mpegtsenc: allocate correct size for PID table
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
505dfb09
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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."
c21d6325
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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54 exit 1
55fi
56
74c53c2d 57show_help(){
06454877
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58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
19bd477d 64 --logfile=FILE log tests and output to FILE [config.log]
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65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
336ce917 85 --disable-ffprobe disable ffprobe build
06454877 86 --disable-ffserver disable ffserver build
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87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
06454877 91 --enable-postproc enable GPLed postprocessing support [no]
cccc039f 92 --disable-avfilter disable video filter support [no]
06454877 93 --enable-avfilter-lavf video filters dependent on avformat [no]
0dbfc1db 94 --disable-pthreads disable pthreads [auto]
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95 --enable-w32threads use Win32 threads [no]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
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98 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101 --disable-fastdiv disable table-based division
102 --enable-small optimize for size instead of speed
103 --disable-aandct disable AAN DCT code
7f3f5f46 104 --disable-dct disable DCT code
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105 --disable-fft disable FFT code
106 --disable-golomb disable Golomb code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --disable-vaapi disable VAAPI code
111 --disable-vdpau disable VDPAU code
92c6a099 112 --disable-dxva2 disable DXVA2 code
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113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --enable-memalign-hack emulate memalign, interferes with memory debuggers
bb55e3a3 116 --disable-everything disable all components listed below
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117 --disable-encoder=NAME disable encoder NAME
118 --enable-encoder=NAME enable encoder NAME
119 --disable-encoders disable all encoders
120 --disable-decoder=NAME disable decoder NAME
121 --enable-decoder=NAME enable decoder NAME
122 --disable-decoders disable all decoders
123 --disable-hwaccel=NAME disable hwaccel NAME
124 --enable-hwaccel=NAME enable hwaccel NAME
125 --disable-hwaccels disable all hwaccels
126 --disable-muxer=NAME disable muxer NAME
127 --enable-muxer=NAME enable muxer NAME
128 --disable-muxers disable all muxers
129 --disable-demuxer=NAME disable demuxer NAME
130 --enable-demuxer=NAME enable demuxer NAME
131 --disable-demuxers disable all demuxers
132 --enable-parser=NAME enable parser NAME
133 --disable-parser=NAME disable parser NAME
134 --disable-parsers disable all parsers
135 --enable-bsf=NAME enable bitstream filter NAME
136 --disable-bsf=NAME disable bitstream filter NAME
137 --disable-bsfs disable all bitstream filters
138 --enable-protocol=NAME enable protocol NAME
139 --disable-protocol=NAME disable protocol NAME
140 --disable-protocols disable all protocols
141 --disable-indev=NAME disable input device NAME
142 --disable-outdev=NAME disable output device NAME
143 --disable-indevs disable input devices
144 --disable-outdevs disable output devices
145 --disable-devices disable all devices
146 --enable-filter=NAME enable filter NAME
147 --disable-filter=NAME disable filter NAME
148 --disable-filters disable all filters
149 --list-decoders show all available decoders
150 --list-encoders show all available encoders
151 --list-hwaccels show all available hardware accelerators
152 --list-muxers show all available muxers
153 --list-demuxers show all available demuxers
154 --list-parsers show all available parsers
155 --list-protocols show all available protocols
156 --list-bsfs show all available bitstream filters
157 --list-indevs show all available input devices
158 --list-outdevs show all available output devices
159 --list-filters show all available filters
160
161External library support:
162 --enable-avisynth enable reading of AVISynth script files [no]
163 --enable-bzlib enable bzlib [autodetect]
164 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
167 and libraw1394 [no]
168 --enable-libdirac enable Dirac support via libdirac [no]
169 --enable-libfaac enable FAAC support via libfaac [no]
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170 --enable-libgsm enable GSM support via libgsm [no]
171 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
172 --enable-libnut enable NUT (de)muxing via libnut,
173 native (de)muxer exists [no]
174 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
0f943ce6 175 --enable-librtmp enable RTMP[E] support via librtmp [no]
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176 --enable-libschroedinger enable Dirac support via libschroedinger [no]
177 --enable-libspeex enable Speex decoding via libspeex [no]
178 --enable-libtheora enable Theora encoding via libtheora [no]
179 --enable-libvorbis enable Vorbis encoding via libvorbis,
180 native implementation exists [no]
8299a7f8 181 --enable-libvpx enable VP8 support via libvpx [no]
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182 --enable-libx264 enable H.264 encoding via x264 [no]
183 --enable-libxvid enable Xvid encoding via xvidcore,
184 native MPEG-4/Xvid encoder exists [no]
185 --enable-mlib enable Sun medialib [no]
186 --enable-zlib enable zlib [autodetect]
187
188Advanced options (experts only):
189 --source-path=PATH path to source code [$source_path]
190 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
191 --enable-cross-compile assume a cross-compiler is used
192 --sysroot=PATH root of cross-build tree
193 --sysinclude=PATH location of cross-build system headers
194 --target-os=OS compiler targets OS [$target_os]
195 --target-exec=CMD command to run executables on target
196 --target-path=DIR path to view of build directory on target
197 --nm=NM use nm tool
121d78d0 198 --ar=AR use archive tool AR [$ar_default]
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199 --as=AS use assembler AS [$as_default]
200 --cc=CC use C compiler CC [$cc_default]
201 --ld=LD use linker LD
202 --host-cc=HOSTCC use host C compiler HOSTCC
203 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
204 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
205 --host-libs=HLIBS use libs HLIBS when linking for host
206 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
207 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208 --extra-libs=ELIBS add ELIBS [$ELIBS]
209 --extra-version=STRING version string suffix []
210 --build-suffix=SUFFIX library name suffix []
211 --arch=ARCH select architecture [$arch]
212 --cpu=CPU select the minimum required CPU (affects
213 instruction selection, may crash on older CPUs)
c8a4ae00 214 --disable-asm disable all assembler optimizations
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215 --disable-altivec disable AltiVec optimizations
216 --disable-amd3dnow disable 3DNow! optimizations
217 --disable-amd3dnowext disable 3DNow! extended optimizations
218 --disable-mmx disable MMX optimizations
219 --disable-mmx2 disable MMX2 optimizations
220 --disable-sse disable SSE optimizations
221 --disable-ssse3 disable SSSE3 optimizations
222 --disable-armv5te disable armv5te optimizations
223 --disable-armv6 disable armv6 optimizations
224 --disable-armv6t2 disable armv6t2 optimizations
225 --disable-armvfp disable ARM VFP optimizations
226 --disable-iwmmxt disable iwmmxt optimizations
227 --disable-mmi disable MMI optimizations
228 --disable-neon disable neon optimizations
229 --disable-vis disable VIS optimizations
230 --disable-yasm disable use of yasm assembler
231 --enable-pic build position-independent code
4ae40685 232 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 233 --enable-sram allow use of on-chip SRAM
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234
235Developer options (useful when working on FFmpeg itself):
236 --disable-debug disable debugging symbols
237 --enable-debug=LEVEL set the debug level [$debuglevel]
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238 --disable-optimizations disable compiler optimizations
239 --enable-extra-warnings enable more compiler warnings
240 --disable-stripping disable stripping of executables and shared libraries
2fad0977 241 --samples=PATH location of test samples for FATE
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242
243NOTE: Object files are built at the place where configure is launched.
244EOF
60e8bc13 245 exit 0
74c53c2d 246}
cf9d24ad 247
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248quotes='""'
249
57bd82d4 250log(){
2270b4b2 251 echo "$@" >> $logfile
57bd82d4
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252}
253
720c69da 254log_file(){
c8e9f801 255 log BEGIN $1
2270b4b2 256 pr -n -t $1 >> $logfile
c8e9f801
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257 log END $1
258}
259
2ba042a7 260echolog(){
c8e9f801 261 log "$@"
57bd82d4 262 echo "$@"
2ba042a7
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263}
264
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265warn(){
266 log "WARNING: $*"
267 WARNINGS="${WARNINGS}WARNING: $*\n"
268}
269
2ba042a7
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270die(){
271 echolog "$@"
272 cat <<EOF
d326cf7f 273
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274If you think configure made a mistake, make sure you are using the latest
275version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 276ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 277EOF
e155a21a 278 if disabled logging; then
2ba042a7 279 cat <<EOF
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280Rerun configure with logging enabled (do not use --disable-logging), and
281include the log this produces with your report.
2ba042a7
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282EOF
283 else
284cat <<EOF
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285Include the log file "$logfile" produced by configure as this will help
286solving the problem.
2ba042a7
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287EOF
288 fi
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289 exit 1
290}
291
6c6007d6 292# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 293toupper(){
6c6007d6 294 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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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"
be8f2501
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316 done
317}
318
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319map(){
320 m=$1
321 shift
e0e335a0 322 for v; do eval $m; done
36e2dea0
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323}
324
a8d04fba
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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
72702705
MR
380}
381
382disable_safe(){
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383 for var; do
384 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
385 done
72702705
MR
386}
387
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388do_enable_deep(){
389 for var; do
390 enabled $var && continue
391 eval sel="\$${var}_select"
c510c7b5
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392 eval sgs="\$${var}_suggest"
393 pushvar var sgs
f9d328da 394 enable_deep $sel
c510c7b5
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395 popvar sgs
396 enable_deep_weak $sgs
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397 popvar var
398 done
399}
400
401enable_deep(){
402 do_enable_deep $*
403 enable $*
404}
405
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406enable_deep_weak(){
407 do_enable_deep $*
408 enable_weak $*
409}
410
57bd82d4 411enabled(){
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MR
412 test "${1#!}" = "$1" && op== || op=!=
413 eval test "x\$${1#!}" $op "xyes"
44161118
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414}
415
37970ebf 416disabled(){
3250003c
MR
