regtest: put rgb and yuv reference files in correct place
[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 [$arch]
212 --cpu=CPU select the minimum required CPU (affects
213 instruction selection, may crash on older CPUs)
c8a4ae00 214 --disable-asm disable all assembler optimizations
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215 --disable-altivec disable AltiVec optimizations
216 --disable-amd3dnow disable 3DNow! optimizations
217 --disable-amd3dnowext disable 3DNow! extended optimizations
218 --disable-mmx disable MMX optimizations
219 --disable-mmx2 disable MMX2 optimizations
220 --disable-sse disable SSE optimizations
221 --disable-ssse3 disable SSSE3 optimizations
222 --disable-armv5te disable armv5te optimizations
223 --disable-armv6 disable armv6 optimizations
224 --disable-armv6t2 disable armv6t2 optimizations
225 --disable-armvfp disable ARM VFP optimizations
226 --disable-iwmmxt disable iwmmxt optimizations
227 --disable-mmi disable MMI optimizations
228 --disable-neon disable neon optimizations
229 --disable-vis disable VIS optimizations
230 --disable-yasm disable use of yasm assembler
231 --enable-pic build position-independent code
4ae40685 232 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 233 --enable-sram allow use of on-chip SRAM
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234
235Developer options (useful when working on FFmpeg itself):
236 --disable-debug disable debugging symbols
237 --enable-debug=LEVEL set the debug level [$debuglevel]
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238 --disable-optimizations disable compiler optimizations
239 --enable-extra-warnings enable more compiler warnings
240 --disable-stripping disable stripping of executables and shared libraries
2fad0977 241 --samples=PATH location of test samples for FATE
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242
243NOTE: Object files are built at the place where configure is launched.
244EOF
60e8bc13 245 exit 0
74c53c2d 246}
cf9d24ad 247
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248quotes='""'
249
57bd82d4 250log(){
2270b4b2 251 echo "$@" >> $logfile
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252}
253
720c69da 254log_file(){
c8e9f801 255 log BEGIN $1
2270b4b2 256 pr -n -t $1 >> $logfile
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257 log END $1
258}
259
2ba042a7 260echolog(){
c8e9f801 261 log "$@"
57bd82d4 262 echo "$@"
2ba042a7
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263}
264
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265warn(){
266 log "WARNING: $*"
267 WARNINGS="${WARNINGS}WARNING: $*\n"
268}
269
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270die(){
271 echolog "$@"
272 cat <<EOF
d326cf7f 273
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274If you think configure made a mistake, make sure you are using the latest
275version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 276ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 277EOF
e155a21a 278 if disabled logging; then
2ba042a7 279 cat <<EOF
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280Rerun configure with logging enabled (do not use --disable-logging), and
281include the log this produces with your report.
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282EOF
283 else
284cat <<EOF
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285Include the log file "$logfile" produced by configure as this will help
286solving the problem.
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287EOF
288 fi
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289 exit 1
290}
291
6c6007d6 292# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 293toupper(){
6c6007d6 294 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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295}
296
4a5444db 297tolower(){
6c6007d6 298 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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299}
300
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301c_escape(){
302 echo "$*" | sed 's/["\\]/\\\0/g'
303}
304
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305sh_quote(){
306 v=$(echo "$1" | sed "s/'/'\\\\''/g")
307 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
308 echo "$v"
309}
310
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311filter(){
312 pat=$1
313 shift
314 for v; do
98ef6079 315 eval "case $v in $pat) echo $v ;; esac"
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316 done
317}
318
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319map(){
320 m=$1
321 shift
e0e335a0 322 for v; do eval $m; done
36e2dea0
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323}
324
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325set_all(){
326 value=$1
327 shift
328 for var in $*; do
329 eval $var=$value
330 done
331}
332
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333set_weak(){
334 value=$1
335 shift
336 for var; do
337 eval : \${$var:=$value}
338 done
339}
340
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341pushvar(){
342 for var in $*; do
343 eval level=\${${var}_level:=0}
344 eval ${var}_${level}="\$$var"
345 eval ${var}_level=$(($level+1))
346 done
347}
348
349popvar(){
350 for var in $*; do
351 eval level=\${${var}_level:-0}
352 test $level = 0 && continue
353 eval level=$(($level-1))
354 eval $var="\${${var}_${level}}"
355 eval ${var}_level=$level
356 eval unset ${var}_${level}
357 done
358}
359
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360enable(){
361 set_all yes $*
362}
363
364disable(){
365 set_all no $*
366}
367
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368enable_weak(){
369 set_weak yes $*
370}
371
372disable_weak(){
373 set_weak no $*
374}
375
72702705 376enable_safe(){
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377 for var; do
378 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
379 done
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380}
381
382disable_safe(){
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383 for var; do
384 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
385 done
72702705
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386}
387
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388do_enable_deep(){
389 for var; do
390 enabled $var && continue
391 eval sel="\$${var}_select"
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392 eval sgs="\$${var}_suggest"
393 pushvar var sgs
f9d328da 394 enable_deep $sel
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395 popvar sgs
396 enable_deep_weak $sgs
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397 popvar var
398 done
399}
400
401enable_deep(){
402 do_enable_deep $*
403 enable $*
404}
405
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406enable_deep_weak(){
407 do_enable_deep $*
408 enable_weak $*
409}
410
57bd82d4 411enabled(){
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412 test "${1#!}" = "$1" && op== || op=!=
413 eval test "x\$${1#!}" $op "xyes"
44161118
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414}
415
37970ebf 416disabled(){
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MR
417 test "${1#!}" = "$1" && op== || op=!=
418 eval test "x\$${1#!}" $op "xno"
37970ebf
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419}
420
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421enabled_all(){
422 for opt; do
423 enabled $opt || return 1
424 done
425}
426
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427disabled_all(){
428 for opt; do
429 disabled $opt || return 1
430 done
431}
432
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433enabled_any(){
434 for opt; do
435 enabled $opt && return 0
436 done
437}
438
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439disabled_any(){
440 for opt; do
441 disabled $opt && return 0
442 done
f7b230a7 443 return 1
85bca2c5
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444}
445
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446set_default(){
447 for opt; do
88268e94 448 eval : \${$opt:=\$${opt}_default}
c9d19248
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449 done
450}
451
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452is_in(){
453 value=$1
454 shift
455 for var in $*; do
456 [ $var = $value ] && return 0
457 done
458 return 1
459}
460
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461check_deps(){
462 for cfg; do
3250003c 463 cfg="${cfg#!}"
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464 enabled ${cfg}_checking && die "Circular dependency for $cfg."
465 disabled ${cfg}_checking && continue
466 enable ${cfg}_checking
467
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468 eval dep_all="\$${cfg}_deps"
469 eval dep_any="\$${cfg}_deps_any"
7ef3425f 470 eval dep_sel="\$${cfg}_select"
c510c7b5 471 eval dep_sgs="\$${cfg}_suggest"
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472 eval dep_ifa="\$${cfg}_if"
473 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 474
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475 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
476 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
477 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 478
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479 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
480 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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481 enabled_all $dep_all || disable $cfg
482 enabled_any $dep_any || disable $cfg
7ef3425f 483 disabled_any $dep_sel && disable $cfg
799c9e9b 484
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485 if enabled $cfg; then
486 eval dep_extralibs="\$${cfg}_extralibs"
487 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 488 enable_deep $dep_sel
c510c7b5 489 enable_deep_weak $dep_sgs
4ec45764
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490 fi
491
799c9e9b 492 disable ${cfg}_checking
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493 done
494}
495
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496print_config(){
497 pfx=$1
498 header=$2
499 makefile=$3
500 shift 3
501 for cfg; do
5e622c40 502 ucname="$(toupper $cfg)"
44161118 503 if enabled $cfg; then
3d907e22 504 echo "#define ${pfx}${ucname} 1" >> $header
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505 echo "${pfx}${ucname}=yes" >> $makefile
506 else
b250f9c6 507 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 508 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
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509 fi
510 done
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511}
512
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513append(){
514 var=$1
515 shift
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516 eval "$var=\"\$$var $*\""
517}
518
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519prepend(){
520 var=$1
521 shift
522 eval "$var=\"$* \$$var\""
523}
524
50a334e4 525add_cppflags(){
caf458dd 526 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
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527}
528
57bd82d4 529add_cflags(){
caf458dd 530 append CFLAGS $($filter_cflags "$@")
57bd82d4
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531}
532
2f2e6c7c 533add_asflags(){
caf458dd 534 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
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535}
536
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537add_ldflags(){
538 append LDFLAGS "$@"
539}
540
541add_extralibs(){
60361817 542 prepend extralibs "$@"
57bd82d4
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543}
544
b0cfb663 545check_cmd(){
b3cb5d51 546 log "$@"
2270b4b2 547 "$@" >> $logfile 2>&1
b0cfb663
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548}
549
dcd479c0 550check_cc(){
57bd82d4 551 log check_cc "$@"
2270b4b2 552 cat > $TMPC
720c69da 553 log_file $TMPC
50a334e4 554 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
555}
556
557check_cpp(){
558 log check_cpp "$@"
2270b4b2 559 cat > $TMPC
720c69da 560 log_file $TMPC
9e7f3277 561 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
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562}
563
f65883c8
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564check_as(){
565 log check_as "$@"
566 cat > $TMPC
567 log_file $TMPC
2f2e6c7c 568 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
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569}
570
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571check_asm(){
572 log check_asm "$@"
573 name="$1"
3784e82e 574 code="$2"
940f335a 575 shift 2
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576 disable $name
577 check_as "$@" <<EOF && enable $name
3784e82e 578void foo(void){ __asm__ volatile($code); }
940f335a
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579EOF
580}
581
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582check_yasm(){
583 log check_yasm "$@"
584 echo "$1" > $TMPS
585 log_file $TMPS
586 shift 1
587 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
588}
589
dcd479c0 590check_ld(){
57bd82d4 591 log check_ld "$@"
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592 flags=''
593 libs=''
594 for f; do
595 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
596 done
2a194acd 597 check_cc $($filter_cflags $flags) || return
684b28e0 598 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
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599}
600
50a334e4
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601check_cppflags(){
602 log check_cppflags "$@"
caf458dd
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603 set -- $($filter_cppflags "$@")
604 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
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605int x;
606EOF
607}
608
dcd479c0 609check_cflags(){
57bd82d4 610 log check_cflags "$@"
caf458dd
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611 set -- $($filter_cflags "$@")
612 check_cc "$@" <<EOF && append CFLAGS "$@"
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613int x;
614EOF
615}
616
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617test_ldflags(){
618 log test_ldflags "$@"
619 check_ld "$@" <<EOF
c23a0ac8 620int main(void){ return 0; }
dcd479c0
MR
621EOF
622}
623
2ed46eea
MR
624check_ldflags(){
625 log check_ldflags "$@"
626 test_ldflags "$@" && add_ldflags "$@"
627}
628
dcd479c0 629check_header(){
57bd82d4 630 log check_header "$@"
dcd479c0
MR
631 header=$1
632 shift
b77df637
MR
633 disable_safe $header
634 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
635#include <$header>
636int x;
637EOF
638}
639
640check_func(){
57bd82d4 641 log check_func "$@"
dcd479c0
MR
642 func=$1
643 shift
d8bc5f06
MR
644 disable $func
645 check_ld "$@" <<EOF && enable $func
dcd479c0 646extern int $func();
c23a0ac8 647int main(void){ $func(); }
dcd479c0
MR
648EOF
649}
650
645d2652 651check_mathfunc(){
6b73c0ae 652 log check_mathfunc "$@"
645d2652
MR
653 func=$1
654 shift
655 disable $func
656 check_ld "$@" <<EOF && enable $func
657#include <math.h>
33bd38db
MR
658float foo(float f) { return $func(f); }
659int main(void){ return 0; }
645d2652
MR
660EOF
661}
662
2446d3d6
DB
663check_func_headers(){
664 log check_func_headers "$@"
f8d7b072
MR
665 headers=$1
666 func=$2
667 shift 2
668 disable $func
669 incs=""
670 for hdr in $headers; do
671 incs="$incs
672#include <$hdr>"
673 done
cd0d9a9d 674 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 675$incs
d6773f56 676int main(int argc, char **argv){
2b2c2a81 677 return (long) $func;
f8d7b072
MR
678}
679EOF
680}
681
a5344cf7
SS
682check_cpp_condition(){
683 log check_cpp_condition "$@"
684 header=$1
685 condition=$2
f855b7b9
MR
686 shift 2
687 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
688#include <$header>
689#if !($condition)
690#error "unsatisfied condition: $condition"
691#endif
692EOF
693}
694
57bd82d4
MR
695check_lib(){
696 log check_lib "$@"
697 header="$1"
698 func="$2"
699 shift 2
84400e9d 700 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
701}
702
f8d7b072
MR
703check_lib2(){
704 log check_lib2 "$@"
705 headers="$1"
706 func="$2"
707 shift 2
300cde27 708 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
709}
710
dcd479c0 711check_exec(){
2270b4b2 712 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
713}
714
7dfef245 715check_exec_crash(){
5e622c40 716 code=$(cat)
7dfef245
MR
717
718 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
719 # are safe but may not be available everywhere. Thus we use
720 # raise(SIGTERM) instead. The check is run in a subshell so we
721 # can redirect the "Terminated" message from the shell. SIGBUS
722 # is not defined by standard C so it is used conditionally.
