configure: warn about missing yasm
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
74c53c2d 57show_help(){
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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]
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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
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268warn(){
269 log "WARNING: $*"
270 WARNINGS="${WARNINGS}WARNING: $*\n"
271}
272
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273die(){
274 echolog "$@"
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.
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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
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298}
299
4a5444db 300tolower(){
6c6007d6 301 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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302}
303
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304c_escape(){
305 echo "$*" | sed 's/["\\]/\\\0/g'
306}
307
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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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314filter(){
315 pat=$1
316 shift
317 for v; do
98ef6079 318 eval "case $v in $pat) echo $v ;; esac"
be8f2501
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319 done
320}
321
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322map(){
323 m=$1
324 shift
e0e335a0 325 for v; do eval $m; done
36e2dea0
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326}
327
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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
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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
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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(){
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380 for var; do
381 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
382 done
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MR
383}
384
385disable_safe(){
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386 for var; do
387 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
388 done
72702705
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389}
390
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391do_enable_deep(){
392 for var; do
393 enabled $var && continue
394 eval sel="\$${var}_select"
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395 eval sgs="\$${var}_suggest"
396 pushvar var sgs
f9d328da 397 enable_deep $sel
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398 popvar sgs
399 enable_deep_weak $sgs
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400 popvar var
401 done
402}
403
404enable_deep(){
405 do_enable_deep $*
406 enable $*
407}
408
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409enable_deep_weak(){
410 do_enable_deep $*
411 enable_weak $*
412}
413
57bd82d4 414enabled(){
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415 test "${1#!}" = "$1" && op== || op=!=
416 eval test "x\$${1#!}" $op "xyes"
44161118
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417}
418
37970ebf 419disabled(){
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MR
420 test "${1#!}" = "$1" && op== || op=!=
421 eval test "x\$${1#!}" $op "xno"
37970ebf
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422}
423
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424enabled_all(){
425 for opt; do
426 enabled $opt || return 1
427 done
428}
429
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430disabled_all(){
431 for opt; do
432 disabled $opt || return 1
433 done
434}
435
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436enabled_any(){
437 for opt; do
438 enabled $opt && return 0
439 done
440}
441
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442disabled_any(){
443 for opt; do
444 disabled $opt && return 0
445 done
f7b230a7 446 return 1
85bca2c5
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447}
448
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449set_default(){
450 for opt; do
88268e94 451 eval : \${$opt:=\$${opt}_default}
c9d19248
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452 done
453}
454
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455is_in(){
456 value=$1
457 shift
458 for var in $*; do
459 [ $var = $value ] && return 0
460 done
461 return 1
462}
463
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464check_deps(){
465 for cfg; do
3250003c 466 cfg="${cfg#!}"
799c9e9b
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467 enabled ${cfg}_checking && die "Circular dependency for $cfg."
468 disabled ${cfg}_checking && continue
469 enable ${cfg}_checking
470
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471 eval dep_all="\$${cfg}_deps"
472 eval dep_any="\$${cfg}_deps_any"
7ef3425f 473 eval dep_sel="\$${cfg}_select"
c510c7b5 474 eval dep_sgs="\$${cfg}_suggest"
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475 eval dep_ifa="\$${cfg}_if"
476 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 477
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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 $dep_ifn
480 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 481
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482 [ -n "$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
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496 done
497}
498
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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" >> $header
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508 echo "${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
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514}
515
516flags_saved(){
2270b4b2 517 (: ${SAVE_CFLAGS?}) 2> /dev/null
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518}
519
dcd479c0 520save_flags(){
57bd82d4 521 flags_saved && return
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522 SAVE_CFLAGS="$CFLAGS"
523 SAVE_LDFLAGS="$LDFLAGS"
524 SAVE_extralibs="$extralibs"
525}
526
527restore_flags(){
f5d28d10 528 flags_saved || return
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529 CFLAGS="$SAVE_CFLAGS"
530 LDFLAGS="$SAVE_LDFLAGS"
531 extralibs="$SAVE_extralibs"
532 unset SAVE_CFLAGS
533 unset SAVE_LDFLAGS
534 unset SAVE_extralibs
535}
536
537temp_cflags(){
538 save_flags
539 CFLAGS="$CFLAGS $*"
540}
541
542temp_ldflags(){
543 save_flags
544 LDFLAGS="$LDFLAGS $*"
545}
546
547temp_extralibs(){
548 save_flags
549 extralibs="$extralibs $*"
550}
551
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552append(){
553 var=$1
554 shift
555 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
556 eval "$var=\"\$$var $*\""
557}
558
50a334e4 559add_cppflags(){
caf458dd 560 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
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561}
562
57bd82d4 563add_cflags(){
caf458dd 564 append CFLAGS $($filter_cflags "$@")
57bd82d4
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565}
566
2f2e6c7c 567add_asflags(){
caf458dd 568 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
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569}
570
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571add_ldflags(){
572 append LDFLAGS "$@"
573}
574
575add_extralibs(){
576 append extralibs "$@"
577}
578
b0cfb663 579check_cmd(){
b3cb5d51 580 log "$@"
2270b4b2 581 "$@" >> $logfile 2>&1
b0cfb663
MR
582}
583
dcd479c0 584check_cc(){
57bd82d4 585 log check_cc "$@"
2270b4b2 586 cat > $TMPC
720c69da 587 log_file $TMPC
50a334e4 588 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
589}
590
591check_cpp(){
592 log check_cpp "$@"
2270b4b2 593 cat > $TMPC
720c69da 594 log_file $TMPC
9e7f3277 595 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
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596}
597
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598check_as(){
599 log check_as "$@"
600 cat > $TMPC
601 log_file $TMPC
2f2e6c7c 602 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
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603}
604
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605check_asm(){
606 log check_asm "$@"
607 name="$1"
3784e82e 608 code="$2"
940f335a 609 shift 2
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610 disable $name
611 check_as "$@" <<EOF && enable $name
3784e82e 612void foo(void){ __asm__ volatile($code); }
940f335a
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613EOF
614}
615
304d586d
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616check_yasm(){
617 log check_yasm "$@"
618 echo "$1" > $TMPS
619 log_file $TMPS
620 shift 1
621 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
622}
623
dcd479c0 624check_ld(){
57bd82d4 625 log check_ld "$@"
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626 flags=''
627 libs=''
628 for f; do
629 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
630 done
2a194acd 631 check_cc $($filter_cflags $flags) || return
684b28e0 632 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
633}
634
50a334e4
MR
635check_cppflags(){
636 log check_cppflags "$@"
caf458dd
MR
637 set -- $($filter_cppflags "$@")
638 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
639int x;
640EOF
641}
642
dcd479c0 643check_cflags(){
57bd82d4 644 log check_cflags "$@"
caf458dd
MR
645 set -- $($filter_cflags "$@")
646 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
647int x;
648EOF
649}
650
2ed46eea
MR
651test_ldflags(){
652 log test_ldflags "$@"
653 check_ld "$@" <<EOF
c23a0ac8 654int main(void){ return 0; }
dcd479c0
MR
655EOF
656}
657
2ed46eea
MR
658check_ldflags(){
659 log check_ldflags "$@"
660 test_ldflags "$@" && add_ldflags "$@"
661}
662
dcd479c0 663check_header(){
57bd82d4 664 log check_header "$@"
dcd479c0
MR
665 header=$1
666 shift
b77df637
MR
667 disable_safe $header
668 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
669#include <$header>
670int x;
671EOF
672}
673
674check_func(){
57bd82d4 675 log check_func "$@"
dcd479c0
MR
676 func=$1
677 shift
d8bc5f06
MR
678 disable $func
679 check_ld "$@" <<EOF && enable $func
dcd479c0 680extern int $func();
c23a0ac8 681int main(void){ $func(); }
dcd479c0
MR
682EOF
683}
684
645d2652 685check_mathfunc(){
6b73c0ae 686 log check_mathfunc "$@"
645d2652
MR
687 func=$1
688 shift
689 disable $func
690 check_ld "$@" <<EOF && enable $func
691#include <math.h>
33bd38db
MR
692float foo(float f) { return $func(f); }
693int main(void){ return 0; }
645d2652
MR
694EOF
695}
696
2446d3d6
DB
697check_func_headers(){
698 log check_func_headers "$@"
f8d7b072
MR
699 headers=$1
700 func=$2
701 shift 2
702 disable $func
703 incs=""
704 for hdr in $headers; do
705 incs="$incs
706#include <$hdr>"
707 done
cd0d9a9d 708 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 709$incs
d6773f56 710int main(int argc, char **argv){
2b2c2a81 711 return (long) $func;
f8d7b072
MR
712}
713EOF
714}
715
a5344cf7
SS
716check_cpp_condition(){
717 log check_cpp_condition "$@"
718 header=$1
719 condition=$2
f855b7b9
MR
720 shift 2
721 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
722#include <$header>
723#if !($condition)
724#error "unsatisfied condition: $condition"
725#endif
726EOF
727}
728
57bd82d4
MR
729check_lib(){
730 log check_lib "$@"
731 header="$1"
732 func="$2"
733 shift 2
fcfcde17
MR
734 temp_extralibs "$@"
735 check_header $header && check_func $func && add_extralibs "$@"
736 err=$?
737 restore_flags
738 return $err
57bd82d4
MR
739}
740
f8d7b072
MR
741check_lib2(){
742 log check_lib2 "$@"
743 headers="$1"
744 func="$2"
745 shift 2
300cde27 746 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
747}
748
dcd479c0 749check_exec(){
2270b4b2 750 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
751}
752
7dfef245 753check_exec_crash(){
5e622c40 754 code=$(cat)
7dfef245
MR
755
756 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
757 # are safe but may not be available everywhere. Thus we use
758 # raise(SIGTERM) instead. The check is run in a subshell so we
759 # can redirect the "Terminated" message from the shell. SIGBUS
760 # is not defined by standard C so it is used conditionally.
761
2270b4b2 762 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
763#include <signal.h>
764static void sighandler(int sig){
765 raise(SIGTERM);
766}
e5af4a11 767int main(void){
7dfef245
MR
768 signal(SIGILL, sighandler);
769 signal(SIGFPE, sighandler);
770 signal(SIGSEGV, sighandler);
771#ifdef SIGBUS
772 signal(SIGBUS, sighandler);
773#endif
774 { $code }
775}
776EOF
777}
778
72be9e73
DY
779check_type(){
780 log check_type "$@"
781 headers=$1
782 type=$2
783 shift 2
ae550ce9 784 disable_safe "$type"
72be9e73
DY
785 incs=""
786 for hdr in $headers; do
787 incs="$incs
788#include <$hdr>"
789 done
ae550ce9 790 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
791$incs
792$type v;
793EOF
794}
795
14d36751
MR
796check_struct(){
797 log check_type "$@"
798 headers=$1
799 struct=$2
800 member=$3
801 shift 3
802 disable_safe "${struct}_${member}"
803 incs=""
804 for hdr in $headers; do
805 incs="$incs
806#include <$hdr>"
807 done
808 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
809$incs
810const void *p = &(($struct *)0)->$member;
811EOF
812}
813
57bd82d4
MR
814require(){
815 name="$1"
816 header="$2"
817 func="$3"
818 shift 3
819 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
820}
821
f8d7b072
MR
822require2(){
823 name="$1"
824 headers="$2"
825 func="$3"
826 shift 3
827 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
828}
829
eea50282
MR
830check_foo_config(){
831 cfg=$1
832 pkg=$2
833 header=$3
834 func=$4
835 shift 4
836 disable $cfg
837 check_cmd ${pkg}-config --version
838 err=$?
839 if test "$err" = 0; then
5e622c40
DB
840 temp_cflags $(${pkg}-config --cflags)
841 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
842 check_lib "$@" $header $func && enable $cfg
843 fi
844 return $err
845}
846
f0125de9
MR
847check_host_cc(){
848 log check_host_cc "$@"
849 cat > $TMPC
850 log_file $TMPC
851 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
852}
853
854check_host_cflags(){
855 log check_host_cflags "$@"
856 check_host_cc "$@" <<EOF && append host_cflags "$@"
857int x;
858EOF
859}
860
c505dd31
MR
861apply(){
862 file=$1
863 shift
864 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
865}
866
c34681df
MR
867cp_if_changed(){
868 cmp -s "$1" "$2" &&
869 echo "$2 is unchanged" ||
870 cp -f "$1" "$2"
871}
872
dcd61286
DB
873# CONFIG_LIST contains configurable options, while HAVE_LIST is for
874# system-dependent things.
875
4a0d6686
AJ
876COMPONENT_LIST="
877 bsfs
878 decoders
879 demuxers
880 encoders
3cde40aa 881 filters
5666fd73 882 hwaccels
c552605c 883 indevs
4a0d6686 884 muxers
c552605c 885 outdevs
4a0d6686
AJ
886 parsers
887 protocols
888"
889
890CONFIG_LIST="
891 $COMPONENT_LIST
e8ed9b7a 892 aandct
5a0f7131
MR
893 avcodec
894 avdevice
f7679c54
VS
895 avfilter
896 avfilter_lavf
5a0f7131 897 avformat
c88f5d72 898 avisynth
f402916e 899 bzlib
7f3f5f46 900 dct
c73f65d9 901 doc
05aec7bb 902 dwt
92c6a099 903 dxva2
27a9466b 904 fastdiv
c88f5d72
MR
905 ffmpeg
906 ffplay
336ce917 907 ffprobe
c88f5d72 908 ffserver
1848f7d9 909 fft
4f034993 910 golomb
c88f5d72 911 gpl
ecfc4f44 912 gprof
d8d0d0b2 913 gray
4693b031 914 h264dsp
3abe5fbd 915 hardcoded_tables
f7b8bffe 916 libdc1394
690bfceb 917 libdirac
2eed5a46 918 libfaac
c88f5d72 919 libgsm
6ebe07fb 920 libmp3lame
c88f5d72 921 libnut
0b175caa
DB
922 libopencore_amrnb
923 libopencore_amrwb
9a77d59a 924 libopenjpeg
0f943ce6 925 librtmp
f7cd9eed 926 libschroedinger
ae14f311 927 libspeex
150d2772 928 libtheora
c88f5d72 929 libvorbis
8299a7f8 930 libvpx
1cc60c47
DB
931 libx264
932 libxvid
f4d608e3 933 lpc
b781cc12 934 lsp
47a158cb 935 mdct
c88f5d72 936 memalign_hack
a8150374 937 mlib
c88f5d72
MR
938 mpegaudio_hp
939 network
3fe142e2 940 nonfree
8a3c8627 941 pic
4a24ab64 942 postproc
2b4c3615 943 powerpc_perf
68602540 944 rdft
e90f5b5a 945 runtime_cpudetect
2e35e684 946 shared
bd2216e4 947 small
6b35d421 948 sram
2e35e684 949 static
5a0f7131 950 swscale
a9ddb5b1 951 swscale_alpha
17492d5e
DB
952 vaapi
953 vdpau
9cad0e4e 954 version3
56a059ac 955 x11grab
c88f5d72 956 zlib
4a0d6686 957"
c88f5d72 958
8eee7025 959THREADS_LIST='
8eee7025
DB
960 pthreads
961 w32threads
962'
963
3f5b56e5
MR
964ARCH_LIST='
965 alpha
a2fc0f6a 966 arm
fdcd782d
MR
967 avr32
968 avr32_ap
969 avr32_uc
3f5b56e5
MR
970 bfin
971 ia64
972 m68k
973 mips
bae3abb0 974 mips64
3f5b56e5 975 parisc
79cb09b2 976 ppc
34d11b87 977 ppc64
3f5b56e5
MR
978 s390
979 sh4
980 sparc
981 sparc64
0844bae1 982 tomi
3f5b56e5
MR
983 x86
984 x86_32
985 x86_64
986'
987
988ARCH_EXT_LIST='
1ac9331a 989 altivec
3bf96eec 990 amd3dnow
a1ef9f08 991 amd3dnowext
1ac9331a 992 armv5te
edab3048 993 armv6
ab5cb084 994 armv6t2
f55b299a 995 armvfp
3f5b56e5
MR
996 iwmmxt
997 mmi
998 mmx
d7f0920b 999 mmx2
6b18d278 1000 neon
799fde37 1001 ppc4xx
1bb04d5a 1002 sse
9eeed841 1003 ssse3
bd9d34a0 1004 vis
3f5b56e5
MR
1005'
1006
a3e02a8c
MR
1007HAVE_LIST_PUB='
1008 bigendian
1009'
1010
3f5b56e5
MR
1011HAVE_LIST="
1012 $ARCH_EXT_LIST
a3e02a8c 1013 $HAVE_LIST_PUB
3f5b56e5 1014 $THREADS_LIST
35fd8122 1015 alsa_asoundlib_h
3f5b56e5 1016 altivec_h
c9fdab0d 1017 arpa_inet_h
dffb41b9 1018 attribute_may_alias
e7ea5e3d 1019 attribute_packed
6bd859d6 1020 bswap
ecf97f22 1021 closesocket
1ac9331a 1022 cmov
e16e49ac 1023 conio_h
c88f5d72 1024 dcbzl
f8aa696f
DB
1025 dev_bktr_ioctl_bt848_h
1026 dev_bktr_ioctl_meteor_h
1027 dev_ic_bt8xx_h
1028 dev_video_meteor_ioctl_meteor_h
1029 dev_video_bktr_ioctl_bt848_h
18b67ae5 1030 dlfcn_h
c88f5d72 1031 dlopen
bc574408 1032 dos_paths
245626d0
DB
1033 ebp_available
1034 ebx_available
6b7c7703
VS
1035 exp2
1036 exp2f
c2a29455 1037 fast_64bit
669b5583 1038 fast_clz
7073e9fc 1039 fast_cmov
7b829d2a 1040 fast_unaligned
9d99cc5a 1041 fork
84882df6 1042 getaddrinfo
da9e86f8 1043 gethrtime
fc5607f8 1044 GetProcessMemoryInfo
4e68cb8a 1045 GetProcessTimes
66be5b45 1046 getrusage
fc5607f8 1047 struct_rusage_ru_maxrss
2e1913b1 1048 inet_aton
61d251db 1049 inline_asm
abfc8d05 1050 isatty
9f5ff83f 1051 ldbrx
0b4a1821
AS
1052 libdc1394_1
1053 libdc1394_2
a33cab3a 1054 llrint
07876e25 1055 llrintf
d96cd429
MR
1056 local_aligned_16
1057 local_aligned_8
291fd18a 1058 log2
6b7c7703 1059 log2f
85dd97ad 1060 loongson
a33cab3a 1061 lrint
c88f5d72 1062 lrintf
e4673692 1063 lzo1x_999_compress
f8aa696f
DB
1064 machine_ioctl_bt848_h
1065 machine_ioctl_meteor_h
c88f5d72
MR
1066 malloc_h
1067 memalign
6ffa87d3 1068 mkstemp
b4e806b2 1069 pld
1f91cdce 1070 posix_memalign
a33cab3a
MK
1071 round
1072 roundf
c88f5d72
MR
1073 sdl
1074 sdl_video_size
b507ebd1 1075 setmode
72be9e73 1076 socklen_t
deb29777 1077 soundcard_h
f8cda19e 1078 poll_h
0104b608 1079 setrlimit
87958234 1080 strerror_r
c0018613 1081 struct_addrinfo
b4d68544
MS
1082 struct_ipv6_mreq
1083 struct_sockaddr_in6
3b2372bf 1084 struct_sockaddr_sa_len
33a4dbdd 1085 struct_sockaddr_storage
b462d132
MR
1086 symver
1087 symver_gnu_asm
1088 symver_asm_label
b58412f1 1089 sys_mman_h
b091aa44 1090 sys_resource_h
81644c2e 1091 sys_select_h
deb29777 1092 sys_soundcard_h
1b6e8b73 1093 sys_videoio_h
d3a4b4e0 1094 ten_operands
e16e49ac 1095 termios_h
b265431e 1096 threads
7b04b8a0 1097 truncf
ce742de2 1098 vfp_args
7c5bfe7a 1099 VirtualAlloc
6ff3f3e7 1100 winsock2_h
cc078b5d 1101 xform_asm
304d586d 1102 yasm
0cb78cef 1103"
44161118 1104
b6bb00b0
MR
1105# options emitted with CONFIG_ prefix but not available on command line
1106CONFIG_EXTRA="
dc4f5a1c 1107 avutil
9cad0e4e
DB
1108 gplv3
1109 lgplv3
b6bb00b0
MR
1110"
1111
520cc7f1 1112CMDLINE_SELECT="
3f5b56e5 1113 $ARCH_EXT_LIST
520cc7f1 1114 $CONFIG_LIST
8eee7025 1115 $THREADS_LIST
c8a4ae00 1116 asm
db6107b6 1117 cross_compile
520cc7f1
MR
1118 debug
1119 extra_warnings
8c6afa4d 1120 logging
d2bbb2f7 1121 optimizations
87a0fb62 1122 stripping
7595a5e4 1123 yasm
520cc7f1 1124"
426be5dc
DB
1125
1126PATHS_LIST='
d156bede 1127 bindir
14a8acf1 1128 datadir
26759c44
MR
1129 incdir
1130 libdir
26759c44
MR
1131 mandir
1132 prefix
1133 shlibdir
426be5dc
DB
1134'
1135
1136CMDLINE_SET="
1137 $PATHS_LIST
121d78d0 1138 ar
426be5dc 1139 arch
313c46a6 1140 as
426be5dc
DB
1141 build_suffix
1142 cc
1143 cpu
1144 cross_prefix
50567afa 1145 dep_cc
ac63af34 1146 extra_version
9da6609f
MR
1147 host_cc
1148 host_cflags
1149 host_ldflags
1150 host_libs
82bb3329 1151 host_os
684b28e0 1152 ld
426be5dc 1153 logfile
4ae40685 1154 malloc_prefix
89641463 1155 nm
2fad0977 1156 samples
26759c44 1157 source_path
4f837398 1158 strip
c5200f17
MR
1159 sysinclude
1160 sysroot
a7ada2ba 1161 target_exec
26759c44 1162 target_os
a7ada2ba 1163 target_path
426be5dc 1164"
520cc7f1 1165
89f2932b
MR
1166CMDLINE_APPEND="
1167 extra_cflags
1168"
1169
912f3148
DB
1170# code dependency declarations
1171
9eeed841 1172# architecture extensions
808fa33c 1173
a2fc0f6a
MR
1174armv5te_deps="arm"
1175armv6_deps="arm"
ab5cb084 1176armv6t2_deps="arm"
a2fc0f6a
MR
1177armvfp_deps="arm"
1178iwmmxt_deps="arm"
808fa33c
MR
1179neon_deps="arm"
1180
e241ba14 1181mmi_deps="mips"
808fa33c
MR
1182
1183altivec_deps="ppc"
1184ppc4xx_deps="ppc"
1185
1186vis_deps="sparc"
1187
7f8c3d1f 1188x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1189amd3dnow_deps="mmx"
1190amd3dnowext_deps="amd3dnow"
9eeed841 1191mmx_deps="x86"
75aa95a6 1192mmx2_deps="mmx"
75aa95a6
DB
1193sse_deps="mmx"
1194ssse3_deps="sse"
9eeed841 1195
e939cedd 1196fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1197fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1198fast_unaligned_if_any="armv6 ppc x86"
669b5583 1199
89e053f8 1200need_memalign="altivec neon sse"
6fec122a 1201inline_asm_deps="!tms470"
89e053f8 1202
b462d132
MR
1203symver_if_any="symver_asm_label symver_gnu_asm"
1204
26fbcc85
MR
1205# subsystems
1206mdct_select="fft"
1207rdft_select="fft"
1208
5666fd73 1209# decoders / encoders / hardware accelerators
49351479 1210aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1211aac_encoder_select="mdct"
1212ac3_decoder_select="mdct ac3_parser"
f4d608e3 1213alac_encoder_select="lpc"
b781cc12 1214amrnb_decoder_select="lsp"
084cbbaa 1215atrac1_decoder_select="mdct"
26fbcc85
MR
1216atrac3_decoder_select="mdct"
1217binkaudio_dct_decoder_select="mdct rdft dct"
1218binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1219cavs_decoder_select="golomb"
26fbcc85 1220cook_decoder_select="mdct"
2eef7c62 1221cscd_decoder_suggest="zlib"
26fbcc85 1222dca_decoder_select="mdct"
e8ed9b7a 1223dnxhd_encoder_select="aandct"
2eef7c62 1224dxa_decoder_select="zlib"
baf91bb9 1225eac3_decoder_select="ac3_decoder"
84c04e25 1226eamad_decoder_select="aandct"
e8ed9b7a 1227eatgq_decoder_select="aandct"
d52b39c7 1228eatqi_decoder_select="aandct"
4f034993
MR
1229ffv1_decoder_select="golomb"
1230flac_decoder_select="golomb"
f4d608e3 1231flac_encoder_select="golomb lpc"
2eef7c62
AJ
1232flashsv_decoder_select="zlib"
1233flashsv_encoder_select="zlib"
4414137e 1234flv_decoder_select="h263_decoder"
4d4b4bd1 1235flv_encoder_select="h263_encoder"
e8ed9b7a 1236h261_encoder_select="aandct"
7f647ae0 1237h263_decoder_select="h263_parser"
e8ed9b7a 1238h263_encoder_select="aandct"
95a61cfc 1239h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1240h263i_decoder_select="h263_decoder"
fe629c2d 1241h263p_encoder_select="h263_encoder"
4693b031 1242h264_decoder_select="golomb h264dsp"
92c6a099
LA
1243h264_dxva2_hwaccel_deps="dxva2api_h"
1244h264_dxva2_hwaccel_select="dxva2 h264_decoder"
17492d5e 1245h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1246h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1247imc_decoder_select="fft mdct"
4f034993
MR
1248jpegls_decoder_select="golomb"
1249jpegls_encoder_select="golomb"
e8ed9b7a 1250ljpeg_encoder_select="aandct"
4f034993 1251loco_decoder_select="golomb"
e8ed9b7a 1252mjpeg_encoder_select="aandct"
2cca233b 1253mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1254mpeg1video_encoder_select="aandct"
1255mpeg2video_encoder_select="aandct"
4414137e 1256mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1257mpeg4_encoder_select="h263_encoder"
95a61cfc 1258mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1259mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
164aab02
LA
1260mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1261mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1262mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
95a61cfc 1263mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1264mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1265mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1266mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1267msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1268msmpeg4v1_encoder_select="h263_encoder"
4414137e 1269msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1270msmpeg4v2_encoder_select="h263_encoder"
4414137e 1271msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1272msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1273nellymoser_decoder_select="mdct"
1274nellymoser_encoder_select="mdct"
2eef7c62
AJ
1275png_decoder_select="zlib"
1276png_encoder_select="zlib"
b781cc12 1277qcelp_decoder_select="lsp"
26fbcc85 1278qdm2_decoder_select="mdct rdft"
31ed3f1f 1279ra_144_encoder_select="lpc"
a8beb22f 1280rv10_decoder_select="h263_decoder"
b2bf38b4 1281rv10_encoder_select="h263_encoder"
a8beb22f 1282rv20_decoder_select="h263_decoder"
b2bf38b4 1283rv20_encoder_select="h263_encoder"
4693b031
MR
1284rv30_decoder_select="golomb h264dsp"
1285rv40_decoder_select="golomb h264dsp"
4f034993 1286shorten_decoder_select="golomb"
b781cc12 1287sipr_decoder_select="lsp"
05aec7bb
MR
1288snow_decoder_select="dwt"
1289snow_encoder_select="aandct dwt"
4f034993
MR
1290sonic_decoder_select="golomb"
1291sonic_encoder_select="golomb"
1292sonic_ls_encoder_select="golomb"
19ecfb8a 1293svq1_encoder_select="aandct"
4693b031 1294svq3_decoder_select="golomb h264dsp"
bee2eac5 1295svq3_decoder_suggest="zlib"
4eef77c1 1296theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1297tiff_decoder_suggest="zlib"
1298tiff_encoder_suggest="zlib"
aec09a00 1299truehd_decoder_select="mlp_decoder"
2eef7c62 1300tscc_decoder_select="zlib"
b781cc12 1301twinvq_decoder_select="mdct lsp"
f95bfab0 1302vc1_decoder_select="h263_decoder"
9104cd51 1303vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1304vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1305vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1306vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1307vorbis_decoder_select="mdct"
1308vorbis_encoder_select="mdct"
e82dc4c9
DB
1309vp6a_decoder_select="vp6_decoder"
1310vp6f_decoder_select="vp6_decoder"
084cbbaa 1311wmapro_decoder_select="mdct"
26fbcc85
MR
1312wmav1_decoder_select="mdct"
1313wmav1_encoder_select="mdct"
1314wmav2_decoder_select="mdct"
1315wmav2_encoder_select="mdct"
005ad8a0 1316wmavoice_decoder_select="lsp rdft dct"
f95bfab0 1317wmv1_decoder_select="h263_decoder"
665507aa 1318wmv1_encoder_select="h263_encoder"
f95bfab0 1319wmv2_decoder_select="h263_decoder"
1746e2a9 1320wmv2_encoder_select="h263_encoder"
015f8ee0 1321wmv3_decoder_select="vc1_decoder"
f0f86627 1322wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1323wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1324wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1325zlib_decoder_select="zlib"
1326zlib_encoder_select="zlib"
1327zmbv_decoder_select="zlib"
1328zmbv_encoder_select="zlib"
30fd06be 1329
0afab17e 1330vaapi_deps="va_va_h"
c89c96e9
MR
1331vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1332
28b80940 1333# parsers
4693b031 1334h264_parser_select="golomb h264dsp"
28b80940 1335
f1e94694
DB
1336# bitstream_filters
1337aac_adtstoasc_bsf_select="aac_parser"
1338
912f3148 1339# external libraries
1b71f045 1340libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1341libdirac_encoder_deps="libdirac"
c9171a83 1342libfaac_encoder_deps="libfaac"
299c77d5
MR
1343libgsm_decoder_deps="libgsm"
1344libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1345libgsm_ms_decoder_deps="libgsm"
1346libgsm_ms_encoder_deps="libgsm"
1cc60c47 1347libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1348libopencore_amrnb_decoder_deps="libopencore_amrnb"
1349libopencore_amrnb_encoder_deps="libopencore_amrnb"
1350libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1351libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1352libschroedinger_decoder_deps="libschroedinger"
1353libschroedinger_encoder_deps="libschroedinger"
ae14f311 1354libspeex_decoder_deps="libspeex"
150d2772 1355libtheora_encoder_deps="libtheora"
b0caf888 1356libvorbis_encoder_deps="libvorbis"
8299a7f8 1357libvpx_decoder_deps="libvpx"
ee0e9146 1358libvpx_encoder_deps="libvpx"
1cc60c47
DB
1359libx264_encoder_deps="libx264"
1360libxvid_encoder_deps="libxvid"
30fd06be 1361
912f3148 1362# demuxers / muxers
03a76ba9 1363ac3_demuxer_deps="ac3_parser"
647c2356 1364asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1365avisynth_demuxer_deps="avisynth"
1366dirac_demuxer_deps="dirac_parser"
5b423887 1367eac3_demuxer_select="ac3_parser"
647c2356 1368ipod_muxer_select="mov_muxer"
4e622dea
SS
1369libnut_demuxer_deps="libnut"
1370libnut_muxer_deps="libnut"
647c2356 1371matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1372matroska_demuxer_suggest="zlib bzlib"
1373mov_demuxer_suggest="zlib"
1374mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1375mp4_muxer_select="mov_muxer"
1376mpegtsraw_demuxer_select="mpegts_demuxer"
1377mxf_d10_muxer_select="mxf_muxer"
24ca518b 1378ogg_demuxer_select="golomb"
647c2356 1379psp_muxer_select="mov_muxer"
4e622dea 1380rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1381rtsp_muxer_deps="sdp_demuxer"
1382rtsp_muxer_select="rtp_muxer"
4e622dea 1383sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1384sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1385spdif_muxer_select="aac_parser"
647c2356
DB
1386tg2_muxer_select="mov_muxer"
1387tgp_muxer_select="mov_muxer"
6bdaa5f4 1388w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1389
1390# indevs / outdevs
38e54a75
SS
1391alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1392alsa_indev_extralibs="-lasound"
1393alsa_outdev_deps="alsa_asoundlib_h"
1394alsa_outdev_extralibs="-lasound"
38e54a75 1395bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1396dv1394_indev_deps="dv1394 dv_demuxer"
1397jack_indev_deps="jack_jack_h"
1398jack_indev_extralibs="-ljack"
1399libdc1394_indev_deps="libdc1394"
38e54a75
SS
1400oss_indev_deps_any="soundcard_h sys_soundcard_h"
1401oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1402v4l_indev_deps="linux_videodev_h"
1403v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1404vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1405vfwcap_indev_extralibs="-lavicap32"
38e54a75 1406x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1407x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1408
912f3148 1409# protocols
3fff6382 1410gopher_protocol_deps="network"
c08fb000 1411http_protocol_deps="network"
279a0c97 1412http_protocol_select="tcp_protocol"
b4cf3f6c 1413mmst_protocol_deps="network"
deeb7012
MS
1414rtmp_protocol_select="tcp_protocol"
1415rtp_protocol_select="udp_protocol"
c08fb000
AB
1416tcp_protocol_deps="network"
1417udp_protocol_deps="network"
1418
f7679c54 1419# filters
81124ba0 1420movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1421avfilter_lavf_deps="avformat"
1422
1423# libraries
1424avdevice_deps="avcodec avformat"
1425avformat_deps="avcodec"
f7679c54 1426
912f3148 1427# programs
5a0f7131 1428ffmpeg_deps="avcodec avformat swscale"
21ae6790 1429ffmpeg_select="buffer_filter"
5a0f7131 1430ffplay_deps="avcodec avformat swscale sdl"
43689902 1431ffplay_select="rdft"
336ce917 1432ffprobe_deps="avcodec avformat"
5a0f7131 1433ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1434ffserver_extralibs='$ldl'
a2830dca 1435
c73f65d9 1436doc_deps="texi2html"
912f3148 1437
de6d9b64 1438# default parameters
8a608357 1439
19bd477d 1440logfile="config.log"
8a608357
MR
1441
1442# installation paths
c9d19248
MR
1443prefix_default="/usr/local"
1444bindir_default='${prefix}/bin'
14a8acf1 1445datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1446incdir_default='${prefix}/include'
1447libdir_default='${prefix}/lib'
1448mandir_default='${prefix}/share/man'
1449shlibdir_default="$libdir_default"
8a608357
MR
1450
1451# toolchain
121d78d0 1452ar_default="ar"
13c7df3d 1453cc_default="gcc"
a3d7c197 1454cc_version=\"unknown\"
9da6609f 1455host_cc_default="gcc"
11e6d03a 1456ln_s="ln -sf"
89641463 1457nm_default="nm"
11e6d03a 1458objformat="elf"
be7109c1 1459ranlib="ranlib"
4f837398 1460strip_default="strip"
11e6d03a 1461yasmexe="yasm"
8a608357 1462
8182dc34
MR
1463nm_opts='-g'
1464
8a608357 1465# machine
8d4c00ed 1466arch_default=$(uname -m)
38d0a8aa 1467cpu="generic"
8a608357 1468
8a608357 1469# OS
8d4c00ed
MR
1470target_os_default=$(tolower $(uname -s))
1471host_os=$target_os_default
8a608357 1472
8a608357 1473# configurable options
5a0f7131
MR
1474enable avcodec
1475enable avdevice
cccc039f 1476enable avfilter
5a0f7131 1477enable avformat
dc4f5a1c 1478enable avutil
c8a4ae00 1479enable asm
497237c7 1480enable debug
c73f65d9 1481enable doc
aa033b1e 1482enable fastdiv
497237c7
RP
1483enable ffmpeg
1484enable ffplay
336ce917 1485enable ffprobe
497237c7 1486enable ffserver
497237c7
RP
1487enable mpegaudio_hp
1488enable network
8400d6b8 1489enable optimizations
497237c7 1490enable protocols
530dc538 1491enable static
87a0fb62 1492enable stripping
5a0f7131 1493enable swscale
a9ddb5b1 1494enable swscale_alpha
8a608357 1495
8a608357 1496# build settings
9987769a 1497SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1498FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1499LIBPREF="lib"
1500LIBSUF=".a"
c5f14466
RP
1501FULLNAME='$(NAME)$(BUILDSUF)'
1502LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1503SLIBPREF="lib"
1504SLIBSUF=".so"
c5f14466 1505SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1506SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1507SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1508LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1509
7e6c86e6
MR
1510CC_O='-o $@'
1511
f0125de9 1512host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1513host_libs='-lm'
1514
9b861379 1515target_path='$(CURDIR)'
a7ada2ba 1516
0d7dca36
DB
1517# gcc stupidly only outputs the basename of targets with -MM, but we need the
1518# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1519DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1520DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1521
c597172e 1522# find source path
5e622c40 1523source_path="$(dirname "$0")"
497237c7 1524enable source_path_used
24524f36 1525if test -f configure; then
5e622c40 1526 source_path="$(pwd)"
497237c7 1527 disable source_path_used
c597172e 1528else
5e622c40 1529 source_path="$(cd "$source_path"; pwd)"
c597172e 1530 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1531 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1532 test -e "$source_path/config.h" &&
1533 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1534fi
1535
13cbe2c0 1536for v in "$@"; do
b04251c5
MR
1537 r=${v#*=}
1538 l=${v%"$r"}
1539 r=$(sh_quote "$r")
13cbe2c0
MR
1540 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1541done
c597172e 1542
73ef8980
MR
1543find_things(){
1544 thing=$1
1545 pattern=$2
1546 file=$source_path/$3
932ccf39 1547 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1548}
1549
1550ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1551DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1552HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1553PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1554BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1555MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1556DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1557OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1558INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1559PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1560FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1561
8469ae22
MR
1562for n in $COMPONENT_LIST; do
1563 v=$(toupper ${n%s})_LIST
1564 eval enable \$$v
1565 eval ${n}_if_any="\$$v"
1566done
1567
1568enable $ARCH_EXT_LIST
c597172e
MR
1569
1570die_unknown(){
1571 echo "Unknown option \"$1\"."
1572 echo "See $0 --help for available options."
1573 exit 1
1574}
1575
794f8e97 1576show_list() {
bf0c4afa
RP
1577 suffix=_$1
1578 shift
2b444ea7 1579 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1580 exit 0
1581}
1582
c597172e 1583for opt do
7483e694
DB
1584 optval="${opt#*=}"
1585 case "$opt" in
0f010b2f 1586 --extra-ldflags=*) add_ldflags $optval
7483e694 1587 ;;
0f010b2f 1588 --extra-libs=*) add_extralibs $optval
7483e694 1589 ;;
8fb1cb58 1590 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1591 ;;
40bcf4c7
BL
1592 --enable-debug=*) debuglevel="$optval"
1593 ;;
36e2dea0 1594 --disable-everything)
e0e335a0 1595 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1596 ;;
7483e694 1597 --enable-*=*|--disable-*=*)
8b93ddc3 1598 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1599 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1600 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1601 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1602 $action $(filter "$name" $list)
7483e694
DB
1603 ;;
1604 --enable-?*|--disable-?*)
5e622c40 1605 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1606 if is_in $option $COMPONENT_LIST; then
fed5d54b 1607 test $action = disable && action=unset
e3773a55
MR
1608 eval $action \$$(toupper ${option%s})_LIST
1609 elif is_in $option $CMDLINE_SELECT; then
1610 $action $option
1611 else
1612 die_unknown $opt
1613 fi
7483e694
DB
1614 ;;
1615 --list-*)
1616 NAME="${opt#--list-}"
1617 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1618 NAME=${NAME%s}
1619 eval show_list $NAME \$$(toupper $NAME)_LIST
1620 ;;
1621 --help|-h) show_help
1622 ;;
1623 *)
884a36a7 1624 optname="${opt%%=*}"
26759c44
MR
1625 optname="${optname#--}"
1626 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1627 if is_in $optname $CMDLINE_SET; then
1628 eval $optname='$optval'
1629 elif is_in $optname $CMDLINE_APPEND; then
1630 append $optname "$optval"
1631 else
1632 die_unknown $opt
1633 fi
7483e694
DB
1634 ;;
1635 esac
c597172e
MR
1636done
1637
bcea99bb
MR
1638disabled logging && logfile=/dev/null
1639
13cbe2c0 1640echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1641set >> $logfile
1642
9da6609f
MR
1643test -n "$cross_prefix" && enable cross_compile
1644
8d4c00ed
MR
1645if enabled cross_compile; then
1646 test -n "$arch" && test -n "$target_os" ||
1647 die "Must specify target arch and OS when cross-compiling"
1648fi
1649
1650set_default arch target_os
1651
121d78d0 1652ar_default="${cross_prefix}${ar_default}"
11e6d03a 1653cc_default="${cross_prefix}${cc_default}"
20e0ed95 1654nm_default="${cross_prefix}${nm_default}"
adb2b908 1655ranlib="${cross_prefix}${ranlib}"
4f837398 1656strip_default="${cross_prefix}${strip_default}"
adb2b908 1657
c5200f17
MR
1658sysinclude_default="${sysroot}/usr/include"
1659
4f837398 1660set_default cc nm strip sysinclude
9da6609f
MR
1661enabled cross_compile || host_cc_default=$cc
1662set_default host_cc
13c7df3d 1663
82bb3329
MR
1664exesuf() {
1665 case $1 in
1666 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1667 esac
1668}
1669
1670EXESUF=$(exesuf $target_os)
1671HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1672
e4e69e0b 1673# set temporary file name
a49d42c2 1674: ${TMPDIR:=$TEMPDIR}
c51fafa1 1675: ${TMPDIR:=$TMP}
a49d42c2 1676: ${TMPDIR:=/tmp}
e4e69e0b 1677
54460a83
MR
1678if ! check_cmd type mktemp; then
1679 # simple replacement for missing mktemp
1680 # NOT SAFE FOR GENERAL USE
1681 mktemp(){
1682 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1683 }
1684fi
1685
1686tmpfile(){
1687 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1688 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1689 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1690 append TMPFILES $tmp
1691 eval $1=$tmp
1692}
1693
1694trap 'rm -f -- $TMPFILES' EXIT
1695trap exit HUP INT TERM
1696
1697tmpfile TMPC .c
1698tmpfile TMPE $EXESUF
1699tmpfile TMPH .h
1700tmpfile TMPO .o
1701tmpfile TMPS .S
a482e61b 1702tmpfile TMPV .ver
54460a83
MR
1703tmpfile TMPSH .sh
1704
1705unset -f mktemp
e4e69e0b 1706
993f2d0f
MR
1707# make sure we can execute files in $TMPDIR
1708cat > $TMPSH 2>> $logfile <<EOF
1709#! /bin/sh
1710EOF
1711chmod +x $TMPSH >> $logfile 2>&1
1712if ! $TMPSH >> $logfile 2>&1; then
1713 cat <<EOF
1714Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1715variable to another directory and make sure that it is not mounted noexec.
1716EOF
1717 die "Sanity test failed."
1718fi
993f2d0f 1719
19b4c628
MR
1720filter_cflags=echo
1721filter_cppflags=echo
1722filter_asflags=echo
1723
8f0c157a 1724if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1725 cc_type=gcc
a3d7c197 1726 cc_version=__VERSION__
aef6bd1b
MR
1727 if ! $cc -dumpversion | grep -q '^2\.'; then
1728 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1729 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1730 fi
14ca9cd0
MR
1731 speed_cflags='-O3'
1732 size_cflags='-Os'
629687f6
MR
1733elif $cc --version 2>/dev/null | grep -q Intel; then
1734 cc_type=icc
6e3fa35d 1735 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1736 CC_DEPFLAGS='-MMD'
1737 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1738 speed_cflags='-O3'
1739 size_cflags='-Os'
b05394a0 1740 noopt_cflags='-O1'
629687f6
MR
1741elif $cc -v 2>&1 | grep -q xlc; then
1742 cc_type=xlc
6e3fa35d 1743 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1744 speed_cflags='-O5'
1745 size_cflags='-O5 -qcompact'
df442a8d
MR
1746elif $cc -V 2>/dev/null | grep -q Compaq; then
1747 cc_type=ccc
6e3fa35d 1748 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1749 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1750 debuglevel=3
df442a8d 1751 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1752 speed_cflags='-fast'
1753 size_cflags='-O1'
6a0d5493 1754elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1755 test -d "$sysroot" || die "No valid sysroot specified."
1756 cc_type=armcc
6e3fa35d 1757 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1758 armcc_conf="$PWD/armcc.conf"
1759 $cc --arm_linux_configure \
1760 --arm_linux_config_file="$armcc_conf" \
1761 --configure_sysroot="$sysroot" \
1762 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1763 die "Error creating armcc configuration file."
1764 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1765 as_default="${cross_prefix}gcc"
07dec06e
MR
1766 CC_DEPFLAGS='-MMD'
1767 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1768 speed_cflags='-O3'
1769 size_cflags='-Os'
6fec122a
MR
1770elif $cc -version 2>/dev/null | grep -q TMS470; then
1771 cc_type=tms470
6e3fa35d 1772 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1773 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1774 CC_O='-fr=$(@D)'
1775 as_default="${cross_prefix}gcc"
1776 ld_default="${cross_prefix}gcc"
6fec122a
MR
1777 TMPO=$(basename $TMPC .c).o
1778 append TMPFILES $TMPO
1779 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1780 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1781 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1782 speed_cflags='-O3 -mf=5'
1783 size_cflags='-O3 -mf=2'
6fec122a
MR
1784 filter_cflags=tms470_flags
1785 tms470_flags(){
1786 for flag; do
1787 case $flag in
1788 -march=*|-mcpu=*)
1789 case "${flag#*=}" in
1790 armv7-a|cortex-a*) echo -mv=7a8 ;;
1791 armv7-r|cortex-r*) echo -mv=7r4 ;;
1792 armv7-m|cortex-m*) echo -mv=7m3 ;;
1793 armv6*|arm11*) echo -mv=6 ;;
1794 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1795 echo -mv=5e ;;
1796 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1797 esac
1798 ;;
1799 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1800 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1801 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1802 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1803 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1804 -g) echo -g -mn ;;
587d24ff 1805 -pds=*) echo $flag ;;
6fec122a
MR
1806 esac
1807 done
1808 }
06da6943
DC
1809elif $cc -v 2>&1 | grep -q clang; then
1810 cc_type=clang
1811 cc_version=__VERSION__
1812 CC_DEPFLAGS='-MMD'
1813 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1814 speed_cflags='-O3'
1815 size_cflags='-Os'
2a472e9c
MK
1816elif $cc -V 2>&1 | grep -q Sun; then
1817 cc_type=suncc
1818 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1819 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1820 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1821 speed_cflags='-O5'
1822 size_cflags='-O5 -xspace'
03279bbe
MK
1823 filter_cflags=suncc_flags
1824 suncc_flags(){
1825 for flag; do
1826 case $flag in
1827 -march=*|-mcpu=*)
1828 case "${flag#*=}" in
1829 native) echo -xtarget=native ;;
87ddc38b 1830 v9|niagara) echo -xarch=sparc ;;
03279bbe 1831 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 1832 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
1833 i586|pentium) echo -xchip=pentium ;;
1834 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1835 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1836 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1837 pentium4*) echo -xtarget=pentium4 ;;
1838 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1839 *-sse3) echo -xarch=sse3 ;;
1840 core2) echo -xarch=ssse3 -xchip=core2 ;;
1841 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1842 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1843 k8|opteron|athlon64|athlon-fx)
1844 echo -xarch=sse2a ;;
1845 athlon*) echo -xarch=pentium_proa ;;
1846 esac
1847 ;;
1848 -std=c99) echo -xc99 ;;
1849 -fomit-frame-pointer) echo -xregs=frameptr ;;
1850 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1851 -W*,*) echo $flag ;;
1852 -f*-*|-W*) ;;
1853 *) echo $flag ;;
1854 esac
1855 done
1856 }
629687f6
MR
1857fi
1858
1859test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1860
75bafbac 1861: ${as_default:=$cc}
50567afa 1862: ${dep_cc_default:=$cc}
684b28e0 1863: ${ld_default:=$cc}
121d78d0 1864set_default ar as dep_cc ld
75800dce 1865
07dec06e
MR
1866test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1867test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1868
7f32f40c 1869add_cflags $extra_cflags
2f2e6c7c 1870add_asflags $extra_cflags
7f32f40c 1871
154d432c
MR
1872if test -n "$sysroot"; then
1873 case "$cc_type" in
1874 gcc)
467256f2 1875 add_cppflags --sysroot="$sysroot"
154d432c
MR
1876 add_ldflags --sysroot="$sysroot"
1877 ;;
6fec122a
MR
1878 tms470)
1879 add_cppflags -I"$sysinclude"
1880 add_ldflags --sysroot="$sysroot"
1881 ;;
06da6943 1882 clang)
4def700e
DC
1883 add_cppflags -isysroot "$sysroot"
1884 add_ldflags -isysroot "$sysroot"
06da6943 1885 ;;
154d432c
MR
1886 esac
1887fi
1888
d22c13a8
MR
1889if test "$cpu" = host; then
1890 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1891
1892 case "$cc_type" in
1893 gcc)
1894 check_native(){
1895 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1896 sed -n "/$1=/{
1897 s/.*$1=\\([^ ]*\\).*/\\1/
1898 p
1899 q
1900 }" $TMPE
d22c13a8
MR
1901 }
1902 cpu=$(check_native -march || check_native -mcpu)
1903 ;;
1904 esac
1905
1906 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1907fi
1908
e939cedd
MR
1909# Deal with common $arch aliases
1910case "$arch" in
1911 arm*)
1912 arch="arm"
1913 ;;
1914 mips|mipsel|IP*)
1915 arch="mips"
1916 ;;
47b1860e 1917 mips64*)
e939cedd
MR
1918 arch="mips"
1919 subarch="mips64"
1920 ;;
1921 parisc|hppa)
1922 arch="parisc"
1923 ;;
1924 parisc64|hppa64)
1925 arch="parisc"
1926 subarch="parisc64"
1927 ;;
1928 "Power Macintosh"|ppc|powerpc)
1929 arch="ppc"
1930 ;;
47b1860e 1931 ppc64|powerpc64)
e939cedd
MR
1932 arch="ppc"
1933 subarch="ppc64"
1934 ;;
1935 s390|s390x)
1936 arch="s390"
1937 ;;
1938 sh4|sh)
1939 arch="sh4"
1940 ;;
1941 sun4u|sparc64)
1942 arch="sparc"
1943 subarch="sparc64"
1944 ;;
1945 i[3-6]86|i86pc|BePC|x86_64|amd64)
1946 arch="x86"
1947 ;;
1948esac
1949
1950is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1951enable $arch
e939cedd 1952
df5cdc24 1953# Add processor-specific flags
5d54c126
MR
1954if test "$cpu" = generic; then
1955 : do nothing
1956elif enabled ppc; then
343aef9b 1957
56348891
MR
1958 case $(tolower $cpu) in
1959 601|ppc601|powerpc601)
9dbd5c3d 1960 cpuflags="-mcpu=601"
64ad53ff 1961 disable altivec
9dbd5c3d 1962 ;;
56348891 1963 603*|ppc603*|powerpc603*)
9dbd5c3d 1964 cpuflags="-mcpu=603"
64ad53ff 1965 disable altivec
9dbd5c3d 1966 ;;
56348891 1967 604*|ppc604*|powerpc604*)
9dbd5c3d 1968 cpuflags="-mcpu=604"
64ad53ff 1969 disable altivec
9dbd5c3d 1970 ;;
56348891 1971 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1972 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1973 disable altivec
9dbd5c3d 1974 ;;
56348891 1975 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1976 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1977 ;;
56348891 1978 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1979 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1980 ;;
56348891 1981 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1982 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1983 ;;
56348891 1984 cell)
9dbd5c3d
MR
1985 cpuflags="-mcpu=cell"
1986 enable ldbrx
1987 ;;
7b0b81a1
AL
1988 e500v2)
1989 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1990 disable altivec
1991 ;;
1992 e500)
1993 cpuflags="-mcpu=8540 -mhard-float"
1994 disable altivec
1995 ;;
9dbd5c3d 1996 esac
343aef9b
MR
1997
1998elif enabled x86; then
1999
9dbd5c3d
MR
2000 case $cpu in
2001 i[345]86|pentium)
2002 cpuflags="-march=$cpu"
2003 disable mmx
2004 ;;
2005 # targets that do NOT support conditional mov (cmov)
2006 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2007 cpuflags="-march=$cpu"
2008 disable cmov
2009 ;;
2010 # targets that do support conditional mov (cmov)
a65e687b 2011 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
9dbd5c3d
MR
2012 cpuflags="-march=$cpu"
2013 enable cmov
2014 enable fast_cmov
2015 ;;
2016 # targets that do support conditional mov but on which it's slow
2017 pentium4|pentium4m|prescott|nocona)
2018 cpuflags="-march=$cpu"
2019 enable cmov
2020 disable fast_cmov
2021 ;;
2022 esac
343aef9b
MR
2023
2024elif enabled sparc; then
2025
9dbd5c3d 2026 case $cpu in
26b7199e
MK
2027 niagara)
2028 cpuflags="-mcpu=$cpu"
2029 disable vis
2030 ;;
9dbd5c3d
MR
2031 sparc64)
2032 cpuflags="-mcpu=v9"
2033 ;;
2034 esac
343aef9b
MR
2035
2036elif enabled arm; then
2037
34ba23c9
MR
2038 case $cpu in
2039 armv*)
2040 cpuflags="-march=$cpu"
2041 ;;
2042 *)
2043 cpuflags="-mcpu=$cpu"
2044 ;;
2045 esac
343aef9b
MR
2046
2047elif enabled alpha; then
2048
34ba23c9 2049 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2050
2051elif enabled bfin; then
2052
34ba23c9 2053 cpuflags="-mcpu=$cpu"
343aef9b
MR
2054
2055elif enabled mips; then
2056
34ba23c9 2057 cpuflags="-march=$cpu"
343aef9b
MR
2058
2059elif enabled avr32; then
2060
9dbd5c3d
MR
2061 case $cpu in
2062 ap7[02]0[0-2])
2063 subarch="avr32_ap"
2064 cpuflags="-mpart=$cpu"
2065 ;;
2066 ap)
2067 subarch="avr32_ap"
2068 cpuflags="-march=$cpu"
2069 ;;
2070 uc3[ab]*)
2071 subarch="avr32_uc"
2072 cpuflags="-mcpu=$cpu"
2073 ;;
2074 uc)
2075 subarch="avr32_uc"
2076 cpuflags="-march=$cpu"
2077 ;;
2078 esac
df5cdc24 2079
343aef9b
MR
2080fi
2081
df5cdc24
MR
2082add_cflags $cpuflags
2083add_asflags $cpuflags
2084
993f2d0f
MR
2085# compiler sanity check
2086check_exec <<EOF
2087int main(void){ return 0; }
2088EOF
2089if test "$?" != 0; then
2090 echo "$cc is unable to create an executable file."
2091 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2092 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2093 echo "Only do this if you know what cross compiling means."
2094 fi
2095 die "C compiler test failed."
2096fi
2097
38a9c529 2098add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2099check_cflags -std=c99
50a334e4 2100check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2101#include <stdlib.h>
2102EOF
50a334e4 2103check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2104#include <stdlib.h>
2105EOF
e9b9a2f8 2106
f0125de9
MR
2107check_host_cflags -std=c99
2108
b24dbcbd 2109case "$arch" in
e939cedd 2110 alpha|ia64|mips|parisc|sparc)
8a3c8627 2111 spic=$shared
b24dbcbd 2112 ;;
e939cedd 2113 x86)
cfdb6148 2114 subarch="x86_32"
e939cedd 2115 check_cc <<EOF && subarch="x86_64"
58b3536d 2116 int test[(int)sizeof(char*) - 7];
cfdb6148 2117EOF
de27f4d9 2118 if test "$subarch" = "x86_64"; then
e939cedd 2119 spic=$shared
de27f4d9 2120 fi
b24dbcbd 2121 ;;
b24dbcbd
RP
2122esac
2123
343aef9b 2124enable $subarch
8a3c8627 2125enabled spic && enable pic
b24dbcbd 2126
7483e694 2127# OS specific
4f854758 2128case $target_os in
a1629e28 2129 haiku)
63ae7e7c 2130 prefix_default="/boot/common"
108caaaa 2131 network_extralibs="-lnetwork"
a1629e28 2132 ;;
7483e694
DB
2133 sunos)
2134 FFSERVERLDFLAGS=""
9987769a 2135 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2136 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2137 network_extralibs="-lsocket -lnsl"
50a334e4 2138 add_cppflags -D__EXTENSIONS__
8182dc34 2139 nm_opts='-P -g'
7483e694
DB
2140 ;;
2141 netbsd)
07a8eef6
MR
2142 oss_indev_extralibs="-lossaudio"
2143 oss_outdev_extralibs="-lossaudio"
2138dc99 2144 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2145 ;;
2146 openbsd)
89e053f8 2147 enable malloc_aligned
7c4a001a
MR
2148 # On OpenBSD 4.5. the compiler does not use PIC unless
2149 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2150 # however the generated executable will not do anything
2151 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2152 # Thus explicitly enable PIC here.
cd78208b 2153 enable pic
7483e694 2154 SHFLAGS='-shared'
07a8eef6
MR
2155 oss_indev_extralibs="-lossaudio"
2156 oss_outdev_extralibs="-lossaudio"
7483e694 2157 ;;
90b4f091 2158 freebsd|dragonfly)
89e053f8 2159 enable malloc_aligned
7483e694
DB
2160 ;;
2161 bsd/os)
2162 osextralibs="-lpoll -lgnugetopt"
2163 strip="strip -d"
2164 ;;
2165 darwin)
89e053f8 2166 enable malloc_aligned
0138c54e 2167 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
be90cd27 2168 strip="${strip} -x"
7483e694
DB
2169 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2170 SLIBSUF=".dylib"
2171 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2172 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2173 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2174 objformat="macho"
1b0f6fb8 2175 enabled x86_64 && objformat="macho64"
8dfa86f7 2176 enabled_any pic shared ||
2704bd1a 2177 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2178 ;;
2179 mingw32*)
9d3f4f50 2180 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2181 disable network
2182 else
2183 target_os=mingw32
2184 fi
dcc01c06 2185 LIBTARGET=i386
1fc9fb8a 2186 if enabled x86_64; then
89e053f8 2187 enable malloc_aligned
dcc01c06 2188 LIBTARGET=x64
336cc1b0
MS
2189 elif enabled arm; then
2190 LIBTARGET=arm
dcc01c06 2191 fi
fbd971a4 2192 shlibdir_default="$bindir_default"
7483e694
DB
2193 disable ffserver
2194 SLIBPREF=""
2195 SLIBSUF=".dll"
7483e694
DB
2196 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2197 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2198 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2199 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2200 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2201 install -d "$(LIBDIR)"; \
2202 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2203 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2204 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2205 objformat="win32"
bc574408 2206 enable dos_paths
1894e741 2207 check_cflags -fno-common
b1549d61 2208 if ! enabled x86_64; then
f7ad5aa2
RP
2209 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2210 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2211 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2212 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2213 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2214 fi
7483e694
DB
2215 ;;
2216 cygwin*)
4f854758 2217 target_os=cygwin
fbd971a4 2218 shlibdir_default="$bindir_default"
7483e694
DB
2219 SLIBPREF="cyg"
2220 SLIBSUF=".dll"
2221 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2222 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2223 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2224 objformat="win32"
bc574408 2225 enable dos_paths
1894e741 2226 check_cflags -fno-common
7483e694 2227 ;;
4f365f37 2228 *-dos|freedos|opendos)
fdf11906 2229 disable ffplay ffserver
4f365f37
MK
2230 disable $INDEV_LIST $OUTDEV_LIST
2231 network_extralibs="-lsocket"
ff1c015d 2232 objformat="coff"
bc574408 2233 enable dos_paths
4f365f37 2234 ;;
7483e694 2235 linux)
7483e694
DB
2236 enable dv1394
2237 ;;
2238 irix*)
4f854758 2239 target_os=irix
7483e694
DB
2240 ranlib="echo ignoring ranlib"
2241 ;;
d22e8442 2242 os/2*)
d22e8442
DY
2243 strip="lxlite"
2244 ln_s="cp -f"
d22e8442 2245 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2246 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2247 FFSERVERLDFLAGS=""
287d3b13 2248 LIBSUF="_s.a"
d22e8442
DY
2249 SLIBPREF=""
2250 SLIBSUF=".dll"
2251 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2252 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2253 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2254 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2255 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2256 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2257 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2258 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2259 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2260 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2261 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2262 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2263 enable dos_paths
d22e8442 2264 ;;
83993c1c
AM
2265 gnu/kfreebsd)
2266 ;;
34e82167 2267 gnu)
34e82167 2268 ;;
614d8911
MR
2269 none)
2270 ;;
7483e694 2271 *)
4f924f9a 2272 die "Unknown OS '$target_os'."
7483e694
DB
2273 ;;
2274esac
2275
13cb2187
AS
2276check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2277
c9d19248
MR
2278set_default $PATHS_LIST
2279
c597172e 2280add_extralibs $osextralibs
de6d9b64 2281
28d8e661
DB
2282# Combine FFLDFLAGS and the LDFLAGS environment variable.
2283LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2284
320d060a 2285# we need to build at least one lib type
93b3c083 2286if ! enabled_any static shared; then
320d060a
DB
2287 cat <<EOF
2288At least one library type must be built.
2289Specify --enable-static to build the static libraries or --enable-shared to
2290build the shared libraries as well. To only build the shared libraries specify
2291--disable-static in addition to --enable-shared.
2292EOF
2293 exit 1;
2294fi
2295
abc4e572 2296disabled static && LIBNAME=""
2a320695 2297
2184c6f7 2298die_license_disabled() {
4c27207c 2299 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2300}
2301
2184c6f7
DB
2302die_license_disabled gpl libx264
2303die_license_disabled gpl libxvid
2304die_license_disabled gpl postproc
2305die_license_disabled gpl x11grab
2306
2f7ae63b 2307die_license_disabled nonfree libfaac
b2e3c528 2308
0b175caa
DB
2309die_license_disabled version3 libopencore_amrnb
2310die_license_disabled version3 libopencore_amrwb
2311
9cad0e4e 2312enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2313
9eeed841 2314check_deps $ARCH_EXT_LIST
0f3cb305 2315
40617a6d 2316disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2317
e276d9e8
MR
2318enable_pic() {
2319 enable pic
bce7b696
MR
2320 add_cppflags -DPIC
2321 add_cflags -fPIC
2322 add_asflags -fPIC
e276d9e8
MR
2323}
2324
2325enabled pic && enable_pic
bce7b696 2326
b4d96ba2
MR
2327check_cc <<EOF || die "Symbol mangling check failed."
2328int ff_extern;
2329EOF
8182dc34 2330sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2331extern_prefix=${sym%%ff_extern*}
2332
f65883c8
MR
2333check_cc <<EOF && enable inline_asm
2334void foo(void) { __asm__ volatile ("" ::); }
2335EOF
61d251db 2336
df5e3978
MR
2337_restrict=
2338for restrict_keyword in restrict __restrict__ __restrict; do
2339 check_cc <<EOF && _restrict=$restrict_keyword && break
2340void foo(char * $restrict_keyword p);
2341EOF
2342done
2343
2344check_cc <<EOF && enable attribute_packed
2345struct { int x; } __attribute__((packed)) x;
2346EOF
2347
dffb41b9
MR
2348check_cc <<EOF && enable attribute_may_alias
2349union { int x; } __attribute__((may_alias)) x;
2350EOF
2351
df5e3978
MR
2352check_cc <<EOF || die "endian test failed"
2353unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2354EOF
48fc536a 2355od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2356
e939cedd
MR
2357if enabled alpha; then
2358
2359 check_cflags -mieee
2360
2361elif enabled arm; then
e45391bb 2362
50fa82e6
MR
2363 check_cflags -marm
2364
fa0912fe
MR
2365 check_ld <<EOF && enable vfp_args
2366__asm__ (".eabi_attribute 28, 1");
2367int main(void) { return 0; }
2368EOF
2369
2370 # We have to check if pld is a nop and disable it.
2371 check_asm pld '"pld [r0]"'
2372
2373 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2374 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2375 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2376 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2377 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2378 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2379
e276d9e8
MR
2380 enabled_all armv6t2 shared !pic && enable_pic
2381
fa0912fe 2382elif enabled mips; then
e45391bb 2383
fa0912fe
MR
2384 check_asm loongson '"dmult.g $1, $2, $3"'
2385 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2386
fa0912fe 2387elif enabled ppc; then
e45391bb 2388
e6a0c354
MR
2389 enable local_aligned_8 local_aligned_16
2390
fa0912fe
MR
2391 check_asm dcbzl '"dcbzl 0, 1"'
2392 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2393 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2394
2395 # AltiVec flags: The FSF version of GCC differs from the Apple version
2396 if enabled altivec; then
2397 check_cflags -maltivec -mabi=altivec &&
2398 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2399 check_cflags -faltivec
2400
2401 # check if our compiler supports Motorola AltiVec C API
2402 check_cc <<EOF || disable altivec
2403$inc_altivec_h
2404int main(void) {
2405 vector signed int v1, v2, v3;
2406 v1 = vec_add(v2,v3);
2407 return 0;
2408}
2409EOF
2410
2411 # check if our compiler supports braces for vector declarations
2412 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2413$inc_altivec_h
2414int main (void) { (vector int) {1}; return 0; }
2415EOF
2416 fi
e45391bb 2417
fa0912fe 2418elif enabled sparc; then
e45391bb 2419
fa0912fe
MR
2420 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2421 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2422
fa0912fe 2423elif enabled x86; then
e45391bb 2424
e6a0c354
MR
2425 enable local_aligned_8 local_aligned_16
2426
44965991
PI
2427 # check whether EBP is available on x86
2428 # As 'i' is stored on the stack, this program will crash
2429 # if the base pointer is used to access it because the
2430 # base pointer is cleared in the inline assembly code.
7dfef245 2431 check_exec_crash <<EOF && enable ebp_available
44965991 2432 volatile int i=0;
be449fca 2433 __asm__ volatile (
44965991
PI
2434 "xorl %%ebp, %%ebp"
2435 ::: "%ebp");
2436 return i;
44965991
PI
2437EOF
2438
f494213c 2439 # check whether EBX is available on x86
7cee5421
MR
2440 check_asm ebx_available '""::"b"(0)' &&
2441 check_asm ebx_available '"":::"%ebx"'
8e380710 2442
d3a4b4e0
DB
2443 # check whether more than 10 operands are supported
2444 check_cc <<EOF && enable ten_operands
2445int main(void) {
2446 int x=0;
2447 __asm__ volatile(
2448 ""
2449 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2450 );
2451 return 0;
2452}
2453EOF
2454
d7f0920b 2455 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2456 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2457 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2458
2459 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2460
d52481b9 2461 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2462 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2463 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2464 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2465 case "$objformat" in
2466 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2467 esac
31a0dcb2
MR
2468 if ! disabled yasm; then
2469 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2470 warn "yasm not found, performance will suffer"
2471 fi
e45391bb 2472
669b5583
MR
2473 case "$cpu" in
2474 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2475 disable fast_clz
2476 ;;
2477 esac
2478
44965991
PI
2479fi
2480
a98bb16d
RP
2481if check_func dlopen; then
2482 ldl=
2483elif check_func dlopen -ldl; then
2484 ldl=-ldl
8bf5d58f
MN
2485fi
2486
75ecf149
DB
2487# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2488check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2489
7483e694 2490check_func fork
84882df6 2491check_func getaddrinfo $network_extralibs
7483e694
DB
2492check_func gethrtime
2493check_func getrusage
fc5607f8 2494check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2495check_func inet_aton $network_extralibs
abfc8d05 2496check_func isatty
4ae40685 2497check_func ${malloc_prefix}memalign && enable memalign
7483e694 2498check_func mkstemp
4ae40685 2499check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2500check_func setrlimit
87958234 2501check_func strerror_r
b507ebd1 2502check_func_headers io.h setmode
e4673692 2503check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2504check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2505check_func_headers windows.h GetProcessTimes
7c5bfe7a 2506check_func_headers windows.h VirtualAlloc
6ffa87d3 2507
e16e49ac 2508check_header conio.h
a98bb16d 2509check_header dlfcn.h
92c6a099 2510check_header dxva2api.h
a98bb16d 2511check_header malloc.h
bf6ce82d 2512check_header poll.h
b58412f1 2513check_header sys/mman.h
b091aa44 2514check_header sys/resource.h
bf6ce82d 2515check_header sys/select.h
a98bb16d 2516check_header termios.h
272081b0
CEH
2517check_header vdpau/vdpau.h
2518check_header vdpau/vdpau_x11.h
68178ca9 2519check_header X11/extensions/XvMClib.h
a98bb16d 2520
9104cd51
RP
2521check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2522
89e053f8
MR
2523if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2524 enabled_any $need_memalign ; then
1f91cdce 2525 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2526fi
e16e49ac 2527
a4fa192c 2528disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2529disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2530
2531# check for some common methods of building with pthread support
2532# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
2533if ! disabled pthreads && ! enabled w32threads; then
2534 enable pthreads
9e7fd101
MR
2535 if check_func pthread_create; then
2536 :
2537 elif check_func pthread_create -pthread; then
2538 add_cflags -pthread
afc9aee2 2539 add_extralibs -pthread
9e7fd101
MR
2540 elif check_func pthread_create -pthreads; then
2541 add_cflags -pthreads
afc9aee2 2542 add_extralibs -pthreads
8d94f606
GT
2543 elif check_func pthread_create -lpthreadGC2; then
2544 add_extralibs -lpthreadGC2
9e7fd101 2545 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 2546 disable pthreads
9e7fd101 2547 fi
57bd82d4
MR
2548fi
2549
8eee7025 2550for thread in $THREADS_LIST; do
e5f94c2b 2551 if enabled $thread; then
3ae3b721
RP
2552 test -n "$thread_type" &&
2553 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2554 thread_type="$thread"
e5f94c2b
RP
2555 fi
2556done
2557
fdf88598 2558check_lib math.h sin -lm
edd43c95 2559disabled vaapi || check_lib va/va.h vaInitialize -lva
fdf88598 2560
645d2652
MR
2561check_mathfunc exp2
2562check_mathfunc exp2f
2563check_mathfunc llrint
07876e25 2564check_mathfunc llrintf
645d2652
MR
2565check_mathfunc log2
2566check_mathfunc log2f
2567check_mathfunc lrint
2568check_mathfunc lrintf
2569check_mathfunc round
2570check_mathfunc roundf
2571check_mathfunc truncf
f32adb22 2572
57bd82d4 2573# these are off by default, so fail if requested and not available
a1b3c5a3 2574enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2575enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2576 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2577 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097 2578enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5af41508 2579enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2580enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2581enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2582enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2583enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2584enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3a9bc39e 2585enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
36718e51
DB
2586enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2587 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2588enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2589enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2590enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
ee0e9146
JZ
2591enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2592 require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
60877ad9 2593enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
652d9d24
JGG
2594 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2595 die "ERROR: libx264 version must be >= 0.98."; }
2bfecf73 2596enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2597enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2598
0b4a1821
AS
2599# libdc1394 check
2600if enabled libdc1394; then
2601 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2602 enable libdc1394_2; } ||
2603 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2604 enable libdc1394_1; } ||
2605 die "ERROR: No version of libdc1394 found "
2606fi
2607
6a1a892f 2608SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2609if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2610 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2611 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2612 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2613 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2614 enable sdl &&
2615 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2616fi
57bd82d4 2617
2270b4b2 2618texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2619
73b46a95 2620if enabled network; then
96000432 2621 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2622 check_type netdb.h "struct addrinfo"
b4d68544
MS
2623 check_type netinet/in.h "struct ipv6_mreq"
2624 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2625 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2626 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2627 # Prefer arpa/inet.h over winsock2
2628 if check_header arpa/inet.h ; then
2629 check_func closesocket
2630 elif check_header winsock2.h ; then
f4c13872
MS
2631 check_func_headers winsock2.h closesocket -lws2 && \
2632 network_extralibs="-lws2" || \
2633 { check_func_headers winsock2.h closesocket -lws2_32 && \
2634 network_extralibs="-lws2_32"; }
72be9e73 2635 check_type ws2tcpip.h socklen_t
c0018613 2636 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2637 check_type ws2tcpip.h "struct ipv6_mreq"
2638 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2639 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2640 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2641 else
2642 disable network
73b46a95
RP
2643 fi
2644fi
2645
06e31011
RP
2646check_header linux/videodev.h
2647check_header linux/videodev2.h
1b6e8b73 2648check_header sys/videoio.h
47f38850 2649
27796dc3 2650check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2651
f8aa696f 2652# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2653{ check_header dev/bktr/ioctl_meteor.h &&
2654 check_header dev/bktr/ioctl_bt848.h; } ||
2655{ check_header machine/ioctl_meteor.h &&
2656 check_header machine/ioctl_bt848.h; } ||
2657{ check_header dev/video/meteor/ioctl_meteor.h &&
2658 check_header dev/video/bktr/ioctl_bt848.h; } ||
2659check_header dev/ic/bt8xx.h
f8aa696f 2660
c7682de0
RP
2661check_header sys/soundcard.h
2662check_header soundcard.h
deb29777 2663
b6f3d925 2664enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2665
0e57fe17 2666enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2667
56a059ac 2668enabled x11grab &&
f58f4ce1
GP
2669check_header X11/Xlib.h &&
2670check_header X11/extensions/XShm.h &&
0a045661 2671check_header X11/extensions/Xfixes.h &&
f58f4ce1 2672check_func XOpenDisplay -lX11 &&
781c1aa6
R
2673check_func XShmCreateImage -lX11 -lXext &&
2674check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2675
598ef02b 2676if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2677check_cpp_condition \
2678 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2679 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2680 disable vdpau; }
abf649c7 2681fi
deda2a4a 2682
95e561ec 2683enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2684
2685# add some useful compiler flags if supported
2686check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2687check_cflags -Wall
2688check_cflags -Wno-switch
c07bd6a9
MN
2689check_cflags -Wdisabled-optimization
2690check_cflags -Wpointer-arith
2691check_cflags -Wredundant-decls
cc1fb623 2692check_cflags -Wno-pointer-sign
f4929996 2693check_cflags -Wcast-qual
9aceb3cf 2694check_cflags -Wwrite-strings
652a5bf6 2695check_cflags -Wtype-limits
764551c6 2696check_cflags -Wundef
fc298fd9 2697check_cflags -Wmissing-prototypes
5af4e0cc 2698enabled extra_warnings && check_cflags -Winline
cf9d24ad 2699
57bd82d4 2700# add some linker flags
5c0e9479 2701check_ldflags -Wl,--warn-common
8351d2ba
DB
2702check_ldflags -Wl,--as-needed
2703check_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 2704check_ldflags -Wl,-Bsymbolic
94a3401e 2705
a482e61b 2706echo "X{};" > $TMPV
b462d132 2707if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 2708 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
2709 check_cc <<EOF && enable symver_asm_label
2710void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 2711void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
2712EOF
2713 check_cc <<EOF && enable symver_gnu_asm
2714__asm__(".symver ff_foo,av_foo@VERSION");
2715void ff_foo(void) {}
2716EOF
2717fi
a482e61b 2718
bd2216e4 2719if enabled small; then
14ca9cd0 2720 add_cflags $size_cflags
8400d6b8
DB
2721 optimizations="small"
2722elif enabled optimizations; then
14ca9cd0 2723 add_cflags $speed_cflags
b05394a0
MR
2724else
2725 add_cflags $noopt_cflags
cddf3f45 2726fi
11fdbc44 2727check_cflags -fno-math-errno
b2eb2ff0 2728check_cflags -fno-signed-zeros
cddf3f45 2729
629687f6 2730if enabled icc; then
b1598b58
MR
2731 # Just warnings, no remarks
2732 check_cflags -w1
2733 # -wd: Disable following warnings
2734 # 144, 167, 556: -Wno-pointer-sign
2735 # 10006: ignoring unknown option -fno-signed-zeros
2736 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2737 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2738 # 11030: Warning unknown option --as-needed
2739 # 10156: ignoring option '-export'; no argument required
2740 check_ldflags -wd10156,11030
2741 # Allow to compile with optimizations
2742 check_ldflags -march=$cpu
be2cf98a
CEH
2743 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2744 enable ebp_available
df442a8d
MR
2745elif enabled ccc; then
2746 # disable some annoying warnings
2747 add_cflags -msg_disable cvtu32to64
2748 add_cflags -msg_disable embedcomment
2749 add_cflags -msg_disable needconstext
2750 add_cflags -msg_disable nomainieee
2751 add_cflags -msg_disable ptrmismatch1
2752 add_cflags -msg_disable unreachcode
973859f5
MR
2753elif enabled gcc; then
2754 check_cflags -fno-tree-vectorize
62df111c 2755 check_cflags -Werror=implicit
de63bfec 2756 check_cflags -Werror=missing-prototypes
06da6943
DC
2757elif enabled clang; then
2758 check_cflags -Qunused-arguments
138132be
MR
2759elif enabled armcc; then
2760 # 2523: use of inline assembler is deprecated
2761 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2762 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2763elif enabled tms470; then
2764 add_cflags -pds=824 -pds=837
504a64b9
CEH
2765fi
2766
90be59ef 2767if enabled gprof; then
0f010b2f
DB
2768 add_cflags -p
2769 add_ldflags -p
1db54e20
DB
2770fi
2771
7483e694
DB
2772enabled_any $THREADS_LIST && enable threads
2773
2774check_deps $CONFIG_LIST \
b6bb00b0 2775 $CONFIG_EXTRA \
7483e694
DB
2776 $HAVE_LIST \
2777 $DECODER_LIST \
2778 $ENCODER_LIST \
5666fd73 2779 $HWACCEL_LIST \
7483e694
DB
2780 $PARSER_LIST \
2781 $BSF_LIST \
2782 $DEMUXER_LIST \
2783 $MUXER_LIST \
f7679c54 2784 $FILTER_LIST \
7483e694
DB
2785 $INDEV_LIST \
2786 $OUTDEV_LIST \
2787 $PROTOCOL_LIST \
f70f03f6 2788
3bfd582c 2789enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 2790
3e89171a 2791echo "install prefix $prefix"
f36958f8
DB
2792echo "source path $source_path"
2793echo "C compiler $cc"
f36958f8 2794echo "ARCH $arch ($cpu)"
ce8871c2
MR
2795if test "$build_suffix" != ""; then
2796 echo "build suffix $build_suffix"
eb94aca9 2797fi
ac63af34
DB
2798if test "$extra_version" != ""; then
2799 echo "version string suffix $extra_version"
2800fi
0db2ce77 2801echo "big-endian ${bigendian-no}"
e90f5b5a 2802echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2803if enabled x86; then
af44e8e4 2804 echo "yasm ${yasm-no}"
0db2ce77 2805 echo "MMX enabled ${mmx-no}"
30e98e62 2806 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2807 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2808 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2809 echo "SSE enabled ${sse-no}"
30e98e62 2810 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2811 echo "CMOV enabled ${cmov-no}"
2812 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2813 echo "EBX available ${ebx_available-no}"
2814 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2815 echo "10 operands supported ${ten_operands-no}"
e41e8342 2816fi
5b6c2cbd 2817if enabled arm; then
0db2ce77
MR
2818 echo "ARMv5TE enabled ${armv5te-no}"
2819 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2820 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2821 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2822 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2823 echo "NEON enabled ${neon-no}"
eba9ae3c 2824fi
5b6c2cbd 2825if enabled mips; then
0db2ce77 2826 echo "MMI enabled ${mmi-no}"
e41e8342 2827fi
5b6c2cbd 2828if enabled ppc; then
0db2ce77 2829 echo "AltiVec enabled ${altivec-no}"
30e98e62 2830 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2831 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2832 echo "performance report ${powerpc_perf-no}"
2833fi
2834if enabled sparc; then
2835 echo "VIS enabled ${vis-no}"
e41e8342 2836fi
0db2ce77
MR
2837echo "gprof enabled ${gprof-no}"
2838echo "debug symbols ${debug-no}"
87a0fb62 2839echo "strip symbols ${stripping-no}"
8400d6b8 2840echo "optimizations ${optimizations-no}"
0db2ce77
MR
2841echo "static ${static-no}"
2842echo "shared ${shared-no}"
4a24ab64 2843echo "postprocessing support ${postproc-no}"
f7679c54 2844echo "new filter support ${avfilter-no}"
81124ba0 2845echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2846echo "network support ${network-no}"
0db2ce77
MR
2847echo "threading support ${thread_type-no}"
2848echo "SDL support ${sdl-no}"
0db2ce77
MR
2849echo "Sun medialib support ${mlib-no}"
2850echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2851echo "libdc1394 support ${libdc1394-no}"
690bfceb 2852echo "libdirac enabled ${libdirac-no}"
0db2ce77 2853echo "libfaac enabled ${libfaac-no}"
0db2ce77
MR
2854echo "libgsm enabled ${libgsm-no}"
2855echo "libmp3lame enabled ${libmp3lame-no}"
2856echo "libnut enabled ${libnut-no}"
0b175caa
DB
2857echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2858echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2859echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2860echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2861echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2862echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2863echo "libtheora enabled ${libtheora-no}"
2864echo "libvorbis enabled ${libvorbis-no}"
8299a7f8 2865echo "libvpx enabled ${libvpx-no}"
d6bd62db
DB
2866echo "libx264 enabled ${libx264-no}"
2867echo "libxvid enabled ${libxvid-no}"
0db2ce77 2868echo "zlib enabled ${zlib-no}"
f402916e 2869echo "bzlib enabled ${bzlib-no}"
2c62e737 2870echo
de6d9b64 2871
5666fd73 2872for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2873 echo "Enabled ${type}s:"
f65c9da1 2874 eval list=\$$(toupper $type)_LIST
8138b9db 2875 for part in $list; do
f65c9da1
MR
2876 enabled $part && echo ${part%_*}
2877 done | sort | pr -3 -t
2878 echo
8138b9db
RP
2879done
2880
ba7a7039 2881license="LGPL version 2.1 or later"
ba321adb 2882if enabled nonfree; then
ba7a7039 2883 license="nonfree and unredistributable"
9cad0e4e
DB
2884elif enabled gplv3; then
2885 license="GPL version 3 or later"
2886elif enabled lgplv3; then
2887 license="LGPL version 3 or later"
ba321adb 2888elif enabled gpl; then
ba7a7039 2889 license="GPL version 2 or later"
ba321adb
JK
2890fi
2891
2892echo "License: $license"
ca5323af 2893
cf1392e9
DB
2894echo "Creating config.mak and config.h..."
2895
df642790
MR
2896# build tree in object directory if source path is different from current one
2897if enabled source_path_used; then
2898 DIRS="
2899 doc
2900 libavcodec
2901 libavcodec/$arch
2902 libavdevice
2903 libavfilter
2904 libavformat
2905 libavutil
2906 libavutil/$arch
2907 libpostproc
2908 libswscale
2909 libswscale/$arch
2910 tests
2911 tools
2912 "
2913 FILES="
2914 Makefile
2915 common.mak
2916 subdir.mak
2917 doc/texi2pod.pl
2918 libavcodec/Makefile
43f60eba 2919 libavcodec/${arch}/Makefile
df642790
MR
2920 libavdevice/Makefile
2921 libavfilter/Makefile
2922 libavformat/Makefile
2923 libavutil/Makefile
2924 libpostproc/Makefile
2925 libswscale/Makefile
2926 "
e0e335a0 2927 map 'mkdir -p $v' $DIRS;
43f60eba 2928 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2929fi
2930
ad212cc6
MR
2931enabled stripping || strip="echo skipping strip"
2932
173c983b
MR
2933cat > config.mak <<EOF
2934# Automatically generated by configure - do not modify!
2935ifndef FFMPEG_CONFIG_MAK
2936FFMPEG_CONFIG_MAK=1
2937FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2938prefix=$prefix
2939LIBDIR=\$(DESTDIR)$libdir
2940SHLIBDIR=\$(DESTDIR)$shlibdir
2941INCDIR=\$(DESTDIR)$incdir
2942BINDIR=\$(DESTDIR)$bindir
2943DATADIR=\$(DESTDIR)$datadir
2944MANDIR=\$(DESTDIR)$mandir
2945SRC_PATH="$source_path"
2946SRC_PATH_BARE=$source_path
2947BUILD_ROOT="$PWD"
2948ARCH=$arch
2949CC=$cc
2950AS=$as
2951LD=$ld
2952DEPCC=$dep_cc
2953YASM=$yasmexe
a4aea515 2954YASMDEP=$yasmexe
173c983b
MR
2955AR=$ar
2956RANLIB=$ranlib
4335125c 2957CP=cp -p
173c983b
MR
2958LN_S=$ln_s
2959STRIP=$strip
2960CPPFLAGS=$CPPFLAGS
2961CFLAGS=$CFLAGS
2962ASFLAGS=$ASFLAGS
2963CC_O=$CC_O
2964LDFLAGS=$LDFLAGS
2965FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2966SHFLAGS=$SHFLAGS
2967YASMFLAGS=$YASMFLAGS
2968BUILDSUF=$build_suffix
2969FULLNAME=$FULLNAME
2970LIBPREF=$LIBPREF
2971LIBSUF=$LIBSUF
2972LIBNAME=$LIBNAME
2973SLIBPREF=$SLIBPREF
2974SLIBSUF=$SLIBSUF
2975EXESUF=$EXESUF
2976EXTRA_VERSION=$extra_version
2977DEPFLAGS=$DEPFLAGS
2978CCDEP=$CCDEP
2979ASDEP=$ASDEP
2980CC_DEPFLAGS=$CC_DEPFLAGS
2981AS_DEPFLAGS=$AS_DEPFLAGS
2982HOSTCC=$host_cc
2983HOSTCFLAGS=$host_cflags
2984HOSTEXESUF=$HOSTEXESUF
2985HOSTLDFLAGS=$host_ldflags
2986HOSTLIBS=$host_libs
2987TARGET_EXEC=$target_exec
2988TARGET_PATH=$target_path
2989SDL_LIBS=$sdl_libs
2990SDL_CFLAGS=$sdl_cflags
2991LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2992EXTRALIBS=$extralibs
fd676deb 2993INSTALL=install
1afc4750
MR
2994LIBTARGET=${LIBTARGET}
2995SLIBNAME=${SLIBNAME}
2996SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2997SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2998SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2999SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3000SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3001SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 3002SAMPLES=$samples
173c983b 3003EOF
5a872801 3004
719c8e00
MR
3005get_version(){
3006 name=$1
3007 file=$source_path/$2
147e7692
MR
3008 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3009 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3010 lcname=$(tolower $name)
3011 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3012 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3013}
3014
147e7692
MR
3015get_version LIBSWSCALE libswscale/swscale.h
3016get_version LIBPOSTPROC libpostproc/postprocess.h
3017get_version LIBAVCODEC libavcodec/avcodec.h
3018get_version LIBAVDEVICE libavdevice/avdevice.h
3019get_version LIBAVFORMAT libavformat/avformat.h
3020get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3021get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3022
173c983b
MR
3023cat > $TMPH <<EOF
3024/* Automatically generated by configure - do not modify! */
3025#ifndef FFMPEG_CONFIG_H
3026#define FFMPEG_CONFIG_H
3027#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3028#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3029#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3030#define CC_TYPE "$cc_type"
3031#define CC_VERSION $cc_version
3032#define restrict $_restrict
42719e20 3033#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
173c983b
MR
3034#define EXTERN_PREFIX "${extern_prefix}"
3035#define EXTERN_ASM ${extern_prefix}
3036EOF
523ef551 3037
4ae40685
MR
3038test -n "$malloc_prefix" &&
3039 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3040
523ef551 3041if enabled small || disabled optimizations; then
9a894c48 3042 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3043 echo "#define av_always_inline" >> $TMPH
3044fi
3045
3d907e22
MR
3046print_config ARCH_ $TMPH config.mak $ARCH_LIST
3047print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3048print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3049 $CONFIG_EXTRA \
7483e694
DB
3050 $DECODER_LIST \
3051 $ENCODER_LIST \
5666fd73 3052 $HWACCEL_LIST \
7483e694
DB
3053 $PARSER_LIST \
3054 $BSF_LIST \
3055 $DEMUXER_LIST \
3056 $MUXER_LIST \
f7679c54 3057 $FILTER_LIST \
7483e694
DB
3058 $PROTOCOL_LIST \
3059 $INDEV_LIST \
3060 $OUTDEV_LIST \
8ac17293 3061
9c05103f 3062echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3063echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3064
b7860763 3065# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3066cp_if_changed $TMPH config.h
3d204385 3067
a3e02a8c
MR
3068cat > $TMPH <<EOF
3069/* Generated by ffconf */
3070#ifndef AVUTIL_AVCONFIG_H
3071#define AVUTIL_AVCONFIG_H
3072EOF
3073
3074print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3075
3076echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3077
3078cp_if_changed $TMPH libavutil/avconfig.h
3079
7bfc8ae6
MR
3080test -n "$WARNINGS" && printf "\n$WARNINGS"
3081
d0674868 3082# build pkg-config files
def4272a 3083
d0674868
DB
3084pkgconfig_generate(){
3085name=$1
b0dfd108 3086shortname=${name#lib}${build_suffix}
d0674868
DB
3087comment=$2
3088version=$3
3089libs=$4
3090requires=$5
25cd5cb3 3091cat <<EOF > $name/$name.pc
3e89171a 3092prefix=$prefix
a94e666c 3093exec_prefix=\${prefix}
f2b7382c 3094libdir=$libdir
7622778e 3095includedir=$incdir
def4272a 3096
d0674868
DB
3097Name: $name
3098Description: $comment
3099Version: $version
8cd6b388 3100Requires: $(enabled shared || echo $requires)
5dcfe9f8 3101Requires.private: $(enabled shared && echo $requires)
def4272a 3102Conflicts:
8cd6b388 3103Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3104Libs.private: $(enabled shared && echo $libs)
76a448ed 3105Cflags: -I\${includedir}
def4272a 3106EOF
25cd5cb3 3107cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3108prefix=
3109exec_prefix=
46d1ff83 3110libdir=\${pcfiledir}
1d44d365 3111includedir=${source_path}
def4272a 3112
d0674868
DB
3113Name: $name
3114Description: $comment
3115Version: $version
3116Requires: $requires
def4272a 3117Conflicts:
12701f6e 3118Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3119Cflags: -I\${includedir}
3120EOF
d0674868 3121}
def4272a 3122
e426941d 3123pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3124pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3125pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3126pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3127enabled avfilter &&
46983309 3128 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3129enabled postproc &&
e426941d 3130 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3131pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"