312 done
313}
314
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315set_all(){
316 value=$1
317 shift
318 for var in $*; do
319 eval $var=$value
320 done
321}
322
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323set_weak(){
324 value=$1
325 shift
326 for var; do
327 eval : \${$var:=$value}
328 done
329}
330
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331pushvar(){
332 for var in $*; do
333 eval level=\${${var}_level:=0}
334 eval ${var}_${level}="\$$var"
335 eval ${var}_level=$(($level+1))
336 done
337}
338
339popvar(){
340 for var in $*; do
341 eval level=\${${var}_level:-0}
342 test $level = 0 && continue
343 eval level=$(($level-1))
344 eval $var="\${${var}_${level}}"
345 eval ${var}_level=$level
346 eval unset ${var}_${level}
347 done
348}
349
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350enable(){
351 set_all yes $*
352}
353
354disable(){
355 set_all no $*
356}
357
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358enable_weak(){
359 set_weak yes $*
360}
361
362disable_weak(){
363 set_weak no $*
364}
365
72702705 366enable_safe(){
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367 for var; do
368 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
369 done
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MR
370}
371
372disable_safe(){
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373 for var; do
374 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
375 done
72702705
MR
376}
377
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378do_enable_deep(){
379 for var; do
380 enabled $var && continue
381 eval sel="\$${var}_select"
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382 eval sgs="\$${var}_suggest"
383 pushvar var sgs
f9d328da 384 enable_deep $sel
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385 popvar sgs
386 enable_deep_weak $sgs
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387 popvar var
388 done
389}
390
391enable_deep(){
392 do_enable_deep $*
393 enable $*
394}
395
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396enable_deep_weak(){
397 do_enable_deep $*
398 enable_weak $*
399}
400
57bd82d4 401enabled(){
3250003c
MR
402 test "${1#!}" = "$1" && op== || op=!=
403 eval test "x\$${1#!}" $op "xyes"
44161118
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404}
405
37970ebf 406disabled(){
3250003c
MR
407 test "${1#!}" = "$1" && op== || op=!=
408 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
409}
410
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411enabled_all(){
412 for opt; do
413 enabled $opt || return 1
414 done
415}
416
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DB
417disabled_all(){
418 for opt; do
419 disabled $opt || return 1
420 done
421}
422
44161118
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423enabled_any(){
424 for opt; do
425 enabled $opt && return 0
426 done
427}
428
85bca2c5
DB
429disabled_any(){
430 for opt; do
431 disabled $opt && return 0
432 done
f7b230a7 433 return 1
85bca2c5
DB
434}
435
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436set_default(){
437 for opt; do
88268e94 438 eval : \${$opt:=\$${opt}_default}
c9d19248
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439 done
440}
441
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AJ
442is_in(){
443 value=$1
444 shift
445 for var in $*; do
446 [ $var = $value ] && return 0
447 done
448 return 1
449}
450
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451check_deps(){
452 for cfg; do
3250003c 453 cfg="${cfg#!}"
799c9e9b
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454 enabled ${cfg}_checking && die "Circular dependency for $cfg."
455 disabled ${cfg}_checking && continue
456 enable ${cfg}_checking
457
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458 eval dep_all="\$${cfg}_deps"
459 eval dep_any="\$${cfg}_deps_any"
7ef3425f 460 eval dep_sel="\$${cfg}_select"
c510c7b5 461 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
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462 eval dep_ifa="\$${cfg}_if"
463 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 464
3d7453e0
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465 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
466 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
467 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 468
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469 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
470 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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471 enabled_all $dep_all || disable $cfg
472 enabled_any $dep_any || disable $cfg
7ef3425f 473 disabled_any $dep_sel && disable $cfg
799c9e9b 474
4ec45764
RP
475 if enabled $cfg; then
476 eval dep_extralibs="\$${cfg}_extralibs"
477 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 478 enable_deep $dep_sel
c510c7b5 479 enable_deep_weak $dep_sgs
4ec45764
RP
480 fi
481
799c9e9b 482 disable ${cfg}_checking
30fd06be
MR
483 done
484}
485
44161118
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486print_config(){
487 pfx=$1
488 header=$2
489 makefile=$3
490 shift 3
491 for cfg; do
5e622c40 492 ucname="$(toupper $cfg)"
44161118 493 if enabled $cfg; then
3d907e22 494 echo "#define ${pfx}${ucname} 1" >> $header
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495 echo "${pfx}${ucname}=yes" >> $makefile
496 else
b250f9c6 497 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 498 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
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499 fi
500 done
57bd82d4
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501}
502
503flags_saved(){
2270b4b2 504 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
505}
506
dcd479c0 507save_flags(){
57bd82d4 508 flags_saved && return
dcd479c0
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509 SAVE_CFLAGS="$CFLAGS"
510 SAVE_LDFLAGS="$LDFLAGS"
511 SAVE_extralibs="$extralibs"
512}
513
514restore_flags(){
f5d28d10 515 flags_saved || return
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516 CFLAGS="$SAVE_CFLAGS"
517 LDFLAGS="$SAVE_LDFLAGS"
518 extralibs="$SAVE_extralibs"
519 unset SAVE_CFLAGS
520 unset SAVE_LDFLAGS
521 unset SAVE_extralibs
522}
523
524temp_cflags(){
525 save_flags
526 CFLAGS="$CFLAGS $*"
527}
528
529temp_ldflags(){
530 save_flags
531 LDFLAGS="$LDFLAGS $*"
532}
533
534temp_extralibs(){
535 save_flags
536 extralibs="$extralibs $*"
537}
538
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539append(){
540 var=$1
541 shift
542 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
543 eval "$var=\"\$$var $*\""
544}
545
50a334e4 546add_cppflags(){
caf458dd 547 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
548}
549
57bd82d4 550add_cflags(){
caf458dd 551 append CFLAGS $($filter_cflags "$@")
57bd82d4
MR
552}
553
2f2e6c7c 554add_asflags(){
caf458dd 555 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
MR
556}
557
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558add_ldflags(){
559 append LDFLAGS "$@"
560}
561
562add_extralibs(){
563 append extralibs "$@"
564}
565
b0cfb663 566check_cmd(){
b3cb5d51 567 log "$@"
2270b4b2 568 "$@" >> $logfile 2>&1
b0cfb663
MR
569}
570
dcd479c0 571check_cc(){
57bd82d4 572 log check_cc "$@"
2270b4b2 573 cat > $TMPC
720c69da 574 log_file $TMPC
50a334e4 575 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
576}
577
578check_cpp(){
579 log check_cpp "$@"
2270b4b2 580 cat > $TMPC
720c69da 581 log_file $TMPC
9e7f3277 582 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
583}
584
f65883c8
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585check_as(){
586 log check_as "$@"
587 cat > $TMPC
588 log_file $TMPC
2f2e6c7c 589 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
590}
591
940f335a
MR
592check_asm(){
593 log check_asm "$@"
594 name="$1"
3784e82e 595 code="$2"
940f335a 596 shift 2
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597 disable $name
598 check_as "$@" <<EOF && enable $name
3784e82e 599void foo(void){ __asm__ volatile($code); }
940f335a
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600EOF
601}
602
304d586d
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603check_yasm(){
604 log check_yasm "$@"
605 echo "$1" > $TMPS
606 log_file $TMPS
607 shift 1
608 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
609}
610
dcd479c0 611check_ld(){
57bd82d4 612 log check_ld "$@"
3155a644
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613 flags=''
614 libs=''
615 for f; do
616 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
617 done
2a194acd 618 check_cc $($filter_cflags $flags) || return
684b28e0 619 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
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620}
621
50a334e4
MR
622check_cppflags(){
623 log check_cppflags "$@"
caf458dd
MR
624 set -- $($filter_cppflags "$@")
625 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
626int x;
627EOF
628}
629
dcd479c0 630check_cflags(){
57bd82d4 631 log check_cflags "$@"
caf458dd
MR
632 set -- $($filter_cflags "$@")
633 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
634int x;
635EOF
636}
637
2ed46eea
MR
638test_ldflags(){
639 log test_ldflags "$@"
640 check_ld "$@" <<EOF
c23a0ac8 641int main(void){ return 0; }
dcd479c0
MR
642EOF
643}
644
2ed46eea
MR
645check_ldflags(){
646 log check_ldflags "$@"
647 test_ldflags "$@" && add_ldflags "$@"
648}
649
dcd479c0 650check_header(){
57bd82d4 651 log check_header "$@"
dcd479c0
MR
652 header=$1
653 shift
b77df637
MR
654 disable_safe $header
655 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
656#include <$header>
657int x;
658EOF
659}
660
661check_func(){
57bd82d4 662 log check_func "$@"
dcd479c0
MR
663 func=$1
664 shift
d8bc5f06
MR
665 disable $func
666 check_ld "$@" <<EOF && enable $func
dcd479c0 667extern int $func();
c23a0ac8 668int main(void){ $func(); }
dcd479c0
MR
669EOF
670}
671
645d2652 672check_mathfunc(){
6b73c0ae 673 log check_mathfunc "$@"
645d2652
MR
674 func=$1
675 shift
676 disable $func
677 check_ld "$@" <<EOF && enable $func
678#include <math.h>
33bd38db
MR
679float foo(float f) { return $func(f); }
680int main(void){ return 0; }
645d2652
MR
681EOF
682}
683
2446d3d6
DB
684check_func_headers(){
685 log check_func_headers "$@"
f8d7b072
MR
686 headers=$1
687 func=$2
688 shift 2
689 disable $func
690 incs=""
691 for hdr in $headers; do
692 incs="$incs
693#include <$hdr>"
694 done
cd0d9a9d 695 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 696$incs
d6773f56 697int main(int argc, char **argv){
2b2c2a81 698 return (long) $func;
f8d7b072
MR
699}
700EOF
701}
702
a5344cf7
SS
703check_cpp_condition(){
704 log check_cpp_condition "$@"
705 header=$1
706 condition=$2
f855b7b9
MR
707 shift 2
708 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
709#include <$header>
710#if !($condition)
711#error "unsatisfied condition: $condition"
712#endif
713EOF
714}
715
57bd82d4
MR
716check_lib(){
717 log check_lib "$@"
718 header="$1"
719 func="$2"
720 shift 2
fcfcde17
MR
721 temp_extralibs "$@"
722 check_header $header && check_func $func && add_extralibs "$@"
723 err=$?
724 restore_flags
725 return $err
57bd82d4
MR
726}
727
f8d7b072
MR
728check_lib2(){
729 log check_lib2 "$@"
730 headers="$1"
731 func="$2"
732 shift 2
300cde27 733 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
734}
735
dcd479c0 736check_exec(){
2270b4b2 737 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
738}
739
7dfef245 740check_exec_crash(){
5e622c40 741 code=$(cat)
7dfef245
MR
742
743 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
744 # are safe but may not be available everywhere. Thus we use
745 # raise(SIGTERM) instead. The check is run in a subshell so we
746 # can redirect the "Terminated" message from the shell. SIGBUS
747 # is not defined by standard C so it is used conditionally.
