Fix symbol version compat wrappers on systems with export prefixes
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
74c53c2d 57show_help(){
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58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.err]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
336ce917 85 --disable-ffprobe disable ffprobe build
06454877 86 --disable-ffserver disable ffserver build
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87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
06454877 91 --enable-postproc enable GPLed postprocessing support [no]
cccc039f 92 --disable-avfilter disable video filter support [no]
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93 --enable-avfilter-lavf video filters dependent on avformat [no]
94 --enable-beosthreads use BeOS threads [no]
95 --enable-os2threads use OS/2 threads [no]
96 --enable-pthreads use pthreads [no]
97 --enable-w32threads use Win32 threads [no]
98 --enable-x11grab enable X11 grabbing [no]
99 --disable-network disable network support [no]
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100 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
103 --disable-fastdiv disable table-based division
104 --enable-small optimize for size instead of speed
105 --disable-aandct disable AAN DCT code
7f3f5f46 106 --disable-dct disable DCT code
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107 --disable-fft disable FFT code
108 --disable-golomb disable Golomb code
109 --disable-lpc disable LPC code
110 --disable-mdct disable MDCT code
111 --disable-rdft disable RDFT code
112 --disable-vaapi disable VAAPI code
113 --disable-vdpau disable VDPAU code
92c6a099 114 --disable-dxva2 disable DXVA2 code
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115 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
116 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
117 --enable-memalign-hack emulate memalign, interferes with memory debuggers
bb55e3a3 118 --disable-everything disable all components listed below
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119 --disable-encoder=NAME disable encoder NAME
120 --enable-encoder=NAME enable encoder NAME
121 --disable-encoders disable all encoders
122 --disable-decoder=NAME disable decoder NAME
123 --enable-decoder=NAME enable decoder NAME
124 --disable-decoders disable all decoders
125 --disable-hwaccel=NAME disable hwaccel NAME
126 --enable-hwaccel=NAME enable hwaccel NAME
127 --disable-hwaccels disable all hwaccels
128 --disable-muxer=NAME disable muxer NAME
129 --enable-muxer=NAME enable muxer NAME
130 --disable-muxers disable all muxers
131 --disable-demuxer=NAME disable demuxer NAME
132 --enable-demuxer=NAME enable demuxer NAME
133 --disable-demuxers disable all demuxers
134 --enable-parser=NAME enable parser NAME
135 --disable-parser=NAME disable parser NAME
136 --disable-parsers disable all parsers
137 --enable-bsf=NAME enable bitstream filter NAME
138 --disable-bsf=NAME disable bitstream filter NAME
139 --disable-bsfs disable all bitstream filters
140 --enable-protocol=NAME enable protocol NAME
141 --disable-protocol=NAME disable protocol NAME
142 --disable-protocols disable all protocols
143 --disable-indev=NAME disable input device NAME
144 --disable-outdev=NAME disable output device NAME
145 --disable-indevs disable input devices
146 --disable-outdevs disable output devices
147 --disable-devices disable all devices
148 --enable-filter=NAME enable filter NAME
149 --disable-filter=NAME disable filter NAME
150 --disable-filters disable all filters
151 --list-decoders show all available decoders
152 --list-encoders show all available encoders
153 --list-hwaccels show all available hardware accelerators
154 --list-muxers show all available muxers
155 --list-demuxers show all available demuxers
156 --list-parsers show all available parsers
157 --list-protocols show all available protocols
158 --list-bsfs show all available bitstream filters
159 --list-indevs show all available input devices
160 --list-outdevs show all available output devices
161 --list-filters show all available filters
162
163External library support:
164 --enable-avisynth enable reading of AVISynth script files [no]
165 --enable-bzlib enable bzlib [autodetect]
166 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
169 and libraw1394 [no]
170 --enable-libdirac enable Dirac support via libdirac [no]
171 --enable-libfaac enable FAAC support via libfaac [no]
172 --enable-libfaad enable FAAD support via libfaad [no]
173 --enable-libfaadbin open libfaad.so.0 at runtime [no]
174 --enable-libgsm enable GSM support via libgsm [no]
175 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
176 --enable-libnut enable NUT (de)muxing via libnut,
177 native (de)muxer exists [no]
178 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
0f943ce6 179 --enable-librtmp enable RTMP[E] support via librtmp [no]
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180 --enable-libschroedinger enable Dirac support via libschroedinger [no]
181 --enable-libspeex enable Speex decoding via libspeex [no]
182 --enable-libtheora enable Theora encoding via libtheora [no]
183 --enable-libvorbis enable Vorbis encoding via libvorbis,
184 native implementation exists [no]
8299a7f8 185 --enable-libvpx enable VP8 support via libvpx [no]
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186 --enable-libx264 enable H.264 encoding via x264 [no]
187 --enable-libxvid enable Xvid encoding via xvidcore,
188 native MPEG-4/Xvid encoder exists [no]
189 --enable-mlib enable Sun medialib [no]
190 --enable-zlib enable zlib [autodetect]
191
192Advanced options (experts only):
193 --source-path=PATH path to source code [$source_path]
194 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
195 --enable-cross-compile assume a cross-compiler is used
196 --sysroot=PATH root of cross-build tree
197 --sysinclude=PATH location of cross-build system headers
198 --target-os=OS compiler targets OS [$target_os]
199 --target-exec=CMD command to run executables on target
200 --target-path=DIR path to view of build directory on target
201 --nm=NM use nm tool
121d78d0 202 --ar=AR use archive tool AR [$ar_default]
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203 --as=AS use assembler AS [$as_default]
204 --cc=CC use C compiler CC [$cc_default]
205 --ld=LD use linker LD
206 --host-cc=HOSTCC use host C compiler HOSTCC
207 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
208 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
209 --host-libs=HLIBS use libs HLIBS when linking for host
210 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
211 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
212 --extra-libs=ELIBS add ELIBS [$ELIBS]
213 --extra-version=STRING version string suffix []
214 --build-suffix=SUFFIX library name suffix []
215 --arch=ARCH select architecture [$arch]
216 --cpu=CPU select the minimum required CPU (affects
217 instruction selection, may crash on older CPUs)
218 --enable-powerpc-perf enable performance report on PPC
219 (requires enabling PMC)
c8a4ae00 220 --disable-asm disable all assembler optimizations
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221 --disable-altivec disable AltiVec optimizations
222 --disable-amd3dnow disable 3DNow! optimizations
223 --disable-amd3dnowext disable 3DNow! extended optimizations
224 --disable-mmx disable MMX optimizations
225 --disable-mmx2 disable MMX2 optimizations
226 --disable-sse disable SSE optimizations
227 --disable-ssse3 disable SSSE3 optimizations
228 --disable-armv5te disable armv5te optimizations
229 --disable-armv6 disable armv6 optimizations
230 --disable-armv6t2 disable armv6t2 optimizations
231 --disable-armvfp disable ARM VFP optimizations
232 --disable-iwmmxt disable iwmmxt optimizations
233 --disable-mmi disable MMI optimizations
234 --disable-neon disable neon optimizations
235 --disable-vis disable VIS optimizations
236 --disable-yasm disable use of yasm assembler
237 --enable-pic build position-independent code
4ae40685 238 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 239 --enable-sram allow use of on-chip SRAM
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240
241Developer options (useful when working on FFmpeg itself):
242 --disable-debug disable debugging symbols
243 --enable-debug=LEVEL set the debug level [$debuglevel]
244 --enable-gprof enable profiling with gprof [$gprof]
245 --disable-optimizations disable compiler optimizations
246 --enable-extra-warnings enable more compiler warnings
247 --disable-stripping disable stripping of executables and shared libraries
2fad0977 248 --samples=PATH location of test samples for FATE
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249
250NOTE: Object files are built at the place where configure is launched.
251EOF
60e8bc13 252 exit 0
74c53c2d 253}
cf9d24ad 254
57bd82d4 255log(){
2270b4b2 256 echo "$@" >> $logfile
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257}
258
720c69da 259log_file(){
c8e9f801 260 log BEGIN $1
2270b4b2 261 pr -n -t $1 >> $logfile
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262 log END $1
263}
264
2ba042a7 265echolog(){
c8e9f801 266 log "$@"
57bd82d4 267 echo "$@"
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268}
269
270die(){
271 echolog "$@"
272 cat <<EOF
d326cf7f 273
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274If you think configure made a mistake, make sure you are using the latest
275version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 276ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 277EOF
e155a21a 278 if disabled logging; then
2ba042a7 279 cat <<EOF
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280Rerun configure with logging enabled (do not use --disable-logging), and
281include the log this produces with your report.
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282EOF
283 else
284cat <<EOF
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285Include the log file "$logfile" produced by configure as this will help
286solving the problem.
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287EOF
288 fi
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289 exit 1
290}
291
6c6007d6 292# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 293toupper(){
6c6007d6 294 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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295}
296
4a5444db 297tolower(){
6c6007d6 298 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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299}
300
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301c_escape(){
302 echo "$*" | sed 's/["\\]/\\\0/g'
303}
304
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305sh_quote(){
306 v=$(echo "$1" | sed "s/'/'\\\\''/g")
307 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
308 echo "$v"
309}
310
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311filter(){
312 pat=$1
313 shift
314 for v; do
98ef6079 315 eval "case $v in $pat) echo $v ;; esac"
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316 done
317}
318
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319map(){
320 m=$1
321 shift
e0e335a0 322 for v; do eval $m; done
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323}
324
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325set_all(){
326 value=$1
327 shift
328 for var in $*; do
329 eval $var=$value
330 done
331}
332
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333set_weak(){
334 value=$1
335 shift
336 for var; do
337 eval : \${$var:=$value}
338 done
339}
340
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341pushvar(){
342 for var in $*; do
343 eval level=\${${var}_level:=0}
344 eval ${var}_${level}="\$$var"
345 eval ${var}_level=$(($level+1))
346 done
347}
348
349popvar(){
350 for var in $*; do
351 eval level=\${${var}_level:-0}
352 test $level = 0 && continue
353 eval level=$(($level-1))
354 eval $var="\${${var}_${level}}"
355 eval ${var}_level=$level
356 eval unset ${var}_${level}
357 done
358}
359
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360enable(){
361 set_all yes $*
362}
363
364disable(){
365 set_all no $*
366}
367
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368enable_weak(){
369 set_weak yes $*
370}
371
372disable_weak(){
373 set_weak no $*
374}
375
72702705 376enable_safe(){
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377 for var; do
378 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
379 done
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380}
381
382disable_safe(){
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383 for var; do
384 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
385 done
72702705
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386}
387
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388do_enable_deep(){
389 for var; do
390 enabled $var && continue
391 eval sel="\$${var}_select"
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392 eval sgs="\$${var}_suggest"
393 pushvar var sgs
f9d328da 394 enable_deep $sel
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395 popvar sgs
396 enable_deep_weak $sgs
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397 popvar var
398 done
399}
400
401enable_deep(){
402 do_enable_deep $*
403 enable $*
404}
405
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406enable_deep_weak(){
407 do_enable_deep $*
408 enable_weak $*
409}
410
57bd82d4 411enabled(){
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412 test "${1#!}" = "$1" && op== || op=!=
413 eval test "x\$${1#!}" $op "xyes"
44161118
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414}
415
37970ebf 416disabled(){
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MR
417 test "${1#!}" = "$1" && op== || op=!=
418 eval test "x\$${1#!}" $op "xno"
37970ebf
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419}
420
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421enabled_all(){
422 for opt; do
423 enabled $opt || return 1
424 done
425}
426
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427disabled_all(){
428 for opt; do
429 disabled $opt || return 1
430 done
431}
432
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433enabled_any(){
434 for opt; do
435 enabled $opt && return 0
436 done
437}
438
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439disabled_any(){
440 for opt; do
441 disabled $opt && return 0
442 done
f7b230a7 443 return 1
85bca2c5
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444}
445
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446set_default(){
447 for opt; do
88268e94 448 eval : \${$opt:=\$${opt}_default}
c9d19248
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449 done
450}
451
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452is_in(){
453 value=$1
454 shift
455 for var in $*; do
456 [ $var = $value ] && return 0
457 done
458 return 1
459}
460
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461check_deps(){
462 for cfg; do
3250003c 463 cfg="${cfg#!}"
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464 enabled ${cfg}_checking && die "Circular dependency for $cfg."
465 disabled ${cfg}_checking && continue
466 enable ${cfg}_checking
467
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468 eval dep_all="\$${cfg}_deps"
469 eval dep_any="\$${cfg}_deps_any"
7ef3425f 470 eval dep_sel="\$${cfg}_select"
c510c7b5 471 eval dep_sgs="\$${cfg}_suggest"
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472 eval dep_ifa="\$${cfg}_if"
473 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 474
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475 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
476 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
477 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 478
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479 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
480 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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481 enabled_all $dep_all || disable $cfg
482 enabled_any $dep_any || disable $cfg
7ef3425f 483 disabled_any $dep_sel && disable $cfg
799c9e9b 484
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485 if enabled $cfg; then
486 eval dep_extralibs="\$${cfg}_extralibs"
487 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 488 enable_deep $dep_sel
c510c7b5 489 enable_deep_weak $dep_sgs
4ec45764
RP
490 fi
491
799c9e9b 492 disable ${cfg}_checking
30fd06be
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493 done
494}
495
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496print_config(){
497 pfx=$1
498 header=$2
499 makefile=$3
500 shift 3
501 for cfg; do
5e622c40 502 ucname="$(toupper $cfg)"
44161118 503 if enabled $cfg; then
3d907e22 504 echo "#define ${pfx}${ucname} 1" >> $header
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505 echo "${pfx}${ucname}=yes" >> $makefile
506 else
b250f9c6 507 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 508 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
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509 fi
510 done
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511}
512
513flags_saved(){
2270b4b2 514 (: ${SAVE_CFLAGS?}) 2> /dev/null
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515}
516
dcd479c0 517save_flags(){
57bd82d4 518 flags_saved && return
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519 SAVE_CFLAGS="$CFLAGS"
520 SAVE_LDFLAGS="$LDFLAGS"
521 SAVE_extralibs="$extralibs"
522}
523
524restore_flags(){
f5d28d10 525 flags_saved || return
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526 CFLAGS="$SAVE_CFLAGS"
527 LDFLAGS="$SAVE_LDFLAGS"
528 extralibs="$SAVE_extralibs"
529 unset SAVE_CFLAGS
530 unset SAVE_LDFLAGS
531 unset SAVE_extralibs
532}
533
534temp_cflags(){
535 save_flags
536 CFLAGS="$CFLAGS $*"
537}
538
539temp_ldflags(){
540 save_flags
541 LDFLAGS="$LDFLAGS $*"
542}
543
544temp_extralibs(){
545 save_flags
546 extralibs="$extralibs $*"
547}
548
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549append(){
550 var=$1
551 shift
552 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
553 eval "$var=\"\$$var $*\""
554}
555
50a334e4 556add_cppflags(){
caf458dd 557 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
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558}
559
57bd82d4 560add_cflags(){
caf458dd 561 append CFLAGS $($filter_cflags "$@")
57bd82d4
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562}
563
2f2e6c7c 564add_asflags(){
caf458dd 565 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
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566}
567
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568add_ldflags(){
569 append LDFLAGS "$@"
570}
571
572add_extralibs(){
573 append extralibs "$@"
574}
575
b0cfb663 576check_cmd(){
b3cb5d51 577 log "$@"
2270b4b2 578 "$@" >> $logfile 2>&1
b0cfb663
MR
579}
580
dcd479c0 581check_cc(){
57bd82d4 582 log check_cc "$@"
2270b4b2 583 cat > $TMPC
720c69da 584 log_file $TMPC
50a334e4 585 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
586}
587
588check_cpp(){
589 log check_cpp "$@"
2270b4b2 590 cat > $TMPC
720c69da 591 log_file $TMPC
9e7f3277 592 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
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593}
594
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595check_as(){
596 log check_as "$@"
597 cat > $TMPC
598 log_file $TMPC
2f2e6c7c 599 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
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600}
601
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602check_asm(){
603 log check_asm "$@"
604 name="$1"
3784e82e 605 code="$2"
940f335a 606 shift 2
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607 disable $name
608 check_as "$@" <<EOF && enable $name
3784e82e 609void foo(void){ __asm__ volatile($code); }
940f335a
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610EOF
611}
612
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613check_yasm(){
614 log check_yasm "$@"
615 echo "$1" > $TMPS
616 log_file $TMPS
617 shift 1
618 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
619}
620
dcd479c0 621check_ld(){
57bd82d4 622 log check_ld "$@"
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623 flags=''
624 libs=''
625 for f; do
626 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
627 done
2a194acd 628 check_cc $($filter_cflags $flags) || return
684b28e0 629 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
630}
631
50a334e4
MR
632check_cppflags(){
633 log check_cppflags "$@"
caf458dd
MR
634 set -- $($filter_cppflags "$@")
635 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
636int x;
637EOF
638}
639
dcd479c0 640check_cflags(){
57bd82d4 641 log check_cflags "$@"
caf458dd
MR
642 set -- $($filter_cflags "$@")
643 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
644int x;
645EOF
646}
647
2ed46eea
MR
648test_ldflags(){
649 log test_ldflags "$@"
650 check_ld "$@" <<EOF
c23a0ac8 651int main(void){ return 0; }
dcd479c0
MR
652EOF
653}
654
2ed46eea
MR
655check_ldflags(){
656 log check_ldflags "$@"
657 test_ldflags "$@" && add_ldflags "$@"
658}
659
dcd479c0 660check_header(){
57bd82d4 661 log check_header "$@"
dcd479c0
MR
662 header=$1
663 shift
b77df637
MR
664 disable_safe $header
665 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
666#include <$header>
667int x;
668EOF
669}
670
671check_func(){
57bd82d4 672 log check_func "$@"
dcd479c0
MR
673 func=$1
674 shift
d8bc5f06
MR
675 disable $func
676 check_ld "$@" <<EOF && enable $func
dcd479c0 677extern int $func();
c23a0ac8 678int main(void){ $func(); }
dcd479c0
MR
679EOF
680}
681
645d2652 682check_mathfunc(){
6b73c0ae 683 log check_mathfunc "$@"
645d2652
MR
684 func=$1
685 shift
686 disable $func
687 check_ld "$@" <<EOF && enable $func
688#include <math.h>
33bd38db
MR
689float foo(float f) { return $func(f); }
690int main(void){ return 0; }
645d2652
MR
691EOF
692}
693
2446d3d6
DB
694check_func_headers(){
695 log check_func_headers "$@"
f8d7b072
MR
696 headers=$1
697 func=$2
698 shift 2
699 disable $func
700 incs=""
701 for hdr in $headers; do
702 incs="$incs
703#include <$hdr>"
704 done
cd0d9a9d 705 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 706$incs
d6773f56 707int main(int argc, char **argv){
2b2c2a81 708 return (long) $func;
f8d7b072
MR
709}
710EOF
711}
712
a5344cf7
SS
713check_cpp_condition(){
714 log check_cpp_condition "$@"
715 header=$1
716 condition=$2
f855b7b9
MR
717 shift 2
718 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
719#include <$header>
720#if !($condition)
721#error "unsatisfied condition: $condition"
722#endif
723EOF
724}
725
57bd82d4
MR
726check_lib(){
727 log check_lib "$@"
728 header="$1"
729 func="$2"
730 shift 2
fcfcde17
MR
731 temp_extralibs "$@"
732 check_header $header && check_func $func && add_extralibs "$@"
733 err=$?
734 restore_flags
735 return $err
57bd82d4
MR
736}
737
f8d7b072
MR
738check_lib2(){
739 log check_lib2 "$@"
740 headers="$1"
741 func="$2"
742 shift 2
300cde27 743 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
744}
745
dcd479c0 746check_exec(){
2270b4b2 747 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
748}
749
7dfef245 750check_exec_crash(){
5e622c40 751 code=$(cat)
7dfef245
MR
752
753 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
754 # are safe but may not be available everywhere. Thus we use
755 # raise(SIGTERM) instead. The check is run in a subshell so we
756 # can redirect the "Terminated" message from the shell. SIGBUS
757 # is not defined by standard C so it is used conditionally.
758
2270b4b2 759 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
760#include <signal.h>
761static void sighandler(int sig){
762 raise(SIGTERM);
763}
e5af4a11 764int main(void){
7dfef245
MR
765 signal(SIGILL, sighandler);
766 signal(SIGFPE, sighandler);
767 signal(SIGSEGV, sighandler);
768#ifdef SIGBUS
769 signal(SIGBUS, sighandler);
770#endif
771 { $code }
772}
773EOF
774}
775
72be9e73
DY
776check_type(){
777 log check_type "$@"
778 headers=$1
779 type=$2
780 shift 2
ae550ce9 781 disable_safe "$type"
72be9e73
DY
782 incs=""
783 for hdr in $headers; do
784 incs="$incs
785#include <$hdr>"
786 done
ae550ce9 787 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
788$incs
789$type v;
790EOF
791}
792
14d36751
MR
793check_struct(){
794 log check_type "$@"
795 headers=$1
796 struct=$2
797 member=$3
798 shift 3
799 disable_safe "${struct}_${member}"
800 incs=""
801 for hdr in $headers; do
802 incs="$incs
803#include <$hdr>"
804 done
805 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
806$incs
807const void *p = &(($struct *)0)->$member;
808EOF
809}
810
57bd82d4
MR
811require(){
812 name="$1"
813 header="$2"
814 func="$3"
815 shift 3
816 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
817}
818
f8d7b072
MR
819require2(){
820 name="$1"
821 headers="$2"
822 func="$3"
823 shift 3
824 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
825}
826
eea50282
MR
827check_foo_config(){
828 cfg=$1
829 pkg=$2
830 header=$3
831 func=$4
832 shift 4
833 disable $cfg
834 check_cmd ${pkg}-config --version
835 err=$?
836 if test "$err" = 0; then
5e622c40
DB
837 temp_cflags $(${pkg}-config --cflags)
838 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
839 check_lib "$@" $header $func && enable $cfg
840 fi
841 return $err
842}
843
f0125de9
MR
844check_host_cc(){
845 log check_host_cc "$@"
846 cat > $TMPC
847 log_file $TMPC
848 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
849}
850
851check_host_cflags(){
852 log check_host_cflags "$@"
853 check_host_cc "$@" <<EOF && append host_cflags "$@"
854int x;
855EOF
856}
857
c505dd31
MR
858apply(){
859 file=$1
860 shift
861 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
862}
863
c34681df
MR
864cp_if_changed(){
865 cmp -s "$1" "$2" &&
866 echo "$2 is unchanged" ||
867 cp -f "$1" "$2"
868}
869
dcd61286
DB
870# CONFIG_LIST contains configurable options, while HAVE_LIST is for
871# system-dependent things.
872
4a0d6686
AJ
873COMPONENT_LIST="
874 bsfs
875 decoders
876 demuxers
877 encoders
3cde40aa 878 filters
5666fd73 879 hwaccels
c552605c 880 indevs
4a0d6686 881 muxers
c552605c 882 outdevs
4a0d6686
AJ
883 parsers
884 protocols
885"
886
887CONFIG_LIST="
888 $COMPONENT_LIST
e8ed9b7a 889 aandct
5a0f7131
MR
890 avcodec
891 avdevice
f7679c54
VS
892 avfilter
893 avfilter_lavf
5a0f7131 894 avformat
c88f5d72 895 avisynth
f402916e 896 bzlib
7f3f5f46 897 dct
c73f65d9 898 doc
05aec7bb 899 dwt
92c6a099 900 dxva2
27a9466b 901 fastdiv
c88f5d72
MR
902 ffmpeg
903 ffplay
336ce917 904 ffprobe
c88f5d72 905 ffserver
1848f7d9 906 fft
4f034993 907 golomb
c88f5d72 908 gpl
ecfc4f44 909 gprof
d8d0d0b2 910 gray
4693b031 911 h264dsp
3abe5fbd 912 hardcoded_tables
f7b8bffe 913 libdc1394
690bfceb 914 libdirac
2eed5a46
DB
915 libfaac
916 libfaad
917 libfaadbin
c88f5d72 918 libgsm
6ebe07fb 919 libmp3lame
c88f5d72 920 libnut
0b175caa
DB
921 libopencore_amrnb
922 libopencore_amrwb
9a77d59a 923 libopenjpeg
0f943ce6 924 librtmp
f7cd9eed 925 libschroedinger
ae14f311 926 libspeex
150d2772 927 libtheora
c88f5d72 928 libvorbis
8299a7f8 929 libvpx
1cc60c47
DB
930 libx264
931 libxvid
f4d608e3 932 lpc
b781cc12 933 lsp
47a158cb 934 mdct
c88f5d72 935 memalign_hack
a8150374 936 mlib
c88f5d72
MR
937 mpegaudio_hp
938 network
3fe142e2 939 nonfree
8a3c8627 940 pic
4a24ab64 941 postproc
2b4c3615 942 powerpc_perf
68602540 943 rdft
e90f5b5a 944 runtime_cpudetect
2e35e684 945 shared
bd2216e4 946 small
6b35d421 947 sram
2e35e684 948 static
5a0f7131 949 swscale
a9ddb5b1 950 swscale_alpha
17492d5e
DB
951 vaapi
952 vdpau
9cad0e4e 953 version3
56a059ac 954 x11grab
c88f5d72 955 zlib
4a0d6686 956"
c88f5d72 957
8eee7025
DB
958THREADS_LIST='
959 beosthreads
d22e8442 960 os2threads
8eee7025
DB
961 pthreads
962 w32threads
963'
964
3f5b56e5
MR
965ARCH_LIST='
966 alpha
a2fc0f6a 967 arm
fdcd782d
MR
968 avr32
969 avr32_ap
970 avr32_uc
3f5b56e5
MR
971 bfin
972 ia64
973 m68k
974 mips
bae3abb0 975 mips64
3f5b56e5 976 parisc
79cb09b2 977 ppc
34d11b87 978 ppc64
3f5b56e5
MR
979 s390
980 sh4
981 sparc
982 sparc64
0844bae1 983 tomi
3f5b56e5
MR
984 x86
985 x86_32
986 x86_64
987'
988
989ARCH_EXT_LIST='
1ac9331a 990 altivec
3bf96eec 991 amd3dnow
a1ef9f08 992 amd3dnowext
1ac9331a 993 armv5te
edab3048 994 armv6
ab5cb084 995 armv6t2
f55b299a 996 armvfp
3f5b56e5
MR
997 iwmmxt
998 mmi
999 mmx
d7f0920b 1000 mmx2
6b18d278 1001 neon
799fde37 1002 ppc4xx
1bb04d5a 1003 sse
9eeed841 1004 ssse3
bd9d34a0 1005 vis
3f5b56e5
MR
1006'
1007
a3e02a8c
MR
1008HAVE_LIST_PUB='
1009 bigendian
1010'
1011
3f5b56e5
MR
1012HAVE_LIST="
1013 $ARCH_EXT_LIST
a3e02a8c 1014 $HAVE_LIST_PUB
3f5b56e5 1015 $THREADS_LIST
35fd8122 1016 alsa_asoundlib_h
3f5b56e5 1017 altivec_h
c9fdab0d 1018 arpa_inet_h
dffb41b9 1019 attribute_may_alias
e7ea5e3d 1020 attribute_packed
6bd859d6 1021 bswap
ecf97f22 1022 closesocket
1ac9331a 1023 cmov
e16e49ac 1024 conio_h
c88f5d72 1025 dcbzl
f8aa696f
DB
1026 dev_bktr_ioctl_bt848_h
1027 dev_bktr_ioctl_meteor_h
1028 dev_ic_bt8xx_h
1029 dev_video_meteor_ioctl_meteor_h
1030 dev_video_bktr_ioctl_bt848_h
18b67ae5 1031 dlfcn_h
c88f5d72 1032 dlopen
bc574408 1033 dos_paths
245626d0
DB
1034 ebp_available
1035 ebx_available
6b7c7703
VS
1036 exp2
1037 exp2f
c2a29455 1038 fast_64bit
669b5583 1039 fast_clz
7073e9fc 1040 fast_cmov
7b829d2a 1041 fast_unaligned
9d99cc5a 1042 fork
84882df6 1043 getaddrinfo
da9e86f8 1044 gethrtime
fc5607f8 1045 GetProcessMemoryInfo
4e68cb8a 1046 GetProcessTimes
66be5b45 1047 getrusage
fc5607f8 1048 struct_rusage_ru_maxrss
2e1913b1 1049 inet_aton
61d251db 1050 inline_asm
abfc8d05 1051 isatty
9f5ff83f 1052 ldbrx
0b4a1821
AS
1053 libdc1394_1
1054 libdc1394_2
a33cab3a 1055 llrint
07876e25 1056 llrintf
d96cd429
MR
1057 local_aligned_16
1058 local_aligned_8
291fd18a 1059 log2
6b7c7703 1060 log2f
85dd97ad 1061 loongson
a33cab3a 1062 lrint
c88f5d72 1063 lrintf
e4673692 1064 lzo1x_999_compress
f8aa696f
DB
1065 machine_ioctl_bt848_h
1066 machine_ioctl_meteor_h
c88f5d72
MR
1067 malloc_h
1068 memalign
6ffa87d3 1069 mkstemp
b4e806b2 1070 pld
1f91cdce 1071 posix_memalign
a33cab3a
MK
1072 round
1073 roundf
c88f5d72
MR
1074 sdl
1075 sdl_video_size
b507ebd1 1076 setmode
72be9e73 1077 socklen_t
deb29777 1078 soundcard_h
f8cda19e 1079 poll_h
0104b608 1080 setrlimit
87958234 1081 strerror_r
c0018613 1082 struct_addrinfo
b4d68544
MS
1083 struct_ipv6_mreq
1084 struct_sockaddr_in6
3b2372bf 1085 struct_sockaddr_sa_len
33a4dbdd 1086 struct_sockaddr_storage
b462d132
MR
1087 symver
1088 symver_gnu_asm
1089 symver_asm_label
b58412f1 1090 sys_mman_h
b091aa44 1091 sys_resource_h
81644c2e 1092 sys_select_h
deb29777 1093 sys_soundcard_h
1b6e8b73 1094 sys_videoio_h
d3a4b4e0 1095 ten_operands
e16e49ac 1096 termios_h
b265431e 1097 threads
7b04b8a0 1098 truncf
ce742de2 1099 vfp_args
7c5bfe7a 1100 VirtualAlloc
6ff3f3e7 1101 winsock2_h
cc078b5d 1102 xform_asm
304d586d 1103 yasm
0cb78cef 1104"
44161118 1105
b6bb00b0
MR
1106# options emitted with CONFIG_ prefix but not available on command line
1107CONFIG_EXTRA="
dc4f5a1c 1108 avutil
9cad0e4e
DB
1109 gplv3
1110 lgplv3
b6bb00b0
MR
1111"
1112
520cc7f1 1113CMDLINE_SELECT="
3f5b56e5 1114 $ARCH_EXT_LIST
520cc7f1 1115 $CONFIG_LIST
8eee7025 1116 $THREADS_LIST
c8a4ae00 1117 asm
db6107b6 1118 cross_compile
520cc7f1
MR
1119 debug
1120 extra_warnings
8c6afa4d 1121 logging
d2bbb2f7 1122 optimizations
87a0fb62 1123 stripping
7595a5e4 1124 yasm
520cc7f1 1125"
426be5dc
DB
1126
1127PATHS_LIST='
d156bede 1128 bindir
14a8acf1 1129 datadir
26759c44
MR
1130 incdir
1131 libdir
26759c44
MR
1132 mandir
1133 prefix
1134 shlibdir
426be5dc
DB
1135'
1136
1137CMDLINE_SET="
1138 $PATHS_LIST
121d78d0 1139 ar
426be5dc 1140 arch
313c46a6 1141 as
426be5dc
DB
1142 build_suffix
1143 cc
1144 cpu
1145 cross_prefix
50567afa 1146 dep_cc
ac63af34 1147 extra_version
9da6609f
MR
1148 host_cc
1149 host_cflags
1150 host_ldflags
1151 host_libs
82bb3329 1152 host_os
684b28e0 1153 ld
426be5dc 1154 logfile
4ae40685 1155 malloc_prefix
89641463 1156 nm
2fad0977 1157 samples
26759c44 1158 source_path
4f837398 1159 strip
c5200f17
MR
1160 sysinclude
1161 sysroot
a7ada2ba 1162 target_exec
26759c44 1163 target_os
a7ada2ba 1164 target_path
426be5dc 1165"
520cc7f1 1166
89f2932b
MR
1167CMDLINE_APPEND="
1168 extra_cflags
1169"
1170
912f3148
DB
1171# code dependency declarations
1172
9eeed841 1173# architecture extensions
808fa33c 1174
a2fc0f6a
MR
1175armv5te_deps="arm"
1176armv6_deps="arm"
ab5cb084 1177armv6t2_deps="arm"
a2fc0f6a
MR
1178armvfp_deps="arm"
1179iwmmxt_deps="arm"
808fa33c
MR
1180neon_deps="arm"
1181
e241ba14 1182mmi_deps="mips"
808fa33c
MR
1183
1184altivec_deps="ppc"
1185ppc4xx_deps="ppc"
1186
1187vis_deps="sparc"
1188
7f8c3d1f 1189x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1190amd3dnow_deps="mmx"
1191amd3dnowext_deps="amd3dnow"
9eeed841 1192mmx_deps="x86"
75aa95a6 1193mmx2_deps="mmx"
75aa95a6
DB
1194sse_deps="mmx"
1195ssse3_deps="sse"
9eeed841 1196
e939cedd 1197fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1198fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1199fast_unaligned_if_any="armv6 ppc x86"
669b5583 1200
89e053f8 1201need_memalign="altivec neon sse"
6fec122a 1202inline_asm_deps="!tms470"
89e053f8 1203
b462d132
MR
1204symver_if_any="symver_asm_label symver_gnu_asm"
1205
26fbcc85
MR
1206# subsystems
1207mdct_select="fft"
1208rdft_select="fft"
1209
5666fd73 1210# decoders / encoders / hardware accelerators
49351479 1211aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1212aac_encoder_select="mdct"
1213ac3_decoder_select="mdct ac3_parser"
f4d608e3 1214alac_encoder_select="lpc"
b781cc12 1215amrnb_decoder_select="lsp"
084cbbaa 1216atrac1_decoder_select="mdct"
26fbcc85
MR
1217atrac3_decoder_select="mdct"
1218binkaudio_dct_decoder_select="mdct rdft dct"
1219binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1220cavs_decoder_select="golomb"
26fbcc85 1221cook_decoder_select="mdct"
2eef7c62 1222cscd_decoder_suggest="zlib"
26fbcc85 1223dca_decoder_select="mdct"
e8ed9b7a 1224dnxhd_encoder_select="aandct"
2eef7c62 1225dxa_decoder_select="zlib"
baf91bb9 1226eac3_decoder_select="ac3_decoder"
84c04e25 1227eamad_decoder_select="aandct"
e8ed9b7a 1228eatgq_decoder_select="aandct"
d52b39c7 1229eatqi_decoder_select="aandct"
4f034993
MR
1230ffv1_decoder_select="golomb"
1231flac_decoder_select="golomb"
f4d608e3 1232flac_encoder_select="golomb lpc"
2eef7c62
AJ
1233flashsv_decoder_select="zlib"
1234flashsv_encoder_select="zlib"
4414137e 1235flv_decoder_select="h263_decoder"
4d4b4bd1 1236flv_encoder_select="h263_encoder"
e8ed9b7a 1237h261_encoder_select="aandct"
7f647ae0 1238h263_decoder_select="h263_parser"
e8ed9b7a 1239h263_encoder_select="aandct"
95a61cfc 1240h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1241h263i_decoder_select="h263_decoder"
fe629c2d 1242h263p_encoder_select="h263_encoder"
4693b031 1243h264_decoder_select="golomb h264dsp"
92c6a099
LA
1244h264_dxva2_hwaccel_deps="dxva2api_h"
1245h264_dxva2_hwaccel_select="dxva2 h264_decoder"
17492d5e 1246h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1247h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1248imc_decoder_select="fft mdct"
4f034993
MR
1249jpegls_decoder_select="golomb"
1250jpegls_encoder_select="golomb"
e8ed9b7a 1251ljpeg_encoder_select="aandct"
4f034993 1252loco_decoder_select="golomb"
e8ed9b7a 1253mjpeg_encoder_select="aandct"
2cca233b 1254mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1255mpeg1video_encoder_select="aandct"
1256mpeg2video_encoder_select="aandct"
4414137e 1257mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1258mpeg4_encoder_select="h263_encoder"
95a61cfc 1259mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1260mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
95a61cfc 1261mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
95a61cfc 1262mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1263mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1264mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1265mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1266msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1267msmpeg4v1_encoder_select="h263_encoder"
4414137e 1268msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1269msmpeg4v2_encoder_select="h263_encoder"
4414137e 1270msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1271msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1272nellymoser_decoder_select="mdct"
1273nellymoser_encoder_select="mdct"
2eef7c62
AJ
1274png_decoder_select="zlib"
1275png_encoder_select="zlib"
b781cc12 1276qcelp_decoder_select="lsp"
26fbcc85 1277qdm2_decoder_select="mdct rdft"
d31ba231 1278real_144_encoder_select="lpc"
a8beb22f 1279rv10_decoder_select="h263_decoder"
b2bf38b4 1280rv10_encoder_select="h263_encoder"
a8beb22f 1281rv20_decoder_select="h263_decoder"
b2bf38b4 1282rv20_encoder_select="h263_encoder"
4693b031
MR
1283rv30_decoder_select="golomb h264dsp"
1284rv40_decoder_select="golomb h264dsp"
4f034993 1285shorten_decoder_select="golomb"
b781cc12 1286sipr_decoder_select="lsp"
05aec7bb
MR
1287snow_decoder_select="dwt"
1288snow_encoder_select="aandct dwt"
4f034993
MR
1289sonic_decoder_select="golomb"
1290sonic_encoder_select="golomb"
1291sonic_ls_encoder_select="golomb"
19ecfb8a 1292svq1_encoder_select="aandct"
4693b031 1293svq3_decoder_select="golomb h264dsp"
bee2eac5 1294svq3_decoder_suggest="zlib"
4eef77c1 1295theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1296tiff_decoder_suggest="zlib"
1297tiff_encoder_suggest="zlib"
aec09a00 1298truehd_decoder_select="mlp_decoder"
2eef7c62 1299tscc_decoder_select="zlib"
b781cc12 1300twinvq_decoder_select="mdct lsp"
f95bfab0 1301vc1_decoder_select="h263_decoder"
9104cd51 1302vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1303vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1304vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1305vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1306vorbis_decoder_select="mdct"
1307vorbis_encoder_select="mdct"
e82dc4c9
DB
1308vp6a_decoder_select="vp6_decoder"
1309vp6f_decoder_select="vp6_decoder"
084cbbaa 1310wmapro_decoder_select="mdct"
26fbcc85
MR
1311wmav1_decoder_select="mdct"
1312wmav1_encoder_select="mdct"
1313wmav2_decoder_select="mdct"
1314wmav2_encoder_select="mdct"
005ad8a0 1315wmavoice_decoder_select="lsp rdft dct"
f95bfab0 1316wmv1_decoder_select="h263_decoder"
665507aa 1317wmv1_encoder_select="h263_encoder"
f95bfab0 1318wmv2_decoder_select="h263_decoder"
1746e2a9 1319wmv2_encoder_select="h263_encoder"
015f8ee0 1320wmv3_decoder_select="vc1_decoder"
f0f86627 1321wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1322wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1323wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1324zlib_decoder_select="zlib"
1325zlib_encoder_select="zlib"
1326zmbv_decoder_select="zlib"
1327zmbv_encoder_select="zlib"
30fd06be 1328
0afab17e 1329vaapi_deps="va_va_h"
c89c96e9
MR
1330vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1331
28b80940 1332# parsers
4693b031 1333h264_parser_select="golomb h264dsp"
28b80940 1334
f1e94694
DB
1335# bitstream_filters
1336aac_adtstoasc_bsf_select="aac_parser"
1337
912f3148 1338# external libraries
1b71f045 1339libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1340libdirac_encoder_deps="libdirac"
c9171a83 1341libfaac_encoder_deps="libfaac"
69ddbd1d 1342libfaad_decoder_deps="libfaad"
405213b7 1343libfaadbin_extralibs='$ldl'
299c77d5
MR
1344libgsm_decoder_deps="libgsm"
1345libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1346libgsm_ms_decoder_deps="libgsm"
1347libgsm_ms_encoder_deps="libgsm"
1cc60c47 1348libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1349libopencore_amrnb_decoder_deps="libopencore_amrnb"
1350libopencore_amrnb_encoder_deps="libopencore_amrnb"
1351libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1352libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1353libschroedinger_decoder_deps="libschroedinger"
1354libschroedinger_encoder_deps="libschroedinger"
ae14f311 1355libspeex_decoder_deps="libspeex"
150d2772 1356libtheora_encoder_deps="libtheora"
b0caf888 1357libvorbis_encoder_deps="libvorbis"
8299a7f8 1358libvpx_decoder_deps="libvpx"
ee0e9146 1359libvpx_encoder_deps="libvpx"
1cc60c47
DB
1360libx264_encoder_deps="libx264"
1361libxvid_encoder_deps="libxvid"
30fd06be 1362
912f3148 1363# demuxers / muxers
03a76ba9 1364ac3_demuxer_deps="ac3_parser"
647c2356 1365asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1366avisynth_demuxer_deps="avisynth"
1367dirac_demuxer_deps="dirac_parser"
5b423887 1368eac3_demuxer_select="ac3_parser"
647c2356 1369ipod_muxer_select="mov_muxer"
4e622dea
SS
1370libnut_demuxer_deps="libnut"
1371libnut_muxer_deps="libnut"
647c2356 1372matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1373matroska_demuxer_suggest="zlib bzlib"
1374mov_demuxer_suggest="zlib"
1375mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1376mp4_muxer_select="mov_muxer"
1377mpegtsraw_demuxer_select="mpegts_demuxer"
1378mxf_d10_muxer_select="mxf_muxer"
24ca518b 1379ogg_demuxer_select="golomb"
647c2356 1380psp_muxer_select="mov_muxer"
4e622dea 1381rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1382rtsp_muxer_deps="sdp_demuxer"
1383rtsp_muxer_select="rtp_muxer"
4e622dea 1384sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1385sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1386spdif_muxer_select="aac_parser"
647c2356
DB
1387tg2_muxer_select="mov_muxer"
1388tgp_muxer_select="mov_muxer"
6bdaa5f4 1389w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1390
1391# indevs / outdevs
38e54a75
SS
1392alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1393alsa_indev_extralibs="-lasound"
1394alsa_outdev_deps="alsa_asoundlib_h"
1395alsa_outdev_extralibs="-lasound"
38e54a75 1396bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1397dv1394_indev_deps="dv1394 dv_demuxer"
1398jack_indev_deps="jack_jack_h"
1399jack_indev_extralibs="-ljack"
1400libdc1394_indev_deps="libdc1394"
38e54a75
SS
1401oss_indev_deps_any="soundcard_h sys_soundcard_h"
1402oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1403v4l_indev_deps="linux_videodev_h"
1404v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1405vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1406vfwcap_indev_extralibs="-lavicap32"
38e54a75 1407x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1408x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1409
912f3148 1410# protocols
3fff6382 1411gopher_protocol_deps="network"
c08fb000 1412http_protocol_deps="network"
279a0c97 1413http_protocol_select="tcp_protocol"
b4cf3f6c 1414mmst_protocol_deps="network"
deeb7012
MS
1415rtmp_protocol_select="tcp_protocol"
1416rtp_protocol_select="udp_protocol"
c08fb000
AB
1417tcp_protocol_deps="network"
1418udp_protocol_deps="network"
1419
f7679c54 1420# filters
81124ba0 1421movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1422avfilter_lavf_deps="avformat"
1423
1424# libraries
1425avdevice_deps="avcodec avformat"
1426avformat_deps="avcodec"
f7679c54 1427
912f3148 1428# programs
5a0f7131 1429ffmpeg_deps="avcodec avformat swscale"
21ae6790 1430ffmpeg_select="buffer_filter"
5a0f7131 1431ffplay_deps="avcodec avformat swscale sdl"
43689902 1432ffplay_select="rdft"
336ce917 1433ffprobe_deps="avcodec avformat"
5a0f7131 1434ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1435ffserver_extralibs='$ldl'
a2830dca 1436
c73f65d9 1437doc_deps="texi2html"
912f3148 1438
de6d9b64 1439# default parameters
8a608357 1440
2ba042a7 1441logfile="config.err"
8a608357
MR
1442
1443# installation paths
c9d19248
MR
1444prefix_default="/usr/local"
1445bindir_default='${prefix}/bin'
14a8acf1 1446datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1447incdir_default='${prefix}/include'
1448libdir_default='${prefix}/lib'
1449mandir_default='${prefix}/share/man'
1450shlibdir_default="$libdir_default"
8a608357
MR
1451
1452# toolchain
121d78d0 1453ar_default="ar"
13c7df3d 1454cc_default="gcc"
a3d7c197 1455cc_version=\"unknown\"
9da6609f 1456host_cc_default="gcc"
11e6d03a 1457ln_s="ln -sf"
89641463 1458nm_default="nm"
11e6d03a 1459objformat="elf"
be7109c1 1460ranlib="ranlib"
4f837398 1461strip_default="strip"
11e6d03a 1462yasmexe="yasm"
8a608357 1463
8182dc34
MR
1464nm_opts='-g'
1465
8a608357 1466# machine
8d4c00ed 1467arch_default=$(uname -m)
38d0a8aa 1468cpu="generic"
8a608357 1469
8a608357 1470# OS
8d4c00ed
MR
1471target_os_default=$(tolower $(uname -s))
1472host_os=$target_os_default
8a608357 1473
8a608357 1474# configurable options
5a0f7131
MR
1475enable avcodec
1476enable avdevice
cccc039f 1477enable avfilter
5a0f7131 1478enable avformat
dc4f5a1c 1479enable avutil
c8a4ae00 1480enable asm
497237c7 1481enable debug
c73f65d9 1482enable doc
aa033b1e 1483enable fastdiv
497237c7
RP
1484enable ffmpeg
1485enable ffplay
336ce917 1486enable ffprobe
497237c7 1487enable ffserver
497237c7
RP
1488enable mpegaudio_hp
1489enable network
8400d6b8 1490enable optimizations
497237c7 1491enable protocols
530dc538 1492enable static
87a0fb62 1493enable stripping
5a0f7131 1494enable swscale
a9ddb5b1 1495enable swscale_alpha
8a608357 1496
8a608357 1497# build settings
9987769a 1498SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1499FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1500LIBPREF="lib"
1501LIBSUF=".a"
c5f14466
RP
1502FULLNAME='$(NAME)$(BUILDSUF)'
1503LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1504SLIBPREF="lib"
1505SLIBSUF=".so"
c5f14466 1506SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1507SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1508SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1509LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1510
7e6c86e6
MR
1511CC_O='-o $@'
1512
f0125de9 1513host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1514host_libs='-lm'
1515
9b861379 1516target_path='$(CURDIR)'
a7ada2ba 1517
0d7dca36
DB
1518# gcc stupidly only outputs the basename of targets with -MM, but we need the
1519# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1520DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1521DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1522
c597172e 1523# find source path
5e622c40 1524source_path="$(dirname "$0")"
497237c7 1525enable source_path_used
24524f36 1526if test -f configure; then
5e622c40 1527 source_path="$(pwd)"
497237c7 1528 disable source_path_used
c597172e 1529else
5e622c40 1530 source_path="$(cd "$source_path"; pwd)"
c597172e 1531 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1532 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1533 test -e "$source_path/config.h" &&
1534 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1535fi
1536
13cbe2c0 1537for v in "$@"; do
b04251c5
MR
1538 r=${v#*=}
1539 l=${v%"$r"}
1540 r=$(sh_quote "$r")
13cbe2c0
MR
1541 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1542done
c597172e 1543
73ef8980
MR
1544find_things(){
1545 thing=$1
1546 pattern=$2
1547 file=$source_path/$3
932ccf39 1548 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1549}
1550
1551ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1552DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1553HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1554PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1555BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1556MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1557DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1558OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1559INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1560PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1561FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1562
8469ae22
MR
1563for n in $COMPONENT_LIST; do
1564 v=$(toupper ${n%s})_LIST
1565 eval enable \$$v
1566 eval ${n}_if_any="\$$v"
1567done
1568
1569enable $ARCH_EXT_LIST
c597172e
MR
1570
1571die_unknown(){
1572 echo "Unknown option \"$1\"."
1573 echo "See $0 --help for available options."
1574 exit 1
1575}
1576
794f8e97 1577show_list() {
bf0c4afa
RP
1578 suffix=_$1
1579 shift
2b444ea7 1580 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1581 exit 0
1582}
1583
c597172e 1584for opt do
7483e694
DB
1585 optval="${opt#*=}"
1586 case "$opt" in
0f010b2f 1587 --extra-ldflags=*) add_ldflags $optval
7483e694 1588 ;;
0f010b2f 1589 --extra-libs=*) add_extralibs $optval
7483e694 1590 ;;
8fb1cb58 1591 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1592 ;;
40bcf4c7
BL
1593 --enable-debug=*) debuglevel="$optval"
1594 ;;
36e2dea0 1595 --disable-everything)
e0e335a0 1596 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1597 ;;
7483e694 1598 --enable-*=*|--disable-*=*)
8b93ddc3 1599 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1600 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1601 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1602 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1603 $action $(filter "$name" $list)
7483e694
DB
1604 ;;
1605 --enable-?*|--disable-?*)
5e622c40 1606 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1607 if is_in $option $COMPONENT_LIST; then
fed5d54b 1608 test $action = disable && action=unset
e3773a55
MR
1609 eval $action \$$(toupper ${option%s})_LIST
1610 elif is_in $option $CMDLINE_SELECT; then
1611 $action $option
1612 else
1613 die_unknown $opt
1614 fi
7483e694
DB
1615 ;;
1616 --list-*)
1617 NAME="${opt#--list-}"
1618 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1619 NAME=${NAME%s}
1620 eval show_list $NAME \$$(toupper $NAME)_LIST
1621 ;;
1622 --help|-h) show_help
1623 ;;
1624 *)
884a36a7 1625 optname="${opt%%=*}"
26759c44
MR
1626 optname="${optname#--}"
1627 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1628 if is_in $optname $CMDLINE_SET; then
1629 eval $optname='$optval'
1630 elif is_in $optname $CMDLINE_APPEND; then
1631 append $optname "$optval"
1632 else
1633 die_unknown $opt
1634 fi
7483e694
DB
1635 ;;
1636 esac
c597172e
MR
1637done
1638
bcea99bb
MR
1639disabled logging && logfile=/dev/null
1640
13cbe2c0 1641echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1642set >> $logfile
1643
9da6609f
MR
1644test -n "$cross_prefix" && enable cross_compile
1645
8d4c00ed
MR
1646if enabled cross_compile; then
1647 test -n "$arch" && test -n "$target_os" ||
1648 die "Must specify target arch and OS when cross-compiling"
1649fi
1650
1651set_default arch target_os
1652
121d78d0 1653ar_default="${cross_prefix}${ar_default}"
11e6d03a 1654cc_default="${cross_prefix}${cc_default}"
20e0ed95 1655nm_default="${cross_prefix}${nm_default}"
adb2b908 1656ranlib="${cross_prefix}${ranlib}"
4f837398 1657strip_default="${cross_prefix}${strip_default}"
adb2b908 1658
c5200f17
MR
1659sysinclude_default="${sysroot}/usr/include"
1660
4f837398 1661set_default cc nm strip sysinclude
9da6609f
MR
1662enabled cross_compile || host_cc_default=$cc
1663set_default host_cc
13c7df3d 1664
82bb3329
MR
1665exesuf() {
1666 case $1 in
1667 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1668 esac
1669}
1670
1671EXESUF=$(exesuf $target_os)
1672HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1673
e4e69e0b 1674# set temporary file name
a49d42c2 1675: ${TMPDIR:=$TEMPDIR}
c51fafa1 1676: ${TMPDIR:=$TMP}
a49d42c2 1677: ${TMPDIR:=/tmp}
e4e69e0b 1678
54460a83
MR
1679if ! check_cmd type mktemp; then
1680 # simple replacement for missing mktemp
1681 # NOT SAFE FOR GENERAL USE
1682 mktemp(){
1683 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1684 }
1685fi
1686
1687tmpfile(){
1688 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1689 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1690 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1691 append TMPFILES $tmp
1692 eval $1=$tmp
1693}
1694
1695trap 'rm -f -- $TMPFILES' EXIT
1696trap exit HUP INT TERM
1697
1698tmpfile TMPC .c
1699tmpfile TMPE $EXESUF
1700tmpfile TMPH .h
1701tmpfile TMPO .o
1702tmpfile TMPS .S
a482e61b 1703tmpfile TMPV .ver
54460a83
MR
1704tmpfile TMPSH .sh
1705
1706unset -f mktemp
e4e69e0b 1707
993f2d0f
MR
1708# make sure we can execute files in $TMPDIR
1709cat > $TMPSH 2>> $logfile <<EOF
1710#! /bin/sh
1711EOF
1712chmod +x $TMPSH >> $logfile 2>&1
1713if ! $TMPSH >> $logfile 2>&1; then
1714 cat <<EOF
1715Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1716variable to another directory and make sure that it is not mounted noexec.
1717EOF
1718 die "Sanity test failed."
1719fi
993f2d0f 1720
19b4c628
MR
1721filter_cflags=echo
1722filter_cppflags=echo
1723filter_asflags=echo
1724
8f0c157a 1725if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1726 cc_type=gcc
a3d7c197 1727 cc_version=__VERSION__
aef6bd1b
MR
1728 if ! $cc -dumpversion | grep -q '^2\.'; then
1729 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1730 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1731 fi
14ca9cd0
MR
1732 speed_cflags='-O3'
1733 size_cflags='-Os'
629687f6
MR
1734elif $cc --version 2>/dev/null | grep -q Intel; then
1735 cc_type=icc
6e3fa35d 1736 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1737 CC_DEPFLAGS='-MMD'
1738 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1739 speed_cflags='-O3'
1740 size_cflags='-Os'
b05394a0 1741 noopt_cflags='-O1'
629687f6
MR
1742elif $cc -v 2>&1 | grep -q xlc; then
1743 cc_type=xlc
6e3fa35d 1744 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1745 speed_cflags='-O5'
1746 size_cflags='-O5 -qcompact'
df442a8d
MR
1747elif $cc -V 2>/dev/null | grep -q Compaq; then
1748 cc_type=ccc
6e3fa35d 1749 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1750 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1751 debuglevel=3
df442a8d 1752 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1753 speed_cflags='-fast'
1754 size_cflags='-O1'
6a0d5493 1755elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1756 test -d "$sysroot" || die "No valid sysroot specified."
1757 cc_type=armcc
6e3fa35d 1758 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1759 armcc_conf="$PWD/armcc.conf"
1760 $cc --arm_linux_configure \
1761 --arm_linux_config_file="$armcc_conf" \
1762 --configure_sysroot="$sysroot" \
1763 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1764 die "Error creating armcc configuration file."
1765 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1766 as_default="${cross_prefix}gcc"
07dec06e
MR
1767 CC_DEPFLAGS='-MMD'
1768 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1769 speed_cflags='-O3'
1770 size_cflags='-Os'
6fec122a
MR
1771elif $cc -version 2>/dev/null | grep -q TMS470; then
1772 cc_type=tms470
6e3fa35d 1773 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1774 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1775 CC_O='-fr=$(@D)'
1776 as_default="${cross_prefix}gcc"
1777 ld_default="${cross_prefix}gcc"
6fec122a
MR
1778 TMPO=$(basename $TMPC .c).o
1779 append TMPFILES $TMPO
1780 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1781 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1782 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1783 speed_cflags='-O3 -mf=5'
1784 size_cflags='-O3 -mf=2'
6fec122a
MR
1785 filter_cflags=tms470_flags
1786 tms470_flags(){
1787 for flag; do
1788 case $flag in
1789 -march=*|-mcpu=*)
1790 case "${flag#*=}" in
1791 armv7-a|cortex-a*) echo -mv=7a8 ;;
1792 armv7-r|cortex-r*) echo -mv=7r4 ;;
1793 armv7-m|cortex-m*) echo -mv=7m3 ;;
1794 armv6*|arm11*) echo -mv=6 ;;
1795 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1796 echo -mv=5e ;;
1797 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1798 esac
1799 ;;
1800 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1801 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1802 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1803 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1804 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1805 -g) echo -g -mn ;;
587d24ff 1806 -pds=*) echo $flag ;;
6fec122a
MR
1807 esac
1808 done
1809 }
06da6943
DC
1810elif $cc -v 2>&1 | grep -q clang; then
1811 cc_type=clang
1812 cc_version=__VERSION__
1813 CC_DEPFLAGS='-MMD'
1814 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1815 speed_cflags='-O3'
1816 size_cflags='-Os'
2a472e9c
MK
1817elif $cc -V 2>&1 | grep -q Sun; then
1818 cc_type=suncc
1819 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1820 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1821 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1822 speed_cflags='-O5'
1823 size_cflags='-O5 -xspace'
03279bbe
MK
1824 filter_cflags=suncc_flags
1825 suncc_flags(){
1826 for flag; do
1827 case $flag in
1828 -march=*|-mcpu=*)
1829 case "${flag#*=}" in
1830 native) echo -xtarget=native ;;
87ddc38b 1831 v9|niagara) echo -xarch=sparc ;;
03279bbe 1832 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 1833 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
1834 i586|pentium) echo -xchip=pentium ;;
1835 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1836 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1837 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1838 pentium4*) echo -xtarget=pentium4 ;;
1839 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1840 *-sse3) echo -xarch=sse3 ;;
1841 core2) echo -xarch=ssse3 -xchip=core2 ;;
1842 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1843 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1844 k8|opteron|athlon64|athlon-fx)
1845 echo -xarch=sse2a ;;
1846 athlon*) echo -xarch=pentium_proa ;;
1847 esac
1848 ;;
1849 -std=c99) echo -xc99 ;;
1850 -fomit-frame-pointer) echo -xregs=frameptr ;;
1851 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1852 -W*,*) echo $flag ;;
1853 -f*-*|-W*) ;;
1854 *) echo $flag ;;
1855 esac
1856 done
1857 }
629687f6
MR
1858fi
1859
1860test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1861
75bafbac 1862: ${as_default:=$cc}
50567afa 1863: ${dep_cc_default:=$cc}
684b28e0 1864: ${ld_default:=$cc}
121d78d0 1865set_default ar as dep_cc ld
75800dce 1866
07dec06e
MR
1867test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1868test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1869
7f32f40c 1870add_cflags $extra_cflags
2f2e6c7c 1871add_asflags $extra_cflags
7f32f40c 1872
154d432c
MR
1873if test -n "$sysroot"; then
1874 case "$cc_type" in
1875 gcc)
467256f2 1876 add_cppflags --sysroot="$sysroot"
154d432c
MR
1877 add_ldflags --sysroot="$sysroot"
1878 ;;
6fec122a
MR
1879 tms470)
1880 add_cppflags -I"$sysinclude"
1881 add_ldflags --sysroot="$sysroot"
1882 ;;
06da6943 1883 clang)
4def700e
DC
1884 add_cppflags -isysroot "$sysroot"
1885 add_ldflags -isysroot "$sysroot"
06da6943 1886 ;;
154d432c
MR
1887 esac
1888fi
1889
d22c13a8
MR
1890if test "$cpu" = host; then
1891 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1892
1893 case "$cc_type" in
1894 gcc)
1895 check_native(){
1896 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1897 sed -n "/$1=/{
1898 s/.*$1=\\([^ ]*\\).*/\\1/
1899 p
1900 q
1901 }" $TMPE
d22c13a8
MR
1902 }
1903 cpu=$(check_native -march || check_native -mcpu)
1904 ;;
1905 esac
1906
1907 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1908fi
1909
e939cedd
MR
1910# Deal with common $arch aliases
1911case "$arch" in
1912 arm*)
1913 arch="arm"
1914 ;;
1915 mips|mipsel|IP*)
1916 arch="mips"
1917 ;;
47b1860e 1918 mips64*)
e939cedd
MR
1919 arch="mips"
1920 subarch="mips64"
1921 ;;
1922 parisc|hppa)
1923 arch="parisc"
1924 ;;
1925 parisc64|hppa64)
1926 arch="parisc"
1927 subarch="parisc64"
1928 ;;
1929 "Power Macintosh"|ppc|powerpc)
1930 arch="ppc"
1931 ;;
47b1860e 1932 ppc64|powerpc64)
e939cedd
MR
1933 arch="ppc"
1934 subarch="ppc64"
1935 ;;
1936 s390|s390x)
1937 arch="s390"
1938 ;;
1939 sh4|sh)
1940 arch="sh4"
1941 ;;
1942 sun4u|sparc64)
1943 arch="sparc"
1944 subarch="sparc64"
1945 ;;
1946 i[3-6]86|i86pc|BePC|x86_64|amd64)
1947 arch="x86"
1948 ;;
1949esac
1950
1951is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1952enable $arch
e939cedd 1953
df5cdc24 1954# Add processor-specific flags
5d54c126
MR
1955if test "$cpu" = generic; then
1956 : do nothing
1957elif enabled ppc; then
343aef9b 1958
56348891
MR
1959 case $(tolower $cpu) in
1960 601|ppc601|powerpc601)
9dbd5c3d 1961 cpuflags="-mcpu=601"
64ad53ff 1962 disable altivec
9dbd5c3d 1963 ;;
56348891 1964 603*|ppc603*|powerpc603*)
9dbd5c3d 1965 cpuflags="-mcpu=603"
64ad53ff 1966 disable altivec
9dbd5c3d 1967 ;;
56348891 1968 604*|ppc604*|powerpc604*)
9dbd5c3d 1969 cpuflags="-mcpu=604"
64ad53ff 1970 disable altivec
9dbd5c3d 1971 ;;
56348891 1972 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1973 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1974 disable altivec
9dbd5c3d 1975 ;;
56348891 1976 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1977 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1978 ;;
56348891 1979 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1980 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1981 ;;
56348891 1982 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1983 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1984 ;;
56348891 1985 cell)
9dbd5c3d
MR
1986 cpuflags="-mcpu=cell"
1987 enable ldbrx
1988 ;;
7b0b81a1
AL
1989 e500v2)
1990 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1991 disable altivec
1992 ;;
1993 e500)
1994 cpuflags="-mcpu=8540 -mhard-float"
1995 disable altivec
1996 ;;
9dbd5c3d 1997 esac
343aef9b
MR
1998
1999elif enabled x86; then
2000
9dbd5c3d
MR
2001 case $cpu in
2002 i[345]86|pentium)
2003 cpuflags="-march=$cpu"
2004 disable mmx
2005 ;;
2006 # targets that do NOT support conditional mov (cmov)
2007 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2008 cpuflags="-march=$cpu"
2009 disable cmov
2010 ;;
2011 # targets that do support conditional mov (cmov)
2012 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2013 cpuflags="-march=$cpu"
2014 enable cmov
2015 enable fast_cmov
2016 ;;
2017 # targets that do support conditional mov but on which it's slow
2018 pentium4|pentium4m|prescott|nocona)
2019 cpuflags="-march=$cpu"
2020 enable cmov
2021 disable fast_cmov
2022 ;;
2023 esac
343aef9b
MR
2024
2025elif enabled sparc; then
2026
9dbd5c3d 2027 case $cpu in
26b7199e
MK
2028 niagara)
2029 cpuflags="-mcpu=$cpu"
2030 disable vis
2031 ;;
9dbd5c3d
MR
2032 sparc64)
2033 cpuflags="-mcpu=v9"
2034 ;;
2035 esac
343aef9b
MR
2036
2037elif enabled arm; then
2038
34ba23c9
MR
2039 case $cpu in
2040 armv*)
2041 cpuflags="-march=$cpu"
2042 ;;
2043 *)
2044 cpuflags="-mcpu=$cpu"
2045 ;;
2046 esac
343aef9b
MR
2047
2048elif enabled alpha; then
2049
34ba23c9 2050 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2051
2052elif enabled bfin; then
2053
34ba23c9 2054 cpuflags="-mcpu=$cpu"
343aef9b
MR
2055
2056elif enabled mips; then
2057
34ba23c9 2058 cpuflags="-march=$cpu"
343aef9b
MR
2059
2060elif enabled avr32; then
2061
9dbd5c3d
MR
2062 case $cpu in
2063 ap7[02]0[0-2])
2064 subarch="avr32_ap"
2065 cpuflags="-mpart=$cpu"
2066 ;;
2067 ap)
2068 subarch="avr32_ap"
2069 cpuflags="-march=$cpu"
2070 ;;
2071 uc3[ab]*)
2072 subarch="avr32_uc"
2073 cpuflags="-mcpu=$cpu"
2074 ;;
2075 uc)
2076 subarch="avr32_uc"
2077 cpuflags="-march=$cpu"
2078 ;;
2079 esac
df5cdc24 2080
343aef9b
MR
2081fi
2082
df5cdc24
MR
2083add_cflags $cpuflags
2084add_asflags $cpuflags
2085
993f2d0f
MR
2086# compiler sanity check
2087check_exec <<EOF
2088int main(void){ return 0; }
2089EOF
2090if test "$?" != 0; then
2091 echo "$cc is unable to create an executable file."
2092 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2093 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2094 echo "Only do this if you know what cross compiling means."
2095 fi
2096 die "C compiler test failed."
2097fi
2098
38a9c529 2099add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2100check_cflags -std=c99
50a334e4 2101check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2102#include <stdlib.h>
2103EOF
50a334e4 2104check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2105#include <stdlib.h>
2106EOF
e9b9a2f8 2107
f0125de9
MR
2108check_host_cflags -std=c99
2109
b24dbcbd 2110case "$arch" in
e939cedd 2111 alpha|ia64|mips|parisc|sparc)
8a3c8627 2112 spic=$shared
b24dbcbd 2113 ;;
e939cedd 2114 x86)
cfdb6148 2115 subarch="x86_32"
e939cedd 2116 check_cc <<EOF && subarch="x86_64"
58b3536d 2117 int test[(int)sizeof(char*) - 7];
cfdb6148 2118EOF
de27f4d9 2119 if test "$subarch" = "x86_64"; then
e939cedd 2120 spic=$shared
de27f4d9 2121 fi
b24dbcbd 2122 ;;
b24dbcbd
RP
2123esac
2124
343aef9b 2125enable $subarch
8a3c8627 2126enabled spic && enable pic
b24dbcbd 2127
7483e694 2128# OS specific
4f854758 2129case $target_os in
a1629e28 2130 haiku)
63ae7e7c 2131 prefix_default="/boot/common"
108caaaa 2132 network_extralibs="-lnetwork"
a1629e28 2133 ;;
7483e694
DB
2134 sunos)
2135 FFSERVERLDFLAGS=""
9987769a 2136 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2137 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2138 network_extralibs="-lsocket -lnsl"
50a334e4 2139 add_cppflags -D__EXTENSIONS__
8182dc34 2140 nm_opts='-P -g'
7483e694
DB
2141 ;;
2142 netbsd)
07a8eef6
MR
2143 oss_indev_extralibs="-lossaudio"
2144 oss_outdev_extralibs="-lossaudio"
2138dc99 2145 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2146 ;;
2147 openbsd)
89e053f8 2148 enable malloc_aligned
7c4a001a
MR
2149 # On OpenBSD 4.5. the compiler does not use PIC unless
2150 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2151 # however the generated executable will not do anything
2152 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2153 # Thus explicitly enable PIC here.
cd78208b 2154 enable pic
7483e694 2155 SHFLAGS='-shared'
07a8eef6
MR
2156 oss_indev_extralibs="-lossaudio"
2157 oss_outdev_extralibs="-lossaudio"
7483e694 2158 ;;
90b4f091 2159 freebsd|dragonfly)
89e053f8 2160 enable malloc_aligned
7483e694
DB
2161 ;;
2162 bsd/os)
2163 osextralibs="-lpoll -lgnugetopt"
2164 strip="strip -d"
2165 ;;
2166 darwin)
89e053f8 2167 enable malloc_aligned
0138c54e 2168 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2169 strip="strip -x"
2170 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2171 SLIBSUF=".dylib"
2172 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2173 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2174 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2175 objformat="macho"
1b0f6fb8 2176 enabled x86_64 && objformat="macho64"
8dfa86f7 2177 enabled_any pic shared ||
2704bd1a 2178 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2179 ;;
2180 mingw32*)
9d3f4f50 2181 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2182 disable network
2183 else
2184 target_os=mingw32
2185 fi
dcc01c06 2186 LIBTARGET=i386
1fc9fb8a 2187 if enabled x86_64; then
89e053f8 2188 enable malloc_aligned
dcc01c06 2189 LIBTARGET=x64
336cc1b0
MS
2190 elif enabled arm; then
2191 LIBTARGET=arm
dcc01c06 2192 fi
fbd971a4 2193 shlibdir_default="$bindir_default"
7483e694
DB
2194 disable ffserver
2195 SLIBPREF=""
2196 SLIBSUF=".dll"
7483e694
DB
2197 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2198 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2199 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2200 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2201 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2202 install -d "$(LIBDIR)"; \
2203 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2204 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2205 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2206 objformat="win32"
bc574408 2207 enable dos_paths
1894e741 2208 check_cflags -fno-common
b1549d61 2209 if ! enabled x86_64; then
f7ad5aa2
RP
2210 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2211 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2212 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2213 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2214 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2215 fi
7483e694
DB
2216 ;;
2217 cygwin*)
4f854758 2218 target_os=cygwin
fbd971a4 2219 shlibdir_default="$bindir_default"
7483e694
DB
2220 SLIBPREF="cyg"
2221 SLIBSUF=".dll"
2222 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2223 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2224 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2225 objformat="win32"
bc574408 2226 enable dos_paths
1894e741 2227 check_cflags -fno-common
7483e694 2228 ;;
4f365f37 2229 *-dos|freedos|opendos)
fdf11906 2230 disable ffplay ffserver
4f365f37
MK
2231 disable $INDEV_LIST $OUTDEV_LIST
2232 network_extralibs="-lsocket"
ff1c015d 2233 objformat="coff"
bc574408 2234 enable dos_paths
4f365f37 2235 ;;
7483e694 2236 linux)
7483e694
DB
2237 enable dv1394
2238 ;;
2239 irix*)
4f854758 2240 target_os=irix
7483e694
DB
2241 ranlib="echo ignoring ranlib"
2242 ;;
d22e8442 2243 os/2*)
d22e8442
DY
2244 strip="lxlite"
2245 ln_s="cp -f"
d22e8442 2246 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2247 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2248 FFSERVERLDFLAGS=""
287d3b13 2249 LIBSUF="_s.a"
d22e8442
DY
2250 SLIBPREF=""
2251 SLIBSUF=".dll"
2252 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2253 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2254 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2255 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2256 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2257 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2258 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2259 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2260 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2261 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2262 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2263 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2264 enable dos_paths
d22e8442 2265 ;;
83993c1c
AM
2266 gnu/kfreebsd)
2267 ;;
34e82167 2268 gnu)
34e82167 2269 ;;
614d8911
MR
2270 none)
2271 ;;
7483e694 2272 *)
4f924f9a 2273 die "Unknown OS '$target_os'."
7483e694
DB
2274 ;;
2275esac
2276
13cb2187
AS
2277check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2278
c9d19248
MR
2279set_default $PATHS_LIST
2280
c597172e 2281add_extralibs $osextralibs
de6d9b64 2282
28d8e661
DB
2283# Combine FFLDFLAGS and the LDFLAGS environment variable.
2284LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2285
320d060a 2286# we need to build at least one lib type
93b3c083 2287if ! enabled_any static shared; then
320d060a
DB
2288 cat <<EOF
2289At least one library type must be built.
2290Specify --enable-static to build the static libraries or --enable-shared to
2291build the shared libraries as well. To only build the shared libraries specify
2292--disable-static in addition to --enable-shared.
2293EOF
2294 exit 1;
2295fi
2296
abc4e572 2297disabled static && LIBNAME=""
2a320695 2298
a2234ceb
RP
2299if enabled_any libfaad libfaadbin ; then
2300 if check_header faad.h; then
295b8c70 2301 check_cc <<EOF
a2234ceb
RP
2302#include <faad.h>
2303#ifndef FAAD2_VERSION
2304ok faad1
2305#endif
db817cf3 2306int main(void) { return 0; }
a2234ceb
RP
2307EOF
2308 test $? = 0 && enable libfaad2
2309 else
ff3dac65 2310 die "FAAD test failed."
a2234ceb
RP
2311 fi
2312fi
2313
2314
2184c6f7 2315die_license_disabled() {
4c27207c 2316 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2317}
2318
2319die_license_disabled gpl libfaad2
2320die_license_disabled gpl libx264
2321die_license_disabled gpl libxvid
2322die_license_disabled gpl postproc
2323die_license_disabled gpl x11grab
2324
2f7ae63b 2325die_license_disabled nonfree libfaac
b2e3c528 2326
0b175caa
DB
2327die_license_disabled version3 libopencore_amrnb
2328die_license_disabled version3 libopencore_amrwb
2329
9cad0e4e 2330enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2331
9eeed841 2332check_deps $ARCH_EXT_LIST
0f3cb305 2333
40617a6d 2334disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2335
e276d9e8
MR
2336enable_pic() {
2337 enable pic
bce7b696
MR
2338 add_cppflags -DPIC
2339 add_cflags -fPIC
2340 add_asflags -fPIC
e276d9e8
MR
2341}
2342
2343enabled pic && enable_pic
bce7b696 2344
b4d96ba2
MR
2345check_cc <<EOF || die "Symbol mangling check failed."
2346int ff_extern;
2347EOF
8182dc34 2348sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2349extern_prefix=${sym%%ff_extern*}
2350
f65883c8
MR
2351check_cc <<EOF && enable inline_asm
2352void foo(void) { __asm__ volatile ("" ::); }
2353EOF
61d251db 2354
df5e3978
MR
2355_restrict=
2356for restrict_keyword in restrict __restrict__ __restrict; do
2357 check_cc <<EOF && _restrict=$restrict_keyword && break
2358void foo(char * $restrict_keyword p);
2359EOF
2360done
2361
2362check_cc <<EOF && enable attribute_packed
2363struct { int x; } __attribute__((packed)) x;
2364EOF
2365
dffb41b9
MR
2366check_cc <<EOF && enable attribute_may_alias
2367union { int x; } __attribute__((may_alias)) x;
2368EOF
2369
df5e3978
MR
2370check_cc <<EOF || die "endian test failed"
2371unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2372EOF
48fc536a 2373od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2374
e939cedd
MR
2375if enabled alpha; then
2376
2377 check_cflags -mieee
2378
2379elif enabled arm; then
e45391bb 2380
50fa82e6
MR
2381 check_cflags -marm
2382
fa0912fe
MR
2383 check_ld <<EOF && enable vfp_args
2384__asm__ (".eabi_attribute 28, 1");
2385int main(void) { return 0; }
2386EOF
2387
2388 # We have to check if pld is a nop and disable it.
2389 check_asm pld '"pld [r0]"'
2390
2391 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2392 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2393 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2394 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2395 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2396 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2397
e276d9e8
MR
2398 enabled_all armv6t2 shared !pic && enable_pic
2399
fa0912fe 2400elif enabled mips; then
e45391bb 2401
fa0912fe
MR
2402 check_asm loongson '"dmult.g $1, $2, $3"'
2403 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2404
fa0912fe 2405elif enabled ppc; then
e45391bb 2406
e6a0c354
MR
2407 enable local_aligned_8 local_aligned_16
2408
fa0912fe
MR
2409 check_asm dcbzl '"dcbzl 0, 1"'
2410 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2411 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2412
2413 # AltiVec flags: The FSF version of GCC differs from the Apple version
2414 if enabled altivec; then
2415 check_cflags -maltivec -mabi=altivec &&
2416 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2417 check_cflags -faltivec
2418
2419 # check if our compiler supports Motorola AltiVec C API
2420 check_cc <<EOF || disable altivec
2421$inc_altivec_h
2422int main(void) {
2423 vector signed int v1, v2, v3;
2424 v1 = vec_add(v2,v3);
2425 return 0;
2426}
2427EOF
2428
2429 # check if our compiler supports braces for vector declarations
2430 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2431$inc_altivec_h
2432int main (void) { (vector int) {1}; return 0; }
2433EOF
2434 fi
e45391bb 2435
fa0912fe 2436elif enabled sparc; then
e45391bb 2437
fa0912fe
MR
2438 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2439 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2440
fa0912fe 2441elif enabled x86; then
e45391bb 2442
e6a0c354
MR
2443 enable local_aligned_8 local_aligned_16
2444
44965991
PI
2445 # check whether EBP is available on x86
2446 # As 'i' is stored on the stack, this program will crash
2447 # if the base pointer is used to access it because the
2448 # base pointer is cleared in the inline assembly code.
7dfef245 2449 check_exec_crash <<EOF && enable ebp_available
44965991 2450 volatile int i=0;
be449fca 2451 __asm__ volatile (
44965991
PI
2452 "xorl %%ebp, %%ebp"
2453 ::: "%ebp");
2454 return i;
44965991
PI
2455EOF
2456
f494213c 2457 # check whether EBX is available on x86
7cee5421
MR
2458 check_asm ebx_available '""::"b"(0)' &&
2459 check_asm ebx_available '"":::"%ebx"'
8e380710 2460
d3a4b4e0
DB
2461 # check whether more than 10 operands are supported
2462 check_cc <<EOF && enable ten_operands
2463int main(void) {
2464 int x=0;
2465 __asm__ volatile(
2466 ""
2467 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2468 );
2469 return 0;
2470}
2471EOF
2472
d7f0920b 2473 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2474 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2475 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2476
2477 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2478
d52481b9 2479 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2480 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2481 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2482 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2483 case "$objformat" in
2484 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2485 esac
7595a5e4 2486 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2487
669b5583
MR
2488 case "$cpu" in
2489 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2490 disable fast_clz
2491 ;;
2492 esac
2493
44965991
PI
2494fi
2495
a98bb16d
RP
2496if check_func dlopen; then
2497 ldl=
2498elif check_func dlopen -ldl; then
2499 ldl=-ldl
8bf5d58f
MN
2500fi
2501
75ecf149
DB
2502# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2503check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2504
7483e694 2505check_func fork
84882df6 2506check_func getaddrinfo $network_extralibs
7483e694
DB
2507check_func gethrtime
2508check_func getrusage
fc5607f8 2509check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2510check_func inet_aton $network_extralibs
abfc8d05 2511check_func isatty
4ae40685 2512check_func ${malloc_prefix}memalign && enable memalign
7483e694 2513check_func mkstemp
4ae40685 2514check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2515check_func setrlimit
87958234 2516check_func strerror_r
b507ebd1 2517check_func_headers io.h setmode
e4673692 2518check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2519check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2520check_func_headers windows.h GetProcessTimes
7c5bfe7a 2521check_func_headers windows.h VirtualAlloc
6ffa87d3 2522
e16e49ac 2523check_header conio.h
a98bb16d 2524check_header dlfcn.h
92c6a099 2525check_header dxva2api.h
a98bb16d 2526check_header malloc.h
bf6ce82d 2527check_header poll.h
b58412f1 2528check_header sys/mman.h
b091aa44 2529check_header sys/resource.h
bf6ce82d 2530check_header sys/select.h
a98bb16d 2531check_header termios.h
272081b0
CEH
2532check_header vdpau/vdpau.h
2533check_header vdpau/vdpau_x11.h
68178ca9 2534check_header X11/extensions/XvMClib.h
a98bb16d 2535
9104cd51
RP
2536check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2537
89e053f8
MR
2538if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2539 enabled_any $need_memalign ; then
1f91cdce 2540 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2541fi
e16e49ac 2542
a4fa192c 2543disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2544disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2545
2546# check for some common methods of building with pthread support
2547# do this before the optional library checks as some of them require pthreads
2548if enabled pthreads; then
9e7fd101
MR
2549 if check_func pthread_create; then
2550 :
2551 elif check_func pthread_create -pthread; then
2552 add_cflags -pthread
afc9aee2 2553 add_extralibs -pthread
9e7fd101
MR
2554 elif check_func pthread_create -pthreads; then
2555 add_cflags -pthreads
afc9aee2 2556 add_extralibs -pthreads
8d94f606
GT
2557 elif check_func pthread_create -lpthreadGC2; then
2558 add_extralibs -lpthreadGC2
9e7fd101
MR
2559 elif ! check_lib pthread.h pthread_create -lpthread; then
2560 die "ERROR: can't find pthreads library"
2561 fi
57bd82d4
MR
2562fi
2563
8eee7025 2564for thread in $THREADS_LIST; do
e5f94c2b 2565 if enabled $thread; then
3ae3b721
RP
2566 test -n "$thread_type" &&
2567 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2568 thread_type="$thread"
e5f94c2b
RP
2569 fi
2570done
2571
fdf88598 2572check_lib math.h sin -lm
edd43c95 2573disabled vaapi || check_lib va/va.h vaInitialize -lva
fdf88598 2574
645d2652
MR
2575check_mathfunc exp2
2576check_mathfunc exp2f
2577check_mathfunc llrint
07876e25 2578check_mathfunc llrintf
645d2652
MR
2579check_mathfunc log2
2580check_mathfunc log2f
2581check_mathfunc lrint
2582check_mathfunc lrintf
2583check_mathfunc round
2584check_mathfunc roundf
2585check_mathfunc truncf
f32adb22 2586
57bd82d4 2587# these are off by default, so fail if requested and not available
a1b3c5a3 2588enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2589enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2590 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2591 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2592enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2593enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
5af41508 2594enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2595enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2596enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2597enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2598enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2599enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3a9bc39e 2600enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
36718e51
DB
2601enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2602 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2603enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2604enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2605enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
ee0e9146
JZ
2606enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2607 require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
60877ad9 2608enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
652d9d24
JGG
2609 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2610 die "ERROR: libx264 version must be >= 0.98."; }
2bfecf73 2611enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2612enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2613
0b4a1821
AS
2614# libdc1394 check
2615if enabled libdc1394; then
2616 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2617 enable libdc1394_2; } ||
2618 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2619 enable libdc1394_1; } ||
2620 die "ERROR: No version of libdc1394 found "
2621fi
2622
6a1a892f 2623SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2624if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2625 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2626 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2627 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2628 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2629 enable sdl &&
2630 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2631fi
57bd82d4 2632
2270b4b2 2633texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2634
73b46a95 2635if enabled network; then
96000432 2636 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2637 check_type netdb.h "struct addrinfo"
b4d68544
MS
2638 check_type netinet/in.h "struct ipv6_mreq"
2639 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2640 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2641 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2642 # Prefer arpa/inet.h over winsock2
2643 if check_header arpa/inet.h ; then
2644 check_func closesocket
2645 elif check_header winsock2.h ; then
f4c13872
MS
2646 check_func_headers winsock2.h closesocket -lws2 && \
2647 network_extralibs="-lws2" || \
2648 { check_func_headers winsock2.h closesocket -lws2_32 && \
2649 network_extralibs="-lws2_32"; }
72be9e73 2650 check_type ws2tcpip.h socklen_t
c0018613 2651 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2652 check_type ws2tcpip.h "struct ipv6_mreq"
2653 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2654 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2655 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2656 else
2657 disable network
73b46a95
RP
2658 fi
2659fi
2660
06e31011
RP
2661check_header linux/videodev.h
2662check_header linux/videodev2.h
1b6e8b73 2663check_header sys/videoio.h
47f38850 2664
27796dc3 2665check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2666
f8aa696f 2667# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2668{ check_header dev/bktr/ioctl_meteor.h &&
2669 check_header dev/bktr/ioctl_bt848.h; } ||
2670{ check_header machine/ioctl_meteor.h &&
2671 check_header machine/ioctl_bt848.h; } ||
2672{ check_header dev/video/meteor/ioctl_meteor.h &&
2673 check_header dev/video/bktr/ioctl_bt848.h; } ||
2674check_header dev/ic/bt8xx.h
f8aa696f 2675
c7682de0
RP
2676check_header sys/soundcard.h
2677check_header soundcard.h
deb29777 2678
b6f3d925 2679enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2680
0e57fe17 2681enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2682
56a059ac 2683enabled x11grab &&
f58f4ce1
GP
2684check_header X11/Xlib.h &&
2685check_header X11/extensions/XShm.h &&
0a045661 2686check_header X11/extensions/Xfixes.h &&
f58f4ce1 2687check_func XOpenDisplay -lX11 &&
781c1aa6
R
2688check_func XShmCreateImage -lX11 -lXext &&
2689check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2690
598ef02b 2691if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2692check_cpp_condition \
2693 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2694 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2695 disable vdpau; }
abf649c7 2696fi
deda2a4a 2697
95e561ec 2698enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2699
2700# add some useful compiler flags if supported
2701check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2702check_cflags -Wall
2703check_cflags -Wno-switch
c07bd6a9
MN
2704check_cflags -Wdisabled-optimization
2705check_cflags -Wpointer-arith
2706check_cflags -Wredundant-decls
cc1fb623 2707check_cflags -Wno-pointer-sign
f4929996 2708check_cflags -Wcast-qual
9aceb3cf 2709check_cflags -Wwrite-strings
652a5bf6 2710check_cflags -Wtype-limits
764551c6 2711check_cflags -Wundef
fc298fd9 2712check_cflags -Wmissing-prototypes
5af4e0cc 2713enabled extra_warnings && check_cflags -Winline
cf9d24ad 2714
57bd82d4 2715# add some linker flags
5c0e9479 2716check_ldflags -Wl,--warn-common
8351d2ba
DB
2717check_ldflags -Wl,--as-needed
2718check_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 2719check_ldflags -Wl,-Bsymbolic
94a3401e 2720
a482e61b 2721echo "X{};" > $TMPV
b462d132 2722if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 2723 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
2724 check_cc <<EOF && enable symver_asm_label
2725void ff_foo(void) __asm__ ("av_foo@VERSION");
2726void ff_foo(void) {}
2727EOF
2728 check_cc <<EOF && enable symver_gnu_asm
2729__asm__(".symver ff_foo,av_foo@VERSION");
2730void ff_foo(void) {}
2731EOF
2732fi
a482e61b 2733
bd2216e4 2734if enabled small; then
14ca9cd0 2735 add_cflags $size_cflags
8400d6b8
DB
2736 optimizations="small"
2737elif enabled optimizations; then
14ca9cd0 2738 add_cflags $speed_cflags
b05394a0
MR
2739else
2740 add_cflags $noopt_cflags
cddf3f45 2741fi
11fdbc44 2742check_cflags -fno-math-errno
b2eb2ff0 2743check_cflags -fno-signed-zeros
cddf3f45 2744
629687f6 2745if enabled icc; then
b1598b58
MR
2746 # Just warnings, no remarks
2747 check_cflags -w1
2748 # -wd: Disable following warnings
2749 # 144, 167, 556: -Wno-pointer-sign
2750 # 10006: ignoring unknown option -fno-signed-zeros
2751 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2752 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2753 # 11030: Warning unknown option --as-needed
2754 # 10156: ignoring option '-export'; no argument required
2755 check_ldflags -wd10156,11030
2756 # Allow to compile with optimizations
2757 check_ldflags -march=$cpu
be2cf98a
CEH
2758 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2759 enable ebp_available
df442a8d
MR
2760elif enabled ccc; then
2761 # disable some annoying warnings
2762 add_cflags -msg_disable cvtu32to64
2763 add_cflags -msg_disable embedcomment
2764 add_cflags -msg_disable needconstext
2765 add_cflags -msg_disable nomainieee
2766 add_cflags -msg_disable ptrmismatch1
2767 add_cflags -msg_disable unreachcode
973859f5
MR
2768elif enabled gcc; then
2769 check_cflags -fno-tree-vectorize
62df111c 2770 check_cflags -Werror=implicit
de63bfec 2771 check_cflags -Werror=missing-prototypes
06da6943
DC
2772elif enabled clang; then
2773 check_cflags -Qunused-arguments
138132be
MR
2774elif enabled armcc; then
2775 # 2523: use of inline assembler is deprecated
2776 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2777 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2778elif enabled tms470; then
2779 add_cflags -pds=824 -pds=837
504a64b9
CEH
2780fi
2781
90be59ef 2782if enabled gprof; then
0f010b2f
DB
2783 add_cflags -p
2784 add_ldflags -p
1db54e20
DB
2785fi
2786
7483e694
DB
2787enabled_any $THREADS_LIST && enable threads
2788
2789check_deps $CONFIG_LIST \
b6bb00b0 2790 $CONFIG_EXTRA \
7483e694
DB
2791 $HAVE_LIST \
2792 $DECODER_LIST \
2793 $ENCODER_LIST \
5666fd73 2794 $HWACCEL_LIST \
7483e694
DB
2795 $PARSER_LIST \
2796 $BSF_LIST \
2797 $DEMUXER_LIST \
2798 $MUXER_LIST \
f7679c54 2799 $FILTER_LIST \
7483e694
DB
2800 $INDEV_LIST \
2801 $OUTDEV_LIST \
2802 $PROTOCOL_LIST \
f70f03f6 2803
3bfd582c 2804enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 2805
3e89171a 2806echo "install prefix $prefix"
f36958f8
DB
2807echo "source path $source_path"
2808echo "C compiler $cc"
f36958f8 2809echo "ARCH $arch ($cpu)"
ce8871c2
MR
2810if test "$build_suffix" != ""; then
2811 echo "build suffix $build_suffix"
eb94aca9 2812fi
ac63af34
DB
2813if test "$extra_version" != ""; then
2814 echo "version string suffix $extra_version"
2815fi
0db2ce77 2816echo "big-endian ${bigendian-no}"
e90f5b5a 2817echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2818if enabled x86; then
af44e8e4 2819 echo "yasm ${yasm-no}"
0db2ce77 2820 echo "MMX enabled ${mmx-no}"
30e98e62 2821 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2822 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2823 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2824 echo "SSE enabled ${sse-no}"
30e98e62 2825 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2826 echo "CMOV enabled ${cmov-no}"
2827 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2828 echo "EBX available ${ebx_available-no}"
2829 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2830 echo "10 operands supported ${ten_operands-no}"
e41e8342 2831fi
5b6c2cbd 2832if enabled arm; then
0db2ce77
MR
2833 echo "ARMv5TE enabled ${armv5te-no}"
2834 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2835 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2836 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2837 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2838 echo "NEON enabled ${neon-no}"
eba9ae3c 2839fi
5b6c2cbd 2840if enabled mips; then
0db2ce77 2841 echo "MMI enabled ${mmi-no}"
e41e8342 2842fi
5b6c2cbd 2843if enabled ppc; then
0db2ce77 2844 echo "AltiVec enabled ${altivec-no}"
30e98e62 2845 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2846 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2847 echo "performance report ${powerpc_perf-no}"
2848fi
2849if enabled sparc; then
2850 echo "VIS enabled ${vis-no}"
e41e8342 2851fi
0db2ce77
MR
2852echo "gprof enabled ${gprof-no}"
2853echo "debug symbols ${debug-no}"
87a0fb62 2854echo "strip symbols ${stripping-no}"
8400d6b8 2855echo "optimizations ${optimizations-no}"
0db2ce77
MR
2856echo "static ${static-no}"
2857echo "shared ${shared-no}"
4a24ab64 2858echo "postprocessing support ${postproc-no}"
f7679c54 2859echo "new filter support ${avfilter-no}"
81124ba0 2860echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2861echo "network support ${network-no}"
0db2ce77
MR
2862echo "threading support ${thread_type-no}"
2863echo "SDL support ${sdl-no}"
0db2ce77
MR
2864echo "Sun medialib support ${mlib-no}"
2865echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2866echo "libdc1394 support ${libdc1394-no}"
690bfceb 2867echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2868echo "libfaac enabled ${libfaac-no}"
2869echo "libfaad enabled ${libfaad-no}"
7e0871a7 2870echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2871echo "libgsm enabled ${libgsm-no}"
2872echo "libmp3lame enabled ${libmp3lame-no}"
2873echo "libnut enabled ${libnut-no}"
0b175caa
DB
2874echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2875echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2876echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2877echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2878echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2879echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2880echo "libtheora enabled ${libtheora-no}"
2881echo "libvorbis enabled ${libvorbis-no}"
8299a7f8 2882echo "libvpx enabled ${libvpx-no}"
d6bd62db
DB
2883echo "libx264 enabled ${libx264-no}"
2884echo "libxvid enabled ${libxvid-no}"
0db2ce77 2885echo "zlib enabled ${zlib-no}"
f402916e 2886echo "bzlib enabled ${bzlib-no}"
2c62e737 2887echo
de6d9b64 2888
5666fd73 2889for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2890 echo "Enabled ${type}s:"
f65c9da1 2891 eval list=\$$(toupper $type)_LIST
8138b9db 2892 for part in $list; do
f65c9da1
MR
2893 enabled $part && echo ${part%_*}
2894 done | sort | pr -3 -t
2895 echo
8138b9db
RP
2896done
2897
ba7a7039 2898license="LGPL version 2.1 or later"
ba321adb 2899if enabled nonfree; then
ba7a7039 2900 license="nonfree and unredistributable"
9cad0e4e
DB
2901elif enabled gplv3; then
2902 license="GPL version 3 or later"
2903elif enabled lgplv3; then
2904 license="LGPL version 3 or later"
ba321adb 2905elif enabled gpl; then
ba7a7039 2906 license="GPL version 2 or later"
ba321adb
JK
2907fi
2908
2909echo "License: $license"
ca5323af 2910
cf1392e9
DB
2911echo "Creating config.mak and config.h..."
2912
df642790
MR
2913# build tree in object directory if source path is different from current one
2914if enabled source_path_used; then
2915 DIRS="
2916 doc
2917 libavcodec
2918 libavcodec/$arch
2919 libavdevice
2920 libavfilter
2921 libavformat
2922 libavutil
2923 libavutil/$arch
2924 libpostproc
2925 libswscale
2926 libswscale/$arch
2927 tests
2928 tools
2929 "
2930 FILES="
2931 Makefile
2932 common.mak
2933 subdir.mak
2934 doc/texi2pod.pl
2935 libavcodec/Makefile
43f60eba 2936 libavcodec/${arch}/Makefile
df642790
MR
2937 libavdevice/Makefile
2938 libavfilter/Makefile
2939 libavformat/Makefile
2940 libavutil/Makefile
2941 libpostproc/Makefile
2942 libswscale/Makefile
2943 "
e0e335a0 2944 map 'mkdir -p $v' $DIRS;
43f60eba 2945 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2946fi
2947
ad212cc6
MR
2948enabled stripping || strip="echo skipping strip"
2949
173c983b
MR
2950cat > config.mak <<EOF
2951# Automatically generated by configure - do not modify!
2952ifndef FFMPEG_CONFIG_MAK
2953FFMPEG_CONFIG_MAK=1
2954FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2955prefix=$prefix
2956LIBDIR=\$(DESTDIR)$libdir
2957SHLIBDIR=\$(DESTDIR)$shlibdir
2958INCDIR=\$(DESTDIR)$incdir
2959BINDIR=\$(DESTDIR)$bindir
2960DATADIR=\$(DESTDIR)$datadir
2961MANDIR=\$(DESTDIR)$mandir
2962SRC_PATH="$source_path"
2963SRC_PATH_BARE=$source_path
2964BUILD_ROOT="$PWD"
2965ARCH=$arch
2966CC=$cc
2967AS=$as
2968LD=$ld
2969DEPCC=$dep_cc
2970YASM=$yasmexe
a4aea515 2971YASMDEP=$yasmexe
173c983b
MR
2972AR=$ar
2973RANLIB=$ranlib
4335125c 2974CP=cp -p
173c983b
MR
2975LN_S=$ln_s
2976STRIP=$strip
2977CPPFLAGS=$CPPFLAGS
2978CFLAGS=$CFLAGS
2979ASFLAGS=$ASFLAGS
2980CC_O=$CC_O
2981LDFLAGS=$LDFLAGS
2982FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2983SHFLAGS=$SHFLAGS
2984YASMFLAGS=$YASMFLAGS
2985BUILDSUF=$build_suffix
2986FULLNAME=$FULLNAME
2987LIBPREF=$LIBPREF
2988LIBSUF=$LIBSUF
2989LIBNAME=$LIBNAME
2990SLIBPREF=$SLIBPREF
2991SLIBSUF=$SLIBSUF
2992EXESUF=$EXESUF
2993EXTRA_VERSION=$extra_version
2994DEPFLAGS=$DEPFLAGS
2995CCDEP=$CCDEP
2996ASDEP=$ASDEP
2997CC_DEPFLAGS=$CC_DEPFLAGS
2998AS_DEPFLAGS=$AS_DEPFLAGS
2999HOSTCC=$host_cc
3000HOSTCFLAGS=$host_cflags
3001HOSTEXESUF=$HOSTEXESUF
3002HOSTLDFLAGS=$host_ldflags
3003HOSTLIBS=$host_libs
3004TARGET_EXEC=$target_exec
3005TARGET_PATH=$target_path
3006SDL_LIBS=$sdl_libs
3007SDL_CFLAGS=$sdl_cflags
3008LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3009EXTRALIBS=$extralibs
fd676deb 3010INSTALL=install
1afc4750
MR
3011LIBTARGET=${LIBTARGET}
3012SLIBNAME=${SLIBNAME}
3013SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3014SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3015SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3016SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3017SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3018SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 3019SAMPLES=$samples
173c983b 3020EOF
5a872801 3021
719c8e00
MR
3022get_version(){
3023 name=$1
3024 file=$source_path/$2
147e7692
MR
3025 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3026 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3027 lcname=$(tolower $name)
3028 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3029 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3030}
3031
147e7692
MR
3032get_version LIBSWSCALE libswscale/swscale.h
3033get_version LIBPOSTPROC libpostproc/postprocess.h
3034get_version LIBAVCODEC libavcodec/avcodec.h
3035get_version LIBAVDEVICE libavdevice/avdevice.h
3036get_version LIBAVFORMAT libavformat/avformat.h
3037get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3038get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3039
173c983b
MR
3040cat > $TMPH <<EOF
3041/* Automatically generated by configure - do not modify! */
3042#ifndef FFMPEG_CONFIG_H
3043#define FFMPEG_CONFIG_H
3044#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3045#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3046#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3047#define CC_TYPE "$cc_type"
3048#define CC_VERSION $cc_version
3049#define restrict $_restrict
42719e20 3050#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
173c983b
MR
3051#define EXTERN_PREFIX "${extern_prefix}"
3052#define EXTERN_ASM ${extern_prefix}
3053EOF
523ef551 3054
4ae40685
MR
3055test -n "$malloc_prefix" &&
3056 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3057
523ef551 3058if enabled small || disabled optimizations; then
9a894c48 3059 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3060 echo "#define av_always_inline" >> $TMPH
3061fi
3062
3d907e22
MR
3063print_config ARCH_ $TMPH config.mak $ARCH_LIST
3064print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3065print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3066 $CONFIG_EXTRA \
7483e694
DB
3067 $DECODER_LIST \
3068 $ENCODER_LIST \
5666fd73 3069 $HWACCEL_LIST \
7483e694
DB
3070 $PARSER_LIST \
3071 $BSF_LIST \
3072 $DEMUXER_LIST \
3073 $MUXER_LIST \
f7679c54 3074 $FILTER_LIST \
7483e694
DB
3075 $PROTOCOL_LIST \
3076 $INDEV_LIST \
3077 $OUTDEV_LIST \
8ac17293 3078
9c05103f 3079echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3080echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3081
b7860763 3082# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3083cp_if_changed $TMPH config.h
3d204385 3084
a3e02a8c
MR
3085cat > $TMPH <<EOF
3086/* Generated by ffconf */
3087#ifndef AVUTIL_AVCONFIG_H
3088#define AVUTIL_AVCONFIG_H
3089EOF
3090
3091print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3092
3093echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3094
3095cp_if_changed $TMPH libavutil/avconfig.h
3096
d0674868 3097# build pkg-config files
def4272a 3098
d0674868
DB
3099pkgconfig_generate(){
3100name=$1
b0dfd108 3101shortname=${name#lib}${build_suffix}
d0674868
DB
3102comment=$2
3103version=$3
3104libs=$4
3105requires=$5
25cd5cb3 3106cat <<EOF > $name/$name.pc
3e89171a 3107prefix=$prefix
a94e666c 3108exec_prefix=\${prefix}
f2b7382c 3109libdir=$libdir
7622778e 3110includedir=$incdir
def4272a 3111
d0674868
DB
3112Name: $name
3113Description: $comment
3114Version: $version
8cd6b388 3115Requires: $(enabled shared || echo $requires)
5dcfe9f8 3116Requires.private: $(enabled shared && echo $requires)
def4272a 3117Conflicts:
8cd6b388 3118Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3119Libs.private: $(enabled shared && echo $libs)
76a448ed 3120Cflags: -I\${includedir}
def4272a 3121EOF
25cd5cb3 3122cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3123prefix=
3124exec_prefix=
46d1ff83 3125libdir=\${pcfiledir}
1d44d365 3126includedir=${source_path}
def4272a 3127
d0674868
DB
3128Name: $name
3129Description: $comment
3130Version: $version
3131Requires: $requires
def4272a 3132Conflicts:
12701f6e 3133Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3134Cflags: -I\${includedir}
3135EOF
d0674868 3136}
def4272a 3137
e426941d 3138pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3139pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3140pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3141pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3142enabled avfilter &&
46983309 3143 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3144enabled postproc &&
e426941d 3145 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3146pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"