417 test "${1#!}" = "$1" && op== || op=!=
418 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
419}
420
44161118
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421enabled_all(){
422 for opt; do
423 enabled $opt || return 1
424 done
425}
426
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DB
427disabled_all(){
428 for opt; do
429 disabled $opt || return 1
430 done
431}
432
44161118
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433enabled_any(){
434 for opt; do
435 enabled $opt && return 0
436 done
437}
438
85bca2c5
DB
439disabled_any(){
440 for opt; do
441 disabled $opt && return 0
442 done
f7b230a7 443 return 1
85bca2c5
DB
444}
445
c9d19248
MR
446set_default(){
447 for opt; do
88268e94 448 eval : \${$opt:=\$${opt}_default}
c9d19248
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449 done
450}
451
4a0d6686
AJ
452is_in(){
453 value=$1
454 shift
455 for var in $*; do
456 [ $var = $value ] && return 0
457 done
458 return 1
459}
460
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461check_deps(){
462 for cfg; do
3250003c 463 cfg="${cfg#!}"
799c9e9b
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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"
3d7453e0
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472 eval dep_ifa="\$${cfg}_if"
473 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 474
3d7453e0
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475 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
476 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
477 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 478
3d7453e0
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479 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
480 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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481 enabled_all $dep_all || disable $cfg
482 enabled_any $dep_any || disable $cfg
7ef3425f 483 disabled_any $dep_sel && disable $cfg
799c9e9b 484
4ec45764
RP
485 if enabled $cfg; then
486 eval dep_extralibs="\$${cfg}_extralibs"
487 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 488 enable_deep $dep_sel
c510c7b5 489 enable_deep_weak $dep_sgs
4ec45764
RP
490 fi
491
799c9e9b 492 disable ${cfg}_checking
30fd06be
MR
493 done
494}
495
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496print_config(){
497 pfx=$1
498 header=$2
499 makefile=$3
500 shift 3
501 for cfg; do
5e622c40 502 ucname="$(toupper $cfg)"
44161118 503 if enabled $cfg; then
3d907e22 504 echo "#define ${pfx}${ucname} 1" >> $header
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MR
505 echo "${pfx}${ucname}=yes" >> $makefile
506 else
b250f9c6 507 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 508 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
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509 fi
510 done
57bd82d4
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511}
512
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513append(){
514 var=$1
515 shift
57bd82d4
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516 eval "$var=\"\$$var $*\""
517}
518
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MR
519prepend(){
520 var=$1
521 shift
522 eval "$var=\"$* \$$var\""
523}
524
50a334e4 525add_cppflags(){
caf458dd 526 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
527}
528
57bd82d4 529add_cflags(){
caf458dd 530 append CFLAGS $($filter_cflags "$@")
57bd82d4
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531}
532
2f2e6c7c 533add_asflags(){
caf458dd 534 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
MR
535}
536
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537add_ldflags(){
538 append LDFLAGS "$@"
539}
540
541add_extralibs(){
60361817 542 prepend extralibs "$@"
57bd82d4
MR
543}
544
b0cfb663 545check_cmd(){
b3cb5d51 546 log "$@"
2270b4b2 547 "$@" >> $logfile 2>&1
b0cfb663
MR
548}
549
dcd479c0 550check_cc(){
57bd82d4 551 log check_cc "$@"
2270b4b2 552 cat > $TMPC
720c69da 553 log_file $TMPC
50a334e4 554 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
555}
556
557check_cpp(){
558 log check_cpp "$@"
2270b4b2 559 cat > $TMPC
720c69da 560 log_file $TMPC
9e7f3277 561 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
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562}
563
f65883c8
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564check_as(){
565 log check_as "$@"
566 cat > $TMPC
567 log_file $TMPC
2f2e6c7c 568 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
569}
570
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571check_asm(){
572 log check_asm "$@"
573 name="$1"
3784e82e 574 code="$2"
940f335a 575 shift 2
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576 disable $name
577 check_as "$@" <<EOF && enable $name
3784e82e 578void foo(void){ __asm__ volatile($code); }
940f335a
MR
579EOF
580}
581
304d586d
LM
582check_yasm(){
583 log check_yasm "$@"
584 echo "$1" > $TMPS
585 log_file $TMPS
586 shift 1
587 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
588}
589
dcd479c0 590check_ld(){
57bd82d4 591 log check_ld "$@"
3155a644
MR
592 flags=''
593 libs=''
594 for f; do
595 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
596 done
2a194acd 597 check_cc $($filter_cflags $flags) || return
684b28e0 598 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
599}
600
50a334e4
MR
601check_cppflags(){
602 log check_cppflags "$@"
caf458dd
MR
603 set -- $($filter_cppflags "$@")
604 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
605int x;
606EOF
607}
608
dcd479c0 609check_cflags(){
57bd82d4 610 log check_cflags "$@"
caf458dd
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611 set -- $($filter_cflags "$@")
612 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
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613int x;
614EOF
615}
616
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617test_ldflags(){
618 log test_ldflags "$@"
619 check_ld "$@" <<EOF
c23a0ac8 620int main(void){ return 0; }
dcd479c0
MR
621EOF
622}
623
2ed46eea
MR
624check_ldflags(){
625 log check_ldflags "$@"
626 test_ldflags "$@" && add_ldflags "$@"
627}
628
dcd479c0 629check_header(){
57bd82d4 630 log check_header "$@"
dcd479c0
MR
631 header=$1
632 shift
b77df637
MR
633 disable_safe $header
634 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
635#include <$header>
636int x;
637EOF
638}
639
640check_func(){
57bd82d4 641 log check_func "$@"
dcd479c0
MR
642 func=$1
643 shift
d8bc5f06
MR
644 disable $func
645 check_ld "$@" <<EOF && enable $func
dcd479c0 646extern int $func();
c23a0ac8 647int main(void){ $func(); }
dcd479c0
MR
648EOF
649}
650
645d2652 651check_mathfunc(){
6b73c0ae 652 log check_mathfunc "$@"
645d2652
MR
653 func=$1
654 shift
655 disable $func
656 check_ld "$@" <<EOF && enable $func
657#include <math.h>
33bd38db
MR
658float foo(float f) { return $func(f); }
659int main(void){ return 0; }
645d2652
MR
660EOF
661}
662
2446d3d6
DB
663check_func_headers(){
664 log check_func_headers "$@"
f8d7b072
MR
665 headers=$1
666 func=$2
667 shift 2
668 disable $func
669 incs=""
670 for hdr in $headers; do
671 incs="$incs
672#include <$hdr>"
673 done
cd0d9a9d 674 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 675$incs
d6773f56 676int main(int argc, char **argv){
2b2c2a81 677 return (long) $func;
f8d7b072
MR
678}
679EOF
680}
681
a5344cf7
SS
682check_cpp_condition(){
683 log check_cpp_condition "$@"
684 header=$1
685 condition=$2
f855b7b9
MR
686 shift 2
687 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
688#include <$header>
689#if !($condition)
690#error "unsatisfied condition: $condition"
691#endif
692EOF
693}
694
57bd82d4
MR
695check_lib(){
696 log check_lib "$@"
697 header="$1"
698 func="$2"
699 shift 2
84400e9d 700 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
701}
702
f8d7b072
MR
703check_lib2(){
704 log check_lib2 "$@"
705 headers="$1"
706 func="$2"
707 shift 2
300cde27 708 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
709}
710
dcd479c0 711check_exec(){
2270b4b2 712 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
713}
714
7dfef245 715check_exec_crash(){
5e622c40 716 code=$(cat)
7dfef245
MR
717
718 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
719 # are safe but may not be available everywhere. Thus we use
720 # raise(SIGTERM) instead. The check is run in a subshell so we
721 # can redirect the "Terminated" message from the shell. SIGBUS
722 # is not defined by standard C so it is used conditionally.
723
2270b4b2 724 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
725#include <signal.h>
726static void sighandler(int sig){
727 raise(SIGTERM);
728}
e5af4a11 729int main(void){
7dfef245
MR
730 signal(SIGILL, sighandler);
731 signal(SIGFPE, sighandler);
732 signal(SIGSEGV, sighandler);
733#ifdef SIGBUS
734 signal(SIGBUS, sighandler);
735#endif
736 { $code }
737}
738EOF
739}
740
72be9e73
DY
741check_type(){
742 log check_type "$@"
743 headers=$1
744 type=$2
745 shift 2
ae550ce9 746 disable_safe "$type"
72be9e73
DY
747 incs=""
748 for hdr in $headers; do
749 incs="$incs
750#include <$hdr>"
751 done
ae550ce9 752 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
753$incs
754$type v;
755EOF
756}
757
14d36751
MR
758check_struct(){
759 log check_type "$@"
760 headers=$1
761 struct=$2
762 member=$3
763 shift 3
764 disable_safe "${struct}_${member}"
765 incs=""
766 for hdr in $headers; do
767 incs="$incs
768#include <$hdr>"
769 done
770 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
771$incs
772const void *p = &(($struct *)0)->$member;
773EOF
774}
775
57bd82d4
MR
776require(){
777 name="$1"
778 header="$2"
779 func="$3"
780 shift 3
781 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
782}
783
f8d7b072
MR
784require2(){
785 name="$1"
786 headers="$2"
787 func="$3"
788 shift 3
789 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
790}
791
f0125de9
MR
792check_host_cc(){
793 log check_host_cc "$@"
794 cat > $TMPC
795 log_file $TMPC
796 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
797}
798
799check_host_cflags(){
800 log check_host_cflags "$@"
801 check_host_cc "$@" <<EOF && append host_cflags "$@"
802int x;
803EOF
804}
805
c505dd31
MR
806apply(){
807 file=$1
808 shift
809 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
810}
811
c34681df
MR
812cp_if_changed(){
813 cmp -s "$1" "$2" &&
814 echo "$2 is unchanged" ||
815 cp -f "$1" "$2"
816}
817
dcd61286
DB
818# CONFIG_LIST contains configurable options, while HAVE_LIST is for
819# system-dependent things.
820
4a0d6686
AJ
821COMPONENT_LIST="
822 bsfs
823 decoders
824 demuxers
825 encoders
3cde40aa 826 filters
5666fd73 827 hwaccels
c552605c 828 indevs
4a0d6686 829 muxers
c552605c 830 outdevs
4a0d6686
AJ
831 parsers
832 protocols
833"
834
835CONFIG_LIST="
836 $COMPONENT_LIST
e8ed9b7a 837 aandct
5a0f7131
MR
838 avcodec
839 avdevice
f7679c54
VS
840 avfilter
841 avfilter_lavf
5a0f7131 842 avformat
c88f5d72 843 avisynth
f402916e 844 bzlib
7f3f5f46 845 dct
c73f65d9 846 doc
05aec7bb 847 dwt
92c6a099 848 dxva2
27a9466b 849 fastdiv
c88f5d72
MR
850 ffmpeg
851 ffplay
336ce917 852 ffprobe
c88f5d72 853 ffserver
1848f7d9 854 fft
4f034993 855 golomb
c88f5d72 856 gpl
d8d0d0b2 857 gray
4693b031 858 h264dsp
3abe5fbd 859 hardcoded_tables
f7b8bffe 860 libdc1394
690bfceb 861 libdirac
2eed5a46 862 libfaac
c88f5d72 863 libgsm
6ebe07fb 864 libmp3lame
c88f5d72 865 libnut
0b175caa
DB
866 libopencore_amrnb
867 libopencore_amrwb
9a77d59a 868 libopenjpeg
0f943ce6 869 librtmp
f7cd9eed 870 libschroedinger
ae14f311 871 libspeex
150d2772 872 libtheora
c88f5d72 873 libvorbis
8299a7f8 874 libvpx
1cc60c47
DB
875 libx264
876 libxvid
f4d608e3 877 lpc
b781cc12 878 lsp
47a158cb 879 mdct
c88f5d72 880 memalign_hack
a8150374 881 mlib
c88f5d72
MR
882 mpegaudio_hp
883 network
3fe142e2 884 nonfree
8a3c8627 885 pic
4a24ab64 886 postproc
68602540 887 rdft
e90f5b5a 888 runtime_cpudetect
2e35e684 889 shared
bd2216e4 890 small
6b35d421 891 sram
2e35e684 892 static
5a0f7131 893 swscale
a9ddb5b1 894 swscale_alpha
17492d5e
DB
895 vaapi
896 vdpau
9cad0e4e 897 version3
56a059ac 898 x11grab
c88f5d72 899 zlib
4a0d6686 900"
c88f5d72 901
8eee7025 902THREADS_LIST='
8eee7025
DB
903 pthreads
904 w32threads
905'
906
3f5b56e5
MR
907ARCH_LIST='
908 alpha
a2fc0f6a 909 arm
fdcd782d
MR
910 avr32
911 avr32_ap
912 avr32_uc
3f5b56e5
MR
913 bfin
914 ia64
915 m68k
