Make vp8 select h264dsp and use this to pull in mmx intrapred
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
f57620d5
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3# FFmpeg configure script
4#
949906ea
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
c21d6325
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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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."
505dfb09
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
c21d6325
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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
cde2d79a
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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
19bd477d 64 --logfile=FILE log tests and output to FILE [config.log]
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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
06454877 91 --enable-postproc enable GPLed postprocessing support [no]
cccc039f 92 --disable-avfilter disable video filter support [no]
06454877 93 --enable-avfilter-lavf video filters dependent on avformat [no]
0dbfc1db 94 --disable-pthreads disable pthreads [auto]
06454877
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95 --enable-w32threads use Win32 threads [no]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
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98 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101 --disable-fastdiv disable table-based division
102 --enable-small optimize for size instead of speed
103 --disable-aandct disable AAN DCT code
7f3f5f46 104 --disable-dct disable DCT code
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105 --disable-fft disable FFT code
106 --disable-golomb disable Golomb code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --disable-vaapi disable VAAPI code
111 --disable-vdpau disable VDPAU code
92c6a099 112 --disable-dxva2 disable DXVA2 code
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113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --enable-memalign-hack emulate memalign, interferes with memory debuggers
bb55e3a3 116 --disable-everything disable all components listed below
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117 --disable-encoder=NAME disable encoder NAME
118 --enable-encoder=NAME enable encoder NAME
119 --disable-encoders disable all encoders
120 --disable-decoder=NAME disable decoder NAME
121 --enable-decoder=NAME enable decoder NAME
122 --disable-decoders disable all decoders
123 --disable-hwaccel=NAME disable hwaccel NAME
124 --enable-hwaccel=NAME enable hwaccel NAME
125 --disable-hwaccels disable all hwaccels
126 --disable-muxer=NAME disable muxer NAME
127 --enable-muxer=NAME enable muxer NAME
128 --disable-muxers disable all muxers
129 --disable-demuxer=NAME disable demuxer NAME
130 --enable-demuxer=NAME enable demuxer NAME
131 --disable-demuxers disable all demuxers
132 --enable-parser=NAME enable parser NAME
133 --disable-parser=NAME disable parser NAME
134 --disable-parsers disable all parsers
135 --enable-bsf=NAME enable bitstream filter NAME
136 --disable-bsf=NAME disable bitstream filter NAME
137 --disable-bsfs disable all bitstream filters
138 --enable-protocol=NAME enable protocol NAME
139 --disable-protocol=NAME disable protocol NAME
140 --disable-protocols disable all protocols
141 --disable-indev=NAME disable input device NAME
142 --disable-outdev=NAME disable output device NAME
143 --disable-indevs disable input devices
144 --disable-outdevs disable output devices
145 --disable-devices disable all devices
146 --enable-filter=NAME enable filter NAME
147 --disable-filter=NAME disable filter NAME
148 --disable-filters disable all filters
149 --list-decoders show all available decoders
150 --list-encoders show all available encoders
151 --list-hwaccels show all available hardware accelerators
152 --list-muxers show all available muxers
153 --list-demuxers show all available demuxers
154 --list-parsers show all available parsers
155 --list-protocols show all available protocols
156 --list-bsfs show all available bitstream filters
157 --list-indevs show all available input devices
158 --list-outdevs show all available output devices
159 --list-filters show all available filters
160
161External library support:
162 --enable-avisynth enable reading of AVISynth script files [no]
163 --enable-bzlib enable bzlib [autodetect]
164 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
167 and libraw1394 [no]
168 --enable-libdirac enable Dirac support via libdirac [no]
169 --enable-libfaac enable FAAC support via libfaac [no]
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170 --enable-libgsm enable GSM support via libgsm [no]
171 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
172 --enable-libnut enable NUT (de)muxing via libnut,
173 native (de)muxer exists [no]
174 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
0f943ce6 175 --enable-librtmp enable RTMP[E] support via librtmp [no]
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176 --enable-libschroedinger enable Dirac support via libschroedinger [no]
177 --enable-libspeex enable Speex decoding via libspeex [no]
178 --enable-libtheora enable Theora encoding via libtheora [no]
179 --enable-libvorbis enable Vorbis encoding via libvorbis,
180 native implementation exists [no]
8299a7f8 181 --enable-libvpx enable VP8 support via libvpx [no]
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182 --enable-libx264 enable H.264 encoding via x264 [no]
183 --enable-libxvid enable Xvid encoding via xvidcore,
184 native MPEG-4/Xvid encoder exists [no]
185 --enable-mlib enable Sun medialib [no]
186 --enable-zlib enable zlib [autodetect]
187
188Advanced options (experts only):
189 --source-path=PATH path to source code [$source_path]
190 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
191 --enable-cross-compile assume a cross-compiler is used
192 --sysroot=PATH root of cross-build tree
193 --sysinclude=PATH location of cross-build system headers
194 --target-os=OS compiler targets OS [$target_os]
195 --target-exec=CMD command to run executables on target
196 --target-path=DIR path to view of build directory on target
197 --nm=NM use nm tool
121d78d0 198 --ar=AR use archive tool AR [$ar_default]
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199 --as=AS use assembler AS [$as_default]
200 --cc=CC use C compiler CC [$cc_default]
201 --ld=LD use linker LD
202 --host-cc=HOSTCC use host C compiler HOSTCC
203 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
204 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
205 --host-libs=HLIBS use libs HLIBS when linking for host
206 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
207 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208 --extra-libs=ELIBS add ELIBS [$ELIBS]
209 --extra-version=STRING version string suffix []
210 --build-suffix=SUFFIX library name suffix []
211 --arch=ARCH select architecture [$arch]
212 --cpu=CPU select the minimum required CPU (affects
213 instruction selection, may crash on older CPUs)
214 --enable-powerpc-perf enable performance report on PPC
215 (requires enabling PMC)
c8a4ae00 216 --disable-asm disable all assembler optimizations
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217 --disable-altivec disable AltiVec optimizations
218 --disable-amd3dnow disable 3DNow! optimizations
219 --disable-amd3dnowext disable 3DNow! extended optimizations
220 --disable-mmx disable MMX optimizations
221 --disable-mmx2 disable MMX2 optimizations
222 --disable-sse disable SSE optimizations
223 --disable-ssse3 disable SSSE3 optimizations
224 --disable-armv5te disable armv5te optimizations
225 --disable-armv6 disable armv6 optimizations
226 --disable-armv6t2 disable armv6t2 optimizations
227 --disable-armvfp disable ARM VFP optimizations
228 --disable-iwmmxt disable iwmmxt optimizations
229 --disable-mmi disable MMI optimizations
230 --disable-neon disable neon optimizations
231 --disable-vis disable VIS optimizations
232 --disable-yasm disable use of yasm assembler
233 --enable-pic build position-independent code
4ae40685 234 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 235 --enable-sram allow use of on-chip SRAM
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236
237Developer options (useful when working on FFmpeg itself):
238 --disable-debug disable debugging symbols
239 --enable-debug=LEVEL set the debug level [$debuglevel]
240 --enable-gprof enable profiling with gprof [$gprof]
241 --disable-optimizations disable compiler optimizations
242 --enable-extra-warnings enable more compiler warnings
243 --disable-stripping disable stripping of executables and shared libraries
2fad0977 244 --samples=PATH location of test samples for FATE
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245
246NOTE: Object files are built at the place where configure is launched.
247EOF
60e8bc13 248 exit 0
74c53c2d 249}
cf9d24ad 250
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251quotes='""'
252
57bd82d4 253log(){
2270b4b2 254 echo "$@" >> $logfile
57bd82d4
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255}
256
720c69da 257log_file(){
c8e9f801 258 log BEGIN $1
2270b4b2 259 pr -n -t $1 >> $logfile
c8e9f801
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260 log END $1
261}
262
2ba042a7 263echolog(){
c8e9f801 264 log "$@"
57bd82d4 265 echo "$@"
2ba042a7
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266}
267
7bfc8ae6
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268warn(){
269 log "WARNING: $*"
270 WARNINGS="${WARNINGS}WARNING: $*\n"
271}
272
2ba042a7
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273die(){
274 echolog "$@"
275 cat <<EOF
d326cf7f 276
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277If you think configure made a mistake, make sure you are using the latest
278version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 279ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 280EOF
e155a21a 281 if disabled logging; then
2ba042a7 282 cat <<EOF
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283Rerun configure with logging enabled (do not use --disable-logging), and
284include the log this produces with your report.
2ba042a7
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285EOF
286 else
287cat <<EOF
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288Include the log file "$logfile" produced by configure as this will help
289solving the problem.
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290EOF
291 fi
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292 exit 1
293}
294
6c6007d6 295# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 296toupper(){
6c6007d6 297 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
298}
299
4a5444db 300tolower(){
6c6007d6 301 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
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302}
303
14a8acf1
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304c_escape(){
305 echo "$*" | sed 's/["\\]/\\\0/g'
306}
307
b04251c5
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308sh_quote(){
309 v=$(echo "$1" | sed "s/'/'\\\\''/g")
310 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
311 echo "$v"
312}
313
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MR
314filter(){
315 pat=$1
316 shift
317 for v; do
98ef6079 318 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
319 done
320}
321
36e2dea0
MR
322map(){
323 m=$1
324 shift
e0e335a0 325 for v; do eval $m; done
36e2dea0
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326}
327
a8d04fba
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328set_all(){
329 value=$1
330 shift
331 for var in $*; do
332 eval $var=$value
333 done
334}
335
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336set_weak(){
337 value=$1
338 shift
339 for var; do
340 eval : \${$var:=$value}
341 done
342}
343
799c9e9b
MR
344pushvar(){
345 for var in $*; do
346 eval level=\${${var}_level:=0}
347 eval ${var}_${level}="\$$var"
348 eval ${var}_level=$(($level+1))
349 done
350}
351
352popvar(){
353 for var in $*; do
354 eval level=\${${var}_level:-0}
355 test $level = 0 && continue
356 eval level=$(($level-1))
357 eval $var="\${${var}_${level}}"
358 eval ${var}_level=$level
359 eval unset ${var}_${level}
360 done
361}
362
a8d04fba
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363enable(){
364 set_all yes $*
365}
366
367disable(){
368 set_all no $*
369}
370
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371enable_weak(){
372 set_weak yes $*
373}
374
375disable_weak(){
376 set_weak no $*
377}
378
72702705 379enable_safe(){
fd07f803
MR
380 for var; do
381 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
382 done
72702705
MR
383}
384
385disable_safe(){
fd07f803
MR
386 for var; do
387 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
388 done
72702705
MR
389}
390
f9d328da
MR
391do_enable_deep(){
392 for var; do
393 enabled $var && continue
394 eval sel="\$${var}_select"
c510c7b5
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395 eval sgs="\$${var}_suggest"
396 pushvar var sgs
f9d328da 397 enable_deep $sel
c510c7b5
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398 popvar sgs
399 enable_deep_weak $sgs
f9d328da
MR
400 popvar var
401 done
402}
403
404enable_deep(){
405 do_enable_deep $*
406 enable $*
407}
408
72a43668
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409enable_deep_weak(){
410 do_enable_deep $*
411 enable_weak $*
412}
413
57bd82d4 414enabled(){
3250003c
MR
415 test "${1#!}" = "$1" && op== || op=!=
416 eval test "x\$${1#!}" $op "xyes"
44161118
MR
417}
418
37970ebf 419disabled(){
3250003c
MR
420 test "${1#!}" = "$1" && op== || op=!=
421 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
422}
423
44161118
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424enabled_all(){
425 for opt; do
426 enabled $opt || return 1
427 done
428}
429
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DB
430disabled_all(){
431 for opt; do
432 disabled $opt || return 1
433 done
434}
435
44161118
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436enabled_any(){
437 for opt; do
438 enabled $opt && return 0
439 done
440}
441
85bca2c5
DB
442disabled_any(){
443 for opt; do
444 disabled $opt && return 0
445 done
f7b230a7 446 return 1
85bca2c5
DB
447}
448
c9d19248
MR
449set_default(){
450 for opt; do
88268e94 451 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
452 done
453}
454
4a0d6686
AJ
455is_in(){
456 value=$1
457 shift
458 for var in $*; do
459 [ $var = $value ] && return 0
460 done
461 return 1
462}
463
30fd06be
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464check_deps(){
465 for cfg; do
3250003c 466 cfg="${cfg#!}"
799c9e9b
MR
467 enabled ${cfg}_checking && die "Circular dependency for $cfg."