723
2270b4b2 724 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
725#include <signal.h>
726static void sighandler(int sig){
727 raise(SIGTERM);
728}
e5af4a11 729int main(void){
7dfef245
MR
730 signal(SIGILL, sighandler);
731 signal(SIGFPE, sighandler);
732 signal(SIGSEGV, sighandler);
733#ifdef SIGBUS
734 signal(SIGBUS, sighandler);
735#endif
736 { $code }
737}
738EOF
739}
740
72be9e73
DY
741check_type(){
742 log check_type "$@"
743 headers=$1
744 type=$2
745 shift 2
ae550ce9 746 disable_safe "$type"
72be9e73
DY
747 incs=""
748 for hdr in $headers; do
749 incs="$incs
750#include <$hdr>"
751 done
ae550ce9 752 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
753$incs
754$type v;
755EOF
756}
757
14d36751
MR
758check_struct(){
759 log check_type "$@"
760 headers=$1
761 struct=$2
762 member=$3
763 shift 3
764 disable_safe "${struct}_${member}"
765 incs=""
766 for hdr in $headers; do
767 incs="$incs
768#include <$hdr>"
769 done
770 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
771$incs
772const void *p = &(($struct *)0)->$member;
773EOF
774}
775
57bd82d4
MR
776require(){
777 name="$1"
778 header="$2"
779 func="$3"
780 shift 3
781 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
782}
783
f8d7b072
MR
784require2(){
785 name="$1"
786 headers="$2"
787 func="$3"
788 shift 3
789 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
790}
791
f0125de9
MR
792check_host_cc(){
793 log check_host_cc "$@"
794 cat > $TMPC
795 log_file $TMPC
796 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
797}
798
799check_host_cflags(){
800 log check_host_cflags "$@"
801 check_host_cc "$@" <<EOF && append host_cflags "$@"
802int x;
803EOF
804}
805
c505dd31
MR
806apply(){
807 file=$1
808 shift
809 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
810}
811
c34681df
MR
812cp_if_changed(){
813 cmp -s "$1" "$2" &&
814 echo "$2 is unchanged" ||
815 cp -f "$1" "$2"
816}
817
dcd61286
DB
818# CONFIG_LIST contains configurable options, while HAVE_LIST is for
819# system-dependent things.
820
4a0d6686
AJ
821COMPONENT_LIST="
822 bsfs
823 decoders
824 demuxers
825 encoders
3cde40aa 826 filters
5666fd73 827 hwaccels
c552605c 828 indevs
4a0d6686 829 muxers
c552605c 830 outdevs
4a0d6686
AJ
831 parsers
832 protocols
833"
834
835CONFIG_LIST="
836 $COMPONENT_LIST
e8ed9b7a 837 aandct
5a0f7131
MR
838 avcodec
839 avdevice
f7679c54
VS
840 avfilter
841 avfilter_lavf
5a0f7131 842 avformat
c88f5d72 843 avisynth
f402916e 844 bzlib
7f3f5f46 845 dct
c73f65d9 846 doc
05aec7bb 847 dwt
92c6a099 848 dxva2
27a9466b 849 fastdiv
c88f5d72
MR
850 ffmpeg
851 ffplay
336ce917 852 ffprobe
c88f5d72 853 ffserver
1848f7d9 854 fft
4f034993 855 golomb
c88f5d72 856 gpl
d8d0d0b2 857 gray
4693b031 858 h264dsp
3abe5fbd 859 hardcoded_tables
f7b8bffe 860 libdc1394
690bfceb 861 libdirac
2eed5a46 862 libfaac
c88f5d72 863 libgsm
6ebe07fb 864 libmp3lame
c88f5d72 865 libnut
0b175caa
DB
866 libopencore_amrnb
867 libopencore_amrwb
9a77d59a 868 libopenjpeg
0f943ce6 869 librtmp
f7cd9eed 870 libschroedinger
ae14f311 871 libspeex
150d2772 872 libtheora
c88f5d72 873 libvorbis
8299a7f8 874 libvpx
1cc60c47
DB
875 libx264
876 libxvid
f4d608e3 877 lpc
b781cc12 878 lsp
47a158cb 879 mdct
c88f5d72 880 memalign_hack
a8150374 881 mlib
c88f5d72
MR
882 mpegaudio_hp
883 network
3fe142e2 884 nonfree
8a3c8627 885 pic
4a24ab64 886 postproc
68602540 887 rdft
e90f5b5a 888 runtime_cpudetect
2e35e684 889 shared
bd2216e4 890 small
6b35d421 891 sram
2e35e684 892 static
5a0f7131 893 swscale
a9ddb5b1 894 swscale_alpha
17492d5e
DB
895 vaapi
896 vdpau
9cad0e4e 897 version3
56a059ac 898 x11grab
c88f5d72 899 zlib
4a0d6686 900"
c88f5d72 901
8eee7025 902THREADS_LIST='
8eee7025
DB
903 pthreads
904 w32threads
905'
906
3f5b56e5
MR
907ARCH_LIST='
908 alpha
a2fc0f6a 909 arm
fdcd782d
MR
910 avr32
911 avr32_ap
912 avr32_uc
3f5b56e5
MR
913 bfin
914 ia64
915 m68k
916 mips
bae3abb0 917 mips64
3f5b56e5 918 parisc
79cb09b2 919 ppc
34d11b87 920 ppc64
3f5b56e5
MR
921 s390
922 sh4
923 sparc
924 sparc64
0844bae1 925 tomi
3f5b56e5
MR
926 x86
927 x86_32
928 x86_64
929'
930
931ARCH_EXT_LIST='
1ac9331a 932 altivec
3bf96eec 933 amd3dnow
a1ef9f08 934 amd3dnowext
1ac9331a 935 armv5te
edab3048 936 armv6
ab5cb084 937 armv6t2
f55b299a 938 armvfp
3f5b56e5
MR
939 iwmmxt
940 mmi
941 mmx
d7f0920b 942 mmx2
6b18d278 943 neon
799fde37 944 ppc4xx
1bb04d5a 945 sse
9eeed841 946 ssse3
bd9d34a0 947 vis
3f5b56e5
MR
948'
949
a3e02a8c
MR
950HAVE_LIST_PUB='
951 bigendian
952'
953
3f5b56e5
MR
954HAVE_LIST="
955 $ARCH_EXT_LIST
a3e02a8c 956 $HAVE_LIST_PUB
3f5b56e5 957 $THREADS_LIST
35fd8122 958 alsa_asoundlib_h
3f5b56e5 959 altivec_h
c9fdab0d 960 arpa_inet_h
dffb41b9 961 attribute_may_alias
e7ea5e3d 962 attribute_packed
6bd859d6 963 bswap
ecf97f22 964 closesocket
1ac9331a 965 cmov
e16e49ac 966 conio_h
c88f5d72 967 dcbzl
f8aa696f
DB
968 dev_bktr_ioctl_bt848_h
969 dev_bktr_ioctl_meteor_h
970 dev_ic_bt8xx_h
971 dev_video_meteor_ioctl_meteor_h
972 dev_video_bktr_ioctl_bt848_h
18b67ae5 973 dlfcn_h
c88f5d72 974 dlopen
bc574408 975 dos_paths
245626d0
DB
976 ebp_available
977 ebx_available
6b7c7703
VS
978 exp2
979 exp2f
c2a29455 980 fast_64bit
669b5583 981 fast_clz
7073e9fc 982 fast_cmov
7b829d2a 983 fast_unaligned
534a2231 984 fcntl
9d99cc5a 985 fork
84882df6 986 getaddrinfo
da9e86f8 987 gethrtime
fc5607f8 988 GetProcessMemoryInfo
4e68cb8a 989 GetProcessTimes
66be5b45 990 getrusage
a49d3025 991 gnu_as
fc5607f8 992 struct_rusage_ru_maxrss
2f0c136e 993 ibm_asm
2e1913b1 994 inet_aton
61d251db 995 inline_asm
abfc8d05 996 isatty
9f5ff83f 997 ldbrx
0b4a1821
AS
998 libdc1394_1
999 libdc1394_2
a33cab3a 1000 llrint
07876e25 1001 llrintf
d96cd429
MR
1002 local_aligned_16
1003 local_aligned_8
291fd18a 1004 log2
6b7c7703 1005 log2f
85dd97ad 1006 loongson
a33cab3a 1007 lrint
c88f5d72 1008 lrintf
e4673692 1009 lzo1x_999_compress
f8aa696f
DB
1010 machine_ioctl_bt848_h
1011 machine_ioctl_meteor_h
c88f5d72
MR
1012 malloc_h
1013 memalign
6ffa87d3 1014 mkstemp
b4e806b2 1015 pld
1f91cdce 1016 posix_memalign
a33cab3a
MK
1017 round
1018 roundf
c88f5d72
MR
1019 sdl
1020 sdl_video_size
b507ebd1 1021 setmode
72be9e73 1022 socklen_t
deb29777 1023 soundcard_h
f8cda19e 1024 poll_h
0104b608 1025 setrlimit
87958234 1026 strerror_r
c0018613 1027 struct_addrinfo
b4d68544
MS
1028 struct_ipv6_mreq
1029 struct_sockaddr_in6
3b2372bf 1030 struct_sockaddr_sa_len
33a4dbdd 1031 struct_sockaddr_storage
b462d132
MR
1032 symver
1033 symver_gnu_asm
1034 symver_asm_label
b58412f1 1035 sys_mman_h
b091aa44 1036 sys_resource_h
81644c2e 1037 sys_select_h
deb29777 1038 sys_soundcard_h
1b6e8b73 1039 sys_videoio_h
d3a4b4e0 1040 ten_operands
e16e49ac 1041 termios_h
b265431e 1042 threads
7b04b8a0 1043 truncf
ce742de2 1044 vfp_args
7c5bfe7a 1045 VirtualAlloc
6ff3f3e7 1046 winsock2_h
cc078b5d 1047 xform_asm
304d586d 1048 yasm
0cb78cef 1049"
44161118 1050
b6bb00b0
MR
1051# options emitted with CONFIG_ prefix but not available on command line
1052CONFIG_EXTRA="
dc4f5a1c 1053 avutil
9cad0e4e
DB
1054 gplv3
1055 lgplv3
b6bb00b0
MR
1056"
1057
520cc7f1 1058CMDLINE_SELECT="
3f5b56e5 1059 $ARCH_EXT_LIST
520cc7f1 1060 $CONFIG_LIST
8eee7025 1061 $THREADS_LIST
c8a4ae00 1062 asm
db6107b6 1063 cross_compile
520cc7f1
MR
1064 debug
1065 extra_warnings
8c6afa4d 1066 logging
d2bbb2f7 1067 optimizations
87a0fb62 1068 stripping
7595a5e4 1069 yasm
520cc7f1 1070"
426be5dc
DB
1071
1072PATHS_LIST='
d156bede 1073 bindir
14a8acf1 1074 datadir
26759c44
MR
1075 incdir
1076 libdir
26759c44
MR
1077 mandir
1078 prefix
1079 shlibdir
426be5dc
DB
1080'
1081
1082CMDLINE_SET="
1083 $PATHS_LIST
121d78d0 1084 ar
426be5dc 1085 arch
313c46a6 1086 as
426be5dc
DB
1087 build_suffix
1088 cc
1089 cpu
1090 cross_prefix
50567afa 1091 dep_cc
ac63af34 1092 extra_version
9da6609f
MR
1093 host_cc
1094 host_cflags
1095 host_ldflags
1096 host_libs
82bb3329 1097 host_os
684b28e0 1098 ld
426be5dc 1099 logfile
4ae40685 1100 malloc_prefix
89641463 1101 nm
2fad0977 1102 samples
26759c44 1103 source_path
4f837398 1104 strip
c5200f17
MR
1105 sysinclude
1106 sysroot
a7ada2ba 1107 target_exec
26759c44 1108 target_os
a7ada2ba 1109 target_path
426be5dc 1110"
520cc7f1 1111
89f2932b
MR
1112CMDLINE_APPEND="
1113 extra_cflags
1114"
1115
912f3148
DB
1116# code dependency declarations
1117
9eeed841 1118# architecture extensions
808fa33c 1119
a2fc0f6a
MR
1120armv5te_deps="arm"
1121armv6_deps="arm"
ab5cb084 1122armv6t2_deps="arm"
a2fc0f6a
MR
1123armvfp_deps="arm"
1124iwmmxt_deps="arm"
808fa33c
MR
1125neon_deps="arm"
1126
e241ba14 1127mmi_deps="mips"
808fa33c
MR
1128
1129altivec_deps="ppc"
1130ppc4xx_deps="ppc"
1131
1132vis_deps="sparc"
1133
7f8c3d1f 1134x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1135amd3dnow_deps="mmx"
1136amd3dnowext_deps="amd3dnow"
9eeed841 1137mmx_deps="x86"
75aa95a6 1138mmx2_deps="mmx"
75aa95a6
DB
1139sse_deps="mmx"
1140ssse3_deps="sse"
9eeed841 1141
e939cedd 1142fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1143fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1144fast_unaligned_if_any="armv6 ppc x86"
669b5583 1145
89e053f8 1146need_memalign="altivec neon sse"
6fec122a 1147inline_asm_deps="!tms470"
89e053f8 1148
b462d132
MR
1149symver_if_any="symver_asm_label symver_gnu_asm"
1150
26fbcc85
MR
1151# subsystems
1152mdct_select="fft"
1153rdft_select="fft"
1154
5666fd73 1155# decoders / encoders / hardware accelerators
49351479 1156aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1157aac_encoder_select="mdct"
1158ac3_decoder_select="mdct ac3_parser"
f4d608e3 1159alac_encoder_select="lpc"
b781cc12 1160amrnb_decoder_select="lsp"
084cbbaa 1161atrac1_decoder_select="mdct"
26fbcc85
MR
1162atrac3_decoder_select="mdct"
1163binkaudio_dct_decoder_select="mdct rdft dct"
1164binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1165cavs_decoder_select="golomb"
26fbcc85 1166cook_decoder_select="mdct"
2eef7c62 1167cscd_decoder_suggest="zlib"
26fbcc85 1168dca_decoder_select="mdct"
e8ed9b7a 1169dnxhd_encoder_select="aandct"
2eef7c62 1170dxa_decoder_select="zlib"
baf91bb9 1171eac3_decoder_select="ac3_decoder"
