3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --enable-rpath use rpath to allow installing libraries in paths
91 not part of the dynamic linker search path
94 --enable-gpl allow use of GPL code, the resulting libs
95 and binaries will be under GPL [no]
96 --enable-version3 upgrade (L)GPL to version 3 [no]
97 --enable-nonfree allow use of nonfree code, the resulting libs
98 and binaries will be unredistributable [no]
100 Configuration options:
101 --disable-static do not build static libraries [no]
102 --enable-shared build shared libraries [no]
103 --enable-small optimize for size instead of speed
104 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
105 --enable-gray enable full grayscale support (slower color)
106 --disable-swscale-alpha disable alpha channel support in swscale
107 --disable-all disable building components, libraries and programs
108 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
109 --enable-incompatible-fork-abi enable incompatible Libav fork ABI (deprecated) [no]
110 --enable-raise-major increase major version numbers in sonames [no]
113 --disable-programs do not build command line programs
114 --disable-ffmpeg disable ffmpeg build
115 --disable-ffplay disable ffplay build
116 --disable-ffprobe disable ffprobe build
117 --disable-ffserver disable ffserver build
119 Documentation options:
120 --disable-doc do not build documentation
121 --disable-htmlpages do not build HTML documentation pages
122 --disable-manpages do not build man documentation pages
123 --disable-podpages do not build POD documentation pages
124 --disable-txtpages do not build text documentation pages
127 --disable-avdevice disable libavdevice build
128 --disable-avcodec disable libavcodec build
129 --disable-avformat disable libavformat build
130 --disable-avutil disable libavutil build
131 --disable-swresample disable libswresample build
132 --disable-swscale disable libswscale build
133 --disable-postproc disable libpostproc build
134 --disable-avfilter disable libavfilter build
135 --enable-avresample enable libavresample build [no]
136 --disable-pthreads disable pthreads [auto]
137 --disable-w32threads disable Win32 threads [auto]
138 --disable-os2threads disable OS/2 threads [auto]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
149 Hardware accelerators:
150 --disable-dxva2 disable DXVA2 code [autodetect]
151 --disable-vaapi disable VAAPI code [autodetect]
152 --enable-vda enable VDA code
153 --disable-vdpau disable VDPAU code [autodetect]
155 Individual component options:
156 --disable-everything disable all components listed below
157 --disable-encoder=NAME disable encoder NAME
158 --enable-encoder=NAME enable encoder NAME
159 --disable-encoders disable all encoders
160 --disable-decoder=NAME disable decoder NAME
161 --enable-decoder=NAME enable decoder NAME
162 --disable-decoders disable all decoders
163 --disable-hwaccel=NAME disable hwaccel NAME
164 --enable-hwaccel=NAME enable hwaccel NAME
165 --disable-hwaccels disable all hwaccels
166 --disable-muxer=NAME disable muxer NAME
167 --enable-muxer=NAME enable muxer NAME
168 --disable-muxers disable all muxers
169 --disable-demuxer=NAME disable demuxer NAME
170 --enable-demuxer=NAME enable demuxer NAME
171 --disable-demuxers disable all demuxers
172 --enable-parser=NAME enable parser NAME
173 --disable-parser=NAME disable parser NAME
174 --disable-parsers disable all parsers
175 --enable-bsf=NAME enable bitstream filter NAME
176 --disable-bsf=NAME disable bitstream filter NAME
177 --disable-bsfs disable all bitstream filters
178 --enable-protocol=NAME enable protocol NAME
179 --disable-protocol=NAME disable protocol NAME
180 --disable-protocols disable all protocols
181 --enable-indev=NAME enable input device NAME
182 --disable-indev=NAME disable input device NAME
183 --disable-indevs disable input devices
184 --enable-outdev=NAME enable output device NAME
185 --disable-outdev=NAME disable output device NAME
186 --disable-outdevs disable output devices
187 --disable-devices disable all devices
188 --enable-filter=NAME enable filter NAME
189 --disable-filter=NAME disable filter NAME
190 --disable-filters disable all filters
192 External library support:
193 --enable-avisynth enable reading of AviSynth script files [no]
194 --disable-bzlib disable bzlib [autodetect]
195 --enable-fontconfig enable fontconfig
196 --enable-frei0r enable frei0r video filtering
197 --enable-gnutls enable gnutls [no]
198 --disable-iconv disable iconv [autodetect]
199 --enable-ladspa enable LADSPA audio filtering
200 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
201 --enable-libass enable libass subtitles rendering [no]
202 --enable-libbluray enable BluRay reading using libbluray [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 --host-cc=HOSTCC use host C compiler HOSTCC
290 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
291 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
292 --host-ld=HOSTLD use host linker HOSTLD
293 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
294 --host-libs=HLIBS use libs HLIBS when linking for host
295 --host-os=OS compiler host OS [$target_os]
296 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
297 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
298 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
299 --extra-libs=ELIBS add ELIBS [$ELIBS]
300 --extra-version=STRING version string suffix []
301 --optflags=OPTFLAGS override optimization-related compiler flags
302 --build-suffix=SUFFIX library name suffix []
303 --enable-pic build position-independent code
304 --enable-thumb compile for Thumb instruction set
305 --enable-lto use link-time optimization
307 Advanced options (experts only):
308 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
309 --disable-symver disable symbol versioning
310 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
311 --disable-safe-bitstream-reader
312 disable buffer boundary checking in bitreaders
313 (faster, but may crash)
314 --enable-memalign-hack emulate memalign, interferes with memory debuggers
315 --enable-sram allow use of on-chip SRAM
317 Optimization options (experts only):
318 --disable-asm disable all assembler optimizations
319 --disable-altivec disable AltiVec optimizations
320 --disable-amd3dnow disable 3DNow! optimizations
321 --disable-amd3dnowext disable 3DNow! extended optimizations
322 --disable-mmx disable MMX optimizations
323 --disable-mmxext disable MMXEXT optimizations
324 --disable-sse disable SSE optimizations
325 --disable-sse2 disable SSE2 optimizations
326 --disable-sse3 disable SSE3 optimizations
327 --disable-ssse3 disable SSSE3 optimizations
328 --disable-sse4 disable SSE4 optimizations
329 --disable-sse42 disable SSE4.2 optimizations
330 --disable-avx disable AVX optimizations
331 --disable-xop disable XOP optimizations
332 --disable-fma3 disable FMA3 optimizations
333 --disable-fma4 disable FMA4 optimizations
334 --disable-avx2 disable AVX2 optimizations
335 --disable-armv5te disable armv5te optimizations
336 --disable-armv6 disable armv6 optimizations
337 --disable-armv6t2 disable armv6t2 optimizations
338 --disable-vfp disable VFP optimizations
339 --disable-neon disable NEON optimizations
340 --disable-inline-asm disable use of inline assembler
341 --disable-yasm disable use of yasm assembler
342 --disable-mips32r2 disable MIPS32R2 optimizations
343 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
344 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
345 --disable-mipsfpu disable floating point MIPS optimizations
346 --disable-fast-unaligned consider unaligned accesses slow
348 Developer options (useful when working on FFmpeg itself):
349 --disable-debug disable debugging symbols
350 --enable-debug=LEVEL set the debug level [$debuglevel]
351 --disable-optimizations disable compiler optimizations
352 --enable-extra-warnings enable more compiler warnings
353 --disable-stripping disable stripping of executables and shared libraries
354 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
355 2 causes a slowdown at runtime.
356 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
357 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
358 leaks and errors, using the specified valgrind binary.
359 Cannot be combined with --target-exec
360 --enable-ftrapv Trap arithmetic overflows
361 --samples=PATH location of test samples for FATE, if not set use
362 \$FATE_SAMPLES at make invocation time.
363 --enable-neon-clobber-test check NEON registers for clobbering (should be
364 used only for debugging purposes)
365 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
366 should be used only for debugging purposes)
367 --enable-random randomly enable/disable components
369 --enable-random=LIST randomly enable/disable specific components or
370 --disable-random=LIST component groups. LIST is a comma-separated list
371 of NAME[:PROB] entries where NAME is a component
372 (group) and PROB the probability associated with
374 --random-seed=VALUE seed value for --enable/disable-random
376 NOTE: Object files are built at the place where configure is launched.
384 echo "$@" >> $logfile
389 pr -n -t $1 >> $logfile
400 WARNINGS="${WARNINGS}WARNING: $*\n"
407 If you think configure made a mistake, make sure you are using the latest
408 version from Git. If the latest version fails, report the problem to the
409 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
411 if disabled logging; then
413 Rerun configure with logging enabled (do not use --disable-logging), and
414 include the log this produces with your report.
418 Include the log file "$logfile" produced by configure as this will help
425 # Avoid locale weirdness, besides we really just want to translate ASCII.
427 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
431 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
435 echo "$*" | sed 's/["\\]/\\\0/g'
439 v=$(echo "$1" | sed "s/'/'\\\\''/g")
440 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
445 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\r//g'
452 eval "case $v in $pat) echo $v ;; esac"
460 eval "case $v in $pat) ;; *) echo $v ;; esac"
467 for v; do eval $m; done
473 for v; do echo ${v}${suffix}; done
488 eval : \${$var:=$value}
493 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
499 eval $(sanitize_var_name "$var")='$*'
503 eval echo \$$(sanitize_var_name "$1")
508 eval level=\${${pvar}_level:=0}
509 eval ${pvar}_${level}="\$$pvar"
510 eval ${pvar}_level=$(($level+1))
516 eval level=\${${pvar}_level:-0}
517 test $level = 0 && continue
518 eval level=$(($level-1))
519 eval $pvar="\${${pvar}_${level}}"
520 eval ${pvar}_level=$level
521 eval unset ${pvar}_${level}
543 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
549 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
555 enabled $var && continue
556 eval sel="\$${var}_select"
557 eval sgs="\$${var}_suggest"
561 enable_deep_weak $sgs
573 disabled $var && continue
582 test "${1#!}" = "$1" && op== || op=!=
583 eval test "x\$${1#!}" $op "xyes"
587 test "${1#!}" = "$1" && op== || op=!=
588 eval test "x\$${1#!}" $op "xno"
593 enabled $opt || return 1
599 disabled $opt || return 1
605 enabled $opt && return 0
611 disabled $opt && return 0
618 eval : \${$opt:=\$${opt}_default}
626 [ $var = $value ] && return 0
634 enabled ${cfg}_checking && die "Circular dependency for $cfg."
635 disabled ${cfg}_checking && continue
636 enable ${cfg}_checking
639 eval dep_all="\$${cfg}_deps"
640 eval dep_any="\$${cfg}_deps_any"
641 eval dep_sel="\$${cfg}_select"
642 eval dep_sgs="\$${cfg}_suggest"
643 eval dep_ifa="\$${cfg}_if"
644 eval dep_ifn="\$${cfg}_if_any"
646 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
647 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
648 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
650 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
651 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
652 enabled_all $dep_all || disable $cfg
653 enabled_any $dep_any || disable $cfg
654 disabled_any $dep_sel && disable $cfg
656 if enabled $cfg; then
658 enable_deep_weak $dep_sgs
661 disable ${cfg}_checking
670 for cfg in $allopts; do
671 enabled $cfg || continue
672 eval dep_extralibs="\$${cfg}_extralibs"
673 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
681 map 'eval echo "$v \${$v:-no}"' "$@" |
682 awk "BEGIN { split(\"$files\", files) }
684 c = \"$pfx\" toupper(\$1);
690 if (file ~ /\\.h\$/) {
691 printf(\"#define %s %d\\n\", c, v) >>file;
692 } else if (file ~ /\\.asm\$/) {
693 printf(\"%%define %s %d\\n\", c, v) >>file;
694 } else if (file ~ /\\.mak\$/) {
695 n = -v ? \"\" : \"!\";
696 printf(\"%s%s=yes\\n\", n, c) >>file;
697 } else if (file ~ /\\.texi\$/) {
698 pre = -v ? \"\" : \"@c \";
701 gsub(/_/, \"-\", c2);
702 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
712 enabled $v && printf "%s\n" ${v%$suf};
719 eval "$var=\"\$$var $*\""
725 eval "$var=\"$* \$$var\""
733 append CFLAGS $($cflags_filter "$@")
737 append CXXFLAGS $($cflags_filter "$@")
741 append ASFLAGS $($asflags_filter "$@")
745 append LDFLAGS $($ldflags_filter "$@")
749 append ASMSTRIPFLAGS "$@"
753 prepend extralibs $($ldflags_filter "$@")
757 append host_cppflags "$@"
761 append host_cflags $($host_cflags_filter "$@")
765 append host_ldflags $($host_ldflags_filter "$@")
769 append compat_objs $1
771 map 'add_cppflags -D$v' "$@"
776 "$@" >> $logfile 2>&1
780 eval printf '%s\\n' $CC_O
784 eval printf '%s\\n' $CC_E
791 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
798 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
805 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
809 eval printf '%s\\n' $AS_O
816 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
820 log check_inline_asm "$@"
825 check_cc "$@" <<EOF && enable $name
826 void foo(void){ __asm__ volatile($code); }
832 check_inline_asm ${1}_inline "\"$2\""
833 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
841 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
845 eval printf '%s\\n' $LD_O
852 flags=$(filter_out '-l*|*.so' $@)
853 libs=$(filter '-l*|*.so' $@)
854 check_$type $($cflags_filter $flags) || return
855 flags=$($ldflags_filter $flags)
856 libs=$($ldflags_filter $libs)
857 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
862 test "${hdr%.h}" = "${hdr}" &&
863 echo "#include $hdr" ||
864 echo "#include <$hdr>"
874 for hdr in $headers; do
877 echo "int main(void) { $code; return 0; }"
878 } | check_$check "$@"
882 log check_cppflags "$@"
883 check_cc "$@" <<EOF && append CPPFLAGS "$@"
890 set -- $($cflags_filter "$@")
897 log check_cflags "$@"
898 test_cflags "$@" && add_cflags "$@"
902 log check_cxxflags "$@"
903 set -- $($cflags_filter "$@")
904 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
910 log test_ldflags "$@"
911 check_ld "cc" "$@" <<EOF
912 int main(void){ return 0; }
917 log check_ldflags "$@"
918 test_ldflags "$@" && add_ldflags "$@"
922 log test_stripflags "$@"
923 # call check_cc to get a fresh TMPO
925 int main(void) { return 0; }
927 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
931 log check_stripflags "$@"
932 test_stripflags "$@" && add_stripflags "$@"
936 log check_header "$@"
940 check_cpp "$@" <<EOF && enable_safe $header
951 check_ld "cc" "$@" <<EOF && enable $func
953 int main(void){ $func(); }
958 log check_mathfunc "$@"
962 test $narg = 2 && args="f, g" || args="f"
964 check_ld "cc" "$@" <<EOF && enable $func
966 float foo(float f, float g) { return $func($args); }
967 int main(void){ return (int) foo; }
971 check_func_headers(){
972 log check_func_headers "$@"
977 for hdr in $headers; do
980 for func in $funcs; do
981 echo "long check_$func(void) { return (long) $func; }"
983 echo "int main(void) { return 0; }"
984 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
987 check_class_headers_cpp(){
988 log check_class_headers_cpp "$@"
993 for hdr in $headers; do
994 echo "#include <$hdr>"
996 echo "int main(void) { "
998 for class in $classes; do
1003 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1006 check_cpp_condition(){
1007 log check_cpp_condition "$@"
1011 check_cpp "$@" <<EOF
1014 #error "unsatisfied condition: $condition"
1024 check_header $header && check_func $func "$@" && add_extralibs "$@"
1032 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1036 log check_lib_cpp "$@"
1040 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1044 log check_pkg_config "$@"
1050 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1051 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1052 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1053 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1054 set_safe ${pkg}_cflags $pkg_cflags &&
1055 set_safe ${pkg}_libs $pkg_libs
1059 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1065 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1066 # are safe but may not be available everywhere. Thus we use
1067 # raise(SIGTERM) instead. The check is run in a subshell so we
1068 # can redirect the "Terminated" message from the shell. SIGBUS
1069 # is not defined by standard C so it is used conditionally.
1071 (check_exec "$@") >> $logfile 2>&1 <<EOF
1073 static void sighandler(int sig){
1079 int (*func_ptr)(void) = foo;
1081 signal(SIGILL, sighandler);
1082 signal(SIGFPE, sighandler);
1083 signal(SIGSEGV, sighandler);
1085 signal(SIGBUS, sighandler);
1097 disable_safe "$type"
1098 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1102 log check_struct "$@"
1107 disable_safe "${struct}_${member}"
1108 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1109 enable_safe "${struct}_${member}"
1113 log check_builtin "$@"
1119 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1122 check_compile_assert(){
1123 log check_compile_assert "$@"
1129 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1137 check_lib $header $func "$@" || die "ERROR: $name not found"
1145 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1153 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1156 require_pkg_config(){
1158 check_pkg_config "$@" || die "ERROR: $pkg not found"
1159 add_cflags $(get_safe ${pkg}_cflags)
1160 add_extralibs $(get_safe ${pkg}_libs)
1163 require_libfreetype(){
1164 log require_libfreetype "$@"
1166 check_cmd $pkg_config --exists --print-errors $pkg \
1167 || die "ERROR: $pkg not found"
1168 pkg_cflags=$($pkg_config --cflags $pkg)
1169 pkg_libs=$($pkg_config --libs $pkg)
1171 echo "#include <ft2build.h>"
1172 echo "#include FT_FREETYPE_H"
1173 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1174 echo "int main(void) { return 0; }"
1175 } | check_ld "cc" $pkg_cflags $pkg_libs \
1176 && set_safe ${pkg}_cflags $pkg_cflags \
1177 && set_safe ${pkg}_libs $pkg_libs \
1178 || die "ERROR: $pkg not found"
1179 add_cflags $(get_safe ${pkg}_cflags)
1180 add_extralibs $(get_safe ${pkg}_libs)
1184 eval printf '%s\\n' $HOSTCC_E
1188 eval printf '%s\\n' $HOSTCC_O
1192 log check_host_cc "$@"
1195 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1199 log check_host_cpp "$@"
1202 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1205 check_host_cppflags(){
1206 log check_host_cppflags "$@"
1207 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1212 check_host_cflags(){
1213 log check_host_cflags "$@"
1214 set -- $($host_cflags_filter "$@")
1215 check_host_cc "$@" <<EOF && append host_cflags "$@"
1220 check_host_cpp_condition(){
1221 log check_host_cpp_condition "$@"
1225 check_host_cpp "$@" <<EOF
1228 #error "unsatisfied condition: $condition"
1236 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1240 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1241 mkdir -p "$(dirname $2)"
1245 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1246 # system-dependent things.
1263 avio_reading_example
1265 demuxing_decoding_example
1266 filter_audio_example
1267 filtering_audio_example
1268 filtering_video_example
1272 resampling_audio_example
1273 scaling_video_example
1274 transcode_aac_example
1277 EXTERNAL_LIBRARY_LIST="
1358 safe_bitstream_reader
1416 $EXTERNAL_LIBRARY_LIST
1423 incompatible_libav_abi
1424 incompatible_fork_abi
1483 ARCH_EXT_LIST_MIPS="
1490 ARCH_EXT_LIST_X86_SIMD="
1516 $ARCH_EXT_LIST_X86_SIMD
1545 sync_val_compare_and_swap
1556 incompatible_libav_abi
1557 incompatible_fork_abi
1566 cdio_paranoia_paranoia_h
1568 dev_bktr_ioctl_bt848_h
1569 dev_bktr_ioctl_meteor_h
1571 dev_video_bktr_ioctl_bt848_h
1572 dev_video_meteor_ioctl_meteor_h
1580 machine_ioctl_bt848_h
1581 machine_ioctl_meteor_h
1583 openjpeg_1_5_openjpeg_h
1644 GetProcessAffinityMask
1645 GetProcessMemoryInfo
1649 GetSystemTimeAsFileTime
1655 jack_port_get_latency_range
1670 SetConsoleTextAttribute
1682 TOOLCHAIN_FEATURES="
1704 struct_group_source_req
1705 struct_ip_mreq_source
1708 struct_rusage_ru_maxrss
1709 struct_sctp_event_subscribe
1711 struct_sockaddr_sa_len
1712 struct_sockaddr_storage
1713 struct_stat_st_mtim_tv_nsec
1714 struct_v4l2_frmivalenum_discrete
1719 $(add_suffix _external $ARCH_EXT_LIST)
1720 $(add_suffix _inline $ARCH_EXT_LIST)
1747 # options emitted with CONFIG_ prefix but not available on the command line
1754 frame_thread_encoder
1860 # code dependency declarations
1862 # architecture extensions
1867 neon_deps_any="aarch64 arm"
1868 vfp_deps_any="aarch64 arm"
1871 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1874 mips32r2_deps="mips"
1875 mipsdspr1_deps="mips"
1876 mipsdspr2_deps="mips"
1882 x86_64_select="i686"
1883 x86_64_suggest="fast_cmov"
1886 amd3dnowext_deps="amd3dnow"
1902 mmx_external_deps="yasm"
1903 mmx_inline_deps="inline_asm"
1904 mmx_suggest="mmx_external mmx_inline"
1906 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1907 eval dep=\$${ext}_deps
1908 eval ${ext}_external_deps='"${dep}_external"'
1909 eval ${ext}_inline_deps='"${dep}_inline"'
1910 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1913 aligned_stack_if_any="aarch64 ppc x86"
1914 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1915 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1916 fast_unaligned_if_any="aarch64 ppc x86"
1918 need_memalign="altivec neon sse"
1920 # system capabilities
1921 log2_deps="!libc_msvcrt"
1923 symver_if_any="symver_asm_label symver_gnu_asm"
1926 atomics_gcc_if="sync_val_compare_and_swap"
1927 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1928 atomics_win32_if="MemoryBarrier"
1929 atomics_native_if_any="$ATOMICS_LIST"
1930 w32threads_deps="atomics_native"
1931 threads_if_any="$THREADS_LIST"
1935 error_resilience_select="dsputil"
1936 frame_thread_encoder_deps="encoders threads"
1939 mpegaudio_select="mpegaudiodsp"
1940 mpegaudiodsp_select="dct"
1941 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1942 mpegvideoenc_select="dsputil mpegvideo"
1944 # decoders / encoders
1945 aac_decoder_select="mdct sinewin"
1946 aac_encoder_select="audio_frame_queue mdct sinewin"
1947 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1948 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1949 ac3_encoder_select="mdct ac3dsp dsputil"
1950 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1951 aic_decoder_select="dsputil golomb"
1952 alac_encoder_select="lpc"
1953 als_decoder_select="dsputil"
1954 amrnb_decoder_select="lsp"
1955 amrwb_decoder_select="lsp"
1956 amv_decoder_select="sp5x_decoder exif"
1957 amv_encoder_select="aandcttables"
1958 ape_decoder_select="dsputil"
1959 asv1_decoder_select="dsputil"
1960 asv1_encoder_select="dsputil"
1961 asv2_decoder_select="dsputil"
1962 asv2_encoder_select="dsputil"
1963 atrac1_decoder_select="mdct sinewin"
1964 atrac3_decoder_select="mdct"
1965 atrac3p_decoder_select="mdct sinewin"
1966 avrn_decoder_select="exif"
1967 bink_decoder_select="dsputil hpeldsp"
1968 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1969 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1970 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1971 cllc_decoder_select="dsputil"
1972 comfortnoise_encoder_select="lpc"
1973 cook_decoder_select="dsputil mdct sinewin"
1974 cscd_decoder_select="lzo"
1975 cscd_decoder_suggest="zlib"
1976 dca_decoder_select="mdct"
1977 dirac_decoder_select="dsputil dwt golomb videodsp"
1978 dnxhd_decoder_select="dsputil"
1979 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1980 dvvideo_decoder_select="dsputil"
1981 dvvideo_encoder_select="dsputil"
1982 dxa_decoder_select="zlib"
1983 eac3_decoder_select="ac3_decoder"
1984 eac3_encoder_select="ac3_encoder"
1985 eamad_decoder_select="aandcttables dsputil mpegvideo"
1986 eatgq_decoder_select="aandcttables"
1987 eatqi_decoder_select="aandcttables dsputil error_resilience mpegvideo"
1988 exr_decoder_select="zlib"
1989 ffv1_decoder_select="golomb rangecoder"
1990 ffv1_encoder_select="rangecoder"
1991 ffvhuff_decoder_select="huffyuv_decoder"
1992 ffvhuff_encoder_select="huffyuv_encoder"
1993 fic_decoder_select="dsputil golomb"
1994 flac_decoder_select="golomb"
1995 flac_encoder_select="dsputil golomb lpc"
1996 flashsv_decoder_select="zlib"
1997 flashsv_encoder_select="zlib"
1998 flashsv2_encoder_select="zlib"
1999 flashsv2_decoder_select="zlib"
2000 flv_decoder_select="h263_decoder"
2001 flv_encoder_select="h263_encoder"
2002 fourxm_decoder_select="dsputil"
2003 fraps_decoder_select="dsputil huffman"
2004 g2m_decoder_select="dsputil zlib"
2005 g729_decoder_select="dsputil"
2006 h261_decoder_select="error_resilience mpegvideo"
2007 h261_encoder_select="aandcttables mpegvideoenc"
2008 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
2009 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2010 h263i_decoder_select="h263_decoder"
2011 h263p_encoder_select="h263_encoder"
2012 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
2013 h264_decoder_suggest="error_resilience"
2014 hevc_decoder_select="dsputil golomb videodsp"
2015 huffyuv_decoder_select="dsputil llviddsp"
2016 huffyuv_encoder_select="dsputil huffman llviddsp"
2017 iac_decoder_select="imc_decoder"
2018 imc_decoder_select="dsputil fft mdct sinewin"
2019 indeo3_decoder_select="hpeldsp"
2020 interplay_video_decoder_select="hpeldsp"
2021 jpegls_decoder_select="golomb mjpeg_decoder"
2022 jpegls_encoder_select="golomb"
2023 jv_decoder_select="dsputil"
2024 lagarith_decoder_select="dsputil"
2025 ljpeg_encoder_select="aandcttables mpegvideoenc"
2026 loco_decoder_select="golomb"
2027 mdec_decoder_select="dsputil error_resilience mpegvideo"
2028 metasound_decoder_select="lsp mdct sinewin"
2029 mimic_decoder_select="dsputil hpeldsp"
2030 mjpeg_decoder_select="dsputil hpeldsp exif"
2031 mjpeg_encoder_select="aandcttables mpegvideoenc"
2032 mjpegb_decoder_select="mjpeg_decoder"
2033 mlp_decoder_select="mlp_parser"
2034 motionpixels_decoder_select="dsputil"
2035 mp1_decoder_select="mpegaudio"
2036 mp1float_decoder_select="mpegaudio"
2037 mp2_decoder_select="mpegaudio"
2038 mp2float_decoder_select="mpegaudio"
2039 mp3_decoder_select="mpegaudio"
2040 mp3adu_decoder_select="mpegaudio"
2041 mp3adufloat_decoder_select="mpegaudio"
2042 mp3float_decoder_select="mpegaudio"
2043 mp3on4_decoder_select="mpegaudio"
2044 mp3on4float_decoder_select="mpegaudio"
2045 mpc7_decoder_select="dsputil mpegaudiodsp"
2046 mpc8_decoder_select="mpegaudiodsp"
2047 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2048 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2049 mpeg1video_decoder_select="error_resilience mpegvideo"
2050 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2051 mpeg2video_decoder_select="error_resilience mpegvideo"
2052 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2053 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2054 mpeg4_encoder_select="h263_encoder"
2055 msmpeg4v1_decoder_select="h263_decoder"
2056 msmpeg4v2_decoder_select="h263_decoder"
2057 msmpeg4v2_encoder_select="h263_encoder"
2058 msmpeg4v3_decoder_select="h263_decoder"
2059 msmpeg4v3_encoder_select="h263_encoder"
2060 mss2_decoder_select="error_resilience vc1_decoder"
2061 mxpeg_decoder_select="mjpeg_decoder"
2062 nellymoser_decoder_select="mdct sinewin"
2063 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2064 nuv_decoder_select="dsputil lzo"
2065 png_decoder_select="zlib"
2066 png_encoder_select="dsputil zlib"
2067 prores_decoder_select="dsputil"
2068 prores_encoder_select="dsputil"
2069 qcelp_decoder_select="lsp"
2070 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2071 ra_144_encoder_select="audio_frame_queue lpc"
2072 ralf_decoder_select="golomb"
2073 rtjpeg_decoder_select="dsputil"
2074 rv10_decoder_select="error_resilience h263_decoder h263dsp"
2075 rv10_encoder_select="h263_encoder"
2076 rv20_decoder_select="error_resilience h263_decoder h263dsp"
2077 rv20_encoder_select="h263_encoder"
2078 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
2079 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
2080 shorten_decoder_select="golomb"
2081 sipr_decoder_select="lsp"
2082 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
2083 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
2084 sonic_decoder_select="golomb rangecoder"
2085 sonic_encoder_select="golomb rangecoder"
2086 sonic_ls_encoder_select="golomb"
2087 sp5x_decoder_select="mjpeg_decoder"
2088 svq1_decoder_select="hpeldsp"
2089 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
2090 svq3_decoder_select="h264_decoder hpeldsp"
2091 svq3_decoder_suggest="zlib"
2092 tak_decoder_select="dsputil"
2093 theora_decoder_select="vp3_decoder"
2094 thp_decoder_select="mjpeg_decoder"
2095 tiff_decoder_suggest="zlib"
2096 tiff_encoder_suggest="zlib"
2097 truehd_decoder_select="mlp_parser"
2098 truemotion2_decoder_select="dsputil"
2099 truespeech_decoder_select="dsputil"
2100 tscc_decoder_select="zlib"
2101 twinvq_decoder_select="mdct lsp sinewin"
2102 utvideo_decoder_select="dsputil"
2103 utvideo_encoder_select="dsputil huffman"
2104 vble_decoder_select="dsputil"
2105 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel intrax8"
2106 vc1image_decoder_select="vc1_decoder"
2107 vorbis_decoder_select="mdct"
2108 vorbis_encoder_select="mdct"
2109 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2110 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2111 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2112 vp6a_decoder_select="vp6_decoder"
2113 vp6f_decoder_select="vp6_decoder"
2114 vp8_decoder_select="h264pred videodsp"
2115 vp9_decoder_select="videodsp"
2116 webp_decoder_select="vp8_decoder"
2117 wmapro_decoder_select="mdct sinewin"
2118 wmav1_decoder_select="mdct sinewin"
2119 wmav1_encoder_select="mdct sinewin"
2120 wmav2_decoder_select="mdct sinewin"
2121 wmav2_encoder_select="mdct sinewin"
2122 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2123 wmv1_decoder_select="h263_decoder"
2124 wmv1_encoder_select="h263_encoder"
2125 wmv2_decoder_select="h263_decoder intrax8 videodsp"
2126 wmv2_encoder_select="h263_encoder"
2127 wmv3_decoder_select="vc1_decoder"
2128 wmv3image_decoder_select="wmv3_decoder"
2129 zerocodec_decoder_select="zlib"
2130 zlib_decoder_select="zlib"
2131 zlib_encoder_select="zlib"
2132 zmbv_decoder_select="zlib"
2133 zmbv_encoder_select="zlib"
2135 # hardware accelerators
2136 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2137 dxva2_deps="dxva2api_h"
2138 vaapi_deps="va_va_h"
2139 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2140 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2141 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2142 xvmc_deps="X11_extensions_XvMClib_h"
2144 h263_vaapi_hwaccel_deps="vaapi"
2145 h263_vaapi_hwaccel_select="h263_decoder"
2146 h263_vdpau_hwaccel_deps="vdpau"
2147 h263_vdpau_hwaccel_select="h263_decoder"
2148 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2149 h264_dxva2_hwaccel_deps="dxva2"
2150 h264_dxva2_hwaccel_select="h264_decoder"
2151 h264_vaapi_hwaccel_deps="vaapi"
2152 h264_vaapi_hwaccel_select="h264_decoder"
2153 h264_vda_decoder_deps="vda"
2154 h264_vda_decoder_select="h264_decoder"
2155 h264_vda_hwaccel_deps="vda"
2156 h264_vda_hwaccel_select="h264_decoder"
2157 h264_vdpau_decoder_deps="vdpau"
2158 h264_vdpau_decoder_select="h264_decoder"
2159 h264_vdpau_hwaccel_deps="vdpau"
2160 h264_vdpau_hwaccel_select="h264_decoder"
2161 mpeg_vdpau_decoder_deps="vdpau"
2162 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2163 mpeg_xvmc_hwaccel_deps="xvmc"
2164 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2165 mpeg1_vdpau_decoder_deps="vdpau"
2166 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2167 mpeg1_vdpau_hwaccel_deps="vdpau"
2168 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2169 mpeg1_xvmc_hwaccel_deps="xvmc"
2170 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2171 mpeg2_crystalhd_decoder_select="crystalhd"
2172 mpeg2_dxva2_hwaccel_deps="dxva2"
2173 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2174 mpeg2_vaapi_hwaccel_deps="vaapi"
2175 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2176 mpeg2_vdpau_hwaccel_deps="vdpau"
2177 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2178 mpeg2_xvmc_hwaccel_deps="xvmc"
2179 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2180 mpeg4_crystalhd_decoder_select="crystalhd"
2181 mpeg4_vaapi_hwaccel_deps="vaapi"
2182 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2183 mpeg4_vdpau_decoder_deps="vdpau"
2184 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2185 mpeg4_vdpau_hwaccel_deps="vdpau"
2186 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2187 msmpeg4_crystalhd_decoder_select="crystalhd"
2188 vc1_crystalhd_decoder_select="crystalhd"
2189 vc1_dxva2_hwaccel_deps="dxva2"
2190 vc1_dxva2_hwaccel_select="vc1_decoder"
2191 vc1_vaapi_hwaccel_deps="vaapi"
2192 vc1_vaapi_hwaccel_select="vc1_decoder"
2193 vc1_vdpau_decoder_deps="vdpau"
2194 vc1_vdpau_decoder_select="vc1_decoder"
2195 vc1_vdpau_hwaccel_deps="vdpau"
2196 vc1_vdpau_hwaccel_select="vc1_decoder"
2197 wmv3_crystalhd_decoder_select="crystalhd"
2198 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2199 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2200 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2201 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2204 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
2205 hevc_parser_select="hevc_decoder"
2206 mpeg4video_parser_select="error_resilience h263dsp mpegvideo"
2207 mpegvideo_parser_select="error_resilience mpegvideo"
2208 vc1_parser_select="mpegvideo"
2210 # external libraries
2211 libaacplus_encoder_deps="libaacplus"
2212 libcelt_decoder_deps="libcelt"
2213 libfaac_encoder_deps="libfaac"
2214 libfaac_encoder_select="audio_frame_queue"
2215 libfdk_aac_decoder_deps="libfdk_aac"
2216 libfdk_aac_encoder_deps="libfdk_aac"
2217 libfdk_aac_encoder_select="audio_frame_queue"
2218 libgme_demuxer_deps="libgme"
2219 libgsm_decoder_deps="libgsm"
2220 libgsm_encoder_deps="libgsm"
2221 libgsm_ms_decoder_deps="libgsm"
2222 libgsm_ms_encoder_deps="libgsm"
2223 libilbc_decoder_deps="libilbc"
2224 libilbc_encoder_deps="libilbc"
2225 libmodplug_demuxer_deps="libmodplug"
2226 libmp3lame_encoder_deps="libmp3lame"
2227 libmp3lame_encoder_select="audio_frame_queue"
2228 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2229 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2230 libopencore_amrnb_encoder_select="audio_frame_queue"
2231 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2232 libopenjpeg_decoder_deps="libopenjpeg"
2233 libopenjpeg_encoder_deps="libopenjpeg"
2234 libopus_decoder_deps="libopus"
2235 libopus_encoder_deps="libopus"
2236 libopus_encoder_select="audio_frame_queue"
2237 libquvi_demuxer_deps="libquvi"
2238 libschroedinger_decoder_deps="libschroedinger"
2239 libschroedinger_encoder_deps="libschroedinger"
2240 libshine_encoder_deps="libshine"
2241 libshine_encoder_select="audio_frame_queue"
2242 libspeex_decoder_deps="libspeex"
2243 libspeex_encoder_deps="libspeex"
2244 libspeex_encoder_select="audio_frame_queue"
2245 libstagefright_h264_decoder_deps="libstagefright_h264"
2246 libtheora_encoder_deps="libtheora"
2247 libtwolame_encoder_deps="libtwolame"
2248 libvo_aacenc_encoder_deps="libvo_aacenc"
2249 libvo_aacenc_encoder_select="audio_frame_queue"
2250 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2251 libvorbis_decoder_deps="libvorbis"
2252 libvorbis_encoder_deps="libvorbis"
2253 libvorbis_encoder_select="audio_frame_queue"
2254 libvpx_vp8_decoder_deps="libvpx"
2255 libvpx_vp8_encoder_deps="libvpx"
2256 libvpx_vp9_decoder_deps="libvpx"
2257 libvpx_vp9_encoder_deps="libvpx"
2258 libwavpack_encoder_deps="libwavpack"
2259 libwebp_encoder_deps="libwebp"
2260 libx264_encoder_deps="libx264"
2261 libx264rgb_encoder_deps="libx264"
2262 libx265_encoder_deps="libx265"
2263 libxavs_encoder_deps="libxavs"
2264 libxvid_encoder_deps="libxvid"
2265 libutvideo_decoder_deps="libutvideo"
2266 libutvideo_encoder_deps="libutvideo"
2267 libzvbi_teletext_decoder_deps="libzvbi"
2270 ac3_demuxer_select="ac3_parser"
2271 asf_demuxer_select="riffdec"
2272 asf_muxer_select="riffenc"
2273 asf_stream_muxer_select="asf_muxer"
2274 avi_demuxer_select="riffdec"
2275 avi_muxer_select="riffenc"
2276 avisynth_demuxer_deps="avisynth"
2277 avisynth_demuxer_select="riffdec"
2278 caf_demuxer_select="riffdec"
2279 dirac_demuxer_select="dirac_parser"
2280 dts_demuxer_select="dca_parser"
2281 dtshd_demuxer_select="dca_parser"
2282 dxa_demuxer_select="riffdec"
2283 eac3_demuxer_select="ac3_parser"
2284 f4v_muxer_select="mov_muxer"
2285 flac_demuxer_select="flac_parser"
2286 hds_muxer_select="flv_muxer"
2287 hls_muxer_select="mpegts_muxer"
2288 ipod_muxer_select="mov_muxer"
2289 ismv_muxer_select="mov_muxer"
2290 libnut_demuxer_deps="libnut"
2291 libnut_muxer_deps="libnut"
2292 matroska_audio_muxer_select="matroska_muxer"
2293 matroska_demuxer_select="riffdec"
2294 matroska_demuxer_suggest="bzlib lzo zlib"
2295 matroska_muxer_select="riffenc"
2296 mmf_muxer_select="riffenc"
2297 mov_demuxer_select="riffdec"
2298 mov_demuxer_suggest="zlib"
2299 mov_muxer_select="riffenc rtpenc_chain"
2300 mp3_demuxer_select="mpegaudio_parser"
2301 mp4_muxer_select="mov_muxer"
2302 mpegts_muxer_select="adts_muxer latm_muxer"
2303 mpegtsraw_demuxer_select="mpegts_demuxer"
2304 mxf_d10_muxer_select="mxf_muxer"
2305 nut_muxer_select="riffenc"
2306 nuv_demuxer_select="riffdec"
2307 ogg_demuxer_select="golomb"
2308 psp_muxer_select="mov_muxer"
2309 rtp_demuxer_select="sdp_demuxer"
2310 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2311 rtsp_demuxer_select="http_protocol rtpdec"
2312 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2313 sap_demuxer_select="sdp_demuxer"
2314 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2315 sdp_demuxer_select="rtpdec"
2316 smoothstreaming_muxer_select="ismv_muxer"
2317 spdif_muxer_select="aac_parser"
2318 tak_demuxer_select="tak_parser"
2319 tg2_muxer_select="mov_muxer"
2320 tgp_muxer_select="mov_muxer"
2321 vobsub_demuxer_select="mpegps_demuxer"
2322 w64_demuxer_select="wav_demuxer"
2323 w64_muxer_select="wav_muxer"
2324 wav_demuxer_select="riffdec"
2325 wav_muxer_select="riffenc"
2326 webm_muxer_select="riffenc"
2327 wtv_demuxer_select="riffdec"
2328 wtv_muxer_select="riffenc"
2329 xmv_demuxer_select="riffdec"
2330 xwma_demuxer_select="riffdec"
2333 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2334 alsa_outdev_deps="alsa_asoundlib_h"
2335 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2336 caca_outdev_deps="libcaca"
2337 decklink_outdev_deps="decklink pthreads"
2338 decklink_outdev_extralibs="-lstdc++"
2339 dshow_indev_deps="IBaseFilter"
2340 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2341 dv1394_indev_deps="dv1394"
2342 dv1394_indev_select="dv_demuxer"
2343 fbdev_indev_deps="linux_fb_h"
2344 fbdev_outdev_deps="linux_fb_h"
2345 iec61883_indev_deps="libiec61883"
2346 jack_indev_deps="jack_jack_h sem_timedwait"
2347 lavfi_indev_deps="avfilter"
2348 libcdio_indev_deps="libcdio"
2349 libdc1394_indev_deps="libdc1394"
2350 libv4l2_indev_deps="libv4l2"
2351 openal_indev_deps="openal"
2352 opengl_outdev_deps="opengl"
2353 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2354 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2355 pulse_indev_deps="libpulse"
2356 pulse_outdev_deps="libpulse"
2357 sdl_outdev_deps="sdl"
2358 sndio_indev_deps="sndio_h"
2359 sndio_outdev_deps="sndio_h"
2360 v4l_indev_deps="linux_videodev_h"
2361 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2362 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2363 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2364 vfwcap_indev_extralibs="-lavicap32"
2365 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2366 xv_outdev_extralibs="-lXv -lX11 -lXext"
2367 x11grab_indev_deps="x11grab"
2370 bluray_protocol_deps="libbluray"
2371 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2372 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2373 ffrtmpcrypt_protocol_select="tcp_protocol"
2374 ffrtmphttp_protocol_deps="!librtmp_protocol"
2375 ffrtmphttp_protocol_select="http_protocol"
2376 ftp_protocol_select="tcp_protocol"
2377 gopher_protocol_select="network"
2378 http_protocol_select="tcp_protocol"
2379 httpproxy_protocol_select="tcp_protocol"
2380 https_protocol_select="tls_protocol"
2381 librtmp_protocol_deps="librtmp"
2382 librtmpe_protocol_deps="librtmp"
2383 librtmps_protocol_deps="librtmp"
2384 librtmpt_protocol_deps="librtmp"
2385 librtmpte_protocol_deps="librtmp"
2386 libssh_protocol_deps="libssh"
2387 mmsh_protocol_select="http_protocol"
2388 mmst_protocol_select="network"
2389 rtmp_protocol_deps="!librtmp_protocol"
2390 rtmp_protocol_select="tcp_protocol"
2391 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2392 rtmps_protocol_deps="!librtmp_protocol"
2393 rtmps_protocol_select="tls_protocol"
2394 rtmpt_protocol_select="ffrtmphttp_protocol"
2395 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2396 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2397 rtp_protocol_select="udp_protocol"
2398 sctp_protocol_deps="struct_sctp_event_subscribe"
2399 sctp_protocol_select="network"
2400 srtp_protocol_select="rtp_protocol"
2401 tcp_protocol_select="network"
2402 tls_protocol_deps_any="openssl gnutls"
2403 tls_protocol_select="tcp_protocol"
2404 udp_protocol_select="network"
2405 unix_protocol_deps="sys_un_h"
2406 unix_protocol_select="network"
2409 aconvert_filter_deps="swresample"
2410 amovie_filter_deps="avcodec avformat"
2411 aresample_filter_deps="swresample"
2412 ass_filter_deps="libass"
2413 asyncts_filter_deps="avresample"
2414 atempo_filter_deps="avcodec"
2415 atempo_filter_select="rdft"
2416 azmq_filter_deps="libzmq"
2417 blackframe_filter_deps="gpl"
2418 boxblur_filter_deps="gpl"
2419 colormatrix_filter_deps="gpl"
2420 cropdetect_filter_deps="gpl"
2421 dctdnoiz_filter_deps="avcodec"
2422 dctdnoiz_filter_select="dct"
2423 delogo_filter_deps="gpl"
2424 deshake_filter_deps="avcodec"
2425 deshake_filter_select="dsputil"
2426 drawtext_filter_deps="libfreetype"
2427 ebur128_filter_deps="gpl"
2428 flite_filter_deps="libflite"
2429 frei0r_filter_deps="frei0r dlopen"
2430 frei0r_filter_extralibs='$ldl'
2431 frei0r_src_filter_deps="frei0r dlopen"
2432 frei0r_src_filter_extralibs='$ldl'
2433 geq_filter_deps="gpl"
2434 histeq_filter_deps="gpl"
2435 hqdn3d_filter_deps="gpl"
2436 interlace_filter_deps="gpl"
2437 kerndeint_filter_deps="gpl"
2438 ladspa_filter_deps="ladspa dlopen"
2439 mcdeint_filter_deps="avcodec gpl"
2440 movie_filter_deps="avcodec avformat"
2441 mp_filter_deps="gpl avcodec swscale inline_asm"
2442 mpdecimate_filter_deps="gpl avcodec"
2443 mptestsrc_filter_deps="gpl"
2444 negate_filter_deps="lut_filter"
2445 perspective_filter_deps="gpl"
2446 ocv_filter_deps="libopencv"
2447 owdenoise_filter_deps="gpl"
2448 pan_filter_deps="swresample"
2449 phase_filter_deps="gpl"
2450 pp_filter_deps="gpl postproc"
2451 pullup_filter_deps="gpl"
2452 removelogo_filter_deps="avcodec avformat swscale"
2453 resample_filter_deps="avresample"
2454 sab_filter_deps="gpl swscale"
2455 scale_filter_deps="swscale"
2456 smartblur_filter_deps="gpl swscale"
2457 showspectrum_filter_deps="avcodec"
2458 showspectrum_filter_select="rdft"
2459 spp_filter_deps="gpl avcodec"
2460 spp_filter_select="fft"
2461 stereo3d_filter_deps="gpl"
2462 subtitles_filter_deps="avformat avcodec libass"
2463 super2xsai_filter_deps="gpl"
2464 tinterlace_filter_deps="gpl"
2465 vidstabdetect_filter_deps="libvidstab"
2466 vidstabtransform_filter_deps="libvidstab"
2467 pixfmts_super2xsai_test_deps="super2xsai_filter"
2468 tinterlace_merge_test_deps="tinterlace_filter"
2469 tinterlace_pad_test_deps="tinterlace_filter"
2470 zmq_filter_deps="libzmq"
2473 avio_reading="avformat avcodec avutil"
2474 avcodec_example_deps="avcodec avutil"
2475 demuxing_decoding_example_deps="avcodec avformat avutil"
2476 filter_audio_example_deps="avfilter avutil"
2477 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2478 filtering_video_example_deps="avfilter avcodec avformat avutil"
2479 metadata_example_deps="avformat avutil"
2480 muxing_example_deps="avcodec avformat avutil swscale"
2481 remuxing_example_deps="avcodec avformat avutil"
2482 resampling_audio_example_deps="avutil swresample"
2483 scaling_video_example_deps="avutil swscale"
2484 transcode_aac_example_deps="avcodec avformat swresample"
2487 avcodec_deps="avutil"
2488 avdevice_deps="avutil avcodec avformat"
2489 avfilter_deps="avutil"
2490 avformat_deps="avutil avcodec"
2491 avresample_deps="avutil"
2492 postproc_deps="avutil gpl"
2493 swscale_deps="avutil"
2496 ffmpeg_deps="avcodec avfilter avformat swresample"
2497 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2499 setpts_filter trim_filter"
2500 ffplay_deps="avcodec avformat swscale swresample sdl"
2501 ffplay_libs='$sdl_libs'
2502 ffplay_select="rdft crop_filter"
2503 ffprobe_deps="avcodec avformat"
2504 ffserver_deps="avformat fork sarestart"
2505 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2508 podpages_deps="perl"
2509 manpages_deps="perl pod2man"
2510 htmlpages_deps="perl texi2html"
2511 txtpages_deps="perl makeinfo"
2512 doc_deps_any="manpages htmlpages podpages txtpages"
2514 # default parameters
2516 logfile="config.log"
2518 # installation paths
2519 prefix_default="/usr/local"
2520 bindir_default='${prefix}/bin'
2521 datadir_default='${prefix}/share/ffmpeg'
2522 docdir_default='${prefix}/share/doc/ffmpeg'
2523 incdir_default='${prefix}/include'
2524 libdir_default='${prefix}/lib'
2525 mandir_default='${prefix}/share/man'
2526 shlibdir_default="$libdir_default"
2532 host_cc_default="gcc"
2538 pkg_config_default=pkg-config
2540 strip_default="strip"
2541 yasmexe_default="yasm"
2542 windres_default="windres"
2547 target_os_default=$(tolower $(uname -s))
2548 host_os=$target_os_default
2551 if test "$target_os_default" = aix; then
2552 arch_default=$(uname -p)
2554 arch_default=$(uname -m)
2558 # configurable options
2559 enable $PROGRAM_LIST
2560 enable $DOCUMENT_LIST
2561 enable $EXAMPLE_LIST
2562 enable $(filter_out avresample $LIBRARY_LIST)
2568 enable optimizations
2569 enable runtime_cpudetect
2570 enable safe_bitstream_reader
2572 enable swscale_alpha
2574 # Enable hwaccels by default.
2575 enable dxva2 vaapi vdpau xvmc
2579 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2582 FULLNAME='$(NAME)$(BUILDSUF)'
2583 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2586 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2587 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2588 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2589 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2590 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2591 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2613 host_cflags_filter=echo
2614 host_ldflags_filter=echo
2616 target_path='$(CURDIR)'
2618 # since the object filename is not given with the -MM flag, the compiler
2619 # is only able to print the basename, and we must add the path ourselves
2620 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2624 if test -f configure; then
2627 source_path=$(cd $(dirname "$0"); pwd)
2628 echo "$source_path" | grep -q '[[:blank:]]' &&
2629 die "Out of tree builds are impossible with whitespace in source path."
2630 test -e "$source_path/config.h" &&
2631 die "Out of tree builds are impossible with config.h in source dir."
2638 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2644 file=$source_path/$3
2645 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2648 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2649 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2650 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2651 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2652 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2653 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2654 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2655 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2656 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2657 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2658 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2674 for n in $COMPONENT_LIST; do
2675 v=$(toupper ${n%s})_LIST
2677 eval ${n}_if_any="\$$v"
2680 enable $ARCH_EXT_LIST
2683 echo "Unknown option \"$1\"."
2684 echo "See $0 --help for available options."
2689 cat | tr ' ' '\n' | sort | pr -r -3 -t
2695 echo $* | sed s/$suffix//g | print_3_columns
2707 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2708 echo "prob ${prob:-0.5}"
2716 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2717 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2727 add_extralibs $optval
2730 disable $INDEV_LIST $OUTDEV_LIST
2733 debuglevel="$optval"
2736 disable $PROGRAM_LIST
2738 --disable-everything)
2739 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2742 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2743 disable $LIBRARY_LIST $PROGRAM_LIST doc
2745 --enable-random|--disable-random)
2746 action=${opt%%-random}
2747 do_random ${action#--} $COMPONENT_LIST
2749 --enable-random=*|--disable-random=*)
2750 action=${opt%%-random=*}
2751 do_random ${action#--} $optval
2753 --enable-*=*|--disable-*=*)
2754 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2755 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2756 eval list=\$$(toupper $thing)_LIST
2757 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2758 list=$(filter "$name" $list)
2759 [ "$list" = "" ] && warn "Option $opt did not match anything"
2762 --enable-?*|--disable-?*)
2763 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2764 if is_in $option $COMPONENT_LIST; then
2765 test $action = disable && action=unset
2766 eval $action \$$(toupper ${option%s})_LIST
2767 elif is_in $option $CMDLINE_SELECT; then
2774 NAME="${opt#--list-}"
2775 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2777 eval show_list $NAME \$$(toupper $NAME)_LIST
2779 --help|-h) show_help
2781 --fatal-warnings) enable fatal_warnings
2784 optname="${opt%%=*}"
2785 optname="${optname#--}"
2786 optname=$(echo "$optname" | sed 's/-/_/g')
2787 if is_in $optname $CMDLINE_SET; then
2788 eval $optname='$optval'
2789 elif is_in $optname $CMDLINE_APPEND; then
2790 append $optname "$optval"
2798 disabled logging && logfile=/dev/null
2800 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2803 test -n "$cross_prefix" && enable cross_compile
2805 if enabled cross_compile; then
2806 test -n "$arch" && test -n "$target_os" ||
2807 die "Must specify target arch and OS when cross-compiling"
2810 ar_default="${cross_prefix}${ar_default}"
2811 cc_default="${cross_prefix}${cc_default}"
2812 cxx_default="${cross_prefix}${cxx_default}"
2813 nm_default="${cross_prefix}${nm_default}"
2814 pkg_config_default="${cross_prefix}${pkg_config_default}"
2815 ranlib="${cross_prefix}${ranlib}"
2816 strip_default="${cross_prefix}${strip_default}"
2817 windres_default="${cross_prefix}${windres_default}"
2819 sysinclude_default="${sysroot}/usr/include"
2821 test -n "$valgrind" && toolchain="valgrind-memcheck"
2823 case "$toolchain" in
2826 add_cflags -fsanitize=address
2827 add_ldflags -fsanitize=address
2831 add_cflags -fsanitize=thread -pie
2832 add_ldflags -fsanitize=thread -pie
2836 add_cflags -fsanitize=undefined
2837 add_ldflags -fsanitize=undefined
2841 add_cflags -fsanitize=address
2842 add_ldflags -fsanitize=address
2846 add_cflags -fsanitize=thread -pie -fPIC
2847 add_ldflags -fsanitize=thread -pie -fPIC
2851 add_cflags -fsanitize=undefined
2852 add_ldflags -fsanitize=undefined
2855 target_exec_default=${valgrind:-"valgrind"}
2856 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"
2859 target_exec_default=${valgrind:-"valgrind"}
2860 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2863 # Check whether the current MSVC version needs the C99 converter.
2864 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2865 # support enough of C99 to build ffmpeg. Default to the new
2866 # behaviour if the regexp was unable to match anything, since this
2867 # successfully parses the version number of existing supported
2868 # versions that require the converter (MSVC 2010 and 2012).
2869 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2870 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2873 cc_default="c99wrap cl"
2876 nm_default="dumpbin -symbols"
2878 target_os_default="win32"
2879 # Use a relative path for TMPDIR. This makes sure all the
2880 # ffconf temp files are written with a relative path, avoiding
2881 # issues with msys/win32 path conversion for MSVC parameters
2882 # such as -Fo<file> or -out:<file>.
2888 nm_default="dumpbin -symbols"
2890 target_os_default="win32"
2894 add_cflags -fprofile-arcs -ftest-coverage
2895 add_ldflags -fprofile-arcs -ftest-coverage
2898 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2899 add_ldflags -Wl,-z,relro -Wl,-z,now
2902 die "Unknown toolchain $toolchain"
2906 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2907 enabled cross_compile || host_cc_default=$cc
2910 if ! $pkg_config --version >/dev/null 2>&1; then
2911 warn "$pkg_config not found, library detection may fail."
2917 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2921 EXESUF=$(exesuf $target_os)
2922 HOSTEXESUF=$(exesuf $host_os)
2924 # set temporary file name
2925 : ${TMPDIR:=$TEMPDIR}
2929 if [ -n "$tempprefix" ] ; then
2931 echo $tempprefix.${HOSTNAME}.${UID}
2933 elif ! check_cmd mktemp -u XXXXXX; then
2934 # simple replacement for missing mktemp
2935 # NOT SAFE FOR GENERAL USE
2937 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2942 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2943 (set -C; exec > $tmp) 2>/dev/null ||
2944 die "Unable to create temporary file in $TMPDIR."
2945 append TMPFILES $tmp
2949 trap 'rm -f -- $TMPFILES' EXIT
2954 tmpfile TMPE $EXESUF
2965 # make sure we can execute files in $TMPDIR
2966 cat > $TMPSH 2>> $logfile <<EOF
2969 chmod +x $TMPSH >> $logfile 2>&1
2970 if ! $TMPSH >> $logfile 2>&1; then
2972 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2973 variable to another directory and make sure that it is not mounted noexec.
2975 die "Sanity test failed."
2981 -std=c99) echo -c99 ;;
2982 -mcpu=*) echo -arch ${flag#*=} ;;
2983 -mieee) echo -ieee ;;
2984 -O*|-fast) echo $flag ;;
2985 -fno-math-errno) echo -assume nomath_errno ;;
2987 -Wall) echo -msg_enable level2 ;;
2988 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2989 -Wl,*) echo $flag ;;
2999 -Wno-switch) echo -Wno-switch-enum ;;
3000 -Wno-format-zero-length) ;;
3001 -Wdisabled-optimization) ;;
3002 -Wno-pointer-sign) echo -Wno-other ;;
3008 msvc_common_flags(){
3011 # In addition to specifying certain flags under the compiler
3012 # specific filters, they must be specified here as well or else the
3013 # generic catch all at the bottom will print the original flag.
3017 -fomit-frame-pointer) ;;
3021 -fno-signed-zeros) ;;
3025 -lz) echo zlib.lib ;;
3026 -lavifil32) echo vfw32.lib ;;
3027 -lavicap32) echo vfw32.lib user32.lib ;;
3028 -l*) echo ${flag#-l}.lib ;;
3035 msvc_common_flags "$@"
3038 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3039 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3040 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3048 msvc_common_flags "$@"
3051 # Despite what Intel's documentation says -Wall, which is supported
3052 # on Windows, does enable remarks so disable them here.
3053 -Wall) echo $flag -Qdiag-disable:remark ;;
3054 -std=c99) echo -Qstd=c99 ;;
3062 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3063 -fomit-frame-pointer) echo -Mnoframe ;;
3074 case "${flag#*=}" in
3075 native) echo -xtarget=native ;;
3076 v9|niagara) echo -xarch=sparc ;;
3077 ultrasparc) echo -xarch=sparcvis ;;
3078 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3079 i586|pentium) echo -xchip=pentium ;;
3080 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3081 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3082 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3083 pentium4*) echo -xtarget=pentium4 ;;
3084 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3085 *-sse3) echo -xarch=sse3 ;;
3086 core2) echo -xarch=ssse3 -xchip=core2 ;;
3087 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3088 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3089 amdfam10|barcelona) echo -xtarget=barcelona ;;
3090 bdver*) echo -xarch=avx ;;
3091 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3092 k8|opteron|athlon64|athlon-fx)
3093 echo -xarch=sse2a ;;
3094 athlon*) echo -xarch=pentium_proa ;;
3097 -std=c99) echo -xc99 ;;
3098 -fomit-frame-pointer) echo -xregs=frameptr ;;
3099 -fPIC) echo -KPIC -xcode=pic32 ;;
3100 -W*,*) echo $flag ;;
3101 -f*-*|-W*|-mimpure-text) ;;
3112 case "${flag#*=}" in
3113 armv7-a|cortex-a*) echo -mv=7a8 ;;
3114 armv7-r|cortex-r*) echo -mv=7r4 ;;
3115 armv7-m|cortex-m*) echo -mv=7m3 ;;
3116 armv6*|arm11*) echo -mv=6 ;;
3117 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3119 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3122 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3123 -mfpu=vfp) echo --float_support=vfpv2 ;;
3124 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3125 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3126 -msoft-float) echo --float_support=vfplib ;;
3127 -O[0-3]|-mf=*) echo $flag ;;
3129 -pds=*) echo $flag ;;
3130 -D*|-I*) echo $flag ;;
3131 --gcc|--abi=*) echo $flag ;;
3141 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3142 unset _ld_o _ldflags _ld_lib _ld_path
3143 unset _depflags _DEPCMD _DEPFLAGS
3146 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3147 true # no-op to avoid reading stdin in following checks
3148 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3150 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3151 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3152 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3155 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3157 gcc_version=$($_cc --version | head -n1)
3158 gcc_basever=$($_cc -dumpversion)
3159 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3160 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3161 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3162 if ! $_cc -dumpversion | grep -q '^2\.'; then
3163 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3167 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3169 _ident=$($_cc --version | head -n1)
3174 elif $_cc -v 2>&1 | grep -q xlc; then
3176 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3178 _cflags_size='-O5 -qcompact'
3179 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3181 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3183 _cflags_speed='-fast'
3185 _flags_filter=ccc_flags
3186 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
3187 test -d "$sysroot" || die "No valid sysroot specified."
3189 _ident=$($_cc --vsn | head -n1)
3190 armcc_conf="$PWD/armcc.conf"
3191 $_cc --arm_linux_configure \
3192 --arm_linux_config_file="$armcc_conf" \
3193 --configure_sysroot="$sysroot" \
3194 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3195 die "Error creating armcc configuration file."
3196 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3197 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3198 as_default="${cross_prefix}gcc"
3202 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3204 _ident=$($_cc -version | head -n1 | tr -s ' ')
3205 _flags='--gcc --abi=eabi -me'
3208 _depflags='-ppa -ppd=$(@:.o=.d)'
3209 _cflags_speed='-O3 -mf=5'
3210 _cflags_size='-O3 -mf=2'
3211 _flags_filter=tms470_flags
3212 elif $_cc -v 2>&1 | grep -q clang; then
3214 _ident=$($_cc --version | head -n1)
3215 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3218 elif $_cc -V 2>&1 | grep -q Sun; then
3220 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3221 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3222 _DEPFLAGS='-xM1 -xc99'
3225 _cflags_size='-O5 -xspace'
3226 _flags_filter=suncc_flags
3227 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3229 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3230 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3233 _flags_filter='filter_out -Wdisabled-optimization'
3234 elif $_cc -v 2>&1 | grep -q Open64; then
3236 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3237 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3240 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3241 elif $_cc -V 2>&1 | grep -q Portland; then
3243 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3244 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3245 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3246 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3248 _flags_filter=pgi_flags
3249 elif $_cc 2>&1 | grep -q Microsoft; then
3251 _ident=$($cc 2>&1 | head -n1)
3252 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3253 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3256 if $_cc 2>&1 | grep -q Linker; then
3263 _flags_filter=msvc_flags
3265 _ld_path='-libpath:'
3267 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3268 if [ $pfx = hostcc ]; then
3269 append _cflags -Dsnprintf=_snprintf
3272 elif $_cc 2>&1 | grep -q Intel; then
3274 _ident=$($cc 2>&1 | head -n1)
3275 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3276 # Not only is O3 broken on 13.x+ but it is slower on all previous
3277 # versions (tested) as well.
3279 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3280 if $_cc 2>&1 | grep -q Linker; then
3287 _flags_filter=icl_flags
3289 _ld_path='-libpath:'
3290 # -Qdiag-error to make icl error when seeing certain unknown arguments
3291 _flags='-nologo -Qdiag-error:4044,10157'
3292 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3293 # with MSVC which enables it by default.
3294 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3295 if [ $pfx = hostcc ]; then
3296 append _cflags -Dsnprintf=_snprintf
3298 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3300 _ident=$($_cc --version | head -n1)
3304 _flags_filter=cparser_flags
3307 eval ${pfx}_type=\$_type
3308 eval ${pfx}_ident=\$_ident
3312 eval ${1}_C=\${_cc_c-\${${1}_C}}
3313 eval ${1}_E=\${_cc_e-\${${1}_E}}
3314 eval ${1}_O=\${_cc_o-\${${1}_O}}
3316 if [ -n "$_depflags" ]; then
3317 eval ${1}_DEPFLAGS=\$_depflags
3319 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3320 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3321 eval DEP${1}FLAGS=\$_flags
3326 cflags_filter=$_flags_filter
3327 cflags_speed=$_cflags_speed
3328 cflags_size=$_cflags_size
3329 cflags_noopt=$_cflags_noopt
3330 add_cflags $_flags $_cflags
3331 cc_ldflags=$_ldflags
3334 probe_cc hostcc "$host_cc"
3335 host_cflags_filter=$_flags_filter
3336 add_host_cflags $_flags $_cflags
3339 test -n "$cc_type" && enable $cc_type ||
3340 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3342 : ${as_default:=$cc}
3343 : ${dep_cc_default:=$cc}
3344 : ${ld_default:=$cc}
3345 : ${host_ld_default:=$host_cc}
3346 set_default ar as dep_cc ld host_ld windres
3349 asflags_filter=$_flags_filter
3350 add_asflags $_flags $_cflags
3354 ldflags_filter=$_flags_filter
3355 add_ldflags $_flags $_ldflags
3356 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3358 LD_LIB=${_ld_lib-$LD_LIB}
3359 LD_PATH=${_ld_path-$LD_PATH}
3361 probe_cc hostld "$host_ld"
3362 host_ldflags_filter=$_flags_filter
3363 add_host_ldflags $_flags $_ldflags
3364 HOSTLD_O=${_ld_o-$HOSTLD_O}
3366 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3367 probe_cc depcc "$dep_cc"
3368 CCDEP=${_DEPCMD:-$DEPCMD}
3369 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3373 if $ar 2>&1 | grep -q Microsoft; then
3376 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3379 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3380 arflags='-Xany -r -c'
3387 add_cflags $extra_cflags
3388 add_cxxflags $extra_cxxflags
3389 add_asflags $extra_cflags
3391 if test -n "$sysroot"; then
3394 add_cppflags --sysroot="$sysroot"
3395 add_ldflags --sysroot="$sysroot"
3398 add_cppflags -I"$sysinclude"
3399 add_ldflags --sysroot="$sysroot"
3404 if test "$cpu" = host; then
3405 enabled cross_compile &&
3406 die "--cpu=host makes no sense when cross-compiling."
3411 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3413 s/.*$1=\\([^ ]*\\).*/\\1/
3418 cpu=$(check_native -march || check_native -mcpu)
3422 test "${cpu:-host}" = host &&
3423 die "--cpu=host not supported with compiler $cc"
3426 # Deal with common $arch aliases
3440 "Power Macintosh"|ppc*|powerpc*)
3455 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3460 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3463 # Add processor-specific flags
3464 if enabled aarch64; then
3468 cpuflags="-march=$cpu"
3471 cpuflags="-mcpu=$cpu"
3475 elif enabled alpha; then
3477 cpuflags="-mcpu=$cpu"
3479 elif enabled arm; then
3482 check_cpp_condition stddef.h \
3483 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3488 if check_arm_arch 4; then echo armv4;
3489 elif check_arm_arch 4T; then echo armv4t;
3490 elif check_arm_arch 5; then echo armv5;
3491 elif check_arm_arch 5E; then echo armv5e;
3492 elif check_arm_arch 5T; then echo armv5t;
3493 elif check_arm_arch 5TE; then echo armv5te;
3494 elif check_arm_arch 5TEJ; then echo armv5te;
3495 elif check_arm_arch 6; then echo armv6;
3496 elif check_arm_arch 6J; then echo armv6j;
3497 elif check_arm_arch 6K; then echo armv6k;
3498 elif check_arm_arch 6Z; then echo armv6z;
3499 elif check_arm_arch 6ZK; then echo armv6zk;
3500 elif check_arm_arch 6T2; then echo armv6t2;
3501 elif check_arm_arch 7; then echo armv7;
3502 elif check_arm_arch 7A 7_A; then echo armv7-a;
3503 elif check_arm_arch 7R 7_R; then echo armv7-r;
3504 elif check_arm_arch 7M 7_M; then echo armv7-m;
3505 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3506 elif check_arm_arch 8A 8_A; then echo armv8-a;
3510 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3514 cpuflags="-march=$cpu"
3515 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3518 cpuflags="-mcpu=$cpu"
3520 cortex-a*) subarch=armv7a ;;
3521 cortex-r*) subarch=armv7r ;;
3522 cortex-m*) enable thumb; subarch=armv7m ;;
3523 arm11*) subarch=armv6 ;;
3524 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3525 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3526 *) subarch=$(probe_arm_arch) ;;
3532 armv5t*) enable fast_clz ;;
3533 armv[6-8]*) enable fast_clz fast_unaligned ;;
3536 elif enabled avr32; then
3541 cpuflags="-mpart=$cpu"
3545 cpuflags="-march=$cpu"
3549 cpuflags="-mcpu=$cpu"
3553 cpuflags="-march=$cpu"
3557 elif enabled bfin; then
3559 cpuflags="-mcpu=$cpu"
3561 elif enabled mips; then
3563 cpuflags="-march=$cpu"
3579 24kef*|34kf*|1004kf*)
3587 elif enabled ppc; then
3589 case $(tolower $cpu) in
3590 601|ppc601|powerpc601)
3591 cpuflags="-mcpu=601"
3594 603*|ppc603*|powerpc603*)
3595 cpuflags="-mcpu=603"
3598 604*|ppc604*|powerpc604*)
3599 cpuflags="-mcpu=604"
3602 g3|75*|ppc75*|powerpc75*)
3603 cpuflags="-mcpu=750"
3606 g4|745*|ppc745*|powerpc745*)
3607 cpuflags="-mcpu=7450"
3609 74*|ppc74*|powerpc74*)
3610 cpuflags="-mcpu=7400"
3612 g5|970|ppc970|powerpc970)
3613 cpuflags="-mcpu=970"
3616 cpuflags="-mcpu=$cpu"
3619 cpuflags="-mcpu=cell"
3623 cpuflags="-mcpu=e500mc"
3627 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3631 cpuflags="-mcpu=8540 -mhard-float"
3636 elif enabled sparc; then
3639 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3640 cpuflags="-mcpu=$cpu"
3642 ultrasparc*|niagara[234])
3643 cpuflags="-mcpu=$cpu"
3647 elif enabled x86; then
3651 cpuflags="-march=$cpu"
3654 # targets that do NOT support nopl and conditional mov (cmov)
3655 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3656 cpuflags="-march=$cpu"
3659 # targets that do support nopl and conditional mov (cmov)
3660 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3661 cpuflags="-march=$cpu"
3665 # targets that do support conditional mov but on which it's slow
3666 pentium4|pentium4m|prescott|nocona)
3667 cpuflags="-march=$cpu"
3675 if [ "$cpu" != generic ]; then
3676 add_cflags $cpuflags
3677 add_asflags $cpuflags
3680 # compiler sanity check
3682 int main(void){ return 0; }
3684 if test "$?" != 0; then
3685 echo "$cc is unable to create an executable file."
3686 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3687 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3688 echo "Only do this if you know what cross compiling means."
3690 die "C compiler test failed."
3693 add_cppflags -D_ISOC99_SOURCE
3694 add_cxxflags -D__STDC_CONSTANT_MACROS
3695 check_cflags -std=c99
3696 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3699 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3703 add_host_cppflags -D_ISOC99_SOURCE
3704 check_host_cflags -std=c99
3705 check_host_cflags -Wall
3706 check_host_cflags -O3
3712 check_code cc "" "int test[2*($expr) - 1]" &&
3713 subarch=$arch64 || subarch=$arch32
3721 check_64bit mips mips64 '_MIPS_SIM > 1'
3725 check_64bit parisc parisc64 'sizeof(void *) > 4'
3729 check_64bit ppc ppc64 'sizeof(void *) > 4'
3733 check_64bit s390 s390x 'sizeof(void *) > 4'
3737 check_64bit sparc sparc64 'sizeof(void *) > 4'
3741 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3742 if test "$subarch" = "x86_64"; then
3747 check_cc <<EOF && subarch="ppc64"
3748 int test[(int)sizeof(char*) - 7];
3754 enabled spic && enable_weak pic
3760 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3761 enabled shared && add_ldflags -Wl,-brtl
3764 prefix_default="/boot/common"
3765 network_extralibs="-lnetwork"
3769 SHFLAGS='-shared -Wl,-h,$$(@F)'
3770 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3771 network_extralibs="-lsocket -lnsl"
3772 # When using suncc to build, the Solaris linker will mark
3773 # an executable with each instruction set encountered by
3774 # the Solaris assembler. As our libraries contain their own
3775 # guards for processor-specific code, instead suppress
3776 # generation of the HWCAPS ELF section on Solaris x86 only.
3777 enabled_all suncc x86 &&
3778 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3779 add_ldflags -Wl,-M,mapfile
3780 nm_default='nm -P -g'
3784 oss_indev_extralibs="-lossaudio"
3785 oss_outdev_extralibs="-lossaudio"
3786 enabled gcc || check_ldflags -Wl,-zmuldefs
3791 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3793 oss_indev_extralibs="-lossaudio"
3794 oss_outdev_extralibs="-lossaudio"
3802 add_extralibs -lpoll -lgnugetopt
3806 gas="gas-preprocessor.pl $cc"
3807 enabled ppc && add_asflags -force_cpusubtype_ALL
3808 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3809 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3811 add_ldflags -Wl,-dynamic,-search_paths_first
3813 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3814 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3816 enabled x86_64 && objformat="macho64"
3817 enabled_any pic shared ||
3818 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3821 if test $target_os = "mingw32ce"; then
3827 if enabled x86_64; then
3828 LIBTARGET="i386:x86-64"
3829 elif enabled arm; then
3832 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3833 check_ldflags -Wl,--nxcompat
3834 check_ldflags -Wl,--dynamicbase
3835 shlibdir_default="$bindir_default"
3838 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3839 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3840 dlltool="${cross_prefix}dlltool"
3841 if check_cmd lib.exe -list; then
3842 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3843 if enabled x86_64; then
3846 elif check_cmd $dlltool --version; then
3847 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3849 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3851 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3852 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3853 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3860 if enabled shared; then
3861 # Link to the import library instead of the normal static library
3864 # Cannot build both shared and static libs with MSVC or icl.
3867 shlibdir_default="$bindir_default"
3870 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3871 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3872 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3873 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3875 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3876 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3877 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3884 shlibdir_default="$bindir_default"
3887 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3888 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3889 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3891 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3892 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3895 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3897 *-dos|freedos|opendos)
3898 network_extralibs="-lsocket"
3901 add_cppflags -U__STRICT_ANSI__
3908 ranlib="echo ignoring ranlib"
3914 add_cppflags -D_GNU_SOURCE
3915 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3916 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3920 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3921 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3922 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3923 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3924 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3925 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3926 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3927 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3928 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3929 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3930 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3932 enable_weak os2threads
3935 add_cppflags -D_BSD_SOURCE
3940 add_cppflags -D_QNX_SOURCE
3941 network_extralibs="-lsocket"
3946 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3947 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3948 add_ldflags -Wl,--target1-abs,--no-undefined \
3949 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3950 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3951 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3952 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3953 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3956 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3961 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3962 -D_REENTRANT_SOURCE \
3963 -D_RESEARCH_SOURCE \
3966 add_compat strtod.o strtod=avpriv_strtod
3967 network_extralibs='-lbsd'
3968 exeobjs=compat/plan9/main.o
3975 die "Unknown OS '$target_os'."
3979 # determine libc flavour
3984 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3985 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3986 eval ${pfx}libc_type=uclibc
3987 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3988 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3989 eval ${pfx}libc_type=glibc
3990 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3991 # MinGW headers can be installed on Cygwin, so check for newlib first.
3992 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3993 eval ${pfx}libc_type=newlib
3994 add_${pfx}cppflags -U__STRICT_ANSI__
3995 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3996 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3997 eval ${pfx}libc_type=mingw64
3998 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
3999 add_compat msvcrt/snprintf.o
4000 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4002 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4003 eval test \$${pfx_no_}cc_type = "gcc" &&
4004 add_${pfx}cppflags -D__printf__=__gnu_printf__
4005 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4006 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4007 eval ${pfx}libc_type=mingw32
4008 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4009 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4010 die "ERROR: MinGW32 runtime version must be >= 3.15."
4011 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4012 eval test \$${pfx_no_}cc_type = "gcc" &&
4013 add_${pfx}cppflags -D__printf__=__gnu_printf__
4014 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4015 eval ${pfx}libc_type=msvcrt
4016 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4017 # 0x601 by default unless something else is set by the user.
4018 # This can easily lead to us detecting functions only present
4019 # in such new versions and producing binaries requiring windows 7.0.
4020 # Therefore explicitly set the default to XP unless the user has
4021 # set something else on the command line.
4022 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4023 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4024 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4025 eval ${pfx}libc_type=klibc
4026 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4027 eval ${pfx}libc_type=bionic
4028 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4029 eval ${pfx}libc_type=solaris
4030 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4035 test -n "$libc_type" && enable libc_$libc_type
4037 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4041 add_compat strtod.o strtod=avpriv_strtod
4044 add_compat strtod.o strtod=avpriv_strtod
4045 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4046 _snprintf=avpriv_snprintf \
4047 vsnprintf=avpriv_vsnprintf
4051 # hacks for compiler/libc/os combinations
4053 if enabled_all tms470 libc_glibc; then
4054 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4055 add_cppflags -D__USER_LABEL_PREFIX__=
4056 add_cppflags -D__builtin_memset=memset
4057 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4058 add_cflags -pds=48 # incompatible redefinition of macro
4061 if enabled_all ccc libc_glibc; then
4062 add_ldflags -Wl,-z,now # calls to libots crash without this
4065 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4066 add_cppflags '-I\$(SRC_PATH)/compat/float'
4069 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4072 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4074 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4076 set_default $PATHS_LIST
4079 # we need to build at least one lib type
4080 if ! enabled_any static shared; then
4082 At least one library type must be built.
4083 Specify --enable-static to build the static libraries or --enable-shared to
4084 build the shared libraries as well. To only build the shared libraries specify
4085 --disable-static in addition to --enable-shared.
4090 # backward compatibility layer for incompatible_libav/fork_abi
4091 enabled incompatible_fork_abi && enable incompatible_libav_abi
4092 enabled incompatible_libav_abi && enable incompatible_fork_abi
4094 die_license_disabled() {
4095 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4098 die_license_disabled_gpl() {
4099 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4102 die_license_disabled gpl frei0r
4103 die_license_disabled gpl libcdio
4104 die_license_disabled gpl libutvideo
4105 die_license_disabled gpl libvidstab
4106 die_license_disabled gpl libx264
4107 die_license_disabled gpl libx265
4108 die_license_disabled gpl libxavs
4109 die_license_disabled gpl libxvid
4110 die_license_disabled gpl libzvbi
4111 die_license_disabled gpl x11grab
4113 die_license_disabled nonfree libaacplus
4114 die_license_disabled nonfree libfaac
4115 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4116 enabled gpl && die_license_disabled_gpl nonfree openssl
4118 die_license_disabled version3 libopencore_amrnb
4119 die_license_disabled version3 libopencore_amrwb
4120 die_license_disabled version3 libvo_aacenc
4121 die_license_disabled version3 libvo_amrwbenc
4123 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4125 disabled optimizations || check_cflags -fomit-frame-pointer
4128 disabled pic && return
4131 case "$target_os" in
4141 enabled pic && enable_weak_pic
4143 check_cc <<EOF || die "Symbol mangling check failed."
4146 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4147 extern_prefix=${sym%%ff_extern*}
4149 check_cc <<EOF && enable_weak inline_asm
4150 void foo(void) { __asm__ volatile ("" ::); }
4154 for restrict_keyword in restrict __restrict__ __restrict; do
4155 check_cc <<EOF && _restrict=$restrict_keyword && break
4156 void foo(char * $restrict_keyword p);
4160 check_cc <<EOF && enable pragma_deprecated
4161 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4164 check_cc <<EOF && enable attribute_packed
4165 struct { int x; } __attribute__((packed)) x;
4168 check_cc <<EOF && enable attribute_may_alias
4169 union { int x; } __attribute__((may_alias)) x;
4172 check_cc <<EOF || die "endian test failed"
4173 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4175 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4177 check_inline_asm inline_asm_labels '"1:\n"'
4179 if enabled aarch64; then
4180 # internal assembler in clang 3.3 does not support this instruction
4181 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4182 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4184 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4186 elif enabled alpha; then
4190 elif enabled arm; then
4192 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4193 float func(float a, float b){ return a+b; }
4196 enabled thumb && check_cflags -mthumb || check_cflags -marm
4199 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4201 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4202 case "${cross_prefix:-$cc}" in
4203 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4204 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4205 __asm__ (".eabi_attribute 28, 1");
4206 int main(void) { return 0; }
4209 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4212 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4213 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4214 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4215 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4216 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4217 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4219 [ $target_os = linux ] ||
4220 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4223 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4225 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4227 elif enabled mips; then
4229 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4230 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
4231 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
4232 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4233 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4234 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4235 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4236 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4237 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4239 elif enabled parisc; then
4241 if enabled gcc; then
4242 case $($cc -dumpversion) in
4243 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4247 elif enabled ppc; then
4249 enable local_aligned_8 local_aligned_16
4251 [ $cpu != e500 -a $cpu != e500v2 ] &&
4252 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4253 check_inline_asm ibm_asm '"add 0, 0, 0"'
4254 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4255 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4257 # AltiVec flags: The FSF version of GCC differs from the Apple version
4258 if enabled altivec; then
4259 if ! enabled_any pic ppc64; then
4262 check_cflags -maltivec -mabi=altivec &&
4263 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4264 check_cflags -faltivec
4266 # check if our compiler supports Motorola AltiVec C API
4267 check_cc <<EOF || disable altivec
4270 vector signed int v1 = (vector signed int) { 0 };
4271 vector signed int v2 = (vector signed int) { 1 };
4272 v1 = vec_add(v1, v2);
4277 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4280 elif enabled x86; then
4282 check_builtin rdtsc intrin.h "__rdtsc()"
4283 check_builtin mm_empty mmintrin.h "_mm_empty()"
4285 enable local_aligned_8 local_aligned_16
4287 # check whether EBP is available on x86
4288 # As 'i' is stored on the stack, this program will crash
4289 # if the base pointer is used to access it because the
4290 # base pointer is cleared in the inline assembly code.
4291 check_exec_crash <<EOF && enable ebp_available
4293 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4297 # check whether EBX is available on x86
4298 check_inline_asm ebx_available '""::"b"(0)' &&
4299 check_inline_asm ebx_available '"":::"%ebx"'
4301 # check whether xmm clobbers are supported
4302 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4304 # check whether binutils is new enough to compile SSSE3/MMXEXT
4305 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4306 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4308 if ! disabled_any asm mmx yasm; then
4309 if check_cmd $yasmexe --version; then
4310 enabled x86_64 && yasm_extra="-m amd64"
4311 yasm_debug="-g dwarf2"
4312 elif check_cmd nasm -v; then
4314 yasm_debug="-g -F dwarf"
4315 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4318 YASMFLAGS="-f $objformat $yasm_extra"
4319 enabled pic && append YASMFLAGS "-DPIC"
4320 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4321 case "$objformat" in
4322 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4325 check_yasm "movbe ecx, [5]" && enable yasm ||
4326 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4327 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4328 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4329 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4330 check_yasm "vfmadd132ps ymm0, ymm1, ymm2" || disable fma3_external
4331 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4332 check_yasm "CPU amdnop" || disable cpunop
4336 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4343 if enabled asm; then
4345 check_as <<EOF && enable gnu_as || \
4346 $nogas "GNU assembler not found, install gas-preprocessor"
4354 check_ldflags -Wl,--as-needed
4356 if check_func dlopen; then
4358 elif check_func dlopen -ldl; then
4362 if ! disabled network; then
4363 check_func getaddrinfo $network_extralibs
4364 check_func getservbyport $network_extralibs
4365 check_func inet_aton $network_extralibs
4367 check_type netdb.h "struct addrinfo"
4368 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4369 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4370 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4371 check_type poll.h "struct pollfd"
4372 check_type netinet/sctp.h "struct sctp_event_subscribe"
4373 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4374 check_type netinet/in.h "struct sockaddr_in6"
4375 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4376 check_type "sys/types.h sys/socket.h" socklen_t
4378 # Prefer arpa/inet.h over winsock2
4379 if check_header arpa/inet.h ; then
4380 check_func closesocket
4381 elif check_header winsock2.h ; then
4382 check_func_headers winsock2.h closesocket -lws2 &&
4383 network_extralibs="-lws2" ||
4384 { check_func_headers winsock2.h closesocket -lws2_32 &&
4385 network_extralibs="-lws2_32"; } || disable winsock2_h network
4386 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4388 check_type ws2tcpip.h socklen_t
4389 check_type ws2tcpip.h "struct addrinfo"
4390 check_type ws2tcpip.h "struct group_source_req"
4391 check_type ws2tcpip.h "struct ip_mreq_source"
4392 check_type ws2tcpip.h "struct ipv6_mreq"
4393 check_type winsock2.h "struct pollfd"
4394 check_struct winsock2.h "struct sockaddr" sa_len
4395 check_type ws2tcpip.h "struct sockaddr_in6"
4396 check_type ws2tcpip.h "struct sockaddr_storage"
4402 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4403 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4404 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4405 check_builtin sarestart signal.h "SA_RESTART"
4406 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4408 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4409 check_func ${malloc_prefix}memalign && enable memalign
4410 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4413 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4416 check_func gethrtime
4418 check_func getrusage
4419 check_func gettimeofday
4421 check_func localtime_r
4422 check_func mach_absolute_time
4426 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4427 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4428 check_func sched_getaffinity
4429 check_func setrlimit
4430 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4431 check_func strerror_r
4436 check_func_headers conio.h kbhit
4437 check_func_headers io.h setmode
4438 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4439 check_func_headers stdlib.h getenv
4441 check_func_headers windows.h GetProcessAffinityMask
4442 check_func_headers windows.h GetProcessTimes
4443 check_func_headers windows.h GetSystemTimeAsFileTime
4444 check_func_headers windows.h MapViewOfFile
4445 check_func_headers windows.h PeekNamedPipe
4446 check_func_headers windows.h SetConsoleTextAttribute
4447 check_func_headers windows.h Sleep
4448 check_func_headers windows.h VirtualAlloc
4449 check_func_headers glob.h glob
4451 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4453 check_header cl/cl.h
4454 check_header direct.h
4455 check_header dlfcn.h
4457 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4459 check_header libcrystalhd/libcrystalhd_if.h
4460 check_header mach/mach_time.h
4461 check_header malloc.h
4463 check_header sys/mman.h
4464 check_header sys/param.h
4465 check_header sys/resource.h
4466 check_header sys/select.h
4467 check_header sys/time.h
4468 check_header sys/un.h
4469 check_header termios.h
4470 check_header unistd.h
4471 check_header vdpau/vdpau.h
4472 check_header vdpau/vdpau_x11.h
4473 check_header VideoDecodeAcceleration/VDADecoder.h
4474 check_header windows.h
4475 check_header X11/extensions/XvMClib.h
4476 check_header asm/types.h
4478 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4479 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4480 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4482 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4484 if ! disabled w32threads && ! enabled pthreads; then
4485 check_func_headers "windows.h process.h" _beginthreadex &&
4486 enable w32threads || disable w32threads
4489 # check for some common methods of building with pthread support
4490 # do this before the optional library checks as some of them require pthreads
4491 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4493 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4495 add_extralibs -pthread
4496 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4497 add_cflags -pthreads
4498 add_extralibs -pthreads
4499 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4500 add_extralibs -lpthreadGC2
4501 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4503 elif ! check_func pthread_join && ! check_func pthread_create; then
4506 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
4510 if enabled pthreads; then
4511 check_func pthread_cancel
4514 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4515 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4517 check_lib math.h sin -lm && LIBM="-lm"
4518 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4524 for func in $MATH_FUNCS; do
4525 eval check_mathfunc $func \${${func}_args:-1}
4528 # these are off by default, so fail if requested and not available
4529 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4530 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4531 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4532 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
4533 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4534 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4535 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4536 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4537 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4538 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4539 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4540 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
4541 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4542 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4543 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4544 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4545 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4546 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4547 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"
4548 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4549 enabled libfreetype && require_libfreetype
4550 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4551 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4552 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4553 done || die "ERROR: libgsm not found"; }
4554 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4555 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4556 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4557 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4558 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4559 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4560 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4561 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4562 check_lib openjpeg.h opj_version -lopenjpeg ||
4563 die "ERROR: libopenjpeg not found"; }
4564 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4565 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4566 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4567 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4568 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4569 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4570 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4571 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4572 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4573 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4574 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4575 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4576 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4577 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4578 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4579 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4580 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4581 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4582 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
4583 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4584 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4585 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4587 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4588 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4589 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 ||
4590 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4591 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4592 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; } }
4593 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4594 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4595 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4596 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4597 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4598 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
4599 { check_cpp_condition x265.h "X265_BUILD >= 9" ||
4600 die "ERROR: libx265 version must be >= 9."; }
4601 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4602 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4603 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4604 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4605 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4606 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4607 die "ERROR: openal not found"; } &&
4608 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4609 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4610 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4611 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4612 die "ERROR: opencl not found"; } &&
4613 { ! enabled_any w32threads os2threads ||
4614 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4615 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4616 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4617 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4618 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
4619 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
4620 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
4621 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
4622 die "ERROR: opengl not found."
4624 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4625 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4626 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4627 die "ERROR: openssl not found"; }
4629 if enabled gnutls; then
4630 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4631 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4635 if enabled libdc1394; then
4636 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4637 enable libdc1394_2; } ||
4638 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4639 enable libdc1394_1; } ||
4640 die "ERROR: No version of libdc1394 found "
4643 SDL_CONFIG="${cross_prefix}sdl-config"
4644 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4645 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4646 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4649 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4650 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4651 sdl_libs=$("${SDL_CONFIG}" --libs)
4652 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4653 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4654 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4658 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4660 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4661 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4662 perl -v > /dev/null 2>&1 && enable perl || disable perl
4663 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4664 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4666 check_header linux/fb.h
4667 check_header linux/videodev.h
4668 check_header linux/videodev2.h
4669 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4671 check_header sys/videoio.h
4673 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4674 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4675 # w32api 3.12 had it defined wrong
4676 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4678 check_type "dshow.h" IBaseFilter
4680 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4681 { check_header dev/bktr/ioctl_meteor.h &&
4682 check_header dev/bktr/ioctl_bt848.h; } ||
4683 { check_header machine/ioctl_meteor.h &&
4684 check_header machine/ioctl_bt848.h; } ||
4685 { check_header dev/video/meteor/ioctl_meteor.h &&
4686 check_header dev/video/bktr/ioctl_bt848.h; } ||
4687 check_header dev/ic/bt8xx.h
4689 check_header sndio.h
4690 if check_struct sys/soundcard.h audio_buf_info bytes; then
4691 enable_safe sys/soundcard.h
4693 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4694 #include <sys/soundcard.h>
4698 check_header soundcard.h
4700 enabled_any alsa_indev alsa_outdev &&
4701 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4703 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4704 check_func jack_port_get_latency_range -ljack
4706 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4708 if enabled libcdio; then
4709 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4710 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4711 die "ERROR: libcdio-paranoia not found"
4715 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
4718 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4719 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
4720 { enabled xlib || die "ERROR: Xlib not found"; }
4723 check_lib va/va.h vaInitialize -lva ||
4727 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4730 enabled vdpau && enabled xlib &&
4731 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4732 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
4735 # Funny iconv installations are not unusual, so check it after all flags have been set
4736 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4738 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4740 # add some useful compiler flags if supported
4741 check_cflags -Wdeclaration-after-statement
4743 check_cflags -Wdisabled-optimization
4744 check_cflags -Wpointer-arith
4745 check_cflags -Wredundant-decls
4746 check_cflags -Wwrite-strings
4747 check_cflags -Wtype-limits
4748 check_cflags -Wundef
4749 check_cflags -Wmissing-prototypes
4750 check_cflags -Wno-pointer-to-int-cast
4751 check_cflags -Wstrict-prototypes
4752 enabled extra_warnings && check_cflags -Winline
4754 check_disable_warning(){
4755 warning_flag=-W${1#-Wno-}
4756 test_cflags $warning_flag && add_cflags $1
4759 check_disable_warning -Wno-parentheses
4760 check_disable_warning -Wno-switch
4761 check_disable_warning -Wno-format-zero-length
4762 check_disable_warning -Wno-pointer-sign
4764 # add some linker flags
4765 check_ldflags -Wl,--warn-common
4766 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4767 enabled rpath && add_ldflags -Wl,-rpath=$libdir
4768 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4770 # add some strip flags
4771 # -wN '..@*' is more selective than -x, but not available everywhere.
4772 check_stripflags -wN \'..@*\' || check_stripflags -x
4774 enabled neon_clobber_test &&
4775 check_ldflags -Wl,--wrap,avcodec_open2 \
4776 -Wl,--wrap,avcodec_decode_audio4 \
4777 -Wl,--wrap,avcodec_decode_video2 \
4778 -Wl,--wrap,avcodec_decode_subtitle2 \
4779 -Wl,--wrap,avcodec_encode_audio2 \
4780 -Wl,--wrap,avcodec_encode_video2 \
4781 -Wl,--wrap,avcodec_encode_subtitle \
4782 -Wl,--wrap,swr_convert \
4783 -Wl,--wrap,avresample_convert ||
4784 disable neon_clobber_test
4786 enabled xmm_clobber_test &&
4787 check_ldflags -Wl,--wrap,avcodec_open2 \
4788 -Wl,--wrap,avcodec_decode_audio4 \
4789 -Wl,--wrap,avcodec_decode_video2 \
4790 -Wl,--wrap,avcodec_decode_subtitle2 \
4791 -Wl,--wrap,avcodec_encode_audio2 \
4792 -Wl,--wrap,avcodec_encode_video \
4793 -Wl,--wrap,avcodec_encode_video2 \
4794 -Wl,--wrap,avcodec_encode_subtitle \
4795 -Wl,--wrap,swr_convert \
4796 -Wl,--wrap,avresample_convert \
4797 -Wl,--wrap,sws_scale ||
4798 disable xmm_clobber_test
4801 if test_ldflags -Wl,--version-script,$TMPV; then
4802 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4803 check_cc <<EOF && enable symver_asm_label
4804 void ff_foo(void) __asm__ ("av_foo@VERSION");
4805 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4807 check_cc <<EOF && enable symver_gnu_asm
4808 __asm__(".symver ff_foo,av_foo@VERSION");
4809 void ff_foo(void) {}
4813 if [ -z "$optflags" ]; then
4814 if enabled small; then
4815 optflags=$cflags_size
4816 elif enabled optimizations; then
4817 optflags=$cflags_speed
4819 optflags=$cflags_noopt
4825 enabled lto && check_ldflags "$@"
4829 if enabled lto; then
4830 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4832 check_ldflags -flto $cpuflags
4835 check_optflags $optflags
4836 check_optflags -fno-math-errno
4837 check_optflags -fno-signed-zeros
4839 enabled ftrapv && check_cflags -ftrapv
4841 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4846 if enabled icc; then
4847 # Just warnings, no remarks
4849 # -wd: Disable following warnings
4850 # 144, 167, 556: -Wno-pointer-sign
4851 # 188: enumerated type mixed with another type
4852 # 1292: attribute "foo" ignored
4853 # 1419: external declaration in primary source file
4854 # 10006: ignoring unknown option -fno-signed-zeros
4855 # 10148: ignoring unknown option -Wno-parentheses
4856 # 10156: ignoring option '-W'; no argument required
4857 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4858 # 11030: Warning unknown option --as-needed
4859 # 10156: ignoring option '-export'; no argument required
4860 check_ldflags -wd10156,11030
4861 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4862 enable ebp_available
4863 if enabled x86_32; then
4864 icc_version=$($cc -dumpversion)
4865 test ${icc_version%%.*} -ge 11 &&
4866 check_cflags -falign-stack=maintain-16-byte ||
4867 disable aligned_stack
4869 elif enabled ccc; then
4870 # disable some annoying warnings
4871 add_cflags -msg_disable bitnotint
4872 add_cflags -msg_disable mixfuncvoid
4873 add_cflags -msg_disable nonstandcast
4874 add_cflags -msg_disable unsupieee
4875 elif enabled gcc; then
4876 check_optflags -fno-tree-vectorize
4877 check_cflags -Werror=implicit-function-declaration
4878 check_cflags -Werror=missing-prototypes
4879 check_cflags -Werror=return-type
4880 check_cflags -Werror=vla
4881 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4882 elif enabled llvm_gcc; then
4883 check_cflags -mllvm -stack-alignment=16
4884 elif enabled clang; then
4885 check_cflags -mllvm -stack-alignment=16
4886 check_cflags -Qunused-arguments
4887 check_cflags -Werror=implicit-function-declaration
4888 check_cflags -Werror=missing-prototypes
4889 check_cflags -Werror=return-type
4890 elif enabled cparser; then
4891 add_cflags -Wno-missing-variable-declarations
4892 add_cflags -Wno-empty-statement
4893 elif enabled armcc; then
4894 # 2523: use of inline assembler is deprecated
4895 add_cflags -W${armcc_opt},--diag_suppress=2523
4896 add_cflags -W${armcc_opt},--diag_suppress=1207
4897 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4898 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4899 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4900 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4901 elif enabled tms470; then
4902 add_cflags -pds=824 -pds=837
4904 elif enabled pathscale; then
4905 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4906 elif enabled_any msvc icl; then
4907 enabled x86_32 && disable aligned_stack
4908 enabled_all x86_32 debug && add_cflags -Oy-
4909 enabled debug && add_ldflags -debug
4910 enable pragma_deprecated
4911 if enabled icl; then
4912 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4913 # (correctly) on icl 13.x.
4914 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4915 add_cflags -Qansi-alias
4916 # icl will pass the inline asm tests but inline asm is currently
4917 # not supported (build will fail)
4918 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
4925 add_asflags -Qunused-arguments
4931 check_ldflags -Qunused-arguments
4937 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4940 add_cppflags -Dmain=plan9_main
4944 enable frame_thread_encoder
4946 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4948 check_deps $CONFIG_LIST \
4953 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"
4956 if test $target_os = "haiku"; then
4958 disable posix_memalign
4961 ! enabled_any memalign posix_memalign aligned_malloc &&
4962 enabled_any $need_memalign && enable memalign_hack
4965 # -> enable ${lib}_deps_${dep}
4966 # -> add $dep to ${lib}_deps only once
4970 enabled "${lib}_deps_${dep}" && return 0
4971 enable "${lib}_deps_${dep}"
4972 prepend "${lib}_deps" $dep
4975 # merge deps lib components
4976 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4981 enabled $comp || continue
4982 eval "dep=\"\$${comp}_deps\""
4989 merge_deps libavfilter $FILTER_LIST
4991 for thread in $THREADS_LIST; do
4992 if enabled $thread; then
4993 test -n "$thread_type" &&
4994 die "ERROR: Only one thread type must be selected." ||
4995 thread_type="$thread"
4999 echo "install prefix $prefix"
5000 echo "source path $source_path"
5001 echo "C compiler $cc"
5002 echo "C library $libc_type"
5003 if test "$host_cc" != "$cc"; then
5004 echo "host C compiler $host_cc"
5005 echo "host C library $host_libc_type"
5007 echo "ARCH $arch ($cpu)"
5008 if test "$build_suffix" != ""; then
5009 echo "build suffix $build_suffix"
5011 if test "$progs_suffix" != ""; then
5012 echo "progs suffix $progs_suffix"
5014 if test "$extra_version" != ""; then
5015 echo "version string suffix $extra_version"
5017 echo "big-endian ${bigendian-no}"
5018 echo "runtime cpu detection ${runtime_cpudetect-no}"
5019 if enabled x86; then
5020 echo "${yasmexe} ${yasm-no}"
5021 echo "MMX enabled ${mmx-no}"
5022 echo "MMXEXT enabled ${mmxext-no}"
5023 echo "3DNow! enabled ${amd3dnow-no}"
5024 echo "3DNow! extended enabled ${amd3dnowext-no}"
5025 echo "SSE enabled ${sse-no}"
5026 echo "SSSE3 enabled ${ssse3-no}"
5027 echo "AVX enabled ${avx-no}"
5028 echo "XOP enabled ${xop-no}"
5029 echo "FMA3 enabled ${fma3-no}"
5030 echo "FMA4 enabled ${fma4-no}"
5031 echo "i686 features enabled ${i686-no}"
5032 echo "CMOV is fast ${fast_cmov-no}"
5033 echo "EBX available ${ebx_available-no}"
5034 echo "EBP available ${ebp_available-no}"
5036 if enabled aarch64; then
5037 echo "NEON enabled ${neon-no}"
5038 echo "VFP enabled ${vfp-no}"
5040 if enabled arm; then
5041 echo "ARMv5TE enabled ${armv5te-no}"
5042 echo "ARMv6 enabled ${armv6-no}"
5043 echo "ARMv6T2 enabled ${armv6t2-no}"
5044 echo "VFP enabled ${vfp-no}"
5045 echo "NEON enabled ${neon-no}"
5046 echo "THUMB enabled ${thumb-no}"
5048 if enabled mips; then
5049 echo "MIPS FPU enabled ${mipsfpu-no}"
5050 echo "MIPS32R2 enabled ${mips32r2-no}"
5051 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5052 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5054 if enabled ppc; then
5055 echo "AltiVec enabled ${altivec-no}"
5056 echo "PPC 4xx optimizations ${ppc4xx-no}"
5057 echo "dcbzl available ${dcbzl-no}"
5059 echo "debug symbols ${debug-no}"
5060 echo "strip symbols ${stripping-no}"
5061 echo "optimize for size ${small-no}"
5062 echo "optimizations ${optimizations-no}"
5063 echo "static ${static-no}"
5064 echo "shared ${shared-no}"
5065 echo "postprocessing support ${postproc-no}"
5066 echo "new filter support ${avfilter-no}"
5067 echo "network support ${network-no}"
5068 echo "threading support ${thread_type-no}"
5069 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5070 echo "SDL support ${sdl-no}"
5071 echo "opencl enabled ${opencl-no}"
5072 echo "libzvbi enabled ${libzvbi-no}"
5073 echo "texi2html enabled ${texi2html-no}"
5074 echo "perl enabled ${perl-no}"
5075 echo "pod2man enabled ${pod2man-no}"
5076 echo "makeinfo enabled ${makeinfo-no}"
5077 test -n "$random_seed" &&
5078 echo "random seed ${random_seed}"
5081 echo "External libraries:"
5082 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5085 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5086 echo "Enabled ${type}s:"
5087 eval list=\$$(toupper $type)_LIST
5088 print_enabled '_*' $list | print_3_columns
5092 license="LGPL version 2.1 or later"
5093 if enabled nonfree; then
5094 license="nonfree and unredistributable"
5095 elif enabled gplv3; then
5096 license="GPL version 3 or later"
5097 elif enabled lgplv3; then
5098 license="LGPL version 3 or later"
5099 elif enabled gpl; then
5100 license="GPL version 2 or later"
5103 echo "License: $license"
5105 echo "Creating config.mak, config.h, and doc/config.texi..."
5107 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5109 enabled stripping || strip="echo skipping strip"
5111 config_files="$TMPH config.mak doc/config.texi"
5113 cat > config.mak <<EOF
5114 # Automatically generated by configure - do not modify!
5115 ifndef FFMPEG_CONFIG_MAK
5117 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5119 LIBDIR=\$(DESTDIR)$libdir
5120 SHLIBDIR=\$(DESTDIR)$shlibdir
5121 INCDIR=\$(DESTDIR)$incdir
5122 BINDIR=\$(DESTDIR)$bindir
5123 DATADIR=\$(DESTDIR)$datadir
5124 DOCDIR=\$(DESTDIR)$docdir
5125 MANDIR=\$(DESTDIR)$mandir
5126 SRC_PATH=$source_path
5127 ifndef MAIN_MAKEFILE
5128 SRC_PATH:=\$(SRC_PATH:.%=..%)
5137 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5139 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5167 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5168 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5169 YASMFLAGS=$YASMFLAGS
5170 BUILDSUF=$build_suffix
5171 PROGSSUF=$progs_suffix
5179 EXTRA_VERSION=$extra_version
5182 CCDEP_FLAGS=$CCDEP_FLAGS
5184 ASDEP_FLAGS=$ASDEP_FLAGS
5185 CC_DEPFLAGS=$CC_DEPFLAGS
5186 AS_DEPFLAGS=$AS_DEPFLAGS
5189 HOSTCFLAGS=$host_cflags
5190 HOSTCPPFLAGS=$host_cppflags
5191 HOSTEXESUF=$HOSTEXESUF
5192 HOSTLDFLAGS=$host_ldflags
5195 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5196 HOSTCCDEP=$HOSTCCDEP
5197 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5198 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5202 TARGET_EXEC=$target_exec $target_exec_args
5203 TARGET_PATH=$target_path
5204 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5205 CFLAGS-ffplay=$sdl_cflags
5206 ZLIB=$($ldflags_filter -lz)
5207 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5208 EXTRALIBS=$extralibs
5209 COMPAT_OBJS=$compat_objs
5212 LIBTARGET=${LIBTARGET}
5213 SLIBNAME=${SLIBNAME}
5214 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5215 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5216 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5217 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5218 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5219 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5220 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5221 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5222 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5223 NOREDZONE_FLAGS=$noredzone_flags
5228 name=$(toupper $lcname)
5229 file=$source_path/$lcname/version.h
5230 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5231 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5232 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5233 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5234 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5235 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5238 map 'get_version $v' $LIBRARY_LIST
5240 print_program_libs(){
5241 eval "program_libs=\$${1}_libs"
5242 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5245 map 'print_program_libs $v' $PROGRAM_LIST
5248 /* Automatically generated by configure - do not modify! */
5249 #ifndef FFMPEG_CONFIG_H
5250 #define FFMPEG_CONFIG_H
5251 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5252 #define FFMPEG_LICENSE "$(c_escape $license)"
5253 #define CONFIG_THIS_YEAR 2014
5254 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5255 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5256 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5257 #define av_restrict $_restrict
5258 #define EXTERN_PREFIX "${extern_prefix}"
5259 #define EXTERN_ASM ${extern_prefix}
5260 #define BUILDSUF "$build_suffix"
5261 #define SLIBSUF "$SLIBSUF"
5262 #define HAVE_MMX2 HAVE_MMXEXT
5265 test -n "$assert_level" &&
5266 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5268 test -n "$malloc_prefix" &&
5269 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5271 if enabled yasm; then
5272 append config_files $TMPASM
5276 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5280 echo "@c auto-generated by configure" > doc/config.texi
5282 print_config ARCH_ "$config_files" $ARCH_LIST
5283 print_config HAVE_ "$config_files" $HAVE_LIST
5284 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5288 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5289 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5291 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5292 cp_if_changed $TMPH config.h
5295 enabled yasm && cp_if_changed $TMPASM config.asm
5298 /* Generated by ffconf */
5299 #ifndef AVUTIL_AVCONFIG_H
5300 #define AVUTIL_AVCONFIG_H
5303 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5305 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5307 cp_if_changed $TMPH libavutil/avconfig.h
5309 if test -n "$WARNINGS"; then
5310 printf "\n$WARNINGS"
5311 enabled fatal_warnings && exit 1
5314 # build pkg-config files
5316 pkgconfig_generate(){
5318 shortname=${name#lib}${build_suffix}
5323 enabled ${name#lib} || return 0
5325 cat <<EOF > $name/$name${build_suffix}.pc
5327 exec_prefix=\${prefix}
5332 Description: $comment
5334 Requires: $(enabled shared || echo $requires)
5335 Requires.private: $(enabled shared && echo $requires)
5337 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5338 Libs.private: $(enabled shared && echo $libs)
5339 Cflags: -I\${includedir}
5342 mkdir -p doc/examples/pc-uninstalled
5343 includedir=${source_path}
5344 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5345 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5348 libdir=\${pcfiledir}/../../../$name
5349 includedir=${includedir}
5352 Description: $comment
5356 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5357 Cflags: -I\${includedir}
5361 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5362 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
5363 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
5364 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
5365 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
5366 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
5367 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
5368 lavfi_libs=${lavfi_libs%, }
5370 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
5371 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
5373 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5374 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5375 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
5376 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
5377 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
5378 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5379 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5380 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5381 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"