3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --enable-rpath use rpath to allow installing libraries in paths
91 not part of the dynamic linker search path
94 --enable-gpl allow use of GPL code, the resulting libs
95 and binaries will be under GPL [no]
96 --enable-version3 upgrade (L)GPL to version 3 [no]
97 --enable-nonfree allow use of nonfree code, the resulting libs
98 and binaries will be unredistributable [no]
100 Configuration options:
101 --disable-static do not build static libraries [no]
102 --enable-shared build shared libraries [no]
103 --enable-small optimize for size instead of speed
104 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
105 --enable-gray enable full grayscale support (slower color)
106 --disable-swscale-alpha disable alpha channel support in swscale
107 --disable-all disable building components, libraries and programs
108 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
109 --enable-raise-major increase major version numbers in sonames [no]
112 --disable-programs do not build command line programs
113 --disable-ffmpeg disable ffmpeg build
114 --disable-ffplay disable ffplay build
115 --disable-ffprobe disable ffprobe build
116 --disable-ffserver disable ffserver build
118 Documentation options:
119 --disable-doc do not build documentation
120 --disable-htmlpages do not build HTML documentation pages
121 --disable-manpages do not build man documentation pages
122 --disable-podpages do not build POD documentation pages
123 --disable-txtpages do not build text documentation pages
126 --disable-avdevice disable libavdevice build
127 --disable-avcodec disable libavcodec build
128 --disable-avformat disable libavformat build
129 --disable-avutil disable libavutil build
130 --disable-swresample disable libswresample build
131 --disable-swscale disable libswscale build
132 --disable-postproc disable libpostproc build
133 --disable-avfilter disable libavfilter build
134 --enable-avresample enable libavresample build [no]
135 --disable-pthreads disable pthreads [auto]
136 --disable-w32threads disable Win32 threads [auto]
137 --disable-os2threads disable OS/2 threads [auto]
138 --disable-network disable network support [no]
139 --disable-dct disable DCT code
140 --disable-dwt disable DWT code
141 --disable-error-resilience disable error resilience code
142 --disable-lsp disable LSP code
143 --disable-lzo disable LZO decoder code
144 --disable-mdct disable MDCT code
145 --disable-rdft disable RDFT code
146 --disable-fft disable FFT code
148 Hardware accelerators:
149 --disable-dxva2 disable DXVA2 code [autodetect]
150 --disable-vaapi disable VAAPI code [autodetect]
151 --disable-vda disable VDA code [autodetect]
152 --disable-vdpau disable VDPAU code [autodetect]
154 Individual component options:
155 --disable-everything disable all components listed below
156 --disable-encoder=NAME disable encoder NAME
157 --enable-encoder=NAME enable encoder NAME
158 --disable-encoders disable all encoders
159 --disable-decoder=NAME disable decoder NAME
160 --enable-decoder=NAME enable decoder NAME
161 --disable-decoders disable all decoders
162 --disable-hwaccel=NAME disable hwaccel NAME
163 --enable-hwaccel=NAME enable hwaccel NAME
164 --disable-hwaccels disable all hwaccels
165 --disable-muxer=NAME disable muxer NAME
166 --enable-muxer=NAME enable muxer NAME
167 --disable-muxers disable all muxers
168 --disable-demuxer=NAME disable demuxer NAME
169 --enable-demuxer=NAME enable demuxer NAME
170 --disable-demuxers disable all demuxers
171 --enable-parser=NAME enable parser NAME
172 --disable-parser=NAME disable parser NAME
173 --disable-parsers disable all parsers
174 --enable-bsf=NAME enable bitstream filter NAME
175 --disable-bsf=NAME disable bitstream filter NAME
176 --disable-bsfs disable all bitstream filters
177 --enable-protocol=NAME enable protocol NAME
178 --disable-protocol=NAME disable protocol NAME
179 --disable-protocols disable all protocols
180 --enable-indev=NAME enable input device NAME
181 --disable-indev=NAME disable input device NAME
182 --disable-indevs disable input devices
183 --enable-outdev=NAME enable output device NAME
184 --disable-outdev=NAME disable output device NAME
185 --disable-outdevs disable output devices
186 --disable-devices disable all devices
187 --enable-filter=NAME enable filter NAME
188 --disable-filter=NAME disable filter NAME
189 --disable-filters disable all filters
191 External library support:
192 --enable-avisynth enable reading of AviSynth script files [no]
193 --disable-bzlib disable bzlib [autodetect]
194 --enable-fontconfig enable fontconfig
195 --enable-frei0r enable frei0r video filtering
196 --enable-gnutls enable gnutls [no]
197 --disable-iconv disable iconv [autodetect]
198 --enable-ladspa enable LADSPA audio filtering
199 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
200 --enable-libass enable libass subtitles rendering [no]
201 --enable-libbluray enable BluRay reading using libbluray [no]
202 --enable-libbs2b enable bs2b DSP library [no]
203 --enable-libcaca enable textual display using libcaca
204 --enable-libcelt enable CELT decoding via libcelt [no]
205 --enable-libcdio enable audio CD grabbing with libcdio
206 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
208 --enable-libfaac enable AAC encoding via libfaac [no]
209 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
210 --enable-libflite enable flite (voice synthesis) support via libflite [no]
211 --enable-libfreetype enable libfreetype [no]
212 --enable-libgme enable Game Music Emu via libgme [no]
213 --enable-libgsm enable GSM de/encoding via libgsm [no]
214 --enable-libiec61883 enable iec61883 via libiec61883 [no]
215 --enable-libilbc enable iLBC de/encoding via libilbc [no]
216 --enable-libmodplug enable ModPlug via libmodplug [no]
217 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
218 --enable-libnut enable NUT (de)muxing via libnut,
219 native (de)muxer exists [no]
220 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
221 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
222 --enable-libopencv enable video filtering via libopencv [no]
223 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
224 --enable-libopus enable Opus decoding via libopus [no]
225 --enable-libpulse enable Pulseaudio input via libpulse [no]
226 --enable-libquvi enable quvi input via libquvi [no]
227 --enable-librtmp enable RTMP[E] support via librtmp [no]
228 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
229 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
230 --enable-libsoxr enable Include libsoxr resampling [no]
231 --enable-libspeex enable Speex de/encoding via libspeex [no]
232 --enable-libssh enable SFTP protocol via libssh [no]
233 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
234 --enable-libtheora enable Theora encoding via libtheora [no]
235 --enable-libtwolame enable MP2 encoding via libtwolame [no]
236 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
237 --enable-libv4l2 enable libv4l2/v4l-utils [no]
238 --enable-libvidstab enable video stabilization using vid.stab [no]
239 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
240 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
241 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
242 native implementation exists [no]
243 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
244 --enable-libwavpack enable wavpack encoding via libwavpack [no]
245 --enable-libwebp enable WebP encoding via libwebp [no]
246 --enable-libx264 enable H.264 encoding via x264 [no]
247 --enable-libx265 enable HEVC encoding via x265 [no]
248 --enable-libxavs enable AVS encoding via xavs [no]
249 --enable-libxvid enable Xvid encoding via xvidcore,
250 native MPEG-4/Xvid encoder exists [no]
251 --enable-libzmq enable message passing via libzmq [no]
252 --enable-libzvbi enable teletext support via libzvbi [no]
253 --enable-decklink enable Blackmagick DeckLink output [no]
254 --enable-openal enable OpenAL 1.1 capture support [no]
255 --enable-opencl enable OpenCL code
256 --enable-opengl enable OpenGL rendering [no]
257 --enable-openssl enable openssl [no]
258 --enable-x11grab enable X11 grabbing [no]
259 --disable-xlib disable xlib [autodetect]
260 --disable-zlib disable zlib [autodetect]
263 --arch=ARCH select architecture [$arch]
264 --cpu=CPU select the minimum required CPU (affects
265 instruction selection, may crash on older CPUs)
266 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
267 --progs-suffix=SUFFIX program name suffix []
268 --enable-cross-compile assume a cross-compiler is used
269 --sysroot=PATH root of cross-build tree
270 --sysinclude=PATH location of cross-build system headers
271 --target-os=OS compiler targets OS [$target_os]
272 --target-exec=CMD command to run executables on target
273 --target-path=DIR path to view of build directory on target
274 --target-samples=DIR path to samples directory on target
275 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
276 --toolchain=NAME set tool defaults according to NAME
277 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
278 --nm=NM use nm tool NM [$nm_default]
279 --ar=AR use archive tool AR [$ar_default]
280 --as=AS use assembler AS [$as_default]
281 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
282 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
283 --cc=CC use C compiler CC [$cc_default]
284 --cxx=CXX use C compiler CXX [$cxx_default]
285 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
286 --ld=LD use linker LD [$ld_default]
287 --pkg-config=PKGCONF use pkg-config PKGCONF [$pkg_config_default]
288 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
289 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
290 --host-cc=HOSTCC use host C compiler HOSTCC
291 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
292 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
293 --host-ld=HOSTLD use host linker HOSTLD
294 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
295 --host-libs=HLIBS use libs HLIBS when linking for host
296 --host-os=OS compiler host OS [$target_os]
297 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
298 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
299 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
300 --extra-libs=ELIBS add ELIBS [$ELIBS]
301 --extra-version=STRING version string suffix []
302 --optflags=OPTFLAGS override optimization-related compiler flags
303 --build-suffix=SUFFIX library name suffix []
304 --enable-pic build position-independent code
305 --enable-thumb compile for Thumb instruction set
306 --enable-lto use link-time optimization
308 Advanced options (experts only):
309 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
310 --disable-symver disable symbol versioning
311 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
312 --disable-safe-bitstream-reader
313 disable buffer boundary checking in bitreaders
314 (faster, but may crash)
315 --enable-memalign-hack emulate memalign, interferes with memory debuggers
316 --enable-sram allow use of on-chip SRAM
318 Optimization options (experts only):
319 --disable-asm disable all assembler optimizations
320 --disable-altivec disable AltiVec optimizations
321 --disable-amd3dnow disable 3DNow! optimizations
322 --disable-amd3dnowext disable 3DNow! extended optimizations
323 --disable-mmx disable MMX optimizations
324 --disable-mmxext disable MMXEXT optimizations
325 --disable-sse disable SSE optimizations
326 --disable-sse2 disable SSE2 optimizations
327 --disable-sse3 disable SSE3 optimizations
328 --disable-ssse3 disable SSSE3 optimizations
329 --disable-sse4 disable SSE4 optimizations
330 --disable-sse42 disable SSE4.2 optimizations
331 --disable-avx disable AVX optimizations
332 --disable-xop disable XOP optimizations
333 --disable-fma3 disable FMA3 optimizations
334 --disable-fma4 disable FMA4 optimizations
335 --disable-avx2 disable AVX2 optimizations
336 --disable-armv5te disable armv5te optimizations
337 --disable-armv6 disable armv6 optimizations
338 --disable-armv6t2 disable armv6t2 optimizations
339 --disable-vfp disable VFP optimizations
340 --disable-neon disable NEON optimizations
341 --disable-inline-asm disable use of inline assembler
342 --disable-yasm disable use of yasm assembler
343 --disable-mips32r2 disable MIPS32R2 optimizations
344 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
345 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
346 --disable-mipsfpu disable floating point MIPS optimizations
347 --disable-fast-unaligned consider unaligned accesses slow
349 Developer options (useful when working on FFmpeg itself):
350 --disable-debug disable debugging symbols
351 --enable-debug=LEVEL set the debug level [$debuglevel]
352 --disable-optimizations disable compiler optimizations
353 --enable-extra-warnings enable more compiler warnings
354 --disable-stripping disable stripping of executables and shared libraries
355 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
356 2 causes a slowdown at runtime.
357 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
358 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
359 leaks and errors, using the specified valgrind binary.
360 Cannot be combined with --target-exec
361 --enable-ftrapv Trap arithmetic overflows
362 --samples=PATH location of test samples for FATE, if not set use
363 \$FATE_SAMPLES at make invocation time.
364 --enable-neon-clobber-test check NEON registers for clobbering (should be
365 used only for debugging purposes)
366 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
367 should be used only for debugging purposes)
368 --enable-random randomly enable/disable components
370 --enable-random=LIST randomly enable/disable specific components or
371 --disable-random=LIST component groups. LIST is a comma-separated list
372 of NAME[:PROB] entries where NAME is a component
373 (group) and PROB the probability associated with
375 --random-seed=VALUE seed value for --enable/disable-random
377 NOTE: Object files are built at the place where configure is launched.
385 echo "$@" >> $logfile
390 pr -n -t $1 >> $logfile
401 WARNINGS="${WARNINGS}WARNING: $*\n"
408 If you think configure made a mistake, make sure you are using the latest
409 version from Git. If the latest version fails, report the problem to the
410 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
412 if disabled logging; then
414 Rerun configure with logging enabled (do not use --disable-logging), and
415 include the log this produces with your report.
419 Include the log file "$logfile" produced by configure as this will help
426 # Avoid locale weirdness, besides we really just want to translate ASCII.
428 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
432 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
436 echo "$*" | sed 's/["\\]/\\\0/g'
440 v=$(echo "$1" | sed "s/'/'\\\\''/g")
441 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
446 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\r//g'
453 eval "case $v in $pat) echo $v ;; esac"
461 eval "case $v in $pat) ;; *) echo $v ;; esac"
468 for v; do eval $m; done
474 for v; do echo ${v}${suffix}; done
489 eval : \${$var:=$value}
494 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
500 eval $(sanitize_var_name "$var")='$*'
504 eval echo \$$(sanitize_var_name "$1")
509 eval level=\${${pvar}_level:=0}
510 eval ${pvar}_${level}="\$$pvar"
511 eval ${pvar}_level=$(($level+1))
517 eval level=\${${pvar}_level:-0}
518 test $level = 0 && continue
519 eval level=$(($level-1))
520 eval $pvar="\${${pvar}_${level}}"
521 eval ${pvar}_level=$level
522 eval unset ${pvar}_${level}
544 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
550 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
556 enabled $var && continue
557 eval sel="\$${var}_select"
558 eval sgs="\$${var}_suggest"
562 enable_deep_weak $sgs
574 disabled $var && continue
583 test "${1#!}" = "$1" && op== || op=!=
584 eval test "x\$${1#!}" $op "xyes"
588 test "${1#!}" = "$1" && op== || op=!=
589 eval test "x\$${1#!}" $op "xno"
594 enabled $opt || return 1
600 disabled $opt || return 1
606 enabled $opt && return 0
612 disabled $opt && return 0
619 eval : \${$opt:=\$${opt}_default}
627 [ $var = $value ] && return 0
635 enabled ${cfg}_checking && die "Circular dependency for $cfg."
636 disabled ${cfg}_checking && continue
637 enable ${cfg}_checking
640 eval dep_all="\$${cfg}_deps"
641 eval dep_any="\$${cfg}_deps_any"
642 eval dep_sel="\$${cfg}_select"
643 eval dep_sgs="\$${cfg}_suggest"
644 eval dep_ifa="\$${cfg}_if"
645 eval dep_ifn="\$${cfg}_if_any"
647 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
648 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
649 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
651 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
652 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
653 enabled_all $dep_all || disable $cfg
654 enabled_any $dep_any || disable $cfg
655 disabled_any $dep_sel && disable $cfg
657 if enabled $cfg; then
659 enable_deep_weak $dep_sgs
662 disable ${cfg}_checking
671 for cfg in $allopts; do
672 enabled $cfg || continue
673 eval dep_extralibs="\$${cfg}_extralibs"
674 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
682 map 'eval echo "$v \${$v:-no}"' "$@" |
683 awk "BEGIN { split(\"$files\", files) }
685 c = \"$pfx\" toupper(\$1);
691 if (file ~ /\\.h\$/) {
692 printf(\"#define %s %d\\n\", c, v) >>file;
693 } else if (file ~ /\\.asm\$/) {
694 printf(\"%%define %s %d\\n\", c, v) >>file;
695 } else if (file ~ /\\.mak\$/) {
696 n = -v ? \"\" : \"!\";
697 printf(\"%s%s=yes\\n\", n, c) >>file;
698 } else if (file ~ /\\.texi\$/) {
699 pre = -v ? \"\" : \"@c \";
702 gsub(/_/, \"-\", c2);
703 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
713 enabled $v && printf "%s\n" ${v%$suf};
720 eval "$var=\"\$$var $*\""
726 eval "$var=\"$* \$$var\""
734 append CFLAGS $($cflags_filter "$@")
738 append CXXFLAGS $($cflags_filter "$@")
742 append ASFLAGS $($asflags_filter "$@")
746 append LDFLAGS $($ldflags_filter "$@")
750 append ASMSTRIPFLAGS "$@"
754 prepend extralibs $($ldflags_filter "$@")
758 append host_cppflags "$@"
762 append host_cflags $($host_cflags_filter "$@")
766 append host_ldflags $($host_ldflags_filter "$@")
770 append compat_objs $1
772 map 'add_cppflags -D$v' "$@"
777 "$@" >> $logfile 2>&1
782 stat "$1" >> $logfile 2>&1
786 eval printf '%s\\n' $CC_O
790 eval printf '%s\\n' $CC_E
797 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
804 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
811 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
818 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
822 eval printf '%s\\n' $AS_O
829 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
833 log check_inline_asm "$@"
838 check_cc "$@" <<EOF && enable $name
839 void foo(void){ __asm__ volatile($code); }
845 check_inline_asm ${1}_inline "\"$2\""
846 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
854 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
858 eval printf '%s\\n' $LD_O
865 flags=$(filter_out '-l*|*.so' $@)
866 libs=$(filter '-l*|*.so' $@)
867 check_$type $($cflags_filter $flags) || return
868 flags=$($ldflags_filter $flags)
869 libs=$($ldflags_filter $libs)
870 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
875 test "${hdr%.h}" = "${hdr}" &&
876 echo "#include $hdr" ||
877 echo "#include <$hdr>"
887 for hdr in $headers; do
890 echo "int main(void) { $code; return 0; }"
891 } | check_$check "$@"
895 log check_cppflags "$@"
896 check_cc "$@" <<EOF && append CPPFLAGS "$@"
903 set -- $($cflags_filter "$@")
910 log check_cflags "$@"
911 test_cflags "$@" && add_cflags "$@"
915 log check_cxxflags "$@"
916 set -- $($cflags_filter "$@")
917 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
923 log test_ldflags "$@"
924 check_ld "cc" "$@" <<EOF
925 int main(void){ return 0; }
930 log check_ldflags "$@"
931 test_ldflags "$@" && add_ldflags "$@"
935 log test_stripflags "$@"
936 # call check_cc to get a fresh TMPO
938 int main(void) { return 0; }
940 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
944 log check_stripflags "$@"
945 test_stripflags "$@" && add_stripflags "$@"
949 log check_header "$@"
953 check_cpp "$@" <<EOF && enable_safe $header
960 log check_header_oc "$@"
966 echo "#include <$header>"
967 echo "int main(void) { return 0; }"
968 } | check_oc && check_stat "$TMPO" && enable_safe $headers
976 check_ld "cc" "$@" <<EOF && enable $func
978 int main(void){ $func(); }
983 log check_mathfunc "$@"
987 test $narg = 2 && args="f, g" || args="f"
989 check_ld "cc" "$@" <<EOF && enable $func
991 float foo(float f, float g) { return $func($args); }
992 int main(void){ return (int) foo; }
996 check_func_headers(){
997 log check_func_headers "$@"
1002 for hdr in $headers; do
1005 for func in $funcs; do
1006 echo "long check_$func(void) { return (long) $func; }"
1008 echo "int main(void) { return 0; }"
1009 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1012 check_class_headers_cpp(){
1013 log check_class_headers_cpp "$@"
1018 for hdr in $headers; do
1019 echo "#include <$hdr>"
1021 echo "int main(void) { "
1023 for class in $classes; do
1024 echo "$class obj$i;"
1028 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1031 check_cpp_condition(){
1032 log check_cpp_condition "$@"
1036 check_cpp "$@" <<EOF
1039 #error "unsatisfied condition: $condition"
1049 check_header $header && check_func $func "$@" && add_extralibs "$@"
1057 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1061 log check_lib_cpp "$@"
1065 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1069 log check_pkg_config "$@"
1075 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1076 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1077 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1078 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1079 set_safe ${pkg}_cflags $pkg_cflags &&
1080 set_safe ${pkg}_libs $pkg_libs
1084 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1090 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1091 # are safe but may not be available everywhere. Thus we use
1092 # raise(SIGTERM) instead. The check is run in a subshell so we
1093 # can redirect the "Terminated" message from the shell. SIGBUS
1094 # is not defined by standard C so it is used conditionally.
1096 (check_exec "$@") >> $logfile 2>&1 <<EOF
1098 static void sighandler(int sig){
1104 int (*func_ptr)(void) = foo;
1106 signal(SIGILL, sighandler);
1107 signal(SIGFPE, sighandler);
1108 signal(SIGSEGV, sighandler);
1110 signal(SIGBUS, sighandler);
1122 disable_safe "$type"
1123 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1127 log check_struct "$@"
1132 disable_safe "${struct}_${member}"
1133 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1134 enable_safe "${struct}_${member}"
1138 log check_builtin "$@"
1144 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1147 check_compile_assert(){
1148 log check_compile_assert "$@"
1154 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1162 check_lib $header $func "$@" || die "ERROR: $name not found"
1170 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1178 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1181 require_pkg_config(){
1183 check_pkg_config "$@" || die "ERROR: $pkg not found"
1184 add_cflags $(get_safe ${pkg}_cflags)
1185 add_extralibs $(get_safe ${pkg}_libs)
1188 require_libfreetype(){
1189 log require_libfreetype "$@"
1191 check_cmd $pkg_config --exists --print-errors $pkg \
1192 || die "ERROR: $pkg not found"
1193 pkg_cflags=$($pkg_config --cflags $pkg)
1194 pkg_libs=$($pkg_config --libs $pkg)
1196 echo "#include <ft2build.h>"
1197 echo "#include FT_FREETYPE_H"
1198 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1199 echo "int main(void) { return 0; }"
1200 } | check_ld "cc" $pkg_cflags $pkg_libs \
1201 && set_safe ${pkg}_cflags $pkg_cflags \
1202 && set_safe ${pkg}_libs $pkg_libs \
1203 || die "ERROR: $pkg not found"
1204 add_cflags $(get_safe ${pkg}_cflags)
1205 add_extralibs $(get_safe ${pkg}_libs)
1209 eval printf '%s\\n' $HOSTCC_E
1213 eval printf '%s\\n' $HOSTCC_O
1217 log check_host_cc "$@"
1220 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1224 log check_host_cpp "$@"
1227 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1230 check_host_cppflags(){
1231 log check_host_cppflags "$@"
1232 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1237 check_host_cflags(){
1238 log check_host_cflags "$@"
1239 set -- $($host_cflags_filter "$@")
1240 check_host_cc "$@" <<EOF && append host_cflags "$@"
1245 check_host_cpp_condition(){
1246 log check_host_cpp_condition "$@"
1250 check_host_cpp "$@" <<EOF
1253 #error "unsatisfied condition: $condition"
1261 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1265 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1266 mkdir -p "$(dirname $2)"
1270 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1271 # system-dependent things.
1288 avio_reading_example
1289 decoding_encoding_example
1290 demuxing_decoding_example
1291 filter_audio_example
1292 filtering_audio_example
1293 filtering_video_example
1297 resampling_audio_example
1298 scaling_video_example
1299 transcode_aac_example
1303 EXTERNAL_LIBRARY_LIST="
1385 safe_bitstream_reader
1443 $EXTERNAL_LIBRARY_LIST
1451 incompatible_libav_abi
1511 ARCH_EXT_LIST_MIPS="
1518 ARCH_EXT_LIST_X86_SIMD="
1544 $ARCH_EXT_LIST_X86_SIMD
1574 sync_val_compare_and_swap
1585 incompatible_libav_abi
1594 cdio_paranoia_paranoia_h
1596 dev_bktr_ioctl_bt848_h
1597 dev_bktr_ioctl_meteor_h
1599 dev_video_bktr_ioctl_bt848_h
1600 dev_video_meteor_ioctl_meteor_h
1608 machine_ioctl_bt848_h
1609 machine_ioctl_meteor_h
1611 openjpeg_1_5_openjpeg_h
1673 GetProcessAffinityMask
1674 GetProcessMemoryInfo
1678 GetSystemTimeAsFileTime
1684 jack_port_get_latency_range
1699 SetConsoleTextAttribute
1711 TOOLCHAIN_FEATURES="
1721 inline_asm_nonlocal_labels
1722 inline_asm_direct_symbol_refs
1735 struct_group_source_req
1736 struct_ip_mreq_source
1739 struct_rusage_ru_maxrss
1740 struct_sctp_event_subscribe
1742 struct_sockaddr_sa_len
1743 struct_sockaddr_storage
1744 struct_stat_st_mtim_tv_nsec
1745 struct_v4l2_frmivalenum_discrete
1750 $(add_suffix _external $ARCH_EXT_LIST)
1751 $(add_suffix _inline $ARCH_EXT_LIST)
1779 # options emitted with CONFIG_ prefix but not available on the command line
1787 frame_thread_encoder
1896 # code dependency declarations
1898 # architecture extensions
1903 armv8_deps="aarch64"
1904 neon_deps_any="aarch64 arm"
1905 vfp_deps_any="aarch64 arm"
1908 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1911 mips32r2_deps="mips"
1912 mipsdspr1_deps="mips"
1913 mipsdspr2_deps="mips"
1919 x86_64_select="i686"
1920 x86_64_suggest="fast_cmov"
1923 amd3dnowext_deps="amd3dnow"
1939 mmx_external_deps="yasm"
1940 mmx_inline_deps="inline_asm"
1941 mmx_suggest="mmx_external mmx_inline"
1943 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1944 eval dep=\$${ext}_deps
1945 eval ${ext}_external_deps='"${dep}_external"'
1946 eval ${ext}_inline_deps='"${dep}_inline"'
1947 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1950 aligned_stack_if_any="aarch64 ppc x86"
1951 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1952 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1953 fast_unaligned_if_any="aarch64 ppc x86"
1955 need_memalign="altivec neon sse"
1957 # system capabilities
1958 log2_deps="!libc_msvcrt"
1960 symver_if_any="symver_asm_label symver_gnu_asm"
1963 atomics_gcc_if="sync_val_compare_and_swap"
1964 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1965 atomics_win32_if="MemoryBarrier"
1966 atomics_native_if_any="$ATOMICS_LIST"
1967 w32threads_deps="atomics_native"
1968 threads_if_any="$THREADS_LIST"
1972 error_resilience_select="dsputil"
1973 frame_thread_encoder_deps="encoders threads"
1976 mpegaudio_select="mpegaudiodsp"
1977 mpegaudiodsp_select="dct"
1978 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1979 mpegvideoenc_select="dsputil mpegvideo"
1981 # decoders / encoders
1982 aac_decoder_select="mdct sinewin"
1983 aac_encoder_select="audio_frame_queue mdct sinewin"
1984 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1985 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1986 ac3_fixed_decoder_select="mdct ac3dsp ac3_parser dsputil"
1987 ac3_encoder_select="mdct ac3dsp dsputil"
1988 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1989 aic_decoder_select="dsputil golomb"
1990 alac_encoder_select="lpc"
1991 als_decoder_select="dsputil"
1992 amrnb_decoder_select="lsp"
1993 amrwb_decoder_select="lsp"
1994 amv_decoder_select="sp5x_decoder exif"
1995 amv_encoder_select="aandcttables"
1996 ape_decoder_select="dsputil"
1997 asv1_decoder_select="dsputil"
1998 asv1_encoder_select="dsputil"
1999 asv2_decoder_select="dsputil"
2000 asv2_encoder_select="dsputil"
2001 atrac1_decoder_select="mdct sinewin"
2002 atrac3_decoder_select="mdct"
2003 atrac3p_decoder_select="mdct sinewin"
2004 avrn_decoder_select="exif"
2005 bink_decoder_select="dsputil hpeldsp"
2006 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
2007 binkaudio_rdft_decoder_select="mdct rdft sinewin"
2008 cavs_decoder_select="dsputil golomb h264chroma videodsp"
2009 cllc_decoder_select="dsputil"
2010 comfortnoise_encoder_select="lpc"
2011 cook_decoder_select="dsputil mdct sinewin"
2012 cscd_decoder_select="lzo"
2013 cscd_decoder_suggest="zlib"
2014 dca_decoder_select="mdct"
2015 dirac_decoder_select="dsputil dwt golomb videodsp"
2016 dnxhd_decoder_select="dsputil"
2017 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
2018 dvvideo_decoder_select="dsputil"
2019 dvvideo_encoder_select="dsputil"
2020 dxa_decoder_select="zlib"
2021 eac3_decoder_select="ac3_decoder"
2022 eac3_encoder_select="ac3_encoder"
2023 eamad_decoder_select="aandcttables dsputil mpegvideo"
2024 eatgq_decoder_select="aandcttables"
2025 eatqi_decoder_select="aandcttables dsputil error_resilience mpegvideo"
2026 exr_decoder_select="zlib"
2027 ffv1_decoder_select="golomb rangecoder"
2028 ffv1_encoder_select="rangecoder"
2029 ffvhuff_decoder_select="huffyuv_decoder"
2030 ffvhuff_encoder_select="huffyuv_encoder"
2031 fic_decoder_select="golomb"
2032 flac_decoder_select="golomb"
2033 flac_encoder_select="dsputil golomb lpc"
2034 flashsv_decoder_select="zlib"
2035 flashsv_encoder_select="zlib"
2036 flashsv2_encoder_select="zlib"
2037 flashsv2_decoder_select="zlib"
2038 flv_decoder_select="h263_decoder"
2039 flv_encoder_select="h263_encoder"
2040 fourxm_decoder_select="dsputil"
2041 fraps_decoder_select="dsputil huffman"
2042 g2m_decoder_select="dsputil zlib"
2043 g729_decoder_select="dsputil"
2044 h261_decoder_select="error_resilience mpegvideo"
2045 h261_encoder_select="aandcttables mpegvideoenc"
2046 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
2047 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2048 h263i_decoder_select="h263_decoder"
2049 h263p_encoder_select="h263_encoder"
2050 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
2051 h264_decoder_suggest="error_resilience"
2052 hevc_decoder_select="cabac dsputil golomb videodsp"
2053 huffyuv_decoder_select="dsputil llviddsp"
2054 huffyuv_encoder_select="dsputil huffman llviddsp"
2055 iac_decoder_select="imc_decoder"
2056 imc_decoder_select="dsputil fft mdct sinewin"
2057 indeo3_decoder_select="hpeldsp"
2058 interplay_video_decoder_select="hpeldsp"
2059 jpegls_decoder_select="golomb mjpeg_decoder"
2060 jpegls_encoder_select="golomb"
2061 jv_decoder_select="dsputil"
2062 lagarith_decoder_select="dsputil"
2063 ljpeg_encoder_select="aandcttables mpegvideoenc"
2064 loco_decoder_select="golomb"
2065 mdec_decoder_select="dsputil error_resilience mpegvideo"
2066 metasound_decoder_select="lsp mdct sinewin"
2067 mimic_decoder_select="dsputil hpeldsp"
2068 mjpeg_decoder_select="dsputil hpeldsp exif"
2069 mjpeg_encoder_select="aandcttables mpegvideoenc"
2070 mjpegb_decoder_select="mjpeg_decoder"
2071 mlp_decoder_select="mlp_parser"
2072 motionpixels_decoder_select="dsputil"
2073 mp1_decoder_select="mpegaudio"
2074 mp1float_decoder_select="mpegaudio"
2075 mp2_decoder_select="mpegaudio"
2076 mp2float_decoder_select="mpegaudio"
2077 mp3_decoder_select="mpegaudio"
2078 mp3adu_decoder_select="mpegaudio"
2079 mp3adufloat_decoder_select="mpegaudio"
2080 mp3float_decoder_select="mpegaudio"
2081 mp3on4_decoder_select="mpegaudio"
2082 mp3on4float_decoder_select="mpegaudio"
2083 mpc7_decoder_select="dsputil mpegaudiodsp"
2084 mpc8_decoder_select="mpegaudiodsp"
2085 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2086 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2087 mpeg1video_decoder_select="error_resilience mpegvideo"
2088 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2089 mpeg2video_decoder_select="error_resilience mpegvideo"
2090 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2091 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2092 mpeg4_encoder_select="h263_encoder"
2093 msmpeg4v1_decoder_select="h263_decoder"
2094 msmpeg4v2_decoder_select="h263_decoder"
2095 msmpeg4v2_encoder_select="h263_encoder"
2096 msmpeg4v3_decoder_select="h263_decoder"
2097 msmpeg4v3_encoder_select="h263_encoder"
2098 mss2_decoder_select="error_resilience vc1_decoder"
2099 mxpeg_decoder_select="mjpeg_decoder"
2100 nellymoser_decoder_select="mdct sinewin"
2101 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2102 nuv_decoder_select="dsputil lzo"
2103 on2avc_decoder_select="mdct"
2104 png_decoder_select="zlib"
2105 png_encoder_select="dsputil zlib"
2106 prores_decoder_select="dsputil"
2107 prores_encoder_select="dsputil"
2108 qcelp_decoder_select="lsp"
2109 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2110 ra_144_encoder_select="audio_frame_queue lpc"
2111 ralf_decoder_select="golomb"
2112 rawvideo_decoder_select="dsputil"
2113 rtjpeg_decoder_select="dsputil"
2114 rv10_decoder_select="error_resilience h263_decoder h263dsp"
2115 rv10_encoder_select="h263_encoder"
2116 rv20_decoder_select="error_resilience h263_decoder h263dsp"
2117 rv20_encoder_select="h263_encoder"
2118 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
2119 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
2120 shorten_decoder_select="golomb"
2121 sipr_decoder_select="lsp"
2122 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
2123 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
2124 sonic_decoder_select="golomb rangecoder"
2125 sonic_encoder_select="golomb rangecoder"
2126 sonic_ls_encoder_select="golomb"
2127 sp5x_decoder_select="mjpeg_decoder"
2128 svq1_decoder_select="hpeldsp"
2129 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
2130 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2131 svq3_decoder_suggest="zlib"
2132 tak_decoder_select="dsputil"
2133 theora_decoder_select="vp3_decoder"
2134 thp_decoder_select="mjpeg_decoder"
2135 tiff_decoder_suggest="zlib"
2136 tiff_encoder_suggest="zlib"
2137 truehd_decoder_select="mlp_parser"
2138 truemotion2_decoder_select="dsputil"
2139 truespeech_decoder_select="dsputil"
2140 tscc_decoder_select="zlib"
2141 twinvq_decoder_select="mdct lsp sinewin"
2142 utvideo_decoder_select="dsputil"
2143 utvideo_encoder_select="dsputil huffman"
2144 vble_decoder_select="dsputil"
2145 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel intrax8"
2146 vc1image_decoder_select="vc1_decoder"
2147 vorbis_decoder_select="mdct"
2148 vorbis_encoder_select="mdct"
2149 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2150 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2151 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2152 vp6a_decoder_select="vp6_decoder"
2153 vp6f_decoder_select="vp6_decoder"
2154 vp7_decoder_select="h264pred videodsp"
2155 vp8_decoder_select="h264pred videodsp"
2156 vp9_decoder_select="videodsp"
2157 webp_decoder_select="vp8_decoder"
2158 wmapro_decoder_select="mdct sinewin"
2159 wmav1_decoder_select="mdct sinewin"
2160 wmav1_encoder_select="mdct sinewin"
2161 wmav2_decoder_select="mdct sinewin"
2162 wmav2_encoder_select="mdct sinewin"
2163 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2164 wmv1_decoder_select="h263_decoder"
2165 wmv1_encoder_select="h263_encoder"
2166 wmv2_decoder_select="h263_decoder intrax8 videodsp"
2167 wmv2_encoder_select="h263_encoder"
2168 wmv3_decoder_select="vc1_decoder"
2169 wmv3image_decoder_select="wmv3_decoder"
2170 zerocodec_decoder_select="zlib"
2171 zlib_decoder_select="zlib"
2172 zlib_encoder_select="zlib"
2173 zmbv_decoder_select="zlib"
2174 zmbv_encoder_select="zlib"
2176 # hardware accelerators
2177 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2178 dxva2_deps="dxva2api_h"
2179 vaapi_deps="va_va_h"
2180 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2181 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2182 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2183 xvmc_deps="X11_extensions_XvMClib_h"
2185 h263_vaapi_hwaccel_deps="vaapi"
2186 h263_vaapi_hwaccel_select="h263_decoder"
2187 h263_vdpau_hwaccel_deps="vdpau"
2188 h263_vdpau_hwaccel_select="h263_decoder"
2189 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2190 h264_dxva2_hwaccel_deps="dxva2"
2191 h264_dxva2_hwaccel_select="h264_decoder"
2192 h264_vaapi_hwaccel_deps="vaapi"
2193 h264_vaapi_hwaccel_select="h264_decoder"
2194 h264_vda_decoder_deps="vda"
2195 h264_vda_decoder_select="h264_decoder"
2196 h264_vda_hwaccel_deps="vda"
2197 h264_vda_hwaccel_select="h264_decoder"
2198 h264_vdpau_decoder_deps="vdpau"
2199 h264_vdpau_decoder_select="h264_decoder"
2200 h264_vdpau_hwaccel_deps="vdpau"
2201 h264_vdpau_hwaccel_select="h264_decoder"
2202 mpeg_vdpau_decoder_deps="vdpau"
2203 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2204 mpeg_xvmc_hwaccel_deps="xvmc"
2205 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2206 mpeg1_vdpau_decoder_deps="vdpau"
2207 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2208 mpeg1_vdpau_hwaccel_deps="vdpau"
2209 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2210 mpeg1_xvmc_hwaccel_deps="xvmc"
2211 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2212 mpeg2_crystalhd_decoder_select="crystalhd"
2213 mpeg2_dxva2_hwaccel_deps="dxva2"
2214 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2215 mpeg2_vaapi_hwaccel_deps="vaapi"
2216 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2217 mpeg2_vdpau_hwaccel_deps="vdpau"
2218 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2219 mpeg2_xvmc_hwaccel_deps="xvmc"
2220 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2221 mpeg4_crystalhd_decoder_select="crystalhd"
2222 mpeg4_vaapi_hwaccel_deps="vaapi"
2223 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2224 mpeg4_vdpau_decoder_deps="vdpau"
2225 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2226 mpeg4_vdpau_hwaccel_deps="vdpau"
2227 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2228 msmpeg4_crystalhd_decoder_select="crystalhd"
2229 vc1_crystalhd_decoder_select="crystalhd"
2230 vc1_dxva2_hwaccel_deps="dxva2"
2231 vc1_dxva2_hwaccel_select="vc1_decoder"
2232 vc1_vaapi_hwaccel_deps="vaapi"
2233 vc1_vaapi_hwaccel_select="vc1_decoder"
2234 vc1_vdpau_decoder_deps="vdpau"
2235 vc1_vdpau_decoder_select="vc1_decoder"
2236 vc1_vdpau_hwaccel_deps="vdpau"
2237 vc1_vdpau_hwaccel_select="vc1_decoder"
2238 wmv3_crystalhd_decoder_select="crystalhd"
2239 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2240 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2241 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2242 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2245 h264_parser_select="h264_decoder"
2246 hevc_parser_select="hevc_decoder"
2247 mpeg4video_parser_select="error_resilience h263dsp mpegvideo"
2248 mpegvideo_parser_select="error_resilience mpegvideo"
2249 vc1_parser_select="mpegvideo"
2251 # external libraries
2252 libaacplus_encoder_deps="libaacplus"
2253 libcelt_decoder_deps="libcelt"
2254 libfaac_encoder_deps="libfaac"
2255 libfaac_encoder_select="audio_frame_queue"
2256 libfdk_aac_decoder_deps="libfdk_aac"
2257 libfdk_aac_encoder_deps="libfdk_aac"
2258 libfdk_aac_encoder_select="audio_frame_queue"
2259 libgme_demuxer_deps="libgme"
2260 libgsm_decoder_deps="libgsm"
2261 libgsm_encoder_deps="libgsm"
2262 libgsm_ms_decoder_deps="libgsm"
2263 libgsm_ms_encoder_deps="libgsm"
2264 libilbc_decoder_deps="libilbc"
2265 libilbc_encoder_deps="libilbc"
2266 libmodplug_demuxer_deps="libmodplug"
2267 libmp3lame_encoder_deps="libmp3lame"
2268 libmp3lame_encoder_select="audio_frame_queue"
2269 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2270 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2271 libopencore_amrnb_encoder_select="audio_frame_queue"
2272 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2273 libopenjpeg_decoder_deps="libopenjpeg"
2274 libopenjpeg_encoder_deps="libopenjpeg"
2275 libopus_decoder_deps="libopus"
2276 libopus_encoder_deps="libopus"
2277 libopus_encoder_select="audio_frame_queue"
2278 libquvi_demuxer_deps="libquvi"
2279 libschroedinger_decoder_deps="libschroedinger"
2280 libschroedinger_encoder_deps="libschroedinger"
2281 libshine_encoder_deps="libshine"
2282 libshine_encoder_select="audio_frame_queue"
2283 libspeex_decoder_deps="libspeex"
2284 libspeex_encoder_deps="libspeex"
2285 libspeex_encoder_select="audio_frame_queue"
2286 libstagefright_h264_decoder_deps="libstagefright_h264"
2287 libtheora_encoder_deps="libtheora"
2288 libtwolame_encoder_deps="libtwolame"
2289 libvo_aacenc_encoder_deps="libvo_aacenc"
2290 libvo_aacenc_encoder_select="audio_frame_queue"
2291 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2292 libvorbis_decoder_deps="libvorbis"
2293 libvorbis_encoder_deps="libvorbis"
2294 libvorbis_encoder_select="audio_frame_queue"
2295 libvpx_vp8_decoder_deps="libvpx"
2296 libvpx_vp8_encoder_deps="libvpx"
2297 libvpx_vp9_decoder_deps="libvpx"
2298 libvpx_vp9_encoder_deps="libvpx"
2299 libwavpack_encoder_deps="libwavpack"
2300 libwebp_encoder_deps="libwebp"
2301 libx264_encoder_deps="libx264"
2302 libx264rgb_encoder_deps="libx264"
2303 libx265_encoder_deps="libx265"
2304 libxavs_encoder_deps="libxavs"
2305 libxvid_encoder_deps="libxvid"
2306 libutvideo_decoder_deps="libutvideo"
2307 libutvideo_encoder_deps="libutvideo"
2308 libzvbi_teletext_decoder_deps="libzvbi"
2311 ac3_demuxer_select="ac3_parser"
2312 asf_demuxer_select="riffdec"
2313 asf_muxer_select="riffenc"
2314 asf_stream_muxer_select="asf_muxer"
2315 avi_demuxer_select="riffdec exif"
2316 avi_muxer_select="riffenc"
2317 avisynth_demuxer_deps="avisynth"
2318 avisynth_demuxer_select="riffdec"
2319 caf_demuxer_select="riffdec"
2320 dirac_demuxer_select="dirac_parser"
2321 dts_demuxer_select="dca_parser"
2322 dtshd_demuxer_select="dca_parser"
2323 dxa_demuxer_select="riffdec"
2324 eac3_demuxer_select="ac3_parser"
2325 f4v_muxer_select="mov_muxer"
2326 flac_demuxer_select="flac_parser"
2327 hds_muxer_select="flv_muxer"
2328 hls_muxer_select="mpegts_muxer"
2329 image2_alias_pix_demuxer_select="image2_demuxer"
2330 image2_brender_pix_demuxer_select="image2_demuxer"
2331 ipod_muxer_select="mov_muxer"
2332 ismv_muxer_select="mov_muxer"
2333 libnut_demuxer_deps="libnut"
2334 libnut_muxer_deps="libnut"
2335 matroska_audio_muxer_select="matroska_muxer"
2336 matroska_demuxer_select="riffdec"
2337 matroska_demuxer_suggest="bzlib lzo zlib"
2338 matroska_muxer_select="riffenc"
2339 mmf_muxer_select="riffenc"
2340 mov_demuxer_select="riffdec"
2341 mov_demuxer_suggest="zlib"
2342 mov_muxer_select="riffenc rtpenc_chain"
2343 mp3_demuxer_select="mpegaudio_parser"
2344 mp4_muxer_select="mov_muxer"
2345 mpegts_muxer_select="adts_muxer latm_muxer"
2346 mpegtsraw_demuxer_select="mpegts_demuxer"
2347 mxf_d10_muxer_select="mxf_muxer"
2348 nut_muxer_select="riffenc"
2349 nuv_demuxer_select="riffdec"
2350 ogg_demuxer_select="golomb"
2351 psp_muxer_select="mov_muxer"
2352 rtp_demuxer_select="sdp_demuxer"
2353 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2354 rtsp_demuxer_select="http_protocol rtpdec"
2355 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2356 sap_demuxer_select="sdp_demuxer"
2357 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2358 sdp_demuxer_select="rtpdec"
2359 smoothstreaming_muxer_select="ismv_muxer"
2360 spdif_muxer_select="aac_parser"
2361 tak_demuxer_select="tak_parser"
2362 tg2_muxer_select="mov_muxer"
2363 tgp_muxer_select="mov_muxer"
2364 vobsub_demuxer_select="mpegps_demuxer"
2365 w64_demuxer_select="wav_demuxer"
2366 w64_muxer_select="wav_muxer"
2367 wav_demuxer_select="riffdec"
2368 wav_muxer_select="riffenc"
2369 webm_muxer_select="riffenc"
2370 wtv_demuxer_select="riffdec"
2371 wtv_muxer_select="riffenc"
2372 xmv_demuxer_select="riffdec"
2373 xwma_demuxer_select="riffdec"
2376 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2377 alsa_outdev_deps="alsa_asoundlib_h"
2378 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2379 avfoundation_indev_select="avfoundation"
2380 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2381 caca_outdev_deps="libcaca"
2382 decklink_outdev_deps="decklink pthreads"
2383 decklink_outdev_extralibs="-lstdc++"
2384 dshow_indev_deps="IBaseFilter"
2385 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2386 dv1394_indev_deps="dv1394"
2387 dv1394_indev_select="dv_demuxer"
2388 fbdev_indev_deps="linux_fb_h"
2389 fbdev_outdev_deps="linux_fb_h"
2390 gdigrab_indev_deps="CreateDIBSection"
2391 gdigrab_indev_extralibs="-lgdi32"
2392 gdigrab_indev_select="bmp_decoder"
2393 iec61883_indev_deps="libiec61883"
2394 jack_indev_deps="jack_jack_h sem_timedwait"
2395 lavfi_indev_deps="avfilter"
2396 libcdio_indev_deps="libcdio"
2397 libdc1394_indev_deps="libdc1394"
2398 libv4l2_indev_deps="libv4l2"
2399 openal_indev_deps="openal"
2400 opengl_outdev_deps="opengl"
2401 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2402 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2403 pulse_indev_deps="libpulse"
2404 pulse_outdev_deps="libpulse"
2405 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2406 qtkit_indev_select="qtkit"
2407 sdl_outdev_deps="sdl"
2408 sndio_indev_deps="sndio_h"
2409 sndio_outdev_deps="sndio_h"
2410 v4l_indev_deps="linux_videodev_h"
2411 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2412 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2413 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2414 vfwcap_indev_extralibs="-lavicap32"
2415 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2416 xv_outdev_extralibs="-lXv -lX11 -lXext"
2417 x11grab_indev_deps="x11grab"
2420 bluray_protocol_deps="libbluray"
2421 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2422 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2423 ffrtmpcrypt_protocol_select="tcp_protocol"
2424 ffrtmphttp_protocol_deps="!librtmp_protocol"
2425 ffrtmphttp_protocol_select="http_protocol"
2426 ftp_protocol_select="tcp_protocol"
2427 gopher_protocol_select="network"
2428 http_protocol_select="tcp_protocol"
2429 httpproxy_protocol_select="tcp_protocol"
2430 https_protocol_select="tls_protocol"
2431 librtmp_protocol_deps="librtmp"
2432 librtmpe_protocol_deps="librtmp"
2433 librtmps_protocol_deps="librtmp"
2434 librtmpt_protocol_deps="librtmp"
2435 librtmpte_protocol_deps="librtmp"
2436 libssh_protocol_deps="libssh"
2437 mmsh_protocol_select="http_protocol"
2438 mmst_protocol_select="network"
2439 rtmp_protocol_deps="!librtmp_protocol"
2440 rtmp_protocol_select="tcp_protocol"
2441 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2442 rtmps_protocol_deps="!librtmp_protocol"
2443 rtmps_protocol_select="tls_protocol"
2444 rtmpt_protocol_select="ffrtmphttp_protocol"
2445 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2446 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2447 rtp_protocol_select="udp_protocol"
2448 sctp_protocol_deps="struct_sctp_event_subscribe"
2449 sctp_protocol_select="network"
2450 srtp_protocol_select="rtp_protocol"
2451 tcp_protocol_select="network"
2452 tls_protocol_deps_any="openssl gnutls"
2453 tls_protocol_select="tcp_protocol"
2454 udp_protocol_select="network"
2455 unix_protocol_deps="sys_un_h"
2456 unix_protocol_select="network"
2459 aconvert_filter_deps="swresample"
2460 amovie_filter_deps="avcodec avformat"
2461 aresample_filter_deps="swresample"
2462 ass_filter_deps="libass"
2463 asyncts_filter_deps="avresample"
2464 atempo_filter_deps="avcodec"
2465 atempo_filter_select="rdft"
2466 azmq_filter_deps="libzmq"
2467 blackframe_filter_deps="gpl"
2468 boxblur_filter_deps="gpl"
2469 bs2b_filter_deps="libbs2b"
2470 colormatrix_filter_deps="gpl"
2471 cropdetect_filter_deps="gpl"
2472 dctdnoiz_filter_deps="avcodec"
2473 dctdnoiz_filter_select="dct"
2474 delogo_filter_deps="gpl"
2475 deshake_filter_deps="avcodec"
2476 deshake_filter_select="dsputil"
2477 drawtext_filter_deps="libfreetype"
2478 ebur128_filter_deps="gpl"
2479 flite_filter_deps="libflite"
2480 frei0r_filter_deps="frei0r dlopen"
2481 frei0r_filter_extralibs='$ldl'
2482 frei0r_src_filter_deps="frei0r dlopen"
2483 frei0r_src_filter_extralibs='$ldl'
2484 geq_filter_deps="gpl"
2485 histeq_filter_deps="gpl"
2486 hqdn3d_filter_deps="gpl"
2487 interlace_filter_deps="gpl"
2488 kerndeint_filter_deps="gpl"
2489 ladspa_filter_deps="ladspa dlopen"
2490 mcdeint_filter_deps="avcodec gpl"
2491 movie_filter_deps="avcodec avformat"
2492 mp_filter_deps="gpl avcodec swscale inline_asm"
2493 mpdecimate_filter_deps="gpl avcodec"
2494 mptestsrc_filter_deps="gpl"
2495 negate_filter_deps="lut_filter"
2496 perspective_filter_deps="gpl"
2497 ocv_filter_deps="libopencv"
2498 owdenoise_filter_deps="gpl"
2499 pan_filter_deps="swresample"
2500 phase_filter_deps="gpl"
2501 pp_filter_deps="gpl postproc"
2502 pullup_filter_deps="gpl"
2503 removelogo_filter_deps="avcodec avformat swscale"
2504 resample_filter_deps="avresample"
2505 sab_filter_deps="gpl swscale"
2506 scale_filter_deps="swscale"
2507 smartblur_filter_deps="gpl swscale"
2508 showspectrum_filter_deps="avcodec"
2509 showspectrum_filter_select="rdft"
2510 spp_filter_deps="gpl avcodec"
2511 spp_filter_select="fft"
2512 stereo3d_filter_deps="gpl"
2513 subtitles_filter_deps="avformat avcodec libass"
2514 super2xsai_filter_deps="gpl"
2515 tinterlace_filter_deps="gpl"
2516 vidstabdetect_filter_deps="libvidstab"
2517 vidstabtransform_filter_deps="libvidstab"
2518 pixfmts_super2xsai_test_deps="super2xsai_filter"
2519 tinterlace_merge_test_deps="tinterlace_filter"
2520 tinterlace_pad_test_deps="tinterlace_filter"
2521 zmq_filter_deps="libzmq"
2524 avio_reading="avformat avcodec avutil"
2525 avcodec_example_deps="avcodec avutil"
2526 demuxing_decoding_example_deps="avcodec avformat avutil"
2527 filter_audio_example_deps="avfilter avutil"
2528 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2529 filtering_video_example_deps="avfilter avcodec avformat avutil"
2530 metadata_example_deps="avformat avutil"
2531 muxing_example_deps="avcodec avformat avutil swscale"
2532 remuxing_example_deps="avcodec avformat avutil"
2533 resampling_audio_example_deps="avutil swresample"
2534 scaling_video_example_deps="avutil swscale"
2535 transcode_aac_example_deps="avcodec avformat swresample"
2536 transcoding_example_deps="avfilter avcodec avformat avutil"
2539 avcodec_deps="avutil"
2540 avdevice_deps="avutil avcodec avformat"
2541 avfilter_deps="avutil"
2542 avformat_deps="avutil avcodec"
2543 avresample_deps="avutil"
2544 postproc_deps="avutil gpl"
2545 swscale_deps="avutil"
2548 ffmpeg_deps="avcodec avfilter avformat swresample"
2549 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2551 setpts_filter trim_filter"
2552 ffplay_deps="avcodec avformat swscale swresample sdl"
2553 ffplay_libs='$sdl_libs'
2554 ffplay_select="rdft crop_filter"
2555 ffprobe_deps="avcodec avformat"
2556 ffserver_deps="avformat fork sarestart"
2557 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2560 podpages_deps="perl"
2561 manpages_deps="perl pod2man"
2562 htmlpages_deps="perl texi2html"
2563 txtpages_deps="perl makeinfo"
2564 doc_deps_any="manpages htmlpages podpages txtpages"
2566 # default parameters
2568 logfile="config.log"
2570 # installation paths
2571 prefix_default="/usr/local"
2572 bindir_default='${prefix}/bin'
2573 datadir_default='${prefix}/share/ffmpeg'
2574 docdir_default='${prefix}/share/doc/ffmpeg'
2575 incdir_default='${prefix}/include'
2576 libdir_default='${prefix}/lib'
2577 mandir_default='${prefix}/share/man'
2578 shlibdir_default="$libdir_default"
2584 host_cc_default="gcc"
2590 pkg_config_default=pkg-config
2591 ranlib_default="ranlib"
2592 strip_default="strip"
2593 yasmexe_default="yasm"
2594 windres_default="windres"
2599 target_os_default=$(tolower $(uname -s))
2600 host_os=$target_os_default
2603 if test "$target_os_default" = aix; then
2604 arch_default=$(uname -p)
2606 arch_default=$(uname -m)
2610 # configurable options
2611 enable $PROGRAM_LIST
2612 enable $DOCUMENT_LIST
2613 enable $EXAMPLE_LIST
2614 enable $(filter_out avresample $LIBRARY_LIST)
2620 enable optimizations
2621 enable runtime_cpudetect
2622 enable safe_bitstream_reader
2624 enable swscale_alpha
2626 # Enable hwaccels by default.
2627 enable dxva2 vaapi vda vdpau xvmc
2631 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2634 FULLNAME='$(NAME)$(BUILDSUF)'
2635 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2638 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2639 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2640 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2641 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2642 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2643 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2665 host_cflags_filter=echo
2666 host_ldflags_filter=echo
2668 target_path='$(CURDIR)'
2670 # since the object filename is not given with the -MM flag, the compiler
2671 # is only able to print the basename, and we must add the path ourselves
2672 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2676 if test -f configure; then
2679 source_path=$(cd $(dirname "$0"); pwd)
2680 echo "$source_path" | grep -q '[[:blank:]]' &&
2681 die "Out of tree builds are impossible with whitespace in source path."
2682 test -e "$source_path/config.h" &&
2683 die "Out of tree builds are impossible with config.h in source dir."
2690 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2696 file=$source_path/$3
2697 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2700 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2701 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2702 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2703 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2704 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2705 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2706 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2707 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2708 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2709 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2710 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2726 for n in $COMPONENT_LIST; do
2727 v=$(toupper ${n%s})_LIST
2729 eval ${n}_if_any="\$$v"
2732 enable $ARCH_EXT_LIST
2735 echo "Unknown option \"$1\"."
2736 echo "See $0 --help for available options."
2741 cat | tr ' ' '\n' | sort | pr -r -3 -t
2747 echo $* | sed s/$suffix//g | print_3_columns
2759 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2760 echo "prob ${prob:-0.5}"
2768 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2769 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2779 add_extralibs $optval
2782 disable $INDEV_LIST $OUTDEV_LIST
2785 debuglevel="$optval"
2788 disable $PROGRAM_LIST
2790 --disable-everything)
2791 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2794 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2795 disable $LIBRARY_LIST $PROGRAM_LIST doc
2797 --enable-random|--disable-random)
2798 action=${opt%%-random}
2799 do_random ${action#--} $COMPONENT_LIST
2801 --enable-random=*|--disable-random=*)
2802 action=${opt%%-random=*}
2803 do_random ${action#--} $optval
2805 --enable-*=*|--disable-*=*)
2806 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2807 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2808 eval list=\$$(toupper $thing)_LIST
2809 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2810 list=$(filter "$name" $list)
2811 [ "$list" = "" ] && warn "Option $opt did not match anything"
2814 --enable-?*|--disable-?*)
2815 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2816 if is_in $option $COMPONENT_LIST; then
2817 test $action = disable && action=unset
2818 eval $action \$$(toupper ${option%s})_LIST
2819 elif is_in $option $CMDLINE_SELECT; then
2826 NAME="${opt#--list-}"
2827 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2829 eval show_list $NAME \$$(toupper $NAME)_LIST
2831 --help|-h) show_help
2833 --fatal-warnings) enable fatal_warnings
2836 optname="${opt%%=*}"
2837 optname="${optname#--}"
2838 optname=$(echo "$optname" | sed 's/-/_/g')
2839 if is_in $optname $CMDLINE_SET; then
2840 eval $optname='$optval'
2841 elif is_in $optname $CMDLINE_APPEND; then
2842 append $optname "$optval"
2850 disabled logging && logfile=/dev/null
2852 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2855 test -n "$cross_prefix" && enable cross_compile
2857 if enabled cross_compile; then
2858 test -n "$arch" && test -n "$target_os" ||
2859 die "Must specify target arch and OS when cross-compiling"
2862 ar_default="${cross_prefix}${ar_default}"
2863 cc_default="${cross_prefix}${cc_default}"
2864 cxx_default="${cross_prefix}${cxx_default}"
2865 nm_default="${cross_prefix}${nm_default}"
2866 pkg_config_default="${cross_prefix}${pkg_config_default}"
2867 ranlib_default="${cross_prefix}${ranlib_default}"
2868 strip_default="${cross_prefix}${strip_default}"
2869 windres_default="${cross_prefix}${windres_default}"
2871 sysinclude_default="${sysroot}/usr/include"
2873 test -n "$valgrind" && toolchain="valgrind-memcheck"
2875 case "$toolchain" in
2878 add_cflags -fsanitize=address
2879 add_ldflags -fsanitize=address
2883 add_cflags -fsanitize=thread -pie
2884 add_ldflags -fsanitize=thread -pie
2888 add_cflags -fsanitize=undefined
2889 add_ldflags -fsanitize=undefined
2893 add_cflags -fsanitize=address
2894 add_ldflags -fsanitize=address
2898 add_cflags -fsanitize=thread -pie -fPIC
2899 add_ldflags -fsanitize=thread -pie -fPIC
2903 add_cflags -fsanitize=undefined
2904 add_ldflags -fsanitize=undefined
2907 target_exec_default=${valgrind:-"valgrind"}
2908 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"
2911 target_exec_default=${valgrind:-"valgrind"}
2912 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2915 # Check whether the current MSVC version needs the C99 converter.
2916 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2917 # support enough of C99 to build ffmpeg. Default to the new
2918 # behaviour if the regexp was unable to match anything, since this
2919 # successfully parses the version number of existing supported
2920 # versions that require the converter (MSVC 2010 and 2012).
2921 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2922 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2925 cc_default="c99wrap cl"
2928 nm_default="dumpbin -symbols"
2930 target_os_default="win32"
2931 # Use a relative path for TMPDIR. This makes sure all the
2932 # ffconf temp files are written with a relative path, avoiding
2933 # issues with msys/win32 path conversion for MSVC parameters
2934 # such as -Fo<file> or -out:<file>.
2940 nm_default="dumpbin -symbols"
2942 target_os_default="win32"
2946 add_cflags -fprofile-arcs -ftest-coverage
2947 add_ldflags -fprofile-arcs -ftest-coverage
2950 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2951 add_ldflags -Wl,-z,relro -Wl,-z,now
2954 die "Unknown toolchain $toolchain"
2958 set_default arch cc cxx pkg_config ranlib strip sysinclude target_exec target_os yasmexe
2959 enabled cross_compile || host_cc_default=$cc
2962 if ! $pkg_config --version >/dev/null 2>&1; then
2963 warn "$pkg_config not found, library detection may fail."
2969 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2973 EXESUF=$(exesuf $target_os)
2974 HOSTEXESUF=$(exesuf $host_os)
2976 # set temporary file name
2977 : ${TMPDIR:=$TEMPDIR}
2981 if [ -n "$tempprefix" ] ; then
2983 echo $tempprefix.${HOSTNAME}.${UID}
2985 elif ! check_cmd mktemp -u XXXXXX; then
2986 # simple replacement for missing mktemp
2987 # NOT SAFE FOR GENERAL USE
2989 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2994 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2995 (set -C; exec > $tmp) 2>/dev/null ||
2996 die "Unable to create temporary file in $TMPDIR."
2997 append TMPFILES $tmp
3001 trap 'rm -f -- $TMPFILES' EXIT
3006 tmpfile TMPE $EXESUF
3018 # make sure we can execute files in $TMPDIR
3019 cat > $TMPSH 2>> $logfile <<EOF
3022 chmod +x $TMPSH >> $logfile 2>&1
3023 if ! $TMPSH >> $logfile 2>&1; then
3025 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3026 variable to another directory and make sure that it is not mounted noexec.
3028 die "Sanity test failed."
3034 -std=c99) echo -c99 ;;
3035 -mcpu=*) echo -arch ${flag#*=} ;;
3036 -mieee) echo -ieee ;;
3037 -O*|-fast) echo $flag ;;
3038 -fno-math-errno) echo -assume nomath_errno ;;
3040 -Wall) echo -msg_enable level2 ;;
3041 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3042 -Wl,*) echo $flag ;;
3052 -Wno-switch) echo -Wno-switch-enum ;;
3053 -Wno-format-zero-length) ;;
3054 -Wdisabled-optimization) ;;
3055 -Wno-pointer-sign) echo -Wno-other ;;
3061 msvc_common_flags(){
3064 # In addition to specifying certain flags under the compiler
3065 # specific filters, they must be specified here as well or else the
3066 # generic catch all at the bottom will print the original flag.
3070 -fomit-frame-pointer) ;;
3074 -fno-signed-zeros) ;;
3078 -lz) echo zlib.lib ;;
3079 -lavifil32) echo vfw32.lib ;;
3080 -lavicap32) echo vfw32.lib user32.lib ;;
3081 -l*) echo ${flag#-l}.lib ;;
3088 msvc_common_flags "$@"
3091 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3092 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3093 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3101 msvc_common_flags "$@"
3104 # Despite what Intel's documentation says -Wall, which is supported
3105 # on Windows, does enable remarks so disable them here.
3106 -Wall) echo $flag -Qdiag-disable:remark ;;
3107 -std=c99) echo -Qstd=c99 ;;
3115 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3116 -fomit-frame-pointer) echo -Mnoframe ;;
3127 case "${flag#*=}" in
3128 native) echo -xtarget=native ;;
3129 v9|niagara) echo -xarch=sparc ;;
3130 ultrasparc) echo -xarch=sparcvis ;;
3131 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3132 i586|pentium) echo -xchip=pentium ;;
3133 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3134 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3135 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3136 pentium4*) echo -xtarget=pentium4 ;;
3137 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3138 *-sse3) echo -xarch=sse3 ;;
3139 core2) echo -xarch=ssse3 -xchip=core2 ;;
3140 bonnell) echo -xarch=ssse3 ;;
3141 corei7|nehalem) echo -xtarget=nehalem ;;
3142 westmere) echo -xtarget=westmere ;;
3143 silvermont) echo -xarch=sse4_2 ;;
3144 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3145 core-avx*|ivybridge|haswell|broadwell)
3147 amdfam10|barcelona) echo -xtarget=barcelona ;;
3148 btver1) echo -xarch=amdsse4a ;;
3149 btver2|bdver*) echo -xarch=avx ;;
3150 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3151 k8|opteron|athlon64|athlon-fx)
3152 echo -xarch=sse2a ;;
3153 athlon*) echo -xarch=pentium_proa ;;
3156 -std=c99) echo -xc99 ;;
3157 -fomit-frame-pointer) echo -xregs=frameptr ;;
3158 -fPIC) echo -KPIC -xcode=pic32 ;;
3159 -W*,*) echo $flag ;;
3160 -f*-*|-W*|-mimpure-text) ;;
3171 case "${flag#*=}" in
3172 armv7-a|cortex-a*) echo -mv=7a8 ;;
3173 armv7-r|cortex-r*) echo -mv=7r4 ;;
3174 armv7-m|cortex-m*) echo -mv=7m3 ;;
3175 armv6*|arm11*) echo -mv=6 ;;
3176 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3178 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3181 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3182 -mfpu=vfp) echo --float_support=vfpv2 ;;
3183 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3184 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3185 -msoft-float) echo --float_support=vfplib ;;
3186 -O[0-3]|-mf=*) echo $flag ;;
3188 -pds=*) echo $flag ;;
3189 -D*|-I*) echo $flag ;;
3190 --gcc|--abi=*) echo $flag ;;
3200 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3201 unset _ld_o _ldflags _ld_lib _ld_path
3202 unset _depflags _DEPCMD _DEPFLAGS
3205 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3206 true # no-op to avoid reading stdin in following checks
3207 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3209 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3210 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3211 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3214 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3216 gcc_version=$($_cc --version | head -n1)
3217 gcc_basever=$($_cc -dumpversion)
3218 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3219 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3220 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3221 if ! $_cc -dumpversion | grep -q '^2\.'; then
3222 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3226 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3228 _ident=$($_cc --version | head -n1)
3233 elif $_cc -v 2>&1 | grep -q xlc; then
3235 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3237 _cflags_size='-O5 -qcompact'
3238 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3240 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3242 _cflags_speed='-fast'
3244 _flags_filter=ccc_flags
3245 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3246 test -d "$sysroot" || die "No valid sysroot specified."
3248 _ident=$($_cc --vsn | head -n1 | sed 's/.*: //')
3249 armcc_conf="$PWD/armcc.conf"
3250 $_cc --arm_linux_configure \
3251 --arm_linux_config_file="$armcc_conf" \
3252 --configure_sysroot="$sysroot" \
3253 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3254 die "Error creating armcc configuration file."
3255 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3256 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3257 as_default="${cross_prefix}gcc"
3261 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3263 _ident=$($_cc -version | head -n1 | tr -s ' ')
3264 _flags='--gcc --abi=eabi -me'
3267 _depflags='-ppa -ppd=$(@:.o=.d)'
3268 _cflags_speed='-O3 -mf=5'
3269 _cflags_size='-O3 -mf=2'
3270 _flags_filter=tms470_flags
3271 elif $_cc -v 2>&1 | grep -q clang; then
3273 _ident=$($_cc --version | head -n1)
3274 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3277 elif $_cc -V 2>&1 | grep -q Sun; then
3279 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3280 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3281 _DEPFLAGS='-xM1 -xc99'
3284 _cflags_size='-O5 -xspace'
3285 _flags_filter=suncc_flags
3286 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3288 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3289 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3292 _flags_filter='filter_out -Wdisabled-optimization'
3293 elif $_cc -v 2>&1 | grep -q Open64; then
3295 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3296 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3299 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3300 elif $_cc -V 2>&1 | grep -q Portland; then
3302 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3303 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3304 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3305 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3307 _flags_filter=pgi_flags
3308 elif $_cc 2>&1 | grep -q Microsoft; then
3310 _ident=$($cc 2>&1 | head -n1)
3311 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3312 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3315 if $_cc 2>&1 | grep -q Linker; then
3322 _flags_filter=msvc_flags
3324 _ld_path='-libpath:'
3326 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3327 if [ $pfx = hostcc ]; then
3328 append _cflags -Dsnprintf=_snprintf
3331 elif $_cc 2>&1 | grep -q Intel; then
3333 _ident=$($cc 2>&1 | head -n1)
3334 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3335 # Not only is O3 broken on 13.x+ but it is slower on all previous
3336 # versions (tested) as well.
3338 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3339 if $_cc 2>&1 | grep -q Linker; then
3346 _flags_filter=icl_flags
3348 _ld_path='-libpath:'
3349 # -Qdiag-error to make icl error when seeing certain unknown arguments
3350 _flags='-nologo -Qdiag-error:4044,10157'
3351 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3352 # with MSVC which enables it by default.
3353 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3354 if [ $pfx = hostcc ]; then
3355 append _cflags -Dsnprintf=_snprintf
3357 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3359 _ident=$($_cc --version | head -n1)
3363 _flags_filter=cparser_flags
3366 eval ${pfx}_type=\$_type
3367 eval ${pfx}_ident=\$_ident
3371 eval ${1}_C=\${_cc_c-\${${1}_C}}
3372 eval ${1}_E=\${_cc_e-\${${1}_E}}
3373 eval ${1}_O=\${_cc_o-\${${1}_O}}
3375 if [ -n "$_depflags" ]; then
3376 eval ${1}_DEPFLAGS=\$_depflags
3378 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3379 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3380 eval DEP${1}FLAGS=\$_flags
3385 cflags_filter=$_flags_filter
3386 cflags_speed=$_cflags_speed
3387 cflags_size=$_cflags_size
3388 cflags_noopt=$_cflags_noopt
3389 add_cflags $_flags $_cflags
3390 cc_ldflags=$_ldflags
3393 probe_cc hostcc "$host_cc"
3394 host_cflags_filter=$_flags_filter
3395 add_host_cflags $_flags $_cflags
3398 test -n "$cc_type" && enable $cc_type ||
3399 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3401 : ${as_default:=$cc}
3402 : ${dep_cc_default:=$cc}
3403 : ${ld_default:=$cc}
3404 : ${host_ld_default:=$host_cc}
3405 set_default ar as dep_cc ld host_ld windres
3408 asflags_filter=$_flags_filter
3409 add_asflags $_flags $_cflags
3413 ldflags_filter=$_flags_filter
3414 add_ldflags $_flags $_ldflags
3415 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3417 LD_LIB=${_ld_lib-$LD_LIB}
3418 LD_PATH=${_ld_path-$LD_PATH}
3420 probe_cc hostld "$host_ld"
3421 host_ldflags_filter=$_flags_filter
3422 add_host_ldflags $_flags $_ldflags
3423 HOSTLD_O=${_ld_o-$HOSTLD_O}
3425 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3426 probe_cc depcc "$dep_cc"
3427 CCDEP=${_DEPCMD:-$DEPCMD}
3428 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3432 if $ar 2>&1 | grep -q Microsoft; then
3435 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3438 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3439 arflags='-Xany -r -c'
3446 add_cflags $extra_cflags
3447 add_cxxflags $extra_cxxflags
3448 add_asflags $extra_cflags
3450 if test -n "$sysroot"; then
3453 add_cppflags --sysroot="$sysroot"
3454 add_ldflags --sysroot="$sysroot"
3455 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3456 add_cppflags -isysroot "$sysroot"
3457 add_ldflags -isysroot "$sysroot"
3460 add_cppflags -I"$sysinclude"
3461 add_ldflags --sysroot="$sysroot"
3466 if test "$cpu" = host; then
3467 enabled cross_compile &&
3468 die "--cpu=host makes no sense when cross-compiling."
3473 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3475 s/.*$1=\\([^ ]*\\).*/\\1/
3480 cpu=$(check_native -march || check_native -mcpu)
3484 test "${cpu:-host}" = host &&
3485 die "--cpu=host not supported with compiler $cc"
3488 # Deal with common $arch aliases
3502 "Power Macintosh"|ppc*|powerpc*)
3517 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3522 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3525 # Add processor-specific flags
3526 if enabled aarch64; then
3530 cpuflags="-march=$cpu"
3533 cpuflags="-mcpu=$cpu"
3537 elif enabled alpha; then
3539 cpuflags="-mcpu=$cpu"
3541 elif enabled arm; then
3544 check_cpp_condition stddef.h \
3545 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3550 if check_arm_arch 4; then echo armv4;
3551 elif check_arm_arch 4T; then echo armv4t;
3552 elif check_arm_arch 5; then echo armv5;
3553 elif check_arm_arch 5E; then echo armv5e;
3554 elif check_arm_arch 5T; then echo armv5t;
3555 elif check_arm_arch 5TE; then echo armv5te;
3556 elif check_arm_arch 5TEJ; then echo armv5te;
3557 elif check_arm_arch 6; then echo armv6;
3558 elif check_arm_arch 6J; then echo armv6j;
3559 elif check_arm_arch 6K; then echo armv6k;
3560 elif check_arm_arch 6Z; then echo armv6z;
3561 elif check_arm_arch 6ZK; then echo armv6zk;
3562 elif check_arm_arch 6T2; then echo armv6t2;
3563 elif check_arm_arch 7; then echo armv7;
3564 elif check_arm_arch 7A 7_A; then echo armv7-a;
3565 elif check_arm_arch 7R 7_R; then echo armv7-r;
3566 elif check_arm_arch 7M 7_M; then echo armv7-m;
3567 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3568 elif check_arm_arch 8A 8_A; then echo armv8-a;
3572 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3576 cpuflags="-march=$cpu"
3577 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3580 cpuflags="-mcpu=$cpu"
3582 cortex-a*) subarch=armv7a ;;
3583 cortex-r*) subarch=armv7r ;;
3584 cortex-m*) enable thumb; subarch=armv7m ;;
3585 arm11*) subarch=armv6 ;;
3586 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3587 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3588 *) subarch=$(probe_arm_arch) ;;
3594 armv5t*) enable fast_clz ;;
3595 armv[6-8]*) enable fast_clz fast_unaligned ;;
3598 elif enabled avr32; then
3603 cpuflags="-mpart=$cpu"
3607 cpuflags="-march=$cpu"
3611 cpuflags="-mcpu=$cpu"
3615 cpuflags="-march=$cpu"
3619 elif enabled bfin; then
3621 cpuflags="-mcpu=$cpu"
3623 elif enabled mips; then
3625 cpuflags="-march=$cpu"
3641 24kef*|34kf*|1004kf*)
3649 elif enabled ppc; then
3653 case $(tolower $cpu) in
3654 601|ppc601|powerpc601)
3655 cpuflags="-mcpu=601"
3658 603*|ppc603*|powerpc603*)
3659 cpuflags="-mcpu=603"
3662 604*|ppc604*|powerpc604*)
3663 cpuflags="-mcpu=604"
3666 g3|75*|ppc75*|powerpc75*)
3667 cpuflags="-mcpu=750"
3670 g4|745*|ppc745*|powerpc745*)
3671 cpuflags="-mcpu=7450"
3673 74*|ppc74*|powerpc74*)
3674 cpuflags="-mcpu=7400"
3676 g5|970|ppc970|powerpc970)
3677 cpuflags="-mcpu=970"
3680 cpuflags="-mcpu=$cpu"
3683 cpuflags="-mcpu=cell"
3687 cpuflags="-mcpu=e500mc"
3691 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3696 cpuflags="-mcpu=8540 -mhard-float"
3702 elif enabled sparc; then
3705 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3706 cpuflags="-mcpu=$cpu"
3708 ultrasparc*|niagara[234])
3709 cpuflags="-mcpu=$cpu"
3713 elif enabled x86; then
3717 cpuflags="-march=$cpu"
3720 # targets that do NOT support nopl and conditional mov (cmov)
3721 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3722 cpuflags="-march=$cpu"
3725 # targets that do support nopl and conditional mov (cmov)
3726 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
3727 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
3728 cpuflags="-march=$cpu"
3732 # targets that do support conditional mov but on which it's slow
3733 pentium4|pentium4m|prescott|nocona)
3734 cpuflags="-march=$cpu"
3742 if [ "$cpu" != generic ]; then
3743 add_cflags $cpuflags
3744 add_asflags $cpuflags
3747 # compiler sanity check
3749 int main(void){ return 0; }
3751 if test "$?" != 0; then
3752 echo "$cc is unable to create an executable file."
3753 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3754 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3755 echo "Only do this if you know what cross compiling means."
3757 die "C compiler test failed."
3760 add_cppflags -D_ISOC99_SOURCE
3761 add_cxxflags -D__STDC_CONSTANT_MACROS
3762 check_cflags -std=c99
3763 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3766 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3770 add_host_cppflags -D_ISOC99_SOURCE
3771 check_host_cflags -std=c99
3772 check_host_cflags -Wall
3773 check_host_cflags -O3
3779 check_code cc "" "int test[2*($expr) - 1]" &&
3780 subarch=$arch64 || subarch=$arch32
3788 check_64bit mips mips64 '_MIPS_SIM > 1'
3792 check_64bit parisc parisc64 'sizeof(void *) > 4'
3796 check_64bit ppc ppc64 'sizeof(void *) > 4'
3800 check_64bit s390 s390x 'sizeof(void *) > 4'
3804 check_64bit sparc sparc64 'sizeof(void *) > 4'
3808 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3809 if test "$subarch" = "x86_64"; then
3814 check_cc <<EOF && subarch="ppc64"
3815 int test[(int)sizeof(char*) - 7];
3821 enabled spic && enable_weak pic
3827 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3828 enabled shared && add_ldflags -Wl,-brtl
3831 prefix_default="/boot/common"
3832 network_extralibs="-lnetwork"
3836 SHFLAGS='-shared -Wl,-h,$$(@F)'
3837 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3838 network_extralibs="-lsocket -lnsl"
3839 # When using suncc to build, the Solaris linker will mark
3840 # an executable with each instruction set encountered by
3841 # the Solaris assembler. As our libraries contain their own
3842 # guards for processor-specific code, instead suppress
3843 # generation of the HWCAPS ELF section on Solaris x86 only.
3844 enabled_all suncc x86 &&
3845 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3846 add_ldflags -Wl,-M,mapfile
3847 nm_default='nm -P -g'
3851 oss_indev_extralibs="-lossaudio"
3852 oss_outdev_extralibs="-lossaudio"
3853 enabled gcc || check_ldflags -Wl,-zmuldefs
3858 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3860 oss_indev_extralibs="-lossaudio"
3861 oss_outdev_extralibs="-lossaudio"
3869 add_extralibs -lpoll -lgnugetopt
3873 test "${as#*gas-preprocessor.pl}" != "$as" || gas="${gas:=gas-preprocessor.pl} ${as:=$cc}"
3874 enabled ppc && add_asflags -force_cpusubtype_ALL
3875 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3876 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3878 add_ldflags -Wl,-dynamic,-search_paths_first
3880 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3881 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3883 enabled x86_64 && objformat="macho64"
3884 enabled_any pic shared ||
3885 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3888 if test $target_os = "mingw32ce"; then
3894 if enabled x86_64; then
3895 LIBTARGET="i386:x86-64"
3896 elif enabled arm; then
3899 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3900 check_ldflags -Wl,--nxcompat
3901 check_ldflags -Wl,--dynamicbase
3902 shlibdir_default="$bindir_default"
3905 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3906 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3907 dlltool="${cross_prefix}dlltool"
3908 if check_cmd lib.exe -list; then
3909 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3910 if enabled x86_64; then
3913 elif check_cmd $dlltool --version; then
3914 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3916 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3918 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3919 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3920 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3927 if enabled shared; then
3928 # Link to the import library instead of the normal static library
3931 # Cannot build both shared and static libs with MSVC or icl.
3934 shlibdir_default="$bindir_default"
3937 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3938 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3939 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3940 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3942 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3943 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3944 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3951 shlibdir_default="$bindir_default"
3954 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3955 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3956 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3958 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3959 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3962 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3964 *-dos|freedos|opendos)
3965 network_extralibs="-lsocket"
3968 add_cppflags -U__STRICT_ANSI__
3975 ranlib="echo ignoring ranlib"
3981 add_cppflags -D_GNU_SOURCE
3982 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3983 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3987 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3988 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3989 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3990 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3991 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3992 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3993 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3994 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3995 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3996 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3997 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3999 enable_weak os2threads
4002 add_cppflags -D_BSD_SOURCE
4007 add_cppflags -D_QNX_SOURCE
4008 network_extralibs="-lsocket"
4013 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4014 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4015 add_ldflags -Wl,--target1-abs,--no-undefined \
4016 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4017 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4018 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4019 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4020 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4023 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4028 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4029 -D_REENTRANT_SOURCE \
4030 -D_RESEARCH_SOURCE \
4033 add_compat strtod.o strtod=avpriv_strtod
4034 network_extralibs='-lbsd'
4035 exeobjs=compat/plan9/main.o
4042 die "Unknown OS '$target_os'."
4046 # determine libc flavour
4051 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4052 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4053 eval ${pfx}libc_type=uclibc
4054 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4055 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4056 eval ${pfx}libc_type=glibc
4057 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4058 # MinGW headers can be installed on Cygwin, so check for newlib first.
4059 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4060 eval ${pfx}libc_type=newlib
4061 add_${pfx}cppflags -U__STRICT_ANSI__
4062 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4063 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4064 eval ${pfx}libc_type=mingw64
4065 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4066 add_compat msvcrt/snprintf.o
4067 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4069 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4070 eval test \$${pfx_no_}cc_type = "gcc" &&
4071 add_${pfx}cppflags -D__printf__=__gnu_printf__
4072 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4073 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4074 eval ${pfx}libc_type=mingw32
4075 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4076 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4077 die "ERROR: MinGW32 runtime version must be >= 3.15."
4078 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4079 eval test \$${pfx_no_}cc_type = "gcc" &&
4080 add_${pfx}cppflags -D__printf__=__gnu_printf__
4081 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4082 eval ${pfx}libc_type=msvcrt
4083 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4084 # 0x601 by default unless something else is set by the user.
4085 # This can easily lead to us detecting functions only present
4086 # in such new versions and producing binaries requiring windows 7.0.
4087 # Therefore explicitly set the default to XP unless the user has
4088 # set something else on the command line.
4089 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4090 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4091 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4092 eval ${pfx}libc_type=klibc
4093 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4094 eval ${pfx}libc_type=bionic
4095 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4096 eval ${pfx}libc_type=solaris
4097 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4102 test -n "$libc_type" && enable libc_$libc_type
4104 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4108 add_compat strtod.o strtod=avpriv_strtod
4111 add_compat strtod.o strtod=avpriv_strtod
4112 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4113 _snprintf=avpriv_snprintf \
4114 vsnprintf=avpriv_vsnprintf
4118 # hacks for compiler/libc/os combinations
4120 if enabled_all tms470 libc_glibc; then
4121 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4122 add_cppflags -D__USER_LABEL_PREFIX__=
4123 add_cppflags -D__builtin_memset=memset
4124 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4125 add_cflags -pds=48 # incompatible redefinition of macro
4128 if enabled_all ccc libc_glibc; then
4129 add_ldflags -Wl,-z,now # calls to libots crash without this
4132 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4133 add_cppflags '-I\$(SRC_PATH)/compat/float'
4136 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4139 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4141 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4143 set_default $PATHS_LIST
4146 # we need to build at least one lib type
4147 if ! enabled_any static shared; then
4149 At least one library type must be built.
4150 Specify --enable-static to build the static libraries or --enable-shared to
4151 build the shared libraries as well. To only build the shared libraries specify
4152 --disable-static in addition to --enable-shared.
4157 die_license_disabled() {
4158 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4161 die_license_disabled_gpl() {
4162 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4165 die_license_disabled gpl frei0r
4166 die_license_disabled gpl libcdio
4167 die_license_disabled gpl libutvideo
4168 die_license_disabled gpl libvidstab
4169 die_license_disabled gpl libx264
4170 die_license_disabled gpl libx265
4171 die_license_disabled gpl libxavs
4172 die_license_disabled gpl libxvid
4173 die_license_disabled gpl libzvbi
4174 die_license_disabled gpl x11grab
4176 die_license_disabled nonfree libaacplus
4177 die_license_disabled nonfree libfaac
4178 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4179 enabled gpl && die_license_disabled_gpl nonfree openssl
4181 die_license_disabled version3 libopencore_amrnb
4182 die_license_disabled version3 libopencore_amrwb
4183 die_license_disabled version3 libvo_aacenc
4184 die_license_disabled version3 libvo_amrwbenc
4186 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4188 disabled optimizations || check_cflags -fomit-frame-pointer
4191 disabled pic && return
4194 case "$target_os" in
4204 enabled pic && enable_weak_pic
4206 check_cc <<EOF || die "Symbol mangling check failed."
4209 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4210 extern_prefix=${sym%%ff_extern*}
4212 check_cc <<EOF && enable_weak inline_asm
4213 void foo(void) { __asm__ volatile ("" ::); }
4217 for restrict_keyword in restrict __restrict__ __restrict; do
4218 check_cc <<EOF && _restrict=$restrict_keyword && break
4219 void foo(char * $restrict_keyword p);
4223 check_cc <<EOF && enable pragma_deprecated
4224 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4227 check_cc <<EOF && enable attribute_packed
4228 struct { int x; } __attribute__((packed)) x;
4231 check_cc <<EOF && enable attribute_may_alias
4232 union { int x; } __attribute__((may_alias)) x;
4235 check_cc <<EOF || die "endian test failed"
4236 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4238 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4240 check_inline_asm inline_asm_labels '"1:\n"'
4242 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4244 if enabled aarch64; then
4245 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4246 # internal assembler in clang 3.3 does not support this instruction
4247 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4248 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4250 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4252 elif enabled alpha; then
4256 elif enabled arm; then
4258 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4259 float func(float a, float b){ return a+b; }
4262 enabled thumb && check_cflags -mthumb || check_cflags -marm
4265 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4267 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4268 case "${cross_prefix:-$cc}" in
4269 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4270 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4271 __asm__ (".eabi_attribute 28, 1");
4272 int main(void) { return 0; }
4275 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4278 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4279 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4280 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4281 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4282 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4283 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4285 [ $target_os = linux ] ||
4286 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4289 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4291 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4293 elif enabled mips; then
4295 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4296 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
4297 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
4298 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4299 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4300 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4301 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4302 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4303 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4305 elif enabled parisc; then
4307 if enabled gcc; then
4308 case $($cc -dumpversion) in
4309 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4313 elif enabled ppc; then
4315 enable local_aligned_8 local_aligned_16 local_aligned_32
4317 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4318 check_inline_asm ibm_asm '"add 0, 0, 0"'
4319 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4320 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4322 # AltiVec flags: The FSF version of GCC differs from the Apple version
4323 if enabled altivec; then
4324 if ! enabled_any pic ppc64; then
4327 check_cflags -maltivec -mabi=altivec &&
4328 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4329 check_cflags -faltivec
4331 # check if our compiler supports Motorola AltiVec C API
4332 check_cc <<EOF || disable altivec
4335 vector signed int v1 = (vector signed int) { 0 };
4336 vector signed int v2 = (vector signed int) { 1 };
4337 v1 = vec_add(v1, v2);
4342 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4345 elif enabled x86; then
4347 check_builtin rdtsc intrin.h "__rdtsc()"
4348 check_builtin mm_empty mmintrin.h "_mm_empty()"
4350 enable local_aligned_8 local_aligned_16 local_aligned_32
4352 # check whether EBP is available on x86
4353 # As 'i' is stored on the stack, this program will crash
4354 # if the base pointer is used to access it because the
4355 # base pointer is cleared in the inline assembly code.
4356 check_exec_crash <<EOF && enable ebp_available
4358 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4362 # check whether EBX is available on x86
4363 check_inline_asm ebx_available '""::"b"(0)' &&
4364 check_inline_asm ebx_available '"":::"%ebx"'
4366 # check whether xmm clobbers are supported
4367 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4369 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4370 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4372 # check whether binutils is new enough to compile SSSE3/MMXEXT
4373 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4374 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4376 if ! disabled_any asm mmx yasm; then
4377 if check_cmd $yasmexe --version; then
4378 enabled x86_64 && yasm_extra="-m amd64"
4379 yasm_debug="-g dwarf2"
4380 elif check_cmd nasm -v; then
4382 yasm_debug="-g -F dwarf"
4383 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4386 YASMFLAGS="-f $objformat $yasm_extra"
4387 enabled pic && append YASMFLAGS "-DPIC"
4388 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4389 case "$objformat" in
4390 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4393 check_yasm "movbe ecx, [5]" && enable yasm ||
4394 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4395 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4396 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4397 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4398 check_yasm "vfmadd132ps ymm0, ymm1, ymm2" || disable fma3_external
4399 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4400 check_yasm "CPU amdnop" || disable cpunop
4404 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4411 if enabled asm; then
4413 check_as <<EOF && enable gnu_as || \
4414 $nogas "GNU assembler not found, install gas-preprocessor"
4422 check_ldflags -Wl,--as-needed
4424 if check_func dlopen; then
4426 elif check_func dlopen -ldl; then
4430 if ! disabled network; then
4431 check_func getaddrinfo $network_extralibs
4432 check_func getservbyport $network_extralibs
4433 check_func inet_aton $network_extralibs
4435 check_type netdb.h "struct addrinfo"
4436 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4437 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4438 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4439 check_type poll.h "struct pollfd"
4440 check_type netinet/sctp.h "struct sctp_event_subscribe"
4441 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4442 check_type netinet/in.h "struct sockaddr_in6"
4443 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4444 check_type "sys/types.h sys/socket.h" socklen_t
4446 # Prefer arpa/inet.h over winsock2
4447 if check_header arpa/inet.h ; then
4448 check_func closesocket
4449 elif check_header winsock2.h ; then
4450 check_func_headers winsock2.h closesocket -lws2 &&
4451 network_extralibs="-lws2" ||
4452 { check_func_headers winsock2.h closesocket -lws2_32 &&
4453 network_extralibs="-lws2_32"; } || disable winsock2_h network
4454 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4456 check_type ws2tcpip.h socklen_t
4457 check_type ws2tcpip.h "struct addrinfo"
4458 check_type ws2tcpip.h "struct group_source_req"
4459 check_type ws2tcpip.h "struct ip_mreq_source"
4460 check_type ws2tcpip.h "struct ipv6_mreq"
4461 check_type winsock2.h "struct pollfd"
4462 check_struct winsock2.h "struct sockaddr" sa_len
4463 check_type ws2tcpip.h "struct sockaddr_in6"
4464 check_type ws2tcpip.h "struct sockaddr_storage"
4470 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4471 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4472 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4473 check_builtin sarestart signal.h "SA_RESTART"
4474 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4476 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4477 check_func ${malloc_prefix}memalign && enable memalign
4478 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4481 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4484 check_func gethrtime
4486 check_func getrusage
4487 check_func gettimeofday
4489 check_func localtime_r
4490 check_func mach_absolute_time
4494 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4495 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4496 check_func sched_getaffinity
4497 check_func setrlimit
4498 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4499 check_func strerror_r
4504 check_func_headers conio.h kbhit
4505 check_func_headers io.h setmode
4506 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4507 check_func_headers stdlib.h getenv
4509 check_func_headers windows.h CoTaskMemFree -lole32
4510 check_func_headers windows.h GetProcessAffinityMask
4511 check_func_headers windows.h GetProcessTimes
4512 check_func_headers windows.h GetSystemTimeAsFileTime
4513 check_func_headers windows.h MapViewOfFile
4514 check_func_headers windows.h PeekNamedPipe
4515 check_func_headers windows.h SetConsoleTextAttribute
4516 check_func_headers windows.h Sleep
4517 check_func_headers windows.h VirtualAlloc
4518 check_func_headers glob.h glob
4520 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4522 check_header cl/cl.h
4523 check_header direct.h
4524 check_header dlfcn.h
4526 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4528 check_header libcrystalhd/libcrystalhd_if.h
4529 check_header mach/mach_time.h
4530 check_header malloc.h
4532 check_header sys/mman.h
4533 check_header sys/param.h
4534 check_header sys/resource.h
4535 check_header sys/select.h
4536 check_header sys/time.h
4537 check_header sys/un.h
4538 check_header termios.h
4539 check_header unistd.h
4540 check_header vdpau/vdpau.h
4541 check_header vdpau/vdpau_x11.h
4542 check_header VideoDecodeAcceleration/VDADecoder.h
4543 check_header windows.h
4544 check_header X11/extensions/XvMClib.h
4545 check_header asm/types.h
4547 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4548 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4549 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4551 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4553 if ! disabled w32threads && ! enabled pthreads; then
4554 check_func_headers "windows.h process.h" _beginthreadex &&
4555 enable w32threads || disable w32threads
4558 # check for some common methods of building with pthread support
4559 # do this before the optional library checks as some of them require pthreads
4560 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4562 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4564 add_extralibs -pthread
4565 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4566 add_cflags -pthreads
4567 add_extralibs -pthreads
4568 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4569 add_extralibs -lpthreadGC2
4570 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4572 elif ! check_func pthread_join && ! check_func pthread_create; then
4575 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
4579 if enabled pthreads; then
4580 check_func pthread_cancel
4583 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4584 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4586 check_lib math.h sin -lm && LIBM="-lm"
4587 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4593 for func in $MATH_FUNCS; do
4594 eval check_mathfunc $func \${${func}_args:-1}
4597 # these are off by default, so fail if requested and not available
4598 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
4599 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4600 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4601 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4602 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
4603 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4604 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4605 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4606 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4607 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4608 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4609 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
4610 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4611 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4612 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4613 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4614 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4615 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4616 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4617 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"
4618 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4619 enabled fontconfig && enable libfontconfig
4620 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4621 enabled libfreetype && require_libfreetype
4622 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4623 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4624 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4625 done || die "ERROR: libgsm not found"; }
4626 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4627 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4628 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4629 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4630 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4631 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4632 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4633 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4634 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4635 die "ERROR: libopenjpeg not found"; }
4636 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4637 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4638 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4639 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4640 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4641 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4642 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4643 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4644 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4645 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4646 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4647 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4648 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4649 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4650 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4651 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4652 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4653 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4654 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
4655 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4656 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4657 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4659 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4660 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4661 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 ||
4662 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4663 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4664 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_SVC" -lvpx || disable libvpx_vp9_encoder; } }
4665 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4666 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4667 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4668 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4669 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4670 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
4671 { check_cpp_condition x265.h "X265_BUILD >= 13" ||
4672 die "ERROR: libx265 version must be >= 13."; }
4673 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4674 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4675 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4676 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4677 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4678 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4679 die "ERROR: openal not found"; } &&
4680 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4681 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4682 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4683 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4684 die "ERROR: opencl not found"; } &&
4685 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4686 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4687 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4688 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
4689 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
4690 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
4691 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
4692 die "ERROR: opengl not found."
4694 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4695 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4696 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4697 die "ERROR: openssl not found"; }
4698 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
4700 if enabled gnutls; then
4701 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4702 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4706 if enabled libdc1394; then
4707 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4708 enable libdc1394_2; } ||
4709 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4710 enable libdc1394_1; } ||
4711 die "ERROR: No version of libdc1394 found "
4714 SDL_CONFIG="${cross_prefix}sdl-config"
4715 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4716 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4717 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4720 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4721 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4722 sdl_libs=$("${SDL_CONFIG}" --libs)
4723 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4724 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4725 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4729 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4731 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4732 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4733 perl -v > /dev/null 2>&1 && enable perl || disable perl
4734 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4735 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4737 check_header linux/fb.h
4738 check_header linux/videodev.h
4739 check_header linux/videodev2.h
4740 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4742 check_header sys/videoio.h
4744 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4745 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4746 # w32api 3.12 had it defined wrong
4747 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4749 check_type "dshow.h" IBaseFilter
4751 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4752 { check_header dev/bktr/ioctl_meteor.h &&
4753 check_header dev/bktr/ioctl_bt848.h; } ||
4754 { check_header machine/ioctl_meteor.h &&
4755 check_header machine/ioctl_bt848.h; } ||
4756 { check_header dev/video/meteor/ioctl_meteor.h &&
4757 check_header dev/video/bktr/ioctl_bt848.h; } ||
4758 check_header dev/ic/bt8xx.h
4760 check_header sndio.h
4761 if check_struct sys/soundcard.h audio_buf_info bytes; then
4762 enable_safe sys/soundcard.h
4764 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4765 #include <sys/soundcard.h>
4769 check_header soundcard.h
4771 enabled_any alsa_indev alsa_outdev &&
4772 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4774 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4775 check_func jack_port_get_latency_range -ljack
4777 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4779 if enabled libcdio; then
4780 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4781 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4782 die "ERROR: libcdio-paranoia not found"
4786 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
4789 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4790 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
4791 { enabled xlib || die "ERROR: Xlib not found"; }
4793 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
4796 check_lib va/va.h vaInitialize -lva ||
4800 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4803 enabled vdpau && enabled xlib &&
4804 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4805 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
4808 # Funny iconv installations are not unusual, so check it after all flags have been set
4809 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4811 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4813 # add some useful compiler flags if supported
4814 check_cflags -Wdeclaration-after-statement
4816 check_cflags -Wdisabled-optimization
4817 check_cflags -Wpointer-arith
4818 check_cflags -Wredundant-decls
4819 check_cflags -Wwrite-strings
4820 check_cflags -Wtype-limits
4821 check_cflags -Wundef
4822 check_cflags -Wmissing-prototypes
4823 check_cflags -Wno-pointer-to-int-cast
4824 check_cflags -Wstrict-prototypes
4825 check_cflags -Wempty-body
4826 enabled extra_warnings && check_cflags -Winline
4828 check_disable_warning(){
4829 warning_flag=-W${1#-Wno-}
4830 test_cflags $warning_flag && add_cflags $1
4833 check_disable_warning -Wno-parentheses
4834 check_disable_warning -Wno-switch
4835 check_disable_warning -Wno-format-zero-length
4836 check_disable_warning -Wno-pointer-sign
4838 # add some linker flags
4839 check_ldflags -Wl,--warn-common
4840 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4841 enabled rpath && add_ldflags -Wl,-rpath,$libdir
4842 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4844 # add some strip flags
4845 # -wN '..@*' is more selective than -x, but not available everywhere.
4846 check_stripflags -wN \'..@*\' || check_stripflags -x
4848 enabled neon_clobber_test &&
4849 check_ldflags -Wl,--wrap,avcodec_open2 \
4850 -Wl,--wrap,avcodec_decode_audio4 \
4851 -Wl,--wrap,avcodec_decode_video2 \
4852 -Wl,--wrap,avcodec_decode_subtitle2 \
4853 -Wl,--wrap,avcodec_encode_audio2 \
4854 -Wl,--wrap,avcodec_encode_video2 \
4855 -Wl,--wrap,avcodec_encode_subtitle \
4856 -Wl,--wrap,swr_convert \
4857 -Wl,--wrap,avresample_convert ||
4858 disable neon_clobber_test
4860 enabled xmm_clobber_test &&
4861 check_ldflags -Wl,--wrap,avcodec_open2 \
4862 -Wl,--wrap,avcodec_decode_audio4 \
4863 -Wl,--wrap,avcodec_decode_video2 \
4864 -Wl,--wrap,avcodec_decode_subtitle2 \
4865 -Wl,--wrap,avcodec_encode_audio2 \
4866 -Wl,--wrap,avcodec_encode_video \
4867 -Wl,--wrap,avcodec_encode_video2 \
4868 -Wl,--wrap,avcodec_encode_subtitle \
4869 -Wl,--wrap,swr_convert \
4870 -Wl,--wrap,avresample_convert \
4871 -Wl,--wrap,sws_scale ||
4872 disable xmm_clobber_test
4875 if test_ldflags -Wl,--version-script,$TMPV; then
4876 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4877 check_cc <<EOF && enable symver_asm_label
4878 void ff_foo(void) __asm__ ("av_foo@VERSION");
4879 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4881 check_cc <<EOF && enable symver_gnu_asm
4882 __asm__(".symver ff_foo,av_foo@VERSION");
4883 void ff_foo(void) {}
4887 if [ -z "$optflags" ]; then
4888 if enabled small; then
4889 optflags=$cflags_size
4890 elif enabled optimizations; then
4891 optflags=$cflags_speed
4893 optflags=$cflags_noopt
4899 enabled lto && check_ldflags "$@"
4903 if enabled lto; then
4904 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4906 check_ldflags -flto $cpuflags
4909 check_optflags $optflags
4910 check_optflags -fno-math-errno
4911 check_optflags -fno-signed-zeros
4913 enabled ftrapv && check_cflags -ftrapv
4915 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4920 if enabled icc; then
4921 # Just warnings, no remarks
4923 # -wd: Disable following warnings
4924 # 144, 167, 556: -Wno-pointer-sign
4925 # 188: enumerated type mixed with another type
4926 # 1292: attribute "foo" ignored
4927 # 1419: external declaration in primary source file
4928 # 10006: ignoring unknown option -fno-signed-zeros
4929 # 10148: ignoring unknown option -Wno-parentheses
4930 # 10156: ignoring option '-W'; no argument required
4931 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4932 # 11030: Warning unknown option --as-needed
4933 # 10156: ignoring option '-export'; no argument required
4934 check_ldflags -wd10156,11030
4935 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4936 enable ebp_available
4937 if enabled x86_32; then
4938 icc_version=$($cc -dumpversion)
4939 test ${icc_version%%.*} -ge 11 &&
4940 check_cflags -falign-stack=maintain-16-byte ||
4941 disable aligned_stack
4943 elif enabled ccc; then
4944 # disable some annoying warnings
4945 add_cflags -msg_disable bitnotint
4946 add_cflags -msg_disable mixfuncvoid
4947 add_cflags -msg_disable nonstandcast
4948 add_cflags -msg_disable unsupieee
4949 elif enabled gcc; then
4950 check_optflags -fno-tree-vectorize
4951 check_cflags -Werror=implicit-function-declaration
4952 check_cflags -Werror=missing-prototypes
4953 check_cflags -Werror=return-type
4954 check_cflags -Werror=vla
4955 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4956 elif enabled llvm_gcc; then
4957 check_cflags -mllvm -stack-alignment=16
4958 elif enabled clang; then
4959 check_cflags -mllvm -stack-alignment=16
4960 check_cflags -Qunused-arguments
4961 check_cflags -Werror=implicit-function-declaration
4962 check_cflags -Werror=missing-prototypes
4963 check_cflags -Werror=return-type
4964 elif enabled cparser; then
4965 add_cflags -Wno-missing-variable-declarations
4966 add_cflags -Wno-empty-statement
4967 elif enabled armcc; then
4968 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
4969 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
4970 # 2523: use of inline assembler is deprecated
4971 add_cflags -W${armcc_opt},--diag_suppress=2523
4972 add_cflags -W${armcc_opt},--diag_suppress=1207
4973 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4974 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4975 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4976 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4977 elif enabled tms470; then
4978 add_cflags -pds=824 -pds=837
4980 elif enabled pathscale; then
4981 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4982 elif enabled_any msvc icl; then
4983 enabled x86_32 && disable aligned_stack
4984 enabled_all x86_32 debug && add_cflags -Oy-
4985 enabled debug && add_ldflags -debug
4986 enable pragma_deprecated
4987 if enabled icl; then
4988 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4989 # (correctly) on icl 13.x.
4990 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4991 add_cflags -Qansi-alias
4992 # icl will pass the inline asm tests but inline asm is currently
4993 # not supported (build will fail)
4994 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
5001 add_asflags -Qunused-arguments
5007 check_ldflags -Qunused-arguments
5013 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5016 add_cppflags -Dmain=plan9_main
5020 enable frame_thread_encoder
5022 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5024 check_deps $CONFIG_LIST \
5029 enabled threads && ! enabled pthreads && ! enabled atomics_native && die "non pthread threading without atomics not supported, try adding --enable-pthreads or --cpu=i486 or higher if you are on x86"
5032 if test $target_os = "haiku"; then
5034 disable posix_memalign
5037 enabled_all dxva2 CoTaskMemFree &&
5038 prepend ffmpeg_libs $($ldflags_filter "-lole32") &&
5041 ! enabled_any memalign posix_memalign aligned_malloc &&
5042 enabled_any $need_memalign && enable memalign_hack
5045 # -> enable ${lib}_deps_${dep}
5046 # -> add $dep to ${lib}_deps only once
5050 enabled "${lib}_deps_${dep}" && return 0
5051 enable "${lib}_deps_${dep}"
5052 prepend "${lib}_deps" $dep
5055 # merge deps lib components
5056 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5061 enabled $comp || continue
5062 eval "dep=\"\$${comp}_deps\""
5069 merge_deps libavfilter $FILTER_LIST
5071 for thread in $THREADS_LIST; do
5072 if enabled $thread; then
5073 test -n "$thread_type" &&
5074 die "ERROR: Only one thread type must be selected." ||
5075 thread_type="$thread"
5079 echo "install prefix $prefix"
5080 echo "source path $source_path"
5081 echo "C compiler $cc"
5082 echo "C library $libc_type"
5083 if test "$host_cc" != "$cc"; then
5084 echo "host C compiler $host_cc"
5085 echo "host C library $host_libc_type"
5087 echo "ARCH $arch ($cpu)"
5088 if test "$build_suffix" != ""; then
5089 echo "build suffix $build_suffix"
5091 if test "$progs_suffix" != ""; then
5092 echo "progs suffix $progs_suffix"
5094 if test "$extra_version" != ""; then
5095 echo "version string suffix $extra_version"
5097 echo "big-endian ${bigendian-no}"
5098 echo "runtime cpu detection ${runtime_cpudetect-no}"
5099 if enabled x86; then
5100 echo "${yasmexe} ${yasm-no}"
5101 echo "MMX enabled ${mmx-no}"
5102 echo "MMXEXT enabled ${mmxext-no}"
5103 echo "3DNow! enabled ${amd3dnow-no}"
5104 echo "3DNow! extended enabled ${amd3dnowext-no}"
5105 echo "SSE enabled ${sse-no}"
5106 echo "SSSE3 enabled ${ssse3-no}"
5107 echo "AVX enabled ${avx-no}"
5108 echo "XOP enabled ${xop-no}"
5109 echo "FMA3 enabled ${fma3-no}"
5110 echo "FMA4 enabled ${fma4-no}"
5111 echo "i686 features enabled ${i686-no}"
5112 echo "CMOV is fast ${fast_cmov-no}"
5113 echo "EBX available ${ebx_available-no}"
5114 echo "EBP available ${ebp_available-no}"
5116 if enabled aarch64; then
5117 echo "NEON enabled ${neon-no}"
5118 echo "VFP enabled ${vfp-no}"
5120 if enabled arm; then
5121 echo "ARMv5TE enabled ${armv5te-no}"
5122 echo "ARMv6 enabled ${armv6-no}"
5123 echo "ARMv6T2 enabled ${armv6t2-no}"
5124 echo "VFP enabled ${vfp-no}"
5125 echo "NEON enabled ${neon-no}"
5126 echo "THUMB enabled ${thumb-no}"
5128 if enabled mips; then
5129 echo "MIPS FPU enabled ${mipsfpu-no}"
5130 echo "MIPS32R2 enabled ${mips32r2-no}"
5131 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5132 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5134 if enabled ppc; then
5135 echo "AltiVec enabled ${altivec-no}"
5136 echo "PPC 4xx optimizations ${ppc4xx-no}"
5137 echo "dcbzl available ${dcbzl-no}"
5139 echo "debug symbols ${debug-no}"
5140 echo "strip symbols ${stripping-no}"
5141 echo "optimize for size ${small-no}"
5142 echo "optimizations ${optimizations-no}"
5143 echo "static ${static-no}"
5144 echo "shared ${shared-no}"
5145 echo "postprocessing support ${postproc-no}"
5146 echo "new filter support ${avfilter-no}"
5147 echo "network support ${network-no}"
5148 echo "threading support ${thread_type-no}"
5149 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5150 echo "SDL support ${sdl-no}"
5151 echo "opencl enabled ${opencl-no}"
5152 echo "libzvbi enabled ${libzvbi-no}"
5153 echo "texi2html enabled ${texi2html-no}"
5154 echo "perl enabled ${perl-no}"
5155 echo "pod2man enabled ${pod2man-no}"
5156 echo "makeinfo enabled ${makeinfo-no}"
5157 test -n "$random_seed" &&
5158 echo "random seed ${random_seed}"
5161 echo "External libraries:"
5162 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5165 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5166 echo "Enabled ${type}s:"
5167 eval list=\$$(toupper $type)_LIST
5168 print_enabled '_*' $list | print_3_columns
5172 license="LGPL version 2.1 or later"
5173 if enabled nonfree; then
5174 license="nonfree and unredistributable"
5175 elif enabled gplv3; then
5176 license="GPL version 3 or later"
5177 elif enabled lgplv3; then
5178 license="LGPL version 3 or later"
5179 elif enabled gpl; then
5180 license="GPL version 2 or later"
5183 echo "License: $license"
5185 echo "Creating config.mak, config.h, and doc/config.texi..."
5187 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5189 enabled stripping || strip="echo skipping strip"
5191 config_files="$TMPH config.mak doc/config.texi"
5193 cat > config.mak <<EOF
5194 # Automatically generated by configure - do not modify!
5195 ifndef FFMPEG_CONFIG_MAK
5197 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5199 LIBDIR=\$(DESTDIR)$libdir
5200 SHLIBDIR=\$(DESTDIR)$shlibdir
5201 INCDIR=\$(DESTDIR)$incdir
5202 BINDIR=\$(DESTDIR)$bindir
5203 DATADIR=\$(DESTDIR)$datadir
5204 DOCDIR=\$(DESTDIR)$docdir
5205 MANDIR=\$(DESTDIR)$mandir
5206 SRC_PATH=$source_path
5207 ifndef MAIN_MAKEFILE
5208 SRC_PATH:=\$(SRC_PATH:.%=..%)
5217 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5219 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5247 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5248 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5249 YASMFLAGS=$YASMFLAGS
5250 BUILDSUF=$build_suffix
5251 PROGSSUF=$progs_suffix
5259 EXTRA_VERSION=$extra_version
5262 CCDEP_FLAGS=$CCDEP_FLAGS
5264 ASDEP_FLAGS=$ASDEP_FLAGS
5265 CC_DEPFLAGS=$CC_DEPFLAGS
5266 AS_DEPFLAGS=$AS_DEPFLAGS
5269 HOSTCFLAGS=$host_cflags
5270 HOSTCPPFLAGS=$host_cppflags
5271 HOSTEXESUF=$HOSTEXESUF
5272 HOSTLDFLAGS=$host_ldflags
5275 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5276 HOSTCCDEP=$HOSTCCDEP
5277 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5278 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5282 TARGET_EXEC=$target_exec $target_exec_args
5283 TARGET_PATH=$target_path
5284 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5285 CFLAGS-ffplay=$sdl_cflags
5286 ZLIB=$($ldflags_filter -lz)
5287 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5288 EXTRALIBS=$extralibs
5289 COMPAT_OBJS=$compat_objs
5292 LIBTARGET=${LIBTARGET}
5293 SLIBNAME=${SLIBNAME}
5294 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5295 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5296 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5297 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5298 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5299 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5300 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5301 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5302 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5303 NOREDZONE_FLAGS=$noredzone_flags
5308 name=$(toupper $lcname)
5309 file=$source_path/$lcname/version.h
5310 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5311 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5312 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5313 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5314 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5315 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5318 map 'get_version $v' $LIBRARY_LIST
5320 print_program_libs(){
5321 eval "program_libs=\$${1}_libs"
5322 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5325 map 'print_program_libs $v' $PROGRAM_LIST
5328 /* Automatically generated by configure - do not modify! */
5329 #ifndef FFMPEG_CONFIG_H
5330 #define FFMPEG_CONFIG_H
5331 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5332 #define FFMPEG_LICENSE "$(c_escape $license)"
5333 #define CONFIG_THIS_YEAR 2014
5334 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5335 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5336 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5337 #define av_restrict $_restrict
5338 #define EXTERN_PREFIX "${extern_prefix}"
5339 #define EXTERN_ASM ${extern_prefix}
5340 #define BUILDSUF "$build_suffix"
5341 #define SLIBSUF "$SLIBSUF"
5342 #define HAVE_MMX2 HAVE_MMXEXT
5345 test -n "$assert_level" &&
5346 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5348 test -n "$malloc_prefix" &&
5349 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5351 if enabled yasm; then
5352 append config_files $TMPASM
5356 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5360 echo "@c auto-generated by configure" > doc/config.texi
5362 print_config ARCH_ "$config_files" $ARCH_LIST
5363 print_config HAVE_ "$config_files" $HAVE_LIST
5364 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5368 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5369 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5371 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5372 cp_if_changed $TMPH config.h
5375 enabled yasm && cp_if_changed $TMPASM config.asm
5378 /* Generated by ffconf */
5379 #ifndef AVUTIL_AVCONFIG_H
5380 #define AVUTIL_AVCONFIG_H
5383 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5385 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5387 cp_if_changed $TMPH libavutil/avconfig.h
5389 if test -n "$WARNINGS"; then
5390 printf "\n$WARNINGS"
5391 enabled fatal_warnings && exit 1
5394 # build pkg-config files
5396 pkgconfig_generate(){
5398 shortname=${name#lib}${build_suffix}
5403 enabled ${name#lib} || return 0
5405 cat <<EOF > $name/$name${build_suffix}.pc
5407 exec_prefix=\${prefix}
5412 Description: $comment
5414 Requires: $(enabled shared || echo $requires)
5415 Requires.private: $(enabled shared && echo $requires)
5417 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5418 Libs.private: $(enabled shared && echo $libs)
5419 Cflags: -I\${includedir}
5422 mkdir -p doc/examples/pc-uninstalled
5423 includedir=${source_path}
5424 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5425 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5428 libdir=\${pcfiledir}/../../../$name
5429 includedir=${includedir}
5432 Description: $comment
5436 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5437 Cflags: -I\${includedir}
5441 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5442 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
5443 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
5444 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
5445 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
5446 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
5447 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
5448 lavfi_libs=${lavfi_libs%, }
5450 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
5451 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
5453 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5454 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5455 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
5456 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
5457 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
5458 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5459 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5460 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5461 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"