84c04e25 1172eamad_decoder_select="aandct"
e8ed9b7a 1173eatgq_decoder_select="aandct"
d52b39c7 1174eatqi_decoder_select="aandct"
4f034993
MR
1175ffv1_decoder_select="golomb"
1176flac_decoder_select="golomb"
f4d608e3 1177flac_encoder_select="golomb lpc"
2eef7c62
AJ
1178flashsv_decoder_select="zlib"
1179flashsv_encoder_select="zlib"
4414137e 1180flv_decoder_select="h263_decoder"
4d4b4bd1 1181flv_encoder_select="h263_encoder"
e8ed9b7a 1182h261_encoder_select="aandct"
7f647ae0 1183h263_decoder_select="h263_parser"
e8ed9b7a 1184h263_encoder_select="aandct"
95a61cfc 1185h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1186h263i_decoder_select="h263_decoder"
fe629c2d 1187h263p_encoder_select="h263_encoder"
4693b031 1188h264_decoder_select="golomb h264dsp"
92c6a099
LA
1189h264_dxva2_hwaccel_deps="dxva2api_h"
1190h264_dxva2_hwaccel_select="dxva2 h264_decoder"
17492d5e 1191h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1192h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1193imc_decoder_select="fft mdct"
4f034993
MR
1194jpegls_decoder_select="golomb"
1195jpegls_encoder_select="golomb"
e8ed9b7a 1196ljpeg_encoder_select="aandct"
4f034993 1197loco_decoder_select="golomb"
e8ed9b7a 1198mjpeg_encoder_select="aandct"
2cca233b 1199mlp_decoder_select="mlp_parser"
d9da8f10
AJ
1200mp1float_decoder_select="dct"
1201mp2float_decoder_select="dct"
1202mp3adufloat_decoder_select="dct"
1203mp3float_decoder_select="dct"
1204mp3on4float_decoder_select="dct"
e8ed9b7a
DB
1205mpeg1video_encoder_select="aandct"
1206mpeg2video_encoder_select="aandct"
4414137e 1207mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1208mpeg4_encoder_select="h263_encoder"
95a61cfc 1209mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1210mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
164aab02
LA
1211mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1212mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1213mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
95a61cfc 1214mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1215mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1216mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1217mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1218msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1219msmpeg4v1_encoder_select="h263_encoder"
4414137e 1220msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1221msmpeg4v2_encoder_select="h263_encoder"
4414137e 1222msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1223msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1224nellymoser_decoder_select="mdct"
1225nellymoser_encoder_select="mdct"
2eef7c62
AJ
1226png_decoder_select="zlib"
1227png_encoder_select="zlib"
b781cc12 1228qcelp_decoder_select="lsp"
26fbcc85 1229qdm2_decoder_select="mdct rdft"
31ed3f1f 1230ra_144_encoder_select="lpc"
a8beb22f 1231rv10_decoder_select="h263_decoder"
b2bf38b4 1232rv10_encoder_select="h263_encoder"
a8beb22f 1233rv20_decoder_select="h263_decoder"
b2bf38b4 1234rv20_encoder_select="h263_encoder"
4693b031
MR
1235rv30_decoder_select="golomb h264dsp"
1236rv40_decoder_select="golomb h264dsp"
4f034993 1237shorten_decoder_select="golomb"
b781cc12 1238sipr_decoder_select="lsp"
05aec7bb
MR
1239snow_decoder_select="dwt"
1240snow_encoder_select="aandct dwt"
4f034993
MR
1241sonic_decoder_select="golomb"
1242sonic_encoder_select="golomb"
1243sonic_ls_encoder_select="golomb"
19ecfb8a 1244svq1_encoder_select="aandct"
4693b031 1245svq3_decoder_select="golomb h264dsp"
bee2eac5 1246svq3_decoder_suggest="zlib"
4eef77c1 1247theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1248tiff_decoder_suggest="zlib"
1249tiff_encoder_suggest="zlib"
aec09a00 1250truehd_decoder_select="mlp_decoder"
2eef7c62 1251tscc_decoder_select="zlib"
b781cc12 1252twinvq_decoder_select="mdct lsp"
f95bfab0 1253vc1_decoder_select="h263_decoder"
9104cd51 1254vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1255vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1256vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1257vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1258vorbis_decoder_select="mdct"
1259vorbis_encoder_select="mdct"
e82dc4c9
DB
1260vp6a_decoder_select="vp6_decoder"
1261vp6f_decoder_select="vp6_decoder"
0912db02 1262vp8_decoder_select="h264dsp"
084cbbaa 1263wmapro_decoder_select="mdct"
26fbcc85
MR
1264wmav1_decoder_select="mdct"
1265wmav1_encoder_select="mdct"
1266wmav2_decoder_select="mdct"
1267wmav2_encoder_select="mdct"
df0a6d0d 1268wmavoice_decoder_select="lsp rdft dct mdct"
f95bfab0 1269wmv1_decoder_select="h263_decoder"
665507aa 1270wmv1_encoder_select="h263_encoder"
f95bfab0 1271wmv2_decoder_select="h263_decoder"
1746e2a9 1272wmv2_encoder_select="h263_encoder"
015f8ee0 1273wmv3_decoder_select="vc1_decoder"
f0f86627 1274wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1275wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1276wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1277zlib_decoder_select="zlib"
1278zlib_encoder_select="zlib"
1279zmbv_decoder_select="zlib"
1280zmbv_encoder_select="zlib"
30fd06be 1281
0afab17e 1282vaapi_deps="va_va_h"
c89c96e9
MR
1283vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1284
28b80940 1285# parsers
4693b031 1286h264_parser_select="golomb h264dsp"
28b80940 1287
f1e94694
DB
1288# bitstream_filters
1289aac_adtstoasc_bsf_select="aac_parser"
1290
912f3148 1291# external libraries
1b71f045 1292libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1293libdirac_encoder_deps="libdirac"
c9171a83 1294libfaac_encoder_deps="libfaac"
299c77d5
MR
1295libgsm_decoder_deps="libgsm"
1296libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1297libgsm_ms_decoder_deps="libgsm"
1298libgsm_ms_encoder_deps="libgsm"
1cc60c47 1299libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1300libopencore_amrnb_decoder_deps="libopencore_amrnb"
1301libopencore_amrnb_encoder_deps="libopencore_amrnb"
1302libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1303libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1304libschroedinger_decoder_deps="libschroedinger"
1305libschroedinger_encoder_deps="libschroedinger"
ae14f311 1306libspeex_decoder_deps="libspeex"
150d2772 1307libtheora_encoder_deps="libtheora"
b0caf888 1308libvorbis_encoder_deps="libvorbis"
8299a7f8 1309libvpx_decoder_deps="libvpx"
ee0e9146 1310libvpx_encoder_deps="libvpx"
1cc60c47
DB
1311libx264_encoder_deps="libx264"
1312libxvid_encoder_deps="libxvid"
30fd06be 1313
912f3148 1314# demuxers / muxers
03a76ba9 1315ac3_demuxer_deps="ac3_parser"
647c2356 1316asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1317avisynth_demuxer_deps="avisynth"
1318dirac_demuxer_deps="dirac_parser"
5b423887 1319eac3_demuxer_select="ac3_parser"
647c2356 1320ipod_muxer_select="mov_muxer"
4e622dea
SS
1321libnut_demuxer_deps="libnut"
1322libnut_muxer_deps="libnut"
647c2356 1323matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1324matroska_demuxer_suggest="zlib bzlib"
1325mov_demuxer_suggest="zlib"
1326mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1327mp4_muxer_select="mov_muxer"
1328mpegtsraw_demuxer_select="mpegts_demuxer"
1329mxf_d10_muxer_select="mxf_muxer"
24ca518b 1330ogg_demuxer_select="golomb"
647c2356 1331psp_muxer_select="mov_muxer"
4e622dea 1332rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1333rtsp_muxer_deps="sdp_demuxer"
1334rtsp_muxer_select="rtp_muxer"
4e622dea 1335sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1336sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1337spdif_muxer_select="aac_parser"
647c2356
DB
1338tg2_muxer_select="mov_muxer"
1339tgp_muxer_select="mov_muxer"
6bdaa5f4 1340w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1341
1342# indevs / outdevs
38e54a75
SS
1343alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1344alsa_indev_extralibs="-lasound"
1345alsa_outdev_deps="alsa_asoundlib_h"
1346alsa_outdev_extralibs="-lasound"
38e54a75 1347bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1348dv1394_indev_deps="dv1394 dv_demuxer"
1349jack_indev_deps="jack_jack_h"
1350jack_indev_extralibs="-ljack"
1351libdc1394_indev_deps="libdc1394"
38e54a75
SS
1352oss_indev_deps_any="soundcard_h sys_soundcard_h"
1353oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1354v4l_indev_deps="linux_videodev_h"
1355v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1356vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1357vfwcap_indev_extralibs="-lavicap32"
38e54a75 1358x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1359x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1360
912f3148 1361# protocols
3fff6382 1362gopher_protocol_deps="network"
c08fb000 1363http_protocol_deps="network"
279a0c97 1364http_protocol_select="tcp_protocol"
b4cf3f6c 1365mmst_protocol_deps="network"
deeb7012
MS
1366rtmp_protocol_select="tcp_protocol"
1367rtp_protocol_select="udp_protocol"
c08fb000
AB
1368tcp_protocol_deps="network"
1369udp_protocol_deps="network"
1370
f7679c54 1371# filters
81124ba0 1372movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1373avfilter_lavf_deps="avformat"
1374
1375# libraries
1376avdevice_deps="avcodec avformat"
1377avformat_deps="avcodec"
f7679c54 1378
912f3148 1379# programs
5a0f7131 1380ffmpeg_deps="avcodec avformat swscale"
21ae6790 1381ffmpeg_select="buffer_filter"
5a0f7131 1382ffplay_deps="avcodec avformat swscale sdl"
43689902 1383ffplay_select="rdft"
336ce917 1384ffprobe_deps="avcodec avformat"
5a0f7131 1385ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1386ffserver_extralibs='$ldl'
a2830dca 1387
c73f65d9 1388doc_deps="texi2html"
912f3148 1389
de6d9b64 1390# default parameters
8a608357 1391
19bd477d 1392logfile="config.log"
8a608357
MR
1393
1394# installation paths
c9d19248
MR
1395prefix_default="/usr/local"
1396bindir_default='${prefix}/bin'
14a8acf1 1397datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1398incdir_default='${prefix}/include'
1399libdir_default='${prefix}/lib'
1400mandir_default='${prefix}/share/man'
1401shlibdir_default="$libdir_default"
