3 # FFmpeg 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 FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
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 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller 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
106 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
107 --enable-incompatible-fork-abi enable incompatible Libav fork ABI (deprecated) [no]
110 --disable-programs do not build command line programs
111 --disable-ffmpeg disable ffmpeg build
112 --disable-ffplay disable ffplay build
113 --disable-ffprobe disable ffprobe build
114 --disable-ffserver disable ffserver build
116 Documentation options:
117 --disable-doc do not build documentation
118 --disable-htmlpages do not build HTML documentation pages
119 --disable-manpages do not build man documentation pages
120 --disable-podpages do not build POD documentation pages
121 --disable-txtpages do not build text documentation pages
124 --disable-avdevice disable libavdevice build
125 --disable-avcodec disable libavcodec build
126 --disable-avformat disable libavformat build
127 --disable-avutil disable libavutil build
128 --disable-swresample disable libswresample build
129 --disable-swscale disable libswscale build
130 --disable-postproc disable libpostproc build
131 --disable-avfilter disable libavfilter build
132 --enable-avresample enable libavresample build [no]
133 --disable-pthreads disable pthreads [auto]
134 --disable-w32threads disable Win32 threads [auto]
135 --disable-os2threads disable OS/2 threads [auto]
136 --disable-network disable network support [no]
137 --disable-dct disable DCT code
138 --disable-dwt disable DWT code
139 --disable-error-resilience disable error resilience code
140 --disable-lsp disable LSP code
141 --disable-lzo disable LZO decoder code
142 --disable-mdct disable MDCT code
143 --disable-rdft disable RDFT code
144 --disable-fft disable FFT code
146 Hardware accelerators:
147 --disable-dxva2 disable DXVA2 code [autodetect]
148 --disable-vaapi disable VAAPI code [autodetect]
149 --enable-vda enable VDA code
150 --disable-vdpau disable VDPAU code [autodetect]
152 Individual component options:
153 --disable-everything disable all components listed below
154 --disable-encoder=NAME disable encoder NAME
155 --enable-encoder=NAME enable encoder NAME
156 --disable-encoders disable all encoders
157 --disable-decoder=NAME disable decoder NAME
158 --enable-decoder=NAME enable decoder NAME
159 --disable-decoders disable all decoders
160 --disable-hwaccel=NAME disable hwaccel NAME
161 --enable-hwaccel=NAME enable hwaccel NAME
162 --disable-hwaccels disable all hwaccels
163 --disable-muxer=NAME disable muxer NAME
164 --enable-muxer=NAME enable muxer NAME
165 --disable-muxers disable all muxers
166 --disable-demuxer=NAME disable demuxer NAME
167 --enable-demuxer=NAME enable demuxer NAME
168 --disable-demuxers disable all demuxers
169 --enable-parser=NAME enable parser NAME
170 --disable-parser=NAME disable parser NAME
171 --disable-parsers disable all parsers
172 --enable-bsf=NAME enable bitstream filter NAME
173 --disable-bsf=NAME disable bitstream filter NAME
174 --disable-bsfs disable all bitstream filters
175 --enable-protocol=NAME enable protocol NAME
176 --disable-protocol=NAME disable protocol NAME
177 --disable-protocols disable all protocols
178 --enable-indev=NAME enable input device NAME
179 --disable-indev=NAME disable input device NAME
180 --disable-indevs disable input devices
181 --enable-outdev=NAME enable output device NAME
182 --disable-outdev=NAME disable output device NAME
183 --disable-outdevs disable output devices
184 --disable-devices disable all devices
185 --enable-filter=NAME enable filter NAME
186 --disable-filter=NAME disable filter NAME
187 --disable-filters disable all filters
189 External library support:
190 --enable-avisynth enable reading of AviSynth script files [no]
191 --disable-bzlib disable bzlib [autodetect]
192 --enable-fontconfig enable fontconfig
193 --enable-frei0r enable frei0r video filtering
194 --enable-gnutls enable gnutls [no]
195 --disable-iconv disable iconv [autodetect]
196 --enable-ladspa enable LADSPA audio filtering
197 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
198 --enable-libass enable libass subtitles rendering [no]
199 --enable-libbluray enable BluRay reading using libbluray [no]
200 --enable-libcaca enable textual display using libcaca
201 --enable-libcelt enable CELT decoding via libcelt [no]
202 --enable-libcdio enable audio CD grabbing with libcdio
203 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
205 --enable-libfaac enable AAC encoding via libfaac [no]
206 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
207 --enable-libflite enable flite (voice synthesis) support via libflite [no]
208 --enable-libfreetype enable libfreetype [no]
209 --enable-libgme enable Game Music Emu via libgme [no]
210 --enable-libgsm enable GSM de/encoding via libgsm [no]
211 --enable-libiec61883 enable iec61883 via libiec61883 [no]
212 --enable-libilbc enable iLBC de/encoding via libilbc [no]
213 --enable-libmodplug enable ModPlug via libmodplug [no]
214 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
215 --enable-libnut enable NUT (de)muxing via libnut,
216 native (de)muxer exists [no]
217 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
218 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
219 --enable-libopencv enable video filtering via libopencv [no]
220 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
221 --enable-libopus enable Opus decoding via libopus [no]
222 --enable-libpulse enable Pulseaudio input via libpulse [no]
223 --enable-libquvi enable quvi input via libquvi [no]
224 --enable-librtmp enable RTMP[E] support via librtmp [no]
225 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
226 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
227 --enable-libsoxr enable Include libsoxr resampling [no]
228 --enable-libspeex enable Speex de/encoding via libspeex [no]
229 --enable-libssh enable SFTP protocol via libssh [no]
230 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
231 --enable-libtheora enable Theora encoding via libtheora [no]
232 --enable-libtwolame enable MP2 encoding via libtwolame [no]
233 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
234 --enable-libv4l2 enable libv4l2/v4l-utils [no]
235 --enable-libvidstab enable video stabilization using vid.stab [no]
236 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
237 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
238 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
239 native implementation exists [no]
240 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
241 --enable-libwavpack enable wavpack encoding via libwavpack [no]
242 --enable-libx264 enable H.264 encoding via x264 [no]
243 --enable-libxavs enable AVS encoding via xavs [no]
244 --enable-libxvid enable Xvid encoding via xvidcore,
245 native MPEG-4/Xvid encoder exists [no]
246 --enable-libzmq enable message passing via libzmq [no]
247 --enable-libzvbi enable teletext support via libzvbi [no]
248 --enable-openal enable OpenAL 1.1 capture support [no]
249 --enable-opencl enable OpenCL code
250 --enable-openssl enable openssl [no]
251 --enable-x11grab enable X11 grabbing [no]
252 --disable-zlib disable zlib [autodetect]
254 Advanced options (experts only):
255 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
256 --enable-cross-compile assume a cross-compiler is used
257 --sysroot=PATH root of cross-build tree
258 --sysinclude=PATH location of cross-build system headers
259 --target-os=OS compiler targets OS [$target_os]
260 --target-exec=CMD command to run executables on target
261 --target-path=DIR path to view of build directory on target
262 --target-samples=DIR path to samples directory on target
263 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
264 --toolchain=NAME set tool defaults according to NAME
265 --nm=NM use nm tool NM [$nm_default]
266 --ar=AR use archive tool AR [$ar_default]
267 --as=AS use assembler AS [$as_default]
268 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
269 --cc=CC use C compiler CC [$cc_default]
270 --cxx=CXX use C compiler CXX [$cxx_default]
271 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
272 --ld=LD use linker LD [$ld_default]
273 --host-cc=HOSTCC use host C compiler HOSTCC
274 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
275 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
276 --host-ld=HOSTLD use host linker HOSTLD
277 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
278 --host-libs=HLIBS use libs HLIBS when linking for host
279 --host-os=OS compiler host OS [$target_os]
280 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
281 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
282 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
283 --extra-libs=ELIBS add ELIBS [$ELIBS]
284 --extra-version=STRING version string suffix []
285 --optflags=OPTFLAGS override optimization-related compiler flags
286 --build-suffix=SUFFIX library name suffix []
287 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
288 --progs-suffix=SUFFIX program name suffix []
289 --arch=ARCH select architecture [$arch]
290 --cpu=CPU select the minimum required CPU (affects
291 instruction selection, may crash on older CPUs)
292 --enable-pic build position-independent code
293 --enable-sram allow use of on-chip SRAM
294 --enable-thumb compile for Thumb instruction set
295 --disable-symver disable symbol versioning
296 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
297 --disable-safe-bitstream-reader
298 disable buffer boundary checking in bitreaders
299 (faster, but may crash)
300 --enable-memalign-hack emulate memalign, interferes with memory debuggers
301 --enable-lto use link-time optimization
303 Optimization options (experts only):
304 --disable-asm disable all assembler optimizations
305 --disable-altivec disable AltiVec optimizations
306 --disable-amd3dnow disable 3DNow! optimizations
307 --disable-amd3dnowext disable 3DNow! extended optimizations
308 --disable-mmx disable MMX optimizations
309 --disable-mmxext disable MMXEXT optimizations
310 --disable-sse disable SSE optimizations
311 --disable-sse2 disable SSE2 optimizations
312 --disable-sse3 disable SSE3 optimizations
313 --disable-ssse3 disable SSSE3 optimizations
314 --disable-sse4 disable SSE4 optimizations
315 --disable-sse42 disable SSE4.2 optimizations
316 --disable-avx disable AVX optimizations
317 --disable-fma4 disable FMA4 optimizations
318 --disable-avx2 disable AVX2 optimizations
319 --disable-armv5te disable armv5te optimizations
320 --disable-armv6 disable armv6 optimizations
321 --disable-armv6t2 disable armv6t2 optimizations
322 --disable-vfp disable VFP optimizations
323 --disable-neon disable NEON optimizations
324 --disable-vis disable VIS optimizations
325 --disable-inline-asm disable use of inline assembler
326 --disable-yasm disable use of yasm assembler
327 --disable-mips32r2 disable MIPS32R2 optimizations
328 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
329 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
330 --disable-mipsfpu disable floating point MIPS optimizations
331 --disable-fast-unaligned consider unaligned accesses slow
333 Developer options (useful when working on FFmpeg itself):
334 --disable-debug disable debugging symbols
335 --enable-debug=LEVEL set the debug level [$debuglevel]
336 --disable-optimizations disable compiler optimizations
337 --enable-extra-warnings enable more compiler warnings
338 --disable-stripping disable stripping of executables and shared libraries
339 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
340 2 causes a slowdown at runtime.
341 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
342 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
343 leaks and errors, using the specified valgrind binary.
344 Cannot be combined with --target-exec
345 --enable-ftrapv Trap arithmetic overflows
346 --samples=PATH location of test samples for FATE, if not set use
347 \$FATE_SAMPLES at make invocation time.
348 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
349 should be used only for debugging purposes)
350 --enable-random randomly enable/disable components
352 --enable-random=LIST randomly enable/disable specific components or
353 --disable-random=LIST component groups. LIST is a comma-separated list
354 of NAME[:PROB] entries where NAME is a component
355 (group) and PROB the probability associated with
357 --random-seed=VALUE seed value for --enable/disable-random
359 NOTE: Object files are built at the place where configure is launched.
367 echo "$@" >> $logfile
372 pr -n -t $1 >> $logfile
383 WARNINGS="${WARNINGS}WARNING: $*\n"
390 If you think configure made a mistake, make sure you are using the latest
391 version from Git. If the latest version fails, report the problem to the
392 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
394 if disabled logging; then
396 Rerun configure with logging enabled (do not use --disable-logging), and
397 include the log this produces with your report.
401 Include the log file "$logfile" produced by configure as this will help
408 # Avoid locale weirdness, besides we really just want to translate ASCII.
410 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
414 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
418 echo "$*" | sed 's/["\\]/\\\0/g'
422 v=$(echo "$1" | sed "s/'/'\\\\''/g")
423 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
428 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\r//g'
435 eval "case $v in $pat) echo $v ;; esac"
443 eval "case $v in $pat) ;; *) echo $v ;; esac"
450 for v; do eval $m; done
456 for v; do echo ${v}${suffix}; done
471 eval : \${$var:=$value}
476 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
482 eval $(sanitize_var_name "$var")='$*'
486 eval echo \$$(sanitize_var_name "$1")
491 eval level=\${${pvar}_level:=0}
492 eval ${pvar}_${level}="\$$pvar"
493 eval ${pvar}_level=$(($level+1))
499 eval level=\${${pvar}_level:-0}
500 test $level = 0 && continue
501 eval level=$(($level-1))
502 eval $pvar="\${${pvar}_${level}}"
503 eval ${pvar}_level=$level
504 eval unset ${pvar}_${level}
526 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
532 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
538 enabled $var && continue
539 eval sel="\$${var}_select"
540 eval sgs="\$${var}_suggest"
544 enable_deep_weak $sgs
556 disabled $var && continue
565 test "${1#!}" = "$1" && op== || op=!=
566 eval test "x\$${1#!}" $op "xyes"
570 test "${1#!}" = "$1" && op== || op=!=
571 eval test "x\$${1#!}" $op "xno"
576 enabled $opt || return 1
582 disabled $opt || return 1
588 enabled $opt && return 0
594 disabled $opt && return 0
601 eval : \${$opt:=\$${opt}_default}
609 [ $var = $value ] && return 0
617 enabled ${cfg}_checking && die "Circular dependency for $cfg."
