Clarify how allocation works for the picture argument for
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
74c53c2d 57show_help(){
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58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
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
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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.
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281EOF
282 else
283cat <<EOF
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284Include the log file "$logfile" produced by configure as this will help
285solving the problem.
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286EOF
287 fi
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288 exit 1
289}
290
6c6007d6 291# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 292toupper(){
6c6007d6 293 echo "$@" | 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
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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"
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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
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322}
323
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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
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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
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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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376 for var; do
377 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
378 done
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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
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387do_enable_deep(){
388 for var; do
389 enabled $var && continue
390 eval sel="\$${var}_select"
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391 eval sgs="\$${var}_suggest"
392 pushvar var sgs
f9d328da 393 enable_deep $sel
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394 popvar sgs
395 enable_deep_weak $sgs
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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 $*
408}
409
57bd82d4 410enabled(){
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411 test "${1#!}" = "$1" && op== || op=!=
412 eval test "x\$${1#!}" $op "xyes"
44161118
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413}
414
37970ebf 415disabled(){
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MR
416 test "${1#!}" = "$1" && op== || op=!=
417 eval test "x\$${1#!}" $op "xno"
37970ebf
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418}
419
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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
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432enabled_any(){
433 for opt; do
434 enabled $opt && return 0
435 done
436}
437
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438disabled_any(){
439 for opt; do
440 disabled $opt && return 0
441 done
f7b230a7 442 return 1
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443}
444
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445set_default(){
446 for opt; do
88268e94 447 eval : \${$opt:=\$${opt}_default}
c9d19248
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448 done
449}
450
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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#!}"
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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"
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471 eval dep_ifa="\$${cfg}_if"
472 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 473
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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 $dep_ifn
476 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 477
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478 [ -n "$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
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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
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489 fi
490
799c9e9b 491 disable ${cfg}_checking
30fd06be
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492 done
493}
494
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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" >> $header
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504 echo "${pfx}${ucname}=yes" >> $makefile
505 else
b250f9c6 506 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 507 echo "!${pfx}${ucname}=yes" >> $makefile
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508 fi
509 done
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510}
511
512flags_saved(){
2270b4b2 513 (: ${SAVE_CFLAGS?}) 2> /dev/null
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514}
515
dcd479c0 516save_flags(){
57bd82d4 517 flags_saved && return
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518 SAVE_CFLAGS="$CFLAGS"
519 SAVE_LDFLAGS="$LDFLAGS"
520 SAVE_extralibs="$extralibs"
521}
522
523restore_flags(){
f5d28d10 524 flags_saved || return
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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
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557}
558
57bd82d4 559add_cflags(){
caf458dd 560 append CFLAGS $($filter_cflags "$@")
57bd82d4
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561}
562
2f2e6c7c 563add_asflags(){
caf458dd 564 append ASFLAGS $($filter_asflags "$@")
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565}
566
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567add_ldflags(){
568 append LDFLAGS "$@"
569}
570
571add_extralibs(){
572 append extralibs "$@"
573}
574
b0cfb663 575check_cmd(){
b3cb5d51 576 log "$@"
2270b4b2 577 "$@" >> $logfile 2>&1
b0cfb663
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578}
579
dcd479c0 580check_cc(){
57bd82d4 581 log check_cc "$@"
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 $TMPC
dcd479c0
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592}
593
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594check_as(){
595 log check_as "$@"
596 cat > $TMPC
597 log_file $TMPC
2f2e6c7c 598 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
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599}
600
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601check_asm(){
602 log check_asm "$@"
603 name="$1"
3784e82e 604 code="$2"
940f335a 605 shift 2
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606 disable $name
607 check_as "$@" <<EOF && enable $name
3784e82e 608void foo(void){ __asm__ volatile($code); }
940f335a
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609EOF
610}
611
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612check_yasm(){
613 log check_yasm "$@"
614 echo "$1" > $TMPS
615 log_file $TMPS
616 shift 1
617 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
618}
619
dcd479c0 620check_ld(){
57bd82d4 621 log check_ld "$@"
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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
07876e25 1055 llrintf
d96cd429
MR
1056 local_aligned_16
1057 local_aligned_8
291fd18a 1058 log2
6b7c7703 1059 log2f
85dd97ad 1060 loongson
a33cab3a 1061 lrint
c88f5d72 1062 lrintf
e4673692 1063 lzo1x_999_compress
f8aa696f
DB
1064 machine_ioctl_bt848_h
1065 machine_ioctl_meteor_h
c88f5d72
MR
1066 malloc_h
1067 memalign
6ffa87d3 1068 mkstemp
b4e806b2 1069 pld
1f91cdce 1070 posix_memalign
a33cab3a
MK
1071 round
1072 roundf
c88f5d72
MR
1073 sdl
1074 sdl_video_size
b507ebd1 1075 setmode
72be9e73 1076 socklen_t
deb29777 1077 soundcard_h
f8cda19e 1078 poll_h
0104b608 1079 setrlimit
87958234 1080 strerror_r
c0018613 1081 struct_addrinfo
b4d68544
MS
1082 struct_ipv6_mreq
1083 struct_sockaddr_in6
3b2372bf 1084 struct_sockaddr_sa_len
33a4dbdd 1085 struct_sockaddr_storage
b58412f1 1086 sys_mman_h
b091aa44 1087 sys_resource_h
81644c2e 1088 sys_select_h
deb29777 1089 sys_soundcard_h
1b6e8b73 1090 sys_videoio_h
d3a4b4e0 1091 ten_operands
e16e49ac 1092 termios_h
b265431e 1093 threads
7b04b8a0 1094 truncf
ce742de2 1095 vfp_args
7c5bfe7a 1096 VirtualAlloc
6ff3f3e7 1097 winsock2_h
cc078b5d 1098 xform_asm
304d586d 1099 yasm
0cb78cef 1100"
44161118 1101
b6bb00b0
MR
1102# options emitted with CONFIG_ prefix but not available on command line
1103CONFIG_EXTRA="
dc4f5a1c 1104 avutil
9cad0e4e
DB
1105 gplv3
1106 lgplv3
b6bb00b0
MR
1107"
1108
520cc7f1 1109CMDLINE_SELECT="
3f5b56e5 1110 $ARCH_EXT_LIST
520cc7f1 1111 $CONFIG_LIST
8eee7025 1112 $THREADS_LIST
c8a4ae00 1113 asm
db6107b6 1114 cross_compile
520cc7f1
MR
1115 debug
1116 extra_warnings
8c6afa4d 1117 logging
d2bbb2f7 1118 optimizations
87a0fb62 1119 stripping
7595a5e4 1120 yasm
520cc7f1 1121"
426be5dc
DB
1122
1123PATHS_LIST='
d156bede 1124 bindir
14a8acf1 1125 datadir
26759c44
MR
1126 incdir
1127 libdir
26759c44
MR
1128 mandir
1129 prefix
1130 shlibdir
426be5dc
DB
1131'
1132
1133CMDLINE_SET="
1134 $PATHS_LIST
1135 arch
313c46a6 1136 as
426be5dc
DB
1137 build_suffix
1138 cc
1139 cpu
1140 cross_prefix
50567afa 1141 dep_cc
ac63af34 1142 extra_version
9da6609f
MR
1143 host_cc
1144 host_cflags
1145 host_ldflags
1146 host_libs
82bb3329 1147 host_os
684b28e0 1148 ld
426be5dc 1149 logfile
4ae40685 1150 malloc_prefix
89641463 1151 nm
2fad0977 1152 samples
26759c44 1153 source_path
4f837398 1154 strip
c5200f17
MR
1155 sysinclude
1156 sysroot
a7ada2ba 1157 target_exec
26759c44 1158 target_os
a7ada2ba 1159 target_path
426be5dc 1160"
520cc7f1 1161
89f2932b
MR
1162CMDLINE_APPEND="
1163 extra_cflags
1164"
1165
912f3148
DB
1166# code dependency declarations
1167
9eeed841 1168# architecture extensions
808fa33c 1169
a2fc0f6a
MR
1170armv5te_deps="arm"
1171armv6_deps="arm"
ab5cb084 1172armv6t2_deps="arm"
a2fc0f6a
MR
1173armvfp_deps="arm"
1174iwmmxt_deps="arm"
808fa33c
MR
1175neon_deps="arm"
1176
e241ba14 1177mmi_deps="mips"
808fa33c
MR
1178
1179altivec_deps="ppc"
1180ppc4xx_deps="ppc"
1181
1182vis_deps="sparc"
1183
7f8c3d1f 1184x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1185amd3dnow_deps="mmx"
1186amd3dnowext_deps="amd3dnow"
9eeed841 1187mmx_deps="x86"
75aa95a6 1188mmx2_deps="mmx"
75aa95a6
DB
1189sse_deps="mmx"
1190ssse3_deps="sse"
9eeed841 1191
e939cedd 1192fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1193fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1194fast_unaligned_if_any="armv6 ppc x86"
669b5583 1195
89e053f8 1196need_memalign="altivec neon sse"
6fec122a 1197inline_asm_deps="!tms470"
89e053f8 1198
26fbcc85
MR
1199# subsystems
1200mdct_select="fft"
1201rdft_select="fft"
1202
5666fd73 1203# decoders / encoders / hardware accelerators
49351479 1204aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1205aac_encoder_select="mdct"
1206ac3_decoder_select="mdct ac3_parser"
f4d608e3 1207alac_encoder_select="lpc"
b781cc12 1208amrnb_decoder_select="lsp"
084cbbaa 1209atrac1_decoder_select="mdct"
26fbcc85
MR
1210atrac3_decoder_select="mdct"
1211binkaudio_dct_decoder_select="mdct rdft dct"
1212binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1213cavs_decoder_select="golomb"
26fbcc85 1214cook_decoder_select="mdct"
2eef7c62 1215cscd_decoder_suggest="zlib"
26fbcc85 1216dca_decoder_select="mdct"
e8ed9b7a 1217dnxhd_encoder_select="aandct"
2eef7c62 1218dxa_decoder_select="zlib"
baf91bb9 1219eac3_decoder_select="ac3_decoder"
84c04e25 1220eamad_decoder_select="aandct"
e8ed9b7a 1221eatgq_decoder_select="aandct"
d52b39c7 1222eatqi_decoder_select="aandct"
4f034993
MR
1223ffv1_decoder_select="golomb"
1224flac_decoder_select="golomb"
f4d608e3 1225flac_encoder_select="golomb lpc"
2eef7c62
AJ
1226flashsv_decoder_select="zlib"
1227flashsv_encoder_select="zlib"
4414137e 1228flv_decoder_select="h263_decoder"
4d4b4bd1 1229flv_encoder_select="h263_encoder"
e8ed9b7a 1230h261_encoder_select="aandct"
7f647ae0 1231h263_decoder_select="h263_parser"
e8ed9b7a 1232h263_encoder_select="aandct"
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"
17492d5e 1239h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1240h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1241imc_decoder_select="fft mdct"
4f034993
MR
1242jpegls_decoder_select="golomb"
1243jpegls_encoder_select="golomb"
e8ed9b7a 1244ljpeg_encoder_select="aandct"
4f034993 1245loco_decoder_select="golomb"
e8ed9b7a 1246mjpeg_encoder_select="aandct"
2cca233b 1247mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1248mpeg1video_encoder_select="aandct"
1249mpeg2video_encoder_select="aandct"
4414137e 1250mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1251mpeg4_encoder_select="h263_encoder"
95a61cfc 1252mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1253mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
95a61cfc 1254mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
95a61cfc 1255mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1256mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1257mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1258mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1259msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1260msmpeg4v1_encoder_select="h263_encoder"
4414137e 1261msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1262msmpeg4v2_encoder_select="h263_encoder"
4414137e 1263msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1264msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1265nellymoser_decoder_select="mdct"
1266nellymoser_encoder_select="mdct"
2eef7c62
AJ
1267png_decoder_select="zlib"
1268png_encoder_select="zlib"
b781cc12 1269qcelp_decoder_select="lsp"
26fbcc85 1270qdm2_decoder_select="mdct rdft"
a8beb22f 1271rv10_decoder_select="h263_decoder"
b2bf38b4 1272rv10_encoder_select="h263_encoder"
a8beb22f 1273rv20_decoder_select="h263_decoder"
b2bf38b4 1274rv20_encoder_select="h263_encoder"
4693b031
MR
1275rv30_decoder_select="golomb h264dsp"
1276rv40_decoder_select="golomb h264dsp"
4f034993 1277shorten_decoder_select="golomb"
b781cc12 1278sipr_decoder_select="lsp"
05aec7bb
MR
1279snow_decoder_select="dwt"
1280snow_encoder_select="aandct dwt"
4f034993
MR
1281sonic_decoder_select="golomb"
1282sonic_encoder_select="golomb"
1283sonic_ls_encoder_select="golomb"
19ecfb8a 1284svq1_encoder_select="aandct"
4693b031 1285svq3_decoder_select="golomb h264dsp"
bee2eac5 1286svq3_decoder_suggest="zlib"
4eef77c1 1287theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1288tiff_decoder_suggest="zlib"
1289tiff_encoder_suggest="zlib"
aec09a00 1290truehd_decoder_select="mlp_decoder"
2eef7c62 1291tscc_decoder_select="zlib"
b781cc12 1292twinvq_decoder_select="mdct lsp"
f95bfab0 1293vc1_decoder_select="h263_decoder"
9104cd51 1294vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1295vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1296vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1297vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1298vorbis_decoder_select="mdct"
1299vorbis_encoder_select="mdct"
e82dc4c9
DB
1300vp6a_decoder_select="vp6_decoder"
1301vp6f_decoder_select="vp6_decoder"
084cbbaa 1302wmapro_decoder_select="mdct"
26fbcc85
MR
1303wmav1_decoder_select="mdct"
1304wmav1_encoder_select="mdct"
1305wmav2_decoder_select="mdct"
1306wmav2_encoder_select="mdct"
005ad8a0 1307wmavoice_decoder_select="lsp rdft dct"
f95bfab0 1308wmv1_decoder_select="h263_decoder"
665507aa 1309wmv1_encoder_select="h263_encoder"
f95bfab0 1310wmv2_decoder_select="h263_decoder"
1746e2a9 1311wmv2_encoder_select="h263_encoder"
015f8ee0 1312wmv3_decoder_select="vc1_decoder"
f0f86627 1313wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1314wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1315wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1316zlib_decoder_select="zlib"
1317zlib_encoder_select="zlib"
1318zmbv_decoder_select="zlib"
1319zmbv_encoder_select="zlib"
30fd06be 1320
0afab17e 1321vaapi_deps="va_va_h"
c89c96e9
MR
1322vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1323
28b80940 1324# parsers
4693b031 1325h264_parser_select="golomb h264dsp"
28b80940 1326
f1e94694
DB
1327# bitstream_filters
1328aac_adtstoasc_bsf_select="aac_parser"
1329
912f3148 1330# external libraries
1b71f045 1331libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1332libdirac_encoder_deps="libdirac"
c9171a83 1333libfaac_encoder_deps="libfaac"
69ddbd1d 1334libfaad_decoder_deps="libfaad"
4ec45764 1335libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1336libgsm_decoder_deps="libgsm"
1337libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1338libgsm_ms_decoder_deps="libgsm"
1339libgsm_ms_encoder_deps="libgsm"
1cc60c47 1340libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1341libopencore_amrnb_decoder_deps="libopencore_amrnb"
1342libopencore_amrnb_encoder_deps="libopencore_amrnb"
1343libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1344libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1345libschroedinger_decoder_deps="libschroedinger"
1346libschroedinger_encoder_deps="libschroedinger"
ae14f311 1347libspeex_decoder_deps="libspeex"
150d2772 1348libtheora_encoder_deps="libtheora"
b0caf888 1349libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1350libx264_encoder_deps="libx264"
1351libxvid_encoder_deps="libxvid"
30fd06be 1352
912f3148 1353# demuxers / muxers
03a76ba9 1354ac3_demuxer_deps="ac3_parser"
647c2356 1355asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1356avisynth_demuxer_deps="avisynth"
1357dirac_demuxer_deps="dirac_parser"
5b423887 1358eac3_demuxer_select="ac3_parser"
647c2356 1359ipod_muxer_select="mov_muxer"
4e622dea
SS
1360libnut_demuxer_deps="libnut"
1361libnut_muxer_deps="libnut"
647c2356 1362matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1363matroska_demuxer_suggest="zlib bzlib"
1364mov_demuxer_suggest="zlib"
1365mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1366mp4_muxer_select="mov_muxer"
1367mpegtsraw_demuxer_select="mpegts_demuxer"
1368mxf_d10_muxer_select="mxf_muxer"
24ca518b 1369ogg_demuxer_select="golomb"
647c2356 1370psp_muxer_select="mov_muxer"
4e622dea 1371rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1372rtsp_muxer_deps="sdp_demuxer"
1373rtsp_muxer_select="rtp_muxer"
4e622dea 1374sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1375sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1376spdif_muxer_select="aac_parser"
647c2356
DB
1377tg2_muxer_select="mov_muxer"
1378tgp_muxer_select="mov_muxer"
6bdaa5f4 1379w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1380
1381# indevs / outdevs
38e54a75
SS
1382alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1383alsa_indev_extralibs="-lasound"
1384alsa_outdev_deps="alsa_asoundlib_h"
1385alsa_outdev_extralibs="-lasound"
1386audio_beos_indev_deps="audio_beos"
1387audio_beos_indev_extralibs="-lmedia -lbe"
1388audio_beos_outdev_deps="audio_beos"
1389audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1390bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1391dv1394_indev_deps="dv1394 dv_demuxer"
1392jack_indev_deps="jack_jack_h"
1393jack_indev_extralibs="-ljack"
1394libdc1394_indev_deps="libdc1394"
38e54a75
SS
1395oss_indev_deps_any="soundcard_h sys_soundcard_h"
1396oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1397v4l_indev_deps="linux_videodev_h"
1398v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1399vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1400vfwcap_indev_extralibs="-lavicap32"
38e54a75 1401x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1402x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1403
912f3148 1404# protocols
3fff6382 1405gopher_protocol_deps="network"
c08fb000 1406http_protocol_deps="network"
279a0c97 1407http_protocol_select="tcp_protocol"
cbf29889 1408rtmp_protocol_deps="tcp_protocol"
c08fb000
AB
1409rtp_protocol_deps="udp_protocol"
1410tcp_protocol_deps="network"
1411udp_protocol_deps="network"
1412
f7679c54 1413# filters
81124ba0 1414movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1415avfilter_lavf_deps="avformat"
1416
1417# libraries
1418avdevice_deps="avcodec avformat"
1419avformat_deps="avcodec"
f7679c54 1420
912f3148 1421# programs
5a0f7131
MR
1422ffmpeg_deps="avcodec avformat swscale"
1423ffplay_deps="avcodec avformat swscale sdl"
43689902 1424ffplay_select="rdft"
336ce917 1425ffprobe_deps="avcodec avformat"
5a0f7131 1426ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1427ffserver_extralibs='$ldl'
a2830dca 1428
c73f65d9 1429doc_deps="texi2html"
912f3148 1430
de6d9b64 1431# default parameters
8a608357 1432
2ba042a7 1433logfile="config.err"
8a608357
MR
1434
1435# installation paths
c9d19248
MR
1436prefix_default="/usr/local"
1437bindir_default='${prefix}/bin'
14a8acf1 1438datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1439incdir_default='${prefix}/include'
1440libdir_default='${prefix}/lib'
1441mandir_default='${prefix}/share/man'
1442shlibdir_default="$libdir_default"
8a608357
MR
1443
1444# toolchain
11e6d03a 1445ar="ar"
13c7df3d 1446cc_default="gcc"
a3d7c197 1447cc_version=\"unknown\"
9da6609f 1448host_cc_default="gcc"
11e6d03a 1449ln_s="ln -sf"
89641463 1450nm_default="nm"
11e6d03a 1451objformat="elf"
be7109c1 1452ranlib="ranlib"
4f837398 1453strip_default="strip"
11e6d03a 1454yasmexe="yasm"
8a608357 1455
8182dc34
MR
1456nm_opts='-g'
1457
8a608357 1458# machine
8d4c00ed 1459arch_default=$(uname -m)
38d0a8aa 1460cpu="generic"
8a608357 1461
8a608357 1462# OS
8d4c00ed
MR
1463target_os_default=$(tolower $(uname -s))
1464host_os=$target_os_default
8a608357 1465
8a608357 1466# configurable options
5a0f7131
MR
1467enable avcodec
1468enable avdevice
1469enable avformat
dc4f5a1c 1470enable avutil
c8a4ae00 1471enable asm
497237c7 1472enable debug
c73f65d9 1473enable doc
aa033b1e 1474enable fastdiv
497237c7
RP
1475enable ffmpeg
1476enable ffplay
336ce917 1477enable ffprobe
497237c7 1478enable ffserver
497237c7
RP
1479enable mpegaudio_hp
1480enable network
8400d6b8 1481enable optimizations
497237c7 1482enable protocols
530dc538 1483enable static
87a0fb62 1484enable stripping
5a0f7131 1485enable swscale
a9ddb5b1 1486enable swscale_alpha
8a608357 1487
8a608357 1488# build settings
9987769a 1489SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1490FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1491LIBPREF="lib"
1492LIBSUF=".a"
c5f14466
RP
1493FULLNAME='$(NAME)$(BUILDSUF)'
1494LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1495SLIBPREF="lib"
1496SLIBSUF=".so"
c5f14466 1497SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1498SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1499SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1500LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1501
7e6c86e6
MR
1502CC_O='-o $@'
1503
f0125de9 1504host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1505host_libs='-lm'
1506
9b861379 1507target_path='$(CURDIR)'
a7ada2ba 1508
0d7dca36
DB
1509# gcc stupidly only outputs the basename of targets with -MM, but we need the
1510# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1511DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1512DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1513
c597172e 1514# find source path
5e622c40 1515source_path="$(dirname "$0")"
497237c7 1516enable source_path_used
24524f36 1517if test -f configure; then
5e622c40 1518 source_path="$(pwd)"
497237c7 1519 disable source_path_used
c597172e 1520else
5e622c40 1521 source_path="$(cd "$source_path"; pwd)"
c597172e 1522 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1523 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1524 test -e "$source_path/config.h" &&
1525 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1526fi
1527
13cbe2c0 1528for v in "$@"; do
b04251c5
MR
1529 r=${v#*=}
1530 l=${v%"$r"}
1531 r=$(sh_quote "$r")
13cbe2c0
MR
1532 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1533done
c597172e 1534
73ef8980
MR
1535find_things(){
1536 thing=$1
1537 pattern=$2
1538 file=$source_path/$3
932ccf39 1539 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1540}
1541
1542ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1543DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1544HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1545PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1546BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1547MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1548DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1549OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1550INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1551PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1552FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1553
8469ae22
MR
1554for n in $COMPONENT_LIST; do
1555 v=$(toupper ${n%s})_LIST
1556 eval enable \$$v
1557 eval ${n}_if_any="\$$v"
1558done
1559
1560enable $ARCH_EXT_LIST
c597172e
MR
1561
1562die_unknown(){
1563 echo "Unknown option \"$1\"."
1564 echo "See $0 --help for available options."
1565 exit 1
1566}
1567
794f8e97 1568show_list() {
bf0c4afa
RP
1569 suffix=_$1
1570 shift
2b444ea7 1571 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1572 exit 0
1573}
1574
c597172e 1575for opt do
7483e694
DB
1576 optval="${opt#*=}"
1577 case "$opt" in
0f010b2f 1578 --extra-ldflags=*) add_ldflags $optval
7483e694 1579 ;;
0f010b2f 1580 --extra-libs=*) add_extralibs $optval
7483e694 1581 ;;
8fb1cb58 1582 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1583 ;;
40bcf4c7
BL
1584 --enable-debug=*) debuglevel="$optval"
1585 ;;
36e2dea0 1586 --disable-everything)
e0e335a0 1587 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1588 ;;
7483e694 1589 --enable-*=*|--disable-*=*)
8b93ddc3 1590 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1591 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1592 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1593 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1594 $action $(filter "$name" $list)
7483e694
DB
1595 ;;
1596 --enable-?*|--disable-?*)
5e622c40 1597 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1598 if is_in $option $COMPONENT_LIST; then
fed5d54b 1599 test $action = disable && action=unset
e3773a55
MR
1600 eval $action \$$(toupper ${option%s})_LIST
1601 elif is_in $option $CMDLINE_SELECT; then
1602 $action $option
1603 else
1604 die_unknown $opt
1605 fi
7483e694
DB
1606 ;;
1607 --list-*)
1608 NAME="${opt#--list-}"
1609 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1610 NAME=${NAME%s}
1611 eval show_list $NAME \$$(toupper $NAME)_LIST
1612 ;;
1613 --help|-h) show_help
1614 ;;
1615 *)
884a36a7 1616 optname="${opt%%=*}"
26759c44
MR
1617 optname="${optname#--}"
1618 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1619 if is_in $optname $CMDLINE_SET; then
1620 eval $optname='$optval'
1621 elif is_in $optname $CMDLINE_APPEND; then
1622 append $optname "$optval"
1623 else
1624 die_unknown $opt
1625 fi
7483e694
DB
1626 ;;
1627 esac
c597172e
MR
1628done
1629
bcea99bb
MR
1630disabled logging && logfile=/dev/null
1631
13cbe2c0 1632echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1633set >> $logfile
1634
9da6609f
MR
1635test -n "$cross_prefix" && enable cross_compile
1636
8d4c00ed
MR
1637if enabled cross_compile; then
1638 test -n "$arch" && test -n "$target_os" ||
1639 die "Must specify target arch and OS when cross-compiling"
1640fi
1641
1642set_default arch target_os
1643
adb2b908 1644ar="${cross_prefix}${ar}"
11e6d03a 1645cc_default="${cross_prefix}${cc_default}"
20e0ed95 1646nm_default="${cross_prefix}${nm_default}"
adb2b908 1647ranlib="${cross_prefix}${ranlib}"
4f837398 1648strip_default="${cross_prefix}${strip_default}"
adb2b908 1649
c5200f17
MR
1650sysinclude_default="${sysroot}/usr/include"
1651
4f837398 1652set_default cc nm strip sysinclude
9da6609f
MR
1653enabled cross_compile || host_cc_default=$cc
1654set_default host_cc
13c7df3d 1655
82bb3329
MR
1656exesuf() {
1657 case $1 in
1658 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1659 esac
1660}
1661
1662EXESUF=$(exesuf $target_os)
1663HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1664
e4e69e0b 1665# set temporary file name
a49d42c2 1666: ${TMPDIR:=$TEMPDIR}
c51fafa1 1667: ${TMPDIR:=$TMP}
a49d42c2 1668: ${TMPDIR:=/tmp}
e4e69e0b 1669
54460a83
MR
1670if ! check_cmd type mktemp; then
1671 # simple replacement for missing mktemp
1672 # NOT SAFE FOR GENERAL USE
1673 mktemp(){
1674 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1675 }
1676fi
1677
1678tmpfile(){
1679 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1680 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1681 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1682 append TMPFILES $tmp
1683 eval $1=$tmp
1684}
1685
1686trap 'rm -f -- $TMPFILES' EXIT
1687trap exit HUP INT TERM
1688
1689tmpfile TMPC .c
1690tmpfile TMPE $EXESUF
1691tmpfile TMPH .h
1692tmpfile TMPO .o
1693tmpfile TMPS .S
a482e61b 1694tmpfile TMPV .ver
54460a83
MR
1695tmpfile TMPSH .sh
1696
1697unset -f mktemp
e4e69e0b 1698
993f2d0f
MR
1699# make sure we can execute files in $TMPDIR
1700cat > $TMPSH 2>> $logfile <<EOF
1701#! /bin/sh
1702EOF
1703chmod +x $TMPSH >> $logfile 2>&1
1704if ! $TMPSH >> $logfile 2>&1; then
1705 cat <<EOF
1706Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1707variable to another directory and make sure that it is not mounted noexec.
1708EOF
1709 die "Sanity test failed."
1710fi
993f2d0f 1711
19b4c628
MR
1712filter_cflags=echo
1713filter_cppflags=echo
1714filter_asflags=echo
1715
8f0c157a 1716if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1717 cc_type=gcc
a3d7c197 1718 cc_version=__VERSION__
aef6bd1b
MR
1719 if ! $cc -dumpversion | grep -q '^2\.'; then
1720 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1721 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1722 fi
14ca9cd0
MR
1723 speed_cflags='-O3'
1724 size_cflags='-Os'
629687f6
MR
1725elif $cc --version 2>/dev/null | grep -q Intel; then
1726 cc_type=icc
6e3fa35d 1727 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1728 CC_DEPFLAGS='-MMD'
1729 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1730 speed_cflags='-O3'
1731 size_cflags='-Os'
629687f6
MR
1732elif $cc -v 2>&1 | grep -q xlc; then
1733 cc_type=xlc
6e3fa35d 1734 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1735 speed_cflags='-O5'
1736 size_cflags='-O5 -qcompact'
df442a8d
MR
1737elif $cc -V 2>/dev/null | grep -q Compaq; then
1738 cc_type=ccc
6e3fa35d 1739 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1740 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1741 debuglevel=3
df442a8d 1742 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1743 speed_cflags='-fast'
1744 size_cflags='-O1'
6a0d5493 1745elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1746 test -d "$sysroot" || die "No valid sysroot specified."
1747 cc_type=armcc
6e3fa35d 1748 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1749 armcc_conf="$PWD/armcc.conf"
1750 $cc --arm_linux_configure \
1751 --arm_linux_config_file="$armcc_conf" \
1752 --configure_sysroot="$sysroot" \
1753 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1754 die "Error creating armcc configuration file."
1755 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1756 as_default="${cross_prefix}gcc"
07dec06e
MR
1757 CC_DEPFLAGS='-MMD'
1758 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1759 speed_cflags='-O3'
1760 size_cflags='-Os'
6fec122a
MR
1761elif $cc -version 2>/dev/null | grep -q TMS470; then
1762 cc_type=tms470
6e3fa35d 1763 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1764 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1765 CC_O='-fr=$(@D)'
1766 as_default="${cross_prefix}gcc"
1767 ld_default="${cross_prefix}gcc"
6fec122a
MR
1768 TMPO=$(basename $TMPC .c).o
1769 append TMPFILES $TMPO
1770 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1771 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1772 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1773 speed_cflags='-O3 -mf=5'
1774 size_cflags='-O3 -mf=2'
6fec122a
MR
1775 filter_cflags=tms470_flags
1776 tms470_flags(){
1777 for flag; do
1778 case $flag in
1779 -march=*|-mcpu=*)
1780 case "${flag#*=}" in
1781 armv7-a|cortex-a*) echo -mv=7a8 ;;
1782 armv7-r|cortex-r*) echo -mv=7r4 ;;
1783 armv7-m|cortex-m*) echo -mv=7m3 ;;
1784 armv6*|arm11*) echo -mv=6 ;;
1785 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1786 echo -mv=5e ;;
1787 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1788 esac
1789 ;;
1790 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1791 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1792 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1793 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1794 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1795 -g) echo -g -mn ;;
587d24ff 1796 -pds=*) echo $flag ;;
6fec122a
MR
1797 esac
1798 done
1799 }
06da6943
DC
1800elif $cc -v 2>&1 | grep -q clang; then
1801 cc_type=clang
1802 cc_version=__VERSION__
1803 CC_DEPFLAGS='-MMD'
1804 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1805 speed_cflags='-O3'
1806 size_cflags='-Os'
2a472e9c
MK
1807elif $cc -V 2>&1 | grep -q Sun; then
1808 cc_type=suncc
1809 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1810 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1811 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1812 speed_cflags='-O5'
1813 size_cflags='-O5 -xspace'
03279bbe
MK
1814 filter_cflags=suncc_flags
1815 suncc_flags(){
1816 for flag; do
1817 case $flag in
1818 -march=*|-mcpu=*)
1819 case "${flag#*=}" in
1820 native) echo -xtarget=native ;;
1821 v9) echo -xarch=sparc ;;
1822 ultrasparc) echo -xarch=sparcvis ;;
1823 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1824 i586|pentium) echo -xchip=pentium ;;
1825 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1826 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1827 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1828 pentium4*) echo -xtarget=pentium4 ;;
1829 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1830 *-sse3) echo -xarch=sse3 ;;
1831 core2) echo -xarch=ssse3 -xchip=core2 ;;
1832 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1833 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1834 k8|opteron|athlon64|athlon-fx)
1835 echo -xarch=sse2a ;;
1836 athlon*) echo -xarch=pentium_proa ;;
1837 esac
1838 ;;
1839 -std=c99) echo -xc99 ;;
1840 -fomit-frame-pointer) echo -xregs=frameptr ;;
1841 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1842 -W*,*) echo $flag ;;
1843 -f*-*|-W*) ;;
1844 *) echo $flag ;;
1845 esac
1846 done
1847 }
629687f6
MR
1848fi
1849
1850test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1851
75bafbac 1852: ${as_default:=$cc}
50567afa 1853: ${dep_cc_default:=$cc}
684b28e0 1854: ${ld_default:=$cc}
50567afa 1855set_default as dep_cc ld
75800dce 1856
07dec06e
MR
1857test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1858test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1859
7f32f40c 1860add_cflags $extra_cflags
2f2e6c7c 1861add_asflags $extra_cflags
7f32f40c 1862
154d432c
MR
1863if test -n "$sysroot"; then
1864 case "$cc_type" in
1865 gcc)
467256f2 1866 add_cppflags --sysroot="$sysroot"
154d432c
MR
1867 add_ldflags --sysroot="$sysroot"
1868 ;;
6fec122a
MR
1869 tms470)
1870 add_cppflags -I"$sysinclude"
1871 add_ldflags --sysroot="$sysroot"
1872 ;;
06da6943 1873 clang)
4def700e
DC
1874 add_cppflags -isysroot "$sysroot"
1875 add_ldflags -isysroot "$sysroot"
06da6943 1876 ;;
154d432c
MR
1877 esac
1878fi
1879
d22c13a8
MR
1880if test "$cpu" = host; then
1881 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1882
1883 case "$cc_type" in
1884 gcc)
1885 check_native(){
1886 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1887 sed -n "/$1=/{
1888 s/.*$1=\\([^ ]*\\).*/\\1/
1889 p
1890 q
1891 }" $TMPE
d22c13a8
MR
1892 }
1893 cpu=$(check_native -march || check_native -mcpu)
1894 ;;
1895 esac
1896
1897 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1898fi
1899
e939cedd
MR
1900# Deal with common $arch aliases
1901case "$arch" in
1902 arm*)
1903 arch="arm"
1904 ;;
1905 mips|mipsel|IP*)
1906 arch="mips"
1907 ;;
47b1860e 1908 mips64*)
e939cedd
MR
1909 arch="mips"
1910 subarch="mips64"
1911 ;;
1912 parisc|hppa)
1913 arch="parisc"
1914 ;;
1915 parisc64|hppa64)
1916 arch="parisc"
1917 subarch="parisc64"
1918 ;;
1919 "Power Macintosh"|ppc|powerpc)
1920 arch="ppc"
1921 ;;
47b1860e 1922 ppc64|powerpc64)
e939cedd
MR
1923 arch="ppc"
1924 subarch="ppc64"
1925 ;;
1926 s390|s390x)
1927 arch="s390"
1928 ;;
1929 sh4|sh)
1930 arch="sh4"
1931 ;;
1932 sun4u|sparc64)
1933 arch="sparc"
1934 subarch="sparc64"
1935 ;;
1936 i[3-6]86|i86pc|BePC|x86_64|amd64)
1937 arch="x86"
1938 ;;
1939esac
1940
1941is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1942enable $arch
e939cedd 1943
df5cdc24 1944# Add processor-specific flags
5d54c126
MR
1945if test "$cpu" = generic; then
1946 : do nothing
1947elif enabled ppc; then
343aef9b 1948
56348891
MR
1949 case $(tolower $cpu) in
1950 601|ppc601|powerpc601)
9dbd5c3d 1951 cpuflags="-mcpu=601"
64ad53ff 1952 disable altivec
9dbd5c3d 1953 ;;
56348891 1954 603*|ppc603*|powerpc603*)
9dbd5c3d 1955 cpuflags="-mcpu=603"
64ad53ff 1956 disable altivec
9dbd5c3d 1957 ;;
56348891 1958 604*|ppc604*|powerpc604*)
9dbd5c3d 1959 cpuflags="-mcpu=604"
64ad53ff 1960 disable altivec
9dbd5c3d 1961 ;;
56348891 1962 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1963 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1964 disable altivec
9dbd5c3d 1965 ;;
56348891 1966 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1967 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1968 ;;
56348891 1969 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1970 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1971 ;;
56348891 1972 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1973 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1974 ;;
56348891 1975 cell)
9dbd5c3d
MR
1976 cpuflags="-mcpu=cell"
1977 enable ldbrx
1978 ;;
7b0b81a1
AL
1979 e500v2)
1980 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1981 disable altivec
1982 ;;
1983 e500)
1984 cpuflags="-mcpu=8540 -mhard-float"
1985 disable altivec
1986 ;;
9dbd5c3d 1987 esac
343aef9b
MR
1988
1989elif enabled x86; then
1990
9dbd5c3d
MR
1991 case $cpu in
1992 i[345]86|pentium)
1993 cpuflags="-march=$cpu"
1994 disable mmx
1995 ;;
1996 # targets that do NOT support conditional mov (cmov)
1997 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1998 cpuflags="-march=$cpu"
1999 disable cmov
2000 ;;
2001 # targets that do support conditional mov (cmov)
2002 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2003 cpuflags="-march=$cpu"
2004 enable cmov
2005 enable fast_cmov
2006 ;;
2007 # targets that do support conditional mov but on which it's slow
2008 pentium4|pentium4m|prescott|nocona)
2009 cpuflags="-march=$cpu"
2010 enable cmov
2011 disable fast_cmov
2012 ;;
2013 esac
343aef9b
MR
2014
2015elif enabled sparc; then
2016
9dbd5c3d
MR
2017 case $cpu in
2018 sparc64)
2019 cpuflags="-mcpu=v9"
2020 ;;
2021 esac
343aef9b
MR
2022
2023elif enabled arm; then
2024
34ba23c9
MR
2025 case $cpu in
2026 armv*)
2027 cpuflags="-march=$cpu"
2028 ;;
2029 *)
2030 cpuflags="-mcpu=$cpu"
2031 ;;
2032 esac
343aef9b
MR
2033
2034elif enabled alpha; then
2035
34ba23c9 2036 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2037
2038elif enabled bfin; then
2039
34ba23c9 2040 cpuflags="-mcpu=$cpu"
343aef9b
MR
2041
2042elif enabled mips; then
2043
34ba23c9 2044 cpuflags="-march=$cpu"
343aef9b
MR
2045
2046elif enabled avr32; then
2047
9dbd5c3d
MR
2048 case $cpu in
2049 ap7[02]0[0-2])
2050 subarch="avr32_ap"
2051 cpuflags="-mpart=$cpu"
2052 ;;
2053 ap)
2054 subarch="avr32_ap"
2055 cpuflags="-march=$cpu"
2056 ;;
2057 uc3[ab]*)
2058 subarch="avr32_uc"
2059 cpuflags="-mcpu=$cpu"
2060 ;;
2061 uc)
2062 subarch="avr32_uc"
2063 cpuflags="-march=$cpu"
2064 ;;
2065 esac
df5cdc24 2066
343aef9b
MR
2067fi
2068
df5cdc24
MR
2069add_cflags $cpuflags
2070add_asflags $cpuflags
2071
993f2d0f
MR
2072# compiler sanity check
2073check_exec <<EOF
2074int main(void){ return 0; }
2075EOF
2076if test "$?" != 0; then
2077 echo "$cc is unable to create an executable file."
2078 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2079 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2080 echo "Only do this if you know what cross compiling means."
2081 fi
2082 die "C compiler test failed."
2083fi
2084
38a9c529 2085add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2086check_cflags -std=c99
50a334e4 2087check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2088#include <stdlib.h>
2089EOF
50a334e4 2090check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2091#include <stdlib.h>
2092EOF
e9b9a2f8 2093
f0125de9
MR
2094check_host_cflags -std=c99
2095
b24dbcbd 2096case "$arch" in
e939cedd 2097 alpha|ia64|mips|parisc|sparc)
8a3c8627 2098 spic=$shared
b24dbcbd 2099 ;;
e939cedd 2100 x86)
cfdb6148 2101 subarch="x86_32"
e939cedd 2102 check_cc <<EOF && subarch="x86_64"
58b3536d 2103 int test[(int)sizeof(char*) - 7];
cfdb6148 2104EOF
de27f4d9 2105 if test "$subarch" = "x86_64"; then
e939cedd 2106 spic=$shared
de27f4d9 2107 fi
b24dbcbd 2108 ;;
b24dbcbd
RP
2109esac
2110
343aef9b 2111enable $subarch
8a3c8627 2112enabled spic && enable pic
b24dbcbd 2113
7483e694 2114# OS specific
4f854758 2115case $target_os in
7483e694 2116 beos|haiku|zeta)
c9d19248 2117 prefix_default="$HOME/config"
7483e694 2118 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 2119 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
2120 case "$gcc_version" in
2121 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2122 disable mmx
2123 ;;
2124 *20010315*) echo "BeBits gcc"
0f010b2f 2125 add_cflags -fno-expensive-optimizations
7483e694
DB
2126 ;;
2127 esac
7483e694
DB
2128 SHFLAGS=-nostart
2129 # enable BeOS things
2130 enable audio_beos
2131 # no need for libm, but the inet stuff
2132 # Check for BONE
2133 # XXX: actually should check for NOT net_server
78fe7631 2134 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
2135 network_extralibs="-lbind -lsocket"
2136 else
2137 enable beos_netserver
2138 network_extralibs="-lnet"
2139 fi ;;
2140 sunos)
2141 FFSERVERLDFLAGS=""
9987769a 2142 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2143 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2144 network_extralibs="-lsocket -lnsl"
50a334e4 2145 add_cppflags -D__EXTENSIONS__
8182dc34 2146 nm_opts='-P -g'
7483e694
DB
2147 ;;
2148 netbsd)
07a8eef6
MR
2149 oss_indev_extralibs="-lossaudio"
2150 oss_outdev_extralibs="-lossaudio"
2138dc99 2151 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2152 ;;
2153 openbsd)
89e053f8 2154 enable malloc_aligned
7c4a001a
MR
2155 # On OpenBSD 4.5. the compiler does not use PIC unless
2156 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2157 # however the generated executable will not do anything
2158 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2159 # Thus explicitly enable PIC here.
cd78208b 2160 enable pic
7483e694 2161 SHFLAGS='-shared'
07a8eef6
MR
2162 oss_indev_extralibs="-lossaudio"
2163 oss_outdev_extralibs="-lossaudio"
7483e694 2164 ;;
90b4f091 2165 freebsd|dragonfly)
89e053f8 2166 enable malloc_aligned
7483e694
DB
2167 ;;
2168 bsd/os)
2169 osextralibs="-lpoll -lgnugetopt"
2170 strip="strip -d"
2171 ;;
2172 darwin)
89e053f8 2173 enable malloc_aligned
0138c54e 2174 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2175 strip="strip -x"
2176 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2177 SLIBSUF=".dylib"
2178 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2179 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2180 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2181 objformat="macho"
1b0f6fb8 2182 enabled x86_64 && objformat="macho64"
8dfa86f7 2183 enabled_any pic shared ||
2704bd1a 2184 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2185 ;;
2186 mingw32*)
9d3f4f50 2187 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2188 disable network
2189 else
2190 target_os=mingw32
2191 fi
dcc01c06 2192 LIBTARGET=i386
1fc9fb8a 2193 if enabled x86_64; then
89e053f8 2194 enable malloc_aligned
dcc01c06 2195 LIBTARGET=x64
336cc1b0
MS
2196 elif enabled arm; then
2197 LIBTARGET=arm
dcc01c06 2198 fi
fbd971a4 2199 shlibdir_default="$bindir_default"
7483e694
DB
2200 disable ffserver
2201 SLIBPREF=""
2202 SLIBSUF=".dll"
7483e694
DB
2203 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2204 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2205 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2206 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2207 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2208 install -d "$(LIBDIR)"; \
2209 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2210 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2211 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2212 objformat="win32"
bc574408 2213 enable dos_paths
1894e741 2214 check_cflags -fno-common
b1549d61 2215 if ! enabled x86_64; then
f7ad5aa2
RP
2216 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2217 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2218 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2219 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2220 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2221 fi
7483e694
DB
2222 ;;
2223 cygwin*)
4f854758 2224 target_os=cygwin
fbd971a4 2225 shlibdir_default="$bindir_default"
7483e694
DB
2226 SLIBPREF="cyg"
2227 SLIBSUF=".dll"
2228 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2229 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2230 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2231 objformat="win32"
bc574408 2232 enable dos_paths
1894e741 2233 check_cflags -fno-common
7483e694 2234 ;;
4f365f37 2235 *-dos|freedos|opendos)
fdf11906 2236 disable ffplay ffserver
4f365f37
MK
2237 disable $INDEV_LIST $OUTDEV_LIST
2238 network_extralibs="-lsocket"
ff1c015d 2239 objformat="coff"
bc574408 2240 enable dos_paths
4f365f37 2241 ;;
7483e694 2242 linux)
7483e694
DB
2243 enable dv1394
2244 ;;
2245 irix*)
4f854758 2246 target_os=irix
7483e694
DB
2247 ranlib="echo ignoring ranlib"
2248 ;;
d22e8442 2249 os/2*)
d22e8442
DY
2250 strip="lxlite"
2251 ln_s="cp -f"
d22e8442 2252 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2253 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2254 FFSERVERLDFLAGS=""
287d3b13 2255 LIBSUF="_s.a"
d22e8442
DY
2256 SLIBPREF=""
2257 SLIBSUF=".dll"
2258 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2259 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2260 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2261 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2262 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2263 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2264 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2265 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2266 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2267 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2268 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2269 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2270 enable dos_paths
d22e8442 2271 ;;
83993c1c
AM
2272 gnu/kfreebsd)
2273 ;;
34e82167 2274 gnu)
34e82167 2275 ;;
614d8911
MR
2276 none)
2277 ;;
7483e694 2278 *)
4f924f9a 2279 die "Unknown OS '$target_os'."
7483e694
DB
2280 ;;
2281esac
2282
13cb2187
AS
2283check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2284
c9d19248
MR
2285set_default $PATHS_LIST
2286
c597172e 2287add_extralibs $osextralibs
de6d9b64 2288
28d8e661
DB
2289# Combine FFLDFLAGS and the LDFLAGS environment variable.
2290LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2291
320d060a 2292# we need to build at least one lib type
93b3c083 2293if ! enabled_any static shared; then
320d060a
DB
2294 cat <<EOF
2295At least one library type must be built.
2296Specify --enable-static to build the static libraries or --enable-shared to
2297build the shared libraries as well. To only build the shared libraries specify
2298--disable-static in addition to --enable-shared.
2299EOF
2300 exit 1;
2301fi
2302
abc4e572 2303disabled static && LIBNAME=""
2a320695 2304
a2234ceb
RP
2305if enabled_any libfaad libfaadbin ; then
2306 if check_header faad.h; then
295b8c70 2307 check_cc <<EOF
a2234ceb
RP
2308#include <faad.h>
2309#ifndef FAAD2_VERSION
2310ok faad1
2311#endif
db817cf3 2312int main(void) { return 0; }
a2234ceb
RP
2313EOF
2314 test $? = 0 && enable libfaad2
2315 else
ff3dac65 2316 die "FAAD test failed."
a2234ceb
RP
2317 fi
2318fi
2319
2320
2184c6f7 2321die_license_disabled() {
4c27207c 2322 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2323}
2324
2325die_license_disabled gpl libfaad2
2326die_license_disabled gpl libx264
2327die_license_disabled gpl libxvid
2328die_license_disabled gpl postproc
2329die_license_disabled gpl x11grab
2330
2f7ae63b 2331die_license_disabled nonfree libfaac
b2e3c528 2332
0b175caa
DB
2333die_license_disabled version3 libopencore_amrnb
2334die_license_disabled version3 libopencore_amrwb
2335
9cad0e4e 2336enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2337
9eeed841 2338check_deps $ARCH_EXT_LIST
0f3cb305 2339
40617a6d 2340disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2341
e276d9e8
MR
2342enable_pic() {
2343 enable pic
bce7b696
MR
2344 add_cppflags -DPIC
2345 add_cflags -fPIC
2346 add_asflags -fPIC
e276d9e8
MR
2347}
2348
2349enabled pic && enable_pic
bce7b696 2350
b4d96ba2
MR
2351check_cc <<EOF || die "Symbol mangling check failed."
2352int ff_extern;
2353EOF
8182dc34 2354sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2355extern_prefix=${sym%%ff_extern*}
2356
f65883c8
MR
2357check_cc <<EOF && enable inline_asm
2358void foo(void) { __asm__ volatile ("" ::); }
2359EOF
61d251db 2360
df5e3978
MR
2361_restrict=
2362for restrict_keyword in restrict __restrict__ __restrict; do
2363 check_cc <<EOF && _restrict=$restrict_keyword && break
2364void foo(char * $restrict_keyword p);
2365EOF
2366done
2367
2368check_cc <<EOF && enable attribute_packed
2369struct { int x; } __attribute__((packed)) x;
2370EOF
2371
dffb41b9
MR
2372check_cc <<EOF && enable attribute_may_alias
2373union { int x; } __attribute__((may_alias)) x;
2374EOF
2375
df5e3978
MR
2376check_cc <<EOF || die "endian test failed"
2377unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2378EOF
48fc536a 2379od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2380
e939cedd
MR
2381if enabled alpha; then
2382
2383 check_cflags -mieee
2384
2385elif enabled arm; then
e45391bb 2386
50fa82e6
MR
2387 check_cflags -marm
2388
fa0912fe
MR
2389 check_ld <<EOF && enable vfp_args
2390__asm__ (".eabi_attribute 28, 1");
2391int main(void) { return 0; }
2392EOF
2393
2394 # We have to check if pld is a nop and disable it.
2395 check_asm pld '"pld [r0]"'
2396
2397 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2398 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2399 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2400 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2401 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2402 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2403
e276d9e8
MR
2404 enabled_all armv6t2 shared !pic && enable_pic
2405
e939cedd
MR
2406elif enabled ia64; then
2407
2408 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2409 enabled shared && enable_weak hardcoded_tables
2410
fa0912fe 2411elif enabled mips; then
e45391bb 2412
fa0912fe
MR
2413 check_asm loongson '"dmult.g $1, $2, $3"'
2414 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2415
fa0912fe 2416elif enabled ppc; then
e45391bb 2417
e6a0c354
MR
2418 enable local_aligned_8 local_aligned_16
2419
fa0912fe
MR
2420 check_asm dcbzl '"dcbzl 0, 1"'
2421 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2422 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2423
2424 # AltiVec flags: The FSF version of GCC differs from the Apple version
2425 if enabled altivec; then
2426 check_cflags -maltivec -mabi=altivec &&
2427 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2428 check_cflags -faltivec
2429
2430 # check if our compiler supports Motorola AltiVec C API
2431 check_cc <<EOF || disable altivec
2432$inc_altivec_h
2433int main(void) {
2434 vector signed int v1, v2, v3;
2435 v1 = vec_add(v2,v3);
2436 return 0;
2437}
2438EOF
2439
2440 # check if our compiler supports braces for vector declarations
2441 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2442$inc_altivec_h
2443int main (void) { (vector int) {1}; return 0; }
2444EOF
2445 fi
e45391bb 2446
fa0912fe 2447elif enabled sparc; then
e45391bb 2448
fa0912fe
MR
2449 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2450 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2451
fa0912fe 2452elif enabled x86; then
e45391bb 2453
e6a0c354
MR
2454 enable local_aligned_8 local_aligned_16
2455
44965991
PI
2456 # check whether EBP is available on x86
2457 # As 'i' is stored on the stack, this program will crash
2458 # if the base pointer is used to access it because the
2459 # base pointer is cleared in the inline assembly code.
7dfef245 2460 check_exec_crash <<EOF && enable ebp_available
44965991 2461 volatile int i=0;
be449fca 2462 __asm__ volatile (
44965991
PI
2463 "xorl %%ebp, %%ebp"
2464 ::: "%ebp");
2465 return i;
44965991
PI
2466EOF
2467
f494213c 2468 # check whether EBX is available on x86
7cee5421
MR
2469 check_asm ebx_available '""::"b"(0)' &&
2470 check_asm ebx_available '"":::"%ebx"'
8e380710 2471
d3a4b4e0
DB
2472 # check whether more than 10 operands are supported
2473 check_cc <<EOF && enable ten_operands
2474int main(void) {
2475 int x=0;
2476 __asm__ volatile(
2477 ""
2478 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2479 );
2480 return 0;
2481}
2482EOF
2483
d7f0920b 2484 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2485 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2486 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2487
2488 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2489
d52481b9 2490 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2491 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2492 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2493 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2494 case "$objformat" in
2495 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2496 esac
7595a5e4 2497 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2498
669b5583
MR
2499 case "$cpu" in
2500 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2501 disable fast_clz
2502 ;;
2503 esac
2504
44965991
PI
2505fi
2506
a98bb16d
RP
2507if check_func dlopen; then
2508 ldl=
2509elif check_func dlopen -ldl; then
2510 ldl=-ldl
8bf5d58f
MN
2511fi
2512
75ecf149
DB
2513# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2514check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2515
7483e694 2516check_func fork
84882df6 2517check_func getaddrinfo $network_extralibs
7483e694
DB
2518check_func gethrtime
2519check_func getrusage
fc5607f8 2520check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2521check_func inet_aton $network_extralibs
abfc8d05 2522check_func isatty
4ae40685 2523check_func ${malloc_prefix}memalign && enable memalign
7483e694 2524check_func mkstemp
4ae40685 2525check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2526check_func setrlimit
87958234 2527check_func strerror_r
b507ebd1 2528check_func_headers io.h setmode
e4673692 2529check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2530check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2531check_func_headers windows.h GetProcessTimes
7c5bfe7a 2532check_func_headers windows.h VirtualAlloc
6ffa87d3 2533
e16e49ac 2534check_header conio.h
a98bb16d 2535check_header dlfcn.h
92c6a099 2536check_header dxva2api.h
a98bb16d 2537check_header malloc.h
bf6ce82d 2538check_header poll.h
b58412f1 2539check_header sys/mman.h
b091aa44 2540check_header sys/resource.h
bf6ce82d 2541check_header sys/select.h
a98bb16d 2542check_header termios.h
272081b0
CEH
2543check_header vdpau/vdpau.h
2544check_header vdpau/vdpau_x11.h
68178ca9 2545check_header X11/extensions/XvMClib.h
a98bb16d 2546
9104cd51
RP
2547check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2548
89e053f8
MR
2549if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2550 enabled_any $need_memalign ; then
1f91cdce 2551 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2552fi
e16e49ac 2553
a4fa192c 2554disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2555disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2556
2557# check for some common methods of building with pthread support
2558# do this before the optional library checks as some of them require pthreads
2559if enabled pthreads; then
9e7fd101
MR
2560 if check_func pthread_create; then
2561 :
2562 elif check_func pthread_create -pthread; then
2563 add_cflags -pthread
afc9aee2 2564 add_extralibs -pthread
9e7fd101
MR
2565 elif check_func pthread_create -pthreads; then
2566 add_cflags -pthreads
afc9aee2 2567 add_extralibs -pthreads
8d94f606
GT
2568 elif check_func pthread_create -lpthreadGC2; then
2569 add_extralibs -lpthreadGC2
9e7fd101
MR
2570 elif ! check_lib pthread.h pthread_create -lpthread; then
2571 die "ERROR: can't find pthreads library"
2572 fi
57bd82d4
MR
2573fi
2574
8eee7025 2575for thread in $THREADS_LIST; do
e5f94c2b 2576 if enabled $thread; then
3ae3b721
RP
2577 test -n "$thread_type" &&
2578 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2579 thread_type="$thread"
e5f94c2b
RP
2580 fi
2581done
2582
fdf88598 2583check_lib math.h sin -lm
ff418735 2584check_lib va/va.h vaInitialize -lva
fdf88598 2585
645d2652
MR
2586check_mathfunc exp2
2587check_mathfunc exp2f
2588check_mathfunc llrint
07876e25 2589check_mathfunc llrintf
645d2652
MR
2590check_mathfunc log2
2591check_mathfunc log2f
2592check_mathfunc lrint
2593check_mathfunc lrintf
2594check_mathfunc round
2595check_mathfunc roundf
2596check_mathfunc truncf
f32adb22 2597
57bd82d4 2598# these are off by default, so fail if requested and not available
a1b3c5a3 2599enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2600enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2601 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2602 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2603enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2604enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
5af41508 2605enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2606enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2607enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2608enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2609enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2610enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
0f943ce6 2611enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init -lrtmp
36718e51
DB
2612enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2613 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2614enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2615enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2616enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
60877ad9 2617enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
76d81909
JGG
2618 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2619 die "ERROR: libx264 version must be >= 0.83."; }
2bfecf73 2620enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2621enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2622
0b4a1821
AS
2623# libdc1394 check
2624if enabled libdc1394; then
2625 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2626 enable libdc1394_2; } ||
2627 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2628 enable libdc1394_1; } ||
2629 die "ERROR: No version of libdc1394 found "
2630fi
2631
6a1a892f 2632SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2633if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2634 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2635 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2636 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2637 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2638 enable sdl &&
2639 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2640fi
57bd82d4 2641
2270b4b2 2642texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2643
73b46a95 2644if enabled network; then
96000432 2645 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2646 check_type netdb.h "struct addrinfo"
b4d68544
MS
2647 check_type netinet/in.h "struct ipv6_mreq"
2648 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2649 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2650 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2651 # Prefer arpa/inet.h over winsock2
2652 if check_header arpa/inet.h ; then
2653 check_func closesocket
2654 elif check_header winsock2.h ; then
f4c13872
MS
2655 check_func_headers winsock2.h closesocket -lws2 && \
2656 network_extralibs="-lws2" || \
2657 { check_func_headers winsock2.h closesocket -lws2_32 && \
2658 network_extralibs="-lws2_32"; }
72be9e73 2659 check_type ws2tcpip.h socklen_t
c0018613 2660 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2661 check_type ws2tcpip.h "struct ipv6_mreq"
2662 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2663 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2664 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2665 else
2666 disable network
73b46a95
RP
2667 fi
2668fi
2669
06e31011
RP
2670check_header linux/videodev.h
2671check_header linux/videodev2.h
1b6e8b73 2672check_header sys/videoio.h
47f38850 2673
27796dc3 2674check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2675
f8aa696f 2676# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2677{ check_header dev/bktr/ioctl_meteor.h &&
2678 check_header dev/bktr/ioctl_bt848.h; } ||
2679{ check_header machine/ioctl_meteor.h &&
2680 check_header machine/ioctl_bt848.h; } ||
2681{ check_header dev/video/meteor/ioctl_meteor.h &&
2682 check_header dev/video/bktr/ioctl_bt848.h; } ||
2683check_header dev/ic/bt8xx.h
f8aa696f 2684
c7682de0
RP
2685check_header sys/soundcard.h
2686check_header soundcard.h
deb29777 2687
b6f3d925 2688enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2689
0e57fe17 2690enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2691
56a059ac 2692enabled x11grab &&
f58f4ce1
GP
2693check_header X11/Xlib.h &&
2694check_header X11/extensions/XShm.h &&
0a045661 2695check_header X11/extensions/Xfixes.h &&
f58f4ce1 2696check_func XOpenDisplay -lX11 &&
781c1aa6
R
2697check_func XShmCreateImage -lX11 -lXext &&
2698check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2699
598ef02b 2700if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2701check_cpp_condition \
2702 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2703 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2704 disable vdpau; }
abf649c7 2705fi
deda2a4a 2706
95e561ec 2707enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2708
2709# add some useful compiler flags if supported
2710check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2711check_cflags -Wall
2712check_cflags -Wno-switch
c07bd6a9
MN
2713check_cflags -Wdisabled-optimization
2714check_cflags -Wpointer-arith
2715check_cflags -Wredundant-decls
cc1fb623 2716check_cflags -Wno-pointer-sign
f4929996 2717check_cflags -Wcast-qual
9aceb3cf 2718check_cflags -Wwrite-strings
652a5bf6 2719check_cflags -Wtype-limits
764551c6 2720check_cflags -Wundef
fc298fd9 2721check_cflags -Wmissing-prototypes
5af4e0cc 2722enabled extra_warnings && check_cflags -Winline
cf9d24ad 2723
57bd82d4 2724# add some linker flags
5c0e9479 2725check_ldflags -Wl,--warn-common
8351d2ba
DB
2726check_ldflags -Wl,--as-needed
2727check_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 2728check_ldflags -Wl,-Bsymbolic
94a3401e 2729
a482e61b
MR
2730echo "X{};" > $TMPV
2731test_ldflags -Wl,--version-script,$TMPV &&
2732 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2733
bd2216e4 2734if enabled small; then
14ca9cd0 2735 add_cflags $size_cflags
8400d6b8
DB
2736 optimizations="small"
2737elif enabled optimizations; then
14ca9cd0 2738 add_cflags $speed_cflags
cddf3f45 2739fi
11fdbc44 2740check_cflags -fno-math-errno
b2eb2ff0 2741check_cflags -fno-signed-zeros
cddf3f45 2742
629687f6 2743if enabled icc; then
b1598b58
MR
2744 # Just warnings, no remarks
2745 check_cflags -w1
2746 # -wd: Disable following warnings
2747 # 144, 167, 556: -Wno-pointer-sign
2748 # 10006: ignoring unknown option -fno-signed-zeros
2749 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2750 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2751 # 11030: Warning unknown option --as-needed
2752 # 10156: ignoring option '-export'; no argument required
2753 check_ldflags -wd10156,11030
2754 # Allow to compile with optimizations
2755 check_ldflags -march=$cpu
be2cf98a
CEH
2756 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2757 enable ebp_available
df442a8d
MR
2758elif enabled ccc; then
2759 # disable some annoying warnings
2760 add_cflags -msg_disable cvtu32to64
2761 add_cflags -msg_disable embedcomment
2762 add_cflags -msg_disable needconstext
2763 add_cflags -msg_disable nomainieee
2764 add_cflags -msg_disable ptrmismatch1
2765 add_cflags -msg_disable unreachcode
973859f5
MR
2766elif enabled gcc; then
2767 check_cflags -fno-tree-vectorize
62df111c 2768 check_cflags -Werror=implicit
de63bfec 2769 check_cflags -Werror=missing-prototypes
06da6943
DC
2770elif enabled clang; then
2771 check_cflags -Qunused-arguments
138132be
MR
2772elif enabled armcc; then
2773 # 2523: use of inline assembler is deprecated
2774 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2775 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2776elif enabled tms470; then
2777 add_cflags -pds=824 -pds=837
504a64b9
CEH
2778fi
2779
90be59ef 2780if enabled gprof; then
0f010b2f
DB
2781 add_cflags -p
2782 add_ldflags -p
1db54e20
DB
2783fi
2784
7f3c02fc 2785# Find out if the .align argument is a power of two or not.
9377b6ce 2786check_asm asmalign_pot '".align 3"'
4454dc1b 2787
7483e694
DB
2788enabled_any $THREADS_LIST && enable threads
2789
2790check_deps $CONFIG_LIST \
b6bb00b0 2791 $CONFIG_EXTRA \
7483e694
DB
2792 $HAVE_LIST \
2793 $DECODER_LIST \
2794 $ENCODER_LIST \
5666fd73 2795 $HWACCEL_LIST \
7483e694
DB
2796 $PARSER_LIST \
2797 $BSF_LIST \
2798 $DEMUXER_LIST \
2799 $MUXER_LIST \
f7679c54 2800 $FILTER_LIST \
7483e694
DB
2801 $INDEV_LIST \
2802 $OUTDEV_LIST \
2803 $PROTOCOL_LIST \
f70f03f6 2804
3bfd582c 2805enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 2806
3e89171a 2807echo "install prefix $prefix"
f36958f8
DB
2808echo "source path $source_path"
2809echo "C compiler $cc"
bfd5afd8 2810echo ".align is power-of-two $asmalign_pot"
f36958f8 2811echo "ARCH $arch ($cpu)"
ce8871c2
MR
2812if test "$build_suffix" != ""; then
2813 echo "build suffix $build_suffix"
eb94aca9 2814fi
ac63af34
DB
2815if test "$extra_version" != ""; then
2816 echo "version string suffix $extra_version"
2817fi
0db2ce77 2818echo "big-endian ${bigendian-no}"
e90f5b5a 2819echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2820if enabled x86; then
af44e8e4 2821 echo "yasm ${yasm-no}"
0db2ce77 2822 echo "MMX enabled ${mmx-no}"
30e98e62 2823 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2824 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2825 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2826 echo "SSE enabled ${sse-no}"
30e98e62 2827 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2828 echo "CMOV enabled ${cmov-no}"
2829 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2830 echo "EBX available ${ebx_available-no}"
2831 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2832 echo "10 operands supported ${ten_operands-no}"
e41e8342 2833fi
5b6c2cbd 2834if enabled arm; then
0db2ce77
MR
2835 echo "ARMv5TE enabled ${armv5te-no}"
2836 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2837 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2838 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2839 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2840 echo "NEON enabled ${neon-no}"
eba9ae3c 2841fi
5b6c2cbd 2842if enabled mips; then
0db2ce77 2843 echo "MMI enabled ${mmi-no}"
e41e8342 2844fi
5b6c2cbd 2845if enabled ppc; then
0db2ce77 2846 echo "AltiVec enabled ${altivec-no}"
30e98e62 2847 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2848 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2849 echo "performance report ${powerpc_perf-no}"
2850fi
2851if enabled sparc; then
2852 echo "VIS enabled ${vis-no}"
e41e8342 2853fi
0db2ce77
MR
2854echo "gprof enabled ${gprof-no}"
2855echo "debug symbols ${debug-no}"
87a0fb62 2856echo "strip symbols ${stripping-no}"
8400d6b8 2857echo "optimizations ${optimizations-no}"
0db2ce77
MR
2858echo "static ${static-no}"
2859echo "shared ${shared-no}"
4a24ab64 2860echo "postprocessing support ${postproc-no}"
f7679c54 2861echo "new filter support ${avfilter-no}"
81124ba0 2862echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2863echo "network support ${network-no}"
0db2ce77
MR
2864echo "threading support ${thread_type-no}"
2865echo "SDL support ${sdl-no}"
0db2ce77
MR
2866echo "Sun medialib support ${mlib-no}"
2867echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2868echo "libdc1394 support ${libdc1394-no}"
690bfceb 2869echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2870echo "libfaac enabled ${libfaac-no}"
2871echo "libfaad enabled ${libfaad-no}"
7e0871a7 2872echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2873echo "libgsm enabled ${libgsm-no}"
2874echo "libmp3lame enabled ${libmp3lame-no}"
2875echo "libnut enabled ${libnut-no}"
0b175caa
DB
2876echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2877echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2878echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2879echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2880echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2881echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2882echo "libtheora enabled ${libtheora-no}"
2883echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2884echo "libx264 enabled ${libx264-no}"
2885echo "libxvid enabled ${libxvid-no}"
0db2ce77 2886echo "zlib enabled ${zlib-no}"
f402916e 2887echo "bzlib enabled ${bzlib-no}"
2c62e737 2888echo
de6d9b64 2889
5666fd73 2890for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2891 echo "Enabled ${type}s:"
f65c9da1 2892 eval list=\$$(toupper $type)_LIST
8138b9db 2893 for part in $list; do
f65c9da1
MR
2894 enabled $part && echo ${part%_*}
2895 done | sort | pr -3 -t
2896 echo
8138b9db
RP
2897done
2898
ba7a7039 2899license="LGPL version 2.1 or later"
ba321adb 2900if enabled nonfree; then
ba7a7039 2901 license="nonfree and unredistributable"
9cad0e4e
DB
2902elif enabled gplv3; then
2903 license="GPL version 3 or later"
2904elif enabled lgplv3; then
2905 license="LGPL version 3 or later"
ba321adb 2906elif enabled gpl; then
ba7a7039 2907 license="GPL version 2 or later"
ba321adb
JK
2908fi
2909
2910echo "License: $license"
ca5323af 2911
cf1392e9
DB
2912echo "Creating config.mak and config.h..."
2913
df642790
MR
2914# build tree in object directory if source path is different from current one
2915if enabled source_path_used; then
2916 DIRS="
2917 doc
2918 libavcodec
2919 libavcodec/$arch
2920 libavdevice
2921 libavfilter
2922 libavformat
2923 libavutil
2924 libavutil/$arch
2925 libpostproc
2926 libswscale
2927 libswscale/$arch
2928 tests
2929 tools
2930 "
2931 FILES="
2932 Makefile
2933 common.mak
2934 subdir.mak
2935 doc/texi2pod.pl
2936 libavcodec/Makefile
43f60eba 2937 libavcodec/${arch}/Makefile
df642790
MR
2938 libavdevice/Makefile
2939 libavfilter/Makefile
2940 libavformat/Makefile
2941 libavutil/Makefile
2942 libpostproc/Makefile
2943 libswscale/Makefile
2944 "
e0e335a0 2945 map 'mkdir -p $v' $DIRS;
43f60eba 2946 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2947fi
2948
ad212cc6
MR
2949enabled stripping || strip="echo skipping strip"
2950
173c983b
MR
2951cat > config.mak <<EOF
2952# Automatically generated by configure - do not modify!
2953ifndef FFMPEG_CONFIG_MAK
2954FFMPEG_CONFIG_MAK=1
2955FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2956prefix=$prefix
2957LIBDIR=\$(DESTDIR)$libdir
2958SHLIBDIR=\$(DESTDIR)$shlibdir
2959INCDIR=\$(DESTDIR)$incdir
2960BINDIR=\$(DESTDIR)$bindir
2961DATADIR=\$(DESTDIR)$datadir
2962MANDIR=\$(DESTDIR)$mandir
2963SRC_PATH="$source_path"
2964SRC_PATH_BARE=$source_path
2965BUILD_ROOT="$PWD"
2966ARCH=$arch
2967CC=$cc
2968AS=$as
2969LD=$ld
2970DEPCC=$dep_cc
2971YASM=$yasmexe
a4aea515 2972YASMDEP=$yasmexe
173c983b
MR
2973AR=$ar
2974RANLIB=$ranlib
4335125c 2975CP=cp -p
173c983b
MR
2976LN_S=$ln_s
2977STRIP=$strip
2978CPPFLAGS=$CPPFLAGS
2979CFLAGS=$CFLAGS
2980ASFLAGS=$ASFLAGS
2981CC_O=$CC_O
2982LDFLAGS=$LDFLAGS
2983FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2984SHFLAGS=$SHFLAGS
2985YASMFLAGS=$YASMFLAGS
2986BUILDSUF=$build_suffix
2987FULLNAME=$FULLNAME
2988LIBPREF=$LIBPREF
2989LIBSUF=$LIBSUF
2990LIBNAME=$LIBNAME
2991SLIBPREF=$SLIBPREF
2992SLIBSUF=$SLIBSUF
2993EXESUF=$EXESUF
2994EXTRA_VERSION=$extra_version
2995DEPFLAGS=$DEPFLAGS
2996CCDEP=$CCDEP
2997ASDEP=$ASDEP
2998CC_DEPFLAGS=$CC_DEPFLAGS
2999AS_DEPFLAGS=$AS_DEPFLAGS
3000HOSTCC=$host_cc
3001HOSTCFLAGS=$host_cflags
3002HOSTEXESUF=$HOSTEXESUF
3003HOSTLDFLAGS=$host_ldflags
3004HOSTLIBS=$host_libs
3005TARGET_EXEC=$target_exec
3006TARGET_PATH=$target_path
3007SDL_LIBS=$sdl_libs
3008SDL_CFLAGS=$sdl_cflags
3009LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3010EXTRALIBS=$extralibs
fd676deb 3011INSTALL=install
1afc4750
MR
3012LIBTARGET=${LIBTARGET}
3013SLIBNAME=${SLIBNAME}
3014SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3015SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3016SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3017SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3018SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3019SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 3020SAMPLES=$samples
173c983b 3021EOF
5a872801 3022
719c8e00
MR
3023get_version(){
3024 name=$1
3025 file=$source_path/$2
147e7692
MR
3026 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3027 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3028 lcname=$(tolower $name)
3029 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3030 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3031}
3032
147e7692
MR
3033get_version LIBSWSCALE libswscale/swscale.h
3034get_version LIBPOSTPROC libpostproc/postprocess.h
3035get_version LIBAVCODEC libavcodec/avcodec.h
3036get_version LIBAVDEVICE libavdevice/avdevice.h
3037get_version LIBAVFORMAT libavformat/avformat.h
3038get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3039get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3040
173c983b
MR
3041enabled asmalign_pot || align_shift="1 <<"
3042
3043cat > $TMPH <<EOF
3044/* Automatically generated by configure - do not modify! */
3045#ifndef FFMPEG_CONFIG_H
3046#define FFMPEG_CONFIG_H
3047#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3048#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3049#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3050#define CC_TYPE "$cc_type"
3051#define CC_VERSION $cc_version
3052#define restrict $_restrict
3053#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3054#define EXTERN_PREFIX "${extern_prefix}"
3055#define EXTERN_ASM ${extern_prefix}
3056EOF
523ef551 3057
4ae40685
MR
3058test -n "$malloc_prefix" &&
3059 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3060
523ef551 3061if enabled small || disabled optimizations; then
9a894c48 3062 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3063 echo "#define av_always_inline" >> $TMPH
3064fi
3065
3d907e22
MR
3066print_config ARCH_ $TMPH config.mak $ARCH_LIST
3067print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3068print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3069 $CONFIG_EXTRA \
7483e694
DB
3070 $DECODER_LIST \
3071 $ENCODER_LIST \
5666fd73 3072 $HWACCEL_LIST \
7483e694
DB
3073 $PARSER_LIST \
3074 $BSF_LIST \
3075 $DEMUXER_LIST \
3076 $MUXER_LIST \
f7679c54 3077 $FILTER_LIST \
7483e694
DB
3078 $PROTOCOL_LIST \
3079 $INDEV_LIST \
3080 $OUTDEV_LIST \
8ac17293 3081
9c05103f 3082echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3083echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3084
b7860763 3085# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3086cp_if_changed $TMPH config.h
3d204385 3087
a3e02a8c
MR
3088cat > $TMPH <<EOF
3089/* Generated by ffconf */
3090#ifndef AVUTIL_AVCONFIG_H
3091#define AVUTIL_AVCONFIG_H
3092EOF
3093
3094print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3095
3096echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3097
3098cp_if_changed $TMPH libavutil/avconfig.h
3099
d0674868 3100# build pkg-config files
def4272a 3101
d0674868
DB
3102pkgconfig_generate(){
3103name=$1
b0dfd108 3104shortname=${name#lib}${build_suffix}
d0674868
DB
3105comment=$2
3106version=$3
3107libs=$4
3108requires=$5
25cd5cb3 3109cat <<EOF > $name/$name.pc
3e89171a 3110prefix=$prefix
a94e666c 3111exec_prefix=\${prefix}
f2b7382c 3112libdir=$libdir
7622778e 3113includedir=$incdir
def4272a 3114
d0674868
DB
3115Name: $name
3116Description: $comment
3117Version: $version
8cd6b388 3118Requires: $(enabled shared || echo $requires)
5dcfe9f8 3119Requires.private: $(enabled shared && echo $requires)
def4272a 3120Conflicts:
8cd6b388 3121Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3122Libs.private: $(enabled shared && echo $libs)
76a448ed 3123Cflags: -I\${includedir}
def4272a 3124EOF
25cd5cb3 3125cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3126prefix=
3127exec_prefix=
46d1ff83 3128libdir=\${pcfiledir}
1d44d365 3129includedir=${source_path}
def4272a 3130
d0674868
DB
3131Name: $name
3132Description: $comment
3133Version: $version
3134Requires: $requires
def4272a 3135Conflicts:
12701f6e 3136Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3137Cflags: -I\${includedir}
3138EOF
d0674868 3139}
def4272a 3140
e426941d 3141pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3142pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3143pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3144pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3145enabled avfilter &&
46983309 3146 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3147enabled postproc &&
e426941d 3148 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3149pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"