8a608357
MR
1402
1403# toolchain
121d78d0 1404ar_default="ar"
13c7df3d 1405cc_default="gcc"
a3d7c197 1406cc_version=\"unknown\"
9da6609f 1407host_cc_default="gcc"
11e6d03a 1408ln_s="ln -sf"
89641463 1409nm_default="nm"
11e6d03a 1410objformat="elf"
be7109c1 1411ranlib="ranlib"
4f837398 1412strip_default="strip"
11e6d03a 1413yasmexe="yasm"
301ab19d 1414nogas=":"
8a608357 1415
8182dc34
MR
1416nm_opts='-g'
1417
8a608357 1418# machine
8d4c00ed 1419arch_default=$(uname -m)
38d0a8aa 1420cpu="generic"
8a608357 1421
8a608357 1422# OS
8d4c00ed
MR
1423target_os_default=$(tolower $(uname -s))
1424host_os=$target_os_default
8a608357 1425
8a608357 1426# configurable options
5a0f7131
MR
1427enable avcodec
1428enable avdevice
cccc039f 1429enable avfilter
5a0f7131 1430enable avformat
dc4f5a1c 1431enable avutil
c8a4ae00 1432enable asm
497237c7 1433enable debug
c73f65d9 1434enable doc
aa033b1e 1435enable fastdiv
497237c7
RP
1436enable ffmpeg
1437enable ffplay
336ce917 1438enable ffprobe
497237c7 1439enable ffserver
497237c7
RP
1440enable mpegaudio_hp
1441enable network
8400d6b8 1442enable optimizations
497237c7 1443enable protocols
530dc538 1444enable static
87a0fb62 1445enable stripping
5a0f7131 1446enable swscale
a9ddb5b1 1447enable swscale_alpha
8a608357 1448
8a608357 1449# build settings
9987769a 1450SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1451FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1452LIBPREF="lib"
1453LIBSUF=".a"
c5f14466
RP
1454FULLNAME='$(NAME)$(BUILDSUF)'
1455LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1456SLIBPREF="lib"
1457SLIBSUF=".so"
c5f14466 1458SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1459SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1460SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1461LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1462
7e6c86e6
MR
1463CC_O='-o $@'
1464
f0125de9 1465host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1466host_libs='-lm'
1467
9b861379 1468target_path='$(CURDIR)'
a7ada2ba 1469
a158446b
MR
1470# since the object filename is not given with the -MM flag, the compiler
1471# is only able to print the basename, and we must add the path ourselves
c1c3933a 1472DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1473DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1474
c597172e 1475# find source path
5e622c40 1476source_path="$(dirname "$0")"
497237c7 1477enable source_path_used
24524f36 1478if test -f configure; then
5e622c40 1479 source_path="$(pwd)"
497237c7 1480 disable source_path_used
c597172e 1481else
5e622c40 1482 source_path="$(cd "$source_path"; pwd)"
c597172e 1483 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1484 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1485 test -e "$source_path/config.h" &&
1486 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1487fi
1488
13cbe2c0 1489for v in "$@"; do
b04251c5
MR
1490 r=${v#*=}
1491 l=${v%"$r"}
1492 r=$(sh_quote "$r")
13cbe2c0
MR
1493 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1494done
c597172e 1495
73ef8980
MR
1496find_things(){
1497 thing=$1
1498 pattern=$2
1499 file=$source_path/$3
932ccf39 1500 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1501}
1502
1503ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1504DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1505HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1506PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1507BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1508MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1509DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1510OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1511INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1512PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1513FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1514
8469ae22
MR
1515for n in $COMPONENT_LIST; do
1516 v=$(toupper ${n%s})_LIST
1517 eval enable \$$v
1518 eval ${n}_if_any="\$$v"
1519done
1520
1521enable $ARCH_EXT_LIST
c597172e
MR
1522
1523die_unknown(){
1524 echo "Unknown option \"$1\"."
1525 echo "See $0 --help for available options."
1526 exit 1
1527}
1528
794f8e97 1529show_list() {
bf0c4afa
RP
1530 suffix=_$1
1531 shift
2b444ea7 1532 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1533 exit 0
1534}
1535
c597172e 1536for opt do
7483e694
DB
1537 optval="${opt#*=}"
1538 case "$opt" in
0f010b2f 1539 --extra-ldflags=*) add_ldflags $optval
7483e694 1540 ;;
0f010b2f 1541 --extra-libs=*) add_extralibs $optval
7483e694 1542 ;;
8fb1cb58 1543 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1544 ;;
40bcf4c7
BL
1545 --enable-debug=*) debuglevel="$optval"
1546 ;;
36e2dea0 1547 --disable-everything)
1b15dc3c 1548 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1549 ;;
7483e694 1550 --enable-*=*|--disable-*=*)
8b93ddc3 1551 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1552 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1553 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1554 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1555 $action $(filter "$name" $list)
7483e694
DB
1556 ;;
1557 --enable-?*|--disable-?*)
5e622c40 1558 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1559 if is_in $option $COMPONENT_LIST; then
fed5d54b 1560 test $action = disable && action=unset
e3773a55
MR
1561 eval $action \$$(toupper ${option%s})_LIST
1562 elif is_in $option $CMDLINE_SELECT; then
1563 $action $option
1564 else
1565 die_unknown $opt
1566 fi
7483e694
DB
1567 ;;
1568 --list-*)
1569 NAME="${opt#--list-}"
1570 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1571 NAME=${NAME%s}
1572 eval show_list $NAME \$$(toupper $NAME)_LIST
1573 ;;
1574 --help|-h) show_help
1575 ;;
1576 *)
884a36a7 1577 optname="${opt%%=*}"
26759c44
MR
1578 optname="${optname#--}"
1579 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1580 if is_in $optname $CMDLINE_SET; then
1581 eval $optname='$optval'
1582 elif is_in $optname $CMDLINE_APPEND; then
1583 append $optname "$optval"
1584 else
1585 die_unknown $opt
1586 fi
7483e694
DB
1587 ;;
1588 esac
c597172e
MR
1589done
1590
bcea99bb
MR
1591disabled logging && logfile=/dev/null
1592
13cbe2c0 1593echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1594set >> $logfile
1595
9da6609f
MR
1596test -n "$cross_prefix" && enable cross_compile
1597
8d4c00ed
MR
1598if enabled cross_compile; then
1599 test -n "$arch" && test -n "$target_os" ||
1600 die "Must specify target arch and OS when cross-compiling"
1601fi
1602
1603set_default arch target_os
1604
121d78d0 1605ar_default="${cross_prefix}${ar_default}"
11e6d03a 1606cc_default="${cross_prefix}${cc_default}"
20e0ed95 1607nm_default="${cross_prefix}${nm_default}"
adb2b908 1608ranlib="${cross_prefix}${ranlib}"
4f837398 1609strip_default="${cross_prefix}${strip_default}"
adb2b908 1610
c5200f17
MR
1611sysinclude_default="${sysroot}/usr/include"
1612
4f837398 1613set_default cc nm strip sysinclude
9da6609f
MR
1614enabled cross_compile || host_cc_default=$cc
1615set_default host_cc
13c7df3d 1616
82bb3329
MR
1617exesuf() {
1618 case $1 in
1619 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1620 esac
1621}
1622
1623EXESUF=$(exesuf $target_os)
1624HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1625
e4e69e0b 1626# set temporary file name
a49d42c2 1627: ${TMPDIR:=$TEMPDIR}
c51fafa1 1628: ${TMPDIR:=$TMP}
a49d42c2 1629: ${TMPDIR:=/tmp}
e4e69e0b 1630
54460a83
MR
1631if ! check_cmd type mktemp; then
1632 # simple replacement for missing mktemp
1633 # NOT SAFE FOR GENERAL USE
1634 mktemp(){
1635 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1636 }
1637fi
1638
1639tmpfile(){
1640 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1641 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1642 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1643 append TMPFILES $tmp
1644 eval $1=$tmp
1645}
1646
1647trap 'rm -f -- $TMPFILES' EXIT
1648trap exit HUP INT TERM
1649
1650tmpfile TMPC .c
1651tmpfile TMPE $EXESUF
1652tmpfile TMPH .h
1653tmpfile TMPO .o
1654tmpfile TMPS .S
a482e61b 1655tmpfile TMPV .ver
54460a83
MR
1656tmpfile TMPSH .sh
1657
1658unset -f mktemp
e4e69e0b 1659
993f2d0f
MR
1660# make sure we can execute files in $TMPDIR
1661cat > $TMPSH 2>> $logfile <<EOF
1662#! /bin/sh
1663EOF
1664chmod +x $TMPSH >> $logfile 2>&1
1665if ! $TMPSH >> $logfile 2>&1; then
1666 cat <<EOF
1667Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1668variable to another directory and make sure that it is not mounted noexec.
1669EOF
1670 die "Sanity test failed."
1671fi
993f2d0f 1672
19b4c628
MR
1673filter_cflags=echo
1674filter_cppflags=echo
1675filter_asflags=echo
1676
8f0c157a 1677if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1678 cc_type=gcc
a3d7c197 1679 cc_version=__VERSION__
aef6bd1b
MR
1680 if ! $cc -dumpversion | grep -q '^2\.'; then
1681 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1682 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1683 fi
14ca9cd0
MR
1684 speed_cflags='-O3'
1685 size_cflags='-Os'
629687f6
MR
1686elif $cc --version 2>/dev/null | grep -q Intel; then
1687 cc_type=icc
6e3fa35d 1688 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1689 CC_DEPFLAGS='-MMD'
1690 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1691 speed_cflags='-O3'
1692 size_cflags='-Os'
b05394a0 1693 noopt_cflags='-O1'
629687f6
MR
1694elif $cc -v 2>&1 | grep -q xlc; then
1695 cc_type=xlc
6e3fa35d 1696 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1697 speed_cflags='-O5'
1698 size_cflags='-O5 -qcompact'
df442a8d
MR
1699elif $cc -V 2>/dev/null | grep -q Compaq; then
1700 cc_type=ccc
6e3fa35d 1701 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1702 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1703 debuglevel=3
df442a8d 1704 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1705 speed_cflags='-fast'
1706 size_cflags='-O1'
6a0d5493 1707elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1708 test -d "$sysroot" || die "No valid sysroot specified."
1709 cc_type=armcc
6e3fa35d 1710 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1711 armcc_conf="$PWD/armcc.conf"
1712 $cc --arm_linux_configure \
1713 --arm_linux_config_file="$armcc_conf" \
1714 --configure_sysroot="$sysroot" \
1715 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1716 die "Error creating armcc configuration file."
1717 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1718 as_default="${cross_prefix}gcc"
07dec06e
MR
1719 CC_DEPFLAGS='-MMD'
1720 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1721 speed_cflags='-O3'
1722 size_cflags='-Os'
6fec122a
MR
1723elif $cc -version 2>/dev/null | grep -q TMS470; then
1724 cc_type=tms470
6e3fa35d 1725 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1726 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1727 CC_O='-fr=$(@D)'
1728 as_default="${cross_prefix}gcc"
1729 ld_default="${cross_prefix}gcc"
6fec122a
MR
1730 TMPO=$(basename $TMPC .c).o
1731 append TMPFILES $TMPO
1732 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1733 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1734 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1735 speed_cflags='-O3 -mf=5'
1736 size_cflags='-O3 -mf=2'
6fec122a
MR
1737 filter_cflags=tms470_flags
1738 tms470_flags(){
1739 for flag; do
1740 case $flag in
1741 -march=*|-mcpu=*)
1742 case "${flag#*=}" in
1743 armv7-a|cortex-a*) echo -mv=7a8 ;;
1744 armv7-r|cortex-r*) echo -mv=7r4 ;;
1745 armv7-m|cortex-m*) echo -mv=7m3 ;;
1746 armv6*|arm11*) echo -mv=6 ;;
1747 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1748 echo -mv=5e ;;
1749 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1750 esac
1751 ;;
1752 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1753 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1754 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1755 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1756 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1757 -g) echo -g -mn ;;
587d24ff 1758 -pds=*) echo $flag ;;
6fec122a
MR
1759 esac
1760 done
1761 }
06da6943
DC
1762elif $cc -v 2>&1 | grep -q clang; then
1763 cc_type=clang
b67a8f49
DC
1764 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1765 cc_version=__clang_version__ || cc_version=__VERSION__
06da6943
DC
1766 CC_DEPFLAGS='-MMD'
1767 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1768 speed_cflags='-O3'
1769 size_cflags='-Os'
2a472e9c
MK
1770elif $cc -V 2>&1 | grep -q Sun; then
1771 cc_type=suncc
1772 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1773 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1774 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1775 speed_cflags='-O5'
1776 size_cflags='-O5 -xspace'
03279bbe
MK
1777 filter_cflags=suncc_flags
1778 suncc_flags(){
1779 for flag; do
1780 case $flag in
1781 -march=*|-mcpu=*)
1782 case "${flag#*=}" in
1783 native) echo -xtarget=native ;;
87ddc38b 1784 v9|niagara) echo -xarch=sparc ;;
03279bbe 1785 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 1786 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
1787 i586|pentium) echo -xchip=pentium ;;
1788 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1789 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1790 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1791 pentium4*) echo -xtarget=pentium4 ;;
1792 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1793 *-sse3) echo -xarch=sse3 ;;
1794 core2) echo -xarch=ssse3 -xchip=core2 ;;
1795 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1796 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1797 k8|opteron|athlon64|athlon-fx)
1798 echo -xarch=sse2a ;;
1799 athlon*) echo -xarch=pentium_proa ;;
1800 esac
1801 ;;
1802 -std=c99) echo -xc99 ;;
1803 -fomit-frame-pointer) echo -xregs=frameptr ;;
1804 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1805 -W*,*) echo $flag ;;
1806 -f*-*|-W*) ;;
1807 *) echo $flag ;;
1808 esac
1809 done
1810 }
629687f6
MR
1811fi
1812
851ffa80
MR
1813test -n "$cc_type" && enable $cc_type ||
1814 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 1815
75bafbac 1816: ${as_default:=$cc}
50567afa 1817: ${dep_cc_default:=$cc}
684b28e0 1818: ${ld_default:=$cc}
121d78d0 1819set_default ar as dep_cc ld
75800dce 1820
07dec06e
MR
1821test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1822test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1823
7f32f40c 1824add_cflags $extra_cflags
2f2e6c7c 1825add_asflags $extra_cflags
7f32f40c 1826
154d432c
MR
1827if test -n "$sysroot"; then
1828 case "$cc_type" in
1829 gcc)
467256f2 1830 add_cppflags --sysroot="$sysroot"
154d432c
MR
1831 add_ldflags --sysroot="$sysroot"
1832 ;;
6fec122a
MR
1833 tms470)
1834 add_cppflags -I"$sysinclude"
1835 add_ldflags --sysroot="$sysroot"
1836 ;;
06da6943 1837 clang)
4def700e
DC
1838 add_cppflags -isysroot "$sysroot"
1839 add_ldflags -isysroot "$sysroot"
06da6943 1840 ;;
154d432c
MR
1841 esac
1842fi
1843
d22c13a8
MR
1844if test "$cpu" = host; then
1845 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1846
1847 case "$cc_type" in
1848 gcc)
1849 check_native(){
1850 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1851 sed -n "/$1=/{
1852 s/.*$1=\\([^ ]*\\).*/\\1/
1853 p
1854 q
1855 }" $TMPE
d22c13a8
MR
1856 }
1857 cpu=$(check_native -march || check_native -mcpu)
1858 ;;
1859 esac
1860
1861 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1862fi
1863
e939cedd
MR
1864# Deal with common $arch aliases
1865case "$arch" in
1866 arm*)
1867 arch="arm"
1868 ;;
1869 mips|mipsel|IP*)
1870 arch="mips"
1871 ;;
47b1860e 1872 mips64*)
e939cedd
MR
1873 arch="mips"
1874 subarch="mips64"
1875 ;;
1876 parisc|hppa)
1877 arch="parisc"
1878 ;;
1879 parisc64|hppa64)
1880 arch="parisc"
1881 subarch="parisc64"
1882 ;;
1883 "Power Macintosh"|ppc|powerpc)
1884 arch="ppc"
1885 ;;
47b1860e 1886 ppc64|powerpc64)
e939cedd
MR
1887 arch="ppc"
1888 subarch="ppc64"
1889 ;;
1890 s390|s390x)
1891 arch="s390"
1892 ;;
1893 sh4|sh)
1894 arch="sh4"
1895 ;;
1896 sun4u|sparc64)
1897 arch="sparc"
1898 subarch="sparc64"
1899 ;;
1900 i[3-6]86|i86pc|BePC|x86_64|amd64)
1901 arch="x86"
1902 ;;
1903esac
1904
851ffa80 1905is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 1906enable $arch
e939cedd 1907
df5cdc24 1908# Add processor-specific flags
5d54c126
MR
1909if test "$cpu" = generic; then
1910 : do nothing
1911elif enabled ppc; then
343aef9b 1912
56348891
MR
1913 case $(tolower $cpu) in
1914 601|ppc601|powerpc601)
9dbd5c3d 1915 cpuflags="-mcpu=601"
64ad53ff 1916 disable altivec
9dbd5c3d 1917 ;;
56348891 1918 603*|ppc603*|powerpc603*)
9dbd5c3d 1919 cpuflags="-mcpu=603"
64ad53ff 1920 disable altivec
9dbd5c3d 1921 ;;
56348891 1922 604*|ppc604*|powerpc604*)
9dbd5c3d 1923 cpuflags="-mcpu=604"
64ad53ff 1924 disable altivec
9dbd5c3d 1925 ;;
56348891 1926 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1927 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1928 disable altivec
9dbd5c3d 1929 ;;
56348891 1930 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1931 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1932 ;;
56348891 1933 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1934 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1935 ;;
56348891 1936 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1937 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1938 ;;
56348891 1939 cell)
9dbd5c3d
MR
1940 cpuflags="-mcpu=cell"
1941 enable ldbrx
1942 ;;
7b0b81a1
AL
1943 e500v2)
1944 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1945 disable altivec
1946 ;;
1947 e500)
1948 cpuflags="-mcpu=8540 -mhard-float"
1949 disable altivec
1950 ;;
9dbd5c3d 1951 esac
343aef9b
MR
1952
1953elif enabled x86; then
1954
9dbd5c3d
MR
1955 case $cpu in
1956 i[345]86|pentium)
1957 cpuflags="-march=$cpu"
1958 disable mmx
1959 ;;
1960 # targets that do NOT support conditional mov (cmov)
1961 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1962 cpuflags="-march=$cpu"
1963 disable cmov
1964 ;;
1965 # targets that do support conditional mov (cmov)
a65e687b 1966 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
9dbd5c3d
MR
1967 cpuflags="-march=$cpu"
1968 enable cmov
1969 enable fast_cmov
1970 ;;
1971 # targets that do support conditional mov but on which it's slow
1972 pentium4|pentium4m|prescott|nocona)
1973 cpuflags="-march=$cpu"
1974 enable cmov
1975 disable fast_cmov
1976 ;;
1977 esac
343aef9b
MR
1978
1979elif enabled sparc; then
1980
9dbd5c3d 1981 case $cpu in
26b7199e
MK
1982 niagara)
1983 cpuflags="-mcpu=$cpu"
1984 disable vis
1985 ;;
9dbd5c3d
MR
1986 sparc64)
1987 cpuflags="-mcpu=v9"
1988 ;;
1989 esac
343aef9b
MR
1990
1991elif enabled arm; then
1992
34ba23c9
MR
1993 case $cpu in
1994 armv*)
1995 cpuflags="-march=$cpu"
1996 ;;
1997 *)
1998 cpuflags="-mcpu=$cpu"
1999 ;;
2000 esac
343aef9b
MR
2001
2002elif enabled alpha; then
2003
34ba23c9 2004 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2005
2006elif enabled bfin; then
2007
34ba23c9 2008 cpuflags="-mcpu=$cpu"
343aef9b
MR
2009
2010elif enabled mips; then
2011
34ba23c9 2012 cpuflags="-march=$cpu"
343aef9b
MR
2013
2014elif enabled avr32; then
2015
9dbd5c3d
MR
2016 case $cpu in
2017 ap7[02]0[0-2])
2018 subarch="avr32_ap"
2019 cpuflags="-mpart=$cpu"
2020 ;;
2021 ap)
2022 subarch="avr32_ap"
2023 cpuflags="-march=$cpu"
2024 ;;
2025 uc3[ab]*)
2026 subarch="avr32_uc"
2027 cpuflags="-mcpu=$cpu"
2028 ;;
2029 uc)
2030 subarch="avr32_uc"
2031 cpuflags="-march=$cpu"
2032 ;;
2033 esac
df5cdc24 2034
343aef9b
MR
2035fi
2036
df5cdc24
MR
2037add_cflags $cpuflags
2038add_asflags $cpuflags
2039
993f2d0f
MR
2040# compiler sanity check
2041check_exec <<EOF
2042int main(void){ return 0; }
2043EOF
2044if test "$?" != 0; then
2045 echo "$cc is unable to create an executable file."
2046 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2047 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2048 echo "Only do this if you know what cross compiling means."
2049 fi
2050 die "C compiler test failed."
2051fi
2052
38a9c529 2053add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2054check_cflags -std=c99
50a334e4 2055check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2056#include <stdlib.h>
2057EOF
50a334e4 2058check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2059#include <stdlib.h>
2060EOF
e9b9a2f8 2061
f0125de9
MR
2062check_host_cflags -std=c99
2063
b24dbcbd 2064case "$arch" in
e939cedd 2065 alpha|ia64|mips|parisc|sparc)
8a3c8627 2066 spic=$shared
b24dbcbd 2067 ;;
e939cedd 2068 x86)
cfdb6148 2069 subarch="x86_32"
e939cedd 2070 check_cc <<EOF && subarch="x86_64"
58b3536d 2071 int test[(int)sizeof(char*) - 7];
cfdb6148 2072EOF
de27f4d9 2073 if test "$subarch" = "x86_64"; then
e939cedd 2074 spic=$shared
de27f4d9 2075 fi
b24dbcbd 2076 ;;
b24dbcbd
RP
2077esac
2078
343aef9b 2079enable $subarch
8a3c8627 2080enabled spic && enable pic
b24dbcbd 2081
7483e694 2082# OS specific
4f854758 2083case $target_os in
a1629e28 2084 haiku)
63ae7e7c 2085 prefix_default="/boot/common"
108caaaa 2086 network_extralibs="-lnetwork"
a1629e28 2087 ;;
7483e694
DB
2088 sunos)
2089 FFSERVERLDFLAGS=""
9987769a 2090 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2091 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2092 network_extralibs="-lsocket -lnsl"
50a334e4 2093 add_cppflags -D__EXTENSIONS__
8182dc34 2094 nm_opts='-P -g'
7483e694
DB
2095 ;;
2096 netbsd)
07a8eef6
MR
2097 oss_indev_extralibs="-lossaudio"
2098 oss_outdev_extralibs="-lossaudio"
2138dc99 2099 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2100 ;;
2101 openbsd)
89e053f8 2102 enable malloc_aligned
7c4a001a
MR
2103 # On OpenBSD 4.5. the compiler does not use PIC unless
2104 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2105 # however the generated executable will not do anything
2106 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2107 # Thus explicitly enable PIC here.
cd78208b 2108 enable pic
7483e694 2109 SHFLAGS='-shared'
07a8eef6
MR
2110 oss_indev_extralibs="-lossaudio"
2111 oss_outdev_extralibs="-lossaudio"
7483e694 2112 ;;
90b4f091 2113 freebsd|dragonfly)
89e053f8 2114 enable malloc_aligned
7483e694
DB
2115 ;;
2116 bsd/os)
355d81df 2117 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2118 strip="strip -d"
2119 ;;
2120 darwin)
89e053f8 2121 enable malloc_aligned
301ab19d 2122 gas="gas-preprocessor.pl $cc"
e08b8239 2123 enabled ppc && add_asflags -force_cpusubtype_ALL
0138c54e 2124 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
be90cd27 2125 strip="${strip} -x"
355d81df 2126 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2127 SLIBSUF=".dylib"
2128 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2129 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2130 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2131 objformat="macho"
1b0f6fb8 2132 enabled x86_64 && objformat="macho64"
8dfa86f7 2133 enabled_any pic shared ||
2704bd1a 2134 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2135 ;;
2136 mingw32*)
9d3f4f50 2137 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2138 disable network
2139 else
2140 target_os=mingw32
2141 fi
dcc01c06 2142 LIBTARGET=i386
1fc9fb8a 2143 if enabled x86_64; then
89e053f8 2144 enable malloc_aligned
dcc01c06 2145 LIBTARGET=x64
336cc1b0
MS
2146 elif enabled arm; then
2147 LIBTARGET=arm
dcc01c06 2148 fi
fbd971a4 2149 shlibdir_default="$bindir_default"
7483e694
DB
2150 disable ffserver
2151 SLIBPREF=""
2152 SLIBSUF=".dll"
7483e694
DB
2153 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2154 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2155 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2156 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2157 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2158 install -d "$(LIBDIR)"; \
2159 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2160 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2161 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2162 objformat="win32"
bc574408 2163 enable dos_paths
1894e741 2164 check_cflags -fno-common
b1549d61 2165 if ! enabled x86_64; then
f7ad5aa2
RP
2166 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2167 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2168 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2169 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2170 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2171 fi
7483e694
DB
2172 ;;
2173 cygwin*)
4f854758 2174 target_os=cygwin
fbd971a4 2175 shlibdir_default="$bindir_default"
7483e694
DB
2176 SLIBPREF="cyg"
2177 SLIBSUF=".dll"
2178 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2179 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2180 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2181 objformat="win32"
bc574408 2182 enable dos_paths
1894e741 2183 check_cflags -fno-common
7483e694 2184 ;;
4f365f37 2185 *-dos|freedos|opendos)
fdf11906 2186 disable ffplay ffserver
4f365f37
MK
2187 disable $INDEV_LIST $OUTDEV_LIST
2188 network_extralibs="-lsocket"
ff1c015d 2189 objformat="coff"
bc574408 2190 enable dos_paths
4f365f37 2191 ;;
7483e694 2192 linux)
7483e694
DB
2193 enable dv1394
2194 ;;
2195 irix*)
4f854758 2196 target_os=irix
7483e694
DB
2197 ranlib="echo ignoring ranlib"
2198 ;;
d22e8442 2199 os/2*)
d22e8442
DY
2200 strip="lxlite"
2201 ln_s="cp -f"
355d81df 2202 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2203 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2204 FFSERVERLDFLAGS=""
287d3b13 2205 LIBSUF="_s.a"
d22e8442
DY
2206 SLIBPREF=""
2207 SLIBSUF=".dll"
2208 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2209 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2210 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2211 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2212 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2213 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2214 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2215 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2216 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2217 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2218 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2219 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2220 enable dos_paths
d22e8442 2221 ;;
83993c1c
AM
2222 gnu/kfreebsd)
2223 ;;
34e82167 2224 gnu)
34e82167 2225 ;;
614d8911
MR
2226 none)
2227 ;;
7483e694 2228 *)
4f924f9a 2229 die "Unknown OS '$target_os'."
7483e694
DB
2230 ;;
2231esac
2232
13cb2187
AS
2233check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2234
c9d19248
MR
2235set_default $PATHS_LIST
2236
320d060a 2237# we need to build at least one lib type
93b3c083 2238if ! enabled_any static shared; then
320d060a
DB
2239 cat <<EOF
2240At least one library type must be built.
2241Specify --enable-static to build the static libraries or --enable-shared to
2242build the shared libraries as well. To only build the shared libraries specify
2243--disable-static in addition to --enable-shared.
2244EOF
2245 exit 1;
2246fi
2247
abc4e572 2248disabled static && LIBNAME=""
2a320695 2249
2184c6f7 2250die_license_disabled() {
4c27207c 2251 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2252}
2253
2184c6f7
DB
2254die_license_disabled gpl libx264
2255die_license_disabled gpl libxvid
2256die_license_disabled gpl postproc
2257die_license_disabled gpl x11grab
2258
2f7ae63b 2259die_license_disabled nonfree libfaac
b2e3c528 2260
0b175caa
DB
2261die_license_disabled version3 libopencore_amrnb
2262die_license_disabled version3 libopencore_amrwb
2263
9cad0e4e 2264enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2265
9eeed841 2266check_deps $ARCH_EXT_LIST
0f3cb305 2267
40617a6d 2268disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2269
e276d9e8
MR
2270enable_pic() {
2271 enable pic
bce7b696
MR
2272 add_cppflags -DPIC
2273 add_cflags -fPIC
2274 add_asflags -fPIC
e276d9e8
MR
2275}
2276
2277enabled pic && enable_pic
bce7b696 2278
b4d96ba2
MR
2279check_cc <<EOF || die "Symbol mangling check failed."
2280int ff_extern;
2281EOF
8182dc34 2282sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2283extern_prefix=${sym%%ff_extern*}
2284
f65883c8
MR
2285check_cc <<EOF && enable inline_asm
2286void foo(void) { __asm__ volatile ("" ::); }
2287EOF
61d251db 2288
df5e3978
MR
2289_restrict=
2290for restrict_keyword in restrict __restrict__ __restrict; do
2291 check_cc <<EOF && _restrict=$restrict_keyword && break
2292void foo(char * $restrict_keyword p);
2293EOF
2294done
2295
2296check_cc <<EOF && enable attribute_packed
2297struct { int x; } __attribute__((packed)) x;
2298EOF
2299
dffb41b9
MR
2300check_cc <<EOF && enable attribute_may_alias
2301union { int x; } __attribute__((may_alias)) x;
2302EOF
2303
df5e3978
MR
2304check_cc <<EOF || die "endian test failed"
2305unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2306EOF
48fc536a 2307od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2308
e939cedd
MR
2309if enabled alpha; then
2310
2311 check_cflags -mieee
2312
2313elif enabled arm; then
e45391bb 2314
50fa82e6 2315 check_cflags -marm
301ab19d 2316 nogas=die
50fa82e6 2317
fa0912fe
MR
2318 check_ld <<EOF && enable vfp_args
2319__asm__ (".eabi_attribute 28, 1");
2320int main(void) { return 0; }
2321EOF
2322
2323 # We have to check if pld is a nop and disable it.
2324 check_asm pld '"pld [r0]"'
2325
2326 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2327 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2328 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2329 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2330 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2331 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2332
e276d9e8
MR
2333 enabled_all armv6t2 shared !pic && enable_pic
2334
fa0912fe 2335elif enabled mips; then
e45391bb 2336
fa0912fe
MR
2337 check_asm loongson '"dmult.g $1, $2, $3"'
2338 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2339
fa0912fe 2340elif enabled ppc; then
e45391bb 2341
e6a0c354
MR
2342 enable local_aligned_8 local_aligned_16
2343
135448fa 2344 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2f0c136e 2345 check_asm ibm_asm '"add 0, 0, 0"'
fa0912fe 2346 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2347 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2348
2349 # AltiVec flags: The FSF version of GCC differs from the Apple version
2350 if enabled altivec; then
301ab19d 2351 nogas=warn
fa0912fe
MR
2352 check_cflags -maltivec -mabi=altivec &&
2353 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2354 check_cflags -faltivec
2355
2356 # check if our compiler supports Motorola AltiVec C API
2357 check_cc <<EOF || disable altivec
2358$inc_altivec_h
2359int main(void) {
2360 vector signed int v1, v2, v3;
2361 v1 = vec_add(v2,v3);
2362 return 0;
2363}
2364EOF
2365
2366 # check if our compiler supports braces for vector declarations
2367 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2368$inc_altivec_h
2369int main (void) { (vector int) {1}; return 0; }
2370EOF
2371 fi
e45391bb 2372
fa0912fe 2373elif enabled sparc; then
e45391bb 2374
fa0912fe
MR
2375 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2376 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2377
fa0912fe 2378elif enabled x86; then
e45391bb 2379
e6a0c354
MR
2380 enable local_aligned_8 local_aligned_16
2381
44965991
PI
2382 # check whether EBP is available on x86
2383 # As 'i' is stored on the stack, this program will crash
2384 # if the base pointer is used to access it because the
2385 # base pointer is cleared in the inline assembly code.
