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-incompatible-fork-abi enable incompatible Libav fork ABI (deprecated) [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 --enable-vda enable VDA code
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-libx264 enable H.264 encoding via x264 [no]
245 --enable-libxavs enable AVS encoding via xavs [no]
246 --enable-libxvid enable Xvid encoding via xvidcore,
247 native MPEG-4/Xvid encoder exists [no]
248 --enable-libzmq enable message passing via libzmq [no]
249 --enable-libzvbi enable teletext support via libzvbi [no]
250 --enable-openal enable OpenAL 1.1 capture support [no]
251 --enable-opencl enable OpenCL code
252 --enable-openssl enable openssl [no]
253 --enable-x11grab enable X11 grabbing [no]
254 --disable-zlib disable zlib [autodetect]
256 Advanced options (experts only):
257 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
258 --enable-cross-compile assume a cross-compiler is used
259 --sysroot=PATH root of cross-build tree
260 --sysinclude=PATH location of cross-build system headers
261 --target-os=OS compiler targets OS [$target_os]
262 --target-exec=CMD command to run executables on target
263 --target-path=DIR path to view of build directory on target
264 --target-samples=DIR path to samples directory on target
265 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
266 --toolchain=NAME set tool defaults according to NAME
267 --nm=NM use nm tool NM [$nm_default]
268 --ar=AR use archive tool AR [$ar_default]
269 --as=AS use assembler AS [$as_default]
270 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
271 --cc=CC use C compiler CC [$cc_default]
272 --cxx=CXX use C compiler CXX [$cxx_default]
273 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
274 --ld=LD use linker LD [$ld_default]
275 --host-cc=HOSTCC use host C compiler HOSTCC
276 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
277 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
278 --host-ld=HOSTLD use host linker HOSTLD
279 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
280 --host-libs=HLIBS use libs HLIBS when linking for host
281 --host-os=OS compiler host OS [$target_os]
282 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
283 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
284 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
285 --extra-libs=ELIBS add ELIBS [$ELIBS]
286 --extra-version=STRING version string suffix []
287 --optflags=OPTFLAGS override optimization-related compiler flags
288 --build-suffix=SUFFIX library name suffix []
289 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
290 --progs-suffix=SUFFIX program name suffix []
291 --arch=ARCH select architecture [$arch]
292 --cpu=CPU select the minimum required CPU (affects
293 instruction selection, may crash on older CPUs)
294 --enable-pic build position-independent code
295 --enable-sram allow use of on-chip SRAM
296 --enable-thumb compile for Thumb instruction set
297 --disable-symver disable symbol versioning
298 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
299 --disable-safe-bitstream-reader
300 disable buffer boundary checking in bitreaders
301 (faster, but may crash)
302 --enable-memalign-hack emulate memalign, interferes with memory debuggers
303 --enable-lto use link-time optimization
305 Optimization options (experts only):
306 --disable-asm disable all assembler optimizations
307 --disable-altivec disable AltiVec optimizations
308 --disable-amd3dnow disable 3DNow! optimizations
309 --disable-amd3dnowext disable 3DNow! extended optimizations
310 --disable-mmx disable MMX optimizations
311 --disable-mmxext disable MMXEXT optimizations
312 --disable-sse disable SSE optimizations
313 --disable-sse2 disable SSE2 optimizations
314 --disable-sse3 disable SSE3 optimizations
315 --disable-ssse3 disable SSSE3 optimizations
316 --disable-sse4 disable SSE4 optimizations
317 --disable-sse42 disable SSE4.2 optimizations
318 --disable-avx disable AVX optimizations
319 --disable-fma4 disable FMA4 optimizations
320 --disable-avx2 disable AVX2 optimizations
321 --disable-armv5te disable armv5te optimizations
322 --disable-armv6 disable armv6 optimizations
323 --disable-armv6t2 disable armv6t2 optimizations
324 --disable-vfp disable VFP optimizations
325 --disable-neon disable NEON optimizations
326 --disable-vis disable VIS optimizations
327 --disable-inline-asm disable use of inline assembler
328 --disable-yasm disable use of yasm assembler
329 --disable-mips32r2 disable MIPS32R2 optimizations
330 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
331 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
332 --disable-mipsfpu disable floating point MIPS optimizations
333 --disable-fast-unaligned consider unaligned accesses slow
335 Developer options (useful when working on FFmpeg itself):
336 --disable-debug disable debugging symbols
337 --enable-debug=LEVEL set the debug level [$debuglevel]
338 --disable-optimizations disable compiler optimizations
339 --enable-extra-warnings enable more compiler warnings
340 --disable-stripping disable stripping of executables and shared libraries
341 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
342 2 causes a slowdown at runtime.
343 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
344 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
345 leaks and errors, using the specified valgrind binary.
346 Cannot be combined with --target-exec
347 --enable-ftrapv Trap arithmetic overflows
348 --samples=PATH location of test samples for FATE, if not set use
349 \$FATE_SAMPLES at make invocation time.
350 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
351 should be used only for debugging purposes)
352 --enable-random randomly enable/disable components
354 --enable-random=LIST randomly enable/disable specific components or
355 --disable-random=LIST component groups. LIST is a comma-separated list
356 of NAME[:PROB] entries where NAME is a component
357 (group) and PROB the probability associated with
359 --random-seed=VALUE seed value for --enable/disable-random
361 NOTE: Object files are built at the place where configure is launched.
369 echo "$@" >> $logfile
374 pr -n -t $1 >> $logfile
385 WARNINGS="${WARNINGS}WARNING: $*\n"
392 If you think configure made a mistake, make sure you are using the latest
393 version from Git. If the latest version fails, report the problem to the
394 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
396 if disabled logging; then
398 Rerun configure with logging enabled (do not use --disable-logging), and
399 include the log this produces with your report.
403 Include the log file "$logfile" produced by configure as this will help
410 # Avoid locale weirdness, besides we really just want to translate ASCII.
412 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
416 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
420 echo "$*" | sed 's/["\\]/\\\0/g'
424 v=$(echo "$1" | sed "s/'/'\\\\''/g")
425 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
430 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\r//g'
437 eval "case $v in $pat) echo $v ;; esac"
445 eval "case $v in $pat) ;; *) echo $v ;; esac"
452 for v; do eval $m; done
458 for v; do echo ${v}${suffix}; done
473 eval : \${$var:=$value}
478 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
484 eval $(sanitize_var_name "$var")='$*'
488 eval echo \$$(sanitize_var_name "$1")
493 eval level=\${${pvar}_level:=0}
494 eval ${pvar}_${level}="\$$pvar"
495 eval ${pvar}_level=$(($level+1))
501 eval level=\${${pvar}_level:-0}
502 test $level = 0 && continue
503 eval level=$(($level-1))
504 eval $pvar="\${${pvar}_${level}}"
505 eval ${pvar}_level=$level
506 eval unset ${pvar}_${level}
528 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
534 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
540 enabled $var && continue
541 eval sel="\$${var}_select"
542 eval sgs="\$${var}_suggest"
546 enable_deep_weak $sgs
558 disabled $var && continue
567 test "${1#!}" = "$1" && op== || op=!=
568 eval test "x\$${1#!}" $op "xyes"
572 test "${1#!}" = "$1" && op== || op=!=
573 eval test "x\$${1#!}" $op "xno"
578 enabled $opt || return 1
584 disabled $opt || return 1
590 enabled $opt && return 0
596 disabled $opt && return 0
603 eval : \${$opt:=\$${opt}_default}
611 [ $var = $value ] && return 0
619 enabled ${cfg}_checking && die "Circular dependency for $cfg."
620 disabled ${cfg}_checking && continue
621 enable ${cfg}_checking
624 eval dep_all="\$${cfg}_deps"
625 eval dep_any="\$${cfg}_deps_any"
626 eval dep_sel="\$${cfg}_select"
627 eval dep_sgs="\$${cfg}_suggest"
628 eval dep_ifa="\$${cfg}_if"
629 eval dep_ifn="\$${cfg}_if_any"
631 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
632 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
633 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
635 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
636 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
637 enabled_all $dep_all || disable $cfg
638 enabled_any $dep_any || disable $cfg
639 disabled_any $dep_sel && disable $cfg
641 if enabled $cfg; then
643 enable_deep_weak $dep_sgs
646 disable ${cfg}_checking
655 for cfg in $allopts; do
656 enabled $cfg || continue
657 eval dep_extralibs="\$${cfg}_extralibs"
658 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
666 map 'eval echo "$v \${$v:-no}"' "$@" |
667 awk "BEGIN { split(\"$files\", files) }
669 c = \"$pfx\" toupper(\$1);
675 if (file ~ /\\.h\$/) {
676 printf(\"#define %s %d\\n\", c, v) >>file;
677 } else if (file ~ /\\.asm\$/) {
678 printf(\"%%define %s %d\\n\", c, v) >>file;
679 } else if (file ~ /\\.mak\$/) {
680 n = -v ? \"\" : \"!\";
681 printf(\"%s%s=yes\\n\", n, c) >>file;
682 } else if (file ~ /\\.texi\$/) {
683 pre = -v ? \"\" : \"@c \";
686 gsub(/_/, \"-\", c2);
687 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
697 enabled $v && printf "%s\n" ${v%$suf};
704 eval "$var=\"\$$var $*\""
710 eval "$var=\"$* \$$var\""
718 append CFLAGS $($cflags_filter "$@")
722 append CXXFLAGS $($cflags_filter "$@")
726 append ASFLAGS $($asflags_filter "$@")
730 append LDFLAGS $($ldflags_filter "$@")
734 append ASMSTRIPFLAGS "$@"
738 prepend extralibs $($ldflags_filter "$@")
742 append host_cppflags "$@"
746 append host_cflags $($host_cflags_filter "$@")
750 append host_ldflags $($host_ldflags_filter "$@")
754 append compat_objs $1
756 map 'add_cppflags -D$v' "$@"
761 "$@" >> $logfile 2>&1
765 eval printf '%s\\n' $CC_O
769 eval printf '%s\\n' $CC_E
776 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
783 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
790 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
794 eval printf '%s\\n' $AS_O
801 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
805 log check_inline_asm "$@"
810 check_cc "$@" <<EOF && enable $name
811 void foo(void){ __asm__ volatile($code); }
817 check_inline_asm ${1}_inline "\"$2\""
818 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
826 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
830 eval printf '%s\\n' $LD_O
837 flags=$(filter_out '-l*|*.so' $@)
838 libs=$(filter '-l*|*.so' $@)
839 check_$type $($cflags_filter $flags) || return
840 flags=$($ldflags_filter $flags)
841 libs=$($ldflags_filter $libs)
842 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
852 for hdr in $headers; do
853 echo "#include <$hdr>"
855 echo "int main(void) { $code; return 0; }"
856 } | check_$check "$@"
860 log check_cppflags "$@"
861 check_cc "$@" <<EOF && append CPPFLAGS "$@"
868 set -- $($cflags_filter "$@")
875 log check_cflags "$@"
876 test_cflags "$@" && add_cflags "$@"
880 log check_cxxflags "$@"
881 set -- $($cflags_filter "$@")
882 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
888 log test_ldflags "$@"
889 check_ld "cc" "$@" <<EOF
890 int main(void){ return 0; }
895 log check_ldflags "$@"
896 test_ldflags "$@" && add_ldflags "$@"
900 log test_stripflags "$@"
901 # call check_cc to get a fresh TMPO
903 int main(void) { return 0; }
905 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
909 log check_stripflags "$@"
910 test_stripflags "$@" && add_stripflags "$@"
914 log check_header "$@"
918 check_cpp "$@" <<EOF && enable_safe $header
929 check_ld "cc" "$@" <<EOF && enable $func
931 int main(void){ $func(); }
936 log check_mathfunc "$@"
940 test $narg = 2 && args="f, g" || args="f"
942 check_ld "cc" "$@" <<EOF && enable $func
944 float foo(float f, float g) { return $func($args); }
945 int main(void){ return (int) foo; }
949 check_func_headers(){
950 log check_func_headers "$@"
955 for hdr in $headers; do
956 echo "#include <$hdr>"
958 for func in $funcs; do
959 echo "long check_$func(void) { return (long) $func; }"
961 echo "int main(void) { return 0; }"
962 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
965 check_class_headers_cpp(){
966 log check_class_headers_cpp "$@"
971 for hdr in $headers; do
972 echo "#include <$hdr>"
974 echo "int main(void) { "
976 for class in $classes; do
981 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
984 check_cpp_condition(){
985 log check_cpp_condition "$@"
992 #error "unsatisfied condition: $condition"
1002 check_header $header && check_func $func "$@" && add_extralibs "$@"
1010 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1014 log check_lib_cpp "$@"
1018 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1022 log check_pkg_config "$@"
1027 check_cmd $pkg_config --exists --print-errors $pkg || return
1028 pkg_cflags=$($pkg_config --cflags $pkg)
1029 pkg_libs=$($pkg_config --libs $pkg)
1030 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1031 set_safe ${pkg}_cflags $pkg_cflags &&
1032 set_safe ${pkg}_libs $pkg_libs
1036 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1042 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1043 # are safe but may not be available everywhere. Thus we use
1044 # raise(SIGTERM) instead. The check is run in a subshell so we
1045 # can redirect the "Terminated" message from the shell. SIGBUS
1046 # is not defined by standard C so it is used conditionally.
1048 (check_exec "$@") >> $logfile 2>&1 <<EOF
1050 static void sighandler(int sig){
1056 int (*func_ptr)(void) = foo;
1058 signal(SIGILL, sighandler);
1059 signal(SIGFPE, sighandler);
1060 signal(SIGSEGV, sighandler);
1062 signal(SIGBUS, sighandler);
1074 disable_safe "$type"
1075 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1079 log check_struct "$@"
1084 disable_safe "${struct}_${member}"
1085 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1086 enable_safe "${struct}_${member}"
1090 log check_builtin "$@"
1096 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1104 check_lib $header $func "$@" || die "ERROR: $name not found"
1112 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1120 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1123 require_pkg_config(){
1125 check_pkg_config "$@" || die "ERROR: $pkg not found"
1126 add_cflags $(get_safe ${pkg}_cflags)
1127 add_extralibs $(get_safe ${pkg}_libs)
1131 eval printf '%s\\n' $HOSTCC_O
1135 log check_host_cc "$@"
1138 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1141 check_host_cppflags(){
1142 log check_host_cppflags "$@"
1143 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1148 check_host_cflags(){
1149 log check_host_cflags "$@"
1150 set -- $($host_cflags_filter "$@")
1151 check_host_cc "$@" <<EOF && append host_cflags "$@"
1159 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1163 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1164 mkdir -p "$(dirname $2)"
1168 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1169 # system-dependent things.
1186 decoding_encoding_example
1187 demuxing_decoding_example
1188 filtering_audio_example
1189 filtering_video_example
1192 resampling_audio_example
1193 scaling_video_example
1194 transcode_aac_example
1197 EXTERNAL_LIBRARY_LIST="
1298 $EXTERNAL_LIBRARY_LIST
1311 incompatible_libav_abi
1312 incompatible_fork_abi
1323 safe_bitstream_reader
1420 incompatible_libav_abi
1421 incompatible_fork_abi
1454 $(add_suffix _external $ARCH_EXT_LIST)
1455 $(add_suffix _inline $ARCH_EXT_LIST)
1475 cdio_paranoia_paranoia_h
1483 dev_bktr_ioctl_bt848_h
1484 dev_bktr_ioctl_meteor_h
1486 dev_video_bktr_ioctl_bt848_h
1487 dev_video_meteor_ioctl_meteor_h
1503 GetProcessAffinityMask
1504 GetProcessMemoryInfo
1506 GetSystemTimeAsFileTime
1518 jack_port_get_latency_range
1528 machine_ioctl_bt848_h
1529 machine_ioctl_meteor_h
1542 openjpeg_1_5_openjpeg_h
1555 SetConsoleTextAttribute
1564 struct_group_source_req
1565 struct_ip_mreq_source
1568 struct_rusage_ru_maxrss
1569 struct_sctp_event_subscribe
1571 struct_sockaddr_sa_len
1572 struct_sockaddr_storage
1573 struct_stat_st_mtim_tv_nsec
1574 struct_v4l2_frmivalenum_discrete
1577 sync_val_compare_and_swap
1603 # options emitted with CONFIG_ prefix but not available on the command line
1610 frame_thread_encoder
1713 # code dependency declarations
1715 # architecture extensions
1724 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1727 mips32r2_deps="mips"
1728 mipsdspr1_deps="mips"
1729 mipsdspr2_deps="mips"
1737 x86_64_select="i686"
1738 x86_64_suggest="fast_cmov"
1741 amd3dnowext_deps="amd3dnow"
1754 mmx_external_deps="yasm"
1755 mmx_inline_deps="inline_asm"
1756 mmx_suggest="mmx_external mmx_inline"
1758 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1759 eval dep=\$${ext}_deps
1760 eval ${ext}_external_deps='"${dep}_external"'
1761 eval ${ext}_inline_deps='"${dep}_inline"'
1762 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1765 aligned_stack_if_any="ppc x86"
1766 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1767 fast_clz_if_any="alpha avr32 mips ppc x86"
1768 fast_unaligned_if_any="ppc x86"
1770 inline_asm_deps="!tms470"
1771 need_memalign="altivec neon sse"
1773 symver_if_any="symver_asm_label symver_gnu_asm"
1779 error_resilience_select="dsputil"
1780 frame_thread_encoder_deps="encoders threads"
1781 lpc_select="dsputil"
1784 mpegaudio_select="mpegaudiodsp"
1785 mpegaudiodsp_select="dct"
1786 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1787 mpegvideoenc_select="mpegvideo"
1789 # decoders / encoders
1790 aac_decoder_select="mdct sinewin"
1791 aac_encoder_select="audio_frame_queue mdct sinewin"
1792 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1793 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1794 ac3_encoder_select="mdct ac3dsp dsputil"
1795 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1796 aic_decoder_select="dsputil golomb"
1797 alac_encoder_select="lpc"
1798 als_decoder_select="dsputil"
1799 amrnb_decoder_select="lsp"
1800 amrwb_decoder_select="lsp"
1801 amv_decoder_select="dsputil hpeldsp exif"
1802 amv_encoder_select="aandcttables"
1803 ape_decoder_select="dsputil"
1804 asv1_decoder_select="dsputil"
1805 asv1_encoder_select="dsputil"
1806 asv2_decoder_select="dsputil"
1807 asv2_encoder_select="dsputil"
1808 atrac1_decoder_select="mdct sinewin"
1809 atrac3_decoder_select="mdct"
1810 avrn_decoder_select="exif"
1811 bink_decoder_select="dsputil hpeldsp"
1812 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1813 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1814 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1815 cllc_decoder_select="dsputil"
1816 comfortnoise_encoder_select="lpc"
1817 cook_decoder_select="dsputil mdct sinewin"
1818 cscd_decoder_select="lzo"
1819 cscd_decoder_suggest="zlib"
1820 dca_decoder_select="mdct"
1821 dirac_decoder_select="dsputil dwt golomb videodsp"
1822 dnxhd_decoder_select="dsputil"
1823 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1824 dvvideo_decoder_select="dsputil"
1825 dvvideo_encoder_select="dsputil"
1826 dxa_decoder_select="zlib"
1827 eac3_decoder_select="ac3_decoder"
1828 eac3_encoder_select="ac3_encoder"
1829 eamad_decoder_select="aandcttables dsputil mpegvideo"
1830 eatgq_decoder_select="aandcttables"
1831 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1832 exr_decoder_select="zlib"
1833 ffv1_decoder_select="dsputil golomb rangecoder"
1834 ffv1_encoder_select="dsputil rangecoder"
1835 ffvhuff_decoder_select="dsputil"
1836 ffvhuff_encoder_select="dsputil huffman"
1837 flac_decoder_select="golomb"
1838 flac_encoder_select="dsputil golomb lpc"
1839 flashsv_decoder_select="zlib"
1840 flashsv_encoder_select="zlib"
1841 flashsv2_encoder_select="zlib"
1842 flashsv2_decoder_select="zlib"
1843 flv_decoder_select="h263_decoder"
1844 flv_encoder_select="h263_encoder"
1845 fourxm_decoder_select="dsputil"
1846 fraps_decoder_select="dsputil huffman"
1847 g2m_decoder_select="dsputil zlib"
1848 g729_decoder_select="dsputil"
1849 h261_decoder_select="error_resilience mpegvideo"
1850 h261_encoder_select="aandcttables mpegvideoenc"
1851 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
1852 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1853 h263i_decoder_select="h263_decoder"
1854 h263p_encoder_select="h263_encoder"
1855 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1856 h264_decoder_suggest="error_resilience"
1857 hevc_decoder_select="dsputil golomb videodsp"
1858 huffyuv_decoder_select="dsputil"
1859 huffyuv_encoder_select="dsputil huffman"
1860 iac_decoder_select="dsputil fft mdct sinewin"
1861 imc_decoder_select="dsputil fft mdct sinewin"
1862 indeo3_decoder_select="hpeldsp"
1863 interplay_video_decoder_select="hpeldsp"
1864 jpegls_decoder_select="dsputil golomb hpeldsp exif"
1865 jpegls_encoder_select="golomb"
1866 jv_decoder_select="dsputil"
1867 lagarith_decoder_select="dsputil"
1868 ljpeg_encoder_select="aandcttables mpegvideoenc"
1869 loco_decoder_select="golomb"
1870 mdec_decoder_select="dsputil error_resilience mpegvideo"
1871 metasound_decoder_select="lsp mdct sinewin"
1872 mimic_decoder_select="dsputil hpeldsp"
1873 mjpeg_decoder_select="dsputil hpeldsp exif"
1874 mjpegb_decoder_select="dsputil hpeldsp exif"
1875 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1876 mlp_decoder_select="dsputil mlp_parser"
1877 motionpixels_decoder_select="dsputil"
1878 mp1_decoder_select="mpegaudio"
1879 mp1float_decoder_select="mpegaudio"
1880 mp2_decoder_select="mpegaudio"
1881 mp2float_decoder_select="mpegaudio"
1882 mp3_decoder_select="mpegaudio"
1883 mp3adu_decoder_select="mpegaudio"
1884 mp3adufloat_decoder_select="mpegaudio"
1885 mp3float_decoder_select="mpegaudio"
1886 mp3on4_decoder_select="mpegaudio"
1887 mp3on4float_decoder_select="mpegaudio"
1888 mpc7_decoder_select="dsputil mpegaudiodsp"
1889 mpc8_decoder_select="dsputil mpegaudiodsp"
1890 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1891 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1892 mpeg1video_decoder_select="error_resilience mpegvideo"
1893 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1894 mpeg2video_decoder_select="error_resilience mpegvideo"
1895 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1896 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1897 mpeg4_encoder_select="h263_encoder"
1898 msmpeg4v1_decoder_select="h263_decoder"
1899 msmpeg4v2_decoder_select="h263_decoder"
1900 msmpeg4v2_encoder_select="h263_encoder"
1901 msmpeg4v3_decoder_select="h263_decoder"
1902 msmpeg4v3_encoder_select="h263_encoder"
1903 mss2_decoder_select="error_resilience vc1_decoder"
1904 mxpeg_decoder_select="dsputil hpeldsp exif"
1905 nellymoser_decoder_select="mdct sinewin"
1906 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1907 nuv_decoder_select="dsputil lzo"
1908 png_decoder_select="zlib"
1909 png_encoder_select="dsputil zlib"
1910 prores_decoder_select="dsputil"
1911 prores_encoder_select="dsputil"
1912 qcelp_decoder_select="lsp"
1913 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1914 ra_144_encoder_select="audio_frame_queue lpc"
1915 ralf_decoder_select="golomb"
1916 rtjpeg_decoder_select="dsputil"
1917 rv10_decoder_select="error_resilience h263_decoder h263dsp"
1918 rv10_encoder_select="h263_encoder"
1919 rv20_decoder_select="error_resilience h263_decoder h263dsp"
1920 rv20_encoder_select="h263_encoder"
1921 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1922 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1923 shorten_decoder_select="golomb"
1924 sipr_decoder_select="lsp"
1925 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
1926 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
1927 sonic_decoder_select="golomb"
1928 sonic_encoder_select="golomb"
1929 sonic_ls_encoder_select="golomb"
1930 sp5x_decoder_select="dsputil hpeldsp exif"
1931 svq1_decoder_select="hpeldsp"
1932 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1933 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1934 svq3_decoder_suggest="error_resilience zlib"
1935 tak_decoder_select="dsputil"
1936 theora_decoder_select="vp3_decoder"
1937 tiff_decoder_suggest="zlib"
1938 tiff_encoder_suggest="zlib"
1939 thp_decoder_select="dsputil hpeldsp exif"
1940 truehd_decoder_select="mlp_parser"
1941 truemotion2_decoder_select="dsputil"
1942 truespeech_decoder_select="dsputil"
1943 tscc_decoder_select="zlib"
1944 twinvq_decoder_select="mdct lsp sinewin"
1945 utvideo_decoder_select="dsputil"
1946 utvideo_encoder_select="dsputil huffman"
1947 vble_decoder_select="dsputil"
1948 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1949 vc1image_decoder_select="vc1_decoder"
1950 vorbis_decoder_select="mdct"
1951 vorbis_encoder_select="mdct"
1952 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1953 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1954 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1955 vp6a_decoder_select="vp6_decoder"
1956 vp6f_decoder_select="vp6_decoder"
1957 vp8_decoder_select="h264pred videodsp"
1958 vp9_decoder_select="videodsp"
1959 webp_decoder_select="vp8_decoder"
1960 wmapro_decoder_select="mdct sinewin"
1961 wmav1_decoder_select="mdct sinewin"
1962 wmav1_encoder_select="mdct sinewin"
1963 wmav2_decoder_select="mdct sinewin"
1964 wmav2_encoder_select="mdct sinewin"
1965 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1966 wmv1_decoder_select="h263_decoder"
1967 wmv1_encoder_select="h263_encoder"
1968 wmv2_decoder_select="h263_decoder videodsp"
1969 wmv2_encoder_select="h263_encoder"
1970 wmv3_decoder_select="vc1_decoder"
1971 wmv3image_decoder_select="wmv3_decoder"
1972 zerocodec_decoder_select="zlib"
1973 zlib_decoder_select="zlib"
1974 zlib_encoder_select="zlib"
1975 zmbv_decoder_select="zlib"
1976 zmbv_encoder_select="zlib"
1978 # hardware accelerators
1979 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1980 dxva2_deps="dxva2api_h"
1981 vaapi_deps="va_va_h"
1982 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1983 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1984 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1986 h263_vaapi_hwaccel_deps="vaapi"
1987 h263_vaapi_hwaccel_select="h263_decoder"
1988 h263_vdpau_hwaccel_deps="vdpau"
1989 h263_vdpau_hwaccel_select="h263_decoder"
1990 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1991 h264_dxva2_hwaccel_deps="dxva2"
1992 h264_dxva2_hwaccel_select="h264_decoder"
1993 h264_vaapi_hwaccel_deps="vaapi"
1994 h264_vaapi_hwaccel_select="h264_decoder"
1995 h264_vda_decoder_deps="vda"
1996 h264_vda_decoder_select="h264_decoder"
1997 h264_vda_hwaccel_deps="vda"
1998 h264_vda_hwaccel_select="h264_decoder"
1999 h264_vdpau_decoder_deps="vdpau"
2000 h264_vdpau_decoder_select="h264_decoder"
2001 h264_vdpau_hwaccel_deps="vdpau"
2002 h264_vdpau_hwaccel_select="h264_decoder"
2003 mpeg_vdpau_decoder_deps="vdpau"
2004 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2005 mpeg1_vdpau_decoder_deps="vdpau"
2006 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2007 mpeg1_vdpau_hwaccel_deps="vdpau"
2008 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2009 mpeg2_crystalhd_decoder_select="crystalhd"
2010 mpeg2_dxva2_hwaccel_deps="dxva2"
2011 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2012 mpeg2_vaapi_hwaccel_deps="vaapi"
2013 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2014 mpeg2_vdpau_hwaccel_deps="vdpau"
2015 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2016 mpeg4_crystalhd_decoder_select="crystalhd"
2017 mpeg4_vaapi_hwaccel_deps="vaapi"
2018 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2019 mpeg4_vdpau_decoder_deps="vdpau"
2020 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2021 mpeg4_vdpau_hwaccel_deps="vdpau"
2022 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2023 msmpeg4_crystalhd_decoder_select="crystalhd"
2024 vc1_crystalhd_decoder_select="crystalhd"
2025 vc1_dxva2_hwaccel_deps="dxva2"
2026 vc1_dxva2_hwaccel_select="vc1_decoder"
2027 vc1_vaapi_hwaccel_deps="vaapi"
2028 vc1_vaapi_hwaccel_select="vc1_decoder"
2029 vc1_vdpau_decoder_deps="vdpau"
2030 vc1_vdpau_decoder_select="vc1_decoder"
2031 vc1_vdpau_hwaccel_deps="vdpau"
2032 vc1_vdpau_hwaccel_select="vc1_decoder"
2033 wmv3_crystalhd_decoder_select="crystalhd"
2034 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2035 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2036 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2037 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2040 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
2041 hevc_parser_select="hevc_decoder"
2042 mpeg4video_parser_select="error_resilience mpegvideo"
2043 mpegvideo_parser_select="error_resilience mpegvideo"
2044 vc1_parser_select="mpegvideo"
2046 # external libraries
2047 libaacplus_encoder_deps="libaacplus"
2048 libcelt_decoder_deps="libcelt"
2049 libfaac_encoder_deps="libfaac"
2050 libfaac_encoder_select="audio_frame_queue"
2051 libfdk_aac_decoder_deps="libfdk_aac"
2052 libfdk_aac_encoder_deps="libfdk_aac"
2053 libfdk_aac_encoder_select="audio_frame_queue"
2054 libgme_demuxer_deps="libgme"
2055 libgsm_decoder_deps="libgsm"
2056 libgsm_encoder_deps="libgsm"
2057 libgsm_ms_decoder_deps="libgsm"
2058 libgsm_ms_encoder_deps="libgsm"
2059 libilbc_decoder_deps="libilbc"
2060 libilbc_encoder_deps="libilbc"
2061 libmodplug_demuxer_deps="libmodplug"
2062 libmp3lame_encoder_deps="libmp3lame"
2063 libmp3lame_encoder_select="audio_frame_queue"
2064 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2065 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2066 libopencore_amrnb_encoder_select="audio_frame_queue"
2067 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2068 libopenjpeg_decoder_deps="libopenjpeg"
2069 libopenjpeg_encoder_deps="libopenjpeg"
2070 libopus_decoder_deps="libopus"
2071 libopus_encoder_deps="libopus"
2072 libopus_encoder_select="audio_frame_queue"
2073 libquvi_demuxer_deps="libquvi"
2074 libschroedinger_decoder_deps="libschroedinger"
2075 libschroedinger_encoder_deps="libschroedinger"
2076 libshine_encoder_deps="libshine"
2077 libshine_encoder_select="audio_frame_queue"
2078 libspeex_decoder_deps="libspeex"
2079 libspeex_encoder_deps="libspeex"
2080 libspeex_encoder_select="audio_frame_queue"
2081 libstagefright_h264_decoder_deps="libstagefright_h264"
2082 libtheora_encoder_deps="libtheora"
2083 libtwolame_encoder_deps="libtwolame"
2084 libvo_aacenc_encoder_deps="libvo_aacenc"
2085 libvo_aacenc_encoder_select="audio_frame_queue"
2086 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2087 libvorbis_decoder_deps="libvorbis"
2088 libvorbis_encoder_deps="libvorbis"
2089 libvorbis_encoder_select="audio_frame_queue"
2090 libvpx_vp8_decoder_deps="libvpx"
2091 libvpx_vp8_encoder_deps="libvpx"
2092 libvpx_vp9_decoder_deps="libvpx"
2093 libvpx_vp9_encoder_deps="libvpx"
2094 libwavpack_encoder_deps="libwavpack"
2095 libx264_encoder_deps="libx264"
2096 libx264rgb_encoder_deps="libx264"
2097 libxavs_encoder_deps="libxavs"
2098 libxvid_encoder_deps="libxvid"
2099 libutvideo_decoder_deps="libutvideo"
2100 libutvideo_encoder_deps="libutvideo"
2101 libzvbi_teletext_decoder_deps="libzvbi"
2104 ac3_demuxer_select="ac3_parser"
2105 asf_demuxer_select="riffdec"
2106 asf_muxer_select="riffenc"
2107 asf_stream_muxer_select="asf_muxer"
2108 avi_demuxer_select="riffdec"
2109 avi_muxer_select="riffenc"
2110 avisynth_demuxer_deps="avisynth"
2111 avisynth_demuxer_select="riffdec"
2112 caf_demuxer_select="riffdec"
2113 dirac_demuxer_select="dirac_parser"
2114 dts_demuxer_select="dca_parser"
2115 dtshd_demuxer_select="dca_parser"
2116 dxa_demuxer_select="riffdec"
2117 eac3_demuxer_select="ac3_parser"
2118 f4v_muxer_select="mov_muxer"
2119 flac_demuxer_select="flac_parser"
2120 hds_muxer_select="flv_muxer"
2121 hls_muxer_select="mpegts_muxer"
2122 ipod_muxer_select="mov_muxer"
2123 ismv_muxer_select="mov_muxer"
2124 libnut_demuxer_deps="libnut"
2125 libnut_muxer_deps="libnut"
2126 matroska_audio_muxer_select="matroska_muxer"
2127 matroska_demuxer_select="riffdec"
2128 matroska_demuxer_suggest="bzlib lzo zlib"
2129 matroska_muxer_select="riffenc"
2130 mmf_muxer_select="riffenc"
2131 mov_demuxer_select="riffdec"
2132 mov_demuxer_suggest="zlib"
2133 mov_muxer_select="riffenc rtpenc_chain"
2134 mp3_demuxer_select="mpegaudio_parser"
2135 mp4_muxer_select="mov_muxer"
2136 mpegts_muxer_select="adts_muxer latm_muxer"
2137 mpegtsraw_demuxer_select="mpegts_demuxer"
2138 mxf_d10_muxer_select="mxf_muxer"
2139 nut_muxer_select="riffenc"
2140 nuv_demuxer_select="riffdec"
2141 ogg_demuxer_select="golomb"
2142 psp_muxer_select="mov_muxer"
2143 rtp_demuxer_select="sdp_demuxer"
2144 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2145 rtsp_demuxer_select="http_protocol rtpdec"
2146 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2147 sap_demuxer_select="sdp_demuxer"
2148 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2149 sdp_demuxer_select="rtpdec"
2150 smoothstreaming_muxer_select="ismv_muxer"
2151 spdif_muxer_select="aac_parser"
2152 tak_demuxer_select="tak_parser"
2153 tg2_muxer_select="mov_muxer"
2154 tgp_muxer_select="mov_muxer"
2155 vobsub_demuxer_select="mpegps_demuxer"
2156 w64_demuxer_select="wav_demuxer"
2157 w64_muxer_select="wav_muxer"
2158 wav_demuxer_select="riffdec"
2159 wav_muxer_select="riffenc"
2160 webm_muxer_select="riffenc"
2161 wtv_demuxer_select="riffdec"
2162 xmv_demuxer_select="riffdec"
2163 xwma_demuxer_select="riffdec"
2166 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2167 alsa_outdev_deps="alsa_asoundlib_h"
2168 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2169 caca_outdev_deps="libcaca"
2170 dshow_indev_deps="IBaseFilter"
2171 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2172 dv1394_indev_deps="dv1394"
2173 dv1394_indev_select="dv_demuxer"
2174 fbdev_indev_deps="linux_fb_h"
2175 fbdev_outdev_deps="linux_fb_h"
2176 iec61883_indev_deps="libiec61883"
2177 jack_indev_deps="jack_jack_h sem_timedwait"
2178 lavfi_indev_deps="avfilter"
2179 libcdio_indev_deps="libcdio"
2180 libdc1394_indev_deps="libdc1394"
2181 libv4l2_indev_deps="libv4l2"
2182 openal_indev_deps="openal"
2183 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2184 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2185 pulse_indev_deps="libpulse"
2186 pulse_outdev_deps="libpulse"
2187 sdl_outdev_deps="sdl"
2188 sndio_indev_deps="sndio_h"
2189 sndio_outdev_deps="sndio_h"
2190 v4l_indev_deps="linux_videodev_h"
2191 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2192 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2193 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2194 vfwcap_indev_extralibs="-lavicap32"
2195 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2196 xv_outdev_extralibs="-lXv -lX11 -lXext"
2197 x11grab_indev_deps="x11grab"
2200 bluray_protocol_deps="libbluray"
2201 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2202 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2203 ffrtmpcrypt_protocol_select="tcp_protocol"
2204 ffrtmphttp_protocol_deps="!librtmp_protocol"
2205 ffrtmphttp_protocol_select="http_protocol"
2206 ftp_protocol_select="tcp_protocol"
2207 gopher_protocol_select="network"
2208 httpproxy_protocol_select="tcp_protocol"
2209 http_protocol_select="tcp_protocol"
2210 https_protocol_select="tls_protocol"
2211 librtmp_protocol_deps="librtmp"
2212 librtmpe_protocol_deps="librtmp"
2213 librtmps_protocol_deps="librtmp"
2214 librtmpt_protocol_deps="librtmp"
2215 librtmpte_protocol_deps="librtmp"
2216 libssh_protocol_deps="libssh"
2217 mmsh_protocol_select="http_protocol"
2218 mmst_protocol_select="network"
2219 rtmp_protocol_deps="!librtmp_protocol"
2220 rtmp_protocol_select="tcp_protocol"
2221 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2222 rtmps_protocol_deps="!librtmp_protocol"
2223 rtmps_protocol_select="tls_protocol"
2224 rtmpt_protocol_select="ffrtmphttp_protocol"
2225 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2226 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2227 rtp_protocol_select="udp_protocol"
2228 sctp_protocol_deps="struct_sctp_event_subscribe"
2229 sctp_protocol_select="network"
2230 srtp_protocol_select="rtp_protocol"
2231 tcp_protocol_select="network"
2232 tls_protocol_deps_any="openssl gnutls"
2233 tls_protocol_select="tcp_protocol"
2234 udp_protocol_select="network"
2235 unix_protocol_deps="sys_un_h"
2236 unix_protocol_select="network"
2239 aconvert_filter_deps="swresample"
2240 amovie_filter_deps="avcodec avformat"
2241 aresample_filter_deps="swresample"
2242 ass_filter_deps="libass"
2243 asyncts_filter_deps="avresample"
2244 atempo_filter_deps="avcodec"
2245 atempo_filter_select="rdft"
2246 azmq_filter_deps="libzmq"
2247 blackframe_filter_deps="gpl"
2248 boxblur_filter_deps="gpl"
2249 colormatrix_filter_deps="gpl"
2250 cropdetect_filter_deps="gpl"
2251 dctdnoiz_filter_deps="avcodec"
2252 dctdnoiz_filter_select="fft"
2253 delogo_filter_deps="gpl"
2254 deshake_filter_deps="avcodec"
2255 deshake_filter_select="dsputil"
2256 drawtext_filter_deps="libfreetype"
2257 ebur128_filter_deps="gpl"
2258 flite_filter_deps="libflite"
2259 frei0r_filter_deps="frei0r dlopen"
2260 frei0r_filter_extralibs='$ldl'
2261 frei0r_src_filter_deps="frei0r dlopen"
2262 frei0r_src_filter_extralibs='$ldl'
2263 geq_filter_deps="gpl"
2264 histeq_filter_deps="gpl"
2265 hqdn3d_filter_deps="gpl"
2266 interlace_filter_deps="gpl"
2267 kerndeint_filter_deps="gpl"
2268 ladspa_filter_deps="ladspa dlopen"
2269 mcdeint_filter_deps="avcodec gpl"
2270 movie_filter_deps="avcodec avformat"
2271 mp_filter_deps="gpl avcodec swscale inline_asm"
2272 mpdecimate_filter_deps="gpl avcodec"
2273 mptestsrc_filter_deps="gpl"
2274 negate_filter_deps="lut_filter"
2275 perspective_filter_deps="gpl"
2276 resample_filter_deps="avresample"
2277 ocv_filter_deps="libopencv"
2278 owdenoise_filter_deps="gpl"
2279 pan_filter_deps="swresample"
2280 phase_filter_deps="gpl"
2281 pp_filter_deps="gpl postproc"
2282 pullup_filter_deps="gpl"
2283 removelogo_filter_deps="avcodec avformat swscale"
2284 sab_filter_deps="gpl swscale"
2285 scale_filter_deps="swscale"
2286 smartblur_filter_deps="gpl swscale"
2287 showspectrum_filter_deps="avcodec"
2288 showspectrum_filter_select="rdft"
2289 spp_filter_deps="gpl avcodec"
2290 spp_filter_select="fft"
2291 stereo3d_filter_deps="gpl"
2292 subtitles_filter_deps="avformat avcodec libass"
2293 super2xsai_filter_deps="gpl"
2294 tinterlace_filter_deps="gpl"
2295 vidstabdetect_filter_deps="libvidstab"
2296 vidstabtransform_filter_deps="libvidstab"
2297 yadif_filter_deps="gpl"
2298 pixfmts_super2xsai_test_deps="super2xsai_filter"
2299 tinterlace_merge_test_deps="tinterlace_filter"
2300 tinterlace_pad_test_deps="tinterlace_filter"
2301 zmq_filter_deps="libzmq"
2304 decoding_encoding_example_deps="avcodec avutil"
2305 demuxing_decoding_example_deps="avcodec avformat avutil"
2306 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2307 filtering_video_example_deps="avfilter avcodec avformat avutil"
2308 metadata_example_deps="avformat avutil"
2309 muxing_example_deps="avcodec avformat avutil swscale"
2310 resampling_audio_example_deps="avutil swresample"
2311 scaling_video_example_deps="avutil swscale"
2312 transcode_aac_example_deps="avcodec avformat swresample"
2315 avcodec_deps="avutil"
2316 avdevice_deps="avutil avcodec avformat"
2317 avfilter_deps="avutil"
2318 avformat_deps="avutil avcodec"
2319 avresample_deps="avutil"
2320 postproc_deps="avutil gpl"
2321 swscale_deps="avutil"
2324 ffmpeg_deps="avcodec avfilter avformat swresample"
2325 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2327 setpts_filter trim_filter"
2328 ffplay_deps="avcodec avformat swscale swresample sdl"
2329 ffplay_select="rdft crop_filter"
2330 ffprobe_deps="avcodec avformat"
2331 ffserver_deps="avformat fork sarestart"
2332 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2333 ffserver_extralibs='$ldl'
2336 podpages_deps="perl"
2337 manpages_deps="perl pod2man"
2338 htmlpages_deps="texi2html"
2339 txtpages_deps="makeinfo"
2340 doc_deps_any="manpages htmlpages podpages txtpages"
2342 # default parameters
2344 logfile="config.log"
2346 # installation paths
2347 prefix_default="/usr/local"
2348 bindir_default='${prefix}/bin'
2349 datadir_default='${prefix}/share/ffmpeg'
2350 docdir_default='${prefix}/share/doc/ffmpeg'
2351 incdir_default='${prefix}/include'
2352 libdir_default='${prefix}/lib'
2353 mandir_default='${prefix}/share/man'
2354 shlibdir_default="$libdir_default"
2360 host_cc_default="gcc"
2366 pkg_config_default=pkg-config
2368 strip_default="strip"
2369 yasmexe_default="yasm"
2374 arch_default=$(uname -m)
2378 target_os_default=$(tolower $(uname -s))
2379 host_os=$target_os_default
2381 # configurable options
2382 enable $PROGRAM_LIST
2383 enable $DOCUMENT_LIST
2384 enable $EXAMPLE_LIST
2385 enable $(filter_out avresample $LIBRARY_LIST)
2391 enable optimizations
2392 enable runtime_cpudetect
2393 enable safe_bitstream_reader
2395 enable swscale_alpha
2397 # Enable hwaccels by default.
2398 enable dxva2 vaapi vdpau
2401 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2404 FULLNAME='$(NAME)$(BUILDSUF)'
2405 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2408 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2409 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2410 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2411 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2412 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2413 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2433 host_cflags='-O3 -g'
2434 host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
2436 host_cflags_filter=echo
2437 host_ldflags_filter=echo
2439 target_path='$(CURDIR)'
2441 # since the object filename is not given with the -MM flag, the compiler
2442 # is only able to print the basename, and we must add the path ourselves
2443 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2447 if test -f configure; then
2450 source_path=$(cd $(dirname "$0"); pwd)
2451 echo "$source_path" | grep -q '[[:blank:]]' &&
2452 die "Out of tree builds are impossible with whitespace in source path."
2453 test -e "$source_path/config.h" &&
2454 die "Out of tree builds are impossible with config.h in source dir."
2461 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2467 file=$source_path/$3
2468 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2471 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2472 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2473 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2474 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2475 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2476 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2477 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2478 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2479 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2480 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2481 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2497 for n in $COMPONENT_LIST; do
2498 v=$(toupper ${n%s})_LIST
2500 eval ${n}_if_any="\$$v"
2503 enable $ARCH_EXT_LIST
2506 echo "Unknown option \"$1\"."
2507 echo "See $0 --help for available options."
2512 cat | tr ' ' '\n' | sort | pr -r -3 -t
2518 echo $* | sed s/$suffix//g | print_3_columns
2530 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2531 echo "prob ${prob:-0.5}"
2539 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2540 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2550 add_extralibs $optval
2553 disable $INDEV_LIST $OUTDEV_LIST
2556 debuglevel="$optval"
2559 disable $PROGRAM_LIST
2561 --disable-everything)
2562 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2565 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2566 disable $LIBRARY_LIST $PROGRAM_LIST doc
2568 --enable-random|--disable-random)
2569 action=${opt%%-random}
2570 do_random ${action#--} $COMPONENT_LIST
2572 --enable-random=*|--disable-random=*)
2573 action=${opt%%-random=*}
2574 do_random ${action#--} $optval
2576 --enable-*=*|--disable-*=*)
2577 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2578 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2579 eval list=\$$(toupper $thing)_LIST
2580 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2581 list=$(filter "$name" $list)
2582 [ "$list" = "" ] && warn "Option $opt did not match anything"
2585 --enable-?*|--disable-?*)
2586 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2587 if is_in $option $COMPONENT_LIST; then
2588 test $action = disable && action=unset
2589 eval $action \$$(toupper ${option%s})_LIST
2590 elif is_in $option $CMDLINE_SELECT; then
2597 NAME="${opt#--list-}"
2598 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2600 eval show_list $NAME \$$(toupper $NAME)_LIST
2602 --help|-h) show_help
2604 --fatal-warnings) enable fatal_warnings
2607 optname="${opt%%=*}"
2608 optname="${optname#--}"
2609 optname=$(echo "$optname" | sed 's/-/_/g')
2610 if is_in $optname $CMDLINE_SET; then
2611 eval $optname='$optval'
2612 elif is_in $optname $CMDLINE_APPEND; then
2613 append $optname "$optval"
2621 disabled logging && logfile=/dev/null
2623 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2626 test -n "$cross_prefix" && enable cross_compile
2628 if enabled cross_compile; then
2629 test -n "$arch" && test -n "$target_os" ||
2630 die "Must specify target arch and OS when cross-compiling"
2633 ar_default="${cross_prefix}${ar_default}"
2634 cc_default="${cross_prefix}${cc_default}"
2635 cxx_default="${cross_prefix}${cxx_default}"
2636 nm_default="${cross_prefix}${nm_default}"
2637 pkg_config_default="${cross_prefix}${pkg_config_default}"
2638 ranlib="${cross_prefix}${ranlib}"
2639 strip_default="${cross_prefix}${strip_default}"
2641 sysinclude_default="${sysroot}/usr/include"
2643 test -n "$valgrind" && toolchain="valgrind-memcheck"
2645 case "$toolchain" in
2648 add_cflags -fsanitize=address
2649 add_ldflags -fsanitize=address
2653 add_cflags -fsanitize=thread -pie
2654 add_ldflags -fsanitize=thread -pie
2658 add_cflags -fsanitize=address
2659 add_ldflags -fsanitize=address
2663 add_cflags -fsanitize=thread -pie -fPIC
2664 add_ldflags -fsanitize=thread -pie -fPIC
2667 target_exec_default=${valgrind:-"valgrind"}
2668 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"
2671 target_exec_default=${valgrind:-"valgrind"}
2672 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2675 # Check whether the current MSVC version needs the C99 converter.
2676 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2677 # support enough of C99 to build ffmpeg. Default to the new
2678 # behaviour if the regexp was unable to match anything, since this
2679 # successfully parses the version number of existing supported
2680 # versions that require the converter (MSVC 2010 and 2012).
2681 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2682 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2685 cc_default="c99wrap cl"
2688 nm_default="dumpbin -symbols"
2690 target_os_default="win32"
2691 # Use a relative path for TMPDIR. This makes sure all the
2692 # ffconf temp files are written with a relative path, avoiding
2693 # issues with msys/win32 path conversion for MSVC parameters
2694 # such as -Fo<file> or -out:<file>.
2700 nm_default="dumpbin -symbols"
2702 target_os_default="win32"
2706 add_cflags -fprofile-arcs -ftest-coverage
2707 add_ldflags -fprofile-arcs -ftest-coverage
2710 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2711 add_ldflags -Wl,-z,relro -Wl,-z,now
2714 die "Unknown toolchain $toolchain"
2718 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2719 enabled cross_compile || host_cc_default=$cc
2722 if ! $pkg_config --version >/dev/null 2>&1; then
2723 warn "$pkg_config not found, library detection may fail."
2729 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2733 EXESUF=$(exesuf $target_os)
2734 HOSTEXESUF=$(exesuf $host_os)
2736 # set temporary file name
2737 : ${TMPDIR:=$TEMPDIR}
2741 if [ -n "$tempprefix" ] ; then
2743 echo $tempprefix.${HOSTNAME}.${UID}
2745 elif ! check_cmd mktemp -u XXXXXX; then
2746 # simple replacement for missing mktemp
2747 # NOT SAFE FOR GENERAL USE
2749 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2754 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2755 (set -C; exec > $tmp) 2>/dev/null ||
2756 die "Unable to create temporary file in $TMPDIR."
2757 append TMPFILES $tmp
2761 trap 'rm -f -- $TMPFILES' EXIT
2766 tmpfile TMPE $EXESUF
2777 # make sure we can execute files in $TMPDIR
2778 cat > $TMPSH 2>> $logfile <<EOF
2781 chmod +x $TMPSH >> $logfile 2>&1
2782 if ! $TMPSH >> $logfile 2>&1; then
2784 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2785 variable to another directory and make sure that it is not mounted noexec.
2787 die "Sanity test failed."
2793 -std=c99) echo -c99 ;;
2794 -mcpu=*) echo -arch ${flag#*=} ;;
2795 -mieee) echo -ieee ;;
2796 -O*|-fast) echo $flag ;;
2797 -fno-math-errno) echo -assume nomath_errno ;;
2799 -Wall) echo -msg_enable level2 ;;
2800 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2801 -Wl,*) echo $flag ;;
2811 -Wno-switch) echo -Wno-switch-enum ;;
2812 -Wno-format-zero-length) ;;
2813 -Wdisabled-optimization) ;;
2814 -Wno-pointer-sign) echo -Wno-other ;;
2820 msvc_common_flags(){
2823 # In addition to specifying certain flags under the compiler
2824 # specific filters, they must be specified here as well or else the
2825 # generic catch all at the bottom will print the original flag.
2829 -fomit-frame-pointer) ;;
2833 -fno-signed-zeros) ;;
2837 -lz) echo zlib.lib ;;
2838 -lavifil32) echo vfw32.lib ;;
2839 -lavicap32) echo vfw32.lib user32.lib ;;
2840 -l*) echo ${flag#-l}.lib ;;
2847 msvc_common_flags "$@"
2850 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2851 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2852 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2860 msvc_common_flags "$@"
2863 # Despite what Intel's documentation says -Wall, which is supported
2864 # on Windows, does enable remarks so disable them here.
2865 -Wall) echo $flag -Qdiag-disable:remark ;;
2866 -std=c99) echo -Qstd=c99 ;;
2874 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2875 -fomit-frame-pointer) echo -Mnoframe ;;
2886 case "${flag#*=}" in
2887 native) echo -xtarget=native ;;
2888 v9|niagara) echo -xarch=sparc ;;
2889 ultrasparc) echo -xarch=sparcvis ;;
2890 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2891 i586|pentium) echo -xchip=pentium ;;
2892 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2893 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2894 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2895 pentium4*) echo -xtarget=pentium4 ;;
2896 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2897 *-sse3) echo -xarch=sse3 ;;
2898 core2) echo -xarch=ssse3 -xchip=core2 ;;
2899 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2900 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2901 amdfam10|barcelona) echo -xtarget=barcelona ;;
2902 bdver*) echo -xarch=avx ;;
2903 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2904 k8|opteron|athlon64|athlon-fx)
2905 echo -xarch=sse2a ;;
2906 athlon*) echo -xarch=pentium_proa ;;
2909 -std=c99) echo -xc99 ;;
2910 -fomit-frame-pointer) echo -xregs=frameptr ;;
2911 -fPIC) echo -KPIC -xcode=pic32 ;;
2912 -W*,*) echo $flag ;;
2913 -f*-*|-W*|-mimpure-text) ;;
2924 case "${flag#*=}" in
2925 armv7-a|cortex-a*) echo -mv=7a8 ;;
2926 armv7-r|cortex-r*) echo -mv=7r4 ;;
2927 armv7-m|cortex-m*) echo -mv=7m3 ;;
2928 armv6*|arm11*) echo -mv=6 ;;
2929 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2931 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2934 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2935 -mfpu=vfp) echo --float_support=vfpv2 ;;
2936 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2937 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2938 -msoft-float) echo --float_support=vfplib ;;
2939 -O[0-3]|-mf=*) echo $flag ;;
2941 -pds=*) echo $flag ;;
2942 -D*|-I*) echo $flag ;;
2943 --gcc|--abi=*) echo $flag ;;
2953 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2954 unset _ld_o _ldflags _ld_lib _ld_path
2955 unset _depflags _DEPCMD _DEPFLAGS
2958 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
2959 true # no-op to avoid reading stdin in following checks
2960 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2962 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2963 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2964 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2967 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2969 gcc_version=$($_cc --version | head -n1)
2970 gcc_basever=$($_cc -dumpversion)
2971 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2972 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2973 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2974 if ! $_cc -dumpversion | grep -q '^2\.'; then
2975 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2979 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2981 _ident=$($_cc --version | head -n1)
2986 elif $_cc -v 2>&1 | grep -q xlc; then
2988 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2990 _cflags_size='-O5 -qcompact'
2991 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2993 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2995 _cflags_speed='-fast'
2997 _flags_filter=ccc_flags
2998 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2999 test -d "$sysroot" || die "No valid sysroot specified."
3001 _ident=$($_cc --vsn | head -n1)
3002 armcc_conf="$PWD/armcc.conf"
3003 $_cc --arm_linux_configure \
3004 --arm_linux_config_file="$armcc_conf" \
3005 --configure_sysroot="$sysroot" \
3006 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3007 die "Error creating armcc configuration file."
3008 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3009 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3010 as_default="${cross_prefix}gcc"
3014 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3016 _ident=$($_cc -version | head -n1 | tr -s ' ')
3017 _flags='--gcc --abi=eabi -me'
3020 _depflags='-ppa -ppd=$(@:.o=.d)'
3021 _cflags_speed='-O3 -mf=5'
3022 _cflags_size='-O3 -mf=2'
3023 _flags_filter=tms470_flags
3024 elif $_cc -v 2>&1 | grep -q clang; then
3026 _ident=$($_cc --version | head -n1)
3030 elif $_cc -V 2>&1 | grep -q Sun; then
3032 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3033 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3034 _DEPFLAGS='-xM1 -xc99'
3037 _cflags_size='-O5 -xspace'
3038 _flags_filter=suncc_flags
3039 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3041 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3042 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3045 _flags_filter='filter_out -Wdisabled-optimization'
3046 elif $_cc -v 2>&1 | grep -q Open64; then
3048 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3049 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3052 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3053 elif $_cc -V 2>&1 | grep -q Portland; then
3055 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3056 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3057 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3058 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3060 _flags_filter=pgi_flags
3061 elif $_cc 2>&1 | grep -q Microsoft; then
3063 _ident=$($cc 2>&1 | head -n1)
3064 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3065 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3068 if $_cc 2>&1 | grep -q Linker; then
3075 _flags_filter=msvc_flags
3077 _ld_path='-libpath:'
3079 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3080 if [ $pfx = hostcc ]; then
3081 append _cflags -Dsnprintf=_snprintf
3084 elif $_cc 2>&1 | grep -q Intel; then
3086 _ident=$($cc 2>&1 | head -n1)
3087 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3088 # Not only is O3 broken on 13.x+ but it is slower on all previous
3089 # versions (tested) as well.
3091 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3092 if $_cc 2>&1 | grep -q Linker; then
3099 _flags_filter=icl_flags
3101 _ld_path='-libpath:'
3102 # -Qdiag-error to make icl error when seeing certain unknown arguments
3103 _flags='-nologo -Qdiag-error:4044,10157'
3104 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3105 # with MSVC which enables it by default.
3106 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3107 if [ $pfx = hostcc ]; then
3108 append _cflags -Dsnprintf=_snprintf
3110 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3112 _ident=$($_cc --version | head -n1)
3116 _flags_filter=cparser_flags
3119 eval ${pfx}_type=\$_type
3120 eval ${pfx}_ident=\$_ident
3124 eval ${1}_C=\${_cc_c-\${${1}_C}}
3125 eval ${1}_E=\${_cc_e-\${${1}_E}}
3126 eval ${1}_O=\${_cc_o-\${${1}_O}}
3128 if [ -n "$_depflags" ]; then
3129 eval ${1}_DEPFLAGS=\$_depflags
3131 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3132 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3133 eval DEP${1}FLAGS=\$_flags
3138 cflags_filter=$_flags_filter
3139 cflags_speed=$_cflags_speed
3140 cflags_size=$_cflags_size
3141 cflags_noopt=$_cflags_noopt
3142 add_cflags $_flags $_cflags
3143 cc_ldflags=$_ldflags
3146 probe_cc hostcc "$host_cc"
3147 host_cflags_filter=$_flags_filter
3148 add_host_cflags $_flags $_cflags
3151 test -n "$cc_type" && enable $cc_type ||
3152 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3154 : ${as_default:=$cc}
3155 : ${dep_cc_default:=$cc}
3156 : ${ld_default:=$cc}
3157 : ${host_ld_default:=$host_cc}
3158 set_default ar as dep_cc ld host_ld
3161 asflags_filter=$_flags_filter
3162 add_asflags $_flags $_cflags
3166 ldflags_filter=$_flags_filter
3167 add_ldflags $_flags $_ldflags
3168 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3170 LD_LIB=${_ld_lib-$LD_LIB}
3171 LD_PATH=${_ld_path-$LD_PATH}
3173 probe_cc hostld "$host_ld"
3174 host_ldflags_filter=$_flags_filter
3175 add_host_ldflags $_flags $_ldflags
3176 HOSTLD_O=${_ld_o-$HOSTLD_O}
3178 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3179 probe_cc depcc "$dep_cc"
3180 CCDEP=${_DEPCMD:-$DEPCMD}
3181 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3185 if $ar 2>&1 | grep -q Microsoft; then
3188 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3191 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3192 arflags='-Xany -r -c'
3199 add_cflags $extra_cflags
3200 add_cxxflags $extra_cxxflags
3201 add_asflags $extra_cflags
3203 if test -n "$sysroot"; then
3206 add_cppflags --sysroot="$sysroot"
3207 add_ldflags --sysroot="$sysroot"
3210 add_cppflags -I"$sysinclude"
3211 add_ldflags --sysroot="$sysroot"
3216 if test "$cpu" = host; then
3217 enabled cross_compile &&
3218 die "--cpu=host makes no sense when cross-compiling."
3223 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3225 s/.*$1=\\([^ ]*\\).*/\\1/
3230 cpu=$(check_native -march || check_native -mcpu)
3234 test "${cpu:-host}" = host &&
3235 die "--cpu=host not supported with compiler $cc"
3238 # Deal with common $arch aliases
3252 "Power Macintosh"|ppc*|powerpc*)
3267 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3272 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3275 # Add processor-specific flags
3276 if enabled aarch64; then
3280 cpuflags="-march=$cpu"
3283 cpuflags="-mcpu=$cpu"
3287 elif enabled alpha; then
3289 cpuflags="-mcpu=$cpu"
3291 elif enabled arm; then
3294 check_cpp_condition stddef.h \
3295 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3300 if check_arm_arch 4; then echo armv4;
3301 elif check_arm_arch 4T; then echo armv4t;
3302 elif check_arm_arch 5; then echo armv5;
3303 elif check_arm_arch 5E; then echo armv5e;
3304 elif check_arm_arch 5T; then echo armv5t;
3305 elif check_arm_arch 5TE; then echo armv5te;
3306 elif check_arm_arch 5TEJ; then echo armv5te;
3307 elif check_arm_arch 6; then echo armv6;
3308 elif check_arm_arch 6J; then echo armv6j;
3309 elif check_arm_arch 6K; then echo armv6k;
3310 elif check_arm_arch 6Z; then echo armv6z;
3311 elif check_arm_arch 6ZK; then echo armv6zk;
3312 elif check_arm_arch 6T2; then echo armv6t2;
3313 elif check_arm_arch 7; then echo armv7;
3314 elif check_arm_arch 7A 7_A; then echo armv7-a;
3315 elif check_arm_arch 7R 7_R; then echo armv7-r;
3316 elif check_arm_arch 7M 7_M; then echo armv7-m;
3317 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3318 elif check_arm_arch 8A 8_A; then echo armv8-a;
3322 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3326 cpuflags="-march=$cpu"
3327 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3330 cpuflags="-mcpu=$cpu"
3332 cortex-a*) subarch=armv7a ;;
3333 cortex-r*) subarch=armv7r ;;
3334 cortex-m*) enable thumb; subarch=armv7m ;;
3335 arm11*) subarch=armv6 ;;
3336 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3337 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3338 *) subarch=$(probe_arm_arch) ;;
3344 armv5t*) enable fast_clz ;;
3345 armv[6-8]*) enable fast_clz fast_unaligned ;;
3348 elif enabled avr32; then
3353 cpuflags="-mpart=$cpu"
3357 cpuflags="-march=$cpu"
3361 cpuflags="-mcpu=$cpu"
3365 cpuflags="-march=$cpu"
3369 elif enabled bfin; then
3371 cpuflags="-mcpu=$cpu"
3373 elif enabled mips; then
3375 cpuflags="-march=$cpu"
3391 24kef*|34kf*|1004kf*)
3399 elif enabled ppc; then
3401 case $(tolower $cpu) in
3402 601|ppc601|powerpc601)
3403 cpuflags="-mcpu=601"
3406 603*|ppc603*|powerpc603*)
3407 cpuflags="-mcpu=603"
3410 604*|ppc604*|powerpc604*)
3411 cpuflags="-mcpu=604"
3414 g3|75*|ppc75*|powerpc75*)
3415 cpuflags="-mcpu=750"
3418 g4|745*|ppc745*|powerpc745*)
3419 cpuflags="-mcpu=7450"
3421 74*|ppc74*|powerpc74*)
3422 cpuflags="-mcpu=7400"
3424 g5|970|ppc970|powerpc970)
3425 cpuflags="-mcpu=970"
3428 cpuflags="-mcpu=$cpu"
3431 cpuflags="-mcpu=cell"
3435 cpuflags="-mcpu=e500mc"
3439 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3443 cpuflags="-mcpu=8540 -mhard-float"
3448 elif enabled sparc; then
3451 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3452 cpuflags="-mcpu=$cpu"
3455 ultrasparc*|niagara[234])
3456 cpuflags="-mcpu=$cpu"
3460 elif enabled x86; then
3464 cpuflags="-march=$cpu"
3467 # targets that do NOT support nopl and conditional mov (cmov)
3468 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3469 cpuflags="-march=$cpu"
3472 # targets that do support nopl and conditional mov (cmov)
3473 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*)
3474 cpuflags="-march=$cpu"
3478 # targets that do support conditional mov but on which it's slow
3479 pentium4|pentium4m|prescott|nocona)
3480 cpuflags="-march=$cpu"
3488 if [ "$cpu" != generic ]; then
3489 add_cflags $cpuflags
3490 add_asflags $cpuflags
3493 # compiler sanity check
3495 int main(void){ return 0; }
3497 if test "$?" != 0; then
3498 echo "$cc is unable to create an executable file."
3499 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3500 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3501 echo "Only do this if you know what cross compiling means."
3503 die "C compiler test failed."
3506 add_cppflags -D_ISOC99_SOURCE
3507 add_cxxflags -D__STDC_CONSTANT_MACROS
3508 check_cflags -std=c99
3509 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3512 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3516 check_host_cflags -std=c99
3517 check_host_cflags -Wall
3523 check_code cc "" "int test[2*($expr) - 1]" &&
3524 subarch=$arch64 || subarch=$arch32
3532 check_64bit mips mips64 '_MIPS_SIM > 1'
3536 check_64bit parisc parisc64 'sizeof(void *) > 4'
3540 check_64bit ppc ppc64 'sizeof(void *) > 4'
3544 check_64bit sparc sparc64 'sizeof(void *) > 4'
3548 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3549 if test "$subarch" = "x86_64"; then
3554 check_cc <<EOF && subarch="ppc64"
3555 int test[(int)sizeof(char*) - 7];
3561 enabled spic && enable_weak pic
3567 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3568 enabled shared && add_ldflags -Wl,-brtl
3571 prefix_default="/boot/common"
3572 network_extralibs="-lnetwork"
3576 SHFLAGS='-shared -Wl,-h,$$(@F)'
3577 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3578 network_extralibs="-lsocket -lnsl"
3579 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3580 # When using suncc to build, the Solaris linker will mark
3581 # an executable with each instruction set encountered by
3582 # the Solaris assembler. As our libraries contain their own
3583 # guards for processor-specific code, instead suppress
3584 # generation of the HWCAPS ELF section on Solaris x86 only.
3585 enabled_all suncc x86 &&
3586 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3587 add_ldflags -Wl,-M,mapfile
3588 nm_default='nm -P -g'
3592 oss_indev_extralibs="-lossaudio"
3593 oss_outdev_extralibs="-lossaudio"
3594 enabled gcc || check_ldflags -Wl,-zmuldefs
3599 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3601 oss_indev_extralibs="-lossaudio"
3602 oss_outdev_extralibs="-lossaudio"
3610 add_extralibs -lpoll -lgnugetopt
3614 gas="gas-preprocessor.pl $cc"
3615 enabled ppc && add_asflags -force_cpusubtype_ALL
3616 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3617 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3619 add_ldflags -Wl,-dynamic,-search_paths_first
3621 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3622 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3624 enabled x86_64 && objformat="macho64"
3625 enabled_any pic shared ||
3626 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3629 if test $target_os = "mingw32ce"; then
3635 if enabled x86_64; then
3636 LIBTARGET="i386:x86-64"
3637 elif enabled arm; then
3640 check_ldflags -Wl,--nxcompat
3641 check_ldflags -Wl,--dynamicbase
3642 shlibdir_default="$bindir_default"
3645 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3646 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3647 dlltool="${cross_prefix}dlltool"
3648 if check_cmd lib.exe -list; then
3649 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3650 if enabled x86_64; then
3653 elif check_cmd $dlltool --version; then
3654 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3656 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3658 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3659 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3660 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3667 if enabled shared; then
3668 # Link to the import library instead of the normal static library
3671 # Cannot build both shared and static libs with MSVC or icl.
3674 shlibdir_default="$bindir_default"
3677 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3678 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3679 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3680 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3682 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3683 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3684 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3691 shlibdir_default="$bindir_default"
3694 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3695 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3696 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3698 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3699 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3703 *-dos|freedos|opendos)
3704 network_extralibs="-lsocket"
3707 add_cppflags -U__STRICT_ANSI__
3714 ranlib="echo ignoring ranlib"
3720 add_cppflags -D_GNU_SOURCE
3721 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3722 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3726 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3727 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3728 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3729 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3730 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3731 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3732 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3733 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3734 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3735 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3736 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3738 enable_weak os2threads
3741 add_cppflags -D_BSD_SOURCE
3746 add_cppflags -D_QNX_SOURCE
3747 network_extralibs="-lsocket"
3752 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3753 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3754 add_ldflags -Wl,--target1-abs,--no-undefined \
3755 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3756 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3757 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3758 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3759 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3762 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3767 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3768 -D_REENTRANT_SOURCE \
3769 -D_RESEARCH_SOURCE \
3772 add_compat strtod.o strtod=avpriv_strtod
3773 network_extralibs='-lbsd'
3774 exeobjs=compat/plan9/main.o
3781 die "Unknown OS '$target_os'."
3785 # determine libc flavour
3787 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3788 if check_cpp_condition features.h "defined __UCLIBC__"; then
3790 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3791 elif check_cpp_condition features.h "defined __GLIBC__"; then
3793 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3794 # MinGW headers can be installed on Cygwin, so check for newlib first.
3795 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3797 add_cppflags -U__STRICT_ANSI__
3798 elif check_header _mingw.h; then
3800 check_cpp_condition _mingw.h \
3801 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3802 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3803 die "ERROR: MinGW runtime version must be >= 3.15."
3804 add_cppflags -U__STRICT_ANSI__
3805 if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3806 __MINGW64_VERSION_MAJOR < 3"; then
3807 add_compat msvcrt/snprintf.o
3808 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3810 add_cppflags -D__USE_MINGW_ANSI_STDIO=1
3812 elif check_cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3814 add_compat strtod.o strtod=avpriv_strtod
3815 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3816 _snprintf=avpriv_snprintf \
3817 vsnprintf=avpriv_vsnprintf
3818 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3819 # 0x601 by default unless something else is set by the user.
3820 # This can easily lead to us detecting functions only present
3821 # in such new versions and producing binaries requiring windows 7.0.
3822 # Therefore explicitly set the default to XP unless the user has
3823 # set something else on the command line.
3824 check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
3825 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3827 elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3829 add_compat strtod.o strtod=avpriv_strtod
3832 test -n "$libc_type" && enable $libc_type
3834 # hacks for compiler/libc/os combinations
3836 if enabled_all tms470 glibc; then
3837 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3838 add_cppflags -D__USER_LABEL_PREFIX__=
3839 add_cppflags -D__builtin_memset=memset
3840 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3841 add_cflags -pds=48 # incompatible redefinition of macro
3844 if enabled_all ccc glibc; then
3845 add_ldflags -Wl,-z,now # calls to libots crash without this
3849 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3852 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3854 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3856 set_default $PATHS_LIST
3859 # we need to build at least one lib type
3860 if ! enabled_any static shared; then
3862 At least one library type must be built.
3863 Specify --enable-static to build the static libraries or --enable-shared to
3864 build the shared libraries as well. To only build the shared libraries specify
3865 --disable-static in addition to --enable-shared.
3870 # backward compatibility layer for incompatible_libav/fork_abi
3871 enabled incompatible_fork_abi && enable incompatible_libav_abi
3872 enabled incompatible_libav_abi && enable incompatible_fork_abi
3874 die_license_disabled() {
3875 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3878 die_license_disabled_gpl() {
3879 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3882 die_license_disabled gpl frei0r
3883 die_license_disabled gpl libcdio
3884 die_license_disabled gpl libutvideo
3885 die_license_disabled gpl libvidstab
3886 die_license_disabled gpl libx264
3887 die_license_disabled gpl libxavs
3888 die_license_disabled gpl libxvid
3889 die_license_disabled gpl libzvbi
3890 die_license_disabled gpl x11grab
3892 die_license_disabled nonfree libaacplus
3893 die_license_disabled nonfree libfaac
3894 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3895 enabled gpl && die_license_disabled_gpl nonfree openssl
3897 die_license_disabled version3 libopencore_amrnb
3898 die_license_disabled version3 libopencore_amrwb
3899 die_license_disabled version3 libvo_aacenc
3900 die_license_disabled version3 libvo_amrwbenc
3902 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3904 disabled optimizations || check_cflags -fomit-frame-pointer
3907 disabled pic && return
3910 case "$target_os" in
3920 enabled pic && enable_weak_pic
3922 check_cc <<EOF || die "Symbol mangling check failed."
3925 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3926 extern_prefix=${sym%%ff_extern*}
3928 check_cc <<EOF && enable_weak inline_asm
3929 void foo(void) { __asm__ volatile ("" ::); }
3933 for restrict_keyword in restrict __restrict__ __restrict; do
3934 check_cc <<EOF && _restrict=$restrict_keyword && break
3935 void foo(char * $restrict_keyword p);
3939 check_cc <<EOF && enable pragma_deprecated
3940 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3943 check_cc <<EOF && enable attribute_packed
3944 struct { int x; } __attribute__((packed)) x;
3947 check_cc <<EOF && enable attribute_may_alias
3948 union { int x; } __attribute__((may_alias)) x;
3951 check_cc <<EOF || die "endian test failed"
3952 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3954 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3956 check_inline_asm inline_asm_labels '"1:\n"'
3958 if enabled alpha; then
3962 elif enabled arm; then
3964 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
3965 float func(float a, float b){ return a+b; }
3968 enabled thumb && check_cflags -mthumb || check_cflags -marm
3971 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3973 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3974 case "${cross_prefix:-$cc}" in
3975 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3976 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3977 __asm__ (".eabi_attribute 28, 1");
3978 int main(void) { return 0; }
3981 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3984 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3985 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3986 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3987 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
3988 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
3989 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3991 [ $target_os = linux ] ||
3992 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3995 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3996 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3998 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4000 elif enabled mips; then
4002 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4003 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
4004 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
4005 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4006 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4007 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4008 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4009 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4010 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4012 elif enabled parisc; then
4014 if enabled gcc; then
4015 case $($cc -dumpversion) in
4016 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4020 elif enabled ppc; then
4022 enable local_aligned_8 local_aligned_16
4024 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4025 check_inline_asm ibm_asm '"add 0, 0, 0"'
4026 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4027 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4029 # AltiVec flags: The FSF version of GCC differs from the Apple version
4030 if enabled altivec; then
4031 if ! enabled_any pic ppc64; then
4034 check_cflags -maltivec -mabi=altivec &&
4035 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4036 check_cflags -faltivec
4038 # check if our compiler supports Motorola AltiVec C API
4039 check_cc <<EOF || disable altivec
4042 vector signed int v1 = (vector signed int) { 0 };
4043 vector signed int v2 = (vector signed int) { 1 };
4044 v1 = vec_add(v1, v2);
4049 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4052 elif enabled sparc; then
4054 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
4056 elif enabled x86; then
4058 check_builtin rdtsc intrin.h "__rdtsc()"
4059 check_builtin mm_empty mmintrin.h "_mm_empty()"
4061 enable local_aligned_8 local_aligned_16
4063 # check whether EBP is available on x86
4064 # As 'i' is stored on the stack, this program will crash
4065 # if the base pointer is used to access it because the
4066 # base pointer is cleared in the inline assembly code.
4067 check_exec_crash <<EOF && enable ebp_available
4069 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4073 # check whether EBX is available on x86
4074 check_inline_asm ebx_available '""::"b"(0)' &&
4075 check_inline_asm ebx_available '"":::"%ebx"'
4077 # check whether xmm clobbers are supported
4078 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4080 # check whether binutils is new enough to compile SSSE3/MMXEXT
4081 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4082 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4084 if ! disabled_any asm mmx yasm; then
4085 if check_cmd $yasmexe --version; then
4086 enabled x86_64 && yasm_extra="-m amd64"
4087 yasm_debug="-g dwarf2"
4088 elif check_cmd nasm -v; then
4090 yasm_debug="-g -F dwarf"
4091 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4094 YASMFLAGS="-f $objformat $yasm_extra"
4095 enabled pic && append YASMFLAGS "-DPIC"
4096 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4097 case "$objformat" in
4098 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4101 check_yasm "movbe ecx, [5]" && enable yasm ||
4102 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4103 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4104 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4105 check_yasm "CPU amdnop" && enable cpunop
4109 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4116 if enabled asm; then
4118 check_as <<EOF && enable gnu_as || \
4119 $nogas "GNU assembler not found, install gas-preprocessor"
4127 check_ldflags -Wl,--as-needed
4129 if check_func dlopen; then
4131 elif check_func dlopen -ldl; then
4135 if ! disabled network; then
4136 check_type "sys/types.h sys/socket.h" socklen_t
4137 check_type netdb.h "struct addrinfo"
4138 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4139 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4140 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4141 check_type netinet/in.h "struct sockaddr_in6"
4142 check_type poll.h "struct pollfd"
4143 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4144 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4145 check_type netinet/sctp.h "struct sctp_event_subscribe"
4146 check_func getaddrinfo $network_extralibs
4147 check_func getservbyport $network_extralibs
4148 # Prefer arpa/inet.h over winsock2
4149 if check_header arpa/inet.h ; then
4150 check_func closesocket
4151 elif check_header winsock2.h ; then
4152 check_func_headers winsock2.h closesocket -lws2 &&
4153 network_extralibs="-lws2" ||
4154 { check_func_headers winsock2.h closesocket -lws2_32 &&
4155 network_extralibs="-lws2_32"; }
4156 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4157 check_type ws2tcpip.h socklen_t
4158 check_type ws2tcpip.h "struct addrinfo"
4159 check_type ws2tcpip.h "struct group_source_req"
4160 check_type ws2tcpip.h "struct ip_mreq_source"
4161 check_type ws2tcpip.h "struct ipv6_mreq"
4162 check_type winsock2.h "struct pollfd"
4163 check_type ws2tcpip.h "struct sockaddr_in6"
4164 check_type ws2tcpip.h "struct sockaddr_storage"
4165 check_struct winsock2.h "struct sockaddr" sa_len
4171 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4172 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4175 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4178 check_func_headers stdlib.h getenv
4179 check_func gethrtime
4181 check_func getrusage
4182 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4183 check_func gettimeofday
4184 check_func inet_aton $network_extralibs
4186 check_func localtime_r
4187 check_func ${malloc_prefix}memalign && enable memalign
4191 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4192 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4193 check_func setrlimit
4194 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4195 check_func strerror_r
4196 check_func sched_getaffinity
4197 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4198 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4199 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4200 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4201 check_builtin sarestart signal.h "SA_RESTART"
4205 check_func_headers conio.h kbhit
4206 check_func_headers windows.h PeekNamedPipe
4207 check_func_headers io.h setmode
4208 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4209 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4210 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4211 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4212 check_func_headers windows.h GetProcessAffinityMask
4213 check_func_headers windows.h GetProcessTimes
4214 check_func_headers windows.h GetSystemTimeAsFileTime
4215 check_func_headers windows.h MapViewOfFile
4216 check_func_headers windows.h SetConsoleTextAttribute
4217 check_func_headers windows.h Sleep
4218 check_func_headers windows.h VirtualAlloc
4219 check_func_headers glob.h glob
4220 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4222 check_header cl/cl.h
4223 check_header direct.h
4224 check_header dlfcn.h
4226 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4228 check_header libcrystalhd/libcrystalhd_if.h
4229 check_header malloc.h
4231 check_header sys/mman.h
4232 check_header sys/param.h
4233 check_header sys/resource.h
4234 check_header sys/select.h
4235 check_header sys/time.h
4236 check_header sys/un.h
4237 check_header termios.h
4238 check_header unistd.h
4239 check_header vdpau/vdpau.h
4240 check_header vdpau/vdpau_x11.h
4241 check_header VideoDecodeAcceleration/VDADecoder.h
4242 check_header windows.h
4243 check_header X11/extensions/XvMClib.h
4244 check_header asm/types.h
4246 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4247 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4249 if ! disabled w32threads && ! enabled pthreads; then
4250 check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
4253 # check for some common methods of building with pthread support
4254 # do this before the optional library checks as some of them require pthreads
4255 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4257 if check_func pthread_join && check_func pthread_create; then
4259 elif check_func pthread_join -pthread && check_func pthread_create -pthread; then
4261 add_extralibs -pthread
4262 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4263 add_cflags -pthreads
4264 add_extralibs -pthreads
4265 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4266 add_extralibs -lpthreadGC2
4267 elif ! check_lib pthread.h pthread_join -lpthread && ! check_lib pthread.h pthread_create -lpthread; then
4272 for thread in $THREADS_LIST; do
4273 if enabled $thread; then
4274 test -n "$thread_type" &&
4275 die "ERROR: Only one thread type must be selected." ||
4276 thread_type="$thread"
4280 if enabled pthreads; then
4281 check_func pthread_cancel
4284 enabled sync_val_compare_and_swap && enable atomics_gcc
4285 enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc
4286 enabled MemoryBarrier && enable atomics_win32
4288 check_lib math.h sin -lm && LIBM="-lm"
4289 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4295 for func in $MATH_FUNCS; do
4296 eval check_mathfunc $func \${${func}_args:-1}
4299 # these are off by default, so fail if requested and not available
4300 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4301 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4302 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4303 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4304 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4305 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4306 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4307 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4308 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4309 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4310 enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
4311 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4312 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4313 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4314 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4315 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4316 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4317 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"
4318 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4319 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
4320 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4321 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4322 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4323 done || die "ERROR: libgsm not found"; }
4324 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4325 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4326 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4327 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4328 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4329 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4330 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4331 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4332 check_lib openjpeg.h opj_version -lopenjpeg ||
4333 die "ERROR: libopenjpeg not found"; }
4334 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4335 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4336 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4337 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4338 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4339 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4340 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4341 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4342 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4343 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4344 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4345 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4346 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4347 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4348 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4349 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4350 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4351 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4352 enabled libvidstab && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit
4353 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4354 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4355 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4357 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4358 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4359 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 ||
4360 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4361 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4362 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
4363 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4364 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4365 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4366 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4367 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4368 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4369 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4370 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4371 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4372 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4373 die "ERROR: openal not found"; } &&
4374 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4375 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4376 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4377 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4378 die "ERROR: opencl not found"; } &&
4379 { ! enabled_any w32threads os2threads ||
4380 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4381 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4382 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4383 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4384 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4385 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4386 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4387 die "ERROR: openssl not found"; }
4389 if enabled gnutls; then
4390 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4391 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4395 if enabled libdc1394; then
4396 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4397 enable libdc1394_2; } ||
4398 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4399 enable libdc1394_1; } ||
4400 die "ERROR: No version of libdc1394 found "
4403 SDL_CONFIG="${cross_prefix}sdl-config"
4404 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4405 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4406 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4409 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4410 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4411 sdl_libs=$("${SDL_CONFIG}" --libs)
4412 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4413 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4414 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4418 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4420 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4421 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4422 perl -v > /dev/null 2>&1 && enable perl || disable perl
4423 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4424 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4426 check_header linux/fb.h
4427 check_header linux/videodev.h
4428 check_header linux/videodev2.h
4429 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4431 check_header sys/videoio.h
4433 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4434 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4435 # w32api 3.12 had it defined wrong
4436 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4438 check_type "dshow.h" IBaseFilter
4440 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4441 { check_header dev/bktr/ioctl_meteor.h &&
4442 check_header dev/bktr/ioctl_bt848.h; } ||
4443 { check_header machine/ioctl_meteor.h &&
4444 check_header machine/ioctl_bt848.h; } ||
4445 { check_header dev/video/meteor/ioctl_meteor.h &&
4446 check_header dev/video/bktr/ioctl_bt848.h; } ||
4447 check_header dev/ic/bt8xx.h
4449 check_header sndio.h
4450 if check_struct sys/soundcard.h audio_buf_info bytes; then
4451 enable_safe sys/soundcard.h
4453 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4454 #include <sys/soundcard.h>
4458 check_header soundcard.h
4460 enabled_any alsa_indev alsa_outdev &&
4461 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4463 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4464 check_func jack_port_get_latency_range -ljack
4466 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4468 if enabled libcdio; then
4469 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4470 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4471 die "ERROR: libcdio-paranoia not found"
4474 check_lib X11/Xlib.h XOpenDisplay -lX11 && enable xlib
4477 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4478 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
4479 { enabled xlib || die "ERROR: Xlib not found"; }
4482 check_lib va/va.h vaInitialize -lva ||
4486 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4489 enabled vdpau && enabled xlib &&
4490 check_lib2 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4493 # Funny iconv installations are not unusual, so check it after all flags have been set
4494 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4496 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4498 # add some useful compiler flags if supported
4499 check_cflags -Wdeclaration-after-statement
4501 check_cflags -Wdisabled-optimization
4502 check_cflags -Wpointer-arith
4503 check_cflags -Wredundant-decls
4504 check_cflags -Wwrite-strings
4505 check_cflags -Wtype-limits
4506 check_cflags -Wundef
4507 check_cflags -Wmissing-prototypes
4508 check_cflags -Wno-pointer-to-int-cast
4509 check_cflags -Wstrict-prototypes
4510 enabled extra_warnings && check_cflags -Winline
4512 check_disable_warning(){
4513 warning_flag=-W${1#-Wno-}
4514 test_cflags $warning_flag && add_cflags $1
4517 check_disable_warning -Wno-parentheses
4518 check_disable_warning -Wno-switch
4519 check_disable_warning -Wno-format-zero-length
4520 check_disable_warning -Wno-pointer-sign
4522 # add some linker flags
4523 check_ldflags -Wl,--warn-common
4524 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4525 enabled rpath && add_ldflags -Wl,-rpath=$libdir
4526 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4528 # add some strip flags
4529 # -wN '..@*' is more selective than -x, but not available everywhere.
4530 check_stripflags -wN \'..@*\' || check_stripflags -x
4532 enabled xmm_clobber_test &&
4533 check_ldflags -Wl,--wrap,avcodec_open2 \
4534 -Wl,--wrap,avcodec_decode_audio4 \
4535 -Wl,--wrap,avcodec_decode_video2 \
4536 -Wl,--wrap,avcodec_decode_subtitle2 \
4537 -Wl,--wrap,avcodec_encode_audio2 \
4538 -Wl,--wrap,avcodec_encode_video \
4539 -Wl,--wrap,avcodec_encode_video2 \
4540 -Wl,--wrap,avcodec_encode_subtitle \
4541 -Wl,--wrap,sws_scale ||
4542 disable xmm_clobber_test
4545 if test_ldflags -Wl,--version-script,$TMPV; then
4546 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4547 check_cc <<EOF && enable symver_asm_label
4548 void ff_foo(void) __asm__ ("av_foo@VERSION");
4549 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4551 check_cc <<EOF && enable symver_gnu_asm
4552 __asm__(".symver ff_foo,av_foo@VERSION");
4553 void ff_foo(void) {}
4557 if [ -z "$optflags" ]; then
4558 if enabled small; then
4559 optflags=$cflags_size
4560 elif enabled optimizations; then
4561 optflags=$cflags_speed
4563 optflags=$cflags_noopt
4569 enabled lto && check_ldflags "$@"
4573 if enabled lto; then
4574 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4576 check_ldflags -flto $cpuflags
4579 check_optflags $optflags
4580 check_optflags -fno-math-errno
4581 check_optflags -fno-signed-zeros
4583 enabled ftrapv && check_cflags -ftrapv
4585 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4590 if enabled icc; then
4591 # Just warnings, no remarks
4593 # -wd: Disable following warnings
4594 # 144, 167, 556: -Wno-pointer-sign
4595 # 188: enumerated type mixed with another type
4596 # 1292: attribute "foo" ignored
4597 # 1419: external declaration in primary source file
4598 # 10006: ignoring unknown option -fno-signed-zeros
4599 # 10148: ignoring unknown option -Wno-parentheses
4600 # 10156: ignoring option '-W'; no argument required
4601 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4602 # 11030: Warning unknown option --as-needed
4603 # 10156: ignoring option '-export'; no argument required
4604 check_ldflags -wd10156,11030
4605 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4606 enable ebp_available
4607 if enabled x86_32; then
4608 icc_version=$($cc -dumpversion)
4609 test ${icc_version%%.*} -ge 11 &&
4610 check_cflags -falign-stack=maintain-16-byte ||
4611 disable aligned_stack
4613 elif enabled ccc; then
4614 # disable some annoying warnings
4615 add_cflags -msg_disable bitnotint
4616 add_cflags -msg_disable mixfuncvoid
4617 add_cflags -msg_disable nonstandcast
4618 add_cflags -msg_disable unsupieee
4619 elif enabled gcc; then
4620 check_optflags -fno-tree-vectorize
4621 check_cflags -Werror=implicit-function-declaration
4622 check_cflags -Werror=missing-prototypes
4623 check_cflags -Werror=return-type
4624 check_cflags -Werror=vla
4625 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4626 elif enabled llvm_gcc; then
4627 check_cflags -mllvm -stack-alignment=16
4628 elif enabled clang; then
4629 check_cflags -mllvm -stack-alignment=16
4630 check_cflags -Qunused-arguments
4631 check_cflags -Werror=implicit-function-declaration
4632 check_cflags -Werror=missing-prototypes
4633 check_cflags -Werror=return-type
4634 elif enabled cparser; then
4635 add_cflags -Wno-missing-variable-declarations
4636 add_cflags -Wno-empty-statement
4637 elif enabled armcc; then
4638 # 2523: use of inline assembler is deprecated
4639 add_cflags -W${armcc_opt},--diag_suppress=2523
4640 add_cflags -W${armcc_opt},--diag_suppress=1207
4641 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4642 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4643 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4644 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4645 elif enabled tms470; then
4646 add_cflags -pds=824 -pds=837
4647 elif enabled pathscale; then
4648 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4649 elif enabled_any msvc icl; then
4650 enabled x86_32 && disable aligned_stack
4651 enabled_all x86_32 debug && add_cflags -Oy-
4652 enabled debug && add_ldflags -debug
4653 enable pragma_deprecated
4654 if enabled icl; then
4655 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4656 # (correctly) on icl 13.x.
4657 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4658 add_cflags -Qansi-alias
4659 # icl will pass the inline asm tests but inline asm is currently
4660 # not supported (build will fail)
4661 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
4668 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4671 add_cppflags -Dmain=plan9_main
4675 enable frame_thread_encoder
4676 enabled_any $THREADS_LIST && enable threads
4677 enabled_any $ATOMICS_LIST && enable atomics_native
4679 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"
4681 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4683 check_deps $CONFIG_LIST \
4689 if test $target_os = "haiku"; then
4691 disable posix_memalign
4694 ! enabled_any memalign posix_memalign aligned_malloc &&
4695 enabled_any $need_memalign && enable memalign_hack
4698 # -> enable ${lib}_deps_${dep}
4699 # -> add $dep to ${lib}_deps only once
4703 enabled "${lib}_deps_${dep}" && return 0
4704 enable "${lib}_deps_${dep}"
4705 prepend "${lib}_deps" $dep
4708 # merge deps lib components
4709 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4714 enabled $comp || continue
4715 eval "dep=\"\$${comp}_deps\""
4722 merge_deps libavfilter $FILTER_LIST
4724 echo "install prefix $prefix"
4725 echo "source path $source_path"
4726 echo "C compiler $cc"
4727 if test "$host_cc" != "$cc"; then
4728 echo "host C compiler $host_cc"
4730 echo "C library $libc_type"
4731 echo "ARCH $arch ($cpu)"
4732 if test "$build_suffix" != ""; then
4733 echo "build suffix $build_suffix"
4735 if test "$progs_suffix" != ""; then
4736 echo "progs suffix $progs_suffix"
4738 if test "$extra_version" != ""; then
4739 echo "version string suffix $extra_version"
4741 echo "big-endian ${bigendian-no}"
4742 echo "runtime cpu detection ${runtime_cpudetect-no}"
4743 if enabled x86; then
4744 echo "${yasmexe} ${yasm-no}"
4745 echo "MMX enabled ${mmx-no}"
4746 echo "MMXEXT enabled ${mmxext-no}"
4747 echo "3DNow! enabled ${amd3dnow-no}"
4748 echo "3DNow! extended enabled ${amd3dnowext-no}"
4749 echo "SSE enabled ${sse-no}"
4750 echo "SSSE3 enabled ${ssse3-no}"
4751 echo "AVX enabled ${avx-no}"
4752 echo "FMA4 enabled ${fma4-no}"
4753 echo "i686 features enabled ${i686-no}"
4754 echo "CMOV is fast ${fast_cmov-no}"
4755 echo "EBX available ${ebx_available-no}"
4756 echo "EBP available ${ebp_available-no}"
4758 if enabled arm; then
4759 echo "ARMv5TE enabled ${armv5te-no}"
4760 echo "ARMv6 enabled ${armv6-no}"
4761 echo "ARMv6T2 enabled ${armv6t2-no}"
4762 echo "VFP enabled ${vfp-no}"
4763 echo "NEON enabled ${neon-no}"
4764 echo "THUMB enabled ${thumb-no}"
4766 if enabled mips; then
4767 echo "MIPS FPU enabled ${mipsfpu-no}"
4768 echo "MIPS32R2 enabled ${mips32r2-no}"
4769 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
4770 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
4772 if enabled ppc; then
4773 echo "AltiVec enabled ${altivec-no}"
4774 echo "PPC 4xx optimizations ${ppc4xx-no}"
4775 echo "dcbzl available ${dcbzl-no}"
4777 if enabled sparc; then
4778 echo "VIS enabled ${vis-no}"
4780 echo "debug symbols ${debug-no}"
4781 echo "strip symbols ${stripping-no}"
4782 echo "optimize for size ${small-no}"
4783 echo "optimizations ${optimizations-no}"
4784 echo "static ${static-no}"
4785 echo "shared ${shared-no}"
4786 echo "postprocessing support ${postproc-no}"
4787 echo "new filter support ${avfilter-no}"
4788 echo "network support ${network-no}"
4789 echo "threading support ${thread_type-no}"
4790 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4791 echo "SDL support ${sdl-no}"
4792 echo "opencl enabled ${opencl-no}"
4793 echo "libzvbi enabled ${libzvbi-no}"
4794 echo "texi2html enabled ${texi2html-no}"
4795 echo "perl enabled ${perl-no}"
4796 echo "pod2man enabled ${pod2man-no}"
4797 echo "makeinfo enabled ${makeinfo-no}"
4798 test -n "$random_seed" &&
4799 echo "random seed ${random_seed}"
4802 echo "External libraries:"
4803 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4806 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4807 echo "Enabled ${type}s:"
4808 eval list=\$$(toupper $type)_LIST
4809 print_enabled '_*' $list | print_3_columns
4813 license="LGPL version 2.1 or later"
4814 if enabled nonfree; then
4815 license="nonfree and unredistributable"
4816 elif enabled gplv3; then
4817 license="GPL version 3 or later"
4818 elif enabled lgplv3; then
4819 license="LGPL version 3 or later"
4820 elif enabled gpl; then
4821 license="GPL version 2 or later"
4824 echo "License: $license"
4826 echo "Creating config.mak, config.h, and doc/config.texi..."
4828 test -e Makefile || echo "include $source_path/Makefile" > Makefile
4830 enabled stripping || strip="echo skipping strip"
4832 config_files="$TMPH config.mak doc/config.texi"
4834 cat > config.mak <<EOF
4835 # Automatically generated by configure - do not modify!
4836 ifndef FFMPEG_CONFIG_MAK
4838 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4840 LIBDIR=\$(DESTDIR)$libdir
4841 SHLIBDIR=\$(DESTDIR)$shlibdir
4842 INCDIR=\$(DESTDIR)$incdir
4843 BINDIR=\$(DESTDIR)$bindir
4844 DATADIR=\$(DESTDIR)$datadir
4845 DOCDIR=\$(DESTDIR)$docdir
4846 MANDIR=\$(DESTDIR)$mandir
4847 SRC_PATH=$source_path
4848 ifndef MAIN_MAKEFILE
4849 SRC_PATH:=\$(SRC_PATH:.%=..%)
4858 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4860 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4886 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4887 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
4888 YASMFLAGS=$YASMFLAGS
4889 BUILDSUF=$build_suffix
4890 PROGSSUF=$progs_suffix
4898 EXTRA_VERSION=$extra_version
4901 CCDEP_FLAGS=$CCDEP_FLAGS
4903 ASDEP_FLAGS=$ASDEP_FLAGS
4904 CC_DEPFLAGS=$CC_DEPFLAGS
4905 AS_DEPFLAGS=$AS_DEPFLAGS
4908 HOSTCFLAGS=$host_cflags
4909 HOSTCPPFLAGS=$host_cppflags
4910 HOSTEXESUF=$HOSTEXESUF
4911 HOSTLDFLAGS=$host_ldflags
4914 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4915 HOSTCCDEP=$HOSTCCDEP
4916 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4917 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4921 TARGET_EXEC=$target_exec $target_exec_args
4922 TARGET_PATH=$target_path
4923 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
4924 LIBS-ffplay=$sdl_libs
4925 CFLAGS-ffplay=$sdl_cflags
4926 ZLIB=$($ldflags_filter -lz)
4927 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4928 EXTRALIBS=$extralibs
4929 COMPAT_OBJS=$compat_objs
4932 LIBTARGET=${LIBTARGET}
4933 SLIBNAME=${SLIBNAME}
4934 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4935 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4936 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4937 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4938 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4939 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4940 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4941 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4942 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4943 NOREDZONE_FLAGS=$noredzone_flags
4948 name=$(toupper $lcname)
4949 file=$source_path/$lcname/version.h
4950 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
4951 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4952 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4953 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4954 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
4957 map 'get_version $v' $LIBRARY_LIST
4960 /* Automatically generated by configure - do not modify! */
4961 #ifndef FFMPEG_CONFIG_H
4962 #define FFMPEG_CONFIG_H
4963 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4964 #define FFMPEG_LICENSE "$(c_escape $license)"
4965 #define CONFIG_THIS_YEAR 2013
4966 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4967 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4968 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4969 #define av_restrict $_restrict
4970 #define EXTERN_PREFIX "${extern_prefix}"
4971 #define EXTERN_ASM ${extern_prefix}
4972 #define SLIBSUF "$SLIBSUF"
4973 #define HAVE_MMX2 HAVE_MMXEXT
4976 test -n "$assert_level" &&
4977 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4979 test -n "$malloc_prefix" &&
4980 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4982 if enabled yasm; then
4983 append config_files $TMPASM
4987 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
4991 echo "@c auto-generated by configure" > doc/config.texi
4993 print_config ARCH_ "$config_files" $ARCH_LIST
4994 print_config HAVE_ "$config_files" $HAVE_LIST
4995 print_config CONFIG_ "$config_files" $CONFIG_LIST \
4999 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5000 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5002 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5003 cp_if_changed $TMPH config.h
5006 enabled yasm && cp_if_changed $TMPASM config.asm
5009 /* Generated by ffconf */
5010 #ifndef AVUTIL_AVCONFIG_H
5011 #define AVUTIL_AVCONFIG_H
5014 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5016 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5018 cp_if_changed $TMPH libavutil/avconfig.h
5020 if test -n "$WARNINGS"; then
5021 printf "\n$WARNINGS"
5022 enabled fatal_warnings && exit 1
5025 # build pkg-config files
5027 pkgconfig_generate(){
5029 shortname=${name#lib}${build_suffix}
5034 enabled ${name#lib} || return 0
5036 cat <<EOF > $name/$name${build_suffix}.pc
5038 exec_prefix=\${prefix}
5043 Description: $comment
5045 Requires: $(enabled shared || echo $requires)
5046 Requires.private: $(enabled shared && echo $requires)
5048 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5049 Libs.private: $(enabled shared && echo $libs)
5050 Cflags: -I\${includedir}
5053 mkdir -p doc/examples/pc-uninstalled
5054 includedir=${source_path}
5055 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5056 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5059 libdir=\${pcfiledir}/../../../$name
5060 includedir=${includedir}
5063 Description: $comment
5067 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5068 Cflags: -I\${includedir}
5072 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5073 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
5074 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
5075 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
5076 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
5077 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
5078 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
5079 lavfi_libs=${lavfi_libs%, }
5081 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
5082 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
5084 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5085 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5086 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
5087 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
5088 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
5089 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5090 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5091 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5092 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5094 fix_ffmpeg_remote(){
5097 fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
5098 if [ "$fixme_remote" != "" ]; then
5100 Outdated domain in git config, the official domain for ffmpeg git is since
5101 November 2011, source.ffmpeg.org, both the old and the new point to the same
5102 repository and server. To update it enter the following commands:
5104 for remote in $fixme_remote; do
5105 echolog "git remote set-url $remote $git_remote_to"
5110 if test -f "$source_path/.git/config"; then
5111 remote_from=git.videolan.org
5112 remote_to=source.ffmpeg.org
5113 fix_ffmpeg_remote git@$remote_from:ffmpeg git@$remote_to:ffmpeg
5114 fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg