tta: replace potentially huge VLAs with malloc/free in context
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
f57620d5
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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 "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
74c53c2d 57show_help(){
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58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
19bd477d 64 --logfile=FILE log tests and output to FILE [config.log]
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65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
336ce917 85 --disable-ffprobe disable ffprobe build
06454877 86 --disable-ffserver disable ffserver build
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87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
06454877 91 --enable-postproc enable GPLed postprocessing support [no]
cccc039f 92 --disable-avfilter disable video filter support [no]
06454877 93 --enable-avfilter-lavf video filters dependent on avformat [no]
0dbfc1db 94 --disable-pthreads disable pthreads [auto]
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95 --enable-w32threads use Win32 threads [no]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
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98 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101 --disable-fastdiv disable table-based division
102 --enable-small optimize for size instead of speed
103 --disable-aandct disable AAN DCT code
7f3f5f46 104 --disable-dct disable DCT code
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105 --disable-fft disable FFT code
106 --disable-golomb disable Golomb code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --disable-vaapi disable VAAPI code
111 --disable-vdpau disable VDPAU code
92c6a099 112 --disable-dxva2 disable DXVA2 code
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113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --enable-memalign-hack emulate memalign, interferes with memory debuggers
bb55e3a3 116 --disable-everything disable all components listed below
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117 --disable-encoder=NAME disable encoder NAME
118 --enable-encoder=NAME enable encoder NAME
119 --disable-encoders disable all encoders
120 --disable-decoder=NAME disable decoder NAME
121 --enable-decoder=NAME enable decoder NAME
122 --disable-decoders disable all decoders
123 --disable-hwaccel=NAME disable hwaccel NAME
124 --enable-hwaccel=NAME enable hwaccel NAME
125 --disable-hwaccels disable all hwaccels
126 --disable-muxer=NAME disable muxer NAME
127 --enable-muxer=NAME enable muxer NAME
128 --disable-muxers disable all muxers
129 --disable-demuxer=NAME disable demuxer NAME
130 --enable-demuxer=NAME enable demuxer NAME
131 --disable-demuxers disable all demuxers
132 --enable-parser=NAME enable parser NAME
133 --disable-parser=NAME disable parser NAME
134 --disable-parsers disable all parsers
135 --enable-bsf=NAME enable bitstream filter NAME
136 --disable-bsf=NAME disable bitstream filter NAME
137 --disable-bsfs disable all bitstream filters
138 --enable-protocol=NAME enable protocol NAME
139 --disable-protocol=NAME disable protocol NAME
140 --disable-protocols disable all protocols
141 --disable-indev=NAME disable input device NAME
142 --disable-outdev=NAME disable output device NAME
143 --disable-indevs disable input devices
144 --disable-outdevs disable output devices
145 --disable-devices disable all devices
146 --enable-filter=NAME enable filter NAME
147 --disable-filter=NAME disable filter NAME
148 --disable-filters disable all filters
149 --list-decoders show all available decoders
150 --list-encoders show all available encoders
151 --list-hwaccels show all available hardware accelerators
152 --list-muxers show all available muxers
153 --list-demuxers show all available demuxers
154 --list-parsers show all available parsers
155 --list-protocols show all available protocols
156 --list-bsfs show all available bitstream filters
157 --list-indevs show all available input devices
158 --list-outdevs show all available output devices
159 --list-filters show all available filters
160
161External library support:
162 --enable-avisynth enable reading of AVISynth script files [no]
163 --enable-bzlib enable bzlib [autodetect]
164 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
167 and libraw1394 [no]
168 --enable-libdirac enable Dirac support via libdirac [no]
169 --enable-libfaac enable FAAC support via libfaac [no]
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170 --enable-libgsm enable GSM support via libgsm [no]
171 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
172 --enable-libnut enable NUT (de)muxing via libnut,
173 native (de)muxer exists [no]
174 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
0f943ce6 175 --enable-librtmp enable RTMP[E] support via librtmp [no]
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176 --enable-libschroedinger enable Dirac support via libschroedinger [no]
177 --enable-libspeex enable Speex decoding via libspeex [no]
178 --enable-libtheora enable Theora encoding via libtheora [no]
179 --enable-libvorbis enable Vorbis encoding via libvorbis,
180 native implementation exists [no]
8299a7f8 181 --enable-libvpx enable VP8 support via libvpx [no]
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182 --enable-libx264 enable H.264 encoding via x264 [no]
183 --enable-libxvid enable Xvid encoding via xvidcore,
184 native MPEG-4/Xvid encoder exists [no]
185 --enable-mlib enable Sun medialib [no]
186 --enable-zlib enable zlib [autodetect]
187
188Advanced options (experts only):
189 --source-path=PATH path to source code [$source_path]
190 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
191 --enable-cross-compile assume a cross-compiler is used
192 --sysroot=PATH root of cross-build tree
193 --sysinclude=PATH location of cross-build system headers
194 --target-os=OS compiler targets OS [$target_os]
195 --target-exec=CMD command to run executables on target
196 --target-path=DIR path to view of build directory on target
197 --nm=NM use nm tool
121d78d0 198 --ar=AR use archive tool AR [$ar_default]
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199 --as=AS use assembler AS [$as_default]
200 --cc=CC use C compiler CC [$cc_default]
201 --ld=LD use linker LD
202 --host-cc=HOSTCC use host C compiler HOSTCC
203 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
204 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
205 --host-libs=HLIBS use libs HLIBS when linking for host
206 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
207 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208 --extra-libs=ELIBS add ELIBS [$ELIBS]
209 --extra-version=STRING version string suffix []
210 --build-suffix=SUFFIX library name suffix []
211 --arch=ARCH select architecture [$arch]
212 --cpu=CPU select the minimum required CPU (affects
213 instruction selection, may crash on older CPUs)
214 --enable-powerpc-perf enable performance report on PPC
215 (requires enabling PMC)
c8a4ae00 216 --disable-asm disable all assembler optimizations
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217 --disable-altivec disable AltiVec optimizations
218 --disable-amd3dnow disable 3DNow! optimizations
219 --disable-amd3dnowext disable 3DNow! extended optimizations
220 --disable-mmx disable MMX optimizations
221 --disable-mmx2 disable MMX2 optimizations
222 --disable-sse disable SSE optimizations
223 --disable-ssse3 disable SSSE3 optimizations
224 --disable-armv5te disable armv5te optimizations
225 --disable-armv6 disable armv6 optimizations
226 --disable-armv6t2 disable armv6t2 optimizations
227 --disable-armvfp disable ARM VFP optimizations
228 --disable-iwmmxt disable iwmmxt optimizations
229 --disable-mmi disable MMI optimizations
230 --disable-neon disable neon optimizations
231 --disable-vis disable VIS optimizations
232 --disable-yasm disable use of yasm assembler
233 --enable-pic build position-independent code
4ae40685 234 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 235 --enable-sram allow use of on-chip SRAM
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236
237Developer options (useful when working on FFmpeg itself):
238 --disable-debug disable debugging symbols
239 --enable-debug=LEVEL set the debug level [$debuglevel]
240 --enable-gprof enable profiling with gprof [$gprof]
241 --disable-optimizations disable compiler optimizations
242 --enable-extra-warnings enable more compiler warnings
243 --disable-stripping disable stripping of executables and shared libraries
2fad0977 244 --samples=PATH location of test samples for FATE
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245
246NOTE: Object files are built at the place where configure is launched.
247EOF
60e8bc13 248 exit 0
74c53c2d 249}
cf9d24ad 250
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251quotes='""'
252
57bd82d4 253log(){
2270b4b2 254 echo "$@" >> $logfile
57bd82d4
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255}
256
720c69da 257log_file(){
c8e9f801 258 log BEGIN $1
2270b4b2 259 pr -n -t $1 >> $logfile
c8e9f801
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260 log END $1
261}
262
2ba042a7 263echolog(){
c8e9f801 264 log "$@"
57bd82d4 265 echo "$@"
2ba042a7
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266}
267
268die(){
269 echolog "$@"
270 cat <<EOF
d326cf7f 271
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272If you think configure made a mistake, make sure you are using the latest
273version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 274ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 275EOF
e155a21a 276 if disabled logging; then
2ba042a7 277 cat <<EOF
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278Rerun configure with logging enabled (do not use --disable-logging), and
279include the log this produces with your report.
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280EOF
281 else
282cat <<EOF
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283Include the log file "$logfile" produced by configure as this will help
284solving the problem.
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285EOF
286 fi
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287 exit 1
288}
289
6c6007d6 290# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 291toupper(){
6c6007d6 292 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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293}
294
4a5444db 295tolower(){
6c6007d6 296 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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297}
298
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299c_escape(){
300 echo "$*" | sed 's/["\\]/\\\0/g'
301}
302
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303sh_quote(){
304 v=$(echo "$1" | sed "s/'/'\\\\''/g")
305 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
306 echo "$v"
307}
308
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309filter(){
310 pat=$1
311 shift
312 for v; do
98ef6079 313 eval "case $v in $pat) echo $v ;; esac"
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314 done
315}
316
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317map(){
318 m=$1
319 shift
e0e335a0 320 for v; do eval $m; done
36e2dea0
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321}
322
a8d04fba
MR
323set_all(){
324 value=$1
325 shift
326 for var in $*; do
327 eval $var=$value
328 done
329}
330
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331set_weak(){
332 value=$1
333 shift
334 for var; do
335 eval : \${$var:=$value}
336 done
337}
338
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339pushvar(){
340 for var in $*; do
341 eval level=\${${var}_level:=0}
342 eval ${var}_${level}="\$$var"
343 eval ${var}_level=$(($level+1))
344 done
345}
346
347popvar(){
348 for var in $*; do
349 eval level=\${${var}_level:-0}
350 test $level = 0 && continue
351 eval level=$(($level-1))
352 eval $var="\${${var}_${level}}"
353 eval ${var}_level=$level
354 eval unset ${var}_${level}
355 done
356}
357
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358enable(){
359 set_all yes $*
360}
361
362disable(){
363 set_all no $*
364}
365
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366enable_weak(){
367 set_weak yes $*
368}
369
370disable_weak(){
371 set_weak no $*
372}
373
72702705 374enable_safe(){
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375 for var; do
376 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
377 done
72702705
MR
378}
379
380disable_safe(){
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381 for var; do
382 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
383 done
72702705
MR
384}
385
f9d328da
MR
386do_enable_deep(){
387 for var; do
388 enabled $var && continue
389 eval sel="\$${var}_select"
c510c7b5
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390 eval sgs="\$${var}_suggest"
391 pushvar var sgs
f9d328da 392 enable_deep $sel
c510c7b5
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393 popvar sgs
394 enable_deep_weak $sgs
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395 popvar var
396 done
397}
398
399enable_deep(){
400 do_enable_deep $*
401 enable $*
402}
403
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404enable_deep_weak(){
405 do_enable_deep $*
406 enable_weak $*
407}
408
57bd82d4 409enabled(){
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410 test "${1#!}" = "$1" && op== || op=!=
411 eval test "x\$${1#!}" $op "xyes"
44161118
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412}
413
37970ebf 414disabled(){
3250003c
MR
415 test "${1#!}" = "$1" && op== || op=!=
416 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
417}
418
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419enabled_all(){
420 for opt; do
421 enabled $opt || return 1
422 done
423}
424
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DB
425disabled_all(){
426 for opt; do
427 disabled $opt || return 1
428 done
429}
430
44161118
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431enabled_any(){
432 for opt; do
433 enabled $opt && return 0
434 done
435}
436
85bca2c5
DB
437disabled_any(){
438 for opt; do
439 disabled $opt && return 0
440 done
f7b230a7 441 return 1
85bca2c5
DB
442}
443
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444set_default(){
445 for opt; do
88268e94 446 eval : \${$opt:=\$${opt}_default}
c9d19248
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447 done
448}
449
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450is_in(){
451 value=$1
452 shift
453 for var in $*; do
454 [ $var = $value ] && return 0
455 done
456 return 1
457}
458
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459check_deps(){
460 for cfg; do
3250003c 461 cfg="${cfg#!}"
799c9e9b
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462 enabled ${cfg}_checking && die "Circular dependency for $cfg."
463 disabled ${cfg}_checking && continue
464 enable ${cfg}_checking
465
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466 eval dep_all="\$${cfg}_deps"
467 eval dep_any="\$${cfg}_deps_any"
7ef3425f 468 eval dep_sel="\$${cfg}_select"
c510c7b5 469 eval dep_sgs="\$${cfg}_suggest"
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470 eval dep_ifa="\$${cfg}_if"
471 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 472
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473 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
474 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
475 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 476
3d7453e0
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477 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
478 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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479 enabled_all $dep_all || disable $cfg
480 enabled_any $dep_any || disable $cfg
7ef3425f 481 disabled_any $dep_sel && disable $cfg
799c9e9b 482
4ec45764
RP
483 if enabled $cfg; then
484 eval dep_extralibs="\$${cfg}_extralibs"
485 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 486 enable_deep $dep_sel
c510c7b5 487 enable_deep_weak $dep_sgs
4ec45764
RP
488 fi
489
799c9e9b 490 disable ${cfg}_checking
30fd06be
MR
491 done
492}
493
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494print_config(){
495 pfx=$1
496 header=$2
497 makefile=$3
498 shift 3
499 for cfg; do
5e622c40 500 ucname="$(toupper $cfg)"
44161118 501 if enabled $cfg; then
3d907e22 502 echo "#define ${pfx}${ucname} 1" >> $header
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503 echo "${pfx}${ucname}=yes" >> $makefile
504 else
b250f9c6 505 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 506 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
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507 fi
508 done
57bd82d4
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509}
510
511flags_saved(){
2270b4b2 512 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
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513}
514
dcd479c0 515save_flags(){
57bd82d4 516 flags_saved && return
dcd479c0
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517 SAVE_CFLAGS="$CFLAGS"
518 SAVE_LDFLAGS="$LDFLAGS"
519 SAVE_extralibs="$extralibs"
520}
521
522restore_flags(){
f5d28d10 523 flags_saved || return
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524 CFLAGS="$SAVE_CFLAGS"
525 LDFLAGS="$SAVE_LDFLAGS"
526 extralibs="$SAVE_extralibs"
527 unset SAVE_CFLAGS
528 unset SAVE_LDFLAGS
529 unset SAVE_extralibs
530}
531
532temp_cflags(){
533 save_flags
534 CFLAGS="$CFLAGS $*"
535}
536
537temp_ldflags(){
538 save_flags
539 LDFLAGS="$LDFLAGS $*"
540}
541
542temp_extralibs(){
543 save_flags
544 extralibs="$extralibs $*"
545}
546
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547append(){
548 var=$1
549 shift
550 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
551 eval "$var=\"\$$var $*\""
552}
553
50a334e4 554add_cppflags(){
caf458dd 555 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
556}
557
57bd82d4 558add_cflags(){
caf458dd 559 append CFLAGS $($filter_cflags "$@")
57bd82d4
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560}
561
2f2e6c7c 562add_asflags(){
caf458dd 563 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
MR
564}
565
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566add_ldflags(){
567 append LDFLAGS "$@"
568}
569
570add_extralibs(){
571 append extralibs "$@"
572}
573
b0cfb663 574check_cmd(){
b3cb5d51 575 log "$@"
2270b4b2 576 "$@" >> $logfile 2>&1
b0cfb663
MR
577}
578
dcd479c0 579check_cc(){
57bd82d4 580 log check_cc "$@"
2270b4b2 581 cat > $TMPC
720c69da 582 log_file $TMPC
50a334e4 583 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
584}
585
586check_cpp(){
587 log check_cpp "$@"
2270b4b2 588 cat > $TMPC
720c69da 589 log_file $TMPC
9e7f3277 590 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
591}
592
f65883c8
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593check_as(){
594 log check_as "$@"
595 cat > $TMPC
596 log_file $TMPC
2f2e6c7c 597 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
598}
599
940f335a
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600check_asm(){
601 log check_asm "$@"
602 name="$1"
3784e82e 603 code="$2"
940f335a 604 shift 2
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605 disable $name
606 check_as "$@" <<EOF && enable $name
3784e82e 607void foo(void){ __asm__ volatile($code); }
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608EOF
609}
610
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611check_yasm(){
612 log check_yasm "$@"
613 echo "$1" > $TMPS
614 log_file $TMPS
615 shift 1
616 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
617}
618
dcd479c0 619check_ld(){
57bd82d4 620 log check_ld "$@"
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621 flags=''
622 libs=''
623 for f; do
624 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
625 done
2a194acd 626 check_cc $($filter_cflags $flags) || return
684b28e0 627 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
628}
629
50a334e4
MR
630check_cppflags(){
631 log check_cppflags "$@"
caf458dd
MR
632 set -- $($filter_cppflags "$@")
633 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
634int x;
635EOF
636}
637
dcd479c0 638check_cflags(){
57bd82d4 639 log check_cflags "$@"
caf458dd
MR
640 set -- $($filter_cflags "$@")
641 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
642int x;
643EOF
644}
645
2ed46eea
MR
646test_ldflags(){
647 log test_ldflags "$@"
648 check_ld "$@" <<EOF
c23a0ac8 649int main(void){ return 0; }
dcd479c0
MR
650EOF
651}
652
2ed46eea
MR
653check_ldflags(){
654 log check_ldflags "$@"
655 test_ldflags "$@" && add_ldflags "$@"
656}
657
dcd479c0 658check_header(){
57bd82d4 659 log check_header "$@"
dcd479c0
MR
660 header=$1
661 shift
b77df637
MR
662 disable_safe $header
663 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
664#include <$header>
665int x;
666EOF
667}
668
669check_func(){
57bd82d4 670 log check_func "$@"
dcd479c0
MR
671 func=$1
672 shift
d8bc5f06
MR
673 disable $func
674 check_ld "$@" <<EOF && enable $func
dcd479c0 675extern int $func();
c23a0ac8 676int main(void){ $func(); }
dcd479c0
MR
677EOF
678}
679
645d2652 680check_mathfunc(){
6b73c0ae 681 log check_mathfunc "$@"
645d2652
MR
682 func=$1
683 shift
684 disable $func
685 check_ld "$@" <<EOF && enable $func
686#include <math.h>
33bd38db
MR
687float foo(float f) { return $func(f); }
688int main(void){ return 0; }
645d2652
MR
689EOF
690}
691
2446d3d6
DB
692check_func_headers(){
693 log check_func_headers "$@"
f8d7b072
MR
694 headers=$1
695 func=$2
696 shift 2
697 disable $func
698 incs=""
699 for hdr in $headers; do
700 incs="$incs
701#include <$hdr>"
702 done
cd0d9a9d 703 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 704$incs
d6773f56 705int main(int argc, char **argv){
2b2c2a81 706 return (long) $func;
f8d7b072
MR
707}
708EOF
709}
710
a5344cf7
SS
711check_cpp_condition(){
712 log check_cpp_condition "$@"
713 header=$1
714 condition=$2
f855b7b9
MR
715 shift 2
716 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
717#include <$header>
718#if !($condition)
719#error "unsatisfied condition: $condition"
720#endif
721EOF
722}
723
57bd82d4
MR
724check_lib(){
725 log check_lib "$@"
726 header="$1"
727 func="$2"
728 shift 2
fcfcde17
MR
729 temp_extralibs "$@"
730 check_header $header && check_func $func && add_extralibs "$@"
731 err=$?
732 restore_flags
733 return $err
57bd82d4
MR
734}
735
f8d7b072
MR
736check_lib2(){
737 log check_lib2 "$@"
738 headers="$1"
739 func="$2"
740 shift 2
300cde27 741 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
742}
743
dcd479c0 744check_exec(){
2270b4b2 745 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
746}
747
7dfef245 748check_exec_crash(){
5e622c40 749 code=$(cat)
7dfef245
MR
750
751 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
752 # are safe but may not be available everywhere. Thus we use
753 # raise(SIGTERM) instead. The check is run in a subshell so we
754 # can redirect the "Terminated" message from the shell. SIGBUS
755 # is not defined by standard C so it is used conditionally.
756
2270b4b2 757 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
758#include <signal.h>
759static void sighandler(int sig){
760 raise(SIGTERM);
761}
e5af4a11 762int main(void){
7dfef245
MR
763 signal(SIGILL, sighandler);
764 signal(SIGFPE, sighandler);
765 signal(SIGSEGV, sighandler);
766#ifdef SIGBUS
767 signal(SIGBUS, sighandler);
768#endif
769 { $code }
770}
771EOF
772}
773
72be9e73
DY
774check_type(){
775 log check_type "$@"
776 headers=$1
777 type=$2
778 shift 2
ae550ce9 779 disable_safe "$type"
72be9e73
DY
780 incs=""
781 for hdr in $headers; do
782 incs="$incs
783#include <$hdr>"
784 done
ae550ce9 785 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
786$incs
787$type v;
788EOF
789}
790
14d36751
MR
791check_struct(){
792 log check_type "$@"
793 headers=$1
794 struct=$2
795 member=$3
796 shift 3
797 disable_safe "${struct}_${member}"
798 incs=""
799 for hdr in $headers; do
800 incs="$incs
801#include <$hdr>"
802 done
803 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
804$incs
805const void *p = &(($struct *)0)->$member;
806EOF
807}
808
57bd82d4
MR
809require(){
810 name="$1"
811 header="$2"
812 func="$3"
813 shift 3
814 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
815}
816
f8d7b072
MR
817require2(){
818 name="$1"
819 headers="$2"
820 func="$3"
821 shift 3
822 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
823}
824
eea50282
MR
825check_foo_config(){
826 cfg=$1
827 pkg=$2
828 header=$3
829 func=$4
830 shift 4
831 disable $cfg
832 check_cmd ${pkg}-config --version
833 err=$?
834 if test "$err" = 0; then
5e622c40
DB
835 temp_cflags $(${pkg}-config --cflags)
836 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
837 check_lib "$@" $header $func && enable $cfg
838 fi
839 return $err
840}
841
f0125de9
MR
842check_host_cc(){
843 log check_host_cc "$@"
844 cat > $TMPC
845 log_file $TMPC
846 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
847}
848
849check_host_cflags(){
850 log check_host_cflags "$@"
851 check_host_cc "$@" <<EOF && append host_cflags "$@"
852int x;
853EOF
854}
855
c505dd31
MR
856apply(){
857 file=$1
858 shift
859 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
860}
861
c34681df
MR
862cp_if_changed(){
863 cmp -s "$1" "$2" &&
864 echo "$2 is unchanged" ||
865 cp -f "$1" "$2"
866}
867
dcd61286
DB
868# CONFIG_LIST contains configurable options, while HAVE_LIST is for
869# system-dependent things.
870
4a0d6686
AJ
871COMPONENT_LIST="
872 bsfs
873 decoders
874 demuxers
875 encoders
3cde40aa 876 filters
5666fd73 877 hwaccels
c552605c 878 indevs
4a0d6686 879 muxers
c552605c 880 outdevs
4a0d6686
AJ
881 parsers
882 protocols
883"
884
885CONFIG_LIST="
886 $COMPONENT_LIST
e8ed9b7a 887 aandct
5a0f7131
MR
888 avcodec
889 avdevice
f7679c54
VS
890 avfilter
891 avfilter_lavf
5a0f7131 892 avformat
c88f5d72 893 avisynth
f402916e 894 bzlib
7f3f5f46 895 dct
c73f65d9 896 doc
05aec7bb 897 dwt
92c6a099 898 dxva2
27a9466b 899 fastdiv
c88f5d72
MR
900 ffmpeg
901 ffplay
336ce917 902 ffprobe
c88f5d72 903 ffserver
1848f7d9 904 fft
4f034993 905 golomb
c88f5d72 906 gpl
ecfc4f44 907 gprof
d8d0d0b2 908 gray
4693b031 909 h264dsp
3abe5fbd 910 hardcoded_tables
f7b8bffe 911 libdc1394
690bfceb 912 libdirac
2eed5a46 913 libfaac
c88f5d72 914 libgsm
6ebe07fb 915 libmp3lame
c88f5d72 916 libnut
0b175caa
DB
917 libopencore_amrnb
918 libopencore_amrwb
9a77d59a 919 libopenjpeg
0f943ce6 920 librtmp
f7cd9eed 921 libschroedinger
ae14f311 922 libspeex
150d2772 923 libtheora
c88f5d72 924 libvorbis
8299a7f8 925 libvpx
1cc60c47
DB
926 libx264
927 libxvid
f4d608e3 928 lpc
b781cc12 929 lsp
47a158cb 930 mdct
c88f5d72 931 memalign_hack
a8150374 932 mlib
c88f5d72
MR
933 mpegaudio_hp
934 network
3fe142e2 935 nonfree
8a3c8627 936 pic
4a24ab64 937 postproc
2b4c3615 938 powerpc_perf
68602540 939 rdft
e90f5b5a 940 runtime_cpudetect
2e35e684 941 shared
bd2216e4 942 small
6b35d421 943 sram
2e35e684 944 static
5a0f7131 945 swscale
a9ddb5b1 946 swscale_alpha
17492d5e
DB
947 vaapi
948 vdpau
9cad0e4e 949 version3
56a059ac 950 x11grab
c88f5d72 951 zlib
4a0d6686 952"
c88f5d72 953
8eee7025 954THREADS_LIST='
8eee7025
DB
955 pthreads
956 w32threads
957'
958
3f5b56e5
MR
959ARCH_LIST='
960 alpha
a2fc0f6a 961 arm
fdcd782d
MR
962 avr32
963 avr32_ap
964 avr32_uc
3f5b56e5
MR
965 bfin
966 ia64
967 m68k
968 mips
bae3abb0 969 mips64
3f5b56e5 970 parisc
79cb09b2 971 ppc
34d11b87 972 ppc64
3f5b56e5
MR
973 s390
974 sh4
975 sparc
976 sparc64
0844bae1 977 tomi
3f5b56e5
MR
978 x86
979 x86_32
980 x86_64
981'
982
983ARCH_EXT_LIST='
1ac9331a 984 altivec
3bf96eec 985 amd3dnow
a1ef9f08 986 amd3dnowext
1ac9331a 987 armv5te
edab3048 988 armv6
ab5cb084 989 armv6t2
f55b299a 990 armvfp
3f5b56e5
MR
991 iwmmxt
992 mmi
993 mmx
d7f0920b 994 mmx2
6b18d278 995 neon
799fde37 996 ppc4xx
1bb04d5a 997 sse
9eeed841 998 ssse3
bd9d34a0 999 vis
3f5b56e5
MR
1000'
1001
a3e02a8c
MR
1002HAVE_LIST_PUB='
1003 bigendian
1004'
1005
3f5b56e5
MR
1006HAVE_LIST="
1007 $ARCH_EXT_LIST
a3e02a8c 1008 $HAVE_LIST_PUB
3f5b56e5 1009 $THREADS_LIST
35fd8122 1010 alsa_asoundlib_h
3f5b56e5 1011 altivec_h
c9fdab0d 1012 arpa_inet_h
dffb41b9 1013 attribute_may_alias
e7ea5e3d 1014 attribute_packed
6bd859d6 1015 bswap
ecf97f22 1016 closesocket
1ac9331a 1017 cmov
e16e49ac 1018 conio_h
c88f5d72 1019 dcbzl
f8aa696f
DB
1020 dev_bktr_ioctl_bt848_h
1021 dev_bktr_ioctl_meteor_h
1022 dev_ic_bt8xx_h
1023 dev_video_meteor_ioctl_meteor_h
1024 dev_video_bktr_ioctl_bt848_h
18b67ae5 1025 dlfcn_h
c88f5d72 1026 dlopen
bc574408 1027 dos_paths
245626d0
DB
1028 ebp_available
1029 ebx_available
6b7c7703
VS
1030 exp2
1031 exp2f
c2a29455 1032 fast_64bit
669b5583 1033 fast_clz
7073e9fc 1034 fast_cmov
7b829d2a 1035 fast_unaligned
9d99cc5a 1036 fork
84882df6 1037 getaddrinfo
da9e86f8 1038 gethrtime
fc5607f8 1039 GetProcessMemoryInfo
4e68cb8a 1040 GetProcessTimes
66be5b45 1041 getrusage
fc5607f8 1042 struct_rusage_ru_maxrss
2e1913b1 1043 inet_aton
61d251db 1044 inline_asm
abfc8d05 1045 isatty
9f5ff83f 1046 ldbrx
0b4a1821
AS
1047 libdc1394_1
1048 libdc1394_2
a33cab3a 1049 llrint
07876e25 1050 llrintf
d96cd429
MR
1051 local_aligned_16
1052 local_aligned_8
291fd18a 1053 log2
6b7c7703 1054 log2f
85dd97ad 1055 loongson
a33cab3a 1056 lrint
c88f5d72 1057 lrintf
e4673692 1058 lzo1x_999_compress
f8aa696f
DB
1059 machine_ioctl_bt848_h
1060 machine_ioctl_meteor_h
c88f5d72
MR
1061 malloc_h
1062 memalign
6ffa87d3 1063 mkstemp
b4e806b2 1064 pld
1f91cdce 1065 posix_memalign
a33cab3a
MK
1066 round
1067 roundf
c88f5d72
MR
1068 sdl
1069 sdl_video_size
b507ebd1 1070 setmode
72be9e73 1071 socklen_t
deb29777 1072 soundcard_h
f8cda19e 1073 poll_h
0104b608 1074 setrlimit
87958234 1075 strerror_r
c0018613 1076 struct_addrinfo
b4d68544
MS
1077 struct_ipv6_mreq
1078 struct_sockaddr_in6
3b2372bf 1079 struct_sockaddr_sa_len
33a4dbdd 1080 struct_sockaddr_storage
b462d132
MR
1081 symver
1082 symver_gnu_asm
1083 symver_asm_label
b58412f1 1084 sys_mman_h
b091aa44 1085 sys_resource_h
81644c2e 1086 sys_select_h
deb29777 1087 sys_soundcard_h
1b6e8b73 1088 sys_videoio_h
d3a4b4e0 1089 ten_operands
e16e49ac 1090 termios_h
b265431e 1091 threads
7b04b8a0 1092 truncf
ce742de2 1093 vfp_args
7c5bfe7a 1094 VirtualAlloc
6ff3f3e7 1095 winsock2_h
cc078b5d 1096 xform_asm
304d586d 1097 yasm
0cb78cef 1098"
44161118 1099
b6bb00b0
MR
1100# options emitted with CONFIG_ prefix but not available on command line
1101CONFIG_EXTRA="
dc4f5a1c 1102 avutil
9cad0e4e
DB
1103 gplv3
1104 lgplv3
b6bb00b0
MR
1105"
1106
520cc7f1 1107CMDLINE_SELECT="
3f5b56e5 1108 $ARCH_EXT_LIST
520cc7f1 1109 $CONFIG_LIST
8eee7025 1110 $THREADS_LIST
c8a4ae00 1111 asm
db6107b6 1112 cross_compile
520cc7f1
MR
1113 debug
1114 extra_warnings
8c6afa4d 1115 logging
d2bbb2f7 1116 optimizations
87a0fb62 1117 stripping
7595a5e4 1118 yasm
520cc7f1 1119"
426be5dc
DB
1120
1121PATHS_LIST='
d156bede 1122 bindir
14a8acf1 1123 datadir
26759c44
MR
1124 incdir
1125 libdir
26759c44
MR
1126 mandir
1127 prefix
1128 shlibdir
426be5dc
DB
1129'
1130
1131CMDLINE_SET="
1132 $PATHS_LIST
121d78d0 1133 ar
426be5dc 1134 arch
313c46a6 1135 as
426be5dc
DB
1136 build_suffix
1137 cc
1138 cpu
1139 cross_prefix
50567afa 1140 dep_cc
ac63af34 1141 extra_version
9da6609f
MR
1142 host_cc
1143 host_cflags
1144 host_ldflags
1145 host_libs
82bb3329 1146 host_os
684b28e0 1147 ld
426be5dc 1148 logfile
4ae40685 1149 malloc_prefix
89641463 1150 nm
2fad0977 1151 samples
26759c44 1152 source_path
4f837398 1153 strip
c5200f17
MR
1154 sysinclude
1155 sysroot
a7ada2ba 1156 target_exec
26759c44 1157 target_os
a7ada2ba 1158 target_path
426be5dc 1159"
520cc7f1 1160
89f2932b
MR
1161CMDLINE_APPEND="
1162 extra_cflags
1163"
1164
912f3148
DB
1165# code dependency declarations
1166
9eeed841 1167# architecture extensions
808fa33c 1168
a2fc0f6a
MR
1169armv5te_deps="arm"
1170armv6_deps="arm"
ab5cb084 1171armv6t2_deps="arm"
a2fc0f6a
MR
1172armvfp_deps="arm"
1173iwmmxt_deps="arm"
808fa33c
MR
1174neon_deps="arm"
1175
e241ba14 1176mmi_deps="mips"
808fa33c
MR
1177
1178altivec_deps="ppc"
1179ppc4xx_deps="ppc"
1180
1181vis_deps="sparc"
1182
7f8c3d1f 1183x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1184amd3dnow_deps="mmx"
1185amd3dnowext_deps="amd3dnow"
9eeed841 1186mmx_deps="x86"
75aa95a6 1187mmx2_deps="mmx"
75aa95a6
DB
1188sse_deps="mmx"
1189ssse3_deps="sse"
9eeed841 1190
e939cedd 1191fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1192fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1193fast_unaligned_if_any="armv6 ppc x86"
669b5583 1194
89e053f8 1195need_memalign="altivec neon sse"
6fec122a 1196inline_asm_deps="!tms470"
89e053f8 1197
b462d132
MR
1198symver_if_any="symver_asm_label symver_gnu_asm"
1199
26fbcc85
MR
1200# subsystems
1201mdct_select="fft"
1202rdft_select="fft"
1203
5666fd73 1204# decoders / encoders / hardware accelerators
49351479 1205aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1206aac_encoder_select="mdct"
1207ac3_decoder_select="mdct ac3_parser"
f4d608e3 1208alac_encoder_select="lpc"
b781cc12 1209amrnb_decoder_select="lsp"
084cbbaa 1210atrac1_decoder_select="mdct"
26fbcc85
MR
1211atrac3_decoder_select="mdct"
1212binkaudio_dct_decoder_select="mdct rdft dct"
1213binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1214cavs_decoder_select="golomb"
26fbcc85 1215cook_decoder_select="mdct"
2eef7c62 1216cscd_decoder_suggest="zlib"
26fbcc85 1217dca_decoder_select="mdct"
e8ed9b7a 1218dnxhd_encoder_select="aandct"
2eef7c62 1219dxa_decoder_select="zlib"
baf91bb9 1220eac3_decoder_select="ac3_decoder"
84c04e25 1221eamad_decoder_select="aandct"
e8ed9b7a 1222eatgq_decoder_select="aandct"
d52b39c7 1223eatqi_decoder_select="aandct"
4f034993
MR
1224ffv1_decoder_select="golomb"
1225flac_decoder_select="golomb"
f4d608e3 1226flac_encoder_select="golomb lpc"
2eef7c62
AJ
1227flashsv_decoder_select="zlib"
1228flashsv_encoder_select="zlib"
4414137e 1229flv_decoder_select="h263_decoder"
4d4b4bd1 1230flv_encoder_select="h263_encoder"
e8ed9b7a 1231h261_encoder_select="aandct"
7f647ae0 1232h263_decoder_select="h263_parser"
e8ed9b7a 1233h263_encoder_select="aandct"
95a61cfc 1234h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1235h263i_decoder_select="h263_decoder"
fe629c2d 1236h263p_encoder_select="h263_encoder"
4693b031 1237h264_decoder_select="golomb h264dsp"
92c6a099
LA
1238h264_dxva2_hwaccel_deps="dxva2api_h"
1239h264_dxva2_hwaccel_select="dxva2 h264_decoder"
17492d5e 1240h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1241h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1242imc_decoder_select="fft mdct"
4f034993
MR
1243jpegls_decoder_select="golomb"
1244jpegls_encoder_select="golomb"
e8ed9b7a 1245ljpeg_encoder_select="aandct"
4f034993 1246loco_decoder_select="golomb"
e8ed9b7a 1247mjpeg_encoder_select="aandct"
2cca233b 1248mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1249mpeg1video_encoder_select="aandct"
1250mpeg2video_encoder_select="aandct"
4414137e 1251mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1252mpeg4_encoder_select="h263_encoder"
95a61cfc 1253mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1254mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
164aab02
LA
1255mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1256mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1257mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
95a61cfc 1258mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1259mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1260mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1261mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1262msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1263msmpeg4v1_encoder_select="h263_encoder"
4414137e 1264msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1265msmpeg4v2_encoder_select="h263_encoder"
4414137e 1266msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1267msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1268nellymoser_decoder_select="mdct"
1269nellymoser_encoder_select="mdct"
2eef7c62
AJ
1270png_decoder_select="zlib"
1271png_encoder_select="zlib"
b781cc12 1272qcelp_decoder_select="lsp"
26fbcc85 1273qdm2_decoder_select="mdct rdft"
31ed3f1f 1274ra_144_encoder_select="lpc"
a8beb22f 1275rv10_decoder_select="h263_decoder"
b2bf38b4 1276rv10_encoder_select="h263_encoder"
a8beb22f 1277rv20_decoder_select="h263_decoder"
b2bf38b4 1278rv20_encoder_select="h263_encoder"
4693b031
MR
1279rv30_decoder_select="golomb h264dsp"
1280rv40_decoder_select="golomb h264dsp"
4f034993 1281shorten_decoder_select="golomb"
b781cc12 1282sipr_decoder_select="lsp"
05aec7bb
MR
1283snow_decoder_select="dwt"
1284snow_encoder_select="aandct dwt"
4f034993
MR
1285sonic_decoder_select="golomb"
1286sonic_encoder_select="golomb"
1287sonic_ls_encoder_select="golomb"
19ecfb8a 1288svq1_encoder_select="aandct"
4693b031 1289svq3_decoder_select="golomb h264dsp"
bee2eac5 1290svq3_decoder_suggest="zlib"
4eef77c1 1291theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1292tiff_decoder_suggest="zlib"
1293tiff_encoder_suggest="zlib"
aec09a00 1294truehd_decoder_select="mlp_decoder"
2eef7c62 1295tscc_decoder_select="zlib"
b781cc12 1296twinvq_decoder_select="mdct lsp"
f95bfab0 1297vc1_decoder_select="h263_decoder"
9104cd51 1298vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1299vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1300vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1301vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1302vorbis_decoder_select="mdct"
1303vorbis_encoder_select="mdct"
e82dc4c9
DB
1304vp6a_decoder_select="vp6_decoder"
1305vp6f_decoder_select="vp6_decoder"
084cbbaa 1306wmapro_decoder_select="mdct"
26fbcc85
MR
1307wmav1_decoder_select="mdct"
1308wmav1_encoder_select="mdct"
1309wmav2_decoder_select="mdct"
1310wmav2_encoder_select="mdct"
005ad8a0 1311wmavoice_decoder_select="lsp rdft dct"
f95bfab0 1312wmv1_decoder_select="h263_decoder"
665507aa 1313wmv1_encoder_select="h263_encoder"
f95bfab0 1314wmv2_decoder_select="h263_decoder"
1746e2a9 1315wmv2_encoder_select="h263_encoder"
015f8ee0 1316wmv3_decoder_select="vc1_decoder"
f0f86627 1317wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1318wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1319wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1320zlib_decoder_select="zlib"
1321zlib_encoder_select="zlib"
1322zmbv_decoder_select="zlib"
1323zmbv_encoder_select="zlib"
30fd06be 1324
0afab17e 1325vaapi_deps="va_va_h"
c89c96e9
MR
1326vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1327
28b80940 1328# parsers
4693b031 1329h264_parser_select="golomb h264dsp"
28b80940 1330
f1e94694
DB
1331# bitstream_filters
1332aac_adtstoasc_bsf_select="aac_parser"
1333
912f3148 1334# external libraries
1b71f045 1335libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1336libdirac_encoder_deps="libdirac"
c9171a83 1337libfaac_encoder_deps="libfaac"
299c77d5
MR
1338libgsm_decoder_deps="libgsm"
1339libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1340libgsm_ms_decoder_deps="libgsm"
1341libgsm_ms_encoder_deps="libgsm"
1cc60c47 1342libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1343libopencore_amrnb_decoder_deps="libopencore_amrnb"
1344libopencore_amrnb_encoder_deps="libopencore_amrnb"
1345libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1346libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1347libschroedinger_decoder_deps="libschroedinger"
1348libschroedinger_encoder_deps="libschroedinger"
ae14f311 1349libspeex_decoder_deps="libspeex"
150d2772 1350libtheora_encoder_deps="libtheora"
b0caf888 1351libvorbis_encoder_deps="libvorbis"
8299a7f8 1352libvpx_decoder_deps="libvpx"
ee0e9146 1353libvpx_encoder_deps="libvpx"
1cc60c47
DB
1354libx264_encoder_deps="libx264"
1355libxvid_encoder_deps="libxvid"
30fd06be 1356
912f3148 1357# demuxers / muxers
03a76ba9 1358ac3_demuxer_deps="ac3_parser"
647c2356 1359asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1360avisynth_demuxer_deps="avisynth"
1361dirac_demuxer_deps="dirac_parser"
5b423887 1362eac3_demuxer_select="ac3_parser"
647c2356 1363ipod_muxer_select="mov_muxer"
4e622dea
SS
1364libnut_demuxer_deps="libnut"
1365libnut_muxer_deps="libnut"
647c2356 1366matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1367matroska_demuxer_suggest="zlib bzlib"
1368mov_demuxer_suggest="zlib"
1369mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1370mp4_muxer_select="mov_muxer"
1371mpegtsraw_demuxer_select="mpegts_demuxer"
1372mxf_d10_muxer_select="mxf_muxer"
24ca518b 1373ogg_demuxer_select="golomb"
647c2356 1374psp_muxer_select="mov_muxer"
4e622dea 1375rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1376rtsp_muxer_deps="sdp_demuxer"
1377rtsp_muxer_select="rtp_muxer"
4e622dea 1378sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1379sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1380spdif_muxer_select="aac_parser"
647c2356
DB
1381tg2_muxer_select="mov_muxer"
1382tgp_muxer_select="mov_muxer"
6bdaa5f4 1383w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1384
1385# indevs / outdevs
38e54a75
SS
1386alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1387alsa_indev_extralibs="-lasound"
1388alsa_outdev_deps="alsa_asoundlib_h"
1389alsa_outdev_extralibs="-lasound"
38e54a75 1390bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1391dv1394_indev_deps="dv1394 dv_demuxer"
1392jack_indev_deps="jack_jack_h"
1393jack_indev_extralibs="-ljack"
1394libdc1394_indev_deps="libdc1394"
38e54a75
SS
1395oss_indev_deps_any="soundcard_h sys_soundcard_h"
1396oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1397v4l_indev_deps="linux_videodev_h"
1398v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1399vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1400vfwcap_indev_extralibs="-lavicap32"
38e54a75 1401x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1402x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1403
912f3148 1404# protocols
3fff6382 1405gopher_protocol_deps="network"
c08fb000 1406http_protocol_deps="network"
279a0c97 1407http_protocol_select="tcp_protocol"
b4cf3f6c 1408mmst_protocol_deps="network"
deeb7012
MS
1409rtmp_protocol_select="tcp_protocol"
1410rtp_protocol_select="udp_protocol"
c08fb000
AB
1411tcp_protocol_deps="network"
1412udp_protocol_deps="network"
1413
f7679c54 1414# filters
81124ba0 1415movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1416avfilter_lavf_deps="avformat"
1417
1418# libraries
1419avdevice_deps="avcodec avformat"
1420avformat_deps="avcodec"
f7679c54 1421
912f3148 1422# programs
5a0f7131 1423ffmpeg_deps="avcodec avformat swscale"
21ae6790 1424ffmpeg_select="buffer_filter"
5a0f7131 1425ffplay_deps="avcodec avformat swscale sdl"
43689902 1426ffplay_select="rdft"
336ce917 1427ffprobe_deps="avcodec avformat"
5a0f7131 1428ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1429ffserver_extralibs='$ldl'
a2830dca 1430
c73f65d9 1431doc_deps="texi2html"
912f3148 1432
de6d9b64 1433# default parameters
8a608357 1434
19bd477d 1435logfile="config.log"
8a608357
MR
1436
1437# installation paths
c9d19248
MR
1438prefix_default="/usr/local"
1439bindir_default='${prefix}/bin'
14a8acf1 1440datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1441incdir_default='${prefix}/include'
1442libdir_default='${prefix}/lib'
1443mandir_default='${prefix}/share/man'
1444shlibdir_default="$libdir_default"
8a608357
MR
1445
1446# toolchain
121d78d0 1447ar_default="ar"
13c7df3d 1448cc_default="gcc"
a3d7c197 1449cc_version=\"unknown\"
9da6609f 1450host_cc_default="gcc"
11e6d03a 1451ln_s="ln -sf"
89641463 1452nm_default="nm"
11e6d03a 1453objformat="elf"
be7109c1 1454ranlib="ranlib"
4f837398 1455strip_default="strip"
11e6d03a 1456yasmexe="yasm"
8a608357 1457
8182dc34
MR
1458nm_opts='-g'
1459
8a608357 1460# machine
8d4c00ed 1461arch_default=$(uname -m)
38d0a8aa 1462cpu="generic"
8a608357 1463
8a608357 1464# OS
8d4c00ed
MR
1465target_os_default=$(tolower $(uname -s))
1466host_os=$target_os_default
8a608357 1467
8a608357 1468# configurable options
5a0f7131
MR
1469enable avcodec
1470enable avdevice
cccc039f 1471enable avfilter
5a0f7131 1472enable avformat
dc4f5a1c 1473enable avutil
c8a4ae00 1474enable asm
497237c7 1475enable debug
c73f65d9 1476enable doc
aa033b1e 1477enable fastdiv
497237c7
RP
1478enable ffmpeg
1479enable ffplay
336ce917 1480enable ffprobe
497237c7 1481enable ffserver
497237c7
RP
1482enable mpegaudio_hp
1483enable network
8400d6b8 1484enable optimizations
497237c7 1485enable protocols
530dc538 1486enable static
87a0fb62 1487enable stripping
5a0f7131 1488enable swscale
a9ddb5b1 1489enable swscale_alpha
8a608357 1490
8a608357 1491# build settings
9987769a 1492SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1493FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1494LIBPREF="lib"
1495LIBSUF=".a"
c5f14466
RP
1496FULLNAME='$(NAME)$(BUILDSUF)'
1497LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1498SLIBPREF="lib"
1499SLIBSUF=".so"
c5f14466 1500SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1501SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1502SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1503LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1504
7e6c86e6
MR
1505CC_O='-o $@'
1506
f0125de9 1507host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1508host_libs='-lm'
1509
9b861379 1510target_path='$(CURDIR)'
a7ada2ba 1511
0d7dca36
DB
1512# gcc stupidly only outputs the basename of targets with -MM, but we need the
1513# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1514DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1515DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1516
c597172e 1517# find source path
5e622c40 1518source_path="$(dirname "$0")"
497237c7 1519enable source_path_used
24524f36 1520if test -f configure; then
5e622c40 1521 source_path="$(pwd)"
497237c7 1522 disable source_path_used
c597172e 1523else
5e622c40 1524 source_path="$(cd "$source_path"; pwd)"
c597172e 1525 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1526 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1527 test -e "$source_path/config.h" &&
1528 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1529fi
1530
13cbe2c0 1531for v in "$@"; do
b04251c5
MR
1532 r=${v#*=}
1533 l=${v%"$r"}
1534 r=$(sh_quote "$r")
13cbe2c0
MR
1535 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1536done
c597172e 1537
73ef8980
MR
1538find_things(){
1539 thing=$1
1540 pattern=$2
1541 file=$source_path/$3
932ccf39 1542 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1543}
1544
1545ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1546DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1547HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1548PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1549BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1550MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1551DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1552OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1553INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1554PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1555FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1556
8469ae22
MR
1557for n in $COMPONENT_LIST; do
1558 v=$(toupper ${n%s})_LIST
1559 eval enable \$$v
1560 eval ${n}_if_any="\$$v"
1561done
1562
1563enable $ARCH_EXT_LIST
c597172e
MR
1564
1565die_unknown(){
1566 echo "Unknown option \"$1\"."
1567 echo "See $0 --help for available options."
1568 exit 1
1569}
1570
794f8e97 1571show_list() {
bf0c4afa
RP
1572 suffix=_$1
1573 shift
2b444ea7 1574 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1575 exit 0
1576}
1577
c597172e 1578for opt do
7483e694
DB
1579 optval="${opt#*=}"
1580 case "$opt" in
0f010b2f 1581 --extra-ldflags=*) add_ldflags $optval
7483e694 1582 ;;
0f010b2f 1583 --extra-libs=*) add_extralibs $optval
7483e694 1584 ;;
8fb1cb58 1585 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1586 ;;
40bcf4c7
BL
1587 --enable-debug=*) debuglevel="$optval"
1588 ;;
36e2dea0 1589 --disable-everything)
e0e335a0 1590 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1591 ;;
7483e694 1592 --enable-*=*|--disable-*=*)
8b93ddc3 1593 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1594 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1595 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1596 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1597 $action $(filter "$name" $list)
7483e694
DB
1598 ;;
1599 --enable-?*|--disable-?*)
5e622c40 1600 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1601 if is_in $option $COMPONENT_LIST; then
fed5d54b 1602 test $action = disable && action=unset
e3773a55
MR
1603 eval $action \$$(toupper ${option%s})_LIST
1604 elif is_in $option $CMDLINE_SELECT; then
1605 $action $option
1606 else
1607 die_unknown $opt
1608 fi
7483e694
DB
1609 ;;
1610 --list-*)
1611 NAME="${opt#--list-}"
1612 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1613 NAME=${NAME%s}
1614 eval show_list $NAME \$$(toupper $NAME)_LIST
1615 ;;
1616 --help|-h) show_help
1617 ;;
1618 *)
884a36a7 1619 optname="${opt%%=*}"
26759c44
MR
1620 optname="${optname#--}"
1621 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1622 if is_in $optname $CMDLINE_SET; then
1623 eval $optname='$optval'
1624 elif is_in $optname $CMDLINE_APPEND; then
1625 append $optname "$optval"
1626 else
1627 die_unknown $opt
1628 fi
7483e694
DB
1629 ;;
1630 esac
c597172e
MR
1631done
1632
bcea99bb
MR
1633disabled logging && logfile=/dev/null
1634
13cbe2c0 1635echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1636set >> $logfile
1637
9da6609f
MR
1638test -n "$cross_prefix" && enable cross_compile
1639
8d4c00ed
MR
1640if enabled cross_compile; then
1641 test -n "$arch" && test -n "$target_os" ||
1642 die "Must specify target arch and OS when cross-compiling"
1643fi
1644
1645set_default arch target_os
1646
121d78d0 1647ar_default="${cross_prefix}${ar_default}"
11e6d03a 1648cc_default="${cross_prefix}${cc_default}"
20e0ed95 1649nm_default="${cross_prefix}${nm_default}"
adb2b908 1650ranlib="${cross_prefix}${ranlib}"
4f837398 1651strip_default="${cross_prefix}${strip_default}"
adb2b908 1652
c5200f17
MR
1653sysinclude_default="${sysroot}/usr/include"
1654
4f837398 1655set_default cc nm strip sysinclude
9da6609f
MR
1656enabled cross_compile || host_cc_default=$cc
1657set_default host_cc
13c7df3d 1658
82bb3329
MR
1659exesuf() {
1660 case $1 in
1661 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1662 esac
1663}
1664
1665EXESUF=$(exesuf $target_os)
1666HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1667
e4e69e0b 1668# set temporary file name
a49d42c2 1669: ${TMPDIR:=$TEMPDIR}
c51fafa1 1670: ${TMPDIR:=$TMP}
a49d42c2 1671: ${TMPDIR:=/tmp}
e4e69e0b 1672
54460a83
MR
1673if ! check_cmd type mktemp; then
1674 # simple replacement for missing mktemp
1675 # NOT SAFE FOR GENERAL USE
1676 mktemp(){
1677 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1678 }
1679fi
1680
1681tmpfile(){
1682 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1683 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1684 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1685 append TMPFILES $tmp
1686 eval $1=$tmp
1687}
1688
1689trap 'rm -f -- $TMPFILES' EXIT
1690trap exit HUP INT TERM
1691
1692tmpfile TMPC .c
1693tmpfile TMPE $EXESUF
1694tmpfile TMPH .h
1695tmpfile TMPO .o
1696tmpfile TMPS .S
a482e61b 1697tmpfile TMPV .ver
54460a83
MR
1698tmpfile TMPSH .sh
1699
1700unset -f mktemp
e4e69e0b 1701
993f2d0f
MR
1702# make sure we can execute files in $TMPDIR
1703cat > $TMPSH 2>> $logfile <<EOF
1704#! /bin/sh
1705EOF
1706chmod +x $TMPSH >> $logfile 2>&1
1707if ! $TMPSH >> $logfile 2>&1; then
1708 cat <<EOF
1709Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1710variable to another directory and make sure that it is not mounted noexec.
1711EOF
1712 die "Sanity test failed."
1713fi
993f2d0f 1714
19b4c628
MR
1715filter_cflags=echo
1716filter_cppflags=echo
1717filter_asflags=echo
1718
8f0c157a 1719if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1720 cc_type=gcc
a3d7c197 1721 cc_version=__VERSION__
aef6bd1b
MR
1722 if ! $cc -dumpversion | grep -q '^2\.'; then
1723 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1724 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1725 fi
14ca9cd0
MR
1726 speed_cflags='-O3'
1727 size_cflags='-Os'
629687f6
MR
1728elif $cc --version 2>/dev/null | grep -q Intel; then
1729 cc_type=icc
6e3fa35d 1730 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1731 CC_DEPFLAGS='-MMD'
1732 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1733 speed_cflags='-O3'
1734 size_cflags='-Os'
b05394a0 1735 noopt_cflags='-O1'
629687f6
MR
1736elif $cc -v 2>&1 | grep -q xlc; then
1737 cc_type=xlc
6e3fa35d 1738 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1739 speed_cflags='-O5'
1740 size_cflags='-O5 -qcompact'
df442a8d
MR
1741elif $cc -V 2>/dev/null | grep -q Compaq; then
1742 cc_type=ccc
6e3fa35d 1743 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1744 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1745 debuglevel=3
df442a8d 1746 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1747 speed_cflags='-fast'
1748 size_cflags='-O1'
6a0d5493 1749elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1750 test -d "$sysroot" || die "No valid sysroot specified."
1751 cc_type=armcc
6e3fa35d 1752 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1753 armcc_conf="$PWD/armcc.conf"
1754 $cc --arm_linux_configure \
1755 --arm_linux_config_file="$armcc_conf" \
1756 --configure_sysroot="$sysroot" \
1757 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1758 die "Error creating armcc configuration file."
1759 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1760 as_default="${cross_prefix}gcc"
07dec06e
MR
1761 CC_DEPFLAGS='-MMD'
1762 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1763 speed_cflags='-O3'
1764 size_cflags='-Os'
6fec122a
MR
1765elif $cc -version 2>/dev/null | grep -q TMS470; then
1766 cc_type=tms470
6e3fa35d 1767 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1768 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1769 CC_O='-fr=$(@D)'
1770 as_default="${cross_prefix}gcc"
1771 ld_default="${cross_prefix}gcc"
6fec122a
MR
1772 TMPO=$(basename $TMPC .c).o
1773 append TMPFILES $TMPO
1774 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1775 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1776 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1777 speed_cflags='-O3 -mf=5'
1778 size_cflags='-O3 -mf=2'
6fec122a
MR
1779 filter_cflags=tms470_flags
1780 tms470_flags(){
1781 for flag; do
1782 case $flag in
1783 -march=*|-mcpu=*)
1784 case "${flag#*=}" in
1785 armv7-a|cortex-a*) echo -mv=7a8 ;;
1786 armv7-r|cortex-r*) echo -mv=7r4 ;;
1787 armv7-m|cortex-m*) echo -mv=7m3 ;;
1788 armv6*|arm11*) echo -mv=6 ;;
1789 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1790 echo -mv=5e ;;
1791 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1792 esac
1793 ;;
1794 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1795 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1796 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1797 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1798 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1799 -g) echo -g -mn ;;
587d24ff 1800 -pds=*) echo $flag ;;
6fec122a
MR
1801 esac
1802 done
1803 }
06da6943
DC
1804elif $cc -v 2>&1 | grep -q clang; then
1805 cc_type=clang
1806 cc_version=__VERSION__
1807 CC_DEPFLAGS='-MMD'
1808 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1809 speed_cflags='-O3'
1810 size_cflags='-Os'
2a472e9c
MK
1811elif $cc -V 2>&1 | grep -q Sun; then
1812 cc_type=suncc
1813 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1814 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1815 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1816 speed_cflags='-O5'
1817 size_cflags='-O5 -xspace'
03279bbe
MK
1818 filter_cflags=suncc_flags
1819 suncc_flags(){
1820 for flag; do
1821 case $flag in
1822 -march=*|-mcpu=*)
1823 case "${flag#*=}" in
1824 native) echo -xtarget=native ;;
87ddc38b 1825 v9|niagara) echo -xarch=sparc ;;
03279bbe 1826 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 1827 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
1828 i586|pentium) echo -xchip=pentium ;;
1829 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1830 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1831 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1832 pentium4*) echo -xtarget=pentium4 ;;
1833 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1834 *-sse3) echo -xarch=sse3 ;;
1835 core2) echo -xarch=ssse3 -xchip=core2 ;;
1836 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1837 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1838 k8|opteron|athlon64|athlon-fx)
1839 echo -xarch=sse2a ;;
1840 athlon*) echo -xarch=pentium_proa ;;
1841 esac
1842 ;;
1843 -std=c99) echo -xc99 ;;
1844 -fomit-frame-pointer) echo -xregs=frameptr ;;
1845 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1846 -W*,*) echo $flag ;;
1847 -f*-*|-W*) ;;
1848 *) echo $flag ;;
1849 esac
1850 done
1851 }
629687f6
MR
1852fi
1853
1854test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1855
75bafbac 1856: ${as_default:=$cc}
50567afa 1857: ${dep_cc_default:=$cc}
684b28e0 1858: ${ld_default:=$cc}
121d78d0 1859set_default ar as dep_cc ld
75800dce 1860
07dec06e
MR
1861test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1862test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1863
7f32f40c 1864add_cflags $extra_cflags
2f2e6c7c 1865add_asflags $extra_cflags
7f32f40c 1866
154d432c
MR
1867if test -n "$sysroot"; then
1868 case "$cc_type" in
1869 gcc)
467256f2 1870 add_cppflags --sysroot="$sysroot"
154d432c
MR
1871 add_ldflags --sysroot="$sysroot"
1872 ;;
6fec122a
MR
1873 tms470)
1874 add_cppflags -I"$sysinclude"
1875 add_ldflags --sysroot="$sysroot"
1876 ;;
06da6943 1877 clang)
4def700e
DC
1878 add_cppflags -isysroot "$sysroot"
1879 add_ldflags -isysroot "$sysroot"
06da6943 1880 ;;
154d432c
MR
1881 esac
1882fi
1883
d22c13a8
MR
1884if test "$cpu" = host; then
1885 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1886
1887 case "$cc_type" in
1888 gcc)
1889 check_native(){
1890 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1891 sed -n "/$1=/{
1892 s/.*$1=\\([^ ]*\\).*/\\1/
1893 p
1894 q
1895 }" $TMPE
d22c13a8
MR
1896 }
1897 cpu=$(check_native -march || check_native -mcpu)
1898 ;;
1899 esac
1900
1901 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1902fi
1903
e939cedd
MR
1904# Deal with common $arch aliases
1905case "$arch" in
1906 arm*)
1907 arch="arm"
1908 ;;
1909 mips|mipsel|IP*)
1910 arch="mips"
1911 ;;
47b1860e 1912 mips64*)
e939cedd
MR
1913 arch="mips"
1914 subarch="mips64"
1915 ;;
1916 parisc|hppa)
1917 arch="parisc"
1918 ;;
1919 parisc64|hppa64)
1920 arch="parisc"
1921 subarch="parisc64"
1922 ;;
1923 "Power Macintosh"|ppc|powerpc)
1924 arch="ppc"
1925 ;;
47b1860e 1926 ppc64|powerpc64)
e939cedd
MR
1927 arch="ppc"
1928 subarch="ppc64"
1929 ;;
1930 s390|s390x)
1931 arch="s390"
1932 ;;
1933 sh4|sh)
1934 arch="sh4"
1935 ;;
1936 sun4u|sparc64)
1937 arch="sparc"
1938 subarch="sparc64"
1939 ;;
1940 i[3-6]86|i86pc|BePC|x86_64|amd64)
1941 arch="x86"
1942 ;;
1943esac
1944
1945is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1946enable $arch
e939cedd 1947
df5cdc24 1948# Add processor-specific flags
5d54c126
MR
1949if test "$cpu" = generic; then
1950 : do nothing
1951elif enabled ppc; then
343aef9b 1952
56348891
MR
1953 case $(tolower $cpu) in
1954 601|ppc601|powerpc601)
9dbd5c3d 1955 cpuflags="-mcpu=601"
64ad53ff 1956 disable altivec
9dbd5c3d 1957 ;;
56348891 1958 603*|ppc603*|powerpc603*)
9dbd5c3d 1959 cpuflags="-mcpu=603"
64ad53ff 1960 disable altivec
9dbd5c3d 1961 ;;
56348891 1962 604*|ppc604*|powerpc604*)
9dbd5c3d 1963 cpuflags="-mcpu=604"
64ad53ff 1964 disable altivec
9dbd5c3d 1965 ;;
56348891 1966 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1967 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1968 disable altivec
9dbd5c3d 1969 ;;
56348891 1970 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1971 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1972 ;;
56348891 1973 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1974 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1975 ;;
56348891 1976 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1977 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1978 ;;
56348891 1979 cell)
9dbd5c3d
MR
1980 cpuflags="-mcpu=cell"
1981 enable ldbrx
1982 ;;
7b0b81a1
AL
1983 e500v2)
1984 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1985 disable altivec
1986 ;;
1987 e500)
1988 cpuflags="-mcpu=8540 -mhard-float"
1989 disable altivec
1990 ;;
9dbd5c3d 1991 esac
343aef9b
MR
1992
1993elif enabled x86; then
1994
9dbd5c3d
MR
1995 case $cpu in
1996 i[345]86|pentium)
1997 cpuflags="-march=$cpu"
1998 disable mmx
1999 ;;
2000 # targets that do NOT support conditional mov (cmov)
2001 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2002 cpuflags="-march=$cpu"
2003 disable cmov
2004 ;;
2005 # targets that do support conditional mov (cmov)
a65e687b 2006 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
9dbd5c3d
MR
2007 cpuflags="-march=$cpu"
2008 enable cmov
2009 enable fast_cmov
2010 ;;
2011 # targets that do support conditional mov but on which it's slow
2012 pentium4|pentium4m|prescott|nocona)
2013 cpuflags="-march=$cpu"
2014 enable cmov
2015 disable fast_cmov
2016 ;;
2017 esac
343aef9b
MR
2018
2019elif enabled sparc; then
2020
9dbd5c3d 2021 case $cpu in
26b7199e
MK
2022 niagara)
2023 cpuflags="-mcpu=$cpu"
2024 disable vis
2025 ;;
9dbd5c3d
MR
2026 sparc64)
2027 cpuflags="-mcpu=v9"
2028 ;;
2029 esac
343aef9b
MR
2030
2031elif enabled arm; then
2032
34ba23c9
MR
2033 case $cpu in
2034 armv*)
2035 cpuflags="-march=$cpu"
2036 ;;
2037 *)
2038 cpuflags="-mcpu=$cpu"
2039 ;;
2040 esac
343aef9b
MR
2041
2042elif enabled alpha; then
2043
34ba23c9 2044 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2045
2046elif enabled bfin; then
2047
34ba23c9 2048 cpuflags="-mcpu=$cpu"
343aef9b
MR
2049
2050elif enabled mips; then
2051
34ba23c9 2052 cpuflags="-march=$cpu"
343aef9b
MR
2053
2054elif enabled avr32; then
2055
9dbd5c3d
MR
2056 case $cpu in
2057 ap7[02]0[0-2])
2058 subarch="avr32_ap"
2059 cpuflags="-mpart=$cpu"
2060 ;;
2061 ap)
2062 subarch="avr32_ap"
2063 cpuflags="-march=$cpu"
2064 ;;
2065 uc3[ab]*)
2066 subarch="avr32_uc"
2067 cpuflags="-mcpu=$cpu"
2068 ;;
2069 uc)
2070 subarch="avr32_uc"
2071 cpuflags="-march=$cpu"
2072 ;;
2073 esac
df5cdc24 2074
343aef9b
MR
2075fi
2076
df5cdc24
MR
2077add_cflags $cpuflags
2078add_asflags $cpuflags
2079
993f2d0f
MR
2080# compiler sanity check
2081check_exec <<EOF
2082int main(void){ return 0; }
2083EOF
2084if test "$?" != 0; then
2085 echo "$cc is unable to create an executable file."
2086 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2087 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2088 echo "Only do this if you know what cross compiling means."
2089 fi
2090 die "C compiler test failed."
2091fi
2092
38a9c529 2093add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2094check_cflags -std=c99
50a334e4 2095check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2096#include <stdlib.h>
2097EOF
50a334e4 2098check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2099#include <stdlib.h>
2100EOF
e9b9a2f8 2101
f0125de9
MR
2102check_host_cflags -std=c99
2103
b24dbcbd 2104case "$arch" in
e939cedd 2105 alpha|ia64|mips|parisc|sparc)
8a3c8627 2106 spic=$shared
b24dbcbd 2107 ;;
e939cedd 2108 x86)
cfdb6148 2109 subarch="x86_32"
e939cedd 2110 check_cc <<EOF && subarch="x86_64"
58b3536d 2111 int test[(int)sizeof(char*) - 7];
cfdb6148 2112EOF
de27f4d9 2113 if test "$subarch" = "x86_64"; then
e939cedd 2114 spic=$shared
de27f4d9 2115 fi
b24dbcbd 2116 ;;
b24dbcbd
RP
2117esac
2118
343aef9b 2119enable $subarch
8a3c8627 2120enabled spic && enable pic
b24dbcbd 2121
7483e694 2122# OS specific
4f854758 2123case $target_os in
a1629e28 2124 haiku)
63ae7e7c 2125 prefix_default="/boot/common"
108caaaa 2126 network_extralibs="-lnetwork"
a1629e28 2127 ;;
7483e694
DB
2128 sunos)
2129 FFSERVERLDFLAGS=""
9987769a 2130 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2131 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2132 network_extralibs="-lsocket -lnsl"
50a334e4 2133 add_cppflags -D__EXTENSIONS__
8182dc34 2134 nm_opts='-P -g'
7483e694
DB
2135 ;;
2136 netbsd)
07a8eef6
MR
2137 oss_indev_extralibs="-lossaudio"
2138 oss_outdev_extralibs="-lossaudio"
2138dc99 2139 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2140 ;;
2141 openbsd)
89e053f8 2142 enable malloc_aligned
7c4a001a
MR
2143 # On OpenBSD 4.5. the compiler does not use PIC unless
2144 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2145 # however the generated executable will not do anything
2146 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2147 # Thus explicitly enable PIC here.
cd78208b 2148 enable pic
7483e694 2149 SHFLAGS='-shared'
07a8eef6
MR
2150 oss_indev_extralibs="-lossaudio"
2151 oss_outdev_extralibs="-lossaudio"
7483e694 2152 ;;
90b4f091 2153 freebsd|dragonfly)
89e053f8 2154 enable malloc_aligned
7483e694
DB
2155 ;;
2156 bsd/os)
2157 osextralibs="-lpoll -lgnugetopt"
2158 strip="strip -d"
2159 ;;
2160 darwin)
89e053f8 2161 enable malloc_aligned
0138c54e 2162 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
be90cd27 2163 strip="${strip} -x"
7483e694
DB
2164 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2165 SLIBSUF=".dylib"
2166 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2167 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2168 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2169 objformat="macho"
1b0f6fb8 2170 enabled x86_64 && objformat="macho64"
8dfa86f7 2171 enabled_any pic shared ||
2704bd1a 2172 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2173 ;;
2174 mingw32*)
9d3f4f50 2175 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2176 disable network
2177 else
2178 target_os=mingw32
2179 fi
dcc01c06 2180 LIBTARGET=i386
1fc9fb8a 2181 if enabled x86_64; then
89e053f8 2182 enable malloc_aligned
dcc01c06 2183 LIBTARGET=x64
336cc1b0
MS
2184 elif enabled arm; then
2185 LIBTARGET=arm
dcc01c06 2186 fi
fbd971a4 2187 shlibdir_default="$bindir_default"
7483e694
DB
2188 disable ffserver
2189 SLIBPREF=""
2190 SLIBSUF=".dll"
7483e694
DB
2191 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2192 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2193 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2194 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2195 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2196 install -d "$(LIBDIR)"; \
2197 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2198 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2199 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2200 objformat="win32"
bc574408 2201 enable dos_paths
1894e741 2202 check_cflags -fno-common
b1549d61 2203 if ! enabled x86_64; then
f7ad5aa2
RP
2204 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2205 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2206 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2207 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2208 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2209 fi
7483e694
DB
2210 ;;
2211 cygwin*)
4f854758 2212 target_os=cygwin
fbd971a4 2213 shlibdir_default="$bindir_default"
7483e694
DB
2214 SLIBPREF="cyg"
2215 SLIBSUF=".dll"
2216 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2217 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2218 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2219 objformat="win32"
bc574408 2220 enable dos_paths
1894e741 2221 check_cflags -fno-common
7483e694 2222 ;;
4f365f37 2223 *-dos|freedos|opendos)
fdf11906 2224 disable ffplay ffserver
4f365f37
MK
2225 disable $INDEV_LIST $OUTDEV_LIST
2226 network_extralibs="-lsocket"
ff1c015d 2227 objformat="coff"
bc574408 2228 enable dos_paths
4f365f37 2229 ;;
7483e694 2230 linux)
7483e694
DB
2231 enable dv1394
2232 ;;
2233 irix*)
4f854758 2234 target_os=irix
7483e694
DB
2235 ranlib="echo ignoring ranlib"
2236 ;;
d22e8442 2237 os/2*)
d22e8442
DY
2238 strip="lxlite"
2239 ln_s="cp -f"
d22e8442 2240 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2241 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2242 FFSERVERLDFLAGS=""
287d3b13 2243 LIBSUF="_s.a"
d22e8442
DY
2244 SLIBPREF=""
2245 SLIBSUF=".dll"
2246 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2247 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2248 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2249 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2250 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2251 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2252 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2253 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2254 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2255 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2256 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2257 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2258 enable dos_paths
d22e8442 2259 ;;
83993c1c
AM
2260 gnu/kfreebsd)
2261 ;;
34e82167 2262 gnu)
34e82167 2263 ;;
614d8911
MR
2264 none)
2265 ;;
7483e694 2266 *)
4f924f9a 2267 die "Unknown OS '$target_os'."
7483e694
DB
2268 ;;
2269esac
2270
13cb2187
AS
2271check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2272
c9d19248
MR
2273set_default $PATHS_LIST
2274
c597172e 2275add_extralibs $osextralibs
de6d9b64 2276
28d8e661
DB
2277# Combine FFLDFLAGS and the LDFLAGS environment variable.
2278LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2279
320d060a 2280# we need to build at least one lib type
93b3c083 2281if ! enabled_any static shared; then
320d060a
DB
2282 cat <<EOF
2283At least one library type must be built.
2284Specify --enable-static to build the static libraries or --enable-shared to
2285build the shared libraries as well. To only build the shared libraries specify
2286--disable-static in addition to --enable-shared.
2287EOF
2288 exit 1;
2289fi
2290
abc4e572 2291disabled static && LIBNAME=""
2a320695 2292
2184c6f7 2293die_license_disabled() {
4c27207c 2294 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2295}
2296
2184c6f7
DB
2297die_license_disabled gpl libx264
2298die_license_disabled gpl libxvid
2299die_license_disabled gpl postproc
2300die_license_disabled gpl x11grab
2301
2f7ae63b 2302die_license_disabled nonfree libfaac
b2e3c528 2303
0b175caa
DB
2304die_license_disabled version3 libopencore_amrnb
2305die_license_disabled version3 libopencore_amrwb
2306
9cad0e4e 2307enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2308
9eeed841 2309check_deps $ARCH_EXT_LIST
0f3cb305 2310
40617a6d 2311disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2312
e276d9e8
MR
2313enable_pic() {
2314 enable pic
bce7b696
MR
2315 add_cppflags -DPIC
2316 add_cflags -fPIC
2317 add_asflags -fPIC
e276d9e8
MR
2318}
2319
2320enabled pic && enable_pic
bce7b696 2321
b4d96ba2
MR
2322check_cc <<EOF || die "Symbol mangling check failed."
2323int ff_extern;
2324EOF
8182dc34 2325sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2326extern_prefix=${sym%%ff_extern*}
2327
f65883c8
MR
2328check_cc <<EOF && enable inline_asm
2329void foo(void) { __asm__ volatile ("" ::); }
2330EOF
61d251db 2331
df5e3978
MR
2332_restrict=
2333for restrict_keyword in restrict __restrict__ __restrict; do
2334 check_cc <<EOF && _restrict=$restrict_keyword && break
2335void foo(char * $restrict_keyword p);
2336EOF
2337done
2338
2339check_cc <<EOF && enable attribute_packed
2340struct { int x; } __attribute__((packed)) x;
2341EOF
2342
dffb41b9
MR
2343check_cc <<EOF && enable attribute_may_alias
2344union { int x; } __attribute__((may_alias)) x;
2345EOF
2346
df5e3978
MR
2347check_cc <<EOF || die "endian test failed"
2348unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2349EOF
48fc536a 2350od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2351
e939cedd
MR
2352if enabled alpha; then
2353
2354 check_cflags -mieee
2355
2356elif enabled arm; then
e45391bb 2357
50fa82e6
MR
2358 check_cflags -marm
2359
fa0912fe
MR
2360 check_ld <<EOF && enable vfp_args
2361__asm__ (".eabi_attribute 28, 1");
2362int main(void) { return 0; }
2363EOF
2364
2365 # We have to check if pld is a nop and disable it.
2366 check_asm pld '"pld [r0]"'
2367
2368 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2369 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2370 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2371 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2372 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2373 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2374
e276d9e8
MR
2375 enabled_all armv6t2 shared !pic && enable_pic
2376
fa0912fe 2377elif enabled mips; then
e45391bb 2378
fa0912fe
MR
2379 check_asm loongson '"dmult.g $1, $2, $3"'
2380 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2381
fa0912fe 2382elif enabled ppc; then
e45391bb 2383
e6a0c354
MR
2384 enable local_aligned_8 local_aligned_16
2385
fa0912fe
MR
2386 check_asm dcbzl '"dcbzl 0, 1"'
2387 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2388 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2389
2390 # AltiVec flags: The FSF version of GCC differs from the Apple version
2391 if enabled altivec; then
2392 check_cflags -maltivec -mabi=altivec &&
2393 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2394 check_cflags -faltivec
2395
2396 # check if our compiler supports Motorola AltiVec C API
2397 check_cc <<EOF || disable altivec
2398$inc_altivec_h
2399int main(void) {
2400 vector signed int v1, v2, v3;
2401 v1 = vec_add(v2,v3);
2402 return 0;
2403}
2404EOF
2405
2406 # check if our compiler supports braces for vector declarations
2407 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2408$inc_altivec_h
2409int main (void) { (vector int) {1}; return 0; }
2410EOF
2411 fi
e45391bb 2412
fa0912fe 2413elif enabled sparc; then
e45391bb 2414
fa0912fe
MR
2415 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2416 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2417
fa0912fe 2418elif enabled x86; then
e45391bb 2419
e6a0c354
MR
2420 enable local_aligned_8 local_aligned_16
2421
44965991
PI
2422 # check whether EBP is available on x86
2423 # As 'i' is stored on the stack, this program will crash
2424 # if the base pointer is used to access it because the
2425 # base pointer is cleared in the inline assembly code.
7dfef245 2426 check_exec_crash <<EOF && enable ebp_available
44965991 2427 volatile int i=0;
be449fca 2428 __asm__ volatile (
44965991
PI
2429 "xorl %%ebp, %%ebp"
2430 ::: "%ebp");
2431 return i;
44965991
PI
2432EOF
2433
f494213c 2434 # check whether EBX is available on x86
7cee5421
MR
2435 check_asm ebx_available '""::"b"(0)' &&
2436 check_asm ebx_available '"":::"%ebx"'
8e380710 2437
d3a4b4e0
DB
2438 # check whether more than 10 operands are supported
2439 check_cc <<EOF && enable ten_operands
2440int main(void) {
2441 int x=0;
2442 __asm__ volatile(
2443 ""
2444 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2445 );
2446 return 0;
2447}
2448EOF
2449
d7f0920b 2450 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2451 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2452 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2453
2454 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2455
d52481b9 2456 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2457 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2458 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2459 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2460 case "$objformat" in
2461 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2462 esac
7595a5e4 2463 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2464
669b5583
MR
2465 case "$cpu" in
2466 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2467 disable fast_clz
2468 ;;
2469 esac
2470
44965991
PI
2471fi
2472
a98bb16d
RP
2473if check_func dlopen; then
2474 ldl=
2475elif check_func dlopen -ldl; then
2476 ldl=-ldl
8bf5d58f
MN
2477fi
2478
75ecf149
DB
2479# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2480check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2481
7483e694 2482check_func fork
84882df6 2483check_func getaddrinfo $network_extralibs
7483e694
DB
2484check_func gethrtime
2485check_func getrusage
fc5607f8 2486check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2487check_func inet_aton $network_extralibs
abfc8d05 2488check_func isatty
4ae40685 2489check_func ${malloc_prefix}memalign && enable memalign
7483e694 2490check_func mkstemp
4ae40685 2491check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2492check_func setrlimit
87958234 2493check_func strerror_r
b507ebd1 2494check_func_headers io.h setmode
e4673692 2495check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2496check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2497check_func_headers windows.h GetProcessTimes
7c5bfe7a 2498check_func_headers windows.h VirtualAlloc
6ffa87d3 2499
e16e49ac 2500check_header conio.h
a98bb16d 2501check_header dlfcn.h
92c6a099 2502check_header dxva2api.h
a98bb16d 2503check_header malloc.h
bf6ce82d 2504check_header poll.h
b58412f1 2505check_header sys/mman.h
b091aa44 2506check_header sys/resource.h
bf6ce82d 2507check_header sys/select.h
a98bb16d 2508check_header termios.h
272081b0
CEH
2509check_header vdpau/vdpau.h
2510check_header vdpau/vdpau_x11.h
68178ca9 2511check_header X11/extensions/XvMClib.h
a98bb16d 2512
9104cd51
RP
2513check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2514
89e053f8
MR
2515if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2516 enabled_any $need_memalign ; then
1f91cdce 2517 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2518fi
e16e49ac 2519
a4fa192c 2520disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2521disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2522
2523# check for some common methods of building with pthread support
2524# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
2525if ! disabled pthreads && ! enabled w32threads; then
2526 enable pthreads
9e7fd101
MR
2527 if check_func pthread_create; then
2528 :
2529 elif check_func pthread_create -pthread; then
2530 add_cflags -pthread
afc9aee2 2531 add_extralibs -pthread
9e7fd101
MR
2532 elif check_func pthread_create -pthreads; then
2533 add_cflags -pthreads
afc9aee2 2534 add_extralibs -pthreads
8d94f606
GT
2535 elif check_func pthread_create -lpthreadGC2; then
2536 add_extralibs -lpthreadGC2
9e7fd101 2537 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 2538 disable pthreads
9e7fd101 2539 fi
57bd82d4
MR
2540fi
2541
8eee7025 2542for thread in $THREADS_LIST; do
e5f94c2b 2543 if enabled $thread; then
3ae3b721
RP
2544 test -n "$thread_type" &&
2545 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2546 thread_type="$thread"
e5f94c2b
RP
2547 fi
2548done
2549
fdf88598 2550check_lib math.h sin -lm
edd43c95 2551disabled vaapi || check_lib va/va.h vaInitialize -lva
fdf88598 2552
645d2652
MR
2553check_mathfunc exp2
2554check_mathfunc exp2f
2555check_mathfunc llrint
07876e25 2556check_mathfunc llrintf
645d2652
MR
2557check_mathfunc log2
2558check_mathfunc log2f
2559check_mathfunc lrint
2560check_mathfunc lrintf
2561check_mathfunc round
2562check_mathfunc roundf
2563check_mathfunc truncf
f32adb22 2564
57bd82d4 2565# these are off by default, so fail if requested and not available
a1b3c5a3 2566enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2567enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2568 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2569 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097 2570enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5af41508 2571enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2572enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2573enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2574enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2575enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2576enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3a9bc39e 2577enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
36718e51
DB
2578enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2579 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2580enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2581enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2582enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
ee0e9146
JZ
2583enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2584 require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
60877ad9 2585enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
652d9d24
JGG
2586 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2587 die "ERROR: libx264 version must be >= 0.98."; }
2bfecf73 2588enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2589enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2590
0b4a1821
AS
2591# libdc1394 check
2592if enabled libdc1394; then
2593 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2594 enable libdc1394_2; } ||
2595 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2596 enable libdc1394_1; } ||
2597 die "ERROR: No version of libdc1394 found "
2598fi
2599
6a1a892f 2600SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2601if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2602 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2603 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2604 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2605 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2606 enable sdl &&
2607 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2608fi
57bd82d4 2609
2270b4b2 2610texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2611
73b46a95 2612if enabled network; then
96000432 2613 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2614 check_type netdb.h "struct addrinfo"
b4d68544
MS
2615 check_type netinet/in.h "struct ipv6_mreq"
2616 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2617 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2618 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2619 # Prefer arpa/inet.h over winsock2
2620 if check_header arpa/inet.h ; then
2621 check_func closesocket
2622 elif check_header winsock2.h ; then
f4c13872
MS
2623 check_func_headers winsock2.h closesocket -lws2 && \
2624 network_extralibs="-lws2" || \
2625 { check_func_headers winsock2.h closesocket -lws2_32 && \
2626 network_extralibs="-lws2_32"; }
72be9e73 2627 check_type ws2tcpip.h socklen_t
c0018613 2628 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2629 check_type ws2tcpip.h "struct ipv6_mreq"
2630 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2631 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2632 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2633 else
2634 disable network
73b46a95
RP
2635 fi
2636fi
2637
06e31011
RP
2638check_header linux/videodev.h
2639check_header linux/videodev2.h
1b6e8b73 2640check_header sys/videoio.h
47f38850 2641
27796dc3 2642check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2643
f8aa696f 2644# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2645{ check_header dev/bktr/ioctl_meteor.h &&
2646 check_header dev/bktr/ioctl_bt848.h; } ||
2647{ check_header machine/ioctl_meteor.h &&
2648 check_header machine/ioctl_bt848.h; } ||
2649{ check_header dev/video/meteor/ioctl_meteor.h &&
2650 check_header dev/video/bktr/ioctl_bt848.h; } ||
2651check_header dev/ic/bt8xx.h
f8aa696f 2652
c7682de0
RP
2653check_header sys/soundcard.h
2654check_header soundcard.h
deb29777 2655
b6f3d925 2656enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2657
0e57fe17 2658enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2659
56a059ac 2660enabled x11grab &&
f58f4ce1
GP
2661check_header X11/Xlib.h &&
2662check_header X11/extensions/XShm.h &&
0a045661 2663check_header X11/extensions/Xfixes.h &&
f58f4ce1 2664check_func XOpenDisplay -lX11 &&
781c1aa6
R
2665check_func XShmCreateImage -lX11 -lXext &&
2666check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2667
598ef02b 2668if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2669check_cpp_condition \
2670 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2671 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2672 disable vdpau; }
abf649c7 2673fi
deda2a4a 2674
95e561ec 2675enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2676
2677# add some useful compiler flags if supported
2678check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2679check_cflags -Wall
2680check_cflags -Wno-switch
c07bd6a9
MN
2681check_cflags -Wdisabled-optimization
2682check_cflags -Wpointer-arith
2683check_cflags -Wredundant-decls
cc1fb623 2684check_cflags -Wno-pointer-sign
f4929996 2685check_cflags -Wcast-qual
9aceb3cf 2686check_cflags -Wwrite-strings
652a5bf6 2687check_cflags -Wtype-limits
764551c6 2688check_cflags -Wundef
fc298fd9 2689check_cflags -Wmissing-prototypes
5af4e0cc 2690enabled extra_warnings && check_cflags -Winline
cf9d24ad 2691
57bd82d4 2692# add some linker flags
5c0e9479 2693check_ldflags -Wl,--warn-common
8351d2ba
DB
2694check_ldflags -Wl,--as-needed
2695check_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 2696check_ldflags -Wl,-Bsymbolic
94a3401e 2697
a482e61b 2698echo "X{};" > $TMPV
b462d132 2699if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 2700 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
2701 check_cc <<EOF && enable symver_asm_label
2702void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 2703void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
2704EOF
2705 check_cc <<EOF && enable symver_gnu_asm
2706__asm__(".symver ff_foo,av_foo@VERSION");
2707void ff_foo(void) {}
2708EOF
2709fi
a482e61b 2710
bd2216e4 2711if enabled small; then
14ca9cd0 2712 add_cflags $size_cflags
8400d6b8
DB
2713 optimizations="small"
2714elif enabled optimizations; then
14ca9cd0 2715 add_cflags $speed_cflags
b05394a0
MR
2716else
2717 add_cflags $noopt_cflags
cddf3f45 2718fi
11fdbc44 2719check_cflags -fno-math-errno
b2eb2ff0 2720check_cflags -fno-signed-zeros
cddf3f45 2721
629687f6 2722if enabled icc; then
b1598b58
MR
2723 # Just warnings, no remarks
2724 check_cflags -w1
2725 # -wd: Disable following warnings
2726 # 144, 167, 556: -Wno-pointer-sign
2727 # 10006: ignoring unknown option -fno-signed-zeros
2728 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2729 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2730 # 11030: Warning unknown option --as-needed
2731 # 10156: ignoring option '-export'; no argument required
2732 check_ldflags -wd10156,11030
2733 # Allow to compile with optimizations
2734 check_ldflags -march=$cpu
be2cf98a
CEH
2735 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2736 enable ebp_available
df442a8d
MR
2737elif enabled ccc; then
2738 # disable some annoying warnings
2739 add_cflags -msg_disable cvtu32to64
2740 add_cflags -msg_disable embedcomment
2741 add_cflags -msg_disable needconstext
2742 add_cflags -msg_disable nomainieee
2743 add_cflags -msg_disable ptrmismatch1
2744 add_cflags -msg_disable unreachcode
973859f5
MR
2745elif enabled gcc; then
2746 check_cflags -fno-tree-vectorize
62df111c 2747 check_cflags -Werror=implicit
de63bfec 2748 check_cflags -Werror=missing-prototypes
06da6943
DC
2749elif enabled clang; then
2750 check_cflags -Qunused-arguments
138132be
MR
2751elif enabled armcc; then
2752 # 2523: use of inline assembler is deprecated
2753 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2754 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2755elif enabled tms470; then
2756 add_cflags -pds=824 -pds=837
504a64b9
CEH
2757fi
2758
90be59ef 2759if enabled gprof; then
0f010b2f
DB
2760 add_cflags -p
2761 add_ldflags -p
1db54e20
DB
2762fi
2763
7483e694
DB
2764enabled_any $THREADS_LIST && enable threads
2765
2766check_deps $CONFIG_LIST \
b6bb00b0 2767 $CONFIG_EXTRA \
7483e694
DB
2768 $HAVE_LIST \
2769 $DECODER_LIST \
2770 $ENCODER_LIST \
5666fd73 2771 $HWACCEL_LIST \
7483e694
DB
2772 $PARSER_LIST \
2773 $BSF_LIST \
2774 $DEMUXER_LIST \
2775 $MUXER_LIST \
f7679c54 2776 $FILTER_LIST \
7483e694
DB
2777 $INDEV_LIST \
2778 $OUTDEV_LIST \
2779 $PROTOCOL_LIST \
f70f03f6 2780
3bfd582c 2781enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 2782
3e89171a 2783echo "install prefix $prefix"
f36958f8
DB
2784echo "source path $source_path"
2785echo "C compiler $cc"
f36958f8 2786echo "ARCH $arch ($cpu)"
ce8871c2
MR
2787if test "$build_suffix" != ""; then
2788 echo "build suffix $build_suffix"
eb94aca9 2789fi
ac63af34
DB
2790if test "$extra_version" != ""; then
2791 echo "version string suffix $extra_version"
2792fi
0db2ce77 2793echo "big-endian ${bigendian-no}"
e90f5b5a 2794echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2795if enabled x86; then
af44e8e4 2796 echo "yasm ${yasm-no}"
0db2ce77 2797 echo "MMX enabled ${mmx-no}"
30e98e62 2798 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2799 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2800 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2801 echo "SSE enabled ${sse-no}"
30e98e62 2802 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2803 echo "CMOV enabled ${cmov-no}"
2804 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2805 echo "EBX available ${ebx_available-no}"
2806 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2807 echo "10 operands supported ${ten_operands-no}"
e41e8342 2808fi
5b6c2cbd 2809if enabled arm; then
0db2ce77
MR
2810 echo "ARMv5TE enabled ${armv5te-no}"
2811 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2812 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2813 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2814 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2815 echo "NEON enabled ${neon-no}"
eba9ae3c 2816fi
5b6c2cbd 2817if enabled mips; then
0db2ce77 2818 echo "MMI enabled ${mmi-no}"
e41e8342 2819fi
5b6c2cbd 2820if enabled ppc; then
0db2ce77 2821 echo "AltiVec enabled ${altivec-no}"
30e98e62 2822 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2823 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2824 echo "performance report ${powerpc_perf-no}"
2825fi
2826if enabled sparc; then
2827 echo "VIS enabled ${vis-no}"
e41e8342 2828fi
0db2ce77
MR
2829echo "gprof enabled ${gprof-no}"
2830echo "debug symbols ${debug-no}"
87a0fb62 2831echo "strip symbols ${stripping-no}"
8400d6b8 2832echo "optimizations ${optimizations-no}"
0db2ce77
MR
2833echo "static ${static-no}"
2834echo "shared ${shared-no}"
4a24ab64 2835echo "postprocessing support ${postproc-no}"
f7679c54 2836echo "new filter support ${avfilter-no}"
81124ba0 2837echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2838echo "network support ${network-no}"
0db2ce77
MR
2839echo "threading support ${thread_type-no}"
2840echo "SDL support ${sdl-no}"
0db2ce77
MR
2841echo "Sun medialib support ${mlib-no}"
2842echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2843echo "libdc1394 support ${libdc1394-no}"
690bfceb 2844echo "libdirac enabled ${libdirac-no}"
0db2ce77 2845echo "libfaac enabled ${libfaac-no}"
0db2ce77
MR
2846echo "libgsm enabled ${libgsm-no}"
2847echo "libmp3lame enabled ${libmp3lame-no}"
2848echo "libnut enabled ${libnut-no}"
0b175caa
DB
2849echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2850echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2851echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2852echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2853echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2854echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2855echo "libtheora enabled ${libtheora-no}"
2856echo "libvorbis enabled ${libvorbis-no}"
8299a7f8 2857echo "libvpx enabled ${libvpx-no}"
d6bd62db
DB
2858echo "libx264 enabled ${libx264-no}"
2859echo "libxvid enabled ${libxvid-no}"
0db2ce77 2860echo "zlib enabled ${zlib-no}"
f402916e 2861echo "bzlib enabled ${bzlib-no}"
2c62e737 2862echo
de6d9b64 2863
5666fd73 2864for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2865 echo "Enabled ${type}s:"
f65c9da1 2866 eval list=\$$(toupper $type)_LIST
8138b9db 2867 for part in $list; do
f65c9da1
MR
2868 enabled $part && echo ${part%_*}
2869 done | sort | pr -3 -t
2870 echo
8138b9db
RP
2871done
2872
ba7a7039 2873license="LGPL version 2.1 or later"
ba321adb 2874if enabled nonfree; then
ba7a7039 2875 license="nonfree and unredistributable"
9cad0e4e
DB
2876elif enabled gplv3; then
2877 license="GPL version 3 or later"
2878elif enabled lgplv3; then
2879 license="LGPL version 3 or later"
ba321adb 2880elif enabled gpl; then
ba7a7039 2881 license="GPL version 2 or later"
ba321adb
JK
2882fi
2883
2884echo "License: $license"
ca5323af 2885
cf1392e9
DB
2886echo "Creating config.mak and config.h..."
2887
df642790
MR
2888# build tree in object directory if source path is different from current one
2889if enabled source_path_used; then
2890 DIRS="
2891 doc
2892 libavcodec
2893 libavcodec/$arch
2894 libavdevice
2895 libavfilter
2896 libavformat
2897 libavutil
2898 libavutil/$arch
2899 libpostproc
2900 libswscale
2901 libswscale/$arch
2902 tests
2903 tools
2904 "
2905 FILES="
2906 Makefile
2907 common.mak
2908 subdir.mak
2909 doc/texi2pod.pl
2910 libavcodec/Makefile
43f60eba 2911 libavcodec/${arch}/Makefile
df642790
MR
2912 libavdevice/Makefile
2913 libavfilter/Makefile
2914 libavformat/Makefile
2915 libavutil/Makefile
2916 libpostproc/Makefile
2917 libswscale/Makefile
2918 "
e0e335a0 2919 map 'mkdir -p $v' $DIRS;
43f60eba 2920 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2921fi
2922
ad212cc6
MR
2923enabled stripping || strip="echo skipping strip"
2924
173c983b
MR
2925cat > config.mak <<EOF
2926# Automatically generated by configure - do not modify!
2927ifndef FFMPEG_CONFIG_MAK
2928FFMPEG_CONFIG_MAK=1
2929FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2930prefix=$prefix
2931LIBDIR=\$(DESTDIR)$libdir
2932SHLIBDIR=\$(DESTDIR)$shlibdir
2933INCDIR=\$(DESTDIR)$incdir
2934BINDIR=\$(DESTDIR)$bindir
2935DATADIR=\$(DESTDIR)$datadir
2936MANDIR=\$(DESTDIR)$mandir
2937SRC_PATH="$source_path"
2938SRC_PATH_BARE=$source_path
2939BUILD_ROOT="$PWD"
2940ARCH=$arch
2941CC=$cc
2942AS=$as
2943LD=$ld
2944DEPCC=$dep_cc
2945YASM=$yasmexe
a4aea515 2946YASMDEP=$yasmexe
173c983b
MR
2947AR=$ar
2948RANLIB=$ranlib
4335125c 2949CP=cp -p
173c983b
MR
2950LN_S=$ln_s
2951STRIP=$strip
2952CPPFLAGS=$CPPFLAGS
2953CFLAGS=$CFLAGS
2954ASFLAGS=$ASFLAGS
2955CC_O=$CC_O
2956LDFLAGS=$LDFLAGS
2957FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2958SHFLAGS=$SHFLAGS
2959YASMFLAGS=$YASMFLAGS
2960BUILDSUF=$build_suffix
2961FULLNAME=$FULLNAME
2962LIBPREF=$LIBPREF
2963LIBSUF=$LIBSUF
2964LIBNAME=$LIBNAME
2965SLIBPREF=$SLIBPREF
2966SLIBSUF=$SLIBSUF
2967EXESUF=$EXESUF
2968EXTRA_VERSION=$extra_version
2969DEPFLAGS=$DEPFLAGS
2970CCDEP=$CCDEP
2971ASDEP=$ASDEP
2972CC_DEPFLAGS=$CC_DEPFLAGS
2973AS_DEPFLAGS=$AS_DEPFLAGS
2974HOSTCC=$host_cc
2975HOSTCFLAGS=$host_cflags
2976HOSTEXESUF=$HOSTEXESUF
2977HOSTLDFLAGS=$host_ldflags
2978HOSTLIBS=$host_libs
2979TARGET_EXEC=$target_exec
2980TARGET_PATH=$target_path
2981SDL_LIBS=$sdl_libs
2982SDL_CFLAGS=$sdl_cflags
2983LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2984EXTRALIBS=$extralibs
fd676deb 2985INSTALL=install
1afc4750
MR
2986LIBTARGET=${LIBTARGET}
2987SLIBNAME=${SLIBNAME}
2988SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2989SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2990SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2991SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2992SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2993SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 2994SAMPLES=$samples
173c983b 2995EOF
5a872801 2996
719c8e00
MR
2997get_version(){
2998 name=$1
2999 file=$source_path/$2
147e7692
MR
3000 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3001 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3002 lcname=$(tolower $name)
3003 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3004 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3005}
3006
147e7692
MR
3007get_version LIBSWSCALE libswscale/swscale.h
3008get_version LIBPOSTPROC libpostproc/postprocess.h
3009get_version LIBAVCODEC libavcodec/avcodec.h
3010get_version LIBAVDEVICE libavdevice/avdevice.h
3011get_version LIBAVFORMAT libavformat/avformat.h
3012get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3013get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3014
173c983b
MR
3015cat > $TMPH <<EOF
3016/* Automatically generated by configure - do not modify! */
3017#ifndef FFMPEG_CONFIG_H
3018#define FFMPEG_CONFIG_H
3019#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3020#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3021#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3022#define CC_TYPE "$cc_type"
3023#define CC_VERSION $cc_version
3024#define restrict $_restrict
42719e20 3025#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
173c983b
MR
3026#define EXTERN_PREFIX "${extern_prefix}"
3027#define EXTERN_ASM ${extern_prefix}
3028EOF
523ef551 3029
4ae40685
MR
3030test -n "$malloc_prefix" &&
3031 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3032
523ef551 3033if enabled small || disabled optimizations; then
9a894c48 3034 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3035 echo "#define av_always_inline" >> $TMPH
3036fi
3037
3d907e22
MR
3038print_config ARCH_ $TMPH config.mak $ARCH_LIST
3039print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3040print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3041 $CONFIG_EXTRA \
7483e694
DB
3042 $DECODER_LIST \
3043 $ENCODER_LIST \
5666fd73 3044 $HWACCEL_LIST \
7483e694
DB
3045 $PARSER_LIST \
3046 $BSF_LIST \
3047 $DEMUXER_LIST \
3048 $MUXER_LIST \
f7679c54 3049 $FILTER_LIST \
7483e694
DB
3050 $PROTOCOL_LIST \
3051 $INDEV_LIST \
3052 $OUTDEV_LIST \
8ac17293 3053
9c05103f 3054echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3055echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3056
b7860763 3057# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3058cp_if_changed $TMPH config.h
3d204385 3059
a3e02a8c
MR
3060cat > $TMPH <<EOF
3061/* Generated by ffconf */
3062#ifndef AVUTIL_AVCONFIG_H
3063#define AVUTIL_AVCONFIG_H
3064EOF
3065
3066print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3067
3068echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3069
3070cp_if_changed $TMPH libavutil/avconfig.h
3071
d0674868 3072# build pkg-config files
def4272a 3073
d0674868
DB
3074pkgconfig_generate(){
3075name=$1
b0dfd108 3076shortname=${name#lib}${build_suffix}
d0674868
DB
3077comment=$2
3078version=$3
3079libs=$4
3080requires=$5
25cd5cb3 3081cat <<EOF > $name/$name.pc
3e89171a 3082prefix=$prefix
a94e666c 3083exec_prefix=\${prefix}
f2b7382c 3084libdir=$libdir
7622778e 3085includedir=$incdir
def4272a 3086
d0674868
DB
3087Name: $name
3088Description: $comment
3089Version: $version
8cd6b388 3090Requires: $(enabled shared || echo $requires)
5dcfe9f8 3091Requires.private: $(enabled shared && echo $requires)
def4272a 3092Conflicts:
8cd6b388 3093Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3094Libs.private: $(enabled shared && echo $libs)
76a448ed 3095Cflags: -I\${includedir}
def4272a 3096EOF
25cd5cb3 3097cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3098prefix=
3099exec_prefix=
46d1ff83 3100libdir=\${pcfiledir}
1d44d365 3101includedir=${source_path}
def4272a 3102
d0674868
DB
3103Name: $name
3104Description: $comment
3105Version: $version
3106Requires: $requires
def4272a 3107Conflicts:
12701f6e 3108Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3109Cflags: -I\${includedir}
3110EOF
d0674868 3111}
def4272a 3112
e426941d 3113pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3114pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3115pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3116pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3117enabled avfilter &&
46983309 3118 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3119enabled postproc &&
e426941d 3120 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3121pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"