fate: Add a --target-samples path parameter
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
070c5d0f 3# Libav configure script
f57620d5 4#
949906ea
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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
c21d6325
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
070c5d0f 47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
505dfb09 48 echo "Instead, install a working POSIX-compatible shell."
070c5d0f 49 echo "Disabling this configure test will create a broken Libav."
c21d6325
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
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54 exit 1
55fi
56
a77f01c7
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57test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
74c53c2d 59show_help(){
f69f51b3 60 cat <<EOF
06454877
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61Usage: configure [options]
62Options: [defaults in brackets after descriptions]
63
3b327a4b 64Help options:
06454877 65 --help print this message
3b327a4b
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66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78Standard options:
19bd477d 79 --logfile=FILE log tests and output to FILE [config.log]
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80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
6291d7e4 83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
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84 --libdir=DIR install libs in DIR [PREFIX/lib]
85 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
86 --incdir=DIR install includes in DIR [PREFIX/include]
87 --mandir=DIR install man page in DIR [PREFIX/share/man]
88
3b327a4b 89Licensing options:
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90 --enable-gpl allow use of GPL code, the resulting libs
91 and binaries will be under GPL [no]
92 --enable-version3 upgrade (L)GPL to version 3 [no]
93 --enable-nonfree allow use of nonfree code, the resulting libs
94 and binaries will be unredistributable [no]
3b327a4b
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95
96Configuration options:
97 --disable-static do not build static libraries [no]
98 --enable-shared build shared libraries [no]
99 --enable-small optimize for size instead of speed
100 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
844c6852 103 --disable-all disable building components, libraries and programs
3b327a4b 104
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105Program options:
106 --disable-programs do not build command line programs
6291d7e4 107 --disable-avconv disable avconv build
266463da 108 --disable-avplay disable avplay build
9e12f0bf 109 --disable-avprobe disable avprobe build
4d58e4cb 110 --disable-avserver disable avserver build
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111
112Component options:
113 --disable-doc do not build documentation
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114 --disable-avdevice disable libavdevice build
115 --disable-avcodec disable libavcodec build
116 --disable-avformat disable libavformat build
d89f2fa9 117 --disable-avutil disable libavutil build
5a0f7131 118 --disable-swscale disable libswscale build
cccc039f 119 --disable-avfilter disable video filter support [no]
c8af852b 120 --disable-avresample disable libavresample build [no]
0dbfc1db 121 --disable-pthreads disable pthreads [auto]
7b7b220c 122 --disable-w32threads disable Win32 threads [auto]
06454877 123 --disable-network disable network support [no]
7f3f5f46 124 --disable-dct disable DCT code
0b499c9b 125 --disable-error-resilience disable error resilience code
193cdd9a 126 --disable-lsp disable LSP code
2a91ada8 127 --disable-lzo disable LZO decoder code
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128 --disable-mdct disable MDCT code
129 --disable-rdft disable RDFT code
3b327a4b 130 --disable-fft disable FFT code
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131
132Hardware accelerators:
3b327a4b 133 --enable-dxva2 enable DXVA2 code
dcb73592 134 --enable-vaapi enable VAAPI code
ac3dbb4d 135 --enable-vda enable VDA code
e8f6bd4b 136 --enable-vdpau enable VDPAU code
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137
138Individual component options:
bb55e3a3 139 --disable-everything disable all components listed below
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140 --disable-encoder=NAME disable encoder NAME
141 --enable-encoder=NAME enable encoder NAME
142 --disable-encoders disable all encoders
143 --disable-decoder=NAME disable decoder NAME
144 --enable-decoder=NAME enable decoder NAME
145 --disable-decoders disable all decoders
146 --disable-hwaccel=NAME disable hwaccel NAME
147 --enable-hwaccel=NAME enable hwaccel NAME
148 --disable-hwaccels disable all hwaccels
149 --disable-muxer=NAME disable muxer NAME
150 --enable-muxer=NAME enable muxer NAME
151 --disable-muxers disable all muxers
152 --disable-demuxer=NAME disable demuxer NAME
153 --enable-demuxer=NAME enable demuxer NAME
154 --disable-demuxers disable all demuxers
155 --enable-parser=NAME enable parser NAME
156 --disable-parser=NAME disable parser NAME
157 --disable-parsers disable all parsers
158 --enable-bsf=NAME enable bitstream filter NAME
159 --disable-bsf=NAME disable bitstream filter NAME
160 --disable-bsfs disable all bitstream filters
161 --enable-protocol=NAME enable protocol NAME
162 --disable-protocol=NAME disable protocol NAME
163 --disable-protocols disable all protocols
3b327a4b 164 --enable-indev=NAME enable input device NAME
06454877 165 --disable-indev=NAME disable input device NAME
06454877 166 --disable-indevs disable input devices
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167 --enable-outdev=NAME enable output device NAME
168 --disable-outdev=NAME disable output device NAME
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169 --disable-outdevs disable output devices
170 --disable-devices disable all devices
171 --enable-filter=NAME enable filter NAME
172 --disable-filter=NAME disable filter NAME
173 --disable-filters disable all filters
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174
175External library support:
176 --enable-avisynth enable reading of AVISynth script files [no]
177 --enable-bzlib enable bzlib [autodetect]
47941088 178 --enable-frei0r enable frei0r video filtering
bc8c1395 179 --enable-gnutls enable gnutls [no]
e417d80d 180 --enable-libcdio enable audio CD grabbing with libcdio
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181 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
182 and libraw1394 [no]
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183 --enable-libfaac enable AAC encoding via libfaac [no]
184 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
a5b64584 185 --enable-libfreetype enable libfreetype [no]
c547e5ff 186 --enable-libgsm enable GSM de/encoding via libgsm [no]
3641b048 187 --enable-libilbc enable iLBC de/encoding via libilbc [no]
06454877 188 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
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189 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
190 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
191 --enable-libopencv enable video filtering via libopencv [no]
453c02f9 192 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
44617d6e 193 --enable-libopus enable Opus decoding via libopus [no]
7c922411 194 --enable-libpulse enable Pulseaudio input via libpulse [no]
0f943ce6 195 --enable-librtmp enable RTMP[E] support via librtmp [no]
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196 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
197 --enable-libspeex enable Speex de/encoding via libspeex [no]
06454877 198 --enable-libtheora enable Theora encoding via libtheora [no]
d89e738a 199 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
f502ff3f 200 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
c547e5ff 201 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
3f111804 202 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
06454877 203 --enable-libx264 enable H.264 encoding via x264 [no]
de295976 204 --enable-libxavs enable AVS encoding via xavs [no]
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205 --enable-libxvid enable Xvid encoding via xvidcore,
206 native MPEG-4/Xvid encoder exists [no]
a060866f 207 --enable-openssl enable openssl [no]
45235ac4 208 --enable-x11grab enable X11 grabbing [no]
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209 --enable-zlib enable zlib [autodetect]
210
211Advanced options (experts only):
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212 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
213 --enable-cross-compile assume a cross-compiler is used
214 --sysroot=PATH root of cross-build tree
215 --sysinclude=PATH location of cross-build system headers
216 --target-os=OS compiler targets OS [$target_os]
217 --target-exec=CMD command to run executables on target
218 --target-path=DIR path to view of build directory on target
ba13606c 219 --target-samples=DIR path to samples directory on target
aeeb782c 220 --toolchain=NAME set tool defaults according to NAME
06454877 221 --nm=NM use nm tool
121d78d0 222 --ar=AR use archive tool AR [$ar_default]
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223 --as=AS use assembler AS [$as_default]
224 --cc=CC use C compiler CC [$cc_default]
193cdd9a 225 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
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226 --ld=LD use linker LD
227 --host-cc=HOSTCC use host C compiler HOSTCC
228 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
4cc4b33f 229 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
095792f2 230 --host-ld=HOSTLD use host linker HOSTLD
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231 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
232 --host-libs=HLIBS use libs HLIBS when linking for host
193cdd9a 233 --host-os=OS compiler host OS [$target_os]
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234 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
235 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
236 --extra-libs=ELIBS add ELIBS [$ELIBS]
237 --extra-version=STRING version string suffix []
193cdd9a 238 --optflags=OPTFLAGS override optimization-related compiler flags
06454877 239 --build-suffix=SUFFIX library name suffix []
3b327a4b 240 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
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241 --arch=ARCH select architecture [$arch]
242 --cpu=CPU select the minimum required CPU (affects
243 instruction selection, may crash on older CPUs)
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DB
244 --enable-pic build position-independent code
245 --enable-sram allow use of on-chip SRAM
193cdd9a 246 --enable-thumb compile for Thumb instruction set
3b327a4b 247 --disable-symver disable symbol versioning
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DB
248 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
249 --disable-safe-bitstream-reader
250 disable buffer boundary checking in bitreaders
251 (faster, but may crash)
252 --enable-memalign-hack emulate memalign, interferes with memory debuggers
65d12900 253 --enable-lto use link-time optimization
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254
255Optimization options (experts only):
c8a4ae00 256 --disable-asm disable all assembler optimizations
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257 --disable-altivec disable AltiVec optimizations
258 --disable-amd3dnow disable 3DNow! optimizations
259 --disable-amd3dnowext disable 3DNow! extended optimizations
260 --disable-mmx disable MMX optimizations
239fdf1b 261 --disable-mmxext disable MMXEXT optimizations
06454877 262 --disable-sse disable SSE optimizations
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263 --disable-sse2 disable SSE2 optimizations
264 --disable-sse3 disable SSE3 optimizations
06454877 265 --disable-ssse3 disable SSSE3 optimizations
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266 --disable-sse4 disable SSE4 optimizations
267 --disable-sse42 disable SSE4.2 optimizations
87f1355f 268 --disable-avx disable AVX optimizations
79687079 269 --disable-fma4 disable FMA4 optimizations
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270 --disable-armv5te disable armv5te optimizations
271 --disable-armv6 disable armv6 optimizations
272 --disable-armv6t2 disable armv6t2 optimizations
b3267559 273 --disable-vfp disable VFP optimizations
5ea20630 274 --disable-neon disable NEON optimizations
06454877 275 --disable-vis disable VIS optimizations
afb5ed55 276 --disable-inline-asm disable use of inline assembler
06454877 277 --disable-yasm disable use of yasm assembler
06454877 278
070c5d0f 279Developer options (useful when working on Libav itself):
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280 --disable-debug disable debugging symbols
281 --enable-debug=LEVEL set the debug level [$debuglevel]
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282 --disable-optimizations disable compiler optimizations
283 --enable-extra-warnings enable more compiler warnings
52b3cc60 284 --samples=PATH location of test samples for FATE, if not set use
9309bdfe 285 \$LIBAV_SAMPLES at make invocation time.
7e4d9d5d
RB
286 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
287 should be used only for debugging purposes)
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288 --enable-random randomly enable/disable components
289 --disable-random
290 --enable-random=LIST randomly enable/disable specific components or
291 --disable-random=LIST component groups. LIST is a comma-separated list
292 of NAME[:PROB] entries where NAME is a component
293 (group) and PROB the probability associated with
294 NAME (default 0.5).
295 --random-seed=VALUE seed value for --enable/disable-random
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296
297NOTE: Object files are built at the place where configure is launched.
298EOF
60e8bc13 299 exit 0
74c53c2d 300}
cf9d24ad 301
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302quotes='""'
303
57bd82d4 304log(){
2270b4b2 305 echo "$@" >> $logfile
57bd82d4
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306}
307
720c69da 308log_file(){
c8e9f801 309 log BEGIN $1
2270b4b2 310 pr -n -t $1 >> $logfile
c8e9f801
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311 log END $1
312}
313
2ba042a7 314echolog(){
c8e9f801 315 log "$@"
57bd82d4 316 echo "$@"
2ba042a7
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317}
318
7bfc8ae6
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319warn(){
320 log "WARNING: $*"
321 WARNINGS="${WARNINGS}WARNING: $*\n"
322}
323
2ba042a7
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324die(){
325 echolog "$@"
326 cat <<EOF
d326cf7f 327
2ba042a7 328If you think configure made a mistake, make sure you are using the latest
4a6a21f5 329version from Git. If the latest version fails, report the problem to the
070c5d0f 330libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
2ba042a7 331EOF
e155a21a 332 if disabled logging; then
2ba042a7 333 cat <<EOF
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334Rerun configure with logging enabled (do not use --disable-logging), and
335include the log this produces with your report.
2ba042a7
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336EOF
337 else
f69f51b3 338 cat <<EOF
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339Include the log file "$logfile" produced by configure as this will help
340solving the problem.
2ba042a7
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341EOF
342 fi
57bd82d4
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343 exit 1
344}
345
6c6007d6 346# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 347toupper(){
6c6007d6 348 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
349}
350
4a5444db 351tolower(){
6c6007d6 352 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
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353}
354
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355c_escape(){
356 echo "$*" | sed 's/["\\]/\\\0/g'
357}
358
b04251c5
MR
359sh_quote(){
360 v=$(echo "$1" | sed "s/'/'\\\\''/g")
d72c981c 361 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
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362 echo "$v"
363}
364
bb7a22b5
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365cleanws(){
366 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
367}
368
be8f2501
MR
369filter(){
370 pat=$1
371 shift
372 for v; do
98ef6079 373 eval "case $v in $pat) echo $v ;; esac"
be8f2501
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374 done
375}
376
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377filter_out(){
378 pat=$1
379 shift
380 for v; do
381 eval "case $v in $pat) ;; *) echo $v ;; esac"
382 done
383}
384
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385map(){
386 m=$1
387 shift
e0e335a0 388 for v; do eval $m; done
36e2dea0
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389}
390
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391add_suffix(){
392 suffix=$1
393 shift
394 for v; do echo ${v}${suffix}; done
395}
396
a8d04fba
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397set_all(){
398 value=$1
399 shift
400 for var in $*; do
401 eval $var=$value
402 done
403}
404
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405set_weak(){
406 value=$1
407 shift
408 for var; do
409 eval : \${$var:=$value}
410 done
411}
412
f868b24d
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413sanitize_var_name(){
414 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
415}
416
3f8040db
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417set_safe(){
418 var=$1
419 shift
f868b24d 420 eval $(sanitize_var_name "$var")='$*'
3f8040db
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421}
422
423get_safe(){
f868b24d 424 eval echo \$$(sanitize_var_name "$1")
3f8040db
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425}
426
799c9e9b 427pushvar(){
4d810ad2
MS
428 for pvar in $*; do
429 eval level=\${${pvar}_level:=0}
430 eval ${pvar}_${level}="\$$pvar"
431 eval ${pvar}_level=$(($level+1))
799c9e9b
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432 done
433}
434
435popvar(){
4d810ad2
MS
436 for pvar in $*; do
437 eval level=\${${pvar}_level:-0}
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438 test $level = 0 && continue
439 eval level=$(($level-1))
4d810ad2
MS
440 eval $pvar="\${${pvar}_${level}}"
441 eval ${pvar}_level=$level
442 eval unset ${pvar}_${level}
799c9e9b
MR
443 done
444}
445
a8d04fba
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446enable(){
447 set_all yes $*
448}
449
450disable(){
451 set_all no $*
452}
453
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454enable_weak(){
455 set_weak yes $*
456}
457
458disable_weak(){
459 set_weak no $*
460}
461
72702705 462enable_safe(){
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MR
463 for var; do
464 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
465 done
72702705
MR
466}
467
468disable_safe(){
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469 for var; do
470 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
471 done
72702705
MR
472}
473
f9d328da
MR
474do_enable_deep(){
475 for var; do
476 enabled $var && continue
477 eval sel="\$${var}_select"
c510c7b5
MR
478 eval sgs="\$${var}_suggest"
479 pushvar var sgs
f9d328da 480 enable_deep $sel
c510c7b5
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481 popvar sgs
482 enable_deep_weak $sgs
f9d328da
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483 popvar var
484 done
485}
486
487enable_deep(){
488 do_enable_deep $*
489 enable $*
490}
491
72a43668 492enable_deep_weak(){
ffb068ce
MS
493 for var; do
494 disabled $var && continue
495 pushvar var
496 do_enable_deep $var
497 popvar var
498 enable_weak $var
499 done
72a43668
MR
500}
501
57bd82d4 502enabled(){
3250003c
MR
503 test "${1#!}" = "$1" && op== || op=!=
504 eval test "x\$${1#!}" $op "xyes"
44161118
MR
505}
506
37970ebf 507disabled(){
3250003c
MR
508 test "${1#!}" = "$1" && op== || op=!=
509 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
510}
511
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512enabled_all(){
513 for opt; do
514 enabled $opt || return 1
515 done
516}
517
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DB
518disabled_all(){
519 for opt; do
520 disabled $opt || return 1
521 done
522}
523
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524enabled_any(){
525 for opt; do
526 enabled $opt && return 0
527 done
528}
529
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530disabled_any(){
531 for opt; do
532 disabled $opt && return 0
533 done
f7b230a7 534 return 1
85bca2c5
DB
535}
536
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537set_default(){
538 for opt; do
88268e94 539 eval : \${$opt:=\$${opt}_default}
c9d19248
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540 done
541}
542
4a0d6686
AJ
543is_in(){
544 value=$1
545 shift
546 for var in $*; do
547 [ $var = $value ] && return 0
548 done
549 return 1
550}
551
d4f8cecc 552do_check_deps(){
30fd06be 553 for cfg; do
3250003c 554 cfg="${cfg#!}"
799c9e9b
MR
555 enabled ${cfg}_checking && die "Circular dependency for $cfg."
556 disabled ${cfg}_checking && continue
557 enable ${cfg}_checking
d4f8cecc 558 append allopts $cfg
799c9e9b 559
30fd06be
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560 eval dep_all="\$${cfg}_deps"
561 eval dep_any="\$${cfg}_deps_any"
7ef3425f 562 eval dep_sel="\$${cfg}_select"
c510c7b5 563 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
564 eval dep_ifa="\$${cfg}_if"
565 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 566
3d7453e0 567 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
d4f8cecc 568 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
3d7453e0 569 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 570
3d7453e0
MR
571 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
572 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
573 enabled_all $dep_all || disable $cfg
574 enabled_any $dep_any || disable $cfg
7ef3425f 575 disabled_any $dep_sel && disable $cfg
799c9e9b 576
4ec45764 577 if enabled $cfg; then
f9d328da 578 enable_deep $dep_sel
c510c7b5 579 enable_deep_weak $dep_sgs
4ec45764
RP
580 fi
581
799c9e9b 582 disable ${cfg}_checking
30fd06be
MR
583 done
584}
585
d4f8cecc
MR
586check_deps(){
587 unset allopts
588
589 do_check_deps "$@"
590
591 for cfg in $allopts; do
592 enabled $cfg || continue
593 eval dep_extralibs="\$${cfg}_extralibs"
594 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
595 done
596}
597
44161118
MR
598print_config(){
599 pfx=$1
72cfcf41
MR
600 files=$2
601 shift 2
f454e879
MR
602 map 'eval echo "$v \${$v:-no}"' "$@" |
603 awk "BEGIN { split(\"$files\", files) }
604 {
605 c = \"$pfx\" toupper(\$1);
606 v = \$2;
607 sub(/yes/, 1, v);
608 sub(/no/, 0, v);
609 for (f in files) {
610 file = files[f];
611 if (file ~ /\\.h\$/) {
612 printf(\"#define %s %d\\n\", c, v) >>file;
613 } else if (file ~ /\\.asm\$/) {
614 printf(\"%%define %s %d\\n\", c, v) >>file;
615 } else if (file ~ /\\.mak\$/) {
d16c4aeb 616 n = -v ? \"\" : \"!\";
f454e879
MR
617 printf(\"%s%s=yes\\n\", n, c) >>file;
618 }
619 }
620 }"
57bd82d4
MR
621}
622
31c0121d 623print_enabled(){
31c0121d
MR
624 suf=$1
625 shift
626 for v; do
9eda2a85 627 enabled $v && printf "%s\n" ${v%$suf};
31c0121d
MR
628 done
629}
630
57bd82d4
MR
631append(){
632 var=$1
633 shift
57bd82d4
MR
634 eval "$var=\"\$$var $*\""
635}
636
60361817
MR
637prepend(){
638 var=$1
639 shift
640 eval "$var=\"$* \$$var\""
641}
642
50a334e4 643add_cppflags(){
cd52ec95 644 append CPPFLAGS "$@"
50a334e4
MR
645}
646
57bd82d4 647add_cflags(){
01d31e16 648 append CFLAGS $($cflags_filter "$@")
57bd82d4
MR
649}
650
2f2e6c7c 651add_asflags(){
01d31e16 652 append ASFLAGS $($asflags_filter "$@")
2f2e6c7c
MR
653}
654
57bd82d4 655add_ldflags(){
64933b6c 656 append LDFLAGS $($ldflags_filter "$@")
57bd82d4
MR
657}
658
659add_extralibs(){
64933b6c 660 prepend extralibs $($ldflags_filter "$@")
57bd82d4
MR
661}
662
4cc4b33f
DB
663add_host_cppflags(){
664 append host_cppflags "$@"
665}
666
6c3fa06a
MR
667add_host_cflags(){
668 append host_cflags $($host_cflags_filter "$@")
669}
670
671add_host_ldflags(){
672 append host_ldflags $($host_ldflags_filter "$@")
673}
674
84e65c76
MR
675add_compat(){
676 append compat_objs $1
677 shift
678 map 'add_cppflags -D$v' "$@"
679}
680
b0cfb663 681check_cmd(){
b3cb5d51 682 log "$@"
2270b4b2 683 "$@" >> $logfile 2>&1
b0cfb663
MR
684}
685
b2704a65
MR
686cc_o(){
687 eval printf '%s\\n' $CC_O
688}
689
18031c49
MR
690cc_e(){
691 eval printf '%s\\n' $CC_E
692}
693
dcd479c0 694check_cc(){
57bd82d4 695 log check_cc "$@"
2270b4b2 696 cat > $TMPC
720c69da 697 log_file $TMPC
23565c26 698 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
57bd82d4
MR
699}
700
701check_cpp(){
702 log check_cpp "$@"
2270b4b2 703 cat > $TMPC
720c69da 704 log_file $TMPC
18031c49 705 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
dcd479c0
MR
706}
707
df0d6341
MR
708as_o(){
709 eval printf '%s\\n' $AS_O
710}
711
f65883c8
MR
712check_as(){
713 log check_as "$@"
7fd90119
MR
714 cat > $TMPS
715 log_file $TMPS
716 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
f65883c8
MR
717}
718
575db883
DB
719check_inline_asm(){
720 log check_inline_asm "$@"
940f335a 721 name="$1"
3784e82e 722 code="$2"
940f335a 723 shift 2
49214f61 724 disable $name
7fd90119 725 check_cc "$@" <<EOF && enable $name
3784e82e 726void foo(void){ __asm__ volatile($code); }
940f335a
MR
727EOF
728}
729
c6ebc9fa
MR
730check_insn(){
731 log check_insn "$@"
732 check_inline_asm ${1}_inline "\"$2\""
733 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
734}
735
304d586d
LM
736check_yasm(){
737 log check_yasm "$@"
738 echo "$1" > $TMPS
739 log_file $TMPS
740 shift 1
741 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
742}
743
29b64b68
MR
744ld_o(){
745 eval printf '%s\\n' $LD_O
746}
747
dcd479c0 748check_ld(){
57bd82d4 749 log check_ld "$@"
66a1ccd7
MR
750 flags=$(filter_out '-l*' "$@")
751 libs=$(filter '-l*' "$@")
01d31e16 752 check_cc $($cflags_filter $flags) || return
64933b6c
MR
753 flags=$($ldflags_filter $flags)
754 libs=$($ldflags_filter $libs)
29b64b68 755 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
dcd479c0
MR
756}
757
5adc829e
MR
758check_code(){
759 log check_code "$@"
760 check=$1
761 headers=$2
762 code=$3
763 shift 3
764 {
765 for hdr in $headers; do
766 echo "#include <$hdr>"
767 done
768 echo "int main(void) { $code; return 0; }"
769 } | check_$check "$@"
770}
771
50a334e4
MR
772check_cppflags(){
773 log check_cppflags "$@"
caf458dd 774 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
775int x;
776EOF
777}
778
dcd479c0 779check_cflags(){
57bd82d4 780 log check_cflags "$@"
01d31e16 781 set -- $($cflags_filter "$@")
caf458dd 782 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
783int x;
784EOF
785}
786
2ed46eea
MR
787test_ldflags(){
788 log test_ldflags "$@"
789 check_ld "$@" <<EOF
c23a0ac8 790int main(void){ return 0; }
dcd479c0
MR
791EOF
792}
793
2ed46eea
MR
794check_ldflags(){
795 log check_ldflags "$@"
796 test_ldflags "$@" && add_ldflags "$@"
797}
798
dcd479c0 799check_header(){
57bd82d4 800 log check_header "$@"
dcd479c0
MR
801 header=$1
802 shift
b77df637
MR
803 disable_safe $header
804 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
805#include <$header>
806int x;
807EOF
808}
809
810check_func(){
57bd82d4 811 log check_func "$@"
dcd479c0
MR
812 func=$1
813 shift
d8bc5f06
MR
814 disable $func
815 check_ld "$@" <<EOF && enable $func
dcd479c0 816extern int $func();
c23a0ac8 817int main(void){ $func(); }
dcd479c0
MR
818EOF
819}
820
645d2652 821check_mathfunc(){
6b73c0ae 822 log check_mathfunc "$@"
645d2652 823 func=$1
1aa07aa2
MR
824 narg=$2
825 shift 2
826 test $narg = 2 && args="f, g" || args="f"
645d2652
MR
827 disable $func
828 check_ld "$@" <<EOF && enable $func
829#include <math.h>
1aa07aa2 830float foo(float f, float g) { return $func($args); }
33bd38db 831int main(void){ return 0; }
645d2652
MR
832EOF
833}
834
2446d3d6
DB
835check_func_headers(){
836 log check_func_headers "$@"
f8d7b072 837 headers=$1
edaf1ae2 838 funcs=$2
f8d7b072 839 shift 2
edaf1ae2
MR
840 {
841 for hdr in $headers; do
842 echo "#include <$hdr>"
843 done
844 for func in $funcs; do
845 echo "long check_$func(void) { return (long) $func; }"
846 done
847 echo "int main(void) { return 0; }"
848 } | check_ld "$@" && enable $funcs && enable_safe $headers
f8d7b072
MR
849}
850
a5344cf7
SS
851check_cpp_condition(){
852 log check_cpp_condition "$@"
853 header=$1
854 condition=$2
f855b7b9 855 shift 2
cd52ec95 856 check_cpp "$@" <<EOF
a5344cf7
SS
857#include <$header>
858#if !($condition)
859#error "unsatisfied condition: $condition"
860#endif
861EOF
862}
863
57bd82d4
MR
864check_lib(){
865 log check_lib "$@"
866 header="$1"
867 func="$2"
868 shift 2
84400e9d 869 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
870}
871
f8d7b072
MR
872check_lib2(){
873 log check_lib2 "$@"
874 headers="$1"
edaf1ae2 875 funcs="$2"
f8d7b072 876 shift 2
edaf1ae2 877 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
f8d7b072
MR
878}
879
3f8040db
MR
880check_pkg_config(){
881 log check_pkg_config "$@"
882 pkg="$1"
883 headers="$2"
884 funcs="$3"
885 shift 3
886 $pkg_config --exists $pkg || return
887 pkg_cflags=$($pkg_config --cflags $pkg)
888 pkg_libs=$($pkg_config --libs $pkg)
889 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
890 set_safe ${pkg}_cflags $pkg_cflags &&
891 set_safe ${pkg}_libs $pkg_libs
892}
893
dcd479c0 894check_exec(){
2270b4b2 895 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
896}
897
7dfef245 898check_exec_crash(){
5e622c40 899 code=$(cat)
7dfef245
MR
900
901 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
902 # are safe but may not be available everywhere. Thus we use
903 # raise(SIGTERM) instead. The check is run in a subshell so we
904 # can redirect the "Terminated" message from the shell. SIGBUS
905 # is not defined by standard C so it is used conditionally.
906
2270b4b2 907 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
908#include <signal.h>
909static void sighandler(int sig){
910 raise(SIGTERM);
911}
692dd8ed
MR
912int foo(void){
913 $code
914}
9495cd17 915int (*func_ptr)(void) = foo;
e5af4a11 916int main(void){
7dfef245
MR
917 signal(SIGILL, sighandler);
918 signal(SIGFPE, sighandler);
919 signal(SIGSEGV, sighandler);
920#ifdef SIGBUS
921 signal(SIGBUS, sighandler);
922#endif
9495cd17 923 return func_ptr();
7dfef245
MR
924}
925EOF
926}
927
72be9e73
DY
928check_type(){
929 log check_type "$@"
930 headers=$1
931 type=$2
932 shift 2
ae550ce9 933 disable_safe "$type"
5adc829e 934 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
72be9e73
DY
935}
936
14d36751 937check_struct(){
813b82b9 938 log check_struct "$@"
14d36751
MR
939 headers=$1
940 struct=$2
941 member=$3
942 shift 3
943 disable_safe "${struct}_${member}"
5adc829e
MR
944 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
945 enable_safe "${struct}_${member}"
14d36751
MR
946}
947
9c7d85b3
DB
948check_builtin(){
949 log check_builtin "$@"
950 name=$1
951 headers=$2
952 builtin=$3
953 shift 3
954 disable "$name"
955 check_code ld "$headers" "$builtin" "$@" && enable "$name"
956}
957
57bd82d4
MR
958require(){
959 name="$1"
960 header="$2"
961 func="$3"
962 shift 3
963 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
964}
965
f8d7b072
MR
966require2(){
967 name="$1"
968 headers="$2"
969 func="$3"
970 shift 3
971 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
972}
973
3f8040db
MR
974require_pkg_config(){
975 pkg="$1"
976 check_pkg_config "$@" || die "ERROR: $pkg not found"
977 add_cflags $(get_safe ${pkg}_cflags)
978 add_extralibs $(get_safe ${pkg}_libs)
979}
980
ae43c4c0
MR
981hostcc_o(){
982 eval printf '%s\\n' $HOSTCC_O
983}
984
f0125de9
MR
985check_host_cc(){
986 log check_host_cc "$@"
987 cat > $TMPC
988 log_file $TMPC
ae43c4c0 989 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
f0125de9
MR
990}
991
4cc4b33f
DB
992check_host_cppflags(){
993 log check_host_cppflags "$@"
994 check_host_cc "$@" <<EOF && append host_cppflags "$@"
995int x;
996EOF
997}
998
f0125de9
MR
999check_host_cflags(){
1000 log check_host_cflags "$@"
6c3fa06a 1001 set -- $($host_cflags_filter "$@")
f0125de9
MR
1002 check_host_cc "$@" <<EOF && append host_cflags "$@"
1003int x;
1004EOF
1005}
1006
c505dd31
MR
1007apply(){
1008 file=$1
1009 shift
1010 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1011}
1012
c34681df 1013cp_if_changed(){
5e27ec28
MR
1014 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1015 mkdir -p "$(dirname $2)"
4ebc6a74 1016 $cp_f "$1" "$2"
c34681df
MR
1017}
1018
dcd61286
DB
1019# CONFIG_LIST contains configurable options, while HAVE_LIST is for
1020# system-dependent things.
1021
4a0d6686
AJ
1022COMPONENT_LIST="
1023 bsfs
1024 decoders
1025 demuxers
1026 encoders
3cde40aa 1027 filters
5666fd73 1028 hwaccels
c552605c 1029 indevs
4a0d6686 1030 muxers
c552605c 1031 outdevs
4a0d6686
AJ
1032 parsers
1033 protocols
1034"
1035
3fc09b00
MR
1036EXTERNAL_LIBRARY_LIST="
1037 avisynth
1038 bzlib
1039 frei0r
1040 gnutls
1041 libcdio
1042 libdc1394
1043 libfaac
1044 libfdk_aac
1045 libfreetype
1046 libgsm
1047 libilbc
1048 libmp3lame
1049 libopencore_amrnb
1050 libopencore_amrwb
1051 libopencv
1052 libopenjpeg
1053 libopus
1054 libpulse
1055 librtmp
1056 libschroedinger
1057 libspeex
1058 libtheora
1059 libvo_aacenc
1060 libvo_amrwbenc
1061 libvorbis
1062 libvpx
1063 libx264
1064 libxavs
1065 libxvid
1066 openssl
1067 x11grab
1068 zlib
1069"
1070
70b348ec
DB
1071HWACCEL_LIST="
1072 dxva2
1073 vaapi
1074 vda
1075 vdpau
1076"
d89f2fa9
DB
1077LIBRARY_LIST="
1078 avcodec
1079 avdevice
1080 avfilter
1081 avformat
1082 avresample
1083 avutil
1084 swscale
1085"
1086
055c61b8
DB
1087PROGRAM_LIST="
1088 avconv
1089 avplay
1090 avprobe
1091 avserver
055c61b8
DB
1092"
1093
4a0d6686
AJ
1094CONFIG_LIST="
1095 $COMPONENT_LIST
3fc09b00 1096 $EXTERNAL_LIBRARY_LIST
70b348ec 1097 $HWACCEL_LIST
d89f2fa9 1098 $LIBRARY_LIST
055c61b8 1099 $PROGRAM_LIST
7f3f5f46 1100 dct
c73f65d9 1101 doc
0b499c9b 1102 error_resilience
1848f7d9 1103 fft
c88f5d72 1104 gpl
d8d0d0b2 1105 gray
3abe5fbd 1106 hardcoded_tables
b781cc12 1107 lsp
2a91ada8 1108 lzo
47a158cb 1109 mdct
c88f5d72 1110 memalign_hack
c88f5d72 1111 network
3fe142e2 1112 nonfree
8a3c8627 1113 pic
68602540 1114 rdft
e90f5b5a 1115 runtime_cpudetect
8cfbbd92 1116 safe_bitstream_reader
2e35e684 1117 shared
bd2216e4 1118 small
6b35d421 1119 sram
2e35e684 1120 static
a9ddb5b1 1121 swscale_alpha
8986fddc 1122 thumb
9cad0e4e 1123 version3
7e4d9d5d 1124 xmm_clobber_test
4a0d6686 1125"
c88f5d72 1126
8eee7025 1127THREADS_LIST='
8eee7025
DB
1128 pthreads
1129 w32threads
1130'
1131
f9f6402e
AK
1132ATOMICS_LIST='
1133 atomics_gcc
f9f6402e 1134 atomics_suncc
93e65e9a 1135 atomics_win32
f9f6402e
AK
1136'
1137
3f5b56e5 1138ARCH_LIST='
5873b623 1139 aarch64
3f5b56e5 1140 alpha
a2fc0f6a 1141 arm
fdcd782d
MR
1142 avr32
1143 avr32_ap
1144 avr32_uc
3f5b56e5
MR
1145 bfin
1146 ia64
1147 m68k
1148 mips
bae3abb0 1149 mips64
3f5b56e5 1150 parisc
79cb09b2 1151 ppc
34d11b87 1152 ppc64
3f5b56e5
MR
1153 s390
1154 sh4
1155 sparc
1156 sparc64
c75848cd
DB
1157 tilegx
1158 tilepro
0844bae1 1159 tomi
3f5b56e5
MR
1160 x86
1161 x86_32
1162 x86_64
1163'
1164
81dfa21e
MR
1165ARCH_EXT_LIST_ARM='
1166 armv5te
1167 armv6
1168 armv6t2
81dfa21e 1169 neon
b3267559 1170 vfp
81dfa21e
MR
1171 vfpv3
1172'
1173
50cd43f2 1174ARCH_EXT_LIST_X86='
3bf96eec 1175 amd3dnow
a1ef9f08 1176 amd3dnowext
50cd43f2
DB
1177 avx
1178 fma4
1179 mmx
1180 mmxext
1181 sse
1182 sse2
1183 sse3
1184 sse4
1185 sse42
1186 ssse3
1187'
1188
1189ARCH_EXT_LIST="
81dfa21e 1190 $ARCH_EXT_LIST_ARM
50cd43f2
DB
1191 $ARCH_EXT_LIST_X86
1192 altivec
799fde37 1193 ppc4xx
bd9d34a0 1194 vis
50cd43f2 1195"
3f5b56e5 1196
fd712a55
DB
1197HAVE_LIST_CMDLINE='
1198 inline_asm
1199 symver
1200 yasm
1201'
1202
a3e02a8c
MR
1203HAVE_LIST_PUB='
1204 bigendian
d268eee9 1205 fast_unaligned
a3e02a8c
MR
1206'
1207
79042ab3 1208MATH_FUNCS="
fab0a8b2
MR
1209 atanf
1210 atan2f
79042ab3 1211 cbrtf
fab0a8b2 1212 cosf
79042ab3
DB
1213 exp2
1214 exp2f
fab0a8b2 1215 expf
79042ab3
DB
1216 isinf
1217 isnan
fab0a8b2 1218 ldexpf
79042ab3
DB
1219 llrint
1220 llrintf
1221 log2
1222 log2f
fab0a8b2 1223 log10f
79042ab3
DB
1224 lrint
1225 lrintf
fab0a8b2 1226 powf
79042ab3
DB
1227 rint
1228 round
1229 roundf
fab0a8b2 1230 sinf
79042ab3
DB
1231 trunc
1232 truncf
1233"
1234
3f5b56e5
MR
1235HAVE_LIST="
1236 $ARCH_EXT_LIST
43b73d59
DB
1237 $(add_suffix _external $ARCH_EXT_LIST)
1238 $(add_suffix _inline $ARCH_EXT_LIST)
fd712a55 1239 $HAVE_LIST_CMDLINE
a3e02a8c 1240 $HAVE_LIST_PUB
3f5b56e5 1241 $THREADS_LIST
f9f6402e 1242 $ATOMICS_LIST
79042ab3 1243 $MATH_FUNCS
be1a839c 1244 aligned_malloc
59782b82 1245 aligned_stack
35fd8122 1246 alsa_asoundlib_h
3f5b56e5 1247 altivec_h
c9fdab0d 1248 arpa_inet_h
ec9d2c15 1249 asm_mod_q
6308729e 1250 asm_mod_y
817dff57 1251 atomic_cas_ptr
f9f6402e 1252 atomics_native
dffb41b9 1253 attribute_may_alias
e7ea5e3d 1254 attribute_packed
43e0e0c4
LB
1255 cdio_paranoia_h
1256 cdio_paranoia_paranoia_h
ecf97f22 1257 closesocket
15caccb9 1258 CommandLineToArgvW
180d43bc 1259 cpunop
1093383d 1260 CryptGenRandom
c88f5d72 1261 dcbzl
f8aa696f
DB
1262 dev_bktr_ioctl_bt848_h
1263 dev_bktr_ioctl_meteor_h
1264 dev_ic_bt8xx_h
f8aa696f 1265 dev_video_bktr_ioctl_bt848_h
3e0b1c9a 1266 dev_video_meteor_ioctl_meteor_h
ca6b544a 1267 direct_h
18b67ae5 1268 dlfcn_h
c88f5d72 1269 dlopen
bc574408 1270 dos_paths
fa845061 1271 dxva_h
245626d0
DB
1272 ebp_available
1273 ebx_available
c2a29455 1274 fast_64bit
669b5583 1275 fast_clz
7073e9fc 1276 fast_cmov
534a2231 1277 fcntl
9d99cc5a 1278 fork
84882df6 1279 getaddrinfo
da9e86f8 1280 gethrtime
667fb97a 1281 getopt
02e8f427 1282 GetProcessAffinityMask
fc5607f8 1283 GetProcessMemoryInfo
4e68cb8a 1284 GetProcessTimes
61183b5a 1285 GetSystemTimeAsFileTime
66be5b45 1286 getrusage
c3e73100 1287 getservbyport
61183b5a 1288 gettimeofday
a49d3025 1289 gnu_as
c7df1532 1290 gsm_h
f54b5505 1291 i686
2f0c136e 1292 ibm_asm
2e1913b1 1293 inet_aton
3b1ab197 1294 io_h
abfc8d05 1295 isatty
8772997d 1296 jack_port_get_latency_range
9f5ff83f 1297 ldbrx
0b4a1821
AS
1298 libdc1394_1
1299 libdc1394_2
d96cd429
MR
1300 local_aligned_16
1301 local_aligned_8
a5b64584 1302 localtime_r
85dd97ad 1303 loongson
f8aa696f
DB
1304 machine_ioctl_bt848_h
1305 machine_ioctl_meteor_h
65f1d45d 1306 machine_rw_barrier
c88f5d72 1307 malloc_h
73f6d31e 1308 MapViewOfFile
c88f5d72 1309 memalign
65f1d45d 1310 MemoryBarrier
6ffa87d3 1311 mkstemp
f80ddd5b 1312 mm_empty
0328b9ea 1313 mmap
e98b02de 1314 mprotect
4fa661a8 1315 msvcrt
d3d3a32c 1316 nanosleep
3e0b1c9a 1317 poll_h
1f91cdce 1318 posix_memalign
07b28702 1319 rdtsc
ea4d5f48 1320 sched_getaffinity
c88f5d72 1321 sdl
7e6a11bc 1322 SetConsoleTextAttribute
b507ebd1 1323 setmode
3e0b1c9a 1324 setrlimit
d3d3a32c 1325 Sleep
15d59d2c 1326 sndio_h
72be9e73 1327 socklen_t
deb29777 1328 soundcard_h
87958234 1329 strerror_r
6379900c 1330 strptime
47941088 1331 strtok_r
c0018613 1332 struct_addrinfo
75d339e0
MS
1333 struct_group_source_req
1334 struct_ip_mreq_source
b4d68544 1335 struct_ipv6_mreq
cdee08e3 1336 struct_pollfd
3e0b1c9a 1337 struct_rusage_ru_maxrss
b4d68544 1338 struct_sockaddr_in6
3b2372bf 1339 struct_sockaddr_sa_len
33a4dbdd 1340 struct_sockaddr_storage
a6a4793d 1341 struct_v4l2_frmivalenum_discrete
b462d132 1342 symver_asm_label
3e0b1c9a 1343 symver_gnu_asm
e460aa32 1344 sync_val_compare_and_swap
bcc73960 1345 sysconf
b9e22269 1346 sysctl
b58412f1 1347 sys_mman_h
06bb5905 1348 sys_param_h
b091aa44 1349 sys_resource_h
81644c2e 1350 sys_select_h
deb29777 1351 sys_soundcard_h
e64bceea 1352 sys_time_h
1b6e8b73 1353 sys_videoio_h
b265431e 1354 threads
542920b7 1355 unistd_h
d3d3a32c 1356 usleep
ce742de2 1357 vfp_args
7c5bfe7a 1358 VirtualAlloc
d3d3a32c 1359 windows_h
6ff3f3e7 1360 winsock2_h
cc078b5d 1361 xform_asm
6f74fb03 1362 xmm_clobbers
0cb78cef 1363"
44161118 1364
511cf612 1365# options emitted with CONFIG_ prefix but not available on the command line
b6bb00b0 1366CONFIG_EXTRA="
87849592 1367 aandcttables
bfe9f48a 1368 ac3dsp
aa11cb79 1369 audio_frame_queue
b93b27ed 1370 dsputil
bfe9f48a 1371 gcrypt
478fd534 1372 golomb
9cad0e4e 1373 gplv3
478fd534
DB
1374 h264chroma
1375 h264dsp
1376 h264pred
915a2a0a 1377 h264qpel
68d8238c 1378 hpeldsp
478fd534 1379 huffman
9cad0e4e 1380 lgplv3
478fd534 1381 lpc
1e164c0b 1382 mpegaudio
bfe9f48a 1383 mpegaudiodsp
18bbca1f 1384 mpegvideo
ad08dfd5 1385 mpegvideoenc
bfe9f48a 1386 nettle
f704a079 1387 rangecoder
bfe9f48a 1388 rtpdec
5ad2f0bf 1389 rtpenc_chain
bfe9f48a 1390 sinewin
8c53d39e 1391 videodsp
ab9f9876 1392 vp3dsp
b6bb00b0
MR
1393"
1394
520cc7f1 1395CMDLINE_SELECT="
3f5b56e5 1396 $ARCH_EXT_LIST
520cc7f1 1397 $CONFIG_LIST
fd712a55 1398 $HAVE_LIST_CMDLINE
8eee7025 1399 $THREADS_LIST
c8a4ae00 1400 asm
db6107b6 1401 cross_compile
520cc7f1
MR
1402 debug
1403 extra_warnings
8c6afa4d 1404 logging
65d12900 1405 lto
d2bbb2f7 1406 optimizations
520cc7f1 1407"
426be5dc
DB
1408
1409PATHS_LIST='
d156bede 1410 bindir
14a8acf1 1411 datadir
26759c44
MR
1412 incdir
1413 libdir
26759c44
MR
1414 mandir
1415 prefix
1416 shlibdir
426be5dc
DB
1417'
1418
1419CMDLINE_SET="
1420 $PATHS_LIST
121d78d0 1421 ar
426be5dc 1422 arch
313c46a6 1423 as
426be5dc
DB
1424 build_suffix
1425 cc
1426 cpu
1427 cross_prefix
50567afa 1428 dep_cc
ac63af34 1429 extra_version
9da6609f
MR
1430 host_cc
1431 host_cflags
095792f2 1432 host_ld
9da6609f
MR
1433 host_ldflags
1434 host_libs
82bb3329 1435 host_os
684b28e0 1436 ld
426be5dc 1437 logfile
4ae40685 1438 malloc_prefix
89641463 1439 nm
9cd7b854 1440 optflags
3f8040db 1441 pkg_config
154caa67 1442 random_seed
2fad0977 1443 samples
c5200f17
MR
1444 sysinclude
1445 sysroot
a7ada2ba 1446 target_exec
26759c44 1447 target_os
a7ada2ba 1448 target_path
ba13606c 1449 target_samples
aeeb782c 1450 toolchain
426be5dc 1451"
520cc7f1 1452
89f2932b
MR
1453CMDLINE_APPEND="
1454 extra_cflags
4cc4b33f 1455 host_cppflags
89f2932b
MR
1456"
1457
912f3148
DB
1458# code dependency declarations
1459
9eeed841 1460# architecture extensions
808fa33c 1461
a2fc0f6a
MR
1462armv5te_deps="arm"
1463armv6_deps="arm"
ab5cb084 1464armv6t2_deps="arm"
808fa33c 1465neon_deps="arm"
b3267559
MR
1466vfp_deps="arm"
1467vfpv3_deps="vfp"
808fa33c 1468
637606de
MR
1469map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1470
808fa33c
MR
1471altivec_deps="ppc"
1472ppc4xx_deps="ppc"
1473
1474vis_deps="sparc"
1475
f54b5505 1476x86_64_suggest="fast_cmov i686"
50cd43f2 1477
808fa33c
MR
1478amd3dnow_deps="mmx"
1479amd3dnowext_deps="amd3dnow"
9eeed841 1480mmx_deps="x86"
239fdf1b 1481mmxext_deps="mmx"
50cd43f2
DB
1482sse_deps="mmxext"
1483sse2_deps="sse"
1484sse3_deps="sse2"
1485ssse3_deps="sse3"
1486sse4_deps="ssse3"
1487sse42_deps="sse4"
1488avx_deps="sse42"
79687079 1489fma4_deps="avx"
9eeed841 1490
43b73d59
DB
1491mmx_external_deps="yasm"
1492mmx_inline_deps="inline_asm"
1493mmx_suggest="mmx_external mmx_inline"
1494
1495for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1496 eval dep=\$${ext}_deps
1497 eval ${ext}_external_deps='"${dep}_external"'
1498 eval ${ext}_inline_deps='"${dep}_inline"'
1499 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1500done
1501
59782b82 1502aligned_stack_if_any="ppc x86"
e939cedd 1503fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
f0fe245b
MR
1504fast_clz_if_any="alpha avr32 mips ppc x86"
1505fast_unaligned_if_any="ppc x86"
669b5583 1506
6fec122a 1507inline_asm_deps="!tms470"
3e0b1c9a 1508need_memalign="altivec neon sse"
89e053f8 1509
b462d132
MR
1510symver_if_any="symver_asm_label symver_gnu_asm"
1511
88a35699
MS
1512log2_deps="!msvcrt"
1513
26fbcc85 1514# subsystems
dc609252 1515dct_select="rdft"
b93b27ed
RB
1516error_resilience_select="dsputil"
1517lpc_select="dsputil"
26fbcc85
MR
1518mdct_select="fft"
1519rdft_select="fft"
1e164c0b 1520mpegaudio_select="mpegaudiodsp"
c4f5c2d6 1521mpegaudiodsp_select="dct"
f4fed5a2 1522mpegvideo_select="dsputil hpeldsp videodsp"
ad08dfd5 1523mpegvideoenc_select="mpegvideo"
26fbcc85 1524
ed40b6bf 1525# decoders / encoders
cfc2a0cf 1526aac_decoder_select="mdct sinewin"
aa11cb79 1527aac_encoder_select="audio_frame_queue mdct sinewin"
136e19e1 1528aac_latm_decoder_select="aac_decoder aac_latm_parser"
b93b27ed
RB
1529ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1530ac3_encoder_select="mdct ac3dsp dsputil"
1531ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1232a164 1532aic_decoder_select="dsputil golomb"
f4d608e3 1533alac_encoder_select="lpc"
b93b27ed 1534als_decoder_select="dsputil"
b781cc12 1535amrnb_decoder_select="lsp"
2b2a597e 1536amrwb_decoder_select="lsp"
28bc406c 1537amv_decoder_select="dsputil hpeldsp"
b93b27ed
RB
1538ape_decoder_select="dsputil"
1539asv1_decoder_select="dsputil"
1540asv1_encoder_select="dsputil"
1541asv2_decoder_select="dsputil"
1542asv2_encoder_select="dsputil"
4538729a 1543atrac1_decoder_select="mdct sinewin"
26fbcc85 1544atrac3_decoder_select="mdct"
0f0a11d5 1545bink_decoder_select="dsputil hpeldsp"
a33657ce
DB
1546binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1547binkaudio_rdft_decoder_select="mdct rdft sinewin"
b93b27ed
RB
1548cavs_decoder_select="dsputil golomb h264chroma videodsp"
1549cllc_decoder_select="dsputil"
9b500b8f 1550comfortnoise_encoder_select="lpc"
b93b27ed 1551cook_decoder_select="dsputil mdct sinewin"
2a91ada8 1552cscd_decoder_select="lzo"
2eef7c62 1553cscd_decoder_suggest="zlib"
26fbcc85 1554dca_decoder_select="mdct"
b93b27ed
RB
1555dnxhd_decoder_select="dsputil"
1556dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1557dvvideo_decoder_select="dsputil"
1558dvvideo_encoder_select="dsputil"
2eef7c62 1559dxa_decoder_select="zlib"
baf91bb9 1560eac3_decoder_select="ac3_decoder"
4264a0dd 1561eac3_encoder_select="ac3_encoder"
b93b27ed
RB
1562eamad_decoder_select="aandcttables dsputil mpegvideo"
1563eatgq_decoder_select="aandcttables dsputil"
cfe5908a 1564eatqi_decoder_select="aandcttables error_resilience mpegvideo"
b93b27ed
RB
1565ffv1_decoder_select="dsputil golomb rangecoder"
1566ffv1_encoder_select="dsputil rangecoder"
1567ffvhuff_decoder_select="dsputil"
1568ffvhuff_encoder_select="dsputil huffman"
4f034993 1569flac_decoder_select="golomb"
b93b27ed 1570flac_encoder_select="dsputil golomb lpc"
2eef7c62
AJ
1571flashsv_decoder_select="zlib"
1572flashsv_encoder_select="zlib"
c2d23309 1573flashsv2_decoder_select="zlib"
4414137e 1574flv_decoder_select="h263_decoder"
4d4b4bd1 1575flv_encoder_select="h263_encoder"
b93b27ed
RB
1576fourxm_decoder_select="dsputil"
1577fraps_decoder_select="dsputil huffman"
c292f6a2 1578h261_decoder_select="error_resilience mpegvideo"
ad08dfd5 1579h261_encoder_select="aandcttables mpegvideoenc"
c292f6a2 1580h263_decoder_select="error_resilience h263_parser mpegvideo"
06b54e84 1581h263_encoder_select="aandcttables mpegvideoenc"
4414137e 1582h263i_decoder_select="h263_decoder"
fe629c2d 1583h263p_encoder_select="h263_encoder"
0b499c9b
RB
1584h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1585h264_decoder_suggest="error_resilience"
b93b27ed
RB
1586huffyuv_decoder_select="dsputil"
1587huffyuv_encoder_select="dsputil huffman"
1588iac_decoder_select="dsputil fft mdct sinewin"
1589imc_decoder_select="dsputil fft mdct sinewin"
8f992dc8 1590indeo3_decoder_select="hpeldsp"
8071264f 1591interplay_video_decoder_select="hpeldsp"
28bc406c 1592jpegls_decoder_select="dsputil golomb hpeldsp"
4f034993 1593jpegls_encoder_select="golomb"
b93b27ed
RB
1594jv_decoder_select="dsputil"
1595lagarith_decoder_select="dsputil"
ad08dfd5 1596ljpeg_encoder_select="aandcttables mpegvideoenc"
4f034993 1597loco_decoder_select="golomb"
b93b27ed 1598mdec_decoder_select="dsputil error_resilience mpegvideo"
c1047003 1599mimic_decoder_select="dsputil hpeldsp"
28bc406c
RB
1600mjpeg_decoder_select="dsputil hpeldsp"
1601mjpegb_decoder_select="dsputil hpeldsp"
b93b27ed
RB
1602mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1603mlp_decoder_select="dsputil mlp_parser"
1604motionpixels_decoder_select="dsputil"
1e164c0b
DB
1605mp1_decoder_select="mpegaudio"
1606mp1float_decoder_select="mpegaudio"
1607mp2_decoder_select="mpegaudio"
1608mp2float_decoder_select="mpegaudio"
1609mp3_decoder_select="mpegaudio"
1610mp3adu_decoder_select="mpegaudio"
1611mp3adufloat_decoder_select="mpegaudio"
1612mp3float_decoder_select="mpegaudio"
1613mp3on4_decoder_select="mpegaudio"
1614mp3on4float_decoder_select="mpegaudio"
b93b27ed
RB
1615mpc7_decoder_select="dsputil mpegaudiodsp"
1616mpc8_decoder_select="dsputil mpegaudiodsp"
3e0b1c9a 1617mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
d767e2f9 1618mpeg_xvmc_decoder_select="mpeg2video_decoder"
c292f6a2 1619mpeg1video_decoder_select="error_resilience mpegvideo"
06b54e84 1620mpeg1video_encoder_select="aandcttables mpegvideoenc"
c292f6a2 1621mpeg2video_decoder_select="error_resilience mpegvideo"
06b54e84 1622mpeg2video_encoder_select="aandcttables mpegvideoenc"
3e0b1c9a
DB
1623mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1624mpeg4_encoder_select="h263_encoder"
4414137e 1625msmpeg4v1_decoder_select="h263_decoder"
4414137e 1626msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1627msmpeg4v2_encoder_select="h263_encoder"
4414137e 1628msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1629msmpeg4v3_encoder_select="h263_encoder"
06b54e84 1630mss2_decoder_select="error_resilience vc1_decoder"
28bc406c 1631mxpeg_decoder_select="dsputil hpeldsp"
4538729a 1632nellymoser_decoder_select="mdct sinewin"
aa11cb79 1633nellymoser_encoder_select="audio_frame_queue mdct sinewin"
b93b27ed
RB
1634nuv_decoder_select="dsputil lzo"
1635png_decoder_select="dsputil zlib"
1636png_encoder_select="dsputil zlib"
1637prores_decoder_select="dsputil"
1638prores_encoder_select="dsputil"
b781cc12 1639qcelp_decoder_select="lsp"
c4f5c2d6 1640qdm2_decoder_select="mdct rdft mpegaudiodsp"
aa11cb79 1641ra_144_encoder_select="audio_frame_queue lpc"
9f43fdda 1642ralf_decoder_select="golomb"
06b54e84 1643rv10_decoder_select="error_resilience h263_decoder"
b2bf38b4 1644rv10_encoder_select="h263_encoder"
06b54e84 1645rv20_decoder_select="error_resilience h263_decoder"
b2bf38b4 1646rv20_encoder_select="h263_encoder"
870add0d
DB
1647rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1648rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
4f034993 1649shorten_decoder_select="golomb"
b781cc12 1650sipr_decoder_select="lsp"
28bc406c 1651sp5x_decoder_select="dsputil hpeldsp"
6caa44aa 1652svq1_decoder_select="hpeldsp"
1277dc07 1653svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
2f6bc5f7 1654svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
0b499c9b 1655svq3_decoder_suggest="error_resilience zlib"
b93b27ed 1656tak_decoder_select="dsputil"
4eef77c1 1657theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1658tiff_decoder_suggest="zlib"
1659tiff_encoder_suggest="zlib"
28bc406c 1660thp_decoder_select="dsputil hpeldsp"
aec09a00 1661truehd_decoder_select="mlp_decoder"
b93b27ed
RB
1662truemotion2_decoder_select="dsputil"
1663truespeech_decoder_select="dsputil"
2eef7c62 1664tscc_decoder_select="zlib"
4538729a 1665twinvq_decoder_select="mdct lsp sinewin"
b93b27ed
RB
1666utvideo_decoder_select="dsputil"
1667utvideo_encoder_select="dsputil huffman"
1668vble_decoder_select="dsputil"
06b54e84 1669vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
45ecda85 1670vc1image_decoder_select="vc1_decoder"
26fbcc85
MR
1671vorbis_decoder_select="mdct"
1672vorbis_encoder_select="mdct"
3bd062bf 1673vp3_decoder_select="hpeldsp vp3dsp videodsp"
cb7ecb75
RB
1674vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1675vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
e82dc4c9
DB
1676vp6a_decoder_select="vp6_decoder"
1677vp6f_decoder_select="vp6_decoder"
8c53d39e 1678vp8_decoder_select="h264pred videodsp"
4538729a
MR
1679wmapro_decoder_select="mdct sinewin"
1680wmav1_decoder_select="mdct sinewin"
1681wmav1_encoder_select="mdct sinewin"
1682wmav2_decoder_select="mdct sinewin"
1683wmav2_encoder_select="mdct sinewin"
1684wmavoice_decoder_select="lsp rdft dct mdct sinewin"
f95bfab0 1685wmv1_decoder_select="h263_decoder"
665507aa 1686wmv1_encoder_select="h263_encoder"
870add0d 1687wmv2_decoder_select="h263_decoder videodsp"
1746e2a9 1688wmv2_encoder_select="h263_encoder"
015f8ee0 1689wmv3_decoder_select="vc1_decoder"
45ecda85 1690wmv3image_decoder_select="wmv3_decoder"
0e714f88 1691zerocodec_decoder_select="zlib"
2eef7c62
AJ
1692zlib_decoder_select="zlib"
1693zlib_encoder_select="zlib"
1694zmbv_decoder_select="zlib"
1695zmbv_encoder_select="zlib"
30fd06be 1696
ed40b6bf 1697# hardware accelerators
215cdd35 1698dxva2_deps="dxva2api_h"
0afab17e 1699vaapi_deps="va_va_h"
ac3dbb4d 1700vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
9840130e 1701vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
c89c96e9
MR
1702vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1703
82ca17ac
DB
1704h263_vaapi_hwaccel_deps="vaapi"
1705h263_vaapi_hwaccel_select="h263_decoder"
1706h263_vdpau_hwaccel_deps="vdpau"
1707h263_vdpau_hwaccel_select="h263_decoder"
215cdd35
DB
1708h264_dxva2_hwaccel_deps="dxva2"
1709h264_dxva2_hwaccel_select="h264_decoder"
82ca17ac
DB
1710h264_vaapi_hwaccel_deps="vaapi"
1711h264_vaapi_hwaccel_select="h264_decoder"
1712h264_vda_hwaccel_deps="vda"
1713h264_vda_hwaccel_select="h264_decoder"
1714h264_vdpau_decoder_deps="vdpau"
1715h264_vdpau_decoder_select="h264_decoder"
1716h264_vdpau_hwaccel_deps="vdpau"
1717h264_vdpau_hwaccel_select="h264_decoder"
1718mpeg_vdpau_decoder_deps="vdpau"
d767e2f9 1719mpeg_vdpau_decoder_select="mpeg2video_decoder"
82ca17ac
DB
1720mpeg1_vdpau_decoder_deps="vdpau"
1721mpeg1_vdpau_decoder_select="mpeg1video_decoder"
1722mpeg1_vdpau_hwaccel_deps="vdpau"
1723mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
215cdd35
DB
1724mpeg2_dxva2_hwaccel_deps="dxva2"
1725mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
82ca17ac
DB
1726mpeg2_vaapi_hwaccel_deps="vaapi"
1727mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1728mpeg2_vdpau_hwaccel_deps="vdpau"
1729mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1730mpeg4_vaapi_hwaccel_deps="vaapi"
1731mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1732mpeg4_vdpau_decoder_deps="vdpau"
1733mpeg4_vdpau_decoder_select="mpeg4_decoder"
1734mpeg4_vdpau_hwaccel_deps="vdpau"
1735mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
215cdd35
DB
1736vc1_dxva2_hwaccel_deps="dxva2"
1737vc1_dxva2_hwaccel_select="vc1_decoder"
82ca17ac
DB
1738vc1_vaapi_hwaccel_deps="vaapi"
1739vc1_vaapi_hwaccel_select="vc1_decoder"
1740vc1_vdpau_decoder_deps="vdpau"
1741vc1_vdpau_decoder_select="vc1_decoder"
1742vc1_vdpau_hwaccel_deps="vdpau"
1743vc1_vdpau_hwaccel_select="vc1_decoder"
ed40b6bf
DB
1744wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1745wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1746wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
77525327 1747wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
ed40b6bf 1748
28b80940 1749# parsers
0b499c9b 1750h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
c292f6a2
DB
1751mpeg4video_parser_select="error_resilience mpegvideo"
1752mpegvideo_parser_select="error_resilience mpegvideo"
06b54e84 1753vc1_parser_select="mpegvideo"
28b80940 1754
912f3148 1755# external libraries
c9171a83 1756libfaac_encoder_deps="libfaac"
aa11cb79 1757libfaac_encoder_select="audio_frame_queue"
37eeb5e2 1758libfdk_aac_encoder_deps="libfdk_aac"
aa11cb79 1759libfdk_aac_encoder_select="audio_frame_queue"
299c77d5
MR
1760libgsm_decoder_deps="libgsm"
1761libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1762libgsm_ms_decoder_deps="libgsm"
1763libgsm_ms_encoder_deps="libgsm"
3641b048
MS
1764libilbc_decoder_deps="libilbc"
1765libilbc_encoder_deps="libilbc"
1cc60c47 1766libmp3lame_encoder_deps="libmp3lame"
aa11cb79 1767libmp3lame_encoder_select="audio_frame_queue"
0b175caa
DB
1768libopencore_amrnb_decoder_deps="libopencore_amrnb"
1769libopencore_amrnb_encoder_deps="libopencore_amrnb"
aa11cb79 1770libopencore_amrnb_encoder_select="audio_frame_queue"
0b175caa 1771libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1772libopenjpeg_decoder_deps="libopenjpeg"
453c02f9 1773libopenjpeg_encoder_deps="libopenjpeg"
44617d6e 1774libopus_decoder_deps="libopus"
6cb8c854 1775libopus_encoder_deps="libopus"
aa11cb79 1776libopus_encoder_select="audio_frame_queue"
f7cd9eed
AS
1777libschroedinger_decoder_deps="libschroedinger"
1778libschroedinger_encoder_deps="libschroedinger"
ae14f311 1779libspeex_decoder_deps="libspeex"
b606a017 1780libspeex_encoder_deps="libspeex"
aa11cb79 1781libspeex_encoder_select="audio_frame_queue"
150d2772 1782libtheora_encoder_deps="libtheora"
d89e738a 1783libvo_aacenc_encoder_deps="libvo_aacenc"
aa11cb79 1784libvo_aacenc_encoder_select="audio_frame_queue"
f502ff3f 1785libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
b0caf888 1786libvorbis_encoder_deps="libvorbis"
aa11cb79 1787libvorbis_encoder_select="audio_frame_queue"
3f111804
LB
1788libvpx_vp8_decoder_deps="libvpx"
1789libvpx_vp8_encoder_deps="libvpx"
1790libvpx_vp9_decoder_deps="libvpx"
1791libvpx_vp9_encoder_deps="libvpx"
1cc60c47 1792libx264_encoder_deps="libx264"
de295976 1793libxavs_encoder_deps="libxavs"
1cc60c47 1794libxvid_encoder_deps="libxvid"
30fd06be 1795
912f3148 1796# demuxers / muxers
c2dd0e9e 1797ac3_demuxer_select="ac3_parser"
647c2356 1798asf_stream_muxer_select="asf_muxer"
4e622dea 1799avisynth_demuxer_deps="avisynth"
c2dd0e9e 1800dirac_demuxer_select="dirac_parser"
5b423887 1801eac3_demuxer_select="ac3_parser"
c2dd0e9e 1802flac_demuxer_select="flac_parser"
647c2356 1803ipod_muxer_select="mov_muxer"
31f16dc1 1804ismv_muxer_select="mov_muxer"
647c2356 1805matroska_audio_muxer_select="matroska_muxer"
2a91ada8 1806matroska_demuxer_suggest="bzlib lzo zlib"
4e622dea 1807mov_demuxer_suggest="zlib"
5ad2f0bf 1808mov_muxer_select="rtpenc_chain"
c2dd0e9e 1809mp3_demuxer_select="mpegaudio_parser"
647c2356 1810mp4_muxer_select="mov_muxer"
75644335 1811mpegts_muxer_select="adts_muxer latm_muxer"
647c2356
DB
1812mpegtsraw_demuxer_select="mpegts_demuxer"
1813mxf_d10_muxer_select="mxf_muxer"
24ca518b 1814ogg_demuxer_select="golomb"
647c2356 1815psp_muxer_select="mov_muxer"
44594cc7 1816rtp_demuxer_select="sdp_demuxer"
44b70ce5
MS
1817rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1818rtsp_demuxer_select="http_protocol rtpdec"
5ad2f0bf 1819rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
01c8d258 1820sap_demuxer_select="sdp_demuxer"
5ad2f0bf 1821sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
44b70ce5 1822sdp_demuxer_select="rtpdec"
e772f9fa 1823smoothstreaming_muxer_select="ismv_muxer"
f1e94694 1824spdif_muxer_select="aac_parser"
57231e4d 1825tak_demuxer_select="tak_parser"
647c2356
DB
1826tg2_muxer_select="mov_muxer"
1827tgp_muxer_select="mov_muxer"
6bdaa5f4 1828w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1829
1830# indevs / outdevs
38e54a75 1831alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
38e54a75 1832alsa_outdev_deps="alsa_asoundlib_h"
38e54a75 1833bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75 1834dv1394_indev_deps="dv1394 dv_demuxer"
c6f95144 1835fbdev_indev_deps="linux_fb_h"
a3fc62e8 1836jack_indev_deps="jack_jack_h pthreads"
e417d80d 1837libcdio_indev_deps="libcdio"
38e54a75 1838libdc1394_indev_deps="libdc1394"
38e54a75
SS
1839oss_indev_deps_any="soundcard_h sys_soundcard_h"
1840oss_outdev_deps_any="soundcard_h sys_soundcard_h"
0de9c41f 1841pulse_indev_deps="libpulse"
15d59d2c
B
1842sndio_indev_deps="sndio_h"
1843sndio_outdev_deps="sndio_h"
38e54a75 1844v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
ec1ee802 1845vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
a1b3c5a3 1846vfwcap_indev_extralibs="-lavicap32"
24f8961f 1847x11grab_indev_deps="x11grab XShmCreateImage"
30fd06be 1848
912f3148 1849# protocols
acd554c1
SP
1850ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1851ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1852ffrtmpcrypt_protocol_select="tcp_protocol"
775c4d36
SP
1853ffrtmphttp_protocol_deps="!librtmp_protocol"
1854ffrtmphttp_protocol_select="http_protocol"
998c1ee1 1855gopher_protocol_select="network"
c40e1757 1856httpproxy_protocol_select="tcp_protocol"
279a0c97 1857http_protocol_select="tcp_protocol"
183baead 1858https_protocol_select="tls_protocol"
c3b57d6e
DB
1859librtmp_protocol_deps="librtmp"
1860librtmpe_protocol_deps="librtmp"
1861librtmps_protocol_deps="librtmp"
1862librtmpt_protocol_deps="librtmp"
1863librtmpte_protocol_deps="librtmp"
c60a2d70 1864mmsh_protocol_select="http_protocol"
998c1ee1 1865mmst_protocol_select="network"
c3b57d6e 1866rtmp_protocol_deps="!librtmp_protocol"
deeb7012 1867rtmp_protocol_select="tcp_protocol"
acd554c1 1868rtmpe_protocol_select="ffrtmpcrypt_protocol"
6aedabc9
SP
1869rtmps_protocol_deps="!librtmp_protocol"
1870rtmps_protocol_select="tls_protocol"
775c4d36 1871rtmpt_protocol_select="ffrtmphttp_protocol"
08cd95e8 1872rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
6c1ed454 1873rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
deeb7012 1874rtp_protocol_select="udp_protocol"
998c1ee1
DB
1875sctp_protocol_deps="struct_sctp_event_subscribe"
1876sctp_protocol_select="network"
0eecafc9 1877srtp_protocol_select="rtp_protocol"
998c1ee1 1878tcp_protocol_select="network"
558d192d
MS
1879tls_protocol_deps_any="openssl gnutls"
1880tls_protocol_select="tcp_protocol"
998c1ee1 1881udp_protocol_select="network"
c08fb000 1882
6ebf0bfc 1883# filters
13fabd7a 1884blackframe_filter_deps="gpl"
ce6b6ef6 1885boxblur_filter_deps="gpl"
68b79bfc 1886cropdetect_filter_deps="gpl"
b157be1f 1887delogo_filter_deps="gpl"
a5b64584 1888drawtext_filter_deps="libfreetype"
2e5ff4d0 1889frei0r_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1890frei0r_filter_extralibs='$ldl'
a42bb9d6 1891frei0r_src_filter_deps="frei0r dlopen strtok_r"
cfec77aa 1892frei0r_src_filter_extralibs='$ldl'
a4dc7aa5 1893hqdn3d_filter_deps="gpl"
3fce1367 1894interlace_filter_deps="gpl"
d371e7b9 1895resample_filter_deps="avresample"
cf69ad35 1896ocv_filter_deps="libopencv"
2f296e39 1897scale_filter_deps="swscale"
acbac567 1898yadif_filter_deps="gpl"
6ebf0bfc 1899
5a0f7131 1900# libraries
d89f2fa9
DB
1901avcodec_deps="avutil"
1902avdevice_deps="avutil avcodec avformat"
1903avfilter_deps="avutil"
1904avformat_deps="avutil avcodec"
1905avresample_deps="avutil"
1906swscale_deps="avutil"
f7679c54 1907
912f3148 1908# programs
54fd593a 1909avconv_deps="avcodec avfilter avformat avresample swscale"
bce70f81 1910avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
0a0e340f 1911 fps_filter null_filter resample_filter scale_filter
bce70f81 1912 setpts_filter trim_filter"
d173ede1 1913avplay_deps="avcodec avformat avresample swscale sdl"
266463da 1914avplay_select="rdft"
9e12f0bf 1915avprobe_deps="avcodec avformat"
b263bf66 1916avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
4d58e4cb 1917avserver_extralibs='$ldl'
a2830dca 1918
c73f65d9 1919doc_deps="texi2html"
912f3148 1920
de6d9b64 1921# default parameters
8a608357 1922
19bd477d 1923logfile="config.log"
8a608357
MR
1924
1925# installation paths
c9d19248
MR
1926prefix_default="/usr/local"
1927bindir_default='${prefix}/bin'
6291d7e4 1928datadir_default='${prefix}/share/avconv'
c9d19248
MR
1929incdir_default='${prefix}/include'
1930libdir_default='${prefix}/lib'
1931mandir_default='${prefix}/share/man'
1932shlibdir_default="$libdir_default"
8a608357
MR
1933
1934# toolchain
121d78d0 1935ar_default="ar"
13c7df3d 1936cc_default="gcc"
9da6609f 1937host_cc_default="gcc"
4ebc6a74 1938cp_f="cp -f"
b58b00ae 1939ln_s="ln -s -f"
2a8a860a 1940nm_default="nm -g"
11e6d03a 1941objformat="elf"
3f8040db 1942pkg_config_default=pkg-config
be7109c1 1943ranlib="ranlib"
11e6d03a 1944yasmexe="yasm"
8a608357 1945
3e0b1c9a 1946nogas=":"
8182dc34 1947
8a608357 1948# machine
8d4c00ed 1949arch_default=$(uname -m)
38d0a8aa 1950cpu="generic"
8a608357 1951
8a608357 1952# OS
8d4c00ed
MR
1953target_os_default=$(tolower $(uname -s))
1954host_os=$target_os_default
8a608357 1955
8a608357 1956# configurable options
d89f2fa9 1957enable $LIBRARY_LIST $PROGRAM_LIST
3e0b1c9a 1958
3e0b1c9a
DB
1959enable asm
1960enable debug
1961enable doc
8400d6b8 1962enable optimizations
8cfbbd92 1963enable safe_bitstream_reader
530dc538 1964enable static
a9ddb5b1 1965enable swscale_alpha
8a608357 1966
2e2ec667
DB
1967# By default, enable only those hwaccels that have no external dependencies.
1968enable dxva2 vdpau
1969
8a608357 1970# build settings
9987769a 1971SHFLAGS='-shared -Wl,-soname,$$(@F)'
4d58e4cb 1972AVSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1973LIBPREF="lib"
1974LIBSUF=".a"
c5f14466
RP
1975FULLNAME='$(NAME)$(BUILDSUF)'
1976LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1977SLIBPREF="lib"
1978SLIBSUF=".so"
c5f14466 1979SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1980SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1981SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1982LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2f138f0b
MR
1983SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1984SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
ef0bc4c9 1985
68485d1f
MR
1986asflags_filter=echo
1987cflags_filter=echo
64933b6c
MR
1988ldflags_filter=echo
1989
23565c26 1990AS_C='-c'
bc877faf 1991AS_O='-o $@'
23565c26 1992CC_C='-c'
18031c49 1993CC_E='-E -o $@'
7e6c86e6 1994CC_O='-o $@'
a758c5e2 1995LD_O='-o $@'
8db73c61
MR
1996LD_LIB='-l%'
1997LD_PATH='-L'
23565c26 1998HOSTCC_C='-c'
a758c5e2 1999HOSTCC_O='-o $@'
095792f2 2000HOSTLD_O='-o $@'
7e6c86e6 2001
4cc4b33f
DB
2002host_cflags='-O3 -g'
2003host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
9da6609f 2004host_libs='-lm'
6c3fa06a
MR
2005host_cflags_filter=echo
2006host_ldflags_filter=echo
9da6609f 2007
9b861379 2008target_path='$(CURDIR)'
a7ada2ba 2009
a158446b
MR
2010# since the object filename is not given with the -MM flag, the compiler
2011# is only able to print the basename, and we must add the path ourselves
a758c5e2
MR
2012DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2013DEPFLAGS='-MM'
315c741d 2014
c597172e 2015# find source path
24524f36 2016if test -f configure; then
f038cf3c 2017 source_path=.
c597172e 2018else
8477f2de 2019 source_path=$(cd $(dirname "$0"); pwd)
c597172e 2020 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 2021 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
2022 test -e "$source_path/config.h" &&
2023 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
2024fi
2025
13cbe2c0 2026for v in "$@"; do
b04251c5
MR
2027 r=${v#*=}
2028 l=${v%"$r"}
2029 r=$(sh_quote "$r")
29ba0911 2030 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
13cbe2c0 2031done
c597172e 2032
73ef8980
MR
2033find_things(){
2034 thing=$1
2035 pattern=$2
2036 file=$source_path/$3
932ccf39 2037 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
2038}
2039
2040ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2041DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 2042HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
2043PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2044BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2045MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2046DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
2047OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2048INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 2049PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 2050FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 2051
54e75be4
DB
2052ALL_COMPONENTS="
2053 $BSF_LIST
2054 $DECODER_LIST
2055 $DEMUXER_LIST
2056 $ENCODER_LIST
2057 $FILTER_LIST
2058 $HWACCEL_LIST
2059 $INDEV_LIST
2060 $MUXER_LIST
2061 $OUTDEV_LIST
2062 $PARSER_LIST
2063 $PROTOCOL_LIST
2064"
2065
8469ae22
MR
2066for n in $COMPONENT_LIST; do
2067 v=$(toupper ${n%s})_LIST
2068 eval enable \$$v
2069 eval ${n}_if_any="\$$v"
2070done
2071
206a070d 2072enable $ARCH_EXT_LIST
c597172e
MR
2073
2074die_unknown(){
2075 echo "Unknown option \"$1\"."
2076 echo "See $0 --help for available options."
2077 exit 1
2078}
2079
7432e872
DB
2080print_3_columns() {
2081 cat | tr ' ' '\n' | sort | pr -r -3 -t
2082}
2083
794f8e97 2084show_list() {
bf0c4afa
RP
2085 suffix=_$1
2086 shift
7432e872 2087 echo $* | sed s/$suffix//g | print_3_columns
794f8e97
PI
2088 exit 0
2089}
2090
154caa67
MR
2091rand_list(){
2092 IFS=', '
2093 set -- $*
2094 unset IFS
2095 for thing; do
2096 comp=${thing%:*}
2097 prob=${thing#$comp}
2098 prob=${prob#:}
2099 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2100 echo "prob ${prob:-0.5}"
2101 printf '%s\n' $comp
2102 done
2103}
2104
2105do_random(){
2106 action=$1
2107 shift
2108 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2109 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2110}
2111
c597172e 2112for opt do
7483e694
DB
2113 optval="${opt#*=}"
2114 case "$opt" in
ea061af1
DB
2115 --extra-ldflags=*)
2116 add_ldflags $optval
7e9e7cc2 2117 ;;
ea061af1
DB
2118 --extra-libs=*)
2119 add_extralibs $optval
7e9e7cc2 2120 ;;
ea061af1
DB
2121 --disable-devices)
2122 disable $INDEV_LIST $OUTDEV_LIST
7e9e7cc2 2123 ;;
ea061af1
DB
2124 --enable-debug=*)
2125 debuglevel="$optval"
7e9e7cc2
MR
2126 ;;
2127 --disable-programs)
2128 disable $PROGRAM_LIST
2129 ;;
2130 --disable-everything)
2131 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2132 ;;
844c6852
DB
2133 --disable-all)
2134 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2135 disable $LIBRARY_LIST $PROGRAM_LIST doc
2136 ;;
7e9e7cc2
MR
2137 --enable-random|--disable-random)
2138 action=${opt%%-random}
2139 do_random ${action#--} $COMPONENT_LIST
2140 ;;
2141 --enable-random=*|--disable-random=*)
2142 action=${opt%%-random=*}
2143 do_random ${action#--} $optval
2144 ;;
2145 --enable-*=*|--disable-*=*)
2146 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2147 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2148 eval list=\$$(toupper $thing)_LIST
2149 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2150 $action $(filter "$name" $list)
2151 ;;
2152 --enable-?*|--disable-?*)
2153 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2154 if is_in $option $COMPONENT_LIST; then
2155 test $action = disable && action=unset
2156 eval $action \$$(toupper ${option%s})_LIST
2157 elif is_in $option $CMDLINE_SELECT; then
2158 $action $option
2159 else
2160 die_unknown $opt
2161 fi
2162 ;;
2163 --list-*)
2164 NAME="${opt#--list-}"
2165 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2166 NAME=${NAME%s}
2167 eval show_list $NAME \$$(toupper $NAME)_LIST
2168 ;;
2169 --help|-h) show_help
2170 ;;
2171 *)
2172 optname="${opt%%=*}"
2173 optname="${optname#--}"
2174 optname=$(echo "$optname" | sed 's/-/_/g')
2175 if is_in $optname $CMDLINE_SET; then
2176 eval $optname='$optval'
2177 elif is_in $optname $CMDLINE_APPEND; then
2178 append $optname "$optval"
2179 else
2180 die_unknown $opt
2181 fi
2182 ;;
7483e694 2183 esac
c597172e
MR
2184done
2185
bcea99bb
MR
2186disabled logging && logfile=/dev/null
2187
29ba0911 2188echo "# $0 $LIBAV_CONFIGURATION" > $logfile
bcea99bb
MR
2189set >> $logfile
2190
9da6609f
MR
2191test -n "$cross_prefix" && enable cross_compile
2192
8d4c00ed
MR
2193if enabled cross_compile; then
2194 test -n "$arch" && test -n "$target_os" ||
2195 die "Must specify target arch and OS when cross-compiling"
2196fi
2197
121d78d0 2198ar_default="${cross_prefix}${ar_default}"
11e6d03a 2199cc_default="${cross_prefix}${cc_default}"
20e0ed95 2200nm_default="${cross_prefix}${nm_default}"
3f8040db 2201pkg_config_default="${cross_prefix}${pkg_config_default}"
adb2b908 2202ranlib="${cross_prefix}${ranlib}"
adb2b908 2203
c5200f17
MR
2204sysinclude_default="${sysroot}/usr/include"
2205
aeeb782c 2206case "$toolchain" in
0fbb62a8
LB
2207 clang-asan)
2208 cc_default="clang"
19f251a2
LB
2209 add_cflags -fsanitize=address
2210 add_ldflags -fsanitize=address
0fbb62a8
LB
2211 ;;
2212 clang-tsan)
2213 cc_default="clang"
19f251a2
LB
2214 add_cflags -fsanitize=thread -pie
2215 add_ldflags -fsanitize=thread -pie
0fbb62a8 2216 ;;
edfe609f
LB
2217 valgrind-massif)
2218 target_exec_default="valgrind"
2219 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2220 ;;
b1ee8eec
RT
2221 valgrind-memcheck)
2222 target_exec_default="valgrind"
2223 target_exec_args="--track-origins=yes --leak-check=full"
2224 ;;
aeeb782c
MR
2225 msvc)
2226 cc_default="c99wrap cl"
2227 ld_default="c99wrap link"
2228 nm_default="dumpbin -symbols"
ac3a9b51 2229 ar_default="lib"
53e8cd68 2230 target_os_default="win32"
aeeb782c 2231 ;;
322e4194
AS
2232 icl)
2233 cc_default="c99wrap -noconv icl"
2234 ld_default="c99wrap xilink"
2235 nm_default="dumpbin -symbols"
2236 ar_default="xilib"
2237 target_os_default="win32"
2238 ;;
a862c7d3
RT
2239 gcov)
2240 add_cflags -fprofile-arcs -ftest-coverage
2241 add_ldflags -fprofile-arcs -ftest-coverage
2242 ;;
aeeb782c
MR
2243 ?*)
2244 die "Unknown toolchain $toolchain"
2245 ;;
2246esac
2247
b1ee8eec 2248set_default arch cc pkg_config sysinclude target_exec target_os
9da6609f
MR
2249enabled cross_compile || host_cc_default=$cc
2250set_default host_cc
13c7df3d 2251
762f95e4
MR
2252if ! $pkg_config --version >/dev/null 2>&1; then
2253 warn "$pkg_config not found, library detection may fail."
2254 pkg_config=false
2255fi
2256
82bb3329
MR
2257exesuf() {
2258 case $1 in
53e8cd68 2259 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
82bb3329
MR
2260 esac
2261}
2262
2263EXESUF=$(exesuf $target_os)
2264HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 2265
e4e69e0b 2266# set temporary file name
a49d42c2 2267: ${TMPDIR:=$TEMPDIR}
c51fafa1 2268: ${TMPDIR:=$TMP}
a49d42c2 2269: ${TMPDIR:=/tmp}
e4e69e0b 2270
a210bce2 2271if ! check_cmd mktemp -u XXXXXX; then
54460a83
MR
2272 # simple replacement for missing mktemp
2273 # NOT SAFE FOR GENERAL USE
2274 mktemp(){
09a5c245 2275 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
54460a83
MR
2276 }
2277fi
2278
2279tmpfile(){
2280 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2281 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 2282 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
2283 append TMPFILES $tmp
2284 eval $1=$tmp
2285}
2286
2287trap 'rm -f -- $TMPFILES' EXIT
54460a83 2288
55127e7b 2289tmpfile TMPASM .asm
3e0b1c9a
DB
2290tmpfile TMPC .c
2291tmpfile TMPE $EXESUF
2292tmpfile TMPH .h
2293tmpfile TMPO .o
2294tmpfile TMPS .S
2295tmpfile TMPSH .sh
2296tmpfile TMPV .ver
54460a83
MR
2297
2298unset -f mktemp
e4e69e0b 2299
fb3c4ffc
MR
2300chmod +x $TMPE
2301
993f2d0f
MR
2302# make sure we can execute files in $TMPDIR
2303cat > $TMPSH 2>> $logfile <<EOF
2304#! /bin/sh
2305EOF
2306chmod +x $TMPSH >> $logfile 2>&1
2307if ! $TMPSH >> $logfile 2>&1; then
2308 cat <<EOF
2309Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2310variable to another directory and make sure that it is not mounted noexec.
2311EOF
2312 die "Sanity test failed."
2313fi
993f2d0f 2314
457cc333
MR
2315ccc_flags(){
2316 for flag; do
2317 case $flag in
2318 -std=c99) echo -c99 ;;
2319 -mcpu=*) echo -arch ${flag#*=} ;;
2320 -mieee) echo -ieee ;;
2321 -O*|-fast) echo $flag ;;
2322 -fno-math-errno) echo -assume nomath_errno ;;
2323 -g) echo -g3 ;;
2324 -Wall) echo -msg_enable level2 ;;
2325 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2326 -Wl,*) echo $flag ;;
2327 -f*|-W*) ;;
2328 *) echo $flag ;;
2329 esac
2330 done
2331}
2332
dfa559bc
RB
2333msvc_flags(){
2334 for flag; do
2335 case $flag in
2336 -fomit-frame-pointer) echo -Oy ;;
2337 -g) echo -Z7 ;;
2338 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2339 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4a185ed2 2340 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
d66c52c2 2341 -wd4996 -wd4273 ;;
dfa559bc
RB
2342 -std=c99) ;;
2343 -fno-math-errno) ;;
2344 -fno-common) ;;
2345 -fno-signed-zeros) ;;
50640977 2346 -fPIC) ;;
dfa559bc 2347 -lz) echo zlib.lib ;;
bd680c7b
DB
2348 -lavifil32) echo vfw32.lib ;;
2349 -lavicap32) echo vfw32.lib user32.lib ;;
dfa559bc
RB
2350 -l*) echo ${flag#-l}.lib ;;
2351 *) echo $flag ;;
2352 esac
2353 done
2354}
2355
d0c6d424
MR
2356pgi_flags(){
2357 for flag; do
2358 case $flag in
643933f5 2359 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
d0c6d424
MR
2360 -fomit-frame-pointer) echo -Mnoframe ;;
2361 -g) echo -gopt ;;
2362 *) echo $flag ;;
2363 esac
2364 done
2365}
2366
2367suncc_flags(){
2368 for flag; do
2369 case $flag in
2370 -march=*|-mcpu=*)
2371 case "${flag#*=}" in
2372 native) echo -xtarget=native ;;
2373 v9|niagara) echo -xarch=sparc ;;
2374 ultrasparc) echo -xarch=sparcvis ;;
2375 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2376 i586|pentium) echo -xchip=pentium ;;
2377 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2378 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2379 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2380 pentium4*) echo -xtarget=pentium4 ;;
2381 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2382 *-sse3) echo -xarch=sse3 ;;
2383 core2) echo -xarch=ssse3 -xchip=core2 ;;
f2ce813e
SM
2384 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2385 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
b36f87ff 2386 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
d0c6d424
MR
2387 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2388 k8|opteron|athlon64|athlon-fx)
2389 echo -xarch=sse2a ;;
2390 athlon*) echo -xarch=pentium_proa ;;
2391 esac
2392 ;;
2393 -std=c99) echo -xc99 ;;
2394 -fomit-frame-pointer) echo -xregs=frameptr ;;
2395 -fPIC) echo -KPIC -xcode=pic32 ;;
2396 -W*,*) echo $flag ;;
5e753ed5
SM
2397 -f*-*|-W*|-mimpure-text) ;;
2398 -shared) echo -G ;;
d0c6d424
MR
2399 *) echo $flag ;;
2400 esac
2401 done
2402}
2403
2404tms470_flags(){
2405 for flag; do
2406 case $flag in
2407 -march=*|-mcpu=*)
2408 case "${flag#*=}" in
2409 armv7-a|cortex-a*) echo -mv=7a8 ;;
2410 armv7-r|cortex-r*) echo -mv=7r4 ;;
2411 armv7-m|cortex-m*) echo -mv=7m3 ;;
2412 armv6*|arm11*) echo -mv=6 ;;
2413 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2414 echo -mv=5e ;;
2415 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2416 esac
2417 ;;
2418 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2419 -mfpu=vfp) echo --float_support=vfpv2 ;;
2420 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
b5198a26 2421 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
d0c6d424
MR
2422 -msoft-float) echo --float_support=vfplib ;;
2423 -O[0-3]|-mf=*) echo $flag ;;
2424 -g) echo -g -mn ;;
2425 -pds=*) echo $flag ;;
ad93dccb
MR
2426 -D*|-I*) echo $flag ;;
2427 --gcc|--abi=*) echo $flag ;;
2428 -me) echo $flag ;;
d0c6d424
MR
2429 esac
2430 done
2431}
2432
a758c5e2
MR
2433probe_cc(){
2434 pfx=$1
2435 _cc=$2
2436
8db73c61
MR
2437 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2438 unset _ld_o _ldflags _ld_lib _ld_path
18031c49 2439 unset _depflags _DEPCMD _DEPFLAGS
a758c5e2
MR
2440 _flags_filter=echo
2441
2442 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2443 _type=llvm_gcc
2444 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2445 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2446 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2447 _cflags_speed='-O3'
2448 _cflags_size='-Os'
2449 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2450 _type=gcc
2451 gcc_version=$($_cc --version | head -n1)
2452 gcc_basever=$($_cc -dumpversion)
2453 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2454 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2455 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2456 if ! $_cc -dumpversion | grep -q '^2\.'; then
2457 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2458 fi
2459 _cflags_speed='-O3'
2460 _cflags_size='-Os'
b2d688ea 2461 elif $_cc --version 2>/dev/null | grep -q ^icc; then
a758c5e2
MR
2462 _type=icc
2463 _ident=$($_cc --version | head -n1)
2464 _depflags='-MMD'
2465 _cflags_speed='-O3'
2466 _cflags_size='-Os'
2467 _cflags_noopt='-O1'
2468 elif $_cc -v 2>&1 | grep -q xlc; then
2469 _type=xlc
2470 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2471 _cflags_speed='-O5'
2472 _cflags_size='-O5 -qcompact'
2473 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2474 _type=ccc
2475 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2476 _DEPFLAGS='-M'
a758c5e2
MR
2477 _cflags_speed='-fast'
2478 _cflags_size='-O1'
457cc333 2479 _flags_filter=ccc_flags
a758c5e2
MR
2480 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2481 test -d "$sysroot" || die "No valid sysroot specified."
2482 _type=armcc
2483 _ident=$($_cc --vsn | head -n1)
2484 armcc_conf="$PWD/armcc.conf"
2485 $_cc --arm_linux_configure \
2486 --arm_linux_config_file="$armcc_conf" \
2487 --configure_sysroot="$sysroot" \
2488 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2489 die "Error creating armcc configuration file."
2490 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2491 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2492 as_default="${cross_prefix}gcc"
2493 _depflags='-MMD'
2494 _cflags_speed='-O3'
2495 _cflags_size='-Os'
0122118e 2496 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
a758c5e2
MR
2497 _type=tms470
2498 _ident=$($_cc -version | head -n1 | tr -s ' ')
2499 _flags='--gcc --abi=eabi -me'
18031c49 2500 _cc_e='-ppl -fe=$@'
a758c5e2 2501 _cc_o='-fe=$@'
a758c5e2
MR
2502 _depflags='-ppa -ppd=$(@:.o=.d)'
2503 _cflags_speed='-O3 -mf=5'
2504 _cflags_size='-O3 -mf=2'
2505 _flags_filter=tms470_flags
2506 elif $_cc -v 2>&1 | grep -q clang; then
2507 _type=clang
2508 _ident=$($_cc --version | head -n1)
2509 _depflags='-MMD'
2510 _cflags_speed='-O3'
2511 _cflags_size='-Os'
2512 elif $_cc -V 2>&1 | grep -q Sun; then
2513 _type=suncc
2514 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2515 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
c72f12cb 2516 _DEPFLAGS='-xM1 -xc99'
a758c5e2
MR
2517 _ldflags='-std=c99'
2518 _cflags_speed='-O5'
2519 _cflags_size='-O5 -xspace'
2520 _flags_filter=suncc_flags
2521 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2522 _type=pathscale
2523 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2524 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2525 _cflags_speed='-O2'
2526 _cflags_size='-Os'
2527 _flags_filter='filter_out -Wdisabled-optimization'
2528 elif $_cc -v 2>&1 | grep -q Open64; then
2529 _type=open64
2530 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2531 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2532 _cflags_speed='-O2'
2533 _cflags_size='-Os'
2534 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2535 elif $_cc -V 2>&1 | grep -q Portland; then
2536 _type=pgi
2537 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
8f23907f 2538 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
a758c5e2
MR
2539 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2540 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2541 _cflags_noopt="-O1"
2542 _flags_filter=pgi_flags
dfa559bc
RB
2543 elif $_cc 2>&1 | grep -q Microsoft; then
2544 _type=msvc
2545 _ident=$($cc 2>&1 | head -n1)
2546 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2547 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2548 _cflags_speed="-O2"
2549 _cflags_size="-O1"
2550 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2551 if $_cc 2>&1 | grep -q Linker; then
2552 _ld_o='-out $@'
2553 else
2554 _ld_o='-Fe$@'
2555 fi
2556 _cc_o='-Fo $@'
a224b2cb 2557 _cc_e='-P -Fi $@'
dfa559bc
RB
2558 _flags_filter=msvc_flags
2559 _ld_lib='lib%.a'
2560 _ld_path='-libpath:'
2561 _flags='-nologo'
2562 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2563 if [ $pfx = hostcc ]; then
6a0200f2 2564 append _cflags -Dsnprintf=_snprintf
dfa559bc 2565 fi
322e4194
AS
2566 elif $_cc 2>&1 | grep -q Intel; then
2567 _type=icl
2568 _ident=$($cc 2>&1 | head -n1)
2569 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
2570 # Not only is O3 broken on 13.x+ but it's slower on all previous versions (tested) as well
2571 _cflags_speed="-O2"
2572 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
2573 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2574 if $_cc 2>&1 | grep -q Linker; then
2575 _ld_o='-out $@'
2576 else
2577 _ld_o='-Fe$@'
2578 fi
2579 _cc_o='-Fo $@'
2580 _cc_e='-P'
2581 _flags_filter=msvc_flags
2582 _ld_lib='lib%.a'
2583 _ld_path='-libpath:'
2584 # -Qdiag-error to make icl error when presented with certain unknown arguments
2585 _flags='-nologo -Qdiag-error:10157 -Qdiag-error:4044'
2586 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency with msvc which enables it by default
2587 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64 -Qstd=c99 -Qms0 -Qvec- -Qsimd- -GS'
2588 if [ $pfx = hostcc ]; then
2589 append _cflags -Dsnprintf=_snprintf
2590 fi
aef6bd1b 2591 fi
a758c5e2
MR
2592
2593 eval ${pfx}_type=\$_type
2594 eval ${pfx}_ident=\$_ident
2595}
2596
2597set_ccvars(){
23565c26 2598 eval ${1}_C=\${_cc_c-\${${1}_C}}
18031c49 2599 eval ${1}_E=\${_cc_e-\${${1}_E}}
a758c5e2
MR
2600 eval ${1}_O=\${_cc_o-\${${1}_O}}
2601
2602 if [ -n "$_depflags" ]; then
2603 eval ${1}_DEPFLAGS=\$_depflags
2604 else
2605 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2606 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2607 eval DEP${1}FLAGS=\$_flags
2608 fi
2609}
2610
2611probe_cc cc "$cc"
2612cflags_filter=$_flags_filter
2613cflags_speed=$_cflags_speed
2614cflags_size=$_cflags_size
2615cflags_noopt=$_cflags_noopt
2616add_cflags $_flags $_cflags
2617cc_ldflags=$_ldflags
2618set_ccvars CC
2619
2620probe_cc hostcc "$host_cc"
2621host_cflags_filter=$_flags_filter
a758c5e2 2622add_host_cflags $_flags $_cflags
a758c5e2 2623set_ccvars HOSTCC
629687f6 2624
851ffa80
MR
2625test -n "$cc_type" && enable $cc_type ||
2626 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 2627
75bafbac 2628: ${as_default:=$cc}
50567afa 2629: ${dep_cc_default:=$cc}
684b28e0 2630: ${ld_default:=$cc}
095792f2
MR
2631: ${host_ld_default:=$host_cc}
2632set_default ar as dep_cc ld host_ld
75800dce 2633
a758c5e2
MR
2634probe_cc as "$as"
2635asflags_filter=$_flags_filter
2636add_asflags $_flags $_cflags
2637set_ccvars AS
2638
2639probe_cc ld "$ld"
2640ldflags_filter=$_flags_filter
2641add_ldflags $_flags $_ldflags
2642test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2763587c 2643LD_O=${_ld_o-$LD_O}
8db73c61
MR
2644LD_LIB=${_ld_lib-$LD_LIB}
2645LD_PATH=${_ld_path-$LD_PATH}
a758c5e2 2646
095792f2
MR
2647probe_cc hostld "$host_ld"
2648host_ldflags_filter=$_flags_filter
2649add_host_ldflags $_flags $_ldflags
2650HOSTLD_O=${_ld_o-$HOSTLD_O}
2651
a758c5e2
MR
2652if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2653 probe_cc depcc "$dep_cc"
2654 CCDEP=${_DEPCMD:-$DEPCMD}
2655 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2656 DEPCCFLAGS=$_flags
2657fi
07dec06e 2658
3dbc777c
MR
2659if $ar 2>&1 | grep -q Microsoft; then
2660 arflags="-nologo"
2661 ar_o='-out:$@'
2662elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2663 arflags="rq"
2664 ar_o='$@'
2665else
2666 arflags="rc"
2667 ar_o='$@'
2668fi
2669
7f32f40c 2670add_cflags $extra_cflags
2f2e6c7c 2671add_asflags $extra_cflags
7f32f40c 2672
154d432c
MR
2673if test -n "$sysroot"; then
2674 case "$cc_type" in
00ba041c 2675 gcc|llvm_gcc|clang)
467256f2 2676 add_cppflags --sysroot="$sysroot"
154d432c
MR
2677 add_ldflags --sysroot="$sysroot"
2678 ;;
6fec122a
MR
2679 tms470)
2680 add_cppflags -I"$sysinclude"
2681 add_ldflags --sysroot="$sysroot"
2682 ;;
154d432c
MR
2683 esac
2684fi
2685
d22c13a8
MR
2686if test "$cpu" = host; then
2687 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2688
2689 case "$cc_type" in
613a4e3f 2690 gcc|llvm_gcc)
d22c13a8
MR
2691 check_native(){
2692 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
b695256e 2693 sed -n "/cc1.*$1=/{
27ce1be8
MR
2694 s/.*$1=\\([^ ]*\\).*/\\1/
2695 p
2696 q
2697 }" $TMPE
d22c13a8
MR
2698 }
2699 cpu=$(check_native -march || check_native -mcpu)
2700 ;;
2701 esac
2702
2703 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2704fi
2705
e939cedd
MR
2706# Deal with common $arch aliases
2707case "$arch" in
5873b623
MR
2708 aarch64|arm64)
2709 arch="aarch64"
2710 ;;
e939cedd
MR
2711 arm*)
2712 arch="arm"
2713 ;;
2acda282 2714 mips*|IP*)
e939cedd
MR
2715 arch="mips"
2716 ;;
a6e9d649 2717 parisc*|hppa*)
e939cedd
MR
2718 arch="parisc"
2719 ;;
56203596 2720 "Power Macintosh"|ppc*|powerpc*)
e939cedd
MR
2721 arch="ppc"
2722 ;;
e939cedd
MR
2723 s390|s390x)
2724 arch="s390"
2725 ;;
2726 sh4|sh)
2727 arch="sh4"
2728 ;;
4cd217c0 2729 sun4u|sparc*)
e939cedd 2730 arch="sparc"
e939cedd 2731 ;;
c75848cd
DB
2732 tilegx|tile-gx)
2733 arch="tilegx"
2734 ;;
d33ed7b3 2735 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
e939cedd
MR
2736 arch="x86"
2737 ;;
2738esac
2739
851ffa80 2740is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 2741enable $arch
e939cedd 2742
df5cdc24 2743# Add processor-specific flags
9ebd45c2 2744if enabled aarch64; then
33db40f8
MR
2745
2746 case $cpu in
2747 armv*)
2748 cpuflags="-march=$cpu"
2749 ;;
2750 *)
2751 cpuflags="-mcpu=$cpu"
2752 ;;
2753 esac
2754
2755elif enabled alpha; then
2756
2757 cpuflags="-mcpu=$cpu"
2758
2759elif enabled arm; then
2760
1234c66a
MR
2761 check_arm_arch() {
2762 check_cpp_condition stddef.h \
2763 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2764 $cpuflags
2765 }
2766
2767 probe_arm_arch() {
2768 if check_arm_arch 4; then echo armv4;
2769 elif check_arm_arch 4T; then echo armv4t;
2770 elif check_arm_arch 5; then echo armv5;
2771 elif check_arm_arch 5E; then echo armv5e;
2772 elif check_arm_arch 5T; then echo armv5t;
2773 elif check_arm_arch 5TE; then echo armv5te;
2774 elif check_arm_arch 5TEJ; then echo armv5te;
2775 elif check_arm_arch 6; then echo armv6;
2776 elif check_arm_arch 6J; then echo armv6j;
2777 elif check_arm_arch 6K; then echo armv6k;
2778 elif check_arm_arch 6Z; then echo armv6z;
2779 elif check_arm_arch 6ZK; then echo armv6zk;
2780 elif check_arm_arch 6T2; then echo armv6t2;
2781 elif check_arm_arch 7; then echo armv7;
2782 elif check_arm_arch 7A 7_A; then echo armv7-a;
2783 elif check_arm_arch 7R 7_R; then echo armv7-r;
2784 elif check_arm_arch 7M 7_M; then echo armv7-m;
2785 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2786 elif check_arm_arch 8A 8_A; then echo armv8-a;
2787 fi
2788 }
2789
2790 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2791
33db40f8
MR
2792 case $cpu in
2793 armv*)
2794 cpuflags="-march=$cpu"
2795 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2796 ;;
2797 *)
2798 cpuflags="-mcpu=$cpu"
2799 case $cpu in
2800 cortex-a*) subarch=armv7a ;;
2801 cortex-r*) subarch=armv7r ;;
2802 cortex-m*) enable thumb; subarch=armv7m ;;
2803 arm11*) subarch=armv6 ;;
2804 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2805 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
1234c66a 2806 *) subarch=$(probe_arm_arch) ;;
33db40f8
MR
2807 esac
2808 ;;
2809 esac
2810
f0fe245b
MR
2811 case "$subarch" in
2812 armv5t*) enable fast_clz ;;
2813 armv[6-8]*) enable fast_clz fast_unaligned ;;
2814 esac
2815
33db40f8
MR
2816elif enabled avr32; then
2817
2818 case $cpu in
2819 ap7[02]0[0-2])
2820 subarch="avr32_ap"
2821 cpuflags="-mpart=$cpu"
2822 ;;
2823 ap)
2824 subarch="avr32_ap"
2825 cpuflags="-march=$cpu"
2826 ;;
2827 uc3[ab]*)
2828 subarch="avr32_uc"
2829 cpuflags="-mcpu=$cpu"
2830 ;;
2831 uc)
2832 subarch="avr32_uc"
2833 cpuflags="-march=$cpu"
2834 ;;
2835 esac
2836
2837elif enabled bfin; then
2838
2839 cpuflags="-mcpu=$cpu"
2840
2841elif enabled mips; then
2842
2843 cpuflags="-march=$cpu"
2844
5d54c126 2845elif enabled ppc; then
343aef9b 2846
56348891
MR
2847 case $(tolower $cpu) in
2848 601|ppc601|powerpc601)
9dbd5c3d 2849 cpuflags="-mcpu=601"
64ad53ff 2850 disable altivec
9dbd5c3d 2851 ;;
56348891 2852 603*|ppc603*|powerpc603*)
9dbd5c3d 2853 cpuflags="-mcpu=603"
64ad53ff 2854 disable altivec
9dbd5c3d 2855 ;;
56348891 2856 604*|ppc604*|powerpc604*)
9dbd5c3d 2857 cpuflags="-mcpu=604"
64ad53ff 2858 disable altivec
9dbd5c3d 2859 ;;
56348891 2860 g3|75*|ppc75*|powerpc75*)
7f1fcaf0 2861 cpuflags="-mcpu=750"
64ad53ff 2862 disable altivec
9dbd5c3d 2863 ;;
56348891 2864 g4|745*|ppc745*|powerpc745*)
7f1fcaf0 2865 cpuflags="-mcpu=7450"
9dbd5c3d 2866 ;;
56348891 2867 74*|ppc74*|powerpc74*)
7f1fcaf0 2868 cpuflags="-mcpu=7400"
9dbd5c3d 2869 ;;
313f9fbf 2870 g5|970|ppc970|powerpc970)
7f1fcaf0 2871 cpuflags="-mcpu=970"
9dbd5c3d 2872 ;;
313f9fbf 2873 power[3-7]*)
7f1fcaf0 2874 cpuflags="-mcpu=$cpu"
313f9fbf 2875 ;;
56348891 2876 cell)
9dbd5c3d
MR
2877 cpuflags="-mcpu=cell"
2878 enable ldbrx
2879 ;;
4ab26cb4
DB
2880 e500mc)
2881 cpuflags="-mcpu=e500mc"
2882 disable altivec
2883 ;;
7b0b81a1
AL
2884 e500v2)
2885 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2886 disable altivec
2887 ;;
2888 e500)
2889 cpuflags="-mcpu=8540 -mhard-float"
2890 disable altivec
2891 ;;
9dbd5c3d 2892 esac
343aef9b 2893
33db40f8
MR
2894elif enabled sparc; then
2895
2896 case $cpu in
2897 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2898 cpuflags="-mcpu=$cpu"
2899 disable vis
2900 ;;
2901 ultrasparc*|niagara[234])
2902 cpuflags="-mcpu=$cpu"
2903 ;;
2904 esac
2905
343aef9b
MR
2906elif enabled x86; then
2907
9dbd5c3d
MR
2908 case $cpu in
2909 i[345]86|pentium)
2910 cpuflags="-march=$cpu"
2911 disable mmx
2912 ;;
f54b5505 2913 # targets that do NOT support nopl and conditional mov (cmov)
9dbd5c3d
MR
2914 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2915 cpuflags="-march=$cpu"
f54b5505 2916 disable i686
9dbd5c3d 2917 ;;
f54b5505 2918 # targets that do support nopl and conditional mov (cmov)
f2ce813e 2919 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
9dbd5c3d 2920 cpuflags="-march=$cpu"
f54b5505 2921 enable i686
9dbd5c3d
MR
2922 enable fast_cmov
2923 ;;
2924 # targets that do support conditional mov but on which it's slow
2925 pentium4|pentium4m|prescott|nocona)
2926 cpuflags="-march=$cpu"
f54b5505 2927 enable i686
9dbd5c3d
MR
2928 disable fast_cmov
2929 ;;
2930 esac
343aef9b 2931
343aef9b
MR
2932fi
2933
9ebd45c2
MR
2934if [ "$cpu" != generic ]; then
2935 add_cflags $cpuflags
2936 add_asflags $cpuflags
2937fi
df5cdc24 2938
993f2d0f
MR
2939# compiler sanity check
2940check_exec <<EOF
2941int main(void){ return 0; }
2942EOF
2943if test "$?" != 0; then
2944 echo "$cc is unable to create an executable file."
2945 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2946 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2947 echo "Only do this if you know what cross compiling means."
2948 fi
2949 die "C compiler test failed."
2950fi
2951
046f081b 2952add_cppflags -D_ISOC99_SOURCE
e9b9a2f8 2953check_cflags -std=c99
50a334e4 2954check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2955#include <stdlib.h>
2956EOF
50a334e4 2957check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2958#include <stdlib.h>
2959EOF
e9b9a2f8 2960
f0125de9 2961check_host_cflags -std=c99
0a6db2a2 2962check_host_cflags -Wall
f0125de9 2963
d4c99513
MR
2964check_64bit(){
2965 arch32=$1
2966 arch64=$2
2967 expr=$3
2968 check_code cc "" "int test[2*($expr) - 1]" &&
2969 subarch=$arch64 || subarch=$arch32
2970}
2971
b24dbcbd 2972case "$arch" in
d11cb13b 2973 aarch64|alpha|ia64)
2acda282
MR
2974 spic=$shared
2975 ;;
2976 mips)
2977 check_64bit mips mips64 '_MIPS_SIM > 1'
8a3c8627 2978 spic=$shared
b24dbcbd 2979 ;;
a6e9d649
MR
2980 parisc)
2981 check_64bit parisc parisc64 'sizeof(void *) > 4'
2982 spic=$shared
2983 ;;
56203596
MR
2984 ppc)
2985 check_64bit ppc ppc64 'sizeof(void *) > 4'
1944d532 2986 spic=$shared
56203596 2987 ;;
4cd217c0
MR
2988 sparc)
2989 check_64bit sparc sparc64 'sizeof(void *) > 4'
2990 spic=$shared
2991 ;;
e939cedd 2992 x86)
d4c99513 2993 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
de27f4d9 2994 if test "$subarch" = "x86_64"; then
e939cedd 2995 spic=$shared
de27f4d9 2996 fi
b24dbcbd 2997 ;;
b24dbcbd
RP
2998esac
2999
343aef9b 3000enable $subarch
b1803c79 3001enabled spic && enable_weak pic
b24dbcbd 3002
7483e694 3003# OS specific
4f854758 3004case $target_os in
a1629e28 3005 haiku)
63ae7e7c 3006 prefix_default="/boot/common"
108caaaa 3007 network_extralibs="-lnetwork"
f59c4bd6 3008 host_libs=
a1629e28 3009 ;;
7483e694 3010 sunos)
4d58e4cb 3011 AVSERVERLDFLAGS=""
9987769a 3012 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 3013 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 3014 network_extralibs="-lsocket -lnsl"
779222db 3015 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
87a74f47
SM
3016 # When using suncc to build, the Solaris linker will mark
3017 # an executable with each instruction set encountered by
3018 # the Solaris assembler. As our libraries contain their own
3019 # guards for processor-specific code, instead suppress
3020 # generation of the HWCAPS ELF section on Solaris x86 only.
3021 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2a8a860a 3022 nm_default='nm -P -g'
7483e694
DB
3023 ;;
3024 netbsd)
a1e4b3f6 3025 disable symver
07a8eef6
MR
3026 oss_indev_extralibs="-lossaudio"
3027 oss_outdev_extralibs="-lossaudio"
7483e694 3028 ;;
d488c3bc 3029 openbsd|bitrig)
a1e4b3f6 3030 disable symver
7483e694 3031 SHFLAGS='-shared'
69dca3a4 3032 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
d5683aba 3033 SLIB_INSTALL_LINKS=
07a8eef6
MR
3034 oss_indev_extralibs="-lossaudio"
3035 oss_outdev_extralibs="-lossaudio"
7483e694 3036 ;;
a1e4b3f6 3037 dragonfly)
a1e4b3f6
MR
3038 disable symver
3039 ;;
3040 freebsd)
7483e694
DB
3041 ;;
3042 bsd/os)
355d81df 3043 add_extralibs -lpoll -lgnugetopt
7483e694
DB
3044 ;;
3045 darwin)
301ab19d 3046 gas="gas-preprocessor.pl $cc"
e08b8239 3047 enabled ppc && add_asflags -force_cpusubtype_ALL
49e35f49 3048 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
dff68563 3049 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
355d81df 3050 add_ldflags -Wl,-dynamic,-search_paths_first
7483e694
DB
3051 SLIBSUF=".dylib"
3052 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3053 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4d58e4cb 3054 AVSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 3055 objformat="macho"
1b0f6fb8 3056 enabled x86_64 && objformat="macho64"
8dfa86f7 3057 enabled_any pic shared ||
2704bd1a 3058 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
3059 ;;
3060 mingw32*)
9d3f4f50 3061 if test $target_os = "mingw32ce"; then
1aa71e25
MS
3062 disable network
3063 else
3064 target_os=mingw32
3065 fi
dcc01c06 3066 LIBTARGET=i386
1fc9fb8a 3067 if enabled x86_64; then
417516f6 3068 LIBTARGET="i386:x86-64"
336cc1b0 3069 elif enabled arm; then
15c5156d 3070 LIBTARGET=arm-wince
dcc01c06 3071 fi
225a5f91
AS
3072 check_ldflags -Wl,--nxcompat
3073 check_ldflags -Wl,--dynamicbase
fbd971a4 3074 shlibdir_default="$bindir_default"
7483e694
DB
3075 SLIBPREF=""
3076 SLIBSUF=".dll"
7483e694
DB
3077 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3078 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
eb7018d2 3079 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2f138f0b
MR
3080 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3081 SLIB_INSTALL_LINKS=
3082 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3083 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
eb7018d2 3084 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 3085 objformat="win32"
ec10a9ab 3086 dlltool="${cross_prefix}dlltool"
a3222470 3087 ranlib=:
bc574408 3088 enable dos_paths
e08c946c 3089 disable pic
7483e694 3090 ;;
53e8cd68 3091 win32|win64)
d66c52c2
MS
3092 if enabled shared; then
3093 # Link to the import library instead of the normal static library
3094 # for shared libs.
3095 LD_LIB='%.lib'
3096 # Cannot build shared and static libraries at the same time with
3097 # MSVC.
3098 disable static
3099 fi
3100 shlibdir_default="$bindir_default"
3101 SLIBPREF=""
3102 SLIBSUF=".dll"
3103 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3104 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3105 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3106 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3107 SLIB_INSTALL_LINKS=
3108 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3109 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3110 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
53e8cd68
MS
3111 objformat="win32"
3112 ranlib=:
3113 enable dos_paths
e08c946c 3114 disable pic
53e8cd68 3115 ;;
7483e694 3116 cygwin*)
4f854758 3117 target_os=cygwin
fbd971a4 3118 shlibdir_default="$bindir_default"
7483e694
DB
3119 SLIBPREF="cyg"
3120 SLIBSUF=".dll"
3121 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3122 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
f5d2c597
YS
3123 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3124 SLIB_INSTALL_LINKS=
3125 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3126 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
304d586d 3127 objformat="win32"
bc574408 3128 enable dos_paths
05165c2f 3129 disable pic
7483e694 3130 ;;
4f365f37 3131 *-dos|freedos|opendos)
4f365f37 3132 network_extralibs="-lsocket"
ff1c015d 3133 objformat="coff"
bc574408 3134 enable dos_paths
a7a187a1 3135 add_cppflags -U__STRICT_ANSI__
4f365f37 3136 ;;
7483e694 3137 linux)
7483e694
DB
3138 enable dv1394
3139 ;;
3140 irix*)
4f854758 3141 target_os=irix
7483e694
DB
3142 ranlib="echo ignoring ranlib"
3143 ;;
d22e8442 3144 os/2*)
d22e8442 3145 ln_s="cp -f"
9297f1ed 3146 objformat="aout"
e14574eb 3147 add_cppflags -D_GNU_SOURCE
355d81df 3148 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
71c61f62 3149 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4d58e4cb 3150 AVSERVERLDFLAGS=""
287d3b13 3151 LIBSUF="_s.a"
d22e8442
DY
3152 SLIBPREF=""
3153 SLIBSUF=".dll"
3154 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3155 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62 3156 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
f69f51b3
DB
3157 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3158 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3159 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3160 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3161 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
71c61f62 3162 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
f69f51b3 3163 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2f138f0b 3164 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
bc574408 3165 enable dos_paths
d22e8442 3166 ;;
83993c1c 3167 gnu/kfreebsd)
3bd1eacd 3168 add_cppflags -D_BSD_SOURCE
83993c1c 3169 ;;
34e82167 3170 gnu)
34e82167 3171 ;;
d33ed7b3
MR
3172 qnx)
3173 add_cppflags -D_QNX_SOURCE
3174 network_extralibs="-lsocket"
3175 ;;
1c69c79f
MS
3176 symbian)
3177 SLIBSUF=".dll"
3178 enable dos_paths
e3bc07f4
MS
3179 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3180 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3181 add_ldflags -Wl,--target1-abs,--no-undefined \
3182 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3183 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3184 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3185 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3186 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
1c69c79f 3187 ;;
fdd66609
MR
3188 osf1)
3189 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3190 AVSERVERLDFLAGS=
3191 ;;
741a8b72
MR
3192 minix)
3193 ;;
4ebc6a74
MR
3194 plan9)
3195 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3196 -D_REENTRANT_SOURCE \
3197 -D_RESEARCH_SOURCE \
3198 -DFD_SETSIZE=96 \
3199 -DHAVE_SOCK_OPTS
3200 add_compat strtod.o strtod=avpriv_strtod
3201 network_extralibs='-lbsd'
3202 exeobjs=compat/plan9/main.o
3203 disable avserver
4ebc6a74
MR
3204 cp_f='cp'
3205 ;;
614d8911
MR
3206 none)
3207 ;;
7483e694 3208 *)
4f924f9a 3209 die "Unknown OS '$target_os'."
7483e694
DB
3210 ;;
3211esac
3212
b797f3c4
MR
3213# determine libc flavour
3214
197252f1 3215# uclibc defines __GLIBC__, so it needs to be checked before glibc.
b797f3c4
MR
3216if check_cpp_condition features.h "defined __UCLIBC__"; then
3217 libc_type=uclibc
3bd1eacd 3218 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
b797f3c4
MR
3219elif check_cpp_condition features.h "defined __GLIBC__"; then
3220 libc_type=glibc
3bd1eacd 3221 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
29f1fa74
DB
3222# MinGW headers can be installed on Cygwin, so check for newlib first.
3223elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3224 libc_type=newlib
3225 add_cppflags -U__STRICT_ANSI__
b797f3c4
MR
3226elif check_header _mingw.h; then
3227 libc_type=mingw
3228 check_cpp_condition _mingw.h \
3229 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3230 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3231 die "ERROR: MinGW runtime version must be >= 3.15."
759a3a21 3232 add_cppflags -U__STRICT_ANSI__
4fa661a8
RB
3233elif check_func_headers stdlib.h _get_doserrno; then
3234 libc_type=msvcrt
84e65c76
MR
3235 add_compat strtod.o strtod=avpriv_strtod
3236 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3237 _snprintf=avpriv_snprintf \
3238 vsnprintf=avpriv_vsnprintf
0b6899f1
MS
3239 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3240 # 0x601 by default unless something else is set by the user.
3241 # This can easily lead to us detecting functions only present
3242 # in such new versions and producing binaries requiring windows 7.0.
3243 # Therefore explicitly set the default to XP unless the user has
3244 # set something else on the command line.
3245 check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
b797f3c4
MR
3246elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3247 libc_type=klibc
5b2b0b91
MS
3248elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3249 libc_type=bionic
3250 add_compat strtod.o strtod=avpriv_strtod
b797f3c4
MR
3251fi
3252
3253test -n "$libc_type" && enable $libc_type
3254
5ab432fa
MR
3255# hacks for compiler/libc/os combinations
3256
3257if enabled_all tms470 glibc; then
b6f8d635 3258 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5ab432fa
MR
3259 add_cppflags -D__USER_LABEL_PREFIX__=
3260 add_cppflags -D__builtin_memset=memset
3261 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3262 add_cflags -pds=48 # incompatible redefinition of macro
3263fi
3264
457cc333
MR
3265if enabled_all ccc glibc; then
3266 add_ldflags -Wl,-z,now # calls to libots crash without this
3267fi
3268
6555acad
MR
3269esc(){
3270 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3271}
3272
3273echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
db7515fd 3274
b1803c79 3275check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
13cb2187 3276
c9d19248 3277set_default $PATHS_LIST
2a8a860a 3278set_default nm
c9d19248 3279
320d060a 3280# we need to build at least one lib type
93b3c083 3281if ! enabled_any static shared; then
320d060a
DB
3282 cat <<EOF
3283At least one library type must be built.
3284Specify --enable-static to build the static libraries or --enable-shared to
3285build the shared libraries as well. To only build the shared libraries specify
3286--disable-static in addition to --enable-shared.
3287EOF
3288 exit 1;
3289fi
3290
2184c6f7 3291die_license_disabled() {
4c27207c 3292 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
3293}
3294
e417d80d 3295die_license_disabled gpl libcdio
2184c6f7 3296die_license_disabled gpl libx264
de295976 3297die_license_disabled gpl libxavs
2184c6f7 3298die_license_disabled gpl libxvid
2184c6f7
DB
3299die_license_disabled gpl x11grab
3300
2f7ae63b 3301die_license_disabled nonfree libfaac
87246953 3302die_license_disabled nonfree libfdk_aac
a060866f 3303die_license_disabled nonfree openssl
b2e3c528 3304
0b175caa
DB
3305die_license_disabled version3 libopencore_amrnb
3306die_license_disabled version3 libopencore_amrwb
d89e738a 3307die_license_disabled version3 libvo_aacenc
f502ff3f 3308die_license_disabled version3 libvo_amrwbenc
0b175caa 3309
9cad0e4e 3310enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 3311
40617a6d 3312disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 3313
b1803c79
MS
3314enable_weak_pic() {
3315 disabled pic && return
e276d9e8 3316 enable pic
bce7b696
MR
3317 add_cppflags -DPIC
3318 add_cflags -fPIC
3319 add_asflags -fPIC
e276d9e8
MR
3320}
3321
b1803c79 3322enabled pic && enable_weak_pic
bce7b696 3323
b4d96ba2
MR
3324check_cc <<EOF || die "Symbol mangling check