configure: add print_enabled() function
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
74c53c2d 57show_help(){
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58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
19bd477d 64 --logfile=FILE log tests and output to FILE [config.log]
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65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
336ce917 85 --disable-ffprobe disable ffprobe build
06454877 86 --disable-ffserver disable ffserver build
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87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
06454877 91 --enable-postproc enable GPLed postprocessing support [no]
cccc039f 92 --disable-avfilter disable video filter support [no]
06454877 93 --enable-avfilter-lavf video filters dependent on avformat [no]
0dbfc1db 94 --disable-pthreads disable pthreads [auto]
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95 --enable-w32threads use Win32 threads [no]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
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98 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101 --disable-fastdiv disable table-based division
102 --enable-small optimize for size instead of speed
103 --disable-aandct disable AAN DCT code
7f3f5f46 104 --disable-dct disable DCT code
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105 --disable-fft disable FFT code
106 --disable-golomb disable Golomb code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --disable-vaapi disable VAAPI code
111 --disable-vdpau disable VDPAU code
92c6a099 112 --disable-dxva2 disable DXVA2 code
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113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --enable-memalign-hack emulate memalign, interferes with memory debuggers
bb55e3a3 116 --disable-everything disable all components listed below
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117 --disable-encoder=NAME disable encoder NAME
118 --enable-encoder=NAME enable encoder NAME
119 --disable-encoders disable all encoders
120 --disable-decoder=NAME disable decoder NAME
121 --enable-decoder=NAME enable decoder NAME
122 --disable-decoders disable all decoders
123 --disable-hwaccel=NAME disable hwaccel NAME
124 --enable-hwaccel=NAME enable hwaccel NAME
125 --disable-hwaccels disable all hwaccels
126 --disable-muxer=NAME disable muxer NAME
127 --enable-muxer=NAME enable muxer NAME
128 --disable-muxers disable all muxers
129 --disable-demuxer=NAME disable demuxer NAME
130 --enable-demuxer=NAME enable demuxer NAME
131 --disable-demuxers disable all demuxers
132 --enable-parser=NAME enable parser NAME
133 --disable-parser=NAME disable parser NAME
134 --disable-parsers disable all parsers
135 --enable-bsf=NAME enable bitstream filter NAME
136 --disable-bsf=NAME disable bitstream filter NAME
137 --disable-bsfs disable all bitstream filters
138 --enable-protocol=NAME enable protocol NAME
139 --disable-protocol=NAME disable protocol NAME
140 --disable-protocols disable all protocols
141 --disable-indev=NAME disable input device NAME
142 --disable-outdev=NAME disable output device NAME
143 --disable-indevs disable input devices
144 --disable-outdevs disable output devices
145 --disable-devices disable all devices
146 --enable-filter=NAME enable filter NAME
147 --disable-filter=NAME disable filter NAME
148 --disable-filters disable all filters
149 --list-decoders show all available decoders
150 --list-encoders show all available encoders
151 --list-hwaccels show all available hardware accelerators
152 --list-muxers show all available muxers
153 --list-demuxers show all available demuxers
154 --list-parsers show all available parsers
155 --list-protocols show all available protocols
156 --list-bsfs show all available bitstream filters
157 --list-indevs show all available input devices
158 --list-outdevs show all available output devices
159 --list-filters show all available filters
160
161External library support:
162 --enable-avisynth enable reading of AVISynth script files [no]
163 --enable-bzlib enable bzlib [autodetect]
164 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
167 and libraw1394 [no]
168 --enable-libdirac enable Dirac support via libdirac [no]
169 --enable-libfaac enable FAAC support via libfaac [no]
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170 --enable-libgsm enable GSM support via libgsm [no]
171 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
172 --enable-libnut enable NUT (de)muxing via libnut,
173 native (de)muxer exists [no]
174 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
0f943ce6 175 --enable-librtmp enable RTMP[E] support via librtmp [no]
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176 --enable-libschroedinger enable Dirac support via libschroedinger [no]
177 --enable-libspeex enable Speex decoding via libspeex [no]
178 --enable-libtheora enable Theora encoding via libtheora [no]
179 --enable-libvorbis enable Vorbis encoding via libvorbis,
180 native implementation exists [no]
8299a7f8 181 --enable-libvpx enable VP8 support via libvpx [no]
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182 --enable-libx264 enable H.264 encoding via x264 [no]
183 --enable-libxvid enable Xvid encoding via xvidcore,
184 native MPEG-4/Xvid encoder exists [no]
185 --enable-mlib enable Sun medialib [no]
186 --enable-zlib enable zlib [autodetect]
187
188Advanced options (experts only):
189 --source-path=PATH path to source code [$source_path]
190 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
191 --enable-cross-compile assume a cross-compiler is used
192 --sysroot=PATH root of cross-build tree
193 --sysinclude=PATH location of cross-build system headers
194 --target-os=OS compiler targets OS [$target_os]
195 --target-exec=CMD command to run executables on target
196 --target-path=DIR path to view of build directory on target
197 --nm=NM use nm tool
121d78d0 198 --ar=AR use archive tool AR [$ar_default]
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199 --as=AS use assembler AS [$as_default]
200 --cc=CC use C compiler CC [$cc_default]
201 --ld=LD use linker LD
202 --host-cc=HOSTCC use host C compiler HOSTCC
203 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
204 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
205 --host-libs=HLIBS use libs HLIBS when linking for host
206 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
207 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208 --extra-libs=ELIBS add ELIBS [$ELIBS]
209 --extra-version=STRING version string suffix []
210 --build-suffix=SUFFIX library name suffix []
211 --arch=ARCH select architecture [$arch]
212 --cpu=CPU select the minimum required CPU (affects
213 instruction selection, may crash on older CPUs)
c8a4ae00 214 --disable-asm disable all assembler optimizations
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215 --disable-altivec disable AltiVec optimizations
216 --disable-amd3dnow disable 3DNow! optimizations
217 --disable-amd3dnowext disable 3DNow! extended optimizations
218 --disable-mmx disable MMX optimizations
219 --disable-mmx2 disable MMX2 optimizations
220 --disable-sse disable SSE optimizations
221 --disable-ssse3 disable SSSE3 optimizations
222 --disable-armv5te disable armv5te optimizations
223 --disable-armv6 disable armv6 optimizations
224 --disable-armv6t2 disable armv6t2 optimizations
225 --disable-armvfp disable ARM VFP optimizations
226 --disable-iwmmxt disable iwmmxt optimizations
227 --disable-mmi disable MMI optimizations
228 --disable-neon disable neon optimizations
229 --disable-vis disable VIS optimizations
230 --disable-yasm disable use of yasm assembler
231 --enable-pic build position-independent code
4ae40685 232 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 233 --enable-sram allow use of on-chip SRAM
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234
235Developer options (useful when working on FFmpeg itself):
236 --disable-debug disable debugging symbols
237 --enable-debug=LEVEL set the debug level [$debuglevel]
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238 --disable-optimizations disable compiler optimizations
239 --enable-extra-warnings enable more compiler warnings
240 --disable-stripping disable stripping of executables and shared libraries
2fad0977 241 --samples=PATH location of test samples for FATE
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242
243NOTE: Object files are built at the place where configure is launched.
244EOF
60e8bc13 245 exit 0
74c53c2d 246}
cf9d24ad 247
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248quotes='""'
249
57bd82d4 250log(){
2270b4b2 251 echo "$@" >> $logfile
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252}
253
720c69da 254log_file(){
c8e9f801 255 log BEGIN $1
2270b4b2 256 pr -n -t $1 >> $logfile
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257 log END $1
258}
259
2ba042a7 260echolog(){
c8e9f801 261 log "$@"
57bd82d4 262 echo "$@"
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263}
264
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265warn(){
266 log "WARNING: $*"
267 WARNINGS="${WARNINGS}WARNING: $*\n"
268}
269
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270die(){
271 echolog "$@"
272 cat <<EOF
d326cf7f 273
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274If you think configure made a mistake, make sure you are using the latest
275version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 276ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 277EOF
e155a21a 278 if disabled logging; then
2ba042a7 279 cat <<EOF
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280Rerun configure with logging enabled (do not use --disable-logging), and
281include the log this produces with your report.
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282EOF
283 else
284cat <<EOF
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285Include the log file "$logfile" produced by configure as this will help
286solving the problem.
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287EOF
288 fi
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289 exit 1
290}
291
6c6007d6 292# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 293toupper(){
6c6007d6 294 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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295}
296
4a5444db 297tolower(){
6c6007d6 298 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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299}
300
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301c_escape(){
302 echo "$*" | sed 's/["\\]/\\\0/g'
303}
304
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305sh_quote(){
306 v=$(echo "$1" | sed "s/'/'\\\\''/g")
307 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
308 echo "$v"
309}
310
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311filter(){
312 pat=$1
313 shift
314 for v; do
98ef6079 315 eval "case $v in $pat) echo $v ;; esac"
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316 done
317}
318
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319map(){
320 m=$1
321 shift
e0e335a0 322 for v; do eval $m; done
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323}
324
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325set_all(){
326 value=$1
327 shift
328 for var in $*; do
329 eval $var=$value
330 done
331}
332
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333set_weak(){
334 value=$1
335 shift
336 for var; do
337 eval : \${$var:=$value}
338 done
339}
340
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341pushvar(){
342 for var in $*; do
343 eval level=\${${var}_level:=0}
344 eval ${var}_${level}="\$$var"
345 eval ${var}_level=$(($level+1))
346 done
347}
348
349popvar(){
350 for var in $*; do
351 eval level=\${${var}_level:-0}
352 test $level = 0 && continue
353 eval level=$(($level-1))
354 eval $var="\${${var}_${level}}"
355 eval ${var}_level=$level
356 eval unset ${var}_${level}
357 done
358}
359
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360enable(){
361 set_all yes $*
362}
363
364disable(){
365 set_all no $*
366}
367
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368enable_weak(){
369 set_weak yes $*
370}
371
372disable_weak(){
373 set_weak no $*
374}
375
72702705 376enable_safe(){
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377 for var; do
378 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
379 done
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380}
381
382disable_safe(){
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383 for var; do
384 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
385 done
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386}
387
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388do_enable_deep(){
389 for var; do
390 enabled $var && continue
391 eval sel="\$${var}_select"
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392 eval sgs="\$${var}_suggest"
393 pushvar var sgs
f9d328da 394 enable_deep $sel
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395 popvar sgs
396 enable_deep_weak $sgs
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397 popvar var
398 done
399}
400
401enable_deep(){
402 do_enable_deep $*
403 enable $*
404}
405
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406enable_deep_weak(){
407 do_enable_deep $*
408 enable_weak $*
409}
410
57bd82d4 411enabled(){
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412 test "${1#!}" = "$1" && op== || op=!=
413 eval test "x\$${1#!}" $op "xyes"
44161118
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414}
415
37970ebf 416disabled(){
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417 test "${1#!}" = "$1" && op== || op=!=
418 eval test "x\$${1#!}" $op "xno"
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419}
420
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421enabled_all(){
422 for opt; do
423 enabled $opt || return 1
424 done
425}
426
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427disabled_all(){
428 for opt; do
429 disabled $opt || return 1
430 done
431}
432
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433enabled_any(){
434 for opt; do
435 enabled $opt && return 0
436 done
437}
438
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439disabled_any(){
440 for opt; do
441 disabled $opt && return 0
442 done
f7b230a7 443 return 1
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444}
445
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446set_default(){
447 for opt; do
88268e94 448 eval : \${$opt:=\$${opt}_default}
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
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513print_enabled(){
514 test "$1" = -n && end=" " && shift || end="\n"
515 suf=$1
516 shift
517 for v; do
518 enabled $v && printf "%s$end" ${v%$suf};
519 done
520}
521
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522append(){
523 var=$1
524 shift
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525 eval "$var=\"\$$var $*\""
526}
527
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528prepend(){
529 var=$1
530 shift
531 eval "$var=\"$* \$$var\""
532}
533
50a334e4 534add_cppflags(){
caf458dd 535 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
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536}
537
57bd82d4 538add_cflags(){
caf458dd 539 append CFLAGS $($filter_cflags "$@")
57bd82d4
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540}
541
2f2e6c7c 542add_asflags(){
caf458dd 543 append ASFLAGS $($filter_asflags "$@")
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544}
545
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546add_ldflags(){
547 append LDFLAGS "$@"
548}
549
550add_extralibs(){
60361817 551 prepend extralibs "$@"
57bd82d4
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552}
553
b0cfb663 554check_cmd(){
b3cb5d51 555 log "$@"
2270b4b2 556 "$@" >> $logfile 2>&1
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557}
558
dcd479c0 559check_cc(){
57bd82d4 560 log check_cc "$@"
2270b4b2 561 cat > $TMPC
720c69da 562 log_file $TMPC
50a334e4 563 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
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564}
565
566check_cpp(){
567 log check_cpp "$@"
2270b4b2 568 cat > $TMPC
720c69da 569 log_file $TMPC
9e7f3277 570 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
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571}
572
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573check_as(){
574 log check_as "$@"
575 cat > $TMPC
576 log_file $TMPC
2f2e6c7c 577 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
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578}
579
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580check_asm(){
581 log check_asm "$@"
582 name="$1"
3784e82e 583 code="$2"
940f335a 584 shift 2
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585 disable $name
586 check_as "$@" <<EOF && enable $name
3784e82e 587void foo(void){ __asm__ volatile($code); }
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588EOF
589}
590
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591check_yasm(){
592 log check_yasm "$@"
593 echo "$1" > $TMPS
594 log_file $TMPS
595 shift 1
596 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
597}
598
dcd479c0 599check_ld(){
57bd82d4 600 log check_ld "$@"
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601 flags=''
602 libs=''
603 for f; do
604 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
605 done
2a194acd 606 check_cc $($filter_cflags $flags) || return
684b28e0 607 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
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608}
609
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610check_cppflags(){
611 log check_cppflags "$@"
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612 set -- $($filter_cppflags "$@")
613 check_cc "$@" <<EOF && append CPPFLAGS "$@"
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614int x;
615EOF
616}
617
dcd479c0 618check_cflags(){
57bd82d4 619 log check_cflags "$@"
caf458dd
MR
620 set -- $($filter_cflags "$@")
621 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
622int x;
623EOF
624}
625
2ed46eea
MR
626test_ldflags(){
627 log test_ldflags "$@"
628 check_ld "$@" <<EOF
c23a0ac8 629int main(void){ return 0; }
dcd479c0
MR
630EOF
631}
632
2ed46eea
MR
633check_ldflags(){
634 log check_ldflags "$@"
635 test_ldflags "$@" && add_ldflags "$@"
636}
637
dcd479c0 638check_header(){
57bd82d4 639 log check_header "$@"
dcd479c0
MR
640 header=$1
641 shift
b77df637
MR
642 disable_safe $header
643 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
644#include <$header>
645int x;
646EOF
647}
648
649check_func(){
57bd82d4 650 log check_func "$@"
dcd479c0
MR
651 func=$1
652 shift
d8bc5f06
MR
653 disable $func
654 check_ld "$@" <<EOF && enable $func
dcd479c0 655extern int $func();
c23a0ac8 656int main(void){ $func(); }
dcd479c0
MR
657EOF
658}
659
645d2652 660check_mathfunc(){
6b73c0ae 661 log check_mathfunc "$@"
645d2652
MR
662 func=$1
663 shift
664 disable $func
665 check_ld "$@" <<EOF && enable $func
666#include <math.h>
33bd38db
MR
667float foo(float f) { return $func(f); }
668int main(void){ return 0; }
645d2652
MR
669EOF
670}
671
2446d3d6
DB
672check_func_headers(){
673 log check_func_headers "$@"
f8d7b072
MR
674 headers=$1
675 func=$2
676 shift 2
677 disable $func
678 incs=""
679 for hdr in $headers; do
680 incs="$incs
681#include <$hdr>"
682 done
cd0d9a9d 683 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 684$incs
d6773f56 685int main(int argc, char **argv){
2b2c2a81 686 return (long) $func;
f8d7b072
MR
687}
688EOF
689}
690
a5344cf7
SS
691check_cpp_condition(){
692 log check_cpp_condition "$@"
693 header=$1
694 condition=$2
f855b7b9
MR
695 shift 2
696 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
697#include <$header>
698#if !($condition)
699#error "unsatisfied condition: $condition"
700#endif
701EOF
702}
703
57bd82d4
MR
704check_lib(){
705 log check_lib "$@"
706 header="$1"
707 func="$2"
708 shift 2
84400e9d 709 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
710}
711
f8d7b072
MR
712check_lib2(){
713 log check_lib2 "$@"
714 headers="$1"
715 func="$2"
716 shift 2
300cde27 717 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
718}
719
dcd479c0 720check_exec(){
2270b4b2 721 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
722}
723
7dfef245 724check_exec_crash(){
5e622c40 725 code=$(cat)
7dfef245
MR
726
727 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
728 # are safe but may not be available everywhere. Thus we use
729 # raise(SIGTERM) instead. The check is run in a subshell so we
730 # can redirect the "Terminated" message from the shell. SIGBUS
731 # is not defined by standard C so it is used conditionally.
732
2270b4b2 733 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
734#include <signal.h>
735static void sighandler(int sig){
736 raise(SIGTERM);
737}
e5af4a11 738int main(void){
7dfef245
MR
739 signal(SIGILL, sighandler);
740 signal(SIGFPE, sighandler);
741 signal(SIGSEGV, sighandler);
742#ifdef SIGBUS
743 signal(SIGBUS, sighandler);
744#endif
745 { $code }
746}
747EOF
748}
749
72be9e73
DY
750check_type(){
751 log check_type "$@"
752 headers=$1
753 type=$2
754 shift 2
ae550ce9 755 disable_safe "$type"
72be9e73
DY
756 incs=""
757 for hdr in $headers; do
758 incs="$incs
759#include <$hdr>"
760 done
ae550ce9 761 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
762$incs
763$type v;
764EOF
765}
766
14d36751
MR
767check_struct(){
768 log check_type "$@"
769 headers=$1
770 struct=$2
771 member=$3
772 shift 3
773 disable_safe "${struct}_${member}"
774 incs=""
775 for hdr in $headers; do
776 incs="$incs
777#include <$hdr>"
778 done
779 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
780$incs
781const void *p = &(($struct *)0)->$member;
782EOF
783}
784
57bd82d4
MR
785require(){
786 name="$1"
787 header="$2"
788 func="$3"
789 shift 3
790 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
791}
792
f8d7b072
MR
793require2(){
794 name="$1"
795 headers="$2"
796 func="$3"
797 shift 3
798 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
799}
800
f0125de9
MR
801check_host_cc(){
802 log check_host_cc "$@"
803 cat > $TMPC
804 log_file $TMPC
805 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
806}
807
808check_host_cflags(){
809 log check_host_cflags "$@"
810 check_host_cc "$@" <<EOF && append host_cflags "$@"
811int x;
812EOF
813}
814
c505dd31
MR
815apply(){
816 file=$1
817 shift
818 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
819}
820
c34681df
MR
821cp_if_changed(){
822 cmp -s "$1" "$2" &&
823 echo "$2 is unchanged" ||
824 cp -f "$1" "$2"
825}
826
dcd61286
DB
827# CONFIG_LIST contains configurable options, while HAVE_LIST is for
828# system-dependent things.
829
4a0d6686
AJ
830COMPONENT_LIST="
831 bsfs
832 decoders
833 demuxers
834 encoders
3cde40aa 835 filters
5666fd73 836 hwaccels
c552605c 837 indevs
4a0d6686 838 muxers
c552605c 839 outdevs
4a0d6686
AJ
840 parsers
841 protocols
842"
843
844CONFIG_LIST="
845 $COMPONENT_LIST
e8ed9b7a 846 aandct
5a0f7131
MR
847 avcodec
848 avdevice
f7679c54
VS
849 avfilter
850 avfilter_lavf
5a0f7131 851 avformat
c88f5d72 852 avisynth
f402916e 853 bzlib
7f3f5f46 854 dct
c73f65d9 855 doc
05aec7bb 856 dwt
92c6a099 857 dxva2
27a9466b 858 fastdiv
c88f5d72
MR
859 ffmpeg
860 ffplay
336ce917 861 ffprobe
c88f5d72 862 ffserver
1848f7d9 863 fft
4f034993 864 golomb
c88f5d72 865 gpl
d8d0d0b2 866 gray
4693b031 867 h264dsp
3abe5fbd 868 hardcoded_tables
f7b8bffe 869 libdc1394
690bfceb 870 libdirac
2eed5a46 871 libfaac
c88f5d72 872 libgsm
6ebe07fb 873 libmp3lame
c88f5d72 874 libnut
0b175caa
DB
875 libopencore_amrnb
876 libopencore_amrwb
9a77d59a 877 libopenjpeg
0f943ce6 878 librtmp
f7cd9eed 879 libschroedinger
ae14f311 880 libspeex
150d2772 881 libtheora
c88f5d72 882 libvorbis
8299a7f8 883 libvpx
1cc60c47
DB
884 libx264
885 libxvid
f4d608e3 886 lpc
b781cc12 887 lsp
47a158cb 888 mdct
c88f5d72 889 memalign_hack
a8150374 890 mlib
c88f5d72
MR
891 mpegaudio_hp
892 network
3fe142e2 893 nonfree
8a3c8627 894 pic
4a24ab64 895 postproc
68602540 896 rdft
e90f5b5a 897 runtime_cpudetect
2e35e684 898 shared
bd2216e4 899 small
6b35d421 900 sram
2e35e684 901 static
5a0f7131 902 swscale
a9ddb5b1 903 swscale_alpha
17492d5e
DB
904 vaapi
905 vdpau
9cad0e4e 906 version3
56a059ac 907 x11grab
c88f5d72 908 zlib
4a0d6686 909"
c88f5d72 910
8eee7025 911THREADS_LIST='
8eee7025
DB
912 pthreads
913 w32threads
914'
915
3f5b56e5
MR
916ARCH_LIST='
917 alpha
a2fc0f6a 918 arm
fdcd782d
MR
919 avr32
920 avr32_ap
921 avr32_uc
3f5b56e5
MR
922 bfin
923 ia64
924 m68k
925 mips
bae3abb0 926 mips64
3f5b56e5 927 parisc
79cb09b2 928 ppc
34d11b87 929 ppc64
3f5b56e5
MR
930 s390
931 sh4
932 sparc
933 sparc64
0844bae1 934 tomi
3f5b56e5
MR
935 x86
936 x86_32
937 x86_64
938'
939
940ARCH_EXT_LIST='
1ac9331a 941 altivec
3bf96eec 942 amd3dnow
a1ef9f08 943 amd3dnowext
1ac9331a 944 armv5te
edab3048 945 armv6
ab5cb084 946 armv6t2
f55b299a 947 armvfp
3f5b56e5
MR
948 iwmmxt
949 mmi
950 mmx
d7f0920b 951 mmx2
6b18d278 952 neon
799fde37 953 ppc4xx
1bb04d5a 954 sse
9eeed841 955 ssse3
bd9d34a0 956 vis
3f5b56e5
MR
957'
958
a3e02a8c
MR
959HAVE_LIST_PUB='
960 bigendian
961'
962
3f5b56e5
MR
963HAVE_LIST="
964 $ARCH_EXT_LIST
a3e02a8c 965 $HAVE_LIST_PUB
3f5b56e5 966 $THREADS_LIST
35fd8122 967 alsa_asoundlib_h
3f5b56e5 968 altivec_h
c9fdab0d 969 arpa_inet_h
dffb41b9 970 attribute_may_alias
e7ea5e3d 971 attribute_packed
6bd859d6 972 bswap
ecf97f22 973 closesocket
1ac9331a 974 cmov
e16e49ac 975 conio_h
c88f5d72 976 dcbzl
f8aa696f
DB
977 dev_bktr_ioctl_bt848_h
978 dev_bktr_ioctl_meteor_h
979 dev_ic_bt8xx_h
980 dev_video_meteor_ioctl_meteor_h
981 dev_video_bktr_ioctl_bt848_h
18b67ae5 982 dlfcn_h
c88f5d72 983 dlopen
bc574408 984 dos_paths
245626d0
DB
985 ebp_available
986 ebx_available
6b7c7703
VS
987 exp2
988 exp2f
c2a29455 989 fast_64bit
669b5583 990 fast_clz
7073e9fc 991 fast_cmov
7b829d2a 992 fast_unaligned
534a2231 993 fcntl
9d99cc5a 994 fork
84882df6 995 getaddrinfo
da9e86f8 996 gethrtime
fc5607f8 997 GetProcessMemoryInfo
4e68cb8a 998 GetProcessTimes
66be5b45 999 getrusage
a49d3025 1000 gnu_as
fc5607f8 1001 struct_rusage_ru_maxrss
2f0c136e 1002 ibm_asm
2e1913b1 1003 inet_aton
61d251db 1004 inline_asm
abfc8d05 1005 isatty
9f5ff83f 1006 ldbrx
0b4a1821
AS
1007 libdc1394_1
1008 libdc1394_2
a33cab3a 1009 llrint
07876e25 1010 llrintf
d96cd429
MR
1011 local_aligned_16
1012 local_aligned_8
291fd18a 1013 log2
6b7c7703 1014 log2f
85dd97ad 1015 loongson
a33cab3a 1016 lrint
c88f5d72 1017 lrintf
e4673692 1018 lzo1x_999_compress
f8aa696f
DB
1019 machine_ioctl_bt848_h
1020 machine_ioctl_meteor_h
c88f5d72
MR
1021 malloc_h
1022 memalign
6ffa87d3 1023 mkstemp
b4e806b2 1024 pld
1f91cdce 1025 posix_memalign
a33cab3a
MK
1026 round
1027 roundf
c88f5d72
MR
1028 sdl
1029 sdl_video_size
b507ebd1 1030 setmode
72be9e73 1031 socklen_t
deb29777 1032 soundcard_h
f8cda19e 1033 poll_h
0104b608 1034 setrlimit
87958234 1035 strerror_r
c0018613 1036 struct_addrinfo
b4d68544
MS
1037 struct_ipv6_mreq
1038 struct_sockaddr_in6
3b2372bf 1039 struct_sockaddr_sa_len
33a4dbdd 1040 struct_sockaddr_storage
b462d132
MR
1041 symver
1042 symver_gnu_asm
1043 symver_asm_label
b58412f1 1044 sys_mman_h
b091aa44 1045 sys_resource_h
81644c2e 1046 sys_select_h
deb29777 1047 sys_soundcard_h
1b6e8b73 1048 sys_videoio_h
d3a4b4e0 1049 ten_operands
e16e49ac 1050 termios_h
b265431e 1051 threads
7b04b8a0 1052 truncf
ce742de2 1053 vfp_args
7c5bfe7a 1054 VirtualAlloc
6ff3f3e7 1055 winsock2_h
cc078b5d 1056 xform_asm
304d586d 1057 yasm
0cb78cef 1058"
44161118 1059
b6bb00b0
MR
1060# options emitted with CONFIG_ prefix but not available on command line
1061CONFIG_EXTRA="
dc4f5a1c 1062 avutil
9cad0e4e
DB
1063 gplv3
1064 lgplv3
b6bb00b0
MR
1065"
1066
520cc7f1 1067CMDLINE_SELECT="
3f5b56e5 1068 $ARCH_EXT_LIST
520cc7f1 1069 $CONFIG_LIST
8eee7025 1070 $THREADS_LIST
c8a4ae00 1071 asm
db6107b6 1072 cross_compile
520cc7f1
MR
1073 debug
1074 extra_warnings
8c6afa4d 1075 logging
d2bbb2f7 1076 optimizations
87a0fb62 1077 stripping
7595a5e4 1078 yasm
520cc7f1 1079"
426be5dc
DB
1080
1081PATHS_LIST='
d156bede 1082 bindir
14a8acf1 1083 datadir
26759c44
MR
1084 incdir
1085 libdir
26759c44
MR
1086 mandir
1087 prefix
1088 shlibdir
426be5dc
DB
1089'
1090
1091CMDLINE_SET="
1092 $PATHS_LIST
121d78d0 1093 ar
426be5dc 1094 arch
313c46a6 1095 as
426be5dc
DB
1096 build_suffix
1097 cc
1098 cpu
1099 cross_prefix
50567afa 1100 dep_cc
ac63af34 1101 extra_version
9da6609f
MR
1102 host_cc
1103 host_cflags
1104 host_ldflags
1105 host_libs
82bb3329 1106 host_os
684b28e0 1107 ld
426be5dc 1108 logfile
4ae40685 1109 malloc_prefix
89641463 1110 nm
2fad0977 1111 samples
26759c44 1112 source_path
4f837398 1113 strip
c5200f17
MR
1114 sysinclude
1115 sysroot
a7ada2ba 1116 target_exec
26759c44 1117 target_os
a7ada2ba 1118 target_path
426be5dc 1119"
520cc7f1 1120
89f2932b
MR
1121CMDLINE_APPEND="
1122 extra_cflags
1123"
1124
912f3148
DB
1125# code dependency declarations
1126
9eeed841 1127# architecture extensions
808fa33c 1128
a2fc0f6a
MR
1129armv5te_deps="arm"
1130armv6_deps="arm"
ab5cb084 1131armv6t2_deps="arm"
a2fc0f6a
MR
1132armvfp_deps="arm"
1133iwmmxt_deps="arm"
808fa33c
MR
1134neon_deps="arm"
1135
e241ba14 1136mmi_deps="mips"
808fa33c
MR
1137
1138altivec_deps="ppc"
1139ppc4xx_deps="ppc"
1140
1141vis_deps="sparc"
1142
7f8c3d1f 1143x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1144amd3dnow_deps="mmx"
1145amd3dnowext_deps="amd3dnow"
9eeed841 1146mmx_deps="x86"
75aa95a6 1147mmx2_deps="mmx"
75aa95a6
DB
1148sse_deps="mmx"
1149ssse3_deps="sse"
9eeed841 1150
e939cedd 1151fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1152fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1153fast_unaligned_if_any="armv6 ppc x86"
669b5583 1154
89e053f8 1155need_memalign="altivec neon sse"
6fec122a 1156inline_asm_deps="!tms470"
89e053f8 1157
b462d132
MR
1158symver_if_any="symver_asm_label symver_gnu_asm"
1159
26fbcc85
MR
1160# subsystems
1161mdct_select="fft"
1162rdft_select="fft"
1163
5666fd73 1164# decoders / encoders / hardware accelerators
49351479 1165aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1166aac_encoder_select="mdct"
1167ac3_decoder_select="mdct ac3_parser"
f4d608e3 1168alac_encoder_select="lpc"
b781cc12 1169amrnb_decoder_select="lsp"
084cbbaa 1170atrac1_decoder_select="mdct"
26fbcc85
MR
1171atrac3_decoder_select="mdct"
1172binkaudio_dct_decoder_select="mdct rdft dct"
1173binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1174cavs_decoder_select="golomb"
26fbcc85 1175cook_decoder_select="mdct"
2eef7c62 1176cscd_decoder_suggest="zlib"
26fbcc85 1177dca_decoder_select="mdct"
e8ed9b7a 1178dnxhd_encoder_select="aandct"
2eef7c62 1179dxa_decoder_select="zlib"
baf91bb9 1180eac3_decoder_select="ac3_decoder"
84c04e25 1181eamad_decoder_select="aandct"
e8ed9b7a 1182eatgq_decoder_select="aandct"
d52b39c7 1183eatqi_decoder_select="aandct"
4f034993
MR
1184ffv1_decoder_select="golomb"
1185flac_decoder_select="golomb"
f4d608e3 1186flac_encoder_select="golomb lpc"
2eef7c62
AJ
1187flashsv_decoder_select="zlib"
1188flashsv_encoder_select="zlib"
4414137e 1189flv_decoder_select="h263_decoder"
4d4b4bd1 1190flv_encoder_select="h263_encoder"
e8ed9b7a 1191h261_encoder_select="aandct"
7f647ae0 1192h263_decoder_select="h263_parser"
e8ed9b7a 1193h263_encoder_select="aandct"
95a61cfc 1194h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1195h263i_decoder_select="h263_decoder"
fe629c2d 1196h263p_encoder_select="h263_encoder"
4693b031 1197h264_decoder_select="golomb h264dsp"
92c6a099
LA
1198h264_dxva2_hwaccel_deps="dxva2api_h"
1199h264_dxva2_hwaccel_select="dxva2 h264_decoder"
17492d5e 1200h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1201h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1202imc_decoder_select="fft mdct"
4f034993
MR
1203jpegls_decoder_select="golomb"
1204jpegls_encoder_select="golomb"
e8ed9b7a 1205ljpeg_encoder_select="aandct"
4f034993 1206loco_decoder_select="golomb"
e8ed9b7a 1207mjpeg_encoder_select="aandct"
2cca233b 1208mlp_decoder_select="mlp_parser"
d9da8f10
AJ
1209mp1float_decoder_select="dct"
1210mp2float_decoder_select="dct"
1211mp3adufloat_decoder_select="dct"
1212mp3float_decoder_select="dct"
1213mp3on4float_decoder_select="dct"
e8ed9b7a
DB
1214mpeg1video_encoder_select="aandct"
1215mpeg2video_encoder_select="aandct"
4414137e 1216mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1217mpeg4_encoder_select="h263_encoder"
95a61cfc 1218mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1219mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
164aab02
LA
1220mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1221mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1222mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
95a61cfc 1223mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1224mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1225mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1226mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1227msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1228msmpeg4v1_encoder_select="h263_encoder"
4414137e 1229msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1230msmpeg4v2_encoder_select="h263_encoder"
4414137e 1231msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1232msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1233nellymoser_decoder_select="mdct"
1234nellymoser_encoder_select="mdct"
2eef7c62
AJ
1235png_decoder_select="zlib"
1236png_encoder_select="zlib"
b781cc12 1237qcelp_decoder_select="lsp"
26fbcc85 1238qdm2_decoder_select="mdct rdft"
31ed3f1f 1239ra_144_encoder_select="lpc"
a8beb22f 1240rv10_decoder_select="h263_decoder"
b2bf38b4 1241rv10_encoder_select="h263_encoder"
a8beb22f 1242rv20_decoder_select="h263_decoder"
b2bf38b4 1243rv20_encoder_select="h263_encoder"
4693b031
MR
1244rv30_decoder_select="golomb h264dsp"
1245rv40_decoder_select="golomb h264dsp"
4f034993 1246shorten_decoder_select="golomb"
b781cc12 1247sipr_decoder_select="lsp"
05aec7bb
MR
1248snow_decoder_select="dwt"
1249snow_encoder_select="aandct dwt"
4f034993
MR
1250sonic_decoder_select="golomb"
1251sonic_encoder_select="golomb"
1252sonic_ls_encoder_select="golomb"
19ecfb8a 1253svq1_encoder_select="aandct"
4693b031 1254svq3_decoder_select="golomb h264dsp"
bee2eac5 1255svq3_decoder_suggest="zlib"
4eef77c1 1256theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1257tiff_decoder_suggest="zlib"
1258tiff_encoder_suggest="zlib"
aec09a00 1259truehd_decoder_select="mlp_decoder"
2eef7c62 1260tscc_decoder_select="zlib"
b781cc12 1261twinvq_decoder_select="mdct lsp"
f95bfab0 1262vc1_decoder_select="h263_decoder"
9104cd51 1263vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1264vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1265vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1266vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1267vorbis_decoder_select="mdct"
1268vorbis_encoder_select="mdct"
e82dc4c9
DB
1269vp6a_decoder_select="vp6_decoder"
1270vp6f_decoder_select="vp6_decoder"
0912db02 1271vp8_decoder_select="h264dsp"
084cbbaa 1272wmapro_decoder_select="mdct"
26fbcc85
MR
1273wmav1_decoder_select="mdct"
1274wmav1_encoder_select="mdct"
1275wmav2_decoder_select="mdct"
1276wmav2_encoder_select="mdct"
df0a6d0d 1277wmavoice_decoder_select="lsp rdft dct mdct"
f95bfab0 1278wmv1_decoder_select="h263_decoder"
665507aa 1279wmv1_encoder_select="h263_encoder"
f95bfab0 1280wmv2_decoder_select="h263_decoder"
1746e2a9 1281wmv2_encoder_select="h263_encoder"
015f8ee0 1282wmv3_decoder_select="vc1_decoder"
f0f86627 1283wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1284wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1285wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1286zlib_decoder_select="zlib"
1287zlib_encoder_select="zlib"
1288zmbv_decoder_select="zlib"
1289zmbv_encoder_select="zlib"
30fd06be 1290
0afab17e 1291vaapi_deps="va_va_h"
c89c96e9
MR
1292vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1293
28b80940 1294# parsers
4693b031 1295h264_parser_select="golomb h264dsp"
28b80940 1296
f1e94694
DB
1297# bitstream_filters
1298aac_adtstoasc_bsf_select="aac_parser"
1299
912f3148 1300# external libraries
1b71f045 1301libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1302libdirac_encoder_deps="libdirac"
c9171a83 1303libfaac_encoder_deps="libfaac"
299c77d5
MR
1304libgsm_decoder_deps="libgsm"
1305libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1306libgsm_ms_decoder_deps="libgsm"
1307libgsm_ms_encoder_deps="libgsm"
1cc60c47 1308libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1309libopencore_amrnb_decoder_deps="libopencore_amrnb"
1310libopencore_amrnb_encoder_deps="libopencore_amrnb"
1311libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1312libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1313libschroedinger_decoder_deps="libschroedinger"
1314libschroedinger_encoder_deps="libschroedinger"
ae14f311 1315libspeex_decoder_deps="libspeex"