618 disabled ${cfg}_checking && continue
619 enable ${cfg}_checking
622 eval dep_all="\$${cfg}_deps"
623 eval dep_any="\$${cfg}_deps_any"
624 eval dep_sel="\$${cfg}_select"
625 eval dep_sgs="\$${cfg}_suggest"
626 eval dep_ifa="\$${cfg}_if"
627 eval dep_ifn="\$${cfg}_if_any"
629 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
630 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
631 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
633 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
634 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
635 enabled_all $dep_all || disable $cfg
636 enabled_any $dep_any || disable $cfg
637 disabled_any $dep_sel && disable $cfg
639 if enabled $cfg; then
641 enable_deep_weak $dep_sgs
644 disable ${cfg}_checking
653 for cfg in $allopts; do
654 enabled $cfg || continue
655 eval dep_extralibs="\$${cfg}_extralibs"
656 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
664 map 'eval echo "$v \${$v:-no}"' "$@" |
665 awk "BEGIN { split(\"$files\", files) }
667 c = \"$pfx\" toupper(\$1);
673 if (file ~ /\\.h\$/) {
674 printf(\"#define %s %d\\n\", c, v) >>file;
675 } else if (file ~ /\\.asm\$/) {
676 printf(\"%%define %s %d\\n\", c, v) >>file;
677 } else if (file ~ /\\.mak\$/) {
678 n = -v ? \"\" : \"!\";
679 printf(\"%s%s=yes\\n\", n, c) >>file;
680 } else if (file ~ /\\.texi\$/) {
681 pre = -v ? \"\" : \"@c \";
684 gsub(/_/, \"-\", c2);
685 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
695 enabled $v && printf "%s\n" ${v%$suf};
702 eval "$var=\"\$$var $*\""
708 eval "$var=\"$* \$$var\""
716 append CFLAGS $($cflags_filter "$@")
720 append CXXFLAGS $($cflags_filter "$@")
724 append ASFLAGS $($asflags_filter "$@")
728 append LDFLAGS $($ldflags_filter "$@")
732 prepend extralibs $($ldflags_filter "$@")
736 append host_cppflags "$@"
740 append host_cflags $($host_cflags_filter "$@")
744 append host_ldflags $($host_ldflags_filter "$@")
748 append compat_objs $1
750 map 'add_cppflags -D$v' "$@"
755 "$@" >> $logfile 2>&1
759 eval printf '%s\\n' $CC_O
763 eval printf '%s\\n' $CC_E
770 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
777 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
784 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
788 eval printf '%s\\n' $AS_O
795 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
799 log check_inline_asm "$@"
804 check_cc "$@" <<EOF && enable $name
805 void foo(void){ __asm__ volatile($code); }
811 check_inline_asm ${1}_inline "\"$2\""
812 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
820 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
824 eval printf '%s\\n' $LD_O
831 flags=$(filter_out '-l*|*.so' $@)
832 libs=$(filter '-l*|*.so' $@)
833 check_$type $($cflags_filter $flags) || return
834 flags=$($ldflags_filter $flags)
835 libs=$($ldflags_filter $libs)
836 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
846 for hdr in $headers; do
847 echo "#include <$hdr>"
849 echo "int main(void) { $code; return 0; }"
850 } | check_$check "$@"
854 log check_cppflags "$@"
855 check_cc "$@" <<EOF && append CPPFLAGS "$@"
862 set -- $($cflags_filter "$@")
869 log check_cflags "$@"
870 test_cflags "$@" && add_cflags "$@"
874 log check_cxxflags "$@"
875 set -- $($cflags_filter "$@")
876 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
882 log test_ldflags "$@"
883 check_ld "cc" "$@" <<EOF
884 int main(void){ return 0; }
889 log check_ldflags "$@"
890 test_ldflags "$@" && add_ldflags "$@"
894 log check_header "$@"
898 check_cpp "$@" <<EOF && enable_safe $header
909 check_ld "cc" "$@" <<EOF && enable $func
911 int main(void){ $func(); }
916 log check_mathfunc "$@"
920 test $narg = 2 && args="f, g" || args="f"
922 check_ld "cc" "$@" <<EOF && enable $func
924 float foo(float f, float g) { return $func($args); }
925 int main(void){ return (int) foo; }
929 check_func_headers(){
930 log check_func_headers "$@"
935 for hdr in $headers; do
936 echo "#include <$hdr>"
938 for func in $funcs; do
939 echo "long check_$func(void) { return (long) $func; }"
941 echo "int main(void) { return 0; }"
942 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
945 check_class_headers_cpp(){
946 log check_class_headers_cpp "$@"
951 for hdr in $headers; do
952 echo "#include <$hdr>"
954 echo "int main(void) { "
956 for class in $classes; do
961 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
964 check_cpp_condition(){
965 log check_cpp_condition "$@"
972 #error "unsatisfied condition: $condition"
982 check_header $header && check_func $func "$@" && add_extralibs "$@"
990 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
994 log check_lib_cpp "$@"
998 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1002 log check_pkg_config "$@"
1007 check_cmd $pkg_config --exists --print-errors $pkg || return
1008 pkg_cflags=$($pkg_config --cflags $pkg)
1009 pkg_libs=$($pkg_config --libs $pkg)
1010 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1011 set_safe ${pkg}_cflags $pkg_cflags &&
1012 set_safe ${pkg}_libs $pkg_libs
1016 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1022 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1023 # are safe but may not be available everywhere. Thus we use
1024 # raise(SIGTERM) instead. The check is run in a subshell so we
1025 # can redirect the "Terminated" message from the shell. SIGBUS
1026 # is not defined by standard C so it is used conditionally.
1028 (check_exec "$@") >> $logfile 2>&1 <<EOF
1030 static void sighandler(int sig){
1036 int (*func_ptr)(void) = foo;
1038 signal(SIGILL, sighandler);
1039 signal(SIGFPE, sighandler);
1040 signal(SIGSEGV, sighandler);
1042 signal(SIGBUS, sighandler);
1054 disable_safe "$type"
1055 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1059 log check_struct "$@"
1064 disable_safe "${struct}_${member}"
1065 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1066 enable_safe "${struct}_${member}"
1070 log check_builtin "$@"
1076 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1084 check_lib $header $func "$@" || die "ERROR: $name not found"
1092 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1100 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1103 require_pkg_config(){
1105 check_pkg_config "$@" || die "ERROR: $pkg not found"
1106 add_cflags $(get_safe ${pkg}_cflags)
1107 add_extralibs $(get_safe ${pkg}_libs)
1111 eval printf '%s\\n' $HOSTCC_O
1115 log check_host_cc "$@"
1118 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $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 "$@"
1139 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1143 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1144 mkdir -p "$(dirname $2)"
1148 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1149 # system-dependent things.
1165 EXTERNAL_LIBRARY_LIST="
1265 $EXTERNAL_LIBRARY_LIST
1278 incompatible_libav_abi
1279 incompatible_fork_abi
1290 safe_bitstream_reader
1387 incompatible_libav_abi
1388 incompatible_fork_abi
1421 $(add_suffix _external $ARCH_EXT_LIST)
1422 $(add_suffix _inline $ARCH_EXT_LIST)
1442 cdio_paranoia_paranoia_h
1450 dev_bktr_ioctl_bt848_h
1451 dev_bktr_ioctl_meteor_h
1453 dev_video_bktr_ioctl_bt848_h
1454 dev_video_meteor_ioctl_meteor_h
1470 GetProcessAffinityMask
1471 GetProcessMemoryInfo
1473 GetSystemTimeAsFileTime
1485 jack_port_get_latency_range
1495 machine_ioctl_bt848_h
1496 machine_ioctl_meteor_h
1509 openjpeg_1_5_openjpeg_h
1522 SetConsoleTextAttribute
1531 struct_group_source_req
1532 struct_ip_mreq_source
1535 struct_rusage_ru_maxrss
1536 struct_sctp_event_subscribe
1538 struct_sockaddr_sa_len
1539 struct_sockaddr_storage
1540 struct_stat_st_mtim_tv_nsec
1541 struct_v4l2_frmivalenum_discrete
1544 sync_val_compare_and_swap
1568 # options emitted with CONFIG_ prefix but not available on the command line
1575 frame_thread_encoder
1677 # code dependency declarations
1679 # architecture extensions
1688 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1691 mips32r2_deps="mips"
1692 mipsdspr1_deps="mips"
1693 mipsdspr2_deps="mips"
1701 x86_64_select="i686"
1702 x86_64_suggest="fast_cmov"
1705 amd3dnowext_deps="amd3dnow"
1718 mmx_external_deps="yasm"
1719 mmx_inline_deps="inline_asm"
1720 mmx_suggest="mmx_external mmx_inline"
1722 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1723 eval dep=\$${ext}_deps
1724 eval ${ext}_external_deps='"${dep}_external"'
1725 eval ${ext}_inline_deps='"${dep}_inline"'
1726 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1729 aligned_stack_if_any="ppc x86"
1730 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1731 fast_clz_if_any="alpha avr32 mips ppc x86"
1732 fast_unaligned_if_any="ppc x86"
1734 inline_asm_deps="!tms470"
1735 need_memalign="altivec neon sse"
1737 symver_if_any="symver_asm_label symver_gnu_asm"
1743 error_resilience_select="dsputil"
1744 frame_thread_encoder_deps="encoders threads"
1745 lpc_select="dsputil"
1748 mpegaudio_select="mpegaudiodsp"
1749 mpegaudiodsp_select="dct"
1750 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1751 mpegvideoenc_select="mpegvideo"
1753 # decoders / encoders
1754 aac_decoder_select="mdct sinewin"
1755 aac_encoder_select="audio_frame_queue mdct sinewin"
1756 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1757 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1758 ac3_encoder_select="mdct ac3dsp dsputil"
1759 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1760 aic_decoder_select="dsputil golomb"
1761 alac_encoder_select="lpc"
1762 als_decoder_select="dsputil"
1763 amrnb_decoder_select="lsp"
1764 amrwb_decoder_select="lsp"
1765 amv_decoder_select="dsputil hpeldsp exif"
1766 amv_encoder_select="aandcttables"
1767 ape_decoder_select="dsputil"
1768 asv1_decoder_select="dsputil"
1769 asv1_encoder_select="dsputil"
1770 asv2_decoder_select="dsputil"
1771 asv2_encoder_select="dsputil"
1772 atrac1_decoder_select="mdct sinewin"
1773 atrac3_decoder_select="mdct"
1774 avrn_decoder_select="exif"
1775 bink_decoder_select="dsputil hpeldsp"
1776 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1777 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1778 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1779 cllc_decoder_select="dsputil"
1780 comfortnoise_encoder_select="lpc"
1781 cook_decoder_select="dsputil mdct sinewin"
1782 cscd_decoder_select="lzo"
1783 cscd_decoder_suggest="zlib"
1784 dca_decoder_select="mdct"
1785 dirac_decoder_select="dsputil dwt golomb videodsp"
1786 dnxhd_decoder_select="dsputil"
1787 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1788 dvvideo_decoder_select="dsputil"
1789 dvvideo_encoder_select="dsputil"
1790 dxa_decoder_select="zlib"
1791 eac3_decoder_select="ac3_decoder"
1792 eac3_encoder_select="ac3_encoder"
1793 eamad_decoder_select="aandcttables dsputil mpegvideo"
1794 eatgq_decoder_select="aandcttables"
1795 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1796 exr_decoder_select="zlib"
1797 ffv1_decoder_select="dsputil golomb rangecoder"
1798 ffv1_encoder_select="dsputil rangecoder"
1799 ffvhuff_decoder_select="dsputil"
1800 ffvhuff_encoder_select="dsputil huffman"
1801 flac_decoder_select="golomb"
1802 flac_encoder_select="dsputil golomb lpc"
1803 flashsv_decoder_select="zlib"
1804 flashsv_encoder_select="zlib"
1805 flashsv2_encoder_select="zlib"
1806 flashsv2_decoder_select="zlib"
1807 flv_decoder_select="h263_decoder"
1808 flv_encoder_select="h263_encoder"
1809 fourxm_decoder_select="dsputil"
1810 fraps_decoder_select="dsputil huffman"
1811 g2m_decoder_select="dsputil zlib"
1812 g729_decoder_select="dsputil"
1813 h261_decoder_select="error_resilience mpegvideo"
1814 h261_encoder_select="aandcttables mpegvideoenc"
1815 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
1816 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1817 h263i_decoder_select="h263_decoder"
1818 h263p_encoder_select="h263_encoder"
1819 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1820 h264_decoder_suggest="error_resilience"
1821 hevc_decoder_select="dsputil golomb videodsp"
1822 huffyuv_decoder_select="dsputil"
1823 huffyuv_encoder_select="dsputil huffman"
1824 iac_decoder_select="dsputil fft mdct sinewin"
1825 imc_decoder_select="dsputil fft mdct sinewin"
1826 indeo3_decoder_select="hpeldsp"
1827 interplay_video_decoder_select="hpeldsp"
1828 jpegls_decoder_select="dsputil golomb hpeldsp exif"
1829 jpegls_encoder_select="golomb"
1830 jv_decoder_select="dsputil"
1831 lagarith_decoder_select="dsputil"
1832 ljpeg_encoder_select="aandcttables mpegvideoenc"
1833 loco_decoder_select="golomb"
1834 mdec_decoder_select="dsputil error_resilience mpegvideo"
1835 metasound_decoder_select="lsp mdct sinewin"
1836 mimic_decoder_select="dsputil hpeldsp"
1837 mjpeg_decoder_select="dsputil hpeldsp exif"
1838 mjpegb_decoder_select="dsputil hpeldsp exif"
1839 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1840 mlp_decoder_select="dsputil mlp_parser"
1841 motionpixels_decoder_select="dsputil"
1842 mp1_decoder_select="mpegaudio"
1843 mp1float_decoder_select="mpegaudio"
1844 mp2_decoder_select="mpegaudio"
1845 mp2float_decoder_select="mpegaudio"
1846 mp3_decoder_select="mpegaudio"
1847 mp3adu_decoder_select="mpegaudio"
1848 mp3adufloat_decoder_select="mpegaudio"
1849 mp3float_decoder_select="mpegaudio"
1850 mp3on4_decoder_select="mpegaudio"
1851 mp3on4float_decoder_select="mpegaudio"
1852 mpc7_decoder_select="dsputil mpegaudiodsp"
1853 mpc8_decoder_select="dsputil mpegaudiodsp"
1854 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1855 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1856 mpeg1video_decoder_select="error_resilience mpegvideo"
1857 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1858 mpeg2video_decoder_select="error_resilience mpegvideo"
1859 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1860 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1861 mpeg4_encoder_select="h263_encoder"
1862 msmpeg4v1_decoder_select="h263_decoder"
1863 msmpeg4v2_decoder_select="h263_decoder"
1864 msmpeg4v2_encoder_select="h263_encoder"
1865 msmpeg4v3_decoder_select="h263_decoder"
1866 msmpeg4v3_encoder_select="h263_encoder"
1867 mss2_decoder_select="error_resilience vc1_decoder"
1868 mxpeg_decoder_select="dsputil hpeldsp exif"
1869 nellymoser_decoder_select="mdct sinewin"
1870 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1871 nuv_decoder_select="dsputil lzo"
1872 png_decoder_select="zlib"
1873 png_encoder_select="dsputil zlib"
1874 prores_decoder_select="dsputil"
1875 prores_encoder_select="dsputil"
1876 qcelp_decoder_select="lsp"
1877 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1878 ra_144_encoder_select="audio_frame_queue lpc"
1879 ralf_decoder_select="golomb"
1880 rtjpeg_decoder_select="dsputil"
1881 rv10_decoder_select="error_resilience h263_decoder h263dsp"
1882 rv10_encoder_select="h263_encoder"
1883 rv20_decoder_select="error_resilience h263_decoder h263dsp"
1884 rv20_encoder_select="h263_encoder"
1885 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1886 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1887 shorten_decoder_select="golomb"
1888 sipr_decoder_select="lsp"
1889 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
1890 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
1891 sonic_decoder_select="golomb"
1892 sonic_encoder_select="golomb"
1893 sonic_ls_encoder_select="golomb"
1894 sp5x_decoder_select="dsputil hpeldsp exif"
1895 svq1_decoder_select="hpeldsp"
1896 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1897 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1898 svq3_decoder_suggest="error_resilience zlib"
1899 tak_decoder_select="dsputil"
1900 theora_decoder_select="vp3_decoder"
1901 tiff_decoder_suggest="zlib"
1902 tiff_encoder_suggest="zlib"
1903 thp_decoder_select="dsputil hpeldsp exif"
1904 truehd_decoder_select="mlp_parser"
1905 truemotion2_decoder_select="dsputil"
1906 truespeech_decoder_select="dsputil"
1907 tscc_decoder_select="zlib"
1908 twinvq_decoder_select="mdct lsp sinewin"
1909 utvideo_decoder_select="dsputil"
1910 utvideo_encoder_select="dsputil huffman"
1911 vble_decoder_select="dsputil"
1912 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1913 vc1image_decoder_select="vc1_decoder"
1914 vorbis_decoder_select="mdct"
1915 vorbis_encoder_select="mdct"
1916 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1917 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1918 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1919 vp6a_decoder_select="vp6_decoder"
1920 vp6f_decoder_select="vp6_decoder"
1921 vp8_decoder_select="h264pred videodsp"
1922 vp9_decoder_select="videodsp"
1923 webp_decoder_select="vp8_decoder"
1924 wmapro_decoder_select="mdct sinewin"
1925 wmav1_decoder_select="mdct sinewin"
1926 wmav1_encoder_select="mdct sinewin"
1927 wmav2_decoder_select="mdct sinewin"
1928 wmav2_encoder_select="mdct sinewin"
1929 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1930 wmv1_decoder_select="h263_decoder"
1931 wmv1_encoder_select="h263_encoder"
1932 wmv2_decoder_select="h263_decoder videodsp"
1933 wmv2_encoder_select="h263_encoder"
1934 wmv3_decoder_select="vc1_decoder"
1935 wmv3image_decoder_select="wmv3_decoder"
1936 zerocodec_decoder_select="zlib"
1937 zlib_decoder_select="zlib"
1938 zlib_encoder_select="zlib"
1939 zmbv_decoder_select="zlib"
1940 zmbv_encoder_select="zlib"
1942 # hardware accelerators
1943 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1944 dxva2_deps="dxva2api_h"
1945 vaapi_deps="va_va_h"
1946 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1947 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1948 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1950 h263_vaapi_hwaccel_deps="vaapi"
1951 h263_vaapi_hwaccel_select="h263_decoder"
1952 h263_vdpau_hwaccel_deps="vdpau"
1953 h263_vdpau_hwaccel_select="h263_decoder"
1954 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1955 h264_dxva2_hwaccel_deps="dxva2"
1956 h264_dxva2_hwaccel_select="h264_decoder"
1957 h264_vaapi_hwaccel_deps="vaapi"
1958 h264_vaapi_hwaccel_select="h264_decoder"
1959 h264_vda_decoder_deps="vda"
1960 h264_vda_decoder_select="h264_decoder"
1961 h264_vda_hwaccel_deps="vda"
1962 h264_vda_hwaccel_select="h264_decoder"
1963 h264_vdpau_decoder_deps="vdpau"
1964 h264_vdpau_decoder_select="h264_decoder"
1965 h264_vdpau_hwaccel_deps="vdpau"
1966 h264_vdpau_hwaccel_select="h264_decoder"
1967 mpeg_vdpau_decoder_deps="vdpau"
1968 mpeg_vdpau_decoder_select="mpeg2video_decoder"
1969 mpeg1_vdpau_decoder_deps="vdpau"
1970 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
1971 mpeg1_vdpau_hwaccel_deps="vdpau"
1972 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
1973 mpeg2_crystalhd_decoder_select="crystalhd"
1974 mpeg2_dxva2_hwaccel_deps="dxva2"
1975 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
1976 mpeg2_vaapi_hwaccel_deps="vaapi"
1977 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1978 mpeg2_vdpau_hwaccel_deps="vdpau"
1979 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1980 mpeg4_crystalhd_decoder_select="crystalhd"
1981 mpeg4_vaapi_hwaccel_deps="vaapi"
1982 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1983 mpeg4_vdpau_decoder_deps="vdpau"
1984 mpeg4_vdpau_decoder_select="mpeg4_decoder"
1985 mpeg4_vdpau_hwaccel_deps="vdpau"
1986 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
1987 msmpeg4_crystalhd_decoder_select="crystalhd"
1988 vc1_crystalhd_decoder_select="crystalhd"
1989 vc1_dxva2_hwaccel_deps="dxva2"
1990 vc1_dxva2_hwaccel_select="vc1_decoder"
1991 vc1_vaapi_hwaccel_deps="vaapi"
1992 vc1_vaapi_hwaccel_select="vc1_decoder"
1993 vc1_vdpau_decoder_deps="vdpau"
1994 vc1_vdpau_decoder_select="vc1_decoder"
1995 vc1_vdpau_hwaccel_deps="vdpau"
1996 vc1_vdpau_hwaccel_select="vc1_decoder"
1997 wmv3_crystalhd_decoder_select="crystalhd"
1998 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1999 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2000 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2001 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2004 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
2005 hevc_parser_select="hevc_decoder"
2006 mpeg4video_parser_select="error_resilience mpegvideo"
2007 mpegvideo_parser_select="error_resilience mpegvideo"
2008 vc1_parser_select="mpegvideo"
2010 # external libraries
2011 libaacplus_encoder_deps="libaacplus"
2012 libcelt_decoder_deps="libcelt"
2013 libfaac_encoder_deps="libfaac"
2014 libfaac_encoder_select="audio_frame_queue"
2015 libfdk_aac_decoder_deps="libfdk_aac"
2016 libfdk_aac_encoder_deps="libfdk_aac"
2017 libfdk_aac_encoder_select="audio_frame_queue"
2018 libgme_demuxer_deps="libgme"
2019 libgsm_decoder_deps="libgsm"
2020 libgsm_encoder_deps="libgsm"
2021 libgsm_ms_decoder_deps="libgsm"
2022 libgsm_ms_encoder_deps="libgsm"
2023 libilbc_decoder_deps="libilbc"
2024 libilbc_encoder_deps="libilbc"
2025 libmodplug_demuxer_deps="libmodplug"
2026 libmp3lame_encoder_deps="libmp3lame"
2027 libmp3lame_encoder_select="audio_frame_queue"
2028 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2029 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2030 libopencore_amrnb_encoder_select="audio_frame_queue"
2031 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2032 libopenjpeg_decoder_deps="libopenjpeg"
2033 libopenjpeg_encoder_deps="libopenjpeg"
2034 libopus_decoder_deps="libopus"
2035 libopus_encoder_deps="libopus"
2036 libopus_encoder_select="audio_frame_queue"
2037 libquvi_demuxer_deps="libquvi"
2038 libschroedinger_decoder_deps="libschroedinger"
2039 libschroedinger_encoder_deps="libschroedinger"
2040 libshine_encoder_deps="libshine"
2041 libshine_encoder_select="audio_frame_queue"
2042 libspeex_decoder_deps="libspeex"
2043 libspeex_encoder_deps="libspeex"
2044 libspeex_encoder_select="audio_frame_queue"
2045 libstagefright_h264_decoder_deps="libstagefright_h264"
2046 libtheora_encoder_deps="libtheora"
2047 libtwolame_encoder_deps="libtwolame"
2048 libvo_aacenc_encoder_deps="libvo_aacenc"
2049 libvo_aacenc_encoder_select="audio_frame_queue"
2050 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2051 libvorbis_decoder_deps="libvorbis"
2052 libvorbis_encoder_deps="libvorbis"
2053 libvorbis_encoder_select="audio_frame_queue"
2054 libvpx_vp8_decoder_deps="libvpx"
2055 libvpx_vp8_encoder_deps="libvpx"
2056 libvpx_vp9_decoder_deps="libvpx"
2057 libvpx_vp9_encoder_deps="libvpx"
2058 libwavpack_encoder_deps="libwavpack"
2059 libx264_encoder_deps="libx264"
2060 libx264rgb_encoder_deps="libx264"
2061 libxavs_encoder_deps="libxavs"
2062 libxvid_encoder_deps="libxvid"
2063 libutvideo_decoder_deps="libutvideo"
2064 libutvideo_encoder_deps="libutvideo"
2065 libzvbi_teletext_decoder_deps="libzvbi"
2068 ac3_demuxer_select="ac3_parser"
2069 asf_demuxer_select="riffdec"
2070 asf_muxer_select="riffenc"
2071 asf_stream_muxer_select="asf_muxer"
2072 avi_demuxer_select="riffdec"
2073 avi_muxer_select="riffenc"
2074 avisynth_demuxer_deps="avisynth"
2075 avisynth_demuxer_select="riffdec"
2076 caf_demuxer_select="riffdec"
2077 dirac_demuxer_select="dirac_parser"
2078 dts_demuxer_select="dca_parser"
2079 dtshd_demuxer_select="dca_parser"
2080 dxa_demuxer_select="riffdec"
2081 eac3_demuxer_select="ac3_parser"
2082 f4v_muxer_select="mov_muxer"
2083 flac_demuxer_select="flac_parser"
2084 hds_muxer_select="flv_muxer"
2085 hls_muxer_select="mpegts_muxer"
2086 ipod_muxer_select="mov_muxer"
2087 ismv_muxer_select="mov_muxer"
2088 libnut_demuxer_deps="libnut"
2089 libnut_muxer_deps="libnut"
2090 matroska_audio_muxer_select="matroska_muxer"
2091 matroska_demuxer_select="riffdec"
2092 matroska_demuxer_suggest="bzlib lzo zlib"
2093 matroska_muxer_select="riffenc"
2094 mmf_muxer_select="riffenc"
2095 mov_demuxer_select="riffdec"
2096 mov_demuxer_suggest="zlib"
2097 mov_muxer_select="riffenc rtpenc_chain"
2098 mp3_demuxer_select="mpegaudio_parser"
2099 mp4_muxer_select="mov_muxer"
2100 mpegts_muxer_select="adts_muxer latm_muxer"
2101 mpegtsraw_demuxer_select="mpegts_demuxer"
2102 mxf_d10_muxer_select="mxf_muxer"
2103 nut_muxer_select="riffenc"
2104 nuv_demuxer_select="riffdec"
2105 ogg_demuxer_select="golomb"
2106 psp_muxer_select="mov_muxer"
2107 rtp_demuxer_select="sdp_demuxer"
2108 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2109 rtsp_demuxer_select="http_protocol rtpdec"
2110 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2111 sap_demuxer_select="sdp_demuxer"
2112 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2113 sdp_demuxer_select="rtpdec"
2114 smoothstreaming_muxer_select="ismv_muxer"
2115 spdif_muxer_select="aac_parser"
2116 tak_demuxer_select="tak_parser"
2117 tg2_muxer_select="mov_muxer"
2118 tgp_muxer_select="mov_muxer"
2119 vobsub_demuxer_select="mpegps_demuxer"
2120 w64_demuxer_select="wav_demuxer"
2121 w64_muxer_select="wav_muxer"
2122 wav_demuxer_select="riffdec"
2123 wav_muxer_select="riffenc"
2124 webm_muxer_select="riffenc"
2125 wtv_demuxer_select="riffdec"
2126 xmv_demuxer_select="riffdec"
2127 xwma_demuxer_select="riffdec"
2130 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2131 alsa_outdev_deps="alsa_asoundlib_h"