748
2270b4b2 749 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
750#include <signal.h>
751static void sighandler(int sig){
752 raise(SIGTERM);
753}
e5af4a11 754int main(void){
7dfef245
MR
755 signal(SIGILL, sighandler);
756 signal(SIGFPE, sighandler);
757 signal(SIGSEGV, sighandler);
758#ifdef SIGBUS
759 signal(SIGBUS, sighandler);
760#endif
761 { $code }
762}
763EOF
764}
765
72be9e73
DY
766check_type(){
767 log check_type "$@"
768 headers=$1
769 type=$2
770 shift 2
ae550ce9 771 disable_safe "$type"
72be9e73
DY
772 incs=""
773 for hdr in $headers; do
774 incs="$incs
775#include <$hdr>"
776 done
ae550ce9 777 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
778$incs
779$type v;
780EOF
781}
782
14d36751
MR
783check_struct(){
784 log check_type "$@"
785 headers=$1
786 struct=$2
787 member=$3
788 shift 3
789 disable_safe "${struct}_${member}"
790 incs=""
791 for hdr in $headers; do
792 incs="$incs
793#include <$hdr>"
794 done
795 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
796$incs
797const void *p = &(($struct *)0)->$member;
798EOF
799}
800
57bd82d4
MR
801require(){
802 name="$1"
803 header="$2"
804 func="$3"
805 shift 3
806 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
807}
808
f8d7b072
MR
809require2(){
810 name="$1"
811 headers="$2"
812 func="$3"
813 shift 3
814 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
815}
816
eea50282
MR
817check_foo_config(){
818 cfg=$1
819 pkg=$2
820 header=$3
821 func=$4
822 shift 4
823 disable $cfg
824 check_cmd ${pkg}-config --version
825 err=$?
826 if test "$err" = 0; then
5e622c40
DB
827 temp_cflags $(${pkg}-config --cflags)
828 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
829 check_lib "$@" $header $func && enable $cfg
830 fi
831 return $err
832}
833
f0125de9
MR
834check_host_cc(){
835 log check_host_cc "$@"
836 cat > $TMPC
837 log_file $TMPC
838 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
839}
840
841check_host_cflags(){
842 log check_host_cflags "$@"
843 check_host_cc "$@" <<EOF && append host_cflags "$@"
844int x;
845EOF
846}
847
c505dd31
MR
848apply(){
849 file=$1
850 shift
851 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
852}
853
c34681df
MR
854cp_if_changed(){
855 cmp -s "$1" "$2" &&
856 echo "$2 is unchanged" ||
857 cp -f "$1" "$2"
858}
859
dcd61286
DB
860# CONFIG_LIST contains configurable options, while HAVE_LIST is for
861# system-dependent things.
862
4a0d6686
AJ
863COMPONENT_LIST="
864 bsfs
865 decoders
866 demuxers
867 encoders
3cde40aa 868 filters
5666fd73 869 hwaccels
c552605c 870 indevs
4a0d6686 871 muxers
c552605c 872 outdevs
4a0d6686
AJ
873 parsers
874 protocols
875"
876
877CONFIG_LIST="
878 $COMPONENT_LIST
e8ed9b7a 879 aandct
5a0f7131
MR
880 avcodec
881 avdevice
f7679c54
VS
882 avfilter
883 avfilter_lavf
5a0f7131 884 avformat
c88f5d72
MR
885 avisynth
886 beos_netserver
f402916e 887 bzlib
7f3f5f46 888 dct
c73f65d9 889 doc
92c6a099 890 dxva2
27a9466b 891 fastdiv
c88f5d72
MR
892 ffmpeg
893 ffplay
336ce917 894 ffprobe
c88f5d72 895 ffserver
1848f7d9 896 fft
4f034993 897 golomb
c88f5d72 898 gpl
ecfc4f44 899 gprof
d8d0d0b2 900 gray
3abe5fbd 901 hardcoded_tables
f7b8bffe 902 libdc1394
690bfceb 903 libdirac
2eed5a46
DB
904 libfaac
905 libfaad
906 libfaadbin
c88f5d72 907 libgsm
6ebe07fb 908 libmp3lame
c88f5d72 909 libnut
0b175caa
DB
910 libopencore_amrnb
911 libopencore_amrwb
9a77d59a 912 libopenjpeg
f7cd9eed 913 libschroedinger
ae14f311 914 libspeex
150d2772 915 libtheora
c88f5d72 916 libvorbis
1cc60c47
DB
917 libx264
918 libxvid
f4d608e3 919 lpc
b781cc12 920 lsp
47a158cb 921 mdct
c88f5d72 922 memalign_hack
a8150374 923 mlib
c88f5d72
MR
924 mpegaudio_hp
925 network
3fe142e2 926 nonfree
8a3c8627 927 pic
4a24ab64 928 postproc
2b4c3615 929 powerpc_perf
68602540 930 rdft
e90f5b5a 931 runtime_cpudetect
2e35e684 932 shared
bd2216e4 933 small
6b35d421 934 sram
2e35e684 935 static
5a0f7131 936 swscale
a9ddb5b1 937 swscale_alpha
17492d5e
DB
938 vaapi
939 vdpau
9cad0e4e 940 version3
56a059ac 941 x11grab
c88f5d72 942 zlib
4a0d6686 943"
c88f5d72 944
8eee7025
DB
945THREADS_LIST='
946 beosthreads
d22e8442 947 os2threads
8eee7025
DB
948 pthreads
949 w32threads
950'
951
3f5b56e5
MR
952ARCH_LIST='
953 alpha
a2fc0f6a 954 arm
fdcd782d
MR
955 avr32
956 avr32_ap
957 avr32_uc
3f5b56e5
MR
958 bfin
959 ia64
960 m68k
961 mips
bae3abb0 962 mips64
3f5b56e5 963 parisc
79cb09b2 964 ppc
34d11b87 965 ppc64
3f5b56e5
MR
966 s390
967 sh4
968 sparc
969 sparc64
0844bae1 970 tomi
3f5b56e5
MR
971 x86
972 x86_32
973 x86_64
974'
975
976ARCH_EXT_LIST='
1ac9331a 977 altivec
3bf96eec 978 amd3dnow
a1ef9f08 979 amd3dnowext
1ac9331a 980 armv5te
edab3048 981 armv6
ab5cb084 982 armv6t2
f55b299a 983 armvfp
3f5b56e5
MR
984 iwmmxt
985 mmi
986 mmx
d7f0920b 987 mmx2
6b18d278 988 neon
799fde37 989 ppc4xx
1bb04d5a 990 sse
9eeed841 991 ssse3
bd9d34a0 992 vis
3f5b56e5
MR
993'
994
a3e02a8c
MR
995HAVE_LIST_PUB='
996 bigendian
997'
998
3f5b56e5
MR
999HAVE_LIST="
1000 $ARCH_EXT_LIST
a3e02a8c 1001 $HAVE_LIST_PUB
3f5b56e5 1002 $THREADS_LIST
35fd8122 1003 alsa_asoundlib_h
3f5b56e5 1004 altivec_h
c9fdab0d 1005 arpa_inet_h
dffb41b9 1006 attribute_may_alias
e7ea5e3d 1007 attribute_packed
6bd859d6 1008 bswap
ecf97f22 1009 closesocket
1ac9331a 1010 cmov
e16e49ac 1011 conio_h
c88f5d72 1012 dcbzl
f8aa696f
DB
1013 dev_bktr_ioctl_bt848_h
1014 dev_bktr_ioctl_meteor_h
1015 dev_ic_bt8xx_h
1016 dev_video_meteor_ioctl_meteor_h
1017 dev_video_bktr_ioctl_bt848_h
18b67ae5 1018 dlfcn_h
c88f5d72 1019 dlopen
bc574408 1020 dos_paths
245626d0
DB
1021 ebp_available
1022 ebx_available
6b7c7703
VS
1023 exp2
1024 exp2f
c2a29455 1025 fast_64bit
669b5583 1026 fast_clz
7073e9fc 1027 fast_cmov
7b829d2a 1028 fast_unaligned
9d99cc5a 1029 fork
84882df6 1030 getaddrinfo
da9e86f8 1031 gethrtime
fc5607f8 1032 GetProcessMemoryInfo
4e68cb8a 1033 GetProcessTimes
66be5b45 1034 getrusage
fc5607f8 1035 struct_rusage_ru_maxrss
2e1913b1 1036 inet_aton
61d251db 1037 inline_asm
abfc8d05 1038 isatty
9f5ff83f 1039 ldbrx
0b4a1821
AS
1040 libdc1394_1
1041 libdc1394_2
a33cab3a 1042 llrint
d96cd429
MR
1043 local_aligned_16
1044 local_aligned_8
291fd18a 1045 log2
6b7c7703 1046 log2f
85dd97ad 1047 loongson
a33cab3a 1048 lrint
c88f5d72 1049 lrintf
e4673692 1050 lzo1x_999_compress
f8aa696f
DB
1051 machine_ioctl_bt848_h
1052 machine_ioctl_meteor_h
c88f5d72
MR
1053 malloc_h
1054 memalign
6ffa87d3 1055 mkstemp
b4e806b2 1056 pld
1f91cdce 1057 posix_memalign
a33cab3a
MK
1058 round
1059 roundf
c88f5d72
MR
1060 sdl
1061 sdl_video_size
b507ebd1 1062 setmode
72be9e73 1063 socklen_t
deb29777 1064 soundcard_h
f8cda19e 1065 poll_h
0104b608 1066 setrlimit
c0018613 1067 struct_addrinfo
b4d68544
MS
1068 struct_ipv6_mreq
1069 struct_sockaddr_in6
3b2372bf 1070 struct_sockaddr_sa_len
33a4dbdd 1071 struct_sockaddr_storage
b58412f1 1072 sys_mman_h
b091aa44 1073 sys_resource_h
81644c2e 1074 sys_select_h
deb29777 1075 sys_soundcard_h
1b6e8b73 1076 sys_videoio_h
d3a4b4e0 1077 ten_operands
e16e49ac 1078 termios_h
b265431e 1079 threads
7b04b8a0 1080 truncf
ce742de2 1081 vfp_args
7c5bfe7a 1082 VirtualAlloc
6ff3f3e7 1083 winsock2_h
cc078b5d 1084 xform_asm
304d586d 1085 yasm
0cb78cef 1086"
44161118 1087
b6bb00b0
MR
1088# options emitted with CONFIG_ prefix but not available on command line
1089CONFIG_EXTRA="
dc4f5a1c 1090 avutil
9cad0e4e
DB
1091 gplv3
1092 lgplv3
b6bb00b0
MR
1093"
1094
520cc7f1 1095CMDLINE_SELECT="
3f5b56e5 1096 $ARCH_EXT_LIST
520cc7f1 1097 $CONFIG_LIST
8eee7025 1098 $THREADS_LIST
c8a4ae00 1099 asm
db6107b6 1100 cross_compile
520cc7f1
MR
1101 debug
1102 extra_warnings
8c6afa4d 1103 logging
d2bbb2f7 1104 optimizations
87a0fb62 1105 stripping
7595a5e4 1106 yasm
520cc7f1 1107"
426be5dc
DB
1108
1109PATHS_LIST='
d156bede 1110 bindir
14a8acf1 1111 datadir
26759c44
MR
1112 incdir
1113 libdir
26759c44
MR
1114 mandir
1115 prefix
1116 shlibdir
426be5dc
DB
1117'
1118
1119CMDLINE_SET="
1120 $PATHS_LIST
1121 arch
313c46a6 1122 as
426be5dc
DB
1123 build_suffix
1124 cc
1125 cpu
1126 cross_prefix
50567afa 1127 dep_cc
ac63af34 1128 extra_version
9da6609f
MR
1129 host_cc
1130 host_cflags
1131 host_ldflags
1132 host_libs
82bb3329 1133 host_os
684b28e0 1134 ld
426be5dc 1135 logfile
4ae40685 1136 malloc_prefix
89641463 1137 nm
26759c44 1138 source_path
4f837398 1139 strip
c5200f17
MR
1140 sysinclude
1141 sysroot
a7ada2ba 1142 target_exec
26759c44 1143 target_os
a7ada2ba 1144 target_path
426be5dc 1145"
520cc7f1 1146
89f2932b
MR
1147CMDLINE_APPEND="
1148 extra_cflags
1149"
1150
912f3148
DB
1151# code dependency declarations
1152
9eeed841 1153# architecture extensions
808fa33c 1154
a2fc0f6a
MR
1155armv5te_deps="arm"
1156armv6_deps="arm"
ab5cb084 1157armv6t2_deps="arm"
a2fc0f6a
MR
1158armvfp_deps="arm"
1159iwmmxt_deps="arm"
808fa33c
MR
1160neon_deps="arm"
1161
e241ba14 1162mmi_deps="mips"
808fa33c
MR
1163
1164altivec_deps="ppc"
1165ppc4xx_deps="ppc"
1166
1167vis_deps="sparc"
1168
7f8c3d1f 1169x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1170amd3dnow_deps="mmx"
1171amd3dnowext_deps="amd3dnow"
9eeed841 1172mmx_deps="x86"
75aa95a6 1173mmx2_deps="mmx"
75aa95a6
DB
1174sse_deps="mmx"
1175ssse3_deps="sse"
9eeed841 1176
e939cedd 1177fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1178fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1179fast_unaligned_if_any="armv6 ppc x86"
669b5583 1180
89e053f8 1181need_memalign="altivec neon sse"
6fec122a 1182inline_asm_deps="!tms470"
89e053f8 1183
26fbcc85
MR
1184# subsystems
1185mdct_select="fft"
1186rdft_select="fft"
1187
5666fd73 1188# decoders / encoders / hardware accelerators
26fbcc85
MR
1189aac_decoder_select="mdct aac_parser"
1190aac_encoder_select="mdct"
1191ac3_decoder_select="mdct ac3_parser"
f4d608e3 1192alac_encoder_select="lpc"
b781cc12 1193amrnb_decoder_select="lsp"
084cbbaa 1194atrac1_decoder_select="mdct"
26fbcc85
MR
1195atrac3_decoder_select="mdct"
1196binkaudio_dct_decoder_select="mdct rdft dct"
1197binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1198cavs_decoder_select="golomb"
26fbcc85 1199cook_decoder_select="mdct"
2eef7c62 1200cscd_decoder_suggest="zlib"
26fbcc85 1201dca_decoder_select="mdct"
e8ed9b7a 1202dnxhd_encoder_select="aandct"
2eef7c62 1203dxa_decoder_select="zlib"