7dfef245 2386 check_exec_crash <<EOF && enable ebp_available
44965991 2387 volatile int i=0;
be449fca 2388 __asm__ volatile (
44965991
PI
2389 "xorl %%ebp, %%ebp"
2390 ::: "%ebp");
2391 return i;
44965991
PI
2392EOF
2393
f494213c 2394 # check whether EBX is available on x86
7cee5421
MR
2395 check_asm ebx_available '""::"b"(0)' &&
2396 check_asm ebx_available '"":::"%ebx"'
8e380710 2397
d3a4b4e0
DB
2398 # check whether more than 10 operands are supported
2399 check_cc <<EOF && enable ten_operands
2400int main(void) {
2401 int x=0;
2402 __asm__ volatile(
2403 ""
2404 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2405 );
2406 return 0;
2407}
2408EOF
2409
d7f0920b 2410 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2411 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2412 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2413
2414 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2415
d52481b9 2416 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2417 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2418 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2419 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2420 case "$objformat" in
2421 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2422 esac
31a0dcb2
MR
2423 if ! disabled yasm; then
2424 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2425 warn "yasm not found, performance will suffer"
2426 fi
e45391bb 2427
669b5583
MR
2428 case "$cpu" in
2429 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2430 disable fast_clz
2431 ;;
2432 esac
2433
44965991
PI
2434fi
2435
301ab19d
MR
2436if enabled asm; then
2437 as=${gas:=$as}
2438 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2439 $nogas "GNU assembler not found, install gas-preprocessor"
2440fi
2441
a98bb16d
RP
2442if check_func dlopen; then
2443 ldl=
2444elif check_func dlopen -ldl; then
2445 ldl=-ldl
8bf5d58f
MN
2446fi
2447
75ecf149
DB
2448# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2449check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2450
534a2231 2451check_func fcntl
7483e694 2452check_func fork
84882df6 2453check_func getaddrinfo $network_extralibs
7483e694
DB
2454check_func gethrtime
2455check_func getrusage
fc5607f8 2456check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2457check_func inet_aton $network_extralibs
abfc8d05 2458check_func isatty
4ae40685 2459check_func ${malloc_prefix}memalign && enable memalign
7483e694 2460check_func mkstemp
4ae40685 2461check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2462check_func setrlimit
87958234 2463check_func strerror_r
b507ebd1 2464check_func_headers io.h setmode
e4673692 2465check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2466check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2467check_func_headers windows.h GetProcessTimes
7c5bfe7a 2468check_func_headers windows.h VirtualAlloc
6ffa87d3 2469
e16e49ac 2470check_header conio.h
a98bb16d 2471check_header dlfcn.h
92c6a099 2472check_header dxva2api.h
a98bb16d 2473check_header malloc.h
bf6ce82d 2474check_header poll.h
b58412f1 2475check_header sys/mman.h
b091aa44 2476check_header sys/resource.h
bf6ce82d 2477check_header sys/select.h
a98bb16d 2478check_header termios.h
272081b0
CEH
2479check_header vdpau/vdpau.h
2480check_header vdpau/vdpau_x11.h
68178ca9 2481check_header X11/extensions/XvMClib.h
a98bb16d 2482
9104cd51
RP
2483check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2484
89e053f8
MR
2485if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2486 enabled_any $need_memalign ; then
1f91cdce 2487 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2488fi
e16e49ac 2489
a4fa192c 2490disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2491disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2492
2493# check for some common methods of building with pthread support
2494# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
2495if ! disabled pthreads && ! enabled w32threads; then
2496 enable pthreads
9e7fd101
MR
2497 if check_func pthread_create; then
2498 :
2499 elif check_func pthread_create -pthread; then
2500 add_cflags -pthread
afc9aee2 2501 add_extralibs -pthread
9e7fd101
MR
2502 elif check_func pthread_create -pthreads; then
2503 add_cflags -pthreads
afc9aee2 2504 add_extralibs -pthreads
8d94f606
GT
2505 elif check_func pthread_create -lpthreadGC2; then
2506 add_extralibs -lpthreadGC2
9e7fd101 2507 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 2508 disable pthreads
9e7fd101 2509 fi
57bd82d4
MR
2510fi
2511
8eee7025 2512for thread in $THREADS_LIST; do
e5f94c2b 2513 if enabled $thread; then
3ae3b721
RP
2514 test -n "$thread_type" &&
2515 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2516 thread_type="$thread"
e5f94c2b
RP
2517 fi
2518done
2519
fdf88598 2520check_lib math.h sin -lm
edd43c95 2521disabled vaapi || check_lib va/va.h vaInitialize -lva
fdf88598 2522
645d2652
MR
2523check_mathfunc exp2
2524check_mathfunc exp2f
2525check_mathfunc llrint
07876e25 2526check_mathfunc llrintf
645d2652
MR
2527check_mathfunc log2
2528check_mathfunc log2f
2529check_mathfunc lrint
2530check_mathfunc lrintf
2531check_mathfunc round
2532check_mathfunc roundf
2533check_mathfunc truncf
f32adb22 2534
57bd82d4 2535# these are off by default, so fail if requested and not available
a1b3c5a3 2536enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2537enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2538 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2539 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097 2540enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5af41508 2541enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
eb7626a3 2542enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
7483e694 2543enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
eb7626a3
MR
2544enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2545enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3d6fac8c 2546enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
42ebfc54
RP
2547enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2548 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
36718e51
DB
2549enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2550 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2551enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2552enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2553enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
ea28e81f
MR
2554enabled libvpx && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx &&
2555 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2556 die "ERROR: libvpx version must be >=0.9.1"; }
eb7626a3 2557enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
652d9d24
JGG
2558 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2559 die "ERROR: libx264 version must be >= 0.98."; }
2bfecf73 2560enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2561enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2562
0b4a1821
AS
2563# libdc1394 check
2564if enabled libdc1394; then
2565 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2566 enable libdc1394_2; } ||
2567 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2568 enable libdc1394_1; } ||
2569 die "ERROR: No version of libdc1394 found "
2570fi
2571
6a1a892f 2572SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2573if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2574 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2575 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2576 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2577 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2578 enable sdl &&
2579 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2580fi
57bd82d4 2581
2270b4b2 2582texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2583
73b46a95 2584if enabled network; then
96000432 2585 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2586 check_type netdb.h "struct addrinfo"
b4d68544
MS
2587 check_type netinet/in.h "struct ipv6_mreq"
2588 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2589 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2590 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2591 # Prefer arpa/inet.h over winsock2
2592 if check_header arpa/inet.h ; then
2593 check_func closesocket
2594 elif check_header winsock2.h ; then
f4c13872
MS
2595 check_func_headers winsock2.h closesocket -lws2 && \
2596 network_extralibs="-lws2" || \
2597 { check_func_headers winsock2.h closesocket -lws2_32 && \
2598 network_extralibs="-lws2_32"; }
72be9e73 2599 check_type ws2tcpip.h socklen_t
c0018613 2600 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2601 check_type ws2tcpip.h "struct ipv6_mreq"
2602 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2603 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2604 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2605 else
2606 disable network
73b46a95
RP
2607 fi
2608fi
2609
06e31011
RP
2610check_header linux/videodev.h
2611check_header linux/videodev2.h
1b6e8b73 2612check_header sys/videoio.h
47f38850 2613
27796dc3 2614check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2615
f8aa696f 2616# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2617{ check_header dev/bktr/ioctl_meteor.h &&
2618 check_header dev/bktr/ioctl_bt848.h; } ||
2619{ check_header machine/ioctl_meteor.h &&
2620 check_header machine/ioctl_bt848.h; } ||
2621{ check_header dev/video/meteor/ioctl_meteor.h &&
2622 check_header dev/video/bktr/ioctl_bt848.h; } ||
2623check_header dev/ic/bt8xx.h
f8aa696f 2624
c7682de0
RP
2625check_header sys/soundcard.h
2626check_header soundcard.h
deb29777 2627
b6f3d925 2628enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2629
0e57fe17 2630enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2631
56a059ac 2632enabled x11grab &&
f58f4ce1
GP
2633check_header X11/Xlib.h &&
2634check_header X11/extensions/XShm.h &&
0a045661 2635check_header X11/extensions/Xfixes.h &&
f58f4ce1 2636check_func XOpenDisplay -lX11 &&
781c1aa6
R
2637check_func XShmCreateImage -lX11 -lXext &&
2638check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2639
598ef02b 2640if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2641check_cpp_condition \
2642 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2643 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2644 disable vdpau; }
abf649c7 2645fi
deda2a4a 2646
95e561ec 2647enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2648
2649# add some useful compiler flags if supported
2650check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2651check_cflags -Wall
2652check_cflags -Wno-switch
c07bd6a9
MN
2653check_cflags -Wdisabled-optimization
2654check_cflags -Wpointer-arith
2655check_cflags -Wredundant-decls
cc1fb623 2656check_cflags -Wno-pointer-sign
f4929996 2657check_cflags -Wcast-qual
9aceb3cf 2658check_cflags -Wwrite-strings
652a5bf6 2659check_cflags -Wtype-limits
764551c6 2660check_cflags -Wundef
fc298fd9 2661check_cflags -Wmissing-prototypes
5af4e0cc 2662enabled extra_warnings && check_cflags -Winline
cf9d24ad 2663
57bd82d4 2664# add some linker flags
5c0e9479 2665check_ldflags -Wl,--warn-common
8351d2ba
DB
2666check_ldflags -Wl,--as-needed
2667check_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 2668check_ldflags -Wl,-Bsymbolic
94a3401e 2669
a482e61b 2670echo "X{};" > $TMPV
b462d132 2671if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 2672 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
2673 check_cc <<EOF && enable symver_asm_label
2674void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 2675void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
2676EOF
2677 check_cc <<EOF && enable symver_gnu_asm
2678__asm__(".symver ff_foo,av_foo@VERSION");
2679void ff_foo(void) {}
2680EOF
2681fi
a482e61b 2682
bd2216e4 2683if enabled small; then
14ca9cd0 2684 add_cflags $size_cflags
8400d6b8
DB
2685 optimizations="small"
2686elif enabled optimizations; then
14ca9cd0 2687 add_cflags $speed_cflags
b05394a0
MR
2688else
2689 add_cflags $noopt_cflags
cddf3f45 2690fi
11fdbc44 2691check_cflags -fno-math-errno
b2eb2ff0 2692check_cflags -fno-signed-zeros
cddf3f45 2693
629687f6 2694if enabled icc; then
b1598b58
MR
2695 # Just warnings, no remarks
2696 check_cflags -w1
2697 # -wd: Disable following warnings
2698 # 144, 167, 556: -Wno-pointer-sign
2699 # 10006: ignoring unknown option -fno-signed-zeros
2700 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2701 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2702 # 11030: Warning unknown option --as-needed
2703 # 10156: ignoring option '-export'; no argument required
2704 check_ldflags -wd10156,11030
2705 # Allow to compile with optimizations
2706 check_ldflags -march=$cpu
be2cf98a
CEH
2707 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2708 enable ebp_available
df442a8d
MR
2709elif enabled ccc; then
2710 # disable some annoying warnings
2711 add_cflags -msg_disable cvtu32to64
2712 add_cflags -msg_disable embedcomment
2713 add_cflags -msg_disable needconstext
