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 [$as_default]
270 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
271 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
272 --cc=CC use C compiler CC [$cc_default]
273 --cxx=CXX use C compiler CXX [$cxx_default]
274 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
275 --ld=LD use linker LD [$ld_default]
276 --host-cc=HOSTCC use host C compiler HOSTCC
277 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
278 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
279 --host-ld=HOSTLD use host linker HOSTLD
280 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
281 --host-libs=HLIBS use libs HLIBS when linking for host
282 --host-os=OS compiler host OS [$target_os]
283 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
284 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
285 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
286 --extra-libs=ELIBS add ELIBS [$ELIBS]
287 --extra-version=STRING version string suffix []
288 --optflags=OPTFLAGS override optimization-related compiler flags
289 --build-suffix=SUFFIX library name suffix []
290 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
291 --progs-suffix=SUFFIX program name suffix []
292 --arch=ARCH select architecture [$arch]
293 --cpu=CPU select the minimum required CPU (affects
294 instruction selection, may crash on older CPUs)
295 --enable-pic build position-independent code
296 --enable-sram allow use of on-chip SRAM
297 --enable-thumb compile for Thumb instruction set
298 --disable-symver disable symbol versioning
299 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
300 --disable-safe-bitstream-reader
301 disable buffer boundary checking in bitreaders
302 (faster, but may crash)
303 --enable-memalign-hack emulate memalign, interferes with memory debuggers
304 --enable-lto use link-time optimization
306 Optimization options (experts only):
307 --disable-asm disable all assembler optimizations
308 --disable-altivec disable AltiVec optimizations
309 --disable-amd3dnow disable 3DNow! optimizations
310 --disable-amd3dnowext disable 3DNow! extended optimizations
311 --disable-mmx disable MMX optimizations
312 --disable-mmxext disable MMXEXT optimizations
313 --disable-sse disable SSE optimizations
314 --disable-sse2 disable SSE2 optimizations
315 --disable-sse3 disable SSE3 optimizations
316 --disable-ssse3 disable SSSE3 optimizations
317 --disable-sse4 disable SSE4 optimizations
318 --disable-sse42 disable SSE4.2 optimizations
319 --disable-avx disable AVX optimizations
320 --disable-fma4 disable FMA4 optimizations
321 --disable-avx2 disable AVX2 optimizations
322 --disable-armv5te disable armv5te optimizations
323 --disable-armv6 disable armv6 optimizations
324 --disable-armv6t2 disable armv6t2 optimizations
325 --disable-vfp disable VFP optimizations
326 --disable-neon disable NEON optimizations
327 --disable-vis disable VIS optimizations
328 --disable-inline-asm disable use of inline assembler
329 --disable-yasm disable use of yasm assembler
330 --disable-mips32r2 disable MIPS32R2 optimizations
331 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
332 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
333 --disable-mipsfpu disable floating point MIPS optimizations
334 --disable-fast-unaligned consider unaligned accesses slow
336 Developer options (useful when working on FFmpeg itself):
337 --disable-debug disable debugging symbols
338 --enable-debug=LEVEL set the debug level [$debuglevel]
339 --disable-optimizations disable compiler optimizations
340 --enable-extra-warnings enable more compiler warnings
341 --disable-stripping disable stripping of executables and shared libraries
342 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
343 2 causes a slowdown at runtime.
344 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
345 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
346 leaks and errors, using the specified valgrind binary.
347 Cannot be combined with --target-exec
348 --enable-ftrapv Trap arithmetic overflows
349 --samples=PATH location of test samples for FATE, if not set use
350 \$FATE_SAMPLES at make invocation time.
351 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
352 should be used only for debugging purposes)
353 --enable-random randomly enable/disable components
355 --enable-random=LIST randomly enable/disable specific components or
356 --disable-random=LIST component groups. LIST is a comma-separated list
357 of NAME[:PROB] entries where NAME is a component
358 (group) and PROB the probability associated with
360 --random-seed=VALUE seed value for --enable/disable-random
362 NOTE: Object files are built at the place where configure is launched.
370 echo "$@" >> $logfile
375 pr -n -t $1 >> $logfile
386 WARNINGS="${WARNINGS}WARNING: $*\n"
393 If you think configure made a mistake, make sure you are using the latest
394 version from Git. If the latest version fails, report the problem to the
395 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
397 if disabled logging; then
399 Rerun configure with logging enabled (do not use --disable-logging), and
400 include the log this produces with your report.
404 Include the log file "$logfile" produced by configure as this will help
411 # Avoid locale weirdness, besides we really just want to translate ASCII.
413 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
417 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
421 echo "$*" | sed 's/["\\]/\\\0/g'
425 v=$(echo "$1" | sed "s/'/'\\\\''/g")
426 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
431 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\r//g'
438 eval "case $v in $pat) echo $v ;; esac"
446 eval "case $v in $pat) ;; *) echo $v ;; esac"
453 for v; do eval $m; done
459 for v; do echo ${v}${suffix}; done
474 eval : \${$var:=$value}
479 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
485 eval $(sanitize_var_name "$var")='$*'
489 eval echo \$$(sanitize_var_name "$1")
494 eval level=\${${pvar}_level:=0}
495 eval ${pvar}_${level}="\$$pvar"
496 eval ${pvar}_level=$(($level+1))
502 eval level=\${${pvar}_level:-0}
503 test $level = 0 && continue
504 eval level=$(($level-1))
505 eval $pvar="\${${pvar}_${level}}"
506 eval ${pvar}_level=$level
507 eval unset ${pvar}_${level}
529 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
535 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
541 enabled $var && continue
542 eval sel="\$${var}_select"
543 eval sgs="\$${var}_suggest"
547 enable_deep_weak $sgs
559 disabled $var && continue
568 test "${1#!}" = "$1" && op== || op=!=
569 eval test "x\$${1#!}" $op "xyes"
573 test "${1#!}" = "$1" && op== || op=!=
574 eval test "x\$${1#!}" $op "xno"
579 enabled $opt || return 1
585 disabled $opt || return 1
591 enabled $opt && return 0
597 disabled $opt && return 0
604 eval : \${$opt:=\$${opt}_default}
612 [ $var = $value ] && return 0
620 enabled ${cfg}_checking && die "Circular dependency for $cfg."
621 disabled ${cfg}_checking && continue
622 enable ${cfg}_checking
625 eval dep_all="\$${cfg}_deps"
626 eval dep_any="\$${cfg}_deps_any"
627 eval dep_sel="\$${cfg}_select"
628 eval dep_sgs="\$${cfg}_suggest"
629 eval dep_ifa="\$${cfg}_if"
630 eval dep_ifn="\$${cfg}_if_any"
632 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
633 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
634 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
636 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
637 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
638 enabled_all $dep_all || disable $cfg
639 enabled_any $dep_any || disable $cfg
640 disabled_any $dep_sel && disable $cfg
642 if enabled $cfg; then
644 enable_deep_weak $dep_sgs
647 disable ${cfg}_checking
656 for cfg in $allopts; do
657 enabled $cfg || continue
658 eval dep_extralibs="\$${cfg}_extralibs"
659 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
667 map 'eval echo "$v \${$v:-no}"' "$@" |
668 awk "BEGIN { split(\"$files\", files) }
670 c = \"$pfx\" toupper(\$1);
676 if (file ~ /\\.h\$/) {
677 printf(\"#define %s %d\\n\", c, v) >>file;
678 } else if (file ~ /\\.asm\$/) {
679 printf(\"%%define %s %d\\n\", c, v) >>file;
680 } else if (file ~ /\\.mak\$/) {
681 n = -v ? \"\" : \"!\";
682 printf(\"%s%s=yes\\n\", n, c) >>file;
683 } else if (file ~ /\\.texi\$/) {
684 pre = -v ? \"\" : \"@c \";
687 gsub(/_/, \"-\", c2);
688 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
698 enabled $v && printf "%s\n" ${v%$suf};
705 eval "$var=\"\$$var $*\""
711 eval "$var=\"$* \$$var\""
719 append CFLAGS $($cflags_filter "$@")
723 append CXXFLAGS $($cflags_filter "$@")
727 append ASFLAGS $($asflags_filter "$@")
731 append LDFLAGS $($ldflags_filter "$@")
735 append ASMSTRIPFLAGS "$@"
739 prepend extralibs $($ldflags_filter "$@")
743 append host_cppflags "$@"
747 append host_cflags $($host_cflags_filter "$@")
751 append host_ldflags $($host_ldflags_filter "$@")
755 append compat_objs $1
757 map 'add_cppflags -D$v' "$@"
762 "$@" >> $logfile 2>&1
766 eval printf '%s\\n' $CC_O
770 eval printf '%s\\n' $CC_E
777 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
784 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
791 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
795 eval printf '%s\\n' $AS_O
802 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
806 log check_inline_asm "$@"
811 check_cc "$@" <<EOF && enable $name
812 void foo(void){ __asm__ volatile($code); }
818 check_inline_asm ${1}_inline "\"$2\""
819 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
827 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
831 eval printf '%s\\n' $LD_O
838 flags=$(filter_out '-l*|*.so' $@)
839 libs=$(filter '-l*|*.so' $@)
840 check_$type $($cflags_filter $flags) || return
841 flags=$($ldflags_filter $flags)
842 libs=$($ldflags_filter $libs)
843 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
853 for hdr in $headers; do
854 echo "#include <$hdr>"
856 echo "int main(void) { $code; return 0; }"
857 } | check_$check "$@"
861 log check_cppflags "$@"
862 check_cc "$@" <<EOF && append CPPFLAGS "$@"
869 set -- $($cflags_filter "$@")
876 log check_cflags "$@"
877 test_cflags "$@" && add_cflags "$@"
881 log check_cxxflags "$@"
882 set -- $($cflags_filter "$@")
883 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
889 log test_ldflags "$@"
890 check_ld "cc" "$@" <<EOF
891 int main(void){ return 0; }
896 log check_ldflags "$@"
897 test_ldflags "$@" && add_ldflags "$@"
901 log test_stripflags "$@"
902 # call check_cc to get a fresh TMPO
904 int main(void) { return 0; }
906 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
910 log check_stripflags "$@"
911 test_stripflags "$@" && add_stripflags "$@"
915 log check_header "$@"
919 check_cpp "$@" <<EOF && enable_safe $header
930 check_ld "cc" "$@" <<EOF && enable $func
932 int main(void){ $func(); }
937 log check_mathfunc "$@"
941 test $narg = 2 && args="f, g" || args="f"
943 check_ld "cc" "$@" <<EOF && enable $func
945 float foo(float f, float g) { return $func($args); }
946 int main(void){ return (int) foo; }
950 check_func_headers(){
951 log check_func_headers "$@"
956 for hdr in $headers; do
957 echo "#include <$hdr>"
959 for func in $funcs; do
960 echo "long check_$func(void) { return (long) $func; }"
962 echo "int main(void) { return 0; }"
963 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
966 check_class_headers_cpp(){
967 log check_class_headers_cpp "$@"
972 for hdr in $headers; do
973 echo "#include <$hdr>"
975 echo "int main(void) { "
977 for class in $classes; do
982 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
985 check_cpp_condition(){
986 log check_cpp_condition "$@"
993 #error "unsatisfied condition: $condition"
1003 check_header $header && check_func $func "$@" && add_extralibs "$@"
1011 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1015 log check_lib_cpp "$@"
1019 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1023 log check_pkg_config "$@"
1028 check_cmd $pkg_config --exists --print-errors $pkg || return
1029 pkg_cflags=$($pkg_config --cflags $pkg)
1030 pkg_libs=$($pkg_config --libs $pkg)
1031 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1032 set_safe ${pkg}_cflags $pkg_cflags &&
1033 set_safe ${pkg}_libs $pkg_libs
1037 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1043 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1044 # are safe but may not be available everywhere. Thus we use
1045 # raise(SIGTERM) instead. The check is run in a subshell so we
1046 # can redirect the "Terminated" message from the shell. SIGBUS
1047 # is not defined by standard C so it is used conditionally.
1049 (check_exec "$@") >> $logfile 2>&1 <<EOF
1051 static void sighandler(int sig){
1057 int (*func_ptr)(void) = foo;
1059 signal(SIGILL, sighandler);
1060 signal(SIGFPE, sighandler);
1061 signal(SIGSEGV, sighandler);
1063 signal(SIGBUS, sighandler);
1075 disable_safe "$type"
1076 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1080 log check_struct "$@"
1085 disable_safe "${struct}_${member}"
1086 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1087 enable_safe "${struct}_${member}"
1091 log check_builtin "$@"
1097 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1105 check_lib $header $func "$@" || die "ERROR: $name not found"
1113 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1121 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1124 require_pkg_config(){
1126 check_pkg_config "$@" || die "ERROR: $pkg not found"
1127 add_cflags $(get_safe ${pkg}_cflags)
1128 add_extralibs $(get_safe ${pkg}_libs)
1131 require_libfreetype(){
1132 log require_libfreetype "$@"
1134 check_cmd $pkg_config --exists --print-errors $pkg \
1135 || die "ERROR: $pkg not found"
1136 pkg_cflags=$($pkg_config --cflags $pkg)
1137 pkg_libs=$($pkg_config --libs $pkg)
1139 echo "#include <ft2build.h>"
1140 echo "#include FT_FREETYPE_H"
1141 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1142 echo "int main(void) { return 0; }"
1143 } | check_ld "cc" $pkg_cflags $pkg_libs \
1144 && set_safe ${pkg}_cflags $pkg_cflags \
1145 && set_safe ${pkg}_libs $pkg_libs \
1146 || die "ERROR: $pkg not found"
1147 add_cflags $(get_safe ${pkg}_cflags)
1148 add_extralibs $(get_safe ${pkg}_libs)
1152 eval printf '%s\\n' $HOSTCC_O
1156 log check_host_cc "$@"
1159 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1162 check_host_cppflags(){
1163 log check_host_cppflags "$@"
1164 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1169 check_host_cflags(){
1170 log check_host_cflags "$@"
1171 set -- $($host_cflags_filter "$@")
1172 check_host_cc "$@" <<EOF && append host_cflags "$@"
1180 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1184 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1185 mkdir -p "$(dirname $2)"
1189 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1190 # system-dependent things.
1207 decoding_encoding_example
1208 demuxing_decoding_example
1209 filtering_audio_example
1210 filtering_video_example
1213 resampling_audio_example
1214 scaling_video_example
1215 transcode_aac_example
1218 EXTERNAL_LIBRARY_LIST="
1319 $EXTERNAL_LIBRARY_LIST
1332 incompatible_libav_abi
1333 incompatible_fork_abi
1344 safe_bitstream_reader
1441 incompatible_libav_abi
1442 incompatible_fork_abi
1475 $(add_suffix _external $ARCH_EXT_LIST)
1476 $(add_suffix _inline $ARCH_EXT_LIST)
1496 cdio_paranoia_paranoia_h
1504 dev_bktr_ioctl_bt848_h
1505 dev_bktr_ioctl_meteor_h
1507 dev_video_bktr_ioctl_bt848_h
1508 dev_video_meteor_ioctl_meteor_h
1524 GetProcessAffinityMask
1525 GetProcessMemoryInfo
1527 GetSystemTimeAsFileTime
1540 jack_port_get_latency_range
1550 machine_ioctl_bt848_h
1551 machine_ioctl_meteor_h
1564 openjpeg_1_5_openjpeg_h
1577 SetConsoleTextAttribute
1586 struct_group_source_req
1587 struct_ip_mreq_source
1590 struct_rusage_ru_maxrss
1591 struct_sctp_event_subscribe
1593 struct_sockaddr_sa_len
1594 struct_sockaddr_storage
1595 struct_stat_st_mtim_tv_nsec
1596 struct_v4l2_frmivalenum_discrete
1599 sync_val_compare_and_swap
1625 # options emitted with CONFIG_ prefix but not available on the command line
1632 frame_thread_encoder
1735 # code dependency declarations
1737 # architecture extensions
1746 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1749 mips32r2_deps="mips"
1750 mipsdspr1_deps="mips"
1751 mipsdspr2_deps="mips"
1759 x86_64_select="i686"
1760 x86_64_suggest="fast_cmov"
1763 amd3dnowext_deps="amd3dnow"
1776 mmx_external_deps="yasm"
1777 mmx_inline_deps="inline_asm"
1778 mmx_suggest="mmx_external mmx_inline"
1780 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1781 eval dep=\$${ext}_deps
1782 eval ${ext}_external_deps='"${dep}_external"'
1783 eval ${ext}_inline_deps='"${dep}_inline"'
1784 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1787 aligned_stack_if_any="ppc x86"
1788 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1789 fast_clz_if_any="alpha avr32 mips ppc x86"
1790 fast_unaligned_if_any="ppc x86"
1792 inline_asm_deps="!tms470"
1793 need_memalign="altivec neon sse"
1795 symver_if_any="symver_asm_label symver_gnu_asm"
1801 error_resilience_select="dsputil"
1802 frame_thread_encoder_deps="encoders threads"
1803 lpc_select="dsputil"
1806 mpegaudio_select="mpegaudiodsp"
1807 mpegaudiodsp_select="dct"
1808 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1809 mpegvideoenc_select="mpegvideo"
1811 # decoders / encoders
1812 aac_decoder_select="mdct sinewin"
1813 aac_encoder_select="audio_frame_queue mdct sinewin"
1814 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1815 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1816 ac3_encoder_select="mdct ac3dsp dsputil"
1817 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1818 aic_decoder_select="dsputil golomb"
1819 alac_encoder_select="lpc"
1820 als_decoder_select="dsputil"
1821 amrnb_decoder_select="lsp"
1822 amrwb_decoder_select="lsp"
1823 amv_decoder_select="dsputil hpeldsp exif"
1824 amv_encoder_select="aandcttables"
1825 ape_decoder_select="dsputil"
1826 asv1_decoder_select="dsputil"
1827 asv1_encoder_select="dsputil"
1828 asv2_decoder_select="dsputil"
1829 asv2_encoder_select="dsputil"
1830 atrac1_decoder_select="mdct sinewin"
1831 atrac3_decoder_select="mdct"
1832 avrn_decoder_select="exif"
1833 bink_decoder_select="dsputil hpeldsp"
1834 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1835 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1836 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1837 cllc_decoder_select="dsputil"
1838 comfortnoise_encoder_select="lpc"
1839 cook_decoder_select="dsputil mdct sinewin"
1840 cscd_decoder_select="lzo"
1841 cscd_decoder_suggest="zlib"
1842 dca_decoder_select="mdct"
1843 dirac_decoder_select="dsputil dwt golomb videodsp"
1844 dnxhd_decoder_select="dsputil"
1845 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1846 dvvideo_decoder_select="dsputil"
1847 dvvideo_encoder_select="dsputil"
1848 dxa_decoder_select="zlib"
1849 eac3_decoder_select="ac3_decoder"
1850 eac3_encoder_select="ac3_encoder"
1851 eamad_decoder_select="aandcttables dsputil mpegvideo"
1852 eatgq_decoder_select="aandcttables"
1853 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1854 exr_decoder_select="zlib"
1855 ffv1_decoder_select="dsputil golomb rangecoder"
1856 ffv1_encoder_select="dsputil rangecoder"
1857 ffvhuff_decoder_select="dsputil"
1858 ffvhuff_encoder_select="dsputil huffman"
1859 flac_decoder_select="golomb"
1860 flac_encoder_select="dsputil golomb lpc"
1861 flashsv_decoder_select="zlib"
1862 flashsv_encoder_select="zlib"
1863 flashsv2_encoder_select="zlib"
1864 flashsv2_decoder_select="zlib"
1865 flv_decoder_select="h263_decoder"
1866 flv_encoder_select="h263_encoder"
1867 fourxm_decoder_select="dsputil"
1868 fraps_decoder_select="dsputil huffman"
1869 g2m_decoder_select="dsputil zlib"
1870 g729_decoder_select="dsputil"
1871 h261_decoder_select="error_resilience mpegvideo"
1872 h261_encoder_select="aandcttables mpegvideoenc"
1873 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
1874 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1875 h263i_decoder_select="h263_decoder"
1876 h263p_encoder_select="h263_encoder"
1877 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1878 h264_decoder_suggest="error_resilience"
1879 hevc_decoder_select="dsputil golomb videodsp"
1880 huffyuv_decoder_select="dsputil"
1881 huffyuv_encoder_select="dsputil huffman"
1882 iac_decoder_select="dsputil fft mdct sinewin"
1883 imc_decoder_select="dsputil fft mdct sinewin"
1884 indeo3_decoder_select="hpeldsp"
1885 interplay_video_decoder_select="hpeldsp"
1886 jpegls_decoder_select="dsputil golomb hpeldsp exif"
1887 jpegls_encoder_select="golomb"
1888 jv_decoder_select="dsputil"
1889 lagarith_decoder_select="dsputil"
1890 ljpeg_encoder_select="aandcttables mpegvideoenc"
1891 loco_decoder_select="golomb"
1892 mdec_decoder_select="dsputil error_resilience mpegvideo"
1893 metasound_decoder_select="lsp mdct sinewin"
1894 mimic_decoder_select="dsputil hpeldsp"
1895 mjpeg_decoder_select="dsputil hpeldsp exif"
1896 mjpegb_decoder_select="dsputil hpeldsp exif"
1897 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1898 mlp_decoder_select="dsputil mlp_parser"
1899 motionpixels_decoder_select="dsputil"
1900 mp1_decoder_select="mpegaudio"
1901 mp1float_decoder_select="mpegaudio"
1902 mp2_decoder_select="mpegaudio"
1903 mp2float_decoder_select="mpegaudio"
1904 mp3_decoder_select="mpegaudio"
1905 mp3adu_decoder_select="mpegaudio"
1906 mp3adufloat_decoder_select="mpegaudio"
1907 mp3float_decoder_select="mpegaudio"
1908 mp3on4_decoder_select="mpegaudio"
1909 mp3on4float_decoder_select="mpegaudio"
1910 mpc7_decoder_select="dsputil mpegaudiodsp"
1911 mpc8_decoder_select="dsputil mpegaudiodsp"
1912 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1913 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1914 mpeg1video_decoder_select="error_resilience mpegvideo"
1915 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1916 mpeg2video_decoder_select="error_resilience mpegvideo"
1917 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1918 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1919 mpeg4_encoder_select="h263_encoder"
1920 msmpeg4v1_decoder_select="h263_decoder"
1921 msmpeg4v2_decoder_select="h263_decoder"
1922 msmpeg4v2_encoder_select="h263_encoder"
1923 msmpeg4v3_decoder_select="h263_decoder"
1924 msmpeg4v3_encoder_select="h263_encoder"
1925 mss2_decoder_select="error_resilience vc1_decoder"
1926 mxpeg_decoder_select="dsputil hpeldsp exif"
1927 nellymoser_decoder_select="mdct sinewin"
1928 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1929 nuv_decoder_select="dsputil lzo"
1930 png_decoder_select="zlib"
1931 png_encoder_select="dsputil zlib"
1932 prores_decoder_select="dsputil"
1933 prores_encoder_select="dsputil"
1934 qcelp_decoder_select="lsp"
1935 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1936 ra_144_encoder_select="audio_frame_queue lpc"
1937 ralf_decoder_select="golomb"
1938 rtjpeg_decoder_select="dsputil"
1939 rv10_decoder_select="error_resilience h263_decoder h263dsp"
1940 rv10_encoder_select="h263_encoder"
1941 rv20_decoder_select="error_resilience h263_decoder h263dsp"
1942 rv20_encoder_select="h263_encoder"
1943 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1944 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1945 shorten_decoder_select="golomb"
1946 sipr_decoder_select="lsp"
1947 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
1948 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
1949 sonic_decoder_select="golomb"
1950 sonic_encoder_select="golomb"
1951 sonic_ls_encoder_select="golomb"
1952 sp5x_decoder_select="dsputil hpeldsp exif"
1953 svq1_decoder_select="hpeldsp"
1954 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1955 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1956 svq3_decoder_suggest="error_resilience zlib"
1957 tak_decoder_select="dsputil"
1958 theora_decoder_select="vp3_decoder"
1959 tiff_decoder_suggest="zlib"
1960 tiff_encoder_suggest="zlib"
1961 thp_decoder_select="dsputil hpeldsp exif"
1962 truehd_decoder_select="mlp_parser"
1963 truemotion2_decoder_select="dsputil"
1964 truespeech_decoder_select="dsputil"
1965 tscc_decoder_select="zlib"
1966 twinvq_decoder_select="mdct lsp sinewin"
1967 utvideo_decoder_select="dsputil"
1968 utvideo_encoder_select="dsputil huffman"
1969 vble_decoder_select="dsputil"
1970 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1971 vc1image_decoder_select="vc1_decoder"
1972 vorbis_decoder_select="mdct"
1973 vorbis_encoder_select="mdct"
1974 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1975 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1976 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1977 vp6a_decoder_select="vp6_decoder"
1978 vp6f_decoder_select="vp6_decoder"
1979 vp8_decoder_select="h264pred videodsp"
1980 vp9_decoder_select="videodsp"
1981 webp_decoder_select="vp8_decoder"
1982 wmapro_decoder_select="mdct sinewin"
1983 wmav1_decoder_select="mdct sinewin"
1984 wmav1_encoder_select="mdct sinewin"
1985 wmav2_decoder_select="mdct sinewin"
1986 wmav2_encoder_select="mdct sinewin"
1987 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1988 wmv1_decoder_select="h263_decoder"
1989 wmv1_encoder_select="h263_encoder"
1990 wmv2_decoder_select="h263_decoder videodsp"
1991 wmv2_encoder_select="h263_encoder"
1992 wmv3_decoder_select="vc1_decoder"
1993 wmv3image_decoder_select="wmv3_decoder"
1994 zerocodec_decoder_select="zlib"
1995 zlib_decoder_select="zlib"
1996 zlib_encoder_select="zlib"
1997 zmbv_decoder_select="zlib"
1998 zmbv_encoder_select="zlib"
2000 # hardware accelerators
2001 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2002 dxva2_deps="dxva2api_h"
2003 vaapi_deps="va_va_h"
2004 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2005 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2006 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2008 h263_vaapi_hwaccel_deps="vaapi"
2009 h263_vaapi_hwaccel_select="h263_decoder"
2010 h263_vdpau_hwaccel_deps="vdpau"
2011 h263_vdpau_hwaccel_select="h263_decoder"
2012 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2013 h264_dxva2_hwaccel_deps="dxva2"
2014 h264_dxva2_hwaccel_select="h264_decoder"
2015 h264_vaapi_hwaccel_deps="vaapi"
2016 h264_vaapi_hwaccel_select="h264_decoder"
2017 h264_vda_decoder_deps="vda"
2018 h264_vda_decoder_select="h264_decoder"
2019 h264_vda_hwaccel_deps="vda"
2020 h264_vda_hwaccel_select="h264_decoder"
2021 h264_vdpau_decoder_deps="vdpau"
2022 h264_vdpau_decoder_select="h264_decoder"
2023 h264_vdpau_hwaccel_deps="vdpau"
2024 h264_vdpau_hwaccel_select="h264_decoder"
2025 mpeg_vdpau_decoder_deps="vdpau"
2026 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2027 mpeg1_vdpau_decoder_deps="vdpau"
2028 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2029 mpeg1_vdpau_hwaccel_deps="vdpau"
2030 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2031 mpeg2_crystalhd_decoder_select="crystalhd"
2032 mpeg2_dxva2_hwaccel_deps="dxva2"
2033 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2034 mpeg2_vaapi_hwaccel_deps="vaapi"
2035 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2036 mpeg2_vdpau_hwaccel_deps="vdpau"
2037 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2038 mpeg4_crystalhd_decoder_select="crystalhd"
2039 mpeg4_vaapi_hwaccel_deps="vaapi"
2040 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2041 mpeg4_vdpau_decoder_deps="vdpau"
2042 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2043 mpeg4_vdpau_hwaccel_deps="vdpau"
2044 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2045 msmpeg4_crystalhd_decoder_select="crystalhd"
2046 vc1_crystalhd_decoder_select="crystalhd"
2047 vc1_dxva2_hwaccel_deps="dxva2"
2048 vc1_dxva2_hwaccel_select="vc1_decoder"
2049 vc1_vaapi_hwaccel_deps="vaapi"
2050 vc1_vaapi_hwaccel_select="vc1_decoder"
2051 vc1_vdpau_decoder_deps="vdpau"
2052 vc1_vdpau_decoder_select="vc1_decoder"
2053 vc1_vdpau_hwaccel_deps="vdpau"
2054 vc1_vdpau_hwaccel_select="vc1_decoder"
2055 wmv3_crystalhd_decoder_select="crystalhd"
2056 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2057 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2058 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2059 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2062 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
2063 hevc_parser_select="hevc_decoder"
2064 mpeg4video_parser_select="error_resilience mpegvideo"
2065 mpegvideo_parser_select="error_resilience mpegvideo"
2066 vc1_parser_select="mpegvideo"
2068 # external libraries
2069 libaacplus_encoder_deps="libaacplus"
2070 libcelt_decoder_deps="libcelt"
2071 libfaac_encoder_deps="libfaac"
2072 libfaac_encoder_select="audio_frame_queue"
2073 libfdk_aac_decoder_deps="libfdk_aac"
2074 libfdk_aac_encoder_deps="libfdk_aac"
2075 libfdk_aac_encoder_select="audio_frame_queue"
2076 libgme_demuxer_deps="libgme"
2077 libgsm_decoder_deps="libgsm"
2078 libgsm_encoder_deps="libgsm"
2079 libgsm_ms_decoder_deps="libgsm"
2080 libgsm_ms_encoder_deps="libgsm"
2081 libilbc_decoder_deps="libilbc"
2082 libilbc_encoder_deps="libilbc"
2083 libmodplug_demuxer_deps="libmodplug"
2084 libmp3lame_encoder_deps="libmp3lame"
2085 libmp3lame_encoder_select="audio_frame_queue"
2086 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2087 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2088 libopencore_amrnb_encoder_select="audio_frame_queue"
2089 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2090 libopenjpeg_decoder_deps="libopenjpeg"
2091 libopenjpeg_encoder_deps="libopenjpeg"
2092 libopus_decoder_deps="libopus"
2093 libopus_encoder_deps="libopus"
2094 libopus_encoder_select="audio_frame_queue"
2095 libquvi_demuxer_deps="libquvi"
2096 libschroedinger_decoder_deps="libschroedinger"
2097 libschroedinger_encoder_deps="libschroedinger"
2098 libshine_encoder_deps="libshine"
2099 libshine_encoder_select="audio_frame_queue"
2100 libspeex_decoder_deps="libspeex"
2101 libspeex_encoder_deps="libspeex"
2102 libspeex_encoder_select="audio_frame_queue"
2103 libstagefright_h264_decoder_deps="libstagefright_h264"
2104 libtheora_encoder_deps="libtheora"
2105 libtwolame_encoder_deps="libtwolame"
2106 libvo_aacenc_encoder_deps="libvo_aacenc"
2107 libvo_aacenc_encoder_select="audio_frame_queue"
2108 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2109 libvorbis_decoder_deps="libvorbis"
2110 libvorbis_encoder_deps="libvorbis"
2111 libvorbis_encoder_select="audio_frame_queue"
2112 libvpx_vp8_decoder_deps="libvpx"
2113 libvpx_vp8_encoder_deps="libvpx"
2114 libvpx_vp9_decoder_deps="libvpx"
2115 libvpx_vp9_encoder_deps="libvpx"
2116 libwavpack_encoder_deps="libwavpack"
2117 libx264_encoder_deps="libx264"
2118 libx264rgb_encoder_deps="libx264"
2119 libxavs_encoder_deps="libxavs"
2120 libxvid_encoder_deps="libxvid"
2121 libutvideo_decoder_deps="libutvideo"
2122 libutvideo_encoder_deps="libutvideo"
2123 libzvbi_teletext_decoder_deps="libzvbi"
2126 ac3_demuxer_select="ac3_parser"
2127 asf_demuxer_select="riffdec"
2128 asf_muxer_select="riffenc"
2129 asf_stream_muxer_select="asf_muxer"
2130 avi_demuxer_select="riffdec"
2131 avi_muxer_select="riffenc"
2132 avisynth_demuxer_deps="avisynth"
2133 avisynth_demuxer_select="riffdec"
2134 caf_demuxer_select="riffdec"
2135 dirac_demuxer_select="dirac_parser"
2136 dts_demuxer_select="dca_parser"
2137 dtshd_demuxer_select="dca_parser"
2138 dxa_demuxer_select="riffdec"
2139 eac3_demuxer_select="ac3_parser"
2140 f4v_muxer_select="mov_muxer"
2141 flac_demuxer_select="flac_parser"
2142 hds_muxer_select="flv_muxer"
2143 hls_muxer_select="mpegts_muxer"
2144 ipod_muxer_select="mov_muxer"
2145 ismv_muxer_select="mov_muxer"
2146 libnut_demuxer_deps="libnut"
2147 libnut_muxer_deps="libnut"
2148 matroska_audio_muxer_select="matroska_muxer"
2149 matroska_demuxer_select="riffdec"
2150 matroska_demuxer_suggest="bzlib lzo zlib"
2151 matroska_muxer_select="riffenc"
2152 mmf_muxer_select="riffenc"
2153 mov_demuxer_select="riffdec"
2154 mov_demuxer_suggest="zlib"
2155 mov_muxer_select="riffenc rtpenc_chain"
2156 mp3_demuxer_select="mpegaudio_parser"
2157 mp4_muxer_select="mov_muxer"
2158 mpegts_muxer_select="adts_muxer latm_muxer"
2159 mpegtsraw_demuxer_select="mpegts_demuxer"
2160 mxf_d10_muxer_select="mxf_muxer"
2161 nut_muxer_select="riffenc"
2162 nuv_demuxer_select="riffdec"
2163 ogg_demuxer_select="golomb"
2164 psp_muxer_select="mov_muxer"
2165 rtp_demuxer_select="sdp_demuxer"
2166 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2167 rtsp_demuxer_select="http_protocol rtpdec"
2168 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2169 sap_demuxer_select="sdp_demuxer"
2170 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2171 sdp_demuxer_select="rtpdec"
2172 smoothstreaming_muxer_select="ismv_muxer"
2173 spdif_muxer_select="aac_parser"
2174 tak_demuxer_select="tak_parser"
2175 tg2_muxer_select="mov_muxer"
2176 tgp_muxer_select="mov_muxer"
2177 vobsub_demuxer_select="mpegps_demuxer"
2178 w64_demuxer_select="wav_demuxer"
2179 w64_muxer_select="wav_muxer"
2180 wav_demuxer_select="riffdec"
2181 wav_muxer_select="riffenc"
2182 webm_muxer_select="riffenc"
2183 wtv_demuxer_select="riffdec"
2184 xmv_demuxer_select="riffdec"
2185 xwma_demuxer_select="riffdec"
2188 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2189 alsa_outdev_deps="alsa_asoundlib_h"
2190 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2191 caca_outdev_deps="libcaca"
2192 dshow_indev_deps="IBaseFilter"
2193 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2194 dv1394_indev_deps="dv1394"
2195 dv1394_indev_select="dv_demuxer"
2196 fbdev_indev_deps="linux_fb_h"
2197 fbdev_outdev_deps="linux_fb_h"
2198 iec61883_indev_deps="libiec61883"
2199 jack_indev_deps="jack_jack_h sem_timedwait"
2200 lavfi_indev_deps="avfilter"
2201 libcdio_indev_deps="libcdio"
2202 libdc1394_indev_deps="libdc1394"
2203 libv4l2_indev_deps="libv4l2"
2204 openal_indev_deps="openal"
2205 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2206 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2207 pulse_indev_deps="libpulse"
2208 pulse_outdev_deps="libpulse"
2209 sdl_outdev_deps="sdl"
2210 sndio_indev_deps="sndio_h"
2211 sndio_outdev_deps="sndio_h"
2212 v4l_indev_deps="linux_videodev_h"
2213 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2214 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2215 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2216 vfwcap_indev_extralibs="-lavicap32"
2217 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2218 xv_outdev_extralibs="-lXv -lX11 -lXext"
2219 x11grab_indev_deps="x11grab"
2222 bluray_protocol_deps="libbluray"
2223 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2224 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2225 ffrtmpcrypt_protocol_select="tcp_protocol"
2226 ffrtmphttp_protocol_deps="!librtmp_protocol"
2227 ffrtmphttp_protocol_select="http_protocol"
2228 ftp_protocol_select="tcp_protocol"
2229 gopher_protocol_select="network"
2230 httpproxy_protocol_select="tcp_protocol"
2231 http_protocol_select="tcp_protocol"
2232 https_protocol_select="tls_protocol"
2233 librtmp_protocol_deps="librtmp"
2234 librtmpe_protocol_deps="librtmp"
2235 librtmps_protocol_deps="librtmp"
2236 librtmpt_protocol_deps="librtmp"
2237 librtmpte_protocol_deps="librtmp"
2238 libssh_protocol_deps="libssh"
2239 mmsh_protocol_select="http_protocol"
2240 mmst_protocol_select="network"
2241 rtmp_protocol_deps="!librtmp_protocol"
2242 rtmp_protocol_select="tcp_protocol"
2243 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2244 rtmps_protocol_deps="!librtmp_protocol"
2245 rtmps_protocol_select="tls_protocol"
2246 rtmpt_protocol_select="ffrtmphttp_protocol"
2247 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2248 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2249 rtp_protocol_select="udp_protocol"
2250 sctp_protocol_deps="struct_sctp_event_subscribe"
2251 sctp_protocol_select="network"
2252 srtp_protocol_select="rtp_protocol"
2253 tcp_protocol_select="network"
2254 tls_protocol_deps_any="openssl gnutls"
2255 tls_protocol_select="tcp_protocol"
2256 udp_protocol_select="network"
2257 unix_protocol_deps="sys_un_h"
2258 unix_protocol_select="network"
2261 aconvert_filter_deps="swresample"
2262 amovie_filter_deps="avcodec avformat"
2263 aresample_filter_deps="swresample"
2264 ass_filter_deps="libass"
2265 asyncts_filter_deps="avresample"
2266 atempo_filter_deps="avcodec"
2267 atempo_filter_select="rdft"
2268 azmq_filter_deps="libzmq"
2269 blackframe_filter_deps="gpl"
2270 boxblur_filter_deps="gpl"
2271 colormatrix_filter_deps="gpl"
2272 cropdetect_filter_deps="gpl"
2273 dctdnoiz_filter_deps="avcodec"
2274 dctdnoiz_filter_select="fft"
2275 delogo_filter_deps="gpl"
2276 deshake_filter_deps="avcodec"
2277 deshake_filter_select="dsputil"
2278 drawtext_filter_deps="libfreetype"
2279 ebur128_filter_deps="gpl"
2280 flite_filter_deps="libflite"
2281 frei0r_filter_deps="frei0r dlopen"
2282 frei0r_filter_extralibs='$ldl'
2283 frei0r_src_filter_deps="frei0r dlopen"
2284 frei0r_src_filter_extralibs='$ldl'
2285 geq_filter_deps="gpl"
2286 histeq_filter_deps="gpl"
2287 hqdn3d_filter_deps="gpl"
2288 interlace_filter_deps="gpl"
2289 kerndeint_filter_deps="gpl"
2290 ladspa_filter_deps="ladspa dlopen"
2291 mcdeint_filter_deps="avcodec gpl"
2292 movie_filter_deps="avcodec avformat"
2293 mp_filter_deps="gpl avcodec swscale inline_asm"
2294 mpdecimate_filter_deps="gpl avcodec"
2295 mptestsrc_filter_deps="gpl"
2296 negate_filter_deps="lut_filter"
2297 perspective_filter_deps="gpl"
2298 resample_filter_deps="avresample"
2299 ocv_filter_deps="libopencv"
2300 owdenoise_filter_deps="gpl"
2301 pan_filter_deps="swresample"
2302 phase_filter_deps="gpl"
2303 pp_filter_deps="gpl postproc"
2304 pullup_filter_deps="gpl"
2305 removelogo_filter_deps="avcodec avformat swscale"
2306 sab_filter_deps="gpl swscale"
2307 scale_filter_deps="swscale"
2308 smartblur_filter_deps="gpl swscale"
2309 showspectrum_filter_deps="avcodec"
2310 showspectrum_filter_select="rdft"
2311 spp_filter_deps="gpl avcodec"
2312 spp_filter_select="fft"
2313 stereo3d_filter_deps="gpl"
2314 subtitles_filter_deps="avformat avcodec libass"
2315 super2xsai_filter_deps="gpl"
2316 tinterlace_filter_deps="gpl"
2317 vidstabdetect_filter_deps="libvidstab"
2318 vidstabtransform_filter_deps="libvidstab"
2319 yadif_filter_deps="gpl"
2320 pixfmts_super2xsai_test_deps="super2xsai_filter"
2321 tinterlace_merge_test_deps="tinterlace_filter"
2322 tinterlace_pad_test_deps="tinterlace_filter"
2323 zmq_filter_deps="libzmq"
2326 decoding_encoding_example_deps="avcodec avutil"
2327 demuxing_decoding_example_deps="avcodec avformat avutil"
2328 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2329 filtering_video_example_deps="avfilter avcodec avformat avutil"
2330 metadata_example_deps="avformat avutil"
2331 muxing_example_deps="avcodec avformat avutil swscale"
2332 resampling_audio_example_deps="avutil swresample"
2333 scaling_video_example_deps="avutil swscale"
2334 transcode_aac_example_deps="avcodec avformat swresample"
2337 avcodec_deps="avutil"
2338 avdevice_deps="avutil avcodec avformat"
2339 avfilter_deps="avutil"
2340 avformat_deps="avutil avcodec"
2341 avresample_deps="avutil"
2342 postproc_deps="avutil gpl"
2343 swscale_deps="avutil"
2346 ffmpeg_deps="avcodec avfilter avformat swresample"
2347 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2349 setpts_filter trim_filter"
2350 ffplay_deps="avcodec avformat swscale swresample sdl"
2351 ffplay_select="rdft crop_filter"
2352 ffprobe_deps="avcodec avformat"
2353 ffserver_deps="avformat fork sarestart"
2354 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2355 ffserver_extralibs='$ldl'
2358 podpages_deps="perl"
2359 manpages_deps="perl pod2man"
2360 htmlpages_deps="perl texi2html"
2361 txtpages_deps="perl makeinfo"
2362 doc_deps_any="manpages htmlpages podpages txtpages"
2364 # default parameters
2366 logfile="config.log"
2368 # installation paths
2369 prefix_default="/usr/local"
2370 bindir_default='${prefix}/bin'
2371 datadir_default='${prefix}/share/ffmpeg'
2372 docdir_default='${prefix}/share/doc/ffmpeg'
2373 incdir_default='${prefix}/include'
2374 libdir_default='${prefix}/lib'
2375 mandir_default='${prefix}/share/man'
2376 shlibdir_default="$libdir_default"
2382 host_cc_default="gcc"
2388 pkg_config_default=pkg-config
2390 strip_default="strip"
2391 yasmexe_default="yasm"
2392 windres_default="windres"
2397 arch_default=$(uname -m)
2401 target_os_default=$(tolower $(uname -s))
2402 host_os=$target_os_default
2404 # configurable options
2405 enable $PROGRAM_LIST
2406 enable $DOCUMENT_LIST
2407 enable $EXAMPLE_LIST
2408 enable $(filter_out avresample $LIBRARY_LIST)
2414 enable optimizations
2415 enable runtime_cpudetect
2416 enable safe_bitstream_reader
2418 enable swscale_alpha
2420 # Enable hwaccels by default.
2421 enable dxva2 vaapi vdpau
2424 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2427 FULLNAME='$(NAME)$(BUILDSUF)'
2428 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2431 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2432 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2433 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2434 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2435 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2436 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2456 host_cflags='-O3 -g'
2457 host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
2459 host_cflags_filter=echo
2460 host_ldflags_filter=echo
2462 target_path='$(CURDIR)'
2464 # since the object filename is not given with the -MM flag, the compiler
2465 # is only able to print the basename, and we must add the path ourselves
2466 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2470 if test -f configure; then
2473 source_path=$(cd $(dirname "$0"); pwd)
2474 echo "$source_path" | grep -q '[[:blank:]]' &&
2475 die "Out of tree builds are impossible with whitespace in source path."
2476 test -e "$source_path/config.h" &&
2477 die "Out of tree builds are impossible with config.h in source dir."
2484 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2490 file=$source_path/$3
2491 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2494 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2495 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2496 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2497 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2498 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2499 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2500 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2501 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2502 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2503 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2504 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2520 for n in $COMPONENT_LIST; do
2521 v=$(toupper ${n%s})_LIST
2523 eval ${n}_if_any="\$$v"
2526 enable $ARCH_EXT_LIST
2529 echo "Unknown option \"$1\"."
2530 echo "See $0 --help for available options."
2535 cat | tr ' ' '\n' | sort | pr -r -3 -t
2541 echo $* | sed s/$suffix//g | print_3_columns
2553 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2554 echo "prob ${prob:-0.5}"
2562 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2563 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2573 add_extralibs $optval
2576 disable $INDEV_LIST $OUTDEV_LIST
2579 debuglevel="$optval"
2582 disable $PROGRAM_LIST
2584 --disable-everything)
2585 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2588 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2589 disable $LIBRARY_LIST $PROGRAM_LIST doc
2591 --enable-random|--disable-random)
2592 action=${opt%%-random}
2593 do_random ${action#--} $COMPONENT_LIST
2595 --enable-random=*|--disable-random=*)
2596 action=${opt%%-random=*}
2597 do_random ${action#--} $optval
2599 --enable-*=*|--disable-*=*)
2600 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2601 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2602 eval list=\$$(toupper $thing)_LIST
2603 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2604 list=$(filter "$name" $list)
2605 [ "$list" = "" ] && warn "Option $opt did not match anything"
2608 --enable-?*|--disable-?*)
2609 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2610 if is_in $option $COMPONENT_LIST; then
2611 test $action = disable && action=unset
2612 eval $action \$$(toupper ${option%s})_LIST
2613 elif is_in $option $CMDLINE_SELECT; then
2620 NAME="${opt#--list-}"
2621 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2623 eval show_list $NAME \$$(toupper $NAME)_LIST
2625 --help|-h) show_help
2627 --fatal-warnings) enable fatal_warnings
2630 optname="${opt%%=*}"
2631 optname="${optname#--}"
2632 optname=$(echo "$optname" | sed 's/-/_/g')
2633 if is_in $optname $CMDLINE_SET; then
2634 eval $optname='$optval'
2635 elif is_in $optname $CMDLINE_APPEND; then
2636 append $optname "$optval"
2644 disabled logging && logfile=/dev/null
2646 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2649 test -n "$cross_prefix" && enable cross_compile
2651 if enabled cross_compile; then
2652 test -n "$arch" && test -n "$target_os" ||
2653 die "Must specify target arch and OS when cross-compiling"
2656 ar_default="${cross_prefix}${ar_default}"
2657 cc_default="${cross_prefix}${cc_default}"
2658 cxx_default="${cross_prefix}${cxx_default}"
2659 nm_default="${cross_prefix}${nm_default}"
2660 pkg_config_default="${cross_prefix}${pkg_config_default}"
2661 ranlib="${cross_prefix}${ranlib}"
2662 strip_default="${cross_prefix}${strip_default}"
2663 windres_default="${cross_prefix}${windres_default}"
2665 sysinclude_default="${sysroot}/usr/include"
2667 test -n "$valgrind" && toolchain="valgrind-memcheck"
2669 case "$toolchain" in
2672 add_cflags -fsanitize=address
2673 add_ldflags -fsanitize=address
2677 add_cflags -fsanitize=thread -pie
2678 add_ldflags -fsanitize=thread -pie
2682 add_cflags -fsanitize=address
2683 add_ldflags -fsanitize=address
2687 add_cflags -fsanitize=thread -pie -fPIC
2688 add_ldflags -fsanitize=thread -pie -fPIC
2691 target_exec_default=${valgrind:-"valgrind"}
2692 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"
2695 target_exec_default=${valgrind:-"valgrind"}
2696 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2699 # Check whether the current MSVC version needs the C99 converter.
2700 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2701 # support enough of C99 to build ffmpeg. Default to the new
2702 # behaviour if the regexp was unable to match anything, since this
2703 # successfully parses the version number of existing supported
2704 # versions that require the converter (MSVC 2010 and 2012).
2705 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2706 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2709 cc_default="c99wrap cl"
2712 nm_default="dumpbin -symbols"
2714 target_os_default="win32"
2715 # Use a relative path for TMPDIR. This makes sure all the
2716 # ffconf temp files are written with a relative path, avoiding
2717 # issues with msys/win32 path conversion for MSVC parameters
2718 # such as -Fo<file> or -out:<file>.
2724 nm_default="dumpbin -symbols"
2726 target_os_default="win32"
2730 add_cflags -fprofile-arcs -ftest-coverage
2731 add_ldflags -fprofile-arcs -ftest-coverage
2734 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2735 add_ldflags -Wl,-z,relro -Wl,-z,now
2738 die "Unknown toolchain $toolchain"
2742 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2743 enabled cross_compile || host_cc_default=$cc
2746 if ! $pkg_config --version >/dev/null 2>&1; then
2747 warn "$pkg_config not found, library detection may fail."
2753 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2757 EXESUF=$(exesuf $target_os)
2758 HOSTEXESUF=$(exesuf $host_os)
2760 # set temporary file name
2761 : ${TMPDIR:=$TEMPDIR}
2765 if [ -n "$tempprefix" ] ; then
2767 echo $tempprefix.${HOSTNAME}.${UID}
2769 elif ! check_cmd mktemp -u XXXXXX; then
2770 # simple replacement for missing mktemp
2771 # NOT SAFE FOR GENERAL USE
2773 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2778 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2779 (set -C; exec > $tmp) 2>/dev/null ||
2780 die "Unable to create temporary file in $TMPDIR."
2781 append TMPFILES $tmp
2785 trap 'rm -f -- $TMPFILES' EXIT
2790 tmpfile TMPE $EXESUF
2801 # make sure we can execute files in $TMPDIR
2802 cat > $TMPSH 2>> $logfile <<EOF
2805 chmod +x $TMPSH >> $logfile 2>&1
2806 if ! $TMPSH >> $logfile 2>&1; then
2808 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2809 variable to another directory and make sure that it is not mounted noexec.
2811 die "Sanity test failed."
2817 -std=c99) echo -c99 ;;
2818 -mcpu=*) echo -arch ${flag#*=} ;;
2819 -mieee) echo -ieee ;;
2820 -O*|-fast) echo $flag ;;
2821 -fno-math-errno) echo -assume nomath_errno ;;
2823 -Wall) echo -msg_enable level2 ;;
2824 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2825 -Wl,*) echo $flag ;;
2835 -Wno-switch) echo -Wno-switch-enum ;;
2836 -Wno-format-zero-length) ;;
2837 -Wdisabled-optimization) ;;
2838 -Wno-pointer-sign) echo -Wno-other ;;
2844 msvc_common_flags(){
2847 # In addition to specifying certain flags under the compiler
2848 # specific filters, they must be specified here as well or else the
2849 # generic catch all at the bottom will print the original flag.
2853 -fomit-frame-pointer) ;;
2857 -fno-signed-zeros) ;;
2861 -lz) echo zlib.lib ;;
2862 -lavifil32) echo vfw32.lib ;;
2863 -lavicap32) echo vfw32.lib user32.lib ;;
2864 -l*) echo ${flag#-l}.lib ;;
2871 msvc_common_flags "$@"
2874 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2875 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2876 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2884 msvc_common_flags "$@"
2887 # Despite what Intel's documentation says -Wall, which is supported
2888 # on Windows, does enable remarks so disable them here.
2889 -Wall) echo $flag -Qdiag-disable:remark ;;
2890 -std=c99) echo -Qstd=c99 ;;
2898 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2899 -fomit-frame-pointer) echo -Mnoframe ;;
2910 case "${flag#*=}" in
2911 native) echo -xtarget=native ;;
2912 v9|niagara) echo -xarch=sparc ;;
2913 ultrasparc) echo -xarch=sparcvis ;;
2914 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2915 i586|pentium) echo -xchip=pentium ;;
2916 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2917 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2918 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2919 pentium4*) echo -xtarget=pentium4 ;;
2920 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2921 *-sse3) echo -xarch=sse3 ;;
2922 core2) echo -xarch=ssse3 -xchip=core2 ;;
2923 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2924 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2925 amdfam10|barcelona) echo -xtarget=barcelona ;;
2926 bdver*) echo -xarch=avx ;;
2927 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2928 k8|opteron|athlon64|athlon-fx)
2929 echo -xarch=sse2a ;;
2930 athlon*) echo -xarch=pentium_proa ;;
2933 -std=c99) echo -xc99 ;;
2934 -fomit-frame-pointer) echo -xregs=frameptr ;;
2935 -fPIC) echo -KPIC -xcode=pic32 ;;
2936 -W*,*) echo $flag ;;
2937 -f*-*|-W*|-mimpure-text) ;;
2948 case "${flag#*=}" in
2949 armv7-a|cortex-a*) echo -mv=7a8 ;;
2950 armv7-r|cortex-r*) echo -mv=7r4 ;;
2951 armv7-m|cortex-m*) echo -mv=7m3 ;;
2952 armv6*|arm11*) echo -mv=6 ;;
2953 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2955 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2958 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2959 -mfpu=vfp) echo --float_support=vfpv2 ;;
2960 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2961 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2962 -msoft-float) echo --float_support=vfplib ;;
2963 -O[0-3]|-mf=*) echo $flag ;;
2965 -pds=*) echo $flag ;;
2966 -D*|-I*) echo $flag ;;
2967 --gcc|--abi=*) echo $flag ;;
2977 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2978 unset _ld_o _ldflags _ld_lib _ld_path
2979 unset _depflags _DEPCMD _DEPFLAGS
2982 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
2983 true # no-op to avoid reading stdin in following checks
2984 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2986 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2987 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2988 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2991 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2993 gcc_version=$($_cc --version | head -n1)
2994 gcc_basever=$($_cc -dumpversion)
2995 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2996 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2997 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2998 if ! $_cc -dumpversion | grep -q '^2\.'; then
2999 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3003 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3005 _ident=$($_cc --version | head -n1)
3010 elif $_cc -v 2>&1 | grep -q xlc; then
3012 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3014 _cflags_size='-O5 -qcompact'
3015 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3017 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3019 _cflags_speed='-fast'
3021 _flags_filter=ccc_flags
3022 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
3023 test -d "$sysroot" || die "No valid sysroot specified."
3025 _ident=$($_cc --vsn | head -n1)
3026 armcc_conf="$PWD/armcc.conf"
3027 $_cc --arm_linux_configure \
3028 --arm_linux_config_file="$armcc_conf" \
3029 --configure_sysroot="$sysroot" \
3030 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3031 die "Error creating armcc configuration file."
3032 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3033 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3034 as_default="${cross_prefix}gcc"
3038 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3040 _ident=$($_cc -version | head -n1 | tr -s ' ')
3041 _flags='--gcc --abi=eabi -me'
3044 _depflags='-ppa -ppd=$(@:.o=.d)'
3045 _cflags_speed='-O3 -mf=5'
3046 _cflags_size='-O3 -mf=2'
3047 _flags_filter=tms470_flags
3048 elif $_cc -v 2>&1 | grep -q clang; then
3050 _ident=$($_cc --version | head -n1)
3054 elif $_cc -V 2>&1 | grep -q Sun; then
3056 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3057 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3058 _DEPFLAGS='-xM1 -xc99'
3061 _cflags_size='-O5 -xspace'
3062 _flags_filter=suncc_flags
3063 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3065 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3066 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3069 _flags_filter='filter_out -Wdisabled-optimization'
3070 elif $_cc -v 2>&1 | grep -q Open64; then
3072 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3073 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3076 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3077 elif $_cc -V 2>&1 | grep -q Portland; then
3079 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3080 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3081 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3082 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3084 _flags_filter=pgi_flags
3085 elif $_cc 2>&1 | grep -q Microsoft; then
3087 _ident=$($cc 2>&1 | head -n1)
3088 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3089 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3092 if $_cc 2>&1 | grep -q Linker; then
3099 _flags_filter=msvc_flags
3101 _ld_path='-libpath:'
3103 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3104 if [ $pfx = hostcc ]; then
3105 append _cflags -Dsnprintf=_snprintf
3108 elif $_cc 2>&1 | grep -q Intel; then
3110 _ident=$($cc 2>&1 | head -n1)
3111 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3112 # Not only is O3 broken on 13.x+ but it is slower on all previous
3113 # versions (tested) as well.
3115 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3116 if $_cc 2>&1 | grep -q Linker; then
3123 _flags_filter=icl_flags
3125 _ld_path='-libpath:'
3126 # -Qdiag-error to make icl error when seeing certain unknown arguments
3127 _flags='-nologo -Qdiag-error:4044,10157'
3128 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3129 # with MSVC which enables it by default.
3130 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3131 if [ $pfx = hostcc ]; then
3132 append _cflags -Dsnprintf=_snprintf
3134 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3136 _ident=$($_cc --version | head -n1)
3140 _flags_filter=cparser_flags
3143 eval ${pfx}_type=\$_type
3144 eval ${pfx}_ident=\$_ident
3148 eval ${1}_C=\${_cc_c-\${${1}_C}}
3149 eval ${1}_E=\${_cc_e-\${${1}_E}}
3150 eval ${1}_O=\${_cc_o-\${${1}_O}}
3152 if [ -n "$_depflags" ]; then
3153 eval ${1}_DEPFLAGS=\$_depflags
3155 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3156 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3157 eval DEP${1}FLAGS=\$_flags
3162 cflags_filter=$_flags_filter
3163 cflags_speed=$_cflags_speed
3164 cflags_size=$_cflags_size
3165 cflags_noopt=$_cflags_noopt
3166 add_cflags $_flags $_cflags
3167 cc_ldflags=$_ldflags
3170 probe_cc hostcc "$host_cc"
3171 host_cflags_filter=$_flags_filter
3172 add_host_cflags $_flags $_cflags
3175 test -n "$cc_type" && enable $cc_type ||
3176 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3178 : ${as_default:=$cc}
3179 : ${dep_cc_default:=$cc}
3180 : ${ld_default:=$cc}
3181 : ${host_ld_default:=$host_cc}
3182 set_default ar as dep_cc ld host_ld windres
3185 asflags_filter=$_flags_filter
3186 add_asflags $_flags $_cflags
3190 ldflags_filter=$_flags_filter
3191 add_ldflags $_flags $_ldflags
3192 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3194 LD_LIB=${_ld_lib-$LD_LIB}
3195 LD_PATH=${_ld_path-$LD_PATH}
3197 probe_cc hostld "$host_ld"
3198 host_ldflags_filter=$_flags_filter
3199 add_host_ldflags $_flags $_ldflags
3200 HOSTLD_O=${_ld_o-$HOSTLD_O}
3202 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3203 probe_cc depcc "$dep_cc"
3204 CCDEP=${_DEPCMD:-$DEPCMD}
3205 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3209 if $ar 2>&1 | grep -q Microsoft; then
3212 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3215 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3216 arflags='-Xany -r -c'
3223 add_cflags $extra_cflags
3224 add_cxxflags $extra_cxxflags
3225 add_asflags $extra_cflags
3227 if test -n "$sysroot"; then
3230 add_cppflags --sysroot="$sysroot"
3231 add_ldflags --sysroot="$sysroot"
3234 add_cppflags -I"$sysinclude"
3235 add_ldflags --sysroot="$sysroot"
3240 if test "$cpu" = host; then
3241 enabled cross_compile &&
3242 die "--cpu=host makes no sense when cross-compiling."
3247 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3249 s/.*$1=\\([^ ]*\\).*/\\1/
3254 cpu=$(check_native -march || check_native -mcpu)
3258 test "${cpu:-host}" = host &&
3259 die "--cpu=host not supported with compiler $cc"
3262 # Deal with common $arch aliases
3276 "Power Macintosh"|ppc*|powerpc*)
3291 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3296 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3299 # Add processor-specific flags
3300 if enabled aarch64; then
3304 cpuflags="-march=$cpu"
3307 cpuflags="-mcpu=$cpu"
3311 elif enabled alpha; then
3313 cpuflags="-mcpu=$cpu"
3315 elif enabled arm; then
3318 check_cpp_condition stddef.h \
3319 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3324 if check_arm_arch 4; then echo armv4;
3325 elif check_arm_arch 4T; then echo armv4t;
3326 elif check_arm_arch 5; then echo armv5;
3327 elif check_arm_arch 5E; then echo armv5e;
3328 elif check_arm_arch 5T; then echo armv5t;
3329 elif check_arm_arch 5TE; then echo armv5te;
3330 elif check_arm_arch 5TEJ; then echo armv5te;
3331 elif check_arm_arch 6; then echo armv6;
3332 elif check_arm_arch 6J; then echo armv6j;
3333 elif check_arm_arch 6K; then echo armv6k;
3334 elif check_arm_arch 6Z; then echo armv6z;
3335 elif check_arm_arch 6ZK; then echo armv6zk;
3336 elif check_arm_arch 6T2; then echo armv6t2;
3337 elif check_arm_arch 7; then echo armv7;
3338 elif check_arm_arch 7A 7_A; then echo armv7-a;
3339 elif check_arm_arch 7R 7_R; then echo armv7-r;
3340 elif check_arm_arch 7M 7_M; then echo armv7-m;
3341 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3342 elif check_arm_arch 8A 8_A; then echo armv8-a;
3346 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3350 cpuflags="-march=$cpu"
3351 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3354 cpuflags="-mcpu=$cpu"
3356 cortex-a*) subarch=armv7a ;;
3357 cortex-r*) subarch=armv7r ;;
3358 cortex-m*) enable thumb; subarch=armv7m ;;
3359 arm11*) subarch=armv6 ;;
3360 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3361 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3362 *) subarch=$(probe_arm_arch) ;;
3368 armv5t*) enable fast_clz ;;
3369 armv[6-8]*) enable fast_clz fast_unaligned ;;
3372 elif enabled avr32; then
3377 cpuflags="-mpart=$cpu"
3381 cpuflags="-march=$cpu"
3385 cpuflags="-mcpu=$cpu"
3389 cpuflags="-march=$cpu"
3393 elif enabled bfin; then
3395 cpuflags="-mcpu=$cpu"
3397 elif enabled mips; then
3399 cpuflags="-march=$cpu"
3415 24kef*|34kf*|1004kf*)
3423 elif enabled ppc; then
3425 case $(tolower $cpu) in
3426 601|ppc601|powerpc601)
3427 cpuflags="-mcpu=601"
3430 603*|ppc603*|powerpc603*)
3431 cpuflags="-mcpu=603"
3434 604*|ppc604*|powerpc604*)
3435 cpuflags="-mcpu=604"
3438 g3|75*|ppc75*|powerpc75*)
3439 cpuflags="-mcpu=750"
3442 g4|745*|ppc745*|powerpc745*)
3443 cpuflags="-mcpu=7450"
3445 74*|ppc74*|powerpc74*)
3446 cpuflags="-mcpu=7400"
3448 g5|970|ppc970|powerpc970)
3449 cpuflags="-mcpu=970"
3452 cpuflags="-mcpu=$cpu"
3455 cpuflags="-mcpu=cell"
3459 cpuflags="-mcpu=e500mc"
3463 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3467 cpuflags="-mcpu=8540 -mhard-float"
3472 elif enabled sparc; then
3475 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3476 cpuflags="-mcpu=$cpu"
3479 ultrasparc*|niagara[234])
3480 cpuflags="-mcpu=$cpu"
3484 elif enabled x86; then
3488 cpuflags="-march=$cpu"
3491 # targets that do NOT support nopl and conditional mov (cmov)
3492 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3493 cpuflags="-march=$cpu"
3496 # targets that do support nopl and conditional mov (cmov)
3497 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*)
3498 cpuflags="-march=$cpu"
3502 # targets that do support conditional mov but on which it's slow
3503 pentium4|pentium4m|prescott|nocona)
3504 cpuflags="-march=$cpu"
3512 if [ "$cpu" != generic ]; then
3513 add_cflags $cpuflags
3514 add_asflags $cpuflags
3517 # compiler sanity check
3519 int main(void){ return 0; }
3521 if test "$?" != 0; then
3522 echo "$cc is unable to create an executable file."
3523 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3524 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3525 echo "Only do this if you know what cross compiling means."
3527 die "C compiler test failed."
3530 add_cppflags -D_ISOC99_SOURCE
3531 add_cxxflags -D__STDC_CONSTANT_MACROS
3532 check_cflags -std=c99
3533 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3536 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3540 check_host_cflags -std=c99
3541 check_host_cflags -Wall
3547 check_code cc "" "int test[2*($expr) - 1]" &&
3548 subarch=$arch64 || subarch=$arch32
3556 check_64bit mips mips64 '_MIPS_SIM > 1'
3560 check_64bit parisc parisc64 'sizeof(void *) > 4'
3564 check_64bit ppc ppc64 'sizeof(void *) > 4'
3568 check_64bit sparc sparc64 'sizeof(void *) > 4'
3572 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3573 if test "$subarch" = "x86_64"; then
3578 check_cc <<EOF && subarch="ppc64"
3579 int test[(int)sizeof(char*) - 7];
3585 enabled spic && enable_weak pic
3591 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3592 enabled shared && add_ldflags -Wl,-brtl
3595 prefix_default="/boot/common"
3596 network_extralibs="-lnetwork"
3600 SHFLAGS='-shared -Wl,-h,$$(@F)'
3601 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3602 network_extralibs="-lsocket -lnsl"
3603 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3604 # When using suncc to build, the Solaris linker will mark
3605 # an executable with each instruction set encountered by
3606 # the Solaris assembler. As our libraries contain their own
3607 # guards for processor-specific code, instead suppress
3608 # generation of the HWCAPS ELF section on Solaris x86 only.
3609 enabled_all suncc x86 &&
3610 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3611 add_ldflags -Wl,-M,mapfile
3612 nm_default='nm -P -g'
3616 oss_indev_extralibs="-lossaudio"
3617 oss_outdev_extralibs="-lossaudio"
3618 enabled gcc || check_ldflags -Wl,-zmuldefs
3623 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3625 oss_indev_extralibs="-lossaudio"
3626 oss_outdev_extralibs="-lossaudio"
3634 add_extralibs -lpoll -lgnugetopt
3638 gas="gas-preprocessor.pl $cc"
3639 enabled ppc && add_asflags -force_cpusubtype_ALL
3640 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3641 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3643 add_ldflags -Wl,-dynamic,-search_paths_first
3645 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3646 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3648 enabled x86_64 && objformat="macho64"
3649 enabled_any pic shared ||
3650 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3653 if test $target_os = "mingw32ce"; then
3659 if enabled x86_64; then
3660 LIBTARGET="i386:x86-64"
3661 elif enabled arm; then
3664 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3665 check_ldflags -Wl,--nxcompat
3666 check_ldflags -Wl,--dynamicbase
3667 shlibdir_default="$bindir_default"
3670 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3671 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3672 dlltool="${cross_prefix}dlltool"
3673 if check_cmd lib.exe -list; then
3674 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3675 if enabled x86_64; then
3678 elif check_cmd $dlltool --version; then
3679 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3681 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3683 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3684 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3685 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3692 if enabled shared; then
3693 # Link to the import library instead of the normal static library
3696 # Cannot build both shared and static libs with MSVC or icl.
3699 shlibdir_default="$bindir_default"
3702 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3703 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3704 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3705 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3707 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3708 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3709 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3716 shlibdir_default="$bindir_default"
3719 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3720 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3721 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3723 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3724 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3727 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3729 *-dos|freedos|opendos)
3730 network_extralibs="-lsocket"
3733 add_cppflags -U__STRICT_ANSI__
3740 ranlib="echo ignoring ranlib"
3746 add_cppflags -D_GNU_SOURCE
3747 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3748 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3752 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3753 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3754 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3755 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3756 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3757 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3758 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3759 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3760 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3761 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3762 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3764 enable_weak os2threads
3767 add_cppflags -D_BSD_SOURCE
3772 add_cppflags -D_QNX_SOURCE
3773 network_extralibs="-lsocket"
3778 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3779 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3780 add_ldflags -Wl,--target1-abs,--no-undefined \
3781 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3782 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3783 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3784 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3785 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3788 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3793 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3794 -D_REENTRANT_SOURCE \
3795 -D_RESEARCH_SOURCE \
3798 add_compat strtod.o strtod=avpriv_strtod
3799 network_extralibs='-lbsd'
3800 exeobjs=compat/plan9/main.o
3807 die "Unknown OS '$target_os'."
3811 # determine libc flavour
3813 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3814 if check_cpp_condition features.h "defined __UCLIBC__"; then
3816 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3817 elif check_cpp_condition features.h "defined __GLIBC__"; then
3819 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3820 # MinGW headers can be installed on Cygwin, so check for newlib first.
3821 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3823 add_cppflags -U__STRICT_ANSI__
3824 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3825 elif check_cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3827 if check_cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
3828 add_compat msvcrt/snprintf.o
3829 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3831 add_cppflags -D__USE_MINGW_ANSI_STDIO=1
3833 add_cppflags -U__STRICT_ANSI__
3834 elif check_cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3836 check_cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3837 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3838 die "ERROR: MinGW32 runtime version must be >= 3.15."
3839 add_cppflags -U__STRICT_ANSI__
3840 elif check_cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3842 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3843 # 0x601 by default unless something else is set by the user.
3844 # This can easily lead to us detecting functions only present
3845 # in such new versions and producing binaries requiring windows 7.0.
3846 # Therefore explicitly set the default to XP unless the user has
3847 # set something else on the command line.
3848 check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
3849 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3851 elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3855 test -n "$libc_type" && enable $libc_type
3859 add_compat strtod.o strtod=avpriv_strtod
3862 add_compat strtod.o strtod=avpriv_strtod
3863 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3864 _snprintf=avpriv_snprintf \
3865 vsnprintf=avpriv_vsnprintf
3869 # hacks for compiler/libc/os combinations
3871 if enabled_all tms470 glibc; then
3872 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3873 add_cppflags -D__USER_LABEL_PREFIX__=
3874 add_cppflags -D__builtin_memset=memset
3875 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3876 add_cflags -pds=48 # incompatible redefinition of macro
3879 if enabled_all ccc glibc; then
3880 add_ldflags -Wl,-z,now # calls to libots crash without this
3884 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3887 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3889 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3891 set_default $PATHS_LIST
3894 # we need to build at least one lib type
3895 if ! enabled_any static shared; then
3897 At least one library type must be built.
3898 Specify --enable-static to build the static libraries or --enable-shared to
3899 build the shared libraries as well. To only build the shared libraries specify
3900 --disable-static in addition to --enable-shared.
3905 # backward compatibility layer for incompatible_libav/fork_abi
3906 enabled incompatible_fork_abi && enable incompatible_libav_abi
3907 enabled incompatible_libav_abi && enable incompatible_fork_abi
3909 die_license_disabled() {
3910 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3913 die_license_disabled_gpl() {
3914 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3917 die_license_disabled gpl frei0r
3918 die_license_disabled gpl libcdio
3919 die_license_disabled gpl libutvideo
3920 die_license_disabled gpl libvidstab
3921 die_license_disabled gpl libx264
3922 die_license_disabled gpl libxavs
3923 die_license_disabled gpl libxvid
3924 die_license_disabled gpl libzvbi
3925 die_license_disabled gpl x11grab
3927 die_license_disabled nonfree libaacplus
3928 die_license_disabled nonfree libfaac
3929 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3930 enabled gpl && die_license_disabled_gpl nonfree openssl
3932 die_license_disabled version3 libopencore_amrnb
3933 die_license_disabled version3 libopencore_amrwb
3934 die_license_disabled version3 libvo_aacenc
3935 die_license_disabled version3 libvo_amrwbenc
3937 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3939 disabled optimizations || check_cflags -fomit-frame-pointer
3942 disabled pic && return
3945 case "$target_os" in
3955 enabled pic && enable_weak_pic
3957 check_cc <<EOF || die "Symbol mangling check failed."
3960 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3961 extern_prefix=${sym%%ff_extern*}
3963 check_cc <<EOF && enable_weak inline_asm
3964 void foo(void) { __asm__ volatile ("" ::); }
3968 for restrict_keyword in restrict __restrict__ __restrict; do
3969 check_cc <<EOF && _restrict=$restrict_keyword && break
3970 void foo(char * $restrict_keyword p);
3974 check_cc <<EOF && enable pragma_deprecated
3975 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3978 check_cc <<EOF && enable attribute_packed
3979 struct { int x; } __attribute__((packed)) x;
3982 check_cc <<EOF && enable attribute_may_alias
3983 union { int x; } __attribute__((may_alias)) x;
3986 check_cc <<EOF || die "endian test failed"
3987 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3989 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3991 check_inline_asm inline_asm_labels '"1:\n"'
3993 if enabled alpha; then
3997 elif enabled arm; then
3999 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4000 float func(float a, float b){ return a+b; }
4003 enabled thumb && check_cflags -mthumb || check_cflags -marm
4006 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4008 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4009 case "${cross_prefix:-$cc}" in
4010 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4011 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4012 __asm__ (".eabi_attribute 28, 1");
4013 int main(void) { return 0; }
4016 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4019 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4020 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4021 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4022 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4023 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4024 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4026 [ $target_os = linux ] ||
4027 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4030 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4031 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
4033 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4035 elif enabled mips; then
4037 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4038 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
4039 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
4040 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4041 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4042 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4043 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4044 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4045 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4047 elif enabled parisc; then
4049 if enabled gcc; then
4050 case $($cc -dumpversion) in
4051 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4055 elif enabled ppc; then
4057 enable local_aligned_8 local_aligned_16
4059 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4060 check_inline_asm ibm_asm '"add 0, 0, 0"'
4061 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4062 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4064 # AltiVec flags: The FSF version of GCC differs from the Apple version
4065 if enabled altivec; then
4066 if ! enabled_any pic ppc64; then
4069 check_cflags -maltivec -mabi=altivec &&
4070 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4071 check_cflags -faltivec
4073 # check if our compiler supports Motorola AltiVec C API
4074 check_cc <<EOF || disable altivec
4077 vector signed int v1 = (vector signed int) { 0 };
4078 vector signed int v2 = (vector signed int) { 1 };
4079 v1 = vec_add(v1, v2);
4084 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4087 elif enabled sparc; then
4089 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
4091 elif enabled x86; then
4093 check_builtin rdtsc intrin.h "__rdtsc()"
4094 check_builtin mm_empty mmintrin.h "_mm_empty()"
4096 enable local_aligned_8 local_aligned_16
4098 # check whether EBP is available on x86
4099 # As 'i' is stored on the stack, this program will crash
4100 # if the base pointer is used to access it because the
4101 # base pointer is cleared in the inline assembly code.
4102 check_exec_crash <<EOF && enable ebp_available
4104 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4108 # check whether EBX is available on x86
4109 check_inline_asm ebx_available '""::"b"(0)' &&
4110 check_inline_asm ebx_available '"":::"%ebx"'
4112 # check whether xmm clobbers are supported
4113 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4115 # check whether binutils is new enough to compile SSSE3/MMXEXT
4116 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4117 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4119 if ! disabled_any asm mmx yasm; then
4120 if check_cmd $yasmexe --version; then
4121 enabled x86_64 && yasm_extra="-m amd64"
4122 yasm_debug="-g dwarf2"
4123 elif check_cmd nasm -v; then
4125 yasm_debug="-g -F dwarf"
4126 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4129 YASMFLAGS="-f $objformat $yasm_extra"
4130 enabled pic && append YASMFLAGS "-DPIC"
4131 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4132 case "$objformat" in
4133 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4136 check_yasm "movbe ecx, [5]" && enable yasm ||
4137 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4138 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4139 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4140 check_yasm "CPU amdnop" && enable cpunop
4144 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4151 if enabled asm; then
4153 check_as <<EOF && enable gnu_as || \
4154 $nogas "GNU assembler not found, install gas-preprocessor"
4162 check_ldflags -Wl,--as-needed
4164 if check_func dlopen; then
4166 elif check_func dlopen -ldl; then
4170 if ! disabled network; then
4171 check_type "sys/types.h sys/socket.h" socklen_t
4172 check_type netdb.h "struct addrinfo"
4173 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4174 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4175 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4176 check_type netinet/in.h "struct sockaddr_in6"
4177 check_type poll.h "struct pollfd"
4178 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4179 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4180 check_type netinet/sctp.h "struct sctp_event_subscribe"
4181 check_func getaddrinfo $network_extralibs
4182 check_func getservbyport $network_extralibs
4183 # Prefer arpa/inet.h over winsock2
4184 if check_header arpa/inet.h ; then
4185 check_func closesocket
4186 elif check_header winsock2.h ; then
4187 check_func_headers winsock2.h closesocket -lws2 &&
4188 network_extralibs="-lws2" ||
4189 { check_func_headers winsock2.h closesocket -lws2_32 &&
4190 network_extralibs="-lws2_32"; }
4191 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4192 check_type ws2tcpip.h socklen_t
4193 check_type ws2tcpip.h "struct addrinfo"
4194 check_type ws2tcpip.h "struct group_source_req"
4195 check_type ws2tcpip.h "struct ip_mreq_source"
4196 check_type ws2tcpip.h "struct ipv6_mreq"
4197 check_type winsock2.h "struct pollfd"
4198 check_type ws2tcpip.h "struct sockaddr_in6"
4199 check_type ws2tcpip.h "struct sockaddr_storage"
4200 check_struct winsock2.h "struct sockaddr" sa_len
4206 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4207 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4210 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4213 check_func_headers stdlib.h getenv
4214 check_func gethrtime
4216 check_func getrusage
4217 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4218 check_func gettimeofday
4219 check_func inet_aton $network_extralibs
4221 check_func localtime_r
4222 check_func ${malloc_prefix}memalign && enable memalign
4226 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4227 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4228 check_func setrlimit
4229 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4230 check_func strerror_r
4231 check_func sched_getaffinity
4232 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4233 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4234 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4235 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4236 check_builtin sarestart signal.h "SA_RESTART"
4240 check_func_headers conio.h kbhit
4241 check_func_headers windows.h PeekNamedPipe
4242 check_func_headers io.h setmode
4243 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4244 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4245 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4246 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4247 check_func_headers windows.h GetProcessAffinityMask
4248 check_func_headers windows.h GetProcessTimes
4249 check_func_headers windows.h GetSystemTimeAsFileTime
4250 check_func_headers windows.h MapViewOfFile
4251 check_func_headers windows.h SetConsoleTextAttribute
4252 check_func_headers windows.h Sleep
4253 check_func_headers windows.h VirtualAlloc
4254 check_func_headers glob.h glob
4255 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4257 check_header cl/cl.h
4258 check_header direct.h
4259 check_header dlfcn.h
4261 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4263 check_header libcrystalhd/libcrystalhd_if.h
4264 check_header malloc.h
4266 check_header sys/mman.h
4267 check_header sys/param.h
4268 check_header sys/resource.h
4269 check_header sys/select.h
4270 check_header sys/time.h
4271 check_header sys/un.h
4272 check_header termios.h
4273 check_header unistd.h
4274 check_header vdpau/vdpau.h
4275 check_header vdpau/vdpau_x11.h
4276 check_header VideoDecodeAcceleration/VDADecoder.h
4277 check_header windows.h
4278 check_header X11/extensions/XvMClib.h
4279 check_header asm/types.h
4281 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4282 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4284 if ! disabled w32threads && ! enabled pthreads; then
4285 check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
4288 # check for some common methods of building with pthread support
4289 # do this before the optional library checks as some of them require pthreads
4290 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4292 if check_func pthread_join && check_func pthread_create; then
4294 elif check_func pthread_join -pthread && check_func pthread_create -pthread; then
4296 add_extralibs -pthread
4297 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4298 add_cflags -pthreads
4299 add_extralibs -pthreads
4300 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4301 add_extralibs -lpthreadGC2
4302 elif ! check_lib pthread.h pthread_join -lpthread && ! check_lib pthread.h pthread_create -lpthread; then
4307 for thread in $THREADS_LIST; do
4308 if enabled $thread; then
4309 test -n "$thread_type" &&
4310 die "ERROR: Only one thread type must be selected." ||
4311 thread_type="$thread"
4315 if enabled pthreads; then
4316 check_func pthread_cancel
4319 enabled sync_val_compare_and_swap && enable atomics_gcc
4320 enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc
4321 enabled MemoryBarrier && enable atomics_win32
4323 check_lib math.h sin -lm && LIBM="-lm"
4324 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4330 for func in $MATH_FUNCS; do
4331 eval check_mathfunc $func \${${func}_args:-1}
4334 # these are off by default, so fail if requested and not available
4335 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4336 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4337 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4338 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4339 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4340 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4341 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4342 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4343 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4344 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4345 enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
4346 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4347 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4348 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4349 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4350 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4351 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4352 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"
4353 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4354 enabled libfreetype && require_libfreetype
4355 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4356 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4357 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4358 done || die "ERROR: libgsm not found"; }
4359 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4360 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4361 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4362 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4363 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4364 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4365 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4366 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4367 check_lib openjpeg.h opj_version -lopenjpeg ||
4368 die "ERROR: libopenjpeg not found"; }
4369 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4370 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4371 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4372 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4373 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4374 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4375 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4376 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4377 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4378 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4379 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4380 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4381 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4382 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4383 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4384 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4385 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4386 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4387 enabled libvidstab && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit
4388 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4389 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4390 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4392 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4393 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4394 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 ||
4395 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4396 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4397 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
4398 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4399 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4400 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4401 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4402 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4403 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4404 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4405 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4406 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4407 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4408 die "ERROR: openal not found"; } &&
4409 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4410 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4411 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4412 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4413 die "ERROR: opencl not found"; } &&
4414 { ! enabled_any w32threads os2threads ||
4415 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4416 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4417 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4418 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4419 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4420 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4421 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4422 die "ERROR: openssl not found"; }
4424 if enabled gnutls; then
4425 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4426 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4430 if enabled libdc1394; then
4431 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4432 enable libdc1394_2; } ||
4433 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4434 enable libdc1394_1; } ||
4435 die "ERROR: No version of libdc1394 found "
4438 SDL_CONFIG="${cross_prefix}sdl-config"
4439 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4440 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4441 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4444 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4445 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4446 sdl_libs=$("${SDL_CONFIG}" --libs)
4447 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4448 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4449 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4453 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4455 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4456 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4457 perl -v > /dev/null 2>&1 && enable perl || disable perl
4458 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4459 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4461 check_header linux/fb.h
4462 check_header linux/videodev.h
4463 check_header linux/videodev2.h
4464 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4466 check_header sys/videoio.h
4468 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4469 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4470 # w32api 3.12 had it defined wrong
4471 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4473 check_type "dshow.h" IBaseFilter
4475 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4476 { check_header dev/bktr/ioctl_meteor.h &&
4477 check_header dev/bktr/ioctl_bt848.h; } ||
4478 { check_header machine/ioctl_meteor.h &&
4479 check_header machine/ioctl_bt848.h; } ||
4480 { check_header dev/video/meteor/ioctl_meteor.h &&
4481 check_header dev/video/bktr/ioctl_bt848.h; } ||
4482 check_header dev/ic/bt8xx.h
4484 check_header sndio.h
4485 if check_struct sys/soundcard.h audio_buf_info bytes; then
4486 enable_safe sys/soundcard.h
4488 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4489 #include <sys/soundcard.h>
4493 check_header soundcard.h
4495 enabled_any alsa_indev alsa_outdev &&
4496 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4498 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4499 check_func jack_port_get_latency_range -ljack
4501 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4503 if enabled libcdio; then
4504 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4505 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4506 die "ERROR: libcdio-paranoia not found"
4509 check_lib X11/Xlib.h XOpenDisplay -lX11 && enable xlib
4512 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4513 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
4514 { enabled xlib || die "ERROR: Xlib not found"; }
4517 check_lib va/va.h vaInitialize -lva ||
4521 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4524 enabled vdpau && enabled xlib &&
4525 check_lib2 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4528 # Funny iconv installations are not unusual, so check it after all flags have been set
4529 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4531 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4533 # add some useful compiler flags if supported
4534 check_cflags -Wdeclaration-after-statement
4536 check_cflags -Wdisabled-optimization
4537 check_cflags -Wpointer-arith
4538 check_cflags -Wredundant-decls
4539 check_cflags -Wwrite-strings
4540 check_cflags -Wtype-limits
4541 check_cflags -Wundef
4542 check_cflags -Wmissing-prototypes
4543 check_cflags -Wno-pointer-to-int-cast
4544 check_cflags -Wstrict-prototypes
4545 enabled extra_warnings && check_cflags -Winline
4547 check_disable_warning(){
4548 warning_flag=-W${1#-Wno-}
4549 test_cflags $warning_flag && add_cflags $1
4552 check_disable_warning -Wno-parentheses
4553 check_disable_warning -Wno-switch
4554 check_disable_warning -Wno-format-zero-length
4555 check_disable_warning -Wno-pointer-sign
4557 # add some linker flags
4558 check_ldflags -Wl,--warn-common
4559 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4560 enabled rpath && add_ldflags -Wl,-rpath=$libdir
4561 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4563 # add some strip flags
4564 # -wN '..@*' is more selective than -x, but not available everywhere.
4565 check_stripflags -wN \'..@*\' || check_stripflags -x
4567 enabled xmm_clobber_test &&
4568 check_ldflags -Wl,--wrap,avcodec_open2 \
4569 -Wl,--wrap,avcodec_decode_audio4 \
4570 -Wl,--wrap,avcodec_decode_video2 \
4571 -Wl,--wrap,avcodec_decode_subtitle2 \
4572 -Wl,--wrap,avcodec_encode_audio2 \
4573 -Wl,--wrap,avcodec_encode_video \
4574 -Wl,--wrap,avcodec_encode_video2 \
4575 -Wl,--wrap,avcodec_encode_subtitle \
4576 -Wl,--wrap,sws_scale ||
4577 disable xmm_clobber_test
4580 if test_ldflags -Wl,--version-script,$TMPV; then
4581 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4582 check_cc <<EOF && enable symver_asm_label
4583 void ff_foo(void) __asm__ ("av_foo@VERSION");
4584 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4586 check_cc <<EOF && enable symver_gnu_asm
4587 __asm__(".symver ff_foo,av_foo@VERSION");
4588 void ff_foo(void) {}
4592 if [ -z "$optflags" ]; then
4593 if enabled small; then
4594 optflags=$cflags_size
4595 elif enabled optimizations; then
4596 optflags=$cflags_speed
4598 optflags=$cflags_noopt
4604 enabled lto && check_ldflags "$@"
4608 if enabled lto; then
4609 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4611 check_ldflags -flto $cpuflags
4614 check_optflags $optflags
4615 check_optflags -fno-math-errno
4616 check_optflags -fno-signed-zeros
4618 enabled ftrapv && check_cflags -ftrapv
4620 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4625 if enabled icc; then
4626 # Just warnings, no remarks
4628 # -wd: Disable following warnings
4629 # 144, 167, 556: -Wno-pointer-sign
4630 # 188: enumerated type mixed with another type
4631 # 1292: attribute "foo" ignored
4632 # 1419: external declaration in primary source file
4633 # 10006: ignoring unknown option -fno-signed-zeros
4634 # 10148: ignoring unknown option -Wno-parentheses
4635 # 10156: ignoring option '-W'; no argument required
4636 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4637 # 11030: Warning unknown option --as-needed
4638 # 10156: ignoring option '-export'; no argument required
4639 check_ldflags -wd10156,11030
4640 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4641 enable ebp_available
4642 if enabled x86_32; then
4643 icc_version=$($cc -dumpversion)
4644 test ${icc_version%%.*} -ge 11 &&
4645 check_cflags -falign-stack=maintain-16-byte ||
4646 disable aligned_stack
4648 elif enabled ccc; then
4649 # disable some annoying warnings
4650 add_cflags -msg_disable bitnotint
4651 add_cflags -msg_disable mixfuncvoid
4652 add_cflags -msg_disable nonstandcast
4653 add_cflags -msg_disable unsupieee
4654 elif enabled gcc; then
4655 check_optflags -fno-tree-vectorize
4656 check_cflags -Werror=implicit-function-declaration
4657 check_cflags -Werror=missing-prototypes
4658 check_cflags -Werror=return-type
4659 check_cflags -Werror=vla
4660 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4661 elif enabled llvm_gcc; then
4662 check_cflags -mllvm -stack-alignment=16
4663 elif enabled clang; then
4664 check_cflags -mllvm -stack-alignment=16
4665 check_cflags -Qunused-arguments
4666 check_cflags -Werror=implicit-function-declaration
4667 check_cflags -Werror=missing-prototypes
4668 check_cflags -Werror=return-type
4669 elif enabled cparser; then
4670 add_cflags -Wno-missing-variable-declarations
4671 add_cflags -Wno-empty-statement
4672 elif enabled armcc; then
4673 # 2523: use of inline assembler is deprecated
4674 add_cflags -W${armcc_opt},--diag_suppress=2523
4675 add_cflags -W${armcc_opt},--diag_suppress=1207
4676 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4677 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4678 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4679 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4680 elif enabled tms470; then
4681 add_cflags -pds=824 -pds=837
4682 elif enabled pathscale; then
4683 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4684 elif enabled_any msvc icl; then
4685 enabled x86_32 && disable aligned_stack
4686 enabled_all x86_32 debug && add_cflags -Oy-
4687 enabled debug && add_ldflags -debug
4688 enable pragma_deprecated
4689 if enabled icl; then
4690 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4691 # (correctly) on icl 13.x.
4692 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4693 add_cflags -Qansi-alias
4694 # icl will pass the inline asm tests but inline asm is currently
4695 # not supported (build will fail)
4696 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
4703 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4706 add_cppflags -Dmain=plan9_main
4710 enable frame_thread_encoder
4711 enabled_any $THREADS_LIST && enable threads
4712 enabled_any $ATOMICS_LIST && enable atomics_native
4714 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"
4716 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4718 check_deps $CONFIG_LIST \
4724 if test $target_os = "haiku"; then
4726 disable posix_memalign
4729 ! enabled_any memalign posix_memalign aligned_malloc &&
4730 enabled_any $need_memalign && enable memalign_hack
4733 # -> enable ${lib}_deps_${dep}
4734 # -> add $dep to ${lib}_deps only once
4738 enabled "${lib}_deps_${dep}" && return 0
4739 enable "${lib}_deps_${dep}"
4740 prepend "${lib}_deps" $dep
4743 # merge deps lib components
4744 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4749 enabled $comp || continue
4750 eval "dep=\"\$${comp}_deps\""
4757 merge_deps libavfilter $FILTER_LIST
4759 echo "install prefix $prefix"
4760 echo "source path $source_path"
4761 echo "C compiler $cc"
4762 if test "$host_cc" != "$cc"; then
4763 echo "host C compiler $host_cc"
4765 echo "C library $libc_type"
4766 echo "ARCH $arch ($cpu)"
4767 if test "$build_suffix" != ""; then
4768 echo "build suffix $build_suffix"
4770 if test "$progs_suffix" != ""; then
4771 echo "progs suffix $progs_suffix"
4773 if test "$extra_version" != ""; then
4774 echo "version string suffix $extra_version"
4776 echo "big-endian ${bigendian-no}"
4777 echo "runtime cpu detection ${runtime_cpudetect-no}"
4778 if enabled x86; then
4779 echo "${yasmexe} ${yasm-no}"
4780 echo "MMX enabled ${mmx-no}"
4781 echo "MMXEXT enabled ${mmxext-no}"
4782 echo "3DNow! enabled ${amd3dnow-no}"
4783 echo "3DNow! extended enabled ${amd3dnowext-no}"
4784 echo "SSE enabled ${sse-no}"
4785 echo "SSSE3 enabled ${ssse3-no}"
4786 echo "AVX enabled ${avx-no}"
4787 echo "FMA4 enabled ${fma4-no}"
4788 echo "i686 features enabled ${i686-no}"
4789 echo "CMOV is fast ${fast_cmov-no}"
4790 echo "EBX available ${ebx_available-no}"
4791 echo "EBP available ${ebp_available-no}"
4793 if enabled arm; then
4794 echo "ARMv5TE enabled ${armv5te-no}"
4795 echo "ARMv6 enabled ${armv6-no}"
4796 echo "ARMv6T2 enabled ${armv6t2-no}"
4797 echo "VFP enabled ${vfp-no}"
4798 echo "NEON enabled ${neon-no}"
4799 echo "THUMB enabled ${thumb-no}"
4801 if enabled mips; then
4802 echo "MIPS FPU enabled ${mipsfpu-no}"
4803 echo "MIPS32R2 enabled ${mips32r2-no}"
4804 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
4805 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
4807 if enabled ppc; then
4808 echo "AltiVec enabled ${altivec-no}"
4809 echo "PPC 4xx optimizations ${ppc4xx-no}"
4810 echo "dcbzl available ${dcbzl-no}"
4812 if enabled sparc; then
4813 echo "VIS enabled ${vis-no}"
4815 echo "debug symbols ${debug-no}"
4816 echo "strip symbols ${stripping-no}"
4817 echo "optimize for size ${small-no}"
4818 echo "optimizations ${optimizations-no}"
4819 echo "static ${static-no}"
4820 echo "shared ${shared-no}"
4821 echo "postprocessing support ${postproc-no}"
4822 echo "new filter support ${avfilter-no}"
4823 echo "network support ${network-no}"
4824 echo "threading support ${thread_type-no}"
4825 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4826 echo "SDL support ${sdl-no}"
4827 echo "opencl enabled ${opencl-no}"
4828 echo "libzvbi enabled ${libzvbi-no}"
4829 echo "texi2html enabled ${texi2html-no}"
4830 echo "perl enabled ${perl-no}"
4831 echo "pod2man enabled ${pod2man-no}"
4832 echo "makeinfo enabled ${makeinfo-no}"
4833 test -n "$random_seed" &&
4834 echo "random seed ${random_seed}"
4837 echo "External libraries:"
4838 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4841 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4842 echo "Enabled ${type}s:"
4843 eval list=\$$(toupper $type)_LIST
4844 print_enabled '_*' $list | print_3_columns
4848 license="LGPL version 2.1 or later"
4849 if enabled nonfree; then
4850 license="nonfree and unredistributable"
4851 elif enabled gplv3; then
4852 license="GPL version 3 or later"
4853 elif enabled lgplv3; then
4854 license="LGPL version 3 or later"
4855 elif enabled gpl; then
4856 license="GPL version 2 or later"
4859 echo "License: $license"
4861 echo "Creating config.mak, config.h, and doc/config.texi..."
4863 test -e Makefile || echo "include $source_path/Makefile" > Makefile
4865 enabled stripping || strip="echo skipping strip"
4867 config_files="$TMPH config.mak doc/config.texi"
4869 cat > config.mak <<EOF
4870 # Automatically generated by configure - do not modify!
4871 ifndef FFMPEG_CONFIG_MAK
4873 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4875 LIBDIR=\$(DESTDIR)$libdir
4876 SHLIBDIR=\$(DESTDIR)$shlibdir
4877 INCDIR=\$(DESTDIR)$incdir
4878 BINDIR=\$(DESTDIR)$bindir
4879 DATADIR=\$(DESTDIR)$datadir
4880 DOCDIR=\$(DESTDIR)$docdir
4881 MANDIR=\$(DESTDIR)$mandir
4882 SRC_PATH=$source_path
4883 ifndef MAIN_MAKEFILE
4884 SRC_PATH:=\$(SRC_PATH:.%=..%)
4893 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4895 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4923 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4924 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
4925 YASMFLAGS=$YASMFLAGS
4926 BUILDSUF=$build_suffix
4927 PROGSSUF=$progs_suffix
4935 EXTRA_VERSION=$extra_version
4938 CCDEP_FLAGS=$CCDEP_FLAGS
4940 ASDEP_FLAGS=$ASDEP_FLAGS
4941 CC_DEPFLAGS=$CC_DEPFLAGS
4942 AS_DEPFLAGS=$AS_DEPFLAGS
4945 HOSTCFLAGS=$host_cflags
4946 HOSTCPPFLAGS=$host_cppflags
4947 HOSTEXESUF=$HOSTEXESUF
4948 HOSTLDFLAGS=$host_ldflags
4951 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4952 HOSTCCDEP=$HOSTCCDEP
4953 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4954 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4958 TARGET_EXEC=$target_exec $target_exec_args
4959 TARGET_PATH=$target_path
4960 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
4961 LIBS-ffplay=$sdl_libs
4962 CFLAGS-ffplay=$sdl_cflags
4963 ZLIB=$($ldflags_filter -lz)
4964 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4965 EXTRALIBS=$extralibs
4966 COMPAT_OBJS=$compat_objs
4969 LIBTARGET=${LIBTARGET}
4970 SLIBNAME=${SLIBNAME}
4971 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4972 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4973 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4974 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4975 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4976 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4977 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4978 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4979 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4980 NOREDZONE_FLAGS=$noredzone_flags
4985 name=$(toupper $lcname)
4986 file=$source_path/$lcname/version.h
4987 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
4988 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4989 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4990 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4991 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
4994 map 'get_version $v' $LIBRARY_LIST
4997 /* Automatically generated by configure - do not modify! */
4998 #ifndef FFMPEG_CONFIG_H
4999 #define FFMPEG_CONFIG_H
5000 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5001 #define FFMPEG_LICENSE "$(c_escape $license)"
5002 #define CONFIG_THIS_YEAR 2013
5003 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5004 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5005 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5006 #define av_restrict $_restrict
5007 #define EXTERN_PREFIX "${extern_prefix}"
5008 #define EXTERN_ASM ${extern_prefix}
5009 #define BUILDSUF "$build_suffix"
5010 #define SLIBSUF "$SLIBSUF"
5011 #define HAVE_MMX2 HAVE_MMXEXT
5014 test -n "$assert_level" &&
5015 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5017 test -n "$malloc_prefix" &&
5018 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5020 if enabled yasm; then
5021 append config_files $TMPASM
5025 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5029 echo "@c auto-generated by configure" > doc/config.texi
5031 print_config ARCH_ "$config_files" $ARCH_LIST
5032 print_config HAVE_ "$config_files" $HAVE_LIST
5033 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5037 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5038 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5040 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5041 cp_if_changed $TMPH config.h
5044 enabled yasm && cp_if_changed $TMPASM config.asm
5047 /* Generated by ffconf */
5048 #ifndef AVUTIL_AVCONFIG_H
5049 #define AVUTIL_AVCONFIG_H
5052 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5054 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5056 cp_if_changed $TMPH libavutil/avconfig.h
5058 if test -n "$WARNINGS"; then
5059 printf "\n$WARNINGS"
5060 enabled fatal_warnings && exit 1
5063 # build pkg-config files
5065 pkgconfig_generate(){
5067 shortname=${name#lib}${build_suffix}
5072 enabled ${name#lib} || return 0
5074 cat <<EOF > $name/$name${build_suffix}.pc
5076 exec_prefix=\${prefix}
5081 Description: $comment
5083 Requires: $(enabled shared || echo $requires)
5084 Requires.private: $(enabled shared && echo $requires)
5086 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5087 Libs.private: $(enabled shared && echo $libs)
5088 Cflags: -I\${includedir}
5091 mkdir -p doc/examples/pc-uninstalled
5092 includedir=${source_path}
5093 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5094 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5097 libdir=\${pcfiledir}/../../../$name
5098 includedir=${includedir}
5101 Description: $comment
5105 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5106 Cflags: -I\${includedir}
5110 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5111 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
5112 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
5113 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
5114 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
5115 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
5116 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
5117 lavfi_libs=${lavfi_libs%, }
5119 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
5120 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
5122 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5123 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5124 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
5125 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
5126 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
5127 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5128 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5129 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5130 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5132 fix_ffmpeg_remote(){
5135 fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
5136 if [ "$fixme_remote" != "" ]; then
5138 Outdated domain in git config, the official domain for ffmpeg git is since
5139 November 2011, source.ffmpeg.org, both the old and the new point to the same
5140 repository and server. To update it enter the following commands:
5142 for remote in $fixme_remote; do
5143 echolog "git remote set-url $remote $git_remote_to"
5148 if test -f "$source_path/.git/config"; then
5149 remote_from=git.videolan.org
5150 remote_to=source.ffmpeg.org
5151 fix_ffmpeg_remote git@$remote_from:ffmpeg git@$remote_to:ffmpeg
5152 fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg