configure: simplify vaapi dependencies
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
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"
be8f2501
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315 done
316}
317
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318map(){
319 m=$1
320 shift
e0e335a0 321 for v; do eval $m; done
36e2dea0
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322}
323
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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
72702705
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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"
c510c7b5
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391 eval sgs="\$${var}_suggest"
392 pushvar var sgs
f9d328da 393 enable_deep $sel
c510c7b5
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394 popvar sgs
395 enable_deep_weak $sgs
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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#!}" $op "xyes"
44161118
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413}
414
37970ebf 415disabled(){
3250003c
MR
416 test "${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 $opt && return 0
441 done
f7b230a7 442 return 1
85bca2c5
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443}
444
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445set_default(){
446 for opt; do
88268e94 447 eval : \${$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#!}"
799c9e9b
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463 enabled ${cfg}_checking && die "Circular dependency for $cfg."
464 disabled ${cfg}_checking && continue
465 enable ${cfg}_checking
466
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467 eval dep_all="\$${cfg}_deps"
468 eval dep_any="\$${cfg}_deps_any"
7ef3425f 469 eval dep_sel="\$${cfg}_select"
c510c7b5 470 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
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471 eval dep_ifa="\$${cfg}_if"
472 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 473
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474 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
475 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
476 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 477
3d7453e0
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478 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
479 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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480 enabled_all $dep_all || disable $cfg
481 enabled_any $dep_any || disable $cfg
7ef3425f 482 disabled_any $dep_sel && disable $cfg
799c9e9b 483
4ec45764
RP
484 if enabled $cfg; then
485 eval dep_extralibs="\$${cfg}_extralibs"
486 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 487 enable_deep $dep_sel
c510c7b5 488 enable_deep_weak $dep_sgs
4ec45764
RP
489 fi
490
799c9e9b 491 disable ${cfg}_checking
30fd06be
MR
492 done
493}
494
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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
44161118
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508 fi
509 done
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510}
511
512flags_saved(){
2270b4b2 513 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
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514}
515
dcd479c0 516save_flags(){
57bd82d4 517 flags_saved && return
dcd479c0
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518 SAVE_CFLAGS="$CFLAGS"
519 SAVE_LDFLAGS="$LDFLAGS"
520 SAVE_extralibs="$extralibs"
521}
522
523restore_flags(){
f5d28d10 524 flags_saved || return
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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
MR
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 "$@")
2f2e6c7c
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565}
566
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567add_ldflags(){
568 append LDFLAGS "$@"
569}
570
571add_extralibs(){
572 append extralibs "$@"
573}
574
b0cfb663 575check_cmd(){
b3cb5d51 576 log "$@"
2270b4b2 577 "$@" >> $logfile 2>&1
b0cfb663
MR
578}
579
dcd479c0 580check_cc(){
57bd82d4 581 log check_cc "$@"
2270b4b2 582 cat > $TMPC
720c69da 583 log_file $TMPC
50a334e4 584 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
585}
586
587check_cpp(){
588 log check_cpp "$@"
2270b4b2 589 cat > $TMPC
720c69da 590 log_file $TMPC
9e7f3277 591 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
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592}
593
f65883c8
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594check_as(){
595 log check_as "$@"
596 cat > $TMPC
597 log_file $TMPC
2f2e6c7c 598 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
599}
600
940f335a
MR
601check_asm(){
602 log check_asm "$@"
603 name="$1"
3784e82e 604 code="$2"
940f335a 605 shift 2
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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
304d586d
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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 $TMPS
618}
619
dcd479c0 620check_ld(){
57bd82d4 621 log check_ld "$@"
3155a644
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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
d96cd429
MR
1055 local_aligned_16
1056 local_aligned_8
291fd18a 1057 log2
6b7c7703 1058 log2f
85dd97ad 1059 loongson
a33cab3a 1060 lrint
c88f5d72 1061 lrintf
e4673692 1062 lzo1x_999_compress
f8aa696f
DB
1063 machine_ioctl_bt848_h
1064 machine_ioctl_meteor_h
c88f5d72
MR
1065 malloc_h
1066 memalign
6ffa87d3 1067 mkstemp
b4e806b2 1068 pld
1f91cdce 1069 posix_memalign
a33cab3a
MK
1070 round
1071 roundf
c88f5d72
MR
1072 sdl
1073 sdl_video_size
b507ebd1 1074 setmode
72be9e73 1075 socklen_t
deb29777 1076 soundcard_h
f8cda19e 1077 poll_h
0104b608 1078 setrlimit
87958234 1079 strerror_r
c0018613 1080 struct_addrinfo
b4d68544
MS
1081 struct_ipv6_mreq
1082 struct_sockaddr_in6
3b2372bf 1083 struct_sockaddr_sa_len
33a4dbdd 1084 struct_sockaddr_storage
b58412f1 1085 sys_mman_h
b091aa44 1086 sys_resource_h
81644c2e 1087 sys_select_h
deb29777 1088 sys_soundcard_h
1b6e8b73 1089 sys_videoio_h
d3a4b4e0 1090 ten_operands
e16e49ac 1091 termios_h
b265431e 1092 threads
7b04b8a0 1093 truncf
ce742de2 1094 vfp_args
7c5bfe7a 1095 VirtualAlloc
6ff3f3e7 1096 winsock2_h
cc078b5d 1097 xform_asm
304d586d 1098 yasm
0cb78cef 1099"
44161118 1100
b6bb00b0
MR
1101# options emitted with CONFIG_ prefix but not available on command line
1102CONFIG_EXTRA="
dc4f5a1c 1103 avutil
9cad0e4e
DB
1104 gplv3
1105 lgplv3
b6bb00b0
MR
1106"
1107
520cc7f1 1108CMDLINE_SELECT="
3f5b56e5 1109 $ARCH_EXT_LIST
520cc7f1 1110 $CONFIG_LIST
8eee7025 1111 $THREADS_LIST
c8a4ae00 1112 asm
db6107b6 1113 cross_compile
520cc7f1
MR
1114 debug
1115 extra_warnings
8c6afa4d 1116 logging
d2bbb2f7 1117 optimizations
87a0fb62 1118 stripping
7595a5e4 1119 yasm
520cc7f1 1120"
426be5dc
DB
1121
1122PATHS_LIST='
d156bede 1123 bindir
14a8acf1 1124 datadir
26759c44
MR
1125 incdir
1126 libdir
26759c44
MR
1127 mandir
1128 prefix
1129 shlibdir
426be5dc
DB
1130'
1131
1132CMDLINE_SET="
1133 $PATHS_LIST
1134 arch
313c46a6 1135 as
426be5dc
DB
1136 build_suffix
1137 cc
1138 cpu
1139 cross_prefix
50567afa 1140 dep_cc
ac63af34 1141 extra_version
9da6609f
MR
1142 host_cc
1143 host_cflags
1144 host_ldflags
1145 host_libs
82bb3329 1146 host_os
684b28e0 1147 ld
426be5dc 1148 logfile
4ae40685 1149 malloc_prefix
89641463 1150 nm
2fad0977 1151 samples
26759c44 1152 source_path
4f837398 1153 strip
c5200f17
MR
1154 sysinclude
1155 sysroot
a7ada2ba 1156 target_exec
26759c44 1157 target_os
a7ada2ba 1158 target_path
426be5dc 1159"
520cc7f1 1160
89f2932b
MR
1161CMDLINE_APPEND="
1162 extra_cflags
1163"
1164
912f3148
DB
1165# code dependency declarations
1166
9eeed841 1167# architecture extensions
808fa33c 1168
a2fc0f6a
MR
1169armv5te_deps="arm"
1170armv6_deps="arm"
ab5cb084 1171armv6t2_deps="arm"
a2fc0f6a
MR
1172armvfp_deps="arm"
1173iwmmxt_deps="arm"
808fa33c
MR
1174neon_deps="arm"
1175
e241ba14 1176mmi_deps="mips"
808fa33c
MR
1177
1178altivec_deps="ppc"
1179ppc4xx_deps="ppc"
1180
1181vis_deps="sparc"
1182
7f8c3d1f 1183x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1184amd3dnow_deps="mmx"
1185amd3dnowext_deps="amd3dnow"
9eeed841 1186mmx_deps="x86"
75aa95a6 1187mmx2_deps="mmx"
75aa95a6
DB
1188sse_deps="mmx"
1189ssse3_deps="sse"
9eeed841 1190
e939cedd 1191fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1192fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1193fast_unaligned_if_any="armv6 ppc x86"
669b5583 1194
89e053f8 1195need_memalign="altivec neon sse"
6fec122a 1196inline_asm_deps="!tms470"
89e053f8 1197
26fbcc85
MR
1198# subsystems
1199mdct_select="fft"
1200rdft_select="fft"
1201
5666fd73 1202# decoders / encoders / hardware accelerators
49351479 1203aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1204aac_encoder_select="mdct"
1205ac3_decoder_select="mdct ac3_parser"
f4d608e3 1206alac_encoder_select="lpc"
b781cc12 1207amrnb_decoder_select="lsp"
084cbbaa 1208atrac1_decoder_select="mdct"
26fbcc85
MR
1209atrac3_decoder_select="mdct"
1210binkaudio_dct_decoder_select="mdct rdft dct"
1211binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1212cavs_decoder_select="golomb"
26fbcc85 1213cook_decoder_select="mdct"
2eef7c62 1214cscd_decoder_suggest="zlib"
26fbcc85 1215dca_decoder_select="mdct"
e8ed9b7a 1216dnxhd_encoder_select="aandct"
2eef7c62 1217dxa_decoder_select="zlib"
baf91bb9 1218eac3_decoder_select="ac3_decoder"
84c04e25 1219eamad_decoder_select="aandct"
e8ed9b7a 1220eatgq_decoder_select="aandct"
d52b39c7 1221eatqi_decoder_select="aandct"
4f034993
MR
1222ffv1_decoder_select="golomb"
1223flac_decoder_select="golomb"
f4d608e3 1224flac_encoder_select="golomb lpc"
2eef7c62
AJ
1225flashsv_decoder_select="zlib"
1226flashsv_encoder_select="zlib"
4414137e 1227flv_decoder_select="h263_decoder"
4d4b4bd1 1228flv_encoder_select="h263_encoder"
e8ed9b7a 1229h261_encoder_select="aandct"
7f647ae0 1230h263_decoder_select="h263_parser"
e8ed9b7a 1231h263_encoder_select="aandct"
95a61cfc 1232h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1233h263i_decoder_select="h263_decoder"
fe629c2d 1234h263p_encoder_select="h263_encoder"
4693b031 1235h264_decoder_select="golomb h264dsp"
92c6a099
LA
1236h264_dxva2_hwaccel_deps="dxva2api_h"
1237h264_dxva2_hwaccel_select="dxva2 h264_decoder"
17492d5e 1238h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1239h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1240imc_decoder_select="fft mdct"
4f034993
MR
1241jpegls_decoder_select="golomb"
1242jpegls_encoder_select="golomb"
e8ed9b7a 1243ljpeg_encoder_select="aandct"
4f034993 1244loco_decoder_select="golomb"
e8ed9b7a 1245mjpeg_encoder_select="aandct"
2cca233b 1246mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1247mpeg1video_encoder_select="aandct"
1248mpeg2video_encoder_select="aandct"
4414137e 1249mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1250mpeg4_encoder_select="h263_encoder"
95a61cfc 1251mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1252mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
95a61cfc 1253mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
95a61cfc 1254mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1255mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1256mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1257mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1258msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1259msmpeg4v1_encoder_select="h263_encoder"
4414137e 1260msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1261msmpeg4v2_encoder_select="h263_encoder"
4414137e 1262msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1263msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1264nellymoser_decoder_select="mdct"
1265nellymoser_encoder_select="mdct"
2eef7c62
AJ
1266png_decoder_select="zlib"
1267png_encoder_select="zlib"
b781cc12 1268qcelp_decoder_select="lsp"
26fbcc85 1269qdm2_decoder_select="mdct rdft"
a8beb22f 1270rv10_decoder_select="h263_decoder"
b2bf38b4 1271rv10_encoder_select="h263_encoder"
a8beb22f 1272rv20_decoder_select="h263_decoder"
b2bf38b4 1273rv20_encoder_select="h263_encoder"
4693b031
MR
1274rv30_decoder_select="golomb h264dsp"
1275rv40_decoder_select="golomb h264dsp"
4f034993 1276shorten_decoder_select="golomb"
b781cc12 1277sipr_decoder_select="lsp"
05aec7bb
MR
1278snow_decoder_select="dwt"
1279snow_encoder_select="aandct dwt"
4f034993
MR
1280sonic_decoder_select="golomb"
1281sonic_encoder_select="golomb"
1282sonic_ls_encoder_select="golomb"
19ecfb8a 1283svq1_encoder_select="aandct"
4693b031 1284svq3_decoder_select="golomb h264dsp"
bee2eac5 1285svq3_decoder_suggest="zlib"
4eef77c1 1286theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1287tiff_decoder_suggest="zlib"
1288tiff_encoder_suggest="zlib"
aec09a00 1289truehd_decoder_select="mlp_decoder"
2eef7c62 1290tscc_decoder_select="zlib"
b781cc12 1291twinvq_decoder_select="mdct lsp"
f95bfab0 1292vc1_decoder_select="h263_decoder"
9104cd51 1293vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1294vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1295vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1296vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1297vorbis_decoder_select="mdct"
1298vorbis_encoder_select="mdct"
e82dc4c9
DB
1299vp6a_decoder_select="vp6_decoder"
1300vp6f_decoder_select="vp6_decoder"
084cbbaa 1301wmapro_decoder_select="mdct"
26fbcc85
MR
1302wmav1_decoder_select="mdct"
1303wmav1_encoder_select="mdct"
1304wmav2_decoder_select="mdct"
1305wmav2_encoder_select="mdct"
b781cc12 1306wmavoice_decoder_select="lsp"
f95bfab0 1307wmv1_decoder_select="h263_decoder"
665507aa 1308wmv1_encoder_select="h263_encoder"
f95bfab0 1309wmv2_decoder_select="h263_decoder"
1746e2a9 1310wmv2_encoder_select="h263_encoder"
015f8ee0 1311wmv3_decoder_select="vc1_decoder"
f0f86627 1312wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1313wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1314wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1315zlib_decoder_select="zlib"
1316zlib_encoder_select="zlib"
1317zmbv_decoder_select="zlib"
1318zmbv_encoder_select="zlib"
30fd06be 1319
0afab17e 1320vaapi_deps="va_va_h"
c89c96e9
MR
1321vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1322
28b80940 1323# parsers
4693b031 1324h264_parser_select="golomb h264dsp"
28b80940 1325
f1e94694
DB
1326# bitstream_filters
1327aac_adtstoasc_bsf_select="aac_parser"
1328
912f3148 1329# external libraries
1b71f045 1330libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1331libdirac_encoder_deps="libdirac"
c9171a83 1332libfaac_encoder_deps="libfaac"
69ddbd1d 1333libfaad_decoder_deps="libfaad"
4ec45764 1334libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1335libgsm_decoder_deps="libgsm"
1336libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1337libgsm_ms_decoder_deps="libgsm"
1338libgsm_ms_encoder_deps="libgsm"
1cc60c47 1339libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1340libopencore_amrnb_decoder_deps="libopencore_amrnb"
1341libopencore_amrnb_encoder_deps="libopencore_amrnb"
1342libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1343libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1344libschroedinger_decoder_deps="libschroedinger"
1345libschroedinger_encoder_deps="libschroedinger"
ae14f311 1346libspeex_decoder_deps="libspeex"
150d2772 1347libtheora_encoder_deps="libtheora"
b0caf888 1348libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1349libx264_encoder_deps="libx264"
1350libxvid_encoder_deps="libxvid"
30fd06be 1351
912f3148 1352# demuxers / muxers
03a76ba9 1353ac3_demuxer_deps="ac3_parser"
647c2356 1354asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1355avisynth_demuxer_deps="avisynth"
1356dirac_demuxer_deps="dirac_parser"
5b423887 1357eac3_demuxer_select="ac3_parser"
647c2356 1358ipod_muxer_select="mov_muxer"
4e622dea
SS
1359libnut_demuxer_deps="libnut"
1360libnut_muxer_deps="libnut"
647c2356 1361matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1362matroska_demuxer_suggest="zlib bzlib"
1363mov_demuxer_suggest="zlib"
1364mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1365mp4_muxer_select="mov_muxer"
1366mpegtsraw_demuxer_select="mpegts_demuxer"
1367mxf_d10_muxer_select="mxf_muxer"
24ca518b 1368ogg_demuxer_select="golomb"
647c2356 1369psp_muxer_select="mov_muxer"
4e622dea 1370rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1371rtsp_muxer_deps="sdp_demuxer"
1372rtsp_muxer_select="rtp_muxer"
4e622dea 1373sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1374sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1375spdif_muxer_select="aac_parser"
647c2356
DB
1376tg2_muxer_select="mov_muxer"
1377tgp_muxer_select="mov_muxer"
6bdaa5f4 1378w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1379
1380# indevs / outdevs
38e54a75
SS
1381alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1382alsa_indev_extralibs="-lasound"
1383alsa_outdev_deps="alsa_asoundlib_h"
1384alsa_outdev_extralibs="-lasound"
1385audio_beos_indev_deps="audio_beos"
1386audio_beos_indev_extralibs="-lmedia -lbe"
1387audio_beos_outdev_deps="audio_beos"
1388audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1389bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1390dv1394_indev_deps="dv1394 dv_demuxer"
1391jack_indev_deps="jack_jack_h"
1392jack_indev_extralibs="-ljack"
1393libdc1394_indev_deps="libdc1394"
38e54a75
SS
1394oss_indev_deps_any="soundcard_h sys_soundcard_h"
1395oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1396v4l_indev_deps="linux_videodev_h"
1397v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1398vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1399vfwcap_indev_extralibs="-lavicap32"
38e54a75 1400x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1401x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1402
912f3148 1403# protocols
3fff6382 1404gopher_protocol_deps="network"
c08fb000 1405http_protocol_deps="network"
279a0c97 1406http_protocol_select="tcp_protocol"
cbf29889 1407rtmp_protocol_deps="tcp_protocol"
c08fb000
AB
1408rtp_protocol_deps="udp_protocol"
1409tcp_protocol_deps="network"
1410udp_protocol_deps="network"
1411
f7679c54 1412# filters
81124ba0 1413movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1414avfilter_lavf_deps="avformat"
1415
1416# libraries
1417avdevice_deps="avcodec avformat"
1418avformat_deps="avcodec"
f7679c54 1419
912f3148 1420# programs
5a0f7131
MR
1421ffmpeg_deps="avcodec avformat swscale"
1422ffplay_deps="avcodec avformat swscale sdl"
43689902 1423ffplay_select="rdft"
336ce917 1424ffprobe_deps="avcodec avformat"
5a0f7131 1425ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1426ffserver_extralibs='$ldl'
a2830dca 1427
c73f65d9 1428doc_deps="texi2html"
912f3148 1429
de6d9b64 1430# default parameters
8a608357 1431
2ba042a7 1432logfile="config.err"
8a608357
MR
1433
1434# installation paths
c9d19248
MR
1435prefix_default="/usr/local"
1436bindir_default='${prefix}/bin'
14a8acf1 1437datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1438incdir_default='${prefix}/include'
1439libdir_default='${prefix}/lib'
1440mandir_default='${prefix}/share/man'
1441shlibdir_default="$libdir_default"
8a608357
MR
1442
1443# toolchain
11e6d03a 1444ar="ar"
13c7df3d 1445cc_default="gcc"
a3d7c197 1446cc_version=\"unknown\"
9da6609f 1447host_cc_default="gcc"
11e6d03a 1448ln_s="ln -sf"
89641463 1449nm_default="nm"
11e6d03a 1450objformat="elf"
be7109c1 1451ranlib="ranlib"
4f837398 1452strip_default="strip"
11e6d03a 1453yasmexe="yasm"
8a608357 1454
8182dc34
MR
1455nm_opts='-g'
1456
8a608357 1457# machine
8d4c00ed 1458arch_default=$(uname -m)
38d0a8aa 1459cpu="generic"
8a608357 1460
8a608357 1461# OS
8d4c00ed
MR
1462target_os_default=$(tolower $(uname -s))
1463host_os=$target_os_default
8a608357 1464
8a608357 1465# configurable options
5a0f7131
MR
1466enable avcodec
1467enable avdevice
1468enable avformat
dc4f5a1c 1469enable avutil
c8a4ae00 1470enable asm
497237c7 1471enable debug
c73f65d9 1472enable doc
aa033b1e 1473enable fastdiv
497237c7
RP
1474enable ffmpeg
1475enable ffplay
336ce917 1476enable ffprobe
497237c7 1477enable ffserver
497237c7
RP
1478enable mpegaudio_hp
1479enable network
8400d6b8 1480enable optimizations
497237c7 1481enable protocols
530dc538 1482enable static
87a0fb62 1483enable stripping
5a0f7131 1484enable swscale
a9ddb5b1 1485enable swscale_alpha
8a608357 1486
8a608357 1487# build settings
9987769a 1488SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1489FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1490LIBPREF="lib"
1491LIBSUF=".a"
c5f14466
RP
1492FULLNAME='$(NAME)$(BUILDSUF)'
1493LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1494SLIBPREF="lib"
1495SLIBSUF=".so"
c5f14466 1496SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1497SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1498SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1499LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1500
7e6c86e6
MR
1501CC_O='-o $@'
1502
f0125de9 1503host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1504host_libs='-lm'
1505
9b861379 1506target_path='$(CURDIR)'
a7ada2ba 1507
0d7dca36
DB
1508# gcc stupidly only outputs the basename of targets with -MM, but we need the
1509# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1510DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1511DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1512
c597172e 1513# find source path
5e622c40 1514source_path="$(dirname "$0")"
497237c7 1515enable source_path_used
24524f36 1516if test -f configure; then
5e622c40 1517 source_path="$(pwd)"
497237c7 1518 disable source_path_used
c597172e 1519else
5e622c40 1520 source_path="$(cd "$source_path"; pwd)"
c597172e 1521 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1522 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1523 test -e "$source_path/config.h" &&
1524 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1525fi
1526
13cbe2c0 1527for v in "$@"; do
b04251c5
MR
1528 r=${v#*=}
1529 l=${v%"$r"}
1530 r=$(sh_quote "$r")
13cbe2c0
MR
1531 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1532done
c597172e 1533
73ef8980
MR
1534find_things(){
1535 thing=$1
1536 pattern=$2
1537 file=$source_path/$3
932ccf39 1538 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1539}
1540
1541ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1542DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1543HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1544PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1545BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1546MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1547DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1548OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1549INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1550PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1551FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1552
7483e694
DB
1553enable $ARCH_EXT_LIST \
1554 $DECODER_LIST \
1555 $ENCODER_LIST \
5666fd73 1556 $HWACCEL_LIST \
7483e694
DB
1557 $PARSER_LIST \
1558 $BSF_LIST \
1559 $DEMUXER_LIST \
1560 $MUXER_LIST \
f7679c54 1561 $FILTER_LIST \
7483e694
DB
1562 $PROTOCOL_LIST \
1563 $INDEV_LIST \
1564 $OUTDEV_LIST \
c597172e
MR
1565
1566die_unknown(){
1567 echo "Unknown option \"$1\"."
1568 echo "See $0 --help for available options."
1569 exit 1
1570}
1571
794f8e97 1572show_list() {
bf0c4afa
RP
1573 suffix=_$1
1574 shift
2b444ea7 1575 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1576 exit 0
1577}
1578
c597172e 1579for opt do
7483e694
DB
1580 optval="${opt#*=}"
1581 case "$opt" in
0f010b2f 1582 --extra-ldflags=*) add_ldflags $optval
7483e694 1583 ;;
0f010b2f 1584 --extra-libs=*) add_extralibs $optval
7483e694 1585 ;;
8fb1cb58 1586 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1587 ;;
40bcf4c7
BL
1588 --enable-debug=*) debuglevel="$optval"
1589 ;;
36e2dea0 1590 --disable-everything)
e0e335a0 1591 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1592 ;;
7483e694 1593 --enable-*=*|--disable-*=*)
8b93ddc3 1594 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1595 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1596 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1597 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1598 $action $(filter "$name" $list)
7483e694
DB
1599 ;;
1600 --enable-?*|--disable-?*)
5e622c40 1601 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1602 if is_in $option $COMPONENT_LIST; then
fed5d54b 1603 test $action = disable && action=unset
e3773a55
MR
1604 eval $action \$$(toupper ${option%s})_LIST
1605 elif is_in $option $CMDLINE_SELECT; then
1606 $action $option
1607 else
1608 die_unknown $opt
1609 fi
7483e694
DB
1610 ;;
1611 --list-*)
1612 NAME="${opt#--list-}"
1613 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1614 NAME=${NAME%s}
1615 eval show_list $NAME \$$(toupper $NAME)_LIST
1616 ;;
1617 --help|-h) show_help
1618 ;;
1619 *)
884a36a7 1620 optname="${opt%%=*}"
26759c44
MR
1621 optname="${optname#--}"
1622 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1623 if is_in $optname $CMDLINE_SET; then
1624 eval $optname='$optval'
1625 elif is_in $optname $CMDLINE_APPEND; then
1626 append $optname "$optval"
1627 else
1628 die_unknown $opt
1629 fi
7483e694
DB
1630 ;;
1631 esac
c597172e
MR
1632done
1633
bcea99bb
MR
1634disabled logging && logfile=/dev/null
1635
13cbe2c0 1636echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1637set >> $logfile
1638
9da6609f
MR
1639test -n "$cross_prefix" && enable cross_compile
1640
8d4c00ed
MR
1641if enabled cross_compile; then
1642 test -n "$arch" && test -n "$target_os" ||
1643 die "Must specify target arch and OS when cross-compiling"
1644fi
1645
1646set_default arch target_os
1647
adb2b908 1648ar="${cross_prefix}${ar}"
11e6d03a 1649cc_default="${cross_prefix}${cc_default}"
20e0ed95 1650nm_default="${cross_prefix}${nm_default}"
adb2b908 1651ranlib="${cross_prefix}${ranlib}"
4f837398 1652strip_default="${cross_prefix}${strip_default}"
adb2b908 1653
c5200f17
MR
1654sysinclude_default="${sysroot}/usr/include"
1655
4f837398 1656set_default cc nm strip sysinclude
9da6609f
MR
1657enabled cross_compile || host_cc_default=$cc
1658set_default host_cc
13c7df3d 1659
82bb3329
MR
1660exesuf() {
1661 case $1 in
1662 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1663 esac
1664}
1665
1666EXESUF=$(exesuf $target_os)
1667HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1668
e4e69e0b 1669# set temporary file name
a49d42c2 1670: ${TMPDIR:=$TEMPDIR}
c51fafa1 1671: ${TMPDIR:=$TMP}
a49d42c2 1672: ${TMPDIR:=/tmp}
e4e69e0b 1673
54460a83
MR
1674if ! check_cmd type mktemp; then
1675 # simple replacement for missing mktemp
1676 # NOT SAFE FOR GENERAL USE
1677 mktemp(){
1678 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1679 }
1680fi
1681
1682tmpfile(){
1683 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1684 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1685 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1686 append TMPFILES $tmp
1687 eval $1=$tmp
1688}
1689
1690trap 'rm -f -- $TMPFILES' EXIT
1691trap exit HUP INT TERM
1692
1693tmpfile TMPC .c
1694tmpfile TMPE $EXESUF
1695tmpfile TMPH .h
1696tmpfile TMPO .o
1697tmpfile TMPS .S
a482e61b 1698tmpfile TMPV .ver
54460a83
MR
1699tmpfile TMPSH .sh
1700
1701unset -f mktemp
e4e69e0b 1702
993f2d0f
MR
1703# make sure we can execute files in $TMPDIR
1704cat > $TMPSH 2>> $logfile <<EOF
1705#! /bin/sh
1706EOF
1707chmod +x $TMPSH >> $logfile 2>&1
1708if ! $TMPSH >> $logfile 2>&1; then
1709 cat <<EOF
1710Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1711variable to another directory and make sure that it is not mounted noexec.
1712EOF
1713 die "Sanity test failed."
1714fi
993f2d0f 1715
19b4c628
MR
1716filter_cflags=echo
1717filter_cppflags=echo
1718filter_asflags=echo
1719
8f0c157a 1720if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1721 cc_type=gcc
a3d7c197 1722 cc_version=__VERSION__
aef6bd1b
MR
1723 if ! $cc -dumpversion | grep -q '^2\.'; then
1724 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1725 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1726 fi
14ca9cd0
MR
1727 speed_cflags='-O3'
1728 size_cflags='-Os'
629687f6
MR
1729elif $cc --version 2>/dev/null | grep -q Intel; then
1730 cc_type=icc
6e3fa35d 1731 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1732 CC_DEPFLAGS='-MMD'
1733 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1734 speed_cflags='-O3'
1735 size_cflags='-Os'
629687f6
MR
1736elif $cc -v 2>&1 | grep -q xlc; then
1737 cc_type=xlc
6e3fa35d 1738 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1739 speed_cflags='-O5'
1740 size_cflags='-O5 -qcompact'
df442a8d
MR
1741elif $cc -V 2>/dev/null | grep -q Compaq; then
1742 cc_type=ccc
6e3fa35d 1743 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1744 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1745 debuglevel=3
df442a8d 1746 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1747 speed_cflags='-fast'
1748 size_cflags='-O1'
6a0d5493 1749elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1750 test -d "$sysroot" || die "No valid sysroot specified."
1751 cc_type=armcc
6e3fa35d 1752 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1753 armcc_conf="$PWD/armcc.conf"
1754 $cc --arm_linux_configure \
1755 --arm_linux_config_file="$armcc_conf" \
1756 --configure_sysroot="$sysroot" \
1757 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1758 die "Error creating armcc configuration file."
1759 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1760 as_default="${cross_prefix}gcc"
07dec06e
MR
1761 CC_DEPFLAGS='-MMD'
1762 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1763 speed_cflags='-O3'
1764 size_cflags='-Os'
6fec122a
MR
1765elif $cc -version 2>/dev/null | grep -q TMS470; then
1766 cc_type=tms470
6e3fa35d 1767 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1768 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1769 CC_O='-fr=$(@D)'
1770 as_default="${cross_prefix}gcc"
1771 ld_default="${cross_prefix}gcc"
6fec122a
MR
1772 TMPO=$(basename $TMPC .c).o
1773 append TMPFILES $TMPO
1774 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1775 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1776 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1777 speed_cflags='-O3 -mf=5'
1778 size_cflags='-O3 -mf=2'
6fec122a
MR
1779 filter_cflags=tms470_flags
1780 tms470_flags(){
1781 for flag; do
1782 case $flag in
1783 -march=*|-mcpu=*)
1784 case "${flag#*=}" in
1785 armv7-a|cortex-a*) echo -mv=7a8 ;;
1786 armv7-r|cortex-r*) echo -mv=7r4 ;;
1787 armv7-m|cortex-m*) echo -mv=7m3 ;;
1788 armv6*|arm11*) echo -mv=6 ;;
1789 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1790 echo -mv=5e ;;
1791 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1792 esac
1793 ;;
1794 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1795 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1796 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1797 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1798 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1799 -g) echo -g -mn ;;
587d24ff 1800 -pds=*) echo $flag ;;
6fec122a
MR
1801 esac
1802 done
1803 }
06da6943
DC
1804elif $cc -v 2>&1 | grep -q clang; then
1805 cc_type=clang
1806 cc_version=__VERSION__
1807 CC_DEPFLAGS='-MMD'
1808 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1809 speed_cflags='-O3'
1810 size_cflags='-Os'
2a472e9c
MK
1811elif $cc -V 2>&1 | grep -q Sun; then
1812 cc_type=suncc
1813 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1814 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1815 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1816 speed_cflags='-O5'
1817 size_cflags='-O5 -xspace'
03279bbe
MK
1818 filter_cflags=suncc_flags
1819 suncc_flags(){
1820 for flag; do
1821 case $flag in
1822 -march=*|-mcpu=*)
1823 case "${flag#*=}" in
1824 native) echo -xtarget=native ;;
1825 v9) echo -xarch=sparc ;;
1826 ultrasparc) echo -xarch=sparcvis ;;
1827 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1828 i586|pentium) echo -xchip=pentium ;;
1829 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1830 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1831 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1832 pentium4*) echo -xtarget=pentium4 ;;
1833 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1834 *-sse3) echo -xarch=sse3 ;;
1835 core2) echo -xarch=ssse3 -xchip=core2 ;;
1836 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1837 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1838 k8|opteron|athlon64|athlon-fx)
1839 echo -xarch=sse2a ;;
1840 athlon*) echo -xarch=pentium_proa ;;
1841 esac
1842 ;;
1843 -std=c99) echo -xc99 ;;
1844 -fomit-frame-pointer) echo -xregs=frameptr ;;
1845 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1846 -W*,*) echo $flag ;;
1847 -f*-*|-W*) ;;
1848 *) echo $flag ;;
1849 esac
1850 done
1851 }
629687f6
MR
1852fi
1853
1854test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1855
75bafbac 1856: ${as_default:=$cc}
50567afa 1857: ${dep_cc_default:=$cc}
684b28e0 1858: ${ld_default:=$cc}
50567afa 1859set_default as dep_cc ld
75800dce 1860
07dec06e
MR
1861test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1862test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1863
7f32f40c 1864add_cflags $extra_cflags
2f2e6c7c 1865add_asflags $extra_cflags
7f32f40c 1866
154d432c
MR
1867if test -n "$sysroot"; then
1868 case "$cc_type" in
1869 gcc)
467256f2 1870 add_cppflags --sysroot="$sysroot"
154d432c
MR
1871 add_ldflags --sysroot="$sysroot"
1872 ;;
6fec122a
MR
1873 tms470)
1874 add_cppflags -I"$sysinclude"
1875 add_ldflags --sysroot="$sysroot"
1876 ;;
06da6943 1877 clang)
4def700e
DC
1878 add_cppflags -isysroot "$sysroot"
1879 add_ldflags -isysroot "$sysroot"
06da6943 1880 ;;
154d432c
MR
1881 esac
1882fi
1883
d22c13a8
MR
1884if test "$cpu" = host; then
1885 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1886
1887 case "$cc_type" in
1888 gcc)
1889 check_native(){
1890 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1891 sed -n "/$1=/{
1892 s/.*$1=\\([^ ]*\\).*/\\1/
1893 p
1894 q
1895 }" $TMPE
d22c13a8
MR
1896 }
1897 cpu=$(check_native -march || check_native -mcpu)
1898 ;;
1899 esac
1900
1901 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1902fi
1903
e939cedd
MR
1904# Deal with common $arch aliases
1905case "$arch" in
1906 arm*)
1907 arch="arm"
1908 ;;
1909 mips|mipsel|IP*)
1910 arch="mips"
1911 ;;
47b1860e 1912 mips64*)
e939cedd
MR
1913 arch="mips"
1914 subarch="mips64"
1915 ;;
1916 parisc|hppa)
1917 arch="parisc"
1918 ;;
1919 parisc64|hppa64)
1920 arch="parisc"
1921 subarch="parisc64"
1922 ;;
1923 "Power Macintosh"|ppc|powerpc)
1924 arch="ppc"
1925 ;;
47b1860e 1926 ppc64|powerpc64)
e939cedd
MR
1927 arch="ppc"
1928 subarch="ppc64"
1929 ;;
1930 s390|s390x)
1931 arch="s390"
1932 ;;
1933 sh4|sh)
1934 arch="sh4"
1935 ;;
1936 sun4u|sparc64)
1937 arch="sparc"
1938 subarch="sparc64"
1939 ;;
1940 i[3-6]86|i86pc|BePC|x86_64|amd64)
1941 arch="x86"
1942 ;;
1943esac
1944
1945is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1946enable $arch
e939cedd 1947
df5cdc24 1948# Add processor-specific flags
5d54c126
MR
1949if test "$cpu" = generic; then
1950 : do nothing
1951elif enabled ppc; then
343aef9b 1952
56348891
MR
1953 case $(tolower $cpu) in
1954 601|ppc601|powerpc601)
9dbd5c3d 1955 cpuflags="-mcpu=601"
64ad53ff 1956 disable altivec
9dbd5c3d 1957 ;;
56348891 1958 603*|ppc603*|powerpc603*)
9dbd5c3d 1959 cpuflags="-mcpu=603"
64ad53ff 1960 disable altivec
9dbd5c3d 1961 ;;
56348891 1962 604*|ppc604*|powerpc604*)
9dbd5c3d 1963 cpuflags="-mcpu=604"
64ad53ff 1964 disable altivec
9dbd5c3d 1965 ;;
56348891 1966 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1967 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1968 disable altivec
9dbd5c3d 1969 ;;
56348891 1970 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1971 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1972 ;;
56348891 1973 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1974 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1975 ;;
56348891 1976 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1977 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1978 ;;
56348891 1979 cell)
9dbd5c3d
MR
1980 cpuflags="-mcpu=cell"
1981 enable ldbrx
1982 ;;
7b0b81a1
AL
1983 e500v2)
1984 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1985 disable altivec
1986 ;;
1987 e500)
1988 cpuflags="-mcpu=8540 -mhard-float"
1989 disable altivec
1990 ;;
9dbd5c3d 1991 esac
343aef9b
MR
1992
1993elif enabled x86; then
1994
9dbd5c3d
MR
1995 case $cpu in
1996 i[345]86|pentium)
1997 cpuflags="-march=$cpu"
1998 disable mmx
1999 ;;
2000 # targets that do NOT support conditional mov (cmov)
2001 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2002 cpuflags="-march=$cpu"
2003 disable cmov
2004 ;;
2005 # targets that do support conditional mov (cmov)
2006 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2007 cpuflags="-march=$cpu"
2008 enable cmov
2009 enable fast_cmov
2010 ;;
2011 # targets that do support conditional mov but on which it's slow
2012 pentium4|pentium4m|prescott|nocona)
2013 cpuflags="-march=$cpu"
2014 enable cmov
2015 disable fast_cmov
2016 ;;
2017 esac
343aef9b
MR
2018
2019elif enabled sparc; then
2020
9dbd5c3d
MR
2021 case $cpu in
2022 sparc64)
2023 cpuflags="-mcpu=v9"
2024 ;;
2025 esac
343aef9b
MR
2026
2027elif enabled arm; then
2028
34ba23c9
MR
2029 case $cpu in
2030 armv*)
2031 cpuflags="-march=$cpu"
2032 ;;
2033 *)
2034 cpuflags="-mcpu=$cpu"
2035 ;;
2036 esac
343aef9b
MR
2037
2038elif enabled alpha; then
2039
34ba23c9 2040 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2041
2042elif enabled bfin; then
2043
34ba23c9 2044 cpuflags="-mcpu=$cpu"
343aef9b
MR
2045
2046elif enabled mips; then
2047
34ba23c9 2048 cpuflags="-march=$cpu"
343aef9b
MR
2049
2050elif enabled avr32; then
2051
9dbd5c3d
MR
2052 case $cpu in
2053 ap7[02]0[0-2])
2054 subarch="avr32_ap"
2055 cpuflags="-mpart=$cpu"
2056 ;;
2057 ap)
2058 subarch="avr32_ap"
2059 cpuflags="-march=$cpu"
2060 ;;
2061 uc3[ab]*)
2062 subarch="avr32_uc"
2063 cpuflags="-mcpu=$cpu"
2064 ;;
2065 uc)
2066 subarch="avr32_uc"
2067 cpuflags="-march=$cpu"
2068 ;;
2069 esac
df5cdc24 2070
343aef9b
MR
2071fi
2072
df5cdc24
MR
2073add_cflags $cpuflags
2074add_asflags $cpuflags
2075
993f2d0f
MR
2076# compiler sanity check
2077check_exec <<EOF
2078int main(void){ return 0; }
2079EOF
2080if test "$?" != 0; then
2081 echo "$cc is unable to create an executable file."
2082 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2083 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2084 echo "Only do this if you know what cross compiling means."
2085 fi
2086 die "C compiler test failed."
2087fi
2088
38a9c529 2089add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2090check_cflags -std=c99
50a334e4 2091check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2092#include <stdlib.h>
2093EOF
50a334e4 2094check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2095#include <stdlib.h>
2096EOF
e9b9a2f8 2097
f0125de9
MR
2098check_host_cflags -std=c99
2099
b24dbcbd 2100case "$arch" in
e939cedd 2101 alpha|ia64|mips|parisc|sparc)
8a3c8627 2102 spic=$shared
b24dbcbd 2103 ;;
e939cedd 2104 x86)
cfdb6148 2105 subarch="x86_32"
e939cedd 2106 check_cc <<EOF && subarch="x86_64"
58b3536d 2107 int test[(int)sizeof(char*) - 7];
cfdb6148 2108EOF
de27f4d9 2109 if test "$subarch" = "x86_64"; then
e939cedd 2110 spic=$shared
de27f4d9 2111 fi
b24dbcbd 2112 ;;
b24dbcbd
RP
2113esac
2114
343aef9b 2115enable $subarch
8a3c8627 2116enabled spic && enable pic
b24dbcbd 2117
7483e694 2118# OS specific
4f854758 2119case $target_os in
7483e694 2120 beos|haiku|zeta)
c9d19248 2121 prefix_default="$HOME/config"
7483e694 2122 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 2123 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
2124 case "$gcc_version" in
2125 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2126 disable mmx
2127 ;;
2128 *20010315*) echo "BeBits gcc"
0f010b2f 2129 add_cflags -fno-expensive-optimizations
7483e694
DB
2130 ;;
2131 esac
7483e694
DB
2132 SHFLAGS=-nostart
2133 # enable BeOS things
2134 enable audio_beos
2135 # no need for libm, but the inet stuff
2136 # Check for BONE
2137 # XXX: actually should check for NOT net_server
78fe7631 2138 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
2139 network_extralibs="-lbind -lsocket"
2140 else
2141 enable beos_netserver
2142 network_extralibs="-lnet"
2143 fi ;;
2144 sunos)
2145 FFSERVERLDFLAGS=""
9987769a 2146 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2147 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2148 network_extralibs="-lsocket -lnsl"
50a334e4 2149 add_cppflags -D__EXTENSIONS__
8182dc34 2150 nm_opts='-P -g'
7483e694
DB
2151 ;;
2152 netbsd)
07a8eef6
MR
2153 oss_indev_extralibs="-lossaudio"
2154 oss_outdev_extralibs="-lossaudio"
2138dc99 2155 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2156 ;;
2157 openbsd)
89e053f8 2158 enable malloc_aligned
7c4a001a
MR
2159 # On OpenBSD 4.5. the compiler does not use PIC unless
2160 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2161 # however the generated executable will not do anything
2162 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2163 # Thus explicitly enable PIC here.
cd78208b 2164 enable pic
7483e694 2165 SHFLAGS='-shared'
07a8eef6
MR
2166 oss_indev_extralibs="-lossaudio"
2167 oss_outdev_extralibs="-lossaudio"
7483e694 2168 ;;
90b4f091 2169 freebsd|dragonfly)
89e053f8 2170 enable malloc_aligned
7483e694
DB
2171 ;;
2172 bsd/os)
2173 osextralibs="-lpoll -lgnugetopt"
2174 strip="strip -d"
2175 ;;
2176 darwin)
89e053f8 2177 enable malloc_aligned
0138c54e 2178 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2179 strip="strip -x"
2180 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2181 SLIBSUF=".dylib"
2182 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2183 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2184 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2185 objformat="macho"
1b0f6fb8 2186 enabled x86_64 && objformat="macho64"
8dfa86f7 2187 enabled_any pic shared ||
2704bd1a 2188 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2189 ;;
2190 mingw32*)
9d3f4f50 2191 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2192 disable network
2193 else
2194 target_os=mingw32
2195 fi
dcc01c06 2196 LIBTARGET=i386
1fc9fb8a 2197 if enabled x86_64; then
89e053f8 2198 enable malloc_aligned
dcc01c06 2199 LIBTARGET=x64
336cc1b0
MS
2200 elif enabled arm; then
2201 LIBTARGET=arm
dcc01c06 2202 fi
fbd971a4 2203 shlibdir_default="$bindir_default"
7483e694
DB
2204 disable ffserver
2205 SLIBPREF=""
2206 SLIBSUF=".dll"
7483e694
DB
2207 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2208 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2209 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2210 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2211 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2212 install -d "$(LIBDIR)"; \
2213 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2214 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2215 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2216 objformat="win32"
bc574408 2217 enable dos_paths
1894e741 2218 check_cflags -fno-common
b1549d61 2219 if ! enabled x86_64; then
f7ad5aa2
RP
2220 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2221 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2222 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2223 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2224 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2225 fi
7483e694
DB
2226 ;;
2227 cygwin*)
4f854758 2228 target_os=cygwin
fbd971a4 2229 shlibdir_default="$bindir_default"
7483e694
DB
2230 SLIBPREF="cyg"
2231 SLIBSUF=".dll"
2232 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2233 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2234 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2235 objformat="win32"
bc574408 2236 enable dos_paths
1894e741 2237 check_cflags -fno-common
7483e694 2238 ;;
4f365f37 2239 *-dos|freedos|opendos)
fdf11906 2240 disable ffplay ffserver
4f365f37
MK
2241 disable $INDEV_LIST $OUTDEV_LIST
2242 network_extralibs="-lsocket"
ff1c015d 2243 objformat="coff"
bc574408 2244 enable dos_paths
4f365f37 2245 ;;
7483e694 2246 linux)
7483e694
DB
2247 enable dv1394
2248 ;;
2249 irix*)
4f854758 2250 target_os=irix
7483e694
DB
2251 ranlib="echo ignoring ranlib"
2252 ;;
d22e8442 2253 os/2*)
d22e8442
DY
2254 strip="lxlite"
2255 ln_s="cp -f"
d22e8442 2256 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2257 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2258 FFSERVERLDFLAGS=""
287d3b13 2259 LIBSUF="_s.a"
d22e8442
DY
2260 SLIBPREF=""
2261 SLIBSUF=".dll"
2262 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2263 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2264 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2265 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2266 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2267 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2268 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2269 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2270 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2271 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2272 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2273 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2274 enable dos_paths
d22e8442 2275 ;;
83993c1c
AM
2276 gnu/kfreebsd)
2277 ;;
34e82167 2278 gnu)
34e82167 2279 ;;
614d8911
MR
2280 none)
2281 ;;
7483e694 2282 *)
4f924f9a 2283 die "Unknown OS '$target_os'."
7483e694
DB
2284 ;;
2285esac
2286
13cb2187
AS
2287check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2288
c9d19248
MR
2289set_default $PATHS_LIST
2290
c597172e 2291add_extralibs $osextralibs
de6d9b64 2292
28d8e661
DB
2293# Combine FFLDFLAGS and the LDFLAGS environment variable.
2294LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2295
320d060a 2296# we need to build at least one lib type
93b3c083 2297if ! enabled_any static shared; then
320d060a
DB
2298 cat <<EOF
2299At least one library type must be built.
2300Specify --enable-static to build the static libraries or --enable-shared to
2301build the shared libraries as well. To only build the shared libraries specify
2302--disable-static in addition to --enable-shared.
2303EOF
2304 exit 1;
2305fi
2306
abc4e572 2307disabled static && LIBNAME=""
2a320695 2308
a2234ceb
RP
2309if enabled_any libfaad libfaadbin ; then
2310 if check_header faad.h; then
295b8c70 2311 check_cc <<EOF
a2234ceb
RP
2312#include <faad.h>
2313#ifndef FAAD2_VERSION
2314ok faad1
2315#endif
db817cf3 2316int main(void) { return 0; }
a2234ceb
RP
2317EOF
2318 test $? = 0 && enable libfaad2
2319 else
ff3dac65 2320 die "FAAD test failed."
a2234ceb
RP
2321 fi
2322fi
2323
2324
2184c6f7 2325die_license_disabled() {
4c27207c 2326 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2327}
2328
2329die_license_disabled gpl libfaad2
2330die_license_disabled gpl libx264
2331die_license_disabled gpl libxvid
2332die_license_disabled gpl postproc
2333die_license_disabled gpl x11grab
2334
2f7ae63b 2335die_license_disabled nonfree libfaac
b2e3c528 2336
0b175caa
DB
2337die_license_disabled version3 libopencore_amrnb
2338die_license_disabled version3 libopencore_amrwb
2339
9cad0e4e 2340enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2341
9eeed841 2342check_deps $ARCH_EXT_LIST
0f3cb305 2343
40617a6d 2344disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2345
e276d9e8
MR
2346enable_pic() {
2347 enable pic
bce7b696
MR
2348 add_cppflags -DPIC
2349 add_cflags -fPIC
2350 add_asflags -fPIC
e276d9e8
MR
2351}
2352
2353enabled pic && enable_pic
bce7b696 2354
b4d96ba2
MR
2355check_cc <<EOF || die "Symbol mangling check failed."
2356int ff_extern;
2357EOF
8182dc34 2358sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2359extern_prefix=${sym%%ff_extern*}
2360
f65883c8
MR
2361check_cc <<EOF && enable inline_asm
2362void foo(void) { __asm__ volatile ("" ::); }
2363EOF
61d251db 2364
df5e3978
MR
2365_restrict=
2366for restrict_keyword in restrict __restrict__ __restrict; do
2367 check_cc <<EOF && _restrict=$restrict_keyword && break
2368void foo(char * $restrict_keyword p);
2369EOF
2370done
2371
2372check_cc <<EOF && enable attribute_packed
2373struct { int x; } __attribute__((packed)) x;
2374EOF
2375
dffb41b9
MR
2376check_cc <<EOF && enable attribute_may_alias
2377union { int x; } __attribute__((may_alias)) x;
2378EOF
2379
df5e3978
MR
2380check_cc <<EOF || die "endian test failed"
2381unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2382EOF
48fc536a 2383od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2384
e939cedd
MR
2385if enabled alpha; then
2386
2387 check_cflags -mieee
2388
2389elif enabled arm; then
e45391bb 2390
50fa82e6
MR
2391 check_cflags -marm
2392
fa0912fe
MR
2393 check_ld <<EOF && enable vfp_args
2394__asm__ (".eabi_attribute 28, 1");
2395int main(void) { return 0; }
2396EOF
2397
2398 # We have to check if pld is a nop and disable it.
2399 check_asm pld '"pld [r0]"'
2400
2401 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2402 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2403 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2404 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2405 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2406 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2407
e276d9e8
MR
2408 enabled_all armv6t2 shared !pic && enable_pic
2409
e939cedd
MR
2410elif enabled ia64; then
2411
2412 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2413 enabled shared && enable_weak hardcoded_tables
2414
fa0912fe 2415elif enabled mips; then
e45391bb 2416
fa0912fe
MR
2417 check_asm loongson '"dmult.g $1, $2, $3"'
2418 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2419
fa0912fe 2420elif enabled ppc; then
e45391bb 2421
e6a0c354
MR
2422 enable local_aligned_8 local_aligned_16
2423
fa0912fe
MR
2424 check_asm dcbzl '"dcbzl 0, 1"'
2425 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2426 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2427
2428 # AltiVec flags: The FSF version of GCC differs from the Apple version
2429 if enabled altivec; then
2430 check_cflags -maltivec -mabi=altivec &&
2431 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2432 check_cflags -faltivec
2433
2434 # check if our compiler supports Motorola AltiVec C API
2435 check_cc <<EOF || disable altivec
2436$inc_altivec_h
2437int main(void) {
2438 vector signed int v1, v2, v3;
2439 v1 = vec_add(v2,v3);
2440 return 0;
2441}
2442EOF
2443
2444 # check if our compiler supports braces for vector declarations
2445 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2446$inc_altivec_h
2447int main (void) { (vector int) {1}; return 0; }
2448EOF
2449 fi
e45391bb 2450
fa0912fe 2451elif enabled sparc; then
e45391bb 2452
fa0912fe
MR
2453 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2454 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2455
fa0912fe 2456elif enabled x86; then
e45391bb 2457
e6a0c354
MR
2458 enable local_aligned_8 local_aligned_16
2459
44965991
PI
2460 # check whether EBP is available on x86
2461 # As 'i' is stored on the stack, this program will crash
2462 # if the base pointer is used to access it because the
2463 # base pointer is cleared in the inline assembly code.
7dfef245 2464 check_exec_crash <<EOF && enable ebp_available
44965991 2465 volatile int i=0;
be449fca 2466 __asm__ volatile (
44965991
PI
2467 "xorl %%ebp, %%ebp"
2468 ::: "%ebp");
2469 return i;
44965991
PI
2470EOF
2471
f494213c 2472 # check whether EBX is available on x86
7cee5421
MR
2473 check_asm ebx_available '""::"b"(0)' &&
2474 check_asm ebx_available '"":::"%ebx"'
8e380710 2475
d3a4b4e0
DB
2476 # check whether more than 10 operands are supported
2477 check_cc <<EOF && enable ten_operands
2478int main(void) {
2479 int x=0;
2480 __asm__ volatile(
2481 ""
2482 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2483 );
2484 return 0;
2485}
2486EOF
2487
d7f0920b 2488 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2489 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2490 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2491
2492 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2493
d52481b9 2494 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2495 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2496 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2497 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2498 case "$objformat" in
2499 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2500 esac
7595a5e4 2501 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2502
669b5583
MR
2503 case "$cpu" in
2504 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2505 disable fast_clz
2506 ;;
2507 esac
2508
44965991
PI
2509fi
2510
a98bb16d
RP
2511if check_func dlopen; then
2512 ldl=
2513elif check_func dlopen -ldl; then
2514 ldl=-ldl
8bf5d58f
MN
2515fi
2516
75ecf149
DB
2517# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2518check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2519
7483e694 2520check_func fork
84882df6 2521check_func getaddrinfo $network_extralibs
7483e694
DB
2522check_func gethrtime
2523check_func getrusage
fc5607f8 2524check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2525check_func inet_aton $network_extralibs
abfc8d05 2526check_func isatty
4ae40685 2527check_func ${malloc_prefix}memalign && enable memalign
7483e694 2528check_func mkstemp
4ae40685 2529check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2530check_func setrlimit
87958234 2531check_func strerror_r
b507ebd1 2532check_func_headers io.h setmode
e4673692 2533check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2534check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2535check_func_headers windows.h GetProcessTimes
7c5bfe7a 2536check_func_headers windows.h VirtualAlloc
6ffa87d3 2537
e16e49ac 2538check_header conio.h
a98bb16d 2539check_header dlfcn.h
92c6a099 2540check_header dxva2api.h
a98bb16d 2541check_header malloc.h
bf6ce82d 2542check_header poll.h
b58412f1 2543check_header sys/mman.h
b091aa44 2544check_header sys/resource.h
bf6ce82d 2545check_header sys/select.h
a98bb16d 2546check_header termios.h
272081b0
CEH
2547check_header vdpau/vdpau.h
2548check_header vdpau/vdpau_x11.h
68178ca9 2549check_header X11/extensions/XvMClib.h
a98bb16d 2550
9104cd51
RP
2551check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2552
89e053f8
MR
2553if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2554 enabled_any $need_memalign ; then
1f91cdce 2555 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2556fi
e16e49ac 2557
a4fa192c 2558disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2559disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2560
2561# check for some common methods of building with pthread support
2562# do this before the optional library checks as some of them require pthreads
2563if enabled pthreads; then
9e7fd101
MR
2564 if check_func pthread_create; then
2565 :
2566 elif check_func pthread_create -pthread; then
2567 add_cflags -pthread
afc9aee2 2568 add_extralibs -pthread
9e7fd101
MR
2569 elif check_func pthread_create -pthreads; then
2570 add_cflags -pthreads
afc9aee2 2571 add_extralibs -pthreads
8d94f606
GT
2572 elif check_func pthread_create -lpthreadGC2; then
2573 add_extralibs -lpthreadGC2
9e7fd101
MR
2574 elif ! check_lib pthread.h pthread_create -lpthread; then
2575 die "ERROR: can't find pthreads library"
2576 fi
57bd82d4
MR
2577fi
2578
8eee7025 2579for thread in $THREADS_LIST; do
e5f94c2b 2580 if enabled $thread; then
3ae3b721
RP
2581 test -n "$thread_type" &&
2582 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2583 thread_type="$thread"
e5f94c2b
RP
2584 fi
2585done
2586
fdf88598 2587check_lib math.h sin -lm
ff418735 2588check_lib va/va.h vaInitialize -lva
fdf88598 2589
645d2652
MR
2590check_mathfunc exp2
2591check_mathfunc exp2f
2592check_mathfunc llrint
2593check_mathfunc log2
2594check_mathfunc log2f
2595check_mathfunc lrint
2596check_mathfunc lrintf
2597check_mathfunc round
2598check_mathfunc roundf
2599check_mathfunc truncf
f32adb22 2600
57bd82d4 2601# these are off by default, so fail if requested and not available
a1b3c5a3 2602enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2603enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2604 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2605 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2606enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2607enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
5af41508 2608enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2609enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2610enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2611enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2612enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2613enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
0f943ce6 2614enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init -lrtmp
36718e51
DB
2615enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2616 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2617enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2618enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2619enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
e69bb386 2620enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
76d81909
JGG
2621 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2622 die "ERROR: libx264 version must be >= 0.83."; }
2bfecf73 2623enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2624enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2625
0b4a1821
AS
2626# libdc1394 check
2627if enabled libdc1394; then
2628 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2629 enable libdc1394_2; } ||
2630 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2631 enable libdc1394_1; } ||
2632 die "ERROR: No version of libdc1394 found "
2633fi
2634
6a1a892f 2635SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2636if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2637 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2638 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2639 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2640 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2641 enable sdl &&
2642 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2643fi
57bd82d4 2644
2270b4b2 2645texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2646
73b46a95 2647if enabled network; then
96000432 2648 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2649 check_type netdb.h "struct addrinfo"
b4d68544
MS
2650 check_type netinet/in.h "struct ipv6_mreq"
2651 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2652 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2653 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2654 # Prefer arpa/inet.h over winsock2
2655 if check_header arpa/inet.h ; then
2656 check_func closesocket
2657 elif check_header winsock2.h ; then
f4c13872
MS
2658 check_func_headers winsock2.h closesocket -lws2 && \
2659 network_extralibs="-lws2" || \
2660 { check_func_headers winsock2.h closesocket -lws2_32 && \
2661 network_extralibs="-lws2_32"; }
72be9e73 2662 check_type ws2tcpip.h socklen_t
c0018613 2663 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2664 check_type ws2tcpip.h "struct ipv6_mreq"
2665 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2666 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2667 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2668 else
2669 disable network
73b46a95
RP
2670 fi
2671fi
2672
06e31011
RP
2673check_header linux/videodev.h
2674check_header linux/videodev2.h
1b6e8b73 2675check_header sys/videoio.h
47f38850 2676
27796dc3 2677check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2678
f8aa696f 2679# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2680{ check_header dev/bktr/ioctl_meteor.h &&
2681 check_header dev/bktr/ioctl_bt848.h; } ||
2682{ check_header machine/ioctl_meteor.h &&
2683 check_header machine/ioctl_bt848.h; } ||
2684{ check_header dev/video/meteor/ioctl_meteor.h &&
2685 check_header dev/video/bktr/ioctl_bt848.h; } ||
2686check_header dev/ic/bt8xx.h
f8aa696f 2687
c7682de0
RP
2688check_header sys/soundcard.h
2689check_header soundcard.h
deb29777 2690
b6f3d925 2691enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2692
0e57fe17 2693enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2694
56a059ac 2695enabled x11grab &&
f58f4ce1
GP
2696check_header X11/Xlib.h &&
2697check_header X11/extensions/XShm.h &&
0a045661 2698check_header X11/extensions/Xfixes.h &&
f58f4ce1 2699check_func XOpenDisplay -lX11 &&
781c1aa6
R
2700check_func XShmCreateImage -lX11 -lXext &&
2701check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2702
598ef02b 2703if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2704check_cpp_condition \
2705 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2706 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2707 disable vdpau; }
abf649c7 2708fi
deda2a4a 2709
95e561ec 2710enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2711
2712# add some useful compiler flags if supported
2713check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2714check_cflags -Wall
2715check_cflags -Wno-switch
c07bd6a9
MN
2716check_cflags -Wdisabled-optimization
2717check_cflags -Wpointer-arith
2718check_cflags -Wredundant-decls
cc1fb623 2719check_cflags -Wno-pointer-sign
f4929996 2720check_cflags -Wcast-qual
9aceb3cf 2721check_cflags -Wwrite-strings
652a5bf6 2722check_cflags -Wtype-limits
764551c6 2723check_cflags -Wundef
fc298fd9 2724check_cflags -Wmissing-prototypes
5af4e0cc 2725enabled extra_warnings && check_cflags -Winline
cf9d24ad 2726
57bd82d4 2727# add some linker flags
5c0e9479 2728check_ldflags -Wl,--warn-common
8351d2ba
DB
2729check_ldflags -Wl,--as-needed
2730check_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 2731check_ldflags -Wl,-Bsymbolic
94a3401e 2732
a482e61b
MR
2733echo "X{};" > $TMPV
2734test_ldflags -Wl,--version-script,$TMPV &&
2735 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2736
bd2216e4 2737if enabled small; then
14ca9cd0 2738 add_cflags $size_cflags
8400d6b8
DB
2739 optimizations="small"
2740elif enabled optimizations; then
14ca9cd0 2741 add_cflags $speed_cflags
cddf3f45 2742fi
11fdbc44 2743check_cflags -fno-math-errno
b2eb2ff0 2744check_cflags -fno-signed-zeros
cddf3f45 2745
629687f6 2746if enabled icc; then
b1598b58
MR
2747 # Just warnings, no remarks
2748 check_cflags -w1
2749 # -wd: Disable following warnings
2750 # 144, 167, 556: -Wno-pointer-sign
2751 # 10006: ignoring unknown option -fno-signed-zeros
2752 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2753 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2754 # 11030: Warning unknown option --as-needed
2755 # 10156: ignoring option '-export'; no argument required
2756 check_ldflags -wd10156,11030
2757 # Allow to compile with optimizations
2758 check_ldflags -march=$cpu
be2cf98a
CEH
2759 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2760 enable ebp_available
df442a8d
MR
2761elif enabled ccc; then
2762 # disable some annoying warnings
2763 add_cflags -msg_disable cvtu32to64
2764 add_cflags -msg_disable embedcomment
2765 add_cflags -msg_disable needconstext
2766 add_cflags -msg_disable nomainieee
2767 add_cflags -msg_disable ptrmismatch1
2768 add_cflags -msg_disable unreachcode
973859f5
MR
2769elif enabled gcc; then
2770 check_cflags -fno-tree-vectorize
62df111c 2771 check_cflags -Werror=implicit
de63bfec 2772 check_cflags -Werror=missing-prototypes
06da6943
DC
2773elif enabled clang; then
2774 check_cflags -Qunused-arguments
138132be
MR
2775elif enabled armcc; then
2776 # 2523: use of inline assembler is deprecated
2777 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2778 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2779elif enabled tms470; then
2780 add_cflags -pds=824 -pds=837
504a64b9
CEH
2781fi
2782
90be59ef 2783if enabled gprof; then
0f010b2f
DB
2784 add_cflags -p
2785 add_ldflags -p
1db54e20
DB
2786fi
2787
7f3c02fc 2788# Find out if the .align argument is a power of two or not.
9377b6ce 2789check_asm asmalign_pot '".align 3"'
4454dc1b 2790
7483e694
DB
2791enabled_any $DECODER_LIST && enable decoders
2792enabled_any $ENCODER_LIST && enable encoders
5666fd73 2793enabled_any $HWACCEL_LIST && enable hwaccels
7483e694
DB
2794enabled_any $BSF_LIST && enable bsfs
2795enabled_any $DEMUXER_LIST && enable demuxers
2796enabled_any $MUXER_LIST && enable muxers
f7679c54 2797enabled_any $FILTER_LIST && enable filters
63d72fda
DB
2798enabled_any $INDEV_LIST && enable indevs
2799enabled_any $OUTDEV_LIST && enable outdevs
7483e694
DB
2800enabled_any $PROTOCOL_LIST && enable protocols
2801
2802enabled_any $THREADS_LIST && enable threads
2803
2804check_deps $CONFIG_LIST \
b6bb00b0 2805 $CONFIG_EXTRA \
7483e694
DB
2806 $HAVE_LIST \
2807 $DECODER_LIST \
2808 $ENCODER_LIST \
5666fd73 2809 $HWACCEL_LIST \
7483e694
DB
2810 $PARSER_LIST \
2811 $BSF_LIST \
2812 $DEMUXER_LIST \
2813 $MUXER_LIST \
f7679c54 2814 $FILTER_LIST \
7483e694
DB
2815 $INDEV_LIST \
2816 $OUTDEV_LIST \
2817 $PROTOCOL_LIST \
f70f03f6 2818
c8a4ae00
MR
2819enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2820
3e89171a 2821echo "install prefix $prefix"
f36958f8
DB
2822echo "source path $source_path"
2823echo "C compiler $cc"
bfd5afd8 2824echo ".align is power-of-two $asmalign_pot"
f36958f8 2825echo "ARCH $arch ($cpu)"
ce8871c2
MR
2826if test "$build_suffix" != ""; then
2827 echo "build suffix $build_suffix"
eb94aca9 2828fi
ac63af34
DB
2829if test "$extra_version" != ""; then
2830 echo "version string suffix $extra_version"
2831fi
0db2ce77 2832echo "big-endian ${bigendian-no}"
e90f5b5a 2833echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2834if enabled x86; then
af44e8e4 2835 echo "yasm ${yasm-no}"
0db2ce77 2836 echo "MMX enabled ${mmx-no}"
30e98e62 2837 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2838 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2839 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2840 echo "SSE enabled ${sse-no}"
30e98e62 2841 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2842 echo "CMOV enabled ${cmov-no}"
2843 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2844 echo "EBX available ${ebx_available-no}"
2845 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2846 echo "10 operands supported ${ten_operands-no}"
e41e8342 2847fi
5b6c2cbd 2848if enabled arm; then
0db2ce77
MR
2849 echo "ARMv5TE enabled ${armv5te-no}"
2850 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2851 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2852 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2853 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2854 echo "NEON enabled ${neon-no}"
eba9ae3c 2855fi
5b6c2cbd 2856if enabled mips; then
0db2ce77 2857 echo "MMI enabled ${mmi-no}"
e41e8342 2858fi
5b6c2cbd 2859if enabled ppc; then
0db2ce77 2860 echo "AltiVec enabled ${altivec-no}"
30e98e62 2861 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2862 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2863 echo "performance report ${powerpc_perf-no}"
2864fi
2865if enabled sparc; then
2866 echo "VIS enabled ${vis-no}"
e41e8342 2867fi
0db2ce77
MR
2868echo "gprof enabled ${gprof-no}"
2869echo "debug symbols ${debug-no}"
87a0fb62 2870echo "strip symbols ${stripping-no}"
8400d6b8 2871echo "optimizations ${optimizations-no}"
0db2ce77
MR
2872echo "static ${static-no}"
2873echo "shared ${shared-no}"
4a24ab64 2874echo "postprocessing support ${postproc-no}"
f7679c54 2875echo "new filter support ${avfilter-no}"
81124ba0 2876echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2877echo "network support ${network-no}"
0db2ce77
MR
2878echo "threading support ${thread_type-no}"
2879echo "SDL support ${sdl-no}"
0db2ce77
MR
2880echo "Sun medialib support ${mlib-no}"
2881echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2882echo "libdc1394 support ${libdc1394-no}"
690bfceb 2883echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2884echo "libfaac enabled ${libfaac-no}"
2885echo "libfaad enabled ${libfaad-no}"
7e0871a7 2886echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2887echo "libgsm enabled ${libgsm-no}"
2888echo "libmp3lame enabled ${libmp3lame-no}"
2889echo "libnut enabled ${libnut-no}"
0b175caa
DB
2890echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2891echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2892echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2893echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2894echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2895echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2896echo "libtheora enabled ${libtheora-no}"
2897echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2898echo "libx264 enabled ${libx264-no}"
2899echo "libxvid enabled ${libxvid-no}"
0db2ce77 2900echo "zlib enabled ${zlib-no}"
f402916e 2901echo "bzlib enabled ${bzlib-no}"
2c62e737 2902echo
de6d9b64 2903
5666fd73 2904for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2905 echo "Enabled ${type}s:"
f65c9da1 2906 eval list=\$$(toupper $type)_LIST
8138b9db 2907 for part in $list; do
f65c9da1
MR
2908 enabled $part && echo ${part%_*}
2909 done | sort | pr -3 -t
2910 echo
8138b9db
RP
2911done
2912
ba7a7039 2913license="LGPL version 2.1 or later"
ba321adb 2914if enabled nonfree; then
ba7a7039 2915 license="nonfree and unredistributable"
9cad0e4e
DB
2916elif enabled gplv3; then
2917 license="GPL version 3 or later"
2918elif enabled lgplv3; then
2919 license="LGPL version 3 or later"
ba321adb 2920elif enabled gpl; then
ba7a7039 2921 license="GPL version 2 or later"
ba321adb
JK
2922fi
2923
2924echo "License: $license"
ca5323af 2925
cf1392e9
DB
2926echo "Creating config.mak and config.h..."
2927
df642790
MR
2928# build tree in object directory if source path is different from current one
2929if enabled source_path_used; then
2930 DIRS="
2931 doc
2932 libavcodec
2933 libavcodec/$arch
2934 libavdevice
2935 libavfilter
2936 libavformat
2937 libavutil
2938 libavutil/$arch
2939 libpostproc
2940 libswscale
2941 libswscale/$arch
2942 tests
2943 tools
2944 "
2945 FILES="
2946 Makefile
2947 common.mak
2948 subdir.mak
2949 doc/texi2pod.pl
2950 libavcodec/Makefile
43f60eba 2951 libavcodec/${arch}/Makefile
df642790
MR
2952 libavdevice/Makefile
2953 libavfilter/Makefile
2954 libavformat/Makefile
2955 libavutil/Makefile
2956 libpostproc/Makefile
2957 libswscale/Makefile
2958 "
e0e335a0 2959 map 'mkdir -p $v' $DIRS;
43f60eba 2960 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2961fi
2962
ad212cc6
MR
2963enabled stripping || strip="echo skipping strip"
2964
173c983b
MR
2965cat > config.mak <<EOF
2966# Automatically generated by configure - do not modify!
2967ifndef FFMPEG_CONFIG_MAK
2968FFMPEG_CONFIG_MAK=1
2969FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2970prefix=$prefix
2971LIBDIR=\$(DESTDIR)$libdir
2972SHLIBDIR=\$(DESTDIR)$shlibdir
2973INCDIR=\$(DESTDIR)$incdir
2974BINDIR=\$(DESTDIR)$bindir
2975DATADIR=\$(DESTDIR)$datadir
2976MANDIR=\$(DESTDIR)$mandir
2977SRC_PATH="$source_path"
2978SRC_PATH_BARE=$source_path
2979BUILD_ROOT="$PWD"
2980ARCH=$arch
2981CC=$cc
2982AS=$as
2983LD=$ld
2984DEPCC=$dep_cc
2985YASM=$yasmexe
a4aea515 2986YASMDEP=$yasmexe
173c983b
MR
2987AR=$ar
2988RANLIB=$ranlib
4335125c 2989CP=cp -p
173c983b
MR
2990LN_S=$ln_s
2991STRIP=$strip
2992CPPFLAGS=$CPPFLAGS
2993CFLAGS=$CFLAGS
2994ASFLAGS=$ASFLAGS
2995CC_O=$CC_O
2996LDFLAGS=$LDFLAGS
2997FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2998SHFLAGS=$SHFLAGS
2999YASMFLAGS=$YASMFLAGS
3000BUILDSUF=$build_suffix
3001FULLNAME=$FULLNAME
3002LIBPREF=$LIBPREF
3003LIBSUF=$LIBSUF
3004LIBNAME=$LIBNAME
3005SLIBPREF=$SLIBPREF
3006SLIBSUF=$SLIBSUF
3007EXESUF=$EXESUF
3008EXTRA_VERSION=$extra_version
3009DEPFLAGS=$DEPFLAGS
3010CCDEP=$CCDEP
3011ASDEP=$ASDEP
3012CC_DEPFLAGS=$CC_DEPFLAGS
3013AS_DEPFLAGS=$AS_DEPFLAGS
3014HOSTCC=$host_cc
3015HOSTCFLAGS=$host_cflags
3016HOSTEXESUF=$HOSTEXESUF
3017HOSTLDFLAGS=$host_ldflags
3018HOSTLIBS=$host_libs
3019TARGET_EXEC=$target_exec
3020TARGET_PATH=$target_path
3021SDL_LIBS=$sdl_libs
3022SDL_CFLAGS=$sdl_cflags
3023LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3024EXTRALIBS=$extralibs
fd676deb 3025INSTALL=install
1afc4750
MR
3026LIBTARGET=${LIBTARGET}
3027SLIBNAME=${SLIBNAME}
3028SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3029SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3030SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3031SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3032SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3033SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 3034SAMPLES=$samples
173c983b 3035EOF
5a872801 3036
719c8e00
MR
3037get_version(){
3038 name=$1
3039 file=$source_path/$2
147e7692
MR
3040 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3041 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3042 lcname=$(tolower $name)
3043 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3044 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3045}
3046
147e7692
MR
3047get_version LIBSWSCALE libswscale/swscale.h
3048get_version LIBPOSTPROC libpostproc/postprocess.h
3049get_version LIBAVCODEC libavcodec/avcodec.h
3050get_version LIBAVDEVICE libavdevice/avdevice.h
3051get_version LIBAVFORMAT libavformat/avformat.h
3052get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3053get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3054
173c983b
MR
3055enabled asmalign_pot || align_shift="1 <<"
3056
3057cat > $TMPH <<EOF
3058/* Automatically generated by configure - do not modify! */
3059#ifndef FFMPEG_CONFIG_H
3060#define FFMPEG_CONFIG_H
3061#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3062#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3063#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3064#define CC_TYPE "$cc_type"
3065#define CC_VERSION $cc_version
3066#define restrict $_restrict
3067#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3068#define EXTERN_PREFIX "${extern_prefix}"
3069#define EXTERN_ASM ${extern_prefix}
3070EOF
523ef551 3071
4ae40685
MR
3072test -n "$malloc_prefix" &&
3073 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3074
523ef551 3075if enabled small || disabled optimizations; then
9a894c48 3076 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3077 echo "#define av_always_inline" >> $TMPH
3078fi
3079
3d907e22
MR
3080print_config ARCH_ $TMPH config.mak $ARCH_LIST
3081print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3082print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3083 $CONFIG_EXTRA \
7483e694
DB
3084 $DECODER_LIST \
3085 $ENCODER_LIST \
5666fd73 3086 $HWACCEL_LIST \
7483e694
DB
3087 $PARSER_LIST \
3088 $BSF_LIST \
3089 $DEMUXER_LIST \
3090 $MUXER_LIST \
f7679c54 3091 $FILTER_LIST \
7483e694
DB
3092 $PROTOCOL_LIST \
3093 $INDEV_LIST \
3094 $OUTDEV_LIST \
8ac17293 3095
9c05103f 3096echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3097echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3098
b7860763 3099# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3100cp_if_changed $TMPH config.h
3d204385 3101
a3e02a8c
MR
3102cat > $TMPH <<EOF
3103/* Generated by ffconf */
3104#ifndef AVUTIL_AVCONFIG_H
3105#define AVUTIL_AVCONFIG_H
3106EOF
3107
3108print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3109
3110echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3111
3112cp_if_changed $TMPH libavutil/avconfig.h
3113
d0674868 3114# build pkg-config files
def4272a 3115
d0674868
DB
3116pkgconfig_generate(){
3117name=$1
b0dfd108 3118shortname=${name#lib}${build_suffix}
d0674868
DB
3119comment=$2
3120version=$3
3121libs=$4
3122requires=$5
25cd5cb3 3123cat <<EOF > $name/$name.pc
3e89171a 3124prefix=$prefix
a94e666c 3125exec_prefix=\${prefix}
f2b7382c 3126libdir=$libdir
7622778e 3127includedir=$incdir
def4272a 3128
d0674868
DB
3129Name: $name
3130Description: $comment
3131Version: $version
8cd6b388 3132Requires: $(enabled shared || echo $requires)
5dcfe9f8 3133Requires.private: $(enabled shared && echo $requires)
def4272a 3134Conflicts:
8cd6b388 3135Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3136Libs.private: $(enabled shared && echo $libs)
76a448ed 3137Cflags: -I\${includedir}
def4272a 3138EOF
25cd5cb3 3139cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3140prefix=
3141exec_prefix=
46d1ff83 3142libdir=\${pcfiledir}
1d44d365 3143includedir=${source_path}
def4272a 3144
d0674868
DB
3145Name: $name
3146Description: $comment
3147Version: $version
3148Requires: $requires
def4272a 3149Conflicts:
12701f6e 3150Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3151Cflags: -I\${includedir}
3152EOF
d0674868 3153}
def4272a 3154
e426941d 3155pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3156pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3157pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3158pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3159enabled avfilter &&
46983309 3160 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3161enabled postproc &&
e426941d 3162 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3163pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"