2714 add_cflags -msg_disable nomainieee
2715 add_cflags -msg_disable ptrmismatch1
2716 add_cflags -msg_disable unreachcode
973859f5
MR
2717elif enabled gcc; then
2718 check_cflags -fno-tree-vectorize
765e6134 2719 check_cflags -Werror=implicit-function-declaration
de63bfec 2720 check_cflags -Werror=missing-prototypes
06da6943
DC
2721elif enabled clang; then
2722 check_cflags -Qunused-arguments
138132be
MR
2723elif enabled armcc; then
2724 # 2523: use of inline assembler is deprecated
2725 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2726 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2727elif enabled tms470; then
2728 add_cflags -pds=824 -pds=837
504a64b9
CEH
2729fi
2730
7483e694
DB
2731enabled_any $THREADS_LIST && enable threads
2732
2733check_deps $CONFIG_LIST \
b6bb00b0 2734 $CONFIG_EXTRA \
7483e694
DB
2735 $HAVE_LIST \
2736 $DECODER_LIST \
2737 $ENCODER_LIST \
5666fd73 2738 $HWACCEL_LIST \
7483e694
DB
2739 $PARSER_LIST \
2740 $BSF_LIST \
2741 $DEMUXER_LIST \
2742 $MUXER_LIST \
f7679c54 2743 $FILTER_LIST \
7483e694
DB
2744 $INDEV_LIST \
2745 $OUTDEV_LIST \
2746 $PROTOCOL_LIST \
f70f03f6 2747
3bfd582c 2748enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 2749
3e89171a 2750echo "install prefix $prefix"
f36958f8
DB
2751echo "source path $source_path"
2752echo "C compiler $cc"
f36958f8 2753echo "ARCH $arch ($cpu)"
ce8871c2
MR
2754if test "$build_suffix" != ""; then
2755 echo "build suffix $build_suffix"
eb94aca9 2756fi
ac63af34
DB
2757if test "$extra_version" != ""; then
2758 echo "version string suffix $extra_version"
2759fi
0db2ce77 2760echo "big-endian ${bigendian-no}"
e90f5b5a 2761echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2762if enabled x86; then
af44e8e4 2763 echo "yasm ${yasm-no}"
0db2ce77 2764 echo "MMX enabled ${mmx-no}"
30e98e62 2765 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2766 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2767 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2768 echo "SSE enabled ${sse-no}"
30e98e62 2769 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2770 echo "CMOV enabled ${cmov-no}"
2771 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2772 echo "EBX available ${ebx_available-no}"
2773 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2774 echo "10 operands supported ${ten_operands-no}"
e41e8342 2775fi
5b6c2cbd 2776if enabled arm; then
0db2ce77
MR
2777 echo "ARMv5TE enabled ${armv5te-no}"
2778 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2779 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2780 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2781 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2782 echo "NEON enabled ${neon-no}"
eba9ae3c 2783fi
5b6c2cbd 2784if enabled mips; then
0db2ce77 2785 echo "MMI enabled ${mmi-no}"
e41e8342 2786fi
5b6c2cbd 2787if enabled ppc; then
0db2ce77 2788 echo "AltiVec enabled ${altivec-no}"
30e98e62 2789 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2790 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2791fi
2792if enabled sparc; then
2793 echo "VIS enabled ${vis-no}"
e41e8342 2794fi
0db2ce77 2795echo "debug symbols ${debug-no}"
87a0fb62 2796echo "strip symbols ${stripping-no}"
8400d6b8 2797echo "optimizations ${optimizations-no}"
0db2ce77
MR
2798echo "static ${static-no}"
2799echo "shared ${shared-no}"
4a24ab64 2800echo "postprocessing support ${postproc-no}"
f7679c54 2801echo "new filter support ${avfilter-no}"
81124ba0 2802echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2803echo "network support ${network-no}"
0db2ce77
MR
2804echo "threading support ${thread_type-no}"
2805echo "SDL support ${sdl-no}"
0db2ce77
MR
2806echo "Sun medialib support ${mlib-no}"
2807echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2808echo "libdc1394 support ${libdc1394-no}"
690bfceb 2809echo "libdirac enabled ${libdirac-no}"
0db2ce77 2810echo "libfaac enabled ${libfaac-no}"
0db2ce77
MR
2811echo "libgsm enabled ${libgsm-no}"
2812echo "libmp3lame enabled ${libmp3lame-no}"
2813echo "libnut enabled ${libnut-no}"
0b175caa
DB
2814echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2815echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2816echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2817echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2818echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2819echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2820echo "libtheora enabled ${libtheora-no}"
2821echo "libvorbis enabled ${libvorbis-no}"
8299a7f8 2822echo "libvpx enabled ${libvpx-no}"
d6bd62db
DB
2823echo "libx264 enabled ${libx264-no}"
2824echo "libxvid enabled ${libxvid-no}"
0db2ce77 2825echo "zlib enabled ${zlib-no}"
f402916e 2826echo "bzlib enabled ${bzlib-no}"
2c62e737 2827echo
de6d9b64 2828
5666fd73 2829for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2830 echo "Enabled ${type}s:"
f65c9da1 2831 eval list=\$$(toupper $type)_LIST
8138b9db 2832 for part in $list; do
f65c9da1
MR
2833 enabled $part && echo ${part%_*}
2834 done | sort | pr -3 -t
2835 echo
8138b9db
RP
2836done
2837
ba7a7039 2838license="LGPL version 2.1 or later"
ba321adb 2839if enabled nonfree; then
ba7a7039 2840 license="nonfree and unredistributable"
9cad0e4e
DB
2841elif enabled gplv3; then
2842 license="GPL version 3 or later"
2843elif enabled lgplv3; then
2844 license="LGPL version 3 or later"
ba321adb 2845elif enabled gpl; then
ba7a7039 2846 license="GPL version 2 or later"
ba321adb
JK
2847fi
2848
2849echo "License: $license"
ca5323af 2850
cf1392e9
DB
2851echo "Creating config.mak and config.h..."
2852
df642790
MR
2853# build tree in object directory if source path is different from current one
2854if enabled source_path_used; then
2855 DIRS="
2856 doc
2857 libavcodec
2858 libavcodec/$arch
2859 libavdevice
2860 libavfilter
2861 libavformat
2862 libavutil
2863 libavutil/$arch
2864 libpostproc
2865 libswscale
2866 libswscale/$arch
2867 tests
2868 tools
2869 "
2870 FILES="
2871 Makefile
2872 common.mak
2873 subdir.mak
2874 doc/texi2pod.pl
2875 libavcodec/Makefile
43f60eba 2876 libavcodec/${arch}/Makefile
df642790
MR
2877 libavdevice/Makefile
2878 libavfilter/Makefile
2879 libavformat/Makefile
2880 libavutil/Makefile
2881 libpostproc/Makefile
2882 libswscale/Makefile
2883 "
e0e335a0 2884 map 'mkdir -p $v' $DIRS;
43f60eba 2885 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2886fi
2887
ad212cc6
MR
2888enabled stripping || strip="echo skipping strip"
2889
173c983b
MR
2890cat > config.mak <<EOF
2891# Automatically generated by configure - do not modify!
2892ifndef FFMPEG_CONFIG_MAK
2893FFMPEG_CONFIG_MAK=1
2894FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2895prefix=$prefix
2896LIBDIR=\$(DESTDIR)$libdir
2897SHLIBDIR=\$(DESTDIR)$shlibdir
2898INCDIR=\$(DESTDIR)$incdir
2899BINDIR=\$(DESTDIR)$bindir
2900DATADIR=\$(DESTDIR)$datadir
2901MANDIR=\$(DESTDIR)$mandir
2902SRC_PATH="$source_path"
2903SRC_PATH_BARE=$source_path
2904BUILD_ROOT="$PWD"
2905ARCH=$arch
2906CC=$cc
2907AS=$as
2908LD=$ld
2909DEPCC=$dep_cc
2910YASM=$yasmexe
a4aea515 2911YASMDEP=$yasmexe
173c983b
MR
2912AR=$ar
2913RANLIB=$ranlib
4335125c 2914CP=cp -p
173c983b
MR
2915LN_S=$ln_s
2916STRIP=$strip
2917CPPFLAGS=$CPPFLAGS
2918CFLAGS=$CFLAGS
2919ASFLAGS=$ASFLAGS
2920CC_O=$CC_O
2921LDFLAGS=$LDFLAGS
2922FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2923SHFLAGS=$SHFLAGS
2924YASMFLAGS=$YASMFLAGS
2925BUILDSUF=$build_suffix
2926FULLNAME=$FULLNAME
2927LIBPREF=$LIBPREF
2928LIBSUF=$LIBSUF
2929LIBNAME=$LIBNAME
2930SLIBPREF=$SLIBPREF
2931SLIBSUF=$SLIBSUF
2932EXESUF=$EXESUF
2933EXTRA_VERSION=$extra_version
2934DEPFLAGS=$DEPFLAGS
2935CCDEP=$CCDEP
2936ASDEP=$ASDEP
2937CC_DEPFLAGS=$CC_DEPFLAGS
2938AS_DEPFLAGS=$AS_DEPFLAGS
2939HOSTCC=$host_cc
2940HOSTCFLAGS=$host_cflags
2941HOSTEXESUF=$HOSTEXESUF
2942HOSTLDFLAGS=$host_ldflags
2943HOSTLIBS=$host_libs
2944TARGET_EXEC=$target_exec
2945TARGET_PATH=$target_path
2946SDL_LIBS=$sdl_libs
2947SDL_CFLAGS=$sdl_cflags
2948LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2949EXTRALIBS=$extralibs
fd676deb 2950INSTALL=install
1afc4750
MR
2951LIBTARGET=${LIBTARGET}
2952SLIBNAME=${SLIBNAME}
2953SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2954SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2955SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2956SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2957SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2958SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 2959SAMPLES=$samples
173c983b 2960EOF
5a872801 2961
719c8e00
MR
2962get_version(){
2963 name=$1
2964 file=$source_path/$2
147e7692
MR
2965 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2966 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2967 lcname=$(tolower $name)
2968 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2969 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2970}
2971
147e7692
MR
2972get_version LIBSWSCALE libswscale/swscale.h
2973get_version LIBPOSTPROC libpostproc/postprocess.h
2974get_version LIBAVCODEC libavcodec/avcodec.h
2975get_version LIBAVDEVICE libavdevice/avdevice.h
2976get_version LIBAVFORMAT libavformat/avformat.h
2977get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2978get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2979
173c983b
MR
2980cat > $TMPH <<EOF
2981/* Automatically generated by configure - do not modify! */
2982#ifndef FFMPEG_CONFIG_H
2983#define FFMPEG_CONFIG_H
2984#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 2985#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
2986#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2987#define CC_TYPE "$cc_type"
2988#define CC_VERSION $cc_version
2989#define restrict $_restrict
42719e20 2990#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
173c983b
MR
2991#define EXTERN_PREFIX "${extern_prefix}"
2992#define EXTERN_ASM ${extern_prefix}
2993EOF
523ef551 2994
4ae40685
MR
2995test -n "$malloc_prefix" &&
2996 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
2997
523ef551 2998if enabled small || disabled optimizations; then
9a894c48 2999 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3000 echo "#define av_always_inline" >> $TMPH
3001fi
3002
3d907e22
MR
3003print_config ARCH_ $TMPH config.mak $ARCH_LIST
3004print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3005print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3006 $CONFIG_EXTRA \
7483e694
DB
3007 $DECODER_LIST \
3008 $ENCODER_LIST \
5666fd73 3009 $HWACCEL_LIST \
7483e694
DB
3010 $PARSER_LIST \
3011 $BSF_LIST \
3012 $DEMUXER_LIST \
3013 $MUXER_LIST \
f7679c54 3014 $FILTER_LIST \
7483e694
DB
3015 $PROTOCOL_LIST \
3016 $INDEV_LIST \
3017 $OUTDEV_LIST \
8ac17293 3018
9c05103f 3019echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3020echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3021
b7860763 3022# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3023cp_if_changed $TMPH config.h
3d204385 3024
a3e02a8c
MR
3025cat > $TMPH <<EOF
3026/* Generated by ffconf */
3027#ifndef AVUTIL_AVCONFIG_H
3028#define AVUTIL_AVCONFIG_H
3029EOF
3030
3031print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3032
3033echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3034
3035cp_if_changed $TMPH libavutil/avconfig.h
3036
7bfc8ae6
MR
3037test -n "$WARNINGS" && printf "\n$WARNINGS"
3038
d0674868 3039# build pkg-config files
def4272a 3040
d0674868
DB
3041pkgconfig_generate(){
3042name=$1
b0dfd108 3043shortname=${name#lib}${build_suffix}
d0674868
DB
3044comment=$2
3045version=$3
3046libs=$4
3047requires=$5
25cd5cb3 3048cat <<EOF > $name/$name.pc
3e89171a 3049prefix=$prefix
a94e666c 3050exec_prefix=\${prefix}
f2b7382c 3051libdir=$libdir
7622778e 3052includedir=$incdir
def4272a 3053
d0674868
DB
3054Name: $name
3055Description: $comment
3056Version: $version
8cd6b388 3057Requires: $(enabled shared || echo $requires)
5dcfe9f8 3058Requires.private: $(enabled shared && echo $requires)
def4272a 3059Conflicts:
8cd6b388 3060Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3061Libs.private: $(enabled shared && echo $libs)
76a448ed 3062Cflags: -I\${includedir}
def4272a 3063EOF
25cd5cb3 3064cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3065prefix=
3066exec_prefix=
46d1ff83 3067libdir=\${pcfiledir}
1d44d365 3068includedir=${source_path}
def4272a 3069
d0674868
DB
3070Name: $name
3071Description: $comment
3072Version: $version
3073Requires: $requires
def4272a 3074Conflicts:
12701f6e 3075Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3076Cflags: -I\${includedir}
3077EOF
d0674868 3078}
def4272a 3079
e426941d 3080pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3081pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3082pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3083pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3084enabled avfilter &&
46983309 3085 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3086enabled postproc &&
e426941d 3087 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3088pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"