Check whether IBM or Apple PPC assembler syntax is used
[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."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
74c53c2d 57show_help(){
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58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
19bd477d 64 --logfile=FILE log tests and output to FILE [config.log]
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65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
336ce917 85 --disable-ffprobe disable ffprobe build
06454877 86 --disable-ffserver disable ffserver build
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87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
06454877 91 --enable-postproc enable GPLed postprocessing support [no]
cccc039f 92 --disable-avfilter disable video filter support [no]
06454877 93 --enable-avfilter-lavf video filters dependent on avformat [no]
0dbfc1db 94 --disable-pthreads disable pthreads [auto]
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95 --enable-w32threads use Win32 threads [no]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
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98 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101 --disable-fastdiv disable table-based division
102 --enable-small optimize for size instead of speed
103 --disable-aandct disable AAN DCT code
7f3f5f46 104 --disable-dct disable DCT code
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105 --disable-fft disable FFT code
106 --disable-golomb disable Golomb code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --disable-vaapi disable VAAPI code
111 --disable-vdpau disable VDPAU code
92c6a099 112 --disable-dxva2 disable DXVA2 code
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113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --enable-memalign-hack emulate memalign, interferes with memory debuggers
bb55e3a3 116 --disable-everything disable all components listed below
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117 --disable-encoder=NAME disable encoder NAME
118 --enable-encoder=NAME enable encoder NAME
119 --disable-encoders disable all encoders
120 --disable-decoder=NAME disable decoder NAME
121 --enable-decoder=NAME enable decoder NAME
122 --disable-decoders disable all decoders
123 --disable-hwaccel=NAME disable hwaccel NAME
124 --enable-hwaccel=NAME enable hwaccel NAME
125 --disable-hwaccels disable all hwaccels
126 --disable-muxer=NAME disable muxer NAME
127 --enable-muxer=NAME enable muxer NAME
128 --disable-muxers disable all muxers
129 --disable-demuxer=NAME disable demuxer NAME
130 --enable-demuxer=NAME enable demuxer NAME
131 --disable-demuxers disable all demuxers
132 --enable-parser=NAME enable parser NAME
133 --disable-parser=NAME disable parser NAME
134 --disable-parsers disable all parsers
135 --enable-bsf=NAME enable bitstream filter NAME
136 --disable-bsf=NAME disable bitstream filter NAME
137 --disable-bsfs disable all bitstream filters
138 --enable-protocol=NAME enable protocol NAME
139 --disable-protocol=NAME disable protocol NAME
140 --disable-protocols disable all protocols
141 --disable-indev=NAME disable input device NAME
142 --disable-outdev=NAME disable output device NAME
143 --disable-indevs disable input devices
144 --disable-outdevs disable output devices
145 --disable-devices disable all devices
146 --enable-filter=NAME enable filter NAME
147 --disable-filter=NAME disable filter NAME
148 --disable-filters disable all filters
149 --list-decoders show all available decoders
150 --list-encoders show all available encoders
151 --list-hwaccels show all available hardware accelerators
152 --list-muxers show all available muxers
153 --list-demuxers show all available demuxers
154 --list-parsers show all available parsers
155 --list-protocols show all available protocols
156 --list-bsfs show all available bitstream filters
157 --list-indevs show all available input devices
158 --list-outdevs show all available output devices
159 --list-filters show all available filters
160
161External library support:
162 --enable-avisynth enable reading of AVISynth script files [no]
163 --enable-bzlib enable bzlib [autodetect]
164 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
167 and libraw1394 [no]
168 --enable-libdirac enable Dirac support via libdirac [no]
169 --enable-libfaac enable FAAC support via libfaac [no]
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170 --enable-libgsm enable GSM support via libgsm [no]
171 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
172 --enable-libnut enable NUT (de)muxing via libnut,
173 native (de)muxer exists [no]
174 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
0f943ce6 175 --enable-librtmp enable RTMP[E] support via librtmp [no]
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176 --enable-libschroedinger enable Dirac support via libschroedinger [no]
177 --enable-libspeex enable Speex decoding via libspeex [no]
178 --enable-libtheora enable Theora encoding via libtheora [no]
179 --enable-libvorbis enable Vorbis encoding via libvorbis,
180 native implementation exists [no]
8299a7f8 181 --enable-libvpx enable VP8 support via libvpx [no]
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182 --enable-libx264 enable H.264 encoding via x264 [no]
183 --enable-libxvid enable Xvid encoding via xvidcore,
184 native MPEG-4/Xvid encoder exists [no]
185 --enable-mlib enable Sun medialib [no]
186 --enable-zlib enable zlib [autodetect]
187
188Advanced options (experts only):
189 --source-path=PATH path to source code [$source_path]
190 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
191 --enable-cross-compile assume a cross-compiler is used
192 --sysroot=PATH root of cross-build tree
193 --sysinclude=PATH location of cross-build system headers
194 --target-os=OS compiler targets OS [$target_os]
195 --target-exec=CMD command to run executables on target
196 --target-path=DIR path to view of build directory on target
197 --nm=NM use nm tool
121d78d0 198 --ar=AR use archive tool AR [$ar_default]
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199 --as=AS use assembler AS [$as_default]
200 --cc=CC use C compiler CC [$cc_default]
201 --ld=LD use linker LD
202 --host-cc=HOSTCC use host C compiler HOSTCC
203 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
204 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
205 --host-libs=HLIBS use libs HLIBS when linking for host
206 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
207 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208 --extra-libs=ELIBS add ELIBS [$ELIBS]
209 --extra-version=STRING version string suffix []
210 --build-suffix=SUFFIX library name suffix []
211 --arch=ARCH select architecture [$arch]
212 --cpu=CPU select the minimum required CPU (affects
213 instruction selection, may crash on older CPUs)
c8a4ae00 214 --disable-asm disable all assembler optimizations
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215 --disable-altivec disable AltiVec optimizations
216 --disable-amd3dnow disable 3DNow! optimizations
217 --disable-amd3dnowext disable 3DNow! extended optimizations
218 --disable-mmx disable MMX optimizations
219 --disable-mmx2 disable MMX2 optimizations
220 --disable-sse disable SSE optimizations
221 --disable-ssse3 disable SSSE3 optimizations
222 --disable-armv5te disable armv5te optimizations
223 --disable-armv6 disable armv6 optimizations
224 --disable-armv6t2 disable armv6t2 optimizations
225 --disable-armvfp disable ARM VFP optimizations
226 --disable-iwmmxt disable iwmmxt optimizations
227 --disable-mmi disable MMI optimizations
228 --disable-neon disable neon optimizations
229 --disable-vis disable VIS optimizations
230 --disable-yasm disable use of yasm assembler
231 --enable-pic build position-independent code
4ae40685 232 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 233 --enable-sram allow use of on-chip SRAM
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234
235Developer options (useful when working on FFmpeg itself):
236 --disable-debug disable debugging symbols
237 --enable-debug=LEVEL set the debug level [$debuglevel]
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238 --disable-optimizations disable compiler optimizations
239 --enable-extra-warnings enable more compiler warnings
240 --disable-stripping disable stripping of executables and shared libraries
2fad0977 241 --samples=PATH location of test samples for FATE
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242
243NOTE: Object files are built at the place where configure is launched.
244EOF
60e8bc13 245 exit 0
74c53c2d 246}
cf9d24ad 247
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248quotes='""'
249
57bd82d4 250log(){
2270b4b2 251 echo "$@" >> $logfile
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252}
253
720c69da 254log_file(){
c8e9f801 255 log BEGIN $1
2270b4b2 256 pr -n -t $1 >> $logfile
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: $*\n"
268}
269
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270die(){
271 echolog "$@"
272 cat <<EOF
d326cf7f 273
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274If you think configure made a mistake, make sure you are using the latest
275version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 276ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 277EOF
e155a21a 278 if disabled logging; then
2ba042a7 279 cat <<EOF
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280Rerun configure with logging enabled (do not use --disable-logging), and
281include the log this produces with your report.
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282EOF
283 else
284cat <<EOF
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285Include the log file "$logfile" produced by configure as this will help
286solving the problem.
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287EOF
288 fi
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289 exit 1
290}
291
6c6007d6 292# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 293toupper(){
6c6007d6 294 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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295}
296
4a5444db 297tolower(){
6c6007d6 298 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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299}
300
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301c_escape(){
302 echo "$*" | sed 's/["\\]/\\\0/g'
303}
304
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305sh_quote(){
306 v=$(echo "$1" | sed "s/'/'\\\\''/g")
307 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
308 echo "$v"
309}
310
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311filter(){
312 pat=$1
313 shift
314 for v; do
98ef6079 315 eval "case $v in $pat) echo $v ;; esac"
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
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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
f9d328da
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397 popvar var
398 done
399}
400
401enable_deep(){
402 do_enable_deep $*
403 enable $*
404}
405
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406enable_deep_weak(){
407 do_enable_deep $*
408 enable_weak $*
409}
410
57bd82d4 411enabled(){
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412 test "${1#!}" = "$1" && op== || op=!=
413 eval test "x\$${1#!}" $op "xyes"
44161118
MR
414}
415
37970ebf 416disabled(){
3250003c
MR
417 test "${1#!}" = "$1" && op== || op=!=
418 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
419}
420
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421enabled_all(){
422 for opt; do
423 enabled $opt || return 1
424 done
425}
426
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427disabled_all(){
428 for opt; do
429 disabled $opt || return 1
430 done
431}
432
44161118
MR
433enabled_any(){
434 for opt; do
435 enabled $opt && return 0
436 done
437}
438
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DB
439disabled_any(){
440 for opt; do
441 disabled $opt && return 0
442 done
f7b230a7 443 return 1
85bca2c5
DB
444}
445
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MR
446set_default(){
447 for opt; do
88268e94 448 eval : \${$opt:=\$${opt}_default}
c9d19248
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449 done
450}
451
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452is_in(){
453 value=$1
454 shift
455 for var in $*; do
456 [ $var = $value ] && return 0
457 done
458 return 1
459}
460
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461check_deps(){
462 for cfg; do
3250003c 463 cfg="${cfg#!}"
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"
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472 eval dep_ifa="\$${cfg}_if"
473 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 474
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475 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
476 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
477 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 478
3d7453e0
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479 [ -n "$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
MR
511}
512
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513append(){
514 var=$1
515 shift
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516 eval "$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
MR
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 $TMPC
dcd479c0
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562}
563
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564check_as(){
565 log check_as "$@"
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 "$@"
dcd479c0
MR
613int x;
614EOF
615}
616
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617test_ldflags(){
618 log test_ldflags "$@"
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
2f0c136e 992 ibm_asm
2e1913b1 993 inet_aton
61d251db 994 inline_asm
abfc8d05 995 isatty
9f5ff83f 996 ldbrx
0b4a1821
AS
997 libdc1394_1
998 libdc1394_2
a33cab3a 999 llrint
07876e25 1000 llrintf
d96cd429
MR
1001 local_aligned_16
1002 local_aligned_8
291fd18a 1003 log2
6b7c7703 1004 log2f
85dd97ad 1005 loongson
a33cab3a 1006 lrint
c88f5d72 1007 lrintf
e4673692 1008 lzo1x_999_compress
f8aa696f
DB
1009 machine_ioctl_bt848_h
1010 machine_ioctl_meteor_h
c88f5d72
MR
1011 malloc_h
1012 memalign
6ffa87d3 1013 mkstemp
b4e806b2 1014 pld
1f91cdce 1015 posix_memalign
a33cab3a
MK
1016 round
1017 roundf
c88f5d72
MR
1018 sdl
1019 sdl_video_size
b507ebd1 1020 setmode
72be9e73 1021 socklen_t
deb29777 1022 soundcard_h
f8cda19e 1023 poll_h
0104b608 1024 setrlimit
87958234 1025 strerror_r
c0018613 1026 struct_addrinfo
b4d68544
MS
1027 struct_ipv6_mreq
1028 struct_sockaddr_in6
3b2372bf 1029 struct_sockaddr_sa_len
33a4dbdd 1030 struct_sockaddr_storage
b462d132
MR
1031 symver
1032 symver_gnu_asm
1033 symver_asm_label
b58412f1 1034 sys_mman_h
b091aa44 1035 sys_resource_h
81644c2e 1036 sys_select_h
deb29777 1037 sys_soundcard_h
1b6e8b73 1038 sys_videoio_h
d3a4b4e0 1039 ten_operands
e16e49ac 1040 termios_h
b265431e 1041 threads
7b04b8a0 1042 truncf
ce742de2 1043 vfp_args
7c5bfe7a 1044 VirtualAlloc
6ff3f3e7 1045 winsock2_h
cc078b5d 1046 xform_asm
304d586d 1047 yasm
0cb78cef 1048"
44161118 1049
b6bb00b0
MR
1050# options emitted with CONFIG_ prefix but not available on command line
1051CONFIG_EXTRA="
dc4f5a1c 1052 avutil
9cad0e4e
DB
1053 gplv3
1054 lgplv3
b6bb00b0
MR
1055"
1056
520cc7f1 1057CMDLINE_SELECT="
3f5b56e5 1058 $ARCH_EXT_LIST
520cc7f1 1059 $CONFIG_LIST
8eee7025 1060 $THREADS_LIST
c8a4ae00 1061 asm
db6107b6 1062 cross_compile
520cc7f1
MR
1063 debug
1064 extra_warnings
8c6afa4d 1065 logging
d2bbb2f7 1066 optimizations
87a0fb62 1067 stripping
7595a5e4 1068 yasm
520cc7f1 1069"
426be5dc
DB
1070
1071PATHS_LIST='
d156bede 1072 bindir
14a8acf1 1073 datadir
26759c44
MR
1074 incdir
1075 libdir
26759c44
MR
1076 mandir
1077 prefix
1078 shlibdir
426be5dc
DB
1079'
1080
1081CMDLINE_SET="
1082 $PATHS_LIST
121d78d0 1083 ar
426be5dc 1084 arch
313c46a6 1085 as
426be5dc
DB
1086 build_suffix
1087 cc
1088 cpu
1089 cross_prefix
50567afa 1090 dep_cc
ac63af34 1091 extra_version
9da6609f
MR
1092 host_cc
1093 host_cflags
1094 host_ldflags
1095 host_libs
82bb3329 1096 host_os
684b28e0 1097 ld
426be5dc 1098 logfile
4ae40685 1099 malloc_prefix
89641463 1100 nm
2fad0977 1101 samples
26759c44 1102 source_path
4f837398 1103 strip
c5200f17
MR
1104 sysinclude
1105 sysroot
a7ada2ba 1106 target_exec
26759c44 1107 target_os
a7ada2ba 1108 target_path
426be5dc 1109"
520cc7f1 1110
89f2932b
MR
1111CMDLINE_APPEND="
1112 extra_cflags
1113"
1114
912f3148
DB
1115# code dependency declarations
1116
9eeed841 1117# architecture extensions
808fa33c 1118
a2fc0f6a
MR
1119armv5te_deps="arm"
1120armv6_deps="arm"
ab5cb084 1121armv6t2_deps="arm"
a2fc0f6a
MR
1122armvfp_deps="arm"
1123iwmmxt_deps="arm"
808fa33c
MR
1124neon_deps="arm"
1125
e241ba14 1126mmi_deps="mips"
808fa33c
MR
1127
1128altivec_deps="ppc"
1129ppc4xx_deps="ppc"
1130
1131vis_deps="sparc"
1132
7f8c3d1f 1133x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1134amd3dnow_deps="mmx"
1135amd3dnowext_deps="amd3dnow"
9eeed841 1136mmx_deps="x86"
75aa95a6 1137mmx2_deps="mmx"
75aa95a6
DB
1138sse_deps="mmx"
1139ssse3_deps="sse"
9eeed841 1140
e939cedd 1141fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1142fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1143fast_unaligned_if_any="armv6 ppc x86"
669b5583 1144
89e053f8 1145need_memalign="altivec neon sse"
6fec122a 1146inline_asm_deps="!tms470"
89e053f8 1147
b462d132
MR
1148symver_if_any="symver_asm_label symver_gnu_asm"
1149
26fbcc85
MR
1150# subsystems
1151mdct_select="fft"
1152rdft_select="fft"
1153
5666fd73 1154# decoders / encoders / hardware accelerators
49351479 1155aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1156aac_encoder_select="mdct"
1157ac3_decoder_select="mdct ac3_parser"
f4d608e3 1158alac_encoder_select="lpc"
b781cc12 1159amrnb_decoder_select="lsp"
084cbbaa 1160atrac1_decoder_select="mdct"
26fbcc85
MR
1161atrac3_decoder_select="mdct"
1162binkaudio_dct_decoder_select="mdct rdft dct"
1163binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1164cavs_decoder_select="golomb"
26fbcc85 1165cook_decoder_select="mdct"
2eef7c62 1166cscd_decoder_suggest="zlib"
26fbcc85 1167dca_decoder_select="mdct"
e8ed9b7a 1168dnxhd_encoder_select="aandct"
2eef7c62 1169dxa_decoder_select="zlib"
baf91bb9 1170eac3_decoder_select="ac3_decoder"
84c04e25 1171eamad_decoder_select="aandct"
e8ed9b7a 1172eatgq_decoder_select="aandct"
d52b39c7 1173eatqi_decoder_select="aandct"
4f034993
MR
1174ffv1_decoder_select="golomb"
1175flac_decoder_select="golomb"
f4d608e3 1176flac_encoder_select="golomb lpc"
2eef7c62
AJ
1177flashsv_decoder_select="zlib"
1178flashsv_encoder_select="zlib"
4414137e 1179flv_decoder_select="h263_decoder"
4d4b4bd1 1180flv_encoder_select="h263_encoder"
e8ed9b7a 1181h261_encoder_select="aandct"
7f647ae0 1182h263_decoder_select="h263_parser"
e8ed9b7a 1183h263_encoder_select="aandct"
95a61cfc 1184h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1185h263i_decoder_select="h263_decoder"
fe629c2d 1186h263p_encoder_select="h263_encoder"
4693b031 1187h264_decoder_select="golomb h264dsp"
92c6a099
LA
1188h264_dxva2_hwaccel_deps="dxva2api_h"
1189h264_dxva2_hwaccel_select="dxva2 h264_decoder"
17492d5e 1190h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1191h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1192imc_decoder_select="fft mdct"
4f034993
MR
1193jpegls_decoder_select="golomb"
1194jpegls_encoder_select="golomb"
e8ed9b7a 1195ljpeg_encoder_select="aandct"
4f034993 1196loco_decoder_select="golomb"
e8ed9b7a 1197mjpeg_encoder_select="aandct"
2cca233b 1198mlp_decoder_select="mlp_parser"
d9da8f10
AJ
1199mp1float_decoder_select="dct"
1200mp2float_decoder_select="dct"
1201mp3adufloat_decoder_select="dct"
1202mp3float_decoder_select="dct"
1203mp3on4float_decoder_select="dct"
e8ed9b7a
DB
1204mpeg1video_encoder_select="aandct"
1205mpeg2video_encoder_select="aandct"
4414137e 1206mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1207mpeg4_encoder_select="h263_encoder"
95a61cfc 1208mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1209mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
164aab02
LA
1210mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1211mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1212mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
95a61cfc 1213mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1214mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1215mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1216mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1217msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1218msmpeg4v1_encoder_select="h263_encoder"
4414137e 1219msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1220msmpeg4v2_encoder_select="h263_encoder"
4414137e 1221msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1222msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1223nellymoser_decoder_select="mdct"
1224nellymoser_encoder_select="mdct"
2eef7c62
AJ
1225png_decoder_select="zlib"
1226png_encoder_select="zlib"
b781cc12 1227qcelp_decoder_select="lsp"
26fbcc85 1228qdm2_decoder_select="mdct rdft"
31ed3f1f 1229ra_144_encoder_select="lpc"
a8beb22f 1230rv10_decoder_select="h263_decoder"
b2bf38b4 1231rv10_encoder_select="h263_encoder"
a8beb22f 1232rv20_decoder_select="h263_decoder"
b2bf38b4 1233rv20_encoder_select="h263_encoder"
4693b031
MR
1234rv30_decoder_select="golomb h264dsp"
1235rv40_decoder_select="golomb h264dsp"
4f034993 1236shorten_decoder_select="golomb"
b781cc12 1237sipr_decoder_select="lsp"
05aec7bb
MR
1238snow_decoder_select="dwt"
1239snow_encoder_select="aandct dwt"
4f034993
MR
1240sonic_decoder_select="golomb"
1241sonic_encoder_select="golomb"
1242sonic_ls_encoder_select="golomb"
19ecfb8a 1243svq1_encoder_select="aandct"
4693b031 1244svq3_decoder_select="golomb h264dsp"
bee2eac5 1245svq3_decoder_suggest="zlib"
4eef77c1 1246theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1247tiff_decoder_suggest="zlib"
1248tiff_encoder_suggest="zlib"
aec09a00 1249truehd_decoder_select="mlp_decoder"
2eef7c62 1250tscc_decoder_select="zlib"
b781cc12 1251twinvq_decoder_select="mdct lsp"
f95bfab0 1252vc1_decoder_select="h263_decoder"
9104cd51 1253vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1254vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1255vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1256vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1257vorbis_decoder_select="mdct"
1258vorbis_encoder_select="mdct"
e82dc4c9
DB
1259vp6a_decoder_select="vp6_decoder"
1260vp6f_decoder_select="vp6_decoder"
0912db02 1261vp8_decoder_select="h264dsp"
084cbbaa 1262wmapro_decoder_select="mdct"
26fbcc85
MR
1263wmav1_decoder_select="mdct"
1264wmav1_encoder_select="mdct"
1265wmav2_decoder_select="mdct"
1266wmav2_encoder_select="mdct"
005ad8a0 1267wmavoice_decoder_select="lsp rdft dct"
f95bfab0 1268wmv1_decoder_select="h263_decoder"
665507aa 1269wmv1_encoder_select="h263_encoder"
f95bfab0 1270wmv2_decoder_select="h263_decoder"
1746e2a9 1271wmv2_encoder_select="h263_encoder"
015f8ee0 1272wmv3_decoder_select="vc1_decoder"
f0f86627 1273wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1274wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1275wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1276zlib_decoder_select="zlib"
1277zlib_encoder_select="zlib"
1278zmbv_decoder_select="zlib"
1279zmbv_encoder_select="zlib"
30fd06be 1280
0afab17e 1281vaapi_deps="va_va_h"
c89c96e9
MR
1282vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1283
28b80940 1284# parsers
4693b031 1285h264_parser_select="golomb h264dsp"
28b80940 1286
f1e94694
DB
1287# bitstream_filters
1288aac_adtstoasc_bsf_select="aac_parser"
1289
912f3148 1290# external libraries
1b71f045 1291libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1292libdirac_encoder_deps="libdirac"
c9171a83 1293libfaac_encoder_deps="libfaac"
299c77d5
MR
1294libgsm_decoder_deps="libgsm"
1295libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1296libgsm_ms_decoder_deps="libgsm"
1297libgsm_ms_encoder_deps="libgsm"
1cc60c47 1298libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1299libopencore_amrnb_decoder_deps="libopencore_amrnb"
1300libopencore_amrnb_encoder_deps="libopencore_amrnb"
1301libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1302libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1303libschroedinger_decoder_deps="libschroedinger"
1304libschroedinger_encoder_deps="libschroedinger"
ae14f311 1305libspeex_decoder_deps="libspeex"
150d2772 1306libtheora_encoder_deps="libtheora"
b0caf888 1307libvorbis_encoder_deps="libvorbis"
8299a7f8 1308libvpx_decoder_deps="libvpx"
ee0e9146 1309libvpx_encoder_deps="libvpx"
1cc60c47
DB
1310libx264_encoder_deps="libx264"
1311libxvid_encoder_deps="libxvid"
30fd06be 1312
912f3148 1313# demuxers / muxers
03a76ba9 1314ac3_demuxer_deps="ac3_parser"
647c2356 1315asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1316avisynth_demuxer_deps="avisynth"
1317dirac_demuxer_deps="dirac_parser"
5b423887 1318eac3_demuxer_select="ac3_parser"
647c2356 1319ipod_muxer_select="mov_muxer"
4e622dea
SS
1320libnut_demuxer_deps="libnut"
1321libnut_muxer_deps="libnut"
647c2356 1322matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1323matroska_demuxer_suggest="zlib bzlib"
1324mov_demuxer_suggest="zlib"
1325mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1326mp4_muxer_select="mov_muxer"
1327mpegtsraw_demuxer_select="mpegts_demuxer"
1328mxf_d10_muxer_select="mxf_muxer"
24ca518b 1329ogg_demuxer_select="golomb"
647c2356 1330psp_muxer_select="mov_muxer"
4e622dea 1331rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1332rtsp_muxer_deps="sdp_demuxer"
1333rtsp_muxer_select="rtp_muxer"
4e622dea 1334sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1335sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1336spdif_muxer_select="aac_parser"
647c2356
DB
1337tg2_muxer_select="mov_muxer"
1338tgp_muxer_select="mov_muxer"
6bdaa5f4 1339w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1340
1341# indevs / outdevs
38e54a75
SS
1342alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1343alsa_indev_extralibs="-lasound"
1344alsa_outdev_deps="alsa_asoundlib_h"
1345alsa_outdev_extralibs="-lasound"
38e54a75 1346bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1347dv1394_indev_deps="dv1394 dv_demuxer"
1348jack_indev_deps="jack_jack_h"
1349jack_indev_extralibs="-ljack"
1350libdc1394_indev_deps="libdc1394"
38e54a75
SS
1351oss_indev_deps_any="soundcard_h sys_soundcard_h"
1352oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1353v4l_indev_deps="linux_videodev_h"
1354v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1355vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1356vfwcap_indev_extralibs="-lavicap32"
38e54a75 1357x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1358x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1359
912f3148 1360# protocols
3fff6382 1361gopher_protocol_deps="network"
c08fb000 1362http_protocol_deps="network"
279a0c97 1363http_protocol_select="tcp_protocol"
b4cf3f6c 1364mmst_protocol_deps="network"
deeb7012
MS
1365rtmp_protocol_select="tcp_protocol"
1366rtp_protocol_select="udp_protocol"
c08fb000
AB
1367tcp_protocol_deps="network"
1368udp_protocol_deps="network"
1369
f7679c54 1370# filters
81124ba0 1371movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1372avfilter_lavf_deps="avformat"
1373
1374# libraries
1375avdevice_deps="avcodec avformat"
1376avformat_deps="avcodec"
f7679c54 1377
912f3148 1378# programs
5a0f7131 1379ffmpeg_deps="avcodec avformat swscale"
21ae6790 1380ffmpeg_select="buffer_filter"
5a0f7131 1381ffplay_deps="avcodec avformat swscale sdl"
43689902 1382ffplay_select="rdft"
336ce917 1383ffprobe_deps="avcodec avformat"
5a0f7131 1384ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1385ffserver_extralibs='$ldl'
a2830dca 1386
c73f65d9 1387doc_deps="texi2html"
912f3148 1388
de6d9b64 1389# default parameters
8a608357 1390
19bd477d 1391logfile="config.log"
8a608357
MR
1392
1393# installation paths
c9d19248
MR
1394prefix_default="/usr/local"
1395bindir_default='${prefix}/bin'
14a8acf1 1396datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1397incdir_default='${prefix}/include'
1398libdir_default='${prefix}/lib'
1399mandir_default='${prefix}/share/man'
1400shlibdir_default="$libdir_default"
8a608357
MR
1401
1402# toolchain
121d78d0 1403ar_default="ar"
13c7df3d 1404cc_default="gcc"
a3d7c197 1405cc_version=\"unknown\"
9da6609f 1406host_cc_default="gcc"
11e6d03a 1407ln_s="ln -sf"
89641463 1408nm_default="nm"
11e6d03a 1409objformat="elf"
be7109c1 1410ranlib="ranlib"
4f837398 1411strip_default="strip"
11e6d03a 1412yasmexe="yasm"
8a608357 1413
8182dc34
MR
1414nm_opts='-g'
1415
8a608357 1416# machine
8d4c00ed 1417arch_default=$(uname -m)
38d0a8aa 1418cpu="generic"
8a608357 1419
8a608357 1420# OS
8d4c00ed
MR
1421target_os_default=$(tolower $(uname -s))
1422host_os=$target_os_default
8a608357 1423
8a608357 1424# configurable options
5a0f7131
MR
1425enable avcodec
1426enable avdevice
cccc039f 1427enable avfilter
5a0f7131 1428enable avformat
dc4f5a1c 1429enable avutil
c8a4ae00 1430enable asm
497237c7 1431enable debug
c73f65d9 1432enable doc
aa033b1e 1433enable fastdiv
497237c7
RP
1434enable ffmpeg
1435enable ffplay
336ce917 1436enable ffprobe
497237c7 1437enable ffserver
497237c7
RP
1438enable mpegaudio_hp
1439enable network
8400d6b8 1440enable optimizations
497237c7 1441enable protocols
530dc538 1442enable static
87a0fb62 1443enable stripping
5a0f7131 1444enable swscale
a9ddb5b1 1445enable swscale_alpha
8a608357 1446
8a608357 1447# build settings
9987769a 1448SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1449FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1450LIBPREF="lib"
1451LIBSUF=".a"
c5f14466
RP
1452FULLNAME='$(NAME)$(BUILDSUF)'
1453LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1454SLIBPREF="lib"
1455SLIBSUF=".so"
c5f14466 1456SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1457SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1458SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1459LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1460
7e6c86e6
MR
1461CC_O='-o $@'
1462
f0125de9 1463host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1464host_libs='-lm'
1465
9b861379 1466target_path='$(CURDIR)'
a7ada2ba 1467
a158446b
MR
1468# since the object filename is not given with the -MM flag, the compiler
1469# is only able to print the basename, and we must add the path ourselves
c1c3933a 1470DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1471DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1472
c597172e 1473# find source path
5e622c40 1474source_path="$(dirname "$0")"
497237c7 1475enable source_path_used
24524f36 1476if test -f configure; then
5e622c40 1477 source_path="$(pwd)"
497237c7 1478 disable source_path_used
c597172e 1479else
5e622c40 1480 source_path="$(cd "$source_path"; pwd)"
c597172e 1481 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1482 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1483 test -e "$source_path/config.h" &&
1484 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1485fi
1486
13cbe2c0 1487for v in "$@"; do
b04251c5
MR
1488 r=${v#*=}
1489 l=${v%"$r"}
1490 r=$(sh_quote "$r")
13cbe2c0
MR
1491 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1492done
c597172e 1493
73ef8980
MR
1494find_things(){
1495 thing=$1
1496 pattern=$2
1497 file=$source_path/$3
932ccf39 1498 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1499}
1500
1501ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1502DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1503HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1504PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1505BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1506MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1507DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1508OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1509INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1510PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1511FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1512
8469ae22
MR
1513for n in $COMPONENT_LIST; do
1514 v=$(toupper ${n%s})_LIST
1515 eval enable \$$v
1516 eval ${n}_if_any="\$$v"
1517done
1518
1519enable $ARCH_EXT_LIST
c597172e
MR
1520
1521die_unknown(){
1522 echo "Unknown option \"$1\"."
1523 echo "See $0 --help for available options."
1524 exit 1
1525}
1526
794f8e97 1527show_list() {
bf0c4afa
RP
1528 suffix=_$1
1529 shift
2b444ea7 1530 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1531 exit 0
1532}
1533
c597172e 1534for opt do
7483e694
DB
1535 optval="${opt#*=}"
1536 case "$opt" in
0f010b2f 1537 --extra-ldflags=*) add_ldflags $optval
7483e694 1538 ;;
0f010b2f 1539 --extra-libs=*) add_extralibs $optval
7483e694 1540 ;;
8fb1cb58 1541 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1542 ;;
40bcf4c7
BL
1543 --enable-debug=*) debuglevel="$optval"
1544 ;;
36e2dea0 1545 --disable-everything)
1b15dc3c 1546 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1547 ;;
7483e694 1548 --enable-*=*|--disable-*=*)
8b93ddc3 1549 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1550 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1551 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1552 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1553 $action $(filter "$name" $list)
7483e694
DB
1554 ;;
1555 --enable-?*|--disable-?*)
5e622c40 1556 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1557 if is_in $option $COMPONENT_LIST; then
fed5d54b 1558 test $action = disable && action=unset
e3773a55
MR
1559 eval $action \$$(toupper ${option%s})_LIST
1560 elif is_in $option $CMDLINE_SELECT; then
1561 $action $option
1562 else
1563 die_unknown $opt
1564 fi
7483e694
DB
1565 ;;
1566 --list-*)
1567 NAME="${opt#--list-}"
1568 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1569 NAME=${NAME%s}
1570 eval show_list $NAME \$$(toupper $NAME)_LIST
1571 ;;
1572 --help|-h) show_help
1573 ;;
1574 *)
884a36a7 1575 optname="${opt%%=*}"
26759c44
MR
1576 optname="${optname#--}"
1577 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1578 if is_in $optname $CMDLINE_SET; then
1579 eval $optname='$optval'
1580 elif is_in $optname $CMDLINE_APPEND; then
1581 append $optname "$optval"
1582 else
1583 die_unknown $opt
1584 fi
7483e694
DB
1585 ;;
1586 esac
c597172e
MR
1587done
1588
bcea99bb
MR
1589disabled logging && logfile=/dev/null
1590
13cbe2c0 1591echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1592set >> $logfile
1593
9da6609f
MR
1594test -n "$cross_prefix" && enable cross_compile
1595
8d4c00ed
MR
1596if enabled cross_compile; then
1597 test -n "$arch" && test -n "$target_os" ||
1598 die "Must specify target arch and OS when cross-compiling"
1599fi
1600
1601set_default arch target_os
1602
121d78d0 1603ar_default="${cross_prefix}${ar_default}"
11e6d03a 1604cc_default="${cross_prefix}${cc_default}"
20e0ed95 1605nm_default="${cross_prefix}${nm_default}"
adb2b908 1606ranlib="${cross_prefix}${ranlib}"
4f837398 1607strip_default="${cross_prefix}${strip_default}"
adb2b908 1608
c5200f17
MR
1609sysinclude_default="${sysroot}/usr/include"
1610
4f837398 1611set_default cc nm strip sysinclude
9da6609f
MR
1612enabled cross_compile || host_cc_default=$cc
1613set_default host_cc
13c7df3d 1614
82bb3329
MR
1615exesuf() {
1616 case $1 in
1617 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1618 esac
1619}
1620
1621EXESUF=$(exesuf $target_os)
1622HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1623
e4e69e0b 1624# set temporary file name
a49d42c2 1625: ${TMPDIR:=$TEMPDIR}
c51fafa1 1626: ${TMPDIR:=$TMP}
a49d42c2 1627: ${TMPDIR:=/tmp}
e4e69e0b 1628
54460a83
MR
1629if ! check_cmd type mktemp; then
1630 # simple replacement for missing mktemp
1631 # NOT SAFE FOR GENERAL USE
1632 mktemp(){
1633 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1634 }
1635fi
1636
1637tmpfile(){
1638 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1639 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1640 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1641 append TMPFILES $tmp
1642 eval $1=$tmp
1643}
1644
1645trap 'rm -f -- $TMPFILES' EXIT
1646trap exit HUP INT TERM
1647
1648tmpfile TMPC .c
1649tmpfile TMPE $EXESUF
1650tmpfile TMPH .h
1651tmpfile TMPO .o
1652tmpfile TMPS .S
a482e61b 1653tmpfile TMPV .ver
54460a83
MR
1654tmpfile TMPSH .sh
1655
1656unset -f mktemp
e4e69e0b 1657
993f2d0f
MR
1658# make sure we can execute files in $TMPDIR
1659cat > $TMPSH 2>> $logfile <<EOF
1660#! /bin/sh
1661EOF
1662chmod +x $TMPSH >> $logfile 2>&1
1663if ! $TMPSH >> $logfile 2>&1; then
1664 cat <<EOF
1665Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1666variable to another directory and make sure that it is not mounted noexec.
1667EOF
1668 die "Sanity test failed."
1669fi
993f2d0f 1670
19b4c628
MR
1671filter_cflags=echo
1672filter_cppflags=echo
1673filter_asflags=echo
1674
8f0c157a 1675if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1676 cc_type=gcc
a3d7c197 1677 cc_version=__VERSION__
aef6bd1b
MR
1678 if ! $cc -dumpversion | grep -q '^2\.'; then
1679 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1680 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1681 fi
14ca9cd0
MR
1682 speed_cflags='-O3'
1683 size_cflags='-Os'
629687f6
MR
1684elif $cc --version 2>/dev/null | grep -q Intel; then
1685 cc_type=icc
6e3fa35d 1686 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1687 CC_DEPFLAGS='-MMD'
1688 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1689 speed_cflags='-O3'
1690 size_cflags='-Os'
b05394a0 1691 noopt_cflags='-O1'
629687f6
MR
1692elif $cc -v 2>&1 | grep -q xlc; then
1693 cc_type=xlc
6e3fa35d 1694 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1695 speed_cflags='-O5'
1696 size_cflags='-O5 -qcompact'
df442a8d
MR
1697elif $cc -V 2>/dev/null | grep -q Compaq; then
1698 cc_type=ccc
6e3fa35d 1699 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1700 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1701 debuglevel=3
df442a8d 1702 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1703 speed_cflags='-fast'
1704 size_cflags='-O1'
6a0d5493 1705elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1706 test -d "$sysroot" || die "No valid sysroot specified."
1707 cc_type=armcc
6e3fa35d 1708 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1709 armcc_conf="$PWD/armcc.conf"
1710 $cc --arm_linux_configure \
1711 --arm_linux_config_file="$armcc_conf" \
1712 --configure_sysroot="$sysroot" \
1713 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1714 die "Error creating armcc configuration file."
1715 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1716 as_default="${cross_prefix}gcc"
07dec06e
MR
1717 CC_DEPFLAGS='-MMD'
1718 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1719 speed_cflags='-O3'
1720 size_cflags='-Os'
6fec122a
MR
1721elif $cc -version 2>/dev/null | grep -q TMS470; then
1722 cc_type=tms470
6e3fa35d 1723 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1724 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1725 CC_O='-fr=$(@D)'
1726 as_default="${cross_prefix}gcc"
1727 ld_default="${cross_prefix}gcc"
6fec122a
MR
1728 TMPO=$(basename $TMPC .c).o
1729 append TMPFILES $TMPO
1730 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1731 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1732 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1733 speed_cflags='-O3 -mf=5'
1734 size_cflags='-O3 -mf=2'
6fec122a
MR
1735 filter_cflags=tms470_flags
1736 tms470_flags(){
1737 for flag; do
1738 case $flag in
1739 -march=*|-mcpu=*)
1740 case "${flag#*=}" in
1741 armv7-a|cortex-a*) echo -mv=7a8 ;;
1742 armv7-r|cortex-r*) echo -mv=7r4 ;;
1743 armv7-m|cortex-m*) echo -mv=7m3 ;;
1744 armv6*|arm11*) echo -mv=6 ;;
1745 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1746 echo -mv=5e ;;
1747 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1748 esac
1749 ;;
1750 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1751 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1752 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1753 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1754 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1755 -g) echo -g -mn ;;
587d24ff 1756 -pds=*) echo $flag ;;
6fec122a
MR
1757 esac
1758 done
1759 }
06da6943
DC
1760elif $cc -v 2>&1 | grep -q clang; then
1761 cc_type=clang
1762 cc_version=__VERSION__
1763 CC_DEPFLAGS='-MMD'
1764 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1765 speed_cflags='-O3'
1766 size_cflags='-Os'
2a472e9c
MK
1767elif $cc -V 2>&1 | grep -q Sun; then
1768 cc_type=suncc
1769 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1770 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1771 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1772 speed_cflags='-O5'
1773 size_cflags='-O5 -xspace'
03279bbe
MK
1774 filter_cflags=suncc_flags
1775 suncc_flags(){
1776 for flag; do
1777 case $flag in
1778 -march=*|-mcpu=*)
1779 case "${flag#*=}" in
1780 native) echo -xtarget=native ;;
87ddc38b 1781 v9|niagara) echo -xarch=sparc ;;
03279bbe 1782 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 1783 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
1784 i586|pentium) echo -xchip=pentium ;;
1785 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1786 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1787 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1788 pentium4*) echo -xtarget=pentium4 ;;
1789 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1790 *-sse3) echo -xarch=sse3 ;;
1791 core2) echo -xarch=ssse3 -xchip=core2 ;;
1792 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1793 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1794 k8|opteron|athlon64|athlon-fx)
1795 echo -xarch=sse2a ;;
1796 athlon*) echo -xarch=pentium_proa ;;
1797 esac
1798 ;;
1799 -std=c99) echo -xc99 ;;
1800 -fomit-frame-pointer) echo -xregs=frameptr ;;
1801 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1802 -W*,*) echo $flag ;;
1803 -f*-*|-W*) ;;
1804 *) echo $flag ;;
1805 esac
1806 done
1807 }
629687f6
MR
1808fi
1809
851ffa80
MR
1810test -n "$cc_type" && enable $cc_type ||
1811 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 1812
75bafbac 1813: ${as_default:=$cc}
50567afa 1814: ${dep_cc_default:=$cc}
684b28e0 1815: ${ld_default:=$cc}
121d78d0 1816set_default ar as dep_cc ld
75800dce 1817
07dec06e
MR
1818test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1819test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1820
7f32f40c 1821add_cflags $extra_cflags
2f2e6c7c 1822add_asflags $extra_cflags
7f32f40c 1823
154d432c
MR
1824if test -n "$sysroot"; then
1825 case "$cc_type" in
1826 gcc)
467256f2 1827 add_cppflags --sysroot="$sysroot"
154d432c
MR
1828 add_ldflags --sysroot="$sysroot"
1829 ;;
6fec122a
MR
1830 tms470)
1831 add_cppflags -I"$sysinclude"
1832 add_ldflags --sysroot="$sysroot"
1833 ;;
06da6943 1834 clang)
4def700e
DC
1835 add_cppflags -isysroot "$sysroot"
1836 add_ldflags -isysroot "$sysroot"
06da6943 1837 ;;
154d432c
MR
1838 esac
1839fi
1840
d22c13a8
MR
1841if test "$cpu" = host; then
1842 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1843
1844 case "$cc_type" in
1845 gcc)
1846 check_native(){
1847 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1848 sed -n "/$1=/{
1849 s/.*$1=\\([^ ]*\\).*/\\1/
1850 p
1851 q
1852 }" $TMPE
d22c13a8
MR
1853 }
1854 cpu=$(check_native -march || check_native -mcpu)
1855 ;;
1856 esac
1857
1858 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1859fi
1860
e939cedd
MR
1861# Deal with common $arch aliases
1862case "$arch" in
1863 arm*)
1864 arch="arm"
1865 ;;
1866 mips|mipsel|IP*)
1867 arch="mips"
1868 ;;
47b1860e 1869 mips64*)
e939cedd
MR
1870 arch="mips"
1871 subarch="mips64"
1872 ;;
1873 parisc|hppa)
1874 arch="parisc"
1875 ;;
1876 parisc64|hppa64)
1877 arch="parisc"
1878 subarch="parisc64"
1879 ;;
1880 "Power Macintosh"|ppc|powerpc)
1881 arch="ppc"
1882 ;;
47b1860e 1883 ppc64|powerpc64)
e939cedd
MR
1884 arch="ppc"
1885 subarch="ppc64"
1886 ;;
1887 s390|s390x)
1888 arch="s390"
1889 ;;
1890 sh4|sh)
1891 arch="sh4"
1892 ;;
1893 sun4u|sparc64)
1894 arch="sparc"
1895 subarch="sparc64"
1896 ;;
1897 i[3-6]86|i86pc|BePC|x86_64|amd64)
1898 arch="x86"
1899 ;;
1900esac
1901
851ffa80 1902is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 1903enable $arch
e939cedd 1904
df5cdc24 1905# Add processor-specific flags
5d54c126
MR
1906if test "$cpu" = generic; then
1907 : do nothing
1908elif enabled ppc; then
343aef9b 1909
56348891
MR
1910 case $(tolower $cpu) in
1911 601|ppc601|powerpc601)
9dbd5c3d 1912 cpuflags="-mcpu=601"
64ad53ff 1913 disable altivec
9dbd5c3d 1914 ;;
56348891 1915 603*|ppc603*|powerpc603*)
9dbd5c3d 1916 cpuflags="-mcpu=603"
64ad53ff 1917 disable altivec
9dbd5c3d 1918 ;;
56348891 1919 604*|ppc604*|powerpc604*)
9dbd5c3d 1920 cpuflags="-mcpu=604"
64ad53ff 1921 disable altivec
9dbd5c3d 1922 ;;
56348891 1923 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1924 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1925 disable altivec
9dbd5c3d 1926 ;;
56348891 1927 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1928 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1929 ;;
56348891 1930 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1931 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1932 ;;
56348891 1933 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1934 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1935 ;;
56348891 1936 cell)
9dbd5c3d
MR
1937 cpuflags="-mcpu=cell"
1938 enable ldbrx
1939 ;;
7b0b81a1
AL
1940 e500v2)
1941 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1942 disable altivec
1943 ;;
1944 e500)
1945 cpuflags="-mcpu=8540 -mhard-float"
1946 disable altivec
1947 ;;
9dbd5c3d 1948 esac
343aef9b
MR
1949
1950elif enabled x86; then
1951
9dbd5c3d
MR
1952 case $cpu in
1953 i[345]86|pentium)
1954 cpuflags="-march=$cpu"
1955 disable mmx
1956 ;;
1957 # targets that do NOT support conditional mov (cmov)
1958 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1959 cpuflags="-march=$cpu"
1960 disable cmov
1961 ;;
1962 # targets that do support conditional mov (cmov)
a65e687b 1963 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
9dbd5c3d
MR
1964 cpuflags="-march=$cpu"
1965 enable cmov
1966 enable fast_cmov
1967 ;;
1968 # targets that do support conditional mov but on which it's slow
1969 pentium4|pentium4m|prescott|nocona)
1970 cpuflags="-march=$cpu"
1971 enable cmov
1972 disable fast_cmov
1973 ;;
1974 esac
343aef9b
MR
1975
1976elif enabled sparc; then
1977
9dbd5c3d 1978 case $cpu in
26b7199e
MK
1979 niagara)
1980 cpuflags="-mcpu=$cpu"
1981 disable vis
1982 ;;
9dbd5c3d
MR
1983 sparc64)
1984 cpuflags="-mcpu=v9"
1985 ;;
1986 esac
343aef9b
MR
1987
1988elif enabled arm; then
1989
34ba23c9
MR
1990 case $cpu in
1991 armv*)
1992 cpuflags="-march=$cpu"
1993 ;;
1994 *)
1995 cpuflags="-mcpu=$cpu"
1996 ;;
1997 esac
343aef9b
MR
1998
1999elif enabled alpha; then
2000
34ba23c9 2001 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2002
2003elif enabled bfin; then
2004
34ba23c9 2005 cpuflags="-mcpu=$cpu"
343aef9b
MR
2006
2007elif enabled mips; then
2008
34ba23c9 2009 cpuflags="-march=$cpu"
343aef9b
MR
2010
2011elif enabled avr32; then
2012
9dbd5c3d
MR
2013 case $cpu in
2014 ap7[02]0[0-2])
2015 subarch="avr32_ap"
2016 cpuflags="-mpart=$cpu"
2017 ;;
2018 ap)
2019 subarch="avr32_ap"
2020 cpuflags="-march=$cpu"
2021 ;;
2022 uc3[ab]*)
2023 subarch="avr32_uc"
2024 cpuflags="-mcpu=$cpu"
2025 ;;
2026 uc)
2027 subarch="avr32_uc"
2028 cpuflags="-march=$cpu"
2029 ;;
2030 esac
df5cdc24 2031
343aef9b
MR
2032fi
2033
df5cdc24
MR
2034add_cflags $cpuflags
2035add_asflags $cpuflags
2036
993f2d0f
MR
2037# compiler sanity check
2038check_exec <<EOF
2039int main(void){ return 0; }
2040EOF
2041if test "$?" != 0; then
2042 echo "$cc is unable to create an executable file."
2043 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2044 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2045 echo "Only do this if you know what cross compiling means."
2046 fi
2047 die "C compiler test failed."
2048fi
2049
38a9c529 2050add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2051check_cflags -std=c99
50a334e4 2052check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2053#include <stdlib.h>
2054EOF
50a334e4 2055check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2056#include <stdlib.h>
2057EOF
e9b9a2f8 2058
f0125de9
MR
2059check_host_cflags -std=c99
2060
b24dbcbd 2061case "$arch" in
e939cedd 2062 alpha|ia64|mips|parisc|sparc)
8a3c8627 2063 spic=$shared
b24dbcbd 2064 ;;
e939cedd 2065 x86)
cfdb6148 2066 subarch="x86_32"
e939cedd 2067 check_cc <<EOF && subarch="x86_64"
58b3536d 2068 int test[(int)sizeof(char*) - 7];
cfdb6148 2069EOF
de27f4d9 2070 if test "$subarch" = "x86_64"; then
e939cedd 2071 spic=$shared
de27f4d9 2072 fi
b24dbcbd 2073 ;;
b24dbcbd
RP
2074esac
2075
343aef9b 2076enable $subarch
8a3c8627 2077enabled spic && enable pic
b24dbcbd 2078
7483e694 2079# OS specific
4f854758 2080case $target_os in
a1629e28 2081 haiku)
63ae7e7c 2082 prefix_default="/boot/common"
108caaaa 2083 network_extralibs="-lnetwork"
a1629e28 2084 ;;
7483e694
DB
2085 sunos)
2086 FFSERVERLDFLAGS=""
9987769a 2087 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2088 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2089 network_extralibs="-lsocket -lnsl"
50a334e4 2090 add_cppflags -D__EXTENSIONS__
8182dc34 2091 nm_opts='-P -g'
7483e694
DB
2092 ;;
2093 netbsd)
07a8eef6
MR
2094 oss_indev_extralibs="-lossaudio"
2095 oss_outdev_extralibs="-lossaudio"
2138dc99 2096 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2097 ;;
2098 openbsd)
89e053f8 2099 enable malloc_aligned
7c4a001a
MR
2100 # On OpenBSD 4.5. the compiler does not use PIC unless
2101 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2102 # however the generated executable will not do anything
2103 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2104 # Thus explicitly enable PIC here.
cd78208b 2105 enable pic
7483e694 2106 SHFLAGS='-shared'
07a8eef6
MR
2107 oss_indev_extralibs="-lossaudio"
2108 oss_outdev_extralibs="-lossaudio"
7483e694 2109 ;;
90b4f091 2110 freebsd|dragonfly)
89e053f8 2111 enable malloc_aligned
7483e694
DB
2112 ;;
2113 bsd/os)
2114 osextralibs="-lpoll -lgnugetopt"
2115 strip="strip -d"
2116 ;;
2117 darwin)
89e053f8 2118 enable malloc_aligned
0138c54e 2119 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
be90cd27 2120 strip="${strip} -x"
7483e694
DB
2121 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2122 SLIBSUF=".dylib"
2123 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2124 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2125 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2126 objformat="macho"
1b0f6fb8 2127 enabled x86_64 && objformat="macho64"
8dfa86f7 2128 enabled_any pic shared ||
2704bd1a 2129 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2130 ;;
2131 mingw32*)
9d3f4f50 2132 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2133 disable network
2134 else
2135 target_os=mingw32
2136 fi
dcc01c06 2137 LIBTARGET=i386
1fc9fb8a 2138 if enabled x86_64; then
89e053f8 2139 enable malloc_aligned
dcc01c06 2140 LIBTARGET=x64
336cc1b0
MS
2141 elif enabled arm; then
2142 LIBTARGET=arm
dcc01c06 2143 fi
fbd971a4 2144 shlibdir_default="$bindir_default"
7483e694
DB
2145 disable ffserver
2146 SLIBPREF=""
2147 SLIBSUF=".dll"
7483e694
DB
2148 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2149 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2150 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2151 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2152 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2153 install -d "$(LIBDIR)"; \
2154 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2155 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2156 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2157 objformat="win32"
bc574408 2158 enable dos_paths
1894e741 2159 check_cflags -fno-common
b1549d61 2160 if ! enabled x86_64; then
f7ad5aa2
RP
2161 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2162 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2163 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2164 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2165 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2166 fi
7483e694
DB
2167 ;;
2168 cygwin*)
4f854758 2169 target_os=cygwin
fbd971a4 2170 shlibdir_default="$bindir_default"
7483e694
DB
2171 SLIBPREF="cyg"
2172 SLIBSUF=".dll"
2173 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2174 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2175 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2176 objformat="win32"
bc574408 2177 enable dos_paths
1894e741 2178 check_cflags -fno-common
7483e694 2179 ;;
4f365f37 2180 *-dos|freedos|opendos)
fdf11906 2181 disable ffplay ffserver
4f365f37
MK
2182 disable $INDEV_LIST $OUTDEV_LIST
2183 network_extralibs="-lsocket"
ff1c015d 2184 objformat="coff"
bc574408 2185 enable dos_paths
4f365f37 2186 ;;
7483e694 2187 linux)
7483e694
DB
2188 enable dv1394
2189 ;;
2190 irix*)
4f854758 2191 target_os=irix
7483e694
DB
2192 ranlib="echo ignoring ranlib"
2193 ;;
d22e8442 2194 os/2*)
d22e8442
DY
2195 strip="lxlite"
2196 ln_s="cp -f"
d22e8442 2197 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2198 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2199 FFSERVERLDFLAGS=""
287d3b13 2200 LIBSUF="_s.a"
d22e8442
DY
2201 SLIBPREF=""
2202 SLIBSUF=".dll"
2203 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2204 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2205 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2206 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2207 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2208 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2209 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2210 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2211 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2212 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2213 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2214 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2215 enable dos_paths
d22e8442 2216 ;;
83993c1c
AM
2217 gnu/kfreebsd)
2218 ;;
34e82167 2219 gnu)
34e82167 2220 ;;
614d8911
MR
2221 none)
2222 ;;
7483e694 2223 *)
4f924f9a 2224 die "Unknown OS '$target_os'."
7483e694
DB
2225 ;;
2226esac
2227
13cb2187
AS
2228check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2229
c9d19248
MR
2230set_default $PATHS_LIST
2231
c597172e 2232add_extralibs $osextralibs
de6d9b64 2233
28d8e661
DB
2234# Combine FFLDFLAGS and the LDFLAGS environment variable.
2235LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2236
320d060a 2237# we need to build at least one lib type
93b3c083 2238if ! enabled_any static shared; then
320d060a
DB
2239 cat <<EOF
2240At least one library type must be built.
2241Specify --enable-static to build the static libraries or --enable-shared to
2242build the shared libraries as well. To only build the shared libraries specify
2243--disable-static in addition to --enable-shared.
2244EOF
2245 exit 1;
2246fi
2247
abc4e572 2248disabled static && LIBNAME=""
2a320695 2249
2184c6f7 2250die_license_disabled() {
4c27207c 2251 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2252}
2253
2184c6f7
DB
2254die_license_disabled gpl libx264
2255die_license_disabled gpl libxvid
2256die_license_disabled gpl postproc
2257die_license_disabled gpl x11grab
2258
2f7ae63b 2259die_license_disabled nonfree libfaac
b2e3c528 2260
0b175caa
DB
2261die_license_disabled version3 libopencore_amrnb
2262die_license_disabled version3 libopencore_amrwb
2263
9cad0e4e 2264enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2265
9eeed841 2266check_deps $ARCH_EXT_LIST
0f3cb305 2267
40617a6d 2268disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2269
e276d9e8
MR
2270enable_pic() {
2271 enable pic
bce7b696
MR
2272 add_cppflags -DPIC
2273 add_cflags -fPIC
2274 add_asflags -fPIC
e276d9e8
MR
2275}
2276
2277enabled pic && enable_pic
bce7b696 2278
b4d96ba2
MR
2279check_cc <<EOF || die "Symbol mangling check failed."
2280int ff_extern;
2281EOF
8182dc34 2282sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2283extern_prefix=${sym%%ff_extern*}
2284
f65883c8
MR
2285check_cc <<EOF && enable inline_asm
2286void foo(void) { __asm__ volatile ("" ::); }
2287EOF
61d251db 2288
df5e3978
MR
2289_restrict=
2290for restrict_keyword in restrict __restrict__ __restrict; do
2291 check_cc <<EOF && _restrict=$restrict_keyword && break
2292void foo(char * $restrict_keyword p);
2293EOF
2294done
2295
2296check_cc <<EOF && enable attribute_packed
2297struct { int x; } __attribute__((packed)) x;
2298EOF
2299
dffb41b9
MR
2300check_cc <<EOF && enable attribute_may_alias
2301union { int x; } __attribute__((may_alias)) x;
2302EOF
2303
df5e3978
MR
2304check_cc <<EOF || die "endian test failed"
2305unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2306EOF
48fc536a 2307od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2308
e939cedd
MR
2309if enabled alpha; then
2310
2311 check_cflags -mieee
2312
2313elif enabled arm; then
e45391bb 2314
50fa82e6
MR
2315 check_cflags -marm
2316
fa0912fe
MR
2317 check_ld <<EOF && enable vfp_args
2318__asm__ (".eabi_attribute 28, 1");
2319int main(void) { return 0; }
2320EOF
2321
2322 # We have to check if pld is a nop and disable it.
2323 check_asm pld '"pld [r0]"'
2324
2325 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2326 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2327 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2328 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2329 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2330 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2331
e276d9e8
MR
2332 enabled_all armv6t2 shared !pic && enable_pic
2333
fa0912fe 2334elif enabled mips; then
e45391bb 2335
fa0912fe
MR
2336 check_asm loongson '"dmult.g $1, $2, $3"'
2337 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2338
fa0912fe 2339elif enabled ppc; then
e45391bb 2340
e6a0c354
MR
2341 enable local_aligned_8 local_aligned_16
2342
fa0912fe 2343 check_asm dcbzl '"dcbzl 0, 1"'
2f0c136e 2344 check_asm ibm_asm '"add 0, 0, 0"'
fa0912fe 2345 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2346 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2347
2348 # AltiVec flags: The FSF version of GCC differs from the Apple version
2349 if enabled altivec; then
2350 check_cflags -maltivec -mabi=altivec &&
2351 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2352 check_cflags -faltivec
2353
2354 # check if our compiler supports Motorola AltiVec C API
2355 check_cc <<EOF || disable altivec
2356$inc_altivec_h
2357int main(void) {
2358 vector signed int v1, v2, v3;
2359 v1 = vec_add(v2,v3);
2360 return 0;
2361}
2362EOF
2363
2364 # check if our compiler supports braces for vector declarations
2365 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2366$inc_altivec_h
2367int main (void) { (vector int) {1}; return 0; }
2368EOF
2369 fi
e45391bb 2370
fa0912fe 2371elif enabled sparc; then
e45391bb 2372
fa0912fe
MR
2373 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2374 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2375
fa0912fe 2376elif enabled x86; then
e45391bb 2377
e6a0c354
MR
2378 enable local_aligned_8 local_aligned_16
2379
44965991
PI
2380 # check whether EBP is available on x86
2381 # As 'i' is stored on the stack, this program will crash
2382 # if the base pointer is used to access it because the
2383 # base pointer is cleared in the inline assembly code.
7dfef245 2384 check_exec_crash <<EOF && enable ebp_available
44965991 2385 volatile int i=0;
be449fca 2386 __asm__ volatile (
44965991
PI
2387 "xorl %%ebp, %%ebp"
2388 ::: "%ebp");
2389 return i;
44965991
PI
2390EOF
2391
f494213c 2392 # check whether EBX is available on x86
7cee5421
MR
2393 check_asm ebx_available '""::"b"(0)' &&
2394 check_asm ebx_available '"":::"%ebx"'
8e380710 2395
d3a4b4e0
DB
2396 # check whether more than 10 operands are supported
2397 check_cc <<EOF && enable ten_operands
2398int main(void) {
2399 int x=0;
2400 __asm__ volatile(
2401 ""
2402 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2403 );
2404 return 0;
2405}
2406EOF
2407
d7f0920b 2408 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2409 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2410 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2411
2412 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2413
d52481b9 2414 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2415 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2416 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2417 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2418 case "$objformat" in
2419 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2420 esac
31a0dcb2
MR
2421 if ! disabled yasm; then
2422 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2423 warn "yasm not found, performance will suffer"
2424 fi
e45391bb 2425
669b5583
MR
2426 case "$cpu" in
2427 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2428 disable fast_clz
2429 ;;
2430 esac
2431
44965991
PI
2432fi
2433
a98bb16d
RP
2434if check_func dlopen; then
2435 ldl=
2436elif check_func dlopen -ldl; then
2437 ldl=-ldl
8bf5d58f
MN
2438fi
2439
75ecf149
DB
2440# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2441check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2442
534a2231 2443check_func fcntl
7483e694 2444check_func fork
84882df6 2445check_func getaddrinfo $network_extralibs
7483e694
DB
2446check_func gethrtime
2447check_func getrusage
fc5607f8 2448check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2449check_func inet_aton $network_extralibs
abfc8d05 2450check_func isatty
4ae40685 2451check_func ${malloc_prefix}memalign && enable memalign
7483e694 2452check_func mkstemp
4ae40685 2453check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2454check_func setrlimit
87958234 2455check_func strerror_r
b507ebd1 2456check_func_headers io.h setmode
e4673692 2457check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2458check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2459check_func_headers windows.h GetProcessTimes
7c5bfe7a 2460check_func_headers windows.h VirtualAlloc
6ffa87d3 2461
e16e49ac 2462check_header conio.h
a98bb16d 2463check_header dlfcn.h
92c6a099 2464check_header dxva2api.h
a98bb16d 2465check_header malloc.h
bf6ce82d 2466check_header poll.h
b58412f1 2467check_header sys/mman.h
b091aa44 2468check_header sys/resource.h
bf6ce82d 2469check_header sys/select.h
a98bb16d 2470check_header termios.h
272081b0
CEH
2471check_header vdpau/vdpau.h
2472check_header vdpau/vdpau_x11.h
68178ca9 2473check_header X11/extensions/XvMClib.h
a98bb16d 2474
9104cd51
RP
2475check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2476
89e053f8
MR
2477if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2478 enabled_any $need_memalign ; then
1f91cdce 2479 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2480fi
e16e49ac 2481
a4fa192c 2482disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2483disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2484
2485# check for some common methods of building with pthread support
2486# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
2487if ! disabled pthreads && ! enabled w32threads; then
2488 enable pthreads
9e7fd101
MR
2489 if check_func pthread_create; then
2490 :
2491 elif check_func pthread_create -pthread; then
2492 add_cflags -pthread
afc9aee2 2493 add_extralibs -pthread
9e7fd101
MR
2494 elif check_func pthread_create -pthreads; then
2495 add_cflags -pthreads
afc9aee2 2496 add_extralibs -pthreads
8d94f606
GT
2497 elif check_func pthread_create -lpthreadGC2; then
2498 add_extralibs -lpthreadGC2
9e7fd101 2499 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 2500 disable pthreads
9e7fd101 2501 fi
57bd82d4
MR
2502fi
2503
8eee7025 2504for thread in $THREADS_LIST; do
e5f94c2b 2505 if enabled $thread; then
3ae3b721
RP
2506 test -n "$thread_type" &&
2507 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2508 thread_type="$thread"
e5f94c2b
RP
2509 fi
2510done
2511
fdf88598 2512check_lib math.h sin -lm
edd43c95 2513disabled vaapi || check_lib va/va.h vaInitialize -lva
fdf88598 2514
645d2652
MR
2515check_mathfunc exp2
2516check_mathfunc exp2f
2517check_mathfunc llrint
07876e25 2518check_mathfunc llrintf
645d2652
MR
2519check_mathfunc log2
2520check_mathfunc log2f
2521check_mathfunc lrint
2522check_mathfunc lrintf
2523check_mathfunc round
2524check_mathfunc roundf
2525check_mathfunc truncf
f32adb22 2526
57bd82d4 2527# these are off by default, so fail if requested and not available
a1b3c5a3 2528enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2529enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2530 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2531 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097 2532enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5af41508 2533enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
eb7626a3 2534enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
7483e694 2535enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
eb7626a3
MR
2536enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2537enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3d6fac8c 2538enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3a9bc39e 2539enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
36718e51
DB
2540enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2541 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2542enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2543enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2544enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
ee0e9146
JZ
2545enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2546 require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
eb7626a3 2547enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
652d9d24
JGG
2548 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2549 die "ERROR: libx264 version must be >= 0.98."; }
2bfecf73 2550enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2551enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2552
0b4a1821
AS
2553# libdc1394 check
2554if enabled libdc1394; then
2555 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2556 enable libdc1394_2; } ||
2557 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2558 enable libdc1394_1; } ||
2559 die "ERROR: No version of libdc1394 found "
2560fi
2561
6a1a892f 2562SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2563if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2564 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2565 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2566 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2567 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2568 enable sdl &&
2569 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2570fi
57bd82d4 2571
2270b4b2 2572texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2573
73b46a95 2574if enabled network; then
96000432 2575 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2576 check_type netdb.h "struct addrinfo"
b4d68544
MS
2577 check_type netinet/in.h "struct ipv6_mreq"
2578 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2579 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2580 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2581 # Prefer arpa/inet.h over winsock2
2582 if check_header arpa/inet.h ; then
2583 check_func closesocket
2584 elif check_header winsock2.h ; then
f4c13872
MS
2585 check_func_headers winsock2.h closesocket -lws2 && \
2586 network_extralibs="-lws2" || \
2587 { check_func_headers winsock2.h closesocket -lws2_32 && \
2588 network_extralibs="-lws2_32"; }
72be9e73 2589 check_type ws2tcpip.h socklen_t
c0018613 2590 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2591 check_type ws2tcpip.h "struct ipv6_mreq"
2592 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2593 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2594 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2595 else
2596 disable network
73b46a95
RP
2597 fi
2598fi
2599
06e31011
RP
2600check_header linux/videodev.h
2601check_header linux/videodev2.h
1b6e8b73 2602check_header sys/videoio.h
47f38850 2603
27796dc3 2604check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2605
f8aa696f 2606# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2607{ check_header dev/bktr/ioctl_meteor.h &&
2608 check_header dev/bktr/ioctl_bt848.h; } ||
2609{ check_header machine/ioctl_meteor.h &&
2610 check_header machine/ioctl_bt848.h; } ||
2611{ check_header dev/video/meteor/ioctl_meteor.h &&
2612 check_header dev/video/bktr/ioctl_bt848.h; } ||
2613check_header dev/ic/bt8xx.h
f8aa696f 2614
c7682de0
RP
2615check_header sys/soundcard.h
2616check_header soundcard.h
deb29777 2617
b6f3d925 2618enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2619
0e57fe17 2620enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2621
56a059ac 2622enabled x11grab &&
f58f4ce1
GP
2623check_header X11/Xlib.h &&
2624check_header X11/extensions/XShm.h &&
0a045661 2625check_header X11/extensions/Xfixes.h &&
f58f4ce1 2626check_func XOpenDisplay -lX11 &&
781c1aa6
R
2627check_func XShmCreateImage -lX11 -lXext &&
2628check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2629
598ef02b 2630if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2631check_cpp_condition \
2632 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2633 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2634 disable vdpau; }
abf649c7 2635fi
deda2a4a 2636
95e561ec 2637enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2638
2639# add some useful compiler flags if supported
2640check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2641check_cflags -Wall
2642check_cflags -Wno-switch
c07bd6a9
MN
2643check_cflags -Wdisabled-optimization
2644check_cflags -Wpointer-arith
2645check_cflags -Wredundant-decls
cc1fb623 2646check_cflags -Wno-pointer-sign
f4929996 2647check_cflags -Wcast-qual
9aceb3cf 2648check_cflags -Wwrite-strings
652a5bf6 2649check_cflags -Wtype-limits
764551c6 2650check_cflags -Wundef
fc298fd9 2651check_cflags -Wmissing-prototypes
5af4e0cc 2652enabled extra_warnings && check_cflags -Winline
cf9d24ad 2653
57bd82d4 2654# add some linker flags
5c0e9479 2655check_ldflags -Wl,--warn-common
8351d2ba
DB
2656check_ldflags -Wl,--as-needed
2657check_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 2658check_ldflags -Wl,-Bsymbolic
94a3401e 2659
a482e61b 2660echo "X{};" > $TMPV
b462d132 2661if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 2662 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
2663 check_cc <<EOF && enable symver_asm_label
2664void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 2665void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
2666EOF
2667 check_cc <<EOF && enable symver_gnu_asm
2668__asm__(".symver ff_foo,av_foo@VERSION");
2669void ff_foo(void) {}
2670EOF
2671fi
a482e61b 2672
bd2216e4 2673if enabled small; then
14ca9cd0 2674 add_cflags $size_cflags
8400d6b8
DB
2675 optimizations="small"
2676elif enabled optimizations; then
14ca9cd0 2677 add_cflags $speed_cflags
b05394a0
MR
2678else
2679 add_cflags $noopt_cflags
cddf3f45 2680fi
11fdbc44 2681check_cflags -fno-math-errno
b2eb2ff0 2682check_cflags -fno-signed-zeros
cddf3f45 2683
629687f6 2684if enabled icc; then
b1598b58
MR
2685 # Just warnings, no remarks
2686 check_cflags -w1
2687 # -wd: Disable following warnings
2688 # 144, 167, 556: -Wno-pointer-sign
2689 # 10006: ignoring unknown option -fno-signed-zeros
2690 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2691 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2692 # 11030: Warning unknown option --as-needed
2693 # 10156: ignoring option '-export'; no argument required
2694 check_ldflags -wd10156,11030
2695 # Allow to compile with optimizations
2696 check_ldflags -march=$cpu
be2cf98a
CEH
2697 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2698 enable ebp_available
df442a8d
MR
2699elif enabled ccc; then
2700 # disable some annoying warnings
2701 add_cflags -msg_disable cvtu32to64
2702 add_cflags -msg_disable embedcomment
2703 add_cflags -msg_disable needconstext
2704 add_cflags -msg_disable nomainieee
2705 add_cflags -msg_disable ptrmismatch1
2706 add_cflags -msg_disable unreachcode
973859f5
MR
2707elif enabled gcc; then
2708 check_cflags -fno-tree-vectorize
765e6134 2709 check_cflags -Werror=implicit-function-declaration
de63bfec 2710 check_cflags -Werror=missing-prototypes
06da6943
DC
2711elif enabled clang; then
2712 check_cflags -Qunused-arguments
138132be
MR
2713elif enabled armcc; then
2714 # 2523: use of inline assembler is deprecated
2715 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2716 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2717elif enabled tms470; then
2718 add_cflags -pds=824 -pds=837
504a64b9
CEH
2719fi
2720
7483e694
DB
2721enabled_any $THREADS_LIST && enable threads
2722
2723check_deps $CONFIG_LIST \
b6bb00b0 2724 $CONFIG_EXTRA \
7483e694
DB
2725 $HAVE_LIST \
2726 $DECODER_LIST \
2727 $ENCODER_LIST \
5666fd73 2728 $HWACCEL_LIST \
7483e694
DB
2729 $PARSER_LIST \
2730 $BSF_LIST \
2731 $DEMUXER_LIST \
2732 $MUXER_LIST \
f7679c54 2733 $FILTER_LIST \
7483e694
DB
2734 $INDEV_LIST \
2735 $OUTDEV_LIST \
2736 $PROTOCOL_LIST \
f70f03f6 2737
3bfd582c 2738enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 2739
3e89171a 2740echo "install prefix $prefix"
f36958f8
DB
2741echo "source path $source_path"
2742echo "C compiler $cc"
f36958f8 2743echo "ARCH $arch ($cpu)"
ce8871c2
MR
2744if test "$build_suffix" != ""; then
2745 echo "build suffix $build_suffix"
eb94aca9 2746fi
ac63af34
DB
2747if test "$extra_version" != ""; then
2748 echo "version string suffix $extra_version"
2749fi
0db2ce77 2750echo "big-endian ${bigendian-no}"
e90f5b5a 2751echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2752if enabled x86; then
af44e8e4 2753 echo "yasm ${yasm-no}"
0db2ce77 2754 echo "MMX enabled ${mmx-no}"
30e98e62 2755 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2756 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2757 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2758 echo "SSE enabled ${sse-no}"
30e98e62 2759 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2760 echo "CMOV enabled ${cmov-no}"
2761 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2762 echo "EBX available ${ebx_available-no}"
2763 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2764 echo "10 operands supported ${ten_operands-no}"
e41e8342 2765fi
5b6c2cbd 2766if enabled arm; then
0db2ce77
MR
2767 echo "ARMv5TE enabled ${armv5te-no}"
2768 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2769 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2770 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2771 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2772 echo "NEON enabled ${neon-no}"
eba9ae3c 2773fi
5b6c2cbd 2774if enabled mips; then
0db2ce77 2775 echo "MMI enabled ${mmi-no}"
e41e8342 2776fi
5b6c2cbd 2777if enabled ppc; then
0db2ce77 2778 echo "AltiVec enabled ${altivec-no}"
30e98e62 2779 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2780 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2781fi
2782if enabled sparc; then
2783 echo "VIS enabled ${vis-no}"
e41e8342 2784fi
0db2ce77 2785echo "debug symbols ${debug-no}"
87a0fb62 2786echo "strip symbols ${stripping-no}"
8400d6b8 2787echo "optimizations ${optimizations-no}"
0db2ce77
MR
2788echo "static ${static-no}"
2789echo "shared ${shared-no}"
4a24ab64 2790echo "postprocessing support ${postproc-no}"
f7679c54 2791echo "new filter support ${avfilter-no}"
81124ba0 2792echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2793echo "network support ${network-no}"
0db2ce77
MR
2794echo "threading support ${thread_type-no}"
2795echo "SDL support ${sdl-no}"
0db2ce77
MR
2796echo "Sun medialib support ${mlib-no}"
2797echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2798echo "libdc1394 support ${libdc1394-no}"
690bfceb 2799echo "libdirac enabled ${libdirac-no}"
0db2ce77 2800echo "libfaac enabled ${libfaac-no}"
0db2ce77
MR
2801echo "libgsm enabled ${libgsm-no}"
2802echo "libmp3lame enabled ${libmp3lame-no}"
2803echo "libnut enabled ${libnut-no}"
0b175caa
DB
2804echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2805echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2806echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2807echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2808echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2809echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2810echo "libtheora enabled ${libtheora-no}"
2811echo "libvorbis enabled ${libvorbis-no}"
8299a7f8 2812echo "libvpx enabled ${libvpx-no}"
d6bd62db
DB
2813echo "libx264 enabled ${libx264-no}"
2814echo "libxvid enabled ${libxvid-no}"
0db2ce77 2815echo "zlib enabled ${zlib-no}"
f402916e 2816echo "bzlib enabled ${bzlib-no}"
2c62e737 2817echo
de6d9b64 2818
5666fd73 2819for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2820 echo "Enabled ${type}s:"
f65c9da1 2821 eval list=\$$(toupper $type)_LIST
8138b9db 2822 for part in $list; do
f65c9da1
MR
2823 enabled $part && echo ${part%_*}
2824 done | sort | pr -3 -t
2825 echo
8138b9db
RP
2826done
2827
ba7a7039 2828license="LGPL version 2.1 or later"
ba321adb 2829if enabled nonfree; then
ba7a7039 2830 license="nonfree and unredistributable"
9cad0e4e
DB
2831elif enabled gplv3; then
2832 license="GPL version 3 or later"
2833elif enabled lgplv3; then
2834 license="LGPL version 3 or later"
ba321adb 2835elif enabled gpl; then
ba7a7039 2836 license="GPL version 2 or later"
ba321adb
JK
2837fi
2838
2839echo "License: $license"
ca5323af 2840
cf1392e9
DB
2841echo "Creating config.mak and config.h..."
2842
df642790
MR
2843# build tree in object directory if source path is different from current one
2844if enabled source_path_used; then
2845 DIRS="
2846 doc
2847 libavcodec
2848 libavcodec/$arch
2849 libavdevice
2850 libavfilter
2851 libavformat
2852 libavutil
2853 libavutil/$arch
2854 libpostproc
2855 libswscale
2856 libswscale/$arch
2857 tests
2858 tools
2859 "
2860 FILES="
2861 Makefile
2862 common.mak
2863 subdir.mak
2864 doc/texi2pod.pl
2865 libavcodec/Makefile
43f60eba 2866 libavcodec/${arch}/Makefile
df642790
MR
2867 libavdevice/Makefile
2868 libavfilter/Makefile
2869 libavformat/Makefile
2870 libavutil/Makefile
2871 libpostproc/Makefile
2872 libswscale/Makefile
2873 "
e0e335a0 2874 map 'mkdir -p $v' $DIRS;
43f60eba 2875 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2876fi
2877
ad212cc6
MR
2878enabled stripping || strip="echo skipping strip"
2879
173c983b
MR
2880cat > config.mak <<EOF
2881# Automatically generated by configure - do not modify!
2882ifndef FFMPEG_CONFIG_MAK
2883FFMPEG_CONFIG_MAK=1
2884FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2885prefix=$prefix
2886LIBDIR=\$(DESTDIR)$libdir
2887SHLIBDIR=\$(DESTDIR)$shlibdir
2888INCDIR=\$(DESTDIR)$incdir
2889BINDIR=\$(DESTDIR)$bindir
2890DATADIR=\$(DESTDIR)$datadir
2891MANDIR=\$(DESTDIR)$mandir
2892SRC_PATH="$source_path"
2893SRC_PATH_BARE=$source_path
2894BUILD_ROOT="$PWD"
2895ARCH=$arch
2896CC=$cc
2897AS=$as
2898LD=$ld
2899DEPCC=$dep_cc
2900YASM=$yasmexe
a4aea515 2901YASMDEP=$yasmexe
173c983b
MR
2902AR=$ar
2903RANLIB=$ranlib
4335125c 2904CP=cp -p
173c983b
MR
2905LN_S=$ln_s
2906STRIP=$strip
2907CPPFLAGS=$CPPFLAGS
2908CFLAGS=$CFLAGS
2909ASFLAGS=$ASFLAGS
2910CC_O=$CC_O
2911LDFLAGS=$LDFLAGS
2912FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2913SHFLAGS=$SHFLAGS
2914YASMFLAGS=$YASMFLAGS
2915BUILDSUF=$build_suffix
2916FULLNAME=$FULLNAME
2917LIBPREF=$LIBPREF
2918LIBSUF=$LIBSUF
2919LIBNAME=$LIBNAME
2920SLIBPREF=$SLIBPREF
2921SLIBSUF=$SLIBSUF
2922EXESUF=$EXESUF
2923EXTRA_VERSION=$extra_version
2924DEPFLAGS=$DEPFLAGS
2925CCDEP=$CCDEP
2926ASDEP=$ASDEP
2927CC_DEPFLAGS=$CC_DEPFLAGS
2928AS_DEPFLAGS=$AS_DEPFLAGS
2929HOSTCC=$host_cc
2930HOSTCFLAGS=$host_cflags
2931HOSTEXESUF=$HOSTEXESUF
2932HOSTLDFLAGS=$host_ldflags
2933HOSTLIBS=$host_libs
2934TARGET_EXEC=$target_exec
2935TARGET_PATH=$target_path
2936SDL_LIBS=$sdl_libs
2937SDL_CFLAGS=$sdl_cflags
2938LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2939EXTRALIBS=$extralibs
fd676deb 2940INSTALL=install
1afc4750
MR
2941LIBTARGET=${LIBTARGET}
2942SLIBNAME=${SLIBNAME}
2943SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2944SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2945SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2946SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2947SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2948SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 2949SAMPLES=$samples
173c983b 2950EOF
5a872801 2951
719c8e00
MR
2952get_version(){
2953 name=$1
2954 file=$source_path/$2
147e7692
MR
2955 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2956 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2957 lcname=$(tolower $name)
2958 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2959 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2960}
2961
147e7692
MR
2962get_version LIBSWSCALE libswscale/swscale.h
2963get_version LIBPOSTPROC libpostproc/postprocess.h
2964get_version LIBAVCODEC libavcodec/avcodec.h
2965get_version LIBAVDEVICE libavdevice/avdevice.h
2966get_version LIBAVFORMAT libavformat/avformat.h
2967get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2968get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2969
173c983b
MR
2970cat > $TMPH <<EOF
2971/* Automatically generated by configure - do not modify! */
2972#ifndef FFMPEG_CONFIG_H
2973#define FFMPEG_CONFIG_H
2974#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 2975#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
2976#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2977#define CC_TYPE "$cc_type"
2978#define CC_VERSION $cc_version
2979#define restrict $_restrict
42719e20 2980#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
173c983b
MR
2981#define EXTERN_PREFIX "${extern_prefix}"
2982#define EXTERN_ASM ${extern_prefix}
2983EOF
523ef551 2984
4ae40685
MR
2985test -n "$malloc_prefix" &&
2986 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
2987
523ef551 2988if enabled small || disabled optimizations; then
9a894c48 2989 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
2990 echo "#define av_always_inline" >> $TMPH
2991fi
2992
3d907e22
MR
2993print_config ARCH_ $TMPH config.mak $ARCH_LIST
2994print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2995print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2996 $CONFIG_EXTRA \
7483e694
DB
2997 $DECODER_LIST \
2998 $ENCODER_LIST \
5666fd73 2999 $HWACCEL_LIST \
7483e694
DB
3000 $PARSER_LIST \
3001 $BSF_LIST \
3002 $DEMUXER_LIST \
3003 $MUXER_LIST \
f7679c54 3004 $FILTER_LIST \
7483e694
DB
3005 $PROTOCOL_LIST \
3006 $INDEV_LIST \
3007 $OUTDEV_LIST \
8ac17293 3008
9c05103f 3009echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3010echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3011
b7860763 3012# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3013cp_if_changed $TMPH config.h
3d204385 3014
a3e02a8c
MR
3015cat > $TMPH <<EOF
3016/* Generated by ffconf */
3017#ifndef AVUTIL_AVCONFIG_H
3018#define AVUTIL_AVCONFIG_H
3019EOF
3020
3021print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3022
3023echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3024
3025cp_if_changed $TMPH libavutil/avconfig.h
3026
7bfc8ae6
MR
3027test -n "$WARNINGS" && printf "\n$WARNINGS"
3028
d0674868 3029# build pkg-config files
def4272a 3030
d0674868
DB
3031pkgconfig_generate(){
3032name=$1
b0dfd108 3033shortname=${name#lib}${build_suffix}
d0674868
DB
3034comment=$2
3035version=$3
3036libs=$4
3037requires=$5
25cd5cb3 3038cat <<EOF > $name/$name.pc
3e89171a 3039prefix=$prefix
a94e666c 3040exec_prefix=\${prefix}
f2b7382c 3041libdir=$libdir
7622778e 3042includedir=$incdir
def4272a 3043
d0674868
DB
3044Name: $name
3045Description: $comment
3046Version: $version
8cd6b388 3047Requires: $(enabled shared || echo $requires)
5dcfe9f8 3048Requires.private: $(enabled shared && echo $requires)
def4272a 3049Conflicts:
8cd6b388 3050Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3051Libs.private: $(enabled shared && echo $libs)
76a448ed 3052Cflags: -I\${includedir}
def4272a 3053EOF
25cd5cb3 3054cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3055prefix=
3056exec_prefix=
46d1ff83 3057libdir=\${pcfiledir}
1d44d365 3058includedir=${source_path}
def4272a 3059
d0674868
DB
3060Name: $name
3061Description: $comment
3062Version: $version
3063Requires: $requires
def4272a 3064Conflicts:
12701f6e 3065Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3066Cflags: -I\${includedir}
3067EOF
d0674868 3068}
def4272a 3069
e426941d 3070pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3071pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3072pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3073pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3074enabled avfilter &&
46983309 3075 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3076enabled postproc &&
e426941d 3077 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3078pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"