configure: simplify vdpau dependencies
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
f57620d5
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
c21d6325
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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54 exit 1
55fi
56
74c53c2d 57show_help(){
06454877
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58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
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
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91 --enable-postproc enable GPLed postprocessing support [no]
92 --enable-avfilter video filter support [no]
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
118 --enable-beos-netserver enable BeOS netserver
bb55e3a3 119 --disable-everything disable all components listed below
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120 --disable-encoder=NAME disable encoder NAME
121 --enable-encoder=NAME enable encoder NAME
122 --disable-encoders disable all encoders
123 --disable-decoder=NAME disable decoder NAME
124 --enable-decoder=NAME enable decoder NAME
125 --disable-decoders disable all decoders
126 --disable-hwaccel=NAME disable hwaccel NAME
127 --enable-hwaccel=NAME enable hwaccel NAME
128 --disable-hwaccels disable all hwaccels
129 --disable-muxer=NAME disable muxer NAME
130 --enable-muxer=NAME enable muxer NAME
131 --disable-muxers disable all muxers
132 --disable-demuxer=NAME disable demuxer NAME
133 --enable-demuxer=NAME enable demuxer NAME
134 --disable-demuxers disable all demuxers
135 --enable-parser=NAME enable parser NAME
136 --disable-parser=NAME disable parser NAME
137 --disable-parsers disable all parsers
138 --enable-bsf=NAME enable bitstream filter NAME
139 --disable-bsf=NAME disable bitstream filter NAME
140 --disable-bsfs disable all bitstream filters
141 --enable-protocol=NAME enable protocol NAME
142 --disable-protocol=NAME disable protocol NAME
143 --disable-protocols disable all protocols
144 --disable-indev=NAME disable input device NAME
145 --disable-outdev=NAME disable output device NAME
146 --disable-indevs disable input devices
147 --disable-outdevs disable output devices
148 --disable-devices disable all devices
149 --enable-filter=NAME enable filter NAME
150 --disable-filter=NAME disable filter NAME
151 --disable-filters disable all filters
152 --list-decoders show all available decoders
153 --list-encoders show all available encoders
154 --list-hwaccels show all available hardware accelerators
155 --list-muxers show all available muxers
156 --list-demuxers show all available demuxers
157 --list-parsers show all available parsers
158 --list-protocols show all available protocols
159 --list-bsfs show all available bitstream filters
160 --list-indevs show all available input devices
161 --list-outdevs show all available output devices
162 --list-filters show all available filters
163
164External library support:
165 --enable-avisynth enable reading of AVISynth script files [no]
166 --enable-bzlib enable bzlib [autodetect]
167 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
168 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
169 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
170 and libraw1394 [no]
171 --enable-libdirac enable Dirac support via libdirac [no]
172 --enable-libfaac enable FAAC support via libfaac [no]
173 --enable-libfaad enable FAAD support via libfaad [no]
174 --enable-libfaadbin open libfaad.so.0 at runtime [no]
175 --enable-libgsm enable GSM support via libgsm [no]
176 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
177 --enable-libnut enable NUT (de)muxing via libnut,
178 native (de)muxer exists [no]
179 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
0f943ce6 180 --enable-librtmp enable RTMP[E] support via librtmp [no]
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181 --enable-libschroedinger enable Dirac support via libschroedinger [no]
182 --enable-libspeex enable Speex decoding via libspeex [no]
183 --enable-libtheora enable Theora encoding via libtheora [no]
184 --enable-libvorbis enable Vorbis encoding via libvorbis,
185 native implementation exists [no]
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
202 --as=AS use assembler AS [$as_default]
203 --cc=CC use C compiler CC [$cc_default]
204 --ld=LD use linker LD
205 --host-cc=HOSTCC use host C compiler HOSTCC
206 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
207 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
208 --host-libs=HLIBS use libs HLIBS when linking for host
209 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
210 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
211 --extra-libs=ELIBS add ELIBS [$ELIBS]
212 --extra-version=STRING version string suffix []
213 --build-suffix=SUFFIX library name suffix []
214 --arch=ARCH select architecture [$arch]
215 --cpu=CPU select the minimum required CPU (affects
216 instruction selection, may crash on older CPUs)
217 --enable-powerpc-perf enable performance report on PPC
218 (requires enabling PMC)
c8a4ae00 219 --disable-asm disable all assembler optimizations
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220 --disable-altivec disable AltiVec optimizations
221 --disable-amd3dnow disable 3DNow! optimizations
222 --disable-amd3dnowext disable 3DNow! extended optimizations
223 --disable-mmx disable MMX optimizations
224 --disable-mmx2 disable MMX2 optimizations
225 --disable-sse disable SSE optimizations
226 --disable-ssse3 disable SSSE3 optimizations
227 --disable-armv5te disable armv5te optimizations
228 --disable-armv6 disable armv6 optimizations
229 --disable-armv6t2 disable armv6t2 optimizations
230 --disable-armvfp disable ARM VFP optimizations
231 --disable-iwmmxt disable iwmmxt optimizations
232 --disable-mmi disable MMI optimizations
233 --disable-neon disable neon optimizations
234 --disable-vis disable VIS optimizations
235 --disable-yasm disable use of yasm assembler
236 --enable-pic build position-independent code
4ae40685 237 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 238 --enable-sram allow use of on-chip SRAM
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239
240Developer options (useful when working on FFmpeg itself):
241 --disable-debug disable debugging symbols
242 --enable-debug=LEVEL set the debug level [$debuglevel]
243 --enable-gprof enable profiling with gprof [$gprof]
244 --disable-optimizations disable compiler optimizations
245 --enable-extra-warnings enable more compiler warnings
246 --disable-stripping disable stripping of executables and shared libraries
2fad0977 247 --samples=PATH location of test samples for FATE
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248
249NOTE: Object files are built at the place where configure is launched.
250EOF
60e8bc13 251 exit 0
74c53c2d 252}
cf9d24ad 253
57bd82d4 254log(){
2270b4b2 255 echo "$@" >> $logfile
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256}
257
720c69da 258log_file(){
c8e9f801 259 log BEGIN $1
2270b4b2 260 pr -n -t $1 >> $logfile
c8e9f801
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261 log END $1
262}
263
2ba042a7 264echolog(){
c8e9f801 265 log "$@"
57bd82d4 266 echo "$@"
2ba042a7
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267}
268
269die(){
270 echolog "$@"
271 cat <<EOF
d326cf7f 272
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273If you think configure made a mistake, make sure you are using the latest
274version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 275ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 276EOF
e155a21a 277 if disabled logging; then
2ba042a7 278 cat <<EOF
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279Rerun configure with logging enabled (do not use --disable-logging), and
280include the log this produces with your report.
2ba042a7
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281EOF
282 else
283cat <<EOF
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284Include the log file "$logfile" produced by configure as this will help
285solving the problem.
2ba042a7
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286EOF
287 fi
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288 exit 1
289}
290
6c6007d6 291# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 292toupper(){
6c6007d6 293 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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294}
295
4a5444db 296tolower(){
6c6007d6 297 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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298}
299
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300c_escape(){
301 echo "$*" | sed 's/["\\]/\\\0/g'
302}
303
b04251c5
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304sh_quote(){
305 v=$(echo "$1" | sed "s/'/'\\\\''/g")
306 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
307 echo "$v"
308}
309
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310filter(){
311 pat=$1
312 shift
313 for v; do
98ef6079 314 eval "case $v in $pat) echo $v ;; esac"
be8f2501
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315 done
316}
317
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318map(){
319 m=$1
320 shift
e0e335a0 321 for v; do eval $m; done
36e2dea0
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322}
323
a8d04fba
MR
324set_all(){
325 value=$1
326 shift
327 for var in $*; do
328 eval $var=$value
329 done
330}
331
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332set_weak(){
333 value=$1
334 shift
335 for var; do
336 eval : \${$var:=$value}
337 done
338}
339
799c9e9b
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340pushvar(){
341 for var in $*; do
342 eval level=\${${var}_level:=0}
343 eval ${var}_${level}="\$$var"
344 eval ${var}_level=$(($level+1))
345 done
346}
347
348popvar(){
349 for var in $*; do
350 eval level=\${${var}_level:-0}
351 test $level = 0 && continue
352 eval level=$(($level-1))
353 eval $var="\${${var}_${level}}"
354 eval ${var}_level=$level
355 eval unset ${var}_${level}
356 done
357}
358
a8d04fba
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359enable(){
360 set_all yes $*
361}
362
363disable(){
364 set_all no $*
365}
366
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367enable_weak(){
368 set_weak yes $*
369}
370
371disable_weak(){
372 set_weak no $*
373}
374
72702705 375enable_safe(){
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MR
376 for var; do
377 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
378 done
72702705
MR
379}
380
381disable_safe(){
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382 for var; do
383 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
384 done
72702705
MR
385}
386
f9d328da
MR
387do_enable_deep(){
388 for var; do
389 enabled $var && continue
390 eval sel="\$${var}_select"
c510c7b5
MR
391 eval sgs="\$${var}_suggest"
392 pushvar var sgs
f9d328da 393 enable_deep $sel
c510c7b5
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394 popvar sgs
395 enable_deep_weak $sgs
f9d328da
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396 popvar var
397 done
398}
399
400enable_deep(){
401 do_enable_deep $*
402 enable $*
403}
404
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405enable_deep_weak(){
406 do_enable_deep $*
407 enable_weak $*
408}
409
57bd82d4 410enabled(){
3250003c
MR
411 test "${1#!}" = "$1" && op== || op=!=
412 eval test "x\$${1#!}" $op "xyes"
44161118
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413}
414
37970ebf 415disabled(){
3250003c
MR
416 test "${1#!}" = "$1" && op== || op=!=
417 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
418}
419
44161118
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420enabled_all(){
421 for opt; do
422 enabled $opt || return 1
423 done
424}
425
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426disabled_all(){
427 for opt; do
428 disabled $opt || return 1
429 done
430}
431
44161118
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432enabled_any(){
433 for opt; do
434 enabled $opt && return 0
435 done
436}
437
85bca2c5
DB
438disabled_any(){
439 for opt; do
440 disabled $opt && return 0
441 done
f7b230a7 442 return 1
85bca2c5
DB
443}
444
c9d19248
MR
445set_default(){
446 for opt; do
88268e94 447 eval : \${$opt:=\$${opt}_default}
c9d19248
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448 done
449}
450
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AJ
451is_in(){
452 value=$1
453 shift
454 for var in $*; do
455 [ $var = $value ] && return 0
456 done
457 return 1
458}
459
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460check_deps(){
461 for cfg; do
3250003c 462 cfg="${cfg#!}"
799c9e9b
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463 enabled ${cfg}_checking && die "Circular dependency for $cfg."
464 disabled ${cfg}_checking && continue
465 enable ${cfg}_checking
466
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467 eval dep_all="\$${cfg}_deps"
468 eval dep_any="\$${cfg}_deps_any"
7ef3425f 469 eval dep_sel="\$${cfg}_select"
c510c7b5 470 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
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471 eval dep_ifa="\$${cfg}_if"
472 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 473
3d7453e0
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474 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
475 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
476 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 477
3d7453e0
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478 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
479 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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480 enabled_all $dep_all || disable $cfg
481 enabled_any $dep_any || disable $cfg
7ef3425f 482 disabled_any $dep_sel && disable $cfg
799c9e9b 483
4ec45764
RP
484 if enabled $cfg; then
485 eval dep_extralibs="\$${cfg}_extralibs"
486 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 487 enable_deep $dep_sel
c510c7b5 488 enable_deep_weak $dep_sgs
4ec45764
RP
489 fi
490
799c9e9b 491 disable ${cfg}_checking
30fd06be
MR
492 done
493}
494
44161118
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495print_config(){
496 pfx=$1
497 header=$2
498 makefile=$3
499 shift 3
500 for cfg; do
5e622c40 501 ucname="$(toupper $cfg)"
44161118 502 if enabled $cfg; then
3d907e22 503 echo "#define ${pfx}${ucname} 1" >> $header
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MR
504 echo "${pfx}${ucname}=yes" >> $makefile
505 else
b250f9c6 506 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 507 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
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508 fi
509 done
57bd82d4
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510}
511
512flags_saved(){
2270b4b2 513 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
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514}
515
dcd479c0 516save_flags(){
57bd82d4 517 flags_saved && return
dcd479c0
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518 SAVE_CFLAGS="$CFLAGS"
519 SAVE_LDFLAGS="$LDFLAGS"
520 SAVE_extralibs="$extralibs"
521}
522
523restore_flags(){
f5d28d10 524 flags_saved || return
dcd479c0
MR
525 CFLAGS="$SAVE_CFLAGS"
526 LDFLAGS="$SAVE_LDFLAGS"
527 extralibs="$SAVE_extralibs"
528 unset SAVE_CFLAGS
529 unset SAVE_LDFLAGS
530 unset SAVE_extralibs
531}
532
533temp_cflags(){
534 save_flags
535 CFLAGS="$CFLAGS $*"
536}
537
538temp_ldflags(){
539 save_flags
540 LDFLAGS="$LDFLAGS $*"
541}
542
543temp_extralibs(){
544 save_flags
545 extralibs="$extralibs $*"
546}
547
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548append(){
549 var=$1
550 shift
551 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
552 eval "$var=\"\$$var $*\""
553}
554
50a334e4 555add_cppflags(){
caf458dd 556 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
557}
558
57bd82d4 559add_cflags(){
caf458dd 560 append CFLAGS $($filter_cflags "$@")
57bd82d4
MR
561}
562
2f2e6c7c 563add_asflags(){
caf458dd 564 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
MR
565}
566
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567add_ldflags(){
568 append LDFLAGS "$@"
569}
570
571add_extralibs(){
572 append extralibs "$@"
573}
574
b0cfb663 575check_cmd(){
b3cb5d51 576 log "$@"
2270b4b2 577 "$@" >> $logfile 2>&1
b0cfb663
MR
578}
579
dcd479c0 580check_cc(){
57bd82d4 581 log check_cc "$@"
2270b4b2 582 cat > $TMPC
720c69da 583 log_file $TMPC
50a334e4 584 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
585}
586
587check_cpp(){
588 log check_cpp "$@"
2270b4b2 589 cat > $TMPC
720c69da 590 log_file $TMPC
9e7f3277 591 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
592}
593
f65883c8
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594check_as(){
595 log check_as "$@"
596 cat > $TMPC
597 log_file $TMPC
2f2e6c7c 598 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
599}
600
940f335a
MR
601check_asm(){
602 log check_asm "$@"
603 name="$1"
3784e82e 604 code="$2"
940f335a 605 shift 2
49214f61
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606 disable $name
607 check_as "$@" <<EOF && enable $name
3784e82e 608void foo(void){ __asm__ volatile($code); }
940f335a
MR
609EOF
610}
611
304d586d
LM
612check_yasm(){
613 log check_yasm "$@"
614 echo "$1" > $TMPS
615 log_file $TMPS
616 shift 1
617 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
618}
619
dcd479c0 620check_ld(){
57bd82d4 621 log check_ld "$@"
3155a644
MR
622 flags=''
623 libs=''
624 for f; do
625 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
626 done
2a194acd 627 check_cc $($filter_cflags $flags) || return
684b28e0 628 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
629}
630
50a334e4
MR
631check_cppflags(){
632 log check_cppflags "$@"
caf458dd
MR
633 set -- $($filter_cppflags "$@")
634 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
635int x;
636EOF
637}
638
dcd479c0 639check_cflags(){
57bd82d4 640 log check_cflags "$@"
caf458dd
MR
641 set -- $($filter_cflags "$@")
642 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
643int x;
644EOF
645}
646
2ed46eea
MR
647test_ldflags(){
648 log test_ldflags "$@"
649 check_ld "$@" <<EOF
c23a0ac8 650int main(void){ return 0; }
dcd479c0
MR
651EOF
652}
653
2ed46eea
MR
654check_ldflags(){
655 log check_ldflags "$@"
656 test_ldflags "$@" && add_ldflags "$@"
657}
658
dcd479c0 659check_header(){
57bd82d4 660 log check_header "$@"
dcd479c0
MR
661 header=$1
662 shift
b77df637
MR
663 disable_safe $header
664 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
665#include <$header>
666int x;
667EOF
668}
669
670check_func(){
57bd82d4 671 log check_func "$@"
dcd479c0
MR
672 func=$1
673 shift
d8bc5f06
MR
674 disable $func
675 check_ld "$@" <<EOF && enable $func
dcd479c0 676extern int $func();
c23a0ac8 677int main(void){ $func(); }
dcd479c0
MR
678EOF
679}
680
645d2652 681check_mathfunc(){
6b73c0ae 682 log check_mathfunc "$@"
645d2652
MR
683 func=$1
684 shift
685 disable $func
686 check_ld "$@" <<EOF && enable $func
687#include <math.h>
33bd38db
MR
688float foo(float f) { return $func(f); }
689int main(void){ return 0; }
645d2652
MR
690EOF
691}
692
2446d3d6
DB
693check_func_headers(){
694 log check_func_headers "$@"
f8d7b072
MR
695 headers=$1
696 func=$2
697 shift 2
698 disable $func
699 incs=""
700 for hdr in $headers; do
701 incs="$incs
702#include <$hdr>"
703 done
cd0d9a9d 704 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 705$incs
d6773f56 706int main(int argc, char **argv){
2b2c2a81 707 return (long) $func;
f8d7b072
MR
708}
709EOF
710}
711
a5344cf7
SS
712check_cpp_condition(){
713 log check_cpp_condition "$@"
714 header=$1
715 condition=$2
f855b7b9
MR
716 shift 2
717 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
718#include <$header>
719#if !($condition)
720#error "unsatisfied condition: $condition"
721#endif
722EOF
723}
724
57bd82d4
MR
725check_lib(){
726 log check_lib "$@"
727 header="$1"
728 func="$2"
729 shift 2
fcfcde17
MR
730 temp_extralibs "$@"
731 check_header $header && check_func $func && add_extralibs "$@"
732 err=$?
733 restore_flags
734 return $err
57bd82d4
MR
735}
736
f8d7b072
MR
737check_lib2(){
738 log check_lib2 "$@"
739 headers="$1"
740 func="$2"
741 shift 2
300cde27 742 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
743}
744
dcd479c0 745check_exec(){
2270b4b2 746 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
747}
748
7dfef245 749check_exec_crash(){
5e622c40 750 code=$(cat)
7dfef245
MR
751
752 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
753 # are safe but may not be available everywhere. Thus we use
754 # raise(SIGTERM) instead. The check is run in a subshell so we
755 # can redirect the "Terminated" message from the shell. SIGBUS
756 # is not defined by standard C so it is used conditionally.
757
2270b4b2 758 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
759#include <signal.h>
760static void sighandler(int sig){
761 raise(SIGTERM);
762}
e5af4a11 763int main(void){
7dfef245
MR
764 signal(SIGILL, sighandler);
765 signal(SIGFPE, sighandler);
766 signal(SIGSEGV, sighandler);
767#ifdef SIGBUS
768 signal(SIGBUS, sighandler);
769#endif
770 { $code }
771}
772EOF
773}
774
72be9e73
DY
775check_type(){
776 log check_type "$@"
777 headers=$1
778 type=$2
779 shift 2
ae550ce9 780 disable_safe "$type"
72be9e73
DY
781 incs=""
782 for hdr in $headers; do
783 incs="$incs
784#include <$hdr>"
785 done
ae550ce9 786 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
787$incs
788$type v;
789EOF
790}
791
14d36751
MR
792check_struct(){
793 log check_type "$@"
794 headers=$1
795 struct=$2
796 member=$3
797 shift 3
798 disable_safe "${struct}_${member}"
799 incs=""
800 for hdr in $headers; do
801 incs="$incs
802#include <$hdr>"
803 done
804 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
805$incs
806const void *p = &(($struct *)0)->$member;
807EOF
808}
809
57bd82d4
MR
810require(){
811 name="$1"
812 header="$2"
813 func="$3"
814 shift 3
815 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
816}
817
f8d7b072
MR
818require2(){
819 name="$1"
820 headers="$2"
821 func="$3"
822 shift 3
823 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
824}
825
eea50282
MR
826check_foo_config(){
827 cfg=$1
828 pkg=$2
829 header=$3
830 func=$4
831 shift 4
832 disable $cfg
833 check_cmd ${pkg}-config --version
834 err=$?
835 if test "$err" = 0; then
5e622c40
DB
836 temp_cflags $(${pkg}-config --cflags)
837 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
838 check_lib "$@" $header $func && enable $cfg
839 fi
840 return $err
841}
842
f0125de9
MR
843check_host_cc(){
844 log check_host_cc "$@"
845 cat > $TMPC
846 log_file $TMPC
847 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
848}
849
850check_host_cflags(){
851 log check_host_cflags "$@"
852 check_host_cc "$@" <<EOF && append host_cflags "$@"
853int x;
854EOF
855}
856
c505dd31
MR
857apply(){
858 file=$1
859 shift
860 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
861}
862
c34681df
MR
863cp_if_changed(){
864 cmp -s "$1" "$2" &&
865 echo "$2 is unchanged" ||
866 cp -f "$1" "$2"
867}
868
dcd61286
DB
869# CONFIG_LIST contains configurable options, while HAVE_LIST is for
870# system-dependent things.
871
4a0d6686
AJ
872COMPONENT_LIST="
873 bsfs
874 decoders
875 demuxers
876 encoders
3cde40aa 877 filters
5666fd73 878 hwaccels
c552605c 879 indevs
4a0d6686 880 muxers
c552605c 881 outdevs
4a0d6686
AJ
882 parsers
883 protocols
884"
885
886CONFIG_LIST="
887 $COMPONENT_LIST
e8ed9b7a 888 aandct
5a0f7131
MR
889 avcodec
890 avdevice
f7679c54
VS
891 avfilter
892 avfilter_lavf
5a0f7131 893 avformat
c88f5d72
MR
894 avisynth
895 beos_netserver
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
1cc60c47
DB
929 libx264
930 libxvid
f4d608e3 931 lpc
b781cc12 932 lsp
47a158cb 933 mdct
c88f5d72 934 memalign_hack
a8150374 935 mlib
c88f5d72
MR
936 mpegaudio_hp
937 network
3fe142e2 938 nonfree
8a3c8627 939 pic
4a24ab64 940 postproc
2b4c3615 941 powerpc_perf
68602540 942 rdft
e90f5b5a 943 runtime_cpudetect
2e35e684 944 shared
bd2216e4 945 small
6b35d421 946 sram
2e35e684 947 static
5a0f7131 948 swscale
a9ddb5b1 949 swscale_alpha
17492d5e
DB
950 vaapi
951 vdpau
9cad0e4e 952 version3
56a059ac 953 x11grab
c88f5d72 954 zlib
4a0d6686 955"
c88f5d72 956
8eee7025
DB
957THREADS_LIST='
958 beosthreads
d22e8442 959 os2threads
8eee7025
DB
960 pthreads
961 w32threads
962'
963
3f5b56e5
MR
964ARCH_LIST='
965 alpha
a2fc0f6a 966 arm
fdcd782d
MR
967 avr32
968 avr32_ap
969 avr32_uc
3f5b56e5
MR
970 bfin
971 ia64
972 m68k
973 mips
bae3abb0 974 mips64
3f5b56e5 975 parisc
79cb09b2 976 ppc
34d11b87 977 ppc64
3f5b56e5
MR
978 s390
979 sh4
980 sparc
981 sparc64
0844bae1 982 tomi
3f5b56e5
MR
983 x86
984 x86_32
985 x86_64
986'
987
988ARCH_EXT_LIST='
1ac9331a 989 altivec
3bf96eec 990 amd3dnow
a1ef9f08 991 amd3dnowext
1ac9331a 992 armv5te
edab3048 993 armv6
ab5cb084 994 armv6t2
f55b299a 995 armvfp
3f5b56e5
MR
996 iwmmxt
997 mmi
998 mmx
d7f0920b 999 mmx2
6b18d278 1000 neon
799fde37 1001 ppc4xx
1bb04d5a 1002 sse
9eeed841 1003 ssse3
bd9d34a0 1004 vis
3f5b56e5
MR
1005'
1006
a3e02a8c
MR
1007HAVE_LIST_PUB='
1008 bigendian
1009'
1010
3f5b56e5
MR
1011HAVE_LIST="
1012 $ARCH_EXT_LIST
a3e02a8c 1013 $HAVE_LIST_PUB
3f5b56e5 1014 $THREADS_LIST
35fd8122 1015 alsa_asoundlib_h
3f5b56e5 1016 altivec_h
c9fdab0d 1017 arpa_inet_h
dffb41b9 1018 attribute_may_alias
e7ea5e3d 1019 attribute_packed
6bd859d6 1020 bswap
ecf97f22 1021 closesocket
1ac9331a 1022 cmov
e16e49ac 1023 conio_h
c88f5d72 1024 dcbzl
f8aa696f
DB
1025 dev_bktr_ioctl_bt848_h
1026 dev_bktr_ioctl_meteor_h
1027 dev_ic_bt8xx_h
1028 dev_video_meteor_ioctl_meteor_h
1029 dev_video_bktr_ioctl_bt848_h
18b67ae5 1030 dlfcn_h
c88f5d72 1031 dlopen
bc574408 1032 dos_paths
245626d0
DB
1033 ebp_available
1034 ebx_available
6b7c7703
VS
1035 exp2
1036 exp2f
c2a29455 1037 fast_64bit
669b5583 1038 fast_clz
7073e9fc 1039 fast_cmov
7b829d2a 1040 fast_unaligned
9d99cc5a 1041 fork
84882df6 1042 getaddrinfo
da9e86f8 1043 gethrtime
fc5607f8 1044 GetProcessMemoryInfo
4e68cb8a 1045 GetProcessTimes
66be5b45 1046 getrusage
fc5607f8 1047 struct_rusage_ru_maxrss
2e1913b1 1048 inet_aton
61d251db 1049 inline_asm
abfc8d05 1050 isatty
9f5ff83f 1051 ldbrx
0b4a1821
AS
1052 libdc1394_1
1053 libdc1394_2
a33cab3a 1054 llrint
d96cd429
MR
1055 local_aligned_16
1056 local_aligned_8
291fd18a 1057 log2
6b7c7703 1058 log2f
85dd97ad 1059 loongson
a33cab3a 1060 lrint
c88f5d72 1061 lrintf
e4673692 1062 lzo1x_999_compress
f8aa696f
DB
1063 machine_ioctl_bt848_h
1064 machine_ioctl_meteor_h
c88f5d72
MR
1065 malloc_h
1066 memalign
6ffa87d3 1067 mkstemp
b4e806b2 1068 pld
1f91cdce 1069 posix_memalign
a33cab3a
MK
1070 round
1071 roundf
c88f5d72
MR
1072 sdl
1073 sdl_video_size
b507ebd1 1074 setmode
72be9e73 1075 socklen_t
deb29777 1076 soundcard_h
f8cda19e 1077 poll_h
0104b608 1078 setrlimit
87958234 1079 strerror_r
c0018613 1080 struct_addrinfo
b4d68544
MS
1081 struct_ipv6_mreq
1082 struct_sockaddr_in6
3b2372bf 1083 struct_sockaddr_sa_len
33a4dbdd 1084 struct_sockaddr_storage
b58412f1 1085 sys_mman_h
b091aa44 1086 sys_resource_h
81644c2e 1087 sys_select_h
deb29777 1088 sys_soundcard_h
1b6e8b73 1089 sys_videoio_h
d3a4b4e0 1090 ten_operands
e16e49ac 1091 termios_h
b265431e 1092 threads
7b04b8a0 1093 truncf
ce742de2 1094 vfp_args
7c5bfe7a 1095 VirtualAlloc
6ff3f3e7 1096 winsock2_h
cc078b5d 1097 xform_asm
304d586d 1098 yasm
0cb78cef 1099"
44161118 1100
b6bb00b0
MR
1101# options emitted with CONFIG_ prefix but not available on command line
1102CONFIG_EXTRA="
dc4f5a1c 1103 avutil
9cad0e4e
DB
1104 gplv3
1105 lgplv3
b6bb00b0
MR
1106"
1107
520cc7f1 1108CMDLINE_SELECT="
3f5b56e5 1109 $ARCH_EXT_LIST
520cc7f1 1110 $CONFIG_LIST
8eee7025 1111 $THREADS_LIST
c8a4ae00 1112 asm
db6107b6 1113 cross_compile
520cc7f1
MR
1114 debug
1115 extra_warnings
8c6afa4d 1116 logging
d2bbb2f7 1117 optimizations
87a0fb62 1118 stripping
7595a5e4 1119 yasm
520cc7f1 1120"
426be5dc
DB
1121
1122PATHS_LIST='
d156bede 1123 bindir
14a8acf1 1124 datadir
26759c44
MR
1125 incdir
1126 libdir
26759c44
MR
1127 mandir
1128 prefix
1129 shlibdir
426be5dc
DB
1130'
1131
1132CMDLINE_SET="
1133 $PATHS_LIST
1134 arch
313c46a6 1135 as
426be5dc
DB
1136 build_suffix
1137 cc
1138 cpu
1139 cross_prefix
50567afa 1140 dep_cc
ac63af34 1141 extra_version
9da6609f
MR
1142 host_cc
1143 host_cflags
1144 host_ldflags
1145 host_libs
82bb3329 1146 host_os
684b28e0 1147 ld
426be5dc 1148 logfile
4ae40685 1149 malloc_prefix
89641463 1150 nm
2fad0977 1151 samples
26759c44 1152 source_path
4f837398 1153 strip
c5200f17
MR
1154 sysinclude
1155 sysroot
a7ada2ba 1156 target_exec
26759c44 1157 target_os
a7ada2ba 1158 target_path
426be5dc 1159"
520cc7f1 1160
89f2932b
MR
1161CMDLINE_APPEND="
1162 extra_cflags
1163"
1164
912f3148
DB
1165# code dependency declarations
1166
9eeed841 1167# architecture extensions
808fa33c 1168
a2fc0f6a
MR
1169armv5te_deps="arm"
1170armv6_deps="arm"
ab5cb084 1171armv6t2_deps="arm"
a2fc0f6a
MR
1172armvfp_deps="arm"
1173iwmmxt_deps="arm"
808fa33c
MR
1174neon_deps="arm"
1175
e241ba14 1176mmi_deps="mips"
808fa33c
MR
1177
1178altivec_deps="ppc"
1179ppc4xx_deps="ppc"
1180
1181vis_deps="sparc"
1182
7f8c3d1f 1183x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1184amd3dnow_deps="mmx"
1185amd3dnowext_deps="amd3dnow"
9eeed841 1186mmx_deps="x86"
75aa95a6 1187mmx2_deps="mmx"
75aa95a6
DB
1188sse_deps="mmx"
1189ssse3_deps="sse"
9eeed841 1190
e939cedd 1191fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1192fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1193fast_unaligned_if_any="armv6 ppc x86"
669b5583 1194
89e053f8 1195need_memalign="altivec neon sse"
6fec122a 1196inline_asm_deps="!tms470"
89e053f8 1197
26fbcc85
MR
1198# subsystems
1199mdct_select="fft"
1200rdft_select="fft"
1201
5666fd73 1202# decoders / encoders / hardware accelerators
49351479 1203aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1204aac_encoder_select="mdct"
1205ac3_decoder_select="mdct ac3_parser"
f4d608e3 1206alac_encoder_select="lpc"
b781cc12 1207amrnb_decoder_select="lsp"
084cbbaa 1208atrac1_decoder_select="mdct"
26fbcc85
MR
1209atrac3_decoder_select="mdct"
1210binkaudio_dct_decoder_select="mdct rdft dct"
1211binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1212cavs_decoder_select="golomb"
26fbcc85 1213cook_decoder_select="mdct"
2eef7c62 1214cscd_decoder_suggest="zlib"
26fbcc85 1215dca_decoder_select="mdct"
e8ed9b7a 1216dnxhd_encoder_select="aandct"
2eef7c62 1217dxa_decoder_select="zlib"
baf91bb9 1218eac3_decoder_select="ac3_decoder"
84c04e25 1219eamad_decoder_select="aandct"
e8ed9b7a 1220eatgq_decoder_select="aandct"
d52b39c7 1221eatqi_decoder_select="aandct"
4f034993
MR
1222ffv1_decoder_select="golomb"
1223flac_decoder_select="golomb"
f4d608e3 1224flac_encoder_select="golomb lpc"
2eef7c62
AJ
1225flashsv_decoder_select="zlib"
1226flashsv_encoder_select="zlib"
4414137e 1227flv_decoder_select="h263_decoder"
4d4b4bd1 1228flv_encoder_select="h263_encoder"
e8ed9b7a 1229h261_encoder_select="aandct"
7f647ae0 1230h263_decoder_select="h263_parser"
e8ed9b7a 1231h263_encoder_select="aandct"
ff418735 1232h263_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1233h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1234h263i_decoder_select="h263_decoder"
fe629c2d 1235h263p_encoder_select="h263_encoder"
4693b031 1236h264_decoder_select="golomb h264dsp"
92c6a099
LA
1237h264_dxva2_hwaccel_deps="dxva2api_h"
1238h264_dxva2_hwaccel_select="dxva2 h264_decoder"
ff418735 1239h264_vaapi_hwaccel_deps="va_va_h"
17492d5e 1240h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1241h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1242imc_decoder_select="fft mdct"
4f034993
MR
1243jpegls_decoder_select="golomb"
1244jpegls_encoder_select="golomb"
e8ed9b7a 1245ljpeg_encoder_select="aandct"
4f034993 1246loco_decoder_select="golomb"
e8ed9b7a 1247mjpeg_encoder_select="aandct"
2cca233b 1248mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1249mpeg1video_encoder_select="aandct"
1250mpeg2video_encoder_select="aandct"
4414137e 1251mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1252mpeg4_encoder_select="h263_encoder"
95a61cfc 1253mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1254mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
ff418735 1255mpeg2_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1256mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
ff418735 1257mpeg4_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1258mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1259mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1260mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1261mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1262msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1263msmpeg4v1_encoder_select="h263_encoder"
4414137e 1264msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1265msmpeg4v2_encoder_select="h263_encoder"
4414137e 1266msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1267msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1268nellymoser_decoder_select="mdct"
1269nellymoser_encoder_select="mdct"
2eef7c62
AJ
1270png_decoder_select="zlib"
1271png_encoder_select="zlib"
b781cc12 1272qcelp_decoder_select="lsp"
26fbcc85 1273qdm2_decoder_select="mdct rdft"
a8beb22f 1274rv10_decoder_select="h263_decoder"
b2bf38b4 1275rv10_encoder_select="h263_encoder"
a8beb22f 1276rv20_decoder_select="h263_decoder"
b2bf38b4 1277rv20_encoder_select="h263_encoder"
4693b031
MR
1278rv30_decoder_select="golomb h264dsp"
1279rv40_decoder_select="golomb h264dsp"
4f034993 1280shorten_decoder_select="golomb"
b781cc12 1281sipr_decoder_select="lsp"
05aec7bb
MR
1282snow_decoder_select="dwt"
1283snow_encoder_select="aandct dwt"
4f034993
MR
1284sonic_decoder_select="golomb"
1285sonic_encoder_select="golomb"
1286sonic_ls_encoder_select="golomb"
19ecfb8a 1287svq1_encoder_select="aandct"
4693b031 1288svq3_decoder_select="golomb h264dsp"
bee2eac5 1289svq3_decoder_suggest="zlib"
4eef77c1 1290theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1291tiff_decoder_suggest="zlib"
1292tiff_encoder_suggest="zlib"
aec09a00 1293truehd_decoder_select="mlp_decoder"
2eef7c62 1294tscc_decoder_select="zlib"
b781cc12 1295twinvq_decoder_select="mdct lsp"
f95bfab0 1296vc1_decoder_select="h263_decoder"
9104cd51 1297vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1298vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
ff418735 1299vc1_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1300vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1301vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1302vorbis_decoder_select="mdct"
1303vorbis_encoder_select="mdct"
e82dc4c9
DB
1304vp6a_decoder_select="vp6_decoder"
1305vp6f_decoder_select="vp6_decoder"
084cbbaa 1306wmapro_decoder_select="mdct"
26fbcc85
MR
1307wmav1_decoder_select="mdct"
1308wmav1_encoder_select="mdct"
1309wmav2_decoder_select="mdct"
1310wmav2_encoder_select="mdct"
b781cc12 1311wmavoice_decoder_select="lsp"
f95bfab0 1312wmv1_decoder_select="h263_decoder"
665507aa 1313wmv1_encoder_select="h263_encoder"
f95bfab0 1314wmv2_decoder_select="h263_decoder"
1746e2a9 1315wmv2_encoder_select="h263_encoder"
015f8ee0 1316wmv3_decoder_select="vc1_decoder"
f0f86627 1317wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1318wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1319wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1320zlib_decoder_select="zlib"
1321zlib_encoder_select="zlib"
1322zmbv_decoder_select="zlib"
1323zmbv_encoder_select="zlib"
30fd06be 1324
c89c96e9
MR
1325vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1326
28b80940 1327# parsers
4693b031 1328h264_parser_select="golomb h264dsp"
28b80940 1329
f1e94694
DB
1330# bitstream_filters
1331aac_adtstoasc_bsf_select="aac_parser"
1332
912f3148 1333# external libraries
1b71f045 1334libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1335libdirac_encoder_deps="libdirac"
c9171a83 1336libfaac_encoder_deps="libfaac"
69ddbd1d 1337libfaad_decoder_deps="libfaad"
4ec45764 1338libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1339libgsm_decoder_deps="libgsm"
1340libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1341libgsm_ms_decoder_deps="libgsm"
1342libgsm_ms_encoder_deps="libgsm"
1cc60c47 1343libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1344libopencore_amrnb_decoder_deps="libopencore_amrnb"
1345libopencore_amrnb_encoder_deps="libopencore_amrnb"
1346libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1347libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1348libschroedinger_decoder_deps="libschroedinger"
1349libschroedinger_encoder_deps="libschroedinger"
ae14f311 1350libspeex_decoder_deps="libspeex"
150d2772 1351libtheora_encoder_deps="libtheora"
b0caf888 1352libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1353libx264_encoder_deps="libx264"
1354libxvid_encoder_deps="libxvid"
30fd06be 1355
912f3148 1356# demuxers / muxers
03a76ba9 1357ac3_demuxer_deps="ac3_parser"
