FATE: update vc1 reference output
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
74c53c2d 57show_help(){
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58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.err]
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]
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93 --enable-avfilter-lavf video filters dependent on avformat [no]
94 --enable-beosthreads use BeOS threads [no]
95 --enable-os2threads use OS/2 threads [no]
96 --enable-pthreads use pthreads [no]
97 --enable-w32threads use Win32 threads [no]
98 --enable-x11grab enable X11 grabbing [no]
99 --disable-network disable network support [no]
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100 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
103 --disable-fastdiv disable table-based division
104 --enable-small optimize for size instead of speed
105 --disable-aandct disable AAN DCT code
7f3f5f46 106 --disable-dct disable DCT code
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107 --disable-fft disable FFT code
108 --disable-golomb disable Golomb code
109 --disable-lpc disable LPC code
110 --disable-mdct disable MDCT code
111 --disable-rdft disable RDFT code
112 --disable-vaapi disable VAAPI code
113 --disable-vdpau disable VDPAU code
92c6a099 114 --disable-dxva2 disable DXVA2 code
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115 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
116 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
117 --enable-memalign-hack emulate memalign, interferes with memory debuggers
bb55e3a3 118 --disable-everything disable all components listed below
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119 --disable-encoder=NAME disable encoder NAME
120 --enable-encoder=NAME enable encoder NAME
121 --disable-encoders disable all encoders
122 --disable-decoder=NAME disable decoder NAME
123 --enable-decoder=NAME enable decoder NAME
124 --disable-decoders disable all decoders
125 --disable-hwaccel=NAME disable hwaccel NAME
126 --enable-hwaccel=NAME enable hwaccel NAME
127 --disable-hwaccels disable all hwaccels
128 --disable-muxer=NAME disable muxer NAME
129 --enable-muxer=NAME enable muxer NAME
130 --disable-muxers disable all muxers
131 --disable-demuxer=NAME disable demuxer NAME
132 --enable-demuxer=NAME enable demuxer NAME
133 --disable-demuxers disable all demuxers
134 --enable-parser=NAME enable parser NAME
135 --disable-parser=NAME disable parser NAME
136 --disable-parsers disable all parsers
137 --enable-bsf=NAME enable bitstream filter NAME
138 --disable-bsf=NAME disable bitstream filter NAME
139 --disable-bsfs disable all bitstream filters
140 --enable-protocol=NAME enable protocol NAME
141 --disable-protocol=NAME disable protocol NAME
142 --disable-protocols disable all protocols
143 --disable-indev=NAME disable input device NAME
144 --disable-outdev=NAME disable output device NAME
145 --disable-indevs disable input devices
146 --disable-outdevs disable output devices
147 --disable-devices disable all devices
148 --enable-filter=NAME enable filter NAME
149 --disable-filter=NAME disable filter NAME
150 --disable-filters disable all filters
151 --list-decoders show all available decoders
152 --list-encoders show all available encoders
153 --list-hwaccels show all available hardware accelerators
154 --list-muxers show all available muxers
155 --list-demuxers show all available demuxers
156 --list-parsers show all available parsers
157 --list-protocols show all available protocols
158 --list-bsfs show all available bitstream filters
159 --list-indevs show all available input devices
160 --list-outdevs show all available output devices
161 --list-filters show all available filters
162
163External library support:
164 --enable-avisynth enable reading of AVISynth script files [no]
165 --enable-bzlib enable bzlib [autodetect]
166 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
169 and libraw1394 [no]
170 --enable-libdirac enable Dirac support via libdirac [no]
171 --enable-libfaac enable FAAC support via libfaac [no]
172 --enable-libfaad enable FAAD support via libfaad [no]
173 --enable-libfaadbin open libfaad.so.0 at runtime [no]
174 --enable-libgsm enable GSM support via libgsm [no]
175 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
176 --enable-libnut enable NUT (de)muxing via libnut,
177 native (de)muxer exists [no]
178 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
0f943ce6 179 --enable-librtmp enable RTMP[E] support via librtmp [no]
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180 --enable-libschroedinger enable Dirac support via libschroedinger [no]
181 --enable-libspeex enable Speex decoding via libspeex [no]
182 --enable-libtheora enable Theora encoding via libtheora [no]
183 --enable-libvorbis enable Vorbis encoding via libvorbis,
184 native implementation exists [no]
8299a7f8 185 --enable-libvpx enable VP8 support via libvpx [no]
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186 --enable-libx264 enable H.264 encoding via x264 [no]
187 --enable-libxvid enable Xvid encoding via xvidcore,
188 native MPEG-4/Xvid encoder exists [no]
189 --enable-mlib enable Sun medialib [no]
190 --enable-zlib enable zlib [autodetect]
191
192Advanced options (experts only):
193 --source-path=PATH path to source code [$source_path]
194 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
195 --enable-cross-compile assume a cross-compiler is used
196 --sysroot=PATH root of cross-build tree
197 --sysinclude=PATH location of cross-build system headers
198 --target-os=OS compiler targets OS [$target_os]
199 --target-exec=CMD command to run executables on target
200 --target-path=DIR path to view of build directory on target
201 --nm=NM use nm tool
121d78d0 202 --ar=AR use archive tool AR [$ar_default]
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203 --as=AS use assembler AS [$as_default]
204 --cc=CC use C compiler CC [$cc_default]
205 --ld=LD use linker LD
206 --host-cc=HOSTCC use host C compiler HOSTCC
207 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
208 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
209 --host-libs=HLIBS use libs HLIBS when linking for host
210 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
211 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
212 --extra-libs=ELIBS add ELIBS [$ELIBS]
213 --extra-version=STRING version string suffix []
214 --build-suffix=SUFFIX library name suffix []
215 --arch=ARCH select architecture [$arch]
216 --cpu=CPU select the minimum required CPU (affects
217 instruction selection, may crash on older CPUs)
218 --enable-powerpc-perf enable performance report on PPC
219 (requires enabling PMC)
c8a4ae00 220 --disable-asm disable all assembler optimizations
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221 --disable-altivec disable AltiVec optimizations
222 --disable-amd3dnow disable 3DNow! optimizations
223 --disable-amd3dnowext disable 3DNow! extended optimizations
224 --disable-mmx disable MMX optimizations
225 --disable-mmx2 disable MMX2 optimizations
226 --disable-sse disable SSE optimizations
227 --disable-ssse3 disable SSSE3 optimizations
228 --disable-armv5te disable armv5te optimizations
229 --disable-armv6 disable armv6 optimizations
230 --disable-armv6t2 disable armv6t2 optimizations
231 --disable-armvfp disable ARM VFP optimizations
232 --disable-iwmmxt disable iwmmxt optimizations
233 --disable-mmi disable MMI optimizations
234 --disable-neon disable neon optimizations
235 --disable-vis disable VIS optimizations
236 --disable-yasm disable use of yasm assembler
237 --enable-pic build position-independent code
4ae40685 238 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 239 --enable-sram allow use of on-chip SRAM
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240
241Developer options (useful when working on FFmpeg itself):
242 --disable-debug disable debugging symbols
243 --enable-debug=LEVEL set the debug level [$debuglevel]
244 --enable-gprof enable profiling with gprof [$gprof]
245 --disable-optimizations disable compiler optimizations
246 --enable-extra-warnings enable more compiler warnings
247 --disable-stripping disable stripping of executables and shared libraries
2fad0977 248 --samples=PATH location of test samples for FATE
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249
250NOTE: Object files are built at the place where configure is launched.
251EOF
60e8bc13 252 exit 0
74c53c2d 253}
cf9d24ad 254
57bd82d4 255log(){
2270b4b2 256 echo "$@" >> $logfile
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257}
258
720c69da 259log_file(){
c8e9f801 260 log BEGIN $1
2270b4b2 261 pr -n -t $1 >> $logfile
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262 log END $1
263}
264
2ba042a7 265echolog(){
c8e9f801 266 log "$@"
57bd82d4 267 echo "$@"
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268}
269
270die(){
271 echolog "$@"
272 cat <<EOF
d326cf7f 273
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274If you think configure made a mistake, make sure you are using the latest
275version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 276ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 277EOF
e155a21a 278 if disabled logging; then
2ba042a7 279 cat <<EOF
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280Rerun configure with logging enabled (do not use --disable-logging), and
281include the log this produces with your report.
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282EOF
283 else
284cat <<EOF
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285Include the log file "$logfile" produced by configure as this will help
286solving the problem.
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287EOF
288 fi
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289 exit 1
290}
291
6c6007d6 292# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 293toupper(){
6c6007d6 294 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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295}
296
4a5444db 297tolower(){
6c6007d6 298 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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299}
300
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301c_escape(){
302 echo "$*" | sed 's/["\\]/\\\0/g'
303}
304
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305sh_quote(){
306 v=$(echo "$1" | sed "s/'/'\\\\''/g")
307 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
308 echo "$v"
309}
310
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311filter(){
312 pat=$1
313 shift
314 for v; do
98ef6079 315 eval "case $v in $pat) echo $v ;; esac"
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316 done
317}
318
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319map(){
320 m=$1
321 shift
e0e335a0 322 for v; do eval $m; done
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323}
324
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325set_all(){
326 value=$1
327 shift
328 for var in $*; do
329 eval $var=$value
330 done
331}
332
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333set_weak(){
334 value=$1
335 shift
336 for var; do
337 eval : \${$var:=$value}
338 done
339}
340
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341pushvar(){
342 for var in $*; do
343 eval level=\${${var}_level:=0}
344 eval ${var}_${level}="\$$var"
345 eval ${var}_level=$(($level+1))
346 done
347}
348
349popvar(){
350 for var in $*; do
351 eval level=\${${var}_level:-0}
352 test $level = 0 && continue
353 eval level=$(($level-1))
354 eval $var="\${${var}_${level}}"
355 eval ${var}_level=$level
356 eval unset ${var}_${level}
357 done
358}
359
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360enable(){
361 set_all yes $*
362}
363
364disable(){
365 set_all no $*
366}
367
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368enable_weak(){
369 set_weak yes $*
370}
371
372disable_weak(){
373 set_weak no $*
374}
375
72702705 376enable_safe(){
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377 for var; do
378 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
379 done
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380}
381
382disable_safe(){
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383 for var; do
384 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
385 done
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386}
387
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388do_enable_deep(){
389 for var; do
390 enabled $var && continue
391 eval sel="\$${var}_select"
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392 eval sgs="\$${var}_suggest"
393 pushvar var sgs
f9d328da 394 enable_deep $sel
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395 popvar sgs
396 enable_deep_weak $sgs
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397 popvar var
398 done
399}
400
401enable_deep(){
402 do_enable_deep $*
403 enable $*
404}
405
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406enable_deep_weak(){
407 do_enable_deep $*
408 enable_weak $*
409}
410
57bd82d4 411enabled(){
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412 test "${1#!}" = "$1" && op== || op=!=
413 eval test "x\$${1#!}" $op "xyes"
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414}
415
37970ebf 416disabled(){
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417 test "${1#!}" = "$1" && op== || op=!=
418 eval test "x\$${1#!}" $op "xno"
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419}
420
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421enabled_all(){
422 for opt; do
423 enabled $opt || return 1
424 done
425}
426
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427disabled_all(){
428 for opt; do
429 disabled $opt || return 1
430 done
431}
432
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433enabled_any(){
434 for opt; do
435 enabled $opt && return 0
436 done
437}
438
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439disabled_any(){
440 for opt; do
441 disabled $opt && return 0
442 done
f7b230a7 443 return 1
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444}
445
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446set_default(){
447 for opt; do
88268e94 448 eval : \${$opt:=\$${opt}_default}
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449 done
450}
451
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452is_in(){
453 value=$1
454 shift
455 for var in $*; do
456 [ $var = $value ] && return 0
457 done
458 return 1
459}
460
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461check_deps(){
462 for cfg; do
3250003c 463 cfg="${cfg#!}"
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464 enabled ${cfg}_checking && die "Circular dependency for $cfg."
