3 # Libav configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev
/null
2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev
/null
26 (: ${foo?}) 2> /dev
/null
29 if test "$E1" != 0 ||
test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt
1; then
34 try_exec bash
"$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt
2; then
38 try_exec ksh
"$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt
3; then
42 try_exec
/usr
/xpg4
/bin
/sh
"$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
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."
57 test -d
/usr
/xpg4
/bin
&& PATH
=/usr
/xpg4
/bin
:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
84 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
85 --libdir=DIR install libs in DIR [PREFIX/lib]
86 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
87 --incdir=DIR install includes in DIR [PREFIX/include]
88 --mandir=DIR install man page in DIR [PREFIX/share/man]
89 --enable-rpath use rpath when linking programs [USE WITH CARE]
92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
98 Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
105 --disable-all disable building components, libraries and programs
108 --disable-programs do not build command line programs
109 --disable-avconv disable avconv build
110 --disable-avplay disable avplay build
111 --disable-avprobe disable avprobe build
112 --disable-avserver deprecated, does nothing
115 --disable-doc do not build documentation
116 --disable-avdevice disable libavdevice build
117 --disable-avcodec disable libavcodec build
118 --disable-avformat disable libavformat build
119 --disable-avutil disable libavutil build
120 --disable-swscale disable libswscale build
121 --disable-avfilter disable video filter support [no]
122 --disable-avresample disable libavresample build [no]
123 --disable-pthreads disable pthreads [auto]
124 --disable-w32threads disable Win32 threads [auto]
125 --disable-network disable network support [no]
126 --disable-dct disable DCT code
127 --disable-error-resilience disable error resilience code
128 --disable-lsp disable LSP code
129 --disable-lzo disable LZO decoder code
130 --disable-mdct disable MDCT code
131 --disable-rdft disable RDFT code
132 --disable-fft disable FFT code
133 --disable-faan disable floating point AAN (I)DCT code
135 Hardware accelerators:
136 --enable-d3d11va enable D3D11VA code
137 --enable-dxva2 enable DXVA2 code
138 --enable-vaapi enable VAAPI code
139 --enable-vda enable VDA code
140 --enable-vdpau enable VDPAU code
142 Individual component options:
143 --disable-everything disable all components listed below
144 --disable-encoder=NAME disable encoder NAME
145 --enable-encoder=NAME enable encoder NAME
146 --disable-encoders disable all encoders
147 --disable-decoder=NAME disable decoder NAME
148 --enable-decoder=NAME enable decoder NAME
149 --disable-decoders disable all decoders
150 --disable-hwaccel=NAME disable hwaccel NAME
151 --enable-hwaccel=NAME enable hwaccel NAME
152 --disable-hwaccels disable all hwaccels
153 --disable-muxer=NAME disable muxer NAME
154 --enable-muxer=NAME enable muxer NAME
155 --disable-muxers disable all muxers
156 --disable-demuxer=NAME disable demuxer NAME
157 --enable-demuxer=NAME enable demuxer NAME
158 --disable-demuxers disable all demuxers
159 --enable-parser=NAME enable parser NAME
160 --disable-parser=NAME disable parser NAME
161 --disable-parsers disable all parsers
162 --enable-bsf=NAME enable bitstream filter NAME
163 --disable-bsf=NAME disable bitstream filter NAME
164 --disable-bsfs disable all bitstream filters
165 --enable-protocol=NAME enable protocol NAME
166 --disable-protocol=NAME disable protocol NAME
167 --disable-protocols disable all protocols
168 --enable-indev=NAME enable input device NAME
169 --disable-indev=NAME disable input device NAME
170 --disable-indevs disable input devices
171 --enable-outdev=NAME enable output device NAME
172 --disable-outdev=NAME disable output device NAME
173 --disable-outdevs disable output devices
174 --disable-devices disable all devices
175 --enable-filter=NAME enable filter NAME
176 --disable-filter=NAME disable filter NAME
177 --disable-filters disable all filters
179 External library support:
180 --enable-avisynth enable reading of AviSynth script files [no]
181 --enable-bzlib enable bzlib [autodetect]
182 --enable-cuda enable dynamically linked CUDA [no]
183 --enable-frei0r enable frei0r video filtering
184 --enable-gnutls enable gnutls [no]
185 --enable-libbs2b enable bs2b DSP library [no]
186 --enable-libcdio enable audio CD grabbing with libcdio
187 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
189 --enable-libdcadec enable DCA decoding via libdcadec [no]
190 --enable-libfaac enable AAC encoding via libfaac [no]
191 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
192 --enable-libfreetype enable libfreetype [no]
193 --enable-libgsm enable GSM de/encoding via libgsm [no]
194 --enable-libilbc enable iLBC de/encoding via libilbc [no]
195 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
196 --enable-libmfx enable HW acceleration through libmfx
197 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
198 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
199 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
200 --enable-libopencv enable video filtering via libopencv [no]
201 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
202 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
203 --enable-libopus enable Opus de/encoding via libopus [no]
204 --enable-libpulse enable Pulseaudio input via libpulse [no]
205 --enable-librtmp enable RTMP[E] support via librtmp [no]
206 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
207 --enable-libsnappy enable Snappy compression [no]
208 --enable-libspeex enable Speex de/encoding via libspeex [no]
209 --enable-libtheora enable Theora encoding via libtheora [no]
210 --enable-libtwolame enable MP2 encoding via libtwolame [no]
211 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
212 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
213 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
214 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
215 --enable-libwavpack enable wavpack encoding via libwavpack [no]
216 --enable-libwebp enable WebP encoding via libwebp [no]
217 --enable-libx264 enable H.264 encoding via x264 [no]
218 --enable-libx265 enable HEVC encoding via x265 [no]
219 --enable-libxavs enable AVS encoding via xavs [no]
220 --enable-libxcb enable X11 grabbing using XCB [no]
221 --enable-libxcb-shm enable X11 grabbing shm communication [auto]
222 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [auto]
223 --enable-libxvid enable Xvid encoding via xvidcore,
224 native MPEG-4/Xvid encoder exists [no]
225 --enable-mmal enable decoding via MMAL [no]
226 --enable-nvenc enable encoding via NVENC [no]
227 --enable-openssl enable openssl [no]
228 --enable-x11grab enable X11 grabbing (legacy) [no]
229 --enable-zlib enable zlib [autodetect]
232 --arch=ARCH select architecture [$arch]
233 --cpu=CPU select the minimum required CPU (affects
234 instruction selection, may crash on older CPUs)
235 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
236 --enable-cross-compile assume a cross-compiler is used
237 --sysroot=PATH root of cross-build tree
238 --sysinclude=PATH location of cross-build system headers
239 --target-os=OS compiler targets OS [$target_os]
240 --target-exec=CMD command to run executables on target
241 --target-path=DIR path to view of build directory on target
242 --target-samples=DIR path to samples directory on target
243 --toolchain=NAME set tool defaults according to NAME
245 --ar=AR use archive tool AR [$ar_default]
246 --as=AS use assembler AS [$as_default]
247 --cc=CC use C compiler CC [$cc_default]
248 --objcc=OCC use ObjC compiler OCC [$cc_default]
249 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
250 --ld=LD use linker LD
251 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
252 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
253 --host-cc=HOSTCC use host C compiler HOSTCC
254 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
255 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
256 --host-ld=HOSTLD use host linker HOSTLD
257 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
258 --host-libs=HLIBS use libs HLIBS when linking for host
259 --host-os=OS compiler host OS [$target_os]
260 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
261 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
262 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
263 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
264 --extra-libs=ELIBS add ELIBS [$ELIBS]
265 --extra-version=STRING version string suffix []
266 --optflags=OPTFLAGS override optimization-related compiler flags
267 --build-suffix=SUFFIX library name suffix []
268 --enable-pic build position-independent code
269 --enable-thumb compile for Thumb instruction set
270 --enable-lto use link-time optimization
271 --env="ENV=override" override the environment variables
273 Advanced options (experts only):
274 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
275 --custom-allocator=NAME use a supported custom allocator
276 --disable-symver disable symbol versioning
277 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
278 --disable-safe-bitstream-reader
279 disable buffer boundary checking in bitreaders
280 (faster, but may crash)
281 --enable-memalign-hack emulate memalign, interferes with memory debuggers
282 --enable-sram allow use of on-chip SRAM
284 Optimization options (experts only):
285 --disable-asm disable all assembly optimizations
286 --disable-altivec disable AltiVec optimizations
287 --disable-vsx disable VSX optimizations
288 --disable-power8 disable POWER8 optimizations
289 --disable-amd3dnow disable 3DNow! optimizations
290 --disable-amd3dnowext disable 3DNow! extended optimizations
291 --disable-mmx disable MMX optimizations
292 --disable-mmxext disable MMXEXT optimizations
293 --disable-sse disable SSE optimizations
294 --disable-sse2 disable SSE2 optimizations
295 --disable-sse3 disable SSE3 optimizations
296 --disable-ssse3 disable SSSE3 optimizations
297 --disable-sse4 disable SSE4 optimizations
298 --disable-sse42 disable SSE4.2 optimizations
299 --disable-avx disable AVX optimizations
300 --disable-xop disable XOP optimizations
301 --disable-fma3 disable FMA3 optimizations
302 --disable-fma4 disable FMA4 optimizations
303 --disable-avx2 disable AVX2 optimizations
304 --disable-armv5te disable armv5te optimizations
305 --disable-armv6 disable armv6 optimizations
306 --disable-armv6t2 disable armv6t2 optimizations
307 --disable-vfp disable VFP optimizations
308 --disable-neon disable NEON optimizations
309 --disable-inline-asm disable use of inline assembly
310 --disable-yasm disable use of nasm/yasm assembly
312 Developer options (useful when working on Libav itself):
313 --disable-debug disable debugging symbols
314 --enable-debug=LEVEL set the debug level [$debuglevel]
315 --disable-optimizations disable compiler optimizations
316 --enable-extra-warnings enable more compiler warnings
317 --samples=PATH location of test samples for FATE, if not set use
318 \$LIBAV_SAMPLES at make invocation time.
319 --enable-neon-clobber-test check NEON registers for clobbering (should be
320 used only for debugging purposes)
321 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
322 should be used only for debugging purposes)
323 --enable-random randomly enable/disable components
325 --enable-random=LIST randomly enable/disable specific components or
326 --disable-random=LIST component groups. LIST is a comma-separated list
327 of NAME[:PROB] entries where NAME is a component
328 (group) and PROB the probability associated with
330 --random-seed=VALUE seed value for --enable/disable-random
331 --disable-valgrind-backtrace do not print a backtrace under Valgrind
332 (only applies to --disable-optimizations builds)
334 NOTE: Object files are built at the place where configure is launched.
342 echo "$@" >> $logfile
349 printf '%5s %s\n' "${i}" "${line}"
351 done < $1 >> $logfile
362 WARNINGS
="${WARNINGS}WARNING: $*\n"
369 If you think configure made a mistake, make sure you are using the latest
370 version from Git. If the latest version fails, report the problem to the
371 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
373 if disabled logging
; then
375 Rerun configure with logging enabled (do not use --disable-logging), and
376 include the log this produces with your report.
380 Include the log file "$logfile" produced by configure as this will help
387 # Avoid locale weirdness, besides we really just want to translate ASCII.
