Fix breakage in compilation with --disable-mpegaudio-hp introduced in
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
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24E1="$?"
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 "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
74c53c2d 57show_help(){
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58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
19bd477d 64 --logfile=FILE log tests and output to FILE [config.log]
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65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
336ce917 85 --disable-ffprobe disable ffprobe build
06454877 86 --disable-ffserver disable ffserver build
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87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
06454877 91 --enable-postproc enable GPLed postprocessing support [no]
cccc039f 92 --disable-avfilter disable video filter support [no]
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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]
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172 --enable-libgsm enable GSM support via libgsm [no]
173 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
174 --enable-libnut enable NUT (de)muxing via libnut,
175 native (de)muxer exists [no]
176 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
0f943ce6 177 --enable-librtmp enable RTMP[E] support via librtmp [no]
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178 --enable-libschroedinger enable Dirac support via libschroedinger [no]
179 --enable-libspeex enable Speex decoding via libspeex [no]
180 --enable-libtheora enable Theora encoding via libtheora [no]
181 --enable-libvorbis enable Vorbis encoding via libvorbis,
182 native implementation exists [no]
8299a7f8 183 --enable-libvpx enable VP8 support via libvpx [no]
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184 --enable-libx264 enable H.264 encoding via x264 [no]
185 --enable-libxvid enable Xvid encoding via xvidcore,
186 native MPEG-4/Xvid encoder exists [no]
187 --enable-mlib enable Sun medialib [no]
188 --enable-zlib enable zlib [autodetect]
189
190Advanced options (experts only):
191 --source-path=PATH path to source code [$source_path]
192 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
193 --enable-cross-compile assume a cross-compiler is used
194 --sysroot=PATH root of cross-build tree
195 --sysinclude=PATH location of cross-build system headers
196 --target-os=OS compiler targets OS [$target_os]
197 --target-exec=CMD command to run executables on target
198 --target-path=DIR path to view of build directory on target
199 --nm=NM use nm tool
121d78d0 200 --ar=AR use archive tool AR [$ar_default]
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201 --as=AS use assembler AS [$as_default]
202 --cc=CC use C compiler CC [$cc_default]
203 --ld=LD use linker LD
204 --host-cc=HOSTCC use host C compiler HOSTCC
205 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
206 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
207 --host-libs=HLIBS use libs HLIBS when linking for host
208 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
209 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
210 --extra-libs=ELIBS add ELIBS [$ELIBS]
211 --extra-version=STRING version string suffix []
212 --build-suffix=SUFFIX library name suffix []
213 --arch=ARCH select architecture [$arch]
214 --cpu=CPU select the minimum required CPU (affects
215 instruction selection, may crash on older CPUs)
216 --enable-powerpc-perf enable performance report on PPC
217 (requires enabling PMC)
c8a4ae00 218 --disable-asm disable all assembler optimizations
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219 --disable-altivec disable AltiVec optimizations
220 --disable-amd3dnow disable 3DNow! optimizations
221 --disable-amd3dnowext disable 3DNow! extended optimizations
222 --disable-mmx disable MMX optimizations
223 --disable-mmx2 disable MMX2 optimizations
224 --disable-sse disable SSE optimizations
225 --disable-ssse3 disable SSSE3 optimizations
226 --disable-armv5te disable armv5te optimizations
227 --disable-armv6 disable armv6 optimizations
228 --disable-armv6t2 disable armv6t2 optimizations
229 --disable-armvfp disable ARM VFP optimizations
230 --disable-iwmmxt disable iwmmxt optimizations
231 --disable-mmi disable MMI optimizations
232 --disable-neon disable neon optimizations
233 --disable-vis disable VIS optimizations
234 --disable-yasm disable use of yasm assembler
235 --enable-pic build position-independent code
4ae40685 236 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 237 --enable-sram allow use of on-chip SRAM
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238
239Developer options (useful when working on FFmpeg itself):
240 --disable-debug disable debugging symbols
241 --enable-debug=LEVEL set the debug level [$debuglevel]
242 --enable-gprof enable profiling with gprof [$gprof]
243 --disable-optimizations disable compiler optimizations
244 --enable-extra-warnings enable more compiler warnings
245 --disable-stripping disable stripping of executables and shared libraries
2fad0977 246 --samples=PATH location of test samples for FATE
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247
248NOTE: Object files are built at the place where configure is launched.
249EOF
60e8bc13 250 exit 0
74c53c2d 251}
cf9d24ad 252
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253quotes='""'
254
57bd82d4 255log(){
2270b4b2 256 echo "$@" >> $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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MR
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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MR
386}
387
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388do_enable_deep(){
389 for var; do
390 enabled $var && continue
391 eval sel="\$${var}_select"
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392 eval sgs="\$${var}_suggest"
393 pushvar var sgs
f9d328da 394 enable_deep $sel
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395 popvar sgs
396 enable_deep_weak $sgs
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397 popvar var
398 done
399}
400
401enable_deep(){
402 do_enable_deep $*
403 enable $*
404}
405
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406enable_deep_weak(){
407 do_enable_deep $*
408 enable_weak $*
409}
410
57bd82d4 411enabled(){
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412 test "${1#!}" = "$1" && op== || op=!=
413 eval test "x\$${1#!}" $op "xyes"
44161118
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414}
415
37970ebf 416disabled(){
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MR
417 test "${1#!}" = "$1" && op== || op=!=
418 eval test "x\$${1#!}" $op "xno"
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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}
c9d19248
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449 done
450}
451
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452is_in(){
453 value=$1
454 shift
455 for var in $*; do
456 [ $var = $value ] && return 0
457 done
458 return 1
459}
460
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461check_deps(){
462 for cfg; do
3250003c 463 cfg="${cfg#!}"
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464 enabled ${cfg}_checking && die "Circular dependency for $cfg."
465 disabled ${cfg}_checking && continue
466 enable ${cfg}_checking
467
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468 eval dep_all="\$${cfg}_deps"
469 eval dep_any="\$${cfg}_deps_any"
7ef3425f 470 eval dep_sel="\$${cfg}_select"
c510c7b5 471 eval dep_sgs="\$${cfg}_suggest"
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472 eval dep_ifa="\$${cfg}_if"
473 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 474
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475 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
476 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
477 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 478
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479 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
480 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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481 enabled_all $dep_all || disable $cfg
482 enabled_any $dep_any || disable $cfg
7ef3425f 483 disabled_any $dep_sel && disable $cfg
799c9e9b 484
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485 if enabled $cfg; then
486 eval dep_extralibs="\$${cfg}_extralibs"
487 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 488 enable_deep $dep_sel
c510c7b5 489 enable_deep_weak $dep_sgs
4ec45764
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490 fi
491
799c9e9b 492 disable ${cfg}_checking
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493 done
494}
495
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496print_config(){
497 pfx=$1
498 header=$2
499 makefile=$3
500 shift 3
501 for cfg; do
5e622c40 502 ucname="$(toupper $cfg)"
44161118 503 if enabled $cfg; then
3d907e22 504 echo "#define ${pfx}${ucname} 1" >> $header
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505 echo "${pfx}${ucname}=yes" >> $makefile
506 else
b250f9c6 507 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 508 echo "!${pfx}${ucname}=yes" >> $makefile
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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 "$@")
50a334e4
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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 "$@" >> $logfile 2>&1
b0cfb663
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579}
580
dcd479c0 581check_cc(){
57bd82d4 582 log check_cc "$@"
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 $TMPC
dcd479c0
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593}
594
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595check_as(){
596 log check_as "$@"
597 cat > $TMPC
598 log_file $TMPC
2f2e6c7c 599 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
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600}
601
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602check_asm(){
603 log check_asm "$@"
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 915 libfaac
c88f5d72 916 libgsm
6ebe07fb 917 libmp3lame
c88f5d72 918 libnut
0b175caa
DB
919 libopencore_amrnb
920 libopencore_amrwb
9a77d59a 921 libopenjpeg
0f943ce6 922 librtmp
f7cd9eed 923 libschroedinger
ae14f311 924 libspeex
150d2772 925 libtheora
c88f5d72 926 libvorbis
8299a7f8 927 libvpx
1cc60c47
DB
928 libx264
929 libxvid
f4d608e3 930 lpc
b781cc12 931 lsp
47a158cb 932 mdct
c88f5d72 933 memalign_hack
a8150374 934 mlib
c88f5d72
MR
935 mpegaudio_hp
936 network
3fe142e2 937 nonfree
8a3c8627 938 pic
4a24ab64 939 postproc
2b4c3615 940 powerpc_perf
68602540 941 rdft
e90f5b5a 942 runtime_cpudetect
2e35e684 943 shared
bd2216e4 944 small
6b35d421 945 sram
2e35e684 946 static
5a0f7131 947 swscale
a9ddb5b1 948 swscale_alpha
17492d5e
DB
949 vaapi
950 vdpau
9cad0e4e 951 version3
56a059ac 952 x11grab
c88f5d72 953 zlib
4a0d6686 954"
c88f5d72 955
8eee7025
DB
956THREADS_LIST='
957 beosthreads
d22e8442 958 os2threads
8eee7025
DB
959 pthreads
960 w32threads
961'
962
3f5b56e5
MR
963ARCH_LIST='
964 alpha
a2fc0f6a 965 arm
fdcd782d
MR
966 avr32
967 avr32_ap
968 avr32_uc
3f5b56e5
MR
969 bfin
970 ia64
971 m68k
972 mips
bae3abb0 973 mips64
3f5b56e5 974 parisc
79cb09b2 975 ppc
34d11b87 976 ppc64
3f5b56e5
MR
977 s390
978 sh4
979 sparc
980 sparc64
0844bae1 981 tomi
3f5b56e5
MR
982 x86
983 x86_32
984 x86_64
985'
986
987ARCH_EXT_LIST='
1ac9331a 988 altivec
3bf96eec 989 amd3dnow
a1ef9f08 990 amd3dnowext
1ac9331a 991 armv5te
edab3048 992 armv6
ab5cb084 993 armv6t2
f55b299a 994 armvfp
3f5b56e5
MR
995 iwmmxt
996 mmi
997 mmx
d7f0920b 998 mmx2
6b18d278 999 neon
799fde37 1000 ppc4xx
1bb04d5a 1001 sse
9eeed841 1002 ssse3
bd9d34a0 1003 vis
3f5b56e5
MR
1004'
1005
a3e02a8c
MR
1006HAVE_LIST_PUB='
1007 bigendian
1008'
1009
3f5b56e5
MR
1010HAVE_LIST="
1011 $ARCH_EXT_LIST
a3e02a8c 1012 $HAVE_LIST_PUB
3f5b56e5 1013 $THREADS_LIST
35fd8122 1014 alsa_asoundlib_h
3f5b56e5 1015 altivec_h
c9fdab0d 1016 arpa_inet_h
dffb41b9 1017 attribute_may_alias
e7ea5e3d 1018 attribute_packed
6bd859d6 1019 bswap
ecf97f22 1020 closesocket
1ac9331a 1021 cmov
e16e49ac 1022 conio_h
c88f5d72 1023 dcbzl
f8aa696f
DB
1024 dev_bktr_ioctl_bt848_h
1025 dev_bktr_ioctl_meteor_h
1026 dev_ic_bt8xx_h
1027 dev_video_meteor_ioctl_meteor_h
1028 dev_video_bktr_ioctl_bt848_h
18b67ae5 1029 dlfcn_h
c88f5d72 1030 dlopen
bc574408 1031 dos_paths
245626d0
DB
1032 ebp_available
1033 ebx_available
6b7c7703
VS
1034 exp2
1035 exp2f
c2a29455 1036 fast_64bit
669b5583 1037 fast_clz
7073e9fc 1038 fast_cmov
7b829d2a 1039 fast_unaligned
9d99cc5a 1040 fork
84882df6 1041 getaddrinfo
da9e86f8 1042 gethrtime
fc5607f8 1043 GetProcessMemoryInfo
4e68cb8a 1044 GetProcessTimes
66be5b45 1045 getrusage
fc5607f8 1046 struct_rusage_ru_maxrss
2e1913b1 1047 inet_aton
61d251db 1048 inline_asm
abfc8d05 1049 isatty
9f5ff83f 1050 ldbrx
0b4a1821
AS
1051 libdc1394_1
1052 libdc1394_2
a33cab3a 1053 llrint
07876e25 1054 llrintf
d96cd429
MR
1055 local_aligned_16
1056 local_aligned_8
291fd18a 1057 log2
6b7c7703 1058 log2f
85dd97ad 1059 loongson
a33cab3a 1060 lrint
c88f5d72 1061 lrintf
e4673692 1062 lzo1x_999_compress
f8aa696f
DB
1063 machine_ioctl_bt848_h
1064 machine_ioctl_meteor_h
c88f5d72
MR
1065 malloc_h
1066 memalign
6ffa87d3 1067 mkstemp
b4e806b2 1068 pld
1f91cdce 1069 posix_memalign
a33cab3a
MK
1070 round
1071 roundf
c88f5d72
MR
1072 sdl
1073 sdl_video_size
b507ebd1 1074 setmode
72be9e73 1075 socklen_t
deb29777 1076 soundcard_h
f8cda19e 1077 poll_h
0104b608 1078 setrlimit
87958234 1079 strerror_r
c0018613 1080 struct_addrinfo
b4d68544
MS
1081 struct_ipv6_mreq
1082 struct_sockaddr_in6
3b2372bf 1083 struct_sockaddr_sa_len
33a4dbdd 1084 struct_sockaddr_storage
b462d132
MR
1085 symver
1086 symver_gnu_asm
1087 symver_asm_label
b58412f1 1088 sys_mman_h
b091aa44 1089 sys_resource_h
81644c2e 1090 sys_select_h
deb29777 1091 sys_soundcard_h
1b6e8b73 1092 sys_videoio_h
d3a4b4e0 1093 ten_operands
e16e49ac 1094 termios_h
b265431e 1095 threads
7b04b8a0 1096 truncf
ce742de2 1097 vfp_args
7c5bfe7a 1098 VirtualAlloc
6ff3f3e7 1099 winsock2_h
cc078b5d 1100 xform_asm
304d586d 1101 yasm
0cb78cef 1102"
44161118 1103
b6bb00b0
MR
1104# options emitted with CONFIG_ prefix but not available on command line
1105CONFIG_EXTRA="
dc4f5a1c 1106 avutil
9cad0e4e
DB
1107 gplv3
1108 lgplv3
b6bb00b0
MR
1109"
1110
520cc7f1 1111CMDLINE_SELECT="
3f5b56e5 1112 $ARCH_EXT_LIST
520cc7f1 1113 $CONFIG_LIST
8eee7025 1114 $THREADS_LIST
c8a4ae00 1115 asm
db6107b6 1116 cross_compile
520cc7f1
MR
1117 debug
1118 extra_warnings
8c6afa4d 1119 logging
d2bbb2f7 1120 optimizations
87a0fb62 1121 stripping
7595a5e4 1122 yasm
520cc7f1 1123"
426be5dc
DB
1124
1125PATHS_LIST='
d156bede 1126 bindir
14a8acf1 1127 datadir
26759c44
MR
1128 incdir
1129 libdir
26759c44
MR
1130 mandir
1131 prefix
1132 shlibdir
426be5dc
DB
1133'
1134
1135CMDLINE_SET="
1136 $PATHS_LIST
121d78d0 1137 ar
426be5dc 1138 arch
313c46a6 1139 as
426be5dc
DB
1140 build_suffix
1141 cc
1142 cpu
1143 cross_prefix
50567afa 1144 dep_cc
ac63af34 1145 extra_version
9da6609f
MR
1146 host_cc
1147 host_cflags
1148 host_ldflags
1149 host_libs
82bb3329 1150 host_os
684b28e0 1151 ld
426be5dc 1152 logfile
4ae40685 1153 malloc_prefix
89641463 1154 nm
2fad0977 1155 samples
26759c44 1156 source_path
4f837398 1157 strip
c5200f17
MR
1158 sysinclude
1159 sysroot
a7ada2ba 1160 target_exec
26759c44 1161 target_os
a7ada2ba 1162 target_path
426be5dc 1163"
520cc7f1 1164
89f2932b
MR
1165CMDLINE_APPEND="
1166 extra_cflags
1167"
1168
912f3148
DB
1169# code dependency declarations
1170
9eeed841 1171# architecture extensions
808fa33c 1172
a2fc0f6a
MR
1173armv5te_deps="arm"
1174armv6_deps="arm"
ab5cb084 1175armv6t2_deps="arm"
a2fc0f6a
MR
1176armvfp_deps="arm"
1177iwmmxt_deps="arm"
808fa33c
MR
1178neon_deps="arm"
1179
e241ba14 1180mmi_deps="mips"
808fa33c
MR
1181
1182altivec_deps="ppc"
1183ppc4xx_deps="ppc"
1184
1185vis_deps="sparc"
1186
7f8c3d1f 1187x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1188amd3dnow_deps="mmx"
1189amd3dnowext_deps="amd3dnow"
9eeed841 1190mmx_deps="x86"
75aa95a6 1191mmx2_deps="mmx"
75aa95a6
DB
1192sse_deps="mmx"
1193ssse3_deps="sse"
9eeed841 1194
e939cedd 1195fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1196fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1197fast_unaligned_if_any="armv6 ppc x86"
669b5583 1198
89e053f8 1199need_memalign="altivec neon sse"
6fec122a 1200inline_asm_deps="!tms470"
89e053f8 1201
b462d132
MR
1202symver_if_any="symver_asm_label symver_gnu_asm"
1203
26fbcc85
MR
1204# subsystems
1205mdct_select="fft"
1206rdft_select="fft"
1207
5666fd73 1208# decoders / encoders / hardware accelerators
49351479 1209aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1210aac_encoder_select="mdct"
1211ac3_decoder_select="mdct ac3_parser"
f4d608e3 1212alac_encoder_select="lpc"
b781cc12 1213amrnb_decoder_select="lsp"
084cbbaa 1214atrac1_decoder_select="mdct"
26fbcc85
MR
1215atrac3_decoder_select="mdct"
1216binkaudio_dct_decoder_select="mdct rdft dct"
1217binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1218cavs_decoder_select="golomb"
26fbcc85 1219cook_decoder_select="mdct"
2eef7c62 1220cscd_decoder_suggest="zlib"
26fbcc85 1221dca_decoder_select="mdct"
e8ed9b7a 1222dnxhd_encoder_select="aandct"
2eef7c62 1223dxa_decoder_select="zlib"
baf91bb9 1224eac3_decoder_select="ac3_decoder"
84c04e25 1225eamad_decoder_select="aandct"
e8ed9b7a 1226eatgq_decoder_select="aandct"
d52b39c7 1227eatqi_decoder_select="aandct"
4f034993
MR
1228ffv1_decoder_select="golomb"
1229flac_decoder_select="golomb"
f4d608e3 1230flac_encoder_select="golomb lpc"
2eef7c62
AJ
1231flashsv_decoder_select="zlib"
1232flashsv_encoder_select="zlib"
4414137e 1233flv_decoder_select="h263_decoder"
4d4b4bd1 1234flv_encoder_select="h263_encoder"
e8ed9b7a 1235h261_encoder_select="aandct"
7f647ae0 1236h263_decoder_select="h263_parser"
e8ed9b7a 1237h263_encoder_select="aandct"
95a61cfc 1238h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1239h263i_decoder_select="h263_decoder"
fe629c2d 1240h263p_encoder_select="h263_encoder"
4693b031 1241h264_decoder_select="golomb h264dsp"
92c6a099
LA
1242h264_dxva2_hwaccel_deps="dxva2api_h"
1243h264_dxva2_hwaccel_select="dxva2 h264_decoder"
17492d5e 1244h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1245h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1246imc_decoder_select="fft mdct"
4f034993
MR
1247jpegls_decoder_select="golomb"
1248jpegls_encoder_select="golomb"
e8ed9b7a 1249ljpeg_encoder_select="aandct"
4f034993 1250loco_decoder_select="golomb"
e8ed9b7a 1251mjpeg_encoder_select="aandct"
2cca233b 1252mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1253mpeg1video_encoder_select="aandct"
1254mpeg2video_encoder_select="aandct"
4414137e 1255mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1256mpeg4_encoder_select="h263_encoder"
95a61cfc 1257mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1258mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
164aab02
LA
1259mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1260mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1261mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
95a61cfc 1262mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1263mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1264mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1265mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1266msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1267msmpeg4v1_encoder_select="h263_encoder"
4414137e 1268msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1269msmpeg4v2_encoder_select="h263_encoder"
4414137e 1270msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1271msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1272nellymoser_decoder_select="mdct"
1273nellymoser_encoder_select="mdct"
2eef7c62
AJ
1274png_decoder_select="zlib"
1275png_encoder_select="zlib"
b781cc12 1276qcelp_decoder_select="lsp"
26fbcc85 1277qdm2_decoder_select="mdct rdft"
d31ba231 1278real_144_encoder_select="lpc"
a8beb22f 1279rv10_decoder_select="h263_decoder"
b2bf38b4 1280rv10_encoder_select="h263_encoder"
a8beb22f 1281rv20_decoder_select="h263_decoder"
b2bf38b4 1282rv20_encoder_select="h263_encoder"
4693b031
MR
1283rv30_decoder_select="golomb h264dsp"
1284rv40_decoder_select="golomb h264dsp"
4f034993 1285shorten_decoder_select="golomb"
b781cc12 1286sipr_decoder_select="lsp"
05aec7bb
MR
1287snow_decoder_select="dwt"
1288snow_encoder_select="aandct dwt"
4f034993
MR
1289sonic_decoder_select="golomb"
1290sonic_encoder_select="golomb"
1291sonic_ls_encoder_select="golomb"
19ecfb8a 1292svq1_encoder_select="aandct"
4693b031 1293svq3_decoder_select="golomb h264dsp"
bee2eac5 1294svq3_decoder_suggest="zlib"
4eef77c1 1295theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1296tiff_decoder_suggest="zlib"
1297tiff_encoder_suggest="zlib"
aec09a00 1298truehd_decoder_select="mlp_decoder"
2eef7c62 1299tscc_decoder_select="zlib"
b781cc12 1300twinvq_decoder_select="mdct lsp"
f95bfab0 1301vc1_decoder_select="h263_decoder"
9104cd51 1302vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1303vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1304vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1305vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1306vorbis_decoder_select="mdct"
1307vorbis_encoder_select="mdct"
e82dc4c9
DB
1308vp6a_decoder_select="vp6_decoder"
1309vp6f_decoder_select="vp6_decoder"
084cbbaa 1310wmapro_decoder_select="mdct"
26fbcc85
MR
1311wmav1_decoder_select="mdct"
1312wmav1_encoder_select="mdct"
1313wmav2_decoder_select="mdct"
1314wmav2_encoder_select="mdct"
005ad8a0 1315wmavoice_decoder_select="lsp rdft dct"
f95bfab0 1316wmv1_decoder_select="h263_decoder"
665507aa 1317wmv1_encoder_select="h263_encoder"
f95bfab0 1318wmv2_decoder_select="h263_decoder"
1746e2a9 1319wmv2_encoder_select="h263_encoder"
015f8ee0 1320wmv3_decoder_select="vc1_decoder"
f0f86627 1321wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1322wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1323wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1324zlib_decoder_select="zlib"
1325zlib_encoder_select="zlib"
1326zmbv_decoder_select="zlib"
1327zmbv_encoder_select="zlib"
30fd06be 1328
0afab17e 1329vaapi_deps="va_va_h"
c89c96e9
MR
1330vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1331
28b80940 1332# parsers
4693b031 1333h264_parser_select="golomb h264dsp"
28b80940 1334
f1e94694
DB
1335# bitstream_filters
1336aac_adtstoasc_bsf_select="aac_parser"
1337
912f3148 1338# external libraries
1b71f045 1339libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1340libdirac_encoder_deps="libdirac"
c9171a83 1341libfaac_encoder_deps="libfaac"
299c77d5
MR
1342libgsm_decoder_deps="libgsm"
1343libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1344libgsm_ms_decoder_deps="libgsm"
1345libgsm_ms_encoder_deps="libgsm"
1cc60c47 1346libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1347libopencore_amrnb_decoder_deps="libopencore_amrnb"
1348libopencore_amrnb_encoder_deps="libopencore_amrnb"
1349libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1350libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1351libschroedinger_decoder_deps="libschroedinger"
1352libschroedinger_encoder_deps="libschroedinger"
ae14f311 1353libspeex_decoder_deps="libspeex"
150d2772 1354libtheora_encoder_deps="libtheora"
b0caf888 1355libvorbis_encoder_deps="libvorbis"
8299a7f8 1356libvpx_decoder_deps="libvpx"
ee0e9146 1357libvpx_encoder_deps="libvpx"
1cc60c47
DB
1358libx264_encoder_deps="libx264"
1359libxvid_encoder_deps="libxvid"
30fd06be 1360
912f3148 1361# demuxers / muxers
03a76ba9 1362ac3_demuxer_deps="ac3_parser"
647c2356 1363asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1364avisynth_demuxer_deps="avisynth"
1365dirac_demuxer_deps="dirac_parser"
5b423887 1366eac3_demuxer_select="ac3_parser"
647c2356 1367ipod_muxer_select="mov_muxer"
4e622dea
SS
1368libnut_demuxer_deps="libnut"
1369libnut_muxer_deps="libnut"
647c2356 1370matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1371matroska_demuxer_suggest="zlib bzlib"
1372mov_demuxer_suggest="zlib"
1373mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1374mp4_muxer_select="mov_muxer"
1375mpegtsraw_demuxer_select="mpegts_demuxer"
1376mxf_d10_muxer_select="mxf_muxer"
24ca518b 1377ogg_demuxer_select="golomb"
647c2356 1378psp_muxer_select="mov_muxer"
4e622dea 1379rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1380rtsp_muxer_deps="sdp_demuxer"
1381rtsp_muxer_select="rtp_muxer"
4e622dea 1382sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1383sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1384spdif_muxer_select="aac_parser"
647c2356
DB
1385tg2_muxer_select="mov_muxer"
1386tgp_muxer_select="mov_muxer"
6bdaa5f4 1387w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1388
1389# indevs / outdevs
38e54a75
SS
1390alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1391alsa_indev_extralibs="-lasound"
1392alsa_outdev_deps="alsa_asoundlib_h"
1393alsa_outdev_extralibs="-lasound"
38e54a75 1394bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1395dv1394_indev_deps="dv1394 dv_demuxer"
1396jack_indev_deps="jack_jack_h"
1397jack_indev_extralibs="-ljack"
1398libdc1394_indev_deps="libdc1394"
38e54a75
SS
1399oss_indev_deps_any="soundcard_h sys_soundcard_h"
1400oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1401v4l_indev_deps="linux_videodev_h"
1402v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1403vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1404vfwcap_indev_extralibs="-lavicap32"
38e54a75 1405x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1406x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1407
912f3148 1408# protocols
3fff6382 1409gopher_protocol_deps="network"
c08fb000 1410http_protocol_deps="network"
279a0c97 1411http_protocol_select="tcp_protocol"
b4cf3f6c 1412mmst_protocol_deps="network"
deeb7012
MS
1413rtmp_protocol_select="tcp_protocol"
1414rtp_protocol_select="udp_protocol"
c08fb000
AB
1415tcp_protocol_deps="network"
1416udp_protocol_deps="network"
1417
f7679c54 1418# filters
81124ba0 1419movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1420avfilter_lavf_deps="avformat"
1421
1422# libraries
1423avdevice_deps="avcodec avformat"
1424avformat_deps="avcodec"
f7679c54 1425
912f3148 1426# programs
5a0f7131 1427ffmpeg_deps="avcodec avformat swscale"
21ae6790 1428ffmpeg_select="buffer_filter"
5a0f7131 1429ffplay_deps="avcodec avformat swscale sdl"
43689902 1430ffplay_select="rdft"
336ce917 1431ffprobe_deps="avcodec avformat"
5a0f7131 1432ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1433ffserver_extralibs='$ldl'
a2830dca 1434
c73f65d9 1435doc_deps="texi2html"
912f3148 1436
de6d9b64 1437# default parameters
8a608357 1438
19bd477d 1439logfile="config.log"
8a608357
MR
1440
1441# installation paths
c9d19248
MR
1442prefix_default="/usr/local"
1443bindir_default='${prefix}/bin'
14a8acf1 1444datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1445incdir_default='${prefix}/include'
1446libdir_default='${prefix}/lib'
1447mandir_default='${prefix}/share/man'
1448shlibdir_default="$libdir_default"
8a608357
MR
1449
1450# toolchain
121d78d0 1451ar_default="ar"
13c7df3d 1452cc_default="gcc"
a3d7c197 1453cc_version=\"unknown\"
9da6609f 1454host_cc_default="gcc"
11e6d03a 1455ln_s="ln -sf"
89641463 1456nm_default="nm"
11e6d03a 1457objformat="elf"
be7109c1 1458ranlib="ranlib"
4f837398 1459strip_default="strip"
11e6d03a 1460yasmexe="yasm"
8a608357 1461
8182dc34
MR
1462nm_opts='-g'
1463
8a608357 1464# machine
8d4c00ed 1465arch_default=$(uname -m)
38d0a8aa 1466cpu="generic"
8a608357 1467
8a608357 1468# OS
8d4c00ed
MR
1469target_os_default=$(tolower $(uname -s))
1470host_os=$target_os_default
8a608357 1471
8a608357 1472# configurable options
5a0f7131
MR
1473enable avcodec
1474enable avdevice
cccc039f 1475enable avfilter
5a0f7131 1476enable avformat
dc4f5a1c 1477enable avutil
c8a4ae00 1478enable asm
497237c7 1479enable debug
c73f65d9 1480enable doc
aa033b1e 1481enable fastdiv
497237c7
RP
1482enable ffmpeg
1483enable ffplay
336ce917 1484enable ffprobe
497237c7 1485enable ffserver
497237c7
RP
1486enable mpegaudio_hp
1487enable network
8400d6b8 1488enable optimizations
497237c7 1489enable protocols
530dc538 1490enable static
87a0fb62 1491enable stripping
5a0f7131 1492enable swscale
a9ddb5b1 1493enable swscale_alpha
8a608357 1494
8a608357 1495# build settings
9987769a 1496SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1497FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1498LIBPREF="lib"
1499LIBSUF=".a"
c5f14466
RP
1500FULLNAME='$(NAME)$(BUILDSUF)'
1501LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1502SLIBPREF="lib"
1503SLIBSUF=".so"
c5f14466 1504SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1505SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1506SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1507LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1508
7e6c86e6
MR
1509CC_O='-o $@'
1510
f0125de9 1511host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1512host_libs='-lm'
1513
9b861379 1514target_path='$(CURDIR)'
a7ada2ba 1515
0d7dca36
DB
1516# gcc stupidly only outputs the basename of targets with -MM, but we need the
1517# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1518DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1519DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1520
c597172e 1521# find source path
5e622c40 1522source_path="$(dirname "$0")"
497237c7 1523enable source_path_used
24524f36 1524if test -f configure; then
5e622c40 1525 source_path="$(pwd)"
497237c7 1526 disable source_path_used
c597172e 1527else
5e622c40 1528 source_path="$(cd "$source_path"; pwd)"
c597172e 1529 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1530 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1531 test -e "$source_path/config.h" &&
1532 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1533fi
1534
13cbe2c0 1535for v in "$@"; do
b04251c5
MR
1536 r=${v#*=}
1537 l=${v%"$r"}
1538 r=$(sh_quote "$r")
13cbe2c0
MR
1539 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1540done
c597172e 1541
73ef8980
MR
1542find_things(){
1543 thing=$1
1544 pattern=$2
1545 file=$source_path/$3
932ccf39 1546 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1547}
1548
1549ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1550DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1551HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1552PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1553BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1554MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1555DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1556OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1557INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1558PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1559FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1560
8469ae22
MR
1561for n in $COMPONENT_LIST; do
1562 v=$(toupper ${n%s})_LIST
1563 eval enable \$$v
1564 eval ${n}_if_any="\$$v"
1565done
1566
1567enable $ARCH_EXT_LIST
c597172e
MR
1568
1569die_unknown(){
1570 echo "Unknown option \"$1\"."
1571 echo "See $0 --help for available options."
1572 exit 1
1573}
1574
794f8e97 1575show_list() {
bf0c4afa
RP
1576 suffix=_$1
1577 shift
2b444ea7 1578 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1579 exit 0
1580}
1581
c597172e 1582for opt do
7483e694
DB
1583 optval="${opt#*=}"
1584 case "$opt" in
0f010b2f 1585 --extra-ldflags=*) add_ldflags $optval
7483e694 1586 ;;
0f010b2f 1587 --extra-libs=*) add_extralibs $optval
7483e694 1588 ;;
8fb1cb58 1589 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1590 ;;
40bcf4c7
BL
1591 --enable-debug=*) debuglevel="$optval"
1592 ;;
36e2dea0 1593 --disable-everything)
e0e335a0 1594 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1595 ;;
7483e694 1596 --enable-*=*|--disable-*=*)
8b93ddc3 1597 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1598 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1599 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1600 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1601 $action $(filter "$name" $list)
7483e694
DB
1602 ;;
1603 --enable-?*|--disable-?*)
5e622c40 1604 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1605 if is_in $option $COMPONENT_LIST; then
fed5d54b 1606 test $action = disable && action=unset
e3773a55
MR
1607 eval $action \$$(toupper ${option%s})_LIST
1608 elif is_in $option $CMDLINE_SELECT; then
1609 $action $option
1610 else
1611 die_unknown $opt
1612 fi
7483e694
DB
1613 ;;
1614 --list-*)
1615 NAME="${opt#--list-}"
1616 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1617 NAME=${NAME%s}
1618 eval show_list $NAME \$$(toupper $NAME)_LIST
1619 ;;
1620 --help|-h) show_help
1621 ;;
1622 *)
884a36a7 1623 optname="${opt%%=*}"
26759c44
MR
1624 optname="${optname#--}"
1625 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1626 if is_in $optname $CMDLINE_SET; then
1627 eval $optname='$optval'
1628 elif is_in $optname $CMDLINE_APPEND; then
1629 append $optname "$optval"
1630 else
1631 die_unknown $opt
1632 fi
7483e694
DB
1633 ;;
1634 esac
c597172e
MR
1635done
1636
bcea99bb
MR
1637disabled logging && logfile=/dev/null
1638
13cbe2c0 1639echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1640set >> $logfile
1641
9da6609f
MR
1642test -n "$cross_prefix" && enable cross_compile
1643
8d4c00ed
MR
1644if enabled cross_compile; then
1645 test -n "$arch" && test -n "$target_os" ||
1646 die "Must specify target arch and OS when cross-compiling"
1647fi
1648
1649set_default arch target_os
1650
121d78d0 1651ar_default="${cross_prefix}${ar_default}"
11e6d03a 1652cc_default="${cross_prefix}${cc_default}"
20e0ed95 1653nm_default="${cross_prefix}${nm_default}"
adb2b908 1654ranlib="${cross_prefix}${ranlib}"
4f837398 1655strip_default="${cross_prefix}${strip_default}"
adb2b908 1656
c5200f17
MR
1657sysinclude_default="${sysroot}/usr/include"
1658
4f837398 1659set_default cc nm strip sysinclude
9da6609f
MR
1660enabled cross_compile || host_cc_default=$cc
1661set_default host_cc
13c7df3d 1662
82bb3329
MR
1663exesuf() {
1664 case $1 in
1665 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1666 esac
1667}
1668
1669EXESUF=$(exesuf $target_os)
1670HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1671
e4e69e0b 1672# set temporary file name
a49d42c2 1673: ${TMPDIR:=$TEMPDIR}
c51fafa1 1674: ${TMPDIR:=$TMP}
a49d42c2 1675: ${TMPDIR:=/tmp}
e4e69e0b 1676
54460a83
MR
1677if ! check_cmd type mktemp; then
1678 # simple replacement for missing mktemp
1679 # NOT SAFE FOR GENERAL USE
1680 mktemp(){
1681 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1682 }
1683fi
1684
1685tmpfile(){
1686 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1687 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1688 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1689 append TMPFILES $tmp
1690 eval $1=$tmp
1691}
1692
1693trap 'rm -f -- $TMPFILES' EXIT
1694trap exit HUP INT TERM
1695
1696tmpfile TMPC .c
1697tmpfile TMPE $EXESUF
1698tmpfile TMPH .h
1699tmpfile TMPO .o
1700tmpfile TMPS .S
a482e61b 1701tmpfile TMPV .ver
54460a83
MR
1702tmpfile TMPSH .sh
1703
1704unset -f mktemp
e4e69e0b 1705
993f2d0f
MR
1706# make sure we can execute files in $TMPDIR
1707cat > $TMPSH 2>> $logfile <<EOF
1708#! /bin/sh
1709EOF
1710chmod +x $TMPSH >> $logfile 2>&1
1711if ! $TMPSH >> $logfile 2>&1; then
1712 cat <<EOF
1713Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1714variable to another directory and make sure that it is not mounted noexec.
1715EOF
1716 die "Sanity test failed."
1717fi
993f2d0f 1718
19b4c628
MR
1719filter_cflags=echo
1720filter_cppflags=echo
1721filter_asflags=echo
1722
8f0c157a 1723if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1724 cc_type=gcc
a3d7c197 1725 cc_version=__VERSION__
aef6bd1b
MR
1726 if ! $cc -dumpversion | grep -q '^2\.'; then
1727 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1728 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1729 fi
14ca9cd0
MR
1730 speed_cflags='-O3'
1731 size_cflags='-Os'
629687f6
MR
1732elif $cc --version 2>/dev/null | grep -q Intel; then
1733 cc_type=icc
6e3fa35d 1734 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1735 CC_DEPFLAGS='-MMD'
1736 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1737 speed_cflags='-O3'
1738 size_cflags='-Os'
b05394a0 1739 noopt_cflags='-O1'
629687f6
MR
1740elif $cc -v 2>&1 | grep -q xlc; then
1741 cc_type=xlc
6e3fa35d 1742 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1743 speed_cflags='-O5'
1744 size_cflags='-O5 -qcompact'
df442a8d
MR
1745elif $cc -V 2>/dev/null | grep -q Compaq; then
1746 cc_type=ccc
6e3fa35d 1747 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1748 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1749 debuglevel=3
df442a8d 1750 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1751 speed_cflags='-fast'
1752 size_cflags='-O1'
6a0d5493 1753elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1754 test -d "$sysroot" || die "No valid sysroot specified."
1755 cc_type=armcc
6e3fa35d 1756 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1757 armcc_conf="$PWD/armcc.conf"
1758 $cc --arm_linux_configure \
1759 --arm_linux_config_file="$armcc_conf" \
1760 --configure_sysroot="$sysroot" \
1761 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1762 die "Error creating armcc configuration file."
1763 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1764 as_default="${cross_prefix}gcc"
07dec06e
MR
1765 CC_DEPFLAGS='-MMD'
1766 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1767 speed_cflags='-O3'
1768 size_cflags='-Os'
6fec122a
MR
1769elif $cc -version 2>/dev/null | grep -q TMS470; then
1770 cc_type=tms470
6e3fa35d 1771 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1772 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1773 CC_O='-fr=$(@D)'
1774 as_default="${cross_prefix}gcc"
1775 ld_default="${cross_prefix}gcc"
6fec122a
MR
1776 TMPO=$(basename $TMPC .c).o
1777 append TMPFILES $TMPO
1778 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1779 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1780 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1781 speed_cflags='-O3 -mf=5'
1782 size_cflags='-O3 -mf=2'
6fec122a
MR
1783 filter_cflags=tms470_flags
1784 tms470_flags(){
1785 for flag; do
1786 case $flag in
1787 -march=*|-mcpu=*)
1788 case "${flag#*=}" in
1789 armv7-a|cortex-a*) echo -mv=7a8 ;;
1790 armv7-r|cortex-r*) echo -mv=7r4 ;;
1791 armv7-m|cortex-m*) echo -mv=7m3 ;;
1792 armv6*|arm11*) echo -mv=6 ;;
1793 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1794 echo -mv=5e ;;
1795 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1796 esac
1797 ;;
1798 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1799 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1800 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1801 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1802 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1803 -g) echo -g -mn ;;
587d24ff 1804 -pds=*) echo $flag ;;
6fec122a
MR
1805 esac
1806 done
1807 }
06da6943
DC
1808elif $cc -v 2>&1 | grep -q clang; then
1809 cc_type=clang
1810 cc_version=__VERSION__
1811 CC_DEPFLAGS='-MMD'
1812 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1813 speed_cflags='-O3'
1814 size_cflags='-Os'
2a472e9c
MK
1815elif $cc -V 2>&1 | grep -q Sun; then
1816 cc_type=suncc
1817 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1818 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1819 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1820 speed_cflags='-O5'
1821 size_cflags='-O5 -xspace'
03279bbe
MK
1822 filter_cflags=suncc_flags
1823 suncc_flags(){
1824 for flag; do
1825 case $flag in
1826 -march=*|-mcpu=*)
1827 case "${flag#*=}" in
1828 native) echo -xtarget=native ;;
87ddc38b 1829 v9|niagara) echo -xarch=sparc ;;
03279bbe 1830 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 1831 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
1832 i586|pentium) echo -xchip=pentium ;;
1833 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1834 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1835 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1836 pentium4*) echo -xtarget=pentium4 ;;
1837 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1838 *-sse3) echo -xarch=sse3 ;;
1839 core2) echo -xarch=ssse3 -xchip=core2 ;;
1840 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1841 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1842 k8|opteron|athlon64|athlon-fx)
1843 echo -xarch=sse2a ;;
1844 athlon*) echo -xarch=pentium_proa ;;
1845 esac
1846 ;;
1847 -std=c99) echo -xc99 ;;
1848 -fomit-frame-pointer) echo -xregs=frameptr ;;
1849 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1850 -W*,*) echo $flag ;;
1851 -f*-*|-W*) ;;
1852 *) echo $flag ;;
1853 esac
1854 done
1855 }
629687f6
MR
1856fi
1857
1858test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1859
75bafbac 1860: ${as_default:=$cc}
50567afa 1861: ${dep_cc_default:=$cc}
684b28e0 1862: ${ld_default:=$cc}
121d78d0 1863set_default ar as dep_cc ld
75800dce 1864
07dec06e
MR
1865test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1866test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1867
7f32f40c 1868add_cflags $extra_cflags
2f2e6c7c 1869add_asflags $extra_cflags
7f32f40c 1870
154d432c
MR
1871if test -n "$sysroot"; then
1872 case "$cc_type" in
1873 gcc)
467256f2 1874 add_cppflags --sysroot="$sysroot"
154d432c
MR
1875 add_ldflags --sysroot="$sysroot"
1876 ;;
6fec122a
MR
1877 tms470)
1878 add_cppflags -I"$sysinclude"
1879 add_ldflags --sysroot="$sysroot"
1880 ;;
06da6943 1881 clang)
4def700e
DC
1882 add_cppflags -isysroot "$sysroot"
1883 add_ldflags -isysroot "$sysroot"
06da6943 1884 ;;
154d432c
MR
1885 esac
1886fi
1887
d22c13a8
MR
1888if test "$cpu" = host; then
1889 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1890
1891 case "$cc_type" in
1892 gcc)
1893 check_native(){
1894 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1895 sed -n "/$1=/{
1896 s/.*$1=\\([^ ]*\\).*/\\1/
1897 p
1898 q
1899 }" $TMPE
d22c13a8
MR
1900 }
1901 cpu=$(check_native -march || check_native -mcpu)
1902 ;;
1903 esac
1904
1905 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1906fi
1907
e939cedd
MR
1908# Deal with common $arch aliases
1909case "$arch" in
1910 arm*)
1911 arch="arm"
1912 ;;
1913 mips|mipsel|IP*)
1914 arch="mips"
1915 ;;
47b1860e 1916 mips64*)
e939cedd
MR
1917 arch="mips"
1918 subarch="mips64"
1919 ;;
1920 parisc|hppa)
1921 arch="parisc"
1922 ;;
1923 parisc64|hppa64)
1924 arch="parisc"
1925 subarch="parisc64"
1926 ;;
1927 "Power Macintosh"|ppc|powerpc)
1928 arch="ppc"
1929 ;;
47b1860e 1930 ppc64|powerpc64)
e939cedd
MR
1931 arch="ppc"
1932 subarch="ppc64"
1933 ;;
1934 s390|s390x)
1935 arch="s390"
1936 ;;
1937 sh4|sh)
1938 arch="sh4"
1939 ;;
1940 sun4u|sparc64)
1941 arch="sparc"
1942 subarch="sparc64"
1943 ;;
1944 i[3-6]86|i86pc|BePC|x86_64|amd64)
1945 arch="x86"
1946 ;;
1947esac
1948
1949is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1950enable $arch
e939cedd 1951
df5cdc24 1952# Add processor-specific flags
5d54c126
MR
1953if test "$cpu" = generic; then
1954 : do nothing
1955elif enabled ppc; then
343aef9b 1956
56348891
MR
1957 case $(tolower $cpu) in
1958 601|ppc601|powerpc601)
9dbd5c3d 1959 cpuflags="-mcpu=601"
64ad53ff 1960 disable altivec
9dbd5c3d 1961 ;;
56348891 1962 603*|ppc603*|powerpc603*)
9dbd5c3d 1963 cpuflags="-mcpu=603"
64ad53ff 1964 disable altivec
9dbd5c3d 1965 ;;
56348891 1966 604*|ppc604*|powerpc604*)
9dbd5c3d 1967 cpuflags="-mcpu=604"
64ad53ff 1968 disable altivec
9dbd5c3d 1969 ;;
56348891 1970 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1971 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1972 disable altivec
9dbd5c3d 1973 ;;
56348891 1974 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1975 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1976 ;;
56348891 1977 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1978 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1979 ;;
56348891 1980 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1981 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1982 ;;
56348891 1983 cell)
9dbd5c3d
MR
1984 cpuflags="-mcpu=cell"
1985 enable ldbrx
1986 ;;
7b0b81a1
AL
1987 e500v2)
1988 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1989 disable altivec
1990 ;;
1991 e500)
1992 cpuflags="-mcpu=8540 -mhard-float"
1993 disable altivec
1994 ;;
9dbd5c3d 1995 esac
343aef9b
MR
1996
1997elif enabled x86; then
1998
9dbd5c3d
MR
1999 case $cpu in
2000 i[345]86|pentium)
2001 cpuflags="-march=$cpu"
2002 disable mmx
2003 ;;
2004 # targets that do NOT support conditional mov (cmov)
2005 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2006 cpuflags="-march=$cpu"
2007 disable cmov
2008 ;;
2009 # targets that do support conditional mov (cmov)
2010 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2011 cpuflags="-march=$cpu"
2012 enable cmov
2013 enable fast_cmov
2014 ;;
2015 # targets that do support conditional mov but on which it's slow
2016 pentium4|pentium4m|prescott|nocona)
2017 cpuflags="-march=$cpu"
2018 enable cmov
2019 disable fast_cmov
2020 ;;
2021 esac
343aef9b
MR
2022
2023elif enabled sparc; then
2024
9dbd5c3d 2025 case $cpu in
26b7199e
MK
2026 niagara)
2027 cpuflags="-mcpu=$cpu"
2028 disable vis
2029 ;;
9dbd5c3d
MR
2030 sparc64)
2031 cpuflags="-mcpu=v9"
2032 ;;
2033 esac
343aef9b
MR
2034
2035elif enabled arm; then
2036
34ba23c9
MR
2037 case $cpu in
2038 armv*)
2039 cpuflags="-march=$cpu"
2040 ;;
2041 *)
2042 cpuflags="-mcpu=$cpu"
2043 ;;
2044 esac
343aef9b
MR
2045
2046elif enabled alpha; then
2047
34ba23c9 2048 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2049
2050elif enabled bfin; then
2051
34ba23c9 2052 cpuflags="-mcpu=$cpu"
343aef9b
MR
2053
2054elif enabled mips; then
2055
34ba23c9 2056 cpuflags="-march=$cpu"
343aef9b
MR
2057
2058elif enabled avr32; then
2059
9dbd5c3d
MR
2060 case $cpu in
2061 ap7[02]0[0-2])
2062 subarch="avr32_ap"
2063 cpuflags="-mpart=$cpu"
2064 ;;
2065 ap)
2066 subarch="avr32_ap"
2067 cpuflags="-march=$cpu"
2068 ;;
2069 uc3[ab]*)
2070 subarch="avr32_uc"
2071 cpuflags="-mcpu=$cpu"
2072 ;;
2073 uc)
2074 subarch="avr32_uc"
2075 cpuflags="-march=$cpu"
2076 ;;
2077 esac
df5cdc24 2078
343aef9b
MR
2079fi
2080
df5cdc24
MR
2081add_cflags $cpuflags
2082add_asflags $cpuflags
2083
993f2d0f
MR
2084# compiler sanity check
2085check_exec <<EOF
2086int main(void){ return 0; }
2087EOF
2088if test "$?" != 0; then
2089 echo "$cc is unable to create an executable file."
2090 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2091 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2092 echo "Only do this if you know what cross compiling means."
2093 fi
2094 die "C compiler test failed."
2095fi
2096
38a9c529 2097add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2098check_cflags -std=c99
50a334e4 2099check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2100#include <stdlib.h>
2101EOF
50a334e4 2102check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2103#include <stdlib.h>
2104EOF
e9b9a2f8 2105
f0125de9
MR
2106check_host_cflags -std=c99
2107
b24dbcbd 2108case "$arch" in
e939cedd 2109 alpha|ia64|mips|parisc|sparc)
8a3c8627 2110 spic=$shared
b24dbcbd 2111 ;;
e939cedd 2112 x86)
cfdb6148 2113 subarch="x86_32"
e939cedd 2114 check_cc <<EOF && subarch="x86_64"
58b3536d 2115 int test[(int)sizeof(char*) - 7];
cfdb6148 2116EOF
de27f4d9 2117 if test "$subarch" = "x86_64"; then
e939cedd 2118 spic=$shared
de27f4d9 2119 fi
b24dbcbd 2120 ;;
b24dbcbd
RP
2121esac
2122
343aef9b 2123enable $subarch
8a3c8627 2124enabled spic && enable pic
b24dbcbd 2125
7483e694 2126# OS specific
4f854758 2127case $target_os in
a1629e28 2128 haiku)
63ae7e7c 2129 prefix_default="/boot/common"
108caaaa 2130 network_extralibs="-lnetwork"
a1629e28 2131 ;;
7483e694
DB
2132 sunos)
2133 FFSERVERLDFLAGS=""
9987769a 2134 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2135 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2136 network_extralibs="-lsocket -lnsl"
50a334e4 2137 add_cppflags -D__EXTENSIONS__
8182dc34 2138 nm_opts='-P -g'
7483e694
DB
2139 ;;
2140 netbsd)
07a8eef6
MR
2141 oss_indev_extralibs="-lossaudio"
2142 oss_outdev_extralibs="-lossaudio"
2138dc99 2143 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2144 ;;
2145 openbsd)
89e053f8 2146 enable malloc_aligned
7c4a001a
MR
2147 # On OpenBSD 4.5. the compiler does not use PIC unless
2148 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2149 # however the generated executable will not do anything
2150 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2151 # Thus explicitly enable PIC here.
cd78208b 2152 enable pic
7483e694 2153 SHFLAGS='-shared'
07a8eef6
MR
2154 oss_indev_extralibs="-lossaudio"
2155 oss_outdev_extralibs="-lossaudio"
7483e694 2156 ;;
90b4f091 2157 freebsd|dragonfly)
89e053f8 2158 enable malloc_aligned
7483e694
DB
2159 ;;
2160 bsd/os)
2161 osextralibs="-lpoll -lgnugetopt"
2162 strip="strip -d"
2163 ;;
2164 darwin)
89e053f8 2165 enable malloc_aligned
0138c54e 2166 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2167 strip="strip -x"
2168 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2169 SLIBSUF=".dylib"
2170 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2171 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2172 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2173 objformat="macho"
1b0f6fb8 2174 enabled x86_64 && objformat="macho64"
8dfa86f7 2175 enabled_any pic shared ||
2704bd1a 2176 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2177 ;;
2178 mingw32*)
9d3f4f50 2179 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2180 disable network
2181 else
2182 target_os=mingw32
2183 fi
dcc01c06 2184 LIBTARGET=i386
1fc9fb8a 2185 if enabled x86_64; then
89e053f8 2186 enable malloc_aligned
dcc01c06 2187 LIBTARGET=x64
336cc1b0
MS
2188 elif enabled arm; then
2189 LIBTARGET=arm
dcc01c06 2190 fi
fbd971a4 2191 shlibdir_default="$bindir_default"
7483e694
DB
2192 disable ffserver
2193 SLIBPREF=""
2194 SLIBSUF=".dll"
7483e694
DB
2195 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2196 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2197 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2198 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2199 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2200 install -d "$(LIBDIR)"; \
2201 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2202 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2203 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2204 objformat="win32"
bc574408 2205 enable dos_paths
1894e741 2206 check_cflags -fno-common
b1549d61 2207 if ! enabled x86_64; then
f7ad5aa2
RP
2208 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2209 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2210 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2211 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2212 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2213 fi
7483e694
DB
2214 ;;
2215 cygwin*)
4f854758 2216 target_os=cygwin
fbd971a4 2217 shlibdir_default="$bindir_default"
7483e694
DB
2218 SLIBPREF="cyg"
2219 SLIBSUF=".dll"
2220 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2221 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2222 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2223 objformat="win32"
bc574408 2224 enable dos_paths
1894e741 2225 check_cflags -fno-common
7483e694 2226 ;;
4f365f37 2227 *-dos|freedos|opendos)
fdf11906 2228 disable ffplay ffserver
4f365f37
MK
2229 disable $INDEV_LIST $OUTDEV_LIST
2230 network_extralibs="-lsocket"
ff1c015d 2231 objformat="coff"
bc574408 2232 enable dos_paths
4f365f37 2233 ;;
7483e694 2234 linux)
7483e694
DB
2235 enable dv1394
2236 ;;
2237 irix*)
4f854758 2238 target_os=irix
7483e694
DB
2239 ranlib="echo ignoring ranlib"
2240 ;;
d22e8442 2241 os/2*)
d22e8442
DY
2242 strip="lxlite"
2243 ln_s="cp -f"
d22e8442 2244 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2245 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2246 FFSERVERLDFLAGS=""
287d3b13 2247 LIBSUF="_s.a"
d22e8442
DY
2248 SLIBPREF=""
2249 SLIBSUF=".dll"
2250 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2251 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2252 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2253 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2254 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2255 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2256 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2257 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2258 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2259 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2260 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2261 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2262 enable dos_paths
d22e8442 2263 ;;
83993c1c
AM
2264 gnu/kfreebsd)
2265 ;;
34e82167 2266 gnu)
34e82167 2267 ;;
614d8911
MR
2268 none)
2269 ;;
7483e694 2270 *)
4f924f9a 2271 die "Unknown OS '$target_os'."
7483e694
DB
2272 ;;
2273esac
2274
13cb2187
AS
2275check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2276
c9d19248
MR
2277set_default $PATHS_LIST
2278
c597172e 2279add_extralibs $osextralibs
de6d9b64 2280
28d8e661
DB
2281# Combine FFLDFLAGS and the LDFLAGS environment variable.
2282LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2283
320d060a 2284# we need to build at least one lib type
93b3c083 2285if ! enabled_any static shared; then
320d060a
DB
2286 cat <<EOF
2287At least one library type must be built.
2288Specify --enable-static to build the static libraries or --enable-shared to
2289build the shared libraries as well. To only build the shared libraries specify
2290--disable-static in addition to --enable-shared.
2291EOF
2292 exit 1;
2293fi
2294
abc4e572 2295disabled static && LIBNAME=""
2a320695 2296
2184c6f7 2297die_license_disabled() {
4c27207c 2298 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2299}
2300
2184c6f7
DB
2301die_license_disabled gpl libx264
2302die_license_disabled gpl libxvid
2303die_license_disabled gpl postproc
2304die_license_disabled gpl x11grab
2305
2f7ae63b 2306die_license_disabled nonfree libfaac
b2e3c528 2307
0b175caa
DB
2308die_license_disabled version3 libopencore_amrnb
2309die_license_disabled version3 libopencore_amrwb
2310
9cad0e4e 2311enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2312
9eeed841 2313check_deps $ARCH_EXT_LIST
0f3cb305 2314
40617a6d 2315disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2316
e276d9e8
MR
2317enable_pic() {
2318 enable pic
bce7b696
MR
2319 add_cppflags -DPIC
2320 add_cflags -fPIC
2321 add_asflags -fPIC
e276d9e8
MR
2322}
2323
2324enabled pic && enable_pic
bce7b696 2325
b4d96ba2
MR
2326check_cc <<EOF || die "Symbol mangling check failed."
2327int ff_extern;
2328EOF
8182dc34 2329sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2330extern_prefix=${sym%%ff_extern*}
2331
f65883c8
MR
2332check_cc <<EOF && enable inline_asm
2333void foo(void) { __asm__ volatile ("" ::); }
2334EOF
61d251db 2335
df5e3978
MR
2336_restrict=
2337for restrict_keyword in restrict __restrict__ __restrict; do
2338 check_cc <<EOF && _restrict=$restrict_keyword && break
2339void foo(char * $restrict_keyword p);
2340EOF
2341done
2342
2343check_cc <<EOF && enable attribute_packed
2344struct { int x; } __attribute__((packed)) x;
2345EOF
2346
dffb41b9
MR
2347check_cc <<EOF && enable attribute_may_alias
2348union { int x; } __attribute__((may_alias)) x;
2349EOF
2350
df5e3978
MR
2351check_cc <<EOF || die "endian test failed"
2352unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2353EOF
48fc536a 2354od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2355
e939cedd
MR
2356if enabled alpha; then
2357
2358 check_cflags -mieee
2359
2360elif enabled arm; then
e45391bb 2361
50fa82e6
MR
2362 check_cflags -marm
2363
fa0912fe
MR
2364 check_ld <<EOF && enable vfp_args
2365__asm__ (".eabi_attribute 28, 1");
2366int main(void) { return 0; }
2367EOF
2368
2369 # We have to check if pld is a nop and disable it.
2370 check_asm pld '"pld [r0]"'
2371
2372 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2373 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2374 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2375 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2376 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2377 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2378
e276d9e8
MR
2379 enabled_all armv6t2 shared !pic && enable_pic
2380
fa0912fe 2381elif enabled mips; then
e45391bb 2382
fa0912fe
MR
2383 check_asm loongson '"dmult.g $1, $2, $3"'
2384 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2385
fa0912fe 2386elif enabled ppc; then
e45391bb 2387
e6a0c354
MR
2388 enable local_aligned_8 local_aligned_16
2389
fa0912fe
MR
2390 check_asm dcbzl '"dcbzl 0, 1"'
2391 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2392 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2393
2394 # AltiVec flags: The FSF version of GCC differs from the Apple version
2395 if enabled altivec; then
2396 check_cflags -maltivec -mabi=altivec &&
2397 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2398 check_cflags -faltivec
2399
2400 # check if our compiler supports Motorola AltiVec C API
2401 check_cc <<EOF || disable altivec
2402$inc_altivec_h
2403int main(void) {
2404 vector signed int v1, v2, v3;
2405 v1 = vec_add(v2,v3);
2406 return 0;
2407}
2408EOF
2409
2410 # check if our compiler supports braces for vector declarations
2411 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2412$inc_altivec_h
2413int main (void) { (vector int) {1}; return 0; }
2414EOF
2415 fi
e45391bb 2416
fa0912fe 2417elif enabled sparc; then
e45391bb 2418
fa0912fe
MR
2419 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2420 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2421
fa0912fe 2422elif enabled x86; then
e45391bb 2423
e6a0c354
MR
2424 enable local_aligned_8 local_aligned_16
2425
44965991
PI
2426 # check whether EBP is available on x86
2427 # As 'i' is stored on the stack, this program will crash
2428 # if the base pointer is used to access it because the
2429 # base pointer is cleared in the inline assembly code.
7dfef245 2430 check_exec_crash <<EOF && enable ebp_available
44965991 2431 volatile int i=0;
be449fca 2432 __asm__ volatile (
44965991
PI
2433 "xorl %%ebp, %%ebp"
2434 ::: "%ebp");
2435 return i;
44965991
PI
2436EOF
2437
f494213c 2438 # check whether EBX is available on x86
7cee5421
MR
2439 check_asm ebx_available '""::"b"(0)' &&
2440 check_asm ebx_available '"":::"%ebx"'
8e380710 2441
d3a4b4e0
DB
2442 # check whether more than 10 operands are supported
2443 check_cc <<EOF && enable ten_operands
2444int main(void) {
2445 int x=0;
2446 __asm__ volatile(
2447 ""
2448 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2449 );
2450 return 0;
2451}
2452EOF
2453
d7f0920b 2454 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2455 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2456 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2457
2458 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2459
d52481b9 2460 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2461 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2462 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2463 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2464 case "$objformat" in
2465 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2466 esac
7595a5e4 2467 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2468
669b5583
MR
2469 case "$cpu" in
2470 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2471 disable fast_clz
2472 ;;
2473 esac
2474
44965991
PI
2475fi
2476
a98bb16d
RP
2477if check_func dlopen; then
2478 ldl=
2479elif check_func dlopen -ldl; then
2480 ldl=-ldl
8bf5d58f
MN
2481fi
2482
75ecf149
DB
2483# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2484check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2485
7483e694 2486check_func fork
84882df6 2487check_func getaddrinfo $network_extralibs
7483e694
DB
2488check_func gethrtime
2489check_func getrusage
fc5607f8 2490check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2491check_func inet_aton $network_extralibs
abfc8d05 2492check_func isatty
4ae40685 2493check_func ${malloc_prefix}memalign && enable memalign
7483e694 2494check_func mkstemp
4ae40685 2495check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2496check_func setrlimit
87958234 2497check_func strerror_r
b507ebd1 2498check_func_headers io.h setmode
e4673692 2499check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2500check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2501check_func_headers windows.h GetProcessTimes
7c5bfe7a 2502check_func_headers windows.h VirtualAlloc
6ffa87d3 2503
e16e49ac 2504check_header conio.h
a98bb16d 2505check_header dlfcn.h
92c6a099 2506check_header dxva2api.h
a98bb16d 2507check_header malloc.h
bf6ce82d 2508check_header poll.h
b58412f1 2509check_header sys/mman.h
b091aa44 2510check_header sys/resource.h
bf6ce82d 2511check_header sys/select.h
a98bb16d 2512check_header termios.h
272081b0
CEH
2513check_header vdpau/vdpau.h
2514check_header vdpau/vdpau_x11.h
68178ca9 2515check_header X11/extensions/XvMClib.h
a98bb16d 2516
9104cd51
RP
2517check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2518
89e053f8
MR
2519if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2520 enabled_any $need_memalign ; then
1f91cdce 2521 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2522fi
e16e49ac 2523
a4fa192c 2524disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2525disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2526
2527# check for some common methods of building with pthread support
2528# do this before the optional library checks as some of them require pthreads
2529if enabled pthreads; then
9e7fd101
MR
2530 if check_func pthread_create; then
2531 :
2532 elif check_func pthread_create -pthread; then
2533 add_cflags -pthread
afc9aee2 2534 add_extralibs -pthread
9e7fd101
MR
2535 elif check_func pthread_create -pthreads; then
2536 add_cflags -pthreads
afc9aee2 2537 add_extralibs -pthreads
8d94f606
GT
2538 elif check_func pthread_create -lpthreadGC2; then
2539 add_extralibs -lpthreadGC2
9e7fd101
MR
2540 elif ! check_lib pthread.h pthread_create -lpthread; then
2541 die "ERROR: can't find pthreads library"
2542 fi
57bd82d4
MR
2543fi
2544
8eee7025 2545for thread in $THREADS_LIST; do
e5f94c2b 2546 if enabled $thread; then
3ae3b721
RP
2547 test -n "$thread_type" &&
2548 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2549 thread_type="$thread"
e5f94c2b
RP
2550 fi
2551done
2552
fdf88598 2553check_lib math.h sin -lm
edd43c95 2554disabled vaapi || check_lib va/va.h vaInitialize -lva
fdf88598 2555
645d2652
MR
2556check_mathfunc exp2
2557check_mathfunc exp2f
2558check_mathfunc llrint
07876e25 2559check_mathfunc llrintf
645d2652
MR
2560check_mathfunc log2
2561check_mathfunc log2f
2562check_mathfunc lrint
2563check_mathfunc lrintf
2564check_mathfunc round
2565check_mathfunc roundf
2566check_mathfunc truncf
f32adb22 2567
57bd82d4 2568# these are off by default, so fail if requested and not available
a1b3c5a3 2569enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2570enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2571 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2572 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097 2573enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5af41508 2574enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2575enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2576enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2577enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2578enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2579enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3a9bc39e 2580enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
36718e51
DB
2581enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2582 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2583enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2584enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2585enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
ee0e9146
JZ
2586enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2587 require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
60877ad9 2588enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
652d9d24
JGG
2589 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2590 die "ERROR: libx264 version must be >= 0.98."; }
2bfecf73 2591enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2592enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2593
0b4a1821
AS
2594# libdc1394 check
2595if enabled libdc1394; then
2596 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2597 enable libdc1394_2; } ||
2598 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2599 enable libdc1394_1; } ||
2600 die "ERROR: No version of libdc1394 found "
2601fi
2602
6a1a892f 2603SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2604if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2605 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2606 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2607 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2608 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2609 enable sdl &&
2610 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2611fi
57bd82d4 2612
2270b4b2 2613texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2614
73b46a95 2615if enabled network; then
96000432 2616 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2617 check_type netdb.h "struct addrinfo"
b4d68544
MS
2618 check_type netinet/in.h "struct ipv6_mreq"
2619 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2620 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2621 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2622 # Prefer arpa/inet.h over winsock2
2623 if check_header arpa/inet.h ; then
2624 check_func closesocket
2625 elif check_header winsock2.h ; then
f4c13872
MS
2626 check_func_headers winsock2.h closesocket -lws2 && \
2627 network_extralibs="-lws2" || \
2628 { check_func_headers winsock2.h closesocket -lws2_32 && \
2629 network_extralibs="-lws2_32"; }
72be9e73 2630 check_type ws2tcpip.h socklen_t
c0018613 2631 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2632 check_type ws2tcpip.h "struct ipv6_mreq"
2633 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2634 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2635 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2636 else
2637 disable network
73b46a95
RP
2638 fi
2639fi
2640
06e31011
RP
2641check_header linux/videodev.h
2642check_header linux/videodev2.h
1b6e8b73 2643check_header sys/videoio.h
47f38850 2644
27796dc3 2645check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2646
f8aa696f 2647# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2648{ check_header dev/bktr/ioctl_meteor.h &&
2649 check_header dev/bktr/ioctl_bt848.h; } ||
2650{ check_header machine/ioctl_meteor.h &&
2651 check_header machine/ioctl_bt848.h; } ||
2652{ check_header dev/video/meteor/ioctl_meteor.h &&
2653 check_header dev/video/bktr/ioctl_bt848.h; } ||
2654check_header dev/ic/bt8xx.h
f8aa696f 2655
c7682de0
RP
2656check_header sys/soundcard.h
2657check_header soundcard.h
deb29777 2658
b6f3d925 2659enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2660
0e57fe17 2661enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2662
56a059ac 2663enabled x11grab &&
f58f4ce1
GP
2664check_header X11/Xlib.h &&
2665check_header X11/extensions/XShm.h &&
0a045661 2666check_header X11/extensions/Xfixes.h &&
f58f4ce1 2667check_func XOpenDisplay -lX11 &&
781c1aa6
R
2668check_func XShmCreateImage -lX11 -lXext &&
2669check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2670
598ef02b 2671if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2672check_cpp_condition \
2673 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2674 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2675 disable vdpau; }
abf649c7 2676fi
deda2a4a 2677
95e561ec 2678enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2679
2680# add some useful compiler flags if supported
2681check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2682check_cflags -Wall
2683check_cflags -Wno-switch
c07bd6a9
MN
2684check_cflags -Wdisabled-optimization
2685check_cflags -Wpointer-arith
2686check_cflags -Wredundant-decls
cc1fb623 2687check_cflags -Wno-pointer-sign
f4929996 2688check_cflags -Wcast-qual
9aceb3cf 2689check_cflags -Wwrite-strings
652a5bf6 2690check_cflags -Wtype-limits
764551c6 2691check_cflags -Wundef
fc298fd9 2692check_cflags -Wmissing-prototypes
5af4e0cc 2693enabled extra_warnings && check_cflags -Winline
cf9d24ad 2694
57bd82d4 2695# add some linker flags
5c0e9479 2696check_ldflags -Wl,--warn-common
8351d2ba
DB
2697check_ldflags -Wl,--as-needed
2698check_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 2699check_ldflags -Wl,-Bsymbolic
94a3401e 2700
a482e61b 2701echo "X{};" > $TMPV
b462d132 2702if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 2703 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
2704 check_cc <<EOF && enable symver_asm_label
2705void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 2706void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
2707EOF
2708 check_cc <<EOF && enable symver_gnu_asm
2709__asm__(".symver ff_foo,av_foo@VERSION");
2710void ff_foo(void) {}
2711EOF
2712fi
a482e61b 2713
bd2216e4 2714if enabled small; then
14ca9cd0 2715 add_cflags $size_cflags
8400d6b8
DB
2716 optimizations="small"
2717elif enabled optimizations; then
14ca9cd0 2718 add_cflags $speed_cflags
b05394a0
MR
2719else
2720 add_cflags $noopt_cflags
cddf3f45 2721fi
11fdbc44 2722check_cflags -fno-math-errno
b2eb2ff0 2723check_cflags -fno-signed-zeros
cddf3f45 2724
629687f6 2725if enabled icc; then
b1598b58
MR
2726 # Just warnings, no remarks
2727 check_cflags -w1
2728 # -wd: Disable following warnings
2729 # 144, 167, 556: -Wno-pointer-sign
2730 # 10006: ignoring unknown option -fno-signed-zeros
2731 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2732 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2733 # 11030: Warning unknown option --as-needed
2734 # 10156: ignoring option '-export'; no argument required
2735 check_ldflags -wd10156,11030
2736 # Allow to compile with optimizations
2737 check_ldflags -march=$cpu
be2cf98a
CEH
2738 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2739 enable ebp_available
df442a8d
MR
2740elif enabled ccc; then
2741 # disable some annoying warnings
2742 add_cflags -msg_disable cvtu32to64
2743 add_cflags -msg_disable embedcomment
2744 add_cflags -msg_disable needconstext
2745 add_cflags -msg_disable nomainieee
2746 add_cflags -msg_disable ptrmismatch1
2747 add_cflags -msg_disable unreachcode
973859f5
MR
2748elif enabled gcc; then
2749 check_cflags -fno-tree-vectorize
62df111c 2750 check_cflags -Werror=implicit
de63bfec 2751 check_cflags -Werror=missing-prototypes
06da6943
DC
2752elif enabled clang; then
2753 check_cflags -Qunused-arguments
138132be
MR
2754elif enabled armcc; then
2755 # 2523: use of inline assembler is deprecated
2756 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2757 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2758elif enabled tms470; then
2759 add_cflags -pds=824 -pds=837
504a64b9
CEH
2760fi
2761
90be59ef 2762if enabled gprof; then
0f010b2f
DB
2763 add_cflags -p
2764 add_ldflags -p
1db54e20
DB
2765fi
2766
7483e694
DB
2767enabled_any $THREADS_LIST && enable threads
2768
2769check_deps $CONFIG_LIST \
b6bb00b0 2770 $CONFIG_EXTRA \
7483e694
DB
2771 $HAVE_LIST \
2772 $DECODER_LIST \
2773 $ENCODER_LIST \
5666fd73 2774 $HWACCEL_LIST \
7483e694
DB
2775 $PARSER_LIST \
2776 $BSF_LIST \
2777 $DEMUXER_LIST \
2778 $MUXER_LIST \
f7679c54 2779 $FILTER_LIST \
7483e694
DB
2780 $INDEV_LIST \
2781 $OUTDEV_LIST \
2782 $PROTOCOL_LIST \
f70f03f6 2783
3bfd582c 2784enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 2785
3e89171a 2786echo "install prefix $prefix"
f36958f8
DB
2787echo "source path $source_path"
2788echo "C compiler $cc"
f36958f8 2789echo "ARCH $arch ($cpu)"
ce8871c2
MR
2790if test "$build_suffix" != ""; then
2791 echo "build suffix $build_suffix"
eb94aca9 2792fi
ac63af34
DB
2793if test "$extra_version" != ""; then
2794 echo "version string suffix $extra_version"
2795fi
0db2ce77 2796echo "big-endian ${bigendian-no}"
e90f5b5a 2797echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2798if enabled x86; then
af44e8e4 2799 echo "yasm ${yasm-no}"
0db2ce77 2800 echo "MMX enabled ${mmx-no}"
30e98e62 2801 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2802 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2803 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2804 echo "SSE enabled ${sse-no}"
30e98e62 2805 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2806 echo "CMOV enabled ${cmov-no}"
2807 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2808 echo "EBX available ${ebx_available-no}"
2809 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2810 echo "10 operands supported ${ten_operands-no}"
e41e8342 2811fi
5b6c2cbd 2812if enabled arm; then
0db2ce77
MR
2813 echo "ARMv5TE enabled ${armv5te-no}"
2814 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2815 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2816 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2817 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2818 echo "NEON enabled ${neon-no}"
eba9ae3c 2819fi
5b6c2cbd 2820if enabled mips; then
0db2ce77 2821 echo "MMI enabled ${mmi-no}"
e41e8342 2822fi
5b6c2cbd 2823if enabled ppc; then
0db2ce77 2824 echo "AltiVec enabled ${altivec-no}"
30e98e62 2825 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2826 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2827 echo "performance report ${powerpc_perf-no}"
2828fi
2829if enabled sparc; then
2830 echo "VIS enabled ${vis-no}"
e41e8342 2831fi
0db2ce77
MR
2832echo "gprof enabled ${gprof-no}"
2833echo "debug symbols ${debug-no}"
87a0fb62 2834echo "strip symbols ${stripping-no}"
8400d6b8 2835echo "optimizations ${optimizations-no}"
0db2ce77
MR
2836echo "static ${static-no}"
2837echo "shared ${shared-no}"
4a24ab64 2838echo "postprocessing support ${postproc-no}"
f7679c54 2839echo "new filter support ${avfilter-no}"
81124ba0 2840echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2841echo "network support ${network-no}"
0db2ce77
MR
2842echo "threading support ${thread_type-no}"
2843echo "SDL support ${sdl-no}"
0db2ce77
MR
2844echo "Sun medialib support ${mlib-no}"
2845echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2846echo "libdc1394 support ${libdc1394-no}"
690bfceb 2847echo "libdirac enabled ${libdirac-no}"
0db2ce77 2848echo "libfaac enabled ${libfaac-no}"
0db2ce77
MR
2849echo "libgsm enabled ${libgsm-no}"
2850echo "libmp3lame enabled ${libmp3lame-no}"
2851echo "libnut enabled ${libnut-no}"
0b175caa
DB
2852echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2853echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2854echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2855echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2856echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2857echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2858echo "libtheora enabled ${libtheora-no}"
2859echo "libvorbis enabled ${libvorbis-no}"
8299a7f8 2860echo "libvpx enabled ${libvpx-no}"
d6bd62db
DB
2861echo "libx264 enabled ${libx264-no}"
2862echo "libxvid enabled ${libxvid-no}"
0db2ce77 2863echo "zlib enabled ${zlib-no}"
f402916e 2864echo "bzlib enabled ${bzlib-no}"
2c62e737 2865echo
de6d9b64 2866
5666fd73 2867for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2868 echo "Enabled ${type}s:"
f65c9da1 2869 eval list=\$$(toupper $type)_LIST
8138b9db 2870 for part in $list; do
f65c9da1
MR
2871 enabled $part && echo ${part%_*}
2872 done | sort | pr -3 -t
2873 echo
8138b9db
RP
2874done
2875
ba7a7039 2876license="LGPL version 2.1 or later"
ba321adb 2877if enabled nonfree; then
ba7a7039 2878 license="nonfree and unredistributable"
9cad0e4e
DB
2879elif enabled gplv3; then
2880 license="GPL version 3 or later"
2881elif enabled lgplv3; then
2882 license="LGPL version 3 or later"
ba321adb 2883elif enabled gpl; then
ba7a7039 2884 license="GPL version 2 or later"
ba321adb
JK
2885fi
2886
2887echo "License: $license"
ca5323af 2888
cf1392e9
DB
2889echo "Creating config.mak and config.h..."
2890
df642790
MR
2891# build tree in object directory if source path is different from current one
2892if enabled source_path_used; then
2893 DIRS="
2894 doc
2895 libavcodec
2896 libavcodec/$arch
2897 libavdevice
2898 libavfilter
2899 libavformat
2900 libavutil
2901 libavutil/$arch
2902 libpostproc
2903 libswscale
2904 libswscale/$arch
2905 tests
2906 tools
2907 "
2908 FILES="
2909 Makefile
2910 common.mak
2911 subdir.mak
2912 doc/texi2pod.pl
2913 libavcodec/Makefile
43f60eba 2914 libavcodec/${arch}/Makefile
df642790
MR
2915 libavdevice/Makefile
2916 libavfilter/Makefile
2917 libavformat/Makefile
2918 libavutil/Makefile
2919 libpostproc/Makefile
2920 libswscale/Makefile
2921 "
e0e335a0 2922 map 'mkdir -p $v' $DIRS;
43f60eba 2923 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2924fi
2925
ad212cc6
MR
2926enabled stripping || strip="echo skipping strip"
2927
173c983b
MR
2928cat > config.mak <<EOF
2929# Automatically generated by configure - do not modify!
2930ifndef FFMPEG_CONFIG_MAK
2931FFMPEG_CONFIG_MAK=1
2932FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2933prefix=$prefix
2934LIBDIR=\$(DESTDIR)$libdir
2935SHLIBDIR=\$(DESTDIR)$shlibdir
2936INCDIR=\$(DESTDIR)$incdir
2937BINDIR=\$(DESTDIR)$bindir
2938DATADIR=\$(DESTDIR)$datadir
2939MANDIR=\$(DESTDIR)$mandir
2940SRC_PATH="$source_path"
2941SRC_PATH_BARE=$source_path
2942BUILD_ROOT="$PWD"
2943ARCH=$arch
2944CC=$cc
2945AS=$as
2946LD=$ld
2947DEPCC=$dep_cc
2948YASM=$yasmexe
a4aea515 2949YASMDEP=$yasmexe
173c983b
MR
2950AR=$ar
2951RANLIB=$ranlib
4335125c 2952CP=cp -p
173c983b
MR
2953LN_S=$ln_s
2954STRIP=$strip
2955CPPFLAGS=$CPPFLAGS
2956CFLAGS=$CFLAGS
2957ASFLAGS=$ASFLAGS
2958CC_O=$CC_O
2959LDFLAGS=$LDFLAGS
2960FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2961SHFLAGS=$SHFLAGS
2962YASMFLAGS=$YASMFLAGS
2963BUILDSUF=$build_suffix
2964FULLNAME=$FULLNAME
2965LIBPREF=$LIBPREF
2966LIBSUF=$LIBSUF
2967LIBNAME=$LIBNAME
2968SLIBPREF=$SLIBPREF
2969SLIBSUF=$SLIBSUF
2970EXESUF=$EXESUF
2971EXTRA_VERSION=$extra_version
2972DEPFLAGS=$DEPFLAGS
2973CCDEP=$CCDEP
2974ASDEP=$ASDEP
2975CC_DEPFLAGS=$CC_DEPFLAGS
2976AS_DEPFLAGS=$AS_DEPFLAGS
2977HOSTCC=$host_cc
2978HOSTCFLAGS=$host_cflags
2979HOSTEXESUF=$HOSTEXESUF
2980HOSTLDFLAGS=$host_ldflags
2981HOSTLIBS=$host_libs
2982TARGET_EXEC=$target_exec
2983TARGET_PATH=$target_path
2984SDL_LIBS=$sdl_libs
2985SDL_CFLAGS=$sdl_cflags
2986LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2987EXTRALIBS=$extralibs
fd676deb 2988INSTALL=install
1afc4750
MR
2989LIBTARGET=${LIBTARGET}
2990SLIBNAME=${SLIBNAME}
2991SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2992SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2993SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2994SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2995SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2996SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 2997SAMPLES=$samples
173c983b 2998EOF
5a872801 2999
719c8e00
MR
3000get_version(){
3001 name=$1
3002 file=$source_path/$2
147e7692
MR
3003 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3004 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3005 lcname=$(tolower $name)
3006 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3007 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3008}
3009
147e7692
MR
3010get_version LIBSWSCALE libswscale/swscale.h
3011get_version LIBPOSTPROC libpostproc/postprocess.h
3012get_version LIBAVCODEC libavcodec/avcodec.h
3013get_version LIBAVDEVICE libavdevice/avdevice.h
3014get_version LIBAVFORMAT libavformat/avformat.h
3015get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3016get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3017
173c983b
MR
3018cat > $TMPH <<EOF
3019/* Automatically generated by configure - do not modify! */
3020#ifndef FFMPEG_CONFIG_H
3021#define FFMPEG_CONFIG_H
3022#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3023#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3024#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3025#define CC_TYPE "$cc_type"
3026#define CC_VERSION $cc_version
3027#define restrict $_restrict
42719e20 3028#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
173c983b
MR
3029#define EXTERN_PREFIX "${extern_prefix}"
3030#define EXTERN_ASM ${extern_prefix}
3031EOF
523ef551 3032
4ae40685
MR
3033test -n "$malloc_prefix" &&
3034 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3035
523ef551 3036if enabled small || disabled optimizations; then
9a894c48 3037 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3038 echo "#define av_always_inline" >> $TMPH
3039fi
3040
3d907e22
MR
3041print_config ARCH_ $TMPH config.mak $ARCH_LIST
3042print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3043print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3044 $CONFIG_EXTRA \
7483e694
DB
3045 $DECODER_LIST \
3046 $ENCODER_LIST \
5666fd73 3047 $HWACCEL_LIST \
7483e694
DB
3048 $PARSER_LIST \
3049 $BSF_LIST \
3050 $DEMUXER_LIST \
3051 $MUXER_LIST \
f7679c54 3052 $FILTER_LIST \
7483e694
DB
3053 $PROTOCOL_LIST \
3054 $INDEV_LIST \
3055 $OUTDEV_LIST \
8ac17293 3056
9c05103f 3057echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3058echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3059
b7860763 3060# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3061cp_if_changed $TMPH config.h
3d204385 3062
a3e02a8c
MR
3063cat > $TMPH <<EOF
3064/* Generated by ffconf */
3065#ifndef AVUTIL_AVCONFIG_H
3066#define AVUTIL_AVCONFIG_H
3067EOF
3068
3069print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3070
3071echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3072
3073cp_if_changed $TMPH libavutil/avconfig.h
3074
d0674868 3075# build pkg-config files
def4272a 3076
d0674868
DB
3077pkgconfig_generate(){
3078name=$1
b0dfd108 3079shortname=${name#lib}${build_suffix}
d0674868
DB
3080comment=$2
3081version=$3
3082libs=$4
3083requires=$5
25cd5cb3 3084cat <<EOF > $name/$name.pc
3e89171a 3085prefix=$prefix
a94e666c 3086exec_prefix=\${prefix}
f2b7382c 3087libdir=$libdir
7622778e 3088includedir=$incdir
def4272a 3089
d0674868
DB
3090Name: $name
3091Description: $comment
3092Version: $version
8cd6b388 3093Requires: $(enabled shared || echo $requires)
5dcfe9f8 3094Requires.private: $(enabled shared && echo $requires)
def4272a 3095Conflicts:
8cd6b388 3096Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3097Libs.private: $(enabled shared && echo $libs)
76a448ed 3098Cflags: -I\${includedir}
def4272a 3099EOF
25cd5cb3 3100cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3101prefix=
3102exec_prefix=
46d1ff83 3103libdir=\${pcfiledir}
1d44d365 3104includedir=${source_path}
def4272a 3105
d0674868
DB
3106Name: $name
3107Description: $comment
3108Version: $version
3109Requires: $requires
def4272a 3110Conflicts:
12701f6e 3111Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3112Cflags: -I\${includedir}
3113EOF
d0674868 3114}
def4272a 3115
e426941d 3116pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3117pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3118pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3119pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3120enabled avfilter &&
46983309 3121 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3122enabled postproc &&
e426941d 3123 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3124pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"