468 disabled ${cfg}_checking && continue
469 enable ${cfg}_checking
470
30fd06be
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471 eval dep_all="\$${cfg}_deps"
472 eval dep_any="\$${cfg}_deps_any"
7ef3425f 473 eval dep_sel="\$${cfg}_select"
c510c7b5 474 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
475 eval dep_ifa="\$${cfg}_if"
476 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 477
3d7453e0
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478 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
479 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
480 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 481
3d7453e0
MR
482 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
483 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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484 enabled_all $dep_all || disable $cfg
485 enabled_any $dep_any || disable $cfg
7ef3425f 486 disabled_any $dep_sel && disable $cfg
799c9e9b 487
4ec45764
RP
488 if enabled $cfg; then
489 eval dep_extralibs="\$${cfg}_extralibs"
490 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 491 enable_deep $dep_sel
c510c7b5 492 enable_deep_weak $dep_sgs
4ec45764
RP
493 fi
494
799c9e9b 495 disable ${cfg}_checking
30fd06be
MR
496 done
497}
498
44161118
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499print_config(){
500 pfx=$1
501 header=$2
502 makefile=$3
503 shift 3
504 for cfg; do
5e622c40 505 ucname="$(toupper $cfg)"
44161118 506 if enabled $cfg; then
3d907e22 507 echo "#define ${pfx}${ucname} 1" >> $header
3d907e22
MR
508 echo "${pfx}${ucname}=yes" >> $makefile
509 else
b250f9c6 510 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 511 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
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512 fi
513 done
57bd82d4
MR
514}
515
57bd82d4
MR
516append(){
517 var=$1
518 shift
57bd82d4
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519 eval "$var=\"\$$var $*\""
520}
521
60361817
MR
522prepend(){
523 var=$1
524 shift
525 eval "$var=\"$* \$$var\""
526}
527
50a334e4 528add_cppflags(){
caf458dd 529 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
530}
531
57bd82d4 532add_cflags(){
caf458dd 533 append CFLAGS $($filter_cflags "$@")
57bd82d4
MR
534}
535
2f2e6c7c 536add_asflags(){
caf458dd 537 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
MR
538}
539
57bd82d4
MR
540add_ldflags(){
541 append LDFLAGS "$@"
542}
543
544add_extralibs(){
60361817 545 prepend extralibs "$@"
57bd82d4
MR
546}
547
b0cfb663 548check_cmd(){
b3cb5d51 549 log "$@"
2270b4b2 550 "$@" >> $logfile 2>&1
b0cfb663
MR
551}
552
dcd479c0 553check_cc(){
57bd82d4 554 log check_cc "$@"
2270b4b2 555 cat > $TMPC
720c69da 556 log_file $TMPC
50a334e4 557 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
558}
559
560check_cpp(){
561 log check_cpp "$@"
2270b4b2 562 cat > $TMPC
720c69da 563 log_file $TMPC
9e7f3277 564 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
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565}
566
f65883c8
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567check_as(){
568 log check_as "$@"
569 cat > $TMPC
570 log_file $TMPC
2f2e6c7c 571 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
572}
573
940f335a
MR
574check_asm(){
575 log check_asm "$@"
576 name="$1"
3784e82e 577 code="$2"
940f335a 578 shift 2
49214f61
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579 disable $name
580 check_as "$@" <<EOF && enable $name
3784e82e 581void foo(void){ __asm__ volatile($code); }
940f335a
MR
582EOF
583}
584
304d586d
LM
585check_yasm(){
586 log check_yasm "$@"
587 echo "$1" > $TMPS
588 log_file $TMPS
589 shift 1
590 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
591}
592
dcd479c0 593check_ld(){
57bd82d4 594 log check_ld "$@"
3155a644
MR
595 flags=''
596 libs=''
597 for f; do
598 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
599 done
2a194acd 600 check_cc $($filter_cflags $flags) || return
684b28e0 601 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
602}
603
50a334e4
MR
604check_cppflags(){
605 log check_cppflags "$@"
caf458dd
MR
606 set -- $($filter_cppflags "$@")
607 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
608int x;
609EOF
610}
611
dcd479c0 612check_cflags(){
57bd82d4 613 log check_cflags "$@"
caf458dd
MR
614 set -- $($filter_cflags "$@")
615 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
616int x;
617EOF
618}
619
2ed46eea
MR
620test_ldflags(){
621 log test_ldflags "$@"
622 check_ld "$@" <<EOF
c23a0ac8 623int main(void){ return 0; }
dcd479c0
MR
624EOF
625}
626
2ed46eea
MR
627check_ldflags(){
628 log check_ldflags "$@"
629 test_ldflags "$@" && add_ldflags "$@"
630}
631
dcd479c0 632check_header(){
57bd82d4 633 log check_header "$@"
dcd479c0
MR
634 header=$1
635 shift
b77df637
MR
636 disable_safe $header
637 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
638#include <$header>
639int x;
640EOF
641}
642
643check_func(){
57bd82d4 644 log check_func "$@"
dcd479c0
MR
645 func=$1
646 shift
d8bc5f06
MR
647 disable $func
648 check_ld "$@" <<EOF && enable $func
dcd479c0 649extern int $func();
c23a0ac8 650int main(void){ $func(); }
dcd479c0
MR
651EOF
652}
653
645d2652 654check_mathfunc(){
6b73c0ae 655 log check_mathfunc "$@"
645d2652
MR
656 func=$1
657 shift
658 disable $func
659 check_ld "$@" <<EOF && enable $func
660#include <math.h>
33bd38db
MR
661float foo(float f) { return $func(f); }
662int main(void){ return 0; }
645d2652
MR
663EOF
664}
665
2446d3d6
DB
666check_func_headers(){
667 log check_func_headers "$@"
f8d7b072
MR
668 headers=$1
669 func=$2
670 shift 2
671 disable $func
672 incs=""
673 for hdr in $headers; do
674 incs="$incs
675#include <$hdr>"
676 done
cd0d9a9d 677 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 678$incs
d6773f56 679int main(int argc, char **argv){
2b2c2a81 680 return (long) $func;
f8d7b072
MR
681}
682EOF
683}
684
a5344cf7
SS
685check_cpp_condition(){
686 log check_cpp_condition "$@"
687 header=$1
688 condition=$2
f855b7b9
MR
689 shift 2
690 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
691#include <$header>
692#if !($condition)
693#error "unsatisfied condition: $condition"
694#endif
695EOF
696}
697
57bd82d4
MR
698check_lib(){
699 log check_lib "$@"
700 header="$1"
701 func="$2"
702 shift 2
84400e9d 703 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
704}
705
f8d7b072
MR
706check_lib2(){
707 log check_lib2 "$@"
708 headers="$1"
709 func="$2"
710 shift 2
300cde27 711 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
712}
713
dcd479c0 714check_exec(){
2270b4b2 715 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
716}
717
7dfef245 718check_exec_crash(){
5e622c40 719 code=$(cat)
7dfef245
MR
720
721 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
722 # are safe but may not be available everywhere. Thus we use
723 # raise(SIGTERM) instead. The check is run in a subshell so we
724 # can redirect the "Terminated" message from the shell. SIGBUS
725 # is not defined by standard C so it is used conditionally.
726
2270b4b2 727 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
728#include <signal.h>
729static void sighandler(int sig){
730 raise(SIGTERM);
731}
e5af4a11 732int main(void){
7dfef245
MR
733 signal(SIGILL, sighandler);
734 signal(SIGFPE, sighandler);
735 signal(SIGSEGV, sighandler);
736#ifdef SIGBUS
737 signal(SIGBUS, sighandler);
738#endif
739 { $code }
740}
741EOF
742}
743
72be9e73
DY
744check_type(){
745 log check_type "$@"
746 headers=$1
747 type=$2
748 shift 2
ae550ce9 749 disable_safe "$type"
72be9e73
DY
750 incs=""
751 for hdr in $headers; do
752 incs="$incs
753#include <$hdr>"
754 done
ae550ce9 755 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
756$incs
757$type v;
758EOF
759}
760
14d36751
MR
761check_struct(){
762 log check_type "$@"
763 headers=$1
764 struct=$2
765 member=$3
766 shift 3
767 disable_safe "${struct}_${member}"
768 incs=""
769 for hdr in $headers; do
770 incs="$incs
771#include <$hdr>"
772 done
773 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
774$incs
775const void *p = &(($struct *)0)->$member;
776EOF
777}
778
57bd82d4
MR
779require(){
780 name="$1"
781 header="$2"
782 func="$3"
783 shift 3
784 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
785}
786
f8d7b072
MR
787require2(){
788 name="$1"
789 headers="$2"
790 func="$3"
791 shift 3
792 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
793}
794
f0125de9
MR
795check_host_cc(){
796 log check_host_cc "$@"
797 cat > $TMPC
798 log_file $TMPC
799 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
800}
801
802check_host_cflags(){
803 log check_host_cflags "$@"
804 check_host_cc "$@" <<EOF && append host_cflags "$@"
805int x;
806EOF
807}
808
c505dd31
MR
809apply(){
810 file=$1
811 shift
812 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
813}
814
c34681df
MR
815cp_if_changed(){
816 cmp -s "$1" "$2" &&
817 echo "$2 is unchanged" ||
818 cp -f "$1" "$2"
819}
820
dcd61286
DB
821# CONFIG_LIST contains configurable options, while HAVE_LIST is for
822# system-dependent things.
823
4a0d6686
AJ
824COMPONENT_LIST="
825 bsfs
826 decoders
827 demuxers
828 encoders
3cde40aa 829 filters
5666fd73 830 hwaccels
c552605c 831 indevs
4a0d6686 832 muxers
c552605c 833 outdevs
4a0d6686
AJ
834 parsers
835 protocols
836"
837
838CONFIG_LIST="
839 $COMPONENT_LIST
e8ed9b7a 840 aandct
5a0f7131
MR
841 avcodec
842 avdevice
f7679c54
VS
843 avfilter
844 avfilter_lavf
5a0f7131 845 avformat
c88f5d72 846 avisynth
f402916e 847 bzlib
7f3f5f46 848 dct
c73f65d9 849 doc
05aec7bb 850 dwt
92c6a099 851 dxva2
27a9466b 852 fastdiv
c88f5d72
MR
853 ffmpeg
854 ffplay
336ce917 855 ffprobe
c88f5d72 856 ffserver
1848f7d9 857 fft
4f034993 858 golomb
c88f5d72 859 gpl
ecfc4f44 860 gprof
d8d0d0b2 861 gray
4693b031 862 h264dsp
3abe5fbd 863 hardcoded_tables
f7b8bffe 864 libdc1394
690bfceb 865 libdirac
2eed5a46 866 libfaac
c88f5d72 867 libgsm
6ebe07fb 868 libmp3lame
c88f5d72 869 libnut
0b175caa
DB
870 libopencore_amrnb
871 libopencore_amrwb
9a77d59a 872 libopenjpeg
0f943ce6 873 librtmp
f7cd9eed 874 libschroedinger
ae14f311 875 libspeex
150d2772 876 libtheora
c88f5d72 877 libvorbis
8299a7f8 878 libvpx
1cc60c47
DB
879 libx264
880 libxvid
f4d608e3 881 lpc
b781cc12 882 lsp
47a158cb 883 mdct
c88f5d72 884 memalign_hack
a8150374 885 mlib
c88f5d72
MR
886 mpegaudio_hp
887 network
3fe142e2 888 nonfree
8a3c8627 889 pic
4a24ab64 890 postproc
2b4c3615 891 powerpc_perf
68602540 892 rdft
e90f5b5a 893 runtime_cpudetect
2e35e684 894 shared
bd2216e4 895 small
6b35d421 896 sram
2e35e684 897 static
5a0f7131 898 swscale
a9ddb5b1 899 swscale_alpha
17492d5e
DB
900 vaapi
901 vdpau
9cad0e4e 902 version3
56a059ac 903 x11grab
c88f5d72 904 zlib
4a0d6686 905"
c88f5d72 906
8eee7025 907THREADS_LIST='
8eee7025
DB
908 pthreads
909 w32threads
910'
911
3f5b56e5
MR
912ARCH_LIST='
913 alpha
a2fc0f6a 914 arm
fdcd782d
MR
915 avr32
916 avr32_ap
917 avr32_uc
3f5b56e5
MR
918 bfin
919 ia64
920 m68k
921 mips
bae3abb0 922 mips64
3f5b56e5 923 parisc
79cb09b2 924 ppc
34d11b87 925 ppc64
3f5b56e5
MR
926 s390
927 sh4
928 sparc
929 sparc64
0844bae1 930 tomi
3f5b56e5
MR
931 x86
932 x86_32
933 x86_64
934'
935
936ARCH_EXT_LIST='
1ac9331a 937 altivec
3bf96eec 938 amd3dnow
a1ef9f08 939 amd3dnowext
1ac9331a 940 armv5te
edab3048 941 armv6
ab5cb084 942 armv6t2
f55b299a 943 armvfp
3f5b56e5
MR
944 iwmmxt
945 mmi
946 mmx
d7f0920b 947 mmx2
6b18d278 948 neon
799fde37 949 ppc4xx
1bb04d5a 950 sse
9eeed841 951 ssse3
bd9d34a0 952 vis
3f5b56e5
MR
953'
954
a3e02a8c
MR
955HAVE_LIST_PUB='
956 bigendian
957'
958
3f5b56e5
MR
959HAVE_LIST="
960 $ARCH_EXT_LIST
a3e02a8c 961 $HAVE_LIST_PUB
3f5b56e5 962 $THREADS_LIST
35fd8122 963 alsa_asoundlib_h
3f5b56e5 964 altivec_h
c9fdab0d 965 arpa_inet_h
dffb41b9 966 attribute_may_alias
e7ea5e3d 967 attribute_packed
6bd859d6 968 bswap
ecf97f22 969 closesocket
1ac9331a 970 cmov
e16e49ac 971 conio_h
c88f5d72 972 dcbzl
f8aa696f
DB
973 dev_bktr_ioctl_bt848_h
974 dev_bktr_ioctl_meteor_h
975 dev_ic_bt8xx_h
976 dev_video_meteor_ioctl_meteor_h
977 dev_video_bktr_ioctl_bt848_h
18b67ae5 978 dlfcn_h
c88f5d72 979 dlopen
bc574408 980 dos_paths
245626d0
DB
981 ebp_available
982 ebx_available
6b7c7703
VS
983 exp2
984 exp2f
c2a29455 985 fast_64bit
669b5583 986 fast_clz
7073e9fc 987 fast_cmov
7b829d2a 988 fast_unaligned
9d99cc5a 989 fork
84882df6 990 getaddrinfo
da9e86f8 991 gethrtime
fc5607f8 992 GetProcessMemoryInfo
4e68cb8a 993 GetProcessTimes
66be5b45 994 getrusage
fc5607f8 995 struct_rusage_ru_maxrss
2e1913b1 996 inet_aton
61d251db 997 inline_asm
abfc8d05 998 isatty
9f5ff83f 999 ldbrx
0b4a1821
AS
1000 libdc1394_1
1001 libdc1394_2
a33cab3a 1002 llrint
07876e25 1003 llrintf
d96cd429
MR
1004 local_aligned_16
1005 local_aligned_8
291fd18a 1006 log2
6b7c7703 1007 log2f
85dd97ad 1008 loongson
a33cab3a 1009 lrint
c88f5d72 1010 lrintf
e4673692 1011 lzo1x_999_compress
f8aa696f
DB
1012 machine_ioctl_bt848_h
1013 machine_ioctl_meteor_h
c88f5d72
MR
1014 malloc_h
1015 memalign
6ffa87d3 1016 mkstemp
b4e806b2 1017 pld
1f91cdce 1018 posix_memalign
a33cab3a
MK
1019 round
1020 roundf
c88f5d72
MR
1021 sdl
1022 sdl_video_size
b507ebd1 1023 setmode
72be9e73 1024 socklen_t
deb29777 1025 soundcard_h
f8cda19e 1026 poll_h
0104b608 1027 setrlimit
87958234 1028 strerror_r
c0018613 1029 struct_addrinfo
b4d68544
MS
1030 struct_ipv6_mreq
1031 struct_sockaddr_in6
3b2372bf 1032 struct_sockaddr_sa_len
33a4dbdd 1033 struct_sockaddr_storage
b462d132
MR
1034 symver
1035 symver_gnu_asm
1036 symver_asm_label
b58412f1 1037 sys_mman_h
b091aa44 1038 sys_resource_h
81644c2e 1039 sys_select_h
deb29777 1040 sys_soundcard_h
1b6e8b73 1041 sys_videoio_h
d3a4b4e0 1042 ten_operands
e16e49ac 1043 termios_h
b265431e 1044 threads
7b04b8a0 1045 truncf
ce742de2 1046 vfp_args
7c5bfe7a 1047 VirtualAlloc
6ff3f3e7 1048 winsock2_h
cc078b5d 1049 xform_asm
304d586d 1050 yasm
0cb78cef 1051"
44161118 1052
b6bb00b0
MR
1053# options emitted with CONFIG_ prefix but not available on command line
1054CONFIG_EXTRA="
dc4f5a1c 1055 avutil
9cad0e4e
DB
1056 gplv3
1057 lgplv3
b6bb00b0
MR
1058"
1059
520cc7f1 1060CMDLINE_SELECT="
3f5b56e5 1061 $ARCH_EXT_LIST
520cc7f1 1062 $CONFIG_LIST
8eee7025 1063 $THREADS_LIST
c8a4ae00 1064 asm
db6107b6 1065 cross_compile
520cc7f1
MR
1066 debug
1067 extra_warnings
8c6afa4d 1068 logging
d2bbb2f7 1069 optimizations
87a0fb62 1070 stripping
7595a5e4 1071 yasm
520cc7f1 1072"
426be5dc
DB
1073
1074PATHS_LIST='
d156bede 1075 bindir
14a8acf1 1076 datadir
26759c44
MR
1077 incdir
1078 libdir
26759c44
MR
1079 mandir
1080 prefix
1081 shlibdir
426be5dc
DB
1082'
1083
1084CMDLINE_SET="
1085 $PATHS_LIST
121d78d0 1086 ar
426be5dc 1087 arch
313c46a6 1088 as
426be5dc
DB
1089 build_suffix
1090 cc
1091 cpu
1092 cross_prefix
50567afa 1093 dep_cc
ac63af34 1094 extra_version
9da6609f
MR
1095 host_cc
1096 host_cflags
1097 host_ldflags
1098 host_libs
82bb3329 1099 host_os
684b28e0 1100 ld
426be5dc 1101 logfile
4ae40685 1102 malloc_prefix
89641463 1103 nm
2fad0977 1104 samples
26759c44 1105 source_path
4f837398 1106 strip
c5200f17
MR
1107 sysinclude
1108 sysroot
a7ada2ba 1109 target_exec
26759c44 1110 target_os
a7ada2ba 1111 target_path
426be5dc 1112"
520cc7f1 1113
89f2932b
MR
1114CMDLINE_APPEND="
1115 extra_cflags
1116"
1117
912f3148
DB
1118# code dependency declarations
1119
9eeed841 1120# architecture extensions
808fa33c 1121
a2fc0f6a
MR
1122armv5te_deps="arm"
1123armv6_deps="arm"
ab5cb084 1124armv6t2_deps="arm"
a2fc0f6a
MR
1125armvfp_deps="arm"
1126iwmmxt_deps="arm"
808fa33c
MR
1127neon_deps="arm"
1128
e241ba14 1129mmi_deps="mips"
808fa33c
MR
1130
1131altivec_deps="ppc"
1132ppc4xx_deps="ppc"
1133
1134vis_deps="sparc"
1135
7f8c3d1f 1136x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1137amd3dnow_deps="mmx"
1138amd3dnowext_deps="amd3dnow"
9eeed841 1139mmx_deps="x86"
75aa95a6 1140mmx2_deps="mmx"
75aa95a6
DB
1141sse_deps="mmx"
1142ssse3_deps="sse"
9eeed841 1143
e939cedd 1144fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1145fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1146fast_unaligned_if_any="armv6 ppc x86"
669b5583 1147
89e053f8 1148need_memalign="altivec neon sse"
6fec122a 1149inline_asm_deps="!tms470"
89e053f8 1150
b462d132
MR
1151symver_if_any="symver_asm_label symver_gnu_asm"
1152
26fbcc85
MR
1153# subsystems
1154mdct_select="fft"
1155rdft_select="fft"
1156
5666fd73 1157# decoders / encoders / hardware accelerators
49351479 1158aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1159aac_encoder_select="mdct"
1160ac3_decoder_select="mdct ac3_parser"
f4d608e3 1161alac_encoder_select="lpc"
b781cc12 1162amrnb_decoder_select="lsp"
084cbbaa 1163atrac1_decoder_select="mdct"
26fbcc85
MR
1164atrac3_decoder_select="mdct"
1165binkaudio_dct_decoder_select="mdct rdft dct"
1166binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1167cavs_decoder_select="golomb"
26fbcc85 1168cook_decoder_select="mdct"
2eef7c62 1169cscd_decoder_suggest="zlib"
26fbcc85 1170dca_decoder_select="mdct"
e8ed9b7a 1171dnxhd_encoder_select="aandct"
2eef7c62 1172dxa_decoder_select="zlib"
baf91bb9 1173eac3_decoder_select="ac3_decoder"
84c04e25 1174eamad_decoder_select="aandct"
e8ed9b7a 1175eatgq_decoder_select="aandct"
d52b39c7 1176eatqi_decoder_select="aandct"
4f034993
MR
1177ffv1_decoder_select="golomb"
1178flac_decoder_select="golomb"
f4d608e3 1179flac_encoder_select="golomb lpc"
2eef7c62
AJ
1180flashsv_decoder_select="zlib"
1181flashsv_encoder_select="zlib"
4414137e 1182flv_decoder_select="h263_decoder"
4d4b4bd1 1183flv_encoder_select="h263_encoder"
e8ed9b7a 1184h261_encoder_select="aandct"
7f647ae0 1185h263_decoder_select="h263_parser"
e8ed9b7a 1186h263_encoder_select="aandct"
95a61cfc 1187h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1188h263i_decoder_select="h263_decoder"
fe629c2d 1189h263p_encoder_select="h263_encoder"
4693b031 1190h264_decoder_select="golomb h264dsp"
92c6a099
LA
1191h264_dxva2_hwaccel_deps="dxva2api_h"
1192h264_dxva2_hwaccel_select="dxva2 h264_decoder"
17492d5e 1193h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1194h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1195imc_decoder_select="fft mdct"
4f034993
MR
1196jpegls_decoder_select="golomb"
1197jpegls_encoder_select="golomb"
e8ed9b7a 1198ljpeg_encoder_select="aandct"
4f034993 1199loco_decoder_select="golomb"
e8ed9b7a 1200mjpeg_encoder_select="aandct"
2cca233b 1201mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1202mpeg1video_encoder_select="aandct"
1203mpeg2video_encoder_select="aandct"
4414137e 1204mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1205mpeg4_encoder_select="h263_encoder"
95a61cfc 1206mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1207mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
164aab02
LA
1208mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1209mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1210mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
95a61cfc 1211mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1212mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1213mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1214mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1215msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1216msmpeg4v1_encoder_select="h263_encoder"
4414137e 1217msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1218msmpeg4v2_encoder_select="h263_encoder"
4414137e 1219msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1220msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1221nellymoser_decoder_select="mdct"
1222nellymoser_encoder_select="mdct"
2eef7c62
AJ
1223png_decoder_select="zlib"
1224png_encoder_select="zlib"
b781cc12 1225qcelp_decoder_select="lsp"
26fbcc85 1226qdm2_decoder_select="mdct rdft"
31ed3f1f 1227ra_144_encoder_select="lpc"
a8beb22f 1228rv10_decoder_select="h263_decoder"
b2bf38b4 1229rv10_encoder_select="h263_encoder"
a8beb22f 1230rv20_decoder_select="h263_decoder"
b2bf38b4 1231rv20_encoder_select="h263_encoder"
4693b031
MR
1232rv30_decoder_select="golomb h264dsp"
1233rv40_decoder_select="golomb h264dsp"
4f034993 1234shorten_decoder_select="golomb"
b781cc12 1235sipr_decoder_select="lsp"
05aec7bb
MR
1236snow_decoder_select="dwt"
1237snow_encoder_select="aandct dwt"
4f034993
MR
1238sonic_decoder_select="golomb"
1239sonic_encoder_select="golomb"
1240sonic_ls_encoder_select="golomb"
19ecfb8a 1241svq1_encoder_select="aandct"
4693b031 1242svq3_decoder_select="golomb h264dsp"
bee2eac5 1243svq3_decoder_suggest="zlib"
4eef77c1 1244theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1245tiff_decoder_suggest="zlib"
1246tiff_encoder_suggest="zlib"
aec09a00 1247truehd_decoder_select="mlp_decoder"
2eef7c62 1248tscc_decoder_select="zlib"
b781cc12 1249twinvq_decoder_select="mdct lsp"
f95bfab0 1250vc1_decoder_select="h263_decoder"
9104cd51 1251vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1252vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1253vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1254vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1255vorbis_decoder_select="mdct"
1256vorbis_encoder_select="mdct"
e82dc4c9
DB
1257vp6a_decoder_select="vp6_decoder"
1258vp6f_decoder_select="vp6_decoder"
0912db02 1259vp8_decoder_select="h264dsp"
084cbbaa 1260wmapro_decoder_select="mdct"
26fbcc85
MR
1261wmav1_decoder_select="mdct"
1262wmav1_encoder_select="mdct"
1263wmav2_decoder_select="mdct"
1264wmav2_encoder_select="mdct"
005ad8a0 1265wmavoice_decoder_select="lsp rdft dct"
f95bfab0 1266wmv1_decoder_select="h263_decoder"
665507aa 1267wmv1_encoder_select="h263_encoder"
f95bfab0 1268wmv2_decoder_select="h263_decoder"
1746e2a9 1269wmv2_encoder_select="h263_encoder"
015f8ee0 1270wmv3_decoder_select="vc1_decoder"
f0f86627 1271wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1272wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1273wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1274zlib_decoder_select="zlib"
1275zlib_encoder_select="zlib"
1276zmbv_decoder_select="zlib"
1277zmbv_encoder_select="zlib"
30fd06be 1278
0afab17e 1279vaapi_deps="va_va_h"
c89c96e9
MR
1280vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1281
28b80940 1282# parsers
4693b031 1283h264_parser_select="golomb h264dsp"
28b80940 1284
f1e94694
DB
1285# bitstream_filters
1286aac_adtstoasc_bsf_select="aac_parser"
1287
912f3148 1288# external libraries
1b71f045 1289libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1290libdirac_encoder_deps="libdirac"
c9171a83 1291libfaac_encoder_deps="libfaac"
299c77d5
MR
1292libgsm_decoder_deps="libgsm"
1293libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1294libgsm_ms_decoder_deps="libgsm"
1295libgsm_ms_encoder_deps="libgsm"
1cc60c47 1296libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1297libopencore_amrnb_decoder_deps="libopencore_amrnb"
1298libopencore_amrnb_encoder_deps="libopencore_amrnb"
1299libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1300libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1301libschroedinger_decoder_deps="libschroedinger"
1302libschroedinger_encoder_deps="libschroedinger"
ae14f311 1303libspeex_decoder_deps="libspeex"
150d2772 1304libtheora_encoder_deps="libtheora"
b0caf888 1305libvorbis_encoder_deps="libvorbis"
8299a7f8 1306libvpx_decoder_deps="libvpx"
ee0e9146 1307libvpx_encoder_deps="libvpx"
1cc60c47
DB
1308libx264_encoder_deps="libx264"
1309libxvid_encoder_deps="libxvid"
30fd06be 1310
912f3148 1311# demuxers / muxers
03a76ba9 1312ac3_demuxer_deps="ac3_parser"
647c2356 1313asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1314avisynth_demuxer_deps="avisynth"
1315dirac_demuxer_deps="dirac_parser"
5b423887 1316eac3_demuxer_select="ac3_parser"
647c2356 1317ipod_muxer_select="mov_muxer"
4e622dea
SS
1318libnut_demuxer_deps="libnut"
1319libnut_muxer_deps="libnut"
647c2356 1320matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1321matroska_demuxer_suggest="zlib bzlib"
1322mov_demuxer_suggest="zlib"
1323mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1324mp4_muxer_select="mov_muxer"
1325mpegtsraw_demuxer_select="mpegts_demuxer"
1326mxf_d10_muxer_select="mxf_muxer"
24ca518b 1327ogg_demuxer_select="golomb"
647c2356 1328psp_muxer_select="mov_muxer"
4e622dea 1329rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1330rtsp_muxer_deps="sdp_demuxer"
1331rtsp_muxer_select="rtp_muxer"
4e622dea 1332sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1333sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1334spdif_muxer_select="aac_parser"
647c2356
DB
1335tg2_muxer_select="mov_muxer"
1336tgp_muxer_select="mov_muxer"
6bdaa5f4 1337w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1338
1339# indevs / outdevs
38e54a75
SS
1340alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1341alsa_indev_extralibs="-lasound"
1342alsa_outdev_deps="alsa_asoundlib_h"
1343alsa_outdev_extralibs="-lasound"
38e54a75 1344bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1345dv1394_indev_deps="dv1394 dv_demuxer"
1346jack_indev_deps="jack_jack_h"
1347jack_indev_extralibs="-ljack"
1348libdc1394_indev_deps="libdc1394"
38e54a75
SS
1349oss_indev_deps_any="soundcard_h sys_soundcard_h"
1350oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1351v4l_indev_deps="linux_videodev_h"
1352v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1353vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1354vfwcap_indev_extralibs="-lavicap32"
38e54a75 1355x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1356x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1357
912f3148 1358# protocols
3fff6382 1359gopher_protocol_deps="network"
c08fb000 1360http_protocol_deps="network"
279a0c97 1361http_protocol_select="tcp_protocol"
b4cf3f6c 1362mmst_protocol_deps="network"
deeb7012
MS
1363rtmp_protocol_select="tcp_protocol"
1364rtp_protocol_select="udp_protocol"
c08fb000
AB
1365tcp_protocol_deps="network"
1366udp_protocol_deps="network"
1367
f7679c54 1368# filters
81124ba0 1369movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1370avfilter_lavf_deps="avformat"
1371
1372# libraries
1373avdevice_deps="avcodec avformat"
1374avformat_deps="avcodec"
f7679c54 1375
912f3148 1376# programs
5a0f7131 1377ffmpeg_deps="avcodec avformat swscale"
21ae6790 1378ffmpeg_select="buffer_filter"
5a0f7131 1379ffplay_deps="avcodec avformat swscale sdl"
43689902 1380ffplay_select="rdft"
336ce917 1381ffprobe_deps="avcodec avformat"
5a0f7131 1382ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1383ffserver_extralibs='$ldl'
a2830dca 1384
c73f65d9 1385doc_deps="texi2html"
912f3148 1386
de6d9b64 1387# default parameters
8a608357 1388
19bd477d 1389logfile="config.log"
8a608357
MR
1390
1391# installation paths
c9d19248
MR
1392prefix_default="/usr/local"
1393bindir_default='${prefix}/bin'
14a8acf1 1394datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1395incdir_default='${prefix}/include'
1396libdir_default='${prefix}/lib'
1397mandir_default='${prefix}/share/man'
1398shlibdir_default="$libdir_default"
8a608357
MR
1399
1400# toolchain
121d78d0 1401ar_default="ar"
13c7df3d 1402cc_default="gcc"
a3d7c197 1403cc_version=\"unknown\"
9da6609f 1404host_cc_default="gcc"
11e6d03a 1405ln_s="ln -sf"
89641463 1406nm_default="nm"
11e6d03a 1407objformat="elf"
be7109c1 1408ranlib="ranlib"
4f837398 1409strip_default="strip"
11e6d03a 1410yasmexe="yasm"
8a608357 1411
8182dc34
MR
1412nm_opts='-g'
1413
8a608357 1414# machine
8d4c00ed 1415arch_default=$(uname -m)
38d0a8aa 1416cpu="generic"
8a608357 1417
8a608357 1418# OS
8d4c00ed
MR
1419target_os_default=$(tolower $(uname -s))
1420host_os=$target_os_default
8a608357 1421
8a608357 1422# configurable options
5a0f7131
MR
1423enable avcodec
1424enable avdevice
cccc039f 1425enable avfilter
5a0f7131 1426enable avformat
dc4f5a1c 1427enable avutil
c8a4ae00 1428enable asm
497237c7 1429enable debug
c73f65d9 1430enable doc
aa033b1e 1431enable fastdiv
497237c7
RP
1432enable ffmpeg
1433enable ffplay
336ce917 1434enable ffprobe
497237c7 1435enable ffserver
497237c7
RP
1436enable mpegaudio_hp
1437enable network
8400d6b8 1438enable optimizations
497237c7 1439enable protocols
530dc538 1440enable static
87a0fb62 1441enable stripping
5a0f7131 1442enable swscale
a9ddb5b1 1443enable swscale_alpha
8a608357 1444
8a608357 1445# build settings
9987769a 1446SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1447FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1448LIBPREF="lib"
1449LIBSUF=".a"
c5f14466
RP
1450FULLNAME='$(NAME)$(BUILDSUF)'
1451LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1452SLIBPREF="lib"
1453SLIBSUF=".so"
c5f14466 1454SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1455SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1456SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1457LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1458
7e6c86e6
MR
1459CC_O='-o $@'
1460
f0125de9 1461host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1462host_libs='-lm'
1463
9b861379 1464target_path='$(CURDIR)'
a7ada2ba 1465
0d7dca36
DB
1466# gcc stupidly only outputs the basename of targets with -MM, but we need the
1467# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1468DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1469DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1470
c597172e 1471# find source path
5e622c40 1472source_path="$(dirname "$0")"
497237c7 1473enable source_path_used
24524f36 1474if test -f configure; then
5e622c40 1475 source_path="$(pwd)"
497237c7 1476 disable source_path_used
c597172e 1477else
5e622c40 1478 source_path="$(cd "$source_path"; pwd)"
c597172e 1479 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1480 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1481 test -e "$source_path/config.h" &&
1482 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1483fi
1484
13cbe2c0 1485for v in "$@"; do
b04251c5
MR
1486 r=${v#*=}
1487 l=${v%"$r"}
1488 r=$(sh_quote "$r")
13cbe2c0
MR
1489 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1490done
c597172e 1491
73ef8980
MR
1492find_things(){
1493 thing=$1
1494 pattern=$2
1495 file=$source_path/$3
932ccf39 1496 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1497}
1498
1499ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1500DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1501HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1502PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1503BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1504MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1505DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1506OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1507INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1508PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1509FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1510
8469ae22
MR
1511for n in $COMPONENT_LIST; do
1512 v=$(toupper ${n%s})_LIST
1513 eval enable \$$v
1514 eval ${n}_if_any="\$$v"
1515done
1516
1517enable $ARCH_EXT_LIST
c597172e
MR
1518
1519die_unknown(){
1520 echo "Unknown option \"$1\"."
1521 echo "See $0 --help for available options."
1522 exit 1
1523}
1524
794f8e97 1525show_list() {
bf0c4afa
RP
1526 suffix=_$1
1527 shift
2b444ea7 1528 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1529 exit 0
1530}
1531
c597172e 1532for opt do
7483e694
DB
1533 optval="${opt#*=}"
1534 case "$opt" in
0f010b2f 1535 --extra-ldflags=*) add_ldflags $optval
7483e694 1536 ;;
0f010b2f 1537 --extra-libs=*) add_extralibs $optval
7483e694 1538 ;;
8fb1cb58 1539 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1540 ;;
40bcf4c7
BL
1541 --enable-debug=*) debuglevel="$optval"
1542 ;;
36e2dea0 1543 --disable-everything)
e0e335a0 1544 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1545 ;;
7483e694 1546 --enable-*=*|--disable-*=*)
8b93ddc3 1547 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1548 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1549 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1550 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1551 $action $(filter "$name" $list)
7483e694
DB
1552 ;;
1553 --enable-?*|--disable-?*)
5e622c40 1554 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1555 if is_in $option $COMPONENT_LIST; then
fed5d54b 1556 test $action = disable && action=unset
e3773a55
MR
1557 eval $action \$$(toupper ${option%s})_LIST
1558 elif is_in $option $CMDLINE_SELECT; then
1559 $action $option
1560 else
1561 die_unknown $opt
1562 fi
7483e694
DB
1563 ;;
1564 --list-*)
1565 NAME="${opt#--list-}"
1566 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1567 NAME=${NAME%s}
1568 eval show_list $NAME \$$(toupper $NAME)_LIST
1569 ;;
1570 --help|-h) show_help
1571 ;;
1572 *)
884a36a7 1573 optname="${opt%%=*}"
26759c44
MR
1574 optname="${optname#--}"
1575 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1576 if is_in $optname $CMDLINE_SET; then
1577 eval $optname='$optval'
1578 elif is_in $optname $CMDLINE_APPEND; then
1579 append $optname "$optval"
1580 else
1581 die_unknown $opt
1582 fi
7483e694
DB
1583 ;;
1584 esac
c597172e
MR
1585done
1586
bcea99bb
MR
1587disabled logging && logfile=/dev/null
1588
13cbe2c0 1589echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1590set >> $logfile
1591
9da6609f
MR
1592test -n "$cross_prefix" && enable cross_compile
1593
8d4c00ed
MR
1594if enabled cross_compile; then
1595 test -n "$arch" && test -n "$target_os" ||
1596 die "Must specify target arch and OS when cross-compiling"
1597fi
1598
1599set_default arch target_os
1600
121d78d0 1601ar_default="${cross_prefix}${ar_default}"
11e6d03a 1602cc_default="${cross_prefix}${cc_default}"
20e0ed95 1603nm_default="${cross_prefix}${nm_default}"
adb2b908 1604ranlib="${cross_prefix}${ranlib}"
4f837398 1605strip_default="${cross_prefix}${strip_default}"
adb2b908 1606
c5200f17
MR
1607sysinclude_default="${sysroot}/usr/include"
1608
4f837398 1609set_default cc nm strip sysinclude
9da6609f
MR
1610enabled cross_compile || host_cc_default=$cc
1611set_default host_cc
13c7df3d 1612
82bb3329
MR
1613exesuf() {
1614 case $1 in
1615 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1616 esac
1617}
1618
1619EXESUF=$(exesuf $target_os)
1620HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1621
e4e69e0b 1622# set temporary file name
a49d42c2 1623: ${TMPDIR:=$TEMPDIR}
c51fafa1 1624: ${TMPDIR:=$TMP}
a49d42c2 1625: ${TMPDIR:=/tmp}
e4e69e0b 1626
54460a83
MR
1627if ! check_cmd type mktemp; then
1628 # simple replacement for missing mktemp
1629 # NOT SAFE FOR GENERAL USE
1630 mktemp(){
1631 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1632 }
1633fi
1634
1635tmpfile(){
1636 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1637 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1638 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1639 append TMPFILES $tmp
1640 eval $1=$tmp
1641}
1642
1643trap 'rm -f -- $TMPFILES' EXIT
1644trap exit HUP INT TERM
1645
1646tmpfile TMPC .c
1647tmpfile TMPE $EXESUF
1648tmpfile TMPH .h
1649tmpfile TMPO .o
1650tmpfile TMPS .S
a482e61b 1651tmpfile TMPV .ver
54460a83
MR
1652tmpfile TMPSH .sh
1653
1654unset -f mktemp
e4e69e0b 1655
993f2d0f
MR
1656# make sure we can execute files in $TMPDIR
1657cat > $TMPSH 2>> $logfile <<EOF
1658#! /bin/sh
1659EOF
1660chmod +x $TMPSH >> $logfile 2>&1
1661if ! $TMPSH >> $logfile 2>&1; then
1662 cat <<EOF
1663Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1664variable to another directory and make sure that it is not mounted noexec.
1665EOF
1666 die "Sanity test failed."
1667fi
993f2d0f 1668
19b4c628
MR
1669filter_cflags=echo
1670filter_cppflags=echo
1671filter_asflags=echo
1672
8f0c157a 1673if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1674 cc_type=gcc
a3d7c197 1675 cc_version=__VERSION__
aef6bd1b
MR
1676 if ! $cc -dumpversion | grep -q '^2\.'; then
1677 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1678 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1679 fi
14ca9cd0
MR
1680 speed_cflags='-O3'
1681 size_cflags='-Os'
629687f6
MR
1682elif $cc --version 2>/dev/null | grep -q Intel; then
1683 cc_type=icc
6e3fa35d 1684 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1685 CC_DEPFLAGS='-MMD'
1686 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1687 speed_cflags='-O3'
1688 size_cflags='-Os'
b05394a0 1689 noopt_cflags='-O1'
629687f6
MR
1690elif $cc -v 2>&1 | grep -q xlc; then
1691 cc_type=xlc
6e3fa35d 1692 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1693 speed_cflags='-O5'
1694 size_cflags='-O5 -qcompact'
df442a8d
MR
1695elif $cc -V 2>/dev/null | grep -q Compaq; then
1696 cc_type=ccc
6e3fa35d 1697 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1698 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1699 debuglevel=3
df442a8d 1700 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1701 speed_cflags='-fast'
1702 size_cflags='-O1'
6a0d5493 1703elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1704 test -d "$sysroot" || die "No valid sysroot specified."
1705 cc_type=armcc
6e3fa35d 1706 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1707 armcc_conf="$PWD/armcc.conf"
1708 $cc --arm_linux_configure \
1709 --arm_linux_config_file="$armcc_conf" \
1710 --configure_sysroot="$sysroot" \
1711 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1712 die "Error creating armcc configuration file."
1713 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1714 as_default="${cross_prefix}gcc"
07dec06e
MR
1715 CC_DEPFLAGS='-MMD'
1716 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1717 speed_cflags='-O3'
1718 size_cflags='-Os'
6fec122a
MR
1719elif $cc -version 2>/dev/null | grep -q TMS470; then
1720 cc_type=tms470
6e3fa35d 1721 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1722 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1723 CC_O='-fr=$(@D)'
1724 as_default="${cross_prefix}gcc"
1725 ld_default="${cross_prefix}gcc"
6fec122a
MR
1726 TMPO=$(basename $TMPC .c).o
1727 append TMPFILES $TMPO
1728 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1729 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1730 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1731 speed_cflags='-O3 -mf=5'
1732 size_cflags='-O3 -mf=2'
6fec122a
MR
1733 filter_cflags=tms470_flags
1734 tms470_flags(){
1735 for flag; do
1736 case $flag in
1737 -march=*|-mcpu=*)
1738 case "${flag#*=}" in
1739 armv7-a|cortex-a*) echo -mv=7a8 ;;
1740 armv7-r|cortex-r*) echo -mv=7r4 ;;
1741 armv7-m|cortex-m*) echo -mv=7m3 ;;
1742 armv6*|arm11*) echo -mv=6 ;;
1743 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1744 echo -mv=5e ;;
1745 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1746 esac
1747 ;;
1748 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1749 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1750 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1751 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1752 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1753 -g) echo -g -mn ;;
587d24ff 1754 -pds=*) echo $flag ;;
6fec122a
MR
1755 esac
1756 done
1757 }
06da6943
DC
1758elif $cc -v 2>&1 | grep -q clang; then
1759 cc_type=clang
1760 cc_version=__VERSION__
1761 CC_DEPFLAGS='-MMD'
1762 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1763 speed_cflags='-O3'
1764 size_cflags='-Os'
2a472e9c
MK
1765elif $cc -V 2>&1 | grep -q Sun; then
1766 cc_type=suncc
1767 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1768 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1769 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1770 speed_cflags='-O5'
1771 size_cflags='-O5 -xspace'
03279bbe
MK
1772 filter_cflags=suncc_flags
1773 suncc_flags(){
1774 for flag; do
1775 case $flag in
1776 -march=*|-mcpu=*)
1777 case "${flag#*=}" in
1778 native) echo -xtarget=native ;;
87ddc38b 1779 v9|niagara) echo -xarch=sparc ;;
03279bbe 1780 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 1781 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
1782 i586|pentium) echo -xchip=pentium ;;
1783 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1784 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1785 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1786 pentium4*) echo -xtarget=pentium4 ;;
1787 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1788 *-sse3) echo -xarch=sse3 ;;
1789 core2) echo -xarch=ssse3 -xchip=core2 ;;
1790 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1791 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1792 k8|opteron|athlon64|athlon-fx)
1793 echo -xarch=sse2a ;;
1794 athlon*) echo -xarch=pentium_proa ;;
1795 esac
1796 ;;
1797 -std=c99) echo -xc99 ;;
1798 -fomit-frame-pointer) echo -xregs=frameptr ;;
1799 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1800 -W*,*) echo $flag ;;
1801 -f*-*|-W*) ;;
1802 *) echo $flag ;;
1803 esac
1804 done
1805 }
629687f6
MR
1806fi
1807
851ffa80
MR
1808test -n "$cc_type" && enable $cc_type ||
1809 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 1810
75bafbac 1811: ${as_default:=$cc}
50567afa 1812: ${dep_cc_default:=$cc}
684b28e0 1813: ${ld_default:=$cc}
121d78d0 1814set_default ar as dep_cc ld
75800dce 1815
07dec06e
MR
1816test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1817test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1818
7f32f40c 1819add_cflags $extra_cflags
2f2e6c7c 1820add_asflags $extra_cflags
7f32f40c 1821
154d432c
MR
1822if test -n "$sysroot"; then
1823 case "$cc_type" in
1824 gcc)
467256f2 1825 add_cppflags --sysroot="$sysroot"
154d432c
MR
1826 add_ldflags --sysroot="$sysroot"
1827 ;;
6fec122a
MR
1828 tms470)
1829 add_cppflags -I"$sysinclude"
1830 add_ldflags --sysroot="$sysroot"
1831 ;;
06da6943 1832 clang)
4def700e
DC
1833 add_cppflags -isysroot "$sysroot"
1834 add_ldflags -isysroot "$sysroot"
06da6943 1835 ;;
154d432c
MR
1836 esac
1837fi
1838
d22c13a8
MR
1839if test "$cpu" = host; then
1840 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1841
1842 case "$cc_type" in
1843 gcc)
1844 check_native(){
1845 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1846 sed -n "/$1=/{
1847 s/.*$1=\\([^ ]*\\).*/\\1/
1848 p
1849 q
1850 }" $TMPE
d22c13a8
MR
1851 }
1852 cpu=$(check_native -march || check_native -mcpu)
1853 ;;
1854 esac
1855
1856 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1857fi
1858
e939cedd
MR
1859# Deal with common $arch aliases
1860case "$arch" in
1861 arm*)
1862 arch="arm"
1863 ;;
1864 mips|mipsel|IP*)
1865 arch="mips"
1866 ;;
47b1860e 1867 mips64*)
e939cedd
MR
1868 arch="mips"
1869 subarch="mips64"
1870 ;;
1871 parisc|hppa)
1872 arch="parisc"
1873 ;;
1874 parisc64|hppa64)
1875 arch="parisc"
1876 subarch="parisc64"
1877 ;;
1878 "Power Macintosh"|ppc|powerpc)
1879 arch="ppc"
1880 ;;
47b1860e 1881 ppc64|powerpc64)
e939cedd
MR
1882 arch="ppc"
1883 subarch="ppc64"
1884 ;;
1885 s390|s390x)
1886 arch="s390"
1887 ;;
1888 sh4|sh)
1889 arch="sh4"
1890 ;;
1891 sun4u|sparc64)
1892 arch="sparc"
1893 subarch="sparc64"
1894 ;;
1895 i[3-6]86|i86pc|BePC|x86_64|amd64)
1896 arch="x86"
1897 ;;
1898esac
1899
851ffa80 1900is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 1901enable $arch
e939cedd 1902
df5cdc24 1903# Add processor-specific flags
5d54c126
MR
1904if test "$cpu" = generic; then
1905 : do nothing
1906elif enabled ppc; then
343aef9b 1907
56348891
MR
1908 case $(tolower $cpu) in
1909 601|ppc601|powerpc601)
9dbd5c3d 1910 cpuflags="-mcpu=601"
64ad53ff 1911 disable altivec
9dbd5c3d 1912 ;;
56348891 1913 603*|ppc603*|powerpc603*)
9dbd5c3d 1914 cpuflags="-mcpu=603"
64ad53ff 1915 disable altivec
9dbd5c3d 1916 ;;
56348891 1917 604*|ppc604*|powerpc604*)
9dbd5c3d 1918 cpuflags="-mcpu=604"
64ad53ff 1919 disable altivec
9dbd5c3d 1920 ;;
56348891 1921 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1922 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1923 disable altivec
9dbd5c3d 1924 ;;
56348891 1925 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1926 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1927 ;;
56348891 1928 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1929 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1930 ;;
56348891 1931 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1932 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1933 ;;
56348891 1934 cell)
9dbd5c3d
MR
1935 cpuflags="-mcpu=cell"
1936 enable ldbrx
1937 ;;
7b0b81a1
AL
1938 e500v2)
1939 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1940 disable altivec
1941 ;;
1942 e500)
1943 cpuflags="-mcpu=8540 -mhard-float"
1944 disable altivec
1945 ;;
9dbd5c3d 1946 esac
343aef9b
MR
1947
1948elif enabled x86; then
1949
9dbd5c3d
MR
1950 case $cpu in
1951 i[345]86|pentium)
1952 cpuflags="-march=$cpu"
1953 disable mmx
1954 ;;
1955 # targets that do NOT support conditional mov (cmov)
1956 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1957 cpuflags="-march=$cpu"
1958 disable cmov
1959 ;;
1960 # targets that do support conditional mov (cmov)
a65e687b 1961 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
9dbd5c3d
MR
1962 cpuflags="-march=$cpu"
1963 enable cmov
1964 enable fast_cmov
1965 ;;
1966 # targets that do support conditional mov but on which it's slow
1967 pentium4|pentium4m|prescott|nocona)
1968 cpuflags="-march=$cpu"
1969 enable cmov
1970 disable fast_cmov
1971 ;;
1972 esac
343aef9b
MR
1973
1974elif enabled sparc; then
1975
9dbd5c3d 1976 case $cpu in
26b7199e
MK
1977 niagara)
1978 cpuflags="-mcpu=$cpu"
1979 disable vis
1980 ;;
9dbd5c3d
MR
1981 sparc64)
1982 cpuflags="-mcpu=v9"
1983 ;;
1984 esac
343aef9b
MR
1985
1986elif enabled arm; then
1987
34ba23c9
MR
1988 case $cpu in
1989 armv*)
1990 cpuflags="-march=$cpu"
1991 ;;
1992 *)
1993 cpuflags="-mcpu=$cpu"
1994 ;;
1995 esac
343aef9b
MR
1996
1997elif enabled alpha; then
1998
34ba23c9 1999 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2000
2001elif enabled bfin; then
2002
34ba23c9 2003 cpuflags="-mcpu=$cpu"
343aef9b
MR
2004
2005elif enabled mips; then
2006
34ba23c9 2007 cpuflags="-march=$cpu"
343aef9b
MR
2008
2009elif enabled avr32; then
2010
9dbd5c3d
MR
2011 case $cpu in
2012 ap7[02]0[0-2])
2013 subarch="avr32_ap"
2014 cpuflags="-mpart=$cpu"
2015 ;;
2016 ap)
2017 subarch="avr32_ap"
2018 cpuflags="-march=$cpu"
2019 ;;
2020 uc3[ab]*)
2021 subarch="avr32_uc"
2022 cpuflags="-mcpu=$cpu"
2023 ;;
2024 uc)
2025 subarch="avr32_uc"
2026 cpuflags="-march=$cpu"
2027 ;;
2028 esac
df5cdc24 2029
343aef9b
MR
2030fi
2031
df5cdc24
MR
2032add_cflags $cpuflags
2033add_asflags $cpuflags
2034
993f2d0f
MR
2035# compiler sanity check
2036check_exec <<EOF
2037int main(void){ return 0; }
2038EOF
2039if test "$?" != 0; then
2040 echo "$cc is unable to create an executable file."
2041 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2042 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2043 echo "Only do this if you know what cross compiling means."
2044 fi
2045 die "C compiler test failed."
2046fi
2047
38a9c529 2048add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2049check_cflags -std=c99
50a334e4 2050check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2051#include <stdlib.h>
2052EOF
50a334e4 2053check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2054#include <stdlib.h>
2055EOF
e9b9a2f8 2056
f0125de9
MR
2057check_host_cflags -std=c99
2058
b24dbcbd 2059case "$arch" in
e939cedd 2060 alpha|ia64|mips|parisc|sparc)
8a3c8627 2061 spic=$shared
b24dbcbd 2062 ;;
e939cedd 2063 x86)
cfdb6148 2064 subarch="x86_32"
e939cedd 2065 check_cc <<EOF && subarch="x86_64"
58b3536d 2066 int test[(int)sizeof(char*) - 7];
cfdb6148 2067EOF
de27f4d9 2068 if test "$subarch" = "x86_64"; then
e939cedd 2069 spic=$shared
de27f4d9 2070 fi
b24dbcbd 2071 ;;
b24dbcbd
RP
2072esac
2073
343aef9b 2074enable $subarch
8a3c8627 2075enabled spic && enable pic
b24dbcbd 2076
7483e694 2077# OS specific
4f854758 2078case $target_os in
a1629e28 2079 haiku)
63ae7e7c 2080 prefix_default="/boot/common"
108caaaa 2081 network_extralibs="-lnetwork"
a1629e28 2082 ;;
7483e694
DB
2083 sunos)
2084 FFSERVERLDFLAGS=""
9987769a 2085 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2086 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2087 network_extralibs="-lsocket -lnsl"
50a334e4 2088 add_cppflags -D__EXTENSIONS__
8182dc34 2089 nm_opts='-P -g'
7483e694
DB
2090 ;;
2091 netbsd)
07a8eef6
MR
2092 oss_indev_extralibs="-lossaudio"
2093 oss_outdev_extralibs="-lossaudio"
2138dc99 2094 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2095 ;;
2096 openbsd)
89e053f8 2097 enable malloc_aligned
7c4a001a
MR
2098 # On OpenBSD 4.5. the compiler does not use PIC unless
2099 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2100 # however the generated executable will not do anything
2101 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2102 # Thus explicitly enable PIC here.
cd78208b 2103 enable pic
7483e694 2104 SHFLAGS='-shared'
07a8eef6
MR
2105 oss_indev_extralibs="-lossaudio"
2106 oss_outdev_extralibs="-lossaudio"
7483e694 2107 ;;
90b4f091 2108 freebsd|dragonfly)
89e053f8 2109 enable malloc_aligned
7483e694
DB
2110 ;;
2111 bsd/os)
2112 osextralibs="-lpoll -lgnugetopt"
2113 strip="strip -d"
2114 ;;
2115 darwin)
89e053f8 2116 enable malloc_aligned
0138c54e 2117 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
be90cd27 2118 strip="${strip} -x"
7483e694
DB
2119 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2120 SLIBSUF=".dylib"
2121 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2122 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2123 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2124 objformat="macho"
1b0f6fb8 2125 enabled x86_64 && objformat="macho64"
8dfa86f7 2126 enabled_any pic shared ||
2704bd1a 2127 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2128 ;;
2129 mingw32*)
9d3f4f50 2130 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2131 disable network
2132 else
2133 target_os=mingw32
2134 fi
dcc01c06 2135 LIBTARGET=i386
1fc9fb8a 2136 if enabled x86_64; then
89e053f8 2137 enable malloc_aligned
dcc01c06 2138 LIBTARGET=x64
336cc1b0
MS
2139 elif enabled arm; then
2140 LIBTARGET=arm
dcc01c06 2141 fi
fbd971a4 2142 shlibdir_default="$bindir_default"
7483e694
DB
2143 disable ffserver
2144 SLIBPREF=""
2145 SLIBSUF=".dll"
7483e694
DB
2146 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2147 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2148 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2149 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2150 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2151 install -d "$(LIBDIR)"; \
2152 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2153 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2154 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2155 objformat="win32"
bc574408 2156 enable dos_paths
1894e741 2157 check_cflags -fno-common
b1549d61 2158 if ! enabled x86_64; then
f7ad5aa2
RP
2159 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2160 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2161 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2162 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2163 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2164 fi
7483e694
DB
2165 ;;
2166 cygwin*)
4f854758 2167 target_os=cygwin
fbd971a4 2168 shlibdir_default="$bindir_default"
7483e694
DB
2169 SLIBPREF="cyg"
2170 SLIBSUF=".dll"
2171 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2172 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2173 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2174 objformat="win32"
bc574408 2175 enable dos_paths
1894e741 2176 check_cflags -fno-common
7483e694 2177 ;;
4f365f37 2178 *-dos|freedos|opendos)
fdf11906 2179 disable ffplay ffserver
4f365f37
MK
2180 disable $INDEV_LIST $OUTDEV_LIST
2181 network_extralibs="-lsocket"
ff1c015d 2182 objformat="coff"
bc574408 2183 enable dos_paths
4f365f37 2184 ;;
7483e694 2185 linux)
7483e694
DB
2186 enable dv1394
2187 ;;
2188 irix*)
4f854758 2189 target_os=irix
7483e694
DB
2190 ranlib="echo ignoring ranlib"
2191 ;;
d22e8442 2192 os/2*)
d22e8442
DY
2193 strip="lxlite"
2194 ln_s="cp -f"
d22e8442 2195 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2196 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2197 FFSERVERLDFLAGS=""
287d3b13 2198 LIBSUF="_s.a"
d22e8442
DY
2199 SLIBPREF=""
2200 SLIBSUF=".dll"
2201 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2202 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2203 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2204 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2205 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2206 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2207 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2208 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2209 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2210 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2211 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2212 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2213 enable dos_paths
d22e8442 2214 ;;
83993c1c
AM
2215 gnu/kfreebsd)
2216 ;;
34e82167 2217 gnu)
34e82167 2218 ;;
614d8911
MR
2219 none)
2220 ;;
7483e694 2221 *)
4f924f9a 2222 die "Unknown OS '$target_os'."
7483e694
DB
2223 ;;
2224esac
2225
13cb2187
AS
2226check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2227
c9d19248
MR
2228set_default $PATHS_LIST
2229
c597172e 2230add_extralibs $osextralibs
de6d9b64 2231
28d8e661
DB
2232# Combine FFLDFLAGS and the LDFLAGS environment variable.
2233LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2234
320d060a 2235# we need to build at least one lib type
93b3c083 2236if ! enabled_any static shared; then
320d060a
DB
2237 cat <<EOF
2238At least one library type must be built.
2239Specify --enable-static to build the static libraries or --enable-shared to
2240build the shared libraries as well. To only build the shared libraries specify
2241--disable-static in addition to --enable-shared.
2242EOF
2243 exit 1;
2244fi
2245
abc4e572 2246disabled static && LIBNAME=""
2a320695 2247
2184c6f7 2248die_license_disabled() {
4c27207c 2249 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2250}
2251
2184c6f7
DB
2252die_license_disabled gpl libx264
2253die_license_disabled gpl libxvid
2254die_license_disabled gpl postproc
2255die_license_disabled gpl x11grab
2256
2f7ae63b 2257die_license_disabled nonfree libfaac
b2e3c528 2258
0b175caa
DB
2259die_license_disabled version3 libopencore_amrnb
2260die_license_disabled version3 libopencore_amrwb
2261
9cad0e4e 2262enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2263
9eeed841 2264check_deps $ARCH_EXT_LIST
0f3cb305 2265
40617a6d 2266disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2267
e276d9e8
MR
2268enable_pic() {
2269 enable pic
bce7b696
MR
2270 add_cppflags -DPIC
2271 add_cflags -fPIC
2272 add_asflags -fPIC
e276d9e8
MR
2273}
2274
2275enabled pic && enable_pic
bce7b696 2276
b4d96ba2
MR
2277check_cc <<EOF || die "Symbol mangling check failed."
2278int ff_extern;
2279EOF
8182dc34 2280sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2281extern_prefix=${sym%%ff_extern*}
2282
f65883c8
MR
2283check_cc <<EOF && enable inline_asm
2284void foo(void) { __asm__ volatile ("" ::); }
2285EOF
61d251db 2286
df5e3978
MR
2287_restrict=
2288for restrict_keyword in restrict __restrict__ __restrict; do
2289 check_cc <<EOF && _restrict=$restrict_keyword && break
2290void foo(char * $restrict_keyword p);
2291EOF
2292done
2293
2294check_cc <<EOF && enable attribute_packed
2295struct { int x; } __attribute__((packed)) x;
2296EOF
2297
dffb41b9
MR
2298check_cc <<EOF && enable attribute_may_alias
2299union { int x; } __attribute__((may_alias)) x;
2300EOF
2301
df5e3978
MR
2302check_cc <<EOF || die "endian test failed"
2303unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2304EOF
48fc536a 2305od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2306
e939cedd
MR
2307if enabled alpha; then
2308
2309 check_cflags -mieee
2310
2311elif enabled arm; then
e45391bb 2312
50fa82e6
MR
2313 check_cflags -marm
2314
fa0912fe
MR
2315 check_ld <<EOF && enable vfp_args
2316__asm__ (".eabi_attribute 28, 1");
2317int main(void) { return 0; }
2318EOF
2319
2320 # We have to check if pld is a nop and disable it.
2321 check_asm pld '"pld [r0]"'
2322
2323 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2324 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2325 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2326 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2327 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2328 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2329
e276d9e8
MR
2330 enabled_all armv6t2 shared !pic && enable_pic
2331
fa0912fe 2332elif enabled mips; then
e45391bb 2333
fa0912fe
MR
2334 check_asm loongson '"dmult.g $1, $2, $3"'
2335 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2336
fa0912fe 2337elif enabled ppc; then
e45391bb 2338
e6a0c354
MR
2339 enable local_aligned_8 local_aligned_16
2340
fa0912fe
MR
2341 check_asm dcbzl '"dcbzl 0, 1"'
2342 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2343 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2344
2345 # AltiVec flags: The FSF version of GCC differs from the Apple version
2346 if enabled altivec; then
2347 check_cflags -maltivec -mabi=altivec &&
2348 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2349 check_cflags -faltivec
2350
2351 # check if our compiler supports Motorola AltiVec C API
2352 check_cc <<EOF || disable altivec
2353$inc_altivec_h
2354int main(void) {
2355 vector signed int v1, v2, v3;
2356 v1 = vec_add(v2,v3);
2357 return 0;
2358}
2359EOF
2360
2361 # check if our compiler supports braces for vector declarations
2362 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2363$inc_altivec_h
2364int main (void) { (vector int) {1}; return 0; }
2365EOF
2366 fi
e45391bb 2367
fa0912fe 2368elif enabled sparc; then
e45391bb 2369
fa0912fe
MR
2370 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2371 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2372
fa0912fe 2373elif enabled x86; then
e45391bb 2374
e6a0c354
MR
2375 enable local_aligned_8 local_aligned_16
2376
44965991
PI
2377 # check whether EBP is available on x86
2378 # As 'i' is stored on the stack, this program will crash
2379 # if the base pointer is used to access it because the
2380 # base pointer is cleared in the inline assembly code.