916 mips
bae3abb0 917 mips64
3f5b56e5 918 parisc
79cb09b2 919 ppc
34d11b87 920 ppc64
3f5b56e5
MR
921 s390
922 sh4
923 sparc
924 sparc64
0844bae1 925 tomi
3f5b56e5
MR
926 x86
927 x86_32
928 x86_64
929'
930
931ARCH_EXT_LIST='
1ac9331a 932 altivec
3bf96eec 933 amd3dnow
a1ef9f08 934 amd3dnowext
1ac9331a 935 armv5te
edab3048 936 armv6
ab5cb084 937 armv6t2
f55b299a 938 armvfp
3f5b56e5
MR
939 iwmmxt
940 mmi
941 mmx
d7f0920b 942 mmx2
6b18d278 943 neon
799fde37 944 ppc4xx
1bb04d5a 945 sse
9eeed841 946 ssse3
bd9d34a0 947 vis
3f5b56e5
MR
948'
949
a3e02a8c
MR
950HAVE_LIST_PUB='
951 bigendian
952'
953
3f5b56e5
MR
954HAVE_LIST="
955 $ARCH_EXT_LIST
a3e02a8c 956 $HAVE_LIST_PUB
3f5b56e5 957 $THREADS_LIST
35fd8122 958 alsa_asoundlib_h
3f5b56e5 959 altivec_h
c9fdab0d 960 arpa_inet_h
dffb41b9 961 attribute_may_alias
e7ea5e3d 962 attribute_packed
6bd859d6 963 bswap
ecf97f22 964 closesocket
1ac9331a 965 cmov
e16e49ac 966 conio_h
c88f5d72 967 dcbzl
f8aa696f
DB
968 dev_bktr_ioctl_bt848_h
969 dev_bktr_ioctl_meteor_h
970 dev_ic_bt8xx_h
971 dev_video_meteor_ioctl_meteor_h
972 dev_video_bktr_ioctl_bt848_h
18b67ae5 973 dlfcn_h
c88f5d72 974 dlopen
bc574408 975 dos_paths
245626d0
DB
976 ebp_available
977 ebx_available
6b7c7703
VS
978 exp2
979 exp2f
c2a29455 980 fast_64bit
669b5583 981 fast_clz
7073e9fc 982 fast_cmov
7b829d2a 983 fast_unaligned
534a2231 984 fcntl
9d99cc5a 985 fork
84882df6 986 getaddrinfo
da9e86f8 987 gethrtime
fc5607f8 988 GetProcessMemoryInfo
4e68cb8a 989 GetProcessTimes
66be5b45 990 getrusage
fc5607f8 991 struct_rusage_ru_maxrss
2e1913b1 992 inet_aton
61d251db 993 inline_asm
abfc8d05 994 isatty
9f5ff83f 995 ldbrx
0b4a1821
AS
996 libdc1394_1
997 libdc1394_2
a33cab3a 998 llrint
07876e25 999 llrintf
d96cd429
MR
1000 local_aligned_16
1001 local_aligned_8
291fd18a 1002 log2
6b7c7703 1003 log2f
85dd97ad 1004 loongson
a33cab3a 1005 lrint
c88f5d72 1006 lrintf
e4673692 1007 lzo1x_999_compress
f8aa696f
DB
1008 machine_ioctl_bt848_h
1009 machine_ioctl_meteor_h
c88f5d72
MR
1010 malloc_h
1011 memalign
6ffa87d3 1012 mkstemp
b4e806b2 1013 pld
1f91cdce 1014 posix_memalign
a33cab3a
MK
1015 round
1016 roundf
c88f5d72
MR
1017 sdl
1018 sdl_video_size
b507ebd1 1019 setmode
72be9e73 1020 socklen_t
deb29777 1021 soundcard_h
f8cda19e 1022 poll_h
0104b608 1023 setrlimit
87958234 1024 strerror_r
c0018613 1025 struct_addrinfo
b4d68544
MS
1026 struct_ipv6_mreq
1027 struct_sockaddr_in6
3b2372bf 1028 struct_sockaddr_sa_len
33a4dbdd 1029 struct_sockaddr_storage
b462d132
MR
1030 symver
1031 symver_gnu_asm
1032 symver_asm_label
b58412f1 1033 sys_mman_h
b091aa44 1034 sys_resource_h
81644c2e 1035 sys_select_h
deb29777 1036 sys_soundcard_h
1b6e8b73 1037 sys_videoio_h
d3a4b4e0 1038 ten_operands
e16e49ac 1039 termios_h
b265431e 1040 threads
7b04b8a0 1041 truncf
ce742de2 1042 vfp_args
7c5bfe7a 1043 VirtualAlloc
6ff3f3e7 1044 winsock2_h
cc078b5d 1045 xform_asm
304d586d 1046 yasm
0cb78cef 1047"
44161118 1048
b6bb00b0
MR
1049# options emitted with CONFIG_ prefix but not available on command line
1050CONFIG_EXTRA="
dc4f5a1c 1051 avutil
9cad0e4e
DB
1052 gplv3
1053 lgplv3
b6bb00b0
MR
1054"
1055
520cc7f1 1056CMDLINE_SELECT="
3f5b56e5 1057 $ARCH_EXT_LIST
520cc7f1 1058 $CONFIG_LIST
8eee7025 1059 $THREADS_LIST
c8a4ae00 1060 asm
db6107b6 1061 cross_compile
520cc7f1
MR
1062 debug
1063 extra_warnings
8c6afa4d 1064 logging
d2bbb2f7 1065 optimizations
87a0fb62 1066 stripping
7595a5e4 1067 yasm
520cc7f1 1068"
426be5dc
DB
1069
1070PATHS_LIST='
d156bede 1071 bindir
14a8acf1 1072 datadir
26759c44
MR
1073 incdir
1074 libdir
26759c44
MR
1075 mandir
1076 prefix
1077 shlibdir
426be5dc
DB
1078'
1079
1080CMDLINE_SET="
1081 $PATHS_LIST
121d78d0 1082 ar
426be5dc 1083 arch
313c46a6 1084 as
426be5dc
DB
1085 build_suffix
1086 cc
1087 cpu
1088 cross_prefix
50567afa 1089 dep_cc
ac63af34 1090 extra_version
9da6609f
MR
1091 host_cc
1092 host_cflags
1093 host_ldflags
1094 host_libs
82bb3329 1095 host_os
684b28e0 1096 ld
426be5dc 1097 logfile
4ae40685 1098 malloc_prefix
89641463 1099 nm
2fad0977 1100 samples
26759c44 1101 source_path
4f837398 1102 strip
c5200f17
MR
1103 sysinclude
1104 sysroot
a7ada2ba 1105 target_exec
26759c44 1106 target_os
a7ada2ba 1107 target_path
426be5dc 1108"
520cc7f1 1109
89f2932b
MR
1110CMDLINE_APPEND="
1111 extra_cflags
1112"
1113
912f3148
DB
1114# code dependency declarations
1115
9eeed841 1116# architecture extensions
808fa33c 1117
a2fc0f6a
MR
1118armv5te_deps="arm"
1119armv6_deps="arm"
ab5cb084 1120armv6t2_deps="arm"
a2fc0f6a
MR
1121armvfp_deps="arm"
1122iwmmxt_deps="arm"
808fa33c
MR
1123neon_deps="arm"
1124
e241ba14 1125mmi_deps="mips"
808fa33c
MR
1126
1127altivec_deps="ppc"
1128ppc4xx_deps="ppc"
1129
1130vis_deps="sparc"
1131
7f8c3d1f 1132x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1133amd3dnow_deps="mmx"
1134amd3dnowext_deps="amd3dnow"
9eeed841 1135mmx_deps="x86"
75aa95a6 1136mmx2_deps="mmx"
75aa95a6
DB
1137sse_deps="mmx"
1138ssse3_deps="sse"
9eeed841 1139
e939cedd 1140fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1141fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1142fast_unaligned_if_any="armv6 ppc x86"
669b5583 1143
89e053f8 1144need_memalign="altivec neon sse"
6fec122a 1145inline_asm_deps="!tms470"
89e053f8 1146
b462d132
MR
1147symver_if_any="symver_asm_label symver_gnu_asm"
1148
26fbcc85
MR
1149# subsystems
1150mdct_select="fft"
1151rdft_select="fft"
1152
5666fd73 1153# decoders / encoders / hardware accelerators
49351479 1154aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1155aac_encoder_select="mdct"
1156ac3_decoder_select="mdct ac3_parser"
f4d608e3 1157alac_encoder_select="lpc"
b781cc12 1158amrnb_decoder_select="lsp"
084cbbaa 1159atrac1_decoder_select="mdct"
26fbcc85
MR
1160atrac3_decoder_select="mdct"
1161binkaudio_dct_decoder_select="mdct rdft dct"
1162binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1163cavs_decoder_select="golomb"
26fbcc85 1164cook_decoder_select="mdct"
2eef7c62 1165cscd_decoder_suggest="zlib"
26fbcc85 1166dca_decoder_select="mdct"
e8ed9b7a 1167dnxhd_encoder_select="aandct"
2eef7c62 1168dxa_decoder_select="zlib"
baf91bb9 1169eac3_decoder_select="ac3_decoder"
84c04e25 1170eamad_decoder_select="aandct"
e8ed9b7a 1171eatgq_decoder_select="aandct"
d52b39c7 1172eatqi_decoder_select="aandct"
4f034993
MR
1173ffv1_decoder_select="golomb"
1174flac_decoder_select="golomb"
f4d608e3 1175flac_encoder_select="golomb lpc"
2eef7c62
AJ
1176flashsv_decoder_select="zlib"
1177flashsv_encoder_select="zlib"
4414137e 1178flv_decoder_select="h263_decoder"
4d4b4bd1 1179flv_encoder_select="h263_encoder"
e8ed9b7a 1180h261_encoder_select="aandct"
7f647ae0 1181h263_decoder_select="h263_parser"
e8ed9b7a 1182h263_encoder_select="aandct"
95a61cfc 1183h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1184h263i_decoder_select="h263_decoder"
fe629c2d 1185h263p_encoder_select="h263_encoder"
4693b031 1186h264_decoder_select="golomb h264dsp"
92c6a099
LA
1187h264_dxva2_hwaccel_deps="dxva2api_h"
1188h264_dxva2_hwaccel_select="dxva2 h264_decoder"
17492d5e 1189h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1190h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1191imc_decoder_select="fft mdct"
4f034993
MR
1192jpegls_decoder_select="golomb"
1193jpegls_encoder_select="golomb"
e8ed9b7a 1194ljpeg_encoder_select="aandct"
4f034993 1195loco_decoder_select="golomb"
e8ed9b7a 1196mjpeg_encoder_select="aandct"
2cca233b 1197mlp_decoder_select="mlp_parser"
d9da8f10
AJ
1198mp1float_decoder_select="dct"
1199mp2float_decoder_select="dct"
1200mp3adufloat_decoder_select="dct"
1201mp3float_decoder_select="dct"
1202mp3on4float_decoder_select="dct"
e8ed9b7a
DB
1203mpeg1video_encoder_select="aandct"
1204mpeg2video_encoder_select="aandct"
4414137e 1205mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1206mpeg4_encoder_select="h263_encoder"
95a61cfc 1207mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1208mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
164aab02
LA
1209mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1210mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1211mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
95a61cfc 1212mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1213mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1214mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1215mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1216msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1217msmpeg4v1_encoder_select="h263_encoder"
4414137e 1218msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1219msmpeg4v2_encoder_select="h263_encoder"
4414137e 1220msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1221msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1222nellymoser_decoder_select="mdct"
1223nellymoser_encoder_select="mdct"
2eef7c62
AJ
1224png_decoder_select="zlib"
1225png_encoder_select="zlib"
b781cc12 1226qcelp_decoder_select="lsp"
26fbcc85 1227qdm2_decoder_select="mdct rdft"
31ed3f1f 1228ra_144_encoder_select="lpc"
a8beb22f 1229rv10_decoder_select="h263_decoder"
b2bf38b4 1230rv10_encoder_select="h263_encoder"
a8beb22f 1231rv20_decoder_select="h263_decoder"
b2bf38b4 1232rv20_encoder_select="h263_encoder"
4693b031
MR
1233rv30_decoder_select="golomb h264dsp"
1234rv40_decoder_select="golomb h264dsp"
4f034993 1235shorten_decoder_select="golomb"
b781cc12 1236sipr_decoder_select="lsp"
05aec7bb
MR
1237snow_decoder_select="dwt"
1238snow_encoder_select="aandct dwt"
4f034993
MR
1239sonic_decoder_select="golomb"
1240sonic_encoder_select="golomb"
1241sonic_ls_encoder_select="golomb"
19ecfb8a 1242svq1_encoder_select="aandct"
4693b031 1243svq3_decoder_select="golomb h264dsp"
bee2eac5 1244svq3_decoder_suggest="zlib"
4eef77c1 1245theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1246tiff_decoder_suggest="zlib"
1247tiff_encoder_suggest="zlib"
aec09a00 1248truehd_decoder_select="mlp_decoder"
2eef7c62 1249tscc_decoder_select="zlib"
b781cc12 1250twinvq_decoder_select="mdct lsp"
f95bfab0 1251vc1_decoder_select="h263_decoder"
9104cd51 1252vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1253vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1254vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1255vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1256vorbis_decoder_select="mdct"
1257vorbis_encoder_select="mdct"
e82dc4c9
DB
1258vp6a_decoder_select="vp6_decoder"
1259vp6f_decoder_select="vp6_decoder"
0912db02 1260vp8_decoder_select="h264dsp"
084cbbaa 1261wmapro_decoder_select="mdct"
26fbcc85
MR
1262wmav1_decoder_select="mdct"
1263wmav1_encoder_select="mdct"
1264wmav2_decoder_select="mdct"
1265wmav2_encoder_select="mdct"
005ad8a0 1266wmavoice_decoder_select="lsp rdft dct"
f95bfab0 1267wmv1_decoder_select="h263_decoder"
665507aa 1268wmv1_encoder_select="h263_encoder"
f95bfab0 1269wmv2_decoder_select="h263_decoder"
1746e2a9 1270wmv2_encoder_select="h263_encoder"
015f8ee0 1271wmv3_decoder_select="vc1_decoder"
f0f86627 1272wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1273wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1274wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1275zlib_decoder_select="zlib"
1276zlib_encoder_select="zlib"
1277zmbv_decoder_select="zlib"
1278zmbv_encoder_select="zlib"
30fd06be 1279
0afab17e 1280vaapi_deps="va_va_h"
c89c96e9
MR
1281vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1282
28b80940 1283# parsers
4693b031 1284h264_parser_select="golomb h264dsp"
28b80940 1285
f1e94694
DB
1286# bitstream_filters
1287aac_adtstoasc_bsf_select="aac_parser"
1288
912f3148 1289# external libraries
1b71f045 1290libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1291libdirac_encoder_deps="libdirac"
c9171a83 1292libfaac_encoder_deps="libfaac"
299c77d5
MR
1293libgsm_decoder_deps="libgsm"
1294libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1295libgsm_ms_decoder_deps="libgsm"
1296libgsm_ms_encoder_deps="libgsm"
1cc60c47 1297libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1298libopencore_amrnb_decoder_deps="libopencore_amrnb"
1299libopencore_amrnb_encoder_deps="libopencore_amrnb"
1300libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1301libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1302libschroedinger_decoder_deps="libschroedinger"
1303libschroedinger_encoder_deps="libschroedinger"
ae14f311 1304libspeex_decoder_deps="libspeex"
