tablegen: the executable depends on tablegen headers as well
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
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."
c21d6325
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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
cde2d79a
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54 exit 1
55fi
56
74c53c2d 57show_help(){
06454877
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58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
19bd477d 64 --logfile=FILE log tests and output to FILE [config.log]
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65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
336ce917 85 --disable-ffprobe disable ffprobe build
06454877 86 --disable-ffserver disable ffserver build
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87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
06454877 91 --enable-postproc enable GPLed postprocessing support [no]
cccc039f 92 --disable-avfilter disable video filter support [no]
06454877 93 --enable-avfilter-lavf video filters dependent on avformat [no]
0dbfc1db 94 --disable-pthreads disable pthreads [auto]
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95 --enable-w32threads use Win32 threads [no]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
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98 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101 --disable-fastdiv disable table-based division
102 --enable-small optimize for size instead of speed
103 --disable-aandct disable AAN DCT code
7f3f5f46 104 --disable-dct disable DCT code
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105 --disable-fft disable FFT code
106 --disable-golomb disable Golomb code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --disable-vaapi disable VAAPI code
111 --disable-vdpau disable VDPAU code
92c6a099 112 --disable-dxva2 disable DXVA2 code
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113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --enable-memalign-hack emulate memalign, interferes with memory debuggers
bb55e3a3 116 --disable-everything disable all components listed below
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117 --disable-encoder=NAME disable encoder NAME
118 --enable-encoder=NAME enable encoder NAME
119 --disable-encoders disable all encoders
120 --disable-decoder=NAME disable decoder NAME
121 --enable-decoder=NAME enable decoder NAME
122 --disable-decoders disable all decoders
123 --disable-hwaccel=NAME disable hwaccel NAME
124 --enable-hwaccel=NAME enable hwaccel NAME
125 --disable-hwaccels disable all hwaccels
126 --disable-muxer=NAME disable muxer NAME
127 --enable-muxer=NAME enable muxer NAME
128 --disable-muxers disable all muxers
129 --disable-demuxer=NAME disable demuxer NAME
130 --enable-demuxer=NAME enable demuxer NAME
131 --disable-demuxers disable all demuxers
132 --enable-parser=NAME enable parser NAME
133 --disable-parser=NAME disable parser NAME
134 --disable-parsers disable all parsers
135 --enable-bsf=NAME enable bitstream filter NAME
136 --disable-bsf=NAME disable bitstream filter NAME
137 --disable-bsfs disable all bitstream filters
138 --enable-protocol=NAME enable protocol NAME
139 --disable-protocol=NAME disable protocol NAME
140 --disable-protocols disable all protocols
141 --disable-indev=NAME disable input device NAME
142 --disable-outdev=NAME disable output device NAME
143 --disable-indevs disable input devices
144 --disable-outdevs disable output devices
145 --disable-devices disable all devices
146 --enable-filter=NAME enable filter NAME
147 --disable-filter=NAME disable filter NAME
148 --disable-filters disable all filters
149 --list-decoders show all available decoders
150 --list-encoders show all available encoders
151 --list-hwaccels show all available hardware accelerators
152 --list-muxers show all available muxers
153 --list-demuxers show all available demuxers
154 --list-parsers show all available parsers
155 --list-protocols show all available protocols
156 --list-bsfs show all available bitstream filters
157 --list-indevs show all available input devices
158 --list-outdevs show all available output devices
159 --list-filters show all available filters
160
161External library support:
162 --enable-avisynth enable reading of AVISynth script files [no]
163 --enable-bzlib enable bzlib [autodetect]
164 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
167 and libraw1394 [no]
168 --enable-libdirac enable Dirac support via libdirac [no]
169 --enable-libfaac enable FAAC support via libfaac [no]
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170 --enable-libgsm enable GSM support via libgsm [no]
171 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
172 --enable-libnut enable NUT (de)muxing via libnut,
173 native (de)muxer exists [no]
174 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
0f943ce6 175 --enable-librtmp enable RTMP[E] support via librtmp [no]
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176 --enable-libschroedinger enable Dirac support via libschroedinger [no]
177 --enable-libspeex enable Speex decoding via libspeex [no]
178 --enable-libtheora enable Theora encoding via libtheora [no]
179 --enable-libvorbis enable Vorbis encoding via libvorbis,
180 native implementation exists [no]
8299a7f8 181 --enable-libvpx enable VP8 support via libvpx [no]
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182 --enable-libx264 enable H.264 encoding via x264 [no]
183 --enable-libxvid enable Xvid encoding via xvidcore,
184 native MPEG-4/Xvid encoder exists [no]
185 --enable-mlib enable Sun medialib [no]
186 --enable-zlib enable zlib [autodetect]
187
188Advanced options (experts only):
189 --source-path=PATH path to source code [$source_path]
190 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
191 --enable-cross-compile assume a cross-compiler is used
192 --sysroot=PATH root of cross-build tree
193 --sysinclude=PATH location of cross-build system headers
194 --target-os=OS compiler targets OS [$target_os]
195 --target-exec=CMD command to run executables on target
196 --target-path=DIR path to view of build directory on target
197 --nm=NM use nm tool
121d78d0 198 --ar=AR use archive tool AR [$ar_default]
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199 --as=AS use assembler AS [$as_default]
200 --cc=CC use C compiler CC [$cc_default]
201 --ld=LD use linker LD
202 --host-cc=HOSTCC use host C compiler HOSTCC
203 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
204 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
205 --host-libs=HLIBS use libs HLIBS when linking for host
206 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
207 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208 --extra-libs=ELIBS add ELIBS [$ELIBS]
209 --extra-version=STRING version string suffix []
210 --build-suffix=SUFFIX library name suffix []
211 --arch=ARCH select architecture [$arch]
212 --cpu=CPU select the minimum required CPU (affects
213 instruction selection, may crash on older CPUs)
c8a4ae00 214 --disable-asm disable all assembler optimizations
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215 --disable-altivec disable AltiVec optimizations
216 --disable-amd3dnow disable 3DNow! optimizations
217 --disable-amd3dnowext disable 3DNow! extended optimizations
218 --disable-mmx disable MMX optimizations
219 --disable-mmx2 disable MMX2 optimizations
220 --disable-sse disable SSE optimizations
221 --disable-ssse3 disable SSSE3 optimizations
222 --disable-armv5te disable armv5te optimizations
223 --disable-armv6 disable armv6 optimizations
224 --disable-armv6t2 disable armv6t2 optimizations
225 --disable-armvfp disable ARM VFP optimizations
226 --disable-iwmmxt disable iwmmxt optimizations
227 --disable-mmi disable MMI optimizations
228 --disable-neon disable neon optimizations
229 --disable-vis disable VIS optimizations
230 --disable-yasm disable use of yasm assembler
231 --enable-pic build position-independent code
4ae40685 232 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 233 --enable-sram allow use of on-chip SRAM
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234
235Developer options (useful when working on FFmpeg itself):
236 --disable-debug disable debugging symbols
237 --enable-debug=LEVEL set the debug level [$debuglevel]
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238 --disable-optimizations disable compiler optimizations
239 --enable-extra-warnings enable more compiler warnings
240 --disable-stripping disable stripping of executables and shared libraries
2fad0977 241 --samples=PATH location of test samples for FATE
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242
243NOTE: Object files are built at the place where configure is launched.
244EOF
60e8bc13 245 exit 0
74c53c2d 246}
cf9d24ad 247
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248quotes='""'
249
57bd82d4 250log(){
2270b4b2 251 echo "$@" >> $logfile
57bd82d4
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252}
253
720c69da 254log_file(){
c8e9f801 255 log BEGIN $1
2270b4b2 256 pr -n -t $1 >> $logfile
c8e9f801
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257 log END $1
258}
259
2ba042a7 260echolog(){
c8e9f801 261 log "$@"
57bd82d4 262 echo "$@"
2ba042a7
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263}
264
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265warn(){
266 log "WARNING: $*"
267 WARNINGS="${WARNINGS}WARNING: $*\n"
268}
269
2ba042a7
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270die(){
271 echolog "$@"
272 cat <<EOF
d326cf7f 273
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274If you think configure made a mistake, make sure you are using the latest
275version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 276ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 277EOF
e155a21a 278 if disabled logging; then
2ba042a7 279 cat <<EOF
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280Rerun configure with logging enabled (do not use --disable-logging), and
281include the log this produces with your report.
2ba042a7
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282EOF
283 else
284cat <<EOF
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285Include the log file "$logfile" produced by configure as this will help
286solving the problem.
2ba042a7
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287EOF
288 fi
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289 exit 1
290}
291
6c6007d6 292# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 293toupper(){
6c6007d6 294 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
295}
296
4a5444db 297tolower(){
6c6007d6 298 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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299}
300
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301c_escape(){
302 echo "$*" | sed 's/["\\]/\\\0/g'
303}
304
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305sh_quote(){
306 v=$(echo "$1" | sed "s/'/'\\\\''/g")
307 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
308 echo "$v"
309}
310
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311filter(){
312 pat=$1
313 shift
314 for v; do
98ef6079 315 eval "case $v in $pat) echo $v ;; esac"
be8f2501
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316 done
317}
318
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319map(){
320 m=$1
321 shift
e0e335a0 322 for v; do eval $m; done
36e2dea0
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323}
324
a8d04fba
MR
325set_all(){
326 value=$1
327 shift
328 for var in $*; do
329 eval $var=$value
330 done
331}
332
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333set_weak(){
334 value=$1
335 shift
336 for var; do
337 eval : \${$var:=$value}
338 done
339}
340
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341pushvar(){
342 for var in $*; do
343 eval level=\${${var}_level:=0}
344 eval ${var}_${level}="\$$var"
345 eval ${var}_level=$(($level+1))
346 done
347}
348
349popvar(){
350 for var in $*; do
351 eval level=\${${var}_level:-0}
352 test $level = 0 && continue
353 eval level=$(($level-1))
354 eval $var="\${${var}_${level}}"
355 eval ${var}_level=$level
356 eval unset ${var}_${level}
357 done
358}
359
a8d04fba
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360enable(){
361 set_all yes $*
362}
363
364disable(){
365 set_all no $*
366}
367
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368enable_weak(){
369 set_weak yes $*
370}
371
372disable_weak(){
373 set_weak no $*
374}
375
72702705 376enable_safe(){
fd07f803
MR
377 for var; do
378 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
379 done
72702705
MR
380}
381
382disable_safe(){
fd07f803
MR
383 for var; do
384 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
385 done
72702705
MR
386}
387
f9d328da
MR
388do_enable_deep(){
389 for var; do
390 enabled $var && continue
391 eval sel="\$${var}_select"
c510c7b5
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392 eval sgs="\$${var}_suggest"
393 pushvar var sgs
f9d328da 394 enable_deep $sel
c510c7b5
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395 popvar sgs
396 enable_deep_weak $sgs
f9d328da
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397 popvar var
398 done
399}
400
401enable_deep(){
402 do_enable_deep $*
403 enable $*
404}
405
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406enable_deep_weak(){
407 do_enable_deep $*
408 enable_weak $*
409}
410
57bd82d4 411enabled(){
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MR
412 test "${1#!}" = "$1" && op== || op=!=
413 eval test "x\$${1#!}" $op "xyes"
44161118
MR
414}
415
37970ebf 416disabled(){
3250003c
MR
417 test "${1#!}" = "$1" && op== || op=!=
418 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
419}
420
44161118
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421enabled_all(){
422 for opt; do
423 enabled $opt || return 1
424 done
425}
426
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DB
427disabled_all(){
428 for opt; do
429 disabled $opt || return 1
430 done
431}
432
44161118
MR
433enabled_any(){
434 for opt; do
435 enabled $opt && return 0
436 done
437}
438
85bca2c5
DB
439disabled_any(){
440 for opt; do
441 disabled $opt && return 0
442 done
f7b230a7 443 return 1
85bca2c5
DB
444}
445
c9d19248
MR
446set_default(){
447 for opt; do
88268e94 448 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
449 done
450}
451
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AJ
452is_in(){
453 value=$1
454 shift
455 for var in $*; do
456 [ $var = $value ] && return 0
457 done
458 return 1
459}
460
30fd06be
MR
461check_deps(){
462 for cfg; do
3250003c 463 cfg="${cfg#!}"
799c9e9b
MR
464 enabled ${cfg}_checking && die "Circular dependency for $cfg."
465 disabled ${cfg}_checking && continue
466 enable ${cfg}_checking
467
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468 eval dep_all="\$${cfg}_deps"
469 eval dep_any="\$${cfg}_deps_any"
7ef3425f 470 eval dep_sel="\$${cfg}_select"
c510c7b5 471 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
472 eval dep_ifa="\$${cfg}_if"
473 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 474
3d7453e0
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475 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
476 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
477 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 478
3d7453e0
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479 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
480 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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MR
481 enabled_all $dep_all || disable $cfg
482 enabled_any $dep_any || disable $cfg
7ef3425f 483 disabled_any $dep_sel && disable $cfg
799c9e9b 484
4ec45764
RP
485 if enabled $cfg; then
486 eval dep_extralibs="\$${cfg}_extralibs"
487 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 488 enable_deep $dep_sel
c510c7b5 489 enable_deep_weak $dep_sgs
4ec45764
RP
490 fi
491
799c9e9b 492 disable ${cfg}_checking
30fd06be
MR
493 done
494}
495
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496print_config(){
497 pfx=$1
498 header=$2
499 makefile=$3
500 shift 3
501 for cfg; do
5e622c40 502 ucname="$(toupper $cfg)"
44161118 503 if enabled $cfg; then
3d907e22 504 echo "#define ${pfx}${ucname} 1" >> $header
3d907e22
MR
505 echo "${pfx}${ucname}=yes" >> $makefile
506 else
b250f9c6 507 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 508 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
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509 fi
510 done
57bd82d4
MR
511}
512
57bd82d4
MR
513append(){
514 var=$1
515 shift
57bd82d4
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516 eval "$var=\"\$$var $*\""
517}
518
60361817
MR
519prepend(){
520 var=$1
521 shift
522 eval "$var=\"$* \$$var\""
523}
524
50a334e4 525add_cppflags(){
caf458dd 526 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
527}
528
57bd82d4 529add_cflags(){
caf458dd 530 append CFLAGS $($filter_cflags "$@")
57bd82d4
MR
531}
532
2f2e6c7c 533add_asflags(){
caf458dd 534 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
MR
535}
536
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MR
537add_ldflags(){
538 append LDFLAGS "$@"
539}
540
541add_extralibs(){
60361817 542 prepend extralibs "$@"
57bd82d4
MR
543}
544
b0cfb663 545check_cmd(){
b3cb5d51 546 log "$@"
2270b4b2 547 "$@" >> $logfile 2>&1
b0cfb663
MR
548}
549
dcd479c0 550check_cc(){
57bd82d4 551 log check_cc "$@"
2270b4b2 552 cat > $TMPC
720c69da 553 log_file $TMPC
50a334e4 554 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
555}
556
557check_cpp(){
558 log check_cpp "$@"
2270b4b2 559 cat > $TMPC
720c69da 560 log_file $TMPC
9e7f3277 561 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
562}
563
f65883c8
MR
564check_as(){
565 log check_as "$@"
566 cat > $TMPC
567 log_file $TMPC
2f2e6c7c 568 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
569}
570
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MR
571check_asm(){
572 log check_asm "$@"
573 name="$1"
3784e82e 574 code="$2"
940f335a 575 shift 2
49214f61
MR
576 disable $name
577 check_as "$@" <<EOF && enable $name
3784e82e 578void foo(void){ __asm__ volatile($code); }
940f335a
MR
579EOF
580}
581
304d586d
LM
582check_yasm(){
583 log check_yasm "$@"
584 echo "$1" > $TMPS
585 log_file $TMPS
586 shift 1
587 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
588}
589
dcd479c0 590check_ld(){
57bd82d4 591 log check_ld "$@"
3155a644
MR
592 flags=''
593 libs=''
594 for f; do
595 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
596 done
2a194acd 597 check_cc $($filter_cflags $flags) || return
684b28e0 598 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
599}
600
50a334e4
MR
601check_cppflags(){
602 log check_cppflags "$@"
caf458dd
MR
603 set -- $($filter_cppflags "$@")
604 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
605int x;
606EOF
607}
608
dcd479c0 609check_cflags(){
57bd82d4 610 log check_cflags "$@"
caf458dd
MR
611 set -- $($filter_cflags "$@")
612 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
613int x;
614EOF
615}
616
2ed46eea
MR
617test_ldflags(){
618 log test_ldflags "$@"
619 check_ld "$@" <<EOF
c23a0ac8 620int main(void){ return 0; }
dcd479c0
MR
621EOF
622}
623
2ed46eea
MR
624check_ldflags(){
625 log check_ldflags "$@"
626 test_ldflags "$@" && add_ldflags "$@"
627}
628
dcd479c0 629check_header(){
57bd82d4 630 log check_header "$@"
dcd479c0
MR
631 header=$1
632 shift
b77df637
MR
633 disable_safe $header
634 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
635#include <$header>
636int x;
637EOF
638}
639
640check_func(){
57bd82d4 641 log check_func "$@"
dcd479c0
MR
642 func=$1
643 shift
d8bc5f06
MR
644 disable $func
645 check_ld "$@" <<EOF && enable $func
dcd479c0 646extern int $func();
c23a0ac8 647int main(void){ $func(); }
dcd479c0
MR
648EOF
649}
650
645d2652 651check_mathfunc(){
6b73c0ae 652 log check_mathfunc "$@"
645d2652
MR
653 func=$1
654 shift
655 disable $func
656 check_ld "$@" <<EOF && enable $func
657#include <math.h>
33bd38db
MR
658float foo(float f) { return $func(f); }
659int main(void){ return 0; }
645d2652
MR
660EOF
661}
662
2446d3d6
DB
663check_func_headers(){
664 log check_func_headers "$@"
f8d7b072
MR
665 headers=$1
666 func=$2
667 shift 2
668 disable $func
669 incs=""
670 for hdr in $headers; do
671 incs="$incs
672#include <$hdr>"
673 done
cd0d9a9d 674 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 675$incs
d6773f56 676int main(int argc, char **argv){
2b2c2a81 677 return (long) $func;
f8d7b072
MR
678}
679EOF
680}
681
a5344cf7
SS
682check_cpp_condition(){
683 log check_cpp_condition "$@"
684 header=$1
685 condition=$2
f855b7b9
MR
686 shift 2
687 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
688#include <$header>
689#if !($condition)
690#error "unsatisfied condition: $condition"
691#endif
692EOF
693}
694
57bd82d4
MR
695check_lib(){
696 log check_lib "$@"
697 header="$1"
698 func="$2"
699 shift 2
84400e9d 700 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
701}
702
f8d7b072
MR
703check_lib2(){
704 log check_lib2 "$@"
705 headers="$1"
706 func="$2"
707 shift 2
300cde27 708 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
709}
710
dcd479c0 711check_exec(){
2270b4b2 712 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
713}
714
7dfef245 715check_exec_crash(){
5e622c40 716 code=$(cat)
7dfef245
MR
717
718 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
719 # are safe but may not be available everywhere. Thus we use
720 # raise(SIGTERM) instead. The check is run in a subshell so we
721 # can redirect the "Terminated" message from the shell. SIGBUS
722 # is not defined by standard C so it is used conditionally.
723
2270b4b2 724 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
725#include <signal.h>
726static void sighandler(int sig){
727 raise(SIGTERM);
728}
e5af4a11 729int main(void){
7dfef245
MR
730 signal(SIGILL, sighandler);
731 signal(SIGFPE, sighandler);
732 signal(SIGSEGV, sighandler);
733#ifdef SIGBUS
734 signal(SIGBUS, sighandler);
735#endif
736 { $code }
737}
738EOF
739}
740
72be9e73
DY
741check_type(){
742 log check_type "$@"
743 headers=$1
744 type=$2
745 shift 2
ae550ce9 746 disable_safe "$type"
72be9e73
DY
747 incs=""
748 for hdr in $headers; do
749 incs="$incs
750#include <$hdr>"
751 done
ae550ce9 752 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
753$incs
754$type v;
755EOF
756}
757
14d36751
MR
758check_struct(){
759 log check_type "$@"
760 headers=$1
761 struct=$2
762 member=$3
763 shift 3
764 disable_safe "${struct}_${member}"
765 incs=""
766 for hdr in $headers; do
767 incs="$incs
768#include <$hdr>"
769 done
770 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
771$incs
772const void *p = &(($struct *)0)->$member;
773EOF
774}
775
57bd82d4
MR
776require(){
777 name="$1"
778 header="$2"
779 func="$3"
780 shift 3
781 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
782}
783
f8d7b072
MR
784require2(){
785 name="$1"
786 headers="$2"
787 func="$3"
788 shift 3
789 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
790}
791
f0125de9
MR
792check_host_cc(){
793 log check_host_cc "$@"
794 cat > $TMPC
795 log_file $TMPC
796 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
797}
798
799check_host_cflags(){
800 log check_host_cflags "$@"
801 check_host_cc "$@" <<EOF && append host_cflags "$@"
802int x;
803EOF
804}
805
c505dd31
MR
806apply(){
807 file=$1
808 shift
809 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
810}
811
c34681df
MR
812cp_if_changed(){
813 cmp -s "$1" "$2" &&
814 echo "$2 is unchanged" ||
815 cp -f "$1" "$2"
816}
817
dcd61286
DB
818# CONFIG_LIST contains configurable options, while HAVE_LIST is for
819# system-dependent things.
820
4a0d6686
AJ
821COMPONENT_LIST="
822 bsfs
823 decoders
824 demuxers
825 encoders
3cde40aa 826 filters
5666fd73 827 hwaccels
c552605c 828 indevs
4a0d6686 829 muxers
c552605c 830 outdevs
4a0d6686
AJ
831 parsers
832 protocols
833"
834
835CONFIG_LIST="
836 $COMPONENT_LIST
e8ed9b7a 837 aandct
5a0f7131
MR
838 avcodec
839 avdevice
f7679c54
VS
840 avfilter
841 avfilter_lavf
5a0f7131 842 avformat
c88f5d72 843 avisynth
f402916e 844 bzlib
7f3f5f46 845 dct
c73f65d9 846 doc
05aec7bb 847 dwt
92c6a099 848 dxva2
27a9466b 849 fastdiv
c88f5d72
MR
850 ffmpeg
851 ffplay
336ce917 852 ffprobe
c88f5d72 853 ffserver
1848f7d9 854 fft
4f034993 855 golomb
c88f5d72 856 gpl
d8d0d0b2 857 gray
4693b031 858 h264dsp
3abe5fbd 859 hardcoded_tables
f7b8bffe 860 libdc1394
690bfceb 861 libdirac
2eed5a46 862 libfaac
c88f5d72 863 libgsm
6ebe07fb 864 libmp3lame
c88f5d72 865 libnut
0b175caa
DB
866 libopencore_amrnb
867 libopencore_amrwb
9a77d59a 868 libopenjpeg
0f943ce6 869 librtmp
f7cd9eed 870 libschroedinger
ae14f311 871 libspeex
150d2772 872 libtheora
c88f5d72 873 libvorbis
8299a7f8 874 libvpx
1cc60c47
DB
875 libx264
876 libxvid
f4d608e3 877 lpc
b781cc12 878 lsp
47a158cb 879 mdct
c88f5d72 880 memalign_hack
a8150374 881 mlib
c88f5d72
MR
882 mpegaudio_hp
883 network
3fe142e2 884 nonfree
8a3c8627 885 pic
4a24ab64 886 postproc
68602540 887 rdft
e90f5b5a 888 runtime_cpudetect
2e35e684 889 shared
bd2216e4 890 small
6b35d421 891 sram
2e35e684 892 static
5a0f7131 893 swscale
a9ddb5b1 894 swscale_alpha
17492d5e
DB
895 vaapi
896 vdpau
9cad0e4e 897 version3
56a059ac 898 x11grab
c88f5d72 899 zlib
4a0d6686 900"
c88f5d72 901
8eee7025 902THREADS_LIST='
8eee7025
DB
903 pthreads
904 w32threads
905'
906
3f5b56e5
MR
907ARCH_LIST='
908 alpha
a2fc0f6a 909 arm
fdcd782d
MR
910 avr32
911 avr32_ap
912 avr32_uc
3f5b56e5
MR
913 bfin
914 ia64
915 m68k
916 mips
bae3abb0 917 mips64
3f5b56e5 918 parisc
79cb09b2 919 ppc
34d11b87 920 ppc64
3f5b56e5
MR
921 s390
922 sh4
923 sparc
924 sparc64
0844bae1 925 tomi
3f5b56e5
MR
926 x86
927 x86_32
928 x86_64
929'
930
931ARCH_EXT_LIST='
1ac9331a 932 altivec
3bf96eec 933 amd3dnow
a1ef9f08 934 amd3dnowext
1ac9331a 935 armv5te
edab3048 936 armv6
ab5cb084 937 armv6t2
f55b299a 938 armvfp
3f5b56e5
MR
939 iwmmxt
940 mmi
941 mmx
d7f0920b 942 mmx2
6b18d278 943 neon
799fde37 944 ppc4xx
1bb04d5a 945 sse
9eeed841 946 ssse3
bd9d34a0 947 vis
3f5b56e5
MR
948'
949
a3e02a8c
MR
950HAVE_LIST_PUB='
951 bigendian
952'
953
3f5b56e5
MR
954HAVE_LIST="
955 $ARCH_EXT_LIST
a3e02a8c 956 $HAVE_LIST_PUB
3f5b56e5 957 $THREADS_LIST
35fd8122 958 alsa_asoundlib_h
3f5b56e5 959 altivec_h
c9fdab0d 960 arpa_inet_h
dffb41b9 961 attribute_may_alias
e7ea5e3d 962 attribute_packed
6bd859d6 963 bswap
ecf97f22 964 closesocket
1ac9331a 965 cmov
e16e49ac 966 conio_h
c88f5d72 967 dcbzl
f8aa696f
DB
968 dev_bktr_ioctl_bt848_h