389 echo "$@" |
tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
393 echo "$@" |
tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
397 echo "$*" |
sed 's/["\\]/\\\0/g'
401 v
=$
(echo "$1" |
sed "s/'/'\\\\''/g")
402 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v
="'$v'"
407 echo "$@" |
sed 's/^ *//;s/ */ /g;s/ *$//'
414 eval "case $v in $pat) echo $v ;; esac"
422 eval "case $v in $pat) ;; *) echo $v ;; esac"
429 for v
; do eval $m; done
435 for v
; do echo ${v}${suffix}; done
450 eval : \
${$var:=$value}
455 echo $@ |
sed 's/[^A-Za-z0-9_]/_/g'
461 eval $
(sanitize_var_name
"$var")='$*'
465 eval echo \$$
(sanitize_var_name
"$1")
470 eval level
=\
${${pvar}_level
:=0}
471 eval ${pvar}_
${level}="\$$pvar"
472 eval ${pvar}_level
=$
(($level+1))
478 eval level
=\
${${pvar}_level
:-0}
479 test $level = 0 && continue
480 eval level
=$
(($level-1))
481 eval $pvar="\${${pvar}_${level}}"
482 eval ${pvar}_level
=$level
483 eval unset ${pvar}_
${level}
505 enable $
(echo "$var" |
sed 's/[^A-Za-z0-9_]/_/g')
511 disable $
(echo "$var" |
sed 's/[^A-Za-z0-9_]/_/g')
517 enabled
$var && continue
518 eval sel
="\$${var}_select"
519 eval sgs
="\$${var}_suggest"
523 enable_deep_weak
$sgs
535 disabled
$var && continue
544 test "${1#!}" = "$1" && op
== || op
=!=
545 eval test "x\$${1#!}" $op "xyes"
549 test "${1#!}" = "$1" && op
== || op
=!=
550 eval test "x\$${1#!}" $op "xno"
555 enabled
$opt ||
return 1
561 disabled
$opt ||
return 1
567 enabled
$opt && return 0
573 disabled
$opt && return 0
580 eval : \
${$opt:=\$${opt}_default
}
588 [ $var = $value ] && return 0
596 enabled
${cfg}_checking
&& die
"Circular dependency for $cfg."
597 disabled
${cfg}_checking
&& continue
598 enable ${cfg}_checking
601 eval dep_all
="\$${cfg}_deps"
602 eval dep_any
="\$${cfg}_deps_any"
603 eval dep_sel
="\$${cfg}_select"
604 eval dep_sgs
="\$${cfg}_suggest"
605 eval dep_ifa
="\$${cfg}_if"
606 eval dep_ifn
="\$${cfg}_if_any"
608 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
609 do_check_deps
$dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
610 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
612 [ -n
"$dep_ifa" ] && { enabled_all
$dep_ifa && enable_weak
$cfg; }
613 [ -n
"$dep_ifn" ] && { enabled_any
$dep_ifn && enable_weak
$cfg; }
614 enabled_all
$dep_all || disable
$cfg
615 enabled_any
$dep_any || disable
$cfg
616 disabled_any
$dep_sel && disable
$cfg
618 if enabled
$cfg; then
620 enable_deep_weak
$dep_sgs
623 disable
${cfg}_checking
632 for cfg
in $allopts; do
633 enabled
$cfg ||
continue
634 eval dep_extralibs
="\$${cfg}_extralibs"
635 test -n
"$dep_extralibs" && add_extralibs
$dep_extralibs
643 map
'eval echo "$v \${$v:-no}"' "$@" |
644 awk "BEGIN { split(\"$files\", files) }
646 c = \"$pfx\" toupper(\$1);
652 if (file ~ /\\.h\$/) {
653 printf(\"#define %s %d\\n\", c, v) >>file;
654 } else if (file ~ /\\.asm\$/) {
655 printf(\"%%define %s %d\\n\", c, v) >>file;
656 } else if (file ~ /\\.mak\$/) {
657 n = -v ? \"\" : \"!\";
658 printf(\"%s%s=yes\\n\", n, c) >>file;
668 enabled
$v && printf "%s\n" ${v%$suf};
675 eval "$var=\"\$$var $*\""
681 eval "$var=\"$* \$$var\""
687 for tok
in $
(eval echo \$
$var); do
688 uniq_list
="$(filter_out $tok $uniq_list) $tok"
690 eval "$var=\"${uniq_list}\""
698 append CFLAGS $
($cflags_filter "$@")
702 append ASFLAGS $
($asflags_filter "$@")
706 append OBJCFLAGS $
($objcflags_filter "$@")
710 append LDFLAGS $
($ldflags_filter "$@")
714 append LDEXEFLAGS $
($ldflags_filter "$@")
718 append STRIPFLAGS
"$@"
722 prepend extralibs $
($ldflags_filter "$@")
726 append host_cppflags
"$@"
730 append host_cflags $
($host_cflags_filter "$@")
734 append host_ldflags $
($host_ldflags_filter "$@")
738 append compat_objs
$1
740 map
'add_cppflags -D$v' "$@"
745 "$@" >> $logfile 2>&1
749 eval printf '%s\\n' $CC_O
753 eval printf '%s\\n' $CC_E
760 check_cmd
$cc $CPPFLAGS $CFLAGS "$@" $CC_C $
(cc_o
$TMPO) $TMPC
767 check_cmd
$objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $
(cc_o
$TMPO) $TMPC
774 check_cmd
$cc $CPPFLAGS $CFLAGS "$@" $
(cc_e
$TMPO) $TMPC
778 eval printf '%s\\n' $AS_O
785 check_cmd
$as $CPPFLAGS $ASFLAGS "$@" $AS_C $
(as_o
$TMPO) $TMPS
789 log check_inline_asm
"$@"
794 check_cc
"$@" <<EOF && enable $name
795 void foo(void){ __asm__ volatile($code); }
801 check_inline_asm
${1}_inline
"\"$2\""
802 echo "$2" | check_as
&& enable ${1}_external || disable
${1}_external
810 check_cmd
$yasmexe $YASMFLAGS "$@" -o
$TMPO $TMPS
814 eval printf '%s\\n' $LD_O
819 flags
=$
(filter_out
'-l*' "$@")
820 libs
=$
(filter
'-l*' "$@")
821 check_cc $
($cflags_filter $flags) ||
return
822 flags
=$
($ldflags_filter $flags)
823 libs
=$
($ldflags_filter $libs)
824 check_cmd
$ld $LDFLAGS $flags $
(ld_o
$TMPE) $TMPO $libs $extralibs
829 test "${hdr%.h}" = "${hdr}" &&
830 echo "#include $hdr" ||
831 echo "#include <$hdr>"
841 for hdr
in $headers; do
844 echo "int main(void) { $code; return 0; }"
845 } | check_
$check "$@"
849 log check_cppflags
"$@"
850 check_cc
"$@" <<EOF && append CPPFLAGS "$@"
857 set -- $
($cflags_filter "$@")
864 log check_cflags
"$@"
865 test_cflags
"$@" && add_cflags
"$@"
870 set -- $
($cflags_filter "$@")
871 check_objcc
"$@" <<EOF
877 log check_cflags
"$@"
878 test_objcflags
"$@" && add_objcflags
"$@"
882 log test_ldflags
"$@"
884 int main(void){ return 0; }
889 log check_ldflags
"$@"
890 test_ldflags
"$@" && add_ldflags
"$@"
894 log test_stripflags
"$@"
895 # call check_cc to get a fresh TMPO
897 int main(void) { return 0; }
899 check_cmd
$strip $STRIPFLAGS "$@" $TMPO
903 log check_stripflags
"$@"
904 test_stripflags
"$@" && add_stripflags
"$@"
908 log check_header
"$@"
912 check_cpp
"$@" <<EOF && enable_safe $header
923 check_ld
"$@" <<EOF && enable $func
925 int main(void){ $func(); }
930 log check_mathfunc
"$@"
934 test $narg = 2 && args
="f, g" || args
="f"
936 check_ld
"$@" <<EOF && enable $func
938 float foo(float f, float g) { return $func($args); }
939 int main(void){ return 0; }
943 check_func_headers
(){
944 log check_func_headers
"$@"
949 for hdr
in $headers; do
952 for func
in $funcs; do
953 echo "long check_$func(void) { return (long) $func; }"
955 echo "int main(void) { return 0; }"
956 } | check_ld
"$@" && enable $funcs && enable_safe
$headers
959 check_cpp_condition
(){
960 log check_cpp_condition
"$@"
967 #error "unsatisfied condition: $condition"
977 check_header
$header && check_func
$func "$@" && add_extralibs
"$@"
985 check_func_headers
"$headers" "$funcs" "$@" && add_extralibs
"$@"
989 log check_pkg_config
"$@"
994 check_cmd
$pkg_config --exists
--print-errors
$pkg ||
return
995 pkg_cflags
=$
($pkg_config --cflags
$pkg_config_flags $pkg)
996 pkg_libs
=$
($pkg_config --libs
$pkg_config_flags $pkg)
997 check_func_headers
"$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
998 set_safe
"${pkg}_cflags" $pkg_cflags &&
999 set_safe
"${pkg}_libs" $pkg_libs
1003 check_ld
"$@" && { enabled cross_compile ||
$TMPE >> $logfile 2>&1; }
1009 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1010 # are safe but may not be available everywhere. Thus we use
1011 # raise(SIGTERM) instead. The check is run in a subshell so we
1012 # can redirect the "Terminated" message from the shell. SIGBUS
1013 # is not defined by standard C so it is used conditionally.
1015 (check_exec
"$@") >> $logfile 2>&1 <<EOF
1017 static void sighandler(int sig){
1023 int (*func_ptr)(void) = foo;
1025 signal(SIGILL, sighandler);
1026 signal(SIGFPE, sighandler);
1027 signal(SIGSEGV, sighandler);
1029 signal(SIGBUS, sighandler);
1041 disable_safe
"$type"
1042 check_code cc
"$headers" "$type v" "$@" && enable_safe
"$type"
1046 log check_struct
"$@"
1051 disable_safe
"${struct}_${member}"
1052 check_code cc
"$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1053 enable_safe
"${struct}_${member}"
1057 log check_builtin
"$@"
1063 check_code ld
"$headers" "$builtin" "$@" && enable "$name"
1066 check_compile_assert
(){
1067 log check_compile_assert
"$@"
1073 check_code cc
"$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1081 check_lib
$header $func "$@" || die
"ERROR: $name not found"
1089 check_lib2
"$headers" $func "$@" || die
"ERROR: $name not found"
1092 require_pkg_config
(){
1094 check_pkg_config
"$@" || die
"ERROR: $pkg not found"
1095 add_cflags $
(get_safe
"${pkg}_cflags")
1096 add_extralibs $
(get_safe
"${pkg}_libs")
1100 eval printf '%s\\n' $HOSTCC_E
1104 eval printf '%s\\n' $HOSTCC_O
1108 log check_host_cc
"$@"
1111 check_cmd
$host_cc $host_cflags "$@" $HOSTCC_C $
(hostcc_o
$TMPO) $TMPC
1115 log check_host_cpp
"$@"
1118 check_cmd
$host_cc $host_cppflags $host_cflags "$@" $
(hostcc_e
$TMPO) $TMPC
1121 check_host_cppflags
(){
1122 log check_host_cppflags
"$@"
1123 check_host_cc
"$@" <<EOF && append host_cppflags "$@"
1128 check_host_cflags
(){
1129 log check_host_cflags
"$@"
1130 set -- $
($host_cflags_filter "$@")
1131 check_host_cc
"$@" <<EOF && append host_cflags "$@"
1136 check_host_cpp_condition
(){
1137 log check_host_cpp_condition
"$@"
1141 check_host_cpp
"$@" <<EOF
1144 #error "unsatisfied condition: $condition"
1152 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" ||
rm "$file.tmp"
1156 cmp -s
"$1" "$2" && echo "$2 is unchanged" && return
1157 mkdir
-p
"$(dirname $2)"
1161 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1162 # system-dependent things.
1164 AVCODEC_COMPONENTS
="
1172 AVDEVICE_COMPONENTS
="
1176 AVFILTER_COMPONENTS
="
1179 AVFORMAT_COMPONENTS
="
1185 AVRESAMPLE_COMPONENTS
=""
1186 AVUTIL_COMPONENTS
=""
1190 $AVDEVICE_COMPONENTS
1191 $AVFILTER_COMPONENTS
1192 $AVFORMAT_COMPONENTS
1193 $AVRESAMPLE_COMPONENTS
1199 filter_audio_example
1203 transcode_aac_example
1206 EXTERNAL_LIBRARY_LIST
="
1262 safe_bitstream_reader
1316 $EXTERNAL_LIBRARY_LIST
1381 ARCH_EXT_LIST_X86_SIMD
="
1409 $ARCH_EXT_LIST_X86_SIMD
1414 ARCH_EXT_LIST_MIPS
="
1448 sync_val_compare_and_swap
1462 AVFoundation_AVFoundation_h
1467 cdio_paranoia_paranoia_h
1468 dev_bktr_ioctl_bt848_h
1469 dev_bktr_ioctl_meteor_h
1471 dev_video_bktr_ioctl_bt848_h
1472 dev_video_meteor_ioctl_meteor_h
1480 machine_ioctl_bt848_h
1481 machine_ioctl_meteor_h
1545 GetProcessAffinityMask
1546 GetProcessMemoryInfo
1549 GetSystemTimeAsFileTime
1554 jack_port_get_latency_range
1566 SetConsoleTextAttribute
1577 TOOLCHAIN_FEATURES
="
1598 CONDITION_VARIABLE_Ptr
1601 struct_group_source_req
1602 struct_ip_mreq_source
1605 struct_rusage_ru_maxrss
1607 struct_sockaddr_sa_len
1608 struct_sockaddr_storage
1609 struct_v4l2_frmivalenum_discrete
1614 $(add_suffix _external $ARCH_EXT_LIST)
1615 $(add_suffix _inline $ARCH_EXT_LIST)
1642 # options emitted with CONFIG_ prefix but not available on the command line
1785 # code dependency declarations
1787 # architecture extensions
1792 armv8_deps
="aarch64"
1793 neon_deps_any
="aarch64 arm"
1794 intrinsics_neon_deps
="neon"
1795 vfp_deps_any
="aarch64 arm"
1798 map
'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1806 x86_64_select
="i686"
1807 x86_64_suggest
="fast_cmov"
1810 amd3dnowext_deps
="amd3dnow"
1826 mmx_external_deps
="yasm"
1827 mmx_inline_deps
="inline_asm"
1828 mmx_suggest
="mmx_external mmx_inline"
1830 for ext
in $
(filter_out mmx
$ARCH_EXT_LIST_X86_SIMD); do
1831 eval dep
=\$
${ext}_deps
1832 eval ${ext}_external_deps
='"${dep}_external"'
1833 eval ${ext}_inline_deps
='"${dep}_inline"'
1834 eval ${ext}_suggest
='"${ext}_external ${ext}_inline"'
1837 aligned_stack_if_any
="aarch64 ppc x86"
1838 fast_64bit_if_any
="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1839 fast_clz_if_any
="aarch64 alpha avr32 mips ppc x86"
1840 fast_unaligned_if_any
="aarch64 ppc x86"
1841 simd_align_16_if_any
="altivec neon sse"
1843 # system capabilities
1844 symver_if_any
="symver_asm_label symver_gnu_asm"
1845 valgrind_backtrace_deps
="!optimizations valgrind_valgrind_h"
1848 atomics_gcc_if
="sync_val_compare_and_swap"
1849 atomics_suncc_if
="atomic_cas_ptr machine_rw_barrier"
1850 atomics_win32_if
="MemoryBarrier"
1851 atomics_native_if_any
="$ATOMICS_LIST"
1852 w32threads_deps
="atomics_native"
1853 threads_if_any
="$THREADS_LIST"
1857 dirac_parse_select
="golomb"
1858 error_resilience_select
="me_cmp"
1859 faandct_deps
="faan fdctdsp"
1860 faanidct_deps
="faan idctdsp"
1861 h264dsp_select
="startcode"
1862 intrax8_select
="error_resilience"
1865 me_cmp_select
="fdctdsp idctdsp pixblockdsp"
1866 mpeg_er_select
="error_resilience"
1867 mpegaudio_select
="mpegaudiodsp"
1868 mpegaudiodsp_select
="dct"
1869 mpegvideo_select
="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1870 mpegvideoenc_select
="me_cmp mpegvideo pixblockdsp qpeldsp"
1871 nvenc_deps_any
="dlopen LoadLibrary"
1872 nvenc_extralibs
='$ldl'
1876 # decoders / encoders
1877 aac_decoder_select
="imdct15 mdct sinewin"
1878 aac_encoder_select
="audio_frame_queue iirfilter mdct sinewin"
1879 aac_latm_decoder_select
="aac_decoder aac_latm_parser"
1880 ac3_decoder_select
="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1881 ac3_encoder_select
="ac3dsp audiodsp mdct me_cmp"
1882 ac3_fixed_encoder_select
="ac3dsp audiodsp mdct me_cmp"
1883 adpcm_g722_decoder_select
="g722dsp"
1884 adpcm_g722_encoder_select
="g722dsp"
1885 aic_decoder_select
="golomb idctdsp"
1886 alac_encoder_select
="lpc"
1887 als_decoder_select
="bswapdsp"
1888 amrnb_decoder_select
="lsp"
1889 amrwb_decoder_select
="lsp"
1890 amv_decoder_select
="sp5x_decoder"
1891 ape_decoder_select
="bswapdsp"
1892 asv1_decoder_select
="blockdsp bswapdsp idctdsp"
1893 asv1_encoder_select
="bswapdsp fdctdsp pixblockdsp"
1894 asv2_decoder_select
="blockdsp bswapdsp idctdsp"
1895 asv2_encoder_select
="bswapdsp fdctdsp pixblockdsp"
1896 atrac1_decoder_select
="mdct sinewin"
1897 atrac3_decoder_select
="mdct"
1898 atrac3p_decoder_select
="mdct sinewin"
1899 bink_decoder_select
="blockdsp hpeldsp"
1900 binkaudio_dct_decoder_select
="mdct rdft dct sinewin wma_freqs"
1901 binkaudio_rdft_decoder_select
="mdct rdft sinewin wma_freqs"
1902 cavs_decoder_select
="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1903 cllc_decoder_select
="bswapdsp"
1904 comfortnoise_encoder_select
="lpc"
1905 cook_decoder_select
="audiodsp mdct sinewin"
1906 cscd_decoder_select
="lzo"
1907 cscd_decoder_suggest
="zlib"
1908 dca_decoder_select
="fmtconvert mdct"
1909 dds_decoder_select
="texturedsp"
1910 dnxhd_decoder_select
="blockdsp idctdsp"
1911 dnxhd_encoder_select
="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1912 dvvideo_decoder_select
="dvprofile idctdsp"
1913 dvvideo_encoder_select
="dvprofile fdctdsp me_cmp pixblockdsp"
1914 dxa_decoder_deps
="zlib"
1915 dxv_decoder_select
="lzf texturedsp"
1916 eac3_decoder_select
="ac3_decoder"
1917 eac3_encoder_select
="ac3_encoder"
1918 eamad_decoder_select
="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1919 eatgq_decoder_select
="aandcttables idctdsp"
1920 eatqi_decoder_select
="aandcttables blockdsp bswapdsp idctdsp"
1921 exr_decoder_deps
="zlib"
1922 ffv1_decoder_select
="golomb rangecoder"
1923 ffv1_encoder_select
="rangecoder"
1924 ffvhuff_decoder_select
="huffyuv_decoder"
1925 ffvhuff_encoder_select
="huffyuv_encoder"
1926 fic_decoder_select
="golomb"
1927 flac_decoder_select
="flacdsp golomb"
1928 flac_encoder_select
="bswapdsp flacdsp golomb lpc"
1929 flashsv_decoder_deps
="zlib"
1930 flashsv_encoder_deps
="zlib"
1931 flashsv2_decoder_deps
="zlib"
1932 flv_decoder_select
="h263_decoder"
1933 flv_encoder_select
="h263_encoder"
1934 fourxm_decoder_select
="blockdsp bswapdsp"
1935 fraps_decoder_select
="bswapdsp huffman"
1936 g2m_decoder_deps
="zlib"
1937 g2m_decoder_select
="blockdsp idctdsp jpegtables"
1938 h261_decoder_select
="mpeg_er mpegvideo"
1939 h261_encoder_select
="aandcttables mpegvideoenc"
1940 h263_decoder_select
="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1941 h263_encoder_select
="aandcttables h263dsp mpegvideoenc"
1942 h263i_decoder_select
="h263_decoder"
1943 h263p_encoder_select
="h263_encoder"
1944 h264_decoder_select
="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
1945 h264_decoder_suggest
="error_resilience"
1946 h264_nvenc_encoder_deps
="nvenc"
1947 h264_qsv_decoder_deps
="libmfx"
1948 h264_qsv_decoder_select
="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1949 h264_qsv_encoder_deps
="libmfx"
1950 h264_qsv_encoder_select
="qsvenc"
1951 hap_decoder_select
="snappy texturedsp"
1952 hap_encoder_deps
="libsnappy"
1953 hap_encoder_select
="texturedspenc"
1954 hevc_decoder_select
="bswapdsp cabac golomb videodsp"
1955 hevc_nvenc_encoder_deps
="nvenc"
1956 hevc_qsv_encoder_deps
="libmfx"
1957 hevc_qsv_decoder_deps
="libmfx"
1958 hevc_qsv_decoder_select
="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
1959 hevc_qsv_encoder_select
="qsvenc"
1960 huffyuv_decoder_select
="bswapdsp huffyuvdsp"
1961 huffyuv_encoder_select
="bswapdsp huffman huffyuvencdsp"
1962 iac_decoder_select
="imc_decoder"
1963 imc_decoder_select
="bswapdsp fft mdct sinewin"
1964 indeo3_decoder_select
="hpeldsp"
1965 indeo4_decoder_select
="ividsp"
1966 indeo5_decoder_select
="ividsp"
1967 interplay_video_decoder_select
="hpeldsp"
1968 jpegls_decoder_select
="golomb mjpeg_decoder"
1969 jpegls_encoder_select
="golomb"
1970 jv_decoder_select
="blockdsp"
1971 lagarith_decoder_select
="huffyuvdsp"
1972 ljpeg_encoder_select
="aandcttables idctdsp jpegtables"
1973 loco_decoder_select
="golomb"
1974 mdec_decoder_select
="blockdsp idctdsp mpegvideo"
1975 metasound_decoder_select
="lsp mdct sinewin"
1976 mimic_decoder_select
="blockdsp bswapdsp hpeldsp idctdsp"
1977 mjpeg_decoder_select
="blockdsp hpeldsp idctdsp jpegtables"
1978 mjpeg_encoder_select
="aandcttables jpegtables mpegvideoenc"
1979 mjpegb_decoder_select
="mjpeg_decoder"
1980 mlp_decoder_select
="mlp_parser"
1981 motionpixels_decoder_select
="bswapdsp"
1982 mp1_decoder_select
="mpegaudio"
1983 mp1float_decoder_select
="mpegaudio"
1984 mp2_decoder_select
="mpegaudio"
1985 mp2float_decoder_select
="mpegaudio"
1986 mp3_decoder_select
="mpegaudio"
1987 mp3adu_decoder_select
="mpegaudio"
1988 mp3adufloat_decoder_select
="mpegaudio"
1989 mp3float_decoder_select
="mpegaudio"
1990 mp3on4_decoder_select
="mpegaudio"
1991 mp3on4float_decoder_select
="mpegaudio"
1992 mpc7_decoder_select
="bswapdsp mpegaudiodsp"
1993 mpc8_decoder_select
="mpegaudiodsp"
1994 mpeg_xvmc_decoder_deps
="X11_extensions_XvMClib_h"
1995 mpeg_xvmc_decoder_select
="mpeg2video_decoder"
1996 mpeg1video_decoder_select
="error_resilience mpeg_er mpegvideo"
1997 mpeg1video_encoder_select
="aandcttables mpegvideoenc"
1998 mpeg2video_decoder_select
="error_resilience mpeg_er mpegvideo"
1999 mpeg2video_encoder_select
="aandcttables mpegvideoenc"
2000 mpeg2_qsv_decoder_deps
="libmfx"
2001 mpeg2_qsv_decoder_select
="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2002 mpeg2_qsv_encoder_deps
="libmfx"
2003 mpeg2_qsv_encoder_select
="qsvenc"
2004 mpeg4_decoder_select
="h263_decoder mpeg4video_parser"
2005 mpeg4_encoder_select
="h263_encoder"
2006 msa1_decoder_select
="mss34dsp"
2007 msmpeg4v1_decoder_select
="h263_decoder"
2008 msmpeg4v2_decoder_select
="h263_decoder"
2009 msmpeg4v2_encoder_select
="h263_encoder"
2010 msmpeg4v3_decoder_select
="h263_decoder"
2011 msmpeg4v3_encoder_select
="h263_encoder"
2012 mss2_decoder_select
="error_resilience mpeg_er mpegvideo vc1_decoder"
2013 mts2_decoder_select
="mss34dsp"
2014 mxpeg_decoder_select
="mjpeg_decoder"
2015 nellymoser_decoder_select
="mdct sinewin"
2016 nellymoser_encoder_select
="audio_frame_queue mdct sinewin"
2017 nuv_decoder_select
="idctdsp lzo"
2018 nvenc_h264_encoder_deps
="nvenc"
2019 nvenc_hevc_encoder_deps
="nvenc"
2020 on2avc_decoder_select
="mdct"
2021 opus_decoder_deps
="avresample"
2022 opus_decoder_select
="imdct15"
2023 png_decoder_deps
="zlib"
2024 png_encoder_deps
="zlib"
2025 png_encoder_select
="huffyuvencdsp"
2026 prores_decoder_select
="idctdsp"
2027 prores_encoder_select
="fdctdsp"
2028 qcelp_decoder_select
="lsp"
2029 qdm2_decoder_select
="mdct rdft mpegaudiodsp"
2030 ra_144_encoder_select
="audio_frame_queue lpc"
2031 ralf_decoder_select
="golomb"
2032 rscc_decoder_deps
="zlib"
2033 rv10_decoder_select
="error_resilience h263_decoder h263dsp mpeg_er"
2034 rv10_encoder_select
="h263_encoder"
2035 rv20_decoder_select
="error_resilience h263_decoder h263dsp mpeg_er"
2036 rv20_encoder_select
="h263_encoder"
2037 rv30_decoder_select
="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2038 rv40_decoder_select
="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2039 screenpresso_decoder_deps
="zlib"
2040 shorten_decoder_select
="golomb"
2041 sipr_decoder_select
="lsp"
2042 sp5x_decoder_select
="mjpeg_decoder"
2043 svq1_decoder_select
="hpeldsp"
2044 svq1_encoder_select
="aandcttables hpeldsp me_cmp mpegvideoenc"
2045 svq3_decoder_select
="h264_decoder hpeldsp tpeldsp"
2046 svq3_decoder_suggest
="zlib"
2047 tak_decoder_select
="audiodsp"
2048 tdsc_decoder_deps
="zlib"
2049 tdsc_decoder_select
="mjpeg_decoder"
2050 theora_decoder_select
="vp3_decoder"
2051 thp_decoder_select
="mjpeg_decoder"
2052 tiff_decoder_suggest
="zlib"
2053 tiff_encoder_suggest
="zlib"
2054 truehd_decoder_select
="mlp_decoder"
2055 truemotion2_decoder_select
="bswapdsp"
2056 truespeech_decoder_select
="bswapdsp"
2057 tscc_decoder_deps
="zlib"
2058 txd_decoder_select
="texturedsp"
2059 twinvq_decoder_select
="mdct lsp sinewin"
2060 utvideo_decoder_select
="bswapdsp"
2061 utvideo_encoder_select
="bswapdsp huffman huffyuvencdsp"
2062 vble_decoder_select
="huffyuvdsp"
2063 vc1_decoder_select
="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er mpegvideo qpeldsp startcode"
2064 vc1image_decoder_select
="vc1_decoder"
2065 vorbis_decoder_select
="mdct"
2066 vorbis_encoder_select
="mdct"
2067 vp3_decoder_select
="hpeldsp vp3dsp videodsp"
2068 vp5_decoder_select
="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2069 vp6_decoder_select
="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2070 vp6a_decoder_select
="vp6_decoder"
2071 vp6f_decoder_select
="vp6_decoder"
2072 vp7_decoder_select
="h264pred videodsp vp8dsp"
2073 vp8_decoder_select
="h264pred videodsp vp8dsp"
2074 vp9_decoder_select
="videodsp"
2075 webp_decoder_select
="vp8_decoder"
2076 wmapro_decoder_select
="mdct sinewin wma_freqs"
2077 wmav1_decoder_select
="mdct sinewin wma_freqs"
2078 wmav1_encoder_select
="mdct sinewin wma_freqs"
2079 wmav2_decoder_select
="mdct sinewin wma_freqs"
2080 wmav2_encoder_select
="mdct sinewin wma_freqs"
2081 wmavoice_decoder_select
="lsp rdft dct mdct sinewin"
2082 wmv1_decoder_select
="h263_decoder"
2083 wmv1_encoder_select
="h263_encoder"
2084 wmv2_decoder_select
="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2085 wmv2_encoder_select
="h263_encoder wmv2dsp"
2086 wmv3_decoder_select
="vc1_decoder"
2087 wmv3image_decoder_select
="wmv3_decoder"
2088 zerocodec_decoder_deps
="zlib"
2089 zlib_decoder_deps
="zlib"
2090 zlib_encoder_deps
="zlib"
2091 zmbv_decoder_deps
="zlib"
2092 zmbv_encoder_deps
="zlib"
2094 # hardware accelerators
2095 d3d11va_deps
="d3d11_h dxva_h ID3D11VideoDecoder"
2096 dxva2_deps
="dxva2api_h DXVA2_ConfigPictureDecode"
2097 vaapi_deps
="va_va_h"
2098 vda_deps
="VideoDecodeAcceleration_VDADecoder_h pthreads"
2099 vda_extralibs
="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2100 vdpau_deps
="vdpau_vdpau_h vdpau_vdpau_x11_h"
2102 h263_vaapi_hwaccel_deps
="vaapi"
2103 h263_vaapi_hwaccel_select
="h263_decoder"
2104 h264_d3d11va_hwaccel_deps
="d3d11va"
2105 h264_d3d11va_hwaccel_select
="h264_decoder"
2106 h264_dxva2_hwaccel_deps
="dxva2"
2107 h264_dxva2_hwaccel_select
="h264_decoder"
2108 h264_mmal_decoder_deps
="mmal"
2109 h264_mmal_hwaccel_deps
="mmal"
2110 h264_mmal_decoder_select
="h264_decoder"
2111 h264_mmal_encoder_deps
="mmal"
2112 h264_qsv_hwaccel_deps
="libmfx"
2113 h264_vaapi_hwaccel_deps
="vaapi"
2114 h264_vaapi_hwaccel_select
="h264_decoder"
2115 h264_vda_hwaccel_deps
="vda"
2116 h264_vda_hwaccel_select
="h264_decoder"
2117 h264_vda_old_hwaccel_deps
="vda"
2118 h264_vda_old_hwaccel_select
="h264_decoder"
2119 h264_vdpau_hwaccel_deps
="vdpau"
2120 h264_vdpau_hwaccel_select
="h264_decoder"
2121 hevc_d3d11va_hwaccel_deps
="d3d11va DXVA_PicParams_HEVC"
2122 hevc_d3d11va_hwaccel_select
="hevc_decoder"
2123 hevc_dxva2_hwaccel_deps
="dxva2 DXVA_PicParams_HEVC"
2124 hevc_dxva2_hwaccel_select
="hevc_decoder"
2125 hevc_qsv_hwaccel_deps
="libmfx"
2126 hevc_vdpau_hwaccel_deps
="vdpau VdpPictureInfoHEVC"
2127 hevc_vdpau_hwaccel_select
="hevc_decoder"
2128 mpeg1_vdpau_hwaccel_deps
="vdpau"
2129 mpeg1_vdpau_hwaccel_select
="mpeg1video_decoder"
2130 mpeg2_d3d11va_hwaccel_deps
="d3d11va"
2131 mpeg2_d3d11va_hwaccel_select
="mpeg2video_decoder"
2132 mpeg2_dxva2_hwaccel_deps
="dxva2"
2133 mpeg2_dxva2_hwaccel_select
="mpeg2video_decoder"
2134 mpeg2_qsv_hwaccel_deps
="libmfx"
2135 mpeg2_vaapi_hwaccel_deps
="vaapi"
2136 mpeg2_vaapi_hwaccel_select
="mpeg2video_decoder"
2137 mpeg2_vdpau_hwaccel_deps
="vdpau"
2138 mpeg2_vdpau_hwaccel_select
="mpeg2video_decoder"
2139 mpeg4_vaapi_hwaccel_deps
="vaapi"
2140 mpeg4_vaapi_hwaccel_select
="mpeg4_decoder"
2141 mpeg4_vdpau_hwaccel_deps
="vdpau"
2142 mpeg4_vdpau_hwaccel_select
="mpeg4_decoder"
2143 vc1_d3d11va_hwaccel_deps
="d3d11va"
2144 vc1_d3d11va_hwaccel_select
="vc1_decoder"
2145 vc1_dxva2_hwaccel_deps
="dxva2"
2146 vc1_dxva2_hwaccel_select
="vc1_decoder"
2147 vc1_vaapi_hwaccel_deps
="vaapi"
2148 vc1_vaapi_hwaccel_select
="vc1_decoder"
2149 vc1_vdpau_hwaccel_deps
="vdpau"
2150 vc1_vdpau_hwaccel_select
="vc1_decoder"
2151 wmv3_d3d11va_hwaccel_select
="vc1_d3d11va_hwaccel"
2152 wmv3_dxva2_hwaccel_select
="vc1_dxva2_hwaccel"
2153 wmv3_vaapi_hwaccel_select
="vc1_vaapi_hwaccel"
2154 wmv3_vdpau_hwaccel_select
="vc1_vdpau_hwaccel"
2157 h264_parser_select
="h264_decoder"
2158 hevc_parser_select
="golomb"
2159 mpegvideo_parser_select
="mpegvideo"
2160 mpeg4video_parser_select
="error_resilience h263dsp mpegvideo qpeldsp"
2161 vc1_parser_select
="mpegvideo startcode vc1_decoder"
2164 mjpeg2jpeg_bsf_select
="jpegtables"
2166 # external libraries
2167 libdcadec_decoder_deps
="libdcadec"
2168 libfaac_encoder_deps
="libfaac"
2169 libfaac_encoder_select
="audio_frame_queue"
2170 libfdk_aac_decoder_deps
="libfdk_aac"
2171 libfdk_aac_encoder_deps
="libfdk_aac"
2172 libfdk_aac_encoder_select
="audio_frame_queue"
2173 libgsm_decoder_deps
="libgsm"
2174 libgsm_encoder_deps
="libgsm"
2175 libgsm_ms_decoder_deps
="libgsm"
2176 libgsm_ms_encoder_deps
="libgsm"
2177 libilbc_decoder_deps
="libilbc"
2178 libilbc_encoder_deps
="libilbc"
2179 libkvazaar_encoder_deps
="libkvazaar"
2180 libmp3lame_encoder_deps
="libmp3lame"
2181 libmp3lame_encoder_select
="audio_frame_queue"
2182 libopencore_amrnb_decoder_deps
="libopencore_amrnb"
2183 libopencore_amrnb_encoder_deps
="libopencore_amrnb"
2184 libopencore_amrnb_encoder_select
="audio_frame_queue"
2185 libopencore_amrwb_decoder_deps
="libopencore_amrwb"
2186 libopenh264_encoder_deps
="libopenh264"
2187 libopenjpeg_decoder_deps
="libopenjpeg"
2188 libopenjpeg_encoder_deps
="libopenjpeg"
2189 libopus_decoder_deps
="libopus"
2190 libopus_encoder_deps
="libopus"
2191 libopus_encoder_select
="audio_frame_queue"
2192 libschroedinger_decoder_deps
="libschroedinger"
2193 libschroedinger_encoder_deps
="libschroedinger"
2194 libspeex_decoder_deps
="libspeex"
2195 libspeex_encoder_deps
="libspeex"
2196 libspeex_encoder_select
="audio_frame_queue"
2197 libtheora_encoder_deps
="libtheora"
2198 libtwolame_encoder_deps
="libtwolame"
2199 libvo_aacenc_encoder_deps
="libvo_aacenc"
2200 libvo_aacenc_encoder_select
="audio_frame_queue"
2201 libvo_amrwbenc_encoder_deps
="libvo_amrwbenc"
2202 libvorbis_encoder_deps
="libvorbis"
2203 libvorbis_encoder_select
="audio_frame_queue"
2204 libvpx_vp8_decoder_deps
="libvpx"
2205 libvpx_vp8_encoder_deps
="libvpx"
2206 libvpx_vp9_decoder_deps
="libvpx"
2207 libvpx_vp9_encoder_deps
="libvpx"
2208 libwavpack_encoder_deps
="libwavpack"
2209 libwebp_encoder_deps
="libwebp"
2210 libx262_encoder_deps
="libx262"
2211 libx264_encoder_deps
="libx264"
2212 libx265_encoder_deps
="libx265"
2213 libxavs_encoder_deps
="libxavs"
2214 libxvid_encoder_deps
="libxvid"
2217 ac3_demuxer_select
="ac3_parser"
2218 asf_demuxer_select
="riffdec"
2219 asf_muxer_select
="riffenc"
2220 asf_stream_muxer_select
="asf_muxer"
2221 avi_demuxer_select
="iso_media riffdec"
2222 avi_muxer_select
="riffenc"
2223 avisynth_demuxer_deps
="avisynth"
2224 avisynth_demuxer_select
="riffdec"
2225 caf_demuxer_select
="iso_media riffdec"
2226 dash_muxer_select
="mp4_muxer"
2227 dirac_demuxer_select
="dirac_parser"
2228 dv_demuxer_select
="dvprofile"
2229 dv_muxer_select
="dvprofile"
2230 dxa_demuxer_select
="riffdec"
2231 eac3_demuxer_select
="ac3_parser"
2232 f4v_muxer_select
="mov_muxer"
2233 flac_demuxer_select
="flac_parser"
2234 hds_muxer_select
="flv_muxer"
2235 hls_muxer_select
="mpegts_muxer"
2236 ipod_muxer_select
="mov_muxer"
2237 ismv_muxer_select
="mov_muxer"
2238 matroska_audio_muxer_select
="matroska_muxer"
2239 matroska_demuxer_select
="iso_media riffdec"
2240 matroska_demuxer_suggest
="bzlib lzo zlib"
2241 matroska_muxer_select
="iso_media riffenc"
2242 mmf_muxer_select
="riffenc"
2243 mov_demuxer_select
="iso_media riffdec"
2244 mov_demuxer_suggest
="zlib"
2245 mov_muxer_select
="iso_media riffenc rtpenc_chain"
2246 mp3_demuxer_select
="mpegaudio_parser"
2247 mp4_muxer_select
="mov_muxer"
2248 mpegts_demuxer_select
="iso_media"
2249 mpegts_muxer_select
="adts_muxer latm_muxer"
2250 mpegtsraw_demuxer_select
="mpegts_demuxer"
2251 mxf_d10_muxer_select
="mxf_muxer"
2252 nut_muxer_select
="riffenc"
2253 nuv_demuxer_select
="riffdec"
2254 oga_muxer_select
="ogg_muxer"
2255 ogg_demuxer_select
="dirac_parse"
2256 opus_muxer_select
="ogg_muxer"
2257 psp_muxer_select
="mov_muxer"
2258 rtp_demuxer_select
="sdp_demuxer"
2259 rtpdec_select
="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2260 rtsp_demuxer_select
="http_protocol rtpdec"
2261 rtsp_muxer_select
="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2262 sap_demuxer_select
="sdp_demuxer"
2263 sap_muxer_select
="rtp_muxer rtp_protocol rtpenc_chain"
2264 sdp_demuxer_select
="rtpdec"
2265 smoothstreaming_muxer_select
="ismv_muxer"
2266 spdif_muxer_select
="aac_parser"
2267 spx_muxer_select
="ogg_muxer"
2268 swf_demuxer_suggest
="zlib"
2269 tak_demuxer_select
="tak_parser"
2270 tg2_muxer_select
="mov_muxer"
2271 tgp_muxer_select
="mov_muxer"
2272 w64_demuxer_select
="wav_demuxer"
2273 wav_demuxer_select
="riffdec"
2274 wav_muxer_select
="riffenc"
2275 webm_muxer_select
="iso_media riffenc"
2276 webm_muxer_suggest
="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder"
2277 wtv_demuxer_select
="mpegts_demuxer riffdec"
2278 xmv_demuxer_select
="riffdec"
2279 xwma_demuxer_select
="riffdec"
2282 alsa_indev_deps
="alsa_asoundlib_h snd_pcm_htimestamp"
2283 alsa_outdev_deps
="alsa_asoundlib_h"
2284 avfoundation_indev_deps
="AVFoundation_AVFoundation_h"
2285 bktr_indev_deps_any
="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2286 dv1394_indev_deps
="dv1394"
2287 dv1394_indev_select
="dv_demuxer"
2288 fbdev_indev_deps
="linux_fb_h"
2289 jack_indev_deps
="jack_jack_h pthreads"
2290 libcdio_indev_deps
="libcdio"
2291 libdc1394_indev_deps
="libdc1394"
2292 oss_indev_deps_any
="soundcard_h sys_soundcard_h"
2293 oss_outdev_deps_any
="soundcard_h sys_soundcard_h"
2294 pulse_indev_deps
="libpulse"
2295 sndio_indev_deps
="sndio_h"
2296 sndio_outdev_deps
="sndio_h"
2297 v4l2_indev_deps_any
="linux_videodev2_h sys_videoio_h"
2298 vfwcap_indev_deps
="capCreateCaptureWindow vfwcap_defines"
2299 vfwcap_indev_extralibs
="-lavicap32"
2300 x11grab_indev_deps
="x11grab"
2301 x11grab_xcb_indev_deps
="libxcb"
2304 ffrtmpcrypt_protocol_deps
="!librtmp_protocol"
2305 ffrtmpcrypt_protocol_deps_any
="gcrypt gmp openssl"
2306 ffrtmpcrypt_protocol_select
="tcp_protocol"
2307 ffrtmphttp_protocol_deps
="!librtmp_protocol"
2308 ffrtmphttp_protocol_select
="http_protocol"
2309 gopher_protocol_select
="network"
2310 http_protocol_select
="tcp_protocol"
2311 httpproxy_protocol_select
="tcp_protocol"
2312 https_protocol_select
="tls_protocol"
2313 icecast_protocol_select
="http_protocol"
2314 librtmp_protocol_deps
="librtmp"
2315 librtmpe_protocol_deps
="librtmp"
2316 librtmps_protocol_deps
="librtmp"
2317 librtmpt_protocol_deps
="librtmp"
2318 librtmpte_protocol_deps
="librtmp"
2319 mmsh_protocol_select
="http_protocol"
2320 mmst_protocol_select
="network"
2321 rtmp_protocol_deps
="!librtmp_protocol"
2322 rtmp_protocol_select
="tcp_protocol"
2323 rtmpe_protocol_select
="ffrtmpcrypt_protocol"
2324 rtmps_protocol_deps
="!librtmp_protocol"
2325 rtmps_protocol_select
="tls_protocol"
2326 rtmpt_protocol_select
="ffrtmphttp_protocol"
2327 rtmpte_protocol_select
="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2328 rtmpts_protocol_select
="ffrtmphttp_protocol https_protocol"
2329 rtp_protocol_select
="udp_protocol"
2330 sctp_protocol_deps
="struct_sctp_event_subscribe"
2331 sctp_protocol_select
="network"
2332 srtp_protocol_select
="rtp_protocol"
2333 tcp_protocol_select
="network"
2334 tls_gnutls_protocol_deps
="gnutls"
2335 tls_gnutls_protocol_select
="tcp_protocol"
2336 tls_openssl_protocol_deps
="openssl !tls_gnutls_protocol"
2337 tls_openssl_protocol_select
="tcp_protocol"
2338 tls_protocol_deps_any
="tls_gnutls_protocol tls_openssl_protocol"
2339 udp_protocol_select
="network"
2340 unix_protocol_deps
="sys_un_h"
2341 unix_protocol_select
="network"
2344 blackframe_filter_deps
="gpl"
2345 boxblur_filter_deps
="gpl"
2346 bs2b_filter_deps
="libbs2b"
2347 cropdetect_filter_deps
="gpl"
2348 delogo_filter_deps
="gpl"
2349 drawtext_filter_deps
="libfreetype"
2350 frei0r_filter_deps
="frei0r dlopen"
2351 frei0r_filter_extralibs
='$ldl'
2352 frei0r_src_filter_deps
="frei0r dlopen"
2353 frei0r_src_filter_extralibs
='$ldl'
2354 hqdn3d_filter_deps
="gpl"
2355 hwupload_cuda_filter_deps
="cuda"
2356 interlace_filter_deps
="gpl"
2357 ocv_filter_deps
="libopencv"
2358 resample_filter_deps
="avresample"
2359 scale_filter_deps
="swscale"
2362 avcodec_example_deps
="avcodec avutil"
2363 filter_audio_example_deps
="avfilter avutil"
2364 metadata_example_deps
="avformat avutil"
2365 output_example_deps
="avcodec avformat avutil swscale"
2366 qsvdec_example_deps
="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2367 transcode_aac_example_deps
="avcodec avformat avresample"
2369 # libraries, in linking order
2370 avcodec_deps
="avutil"
2371 avdevice_deps
="avformat avcodec avutil"
2372 avfilter_deps
="avutil"
2373 avformat_deps
="avcodec avutil"
2374 avresample_deps
="avutil"
2375 swscale_deps
="avutil"
2378 avconv_deps
="avcodec avfilter avformat avresample swscale"
2379 avconv_select
="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2380 fps_filter null_filter resample_filter scale_filter
2381 setpts_filter trim_filter"
2382 avplay_deps
="avcodec avfilter avformat avresample sdl"
2383 avplay_libs
='$sdl_libs'
2384 avplay_select
="rdft format_filter transpose_filter hflip_filter vflip_filter"
2385 avprobe_deps
="avcodec avformat"
2389 texi2html_deps
="doc"
2391 # default parameters
2393 logfile
="config.log"
2395 # installation paths
2396 prefix_default
="/usr/local"
2397 bindir_default
='${prefix}/bin'
2398 datadir_default
='${prefix}/share/avconv'
2399 docdir_default
='${prefix}/share/doc/libav'
2400 incdir_default
='${prefix}/include'
2401 libdir_default
='${prefix}/lib'
2402 mandir_default
='${prefix}/share/man'
2403 shlibdir_default
="$libdir_default"
2408 host_cc_default
="gcc"
2413 pkg_config_default
=pkg-config
2419 arch_default
=$
(uname
-m
)
2424 target_os_default
=$
(tolower $
(uname
-s
))
2425 host_os
=$target_os_default
2427 # configurable options
2428 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2433 enable faan faandct faanidct
2434 enable optimizations
2435 enable safe_bitstream_reader
2437 enable swscale_alpha
2438 enable valgrind_backtrace
2440 # By default, enable only those hwaccels that have no external dependencies.
2441 enable d3d11va dxva2 vda vdpau
2444 SHFLAGS
='-shared -Wl,-soname,$$(@F)'
2447 FULLNAME
='$(NAME)$(BUILDSUF)'
2448 LIBNAME
='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2451 SLIBNAME
='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2452 SLIBNAME_WITH_VERSION
='$(SLIBNAME).$(LIBVERSION)'
2453 SLIBNAME_WITH_MAJOR
='$(SLIBNAME).$(LIBMAJOR)'
2454 LIB_INSTALL_EXTRA_CMD
='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2455 SLIB_INSTALL_NAME
='$(SLIBNAME_WITH_VERSION)'
2456 SLIB_INSTALL_LINKS
='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2479 host_cflags_filter
=echo
2480 host_ldflags_filter
=echo
2482 target_path
='$(CURDIR)'
2484 # since the object filename is not given with the -MM flag, the compiler
2485 # is only able to print the basename, and we must add the path ourselves
2486 DEPCMD
='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2490 if test -f configure
; then
2493 source_path
=$
(cd $
(dirname "$0"); pwd)
2494 echo "$source_path" |
grep -q
'[[:blank:]]' &&
2495 die
"Out of tree builds are impossible with whitespace in source path."
2496 test -e
"$source_path/config.h" &&
2497 die
"Out of tree builds are impossible with config.h in source dir."
2504 LIBAV_CONFIGURATION
="${LIBAV_CONFIGURATION# } ${l}${r}"
2510 file=$source_path/$3
2511 sed -n
"s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2514 ENCODER_LIST
=$
(find_things encoder ENC libavcodec
/allcodecs.c
)
2515 DECODER_LIST
=$
(find_things decoder DEC libavcodec
/allcodecs.c
)
2516 HWACCEL_LIST
=$
(find_things hwaccel HWACCEL libavcodec
/allcodecs.c
)
2517 PARSER_LIST
=$
(find_things parser PARSER libavcodec
/allcodecs.c
)
2518 BSF_LIST
=$
(find_things bsf BSF libavcodec
/allcodecs.c
)
2519 MUXER_LIST
=$
(find_things muxer _MUX libavformat
/allformats.c
)
2520 DEMUXER_LIST
=$
(find_things demuxer DEMUX libavformat
/allformats.c
)
2521 OUTDEV_LIST
=$
(find_things outdev OUTDEV libavdevice
/alldevices.c
)
2522 INDEV_LIST
=$
(find_things indev _IN libavdevice
/alldevices.c
)
2523 PROTOCOL_LIST
=$
(find_things protocol PROTOCOL libavformat
/allformats.c
)
2524 FILTER_LIST
=$
(find_things filter FILTER libavfilter
/allfilters.c
)
2540 for n
in $COMPONENT_LIST; do
2541 v
=$
(toupper
${n%s})_LIST
2543 eval ${n}_if_any
="\$$v"
2546 enable $ARCH_EXT_LIST
2549 echo "Unknown option \"$1\"."
2550 echo "See $0 --help for available options."
2555 printf "%-25s %-25s %-25s\n" $
(cat |
tr ' ' '\n' |
sort)
2561 echo $
* |
sed s
/$suffix//g | print_3_columns
2573 is_in
${comp} $COMPONENT_LIST && eval comp
=\$$
(toupper
${comp%s})_LIST
2574 echo "prob ${prob:-0.5}"
2582 random_seed
=$
(awk "BEGIN { srand($random_seed); print srand() }")
2583 $action $
(rand_list
"$@" |
awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2592 --extra-ldexeflags
=*)
2593 add_ldexeflags
$optval
2596 add_extralibs
$optval
2599 disable
$INDEV_LIST $OUTDEV_LIST
2602 debuglevel
="$optval"
2605 disable
$PROGRAM_LIST
2607 --disable-everything
)
2608 map
'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2611 map
'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2612 disable
$LIBRARY_LIST $PROGRAM_LIST doc
2614 --enable-random|
--disable-random
)
2615 action
=${opt%%-random}
2616 do_random
${action#--} $COMPONENT_LIST
2618 --enable-random
=*|
--disable-random
=*)
2619 action
=${opt%%-random=*}
2620 do_random
${action#--} $optval
2622 --enable-
*=*|
--disable-
*=*)
2623 eval $
(echo "${opt%%=*}" |
sed 's/--/action=/;s/-/ thing=/')
2624 is_in
"${thing}s" $COMPONENT_LIST || die_unknown
"$opt"
2625 eval list
=\$$
(toupper
$thing)_LIST
2626 name
=$
(echo "${optval}" |
sed "s/,/_${thing}|/g")_
${thing}
2627 $action $
(filter
"$name" $list)
2629 --enable-avserver|
--disable-avserver
*)
2630 warn
"avserver has been removed, the ${opt} option is only"\
2631 "provided for compatibility and will be removed in the future"
2633 --enable-?
*|
--disable-?
*)
2634 eval $
(echo "$opt" |
sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2635 if is_in
$option $COMPONENT_LIST; then
2636 test $action = disable
&& action
=unset
2637 eval $action \$$
(toupper
${option%s})_LIST
2638 elif is_in
$option $CMDLINE_SELECT; then
2645 NAME
="${opt#--list-}"
2646 is_in
$NAME $COMPONENT_LIST || die_unknown
$opt
2648 eval show_list
$NAME \$$
(toupper
$NAME)_LIST
2650 --help|
-h
) show_help
2653 optname
="${opt%%=*}"
2654 optname
="${optname#--}"
2655 optname
=$
(echo "$optname" |
sed 's/-/_/g')
2656 if is_in
$optname $CMDLINE_SET; then
2657 eval $optname='$optval'
2658 elif is_in
$optname $CMDLINE_APPEND; then
2659 append
$optname "$optval"
2671 disabled logging
&& logfile
=/dev
/null
2673 # Disable all the library-specific components if the library itself
2674 # is disabled, see AVCODEC_LIST and following _LIST variables.
2676 disable_components
(){
2677 disabled
${1} && disable $
(
2678 eval components
="\$$(toupper ${1})_COMPONENTS"
2679 map
'eval echo \${$(toupper ${v%s})_LIST}' $components
2683 map
'disable_components $v' $LIBRARY_LIST
2685 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2688 case "$toolchain" in
2690 cc_default
="${toolchain%-asan}"
2691 add_cflags
-fsanitize
=address
2692 add_ldflags
-fsanitize
=address
2695 cc_default
="${toolchain%-tsan}"
2696 add_cflags
-fsanitize
=thread
-pie
2697 add_ldflags
-fsanitize
=thread
-pie
2698 case "$toolchain" in
2706 cc_default
="${toolchain%-usan}"
2707 add_cflags
-fsanitize
=undefined
2708 add_ldflags
-fsanitize
=undefined
2709 case "$toolchain" in
2716 target_exec_default
="valgrind"
2717 case "$toolchain" in
2719 target_exec_args
="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2722 target_exec_args
="--track-origins=yes --leak-check=full"
2727 # Check whether the current MSVC version needs the C99 converter.
2728 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2729 # support enough of C99 to build libav. Default to the new
2730 # behaviour if the regexp was unable to match anything, since this
2731 # successfully parses the version number of existing supported
2732 # versions that require the converter (MSVC 2010 and 2012).
2733 cl_major_ver
=$
(cl
2>&1 |
sed -n
's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2734 if [ -z
"$cl_major_ver" ] ||
[ $cl_major_ver -ge
18 ]; then
2737 cc_default
="c99wrap cl"
2739 ld_default
="$source_path/compat/windows/mslink"
2740 nm_default
="dumpbin -symbols"
2747 target_os_default
="win32"
2748 # Use a relative path for TMPDIR. This makes sure all the
2749 # ffconf temp files are written with a relative path, avoiding
2750 # issues with msys/win32 path conversion for MSVC parameters
2751 # such as -Fo<file> or -out:<file>.
2757 nm_default
="dumpbin -symbols"
2759 target_os_default
="win32"
2763 add_cflags
-fprofile-arcs
-ftest-coverage
2764 add_ldflags
-fprofile-arcs
-ftest-coverage
2767 add_cppflags
-U_FORTIFY_SOURCE
-D_FORTIFY_SOURCE
=2
2768 add_cflags
-fno-strict-overflow
-fstack-protector-all
2769 add_ldflags
-Wl
,-z
,relro
-Wl
,-z
,now
2772 die
"Unknown toolchain $toolchain"
2776 test -n
"$cross_prefix" && enable cross_compile
2778 if enabled cross_compile
; then
2779 test -n
"$arch" && test -n
"$target_os" ||
2780 die
"Must specify target arch and OS when cross-compiling"
2783 ar_default
="${cross_prefix}${ar_default}"
2784 cc_default
="${cross_prefix}${cc_default}"
2785 occ_default
="${cross_prefix}${occ_default}"
2786 nm_default
="${cross_prefix}${nm_default}"
2787 pkg_config_default
="${cross_prefix}${pkg_config_default}"
2788 ranlib
="${cross_prefix}${ranlib}"
2789 strip
="${cross_prefix}${strip}"
2791 sysinclude_default
="${sysroot}/usr/include"
2793 set_default arch cc pkg_config sysinclude target_exec target_os
2794 enabled cross_compile || host_cc_default
=$cc
2797 if ! $pkg_config --version
>/dev
/null
2>&1; then
2798 warn
"$pkg_config not found, library detection may fail."
2804 mingw32
*|mingw64
*|win32|win64|cygwin
*|
*-dos|freedos|opendos|os
/2*|symbian
) echo .exe
;;
2808 EXESUF
=$
(exesuf
$target_os)
2809 HOSTEXESUF
=$
(exesuf
$host_os)
2811 # set temporary file name
2812 : ${TMPDIR:=$TEMPDIR}
2816 if ! check_cmd mktemp
-u XXXXXX
; then
2817 # simple replacement for missing mktemp
2818 # NOT SAFE FOR GENERAL USE
2820 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2825 tmp
=$
(mktemp
-u
"${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2826 (set -C
; exec > $tmp) 2>/dev
/null ||
2827 die
"Unable to create temporary file in $TMPDIR."
2828 append TMPFILES
$tmp
2832 trap 'rm -f -- $TMPFILES' EXIT
2836 tmpfile TMPE
$EXESUF
2847 # make sure we can execute files in $TMPDIR
2848 cat > $TMPSH 2>> $logfile <<EOF
2851 chmod +x
$TMPSH >> $logfile 2>&1
2852 if ! $TMPSH >> $logfile 2>&1; then
2854 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2855 variable to another directory and make sure that it is not mounted noexec.
2857 die
"Sanity test failed."
2863 # Filter out MSVC cl.exe options from cflags that shouldn't
2864 # be passed to gas-preprocessor
2874 -std
=c99
) echo -c99
;;
2875 -mcpu
=*) echo -arch
${flag#*=} ;;
2876 -mieee
) echo -ieee
;;
2877 -O
*|
-fast
) echo $flag ;;
2878 -fno-math-errno
) echo -assume nomath_errno
;;
2880 -Wall
) echo -msg_enable level2
;;
2881 -Wno-pointer-sign
) echo -msg_disable ptrmismatch1
;;
2882 -Wl
,*) echo $flag ;;
2892 -Wno-switch
) echo -Wno-switch-enum
;;
2893 -Wno-format-zero-length
) ;;
2894 -Wdisabled-optimization
) ;;
2895 -Wno-pointer-sign
) echo -Wno-other
;;
2901 msvc_common_flags
(){
2904 # In addition to specifying certain flags under the compiler
2905 # specific filters, they must be specified here as well or else the
2906 # generic catch all at the bottom will print the original flag.
2910 -fomit-frame-pointer
) ;;
2914 -fno-signed-zeros
) ;;
2918 -lz
) echo zlib.lib
;;
2919 -lavifil32
) echo vfw32.lib
;;
2920 -lavicap32
) echo vfw32.lib user32.lib
;;
2921 -lx264
) echo libx264.lib
;;
2922 -l
*) echo ${flag#-l}.lib
;;
2923 -L
*) echo -libpath
:${flag#-L} ;;
2930 msvc_common_flags
"$@"
2933 -Wall
) echo -W4
-wd4244
-wd4127
-wd4018
-wd4389 \
2934 -wd4146
-wd4057
-wd4204
-wd4706
-wd4305 \
2935 -wd4152
-wd4324
-we4013
-wd4100
-wd4214 \
2936 -wd4273
-wd4554
-wd4701
;;
2942 msvc_common_flags
"$@"
2945 # Despite what Intel's documentation says -Wall, which is supported
2946 # on Windows, does enable remarks so disable them here.
2947 -Wall
) echo $flag -Qdiag-disable
:remark
;;
2948 -std
=c99
) echo -Qstd
=c99
;;
2956 -flto
) echo -Mipa
=fast
,libopt
,libinline
,vestigial
;;
2957 -fomit-frame-pointer
) echo -Mnoframe
;;
2968 case "${flag#*=}" in
2969 native
) echo -xtarget
=native
;;
2970 v9|niagara
) echo -xarch
=sparc
;;
2971 ultrasparc
) echo -xarch
=sparcvis
;;
2972 ultrasparc3|niagara2
) echo -xarch
=sparcvis2
;;
2973 i586|pentium
) echo -xchip
=pentium
;;
2974 i686|pentiumpro|pentium2
) echo -xtarget
=pentium_pro
;;
2975 pentium3
*|c3-2
) echo -xtarget
=pentium3
;;
2976 pentium-m
) echo -xarch
=sse2
-xchip
=pentium3
;;
2977 pentium4
*) echo -xtarget
=pentium4
;;
2978 prescott|nocona
) echo -xarch
=sse3
-xchip
=pentium4
;;
2979 *-sse3
) echo -xarch
=sse3
;;
2980 core2
) echo -xarch
=ssse3
-xchip
=core2
;;
2981 corei7
) echo -xarch
=sse4_2
-xchip
=nehalem
;;
2982 corei7-avx
) echo -xarch
=avx
-xchip
=sandybridge
;;
2983 amdfam10|barcelona|bdver
*) echo -xarch
=sse4_1
;;
2984 athlon-4|athlon-
[mx
]p
) echo -xarch
=ssea
;;
2985 k8|opteron|athlon64|athlon-fx
)
2986 echo -xarch
=sse2a
;;
2987 athlon
*) echo -xarch
=pentium_proa
;;
2990 -std
=c99
) echo -xc99
;;
2991 -fomit-frame-pointer
) echo -xregs
=frameptr
;;
2992 -fPIC
) echo -KPIC
-xcode
=pic32
;;
2993 -W
*,*) echo $flag ;;
2994 -f
*-*|
-W
*|
-mimpure-text
) ;;
3005 case "${flag#*=}" in
3006 armv7-a|cortex-a
*) echo -mv=7a8
;;
3007 armv7-r|cortex-r
*) echo -mv=7r4
;;
3008 armv7-m|cortex-m
*) echo -mv=7m3
;;
3009 armv6
*|arm11
*) echo -mv=6 ;;
3010 armv5
*e|arm
[79]*e
*|arm9
[24]6*|arm96
*|arm102
[26])
3012 armv4
*|arm7
*|arm9
[24]*) echo -mv=4 ;;
3015 -mfpu
=neon
) echo --float_support
=vfpv3
--neon
;;
3016 -mfpu
=vfp
) echo --float_support
=vfpv2
;;
3017 -mfpu
=vfpv3
) echo --float_support
=vfpv3
;;
3018 -mfpu
=vfpv3-d16
) echo --float_support
=vfpv3d16
;;
3019 -msoft-float
) echo --float_support
=vfplib
;;
3020 -O
[0-3]|
-mf
=*) echo $flag ;;
3022 -pds
=*) echo $flag ;;
3023 -D
*|
-I
*) echo $flag ;;
3024 --gcc|
--abi
=*) echo $flag ;;
3034 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3035 unset _ld_o _ldflags _ld_lib _ld_path
3036 unset _depflags _DEPCMD _DEPFLAGS
3039 if $_cc -v
2>&1 |
grep -q
'^gcc.*LLVM'; then
3041 gcc_extra_ver
=$
(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3042 _ident
="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3043 _depflags
='-MMD -MF $(@:.o=.d) -MT $@'
3046 elif $_cc -v
2>&1 |
grep -qi ^gcc
; then
3048 gcc_version
=$
($_cc --version |
head -n1
)
3049 gcc_basever
=$
($_cc -dumpversion
)
3050 gcc_pkg_ver
=$
(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3051 gcc_ext_ver
=$
(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3052 _ident
=$
(cleanws
"gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3053 if ! $_cc -dumpversion |
grep -q
'^2\.'; then
3054 _depflags
='-MMD -MF $(@:.o=.d) -MT $@'
3058 elif $_cc --version
2>/dev
/null |
grep -q ^icc
; then
3060 _ident
=$
($_cc --version |
head -n1
)
3065 elif $_cc -v
2>&1 |
grep -q xlc
; then
3067 _ident
=$
($_cc -qversion
2>/dev
/null |
head -n1
)
3069 _cflags_size
='-O5 -qcompact'
3070 elif $_cc -V
2>/dev
/null |
grep -q Compaq
; then
3072 _ident
=$
($_cc -V |
head -n1 | cut
-d
' ' -f1-3
)
3074 _cflags_speed
='-fast'
3076 _flags_filter
=ccc_flags
3077 elif $_cc --vsn
2>/dev
/null |
grep -Eq
"ARM (C/C\+\+ )?Compiler"; then
3078 test -d
"$sysroot" || die
"No valid sysroot specified."
3080 _ident
=$
($_cc --vsn |
grep -i build |
head -n1 |
sed 's/.*: //')
3081 armcc_conf
="$PWD/armcc.conf"
3082 $_cc --arm_linux_configure \
3083 --arm_linux_config_file
="$armcc_conf" \
3084 --configure_sysroot
="$sysroot" \
3085 --configure_cpp_headers
="$sysinclude" >>$logfile 2>&1 ||
3086 die
"Error creating armcc configuration file."
3087 $_cc --vsn |
grep -q RVCT
&& armcc_opt
=rvct || armcc_opt
=armcc
3088 _flags
="--arm_linux_config_file=$armcc_conf --translate_gcc"
3089 as_default
="${cross_prefix}gcc"
3093 elif $_cc -version
2>/dev
/null |
grep -Eq
'TMS470|TI ARM'; then
3095 _ident
=$
($_cc -version |
head -n1 |
tr -s
' ')
3096 _flags
='--gcc --abi=eabi -me'
3099 _depflags
='-ppa -ppd=$(@:.o=.d)'
3100 _cflags_speed
='-O3 -mf=5'
3101 _cflags_size
='-O3 -mf=2'
3102 _flags_filter
=tms470_flags
3103 elif $_cc -v
2>&1 |
grep -q clang
; then
3105 _ident
=$
($_cc --version
2>/dev
/null |
head -n1
)
3106 _depflags
='-MMD -MF $(@:.o=.d) -MT $@'
3109 elif $_cc -V
2>&1 |
grep -q Sun
; then
3111 _ident
=$
($_cc -V
2>&1 |
head -n1 | cut
-d
' ' -f
2-)
3112 _DEPCMD
='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3113 _DEPFLAGS
='-xM1 -xc99'
3116 _cflags_size
='-O5 -xspace'
3117 _flags_filter
=suncc_flags
3118 elif $_cc -v
2>&1 |
grep -q
'PathScale\|Path64'; then
3120 _ident
=$
($_cc -v
2>&1 |
head -n1 |
tr -d
:)
3121 _depflags
='-MMD -MF $(@:.o=.d) -MT $@'
3124 _flags_filter
='filter_out -Wdisabled-optimization'
3125 elif $_cc -v
2>&1 |
grep -q Open64
; then
3127 _ident
=$
($_cc -v
2>&1 |
head -n1 |
tr -d
:)
3128 _depflags
='-MMD -MF $(@:.o=.d) -MT $@'
3131 _flags_filter
='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3132 elif $_cc -V
2>&1 |
grep -q Portland
; then
3134 _ident
="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3135 opt_common
='-alias=ansi -Mdse -Mlre -Mpre'
3136 _cflags_speed
="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3137 _cflags_size
="-O2 -Munroll=c:1 $opt_common"
3139 _flags_filter
=pgi_flags
3140 elif $_cc 2>&1 |
grep -q
'Microsoft.*ARM.*Assembler'; then
3142 _ident
=$
($_cc |
head -n1
)
3143 # 4509: "This form of conditional instruction is deprecated"
3144 _flags
="-nologo -ignore 4509"
3145 _flags_filter
=armasm_flags
3146 elif $_cc -nologo-
2>&1 |
grep -q Microsoft
; then
3148 _ident
=$
($_cc 2>&1 |
head -n1
)
3149 _DEPCMD
='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3150 _DEPFLAGS
='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3153 if $_cc -nologo-
2>&1 |
grep -q Linker
; then
3160 _flags_filter
=msvc_flags
3162 _ld_path
='-libpath:'
3164 _cflags
='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
3165 elif $_cc 2>&1 |
grep -q Intel
; then
3167 _ident
=$
($_cc 2>&1 |
head -n1
)
3168 _depflags
='-QMMD -QMF$(@:.o=.d) -QMT$@'
3169 # Not only is O3 broken on 13.x+ but it is slower on all previous
3170 # versions (tested) as well.
3172 _cflags_size
="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3173 if $_cc 2>&1 |
grep -q Linker
; then
3180 _flags_filter
=icl_flags
3182 _ld_path
='-libpath:'
3183 # -Qdiag-error to make icl error when seeing certain unknown arguments
3184 _flags
='-nologo -Qdiag-error:4044,10157'
3185 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3186 # with MSVC which enables it by default.
3187 _cflags
='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS'
3188 elif $_cc --version
2>/dev
/null |
grep -q ^cparser
; then
3190 _ident
=$
($_cc --version |
head -n1
)
3194 _flags_filter
=cparser_flags
3197 eval ${pfx}_type
=\
$_type
3198 eval ${pfx}_ident
=\
$_ident
3202 eval ${1}_C
=\
${_cc_c-\${${1}_C
}}
3203 eval ${1}_E
=\
${_cc_e-\${${1}_E
}}
3204 eval ${1}_O
=\
${_cc_o-\${${1}_O
}}
3206 if [ -n
"$_depflags" ]; then
3207 eval ${1}_DEPFLAGS
=\
$_depflags
3209 eval ${1}DEP
=\
${_DEPCMD:-\$DEPCMD}
3210 eval ${1}DEP_FLAGS
=\
${_DEPFLAGS:-\$DEPFLAGS}
3211 eval DEP
${1}FLAGS
=\
$_flags
3216 cflags_filter
=$_flags_filter
3217 cflags_speed
=$_cflags_speed
3218 cflags_size
=$_cflags_size
3219 cflags_noopt
=$_cflags_noopt
3220 add_cflags
$_flags $_cflags
3221 cc_ldflags
=$_ldflags
3224 probe_cc hostcc
"$host_cc"
3225 host_cflags_filter
=$_flags_filter
3226 add_host_cflags
$_flags $_cflags
3229 test -n
"$cc_type" && enable $cc_type ||
3230 warn
"Unknown C compiler $cc, unable to select optimal CFLAGS"
3232 : ${as_default:=$cc}
3233 : ${objcc_default:=$cc}
3234 : ${dep_cc_default:=$cc}
3235 : ${ld_default:=$cc}
3236 : ${host_ld_default:=$host_cc}
3237 set_default
ar as objcc dep_cc ld host_ld
3240 asflags_filter
=$_flags_filter
3241 add_asflags
$_flags $_cflags
3244 probe_cc objcc
"$objcc"
3245 objcflags_filter
=$_flags_filter
3246 add_objcflags
$_flags $_cflags
3250 ldflags_filter
=$_flags_filter
3251 add_ldflags
$_flags $_ldflags
3252 test "$cc_type" != "$ld_type" && add_ldflags
$cc_ldflags
3254 LD_LIB
=${_ld_lib-$LD_LIB}
3255 LD_PATH
=${_ld_path-$LD_PATH}
3257 probe_cc hostld
"$host_ld"
3258 host_ldflags_filter
=$_flags_filter
3259 add_host_ldflags
$_flags $_ldflags
3260 HOSTLD_O
=${_ld_o-$HOSTLD_O}
3262 if [ -z
"$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3263 probe_cc depcc
"$dep_cc"
3264 CCDEP
=${_DEPCMD:-$DEPCMD}
3265 CCDEP_FLAGS
=${_DEPFLAGS:=$DEPFLAGS}
3269 if $ar 2>&1 |
grep -q Microsoft
; then
3272 elif $ar 2>&1 |
grep -q
'Texas Instruments'; then
3275 elif $ar 2>&1 |
grep -q
'Usage: ar.*-X.*any'; then
3276 arflags
='-Xany -r -c'
3283 add_cflags
$extra_cflags
3284 add_objcflags
$extra_objcflags
3285 add_asflags
$extra_cflags
3287 if test -n
"$sysroot"; then
3290 add_cppflags
--sysroot
="$sysroot"
3291 add_ldflags
--sysroot
="$sysroot"
3294 add_cppflags
-I
"$sysinclude"
3295 add_ldflags
--sysroot
="$sysroot"
3300 if test "$cpu" = host; then
3301 enabled cross_compile
&&
3302 die
"--cpu=host makes no sense when cross-compiling."
3307 $cc $1=native
-v
-c
-o
$TMPO $TMPC >$TMPE 2>&1 ||
return
3309 s/.*$1=\\([^ ]*\\).*/\\1/
3314 cpu
=$
(check_native
-march || check_native
-mcpu
)
3318 test "${cpu:-host}" = host &&
3319 die
"--cpu=host not supported with compiler $cc"
3322 # Deal with common $arch aliases
3346 "Power Macintosh"|ppc
*|powerpc
*)
3361 i
[3-6]86|i86pc|BePC|x86pc|x86_64|amd64
)
3366 is_in
$arch $ARCH_LIST || warn
"unknown architecture $arch"
3369 # Add processor-specific flags
3370 if enabled aarch64
; then
3374 cpuflags
="-march=$cpu"
3377 cpuflags
="-mcpu=$cpu"
3381 elif enabled alpha
; then
3383 cpuflags
="-mcpu=$cpu"
3385 elif enabled arm
; then
3388 check_cpp_condition stddef.h \
3389 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3394 if check_arm_arch
4; then echo armv4
;
3395 elif check_arm_arch
4T
; then echo armv4t
;
3396 elif check_arm_arch
5; then echo armv5
;
3397 elif check_arm_arch
5E
; then echo armv5e
;
3398 elif check_arm_arch
5T
; then echo armv5t
;
3399 elif check_arm_arch
5TE
; then echo armv5te
;
3400 elif check_arm_arch
5TEJ
; then echo armv5te
;
3401 elif check_arm_arch
6; then echo armv6
;
3402 elif check_arm_arch
6J
; then echo armv6j
;
3403 elif check_arm_arch
6K
; then echo armv6k
;
3404 elif check_arm_arch
6Z
; then echo armv6z
;
3405 elif check_arm_arch
6ZK
; then echo armv6zk
;
3406 elif check_arm_arch
6T2
; then echo armv6t2
;
3407 elif check_arm_arch
7; then echo armv7
;
3408 elif check_arm_arch
7A
7_A
; then echo armv7-a
;
3409 elif check_arm_arch
7S
; then echo armv7-a
;
3410 elif check_arm_arch
7R
7_R
; then echo armv7-r
;
3411 elif check_arm_arch
7M
7_M
; then echo armv7-m
;
3412 elif check_arm_arch
7EM
7E_M
; then echo armv7-m
;
3413 elif check_arm_arch
8A
8_A
; then echo armv8-a
;
3417 [ "$cpu" = generic
] && cpu
=$
(probe_arm_arch
)
3421 cpuflags
="-march=$cpu"
3422 subarch
=$
(echo $cpu |
sed 's/[^a-z0-9]//g')
3425 cpuflags
="-mcpu=$cpu"
3427 cortex-a
*) subarch
=armv7a
;;
3428 cortex-r
*) subarch
=armv7r
;;
3429 cortex-m
*) enable thumb
; subarch
=armv7m
;;
3430 arm11
*) subarch
=armv6
;;
3431 arm
[79]*e
*|arm9
[24]6*|arm96
*|arm102
[26]) subarch
=armv5te
;;
3432 armv4
*|arm7
*|arm9
[24]*) subarch
=armv4
;;
3433 *) subarch
=$
(probe_arm_arch
) ;;
3439 armv5t
*) enable fast_clz
;;
3440 armv
[6-8]*) enable fast_clz fast_unaligned
;;
3443 elif enabled avr32
; then
3448 cpuflags
="-mpart=$cpu"
3452 cpuflags
="-march=$cpu"
3456 cpuflags
="-mcpu=$cpu"
3460 cpuflags
="-march=$cpu"
3464 elif enabled bfin
; then
3466 cpuflags
="-mcpu=$cpu"
3468 elif enabled mips
; then
3470 cpuflags
="-march=$cpu"
3472 elif enabled ppc
; then
3476 case $
(tolower
$cpu) in
3477 601|ppc601|powerpc601
)
3478 cpuflags
="-mcpu=601"
3481 603*|ppc603
*|powerpc603
*)
3482 cpuflags
="-mcpu=603"
3485 604*|ppc604
*|powerpc604
*)
3486 cpuflags
="-mcpu=604"
3489 g3|
75*|ppc75
*|powerpc75
*)
3490 cpuflags
="-mcpu=750"
3493 g4|
745*|ppc745
*|powerpc745
*)
3494 cpuflags
="-mcpu=7450"
3497 74*|ppc74
*|powerpc74
*)
3498 cpuflags
="-mcpu=7400"
3501 g5|
970|ppc970|powerpc970
)
3502 cpuflags
="-mcpu=970"
3506 cpuflags
="-mcpu=$cpu"
3510 cpuflags
="-mcpu=$cpu"
3514 cpuflags
="-mcpu=cell"
3519 cpuflags
="-mcpu=e500mc"
3523 cpuflags
="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3528 cpuflags
="-mcpu=8540 -mhard-float"
3534 elif enabled sparc
; then
3537 cypress|f93
[04]|tsc701|sparcl
*|supersparc|hypersparc|niagara|v
[789])
3538 cpuflags
="-mcpu=$cpu"
3540 ultrasparc
*|niagara
[234])
3541 cpuflags
="-mcpu=$cpu"
3545 elif enabled x86
; then
3549 cpuflags
="-march=$cpu"
3553 # targets that do NOT support nopl and conditional mov (cmov)
3554 pentium-mmx|k6|k6-
[23]|winchip-c6|winchip2|c3
)
3555 cpuflags
="-march=$cpu"
3558 # targets that do support nopl and conditional mov (cmov)
3559 i686|pentiumpro|pentium
[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-
[mx
]p|athlon64
*|k8
*|opteron
*|athlon-fx|core2|corei7
*|amdfam10|barcelona|atom|bdver
*)
3560 cpuflags
="-march=$cpu"
3564 # targets that do support conditional mov but on which it's slow
3565 pentium4|pentium4m|prescott|nocona
)
3566 cpuflags
="-march=$cpu"
3574 if [ "$cpu" != generic
]; then
3575 add_cflags
$cpuflags
3576 add_asflags
$cpuflags
3577 test "$cc_type" = "$ld_type" && add_ldflags
$cpuflags
3580 # compiler sanity check
3582 int main(void){ return 0; }
3584 if test "$?" != 0; then
3585 echo "$cc is unable to create an executable file."
3586 if test -z
"$cross_prefix" && ! enabled cross_compile
; then
3587 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3588 echo "Only do this if you know what cross compiling means."
3590 die
"C compiler test failed."
3593 add_cppflags
-D_ISOC99_SOURCE
3594 check_cflags
-std
=c99
3595 check_cc
-D_FILE_OFFSET_BITS
=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3598 check_cc
-D_LARGEFILE_SOURCE
<<EOF && add_cppflags -D_LARGEFILE_SOURCE
3602 add_host_cppflags
-D_ISOC99_SOURCE
3603 check_host_cflags
-std
=c99
3604 check_host_cflags
-Wall
3605 check_host_cflags
-O3
3611 check_code cc
"" "int test[2*($expr) - 1]" &&
3612 subarch
=$arch64 || subarch
=$arch32
3620 check_64bit mips mips64
'_MIPS_SIM > 1'
3624 check_64bit parisc parisc64
'sizeof(void *) > 4'
3628 check_64bit ppc ppc64
'sizeof(void *) > 4'
3632 check_64bit s390 s390x
'sizeof(void *) > 4'
3636 check_64bit sparc sparc64
'sizeof(void *) > 4'
3640 check_64bit x86_32 x86_64
'sizeof(void *) > 4'
3641 if test "$subarch" = "x86_64"; then
3648 enabled spic
&& enable_weak pic
3654 add_cppflags
'-I\$(SRC_PATH)/compat/aix'
3655 enabled shared
&& add_ldflags
-Wl
,-brtl
3659 enable section_data_rel_ro
3660 SLIB_INSTALL_NAME
='$(SLIBNAME)'
3662 SHFLAGS
='-shared -Wl,-soname,$(SLIBNAME)'
3665 prefix_default
="/boot/common"
3666 network_extralibs
="-lnetwork"
3670 SHFLAGS
='-shared -Wl,-h,$$(@F)'
3671 enabled x86
&& SHFLAGS
="-mimpure-text $SHFLAGS"
3672 network_extralibs
="-lsocket -lnsl"
3673 # When using suncc to build, the Solaris linker will mark
3674 # an executable with each instruction set encountered by
3675 # the Solaris assembler. As our libraries contain their own
3676 # guards for processor-specific code, instead suppress
3677 # generation of the HWCAPS ELF section on Solaris x86 only.
3678 enabled_all suncc x86
&&
3679 echo "hwcap_1 = OVERRIDE;" > mapfile
&&
3680 add_ldflags
-Wl
,-M
,mapfile
3681 nm_default
='nm -P -g'
3682 SLIB_CREATE_DEF_CMD
='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
3686 oss_indev_extralibs
="-lossaudio"
3687 oss_outdev_extralibs
="-lossaudio"
3692 SLIB_INSTALL_NAME
='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3694 oss_indev_extralibs
="-lossaudio"
3695 oss_outdev_extralibs
="-lossaudio"
3703 add_extralibs
-lpoll
-lgnugetopt
3706 enabled ppc
&& add_asflags
-force_cpusubtype_ALL
3707 SHFLAGS
='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3708 enabled x86_32
&& append SHFLAGS
-Wl
,-read_only_relocs
,suppress
3709 add_ldflags
-Wl
,-dynamic
,-search_paths_first
3711 SLIBNAME_WITH_VERSION
='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3712 SLIBNAME_WITH_MAJOR
='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3714 enabled x86_64
&& objformat
="macho64"
3715 enabled_any pic shared ||