2132 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2133 caca_outdev_deps="libcaca"
2134 dshow_indev_deps="IBaseFilter"
2135 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2136 dv1394_indev_deps="dv1394"
2137 dv1394_indev_select="dv_demuxer"
2138 fbdev_indev_deps="linux_fb_h"
2139 fbdev_outdev_deps="linux_fb_h"
2140 iec61883_indev_deps="libiec61883"
2141 jack_indev_deps="jack_jack_h sem_timedwait"
2142 lavfi_indev_deps="avfilter"
2143 libcdio_indev_deps="libcdio"
2144 libdc1394_indev_deps="libdc1394"
2145 libv4l2_indev_deps="libv4l2"
2146 openal_indev_deps="openal"
2147 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2148 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2149 pulse_indev_deps="libpulse"
2150 pulse_outdev_deps="libpulse"
2151 sdl_outdev_deps="sdl"
2152 sndio_indev_deps="sndio_h"
2153 sndio_outdev_deps="sndio_h"
2154 v4l_indev_deps="linux_videodev_h"
2155 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2156 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2157 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2158 vfwcap_indev_extralibs="-lavicap32"
2159 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2160 xv_outdev_extralibs="-lXv -lX11 -lXext"
2161 x11grab_indev_deps="x11grab"
2164 bluray_protocol_deps="libbluray"
2165 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2166 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2167 ffrtmpcrypt_protocol_select="tcp_protocol"
2168 ffrtmphttp_protocol_deps="!librtmp_protocol"
2169 ffrtmphttp_protocol_select="http_protocol"
2170 ftp_protocol_select="tcp_protocol"
2171 gopher_protocol_select="network"
2172 httpproxy_protocol_select="tcp_protocol"
2173 http_protocol_select="tcp_protocol"
2174 https_protocol_select="tls_protocol"
2175 librtmp_protocol_deps="librtmp"
2176 librtmpe_protocol_deps="librtmp"
2177 librtmps_protocol_deps="librtmp"
2178 librtmpt_protocol_deps="librtmp"
2179 librtmpte_protocol_deps="librtmp"
2180 libssh_protocol_deps="libssh"
2181 mmsh_protocol_select="http_protocol"
2182 mmst_protocol_select="network"
2183 rtmp_protocol_deps="!librtmp_protocol"
2184 rtmp_protocol_select="tcp_protocol"
2185 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2186 rtmps_protocol_deps="!librtmp_protocol"
2187 rtmps_protocol_select="tls_protocol"
2188 rtmpt_protocol_select="ffrtmphttp_protocol"
2189 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2190 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2191 rtp_protocol_select="udp_protocol"
2192 sctp_protocol_deps="struct_sctp_event_subscribe"
2193 sctp_protocol_select="network"
2194 srtp_protocol_select="rtp_protocol"
2195 tcp_protocol_select="network"
2196 tls_protocol_deps_any="openssl gnutls"
2197 tls_protocol_select="tcp_protocol"
2198 udp_protocol_select="network"
2199 unix_protocol_deps="sys_un_h"
2200 unix_protocol_select="network"
2203 aconvert_filter_deps="swresample"
2204 amovie_filter_deps="avcodec avformat"
2205 aresample_filter_deps="swresample"
2206 ass_filter_deps="libass"
2207 asyncts_filter_deps="avresample"
2208 atempo_filter_deps="avcodec"
2209 atempo_filter_select="rdft"
2210 azmq_filter_deps="libzmq"
2211 blackframe_filter_deps="gpl"
2212 boxblur_filter_deps="gpl"
2213 colormatrix_filter_deps="gpl"
2214 cropdetect_filter_deps="gpl"
2215 dctdnoiz_filter_deps="avcodec"
2216 dctdnoiz_filter_select="fft"
2217 delogo_filter_deps="gpl"
2218 deshake_filter_deps="avcodec"
2219 deshake_filter_select="dsputil"
2220 drawtext_filter_deps="libfreetype"
2221 ebur128_filter_deps="gpl"
2222 flite_filter_deps="libflite"
2223 frei0r_filter_deps="frei0r dlopen"
2224 frei0r_filter_extralibs='$ldl'
2225 frei0r_src_filter_deps="frei0r dlopen"
2226 frei0r_src_filter_extralibs='$ldl'
2227 geq_filter_deps="gpl"
2228 histeq_filter_deps="gpl"
2229 hqdn3d_filter_deps="gpl"
2230 interlace_filter_deps="gpl"
2231 kerndeint_filter_deps="gpl"
2232 ladspa_filter_deps="ladspa dlopen"
2233 mcdeint_filter_deps="avcodec gpl"
2234 movie_filter_deps="avcodec avformat"
2235 mp_filter_deps="gpl avcodec swscale inline_asm"
2236 mpdecimate_filter_deps="gpl avcodec"
2237 mptestsrc_filter_deps="gpl"
2238 negate_filter_deps="lut_filter"
2239 perspective_filter_deps="gpl"
2240 resample_filter_deps="avresample"
2241 ocv_filter_deps="libopencv"
2242 owdenoise_filter_deps="gpl"
2243 pan_filter_deps="swresample"
2244 phase_filter_deps="gpl"
2245 pp_filter_deps="gpl postproc"
2246 pullup_filter_deps="gpl"
2247 removelogo_filter_deps="avcodec avformat swscale"
2248 sab_filter_deps="gpl swscale"
2249 scale_filter_deps="swscale"
2250 smartblur_filter_deps="gpl swscale"
2251 showspectrum_filter_deps="avcodec"
2252 showspectrum_filter_select="rdft"
2253 spp_filter_deps="gpl avcodec"
2254 spp_filter_select="fft"
2255 stereo3d_filter_deps="gpl"
2256 subtitles_filter_deps="avformat avcodec libass"
2257 super2xsai_filter_deps="gpl"
2258 tinterlace_filter_deps="gpl"
2259 vidstabdetect_filter_deps="libvidstab"
2260 vidstabtransform_filter_deps="libvidstab"
2261 yadif_filter_deps="gpl"
2262 pixfmts_super2xsai_test_deps="super2xsai_filter"
2263 tinterlace_merge_test_deps="tinterlace_filter"
2264 tinterlace_pad_test_deps="tinterlace_filter"
2265 zmq_filter_deps="libzmq"
2268 avcodec_deps="avutil"
2269 avdevice_deps="avutil avcodec avformat"
2270 avfilter_deps="avutil"
2271 avformat_deps="avutil avcodec"
2272 avresample_deps="avutil"
2273 postproc_deps="avutil gpl"
2274 swscale_deps="avutil"
2277 ffmpeg_deps="avcodec avfilter avformat swresample"
2278 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2280 setpts_filter trim_filter"
2281 ffplay_deps="avcodec avformat swscale swresample sdl"
2282 ffplay_select="rdft crop_filter"
2283 ffprobe_deps="avcodec avformat"
2284 ffserver_deps="avformat fork sarestart"
2285 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2286 ffserver_extralibs='$ldl'
2289 podpages_deps="perl"
2290 manpages_deps="perl pod2man"
2291 htmlpages_deps="texi2html"
2292 txtpages_deps="makeinfo"
2293 doc_deps_any="manpages htmlpages podpages txtpages"
2295 # default parameters
2297 logfile="config.log"
2299 # installation paths
2300 prefix_default="/usr/local"
2301 bindir_default='${prefix}/bin'
2302 datadir_default='${prefix}/share/ffmpeg'
2303 docdir_default='${prefix}/share/doc/ffmpeg'
2304 incdir_default='${prefix}/include'
2305 libdir_default='${prefix}/lib'
2306 mandir_default='${prefix}/share/man'
2307 shlibdir_default="$libdir_default"
2313 host_cc_default="gcc"
2319 pkg_config_default=pkg-config
2321 strip_default="strip"
2322 yasmexe_default="yasm"
2327 arch_default=$(uname -m)
2331 target_os_default=$(tolower $(uname -s))
2332 host_os=$target_os_default
2334 # configurable options
2335 enable $PROGRAM_LIST
2336 enable $DOCUMENT_LIST
2337 enable $(filter_out avresample $LIBRARY_LIST)
2343 enable optimizations
2344 enable runtime_cpudetect
2345 enable safe_bitstream_reader
2347 enable swscale_alpha
2349 # Enable hwaccels by default.
2350 enable dxva2 vaapi vdpau
2353 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2356 FULLNAME='$(NAME)$(BUILDSUF)'
2357 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2360 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2361 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2362 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2363 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2364 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2365 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2385 host_cflags='-O3 -g'
2386 host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
2388 host_cflags_filter=echo
2389 host_ldflags_filter=echo
2391 target_path='$(CURDIR)'
2393 # since the object filename is not given with the -MM flag, the compiler
2394 # is only able to print the basename, and we must add the path ourselves
2395 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2399 if test -f configure; then
2402 source_path=$(cd $(dirname "$0"); pwd)
2403 echo "$source_path" | grep -q '[[:blank:]]' &&
2404 die "Out of tree builds are impossible with whitespace in source path."
2405 test -e "$source_path/config.h" &&
2406 die "Out of tree builds are impossible with config.h in source dir."
2413 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2419 file=$source_path/$3
2420 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2423 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2424 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2425 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2426 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2427 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2428 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2429 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2430 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2431 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2432 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2433 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2449 for n in $COMPONENT_LIST; do
2450 v=$(toupper ${n%s})_LIST
2452 eval ${n}_if_any="\$$v"
2455 enable $ARCH_EXT_LIST
2458 echo "Unknown option \"$1\"."
2459 echo "See $0 --help for available options."
2464 cat | tr ' ' '\n' | sort | pr -r -3 -t
2470 echo $* | sed s/$suffix//g | print_3_columns
2482 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2483 echo "prob ${prob:-0.5}"
2491 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2492 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2502 add_extralibs $optval
2505 disable $INDEV_LIST $OUTDEV_LIST
2508 debuglevel="$optval"
2511 disable $PROGRAM_LIST
2513 --disable-everything)
2514 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2517 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2518 disable $LIBRARY_LIST $PROGRAM_LIST doc
2520 --enable-random|--disable-random)
2521 action=${opt%%-random}
2522 do_random ${action#--} $COMPONENT_LIST
2524 --enable-random=*|--disable-random=*)
2525 action=${opt%%-random=*}
2526 do_random ${action#--} $optval
2528 --enable-*=*|--disable-*=*)
2529 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2530 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2531 eval list=\$$(toupper $thing)_LIST
2532 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2533 list=$(filter "$name" $list)
2534 [ "$list" = "" ] && warn "Option $opt did not match anything"
2537 --enable-?*|--disable-?*)
2538 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2539 if is_in $option $COMPONENT_LIST; then
2540 test $action = disable && action=unset
2541 eval $action \$$(toupper ${option%s})_LIST
2542 elif is_in $option $CMDLINE_SELECT; then
2549 NAME="${opt#--list-}"
2550 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2552 eval show_list $NAME \$$(toupper $NAME)_LIST
2554 --help|-h) show_help
2556 --fatal-warnings) enable fatal_warnings
2559 optname="${opt%%=*}"
2560 optname="${optname#--}"
2561 optname=$(echo "$optname" | sed 's/-/_/g')
2562 if is_in $optname $CMDLINE_SET; then
2563 eval $optname='$optval'
2564 elif is_in $optname $CMDLINE_APPEND; then
2565 append $optname "$optval"
2573 disabled logging && logfile=/dev/null
2575 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2578 test -n "$cross_prefix" && enable cross_compile
2580 if enabled cross_compile; then
2581 test -n "$arch" && test -n "$target_os" ||
2582 die "Must specify target arch and OS when cross-compiling"
2585 ar_default="${cross_prefix}${ar_default}"
2586 cc_default="${cross_prefix}${cc_default}"
2587 cxx_default="${cross_prefix}${cxx_default}"
2588 nm_default="${cross_prefix}${nm_default}"
2589 pkg_config_default="${cross_prefix}${pkg_config_default}"
2590 ranlib="${cross_prefix}${ranlib}"
2591 strip_default="${cross_prefix}${strip_default}"
2593 sysinclude_default="${sysroot}/usr/include"
2595 test -n "$valgrind" && toolchain="valgrind-memcheck"
2597 case "$toolchain" in
2600 add_cflags -fsanitize=address
2601 add_ldflags -fsanitize=address
2605 add_cflags -fsanitize=thread -pie
2606 add_ldflags -fsanitize=thread -pie
2610 add_cflags -fsanitize=address
2611 add_ldflags -fsanitize=address
2615 add_cflags -fsanitize=thread -pie -fPIC
2616 add_ldflags -fsanitize=thread -pie -fPIC
2619 target_exec_default=${valgrind:-"valgrind"}
2620 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
2623 target_exec_default=${valgrind:-"valgrind"}
2624 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2627 # Check whether the current MSVC version needs the C99 converter.
2628 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2629 # support enough of C99 to build ffmpeg, but we still need to use
2630 # c99wrap for passing command line parameters with a space (for
2631 # avoiding msys path mangling/conversion issues). Default to the new
2632 # behaviour if the regexp was unable to match anything, since this
2633 # successfully parses the version number of existing supported
2634 # versions that require the converter (MSVC 2010 and 2012).
2635 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2636 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2637 cc_default="c99wrap -noconv cl"
2639 cc_default="c99wrap cl"
2641 ld_default="c99wrap link"
2642 nm_default="dumpbin -symbols"
2644 target_os_default="win32"
2647 cc_default="c99wrap -noconv icl"
2648 ld_default="c99wrap xilink"
2649 nm_default="dumpbin -symbols"
2651 target_os_default="win32"
2654 add_cflags -fprofile-arcs -ftest-coverage
2655 add_ldflags -fprofile-arcs -ftest-coverage
2658 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2659 add_ldflags -Wl,-z,relro -Wl,-z,now
2662 die "Unknown toolchain $toolchain"
2666 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2667 enabled cross_compile || host_cc_default=$cc
2670 if ! $pkg_config --version >/dev/null 2>&1; then
2671 warn "$pkg_config not found, library detection may fail."
2677 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2681 EXESUF=$(exesuf $target_os)
2682 HOSTEXESUF=$(exesuf $host_os)
2684 # set temporary file name
2685 : ${TMPDIR:=$TEMPDIR}
2689 if [ -n "$tempprefix" ] ; then
2691 echo $tempprefix.${HOSTNAME}.${UID}
2693 elif ! check_cmd mktemp -u XXXXXX; then
2694 # simple replacement for missing mktemp
2695 # NOT SAFE FOR GENERAL USE
2697 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2702 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2703 (set -C; exec > $tmp) 2>/dev/null ||
2704 die "Unable to create temporary file in $TMPDIR."
2705 append TMPFILES $tmp
2709 trap 'rm -f -- $TMPFILES' EXIT
2714 tmpfile TMPE $EXESUF
2725 # make sure we can execute files in $TMPDIR
2726 cat > $TMPSH 2>> $logfile <<EOF
2729 chmod +x $TMPSH >> $logfile 2>&1
2730 if ! $TMPSH >> $logfile 2>&1; then
2732 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2733 variable to another directory and make sure that it is not mounted noexec.
2735 die "Sanity test failed."
2741 -std=c99) echo -c99 ;;
2742 -mcpu=*) echo -arch ${flag#*=} ;;
2743 -mieee) echo -ieee ;;
2744 -O*|-fast) echo $flag ;;
2745 -fno-math-errno) echo -assume nomath_errno ;;
2747 -Wall) echo -msg_enable level2 ;;
2748 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2749 -Wl,*) echo $flag ;;
2759 -Wno-switch) echo -Wno-switch-enum ;;
2760 -Wno-format-zero-length) ;;
2761 -Wdisabled-optimization) ;;
2762 -Wno-pointer-sign) echo -Wno-other ;;
2768 msvc_common_flags(){
2771 # In addition to specifying certain flags under the compiler
2772 # specific filters, they must be specified here as well or else the
2773 # generic catch all at the bottom will print the original flag.
2777 -fomit-frame-pointer) ;;
2781 -fno-signed-zeros) ;;
2785 -lz) echo zlib.lib ;;
2786 -lavifil32) echo vfw32.lib ;;
2787 -lavicap32) echo vfw32.lib user32.lib ;;
2788 -l*) echo ${flag#-l}.lib ;;
2795 msvc_common_flags "$@"
2798 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2799 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2800 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2808 msvc_common_flags "$@"
2811 # Despite what Intel's documentation says -Wall, which is supported
2812 # on Windows, does enable remarks so disable them here.
2813 -Wall) echo $flag -Qdiag-disable:remark ;;
2814 -std=c99) echo -Qstd=c99 ;;
2822 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2823 -fomit-frame-pointer) echo -Mnoframe ;;
2834 case "${flag#*=}" in
2835 native) echo -xtarget=native ;;
2836 v9|niagara) echo -xarch=sparc ;;
2837 ultrasparc) echo -xarch=sparcvis ;;
2838 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2839 i586|pentium) echo -xchip=pentium ;;
2840 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2841 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2842 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2843 pentium4*) echo -xtarget=pentium4 ;;
2844 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2845 *-sse3) echo -xarch=sse3 ;;
2846 core2) echo -xarch=ssse3 -xchip=core2 ;;
2847 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2848 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2849 amdfam10|barcelona) echo -xtarget=barcelona ;;
2850 bdver*) echo -xarch=avx ;;
2851 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2852 k8|opteron|athlon64|athlon-fx)
2853 echo -xarch=sse2a ;;
2854 athlon*) echo -xarch=pentium_proa ;;
2857 -std=c99) echo -xc99 ;;
2858 -fomit-frame-pointer) echo -xregs=frameptr ;;
2859 -fPIC) echo -KPIC -xcode=pic32 ;;
2860 -W*,*) echo $flag ;;
2861 -f*-*|-W*|-mimpure-text) ;;
2872 case "${flag#*=}" in
2873 armv7-a|cortex-a*) echo -mv=7a8 ;;
2874 armv7-r|cortex-r*) echo -mv=7r4 ;;
2875 armv7-m|cortex-m*) echo -mv=7m3 ;;
2876 armv6*|arm11*) echo -mv=6 ;;
2877 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2879 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2882 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2883 -mfpu=vfp) echo --float_support=vfpv2 ;;
2884 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2885 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2886 -msoft-float) echo --float_support=vfplib ;;
2887 -O[0-3]|-mf=*) echo $flag ;;
2889 -pds=*) echo $flag ;;
2890 -D*|-I*) echo $flag ;;
2891 --gcc|--abi=*) echo $flag ;;
2901 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2902 unset _ld_o _ldflags _ld_lib _ld_path
2903 unset _depflags _DEPCMD _DEPFLAGS
2906 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
2907 true # no-op to avoid reading stdin in following checks
2908 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2910 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2911 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2912 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2915 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2917 gcc_version=$($_cc --version | head -n1)
2918 gcc_basever=$($_cc -dumpversion)
2919 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2920 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2921 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2922 if ! $_cc -dumpversion | grep -q '^2\.'; then
2923 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2927 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2929 _ident=$($_cc --version | head -n1)
2934 elif $_cc -v 2>&1 | grep -q xlc; then
2936 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2938 _cflags_size='-O5 -qcompact'
2939 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2941 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2943 _cflags_speed='-fast'
2945 _flags_filter=ccc_flags
2946 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2947 test -d "$sysroot" || die "No valid sysroot specified."
2949 _ident=$($_cc --vsn | head -n1)
2950 armcc_conf="$PWD/armcc.conf"
2951 $_cc --arm_linux_configure \
2952 --arm_linux_config_file="$armcc_conf" \
2953 --configure_sysroot="$sysroot" \
2954 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2955 die "Error creating armcc configuration file."
2956 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2957 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2958 as_default="${cross_prefix}gcc"
2962 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2964 _ident=$($_cc -version | head -n1 | tr -s ' ')
2965 _flags='--gcc --abi=eabi -me'
2968 _depflags='-ppa -ppd=$(@:.o=.d)'
2969 _cflags_speed='-O3 -mf=5'
2970 _cflags_size='-O3 -mf=2'
2971 _flags_filter=tms470_flags
2972 elif $_cc -v 2>&1 | grep -q clang; then
2974 _ident=$($_cc --version | head -n1)
2978 elif $_cc -V 2>&1 | grep -q Sun; then
2980 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2981 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2982 _DEPFLAGS='-xM1 -xc99'
2985 _cflags_size='-O5 -xspace'
2986 _flags_filter=suncc_flags
2987 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2989 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2990 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2993 _flags_filter='filter_out -Wdisabled-optimization'
2994 elif $_cc -v 2>&1 | grep -q Open64; then
2996 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2997 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3000 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3001 elif $_cc -V 2>&1 | grep -q Portland; then
3003 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3004 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3005 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3006 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3008 _flags_filter=pgi_flags
3009 elif $_cc 2>&1 | grep -q Microsoft; then
3011 _ident=$($cc 2>&1 | head -n1)
3012 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3013 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3016 # Nonstandard output options, to avoid msys path conversion issues.
3017 # Relies on wrapper to remap it.
3018 if $_cc 2>&1 | grep -q Linker; then
3025 _flags_filter=msvc_flags
3027 _ld_path='-libpath:'
3029 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3030 if [ $pfx = hostcc ]; then
3031 append _cflags -Dsnprintf=_snprintf
3034 elif $_cc 2>&1 | grep -q Intel; then
3036 _ident=$($cc 2>&1 | head -n1)
3037 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3038 # Not only is O3 broken on 13.x+ but it is slower on all previous
3039 # versions (tested) as well.
3041 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3042 # Nonstandard output options, to avoid msys path conversion issues.
3043 # Relies on wrapper to remap it.
3044 if $_cc 2>&1 | grep -q Linker; then
3051 _flags_filter=icl_flags
3053 _ld_path='-libpath:'
3054 # -Qdiag-error to make icl error when seeing certain unknown arguments
3055 _flags='-nologo -Qdiag-error:4044,10157'
3056 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3057 # with MSVC which enables it by default.
3058 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3059 if [ $pfx = hostcc ]; then
3060 append _cflags -Dsnprintf=_snprintf
3062 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3064 _ident=$($_cc --version | head -n1)
3068 _flags_filter=cparser_flags
3071 eval ${pfx}_type=\$_type
3072 eval ${pfx}_ident=\$_ident
3076 eval ${1}_C=\${_cc_c-\${${1}_C}}
3077 eval ${1}_E=\${_cc_e-\${${1}_E}}
3078 eval ${1}_O=\${_cc_o-\${${1}_O}}
3080 if [ -n "$_depflags" ]; then
3081 eval ${1}_DEPFLAGS=\$_depflags
3083 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3084 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3085 eval DEP${1}FLAGS=\$_flags
3090 cflags_filter=$_flags_filter
3091 cflags_speed=$_cflags_speed
3092 cflags_size=$_cflags_size
3093 cflags_noopt=$_cflags_noopt
3094 add_cflags $_flags $_cflags
3095 cc_ldflags=$_ldflags
3098 probe_cc hostcc "$host_cc"
3099 host_cflags_filter=$_flags_filter
3100 add_host_cflags $_flags $_cflags
3103 test -n "$cc_type" && enable $cc_type ||
3104 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3106 : ${as_default:=$cc}
3107 : ${dep_cc_default:=$cc}
3108 : ${ld_default:=$cc}
3109 : ${host_ld_default:=$host_cc}
3110 set_default ar as dep_cc ld host_ld
3113 asflags_filter=$_flags_filter
3114 add_asflags $_flags $_cflags
3118 ldflags_filter=$_flags_filter
3119 add_ldflags $_flags $_ldflags
3120 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3122 LD_LIB=${_ld_lib-$LD_LIB}
3123 LD_PATH=${_ld_path-$LD_PATH}
3125 probe_cc hostld "$host_ld"
3126 host_ldflags_filter=$_flags_filter
3127 add_host_ldflags $_flags $_ldflags
3128 HOSTLD_O=${_ld_o-$HOSTLD_O}
3130 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3131 probe_cc depcc "$dep_cc"
3132 CCDEP=${_DEPCMD:-$DEPCMD}
3133 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3137 if $ar 2>&1 | grep -q Microsoft; then
3140 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3143 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3144 arflags='-Xany -r -c'
3151 add_cflags $extra_cflags
3152 add_cxxflags $extra_cxxflags
3153 add_asflags $extra_cflags
3155 if test -n "$sysroot"; then
3158 add_cppflags --sysroot="$sysroot"
3159 add_ldflags --sysroot="$sysroot"
3162 add_cppflags -I"$sysinclude"
3163 add_ldflags --sysroot="$sysroot"
3168 if test "$cpu" = host; then
3169 enabled cross_compile &&
3170 die "--cpu=host makes no sense when cross-compiling."
3175 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3177 s/.*$1=\\([^ ]*\\).*/\\1/
3182 cpu=$(check_native -march || check_native -mcpu)
3186 test "${cpu:-host}" = host &&
3187 die "--cpu=host not supported with compiler $cc"
3190 # Deal with common $arch aliases
3204 "Power Macintosh"|ppc*|powerpc*)
3219 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3224 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3227 # Add processor-specific flags
3228 if enabled aarch64; then
3232 cpuflags="-march=$cpu"
3235 cpuflags="-mcpu=$cpu"
3239 elif enabled alpha; then
3241 cpuflags="-mcpu=$cpu"
3243 elif enabled arm; then
3246 check_cpp_condition stddef.h \
3247 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3252 if check_arm_arch 4; then echo armv4;
3253 elif check_arm_arch 4T; then echo armv4t;
3254 elif check_arm_arch 5; then echo armv5;
3255 elif check_arm_arch 5E; then echo armv5e;
3256 elif check_arm_arch 5T; then echo armv5t;
3257 elif check_arm_arch 5TE; then echo armv5te;
3258 elif check_arm_arch 5TEJ; then echo armv5te;
3259 elif check_arm_arch 6; then echo armv6;
3260 elif check_arm_arch 6J; then echo armv6j;
3261 elif check_arm_arch 6K; then echo armv6k;
3262 elif check_arm_arch 6Z; then echo armv6z;
3263 elif check_arm_arch 6ZK; then echo armv6zk;
3264 elif check_arm_arch 6T2; then echo armv6t2;
3265 elif check_arm_arch 7; then echo armv7;
3266 elif check_arm_arch 7A 7_A; then echo armv7-a;
3267 elif check_arm_arch 7R 7_R; then echo armv7-r;
3268 elif check_arm_arch 7M 7_M; then echo armv7-m;
3269 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3270 elif check_arm_arch 8A 8_A; then echo armv8-a;
3274 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3278 cpuflags="-march=$cpu"
3279 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3282 cpuflags="-mcpu=$cpu"
3284 cortex-a*) subarch=armv7a ;;
3285 cortex-r*) subarch=armv7r ;;
3286 cortex-m*) enable thumb; subarch=armv7m ;;
3287 arm11*) subarch=armv6 ;;
3288 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3289 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3290 *) subarch=$(probe_arm_arch) ;;
3296 armv5t*) enable fast_clz ;;
3297 armv[6-8]*) enable fast_clz fast_unaligned ;;
3300 elif enabled avr32; then
3305 cpuflags="-mpart=$cpu"
3309 cpuflags="-march=$cpu"
3313 cpuflags="-mcpu=$cpu"
3317 cpuflags="-march=$cpu"
3321 elif enabled bfin; then
3323 cpuflags="-mcpu=$cpu"
3325 elif enabled mips; then
3327 cpuflags="-march=$cpu"
3343 24kef*|34kf*|1004kf*)
3351 elif enabled ppc; then
3353 case $(tolower $cpu) in
3354 601|ppc601|powerpc601)
3355 cpuflags="-mcpu=601"
3358 603*|ppc603*|powerpc603*)
3359 cpuflags="-mcpu=603"
3362 604*|ppc604*|powerpc604*)
3363 cpuflags="-mcpu=604"
3366 g3|75*|ppc75*|powerpc75*)
3367 cpuflags="-mcpu=750"
3370 g4|745*|ppc745*|powerpc745*)
3371 cpuflags="-mcpu=7450"
3373 74*|ppc74*|powerpc74*)
3374 cpuflags="-mcpu=7400"
3376 g5|970|ppc970|powerpc970)
3377 cpuflags="-mcpu=970"
3380 cpuflags="-mcpu=$cpu"
3383 cpuflags="-mcpu=cell"
3387 cpuflags="-mcpu=e500mc"
3391 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3395 cpuflags="-mcpu=8540 -mhard-float"
3400 elif enabled sparc; then
3403 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3404 cpuflags="-mcpu=$cpu"
3407 ultrasparc*|niagara[234])
3408 cpuflags="-mcpu=$cpu"
3412 elif enabled x86; then
3416 cpuflags="-march=$cpu"
3419 # targets that do NOT support nopl and conditional mov (cmov)
3420 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3421 cpuflags="-march=$cpu"
3424 # targets that do support nopl and conditional mov (cmov)
3425 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*)
3426 cpuflags="-march=$cpu"
3430 # targets that do support conditional mov but on which it's slow
3431 pentium4|pentium4m|prescott|nocona)
3432 cpuflags="-march=$cpu"
3440 if [ "$cpu" != generic ]; then
3441 add_cflags $cpuflags
3442 add_asflags $cpuflags
3445 # compiler sanity check
3447 int main(void){ return 0; }
3449 if test "$?" != 0; then
3450 echo "$cc is unable to create an executable file."
3451 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3452 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3453 echo "Only do this if you know what cross compiling means."
3455 die "C compiler test failed."
3458 add_cppflags -D_ISOC99_SOURCE
3459 add_cxxflags -D__STDC_CONSTANT_MACROS
3460 check_cflags -std=c99
3461 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3464 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3468 check_host_cflags -std=c99
3469 check_host_cflags -Wall
3475 check_code cc "" "int test[2*($expr) - 1]" &&
3476 subarch=$arch64 || subarch=$arch32
3484 check_64bit mips mips64 '_MIPS_SIM > 1'
3488 check_64bit parisc parisc64 'sizeof(void *) > 4'
3492 check_64bit ppc ppc64 'sizeof(void *) > 4'
3496 check_64bit sparc sparc64 'sizeof(void *) > 4'
3500 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3501 if test "$subarch" = "x86_64"; then
3506 check_cc <<EOF && subarch="ppc64"
3507 int test[(int)sizeof(char*) - 7];
3513 enabled spic && enable_weak pic
3519 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3520 enabled shared && add_ldflags -Wl,-brtl
3523 prefix_default="/boot/common"
3524 network_extralibs="-lnetwork"
3528 SHFLAGS='-shared -Wl,-h,$$(@F)'
3529 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3530 network_extralibs="-lsocket -lnsl"
3531 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3532 # When using suncc to build, the Solaris linker will mark
3533 # an executable with each instruction set encountered by
3534 # the Solaris assembler. As our libraries contain their own
3535 # guards for processor-specific code, instead suppress
3536 # generation of the HWCAPS ELF section on Solaris x86 only.
3537 enabled_all suncc x86 &&
3538 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3539 add_ldflags -Wl,-M,mapfile
3540 nm_default='nm -P -g'
3544 oss_indev_extralibs="-lossaudio"
3545 oss_outdev_extralibs="-lossaudio"
3546 enabled gcc || check_ldflags -Wl,-zmuldefs
3551 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3553 oss_indev_extralibs="-lossaudio"
3554 oss_outdev_extralibs="-lossaudio"
3562 add_extralibs -lpoll -lgnugetopt
3566 gas="gas-preprocessor.pl $cc"
3567 enabled ppc && add_asflags -force_cpusubtype_ALL
3568 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3569 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3571 add_ldflags -Wl,-dynamic,-search_paths_first
3573 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3574 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3576 enabled x86_64 && objformat="macho64"
3577 enabled_any pic shared ||
3578 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3581 if test $target_os = "mingw32ce"; then
3587 if enabled x86_64; then
3588 LIBTARGET="i386:x86-64"
3589 elif enabled arm; then
3592 check_ldflags -Wl,--nxcompat
3593 check_ldflags -Wl,--dynamicbase
3594 shlibdir_default="$bindir_default"
3597 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3598 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3599 dlltool="${cross_prefix}dlltool"
3600 if check_cmd lib.exe -list; then
3601 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3602 if enabled x86_64; then
3605 elif check_cmd $dlltool --version; then
3606 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3608 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3610 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3611 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3612 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3618 if enabled shared; then
3619 # Link to the import library instead of the normal static library
3622 # Cannot build both shared and static libs with MSVC or icl.
3625 shlibdir_default="$bindir_default"
3628 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3629 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3630 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3631 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3633 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3634 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3635 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3642 shlibdir_default="$bindir_default"
3645 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3646 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3647 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3649 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3650 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3654 *-dos|freedos|opendos)
3655 network_extralibs="-lsocket"
3658 add_cppflags -U__STRICT_ANSI__
3665 ranlib="echo ignoring ranlib"
3671 add_cppflags -D_GNU_SOURCE
3672 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3673 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3677 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3678 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3679 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3680 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3681 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3682 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3683 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3684 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3685 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3686 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3687 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3689 enable_weak os2threads
3692 add_cppflags -D_BSD_SOURCE
3697 add_cppflags -D_QNX_SOURCE
3698 network_extralibs="-lsocket"
3703 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3704 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3705 add_ldflags -Wl,--target1-abs,--no-undefined \
3706 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3707 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3708 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3709 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3710 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3713 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3718 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3719 -D_REENTRANT_SOURCE \
3720 -D_RESEARCH_SOURCE \
3723 add_compat strtod.o strtod=avpriv_strtod
3724 network_extralibs='-lbsd'
3725 exeobjs=compat/plan9/main.o
3732 die "Unknown OS '$target_os'."
3736 # determine libc flavour
3738 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3739 if check_cpp_condition features.h "defined __UCLIBC__"; then
3741 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3742 elif check_cpp_condition features.h "defined __GLIBC__"; then
3744 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3745 # MinGW headers can be installed on Cygwin, so check for newlib first.
3746 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3748 add_cppflags -U__STRICT_ANSI__
3749 elif check_header _mingw.h; then
3751 check_cpp_condition _mingw.h \
3752 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3753 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3754 die "ERROR: MinGW runtime version must be >= 3.15."
3755 add_cppflags -U__STRICT_ANSI__
3756 if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3757 __MINGW64_VERSION_MAJOR < 3"; then
3758 add_compat msvcrt/snprintf.o
3759 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3761 add_cppflags -D__USE_MINGW_ANSI_STDIO=1
3763 elif check_func_headers stdlib.h _get_doserrno; then
3765 add_compat strtod.o strtod=avpriv_strtod
3766 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3767 _snprintf=avpriv_snprintf \
3768 vsnprintf=avpriv_vsnprintf
3769 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3770 # 0x601 by default unless something else is set by the user.
3771 # This can easily lead to us detecting functions only present
3772 # in such new versions and producing binaries requiring windows 7.0.
3773 # Therefore explicitly set the default to XP unless the user has
3774 # set something else on the command line.
3775 check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
3776 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3778 elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3780 add_compat strtod.o strtod=avpriv_strtod
3783 test -n "$libc_type" && enable $libc_type
3785 # hacks for compiler/libc/os combinations
3787 if enabled_all tms470 glibc; then
3788 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3789 add_cppflags -D__USER_LABEL_PREFIX__=
3790 add_cppflags -D__builtin_memset=memset
3791 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3792 add_cflags -pds=48 # incompatible redefinition of macro
3795 if enabled_all ccc glibc; then
3796 add_ldflags -Wl,-z,now # calls to libots crash without this
3800 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3803 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3805 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3807 set_default $PATHS_LIST
3810 # we need to build at least one lib type
3811 if ! enabled_any static shared; then
3813 At least one library type must be built.
3814 Specify --enable-static to build the static libraries or --enable-shared to
3815 build the shared libraries as well. To only build the shared libraries specify
3816 --disable-static in addition to --enable-shared.
3821 # backward compatibility layer for incompatible_libav/fork_abi
3822 enabled incompatible_fork_abi && enable incompatible_libav_abi
3823 enabled incompatible_libav_abi && enable incompatible_fork_abi
3825 die_license_disabled() {
3826 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3829 die_license_disabled_gpl() {
3830 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3833 die_license_disabled gpl frei0r
3834 die_license_disabled gpl libcdio
3835 die_license_disabled gpl libutvideo
3836 die_license_disabled gpl libvidstab
3837 die_license_disabled gpl libx264
3838 die_license_disabled gpl libxavs
3839 die_license_disabled gpl libxvid
3840 die_license_disabled gpl libzvbi
3841 die_license_disabled gpl x11grab
3843 die_license_disabled nonfree libaacplus
3844 die_license_disabled nonfree libfaac
3845 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3846 enabled gpl && die_license_disabled_gpl nonfree openssl
3848 die_license_disabled version3 libopencore_amrnb
3849 die_license_disabled version3 libopencore_amrwb
3850 die_license_disabled version3 libvo_aacenc
3851 die_license_disabled version3 libvo_amrwbenc
3853 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3855 disabled optimizations || check_cflags -fomit-frame-pointer
3858 disabled pic && return
3861 case "$target_os" in
3871 enabled pic && enable_weak_pic
3873 check_cc <<EOF || die "Symbol mangling check failed."
3876 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3877 extern_prefix=${sym%%ff_extern*}
3879 check_cc <<EOF && enable_weak inline_asm
3880 void foo(void) { __asm__ volatile ("" ::); }
3884 for restrict_keyword in restrict __restrict__ __restrict; do
3885 check_cc <<EOF && _restrict=$restrict_keyword && break
3886 void foo(char * $restrict_keyword p);
3890 check_cc <<EOF && enable pragma_deprecated
3891 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3894 check_cc <<EOF && enable attribute_packed
3895 struct { int x; } __attribute__((packed)) x;
3898 check_cc <<EOF && enable attribute_may_alias
3899 union { int x; } __attribute__((may_alias)) x;
3902 check_cc <<EOF || die "endian test failed"
3903 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3905 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3907 check_inline_asm inline_asm_labels '"1:\n"'
3909 if enabled alpha; then
3913 elif enabled arm; then
3915 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
3916 float func(float a, float b){ return a+b; }
3919 enabled thumb && check_cflags -mthumb || check_cflags -marm
3922 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3924 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3925 case "${cross_prefix:-$cc}" in
3926 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3927 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3928 __asm__ (".eabi_attribute 28, 1");
3929 int main(void) { return 0; }
3932 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3935 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3936 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3937 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3938 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
3939 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
3940 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3942 [ $target_os = linux ] ||
3943 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3946 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3947 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3949 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
3951 elif enabled mips; then
3953 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3954 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3955 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
3956 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3957 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3958 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3959 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3960 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3961 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
3963 elif enabled parisc; then
3965 if enabled gcc; then
3966 case $($cc -dumpversion) in
3967 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3971 elif enabled ppc; then
3973 enable local_aligned_8 local_aligned_16
3975 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3976 check_inline_asm ibm_asm '"add 0, 0, 0"'
3977 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3978 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3980 # AltiVec flags: The FSF version of GCC differs from the Apple version
3981 if enabled altivec; then
3982 if ! enabled_any pic ppc64; then
3985 check_cflags -maltivec -mabi=altivec &&
3986 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3987 check_cflags -faltivec
3989 # check if our compiler supports Motorola AltiVec C API
3990 check_cc <<EOF || disable altivec
3993 vector signed int v1 = (vector signed int) { 0 };
3994 vector signed int v2 = (vector signed int) { 1 };
3995 v1 = vec_add(v1, v2);
4000 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4003 elif enabled sparc; then
4005 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
4007 elif enabled x86; then
4009 check_builtin rdtsc intrin.h "__rdtsc()"
4010 check_builtin mm_empty mmintrin.h "_mm_empty()"
4012 enable local_aligned_8 local_aligned_16
4014 # check whether EBP is available on x86
4015 # As 'i' is stored on the stack, this program will crash
4016 # if the base pointer is used to access it because the
4017 # base pointer is cleared in the inline assembly code.
4018 check_exec_crash <<EOF && enable ebp_available
4020 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4024 # check whether EBX is available on x86
4025 check_inline_asm ebx_available '""::"b"(0)' &&
4026 check_inline_asm ebx_available '"":::"%ebx"'
4028 # check whether xmm clobbers are supported
4029 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4031 # check whether binutils is new enough to compile SSSE3/MMXEXT
4032 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4033 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4035 if ! disabled_any asm mmx yasm; then
4036 if check_cmd $yasmexe --version; then
4037 enabled x86_64 && yasm_extra="-m amd64"
4038 yasm_debug="-g dwarf2"
4039 elif check_cmd nasm -v; then
4041 yasm_debug="-g -F dwarf"
4042 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4045 YASMFLAGS="-f $objformat $yasm_extra"
4046 enabled pic && append YASMFLAGS "-DPIC"
4047 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4048 case "$objformat" in
4049 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4052 check_yasm "movbe ecx, [5]" && enable yasm ||
4053 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4054 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4055 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4056 check_yasm "CPU amdnop" && enable cpunop
4060 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4067 if enabled asm; then
4069 check_as <<EOF && enable gnu_as || \
4070 $nogas "GNU assembler not found, install gas-preprocessor"
4078 check_ldflags -Wl,--as-needed
4080 if check_func dlopen; then
4082 elif check_func dlopen -ldl; then
4086 if ! disabled network; then
4087 check_type "sys/types.h sys/socket.h" socklen_t
4088 check_type netdb.h "struct addrinfo"
4089 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4090 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4091 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4092 check_type netinet/in.h "struct sockaddr_in6"
4093 check_type poll.h "struct pollfd"
4094 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4095 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4096 check_type netinet/sctp.h "struct sctp_event_subscribe"
4097 check_func getaddrinfo $network_extralibs
4098 check_func getservbyport $network_extralibs
4099 # Prefer arpa/inet.h over winsock2
4100 if check_header arpa/inet.h ; then
4101 check_func closesocket
4102 elif check_header winsock2.h ; then
4103 check_func_headers winsock2.h closesocket -lws2 &&
4104 network_extralibs="-lws2" ||
4105 { check_func_headers winsock2.h closesocket -lws2_32 &&
4106 network_extralibs="-lws2_32"; }
4107 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4108 check_type ws2tcpip.h socklen_t
4109 check_type ws2tcpip.h "struct addrinfo"
4110 check_type ws2tcpip.h "struct group_source_req"
4111 check_type ws2tcpip.h "struct ip_mreq_source"
4112 check_type ws2tcpip.h "struct ipv6_mreq"
4113 check_type winsock2.h "struct pollfd"
4114 check_type ws2tcpip.h "struct sockaddr_in6"
4115 check_type ws2tcpip.h "struct sockaddr_storage"
4116 check_struct winsock2.h "struct sockaddr" sa_len
4122 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4123 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4126 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4129 check_func_headers stdlib.h getenv
4130 check_func gethrtime
4132 check_func getrusage
4133 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4134 check_func gettimeofday
4135 check_func inet_aton $network_extralibs
4137 check_func localtime_r
4138 check_func ${malloc_prefix}memalign && enable memalign
4142 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4143 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4144 check_func setrlimit
4145 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4146 check_func strerror_r
4147 check_func sched_getaffinity
4148 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4149 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4150 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4151 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4152 check_builtin sarestart signal.h "SA_RESTART"
4156 check_func_headers conio.h kbhit
4157 check_func_headers windows.h PeekNamedPipe
4158 check_func_headers io.h setmode
4159 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4160 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4161 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4162 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4163 check_func_headers windows.h GetProcessAffinityMask
4164 check_func_headers windows.h GetProcessTimes
4165 check_func_headers windows.h GetSystemTimeAsFileTime
4166 check_func_headers windows.h MapViewOfFile
4167 check_func_headers windows.h SetConsoleTextAttribute
4168 check_func_headers windows.h Sleep
4169 check_func_headers windows.h VirtualAlloc
4170 check_func_headers glob.h glob
4171 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4173 check_header cl/cl.h
4174 check_header direct.h
4175 check_header dlfcn.h
4177 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4179 check_header libcrystalhd/libcrystalhd_if.h
4180 check_header malloc.h
4182 check_header sys/mman.h
4183 check_header sys/param.h
4184 check_header sys/resource.h
4185 check_header sys/select.h
4186 check_header sys/time.h
4187 check_header sys/un.h
4188 check_header termios.h
4189 check_header unistd.h
4190 check_header vdpau/vdpau.h
4191 check_header vdpau/vdpau_x11.h
4192 check_header VideoDecodeAcceleration/VDADecoder.h
4193 check_header windows.h
4194 check_header X11/extensions/XvMClib.h
4195 check_header asm/types.h
4197 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4198 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4200 if ! disabled w32threads && ! enabled pthreads; then
4201 check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
4204 # check for some common methods of building with pthread support
4205 # do this before the optional library checks as some of them require pthreads
4206 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4208 if check_func pthread_create; then
4210 elif check_func pthread_create -pthread; then
4212 add_extralibs -pthread
4213 elif check_func pthread_create -pthreads; then
4214 add_cflags -pthreads
4215 add_extralibs -pthreads
4216 elif check_func pthread_create -lpthreadGC2; then
4217 add_extralibs -lpthreadGC2
4218 elif ! check_lib pthread.h pthread_create -lpthread; then
4223 for thread in $THREADS_LIST; do
4224 if enabled $thread; then
4225 test -n "$thread_type" &&
4226 die "ERROR: Only one thread type must be selected." ||
4227 thread_type="$thread"
4231 if enabled pthreads; then
4232 check_func pthread_cancel
4235 enabled sync_val_compare_and_swap && enable atomics_gcc
4236 enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc
4237 enabled MemoryBarrier && enable atomics_win32
4239 check_lib math.h sin -lm && LIBM="-lm"
4240 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4246 for func in $MATH_FUNCS; do
4247 eval check_mathfunc $func \${${func}_args:-1}
4250 # these are off by default, so fail if requested and not available
4251 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4252 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4253 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4254 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4255 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4256 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4257 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4258 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4259 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4260 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4261 enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
4262 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4263 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4264 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4265 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4266 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4267 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4268 flite_libs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"
4269 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4270 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
4271 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4272 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4273 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4274 done || die "ERROR: libgsm not found"; }
4275 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4276 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4277 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4278 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4279 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4280 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4281 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4282 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4283 check_lib openjpeg.h opj_version -lopenjpeg ||
4284 die "ERROR: libopenjpeg not found"; }
4285 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4286 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4287 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4288 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4289 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4290 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4291 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4292 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4293 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4294 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4295 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4296 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4297 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4298 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4299 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4300 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4301 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4302 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4303 enabled libvidstab && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit
4304 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4305 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4306 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4308 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4309 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4310 enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
4311 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4312 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4313 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
4314 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4315 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4316 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4317 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4318 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4319 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4320 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4321 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4322 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4323 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4324 die "ERROR: openal not found"; } &&
4325 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4326 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4327 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4328 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4329 die "ERROR: opencl not found"; } &&
4330 { ! enabled_any w32threads os2threads ||
4331 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4332 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4333 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4334 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4335 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4336 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4337 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4338 die "ERROR: openssl not found"; }
4340 if enabled gnutls; then
4341 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4342 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4346 if enabled libdc1394; then
4347 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4348 enable libdc1394_2; } ||
4349 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4350 enable libdc1394_1; } ||
4351 die "ERROR: No version of libdc1394 found "
4354 SDL_CONFIG="${cross_prefix}sdl-config"
4355 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4356 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4357 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4360 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4361 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4362 sdl_libs=$("${SDL_CONFIG}" --libs)
4363 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4364 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4365 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4369 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4371 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4372 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4373 perl --version > /dev/null 2>&1 && enable perl || disable perl
4374 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4375 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4377 check_header linux/fb.h
4378 check_header linux/videodev.h
4379 check_header linux/videodev2.h
4380 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4382 check_header sys/videoio.h
4384 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4385 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4386 # w32api 3.12 had it defined wrong
4387 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4389 check_type "dshow.h" IBaseFilter
4391 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4392 { check_header dev/bktr/ioctl_meteor.h &&
4393 check_header dev/bktr/ioctl_bt848.h; } ||
4394 { check_header machine/ioctl_meteor.h &&
4395 check_header machine/ioctl_bt848.h; } ||
4396 { check_header dev/video/meteor/ioctl_meteor.h &&
4397 check_header dev/video/bktr/ioctl_bt848.h; } ||
4398 check_header dev/ic/bt8xx.h
4400 check_header sndio.h
4401 if check_struct sys/soundcard.h audio_buf_info bytes; then
4402 enable_safe sys/soundcard.h
4404 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4405 #include <sys/soundcard.h>
4409 check_header soundcard.h
4411 enabled_any alsa_indev alsa_outdev &&
4412 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4414 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4415 check_func jack_port_get_latency_range -ljack
4417 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4419 if enabled libcdio; then
4420 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4421 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4422 die "ERROR: libcdio-paranoia not found"
4426 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
4427 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4428 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
4431 check_lib va/va.h vaInitialize -lva ||
4435 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4438 # Funny iconv installations are not unusual, so check it after all flags have been set
4439 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4441 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4443 # add some useful compiler flags if supported
4444 check_cflags -Wdeclaration-after-statement
4446 check_cflags -Wdisabled-optimization
4447 check_cflags -Wpointer-arith
4448 check_cflags -Wredundant-decls
4449 check_cflags -Wwrite-strings
4450 check_cflags -Wtype-limits
4451 check_cflags -Wundef
4452 check_cflags -Wmissing-prototypes
4453 check_cflags -Wno-pointer-to-int-cast
4454 check_cflags -Wstrict-prototypes
4455 enabled extra_warnings && check_cflags -Winline
4457 check_disable_warning(){
4458 warning_flag=-W${1#-Wno-}
4459 test_cflags $warning_flag && add_cflags $1
4462 check_disable_warning -Wno-parentheses
4463 check_disable_warning -Wno-switch
4464 check_disable_warning -Wno-format-zero-length
4465 check_disable_warning -Wno-pointer-sign
4467 # add some linker flags
4468 check_ldflags -Wl,--warn-common
4469 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4470 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4472 enabled xmm_clobber_test &&
4473 check_ldflags -Wl,--wrap,avcodec_open2 \
4474 -Wl,--wrap,avcodec_decode_audio4 \
4475 -Wl,--wrap,avcodec_decode_video2 \
4476 -Wl,--wrap,avcodec_decode_subtitle2 \
4477 -Wl,--wrap,avcodec_encode_audio2 \
4478 -Wl,--wrap,avcodec_encode_video \
4479 -Wl,--wrap,avcodec_encode_video2 \
4480 -Wl,--wrap,avcodec_encode_subtitle \
4481 -Wl,--wrap,sws_scale ||
4482 disable xmm_clobber_test
4485 if test_ldflags -Wl,--version-script,$TMPV; then
4486 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4487 check_cc <<EOF && enable symver_asm_label
4488 void ff_foo(void) __asm__ ("av_foo@VERSION");
4489 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4491 check_cc <<EOF && enable symver_gnu_asm
4492 __asm__(".symver ff_foo,av_foo@VERSION");
4493 void ff_foo(void) {}
4497 if [ -z "$optflags" ]; then
4498 if enabled small; then
4499 optflags=$cflags_size
4500 elif enabled optimizations; then
4501 optflags=$cflags_speed
4503 optflags=$cflags_noopt
4509 enabled lto && check_ldflags "$@"
4513 if enabled lto; then
4514 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4516 check_ldflags -flto $cpuflags
4519 check_optflags $optflags
4520 check_optflags -fno-math-errno
4521 check_optflags -fno-signed-zeros
4523 enabled ftrapv && check_cflags -ftrapv
4525 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4530 if enabled icc; then
4531 # Just warnings, no remarks
4533 # -wd: Disable following warnings
4534 # 144, 167, 556: -Wno-pointer-sign
4535 # 188: enumerated type mixed with another type
4536 # 1292: attribute "foo" ignored
4537 # 1419: external declaration in primary source file
4538 # 10006: ignoring unknown option -fno-signed-zeros
4539 # 10148: ignoring unknown option -Wno-parentheses
4540 # 10156: ignoring option '-W'; no argument required
4541 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4542 # 11030: Warning unknown option --as-needed
4543 # 10156: ignoring option '-export'; no argument required
4544 check_ldflags -wd10156,11030
4545 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4546 enable ebp_available
4547 if enabled x86_32; then
4548 icc_version=$($cc -dumpversion)
4549 test ${icc_version%%.*} -ge 11 &&
4550 check_cflags -falign-stack=maintain-16-byte ||
4551 disable aligned_stack
4553 elif enabled ccc; then
4554 # disable some annoying warnings
4555 add_cflags -msg_disable bitnotint
4556 add_cflags -msg_disable mixfuncvoid
4557 add_cflags -msg_disable nonstandcast
4558 add_cflags -msg_disable unsupieee
4559 elif enabled gcc; then
4560 check_optflags -fno-tree-vectorize
4561 check_cflags -Werror=implicit-function-declaration
4562 check_cflags -Werror=missing-prototypes
4563 check_cflags -Werror=return-type
4564 check_cflags -Werror=vla
4565 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4566 elif enabled llvm_gcc; then
4567 check_cflags -mllvm -stack-alignment=16
4568 elif enabled clang; then
4569 check_cflags -mllvm -stack-alignment=16
4570 check_cflags -Qunused-arguments
4571 check_cflags -Werror=implicit-function-declaration
4572 check_cflags -Werror=missing-prototypes
4573 check_cflags -Werror=return-type
4574 elif enabled cparser; then
4575 add_cflags -Wno-missing-variable-declarations
4576 add_cflags -Wno-empty-statement
4577 elif enabled armcc; then
4578 # 2523: use of inline assembler is deprecated
4579 add_cflags -W${armcc_opt},--diag_suppress=2523
4580 add_cflags -W${armcc_opt},--diag_suppress=1207
4581 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4582 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4583 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4584 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4585 elif enabled tms470; then
4586 add_cflags -pds=824 -pds=837
4587 elif enabled pathscale; then
4588 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4589 elif enabled_any msvc icl; then
4590 enabled x86_32 && disable aligned_stack
4591 enabled_all x86_32 debug && add_cflags -Oy-
4592 enabled debug && add_ldflags -debug
4593 enable pragma_deprecated
4594 if enabled icl; then
4595 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4596 # (correctly) on icl 13.x.
4597 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4598 add_cflags -Qansi-alias
4599 # icl will pass the inline asm tests but inline asm is currently
4600 # not supported (build will fail)
4601 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
4608 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4611 add_cppflags -Dmain=plan9_main
4615 enable frame_thread_encoder
4616 enabled_any $THREADS_LIST && enable threads
4617 enabled_any $ATOMICS_LIST && enable atomics_native
4619 enabled threads && ! enabled pthreads && ! enabled atomics_native && die "non pthread threading without atomics not supported, try adding --enable-pthreads or --cpu=i486 or higher if you are on x86"
4621 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4623 check_deps $CONFIG_LIST \
4629 if test $target_os = "haiku"; then
4631 disable posix_memalign
4634 ! enabled_any memalign posix_memalign aligned_malloc &&
4635 enabled_any $need_memalign && enable memalign_hack
4638 # -> enable ${lib}_deps_${dep}
4639 # -> add $dep to ${lib}_deps only once
4643 enabled "${lib}_deps_${dep}" && return 0
4644 enable "${lib}_deps_${dep}"
4645 prepend "${lib}_deps" $dep
4648 # merge deps lib components
4649 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4654 enabled $comp || continue
4655 eval "dep=\"\$${comp}_deps\""
4662 merge_deps libavfilter $FILTER_LIST
4664 echo "install prefix $prefix"
4665 echo "source path $source_path"
4666 echo "C compiler $cc"
4667 echo "ARCH $arch ($cpu)"
4668 if test "$build_suffix" != ""; then
4669 echo "build suffix $build_suffix"
4671 if test "$progs_suffix" != ""; then
4672 echo "progs suffix $progs_suffix"
4674 if test "$extra_version" != ""; then
4675 echo "version string suffix $extra_version"
4677 echo "big-endian ${bigendian-no}"
4678 echo "runtime cpu detection ${runtime_cpudetect-no}"
4679 if enabled x86; then
4680 echo "${yasmexe} ${yasm-no}"
4681 echo "MMX enabled ${mmx-no}"
4682 echo "MMXEXT enabled ${mmxext-no}"
4683 echo "3DNow! enabled ${amd3dnow-no}"
4684 echo "3DNow! extended enabled ${amd3dnowext-no}"
4685 echo "SSE enabled ${sse-no}"
4686 echo "SSSE3 enabled ${ssse3-no}"
4687 echo "AVX enabled ${avx-no}"
4688 echo "FMA4 enabled ${fma4-no}"
4689 echo "i686 features enabled ${i686-no}"
4690 echo "CMOV is fast ${fast_cmov-no}"
4691 echo "EBX available ${ebx_available-no}"
4692 echo "EBP available ${ebp_available-no}"
4694 if enabled arm; then
4695 echo "ARMv5TE enabled ${armv5te-no}"
4696 echo "ARMv6 enabled ${armv6-no}"
4697 echo "ARMv6T2 enabled ${armv6t2-no}"
4698 echo "VFP enabled ${vfp-no}"
4699 echo "NEON enabled ${neon-no}"
4700 echo "THUMB enabled ${thumb-no}"
4702 if enabled mips; then
4703 echo "MIPS FPU enabled ${mipsfpu-no}"
4704 echo "MIPS32R2 enabled ${mips32r2-no}"
4705 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
4706 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
4708 if enabled ppc; then
4709 echo "AltiVec enabled ${altivec-no}"
4710 echo "PPC 4xx optimizations ${ppc4xx-no}"
4711 echo "dcbzl available ${dcbzl-no}"
4713 if enabled sparc; then
4714 echo "VIS enabled ${vis-no}"
4716 echo "debug symbols ${debug-no}"
4717 echo "strip symbols ${stripping-no}"
4718 echo "optimize for size ${small-no}"
4719 echo "optimizations ${optimizations-no}"
4720 echo "static ${static-no}"
4721 echo "shared ${shared-no}"
4722 echo "postprocessing support ${postproc-no}"
4723 echo "new filter support ${avfilter-no}"
4724 echo "network support ${network-no}"
4725 echo "threading support ${thread_type-no}"
4726 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4727 echo "SDL support ${sdl-no}"
4728 echo "opencl enabled ${opencl-no}"
4729 echo "libzvbi enabled ${libzvbi-no}"
4730 echo "texi2html enabled ${texi2html-no}"
4731 echo "perl enabled ${perl-no}"
4732 echo "pod2man enabled ${pod2man-no}"
4733 echo "makeinfo enabled ${makeinfo-no}"
4734 test -n "$random_seed" &&
4735 echo "random seed ${random_seed}"
4738 echo "External libraries:"
4739 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4742 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4743 echo "Enabled ${type}s:"
4744 eval list=\$$(toupper $type)_LIST
4745 print_enabled '_*' $list | print_3_columns
4749 license="LGPL version 2.1 or later"
4750 if enabled nonfree; then
4751 license="nonfree and unredistributable"
4752 elif enabled gplv3; then
4753 license="GPL version 3 or later"
4754 elif enabled lgplv3; then
4755 license="LGPL version 3 or later"
4756 elif enabled gpl; then
4757 license="GPL version 2 or later"
4760 echo "License: $license"
4762 echo "Creating config.mak, config.h, and doc/config.texi..."
4764 test -e Makefile || echo "include $source_path/Makefile" > Makefile
4766 enabled stripping || strip="echo skipping strip"
4768 config_files="$TMPH config.mak doc/config.texi"
4770 cat > config.mak <<EOF
4771 # Automatically generated by configure - do not modify!
4772 ifndef FFMPEG_CONFIG_MAK
4774 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4776 LIBDIR=\$(DESTDIR)$libdir
4777 SHLIBDIR=\$(DESTDIR)$shlibdir
4778 INCDIR=\$(DESTDIR)$incdir
4779 BINDIR=\$(DESTDIR)$bindir
4780 DATADIR=\$(DESTDIR)$datadir
4781 DOCDIR=\$(DESTDIR)$docdir
4782 MANDIR=\$(DESTDIR)$mandir
4783 SRC_PATH=$source_path
4784 ifndef MAIN_MAKEFILE
4785 SRC_PATH:=\$(SRC_PATH:.%=..%)
4794 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4796 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4822 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4823 YASMFLAGS=$YASMFLAGS
4824 BUILDSUF=$build_suffix
4825 PROGSSUF=$progs_suffix
4833 EXTRA_VERSION=$extra_version
4836 CCDEP_FLAGS=$CCDEP_FLAGS
4838 ASDEP_FLAGS=$ASDEP_FLAGS
4839 CC_DEPFLAGS=$CC_DEPFLAGS
4840 AS_DEPFLAGS=$AS_DEPFLAGS
4843 HOSTCFLAGS=$host_cflags
4844 HOSTCPPFLAGS=$host_cppflags
4845 HOSTEXESUF=$HOSTEXESUF
4846 HOSTLDFLAGS=$host_ldflags
4849 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4850 HOSTCCDEP=$HOSTCCDEP
4851 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4852 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4856 TARGET_EXEC=$target_exec $target_exec_args
4857 TARGET_PATH=$target_path
4858 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
4859 LIBS-ffplay=$sdl_libs
4860 CFLAGS-ffplay=$sdl_cflags
4861 ZLIB=$($ldflags_filter -lz)
4862 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4863 EXTRALIBS=$extralibs
4864 COMPAT_OBJS=$compat_objs
4867 LIBTARGET=${LIBTARGET}
4868 SLIBNAME=${SLIBNAME}
4869 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4870 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4871 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4872 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4873 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4874 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4875 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4876 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4877 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4878 NOREDZONE_FLAGS=$noredzone_flags
4883 name=$(toupper $lcname)
4884 file=$source_path/$lcname/version.h
4885 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
4886 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4887 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4888 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4889 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
4892 map 'get_version $v' $LIBRARY_LIST
4895 /* Automatically generated by configure - do not modify! */
4896 #ifndef FFMPEG_CONFIG_H
4897 #define FFMPEG_CONFIG_H
4898 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4899 #define FFMPEG_LICENSE "$(c_escape $license)"
4900 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4901 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4902 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4903 #define av_restrict $_restrict
4904 #define EXTERN_PREFIX "${extern_prefix}"
4905 #define EXTERN_ASM ${extern_prefix}
4906 #define SLIBSUF "$SLIBSUF"
4907 #define HAVE_MMX2 HAVE_MMXEXT
4910 test -n "$assert_level" &&
4911 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4913 test -n "$malloc_prefix" &&
4914 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4916 if enabled yasm; then
4917 append config_files $TMPASM
4921 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
4925 echo "@c auto-generated by configure" > doc/config.texi
4927 print_config ARCH_ "$config_files" $ARCH_LIST
4928 print_config HAVE_ "$config_files" $HAVE_LIST
4929 print_config CONFIG_ "$config_files" $CONFIG_LIST \
4933 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4934 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4936 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4937 cp_if_changed $TMPH config.h
4940 enabled yasm && cp_if_changed $TMPASM config.asm
4943 /* Generated by ffconf */
4944 #ifndef AVUTIL_AVCONFIG_H
4945 #define AVUTIL_AVCONFIG_H
4948 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4950 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4952 cp_if_changed $TMPH libavutil/avconfig.h
4954 if test -n "$WARNINGS"; then
4955 printf "\n$WARNINGS"
4956 enabled fatal_warnings && exit 1
4959 # build pkg-config files
4961 pkgconfig_generate(){
4963 shortname=${name#lib}${build_suffix}
4968 enabled ${name#lib} || return 0
4970 cat <<EOF > $name/$name${build_suffix}.pc
4972 exec_prefix=\${prefix}
4977 Description: $comment
4979 Requires: $(enabled shared || echo $requires)
4980 Requires.private: $(enabled shared && echo $requires)
4982 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4983 Libs.private: $(enabled shared && echo $libs)
4984 Cflags: -I\${includedir}
4987 mkdir -p doc/examples/pc-uninstalled
4988 includedir=${source_path}
4989 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4990 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4993 libdir=\${pcfiledir}/../../../$name
4994 includedir=${includedir}
4997 Description: $comment
5001 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5002 Cflags: -I\${includedir}
5006 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5007 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
5008 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
5009 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
5010 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
5011 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
5012 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
5013 lavfi_libs=${lavfi_libs%, }
5015 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
5016 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
5018 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5019 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5020 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
5021 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
5022 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
5023 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5024 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5025 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5026 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5028 fix_ffmpeg_remote(){
5031 fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
5032 if [ "$fixme_remote" != "" ]; then
5034 Outdated domain in git config, the official domain for ffmpeg git is since
5035 November 2011, source.ffmpeg.org, both the old and the new point to the same
5036 repository and server. To update it enter the following commands:
5038 for remote in $fixme_remote; do
5039 echolog "git remote set-url $remote $git_remote_to"
5044 if test -f "$source_path/.git/config"; then
5045 remote_from=git.videolan.org
5046 remote_to=source.ffmpeg.org
5047 fix_ffmpeg_remote git@$remote_from:ffmpeg git@$remote_to:ffmpeg
5048 fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg