3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
98 Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
105 --disable-all disable building components, libraries and programs
106 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
107 --enable-incompatible-fork-abi enable incompatible Libav fork ABI (deprecated) [no]
110 --disable-programs do not build command line programs
111 --disable-ffmpeg disable ffmpeg build
112 --disable-ffplay disable ffplay build
113 --disable-ffprobe disable ffprobe build
114 --disable-ffserver disable ffserver build
116 Documentation options:
117 --disable-doc do not build documentation
118 --disable-htmlpages do not build HTML documentation pages
119 --disable-manpages do not build man documentation pages
120 --disable-podpages do not build POD documentation pages
121 --disable-txtpages do not build text documentation pages
124 --disable-avdevice disable libavdevice build
125 --disable-avcodec disable libavcodec build
126 --disable-avformat disable libavformat build
127 --disable-avutil disable libavutil build
128 --disable-swresample disable libswresample build
129 --disable-swscale disable libswscale build
130 --disable-postproc disable libpostproc build
131 --disable-avfilter disable libavfilter build
132 --enable-avresample enable libavresample build [no]
133 --disable-pthreads disable pthreads [auto]
134 --disable-w32threads disable Win32 threads [auto]
135 --disable-os2threads disable OS/2 threads [auto]
136 --disable-network disable network support [no]
137 --disable-dct disable DCT code
138 --disable-dwt disable DWT code
139 --disable-error-resilience disable error resilience code
140 --disable-lsp disable LSP code
141 --disable-lzo disable LZO decoder code
142 --disable-mdct disable MDCT code
143 --disable-rdft disable RDFT code
144 --disable-fft disable FFT code
146 Hardware accelerators:
147 --disable-dxva2 disable DXVA2 code [autodetect]
148 --disable-vaapi disable VAAPI code [autodetect]
149 --enable-vda enable VDA code
150 --disable-vdpau disable VDPAU code [autodetect]
152 Individual component options:
153 --disable-everything disable all components listed below
154 --disable-encoder=NAME disable encoder NAME
155 --enable-encoder=NAME enable encoder NAME
156 --disable-encoders disable all encoders
157 --disable-decoder=NAME disable decoder NAME
158 --enable-decoder=NAME enable decoder NAME
159 --disable-decoders disable all decoders
160 --disable-hwaccel=NAME disable hwaccel NAME
161 --enable-hwaccel=NAME enable hwaccel NAME
162 --disable-hwaccels disable all hwaccels
163 --disable-muxer=NAME disable muxer NAME
164 --enable-muxer=NAME enable muxer NAME
165 --disable-muxers disable all muxers
166 --disable-demuxer=NAME disable demuxer NAME
167 --enable-demuxer=NAME enable demuxer NAME
168 --disable-demuxers disable all demuxers
169 --enable-parser=NAME enable parser NAME
170 --disable-parser=NAME disable parser NAME
171 --disable-parsers disable all parsers
172 --enable-bsf=NAME enable bitstream filter NAME
173 --disable-bsf=NAME disable bitstream filter NAME
174 --disable-bsfs disable all bitstream filters
175 --enable-protocol=NAME enable protocol NAME
176 --disable-protocol=NAME disable protocol NAME
177 --disable-protocols disable all protocols
178 --enable-indev=NAME enable input device NAME
179 --disable-indev=NAME disable input device NAME
180 --disable-indevs disable input devices
181 --enable-outdev=NAME enable output device NAME
182 --disable-outdev=NAME disable output device NAME
183 --disable-outdevs disable output devices
184 --disable-devices disable all devices
185 --enable-filter=NAME enable filter NAME
186 --disable-filter=NAME disable filter NAME
187 --disable-filters disable all filters
189 External library support:
190 --enable-avisynth enable reading of AviSynth script files [no]
191 --disable-bzlib disable bzlib [autodetect]
192 --enable-fontconfig enable fontconfig
193 --enable-frei0r enable frei0r video filtering
194 --enable-gnutls enable gnutls [no]
195 --disable-iconv disable iconv [autodetect]
196 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
197 --enable-libass enable libass subtitles rendering [no]
198 --enable-libbluray enable BluRay reading using libbluray [no]
199 --enable-libcaca enable textual display using libcaca
200 --enable-libcelt enable CELT decoding via libcelt [no]
201 --enable-libcdio enable audio CD grabbing with libcdio
202 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
204 --enable-libfaac enable AAC encoding via libfaac [no]
205 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
206 --enable-libflite enable flite (voice synthesis) support via libflite [no]
207 --enable-libfreetype enable libfreetype [no]
208 --enable-libgme enable Game Music Emu via libgme [no]
209 --enable-libgsm enable GSM de/encoding via libgsm [no]
210 --enable-libiec61883 enable iec61883 via libiec61883 [no]
211 --enable-libilbc enable iLBC de/encoding via libilbc [no]
212 --enable-libmodplug enable ModPlug via libmodplug [no]
213 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
214 --enable-libnut enable NUT (de)muxing via libnut,
215 native (de)muxer exists [no]
216 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
217 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
218 --enable-libopencv enable video filtering via libopencv [no]
219 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
220 --enable-libopus enable Opus decoding via libopus [no]
221 --enable-libpulse enable Pulseaudio input via libpulse [no]
222 --enable-libquvi enable quvi input via libquvi [no]
223 --enable-librtmp enable RTMP[E] support via librtmp [no]
224 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
225 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
226 --enable-libsoxr enable Include libsoxr resampling [no]
227 --enable-libspeex enable Speex de/encoding via libspeex [no]
228 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
229 --enable-libtheora enable Theora encoding via libtheora [no]
230 --enable-libtwolame enable MP2 encoding via libtwolame [no]
231 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
232 --enable-libv4l2 enable libv4l2/v4l-utils [no]
233 --enable-libvidstab enable video stabilization using vid.stab [no]
234 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
235 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
236 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
237 native implementation exists [no]
238 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
239 --enable-libwavpack enable wavpack encoding via libwavpack [no]
240 --enable-libx264 enable H.264 encoding via x264 [no]
241 --enable-libxavs enable AVS encoding via xavs [no]
242 --enable-libxvid enable Xvid encoding via xvidcore,
243 native MPEG-4/Xvid encoder exists [no]
244 --enable-libzmq enable message passing via libzmq [no]
245 --enable-libzvbi enable teletext support via libzvbi [no]
246 --enable-openal enable OpenAL 1.1 capture support [no]
247 --enable-opencl enable OpenCL code
248 --enable-openssl enable openssl [no]
249 --enable-x11grab enable X11 grabbing [no]
250 --disable-zlib disable zlib [autodetect]
252 Advanced options (experts only):
253 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
254 --enable-cross-compile assume a cross-compiler is used
255 --sysroot=PATH root of cross-build tree
256 --sysinclude=PATH location of cross-build system headers
257 --target-os=OS compiler targets OS [$target_os]
258 --target-exec=CMD command to run executables on target
259 --target-path=DIR path to view of build directory on target
260 --target-samples=DIR path to samples directory on target
261 --toolchain=NAME set tool defaults according to NAME
262 --nm=NM use nm tool NM [$nm_default]
263 --ar=AR use archive tool AR [$ar_default]
264 --as=AS use assembler AS [$as_default]
265 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
266 --cc=CC use C compiler CC [$cc_default]
267 --cxx=CXX use C compiler CXX [$cxx_default]
268 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
269 --ld=LD use linker LD [$ld_default]
270 --host-cc=HOSTCC use host C compiler HOSTCC
271 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
272 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
273 --host-ld=HOSTLD use host linker HOSTLD
274 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
275 --host-libs=HLIBS use libs HLIBS when linking for host
276 --host-os=OS compiler host OS [$target_os]
277 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
278 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
279 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
280 --extra-libs=ELIBS add ELIBS [$ELIBS]
281 --extra-version=STRING version string suffix []
282 --optflags=OPTFLAGS override optimization-related compiler flags
283 --build-suffix=SUFFIX library name suffix []
284 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
285 --progs-suffix=SUFFIX program name suffix []
286 --arch=ARCH select architecture [$arch]
287 --cpu=CPU select the minimum required CPU (affects
288 instruction selection, may crash on older CPUs)
289 --enable-pic build position-independent code
290 --enable-sram allow use of on-chip SRAM
291 --enable-thumb compile for Thumb instruction set
292 --disable-symver disable symbol versioning
293 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
294 --disable-safe-bitstream-reader
295 disable buffer boundary checking in bitreaders
296 (faster, but may crash)
297 --enable-memalign-hack emulate memalign, interferes with memory debuggers
298 --enable-lto use link-time optimization
300 Optimization options (experts only):
301 --disable-asm disable all assembler optimizations
302 --disable-altivec disable AltiVec optimizations
303 --disable-amd3dnow disable 3DNow! optimizations
304 --disable-amd3dnowext disable 3DNow! extended optimizations
305 --disable-mmx disable MMX optimizations
306 --disable-mmxext disable MMXEXT optimizations
307 --disable-sse disable SSE optimizations
308 --disable-sse2 disable SSE2 optimizations
309 --disable-sse3 disable SSE3 optimizations
310 --disable-ssse3 disable SSSE3 optimizations
311 --disable-sse4 disable SSE4 optimizations
312 --disable-sse42 disable SSE4.2 optimizations
313 --disable-avx disable AVX optimizations
314 --disable-fma4 disable FMA4 optimizations
315 --disable-armv5te disable armv5te optimizations
316 --disable-armv6 disable armv6 optimizations
317 --disable-armv6t2 disable armv6t2 optimizations
318 --disable-vfp disable VFP optimizations
319 --disable-neon disable NEON optimizations
320 --disable-vis disable VIS optimizations
321 --disable-inline-asm disable use of inline assembler
322 --disable-yasm disable use of yasm assembler
323 --disable-mips32r2 disable MIPS32R2 optimizations
324 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
325 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
326 --disable-mipsfpu disable floating point MIPS optimizations
327 --disable-fast-unaligned consider unaligned accesses slow
329 Developer options (useful when working on FFmpeg itself):
330 --disable-debug disable debugging symbols
331 --enable-debug=LEVEL set the debug level [$debuglevel]
332 --disable-optimizations disable compiler optimizations
333 --enable-extra-warnings enable more compiler warnings
334 --disable-stripping disable stripping of executables and shared libraries
335 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
336 2 causes a slowdown at runtime.
337 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
338 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
339 leaks and errors, using the specified valgrind binary.
340 Cannot be combined with --target-exec
341 --enable-ftrapv Trap arithmetic overflows
342 --samples=PATH location of test samples for FATE, if not set use
343 \$FATE_SAMPLES at make invocation time.
344 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
345 should be used only for debugging purposes)
346 --enable-random randomly enable/disable components
348 --enable-random=LIST randomly enable/disable specific components or
349 --disable-random=LIST component groups. LIST is a comma-separated list
350 of NAME[:PROB] entries where NAME is a component
351 (group) and PROB the probability associated with
353 --random-seed=VALUE seed value for --enable/disable-random
355 NOTE: Object files are built at the place where configure is launched.
363 echo "$@" >> $logfile
368 pr -n -t $1 >> $logfile
379 WARNINGS="${WARNINGS}WARNING: $*\n"
386 If you think configure made a mistake, make sure you are using the latest
387 version from Git. If the latest version fails, report the problem to the
388 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
390 if disabled logging; then
392 Rerun configure with logging enabled (do not use --disable-logging), and
393 include the log this produces with your report.
397 Include the log file "$logfile" produced by configure as this will help
404 # Avoid locale weirdness, besides we really just want to translate ASCII.
406 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
410 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
414 echo "$*" | sed 's/["\\]/\\\0/g'
418 v=$(echo "$1" | sed "s/'/'\\\\''/g")
419 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
424 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
431 eval "case $v in $pat) echo $v ;; esac"
439 eval "case $v in $pat) ;; *) echo $v ;; esac"
446 for v; do eval $m; done
452 for v; do echo ${v}${suffix}; done
467 eval : \${$var:=$value}
472 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
478 eval $(sanitize_var_name "$var")='$*'
482 eval echo \$$(sanitize_var_name "$1")
487 eval level=\${${pvar}_level:=0}
488 eval ${pvar}_${level}="\$$pvar"
489 eval ${pvar}_level=$(($level+1))
495 eval level=\${${pvar}_level:-0}
496 test $level = 0 && continue
497 eval level=$(($level-1))
498 eval $pvar="\${${pvar}_${level}}"
499 eval ${pvar}_level=$level
500 eval unset ${pvar}_${level}
522 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
528 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
534 enabled $var && continue
535 eval sel="\$${var}_select"
536 eval sgs="\$${var}_suggest"
540 enable_deep_weak $sgs
552 disabled $var && continue
561 test "${1#!}" = "$1" && op== || op=!=
562 eval test "x\$${1#!}" $op "xyes"
566 test "${1#!}" = "$1" && op== || op=!=
567 eval test "x\$${1#!}" $op "xno"
572 enabled $opt || return 1
578 disabled $opt || return 1
584 enabled $opt && return 0
590 disabled $opt && return 0
597 eval : \${$opt:=\$${opt}_default}
605 [ $var = $value ] && return 0
613 enabled ${cfg}_checking && die "Circular dependency for $cfg."
614 disabled ${cfg}_checking && continue
615 enable ${cfg}_checking
618 eval dep_all="\$${cfg}_deps"
619 eval dep_any="\$${cfg}_deps_any"
620 eval dep_sel="\$${cfg}_select"
621 eval dep_sgs="\$${cfg}_suggest"
622 eval dep_ifa="\$${cfg}_if"
623 eval dep_ifn="\$${cfg}_if_any"
625 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
626 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
627 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
629 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
630 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
631 enabled_all $dep_all || disable $cfg
632 enabled_any $dep_any || disable $cfg
633 disabled_any $dep_sel && disable $cfg
635 if enabled $cfg; then
637 enable_deep_weak $dep_sgs
640 disable ${cfg}_checking
649 for cfg in $allopts; do
650 enabled $cfg || continue
651 eval dep_extralibs="\$${cfg}_extralibs"
652 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
660 map 'eval echo "$v \${$v:-no}"' "$@" |
661 awk "BEGIN { split(\"$files\", files) }
663 c = \"$pfx\" toupper(\$1);
669 if (file ~ /\\.h\$/) {
670 printf(\"#define %s %d\\n\", c, v) >>file;
671 } else if (file ~ /\\.asm\$/) {
672 printf(\"%%define %s %d\\n\", c, v) >>file;
673 } else if (file ~ /\\.mak\$/) {
674 n = -v ? \"\" : \"!\";
675 printf(\"%s%s=yes\\n\", n, c) >>file;
676 } else if (file ~ /\\.texi\$/) {
677 pre = -v ? \"\" : \"@c \";
680 gsub(/_/, \"-\", c2);
681 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
691 enabled $v && printf "%s\n" ${v%$suf};
698 eval "$var=\"\$$var $*\""
704 eval "$var=\"$* \$$var\""
712 append CFLAGS $($cflags_filter "$@")
716 append CXXFLAGS $($cflags_filter "$@")
720 append ASFLAGS $($asflags_filter "$@")
724 append LDFLAGS $($ldflags_filter "$@")
728 prepend extralibs $($ldflags_filter "$@")
732 append host_cppflags "$@"
736 append host_cflags $($host_cflags_filter "$@")
740 append host_ldflags $($host_ldflags_filter "$@")
744 append compat_objs $1
746 map 'add_cppflags -D$v' "$@"
751 "$@" >> $logfile 2>&1
755 eval printf '%s\\n' $CC_O
759 eval printf '%s\\n' $CC_E
766 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
773 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
780 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
784 eval printf '%s\\n' $AS_O
791 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
795 log check_inline_asm "$@"
800 check_cc "$@" <<EOF && enable $name
801 void foo(void){ __asm__ volatile($code); }
807 check_inline_asm ${1}_inline "\"$2\""
808 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
816 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
820 eval printf '%s\\n' $LD_O
827 flags=$(filter_out '-l*|*.so' $@)
828 libs=$(filter '-l*|*.so' $@)
829 check_$type $($cflags_filter $flags) || return
830 flags=$($ldflags_filter $flags)
831 libs=$($ldflags_filter $libs)
832 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
842 for hdr in $headers; do
843 echo "#include <$hdr>"
845 echo "int main(void) { $code; return 0; }"
846 } | check_$check "$@"
850 log check_cppflags "$@"
851 check_cc "$@" <<EOF && append CPPFLAGS "$@"
857 log check_cflags "$@"
858 set -- $($cflags_filter "$@")
859 check_cc "$@" <<EOF && append CFLAGS "$@"
865 log check_cxxflags "$@"
866 set -- $($cflags_filter "$@")
867 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
873 log test_ldflags "$@"
874 check_ld "cc" "$@" <<EOF
875 int main(void){ return 0; }
880 log check_ldflags "$@"
881 test_ldflags "$@" && add_ldflags "$@"
885 log check_header "$@"
889 check_cpp "$@" <<EOF && enable_safe $header
900 check_ld "cc" "$@" <<EOF && enable $func
902 int main(void){ $func(); }
907 log check_mathfunc "$@"
911 test $narg = 2 && args="f, g" || args="f"
913 check_ld "cc" "$@" <<EOF && enable $func
915 float foo(float f, float g) { return $func($args); }
916 int main(void){ return (int) foo; }
920 check_func_headers(){
921 log check_func_headers "$@"
926 for hdr in $headers; do
927 echo "#include <$hdr>"
929 for func in $funcs; do
930 echo "long check_$func(void) { return (long) $func; }"
932 echo "int main(void) { return 0; }"
933 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
936 check_class_headers_cpp(){
937 log check_class_headers_cpp "$@"
942 for hdr in $headers; do
943 echo "#include <$hdr>"
945 echo "int main(void) { "
947 for class in $classes; do
952 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
955 check_cpp_condition(){
956 log check_cpp_condition "$@"
963 #error "unsatisfied condition: $condition"
973 check_header $header && check_func $func "$@" && add_extralibs "$@"
981 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
985 log check_lib_cpp "$@"
989 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
993 log check_pkg_config "$@"
998 check_cmd $pkg_config --exists --print-errors $pkg || return
999 pkg_cflags=$($pkg_config --cflags $pkg)
1000 pkg_libs=$($pkg_config --libs $pkg)
1001 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1002 set_safe ${pkg}_cflags $pkg_cflags &&
1003 set_safe ${pkg}_libs $pkg_libs
1007 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1013 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1014 # are safe but may not be available everywhere. Thus we use
1015 # raise(SIGTERM) instead. The check is run in a subshell so we
1016 # can redirect the "Terminated" message from the shell. SIGBUS
1017 # is not defined by standard C so it is used conditionally.
1019 (check_exec "$@") >> $logfile 2>&1 <<EOF
1021 static void sighandler(int sig){
1027 int (*func_ptr)(void) = foo;
1029 signal(SIGILL, sighandler);
1030 signal(SIGFPE, sighandler);
1031 signal(SIGSEGV, sighandler);
1033 signal(SIGBUS, sighandler);
1045 disable_safe "$type"
1046 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1050 log check_struct "$@"
1055 disable_safe "${struct}_${member}"
1056 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1057 enable_safe "${struct}_${member}"
1061 log check_builtin "$@"
1067 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1075 check_lib $header $func "$@" || die "ERROR: $name not found"
1083 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1091 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1094 require_pkg_config(){
1096 check_pkg_config "$@" || die "ERROR: $pkg not found"
1097 add_cflags $(get_safe ${pkg}_cflags)
1098 add_extralibs $(get_safe ${pkg}_libs)
1102 eval printf '%s\\n' $HOSTCC_O
1106 log check_host_cc "$@"
1109 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1112 check_host_cppflags(){
1113 log check_host_cppflags "$@"
1114 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1119 check_host_cflags(){
1120 log check_host_cflags "$@"
1121 set -- $($host_cflags_filter "$@")
1122 check_host_cc "$@" <<EOF && append host_cflags "$@"
1130 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1134 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1135 mkdir -p "$(dirname $2)"
1139 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1140 # system-dependent things.
1156 EXTERNAL_LIBRARY_LIST="
1254 $EXTERNAL_LIBRARY_LIST
1267 incompatible_libav_abi
1268 incompatible_fork_abi
1279 safe_bitstream_reader
1375 incompatible_libav_abi
1376 incompatible_fork_abi
1409 $(add_suffix _external $ARCH_EXT_LIST)
1410 $(add_suffix _inline $ARCH_EXT_LIST)
1430 cdio_paranoia_paranoia_h
1438 dev_bktr_ioctl_bt848_h
1439 dev_bktr_ioctl_meteor_h
1441 dev_video_bktr_ioctl_bt848_h
1442 dev_video_meteor_ioctl_meteor_h
1458 GetProcessAffinityMask
1459 GetProcessMemoryInfo
1461 GetSystemTimeAsFileTime
1473 jack_port_get_latency_range
1483 machine_ioctl_bt848_h
1484 machine_ioctl_meteor_h
1497 openjpeg_1_5_openjpeg_h
1510 SetConsoleTextAttribute
1519 struct_group_source_req
1520 struct_ip_mreq_source
1523 struct_rusage_ru_maxrss
1524 struct_sctp_event_subscribe
1526 struct_sockaddr_sa_len
1527 struct_sockaddr_storage
1528 struct_stat_st_mtim_tv_nsec
1529 struct_v4l2_frmivalenum_discrete
1532 sync_val_compare_and_swap
1556 # options emitted with CONFIG_ prefix but not available on the command line
1563 frame_thread_encoder
1663 # code dependency declarations
1665 # architecture extensions
1674 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1677 mips32r2_deps="mips"
1678 mipsdspr1_deps="mips"
1679 mipsdspr2_deps="mips"
1687 x86_64_select="i686"
1688 x86_64_suggest="fast_cmov"
1691 amd3dnowext_deps="amd3dnow"
1703 mmx_external_deps="yasm"
1704 mmx_inline_deps="inline_asm"
1705 mmx_suggest="mmx_external mmx_inline"
1707 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1708 eval dep=\$${ext}_deps
1709 eval ${ext}_external_deps='"${dep}_external"'
1710 eval ${ext}_inline_deps='"${dep}_inline"'
1711 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1714 aligned_stack_if_any="ppc x86"
1715 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1716 fast_clz_if_any="alpha avr32 mips ppc x86"
1717 fast_unaligned_if_any="ppc x86"
1719 inline_asm_deps="!tms470"
1720 need_memalign="altivec neon sse"
1722 symver_if_any="symver_asm_label symver_gnu_asm"
1728 error_resilience_select="dsputil"
1729 frame_thread_encoder_deps="encoders threads"
1730 lpc_select="dsputil"
1733 mpegaudio_select="mpegaudiodsp"
1734 mpegaudiodsp_select="dct"
1735 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1736 mpegvideoenc_select="mpegvideo"
1738 # decoders / encoders
1739 aac_decoder_select="mdct sinewin"
1740 aac_encoder_select="audio_frame_queue mdct sinewin"
1741 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1742 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1743 ac3_encoder_select="mdct ac3dsp dsputil"
1744 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1745 aic_decoder_select="dsputil golomb"
1746 alac_encoder_select="lpc"
1747 als_decoder_select="dsputil"
1748 amrnb_decoder_select="lsp"
1749 amrwb_decoder_select="lsp"
1750 amv_decoder_select="dsputil hpeldsp exif"
1751 amv_encoder_select="aandcttables"
1752 ape_decoder_select="dsputil"
1753 asv1_decoder_select="dsputil"
1754 asv1_encoder_select="dsputil"
1755 asv2_decoder_select="dsputil"
1756 asv2_encoder_select="dsputil"
1757 atrac1_decoder_select="mdct sinewin"
1758 atrac3_decoder_select="mdct"
1759 avrn_decoder_select="exif"
1760 bink_decoder_select="dsputil hpeldsp"
1761 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1762 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1763 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1764 cllc_decoder_select="dsputil"
1765 comfortnoise_encoder_select="lpc"
1766 cook_decoder_select="dsputil mdct sinewin"
1767 cscd_decoder_select="lzo"
1768 cscd_decoder_suggest="zlib"
1769 dca_decoder_select="mdct"
1770 dirac_decoder_select="dsputil dwt golomb videodsp"
1771 dnxhd_decoder_select="dsputil"
1772 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1773 dvvideo_decoder_select="dsputil"
1774 dvvideo_encoder_select="dsputil"
1775 dxa_decoder_deps="zlib"
1776 eac3_decoder_select="ac3_decoder"
1777 eac3_encoder_select="ac3_encoder"
1778 eamad_decoder_select="aandcttables dsputil mpegvideo"
1779 eatgq_decoder_select="aandcttables"
1780 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1781 exr_decoder_deps="zlib"
1782 ffv1_decoder_select="dsputil golomb rangecoder"
1783 ffv1_encoder_select="dsputil rangecoder"
1784 ffvhuff_decoder_select="dsputil"
1785 ffvhuff_encoder_select="dsputil huffman"
1786 flac_decoder_select="golomb"
1787 flac_encoder_select="dsputil golomb lpc"
1788 flashsv_decoder_deps="zlib"
1789 flashsv_encoder_deps="zlib"
1790 flashsv2_encoder_deps="zlib"
1791 flashsv2_decoder_deps="zlib"
1792 flv_decoder_select="h263_decoder"
1793 flv_encoder_select="h263_encoder"
1794 fourxm_decoder_select="dsputil"
1795 fraps_decoder_select="dsputil huffman"
1796 g2m_decoder_deps="zlib"
1797 g2m_decoder_select="dsputil"
1798 g729_decoder_select="dsputil"
1799 h261_decoder_select="error_resilience mpegvideo"
1800 h261_encoder_select="aandcttables mpegvideoenc"
1801 h263_decoder_select="error_resilience h263_parser mpegvideo"
1802 h263_encoder_select="aandcttables mpegvideoenc"
1803 h263i_decoder_select="h263_decoder"
1804 h263p_encoder_select="h263_encoder"
1805 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1806 h264_decoder_suggest="error_resilience"
1807 huffyuv_decoder_select="dsputil"
1808 huffyuv_encoder_select="dsputil huffman"
1809 iac_decoder_select="dsputil fft mdct sinewin"
1810 imc_decoder_select="dsputil fft mdct sinewin"
1811 indeo3_decoder_select="hpeldsp"
1812 interplay_video_decoder_select="hpeldsp"
1813 jpegls_decoder_select="dsputil golomb hpeldsp exif"
1814 jpegls_encoder_select="golomb"
1815 jv_decoder_select="dsputil"
1816 lagarith_decoder_select="dsputil"
1817 ljpeg_encoder_select="aandcttables mpegvideoenc"
1818 loco_decoder_select="golomb"
1819 mdec_decoder_select="dsputil error_resilience mpegvideo"
1820 metasound_decoder_select="lsp mdct sinewin"
1821 mimic_decoder_select="dsputil hpeldsp"
1822 mjpeg_decoder_select="dsputil hpeldsp exif"
1823 mjpegb_decoder_select="dsputil hpeldsp exif"
1824 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1825 mlp_decoder_select="dsputil mlp_parser"
1826 motionpixels_decoder_select="dsputil"
1827 mp1_decoder_select="mpegaudio"
1828 mp1float_decoder_select="mpegaudio"
1829 mp2_decoder_select="mpegaudio"
1830 mp2float_decoder_select="mpegaudio"
1831 mp3_decoder_select="mpegaudio"
1832 mp3adu_decoder_select="mpegaudio"
1833 mp3adufloat_decoder_select="mpegaudio"
1834 mp3float_decoder_select="mpegaudio"
1835 mp3on4_decoder_select="mpegaudio"
1836 mp3on4float_decoder_select="mpegaudio"
1837 mpc7_decoder_select="dsputil mpegaudiodsp"
1838 mpc8_decoder_select="dsputil mpegaudiodsp"
1839 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1840 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1841 mpeg1video_decoder_select="error_resilience mpegvideo"
1842 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1843 mpeg2video_decoder_select="error_resilience mpegvideo"
1844 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1845 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1846 mpeg4_encoder_select="h263_encoder"
1847 msmpeg4v1_decoder_select="h263_decoder"
1848 msmpeg4v2_decoder_select="h263_decoder"
1849 msmpeg4v2_encoder_select="h263_encoder"
1850 msmpeg4v3_decoder_select="h263_decoder"
1851 msmpeg4v3_encoder_select="h263_encoder"
1852 mss2_decoder_select="error_resilience vc1_decoder"
1853 mxpeg_decoder_select="dsputil hpeldsp exif"
1854 nellymoser_decoder_select="mdct sinewin"
1855 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1856 nuv_decoder_select="dsputil lzo"
1857 png_decoder_deps="zlib"
1858 png_encoder_deps="zlib"
1859 png_encoder_select="dsputil"
1860 prores_decoder_select="dsputil"
1861 prores_encoder_select="dsputil"
1862 qcelp_decoder_select="lsp"
1863 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1864 ra_144_encoder_select="audio_frame_queue lpc"
1865 ralf_decoder_select="golomb"
1866 rtjpeg_decoder_select="dsputil"
1867 rv10_decoder_select="error_resilience h263_decoder"
1868 rv10_encoder_select="h263_encoder"
1869 rv20_decoder_select="error_resilience h263_decoder"
1870 rv20_encoder_select="h263_encoder"
1871 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1872 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1873 shorten_decoder_select="golomb"
1874 sipr_decoder_select="lsp"
1875 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
1876 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
1877 sonic_decoder_select="golomb"
1878 sonic_encoder_select="golomb"
1879 sonic_ls_encoder_select="golomb"
1880 sp5x_decoder_select="dsputil hpeldsp exif"
1881 svq1_decoder_select="hpeldsp"
1882 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1883 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1884 svq3_decoder_suggest="error_resilience zlib"
1885 tak_decoder_select="dsputil"
1886 theora_decoder_select="vp3_decoder"
1887 tiff_decoder_suggest="zlib"
1888 tiff_encoder_suggest="zlib"
1889 thp_decoder_select="dsputil hpeldsp exif"
1890 truehd_decoder_select="mlp_parser"
1891 truemotion2_decoder_select="dsputil"
1892 truespeech_decoder_select="dsputil"
1893 tscc_decoder_deps="zlib"
1894 twinvq_decoder_select="mdct lsp sinewin"
1895 utvideo_decoder_select="dsputil"
1896 utvideo_encoder_select="dsputil huffman"
1897 vble_decoder_select="dsputil"
1898 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1899 vc1image_decoder_select="vc1_decoder"
1900 vorbis_decoder_select="mdct"
1901 vorbis_encoder_select="mdct"
1902 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1903 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1904 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1905 vp6a_decoder_select="vp6_decoder"
1906 vp6f_decoder_select="vp6_decoder"
1907 vp8_decoder_select="h264pred videodsp"
1908 webp_decoder_select="vp8_decoder"
1909 wmapro_decoder_select="mdct sinewin"
1910 wmav1_decoder_select="mdct sinewin"
1911 wmav1_encoder_select="mdct sinewin"
1912 wmav2_decoder_select="mdct sinewin"
1913 wmav2_encoder_select="mdct sinewin"
1914 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1915 wmv1_decoder_select="h263_decoder"
1916 wmv1_encoder_select="h263_encoder"
1917 wmv2_decoder_select="h263_decoder videodsp"
1918 wmv2_encoder_select="h263_encoder"
1919 wmv3_decoder_select="vc1_decoder"
1920 wmv3image_decoder_select="wmv3_decoder"
1921 zerocodec_decoder_deps="zlib"
1922 zlib_decoder_deps="zlib"
1923 zlib_encoder_deps="zlib"
1924 zmbv_decoder_deps="zlib"
1925 zmbv_encoder_deps="zlib"
1927 # hardware accelerators
1928 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1929 dxva2_deps="dxva2api_h"
1930 vaapi_deps="va_va_h"
1931 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1932 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1933 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1935 h263_vaapi_hwaccel_deps="vaapi"
1936 h263_vaapi_hwaccel_select="h263_decoder"
1937 h263_vdpau_hwaccel_deps="vdpau"
1938 h263_vdpau_hwaccel_select="h263_decoder"
1939 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1940 h264_dxva2_hwaccel_deps="dxva2"
1941 h264_dxva2_hwaccel_select="h264_decoder"
1942 h264_vaapi_hwaccel_deps="vaapi"
1943 h264_vaapi_hwaccel_select="h264_decoder"
1944 h264_vda_decoder_deps="vda"
1945 h264_vda_decoder_select="h264_decoder"
1946 h264_vda_hwaccel_deps="vda"
1947 h264_vda_hwaccel_select="h264_decoder"
1948 h264_vdpau_decoder_deps="vdpau"
1949 h264_vdpau_decoder_select="h264_decoder"
1950 h264_vdpau_hwaccel_deps="vdpau"
1951 h264_vdpau_hwaccel_select="h264_decoder"
1952 mpeg_vdpau_decoder_deps="vdpau"
1953 mpeg_vdpau_decoder_select="mpeg2video_decoder"
1954 mpeg1_vdpau_decoder_deps="vdpau"
1955 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
1956 mpeg1_vdpau_hwaccel_deps="vdpau"
1957 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
1958 mpeg2_crystalhd_decoder_select="crystalhd"
1959 mpeg2_dxva2_hwaccel_deps="dxva2"
1960 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
1961 mpeg2_vaapi_hwaccel_deps="vaapi"
1962 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1963 mpeg2_vdpau_hwaccel_deps="vdpau"
1964 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1965 mpeg4_crystalhd_decoder_select="crystalhd"
1966 mpeg4_vaapi_hwaccel_deps="vaapi"
1967 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1968 mpeg4_vdpau_decoder_deps="vdpau"
1969 mpeg4_vdpau_decoder_select="mpeg4_decoder"
1970 mpeg4_vdpau_hwaccel_deps="vdpau"
1971 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
1972 msmpeg4_crystalhd_decoder_select="crystalhd"
1973 vc1_crystalhd_decoder_select="crystalhd"
1974 vc1_dxva2_hwaccel_deps="dxva2"
1975 vc1_dxva2_hwaccel_select="vc1_decoder"
1976 vc1_vaapi_hwaccel_deps="vaapi"
1977 vc1_vaapi_hwaccel_select="vc1_decoder"
1978 vc1_vdpau_decoder_deps="vdpau"
1979 vc1_vdpau_decoder_select="vc1_decoder"
1980 vc1_vdpau_hwaccel_deps="vdpau"
1981 vc1_vdpau_hwaccel_select="vc1_decoder"
1982 wmv3_crystalhd_decoder_select="crystalhd"
1983 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1984 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1985 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1986 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
1989 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1990 mpeg4video_parser_select="error_resilience mpegvideo"
1991 mpegvideo_parser_select="error_resilience mpegvideo"
1992 vc1_parser_select="mpegvideo"
1994 # external libraries
1995 libaacplus_encoder_deps="libaacplus"
1996 libcelt_decoder_deps="libcelt"
1997 libfaac_encoder_deps="libfaac"
1998 libfaac_encoder_select="audio_frame_queue"
1999 libfdk_aac_decoder_deps="libfdk_aac"
2000 libfdk_aac_encoder_deps="libfdk_aac"
2001 libfdk_aac_encoder_select="audio_frame_queue"
2002 libgme_demuxer_deps="libgme"
2003 libgsm_decoder_deps="libgsm"
2004 libgsm_encoder_deps="libgsm"
2005 libgsm_ms_decoder_deps="libgsm"
2006 libgsm_ms_encoder_deps="libgsm"
2007 libilbc_decoder_deps="libilbc"
2008 libilbc_encoder_deps="libilbc"
2009 libmodplug_demuxer_deps="libmodplug"
2010 libmp3lame_encoder_deps="libmp3lame"
2011 libmp3lame_encoder_select="audio_frame_queue"
2012 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2013 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2014 libopencore_amrnb_encoder_select="audio_frame_queue"
2015 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2016 libopenjpeg_decoder_deps="libopenjpeg"
2017 libopenjpeg_encoder_deps="libopenjpeg"
2018 libopus_decoder_deps="libopus"
2019 libopus_encoder_deps="libopus"
2020 libopus_encoder_select="audio_frame_queue"
2021 libquvi_demuxer_deps="libquvi"
2022 libschroedinger_decoder_deps="libschroedinger"
2023 libschroedinger_encoder_deps="libschroedinger"
2024 libshine_encoder_deps="libshine"
2025 libshine_encoder_select="audio_frame_queue"
2026 libspeex_decoder_deps="libspeex"
2027 libspeex_encoder_deps="libspeex"
2028 libspeex_encoder_select="audio_frame_queue"
2029 libstagefright_h264_decoder_deps="libstagefright_h264"
2030 libtheora_encoder_deps="libtheora"
2031 libtwolame_encoder_deps="libtwolame"
2032 libvo_aacenc_encoder_deps="libvo_aacenc"
2033 libvo_aacenc_encoder_select="audio_frame_queue"
2034 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2035 libvorbis_decoder_deps="libvorbis"
2036 libvorbis_encoder_deps="libvorbis"
2037 libvorbis_encoder_select="audio_frame_queue"
2038 libvpx_vp8_decoder_deps="libvpx"
2039 libvpx_vp8_encoder_deps="libvpx"
2040 libvpx_vp9_decoder_deps="libvpx"
2041 libvpx_vp9_encoder_deps="libvpx"
2042 libwavpack_encoder_deps="libwavpack"
2043 libx264_encoder_deps="libx264"
2044 libx264rgb_encoder_deps="libx264"
2045 libxavs_encoder_deps="libxavs"
2046 libxvid_encoder_deps="libxvid"
2047 libutvideo_decoder_deps="libutvideo"
2048 libutvideo_encoder_deps="libutvideo"
2049 libzvbi_teletext_decoder_deps="libzvbi"
2052 ac3_demuxer_select="ac3_parser"
2053 asf_demuxer_select="riffdec"
2054 asf_muxer_select="riffenc"
2055 asf_stream_muxer_select="asf_muxer"
2056 avi_demuxer_select="riffdec"
2057 avi_muxer_select="riffenc"
2058 avisynth_demuxer_deps="avisynth"
2059 avisynth_demuxer_select="riffdec"
2060 caf_demuxer_select="riffdec"
2061 dirac_demuxer_select="dirac_parser"
2062 dts_demuxer_select="dca_parser"
2063 dtshd_demuxer_select="dca_parser"
2064 dxa_demuxer_select="riffdec"
2065 eac3_demuxer_select="ac3_parser"
2066 f4v_muxer_select="mov_muxer"
2067 flac_demuxer_select="flac_parser"
2068 hls_muxer_select="mpegts_muxer"
2069 ipod_muxer_select="mov_muxer"
2070 ismv_muxer_select="mov_muxer"
2071 libnut_demuxer_deps="libnut"
2072 libnut_muxer_deps="libnut"
2073 matroska_audio_muxer_select="matroska_muxer"
2074 matroska_demuxer_select="riffdec"
2075 matroska_demuxer_suggest="bzlib lzo zlib"
2076 matroska_muxer_select="riffenc"
2077 mmf_muxer_select="riffenc"
2078 mov_demuxer_select="riffdec"
2079 mov_demuxer_suggest="zlib"
2080 mov_muxer_select="riffenc rtpenc_chain"
2081 mp3_demuxer_select="mpegaudio_parser"
2082 mp4_muxer_select="mov_muxer"
2083 mpegts_muxer_select="adts_muxer latm_muxer"
2084 mpegtsraw_demuxer_select="mpegts_demuxer"
2085 mxf_d10_muxer_select="mxf_muxer"
2086 nut_muxer_select="riffenc"
2087 nuv_demuxer_select="riffdec"
2088 ogg_demuxer_select="golomb"
2089 psp_muxer_select="mov_muxer"
2090 rtp_demuxer_select="sdp_demuxer"
2091 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2092 rtsp_demuxer_select="http_protocol rtpdec"
2093 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2094 sap_demuxer_select="sdp_demuxer"
2095 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2096 sdp_demuxer_select="rtpdec"
2097 smoothstreaming_muxer_select="ismv_muxer"
2098 spdif_muxer_select="aac_parser"
2099 tak_demuxer_select="tak_parser"
2100 tg2_muxer_select="mov_muxer"
2101 tgp_muxer_select="mov_muxer"
2102 vobsub_demuxer_select="mpegps_demuxer"
2103 w64_demuxer_select="wav_demuxer"
2104 w64_muxer_select="wav_muxer"
2105 wav_demuxer_select="riffdec"
2106 wav_muxer_select="riffenc"
2107 webm_muxer_select="riffenc"
2108 wtv_demuxer_select="riffdec"
2109 xmv_demuxer_select="riffdec"
2110 xwma_demuxer_select="riffdec"
2113 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2114 alsa_outdev_deps="alsa_asoundlib_h"
2115 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2116 caca_outdev_deps="libcaca"
2117 dshow_indev_deps="IBaseFilter"
2118 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2119 dv1394_indev_deps="dv1394"
2120 dv1394_indev_select="dv_demuxer"
2121 fbdev_indev_deps="linux_fb_h"
2122 iec61883_indev_deps="libiec61883"
2123 jack_indev_deps="jack_jack_h sem_timedwait"
2124 lavfi_indev_deps="avfilter"
2125 libcdio_indev_deps="libcdio"
2126 libdc1394_indev_deps="libdc1394"
2127 libv4l2_indev_deps="libv4l2"
2128 openal_indev_deps="openal"
2129 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2130 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2131 pulse_indev_deps="libpulse"
2132 sdl_outdev_deps="sdl"
2133 sndio_indev_deps="sndio_h"
2134 sndio_outdev_deps="sndio_h"
2135 v4l_indev_deps="linux_videodev_h"
2136 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2137 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2138 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2139 vfwcap_indev_extralibs="-lavicap32"
2140 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2141 xv_outdev_extralibs="-lXv -lX11 -lXext"
2142 x11grab_indev_deps="x11grab"
2145 bluray_protocol_deps="libbluray"
2146 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2147 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2148 ffrtmpcrypt_protocol_select="tcp_protocol"
2149 ffrtmphttp_protocol_deps="!librtmp_protocol"
2150 ffrtmphttp_protocol_select="http_protocol"
2151 ftp_protocol_select="tcp_protocol"
2152 gopher_protocol_select="network"
2153 httpproxy_protocol_select="tcp_protocol"
2154 http_protocol_select="tcp_protocol"
2155 https_protocol_select="tls_protocol"
2156 librtmp_protocol_deps="librtmp"
2157 librtmpe_protocol_deps="librtmp"
2158 librtmps_protocol_deps="librtmp"
2159 librtmpt_protocol_deps="librtmp"
2160 librtmpte_protocol_deps="librtmp"
2161 mmsh_protocol_select="http_protocol"
2162 mmst_protocol_select="network"
2163 rtmp_protocol_deps="!librtmp_protocol"
2164 rtmp_protocol_select="tcp_protocol"
2165 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2166 rtmps_protocol_deps="!librtmp_protocol"
2167 rtmps_protocol_select="tls_protocol"
2168 rtmpt_protocol_select="ffrtmphttp_protocol"
2169 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2170 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2171 rtp_protocol_select="udp_protocol"
2172 sctp_protocol_deps="struct_sctp_event_subscribe"
2173 sctp_protocol_select="network"
2174 srtp_protocol_select="rtp_protocol"
2175 tcp_protocol_select="network"
2176 tls_protocol_deps_any="openssl gnutls"
2177 tls_protocol_select="tcp_protocol"
2178 udp_protocol_select="network"
2179 unix_protocol_deps="sys_un_h"
2180 unix_protocol_select="network"
2183 aconvert_filter_deps="swresample"
2184 amovie_filter_deps="avcodec avformat"
2185 aresample_filter_deps="swresample"
2186 ass_filter_deps="libass"
2187 asyncts_filter_deps="avresample"
2188 atempo_filter_deps="avcodec rdft"
2189 azmq_filter_deps="libzmq"
2190 blackframe_filter_deps="gpl"
2191 boxblur_filter_deps="gpl"
2192 colormatrix_filter_deps="gpl"
2193 cropdetect_filter_deps="gpl"
2194 dctdnoiz_filter_deps="avcodec fft"
2195 delogo_filter_deps="gpl"
2196 deshake_filter_deps="avcodec"
2197 deshake_filter_select="dsputil"
2198 drawtext_filter_deps="libfreetype"
2199 ebur128_filter_deps="gpl"
2200 flite_filter_deps="libflite"
2201 frei0r_filter_deps="frei0r dlopen"
2202 frei0r_filter_extralibs='$ldl'
2203 frei0r_src_filter_deps="frei0r dlopen"
2204 frei0r_src_filter_extralibs='$ldl'
2205 geq_filter_deps="gpl"
2206 histeq_filter_deps="gpl"
2207 hqdn3d_filter_deps="gpl"
2208 interlace_filter_deps="gpl"
2209 kerndeint_filter_deps="gpl"
2210 mcdeint_filter_deps="avcodec gpl"
2211 movie_filter_deps="avcodec avformat"
2212 mp_filter_deps="gpl avcodec swscale inline_asm"
2213 mpdecimate_filter_deps="gpl avcodec"
2214 mptestsrc_filter_deps="gpl"
2215 negate_filter_deps="lut_filter"
2216 noise_filter_deps="gpl"
2217 perspective_filter_deps="gpl"
2218 resample_filter_deps="avresample"
2219 ocv_filter_deps="libopencv"
2220 owdenoise_filter_deps="gpl"
2221 pan_filter_deps="swresample"
2222 phase_filter_deps="gpl"
2223 pp_filter_deps="gpl postproc"
2224 removelogo_filter_deps="avcodec avformat swscale"
2225 sab_filter_deps="gpl swscale"
2226 scale_filter_deps="swscale"
2227 smartblur_filter_deps="gpl swscale"
2228 showspectrum_filter_deps="avcodec rdft"
2229 spp_filter_deps="gpl avcodec fft"
2230 stereo3d_filter_deps="gpl"
2231 subtitles_filter_deps="avformat avcodec libass"
2232 super2xsai_filter_deps="gpl"
2233 tinterlace_filter_deps="gpl"
2234 vidstabdetect_filter_deps="libvidstab"
2235 vidstabtransform_filter_deps="libvidstab"
2236 yadif_filter_deps="gpl"
2237 pixfmts_super2xsai_test_deps="super2xsai_filter"
2238 tinterlace_merge_test_deps="tinterlace_filter"
2239 tinterlace_pad_test_deps="tinterlace_filter"
2240 zmq_filter_deps="libzmq"
2243 avcodec_deps="avutil"
2244 avdevice_deps="avutil avcodec avformat"
2245 avfilter_deps="avutil"
2246 avformat_deps="avutil avcodec"
2247 avresample_deps="avutil"
2248 postproc_deps="avutil gpl"
2249 swscale_deps="avutil"
2252 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
2253 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2255 setpts_filter trim_filter"
2256 ffplay_deps="avcodec avformat swscale swresample sdl"
2257 ffplay_select="rdft crop_filter"
2258 ffprobe_deps="avcodec avformat"
2259 ffserver_deps="avformat fork sarestart"
2260 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2261 ffserver_extralibs='$ldl'
2264 podpages_deps="perl"
2265 manpages_deps="perl pod2man"
2266 htmlpages_deps="texi2html"
2267 txtpages_deps="makeinfo"
2268 doc_deps_any="manpages htmlpages podpages txtpages"
2270 # default parameters
2272 logfile="config.log"
2274 # installation paths
2275 prefix_default="/usr/local"
2276 bindir_default='${prefix}/bin'
2277 datadir_default='${prefix}/share/ffmpeg'
2278 docdir_default='${prefix}/share/doc/ffmpeg'
2279 incdir_default='${prefix}/include'
2280 libdir_default='${prefix}/lib'
2281 mandir_default='${prefix}/share/man'
2282 shlibdir_default="$libdir_default"
2288 host_cc_default="gcc"
2294 pkg_config_default=pkg-config
2296 strip_default="strip"
2297 yasmexe_default="yasm"
2302 arch_default=$(uname -m)
2306 target_os_default=$(tolower $(uname -s))
2307 host_os=$target_os_default
2309 # configurable options
2310 enable $PROGRAM_LIST
2311 enable $DOCUMENT_LIST
2312 enable $(filter_out avresample $LIBRARY_LIST)
2318 enable optimizations
2319 enable runtime_cpudetect
2320 enable safe_bitstream_reader
2322 enable swscale_alpha
2324 # Enable hwaccels by default.
2325 enable dxva2 vaapi vdpau
2328 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2331 FULLNAME='$(NAME)$(BUILDSUF)'
2332 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2335 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2336 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2337 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2338 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2339 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2340 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2360 host_cflags='-O3 -g'
2361 host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
2363 host_cflags_filter=echo
2364 host_ldflags_filter=echo
2366 target_path='$(CURDIR)'
2368 # since the object filename is not given with the -MM flag, the compiler
2369 # is only able to print the basename, and we must add the path ourselves
2370 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2374 if test -f configure; then
2377 source_path=$(cd $(dirname "$0"); pwd)
2378 echo "$source_path" | grep -q '[[:blank:]]' &&
2379 die "Out of tree builds are impossible with whitespace in source path."
2380 test -e "$source_path/config.h" &&
2381 die "Out of tree builds are impossible with config.h in source dir."
2388 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2394 file=$source_path/$3
2395 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2398 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2399 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2400 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2401 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2402 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2403 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2404 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2405 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2406 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2407 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2408 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2424 for n in $COMPONENT_LIST; do
2425 v=$(toupper ${n%s})_LIST
2427 eval ${n}_if_any="\$$v"
2430 enable $ARCH_EXT_LIST
2433 echo "Unknown option \"$1\"."
2434 echo "See $0 --help for available options."
2439 cat | tr ' ' '\n' | sort | pr -r -3 -t
2445 echo $* | sed s/$suffix//g | print_3_columns
2457 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2458 echo "prob ${prob:-0.5}"
2466 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2467 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2477 add_extralibs $optval
2480 disable $INDEV_LIST $OUTDEV_LIST
2483 debuglevel="$optval"
2486 disable $PROGRAM_LIST
2488 --disable-everything)
2489 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2492 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2493 disable $LIBRARY_LIST $PROGRAM_LIST doc
2495 --enable-random|--disable-random)
2496 action=${opt%%-random}
2497 do_random ${action#--} $COMPONENT_LIST
2499 --enable-random=*|--disable-random=*)
2500 action=${opt%%-random=*}
2501 do_random ${action#--} $optval
2503 --enable-*=*|--disable-*=*)
2504 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2505 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2506 eval list=\$$(toupper $thing)_LIST
2507 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2508 list=$(filter "$name" $list)
2509 [ "$list" = "" ] && warn "Option $opt did not match anything"
2512 --enable-?*|--disable-?*)
2513 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2514 if is_in $option $COMPONENT_LIST; then
2515 test $action = disable && action=unset
2516 eval $action \$$(toupper ${option%s})_LIST
2517 elif is_in $option $CMDLINE_SELECT; then
2524 NAME="${opt#--list-}"
2525 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2527 eval show_list $NAME \$$(toupper $NAME)_LIST
2529 --help|-h) show_help
2531 --fatal-warnings) enable fatal_warnings
2534 optname="${opt%%=*}"
2535 optname="${optname#--}"
2536 optname=$(echo "$optname" | sed 's/-/_/g')
2537 if is_in $optname $CMDLINE_SET; then
2538 eval $optname='$optval'
2539 elif is_in $optname $CMDLINE_APPEND; then
2540 append $optname "$optval"
2548 disabled logging && logfile=/dev/null
2550 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2553 test -n "$cross_prefix" && enable cross_compile
2555 if enabled cross_compile; then
2556 test -n "$arch" && test -n "$target_os" ||
2557 die "Must specify target arch and OS when cross-compiling"
2560 ar_default="${cross_prefix}${ar_default}"
2561 cc_default="${cross_prefix}${cc_default}"
2562 cxx_default="${cross_prefix}${cxx_default}"
2563 nm_default="${cross_prefix}${nm_default}"
2564 pkg_config_default="${cross_prefix}${pkg_config_default}"
2565 ranlib="${cross_prefix}${ranlib}"
2566 strip_default="${cross_prefix}${strip_default}"
2568 sysinclude_default="${sysroot}/usr/include"
2570 test -n "$valgrind" && toolchain="valgrind-memcheck"
2572 case "$toolchain" in
2575 add_cflags -fsanitize=address
2576 add_ldflags -fsanitize=address
2580 add_cflags -fsanitize=thread -pie
2581 add_ldflags -fsanitize=thread -pie
2585 add_cflags -fsanitize=address
2586 add_ldflags -fsanitize=address
2590 add_cflags -fsanitize=thread -pie -fPIC
2591 add_ldflags -fsanitize=thread -pie -fPIC
2594 target_exec_default=${valgrind:-"valgrind"}
2595 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"
2598 target_exec_default=${valgrind:-"valgrind"}
2599 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2602 cc_default="c99wrap cl"
2603 ld_default="c99wrap link"
2604 nm_default="dumpbin -symbols"
2606 target_os_default="win32"
2609 cc_default="c99wrap -noconv icl"
2610 ld_default="c99wrap xilink"
2611 nm_default="dumpbin -symbols"
2613 target_os_default="win32"
2616 add_cflags -fprofile-arcs -ftest-coverage
2617 add_ldflags -fprofile-arcs -ftest-coverage
2620 die "Unknown toolchain $toolchain"
2624 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2625 enabled cross_compile || host_cc_default=$cc
2628 if ! $pkg_config --version >/dev/null 2>&1; then
2629 warn "$pkg_config not found, library detection may fail."
2635 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2639 EXESUF=$(exesuf $target_os)
2640 HOSTEXESUF=$(exesuf $host_os)
2642 # set temporary file name
2643 : ${TMPDIR:=$TEMPDIR}
2647 if ! check_cmd mktemp -u XXXXXX; then
2648 # simple replacement for missing mktemp
2649 # NOT SAFE FOR GENERAL USE
2651 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2656 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2657 (set -C; exec > $tmp) 2>/dev/null ||
2658 die "Unable to create temporary file in $TMPDIR."
2659 append TMPFILES $tmp
2663 trap 'rm -f -- $TMPFILES' EXIT
2668 tmpfile TMPE $EXESUF
2679 # make sure we can execute files in $TMPDIR
2680 cat > $TMPSH 2>> $logfile <<EOF
2683 chmod +x $TMPSH >> $logfile 2>&1
2684 if ! $TMPSH >> $logfile 2>&1; then
2686 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2687 variable to another directory and make sure that it is not mounted noexec.
2689 die "Sanity test failed."
2695 -std=c99) echo -c99 ;;
2696 -mcpu=*) echo -arch ${flag#*=} ;;
2697 -mieee) echo -ieee ;;
2698 -O*|-fast) echo $flag ;;
2699 -fno-math-errno) echo -assume nomath_errno ;;
2701 -Wall) echo -msg_enable level2 ;;
2702 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2703 -Wl,*) echo $flag ;;
2710 msvc_common_flags(){
2713 # In addition to specifying certain flags under the compiler
2714 # specific filters, they must be specified here as well or else the
2715 # generic catch all at the bottom will print the original flag.
2719 -fomit-frame-pointer) ;;
2723 -fno-signed-zeros) ;;
2727 -lz) echo zlib.lib ;;
2728 -lavifil32) echo vfw32.lib ;;
2729 -lavicap32) echo vfw32.lib user32.lib ;;
2730 -l*) echo ${flag#-l}.lib ;;
2737 msvc_common_flags "$@"
2740 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2741 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2742 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2750 msvc_common_flags "$@"
2753 # Despite what Intel's documentation says -Wall, which is supported
2754 # on Windows, does enable remarks so disable them here.
2755 -Wall) echo $flag -Qdiag-disable:remark ;;
2756 -std=c99) echo -Qstd=c99 ;;
2764 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2765 -fomit-frame-pointer) echo -Mnoframe ;;
2776 case "${flag#*=}" in
2777 native) echo -xtarget=native ;;
2778 v9|niagara) echo -xarch=sparc ;;
2779 ultrasparc) echo -xarch=sparcvis ;;
2780 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2781 i586|pentium) echo -xchip=pentium ;;
2782 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2783 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2784 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2785 pentium4*) echo -xtarget=pentium4 ;;
2786 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2787 *-sse3) echo -xarch=sse3 ;;
2788 core2) echo -xarch=ssse3 -xchip=core2 ;;
2789 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2790 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2791 amdfam10|barcelona) echo -xtarget=barcelona ;;
2792 bdver*) echo -xarch=avx ;;
2793 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2794 k8|opteron|athlon64|athlon-fx)
2795 echo -xarch=sse2a ;;
2796 athlon*) echo -xarch=pentium_proa ;;
2799 -std=c99) echo -xc99 ;;
2800 -fomit-frame-pointer) echo -xregs=frameptr ;;
2801 -fPIC) echo -KPIC -xcode=pic32 ;;
2802 -W*,*) echo $flag ;;
2803 -f*-*|-W*|-mimpure-text) ;;
2814 case "${flag#*=}" in
2815 armv7-a|cortex-a*) echo -mv=7a8 ;;
2816 armv7-r|cortex-r*) echo -mv=7r4 ;;
2817 armv7-m|cortex-m*) echo -mv=7m3 ;;
2818 armv6*|arm11*) echo -mv=6 ;;
2819 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2821 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2824 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2825 -mfpu=vfp) echo --float_support=vfpv2 ;;
2826 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2827 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2828 -msoft-float) echo --float_support=vfplib ;;
2829 -O[0-3]|-mf=*) echo $flag ;;
2831 -pds=*) echo $flag ;;
2832 -D*|-I*) echo $flag ;;
2833 --gcc|--abi=*) echo $flag ;;
2843 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2844 unset _ld_o _ldflags _ld_lib _ld_path
2845 unset _depflags _DEPCMD _DEPFLAGS
2848 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2850 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2851 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2852 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2855 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2857 gcc_version=$($_cc --version | head -n1)
2858 gcc_basever=$($_cc -dumpversion)
2859 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2860 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2861 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2862 if ! $_cc -dumpversion | grep -q '^2\.'; then
2863 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2867 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2869 _ident=$($_cc --version | head -n1)
2874 elif $_cc -v 2>&1 | grep -q xlc; then
2876 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2878 _cflags_size='-O5 -qcompact'
2879 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2881 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2883 _cflags_speed='-fast'
2885 _flags_filter=ccc_flags
2886 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2887 test -d "$sysroot" || die "No valid sysroot specified."
2889 _ident=$($_cc --vsn | head -n1)
2890 armcc_conf="$PWD/armcc.conf"
2891 $_cc --arm_linux_configure \
2892 --arm_linux_config_file="$armcc_conf" \
2893 --configure_sysroot="$sysroot" \
2894 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2895 die "Error creating armcc configuration file."
2896 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2897 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2898 as_default="${cross_prefix}gcc"
2902 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2904 _ident=$($_cc -version | head -n1 | tr -s ' ')
2905 _flags='--gcc --abi=eabi -me'
2908 _depflags='-ppa -ppd=$(@:.o=.d)'
2909 _cflags_speed='-O3 -mf=5'
2910 _cflags_size='-O3 -mf=2'
2911 _flags_filter=tms470_flags
2912 elif $_cc -v 2>&1 | grep -q clang; then
2914 _ident=$($_cc --version | head -n1)
2918 elif $_cc -V 2>&1 | grep -q Sun; then
2920 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2921 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2922 _DEPFLAGS='-xM1 -xc99'
2925 _cflags_size='-O5 -xspace'
2926 _flags_filter=suncc_flags
2927 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2929 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2930 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2933 _flags_filter='filter_out -Wdisabled-optimization'
2934 elif $_cc -v 2>&1 | grep -q Open64; then
2936 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2937 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2940 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2941 elif $_cc -V 2>&1 | grep -q Portland; then
2943 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2944 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2945 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2946 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2948 _flags_filter=pgi_flags
2949 elif $_cc 2>&1 | grep -q Microsoft; then
2951 _ident=$($cc 2>&1 | head -n1)
2952 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2953 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2956 # Nonstandard output options, to avoid msys path conversion issues.
2957 # Relies on wrapper to remap it.
2958 if $_cc 2>&1 | grep -q Linker; then
2965 _flags_filter=msvc_flags
2967 _ld_path='-libpath:'
2969 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2970 if [ $pfx = hostcc ]; then
2971 append _cflags -Dsnprintf=_snprintf
2974 elif $_cc 2>&1 | grep -q Intel; then
2976 _ident=$($cc 2>&1 | head -n1)
2977 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
2978 # Not only is O3 broken on 13.x+ but it is slower on all previous
2979 # versions (tested) as well.
2981 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
2982 # Nonstandard output options, to avoid msys path conversion issues.
2983 # Relies on wrapper to remap it.
2984 if $_cc 2>&1 | grep -q Linker; then
2991 _flags_filter=icl_flags
2993 _ld_path='-libpath:'
2994 # -Qdiag-error to make icl error when seeing certain unknown arguments
2995 _flags='-nologo -Qdiag-error:4044,10157'
2996 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2997 # with MSVC which enables it by default.
2998 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
2999 if [ $pfx = hostcc ]; then
3000 append _cflags -Dsnprintf=_snprintf
3004 eval ${pfx}_type=\$_type
3005 eval ${pfx}_ident=\$_ident
3009 eval ${1}_C=\${_cc_c-\${${1}_C}}
3010 eval ${1}_E=\${_cc_e-\${${1}_E}}
3011 eval ${1}_O=\${_cc_o-\${${1}_O}}
3013 if [ -n "$_depflags" ]; then
3014 eval ${1}_DEPFLAGS=\$_depflags
3016 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3017 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3018 eval DEP${1}FLAGS=\$_flags
3023 cflags_filter=$_flags_filter
3024 cflags_speed=$_cflags_speed
3025 cflags_size=$_cflags_size
3026 cflags_noopt=$_cflags_noopt
3027 add_cflags $_flags $_cflags
3028 cc_ldflags=$_ldflags
3031 probe_cc hostcc "$host_cc"
3032 host_cflags_filter=$_flags_filter
3033 add_host_cflags $_flags $_cflags
3036 test -n "$cc_type" && enable $cc_type ||
3037 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3039 : ${as_default:=$cc}
3040 : ${dep_cc_default:=$cc}
3041 : ${ld_default:=$cc}
3042 : ${host_ld_default:=$host_cc}
3043 set_default ar as dep_cc ld host_ld
3046 asflags_filter=$_flags_filter
3047 add_asflags $_flags $_cflags
3051 ldflags_filter=$_flags_filter
3052 add_ldflags $_flags $_ldflags
3053 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3055 LD_LIB=${_ld_lib-$LD_LIB}
3056 LD_PATH=${_ld_path-$LD_PATH}
3058 probe_cc hostld "$host_ld"
3059 host_ldflags_filter=$_flags_filter
3060 add_host_ldflags $_flags $_ldflags
3061 HOSTLD_O=${_ld_o-$HOSTLD_O}
3063 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3064 probe_cc depcc "$dep_cc"
3065 CCDEP=${_DEPCMD:-$DEPCMD}
3066 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3070 if $ar 2>&1 | grep -q Microsoft; then
3073 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3076 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3077 arflags='-Xany -r -c'
3084 add_cflags $extra_cflags
3085 add_cxxflags $extra_cxxflags
3086 add_asflags $extra_cflags
3088 if test -n "$sysroot"; then
3091 add_cppflags --sysroot="$sysroot"
3092 add_ldflags --sysroot="$sysroot"
3095 add_cppflags -I"$sysinclude"
3096 add_ldflags --sysroot="$sysroot"
3101 if test "$cpu" = host; then
3102 enabled cross_compile &&
3103 die "--cpu=host makes no sense when cross-compiling."
3108 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3110 s/.*$1=\\([^ ]*\\).*/\\1/
3115 cpu=$(check_native -march || check_native -mcpu)
3119 test "${cpu:-host}" = host &&
3120 die "--cpu=host not supported with compiler $cc"
3123 # Deal with common $arch aliases
3137 "Power Macintosh"|ppc*|powerpc*)
3152 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3157 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3160 # Add processor-specific flags
3161 if enabled aarch64; then
3165 cpuflags="-march=$cpu"
3168 cpuflags="-mcpu=$cpu"
3172 elif enabled alpha; then
3174 cpuflags="-mcpu=$cpu"
3176 elif enabled arm; then
3179 check_cpp_condition stddef.h \
3180 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3185 if check_arm_arch 4; then echo armv4;
3186 elif check_arm_arch 4T; then echo armv4t;
3187 elif check_arm_arch 5; then echo armv5;
3188 elif check_arm_arch 5E; then echo armv5e;
3189 elif check_arm_arch 5T; then echo armv5t;
3190 elif check_arm_arch 5TE; then echo armv5te;
3191 elif check_arm_arch 5TEJ; then echo armv5te;
3192 elif check_arm_arch 6; then echo armv6;
3193 elif check_arm_arch 6J; then echo armv6j;
3194 elif check_arm_arch 6K; then echo armv6k;
3195 elif check_arm_arch 6Z; then echo armv6z;
3196 elif check_arm_arch 6ZK; then echo armv6zk;
3197 elif check_arm_arch 6T2; then echo armv6t2;
3198 elif check_arm_arch 7; then echo armv7;
3199 elif check_arm_arch 7A 7_A; then echo armv7-a;
3200 elif check_arm_arch 7R 7_R; then echo armv7-r;
3201 elif check_arm_arch 7M 7_M; then echo armv7-m;
3202 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3203 elif check_arm_arch 8A 8_A; then echo armv8-a;
3207 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3211 cpuflags="-march=$cpu"
3212 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3215 cpuflags="-mcpu=$cpu"
3217 cortex-a*) subarch=armv7a ;;
3218 cortex-r*) subarch=armv7r ;;
3219 cortex-m*) enable thumb; subarch=armv7m ;;
3220 arm11*) subarch=armv6 ;;
3221 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3222 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3223 *) subarch=$(probe_arm_arch) ;;
3229 armv5t*) enable fast_clz ;;
3230 armv[6-8]*) enable fast_clz fast_unaligned ;;
3233 elif enabled avr32; then
3238 cpuflags="-mpart=$cpu"
3242 cpuflags="-march=$cpu"
3246 cpuflags="-mcpu=$cpu"
3250 cpuflags="-march=$cpu"
3254 elif enabled bfin; then
3256 cpuflags="-mcpu=$cpu"
3258 elif enabled mips; then
3260 cpuflags="-march=$cpu"
3276 24kef*|34kf*|1004kf*)
3284 elif enabled ppc; then
3286 case $(tolower $cpu) in
3287 601|ppc601|powerpc601)
3288 cpuflags="-mcpu=601"
3291 603*|ppc603*|powerpc603*)
3292 cpuflags="-mcpu=603"
3295 604*|ppc604*|powerpc604*)
3296 cpuflags="-mcpu=604"
3299 g3|75*|ppc75*|powerpc75*)
3300 cpuflags="-mcpu=750"
3303 g4|745*|ppc745*|powerpc745*)
3304 cpuflags="-mcpu=7450"
3306 74*|ppc74*|powerpc74*)
3307 cpuflags="-mcpu=7400"
3309 g5|970|ppc970|powerpc970)
3310 cpuflags="-mcpu=970"
3313 cpuflags="-mcpu=$cpu"
3316 cpuflags="-mcpu=cell"
3320 cpuflags="-mcpu=e500mc"
3324 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3328 cpuflags="-mcpu=8540 -mhard-float"
3333 elif enabled sparc; then
3336 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3337 cpuflags="-mcpu=$cpu"
3340 ultrasparc*|niagara[234])
3341 cpuflags="-mcpu=$cpu"
3345 elif enabled x86; then
3349 cpuflags="-march=$cpu"
3352 # targets that do NOT support nopl and conditional mov (cmov)
3353 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3354 cpuflags="-march=$cpu"
3357 # targets that do support nopl and conditional mov (cmov)
3358 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*)
3359 cpuflags="-march=$cpu"
3363 # targets that do support conditional mov but on which it's slow
3364 pentium4|pentium4m|prescott|nocona)
3365 cpuflags="-march=$cpu"
3373 if [ "$cpu" != generic ]; then
3374 add_cflags $cpuflags
3375 add_asflags $cpuflags
3378 # compiler sanity check
3380 int main(void){ return 0; }
3382 if test "$?" != 0; then
3383 echo "$cc is unable to create an executable file."
3384 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3385 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3386 echo "Only do this if you know what cross compiling means."
3388 die "C compiler test failed."
3391 add_cppflags -D_ISOC99_SOURCE
3392 add_cxxflags -D__STDC_CONSTANT_MACROS
3393 check_cflags -std=c99
3394 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3397 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3401 check_host_cflags -std=c99
3402 check_host_cflags -Wall
3408 check_code cc "" "int test[2*($expr) - 1]" &&
3409 subarch=$arch64 || subarch=$arch32
3417 check_64bit mips mips64 '_MIPS_SIM > 1'
3421 check_64bit parisc parisc64 'sizeof(void *) > 4'
3425 check_64bit ppc ppc64 'sizeof(void *) > 4'
3429 check_64bit sparc sparc64 'sizeof(void *) > 4'
3433 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3434 if test "$subarch" = "x86_64"; then
3439 check_cc <<EOF && subarch="ppc64"
3440 int test[(int)sizeof(char*) - 7];
3446 enabled spic && enable_weak pic
3452 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3453 enabled shared && add_ldflags -Wl,-brtl
3456 prefix_default="/boot/common"
3457 network_extralibs="-lnetwork"
3461 SHFLAGS='-shared -Wl,-h,$$(@F)'
3462 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3463 network_extralibs="-lsocket -lnsl"
3464 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3465 # When using suncc to build, the Solaris linker will mark
3466 # an executable with each instruction set encountered by
3467 # the Solaris assembler. As our libraries contain their own
3468 # guards for processor-specific code, instead suppress
3469 # generation of the HWCAPS ELF section on Solaris x86 only.
3470 enabled_all suncc x86 &&
3471 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3472 add_ldflags -Wl,-M,mapfile
3473 nm_default='nm -P -g'
3477 oss_indev_extralibs="-lossaudio"
3478 oss_outdev_extralibs="-lossaudio"
3479 enabled gcc || check_ldflags -Wl,-zmuldefs
3484 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3486 oss_indev_extralibs="-lossaudio"
3487 oss_outdev_extralibs="-lossaudio"
3495 add_extralibs -lpoll -lgnugetopt
3499 gas="gas-preprocessor.pl $cc"
3500 enabled ppc && add_asflags -force_cpusubtype_ALL
3501 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3502 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3504 add_ldflags -Wl,-dynamic,-search_paths_first
3506 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3507 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3509 enabled x86_64 && objformat="macho64"
3510 enabled_any pic shared ||
3511 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3514 if test $target_os = "mingw32ce"; then
3520 if enabled x86_64; then
3521 LIBTARGET="i386:x86-64"
3522 elif enabled arm; then
3525 check_ldflags -Wl,--nxcompat
3526 check_ldflags -Wl,--dynamicbase
3527 shlibdir_default="$bindir_default"
3530 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3531 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3532 dlltool="${cross_prefix}dlltool"
3533 if check_cmd lib.exe -list; then
3534 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3535 if enabled x86_64; then
3538 elif check_cmd $dlltool --version; then
3539 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3541 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3543 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3544 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3545 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3551 if enabled shared; then
3552 # Link to the import library instead of the normal static library
3555 # Cannot build both shared and static libs with MSVC or icl.
3558 shlibdir_default="$bindir_default"
3561 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3562 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3563 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3564 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3566 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3567 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3568 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3575 shlibdir_default="$bindir_default"
3578 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3579 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3580 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3582 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3583 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3587 *-dos|freedos|opendos)
3588 network_extralibs="-lsocket"
3591 add_cppflags -U__STRICT_ANSI__
3598 ranlib="echo ignoring ranlib"
3604 add_cppflags -D_GNU_SOURCE
3605 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3606 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3610 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3611 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3612 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3613 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3614 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3615 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3616 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3617 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3618 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3619 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3620 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3622 enable_weak os2threads
3625 add_cppflags -D_BSD_SOURCE
3630 add_cppflags -D_QNX_SOURCE
3631 network_extralibs="-lsocket"
3636 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3637 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3638 add_ldflags -Wl,--target1-abs,--no-undefined \
3639 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3640 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3641 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3642 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3643 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3646 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3651 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3652 -D_REENTRANT_SOURCE \
3653 -D_RESEARCH_SOURCE \
3656 add_compat strtod.o strtod=avpriv_strtod
3657 network_extralibs='-lbsd'
3658 exeobjs=compat/plan9/main.o
3665 die "Unknown OS '$target_os'."
3669 # determine libc flavour
3671 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3672 if check_cpp_condition features.h "defined __UCLIBC__"; then
3674 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3675 elif check_cpp_condition features.h "defined __GLIBC__"; then
3677 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3678 # MinGW headers can be installed on Cygwin, so check for newlib first.
3679 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3681 add_cppflags -U__STRICT_ANSI__
3682 elif check_header _mingw.h; then
3684 check_cpp_condition _mingw.h \
3685 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3686 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3687 die "ERROR: MinGW runtime version must be >= 3.15."
3688 add_cppflags -U__STRICT_ANSI__
3689 if check_cpp_condition _mingw.h "defined(__MINGW64_VERSION_MAJOR) && \
3690 __MINGW64_VERSION_MAJOR < 3"; then
3691 add_compat msvcrt/snprintf.o
3692 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3694 add_cppflags -D__USE_MINGW_ANSI_STDIO=1
3696 elif check_func_headers stdlib.h _get_doserrno; then
3698 add_compat strtod.o strtod=avpriv_strtod
3699 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3700 _snprintf=avpriv_snprintf \
3701 vsnprintf=avpriv_vsnprintf
3702 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3703 # 0x601 by default unless something else is set by the user.
3704 # This can easily lead to us detecting functions only present
3705 # in such new versions and producing binaries requiring windows 7.0.
3706 # Therefore explicitly set the default to XP unless the user has
3707 # set something else on the command line.
3708 check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
3709 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3711 elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3713 add_compat strtod.o strtod=avpriv_strtod
3716 test -n "$libc_type" && enable $libc_type
3718 # hacks for compiler/libc/os combinations
3720 if enabled_all tms470 glibc; then
3721 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3722 add_cppflags -D__USER_LABEL_PREFIX__=
3723 add_cppflags -D__builtin_memset=memset
3724 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3725 add_cflags -pds=48 # incompatible redefinition of macro
3728 if enabled_all ccc glibc; then
3729 add_ldflags -Wl,-z,now # calls to libots crash without this
3733 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3736 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3738 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3740 set_default $PATHS_LIST
3743 # we need to build at least one lib type
3744 if ! enabled_any static shared; then
3746 At least one library type must be built.
3747 Specify --enable-static to build the static libraries or --enable-shared to
3748 build the shared libraries as well. To only build the shared libraries specify
3749 --disable-static in addition to --enable-shared.
3754 # backward compatibility layer for incompatible_libav/fork_abi
3755 enabled incompatible_fork_abi && enable incompatible_libav_abi
3756 enabled incompatible_libav_abi && enable incompatible_fork_abi
3758 die_license_disabled() {
3759 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3762 die_license_disabled_gpl() {
3763 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3766 die_license_disabled gpl frei0r
3767 die_license_disabled gpl libcdio
3768 die_license_disabled gpl libutvideo
3769 die_license_disabled gpl libvidstab
3770 die_license_disabled gpl libx264
3771 die_license_disabled gpl libxavs
3772 die_license_disabled gpl libxvid
3773 die_license_disabled gpl libzvbi
3774 die_license_disabled gpl x11grab
3776 die_license_disabled nonfree libaacplus
3777 die_license_disabled nonfree libfaac
3778 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3779 enabled gpl && die_license_disabled_gpl nonfree openssl
3781 die_license_disabled version3 libopencore_amrnb
3782 die_license_disabled version3 libopencore_amrwb
3783 die_license_disabled version3 libvo_aacenc
3784 die_license_disabled version3 libvo_amrwbenc
3786 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3788 disabled optimizations || check_cflags -fomit-frame-pointer
3791 disabled pic && return
3794 case "$target_os" in
3804 enabled pic && enable_weak_pic
3806 check_cc <<EOF || die "Symbol mangling check failed."
3809 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3810 extern_prefix=${sym%%ff_extern*}
3812 check_cc <<EOF && enable_weak inline_asm
3813 void foo(void) { __asm__ volatile ("" ::); }
3817 for restrict_keyword in restrict __restrict__ __restrict; do
3818 check_cc <<EOF && _restrict=$restrict_keyword && break
3819 void foo(char * $restrict_keyword p);
3823 check_cc <<EOF && enable pragma_deprecated
3824 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3827 check_cc <<EOF && enable attribute_packed
3828 struct { int x; } __attribute__((packed)) x;
3831 check_cc <<EOF && enable attribute_may_alias
3832 union { int x; } __attribute__((may_alias)) x;
3835 check_cc <<EOF || die "endian test failed"
3836 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3838 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3840 check_inline_asm inline_asm_labels '"1:\n"'
3842 if enabled alpha; then
3846 elif enabled arm; then
3848 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
3849 float func(float a, float b){ return a+b; }
3852 enabled thumb && check_cflags -mthumb || check_cflags -marm
3855 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3857 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3858 case "${cross_prefix:-$cc}" in
3859 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3860 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3861 __asm__ (".eabi_attribute 28, 1");
3862 int main(void) { return 0; }
3865 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3868 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3869 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3870 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3871 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
3872 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
3873 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3875 [ $target_os = linux ] ||
3876 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3879 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3880 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3882 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
3884 elif enabled mips; then
3886 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3887 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
3888 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
3889 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3890 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3891 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3892 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3893 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
3894 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
3896 elif enabled parisc; then
3898 if enabled gcc; then
3899 case $($cc -dumpversion) in
3900 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3904 elif enabled ppc; then
3906 enable local_aligned_8 local_aligned_16
3908 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3909 check_inline_asm ibm_asm '"add 0, 0, 0"'
3910 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3911 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3913 # AltiVec flags: The FSF version of GCC differs from the Apple version
3914 if enabled altivec; then
3915 if ! enabled_any pic ppc64; then
3918 check_cflags -maltivec -mabi=altivec &&
3919 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3920 check_cflags -faltivec
3922 # check if our compiler supports Motorola AltiVec C API
3923 check_cc <<EOF || disable altivec
3926 vector signed int v1 = (vector signed int) { 0 };
3927 vector signed int v2 = (vector signed int) { 1 };
3928 v1 = vec_add(v1, v2);
3933 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3936 elif enabled sparc; then
3938 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
3940 elif enabled x86; then
3942 check_builtin rdtsc intrin.h "__rdtsc()"
3943 check_builtin mm_empty mmintrin.h "_mm_empty()"
3945 enable local_aligned_8 local_aligned_16
3947 # check whether EBP is available on x86
3948 # As 'i' is stored on the stack, this program will crash
3949 # if the base pointer is used to access it because the
3950 # base pointer is cleared in the inline assembly code.
3951 check_exec_crash <<EOF && enable ebp_available
3953 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3957 # check whether EBX is available on x86
3958 check_inline_asm ebx_available '""::"b"(0)' &&
3959 check_inline_asm ebx_available '"":::"%ebx"'
3961 # check whether xmm clobbers are supported
3962 check_inline_asm xmm_clobbers '"":::"%xmm0"'
3964 # check whether binutils is new enough to compile SSSE3/MMXEXT
3965 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3966 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3968 if ! disabled_any asm mmx yasm; then
3969 if check_cmd $yasmexe --version; then
3970 enabled x86_64 && yasm_extra="-m amd64"
3971 yasm_debug="-g dwarf2"
3972 elif check_cmd nasm -v; then
3974 yasm_debug="-g -F dwarf"
3975 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3978 YASMFLAGS="-f $objformat $yasm_extra"
3979 enabled pic && append YASMFLAGS "-DPIC"
3980 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3981 case "$objformat" in
3982 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3985 check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3986 die "yasm not found, use --disable-yasm for a crippled build"
3987 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
3988 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3989 check_yasm "CPU amdnop" && enable cpunop
3993 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4000 if enabled asm; then
4002 check_as <<EOF && enable gnu_as || \
4003 $nogas "GNU assembler not found, install gas-preprocessor"
4011 check_ldflags -Wl,--as-needed
4013 if check_func dlopen; then
4015 elif check_func dlopen -ldl; then
4019 if ! disabled network; then
4020 check_type "sys/types.h sys/socket.h" socklen_t
4021 check_type netdb.h "struct addrinfo"
4022 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4023 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4024 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4025 check_type netinet/in.h "struct sockaddr_in6"
4026 check_type poll.h "struct pollfd"
4027 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4028 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4029 check_type netinet/sctp.h "struct sctp_event_subscribe"
4030 check_func getaddrinfo $network_extralibs
4031 check_func getservbyport $network_extralibs
4032 # Prefer arpa/inet.h over winsock2
4033 if check_header arpa/inet.h ; then
4034 check_func closesocket
4035 elif check_header winsock2.h ; then
4036 check_func_headers winsock2.h closesocket -lws2 &&
4037 network_extralibs="-lws2" ||
4038 { check_func_headers winsock2.h closesocket -lws2_32 &&
4039 network_extralibs="-lws2_32"; }
4040 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4041 check_type ws2tcpip.h socklen_t
4042 check_type ws2tcpip.h "struct addrinfo"
4043 check_type ws2tcpip.h "struct group_source_req"
4044 check_type ws2tcpip.h "struct ip_mreq_source"
4045 check_type ws2tcpip.h "struct ipv6_mreq"
4046 check_type winsock2.h "struct pollfd"
4047 check_type ws2tcpip.h "struct sockaddr_in6"
4048 check_type ws2tcpip.h "struct sockaddr_storage"
4049 check_struct winsock2.h "struct sockaddr" sa_len
4055 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4056 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4059 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4062 check_func_headers stdlib.h getenv
4063 check_func gethrtime
4065 check_func getrusage
4066 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4067 check_func gettimeofday
4068 check_func inet_aton $network_extralibs
4070 check_func localtime_r
4071 check_func ${malloc_prefix}memalign && enable memalign
4075 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4076 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4077 check_func setrlimit
4078 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4079 check_func strerror_r
4080 check_func sched_getaffinity
4081 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4082 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4083 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4084 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4085 check_builtin sarestart signal.h "SA_RESTART"
4089 check_func_headers conio.h kbhit
4090 check_func_headers windows.h PeekNamedPipe
4091 check_func_headers io.h setmode
4092 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4093 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4094 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4095 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4096 check_func_headers windows.h GetProcessAffinityMask
4097 check_func_headers windows.h GetProcessTimes
4098 check_func_headers windows.h GetSystemTimeAsFileTime
4099 check_func_headers windows.h MapViewOfFile
4100 check_func_headers windows.h SetConsoleTextAttribute
4101 check_func_headers windows.h Sleep
4102 check_func_headers windows.h VirtualAlloc
4103 check_func_headers glob.h glob
4104 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4106 check_header cl/cl.h
4107 check_header direct.h
4108 check_header dlfcn.h
4110 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4112 check_header libcrystalhd/libcrystalhd_if.h
4113 check_header malloc.h
4115 check_header sys/mman.h
4116 check_header sys/param.h
4117 check_header sys/resource.h
4118 check_header sys/select.h
4119 check_header sys/time.h
4120 check_header sys/un.h
4121 check_header termios.h
4122 check_header unistd.h
4123 check_header vdpau/vdpau.h
4124 check_header vdpau/vdpau_x11.h
4125 check_header VideoDecodeAcceleration/VDADecoder.h
4126 check_header windows.h
4127 check_header X11/extensions/XvMClib.h
4128 check_header asm/types.h
4130 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4131 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4133 if ! disabled w32threads && ! enabled pthreads; then
4134 check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
4137 # check for some common methods of building with pthread support
4138 # do this before the optional library checks as some of them require pthreads
4139 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4141 if check_func pthread_create; then
4143 elif check_func pthread_create -pthread; then
4145 add_extralibs -pthread
4146 elif check_func pthread_create -pthreads; then
4147 add_cflags -pthreads
4148 add_extralibs -pthreads
4149 elif check_func pthread_create -lpthreadGC2; then
4150 add_extralibs -lpthreadGC2
4151 elif ! check_lib pthread.h pthread_create -lpthread; then
4156 for thread in $THREADS_LIST; do
4157 if enabled $thread; then
4158 test -n "$thread_type" &&
4159 die "ERROR: Only one thread type must be selected." ||
4160 thread_type="$thread"
4164 if enabled pthreads; then
4165 check_func pthread_cancel
4168 enabled sync_val_compare_and_swap && enable atomics_gcc
4169 enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc
4170 enabled MemoryBarrier && enable atomics_win32
4172 check_lib math.h sin -lm && LIBM="-lm"
4173 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4179 for func in $MATH_FUNCS; do
4180 eval check_mathfunc $func \${${func}_args:-1}
4183 # these are off by default, so fail if requested and not available
4184 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4185 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4186 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4187 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4188 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4189 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4190 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4191 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4192 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4193 enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
4194 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4195 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4196 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4197 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4198 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4199 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4200 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"
4201 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4202 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
4203 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4204 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4205 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4206 done || die "ERROR: libgsm not found"; }
4207 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4208 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4209 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4210 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4211 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4212 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4213 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4214 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4215 check_lib openjpeg.h opj_version -lopenjpeg ||
4216 die "ERROR: libopenjpeg not found"; }
4217 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4218 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4219 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4220 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4221 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4222 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4223 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4224 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4225 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4226 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4227 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4228 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4229 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4230 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4231 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4232 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4233 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4234 enabled libvidstab && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit
4235 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4236 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4237 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4239 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4240 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4241 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 ||
4242 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4243 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4244 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
4245 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4246 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4247 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4248 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4249 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4250 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4251 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4252 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4253 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4254 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4255 die "ERROR: openal not found"; } &&
4256 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4257 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4258 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4259 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4260 die "ERROR: opencl not found"; } &&
4261 { enabled_any w32threads os2threads &&
4262 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4263 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4264 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4265 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4266 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4267 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4268 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4269 die "ERROR: openssl not found"; }
4271 if enabled gnutls; then
4272 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4273 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4277 if enabled libdc1394; then
4278 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4279 enable libdc1394_2; } ||
4280 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4281 enable libdc1394_1; } ||
4282 die "ERROR: No version of libdc1394 found "
4285 SDL_CONFIG="${cross_prefix}sdl-config"
4286 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4287 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4288 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4291 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4292 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4293 sdl_libs=$("${SDL_CONFIG}" --libs)
4294 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4295 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4296 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4300 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4302 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4303 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4304 perl --version > /dev/null 2>&1 && enable perl || disable perl
4305 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4306 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4308 check_header linux/fb.h
4309 check_header linux/videodev.h
4310 check_header linux/videodev2.h
4311 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4313 check_header sys/videoio.h
4315 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4316 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4317 # w32api 3.12 had it defined wrong
4318 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4320 check_type "dshow.h" IBaseFilter
4322 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4323 { check_header dev/bktr/ioctl_meteor.h &&
4324 check_header dev/bktr/ioctl_bt848.h; } ||
4325 { check_header machine/ioctl_meteor.h &&
4326 check_header machine/ioctl_bt848.h; } ||
4327 { check_header dev/video/meteor/ioctl_meteor.h &&
4328 check_header dev/video/bktr/ioctl_bt848.h; } ||
4329 check_header dev/ic/bt8xx.h
4331 check_header sndio.h
4332 if check_struct sys/soundcard.h audio_buf_info bytes; then
4333 enable_safe sys/soundcard.h
4335 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4336 #include <sys/soundcard.h>
4340 check_header soundcard.h
4342 enabled_any alsa_indev alsa_outdev &&
4343 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4345 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4346 check_func jack_port_get_latency_range -ljack
4348 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4350 if enabled libcdio; then
4351 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4352 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4353 die "ERROR: libcdio-paranoia not found"
4357 require X11 X11/Xlib.h XOpenDisplay -lX11 &&
4358 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4359 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
4362 check_lib va/va.h vaInitialize -lva ||
4366 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4369 # Funny iconv installations are not unusual, so check it after all flags have been set
4370 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4372 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4374 # add some useful compiler flags if supported
4375 check_cflags -Wdeclaration-after-statement
4377 check_cflags -Wno-parentheses
4378 check_cflags -Wno-switch
4379 check_cflags -Wno-format-zero-length
4380 check_cflags -Wdisabled-optimization
4381 check_cflags -Wpointer-arith
4382 check_cflags -Wredundant-decls
4383 check_cflags -Wno-pointer-sign
4384 check_cflags -Wwrite-strings
4385 check_cflags -Wtype-limits