150d2772 1316libtheora_encoder_deps="libtheora"
b0caf888 1317libvorbis_encoder_deps="libvorbis"
8299a7f8 1318libvpx_decoder_deps="libvpx"
ee0e9146 1319libvpx_encoder_deps="libvpx"
1cc60c47
DB
1320libx264_encoder_deps="libx264"
1321libxvid_encoder_deps="libxvid"
30fd06be 1322
912f3148 1323# demuxers / muxers
03a76ba9 1324ac3_demuxer_deps="ac3_parser"
647c2356 1325asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1326avisynth_demuxer_deps="avisynth"
1327dirac_demuxer_deps="dirac_parser"
5b423887 1328eac3_demuxer_select="ac3_parser"
647c2356 1329ipod_muxer_select="mov_muxer"
4e622dea
SS
1330libnut_demuxer_deps="libnut"
1331libnut_muxer_deps="libnut"
647c2356 1332matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1333matroska_demuxer_suggest="zlib bzlib"
1334mov_demuxer_suggest="zlib"
1335mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1336mp4_muxer_select="mov_muxer"
1337mpegtsraw_demuxer_select="mpegts_demuxer"
1338mxf_d10_muxer_select="mxf_muxer"
24ca518b 1339ogg_demuxer_select="golomb"
647c2356 1340psp_muxer_select="mov_muxer"
4e622dea 1341rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1342rtsp_muxer_deps="sdp_demuxer"
1343rtsp_muxer_select="rtp_muxer"
4e622dea 1344sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1345sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1346spdif_muxer_select="aac_parser"
647c2356
DB
1347tg2_muxer_select="mov_muxer"
1348tgp_muxer_select="mov_muxer"
6bdaa5f4 1349w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1350
1351# indevs / outdevs
38e54a75
SS
1352alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1353alsa_indev_extralibs="-lasound"
1354alsa_outdev_deps="alsa_asoundlib_h"
1355alsa_outdev_extralibs="-lasound"
38e54a75 1356bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1357dv1394_indev_deps="dv1394 dv_demuxer"
1358jack_indev_deps="jack_jack_h"
1359jack_indev_extralibs="-ljack"
1360libdc1394_indev_deps="libdc1394"
38e54a75
SS
1361oss_indev_deps_any="soundcard_h sys_soundcard_h"
1362oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1363v4l_indev_deps="linux_videodev_h"
1364v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1365vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1366vfwcap_indev_extralibs="-lavicap32"
38e54a75 1367x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1368x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1369
912f3148 1370# protocols
3fff6382 1371gopher_protocol_deps="network"
c08fb000 1372http_protocol_deps="network"
279a0c97 1373http_protocol_select="tcp_protocol"
b4cf3f6c 1374mmst_protocol_deps="network"
deeb7012
MS
1375rtmp_protocol_select="tcp_protocol"
1376rtp_protocol_select="udp_protocol"
c08fb000
AB
1377tcp_protocol_deps="network"
1378udp_protocol_deps="network"
1379
f7679c54 1380# filters
81124ba0 1381movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1382avfilter_lavf_deps="avformat"
1383
1384# libraries
1385avdevice_deps="avcodec avformat"
1386avformat_deps="avcodec"
f7679c54 1387
912f3148 1388# programs
5a0f7131 1389ffmpeg_deps="avcodec avformat swscale"
21ae6790 1390ffmpeg_select="buffer_filter"
5a0f7131 1391ffplay_deps="avcodec avformat swscale sdl"
43689902 1392ffplay_select="rdft"
336ce917 1393ffprobe_deps="avcodec avformat"
5a0f7131 1394ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1395ffserver_extralibs='$ldl'
a2830dca 1396
c73f65d9 1397doc_deps="texi2html"
912f3148 1398
de6d9b64 1399# default parameters
8a608357 1400
19bd477d 1401logfile="config.log"
8a608357
MR
1402
1403# installation paths
c9d19248
MR
1404prefix_default="/usr/local"
1405bindir_default='${prefix}/bin'
14a8acf1 1406datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1407incdir_default='${prefix}/include'
1408libdir_default='${prefix}/lib'
1409mandir_default='${prefix}/share/man'
1410shlibdir_default="$libdir_default"
8a608357
MR
1411
1412# toolchain
121d78d0 1413ar_default="ar"
13c7df3d 1414cc_default="gcc"
a3d7c197 1415cc_version=\"unknown\"
9da6609f 1416host_cc_default="gcc"
11e6d03a 1417ln_s="ln -sf"
89641463 1418nm_default="nm"
11e6d03a 1419objformat="elf"
be7109c1 1420ranlib="ranlib"
4f837398 1421strip_default="strip"
11e6d03a 1422yasmexe="yasm"
301ab19d 1423nogas=":"
8a608357 1424
8182dc34
MR
1425nm_opts='-g'
1426
8a608357 1427# machine
8d4c00ed 1428arch_default=$(uname -m)
38d0a8aa 1429cpu="generic"
8a608357 1430
8a608357 1431# OS
8d4c00ed
MR
1432target_os_default=$(tolower $(uname -s))
1433host_os=$target_os_default
8a608357 1434
8a608357 1435# configurable options
5a0f7131
MR
1436enable avcodec
1437enable avdevice
cccc039f 1438enable avfilter
5a0f7131 1439enable avformat
dc4f5a1c 1440enable avutil
c8a4ae00 1441enable asm
497237c7 1442enable debug
c73f65d9 1443enable doc
aa033b1e 1444enable fastdiv
497237c7
RP
1445enable ffmpeg
1446enable ffplay
336ce917 1447enable ffprobe
497237c7 1448enable ffserver
497237c7
RP
1449enable mpegaudio_hp
1450enable network
8400d6b8 1451enable optimizations
497237c7 1452enable protocols
530dc538 1453enable static
87a0fb62 1454enable stripping
5a0f7131 1455enable swscale
a9ddb5b1 1456enable swscale_alpha
8a608357 1457
8a608357 1458# build settings
9987769a 1459SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1460FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1461LIBPREF="lib"
1462LIBSUF=".a"
c5f14466
RP
1463FULLNAME='$(NAME)$(BUILDSUF)'
1464LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1465SLIBPREF="lib"
1466SLIBSUF=".so"
c5f14466 1467SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1468SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1469SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1470LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1471
7e6c86e6
MR
1472CC_O='-o $@'
1473
f0125de9 1474host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1475host_libs='-lm'
1476
9b861379 1477target_path='$(CURDIR)'
a7ada2ba 1478
a158446b
MR
1479# since the object filename is not given with the -MM flag, the compiler
1480# is only able to print the basename, and we must add the path ourselves
c1c3933a 1481DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1482DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1483
c597172e 1484# find source path
5e622c40 1485source_path="$(dirname "$0")"
497237c7 1486enable source_path_used
24524f36 1487if test -f configure; then
5e622c40 1488 source_path="$(pwd)"
497237c7 1489 disable source_path_used
c597172e 1490else
5e622c40 1491 source_path="$(cd "$source_path"; pwd)"
c597172e 1492 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1493 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1494 test -e "$source_path/config.h" &&
1495 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1496fi
1497
13cbe2c0 1498for v in "$@"; do
b04251c5
MR
1499 r=${v#*=}
1500 l=${v%"$r"}
1501 r=$(sh_quote "$r")
13cbe2c0
MR
1502 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1503done
c597172e 1504
73ef8980
MR
1505find_things(){
1506 thing=$1
1507 pattern=$2
1508 file=$source_path/$3
932ccf39 1509 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1510}
1511
1512ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1513DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1514HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1515PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1516BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1517MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1518DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1519OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1520INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1521PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1522FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1523
8469ae22
MR
1524for n in $COMPONENT_LIST; do
1525 v=$(toupper ${n%s})_LIST
1526 eval enable \$$v
1527 eval ${n}_if_any="\$$v"
1528done
1529
1530enable $ARCH_EXT_LIST
c597172e
MR
1531
1532die_unknown(){
1533 echo "Unknown option \"$1\"."
1534 echo "See $0 --help for available options."
1535 exit 1
1536}
1537
794f8e97 1538show_list() {
bf0c4afa
RP
1539 suffix=_$1
1540 shift
2b444ea7 1541 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1542 exit 0
1543}
1544
c597172e 1545for opt do
7483e694
DB
1546 optval="${opt#*=}"
1547 case "$opt" in
0f010b2f 1548 --extra-ldflags=*) add_ldflags $optval
7483e694 1549 ;;
0f010b2f 1550 --extra-libs=*) add_extralibs $optval
7483e694 1551 ;;
8fb1cb58 1552 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1553 ;;
40bcf4c7
BL
1554 --enable-debug=*) debuglevel="$optval"
1555 ;;
36e2dea0 1556 --disable-everything)
1b15dc3c 1557 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1558 ;;
7483e694 1559 --enable-*=*|--disable-*=*)
8b93ddc3 1560 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1561 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1562 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1563 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1564 $action $(filter "$name" $list)
7483e694
DB
1565 ;;
1566 --enable-?*|--disable-?*)
5e622c40 1567 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1568 if is_in $option $COMPONENT_LIST; then
fed5d54b 1569 test $action = disable && action=unset
e3773a55
MR
1570 eval $action \$$(toupper ${option%s})_LIST
1571 elif is_in $option $CMDLINE_SELECT; then
1572 $action $option
1573 else
1574 die_unknown $opt
1575 fi
7483e694
DB
1576 ;;
1577 --list-*)
1578 NAME="${opt#--list-}"
1579 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1580 NAME=${NAME%s}
1581 eval show_list $NAME \$$(toupper $NAME)_LIST
1582 ;;
1583 --help|-h) show_help
1584 ;;
1585 *)
884a36a7 1586 optname="${opt%%=*}"
26759c44
MR
1587 optname="${optname#--}"
1588 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1589 if is_in $optname $CMDLINE_SET; then
1590 eval $optname='$optval'
1591 elif is_in $optname $CMDLINE_APPEND; then
1592 append $optname "$optval"
1593 else
1594 die_unknown $opt
1595 fi
7483e694
DB
1596 ;;
1597 esac
c597172e
MR
1598done
1599
bcea99bb
MR
1600disabled logging && logfile=/dev/null
1601
13cbe2c0 1602echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1603set >> $logfile
1604
9da6609f
MR
1605test -n "$cross_prefix" && enable cross_compile
1606
8d4c00ed
MR
1607if enabled cross_compile; then
1608 test -n "$arch" && test -n "$target_os" ||
1609 die "Must specify target arch and OS when cross-compiling"
1610fi
1611
1612set_default arch target_os
1613
121d78d0 1614ar_default="${cross_prefix}${ar_default}"
11e6d03a 1615cc_default="${cross_prefix}${cc_default}"
20e0ed95 1616nm_default="${cross_prefix}${nm_default}"
adb2b908 1617ranlib="${cross_prefix}${ranlib}"
4f837398 1618strip_default="${cross_prefix}${strip_default}"
adb2b908 1619
c5200f17
MR
1620sysinclude_default="${sysroot}/usr/include"
1621
4f837398 1622set_default cc nm strip sysinclude
9da6609f
MR
1623enabled cross_compile || host_cc_default=$cc
1624set_default host_cc
13c7df3d 1625
82bb3329
MR
1626exesuf() {
1627 case $1 in
1628 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1629 esac
1630}
1631
1632EXESUF=$(exesuf $target_os)
1633HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1634
e4e69e0b 1635# set temporary file name
a49d42c2 1636: ${TMPDIR:=$TEMPDIR}
c51fafa1 1637: ${TMPDIR:=$TMP}
a49d42c2 1638: ${TMPDIR:=/tmp}
e4e69e0b 1639
54460a83
MR
1640if ! check_cmd type mktemp; then
1641 # simple replacement for missing mktemp
1642 # NOT SAFE FOR GENERAL USE
1643 mktemp(){
1644 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1645 }
1646fi
1647
1648tmpfile(){
1649 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1650 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1651 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1652 append TMPFILES $tmp
1653 eval $1=$tmp
1654}
1655
1656trap 'rm -f -- $TMPFILES' EXIT
1657trap exit HUP INT TERM
1658
1659tmpfile TMPC .c
1660tmpfile TMPE $EXESUF
1661tmpfile TMPH .h
1662tmpfile TMPO .o
1663tmpfile TMPS .S
a482e61b 1664tmpfile TMPV .ver
54460a83
MR
1665tmpfile TMPSH .sh
1666
1667unset -f mktemp
e4e69e0b 1668
993f2d0f
MR
1669# make sure we can execute files in $TMPDIR
1670cat > $TMPSH 2>> $logfile <<EOF
1671#! /bin/sh
1672EOF
1673chmod +x $TMPSH >> $logfile 2>&1
1674if ! $TMPSH >> $logfile 2>&1; then
1675 cat <<EOF
1676Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1677variable to another directory and make sure that it is not mounted noexec.
1678EOF
1679 die "Sanity test failed."
1680fi
993f2d0f 1681
19b4c628
MR
1682filter_cflags=echo
1683filter_cppflags=echo
1684filter_asflags=echo
1685
8f0c157a 1686if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1687 cc_type=gcc
a3d7c197 1688 cc_version=__VERSION__
aef6bd1b
MR
1689 if ! $cc -dumpversion | grep -q '^2\.'; then
1690 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1691 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1692 fi
14ca9cd0
MR
1693 speed_cflags='-O3'
1694 size_cflags='-Os'
629687f6
MR
1695elif $cc --version 2>/dev/null | grep -q Intel; then
1696 cc_type=icc
6e3fa35d 1697 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1698 CC_DEPFLAGS='-MMD'
1699 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1700 speed_cflags='-O3'
1701 size_cflags='-Os'
b05394a0 1702 noopt_cflags='-O1'
629687f6
MR
1703elif $cc -v 2>&1 | grep -q xlc; then
1704 cc_type=xlc
6e3fa35d 1705 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1706 speed_cflags='-O5'
1707 size_cflags='-O5 -qcompact'
df442a8d
MR
1708elif $cc -V 2>/dev/null | grep -q Compaq; then
1709 cc_type=ccc
6e3fa35d 1710 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1711 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1712 debuglevel=3
df442a8d 1713 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1714 speed_cflags='-fast'
1715 size_cflags='-O1'
6a0d5493 1716elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1717 test -d "$sysroot" || die "No valid sysroot specified."
1718 cc_type=armcc
6e3fa35d 1719 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1720 armcc_conf="$PWD/armcc.conf"
1721 $cc --arm_linux_configure \
1722 --arm_linux_config_file="$armcc_conf" \
1723 --configure_sysroot="$sysroot" \
1724 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1725 die "Error creating armcc configuration file."
1726 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1727 as_default="${cross_prefix}gcc"
07dec06e
MR
1728 CC_DEPFLAGS='-MMD'
1729 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1730 speed_cflags='-O3'
1731 size_cflags='-Os'
6fec122a
MR
1732elif $cc -version 2>/dev/null | grep -q TMS470; then
1733 cc_type=tms470
6e3fa35d 1734 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1735 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1736 CC_O='-fr=$(@D)'
1737 as_default="${cross_prefix}gcc"
1738 ld_default="${cross_prefix}gcc"
6fec122a
MR
1739 TMPO=$(basename $TMPC .c).o
1740 append TMPFILES $TMPO
1741 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1742 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1743 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1744 speed_cflags='-O3 -mf=5'
1745 size_cflags='-O3 -mf=2'
6fec122a
MR
1746 filter_cflags=tms470_flags
1747 tms470_flags(){
1748 for flag; do
1749 case $flag in
1750 -march=*|-mcpu=*)
1751 case "${flag#*=}" in
1752 armv7-a|cortex-a*) echo -mv=7a8 ;;
1753 armv7-r|cortex-r*) echo -mv=7r4 ;;
1754 armv7-m|cortex-m*) echo -mv=7m3 ;;
1755 armv6*|arm11*) echo -mv=6 ;;
1756 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1757 echo -mv=5e ;;
1758 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1759 esac
1760 ;;
1761 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1762 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1763 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1764 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1765 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1766 -g) echo -g -mn ;;
587d24ff 1767 -pds=*) echo $flag ;;
6fec122a
MR
1768 esac
1769 done
1770 }
06da6943
DC
1771elif $cc -v 2>&1 | grep -q clang; then
1772 cc_type=clang
b67a8f49
DC
1773 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1774 cc_version=__clang_version__ || cc_version=__VERSION__
06da6943
DC
1775 CC_DEPFLAGS='-MMD'
1776 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1777 speed_cflags='-O3'
1778 size_cflags='-Os'
2a472e9c
MK
1779elif $cc -V 2>&1 | grep -q Sun; then
1780 cc_type=suncc
1781 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1782 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1783 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1784 speed_cflags='-O5'
1785 size_cflags='-O5 -xspace'
03279bbe
MK
1786 filter_cflags=suncc_flags
1787 suncc_flags(){
1788 for flag; do
1789 case $flag in
1790 -march=*|-mcpu=*)
1791 case "${flag#*=}" in
1792 native) echo -xtarget=native ;;
87ddc38b 1793 v9|niagara) echo -xarch=sparc ;;
03279bbe 1794 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 1795 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
1796 i586|pentium) echo -xchip=pentium ;;
1797 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1798 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1799 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1800 pentium4*) echo -xtarget=pentium4 ;;
1801 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1802 *-sse3) echo -xarch=sse3 ;;
1803 core2) echo -xarch=ssse3 -xchip=core2 ;;
1804 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1805 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1806 k8|opteron|athlon64|athlon-fx)
1807 echo -xarch=sse2a ;;
1808 athlon*) echo -xarch=pentium_proa ;;
1809 esac
1810 ;;
1811 -std=c99) echo -xc99 ;;
1812 -fomit-frame-pointer) echo -xregs=frameptr ;;
1813 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1814 -W*,*) echo $flag ;;
1815 -f*-*|-W*) ;;
1816 *) echo $flag ;;
1817 esac
1818 done
1819 }
629687f6
MR
1820fi
1821
851ffa80
MR
1822test -n "$cc_type" && enable $cc_type ||
1823 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 1824
75bafbac 1825: ${as_default:=$cc}
50567afa 1826: ${dep_cc_default:=$cc}
684b28e0 1827: ${ld_default:=$cc}
121d78d0 1828set_default ar as dep_cc ld
75800dce 1829
07dec06e
MR
1830test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1831test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1832
7f32f40c 1833add_cflags $extra_cflags
2f2e6c7c 1834add_asflags $extra_cflags
7f32f40c 1835
154d432c
MR
1836if test -n "$sysroot"; then
1837 case "$cc_type" in
1838 gcc)
467256f2 1839 add_cppflags --sysroot="$sysroot"
154d432c
MR
1840 add_ldflags --sysroot="$sysroot"
1841 ;;
6fec122a
MR
1842 tms470)
1843 add_cppflags -I"$sysinclude"
1844 add_ldflags --sysroot="$sysroot"
1845 ;;
06da6943 1846 clang)
4def700e
DC
1847 add_cppflags -isysroot "$sysroot"
1848 add_ldflags -isysroot "$sysroot"
06da6943 1849 ;;
154d432c
MR
1850 esac
1851fi
1852
d22c13a8
MR
1853if test "$cpu" = host; then
1854 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1855
1856 case "$cc_type" in
1857 gcc)
1858 check_native(){
1859 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1860 sed -n "/$1=/{
1861 s/.*$1=\\([^ ]*\\).*/\\1/
1862 p
1863 q
1864 }" $TMPE
d22c13a8
MR
1865 }
1866 cpu=$(check_native -march || check_native -mcpu)
1867 ;;
1868 esac
1869
1870 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1871fi
1872
e939cedd
MR
1873# Deal with common $arch aliases
1874case "$arch" in
1875 arm*)
1876 arch="arm"
1877 ;;
1878 mips|mipsel|IP*)
1879 arch="mips"
1880 ;;
47b1860e 1881 mips64*)
e939cedd
MR
1882 arch="mips"
1883 subarch="mips64"
1884 ;;
1885 parisc|hppa)
1886 arch="parisc"
1887 ;;
1888 parisc64|hppa64)
1889 arch="parisc"
1890 subarch="parisc64"
1891 ;;
1892 "Power Macintosh"|ppc|powerpc)
1893 arch="ppc"
1894 ;;
47b1860e 1895 ppc64|powerpc64)
e939cedd
MR
1896 arch="ppc"
1897 subarch="ppc64"
1898 ;;
1899 s390|s390x)
1900 arch="s390"
1901 ;;
1902 sh4|sh)
1903 arch="sh4"
1904 ;;
1905 sun4u|sparc64)
1906 arch="sparc"
1907 subarch="sparc64"
1908 ;;
1909 i[3-6]86|i86pc|BePC|x86_64|amd64)
1910 arch="x86"
1911 ;;
1912esac
1913
851ffa80 1914is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 1915enable $arch
e939cedd 1916
df5cdc24 1917# Add processor-specific flags
5d54c126
MR
1918if test "$cpu" = generic; then
1919 : do nothing
1920elif enabled ppc; then
343aef9b 1921
56348891
MR
1922 case $(tolower $cpu) in
1923 601|ppc601|powerpc601)
9dbd5c3d 1924 cpuflags="-mcpu=601"
64ad53ff 1925 disable altivec
9dbd5c3d 1926 ;;
56348891 1927 603*|ppc603*|powerpc603*)
9dbd5c3d 1928 cpuflags="-mcpu=603"
64ad53ff 1929 disable altivec
9dbd5c3d 1930 ;;
56348891 1931 604*|ppc604*|powerpc604*)
9dbd5c3d 1932 cpuflags="-mcpu=604"
64ad53ff 1933 disable altivec
9dbd5c3d 1934 ;;
56348891 1935 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1936 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1937 disable altivec
9dbd5c3d 1938 ;;
56348891 1939 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1940 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1941 ;;
56348891 1942 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1943 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1944 ;;
56348891 1945 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1946 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1947 ;;
56348891 1948 cell)
9dbd5c3d
MR
1949 cpuflags="-mcpu=cell"
1950 enable ldbrx
1951 ;;
7b0b81a1
AL
1952 e500v2)
1953 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1954 disable altivec
1955 ;;
1956 e500)
1957 cpuflags="-mcpu=8540 -mhard-float"
1958 disable altivec
1959 ;;
9dbd5c3d 1960 esac
343aef9b
MR
1961
1962elif enabled x86; then
1963
9dbd5c3d
MR
1964 case $cpu in
1965 i[345]86|pentium)
1966 cpuflags="-march=$cpu"
1967 disable mmx
1968 ;;
1969 # targets that do NOT support conditional mov (cmov)
1970 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1971 cpuflags="-march=$cpu"
1972 disable cmov
1973 ;;
1974 # targets that do support conditional mov (cmov)
a65e687b 1975 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
9dbd5c3d
MR
1976 cpuflags="-march=$cpu"
1977 enable cmov
1978 enable fast_cmov
1979 ;;
1980 # targets that do support conditional mov but on which it's slow
1981 pentium4|pentium4m|prescott|nocona)
1982 cpuflags="-march=$cpu"
1983 enable cmov
1984 disable fast_cmov
1985 ;;
1986 esac
343aef9b
MR
1987
1988elif enabled sparc; then
1989
9dbd5c3d 1990 case $cpu in
26b7199e
MK
1991 niagara)
1992 cpuflags="-mcpu=$cpu"
1993 disable vis
1994 ;;
9dbd5c3d
MR
1995 sparc64)
1996 cpuflags="-mcpu=v9"
1997 ;;
1998 esac
343aef9b
MR
1999
2000elif enabled arm; then
2001
34ba23c9
MR
2002 case $cpu in
2003 armv*)
2004 cpuflags="-march=$cpu"
2005 ;;
2006 *)
2007 cpuflags="-mcpu=$cpu"
2008 ;;
2009 esac
343aef9b
MR
2010
2011elif enabled alpha; then
2012
34ba23c9 2013 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2014
2015elif enabled bfin; then
2016
34ba23c9 2017 cpuflags="-mcpu=$cpu"
343aef9b
MR
2018
2019elif enabled mips; then
2020
34ba23c9 2021 cpuflags="-march=$cpu"
343aef9b
MR
2022
2023elif enabled avr32; then
2024
9dbd5c3d
MR
2025 case $cpu in
2026 ap7[02]0[0-2])
2027 subarch="avr32_ap"
2028 cpuflags="-mpart=$cpu"
2029 ;;
2030 ap)
2031 subarch="avr32_ap"
2032 cpuflags="-march=$cpu"
2033 ;;
2034 uc3[ab]*)
2035 subarch="avr32_uc"
2036 cpuflags="-mcpu=$cpu"
2037 ;;
2038 uc)
2039 subarch="avr32_uc"
2040 cpuflags="-march=$cpu"
2041 ;;
2042 esac
df5cdc24 2043
343aef9b
MR
2044fi
2045
df5cdc24
MR
2046add_cflags $cpuflags
2047add_asflags $cpuflags
2048
993f2d0f
MR
2049# compiler sanity check
2050check_exec <<EOF
2051int main(void){ return 0; }
2052EOF
2053if test "$?" != 0; then
2054 echo "$cc is unable to create an executable file."
2055 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2056 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2057 echo "Only do this if you know what cross compiling means."
2058 fi
2059 die "C compiler test failed."
2060fi
2061
38a9c529 2062add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2063check_cflags -std=c99
50a334e4 2064check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2065#include <stdlib.h>
2066EOF
50a334e4 2067check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2068#include <stdlib.h>
2069EOF
e9b9a2f8 2070
f0125de9
MR
2071check_host_cflags -std=c99
2072
b24dbcbd 2073case "$arch" in
e939cedd 2074 alpha|ia64|mips|parisc|sparc)
8a3c8627 2075 spic=$shared
b24dbcbd 2076 ;;
e939cedd 2077 x86)
cfdb6148 2078 subarch="x86_32"
e939cedd 2079 check_cc <<EOF && subarch="x86_64"
58b3536d 2080 int test[(int)sizeof(char*) - 7];
cfdb6148 2081EOF
de27f4d9 2082 if test "$subarch" = "x86_64"; then
e939cedd 2083 spic=$shared
de27f4d9 2084 fi
b24dbcbd 2085 ;;
b24dbcbd
RP
2086esac
2087
343aef9b 2088enable $subarch
8a3c8627 2089enabled spic && enable pic
b24dbcbd 2090
7483e694 2091# OS specific
4f854758 2092case $target_os in
a1629e28 2093 haiku)
63ae7e7c 2094 prefix_default="/boot/common"
108caaaa 2095 network_extralibs="-lnetwork"
a1629e28 2096 ;;
7483e694
DB
2097 sunos)
2098 FFSERVERLDFLAGS=""
9987769a 2099 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2100 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2101 network_extralibs="-lsocket -lnsl"
50a334e4 2102 add_cppflags -D__EXTENSIONS__
8182dc34 2103 nm_opts='-P -g'
7483e694
DB
2104 ;;
2105 netbsd)
07a8eef6
MR
2106 oss_indev_extralibs="-lossaudio"
2107 oss_outdev_extralibs="-lossaudio"
2138dc99 2108 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2109 ;;
2110 openbsd)
89e053f8 2111 enable malloc_aligned
7c4a001a
MR
2112 # On OpenBSD 4.5. the compiler does not use PIC unless
2113 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2114 # however the generated executable will not do anything
2115 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2116 # Thus explicitly enable PIC here.
cd78208b 2117 enable pic
7483e694 2118 SHFLAGS='-shared'
07a8eef6
MR
2119 oss_indev_extralibs="-lossaudio"
2120 oss_outdev_extralibs="-lossaudio"
7483e694 2121 ;;
90b4f091 2122 freebsd|dragonfly)
89e053f8 2123 enable malloc_aligned
7483e694
DB
2124 ;;
2125 bsd/os)
355d81df 2126 add_extralibs -lpoll -lgnugetopt
7483e694
DB
2127 strip="strip -d"
2128 ;;
2129 darwin)
89e053f8 2130 enable malloc_aligned
301ab19d 2131 gas="gas-preprocessor.pl $cc"
e08b8239 2132 enabled ppc && add_asflags -force_cpusubtype_ALL
0138c54e 2133 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
be90cd27 2134 strip="${strip} -x"
355d81df 2135 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
2136 SLIBSUF=".dylib"
2137 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2138 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2139 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2140 objformat="macho"
1b0f6fb8 2141 enabled x86_64 && objformat="macho64"
8dfa86f7 2142 enabled_any pic shared ||
2704bd1a 2143 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2144 ;;
2145 mingw32*)
9d3f4f50 2146 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2147 disable network
2148 else
2149 target_os=mingw32
2150 fi
dcc01c06 2151 LIBTARGET=i386
1fc9fb8a 2152 if enabled x86_64; then
89e053f8 2153 enable malloc_aligned
dcc01c06 2154 LIBTARGET=x64
336cc1b0
MS
2155 elif enabled arm; then
2156 LIBTARGET=arm
dcc01c06 2157 fi
fbd971a4 2158 shlibdir_default="$bindir_default"
7483e694
DB
2159 disable ffserver
2160 SLIBPREF=""
2161 SLIBSUF=".dll"
7483e694
DB
2162 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2163 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2164 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2165 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2166 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2167 install -d "$(LIBDIR)"; \
2168 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2169 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2170 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2171 objformat="win32"
bc574408 2172 enable dos_paths
1894e741 2173 check_cflags -fno-common
b1549d61 2174 if ! enabled x86_64; then
f7ad5aa2
RP
2175 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2176 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2177 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2178 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2179 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2180 fi
7483e694
DB
2181 ;;
2182 cygwin*)
4f854758 2183 target_os=cygwin
fbd971a4 2184 shlibdir_default="$bindir_default"
7483e694
DB
2185 SLIBPREF="cyg"
2186 SLIBSUF=".dll"
2187 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2188 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2189 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2190 objformat="win32"
bc574408 2191 enable dos_paths
1894e741 2192 check_cflags -fno-common
7483e694 2193 ;;
4f365f37 2194 *-dos|freedos|opendos)
fdf11906 2195 disable ffplay ffserver
4f365f37
MK
2196 disable $INDEV_LIST $OUTDEV_LIST
2197 network_extralibs="-lsocket"
ff1c015d 2198 objformat="coff"
bc574408 2199 enable dos_paths
4f365f37 2200 ;;
7483e694 2201 linux)
7483e694
DB
2202 enable dv1394
2203 ;;
2204 irix*)
4f854758 2205 target_os=irix
7483e694
DB
2206 ranlib="echo ignoring ranlib"
2207 ;;
d22e8442 2208 os/2*)
d22e8442
DY
2209 strip="lxlite"
2210 ln_s="cp -f"
355d81df 2211 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 2212 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2213 FFSERVERLDFLAGS=""
287d3b13 2214 LIBSUF="_s.a"
d22e8442
DY
2215 SLIBPREF=""
2216 SLIBSUF=".dll"
2217 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2218 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2219 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2220 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2221 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2222 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2223 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2224 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2225 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2226 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2227 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2228 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2229 enable dos_paths
d22e8442 2230 ;;
83993c1c
AM
2231 gnu/kfreebsd)
2232 ;;
34e82167 2233 gnu)
34e82167 2234 ;;
614d8911
MR
2235 none)
2236 ;;
7483e694 2237 *)
4f924f9a 2238 die "Unknown OS '$target_os'."
7483e694
DB
2239 ;;
2240esac
2241
13cb2187
AS
2242check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2243
c9d19248
MR
2244set_default $PATHS_LIST
2245
320d060a 2246# we need to build at least one lib type
93b3c083 2247if ! enabled_any static shared; then
320d060a
DB
2248 cat <<EOF
2249At least one library type must be built.
2250Specify --enable-static to build the static libraries or --enable-shared to
2251build the shared libraries as well. To only build the shared libraries specify
2252--disable-static in addition to --enable-shared.
2253EOF
2254 exit 1;
2255fi
2256
abc4e572 2257disabled static && LIBNAME=""
2a320695 2258
2184c6f7 2259die_license_disabled() {
4c27207c 2260 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2261}
2262
2184c6f7
DB
2263die_license_disabled gpl libx264
2264die_license_disabled gpl libxvid
2265die_license_disabled gpl postproc
2266die_license_disabled gpl x11grab
2267
2f7ae63b 2268die_license_disabled nonfree libfaac
b2e3c528 2269
0b175caa
DB
2270die_license_disabled version3 libopencore_amrnb
2271die_license_disabled version3 libopencore_amrwb
2272
9cad0e4e 2273enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2274
9eeed841 2275check_deps $ARCH_EXT_LIST
0f3cb305 2276
40617a6d 2277disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2278
e276d9e8
MR
2279enable_pic() {
2280 enable pic
bce7b696
MR
2281 add_cppflags -DPIC
2282 add_cflags -fPIC
2283 add_asflags -fPIC
e276d9e8
MR
2284}
2285
2286enabled pic && enable_pic
bce7b696 2287
b4d96ba2
MR
2288check_cc <<EOF || die "Symbol mangling check failed."
2289int ff_extern;
2290EOF
8182dc34 2291sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2292extern_prefix=${sym%%ff_extern*}
2293
f65883c8
MR
2294check_cc <<EOF && enable inline_asm
2295void foo(void) { __asm__ volatile ("" ::); }
2296EOF
61d251db 2297
df5e3978
MR
2298_restrict=
2299for restrict_keyword in restrict __restrict__ __restrict; do
2300 check_cc <<EOF && _restrict=$restrict_keyword && break
2301void foo(char * $restrict_keyword p);
2302EOF
2303done
2304
2305check_cc <<EOF && enable attribute_packed
2306struct { int x; } __attribute__((packed)) x;
2307EOF
2308
dffb41b9
MR
2309check_cc <<EOF && enable attribute_may_alias
2310union { int x; } __attribute__((may_alias)) x;
2311EOF
2312
df5e3978
MR
2313check_cc <<EOF || die "endian test failed"
2314unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2315EOF
48fc536a 2316od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2317
e939cedd
MR
2318if enabled alpha; then
2319
2320 check_cflags -mieee
2321
2322elif enabled arm; then
e45391bb 2323
50fa82e6 2324 check_cflags -marm
301ab19d 2325 nogas=die
50fa82e6 2326
fa0912fe
MR
2327 check_ld <<EOF && enable vfp_args
2328__asm__ (".eabi_attribute 28, 1");
2329int main(void) { return 0; }
2330EOF
2331
2332 # We have to check if pld is a nop and disable it.
2333 check_asm pld '"pld [r0]"'
2334
2335 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2336 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2337 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2338 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2339 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2340 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2341
e276d9e8
MR
2342 enabled_all armv6t2 shared !pic && enable_pic
2343
fa0912fe 2344elif enabled mips; then
e45391bb 2345
fa0912fe
MR
2346 check_asm loongson '"dmult.g $1, $2, $3"'
2347 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2348
fa0912fe 2349elif enabled ppc; then
e45391bb 2350
e6a0c354
MR
2351 enable local_aligned_8 local_aligned_16
2352
135448fa 2353 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2f0c136e 2354 check_asm ibm_asm '"add 0, 0, 0"'
fa0912fe 2355 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2356 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2357
2358 # AltiVec flags: The FSF version of GCC differs from the Apple version
2359 if enabled altivec; then
301ab19d 2360 nogas=warn
fa0912fe
MR
2361 check_cflags -maltivec -mabi=altivec &&
2362 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2363 check_cflags -faltivec
2364
2365 # check if our compiler supports Motorola AltiVec C API
2366 check_cc <<EOF || disable altivec
2367$inc_altivec_h
2368int main(void) {
2369 vector signed int v1, v2, v3;
2370 v1 = vec_add(v2,v3);
2371 return 0;
2372}
2373EOF
2374
2375 # check if our compiler supports braces for vector declarations
2376 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2377$inc_altivec_h
2378int main (void) { (vector int) {1}; return 0; }
2379EOF
2380 fi
e45391bb 2381
fa0912fe 2382elif enabled sparc; then
e45391bb 2383
fa0912fe
MR
2384 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2385 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2386
fa0912fe 2387elif enabled x86; then
e45391bb 2388
e6a0c354
MR
2389 enable local_aligned_8 local_aligned_16
2390
44965991
PI
2391 # check whether EBP is available on x86
2392 # As 'i' is stored on the stack, this program will crash
2393 # if the base pointer is used to access it because the
2394 # base pointer is cleared in the inline assembly code.
7dfef245 2395 check_exec_crash <<EOF && enable ebp_available
44965991 2396 volatile int i=0;
be449fca 2397 __asm__ volatile (
44965991
PI
2398 "xorl %%ebp, %%ebp"
2399 ::: "%ebp");
2400 return i;
44965991
PI
2401EOF
2402
f494213c 2403 # check whether EBX is available on x86
7cee5421
MR
2404 check_asm ebx_available '""::"b"(0)' &&
2405 check_asm ebx_available '"":::"%ebx"'
8e380710 2406
d3a4b4e0
DB
2407 # check whether more than 10 operands are supported
2408 check_cc <<EOF && enable ten_operands
2409int main(void) {
2410 int x=0;
2411 __asm__ volatile(
2412 ""
2413 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2414 );
2415 return 0;
2416}
2417EOF
2418
d7f0920b 2419 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2420 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2421 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2422
2423 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2424
d52481b9 2425 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2426 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2427 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2428 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2429 case "$objformat" in
2430 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2431 esac
31a0dcb2
MR
2432 if ! disabled yasm; then
2433 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2434 warn "yasm not found, performance will suffer"
2435 fi
e45391bb 2436
669b5583
MR
2437 case "$cpu" in
2438 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2439 disable fast_clz
2440 ;;
2441 esac
2442
44965991
PI
2443fi
2444
301ab19d
MR
2445if enabled asm; then
2446 as=${gas:=$as}
2447 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2448 $nogas "GNU assembler not found, install gas-preprocessor"
2449fi
2450
a98bb16d
RP
2451if check_func dlopen; then
2452 ldl=
2453elif check_func dlopen -ldl; then
2454 ldl=-ldl
8bf5d58f
MN
2455fi
2456
75ecf149
DB
2457# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2458check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2459
534a2231 2460check_func fcntl
7483e694 2461check_func fork
84882df6 2462check_func getaddrinfo $network_extralibs
7483e694
DB
2463check_func gethrtime
2464check_func getrusage
fc5607f8 2465check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2466check_func inet_aton $network_extralibs
abfc8d05 2467check_func isatty
4ae40685 2468check_func ${malloc_prefix}memalign && enable memalign
7483e694 2469check_func mkstemp
4ae40685 2470check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2471check_func setrlimit
87958234 2472check_func strerror_r
b507ebd1 2473check_func_headers io.h setmode
e4673692 2474check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2475check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2476check_func_headers windows.h GetProcessTimes
7c5bfe7a 2477check_func_headers windows.h VirtualAlloc
6ffa87d3 2478
e16e49ac 2479check_header conio.h
a98bb16d 2480check_header dlfcn.h
92c6a099 2481check_header dxva2api.h
a98bb16d 2482check_header malloc.h
bf6ce82d 2483check_header poll.h
b58412f1 2484check_header sys/mman.h
b091aa44 2485check_header sys/resource.h
bf6ce82d 2486check_header sys/select.h
a98bb16d 2487check_header termios.h
272081b0
CEH
2488check_header vdpau/vdpau.h
2489check_header vdpau/vdpau_x11.h
68178ca9 2490check_header X11/extensions/XvMClib.h
a98bb16d 2491
9104cd51
RP
2492check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2493
89e053f8
MR
2494if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2495 enabled_any $need_memalign ; then
1f91cdce 2496 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2497fi
e16e49ac 2498
a4fa192c 2499disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2500disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2501
2502# check for some common methods of building with pthread support
2503# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
2504if ! disabled pthreads && ! enabled w32threads; then
2505 enable pthreads
9e7fd101
MR
2506 if check_func pthread_create; then
2507 :
2508 elif check_func pthread_create -pthread; then
2509 add_cflags -pthread
afc9aee2 2510 add_extralibs -pthread
9e7fd101
MR
2511 elif check_func pthread_create -pthreads; then
2512 add_cflags -pthreads
afc9aee2 2513 add_extralibs -pthreads
8d94f606
GT
2514 elif check_func pthread_create -lpthreadGC2; then
2515 add_extralibs -lpthreadGC2
9e7fd101 2516 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 2517 disable pthreads
9e7fd101 2518 fi
57bd82d4
MR
2519fi
2520
8eee7025 2521for thread in $THREADS_LIST; do
e5f94c2b 2522 if enabled $thread; then
3ae3b721
RP
2523 test -n "$thread_type" &&
2524 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2525 thread_type="$thread"
e5f94c2b
RP
2526 fi
2527done
2528
fdf88598 2529check_lib math.h sin -lm
edd43c95 2530disabled vaapi || check_lib va/va.h vaInitialize -lva
fdf88598 2531
645d2652
MR
2532check_mathfunc exp2
2533check_mathfunc exp2f
2534check_mathfunc llrint
07876e25 2535check_mathfunc llrintf
645d2652
MR
2536check_mathfunc log2
2537check_mathfunc log2f
2538check_mathfunc lrint
2539check_mathfunc lrintf
2540check_mathfunc round
2541check_mathfunc roundf
2542check_mathfunc truncf
f32adb22 2543
57bd82d4 2544# these are off by default, so fail if requested and not available
a1b3c5a3 2545enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2546enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2547 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2548 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097 2549enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5af41508 2550enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
eb7626a3 2551enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
7483e694 2552enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
eb7626a3
MR
2553enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2554enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3d6fac8c 2555enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
42ebfc54
RP
2556enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2557 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
36718e51
DB
2558enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2559 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2560enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2561enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2562enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
ea28e81f
MR
2563enabled libvpx && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx &&
2564 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2565 die "ERROR: libvpx version must be >=0.9.1"; }
eb7626a3 2566enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
652d9d24
JGG
2567 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2568 die "ERROR: libx264 version must be >= 0.98."; }
2bfecf73 2569enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2570enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2571
0b4a1821
AS
2572# libdc1394 check
2573if enabled libdc1394; then
2574 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2575 enable libdc1394_2; } ||
2576 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2577 enable libdc1394_1; } ||
2578 die "ERROR: No version of libdc1394 found "
2579fi
2580
6a1a892f 2581SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2582if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2583 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2584 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2585 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2586 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2587 enable sdl &&
2588 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2589fi
57bd82d4 2590
2270b4b2 2591texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2592
73b46a95 2593if enabled network; then
96000432 2594 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2595 check_type netdb.h "struct addrinfo"
b4d68544
MS
2596 check_type netinet/in.h "struct ipv6_mreq"
2597 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2598 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2599 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2600 # Prefer arpa/inet.h over winsock2
2601 if check_header arpa/inet.h ; then
2602 check_func closesocket
2603 elif check_header winsock2.h ; then
f4c13872
MS
2604 check_func_headers winsock2.h closesocket -lws2 && \
2605 network_extralibs="-lws2" || \
2606 { check_func_headers winsock2.h closesocket -lws2_32 && \
2607 network_extralibs="-lws2_32"; }
72be9e73 2608 check_type ws2tcpip.h socklen_t
c0018613 2609 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2610 check_type ws2tcpip.h "struct ipv6_mreq"
2611 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2612 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2613 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2614 else
2615 disable network
73b46a95
RP
2616 fi
2617fi
2618
06e31011
RP
2619check_header linux/videodev.h
2620check_header linux/videodev2.h
1b6e8b73 2621check_header sys/videoio.h
47f38850 2622
27796dc3 2623check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2624
f8aa696f 2625# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2626{ check_header dev/bktr/ioctl_meteor.h &&
2627 check_header dev/bktr/ioctl_bt848.h; } ||
2628{ check_header machine/ioctl_meteor.h &&
2629 check_header machine/ioctl_bt848.h; } ||
2630{ check_header dev/video/meteor/ioctl_meteor.h &&
2631 check_header dev/video/bktr/ioctl_bt848.h; } ||
2632check_header dev/ic/bt8xx.h
f8aa696f 2633
c7682de0
RP
2634check_header sys/soundcard.h
2635check_header soundcard.h
deb29777 2636
b6f3d925 2637enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2638
0e57fe17 2639enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2640
56a059ac 2641enabled x11grab &&
f58f4ce1
GP
2642check_header X11/Xlib.h &&
2643check_header X11/extensions/XShm.h &&
0a045661 2644check_header X11/extensions/Xfixes.h &&
f58f4ce1 2645check_func XOpenDisplay -lX11 &&
781c1aa6
R
2646check_func XShmCreateImage -lX11 -lXext &&
2647check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2648
598ef02b 2649if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2650check_cpp_condition \
2651 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2652 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2653 disable vdpau; }
abf649c7 2654fi
deda2a4a 2655
95e561ec 2656enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2657
2658# add some useful compiler flags if supported
2659check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2660check_cflags -Wall
2661check_cflags -Wno-switch
c07bd6a9
MN
2662check_cflags -Wdisabled-optimization
2663check_cflags -Wpointer-arith
2664check_cflags -Wredundant-decls
cc1fb623 2665check_cflags -Wno-pointer-sign
f4929996 2666check_cflags -Wcast-qual
9aceb3cf 2667check_cflags -Wwrite-strings
652a5bf6 2668check_cflags -Wtype-limits
764551c6 2669check_cflags -Wundef
fc298fd9 2670check_cflags -Wmissing-prototypes
5af4e0cc 2671enabled extra_warnings && check_cflags -Winline
cf9d24ad 2672
57bd82d4 2673# add some linker flags
5c0e9479 2674check_ldflags -Wl,--warn-common
8351d2ba
DB
2675check_ldflags -Wl,--as-needed
2676check_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 2677check_ldflags -Wl,-Bsymbolic
94a3401e 2678
a482e61b 2679echo "X{};" > $TMPV
b462d132 2680if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 2681 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
2682 check_cc <<EOF && enable symver_asm_label
2683void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 2684void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
2685EOF
2686 check_cc <<EOF && enable symver_gnu_asm
2687__asm__(".symver ff_foo,av_foo@VERSION");
2688void ff_foo(void) {}
2689EOF
2690fi
a482e61b 2691
bd2216e4 2692if enabled small; then
14ca9cd0 2693 add_cflags $size_cflags
8400d6b8
DB
2694 optimizations="small"
2695elif enabled optimizations; then
14ca9cd0 2696 add_cflags $speed_cflags
b05394a0
MR
2697else
2698 add_cflags $noopt_cflags
cddf3f45 2699fi
11fdbc44 2700check_cflags -fno-math-errno
b2eb2ff0 2701check_cflags -fno-signed-zeros
cddf3f45 2702
629687f6 2703if enabled icc; then
b1598b58
MR
2704 # Just warnings, no remarks
2705 check_cflags -w1
2706 # -wd: Disable following warnings
2707 # 144, 167, 556: -Wno-pointer-sign
2708 # 10006: ignoring unknown option -fno-signed-zeros
2709 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2710 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2711 # 11030: Warning unknown option --as-needed
2712 # 10156: ignoring option '-export'; no argument required
2713 check_ldflags -wd10156,11030
2714 # Allow to compile with optimizations
2715 check_ldflags -march=$cpu
be2cf98a
CEH
2716 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2717 enable ebp_available
df442a8d
MR
2718elif enabled ccc; then
2719 # disable some annoying warnings
2720 add_cflags -msg_disable cvtu32to64
2721 add_cflags -msg_disable embedcomment
2722 add_cflags -msg_disable needconstext
2723 add_cflags -msg_disable nomainieee
2724 add_cflags -msg_disable ptrmismatch1
2725 add_cflags -msg_disable unreachcode
973859f5
MR
2726elif enabled gcc; then
2727 check_cflags -fno-tree-vectorize
765e6134 2728 check_cflags -Werror=implicit-function-declaration
de63bfec 2729 check_cflags -Werror=missing-prototypes
06da6943
DC
2730elif enabled clang; then
2731 check_cflags -Qunused-arguments
138132be
MR
2732elif enabled armcc; then
2733 # 2523: use of inline assembler is deprecated
2734 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2735 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2736elif enabled tms470; then
2737 add_cflags -pds=824 -pds=837
504a64b9
CEH
2738fi
2739
7483e694
DB
2740enabled_any $THREADS_LIST && enable threads
2741
2742check_deps $CONFIG_LIST \
b6bb00b0 2743 $CONFIG_EXTRA \
7483e694
DB
2744 $HAVE_LIST \
2745 $DECODER_LIST \
2746 $ENCODER_LIST \
5666fd73 2747 $HWACCEL_LIST \
7483e694
DB
2748 $PARSER_LIST \
2749 $BSF_LIST \
2750 $DEMUXER_LIST \
2751 $MUXER_LIST \
f7679c54 2752 $FILTER_LIST \
7483e694
DB
2753 $INDEV_LIST \
2754 $OUTDEV_LIST \
2755 $PROTOCOL_LIST \
f70f03f6 2756
3bfd582c 2757enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 2758
3e89171a 2759echo "install prefix $prefix"
f36958f8
DB
2760echo "source path $source_path"
2761echo "C compiler $cc"
f36958f8 2762echo "ARCH $arch ($cpu)"
ce8871c2
MR
2763if test "$build_suffix" != ""; then
2764 echo "build suffix $build_suffix"
eb94aca9 2765fi
ac63af34
DB
2766if test "$extra_version" != ""; then
2767 echo "version string suffix $extra_version"
2768fi
0db2ce77 2769echo "big-endian ${bigendian-no}"
e90f5b5a 2770echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2771if enabled x86; then
af44e8e4 2772 echo "yasm ${yasm-no}"
0db2ce77 2773 echo "MMX enabled ${mmx-no}"
30e98e62 2774 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2775 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2776 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2777 echo "SSE enabled ${sse-no}"
30e98e62 2778 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2779 echo "CMOV enabled ${cmov-no}"
2780 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2781 echo "EBX available ${ebx_available-no}"
2782 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2783 echo "10 operands supported ${ten_operands-no}"
e41e8342 2784fi
5b6c2cbd 2785if enabled arm; then
0db2ce77
MR
2786 echo "ARMv5TE enabled ${armv5te-no}"
2787 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2788 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2789 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2790 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2791 echo "NEON enabled ${neon-no}"
eba9ae3c 2792fi
5b6c2cbd 2793if enabled mips; then
0db2ce77 2794 echo "MMI enabled ${mmi-no}"
e41e8342 2795fi
5b6c2cbd 2796if enabled ppc; then
0db2ce77 2797 echo "AltiVec enabled ${altivec-no}"
30e98e62 2798 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2799 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2800fi
2801if enabled sparc; then
2802 echo "VIS enabled ${vis-no}"
e41e8342 2803fi
0db2ce77 2804echo "debug symbols ${debug-no}"
87a0fb62 2805echo "strip symbols ${stripping-no}"
8400d6b8 2806echo "optimizations ${optimizations-no}"
0db2ce77
MR
2807echo "static ${static-no}"
2808echo "shared ${shared-no}"
4a24ab64 2809echo "postprocessing support ${postproc-no}"
f7679c54 2810echo "new filter support ${avfilter-no}"
81124ba0 2811echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2812echo "network support ${network-no}"
0db2ce77
MR
2813echo "threading support ${thread_type-no}"
2814echo "SDL support ${sdl-no}"
0db2ce77
MR
2815echo "Sun medialib support ${mlib-no}"
2816echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2817echo "libdc1394 support ${libdc1394-no}"
690bfceb 2818echo "libdirac enabled ${libdirac-no}"
0db2ce77 2819echo "libfaac enabled ${libfaac-no}"
0db2ce77
MR
2820echo "libgsm enabled ${libgsm-no}"
2821echo "libmp3lame enabled ${libmp3lame-no}"
2822echo "libnut enabled ${libnut-no}"
0b175caa
DB
2823echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2824echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2825echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2826echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2827echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2828echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2829echo "libtheora enabled ${libtheora-no}"
2830echo "libvorbis enabled ${libvorbis-no}"
8299a7f8 2831echo "libvpx enabled ${libvpx-no}"
d6bd62db
DB
2832echo "libx264 enabled ${libx264-no}"
2833echo "libxvid enabled ${libxvid-no}"
0db2ce77 2834echo "zlib enabled ${zlib-no}"
f402916e 2835echo "bzlib enabled ${bzlib-no}"
2c62e737 2836echo
de6d9b64 2837
5666fd73 2838for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2839 echo "Enabled ${type}s:"
f65c9da1 2840 eval list=\$$(toupper $type)_LIST
31c0121d 2841 print_enabled '_*' $list | sort | pr -3 -t
f65c9da1 2842 echo
8138b9db
RP
2843done
2844
ba7a7039 2845license="LGPL version 2.1 or later"
ba321adb 2846if enabled nonfree; then
ba7a7039 2847 license="nonfree and unredistributable"
9cad0e4e
DB
2848elif enabled gplv3; then
2849 license="GPL version 3 or later"
2850elif enabled lgplv3; then
2851 license="LGPL version 3 or later"
ba321adb 2852elif enabled gpl; then
ba7a7039 2853 license="GPL version 2 or later"
ba321adb
JK
2854fi
2855
2856echo "License: $license"
ca5323af 2857
cf1392e9
DB
2858echo "Creating config.mak and config.h..."
2859
df642790
MR
2860# build tree in object directory if source path is different from current one
2861if enabled source_path_used; then
2862 DIRS="
2863 doc
2864 libavcodec
2865 libavcodec/$arch
2866 libavdevice
2867 libavfilter
2868 libavformat
2869 libavutil
2870 libavutil/$arch
2871 libpostproc
2872 libswscale
2873 libswscale/$arch
2874 tests
2875 tools
2876 "
2877 FILES="
2878 Makefile
2879 common.mak
2880 subdir.mak
2881 doc/texi2pod.pl
2882 libavcodec/Makefile
43f60eba 2883 libavcodec/${arch}/Makefile
df642790
MR
2884 libavdevice/Makefile
2885 libavfilter/Makefile
2886 libavformat/Makefile
2887 libavutil/Makefile
2888 libpostproc/Makefile
2889 libswscale/Makefile
2890 "
e0e335a0 2891 map 'mkdir -p $v' $DIRS;
43f60eba 2892 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2893fi
2894
ad212cc6
MR
2895enabled stripping || strip="echo skipping strip"
2896
173c983b
MR
2897cat > config.mak <<EOF
2898# Automatically generated by configure - do not modify!
2899ifndef FFMPEG_CONFIG_MAK
2900FFMPEG_CONFIG_MAK=1
2901FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2902prefix=$prefix
2903LIBDIR=\$(DESTDIR)$libdir
2904SHLIBDIR=\$(DESTDIR)$shlibdir
2905INCDIR=\$(DESTDIR)$incdir
2906BINDIR=\$(DESTDIR)$bindir
2907DATADIR=\$(DESTDIR)$datadir
2908MANDIR=\$(DESTDIR)$mandir
2909SRC_PATH="$source_path"
2910SRC_PATH_BARE=$source_path
2911BUILD_ROOT="$PWD"
2912ARCH=$arch
2913CC=$cc
2914AS=$as
2915LD=$ld
2916DEPCC=$dep_cc
2917YASM=$yasmexe
a4aea515 2918YASMDEP=$yasmexe
173c983b
MR
2919AR=$ar
2920RANLIB=$ranlib
4335125c 2921CP=cp -p
173c983b
MR
2922LN_S=$ln_s
2923STRIP=$strip
2924CPPFLAGS=$CPPFLAGS
2925CFLAGS=$CFLAGS
2926ASFLAGS=$ASFLAGS
2927CC_O=$CC_O
2928LDFLAGS=$LDFLAGS
2929FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2930SHFLAGS=$SHFLAGS
2931YASMFLAGS=$YASMFLAGS
2932BUILDSUF=$build_suffix
2933FULLNAME=$FULLNAME
2934LIBPREF=$LIBPREF
2935LIBSUF=$LIBSUF
2936LIBNAME=$LIBNAME
2937SLIBPREF=$SLIBPREF
2938SLIBSUF=$SLIBSUF
2939EXESUF=$EXESUF
2940EXTRA_VERSION=$extra_version
2941DEPFLAGS=$DEPFLAGS
2942CCDEP=$CCDEP
2943ASDEP=$ASDEP
2944CC_DEPFLAGS=$CC_DEPFLAGS
2945AS_DEPFLAGS=$AS_DEPFLAGS
2946HOSTCC=$host_cc
2947HOSTCFLAGS=$host_cflags
2948HOSTEXESUF=$HOSTEXESUF
2949HOSTLDFLAGS=$host_ldflags
2950HOSTLIBS=$host_libs
2951TARGET_EXEC=$target_exec
2952TARGET_PATH=$target_path
2953SDL_LIBS=$sdl_libs
2954SDL_CFLAGS=$sdl_cflags
2955LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2956EXTRALIBS=$extralibs
fd676deb 2957INSTALL=install
1afc4750
MR
2958LIBTARGET=${LIBTARGET}
2959SLIBNAME=${SLIBNAME}
2960SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2961SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2962SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2963SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2964SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2965SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 2966SAMPLES=$samples
173c983b 2967EOF
5a872801 2968
719c8e00
MR
2969get_version(){
2970 name=$1
2971 file=$source_path/$2
147e7692
MR
2972 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2973 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2974 lcname=$(tolower $name)
2975 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2976 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2977}
2978
147e7692
MR
2979get_version LIBSWSCALE libswscale/swscale.h
2980get_version LIBPOSTPROC libpostproc/postprocess.h
2981get_version LIBAVCODEC libavcodec/avcodec.h
2982get_version LIBAVDEVICE libavdevice/avdevice.h
2983get_version LIBAVFORMAT libavformat/avformat.h
2984get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2985get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2986
173c983b
MR
2987cat > $TMPH <<EOF
2988/* Automatically generated by configure - do not modify! */
2989#ifndef FFMPEG_CONFIG_H
2990#define FFMPEG_CONFIG_H
2991#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 2992#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
2993#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2994#define CC_TYPE "$cc_type"
2995#define CC_VERSION $cc_version
2996#define restrict $_restrict
42719e20 2997#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
173c983b
MR
2998#define EXTERN_PREFIX "${extern_prefix}"
2999#define EXTERN_ASM ${extern_prefix}
3000EOF
523ef551 3001
4ae40685
MR
3002test -n "$malloc_prefix" &&
3003 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3004
523ef551 3005if enabled small || disabled optimizations; then
9a894c48 3006 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3007 echo "#define av_always_inline" >> $TMPH
3008fi
3009
3d907e22
MR
3010print_config ARCH_ $TMPH config.mak $ARCH_LIST
3011print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3012print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3013 $CONFIG_EXTRA \
7483e694
DB
3014 $DECODER_LIST \
3015 $ENCODER_LIST \
5666fd73 3016 $HWACCEL_LIST \
7483e694
DB
3017 $PARSER_LIST \
3018 $BSF_LIST \
3019 $DEMUXER_LIST \
3020 $MUXER_LIST \
f7679c54 3021 $FILTER_LIST \
7483e694
DB
3022 $PROTOCOL_LIST \
3023 $INDEV_LIST \
3024 $OUTDEV_LIST \
8ac17293 3025
9c05103f 3026echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3027echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3028
b7860763 3029# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3030cp_if_changed $TMPH config.h
3d204385 3031
a3e02a8c
MR
3032cat > $TMPH <<EOF
3033/* Generated by ffconf */
3034#ifndef AVUTIL_AVCONFIG_H
3035#define AVUTIL_AVCONFIG_H
3036EOF
3037
3038print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3039
3040echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3041
3042cp_if_changed $TMPH libavutil/avconfig.h
3043
7bfc8ae6
MR
3044test -n "$WARNINGS" && printf "\n$WARNINGS"
3045
d0674868 3046# build pkg-config files
def4272a 3047
d0674868
DB
3048pkgconfig_generate(){
3049name=$1
b0dfd108 3050shortname=${name#lib}${build_suffix}
d0674868
DB
3051comment=$2
3052version=$3
3053libs=$4
3054requires=$5
25cd5cb3 3055cat <<EOF > $name/$name.pc
3e89171a 3056prefix=$prefix
a94e666c 3057exec_prefix=\${prefix}
f2b7382c 3058libdir=$libdir
7622778e 3059includedir=$incdir
def4272a 3060
d0674868
DB
3061Name: $name
3062Description: $comment
3063Version: $version
8cd6b388 3064Requires: $(enabled shared || echo $requires)
5dcfe9f8 3065Requires.private: $(enabled shared && echo $requires)
def4272a 3066Conflicts:
8cd6b388 3067Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3068Libs.private: $(enabled shared && echo $libs)
76a448ed 3069Cflags: -I\${includedir}
def4272a 3070EOF
25cd5cb3 3071cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3072prefix=
3073exec_prefix=
46d1ff83 3074libdir=\${pcfiledir}
1d44d365 3075includedir=${source_path}
def4272a 3076
d0674868
DB
3077Name: $name
3078Description: $comment
3079Version: $version
3080Requires: $requires
def4272a 3081Conflicts:
12701f6e 3082Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3083Cflags: -I\${includedir}
3084EOF
d0674868 3085}
def4272a 3086
e426941d 3087pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3088pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3089pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3090pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3091enabled avfilter &&
46983309 3092 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3093enabled postproc &&
e426941d 3094 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3095pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"