465 disabled ${cfg}_checking && continue
466 enable ${cfg}_checking
467
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468 eval dep_all="\$${cfg}_deps"
469 eval dep_any="\$${cfg}_deps_any"
7ef3425f 470 eval dep_sel="\$${cfg}_select"
c510c7b5 471 eval dep_sgs="\$${cfg}_suggest"
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472 eval dep_ifa="\$${cfg}_if"
473 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 474
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475 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
476 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
477 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 478
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479 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
480 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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481 enabled_all $dep_all || disable $cfg
482 enabled_any $dep_any || disable $cfg
7ef3425f 483 disabled_any $dep_sel && disable $cfg
799c9e9b 484
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485 if enabled $cfg; then
486 eval dep_extralibs="\$${cfg}_extralibs"
487 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 488 enable_deep $dep_sel
c510c7b5 489 enable_deep_weak $dep_sgs
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490 fi
491
799c9e9b 492 disable ${cfg}_checking
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493 done
494}
495
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496print_config(){
497 pfx=$1
498 header=$2
499 makefile=$3
500 shift 3
501 for cfg; do
5e622c40 502 ucname="$(toupper $cfg)"
44161118 503 if enabled $cfg; then
3d907e22 504 echo "#define ${pfx}${ucname} 1" >> $header
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505 echo "${pfx}${ucname}=yes" >> $makefile
506 else
b250f9c6 507 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 508 echo "!${pfx}${ucname}=yes" >> $makefile
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509 fi
510 done
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511}
512
513flags_saved(){
2270b4b2 514 (: ${SAVE_CFLAGS?}) 2> /dev/null
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515}
516
dcd479c0 517save_flags(){
57bd82d4 518 flags_saved && return
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519 SAVE_CFLAGS="$CFLAGS"
520 SAVE_LDFLAGS="$LDFLAGS"
521 SAVE_extralibs="$extralibs"
522}
523
524restore_flags(){
f5d28d10 525 flags_saved || return
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526 CFLAGS="$SAVE_CFLAGS"
527 LDFLAGS="$SAVE_LDFLAGS"
528 extralibs="$SAVE_extralibs"
529 unset SAVE_CFLAGS
530 unset SAVE_LDFLAGS
531 unset SAVE_extralibs
532}
533
534temp_cflags(){
535 save_flags
536 CFLAGS="$CFLAGS $*"
537}
538
539temp_ldflags(){
540 save_flags
541 LDFLAGS="$LDFLAGS $*"
542}
543
544temp_extralibs(){
545 save_flags
546 extralibs="$extralibs $*"
547}
548
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549append(){
550 var=$1
551 shift
552 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
553 eval "$var=\"\$$var $*\""
554}
555
50a334e4 556add_cppflags(){
caf458dd 557 append CPPFLAGS $($filter_cppflags "$@")
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558}
559
57bd82d4 560add_cflags(){
caf458dd 561 append CFLAGS $($filter_cflags "$@")
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562}
563
2f2e6c7c 564add_asflags(){
caf458dd 565 append ASFLAGS $($filter_asflags "$@")
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566}
567
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568add_ldflags(){
569 append LDFLAGS "$@"
570}
571
572add_extralibs(){
573 append extralibs "$@"
574}
575
b0cfb663 576check_cmd(){
b3cb5d51 577 log "$@"
2270b4b2 578 "$@" >> $logfile 2>&1
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579}
580
dcd479c0 581check_cc(){
57bd82d4 582 log check_cc "$@"
2270b4b2 583 cat > $TMPC
720c69da 584 log_file $TMPC
50a334e4 585 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
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586}
587
588check_cpp(){
589 log check_cpp "$@"
2270b4b2 590 cat > $TMPC
720c69da 591 log_file $TMPC
9e7f3277 592 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
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593}
594
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595check_as(){
596 log check_as "$@"
597 cat > $TMPC
598 log_file $TMPC
2f2e6c7c 599 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
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600}
601
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602check_asm(){
603 log check_asm "$@"
604 name="$1"
3784e82e 605 code="$2"
940f335a 606 shift 2
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607 disable $name
608 check_as "$@" <<EOF && enable $name
3784e82e 609void foo(void){ __asm__ volatile($code); }
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610EOF
611}
612
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613check_yasm(){
614 log check_yasm "$@"
615 echo "$1" > $TMPS
616 log_file $TMPS
617 shift 1
618 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
619}
620
dcd479c0 621check_ld(){
57bd82d4 622 log check_ld "$@"
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623 flags=''
624 libs=''
625 for f; do
626 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
627 done
2a194acd 628 check_cc $($filter_cflags $flags) || return
684b28e0 629 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
630}
631
50a334e4
MR
632check_cppflags(){
633 log check_cppflags "$@"
caf458dd
MR
634 set -- $($filter_cppflags "$@")
635 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
636int x;
637EOF
638}
639
dcd479c0 640check_cflags(){
57bd82d4 641 log check_cflags "$@"
caf458dd
MR
642 set -- $($filter_cflags "$@")
643 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
644int x;
645EOF
646}
647
2ed46eea
MR
648test_ldflags(){
649 log test_ldflags "$@"
650 check_ld "$@" <<EOF
c23a0ac8 651int main(void){ return 0; }
dcd479c0
MR
652EOF
653}
654
2ed46eea
MR
655check_ldflags(){
656 log check_ldflags "$@"
657 test_ldflags "$@" && add_ldflags "$@"
658}
659
dcd479c0 660check_header(){
57bd82d4 661 log check_header "$@"
dcd479c0
MR
662 header=$1
663 shift
b77df637
MR
664 disable_safe $header
665 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
666#include <$header>
667int x;
668EOF
669}
670
671check_func(){
57bd82d4 672 log check_func "$@"
dcd479c0
MR
673 func=$1
674 shift
d8bc5f06
MR
675 disable $func
676 check_ld "$@" <<EOF && enable $func
dcd479c0 677extern int $func();
c23a0ac8 678int main(void){ $func(); }
dcd479c0
MR
679EOF
680}
681
645d2652 682check_mathfunc(){
6b73c0ae 683 log check_mathfunc "$@"
645d2652
MR
684 func=$1
685 shift
686 disable $func
687 check_ld "$@" <<EOF && enable $func
688#include <math.h>
33bd38db
MR
689float foo(float f) { return $func(f); }
690int main(void){ return 0; }
645d2652
MR
691EOF
692}
693
2446d3d6
DB
694check_func_headers(){
695 log check_func_headers "$@"
f8d7b072
MR
696 headers=$1
697 func=$2
698 shift 2
699 disable $func
700 incs=""
701 for hdr in $headers; do
702 incs="$incs
703#include <$hdr>"
704 done
cd0d9a9d 705 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 706$incs
d6773f56 707int main(int argc, char **argv){
2b2c2a81 708 return (long) $func;
f8d7b072
MR
709}
710EOF
711}
712
a5344cf7
SS
713check_cpp_condition(){
714 log check_cpp_condition "$@"
715 header=$1
716 condition=$2
f855b7b9
MR
717 shift 2
718 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
719#include <$header>
720#if !($condition)
721#error "unsatisfied condition: $condition"
722#endif
723EOF
724}
725
57bd82d4
MR
726check_lib(){
727 log check_lib "$@"
728 header="$1"
729 func="$2"
730 shift 2
fcfcde17
MR
731 temp_extralibs "$@"
732 check_header $header && check_func $func && add_extralibs "$@"
733 err=$?
734 restore_flags
735 return $err
57bd82d4
MR
736}
737
f8d7b072
MR
738check_lib2(){
739 log check_lib2 "$@"
740 headers="$1"
741 func="$2"
742 shift 2
300cde27 743 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
744}
745
dcd479c0 746check_exec(){
2270b4b2 747 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
748}
749
7dfef245 750check_exec_crash(){
5e622c40 751 code=$(cat)
7dfef245
MR
752
753 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
754 # are safe but may not be available everywhere. Thus we use
755 # raise(SIGTERM) instead. The check is run in a subshell so we
756 # can redirect the "Terminated" message from the shell. SIGBUS
757 # is not defined by standard C so it is used conditionally.
758
2270b4b2 759 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
760#include <signal.h>
761static void sighandler(int sig){
762 raise(SIGTERM);
763}
e5af4a11 764int main(void){
7dfef245
MR
765 signal(SIGILL, sighandler);
766 signal(SIGFPE, sighandler);
767 signal(SIGSEGV, sighandler);
768#ifdef SIGBUS
769 signal(SIGBUS, sighandler);
770#endif
771 { $code }
772}
773EOF
774}
775
72be9e73
DY
776check_type(){
777 log check_type "$@"
778 headers=$1
779 type=$2
780 shift 2
ae550ce9 781 disable_safe "$type"
72be9e73
DY
782 incs=""
783 for hdr in $headers; do
784 incs="$incs
785#include <$hdr>"
786 done
ae550ce9 787 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
788$incs
789$type v;
790EOF
791}
792
14d36751
MR
793check_struct(){
794 log check_type "$@"
795 headers=$1
796 struct=$2
797 member=$3
798 shift 3
799 disable_safe "${struct}_${member}"
800 incs=""
801 for hdr in $headers; do
802 incs="$incs
803#include <$hdr>"
804 done
805 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
806$incs
807const void *p = &(($struct *)0)->$member;
808EOF
809}
810
57bd82d4
MR
811require(){
812 name="$1"
813 header="$2"
814 func="$3"
815 shift 3
816 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
817}
818
f8d7b072
MR
819require2(){
820 name="$1"
821 headers="$2"
822 func="$3"
823 shift 3
824 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
825}
826
eea50282
MR
827check_foo_config(){
828 cfg=$1
829 pkg=$2
830 header=$3
831 func=$4
832 shift 4
833 disable $cfg
834 check_cmd ${pkg}-config --version
835 err=$?
836 if test "$err" = 0; then
5e622c40
DB
837 temp_cflags $(${pkg}-config --cflags)
838 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
839 check_lib "$@" $header $func && enable $cfg
840 fi
841 return $err
842}
843
f0125de9
MR
844check_host_cc(){
845 log check_host_cc "$@"
846 cat > $TMPC
847 log_file $TMPC
848 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
849}
850
851check_host_cflags(){
852 log check_host_cflags "$@"
853 check_host_cc "$@" <<EOF && append host_cflags "$@"
854int x;
855EOF
856}
857
c505dd31
MR
858apply(){
859 file=$1
860 shift
861 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
862}
863
c34681df
MR
864cp_if_changed(){
865 cmp -s "$1" "$2" &&
866 echo "$2 is unchanged" ||
867 cp -f "$1" "$2"
868}
869
dcd61286
DB
870# CONFIG_LIST contains configurable options, while HAVE_LIST is for
871# system-dependent things.
872
4a0d6686
AJ
873COMPONENT_LIST="
874 bsfs
875 decoders
876 demuxers
877 encoders
3cde40aa 878 filters
5666fd73 879 hwaccels
c552605c 880 indevs
4a0d6686 881 muxers
c552605c 882 outdevs
4a0d6686
AJ
883 parsers
884 protocols
885"
886
887CONFIG_LIST="
888 $COMPONENT_LIST
e8ed9b7a 889 aandct
5a0f7131
MR
890 avcodec
891 avdevice
f7679c54
VS
892 avfilter
893 avfilter_lavf
5a0f7131 894 avformat
c88f5d72 895 avisynth
f402916e 896 bzlib
7f3f5f46 897 dct
c73f65d9 898 doc
05aec7bb 899 dwt
92c6a099 900 dxva2
27a9466b 901 fastdiv
c88f5d72
MR
902 ffmpeg
903 ffplay
336ce917 904 ffprobe
c88f5d72 905 ffserver
1848f7d9 906 fft
4f034993 907 golomb
c88f5d72 908 gpl
ecfc4f44 909 gprof
d8d0d0b2 910 gray
4693b031 911 h264dsp
3abe5fbd 912 hardcoded_tables
f7b8bffe 913 libdc1394
690bfceb 914 libdirac
2eed5a46
DB
915 libfaac
916 libfaad
917 libfaadbin
c88f5d72 918 libgsm
6ebe07fb 919 libmp3lame
c88f5d72 920 libnut
0b175caa
DB
921 libopencore_amrnb
922 libopencore_amrwb
9a77d59a 923 libopenjpeg
0f943ce6 924 librtmp
f7cd9eed 925 libschroedinger
ae14f311 926 libspeex
150d2772 927 libtheora
c88f5d72 928 libvorbis
8299a7f8 929 libvpx
1cc60c47
DB
930 libx264
931 libxvid
f4d608e3 932 lpc
b781cc12 933 lsp
47a158cb 934 mdct
c88f5d72 935 memalign_hack
a8150374 936 mlib
c88f5d72
MR
937 mpegaudio_hp
938 network
3fe142e2 939 nonfree
8a3c8627 940 pic
4a24ab64 941 postproc
2b4c3615 942 powerpc_perf
68602540 943 rdft
e90f5b5a 944 runtime_cpudetect
2e35e684 945 shared
bd2216e4 946 small
6b35d421 947 sram
2e35e684 948 static
5a0f7131 949 swscale
a9ddb5b1 950 swscale_alpha
17492d5e
DB
951 vaapi
952 vdpau
9cad0e4e 953 version3
56a059ac 954 x11grab
c88f5d72 955 zlib
4a0d6686 956"
c88f5d72 957
8eee7025
DB
958THREADS_LIST='
959 beosthreads
d22e8442 960 os2threads
8eee7025
DB
961 pthreads
962 w32threads
963'
964
3f5b56e5
MR
965ARCH_LIST='
966 alpha
a2fc0f6a 967 arm
fdcd782d
MR
968 avr32
969 avr32_ap
970 avr32_uc
3f5b56e5
MR
971 bfin
972 ia64
973 m68k
974 mips
bae3abb0 975 mips64
3f5b56e5 976 parisc
79cb09b2 977 ppc
34d11b87 978 ppc64
3f5b56e5
MR
979 s390
980 sh4
981 sparc
982 sparc64
0844bae1 983 tomi
3f5b56e5
MR
984 x86
985 x86_32
986 x86_64
987'
988
989ARCH_EXT_LIST='
1ac9331a 990 altivec
3bf96eec 991 amd3dnow
a1ef9f08 992 amd3dnowext
1ac9331a 993 armv5te
edab3048 994 armv6
ab5cb084 995 armv6t2
f55b299a 996 armvfp
3f5b56e5
MR
997 iwmmxt
998 mmi
999 mmx
d7f0920b 1000 mmx2
6b18d278 1001 neon
799fde37 1002 ppc4xx
1bb04d5a 1003 sse
9eeed841 1004 ssse3
bd9d34a0 1005 vis
3f5b56e5
MR
1006'
1007
a3e02a8c
MR
1008HAVE_LIST_PUB='
1009 bigendian
1010'
1011
3f5b56e5
MR
1012HAVE_LIST="
1013 $ARCH_EXT_LIST
a3e02a8c 1014 $HAVE_LIST_PUB
3f5b56e5 1015 $THREADS_LIST
35fd8122 1016 alsa_asoundlib_h
3f5b56e5 1017 altivec_h
c9fdab0d 1018 arpa_inet_h
dffb41b9 1019 attribute_may_alias
e7ea5e3d 1020 attribute_packed
6bd859d6 1021 bswap
ecf97f22 1022 closesocket
1ac9331a 1023 cmov
e16e49ac 1024 conio_h
c88f5d72 1025 dcbzl
f8aa696f
DB
1026 dev_bktr_ioctl_bt848_h
1027 dev_bktr_ioctl_meteor_h
1028 dev_ic_bt8xx_h
1029 dev_video_meteor_ioctl_meteor_h
1030 dev_video_bktr_ioctl_bt848_h
18b67ae5 1031 dlfcn_h
c88f5d72 1032 dlopen
bc574408 1033 dos_paths
245626d0
DB
1034 ebp_available
1035 ebx_available
6b7c7703
VS
1036 exp2
1037 exp2f
c2a29455 1038 fast_64bit
669b5583 1039 fast_clz
7073e9fc 1040 fast_cmov
7b829d2a 1041 fast_unaligned
9d99cc5a 1042 fork
84882df6 1043 getaddrinfo
da9e86f8 1044 gethrtime
fc5607f8 1045 GetProcessMemoryInfo
4e68cb8a 1046 GetProcessTimes
66be5b45 1047 getrusage
fc5607f8 1048 struct_rusage_ru_maxrss
2e1913b1 1049 inet_aton
61d251db 1050 inline_asm
abfc8d05 1051 isatty
9f5ff83f 1052 ldbrx
0b4a1821
AS
1053 libdc1394_1
1054 libdc1394_2
a33cab3a 1055 llrint
07876e25 1056 llrintf
d96cd429
MR
1057 local_aligned_16
1058 local_aligned_8
291fd18a 1059 log2
6b7c7703 1060 log2f
85dd97ad 1061 loongson
a33cab3a 1062 lrint
c88f5d72 1063 lrintf
e4673692 1064 lzo1x_999_compress
f8aa696f
DB
1065 machine_ioctl_bt848_h
1066 machine_ioctl_meteor_h
c88f5d72
MR
1067 malloc_h
1068 memalign
6ffa87d3 1069 mkstemp
b4e806b2 1070 pld
1f91cdce 1071 posix_memalign
a33cab3a
MK
1072 round
1073 roundf
c88f5d72
MR
1074 sdl
1075 sdl_video_size
b507ebd1 1076 setmode
72be9e73 1077 socklen_t
deb29777 1078 soundcard_h
f8cda19e 1079 poll_h
0104b608 1080 setrlimit
87958234 1081 strerror_r
c0018613 1082 struct_addrinfo
b4d68544
MS
1083 struct_ipv6_mreq
1084 struct_sockaddr_in6
3b2372bf 1085 struct_sockaddr_sa_len
33a4dbdd 1086 struct_sockaddr_storage
b58412f1 1087 sys_mman_h
b091aa44 1088 sys_resource_h
81644c2e 1089 sys_select_h
deb29777 1090 sys_soundcard_h
1b6e8b73 1091 sys_videoio_h
d3a4b4e0 1092 ten_operands
e16e49ac 1093 termios_h
b265431e 1094 threads
7b04b8a0 1095 truncf
ce742de2 1096 vfp_args
7c5bfe7a 1097 VirtualAlloc
6ff3f3e7 1098 winsock2_h
cc078b5d 1099 xform_asm
304d586d 1100 yasm
0cb78cef 1101"
44161118 1102
b6bb00b0
MR
1103# options emitted with CONFIG_ prefix but not available on command line
1104CONFIG_EXTRA="
dc4f5a1c 1105 avutil
9cad0e4e
DB
1106 gplv3
1107 lgplv3
b6bb00b0
MR
1108"
1109
520cc7f1 1110CMDLINE_SELECT="
3f5b56e5 1111 $ARCH_EXT_LIST
520cc7f1 1112 $CONFIG_LIST
8eee7025 1113 $THREADS_LIST
c8a4ae00 1114 asm
db6107b6 1115 cross_compile
520cc7f1
MR
1116 debug
1117 extra_warnings
8c6afa4d 1118 logging
d2bbb2f7 1119 optimizations
87a0fb62 1120 stripping
7595a5e4 1121 yasm
520cc7f1 1122"
426be5dc
DB
1123
1124PATHS_LIST='
d156bede 1125 bindir
14a8acf1 1126 datadir
26759c44
MR
1127 incdir
1128 libdir
26759c44
MR
1129 mandir
1130 prefix
1131 shlibdir
426be5dc
DB
1132'
1133
1134CMDLINE_SET="
1135 $PATHS_LIST
121d78d0 1136 ar
426be5dc 1137 arch
313c46a6 1138 as
426be5dc
DB
1139 build_suffix
1140 cc
1141 cpu
1142 cross_prefix
50567afa 1143 dep_cc
ac63af34 1144 extra_version
9da6609f
MR
1145 host_cc
1146 host_cflags
1147 host_ldflags
1148 host_libs
82bb3329 1149 host_os
684b28e0 1150 ld
426be5dc 1151 logfile
4ae40685 1152 malloc_prefix
89641463 1153 nm
2fad0977 1154 samples
26759c44 1155 source_path
4f837398 1156 strip
c5200f17
MR
1157 sysinclude
1158 sysroot
a7ada2ba 1159 target_exec
26759c44 1160 target_os
a7ada2ba 1161 target_path
426be5dc 1162"
520cc7f1 1163
89f2932b
MR
1164CMDLINE_APPEND="
1165 extra_cflags
1166"
1167
912f3148
DB
1168# code dependency declarations
1169
9eeed841 1170# architecture extensions
808fa33c 1171
a2fc0f6a
MR
1172armv5te_deps="arm"
1173armv6_deps="arm"
ab5cb084 1174armv6t2_deps="arm"
a2fc0f6a
MR
1175armvfp_deps="arm"
1176iwmmxt_deps="arm"
808fa33c
MR
1177neon_deps="arm"
1178
e241ba14 1179mmi_deps="mips"
808fa33c
MR
1180
1181altivec_deps="ppc"
1182ppc4xx_deps="ppc"
1183
1184vis_deps="sparc"
1185
7f8c3d1f 1186x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1187amd3dnow_deps="mmx"
1188amd3dnowext_deps="amd3dnow"
9eeed841 1189mmx_deps="x86"
75aa95a6 1190mmx2_deps="mmx"
75aa95a6
DB
1191sse_deps="mmx"
1192ssse3_deps="sse"
9eeed841 1193
e939cedd 1194fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1195fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1196fast_unaligned_if_any="armv6 ppc x86"
669b5583 1197
89e053f8 1198need_memalign="altivec neon sse"
6fec122a 1199inline_asm_deps="!tms470"
89e053f8 1200
26fbcc85
MR
1201# subsystems
1202mdct_select="fft"
1203rdft_select="fft"
1204
5666fd73 1205# decoders / encoders / hardware accelerators
49351479 1206aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1207aac_encoder_select="mdct"
1208ac3_decoder_select="mdct ac3_parser"
f4d608e3 1209alac_encoder_select="lpc"
b781cc12 1210amrnb_decoder_select="lsp"
084cbbaa 1211atrac1_decoder_select="mdct"
26fbcc85
MR
1212atrac3_decoder_select="mdct"
1213binkaudio_dct_decoder_select="mdct rdft dct"
1214binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1215cavs_decoder_select="golomb"
26fbcc85 1216cook_decoder_select="mdct"
2eef7c62 1217cscd_decoder_suggest="zlib"
26fbcc85 1218dca_decoder_select="mdct"
e8ed9b7a 1219dnxhd_encoder_select="aandct"
2eef7c62 1220dxa_decoder_select="zlib"
baf91bb9 1221eac3_decoder_select="ac3_decoder"
84c04e25 1222eamad_decoder_select="aandct"
e8ed9b7a 1223eatgq_decoder_select="aandct"
d52b39c7 1224eatqi_decoder_select="aandct"
4f034993
MR
1225ffv1_decoder_select="golomb"
1226flac_decoder_select="golomb"
f4d608e3 1227flac_encoder_select="golomb lpc"
2eef7c62
AJ
1228flashsv_decoder_select="zlib"
1229flashsv_encoder_select="zlib"
4414137e 1230flv_decoder_select="h263_decoder"
4d4b4bd1 1231flv_encoder_select="h263_encoder"
e8ed9b7a 1232h261_encoder_select="aandct"
7f647ae0 1233h263_decoder_select="h263_parser"
e8ed9b7a 1234h263_encoder_select="aandct"
95a61cfc 1235h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1236h263i_decoder_select="h263_decoder"
fe629c2d 1237h263p_encoder_select="h263_encoder"
4693b031 1238h264_decoder_select="golomb h264dsp"
92c6a099
LA
1239h264_dxva2_hwaccel_deps="dxva2api_h"
1240h264_dxva2_hwaccel_select="dxva2 h264_decoder"
17492d5e 1241h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1242h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1243imc_decoder_select="fft mdct"
4f034993
MR
1244jpegls_decoder_select="golomb"
1245jpegls_encoder_select="golomb"
e8ed9b7a 1246ljpeg_encoder_select="aandct"
4f034993 1247loco_decoder_select="golomb"
e8ed9b7a 1248mjpeg_encoder_select="aandct"
2cca233b 1249mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1250mpeg1video_encoder_select="aandct"
1251mpeg2video_encoder_select="aandct"
4414137e 1252mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1253mpeg4_encoder_select="h263_encoder"
95a61cfc 1254mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1255mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
95a61cfc 1256mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
95a61cfc 1257mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1258mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1259mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1260mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1261msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1262msmpeg4v1_encoder_select="h263_encoder"
4414137e 1263msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1264msmpeg4v2_encoder_select="h263_encoder"
4414137e 1265msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1266msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1267nellymoser_decoder_select="mdct"
1268nellymoser_encoder_select="mdct"
2eef7c62
AJ
1269png_decoder_select="zlib"
1270png_encoder_select="zlib"
b781cc12 1271qcelp_decoder_select="lsp"
26fbcc85 1272qdm2_decoder_select="mdct rdft"
d31ba231 1273real_144_encoder_select="lpc"
a8beb22f 1274rv10_decoder_select="h263_decoder"
b2bf38b4 1275rv10_encoder_select="h263_encoder"
a8beb22f 1276rv20_decoder_select="h263_decoder"
b2bf38b4 1277rv20_encoder_select="h263_encoder"
4693b031
MR
1278rv30_decoder_select="golomb h264dsp"
1279rv40_decoder_select="golomb h264dsp"
4f034993 1280shorten_decoder_select="golomb"
b781cc12 1281sipr_decoder_select="lsp"
05aec7bb
MR
1282snow_decoder_select="dwt"
1283snow_encoder_select="aandct dwt"
4f034993
MR
1284sonic_decoder_select="golomb"
1285sonic_encoder_select="golomb"
1286sonic_ls_encoder_select="golomb"
19ecfb8a 1287svq1_encoder_select="aandct"
4693b031 1288svq3_decoder_select="golomb h264dsp"
bee2eac5 1289svq3_decoder_suggest="zlib"
4eef77c1 1290theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1291tiff_decoder_suggest="zlib"
1292tiff_encoder_suggest="zlib"
aec09a00 1293truehd_decoder_select="mlp_decoder"
2eef7c62 1294tscc_decoder_select="zlib"
b781cc12 1295twinvq_decoder_select="mdct lsp"
f95bfab0 1296vc1_decoder_select="h263_decoder"
9104cd51 1297vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1298vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1299vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1300vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1301vorbis_decoder_select="mdct"
1302vorbis_encoder_select="mdct"
e82dc4c9
DB
1303vp6a_decoder_select="vp6_decoder"
1304vp6f_decoder_select="vp6_decoder"
084cbbaa 1305wmapro_decoder_select="mdct"
26fbcc85
MR
1306wmav1_decoder_select="mdct"
1307wmav1_encoder_select="mdct"
1308wmav2_decoder_select="mdct"
1309wmav2_encoder_select="mdct"
005ad8a0 1310wmavoice_decoder_select="lsp rdft dct"
f95bfab0 1311wmv1_decoder_select="h263_decoder"
665507aa 1312wmv1_encoder_select="h263_encoder"
f95bfab0 1313wmv2_decoder_select="h263_decoder"
1746e2a9 1314wmv2_encoder_select="h263_encoder"
015f8ee0 1315wmv3_decoder_select="vc1_decoder"
f0f86627 1316wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1317wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1318wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1319zlib_decoder_select="zlib"
1320zlib_encoder_select="zlib"
1321zmbv_decoder_select="zlib"
1322zmbv_encoder_select="zlib"
30fd06be 1323
0afab17e 1324vaapi_deps="va_va_h"
c89c96e9
MR
1325vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1326
28b80940 1327# parsers
4693b031 1328h264_parser_select="golomb h264dsp"
28b80940 1329
f1e94694
DB
1330# bitstream_filters
1331aac_adtstoasc_bsf_select="aac_parser"
1332
912f3148 1333# external libraries
1b71f045 1334libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1335libdirac_encoder_deps="libdirac"
c9171a83 1336libfaac_encoder_deps="libfaac"
69ddbd1d 1337libfaad_decoder_deps="libfaad"
405213b7 1338libfaadbin_extralibs='$ldl'
299c77d5
MR
1339libgsm_decoder_deps="libgsm"
1340libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1341libgsm_ms_decoder_deps="libgsm"
1342libgsm_ms_encoder_deps="libgsm"
1cc60c47 1343libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1344libopencore_amrnb_decoder_deps="libopencore_amrnb"
1345libopencore_amrnb_encoder_deps="libopencore_amrnb"
1346libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1347libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1348libschroedinger_decoder_deps="libschroedinger"
1349libschroedinger_encoder_deps="libschroedinger"
ae14f311 1350libspeex_decoder_deps="libspeex"
150d2772 1351libtheora_encoder_deps="libtheora"
b0caf888 1352libvorbis_encoder_deps="libvorbis"
8299a7f8 1353libvpx_decoder_deps="libvpx"
ee0e9146 1354libvpx_encoder_deps="libvpx"
1cc60c47
DB
1355libx264_encoder_deps="libx264"
1356libxvid_encoder_deps="libxvid"
30fd06be 1357
912f3148 1358# demuxers / muxers
03a76ba9 1359ac3_demuxer_deps="ac3_parser"
647c2356 1360asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1361avisynth_demuxer_deps="avisynth"
1362dirac_demuxer_deps="dirac_parser"
5b423887 1363eac3_demuxer_select="ac3_parser"
647c2356 1364ipod_muxer_select="mov_muxer"
4e622dea
SS
1365libnut_demuxer_deps="libnut"
1366libnut_muxer_deps="libnut"
647c2356 1367matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1368matroska_demuxer_suggest="zlib bzlib"
1369mov_demuxer_suggest="zlib"
1370mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1371mp4_muxer_select="mov_muxer"
1372mpegtsraw_demuxer_select="mpegts_demuxer"
1373mxf_d10_muxer_select="mxf_muxer"
24ca518b 1374ogg_demuxer_select="golomb"
647c2356 1375psp_muxer_select="mov_muxer"
4e622dea 1376rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1377rtsp_muxer_deps="sdp_demuxer"
1378rtsp_muxer_select="rtp_muxer"
4e622dea 1379sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1380sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1381spdif_muxer_select="aac_parser"
647c2356
DB
1382tg2_muxer_select="mov_muxer"
1383tgp_muxer_select="mov_muxer"
6bdaa5f4 1384w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1385
1386# indevs / outdevs
38e54a75
SS
1387alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1388alsa_indev_extralibs="-lasound"
1389alsa_outdev_deps="alsa_asoundlib_h"
1390alsa_outdev_extralibs="-lasound"
38e54a75 1391bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1392dv1394_indev_deps="dv1394 dv_demuxer"
1393jack_indev_deps="jack_jack_h"
1394jack_indev_extralibs="-ljack"
1395libdc1394_indev_deps="libdc1394"
38e54a75
SS
1396oss_indev_deps_any="soundcard_h sys_soundcard_h"
1397oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1398v4l_indev_deps="linux_videodev_h"
1399v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1400vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1401vfwcap_indev_extralibs="-lavicap32"
38e54a75 1402x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1403x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1404
912f3148 1405# protocols
3fff6382 1406gopher_protocol_deps="network"
c08fb000 1407http_protocol_deps="network"
279a0c97 1408http_protocol_select="tcp_protocol"
b4cf3f6c 1409mmst_protocol_deps="network"
deeb7012
MS
1410rtmp_protocol_select="tcp_protocol"
1411rtp_protocol_select="udp_protocol"
c08fb000
AB
1412tcp_protocol_deps="network"
1413udp_protocol_deps="network"
1414
f7679c54 1415# filters
81124ba0 1416movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1417avfilter_lavf_deps="avformat"
1418
1419# libraries
1420avdevice_deps="avcodec avformat"
1421avformat_deps="avcodec"
f7679c54 1422
912f3148 1423# programs
5a0f7131 1424ffmpeg_deps="avcodec avformat swscale"
21ae6790 1425ffmpeg_select="buffer_filter"
5a0f7131 1426ffplay_deps="avcodec avformat swscale sdl"
43689902 1427ffplay_select="rdft"
336ce917 1428ffprobe_deps="avcodec avformat"
5a0f7131 1429ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1430ffserver_extralibs='$ldl'
a2830dca 1431
c73f65d9 1432doc_deps="texi2html"
912f3148 1433
de6d9b64 1434# default parameters
8a608357 1435
2ba042a7 1436logfile="config.err"
8a608357
MR
1437
1438# installation paths
c9d19248
MR
1439prefix_default="/usr/local"
1440bindir_default='${prefix}/bin'
14a8acf1 1441datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1442incdir_default='${prefix}/include'
1443libdir_default='${prefix}/lib'
1444mandir_default='${prefix}/share/man'
1445shlibdir_default="$libdir_default"
8a608357
MR
1446
1447# toolchain
121d78d0 1448ar_default="ar"
13c7df3d 1449cc_default="gcc"
a3d7c197 1450cc_version=\"unknown\"
9da6609f 1451host_cc_default="gcc"
11e6d03a 1452ln_s="ln -sf"
89641463 1453nm_default="nm"
11e6d03a 1454objformat="elf"
be7109c1 1455ranlib="ranlib"
4f837398 1456strip_default="strip"
11e6d03a 1457yasmexe="yasm"
8a608357 1458
8182dc34
MR
1459nm_opts='-g'
1460
8a608357 1461# machine
8d4c00ed 1462arch_default=$(uname -m)
38d0a8aa 1463cpu="generic"
8a608357 1464
8a608357 1465# OS
8d4c00ed
MR
1466target_os_default=$(tolower $(uname -s))
1467host_os=$target_os_default
8a608357 1468
8a608357 1469# configurable options
5a0f7131
MR
1470enable avcodec
1471enable avdevice
cccc039f 1472enable avfilter
5a0f7131 1473enable avformat
dc4f5a1c 1474enable avutil
c8a4ae00 1475enable asm
497237c7 1476enable debug
c73f65d9 1477enable doc
aa033b1e 1478enable fastdiv
497237c7
RP
1479enable ffmpeg
1480enable ffplay
336ce917 1481enable ffprobe
497237c7 1482enable ffserver
497237c7
RP
1483enable mpegaudio_hp
1484enable network
8400d6b8 1485enable optimizations
497237c7 1486enable protocols
530dc538 1487enable static
87a0fb62 1488enable stripping
5a0f7131 1489enable swscale
a9ddb5b1 1490enable swscale_alpha
8a608357 1491
8a608357 1492# build settings
9987769a 1493SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1494FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1495LIBPREF="lib"
1496LIBSUF=".a"
c5f14466
RP
1497FULLNAME='$(NAME)$(BUILDSUF)'
1498LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1499SLIBPREF="lib"
1500SLIBSUF=".so"
c5f14466 1501SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1502SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1503SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1504LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1505
7e6c86e6
MR
1506CC_O='-o $@'
1507
f0125de9 1508host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1509host_libs='-lm'
1510
9b861379 1511target_path='$(CURDIR)'
a7ada2ba 1512
0d7dca36
DB
1513# gcc stupidly only outputs the basename of targets with -MM, but we need the
1514# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1515DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1516DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1517
c597172e 1518# find source path
5e622c40 1519source_path="$(dirname "$0")"
497237c7 1520enable source_path_used
24524f36 1521if test -f configure; then
5e622c40 1522 source_path="$(pwd)"
497237c7 1523 disable source_path_used
c597172e 1524else
5e622c40 1525 source_path="$(cd "$source_path"; pwd)"
c597172e 1526 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1527 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1528 test -e "$source_path/config.h" &&
1529 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1530fi
1531
13cbe2c0 1532for v in "$@"; do
b04251c5
MR
1533 r=${v#*=}
1534 l=${v%"$r"}
1535 r=$(sh_quote "$r")
13cbe2c0
MR
1536 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1537done
c597172e 1538
73ef8980
MR
1539find_things(){
1540 thing=$1
1541 pattern=$2
1542 file=$source_path/$3
932ccf39 1543 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1544}
1545
1546ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1547DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1548HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1549PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1550BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1551MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1552DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1553OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1554INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1555PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1556FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1557
8469ae22
MR
1558for n in $COMPONENT_LIST; do
1559 v=$(toupper ${n%s})_LIST
1560 eval enable \$$v
1561 eval ${n}_if_any="\$$v"
1562done
1563
1564enable $ARCH_EXT_LIST
c597172e
MR
1565
1566die_unknown(){
1567 echo "Unknown option \"$1\"."
1568 echo "See $0 --help for available options."
1569 exit 1
1570}
1571
794f8e97 1572show_list() {
bf0c4afa
RP
1573 suffix=_$1
1574 shift
2b444ea7 1575 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1576 exit 0
1577}
1578
c597172e 1579for opt do
7483e694
DB
1580 optval="${opt#*=}"
1581 case "$opt" in
0f010b2f 1582 --extra-ldflags=*) add_ldflags $optval
7483e694 1583 ;;
0f010b2f 1584 --extra-libs=*) add_extralibs $optval
7483e694 1585 ;;
8fb1cb58 1586 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1587 ;;
40bcf4c7
BL
1588 --enable-debug=*) debuglevel="$optval"
1589 ;;
36e2dea0 1590 --disable-everything)
e0e335a0 1591 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1592 ;;
7483e694 1593 --enable-*=*|--disable-*=*)
8b93ddc3 1594 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1595 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1596 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1597 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1598 $action $(filter "$name" $list)
7483e694
DB
1599 ;;
1600 --enable-?*|--disable-?*)
5e622c40 1601 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1602 if is_in $option $COMPONENT_LIST; then
fed5d54b 1603 test $action = disable && action=unset
e3773a55
MR
1604 eval $action \$$(toupper ${option%s})_LIST
1605 elif is_in $option $CMDLINE_SELECT; then
1606 $action $option
1607 else
1608 die_unknown $opt
1609 fi
7483e694
DB
1610 ;;
1611 --list-*)
1612 NAME="${opt#--list-}"
1613 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1614 NAME=${NAME%s}
1615 eval show_list $NAME \$$(toupper $NAME)_LIST
1616 ;;
1617 --help|-h) show_help
1618 ;;
1619 *)
884a36a7 1620 optname="${opt%%=*}"
26759c44
MR
1621 optname="${optname#--}"
1622 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1623 if is_in $optname $CMDLINE_SET; then
1624 eval $optname='$optval'
1625 elif is_in $optname $CMDLINE_APPEND; then
1626 append $optname "$optval"
1627 else
1628 die_unknown $opt
1629 fi
7483e694
DB
1630 ;;
1631 esac
c597172e
MR
1632done
1633
bcea99bb
MR
1634disabled logging && logfile=/dev/null
1635
13cbe2c0 1636echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1637set >> $logfile
1638
9da6609f
MR
1639test -n "$cross_prefix" && enable cross_compile
1640
8d4c00ed
MR
1641if enabled cross_compile; then
1642 test -n "$arch" && test -n "$target_os" ||
1643 die "Must specify target arch and OS when cross-compiling"
1644fi
1645
1646set_default arch target_os
1647
121d78d0 1648ar_default="${cross_prefix}${ar_default}"
11e6d03a 1649cc_default="${cross_prefix}${cc_default}"
20e0ed95 1650nm_default="${cross_prefix}${nm_default}"
adb2b908 1651ranlib="${cross_prefix}${ranlib}"
4f837398 1652strip_default="${cross_prefix}${strip_default}"
adb2b908 1653
c5200f17
MR
1654sysinclude_default="${sysroot}/usr/include"
1655
4f837398 1656set_default cc nm strip sysinclude
9da6609f
MR
1657enabled cross_compile || host_cc_default=$cc
1658set_default host_cc
13c7df3d 1659
82bb3329
MR
1660exesuf() {
1661 case $1 in
1662 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1663 esac
1664}
1665
1666EXESUF=$(exesuf $target_os)
1667HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1668
e4e69e0b 1669# set temporary file name
a49d42c2 1670: ${TMPDIR:=$TEMPDIR}
c51fafa1 1671: ${TMPDIR:=$TMP}
a49d42c2 1672: ${TMPDIR:=/tmp}
e4e69e0b 1673
54460a83
MR
1674if ! check_cmd type mktemp; then
1675 # simple replacement for missing mktemp
1676 # NOT SAFE FOR GENERAL USE
1677 mktemp(){
1678 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1679 }
1680fi
1681
1682tmpfile(){
1683 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1684 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1685 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1686 append TMPFILES $tmp
1687 eval $1=$tmp
1688}
1689
1690trap 'rm -f -- $TMPFILES' EXIT
1691trap exit HUP INT TERM
1692
1693tmpfile TMPC .c
1694tmpfile TMPE $EXESUF
1695tmpfile TMPH .h
1696tmpfile TMPO .o
1697tmpfile TMPS .S
a482e61b 1698tmpfile TMPV .ver
54460a83
MR
1699tmpfile TMPSH .sh
1700
1701unset -f mktemp
e4e69e0b 1702
993f2d0f
MR
1703# make sure we can execute files in $TMPDIR
1704cat > $TMPSH 2>> $logfile <<EOF
1705#! /bin/sh
1706EOF
1707chmod +x $TMPSH >> $logfile 2>&1
1708if ! $TMPSH >> $logfile 2>&1; then
1709 cat <<EOF
1710Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1711variable to another directory and make sure that it is not mounted noexec.
1712EOF
1713 die "Sanity test failed."
1714fi
993f2d0f 1715
19b4c628
MR
1716filter_cflags=echo
1717filter_cppflags=echo
1718filter_asflags=echo
1719
8f0c157a 1720if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1721 cc_type=gcc
a3d7c197 1722 cc_version=__VERSION__
aef6bd1b
MR
1723 if ! $cc -dumpversion | grep -q '^2\.'; then
1724 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1725 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1726 fi
14ca9cd0
MR
1727 speed_cflags='-O3'
1728 size_cflags='-Os'
629687f6
MR
1729elif $cc --version 2>/dev/null | grep -q Intel; then
1730 cc_type=icc
6e3fa35d 1731 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1732 CC_DEPFLAGS='-MMD'
1733 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1734 speed_cflags='-O3'
1735 size_cflags='-Os'
b05394a0 1736 noopt_cflags='-O1'
629687f6
MR
1737elif $cc -v 2>&1 | grep -q xlc; then
1738 cc_type=xlc
6e3fa35d 1739 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1740 speed_cflags='-O5'
1741 size_cflags='-O5 -qcompact'
df442a8d
MR
1742elif $cc -V 2>/dev/null | grep -q Compaq; then
1743 cc_type=ccc
6e3fa35d 1744 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1745 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1746 debuglevel=3
df442a8d 1747 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1748 speed_cflags='-fast'
1749 size_cflags='-O1'
6a0d5493 1750elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1751 test -d "$sysroot" || die "No valid sysroot specified."
1752 cc_type=armcc
6e3fa35d 1753 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1754 armcc_conf="$PWD/armcc.conf"
1755 $cc --arm_linux_configure \
1756 --arm_linux_config_file="$armcc_conf" \
1757 --configure_sysroot="$sysroot" \
1758 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1759 die "Error creating armcc configuration file."
1760 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1761 as_default="${cross_prefix}gcc"
07dec06e
MR
1762 CC_DEPFLAGS='-MMD'
1763 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1764 speed_cflags='-O3'
1765 size_cflags='-Os'
6fec122a
MR
1766elif $cc -version 2>/dev/null | grep -q TMS470; then
1767 cc_type=tms470
6e3fa35d 1768 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1769 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1770 CC_O='-fr=$(@D)'
1771 as_default="${cross_prefix}gcc"
1772 ld_default="${cross_prefix}gcc"
6fec122a
MR
1773 TMPO=$(basename $TMPC .c).o
1774 append TMPFILES $TMPO
1775 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1776 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1777 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1778 speed_cflags='-O3 -mf=5'
1779 size_cflags='-O3 -mf=2'
6fec122a
MR
1780 filter_cflags=tms470_flags
1781 tms470_flags(){
1782 for flag; do
1783 case $flag in
1784 -march=*|-mcpu=*)
1785 case "${flag#*=}" in
1786 armv7-a|cortex-a*) echo -mv=7a8 ;;
1787 armv7-r|cortex-r*) echo -mv=7r4 ;;
1788 armv7-m|cortex-m*) echo -mv=7m3 ;;
1789 armv6*|arm11*) echo -mv=6 ;;
1790 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1791 echo -mv=5e ;;
1792 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1793 esac
1794 ;;
1795 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1796 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1797 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1798 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1799 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1800 -g) echo -g -mn ;;
587d24ff 1801 -pds=*) echo $flag ;;
6fec122a
MR
1802 esac
1803 done
1804 }
06da6943
DC
1805elif $cc -v 2>&1 | grep -q clang; then
1806 cc_type=clang
1807 cc_version=__VERSION__
1808 CC_DEPFLAGS='-MMD'
1809 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1810 speed_cflags='-O3'
1811 size_cflags='-Os'
2a472e9c
MK
1812elif $cc -V 2>&1 | grep -q Sun; then
1813 cc_type=suncc
1814 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1815 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1816 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1817 speed_cflags='-O5'
1818 size_cflags='-O5 -xspace'
03279bbe
MK
1819 filter_cflags=suncc_flags
1820 suncc_flags(){
1821 for flag; do
1822 case $flag in
1823 -march=*|-mcpu=*)
1824 case "${flag#*=}" in
1825 native) echo -xtarget=native ;;
87ddc38b 1826 v9|niagara) echo -xarch=sparc ;;
03279bbe 1827 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 1828 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
1829 i586|pentium) echo -xchip=pentium ;;
1830 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1831 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1832 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1833 pentium4*) echo -xtarget=pentium4 ;;
1834 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1835 *-sse3) echo -xarch=sse3 ;;
1836 core2) echo -xarch=ssse3 -xchip=core2 ;;
1837 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1838 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1839 k8|opteron|athlon64|athlon-fx)
1840 echo -xarch=sse2a ;;
1841 athlon*) echo -xarch=pentium_proa ;;
1842 esac
1843 ;;
1844 -std=c99) echo -xc99 ;;
1845 -fomit-frame-pointer) echo -xregs=frameptr ;;
1846 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1847 -W*,*) echo $flag ;;
1848 -f*-*|-W*) ;;
1849 *) echo $flag ;;
1850 esac
1851 done
1852 }
629687f6
MR
1853fi
1854
1855test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1856
75bafbac 1857: ${as_default:=$cc}
50567afa 1858: ${dep_cc_default:=$cc}
684b28e0 1859: ${ld_default:=$cc}
121d78d0 1860set_default ar as dep_cc ld
75800dce 1861
07dec06e
MR
1862test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1863test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1864
7f32f40c 1865add_cflags $extra_cflags
2f2e6c7c 1866add_asflags $extra_cflags
7f32f40c 1867
154d432c
MR
1868if test -n "$sysroot"; then
1869 case "$cc_type" in
1870 gcc)
467256f2 1871 add_cppflags --sysroot="$sysroot"
154d432c
MR
1872 add_ldflags --sysroot="$sysroot"
1873 ;;
6fec122a
MR
1874 tms470)
1875 add_cppflags -I"$sysinclude"
1876 add_ldflags --sysroot="$sysroot"
1877 ;;
06da6943 1878 clang)
4def700e
DC
1879 add_cppflags -isysroot "$sysroot"
1880 add_ldflags -isysroot "$sysroot"
06da6943 1881 ;;
154d432c
MR
1882 esac
1883fi
1884
d22c13a8
MR
1885if test "$cpu" = host; then
1886 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1887
1888 case "$cc_type" in
1889 gcc)
1890 check_native(){
1891 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1892 sed -n "/$1=/{
1893 s/.*$1=\\([^ ]*\\).*/\\1/
1894 p
1895 q
1896 }" $TMPE
d22c13a8
MR
1897 }
1898 cpu=$(check_native -march || check_native -mcpu)
1899 ;;
1900 esac
1901
1902 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1903fi
1904
e939cedd
MR
1905# Deal with common $arch aliases
1906case "$arch" in
1907 arm*)
1908 arch="arm"
1909 ;;
1910 mips|mipsel|IP*)
1911 arch="mips"
1912 ;;
47b1860e 1913 mips64*)
e939cedd
MR
1914 arch="mips"
1915 subarch="mips64"
1916 ;;
1917 parisc|hppa)
1918 arch="parisc"
1919 ;;
1920 parisc64|hppa64)
1921 arch="parisc"
1922 subarch="parisc64"
1923 ;;
1924 "Power Macintosh"|ppc|powerpc)
1925 arch="ppc"
1926 ;;
47b1860e 1927 ppc64|powerpc64)
e939cedd
MR
1928 arch="ppc"
1929 subarch="ppc64"
1930 ;;
1931 s390|s390x)
1932 arch="s390"
1933 ;;
1934 sh4|sh)
1935 arch="sh4"
1936 ;;
1937 sun4u|sparc64)
1938 arch="sparc"
1939 subarch="sparc64"
1940 ;;
1941 i[3-6]86|i86pc|BePC|x86_64|amd64)
1942 arch="x86"
1943 ;;
1944esac
1945
1946is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1947enable $arch
e939cedd 1948
df5cdc24 1949# Add processor-specific flags
5d54c126
MR
1950if test "$cpu" = generic; then
1951 : do nothing
1952elif enabled ppc; then
343aef9b 1953
56348891
MR
1954 case $(tolower $cpu) in
1955 601|ppc601|powerpc601)
9dbd5c3d 1956 cpuflags="-mcpu=601"
64ad53ff 1957 disable altivec
9dbd5c3d 1958 ;;
56348891 1959 603*|ppc603*|powerpc603*)
9dbd5c3d 1960 cpuflags="-mcpu=603"
64ad53ff 1961 disable altivec
9dbd5c3d 1962 ;;
56348891 1963 604*|ppc604*|powerpc604*)
9dbd5c3d 1964 cpuflags="-mcpu=604"
64ad53ff 1965 disable altivec
9dbd5c3d 1966 ;;
56348891 1967 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1968 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1969 disable altivec
9dbd5c3d 1970 ;;
56348891 1971 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1972 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1973 ;;
56348891 1974 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1975 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1976 ;;
56348891 1977 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1978 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1979 ;;
56348891 1980 cell)
9dbd5c3d
MR
1981 cpuflags="-mcpu=cell"
1982 enable ldbrx
1983 ;;
7b0b81a1
AL
1984 e500v2)
1985 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1986 disable altivec
1987 ;;
1988 e500)
1989 cpuflags="-mcpu=8540 -mhard-float"
1990 disable altivec
1991 ;;
9dbd5c3d 1992 esac
343aef9b
MR
1993
1994elif enabled x86; then
1995
9dbd5c3d
MR
1996 case $cpu in
1997 i[345]86|pentium)
1998 cpuflags="-march=$cpu"
1999 disable mmx
2000 ;;
2001 # targets that do NOT support conditional mov (cmov)
2002 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2003 cpuflags="-march=$cpu"
2004 disable cmov
2005 ;;
2006 # targets that do support conditional mov (cmov)
2007 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2008 cpuflags="-march=$cpu"
2009 enable cmov
2010 enable fast_cmov
2011 ;;
2012 # targets that do support conditional mov but on which it's slow
2013 pentium4|pentium4m|prescott|nocona)
2014 cpuflags="-march=$cpu"
2015 enable cmov
2016 disable fast_cmov
2017 ;;
2018 esac
343aef9b
MR
2019
2020elif enabled sparc; then
2021
9dbd5c3d 2022 case $cpu in
26b7199e
MK
2023 niagara)
2024 cpuflags="-mcpu=$cpu"
2025 disable vis
2026 ;;
9dbd5c3d
MR
2027 sparc64)
2028 cpuflags="-mcpu=v9"
2029 ;;
2030 esac
343aef9b
MR
2031
2032elif enabled arm; then
2033
34ba23c9
MR
2034 case $cpu in
2035 armv*)
2036 cpuflags="-march=$cpu"
2037 ;;
2038 *)
2039 cpuflags="-mcpu=$cpu"
2040 ;;
2041 esac
343aef9b
MR
2042
2043elif enabled alpha; then
2044
34ba23c9 2045 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2046
2047elif enabled bfin; then
2048
34ba23c9 2049 cpuflags="-mcpu=$cpu"
343aef9b
MR
2050
2051elif enabled mips; then
2052
34ba23c9 2053 cpuflags="-march=$cpu"
343aef9b
MR
2054
2055elif enabled avr32; then
2056
9dbd5c3d
MR
2057 case $cpu in
2058 ap7[02]0[0-2])
2059 subarch="avr32_ap"
2060 cpuflags="-mpart=$cpu"
2061 ;;
2062 ap)
2063 subarch="avr32_ap"
2064 cpuflags="-march=$cpu"
2065 ;;
2066 uc3[ab]*)
2067 subarch="avr32_uc"
2068 cpuflags="-mcpu=$cpu"
2069 ;;
2070 uc)
2071 subarch="avr32_uc"
2072 cpuflags="-march=$cpu"
2073 ;;
2074 esac
df5cdc24 2075
343aef9b
MR
2076fi
2077
df5cdc24
MR
2078add_cflags $cpuflags
2079add_asflags $cpuflags
2080
993f2d0f
MR
2081# compiler sanity check
2082check_exec <<EOF
2083int main(void){ return 0; }
2084EOF
2085if test "$?" != 0; then
2086 echo "$cc is unable to create an executable file."
2087 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2088 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2089 echo "Only do this if you know what cross compiling means."
2090 fi
2091 die "C compiler test failed."
2092fi
2093
38a9c529 2094add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2095check_cflags -std=c99
50a334e4 2096check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2097#include <stdlib.h>
2098EOF
50a334e4 2099check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2100#include <stdlib.h>
2101EOF
e9b9a2f8 2102
f0125de9
MR
2103check_host_cflags -std=c99
2104
b24dbcbd 2105case "$arch" in
e939cedd 2106 alpha|ia64|mips|parisc|sparc)
8a3c8627 2107 spic=$shared
b24dbcbd 2108 ;;
e939cedd 2109 x86)
cfdb6148 2110 subarch="x86_32"
e939cedd 2111 check_cc <<EOF && subarch="x86_64"
58b3536d 2112 int test[(int)sizeof(char*) - 7];
cfdb6148 2113EOF
de27f4d9 2114 if test "$subarch" = "x86_64"; then
e939cedd 2115 spic=$shared
de27f4d9 2116 fi
b24dbcbd 2117 ;;
b24dbcbd
RP
2118esac
2119
343aef9b 2120enable $subarch
8a3c8627 2121enabled spic && enable pic
b24dbcbd 2122
7483e694 2123# OS specific
4f854758 2124case $target_os in
a1629e28 2125 haiku)
63ae7e7c 2126 prefix_default="/boot/common"
108caaaa 2127 network_extralibs="-lnetwork"
a1629e28 2128 ;;
7483e694
DB
2129 sunos)
2130 FFSERVERLDFLAGS=""
9987769a 2131 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2132 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2133 network_extralibs="-lsocket -lnsl"
50a334e4 2134 add_cppflags -D__EXTENSIONS__
8182dc34 2135 nm_opts='-P -g'
7483e694
DB
2136 ;;
2137 netbsd)
07a8eef6
MR
2138 oss_indev_extralibs="-lossaudio"
2139 oss_outdev_extralibs="-lossaudio"
2138dc99 2140 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2141 ;;
2142 openbsd)
89e053f8 2143 enable malloc_aligned
7c4a001a
MR
2144 # On OpenBSD 4.5. the compiler does not use PIC unless
2145 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2146 # however the generated executable will not do anything
2147 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2148 # Thus explicitly enable PIC here.
cd78208b 2149 enable pic
7483e694 2150 SHFLAGS='-shared'
07a8eef6
MR
2151 oss_indev_extralibs="-lossaudio"
2152 oss_outdev_extralibs="-lossaudio"
7483e694 2153 ;;
90b4f091 2154 freebsd|dragonfly)
89e053f8 2155 enable malloc_aligned
7483e694
DB
2156 ;;
2157 bsd/os)
2158 osextralibs="-lpoll -lgnugetopt"
2159 strip="strip -d"
2160 ;;
2161 darwin)
89e053f8 2162 enable malloc_aligned
0138c54e 2163 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2164 strip="strip -x"
2165 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2166 SLIBSUF=".dylib"
2167 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2168 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2169 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2170 objformat="macho"
1b0f6fb8 2171 enabled x86_64 && objformat="macho64"
8dfa86f7 2172 enabled_any pic shared ||
2704bd1a 2173 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2174 ;;
2175 mingw32*)
9d3f4f50 2176 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2177 disable network
2178 else
2179 target_os=mingw32
2180 fi
dcc01c06 2181 LIBTARGET=i386
1fc9fb8a 2182 if enabled x86_64; then
89e053f8 2183 enable malloc_aligned
dcc01c06 2184 LIBTARGET=x64
336cc1b0
MS
2185 elif enabled arm; then
2186 LIBTARGET=arm
dcc01c06 2187 fi
fbd971a4 2188 shlibdir_default="$bindir_default"
7483e694
DB
2189 disable ffserver
2190 SLIBPREF=""
2191 SLIBSUF=".dll"
7483e694
DB
2192 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2193 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2194 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2195 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2196 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2197 install -d "$(LIBDIR)"; \
2198 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2199 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2200 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2201 objformat="win32"
bc574408 2202 enable dos_paths
1894e741 2203 check_cflags -fno-common
b1549d61 2204 if ! enabled x86_64; then
f7ad5aa2
RP
2205 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2206 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2207 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2208 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2209 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2210 fi
7483e694
DB
2211 ;;
2212 cygwin*)
4f854758 2213 target_os=cygwin
fbd971a4 2214 shlibdir_default="$bindir_default"
7483e694
DB
2215 SLIBPREF="cyg"
2216 SLIBSUF=".dll"
2217 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2218 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2219 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2220 objformat="win32"
bc574408 2221 enable dos_paths
1894e741 2222 check_cflags -fno-common
7483e694 2223 ;;
4f365f37 2224 *-dos|freedos|opendos)
fdf11906 2225 disable ffplay ffserver
4f365f37
MK
2226 disable $INDEV_LIST $OUTDEV_LIST
2227 network_extralibs="-lsocket"
ff1c015d 2228 objformat="coff"
bc574408 2229 enable dos_paths
4f365f37 2230 ;;
7483e694 2231 linux)
7483e694
DB
2232 enable dv1394
2233 ;;
2234 irix*)
4f854758 2235 target_os=irix
7483e694
DB
2236 ranlib="echo ignoring ranlib"
2237 ;;
d22e8442 2238 os/2*)
d22e8442
DY
2239 strip="lxlite"
2240 ln_s="cp -f"
d22e8442 2241 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2242 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2243 FFSERVERLDFLAGS=""
287d3b13 2244 LIBSUF="_s.a"
d22e8442
DY
2245 SLIBPREF=""
2246 SLIBSUF=".dll"
2247 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2248 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2249 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2250 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2251 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2252 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2253 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2254 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2255 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2256 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2257 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2258 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2259 enable dos_paths
d22e8442 2260 ;;
83993c1c
AM
2261 gnu/kfreebsd)
2262 ;;
34e82167 2263 gnu)
34e82167 2264 ;;
614d8911
MR
2265 none)
2266 ;;
7483e694 2267 *)
4f924f9a 2268 die "Unknown OS '$target_os'."
7483e694
DB
2269 ;;
2270esac
2271
13cb2187
AS
2272check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2273
c9d19248
MR
2274set_default $PATHS_LIST
2275
c597172e 2276add_extralibs $osextralibs
de6d9b64 2277
28d8e661
DB
2278# Combine FFLDFLAGS and the LDFLAGS environment variable.
2279LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2280
320d060a 2281# we need to build at least one lib type
93b3c083 2282if ! enabled_any static shared; then
320d060a
DB
2283 cat <<EOF
2284At least one library type must be built.
2285Specify --enable-static to build the static libraries or --enable-shared to
2286build the shared libraries as well. To only build the shared libraries specify
2287--disable-static in addition to --enable-shared.
2288EOF
2289 exit 1;
2290fi
2291
abc4e572 2292disabled static && LIBNAME=""
2a320695 2293
a2234ceb
RP
2294if enabled_any libfaad libfaadbin ; then
2295 if check_header faad.h; then
295b8c70 2296 check_cc <<EOF
a2234ceb
RP
2297#include <faad.h>
2298#ifndef FAAD2_VERSION
2299ok faad1
2300#endif
db817cf3 2301int main(void) { return 0; }
a2234ceb
RP
2302EOF
2303 test $? = 0 && enable libfaad2
2304 else
ff3dac65 2305 die "FAAD test failed."
a2234ceb
RP
2306 fi
2307fi
2308
2309
2184c6f7 2310die_license_disabled() {
4c27207c 2311 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2312}
2313
2314die_license_disabled gpl libfaad2
2315die_license_disabled gpl libx264
2316die_license_disabled gpl libxvid
2317die_license_disabled gpl postproc
2318die_license_disabled gpl x11grab
2319
2f7ae63b 2320die_license_disabled nonfree libfaac
b2e3c528 2321
0b175caa
DB
2322die_license_disabled version3 libopencore_amrnb
2323die_license_disabled version3 libopencore_amrwb
2324
9cad0e4e 2325enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2326
9eeed841 2327check_deps $ARCH_EXT_LIST
0f3cb305 2328
40617a6d 2329disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2330
e276d9e8
MR
2331enable_pic() {
2332 enable pic
bce7b696
MR
2333 add_cppflags -DPIC
2334 add_cflags -fPIC
2335 add_asflags -fPIC
e276d9e8
MR
2336}
2337
2338enabled pic && enable_pic
bce7b696 2339
b4d96ba2
MR
2340check_cc <<EOF || die "Symbol mangling check failed."
2341int ff_extern;
2342EOF
8182dc34 2343sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2344extern_prefix=${sym%%ff_extern*}
2345
f65883c8
MR
2346check_cc <<EOF && enable inline_asm
2347void foo(void) { __asm__ volatile ("" ::); }
2348EOF
61d251db 2349
df5e3978
MR
2350_restrict=
2351for restrict_keyword in restrict __restrict__ __restrict; do
2352 check_cc <<EOF && _restrict=$restrict_keyword && break
2353void foo(char * $restrict_keyword p);
2354EOF
2355done
2356
2357check_cc <<EOF && enable attribute_packed
2358struct { int x; } __attribute__((packed)) x;
2359EOF
2360
dffb41b9
MR
2361check_cc <<EOF && enable attribute_may_alias
2362union { int x; } __attribute__((may_alias)) x;
2363EOF
2364
df5e3978
MR
2365check_cc <<EOF || die "endian test failed"
2366unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2367EOF
48fc536a 2368od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2369
e939cedd
MR
2370if enabled alpha; then
2371
2372 check_cflags -mieee
2373
2374elif enabled arm; then
e45391bb 2375
50fa82e6
MR
2376 check_cflags -marm
2377
fa0912fe
MR
2378 check_ld <<EOF && enable vfp_args
2379__asm__ (".eabi_attribute 28, 1");
2380int main(void) { return 0; }
2381EOF
2382
2383 # We have to check if pld is a nop and disable it.
2384 check_asm pld '"pld [r0]"'
2385
2386 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2387 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2388 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2389 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2390 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2391 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2392
e276d9e8
MR
2393 enabled_all armv6t2 shared !pic && enable_pic
2394
fa0912fe 2395elif enabled mips; then
e45391bb 2396
fa0912fe
MR
2397 check_asm loongson '"dmult.g $1, $2, $3"'
2398 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2399
fa0912fe 2400elif enabled ppc; then
e45391bb 2401
e6a0c354
MR
2402 enable local_aligned_8 local_aligned_16
2403
fa0912fe
MR
2404 check_asm dcbzl '"dcbzl 0, 1"'
2405 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2406 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2407
2408 # AltiVec flags: The FSF version of GCC differs from the Apple version
2409 if enabled altivec; then
2410 check_cflags -maltivec -mabi=altivec &&
2411 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2412 check_cflags -faltivec
2413
2414 # check if our compiler supports Motorola AltiVec C API
2415 check_cc <<EOF || disable altivec
2416$inc_altivec_h
2417int main(void) {
2418 vector signed int v1, v2, v3;
2419 v1 = vec_add(v2,v3);
2420 return 0;
2421}
2422EOF
2423
2424 # check if our compiler supports braces for vector declarations
2425 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2426$inc_altivec_h
2427int main (void) { (vector int) {1}; return 0; }
2428EOF
2429 fi
e45391bb 2430
fa0912fe 2431elif enabled sparc; then
e45391bb 2432
fa0912fe
MR
2433 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2434 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2435
fa0912fe 2436elif enabled x86; then
e45391bb 2437
e6a0c354
MR
2438 enable local_aligned_8 local_aligned_16
2439
44965991
PI
2440 # check whether EBP is available on x86
2441 # As 'i' is stored on the stack, this program will crash
2442 # if the base pointer is used to access it because the
2443 # base pointer is cleared in the inline assembly code.
7dfef245 2444 check_exec_crash <<EOF && enable ebp_available
44965991 2445 volatile int i=0;
be449fca 2446 __asm__ volatile (
44965991
PI
2447 "xorl %%ebp, %%ebp"
2448 ::: "%ebp");
2449 return i;
44965991
PI
2450EOF
2451
f494213c 2452 # check whether EBX is available on x86
7cee5421
MR
2453 check_asm ebx_available '""::"b"(0)' &&
2454 check_asm ebx_available '"":::"%ebx"'
8e380710 2455
d3a4b4e0
DB
2456 # check whether more than 10 operands are supported
2457 check_cc <<EOF && enable ten_operands
2458int main(void) {
2459 int x=0;
2460 __asm__ volatile(
2461 ""
2462 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2463 );
2464 return 0;
2465}
2466EOF
2467
d7f0920b 2468 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2469 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2470 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2471
2472 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2473
d52481b9 2474 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2475 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2476 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2477 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2478 case "$objformat" in
2479 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2480 esac
7595a5e4 2481 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2482
669b5583
MR
2483 case "$cpu" in
2484 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2485 disable fast_clz
2486 ;;
2487 esac
2488
44965991
PI
2489fi
2490
a98bb16d
RP
2491if check_func dlopen; then
2492 ldl=
2493elif check_func dlopen -ldl; then
2494 ldl=-ldl
8bf5d58f
MN
2495fi
2496
75ecf149
DB
2497# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2498check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2499
7483e694 2500check_func fork
84882df6 2501check_func getaddrinfo $network_extralibs
7483e694
DB
2502check_func gethrtime
2503check_func getrusage
fc5607f8 2504check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2505check_func inet_aton $network_extralibs
abfc8d05 2506check_func isatty
4ae40685 2507check_func ${malloc_prefix}memalign && enable memalign
7483e694 2508check_func mkstemp
4ae40685 2509check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2510check_func setrlimit
87958234 2511check_func strerror_r
b507ebd1 2512check_func_headers io.h setmode
e4673692 2513check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2514check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2515check_func_headers windows.h GetProcessTimes
7c5bfe7a 2516check_func_headers windows.h VirtualAlloc
6ffa87d3 2517
e16e49ac 2518check_header conio.h
a98bb16d 2519check_header dlfcn.h
92c6a099 2520check_header dxva2api.h
a98bb16d 2521check_header malloc.h
bf6ce82d 2522check_header poll.h
b58412f1 2523check_header sys/mman.h
b091aa44 2524check_header sys/resource.h
bf6ce82d 2525check_header sys/select.h
a98bb16d 2526check_header termios.h
272081b0
CEH
2527check_header vdpau/vdpau.h
2528check_header vdpau/vdpau_x11.h
68178ca9 2529check_header X11/extensions/XvMClib.h
a98bb16d 2530
9104cd51
RP
2531check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2532
89e053f8
MR
2533if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2534 enabled_any $need_memalign ; then
1f91cdce 2535 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2536fi
e16e49ac 2537
a4fa192c 2538disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2539disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2540
2541# check for some common methods of building with pthread support
2542# do this before the optional library checks as some of them require pthreads
2543if enabled pthreads; then
9e7fd101
MR
2544 if check_func pthread_create; then
2545 :
2546 elif check_func pthread_create -pthread; then
2547 add_cflags -pthread
afc9aee2 2548 add_extralibs -pthread
9e7fd101
MR
2549 elif check_func pthread_create -pthreads; then
2550 add_cflags -pthreads
afc9aee2 2551 add_extralibs -pthreads
8d94f606
GT
2552 elif check_func pthread_create -lpthreadGC2; then
2553 add_extralibs -lpthreadGC2
9e7fd101
MR
2554 elif ! check_lib pthread.h pthread_create -lpthread; then
2555 die "ERROR: can't find pthreads library"
2556 fi
57bd82d4
MR
2557fi
2558
8eee7025 2559for thread in $THREADS_LIST; do
e5f94c2b 2560 if enabled $thread; then
3ae3b721
RP
2561 test -n "$thread_type" &&
2562 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2563 thread_type="$thread"
e5f94c2b
RP
2564 fi
2565done
2566
fdf88598 2567check_lib math.h sin -lm
edd43c95 2568disabled vaapi || check_lib va/va.h vaInitialize -lva
fdf88598 2569
645d2652
MR
2570check_mathfunc exp2
2571check_mathfunc exp2f
2572check_mathfunc llrint
07876e25 2573check_mathfunc llrintf
645d2652
MR
2574check_mathfunc log2
2575check_mathfunc log2f
2576check_mathfunc lrint
2577check_mathfunc lrintf
2578check_mathfunc round
2579check_mathfunc roundf
2580check_mathfunc truncf
f32adb22 2581
57bd82d4 2582# these are off by default, so fail if requested and not available
a1b3c5a3 2583enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2584enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2585 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2586 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2587enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2588enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
5af41508 2589enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2590enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2591enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2592enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2593enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2594enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3a9bc39e 2595enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
36718e51
DB
2596enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2597 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2598enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2599enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2600enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
ee0e9146
JZ
2601enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2602 require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
60877ad9 2603enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
652d9d24
JGG
2604 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2605 die "ERROR: libx264 version must be >= 0.98."; }
2bfecf73 2606enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2607enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2608
0b4a1821
AS
2609# libdc1394 check
2610if enabled libdc1394; then
2611 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2612 enable libdc1394_2; } ||
2613 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2614 enable libdc1394_1; } ||
2615 die "ERROR: No version of libdc1394 found "
2616fi
2617
6a1a892f 2618SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2619if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2620 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2621 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2622 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2623 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2624 enable sdl &&
2625 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2626fi
57bd82d4 2627
2270b4b2 2628texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2629
73b46a95 2630if enabled network; then
96000432 2631 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2632 check_type netdb.h "struct addrinfo"
b4d68544
MS
2633 check_type netinet/in.h "struct ipv6_mreq"
2634 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2635 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2636 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2637 # Prefer arpa/inet.h over winsock2
2638 if check_header arpa/inet.h ; then
2639 check_func closesocket
2640 elif check_header winsock2.h ; then
f4c13872
MS
2641 check_func_headers winsock2.h closesocket -lws2 && \
2642 network_extralibs="-lws2" || \
2643 { check_func_headers winsock2.h closesocket -lws2_32 && \
2644 network_extralibs="-lws2_32"; }
72be9e73 2645 check_type ws2tcpip.h socklen_t
c0018613 2646 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2647 check_type ws2tcpip.h "struct ipv6_mreq"
2648 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2649 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2650 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2651 else
2652 disable network
73b46a95
RP
2653 fi
2654fi
2655
06e31011
RP
2656check_header linux/videodev.h
2657check_header linux/videodev2.h
1b6e8b73 2658check_header sys/videoio.h
47f38850 2659
27796dc3 2660check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2661
f8aa696f 2662# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2663{ check_header dev/bktr/ioctl_meteor.h &&
2664 check_header dev/bktr/ioctl_bt848.h; } ||
2665{ check_header machine/ioctl_meteor.h &&
2666 check_header machine/ioctl_bt848.h; } ||
2667{ check_header dev/video/meteor/ioctl_meteor.h &&
2668 check_header dev/video/bktr/ioctl_bt848.h; } ||
2669check_header dev/ic/bt8xx.h
f8aa696f 2670
c7682de0
RP
2671check_header sys/soundcard.h
2672check_header soundcard.h
deb29777 2673
b6f3d925 2674enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2675
0e57fe17 2676enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2677
56a059ac 2678enabled x11grab &&
f58f4ce1
GP
2679check_header X11/Xlib.h &&
2680check_header X11/extensions/XShm.h &&
0a045661 2681check_header X11/extensions/Xfixes.h &&
f58f4ce1 2682check_func XOpenDisplay -lX11 &&
781c1aa6
R
2683check_func XShmCreateImage -lX11 -lXext &&
2684check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2685
598ef02b 2686if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2687check_cpp_condition \
2688 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2689 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2690 disable vdpau; }
abf649c7 2691fi
deda2a4a 2692
95e561ec 2693enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2694
2695# add some useful compiler flags if supported
2696check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2697check_cflags -Wall
2698check_cflags -Wno-switch
c07bd6a9
MN
2699check_cflags -Wdisabled-optimization
2700check_cflags -Wpointer-arith
2701check_cflags -Wredundant-decls
cc1fb623 2702check_cflags -Wno-pointer-sign
f4929996 2703check_cflags -Wcast-qual
9aceb3cf 2704check_cflags -Wwrite-strings
652a5bf6 2705check_cflags -Wtype-limits
764551c6 2706check_cflags -Wundef
fc298fd9 2707check_cflags -Wmissing-prototypes
5af4e0cc 2708enabled extra_warnings && check_cflags -Winline
cf9d24ad 2709
57bd82d4 2710# add some linker flags
5c0e9479 2711check_ldflags -Wl,--warn-common
8351d2ba
DB
2712check_ldflags -Wl,--as-needed
2713check_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 2714check_ldflags -Wl,-Bsymbolic
94a3401e 2715
a482e61b
MR
2716echo "X{};" > $TMPV
2717test_ldflags -Wl,--version-script,$TMPV &&
2718 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2719
bd2216e4 2720if enabled small; then
14ca9cd0 2721 add_cflags $size_cflags
8400d6b8
DB
2722 optimizations="small"
2723elif enabled optimizations; then
14ca9cd0 2724 add_cflags $speed_cflags
b05394a0
MR
2725else
2726 add_cflags $noopt_cflags
cddf3f45 2727fi
11fdbc44 2728check_cflags -fno-math-errno
b2eb2ff0 2729check_cflags -fno-signed-zeros
cddf3f45 2730
629687f6 2731if enabled icc; then
b1598b58
MR
2732 # Just warnings, no remarks
2733 check_cflags -w1
2734 # -wd: Disable following warnings
2735 # 144, 167, 556: -Wno-pointer-sign
2736 # 10006: ignoring unknown option -fno-signed-zeros
2737 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2738 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2739 # 11030: Warning unknown option --as-needed
2740 # 10156: ignoring option '-export'; no argument required
2741 check_ldflags -wd10156,11030
2742 # Allow to compile with optimizations
2743 check_ldflags -march=$cpu
be2cf98a
CEH
2744 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2745 enable ebp_available
df442a8d
MR
2746elif enabled ccc; then
2747 # disable some annoying warnings
2748 add_cflags -msg_disable cvtu32to64
2749 add_cflags -msg_disable embedcomment
2750 add_cflags -msg_disable needconstext
2751 add_cflags -msg_disable nomainieee
2752 add_cflags -msg_disable ptrmismatch1
2753 add_cflags -msg_disable unreachcode
973859f5
MR
2754elif enabled gcc; then
2755 check_cflags -fno-tree-vectorize
62df111c 2756 check_cflags -Werror=implicit
de63bfec 2757 check_cflags -Werror=missing-prototypes
06da6943
DC
2758elif enabled clang; then
2759 check_cflags -Qunused-arguments
138132be
MR
2760elif enabled armcc; then
2761 # 2523: use of inline assembler is deprecated
2762 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2763 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2764elif enabled tms470; then
2765 add_cflags -pds=824 -pds=837
504a64b9
CEH
2766fi
2767
90be59ef 2768if enabled gprof; then
0f010b2f
DB
2769 add_cflags -p
2770 add_ldflags -p
1db54e20
DB
2771fi
2772
7483e694
DB
2773enabled_any $THREADS_LIST && enable threads
2774
2775check_deps $CONFIG_LIST \
b6bb00b0 2776 $CONFIG_EXTRA \
7483e694
DB
2777 $HAVE_LIST \
2778 $DECODER_LIST \
2779 $ENCODER_LIST \
5666fd73 2780 $HWACCEL_LIST \
7483e694
DB
2781 $PARSER_LIST \
2782 $BSF_LIST \
2783 $DEMUXER_LIST \
2784 $MUXER_LIST \
f7679c54 2785 $FILTER_LIST \
7483e694
DB
2786 $INDEV_LIST \
2787 $OUTDEV_LIST \
2788 $PROTOCOL_LIST \
f70f03f6 2789
3bfd582c 2790enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 2791
3e89171a 2792echo "install prefix $prefix"
f36958f8
DB
2793echo "source path $source_path"
2794echo "C compiler $cc"
f36958f8 2795echo "ARCH $arch ($cpu)"
ce8871c2
MR
2796if test "$build_suffix" != ""; then
2797 echo "build suffix $build_suffix"
eb94aca9 2798fi
ac63af34
DB
2799if test "$extra_version" != ""; then
2800 echo "version string suffix $extra_version"
2801fi
0db2ce77 2802echo "big-endian ${bigendian-no}"
e90f5b5a 2803echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2804if enabled x86; then
af44e8e4 2805 echo "yasm ${yasm-no}"
0db2ce77 2806 echo "MMX enabled ${mmx-no}"
30e98e62 2807 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2808 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2809 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2810 echo "SSE enabled ${sse-no}"
30e98e62 2811 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2812 echo "CMOV enabled ${cmov-no}"
2813 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2814 echo "EBX available ${ebx_available-no}"
2815 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2816 echo "10 operands supported ${ten_operands-no}"
e41e8342 2817fi
5b6c2cbd 2818if enabled arm; then
0db2ce77
MR
2819 echo "ARMv5TE enabled ${armv5te-no}"
2820 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2821 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2822 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2823 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2824 echo "NEON enabled ${neon-no}"
eba9ae3c 2825fi
5b6c2cbd 2826if enabled mips; then
0db2ce77 2827 echo "MMI enabled ${mmi-no}"
e41e8342 2828fi
5b6c2cbd 2829if enabled ppc; then
0db2ce77 2830 echo "AltiVec enabled ${altivec-no}"
30e98e62 2831 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2832 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2833 echo "performance report ${powerpc_perf-no}"
2834fi
2835if enabled sparc; then
2836 echo "VIS enabled ${vis-no}"
e41e8342 2837fi
0db2ce77
MR
2838echo "gprof enabled ${gprof-no}"
2839echo "debug symbols ${debug-no}"
87a0fb62 2840echo "strip symbols ${stripping-no}"
8400d6b8 2841echo "optimizations ${optimizations-no}"
0db2ce77
MR
2842echo "static ${static-no}"
2843echo "shared ${shared-no}"
4a24ab64 2844echo "postprocessing support ${postproc-no}"
f7679c54 2845echo "new filter support ${avfilter-no}"
81124ba0 2846echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2847echo "network support ${network-no}"
0db2ce77
MR
2848echo "threading support ${thread_type-no}"
2849echo "SDL support ${sdl-no}"
0db2ce77
MR
2850echo "Sun medialib support ${mlib-no}"
2851echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2852echo "libdc1394 support ${libdc1394-no}"
690bfceb 2853echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2854echo "libfaac enabled ${libfaac-no}"
2855echo "libfaad enabled ${libfaad-no}"
7e0871a7 2856echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2857echo "libgsm enabled ${libgsm-no}"
2858echo "libmp3lame enabled ${libmp3lame-no}"
2859echo "libnut enabled ${libnut-no}"
0b175caa
DB
2860echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2861echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2862echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2863echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2864echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2865echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2866echo "libtheora enabled ${libtheora-no}"
2867echo "libvorbis enabled ${libvorbis-no}"
8299a7f8 2868echo "libvpx enabled ${libvpx-no}"
d6bd62db
DB
2869echo "libx264 enabled ${libx264-no}"
2870echo "libxvid enabled ${libxvid-no}"
0db2ce77 2871echo "zlib enabled ${zlib-no}"
f402916e 2872echo "bzlib enabled ${bzlib-no}"
2c62e737 2873echo
de6d9b64 2874
5666fd73 2875for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2876 echo "Enabled ${type}s:"
f65c9da1 2877 eval list=\$$(toupper $type)_LIST
8138b9db 2878 for part in $list; do
f65c9da1
MR
2879 enabled $part && echo ${part%_*}
2880 done | sort | pr -3 -t
2881 echo
8138b9db
RP
2882done
2883
ba7a7039 2884license="LGPL version 2.1 or later"
ba321adb 2885if enabled nonfree; then
ba7a7039 2886 license="nonfree and unredistributable"
9cad0e4e
DB
2887elif enabled gplv3; then
2888 license="GPL version 3 or later"
2889elif enabled lgplv3; then
2890 license="LGPL version 3 or later"
ba321adb 2891elif enabled gpl; then
ba7a7039 2892 license="GPL version 2 or later"
ba321adb
JK
2893fi
2894
2895echo "License: $license"
ca5323af 2896
cf1392e9
DB
2897echo "Creating config.mak and config.h..."
2898
df642790
MR
2899# build tree in object directory if source path is different from current one
2900if enabled source_path_used; then
2901 DIRS="
2902 doc
2903 libavcodec
2904 libavcodec/$arch
2905 libavdevice
2906 libavfilter
2907 libavformat
2908 libavutil
2909 libavutil/$arch
2910 libpostproc
2911 libswscale
2912 libswscale/$arch
2913 tests
2914 tools
2915 "
2916 FILES="
2917 Makefile
2918 common.mak
2919 subdir.mak
2920 doc/texi2pod.pl
2921 libavcodec/Makefile
43f60eba 2922 libavcodec/${arch}/Makefile
df642790
MR
2923 libavdevice/Makefile
2924 libavfilter/Makefile
2925 libavformat/Makefile
2926 libavutil/Makefile
2927 libpostproc/Makefile
2928 libswscale/Makefile
2929 "
e0e335a0 2930 map 'mkdir -p $v' $DIRS;
43f60eba 2931 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2932fi
2933
ad212cc6
MR
2934enabled stripping || strip="echo skipping strip"
2935
173c983b
MR
2936cat > config.mak <<EOF
2937# Automatically generated by configure - do not modify!
2938ifndef FFMPEG_CONFIG_MAK
2939FFMPEG_CONFIG_MAK=1
2940FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2941prefix=$prefix
2942LIBDIR=\$(DESTDIR)$libdir
2943SHLIBDIR=\$(DESTDIR)$shlibdir
2944INCDIR=\$(DESTDIR)$incdir
2945BINDIR=\$(DESTDIR)$bindir
2946DATADIR=\$(DESTDIR)$datadir
2947MANDIR=\$(DESTDIR)$mandir
2948SRC_PATH="$source_path"
2949SRC_PATH_BARE=$source_path
2950BUILD_ROOT="$PWD"
2951ARCH=$arch
2952CC=$cc
2953AS=$as
2954LD=$ld
2955DEPCC=$dep_cc
2956YASM=$yasmexe
a4aea515 2957YASMDEP=$yasmexe
173c983b
MR
2958AR=$ar
2959RANLIB=$ranlib
4335125c 2960CP=cp -p
173c983b
MR
2961LN_S=$ln_s
2962STRIP=$strip
2963CPPFLAGS=$CPPFLAGS
2964CFLAGS=$CFLAGS
2965ASFLAGS=$ASFLAGS
2966CC_O=$CC_O
2967LDFLAGS=$LDFLAGS
2968FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2969SHFLAGS=$SHFLAGS
2970YASMFLAGS=$YASMFLAGS
2971BUILDSUF=$build_suffix
2972FULLNAME=$FULLNAME
2973LIBPREF=$LIBPREF
2974LIBSUF=$LIBSUF
2975LIBNAME=$LIBNAME
2976SLIBPREF=$SLIBPREF
2977SLIBSUF=$SLIBSUF
2978EXESUF=$EXESUF
2979EXTRA_VERSION=$extra_version
2980DEPFLAGS=$DEPFLAGS
2981CCDEP=$CCDEP
2982ASDEP=$ASDEP
2983CC_DEPFLAGS=$CC_DEPFLAGS
2984AS_DEPFLAGS=$AS_DEPFLAGS
2985HOSTCC=$host_cc
2986HOSTCFLAGS=$host_cflags
2987HOSTEXESUF=$HOSTEXESUF
2988HOSTLDFLAGS=$host_ldflags
2989HOSTLIBS=$host_libs
2990TARGET_EXEC=$target_exec
2991TARGET_PATH=$target_path
2992SDL_LIBS=$sdl_libs
2993SDL_CFLAGS=$sdl_cflags
2994LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2995EXTRALIBS=$extralibs
fd676deb 2996INSTALL=install
1afc4750
MR
2997LIBTARGET=${LIBTARGET}
2998SLIBNAME=${SLIBNAME}
2999SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3000SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3001SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3002SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3003SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3004SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 3005SAMPLES=$samples
173c983b 3006EOF
5a872801 3007
719c8e00
MR
3008get_version(){
3009 name=$1
3010 file=$source_path/$2
147e7692
MR
3011 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3012 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3013 lcname=$(tolower $name)
3014 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3015 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3016}
3017
147e7692
MR
3018get_version LIBSWSCALE libswscale/swscale.h
3019get_version LIBPOSTPROC libpostproc/postprocess.h
3020get_version LIBAVCODEC libavcodec/avcodec.h
3021get_version LIBAVDEVICE libavdevice/avdevice.h
3022get_version LIBAVFORMAT libavformat/avformat.h
3023get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3024get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3025
173c983b
MR
3026cat > $TMPH <<EOF
3027/* Automatically generated by configure - do not modify! */
3028#ifndef FFMPEG_CONFIG_H
3029#define FFMPEG_CONFIG_H
3030#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3031#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3032#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3033#define CC_TYPE "$cc_type"
3034#define CC_VERSION $cc_version
3035#define restrict $_restrict
42719e20 3036#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
173c983b
MR
3037#define EXTERN_PREFIX "${extern_prefix}"
3038#define EXTERN_ASM ${extern_prefix}
3039EOF
523ef551 3040
4ae40685
MR
3041test -n "$malloc_prefix" &&
3042 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3043
523ef551 3044if enabled small || disabled optimizations; then
9a894c48 3045 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3046 echo "#define av_always_inline" >> $TMPH
3047fi
3048
3d907e22
MR
3049print_config ARCH_ $TMPH config.mak $ARCH_LIST
3050print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3051print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3052 $CONFIG_EXTRA \
7483e694
DB
3053 $DECODER_LIST \
3054 $ENCODER_LIST \
5666fd73 3055 $HWACCEL_LIST \
7483e694
DB
3056 $PARSER_LIST \
3057 $BSF_LIST \
3058 $DEMUXER_LIST \
3059 $MUXER_LIST \
f7679c54 3060 $FILTER_LIST \
7483e694
DB
3061 $PROTOCOL_LIST \
3062 $INDEV_LIST \
3063 $OUTDEV_LIST \
8ac17293 3064
9c05103f 3065echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3066echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3067
b7860763 3068# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3069cp_if_changed $TMPH config.h
3d204385 3070
a3e02a8c
MR
3071cat > $TMPH <<EOF
3072/* Generated by ffconf */
3073#ifndef AVUTIL_AVCONFIG_H
3074#define AVUTIL_AVCONFIG_H
3075EOF
3076
3077print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3078
3079echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3080
3081cp_if_changed $TMPH libavutil/avconfig.h
3082
d0674868 3083# build pkg-config files
def4272a 3084
d0674868
DB
3085pkgconfig_generate(){
3086name=$1
b0dfd108 3087shortname=${name#lib}${build_suffix}
d0674868
DB
3088comment=$2
3089version=$3
3090libs=$4
3091requires=$5
25cd5cb3 3092cat <<EOF > $name/$name.pc
3e89171a 3093prefix=$prefix
a94e666c 3094exec_prefix=\${prefix}
f2b7382c 3095libdir=$libdir
7622778e 3096includedir=$incdir
def4272a 3097
d0674868
DB
3098Name: $name
3099Description: $comment
3100Version: $version
8cd6b388 3101Requires: $(enabled shared || echo $requires)
5dcfe9f8 3102Requires.private: $(enabled shared && echo $requires)
def4272a 3103Conflicts:
8cd6b388 3104Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3105Libs.private: $(enabled shared && echo $libs)
76a448ed 3106Cflags: -I\${includedir}
def4272a 3107EOF
25cd5cb3 3108cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3109prefix=
3110exec_prefix=
46d1ff83 3111libdir=\${pcfiledir}
1d44d365 3112includedir=${source_path}
def4272a 3113
d0674868
DB
3114Name: $name
3115Description: $comment
3116Version: $version
3117Requires: $requires
def4272a 3118Conflicts:
12701f6e 3119Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3120Cflags: -I\${includedir}
3121EOF
d0674868 3122}
def4272a 3123
e426941d 3124pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3125pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3126pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3127pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3128enabled avfilter &&
46983309 3129 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3130enabled postproc &&
e426941d 3131 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3132pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"