4386 check_cflags -Wundef
4387 check_cflags -Wmissing-prototypes
4388 check_cflags -Wno-pointer-to-int-cast
4389 check_cflags -Wstrict-prototypes
4390 enabled extra_warnings && check_cflags -Winline
4392 # add some linker flags
4393 check_ldflags -Wl,--warn-common
4394 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4395 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4397 enabled xmm_clobber_test &&
4398 check_ldflags -Wl,--wrap,avcodec_open2 \
4399 -Wl,--wrap,avcodec_decode_audio4 \
4400 -Wl,--wrap,avcodec_decode_video2 \
4401 -Wl,--wrap,avcodec_decode_subtitle2 \
4402 -Wl,--wrap,avcodec_encode_audio2 \
4403 -Wl,--wrap,avcodec_encode_video2 \
4404 -Wl,--wrap,avcodec_encode_subtitle \
4405 -Wl,--wrap,sws_scale ||
4406 disable xmm_clobber_test
4409 if test_ldflags -Wl,--version-script,$TMPV; then
4410 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4411 check_cc <<EOF && enable symver_asm_label
4412 void ff_foo(void) __asm__ ("av_foo@VERSION");
4413 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4415 check_cc <<EOF && enable symver_gnu_asm
4416 __asm__(".symver ff_foo,av_foo@VERSION");
4417 void ff_foo(void) {}
4421 if [ -z "$optflags" ]; then
4422 if enabled small; then
4423 optflags=$cflags_size
4424 elif enabled optimizations; then
4425 optflags=$cflags_speed
4427 optflags=$cflags_noopt
4433 enabled lto && check_ldflags "$@"
4437 if enabled lto; then
4438 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4440 check_ldflags -flto $cpuflags
4443 check_optflags $optflags
4444 check_optflags -fno-math-errno
4445 check_optflags -fno-signed-zeros
4447 enabled ftrapv && check_cflags -ftrapv
4449 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4454 if enabled icc; then
4455 # Just warnings, no remarks
4457 # -wd: Disable following warnings
4458 # 144, 167, 556: -Wno-pointer-sign
4459 # 188: enumerated type mixed with another type
4460 # 1292: attribute "foo" ignored
4461 # 1419: external declaration in primary source file
4462 # 10006: ignoring unknown option -fno-signed-zeros
4463 # 10148: ignoring unknown option -Wno-parentheses
4464 # 10156: ignoring option '-W'; no argument required
4465 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4466 # 11030: Warning unknown option --as-needed
4467 # 10156: ignoring option '-export'; no argument required
4468 check_ldflags -wd10156,11030
4469 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4470 enable ebp_available
4471 if enabled x86_32; then
4472 icc_version=$($cc -dumpversion)
4473 test ${icc_version%%.*} -ge 11 &&
4474 check_cflags -falign-stack=maintain-16-byte ||
4475 disable aligned_stack
4477 elif enabled ccc; then
4478 # disable some annoying warnings
4479 add_cflags -msg_disable bitnotint
4480 add_cflags -msg_disable mixfuncvoid
4481 add_cflags -msg_disable nonstandcast
4482 add_cflags -msg_disable unsupieee
4483 elif enabled gcc; then
4484 check_optflags -fno-tree-vectorize
4485 check_cflags -Werror=implicit-function-declaration
4486 check_cflags -Werror=missing-prototypes
4487 check_cflags -Werror=return-type
4488 check_cflags -Werror=vla
4489 elif enabled llvm_gcc; then
4490 check_cflags -mllvm -stack-alignment=16
4491 elif enabled clang; then
4492 check_cflags -mllvm -stack-alignment=16
4493 check_cflags -Qunused-arguments
4494 check_cflags -Werror=implicit-function-declaration
4495 check_cflags -Werror=missing-prototypes
4496 check_cflags -Werror=return-type
4497 elif enabled armcc; then
4498 # 2523: use of inline assembler is deprecated
4499 add_cflags -W${armcc_opt},--diag_suppress=2523
4500 add_cflags -W${armcc_opt},--diag_suppress=1207
4501 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4502 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4503 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4504 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4505 elif enabled tms470; then
4506 add_cflags -pds=824 -pds=837
4507 elif enabled pathscale; then
4508 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4509 elif enabled_any msvc icl; then
4510 enabled x86_32 && disable aligned_stack
4511 enabled_all x86_32 debug && add_cflags -Oy-
4512 enabled debug && add_ldflags -debug
4513 if enabled icl; then
4514 # basically -fstrict-aliasing that does not work (correctly) on icl 13.x
4515 check_cpp_condition "windows.h" "__ICL < 1300" && add_cflags -Qansi-alias
4516 # icl will pass the inline asm tests but inline asm is currently
4517 # not supported (build will fail)
4524 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4527 add_cppflags -Dmain=plan9_main
4531 enable frame_thread_encoder
4532 enabled_any $THREADS_LIST && enable threads
4533 enabled_any $ATOMICS_LIST && enable atomics_native
4535 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4537 check_deps $CONFIG_LIST \
4543 if test $target_os = "haiku"; then
4545 disable posix_memalign
4548 ! enabled_any memalign posix_memalign aligned_malloc &&
4549 enabled_any $need_memalign && enable memalign_hack
4552 # -> enable ${lib}_deps_${dep}
4553 # -> add $dep to ${lib}_deps only once
4557 enabled "${lib}_deps_${dep}" && return 0
4558 enable "${lib}_deps_${dep}"
4559 prepend "${lib}_deps" $dep
4562 # merge deps lib components
4563 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4568 enabled $comp || continue
4569 eval "dep=\"\$${comp}_deps\""
4576 merge_deps libavfilter $FILTER_LIST
4578 echo "install prefix $prefix"
4579 echo "source path $source_path"
4580 echo "C compiler $cc"
4581 echo "ARCH $arch ($cpu)"
4582 if test "$build_suffix" != ""; then
4583 echo "build suffix $build_suffix"
4585 if test "$progs_suffix" != ""; then
4586 echo "progs suffix $progs_suffix"
4588 if test "$extra_version" != ""; then
4589 echo "version string suffix $extra_version"
4591 echo "big-endian ${bigendian-no}"
4592 echo "runtime cpu detection ${runtime_cpudetect-no}"
4593 if enabled x86; then
4594 echo "${yasmexe} ${yasm-no}"
4595 echo "MMX enabled ${mmx-no}"
4596 echo "MMXEXT enabled ${mmxext-no}"
4597 echo "3DNow! enabled ${amd3dnow-no}"
4598 echo "3DNow! extended enabled ${amd3dnowext-no}"
4599 echo "SSE enabled ${sse-no}"
4600 echo "SSSE3 enabled ${ssse3-no}"
4601 echo "AVX enabled ${avx-no}"
4602 echo "FMA4 enabled ${fma4-no}"
4603 echo "i686 features enabled ${i686-no}"
4604 echo "CMOV is fast ${fast_cmov-no}"
4605 echo "EBX available ${ebx_available-no}"
4606 echo "EBP available ${ebp_available-no}"
4608 if enabled arm; then
4609 echo "ARMv5TE enabled ${armv5te-no}"
4610 echo "ARMv6 enabled ${armv6-no}"
4611 echo "ARMv6T2 enabled ${armv6t2-no}"
4612 echo "VFP enabled ${vfp-no}"
4613 echo "NEON enabled ${neon-no}"
4614 echo "THUMB enabled ${thumb-no}"
4616 if enabled mips; then
4617 echo "MIPS FPU enabled ${mipsfpu-no}"
4618 echo "MIPS32R2 enabled ${mips32r2-no}"
4619 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
4620 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
4622 if enabled ppc; then
4623 echo "AltiVec enabled ${altivec-no}"
4624 echo "PPC 4xx optimizations ${ppc4xx-no}"
4625 echo "dcbzl available ${dcbzl-no}"
4627 if enabled sparc; then
4628 echo "VIS enabled ${vis-no}"
4630 echo "debug symbols ${debug-no}"
4631 echo "strip symbols ${stripping-no}"
4632 echo "optimize for size ${small-no}"
4633 echo "optimizations ${optimizations-no}"
4634 echo "static ${static-no}"
4635 echo "shared ${shared-no}"
4636 echo "postprocessing support ${postproc-no}"
4637 echo "new filter support ${avfilter-no}"
4638 echo "network support ${network-no}"
4639 echo "threading support ${thread_type-no}"
4640 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4641 echo "SDL support ${sdl-no}"
4642 echo "opencl enabled ${opencl-no}"
4643 echo "libzvbi enabled ${libzvbi-no}"
4644 echo "texi2html enabled ${texi2html-no}"
4645 echo "perl enabled ${perl-no}"
4646 echo "pod2man enabled ${pod2man-no}"
4647 echo "makeinfo enabled ${makeinfo-no}"
4648 test -n "$random_seed" &&
4649 echo "random seed ${random_seed}"
4652 echo "External libraries:"
4653 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4656 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4657 echo "Enabled ${type}s:"
4658 eval list=\$$(toupper $type)_LIST
4659 print_enabled '_*' $list | print_3_columns
4663 license="LGPL version 2.1 or later"
4664 if enabled nonfree; then
4665 license="nonfree and unredistributable"
4666 elif enabled gplv3; then
4667 license="GPL version 3 or later"
4668 elif enabled lgplv3; then
4669 license="LGPL version 3 or later"
4670 elif enabled gpl; then
4671 license="GPL version 2 or later"
4674 echo "License: $license"
4676 echo "Creating config.mak, config.h, and doc/config.texi..."
4678 test -e Makefile || $ln_s "$source_path/Makefile" .
4680 enabled stripping || strip="echo skipping strip"
4682 config_files="$TMPH config.mak doc/config.texi"
4684 cat > config.mak <<EOF
4685 # Automatically generated by configure - do not modify!
4686 ifndef FFMPEG_CONFIG_MAK
4688 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4690 LIBDIR=\$(DESTDIR)$libdir
4691 SHLIBDIR=\$(DESTDIR)$shlibdir
4692 INCDIR=\$(DESTDIR)$incdir
4693 BINDIR=\$(DESTDIR)$bindir
4694 DATADIR=\$(DESTDIR)$datadir
4695 DOCDIR=\$(DESTDIR)$docdir
4696 MANDIR=\$(DESTDIR)$mandir
4697 SRC_PATH=$source_path
4698 ifndef MAIN_MAKEFILE
4699 SRC_PATH:=\$(SRC_PATH:.%=..%)
4708 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4710 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4736 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4737 YASMFLAGS=$YASMFLAGS
4738 BUILDSUF=$build_suffix
4739 PROGSSUF=$progs_suffix
4747 EXTRA_VERSION=$extra_version
4750 CCDEP_FLAGS=$CCDEP_FLAGS
4752 ASDEP_FLAGS=$ASDEP_FLAGS
4753 CC_DEPFLAGS=$CC_DEPFLAGS
4754 AS_DEPFLAGS=$AS_DEPFLAGS
4757 HOSTCFLAGS=$host_cflags
4758 HOSTCPPFLAGS=$host_cppflags
4759 HOSTEXESUF=$HOSTEXESUF
4760 HOSTLDFLAGS=$host_ldflags
4763 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4764 HOSTCCDEP=$HOSTCCDEP
4765 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4766 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4770 TARGET_EXEC=$target_exec $target_exec_args
4771 TARGET_PATH=$target_path
4772 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
4773 LIBS-ffplay=$sdl_libs
4774 CFLAGS-ffplay=$sdl_cflags
4775 ZLIB=$($ldflags_filter -lz)
4776 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4777 EXTRALIBS=$extralibs
4778 COMPAT_OBJS=$compat_objs
4781 LIBTARGET=${LIBTARGET}
4782 SLIBNAME=${SLIBNAME}
4783 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4784 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4785 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4786 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4787 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4788 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4789 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4790 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4791 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4792 NOREDZONE_FLAGS=$noredzone_flags
4797 name=$(toupper $lcname)
4798 file=$source_path/$lcname/version.h
4799 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
4800 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4801 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4802 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4803 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
4806 map 'get_version $v' $LIBRARY_LIST
4809 /* Automatically generated by configure - do not modify! */
4810 #ifndef FFMPEG_CONFIG_H
4811 #define FFMPEG_CONFIG_H
4812 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4813 #define FFMPEG_LICENSE "$(c_escape $license)"
4814 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4815 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4816 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4817 #define av_restrict $_restrict
4818 #define EXTERN_PREFIX "${extern_prefix}"
4819 #define EXTERN_ASM ${extern_prefix}
4820 #define SLIBSUF "$SLIBSUF"
4821 #define HAVE_MMX2 HAVE_MMXEXT
4824 test -n "$assert_level" &&
4825 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4827 test -n "$malloc_prefix" &&
4828 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4830 if enabled yasm; then
4831 append config_files $TMPASM
4835 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
4839 echo "@c auto-generated by configure" > doc/config.texi
4841 print_config ARCH_ "$config_files" $ARCH_LIST
4842 print_config HAVE_ "$config_files" $HAVE_LIST
4843 print_config CONFIG_ "$config_files" $CONFIG_LIST \
4847 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4848 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4850 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4851 cp_if_changed $TMPH config.h
4854 enabled yasm && cp_if_changed $TMPASM config.asm
4857 /* Generated by ffconf */
4858 #ifndef AVUTIL_AVCONFIG_H
4859 #define AVUTIL_AVCONFIG_H
4862 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4864 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4866 cp_if_changed $TMPH libavutil/avconfig.h
4868 if test -n "$WARNINGS"; then
4869 printf "\n$WARNINGS"
4870 enabled fatal_warnings && exit 1
4873 # build pkg-config files
4875 pkgconfig_generate(){
4877 shortname=${name#lib}${build_suffix}
4882 enabled ${name#lib} || return 0
4884 cat <<EOF > $name/$name${build_suffix}.pc
4886 exec_prefix=\${prefix}
4891 Description: $comment
4893 Requires: $(enabled shared || echo $requires)
4894 Requires.private: $(enabled shared && echo $requires)
4896 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4897 Libs.private: $(enabled shared && echo $libs)
4898 Cflags: -I\${includedir}
4901 mkdir -p doc/examples/pc-uninstalled
4902 includedir=${source_path}
4903 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4904 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4907 libdir=\${pcfiledir}/../../../$name
4908 includedir=${includedir}
4911 Description: $comment
4915 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4916 Cflags: -I\${includedir}
4920 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4921 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
4922 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
4923 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
4924 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
4925 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
4926 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
4927 lavfi_libs=${lavfi_libs%, }
4929 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
4930 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
4932 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4933 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4934 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
4935 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
4936 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
4937 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4938 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4939 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4940 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
4942 fix_ffmpeg_remote(){
4945 fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
4946 if [ "$fixme_remote" != "" ]; then
4948 Outdated domain in git config, the official domain for ffmpeg git is since
4949 November 2011, source.ffmpeg.org, both the old and the new point to the same
4950 repository and server. To update it enter the following commands:
4952 for remote in $fixme_remote; do
4953 echolog "git remote set-url $remote $git_remote_to"
4958 if test -f "$source_path/.git/config"; then
4959 remote_from=git.videolan.org
4960 remote_to=source.ffmpeg.org
4961 fix_ffmpeg_remote git@$remote_from:ffmpeg git@$remote_to:ffmpeg
4962 fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg