configure: simplify check_lib function
[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 "$@"
2ba042a7
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266}
267
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268warn(){
269 log "WARNING: $*"
270 WARNINGS="${WARNINGS}WARNING: $*\n"
271}
272
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273die(){
274 echolog "$@"
275 cat <<EOF
d326cf7f 276
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277If you think configure made a mistake, make sure you are using the latest
278version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 279ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 280EOF
e155a21a 281 if disabled logging; then
2ba042a7 282 cat <<EOF
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283Rerun configure with logging enabled (do not use --disable-logging), and
284include the log this produces with your report.
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285EOF
286 else
287cat <<EOF
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288Include the log file "$logfile" produced by configure as this will help
289solving the problem.
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290EOF
291 fi
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292 exit 1
293}
294
6c6007d6 295# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 296toupper(){
6c6007d6 297 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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298}
299
4a5444db 300tolower(){
6c6007d6 301 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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302}
303
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304c_escape(){
305 echo "$*" | sed 's/["\\]/\\\0/g'
306}
307
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308sh_quote(){
309 v=$(echo "$1" | sed "s/'/'\\\\''/g")
310 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
311 echo "$v"
312}
313
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314filter(){
315 pat=$1
316 shift
317 for v; do
98ef6079 318 eval "case $v in $pat) echo $v ;; esac"
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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
516flags_saved(){
2270b4b2 517 (: ${SAVE_CFLAGS?}) 2> /dev/null
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518}
519
dcd479c0 520save_flags(){
57bd82d4 521 flags_saved && return
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522 SAVE_CFLAGS="$CFLAGS"
523 SAVE_LDFLAGS="$LDFLAGS"
524 SAVE_extralibs="$extralibs"
525}
526
527restore_flags(){
f5d28d10 528 flags_saved || return
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529 CFLAGS="$SAVE_CFLAGS"
530 LDFLAGS="$SAVE_LDFLAGS"
531 extralibs="$SAVE_extralibs"
532 unset SAVE_CFLAGS
533 unset SAVE_LDFLAGS
534 unset SAVE_extralibs
535}
536
537temp_cflags(){
538 save_flags
539 CFLAGS="$CFLAGS $*"
540}
541
542temp_ldflags(){
543 save_flags
544 LDFLAGS="$LDFLAGS $*"
545}
546
547temp_extralibs(){
548 save_flags
549 extralibs="$extralibs $*"
550}
551
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552append(){
553 var=$1
554 shift
555 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
556 eval "$var=\"\$$var $*\""
557}
558
50a334e4 559add_cppflags(){
caf458dd 560 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
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561}
562
57bd82d4 563add_cflags(){
caf458dd 564 append CFLAGS $($filter_cflags "$@")
57bd82d4
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565}
566
2f2e6c7c 567add_asflags(){
caf458dd 568 append ASFLAGS $($filter_asflags "$@")
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569}
570
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571add_ldflags(){
572 append LDFLAGS "$@"
573}
574
575add_extralibs(){
576 append extralibs "$@"
577}
578
b0cfb663 579check_cmd(){
b3cb5d51 580 log "$@"
2270b4b2 581 "$@" >> $logfile 2>&1
b0cfb663
MR
582}
583
dcd479c0 584check_cc(){
57bd82d4 585 log check_cc "$@"
2270b4b2 586 cat > $TMPC
720c69da 587 log_file $TMPC
50a334e4 588 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
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589}
590
591check_cpp(){
592 log check_cpp "$@"
2270b4b2 593 cat > $TMPC
720c69da 594 log_file $TMPC
9e7f3277 595 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
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596}
597
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598check_as(){
599 log check_as "$@"
600 cat > $TMPC
601 log_file $TMPC
2f2e6c7c 602 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
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603}
604
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605check_asm(){
606 log check_asm "$@"
607 name="$1"
3784e82e 608 code="$2"
940f335a 609 shift 2
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610 disable $name
611 check_as "$@" <<EOF && enable $name
3784e82e 612void foo(void){ __asm__ volatile($code); }
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613EOF
614}
615
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616check_yasm(){
617 log check_yasm "$@"
618 echo "$1" > $TMPS
619 log_file $TMPS
620 shift 1
621 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
622}
623
dcd479c0 624check_ld(){
57bd82d4 625 log check_ld "$@"
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626 flags=''
627 libs=''
628 for f; do
629 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
630 done
2a194acd 631 check_cc $($filter_cflags $flags) || return
684b28e0 632 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
633}
634
50a334e4
MR
635check_cppflags(){
636 log check_cppflags "$@"
caf458dd
MR
637 set -- $($filter_cppflags "$@")
638 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
639int x;
640EOF
641}
642
dcd479c0 643check_cflags(){
57bd82d4 644 log check_cflags "$@"
caf458dd
MR
645 set -- $($filter_cflags "$@")
646 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
647int x;
648EOF
649}
650
2ed46eea
MR
651test_ldflags(){
652 log test_ldflags "$@"
653 check_ld "$@" <<EOF
c23a0ac8 654int main(void){ return 0; }
dcd479c0
MR
655EOF
656}
657
2ed46eea
MR
658check_ldflags(){
659 log check_ldflags "$@"
660 test_ldflags "$@" && add_ldflags "$@"
661}
662
dcd479c0 663check_header(){
57bd82d4 664 log check_header "$@"
dcd479c0
MR
665 header=$1
666 shift
b77df637
MR
667 disable_safe $header
668 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
669#include <$header>
670int x;
671EOF
672}
673
674check_func(){
57bd82d4 675 log check_func "$@"
dcd479c0
MR
676 func=$1
677 shift
d8bc5f06
MR
678 disable $func
679 check_ld "$@" <<EOF && enable $func
dcd479c0 680extern int $func();
c23a0ac8 681int main(void){ $func(); }
dcd479c0
MR
682EOF
683}
684
645d2652 685check_mathfunc(){
6b73c0ae 686 log check_mathfunc "$@"
645d2652
MR
687 func=$1
688 shift
689 disable $func
690 check_ld "$@" <<EOF && enable $func
691#include <math.h>
33bd38db
MR
692float foo(float f) { return $func(f); }
693int main(void){ return 0; }
645d2652
MR
694EOF
695}
696
2446d3d6
DB
697check_func_headers(){
698 log check_func_headers "$@"
f8d7b072
MR
699 headers=$1
700 func=$2
701 shift 2
702 disable $func
703 incs=""
704 for hdr in $headers; do
705 incs="$incs
706#include <$hdr>"
707 done
cd0d9a9d 708 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 709$incs
d6773f56 710int main(int argc, char **argv){
2b2c2a81 711 return (long) $func;
f8d7b072
MR
712}
713EOF
714}
715
a5344cf7
SS
716check_cpp_condition(){
717 log check_cpp_condition "$@"
718 header=$1
719 condition=$2
f855b7b9
MR
720 shift 2
721 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
722#include <$header>
723#if !($condition)
724#error "unsatisfied condition: $condition"
725#endif
726EOF
727}
728
57bd82d4
MR
729check_lib(){
730 log check_lib "$@"
731 header="$1"
732 func="$2"
733 shift 2
84400e9d 734 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
735}
736
f8d7b072
MR
737check_lib2(){
738 log check_lib2 "$@"
739 headers="$1"
740 func="$2"
741 shift 2
300cde27 742 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
743}
744
dcd479c0 745check_exec(){
2270b4b2 746 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
747}
748
7dfef245 749check_exec_crash(){
5e622c40 750 code=$(cat)
7dfef245
MR
751
752 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
753 # are safe but may not be available everywhere. Thus we use
754 # raise(SIGTERM) instead. The check is run in a subshell so we
755 # can redirect the "Terminated" message from the shell. SIGBUS
756 # is not defined by standard C so it is used conditionally.
757
2270b4b2 758 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
759#include <signal.h>
760static void sighandler(int sig){
761 raise(SIGTERM);
762}
e5af4a11 763int main(void){
7dfef245
MR
764 signal(SIGILL, sighandler);
765 signal(SIGFPE, sighandler);
766 signal(SIGSEGV, sighandler);
767#ifdef SIGBUS
768 signal(SIGBUS, sighandler);
769#endif
770 { $code }
771}
772EOF
773}
774
72be9e73
DY
775check_type(){
776 log check_type "$@"
777 headers=$1
778 type=$2
779 shift 2
ae550ce9 780 disable_safe "$type"
72be9e73
DY
781 incs=""
782 for hdr in $headers; do
783 incs="$incs
784#include <$hdr>"
785 done
ae550ce9 786 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
787$incs
788$type v;
789EOF
790}
791
14d36751
MR
792check_struct(){
793 log check_type "$@"
794 headers=$1
795 struct=$2
796 member=$3
797 shift 3
798 disable_safe "${struct}_${member}"
799 incs=""
800 for hdr in $headers; do
801 incs="$incs
802#include <$hdr>"
803 done
804 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
805$incs
806const void *p = &(($struct *)0)->$member;
807EOF
808}
809
57bd82d4
MR
810require(){
811 name="$1"
812 header="$2"
813 func="$3"
814 shift 3
815 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
816}
817
f8d7b072
MR
818require2(){
819 name="$1"
820 headers="$2"
821 func="$3"
822 shift 3
823 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
824}
825
f0125de9
MR
826check_host_cc(){
827 log check_host_cc "$@"
828 cat > $TMPC
829 log_file $TMPC
830 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
831}
832
833check_host_cflags(){
834 log check_host_cflags "$@"
835 check_host_cc "$@" <<EOF && append host_cflags "$@"
836int x;
837EOF
838}
839
c505dd31
MR
840apply(){
841 file=$1
842 shift
843 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
844}
845
c34681df
MR
846cp_if_changed(){
847 cmp -s "$1" "$2" &&
848 echo "$2 is unchanged" ||
849 cp -f "$1" "$2"
850}
851
dcd61286
DB
852# CONFIG_LIST contains configurable options, while HAVE_LIST is for
853# system-dependent things.
854
4a0d6686
AJ
855COMPONENT_LIST="
856 bsfs
857 decoders
858 demuxers
859 encoders
3cde40aa 860 filters
5666fd73 861 hwaccels
c552605c 862 indevs
4a0d6686 863 muxers
c552605c 864 outdevs
4a0d6686
AJ
865 parsers
866 protocols
867"
868
869CONFIG_LIST="
870 $COMPONENT_LIST
e8ed9b7a 871 aandct
5a0f7131
MR
872 avcodec
873 avdevice
f7679c54
VS
874 avfilter
875 avfilter_lavf
5a0f7131 876 avformat
c88f5d72 877 avisynth
f402916e 878 bzlib
7f3f5f46 879 dct
c73f65d9 880 doc
05aec7bb 881 dwt
92c6a099 882 dxva2
27a9466b 883 fastdiv
c88f5d72
MR
884 ffmpeg
885 ffplay
336ce917 886 ffprobe
c88f5d72 887 ffserver
1848f7d9 888 fft
4f034993 889 golomb
c88f5d72 890 gpl
ecfc4f44 891 gprof
d8d0d0b2 892 gray
4693b031 893 h264dsp
3abe5fbd 894 hardcoded_tables
f7b8bffe 895 libdc1394
690bfceb 896 libdirac
2eed5a46 897 libfaac
c88f5d72 898 libgsm
6ebe07fb 899 libmp3lame
c88f5d72 900 libnut
0b175caa
DB
901 libopencore_amrnb
902 libopencore_amrwb
9a77d59a 903 libopenjpeg
0f943ce6 904 librtmp
f7cd9eed 905 libschroedinger
ae14f311 906 libspeex
150d2772 907 libtheora
c88f5d72 908 libvorbis
8299a7f8 909 libvpx
1cc60c47
DB
910 libx264
911 libxvid
f4d608e3 912 lpc
b781cc12 913 lsp
47a158cb 914 mdct
c88f5d72 915 memalign_hack
a8150374 916 mlib
c88f5d72
MR
917 mpegaudio_hp
918 network
3fe142e2 919 nonfree
8a3c8627 920 pic
4a24ab64 921 postproc
2b4c3615 922 powerpc_perf
68602540 923 rdft
e90f5b5a 924 runtime_cpudetect
2e35e684 925 shared
bd2216e4 926 small
6b35d421 927 sram
2e35e684 928 static
5a0f7131 929 swscale
a9ddb5b1 930 swscale_alpha
17492d5e
DB
931 vaapi
932 vdpau
9cad0e4e 933 version3
56a059ac 934 x11grab
c88f5d72 935 zlib
4a0d6686 936"
c88f5d72 937
8eee7025 938THREADS_LIST='
8eee7025
DB
939 pthreads
940 w32threads
941'
942
3f5b56e5
MR
943ARCH_LIST='
944 alpha
a2fc0f6a 945 arm
fdcd782d
MR
946 avr32
947 avr32_ap
948 avr32_uc
3f5b56e5
MR
949 bfin
950 ia64
951 m68k
952 mips
bae3abb0 953 mips64
3f5b56e5 954 parisc
79cb09b2 955 ppc
34d11b87 956 ppc64
3f5b56e5
MR
957 s390
958 sh4
959 sparc
960 sparc64
0844bae1 961 tomi
3f5b56e5
MR
962 x86
963 x86_32
964 x86_64
965'
966
967ARCH_EXT_LIST='
1ac9331a 968 altivec
3bf96eec 969 amd3dnow
a1ef9f08 970 amd3dnowext
1ac9331a 971 armv5te
edab3048 972 armv6
ab5cb084 973 armv6t2
f55b299a 974 armvfp
3f5b56e5
MR
975 iwmmxt
976 mmi
977 mmx
d7f0920b 978 mmx2
6b18d278 979 neon
799fde37 980 ppc4xx
1bb04d5a 981 sse
9eeed841 982 ssse3
bd9d34a0 983 vis
3f5b56e5
MR
984'
985
a3e02a8c
MR
986HAVE_LIST_PUB='
987 bigendian
988'
989
3f5b56e5
MR
990HAVE_LIST="
991 $ARCH_EXT_LIST
a3e02a8c 992 $HAVE_LIST_PUB
3f5b56e5 993 $THREADS_LIST
35fd8122 994 alsa_asoundlib_h
3f5b56e5 995 altivec_h
c9fdab0d 996 arpa_inet_h
dffb41b9 997 attribute_may_alias
e7ea5e3d 998 attribute_packed
6bd859d6 999 bswap
ecf97f22 1000 closesocket
1ac9331a 1001 cmov
e16e49ac 1002 conio_h
c88f5d72 1003 dcbzl
f8aa696f
DB
1004 dev_bktr_ioctl_bt848_h
1005 dev_bktr_ioctl_meteor_h
1006 dev_ic_bt8xx_h
1007 dev_video_meteor_ioctl_meteor_h
1008 dev_video_bktr_ioctl_bt848_h
18b67ae5 1009 dlfcn_h
c88f5d72 1010 dlopen
bc574408 1011 dos_paths
245626d0
DB
1012 ebp_available
1013 ebx_available
6b7c7703
VS
1014 exp2
1015 exp2f
c2a29455 1016 fast_64bit
669b5583 1017 fast_clz
7073e9fc 1018 fast_cmov
7b829d2a 1019 fast_unaligned
9d99cc5a 1020 fork
84882df6 1021 getaddrinfo
da9e86f8 1022 gethrtime
fc5607f8 1023 GetProcessMemoryInfo
4e68cb8a 1024 GetProcessTimes
66be5b45 1025 getrusage
fc5607f8 1026 struct_rusage_ru_maxrss
2e1913b1 1027 inet_aton
61d251db 1028 inline_asm
abfc8d05 1029 isatty
9f5ff83f 1030 ldbrx
0b4a1821
AS
1031 libdc1394_1
1032 libdc1394_2
a33cab3a 1033 llrint
07876e25 1034 llrintf
d96cd429
MR
1035 local_aligned_16
1036 local_aligned_8
291fd18a 1037 log2
6b7c7703 1038 log2f
85dd97ad 1039 loongson
a33cab3a 1040 lrint
c88f5d72 1041 lrintf
e4673692 1042 lzo1x_999_compress
f8aa696f
DB
1043 machine_ioctl_bt848_h
1044 machine_ioctl_meteor_h
c88f5d72
MR
1045 malloc_h
1046 memalign
6ffa87d3 1047 mkstemp
b4e806b2 1048 pld
1f91cdce 1049 posix_memalign
a33cab3a
MK
1050 round
1051 roundf
c88f5d72
MR
1052 sdl
1053 sdl_video_size
b507ebd1 1054 setmode
72be9e73 1055 socklen_t
deb29777 1056 soundcard_h
f8cda19e 1057 poll_h
0104b608 1058 setrlimit
87958234 1059 strerror_r
c0018613 1060 struct_addrinfo
b4d68544
MS
1061 struct_ipv6_mreq
1062 struct_sockaddr_in6
3b2372bf 1063 struct_sockaddr_sa_len
33a4dbdd 1064 struct_sockaddr_storage
b462d132
MR
1065 symver
1066 symver_gnu_asm
1067 symver_asm_label
b58412f1 1068 sys_mman_h
b091aa44 1069 sys_resource_h
81644c2e 1070 sys_select_h
deb29777 1071 sys_soundcard_h
1b6e8b73 1072 sys_videoio_h
d3a4b4e0 1073 ten_operands
e16e49ac 1074 termios_h
b265431e 1075 threads
7b04b8a0 1076 truncf
ce742de2 1077 vfp_args
7c5bfe7a 1078 VirtualAlloc
6ff3f3e7 1079 winsock2_h
cc078b5d 1080 xform_asm
304d586d 1081 yasm
0cb78cef 1082"
44161118 1083
b6bb00b0
MR
1084# options emitted with CONFIG_ prefix but not available on command line
1085CONFIG_EXTRA="
dc4f5a1c 1086 avutil
9cad0e4e
DB
1087 gplv3
1088 lgplv3
b6bb00b0
MR
1089"
1090
520cc7f1 1091CMDLINE_SELECT="
3f5b56e5 1092 $ARCH_EXT_LIST
520cc7f1 1093 $CONFIG_LIST
8eee7025 1094 $THREADS_LIST
c8a4ae00 1095 asm
db6107b6 1096 cross_compile
520cc7f1
MR
1097 debug
1098 extra_warnings
8c6afa4d 1099 logging
d2bbb2f7 1100 optimizations
87a0fb62 1101 stripping
7595a5e4 1102 yasm
520cc7f1 1103"
426be5dc
DB
1104
1105PATHS_LIST='
d156bede 1106 bindir
14a8acf1 1107 datadir
26759c44
MR
1108 incdir
1109 libdir
26759c44
MR
1110 mandir
1111 prefix
1112 shlibdir
426be5dc
DB
1113'
1114
1115CMDLINE_SET="
1116 $PATHS_LIST
121d78d0 1117 ar
426be5dc 1118 arch
313c46a6 1119 as
426be5dc
DB
1120 build_suffix
1121 cc
1122 cpu
1123 cross_prefix
50567afa 1124 dep_cc
ac63af34 1125 extra_version
9da6609f
MR
1126 host_cc
1127 host_cflags
1128 host_ldflags
1129 host_libs
82bb3329 1130 host_os
684b28e0 1131 ld
426be5dc 1132 logfile
4ae40685 1133 malloc_prefix
89641463 1134 nm
2fad0977 1135 samples
26759c44 1136 source_path
4f837398 1137 strip
c5200f17
MR
1138 sysinclude
1139 sysroot
a7ada2ba 1140 target_exec
26759c44 1141 target_os
a7ada2ba 1142 target_path
426be5dc 1143"
520cc7f1 1144
89f2932b
MR
1145CMDLINE_APPEND="
1146 extra_cflags
1147"
1148
912f3148
DB
1149# code dependency declarations
1150
9eeed841 1151# architecture extensions
808fa33c 1152
a2fc0f6a
MR
1153armv5te_deps="arm"
1154armv6_deps="arm"
ab5cb084 1155armv6t2_deps="arm"
a2fc0f6a
MR
1156armvfp_deps="arm"
1157iwmmxt_deps="arm"
808fa33c
MR
1158neon_deps="arm"
1159
e241ba14 1160mmi_deps="mips"
808fa33c
MR
1161
1162altivec_deps="ppc"
1163ppc4xx_deps="ppc"
1164
1165vis_deps="sparc"
1166
7f8c3d1f 1167x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1168amd3dnow_deps="mmx"
1169amd3dnowext_deps="amd3dnow"
9eeed841 1170mmx_deps="x86"
75aa95a6 1171mmx2_deps="mmx"
75aa95a6
DB
1172sse_deps="mmx"
1173ssse3_deps="sse"
9eeed841 1174
e939cedd 1175fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1176fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1177fast_unaligned_if_any="armv6 ppc x86"
669b5583 1178
89e053f8 1179need_memalign="altivec neon sse"
6fec122a 1180inline_asm_deps="!tms470"
89e053f8 1181
b462d132
MR
1182symver_if_any="symver_asm_label symver_gnu_asm"
1183
26fbcc85
MR
1184# subsystems
1185mdct_select="fft"
1186rdft_select="fft"
1187
5666fd73 1188# decoders / encoders / hardware accelerators
49351479 1189aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1190aac_encoder_select="mdct"
1191ac3_decoder_select="mdct ac3_parser"
f4d608e3 1192alac_encoder_select="lpc"
b781cc12 1193amrnb_decoder_select="lsp"
084cbbaa 1194atrac1_decoder_select="mdct"
26fbcc85
MR
1195atrac3_decoder_select="mdct"
1196binkaudio_dct_decoder_select="mdct rdft dct"
1197binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1198cavs_decoder_select="golomb"
26fbcc85 1199cook_decoder_select="mdct"
2eef7c62 1200cscd_decoder_suggest="zlib"
26fbcc85 1201dca_decoder_select="mdct"
e8ed9b7a 1202dnxhd_encoder_select="aandct"
2eef7c62 1203dxa_decoder_select="zlib"
baf91bb9 1204eac3_decoder_select="ac3_decoder"
84c04e25 1205eamad_decoder_select="aandct"
e8ed9b7a 1206eatgq_decoder_select="aandct"
d52b39c7 1207eatqi_decoder_select="aandct"
4f034993
MR
1208ffv1_decoder_select="golomb"
1209flac_decoder_select="golomb"
f4d608e3 1210flac_encoder_select="golomb lpc"
2eef7c62
AJ
1211flashsv_decoder_select="zlib"
1212flashsv_encoder_select="zlib"
4414137e 1213flv_decoder_select="h263_decoder"
4d4b4bd1 1214flv_encoder_select="h263_encoder"
e8ed9b7a 1215h261_encoder_select="aandct"
7f647ae0 1216h263_decoder_select="h263_parser"
e8ed9b7a 1217h263_encoder_select="aandct"
95a61cfc 1218h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1219h263i_decoder_select="h263_decoder"
fe629c2d 1220h263p_encoder_select="h263_encoder"
4693b031 1221h264_decoder_select="golomb h264dsp"
92c6a099
LA
1222h264_dxva2_hwaccel_deps="dxva2api_h"
1223h264_dxva2_hwaccel_select="dxva2 h264_decoder"
17492d5e 1224h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1225h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1226imc_decoder_select="fft mdct"
4f034993
MR
1227jpegls_decoder_select="golomb"
1228jpegls_encoder_select="golomb"
e8ed9b7a 1229ljpeg_encoder_select="aandct"
4f034993 1230loco_decoder_select="golomb"
e8ed9b7a 1231mjpeg_encoder_select="aandct"
2cca233b 1232mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1233mpeg1video_encoder_select="aandct"
1234mpeg2video_encoder_select="aandct"
4414137e 1235mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1236mpeg4_encoder_select="h263_encoder"
95a61cfc 1237mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1238mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
164aab02
LA
1239mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1240mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1241mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
95a61cfc 1242mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1243mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1244mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1245mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1246msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1247msmpeg4v1_encoder_select="h263_encoder"
4414137e 1248msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1249msmpeg4v2_encoder_select="h263_encoder"
4414137e 1250msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1251msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1252nellymoser_decoder_select="mdct"
1253nellymoser_encoder_select="mdct"
2eef7c62
AJ
1254png_decoder_select="zlib"
1255png_encoder_select="zlib"
b781cc12 1256qcelp_decoder_select="lsp"
26fbcc85 1257qdm2_decoder_select="mdct rdft"
31ed3f1f 1258ra_144_encoder_select="lpc"
a8beb22f 1259rv10_decoder_select="h263_decoder"
b2bf38b4 1260rv10_encoder_select="h263_encoder"
a8beb22f 1261rv20_decoder_select="h263_decoder"
b2bf38b4 1262rv20_encoder_select="h263_encoder"
4693b031
MR
1263rv30_decoder_select="golomb h264dsp"
1264rv40_decoder_select="golomb h264dsp"
4f034993 1265shorten_decoder_select="golomb"
b781cc12 1266sipr_decoder_select="lsp"
05aec7bb
MR
1267snow_decoder_select="dwt"
1268snow_encoder_select="aandct dwt"
4f034993
MR
1269sonic_decoder_select="golomb"
1270sonic_encoder_select="golomb"
1271sonic_ls_encoder_select="golomb"
19ecfb8a 1272svq1_encoder_select="aandct"
4693b031 1273svq3_decoder_select="golomb h264dsp"
bee2eac5 1274svq3_decoder_suggest="zlib"
4eef77c1 1275theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1276tiff_decoder_suggest="zlib"
1277tiff_encoder_suggest="zlib"
aec09a00 1278truehd_decoder_select="mlp_decoder"
2eef7c62 1279tscc_decoder_select="zlib"
b781cc12 1280twinvq_decoder_select="mdct lsp"
f95bfab0 1281vc1_decoder_select="h263_decoder"
9104cd51 1282vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1283vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1284vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1285vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1286vorbis_decoder_select="mdct"
1287vorbis_encoder_select="mdct"
e82dc4c9
DB
1288vp6a_decoder_select="vp6_decoder"
1289vp6f_decoder_select="vp6_decoder"
084cbbaa 1290wmapro_decoder_select="mdct"
26fbcc85
MR
1291wmav1_decoder_select="mdct"
1292wmav1_encoder_select="mdct"
1293wmav2_decoder_select="mdct"
1294wmav2_encoder_select="mdct"
005ad8a0 1295wmavoice_decoder_select="lsp rdft dct"
f95bfab0 1296wmv1_decoder_select="h263_decoder"
665507aa 1297wmv1_encoder_select="h263_encoder"
f95bfab0 1298wmv2_decoder_select="h263_decoder"
1746e2a9 1299wmv2_encoder_select="h263_encoder"
015f8ee0 1300wmv3_decoder_select="vc1_decoder"
f0f86627 1301wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1302wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1303wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1304zlib_decoder_select="zlib"
1305zlib_encoder_select="zlib"
1306zmbv_decoder_select="zlib"
1307zmbv_encoder_select="zlib"
30fd06be 1308
0afab17e 1309vaapi_deps="va_va_h"
c89c96e9
MR
1310vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1311
28b80940 1312# parsers
4693b031 1313h264_parser_select="golomb h264dsp"
28b80940 1314
f1e94694
DB
1315# bitstream_filters
1316aac_adtstoasc_bsf_select="aac_parser"
1317
912f3148 1318# external libraries
1b71f045 1319libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1320libdirac_encoder_deps="libdirac"
c9171a83 1321libfaac_encoder_deps="libfaac"
299c77d5
MR
1322libgsm_decoder_deps="libgsm"
1323libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1324libgsm_ms_decoder_deps="libgsm"
1325libgsm_ms_encoder_deps="libgsm"
1cc60c47 1326libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1327libopencore_amrnb_decoder_deps="libopencore_amrnb"
1328libopencore_amrnb_encoder_deps="libopencore_amrnb"
1329libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1330libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1331libschroedinger_decoder_deps="libschroedinger"
1332libschroedinger_encoder_deps="libschroedinger"
ae14f311 1333libspeex_decoder_deps="libspeex"
150d2772 1334libtheora_encoder_deps="libtheora"
b0caf888 1335libvorbis_encoder_deps="libvorbis"
8299a7f8 1336libvpx_decoder_deps="libvpx"
ee0e9146 1337libvpx_encoder_deps="libvpx"
1cc60c47
DB
1338libx264_encoder_deps="libx264"
1339libxvid_encoder_deps="libxvid"
30fd06be 1340
912f3148 1341# demuxers / muxers
03a76ba9 1342ac3_demuxer_deps="ac3_parser"
647c2356 1343asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1344avisynth_demuxer_deps="avisynth"
1345dirac_demuxer_deps="dirac_parser"
5b423887 1346eac3_demuxer_select="ac3_parser"
647c2356 1347ipod_muxer_select="mov_muxer"
4e622dea
SS
1348libnut_demuxer_deps="libnut"
1349libnut_muxer_deps="libnut"
647c2356 1350matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1351matroska_demuxer_suggest="zlib bzlib"
1352mov_demuxer_suggest="zlib"
1353mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1354mp4_muxer_select="mov_muxer"
1355mpegtsraw_demuxer_select="mpegts_demuxer"
1356mxf_d10_muxer_select="mxf_muxer"
24ca518b 1357ogg_demuxer_select="golomb"
647c2356 1358psp_muxer_select="mov_muxer"
4e622dea 1359rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1360rtsp_muxer_deps="sdp_demuxer"
1361rtsp_muxer_select="rtp_muxer"
4e622dea 1362sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1363sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1364spdif_muxer_select="aac_parser"
647c2356
DB
1365tg2_muxer_select="mov_muxer"
1366tgp_muxer_select="mov_muxer"
6bdaa5f4 1367w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1368
1369# indevs / outdevs
38e54a75
SS
1370alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1371alsa_indev_extralibs="-lasound"
1372alsa_outdev_deps="alsa_asoundlib_h"
1373alsa_outdev_extralibs="-lasound"
38e54a75 1374bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1375dv1394_indev_deps="dv1394 dv_demuxer"
1376jack_indev_deps="jack_jack_h"
1377jack_indev_extralibs="-ljack"
1378libdc1394_indev_deps="libdc1394"
38e54a75
SS
1379oss_indev_deps_any="soundcard_h sys_soundcard_h"
1380oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1381v4l_indev_deps="linux_videodev_h"
1382v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1383vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1384vfwcap_indev_extralibs="-lavicap32"
38e54a75 1385x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1386x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1387
912f3148 1388# protocols
3fff6382 1389gopher_protocol_deps="network"
c08fb000 1390http_protocol_deps="network"
279a0c97 1391http_protocol_select="tcp_protocol"
b4cf3f6c 1392mmst_protocol_deps="network"
deeb7012
MS
1393rtmp_protocol_select="tcp_protocol"
1394rtp_protocol_select="udp_protocol"
c08fb000
AB
1395tcp_protocol_deps="network"
1396udp_protocol_deps="network"
1397
f7679c54 1398# filters
81124ba0 1399movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1400avfilter_lavf_deps="avformat"
1401
1402# libraries
1403avdevice_deps="avcodec avformat"
1404avformat_deps="avcodec"
f7679c54 1405
912f3148 1406# programs
5a0f7131 1407ffmpeg_deps="avcodec avformat swscale"
21ae6790 1408ffmpeg_select="buffer_filter"
5a0f7131 1409ffplay_deps="avcodec avformat swscale sdl"
43689902 1410ffplay_select="rdft"
336ce917 1411ffprobe_deps="avcodec avformat"
5a0f7131 1412ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1413ffserver_extralibs='$ldl'
a2830dca 1414
c73f65d9 1415doc_deps="texi2html"
912f3148 1416
de6d9b64 1417# default parameters
8a608357 1418
19bd477d 1419logfile="config.log"
8a608357
MR
1420
1421# installation paths
c9d19248
MR
1422prefix_default="/usr/local"
1423bindir_default='${prefix}/bin'
14a8acf1 1424datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1425incdir_default='${prefix}/include'
1426libdir_default='${prefix}/lib'
1427mandir_default='${prefix}/share/man'
1428shlibdir_default="$libdir_default"
8a608357
MR
1429
1430# toolchain
121d78d0 1431ar_default="ar"
13c7df3d 1432cc_default="gcc"
a3d7c197 1433cc_version=\"unknown\"
9da6609f 1434host_cc_default="gcc"
11e6d03a 1435ln_s="ln -sf"
89641463 1436nm_default="nm"
11e6d03a 1437objformat="elf"
be7109c1 1438ranlib="ranlib"
4f837398 1439strip_default="strip"
11e6d03a 1440yasmexe="yasm"
8a608357 1441
8182dc34
MR
1442nm_opts='-g'
1443
8a608357 1444# machine
8d4c00ed 1445arch_default=$(uname -m)
38d0a8aa 1446cpu="generic"
8a608357 1447
8a608357 1448# OS
8d4c00ed
MR
1449target_os_default=$(tolower $(uname -s))
1450host_os=$target_os_default
8a608357 1451
8a608357 1452# configurable options
5a0f7131
MR
1453enable avcodec
1454enable avdevice
cccc039f 1455enable avfilter
5a0f7131 1456enable avformat
dc4f5a1c 1457enable avutil
c8a4ae00 1458enable asm
497237c7 1459enable debug
c73f65d9 1460enable doc
aa033b1e 1461enable fastdiv
497237c7
RP
1462enable ffmpeg
1463enable ffplay
336ce917 1464enable ffprobe
497237c7 1465enable ffserver
497237c7
RP
1466enable mpegaudio_hp
1467enable network
8400d6b8 1468enable optimizations
497237c7 1469enable protocols
530dc538 1470enable static
87a0fb62 1471enable stripping
5a0f7131 1472enable swscale
a9ddb5b1 1473enable swscale_alpha
8a608357 1474
8a608357 1475# build settings
9987769a 1476SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1477FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1478LIBPREF="lib"
1479LIBSUF=".a"
c5f14466
RP
1480FULLNAME='$(NAME)$(BUILDSUF)'
1481LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1482SLIBPREF="lib"
1483SLIBSUF=".so"
c5f14466 1484SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1485SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1486SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1487LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1488
7e6c86e6
MR
1489CC_O='-o $@'
1490
f0125de9 1491host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1492host_libs='-lm'
1493
9b861379 1494target_path='$(CURDIR)'
a7ada2ba 1495
0d7dca36
DB
1496# gcc stupidly only outputs the basename of targets with -MM, but we need the
1497# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1498DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1499DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1500
c597172e 1501# find source path
5e622c40 1502source_path="$(dirname "$0")"
497237c7 1503enable source_path_used
24524f36 1504if test -f configure; then
5e622c40 1505 source_path="$(pwd)"
497237c7 1506 disable source_path_used
c597172e 1507else
5e622c40 1508 source_path="$(cd "$source_path"; pwd)"
c597172e 1509 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1510 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1511 test -e "$source_path/config.h" &&
1512 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1513fi
1514
13cbe2c0 1515for v in "$@"; do
b04251c5
MR
1516 r=${v#*=}
1517 l=${v%"$r"}
1518 r=$(sh_quote "$r")
13cbe2c0
MR
1519 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1520done
c597172e 1521
73ef8980
MR
1522find_things(){
1523 thing=$1
1524 pattern=$2
1525 file=$source_path/$3
932ccf39 1526 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1527}
1528
1529ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1530DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1531HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1532PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1533BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1534MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1535DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1536OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1537INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1538PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1539FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1540
8469ae22
MR
1541for n in $COMPONENT_LIST; do
1542 v=$(toupper ${n%s})_LIST
1543 eval enable \$$v
1544 eval ${n}_if_any="\$$v"
1545done
1546
1547enable $ARCH_EXT_LIST
c597172e
MR
1548
1549die_unknown(){
1550 echo "Unknown option \"$1\"."
1551 echo "See $0 --help for available options."
1552 exit 1
1553}
1554
794f8e97 1555show_list() {
bf0c4afa
RP
1556 suffix=_$1
1557 shift
2b444ea7 1558 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1559 exit 0
1560}
1561
c597172e 1562for opt do
7483e694
DB
1563 optval="${opt#*=}"
1564 case "$opt" in
0f010b2f 1565 --extra-ldflags=*) add_ldflags $optval
7483e694 1566 ;;
0f010b2f 1567 --extra-libs=*) add_extralibs $optval
7483e694 1568 ;;
8fb1cb58 1569 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1570 ;;
40bcf4c7
BL
1571 --enable-debug=*) debuglevel="$optval"
1572 ;;
36e2dea0 1573 --disable-everything)
e0e335a0 1574 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1575 ;;
7483e694 1576 --enable-*=*|--disable-*=*)
8b93ddc3 1577 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1578 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1579 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1580 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1581 $action $(filter "$name" $list)
7483e694
DB
1582 ;;
1583 --enable-?*|--disable-?*)
5e622c40 1584 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1585 if is_in $option $COMPONENT_LIST; then
fed5d54b 1586 test $action = disable && action=unset
e3773a55
MR
1587 eval $action \$$(toupper ${option%s})_LIST
1588 elif is_in $option $CMDLINE_SELECT; then
1589 $action $option
1590 else
1591 die_unknown $opt
1592 fi
7483e694
DB
1593 ;;
1594 --list-*)
1595 NAME="${opt#--list-}"
1596 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1597 NAME=${NAME%s}
1598 eval show_list $NAME \$$(toupper $NAME)_LIST
1599 ;;
1600 --help|-h) show_help
1601 ;;
1602 *)
884a36a7 1603 optname="${opt%%=*}"
26759c44
MR
1604 optname="${optname#--}"
1605 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1606 if is_in $optname $CMDLINE_SET; then
1607 eval $optname='$optval'
1608 elif is_in $optname $CMDLINE_APPEND; then
1609 append $optname "$optval"
1610 else
1611 die_unknown $opt
1612 fi
7483e694
DB
1613 ;;
1614 esac
c597172e
MR
1615done
1616
bcea99bb
MR
1617disabled logging && logfile=/dev/null
1618
13cbe2c0 1619echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1620set >> $logfile
1621
9da6609f
MR
1622test -n "$cross_prefix" && enable cross_compile
1623
8d4c00ed
MR
1624if enabled cross_compile; then
1625 test -n "$arch" && test -n "$target_os" ||
1626 die "Must specify target arch and OS when cross-compiling"
1627fi
1628
1629set_default arch target_os
1630
121d78d0 1631ar_default="${cross_prefix}${ar_default}"
11e6d03a 1632cc_default="${cross_prefix}${cc_default}"
20e0ed95 1633nm_default="${cross_prefix}${nm_default}"
adb2b908 1634ranlib="${cross_prefix}${ranlib}"
4f837398 1635strip_default="${cross_prefix}${strip_default}"
adb2b908 1636
c5200f17
MR
1637sysinclude_default="${sysroot}/usr/include"
1638
4f837398 1639set_default cc nm strip sysinclude
9da6609f
MR
1640enabled cross_compile || host_cc_default=$cc
1641set_default host_cc
13c7df3d 1642
82bb3329
MR
1643exesuf() {
1644 case $1 in
1645 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1646 esac
1647}
1648
1649EXESUF=$(exesuf $target_os)
1650HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1651
e4e69e0b 1652# set temporary file name
a49d42c2 1653: ${TMPDIR:=$TEMPDIR}
c51fafa1 1654: ${TMPDIR:=$TMP}
a49d42c2 1655: ${TMPDIR:=/tmp}
e4e69e0b 1656
54460a83
MR
1657if ! check_cmd type mktemp; then
1658 # simple replacement for missing mktemp
1659 # NOT SAFE FOR GENERAL USE
1660 mktemp(){
1661 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1662 }
1663fi
1664
1665tmpfile(){
1666 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1667 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1668 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1669 append TMPFILES $tmp
1670 eval $1=$tmp
1671}
1672
1673trap 'rm -f -- $TMPFILES' EXIT
1674trap exit HUP INT TERM
1675
1676tmpfile TMPC .c
1677tmpfile TMPE $EXESUF
1678tmpfile TMPH .h
1679tmpfile TMPO .o
1680tmpfile TMPS .S
a482e61b 1681tmpfile TMPV .ver
54460a83
MR
1682tmpfile TMPSH .sh
1683
1684unset -f mktemp
e4e69e0b 1685
993f2d0f
MR
1686# make sure we can execute files in $TMPDIR
1687cat > $TMPSH 2>> $logfile <<EOF
1688#! /bin/sh
1689EOF
1690chmod +x $TMPSH >> $logfile 2>&1
1691if ! $TMPSH >> $logfile 2>&1; then
1692 cat <<EOF
1693Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1694variable to another directory and make sure that it is not mounted noexec.
1695EOF
1696 die "Sanity test failed."
1697fi
993f2d0f 1698
19b4c628
MR
1699filter_cflags=echo
1700filter_cppflags=echo
1701filter_asflags=echo
1702
8f0c157a 1703if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1704 cc_type=gcc
a3d7c197 1705 cc_version=__VERSION__
aef6bd1b
MR
1706 if ! $cc -dumpversion | grep -q '^2\.'; then
1707 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1708 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1709 fi
14ca9cd0
MR
1710 speed_cflags='-O3'
1711 size_cflags='-Os'
629687f6
MR
1712elif $cc --version 2>/dev/null | grep -q Intel; then
1713 cc_type=icc
6e3fa35d 1714 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1715 CC_DEPFLAGS='-MMD'
1716 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1717 speed_cflags='-O3'
1718 size_cflags='-Os'
b05394a0 1719 noopt_cflags='-O1'
629687f6
MR
1720elif $cc -v 2>&1 | grep -q xlc; then
1721 cc_type=xlc
6e3fa35d 1722 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1723 speed_cflags='-O5'
1724 size_cflags='-O5 -qcompact'
df442a8d
MR
1725elif $cc -V 2>/dev/null | grep -q Compaq; then
1726 cc_type=ccc
6e3fa35d 1727 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1728 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1729 debuglevel=3
df442a8d 1730 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1731 speed_cflags='-fast'
1732 size_cflags='-O1'
6a0d5493 1733elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1734 test -d "$sysroot" || die "No valid sysroot specified."
1735 cc_type=armcc
6e3fa35d 1736 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1737 armcc_conf="$PWD/armcc.conf"
1738 $cc --arm_linux_configure \
1739 --arm_linux_config_file="$armcc_conf" \
1740 --configure_sysroot="$sysroot" \
1741 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1742 die "Error creating armcc configuration file."
1743 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1744 as_default="${cross_prefix}gcc"
07dec06e
MR
1745 CC_DEPFLAGS='-MMD'
1746 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1747 speed_cflags='-O3'
1748 size_cflags='-Os'
6fec122a
MR
1749elif $cc -version 2>/dev/null | grep -q TMS470; then
1750 cc_type=tms470
6e3fa35d 1751 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1752 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1753 CC_O='-fr=$(@D)'
1754 as_default="${cross_prefix}gcc"
1755 ld_default="${cross_prefix}gcc"
6fec122a
MR
1756 TMPO=$(basename $TMPC .c).o
1757 append TMPFILES $TMPO
1758 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1759 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1760 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1761 speed_cflags='-O3 -mf=5'
1762 size_cflags='-O3 -mf=2'
6fec122a
MR
1763 filter_cflags=tms470_flags
1764 tms470_flags(){
1765 for flag; do
1766 case $flag in
1767 -march=*|-mcpu=*)
1768 case "${flag#*=}" in
1769 armv7-a|cortex-a*) echo -mv=7a8 ;;
1770 armv7-r|cortex-r*) echo -mv=7r4 ;;
1771 armv7-m|cortex-m*) echo -mv=7m3 ;;
1772 armv6*|arm11*) echo -mv=6 ;;
1773 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1774 echo -mv=5e ;;
1775 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1776 esac
1777 ;;
1778 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1779 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1780 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1781 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1782 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1783 -g) echo -g -mn ;;
587d24ff 1784 -pds=*) echo $flag ;;
6fec122a
MR
1785 esac
1786 done
1787 }
06da6943
DC
1788elif $cc -v 2>&1 | grep -q clang; then
1789 cc_type=clang
1790 cc_version=__VERSION__
1791 CC_DEPFLAGS='-MMD'
1792 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1793 speed_cflags='-O3'
1794 size_cflags='-Os'
2a472e9c
MK
1795elif $cc -V 2>&1 | grep -q Sun; then
1796 cc_type=suncc
1797 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1798 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1799 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1800 speed_cflags='-O5'
1801 size_cflags='-O5 -xspace'
03279bbe
MK
1802 filter_cflags=suncc_flags
1803 suncc_flags(){
1804 for flag; do
1805 case $flag in
1806 -march=*|-mcpu=*)
1807 case "${flag#*=}" in
1808 native) echo -xtarget=native ;;
87ddc38b 1809 v9|niagara) echo -xarch=sparc ;;
03279bbe 1810 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 1811 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
1812 i586|pentium) echo -xchip=pentium ;;
1813 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1814 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1815 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1816 pentium4*) echo -xtarget=pentium4 ;;
1817 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1818 *-sse3) echo -xarch=sse3 ;;
1819 core2) echo -xarch=ssse3 -xchip=core2 ;;
1820 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1821 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1822 k8|opteron|athlon64|athlon-fx)
1823 echo -xarch=sse2a ;;
1824 athlon*) echo -xarch=pentium_proa ;;
1825 esac
1826 ;;
1827 -std=c99) echo -xc99 ;;
1828 -fomit-frame-pointer) echo -xregs=frameptr ;;
1829 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1830 -W*,*) echo $flag ;;
1831 -f*-*|-W*) ;;
1832 *) echo $flag ;;
1833 esac
1834 done
1835 }
629687f6
MR
1836fi
1837
851ffa80
MR
1838test -n "$cc_type" && enable $cc_type ||
1839 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 1840
75bafbac 1841: ${as_default:=$cc}
50567afa 1842: ${dep_cc_default:=$cc}
684b28e0 1843: ${ld_default:=$cc}
121d78d0 1844set_default ar as dep_cc ld
75800dce 1845
07dec06e
MR
1846test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1847test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1848
7f32f40c 1849add_cflags $extra_cflags
2f2e6c7c 1850add_asflags $extra_cflags
7f32f40c 1851
154d432c
MR
1852if test -n "$sysroot"; then
1853 case "$cc_type" in
1854 gcc)
467256f2 1855 add_cppflags --sysroot="$sysroot"
154d432c
MR
1856 add_ldflags --sysroot="$sysroot"
1857 ;;
6fec122a
MR
1858 tms470)
1859 add_cppflags -I"$sysinclude"
1860 add_ldflags --sysroot="$sysroot"
1861 ;;
06da6943 1862 clang)
4def700e
DC
1863 add_cppflags -isysroot "$sysroot"
1864 add_ldflags -isysroot "$sysroot"
06da6943 1865 ;;
154d432c
MR
1866 esac
1867fi
1868
d22c13a8
MR
1869if test "$cpu" = host; then
1870 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1871
1872 case "$cc_type" in
1873 gcc)
1874 check_native(){
1875 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1876 sed -n "/$1=/{
1877 s/.*$1=\\([^ ]*\\).*/\\1/
1878 p
1879 q
1880 }" $TMPE
d22c13a8
MR
1881 }
1882 cpu=$(check_native -march || check_native -mcpu)
1883 ;;
1884 esac
1885
1886 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1887fi
1888
e939cedd
MR
1889# Deal with common $arch aliases
1890case "$arch" in
1891 arm*)
1892 arch="arm"
1893 ;;
1894 mips|mipsel|IP*)
1895 arch="mips"
1896 ;;
47b1860e 1897 mips64*)
e939cedd
MR
1898 arch="mips"
1899 subarch="mips64"
1900 ;;
1901 parisc|hppa)
1902 arch="parisc"
1903 ;;
1904 parisc64|hppa64)
1905 arch="parisc"
1906 subarch="parisc64"
1907 ;;
1908 "Power Macintosh"|ppc|powerpc)
1909 arch="ppc"
1910 ;;
47b1860e 1911 ppc64|powerpc64)
e939cedd
MR
1912 arch="ppc"
1913 subarch="ppc64"
1914 ;;
1915 s390|s390x)
1916 arch="s390"
1917 ;;
1918 sh4|sh)
1919 arch="sh4"
1920 ;;
1921 sun4u|sparc64)
1922 arch="sparc"
1923 subarch="sparc64"
1924 ;;
1925 i[3-6]86|i86pc|BePC|x86_64|amd64)
1926 arch="x86"
1927 ;;
1928esac
1929
851ffa80 1930is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 1931enable $arch
e939cedd 1932
df5cdc24 1933# Add processor-specific flags
5d54c126
MR
1934if test "$cpu" = generic; then
1935 : do nothing
1936elif enabled ppc; then
343aef9b 1937
56348891
MR
1938 case $(tolower $cpu) in
1939 601|ppc601|powerpc601)
9dbd5c3d 1940 cpuflags="-mcpu=601"
64ad53ff 1941 disable altivec
9dbd5c3d 1942 ;;
56348891 1943 603*|ppc603*|powerpc603*)
9dbd5c3d 1944 cpuflags="-mcpu=603"
64ad53ff 1945 disable altivec
9dbd5c3d 1946 ;;
56348891 1947 604*|ppc604*|powerpc604*)
9dbd5c3d 1948 cpuflags="-mcpu=604"
64ad53ff 1949 disable altivec
9dbd5c3d 1950 ;;
56348891 1951 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1952 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1953 disable altivec
9dbd5c3d 1954 ;;
56348891 1955 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1956 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1957 ;;
56348891 1958 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1959 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1960 ;;
56348891 1961 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1962 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1963 ;;
56348891 1964 cell)
9dbd5c3d
MR
1965 cpuflags="-mcpu=cell"
1966 enable ldbrx
1967 ;;
7b0b81a1
AL
1968 e500v2)
1969 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1970 disable altivec
1971 ;;
1972 e500)
1973 cpuflags="-mcpu=8540 -mhard-float"
1974 disable altivec
1975 ;;
9dbd5c3d 1976 esac
343aef9b
MR
1977
1978elif enabled x86; then
1979
9dbd5c3d
MR
1980 case $cpu in
1981 i[345]86|pentium)
1982 cpuflags="-march=$cpu"
1983 disable mmx
1984 ;;
1985 # targets that do NOT support conditional mov (cmov)
1986 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1987 cpuflags="-march=$cpu"
1988 disable cmov
1989 ;;
1990 # targets that do support conditional mov (cmov)
a65e687b 1991 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
9dbd5c3d
MR
1992 cpuflags="-march=$cpu"
1993 enable cmov
1994 enable fast_cmov
1995 ;;
1996 # targets that do support conditional mov but on which it's slow
1997 pentium4|pentium4m|prescott|nocona)
1998 cpuflags="-march=$cpu"
1999 enable cmov
2000 disable fast_cmov
2001 ;;
2002 esac
343aef9b
MR
2003
2004elif enabled sparc; then
2005
9dbd5c3d 2006 case $cpu in
26b7199e
MK
2007 niagara)
2008 cpuflags="-mcpu=$cpu"
2009 disable vis
2010 ;;
9dbd5c3d
MR
2011 sparc64)
2012 cpuflags="-mcpu=v9"
2013 ;;
2014 esac
343aef9b
MR
2015
2016elif enabled arm; then
2017
34ba23c9
MR
2018 case $cpu in
2019 armv*)
2020 cpuflags="-march=$cpu"
2021 ;;
2022 *)
2023 cpuflags="-mcpu=$cpu"
2024 ;;
2025 esac
343aef9b
MR
2026
2027elif enabled alpha; then
2028
34ba23c9 2029 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2030
2031elif enabled bfin; then
2032
34ba23c9 2033 cpuflags="-mcpu=$cpu"
343aef9b
MR
2034
2035elif enabled mips; then
2036
34ba23c9 2037 cpuflags="-march=$cpu"
343aef9b
MR
2038
2039elif enabled avr32; then
2040
9dbd5c3d
MR
2041 case $cpu in
2042 ap7[02]0[0-2])
2043 subarch="avr32_ap"
2044 cpuflags="-mpart=$cpu"
2045 ;;
2046 ap)
2047 subarch="avr32_ap"
2048 cpuflags="-march=$cpu"
2049 ;;
2050 uc3[ab]*)
2051 subarch="avr32_uc"
2052 cpuflags="-mcpu=$cpu"
2053 ;;
2054 uc)
2055 subarch="avr32_uc"
2056 cpuflags="-march=$cpu"
2057 ;;
2058 esac
df5cdc24 2059
343aef9b
MR
2060fi
2061
df5cdc24
MR
2062add_cflags $cpuflags
2063add_asflags $cpuflags
2064
993f2d0f
MR
2065# compiler sanity check
2066check_exec <<EOF
2067int main(void){ return 0; }
2068EOF
2069if test "$?" != 0; then
2070 echo "$cc is unable to create an executable file."
2071 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2072 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2073 echo "Only do this if you know what cross compiling means."
2074 fi
2075 die "C compiler test failed."
2076fi
2077
38a9c529 2078add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2079check_cflags -std=c99
50a334e4 2080check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2081#include <stdlib.h>
2082EOF
50a334e4 2083check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2084#include <stdlib.h>
2085EOF
e9b9a2f8 2086
f0125de9
MR
2087check_host_cflags -std=c99
2088
b24dbcbd 2089case "$arch" in
e939cedd 2090 alpha|ia64|mips|parisc|sparc)
8a3c8627 2091 spic=$shared
b24dbcbd 2092 ;;
e939cedd 2093 x86)
cfdb6148 2094 subarch="x86_32"
e939cedd 2095 check_cc <<EOF && subarch="x86_64"
58b3536d 2096 int test[(int)sizeof(char*) - 7];
cfdb6148 2097EOF
de27f4d9 2098 if test "$subarch" = "x86_64"; then
e939cedd 2099 spic=$shared
de27f4d9 2100 fi
b24dbcbd 2101 ;;
b24dbcbd
RP
2102esac
2103
343aef9b 2104enable $subarch
8a3c8627 2105enabled spic && enable pic
b24dbcbd 2106
7483e694 2107# OS specific
4f854758 2108case $target_os in
a1629e28 2109 haiku)
63ae7e7c 2110 prefix_default="/boot/common"
108caaaa 2111 network_extralibs="-lnetwork"
a1629e28 2112 ;;
7483e694
DB
2113 sunos)
2114 FFSERVERLDFLAGS=""
9987769a 2115 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2116 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2117 network_extralibs="-lsocket -lnsl"
50a334e4 2118 add_cppflags -D__EXTENSIONS__
8182dc34 2119 nm_opts='-P -g'
7483e694
DB
2120 ;;
2121 netbsd)
07a8eef6
MR
2122 oss_indev_extralibs="-lossaudio"
2123 oss_outdev_extralibs="-lossaudio"
2138dc99 2124 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2125 ;;
2126 openbsd)
89e053f8 2127 enable malloc_aligned
7c4a001a
MR
2128 # On OpenBSD 4.5. the compiler does not use PIC unless
2129 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2130 # however the generated executable will not do anything
2131 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2132 # Thus explicitly enable PIC here.
cd78208b 2133 enable pic
7483e694 2134 SHFLAGS='-shared'
07a8eef6
MR
2135 oss_indev_extralibs="-lossaudio"
2136 oss_outdev_extralibs="-lossaudio"
7483e694 2137 ;;
90b4f091 2138 freebsd|dragonfly)
89e053f8 2139 enable malloc_aligned
7483e694
DB
2140 ;;
2141 bsd/os)
2142 osextralibs="-lpoll -lgnugetopt"
2143 strip="strip -d"
2144 ;;
2145 darwin)
89e053f8 2146 enable malloc_aligned
0138c54e 2147 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
be90cd27 2148 strip="${strip} -x"
7483e694
DB
2149 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2150 SLIBSUF=".dylib"
2151 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2152 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2153 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2154 objformat="macho"
1b0f6fb8 2155 enabled x86_64 && objformat="macho64"
8dfa86f7 2156 enabled_any pic shared ||
2704bd1a 2157 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2158 ;;
2159 mingw32*)
9d3f4f50 2160 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2161 disable network
2162 else
2163 target_os=mingw32
2164 fi
dcc01c06 2165 LIBTARGET=i386
1fc9fb8a 2166 if enabled x86_64; then
89e053f8 2167 enable malloc_aligned
dcc01c06 2168 LIBTARGET=x64
336cc1b0
MS
2169 elif enabled arm; then
2170 LIBTARGET=arm
dcc01c06 2171 fi
fbd971a4 2172 shlibdir_default="$bindir_default"
7483e694
DB
2173 disable ffserver
2174 SLIBPREF=""
2175 SLIBSUF=".dll"
7483e694
DB
2176 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2177 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2178 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2179 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2180 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2181 install -d "$(LIBDIR)"; \
2182 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2183 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2184 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2185 objformat="win32"
bc574408 2186 enable dos_paths
1894e741 2187 check_cflags -fno-common
b1549d61 2188 if ! enabled x86_64; then
f7ad5aa2
RP
2189 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2190 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2191 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2192 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2193 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2194 fi
7483e694
DB
2195 ;;
2196 cygwin*)
4f854758 2197 target_os=cygwin
fbd971a4 2198 shlibdir_default="$bindir_default"
7483e694
DB
2199 SLIBPREF="cyg"
2200 SLIBSUF=".dll"
2201 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2202 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2203 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2204 objformat="win32"
bc574408 2205 enable dos_paths
1894e741 2206 check_cflags -fno-common
7483e694 2207 ;;
4f365f37 2208 *-dos|freedos|opendos)
fdf11906 2209 disable ffplay ffserver
4f365f37
MK
2210 disable $INDEV_LIST $OUTDEV_LIST
2211 network_extralibs="-lsocket"
ff1c015d 2212 objformat="coff"
bc574408 2213 enable dos_paths
4f365f37 2214 ;;
7483e694 2215 linux)
7483e694
DB
2216 enable dv1394
2217 ;;
2218 irix*)
4f854758 2219 target_os=irix
7483e694
DB
2220 ranlib="echo ignoring ranlib"
2221 ;;
d22e8442 2222 os/2*)
d22e8442
DY
2223 strip="lxlite"
2224 ln_s="cp -f"
d22e8442 2225 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2226 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2227 FFSERVERLDFLAGS=""
287d3b13 2228 LIBSUF="_s.a"
d22e8442
DY
2229 SLIBPREF=""
2230 SLIBSUF=".dll"
2231 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2232 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2233 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2234 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2235 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2236 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2237 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2238 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2239 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2240 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2241 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2242 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2243 enable dos_paths
d22e8442 2244 ;;
83993c1c
AM
2245 gnu/kfreebsd)
2246 ;;
34e82167 2247 gnu)
34e82167 2248 ;;
614d8911
MR
2249 none)
2250 ;;
7483e694 2251 *)
4f924f9a 2252 die "Unknown OS '$target_os'."
7483e694
DB
2253 ;;
2254esac
2255
13cb2187
AS
2256check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2257
c9d19248
MR
2258set_default $PATHS_LIST
2259
c597172e 2260add_extralibs $osextralibs
de6d9b64 2261
28d8e661
DB
2262# Combine FFLDFLAGS and the LDFLAGS environment variable.
2263LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2264
320d060a 2265# we need to build at least one lib type
93b3c083 2266if ! enabled_any static shared; then
320d060a
DB
2267 cat <<EOF
2268At least one library type must be built.
2269Specify --enable-static to build the static libraries or --enable-shared to
2270build the shared libraries as well. To only build the shared libraries specify
2271--disable-static in addition to --enable-shared.
2272EOF
2273 exit 1;
2274fi
2275
abc4e572 2276disabled static && LIBNAME=""
2a320695 2277
2184c6f7 2278die_license_disabled() {
4c27207c 2279 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2280}
2281
2184c6f7
DB
2282die_license_disabled gpl libx264
2283die_license_disabled gpl libxvid
2284die_license_disabled gpl postproc
2285die_license_disabled gpl x11grab
2286
2f7ae63b 2287die_license_disabled nonfree libfaac
b2e3c528 2288
0b175caa
DB
2289die_license_disabled version3 libopencore_amrnb
2290die_license_disabled version3 libopencore_amrwb
2291
9cad0e4e 2292enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2293
9eeed841 2294check_deps $ARCH_EXT_LIST
0f3cb305 2295
40617a6d 2296disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2297
e276d9e8
MR
2298enable_pic() {
2299 enable pic
bce7b696
MR
2300 add_cppflags -DPIC
2301 add_cflags -fPIC
2302 add_asflags -fPIC
e276d9e8
MR
2303}
2304
2305enabled pic && enable_pic
bce7b696 2306
b4d96ba2
MR
2307check_cc <<EOF || die "Symbol mangling check failed."
2308int ff_extern;
2309EOF
8182dc34 2310sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2311extern_prefix=${sym%%ff_extern*}
2312
f65883c8
MR
2313check_cc <<EOF && enable inline_asm
2314void foo(void) { __asm__ volatile ("" ::); }
2315EOF
61d251db 2316
df5e3978
MR
2317_restrict=
2318for restrict_keyword in restrict __restrict__ __restrict; do
2319 check_cc <<EOF && _restrict=$restrict_keyword && break
2320void foo(char * $restrict_keyword p);
2321EOF
2322done
2323
2324check_cc <<EOF && enable attribute_packed
2325struct { int x; } __attribute__((packed)) x;
2326EOF
2327
dffb41b9
MR
2328check_cc <<EOF && enable attribute_may_alias
2329union { int x; } __attribute__((may_alias)) x;
2330EOF
2331
df5e3978
MR
2332check_cc <<EOF || die "endian test failed"
2333unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2334EOF
48fc536a 2335od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2336
e939cedd
MR
2337if enabled alpha; then
2338
2339 check_cflags -mieee
2340
2341elif enabled arm; then
e45391bb 2342
50fa82e6
MR
2343 check_cflags -marm
2344
fa0912fe
MR
2345 check_ld <<EOF && enable vfp_args
2346__asm__ (".eabi_attribute 28, 1");
2347int main(void) { return 0; }
2348EOF
2349
2350 # We have to check if pld is a nop and disable it.
2351 check_asm pld '"pld [r0]"'
2352
2353 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2354 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2355 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2356 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2357 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2358 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2359
e276d9e8
MR
2360 enabled_all armv6t2 shared !pic && enable_pic
2361
fa0912fe 2362elif enabled mips; then
e45391bb 2363
fa0912fe
MR
2364 check_asm loongson '"dmult.g $1, $2, $3"'
2365 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2366
fa0912fe 2367elif enabled ppc; then
e45391bb 2368
e6a0c354
MR
2369 enable local_aligned_8 local_aligned_16
2370
fa0912fe
MR
2371 check_asm dcbzl '"dcbzl 0, 1"'
2372 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2373 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2374
2375 # AltiVec flags: The FSF version of GCC differs from the Apple version
2376 if enabled altivec; then
2377 check_cflags -maltivec -mabi=altivec &&
2378 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2379 check_cflags -faltivec
2380
2381 # check if our compiler supports Motorola AltiVec C API
2382 check_cc <<EOF || disable altivec
2383$inc_altivec_h
2384int main(void) {
2385 vector signed int v1, v2, v3;
2386 v1 = vec_add(v2,v3);
2387 return 0;
2388}
2389EOF
2390
2391 # check if our compiler supports braces for vector declarations
2392 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2393$inc_altivec_h
2394int main (void) { (vector int) {1}; return 0; }
2395EOF
2396 fi
e45391bb 2397
fa0912fe 2398elif enabled sparc; then
e45391bb 2399
fa0912fe
MR
2400 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2401 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2402
fa0912fe 2403elif enabled x86; then
e45391bb 2404
e6a0c354
MR
2405 enable local_aligned_8 local_aligned_16
2406
44965991
PI
2407 # check whether EBP is available on x86
2408 # As 'i' is stored on the stack, this program will crash
2409 # if the base pointer is used to access it because the
2410 # base pointer is cleared in the inline assembly code.
7dfef245 2411 check_exec_crash <<EOF && enable ebp_available
44965991 2412 volatile int i=0;
be449fca 2413 __asm__ volatile (
44965991
PI
2414 "xorl %%ebp, %%ebp"
2415 ::: "%ebp");
2416 return i;
44965991
PI
2417EOF
2418
f494213c 2419 # check whether EBX is available on x86
7cee5421
MR
2420 check_asm ebx_available '""::"b"(0)' &&
2421 check_asm ebx_available '"":::"%ebx"'
8e380710 2422
d3a4b4e0
DB
2423 # check whether more than 10 operands are supported
2424 check_cc <<EOF && enable ten_operands
2425int main(void) {
2426 int x=0;
2427 __asm__ volatile(
2428 ""
2429 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2430 );
2431 return 0;
2432}
2433EOF
2434
d7f0920b 2435 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2436 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2437 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2438
2439 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2440
d52481b9 2441 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2442 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2443 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2444 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2445 case "$objformat" in
2446 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2447 esac
31a0dcb2
MR
2448 if ! disabled yasm; then
2449 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2450 warn "yasm not found, performance will suffer"
2451 fi
e45391bb 2452
669b5583
MR
2453 case "$cpu" in
2454 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2455 disable fast_clz
2456 ;;
2457 esac
2458
44965991
PI
2459fi
2460
a98bb16d
RP
2461if check_func dlopen; then
2462 ldl=
2463elif check_func dlopen -ldl; then
2464 ldl=-ldl
8bf5d58f
MN
2465fi
2466
75ecf149
DB
2467# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2468check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2469
7483e694 2470check_func fork
84882df6 2471check_func getaddrinfo $network_extralibs
7483e694
DB
2472check_func gethrtime
2473check_func getrusage
fc5607f8 2474check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2475check_func inet_aton $network_extralibs
abfc8d05 2476check_func isatty
4ae40685 2477check_func ${malloc_prefix}memalign && enable memalign
7483e694 2478check_func mkstemp
4ae40685 2479check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2480check_func setrlimit
87958234 2481check_func strerror_r
b507ebd1 2482check_func_headers io.h setmode
e4673692 2483check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2484check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2485check_func_headers windows.h GetProcessTimes
7c5bfe7a 2486check_func_headers windows.h VirtualAlloc
6ffa87d3 2487
e16e49ac 2488check_header conio.h
a98bb16d 2489check_header dlfcn.h
92c6a099 2490check_header dxva2api.h
a98bb16d 2491check_header malloc.h
bf6ce82d 2492check_header poll.h
b58412f1 2493check_header sys/mman.h
b091aa44 2494check_header sys/resource.h
bf6ce82d 2495check_header sys/select.h
a98bb16d 2496check_header termios.h
272081b0
CEH
2497check_header vdpau/vdpau.h
2498check_header vdpau/vdpau_x11.h
68178ca9 2499check_header X11/extensions/XvMClib.h
a98bb16d 2500
9104cd51
RP
2501check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2502
89e053f8
MR
2503if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2504 enabled_any $need_memalign ; then
1f91cdce 2505 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2506fi
e16e49ac 2507
a4fa192c 2508disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2509disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2510
2511# check for some common methods of building with pthread support
2512# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
2513if ! disabled pthreads && ! enabled w32threads; then
2514 enable pthreads
9e7fd101
MR
2515 if check_func pthread_create; then
2516 :
2517 elif check_func pthread_create -pthread; then
2518 add_cflags -pthread
afc9aee2 2519 add_extralibs -pthread
9e7fd101
MR
2520 elif check_func pthread_create -pthreads; then
2521 add_cflags -pthreads
afc9aee2 2522 add_extralibs -pthreads
8d94f606
GT
2523 elif check_func pthread_create -lpthreadGC2; then
2524 add_extralibs -lpthreadGC2
9e7fd101 2525 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 2526 disable pthreads
9e7fd101 2527 fi
57bd82d4
MR
2528fi
2529
8eee7025 2530for thread in $THREADS_LIST; do
e5f94c2b 2531 if enabled $thread; then
3ae3b721
RP
2532 test -n "$thread_type" &&
2533 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2534 thread_type="$thread"
e5f94c2b
RP
2535 fi
2536done
2537
fdf88598 2538check_lib math.h sin -lm
edd43c95 2539disabled vaapi || check_lib va/va.h vaInitialize -lva
fdf88598 2540
645d2652
MR
2541check_mathfunc exp2
2542check_mathfunc exp2f
2543check_mathfunc llrint
07876e25 2544check_mathfunc llrintf
645d2652
MR
2545check_mathfunc log2
2546check_mathfunc log2f
2547check_mathfunc lrint
2548check_mathfunc lrintf
2549check_mathfunc round
2550check_mathfunc roundf
2551check_mathfunc truncf
f32adb22 2552
57bd82d4 2553# these are off by default, so fail if requested and not available
a1b3c5a3 2554enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2555enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2556 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2557 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097 2558enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5af41508 2559enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2560enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2561enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2562enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2563enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2564enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3a9bc39e 2565enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
36718e51
DB
2566enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2567 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2568enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2569enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2570enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
ee0e9146
JZ
2571enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2572 require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
60877ad9 2573enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
652d9d24
JGG
2574 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2575 die "ERROR: libx264 version must be >= 0.98."; }
2bfecf73 2576enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2577enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2578
0b4a1821
AS
2579# libdc1394 check
2580if enabled libdc1394; then
2581 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2582 enable libdc1394_2; } ||
2583 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2584 enable libdc1394_1; } ||
2585 die "ERROR: No version of libdc1394 found "
2586fi
2587
6a1a892f 2588SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2589if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2590 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2591 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2592 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2593 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2594 enable sdl &&
2595 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2596fi
57bd82d4 2597
2270b4b2 2598texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2599
73b46a95 2600if enabled network; then
96000432 2601 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2602 check_type netdb.h "struct addrinfo"
b4d68544
MS
2603 check_type netinet/in.h "struct ipv6_mreq"
2604 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2605 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2606 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2607 # Prefer arpa/inet.h over winsock2
2608 if check_header arpa/inet.h ; then
2609 check_func closesocket
2610 elif check_header winsock2.h ; then
f4c13872
MS
2611 check_func_headers winsock2.h closesocket -lws2 && \
2612 network_extralibs="-lws2" || \
2613 { check_func_headers winsock2.h closesocket -lws2_32 && \
2614 network_extralibs="-lws2_32"; }
72be9e73 2615 check_type ws2tcpip.h socklen_t
c0018613 2616 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2617 check_type ws2tcpip.h "struct ipv6_mreq"
2618 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2619 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2620 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2621 else
2622 disable network
73b46a95
RP
2623 fi
2624fi
2625
06e31011
RP
2626check_header linux/videodev.h
2627check_header linux/videodev2.h
1b6e8b73 2628check_header sys/videoio.h
47f38850 2629
27796dc3 2630check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2631
f8aa696f 2632# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2633{ check_header dev/bktr/ioctl_meteor.h &&
2634 check_header dev/bktr/ioctl_bt848.h; } ||
2635{ check_header machine/ioctl_meteor.h &&
2636 check_header machine/ioctl_bt848.h; } ||
2637{ check_header dev/video/meteor/ioctl_meteor.h &&
2638 check_header dev/video/bktr/ioctl_bt848.h; } ||
2639check_header dev/ic/bt8xx.h
f8aa696f 2640
c7682de0
RP
2641check_header sys/soundcard.h
2642check_header soundcard.h
deb29777 2643
b6f3d925 2644enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2645
0e57fe17 2646enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2647
56a059ac 2648enabled x11grab &&
f58f4ce1
GP
2649check_header X11/Xlib.h &&
2650check_header X11/extensions/XShm.h &&
0a045661 2651check_header X11/extensions/Xfixes.h &&
f58f4ce1 2652check_func XOpenDisplay -lX11 &&
781c1aa6
R
2653check_func XShmCreateImage -lX11 -lXext &&
2654check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2655
598ef02b 2656if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2657check_cpp_condition \
2658 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2659 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2660 disable vdpau; }
abf649c7 2661fi
deda2a4a 2662
95e561ec 2663enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2664
2665# add some useful compiler flags if supported
2666check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2667check_cflags -Wall
2668check_cflags -Wno-switch
c07bd6a9
MN
2669check_cflags -Wdisabled-optimization
2670check_cflags -Wpointer-arith
2671check_cflags -Wredundant-decls
cc1fb623 2672check_cflags -Wno-pointer-sign
f4929996 2673check_cflags -Wcast-qual
9aceb3cf 2674check_cflags -Wwrite-strings
652a5bf6 2675check_cflags -Wtype-limits
764551c6 2676check_cflags -Wundef
fc298fd9 2677check_cflags -Wmissing-prototypes
5af4e0cc 2678enabled extra_warnings && check_cflags -Winline
cf9d24ad 2679
57bd82d4 2680# add some linker flags
5c0e9479 2681check_ldflags -Wl,--warn-common
8351d2ba
DB
2682check_ldflags -Wl,--as-needed
2683check_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 2684check_ldflags -Wl,-Bsymbolic
94a3401e 2685
a482e61b 2686echo "X{};" > $TMPV
b462d132 2687if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 2688 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
2689 check_cc <<EOF && enable symver_asm_label
2690void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 2691void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
2692EOF
2693 check_cc <<EOF && enable symver_gnu_asm
2694__asm__(".symver ff_foo,av_foo@VERSION");
2695void ff_foo(void) {}
2696EOF
2697fi
a482e61b 2698
bd2216e4 2699if enabled small; then
14ca9cd0 2700 add_cflags $size_cflags
8400d6b8
DB
2701 optimizations="small"
2702elif enabled optimizations; then
14ca9cd0 2703 add_cflags $speed_cflags
b05394a0
MR
2704else
2705 add_cflags $noopt_cflags
cddf3f45 2706fi
11fdbc44 2707check_cflags -fno-math-errno
b2eb2ff0 2708check_cflags -fno-signed-zeros
cddf3f45 2709
629687f6 2710if enabled icc; then
b1598b58
MR
2711 # Just warnings, no remarks
2712 check_cflags -w1
2713 # -wd: Disable following warnings
2714 # 144, 167, 556: -Wno-pointer-sign
2715 # 10006: ignoring unknown option -fno-signed-zeros
2716 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2717 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2718 # 11030: Warning unknown option --as-needed
2719 # 10156: ignoring option '-export'; no argument required
2720 check_ldflags -wd10156,11030
2721 # Allow to compile with optimizations
2722 check_ldflags -march=$cpu
be2cf98a
CEH
2723 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2724 enable ebp_available
df442a8d
MR
2725elif enabled ccc; then
2726 # disable some annoying warnings
2727 add_cflags -msg_disable cvtu32to64
2728 add_cflags -msg_disable embedcomment
2729 add_cflags -msg_disable needconstext
2730 add_cflags -msg_disable nomainieee
2731 add_cflags -msg_disable ptrmismatch1
2732 add_cflags -msg_disable unreachcode
973859f5
MR
2733elif enabled gcc; then
2734 check_cflags -fno-tree-vectorize
62df111c 2735 check_cflags -Werror=implicit
de63bfec 2736 check_cflags -Werror=missing-prototypes
06da6943
DC
2737elif enabled clang; then
2738 check_cflags -Qunused-arguments
138132be
MR
2739elif enabled armcc; then
2740 # 2523: use of inline assembler is deprecated
2741 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2742 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2743elif enabled tms470; then
2744 add_cflags -pds=824 -pds=837
504a64b9
CEH
2745fi
2746
90be59ef 2747if enabled gprof; then
0f010b2f
DB
2748 add_cflags -p
2749 add_ldflags -p
1db54e20
DB
2750fi
2751
7483e694
DB
2752enabled_any $THREADS_LIST && enable threads
2753
2754check_deps $CONFIG_LIST \
b6bb00b0 2755 $CONFIG_EXTRA \
7483e694
DB
2756 $HAVE_LIST \
2757 $DECODER_LIST \
2758 $ENCODER_LIST \
5666fd73 2759 $HWACCEL_LIST \
7483e694
DB
2760 $PARSER_LIST \
2761 $BSF_LIST \
2762 $DEMUXER_LIST \
2763 $MUXER_LIST \
f7679c54 2764 $FILTER_LIST \
7483e694
DB
2765 $INDEV_LIST \
2766 $OUTDEV_LIST \
2767 $PROTOCOL_LIST \
f70f03f6 2768
3bfd582c 2769enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 2770
3e89171a 2771echo "install prefix $prefix"
f36958f8
DB
2772echo "source path $source_path"
2773echo "C compiler $cc"
f36958f8 2774echo "ARCH $arch ($cpu)"
ce8871c2
MR
2775if test "$build_suffix" != ""; then
2776 echo "build suffix $build_suffix"
eb94aca9 2777fi
ac63af34
DB
2778if test "$extra_version" != ""; then
2779 echo "version string suffix $extra_version"
2780fi
0db2ce77 2781echo "big-endian ${bigendian-no}"
e90f5b5a 2782echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2783if enabled x86; then
af44e8e4 2784 echo "yasm ${yasm-no}"
0db2ce77 2785 echo "MMX enabled ${mmx-no}"
30e98e62 2786 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2787 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2788 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2789 echo "SSE enabled ${sse-no}"
30e98e62 2790 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2791 echo "CMOV enabled ${cmov-no}"
2792 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2793 echo "EBX available ${ebx_available-no}"
2794 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2795 echo "10 operands supported ${ten_operands-no}"
e41e8342 2796fi
5b6c2cbd 2797if enabled arm; then
0db2ce77
MR
2798 echo "ARMv5TE enabled ${armv5te-no}"
2799 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2800 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2801 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2802 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2803 echo "NEON enabled ${neon-no}"
eba9ae3c 2804fi
5b6c2cbd 2805if enabled mips; then
0db2ce77 2806 echo "MMI enabled ${mmi-no}"
e41e8342 2807fi
5b6c2cbd 2808if enabled ppc; then
0db2ce77 2809 echo "AltiVec enabled ${altivec-no}"
30e98e62 2810 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2811 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2812 echo "performance report ${powerpc_perf-no}"
2813fi
2814if enabled sparc; then
2815 echo "VIS enabled ${vis-no}"
e41e8342 2816fi
0db2ce77
MR
2817echo "gprof enabled ${gprof-no}"
2818echo "debug symbols ${debug-no}"
87a0fb62 2819echo "strip symbols ${stripping-no}"
8400d6b8 2820echo "optimizations ${optimizations-no}"
0db2ce77
MR
2821echo "static ${static-no}"
2822echo "shared ${shared-no}"
4a24ab64 2823echo "postprocessing support ${postproc-no}"
f7679c54 2824echo "new filter support ${avfilter-no}"
81124ba0 2825echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2826echo "network support ${network-no}"
0db2ce77
MR
2827echo "threading support ${thread_type-no}"
2828echo "SDL support ${sdl-no}"
0db2ce77
MR
2829echo "Sun medialib support ${mlib-no}"
2830echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2831echo "libdc1394 support ${libdc1394-no}"
690bfceb 2832echo "libdirac enabled ${libdirac-no}"
0db2ce77 2833echo "libfaac enabled ${libfaac-no}"
0db2ce77
MR
2834echo "libgsm enabled ${libgsm-no}"
2835echo "libmp3lame enabled ${libmp3lame-no}"
2836echo "libnut enabled ${libnut-no}"
0b175caa
DB
2837echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2838echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2839echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2840echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2841echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2842echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2843echo "libtheora enabled ${libtheora-no}"
2844echo "libvorbis enabled ${libvorbis-no}"
8299a7f8 2845echo "libvpx enabled ${libvpx-no}"
d6bd62db
DB
2846echo "libx264 enabled ${libx264-no}"
2847echo "libxvid enabled ${libxvid-no}"
0db2ce77 2848echo "zlib enabled ${zlib-no}"
f402916e 2849echo "bzlib enabled ${bzlib-no}"
2c62e737 2850echo
de6d9b64 2851
5666fd73 2852for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2853 echo "Enabled ${type}s:"
f65c9da1 2854 eval list=\$$(toupper $type)_LIST
8138b9db 2855 for part in $list; do
f65c9da1
MR
2856 enabled $part && echo ${part%_*}
2857 done | sort | pr -3 -t
2858 echo
8138b9db
RP
2859done
2860
ba7a7039 2861license="LGPL version 2.1 or later"
ba321adb 2862if enabled nonfree; then
ba7a7039 2863 license="nonfree and unredistributable"
9cad0e4e
DB
2864elif enabled gplv3; then
2865 license="GPL version 3 or later"
2866elif enabled lgplv3; then
2867 license="LGPL version 3 or later"
ba321adb 2868elif enabled gpl; then
ba7a7039 2869 license="GPL version 2 or later"
ba321adb
JK
2870fi
2871
2872echo "License: $license"
ca5323af 2873
cf1392e9
DB
2874echo "Creating config.mak and config.h..."
2875
df642790
MR
2876# build tree in object directory if source path is different from current one
2877if enabled source_path_used; then
2878 DIRS="
2879 doc
2880 libavcodec
2881 libavcodec/$arch
2882 libavdevice
2883 libavfilter
2884 libavformat
2885 libavutil
2886 libavutil/$arch
2887 libpostproc
2888 libswscale
2889 libswscale/$arch
2890 tests
2891 tools
2892 "
2893 FILES="
2894 Makefile
2895 common.mak
2896 subdir.mak
2897 doc/texi2pod.pl
2898 libavcodec/Makefile
43f60eba 2899 libavcodec/${arch}/Makefile
df642790
MR
2900 libavdevice/Makefile
2901 libavfilter/Makefile
2902 libavformat/Makefile
2903 libavutil/Makefile
2904 libpostproc/Makefile
2905 libswscale/Makefile
2906 "
e0e335a0 2907 map 'mkdir -p $v' $DIRS;
43f60eba 2908 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2909fi
2910
ad212cc6
MR
2911enabled stripping || strip="echo skipping strip"
2912
173c983b
MR
2913cat > config.mak <<EOF
2914# Automatically generated by configure - do not modify!
2915ifndef FFMPEG_CONFIG_MAK
2916FFMPEG_CONFIG_MAK=1
2917FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2918prefix=$prefix
2919LIBDIR=\$(DESTDIR)$libdir
2920SHLIBDIR=\$(DESTDIR)$shlibdir
2921INCDIR=\$(DESTDIR)$incdir
2922BINDIR=\$(DESTDIR)$bindir
2923DATADIR=\$(DESTDIR)$datadir
2924MANDIR=\$(DESTDIR)$mandir
2925SRC_PATH="$source_path"
2926SRC_PATH_BARE=$source_path
2927BUILD_ROOT="$PWD"
2928ARCH=$arch
2929CC=$cc
2930AS=$as
2931LD=$ld
2932DEPCC=$dep_cc
2933YASM=$yasmexe
a4aea515 2934YASMDEP=$yasmexe
173c983b
MR
2935AR=$ar
2936RANLIB=$ranlib
4335125c 2937CP=cp -p
173c983b
MR
2938LN_S=$ln_s
2939STRIP=$strip
2940CPPFLAGS=$CPPFLAGS
2941CFLAGS=$CFLAGS
2942ASFLAGS=$ASFLAGS
2943CC_O=$CC_O
2944LDFLAGS=$LDFLAGS
2945FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2946SHFLAGS=$SHFLAGS
2947YASMFLAGS=$YASMFLAGS
2948BUILDSUF=$build_suffix
2949FULLNAME=$FULLNAME
2950LIBPREF=$LIBPREF
2951LIBSUF=$LIBSUF
2952LIBNAME=$LIBNAME
2953SLIBPREF=$SLIBPREF
2954SLIBSUF=$SLIBSUF
2955EXESUF=$EXESUF
2956EXTRA_VERSION=$extra_version
2957DEPFLAGS=$DEPFLAGS
2958CCDEP=$CCDEP
2959ASDEP=$ASDEP
2960CC_DEPFLAGS=$CC_DEPFLAGS
2961AS_DEPFLAGS=$AS_DEPFLAGS
2962HOSTCC=$host_cc
2963HOSTCFLAGS=$host_cflags
2964HOSTEXESUF=$HOSTEXESUF
2965HOSTLDFLAGS=$host_ldflags
2966HOSTLIBS=$host_libs
2967TARGET_EXEC=$target_exec
2968TARGET_PATH=$target_path
2969SDL_LIBS=$sdl_libs
2970SDL_CFLAGS=$sdl_cflags
2971LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2972EXTRALIBS=$extralibs
fd676deb 2973INSTALL=install
1afc4750
MR
2974LIBTARGET=${LIBTARGET}
2975SLIBNAME=${SLIBNAME}
2976SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2977SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2978SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2979SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2980SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2981SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 2982SAMPLES=$samples
173c983b 2983EOF
5a872801 2984
719c8e00
MR
2985get_version(){
2986 name=$1
2987 file=$source_path/$2
147e7692
MR
2988 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2989 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2990 lcname=$(tolower $name)
2991 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2992 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2993}
2994
147e7692
MR
2995get_version LIBSWSCALE libswscale/swscale.h
2996get_version LIBPOSTPROC libpostproc/postprocess.h
2997get_version LIBAVCODEC libavcodec/avcodec.h
2998get_version LIBAVDEVICE libavdevice/avdevice.h
2999get_version LIBAVFORMAT libavformat/avformat.h
3000get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3001get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3002
173c983b
MR
3003cat > $TMPH <<EOF
3004/* Automatically generated by configure - do not modify! */
3005#ifndef FFMPEG_CONFIG_H
3006#define FFMPEG_CONFIG_H
3007#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3008#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3009#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3010#define CC_TYPE "$cc_type"
3011#define CC_VERSION $cc_version
3012#define restrict $_restrict
42719e20 3013#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
173c983b
MR
3014#define EXTERN_PREFIX "${extern_prefix}"
3015#define EXTERN_ASM ${extern_prefix}
3016EOF
523ef551 3017
4ae40685
MR
3018test -n "$malloc_prefix" &&
3019 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3020
523ef551 3021if enabled small || disabled optimizations; then
9a894c48 3022 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3023 echo "#define av_always_inline" >> $TMPH
3024fi
3025
3d907e22
MR
3026print_config ARCH_ $TMPH config.mak $ARCH_LIST
3027print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3028print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3029 $CONFIG_EXTRA \
7483e694
DB
3030 $DECODER_LIST \
3031 $ENCODER_LIST \
5666fd73 3032 $HWACCEL_LIST \
7483e694
DB
3033 $PARSER_LIST \
3034 $BSF_LIST \
3035 $DEMUXER_LIST \
3036 $MUXER_LIST \
f7679c54 3037 $FILTER_LIST \
7483e694
DB
3038 $PROTOCOL_LIST \
3039 $INDEV_LIST \
3040 $OUTDEV_LIST \
8ac17293 3041
9c05103f 3042echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3043echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3044
b7860763 3045# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3046cp_if_changed $TMPH config.h
3d204385 3047
a3e02a8c
MR
3048cat > $TMPH <<EOF
3049/* Generated by ffconf */
3050#ifndef AVUTIL_AVCONFIG_H
3051#define AVUTIL_AVCONFIG_H
3052EOF
3053
3054print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3055
3056echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3057
3058cp_if_changed $TMPH libavutil/avconfig.h
3059
7bfc8ae6
MR
3060test -n "$WARNINGS" && printf "\n$WARNINGS"
3061
d0674868 3062# build pkg-config files
def4272a 3063
d0674868
DB
3064pkgconfig_generate(){
3065name=$1
b0dfd108 3066shortname=${name#lib}${build_suffix}
d0674868
DB
3067comment=$2
3068version=$3
3069libs=$4
3070requires=$5
25cd5cb3 3071cat <<EOF > $name/$name.pc
3e89171a 3072prefix=$prefix
a94e666c 3073exec_prefix=\${prefix}
f2b7382c 3074libdir=$libdir
7622778e 3075includedir=$incdir
def4272a 3076
d0674868
DB
3077Name: $name
3078Description: $comment
3079Version: $version
8cd6b388 3080Requires: $(enabled shared || echo $requires)
5dcfe9f8 3081Requires.private: $(enabled shared && echo $requires)
def4272a 3082Conflicts:
8cd6b388 3083Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3084Libs.private: $(enabled shared && echo $libs)
76a448ed 3085Cflags: -I\${includedir}
def4272a 3086EOF
25cd5cb3 3087cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3088prefix=
3089exec_prefix=
46d1ff83 3090libdir=\${pcfiledir}
1d44d365 3091includedir=${source_path}
def4272a 3092
d0674868
DB
3093Name: $name
3094Description: $comment
3095Version: $version
3096Requires: $requires
def4272a 3097Conflicts:
12701f6e 3098Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3099Cflags: -I\${includedir}
3100EOF
d0674868 3101}
def4272a 3102
e426941d 3103pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3104pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3105pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3106pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3107enabled avfilter &&
46983309 3108 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3109enabled postproc &&
e426941d 3110 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3111pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"