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]
90 --enable-rpath use rpath to allow installing libraries in paths
91 not part of the dynamic linker search path
94 --enable-gpl allow use of GPL code, the resulting libs
95 and binaries will be under GPL [no]
96 --enable-version3 upgrade (L)GPL to version 3 [no]
97 --enable-nonfree allow use of nonfree code, the resulting libs
98 and binaries will be unredistributable [no]
100 Configuration options:
101 --disable-static do not build static libraries [no]
102 --enable-shared build shared libraries [no]
103 --enable-small optimize for size instead of speed
104 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
105 --enable-gray enable full grayscale support (slower color)
106 --disable-swscale-alpha disable alpha channel support in swscale
107 --disable-all disable building components, libraries and programs
108 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
109 --enable-raise-major increase major version numbers in sonames [no]
112 --disable-programs do not build command line programs
113 --disable-ffmpeg disable ffmpeg build
114 --disable-ffplay disable ffplay build
115 --disable-ffprobe disable ffprobe build
116 --disable-ffserver disable ffserver build
118 Documentation options:
119 --disable-doc do not build documentation
120 --disable-htmlpages do not build HTML documentation pages
121 --disable-manpages do not build man documentation pages
122 --disable-podpages do not build POD documentation pages
123 --disable-txtpages do not build text documentation pages
126 --disable-avdevice disable libavdevice build
127 --disable-avcodec disable libavcodec build
128 --disable-avformat disable libavformat build
129 --disable-avutil disable libavutil build
130 --disable-swresample disable libswresample build
131 --disable-swscale disable libswscale build
132 --disable-postproc disable libpostproc build
133 --disable-avfilter disable libavfilter build
134 --enable-avresample enable libavresample build [no]
135 --disable-pthreads disable pthreads [auto]
136 --disable-w32threads disable Win32 threads [auto]
137 --disable-os2threads disable OS/2 threads [auto]
138 --disable-network disable network support [no]
139 --disable-dct disable DCT code
140 --disable-dwt disable DWT code
141 --disable-error-resilience disable error resilience code
142 --disable-lsp disable LSP code
143 --disable-lzo disable LZO decoder code
144 --disable-mdct disable MDCT code
145 --disable-rdft disable RDFT code
146 --disable-fft disable FFT code
148 Hardware accelerators:
149 --disable-dxva2 disable DXVA2 code [autodetect]
150 --disable-vaapi disable VAAPI code [autodetect]
151 --disable-vda disable VDA code [autodetect]
152 --disable-vdpau disable VDPAU code [autodetect]
154 Individual component options:
155 --disable-everything disable all components listed below
156 --disable-encoder=NAME disable encoder NAME
157 --enable-encoder=NAME enable encoder NAME
158 --disable-encoders disable all encoders
159 --disable-decoder=NAME disable decoder NAME
160 --enable-decoder=NAME enable decoder NAME
161 --disable-decoders disable all decoders
162 --disable-hwaccel=NAME disable hwaccel NAME
163 --enable-hwaccel=NAME enable hwaccel NAME
164 --disable-hwaccels disable all hwaccels
165 --disable-muxer=NAME disable muxer NAME
166 --enable-muxer=NAME enable muxer NAME
167 --disable-muxers disable all muxers
168 --disable-demuxer=NAME disable demuxer NAME
169 --enable-demuxer=NAME enable demuxer NAME
170 --disable-demuxers disable all demuxers
171 --enable-parser=NAME enable parser NAME
172 --disable-parser=NAME disable parser NAME
173 --disable-parsers disable all parsers
174 --enable-bsf=NAME enable bitstream filter NAME
175 --disable-bsf=NAME disable bitstream filter NAME
176 --disable-bsfs disable all bitstream filters
177 --enable-protocol=NAME enable protocol NAME
178 --disable-protocol=NAME disable protocol NAME
179 --disable-protocols disable all protocols
180 --enable-indev=NAME enable input device NAME
181 --disable-indev=NAME disable input device NAME
182 --disable-indevs disable input devices
183 --enable-outdev=NAME enable output device NAME
184 --disable-outdev=NAME disable output device NAME
185 --disable-outdevs disable output devices
186 --disable-devices disable all devices
187 --enable-filter=NAME enable filter NAME
188 --disable-filter=NAME disable filter NAME
189 --disable-filters disable all filters
191 External library support:
192 --enable-avisynth enable reading of AviSynth script files [no]
193 --disable-bzlib disable bzlib [autodetect]
194 --enable-fontconfig enable fontconfig
195 --enable-frei0r enable frei0r video filtering
196 --enable-gnutls enable gnutls [no]
197 --disable-iconv disable iconv [autodetect]
198 --enable-ladspa enable LADSPA audio filtering
199 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
200 --enable-libass enable libass subtitles rendering [no]
201 --enable-libbluray enable BluRay reading using libbluray [no]
202 --enable-libcaca enable textual display using libcaca
203 --enable-libcelt enable CELT decoding via libcelt [no]
204 --enable-libcdio enable audio CD grabbing with libcdio
205 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
207 --enable-libfaac enable AAC encoding via libfaac [no]
208 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
209 --enable-libflite enable flite (voice synthesis) support via libflite [no]
210 --enable-libfreetype enable libfreetype [no]
211 --enable-libgme enable Game Music Emu via libgme [no]
212 --enable-libgsm enable GSM de/encoding via libgsm [no]
213 --enable-libiec61883 enable iec61883 via libiec61883 [no]
214 --enable-libilbc enable iLBC de/encoding via libilbc [no]
215 --enable-libmodplug enable ModPlug via libmodplug [no]
216 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
217 --enable-libnut enable NUT (de)muxing via libnut,
218 native (de)muxer exists [no]
219 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
220 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
221 --enable-libopencv enable video filtering via libopencv [no]
222 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
223 --enable-libopus enable Opus decoding via libopus [no]
224 --enable-libpulse enable Pulseaudio input via libpulse [no]
225 --enable-libquvi enable quvi input via libquvi [no]
226 --enable-librtmp enable RTMP[E] support via librtmp [no]
227 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
228 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
229 --enable-libsoxr enable Include libsoxr resampling [no]
230 --enable-libspeex enable Speex de/encoding via libspeex [no]
231 --enable-libssh enable SFTP protocol via libssh [no]
232 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
233 --enable-libtheora enable Theora encoding via libtheora [no]
234 --enable-libtwolame enable MP2 encoding via libtwolame [no]
235 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
236 --enable-libv4l2 enable libv4l2/v4l-utils [no]
237 --enable-libvidstab enable video stabilization using vid.stab [no]
238 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
239 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
240 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
241 native implementation exists [no]
242 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
243 --enable-libwavpack enable wavpack encoding via libwavpack [no]
244 --enable-libwebp enable WebP encoding via libwebp [no]
245 --enable-libx264 enable H.264 encoding via x264 [no]
246 --enable-libx265 enable HEVC encoding via x265 [no]
247 --enable-libxavs enable AVS encoding via xavs [no]
248 --enable-libxvid enable Xvid encoding via xvidcore,
249 native MPEG-4/Xvid encoder exists [no]
250 --enable-libzmq enable message passing via libzmq [no]
251 --enable-libzvbi enable teletext support via libzvbi [no]
252 --enable-decklink enable Blackmagick DeckLink output [no]
253 --enable-openal enable OpenAL 1.1 capture support [no]
254 --enable-opencl enable OpenCL code
255 --enable-opengl enable OpenGL rendering [no]
256 --enable-openssl enable openssl [no]
257 --enable-x11grab enable X11 grabbing [no]
258 --disable-xlib disable xlib [autodetect]
259 --disable-zlib disable zlib [autodetect]
262 --arch=ARCH select architecture [$arch]
263 --cpu=CPU select the minimum required CPU (affects
264 instruction selection, may crash on older CPUs)
265 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
266 --progs-suffix=SUFFIX program name suffix []
267 --enable-cross-compile assume a cross-compiler is used
268 --sysroot=PATH root of cross-build tree
269 --sysinclude=PATH location of cross-build system headers
270 --target-os=OS compiler targets OS [$target_os]
271 --target-exec=CMD command to run executables on target
272 --target-path=DIR path to view of build directory on target
273 --target-samples=DIR path to samples directory on target
274 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
275 --toolchain=NAME set tool defaults according to NAME
276 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
277 --nm=NM use nm tool NM [$nm_default]
278 --ar=AR use archive tool AR [$ar_default]
279 --as=AS use assembler AS [$as_default]
280 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
281 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
282 --cc=CC use C compiler CC [$cc_default]
283 --cxx=CXX use C compiler CXX [$cxx_default]
284 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
285 --ld=LD use linker LD [$ld_default]
286 --pkg-config=PKGCONF use pkg-config PKGCONF [$pkg_config_default]
287 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
288 --host-cc=HOSTCC use host C compiler HOSTCC
289 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
290 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
291 --host-ld=HOSTLD use host linker HOSTLD
292 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
293 --host-libs=HLIBS use libs HLIBS when linking for host
294 --host-os=OS compiler host OS [$target_os]
295 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
296 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
297 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
298 --extra-libs=ELIBS add ELIBS [$ELIBS]
299 --extra-version=STRING version string suffix []
300 --optflags=OPTFLAGS override optimization-related compiler flags
301 --build-suffix=SUFFIX library name suffix []
302 --enable-pic build position-independent code
303 --enable-thumb compile for Thumb instruction set
304 --enable-lto use link-time optimization
306 Advanced options (experts only):
307 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
308 --disable-symver disable symbol versioning
309 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
310 --disable-safe-bitstream-reader
311 disable buffer boundary checking in bitreaders
312 (faster, but may crash)
313 --enable-memalign-hack emulate memalign, interferes with memory debuggers
314 --enable-sram allow use of on-chip SRAM
316 Optimization options (experts only):
317 --disable-asm disable all assembler optimizations
318 --disable-altivec disable AltiVec optimizations
319 --disable-amd3dnow disable 3DNow! optimizations
320 --disable-amd3dnowext disable 3DNow! extended optimizations
321 --disable-mmx disable MMX optimizations
322 --disable-mmxext disable MMXEXT optimizations
323 --disable-sse disable SSE optimizations
324 --disable-sse2 disable SSE2 optimizations
325 --disable-sse3 disable SSE3 optimizations
326 --disable-ssse3 disable SSSE3 optimizations
327 --disable-sse4 disable SSE4 optimizations
328 --disable-sse42 disable SSE4.2 optimizations
329 --disable-avx disable AVX optimizations
330 --disable-xop disable XOP optimizations
331 --disable-fma3 disable FMA3 optimizations
332 --disable-fma4 disable FMA4 optimizations
333 --disable-avx2 disable AVX2 optimizations
334 --disable-armv5te disable armv5te optimizations
335 --disable-armv6 disable armv6 optimizations
336 --disable-armv6t2 disable armv6t2 optimizations
337 --disable-vfp disable VFP optimizations
338 --disable-neon disable NEON optimizations
339 --disable-inline-asm disable use of inline assembler
340 --disable-yasm disable use of yasm assembler
341 --disable-mips32r2 disable MIPS32R2 optimizations
342 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
343 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
344 --disable-mipsfpu disable floating point MIPS optimizations
345 --disable-fast-unaligned consider unaligned accesses slow
347 Developer options (useful when working on FFmpeg itself):
348 --disable-debug disable debugging symbols
349 --enable-debug=LEVEL set the debug level [$debuglevel]
350 --disable-optimizations disable compiler optimizations
351 --enable-extra-warnings enable more compiler warnings
352 --disable-stripping disable stripping of executables and shared libraries
353 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
354 2 causes a slowdown at runtime.
355 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
356 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
357 leaks and errors, using the specified valgrind binary.
358 Cannot be combined with --target-exec
359 --enable-ftrapv Trap arithmetic overflows
360 --samples=PATH location of test samples for FATE, if not set use
361 \$FATE_SAMPLES at make invocation time.
362 --enable-neon-clobber-test check NEON registers for clobbering (should be
363 used only for debugging purposes)
364 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
365 should be used only for debugging purposes)
366 --enable-random randomly enable/disable components
368 --enable-random=LIST randomly enable/disable specific components or
369 --disable-random=LIST component groups. LIST is a comma-separated list
370 of NAME[:PROB] entries where NAME is a component
371 (group) and PROB the probability associated with
373 --random-seed=VALUE seed value for --enable/disable-random
375 NOTE: Object files are built at the place where configure is launched.
383 echo "$@" >> $logfile
388 pr -n -t $1 >> $logfile
399 WARNINGS="${WARNINGS}WARNING: $*\n"
406 If you think configure made a mistake, make sure you are using the latest
407 version from Git. If the latest version fails, report the problem to the
408 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
410 if disabled logging; then
412 Rerun configure with logging enabled (do not use --disable-logging), and
413 include the log this produces with your report.
417 Include the log file "$logfile" produced by configure as this will help
424 # Avoid locale weirdness, besides we really just want to translate ASCII.
426 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
430 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
434 echo "$*" | sed 's/["\\]/\\\0/g'
438 v=$(echo "$1" | sed "s/'/'\\\\''/g")
439 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
444 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\r//g'
451 eval "case $v in $pat) echo $v ;; esac"
459 eval "case $v in $pat) ;; *) echo $v ;; esac"
466 for v; do eval $m; done
472 for v; do echo ${v}${suffix}; done
487 eval : \${$var:=$value}
492 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
498 eval $(sanitize_var_name "$var")='$*'
502 eval echo \$$(sanitize_var_name "$1")
507 eval level=\${${pvar}_level:=0}
508 eval ${pvar}_${level}="\$$pvar"
509 eval ${pvar}_level=$(($level+1))
515 eval level=\${${pvar}_level:-0}
516 test $level = 0 && continue
517 eval level=$(($level-1))
518 eval $pvar="\${${pvar}_${level}}"
519 eval ${pvar}_level=$level
520 eval unset ${pvar}_${level}
542 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
548 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
554 enabled $var && continue
555 eval sel="\$${var}_select"
556 eval sgs="\$${var}_suggest"
560 enable_deep_weak $sgs
572 disabled $var && continue
581 test "${1#!}" = "$1" && op== || op=!=
582 eval test "x\$${1#!}" $op "xyes"
586 test "${1#!}" = "$1" && op== || op=!=
587 eval test "x\$${1#!}" $op "xno"
592 enabled $opt || return 1
598 disabled $opt || return 1
604 enabled $opt && return 0
610 disabled $opt && return 0
617 eval : \${$opt:=\$${opt}_default}
625 [ $var = $value ] && return 0
633 enabled ${cfg}_checking && die "Circular dependency for $cfg."
634 disabled ${cfg}_checking && continue
635 enable ${cfg}_checking
638 eval dep_all="\$${cfg}_deps"
639 eval dep_any="\$${cfg}_deps_any"
640 eval dep_sel="\$${cfg}_select"
641 eval dep_sgs="\$${cfg}_suggest"
642 eval dep_ifa="\$${cfg}_if"
643 eval dep_ifn="\$${cfg}_if_any"
645 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
646 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
647 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
649 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
650 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
651 enabled_all $dep_all || disable $cfg
652 enabled_any $dep_any || disable $cfg
653 disabled_any $dep_sel && disable $cfg
655 if enabled $cfg; then
657 enable_deep_weak $dep_sgs
660 disable ${cfg}_checking
669 for cfg in $allopts; do
670 enabled $cfg || continue
671 eval dep_extralibs="\$${cfg}_extralibs"
672 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
680 map 'eval echo "$v \${$v:-no}"' "$@" |
681 awk "BEGIN { split(\"$files\", files) }
683 c = \"$pfx\" toupper(\$1);
689 if (file ~ /\\.h\$/) {
690 printf(\"#define %s %d\\n\", c, v) >>file;
691 } else if (file ~ /\\.asm\$/) {
692 printf(\"%%define %s %d\\n\", c, v) >>file;
693 } else if (file ~ /\\.mak\$/) {
694 n = -v ? \"\" : \"!\";
695 printf(\"%s%s=yes\\n\", n, c) >>file;
696 } else if (file ~ /\\.texi\$/) {
697 pre = -v ? \"\" : \"@c \";
700 gsub(/_/, \"-\", c2);
701 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
711 enabled $v && printf "%s\n" ${v%$suf};
718 eval "$var=\"\$$var $*\""
724 eval "$var=\"$* \$$var\""
732 append CFLAGS $($cflags_filter "$@")
736 append CXXFLAGS $($cflags_filter "$@")
740 append ASFLAGS $($asflags_filter "$@")
744 append LDFLAGS $($ldflags_filter "$@")
748 append ASMSTRIPFLAGS "$@"
752 prepend extralibs $($ldflags_filter "$@")
756 append host_cppflags "$@"
760 append host_cflags $($host_cflags_filter "$@")
764 append host_ldflags $($host_ldflags_filter "$@")
768 append compat_objs $1
770 map 'add_cppflags -D$v' "$@"
775 "$@" >> $logfile 2>&1
780 stat "$1" >> $logfile 2>&1
784 eval printf '%s\\n' $CC_O
788 eval printf '%s\\n' $CC_E
795 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
802 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
809 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
816 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
820 eval printf '%s\\n' $AS_O
827 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
831 log check_inline_asm "$@"
836 check_cc "$@" <<EOF && enable $name
837 void foo(void){ __asm__ volatile($code); }
843 check_inline_asm ${1}_inline "\"$2\""
844 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
852 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
856 eval printf '%s\\n' $LD_O
863 flags=$(filter_out '-l*|*.so' $@)
864 libs=$(filter '-l*|*.so' $@)
865 check_$type $($cflags_filter $flags) || return
866 flags=$($ldflags_filter $flags)
867 libs=$($ldflags_filter $libs)
868 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
873 test "${hdr%.h}" = "${hdr}" &&
874 echo "#include $hdr" ||
875 echo "#include <$hdr>"
885 for hdr in $headers; do
888 echo "int main(void) { $code; return 0; }"
889 } | check_$check "$@"
893 log check_cppflags "$@"
894 check_cc "$@" <<EOF && append CPPFLAGS "$@"
901 set -- $($cflags_filter "$@")
908 log check_cflags "$@"
909 test_cflags "$@" && add_cflags "$@"
913 log check_cxxflags "$@"
914 set -- $($cflags_filter "$@")
915 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
921 log test_ldflags "$@"
922 check_ld "cc" "$@" <<EOF
923 int main(void){ return 0; }
928 log check_ldflags "$@"
929 test_ldflags "$@" && add_ldflags "$@"
933 log test_stripflags "$@"
934 # call check_cc to get a fresh TMPO
936 int main(void) { return 0; }
938 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
942 log check_stripflags "$@"
943 test_stripflags "$@" && add_stripflags "$@"
947 log check_header "$@"
951 check_cpp "$@" <<EOF && enable_safe $header
958 log check_header_oc "$@"
964 echo "#include <$header>"
965 echo "int main(void) { return 0; }"
966 } | check_oc && check_stat "$TMPO" && enable_safe $headers
974 check_ld "cc" "$@" <<EOF && enable $func
976 int main(void){ $func(); }
981 log check_mathfunc "$@"
985 test $narg = 2 && args="f, g" || args="f"
987 check_ld "cc" "$@" <<EOF && enable $func
989 float foo(float f, float g) { return $func($args); }
990 int main(void){ return (int) foo; }
994 check_func_headers(){
995 log check_func_headers "$@"
1000 for hdr in $headers; do
1003 for func in $funcs; do
1004 echo "long check_$func(void) { return (long) $func; }"
1006 echo "int main(void) { return 0; }"
1007 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1010 check_class_headers_cpp(){
1011 log check_class_headers_cpp "$@"
1016 for hdr in $headers; do
1017 echo "#include <$hdr>"
1019 echo "int main(void) { "
1021 for class in $classes; do
1022 echo "$class obj$i;"
1026 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1029 check_cpp_condition(){
1030 log check_cpp_condition "$@"
1034 check_cpp "$@" <<EOF
1037 #error "unsatisfied condition: $condition"
1047 check_header $header && check_func $func "$@" && add_extralibs "$@"
1055 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1059 log check_lib_cpp "$@"
1063 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1067 log check_pkg_config "$@"
1073 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1074 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1075 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1076 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1077 set_safe ${pkg}_cflags $pkg_cflags &&
1078 set_safe ${pkg}_libs $pkg_libs
1082 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1088 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1089 # are safe but may not be available everywhere. Thus we use
1090 # raise(SIGTERM) instead. The check is run in a subshell so we
1091 # can redirect the "Terminated" message from the shell. SIGBUS
1092 # is not defined by standard C so it is used conditionally.
1094 (check_exec "$@") >> $logfile 2>&1 <<EOF
1096 static void sighandler(int sig){
1102 int (*func_ptr)(void) = foo;
1104 signal(SIGILL, sighandler);
1105 signal(SIGFPE, sighandler);
1106 signal(SIGSEGV, sighandler);
1108 signal(SIGBUS, sighandler);
1120 disable_safe "$type"
1121 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1125 log check_struct "$@"
1130 disable_safe "${struct}_${member}"
1131 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1132 enable_safe "${struct}_${member}"
1136 log check_builtin "$@"
1142 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1145 check_compile_assert(){
1146 log check_compile_assert "$@"
1152 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1160 check_lib $header $func "$@" || die "ERROR: $name not found"
1168 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1176 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1179 require_pkg_config(){
1181 check_pkg_config "$@" || die "ERROR: $pkg not found"
1182 add_cflags $(get_safe ${pkg}_cflags)
1183 add_extralibs $(get_safe ${pkg}_libs)
1186 require_libfreetype(){
1187 log require_libfreetype "$@"
1189 check_cmd $pkg_config --exists --print-errors $pkg \
1190 || die "ERROR: $pkg not found"
1191 pkg_cflags=$($pkg_config --cflags $pkg)
1192 pkg_libs=$($pkg_config --libs $pkg)
1194 echo "#include <ft2build.h>"
1195 echo "#include FT_FREETYPE_H"
1196 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1197 echo "int main(void) { return 0; }"
1198 } | check_ld "cc" $pkg_cflags $pkg_libs \
1199 && set_safe ${pkg}_cflags $pkg_cflags \
1200 && set_safe ${pkg}_libs $pkg_libs \
1201 || die "ERROR: $pkg not found"
1202 add_cflags $(get_safe ${pkg}_cflags)
1203 add_extralibs $(get_safe ${pkg}_libs)
1207 eval printf '%s\\n' $HOSTCC_E
1211 eval printf '%s\\n' $HOSTCC_O
1215 log check_host_cc "$@"
1218 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1222 log check_host_cpp "$@"
1225 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1228 check_host_cppflags(){
1229 log check_host_cppflags "$@"
1230 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1235 check_host_cflags(){
1236 log check_host_cflags "$@"
1237 set -- $($host_cflags_filter "$@")
1238 check_host_cc "$@" <<EOF && append host_cflags "$@"
1243 check_host_cpp_condition(){
1244 log check_host_cpp_condition "$@"
1248 check_host_cpp "$@" <<EOF
1251 #error "unsatisfied condition: $condition"
1259 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1263 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1264 mkdir -p "$(dirname $2)"
1268 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1269 # system-dependent things.
1286 avio_reading_example
1288 demuxing_decoding_example
1289 filter_audio_example
1290 filtering_audio_example
1291 filtering_video_example
1295 resampling_audio_example
1296 scaling_video_example
1297 transcode_aac_example
1301 EXTERNAL_LIBRARY_LIST="
1382 safe_bitstream_reader
1440 $EXTERNAL_LIBRARY_LIST
1448 incompatible_libav_abi
1508 ARCH_EXT_LIST_MIPS="
1515 ARCH_EXT_LIST_X86_SIMD="
1541 $ARCH_EXT_LIST_X86_SIMD
1570 sync_val_compare_and_swap
1581 incompatible_libav_abi
1590 cdio_paranoia_paranoia_h
1592 dev_bktr_ioctl_bt848_h
1593 dev_bktr_ioctl_meteor_h
1595 dev_video_bktr_ioctl_bt848_h
1596 dev_video_meteor_ioctl_meteor_h
1604 machine_ioctl_bt848_h
1605 machine_ioctl_meteor_h
1607 openjpeg_1_5_openjpeg_h
1668 GetProcessAffinityMask
1669 GetProcessMemoryInfo
1673 GetSystemTimeAsFileTime
1679 jack_port_get_latency_range
1694 SetConsoleTextAttribute
1706 TOOLCHAIN_FEATURES="
1716 inline_asm_nonlocal_labels
1717 inline_asm_direct_symbol_refs
1730 struct_group_source_req
1731 struct_ip_mreq_source
1734 struct_rusage_ru_maxrss
1735 struct_sctp_event_subscribe
1737 struct_sockaddr_sa_len
1738 struct_sockaddr_storage
1739 struct_stat_st_mtim_tv_nsec
1740 struct_v4l2_frmivalenum_discrete
1745 $(add_suffix _external $ARCH_EXT_LIST)
1746 $(add_suffix _inline $ARCH_EXT_LIST)
1773 # options emitted with CONFIG_ prefix but not available on the command line
1781 frame_thread_encoder
1889 # code dependency declarations
1891 # architecture extensions
1896 armv8_deps="aarch64"
1897 neon_deps_any="aarch64 arm"
1898 vfp_deps_any="aarch64 arm"
1901 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1904 mips32r2_deps="mips"
1905 mipsdspr1_deps="mips"
1906 mipsdspr2_deps="mips"
1912 x86_64_select="i686"
1913 x86_64_suggest="fast_cmov"
1916 amd3dnowext_deps="amd3dnow"
1932 mmx_external_deps="yasm"
1933 mmx_inline_deps="inline_asm"
1934 mmx_suggest="mmx_external mmx_inline"
1936 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1937 eval dep=\$${ext}_deps
1938 eval ${ext}_external_deps='"${dep}_external"'
1939 eval ${ext}_inline_deps='"${dep}_inline"'
1940 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1943 aligned_stack_if_any="aarch64 ppc x86"
1944 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1945 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1946 fast_unaligned_if_any="aarch64 ppc x86"
1948 need_memalign="altivec neon sse"
1950 # system capabilities
1951 log2_deps="!libc_msvcrt"
1953 symver_if_any="symver_asm_label symver_gnu_asm"
1956 atomics_gcc_if="sync_val_compare_and_swap"
1957 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1958 atomics_win32_if="MemoryBarrier"
1959 atomics_native_if_any="$ATOMICS_LIST"
1960 w32threads_deps="atomics_native"
1961 threads_if_any="$THREADS_LIST"
1965 error_resilience_select="dsputil"
1966 frame_thread_encoder_deps="encoders threads"
1969 mpegaudio_select="mpegaudiodsp"
1970 mpegaudiodsp_select="dct"
1971 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1972 mpegvideoenc_select="dsputil mpegvideo"
1974 # decoders / encoders
1975 aac_decoder_select="mdct sinewin"
1976 aac_encoder_select="audio_frame_queue mdct sinewin"
1977 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1978 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1979 ac3_fixed_decoder_select="mdct ac3dsp ac3_parser dsputil"
1980 ac3_encoder_select="mdct ac3dsp dsputil"
1981 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1982 aic_decoder_select="dsputil golomb"
1983 alac_encoder_select="lpc"
1984 als_decoder_select="dsputil"
1985 amrnb_decoder_select="lsp"
1986 amrwb_decoder_select="lsp"
1987 amv_decoder_select="sp5x_decoder exif"
1988 amv_encoder_select="aandcttables"
1989 ape_decoder_select="dsputil"
1990 asv1_decoder_select="dsputil"
1991 asv1_encoder_select="dsputil"
1992 asv2_decoder_select="dsputil"
1993 asv2_encoder_select="dsputil"
1994 atrac1_decoder_select="mdct sinewin"
1995 atrac3_decoder_select="mdct"
1996 atrac3p_decoder_select="mdct sinewin"
1997 avrn_decoder_select="exif"
1998 bink_decoder_select="dsputil hpeldsp"
1999 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
2000 binkaudio_rdft_decoder_select="mdct rdft sinewin"
2001 cavs_decoder_select="dsputil golomb h264chroma videodsp"
2002 cllc_decoder_select="dsputil"
2003 comfortnoise_encoder_select="lpc"
2004 cook_decoder_select="dsputil mdct sinewin"
2005 cscd_decoder_select="lzo"
2006 cscd_decoder_suggest="zlib"
2007 dca_decoder_select="mdct"
2008 dirac_decoder_select="dsputil dwt golomb videodsp"
2009 dnxhd_decoder_select="dsputil"
2010 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
2011 dvvideo_decoder_select="dsputil"
2012 dvvideo_encoder_select="dsputil"
2013 dxa_decoder_select="zlib"
2014 eac3_decoder_select="ac3_decoder"
2015 eac3_encoder_select="ac3_encoder"
2016 eamad_decoder_select="aandcttables dsputil mpegvideo"
2017 eatgq_decoder_select="aandcttables"
2018 eatqi_decoder_select="aandcttables dsputil error_resilience mpegvideo"
2019 exr_decoder_select="zlib"
2020 ffv1_decoder_select="golomb rangecoder"
2021 ffv1_encoder_select="rangecoder"
2022 ffvhuff_decoder_select="huffyuv_decoder"
2023 ffvhuff_encoder_select="huffyuv_encoder"
2024 fic_decoder_select="dsputil golomb"
2025 flac_decoder_select="golomb"
2026 flac_encoder_select="dsputil golomb lpc"
2027 flashsv_decoder_select="zlib"
2028 flashsv_encoder_select="zlib"
2029 flashsv2_encoder_select="zlib"
2030 flashsv2_decoder_select="zlib"
2031 flv_decoder_select="h263_decoder"
2032 flv_encoder_select="h263_encoder"
2033 fourxm_decoder_select="dsputil"
2034 fraps_decoder_select="dsputil huffman"
2035 g2m_decoder_select="dsputil zlib"
2036 g729_decoder_select="dsputil"
2037 h261_decoder_select="error_resilience mpegvideo"
2038 h261_encoder_select="aandcttables mpegvideoenc"
2039 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
2040 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2041 h263i_decoder_select="h263_decoder"
2042 h263p_encoder_select="h263_encoder"
2043 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
2044 h264_decoder_suggest="error_resilience"
2045 hevc_decoder_select="cabac dsputil golomb videodsp"
2046 huffyuv_decoder_select="dsputil llviddsp"
2047 huffyuv_encoder_select="dsputil huffman llviddsp"
2048 iac_decoder_select="imc_decoder"
2049 imc_decoder_select="dsputil fft mdct sinewin"
2050 indeo3_decoder_select="hpeldsp"
2051 interplay_video_decoder_select="hpeldsp"
2052 jpegls_decoder_select="golomb mjpeg_decoder"
2053 jpegls_encoder_select="golomb"
2054 jv_decoder_select="dsputil"
2055 lagarith_decoder_select="dsputil"
2056 ljpeg_encoder_select="aandcttables mpegvideoenc"
2057 loco_decoder_select="golomb"
2058 mdec_decoder_select="dsputil error_resilience mpegvideo"
2059 metasound_decoder_select="lsp mdct sinewin"
2060 mimic_decoder_select="dsputil hpeldsp"
2061 mjpeg_decoder_select="dsputil hpeldsp exif"
2062 mjpeg_encoder_select="aandcttables mpegvideoenc"
2063 mjpegb_decoder_select="mjpeg_decoder"
2064 mlp_decoder_select="mlp_parser"
2065 motionpixels_decoder_select="dsputil"
2066 mp1_decoder_select="mpegaudio"
2067 mp1float_decoder_select="mpegaudio"
2068 mp2_decoder_select="mpegaudio"
2069 mp2float_decoder_select="mpegaudio"
2070 mp3_decoder_select="mpegaudio"
2071 mp3adu_decoder_select="mpegaudio"
2072 mp3adufloat_decoder_select="mpegaudio"
2073 mp3float_decoder_select="mpegaudio"
2074 mp3on4_decoder_select="mpegaudio"
2075 mp3on4float_decoder_select="mpegaudio"
2076 mpc7_decoder_select="dsputil mpegaudiodsp"
2077 mpc8_decoder_select="mpegaudiodsp"
2078 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2079 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2080 mpeg1video_decoder_select="error_resilience mpegvideo"
2081 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2082 mpeg2video_decoder_select="error_resilience mpegvideo"
2083 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2084 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2085 mpeg4_encoder_select="h263_encoder"
2086 msmpeg4v1_decoder_select="h263_decoder"
2087 msmpeg4v2_decoder_select="h263_decoder"
2088 msmpeg4v2_encoder_select="h263_encoder"
2089 msmpeg4v3_decoder_select="h263_decoder"
2090 msmpeg4v3_encoder_select="h263_encoder"
2091 mss2_decoder_select="error_resilience vc1_decoder"
2092 mxpeg_decoder_select="mjpeg_decoder"
2093 nellymoser_decoder_select="mdct sinewin"
2094 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2095 nuv_decoder_select="dsputil lzo"
2096 png_decoder_select="zlib"
2097 png_encoder_select="dsputil zlib"
2098 prores_decoder_select="dsputil"
2099 prores_encoder_select="dsputil"
2100 qcelp_decoder_select="lsp"
2101 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2102 ra_144_encoder_select="audio_frame_queue lpc"
2103 ralf_decoder_select="golomb"
2104 rawvideo_decoder_select="dsputil"
2105 rtjpeg_decoder_select="dsputil"
2106 rv10_decoder_select="error_resilience h263_decoder h263dsp"
2107 rv10_encoder_select="h263_encoder"
2108 rv20_decoder_select="error_resilience h263_decoder h263dsp"
2109 rv20_encoder_select="h263_encoder"
2110 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
2111 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
2112 shorten_decoder_select="golomb"
2113 sipr_decoder_select="lsp"
2114 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
2115 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
2116 sonic_decoder_select="golomb rangecoder"
2117 sonic_encoder_select="golomb rangecoder"
2118 sonic_ls_encoder_select="golomb"
2119 sp5x_decoder_select="mjpeg_decoder"
2120 svq1_decoder_select="hpeldsp"
2121 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
2122 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2123 svq3_decoder_suggest="zlib"
2124 tak_decoder_select="dsputil"
2125 theora_decoder_select="vp3_decoder"
2126 thp_decoder_select="mjpeg_decoder"
2127 tiff_decoder_suggest="zlib"
2128 tiff_encoder_suggest="zlib"
2129 truehd_decoder_select="mlp_parser"
2130 truemotion2_decoder_select="dsputil"
2131 truespeech_decoder_select="dsputil"
2132 tscc_decoder_select="zlib"
2133 twinvq_decoder_select="mdct lsp sinewin"
2134 utvideo_decoder_select="dsputil"
2135 utvideo_encoder_select="dsputil huffman"
2136 vble_decoder_select="dsputil"
2137 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel intrax8"
2138 vc1image_decoder_select="vc1_decoder"
2139 vorbis_decoder_select="mdct"
2140 vorbis_encoder_select="mdct"
2141 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2142 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2143 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2144 vp6a_decoder_select="vp6_decoder"
2145 vp6f_decoder_select="vp6_decoder"
2146 vp7_decoder_select="h264pred videodsp"
2147 vp8_decoder_select="h264pred videodsp"
2148 vp9_decoder_select="videodsp"
2149 webp_decoder_select="vp8_decoder"
2150 wmapro_decoder_select="mdct sinewin"
2151 wmav1_decoder_select="mdct sinewin"
2152 wmav1_encoder_select="mdct sinewin"
2153 wmav2_decoder_select="mdct sinewin"
2154 wmav2_encoder_select="mdct sinewin"
2155 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2156 wmv1_decoder_select="h263_decoder"
2157 wmv1_encoder_select="h263_encoder"
2158 wmv2_decoder_select="h263_decoder intrax8 videodsp"
2159 wmv2_encoder_select="h263_encoder"
2160 wmv3_decoder_select="vc1_decoder"
2161 wmv3image_decoder_select="wmv3_decoder"
2162 zerocodec_decoder_select="zlib"
2163 zlib_decoder_select="zlib"
2164 zlib_encoder_select="zlib"
2165 zmbv_decoder_select="zlib"
2166 zmbv_encoder_select="zlib"
2168 # hardware accelerators
2169 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2170 dxva2_deps="dxva2api_h"
2171 vaapi_deps="va_va_h"
2172 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2173 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2174 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2175 xvmc_deps="X11_extensions_XvMClib_h"
2177 h263_vaapi_hwaccel_deps="vaapi"
2178 h263_vaapi_hwaccel_select="h263_decoder"
2179 h263_vdpau_hwaccel_deps="vdpau"
2180 h263_vdpau_hwaccel_select="h263_decoder"
2181 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2182 h264_dxva2_hwaccel_deps="dxva2"
2183 h264_dxva2_hwaccel_select="h264_decoder"
2184 h264_vaapi_hwaccel_deps="vaapi"
2185 h264_vaapi_hwaccel_select="h264_decoder"
2186 h264_vda_decoder_deps="vda"
2187 h264_vda_decoder_select="h264_decoder"
2188 h264_vda_hwaccel_deps="vda"
2189 h264_vda_hwaccel_select="h264_decoder"
2190 h264_vdpau_decoder_deps="vdpau"
2191 h264_vdpau_decoder_select="h264_decoder"
2192 h264_vdpau_hwaccel_deps="vdpau"
2193 h264_vdpau_hwaccel_select="h264_decoder"
2194 mpeg_vdpau_decoder_deps="vdpau"
2195 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2196 mpeg_xvmc_hwaccel_deps="xvmc"
2197 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2198 mpeg1_vdpau_decoder_deps="vdpau"
2199 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2200 mpeg1_vdpau_hwaccel_deps="vdpau"
2201 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2202 mpeg1_xvmc_hwaccel_deps="xvmc"
2203 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2204 mpeg2_crystalhd_decoder_select="crystalhd"
2205 mpeg2_dxva2_hwaccel_deps="dxva2"
2206 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2207 mpeg2_vaapi_hwaccel_deps="vaapi"
2208 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2209 mpeg2_vdpau_hwaccel_deps="vdpau"
2210 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2211 mpeg2_xvmc_hwaccel_deps="xvmc"
2212 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2213 mpeg4_crystalhd_decoder_select="crystalhd"
2214 mpeg4_vaapi_hwaccel_deps="vaapi"
2215 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2216 mpeg4_vdpau_decoder_deps="vdpau"
2217 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2218 mpeg4_vdpau_hwaccel_deps="vdpau"
2219 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2220 msmpeg4_crystalhd_decoder_select="crystalhd"
2221 vc1_crystalhd_decoder_select="crystalhd"
2222 vc1_dxva2_hwaccel_deps="dxva2"
2223 vc1_dxva2_hwaccel_select="vc1_decoder"
2224 vc1_vaapi_hwaccel_deps="vaapi"
2225 vc1_vaapi_hwaccel_select="vc1_decoder"
2226 vc1_vdpau_decoder_deps="vdpau"
2227 vc1_vdpau_decoder_select="vc1_decoder"
2228 vc1_vdpau_hwaccel_deps="vdpau"
2229 vc1_vdpau_hwaccel_select="vc1_decoder"
2230 wmv3_crystalhd_decoder_select="crystalhd"
2231 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2232 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2233 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2234 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2237 h264_parser_select="h264_decoder"
2238 hevc_parser_select="hevc_decoder"
2239 mpeg4video_parser_select="error_resilience h263dsp mpegvideo"
2240 mpegvideo_parser_select="error_resilience mpegvideo"
2241 vc1_parser_select="mpegvideo"
2243 # external libraries
2244 libaacplus_encoder_deps="libaacplus"
2245 libcelt_decoder_deps="libcelt"
2246 libfaac_encoder_deps="libfaac"
2247 libfaac_encoder_select="audio_frame_queue"
2248 libfdk_aac_decoder_deps="libfdk_aac"
2249 libfdk_aac_encoder_deps="libfdk_aac"
2250 libfdk_aac_encoder_select="audio_frame_queue"
2251 libgme_demuxer_deps="libgme"
2252 libgsm_decoder_deps="libgsm"
2253 libgsm_encoder_deps="libgsm"
2254 libgsm_ms_decoder_deps="libgsm"
2255 libgsm_ms_encoder_deps="libgsm"
2256 libilbc_decoder_deps="libilbc"
2257 libilbc_encoder_deps="libilbc"
2258 libmodplug_demuxer_deps="libmodplug"
2259 libmp3lame_encoder_deps="libmp3lame"
2260 libmp3lame_encoder_select="audio_frame_queue"
2261 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2262 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2263 libopencore_amrnb_encoder_select="audio_frame_queue"
2264 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2265 libopenjpeg_decoder_deps="libopenjpeg"
2266 libopenjpeg_encoder_deps="libopenjpeg"
2267 libopus_decoder_deps="libopus"
2268 libopus_encoder_deps="libopus"
2269 libopus_encoder_select="audio_frame_queue"
2270 libquvi_demuxer_deps="libquvi"
2271 libschroedinger_decoder_deps="libschroedinger"
2272 libschroedinger_encoder_deps="libschroedinger"
2273 libshine_encoder_deps="libshine"
2274 libshine_encoder_select="audio_frame_queue"
2275 libspeex_decoder_deps="libspeex"
2276 libspeex_encoder_deps="libspeex"
2277 libspeex_encoder_select="audio_frame_queue"
2278 libstagefright_h264_decoder_deps="libstagefright_h264"
2279 libtheora_encoder_deps="libtheora"
2280 libtwolame_encoder_deps="libtwolame"
2281 libvo_aacenc_encoder_deps="libvo_aacenc"
2282 libvo_aacenc_encoder_select="audio_frame_queue"
2283 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2284 libvorbis_decoder_deps="libvorbis"
2285 libvorbis_encoder_deps="libvorbis"
2286 libvorbis_encoder_select="audio_frame_queue"
2287 libvpx_vp8_decoder_deps="libvpx"
2288 libvpx_vp8_encoder_deps="libvpx"
2289 libvpx_vp9_decoder_deps="libvpx"
2290 libvpx_vp9_encoder_deps="libvpx"
2291 libwavpack_encoder_deps="libwavpack"
2292 libwebp_encoder_deps="libwebp"
2293 libx264_encoder_deps="libx264"
2294 libx264rgb_encoder_deps="libx264"
2295 libx265_encoder_deps="libx265"
2296 libxavs_encoder_deps="libxavs"
2297 libxvid_encoder_deps="libxvid"
2298 libutvideo_decoder_deps="libutvideo"
2299 libutvideo_encoder_deps="libutvideo"
2300 libzvbi_teletext_decoder_deps="libzvbi"
2303 ac3_demuxer_select="ac3_parser"
2304 asf_demuxer_select="riffdec"
2305 asf_muxer_select="riffenc"
2306 asf_stream_muxer_select="asf_muxer"
2307 avi_demuxer_select="riffdec exif"
2308 avi_muxer_select="riffenc"
2309 avisynth_demuxer_deps="avisynth"
2310 avisynth_demuxer_select="riffdec"
2311 caf_demuxer_select="riffdec"
2312 dirac_demuxer_select="dirac_parser"
2313 dts_demuxer_select="dca_parser"
2314 dtshd_demuxer_select="dca_parser"
2315 dxa_demuxer_select="riffdec"
2316 eac3_demuxer_select="ac3_parser"
2317 f4v_muxer_select="mov_muxer"
2318 flac_demuxer_select="flac_parser"
2319 hds_muxer_select="flv_muxer"
2320 hls_muxer_select="mpegts_muxer"
2321 ipod_muxer_select="mov_muxer"
2322 ismv_muxer_select="mov_muxer"
2323 libnut_demuxer_deps="libnut"
2324 libnut_muxer_deps="libnut"
2325 matroska_audio_muxer_select="matroska_muxer"
2326 matroska_demuxer_select="riffdec"
2327 matroska_demuxer_suggest="bzlib lzo zlib"
2328 matroska_muxer_select="riffenc"
2329 mmf_muxer_select="riffenc"
2330 mov_demuxer_select="riffdec"
2331 mov_demuxer_suggest="zlib"
2332 mov_muxer_select="riffenc rtpenc_chain"
2333 mp3_demuxer_select="mpegaudio_parser"
2334 mp4_muxer_select="mov_muxer"
2335 mpegts_muxer_select="adts_muxer latm_muxer"
2336 mpegtsraw_demuxer_select="mpegts_demuxer"
2337 mxf_d10_muxer_select="mxf_muxer"
2338 nut_muxer_select="riffenc"
2339 nuv_demuxer_select="riffdec"
2340 ogg_demuxer_select="golomb"
2341 psp_muxer_select="mov_muxer"
2342 rtp_demuxer_select="sdp_demuxer"
2343 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2344 rtsp_demuxer_select="http_protocol rtpdec"
2345 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2346 sap_demuxer_select="sdp_demuxer"
2347 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2348 sdp_demuxer_select="rtpdec"
2349 smoothstreaming_muxer_select="ismv_muxer"
2350 spdif_muxer_select="aac_parser"
2351 tak_demuxer_select="tak_parser"
2352 tg2_muxer_select="mov_muxer"
2353 tgp_muxer_select="mov_muxer"
2354 vobsub_demuxer_select="mpegps_demuxer"
2355 w64_demuxer_select="wav_demuxer"
2356 w64_muxer_select="wav_muxer"
2357 wav_demuxer_select="riffdec"
2358 wav_muxer_select="riffenc"
2359 webm_muxer_select="riffenc"
2360 wtv_demuxer_select="riffdec"
2361 wtv_muxer_select="riffenc"
2362 xmv_demuxer_select="riffdec"
2363 xwma_demuxer_select="riffdec"
2366 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2367 alsa_outdev_deps="alsa_asoundlib_h"
2368 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2369 avfoundation_indev_select="avfoundation"
2370 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2371 caca_outdev_deps="libcaca"
2372 decklink_outdev_deps="decklink pthreads"
2373 decklink_outdev_extralibs="-lstdc++"
2374 dshow_indev_deps="IBaseFilter"
2375 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2376 dv1394_indev_deps="dv1394"
2377 dv1394_indev_select="dv_demuxer"
2378 fbdev_indev_deps="linux_fb_h"
2379 fbdev_outdev_deps="linux_fb_h"
2380 gdigrab_indev_deps="CreateDIBSection"
2381 gdigrab_indev_extralibs="-lgdi32"
2382 gdigrab_indev_select="bmp_decoder"
2383 iec61883_indev_deps="libiec61883"
2384 jack_indev_deps="jack_jack_h sem_timedwait"
2385 lavfi_indev_deps="avfilter"
2386 libcdio_indev_deps="libcdio"
2387 libdc1394_indev_deps="libdc1394"
2388 libv4l2_indev_deps="libv4l2"
2389 openal_indev_deps="openal"
2390 opengl_outdev_deps="opengl"
2391 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2392 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2393 pulse_indev_deps="libpulse"
2394 pulse_outdev_deps="libpulse"
2395 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2396 qtkit_indev_select="qtkit"
2397 sdl_outdev_deps="sdl"
2398 sndio_indev_deps="sndio_h"
2399 sndio_outdev_deps="sndio_h"
2400 v4l_indev_deps="linux_videodev_h"
2401 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2402 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2403 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2404 vfwcap_indev_extralibs="-lavicap32"
2405 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2406 xv_outdev_extralibs="-lXv -lX11 -lXext"
2407 x11grab_indev_deps="x11grab"
2410 bluray_protocol_deps="libbluray"
2411 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2412 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2413 ffrtmpcrypt_protocol_select="tcp_protocol"
2414 ffrtmphttp_protocol_deps="!librtmp_protocol"
2415 ffrtmphttp_protocol_select="http_protocol"
2416 ftp_protocol_select="tcp_protocol"
2417 gopher_protocol_select="network"
2418 http_protocol_select="tcp_protocol"
2419 httpproxy_protocol_select="tcp_protocol"
2420 https_protocol_select="tls_protocol"
2421 librtmp_protocol_deps="librtmp"
2422 librtmpe_protocol_deps="librtmp"
2423 librtmps_protocol_deps="librtmp"
2424 librtmpt_protocol_deps="librtmp"
2425 librtmpte_protocol_deps="librtmp"
2426 libssh_protocol_deps="libssh"
2427 mmsh_protocol_select="http_protocol"
2428 mmst_protocol_select="network"
2429 rtmp_protocol_deps="!librtmp_protocol"
2430 rtmp_protocol_select="tcp_protocol"
2431 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2432 rtmps_protocol_deps="!librtmp_protocol"
2433 rtmps_protocol_select="tls_protocol"
2434 rtmpt_protocol_select="ffrtmphttp_protocol"
2435 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2436 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2437 rtp_protocol_select="udp_protocol"
2438 sctp_protocol_deps="struct_sctp_event_subscribe"
2439 sctp_protocol_select="network"
2440 srtp_protocol_select="rtp_protocol"
2441 tcp_protocol_select="network"
2442 tls_protocol_deps_any="openssl gnutls"
2443 tls_protocol_select="tcp_protocol"
2444 udp_protocol_select="network"
2445 unix_protocol_deps="sys_un_h"
2446 unix_protocol_select="network"
2449 aconvert_filter_deps="swresample"
2450 amovie_filter_deps="avcodec avformat"
2451 aresample_filter_deps="swresample"
2452 ass_filter_deps="libass"
2453 asyncts_filter_deps="avresample"
2454 atempo_filter_deps="avcodec"
2455 atempo_filter_select="rdft"
2456 azmq_filter_deps="libzmq"
2457 blackframe_filter_deps="gpl"
2458 boxblur_filter_deps="gpl"
2459 colormatrix_filter_deps="gpl"
2460 cropdetect_filter_deps="gpl"
2461 dctdnoiz_filter_deps="avcodec"
2462 dctdnoiz_filter_select="dct"
2463 delogo_filter_deps="gpl"
2464 deshake_filter_deps="avcodec"
2465 deshake_filter_select="dsputil"
2466 drawtext_filter_deps="libfreetype"
2467 ebur128_filter_deps="gpl"
2468 flite_filter_deps="libflite"
2469 frei0r_filter_deps="frei0r dlopen"
2470 frei0r_filter_extralibs='$ldl'
2471 frei0r_src_filter_deps="frei0r dlopen"
2472 frei0r_src_filter_extralibs='$ldl'
2473 geq_filter_deps="gpl"
2474 histeq_filter_deps="gpl"
2475 hqdn3d_filter_deps="gpl"
2476 interlace_filter_deps="gpl"
2477 kerndeint_filter_deps="gpl"
2478 ladspa_filter_deps="ladspa dlopen"
2479 mcdeint_filter_deps="avcodec gpl"
2480 movie_filter_deps="avcodec avformat"
2481 mp_filter_deps="gpl avcodec swscale inline_asm"
2482 mpdecimate_filter_deps="gpl avcodec"
2483 mptestsrc_filter_deps="gpl"
2484 negate_filter_deps="lut_filter"
2485 perspective_filter_deps="gpl"
2486 ocv_filter_deps="libopencv"
2487 owdenoise_filter_deps="gpl"
2488 pan_filter_deps="swresample"
2489 phase_filter_deps="gpl"
2490 pp_filter_deps="gpl postproc"
2491 pullup_filter_deps="gpl"
2492 removelogo_filter_deps="avcodec avformat swscale"
2493 resample_filter_deps="avresample"
2494 sab_filter_deps="gpl swscale"
2495 scale_filter_deps="swscale"
2496 smartblur_filter_deps="gpl swscale"
2497 showspectrum_filter_deps="avcodec"
2498 showspectrum_filter_select="rdft"
2499 spp_filter_deps="gpl avcodec"
2500 spp_filter_select="fft"
2501 stereo3d_filter_deps="gpl"
2502 subtitles_filter_deps="avformat avcodec libass"
2503 super2xsai_filter_deps="gpl"
2504 tinterlace_filter_deps="gpl"
2505 vidstabdetect_filter_deps="libvidstab"
2506 vidstabtransform_filter_deps="libvidstab"
2507 pixfmts_super2xsai_test_deps="super2xsai_filter"
2508 tinterlace_merge_test_deps="tinterlace_filter"
2509 tinterlace_pad_test_deps="tinterlace_filter"
2510 zmq_filter_deps="libzmq"
2513 avio_reading="avformat avcodec avutil"
2514 avcodec_example_deps="avcodec avutil"
2515 demuxing_decoding_example_deps="avcodec avformat avutil"
2516 filter_audio_example_deps="avfilter avutil"
2517 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2518 filtering_video_example_deps="avfilter avcodec avformat avutil"
2519 metadata_example_deps="avformat avutil"
2520 muxing_example_deps="avcodec avformat avutil swscale"
2521 remuxing_example_deps="avcodec avformat avutil"
2522 resampling_audio_example_deps="avutil swresample"
2523 scaling_video_example_deps="avutil swscale"
2524 transcode_aac_example_deps="avcodec avformat swresample"
2525 transcoding_example_deps="avfilter avcodec avformat avutil"
2528 avcodec_deps="avutil"
2529 avdevice_deps="avutil avcodec avformat"
2530 avfilter_deps="avutil"
2531 avformat_deps="avutil avcodec"
2532 avresample_deps="avutil"
2533 postproc_deps="avutil gpl"
2534 swscale_deps="avutil"
2537 ffmpeg_deps="avcodec avfilter avformat swresample"
2538 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2540 setpts_filter trim_filter"
2541 ffplay_deps="avcodec avformat swscale swresample sdl"
2542 ffplay_libs='$sdl_libs'
2543 ffplay_select="rdft crop_filter"
2544 ffprobe_deps="avcodec avformat"
2545 ffserver_deps="avformat fork sarestart"
2546 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2549 podpages_deps="perl"
2550 manpages_deps="perl pod2man"
2551 htmlpages_deps="perl texi2html"
2552 txtpages_deps="perl makeinfo"
2553 doc_deps_any="manpages htmlpages podpages txtpages"
2555 # default parameters
2557 logfile="config.log"
2559 # installation paths
2560 prefix_default="/usr/local"
2561 bindir_default='${prefix}/bin'
2562 datadir_default='${prefix}/share/ffmpeg'
2563 docdir_default='${prefix}/share/doc/ffmpeg'
2564 incdir_default='${prefix}/include'
2565 libdir_default='${prefix}/lib'
2566 mandir_default='${prefix}/share/man'
2567 shlibdir_default="$libdir_default"
2573 host_cc_default="gcc"
2579 pkg_config_default=pkg-config
2581 strip_default="strip"
2582 yasmexe_default="yasm"
2583 windres_default="windres"
2588 target_os_default=$(tolower $(uname -s))
2589 host_os=$target_os_default
2592 if test "$target_os_default" = aix; then
2593 arch_default=$(uname -p)
2595 arch_default=$(uname -m)
2599 # configurable options
2600 enable $PROGRAM_LIST
2601 enable $DOCUMENT_LIST
2602 enable $EXAMPLE_LIST
2603 enable $(filter_out avresample $LIBRARY_LIST)
2609 enable optimizations
2610 enable runtime_cpudetect
2611 enable safe_bitstream_reader
2613 enable swscale_alpha
2615 # Enable hwaccels by default.
2616 enable dxva2 vaapi vda vdpau xvmc
2620 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2623 FULLNAME='$(NAME)$(BUILDSUF)'
2624 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2627 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2628 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2629 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2630 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2631 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2632 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2654 host_cflags_filter=echo
2655 host_ldflags_filter=echo
2657 target_path='$(CURDIR)'
2659 # since the object filename is not given with the -MM flag, the compiler
2660 # is only able to print the basename, and we must add the path ourselves
2661 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2665 if test -f configure; then
2668 source_path=$(cd $(dirname "$0"); pwd)
2669 echo "$source_path" | grep -q '[[:blank:]]' &&
2670 die "Out of tree builds are impossible with whitespace in source path."
2671 test -e "$source_path/config.h" &&
2672 die "Out of tree builds are impossible with config.h in source dir."
2679 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2685 file=$source_path/$3
2686 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2689 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2690 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2691 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2692 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2693 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2694 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2695 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2696 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2697 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2698 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2699 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2715 for n in $COMPONENT_LIST; do
2716 v=$(toupper ${n%s})_LIST
2718 eval ${n}_if_any="\$$v"
2721 enable $ARCH_EXT_LIST
2724 echo "Unknown option \"$1\"."
2725 echo "See $0 --help for available options."
2730 cat | tr ' ' '\n' | sort | pr -r -3 -t
2736 echo $* | sed s/$suffix//g | print_3_columns
2748 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2749 echo "prob ${prob:-0.5}"
2757 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2758 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2768 add_extralibs $optval
2771 disable $INDEV_LIST $OUTDEV_LIST
2774 debuglevel="$optval"
2777 disable $PROGRAM_LIST
2779 --disable-everything)
2780 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2783 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2784 disable $LIBRARY_LIST $PROGRAM_LIST doc
2786 --enable-random|--disable-random)
2787 action=${opt%%-random}
2788 do_random ${action#--} $COMPONENT_LIST
2790 --enable-random=*|--disable-random=*)
2791 action=${opt%%-random=*}
2792 do_random ${action#--} $optval
2794 --enable-*=*|--disable-*=*)
2795 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2796 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2797 eval list=\$$(toupper $thing)_LIST
2798 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2799 list=$(filter "$name" $list)
2800 [ "$list" = "" ] && warn "Option $opt did not match anything"
2803 --enable-?*|--disable-?*)
2804 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2805 if is_in $option $COMPONENT_LIST; then
2806 test $action = disable && action=unset
2807 eval $action \$$(toupper ${option%s})_LIST
2808 elif is_in $option $CMDLINE_SELECT; then
2815 NAME="${opt#--list-}"
2816 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2818 eval show_list $NAME \$$(toupper $NAME)_LIST
2820 --help|-h) show_help
2822 --fatal-warnings) enable fatal_warnings
2825 optname="${opt%%=*}"
2826 optname="${optname#--}"
2827 optname=$(echo "$optname" | sed 's/-/_/g')
2828 if is_in $optname $CMDLINE_SET; then
2829 eval $optname='$optval'
2830 elif is_in $optname $CMDLINE_APPEND; then
2831 append $optname "$optval"
2839 disabled logging && logfile=/dev/null
2841 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2844 test -n "$cross_prefix" && enable cross_compile
2846 if enabled cross_compile; then
2847 test -n "$arch" && test -n "$target_os" ||
2848 die "Must specify target arch and OS when cross-compiling"
2851 ar_default="${cross_prefix}${ar_default}"
2852 cc_default="${cross_prefix}${cc_default}"
2853 cxx_default="${cross_prefix}${cxx_default}"
2854 nm_default="${cross_prefix}${nm_default}"
2855 pkg_config_default="${cross_prefix}${pkg_config_default}"
2856 ranlib="${cross_prefix}${ranlib}"
2857 strip_default="${cross_prefix}${strip_default}"
2858 windres_default="${cross_prefix}${windres_default}"
2860 sysinclude_default="${sysroot}/usr/include"
2862 test -n "$valgrind" && toolchain="valgrind-memcheck"
2864 case "$toolchain" in
2867 add_cflags -fsanitize=address
2868 add_ldflags -fsanitize=address
2872 add_cflags -fsanitize=thread -pie
2873 add_ldflags -fsanitize=thread -pie
2877 add_cflags -fsanitize=undefined
2878 add_ldflags -fsanitize=undefined
2882 add_cflags -fsanitize=address
2883 add_ldflags -fsanitize=address
2887 add_cflags -fsanitize=thread -pie -fPIC
2888 add_ldflags -fsanitize=thread -pie -fPIC
2892 add_cflags -fsanitize=undefined
2893 add_ldflags -fsanitize=undefined
2896 target_exec_default=${valgrind:-"valgrind"}
2897 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"
2900 target_exec_default=${valgrind:-"valgrind"}
2901 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2904 # Check whether the current MSVC version needs the C99 converter.
2905 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2906 # support enough of C99 to build ffmpeg. Default to the new
2907 # behaviour if the regexp was unable to match anything, since this
2908 # successfully parses the version number of existing supported
2909 # versions that require the converter (MSVC 2010 and 2012).
2910 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2911 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2914 cc_default="c99wrap cl"
2917 nm_default="dumpbin -symbols"
2919 target_os_default="win32"
2920 # Use a relative path for TMPDIR. This makes sure all the
2921 # ffconf temp files are written with a relative path, avoiding
2922 # issues with msys/win32 path conversion for MSVC parameters
2923 # such as -Fo<file> or -out:<file>.
2929 nm_default="dumpbin -symbols"
2931 target_os_default="win32"
2935 add_cflags -fprofile-arcs -ftest-coverage
2936 add_ldflags -fprofile-arcs -ftest-coverage
2939 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2940 add_ldflags -Wl,-z,relro -Wl,-z,now
2943 die "Unknown toolchain $toolchain"
2947 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2948 enabled cross_compile || host_cc_default=$cc
2951 if ! $pkg_config --version >/dev/null 2>&1; then
2952 warn "$pkg_config not found, library detection may fail."
2958 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2962 EXESUF=$(exesuf $target_os)
2963 HOSTEXESUF=$(exesuf $host_os)
2965 # set temporary file name
2966 : ${TMPDIR:=$TEMPDIR}
2970 if [ -n "$tempprefix" ] ; then
2972 echo $tempprefix.${HOSTNAME}.${UID}
2974 elif ! check_cmd mktemp -u XXXXXX; then
2975 # simple replacement for missing mktemp
2976 # NOT SAFE FOR GENERAL USE
2978 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2983 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2984 (set -C; exec > $tmp) 2>/dev/null ||
2985 die "Unable to create temporary file in $TMPDIR."
2986 append TMPFILES $tmp
2990 trap 'rm -f -- $TMPFILES' EXIT
2995 tmpfile TMPE $EXESUF
3007 # make sure we can execute files in $TMPDIR
3008 cat > $TMPSH 2>> $logfile <<EOF
3011 chmod +x $TMPSH >> $logfile 2>&1
3012 if ! $TMPSH >> $logfile 2>&1; then
3014 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3015 variable to another directory and make sure that it is not mounted noexec.
3017 die "Sanity test failed."
3023 -std=c99) echo -c99 ;;
3024 -mcpu=*) echo -arch ${flag#*=} ;;
3025 -mieee) echo -ieee ;;
3026 -O*|-fast) echo $flag ;;
3027 -fno-math-errno) echo -assume nomath_errno ;;
3029 -Wall) echo -msg_enable level2 ;;
3030 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3031 -Wl,*) echo $flag ;;
3041 -Wno-switch) echo -Wno-switch-enum ;;
3042 -Wno-format-zero-length) ;;
3043 -Wdisabled-optimization) ;;
3044 -Wno-pointer-sign) echo -Wno-other ;;
3050 msvc_common_flags(){
3053 # In addition to specifying certain flags under the compiler
3054 # specific filters, they must be specified here as well or else the
3055 # generic catch all at the bottom will print the original flag.
3059 -fomit-frame-pointer) ;;
3063 -fno-signed-zeros) ;;
3067 -lz) echo zlib.lib ;;
3068 -lavifil32) echo vfw32.lib ;;
3069 -lavicap32) echo vfw32.lib user32.lib ;;
3070 -l*) echo ${flag#-l}.lib ;;
3077 msvc_common_flags "$@"
3080 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3081 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3082 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3090 msvc_common_flags "$@"
3093 # Despite what Intel's documentation says -Wall, which is supported
3094 # on Windows, does enable remarks so disable them here.
3095 -Wall) echo $flag -Qdiag-disable:remark ;;
3096 -std=c99) echo -Qstd=c99 ;;
3104 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3105 -fomit-frame-pointer) echo -Mnoframe ;;
3116 case "${flag#*=}" in
3117 native) echo -xtarget=native ;;
3118 v9|niagara) echo -xarch=sparc ;;
3119 ultrasparc) echo -xarch=sparcvis ;;
3120 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3121 i586|pentium) echo -xchip=pentium ;;
3122 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3123 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3124 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3125 pentium4*) echo -xtarget=pentium4 ;;
3126 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3127 *-sse3) echo -xarch=sse3 ;;
3128 core2) echo -xarch=ssse3 -xchip=core2 ;;
3129 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3130 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3131 amdfam10|barcelona) echo -xtarget=barcelona ;;
3132 bdver*) echo -xarch=avx ;;
3133 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3134 k8|opteron|athlon64|athlon-fx)
3135 echo -xarch=sse2a ;;
3136 athlon*) echo -xarch=pentium_proa ;;
3139 -std=c99) echo -xc99 ;;
3140 -fomit-frame-pointer) echo -xregs=frameptr ;;
3141 -fPIC) echo -KPIC -xcode=pic32 ;;
3142 -W*,*) echo $flag ;;
3143 -f*-*|-W*|-mimpure-text) ;;
3154 case "${flag#*=}" in
3155 armv7-a|cortex-a*) echo -mv=7a8 ;;
3156 armv7-r|cortex-r*) echo -mv=7r4 ;;
3157 armv7-m|cortex-m*) echo -mv=7m3 ;;
3158 armv6*|arm11*) echo -mv=6 ;;
3159 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3161 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3164 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3165 -mfpu=vfp) echo --float_support=vfpv2 ;;
3166 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3167 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3168 -msoft-float) echo --float_support=vfplib ;;
3169 -O[0-3]|-mf=*) echo $flag ;;
3171 -pds=*) echo $flag ;;
3172 -D*|-I*) echo $flag ;;
3173 --gcc|--abi=*) echo $flag ;;
3183 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3184 unset _ld_o _ldflags _ld_lib _ld_path
3185 unset _depflags _DEPCMD _DEPFLAGS
3188 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3189 true # no-op to avoid reading stdin in following checks
3190 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3192 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3193 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3194 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3197 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3199 gcc_version=$($_cc --version | head -n1)
3200 gcc_basever=$($_cc -dumpversion)
3201 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3202 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3203 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3204 if ! $_cc -dumpversion | grep -q '^2\.'; then
3205 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3209 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3211 _ident=$($_cc --version | head -n1)
3216 elif $_cc -v 2>&1 | grep -q xlc; then
3218 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3220 _cflags_size='-O5 -qcompact'
3221 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3223 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3225 _cflags_speed='-fast'
3227 _flags_filter=ccc_flags
3228 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM C/C[+][+] Compiler|Component: ARM Compiler "; then
3229 test -d "$sysroot" || die "No valid sysroot specified."
3231 _ident=$($_cc --vsn | head -n1)
3232 armcc_conf="$PWD/armcc.conf"
3233 $_cc --arm_linux_configure \
3234 --arm_linux_config_file="$armcc_conf" \
3235 --configure_sysroot="$sysroot" \
3236 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3237 die "Error creating armcc configuration file."
3238 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3239 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3240 as_default="${cross_prefix}gcc"
3244 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3246 _ident=$($_cc -version | head -n1 | tr -s ' ')
3247 _flags='--gcc --abi=eabi -me'
3250 _depflags='-ppa -ppd=$(@:.o=.d)'
3251 _cflags_speed='-O3 -mf=5'
3252 _cflags_size='-O3 -mf=2'
3253 _flags_filter=tms470_flags
3254 elif $_cc -v 2>&1 | grep -q clang; then
3256 _ident=$($_cc --version | head -n1)
3257 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3260 elif $_cc -V 2>&1 | grep -q Sun; then
3262 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3263 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3264 _DEPFLAGS='-xM1 -xc99'
3267 _cflags_size='-O5 -xspace'
3268 _flags_filter=suncc_flags
3269 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3271 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3272 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3275 _flags_filter='filter_out -Wdisabled-optimization'
3276 elif $_cc -v 2>&1 | grep -q Open64; then
3278 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3279 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3282 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3283 elif $_cc -V 2>&1 | grep -q Portland; then
3285 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3286 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3287 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3288 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3290 _flags_filter=pgi_flags
3291 elif $_cc 2>&1 | grep -q Microsoft; then
3293 _ident=$($cc 2>&1 | head -n1)
3294 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3295 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3298 if $_cc 2>&1 | grep -q Linker; then
3305 _flags_filter=msvc_flags
3307 _ld_path='-libpath:'
3309 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3310 if [ $pfx = hostcc ]; then
3311 append _cflags -Dsnprintf=_snprintf
3314 elif $_cc 2>&1 | grep -q Intel; then
3316 _ident=$($cc 2>&1 | head -n1)
3317 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3318 # Not only is O3 broken on 13.x+ but it is slower on all previous
3319 # versions (tested) as well.
3321 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3322 if $_cc 2>&1 | grep -q Linker; then
3329 _flags_filter=icl_flags
3331 _ld_path='-libpath:'
3332 # -Qdiag-error to make icl error when seeing certain unknown arguments
3333 _flags='-nologo -Qdiag-error:4044,10157'
3334 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3335 # with MSVC which enables it by default.
3336 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3337 if [ $pfx = hostcc ]; then
3338 append _cflags -Dsnprintf=_snprintf
3340 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3342 _ident=$($_cc --version | head -n1)
3346 _flags_filter=cparser_flags
3349 eval ${pfx}_type=\$_type
3350 eval ${pfx}_ident=\$_ident
3354 eval ${1}_C=\${_cc_c-\${${1}_C}}
3355 eval ${1}_E=\${_cc_e-\${${1}_E}}
3356 eval ${1}_O=\${_cc_o-\${${1}_O}}
3358 if [ -n "$_depflags" ]; then
3359 eval ${1}_DEPFLAGS=\$_depflags
3361 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3362 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3363 eval DEP${1}FLAGS=\$_flags
3368 cflags_filter=$_flags_filter
3369 cflags_speed=$_cflags_speed
3370 cflags_size=$_cflags_size
3371 cflags_noopt=$_cflags_noopt
3372 add_cflags $_flags $_cflags
3373 cc_ldflags=$_ldflags
3376 probe_cc hostcc "$host_cc"
3377 host_cflags_filter=$_flags_filter
3378 add_host_cflags $_flags $_cflags
3381 test -n "$cc_type" && enable $cc_type ||
3382 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3384 : ${as_default:=$cc}
3385 : ${dep_cc_default:=$cc}
3386 : ${ld_default:=$cc}
3387 : ${host_ld_default:=$host_cc}
3388 set_default ar as dep_cc ld host_ld windres
3391 asflags_filter=$_flags_filter
3392 add_asflags $_flags $_cflags
3396 ldflags_filter=$_flags_filter
3397 add_ldflags $_flags $_ldflags
3398 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3400 LD_LIB=${_ld_lib-$LD_LIB}
3401 LD_PATH=${_ld_path-$LD_PATH}
3403 probe_cc hostld "$host_ld"
3404 host_ldflags_filter=$_flags_filter
3405 add_host_ldflags $_flags $_ldflags
3406 HOSTLD_O=${_ld_o-$HOSTLD_O}
3408 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3409 probe_cc depcc "$dep_cc"
3410 CCDEP=${_DEPCMD:-$DEPCMD}
3411 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3415 if $ar 2>&1 | grep -q Microsoft; then
3418 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3421 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3422 arflags='-Xany -r -c'
3429 add_cflags $extra_cflags
3430 add_cxxflags $extra_cxxflags
3431 add_asflags $extra_cflags
3433 if test -n "$sysroot"; then
3436 add_cppflags --sysroot="$sysroot"
3437 add_ldflags --sysroot="$sysroot"
3438 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3439 add_cppflags -isysroot "$sysroot"
3440 add_ldflags -isysroot "$sysroot"
3443 add_cppflags -I"$sysinclude"
3444 add_ldflags --sysroot="$sysroot"
3449 if test "$cpu" = host; then
3450 enabled cross_compile &&
3451 die "--cpu=host makes no sense when cross-compiling."
3456 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3458 s/.*$1=\\([^ ]*\\).*/\\1/
3463 cpu=$(check_native -march || check_native -mcpu)
3467 test "${cpu:-host}" = host &&
3468 die "--cpu=host not supported with compiler $cc"
3471 # Deal with common $arch aliases
3485 "Power Macintosh"|ppc*|powerpc*)
3500 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3505 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3508 # Add processor-specific flags
3509 if enabled aarch64; then
3513 cpuflags="-march=$cpu"
3516 cpuflags="-mcpu=$cpu"
3520 elif enabled alpha; then
3522 cpuflags="-mcpu=$cpu"
3524 elif enabled arm; then
3527 check_cpp_condition stddef.h \
3528 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3533 if check_arm_arch 4; then echo armv4;
3534 elif check_arm_arch 4T; then echo armv4t;
3535 elif check_arm_arch 5; then echo armv5;
3536 elif check_arm_arch 5E; then echo armv5e;
3537 elif check_arm_arch 5T; then echo armv5t;
3538 elif check_arm_arch 5TE; then echo armv5te;
3539 elif check_arm_arch 5TEJ; then echo armv5te;
3540 elif check_arm_arch 6; then echo armv6;
3541 elif check_arm_arch 6J; then echo armv6j;
3542 elif check_arm_arch 6K; then echo armv6k;
3543 elif check_arm_arch 6Z; then echo armv6z;
3544 elif check_arm_arch 6ZK; then echo armv6zk;
3545 elif check_arm_arch 6T2; then echo armv6t2;
3546 elif check_arm_arch 7; then echo armv7;
3547 elif check_arm_arch 7A 7_A; then echo armv7-a;
3548 elif check_arm_arch 7R 7_R; then echo armv7-r;
3549 elif check_arm_arch 7M 7_M; then echo armv7-m;
3550 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3551 elif check_arm_arch 8A 8_A; then echo armv8-a;
3555 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3559 cpuflags="-march=$cpu"
3560 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3563 cpuflags="-mcpu=$cpu"
3565 cortex-a*) subarch=armv7a ;;
3566 cortex-r*) subarch=armv7r ;;
3567 cortex-m*) enable thumb; subarch=armv7m ;;
3568 arm11*) subarch=armv6 ;;
3569 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3570 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3571 *) subarch=$(probe_arm_arch) ;;
3577 armv5t*) enable fast_clz ;;
3578 armv[6-8]*) enable fast_clz fast_unaligned ;;
3581 elif enabled avr32; then
3586 cpuflags="-mpart=$cpu"
3590 cpuflags="-march=$cpu"
3594 cpuflags="-mcpu=$cpu"
3598 cpuflags="-march=$cpu"
3602 elif enabled bfin; then
3604 cpuflags="-mcpu=$cpu"
3606 elif enabled mips; then
3608 cpuflags="-march=$cpu"
3624 24kef*|34kf*|1004kf*)
3632 elif enabled ppc; then
3636 case $(tolower $cpu) in
3637 601|ppc601|powerpc601)
3638 cpuflags="-mcpu=601"
3641 603*|ppc603*|powerpc603*)
3642 cpuflags="-mcpu=603"
3645 604*|ppc604*|powerpc604*)
3646 cpuflags="-mcpu=604"
3649 g3|75*|ppc75*|powerpc75*)
3650 cpuflags="-mcpu=750"
3653 g4|745*|ppc745*|powerpc745*)
3654 cpuflags="-mcpu=7450"
3656 74*|ppc74*|powerpc74*)
3657 cpuflags="-mcpu=7400"
3659 g5|970|ppc970|powerpc970)
3660 cpuflags="-mcpu=970"
3663 cpuflags="-mcpu=$cpu"
3666 cpuflags="-mcpu=cell"
3670 cpuflags="-mcpu=e500mc"
3674 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3679 cpuflags="-mcpu=8540 -mhard-float"
3685 elif enabled sparc; then
3688 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3689 cpuflags="-mcpu=$cpu"
3691 ultrasparc*|niagara[234])
3692 cpuflags="-mcpu=$cpu"
3696 elif enabled x86; then
3700 cpuflags="-march=$cpu"
3703 # targets that do NOT support nopl and conditional mov (cmov)
3704 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3705 cpuflags="-march=$cpu"
3708 # targets that do support nopl and conditional mov (cmov)
3709 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*)
3710 cpuflags="-march=$cpu"
3714 # targets that do support conditional mov but on which it's slow
3715 pentium4|pentium4m|prescott|nocona)
3716 cpuflags="-march=$cpu"
3724 if [ "$cpu" != generic ]; then
3725 add_cflags $cpuflags
3726 add_asflags $cpuflags
3729 # compiler sanity check
3731 int main(void){ return 0; }
3733 if test "$?" != 0; then
3734 echo "$cc is unable to create an executable file."
3735 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3736 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3737 echo "Only do this if you know what cross compiling means."
3739 die "C compiler test failed."
3742 add_cppflags -D_ISOC99_SOURCE
3743 add_cxxflags -D__STDC_CONSTANT_MACROS
3744 check_cflags -std=c99
3745 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3748 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3752 add_host_cppflags -D_ISOC99_SOURCE
3753 check_host_cflags -std=c99
3754 check_host_cflags -Wall
3755 check_host_cflags -O3
3761 check_code cc "" "int test[2*($expr) - 1]" &&
3762 subarch=$arch64 || subarch=$arch32
3770 check_64bit mips mips64 '_MIPS_SIM > 1'
3774 check_64bit parisc parisc64 'sizeof(void *) > 4'
3778 check_64bit ppc ppc64 'sizeof(void *) > 4'
3782 check_64bit s390 s390x 'sizeof(void *) > 4'
3786 check_64bit sparc sparc64 'sizeof(void *) > 4'
3790 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3791 if test "$subarch" = "x86_64"; then
3796 check_cc <<EOF && subarch="ppc64"
3797 int test[(int)sizeof(char*) - 7];
3803 enabled spic && enable_weak pic
3809 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3810 enabled shared && add_ldflags -Wl,-brtl
3813 prefix_default="/boot/common"
3814 network_extralibs="-lnetwork"
3818 SHFLAGS='-shared -Wl,-h,$$(@F)'
3819 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3820 network_extralibs="-lsocket -lnsl"
3821 # When using suncc to build, the Solaris linker will mark
3822 # an executable with each instruction set encountered by
3823 # the Solaris assembler. As our libraries contain their own
3824 # guards for processor-specific code, instead suppress
3825 # generation of the HWCAPS ELF section on Solaris x86 only.
3826 enabled_all suncc x86 &&
3827 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3828 add_ldflags -Wl,-M,mapfile
3829 nm_default='nm -P -g'
3833 oss_indev_extralibs="-lossaudio"
3834 oss_outdev_extralibs="-lossaudio"
3835 enabled gcc || check_ldflags -Wl,-zmuldefs
3840 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3842 oss_indev_extralibs="-lossaudio"
3843 oss_outdev_extralibs="-lossaudio"
3851 add_extralibs -lpoll -lgnugetopt
3855 test "${as#*gas-preprocessor.pl}" != "$as" || gas="${gas:=gas-preprocessor.pl} ${as:=$cc}"
3856 enabled ppc && add_asflags -force_cpusubtype_ALL
3857 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3858 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3860 add_ldflags -Wl,-dynamic,-search_paths_first
3862 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3863 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3865 enabled x86_64 && objformat="macho64"
3866 enabled_any pic shared ||
3867 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3870 if test $target_os = "mingw32ce"; then
3876 if enabled x86_64; then
3877 LIBTARGET="i386:x86-64"
3878 elif enabled arm; then
3881 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3882 check_ldflags -Wl,--nxcompat
3883 check_ldflags -Wl,--dynamicbase
3884 shlibdir_default="$bindir_default"
3887 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3888 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3889 dlltool="${cross_prefix}dlltool"
3890 if check_cmd lib.exe -list; then
3891 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3892 if enabled x86_64; then
3895 elif check_cmd $dlltool --version; then
3896 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3898 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3900 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3901 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3902 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3909 if enabled shared; then
3910 # Link to the import library instead of the normal static library
3913 # Cannot build both shared and static libs with MSVC or icl.
3916 shlibdir_default="$bindir_default"
3919 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3920 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3921 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3922 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3924 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3925 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3926 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3933 shlibdir_default="$bindir_default"
3936 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3937 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3938 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3940 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3941 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3944 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3946 *-dos|freedos|opendos)
3947 network_extralibs="-lsocket"
3950 add_cppflags -U__STRICT_ANSI__
3957 ranlib="echo ignoring ranlib"
3963 add_cppflags -D_GNU_SOURCE
3964 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3965 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3969 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3970 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3971 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3972 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3973 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3974 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3975 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3976 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3977 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3978 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3979 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3981 enable_weak os2threads
3984 add_cppflags -D_BSD_SOURCE
3989 add_cppflags -D_QNX_SOURCE
3990 network_extralibs="-lsocket"
3995 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3996 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3997 add_ldflags -Wl,--target1-abs,--no-undefined \
3998 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3999 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4000 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4001 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4002 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4005 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4010 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4011 -D_REENTRANT_SOURCE \
4012 -D_RESEARCH_SOURCE \
4015 add_compat strtod.o strtod=avpriv_strtod
4016 network_extralibs='-lbsd'
4017 exeobjs=compat/plan9/main.o
4024 die "Unknown OS '$target_os'."
4028 # determine libc flavour
4033 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4034 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4035 eval ${pfx}libc_type=uclibc
4036 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4037 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4038 eval ${pfx}libc_type=glibc
4039 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4040 # MinGW headers can be installed on Cygwin, so check for newlib first.
4041 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4042 eval ${pfx}libc_type=newlib
4043 add_${pfx}cppflags -U__STRICT_ANSI__
4044 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4045 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4046 eval ${pfx}libc_type=mingw64
4047 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4048 add_compat msvcrt/snprintf.o
4049 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4051 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4052 eval test \$${pfx_no_}cc_type = "gcc" &&
4053 add_${pfx}cppflags -D__printf__=__gnu_printf__
4054 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4055 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4056 eval ${pfx}libc_type=mingw32
4057 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4058 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||