647c2356 1358asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1359avisynth_demuxer_deps="avisynth"
1360dirac_demuxer_deps="dirac_parser"
5b423887 1361eac3_demuxer_select="ac3_parser"
647c2356 1362ipod_muxer_select="mov_muxer"
4e622dea
SS
1363libnut_demuxer_deps="libnut"
1364libnut_muxer_deps="libnut"
647c2356 1365matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1366matroska_demuxer_suggest="zlib bzlib"
1367mov_demuxer_suggest="zlib"
1368mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1369mp4_muxer_select="mov_muxer"
1370mpegtsraw_demuxer_select="mpegts_demuxer"
1371mxf_d10_muxer_select="mxf_muxer"
24ca518b 1372ogg_demuxer_select="golomb"
647c2356 1373psp_muxer_select="mov_muxer"
4e622dea 1374rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1375rtsp_muxer_deps="sdp_demuxer"
1376rtsp_muxer_select="rtp_muxer"
4e622dea 1377sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1378sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1379spdif_muxer_select="aac_parser"
647c2356
DB
1380tg2_muxer_select="mov_muxer"
1381tgp_muxer_select="mov_muxer"
6bdaa5f4 1382w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1383
1384# indevs / outdevs
38e54a75
SS
1385alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1386alsa_indev_extralibs="-lasound"
1387alsa_outdev_deps="alsa_asoundlib_h"
1388alsa_outdev_extralibs="-lasound"
1389audio_beos_indev_deps="audio_beos"
1390audio_beos_indev_extralibs="-lmedia -lbe"
1391audio_beos_outdev_deps="audio_beos"
1392audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1393bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1394dv1394_indev_deps="dv1394 dv_demuxer"
1395jack_indev_deps="jack_jack_h"
1396jack_indev_extralibs="-ljack"
1397libdc1394_indev_deps="libdc1394"
38e54a75
SS
1398oss_indev_deps_any="soundcard_h sys_soundcard_h"
1399oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1400v4l_indev_deps="linux_videodev_h"
1401v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1402vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1403vfwcap_indev_extralibs="-lavicap32"
38e54a75 1404x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1405x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1406
912f3148 1407# protocols
3fff6382 1408gopher_protocol_deps="network"
c08fb000 1409http_protocol_deps="network"
279a0c97 1410http_protocol_select="tcp_protocol"
cbf29889 1411rtmp_protocol_deps="tcp_protocol"
c08fb000
AB
1412rtp_protocol_deps="udp_protocol"
1413tcp_protocol_deps="network"
1414udp_protocol_deps="network"
1415
f7679c54 1416# filters
81124ba0 1417movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1418avfilter_lavf_deps="avformat"
1419
1420# libraries
1421avdevice_deps="avcodec avformat"
1422avformat_deps="avcodec"
f7679c54 1423
912f3148 1424# programs
5a0f7131
MR
1425ffmpeg_deps="avcodec avformat swscale"
1426ffplay_deps="avcodec avformat swscale sdl"
43689902 1427ffplay_select="rdft"
336ce917 1428ffprobe_deps="avcodec avformat"
5a0f7131 1429ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1430ffserver_extralibs='$ldl'
a2830dca 1431
c73f65d9 1432doc_deps="texi2html"
912f3148 1433
de6d9b64 1434# default parameters
8a608357 1435
2ba042a7 1436logfile="config.err"
8a608357
MR
1437
1438# installation paths
c9d19248
MR
1439prefix_default="/usr/local"
1440bindir_default='${prefix}/bin'
14a8acf1 1441datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1442incdir_default='${prefix}/include'
1443libdir_default='${prefix}/lib'
1444mandir_default='${prefix}/share/man'
1445shlibdir_default="$libdir_default"
8a608357
MR
1446
1447# toolchain
11e6d03a 1448ar="ar"
13c7df3d 1449cc_default="gcc"
a3d7c197 1450cc_version=\"unknown\"
9da6609f 1451host_cc_default="gcc"
11e6d03a 1452ln_s="ln -sf"
89641463 1453nm_default="nm"
11e6d03a 1454objformat="elf"
be7109c1 1455ranlib="ranlib"
4f837398 1456strip_default="strip"
11e6d03a 1457yasmexe="yasm"
8a608357 1458
8182dc34
MR
1459nm_opts='-g'
1460
8a608357 1461# machine
8d4c00ed 1462arch_default=$(uname -m)
38d0a8aa 1463cpu="generic"
8a608357 1464
8a608357 1465# OS
8d4c00ed
MR
1466target_os_default=$(tolower $(uname -s))
1467host_os=$target_os_default
8a608357 1468
8a608357 1469# configurable options
5a0f7131
MR
1470enable avcodec
1471enable avdevice
1472enable avformat
dc4f5a1c 1473enable avutil
c8a4ae00 1474enable asm
497237c7 1475enable debug
c73f65d9 1476enable doc
aa033b1e 1477enable fastdiv
497237c7
RP
1478enable ffmpeg
1479enable ffplay
336ce917 1480enable ffprobe
497237c7 1481enable ffserver
497237c7
RP
1482enable mpegaudio_hp
1483enable network
8400d6b8 1484enable optimizations
497237c7 1485enable protocols
530dc538 1486enable static
87a0fb62 1487enable stripping
5a0f7131 1488enable swscale
a9ddb5b1 1489enable swscale_alpha
8a608357 1490
8a608357 1491# build settings
9987769a 1492SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1493FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1494LIBPREF="lib"
1495LIBSUF=".a"
c5f14466
RP
1496FULLNAME='$(NAME)$(BUILDSUF)'
1497LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1498SLIBPREF="lib"
1499SLIBSUF=".so"
c5f14466 1500SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1501SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1502SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1503LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1504
7e6c86e6
MR
1505CC_O='-o $@'
1506
f0125de9 1507host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1508host_libs='-lm'
1509
9b861379 1510target_path='$(CURDIR)'
a7ada2ba 1511
0d7dca36
DB
1512# gcc stupidly only outputs the basename of targets with -MM, but we need the
1513# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1514DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1515DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1516
c597172e 1517# find source path
5e622c40 1518source_path="$(dirname "$0")"
497237c7 1519enable source_path_used
24524f36 1520if test -f configure; then
5e622c40 1521 source_path="$(pwd)"
497237c7 1522 disable source_path_used
c597172e 1523else
5e622c40 1524 source_path="$(cd "$source_path"; pwd)"
c597172e 1525 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1526 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1527 test -e "$source_path/config.h" &&
1528 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1529fi
1530
13cbe2c0 1531for v in "$@"; do
b04251c5
MR
1532 r=${v#*=}
1533 l=${v%"$r"}
1534 r=$(sh_quote "$r")
13cbe2c0
MR
1535 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1536done
c597172e 1537
73ef8980
MR
1538find_things(){
1539 thing=$1
1540 pattern=$2
1541 file=$source_path/$3
932ccf39 1542 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1543}
1544
1545ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1546DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1547HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1548PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1549BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1550MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1551DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1552OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1553INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1554PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1555FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1556
7483e694
DB
1557enable $ARCH_EXT_LIST \
1558 $DECODER_LIST \
1559 $ENCODER_LIST \
5666fd73 1560 $HWACCEL_LIST \
7483e694
DB
1561 $PARSER_LIST \
1562 $BSF_LIST \
1563 $DEMUXER_LIST \
1564 $MUXER_LIST \
f7679c54 1565 $FILTER_LIST \
7483e694
DB
1566 $PROTOCOL_LIST \
1567 $INDEV_LIST \
1568 $OUTDEV_LIST \
c597172e
MR
1569
1570die_unknown(){
1571 echo "Unknown option \"$1\"."
1572 echo "See $0 --help for available options."
1573 exit 1
1574}
1575
794f8e97 1576show_list() {
bf0c4afa
RP
1577 suffix=_$1
1578 shift
2b444ea7 1579 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1580 exit 0
1581}
1582
c597172e 1583for opt do
7483e694
DB
1584 optval="${opt#*=}"
1585 case "$opt" in
0f010b2f 1586 --extra-ldflags=*) add_ldflags $optval
7483e694 1587 ;;
0f010b2f 1588 --extra-libs=*) add_extralibs $optval
7483e694 1589 ;;
8fb1cb58 1590 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1591 ;;
40bcf4c7
BL
1592 --enable-debug=*) debuglevel="$optval"
1593 ;;
36e2dea0 1594 --disable-everything)
e0e335a0 1595 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1596 ;;
7483e694 1597 --enable-*=*|--disable-*=*)
8b93ddc3 1598 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1599 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1600 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1601 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1602 $action $(filter "$name" $list)
7483e694
DB
1603 ;;
1604 --enable-?*|--disable-?*)
5e622c40 1605 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1606 if is_in $option $COMPONENT_LIST; then
fed5d54b 1607 test $action = disable && action=unset
e3773a55
MR
1608 eval $action \$$(toupper ${option%s})_LIST
1609 elif is_in $option $CMDLINE_SELECT; then
1610 $action $option
1611 else
1612 die_unknown $opt
1613 fi
7483e694
DB
1614 ;;
1615 --list-*)
1616 NAME="${opt#--list-}"
1617 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1618 NAME=${NAME%s}
1619 eval show_list $NAME \$$(toupper $NAME)_LIST
1620 ;;
1621 --help|-h) show_help
1622 ;;
1623 *)
884a36a7 1624 optname="${opt%%=*}"
26759c44
MR
1625 optname="${optname#--}"
1626 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1627 if is_in $optname $CMDLINE_SET; then
1628 eval $optname='$optval'
1629 elif is_in $optname $CMDLINE_APPEND; then
1630 append $optname "$optval"
1631 else
1632 die_unknown $opt
1633 fi
7483e694
DB
1634 ;;
1635 esac
c597172e
MR
1636done
1637
bcea99bb
MR
1638disabled logging && logfile=/dev/null
1639
13cbe2c0 1640echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1641set >> $logfile
1642
9da6609f
MR
1643test -n "$cross_prefix" && enable cross_compile
1644
8d4c00ed
MR
1645if enabled cross_compile; then
1646 test -n "$arch" && test -n "$target_os" ||
1647 die "Must specify target arch and OS when cross-compiling"
1648fi
1649
1650set_default arch target_os
1651
adb2b908 1652ar="${cross_prefix}${ar}"
11e6d03a 1653cc_default="${cross_prefix}${cc_default}"
20e0ed95 1654nm_default="${cross_prefix}${nm_default}"
adb2b908 1655ranlib="${cross_prefix}${ranlib}"
4f837398 1656strip_default="${cross_prefix}${strip_default}"
adb2b908 1657
c5200f17
MR
1658sysinclude_default="${sysroot}/usr/include"
1659
4f837398 1660set_default cc nm strip sysinclude
9da6609f
MR
1661enabled cross_compile || host_cc_default=$cc
1662set_default host_cc
13c7df3d 1663
82bb3329
MR
1664exesuf() {
1665 case $1 in
1666 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1667 esac
1668}
1669
1670EXESUF=$(exesuf $target_os)
1671HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1672
e4e69e0b 1673# set temporary file name
a49d42c2 1674: ${TMPDIR:=$TEMPDIR}
c51fafa1 1675: ${TMPDIR:=$TMP}
a49d42c2 1676: ${TMPDIR:=/tmp}
e4e69e0b 1677
54460a83
MR
1678if ! check_cmd type mktemp; then
1679 # simple replacement for missing mktemp
1680 # NOT SAFE FOR GENERAL USE
1681 mktemp(){
1682 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1683 }
1684fi
1685
1686tmpfile(){
1687 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1688 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1689 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1690 append TMPFILES $tmp
1691 eval $1=$tmp
1692}
1693
1694trap 'rm -f -- $TMPFILES' EXIT
1695trap exit HUP INT TERM
1696
1697tmpfile TMPC .c
1698tmpfile TMPE $EXESUF
1699tmpfile TMPH .h
1700tmpfile TMPO .o
1701tmpfile TMPS .S
a482e61b 1702tmpfile TMPV .ver
54460a83
MR
1703tmpfile TMPSH .sh
1704
1705unset -f mktemp
e4e69e0b 1706
993f2d0f
MR
1707# make sure we can execute files in $TMPDIR
1708cat > $TMPSH 2>> $logfile <<EOF
1709#! /bin/sh
1710EOF
1711chmod +x $TMPSH >> $logfile 2>&1
1712if ! $TMPSH >> $logfile 2>&1; then
1713 cat <<EOF
1714Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1715variable to another directory and make sure that it is not mounted noexec.
1716EOF
1717 die "Sanity test failed."
1718fi
993f2d0f 1719
19b4c628
MR
1720filter_cflags=echo
1721filter_cppflags=echo
1722filter_asflags=echo
1723
8f0c157a 1724if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1725 cc_type=gcc
a3d7c197 1726 cc_version=__VERSION__
aef6bd1b
MR
1727 if ! $cc -dumpversion | grep -q '^2\.'; then
1728 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1729 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1730 fi
14ca9cd0
MR
1731 speed_cflags='-O3'
1732 size_cflags='-Os'
629687f6
MR
1733elif $cc --version 2>/dev/null | grep -q Intel; then
1734 cc_type=icc
6e3fa35d 1735 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1736 CC_DEPFLAGS='-MMD'
1737 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1738 speed_cflags='-O3'
1739 size_cflags='-Os'
629687f6
MR
1740elif $cc -v 2>&1 | grep -q xlc; then
1741 cc_type=xlc
6e3fa35d 1742 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1743 speed_cflags='-O5'
1744 size_cflags='-O5 -qcompact'
df442a8d
MR
1745elif $cc -V 2>/dev/null | grep -q Compaq; then
1746 cc_type=ccc
6e3fa35d 1747 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1748 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1749 debuglevel=3
df442a8d 1750 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1751 speed_cflags='-fast'
1752 size_cflags='-O1'
6a0d5493 1753elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1754 test -d "$sysroot" || die "No valid sysroot specified."
1755 cc_type=armcc
6e3fa35d 1756 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1757 armcc_conf="$PWD/armcc.conf"
1758 $cc --arm_linux_configure \
1759 --arm_linux_config_file="$armcc_conf" \
1760 --configure_sysroot="$sysroot" \
1761 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1762 die "Error creating armcc configuration file."
1763 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1764 as_default="${cross_prefix}gcc"
07dec06e
MR
1765 CC_DEPFLAGS='-MMD'
1766 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1767 speed_cflags='-O3'
1768 size_cflags='-Os'
6fec122a
MR
1769elif $cc -version 2>/dev/null | grep -q TMS470; then
1770 cc_type=tms470
6e3fa35d 1771 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1772 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1773 CC_O='-fr=$(@D)'
1774 as_default="${cross_prefix}gcc"
1775 ld_default="${cross_prefix}gcc"
6fec122a
MR
1776 TMPO=$(basename $TMPC .c).o
1777 append TMPFILES $TMPO
1778 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1779 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1780 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1781 speed_cflags='-O3 -mf=5'
1782 size_cflags='-O3 -mf=2'
6fec122a
MR
1783 filter_cflags=tms470_flags
1784 tms470_flags(){
1785 for flag; do
1786 case $flag in
1787 -march=*|-mcpu=*)
1788 case "${flag#*=}" in
1789 armv7-a|cortex-a*) echo -mv=7a8 ;;
1790 armv7-r|cortex-r*) echo -mv=7r4 ;;
1791 armv7-m|cortex-m*) echo -mv=7m3 ;;
1792 armv6*|arm11*) echo -mv=6 ;;
1793 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1794 echo -mv=5e ;;
1795 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1796 esac
1797 ;;
1798 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1799 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1800 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1801 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1802 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1803 -g) echo -g -mn ;;
587d24ff 1804 -pds=*) echo $flag ;;
6fec122a
MR
1805 esac
1806 done
1807 }
06da6943
DC
1808elif $cc -v 2>&1 | grep -q clang; then
1809 cc_type=clang
1810 cc_version=__VERSION__
1811 CC_DEPFLAGS='-MMD'
1812 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1813 speed_cflags='-O3'
1814 size_cflags='-Os'
2a472e9c
MK
1815elif $cc -V 2>&1 | grep -q Sun; then
1816 cc_type=suncc
1817 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1818 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1819 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1820 speed_cflags='-O5'
1821 size_cflags='-O5 -xspace'
03279bbe
MK
1822 filter_cflags=suncc_flags
1823 suncc_flags(){
1824 for flag; do
1825 case $flag in
1826 -march=*|-mcpu=*)
1827 case "${flag#*=}" in
1828 native) echo -xtarget=native ;;
1829 v9) echo -xarch=sparc ;;
1830 ultrasparc) echo -xarch=sparcvis ;;
1831 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1832 i586|pentium) echo -xchip=pentium ;;
1833 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1834 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1835 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1836 pentium4*) echo -xtarget=pentium4 ;;
1837 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1838 *-sse3) echo -xarch=sse3 ;;
1839 core2) echo -xarch=ssse3 -xchip=core2 ;;
1840 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1841 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1842 k8|opteron|athlon64|athlon-fx)
1843 echo -xarch=sse2a ;;
1844 athlon*) echo -xarch=pentium_proa ;;
1845 esac
1846 ;;
1847 -std=c99) echo -xc99 ;;
1848 -fomit-frame-pointer) echo -xregs=frameptr ;;
1849 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1850 -W*,*) echo $flag ;;
1851 -f*-*|-W*) ;;
1852 *) echo $flag ;;
1853 esac
1854 done
1855 }
629687f6
MR
1856fi
1857
1858test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1859
75bafbac 1860: ${as_default:=$cc}
50567afa 1861: ${dep_cc_default:=$cc}
684b28e0 1862: ${ld_default:=$cc}
50567afa 1863set_default as dep_cc ld
75800dce 1864
07dec06e
MR
1865test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1866test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1867
7f32f40c 1868add_cflags $extra_cflags
2f2e6c7c 1869add_asflags $extra_cflags
7f32f40c 1870
154d432c
MR
1871if test -n "$sysroot"; then
1872 case "$cc_type" in
1873 gcc)
467256f2 1874 add_cppflags --sysroot="$sysroot"
154d432c
MR
1875 add_ldflags --sysroot="$sysroot"
1876 ;;
6fec122a
MR
1877 tms470)
1878 add_cppflags -I"$sysinclude"
1879 add_ldflags --sysroot="$sysroot"
1880 ;;
06da6943 1881 clang)
4def700e
DC
1882 add_cppflags -isysroot "$sysroot"
1883 add_ldflags -isysroot "$sysroot"
06da6943 1884 ;;
154d432c
MR
1885 esac
1886fi
1887
d22c13a8
MR
1888if test "$cpu" = host; then
1889 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1890
1891 case "$cc_type" in
1892 gcc)
1893 check_native(){
1894 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1895 sed -n "/$1=/{
1896 s/.*$1=\\([^ ]*\\).*/\\1/
1897 p
1898 q
1899 }" $TMPE
d22c13a8
MR
1900 }
1901 cpu=$(check_native -march || check_native -mcpu)
1902 ;;
1903 esac
1904
1905 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1906fi
1907
e939cedd
MR
1908# Deal with common $arch aliases
1909case "$arch" in
1910 arm*)
1911 arch="arm"
1912 ;;
1913 mips|mipsel|IP*)
1914 arch="mips"
1915 ;;
47b1860e 1916 mips64*)
e939cedd
MR
1917 arch="mips"
1918 subarch="mips64"
1919 ;;
1920 parisc|hppa)
1921 arch="parisc"
1922 ;;
1923 parisc64|hppa64)
1924 arch="parisc"
1925 subarch="parisc64"
1926 ;;
1927 "Power Macintosh"|ppc|powerpc)
1928 arch="ppc"
1929 ;;
47b1860e 1930 ppc64|powerpc64)
e939cedd
MR
1931 arch="ppc"
1932 subarch="ppc64"
1933 ;;
1934 s390|s390x)
1935 arch="s390"
1936 ;;
1937 sh4|sh)
1938 arch="sh4"
1939 ;;
1940 sun4u|sparc64)
1941 arch="sparc"
1942 subarch="sparc64"
1943 ;;
1944 i[3-6]86|i86pc|BePC|x86_64|amd64)
1945 arch="x86"
1946 ;;
1947esac
1948
1949is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1950enable $arch
e939cedd 1951
df5cdc24 1952# Add processor-specific flags
5d54c126
MR
1953if test "$cpu" = generic; then
1954 : do nothing
1955elif enabled ppc; then
343aef9b 1956
56348891
MR
1957 case $(tolower $cpu) in
1958 601|ppc601|powerpc601)
9dbd5c3d 1959 cpuflags="-mcpu=601"
64ad53ff 1960 disable altivec
9dbd5c3d 1961 ;;
56348891 1962 603*|ppc603*|powerpc603*)
9dbd5c3d 1963 cpuflags="-mcpu=603"
64ad53ff 1964 disable altivec
9dbd5c3d 1965 ;;
56348891 1966 604*|ppc604*|powerpc604*)
9dbd5c3d 1967 cpuflags="-mcpu=604"
64ad53ff 1968 disable altivec
9dbd5c3d 1969 ;;
56348891 1970 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1971 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1972 disable altivec
9dbd5c3d 1973 ;;
56348891 1974 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1975 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1976 ;;
56348891 1977 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1978 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1979 ;;
56348891 1980 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1981 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1982 ;;
56348891 1983 cell)
9dbd5c3d
MR
1984 cpuflags="-mcpu=cell"
1985 enable ldbrx
1986 ;;
7b0b81a1
AL
1987 e500v2)
1988 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1989 disable altivec
1990 ;;
1991 e500)
1992 cpuflags="-mcpu=8540 -mhard-float"
1993 disable altivec
1994 ;;
9dbd5c3d 1995 esac
343aef9b
MR
1996
1997elif enabled x86; then
1998
9dbd5c3d
MR
1999 case $cpu in
2000 i[345]86|pentium)
2001 cpuflags="-march=$cpu"
2002 disable mmx
2003 ;;
2004 # targets that do NOT support conditional mov (cmov)
2005 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2006 cpuflags="-march=$cpu"
2007 disable cmov
2008 ;;
2009 # targets that do support conditional mov (cmov)
2010 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2011 cpuflags="-march=$cpu"
2012 enable cmov
2013 enable fast_cmov
2014 ;;
2015 # targets that do support conditional mov but on which it's slow
2016 pentium4|pentium4m|prescott|nocona)
2017 cpuflags="-march=$cpu"
2018 enable cmov
2019 disable fast_cmov
2020 ;;
2021 esac
343aef9b
MR
2022
2023elif enabled sparc; then
2024
9dbd5c3d
MR
2025 case $cpu in
2026 sparc64)
2027 cpuflags="-mcpu=v9"
2028 ;;
2029 esac
343aef9b
MR
2030
2031elif enabled arm; then
2032
34ba23c9
MR
2033 case $cpu in
2034 armv*)
2035 cpuflags="-march=$cpu"
2036 ;;
2037 *)
2038 cpuflags="-mcpu=$cpu"
2039 ;;
2040 esac
343aef9b
MR
2041
2042elif enabled alpha; then
2043
34ba23c9 2044 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2045
2046elif enabled bfin; then
2047
34ba23c9 2048 cpuflags="-mcpu=$cpu"
343aef9b
MR
2049
2050elif enabled mips; then
2051
34ba23c9 2052 cpuflags="-march=$cpu"
343aef9b
MR
2053
2054elif enabled avr32; then
2055
9dbd5c3d
MR
2056 case $cpu in
2057 ap7[02]0[0-2])
2058 subarch="avr32_ap"
2059 cpuflags="-mpart=$cpu"
2060 ;;
2061 ap)
2062 subarch="avr32_ap"
2063 cpuflags="-march=$cpu"
2064 ;;
2065 uc3[ab]*)
2066 subarch="avr32_uc"
2067 cpuflags="-mcpu=$cpu"
2068 ;;
2069 uc)
2070 subarch="avr32_uc"
2071 cpuflags="-march=$cpu"
2072 ;;
2073 esac
df5cdc24 2074
343aef9b
MR
2075fi
2076
df5cdc24
MR
2077add_cflags $cpuflags
2078add_asflags $cpuflags
2079
993f2d0f
MR
2080# compiler sanity check
2081check_exec <<EOF
2082int main(void){ return 0; }
2083EOF
2084if test "$?" != 0; then
2085 echo "$cc is unable to create an executable file."
2086 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2087 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2088 echo "Only do this if you know what cross compiling means."
2089 fi
2090 die "C compiler test failed."
2091fi
2092
38a9c529 2093add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2094check_cflags -std=c99
50a334e4 2095check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2096#include <stdlib.h>
2097EOF
50a334e4 2098check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2099#include <stdlib.h>
2100EOF
e9b9a2f8 2101
f0125de9
MR
2102check_host_cflags -std=c99
2103
b24dbcbd 2104case "$arch" in
e939cedd 2105 alpha|ia64|mips|parisc|sparc)
8a3c8627 2106 spic=$shared
b24dbcbd 2107 ;;
e939cedd 2108 x86)
cfdb6148 2109 subarch="x86_32"
e939cedd 2110 check_cc <<EOF && subarch="x86_64"
58b3536d 2111 int test[(int)sizeof(char*) - 7];
cfdb6148 2112EOF
de27f4d9 2113 if test "$subarch" = "x86_64"; then
e939cedd 2114 spic=$shared
de27f4d9 2115 fi
b24dbcbd 2116 ;;
b24dbcbd
RP
2117esac
2118
343aef9b 2119enable $subarch
8a3c8627 2120enabled spic && enable pic
b24dbcbd 2121
7483e694 2122# OS specific
4f854758 2123case $target_os in
7483e694 2124 beos|haiku|zeta)
c9d19248 2125 prefix_default="$HOME/config"
7483e694 2126 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 2127 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
2128 case "$gcc_version" in
2129 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2130 disable mmx
2131 ;;
2132 *20010315*) echo "BeBits gcc"
0f010b2f 2133 add_cflags -fno-expensive-optimizations
7483e694
DB
2134 ;;
2135 esac
7483e694
DB
2136 SHFLAGS=-nostart
2137 # enable BeOS things
2138 enable audio_beos
2139 # no need for libm, but the inet stuff
2140 # Check for BONE
2141 # XXX: actually should check for NOT net_server
78fe7631 2142 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
2143 network_extralibs="-lbind -lsocket"
2144 else
2145 enable beos_netserver
2146 network_extralibs="-lnet"
2147 fi ;;
2148 sunos)
2149 FFSERVERLDFLAGS=""
9987769a 2150 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2151 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2152 network_extralibs="-lsocket -lnsl"
50a334e4 2153 add_cppflags -D__EXTENSIONS__
8182dc34 2154 nm_opts='-P -g'
7483e694
DB
2155 ;;
2156 netbsd)
07a8eef6
MR
2157 oss_indev_extralibs="-lossaudio"
2158 oss_outdev_extralibs="-lossaudio"
2138dc99 2159 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2160 ;;
2161 openbsd)
89e053f8 2162 enable malloc_aligned
7c4a001a
MR
2163 # On OpenBSD 4.5. the compiler does not use PIC unless
2164 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2165 # however the generated executable will not do anything
2166 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2167 # Thus explicitly enable PIC here.
cd78208b 2168 enable pic
7483e694 2169 SHFLAGS='-shared'
07a8eef6
MR
2170 oss_indev_extralibs="-lossaudio"
2171 oss_outdev_extralibs="-lossaudio"
7483e694 2172 ;;
90b4f091 2173 freebsd|dragonfly)
89e053f8 2174 enable malloc_aligned
7483e694
DB
2175 ;;
2176 bsd/os)
2177 osextralibs="-lpoll -lgnugetopt"
2178 strip="strip -d"
2179 ;;
2180 darwin)
89e053f8 2181 enable malloc_aligned
0138c54e 2182 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2183 strip="strip -x"
2184 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2185 SLIBSUF=".dylib"
2186 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2187 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2188 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2189 objformat="macho"
1b0f6fb8 2190 enabled x86_64 && objformat="macho64"
8dfa86f7 2191 enabled_any pic shared ||
2704bd1a 2192 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2193 ;;
2194 mingw32*)
9d3f4f50 2195 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2196 disable network
2197 else
2198 target_os=mingw32
2199 fi
dcc01c06 2200 LIBTARGET=i386
1fc9fb8a 2201 if enabled x86_64; then
89e053f8 2202 enable malloc_aligned
dcc01c06 2203 LIBTARGET=x64
336cc1b0
MS
2204 elif enabled arm; then
2205 LIBTARGET=arm
dcc01c06 2206 fi
fbd971a4 2207 shlibdir_default="$bindir_default"
7483e694
DB
2208 disable ffserver
2209 SLIBPREF=""
2210 SLIBSUF=".dll"
7483e694
DB
2211 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2212 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2213 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2214 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2215 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2216 install -d "$(LIBDIR)"; \
2217 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2218 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2219 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2220 objformat="win32"
bc574408 2221 enable dos_paths
1894e741 2222 check_cflags -fno-common
b1549d61 2223 if ! enabled x86_64; then
f7ad5aa2
RP
2224 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2225 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2226 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2227 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2228 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2229 fi
7483e694
DB
2230 ;;
2231 cygwin*)
4f854758 2232 target_os=cygwin
fbd971a4 2233 shlibdir_default="$bindir_default"
7483e694
DB
2234 SLIBPREF="cyg"
2235 SLIBSUF=".dll"
2236 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2237 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2238 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2239 objformat="win32"
bc574408 2240 enable dos_paths
1894e741 2241 check_cflags -fno-common
7483e694 2242 ;;
4f365f37 2243 *-dos|freedos|opendos)
fdf11906 2244 disable ffplay ffserver
4f365f37
MK
2245 disable $INDEV_LIST $OUTDEV_LIST
2246 network_extralibs="-lsocket"
ff1c015d 2247 objformat="coff"
bc574408 2248 enable dos_paths
4f365f37 2249 ;;
7483e694 2250 linux)
7483e694
DB
2251 enable dv1394
2252 ;;
2253 irix*)
4f854758 2254 target_os=irix
7483e694
DB
2255 ranlib="echo ignoring ranlib"
2256 ;;
d22e8442 2257 os/2*)
d22e8442
DY
2258 strip="lxlite"
2259 ln_s="cp -f"
d22e8442 2260 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2261 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2262 FFSERVERLDFLAGS=""
287d3b13 2263 LIBSUF="_s.a"
d22e8442
DY
2264 SLIBPREF=""
2265 SLIBSUF=".dll"
2266 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2267 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2268 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2269 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2270 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2271 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2272 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2273 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2274 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2275 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2276 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2277 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2278 enable dos_paths
d22e8442 2279 ;;
83993c1c
AM
2280 gnu/kfreebsd)
2281 ;;
34e82167 2282 gnu)
34e82167 2283 ;;
614d8911
MR
2284 none)
2285 ;;
7483e694 2286 *)
4f924f9a 2287 die "Unknown OS '$target_os'."
7483e694
DB
2288 ;;
2289esac
2290
13cb2187
AS
2291check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2292
c9d19248
MR
2293set_default $PATHS_LIST
2294
c597172e 2295add_extralibs $osextralibs
de6d9b64 2296
28d8e661
DB
2297# Combine FFLDFLAGS and the LDFLAGS environment variable.
2298LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2299
320d060a 2300# we need to build at least one lib type
93b3c083 2301if ! enabled_any static shared; then
320d060a
DB
2302 cat <<EOF
2303At least one library type must be built.
2304Specify --enable-static to build the static libraries or --enable-shared to
2305build the shared libraries as well. To only build the shared libraries specify
2306--disable-static in addition to --enable-shared.
2307EOF
2308 exit 1;
2309fi
2310
abc4e572 2311disabled static && LIBNAME=""
2a320695 2312
a2234ceb
RP
2313if enabled_any libfaad libfaadbin ; then
2314 if check_header faad.h; then
295b8c70 2315 check_cc <<EOF
a2234ceb
RP
2316#include <faad.h>
2317#ifndef FAAD2_VERSION
2318ok faad1
2319#endif
db817cf3 2320int main(void) { return 0; }
a2234ceb
RP
2321EOF
2322 test $? = 0 && enable libfaad2
2323 else
ff3dac65 2324 die "FAAD test failed."
a2234ceb
RP
2325 fi
2326fi
2327
2328
2184c6f7 2329die_license_disabled() {
4c27207c 2330 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2331}
2332
2333die_license_disabled gpl libfaad2
2334die_license_disabled gpl libx264
2335die_license_disabled gpl libxvid
2336die_license_disabled gpl postproc
2337die_license_disabled gpl x11grab
2338
2f7ae63b 2339die_license_disabled nonfree libfaac
b2e3c528 2340
0b175caa
DB
2341die_license_disabled version3 libopencore_amrnb
2342die_license_disabled version3 libopencore_amrwb
2343
9cad0e4e 2344enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2345
9eeed841 2346check_deps $ARCH_EXT_LIST
0f3cb305 2347
40617a6d 2348disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2349
e276d9e8
MR
2350enable_pic() {
2351 enable pic
bce7b696
MR
2352 add_cppflags -DPIC
2353 add_cflags -fPIC
2354 add_asflags -fPIC
e276d9e8
MR
2355}
2356
2357enabled pic && enable_pic
bce7b696 2358
b4d96ba2
MR
2359check_cc <<EOF || die "Symbol mangling check failed."
2360int ff_extern;
2361EOF
8182dc34 2362sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2363extern_prefix=${sym%%ff_extern*}
2364
f65883c8
MR
2365check_cc <<EOF && enable inline_asm
2366void foo(void) { __asm__ volatile ("" ::); }
2367EOF
61d251db 2368
df5e3978
MR
2369_restrict=
2370for restrict_keyword in restrict __restrict__ __restrict; do
2371 check_cc <<EOF && _restrict=$restrict_keyword && break
2372void foo(char * $restrict_keyword p);
2373EOF
2374done
2375
2376check_cc <<EOF && enable attribute_packed
2377struct { int x; } __attribute__((packed)) x;
2378EOF
2379
dffb41b9
MR
2380check_cc <<EOF && enable attribute_may_alias
2381union { int x; } __attribute__((may_alias)) x;
2382EOF
2383
df5e3978
MR
2384check_cc <<EOF || die "endian test failed"
2385unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2386EOF
48fc536a 2387od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2388
e939cedd
MR
2389if enabled alpha; then
2390
2391 check_cflags -mieee
2392
2393elif enabled arm; then
e45391bb 2394
50fa82e6
MR
2395 check_cflags -marm
2396
fa0912fe
MR
2397 check_ld <<EOF && enable vfp_args
2398__asm__ (".eabi_attribute 28, 1");
2399int main(void) { return 0; }
2400EOF
2401
2402 # We have to check if pld is a nop and disable it.
2403 check_asm pld '"pld [r0]"'
2404
2405 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2406 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2407 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2408 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2409 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2410 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2411
e276d9e8
MR
2412 enabled_all armv6t2 shared !pic && enable_pic
2413
e939cedd
MR
2414elif enabled ia64; then
2415
2416 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2417 enabled shared && enable_weak hardcoded_tables
2418
fa0912fe 2419elif enabled mips; then
e45391bb 2420
fa0912fe
MR
2421 check_asm loongson '"dmult.g $1, $2, $3"'
2422 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2423
fa0912fe 2424elif enabled ppc; then
e45391bb 2425
e6a0c354
MR
2426 enable local_aligned_8 local_aligned_16
2427
fa0912fe
MR
2428 check_asm dcbzl '"dcbzl 0, 1"'
2429 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2430 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2431
2432 # AltiVec flags: The FSF version of GCC differs from the Apple version
2433 if enabled altivec; then
2434 check_cflags -maltivec -mabi=altivec &&
2435 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2436 check_cflags -faltivec
2437
2438 # check if our compiler supports Motorola AltiVec C API
2439 check_cc <<EOF || disable altivec
2440$inc_altivec_h
2441int main(void) {
2442 vector signed int v1, v2, v3;
2443 v1 = vec_add(v2,v3);
2444 return 0;
2445}
2446EOF
2447
2448 # check if our compiler supports braces for vector declarations
2449 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2450$inc_altivec_h
2451int main (void) { (vector int) {1}; return 0; }
2452EOF
2453 fi
e45391bb 2454
fa0912fe 2455elif enabled sparc; then
e45391bb 2456
fa0912fe
MR
2457 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2458 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2459
fa0912fe 2460elif enabled x86; then
e45391bb 2461
e6a0c354
MR
2462 enable local_aligned_8 local_aligned_16
2463
44965991
PI
2464 # check whether EBP is available on x86
2465 # As 'i' is stored on the stack, this program will crash
2466 # if the base pointer is used to access it because the
2467 # base pointer is cleared in the inline assembly code.
7dfef245 2468 check_exec_crash <<EOF && enable ebp_available
44965991 2469 volatile int i=0;
be449fca 2470 __asm__ volatile (
44965991
PI
2471 "xorl %%ebp, %%ebp"
2472 ::: "%ebp");
2473 return i;
44965991
PI
2474EOF
2475
f494213c 2476 # check whether EBX is available on x86
7cee5421
MR
2477 check_asm ebx_available '""::"b"(0)' &&
2478 check_asm ebx_available '"":::"%ebx"'
8e380710 2479
d3a4b4e0
DB
2480 # check whether more than 10 operands are supported
2481 check_cc <<EOF && enable ten_operands
2482int main(void) {
2483 int x=0;
2484 __asm__ volatile(
2485 ""
2486 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2487 );
2488 return 0;
2489}
2490EOF
2491
d7f0920b 2492 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2493 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2494 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2495
2496 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2497
d52481b9 2498 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2499 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2500 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2501 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2502 case "$objformat" in
2503 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2504 esac
7595a5e4 2505 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2506
669b5583
MR
2507 case "$cpu" in
2508 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2509 disable fast_clz
2510 ;;
2511 esac
2512
44965991
PI
2513fi
2514
a98bb16d
RP
2515if check_func dlopen; then
2516 ldl=
2517elif check_func dlopen -ldl; then
2518 ldl=-ldl
8bf5d58f
MN
2519fi
2520
75ecf149
DB
2521# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2522check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2523
7483e694 2524check_func fork
84882df6 2525check_func getaddrinfo $network_extralibs
7483e694
DB
2526check_func gethrtime
2527check_func getrusage
fc5607f8 2528check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2529check_func inet_aton $network_extralibs
abfc8d05 2530check_func isatty
4ae40685 2531check_func ${malloc_prefix}memalign && enable memalign
7483e694 2532check_func mkstemp
4ae40685 2533check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2534check_func setrlimit
87958234 2535check_func strerror_r
b507ebd1 2536check_func_headers io.h setmode
e4673692 2537check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2538check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2539check_func_headers windows.h GetProcessTimes
7c5bfe7a 2540check_func_headers windows.h VirtualAlloc
6ffa87d3 2541
e16e49ac 2542check_header conio.h
a98bb16d 2543check_header dlfcn.h
92c6a099 2544check_header dxva2api.h
a98bb16d 2545check_header malloc.h
bf6ce82d 2546check_header poll.h
b58412f1 2547check_header sys/mman.h
b091aa44 2548check_header sys/resource.h
bf6ce82d 2549check_header sys/select.h
a98bb16d 2550check_header termios.h
272081b0
CEH
2551check_header vdpau/vdpau.h
2552check_header vdpau/vdpau_x11.h
68178ca9 2553check_header X11/extensions/XvMClib.h
a98bb16d 2554
9104cd51
RP
2555check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2556
89e053f8
MR
2557if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2558 enabled_any $need_memalign ; then
1f91cdce 2559 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2560fi
e16e49ac 2561
a4fa192c 2562disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2563disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2564
2565# check for some common methods of building with pthread support
2566# do this before the optional library checks as some of them require pthreads
2567if enabled pthreads; then
9e7fd101
MR
2568 if check_func pthread_create; then
2569 :
2570 elif check_func pthread_create -pthread; then
2571 add_cflags -pthread
afc9aee2 2572 add_extralibs -pthread
9e7fd101
MR
2573 elif check_func pthread_create -pthreads; then
2574 add_cflags -pthreads
afc9aee2 2575 add_extralibs -pthreads
8d94f606
GT
2576 elif check_func pthread_create -lpthreadGC2; then
2577 add_extralibs -lpthreadGC2
9e7fd101
MR
2578 elif ! check_lib pthread.h pthread_create -lpthread; then
2579 die "ERROR: can't find pthreads library"
2580 fi
57bd82d4
MR
2581fi
2582
8eee7025 2583for thread in $THREADS_LIST; do
e5f94c2b 2584 if enabled $thread; then
3ae3b721
RP
2585 test -n "$thread_type" &&
2586 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2587 thread_type="$thread"
e5f94c2b
RP
2588 fi
2589done
2590
fdf88598 2591check_lib math.h sin -lm
ff418735 2592check_lib va/va.h vaInitialize -lva
fdf88598 2593
645d2652
MR
2594check_mathfunc exp2
2595check_mathfunc exp2f
2596check_mathfunc llrint
2597check_mathfunc log2
2598check_mathfunc log2f
2599check_mathfunc lrint
2600check_mathfunc lrintf
2601check_mathfunc round
2602check_mathfunc roundf
2603check_mathfunc truncf
f32adb22 2604
57bd82d4 2605# these are off by default, so fail if requested and not available
a1b3c5a3 2606enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2607enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2608 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2609 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2610enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2611enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
5af41508 2612enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2613enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2614enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2615enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2616enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2617enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
0f943ce6 2618enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init -lrtmp
36718e51
DB
2619enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2620 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2621enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2622enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2623enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
e69bb386 2624enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
76d81909
JGG
2625 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2626 die "ERROR: libx264 version must be >= 0.83."; }
2bfecf73 2627enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2628enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2629
0b4a1821
AS
2630# libdc1394 check
2631if enabled libdc1394; then
2632 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2633 enable libdc1394_2; } ||
2634 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2635 enable libdc1394_1; } ||
2636 die "ERROR: No version of libdc1394 found "
2637fi
2638
6a1a892f 2639SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2640if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2641 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2642 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2643 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2644 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2645 enable sdl &&
2646 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2647fi
57bd82d4 2648
2270b4b2 2649texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2650
73b46a95 2651if enabled network; then
96000432 2652 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2653 check_type netdb.h "struct addrinfo"
b4d68544
MS
2654 check_type netinet/in.h "struct ipv6_mreq"
2655 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2656 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2657 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2658 # Prefer arpa/inet.h over winsock2
2659 if check_header arpa/inet.h ; then
2660 check_func closesocket
2661 elif check_header winsock2.h ; then
f4c13872
MS
2662 check_func_headers winsock2.h closesocket -lws2 && \
2663 network_extralibs="-lws2" || \
2664 { check_func_headers winsock2.h closesocket -lws2_32 && \
2665 network_extralibs="-lws2_32"; }
72be9e73 2666 check_type ws2tcpip.h socklen_t
c0018613 2667 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2668 check_type ws2tcpip.h "struct ipv6_mreq"
2669 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2670 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2671 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2672 else
2673 disable network
73b46a95
RP
2674 fi
2675fi
2676
06e31011
RP
2677check_header linux/videodev.h
2678check_header linux/videodev2.h
1b6e8b73 2679check_header sys/videoio.h
47f38850 2680
27796dc3 2681check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2682
f8aa696f 2683# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2684{ check_header dev/bktr/ioctl_meteor.h &&
2685 check_header dev/bktr/ioctl_bt848.h; } ||
2686{ check_header machine/ioctl_meteor.h &&
2687 check_header machine/ioctl_bt848.h; } ||
2688{ check_header dev/video/meteor/ioctl_meteor.h &&
2689 check_header dev/video/bktr/ioctl_bt848.h; } ||
2690check_header dev/ic/bt8xx.h
f8aa696f 2691
c7682de0
RP
2692check_header sys/soundcard.h
2693check_header soundcard.h
deb29777 2694
b6f3d925 2695enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2696
0e57fe17 2697enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2698
56a059ac 2699enabled x11grab &&
f58f4ce1
GP
2700check_header X11/Xlib.h &&
2701check_header X11/extensions/XShm.h &&
0a045661 2702check_header X11/extensions/Xfixes.h &&
f58f4ce1 2703check_func XOpenDisplay -lX11 &&
781c1aa6
R
2704check_func XShmCreateImage -lX11 -lXext &&
2705check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2706
598ef02b 2707if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2708check_cpp_condition \
2709 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2710 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2711 disable vdpau; }
abf649c7 2712fi
deda2a4a 2713
95e561ec 2714enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2715
2716# add some useful compiler flags if supported
2717check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2718check_cflags -Wall
2719check_cflags -Wno-switch
c07bd6a9
MN
2720check_cflags -Wdisabled-optimization
2721check_cflags -Wpointer-arith
2722check_cflags -Wredundant-decls
cc1fb623 2723check_cflags -Wno-pointer-sign
f4929996 2724check_cflags -Wcast-qual
9aceb3cf 2725check_cflags -Wwrite-strings
652a5bf6 2726check_cflags -Wtype-limits
764551c6 2727check_cflags -Wundef
fc298fd9 2728check_cflags -Wmissing-prototypes
5af4e0cc 2729enabled extra_warnings && check_cflags -Winline
cf9d24ad 2730
57bd82d4 2731# add some linker flags
5c0e9479 2732check_ldflags -Wl,--warn-common
8351d2ba
DB
2733check_ldflags -Wl,--as-needed
2734check_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 2735check_ldflags -Wl,-Bsymbolic
94a3401e 2736
a482e61b
MR
2737echo "X{};" > $TMPV
2738test_ldflags -Wl,--version-script,$TMPV &&
2739 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2740
bd2216e4 2741if enabled small; then
14ca9cd0 2742 add_cflags $size_cflags
8400d6b8
DB
2743 optimizations="small"
2744elif enabled optimizations; then
14ca9cd0 2745 add_cflags $speed_cflags
cddf3f45 2746fi
11fdbc44 2747check_cflags -fno-math-errno
b2eb2ff0 2748check_cflags -fno-signed-zeros
cddf3f45 2749
629687f6 2750if enabled icc; then
b1598b58
MR
2751 # Just warnings, no remarks
2752 check_cflags -w1
2753 # -wd: Disable following warnings
2754 # 144, 167, 556: -Wno-pointer-sign
2755 # 10006: ignoring unknown option -fno-signed-zeros
2756 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2757 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2758 # 11030: Warning unknown option --as-needed
2759 # 10156: ignoring option '-export'; no argument required
2760 check_ldflags -wd10156,11030
2761 # Allow to compile with optimizations
2762 check_ldflags -march=$cpu
be2cf98a
CEH
2763 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2764 enable ebp_available
df442a8d
MR
2765elif enabled ccc; then
2766 # disable some annoying warnings
2767 add_cflags -msg_disable cvtu32to64
2768 add_cflags -msg_disable embedcomment
2769 add_cflags -msg_disable needconstext
2770 add_cflags -msg_disable nomainieee
2771 add_cflags -msg_disable ptrmismatch1
2772 add_cflags -msg_disable unreachcode
973859f5
MR
2773elif enabled gcc; then
2774 check_cflags -fno-tree-vectorize
62df111c 2775 check_cflags -Werror=implicit
de63bfec 2776 check_cflags -Werror=missing-prototypes
06da6943
DC
2777elif enabled clang; then
2778 check_cflags -Qunused-arguments
138132be
MR
2779elif enabled armcc; then
2780 # 2523: use of inline assembler is deprecated
2781 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2782 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2783elif enabled tms470; then
2784 add_cflags -pds=824 -pds=837
504a64b9
CEH
2785fi
2786
90be59ef 2787if enabled gprof; then
0f010b2f
DB
2788 add_cflags -p
2789 add_ldflags -p
1db54e20
DB
2790fi
2791
7f3c02fc 2792# Find out if the .align argument is a power of two or not.
9377b6ce 2793check_asm asmalign_pot '".align 3"'
4454dc1b 2794
7483e694
DB
2795enabled_any $DECODER_LIST && enable decoders
2796enabled_any $ENCODER_LIST && enable encoders
5666fd73 2797enabled_any $HWACCEL_LIST && enable hwaccels
7483e694
DB
2798enabled_any $BSF_LIST && enable bsfs
2799enabled_any $DEMUXER_LIST && enable demuxers
2800enabled_any $MUXER_LIST && enable muxers
f7679c54 2801enabled_any $FILTER_LIST && enable filters
63d72fda
DB
2802enabled_any $INDEV_LIST && enable indevs
2803enabled_any $OUTDEV_LIST && enable outdevs
7483e694
DB
2804enabled_any $PROTOCOL_LIST && enable protocols
2805
2806enabled_any $THREADS_LIST && enable threads
2807
2808check_deps $CONFIG_LIST \
b6bb00b0 2809 $CONFIG_EXTRA \
7483e694
DB
2810 $HAVE_LIST \
2811 $DECODER_LIST \
2812 $ENCODER_LIST \
5666fd73 2813 $HWACCEL_LIST \
7483e694
DB
2814 $PARSER_LIST \
2815 $BSF_LIST \
2816 $DEMUXER_LIST \
2817 $MUXER_LIST \
f7679c54 2818 $FILTER_LIST \
7483e694
DB
2819 $INDEV_LIST \
2820 $OUTDEV_LIST \
2821 $PROTOCOL_LIST \
f70f03f6 2822
c8a4ae00
MR
2823enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2824
3e89171a 2825echo "install prefix $prefix"
f36958f8
DB
2826echo "source path $source_path"
2827echo "C compiler $cc"
bfd5afd8 2828echo ".align is power-of-two $asmalign_pot"
f36958f8 2829echo "ARCH $arch ($cpu)"
ce8871c2
MR
2830if test "$build_suffix" != ""; then
2831 echo "build suffix $build_suffix"
eb94aca9 2832fi
ac63af34
DB
2833if test "$extra_version" != ""; then
2834 echo "version string suffix $extra_version"
2835fi
0db2ce77 2836echo "big-endian ${bigendian-no}"
e90f5b5a 2837echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2838if enabled x86; then
af44e8e4 2839 echo "yasm ${yasm-no}"
0db2ce77 2840 echo "MMX enabled ${mmx-no}"
30e98e62 2841 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2842 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2843 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2844 echo "SSE enabled ${sse-no}"
30e98e62 2845 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2846 echo "CMOV enabled ${cmov-no}"
2847 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2848 echo "EBX available ${ebx_available-no}"
2849 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2850 echo "10 operands supported ${ten_operands-no}"
e41e8342 2851fi
5b6c2cbd 2852if enabled arm; then
0db2ce77
MR
2853 echo "ARMv5TE enabled ${armv5te-no}"
2854 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2855 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2856 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2857 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2858 echo "NEON enabled ${neon-no}"
eba9ae3c 2859fi
5b6c2cbd 2860if enabled mips; then
0db2ce77 2861 echo "MMI enabled ${mmi-no}"
e41e8342 2862fi
5b6c2cbd 2863if enabled ppc; then
0db2ce77 2864 echo "AltiVec enabled ${altivec-no}"
30e98e62 2865 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2866 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2867 echo "performance report ${powerpc_perf-no}"
2868fi
2869if enabled sparc; then
2870 echo "VIS enabled ${vis-no}"
e41e8342 2871fi
0db2ce77
MR
2872echo "gprof enabled ${gprof-no}"
2873echo "debug symbols ${debug-no}"
87a0fb62 2874echo "strip symbols ${stripping-no}"
8400d6b8 2875echo "optimizations ${optimizations-no}"
0db2ce77
MR
2876echo "static ${static-no}"
2877echo "shared ${shared-no}"
4a24ab64 2878echo "postprocessing support ${postproc-no}"
f7679c54 2879echo "new filter support ${avfilter-no}"
81124ba0 2880echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2881echo "network support ${network-no}"
0db2ce77
MR
2882echo "threading support ${thread_type-no}"
2883echo "SDL support ${sdl-no}"
0db2ce77
MR
2884echo "Sun medialib support ${mlib-no}"
2885echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2886echo "libdc1394 support ${libdc1394-no}"
690bfceb 2887echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2888echo "libfaac enabled ${libfaac-no}"
2889echo "libfaad enabled ${libfaad-no}"
7e0871a7 2890echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2891echo "libgsm enabled ${libgsm-no}"
2892echo "libmp3lame enabled ${libmp3lame-no}"
2893echo "libnut enabled ${libnut-no}"
0b175caa
DB
2894echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2895echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2896echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2897echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2898echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2899echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2900echo "libtheora enabled ${libtheora-no}"
2901echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2902echo "libx264 enabled ${libx264-no}"
2903echo "libxvid enabled ${libxvid-no}"
0db2ce77 2904echo "zlib enabled ${zlib-no}"
f402916e 2905echo "bzlib enabled ${bzlib-no}"
2c62e737 2906echo
de6d9b64 2907
5666fd73 2908for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2909 echo "Enabled ${type}s:"
f65c9da1 2910 eval list=\$$(toupper $type)_LIST
8138b9db 2911 for part in $list; do
f65c9da1
MR
2912 enabled $part && echo ${part%_*}
2913 done | sort | pr -3 -t
2914 echo
8138b9db
RP
2915done
2916
ba7a7039 2917license="LGPL version 2.1 or later"
ba321adb 2918if enabled nonfree; then
ba7a7039 2919 license="nonfree and unredistributable"
9cad0e4e
DB
2920elif enabled gplv3; then
2921 license="GPL version 3 or later"
2922elif enabled lgplv3; then
2923 license="LGPL version 3 or later"
ba321adb 2924elif enabled gpl; then
ba7a7039 2925 license="GPL version 2 or later"
ba321adb
JK
2926fi
2927
2928echo "License: $license"
ca5323af 2929
cf1392e9
DB
2930echo "Creating config.mak and config.h..."
2931
df642790
MR
2932# build tree in object directory if source path is different from current one
2933if enabled source_path_used; then
2934 DIRS="
2935 doc
2936 libavcodec
2937 libavcodec/$arch
2938 libavdevice
2939 libavfilter
2940 libavformat
2941 libavutil
2942 libavutil/$arch
2943 libpostproc
2944 libswscale
2945 libswscale/$arch
2946 tests
2947 tools
2948 "
2949 FILES="
2950 Makefile
2951 common.mak
2952 subdir.mak
2953 doc/texi2pod.pl
2954 libavcodec/Makefile
43f60eba 2955 libavcodec/${arch}/Makefile
df642790
MR
2956 libavdevice/Makefile
2957 libavfilter/Makefile
2958 libavformat/Makefile
2959 libavutil/Makefile
2960 libpostproc/Makefile
2961 libswscale/Makefile
2962 "
e0e335a0 2963 map 'mkdir -p $v' $DIRS;
43f60eba 2964 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2965fi
2966
ad212cc6
MR
2967enabled stripping || strip="echo skipping strip"
2968
173c983b
MR
2969cat > config.mak <<EOF
2970# Automatically generated by configure - do not modify!
2971ifndef FFMPEG_CONFIG_MAK
2972FFMPEG_CONFIG_MAK=1
2973FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2974prefix=$prefix
2975LIBDIR=\$(DESTDIR)$libdir
2976SHLIBDIR=\$(DESTDIR)$shlibdir
2977INCDIR=\$(DESTDIR)$incdir
2978BINDIR=\$(DESTDIR)$bindir
2979DATADIR=\$(DESTDIR)$datadir
2980MANDIR=\$(DESTDIR)$mandir
2981SRC_PATH="$source_path"
2982SRC_PATH_BARE=$source_path
2983BUILD_ROOT="$PWD"
2984ARCH=$arch
2985CC=$cc
2986AS=$as
2987LD=$ld
2988DEPCC=$dep_cc
2989YASM=$yasmexe
a4aea515 2990YASMDEP=$yasmexe
173c983b
MR
2991AR=$ar
2992RANLIB=$ranlib
4335125c 2993CP=cp -p
173c983b
MR
2994LN_S=$ln_s
2995STRIP=$strip
2996CPPFLAGS=$CPPFLAGS
2997CFLAGS=$CFLAGS
2998ASFLAGS=$ASFLAGS
2999CC_O=$CC_O
3000LDFLAGS=$LDFLAGS
3001FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3002SHFLAGS=$SHFLAGS
3003YASMFLAGS=$YASMFLAGS
3004BUILDSUF=$build_suffix
3005FULLNAME=$FULLNAME
3006LIBPREF=$LIBPREF
3007LIBSUF=$LIBSUF
3008LIBNAME=$LIBNAME
3009SLIBPREF=$SLIBPREF
3010SLIBSUF=$SLIBSUF
3011EXESUF=$EXESUF
3012EXTRA_VERSION=$extra_version
3013DEPFLAGS=$DEPFLAGS
3014CCDEP=$CCDEP
3015ASDEP=$ASDEP
3016CC_DEPFLAGS=$CC_DEPFLAGS
3017AS_DEPFLAGS=$AS_DEPFLAGS
3018HOSTCC=$host_cc
3019HOSTCFLAGS=$host_cflags
3020HOSTEXESUF=$HOSTEXESUF
3021HOSTLDFLAGS=$host_ldflags
3022HOSTLIBS=$host_libs
3023TARGET_EXEC=$target_exec
3024TARGET_PATH=$target_path
3025SDL_LIBS=$sdl_libs
3026SDL_CFLAGS=$sdl_cflags
3027LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3028EXTRALIBS=$extralibs
fd676deb 3029INSTALL=install
1afc4750
MR
3030LIBTARGET=${LIBTARGET}
3031SLIBNAME=${SLIBNAME}
3032SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3033SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3034SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3035SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3036SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3037SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 3038SAMPLES=$samples
173c983b 3039EOF
5a872801 3040
719c8e00
MR
3041get_version(){
3042 name=$1
3043 file=$source_path/$2
147e7692
MR
3044 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3045 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3046 lcname=$(tolower $name)
3047 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3048 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3049}
3050
147e7692
MR
3051get_version LIBSWSCALE libswscale/swscale.h
3052get_version LIBPOSTPROC libpostproc/postprocess.h
3053get_version LIBAVCODEC libavcodec/avcodec.h
3054get_version LIBAVDEVICE libavdevice/avdevice.h
3055get_version LIBAVFORMAT libavformat/avformat.h
3056get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3057get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3058
173c983b
MR
3059enabled asmalign_pot || align_shift="1 <<"
3060
3061cat > $TMPH <<EOF
3062/* Automatically generated by configure - do not modify! */
3063#ifndef FFMPEG_CONFIG_H
3064#define FFMPEG_CONFIG_H
3065#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3066#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3067#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3068#define CC_TYPE "$cc_type"
3069#define CC_VERSION $cc_version
3070#define restrict $_restrict
3071#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3072#define EXTERN_PREFIX "${extern_prefix}"
3073#define EXTERN_ASM ${extern_prefix}
3074EOF
523ef551 3075
4ae40685
MR
3076test -n "$malloc_prefix" &&
3077 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3078
523ef551 3079if enabled small || disabled optimizations; then
9a894c48 3080 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3081 echo "#define av_always_inline" >> $TMPH
3082fi
3083
3d907e22
MR
3084print_config ARCH_ $TMPH config.mak $ARCH_LIST
3085print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3086print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3087 $CONFIG_EXTRA \
7483e694
DB
3088 $DECODER_LIST \
3089 $ENCODER_LIST \
5666fd73 3090 $HWACCEL_LIST \
7483e694
DB
3091 $PARSER_LIST \
3092 $BSF_LIST \
3093 $DEMUXER_LIST \
3094 $MUXER_LIST \
f7679c54 3095 $FILTER_LIST \
7483e694
DB
3096 $PROTOCOL_LIST \
3097 $INDEV_LIST \
3098 $OUTDEV_LIST \
8ac17293 3099
9c05103f 3100echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3101echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3102
b7860763 3103# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3104cp_if_changed $TMPH config.h
3d204385 3105
a3e02a8c
MR
3106cat > $TMPH <<EOF
3107/* Generated by ffconf */
3108#ifndef AVUTIL_AVCONFIG_H
3109#define AVUTIL_AVCONFIG_H
3110EOF
3111
3112print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3113
3114echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3115
3116cp_if_changed $TMPH libavutil/avconfig.h
3117
d0674868 3118# build pkg-config files
def4272a 3119
d0674868
DB
3120pkgconfig_generate(){
3121name=$1
b0dfd108 3122shortname=${name#lib}${build_suffix}
d0674868
DB
3123comment=$2
3124version=$3
3125libs=$4
3126requires=$5
25cd5cb3 3127cat <<EOF > $name/$name.pc
3e89171a 3128prefix=$prefix
a94e666c 3129exec_prefix=\${prefix}
f2b7382c 3130libdir=$libdir
7622778e 3131includedir=$incdir
def4272a 3132
d0674868
DB
3133Name: $name
3134Description: $comment
3135Version: $version
8cd6b388 3136Requires: $(enabled shared || echo $requires)
5dcfe9f8 3137Requires.private: $(enabled shared && echo $requires)
def4272a 3138Conflicts:
8cd6b388 3139Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3140Libs.private: $(enabled shared && echo $libs)
76a448ed 3141Cflags: -I\${includedir}
def4272a 3142EOF
25cd5cb3 3143cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3144prefix=
3145exec_prefix=
46d1ff83 3146libdir=\${pcfiledir}
1d44d365 3147includedir=${source_path}
def4272a 3148
d0674868
DB
3149Name: $name
3150Description: $comment
3151Version: $version
3152Requires: $requires
def4272a 3153Conflicts:
12701f6e 3154Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3155Cflags: -I\${includedir}
3156EOF
d0674868 3157}
def4272a 3158
e426941d 3159pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3160pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3161pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3162pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3163enabled avfilter &&
46983309 3164 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3165enabled postproc &&
e426941d 3166 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3167pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"