969 dev_bktr_ioctl_meteor_h
970 dev_ic_bt8xx_h
971 dev_video_meteor_ioctl_meteor_h
972 dev_video_bktr_ioctl_bt848_h
18b67ae5 973 dlfcn_h
c88f5d72 974 dlopen
bc574408 975 dos_paths
245626d0
DB
976 ebp_available
977 ebx_available
6b7c7703
VS
978 exp2
979 exp2f
c2a29455 980 fast_64bit
669b5583 981 fast_clz
7073e9fc 982 fast_cmov
7b829d2a 983 fast_unaligned
534a2231 984 fcntl
9d99cc5a 985 fork
84882df6 986 getaddrinfo
da9e86f8 987 gethrtime
fc5607f8 988 GetProcessMemoryInfo
4e68cb8a 989 GetProcessTimes
66be5b45 990 getrusage
a49d3025 991 gnu_as
fc5607f8 992 struct_rusage_ru_maxrss
2f0c136e 993 ibm_asm
2e1913b1 994 inet_aton
61d251db 995 inline_asm
abfc8d05 996 isatty
9f5ff83f 997 ldbrx
0b4a1821
AS
998 libdc1394_1
999 libdc1394_2
a33cab3a 1000 llrint
07876e25 1001 llrintf
d96cd429
MR
1002 local_aligned_16
1003 local_aligned_8
291fd18a 1004 log2
6b7c7703 1005 log2f
85dd97ad 1006 loongson
a33cab3a 1007 lrint
c88f5d72 1008 lrintf
e4673692 1009 lzo1x_999_compress
f8aa696f
DB
1010 machine_ioctl_bt848_h
1011 machine_ioctl_meteor_h
c88f5d72
MR
1012 malloc_h
1013 memalign
6ffa87d3 1014 mkstemp
b4e806b2 1015 pld
1f91cdce 1016 posix_memalign
a33cab3a
MK
1017 round
1018 roundf
c88f5d72
MR
1019 sdl
1020 sdl_video_size
b507ebd1 1021 setmode
72be9e73 1022 socklen_t
deb29777 1023 soundcard_h
f8cda19e 1024 poll_h
0104b608 1025 setrlimit
87958234 1026 strerror_r
c0018613 1027 struct_addrinfo
b4d68544
MS
1028 struct_ipv6_mreq
1029 struct_sockaddr_in6
3b2372bf 1030 struct_sockaddr_sa_len
33a4dbdd 1031 struct_sockaddr_storage
b462d132
MR
1032 symver
1033 symver_gnu_asm
1034 symver_asm_label
b58412f1 1035 sys_mman_h
b091aa44 1036 sys_resource_h
81644c2e 1037 sys_select_h
deb29777 1038 sys_soundcard_h
1b6e8b73 1039 sys_videoio_h
d3a4b4e0 1040 ten_operands
e16e49ac 1041 termios_h
b265431e 1042 threads
7b04b8a0 1043 truncf
ce742de2 1044 vfp_args
7c5bfe7a 1045 VirtualAlloc
6ff3f3e7 1046 winsock2_h
cc078b5d 1047 xform_asm
304d586d 1048 yasm
0cb78cef 1049"
44161118 1050
b6bb00b0
MR
1051# options emitted with CONFIG_ prefix but not available on command line
1052CONFIG_EXTRA="
dc4f5a1c 1053 avutil
9cad0e4e
DB
1054 gplv3
1055 lgplv3
b6bb00b0
MR
1056"
1057
520cc7f1 1058CMDLINE_SELECT="
3f5b56e5 1059 $ARCH_EXT_LIST
520cc7f1 1060 $CONFIG_LIST
8eee7025 1061 $THREADS_LIST
c8a4ae00 1062 asm
db6107b6 1063 cross_compile
520cc7f1
MR
1064 debug
1065 extra_warnings
8c6afa4d 1066 logging
d2bbb2f7 1067 optimizations
87a0fb62 1068 stripping
7595a5e4 1069 yasm
520cc7f1 1070"
426be5dc
DB
1071
1072PATHS_LIST='
d156bede 1073 bindir
14a8acf1 1074 datadir
26759c44
MR
1075 incdir
1076 libdir
26759c44
MR
1077 mandir
1078 prefix
1079 shlibdir
426be5dc
DB
1080'
1081
1082CMDLINE_SET="
1083 $PATHS_LIST
121d78d0 1084 ar
426be5dc 1085 arch
313c46a6 1086 as
426be5dc
DB
1087 build_suffix
1088 cc
1089 cpu
1090 cross_prefix
50567afa 1091 dep_cc
ac63af34 1092 extra_version
9da6609f
MR
1093 host_cc
1094 host_cflags
1095 host_ldflags
1096 host_libs
82bb3329 1097 host_os
684b28e0 1098 ld
426be5dc 1099 logfile
4ae40685 1100 malloc_prefix
89641463 1101 nm
2fad0977 1102 samples
26759c44 1103 source_path
4f837398 1104 strip
c5200f17
MR
1105 sysinclude
1106 sysroot
a7ada2ba 1107 target_exec
26759c44 1108 target_os
a7ada2ba 1109 target_path
426be5dc 1110"
520cc7f1 1111
89f2932b
MR
1112CMDLINE_APPEND="
1113 extra_cflags
1114"
1115
912f3148
DB
1116# code dependency declarations
1117
9eeed841 1118# architecture extensions
808fa33c 1119
a2fc0f6a
MR
1120armv5te_deps="arm"
1121armv6_deps="arm"
ab5cb084 1122armv6t2_deps="arm"
a2fc0f6a
MR
1123armvfp_deps="arm"
1124iwmmxt_deps="arm"
808fa33c
MR
1125neon_deps="arm"
1126
e241ba14 1127mmi_deps="mips"
808fa33c
MR
1128
1129altivec_deps="ppc"
1130ppc4xx_deps="ppc"
1131
1132vis_deps="sparc"
1133
7f8c3d1f 1134x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1135amd3dnow_deps="mmx"
1136amd3dnowext_deps="amd3dnow"
9eeed841 1137mmx_deps="x86"
75aa95a6 1138mmx2_deps="mmx"
75aa95a6
DB
1139sse_deps="mmx"
1140ssse3_deps="sse"
9eeed841 1141
e939cedd 1142fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1143fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1144fast_unaligned_if_any="armv6 ppc x86"
669b5583 1145
89e053f8 1146need_memalign="altivec neon sse"
6fec122a 1147inline_asm_deps="!tms470"
89e053f8 1148
b462d132
MR
1149symver_if_any="symver_asm_label symver_gnu_asm"
1150
26fbcc85
MR
1151# subsystems
1152mdct_select="fft"
1153rdft_select="fft"
1154
5666fd73 1155# decoders / encoders / hardware accelerators
49351479 1156aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1157aac_encoder_select="mdct"
1158ac3_decoder_select="mdct ac3_parser"
f4d608e3 1159alac_encoder_select="lpc"
b781cc12 1160amrnb_decoder_select="lsp"
084cbbaa 1161atrac1_decoder_select="mdct"
26fbcc85
MR
1162atrac3_decoder_select="mdct"
1163binkaudio_dct_decoder_select="mdct rdft dct"
1164binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1165cavs_decoder_select="golomb"
26fbcc85 1166cook_decoder_select="mdct"
2eef7c62 1167cscd_decoder_suggest="zlib"
26fbcc85 1168dca_decoder_select="mdct"
e8ed9b7a 1169dnxhd_encoder_select="aandct"
2eef7c62 1170dxa_decoder_select="zlib"
baf91bb9 1171eac3_decoder_select="ac3_decoder"
84c04e25 1172eamad_decoder_select="aandct"
e8ed9b7a 1173eatgq_decoder_select="aandct"
d52b39c7 1174eatqi_decoder_select="aandct"
4f034993
MR
1175ffv1_decoder_select="golomb"
1176flac_decoder_select="golomb"
f4d608e3 1177flac_encoder_select="golomb lpc"
2eef7c62
AJ
1178flashsv_decoder_select="zlib"
1179flashsv_encoder_select="zlib"
4414137e 1180flv_decoder_select="h263_decoder"
4d4b4bd1 1181flv_encoder_select="h263_encoder"
e8ed9b7a 1182h261_encoder_select="aandct"
7f647ae0 1183h263_decoder_select="h263_parser"
e8ed9b7a 1184h263_encoder_select="aandct"
95a61cfc 1185h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1186h263i_decoder_select="h263_decoder"
fe629c2d 1187h263p_encoder_select="h263_encoder"
4693b031 1188h264_decoder_select="golomb h264dsp"
92c6a099
LA
1189h264_dxva2_hwaccel_deps="dxva2api_h"
1190h264_dxva2_hwaccel_select="dxva2 h264_decoder"
17492d5e 1191h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1192h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1193imc_decoder_select="fft mdct"
4f034993
MR
1194jpegls_decoder_select="golomb"
1195jpegls_encoder_select="golomb"
e8ed9b7a 1196ljpeg_encoder_select="aandct"
4f034993 1197loco_decoder_select="golomb"
e8ed9b7a 1198mjpeg_encoder_select="aandct"
2cca233b 1199mlp_decoder_select="mlp_parser"
d9da8f10
AJ
1200mp1float_decoder_select="dct"
1201mp2float_decoder_select="dct"
1202mp3adufloat_decoder_select="dct"
1203mp3float_decoder_select="dct"
1204mp3on4float_decoder_select="dct"
e8ed9b7a
DB
1205mpeg1video_encoder_select="aandct"
1206mpeg2video_encoder_select="aandct"
4414137e 1207mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1208mpeg4_encoder_select="h263_encoder"
95a61cfc 1209mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1210mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
164aab02
LA
1211mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1212mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1213mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
95a61cfc 1214mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1215mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1216mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1217mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1218msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1219msmpeg4v1_encoder_select="h263_encoder"
4414137e 1220msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1221msmpeg4v2_encoder_select="h263_encoder"
4414137e 1222msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1223msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1224nellymoser_decoder_select="mdct"
1225nellymoser_encoder_select="mdct"
2eef7c62
AJ
1226png_decoder_select="zlib"
1227png_encoder_select="zlib"
b781cc12 1228qcelp_decoder_select="lsp"
26fbcc85 1229qdm2_decoder_select="mdct rdft"
31ed3f1f 1230ra_144_encoder_select="lpc"
a8beb22f 1231rv10_decoder_select="h263_decoder"
b2bf38b4 1232rv10_encoder_select="h263_encoder"
a8beb22f 1233rv20_decoder_select="h263_decoder"
b2bf38b4 1234rv20_encoder_select="h263_encoder"
4693b031
MR
1235rv30_decoder_select="golomb h264dsp"
1236rv40_decoder_select="golomb h264dsp"
4f034993 1237shorten_decoder_select="golomb"
b781cc12 1238sipr_decoder_select="lsp"
05aec7bb
MR
1239snow_decoder_select="dwt"
1240snow_encoder_select="aandct dwt"
4f034993
MR
1241sonic_decoder_select="golomb"
1242sonic_encoder_select="golomb"
1243sonic_ls_encoder_select="golomb"
19ecfb8a 1244svq1_encoder_select="aandct"
4693b031 1245svq3_decoder_select="golomb h264dsp"
bee2eac5 1246svq3_decoder_suggest="zlib"
4eef77c1 1247theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1248tiff_decoder_suggest="zlib"
1249tiff_encoder_suggest="zlib"
aec09a00 1250truehd_decoder_select="mlp_decoder"
2eef7c62 1251tscc_decoder_select="zlib"
b781cc12 1252twinvq_decoder_select="mdct lsp"
f95bfab0 1253vc1_decoder_select="h263_decoder"
9104cd51 1254vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1255vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1256vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1257vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1258vorbis_decoder_select="mdct"
1259vorbis_encoder_select="mdct"
e82dc4c9
DB
1260vp6a_decoder_select="vp6_decoder"
1261vp6f_decoder_select="vp6_decoder"
0912db02 1262vp8_decoder_select="h264dsp"
084cbbaa 1263wmapro_decoder_select="mdct"
26fbcc85
MR
1264wmav1_decoder_select="mdct"
1265wmav1_encoder_select="mdct"
1266wmav2_decoder_select="mdct"
1267wmav2_encoder_select="mdct"
005ad8a0 1268wmavoice_decoder_select="lsp rdft dct"
f95bfab0 1269wmv1_decoder_select="h263_decoder"
665507aa 1270wmv1_encoder_select="h263_encoder"
f95bfab0 1271wmv2_decoder_select="h263_decoder"
1746e2a9 1272wmv2_encoder_select="h263_encoder"
015f8ee0 1273wmv3_decoder_select="vc1_decoder"
f0f86627 1274wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1275wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1276wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1277zlib_decoder_select="zlib"
1278zlib_encoder_select="zlib"
1279zmbv_decoder_select="zlib"
1280zmbv_encoder_select="zlib"
30fd06be 1281
0afab17e 1282vaapi_deps="va_va_h"
c89c96e9
MR
1283vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1284
28b80940 1285# parsers
4693b031 1286h264_parser_select="golomb h264dsp"
28b80940 1287
f1e94694
DB
1288# bitstream_filters
1289aac_adtstoasc_bsf_select="aac_parser"
1290
912f3148 1291# external libraries
1b71f045 1292libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1293libdirac_encoder_deps="libdirac"
c9171a83 1294libfaac_encoder_deps="libfaac"
299c77d5
MR
1295libgsm_decoder_deps="libgsm"
1296libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1297libgsm_ms_decoder_deps="libgsm"
1298libgsm_ms_encoder_deps="libgsm"
1cc60c47 1299libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1300libopencore_amrnb_decoder_deps="libopencore_amrnb"
1301libopencore_amrnb_encoder_deps="libopencore_amrnb"
1302libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1303libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1304libschroedinger_decoder_deps="libschroedinger"
1305libschroedinger_encoder_deps="libschroedinger"
ae14f311 1306libspeex_decoder_deps="libspeex"
150d2772 1307libtheora_encoder_deps="libtheora"
b0caf888 1308libvorbis_encoder_deps="libvorbis"
8299a7f8 1309libvpx_decoder_deps="libvpx"
ee0e9146 1310libvpx_encoder_deps="libvpx"
1cc60c47
DB
1311libx264_encoder_deps="libx264"
1312libxvid_encoder_deps="libxvid"
30fd06be 1313
912f3148 1314# demuxers / muxers
03a76ba9 1315ac3_demuxer_deps="ac3_parser"
647c2356 1316asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1317avisynth_demuxer_deps="avisynth"
1318dirac_demuxer_deps="dirac_parser"
5b423887 1319eac3_demuxer_select="ac3_parser"
647c2356 1320ipod_muxer_select="mov_muxer"
4e622dea
SS
1321libnut_demuxer_deps="libnut"
1322libnut_muxer_deps="libnut"
647c2356 1323matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1324matroska_demuxer_suggest="zlib bzlib"
1325mov_demuxer_suggest="zlib"
1326mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1327mp4_muxer_select="mov_muxer"
1328mpegtsraw_demuxer_select="mpegts_demuxer"
1329mxf_d10_muxer_select="mxf_muxer"
24ca518b 1330ogg_demuxer_select="golomb"
647c2356 1331psp_muxer_select="mov_muxer"
4e622dea 1332rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1333rtsp_muxer_deps="sdp_demuxer"
1334rtsp_muxer_select="rtp_muxer"
4e622dea 1335sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1336sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1337spdif_muxer_select="aac_parser"
647c2356
DB
1338tg2_muxer_select="mov_muxer"
1339tgp_muxer_select="mov_muxer"
6bdaa5f4 1340w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1341
1342# indevs / outdevs
38e54a75
SS
1343alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1344alsa_indev_extralibs="-lasound"
1345alsa_outdev_deps="alsa_asoundlib_h"
1346alsa_outdev_extralibs="-lasound"
38e54a75 1347bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1348dv1394_indev_deps="dv1394 dv_demuxer"
1349jack_indev_deps="jack_jack_h"
1350jack_indev_extralibs="-ljack"
1351libdc1394_indev_deps="libdc1394"
38e54a75
SS
1352oss_indev_deps_any="soundcard_h sys_soundcard_h"
1353oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1354v4l_indev_deps="linux_videodev_h"
1355v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1356vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1357vfwcap_indev_extralibs="-lavicap32"
38e54a75 1358x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1359x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1360
912f3148 1361# protocols
3fff6382 1362gopher_protocol_deps="network"
c08fb000 1363http_protocol_deps="network"
279a0c97 1364http_protocol_select="tcp_protocol"
b4cf3f6c 1365mmst_protocol_deps="network"
deeb7012
MS
1366rtmp_protocol_select="tcp_protocol"
1367rtp_protocol_select="udp_protocol"
c08fb000
AB
1368tcp_protocol_deps="network"
1369udp_protocol_deps="network"
1370
f7679c54 1371# filters
81124ba0 1372movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1373avfilter_lavf_deps="avformat"
1374
1375# libraries
1376avdevice_deps="avcodec avformat"
1377avformat_deps="avcodec"
f7679c54 1378
912f3148 1379# programs
5a0f7131 1380ffmpeg_deps="avcodec avformat swscale"
21ae6790 1381ffmpeg_select="buffer_filter"
5a0f7131 1382ffplay_deps="avcodec avformat swscale sdl"
43689902 1383ffplay_select="rdft"
336ce917 1384ffprobe_deps="avcodec avformat"
5a0f7131 1385ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1386ffserver_extralibs='$ldl'
a2830dca 1387
c73f65d9 1388doc_deps="texi2html"
912f3148 1389
de6d9b64 1390# default parameters
8a608357 1391
19bd477d 1392logfile="config.log"
8a608357
MR
1393
1394# installation paths
c9d19248
MR
1395prefix_default="/usr/local"
1396bindir_default='${prefix}/bin'
14a8acf1 1397datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1398incdir_default='${prefix}/include'
1399libdir_default='${prefix}/lib'
1400mandir_default='${prefix}/share/man'
1401shlibdir_default="$libdir_default"
8a608357
MR
1402
1403# toolchain
121d78d0 1404ar_default="ar"
13c7df3d 1405cc_default="gcc"
a3d7c197 1406cc_version=\"unknown\"
9da6609f 1407host_cc_default="gcc"
11e6d03a 1408ln_s="ln -sf"
89641463 1409nm_default="nm"
11e6d03a 1410objformat="elf"
be7109c1 1411ranlib="ranlib"
4f837398 1412strip_default="strip"
11e6d03a 1413yasmexe="yasm"
8a608357 1414
8182dc34
MR
1415nm_opts='-g'
1416
8a608357 1417# machine
8d4c00ed 1418arch_default=$(uname -m)
38d0a8aa 1419cpu="generic"
8a608357 1420
8a608357 1421# OS
8d4c00ed
MR
1422target_os_default=$(tolower $(uname -s))
1423host_os=$target_os_default
8a608357 1424
8a608357 1425# configurable options
5a0f7131
MR
1426enable avcodec
1427enable avdevice
cccc039f 1428enable avfilter
5a0f7131 1429enable avformat
dc4f5a1c 1430enable avutil
c8a4ae00 1431enable asm
497237c7 1432enable debug
c73f65d9 1433enable doc
aa033b1e 1434enable fastdiv
497237c7
RP
1435enable ffmpeg
1436enable ffplay
336ce917 1437enable ffprobe
497237c7 1438enable ffserver
497237c7
RP
1439enable mpegaudio_hp
1440enable network
8400d6b8 1441enable optimizations
497237c7 1442enable protocols
530dc538 1443enable static
87a0fb62 1444enable stripping
5a0f7131 1445enable swscale
a9ddb5b1 1446enable swscale_alpha
8a608357 1447
8a608357 1448# build settings
9987769a 1449SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1450FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1451LIBPREF="lib"
1452LIBSUF=".a"
c5f14466
RP
1453FULLNAME='$(NAME)$(BUILDSUF)'
1454LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1455SLIBPREF="lib"
1456SLIBSUF=".so"
c5f14466 1457SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1458SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1459SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1460LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1461
7e6c86e6
MR
1462CC_O='-o $@'
1463
f0125de9 1464host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1465host_libs='-lm'
1466
9b861379 1467target_path='$(CURDIR)'
a7ada2ba 1468
a158446b
MR
1469# since the object filename is not given with the -MM flag, the compiler
1470# is only able to print the basename, and we must add the path ourselves
c1c3933a 1471DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1472DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1473
c597172e 1474# find source path
5e622c40 1475source_path="$(dirname "$0")"
497237c7 1476enable source_path_used
24524f36 1477if test -f configure; then
5e622c40 1478 source_path="$(pwd)"
497237c7 1479 disable source_path_used
c597172e 1480else
5e622c40 1481 source_path="$(cd "$source_path"; pwd)"
c597172e 1482 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1483 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1484 test -e "$source_path/config.h" &&
1485 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1486fi
1487
13cbe2c0 1488for v in "$@"; do
b04251c5
MR
1489 r=${v#*=}
1490 l=${v%"$r"}
1491 r=$(sh_quote "$r")
13cbe2c0
MR
1492 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1493done
c597172e 1494
73ef8980
MR
1495find_things(){
1496 thing=$1
1497 pattern=$2
1498 file=$source_path/$3
932ccf39 1499 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1500}
1501
1502ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1503DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1504HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1505PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1506BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1507MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1508DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1509OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1510INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1511PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1512FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1513
8469ae22
MR
1514for n in $COMPONENT_LIST; do
1515 v=$(toupper ${n%s})_LIST
1516 eval enable \$$v
1517 eval ${n}_if_any="\$$v"
1518done
1519
1520enable $ARCH_EXT_LIST
c597172e
MR
1521
1522die_unknown(){
1523 echo "Unknown option \"$1\"."
1524 echo "See $0 --help for available options."
1525 exit 1
1526}
1527
794f8e97 1528show_list() {
bf0c4afa
RP
1529 suffix=_$1
1530 shift
2b444ea7 1531 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1532 exit 0
1533}
1534
c597172e 1535for opt do
7483e694
DB
1536 optval="${opt#*=}"
1537 case "$opt" in
0f010b2f 1538 --extra-ldflags=*) add_ldflags $optval
7483e694 1539 ;;
0f010b2f 1540 --extra-libs=*) add_extralibs $optval
7483e694 1541 ;;
8fb1cb58 1542 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1543 ;;
40bcf4c7
BL
1544 --enable-debug=*) debuglevel="$optval"
1545 ;;
36e2dea0 1546 --disable-everything)
1b15dc3c 1547 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1548 ;;
7483e694 1549 --enable-*=*|--disable-*=*)
8b93ddc3 1550 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1551 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1552 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1553 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1554 $action $(filter "$name" $list)
7483e694
DB
1555 ;;
1556 --enable-?*|--disable-?*)
5e622c40 1557 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1558 if is_in $option $COMPONENT_LIST; then
fed5d54b 1559 test $action = disable && action=unset
e3773a55
MR
1560 eval $action \$$(toupper ${option%s})_LIST
1561 elif is_in $option $CMDLINE_SELECT; then
1562 $action $option
1563 else
1564 die_unknown $opt
1565 fi
7483e694
DB
1566 ;;
1567 --list-*)
1568 NAME="${opt#--list-}"
1569 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1570 NAME=${NAME%s}
1571 eval show_list $NAME \$$(toupper $NAME)_LIST
1572 ;;
1573 --help|-h) show_help
1574 ;;
1575 *)
884a36a7 1576 optname="${opt%%=*}"
26759c44
MR
1577 optname="${optname#--}"
1578 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1579 if is_in $optname $CMDLINE_SET; then
1580 eval $optname='$optval'
1581 elif is_in $optname $CMDLINE_APPEND; then
1582 append $optname "$optval"
1583 else
1584 die_unknown $opt
1585 fi
7483e694
DB
1586 ;;
1587 esac
c597172e
MR
1588done
1589
bcea99bb
MR
1590disabled logging && logfile=/dev/null
1591
13cbe2c0 1592echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1593set >> $logfile
1594
9da6609f
MR
1595test -n "$cross_prefix" && enable cross_compile
1596
8d4c00ed
MR
1597if enabled cross_compile; then
1598 test -n "$arch" && test -n "$target_os" ||
1599 die "Must specify target arch and OS when cross-compiling"
1600fi
1601
1602set_default arch target_os
1603
121d78d0 1604ar_default="${cross_prefix}${ar_default}"
11e6d03a 1605cc_default="${cross_prefix}${cc_default}"
20e0ed95 1606nm_default="${cross_prefix}${nm_default}"
adb2b908 1607ranlib="${cross_prefix}${ranlib}"
4f837398 1608strip_default="${cross_prefix}${strip_default}"
adb2b908 1609
c5200f17
MR
1610sysinclude_default="${sysroot}/usr/include"
1611
4f837398 1612set_default cc nm strip sysinclude
9da6609f
MR
1613enabled cross_compile || host_cc_default=$cc
1614set_default host_cc
13c7df3d 1615
82bb3329
MR
1616exesuf() {
1617 case $1 in
1618 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1619 esac
1620}
1621
1622EXESUF=$(exesuf $target_os)
1623HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1624
e4e69e0b 1625# set temporary file name
a49d42c2 1626: ${TMPDIR:=$TEMPDIR}
c51fafa1 1627: ${TMPDIR:=$TMP}
a49d42c2 1628: ${TMPDIR:=/tmp}
e4e69e0b 1629
54460a83
MR
1630if ! check_cmd type mktemp; then
1631 # simple replacement for missing mktemp
1632 # NOT SAFE FOR GENERAL USE
1633 mktemp(){
1634 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1635 }
1636fi
1637
1638tmpfile(){
1639 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1640 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1641 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1642 append TMPFILES $tmp
1643 eval $1=$tmp
1644}
1645
1646trap 'rm -f -- $TMPFILES' EXIT
1647trap exit HUP INT TERM
1648
1649tmpfile TMPC .c
1650tmpfile TMPE $EXESUF
1651tmpfile TMPH .h
1652tmpfile TMPO .o
1653tmpfile TMPS .S
a482e61b 1654tmpfile TMPV .ver
54460a83
MR
1655tmpfile TMPSH .sh
1656
1657unset -f mktemp
e4e69e0b 1658
993f2d0f
MR
1659# make sure we can execute files in $TMPDIR
1660cat > $TMPSH 2>> $logfile <<EOF
1661#! /bin/sh
1662EOF
1663chmod +x $TMPSH >> $logfile 2>&1
1664if ! $TMPSH >> $logfile 2>&1; then
1665 cat <<EOF
1666Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1667variable to another directory and make sure that it is not mounted noexec.
1668EOF
1669 die "Sanity test failed."
1670fi
993f2d0f 1671
19b4c628
MR
1672filter_cflags=echo
1673filter_cppflags=echo
1674filter_asflags=echo
1675
8f0c157a 1676if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1677 cc_type=gcc
a3d7c197 1678 cc_version=__VERSION__
aef6bd1b
MR
1679 if ! $cc -dumpversion | grep -q '^2\.'; then
1680 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1681 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1682 fi
14ca9cd0
MR
1683 speed_cflags='-O3'
1684 size_cflags='-Os'
629687f6
MR
1685elif $cc --version 2>/dev/null | grep -q Intel; then
1686 cc_type=icc
6e3fa35d 1687 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1688 CC_DEPFLAGS='-MMD'
1689 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1690 speed_cflags='-O3'
1691 size_cflags='-Os'
b05394a0 1692 noopt_cflags='-O1'
629687f6
MR
1693elif $cc -v 2>&1 | grep -q xlc; then
1694 cc_type=xlc
6e3fa35d 1695 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1696 speed_cflags='-O5'
1697 size_cflags='-O5 -qcompact'
df442a8d
MR
1698elif $cc -V 2>/dev/null | grep -q Compaq; then
1699 cc_type=ccc
6e3fa35d 1700 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1701 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1702 debuglevel=3
df442a8d 1703 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1704 speed_cflags='-fast'
1705 size_cflags='-O1'
6a0d5493 1706elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1707 test -d "$sysroot" || die "No valid sysroot specified."
1708 cc_type=armcc
6e3fa35d 1709 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1710 armcc_conf="$PWD/armcc.conf"
1711 $cc --arm_linux_configure \
1712 --arm_linux_config_file="$armcc_conf" \
1713 --configure_sysroot="$sysroot" \
1714 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1715 die "Error creating armcc configuration file."
1716 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1717 as_default="${cross_prefix}gcc"
07dec06e
MR
1718 CC_DEPFLAGS='-MMD'
1719 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1720 speed_cflags='-O3'
1721 size_cflags='-Os'
6fec122a
MR
1722elif $cc -version 2>/dev/null | grep -q TMS470; then
1723 cc_type=tms470
6e3fa35d 1724 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1725 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1726 CC_O='-fr=$(@D)'
1727 as_default="${cross_prefix}gcc"
1728 ld_default="${cross_prefix}gcc"
6fec122a
MR
1729 TMPO=$(basename $TMPC .c).o
1730 append TMPFILES $TMPO
1731 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1732 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1733 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1734 speed_cflags='-O3 -mf=5'
1735 size_cflags='-O3 -mf=2'
6fec122a
MR
1736 filter_cflags=tms470_flags
1737 tms470_flags(){
1738 for flag; do
1739 case $flag in
1740 -march=*|-mcpu=*)
1741 case "${flag#*=}" in
1742 armv7-a|cortex-a*) echo -mv=7a8 ;;
1743 armv7-r|cortex-r*) echo -mv=7r4 ;;
1744 armv7-m|cortex-m*) echo -mv=7m3 ;;
1745 armv6*|arm11*) echo -mv=6 ;;
1746 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1747 echo -mv=5e ;;
1748 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1749 esac
1750 ;;
1751 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1752 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1753 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1754 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1755 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1756 -g) echo -g -mn ;;
587d24ff 1757 -pds=*) echo $flag ;;
6fec122a
MR
1758 esac
1759 done
1760 }
06da6943
DC
1761elif $cc -v 2>&1 | grep -q clang; then
1762 cc_type=clang
1763 cc_version=__VERSION__
1764 CC_DEPFLAGS='-MMD'
1765 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1766 speed_cflags='-O3'
1767 size_cflags='-Os'
2a472e9c
MK
1768elif $cc -V 2>&1 | grep -q Sun; then
1769 cc_type=suncc
1770 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1771 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1772 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1773 speed_cflags='-O5'
1774 size_cflags='-O5 -xspace'
03279bbe
MK
1775 filter_cflags=suncc_flags
1776 suncc_flags(){
1777 for flag; do
1778 case $flag in
1779 -march=*|-mcpu=*)
1780 case "${flag#*=}" in
1781 native) echo -xtarget=native ;;
87ddc38b 1782 v9|niagara) echo -xarch=sparc ;;
03279bbe 1783 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 1784 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
1785 i586|pentium) echo -xchip=pentium ;;
1786 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1787 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1788 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1789 pentium4*) echo -xtarget=pentium4 ;;
1790 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1791 *-sse3) echo -xarch=sse3 ;;
1792 core2) echo -xarch=ssse3 -xchip=core2 ;;
1793 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1794 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1795 k8|opteron|athlon64|athlon-fx)
1796 echo -xarch=sse2a ;;
1797 athlon*) echo -xarch=pentium_proa ;;
1798 esac
1799 ;;
1800 -std=c99) echo -xc99 ;;
1801 -fomit-frame-pointer) echo -xregs=frameptr ;;
1802 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1803 -W*,*) echo $flag ;;
1804 -f*-*|-W*) ;;
1805 *) echo $flag ;;
1806 esac
1807 done
1808 }
629687f6
MR
1809fi
1810
851ffa80
MR
1811test -n "$cc_type" && enable $cc_type ||
1812 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 1813
75bafbac 1814: ${as_default:=$cc}
50567afa 1815: ${dep_cc_default:=$cc}
684b28e0 1816: ${ld_default:=$cc}
121d78d0 1817set_default ar as dep_cc ld
75800dce 1818
07dec06e
MR
1819test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1820test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1821
7f32f40c 1822add_cflags $extra_cflags
2f2e6c7c 1823add_asflags $extra_cflags
7f32f40c 1824
154d432c
MR
1825if test -n "$sysroot"; then
1826 case "$cc_type" in
1827 gcc)
467256f2 1828 add_cppflags --sysroot="$sysroot"
154d432c
MR
1829 add_ldflags --sysroot="$sysroot"
1830 ;;
6fec122a
MR
1831 tms470)
1832 add_cppflags -I"$sysinclude"
1833 add_ldflags --sysroot="$sysroot"
1834 ;;
06da6943 1835 clang)
4def700e
DC
1836 add_cppflags -isysroot "$sysroot"
1837 add_ldflags -isysroot "$sysroot"
06da6943 1838 ;;
154d432c
MR
1839 esac
1840fi
1841
d22c13a8
MR
1842if test "$cpu" = host; then
1843 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1844
1845 case "$cc_type" in
1846 gcc)
1847 check_native(){
1848 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1849 sed -n "/$1=/{
1850 s/.*$1=\\([^ ]*\\).*/\\1/
1851 p
1852 q
1853 }" $TMPE
d22c13a8
MR
1854 }
1855 cpu=$(check_native -march || check_native -mcpu)
1856 ;;
1857 esac
1858
1859 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1860fi
1861
e939cedd
MR
1862# Deal with common $arch aliases
1863case "$arch" in
1864 arm*)
1865 arch="arm"
1866 ;;
1867 mips|mipsel|IP*)
1868 arch="mips"
1869 ;;
47b1860e 1870 mips64*)
e939cedd
MR
1871 arch="mips"
1872 subarch="mips64"
1873 ;;
1874 parisc|hppa)
1875 arch="parisc"
1876 ;;
1877 parisc64|hppa64)
1878 arch="parisc"
1879 subarch="parisc64"
1880 ;;
1881 "Power Macintosh"|ppc|powerpc)
1882 arch="ppc"
1883 ;;
47b1860e 1884 ppc64|powerpc64)
e939cedd
MR
1885 arch="ppc"
1886 subarch="ppc64"
1887 ;;
1888 s390|s390x)
1889 arch="s390"
1890 ;;
1891 sh4|sh)
1892 arch="sh4"
1893 ;;
1894 sun4u|sparc64)
1895 arch="sparc"
1896 subarch="sparc64"
1897 ;;
1898 i[3-6]86|i86pc|BePC|x86_64|amd64)
1899 arch="x86"
1900 ;;
1901esac
1902
851ffa80 1903is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 1904enable $arch
e939cedd 1905
df5cdc24 1906# Add processor-specific flags
5d54c126
MR
1907if test "$cpu" = generic; then
1908 : do nothing
1909elif enabled ppc; then
343aef9b 1910
56348891
MR
1911 case $(tolower $cpu) in
1912 601|ppc601|powerpc601)
9dbd5c3d 1913 cpuflags="-mcpu=601"
64ad53ff 1914 disable altivec
9dbd5c3d 1915 ;;
56348891 1916 603*|ppc603*|powerpc603*)
9dbd5c3d 1917 cpuflags="-mcpu=603"
64ad53ff 1918 disable altivec
9dbd5c3d 1919 ;;
56348891 1920 604*|ppc604*|powerpc604*)
9dbd5c3d 1921 cpuflags="-mcpu=604"
64ad53ff 1922 disable altivec
9dbd5c3d 1923 ;;
56348891 1924 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1925 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1926 disable altivec
9dbd5c3d 1927 ;;
56348891 1928 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1929 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1930 ;;
56348891 1931 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1932 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1933 ;;
56348891 1934 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1935 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1936 ;;
56348891 1937 cell)
9dbd5c3d
MR
1938 cpuflags="-mcpu=cell"
1939 enable ldbrx
1940 ;;
7b0b81a1
AL
1941 e500v2)
1942 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1943 disable altivec
1944 ;;
1945 e500)
1946 cpuflags="-mcpu=8540 -mhard-float"
1947 disable altivec
1948 ;;
9dbd5c3d 1949 esac
343aef9b
MR
1950
1951elif enabled x86; then
1952
9dbd5c3d
MR
1953 case $cpu in
1954 i[345]86|pentium)
1955 cpuflags="-march=$cpu"
1956 disable mmx
1957 ;;
1958 # targets that do NOT support conditional mov (cmov)
1959 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1960 cpuflags="-march=$cpu"
1961 disable cmov
1962 ;;
1963 # targets that do support conditional mov (cmov)
a65e687b 1964 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
9dbd5c3d
MR
1965 cpuflags="-march=$cpu"
1966 enable cmov
1967 enable fast_cmov
1968 ;;
1969 # targets that do support conditional mov but on which it's slow
1970 pentium4|pentium4m|prescott|nocona)
1971 cpuflags="-march=$cpu"
1972 enable cmov
1973 disable fast_cmov
1974 ;;
1975 esac
343aef9b
MR
1976
1977elif enabled sparc; then
1978
9dbd5c3d 1979 case $cpu in
26b7199e
MK
1980 niagara)
1981 cpuflags="-mcpu=$cpu"
1982 disable vis
1983 ;;
9dbd5c3d
MR
1984 sparc64)
1985 cpuflags="-mcpu=v9"
1986 ;;
1987 esac
343aef9b
MR
1988
1989elif enabled arm; then
1990
34ba23c9
MR
1991 case $cpu in
1992 armv*)
1993 cpuflags="-march=$cpu"
1994 ;;
1995 *)
1996 cpuflags="-mcpu=$cpu"
1997 ;;
1998 esac
343aef9b
MR
1999
2000elif enabled alpha; then
2001
34ba23c9 2002 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2003
2004elif enabled bfin; then
2005
34ba23c9 2006 cpuflags="-mcpu=$cpu"
343aef9b
MR
2007
2008elif enabled mips; then
2009
34ba23c9 2010 cpuflags="-march=$cpu"
343aef9b
MR
2011
2012elif enabled avr32; then
2013
9dbd5c3d
MR
2014 case $cpu in
2015 ap7[02]0[0-2])
2016 subarch="avr32_ap"
2017 cpuflags="-mpart=$cpu"
2018 ;;
2019 ap)
2020 subarch="avr32_ap"
2021 cpuflags="-march=$cpu"
2022 ;;
2023 uc3[ab]*)
2024 subarch="avr32_uc"
2025 cpuflags="-mcpu=$cpu"
2026 ;;
2027 uc)
2028 subarch="avr32_uc"
2029 cpuflags="-march=$cpu"
2030 ;;
2031 esac
df5cdc24 2032
343aef9b
MR
2033fi
2034
df5cdc24
MR
2035add_cflags $cpuflags
2036add_asflags $cpuflags
2037
993f2d0f
MR
2038# compiler sanity check
2039check_exec <<EOF
2040int main(void){ return 0; }
2041EOF
2042if test "$?" != 0; then
2043 echo "$cc is unable to create an executable file."
2044 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2045 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2046 echo "Only do this if you know what cross compiling means."
2047 fi
2048 die "C compiler test failed."
2049fi
2050
38a9c529 2051add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2052check_cflags -std=c99
50a334e4 2053check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2054#include <stdlib.h>
2055EOF
50a334e4 2056check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2057#include <stdlib.h>
2058EOF
e9b9a2f8 2059
f0125de9
MR
2060check_host_cflags -std=c99
2061
b24dbcbd 2062case "$arch" in
e939cedd 2063 alpha|ia64|mips|parisc|sparc)
8a3c8627 2064 spic=$shared
b24dbcbd 2065 ;;
e939cedd 2066 x86)
cfdb6148 2067 subarch="x86_32"
e939cedd 2068 check_cc <<EOF && subarch="x86_64"
58b3536d 2069 int test[(int)sizeof(char*) - 7];
cfdb6148 2070EOF
de27f4d9 2071 if test "$subarch" = "x86_64"; then
e939cedd 2072 spic=$shared
de27f4d9 2073 fi
b24dbcbd 2074 ;;
b24dbcbd
RP
2075esac
2076
343aef9b 2077enable $subarch
8a3c8627 2078enabled spic && enable pic
b24dbcbd 2079
7483e694 2080# OS specific
4f854758 2081case $target_os in
a1629e28 2082 haiku)
63ae7e7c 2083 prefix_default="/boot/common"
108caaaa 2084 network_extralibs="-lnetwork"
a1629e28 2085 ;;
7483e694
DB
2086 sunos)
2087 FFSERVERLDFLAGS=""
9987769a 2088 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2089 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2090 network_extralibs="-lsocket -lnsl"
50a334e4 2091 add_cppflags -D__EXTENSIONS__
8182dc34 2092 nm_opts='-P -g'
7483e694
DB
2093 ;;
2094 netbsd)
07a8eef6
MR
2095 oss_indev_extralibs="-lossaudio"
2096 oss_outdev_extralibs="-lossaudio"
2138dc99 2097 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2098 ;;
2099 openbsd)
89e053f8 2100 enable malloc_aligned
7c4a001a
MR
2101 # On OpenBSD 4.5. the compiler does not use PIC unless
2102 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2103 # however the generated executable will not do anything
2104 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2105 # Thus explicitly enable PIC here.
cd78208b 2106 enable pic
7483e694 2107 SHFLAGS='-shared'
07a8eef6
MR
2108 oss_indev_extralibs="-lossaudio"
2109 oss_outdev_extralibs="-lossaudio"
7483e694 2110 ;;
90b4f091 2111 freebsd|dragonfly)
89e053f8 2112 enable malloc_aligned
7483e694
DB
2113 ;;
2114 bsd/os)
2115 osextralibs="-lpoll -lgnugetopt"
2116 strip="strip -d"
2117 ;;
2118 darwin)
89e053f8 2119 enable malloc_aligned
a49d3025 2120 as="gas-preprocessor.pl $cc"
e08b8239 2121 enabled ppc && add_asflags -force_cpusubtype_ALL
0138c54e 2122 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
be90cd27 2123 strip="${strip} -x"
7483e694
DB
2124 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2125 SLIBSUF=".dylib"
2126 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2127 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2128 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2129 objformat="macho"
1b0f6fb8 2130 enabled x86_64 && objformat="macho64"
8dfa86f7 2131 enabled_any pic shared ||
2704bd1a 2132 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2133 ;;
2134 mingw32*)
9d3f4f50 2135 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2136 disable network
2137 else
2138 target_os=mingw32
2139 fi
dcc01c06 2140 LIBTARGET=i386
1fc9fb8a 2141 if enabled x86_64; then
89e053f8 2142 enable malloc_aligned
dcc01c06 2143 LIBTARGET=x64
336cc1b0
MS
2144 elif enabled arm; then
2145 LIBTARGET=arm
dcc01c06 2146 fi
fbd971a4 2147 shlibdir_default="$bindir_default"
7483e694
DB
2148 disable ffserver
2149 SLIBPREF=""
2150 SLIBSUF=".dll"
7483e694
DB
2151 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2152 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2153 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2154 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2155 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2156 install -d "$(LIBDIR)"; \
2157 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2158 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2159 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2160 objformat="win32"
bc574408 2161 enable dos_paths
1894e741 2162 check_cflags -fno-common
b1549d61 2163 if ! enabled x86_64; then
f7ad5aa2
RP
2164 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2165 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2166 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2167 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2168 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2169 fi
7483e694
DB
2170 ;;
2171 cygwin*)
4f854758 2172 target_os=cygwin
fbd971a4 2173 shlibdir_default="$bindir_default"
7483e694
DB
2174 SLIBPREF="cyg"
2175 SLIBSUF=".dll"
2176 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2177 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2178 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2179 objformat="win32"
bc574408 2180 enable dos_paths
1894e741 2181 check_cflags -fno-common
7483e694 2182 ;;
4f365f37 2183 *-dos|freedos|opendos)
fdf11906 2184 disable ffplay ffserver
4f365f37
MK
2185 disable $INDEV_LIST $OUTDEV_LIST
2186 network_extralibs="-lsocket"
ff1c015d 2187 objformat="coff"
bc574408 2188 enable dos_paths
4f365f37 2189 ;;
7483e694 2190 linux)
7483e694
DB
2191 enable dv1394
2192 ;;
2193 irix*)
4f854758 2194 target_os=irix
7483e694
DB
2195 ranlib="echo ignoring ranlib"
2196 ;;
d22e8442 2197 os/2*)
d22e8442
DY
2198 strip="lxlite"
2199 ln_s="cp -f"
d22e8442 2200 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2201 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2202 FFSERVERLDFLAGS=""
287d3b13 2203 LIBSUF="_s.a"
d22e8442
DY
2204 SLIBPREF=""
2205 SLIBSUF=".dll"
2206 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2207 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2208 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2209 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2210 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2211 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2212 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2213 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2214 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2215 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2216 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2217 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2218 enable dos_paths
d22e8442 2219 ;;
83993c1c
AM
2220 gnu/kfreebsd)
2221 ;;
34e82167 2222 gnu)
34e82167 2223 ;;
614d8911
MR
2224 none)
2225 ;;
7483e694 2226 *)
4f924f9a 2227 die "Unknown OS '$target_os'."
7483e694
DB
2228 ;;
2229esac
2230
13cb2187
AS
2231check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2232
c9d19248
MR
2233set_default $PATHS_LIST
2234
c597172e 2235add_extralibs $osextralibs
de6d9b64 2236
28d8e661
DB
2237# Combine FFLDFLAGS and the LDFLAGS environment variable.
2238LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2239
320d060a 2240# we need to build at least one lib type
93b3c083 2241if ! enabled_any static shared; then
320d060a
DB
2242 cat <<EOF
2243At least one library type must be built.
2244Specify --enable-static to build the static libraries or --enable-shared to
2245build the shared libraries as well. To only build the shared libraries specify
2246--disable-static in addition to --enable-shared.
2247EOF
2248 exit 1;
2249fi
2250
abc4e572 2251disabled static && LIBNAME=""
2a320695 2252
2184c6f7 2253die_license_disabled() {
4c27207c 2254 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2255}
2256
2184c6f7
DB
2257die_license_disabled gpl libx264
2258die_license_disabled gpl libxvid
2259die_license_disabled gpl postproc
2260die_license_disabled gpl x11grab
2261
2f7ae63b 2262die_license_disabled nonfree libfaac
b2e3c528 2263
0b175caa
DB
2264die_license_disabled version3 libopencore_amrnb
2265die_license_disabled version3 libopencore_amrwb
2266
9cad0e4e 2267enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2268
9eeed841 2269check_deps $ARCH_EXT_LIST
0f3cb305 2270
40617a6d 2271disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2272
e276d9e8
MR
2273enable_pic() {
2274 enable pic
bce7b696
MR
2275 add_cppflags -DPIC
2276 add_cflags -fPIC
2277 add_asflags -fPIC
e276d9e8
MR
2278}
2279
2280enabled pic && enable_pic
bce7b696 2281
b4d96ba2
MR
2282check_cc <<EOF || die "Symbol mangling check failed."
2283int ff_extern;
2284EOF
8182dc34 2285sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2286extern_prefix=${sym%%ff_extern*}
2287
f65883c8
MR
2288check_cc <<EOF && enable inline_asm
2289void foo(void) { __asm__ volatile ("" ::); }
2290EOF
61d251db 2291
df5e3978
MR
2292_restrict=
2293for restrict_keyword in restrict __restrict__ __restrict; do
2294 check_cc <<EOF && _restrict=$restrict_keyword && break
2295void foo(char * $restrict_keyword p);
2296EOF
2297done
2298
2299check_cc <<EOF && enable attribute_packed
2300struct { int x; } __attribute__((packed)) x;
2301EOF
2302
dffb41b9
MR
2303check_cc <<EOF && enable attribute_may_alias
2304union { int x; } __attribute__((may_alias)) x;
2305EOF
2306
df5e3978
MR
2307check_cc <<EOF || die "endian test failed"
2308unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2309EOF
48fc536a 2310od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2311
a49d3025
MR
2312check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2313 warn "GNU assembler not found, install gas-preprocessor"
2314
e939cedd
MR
2315if enabled alpha; then
2316
2317 check_cflags -mieee
2318
2319elif enabled arm; then
e45391bb 2320
50fa82e6
MR
2321 check_cflags -marm
2322
fa0912fe
MR
2323 check_ld <<EOF && enable vfp_args
2324__asm__ (".eabi_attribute 28, 1");
2325int main(void) { return 0; }
2326EOF
2327
2328 # We have to check if pld is a nop and disable it.
2329 check_asm pld '"pld [r0]"'
2330
2331 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2332 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2333 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2334 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2335 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2336 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2337
e276d9e8
MR
2338 enabled_all armv6t2 shared !pic && enable_pic
2339
fa0912fe 2340elif enabled mips; then
e45391bb 2341
fa0912fe
MR
2342 check_asm loongson '"dmult.g $1, $2, $3"'
2343 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2344
fa0912fe 2345elif enabled ppc; then
e45391bb 2346
e6a0c354
MR
2347 enable local_aligned_8 local_aligned_16
2348
135448fa 2349 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2f0c136e 2350 check_asm ibm_asm '"add 0, 0, 0"'
fa0912fe 2351 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2352 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2353
2354 # AltiVec flags: The FSF version of GCC differs from the Apple version
2355 if enabled altivec; then
2356 check_cflags -maltivec -mabi=altivec &&
2357 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2358 check_cflags -faltivec
2359
2360 # check if our compiler supports Motorola AltiVec C API
2361 check_cc <<EOF || disable altivec
2362$inc_altivec_h
2363int main(void) {
2364 vector signed int v1, v2, v3;
2365 v1 = vec_add(v2,v3);
2366 return 0;
2367}
2368EOF
2369
2370 # check if our compiler supports braces for vector declarations
2371 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2372$inc_altivec_h
2373int main (void) { (vector int) {1}; return 0; }
2374EOF
2375 fi
e45391bb 2376
fa0912fe 2377elif enabled sparc; then
e45391bb 2378
fa0912fe
MR
2379 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2380 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2381
fa0912fe 2382elif enabled x86; then
e45391bb 2383
e6a0c354
MR
2384 enable local_aligned_8 local_aligned_16
2385
44965991
PI
2386 # check whether EBP is available on x86
2387 # As 'i' is stored on the stack, this program will crash
2388 # if the base pointer is used to access it because the
2389 # base pointer is cleared in the inline assembly code.
7dfef245 2390 check_exec_crash <<EOF && enable ebp_available
44965991 2391 volatile int i=0;
be449fca 2392 __asm__ volatile (
44965991
PI
2393 "xorl %%ebp, %%ebp"
2394 ::: "%ebp");
2395 return i;
44965991
PI
2396EOF
2397
f494213c 2398 # check whether EBX is available on x86
7cee5421
MR
2399 check_asm ebx_available '""::"b"(0)' &&
2400 check_asm ebx_available '"":::"%ebx"'
8e380710 2401
d3a4b4e0
DB
2402 # check whether more than 10 operands are supported
2403 check_cc <<EOF && enable ten_operands
2404int main(void) {
2405 int x=0;
2406 __asm__ volatile(
2407 ""
2408 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2409 );
2410 return 0;
2411}
2412EOF
2413
d7f0920b 2414 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2415 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2416 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2417
2418 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2419
d52481b9 2420 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2421 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2422 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2423 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2424 case "$objformat" in
2425 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2426 esac
31a0dcb2
MR
2427 if ! disabled yasm; then
2428 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2429 warn "yasm not found, performance will suffer"
2430 fi
e45391bb 2431
669b5583
MR
2432 case "$cpu" in
2433 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2434 disable fast_clz
2435 ;;
2436 esac
2437
44965991
PI
2438fi
2439
a98bb16d
RP
2440if check_func dlopen; then
2441 ldl=
2442elif check_func dlopen -ldl; then
2443 ldl=-ldl
8bf5d58f
MN
2444fi
2445
75ecf149
DB
2446# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2447check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2448
534a2231 2449check_func fcntl
7483e694 2450check_func fork
84882df6 2451check_func getaddrinfo $network_extralibs
7483e694
DB
2452check_func gethrtime
2453check_func getrusage
fc5607f8 2454check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2455check_func inet_aton $network_extralibs
abfc8d05 2456check_func isatty
4ae40685 2457check_func ${malloc_prefix}memalign && enable memalign
7483e694 2458check_func mkstemp
4ae40685 2459check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2460check_func setrlimit
87958234 2461check_func strerror_r
b507ebd1 2462check_func_headers io.h setmode
e4673692 2463check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2464check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2465check_func_headers windows.h GetProcessTimes
7c5bfe7a 2466check_func_headers windows.h VirtualAlloc
6ffa87d3 2467
e16e49ac 2468check_header conio.h
a98bb16d 2469check_header dlfcn.h
92c6a099 2470check_header dxva2api.h
a98bb16d 2471check_header malloc.h
bf6ce82d 2472check_header poll.h
b58412f1 2473check_header sys/mman.h
b091aa44 2474check_header sys/resource.h
bf6ce82d 2475check_header sys/select.h
a98bb16d 2476check_header termios.h
272081b0
CEH
2477check_header vdpau/vdpau.h
2478check_header vdpau/vdpau_x11.h
68178ca9 2479check_header X11/extensions/XvMClib.h
a98bb16d 2480
9104cd51
RP
2481check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2482
89e053f8
MR
2483if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2484 enabled_any $need_memalign ; then
1f91cdce 2485 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2486fi
e16e49ac 2487
a4fa192c 2488disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2489disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2490
2491# check for some common methods of building with pthread support
2492# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
2493if ! disabled pthreads && ! enabled w32threads; then
2494 enable pthreads
9e7fd101
MR
2495 if check_func pthread_create; then
2496 :
2497 elif check_func pthread_create -pthread; then
2498 add_cflags -pthread
afc9aee2 2499 add_extralibs -pthread
9e7fd101
MR
2500 elif check_func pthread_create -pthreads; then
2501 add_cflags -pthreads
afc9aee2 2502 add_extralibs -pthreads
8d94f606
GT
2503 elif check_func pthread_create -lpthreadGC2; then
2504 add_extralibs -lpthreadGC2
9e7fd101 2505 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 2506 disable pthreads
9e7fd101 2507 fi
57bd82d4
MR
2508fi
2509
8eee7025 2510for thread in $THREADS_LIST; do
e5f94c2b 2511 if enabled $thread; then
3ae3b721
RP
2512 test -n "$thread_type" &&
2513 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2514 thread_type="$thread"
e5f94c2b
RP
2515 fi
2516done
2517
fdf88598 2518check_lib math.h sin -lm
edd43c95 2519disabled vaapi || check_lib va/va.h vaInitialize -lva
fdf88598 2520
645d2652
MR
2521check_mathfunc exp2
2522check_mathfunc exp2f
2523check_mathfunc llrint
07876e25 2524check_mathfunc llrintf
645d2652
MR
2525check_mathfunc log2
2526check_mathfunc log2f
2527check_mathfunc lrint
2528check_mathfunc lrintf
2529check_mathfunc round
2530check_mathfunc roundf
2531check_mathfunc truncf
f32adb22 2532
57bd82d4 2533# these are off by default, so fail if requested and not available
a1b3c5a3 2534enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2535enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2536 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2537 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097 2538enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5af41508 2539enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
eb7626a3 2540enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
7483e694 2541enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
eb7626a3
MR
2542enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2543enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3d6fac8c 2544enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3a9bc39e 2545enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
36718e51
DB
2546enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2547 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2548enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2549enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2550enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
ee0e9146
JZ
2551enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2552 require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
eb7626a3 2553enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
652d9d24
JGG
2554 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2555 die "ERROR: libx264 version must be >= 0.98."; }
2bfecf73 2556enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2557enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2558
0b4a1821
AS
2559# libdc1394 check
2560if enabled libdc1394; then
2561 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2562 enable libdc1394_2; } ||
2563 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2564 enable libdc1394_1; } ||
2565 die "ERROR: No version of libdc1394 found "
2566fi
2567
6a1a892f 2568SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2569if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2570 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2571 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2572 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2573 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2574 enable sdl &&
2575 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2576fi
57bd82d4 2577
2270b4b2 2578texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2579
73b46a95 2580if enabled network; then
96000432 2581 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2582 check_type netdb.h "struct addrinfo"
b4d68544
MS
2583 check_type netinet/in.h "struct ipv6_mreq"
2584 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2585 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2586 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2587 # Prefer arpa/inet.h over winsock2
2588 if check_header arpa/inet.h ; then
2589 check_func closesocket
2590 elif check_header winsock2.h ; then
f4c13872
MS
2591 check_func_headers winsock2.h closesocket -lws2 && \
2592 network_extralibs="-lws2" || \
2593 { check_func_headers winsock2.h closesocket -lws2_32 && \
2594 network_extralibs="-lws2_32"; }
72be9e73 2595 check_type ws2tcpip.h socklen_t
c0018613 2596 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2597 check_type ws2tcpip.h "struct ipv6_mreq"
2598 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2599 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2600 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2601 else
2602 disable network
73b46a95
RP
2603 fi
2604fi
2605
06e31011
RP
2606check_header linux/videodev.h
2607check_header linux/videodev2.h
1b6e8b73 2608check_header sys/videoio.h
47f38850 2609
27796dc3 2610check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2611
f8aa696f 2612# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2613{ check_header dev/bktr/ioctl_meteor.h &&
2614 check_header dev/bktr/ioctl_bt848.h; } ||
2615{ check_header machine/ioctl_meteor.h &&
2616 check_header machine/ioctl_bt848.h; } ||
2617{ check_header dev/video/meteor/ioctl_meteor.h &&
2618 check_header dev/video/bktr/ioctl_bt848.h; } ||
2619check_header dev/ic/bt8xx.h
f8aa696f 2620
c7682de0
RP
2621check_header sys/soundcard.h
2622check_header soundcard.h
deb29777 2623
b6f3d925 2624enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2625
0e57fe17 2626enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2627
56a059ac 2628enabled x11grab &&
f58f4ce1
GP
2629check_header X11/Xlib.h &&
2630check_header X11/extensions/XShm.h &&
0a045661 2631check_header X11/extensions/Xfixes.h &&
f58f4ce1 2632check_func XOpenDisplay -lX11 &&
781c1aa6
R
2633check_func XShmCreateImage -lX11 -lXext &&
2634check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2635
598ef02b 2636if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2637check_cpp_condition \
2638 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2639 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2640 disable vdpau; }
abf649c7 2641fi
deda2a4a 2642
95e561ec 2643enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2644
2645# add some useful compiler flags if supported
2646check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2647check_cflags -Wall
2648check_cflags -Wno-switch
c07bd6a9
MN
2649check_cflags -Wdisabled-optimization
2650check_cflags -Wpointer-arith
2651check_cflags -Wredundant-decls
cc1fb623 2652check_cflags -Wno-pointer-sign
f4929996 2653check_cflags -Wcast-qual
9aceb3cf 2654check_cflags -Wwrite-strings
652a5bf6 2655check_cflags -Wtype-limits
764551c6 2656check_cflags -Wundef
fc298fd9 2657check_cflags -Wmissing-prototypes
5af4e0cc 2658enabled extra_warnings && check_cflags -Winline
cf9d24ad 2659
57bd82d4 2660# add some linker flags
5c0e9479 2661check_ldflags -Wl,--warn-common
8351d2ba
DB
2662check_ldflags -Wl,--as-needed
2663check_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 2664check_ldflags -Wl,-Bsymbolic
94a3401e 2665
a482e61b 2666echo "X{};" > $TMPV
b462d132 2667if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 2668 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
2669 check_cc <<EOF && enable symver_asm_label
2670void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 2671void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
2672EOF
2673 check_cc <<EOF && enable symver_gnu_asm
2674__asm__(".symver ff_foo,av_foo@VERSION");
2675void ff_foo(void) {}
2676EOF
2677fi
a482e61b 2678
bd2216e4 2679if enabled small; then
14ca9cd0 2680 add_cflags $size_cflags
8400d6b8
DB
2681 optimizations="small"
2682elif enabled optimizations; then
14ca9cd0 2683 add_cflags $speed_cflags
b05394a0
MR
2684else
2685 add_cflags $noopt_cflags
cddf3f45 2686fi
11fdbc44 2687check_cflags -fno-math-errno
b2eb2ff0 2688check_cflags -fno-signed-zeros
cddf3f45 2689
629687f6 2690if enabled icc; then
b1598b58
MR
2691 # Just warnings, no remarks
2692 check_cflags -w1
2693 # -wd: Disable following warnings
2694 # 144, 167, 556: -Wno-pointer-sign
2695 # 10006: ignoring unknown option -fno-signed-zeros
2696 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2697 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2698 # 11030: Warning unknown option --as-needed
2699 # 10156: ignoring option '-export'; no argument required
2700 check_ldflags -wd10156,11030
2701 # Allow to compile with optimizations
2702 check_ldflags -march=$cpu
be2cf98a
CEH
2703 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2704 enable ebp_available
df442a8d
MR
2705elif enabled ccc; then
2706 # disable some annoying warnings
2707 add_cflags -msg_disable cvtu32to64
2708 add_cflags -msg_disable embedcomment
2709 add_cflags -msg_disable needconstext
2710 add_cflags -msg_disable nomainieee
2711 add_cflags -msg_disable ptrmismatch1
2712 add_cflags -msg_disable unreachcode
973859f5
MR
2713elif enabled gcc; then
2714 check_cflags -fno-tree-vectorize
765e6134 2715 check_cflags -Werror=implicit-function-declaration
de63bfec 2716 check_cflags -Werror=missing-prototypes
06da6943
DC
2717elif enabled clang; then
2718 check_cflags -Qunused-arguments
138132be
MR
2719elif enabled armcc; then
2720 # 2523: use of inline assembler is deprecated
2721 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2722 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2723elif enabled tms470; then
2724 add_cflags -pds=824 -pds=837
504a64b9
CEH
2725fi
2726
7483e694
DB
2727enabled_any $THREADS_LIST && enable threads
2728
2729check_deps $CONFIG_LIST \
b6bb00b0 2730 $CONFIG_EXTRA \
7483e694
DB
2731 $HAVE_LIST \
2732 $DECODER_LIST \
2733 $ENCODER_LIST \
5666fd73 2734 $HWACCEL_LIST \
7483e694
DB
2735 $PARSER_LIST \
2736 $BSF_LIST \
2737 $DEMUXER_LIST \
2738 $MUXER_LIST \
f7679c54 2739 $FILTER_LIST \
7483e694
DB
2740 $INDEV_LIST \
2741 $OUTDEV_LIST \
2742 $PROTOCOL_LIST \
f70f03f6 2743
3bfd582c 2744enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 2745
3e89171a 2746echo "install prefix $prefix"
f36958f8
DB
2747echo "source path $source_path"
2748echo "C compiler $cc"
f36958f8 2749echo "ARCH $arch ($cpu)"
ce8871c2
MR
2750if test "$build_suffix" != ""; then
2751 echo "build suffix $build_suffix"
eb94aca9 2752fi
ac63af34
DB
2753if test "$extra_version" != ""; then
2754 echo "version string suffix $extra_version"
2755fi
0db2ce77 2756echo "big-endian ${bigendian-no}"
e90f5b5a 2757echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2758if enabled x86; then
af44e8e4 2759 echo "yasm ${yasm-no}"
0db2ce77 2760 echo "MMX enabled ${mmx-no}"
30e98e62 2761 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2762 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2763 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2764 echo "SSE enabled ${sse-no}"
30e98e62 2765 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2766 echo "CMOV enabled ${cmov-no}"
2767 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2768 echo "EBX available ${ebx_available-no}"
2769 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2770 echo "10 operands supported ${ten_operands-no}"
e41e8342 2771fi
5b6c2cbd 2772if enabled arm; then
0db2ce77
MR
2773 echo "ARMv5TE enabled ${armv5te-no}"
2774 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2775 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2776 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2777 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2778 echo "NEON enabled ${neon-no}"
eba9ae3c 2779fi
5b6c2cbd 2780if enabled mips; then
0db2ce77 2781 echo "MMI enabled ${mmi-no}"
e41e8342 2782fi
5b6c2cbd 2783if enabled ppc; then
0db2ce77 2784 echo "AltiVec enabled ${altivec-no}"
30e98e62 2785 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2786 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2787fi
2788if enabled sparc; then
2789 echo "VIS enabled ${vis-no}"
e41e8342 2790fi
0db2ce77 2791echo "debug symbols ${debug-no}"
87a0fb62 2792echo "strip symbols ${stripping-no}"
8400d6b8 2793echo "optimizations ${optimizations-no}"
0db2ce77
MR
2794echo "static ${static-no}"
2795echo "shared ${shared-no}"
4a24ab64 2796echo "postprocessing support ${postproc-no}"
f7679c54 2797echo "new filter support ${avfilter-no}"
81124ba0 2798echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2799echo "network support ${network-no}"
0db2ce77
MR
2800echo "threading support ${thread_type-no}"
2801echo "SDL support ${sdl-no}"
0db2ce77
MR
2802echo "Sun medialib support ${mlib-no}"
2803echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2804echo "libdc1394 support ${libdc1394-no}"
690bfceb 2805echo "libdirac enabled ${libdirac-no}"
0db2ce77 2806echo "libfaac enabled ${libfaac-no}"
0db2ce77
MR
2807echo "libgsm enabled ${libgsm-no}"
2808echo "libmp3lame enabled ${libmp3lame-no}"
2809echo "libnut enabled ${libnut-no}"
0b175caa
DB
2810echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2811echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2812echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2813echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2814echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2815echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2816echo "libtheora enabled ${libtheora-no}"
2817echo "libvorbis enabled ${libvorbis-no}"
8299a7f8 2818echo "libvpx enabled ${libvpx-no}"
d6bd62db
DB
2819echo "libx264 enabled ${libx264-no}"
2820echo "libxvid enabled ${libxvid-no}"
0db2ce77 2821echo "zlib enabled ${zlib-no}"
f402916e 2822echo "bzlib enabled ${bzlib-no}"
2c62e737 2823echo
de6d9b64 2824
5666fd73 2825for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2826 echo "Enabled ${type}s:"
f65c9da1 2827 eval list=\$$(toupper $type)_LIST
8138b9db 2828 for part in $list; do
f65c9da1
MR
2829 enabled $part && echo ${part%_*}
2830 done | sort | pr -3 -t
2831 echo
8138b9db
RP
2832done
2833
ba7a7039 2834license="LGPL version 2.1 or later"
ba321adb 2835if enabled nonfree; then
ba7a7039 2836 license="nonfree and unredistributable"
9cad0e4e
DB
2837elif enabled gplv3; then
2838 license="GPL version 3 or later"
2839elif enabled lgplv3; then
2840 license="LGPL version 3 or later"
ba321adb 2841elif enabled gpl; then
ba7a7039 2842 license="GPL version 2 or later"
ba321adb
JK
2843fi
2844
2845echo "License: $license"
ca5323af 2846
cf1392e9
DB
2847echo "Creating config.mak and config.h..."
2848
df642790
MR
2849# build tree in object directory if source path is different from current one
2850if enabled source_path_used; then
2851 DIRS="
2852 doc
2853 libavcodec
2854 libavcodec/$arch
2855 libavdevice
2856 libavfilter
2857 libavformat
2858 libavutil
2859 libavutil/$arch
2860 libpostproc
2861 libswscale
2862 libswscale/$arch
2863 tests
2864 tools
2865 "
2866 FILES="
2867 Makefile
2868 common.mak
2869 subdir.mak
2870 doc/texi2pod.pl
2871 libavcodec/Makefile
43f60eba 2872 libavcodec/${arch}/Makefile
df642790
MR
2873 libavdevice/Makefile
2874 libavfilter/Makefile
2875 libavformat/Makefile
2876 libavutil/Makefile
2877 libpostproc/Makefile
2878 libswscale/Makefile
2879 "
e0e335a0 2880 map 'mkdir -p $v' $DIRS;
43f60eba 2881 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2882fi
2883
ad212cc6
MR
2884enabled stripping || strip="echo skipping strip"
2885
173c983b
MR
2886cat > config.mak <<EOF
2887# Automatically generated by configure - do not modify!
2888ifndef FFMPEG_CONFIG_MAK
2889FFMPEG_CONFIG_MAK=1
2890FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2891prefix=$prefix
2892LIBDIR=\$(DESTDIR)$libdir
2893SHLIBDIR=\$(DESTDIR)$shlibdir
2894INCDIR=\$(DESTDIR)$incdir
2895BINDIR=\$(DESTDIR)$bindir
2896DATADIR=\$(DESTDIR)$datadir
2897MANDIR=\$(DESTDIR)$mandir
2898SRC_PATH="$source_path"
2899SRC_PATH_BARE=$source_path
2900BUILD_ROOT="$PWD"
2901ARCH=$arch
2902CC=$cc
2903AS=$as
2904LD=$ld
2905DEPCC=$dep_cc
2906YASM=$yasmexe
a4aea515 2907YASMDEP=$yasmexe
173c983b
MR
2908AR=$ar
2909RANLIB=$ranlib
4335125c 2910CP=cp -p
173c983b
MR
2911LN_S=$ln_s
2912STRIP=$strip
2913CPPFLAGS=$CPPFLAGS
2914CFLAGS=$CFLAGS
2915ASFLAGS=$ASFLAGS
2916CC_O=$CC_O
2917LDFLAGS=$LDFLAGS
2918FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2919SHFLAGS=$SHFLAGS
2920YASMFLAGS=$YASMFLAGS
2921BUILDSUF=$build_suffix
2922FULLNAME=$FULLNAME
2923LIBPREF=$LIBPREF
2924LIBSUF=$LIBSUF
2925LIBNAME=$LIBNAME
2926SLIBPREF=$SLIBPREF
2927SLIBSUF=$SLIBSUF
2928EXESUF=$EXESUF
2929EXTRA_VERSION=$extra_version
2930DEPFLAGS=$DEPFLAGS
2931CCDEP=$CCDEP
2932ASDEP=$ASDEP
2933CC_DEPFLAGS=$CC_DEPFLAGS
2934AS_DEPFLAGS=$AS_DEPFLAGS
2935HOSTCC=$host_cc
2936HOSTCFLAGS=$host_cflags
2937HOSTEXESUF=$HOSTEXESUF
2938HOSTLDFLAGS=$host_ldflags
2939HOSTLIBS=$host_libs
2940TARGET_EXEC=$target_exec
2941TARGET_PATH=$target_path
2942SDL_LIBS=$sdl_libs
2943SDL_CFLAGS=$sdl_cflags
2944LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2945EXTRALIBS=$extralibs
fd676deb 2946INSTALL=install
1afc4750
MR
2947LIBTARGET=${LIBTARGET}
2948SLIBNAME=${SLIBNAME}
2949SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2950SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2951SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2952SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2953SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2954SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 2955SAMPLES=$samples
173c983b 2956EOF
5a872801 2957
719c8e00
MR
2958get_version(){
2959 name=$1
2960 file=$source_path/$2
147e7692
MR
2961 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2962 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2963 lcname=$(tolower $name)
2964 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2965 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2966}
2967
147e7692
MR
2968get_version LIBSWSCALE libswscale/swscale.h
2969get_version LIBPOSTPROC libpostproc/postprocess.h
2970get_version LIBAVCODEC libavcodec/avcodec.h
2971get_version LIBAVDEVICE libavdevice/avdevice.h
2972get_version LIBAVFORMAT libavformat/avformat.h
2973get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2974get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2975
173c983b
MR
2976cat > $TMPH <<EOF
2977/* Automatically generated by configure - do not modify! */
2978#ifndef FFMPEG_CONFIG_H
2979#define FFMPEG_CONFIG_H
2980#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 2981#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
2982#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2983#define CC_TYPE "$cc_type"
2984#define CC_VERSION $cc_version
2985#define restrict $_restrict
42719e20 2986#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
173c983b
MR
2987#define EXTERN_PREFIX "${extern_prefix}"
2988#define EXTERN_ASM ${extern_prefix}
2989EOF
523ef551 2990
4ae40685
MR
2991test -n "$malloc_prefix" &&
2992 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
2993
523ef551 2994if enabled small || disabled optimizations; then
9a894c48 2995 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
2996 echo "#define av_always_inline" >> $TMPH
2997fi
2998
3d907e22
MR
2999print_config ARCH_ $TMPH config.mak $ARCH_LIST
3000print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3001print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3002 $CONFIG_EXTRA \
7483e694
DB
3003 $DECODER_LIST \
3004 $ENCODER_LIST \
5666fd73 3005 $HWACCEL_LIST \
7483e694
DB
3006 $PARSER_LIST \
3007 $BSF_LIST \
3008 $DEMUXER_LIST \
3009 $MUXER_LIST \
f7679c54 3010 $FILTER_LIST \
7483e694
DB
3011 $PROTOCOL_LIST \
3012 $INDEV_LIST \
3013 $OUTDEV_LIST \
8ac17293 3014
9c05103f 3015echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3016echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3017
b7860763 3018# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3019cp_if_changed $TMPH config.h
3d204385 3020
a3e02a8c
MR
3021cat > $TMPH <<EOF
3022/* Generated by ffconf */
3023#ifndef AVUTIL_AVCONFIG_H
3024#define AVUTIL_AVCONFIG_H
3025EOF
3026
3027print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3028
3029echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3030
3031cp_if_changed $TMPH libavutil/avconfig.h
3032
7bfc8ae6
MR
3033test -n "$WARNINGS" && printf "\n$WARNINGS"
3034
d0674868 3035# build pkg-config files
def4272a 3036
d0674868
DB
3037pkgconfig_generate(){
3038name=$1
b0dfd108 3039shortname=${name#lib}${build_suffix}
d0674868
DB
3040comment=$2
3041version=$3
3042libs=$4
3043requires=$5
25cd5cb3 3044cat <<EOF > $name/$name.pc
3e89171a 3045prefix=$prefix
a94e666c 3046exec_prefix=\${prefix}
f2b7382c 3047libdir=$libdir
7622778e 3048includedir=$incdir
def4272a 3049
d0674868
DB
3050Name: $name
3051Description: $comment
3052Version: $version
8cd6b388 3053Requires: $(enabled shared || echo $requires)
5dcfe9f8 3054Requires.private: $(enabled shared && echo $requires)
def4272a 3055Conflicts:
8cd6b388 3056Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3057Libs.private: $(enabled shared && echo $libs)
76a448ed 3058Cflags: -I\${includedir}
def4272a 3059EOF
25cd5cb3 3060cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3061prefix=
3062exec_prefix=
46d1ff83 3063libdir=\${pcfiledir}
1d44d365 3064includedir=${source_path}
def4272a 3065
d0674868
DB
3066Name: $name
3067Description: $comment
3068Version: $version
3069Requires: $requires
def4272a 3070Conflicts:
12701f6e 3071Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3072Cflags: -I\${includedir}
3073EOF
d0674868 3074}
def4272a 3075
e426941d 3076pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3077pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3078pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3079pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3080enabled avfilter &&
46983309 3081 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3082enabled postproc &&
e426941d 3083 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3084pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"