configure: remove unused flag save/restore functions
[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 "$0" "$@"
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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
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255}
256
720c69da 257log_file(){
c8e9f801 258 log BEGIN $1
2270b4b2 259 pr -n -t $1 >> $logfile
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260 log END $1
261}
262
2ba042a7 263echolog(){
c8e9f801 264 log "$@"
57bd82d4 265 echo "$@"
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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"
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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
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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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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
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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#!}" $op "xyes"
44161118
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417}
418
37970ebf 419disabled(){
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420 test "${1#!}" = "$1" && op== || op=!=
421 eval test "x\$${1#!}" $op "xno"
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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 $opt && return 0
445 done
f7b230a7 446 return 1
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447}
448
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449set_default(){
450 for opt; do
88268e94 451 eval : \${$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#!}"
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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
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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
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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
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512 fi
513 done
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514}
515
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516append(){
517 var=$1
518 shift
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519 eval "$var=\"\$$var $*\""
520}
521
50a334e4 522add_cppflags(){
caf458dd 523 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
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524}
525
57bd82d4 526add_cflags(){
caf458dd 527 append CFLAGS $($filter_cflags "$@")
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528}
529
2f2e6c7c 530add_asflags(){
caf458dd 531 append ASFLAGS $($filter_asflags "$@")
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532}
533
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534add_ldflags(){
535 append LDFLAGS "$@"
536}
537
538add_extralibs(){
539 append extralibs "$@"
540}
541
b0cfb663 542check_cmd(){
b3cb5d51 543 log "$@"
2270b4b2 544 "$@" >> $logfile 2>&1
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545}
546
dcd479c0 547check_cc(){
57bd82d4 548 log check_cc "$@"
2270b4b2 549 cat > $TMPC
720c69da 550 log_file $TMPC
50a334e4 551 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
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552}
553
554check_cpp(){
555 log check_cpp "$@"
2270b4b2 556 cat > $TMPC
720c69da 557 log_file $TMPC
9e7f3277 558 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
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559}
560
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561check_as(){
562 log check_as "$@"
563 cat > $TMPC
564 log_file $TMPC
2f2e6c7c 565 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
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566}
567
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568check_asm(){
569 log check_asm "$@"
570 name="$1"
3784e82e 571 code="$2"
940f335a 572 shift 2
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573 disable $name
574 check_as "$@" <<EOF && enable $name
3784e82e 575void foo(void){ __asm__ volatile($code); }
940f335a
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576EOF
577}
578
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579check_yasm(){
580 log check_yasm "$@"
581 echo "$1" > $TMPS
582 log_file $TMPS
583 shift 1
584 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
585}
586
dcd479c0 587check_ld(){
57bd82d4 588 log check_ld "$@"
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589 flags=''
590 libs=''
591 for f; do
592 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
593 done
2a194acd 594 check_cc $($filter_cflags $flags) || return
684b28e0 595 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
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596}
597
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598check_cppflags(){
599 log check_cppflags "$@"
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600 set -- $($filter_cppflags "$@")
601 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
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602int x;
603EOF
604}
605
dcd479c0 606check_cflags(){
57bd82d4 607 log check_cflags "$@"
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608 set -- $($filter_cflags "$@")
609 check_cc "$@" <<EOF && append CFLAGS "$@"
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610int x;
611EOF
612}
613
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614test_ldflags(){
615 log test_ldflags "$@"
616 check_ld "$@" <<EOF
c23a0ac8 617int main(void){ return 0; }
dcd479c0
MR
618EOF
619}
620
2ed46eea
MR
621check_ldflags(){
622 log check_ldflags "$@"
623 test_ldflags "$@" && add_ldflags "$@"
624}
625
dcd479c0 626check_header(){
57bd82d4 627 log check_header "$@"
dcd479c0
MR
628 header=$1
629 shift
b77df637
MR
630 disable_safe $header
631 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
632#include <$header>
633int x;
634EOF
635}
636
637check_func(){
57bd82d4 638 log check_func "$@"
dcd479c0
MR
639 func=$1
640 shift
d8bc5f06
MR
641 disable $func
642 check_ld "$@" <<EOF && enable $func
dcd479c0 643extern int $func();
c23a0ac8 644int main(void){ $func(); }
dcd479c0
MR
645EOF
646}
647
645d2652 648check_mathfunc(){
6b73c0ae 649 log check_mathfunc "$@"
645d2652
MR
650 func=$1
651 shift
652 disable $func
653 check_ld "$@" <<EOF && enable $func
654#include <math.h>
33bd38db
MR
655float foo(float f) { return $func(f); }
656int main(void){ return 0; }
645d2652
MR
657EOF
658}
659
2446d3d6
DB
660check_func_headers(){
661 log check_func_headers "$@"
f8d7b072
MR
662 headers=$1
663 func=$2
664 shift 2
665 disable $func
666 incs=""
667 for hdr in $headers; do
668 incs="$incs
669#include <$hdr>"
670 done
cd0d9a9d 671 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 672$incs
d6773f56 673int main(int argc, char **argv){
2b2c2a81 674 return (long) $func;
f8d7b072
MR
675}
676EOF
677}
678
a5344cf7
SS
679check_cpp_condition(){
680 log check_cpp_condition "$@"
681 header=$1
682 condition=$2
f855b7b9
MR
683 shift 2
684 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
685#include <$header>
686#if !($condition)
687#error "unsatisfied condition: $condition"
688#endif
689EOF
690}
691
57bd82d4
MR
692check_lib(){
693 log check_lib "$@"
694 header="$1"
695 func="$2"
696 shift 2
84400e9d 697 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
698}
699
f8d7b072
MR
700check_lib2(){
701 log check_lib2 "$@"
702 headers="$1"
703 func="$2"
704 shift 2
300cde27 705 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
706}
707
dcd479c0 708check_exec(){
2270b4b2 709 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
710}
711
7dfef245 712check_exec_crash(){
5e622c40 713 code=$(cat)
7dfef245
MR
714
715 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
716 # are safe but may not be available everywhere. Thus we use
717 # raise(SIGTERM) instead. The check is run in a subshell so we
718 # can redirect the "Terminated" message from the shell. SIGBUS
719 # is not defined by standard C so it is used conditionally.
720
2270b4b2 721 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
722#include <signal.h>
723static void sighandler(int sig){
724 raise(SIGTERM);
725}
e5af4a11 726int main(void){
7dfef245
MR
727 signal(SIGILL, sighandler);
728 signal(SIGFPE, sighandler);
729 signal(SIGSEGV, sighandler);
730#ifdef SIGBUS
731 signal(SIGBUS, sighandler);
732#endif
733 { $code }
734}
735EOF
736}
737
72be9e73
DY
738check_type(){
739 log check_type "$@"
740 headers=$1
741 type=$2
742 shift 2
ae550ce9 743 disable_safe "$type"
72be9e73
DY
744 incs=""
745 for hdr in $headers; do
746 incs="$incs
747#include <$hdr>"
748 done
ae550ce9 749 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
750$incs
751$type v;
752EOF
753}
754
14d36751
MR
755check_struct(){
756 log check_type "$@"
757 headers=$1
758 struct=$2
759 member=$3
760 shift 3
761 disable_safe "${struct}_${member}"
762 incs=""
763 for hdr in $headers; do
764 incs="$incs
765#include <$hdr>"
766 done
767 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
768$incs
769const void *p = &(($struct *)0)->$member;
770EOF
771}
772
57bd82d4
MR
773require(){
774 name="$1"
775 header="$2"
776 func="$3"
777 shift 3
778 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
779}
780
f8d7b072
MR
781require2(){
782 name="$1"
783 headers="$2"
784 func="$3"
785 shift 3
786 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
787}
788
f0125de9
MR
789check_host_cc(){
790 log check_host_cc "$@"
791 cat > $TMPC
792 log_file $TMPC
793 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
794}
795
796check_host_cflags(){
797 log check_host_cflags "$@"
798 check_host_cc "$@" <<EOF && append host_cflags "$@"
799int x;
800EOF
801}
802
c505dd31
MR
803apply(){
804 file=$1
805 shift
806 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
807}
808
c34681df
MR
809cp_if_changed(){
810 cmp -s "$1" "$2" &&
811 echo "$2 is unchanged" ||
812 cp -f "$1" "$2"
813}
814
dcd61286
DB
815# CONFIG_LIST contains configurable options, while HAVE_LIST is for
816# system-dependent things.
817
4a0d6686
AJ
818COMPONENT_LIST="
819 bsfs
820 decoders
821 demuxers
822 encoders
3cde40aa 823 filters
5666fd73 824 hwaccels
c552605c 825 indevs
4a0d6686 826 muxers
c552605c 827 outdevs
4a0d6686
AJ
828 parsers
829 protocols
830"
831
832CONFIG_LIST="
833 $COMPONENT_LIST
e8ed9b7a 834 aandct
5a0f7131
MR
835 avcodec
836 avdevice
f7679c54
VS
837 avfilter
838 avfilter_lavf
5a0f7131 839 avformat
c88f5d72 840 avisynth
f402916e 841 bzlib
7f3f5f46 842 dct
c73f65d9 843 doc
05aec7bb 844 dwt
92c6a099 845 dxva2
27a9466b 846 fastdiv
c88f5d72
MR
847 ffmpeg
848 ffplay
336ce917 849 ffprobe
c88f5d72 850 ffserver
1848f7d9 851 fft
4f034993 852 golomb
c88f5d72 853 gpl
ecfc4f44 854 gprof
d8d0d0b2 855 gray
4693b031 856 h264dsp
3abe5fbd 857 hardcoded_tables
f7b8bffe 858 libdc1394
690bfceb 859 libdirac
2eed5a46 860 libfaac
c88f5d72 861 libgsm
6ebe07fb 862 libmp3lame
c88f5d72 863 libnut
0b175caa
DB
864 libopencore_amrnb
865 libopencore_amrwb
9a77d59a 866 libopenjpeg
0f943ce6 867 librtmp
f7cd9eed 868 libschroedinger
ae14f311 869 libspeex
150d2772 870 libtheora
c88f5d72 871 libvorbis
8299a7f8 872 libvpx
1cc60c47
DB
873 libx264
874 libxvid
f4d608e3 875 lpc
b781cc12 876 lsp
47a158cb 877 mdct
c88f5d72 878 memalign_hack
a8150374 879 mlib
c88f5d72
MR
880 mpegaudio_hp
881 network
3fe142e2 882 nonfree
8a3c8627 883 pic
4a24ab64 884 postproc
2b4c3615 885 powerpc_perf
68602540 886 rdft
e90f5b5a 887 runtime_cpudetect
2e35e684 888 shared
bd2216e4 889 small
6b35d421 890 sram
2e35e684 891 static
5a0f7131 892 swscale
a9ddb5b1 893 swscale_alpha
17492d5e
DB
894 vaapi
895 vdpau
9cad0e4e 896 version3
56a059ac 897 x11grab
c88f5d72 898 zlib
4a0d6686 899"
c88f5d72 900
8eee7025 901THREADS_LIST='
8eee7025
DB
902 pthreads
903 w32threads
904'
905
3f5b56e5
MR
906ARCH_LIST='
907 alpha
a2fc0f6a 908 arm
fdcd782d
MR
909 avr32
910 avr32_ap
911 avr32_uc
3f5b56e5
MR
912 bfin
913 ia64
914 m68k
915 mips
bae3abb0 916 mips64
3f5b56e5 917 parisc
79cb09b2 918 ppc
34d11b87 919 ppc64
3f5b56e5
MR
920 s390
921 sh4
922 sparc
923 sparc64
0844bae1 924 tomi
3f5b56e5
MR
925 x86
926 x86_32
927 x86_64
928'
929
930ARCH_EXT_LIST='
1ac9331a 931 altivec
3bf96eec 932 amd3dnow
a1ef9f08 933 amd3dnowext
1ac9331a 934 armv5te
edab3048 935 armv6
ab5cb084 936 armv6t2
f55b299a 937 armvfp
3f5b56e5
MR
938 iwmmxt
939 mmi
940 mmx
d7f0920b 941 mmx2
6b18d278 942 neon
799fde37 943 ppc4xx
1bb04d5a 944 sse
9eeed841 945 ssse3
bd9d34a0 946 vis
3f5b56e5
MR
947'
948
a3e02a8c
MR
949HAVE_LIST_PUB='
950 bigendian
951'
952
3f5b56e5
MR
953HAVE_LIST="
954 $ARCH_EXT_LIST
a3e02a8c 955 $HAVE_LIST_PUB
3f5b56e5 956 $THREADS_LIST
35fd8122 957 alsa_asoundlib_h
3f5b56e5 958 altivec_h
c9fdab0d 959 arpa_inet_h
dffb41b9 960 attribute_may_alias
e7ea5e3d 961 attribute_packed
6bd859d6 962 bswap
ecf97f22 963 closesocket
1ac9331a 964 cmov
e16e49ac 965 conio_h
c88f5d72 966 dcbzl
f8aa696f
DB
967 dev_bktr_ioctl_bt848_h
968 dev_bktr_ioctl_meteor_h
969 dev_ic_bt8xx_h
970 dev_video_meteor_ioctl_meteor_h
971 dev_video_bktr_ioctl_bt848_h
18b67ae5 972 dlfcn_h
c88f5d72 973 dlopen
bc574408 974 dos_paths
245626d0
DB
975 ebp_available
976 ebx_available
6b7c7703
VS
977 exp2
978 exp2f
c2a29455 979 fast_64bit
669b5583 980 fast_clz
7073e9fc 981 fast_cmov
7b829d2a 982 fast_unaligned
9d99cc5a 983 fork
84882df6 984 getaddrinfo
da9e86f8 985 gethrtime
fc5607f8 986 GetProcessMemoryInfo
4e68cb8a 987 GetProcessTimes
66be5b45 988 getrusage
fc5607f8 989 struct_rusage_ru_maxrss
2e1913b1 990 inet_aton
61d251db 991 inline_asm
abfc8d05 992 isatty
9f5ff83f 993 ldbrx
0b4a1821
AS
994 libdc1394_1
995 libdc1394_2
a33cab3a 996 llrint
07876e25 997 llrintf
d96cd429
MR
998 local_aligned_16
999 local_aligned_8
291fd18a 1000 log2
6b7c7703 1001 log2f
85dd97ad 1002 loongson
a33cab3a 1003 lrint
c88f5d72 1004 lrintf
e4673692 1005 lzo1x_999_compress
f8aa696f
DB
1006 machine_ioctl_bt848_h
1007 machine_ioctl_meteor_h
c88f5d72
MR
1008 malloc_h
1009 memalign
6ffa87d3 1010 mkstemp
b4e806b2 1011 pld
1f91cdce 1012 posix_memalign
a33cab3a
MK
1013 round
1014 roundf
c88f5d72
MR
1015 sdl
1016 sdl_video_size
b507ebd1 1017 setmode
72be9e73 1018 socklen_t
deb29777 1019 soundcard_h
f8cda19e 1020 poll_h
0104b608 1021 setrlimit
87958234 1022 strerror_r
c0018613 1023 struct_addrinfo
b4d68544
MS
1024 struct_ipv6_mreq
1025 struct_sockaddr_in6
3b2372bf 1026 struct_sockaddr_sa_len
33a4dbdd 1027 struct_sockaddr_storage
b462d132
MR
1028 symver
1029 symver_gnu_asm
1030 symver_asm_label
b58412f1 1031 sys_mman_h
b091aa44 1032 sys_resource_h
81644c2e 1033 sys_select_h
deb29777 1034 sys_soundcard_h
1b6e8b73 1035 sys_videoio_h
d3a4b4e0 1036 ten_operands
e16e49ac 1037 termios_h
b265431e 1038 threads
7b04b8a0 1039 truncf
ce742de2 1040 vfp_args
7c5bfe7a 1041 VirtualAlloc
6ff3f3e7 1042 winsock2_h
cc078b5d 1043 xform_asm
304d586d 1044 yasm
0cb78cef 1045"
44161118 1046
b6bb00b0
MR
1047# options emitted with CONFIG_ prefix but not available on command line
1048CONFIG_EXTRA="
dc4f5a1c 1049 avutil
9cad0e4e
DB
1050 gplv3
1051 lgplv3
b6bb00b0
MR
1052"
1053
520cc7f1 1054CMDLINE_SELECT="
3f5b56e5 1055 $ARCH_EXT_LIST
520cc7f1 1056 $CONFIG_LIST
8eee7025 1057 $THREADS_LIST
c8a4ae00 1058 asm
db6107b6 1059 cross_compile
520cc7f1
MR
1060 debug
1061 extra_warnings
8c6afa4d 1062 logging
d2bbb2f7 1063 optimizations
87a0fb62 1064 stripping
7595a5e4 1065 yasm
520cc7f1 1066"
426be5dc
DB
1067
1068PATHS_LIST='
d156bede 1069 bindir
14a8acf1 1070 datadir
26759c44
MR
1071 incdir
1072 libdir
26759c44
MR
1073 mandir
1074 prefix
1075 shlibdir
426be5dc
DB
1076'
1077
1078CMDLINE_SET="
1079 $PATHS_LIST
121d78d0 1080 ar
426be5dc 1081 arch
313c46a6 1082 as
426be5dc
DB
1083 build_suffix
1084 cc
1085 cpu
1086 cross_prefix
50567afa 1087 dep_cc
ac63af34 1088 extra_version
9da6609f
MR
1089 host_cc
1090 host_cflags
1091 host_ldflags
1092 host_libs
82bb3329 1093 host_os
684b28e0 1094 ld
426be5dc 1095 logfile
4ae40685 1096 malloc_prefix
89641463 1097 nm
2fad0977 1098 samples
26759c44 1099 source_path
4f837398 1100 strip
c5200f17
MR
1101 sysinclude
1102 sysroot
a7ada2ba 1103 target_exec
26759c44 1104 target_os
a7ada2ba 1105 target_path
426be5dc 1106"
520cc7f1 1107
89f2932b
MR
1108CMDLINE_APPEND="
1109 extra_cflags
1110"
1111
912f3148
DB
1112# code dependency declarations
1113
9eeed841 1114# architecture extensions
808fa33c 1115
a2fc0f6a
MR
1116armv5te_deps="arm"
1117armv6_deps="arm"
ab5cb084 1118armv6t2_deps="arm"
a2fc0f6a
MR
1119armvfp_deps="arm"
1120iwmmxt_deps="arm"
808fa33c
MR
1121neon_deps="arm"
1122
e241ba14 1123mmi_deps="mips"
808fa33c
MR
1124
1125altivec_deps="ppc"
1126ppc4xx_deps="ppc"
1127
1128vis_deps="sparc"
1129
7f8c3d1f 1130x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1131amd3dnow_deps="mmx"
1132amd3dnowext_deps="amd3dnow"
9eeed841 1133mmx_deps="x86"
75aa95a6 1134mmx2_deps="mmx"
75aa95a6
DB
1135sse_deps="mmx"
1136ssse3_deps="sse"
9eeed841 1137
e939cedd 1138fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1139fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1140fast_unaligned_if_any="armv6 ppc x86"
669b5583 1141
89e053f8 1142need_memalign="altivec neon sse"
6fec122a 1143inline_asm_deps="!tms470"
89e053f8 1144
b462d132
MR
1145symver_if_any="symver_asm_label symver_gnu_asm"
1146
26fbcc85
MR
1147# subsystems
1148mdct_select="fft"
1149rdft_select="fft"
1150
5666fd73 1151# decoders / encoders / hardware accelerators
49351479 1152aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1153aac_encoder_select="mdct"
1154ac3_decoder_select="mdct ac3_parser"
f4d608e3 1155alac_encoder_select="lpc"
b781cc12 1156amrnb_decoder_select="lsp"
084cbbaa 1157atrac1_decoder_select="mdct"
26fbcc85
MR
1158atrac3_decoder_select="mdct"
1159binkaudio_dct_decoder_select="mdct rdft dct"
1160binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1161cavs_decoder_select="golomb"
26fbcc85 1162cook_decoder_select="mdct"
2eef7c62 1163cscd_decoder_suggest="zlib"
26fbcc85 1164dca_decoder_select="mdct"
e8ed9b7a 1165dnxhd_encoder_select="aandct"
2eef7c62 1166dxa_decoder_select="zlib"
baf91bb9 1167eac3_decoder_select="ac3_decoder"
84c04e25 1168eamad_decoder_select="aandct"
e8ed9b7a 1169eatgq_decoder_select="aandct"
d52b39c7 1170eatqi_decoder_select="aandct"
4f034993
MR
1171ffv1_decoder_select="golomb"
1172flac_decoder_select="golomb"
f4d608e3 1173flac_encoder_select="golomb lpc"
2eef7c62
AJ
1174flashsv_decoder_select="zlib"
1175flashsv_encoder_select="zlib"
4414137e 1176flv_decoder_select="h263_decoder"
4d4b4bd1 1177flv_encoder_select="h263_encoder"
e8ed9b7a 1178h261_encoder_select="aandct"
7f647ae0 1179h263_decoder_select="h263_parser"
e8ed9b7a 1180h263_encoder_select="aandct"
95a61cfc 1181h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1182h263i_decoder_select="h263_decoder"
fe629c2d 1183h263p_encoder_select="h263_encoder"
4693b031 1184h264_decoder_select="golomb h264dsp"
92c6a099
LA
1185h264_dxva2_hwaccel_deps="dxva2api_h"
1186h264_dxva2_hwaccel_select="dxva2 h264_decoder"
17492d5e 1187h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1188h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1189imc_decoder_select="fft mdct"
4f034993
MR
1190jpegls_decoder_select="golomb"
1191jpegls_encoder_select="golomb"
e8ed9b7a 1192ljpeg_encoder_select="aandct"
4f034993 1193loco_decoder_select="golomb"
e8ed9b7a 1194mjpeg_encoder_select="aandct"
2cca233b 1195mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1196mpeg1video_encoder_select="aandct"
1197mpeg2video_encoder_select="aandct"
4414137e 1198mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1199mpeg4_encoder_select="h263_encoder"
95a61cfc 1200mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1201mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
164aab02
LA
1202mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1203mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1204mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
95a61cfc 1205mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1206mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1207mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1208mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1209msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1210msmpeg4v1_encoder_select="h263_encoder"
4414137e 1211msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1212msmpeg4v2_encoder_select="h263_encoder"
4414137e 1213msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1214msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1215nellymoser_decoder_select="mdct"
1216nellymoser_encoder_select="mdct"
2eef7c62
AJ
1217png_decoder_select="zlib"
1218png_encoder_select="zlib"
b781cc12 1219qcelp_decoder_select="lsp"
26fbcc85 1220qdm2_decoder_select="mdct rdft"
31ed3f1f 1221ra_144_encoder_select="lpc"
a8beb22f 1222rv10_decoder_select="h263_decoder"
b2bf38b4 1223rv10_encoder_select="h263_encoder"
a8beb22f 1224rv20_decoder_select="h263_decoder"
b2bf38b4 1225rv20_encoder_select="h263_encoder"
4693b031
MR
1226rv30_decoder_select="golomb h264dsp"
1227rv40_decoder_select="golomb h264dsp"
4f034993 1228shorten_decoder_select="golomb"
b781cc12 1229sipr_decoder_select="lsp"
05aec7bb
MR
1230snow_decoder_select="dwt"
1231snow_encoder_select="aandct dwt"
4f034993
MR
1232sonic_decoder_select="golomb"
1233sonic_encoder_select="golomb"
1234sonic_ls_encoder_select="golomb"
19ecfb8a 1235svq1_encoder_select="aandct"
4693b031 1236svq3_decoder_select="golomb h264dsp"
bee2eac5 1237svq3_decoder_suggest="zlib"
4eef77c1 1238theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1239tiff_decoder_suggest="zlib"
1240tiff_encoder_suggest="zlib"
aec09a00 1241truehd_decoder_select="mlp_decoder"
2eef7c62 1242tscc_decoder_select="zlib"
b781cc12 1243twinvq_decoder_select="mdct lsp"
f95bfab0 1244vc1_decoder_select="h263_decoder"
9104cd51 1245vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1246vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1247vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1248vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1249vorbis_decoder_select="mdct"
1250vorbis_encoder_select="mdct"
e82dc4c9
DB
1251vp6a_decoder_select="vp6_decoder"
1252vp6f_decoder_select="vp6_decoder"
084cbbaa 1253wmapro_decoder_select="mdct"
26fbcc85
MR
1254wmav1_decoder_select="mdct"
1255wmav1_encoder_select="mdct"
1256wmav2_decoder_select="mdct"
1257wmav2_encoder_select="mdct"
005ad8a0 1258wmavoice_decoder_select="lsp rdft dct"
f95bfab0 1259wmv1_decoder_select="h263_decoder"
665507aa 1260wmv1_encoder_select="h263_encoder"
f95bfab0 1261wmv2_decoder_select="h263_decoder"
1746e2a9 1262wmv2_encoder_select="h263_encoder"
015f8ee0 1263wmv3_decoder_select="vc1_decoder"
f0f86627 1264wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1265wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1266wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1267zlib_decoder_select="zlib"
1268zlib_encoder_select="zlib"
1269zmbv_decoder_select="zlib"
1270zmbv_encoder_select="zlib"
30fd06be 1271
0afab17e 1272vaapi_deps="va_va_h"
c89c96e9
MR
1273vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1274
28b80940 1275# parsers
4693b031 1276h264_parser_select="golomb h264dsp"
28b80940 1277
f1e94694
DB
1278# bitstream_filters
1279aac_adtstoasc_bsf_select="aac_parser"
1280
912f3148 1281# external libraries
1b71f045 1282libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1283libdirac_encoder_deps="libdirac"
c9171a83 1284libfaac_encoder_deps="libfaac"
299c77d5
MR
1285libgsm_decoder_deps="libgsm"
1286libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1287libgsm_ms_decoder_deps="libgsm"
1288libgsm_ms_encoder_deps="libgsm"
1cc60c47 1289libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1290libopencore_amrnb_decoder_deps="libopencore_amrnb"
1291libopencore_amrnb_encoder_deps="libopencore_amrnb"
1292libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1293libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1294libschroedinger_decoder_deps="libschroedinger"
1295libschroedinger_encoder_deps="libschroedinger"
ae14f311 1296libspeex_decoder_deps="libspeex"
150d2772 1297libtheora_encoder_deps="libtheora"
b0caf888 1298libvorbis_encoder_deps="libvorbis"
8299a7f8 1299libvpx_decoder_deps="libvpx"
ee0e9146 1300libvpx_encoder_deps="libvpx"
1cc60c47
DB
1301libx264_encoder_deps="libx264"
1302libxvid_encoder_deps="libxvid"
30fd06be 1303
912f3148 1304# demuxers / muxers
03a76ba9 1305ac3_demuxer_deps="ac3_parser"
647c2356 1306asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1307avisynth_demuxer_deps="avisynth"
1308dirac_demuxer_deps="dirac_parser"
5b423887 1309eac3_demuxer_select="ac3_parser"
647c2356 1310ipod_muxer_select="mov_muxer"
4e622dea
SS
1311libnut_demuxer_deps="libnut"
1312libnut_muxer_deps="libnut"
647c2356 1313matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1314matroska_demuxer_suggest="zlib bzlib"
1315mov_demuxer_suggest="zlib"
1316mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1317mp4_muxer_select="mov_muxer"
1318mpegtsraw_demuxer_select="mpegts_demuxer"
1319mxf_d10_muxer_select="mxf_muxer"
24ca518b 1320ogg_demuxer_select="golomb"
647c2356 1321psp_muxer_select="mov_muxer"
4e622dea 1322rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1323rtsp_muxer_deps="sdp_demuxer"
1324rtsp_muxer_select="rtp_muxer"
4e622dea 1325sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1326sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1327spdif_muxer_select="aac_parser"
647c2356
DB
1328tg2_muxer_select="mov_muxer"
1329tgp_muxer_select="mov_muxer"
6bdaa5f4 1330w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1331
1332# indevs / outdevs
38e54a75
SS
1333alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1334alsa_indev_extralibs="-lasound"
1335alsa_outdev_deps="alsa_asoundlib_h"
1336alsa_outdev_extralibs="-lasound"
38e54a75 1337bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1338dv1394_indev_deps="dv1394 dv_demuxer"
1339jack_indev_deps="jack_jack_h"
1340jack_indev_extralibs="-ljack"
1341libdc1394_indev_deps="libdc1394"
38e54a75
SS
1342oss_indev_deps_any="soundcard_h sys_soundcard_h"
1343oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1344v4l_indev_deps="linux_videodev_h"
1345v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1346vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1347vfwcap_indev_extralibs="-lavicap32"
38e54a75 1348x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1349x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1350
912f3148 1351# protocols
3fff6382 1352gopher_protocol_deps="network"
c08fb000 1353http_protocol_deps="network"
279a0c97 1354http_protocol_select="tcp_protocol"
b4cf3f6c 1355mmst_protocol_deps="network"
deeb7012
MS
1356rtmp_protocol_select="tcp_protocol"
1357rtp_protocol_select="udp_protocol"
c08fb000
AB
1358tcp_protocol_deps="network"
1359udp_protocol_deps="network"
1360
f7679c54 1361# filters
81124ba0 1362movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1363avfilter_lavf_deps="avformat"
1364
1365# libraries
1366avdevice_deps="avcodec avformat"
1367avformat_deps="avcodec"
f7679c54 1368
912f3148 1369# programs
5a0f7131 1370ffmpeg_deps="avcodec avformat swscale"
21ae6790 1371ffmpeg_select="buffer_filter"
5a0f7131 1372ffplay_deps="avcodec avformat swscale sdl"
43689902 1373ffplay_select="rdft"
336ce917 1374ffprobe_deps="avcodec avformat"
5a0f7131 1375ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1376ffserver_extralibs='$ldl'
a2830dca 1377
c73f65d9 1378doc_deps="texi2html"
912f3148 1379
de6d9b64 1380# default parameters
8a608357 1381
19bd477d 1382logfile="config.log"
8a608357
MR
1383
1384# installation paths
c9d19248
MR
1385prefix_default="/usr/local"
1386bindir_default='${prefix}/bin'
14a8acf1 1387datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1388incdir_default='${prefix}/include'
1389libdir_default='${prefix}/lib'
1390mandir_default='${prefix}/share/man'
1391shlibdir_default="$libdir_default"
8a608357
MR
1392
1393# toolchain
121d78d0 1394ar_default="ar"
13c7df3d 1395cc_default="gcc"
a3d7c197 1396cc_version=\"unknown\"
9da6609f 1397host_cc_default="gcc"
11e6d03a 1398ln_s="ln -sf"
89641463 1399nm_default="nm"
11e6d03a 1400objformat="elf"
be7109c1 1401ranlib="ranlib"
4f837398 1402strip_default="strip"
11e6d03a 1403yasmexe="yasm"
8a608357 1404
8182dc34
MR
1405nm_opts='-g'
1406
8a608357 1407# machine
8d4c00ed 1408arch_default=$(uname -m)
38d0a8aa 1409cpu="generic"
8a608357 1410
8a608357 1411# OS
8d4c00ed
MR
1412target_os_default=$(tolower $(uname -s))
1413host_os=$target_os_default
8a608357 1414
8a608357 1415# configurable options
5a0f7131
MR
1416enable avcodec
1417enable avdevice
cccc039f 1418enable avfilter
5a0f7131 1419enable avformat
dc4f5a1c 1420enable avutil
c8a4ae00 1421enable asm
497237c7 1422enable debug
c73f65d9 1423enable doc
aa033b1e 1424enable fastdiv
497237c7
RP
1425enable ffmpeg
1426enable ffplay
336ce917 1427enable ffprobe
497237c7 1428enable ffserver
497237c7
RP
1429enable mpegaudio_hp
1430enable network
8400d6b8 1431enable optimizations
497237c7 1432enable protocols
530dc538 1433enable static
87a0fb62 1434enable stripping
5a0f7131 1435enable swscale
a9ddb5b1 1436enable swscale_alpha
8a608357 1437
8a608357 1438# build settings
9987769a 1439SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1440FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1441LIBPREF="lib"
1442LIBSUF=".a"
c5f14466
RP
1443FULLNAME='$(NAME)$(BUILDSUF)'
1444LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1445SLIBPREF="lib"
1446SLIBSUF=".so"
c5f14466 1447SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1448SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1449SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1450LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1451
7e6c86e6
MR
1452CC_O='-o $@'
1453
f0125de9 1454host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1455host_libs='-lm'
1456
9b861379 1457target_path='$(CURDIR)'
a7ada2ba 1458
0d7dca36
DB
1459# gcc stupidly only outputs the basename of targets with -MM, but we need the
1460# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1461DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1462DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1463
c597172e 1464# find source path
5e622c40 1465source_path="$(dirname "$0")"
497237c7 1466enable source_path_used
24524f36 1467if test -f configure; then
5e622c40 1468 source_path="$(pwd)"
497237c7 1469 disable source_path_used
c597172e 1470else
5e622c40 1471 source_path="$(cd "$source_path"; pwd)"
c597172e 1472 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1473 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1474 test -e "$source_path/config.h" &&
1475 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1476fi
1477
13cbe2c0 1478for v in "$@"; do
b04251c5
MR
1479 r=${v#*=}
1480 l=${v%"$r"}
1481 r=$(sh_quote "$r")
13cbe2c0
MR
1482 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1483done
c597172e 1484
73ef8980
MR
1485find_things(){
1486 thing=$1
1487 pattern=$2
1488 file=$source_path/$3
932ccf39 1489 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1490}
1491
1492ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1493DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1494HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1495PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1496BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1497MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1498DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1499OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1500INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1501PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1502FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1503
8469ae22
MR
1504for n in $COMPONENT_LIST; do
1505 v=$(toupper ${n%s})_LIST
1506 eval enable \$$v
1507 eval ${n}_if_any="\$$v"
1508done
1509
1510enable $ARCH_EXT_LIST
c597172e
MR
1511
1512die_unknown(){
1513 echo "Unknown option \"$1\"."
1514 echo "See $0 --help for available options."
1515 exit 1
1516}
1517
794f8e97 1518show_list() {
bf0c4afa
RP
1519 suffix=_$1
1520 shift
2b444ea7 1521 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1522 exit 0
1523}
1524
c597172e 1525for opt do
7483e694
DB
1526 optval="${opt#*=}"
1527 case "$opt" in
0f010b2f 1528 --extra-ldflags=*) add_ldflags $optval
7483e694 1529 ;;
0f010b2f 1530 --extra-libs=*) add_extralibs $optval
7483e694 1531 ;;
8fb1cb58 1532 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1533 ;;
40bcf4c7
BL
1534 --enable-debug=*) debuglevel="$optval"
1535 ;;
36e2dea0 1536 --disable-everything)
e0e335a0 1537 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1538 ;;
7483e694 1539 --enable-*=*|--disable-*=*)
8b93ddc3 1540 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1541 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1542 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1543 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1544 $action $(filter "$name" $list)
7483e694
DB
1545 ;;
1546 --enable-?*|--disable-?*)
5e622c40 1547 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1548 if is_in $option $COMPONENT_LIST; then
fed5d54b 1549 test $action = disable && action=unset
e3773a55
MR
1550 eval $action \$$(toupper ${option%s})_LIST
1551 elif is_in $option $CMDLINE_SELECT; then
1552 $action $option
1553 else
1554 die_unknown $opt
1555 fi
7483e694
DB
1556 ;;
1557 --list-*)
1558 NAME="${opt#--list-}"
1559 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1560 NAME=${NAME%s}
1561 eval show_list $NAME \$$(toupper $NAME)_LIST
1562 ;;
1563 --help|-h) show_help
1564 ;;
1565 *)
884a36a7 1566 optname="${opt%%=*}"
26759c44
MR
1567 optname="${optname#--}"
1568 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1569 if is_in $optname $CMDLINE_SET; then
1570 eval $optname='$optval'
1571 elif is_in $optname $CMDLINE_APPEND; then
1572 append $optname "$optval"
1573 else
1574 die_unknown $opt
1575 fi
7483e694
DB
1576 ;;
1577 esac
c597172e
MR
1578done
1579
bcea99bb
MR
1580disabled logging && logfile=/dev/null
1581
13cbe2c0 1582echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1583set >> $logfile
1584
9da6609f
MR
1585test -n "$cross_prefix" && enable cross_compile
1586
8d4c00ed
MR
1587if enabled cross_compile; then
1588 test -n "$arch" && test -n "$target_os" ||
1589 die "Must specify target arch and OS when cross-compiling"
1590fi
1591
1592set_default arch target_os
1593
121d78d0 1594ar_default="${cross_prefix}${ar_default}"
11e6d03a 1595cc_default="${cross_prefix}${cc_default}"
20e0ed95 1596nm_default="${cross_prefix}${nm_default}"
adb2b908 1597ranlib="${cross_prefix}${ranlib}"
4f837398 1598strip_default="${cross_prefix}${strip_default}"
adb2b908 1599
c5200f17
MR
1600sysinclude_default="${sysroot}/usr/include"
1601
4f837398 1602set_default cc nm strip sysinclude
9da6609f
MR
1603enabled cross_compile || host_cc_default=$cc
1604set_default host_cc
13c7df3d 1605
82bb3329
MR
1606exesuf() {
1607 case $1 in
1608 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1609 esac
1610}
1611
1612EXESUF=$(exesuf $target_os)
1613HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1614
e4e69e0b 1615# set temporary file name
a49d42c2 1616: ${TMPDIR:=$TEMPDIR}
c51fafa1 1617: ${TMPDIR:=$TMP}
a49d42c2 1618: ${TMPDIR:=/tmp}
e4e69e0b 1619
54460a83
MR
1620if ! check_cmd type mktemp; then
1621 # simple replacement for missing mktemp
1622 # NOT SAFE FOR GENERAL USE
1623 mktemp(){
1624 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1625 }
1626fi
1627
1628tmpfile(){
1629 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1630 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1631 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1632 append TMPFILES $tmp
1633 eval $1=$tmp
1634}
1635
1636trap 'rm -f -- $TMPFILES' EXIT
1637trap exit HUP INT TERM
1638
1639tmpfile TMPC .c
1640tmpfile TMPE $EXESUF
1641tmpfile TMPH .h
1642tmpfile TMPO .o
1643tmpfile TMPS .S
a482e61b 1644tmpfile TMPV .ver
54460a83
MR
1645tmpfile TMPSH .sh
1646
1647unset -f mktemp
e4e69e0b 1648
993f2d0f
MR
1649# make sure we can execute files in $TMPDIR
1650cat > $TMPSH 2>> $logfile <<EOF
1651#! /bin/sh
1652EOF
1653chmod +x $TMPSH >> $logfile 2>&1
1654if ! $TMPSH >> $logfile 2>&1; then
1655 cat <<EOF
1656Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1657variable to another directory and make sure that it is not mounted noexec.
1658EOF
1659 die "Sanity test failed."
1660fi
993f2d0f 1661
19b4c628
MR
1662filter_cflags=echo
1663filter_cppflags=echo
1664filter_asflags=echo
1665
8f0c157a 1666if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1667 cc_type=gcc
a3d7c197 1668 cc_version=__VERSION__
aef6bd1b
MR
1669 if ! $cc -dumpversion | grep -q '^2\.'; then
1670 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1671 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1672 fi
14ca9cd0
MR
1673 speed_cflags='-O3'
1674 size_cflags='-Os'
629687f6
MR
1675elif $cc --version 2>/dev/null | grep -q Intel; then
1676 cc_type=icc
6e3fa35d 1677 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1678 CC_DEPFLAGS='-MMD'
1679 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1680 speed_cflags='-O3'
1681 size_cflags='-Os'
b05394a0 1682 noopt_cflags='-O1'
629687f6
MR
1683elif $cc -v 2>&1 | grep -q xlc; then
1684 cc_type=xlc
6e3fa35d 1685 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1686 speed_cflags='-O5'
1687 size_cflags='-O5 -qcompact'
df442a8d
MR
1688elif $cc -V 2>/dev/null | grep -q Compaq; then
1689 cc_type=ccc
6e3fa35d 1690 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1691 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1692 debuglevel=3
df442a8d 1693 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1694 speed_cflags='-fast'
1695 size_cflags='-O1'
6a0d5493 1696elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1697 test -d "$sysroot" || die "No valid sysroot specified."
1698 cc_type=armcc
6e3fa35d 1699 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1700 armcc_conf="$PWD/armcc.conf"
1701 $cc --arm_linux_configure \
1702 --arm_linux_config_file="$armcc_conf" \
1703 --configure_sysroot="$sysroot" \
1704 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1705 die "Error creating armcc configuration file."
1706 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1707 as_default="${cross_prefix}gcc"
07dec06e
MR
1708 CC_DEPFLAGS='-MMD'
1709 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1710 speed_cflags='-O3'
1711 size_cflags='-Os'
6fec122a
MR
1712elif $cc -version 2>/dev/null | grep -q TMS470; then
1713 cc_type=tms470
6e3fa35d 1714 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1715 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1716 CC_O='-fr=$(@D)'
1717 as_default="${cross_prefix}gcc"
1718 ld_default="${cross_prefix}gcc"
6fec122a
MR
1719 TMPO=$(basename $TMPC .c).o
1720 append TMPFILES $TMPO
1721 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1722 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1723 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1724 speed_cflags='-O3 -mf=5'
1725 size_cflags='-O3 -mf=2'
6fec122a
MR
1726 filter_cflags=tms470_flags
1727 tms470_flags(){
1728 for flag; do
1729 case $flag in
1730 -march=*|-mcpu=*)
1731 case "${flag#*=}" in
1732 armv7-a|cortex-a*) echo -mv=7a8 ;;
1733 armv7-r|cortex-r*) echo -mv=7r4 ;;
1734 armv7-m|cortex-m*) echo -mv=7m3 ;;
1735 armv6*|arm11*) echo -mv=6 ;;
1736 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1737 echo -mv=5e ;;
1738 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1739 esac
1740 ;;
1741 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1742 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1743 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1744 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1745 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1746 -g) echo -g -mn ;;
587d24ff 1747 -pds=*) echo $flag ;;
6fec122a
MR
1748 esac
1749 done
1750 }
06da6943
DC
1751elif $cc -v 2>&1 | grep -q clang; then
1752 cc_type=clang
1753 cc_version=__VERSION__
1754 CC_DEPFLAGS='-MMD'
1755 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1756 speed_cflags='-O3'
1757 size_cflags='-Os'
2a472e9c
MK
1758elif $cc -V 2>&1 | grep -q Sun; then
1759 cc_type=suncc
1760 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1761 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1762 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1763 speed_cflags='-O5'
1764 size_cflags='-O5 -xspace'
03279bbe
MK
1765 filter_cflags=suncc_flags
1766 suncc_flags(){
1767 for flag; do
1768 case $flag in
1769 -march=*|-mcpu=*)
1770 case "${flag#*=}" in
1771 native) echo -xtarget=native ;;
87ddc38b 1772 v9|niagara) echo -xarch=sparc ;;
03279bbe 1773 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 1774 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
1775 i586|pentium) echo -xchip=pentium ;;
1776 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1777 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1778 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1779 pentium4*) echo -xtarget=pentium4 ;;
1780 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1781 *-sse3) echo -xarch=sse3 ;;
1782 core2) echo -xarch=ssse3 -xchip=core2 ;;
1783 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1784 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1785 k8|opteron|athlon64|athlon-fx)
1786 echo -xarch=sse2a ;;
1787 athlon*) echo -xarch=pentium_proa ;;
1788 esac
1789 ;;
1790 -std=c99) echo -xc99 ;;
1791 -fomit-frame-pointer) echo -xregs=frameptr ;;
1792 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1793 -W*,*) echo $flag ;;
1794 -f*-*|-W*) ;;
1795 *) echo $flag ;;
1796 esac
1797 done
1798 }
629687f6
MR
1799fi
1800
851ffa80
MR
1801test -n "$cc_type" && enable $cc_type ||
1802 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 1803
75bafbac 1804: ${as_default:=$cc}
50567afa 1805: ${dep_cc_default:=$cc}
684b28e0 1806: ${ld_default:=$cc}
121d78d0 1807set_default ar as dep_cc ld
75800dce 1808
07dec06e
MR
1809test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1810test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1811
7f32f40c 1812add_cflags $extra_cflags
2f2e6c7c 1813add_asflags $extra_cflags
7f32f40c 1814
154d432c
MR
1815if test -n "$sysroot"; then
1816 case "$cc_type" in
1817 gcc)
467256f2 1818 add_cppflags --sysroot="$sysroot"
154d432c
MR
1819 add_ldflags --sysroot="$sysroot"
1820 ;;
6fec122a
MR
1821 tms470)
1822 add_cppflags -I"$sysinclude"
1823 add_ldflags --sysroot="$sysroot"
1824 ;;
06da6943 1825 clang)
4def700e
DC
1826 add_cppflags -isysroot "$sysroot"
1827 add_ldflags -isysroot "$sysroot"
06da6943 1828 ;;
154d432c
MR
1829 esac
1830fi
1831
d22c13a8
MR
1832if test "$cpu" = host; then
1833 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1834
1835 case "$cc_type" in
1836 gcc)
1837 check_native(){
1838 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1839 sed -n "/$1=/{
1840 s/.*$1=\\([^ ]*\\).*/\\1/
1841 p
1842 q
1843 }" $TMPE
d22c13a8
MR
1844 }
1845 cpu=$(check_native -march || check_native -mcpu)
1846 ;;
1847 esac
1848
1849 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1850fi
1851
e939cedd
MR
1852# Deal with common $arch aliases
1853case "$arch" in
1854 arm*)
1855 arch="arm"
1856 ;;
1857 mips|mipsel|IP*)
1858 arch="mips"
1859 ;;
47b1860e 1860 mips64*)
e939cedd
MR
1861 arch="mips"
1862 subarch="mips64"
1863 ;;
1864 parisc|hppa)
1865 arch="parisc"
1866 ;;
1867 parisc64|hppa64)
1868 arch="parisc"
1869 subarch="parisc64"
1870 ;;
1871 "Power Macintosh"|ppc|powerpc)
1872 arch="ppc"
1873 ;;
47b1860e 1874 ppc64|powerpc64)
e939cedd
MR
1875 arch="ppc"
1876 subarch="ppc64"
1877 ;;
1878 s390|s390x)
1879 arch="s390"
1880 ;;
1881 sh4|sh)
1882 arch="sh4"
1883 ;;
1884 sun4u|sparc64)
1885 arch="sparc"
1886 subarch="sparc64"
1887 ;;
1888 i[3-6]86|i86pc|BePC|x86_64|amd64)
1889 arch="x86"
1890 ;;
1891esac
1892
851ffa80 1893is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 1894enable $arch
e939cedd 1895
df5cdc24 1896# Add processor-specific flags
5d54c126
MR
1897if test "$cpu" = generic; then
1898 : do nothing
1899elif enabled ppc; then
343aef9b 1900
56348891
MR
1901 case $(tolower $cpu) in
1902 601|ppc601|powerpc601)
9dbd5c3d 1903 cpuflags="-mcpu=601"
64ad53ff 1904 disable altivec
9dbd5c3d 1905 ;;
56348891 1906 603*|ppc603*|powerpc603*)
9dbd5c3d 1907 cpuflags="-mcpu=603"
64ad53ff 1908 disable altivec
9dbd5c3d 1909 ;;
56348891 1910 604*|ppc604*|powerpc604*)
9dbd5c3d 1911 cpuflags="-mcpu=604"
64ad53ff 1912 disable altivec
9dbd5c3d 1913 ;;
56348891 1914 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1915 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1916 disable altivec
9dbd5c3d 1917 ;;
56348891 1918 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1919 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1920 ;;
56348891 1921 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1922 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1923 ;;
56348891 1924 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1925 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1926 ;;
56348891 1927 cell)
9dbd5c3d
MR
1928 cpuflags="-mcpu=cell"
1929 enable ldbrx
1930 ;;
7b0b81a1
AL
1931 e500v2)
1932 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1933 disable altivec
1934 ;;
1935 e500)
1936 cpuflags="-mcpu=8540 -mhard-float"
1937 disable altivec
1938 ;;
9dbd5c3d 1939 esac
343aef9b
MR
1940
1941elif enabled x86; then
1942
9dbd5c3d
MR
1943 case $cpu in
1944 i[345]86|pentium)
1945 cpuflags="-march=$cpu"
1946 disable mmx
1947 ;;
1948 # targets that do NOT support conditional mov (cmov)
1949 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1950 cpuflags="-march=$cpu"
1951 disable cmov
1952 ;;
1953 # targets that do support conditional mov (cmov)
a65e687b 1954 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
9dbd5c3d
MR
1955 cpuflags="-march=$cpu"
1956 enable cmov
1957 enable fast_cmov
1958 ;;
1959 # targets that do support conditional mov but on which it's slow
1960 pentium4|pentium4m|prescott|nocona)
1961 cpuflags="-march=$cpu"
1962 enable cmov
1963 disable fast_cmov
1964 ;;
1965 esac
343aef9b
MR
1966
1967elif enabled sparc; then
1968
9dbd5c3d 1969 case $cpu in
26b7199e
MK
1970 niagara)
1971 cpuflags="-mcpu=$cpu"
1972 disable vis
1973 ;;
9dbd5c3d
MR
1974 sparc64)
1975 cpuflags="-mcpu=v9"
1976 ;;
1977 esac
343aef9b
MR
1978
1979elif enabled arm; then
1980
34ba23c9
MR
1981 case $cpu in
1982 armv*)
1983 cpuflags="-march=$cpu"
1984 ;;
1985 *)
1986 cpuflags="-mcpu=$cpu"
1987 ;;
1988 esac
343aef9b
MR
1989
1990elif enabled alpha; then
1991
34ba23c9 1992 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
1993
1994elif enabled bfin; then
1995
34ba23c9 1996 cpuflags="-mcpu=$cpu"
343aef9b
MR
1997
1998elif enabled mips; then
1999
34ba23c9 2000 cpuflags="-march=$cpu"
343aef9b
MR
2001
2002elif enabled avr32; then
2003
9dbd5c3d
MR
2004 case $cpu in
2005 ap7[02]0[0-2])
2006 subarch="avr32_ap"
2007 cpuflags="-mpart=$cpu"
2008 ;;
2009 ap)
2010 subarch="avr32_ap"
2011 cpuflags="-march=$cpu"
2012 ;;
2013 uc3[ab]*)
2014 subarch="avr32_uc"
2015 cpuflags="-mcpu=$cpu"
2016 ;;
2017 uc)
2018 subarch="avr32_uc"
2019 cpuflags="-march=$cpu"
2020 ;;
2021 esac
df5cdc24 2022
343aef9b
MR
2023fi
2024
df5cdc24
MR
2025add_cflags $cpuflags
2026add_asflags $cpuflags
2027
993f2d0f
MR
2028# compiler sanity check
2029check_exec <<EOF
2030int main(void){ return 0; }
2031EOF
2032if test "$?" != 0; then
2033 echo "$cc is unable to create an executable file."
2034 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2035 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2036 echo "Only do this if you know what cross compiling means."
2037 fi
2038 die "C compiler test failed."
2039fi
2040
38a9c529 2041add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2042check_cflags -std=c99
50a334e4 2043check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2044#include <stdlib.h>
2045EOF
50a334e4 2046check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2047#include <stdlib.h>
2048EOF
e9b9a2f8 2049
f0125de9
MR
2050check_host_cflags -std=c99
2051
b24dbcbd 2052case "$arch" in
e939cedd 2053 alpha|ia64|mips|parisc|sparc)
8a3c8627 2054 spic=$shared
b24dbcbd 2055 ;;
e939cedd 2056 x86)
cfdb6148 2057 subarch="x86_32"
e939cedd 2058 check_cc <<EOF && subarch="x86_64"
58b3536d 2059 int test[(int)sizeof(char*) - 7];
cfdb6148 2060EOF
de27f4d9 2061 if test "$subarch" = "x86_64"; then
e939cedd 2062 spic=$shared
de27f4d9 2063 fi
b24dbcbd 2064 ;;
b24dbcbd
RP
2065esac
2066
343aef9b 2067enable $subarch
8a3c8627 2068enabled spic && enable pic
b24dbcbd 2069
7483e694 2070# OS specific
4f854758 2071case $target_os in
a1629e28 2072 haiku)
63ae7e7c 2073 prefix_default="/boot/common"
108caaaa 2074 network_extralibs="-lnetwork"
a1629e28 2075 ;;
7483e694
DB
2076 sunos)
2077 FFSERVERLDFLAGS=""
9987769a 2078 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2079 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2080 network_extralibs="-lsocket -lnsl"
50a334e4 2081 add_cppflags -D__EXTENSIONS__
8182dc34 2082 nm_opts='-P -g'
7483e694
DB
2083 ;;
2084 netbsd)
07a8eef6
MR
2085 oss_indev_extralibs="-lossaudio"
2086 oss_outdev_extralibs="-lossaudio"
2138dc99 2087 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2088 ;;
2089 openbsd)
89e053f8 2090 enable malloc_aligned
7c4a001a
MR
2091 # On OpenBSD 4.5. the compiler does not use PIC unless
2092 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2093 # however the generated executable will not do anything
2094 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2095 # Thus explicitly enable PIC here.
cd78208b 2096 enable pic
7483e694 2097 SHFLAGS='-shared'
07a8eef6
MR
2098 oss_indev_extralibs="-lossaudio"
2099 oss_outdev_extralibs="-lossaudio"
7483e694 2100 ;;
90b4f091 2101 freebsd|dragonfly)
89e053f8 2102 enable malloc_aligned
7483e694
DB
2103 ;;
2104 bsd/os)
2105 osextralibs="-lpoll -lgnugetopt"
2106 strip="strip -d"
2107 ;;
2108 darwin)
89e053f8 2109 enable malloc_aligned
0138c54e 2110 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
be90cd27 2111 strip="${strip} -x"
7483e694
DB
2112 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2113 SLIBSUF=".dylib"
2114 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2115 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2116 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2117 objformat="macho"
1b0f6fb8 2118 enabled x86_64 && objformat="macho64"
8dfa86f7 2119 enabled_any pic shared ||
2704bd1a 2120 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2121 ;;
2122 mingw32*)
9d3f4f50 2123 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2124 disable network
2125 else
2126 target_os=mingw32
2127 fi
dcc01c06 2128 LIBTARGET=i386
1fc9fb8a 2129 if enabled x86_64; then
89e053f8 2130 enable malloc_aligned
dcc01c06 2131 LIBTARGET=x64
336cc1b0
MS
2132 elif enabled arm; then
2133 LIBTARGET=arm
dcc01c06 2134 fi
fbd971a4 2135 shlibdir_default="$bindir_default"
7483e694
DB
2136 disable ffserver
2137 SLIBPREF=""
2138 SLIBSUF=".dll"
7483e694
DB
2139 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2140 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2141 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2142 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2143 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2144 install -d "$(LIBDIR)"; \
2145 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2146 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2147 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2148 objformat="win32"
bc574408 2149 enable dos_paths
1894e741 2150 check_cflags -fno-common
b1549d61 2151 if ! enabled x86_64; then
f7ad5aa2
RP
2152 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2153 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2154 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2155 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2156 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2157 fi
7483e694
DB
2158 ;;
2159 cygwin*)
4f854758 2160 target_os=cygwin
fbd971a4 2161 shlibdir_default="$bindir_default"
7483e694
DB
2162 SLIBPREF="cyg"
2163 SLIBSUF=".dll"
2164 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2165 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2166 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2167 objformat="win32"
bc574408 2168 enable dos_paths
1894e741 2169 check_cflags -fno-common
7483e694 2170 ;;
4f365f37 2171 *-dos|freedos|opendos)
fdf11906 2172 disable ffplay ffserver
4f365f37
MK
2173 disable $INDEV_LIST $OUTDEV_LIST
2174 network_extralibs="-lsocket"
ff1c015d 2175 objformat="coff"
bc574408 2176 enable dos_paths
4f365f37 2177 ;;
7483e694 2178 linux)
7483e694
DB
2179 enable dv1394
2180 ;;
2181 irix*)
4f854758 2182 target_os=irix
7483e694
DB
2183 ranlib="echo ignoring ranlib"
2184 ;;
d22e8442 2185 os/2*)
d22e8442
DY
2186 strip="lxlite"
2187 ln_s="cp -f"
d22e8442 2188 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2189 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2190 FFSERVERLDFLAGS=""
287d3b13 2191 LIBSUF="_s.a"
d22e8442
DY
2192 SLIBPREF=""
2193 SLIBSUF=".dll"
2194 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2195 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2196 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2197 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2198 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2199 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2200 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2201 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2202 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2203 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2204 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2205 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2206 enable dos_paths
d22e8442 2207 ;;
83993c1c
AM
2208 gnu/kfreebsd)
2209 ;;
34e82167 2210 gnu)
34e82167 2211 ;;
614d8911
MR
2212 none)
2213 ;;
7483e694 2214 *)
4f924f9a 2215 die "Unknown OS '$target_os'."
7483e694
DB
2216 ;;
2217esac
2218
13cb2187
AS
2219check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2220
c9d19248
MR
2221set_default $PATHS_LIST
2222
c597172e 2223add_extralibs $osextralibs
de6d9b64 2224
28d8e661
DB
2225# Combine FFLDFLAGS and the LDFLAGS environment variable.
2226LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2227
320d060a 2228# we need to build at least one lib type
93b3c083 2229if ! enabled_any static shared; then
320d060a
DB
2230 cat <<EOF
2231At least one library type must be built.
2232Specify --enable-static to build the static libraries or --enable-shared to
2233build the shared libraries as well. To only build the shared libraries specify
2234--disable-static in addition to --enable-shared.
2235EOF
2236 exit 1;
2237fi
2238
abc4e572 2239disabled static && LIBNAME=""
2a320695 2240
2184c6f7 2241die_license_disabled() {
4c27207c 2242 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2243}
2244
2184c6f7
DB
2245die_license_disabled gpl libx264
2246die_license_disabled gpl libxvid
2247die_license_disabled gpl postproc
2248die_license_disabled gpl x11grab
2249
2f7ae63b 2250die_license_disabled nonfree libfaac
b2e3c528 2251
0b175caa
DB
2252die_license_disabled version3 libopencore_amrnb
2253die_license_disabled version3 libopencore_amrwb
2254
9cad0e4e 2255enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2256
9eeed841 2257check_deps $ARCH_EXT_LIST
0f3cb305 2258
40617a6d 2259disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2260
e276d9e8
MR
2261enable_pic() {
2262 enable pic
bce7b696
MR
2263 add_cppflags -DPIC
2264 add_cflags -fPIC
2265 add_asflags -fPIC
e276d9e8
MR
2266}
2267
2268enabled pic && enable_pic
bce7b696 2269
b4d96ba2
MR
2270check_cc <<EOF || die "Symbol mangling check failed."
2271int ff_extern;
2272EOF
8182dc34 2273sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2274extern_prefix=${sym%%ff_extern*}
2275
f65883c8
MR
2276check_cc <<EOF && enable inline_asm
2277void foo(void) { __asm__ volatile ("" ::); }
2278EOF
61d251db 2279
df5e3978
MR
2280_restrict=
2281for restrict_keyword in restrict __restrict__ __restrict; do
2282 check_cc <<EOF && _restrict=$restrict_keyword && break
2283void foo(char * $restrict_keyword p);
2284EOF
2285done
2286
2287check_cc <<EOF && enable attribute_packed
2288struct { int x; } __attribute__((packed)) x;
2289EOF
2290
dffb41b9
MR
2291check_cc <<EOF && enable attribute_may_alias
2292union { int x; } __attribute__((may_alias)) x;
2293EOF
2294
df5e3978
MR
2295check_cc <<EOF || die "endian test failed"
2296unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2297EOF
48fc536a 2298od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2299
e939cedd
MR
2300if enabled alpha; then
2301
2302 check_cflags -mieee
2303
2304elif enabled arm; then
e45391bb 2305
50fa82e6
MR
2306 check_cflags -marm
2307
fa0912fe
MR
2308 check_ld <<EOF && enable vfp_args
2309__asm__ (".eabi_attribute 28, 1");
2310int main(void) { return 0; }
2311EOF
2312
2313 # We have to check if pld is a nop and disable it.
2314 check_asm pld '"pld [r0]"'
2315
2316 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2317 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2318 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2319 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2320 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2321 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2322
e276d9e8
MR
2323 enabled_all armv6t2 shared !pic && enable_pic
2324
fa0912fe 2325elif enabled mips; then
e45391bb 2326
fa0912fe
MR
2327 check_asm loongson '"dmult.g $1, $2, $3"'
2328 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2329
fa0912fe 2330elif enabled ppc; then
e45391bb 2331
e6a0c354
MR
2332 enable local_aligned_8 local_aligned_16
2333
fa0912fe
MR
2334 check_asm dcbzl '"dcbzl 0, 1"'
2335 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2336 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2337
2338 # AltiVec flags: The FSF version of GCC differs from the Apple version
2339 if enabled altivec; then
2340 check_cflags -maltivec -mabi=altivec &&
2341 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2342 check_cflags -faltivec
2343
2344 # check if our compiler supports Motorola AltiVec C API
2345 check_cc <<EOF || disable altivec
2346$inc_altivec_h
2347int main(void) {
2348 vector signed int v1, v2, v3;
2349 v1 = vec_add(v2,v3);
2350 return 0;
2351}
2352EOF
2353
2354 # check if our compiler supports braces for vector declarations
2355 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2356$inc_altivec_h
2357int main (void) { (vector int) {1}; return 0; }
2358EOF
2359 fi
e45391bb 2360
fa0912fe 2361elif enabled sparc; then
e45391bb 2362
fa0912fe
MR
2363 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2364 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2365
fa0912fe 2366elif enabled x86; then
e45391bb 2367
e6a0c354
MR
2368 enable local_aligned_8 local_aligned_16
2369
44965991
PI
2370 # check whether EBP is available on x86
2371 # As 'i' is stored on the stack, this program will crash
2372 # if the base pointer is used to access it because the
2373 # base pointer is cleared in the inline assembly code.
7dfef245 2374 check_exec_crash <<EOF && enable ebp_available
44965991 2375 volatile int i=0;
be449fca 2376 __asm__ volatile (
44965991
PI
2377 "xorl %%ebp, %%ebp"
2378 ::: "%ebp");
2379 return i;
44965991
PI
2380EOF
2381
f494213c 2382 # check whether EBX is available on x86
7cee5421
MR
2383 check_asm ebx_available '""::"b"(0)' &&
2384 check_asm ebx_available '"":::"%ebx"'
8e380710 2385
d3a4b4e0
DB
2386 # check whether more than 10 operands are supported
2387 check_cc <<EOF && enable ten_operands
2388int main(void) {
2389 int x=0;
2390 __asm__ volatile(
2391 ""
2392 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2393 );
2394 return 0;
2395}
2396EOF
2397
d7f0920b 2398 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2399 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2400 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2401
2402 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2403
d52481b9 2404 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2405 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2406 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2407 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2408 case "$objformat" in
2409 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2410 esac
31a0dcb2
MR
2411 if ! disabled yasm; then
2412 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2413 warn "yasm not found, performance will suffer"
2414 fi
e45391bb 2415
669b5583
MR
2416 case "$cpu" in
2417 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2418 disable fast_clz
2419 ;;
2420 esac
2421
44965991
PI
2422fi
2423
a98bb16d
RP
2424if check_func dlopen; then
2425 ldl=
2426elif check_func dlopen -ldl; then
2427 ldl=-ldl
8bf5d58f
MN
2428fi
2429
75ecf149
DB
2430# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2431check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2432
7483e694 2433check_func fork
84882df6 2434check_func getaddrinfo $network_extralibs
7483e694
DB
2435check_func gethrtime
2436check_func getrusage
fc5607f8 2437check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2438check_func inet_aton $network_extralibs
abfc8d05 2439check_func isatty
4ae40685 2440check_func ${malloc_prefix}memalign && enable memalign
7483e694 2441check_func mkstemp
4ae40685 2442check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2443check_func setrlimit
87958234 2444check_func strerror_r
b507ebd1 2445check_func_headers io.h setmode
e4673692 2446check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2447check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2448check_func_headers windows.h GetProcessTimes
7c5bfe7a 2449check_func_headers windows.h VirtualAlloc
6ffa87d3 2450
e16e49ac 2451check_header conio.h
a98bb16d 2452check_header dlfcn.h
92c6a099 2453check_header dxva2api.h
a98bb16d 2454check_header malloc.h
bf6ce82d 2455check_header poll.h
b58412f1 2456check_header sys/mman.h
b091aa44 2457check_header sys/resource.h
bf6ce82d 2458check_header sys/select.h
a98bb16d 2459check_header termios.h
272081b0
CEH
2460check_header vdpau/vdpau.h
2461check_header vdpau/vdpau_x11.h
68178ca9 2462check_header X11/extensions/XvMClib.h
a98bb16d 2463
9104cd51
RP
2464check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2465
89e053f8
MR
2466if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2467 enabled_any $need_memalign ; then
1f91cdce 2468 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2469fi
e16e49ac 2470
a4fa192c 2471disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2472disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2473
2474# check for some common methods of building with pthread support
2475# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
2476if ! disabled pthreads && ! enabled w32threads; then
2477 enable pthreads
9e7fd101
MR
2478 if check_func pthread_create; then
2479 :
2480 elif check_func pthread_create -pthread; then
2481 add_cflags -pthread
afc9aee2 2482 add_extralibs -pthread
9e7fd101
MR
2483 elif check_func pthread_create -pthreads; then
2484 add_cflags -pthreads
afc9aee2 2485 add_extralibs -pthreads
8d94f606
GT
2486 elif check_func pthread_create -lpthreadGC2; then
2487 add_extralibs -lpthreadGC2
9e7fd101 2488 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 2489 disable pthreads
9e7fd101 2490 fi
57bd82d4
MR
2491fi
2492
8eee7025 2493for thread in $THREADS_LIST; do
e5f94c2b 2494 if enabled $thread; then
3ae3b721
RP
2495 test -n "$thread_type" &&
2496 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2497 thread_type="$thread"
e5f94c2b
RP
2498 fi
2499done
2500
fdf88598 2501check_lib math.h sin -lm
edd43c95 2502disabled vaapi || check_lib va/va.h vaInitialize -lva
fdf88598 2503
645d2652
MR
2504check_mathfunc exp2
2505check_mathfunc exp2f
2506check_mathfunc llrint
07876e25 2507check_mathfunc llrintf
645d2652
MR
2508check_mathfunc log2
2509check_mathfunc log2f
2510check_mathfunc lrint
2511check_mathfunc lrintf
2512check_mathfunc round
2513check_mathfunc roundf
2514check_mathfunc truncf
f32adb22 2515
57bd82d4 2516# these are off by default, so fail if requested and not available
a1b3c5a3 2517enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2518enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2519 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2520 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097 2521enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5af41508 2522enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2523enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2524enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2525enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2526enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2527enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3a9bc39e 2528enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
36718e51
DB
2529enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2530 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2531enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2532enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2533enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
ee0e9146
JZ
2534enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2535 require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
60877ad9 2536enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
652d9d24
JGG
2537 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2538 die "ERROR: libx264 version must be >= 0.98."; }
2bfecf73 2539enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2540enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2541
0b4a1821
AS
2542# libdc1394 check
2543if enabled libdc1394; then
2544 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2545 enable libdc1394_2; } ||
2546 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2547 enable libdc1394_1; } ||
2548 die "ERROR: No version of libdc1394 found "
2549fi
2550
6a1a892f 2551SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2552if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2553 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2554 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2555 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2556 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2557 enable sdl &&
2558 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2559fi
57bd82d4 2560
2270b4b2 2561texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2562
73b46a95 2563if enabled network; then
96000432 2564 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2565 check_type netdb.h "struct addrinfo"
b4d68544
MS
2566 check_type netinet/in.h "struct ipv6_mreq"
2567 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2568 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2569 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2570 # Prefer arpa/inet.h over winsock2
2571 if check_header arpa/inet.h ; then
2572 check_func closesocket
2573 elif check_header winsock2.h ; then
f4c13872
MS
2574 check_func_headers winsock2.h closesocket -lws2 && \
2575 network_extralibs="-lws2" || \
2576 { check_func_headers winsock2.h closesocket -lws2_32 && \
2577 network_extralibs="-lws2_32"; }
72be9e73 2578 check_type ws2tcpip.h socklen_t
c0018613 2579 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2580 check_type ws2tcpip.h "struct ipv6_mreq"
2581 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2582 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2583 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2584 else
2585 disable network
73b46a95
RP
2586 fi
2587fi
2588
06e31011
RP
2589check_header linux/videodev.h
2590check_header linux/videodev2.h
1b6e8b73 2591check_header sys/videoio.h
47f38850 2592
27796dc3 2593check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2594
f8aa696f 2595# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2596{ check_header dev/bktr/ioctl_meteor.h &&
2597 check_header dev/bktr/ioctl_bt848.h; } ||
2598{ check_header machine/ioctl_meteor.h &&
2599 check_header machine/ioctl_bt848.h; } ||
2600{ check_header dev/video/meteor/ioctl_meteor.h &&
2601 check_header dev/video/bktr/ioctl_bt848.h; } ||
2602check_header dev/ic/bt8xx.h
f8aa696f 2603
c7682de0
RP
2604check_header sys/soundcard.h
2605check_header soundcard.h
deb29777 2606
b6f3d925 2607enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2608
0e57fe17 2609enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2610
56a059ac 2611enabled x11grab &&
f58f4ce1
GP
2612check_header X11/Xlib.h &&
2613check_header X11/extensions/XShm.h &&
0a045661 2614check_header X11/extensions/Xfixes.h &&
f58f4ce1 2615check_func XOpenDisplay -lX11 &&
781c1aa6
R
2616check_func XShmCreateImage -lX11 -lXext &&
2617check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2618
598ef02b 2619if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2620check_cpp_condition \
2621 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2622 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2623 disable vdpau; }
abf649c7 2624fi
deda2a4a 2625
95e561ec 2626enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2627
2628# add some useful compiler flags if supported
2629check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2630check_cflags -Wall
2631check_cflags -Wno-switch
c07bd6a9
MN
2632check_cflags -Wdisabled-optimization
2633check_cflags -Wpointer-arith
2634check_cflags -Wredundant-decls
cc1fb623 2635check_cflags -Wno-pointer-sign
f4929996 2636check_cflags -Wcast-qual
9aceb3cf 2637check_cflags -Wwrite-strings
652a5bf6 2638check_cflags -Wtype-limits
764551c6 2639check_cflags -Wundef
fc298fd9 2640check_cflags -Wmissing-prototypes
5af4e0cc 2641enabled extra_warnings && check_cflags -Winline
cf9d24ad 2642
57bd82d4 2643# add some linker flags
5c0e9479 2644check_ldflags -Wl,--warn-common
8351d2ba
DB
2645check_ldflags -Wl,--as-needed
2646check_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 2647check_ldflags -Wl,-Bsymbolic
94a3401e 2648
a482e61b 2649echo "X{};" > $TMPV
b462d132 2650if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 2651 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
2652 check_cc <<EOF && enable symver_asm_label
2653void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 2654void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
2655EOF
2656 check_cc <<EOF && enable symver_gnu_asm
2657__asm__(".symver ff_foo,av_foo@VERSION");
2658void ff_foo(void) {}
2659EOF
2660fi
a482e61b 2661
bd2216e4 2662if enabled small; then
14ca9cd0 2663 add_cflags $size_cflags
8400d6b8
DB
2664 optimizations="small"
2665elif enabled optimizations; then
14ca9cd0 2666 add_cflags $speed_cflags
b05394a0
MR
2667else
2668 add_cflags $noopt_cflags
cddf3f45 2669fi
11fdbc44 2670check_cflags -fno-math-errno
b2eb2ff0 2671check_cflags -fno-signed-zeros
cddf3f45 2672
629687f6 2673if enabled icc; then
b1598b58
MR
2674 # Just warnings, no remarks
2675 check_cflags -w1
2676 # -wd: Disable following warnings
2677 # 144, 167, 556: -Wno-pointer-sign
2678 # 10006: ignoring unknown option -fno-signed-zeros
2679 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2680 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2681 # 11030: Warning unknown option --as-needed
2682 # 10156: ignoring option '-export'; no argument required
2683 check_ldflags -wd10156,11030
2684 # Allow to compile with optimizations
2685 check_ldflags -march=$cpu
be2cf98a
CEH
2686 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2687 enable ebp_available
df442a8d
MR
2688elif enabled ccc; then
2689 # disable some annoying warnings
2690 add_cflags -msg_disable cvtu32to64
2691 add_cflags -msg_disable embedcomment
2692 add_cflags -msg_disable needconstext
2693 add_cflags -msg_disable nomainieee
2694 add_cflags -msg_disable ptrmismatch1
2695 add_cflags -msg_disable unreachcode
973859f5
MR
2696elif enabled gcc; then
2697 check_cflags -fno-tree-vectorize
62df111c 2698 check_cflags -Werror=implicit
de63bfec 2699 check_cflags -Werror=missing-prototypes
06da6943
DC
2700elif enabled clang; then
2701 check_cflags -Qunused-arguments
138132be
MR
2702elif enabled armcc; then
2703 # 2523: use of inline assembler is deprecated
2704 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2705 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2706elif enabled tms470; then
2707 add_cflags -pds=824 -pds=837
504a64b9
CEH
2708fi
2709
90be59ef 2710if enabled gprof; then
0f010b2f
DB
2711 add_cflags -p
2712 add_ldflags -p
1db54e20
DB
2713fi
2714
7483e694
DB
2715enabled_any $THREADS_LIST && enable threads
2716
2717check_deps $CONFIG_LIST \
b6bb00b0 2718 $CONFIG_EXTRA \
7483e694
DB
2719 $HAVE_LIST \
2720 $DECODER_LIST \
2721 $ENCODER_LIST \
5666fd73 2722 $HWACCEL_LIST \
7483e694
DB
2723 $PARSER_LIST \
2724 $BSF_LIST \
2725 $DEMUXER_LIST \
2726 $MUXER_LIST \
f7679c54 2727 $FILTER_LIST \
7483e694
DB
2728 $INDEV_LIST \
2729 $OUTDEV_LIST \
2730 $PROTOCOL_LIST \
f70f03f6 2731
3bfd582c 2732enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 2733
3e89171a 2734echo "install prefix $prefix"
f36958f8
DB
2735echo "source path $source_path"
2736echo "C compiler $cc"
f36958f8 2737echo "ARCH $arch ($cpu)"
ce8871c2
MR
2738if test "$build_suffix" != ""; then
2739 echo "build suffix $build_suffix"
eb94aca9 2740fi
ac63af34
DB
2741if test "$extra_version" != ""; then
2742 echo "version string suffix $extra_version"
2743fi
0db2ce77 2744echo "big-endian ${bigendian-no}"
e90f5b5a 2745echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2746if enabled x86; then
af44e8e4 2747 echo "yasm ${yasm-no}"
0db2ce77 2748 echo "MMX enabled ${mmx-no}"
30e98e62 2749 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2750 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2751 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2752 echo "SSE enabled ${sse-no}"
30e98e62 2753 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2754 echo "CMOV enabled ${cmov-no}"
2755 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2756 echo "EBX available ${ebx_available-no}"
2757 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2758 echo "10 operands supported ${ten_operands-no}"
e41e8342 2759fi
5b6c2cbd 2760if enabled arm; then
0db2ce77
MR
2761 echo "ARMv5TE enabled ${armv5te-no}"
2762 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2763 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2764 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2765 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2766 echo "NEON enabled ${neon-no}"
eba9ae3c 2767fi
5b6c2cbd 2768if enabled mips; then
0db2ce77 2769 echo "MMI enabled ${mmi-no}"
e41e8342 2770fi
5b6c2cbd 2771if enabled ppc; then
0db2ce77 2772 echo "AltiVec enabled ${altivec-no}"
30e98e62 2773 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2774 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2775 echo "performance report ${powerpc_perf-no}"
2776fi
2777if enabled sparc; then
2778 echo "VIS enabled ${vis-no}"
e41e8342 2779fi
0db2ce77
MR
2780echo "gprof enabled ${gprof-no}"
2781echo "debug symbols ${debug-no}"
87a0fb62 2782echo "strip symbols ${stripping-no}"
8400d6b8 2783echo "optimizations ${optimizations-no}"
0db2ce77
MR
2784echo "static ${static-no}"
2785echo "shared ${shared-no}"
4a24ab64 2786echo "postprocessing support ${postproc-no}"
f7679c54 2787echo "new filter support ${avfilter-no}"
81124ba0 2788echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2789echo "network support ${network-no}"
0db2ce77
MR
2790echo "threading support ${thread_type-no}"
2791echo "SDL support ${sdl-no}"
0db2ce77
MR
2792echo "Sun medialib support ${mlib-no}"
2793echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2794echo "libdc1394 support ${libdc1394-no}"
690bfceb 2795echo "libdirac enabled ${libdirac-no}"
0db2ce77 2796echo "libfaac enabled ${libfaac-no}"
0db2ce77
MR
2797echo "libgsm enabled ${libgsm-no}"
2798echo "libmp3lame enabled ${libmp3lame-no}"
2799echo "libnut enabled ${libnut-no}"
0b175caa
DB
2800echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2801echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2802echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2803echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2804echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2805echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2806echo "libtheora enabled ${libtheora-no}"
2807echo "libvorbis enabled ${libvorbis-no}"
8299a7f8 2808echo "libvpx enabled ${libvpx-no}"
d6bd62db
DB
2809echo "libx264 enabled ${libx264-no}"
2810echo "libxvid enabled ${libxvid-no}"
0db2ce77 2811echo "zlib enabled ${zlib-no}"
f402916e 2812echo "bzlib enabled ${bzlib-no}"
2c62e737 2813echo
de6d9b64 2814
5666fd73 2815for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2816 echo "Enabled ${type}s:"
f65c9da1 2817 eval list=\$$(toupper $type)_LIST
8138b9db 2818 for part in $list; do
f65c9da1
MR
2819 enabled $part && echo ${part%_*}
2820 done | sort | pr -3 -t
2821 echo
8138b9db
RP
2822done
2823
ba7a7039 2824license="LGPL version 2.1 or later"
ba321adb 2825if enabled nonfree; then
ba7a7039 2826 license="nonfree and unredistributable"
9cad0e4e
DB
2827elif enabled gplv3; then
2828 license="GPL version 3 or later"
2829elif enabled lgplv3; then
2830 license="LGPL version 3 or later"
ba321adb 2831elif enabled gpl; then
ba7a7039 2832 license="GPL version 2 or later"
ba321adb
JK
2833fi
2834
2835echo "License: $license"
ca5323af 2836
cf1392e9
DB
2837echo "Creating config.mak and config.h..."
2838
df642790
MR
2839# build tree in object directory if source path is different from current one
2840if enabled source_path_used; then
2841 DIRS="
2842 doc
2843 libavcodec
2844 libavcodec/$arch
2845 libavdevice
2846 libavfilter
2847 libavformat
2848 libavutil
2849 libavutil/$arch
2850 libpostproc
2851 libswscale
2852 libswscale/$arch
2853 tests
2854 tools
2855 "
2856 FILES="
2857 Makefile
2858 common.mak
2859 subdir.mak
2860 doc/texi2pod.pl
2861 libavcodec/Makefile
43f60eba 2862 libavcodec/${arch}/Makefile
df642790
MR
2863 libavdevice/Makefile
2864 libavfilter/Makefile
2865 libavformat/Makefile
2866 libavutil/Makefile
2867 libpostproc/Makefile
2868 libswscale/Makefile
2869 "
e0e335a0 2870 map 'mkdir -p $v' $DIRS;
43f60eba 2871 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2872fi
2873
ad212cc6
MR
2874enabled stripping || strip="echo skipping strip"
2875
173c983b
MR
2876cat > config.mak <<EOF
2877# Automatically generated by configure - do not modify!
2878ifndef FFMPEG_CONFIG_MAK
2879FFMPEG_CONFIG_MAK=1
2880FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2881prefix=$prefix
2882LIBDIR=\$(DESTDIR)$libdir
2883SHLIBDIR=\$(DESTDIR)$shlibdir
2884INCDIR=\$(DESTDIR)$incdir
2885BINDIR=\$(DESTDIR)$bindir
2886DATADIR=\$(DESTDIR)$datadir
2887MANDIR=\$(DESTDIR)$mandir
2888SRC_PATH="$source_path"
2889SRC_PATH_BARE=$source_path
2890BUILD_ROOT="$PWD"
2891ARCH=$arch
2892CC=$cc
2893AS=$as
2894LD=$ld
2895DEPCC=$dep_cc
2896YASM=$yasmexe
a4aea515 2897YASMDEP=$yasmexe
173c983b
MR
2898AR=$ar
2899RANLIB=$ranlib
4335125c 2900CP=cp -p
173c983b
MR
2901LN_S=$ln_s
2902STRIP=$strip
2903CPPFLAGS=$CPPFLAGS
2904CFLAGS=$CFLAGS
2905ASFLAGS=$ASFLAGS
2906CC_O=$CC_O
2907LDFLAGS=$LDFLAGS
2908FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2909SHFLAGS=$SHFLAGS
2910YASMFLAGS=$YASMFLAGS
2911BUILDSUF=$build_suffix
2912FULLNAME=$FULLNAME
2913LIBPREF=$LIBPREF
2914LIBSUF=$LIBSUF
2915LIBNAME=$LIBNAME
2916SLIBPREF=$SLIBPREF
2917SLIBSUF=$SLIBSUF
2918EXESUF=$EXESUF
2919EXTRA_VERSION=$extra_version
2920DEPFLAGS=$DEPFLAGS
2921CCDEP=$CCDEP
2922ASDEP=$ASDEP
2923CC_DEPFLAGS=$CC_DEPFLAGS
2924AS_DEPFLAGS=$AS_DEPFLAGS
2925HOSTCC=$host_cc
2926HOSTCFLAGS=$host_cflags
2927HOSTEXESUF=$HOSTEXESUF
2928HOSTLDFLAGS=$host_ldflags
2929HOSTLIBS=$host_libs
2930TARGET_EXEC=$target_exec
2931TARGET_PATH=$target_path
2932SDL_LIBS=$sdl_libs
2933SDL_CFLAGS=$sdl_cflags
2934LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2935EXTRALIBS=$extralibs
fd676deb 2936INSTALL=install
1afc4750
MR
2937LIBTARGET=${LIBTARGET}
2938SLIBNAME=${SLIBNAME}
2939SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2940SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2941SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2942SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2943SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2944SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 2945SAMPLES=$samples
173c983b 2946EOF
5a872801 2947
719c8e00
MR
2948get_version(){
2949 name=$1
2950 file=$source_path/$2
147e7692
MR
2951 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2952 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2953 lcname=$(tolower $name)
2954 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2955 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2956}
2957
147e7692
MR
2958get_version LIBSWSCALE libswscale/swscale.h
2959get_version LIBPOSTPROC libpostproc/postprocess.h
2960get_version LIBAVCODEC libavcodec/avcodec.h
2961get_version LIBAVDEVICE libavdevice/avdevice.h
2962get_version LIBAVFORMAT libavformat/avformat.h
2963get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2964get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2965
173c983b
MR
2966cat > $TMPH <<EOF
2967/* Automatically generated by configure - do not modify! */
2968#ifndef FFMPEG_CONFIG_H
2969#define FFMPEG_CONFIG_H
2970#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 2971#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
2972#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2973#define CC_TYPE "$cc_type"
2974#define CC_VERSION $cc_version
2975#define restrict $_restrict
42719e20 2976#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
173c983b
MR
2977#define EXTERN_PREFIX "${extern_prefix}"
2978#define EXTERN_ASM ${extern_prefix}
2979EOF
523ef551 2980
4ae40685
MR
2981test -n "$malloc_prefix" &&
2982 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
2983
523ef551 2984if enabled small || disabled optimizations; then
9a894c48 2985 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
2986 echo "#define av_always_inline" >> $TMPH
2987fi
2988
3d907e22
MR
2989print_config ARCH_ $TMPH config.mak $ARCH_LIST
2990print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2991print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2992 $CONFIG_EXTRA \
7483e694
DB
2993 $DECODER_LIST \
2994 $ENCODER_LIST \
5666fd73 2995 $HWACCEL_LIST \
7483e694
DB
2996 $PARSER_LIST \
2997 $BSF_LIST \
2998 $DEMUXER_LIST \
2999 $MUXER_LIST \
f7679c54 3000 $FILTER_LIST \
7483e694
DB
3001 $PROTOCOL_LIST \
3002 $INDEV_LIST \
3003 $OUTDEV_LIST \
8ac17293 3004
9c05103f 3005echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3006echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3007
b7860763 3008# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3009cp_if_changed $TMPH config.h
3d204385 3010
a3e02a8c
MR
3011cat > $TMPH <<EOF
3012/* Generated by ffconf */
3013#ifndef AVUTIL_AVCONFIG_H
3014#define AVUTIL_AVCONFIG_H
3015EOF
3016
3017print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3018
3019echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3020
3021cp_if_changed $TMPH libavutil/avconfig.h
3022
7bfc8ae6
MR
3023test -n "$WARNINGS" && printf "\n$WARNINGS"
3024
d0674868 3025# build pkg-config files
def4272a 3026
d0674868
DB
3027pkgconfig_generate(){
3028name=$1
b0dfd108 3029shortname=${name#lib}${build_suffix}
d0674868
DB
3030comment=$2
3031version=$3
3032libs=$4
3033requires=$5
25cd5cb3 3034cat <<EOF > $name/$name.pc
3e89171a 3035prefix=$prefix
a94e666c 3036exec_prefix=\${prefix}
f2b7382c 3037libdir=$libdir
7622778e 3038includedir=$incdir
def4272a 3039
d0674868
DB
3040Name: $name
3041Description: $comment
3042Version: $version
8cd6b388 3043Requires: $(enabled shared || echo $requires)
5dcfe9f8 3044Requires.private: $(enabled shared && echo $requires)
def4272a 3045Conflicts:
8cd6b388 3046Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3047Libs.private: $(enabled shared && echo $libs)
76a448ed 3048Cflags: -I\${includedir}
def4272a 3049EOF
25cd5cb3 3050cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3051prefix=
3052exec_prefix=
46d1ff83 3053libdir=\${pcfiledir}
1d44d365 3054includedir=${source_path}
def4272a 3055
d0674868
DB
3056Name: $name
3057Description: $comment
3058Version: $version
3059Requires: $requires
def4272a 3060Conflicts:
12701f6e 3061Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3062Cflags: -I\${includedir}
3063EOF
d0674868 3064}
def4272a 3065
e426941d 3066pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3067pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3068pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3069pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3070enabled avfilter &&
46983309 3071 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3072enabled postproc &&
e426941d 3073 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3074pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"