7dfef245 2381 check_exec_crash <<EOF && enable ebp_available
44965991 2382 volatile int i=0;
be449fca 2383 __asm__ volatile (
44965991
PI
2384 "xorl %%ebp, %%ebp"
2385 ::: "%ebp");
2386 return i;
44965991
PI
2387EOF
2388
f494213c 2389 # check whether EBX is available on x86
7cee5421
MR
2390 check_asm ebx_available '""::"b"(0)' &&
2391 check_asm ebx_available '"":::"%ebx"'
8e380710 2392
d3a4b4e0
DB
2393 # check whether more than 10 operands are supported
2394 check_cc <<EOF && enable ten_operands
2395int main(void) {
2396 int x=0;
2397 __asm__ volatile(
2398 ""
2399 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2400 );
2401 return 0;
2402}
2403EOF
2404
d7f0920b 2405 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2406 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2407 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2408
2409 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2410
d52481b9 2411 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2412 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2413 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2414 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2415 case "$objformat" in
2416 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2417 esac
31a0dcb2
MR
2418 if ! disabled yasm; then
2419 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2420 warn "yasm not found, performance will suffer"
2421 fi
e45391bb 2422
669b5583
MR
2423 case "$cpu" in
2424 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2425 disable fast_clz
2426 ;;
2427 esac
2428
44965991
PI
2429fi
2430
a98bb16d
RP
2431if check_func dlopen; then
2432 ldl=
2433elif check_func dlopen -ldl; then
2434 ldl=-ldl
8bf5d58f
MN
2435fi
2436
75ecf149
DB
2437# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2438check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2439
7483e694 2440check_func fork
84882df6 2441check_func getaddrinfo $network_extralibs
7483e694
DB
2442check_func gethrtime
2443check_func getrusage
fc5607f8 2444check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2445check_func inet_aton $network_extralibs
abfc8d05 2446check_func isatty
4ae40685 2447check_func ${malloc_prefix}memalign && enable memalign
7483e694 2448check_func mkstemp
4ae40685 2449check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2450check_func setrlimit
87958234 2451check_func strerror_r
b507ebd1 2452check_func_headers io.h setmode
e4673692 2453check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2454check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2455check_func_headers windows.h GetProcessTimes
7c5bfe7a 2456check_func_headers windows.h VirtualAlloc
6ffa87d3 2457
e16e49ac 2458check_header conio.h
a98bb16d 2459check_header dlfcn.h
92c6a099 2460check_header dxva2api.h
a98bb16d 2461check_header malloc.h
bf6ce82d 2462check_header poll.h
b58412f1 2463check_header sys/mman.h
b091aa44 2464check_header sys/resource.h
bf6ce82d 2465check_header sys/select.h
a98bb16d 2466check_header termios.h
272081b0
CEH
2467check_header vdpau/vdpau.h
2468check_header vdpau/vdpau_x11.h
68178ca9 2469check_header X11/extensions/XvMClib.h
a98bb16d 2470
9104cd51
RP
2471check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2472
89e053f8
MR
2473if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2474 enabled_any $need_memalign ; then
1f91cdce 2475 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2476fi
e16e49ac 2477
a4fa192c 2478disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2479disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2480
2481# check for some common methods of building with pthread support
2482# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
2483if ! disabled pthreads && ! enabled w32threads; then
2484 enable pthreads
9e7fd101
MR
2485 if check_func pthread_create; then
2486 :
2487 elif check_func pthread_create -pthread; then
2488 add_cflags -pthread
afc9aee2 2489 add_extralibs -pthread
9e7fd101
MR
2490 elif check_func pthread_create -pthreads; then
2491 add_cflags -pthreads
afc9aee2 2492 add_extralibs -pthreads
8d94f606
GT
2493 elif check_func pthread_create -lpthreadGC2; then
2494 add_extralibs -lpthreadGC2
9e7fd101 2495 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 2496 disable pthreads
9e7fd101 2497 fi
57bd82d4
MR
2498fi
2499
8eee7025 2500for thread in $THREADS_LIST; do
e5f94c2b 2501 if enabled $thread; then
3ae3b721
RP
2502 test -n "$thread_type" &&
2503 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2504 thread_type="$thread"
e5f94c2b
RP
2505 fi
2506done
2507
fdf88598 2508check_lib math.h sin -lm
edd43c95 2509disabled vaapi || check_lib va/va.h vaInitialize -lva
fdf88598 2510
645d2652
MR
2511check_mathfunc exp2
2512check_mathfunc exp2f
2513check_mathfunc llrint
07876e25 2514check_mathfunc llrintf
645d2652
MR
2515check_mathfunc log2
2516check_mathfunc log2f
2517check_mathfunc lrint
2518check_mathfunc lrintf
2519check_mathfunc round
2520check_mathfunc roundf
2521check_mathfunc truncf
f32adb22 2522
57bd82d4 2523# these are off by default, so fail if requested and not available
a1b3c5a3 2524enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2525enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2526 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2527 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097 2528enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5af41508 2529enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
eb7626a3 2530enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
7483e694 2531enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
eb7626a3
MR
2532enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2533enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3d6fac8c 2534enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3a9bc39e 2535enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
36718e51
DB
2536enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2537 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2538enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2539enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2540enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
ee0e9146
JZ
2541enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2542 require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
eb7626a3 2543enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
652d9d24
JGG
2544 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2545 die "ERROR: libx264 version must be >= 0.98."; }
2bfecf73 2546enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2547enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2548
0b4a1821
AS
2549# libdc1394 check
2550if enabled libdc1394; then
2551 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2552 enable libdc1394_2; } ||
2553 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2554 enable libdc1394_1; } ||
2555 die "ERROR: No version of libdc1394 found "
2556fi
2557
6a1a892f 2558SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2559if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2560 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2561 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2562 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2563 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2564 enable sdl &&
2565 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2566fi
57bd82d4 2567
2270b4b2 2568texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2569
73b46a95 2570if enabled network; then
96000432 2571 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2572 check_type netdb.h "struct addrinfo"
b4d68544
MS
2573 check_type netinet/in.h "struct ipv6_mreq"
2574 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2575 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2576 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2577 # Prefer arpa/inet.h over winsock2
2578 if check_header arpa/inet.h ; then
2579 check_func closesocket
2580 elif check_header winsock2.h ; then
f4c13872
MS
2581 check_func_headers winsock2.h closesocket -lws2 && \
2582 network_extralibs="-lws2" || \
2583 { check_func_headers winsock2.h closesocket -lws2_32 && \
2584 network_extralibs="-lws2_32"; }
72be9e73 2585 check_type ws2tcpip.h socklen_t
c0018613 2586 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2587 check_type ws2tcpip.h "struct ipv6_mreq"
2588 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2589 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2590 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2591 else
2592 disable network
73b46a95
RP
2593 fi
2594fi
2595
06e31011
RP
2596check_header linux/videodev.h
2597check_header linux/videodev2.h
1b6e8b73 2598check_header sys/videoio.h
47f38850 2599
27796dc3 2600check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2601
f8aa696f 2602# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2603{ check_header dev/bktr/ioctl_meteor.h &&
2604 check_header dev/bktr/ioctl_bt848.h; } ||
2605{ check_header machine/ioctl_meteor.h &&
2606 check_header machine/ioctl_bt848.h; } ||
2607{ check_header dev/video/meteor/ioctl_meteor.h &&
2608 check_header dev/video/bktr/ioctl_bt848.h; } ||
2609check_header dev/ic/bt8xx.h
f8aa696f 2610
c7682de0
RP
2611check_header sys/soundcard.h
2612check_header soundcard.h
deb29777 2613
b6f3d925 2614enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2615
0e57fe17 2616enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2617
56a059ac 2618enabled x11grab &&
f58f4ce1
GP
2619check_header X11/Xlib.h &&
2620check_header X11/extensions/XShm.h &&
0a045661 2621check_header X11/extensions/Xfixes.h &&
f58f4ce1 2622check_func XOpenDisplay -lX11 &&
781c1aa6
R
2623check_func XShmCreateImage -lX11 -lXext &&
2624check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2625
598ef02b 2626if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2627check_cpp_condition \
2628 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2629 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2630 disable vdpau; }
abf649c7 2631fi
deda2a4a 2632
95e561ec 2633enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2634
2635# add some useful compiler flags if supported
2636check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2637check_cflags -Wall
2638check_cflags -Wno-switch
c07bd6a9
MN
2639check_cflags -Wdisabled-optimization
2640check_cflags -Wpointer-arith
2641check_cflags -Wredundant-decls
cc1fb623 2642check_cflags -Wno-pointer-sign
f4929996 2643check_cflags -Wcast-qual
9aceb3cf 2644check_cflags -Wwrite-strings
652a5bf6 2645check_cflags -Wtype-limits
764551c6 2646check_cflags -Wundef
fc298fd9 2647check_cflags -Wmissing-prototypes
5af4e0cc 2648enabled extra_warnings && check_cflags -Winline
cf9d24ad 2649
57bd82d4 2650# add some linker flags
5c0e9479 2651check_ldflags -Wl,--warn-common
8351d2ba
DB
2652check_ldflags -Wl,--as-needed
2653check_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 2654check_ldflags -Wl,-Bsymbolic
94a3401e 2655
a482e61b 2656echo "X{};" > $TMPV
b462d132 2657if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 2658 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
2659 check_cc <<EOF && enable symver_asm_label
2660void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 2661void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
2662EOF
2663 check_cc <<EOF && enable symver_gnu_asm
2664__asm__(".symver ff_foo,av_foo@VERSION");
2665void ff_foo(void) {}
2666EOF
2667fi
a482e61b 2668
bd2216e4 2669if enabled small; then
14ca9cd0 2670 add_cflags $size_cflags
8400d6b8
DB
2671 optimizations="small"
2672elif enabled optimizations; then
14ca9cd0 2673 add_cflags $speed_cflags
b05394a0
MR
2674else
2675 add_cflags $noopt_cflags
cddf3f45 2676fi
11fdbc44 2677check_cflags -fno-math-errno
b2eb2ff0 2678check_cflags -fno-signed-zeros
cddf3f45 2679
629687f6 2680if enabled icc; then
b1598b58
MR
2681 # Just warnings, no remarks
2682 check_cflags -w1
2683 # -wd: Disable following warnings
2684 # 144, 167, 556: -Wno-pointer-sign
2685 # 10006: ignoring unknown option -fno-signed-zeros
2686 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2687 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2688 # 11030: Warning unknown option --as-needed
2689 # 10156: ignoring option '-export'; no argument required
2690 check_ldflags -wd10156,11030
2691 # Allow to compile with optimizations
2692 check_ldflags -march=$cpu
be2cf98a
CEH
2693 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2694 enable ebp_available
df442a8d
MR
2695elif enabled ccc; then
2696 # disable some annoying warnings
2697 add_cflags -msg_disable cvtu32to64
2698 add_cflags -msg_disable embedcomment
2699 add_cflags -msg_disable needconstext
2700 add_cflags -msg_disable nomainieee
2701 add_cflags -msg_disable ptrmismatch1
2702 add_cflags -msg_disable unreachcode
973859f5
MR
2703elif enabled gcc; then
2704 check_cflags -fno-tree-vectorize
62df111c 2705 check_cflags -Werror=implicit
de63bfec 2706 check_cflags -Werror=missing-prototypes
06da6943
DC
2707elif enabled clang; then
2708 check_cflags -Qunused-arguments
138132be
MR
2709elif enabled armcc; then
2710 # 2523: use of inline assembler is deprecated
2711 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2712 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2713elif enabled tms470; then
2714 add_cflags -pds=824 -pds=837
504a64b9
CEH
2715fi
2716
90be59ef 2717if enabled gprof; then
0f010b2f
DB
2718 add_cflags -p
2719 add_ldflags -p
1db54e20
DB
2720fi
2721
7483e694
DB
2722enabled_any $THREADS_LIST && enable threads
2723
2724check_deps $CONFIG_LIST \
b6bb00b0 2725 $CONFIG_EXTRA \
7483e694
DB
2726 $HAVE_LIST \
2727 $DECODER_LIST \
2728 $ENCODER_LIST \
5666fd73 2729 $HWACCEL_LIST \
7483e694
DB
2730 $PARSER_LIST \
2731 $BSF_LIST \
2732 $DEMUXER_LIST \
2733 $MUXER_LIST \
f7679c54 2734 $FILTER_LIST \
7483e694
DB
2735 $INDEV_LIST \
2736 $OUTDEV_LIST \
2737 $PROTOCOL_LIST \
f70f03f6 2738
3bfd582c 2739enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 2740
3e89171a 2741echo "install prefix $prefix"
f36958f8
DB
2742echo "source path $source_path"
2743echo "C compiler $cc"
f36958f8 2744echo "ARCH $arch ($cpu)"
ce8871c2
MR
2745if test "$build_suffix" != ""; then
2746 echo "build suffix $build_suffix"
eb94aca9 2747fi
ac63af34
DB
2748if test "$extra_version" != ""; then
2749 echo "version string suffix $extra_version"
2750fi
0db2ce77 2751echo "big-endian ${bigendian-no}"
e90f5b5a 2752echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2753if enabled x86; then
af44e8e4 2754 echo "yasm ${yasm-no}"
0db2ce77 2755 echo "MMX enabled ${mmx-no}"
30e98e62 2756 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2757 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2758 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2759 echo "SSE enabled ${sse-no}"
30e98e62 2760 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2761 echo "CMOV enabled ${cmov-no}"
2762 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2763 echo "EBX available ${ebx_available-no}"
2764 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2765 echo "10 operands supported ${ten_operands-no}"
e41e8342 2766fi
5b6c2cbd 2767if enabled arm; then
0db2ce77
MR
2768 echo "ARMv5TE enabled ${armv5te-no}"
2769 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2770 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2771 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2772 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2773 echo "NEON enabled ${neon-no}"
eba9ae3c 2774fi
5b6c2cbd 2775if enabled mips; then
0db2ce77 2776 echo "MMI enabled ${mmi-no}"
e41e8342 2777fi
5b6c2cbd 2778if enabled ppc; then
0db2ce77 2779 echo "AltiVec enabled ${altivec-no}"
30e98e62 2780 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2781 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2782 echo "performance report ${powerpc_perf-no}"
2783fi
2784if enabled sparc; then
2785 echo "VIS enabled ${vis-no}"
e41e8342 2786fi
0db2ce77
MR
2787echo "gprof enabled ${gprof-no}"
2788echo "debug symbols ${debug-no}"
87a0fb62 2789echo "strip symbols ${stripping-no}"
8400d6b8 2790echo "optimizations ${optimizations-no}"
0db2ce77
MR
2791echo "static ${static-no}"
2792echo "shared ${shared-no}"
4a24ab64 2793echo "postprocessing support ${postproc-no}"
f7679c54 2794echo "new filter support ${avfilter-no}"
81124ba0 2795echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2796echo "network support ${network-no}"
0db2ce77
MR
2797echo "threading support ${thread_type-no}"
2798echo "SDL support ${sdl-no}"
0db2ce77
MR
2799echo "Sun medialib support ${mlib-no}"
2800echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2801echo "libdc1394 support ${libdc1394-no}"
690bfceb 2802echo "libdirac enabled ${libdirac-no}"
0db2ce77 2803echo "libfaac enabled ${libfaac-no}"
0db2ce77
MR
2804echo "libgsm enabled ${libgsm-no}"
2805echo "libmp3lame enabled ${libmp3lame-no}"
2806echo "libnut enabled ${libnut-no}"
0b175caa
DB
2807echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2808echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2809echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2810echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2811echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2812echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2813echo "libtheora enabled ${libtheora-no}"
2814echo "libvorbis enabled ${libvorbis-no}"
8299a7f8 2815echo "libvpx enabled ${libvpx-no}"
d6bd62db
DB
2816echo "libx264 enabled ${libx264-no}"
2817echo "libxvid enabled ${libxvid-no}"
0db2ce77 2818echo "zlib enabled ${zlib-no}"
f402916e 2819echo "bzlib enabled ${bzlib-no}"
2c62e737 2820echo
de6d9b64 2821
5666fd73 2822for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2823 echo "Enabled ${type}s:"
f65c9da1 2824 eval list=\$$(toupper $type)_LIST
8138b9db 2825 for part in $list; do
f65c9da1
MR
2826 enabled $part && echo ${part%_*}
2827 done | sort | pr -3 -t
2828 echo
8138b9db
RP
2829done
2830
ba7a7039 2831license="LGPL version 2.1 or later"
ba321adb 2832if enabled nonfree; then
ba7a7039 2833 license="nonfree and unredistributable"
9cad0e4e
DB
2834elif enabled gplv3; then
2835 license="GPL version 3 or later"
2836elif enabled lgplv3; then
2837 license="LGPL version 3 or later"
ba321adb 2838elif enabled gpl; then
ba7a7039 2839 license="GPL version 2 or later"
ba321adb
JK
2840fi
2841
2842echo "License: $license"
ca5323af 2843
cf1392e9
DB
2844echo "Creating config.mak and config.h..."
2845
df642790
MR
2846# build tree in object directory if source path is different from current one
2847if enabled source_path_used; then
2848 DIRS="
2849 doc
2850 libavcodec
2851 libavcodec/$arch
2852 libavdevice
2853 libavfilter
2854 libavformat
2855 libavutil
2856 libavutil/$arch
2857 libpostproc
2858 libswscale
2859 libswscale/$arch
2860 tests
2861 tools
2862 "
2863 FILES="
2864 Makefile
2865 common.mak
2866 subdir.mak
2867 doc/texi2pod.pl
2868 libavcodec/Makefile
43f60eba 2869 libavcodec/${arch}/Makefile
df642790
MR
2870 libavdevice/Makefile
2871 libavfilter/Makefile
2872 libavformat/Makefile
2873 libavutil/Makefile
2874 libpostproc/Makefile
2875 libswscale/Makefile
2876 "
e0e335a0 2877 map 'mkdir -p $v' $DIRS;
43f60eba 2878 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2879fi
2880
ad212cc6
MR
2881enabled stripping || strip="echo skipping strip"
2882
173c983b
MR
2883cat > config.mak <<EOF
2884# Automatically generated by configure - do not modify!
2885ifndef FFMPEG_CONFIG_MAK
2886FFMPEG_CONFIG_MAK=1
2887FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2888prefix=$prefix
2889LIBDIR=\$(DESTDIR)$libdir
2890SHLIBDIR=\$(DESTDIR)$shlibdir
2891INCDIR=\$(DESTDIR)$incdir
2892BINDIR=\$(DESTDIR)$bindir
2893DATADIR=\$(DESTDIR)$datadir
2894MANDIR=\$(DESTDIR)$mandir
2895SRC_PATH="$source_path"
2896SRC_PATH_BARE=$source_path
2897BUILD_ROOT="$PWD"
2898ARCH=$arch
2899CC=$cc
2900AS=$as
2901LD=$ld
2902DEPCC=$dep_cc
2903YASM=$yasmexe
a4aea515 2904YASMDEP=$yasmexe
173c983b
MR
2905AR=$ar
2906RANLIB=$ranlib
4335125c 2907CP=cp -p
173c983b
MR
2908LN_S=$ln_s
2909STRIP=$strip
2910CPPFLAGS=$CPPFLAGS
2911CFLAGS=$CFLAGS
2912ASFLAGS=$ASFLAGS
2913CC_O=$CC_O
2914LDFLAGS=$LDFLAGS
2915FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2916SHFLAGS=$SHFLAGS
2917YASMFLAGS=$YASMFLAGS
2918BUILDSUF=$build_suffix
2919FULLNAME=$FULLNAME
2920LIBPREF=$LIBPREF
2921LIBSUF=$LIBSUF
2922LIBNAME=$LIBNAME
2923SLIBPREF=$SLIBPREF
2924SLIBSUF=$SLIBSUF
2925EXESUF=$EXESUF
2926EXTRA_VERSION=$extra_version
2927DEPFLAGS=$DEPFLAGS
2928CCDEP=$CCDEP
2929ASDEP=$ASDEP
2930CC_DEPFLAGS=$CC_DEPFLAGS
2931AS_DEPFLAGS=$AS_DEPFLAGS
2932HOSTCC=$host_cc
2933HOSTCFLAGS=$host_cflags
2934HOSTEXESUF=$HOSTEXESUF
2935HOSTLDFLAGS=$host_ldflags
2936HOSTLIBS=$host_libs
2937TARGET_EXEC=$target_exec
2938TARGET_PATH=$target_path
2939SDL_LIBS=$sdl_libs
2940SDL_CFLAGS=$sdl_cflags
2941LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2942EXTRALIBS=$extralibs
fd676deb 2943INSTALL=install
1afc4750
MR
2944LIBTARGET=${LIBTARGET}
2945SLIBNAME=${SLIBNAME}
2946SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2947SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2948SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2949SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2950SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2951SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 2952SAMPLES=$samples
173c983b 2953EOF
5a872801 2954
719c8e00
MR
2955get_version(){
2956 name=$1
2957 file=$source_path/$2
147e7692
MR
2958 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2959 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2960 lcname=$(tolower $name)
2961 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2962 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2963}
2964
147e7692
MR
2965get_version LIBSWSCALE libswscale/swscale.h
2966get_version LIBPOSTPROC libpostproc/postprocess.h
2967get_version LIBAVCODEC libavcodec/avcodec.h
2968get_version LIBAVDEVICE libavdevice/avdevice.h
2969get_version LIBAVFORMAT libavformat/avformat.h
2970get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2971get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2972
173c983b
MR
2973cat > $TMPH <<EOF
2974/* Automatically generated by configure - do not modify! */
2975#ifndef FFMPEG_CONFIG_H
2976#define FFMPEG_CONFIG_H
2977#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 2978#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
2979#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2980#define CC_TYPE "$cc_type"
2981#define CC_VERSION $cc_version
2982#define restrict $_restrict
42719e20 2983#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
173c983b
MR
2984#define EXTERN_PREFIX "${extern_prefix}"
2985#define EXTERN_ASM ${extern_prefix}
2986EOF
523ef551 2987
4ae40685
MR
2988test -n "$malloc_prefix" &&
2989 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
2990
523ef551 2991if enabled small || disabled optimizations; then
9a894c48 2992 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
2993 echo "#define av_always_inline" >> $TMPH
2994fi
2995
3d907e22
MR
2996print_config ARCH_ $TMPH config.mak $ARCH_LIST
2997print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2998print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2999 $CONFIG_EXTRA \
7483e694
DB
3000 $DECODER_LIST \
3001 $ENCODER_LIST \
5666fd73 3002 $HWACCEL_LIST \
7483e694
DB
3003 $PARSER_LIST \
3004 $BSF_LIST \
3005 $DEMUXER_LIST \
3006 $MUXER_LIST \
f7679c54 3007 $FILTER_LIST \
7483e694
DB
3008 $PROTOCOL_LIST \
3009 $INDEV_LIST \
3010 $OUTDEV_LIST \
8ac17293 3011
9c05103f 3012echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3013echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3014
b7860763 3015# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3016cp_if_changed $TMPH config.h
3d204385 3017
a3e02a8c
MR
3018cat > $TMPH <<EOF
3019/* Generated by ffconf */
3020#ifndef AVUTIL_AVCONFIG_H
3021#define AVUTIL_AVCONFIG_H
3022EOF
3023
3024print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3025
3026echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3027
3028cp_if_changed $TMPH libavutil/avconfig.h
3029
7bfc8ae6
MR
3030test -n "$WARNINGS" && printf "\n$WARNINGS"
3031
d0674868 3032# build pkg-config files
def4272a 3033
d0674868
DB
3034pkgconfig_generate(){
3035name=$1
b0dfd108 3036shortname=${name#lib}${build_suffix}
d0674868
DB
3037comment=$2
3038version=$3
3039libs=$4
3040requires=$5
25cd5cb3 3041cat <<EOF > $name/$name.pc
3e89171a 3042prefix=$prefix
a94e666c 3043exec_prefix=\${prefix}
f2b7382c 3044libdir=$libdir
7622778e 3045includedir=$incdir
def4272a 3046
d0674868
DB
3047Name: $name
3048Description: $comment
3049Version: $version
8cd6b388 3050Requires: $(enabled shared || echo $requires)
5dcfe9f8 3051Requires.private: $(enabled shared && echo $requires)
def4272a 3052Conflicts:
8cd6b388 3053Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3054Libs.private: $(enabled shared && echo $libs)
76a448ed 3055Cflags: -I\${includedir}
def4272a 3056EOF
25cd5cb3 3057cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3058prefix=
3059exec_prefix=
46d1ff83 3060libdir=\${pcfiledir}
1d44d365 3061includedir=${source_path}
def4272a 3062
d0674868
DB
3063Name: $name
3064Description: $comment
3065Version: $version
3066Requires: $requires
def4272a 3067Conflicts:
12701f6e 3068Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3069Cflags: -I\${includedir}
3070EOF
d0674868 3071}
def4272a 3072
e426941d 3073pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3074pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3075pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3076pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3077enabled avfilter &&
46983309 3078 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3079enabled postproc &&
e426941d 3080 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3081pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"