baf91bb9 1204eac3_decoder_select="ac3_decoder"
84c04e25 1205eamad_decoder_select="aandct"
e8ed9b7a 1206eatgq_decoder_select="aandct"
d52b39c7 1207eatqi_decoder_select="aandct"
4f034993
MR
1208ffv1_decoder_select="golomb"
1209flac_decoder_select="golomb"
f4d608e3 1210flac_encoder_select="golomb lpc"
2eef7c62
AJ
1211flashsv_decoder_select="zlib"
1212flashsv_encoder_select="zlib"
4414137e 1213flv_decoder_select="h263_decoder"
4d4b4bd1 1214flv_encoder_select="h263_encoder"
e8ed9b7a 1215h261_encoder_select="aandct"
7f647ae0 1216h263_decoder_select="h263_parser"
e8ed9b7a 1217h263_encoder_select="aandct"
ff418735 1218h263_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1219h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1220h263i_decoder_select="h263_decoder"
fe629c2d 1221h263p_encoder_select="h263_encoder"
4f034993 1222h264_decoder_select="golomb"
92c6a099
LA
1223h264_dxva2_hwaccel_deps="dxva2api_h"
1224h264_dxva2_hwaccel_select="dxva2 h264_decoder"
ff418735 1225h264_vaapi_hwaccel_deps="va_va_h"
17492d5e 1226h264_vaapi_hwaccel_select="vaapi"
711dae77 1227h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1228h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1229imc_decoder_select="fft mdct"
4f034993
MR
1230jpegls_decoder_select="golomb"
1231jpegls_encoder_select="golomb"
e8ed9b7a 1232ljpeg_encoder_select="aandct"
4f034993 1233loco_decoder_select="golomb"
e8ed9b7a 1234mjpeg_encoder_select="aandct"
2cca233b 1235mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1236mpeg1video_encoder_select="aandct"
1237mpeg2video_encoder_select="aandct"
4414137e 1238mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1239mpeg4_encoder_select="h263_encoder"
711dae77 1240mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1241mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
711dae77 1242mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1243mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
ff418735 1244mpeg2_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1245mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
ff418735 1246mpeg4_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1247mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871
NC
1248mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1249mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1250mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1251mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1252msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1253msmpeg4v1_encoder_select="h263_encoder"
4414137e 1254msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1255msmpeg4v2_encoder_select="h263_encoder"
4414137e 1256msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1257msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1258nellymoser_decoder_select="mdct"
1259nellymoser_encoder_select="mdct"
2eef7c62
AJ
1260png_decoder_select="zlib"
1261png_encoder_select="zlib"
b781cc12 1262qcelp_decoder_select="lsp"
26fbcc85 1263qdm2_decoder_select="mdct rdft"
a8beb22f 1264rv10_decoder_select="h263_decoder"
b2bf38b4 1265rv10_encoder_select="h263_encoder"
a8beb22f 1266rv20_decoder_select="h263_decoder"
b2bf38b4 1267rv20_encoder_select="h263_encoder"
d52b39c7
AJ
1268rv30_decoder_select="golomb"
1269rv40_decoder_select="golomb"
4f034993 1270shorten_decoder_select="golomb"
b781cc12 1271sipr_decoder_select="lsp"
fa725249 1272snow_encoder_select="aandct"
4f034993
MR
1273sonic_decoder_select="golomb"
1274sonic_encoder_select="golomb"
1275sonic_ls_encoder_select="golomb"
19ecfb8a 1276svq1_encoder_select="aandct"
4f034993 1277svq3_decoder_select="golomb"
bee2eac5 1278svq3_decoder_suggest="zlib"
4eef77c1 1279theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1280tiff_decoder_suggest="zlib"
1281tiff_encoder_suggest="zlib"
aec09a00 1282truehd_decoder_select="mlp_decoder"
2eef7c62 1283tscc_decoder_select="zlib"
b781cc12 1284twinvq_decoder_select="mdct lsp"
f95bfab0 1285vc1_decoder_select="h263_decoder"
9104cd51 1286vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1287vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
ff418735 1288vc1_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1289vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
711dae77 1290vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1291vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1292vorbis_decoder_select="mdct"
1293vorbis_encoder_select="mdct"
e82dc4c9
DB
1294vp6a_decoder_select="vp6_decoder"
1295vp6f_decoder_select="vp6_decoder"
084cbbaa 1296wmapro_decoder_select="mdct"
26fbcc85
MR
1297wmav1_decoder_select="mdct"
1298wmav1_encoder_select="mdct"
1299wmav2_decoder_select="mdct"
1300wmav2_encoder_select="mdct"
b781cc12 1301wmavoice_decoder_select="lsp"
f95bfab0 1302wmv1_decoder_select="h263_decoder"
665507aa 1303wmv1_encoder_select="h263_encoder"
f95bfab0 1304wmv2_decoder_select="h263_decoder"
1746e2a9 1305wmv2_encoder_select="h263_encoder"
015f8ee0 1306wmv3_decoder_select="vc1_decoder"
f0f86627 1307wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1308wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1309wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1310zlib_decoder_select="zlib"
1311zlib_encoder_select="zlib"
1312zmbv_decoder_select="zlib"
1313zmbv_encoder_select="zlib"
30fd06be 1314
28b80940
DB
1315# parsers
1316h264_parser_select="golomb"
1317
f1e94694
DB
1318# bitstream_filters
1319aac_adtstoasc_bsf_select="aac_parser"
1320
912f3148 1321# external libraries
1b71f045 1322libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1323libdirac_encoder_deps="libdirac"
c9171a83 1324libfaac_encoder_deps="libfaac"
69ddbd1d 1325libfaad_decoder_deps="libfaad"
4ec45764 1326libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1327libgsm_decoder_deps="libgsm"
1328libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1329libgsm_ms_decoder_deps="libgsm"
1330libgsm_ms_encoder_deps="libgsm"
1cc60c47 1331libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1332libopencore_amrnb_decoder_deps="libopencore_amrnb"
1333libopencore_amrnb_encoder_deps="libopencore_amrnb"
1334libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1335libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1336libschroedinger_decoder_deps="libschroedinger"
1337libschroedinger_encoder_deps="libschroedinger"
ae14f311 1338libspeex_decoder_deps="libspeex"
150d2772 1339libtheora_encoder_deps="libtheora"
b0caf888 1340libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1341libx264_encoder_deps="libx264"
1342libxvid_encoder_deps="libxvid"
30fd06be 1343
912f3148 1344# demuxers / muxers
03a76ba9 1345ac3_demuxer_deps="ac3_parser"
647c2356 1346asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1347avisynth_demuxer_deps="avisynth"
1348dirac_demuxer_deps="dirac_parser"
5b423887 1349eac3_demuxer_select="ac3_parser"
647c2356 1350ipod_muxer_select="mov_muxer"
4e622dea
SS
1351libnut_demuxer_deps="libnut"
1352libnut_muxer_deps="libnut"
647c2356 1353matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1354matroska_demuxer_suggest="zlib bzlib"
1355mov_demuxer_suggest="zlib"
1356mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1357mp4_muxer_select="mov_muxer"
1358mpegtsraw_demuxer_select="mpegts_demuxer"
1359mxf_d10_muxer_select="mxf_muxer"
24ca518b 1360ogg_demuxer_select="golomb"
647c2356 1361psp_muxer_select="mov_muxer"
4e622dea 1362rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1363rtsp_muxer_deps="sdp_demuxer"
1364rtsp_muxer_select="rtp_muxer"
4e622dea 1365sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
f1e94694 1366spdif_muxer_select="aac_parser"
647c2356
DB
1367tg2_muxer_select="mov_muxer"
1368tgp_muxer_select="mov_muxer"
6bdaa5f4 1369w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1370
1371# indevs / outdevs
38e54a75
SS
1372alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1373alsa_indev_extralibs="-lasound"
1374alsa_outdev_deps="alsa_asoundlib_h"
1375alsa_outdev_extralibs="-lasound"
1376audio_beos_indev_deps="audio_beos"
1377audio_beos_indev_extralibs="-lmedia -lbe"
1378audio_beos_outdev_deps="audio_beos"
1379audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1380bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1381dv1394_indev_deps="dv1394 dv_demuxer"
1382jack_indev_deps="jack_jack_h"
1383jack_indev_extralibs="-ljack"
1384libdc1394_indev_deps="libdc1394"
38e54a75
SS
1385oss_indev_deps_any="soundcard_h sys_soundcard_h"
1386oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1387v4l_indev_deps="linux_videodev_h"
1388v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1389vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1390vfwcap_indev_extralibs="-lavicap32"
38e54a75 1391x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1392x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1393
912f3148 1394# protocols
3fff6382 1395gopher_protocol_deps="network"
c08fb000 1396http_protocol_deps="network"
cbf29889 1397rtmp_protocol_deps="tcp_protocol"
c08fb000
AB
1398rtp_protocol_deps="udp_protocol"
1399tcp_protocol_deps="network"
1400udp_protocol_deps="network"
1401
f7679c54 1402# filters
81124ba0 1403movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1404avfilter_lavf_deps="avformat"
1405
1406# libraries
1407avdevice_deps="avcodec avformat"
1408avformat_deps="avcodec"
f7679c54 1409
912f3148 1410# programs
5a0f7131
MR
1411ffmpeg_deps="avcodec avformat swscale"
1412ffplay_deps="avcodec avformat swscale sdl"
43689902 1413ffplay_select="rdft"
336ce917 1414ffprobe_deps="avcodec avformat"
5a0f7131 1415ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1416ffserver_extralibs='$ldl'
a2830dca 1417
c73f65d9 1418doc_deps="texi2html"
912f3148 1419
de6d9b64 1420# default parameters
8a608357 1421
2ba042a7 1422logfile="config.err"
8a608357
MR
1423
1424# installation paths
c9d19248
MR
1425prefix_default="/usr/local"
1426bindir_default='${prefix}/bin'
14a8acf1 1427datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1428incdir_default='${prefix}/include'
1429libdir_default='${prefix}/lib'
1430mandir_default='${prefix}/share/man'
1431shlibdir_default="$libdir_default"
8a608357
MR
1432
1433# toolchain
11e6d03a 1434ar="ar"
13c7df3d 1435cc_default="gcc"
a3d7c197 1436cc_version=\"unknown\"
9da6609f 1437host_cc_default="gcc"
11e6d03a 1438ln_s="ln -sf"
89641463 1439nm_default="nm"
11e6d03a 1440objformat="elf"
be7109c1 1441ranlib="ranlib"
4f837398 1442strip_default="strip"
11e6d03a 1443yasmexe="yasm"
8a608357 1444
8182dc34
MR
1445nm_opts='-g'
1446
8a608357 1447# machine
8d4c00ed 1448arch_default=$(uname -m)
38d0a8aa 1449cpu="generic"
8a608357 1450
8a608357 1451# OS
8d4c00ed
MR
1452target_os_default=$(tolower $(uname -s))
1453host_os=$target_os_default
8a608357 1454
8a608357 1455# configurable options
5a0f7131
MR
1456enable avcodec
1457enable avdevice
1458enable avformat
dc4f5a1c 1459enable avutil
c8a4ae00 1460enable asm
497237c7 1461enable debug
c73f65d9 1462enable doc
aa033b1e 1463enable fastdiv
497237c7
RP
1464enable ffmpeg
1465enable ffplay
336ce917 1466enable ffprobe
497237c7 1467enable ffserver
497237c7
RP
1468enable mpegaudio_hp
1469enable network
8400d6b8 1470enable optimizations
497237c7 1471enable protocols
530dc538 1472enable static
87a0fb62 1473enable stripping
5a0f7131 1474enable swscale
a9ddb5b1 1475enable swscale_alpha
8a608357 1476
8a608357 1477# build settings
9987769a 1478SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1479FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1480LIBPREF="lib"
1481LIBSUF=".a"
c5f14466
RP
1482FULLNAME='$(NAME)$(BUILDSUF)'
1483LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1484SLIBPREF="lib"
1485SLIBSUF=".so"
c5f14466 1486SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1487SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1488SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1489LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1490
7e6c86e6
MR
1491CC_O='-o $@'
1492
f0125de9 1493host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1494host_libs='-lm'
1495
9b861379 1496target_path='$(CURDIR)'
a7ada2ba 1497
0d7dca36
DB
1498# gcc stupidly only outputs the basename of targets with -MM, but we need the
1499# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1500DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1501DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1502
c597172e 1503# find source path
5e622c40 1504source_path="$(dirname "$0")"
497237c7 1505enable source_path_used
24524f36 1506if test -f configure; then
5e622c40 1507 source_path="$(pwd)"
497237c7 1508 disable source_path_used
c597172e 1509else
5e622c40 1510 source_path="$(cd "$source_path"; pwd)"
c597172e 1511 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1512 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1513 test -e "$source_path/config.h" &&
1514 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1515fi
1516
13cbe2c0 1517for v in "$@"; do
b04251c5
MR
1518 r=${v#*=}
1519 l=${v%"$r"}
1520 r=$(sh_quote "$r")
13cbe2c0
MR
1521 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1522done
c597172e 1523
73ef8980
MR
1524find_things(){
1525 thing=$1
1526 pattern=$2
1527 file=$source_path/$3
932ccf39 1528 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1529}
1530
1531ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1532DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1533HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1534PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1535BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1536MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1537DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1538OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1539INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1540PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1541FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1542
7483e694
DB
1543enable $ARCH_EXT_LIST \
1544 $DECODER_LIST \
1545 $ENCODER_LIST \
5666fd73 1546 $HWACCEL_LIST \
7483e694
DB
1547 $PARSER_LIST \
1548 $BSF_LIST \
1549 $DEMUXER_LIST \
1550 $MUXER_LIST \
f7679c54 1551 $FILTER_LIST \
7483e694
DB
1552 $PROTOCOL_LIST \
1553 $INDEV_LIST \
1554 $OUTDEV_LIST \
c597172e
MR
1555
1556die_unknown(){
1557 echo "Unknown option \"$1\"."
1558 echo "See $0 --help for available options."
1559 exit 1
1560}
1561
794f8e97 1562show_list() {
bf0c4afa
RP
1563 suffix=_$1
1564 shift
2b444ea7 1565 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1566 exit 0
1567}
1568
c597172e 1569for opt do
7483e694
DB
1570 optval="${opt#*=}"
1571 case "$opt" in
0f010b2f 1572 --extra-ldflags=*) add_ldflags $optval
7483e694 1573 ;;
0f010b2f 1574 --extra-libs=*) add_extralibs $optval
7483e694 1575 ;;
8fb1cb58 1576 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1577 ;;
40bcf4c7
BL
1578 --enable-debug=*) debuglevel="$optval"
1579 ;;
7483e694 1580 --enable-*=*|--disable-*=*)
8b93ddc3 1581 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1582 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1583 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1584 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1585 $action $(filter "$name" $list)
7483e694
DB
1586 ;;
1587 --enable-?*|--disable-?*)
5e622c40 1588 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1589 if is_in $option $COMPONENT_LIST; then
fed5d54b 1590 test $action = disable && action=unset
e3773a55
MR
1591 eval $action \$$(toupper ${option%s})_LIST
1592 elif is_in $option $CMDLINE_SELECT; then
1593 $action $option
1594 else
1595 die_unknown $opt
1596 fi
7483e694
DB
1597 ;;
1598 --list-*)
1599 NAME="${opt#--list-}"
1600 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1601 NAME=${NAME%s}
1602 eval show_list $NAME \$$(toupper $NAME)_LIST
1603 ;;
1604 --help|-h) show_help
1605 ;;
1606 *)
884a36a7 1607 optname="${opt%%=*}"
26759c44
MR
1608 optname="${optname#--}"
1609 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1610 if is_in $optname $CMDLINE_SET; then
1611 eval $optname='$optval'
1612 elif is_in $optname $CMDLINE_APPEND; then
1613 append $optname "$optval"
1614 else
1615 die_unknown $opt
1616 fi
7483e694
DB
1617 ;;
1618 esac
c597172e
MR
1619done
1620
bcea99bb
MR
1621disabled logging && logfile=/dev/null
1622
13cbe2c0 1623echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1624set >> $logfile
1625
9da6609f
MR
1626test -n "$cross_prefix" && enable cross_compile
1627
8d4c00ed
MR
1628if enabled cross_compile; then
1629 test -n "$arch" && test -n "$target_os" ||
1630 die "Must specify target arch and OS when cross-compiling"
1631fi
1632
1633set_default arch target_os
1634
adb2b908 1635ar="${cross_prefix}${ar}"
11e6d03a 1636cc_default="${cross_prefix}${cc_default}"
20e0ed95 1637nm_default="${cross_prefix}${nm_default}"
adb2b908 1638ranlib="${cross_prefix}${ranlib}"
4f837398 1639strip_default="${cross_prefix}${strip_default}"
adb2b908 1640
c5200f17
MR
1641sysinclude_default="${sysroot}/usr/include"
1642
4f837398 1643set_default cc nm strip sysinclude
9da6609f
MR
1644enabled cross_compile || host_cc_default=$cc
1645set_default host_cc
13c7df3d 1646
82bb3329
MR
1647exesuf() {
1648 case $1 in
1649 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1650 esac
1651}
1652
1653EXESUF=$(exesuf $target_os)
1654HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1655
e4e69e0b 1656# set temporary file name
a49d42c2 1657: ${TMPDIR:=$TEMPDIR}
c51fafa1 1658: ${TMPDIR:=$TMP}
a49d42c2 1659: ${TMPDIR:=/tmp}
e4e69e0b 1660
54460a83
MR
1661if ! check_cmd type mktemp; then
1662 # simple replacement for missing mktemp
1663 # NOT SAFE FOR GENERAL USE
1664 mktemp(){
1665 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1666 }
1667fi
1668
1669tmpfile(){
1670 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1671 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1672 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1673 append TMPFILES $tmp
1674 eval $1=$tmp
1675}
1676
1677trap 'rm -f -- $TMPFILES' EXIT
1678trap exit HUP INT TERM
1679
1680tmpfile TMPC .c
1681tmpfile TMPE $EXESUF
1682tmpfile TMPH .h
1683tmpfile TMPO .o
1684tmpfile TMPS .S
a482e61b 1685tmpfile TMPV .ver
54460a83
MR
1686tmpfile TMPSH .sh
1687
1688unset -f mktemp
e4e69e0b 1689
993f2d0f
MR
1690# make sure we can execute files in $TMPDIR
1691cat > $TMPSH 2>> $logfile <<EOF
1692#! /bin/sh
1693EOF
1694chmod +x $TMPSH >> $logfile 2>&1
1695if ! $TMPSH >> $logfile 2>&1; then
1696 cat <<EOF
1697Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1698variable to another directory and make sure that it is not mounted noexec.
1699EOF
1700 die "Sanity test failed."
1701fi
993f2d0f 1702
19b4c628
MR
1703filter_cflags=echo
1704filter_cppflags=echo
1705filter_asflags=echo
1706
8f0c157a 1707if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1708 cc_type=gcc
a3d7c197 1709 cc_version=__VERSION__
aef6bd1b
MR
1710 if ! $cc -dumpversion | grep -q '^2\.'; then
1711 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1712 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1713 fi
14ca9cd0
MR
1714 speed_cflags='-O3'
1715 size_cflags='-Os'
629687f6
MR
1716elif $cc --version 2>/dev/null | grep -q Intel; then
1717 cc_type=icc
6e3fa35d 1718 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1719 CC_DEPFLAGS='-MMD'
1720 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1721 speed_cflags='-O3'
1722 size_cflags='-Os'
629687f6
MR
1723elif $cc -v 2>&1 | grep -q xlc; then
1724 cc_type=xlc
6e3fa35d 1725 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1726 speed_cflags='-O5'
1727 size_cflags='-O5 -qcompact'
df442a8d
MR
1728elif $cc -V 2>/dev/null | grep -q Compaq; then
1729 cc_type=ccc
6e3fa35d 1730 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1731 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1732 debuglevel=3
df442a8d 1733 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1734 speed_cflags='-fast'
1735 size_cflags='-O1'
6a0d5493 1736elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1737 test -d "$sysroot" || die "No valid sysroot specified."
1738 cc_type=armcc
6e3fa35d 1739 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1740 armcc_conf="$PWD/armcc.conf"
1741 $cc --arm_linux_configure \
1742 --arm_linux_config_file="$armcc_conf" \
1743 --configure_sysroot="$sysroot" \
1744 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1745 die "Error creating armcc configuration file."
1746 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1747 as_default="${cross_prefix}gcc"
07dec06e
MR
1748 CC_DEPFLAGS='-MMD'
1749 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1750 speed_cflags='-O3'
1751 size_cflags='-Os'
6fec122a
MR
1752elif $cc -version 2>/dev/null | grep -q TMS470; then
1753 cc_type=tms470
6e3fa35d 1754 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1755 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1756 CC_O='-fr=$(@D)'
1757 as_default="${cross_prefix}gcc"
1758 ld_default="${cross_prefix}gcc"
6fec122a
MR
1759 TMPO=$(basename $TMPC .c).o
1760 append TMPFILES $TMPO
1761 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1762 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1763 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1764 speed_cflags='-O3 -mf=5'
1765 size_cflags='-O3 -mf=2'
6fec122a
MR
1766 filter_cflags=tms470_flags
1767 tms470_flags(){
1768 for flag; do
1769 case $flag in
1770 -march=*|-mcpu=*)
1771 case "${flag#*=}" in
1772 armv7-a|cortex-a*) echo -mv=7a8 ;;
1773 armv7-r|cortex-r*) echo -mv=7r4 ;;
1774 armv7-m|cortex-m*) echo -mv=7m3 ;;
1775 armv6*|arm11*) echo -mv=6 ;;
1776 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1777 echo -mv=5e ;;
1778 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1779 esac
1780 ;;
1781 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1782 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1783 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1784 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1785 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1786 -g) echo -g -mn ;;
587d24ff 1787 -pds=*) echo $flag ;;
6fec122a
MR
1788 esac
1789 done
1790 }
06da6943
DC
1791elif $cc -v 2>&1 | grep -q clang; then
1792 cc_type=clang
1793 cc_version=__VERSION__
1794 CC_DEPFLAGS='-MMD'
1795 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1796 speed_cflags='-O3'
1797 size_cflags='-Os'
2a472e9c
MK
1798elif $cc -V 2>&1 | grep -q Sun; then
1799 cc_type=suncc
1800 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1801 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1802 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1803 speed_cflags='-O5'
1804 size_cflags='-O5 -xspace'
03279bbe
MK
1805 filter_cflags=suncc_flags
1806 suncc_flags(){
1807 for flag; do
1808 case $flag in
1809 -march=*|-mcpu=*)
1810 case "${flag#*=}" in
1811 native) echo -xtarget=native ;;
1812 v9) echo -xarch=sparc ;;
1813 ultrasparc) echo -xarch=sparcvis ;;
1814 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1815 i586|pentium) echo -xchip=pentium ;;
1816 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1817 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1818 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1819 pentium4*) echo -xtarget=pentium4 ;;
1820 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1821 *-sse3) echo -xarch=sse3 ;;
1822 core2) echo -xarch=ssse3 -xchip=core2 ;;
1823 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1824 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1825 k8|opteron|athlon64|athlon-fx)
1826 echo -xarch=sse2a ;;
1827 athlon*) echo -xarch=pentium_proa ;;
1828 esac
1829 ;;
1830 -std=c99) echo -xc99 ;;
1831 -fomit-frame-pointer) echo -xregs=frameptr ;;
1832 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1833 -W*,*) echo $flag ;;
1834 -f*-*|-W*) ;;
1835 *) echo $flag ;;
1836 esac
1837 done
1838 }
629687f6
MR
1839fi
1840
1841test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1842
75bafbac 1843: ${as_default:=$cc}
50567afa 1844: ${dep_cc_default:=$cc}
684b28e0 1845: ${ld_default:=$cc}
50567afa 1846set_default as dep_cc ld
75800dce 1847
07dec06e
MR
1848test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1849test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1850
7f32f40c 1851add_cflags $extra_cflags
2f2e6c7c 1852add_asflags $extra_cflags
7f32f40c 1853
154d432c
MR
1854if test -n "$sysroot"; then
1855 case "$cc_type" in
1856 gcc)
467256f2 1857 add_cppflags --sysroot="$sysroot"
154d432c
MR
1858 add_ldflags --sysroot="$sysroot"
1859 ;;
6fec122a
MR
1860 tms470)
1861 add_cppflags -I"$sysinclude"
1862 add_ldflags --sysroot="$sysroot"
1863 ;;
06da6943
DC
1864 clang)
1865 add_cppflags -isysroot="$sysroot"
1866 add_ldflags -isysroot="$sysroot"
1867 ;;
154d432c
MR
1868 esac
1869fi
1870
d22c13a8
MR
1871if test "$cpu" = host; then
1872 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1873
1874 case "$cc_type" in
1875 gcc)
1876 check_native(){
1877 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1878 sed -n "/$1=/{
1879 s/.*$1=\\([^ ]*\\).*/\\1/
1880 p
1881 q
1882 }" $TMPE
d22c13a8
MR
1883 }
1884 cpu=$(check_native -march || check_native -mcpu)
1885 ;;
1886 esac
1887
1888 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1889fi
1890
e939cedd
MR
1891# Deal with common $arch aliases
1892case "$arch" in
1893 arm*)
1894 arch="arm"
1895 ;;
1896 mips|mipsel|IP*)
1897 arch="mips"
1898 ;;
1899 mips64)
1900 arch="mips"
1901 subarch="mips64"
1902 ;;
1903 parisc|hppa)
1904 arch="parisc"
1905 ;;
1906 parisc64|hppa64)
1907 arch="parisc"
1908 subarch="parisc64"
1909 ;;
1910 "Power Macintosh"|ppc|powerpc)
1911 arch="ppc"
1912 ;;
1913 ppc64)
1914 arch="ppc"
1915 subarch="ppc64"
1916 ;;
1917 s390|s390x)
1918 arch="s390"
1919 ;;
1920 sh4|sh)
1921 arch="sh4"
1922 ;;
1923 sun4u|sparc64)
1924 arch="sparc"
1925 subarch="sparc64"
1926 ;;
1927 i[3-6]86|i86pc|BePC|x86_64|amd64)
1928 arch="x86"
1929 ;;
1930esac
1931
1932is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1933enable $arch
e939cedd 1934
df5cdc24 1935# Add processor-specific flags
5d54c126
MR
1936if test "$cpu" = generic; then
1937 : do nothing
1938elif enabled ppc; then
343aef9b 1939
56348891
MR
1940 case $(tolower $cpu) in
1941 601|ppc601|powerpc601)
9dbd5c3d 1942 cpuflags="-mcpu=601"
64ad53ff 1943 disable altivec
9dbd5c3d 1944 ;;
56348891 1945 603*|ppc603*|powerpc603*)
9dbd5c3d 1946 cpuflags="-mcpu=603"
64ad53ff 1947 disable altivec
9dbd5c3d 1948 ;;
56348891 1949 604*|ppc604*|powerpc604*)
9dbd5c3d 1950 cpuflags="-mcpu=604"
64ad53ff 1951 disable altivec
9dbd5c3d 1952 ;;
56348891 1953 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1954 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1955 disable altivec
9dbd5c3d 1956 ;;
56348891 1957 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1958 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1959 ;;
56348891 1960 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1961 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1962 ;;
56348891 1963 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1964 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1965 ;;
56348891 1966 cell)
9dbd5c3d
MR
1967 cpuflags="-mcpu=cell"
1968 enable ldbrx
1969 ;;
7b0b81a1
AL
1970 e500v2)
1971 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1972 disable altivec
1973 ;;
1974 e500)
1975 cpuflags="-mcpu=8540 -mhard-float"
1976 disable altivec
1977 ;;
9dbd5c3d 1978 esac
343aef9b
MR
1979
1980elif enabled x86; then
1981
9dbd5c3d
MR
1982 case $cpu in
1983 i[345]86|pentium)
1984 cpuflags="-march=$cpu"
1985 disable mmx
1986 ;;
1987 # targets that do NOT support conditional mov (cmov)
1988 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1989 cpuflags="-march=$cpu"
1990 disable cmov
1991 ;;
1992 # targets that do support conditional mov (cmov)
1993 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1994 cpuflags="-march=$cpu"
1995 enable cmov
1996 enable fast_cmov
1997 ;;
1998 # targets that do support conditional mov but on which it's slow
1999 pentium4|pentium4m|prescott|nocona)
2000 cpuflags="-march=$cpu"
2001 enable cmov
2002 disable fast_cmov
2003 ;;
2004 esac
343aef9b
MR
2005
2006elif enabled sparc; then
2007
9dbd5c3d
MR
2008 case $cpu in
2009 sparc64)
2010 cpuflags="-mcpu=v9"
2011 ;;
2012 esac
343aef9b
MR
2013
2014elif enabled arm; then
2015
34ba23c9
MR
2016 case $cpu in
2017 armv*)
2018 cpuflags="-march=$cpu"
2019 ;;
2020 *)
2021 cpuflags="-mcpu=$cpu"
2022 ;;
2023 esac
343aef9b
MR
2024
2025elif enabled alpha; then
2026
34ba23c9 2027 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2028
2029elif enabled bfin; then
2030
34ba23c9 2031 cpuflags="-mcpu=$cpu"
343aef9b
MR
2032
2033elif enabled mips; then
2034
34ba23c9 2035 cpuflags="-march=$cpu"
343aef9b
MR
2036
2037elif enabled avr32; then
2038
9dbd5c3d
MR
2039 case $cpu in
2040 ap7[02]0[0-2])
2041 subarch="avr32_ap"
2042 cpuflags="-mpart=$cpu"
2043 ;;
2044 ap)
2045 subarch="avr32_ap"
2046 cpuflags="-march=$cpu"
2047 ;;
2048 uc3[ab]*)
2049 subarch="avr32_uc"
2050 cpuflags="-mcpu=$cpu"
2051 ;;
2052 uc)
2053 subarch="avr32_uc"
2054 cpuflags="-march=$cpu"
2055 ;;
2056 esac
df5cdc24 2057
343aef9b
MR
2058fi
2059
df5cdc24
MR
2060add_cflags $cpuflags
2061add_asflags $cpuflags
2062
993f2d0f
MR
2063# compiler sanity check
2064check_exec <<EOF
2065int main(void){ return 0; }
2066EOF
2067if test "$?" != 0; then
2068 echo "$cc is unable to create an executable file."
2069 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2070 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2071 echo "Only do this if you know what cross compiling means."
2072 fi
2073 die "C compiler test failed."
2074fi
2075
38a9c529 2076add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2077check_cflags -std=c99
50a334e4 2078check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2079#include <stdlib.h>
2080EOF
50a334e4 2081check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2082#include <stdlib.h>
2083EOF
e9b9a2f8 2084
f0125de9
MR
2085check_host_cflags -std=c99
2086
b24dbcbd 2087case "$arch" in
e939cedd 2088 alpha|ia64|mips|parisc|sparc)
8a3c8627 2089 spic=$shared
b24dbcbd 2090 ;;
e939cedd 2091 x86)
cfdb6148 2092 subarch="x86_32"
e939cedd 2093 check_cc <<EOF && subarch="x86_64"
58b3536d 2094 int test[(int)sizeof(char*) - 7];
cfdb6148 2095EOF
de27f4d9 2096 if test "$subarch" = "x86_64"; then
e939cedd 2097 spic=$shared
de27f4d9 2098 fi
b24dbcbd 2099 ;;
b24dbcbd
RP
2100esac
2101
343aef9b 2102enable $subarch
8a3c8627 2103enabled spic && enable pic
5755bc88 2104check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
b24dbcbd 2105
7483e694 2106# OS specific
4f854758 2107case $target_os in
7483e694 2108 beos|haiku|zeta)
c9d19248 2109 prefix_default="$HOME/config"
7483e694 2110 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 2111 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
2112 case "$gcc_version" in
2113 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2114 disable mmx
2115 ;;
2116 *20010315*) echo "BeBits gcc"
0f010b2f 2117 add_cflags -fno-expensive-optimizations
7483e694
DB
2118 ;;
2119 esac
7483e694
DB
2120 SHFLAGS=-nostart
2121 # enable BeOS things
2122 enable audio_beos
2123 # no need for libm, but the inet stuff
2124 # Check for BONE
2125 # XXX: actually should check for NOT net_server
78fe7631 2126 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
2127 network_extralibs="-lbind -lsocket"
2128 else
2129 enable beos_netserver
2130 network_extralibs="-lnet"
2131 fi ;;
2132 sunos)
2133 FFSERVERLDFLAGS=""
9987769a 2134 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2135 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2136 network_extralibs="-lsocket -lnsl"
50a334e4 2137 add_cppflags -D__EXTENSIONS__
8182dc34 2138 nm_opts='-P -g'
7483e694
DB
2139 ;;
2140 netbsd)
07a8eef6
MR
2141 oss_indev_extralibs="-lossaudio"
2142 oss_outdev_extralibs="-lossaudio"
7483e694
DB
2143 ;;
2144 openbsd)
89e053f8 2145 enable malloc_aligned
7c4a001a
MR
2146 # On OpenBSD 4.5. the compiler does not use PIC unless
2147 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2148 # however the generated executable will not do anything
2149 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2150 # Thus explicitly enable PIC here.
cd78208b 2151 enable pic
7483e694 2152 SHFLAGS='-shared'
07a8eef6
MR
2153 oss_indev_extralibs="-lossaudio"
2154 oss_outdev_extralibs="-lossaudio"
7483e694 2155 ;;
90b4f091 2156 freebsd|dragonfly)
89e053f8 2157 enable malloc_aligned
7483e694
DB
2158 ;;
2159 bsd/os)
2160 osextralibs="-lpoll -lgnugetopt"
2161 strip="strip -d"
2162 ;;
2163 darwin)
89e053f8 2164 enable malloc_aligned
0138c54e 2165 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2166 strip="strip -x"
2167 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2168 SLIBSUF=".dylib"
2169 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2170 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2171 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2172 objformat="macho"
1b0f6fb8 2173 enabled x86_64 && objformat="macho64"
8dfa86f7 2174 enabled_any pic shared ||
2704bd1a 2175 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2176 ;;
2177 mingw32*)
9d3f4f50 2178 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2179 disable network
2180 else
2181 target_os=mingw32
2182 fi
dcc01c06 2183 LIBTARGET=i386
1fc9fb8a 2184 if enabled x86_64; then
89e053f8 2185 enable malloc_aligned
dcc01c06 2186 LIBTARGET=x64
336cc1b0
MS
2187 elif enabled arm; then
2188 LIBTARGET=arm
dcc01c06 2189 fi
fbd971a4 2190 shlibdir_default="$bindir_default"
7483e694
DB
2191 disable ffserver
2192 SLIBPREF=""
2193 SLIBSUF=".dll"
7483e694
DB
2194 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2195 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2196 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2197 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2198 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2199 install -d "$(LIBDIR)"; \
2200 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2201 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2202 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2203 objformat="win32"
bc574408 2204 enable dos_paths
1894e741 2205 check_cflags -fno-common
b1549d61 2206 if ! enabled x86_64; then
f7ad5aa2
RP
2207 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2208 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2209 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2210 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2211 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2212 fi
7483e694
DB
2213 ;;
2214 cygwin*)
4f854758 2215 target_os=cygwin
fbd971a4 2216 shlibdir_default="$bindir_default"
7483e694
DB
2217 SLIBPREF="cyg"
2218 SLIBSUF=".dll"
2219 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2220 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2221 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2222 objformat="win32"
bc574408 2223 enable dos_paths
1894e741 2224 check_cflags -fno-common
7483e694 2225 ;;
4f365f37 2226 *-dos|freedos|opendos)
fdf11906 2227 disable ffplay ffserver
4f365f37
MK
2228 disable $INDEV_LIST $OUTDEV_LIST
2229 network_extralibs="-lsocket"
ff1c015d 2230 objformat="coff"
bc574408 2231 enable dos_paths
4f365f37 2232 ;;
7483e694 2233 linux)
7483e694
DB
2234 enable dv1394
2235 ;;
2236 irix*)
4f854758 2237 target_os=irix
7483e694
DB
2238 ranlib="echo ignoring ranlib"
2239 ;;
d22e8442 2240 os/2*)
d22e8442
DY
2241 strip="lxlite"
2242 ln_s="cp -f"
d22e8442 2243 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2244 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2245 FFSERVERLDFLAGS=""
287d3b13 2246 LIBSUF="_s.a"
d22e8442
DY
2247 SLIBPREF=""
2248 SLIBSUF=".dll"
2249 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2250 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2251 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2252 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2253 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2254 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2255 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2256 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2257 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2258 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2259 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2260 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2261 enable dos_paths
d22e8442 2262 ;;
83993c1c
AM
2263 gnu/kfreebsd)
2264 ;;
34e82167 2265 gnu)
34e82167 2266 ;;
614d8911
MR
2267 none)
2268 ;;
7483e694 2269 *)
4f924f9a 2270 die "Unknown OS '$target_os'."
7483e694
DB
2271 ;;
2272esac
2273
c9d19248
MR
2274set_default $PATHS_LIST
2275
c597172e 2276add_extralibs $osextralibs
de6d9b64 2277
28d8e661
DB
2278# Combine FFLDFLAGS and the LDFLAGS environment variable.
2279LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2280
320d060a 2281# we need to build at least one lib type
93b3c083 2282if ! enabled_any static shared; then
320d060a
DB
2283 cat <<EOF
2284At least one library type must be built.
2285Specify --enable-static to build the static libraries or --enable-shared to
2286build the shared libraries as well. To only build the shared libraries specify
2287--disable-static in addition to --enable-shared.
2288EOF
2289 exit 1;
2290fi
2291
abc4e572 2292disabled static && LIBNAME=""
2a320695 2293
a2234ceb
RP
2294if enabled_any libfaad libfaadbin ; then
2295 if check_header faad.h; then
295b8c70 2296 check_cc <<EOF
a2234ceb
RP
2297#include <faad.h>
2298#ifndef FAAD2_VERSION
2299ok faad1
2300#endif
db817cf3 2301int main(void) { return 0; }
a2234ceb
RP
2302EOF
2303 test $? = 0 && enable libfaad2
2304 else
ff3dac65 2305 die "FAAD test failed."
a2234ceb
RP
2306 fi
2307fi
2308
2309
2184c6f7 2310die_license_disabled() {
4c27207c 2311 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2312}
2313
2314die_license_disabled gpl libfaad2
2315die_license_disabled gpl libx264
2316die_license_disabled gpl libxvid
2317die_license_disabled gpl postproc
2318die_license_disabled gpl x11grab
2319
2f7ae63b 2320die_license_disabled nonfree libfaac
b2e3c528 2321
0b175caa
DB
2322die_license_disabled version3 libopencore_amrnb
2323die_license_disabled version3 libopencore_amrwb
2324
9cad0e4e 2325enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2326
9eeed841 2327check_deps $ARCH_EXT_LIST
0f3cb305 2328
40617a6d 2329disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2330
e276d9e8
MR
2331enable_pic() {
2332 enable pic
bce7b696
MR
2333 add_cppflags -DPIC
2334 add_cflags -fPIC
2335 add_asflags -fPIC
e276d9e8
MR
2336}
2337
2338enabled pic && enable_pic
bce7b696 2339
b4d96ba2
MR
2340check_cc <<EOF || die "Symbol mangling check failed."
2341int ff_extern;
2342EOF
8182dc34 2343sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2344extern_prefix=${sym%%ff_extern*}
2345
f65883c8
MR
2346check_cc <<EOF && enable inline_asm
2347void foo(void) { __asm__ volatile ("" ::); }
2348EOF
61d251db 2349
df5e3978
MR
2350_restrict=
2351for restrict_keyword in restrict __restrict__ __restrict; do
2352 check_cc <<EOF && _restrict=$restrict_keyword && break
2353void foo(char * $restrict_keyword p);
2354EOF
2355done
2356
2357check_cc <<EOF && enable attribute_packed
2358struct { int x; } __attribute__((packed)) x;
2359EOF
2360
dffb41b9
MR
2361check_cc <<EOF && enable attribute_may_alias
2362union { int x; } __attribute__((may_alias)) x;
2363EOF
2364
df5e3978
MR
2365check_cc <<EOF || die "endian test failed"
2366unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2367EOF
48fc536a 2368od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2369
e939cedd
MR
2370if enabled alpha; then
2371
2372 check_cflags -mieee
2373
2374elif enabled arm; then
e45391bb 2375
50fa82e6
MR
2376 check_cflags -marm
2377
fa0912fe
MR
2378 check_ld <<EOF && enable vfp_args
2379__asm__ (".eabi_attribute 28, 1");
2380int main(void) { return 0; }
2381EOF
2382
2383 # We have to check if pld is a nop and disable it.
2384 check_asm pld '"pld [r0]"'
2385
2386 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2387 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2388 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2389 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2390 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2391 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2392
e276d9e8
MR
2393 enabled_all armv6t2 shared !pic && enable_pic
2394
e939cedd
MR
2395elif enabled ia64; then
2396
2397 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2398 enabled shared && enable_weak hardcoded_tables
2399
fa0912fe 2400elif enabled mips; then
e45391bb 2401
fa0912fe
MR
2402 check_asm loongson '"dmult.g $1, $2, $3"'
2403 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2404
fa0912fe 2405elif enabled ppc; then
e45391bb 2406
e6a0c354
MR
2407 enable local_aligned_8 local_aligned_16
2408
fa0912fe
MR
2409 check_asm dcbzl '"dcbzl 0, 1"'
2410 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2411 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2412
2413 # AltiVec flags: The FSF version of GCC differs from the Apple version
2414 if enabled altivec; then
2415 check_cflags -maltivec -mabi=altivec &&
2416 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2417 check_cflags -faltivec
2418
2419 # check if our compiler supports Motorola AltiVec C API
2420 check_cc <<EOF || disable altivec
2421$inc_altivec_h
2422int main(void) {
2423 vector signed int v1, v2, v3;
2424 v1 = vec_add(v2,v3);
2425 return 0;
2426}
2427EOF
2428
2429 # check if our compiler supports braces for vector declarations
2430 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2431$inc_altivec_h
2432int main (void) { (vector int) {1}; return 0; }
2433EOF
2434 fi
e45391bb 2435
fa0912fe 2436elif enabled sparc; then
e45391bb 2437
fa0912fe
MR
2438 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2439 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2440
fa0912fe 2441elif enabled x86; then
e45391bb 2442
e6a0c354
MR
2443 enable local_aligned_8 local_aligned_16
2444
44965991
PI
2445 # check whether EBP is available on x86
2446 # As 'i' is stored on the stack, this program will crash
2447 # if the base pointer is used to access it because the
2448 # base pointer is cleared in the inline assembly code.
7dfef245 2449 check_exec_crash <<EOF && enable ebp_available
44965991 2450 volatile int i=0;
be449fca 2451 __asm__ volatile (
44965991
PI
2452 "xorl %%ebp, %%ebp"
2453 ::: "%ebp");
2454 return i;
44965991
PI
2455EOF
2456
f494213c 2457 # check whether EBX is available on x86
7cee5421
MR
2458 check_asm ebx_available '""::"b"(0)' &&
2459 check_asm ebx_available '"":::"%ebx"'
8e380710 2460
d3a4b4e0
DB
2461 # check whether more than 10 operands are supported
2462 check_cc <<EOF && enable ten_operands
2463int main(void) {
2464 int x=0;
2465 __asm__ volatile(
2466 ""
2467 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2468 );
2469 return 0;
2470}
2471EOF
2472
d7f0920b 2473 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2474 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2475 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2476
2477 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2478
d52481b9 2479 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2480 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2481 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2482 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2483 case "$objformat" in
2484 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2485 esac
7595a5e4 2486 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2487
669b5583
MR
2488 case "$cpu" in
2489 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2490 disable fast_clz
2491 ;;
2492 esac
2493
44965991
PI
2494fi
2495
a98bb16d
RP
2496if check_func dlopen; then
2497 ldl=
2498elif check_func dlopen -ldl; then
2499 ldl=-ldl
8bf5d58f
MN
2500fi
2501
75ecf149
DB
2502# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2503check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2504
7483e694 2505check_func fork
84882df6 2506check_func getaddrinfo $network_extralibs
7483e694
DB
2507check_func gethrtime
2508check_func getrusage
fc5607f8 2509check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2510check_func inet_aton $network_extralibs
abfc8d05 2511check_func isatty
4ae40685 2512check_func ${malloc_prefix}memalign && enable memalign
7483e694 2513check_func mkstemp
4ae40685 2514check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2515check_func setrlimit
b507ebd1 2516check_func_headers io.h setmode
e4673692 2517check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2518check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2519check_func_headers windows.h GetProcessTimes
7c5bfe7a 2520check_func_headers windows.h VirtualAlloc
6ffa87d3 2521
e16e49ac 2522check_header conio.h
a98bb16d 2523check_header dlfcn.h
92c6a099 2524check_header dxva2api.h
a98bb16d 2525check_header malloc.h
bf6ce82d 2526check_header poll.h
b58412f1 2527check_header sys/mman.h
b091aa44 2528check_header sys/resource.h
bf6ce82d 2529check_header sys/select.h
a98bb16d 2530check_header termios.h
272081b0
CEH
2531check_header vdpau/vdpau.h
2532check_header vdpau/vdpau_x11.h
68178ca9 2533check_header X11/extensions/XvMClib.h
a98bb16d 2534
9104cd51
RP
2535check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2536
89e053f8
MR
2537if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2538 enabled_any $need_memalign ; then
1f91cdce 2539 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2540fi
e16e49ac 2541
a4fa192c 2542disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2543disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2544
2545# check for some common methods of building with pthread support
2546# do this before the optional library checks as some of them require pthreads
2547if enabled pthreads; then
9e7fd101
MR
2548 if check_func pthread_create; then
2549 :
2550 elif check_func pthread_create -pthread; then
2551 add_cflags -pthread
afc9aee2 2552 add_extralibs -pthread
9e7fd101
MR
2553 elif check_func pthread_create -pthreads; then
2554 add_cflags -pthreads
afc9aee2 2555 add_extralibs -pthreads
8d94f606
GT
2556 elif check_func pthread_create -lpthreadGC2; then
2557 add_extralibs -lpthreadGC2
9e7fd101
MR
2558 elif ! check_lib pthread.h pthread_create -lpthread; then
2559 die "ERROR: can't find pthreads library"
2560 fi
57bd82d4
MR
2561fi
2562
8eee7025 2563for thread in $THREADS_LIST; do
e5f94c2b 2564 if enabled $thread; then
3ae3b721
RP
2565 test -n "$thread_type" &&
2566 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2567 thread_type="$thread"
e5f94c2b
RP
2568 fi
2569done
2570
fdf88598 2571check_lib math.h sin -lm
ff418735 2572check_lib va/va.h vaInitialize -lva
fdf88598 2573
645d2652
MR
2574check_mathfunc exp2
2575check_mathfunc exp2f
2576check_mathfunc llrint
2577check_mathfunc log2
2578check_mathfunc log2f
2579check_mathfunc lrint
2580check_mathfunc lrintf
2581check_mathfunc round
2582check_mathfunc roundf
2583check_mathfunc truncf
f32adb22 2584
57bd82d4 2585# these are off by default, so fail if requested and not available
a1b3c5a3 2586enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2587enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2588 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2589 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2590enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2591enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
5af41508 2592enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2593enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2594enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2595enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2596enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2597enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2598enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2599 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2600enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2601enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2602enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
e69bb386 2603enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
76d81909
JGG
2604 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2605 die "ERROR: libx264 version must be >= 0.83."; }
2bfecf73 2606enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2607enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2608
0b4a1821
AS
2609# libdc1394 check
2610if enabled libdc1394; then
2611 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2612 enable libdc1394_2; } ||
2613 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2614 enable libdc1394_1; } ||
2615 die "ERROR: No version of libdc1394 found "
2616fi
2617
6a1a892f 2618SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2619if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2620 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2621 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2622 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2623 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2624 enable sdl &&
2625 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2626fi
57bd82d4 2627
2270b4b2 2628texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2629
73b46a95 2630if enabled network; then
96000432 2631 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2632 check_type netdb.h "struct addrinfo"
b4d68544
MS
2633 check_type netinet/in.h "struct ipv6_mreq"
2634 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2635 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2636 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2637 # Prefer arpa/inet.h over winsock2
2638 if check_header arpa/inet.h ; then
2639 check_func closesocket
2640 elif check_header winsock2.h ; then
f4c13872
MS
2641 check_func_headers winsock2.h closesocket -lws2 && \
2642 network_extralibs="-lws2" || \
2643 { check_func_headers winsock2.h closesocket -lws2_32 && \
2644 network_extralibs="-lws2_32"; }
72be9e73 2645 check_type ws2tcpip.h socklen_t
c0018613 2646 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2647 check_type ws2tcpip.h "struct ipv6_mreq"
2648 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2649 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2650 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2651 else
2652 disable network
73b46a95
RP
2653 fi
2654fi
2655
06e31011
RP
2656check_header linux/videodev.h
2657check_header linux/videodev2.h
1b6e8b73 2658check_header sys/videoio.h
47f38850 2659
27796dc3 2660check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2661
f8aa696f 2662# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2663{ check_header dev/bktr/ioctl_meteor.h &&
2664 check_header dev/bktr/ioctl_bt848.h; } ||
2665{ check_header machine/ioctl_meteor.h &&
2666 check_header machine/ioctl_bt848.h; } ||
2667{ check_header dev/video/meteor/ioctl_meteor.h &&
2668 check_header dev/video/bktr/ioctl_bt848.h; } ||
2669check_header dev/ic/bt8xx.h
f8aa696f 2670
c7682de0
RP
2671check_header sys/soundcard.h
2672check_header soundcard.h
deb29777 2673
b6f3d925 2674enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2675
0e57fe17 2676enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2677
56a059ac 2678enabled x11grab &&
f58f4ce1
GP
2679check_header X11/Xlib.h &&
2680check_header X11/extensions/XShm.h &&
0a045661 2681check_header X11/extensions/Xfixes.h &&
f58f4ce1 2682check_func XOpenDisplay -lX11 &&
781c1aa6
R
2683check_func XShmCreateImage -lX11 -lXext &&
2684check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2685
598ef02b 2686if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2687check_cpp_condition \
2688 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2689 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2690 disable vdpau; }
abf649c7 2691fi
deda2a4a 2692
95e561ec 2693enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2694
2695# add some useful compiler flags if supported
2696check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2697check_cflags -Wall
2698check_cflags -Wno-switch
c07bd6a9
MN
2699check_cflags -Wdisabled-optimization
2700check_cflags -Wpointer-arith
2701check_cflags -Wredundant-decls
cc1fb623 2702check_cflags -Wno-pointer-sign
f4929996 2703check_cflags -Wcast-qual
9aceb3cf 2704check_cflags -Wwrite-strings
652a5bf6 2705check_cflags -Wtype-limits
764551c6 2706check_cflags -Wundef
fc298fd9 2707check_cflags -Wmissing-prototypes
5af4e0cc 2708enabled extra_warnings && check_cflags -Winline
cf9d24ad 2709
57bd82d4 2710# add some linker flags
5c0e9479 2711check_ldflags -Wl,--warn-common
8351d2ba
DB
2712check_ldflags -Wl,--as-needed
2713check_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 2714check_ldflags -Wl,-Bsymbolic
94a3401e 2715
a482e61b
MR
2716echo "X{};" > $TMPV
2717test_ldflags -Wl,--version-script,$TMPV &&
2718 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2719
bd2216e4 2720if enabled small; then
14ca9cd0 2721 add_cflags $size_cflags
8400d6b8
DB
2722 optimizations="small"
2723elif enabled optimizations; then
14ca9cd0 2724 add_cflags $speed_cflags
cddf3f45 2725fi
11fdbc44 2726check_cflags -fno-math-errno
b2eb2ff0 2727check_cflags -fno-signed-zeros
cddf3f45 2728
629687f6 2729if enabled icc; then
b1598b58
MR
2730 # Just warnings, no remarks
2731 check_cflags -w1
2732 # -wd: Disable following warnings
2733 # 144, 167, 556: -Wno-pointer-sign
2734 # 10006: ignoring unknown option -fno-signed-zeros
2735 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2736 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2737 # 11030: Warning unknown option --as-needed
2738 # 10156: ignoring option '-export'; no argument required
2739 check_ldflags -wd10156,11030
2740 # Allow to compile with optimizations
2741 check_ldflags -march=$cpu
be2cf98a
CEH
2742 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2743 enable ebp_available
df442a8d
MR
2744elif enabled ccc; then
2745 # disable some annoying warnings
2746 add_cflags -msg_disable cvtu32to64
2747 add_cflags -msg_disable embedcomment
2748 add_cflags -msg_disable needconstext
2749 add_cflags -msg_disable nomainieee
2750 add_cflags -msg_disable ptrmismatch1
2751 add_cflags -msg_disable unreachcode
973859f5
MR
2752elif enabled gcc; then
2753 check_cflags -fno-tree-vectorize
06da6943
DC
2754elif enabled clang; then
2755 check_cflags -Qunused-arguments
138132be
MR
2756elif enabled armcc; then
2757 # 2523: use of inline assembler is deprecated
2758 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2759 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2760elif enabled tms470; then
2761 add_cflags -pds=824 -pds=837
504a64b9
CEH
2762fi
2763
90be59ef 2764if enabled gprof; then
0f010b2f
DB
2765 add_cflags -p
2766 add_ldflags -p
1db54e20
DB
2767fi
2768
7f3c02fc 2769# Find out if the .align argument is a power of two or not.
9377b6ce 2770check_asm asmalign_pot '".align 3"'
4454dc1b 2771
7483e694
DB
2772enabled_any $DECODER_LIST && enable decoders
2773enabled_any $ENCODER_LIST && enable encoders
5666fd73 2774enabled_any $HWACCEL_LIST && enable hwaccels
7483e694
DB
2775enabled_any $BSF_LIST && enable bsfs
2776enabled_any $DEMUXER_LIST && enable demuxers
2777enabled_any $MUXER_LIST && enable muxers
f7679c54 2778enabled_any $FILTER_LIST && enable filters
63d72fda
DB
2779enabled_any $INDEV_LIST && enable indevs
2780enabled_any $OUTDEV_LIST && enable outdevs
7483e694
DB
2781enabled_any $PROTOCOL_LIST && enable protocols
2782
2783enabled_any $THREADS_LIST && enable threads
2784
2785check_deps $CONFIG_LIST \
b6bb00b0 2786 $CONFIG_EXTRA \
7483e694
DB
2787 $HAVE_LIST \
2788 $DECODER_LIST \
2789 $ENCODER_LIST \
5666fd73 2790 $HWACCEL_LIST \
7483e694
DB
2791 $PARSER_LIST \
2792 $BSF_LIST \
2793 $DEMUXER_LIST \
2794 $MUXER_LIST \
f7679c54 2795 $FILTER_LIST \
7483e694
DB
2796 $INDEV_LIST \
2797 $OUTDEV_LIST \
2798 $PROTOCOL_LIST \
f70f03f6 2799
c8a4ae00
MR
2800enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2801
3e89171a 2802echo "install prefix $prefix"
f36958f8
DB
2803echo "source path $source_path"
2804echo "C compiler $cc"
bfd5afd8 2805echo ".align is power-of-two $asmalign_pot"
f36958f8 2806echo "ARCH $arch ($cpu)"
ce8871c2
MR
2807if test "$build_suffix" != ""; then
2808 echo "build suffix $build_suffix"
eb94aca9 2809fi
ac63af34
DB
2810if test "$extra_version" != ""; then
2811 echo "version string suffix $extra_version"
2812fi
0db2ce77 2813echo "big-endian ${bigendian-no}"
e90f5b5a 2814echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2815if enabled x86; then
af44e8e4 2816 echo "yasm ${yasm-no}"
0db2ce77 2817 echo "MMX enabled ${mmx-no}"
30e98e62 2818 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2819 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2820 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2821 echo "SSE enabled ${sse-no}"
30e98e62 2822 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2823 echo "CMOV enabled ${cmov-no}"
2824 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2825 echo "EBX available ${ebx_available-no}"
2826 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2827 echo "10 operands supported ${ten_operands-no}"
e41e8342 2828fi
5b6c2cbd 2829if enabled arm; then
0db2ce77
MR
2830 echo "ARMv5TE enabled ${armv5te-no}"
2831 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2832 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2833 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2834 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2835 echo "NEON enabled ${neon-no}"
eba9ae3c 2836fi
5b6c2cbd 2837if enabled mips; then
0db2ce77 2838 echo "MMI enabled ${mmi-no}"
e41e8342 2839fi
5b6c2cbd 2840if enabled ppc; then
0db2ce77 2841 echo "AltiVec enabled ${altivec-no}"
30e98e62 2842 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2843 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2844 echo "performance report ${powerpc_perf-no}"
2845fi
2846if enabled sparc; then
2847 echo "VIS enabled ${vis-no}"
e41e8342 2848fi
0db2ce77
MR
2849echo "gprof enabled ${gprof-no}"
2850echo "debug symbols ${debug-no}"
87a0fb62 2851echo "strip symbols ${stripping-no}"
8400d6b8 2852echo "optimizations ${optimizations-no}"
0db2ce77
MR
2853echo "static ${static-no}"
2854echo "shared ${shared-no}"
4a24ab64 2855echo "postprocessing support ${postproc-no}"
f7679c54 2856echo "new filter support ${avfilter-no}"
81124ba0 2857echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2858echo "network support ${network-no}"
0db2ce77
MR
2859echo "threading support ${thread_type-no}"
2860echo "SDL support ${sdl-no}"
0db2ce77
MR
2861echo "Sun medialib support ${mlib-no}"
2862echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2863echo "libdc1394 support ${libdc1394-no}"
690bfceb 2864echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2865echo "libfaac enabled ${libfaac-no}"
2866echo "libfaad enabled ${libfaad-no}"
7e0871a7 2867echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2868echo "libgsm enabled ${libgsm-no}"
2869echo "libmp3lame enabled ${libmp3lame-no}"
2870echo "libnut enabled ${libnut-no}"
0b175caa
DB
2871echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2872echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2873echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2874echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2875echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2876echo "libtheora enabled ${libtheora-no}"
2877echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2878echo "libx264 enabled ${libx264-no}"
2879echo "libxvid enabled ${libxvid-no}"
0db2ce77 2880echo "zlib enabled ${zlib-no}"
f402916e 2881echo "bzlib enabled ${bzlib-no}"
2c62e737 2882echo
de6d9b64 2883
5666fd73 2884for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2885 echo "Enabled ${type}s:"
f65c9da1 2886 eval list=\$$(toupper $type)_LIST
8138b9db 2887 for part in $list; do
f65c9da1
MR
2888 enabled $part && echo ${part%_*}
2889 done | sort | pr -3 -t
2890 echo
8138b9db
RP
2891done
2892
ba7a7039 2893license="LGPL version 2.1 or later"
ba321adb 2894if enabled nonfree; then
ba7a7039 2895 license="nonfree and unredistributable"
9cad0e4e
DB
2896elif enabled gplv3; then
2897 license="GPL version 3 or later"
2898elif enabled lgplv3; then
2899 license="LGPL version 3 or later"
ba321adb 2900elif enabled gpl; then
ba7a7039 2901 license="GPL version 2 or later"
ba321adb
JK
2902fi
2903
2904echo "License: $license"
ca5323af 2905
cf1392e9
DB
2906echo "Creating config.mak and config.h..."
2907
df642790
MR
2908# build tree in object directory if source path is different from current one
2909if enabled source_path_used; then
2910 DIRS="
2911 doc
2912 libavcodec
2913 libavcodec/$arch
2914 libavdevice
2915 libavfilter
2916 libavformat
2917 libavutil
2918 libavutil/$arch
2919 libpostproc
2920 libswscale
2921 libswscale/$arch
2922 tests
2923 tools
2924 "
2925 FILES="
2926 Makefile
2927 common.mak
2928 subdir.mak
2929 doc/texi2pod.pl
2930 libavcodec/Makefile
2931 libavdevice/Makefile
2932 libavfilter/Makefile
2933 libavformat/Makefile
2934 libavutil/Makefile
2935 libpostproc/Makefile
2936 libswscale/Makefile
2937 "
2938 for dir in $DIRS ; do
2939 mkdir -p $dir
2940 done
2941 for f in $FILES ; do
2942 $ln_s "$source_path/$f" $f
2943 done
2944fi
2945
ad212cc6
MR
2946enabled stripping || strip="echo skipping strip"
2947
173c983b
MR
2948cat > config.mak <<EOF
2949# Automatically generated by configure - do not modify!
2950ifndef FFMPEG_CONFIG_MAK
2951FFMPEG_CONFIG_MAK=1
2952FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2953prefix=$prefix
2954LIBDIR=\$(DESTDIR)$libdir
2955SHLIBDIR=\$(DESTDIR)$shlibdir
2956INCDIR=\$(DESTDIR)$incdir
2957BINDIR=\$(DESTDIR)$bindir
2958DATADIR=\$(DESTDIR)$datadir
2959MANDIR=\$(DESTDIR)$mandir
2960SRC_PATH="$source_path"
2961SRC_PATH_BARE=$source_path
2962BUILD_ROOT="$PWD"
2963ARCH=$arch
2964CC=$cc
2965AS=$as
2966LD=$ld
2967DEPCC=$dep_cc
2968YASM=$yasmexe
2969AR=$ar
2970RANLIB=$ranlib
2971LN_S=$ln_s
2972STRIP=$strip
2973CPPFLAGS=$CPPFLAGS
2974CFLAGS=$CFLAGS
2975ASFLAGS=$ASFLAGS
2976CC_O=$CC_O
2977LDFLAGS=$LDFLAGS
2978FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2979SHFLAGS=$SHFLAGS
2980YASMFLAGS=$YASMFLAGS
2981BUILDSUF=$build_suffix
2982FULLNAME=$FULLNAME
2983LIBPREF=$LIBPREF
2984LIBSUF=$LIBSUF
2985LIBNAME=$LIBNAME
2986SLIBPREF=$SLIBPREF
2987SLIBSUF=$SLIBSUF
2988EXESUF=$EXESUF
2989EXTRA_VERSION=$extra_version
2990DEPFLAGS=$DEPFLAGS
2991CCDEP=$CCDEP
2992ASDEP=$ASDEP
2993CC_DEPFLAGS=$CC_DEPFLAGS
2994AS_DEPFLAGS=$AS_DEPFLAGS
2995HOSTCC=$host_cc
2996HOSTCFLAGS=$host_cflags
2997HOSTEXESUF=$HOSTEXESUF
2998HOSTLDFLAGS=$host_ldflags
2999HOSTLIBS=$host_libs
3000TARGET_EXEC=$target_exec
3001TARGET_PATH=$target_path
3002SDL_LIBS=$sdl_libs
3003SDL_CFLAGS=$sdl_cflags
3004LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3005EXTRALIBS=$extralibs
3006EOF
5a872801 3007
719c8e00
MR
3008get_version(){
3009 name=$1
3010 file=$source_path/$2
147e7692
MR
3011 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3012 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3013 lcname=$(tolower $name)
3014 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3015 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3016}
3017
147e7692
MR
3018get_version LIBSWSCALE libswscale/swscale.h
3019get_version LIBPOSTPROC libpostproc/postprocess.h
3020get_version LIBAVCODEC libavcodec/avcodec.h
3021get_version LIBAVDEVICE libavdevice/avdevice.h
3022get_version LIBAVFORMAT libavformat/avformat.h
3023get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3024get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3025
173c983b
MR
3026enabled shared && cat >> config.mak <<EOF
3027LIBTARGET=${LIBTARGET}
3028SLIBNAME=${SLIBNAME}
3029SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3030SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3031SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3032SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3033SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3034SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3035EOF
523ef551 3036
173c983b
MR
3037enabled asmalign_pot || align_shift="1 <<"
3038
3039cat > $TMPH <<EOF
3040/* Automatically generated by configure - do not modify! */
3041#ifndef FFMPEG_CONFIG_H
3042#define FFMPEG_CONFIG_H
3043#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3044#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3045#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3046#define CC_TYPE "$cc_type"
3047#define CC_VERSION $cc_version
3048#define restrict $_restrict
3049#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3050#define EXTERN_PREFIX "${extern_prefix}"
3051#define EXTERN_ASM ${extern_prefix}
3052EOF
523ef551 3053
4ae40685
MR
3054test -n "$malloc_prefix" &&
3055 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3056
523ef551
DB
3057if enabled small || disabled optimizations; then
3058 echo "#define av_always_inline" >> $TMPH
3059fi
3060
3d907e22
MR
3061print_config ARCH_ $TMPH config.mak $ARCH_LIST
3062print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3063print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3064 $CONFIG_EXTRA \
7483e694
DB
3065 $DECODER_LIST \
3066 $ENCODER_LIST \
5666fd73 3067 $HWACCEL_LIST \
7483e694
DB
3068 $PARSER_LIST \
3069 $BSF_LIST \
3070 $DEMUXER_LIST \
3071 $MUXER_LIST \
f7679c54 3072 $FILTER_LIST \
7483e694
DB
3073 $PROTOCOL_LIST \
3074 $INDEV_LIST \
3075 $OUTDEV_LIST \
8ac17293 3076
9c05103f 3077echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3078echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3079
b7860763 3080# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3081cp_if_changed $TMPH config.h
3d204385 3082
a3e02a8c
MR
3083cat > $TMPH <<EOF
3084/* Generated by ffconf */
3085#ifndef AVUTIL_AVCONFIG_H
3086#define AVUTIL_AVCONFIG_H
3087EOF
3088
3089print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3090
3091echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3092
3093cp_if_changed $TMPH libavutil/avconfig.h
3094
d0674868 3095# build pkg-config files
def4272a 3096
d0674868
DB
3097pkgconfig_generate(){
3098name=$1
b0dfd108 3099shortname=${name#lib}${build_suffix}
d0674868
DB
3100comment=$2
3101version=$3
3102libs=$4
3103requires=$5
25cd5cb3 3104cat <<EOF > $name/$name.pc
3e89171a 3105prefix=$prefix
a94e666c 3106exec_prefix=\${prefix}
f2b7382c 3107libdir=$libdir
7622778e 3108includedir=$incdir
def4272a 3109
d0674868
DB
3110Name: $name
3111Description: $comment
3112Version: $version
8cd6b388 3113Requires: $(enabled shared || echo $requires)
5dcfe9f8 3114Requires.private: $(enabled shared && echo $requires)
def4272a 3115Conflicts:
8cd6b388 3116Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3117Libs.private: $(enabled shared && echo $libs)
76a448ed 3118Cflags: -I\${includedir}
def4272a 3119EOF
25cd5cb3 3120cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3121prefix=
3122exec_prefix=
46d1ff83 3123libdir=\${pcfiledir}
1d44d365 3124includedir=${source_path}
def4272a 3125
d0674868
DB
3126Name: $name
3127Description: $comment
3128Version: $version
3129Requires: $requires
def4272a 3130Conflicts:
12701f6e 3131Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3132Cflags: -I\${includedir}
3133EOF
d0674868 3134}
def4272a 3135
e426941d 3136pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3137pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3138pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3139pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3140enabled avfilter &&
46983309 3141 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3142enabled postproc &&
e426941d 3143 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3144pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"