150d2772 1305libtheora_encoder_deps="libtheora"
b0caf888 1306libvorbis_encoder_deps="libvorbis"
8299a7f8 1307libvpx_decoder_deps="libvpx"
ee0e9146 1308libvpx_encoder_deps="libvpx"
1cc60c47
DB
1309libx264_encoder_deps="libx264"
1310libxvid_encoder_deps="libxvid"
30fd06be 1311
912f3148 1312# demuxers / muxers
03a76ba9 1313ac3_demuxer_deps="ac3_parser"
647c2356 1314asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1315avisynth_demuxer_deps="avisynth"
1316dirac_demuxer_deps="dirac_parser"
5b423887 1317eac3_demuxer_select="ac3_parser"
647c2356 1318ipod_muxer_select="mov_muxer"
4e622dea
SS
1319libnut_demuxer_deps="libnut"
1320libnut_muxer_deps="libnut"
647c2356 1321matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1322matroska_demuxer_suggest="zlib bzlib"
1323mov_demuxer_suggest="zlib"
1324mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1325mp4_muxer_select="mov_muxer"
1326mpegtsraw_demuxer_select="mpegts_demuxer"
1327mxf_d10_muxer_select="mxf_muxer"
24ca518b 1328ogg_demuxer_select="golomb"
647c2356 1329psp_muxer_select="mov_muxer"
4e622dea 1330rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1331rtsp_muxer_deps="sdp_demuxer"
1332rtsp_muxer_select="rtp_muxer"
4e622dea 1333sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1334sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1335spdif_muxer_select="aac_parser"
647c2356
DB
1336tg2_muxer_select="mov_muxer"
1337tgp_muxer_select="mov_muxer"
6bdaa5f4 1338w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1339
1340# indevs / outdevs
38e54a75
SS
1341alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1342alsa_indev_extralibs="-lasound"
1343alsa_outdev_deps="alsa_asoundlib_h"
1344alsa_outdev_extralibs="-lasound"
38e54a75 1345bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1346dv1394_indev_deps="dv1394 dv_demuxer"
1347jack_indev_deps="jack_jack_h"
1348jack_indev_extralibs="-ljack"
1349libdc1394_indev_deps="libdc1394"
38e54a75
SS
1350oss_indev_deps_any="soundcard_h sys_soundcard_h"
1351oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1352v4l_indev_deps="linux_videodev_h"
1353v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1354vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1355vfwcap_indev_extralibs="-lavicap32"
38e54a75 1356x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1357x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1358
912f3148 1359# protocols
3fff6382 1360gopher_protocol_deps="network"
c08fb000 1361http_protocol_deps="network"
279a0c97 1362http_protocol_select="tcp_protocol"
b4cf3f6c 1363mmst_protocol_deps="network"
deeb7012
MS
1364rtmp_protocol_select="tcp_protocol"
1365rtp_protocol_select="udp_protocol"
c08fb000
AB
1366tcp_protocol_deps="network"
1367udp_protocol_deps="network"
1368
f7679c54 1369# filters
81124ba0 1370movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1371avfilter_lavf_deps="avformat"
1372
1373# libraries
1374avdevice_deps="avcodec avformat"
1375avformat_deps="avcodec"
f7679c54 1376
912f3148 1377# programs
5a0f7131 1378ffmpeg_deps="avcodec avformat swscale"
21ae6790 1379ffmpeg_select="buffer_filter"
5a0f7131 1380ffplay_deps="avcodec avformat swscale sdl"
43689902 1381ffplay_select="rdft"
336ce917 1382ffprobe_deps="avcodec avformat"
5a0f7131 1383ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1384ffserver_extralibs='$ldl'
a2830dca 1385
c73f65d9 1386doc_deps="texi2html"
912f3148 1387
de6d9b64 1388# default parameters
8a608357 1389
19bd477d 1390logfile="config.log"
8a608357
MR
1391
1392# installation paths
c9d19248
MR
1393prefix_default="/usr/local"
1394bindir_default='${prefix}/bin'
14a8acf1 1395datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1396incdir_default='${prefix}/include'
1397libdir_default='${prefix}/lib'
1398mandir_default='${prefix}/share/man'
1399shlibdir_default="$libdir_default"
8a608357
MR
1400
1401# toolchain
121d78d0 1402ar_default="ar"
13c7df3d 1403cc_default="gcc"
a3d7c197 1404cc_version=\"unknown\"
9da6609f 1405host_cc_default="gcc"
11e6d03a 1406ln_s="ln -sf"
89641463 1407nm_default="nm"
11e6d03a 1408objformat="elf"
be7109c1 1409ranlib="ranlib"
4f837398 1410strip_default="strip"
11e6d03a 1411yasmexe="yasm"
8a608357 1412
8182dc34
MR
1413nm_opts='-g'
1414
8a608357 1415# machine
8d4c00ed 1416arch_default=$(uname -m)
38d0a8aa 1417cpu="generic"
8a608357 1418
8a608357 1419# OS
8d4c00ed
MR
1420target_os_default=$(tolower $(uname -s))
1421host_os=$target_os_default
8a608357 1422
8a608357 1423# configurable options
5a0f7131
MR
1424enable avcodec
1425enable avdevice
cccc039f 1426enable avfilter
5a0f7131 1427enable avformat
dc4f5a1c 1428enable avutil
c8a4ae00 1429enable asm
497237c7 1430enable debug
c73f65d9 1431enable doc
aa033b1e 1432enable fastdiv
497237c7
RP
1433enable ffmpeg
1434enable ffplay
336ce917 1435enable ffprobe
497237c7 1436enable ffserver
497237c7
RP
1437enable mpegaudio_hp
1438enable network
8400d6b8 1439enable optimizations
497237c7 1440enable protocols
530dc538 1441enable static
87a0fb62 1442enable stripping
5a0f7131 1443enable swscale
a9ddb5b1 1444enable swscale_alpha
8a608357 1445
8a608357 1446# build settings
9987769a 1447SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1448FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1449LIBPREF="lib"
1450LIBSUF=".a"
c5f14466
RP
1451FULLNAME='$(NAME)$(BUILDSUF)'
1452LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1453SLIBPREF="lib"
1454SLIBSUF=".so"
c5f14466 1455SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1456SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1457SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1458LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1459
7e6c86e6
MR
1460CC_O='-o $@'
1461
f0125de9 1462host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1463host_libs='-lm'
1464
9b861379 1465target_path='$(CURDIR)'
a7ada2ba 1466
a158446b
MR
1467# since the object filename is not given with the -MM flag, the compiler
1468# is only able to print the basename, and we must add the path ourselves
c1c3933a 1469DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1470DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1471
c597172e 1472# find source path
5e622c40 1473source_path="$(dirname "$0")"
497237c7 1474enable source_path_used
24524f36 1475if test -f configure; then
5e622c40 1476 source_path="$(pwd)"
497237c7 1477 disable source_path_used
c597172e 1478else
5e622c40 1479 source_path="$(cd "$source_path"; pwd)"
c597172e 1480 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1481 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1482 test -e "$source_path/config.h" &&
1483 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1484fi
1485
13cbe2c0 1486for v in "$@"; do
b04251c5
MR
1487 r=${v#*=}
1488 l=${v%"$r"}
1489 r=$(sh_quote "$r")
13cbe2c0
MR
1490 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1491done
c597172e 1492
73ef8980
MR
1493find_things(){
1494 thing=$1
1495 pattern=$2
1496 file=$source_path/$3
932ccf39 1497 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1498}
1499
1500ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1501DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1502HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1503PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1504BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1505MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1506DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1507OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1508INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1509PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1510FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1511
8469ae22
MR
1512for n in $COMPONENT_LIST; do
1513 v=$(toupper ${n%s})_LIST
1514 eval enable \$$v
1515 eval ${n}_if_any="\$$v"
1516done
1517
1518enable $ARCH_EXT_LIST
c597172e
MR
1519
1520die_unknown(){
1521 echo "Unknown option \"$1\"."
1522 echo "See $0 --help for available options."
1523 exit 1
1524}
1525
794f8e97 1526show_list() {
bf0c4afa
RP
1527 suffix=_$1
1528 shift
2b444ea7 1529 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1530 exit 0
1531}
1532
c597172e 1533for opt do
7483e694
DB
1534 optval="${opt#*=}"
1535 case "$opt" in
0f010b2f 1536 --extra-ldflags=*) add_ldflags $optval
7483e694 1537 ;;
0f010b2f 1538 --extra-libs=*) add_extralibs $optval
7483e694 1539 ;;
8fb1cb58 1540 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1541 ;;
40bcf4c7
BL
1542 --enable-debug=*) debuglevel="$optval"
1543 ;;
36e2dea0 1544 --disable-everything)
1b15dc3c 1545 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1546 ;;
7483e694 1547 --enable-*=*|--disable-*=*)
8b93ddc3 1548 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1549 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1550 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1551 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1552 $action $(filter "$name" $list)
7483e694
DB
1553 ;;
1554 --enable-?*|--disable-?*)
5e622c40 1555 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1556 if is_in $option $COMPONENT_LIST; then
fed5d54b 1557 test $action = disable && action=unset
e3773a55
MR
1558 eval $action \$$(toupper ${option%s})_LIST
1559 elif is_in $option $CMDLINE_SELECT; then
1560 $action $option
1561 else
1562 die_unknown $opt
1563 fi
7483e694
DB
1564 ;;
1565 --list-*)
1566 NAME="${opt#--list-}"
1567 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1568 NAME=${NAME%s}
1569 eval show_list $NAME \$$(toupper $NAME)_LIST
1570 ;;
1571 --help|-h) show_help
1572 ;;
1573 *)
884a36a7 1574 optname="${opt%%=*}"
26759c44
MR
1575 optname="${optname#--}"
1576 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1577 if is_in $optname $CMDLINE_SET; then
1578 eval $optname='$optval'
1579 elif is_in $optname $CMDLINE_APPEND; then
1580 append $optname "$optval"
1581 else
1582 die_unknown $opt
1583 fi
7483e694
DB
1584 ;;
1585 esac
c597172e
MR
1586done
1587
bcea99bb
MR
1588disabled logging && logfile=/dev/null
1589
13cbe2c0 1590echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1591set >> $logfile
1592
9da6609f
MR
1593test -n "$cross_prefix" && enable cross_compile
1594
8d4c00ed
MR
1595if enabled cross_compile; then
1596 test -n "$arch" && test -n "$target_os" ||
1597 die "Must specify target arch and OS when cross-compiling"
1598fi
1599
1600set_default arch target_os
1601
121d78d0 1602ar_default="${cross_prefix}${ar_default}"
11e6d03a 1603cc_default="${cross_prefix}${cc_default}"
20e0ed95 1604nm_default="${cross_prefix}${nm_default}"
adb2b908 1605ranlib="${cross_prefix}${ranlib}"
4f837398 1606strip_default="${cross_prefix}${strip_default}"
adb2b908 1607
c5200f17
MR
1608sysinclude_default="${sysroot}/usr/include"
1609
4f837398 1610set_default cc nm strip sysinclude
9da6609f
MR
1611enabled cross_compile || host_cc_default=$cc
1612set_default host_cc
13c7df3d 1613
82bb3329
MR
1614exesuf() {
1615 case $1 in
1616 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1617 esac
1618}
1619
1620EXESUF=$(exesuf $target_os)
1621HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1622
e4e69e0b 1623# set temporary file name
a49d42c2 1624: ${TMPDIR:=$TEMPDIR}
c51fafa1 1625: ${TMPDIR:=$TMP}
a49d42c2 1626: ${TMPDIR:=/tmp}
e4e69e0b 1627
54460a83
MR
1628if ! check_cmd type mktemp; then
1629 # simple replacement for missing mktemp
1630 # NOT SAFE FOR GENERAL USE
1631 mktemp(){
1632 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1633 }
1634fi
1635
1636tmpfile(){
1637 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1638 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1639 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1640 append TMPFILES $tmp
1641 eval $1=$tmp
1642}
1643
1644trap 'rm -f -- $TMPFILES' EXIT
1645trap exit HUP INT TERM
1646
1647tmpfile TMPC .c
1648tmpfile TMPE $EXESUF
1649tmpfile TMPH .h
1650tmpfile TMPO .o
1651tmpfile TMPS .S
a482e61b 1652tmpfile TMPV .ver
54460a83
MR
1653tmpfile TMPSH .sh
1654
1655unset -f mktemp
e4e69e0b 1656
993f2d0f
MR
1657# make sure we can execute files in $TMPDIR
1658cat > $TMPSH 2>> $logfile <<EOF
1659#! /bin/sh
1660EOF
1661chmod +x $TMPSH >> $logfile 2>&1
1662if ! $TMPSH >> $logfile 2>&1; then
1663 cat <<EOF
1664Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1665variable to another directory and make sure that it is not mounted noexec.
1666EOF
1667 die "Sanity test failed."
1668fi
993f2d0f 1669
19b4c628
MR
1670filter_cflags=echo
1671filter_cppflags=echo
1672filter_asflags=echo
1673
8f0c157a 1674if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1675 cc_type=gcc
a3d7c197 1676 cc_version=__VERSION__
aef6bd1b
MR
1677 if ! $cc -dumpversion | grep -q '^2\.'; then
1678 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1679 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1680 fi
14ca9cd0
MR
1681 speed_cflags='-O3'
1682 size_cflags='-Os'
629687f6
MR
1683elif $cc --version 2>/dev/null | grep -q Intel; then
1684 cc_type=icc
6e3fa35d 1685 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1686 CC_DEPFLAGS='-MMD'
1687 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1688 speed_cflags='-O3'
1689 size_cflags='-Os'
b05394a0 1690 noopt_cflags='-O1'
629687f6
MR
1691elif $cc -v 2>&1 | grep -q xlc; then
1692 cc_type=xlc
6e3fa35d 1693 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1694 speed_cflags='-O5'
1695 size_cflags='-O5 -qcompact'
df442a8d
MR
1696elif $cc -V 2>/dev/null | grep -q Compaq; then
1697 cc_type=ccc
6e3fa35d 1698 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1699 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1700 debuglevel=3
df442a8d 1701 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1702 speed_cflags='-fast'
1703 size_cflags='-O1'
6a0d5493 1704elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1705 test -d "$sysroot" || die "No valid sysroot specified."
1706 cc_type=armcc
6e3fa35d 1707 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1708 armcc_conf="$PWD/armcc.conf"
1709 $cc --arm_linux_configure \
1710 --arm_linux_config_file="$armcc_conf" \
1711 --configure_sysroot="$sysroot" \
1712 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1713 die "Error creating armcc configuration file."
1714 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1715 as_default="${cross_prefix}gcc"
07dec06e
MR
1716 CC_DEPFLAGS='-MMD'
1717 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1718 speed_cflags='-O3'
1719 size_cflags='-Os'
6fec122a
MR
1720elif $cc -version 2>/dev/null | grep -q TMS470; then
1721 cc_type=tms470
6e3fa35d 1722 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1723 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1724 CC_O='-fr=$(@D)'
1725 as_default="${cross_prefix}gcc"
1726 ld_default="${cross_prefix}gcc"
6fec122a
MR
1727 TMPO=$(basename $TMPC .c).o
1728 append TMPFILES $TMPO
1729 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1730 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1731 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1732 speed_cflags='-O3 -mf=5'
1733 size_cflags='-O3 -mf=2'
6fec122a
MR
1734 filter_cflags=tms470_flags
1735 tms470_flags(){
1736 for flag; do
1737 case $flag in
1738 -march=*|-mcpu=*)
1739 case "${flag#*=}" in
1740 armv7-a|cortex-a*) echo -mv=7a8 ;;
1741 armv7-r|cortex-r*) echo -mv=7r4 ;;
1742 armv7-m|cortex-m*) echo -mv=7m3 ;;
1743 armv6*|arm11*) echo -mv=6 ;;
1744 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1745 echo -mv=5e ;;
1746 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1747 esac
1748 ;;
1749 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1750 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1751 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1752 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1753 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1754 -g) echo -g -mn ;;
587d24ff 1755 -pds=*) echo $flag ;;
6fec122a
MR
1756 esac
1757 done
1758 }
06da6943
DC
1759elif $cc -v 2>&1 | grep -q clang; then
1760 cc_type=clang
1761 cc_version=__VERSION__
1762 CC_DEPFLAGS='-MMD'
1763 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1764 speed_cflags='-O3'
1765 size_cflags='-Os'
2a472e9c
MK
1766elif $cc -V 2>&1 | grep -q Sun; then
1767 cc_type=suncc
1768 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1769 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1770 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1771 speed_cflags='-O5'
1772 size_cflags='-O5 -xspace'
03279bbe
MK
1773 filter_cflags=suncc_flags
1774 suncc_flags(){
1775 for flag; do
1776 case $flag in
1777 -march=*|-mcpu=*)
1778 case "${flag#*=}" in
1779 native) echo -xtarget=native ;;
87ddc38b 1780 v9|niagara) echo -xarch=sparc ;;
03279bbe 1781 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 1782 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
1783 i586|pentium) echo -xchip=pentium ;;
1784 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1785 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1786 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1787 pentium4*) echo -xtarget=pentium4 ;;
1788 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1789 *-sse3) echo -xarch=sse3 ;;
1790 core2) echo -xarch=ssse3 -xchip=core2 ;;
1791 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1792 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1793 k8|opteron|athlon64|athlon-fx)
1794 echo -xarch=sse2a ;;
1795 athlon*) echo -xarch=pentium_proa ;;
1796 esac
1797 ;;
1798 -std=c99) echo -xc99 ;;
1799 -fomit-frame-pointer) echo -xregs=frameptr ;;
1800 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1801 -W*,*) echo $flag ;;
1802 -f*-*|-W*) ;;
1803 *) echo $flag ;;
1804 esac
1805 done
1806 }
629687f6
MR
1807fi
1808
851ffa80
MR
1809test -n "$cc_type" && enable $cc_type ||
1810 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 1811
75bafbac 1812: ${as_default:=$cc}
50567afa 1813: ${dep_cc_default:=$cc}
684b28e0 1814: ${ld_default:=$cc}
121d78d0 1815set_default ar as dep_cc ld
75800dce 1816
07dec06e
MR
1817test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1818test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1819
7f32f40c 1820add_cflags $extra_cflags
2f2e6c7c 1821add_asflags $extra_cflags
7f32f40c 1822
154d432c
MR
1823if test -n "$sysroot"; then
1824 case "$cc_type" in
1825 gcc)
467256f2 1826 add_cppflags --sysroot="$sysroot"
154d432c
MR
1827 add_ldflags --sysroot="$sysroot"
1828 ;;
6fec122a
MR
1829 tms470)
1830 add_cppflags -I"$sysinclude"
1831 add_ldflags --sysroot="$sysroot"
1832 ;;
06da6943 1833 clang)
4def700e
DC
1834 add_cppflags -isysroot "$sysroot"
1835 add_ldflags -isysroot "$sysroot"
06da6943 1836 ;;
154d432c
MR
1837 esac
1838fi
1839
d22c13a8
MR
1840if test "$cpu" = host; then
1841 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1842
1843 case "$cc_type" in
1844 gcc)
1845 check_native(){
1846 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1847 sed -n "/$1=/{
1848 s/.*$1=\\([^ ]*\\).*/\\1/
1849 p
1850 q
1851 }" $TMPE
d22c13a8
MR
1852 }
1853 cpu=$(check_native -march || check_native -mcpu)
1854 ;;
1855 esac
1856
1857 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1858fi
1859
e939cedd
MR
1860# Deal with common $arch aliases
1861case "$arch" in
1862 arm*)
1863 arch="arm"
1864 ;;
1865 mips|mipsel|IP*)
1866 arch="mips"
1867 ;;
47b1860e 1868 mips64*)
e939cedd
MR
1869 arch="mips"
1870 subarch="mips64"
1871 ;;
1872 parisc|hppa)
1873 arch="parisc"
1874 ;;
1875 parisc64|hppa64)
1876 arch="parisc"
1877 subarch="parisc64"
1878 ;;
1879 "Power Macintosh"|ppc|powerpc)
1880 arch="ppc"
1881 ;;
47b1860e 1882 ppc64|powerpc64)
e939cedd
MR
1883 arch="ppc"
1884 subarch="ppc64"
1885 ;;
1886 s390|s390x)
1887 arch="s390"
1888 ;;
1889 sh4|sh)
1890 arch="sh4"
1891 ;;
1892 sun4u|sparc64)
1893 arch="sparc"
1894 subarch="sparc64"
1895 ;;
1896 i[3-6]86|i86pc|BePC|x86_64|amd64)
1897 arch="x86"
1898 ;;
1899esac
1900
851ffa80 1901is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 1902enable $arch
e939cedd 1903
df5cdc24 1904# Add processor-specific flags
5d54c126
MR
1905if test "$cpu" = generic; then
1906 : do nothing
1907elif enabled ppc; then
343aef9b 1908
56348891
MR
1909 case $(tolower $cpu) in
1910 601|ppc601|powerpc601)
9dbd5c3d 1911 cpuflags="-mcpu=601"
64ad53ff 1912 disable altivec
9dbd5c3d 1913 ;;
56348891 1914 603*|ppc603*|powerpc603*)
9dbd5c3d 1915 cpuflags="-mcpu=603"
64ad53ff 1916 disable altivec
9dbd5c3d 1917 ;;
56348891 1918 604*|ppc604*|powerpc604*)
9dbd5c3d 1919 cpuflags="-mcpu=604"
64ad53ff 1920 disable altivec
9dbd5c3d 1921 ;;
56348891 1922 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1923 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1924 disable altivec
9dbd5c3d 1925 ;;
56348891 1926 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1927 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1928 ;;
56348891 1929 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1930 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1931 ;;
56348891 1932 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1933 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1934 ;;
56348891 1935 cell)
9dbd5c3d
MR
1936 cpuflags="-mcpu=cell"
1937 enable ldbrx
1938 ;;
7b0b81a1
AL
1939 e500v2)
1940 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1941 disable altivec
1942 ;;
1943 e500)
1944 cpuflags="-mcpu=8540 -mhard-float"
1945 disable altivec
1946 ;;
9dbd5c3d 1947 esac
343aef9b
MR
1948
1949elif enabled x86; then
1950
9dbd5c3d
MR
1951 case $cpu in
1952 i[345]86|pentium)
1953 cpuflags="-march=$cpu"
1954 disable mmx
1955 ;;
1956 # targets that do NOT support conditional mov (cmov)
1957 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1958 cpuflags="-march=$cpu"
1959 disable cmov
1960 ;;
1961 # targets that do support conditional mov (cmov)
a65e687b 1962 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
9dbd5c3d
MR
1963 cpuflags="-march=$cpu"
1964 enable cmov
1965 enable fast_cmov
1966 ;;
1967 # targets that do support conditional mov but on which it's slow
1968 pentium4|pentium4m|prescott|nocona)
1969 cpuflags="-march=$cpu"
1970 enable cmov
1971 disable fast_cmov
1972 ;;
1973 esac
343aef9b
MR
1974
1975elif enabled sparc; then
1976
9dbd5c3d 1977 case $cpu in
26b7199e
MK
1978 niagara)
1979 cpuflags="-mcpu=$cpu"
1980 disable vis
1981 ;;
9dbd5c3d
MR
1982 sparc64)
1983 cpuflags="-mcpu=v9"
1984 ;;
1985 esac
343aef9b
MR
1986
1987elif enabled arm; then
1988
34ba23c9
MR
1989 case $cpu in
1990 armv*)
1991 cpuflags="-march=$cpu"
1992 ;;
1993 *)
1994 cpuflags="-mcpu=$cpu"
1995 ;;
1996 esac
343aef9b
MR
1997
1998elif enabled alpha; then
1999
34ba23c9 2000 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2001
2002elif enabled bfin; then
2003
34ba23c9 2004 cpuflags="-mcpu=$cpu"
343aef9b
MR
2005
2006elif enabled mips; then
2007
34ba23c9 2008 cpuflags="-march=$cpu"
343aef9b
MR
2009
2010elif enabled avr32; then
2011
9dbd5c3d
MR
2012 case $cpu in
2013 ap7[02]0[0-2])
2014 subarch="avr32_ap"
2015 cpuflags="-mpart=$cpu"
2016 ;;
2017 ap)
2018 subarch="avr32_ap"
2019 cpuflags="-march=$cpu"
2020 ;;
2021 uc3[ab]*)
2022 subarch="avr32_uc"
2023 cpuflags="-mcpu=$cpu"
2024 ;;
2025 uc)
2026 subarch="avr32_uc"
2027 cpuflags="-march=$cpu"
2028 ;;
2029 esac
df5cdc24 2030
343aef9b
MR
2031fi
2032
df5cdc24
MR
2033add_cflags $cpuflags
2034add_asflags $cpuflags
2035
993f2d0f
MR
2036# compiler sanity check
2037check_exec <<EOF
2038int main(void){ return 0; }
2039EOF
2040if test "$?" != 0; then
2041 echo "$cc is unable to create an executable file."
2042 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2043 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2044 echo "Only do this if you know what cross compiling means."
2045 fi
2046 die "C compiler test failed."
2047fi
2048
38a9c529 2049add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2050check_cflags -std=c99
50a334e4 2051check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2052#include <stdlib.h>
2053EOF
50a334e4 2054check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2055#include <stdlib.h>
2056EOF
e9b9a2f8 2057
f0125de9
MR
2058check_host_cflags -std=c99
2059
b24dbcbd 2060case "$arch" in
e939cedd 2061 alpha|ia64|mips|parisc|sparc)
8a3c8627 2062 spic=$shared
b24dbcbd 2063 ;;
e939cedd 2064 x86)
cfdb6148 2065 subarch="x86_32"
e939cedd 2066 check_cc <<EOF && subarch="x86_64"
58b3536d 2067 int test[(int)sizeof(char*) - 7];
cfdb6148 2068EOF
de27f4d9 2069 if test "$subarch" = "x86_64"; then
e939cedd 2070 spic=$shared
de27f4d9 2071 fi
b24dbcbd 2072 ;;
b24dbcbd
RP
2073esac
2074
343aef9b 2075enable $subarch
8a3c8627 2076enabled spic && enable pic
b24dbcbd 2077
7483e694 2078# OS specific
4f854758 2079case $target_os in
a1629e28 2080 haiku)
63ae7e7c 2081 prefix_default="/boot/common"
108caaaa 2082 network_extralibs="-lnetwork"
a1629e28 2083 ;;
7483e694
DB
2084 sunos)
2085 FFSERVERLDFLAGS=""
9987769a 2086 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2087 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2088 network_extralibs="-lsocket -lnsl"
50a334e4 2089 add_cppflags -D__EXTENSIONS__
8182dc34 2090 nm_opts='-P -g'
7483e694
DB
2091 ;;
2092 netbsd)
07a8eef6
MR
2093 oss_indev_extralibs="-lossaudio"
2094 oss_outdev_extralibs="-lossaudio"
2138dc99 2095 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2096 ;;
2097 openbsd)
89e053f8 2098 enable malloc_aligned
7c4a001a
MR
2099 # On OpenBSD 4.5. the compiler does not use PIC unless
2100 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2101 # however the generated executable will not do anything
2102 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2103 # Thus explicitly enable PIC here.
cd78208b 2104 enable pic
7483e694 2105 SHFLAGS='-shared'
07a8eef6
MR
2106 oss_indev_extralibs="-lossaudio"
2107 oss_outdev_extralibs="-lossaudio"
7483e694 2108 ;;
90b4f091 2109 freebsd|dragonfly)
89e053f8 2110 enable malloc_aligned
7483e694
DB
2111 ;;
2112 bsd/os)
2113 osextralibs="-lpoll -lgnugetopt"
2114 strip="strip -d"
2115 ;;
2116 darwin)
89e053f8 2117 enable malloc_aligned
0138c54e 2118 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
be90cd27 2119 strip="${strip} -x"
7483e694
DB
2120 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2121 SLIBSUF=".dylib"
2122 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2123 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2124 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2125 objformat="macho"
1b0f6fb8 2126 enabled x86_64 && objformat="macho64"
8dfa86f7 2127 enabled_any pic shared ||
2704bd1a 2128 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2129 ;;
2130 mingw32*)
9d3f4f50 2131 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2132 disable network
2133 else
2134 target_os=mingw32
2135 fi
dcc01c06 2136 LIBTARGET=i386
1fc9fb8a 2137 if enabled x86_64; then
89e053f8 2138 enable malloc_aligned
dcc01c06 2139 LIBTARGET=x64
336cc1b0
MS
2140 elif enabled arm; then
2141 LIBTARGET=arm
dcc01c06 2142 fi
fbd971a4 2143 shlibdir_default="$bindir_default"
7483e694
DB
2144 disable ffserver
2145 SLIBPREF=""
2146 SLIBSUF=".dll"
7483e694
DB
2147 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2148 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2149 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2150 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2151 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2152 install -d "$(LIBDIR)"; \
2153 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2154 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2155 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2156 objformat="win32"
bc574408 2157 enable dos_paths
1894e741 2158 check_cflags -fno-common
b1549d61 2159 if ! enabled x86_64; then
f7ad5aa2
RP
2160 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2161 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2162 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2163 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2164 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2165 fi
7483e694
DB
2166 ;;
2167 cygwin*)
4f854758 2168 target_os=cygwin
fbd971a4 2169 shlibdir_default="$bindir_default"
7483e694
DB
2170 SLIBPREF="cyg"
2171 SLIBSUF=".dll"
2172 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2173 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2174 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2175 objformat="win32"
bc574408 2176 enable dos_paths
1894e741 2177 check_cflags -fno-common
7483e694 2178 ;;
4f365f37 2179 *-dos|freedos|opendos)
fdf11906 2180 disable ffplay ffserver
4f365f37
MK
2181 disable $INDEV_LIST $OUTDEV_LIST
2182 network_extralibs="-lsocket"
ff1c015d 2183 objformat="coff"
bc574408 2184 enable dos_paths
4f365f37 2185 ;;
7483e694 2186 linux)
7483e694
DB
2187 enable dv1394
2188 ;;
2189 irix*)
4f854758 2190 target_os=irix
7483e694
DB
2191 ranlib="echo ignoring ranlib"
2192 ;;
d22e8442 2193 os/2*)
d22e8442
DY
2194 strip="lxlite"
2195 ln_s="cp -f"
d22e8442 2196 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2197 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2198 FFSERVERLDFLAGS=""
287d3b13 2199 LIBSUF="_s.a"
d22e8442
DY
2200 SLIBPREF=""
2201 SLIBSUF=".dll"
2202 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2203 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2204 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2205 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2206 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2207 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2208 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2209 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2210 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2211 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2212 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2213 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2214 enable dos_paths
d22e8442 2215 ;;
83993c1c
AM
2216 gnu/kfreebsd)
2217 ;;
34e82167 2218 gnu)
34e82167 2219 ;;
614d8911
MR
2220 none)
2221 ;;
7483e694 2222 *)
4f924f9a 2223 die "Unknown OS '$target_os'."
7483e694
DB
2224 ;;
2225esac
2226
13cb2187
AS
2227check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2228
c9d19248
MR
2229set_default $PATHS_LIST
2230
c597172e 2231add_extralibs $osextralibs
de6d9b64 2232
28d8e661
DB
2233# Combine FFLDFLAGS and the LDFLAGS environment variable.
2234LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2235
320d060a 2236# we need to build at least one lib type
93b3c083 2237if ! enabled_any static shared; then
320d060a
DB
2238 cat <<EOF
2239At least one library type must be built.
2240Specify --enable-static to build the static libraries or --enable-shared to
2241build the shared libraries as well. To only build the shared libraries specify
2242--disable-static in addition to --enable-shared.
2243EOF
2244 exit 1;
2245fi
2246
abc4e572 2247disabled static && LIBNAME=""
2a320695 2248
2184c6f7 2249die_license_disabled() {
4c27207c 2250 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2251}
2252
2184c6f7
DB
2253die_license_disabled gpl libx264
2254die_license_disabled gpl libxvid
2255die_license_disabled gpl postproc
2256die_license_disabled gpl x11grab
2257
2f7ae63b 2258die_license_disabled nonfree libfaac
b2e3c528 2259
0b175caa
DB
2260die_license_disabled version3 libopencore_amrnb
2261die_license_disabled version3 libopencore_amrwb
2262
9cad0e4e 2263enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2264
9eeed841 2265check_deps $ARCH_EXT_LIST
0f3cb305 2266
40617a6d 2267disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2268
e276d9e8
MR
2269enable_pic() {
2270 enable pic
bce7b696
MR
2271 add_cppflags -DPIC
2272 add_cflags -fPIC
2273 add_asflags -fPIC
e276d9e8
MR
2274}
2275
2276enabled pic && enable_pic
bce7b696 2277
b4d96ba2
MR
2278check_cc <<EOF || die "Symbol mangling check failed."
2279int ff_extern;
2280EOF
8182dc34 2281sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2282extern_prefix=${sym%%ff_extern*}
2283
f65883c8
MR
2284check_cc <<EOF && enable inline_asm
2285void foo(void) { __asm__ volatile ("" ::); }
2286EOF
61d251db 2287
df5e3978
MR
2288_restrict=
2289for restrict_keyword in restrict __restrict__ __restrict; do
2290 check_cc <<EOF && _restrict=$restrict_keyword && break
2291void foo(char * $restrict_keyword p);
2292EOF
2293done
2294
2295check_cc <<EOF && enable attribute_packed
2296struct { int x; } __attribute__((packed)) x;
2297EOF
2298
dffb41b9
MR
2299check_cc <<EOF && enable attribute_may_alias
2300union { int x; } __attribute__((may_alias)) x;
2301EOF
2302
df5e3978
MR
2303check_cc <<EOF || die "endian test failed"
2304unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2305EOF
48fc536a 2306od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2307
e939cedd
MR
2308if enabled alpha; then
2309
2310 check_cflags -mieee
2311
2312elif enabled arm; then
e45391bb 2313
50fa82e6
MR
2314 check_cflags -marm
2315
fa0912fe
MR
2316 check_ld <<EOF && enable vfp_args
2317__asm__ (".eabi_attribute 28, 1");
2318int main(void) { return 0; }
2319EOF
2320
2321 # We have to check if pld is a nop and disable it.
2322 check_asm pld '"pld [r0]"'
2323
2324 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2325 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2326 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2327 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2328 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2329 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2330
e276d9e8
MR
2331 enabled_all armv6t2 shared !pic && enable_pic
2332
fa0912fe 2333elif enabled mips; then
e45391bb 2334
fa0912fe
MR
2335 check_asm loongson '"dmult.g $1, $2, $3"'
2336 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2337
fa0912fe 2338elif enabled ppc; then
e45391bb 2339
e6a0c354
MR
2340 enable local_aligned_8 local_aligned_16
2341
fa0912fe
MR
2342 check_asm dcbzl '"dcbzl 0, 1"'
2343 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2344 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2345
2346 # AltiVec flags: The FSF version of GCC differs from the Apple version
2347 if enabled altivec; then
2348 check_cflags -maltivec -mabi=altivec &&
2349 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2350 check_cflags -faltivec
2351
2352 # check if our compiler supports Motorola AltiVec C API
2353 check_cc <<EOF || disable altivec
2354$inc_altivec_h
2355int main(void) {
2356 vector signed int v1, v2, v3;
2357 v1 = vec_add(v2,v3);
2358 return 0;
2359}
2360EOF
2361
2362 # check if our compiler supports braces for vector declarations
2363 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2364$inc_altivec_h
2365int main (void) { (vector int) {1}; return 0; }
2366EOF
2367 fi
e45391bb 2368
fa0912fe 2369elif enabled sparc; then
e45391bb 2370
fa0912fe
MR
2371 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2372 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2373
fa0912fe 2374elif enabled x86; then
e45391bb 2375
e6a0c354
MR
2376 enable local_aligned_8 local_aligned_16
2377
44965991
PI
2378 # check whether EBP is available on x86
2379 # As 'i' is stored on the stack, this program will crash
2380 # if the base pointer is used to access it because the
2381 # base pointer is cleared in the inline assembly code.
7dfef245 2382 check_exec_crash <<EOF && enable ebp_available
44965991 2383 volatile int i=0;
be449fca 2384 __asm__ volatile (
44965991
PI
2385 "xorl %%ebp, %%ebp"
2386 ::: "%ebp");
2387 return i;
44965991
PI
2388EOF
2389
f494213c 2390 # check whether EBX is available on x86
7cee5421
MR
2391 check_asm ebx_available '""::"b"(0)' &&
2392 check_asm ebx_available '"":::"%ebx"'
8e380710 2393
d3a4b4e0
DB
2394 # check whether more than 10 operands are supported
2395 check_cc <<EOF && enable ten_operands
2396int main(void) {
2397 int x=0;
2398 __asm__ volatile(
2399 ""
2400 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2401 );
2402 return 0;
2403}
2404EOF
2405
d7f0920b 2406 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2407 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2408 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2409
2410 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2411
d52481b9 2412 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2413 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2414 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2415 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2416 case "$objformat" in
2417 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2418 esac
31a0dcb2
MR
2419 if ! disabled yasm; then
2420 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2421 warn "yasm not found, performance will suffer"
2422 fi
e45391bb 2423
669b5583
MR
2424 case "$cpu" in
2425 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2426 disable fast_clz
2427 ;;
2428 esac
2429
44965991
PI
2430fi
2431
a98bb16d
RP
2432if check_func dlopen; then
2433 ldl=
2434elif check_func dlopen -ldl; then
2435 ldl=-ldl
8bf5d58f
MN
2436fi
2437
75ecf149
DB
2438# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2439check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2440
534a2231 2441check_func fcntl
7483e694 2442check_func fork
84882df6 2443check_func getaddrinfo $network_extralibs
7483e694
DB
2444check_func gethrtime
2445check_func getrusage
fc5607f8 2446check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2447check_func inet_aton $network_extralibs
abfc8d05 2448check_func isatty
4ae40685 2449check_func ${malloc_prefix}memalign && enable memalign
7483e694 2450check_func mkstemp
4ae40685 2451check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2452check_func setrlimit
87958234 2453check_func strerror_r
b507ebd1 2454check_func_headers io.h setmode
e4673692 2455check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2456check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2457check_func_headers windows.h GetProcessTimes
7c5bfe7a 2458check_func_headers windows.h VirtualAlloc
6ffa87d3 2459
e16e49ac 2460check_header conio.h
a98bb16d 2461check_header dlfcn.h
92c6a099 2462check_header dxva2api.h
a98bb16d 2463check_header malloc.h
bf6ce82d 2464check_header poll.h
b58412f1 2465check_header sys/mman.h
b091aa44 2466check_header sys/resource.h
bf6ce82d 2467check_header sys/select.h
a98bb16d 2468check_header termios.h
272081b0
CEH
2469check_header vdpau/vdpau.h
2470check_header vdpau/vdpau_x11.h
68178ca9 2471check_header X11/extensions/XvMClib.h
a98bb16d 2472
9104cd51
RP
2473check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2474
89e053f8
MR
2475if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2476 enabled_any $need_memalign ; then
1f91cdce 2477 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2478fi
e16e49ac 2479
a4fa192c 2480disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2481disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2482
2483# check for some common methods of building with pthread support
2484# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
2485if ! disabled pthreads && ! enabled w32threads; then
2486 enable pthreads
9e7fd101
MR
2487 if check_func pthread_create; then
2488 :
2489 elif check_func pthread_create -pthread; then
2490 add_cflags -pthread
afc9aee2 2491 add_extralibs -pthread
9e7fd101
MR
2492 elif check_func pthread_create -pthreads; then
2493 add_cflags -pthreads
afc9aee2 2494 add_extralibs -pthreads
8d94f606
GT
2495 elif check_func pthread_create -lpthreadGC2; then
2496 add_extralibs -lpthreadGC2
9e7fd101 2497 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 2498 disable pthreads
9e7fd101 2499 fi
57bd82d4
MR
2500fi
2501
8eee7025 2502for thread in $THREADS_LIST; do
e5f94c2b 2503 if enabled $thread; then
3ae3b721
RP
2504 test -n "$thread_type" &&
2505 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2506 thread_type="$thread"
e5f94c2b
RP
2507 fi
2508done
2509
fdf88598 2510check_lib math.h sin -lm
edd43c95 2511disabled vaapi || check_lib va/va.h vaInitialize -lva
fdf88598 2512
645d2652
MR
2513check_mathfunc exp2
2514check_mathfunc exp2f
2515check_mathfunc llrint
07876e25 2516check_mathfunc llrintf
645d2652
MR
2517check_mathfunc log2
2518check_mathfunc log2f
2519check_mathfunc lrint
2520check_mathfunc lrintf
2521check_mathfunc round
2522check_mathfunc roundf
2523check_mathfunc truncf
f32adb22 2524
57bd82d4 2525# these are off by default, so fail if requested and not available
a1b3c5a3 2526enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2527enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2528 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2529 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097 2530enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5af41508 2531enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
eb7626a3 2532enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
7483e694 2533enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
eb7626a3
MR
2534enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2535enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3d6fac8c 2536enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3a9bc39e 2537enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
36718e51
DB
2538enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2539 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2540enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2541enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2542enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
ee0e9146
JZ
2543enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2544 require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
eb7626a3 2545enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
652d9d24
JGG
2546 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2547 die "ERROR: libx264 version must be >= 0.98."; }
2bfecf73 2548enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2549enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2550
0b4a1821
AS
2551# libdc1394 check
2552if enabled libdc1394; then
2553 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2554 enable libdc1394_2; } ||
2555 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2556 enable libdc1394_1; } ||
2557 die "ERROR: No version of libdc1394 found "
2558fi
2559
6a1a892f 2560SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2561if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2562 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2563 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2564 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2565 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2566 enable sdl &&
2567 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2568fi
57bd82d4 2569
2270b4b2 2570texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2571
73b46a95 2572if enabled network; then
96000432 2573 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2574 check_type netdb.h "struct addrinfo"
b4d68544
MS
2575 check_type netinet/in.h "struct ipv6_mreq"
2576 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2577 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2578 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2579 # Prefer arpa/inet.h over winsock2
2580 if check_header arpa/inet.h ; then
2581 check_func closesocket
2582 elif check_header winsock2.h ; then
f4c13872
MS
2583 check_func_headers winsock2.h closesocket -lws2 && \
2584 network_extralibs="-lws2" || \
2585 { check_func_headers winsock2.h closesocket -lws2_32 && \
2586 network_extralibs="-lws2_32"; }
72be9e73 2587 check_type ws2tcpip.h socklen_t
c0018613 2588 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2589 check_type ws2tcpip.h "struct ipv6_mreq"
2590 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2591 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2592 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2593 else
2594 disable network
73b46a95
RP
2595 fi
2596fi
2597
06e31011
RP
2598check_header linux/videodev.h
2599check_header linux/videodev2.h
1b6e8b73 2600check_header sys/videoio.h
47f38850 2601
27796dc3 2602check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2603
f8aa696f 2604# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2605{ check_header dev/bktr/ioctl_meteor.h &&
2606 check_header dev/bktr/ioctl_bt848.h; } ||
2607{ check_header machine/ioctl_meteor.h &&
2608 check_header machine/ioctl_bt848.h; } ||
2609{ check_header dev/video/meteor/ioctl_meteor.h &&
2610 check_header dev/video/bktr/ioctl_bt848.h; } ||
2611check_header dev/ic/bt8xx.h
f8aa696f 2612
c7682de0
RP
2613check_header sys/soundcard.h
2614check_header soundcard.h
deb29777 2615
b6f3d925 2616enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2617
0e57fe17 2618enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2619
56a059ac 2620enabled x11grab &&
f58f4ce1
GP
2621check_header X11/Xlib.h &&
2622check_header X11/extensions/XShm.h &&
0a045661 2623check_header X11/extensions/Xfixes.h &&
f58f4ce1 2624check_func XOpenDisplay -lX11 &&
781c1aa6
R
2625check_func XShmCreateImage -lX11 -lXext &&
2626check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2627
598ef02b 2628if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2629check_cpp_condition \
2630 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2631 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2632 disable vdpau; }
abf649c7 2633fi
deda2a4a 2634
95e561ec 2635enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2636
2637# add some useful compiler flags if supported
2638check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2639check_cflags -Wall
2640check_cflags -Wno-switch
c07bd6a9
MN
2641check_cflags -Wdisabled-optimization
2642check_cflags -Wpointer-arith
2643check_cflags -Wredundant-decls
cc1fb623 2644check_cflags -Wno-pointer-sign
f4929996 2645check_cflags -Wcast-qual
9aceb3cf 2646check_cflags -Wwrite-strings
652a5bf6 2647check_cflags -Wtype-limits
764551c6 2648check_cflags -Wundef
fc298fd9 2649check_cflags -Wmissing-prototypes
5af4e0cc 2650enabled extra_warnings && check_cflags -Winline
cf9d24ad 2651
57bd82d4 2652# add some linker flags
5c0e9479 2653check_ldflags -Wl,--warn-common
8351d2ba
DB
2654check_ldflags -Wl,--as-needed
2655check_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 2656check_ldflags -Wl,-Bsymbolic
94a3401e 2657
a482e61b 2658echo "X{};" > $TMPV
b462d132 2659if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 2660 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
2661 check_cc <<EOF && enable symver_asm_label
2662void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 2663void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
2664EOF
2665 check_cc <<EOF && enable symver_gnu_asm
2666__asm__(".symver ff_foo,av_foo@VERSION");
2667void ff_foo(void) {}
2668EOF
2669fi
a482e61b 2670
bd2216e4 2671if enabled small; then
14ca9cd0 2672 add_cflags $size_cflags
8400d6b8
DB
2673 optimizations="small"
2674elif enabled optimizations; then
14ca9cd0 2675 add_cflags $speed_cflags
b05394a0
MR
2676else
2677 add_cflags $noopt_cflags
cddf3f45 2678fi
11fdbc44 2679check_cflags -fno-math-errno
b2eb2ff0 2680check_cflags -fno-signed-zeros
cddf3f45 2681
629687f6 2682if enabled icc; then
b1598b58
MR
2683 # Just warnings, no remarks
2684 check_cflags -w1
2685 # -wd: Disable following warnings
2686 # 144, 167, 556: -Wno-pointer-sign
2687 # 10006: ignoring unknown option -fno-signed-zeros
2688 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2689 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2690 # 11030: Warning unknown option --as-needed
2691 # 10156: ignoring option '-export'; no argument required
2692 check_ldflags -wd10156,11030
2693 # Allow to compile with optimizations
2694 check_ldflags -march=$cpu
be2cf98a
CEH
2695 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2696 enable ebp_available
df442a8d
MR
2697elif enabled ccc; then
2698 # disable some annoying warnings
2699 add_cflags -msg_disable cvtu32to64
2700 add_cflags -msg_disable embedcomment
2701 add_cflags -msg_disable needconstext
2702 add_cflags -msg_disable nomainieee
2703 add_cflags -msg_disable ptrmismatch1
2704 add_cflags -msg_disable unreachcode
973859f5
MR
2705elif enabled gcc; then
2706 check_cflags -fno-tree-vectorize
765e6134 2707 check_cflags -Werror=implicit-function-declaration
de63bfec 2708 check_cflags -Werror=missing-prototypes
06da6943
DC
2709elif enabled clang; then
2710 check_cflags -Qunused-arguments
138132be
MR
2711elif enabled armcc; then
2712 # 2523: use of inline assembler is deprecated
2713 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2714 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2715elif enabled tms470; then
2716 add_cflags -pds=824 -pds=837
504a64b9
CEH
2717fi
2718
7483e694
DB
2719enabled_any $THREADS_LIST && enable threads
2720
2721check_deps $CONFIG_LIST \
b6bb00b0 2722 $CONFIG_EXTRA \
7483e694
DB
2723 $HAVE_LIST \
2724 $DECODER_LIST \
2725 $ENCODER_LIST \
5666fd73 2726 $HWACCEL_LIST \
7483e694
DB
2727 $PARSER_LIST \
2728 $BSF_LIST \
2729 $DEMUXER_LIST \
2730 $MUXER_LIST \
f7679c54 2731 $FILTER_LIST \
7483e694
DB
2732 $INDEV_LIST \
2733 $OUTDEV_LIST \
2734 $PROTOCOL_LIST \
f70f03f6 2735
3bfd582c 2736enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 2737
3e89171a 2738echo "install prefix $prefix"
f36958f8
DB
2739echo "source path $source_path"
2740echo "C compiler $cc"
f36958f8 2741echo "ARCH $arch ($cpu)"
ce8871c2
MR
2742if test "$build_suffix" != ""; then
2743 echo "build suffix $build_suffix"
eb94aca9 2744fi
ac63af34
DB
2745if test "$extra_version" != ""; then
2746 echo "version string suffix $extra_version"
2747fi
0db2ce77 2748echo "big-endian ${bigendian-no}"
e90f5b5a 2749echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2750if enabled x86; then
af44e8e4 2751 echo "yasm ${yasm-no}"
0db2ce77 2752 echo "MMX enabled ${mmx-no}"
30e98e62 2753 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2754 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2755 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2756 echo "SSE enabled ${sse-no}"
30e98e62 2757 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2758 echo "CMOV enabled ${cmov-no}"
2759 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2760 echo "EBX available ${ebx_available-no}"
2761 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2762 echo "10 operands supported ${ten_operands-no}"
e41e8342 2763fi
5b6c2cbd 2764if enabled arm; then
0db2ce77
MR
2765 echo "ARMv5TE enabled ${armv5te-no}"
2766 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2767 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2768 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2769 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2770 echo "NEON enabled ${neon-no}"
eba9ae3c 2771fi
5b6c2cbd 2772if enabled mips; then
0db2ce77 2773 echo "MMI enabled ${mmi-no}"
e41e8342 2774fi
5b6c2cbd 2775if enabled ppc; then
0db2ce77 2776 echo "AltiVec enabled ${altivec-no}"
30e98e62 2777 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2778 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2779fi
2780if enabled sparc; then
2781 echo "VIS enabled ${vis-no}"
e41e8342 2782fi
0db2ce77 2783echo "debug symbols ${debug-no}"
87a0fb62 2784echo "strip symbols ${stripping-no}"
8400d6b8 2785echo "optimizations ${optimizations-no}"
0db2ce77
MR
2786echo "static ${static-no}"
2787echo "shared ${shared-no}"
4a24ab64 2788echo "postprocessing support ${postproc-no}"
f7679c54 2789echo "new filter support ${avfilter-no}"
81124ba0 2790echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2791echo "network support ${network-no}"
0db2ce77
MR
2792echo "threading support ${thread_type-no}"
2793echo "SDL support ${sdl-no}"
0db2ce77
MR
2794echo "Sun medialib support ${mlib-no}"
2795echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2796echo "libdc1394 support ${libdc1394-no}"
690bfceb 2797echo "libdirac enabled ${libdirac-no}"
0db2ce77 2798echo "libfaac enabled ${libfaac-no}"
0db2ce77
MR
2799echo "libgsm enabled ${libgsm-no}"
2800echo "libmp3lame enabled ${libmp3lame-no}"
2801echo "libnut enabled ${libnut-no}"
0b175caa
DB
2802echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2803echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2804echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2805echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2806echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2807echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2808echo "libtheora enabled ${libtheora-no}"
2809echo "libvorbis enabled ${libvorbis-no}"
8299a7f8 2810echo "libvpx enabled ${libvpx-no}"
d6bd62db
DB
2811echo "libx264 enabled ${libx264-no}"
2812echo "libxvid enabled ${libxvid-no}"
0db2ce77 2813echo "zlib enabled ${zlib-no}"
f402916e 2814echo "bzlib enabled ${bzlib-no}"
2c62e737 2815echo
de6d9b64 2816
5666fd73 2817for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2818 echo "Enabled ${type}s:"
f65c9da1 2819 eval list=\$$(toupper $type)_LIST
8138b9db 2820 for part in $list; do
f65c9da1
MR
2821 enabled $part && echo ${part%_*}
2822 done | sort | pr -3 -t
2823 echo
8138b9db
RP
2824done
2825
ba7a7039 2826license="LGPL version 2.1 or later"
ba321adb 2827if enabled nonfree; then
ba7a7039 2828 license="nonfree and unredistributable"
9cad0e4e
DB
2829elif enabled gplv3; then
2830 license="GPL version 3 or later"
2831elif enabled lgplv3; then
2832 license="LGPL version 3 or later"
ba321adb 2833elif enabled gpl; then
ba7a7039 2834 license="GPL version 2 or later"
ba321adb
JK
2835fi
2836
2837echo "License: $license"
ca5323af 2838
cf1392e9
DB
2839echo "Creating config.mak and config.h..."
2840
df642790
MR
2841# build tree in object directory if source path is different from current one
2842if enabled source_path_used; then
2843 DIRS="
2844 doc
2845 libavcodec
2846 libavcodec/$arch
2847 libavdevice
2848 libavfilter
2849 libavformat
2850 libavutil
2851 libavutil/$arch
2852 libpostproc
2853 libswscale
2854 libswscale/$arch
2855 tests
2856 tools
2857 "
2858 FILES="
2859 Makefile
2860 common.mak
2861 subdir.mak
2862 doc/texi2pod.pl
2863 libavcodec/Makefile
43f60eba 2864 libavcodec/${arch}/Makefile
df642790
MR
2865 libavdevice/Makefile
2866 libavfilter/Makefile
2867 libavformat/Makefile
2868 libavutil/Makefile
2869 libpostproc/Makefile
2870 libswscale/Makefile
2871 "
e0e335a0 2872 map 'mkdir -p $v' $DIRS;
43f60eba 2873 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2874fi
2875
ad212cc6
MR
2876enabled stripping || strip="echo skipping strip"
2877
173c983b
MR
2878cat > config.mak <<EOF
2879# Automatically generated by configure - do not modify!
2880ifndef FFMPEG_CONFIG_MAK
2881FFMPEG_CONFIG_MAK=1
2882FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2883prefix=$prefix
2884LIBDIR=\$(DESTDIR)$libdir
2885SHLIBDIR=\$(DESTDIR)$shlibdir
2886INCDIR=\$(DESTDIR)$incdir
2887BINDIR=\$(DESTDIR)$bindir
2888DATADIR=\$(DESTDIR)$datadir
2889MANDIR=\$(DESTDIR)$mandir
2890SRC_PATH="$source_path"
2891SRC_PATH_BARE=$source_path
2892BUILD_ROOT="$PWD"
2893ARCH=$arch
2894CC=$cc
2895AS=$as
2896LD=$ld
2897DEPCC=$dep_cc
2898YASM=$yasmexe
a4aea515 2899YASMDEP=$yasmexe
173c983b
MR
2900AR=$ar
2901RANLIB=$ranlib
4335125c 2902CP=cp -p
173c983b
MR
2903LN_S=$ln_s
2904STRIP=$strip
2905CPPFLAGS=$CPPFLAGS
2906CFLAGS=$CFLAGS
2907ASFLAGS=$ASFLAGS
2908CC_O=$CC_O
2909LDFLAGS=$LDFLAGS
2910FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2911SHFLAGS=$SHFLAGS
2912YASMFLAGS=$YASMFLAGS
2913BUILDSUF=$build_suffix
2914FULLNAME=$FULLNAME
2915LIBPREF=$LIBPREF
2916LIBSUF=$LIBSUF
2917LIBNAME=$LIBNAME
2918SLIBPREF=$SLIBPREF
2919SLIBSUF=$SLIBSUF
2920EXESUF=$EXESUF
2921EXTRA_VERSION=$extra_version
2922DEPFLAGS=$DEPFLAGS
2923CCDEP=$CCDEP
2924ASDEP=$ASDEP
2925CC_DEPFLAGS=$CC_DEPFLAGS
2926AS_DEPFLAGS=$AS_DEPFLAGS
2927HOSTCC=$host_cc
2928HOSTCFLAGS=$host_cflags
2929HOSTEXESUF=$HOSTEXESUF
2930HOSTLDFLAGS=$host_ldflags
2931HOSTLIBS=$host_libs
2932TARGET_EXEC=$target_exec
2933TARGET_PATH=$target_path
2934SDL_LIBS=$sdl_libs
2935SDL_CFLAGS=$sdl_cflags
2936LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2937EXTRALIBS=$extralibs
fd676deb 2938INSTALL=install
1afc4750
MR
2939LIBTARGET=${LIBTARGET}
2940SLIBNAME=${SLIBNAME}
2941SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2942SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2943SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2944SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2945SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2946SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 2947SAMPLES=$samples
173c983b 2948EOF
5a872801 2949
719c8e00
MR
2950get_version(){
2951 name=$1
2952 file=$source_path/$2
147e7692
MR
2953 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2954 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2955 lcname=$(tolower $name)
2956 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2957 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2958}
2959
147e7692
MR
2960get_version LIBSWSCALE libswscale/swscale.h
2961get_version LIBPOSTPROC libpostproc/postprocess.h
2962get_version LIBAVCODEC libavcodec/avcodec.h
2963get_version LIBAVDEVICE libavdevice/avdevice.h
2964get_version LIBAVFORMAT libavformat/avformat.h
2965get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2966get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2967
173c983b
MR
2968cat > $TMPH <<EOF
2969/* Automatically generated by configure - do not modify! */
2970#ifndef FFMPEG_CONFIG_H
2971#define FFMPEG_CONFIG_H
2972#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 2973#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
2974#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2975#define CC_TYPE "$cc_type"
2976#define CC_VERSION $cc_version
2977#define restrict $_restrict
42719e20 2978#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
173c983b
MR
2979#define EXTERN_PREFIX "${extern_prefix}"
2980#define EXTERN_ASM ${extern_prefix}
2981EOF
523ef551 2982
4ae40685
MR
2983test -n "$malloc_prefix" &&
2984 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
2985
523ef551 2986if enabled small || disabled optimizations; then
9a894c48 2987 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
2988 echo "#define av_always_inline" >> $TMPH
2989fi
2990
3d907e22
MR
2991print_config ARCH_ $TMPH config.mak $ARCH_LIST
2992print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2993print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2994 $CONFIG_EXTRA \
7483e694
DB
2995 $DECODER_LIST \
2996 $ENCODER_LIST \
5666fd73 2997 $HWACCEL_LIST \
7483e694
DB
2998 $PARSER_LIST \
2999 $BSF_LIST \
3000 $DEMUXER_LIST \
3001 $MUXER_LIST \
f7679c54 3002 $FILTER_LIST \
7483e694
DB
3003 $PROTOCOL_LIST \
3004 $INDEV_LIST \
3005 $OUTDEV_LIST \
8ac17293 3006
9c05103f 3007echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3008echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3009
b7860763 3010# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3011cp_if_changed $TMPH config.h
3d204385 3012
a3e02a8c
MR
3013cat > $TMPH <<EOF
3014/* Generated by ffconf */
3015#ifndef AVUTIL_AVCONFIG_H
3016#define AVUTIL_AVCONFIG_H
3017EOF
3018
3019print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3020
3021echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3022
3023cp_if_changed $TMPH libavutil/avconfig.h
3024
7bfc8ae6
MR
3025test -n "$WARNINGS" && printf "\n$WARNINGS"
3026
d0674868 3027# build pkg-config files
def4272a 3028
d0674868
DB
3029pkgconfig_generate(){
3030name=$1
b0dfd108 3031shortname=${name#lib}${build_suffix}
d0674868
DB
3032comment=$2
3033version=$3
3034libs=$4
3035requires=$5
25cd5cb3 3036cat <<EOF > $name/$name.pc
3e89171a 3037prefix=$prefix
a94e666c 3038exec_prefix=\${prefix}
f2b7382c 3039libdir=$libdir
7622778e 3040includedir=$incdir
def4272a 3041
d0674868
DB
3042Name: $name
3043Description: $comment
3044Version: $version
8cd6b388 3045Requires: $(enabled shared || echo $requires)
5dcfe9f8 3046Requires.private: $(enabled shared && echo $requires)
def4272a 3047Conflicts:
8cd6b388 3048Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3049Libs.private: $(enabled shared && echo $libs)
76a448ed 3050Cflags: -I\${includedir}
def4272a 3051EOF
25cd5cb3 3052cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3053prefix=
3054exec_prefix=
46d1ff83 3055libdir=\${pcfiledir}
1d44d365 3056includedir=${source_path}
def4272a 3057
d0674868
DB
3058Name: $name
3059Description: $comment
3060Version: $version
3061Requires: $requires
def4272a 3062Conflicts:
12701f6e 3063Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3064Cflags: -I\${includedir}
3065EOF
d0674868 3066}
def4272a 3067
e426941d 3068pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3069pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3070pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3071pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3072enabled avfilter &&
46983309 3073 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3074enabled postproc &&
e426941d 3075 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3076pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"