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
92 use rpath when linking programs [USE WITH CARE]
95 --enable-gpl allow use of GPL code, the resulting libs
96 and binaries will be under GPL [no]
97 --enable-version3 upgrade (L)GPL to version 3 [no]
98 --enable-nonfree allow use of nonfree code, the resulting libs
99 and binaries will be unredistributable [no]
101 Configuration options:
102 --disable-static do not build static libraries [no]
103 --enable-shared build shared libraries [no]
104 --enable-small optimize for size instead of speed
105 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
106 --enable-gray enable full grayscale support (slower color)
107 --disable-swscale-alpha disable alpha channel support in swscale
108 --disable-all disable building components, libraries and programs
109 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [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
148 --disable-faan disable floating point AAN (I)DCT code
149 --disable-pixelutils disable pixel utils in libavutil
151 Hardware accelerators:
152 --disable-dxva2 disable DXVA2 code [autodetect]
153 --disable-vaapi disable VAAPI code [autodetect]
154 --disable-vda disable VDA code [autodetect]
155 --disable-vdpau disable VDPAU code [autodetect]
157 Individual component options:
158 --disable-everything disable all components listed below
159 --disable-encoder=NAME disable encoder NAME
160 --enable-encoder=NAME enable encoder NAME
161 --disable-encoders disable all encoders
162 --disable-decoder=NAME disable decoder NAME
163 --enable-decoder=NAME enable decoder NAME
164 --disable-decoders disable all decoders
165 --disable-hwaccel=NAME disable hwaccel NAME
166 --enable-hwaccel=NAME enable hwaccel NAME
167 --disable-hwaccels disable all hwaccels
168 --disable-muxer=NAME disable muxer NAME
169 --enable-muxer=NAME enable muxer NAME
170 --disable-muxers disable all muxers
171 --disable-demuxer=NAME disable demuxer NAME
172 --enable-demuxer=NAME enable demuxer NAME
173 --disable-demuxers disable all demuxers
174 --enable-parser=NAME enable parser NAME
175 --disable-parser=NAME disable parser NAME
176 --disable-parsers disable all parsers
177 --enable-bsf=NAME enable bitstream filter NAME
178 --disable-bsf=NAME disable bitstream filter NAME
179 --disable-bsfs disable all bitstream filters
180 --enable-protocol=NAME enable protocol NAME
181 --disable-protocol=NAME disable protocol NAME
182 --disable-protocols disable all protocols
183 --enable-indev=NAME enable input device NAME
184 --disable-indev=NAME disable input device NAME
185 --disable-indevs disable input devices
186 --enable-outdev=NAME enable output device NAME
187 --disable-outdev=NAME disable output device NAME
188 --disable-outdevs disable output devices
189 --disable-devices disable all devices
190 --enable-filter=NAME enable filter NAME
191 --disable-filter=NAME disable filter NAME
192 --disable-filters disable all filters
194 External library support:
195 --enable-avisynth enable reading of AviSynth script files [no]
196 --disable-bzlib disable bzlib [autodetect]
197 --enable-fontconfig enable fontconfig
198 --enable-frei0r enable frei0r video filtering
199 --enable-gnutls enable gnutls [no]
200 --disable-iconv disable iconv [autodetect]
201 --enable-ladspa enable LADSPA audio filtering
202 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
203 --enable-libass enable libass subtitles rendering [no]
204 --enable-libbluray enable BluRay reading using libbluray [no]
205 --enable-libbs2b enable bs2b DSP library [no]
206 --enable-libcaca enable textual display using libcaca
207 --enable-libcelt enable CELT decoding via libcelt [no]
208 --enable-libcdio enable audio CD grabbing with libcdio
209 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
211 --enable-libfaac enable AAC encoding via libfaac [no]
212 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
213 --enable-libflite enable flite (voice synthesis) support via libflite [no]
214 --enable-libfreetype enable libfreetype [no]
215 --enable-libfribidi enable libfribidi [no]
216 --enable-libgme enable Game Music Emu via libgme [no]
217 --enable-libgsm enable GSM de/encoding via libgsm [no]
218 --enable-libiec61883 enable iec61883 via libiec61883 [no]
219 --enable-libilbc enable iLBC de/encoding via libilbc [no]
220 --enable-libmodplug enable ModPlug via libmodplug [no]
221 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
222 --enable-libnut enable NUT (de)muxing via libnut,
223 native (de)muxer exists [no]
224 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
225 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
226 --enable-libopencv enable video filtering via libopencv [no]
227 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
228 --enable-libopus enable Opus de/encoding via libopus [no]
229 --enable-libpulse enable Pulseaudio input via libpulse [no]
230 --enable-libquvi enable quvi input via libquvi [no]
231 --enable-librtmp enable RTMP[E] support via librtmp [no]
232 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
233 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
234 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
235 --enable-libsoxr enable Include libsoxr resampling [no]
236 --enable-libspeex enable Speex de/encoding via libspeex [no]
237 --enable-libssh enable SFTP protocol via libssh [no]
238 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
239 --enable-libtheora enable Theora encoding via libtheora [no]
240 --enable-libtwolame enable MP2 encoding via libtwolame [no]
241 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
242 --enable-libv4l2 enable libv4l2/v4l-utils [no]
243 --enable-libvidstab enable video stabilization using vid.stab [no]
244 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
245 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
246 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
247 native implementation exists [no]
248 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
249 --enable-libwavpack enable wavpack encoding via libwavpack [no]
250 --enable-libwebp enable WebP encoding via libwebp [no]
251 --enable-libx264 enable H.264 encoding via x264 [no]
252 --enable-libx265 enable HEVC encoding via x265 [no]
253 --enable-libxavs enable AVS encoding via xavs [no]
254 --enable-libxcb enable X11 grabbing using XCB [auto]
255 --enable-libxcb-shm enable X11 grabbing shm communication [auto]
256 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [auto]
257 --enable-libxcb-shape enable X11 grabbing shape rendering [auto]
258 --enable-libxvid enable Xvid encoding via xvidcore,
259 native MPEG-4/Xvid encoder exists [no]
260 --enable-libzmq enable message passing via libzmq [no]
261 --enable-libzvbi enable teletext support via libzvbi [no]
262 --disable-lzma disable lzma [autodetect]
263 --enable-decklink enable Blackmagick DeckLink I/O support [no]
264 --enable-openal enable OpenAL 1.1 capture support [no]
265 --enable-opencl enable OpenCL code
266 --enable-opengl enable OpenGL rendering [no]
267 --enable-openssl enable openssl [no]
268 --disable-sdl disable sdl [autodetect]
269 --enable-x11grab enable X11 grabbing (legacy) [no]
270 --disable-xlib disable xlib [autodetect]
271 --disable-zlib disable zlib [autodetect]
274 --arch=ARCH select architecture [$arch]
275 --cpu=CPU select the minimum required CPU (affects
276 instruction selection, may crash on older CPUs)
277 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
278 --progs-suffix=SUFFIX program name suffix []
279 --enable-cross-compile assume a cross-compiler is used
280 --sysroot=PATH root of cross-build tree
281 --sysinclude=PATH location of cross-build system headers
282 --target-os=OS compiler targets OS [$target_os]
283 --target-exec=CMD command to run executables on target
284 --target-path=DIR path to view of build directory on target
285 --target-samples=DIR path to samples directory on target
286 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
287 --toolchain=NAME set tool defaults according to NAME
288 --nm=NM use nm tool NM [$nm_default]
289 --ar=AR use archive tool AR [$ar_default]
290 --as=AS use assembler AS [$as_default]
291 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
292 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
293 --cc=CC use C compiler CC [$cc_default]
294 --cxx=CXX use C compiler CXX [$cxx_default]
295 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
296 --ld=LD use linker LD [$ld_default]
297 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
298 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
299 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
300 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
301 --host-cc=HOSTCC use host C compiler HOSTCC
302 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
303 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
304 --host-ld=HOSTLD use host linker HOSTLD
305 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
306 --host-libs=HLIBS use libs HLIBS when linking for host
307 --host-os=OS compiler host OS [$target_os]
308 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
309 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
310 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
311 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
312 --extra-libs=ELIBS add ELIBS [$ELIBS]
313 --extra-version=STRING version string suffix []
314 --optflags=OPTFLAGS override optimization-related compiler flags
315 --build-suffix=SUFFIX library name suffix []
316 --enable-pic build position-independent code
317 --enable-thumb compile for Thumb instruction set
318 --enable-lto use link-time optimization
320 Advanced options (experts only):
321 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
322 --disable-symver disable symbol versioning
323 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
324 --disable-safe-bitstream-reader
325 disable buffer boundary checking in bitreaders
326 (faster, but may crash)
327 --enable-memalign-hack emulate memalign, interferes with memory debuggers
328 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
330 Optimization options (experts only):
331 --disable-asm disable all assembly optimizations
332 --disable-altivec disable AltiVec optimizations
333 --disable-amd3dnow disable 3DNow! optimizations
334 --disable-amd3dnowext disable 3DNow! extended optimizations
335 --disable-mmx disable MMX optimizations
336 --disable-mmxext disable MMXEXT optimizations
337 --disable-sse disable SSE optimizations
338 --disable-sse2 disable SSE2 optimizations
339 --disable-sse3 disable SSE3 optimizations
340 --disable-ssse3 disable SSSE3 optimizations
341 --disable-sse4 disable SSE4 optimizations
342 --disable-sse42 disable SSE4.2 optimizations
343 --disable-avx disable AVX optimizations
344 --disable-xop disable XOP optimizations
345 --disable-fma3 disable FMA3 optimizations
346 --disable-fma4 disable FMA4 optimizations
347 --disable-avx2 disable AVX2 optimizations
348 --disable-armv5te disable armv5te optimizations
349 --disable-armv6 disable armv6 optimizations
350 --disable-armv6t2 disable armv6t2 optimizations
351 --disable-vfp disable VFP optimizations
352 --disable-neon disable NEON optimizations
353 --disable-inline-asm disable use of inline assembly
354 --disable-yasm disable use of nasm/yasm assembly
355 --disable-mips32r2 disable MIPS32R2 optimizations
356 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
357 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
358 --disable-mipsfpu disable floating point MIPS optimizations
359 --disable-fast-unaligned consider unaligned accesses slow
361 Developer options (useful when working on FFmpeg itself):
362 --disable-debug disable debugging symbols
363 --enable-debug=LEVEL set the debug level [$debuglevel]
364 --disable-optimizations disable compiler optimizations
365 --enable-extra-warnings enable more compiler warnings
366 --disable-stripping disable stripping of executables and shared libraries
367 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
368 2 causes a slowdown at runtime.
369 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
370 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
371 leaks and errors, using the specified valgrind binary.
372 Cannot be combined with --target-exec
373 --enable-ftrapv Trap arithmetic overflows
374 --samples=PATH location of test samples for FATE, if not set use
375 \$FATE_SAMPLES at make invocation time.
376 --enable-neon-clobber-test check NEON registers for clobbering (should be
377 used only for debugging purposes)
378 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
379 should be used only for debugging purposes)
380 --enable-random randomly enable/disable components
382 --enable-random=LIST randomly enable/disable specific components or
383 --disable-random=LIST component groups. LIST is a comma-separated list
384 of NAME[:PROB] entries where NAME is a component
385 (group) and PROB the probability associated with
387 --random-seed=VALUE seed value for --enable/disable-random
389 NOTE: Object files are built at the place where configure is launched.
397 echo "$@" >> $logfile
402 pr -n -t $1 >> $logfile
413 WARNINGS="${WARNINGS}WARNING: $*\n"
420 If you think configure made a mistake, make sure you are using the latest
421 version from Git. If the latest version fails, report the problem to the
422 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
424 if disabled logging; then
426 Rerun configure with logging enabled (do not use --disable-logging), and
427 include the log this produces with your report.
431 Include the log file "$logfile" produced by configure as this will help
438 # Avoid locale weirdness, besides we really just want to translate ASCII.
440 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
444 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
448 echo "$*" | sed 's/["\\]/\\\0/g'
452 v=$(echo "$1" | sed "s/'/'\\\\''/g")
453 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
458 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\\r//g'
465 eval "case $v in $pat) echo $v ;; esac"
473 eval "case $v in $pat) ;; *) echo $v ;; esac"
480 for v; do eval $m; done
486 for v; do echo ${v}${suffix}; done
501 eval : \${$var:=$value}
506 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
512 eval $(sanitize_var_name "$var")='$*'
516 eval echo \$$(sanitize_var_name "$1")
521 eval level=\${${pvar}_level:=0}
522 eval ${pvar}_${level}="\$$pvar"
523 eval ${pvar}_level=$(($level+1))
529 eval level=\${${pvar}_level:-0}
530 test $level = 0 && continue
531 eval level=$(($level-1))
532 eval $pvar="\${${pvar}_${level}}"
533 eval ${pvar}_level=$level
534 eval unset ${pvar}_${level}
556 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
562 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
568 enabled $var && continue
569 eval sel="\$${var}_select"
570 eval sgs="\$${var}_suggest"
574 enable_deep_weak $sgs
586 disabled $var && continue
595 test "${1#!}" = "$1" && op== || op=!=
596 eval test "x\$${1#!}" $op "xyes"
600 test "${1#!}" = "$1" && op== || op=!=
601 eval test "x\$${1#!}" $op "xno"
606 enabled $opt || return 1
612 disabled $opt || return 1
618 enabled $opt && return 0
624 disabled $opt && return 0
631 eval : \${$opt:=\$${opt}_default}
639 [ $var = $value ] && return 0
647 enabled ${cfg}_checking && die "Circular dependency for $cfg."
648 disabled ${cfg}_checking && continue
649 enable ${cfg}_checking
652 eval dep_all="\$${cfg}_deps"
653 eval dep_any="\$${cfg}_deps_any"
654 eval dep_sel="\$${cfg}_select"
655 eval dep_sgs="\$${cfg}_suggest"
656 eval dep_ifa="\$${cfg}_if"
657 eval dep_ifn="\$${cfg}_if_any"
659 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
660 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
661 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
663 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
664 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
665 enabled_all $dep_all || disable $cfg
666 enabled_any $dep_any || disable $cfg
667 disabled_any $dep_sel && disable $cfg
669 if enabled $cfg; then
671 enable_deep_weak $dep_sgs
674 disable ${cfg}_checking
683 for cfg in $allopts; do
684 enabled $cfg || continue
685 eval dep_extralibs="\$${cfg}_extralibs"
686 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
694 map 'eval echo "$v \${$v:-no}"' "$@" |
695 awk "BEGIN { split(\"$files\", files) }
697 c = \"$pfx\" toupper(\$1);
703 if (file ~ /\\.h\$/) {
704 printf(\"#define %s %d\\n\", c, v) >>file;
705 } else if (file ~ /\\.asm\$/) {
706 printf(\"%%define %s %d\\n\", c, v) >>file;
707 } else if (file ~ /\\.mak\$/) {
708 n = -v ? \"\" : \"!\";
709 printf(\"%s%s=yes\\n\", n, c) >>file;
710 } else if (file ~ /\\.texi\$/) {
711 pre = -v ? \"\" : \"@c \";
714 gsub(/_/, \"-\", c2);
715 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
725 enabled $v && printf "%s\n" ${v%$suf};
732 eval "$var=\"\$$var $*\""
738 eval "$var=\"$* \$$var\""
744 for tok in $(eval echo \$$var); do
745 uniq_list="$(filter_out $tok $uniq_list) $tok"
747 eval "$var=\"${uniq_list}\""
755 append CFLAGS $($cflags_filter "$@")
759 append CXXFLAGS $($cflags_filter "$@")
763 append ASFLAGS $($asflags_filter "$@")
767 append LDFLAGS $($ldflags_filter "$@")
771 append LDEXEFLAGS $($ldflags_filter "$@")
775 append ASMSTRIPFLAGS "$@"
779 prepend extralibs $($ldflags_filter "$@")
783 append host_cppflags "$@"
787 append host_cflags $($host_cflags_filter "$@")
791 append host_ldflags $($host_ldflags_filter "$@")
795 append compat_objs $1
797 map 'add_cppflags -D$v' "$@"
802 "$@" >> $logfile 2>&1
807 stat "$1" >> $logfile 2>&1
811 eval printf '%s\\n' $CC_O
815 eval printf '%s\\n' $CC_E
822 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
829 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
836 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
843 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
847 eval printf '%s\\n' $AS_O
854 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
858 log check_inline_asm "$@"
863 check_cc "$@" <<EOF && enable $name
864 void foo(void){ __asm__ volatile($code); }
870 check_inline_asm ${1}_inline "\"$2\""
871 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
879 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
883 eval printf '%s\\n' $LD_O
890 flags=$(filter_out '-l*|*.so' $@)
891 libs=$(filter '-l*|*.so' $@)
892 check_$type $($cflags_filter $flags) || return
893 flags=$($ldflags_filter $flags)
894 libs=$($ldflags_filter $libs)
895 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
900 test "${hdr%.h}" = "${hdr}" &&
901 echo "#include $hdr" ||
902 echo "#include <$hdr>"
912 for hdr in $headers; do
915 echo "int main(void) { $code; return 0; }"
916 } | check_$check "$@"
920 log check_cppflags "$@"
921 check_cc "$@" <<EOF && append CPPFLAGS "$@"
928 set -- $($cflags_filter "$@")
935 log check_cflags "$@"
936 test_cflags "$@" && add_cflags "$@"
940 log check_cxxflags "$@"
941 set -- $($cflags_filter "$@")
942 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
948 log test_ldflags "$@"
949 check_ld "cc" "$@" <<EOF
950 int main(void){ return 0; }
955 log check_ldflags "$@"
956 test_ldflags "$@" && add_ldflags "$@"
960 log test_stripflags "$@"
961 # call check_cc to get a fresh TMPO
963 int main(void) { return 0; }
965 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
969 log check_stripflags "$@"
970 test_stripflags "$@" && add_stripflags "$@"
974 log check_header "$@"
978 check_cpp "$@" <<EOF && enable_safe $header
985 log check_header_oc "$@"
991 echo "#include <$header>"
992 echo "int main(void) { return 0; }"
993 } | check_oc && check_stat "$TMPO" && enable_safe $headers
1001 check_ld "cc" "$@" <<EOF && enable $func
1003 int main(void){ $func(); }
1008 log check_mathfunc "$@"
1012 test $narg = 2 && args="f, g" || args="f"
1014 check_ld "cc" "$@" <<EOF && enable $func
1016 float foo(float f, float g) { return $func($args); }
1017 int main(void){ return (int) foo; }
1021 check_func_headers(){
1022 log check_func_headers "$@"
1027 for hdr in $headers; do
1030 for func in $funcs; do
1031 echo "long check_$func(void) { return (long) $func; }"
1033 echo "int main(void) { return 0; }"
1034 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1037 check_class_headers_cpp(){
1038 log check_class_headers_cpp "$@"
1043 for hdr in $headers; do
1044 echo "#include <$hdr>"
1046 echo "int main(void) { "
1048 for class in $classes; do
1049 echo "$class obj$i;"
1053 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1056 check_cpp_condition(){
1057 log check_cpp_condition "$@"
1061 check_cpp "$@" <<EOF
1064 #error "unsatisfied condition: $condition"
1074 check_header $header && check_func $func "$@" && add_extralibs "$@"
1082 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1086 log check_lib_cpp "$@"
1090 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1094 log check_pkg_config "$@"
1100 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1101 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1102 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1103 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1104 set_safe ${pkg}_cflags $pkg_cflags &&
1105 set_safe ${pkg}_libs $pkg_libs
1109 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1115 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1116 # are safe but may not be available everywhere. Thus we use
1117 # raise(SIGTERM) instead. The check is run in a subshell so we
1118 # can redirect the "Terminated" message from the shell. SIGBUS
1119 # is not defined by standard C so it is used conditionally.
1121 (check_exec "$@") >> $logfile 2>&1 <<EOF
1123 static void sighandler(int sig){
1129 int (*func_ptr)(void) = foo;
1131 signal(SIGILL, sighandler);
1132 signal(SIGFPE, sighandler);
1133 signal(SIGSEGV, sighandler);
1135 signal(SIGBUS, sighandler);
1147 disable_safe "$type"
1148 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1152 log check_struct "$@"
1157 disable_safe "${struct}_${member}"
1158 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1159 enable_safe "${struct}_${member}"
1163 log check_builtin "$@"
1169 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1172 check_compile_assert(){
1173 log check_compile_assert "$@"
1179 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1187 check_lib $header $func "$@" || die "ERROR: $name not found"
1195 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1203 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1208 check_pkg_config "$@" || return 1
1209 add_cflags $(get_safe ${pkg}_cflags)
1210 add_extralibs $(get_safe ${pkg}_libs)
1213 require_pkg_config(){
1214 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1217 require_libfreetype(){
1218 log require_libfreetype "$@"
1220 check_cmd $pkg_config --exists --print-errors $pkg \
1221 || die "ERROR: $pkg not found"
1222 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1223 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1225 echo "#include <ft2build.h>"
1226 echo "#include FT_FREETYPE_H"
1227 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1228 echo "int main(void) { return 0; }"
1229 } | check_ld "cc" $pkg_cflags $pkg_libs \
1230 && set_safe ${pkg}_cflags $pkg_cflags \
1231 && set_safe ${pkg}_libs $pkg_libs \
1232 || die "ERROR: $pkg not found"
1233 add_cflags $(get_safe ${pkg}_cflags)
1234 add_extralibs $(get_safe ${pkg}_libs)
1238 eval printf '%s\\n' $HOSTCC_E
1242 eval printf '%s\\n' $HOSTCC_O
1246 log check_host_cc "$@"
1249 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1253 log check_host_cpp "$@"
1256 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1259 check_host_cppflags(){
1260 log check_host_cppflags "$@"
1261 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1266 check_host_cflags(){
1267 log check_host_cflags "$@"
1268 set -- $($host_cflags_filter "$@")
1269 check_host_cc "$@" <<EOF && append host_cflags "$@"
1274 check_host_cpp_condition(){
1275 log check_host_cpp_condition "$@"
1279 check_host_cpp "$@" <<EOF
1282 #error "unsatisfied condition: $condition"
1290 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1294 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1295 mkdir -p "$(dirname $2)"
1299 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1300 # system-dependent things.
1317 avio_reading_example
1318 decoding_encoding_example
1319 demuxing_decoding_example
1321 filter_audio_example
1322 filtering_audio_example
1323 filtering_video_example
1327 resampling_audio_example
1328 scaling_video_example
1329 transcode_aac_example
1333 EXTERNAL_LIBRARY_LIST="
1423 safe_bitstream_reader
1482 $EXTERNAL_LIBRARY_LIST
1490 incompatible_libav_abi
1551 ARCH_EXT_LIST_MIPS="
1558 ARCH_EXT_LIST_X86_SIMD="
1585 $ARCH_EXT_LIST_X86_SIMD
1611 atomic_compare_exchange
1617 sync_val_compare_and_swap
1628 incompatible_libav_abi
1637 cdio_paranoia_paranoia_h
1639 dev_bktr_ioctl_bt848_h
1640 dev_bktr_ioctl_meteor_h
1642 dev_video_bktr_ioctl_bt848_h
1643 dev_video_meteor_ioctl_meteor_h
1651 machine_ioctl_bt848_h
1652 machine_ioctl_meteor_h
1654 openjpeg_1_5_openjpeg_h
1721 GetProcessAffinityMask
1722 GetProcessMemoryInfo
1726 GetSystemTimeAsFileTime
1733 jack_port_get_latency_range
1749 SetConsoleTextAttribute
1761 TOOLCHAIN_FEATURES="
1773 inline_asm_nonlocal_labels
1774 inline_asm_direct_symbol_refs
1785 CONDITION_VARIABLE_Ptr
1788 struct_group_source_req
1789 struct_ip_mreq_source
1792 struct_rusage_ru_maxrss
1793 struct_sctp_event_subscribe
1795 struct_sockaddr_sa_len
1796 struct_sockaddr_storage
1797 struct_stat_st_mtim_tv_nsec
1798 struct_v4l2_frmivalenum_discrete
1803 $(add_suffix _external $ARCH_EXT_LIST)
1804 $(add_suffix _inline $ARCH_EXT_LIST)
1835 # options emitted with CONFIG_ prefix but not available on the command line
1849 frame_thread_encoder
1971 # code dependency declarations
1973 # architecture extensions
1978 armv8_deps="aarch64"
1979 neon_deps_any="aarch64 arm"
1980 intrinsics_neon_deps="neon"
1981 vfp_deps_any="aarch64 arm"
1985 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1988 mips32r2_deps="mips"
1989 mipsdspr1_deps="mips"
1990 mipsdspr2_deps="mips"
1997 x86_64_select="i686"
1998 x86_64_suggest="fast_cmov"
2001 amd3dnowext_deps="amd3dnow"
2017 mmx_external_deps="yasm"
2018 mmx_inline_deps="inline_asm"
2019 mmx_suggest="mmx_external mmx_inline"
2021 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2022 eval dep=\$${ext}_deps
2023 eval ${ext}_external_deps='"${dep}_external"'
2024 eval ${ext}_inline_deps='"${dep}_inline"'
2025 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2028 aligned_stack_if_any="aarch64 ppc x86"
2029 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2030 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2031 fast_unaligned_if_any="aarch64 ppc x86"
2032 simd_align_16_if_any="altivec neon sse"
2034 # system capabilities
2036 symver_if_any="symver_asm_label symver_gnu_asm"
2039 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2040 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2041 atomics_win32_if="MemoryBarrier"
2042 atomics_native_if_any="$ATOMICS_LIST"
2043 w32threads_deps="atomics_native"
2044 threads_if_any="$THREADS_LIST"
2048 error_resilience_select="me_cmp"
2049 faandct_deps="faan fdctdsp"
2050 faanidct_deps="faan idctdsp"
2051 frame_thread_encoder_deps="encoders threads"
2052 intrax8_select="error_resilience"
2055 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2056 mpeg_er_select="error_resilience"
2057 mpegaudio_select="mpegaudiodsp"
2058 mpegaudiodsp_select="dct"
2059 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"
2060 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2062 # decoders / encoders
2063 aac_decoder_select="mdct sinewin"
2064 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
2065 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2066 ac3_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2067 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2068 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2069 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2070 aic_decoder_select="golomb idctdsp"
2071 alac_encoder_select="lpc"
2072 als_decoder_select="bswapdsp"
2073 amrnb_decoder_select="lsp"
2074 amrwb_decoder_select="lsp"
2075 amv_decoder_select="sp5x_decoder exif"
2076 amv_encoder_select="aandcttables mpegvideoenc"
2077 ape_decoder_select="bswapdsp llauddsp"
2078 apng_decoder_select="zlib"
2079 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2080 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2081 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2082 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2083 atrac1_decoder_select="mdct sinewin"
2084 atrac3_decoder_select="mdct"
2085 atrac3p_decoder_select="mdct sinewin"
2086 avrn_decoder_select="exif"
2087 bink_decoder_select="blockdsp hpeldsp"
2088 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2089 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2090 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2091 cllc_decoder_select="bswapdsp"
2092 comfortnoise_encoder_select="lpc"
2093 cook_decoder_select="audiodsp mdct sinewin"
2094 cscd_decoder_select="lzo"
2095 cscd_decoder_suggest="zlib"
2096 dca_decoder_select="mdct"
2097 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2098 dnxhd_decoder_select="blockdsp idctdsp"
2099 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2100 dvvideo_decoder_select="dvprofile idctdsp"
2101 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2102 dxa_decoder_select="zlib"
2103 eac3_decoder_select="ac3_decoder"
2104 eac3_encoder_select="ac3_encoder"
2105 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2106 eatgq_decoder_select="aandcttables"
2107 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2108 exr_decoder_select="zlib"
2109 ffv1_decoder_select="golomb rangecoder"
2110 ffv1_encoder_select="rangecoder"
2111 ffvhuff_decoder_select="huffyuv_decoder"
2112 ffvhuff_encoder_select="huffyuv_encoder"
2113 fic_decoder_select="golomb"
2114 flac_decoder_select="golomb"
2115 flac_encoder_select="bswapdsp golomb lpc"
2116 flashsv_decoder_select="zlib"
2117 flashsv_encoder_select="zlib"
2118 flashsv2_encoder_select="zlib"
2119 flashsv2_decoder_select="zlib"
2120 flv_decoder_select="h263_decoder"
2121 flv_encoder_select="h263_encoder"
2122 fourxm_decoder_select="blockdsp bswapdsp"
2123 fraps_decoder_select="bswapdsp huffman"
2124 g2m_decoder_select="blockdsp idctdsp zlib"
2125 g729_decoder_select="audiodsp"
2126 h261_decoder_select="mpeg_er mpegvideo"
2127 h261_encoder_select="aandcttables mpegvideoenc"
2128 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2129 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2130 h263i_decoder_select="h263_decoder"
2131 h263p_encoder_select="h263_encoder"
2132 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2133 h264_decoder_suggest="error_resilience"
2134 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2135 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2136 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2137 iac_decoder_select="imc_decoder"
2138 imc_decoder_select="bswapdsp fft mdct sinewin"
2139 indeo3_decoder_select="hpeldsp"
2140 interplay_video_decoder_select="hpeldsp"
2141 jpegls_decoder_select="golomb mjpeg_decoder"
2142 jpegls_encoder_select="golomb"
2143 jv_decoder_select="blockdsp"
2144 lagarith_decoder_select="huffyuvdsp"
2145 ljpeg_encoder_select="aandcttables idctdsp"
2146 loco_decoder_select="golomb"
2147 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2148 metasound_decoder_select="lsp mdct sinewin"
2149 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2150 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp"
2151 mjpeg_encoder_select="aandcttables mpegvideoenc"
2152 mjpegb_decoder_select="mjpeg_decoder"
2153 mlp_decoder_select="mlp_parser"
2154 motionpixels_decoder_select="bswapdsp"
2155 mp1_decoder_select="mpegaudio"
2156 mp1float_decoder_select="mpegaudio"
2157 mp2_decoder_select="mpegaudio"
2158 mp2float_decoder_select="mpegaudio"
2159 mp3_decoder_select="mpegaudio"
2160 mp3adu_decoder_select="mpegaudio"
2161 mp3adufloat_decoder_select="mpegaudio"
2162 mp3float_decoder_select="mpegaudio"
2163 mp3on4_decoder_select="mpegaudio"
2164 mp3on4float_decoder_select="mpegaudio"
2165 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2166 mpc8_decoder_select="mpegaudiodsp"
2167 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2168 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2169 mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"
2170 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2171 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2172 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2173 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2174 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2175 mpeg4_encoder_select="h263_encoder"
2176 msmpeg4v1_decoder_select="h263_decoder"
2177 msmpeg4v2_decoder_select="h263_decoder"
2178 msmpeg4v2_encoder_select="h263_encoder"
2179 msmpeg4v3_decoder_select="h263_decoder"
2180 msmpeg4v3_encoder_select="h263_encoder"
2181 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2182 mxpeg_decoder_select="mjpeg_decoder"
2183 nellymoser_decoder_select="mdct sinewin"
2184 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2185 nuv_decoder_select="idctdsp lzo"
2186 on2avc_decoder_select="mdct"
2187 opus_decoder_deps="swresample"
2188 png_decoder_select="zlib"
2189 png_encoder_select="huffyuvencdsp zlib"
2190 prores_decoder_select="blockdsp idctdsp"
2191 prores_encoder_select="fdctdsp"
2192 qcelp_decoder_select="lsp"
2193 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2194 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2195 ra_144_decoder_select="audiodsp"
2196 ralf_decoder_select="golomb"
2197 rawvideo_decoder_select="bswapdsp"
2198 rtjpeg_decoder_select="me_cmp"
2199 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2200 rv10_encoder_select="h263_encoder"
2201 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2202 rv20_encoder_select="h263_encoder"
2203 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2204 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2205 shorten_decoder_select="golomb"
2206 sipr_decoder_select="lsp"
2207 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2208 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2209 sonic_decoder_select="golomb rangecoder"
2210 sonic_encoder_select="golomb rangecoder"
2211 sonic_ls_encoder_select="golomb rangecoder"
2212 sp5x_decoder_select="mjpeg_decoder"
2213 svq1_decoder_select="hpeldsp"
2214 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2215 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2216 svq3_decoder_suggest="zlib"
2217 tak_decoder_select="audiodsp"
2218 theora_decoder_select="vp3_decoder"
2219 thp_decoder_select="mjpeg_decoder"
2220 tiff_decoder_suggest="zlib lzma"
2221 tiff_encoder_suggest="zlib"
2222 truehd_decoder_select="mlp_parser"
2223 truemotion2_decoder_select="bswapdsp"
2224 truespeech_decoder_select="bswapdsp"
2225 tscc_decoder_select="zlib"
2226 twinvq_decoder_select="mdct lsp sinewin"
2227 utvideo_decoder_select="bswapdsp"
2228 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2229 vble_decoder_select="huffyuvdsp"
2230 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2231 vc1image_decoder_select="vc1_decoder"
2232 vorbis_decoder_select="mdct"
2233 vorbis_encoder_select="mdct"
2234 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2235 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2236 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2237 vp6a_decoder_select="vp6_decoder"
2238 vp6f_decoder_select="vp6_decoder"
2239 vp7_decoder_select="h264pred videodsp"
2240 vp8_decoder_select="h264pred videodsp"
2241 vp9_decoder_select="videodsp vp9_parser"
2242 webp_decoder_select="vp8_decoder"
2243 wmalossless_decoder_select="llauddsp"
2244 wmapro_decoder_select="mdct sinewin wma_freqs"
2245 wmav1_decoder_select="mdct sinewin wma_freqs"
2246 wmav1_encoder_select="mdct sinewin wma_freqs"
2247 wmav2_decoder_select="mdct sinewin wma_freqs"
2248 wmav2_encoder_select="mdct sinewin wma_freqs"
2249 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2250 wmv1_decoder_select="h263_decoder"
2251 wmv1_encoder_select="h263_encoder"
2252 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
2253 wmv2_encoder_select="h263_encoder"
2254 wmv3_decoder_select="vc1_decoder"
2255 wmv3image_decoder_select="wmv3_decoder"
2256 zerocodec_decoder_select="zlib"
2257 zlib_decoder_select="zlib"
2258 zlib_encoder_select="zlib"
2259 zmbv_decoder_select="zlib"
2260 zmbv_encoder_select="zlib"
2262 # hardware accelerators
2263 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2264 dxva2_deps="dxva2api_h"
2265 vaapi_deps="va_va_h"
2266 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2267 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2268 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2269 xvmc_deps="X11_extensions_XvMClib_h"
2271 h263_vaapi_hwaccel_deps="vaapi"
2272 h263_vaapi_hwaccel_select="h263_decoder"
2273 h263_vdpau_hwaccel_deps="vdpau"
2274 h263_vdpau_hwaccel_select="h263_decoder"
2275 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2276 h264_dxva2_hwaccel_deps="dxva2"
2277 h264_dxva2_hwaccel_select="h264_decoder"
2278 h264_vaapi_hwaccel_deps="vaapi"
2279 h264_vaapi_hwaccel_select="h264_decoder"
2280 h264_vda_decoder_deps="vda"
2281 h264_vda_decoder_select="h264_decoder"
2282 h264_vda_hwaccel_deps="vda"
2283 h264_vda_hwaccel_select="h264_decoder"
2284 h264_vda_old_hwaccel_deps="vda"
2285 h264_vda_old_hwaccel_select="h264_decoder"
2286 h264_vdpau_decoder_deps="vdpau"
2287 h264_vdpau_decoder_select="h264_decoder"
2288 h264_vdpau_hwaccel_deps="vdpau"
2289 h264_vdpau_hwaccel_select="h264_decoder"
2290 mpeg_vdpau_decoder_deps="vdpau"
2291 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2292 mpeg_xvmc_hwaccel_deps="xvmc"
2293 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2294 mpeg1_vdpau_decoder_deps="vdpau"
2295 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2296 mpeg1_vdpau_hwaccel_deps="vdpau"
2297 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2298 mpeg1_xvmc_hwaccel_deps="xvmc"
2299 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2300 mpeg2_crystalhd_decoder_select="crystalhd"
2301 mpeg2_dxva2_hwaccel_deps="dxva2"
2302 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2303 mpeg2_vaapi_hwaccel_deps="vaapi"
2304 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2305 mpeg2_vdpau_hwaccel_deps="vdpau"
2306 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2307 mpeg2_xvmc_hwaccel_deps="xvmc"
2308 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2309 mpeg4_crystalhd_decoder_select="crystalhd"
2310 mpeg4_vaapi_hwaccel_deps="vaapi"
2311 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2312 mpeg4_vdpau_decoder_deps="vdpau"
2313 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2314 mpeg4_vdpau_hwaccel_deps="vdpau"
2315 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2316 msmpeg4_crystalhd_decoder_select="crystalhd"
2317 vc1_crystalhd_decoder_select="crystalhd"
2318 vc1_dxva2_hwaccel_deps="dxva2"
2319 vc1_dxva2_hwaccel_select="vc1_decoder"
2320 vc1_vaapi_hwaccel_deps="vaapi"
2321 vc1_vaapi_hwaccel_select="vc1_decoder"
2322 vc1_vdpau_decoder_deps="vdpau"
2323 vc1_vdpau_decoder_select="vc1_decoder"
2324 vc1_vdpau_hwaccel_deps="vdpau"
2325 vc1_vdpau_hwaccel_select="vc1_decoder"
2326 wmv3_crystalhd_decoder_select="crystalhd"
2327 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2328 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2329 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2330 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2333 h264_parser_select="h264_decoder"
2334 hevc_parser_select="hevc_decoder"
2335 mpegvideo_parser_select="mpegvideo"
2336 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2337 vc1_parser_select="mpegvideo startcode vc1_decoder"
2339 # external libraries
2340 libaacplus_encoder_deps="libaacplus"
2341 libcelt_decoder_deps="libcelt"
2342 libfaac_encoder_deps="libfaac"
2343 libfaac_encoder_select="audio_frame_queue"
2344 libfdk_aac_decoder_deps="libfdk_aac"
2345 libfdk_aac_encoder_deps="libfdk_aac"
2346 libfdk_aac_encoder_select="audio_frame_queue"
2347 libgme_demuxer_deps="libgme"
2348 libgsm_decoder_deps="libgsm"
2349 libgsm_encoder_deps="libgsm"
2350 libgsm_ms_decoder_deps="libgsm"
2351 libgsm_ms_encoder_deps="libgsm"
2352 libilbc_decoder_deps="libilbc"
2353 libilbc_encoder_deps="libilbc"
2354 libmodplug_demuxer_deps="libmodplug"
2355 libmp3lame_encoder_deps="libmp3lame"
2356 libmp3lame_encoder_select="audio_frame_queue"
2357 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2358 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2359 libopencore_amrnb_encoder_select="audio_frame_queue"
2360 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2361 libopenjpeg_decoder_deps="libopenjpeg"
2362 libopenjpeg_encoder_deps="libopenjpeg"
2363 libopus_decoder_deps="libopus"
2364 libopus_encoder_deps="libopus"
2365 libopus_encoder_select="audio_frame_queue"
2366 libquvi_demuxer_deps="libquvi"
2367 libschroedinger_decoder_deps="libschroedinger"
2368 libschroedinger_encoder_deps="libschroedinger"
2369 libshine_encoder_deps="libshine"
2370 libshine_encoder_select="audio_frame_queue"
2371 libspeex_decoder_deps="libspeex"
2372 libspeex_encoder_deps="libspeex"
2373 libspeex_encoder_select="audio_frame_queue"
2374 libstagefright_h264_decoder_deps="libstagefright_h264"
2375 libtheora_encoder_deps="libtheora"
2376 libtwolame_encoder_deps="libtwolame"
2377 libvo_aacenc_encoder_deps="libvo_aacenc"
2378 libvo_aacenc_encoder_select="audio_frame_queue"
2379 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2380 libvorbis_decoder_deps="libvorbis"
2381 libvorbis_encoder_deps="libvorbis"
2382 libvorbis_encoder_select="audio_frame_queue"
2383 libvpx_vp8_decoder_deps="libvpx"
2384 libvpx_vp8_encoder_deps="libvpx"
2385 libvpx_vp9_decoder_deps="libvpx"
2386 libvpx_vp9_encoder_deps="libvpx"
2387 libwavpack_encoder_deps="libwavpack"
2388 libwebp_encoder_deps="libwebp"
2389 libx264_encoder_deps="libx264"
2390 libx264rgb_encoder_deps="libx264"
2391 libx265_encoder_deps="libx265"
2392 libxavs_encoder_deps="libxavs"
2393 libxvid_encoder_deps="libxvid"
2394 libutvideo_decoder_deps="libutvideo"
2395 libutvideo_encoder_deps="libutvideo"
2396 libzvbi_teletext_decoder_deps="libzvbi"
2399 ac3_demuxer_select="ac3_parser"
2400 asf_demuxer_select="riffdec"
2401 asf_muxer_select="riffenc"
2402 asf_stream_muxer_select="asf_muxer"
2403 avi_demuxer_select="riffdec exif"
2404 avi_muxer_select="riffenc"
2405 avisynth_demuxer_deps="avisynth"
2406 avisynth_demuxer_select="riffdec"
2407 caf_demuxer_select="riffdec"
2408 dash_muxer_select="mp4_muxer"
2409 dirac_demuxer_select="dirac_parser"
2410 dts_demuxer_select="dca_parser"
2411 dtshd_demuxer_select="dca_parser"
2412 dv_demuxer_select="dvprofile"
2413 dv_muxer_select="dvprofile"
2414 dxa_demuxer_select="riffdec"
2415 eac3_demuxer_select="ac3_parser"
2416 f4v_muxer_select="mov_muxer"
2417 flac_demuxer_select="flac_parser"
2418 hds_muxer_select="flv_muxer"
2419 hls_muxer_select="mpegts_muxer"
2420 image2_alias_pix_demuxer_select="image2_demuxer"
2421 image2_brender_pix_demuxer_select="image2_demuxer"
2422 ipod_muxer_select="mov_muxer"
2423 ismv_muxer_select="mov_muxer"
2424 libnut_demuxer_deps="libnut"
2425 libnut_muxer_deps="libnut"
2426 matroska_audio_muxer_select="matroska_muxer"
2427 matroska_demuxer_select="riffdec"
2428 matroska_demuxer_suggest="bzlib lzo zlib"
2429 matroska_muxer_select="riffenc"
2430 mmf_muxer_select="riffenc"
2431 mov_demuxer_select="riffdec"
2432 mov_demuxer_suggest="zlib"
2433 mov_muxer_select="riffenc rtpenc_chain ac3_parser"
2434 mp3_demuxer_select="mpegaudio_parser"
2435 mp4_muxer_select="mov_muxer"
2436 mpegts_muxer_select="adts_muxer latm_muxer"
2437 mpegtsraw_demuxer_select="mpegts_demuxer"
2438 mxf_d10_muxer_select="mxf_muxer"
2439 nut_muxer_select="riffenc"
2440 nuv_demuxer_select="riffdec"
2441 oga_muxer_select="ogg_muxer"
2442 ogg_demuxer_select="golomb"
2443 opus_muxer_select="ogg_muxer"
2444 psp_muxer_select="mov_muxer"
2445 rtp_demuxer_select="sdp_demuxer"
2446 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2447 rtsp_demuxer_select="http_protocol rtpdec"
2448 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2449 sap_demuxer_select="sdp_demuxer"
2450 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2451 sdp_demuxer_select="rtpdec"
2452 smoothstreaming_muxer_select="ismv_muxer"
2453 spdif_muxer_select="aac_parser"
2454 spx_muxer_select="ogg_muxer"
2455 tak_demuxer_select="tak_parser"
2456 tg2_muxer_select="mov_muxer"
2457 tgp_muxer_select="mov_muxer"
2458 vobsub_demuxer_select="mpegps_demuxer"
2459 w64_demuxer_select="wav_demuxer"
2460 w64_muxer_select="wav_muxer"
2461 wav_demuxer_select="riffdec"
2462 wav_muxer_select="riffenc"
2463 webm_muxer_select="riffenc"
2464 wtv_demuxer_select="riffdec"
2465 wtv_muxer_select="riffenc"
2466 xmv_demuxer_select="riffdec"
2467 xwma_demuxer_select="riffdec"
2470 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2471 alsa_outdev_deps="alsa_asoundlib_h"
2472 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia -framework CoreGraphics"
2473 avfoundation_indev_select="avfoundation"
2474 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2475 caca_outdev_deps="libcaca"
2476 decklink_outdev_deps="decklink pthreads"
2477 decklink_outdev_extralibs="-lstdc++"
2478 decklink_indev_deps="decklink pthreads"
2479 decklink_indev_extralibs="-lstdc++"
2480 dshow_indev_deps="IBaseFilter"
2481 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2482 dv1394_indev_deps="dv1394"
2483 dv1394_indev_select="dv_demuxer"
2484 fbdev_indev_deps="linux_fb_h"
2485 fbdev_outdev_deps="linux_fb_h"
2486 gdigrab_indev_deps="CreateDIBSection"
2487 gdigrab_indev_extralibs="-lgdi32"
2488 gdigrab_indev_select="bmp_decoder"
2489 iec61883_indev_deps="libiec61883"
2490 jack_indev_deps="jack_jack_h sem_timedwait"
2491 lavfi_indev_deps="avfilter"
2492 libcdio_indev_deps="libcdio"
2493 libdc1394_indev_deps="libdc1394"
2494 libv4l2_indev_deps="libv4l2"
2495 openal_indev_deps="openal"
2496 opengl_outdev_deps="opengl"
2497 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2498 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2499 pulse_indev_deps="libpulse"
2500 pulse_outdev_deps="libpulse"
2501 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2502 qtkit_indev_select="qtkit"
2503 sdl_outdev_deps="sdl"
2504 sndio_indev_deps="sndio_h"
2505 sndio_outdev_deps="sndio_h"
2506 v4l_indev_deps="linux_videodev_h"
2507 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2508 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2509 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2510 vfwcap_indev_extralibs="-lavicap32"
2511 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2512 xv_outdev_extralibs="-lXv -lX11 -lXext"
2513 x11grab_indev_deps="x11grab"
2514 x11grab_xcb_indev_deps="libxcb"
2517 bluray_protocol_deps="libbluray"
2518 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2519 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2520 ffrtmpcrypt_protocol_select="tcp_protocol"
2521 ffrtmphttp_protocol_deps="!librtmp_protocol"
2522 ffrtmphttp_protocol_select="http_protocol"
2523 ftp_protocol_select="tcp_protocol"
2524 gopher_protocol_select="network"
2525 http_protocol_select="tcp_protocol"
2526 httpproxy_protocol_select="tcp_protocol"
2527 https_protocol_select="tls_protocol"
2528 icecast_protocol_select="http_protocol"
2529 librtmp_protocol_deps="librtmp"
2530 librtmpe_protocol_deps="librtmp"
2531 librtmps_protocol_deps="librtmp"
2532 librtmpt_protocol_deps="librtmp"
2533 librtmpte_protocol_deps="librtmp"
2534 libsmbclient_protocol_deps="libsmbclient gplv3"
2535 libssh_protocol_deps="libssh"
2536 mmsh_protocol_select="http_protocol"
2537 mmst_protocol_select="network"
2538 rtmp_protocol_deps="!librtmp_protocol"
2539 rtmp_protocol_select="tcp_protocol"
2540 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2541 rtmps_protocol_deps="!librtmp_protocol"
2542 rtmps_protocol_select="tls_protocol"
2543 rtmpt_protocol_select="ffrtmphttp_protocol"
2544 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2545 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2546 rtp_protocol_select="udp_protocol"
2547 sctp_protocol_deps="struct_sctp_event_subscribe"
2548 sctp_protocol_select="network"
2549 srtp_protocol_select="rtp_protocol"
2550 tcp_protocol_select="network"
2551 tls_protocol_deps_any="openssl gnutls"
2552 tls_protocol_select="tcp_protocol"
2553 udp_protocol_select="network"
2554 udplite_protocol_select="network"
2555 unix_protocol_deps="sys_un_h"
2556 unix_protocol_select="network"
2559 amovie_filter_deps="avcodec avformat"
2560 aresample_filter_deps="swresample"
2561 ass_filter_deps="libass"
2562 asyncts_filter_deps="avresample"
2563 atempo_filter_deps="avcodec"
2564 atempo_filter_select="rdft"
2565 azmq_filter_deps="libzmq"
2566 blackframe_filter_deps="gpl"
2567 boxblur_filter_deps="gpl"
2568 bs2b_filter_deps="libbs2b"
2569 colormatrix_filter_deps="gpl"
2570 cropdetect_filter_deps="gpl"
2571 delogo_filter_deps="gpl"
2572 deshake_filter_select="pixelutils"
2573 drawtext_filter_deps="libfreetype"
2574 ebur128_filter_deps="gpl"
2575 flite_filter_deps="libflite"
2576 frei0r_filter_deps="frei0r dlopen"
2577 frei0r_src_filter_deps="frei0r dlopen"
2578 geq_filter_deps="gpl"
2579 histeq_filter_deps="gpl"
2580 hqdn3d_filter_deps="gpl"
2581 interlace_filter_deps="gpl"
2582 kerndeint_filter_deps="gpl"
2583 ladspa_filter_deps="ladspa dlopen"
2584 mcdeint_filter_deps="avcodec gpl"
2585 movie_filter_deps="avcodec avformat"
2586 mp_filter_deps="gpl avcodec swscale"
2587 mpdecimate_filter_deps="gpl"
2588 mpdecimate_filter_select="pixelutils"
2589 mptestsrc_filter_deps="gpl"
2590 negate_filter_deps="lut_filter"
2591 perspective_filter_deps="gpl"
2592 ocv_filter_deps="libopencv"
2593 owdenoise_filter_deps="gpl"
2594 pan_filter_deps="swresample"
2595 phase_filter_deps="gpl"
2596 pp_filter_deps="gpl postproc"
2597 pullup_filter_deps="gpl"
2598 removelogo_filter_deps="avcodec avformat swscale"
2599 resample_filter_deps="avresample"
2600 sab_filter_deps="gpl swscale"
2601 scale_filter_deps="swscale"
2602 select_filter_select="pixelutils"
2603 smartblur_filter_deps="gpl swscale"
2604 showspectrum_filter_deps="avcodec"
2605 showspectrum_filter_select="rdft"
2606 spp_filter_deps="gpl avcodec"
2607 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2608 stereo3d_filter_deps="gpl"
2609 subtitles_filter_deps="avformat avcodec libass"
2610 super2xsai_filter_deps="gpl"
2611 tinterlace_filter_deps="gpl"
2612 vidstabdetect_filter_deps="libvidstab"
2613 vidstabtransform_filter_deps="libvidstab"
2614 pixfmts_super2xsai_test_deps="super2xsai_filter"
2615 tinterlace_merge_test_deps="tinterlace_filter"
2616 tinterlace_pad_test_deps="tinterlace_filter"
2617 zmq_filter_deps="libzmq"
2618 zoompan_filter_deps="swscale"
2621 avio_reading="avformat avcodec avutil"
2622 avcodec_example_deps="avcodec avutil"
2623 decoding_encoding_example_deps="avcodec avformat avutil"
2624 demuxing_decoding_example_deps="avcodec avformat avutil"
2625 extract_mvs_example_deps="avcodec avformat avutil"
2626 filter_audio_example_deps="avfilter avutil"
2627 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2628 filtering_video_example_deps="avfilter avcodec avformat avutil"
2629 metadata_example_deps="avformat avutil"
2630 muxing_example_deps="avcodec avformat avutil swscale"
2631 remuxing_example_deps="avcodec avformat avutil"
2632 resampling_audio_example_deps="avutil swresample"
2633 scaling_video_example_deps="avutil swscale"
2634 transcode_aac_example_deps="avcodec avformat swresample"
2635 transcoding_example_deps="avfilter avcodec avformat avutil"
2637 # libraries, in linking order
2638 avcodec_deps="avutil"
2639 avdevice_deps="avformat avcodec avutil"
2640 avfilter_deps="avutil"
2641 avformat_deps="avcodec avutil"
2642 avresample_deps="avutil"
2643 postproc_deps="avutil gpl"
2644 swresample_deps="avutil"
2645 swscale_deps="avutil"
2648 ffmpeg_deps="avcodec avfilter avformat swresample"
2649 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2651 setpts_filter trim_filter"
2652 ffplay_deps="avcodec avformat swscale swresample sdl"
2653 ffplay_libs='$sdl_libs'
2654 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2655 ffprobe_deps="avcodec avformat"
2656 ffserver_deps="avformat fork sarestart"
2657 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2660 podpages_deps="perl"
2661 manpages_deps="perl pod2man"
2662 htmlpages_deps="perl"
2663 htmlpages_deps_any="makeinfo_html texi2html"
2664 txtpages_deps="perl makeinfo"
2665 doc_deps_any="manpages htmlpages podpages txtpages"
2667 # default parameters
2669 logfile="config.log"
2671 # installation paths
2672 prefix_default="/usr/local"
2673 bindir_default='${prefix}/bin'
2674 datadir_default='${prefix}/share/ffmpeg'
2675 docdir_default='${prefix}/share/doc/ffmpeg'
2676 incdir_default='${prefix}/include'
2677 libdir_default='${prefix}/lib'
2678 mandir_default='${prefix}/share/man'
2679 shlibdir_default="$libdir_default"
2685 host_cc_default="gcc"
2687 doxygen_default="doxygen"
2692 pkg_config_default=pkg-config
2693 ranlib_default="ranlib"
2694 strip_default="strip"
2695 yasmexe_default="yasm"
2696 windres_default="windres"
2699 target_os_default=$(tolower $(uname -s))
2700 host_os=$target_os_default
2703 if test "$target_os_default" = aix; then
2704 arch_default=$(uname -p)
2705 strip_default="strip -X32_64"
2707 arch_default=$(uname -m)
2712 # configurable options
2713 enable $PROGRAM_LIST
2714 enable $DOCUMENT_LIST
2715 enable $EXAMPLE_LIST
2716 enable $(filter_out avresample $LIBRARY_LIST)
2722 enable faan faandct faanidct
2723 enable optimizations
2724 enable runtime_cpudetect
2725 enable safe_bitstream_reader
2727 enable swscale_alpha
2729 sws_max_filter_size_default=256
2730 set_default sws_max_filter_size
2732 # Enable hwaccels by default.
2733 enable dxva2 vaapi vda vdpau xvmc
2737 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2740 FULLNAME='$(NAME)$(BUILDSUF)'
2741 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2744 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2745 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2746 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2747 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2748 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2749 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2771 host_cflags_filter=echo
2772 host_ldflags_filter=echo
2774 target_path='$(CURDIR)'
2776 # since the object filename is not given with the -MM flag, the compiler
2777 # is only able to print the basename, and we must add the path ourselves
2778 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2782 if test -f configure; then
2785 source_path=$(cd $(dirname "$0"); pwd)
2786 echo "$source_path" | grep -q '[[:blank:]]' &&
2787 die "Out of tree builds are impossible with whitespace in source path."
2788 test -e "$source_path/config.h" &&
2789 die "Out of tree builds are impossible with config.h in source dir."
2796 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2802 file=$source_path/$3
2803 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2806 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2807 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2808 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2809 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2810 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2811 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2812 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2813 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2814 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2815 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2816 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2832 for n in $COMPONENT_LIST; do
2833 v=$(toupper ${n%s})_LIST
2835 eval ${n}_if_any="\$$v"
2838 enable $ARCH_EXT_LIST
2841 echo "Unknown option \"$1\"."
2842 echo "See $0 --help for available options."
2847 cat | tr ' ' '\n' | sort | pr -r -3 -t
2853 echo $* | sed s/$suffix//g | print_3_columns
2865 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2866 echo "prob ${prob:-0.5}"
2874 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2875 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2884 --extra-ldexeflags=*)
2885 add_ldexeflags $optval
2888 add_extralibs $optval
2891 disable $INDEV_LIST $OUTDEV_LIST
2894 debuglevel="$optval"
2897 disable $PROGRAM_LIST
2899 --disable-everything)
2900 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2903 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2904 disable $LIBRARY_LIST $PROGRAM_LIST doc
2906 --enable-random|--disable-random)
2907 action=${opt%%-random}
2908 do_random ${action#--} $COMPONENT_LIST
2910 --enable-random=*|--disable-random=*)
2911 action=${opt%%-random=*}
2912 do_random ${action#--} $optval
2914 --enable-*=*|--disable-*=*)
2915 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2916 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2917 eval list=\$$(toupper $thing)_LIST
2918 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2919 list=$(filter "$name" $list)
2920 [ "$list" = "" ] && warn "Option $opt did not match anything"
2923 --enable-?*|--disable-?*)
2924 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2925 if is_in $option $COMPONENT_LIST; then
2926 test $action = disable && action=unset
2927 eval $action \$$(toupper ${option%s})_LIST
2928 elif is_in $option $CMDLINE_SELECT; then
2935 NAME="${opt#--list-}"
2936 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2938 eval show_list $NAME \$$(toupper $NAME)_LIST
2940 --help|-h) show_help
2942 --fatal-warnings) enable fatal_warnings
2945 optname="${opt%%=*}"
2946 optname="${optname#--}"
2947 optname=$(echo "$optname" | sed 's/-/_/g')
2948 if is_in $optname $CMDLINE_SET; then
2949 eval $optname='$optval'
2950 elif is_in $optname $CMDLINE_APPEND; then
2951 append $optname "$optval"
2959 disabled logging && logfile=/dev/null
2961 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2964 test -n "$cross_prefix" && enable cross_compile
2966 if enabled cross_compile; then
2967 test -n "$arch" && test -n "$target_os" ||
2968 die "Must specify target arch and OS when cross-compiling"
2971 ar_default="${cross_prefix}${ar_default}"
2972 cc_default="${cross_prefix}${cc_default}"
2973 cxx_default="${cross_prefix}${cxx_default}"
2974 nm_default="${cross_prefix}${nm_default}"
2975 pkg_config_default="${cross_prefix}${pkg_config_default}"
2976 ranlib_default="${cross_prefix}${ranlib_default}"
2977 strip_default="${cross_prefix}${strip_default}"
2978 windres_default="${cross_prefix}${windres_default}"
2980 sysinclude_default="${sysroot}/usr/include"
2982 test -n "$valgrind" && toolchain="valgrind-memcheck"
2984 case "$toolchain" in
2987 add_cflags -fsanitize=address
2988 add_ldflags -fsanitize=address
2992 add_cflags -fsanitize=thread -pie
2993 add_ldflags -fsanitize=thread -pie
2997 add_cflags -fsanitize=undefined
2998 add_ldflags -fsanitize=undefined
3002 add_cflags -fsanitize=address
3003 add_ldflags -fsanitize=address
3007 add_cflags -fsanitize=thread -pie -fPIC
3008 add_ldflags -fsanitize=thread -pie -fPIC
3012 add_cflags -fsanitize=undefined
3013 add_ldflags -fsanitize=undefined
3016 target_exec_default=${valgrind:-"valgrind"}
3017 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"
3020 target_exec_default=${valgrind:-"valgrind"}
3021 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3024 # Check whether the current MSVC version needs the C99 converter.
3025 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3026 # support enough of C99 to build ffmpeg. Default to the new
3027 # behaviour if the regexp was unable to match anything, since this
3028 # successfully parses the version number of existing supported
3029 # versions that require the converter (MSVC 2010 and 2012).
3030 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3031 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3034 cc_default="c99wrap cl"
3037 nm_default="dumpbin -symbols"
3039 target_os_default="win32"
3040 # Use a relative path for TMPDIR. This makes sure all the
3041 # ffconf temp files are written with a relative path, avoiding
3042 # issues with msys/win32 path conversion for MSVC parameters
3043 # such as -Fo<file> or -out:<file>.
3049 nm_default="dumpbin -symbols"
3051 target_os_default="win32"
3055 add_cflags -fprofile-arcs -ftest-coverage
3056 add_ldflags -fprofile-arcs -ftest-coverage
3059 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3060 add_cflags -fno-strict-overflow -fstack-protector-all
3061 add_ldflags -Wl,-z,relro -Wl,-z,now
3064 die "Unknown toolchain $toolchain"
3068 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3069 target_exec target_os yasmexe
3070 enabled cross_compile || host_cc_default=$cc
3073 pkg_config_fail_message=""
3074 if ! $pkg_config --version >/dev/null 2>&1; then
3075 warn "$pkg_config not found, library detection may fail."
3077 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3078 pkg_config_fail_message="
3079 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3082 if test $doxygen != $doxygen_default && \
3083 ! $doxygen --version >/dev/null 2>&1; then
3084 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3089 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3093 EXESUF=$(exesuf $target_os)
3094 HOSTEXESUF=$(exesuf $host_os)
3096 # set temporary file name
3097 : ${TMPDIR:=$TEMPDIR}
3101 if [ -n "$tempprefix" ] ; then
3103 echo $tempprefix.${HOSTNAME}.${UID}
3105 elif ! check_cmd mktemp -u XXXXXX; then
3106 # simple replacement for missing mktemp
3107 # NOT SAFE FOR GENERAL USE
3109 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3114 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3115 (set -C; exec > $tmp) 2>/dev/null ||
3116 die "Unable to create temporary file in $TMPDIR."
3117 append TMPFILES $tmp
3121 trap 'rm -f -- $TMPFILES' EXIT
3126 tmpfile TMPE $EXESUF
3138 # make sure we can execute files in $TMPDIR
3139 cat > $TMPSH 2>> $logfile <<EOF
3142 chmod +x $TMPSH >> $logfile 2>&1
3143 if ! $TMPSH >> $logfile 2>&1; then
3145 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3146 variable to another directory and make sure that it is not mounted noexec.
3148 die "Sanity test failed."
3154 # Filter out MSVC cl.exe options from cflags that shouldn't
3155 # be passed to gas-preprocessor
3165 -std=c99) echo -c99 ;;
3166 -mcpu=*) echo -arch ${flag#*=} ;;
3167 -mieee) echo -ieee ;;
3168 -O*|-fast) echo $flag ;;
3169 -fno-math-errno) echo -assume nomath_errno ;;
3171 -Wall) echo -msg_enable level2 ;;
3172 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3173 -Wl,*) echo $flag ;;
3183 -Wno-switch) echo -Wno-switch-enum ;;
3184 -Wno-format-zero-length) ;;
3185 -Wdisabled-optimization) ;;
3186 -Wno-pointer-sign) echo -Wno-other ;;
3192 msvc_common_flags(){
3195 # In addition to specifying certain flags under the compiler
3196 # specific filters, they must be specified here as well or else the
3197 # generic catch all at the bottom will print the original flag.
3201 -fomit-frame-pointer) ;;
3205 -fno-signed-zeros) ;;
3209 -lz) echo zlib.lib ;;
3210 -lavifil32) echo vfw32.lib ;;
3211 -lavicap32) echo vfw32.lib user32.lib ;;
3212 -l*) echo ${flag#-l}.lib ;;
3219 msvc_common_flags "$@"
3222 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3223 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3224 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3232 msvc_common_flags "$@"
3235 # Despite what Intel's documentation says -Wall, which is supported
3236 # on Windows, does enable remarks so disable them here.
3237 -Wall) echo $flag -Qdiag-disable:remark ;;
3238 -std=c99) echo -Qstd=c99 ;;
3256 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3257 -fomit-frame-pointer) echo -Mnoframe ;;
3268 case "${flag#*=}" in
3269 native) echo -xtarget=native ;;
3270 v9|niagara) echo -xarch=sparc ;;
3271 ultrasparc) echo -xarch=sparcvis ;;
3272 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3273 i586|pentium) echo -xchip=pentium ;;
3274 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3275 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3276 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3277 pentium4*) echo -xtarget=pentium4 ;;
3278 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3279 *-sse3) echo -xarch=sse3 ;;
3280 core2) echo -xarch=ssse3 -xchip=core2 ;;
3281 bonnell) echo -xarch=ssse3 ;;
3282 corei7|nehalem) echo -xtarget=nehalem ;;
3283 westmere) echo -xtarget=westmere ;;
3284 silvermont) echo -xarch=sse4_2 ;;
3285 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3286 core-avx*|ivybridge|haswell|broadwell)
3288 amdfam10|barcelona) echo -xtarget=barcelona ;;
3289 btver1) echo -xarch=amdsse4a ;;
3290 btver2|bdver*) echo -xarch=avx ;;
3291 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3292 k8|opteron|athlon64|athlon-fx)
3293 echo -xarch=sse2a ;;
3294 athlon*) echo -xarch=pentium_proa ;;
3297 -std=c99) echo -xc99 ;;
3298 -fomit-frame-pointer) echo -xregs=frameptr ;;
3299 -fPIC) echo -KPIC -xcode=pic32 ;;
3300 -W*,*) echo $flag ;;
3301 -f*-*|-W*|-mimpure-text) ;;
3312 case "${flag#*=}" in
3313 armv7-a|cortex-a*) echo -mv=7a8 ;;
3314 armv7-r|cortex-r*) echo -mv=7r4 ;;
3315 armv7-m|cortex-m*) echo -mv=7m3 ;;
3316 armv6*|arm11*) echo -mv=6 ;;
3317 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3319 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3322 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3323 -mfpu=vfp) echo --float_support=vfpv2 ;;
3324 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3325 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3326 -msoft-float) echo --float_support=vfplib ;;
3327 -O[0-3]|-mf=*) echo $flag ;;
3329 -pds=*) echo $flag ;;
3330 -D*|-I*) echo $flag ;;
3331 --gcc|--abi=*) echo $flag ;;
3341 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3342 unset _ld_o _ldflags _ld_lib _ld_path
3343 unset _depflags _DEPCMD _DEPFLAGS
3346 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3347 true # no-op to avoid reading stdin in following checks
3348 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3350 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3351 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3352 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3355 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3357 gcc_version=$($_cc --version | head -n1)
3358 gcc_basever=$($_cc -dumpversion)
3359 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3360 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3361 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3362 if ! $_cc -dumpversion | grep -q '^2\.'; then
3363 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3367 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3369 _ident=$($_cc --version | head -n1)
3374 _flags_filter=icc_flags
3375 elif $_cc -v 2>&1 | grep -q xlc; then
3377 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3379 _cflags_size='-O5 -qcompact'
3380 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3382 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3384 _cflags_speed='-fast'
3386 _flags_filter=ccc_flags
3387 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3388 test -d "$sysroot" || die "No valid sysroot specified."
3390 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3391 armcc_conf="$PWD/armcc.conf"
3392 $_cc --arm_linux_configure \
3393 --arm_linux_config_file="$armcc_conf" \
3394 --configure_sysroot="$sysroot" \
3395 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3396 die "Error creating armcc configuration file."
3397 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3398 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3399 as_default="${cross_prefix}gcc"
3403 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3405 _ident=$($_cc -version | head -n1 | tr -s ' ')
3406 _flags='--gcc --abi=eabi -me'
3409 _depflags='-ppa -ppd=$(@:.o=.d)'
3410 _cflags_speed='-O3 -mf=5'
3411 _cflags_size='-O3 -mf=2'
3412 _flags_filter=tms470_flags
3413 elif $_cc -v 2>&1 | grep -q clang; then
3415 _ident=$($_cc --version | head -n1)
3416 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3419 elif $_cc -V 2>&1 | grep -q Sun; then
3421 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3422 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3423 _DEPFLAGS='-xM1 -xc99'
3426 _cflags_size='-O5 -xspace'
3427 _flags_filter=suncc_flags
3428 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3430 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3431 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3434 _flags_filter='filter_out -Wdisabled-optimization'
3435 elif $_cc -v 2>&1 | grep -q Open64; then
3437 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3438 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3441 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3442 elif $_cc -V 2>&1 | grep -q Portland; then
3444 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3445 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3446 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3447 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3449 _flags_filter=pgi_flags
3450 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3452 _ident=$($_cc | head -n1)
3453 # 4509: "This form of conditional instruction is deprecated"
3454 _flags="-nologo -ignore 4509"
3455 _flags_filter=armasm_flags
3456 elif $_cc 2>&1 | grep -q Intel; then
3458 _ident=$($cc 2>&1 | head -n1)
3459 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3460 # Not only is O3 broken on 13.x+ but it is slower on all previous
3461 # versions (tested) as well.
3463 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3464 if $_cc 2>&1 | grep -q Linker; then
3471 _flags_filter=icl_flags
3473 _ld_path='-libpath:'
3474 # -Qdiag-error to make icl error when seeing certain unknown arguments
3475 _flags='-nologo -Qdiag-error:4044,10157'
3476 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3477 # with MSVC which enables it by default.
3478 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3479 if [ $pfx = hostcc ]; then
3480 append _cflags -Dsnprintf=_snprintf
3483 elif $_cc 2>&1 | grep -q Microsoft; then
3485 _ident=$($cc 2>&1 | head -n1)
3486 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3487 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3490 if $_cc 2>&1 | grep -q Linker; then
3497 _flags_filter=msvc_flags
3499 _ld_path='-libpath:'
3501 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3502 if [ $pfx = hostcc ]; then
3503 append _cflags -Dsnprintf=_snprintf
3506 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3508 _ident=$($_cc --version | head -n1)
3512 _flags_filter=cparser_flags
3515 eval ${pfx}_type=\$_type
3516 eval ${pfx}_ident=\$_ident
3520 eval ${1}_C=\${_cc_c-\${${1}_C}}
3521 eval ${1}_E=\${_cc_e-\${${1}_E}}
3522 eval ${1}_O=\${_cc_o-\${${1}_O}}
3524 if [ -n "$_depflags" ]; then
3525 eval ${1}_DEPFLAGS=\$_depflags
3527 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3528 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3529 eval DEP${1}FLAGS=\$_flags
3534 cflags_filter=$_flags_filter
3535 cflags_speed=$_cflags_speed
3536 cflags_size=$_cflags_size
3537 cflags_noopt=$_cflags_noopt
3538 add_cflags $_flags $_cflags
3539 cc_ldflags=$_ldflags
3542 probe_cc hostcc "$host_cc"
3543 host_cflags_filter=$_flags_filter
3544 add_host_cflags $_flags $_cflags
3547 test -n "$cc_type" && enable $cc_type ||
3548 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3550 : ${as_default:=$cc}
3551 : ${dep_cc_default:=$cc}
3552 : ${ld_default:=$cc}
3553 : ${host_ld_default:=$host_cc}
3554 set_default ar as dep_cc ld host_ld windres
3557 asflags_filter=$_flags_filter
3558 add_asflags $_flags $_cflags
3562 ldflags_filter=$_flags_filter
3563 add_ldflags $_flags $_ldflags
3564 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3566 LD_LIB=${_ld_lib-$LD_LIB}
3567 LD_PATH=${_ld_path-$LD_PATH}
3569 probe_cc hostld "$host_ld"
3570 host_ldflags_filter=$_flags_filter
3571 add_host_ldflags $_flags $_ldflags
3572 HOSTLD_O=${_ld_o-$HOSTLD_O}
3574 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3575 probe_cc depcc "$dep_cc"
3576 CCDEP=${_DEPCMD:-$DEPCMD}
3577 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3581 if $ar 2>&1 | grep -q Microsoft; then
3584 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3587 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3588 arflags='-Xany -r -c'
3595 add_cflags $extra_cflags
3596 add_cxxflags $extra_cxxflags
3597 add_asflags $extra_cflags
3599 if test -n "$sysroot"; then
3602 add_cppflags --sysroot="$sysroot"
3603 add_ldflags --sysroot="$sysroot"
3604 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3605 add_cppflags -isysroot "$sysroot"
3606 add_ldflags -isysroot "$sysroot"
3609 add_cppflags -I"$sysinclude"
3610 add_ldflags --sysroot="$sysroot"
3615 if test "$cpu" = host; then
3616 enabled cross_compile &&
3617 die "--cpu=host makes no sense when cross-compiling."
3622 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3624 s/.*$1=\\([^ ]*\\).*/\\1/
3629 cpu=$(check_native -march || check_native -mcpu)
3633 test "${cpu:-host}" = host &&
3634 die "--cpu=host not supported with compiler $cc"
3637 # Deal with common $arch aliases
3651 "Power Macintosh"|ppc*|powerpc*)
3666 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3671 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3674 # Add processor-specific flags
3675 if enabled aarch64; then
3679 cpuflags="-march=$cpu"
3682 cpuflags="-mcpu=$cpu"
3686 elif enabled alpha; then
3688 cpuflags="-mcpu=$cpu"
3690 elif enabled arm; then
3693 check_cpp_condition stddef.h \
3694 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3699 if check_arm_arch 4; then echo armv4;
3700 elif check_arm_arch 4T; then echo armv4t;
3701 elif check_arm_arch 5; then echo armv5;
3702 elif check_arm_arch 5E; then echo armv5e;
3703 elif check_arm_arch 5T; then echo armv5t;
3704 elif check_arm_arch 5TE; then echo armv5te;
3705 elif check_arm_arch 5TEJ; then echo armv5te;
3706 elif check_arm_arch 6; then echo armv6;
3707 elif check_arm_arch 6J; then echo armv6j;
3708 elif check_arm_arch 6K; then echo armv6k;
3709 elif check_arm_arch 6Z; then echo armv6z;
3710 elif check_arm_arch 6ZK; then echo armv6zk;
3711 elif check_arm_arch 6T2; then echo armv6t2;
3712 elif check_arm_arch 7; then echo armv7;
3713 elif check_arm_arch 7A 7_A; then echo armv7-a;
3714 elif check_arm_arch 7R 7_R; then echo armv7-r;
3715 elif check_arm_arch 7M 7_M; then echo armv7-m;
3716 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3717 elif check_arm_arch 8A 8_A; then echo armv8-a;
3721 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3725 cpuflags="-march=$cpu"
3726 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3729 cpuflags="-mcpu=$cpu"
3731 cortex-a*) subarch=armv7a ;;
3732 cortex-r*) subarch=armv7r ;;
3733 cortex-m*) enable thumb; subarch=armv7m ;;
3734 arm11*) subarch=armv6 ;;
3735 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3736 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3737 *) subarch=$(probe_arm_arch) ;;
3743 armv5t*) enable fast_clz ;;
3746 disabled fast_unaligned || enable fast_unaligned
3750 elif enabled avr32; then
3755 cpuflags="-mpart=$cpu"
3759 cpuflags="-march=$cpu"
3763 cpuflags="-mcpu=$cpu"
3767 cpuflags="-march=$cpu"
3771 elif enabled bfin; then
3773 cpuflags="-mcpu=$cpu"
3775 elif enabled mips; then
3777 cpuflags="-march=$cpu"
3793 24kef*|34kf*|1004kf*)
3801 elif enabled ppc; then
3806 case $(tolower $cpu) in
3807 601|ppc601|powerpc601)
3808 cpuflags="-mcpu=601"
3811 603*|ppc603*|powerpc603*)
3812 cpuflags="-mcpu=603"
3815 604*|ppc604*|powerpc604*)
3816 cpuflags="-mcpu=604"
3819 g3|75*|ppc75*|powerpc75*)
3820 cpuflags="-mcpu=750"
3823 g4|745*|ppc745*|powerpc745*)
3824 cpuflags="-mcpu=7450"
3826 74*|ppc74*|powerpc74*)
3827 cpuflags="-mcpu=7400"
3829 g5|970|ppc970|powerpc970)
3830 cpuflags="-mcpu=970"
3833 cpuflags="-mcpu=$cpu"
3836 cpuflags="-mcpu=cell"
3840 cpuflags="-mcpu=e500mc"
3844 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3849 cpuflags="-mcpu=8540 -mhard-float"
3855 elif enabled sparc; then
3858 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3859 cpuflags="-mcpu=$cpu"
3861 ultrasparc*|niagara[234])
3862 cpuflags="-mcpu=$cpu"
3866 elif enabled x86; then
3870 cpuflags="-march=$cpu"
3874 # targets that do NOT support nopl and conditional mov (cmov)
3875 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3876 cpuflags="-march=$cpu"
3879 # targets that do support nopl and conditional mov (cmov)
3880 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
3881 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
3882 cpuflags="-march=$cpu"
3886 # targets that do support conditional mov but on which it's slow
3887 pentium4|pentium4m|prescott|nocona)
3888 cpuflags="-march=$cpu"
3896 if [ "$cpu" != generic ]; then
3897 add_cflags $cpuflags
3898 add_asflags $cpuflags
3901 # compiler sanity check
3903 int main(void){ return 0; }
3905 if test "$?" != 0; then
3906 echo "$cc is unable to create an executable file."
3907 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3908 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3909 echo "Only do this if you know what cross compiling means."
3911 die "C compiler test failed."
3914 add_cppflags -D_ISOC99_SOURCE
3915 add_cxxflags -D__STDC_CONSTANT_MACROS
3916 check_cflags -std=c99
3917 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3920 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3924 add_host_cppflags -D_ISOC99_SOURCE
3925 check_host_cflags -std=c99
3926 check_host_cflags -Wall
3927 check_host_cflags -O3
3933 check_code cc "" "int test[2*($expr) - 1]" &&
3934 subarch=$arch64 || subarch=$arch32
3942 check_64bit mips mips64 '_MIPS_SIM > 1'
3946 check_64bit parisc parisc64 'sizeof(void *) > 4'
3950 check_64bit ppc ppc64 'sizeof(void *) > 4'
3954 check_64bit s390 s390x 'sizeof(void *) > 4'
3958 check_64bit sparc sparc64 'sizeof(void *) > 4'
3962 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3963 # Treat x32 as x64 for now. Note it also needs spic=$shared
3964 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
3966 if test "$subarch" = "x86_64"; then
3971 check_cc <<EOF && subarch="ppc64"
3972 int test[(int)sizeof(char*) - 7];
3978 enabled spic && enable_weak pic
3984 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3985 enabled shared && add_ldflags -Wl,-brtl
3989 SLIB_INSTALL_NAME='$(SLIBNAME)'
3991 # soname not set on purpose
3995 prefix_default="/boot/common"
3996 network_extralibs="-lnetwork"
4000 SHFLAGS='-shared -Wl,-h,$$(@F)'
4001 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4002 network_extralibs="-lsocket -lnsl"
4003 # When using suncc to build, the Solaris linker will mark
4004 # an executable with each instruction set encountered by
4005 # the Solaris assembler. As our libraries contain their own
4006 # guards for processor-specific code, instead suppress
4007 # generation of the HWCAPS ELF section on Solaris x86 only.
4008 enabled_all suncc x86 &&
4009 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4010 add_ldflags -Wl,-M,mapfile
4011 nm_default='nm -P -g'
4015 oss_indev_extralibs="-lossaudio"
4016 oss_outdev_extralibs="-lossaudio"
4017 enabled gcc || check_ldflags -Wl,-zmuldefs
4022 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4024 oss_indev_extralibs="-lossaudio"
4025 oss_outdev_extralibs="-lossaudio"
4033 add_extralibs -lpoll -lgnugetopt
4037 enabled ppc && add_asflags -force_cpusubtype_ALL
4038 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4039 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4041 add_ldflags -Wl,-dynamic,-search_paths_first
4043 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4044 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4046 enabled x86_64 && objformat="macho64"
4047 enabled_any pic shared ||
4048 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4051 if test $target_os = "mingw32ce"; then
4057 if enabled x86_64; then
4058 LIBTARGET="i386:x86-64"
4059 elif enabled arm; then
4062 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4063 check_ldflags -Wl,--nxcompat
4064 check_ldflags -Wl,--dynamicbase
4065 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4066 shlibdir_default="$bindir_default"
4069 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4070 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4071 dlltool="${cross_prefix}dlltool"
4072 if check_cmd lib.exe -list; then
4073 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4074 if enabled x86_64; then
4077 elif check_cmd $dlltool --version; then
4078 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4080 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4082 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4083 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4084 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4091 if enabled shared; then
4092 # Link to the import library instead of the normal static library
4095 # Cannot build both shared and static libs with MSVC or icl.
4098 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4099 shlibdir_default="$bindir_default"
4102 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4103 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4104 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4105 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4107 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4108 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4109 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4116 shlibdir_default="$bindir_default"
4119 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4120 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4121 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4123 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4124 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4127 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4129 *-dos|freedos|opendos)
4130 network_extralibs="-lsocket"
4133 add_cppflags -U__STRICT_ANSI__
4140 ranlib="echo ignoring ranlib"
4146 add_cppflags -D_GNU_SOURCE
4147 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4148 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4152 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4153 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4154 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4155 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
4156 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4157 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4158 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4159 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
4160 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4161 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4162 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4164 enable_weak os2threads
4167 add_cppflags -D_BSD_SOURCE
4172 add_cppflags -D_QNX_SOURCE
4173 network_extralibs="-lsocket"
4178 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4179 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4180 add_ldflags -Wl,--target1-abs,--no-undefined \
4181 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4182 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4183 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4184 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4185 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4188 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4193 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4194 -D_REENTRANT_SOURCE \
4195 -D_RESEARCH_SOURCE \
4198 add_compat strtod.o strtod=avpriv_strtod
4199 network_extralibs='-lbsd'
4200 exeobjs=compat/plan9/main.o
4207 die "Unknown OS '$target_os'."
4211 # determine libc flavour
4216 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4217 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4218 eval ${pfx}libc_type=uclibc
4219 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4220 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4221 eval ${pfx}libc_type=glibc
4222 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4223 # MinGW headers can be installed on Cygwin, so check for newlib first.
4224 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4225 eval ${pfx}libc_type=newlib
4226 add_${pfx}cppflags -U__STRICT_ANSI__
4227 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4228 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4229 eval ${pfx}libc_type=mingw64
4230 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4231 add_compat msvcrt/snprintf.o
4232 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4234 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4235 eval test \$${pfx_no_}cc_type = "gcc" &&
4236 add_${pfx}cppflags -D__printf__=__gnu_printf__
4237 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4238 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4239 eval ${pfx}libc_type=mingw32
4240 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4241 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4242 die "ERROR: MinGW32 runtime version must be >= 3.15."
4243 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4244 eval test \$${pfx_no_}cc_type = "gcc" &&
4245 add_${pfx}cppflags -D__printf__=__gnu_printf__
4246 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4247 eval ${pfx}libc_type=msvcrt
4248 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4249 # 0x601 by default unless something else is set by the user.
4250 # This can easily lead to us detecting functions only present
4251 # in such new versions and producing binaries requiring windows 7.0.
4252 # Therefore explicitly set the default to XP unless the user has
4253 # set something else on the command line.
4254 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4255 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4256 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4257 eval ${pfx}libc_type=klibc
4258 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4259 eval ${pfx}libc_type=bionic
4260 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4261 eval ${pfx}libc_type=solaris
4262 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4264 check_${pfx}cc <<EOF
4266 void *v = localtime_r;
4268 test "$?" != 0 && check_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4270 void *v = localtime_r;
4276 test -n "$libc_type" && enable libc_$libc_type
4278 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4282 add_compat strtod.o strtod=avpriv_strtod
4285 add_compat strtod.o strtod=avpriv_strtod
4286 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4287 _snprintf=avpriv_snprintf \
4288 vsnprintf=avpriv_vsnprintf
4292 # hacks for compiler/libc/os combinations
4294 if enabled_all tms470 libc_glibc; then
4295 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4296 add_cppflags -D__USER_LABEL_PREFIX__=
4297 add_cppflags -D__builtin_memset=memset
4298 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4299 add_cflags -pds=48 # incompatible redefinition of macro
4302 if enabled_all ccc libc_glibc; then
4303 add_ldflags -Wl,-z,now # calls to libots crash without this
4306 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4307 add_cppflags '-I\$(SRC_PATH)/compat/float'
4310 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4313 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4315 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4317 set_default $PATHS_LIST
4320 # we need to build at least one lib type
4321 if ! enabled_any static shared; then
4323 At least one library type must be built.
4324 Specify --enable-static to build the static libraries or --enable-shared to
4325 build the shared libraries as well. To only build the shared libraries specify
4326 --disable-static in addition to --enable-shared.
4331 die_license_disabled() {
4332 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4335 die_license_disabled_gpl() {
4336 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4339 die_license_disabled gpl frei0r
4340 die_license_disabled gpl libcdio
4341 die_license_disabled gpl libsmbclient
4342 die_license_disabled gpl libutvideo
4343 die_license_disabled gpl libvidstab
4344 die_license_disabled gpl libx264
4345 die_license_disabled gpl libx265
4346 die_license_disabled gpl libxavs
4347 die_license_disabled gpl libxvid
4348 die_license_disabled gpl libzvbi
4349 die_license_disabled gpl x11grab
4351 die_license_disabled nonfree libaacplus
4352 die_license_disabled nonfree libfaac
4353 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4354 enabled gpl && die_license_disabled_gpl nonfree openssl
4356 die_license_disabled version3 libopencore_amrnb
4357 die_license_disabled version3 libopencore_amrwb
4358 die_license_disabled version3 libsmbclient
4359 die_license_disabled version3 libvo_aacenc
4360 die_license_disabled version3 libvo_amrwbenc
4362 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4364 disabled optimizations || check_cflags -fomit-frame-pointer
4367 disabled pic && return
4370 case "$target_os" in
4380 enabled pic && enable_weak_pic
4382 check_cc <<EOF || die "Symbol mangling check failed."
4385 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4386 extern_prefix=${sym%%ff_extern*}
4388 check_cc <<EOF && enable_weak inline_asm
4389 void foo(void) { __asm__ volatile ("" ::); }
4393 for restrict_keyword in restrict __restrict__ __restrict; do
4394 check_cc <<EOF && _restrict=$restrict_keyword && break
4395 void foo(char * $restrict_keyword p);
4399 check_cc <<EOF && enable pragma_deprecated
4400 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4403 check_cc <<EOF && enable attribute_packed
4404 struct { int x; } __attribute__((packed)) x;
4407 check_cc <<EOF && enable attribute_may_alias
4408 union { int x; } __attribute__((may_alias)) x;
4411 check_cc <<EOF || die "endian test failed"
4412 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4414 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4416 if [ "$cpu" = "power7" ] || [ "$cpu" = "power8" ] ;then
4417 if ! enabled bigendian && enabled altivec ;then
4423 log "check_gas using '$as' as AS"
4424 # :vararg is used on aarch64, arm and ppc altivec
4425 check_as <<EOF || return 1
4426 .macro m n, y:vararg=0
4431 # .altmacro is only used in arm asm
4432 ! enabled arm || check_as <<EOF || return 1
4439 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4441 enabled_any arm aarch64 && nogas=die
4442 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4446 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4447 gcc) gaspp_as_type=gas ;;
4448 *) gaspp_as_type=$as_type ;;
4451 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4453 test "${as#*gas-preprocessor.pl}" != "$as" ||
4454 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4455 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4457 if ! check_gas ; then
4460 $nogas "GNU assembler not found, install/update gas-preprocessor"
4463 check_as <<EOF && enable as_func
4469 check_inline_asm inline_asm_labels '"1:\n"'
4471 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4473 if enabled aarch64; then
4474 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4475 # internal assembler in clang 3.3 does not support this instruction
4476 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4477 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4479 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4481 elif enabled alpha; then
4485 elif enabled arm; then
4487 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4488 float func(float a, float b){ return a+b; }
4491 enabled thumb && check_cflags -mthumb || check_cflags -marm
4493 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4495 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4496 case "${cross_prefix:-$cc}" in
4497 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4498 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4499 __asm__ (".eabi_attribute 28, 1");
4500 int main(void) { return 0; }
4503 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4506 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4507 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4508 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4509 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4510 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4511 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4512 enabled setend && check_insn setend 'setend be'
4514 [ $target_os = linux ] || [ $target_os = android ] ||
4515 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4518 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4520 check_as <<EOF && enable as_dn_directive
4525 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4527 elif enabled mips; then
4529 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4530 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
4531 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
4532 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4533 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4534 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4535 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4536 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4537 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4539 elif enabled parisc; then
4541 if enabled gcc; then
4542 case $($cc -dumpversion) in
4543 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
4547 elif enabled ppc; then
4549 enable local_aligned_8 local_aligned_16 local_aligned_32
4551 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4552 check_inline_asm ibm_asm '"add 0, 0, 0"'
4553 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4554 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4556 # AltiVec flags: The FSF version of GCC differs from the Apple version
4557 if enabled altivec; then
4558 check_cflags -maltivec -mabi=altivec &&
4559 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4560 check_cflags -faltivec
4562 # check if our compiler supports Motorola AltiVec C API
4563 check_cc <<EOF || disable altivec
4566 vector signed int v1 = (vector signed int) { 0 };
4567 vector signed int v2 = (vector signed int) { 1 };
4568 v1 = vec_add(v1, v2);
4573 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4576 if enabled vsx; then
4579 elif enabled x86; then
4581 check_builtin rdtsc intrin.h "__rdtsc()"
4582 check_builtin mm_empty mmintrin.h "_mm_empty()"
4584 enable local_aligned_8 local_aligned_16 local_aligned_32
4586 # check whether EBP is available on x86
4587 # As 'i' is stored on the stack, this program will crash
4588 # if the base pointer is used to access it because the
4589 # base pointer is cleared in the inline assembly code.
4590 check_exec_crash <<EOF && enable ebp_available
4592 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4596 # check whether EBX is available on x86
4597 check_inline_asm ebx_available '""::"b"(0)' &&
4598 check_inline_asm ebx_available '"":::"%ebx"'
4600 # check whether xmm clobbers are supported
4601 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4603 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4604 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4606 # check whether binutils is new enough to compile SSSE3/MMXEXT
4607 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4608 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4610 if ! disabled_any asm mmx yasm; then
4611 if check_cmd $yasmexe --version; then
4612 enabled x86_64 && yasm_extra="-m amd64"
4613 yasm_debug="-g dwarf2"
4614 elif check_cmd nasm -v; then
4616 yasm_debug="-g -F dwarf"
4617 if enabled x86_64; then
4618 case "$objformat" in
4619 elf) objformat=elf64 ;;
4620 win32) objformat=win64 ;;
4625 YASMFLAGS="-f $objformat $yasm_extra"
4626 enabled pic && append YASMFLAGS "-DPIC"
4627 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4628 case "$objformat" in
4629 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4632 check_yasm "movbe ecx, [5]" && enable yasm ||
4633 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4634 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4635 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4636 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4637 check_yasm "CPU amdnop" || disable cpunop
4641 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4648 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4650 check_ldflags -Wl,--as-needed
4651 check_ldflags -Wl,-z,noexecstack
4653 if check_func dlopen; then
4655 elif check_func dlopen -ldl; then
4659 frei0r_filter_extralibs='$ldl'
4660 frei0r_src_filter_extralibs='$ldl'
4661 ladspa_filter_extralibs='$ldl'
4663 if ! disabled network; then
4664 check_func getaddrinfo $network_extralibs
4665 check_func getservbyport $network_extralibs
4666 check_func inet_aton $network_extralibs
4668 check_type netdb.h "struct addrinfo"
4669 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4670 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4671 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4672 check_type poll.h "struct pollfd"
4673 check_type netinet/sctp.h "struct sctp_event_subscribe"
4674 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4675 check_type netinet/in.h "struct sockaddr_in6"
4676 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4677 check_type "sys/types.h sys/socket.h" socklen_t
4679 # Prefer arpa/inet.h over winsock2
4680 if check_header arpa/inet.h ; then
4681 check_func closesocket
4682 elif check_header winsock2.h ; then
4683 check_func_headers winsock2.h closesocket -lws2 &&
4684 network_extralibs="-lws2" ||
4685 { check_func_headers winsock2.h closesocket -lws2_32 &&
4686 network_extralibs="-lws2_32"; } || disable winsock2_h network
4687 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4689 check_type ws2tcpip.h socklen_t
4690 check_type ws2tcpip.h "struct addrinfo"
4691 check_type ws2tcpip.h "struct group_source_req"
4692 check_type ws2tcpip.h "struct ip_mreq_source"
4693 check_type ws2tcpip.h "struct ipv6_mreq"
4694 check_type winsock2.h "struct pollfd"
4695 check_struct winsock2.h "struct sockaddr" sa_len
4696 check_type ws2tcpip.h "struct sockaddr_in6"
4697 check_type ws2tcpip.h "struct sockaddr_storage"
4703 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4704 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
4705 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4706 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4707 check_builtin sarestart signal.h "SA_RESTART"
4708 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4710 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4711 check_func ${malloc_prefix}memalign && enable memalign
4712 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4715 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4718 check_func gethrtime
4720 check_func getrusage
4721 check_func gettimeofday
4724 check_func localtime_r
4725 check_func mach_absolute_time
4729 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4730 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4731 check_func sched_getaffinity
4732 check_func setrlimit
4733 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4734 check_func strerror_r
4739 check_func_headers conio.h kbhit
4740 check_func_headers io.h setmode
4741 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4742 check_func_headers stdlib.h getenv
4744 check_func_headers windows.h CoTaskMemFree -lole32
4745 check_func_headers windows.h GetProcessAffinityMask
4746 check_func_headers windows.h GetProcessTimes
4747 check_func_headers windows.h GetSystemTimeAsFileTime
4748 check_func_headers windows.h MapViewOfFile
4749 check_func_headers windows.h MoveFileExA
4750 check_func_headers windows.h PeekNamedPipe
4751 check_func_headers windows.h SetConsoleTextAttribute
4752 check_func_headers windows.h Sleep
4753 check_func_headers windows.h VirtualAlloc
4754 check_struct windows.h "CONDITION_VARIABLE" Ptr
4755 check_func_headers glob.h glob
4757 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4759 check_header cl/cl.h
4760 check_header direct.h
4761 check_header dlfcn.h
4763 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4765 check_header libcrystalhd/libcrystalhd_if.h
4766 check_header mach/mach_time.h
4767 check_header malloc.h
4768 check_header net/udplite.h
4770 check_header sys/mman.h
4771 check_header sys/param.h
4772 check_header sys/resource.h
4773 check_header sys/select.h
4774 check_header sys/time.h
4775 check_header sys/un.h
4776 check_header termios.h
4777 check_header unistd.h
4778 check_header vdpau/vdpau.h
4779 check_header vdpau/vdpau_x11.h
4780 check_header VideoDecodeAcceleration/VDADecoder.h
4781 check_header windows.h
4782 check_header X11/extensions/XvMClib.h
4783 check_header asm/types.h
4785 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4786 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4787 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4789 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4791 if ! disabled w32threads && ! enabled pthreads; then
4792 check_func_headers "windows.h process.h" _beginthreadex &&
4793 enable w32threads || disable w32threads
4796 # check for some common methods of building with pthread support
4797 # do this before the optional library checks as some of them require pthreads
4798 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4800 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4802 add_extralibs -pthread
4803 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4804 add_cflags -pthreads
4805 add_extralibs -pthreads
4806 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
4807 add_cflags -ldl -pthread
4808 add_extralibs -ldl -pthread
4809 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4810 add_extralibs -lpthreadGC2
4811 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4813 elif ! check_func pthread_join && ! check_func pthread_create; then
4816 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
4820 if enabled pthreads; then
4821 check_func pthread_cancel
4824 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4825 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4826 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
4828 check_lib math.h sin -lm && LIBM="-lm"
4829 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4835 for func in $MATH_FUNCS; do
4836 eval check_mathfunc $func \${${func}_args:-1}
4839 # these are off by default, so fail if requested and not available
4840 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
4841 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4842 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4843 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4844 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
4845 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4846 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4847 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4848 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4849 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4850 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4851 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
4852 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4853 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4854 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4855 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4856 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4857 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4858 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4859 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"
4860 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4861 enabled fontconfig && enable libfontconfig
4862 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4863 enabled libfreetype && require_libfreetype
4864 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
4865 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4866 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4867 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4868 done || die "ERROR: libgsm not found"; }
4869 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4870 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
4871 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4872 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4873 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4874 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4875 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4876 enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||
4877 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4878 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4879 die "ERROR: libopenjpeg not found"; }
4880 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4881 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
4882 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4883 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4884 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4885 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4886 enabled libsmbclient && { check_pkg_config smbclient libsmbclient.h smbc_init ||
4887 require smbclient libsmbclient.h smbc_init -lsmbclient; }
4888 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4889 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4890 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
4891 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4892 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4893 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4894 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4895 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4896 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4897 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4898 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4899 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4900 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
4901 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4902 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4903 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4905 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4906 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4907 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 ||
4908 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4909 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4910 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx || disable libvpx_vp9_encoder; } }
4911 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4912 enabled libwebp && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
4913 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
4914 { require libx264 x264.h x264_encoder_encode -lx264 &&
4915 warn "using libx264 without pkg-config"; } } &&
4916 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4917 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4918 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
4919 { check_cpp_condition x265.h "X265_BUILD >= 17" ||
4920 die "ERROR: libx265 version must be >= 17."; }
4921 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4922 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4923 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4924 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4925 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4926 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4927 die "ERROR: openal not found"; } &&
4928 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4929 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4930 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4931 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4932 die "ERROR: opencl not found"; } &&
4933 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4934 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4935 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4936 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
4937 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
4938 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
4939 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
4940 die "ERROR: opengl not found."
4942 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4943 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4944 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4945 die "ERROR: openssl not found"; }
4946 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
4948 if enabled gnutls; then
4949 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4950 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4954 if enabled libdc1394; then
4955 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4956 enable libdc1394_2; } ||
4957 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4958 enable libdc1394_1; } ||
4959 die "ERROR: No version of libdc1394 found "
4961 if ! disabled sdl; then
4962 SDL_CONFIG="${cross_prefix}sdl-config"
4963 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4964 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4965 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4968 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4969 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4970 sdl_libs=$("${SDL_CONFIG}" --libs)
4971 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4972 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4973 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4975 elif enabled sdl ; then
4976 die "ERROR: SDL not found"
4982 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4984 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4985 enabled makeinfo && (makeinfo --version | \
4986 grep -q 'makeinfo (GNU texinfo) 5' > /dev/null 2>&1) \
4987 && enable makeinfo_html || disable makeinfo_html
4988 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4989 perl -v > /dev/null 2>&1 && enable perl || disable perl
4990 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4991 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4993 check_header linux/fb.h
4994 check_header linux/videodev.h
4995 check_header linux/videodev2.h
4996 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4998 check_header sys/videoio.h
4999 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5001 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5002 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5003 # w32api 3.12 had it defined wrong
5004 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5006 check_type "dshow.h" IBaseFilter
5008 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5009 { check_header dev/bktr/ioctl_meteor.h &&
5010 check_header dev/bktr/ioctl_bt848.h; } ||
5011 { check_header machine/ioctl_meteor.h &&
5012 check_header machine/ioctl_bt848.h; } ||
5013 { check_header dev/video/meteor/ioctl_meteor.h &&
5014 check_header dev/video/bktr/ioctl_bt848.h; } ||
5015 check_header dev/ic/bt8xx.h
5017 check_header sndio.h
5018 if check_struct sys/soundcard.h audio_buf_info bytes; then
5019 enable_safe sys/soundcard.h
5021 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5022 #include <sys/soundcard.h>
5026 check_header soundcard.h
5028 enabled_any alsa_indev alsa_outdev &&
5029 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5031 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
5032 check_func jack_port_get_latency_range -ljack
5034 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5036 if enabled libcdio; then
5037 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5038 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5039 die "ERROR: libcdio-paranoia not found"
5043 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5045 if ! disabled libxcb; then
5046 check_pkg_config xcb xcb/xcb.h xcb_connect || {
5047 enabled libxcb && die "ERROR: libxcb not found";
5048 } && disable x11grab && enable libxcb
5050 if enabled libxcb; then
5051 disabled libxcb_shm || {
5052 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5053 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5054 } && check_header sys/shm.h && enable libxcb_shm; }
5056 disabled libxcb_xfixes || {
5057 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5058 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5059 } && enable libxcb_xfixes; }
5061 disabled libxcb_shape || {
5062 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5063 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5064 } && enable libxcb_shape; }
5066 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5067 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5071 if enabled x11grab; then
5072 enabled xlib || die "ERROR: Xlib not found"
5073 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5074 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5077 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5079 enabled dxva2api_h &&
5080 check_cc <<EOF && enable dxva2api_cobj
5081 #define _WIN32_WINNT 0x0600
5083 #include <windows.h>
5085 #include <dxva2api.h>
5086 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5090 check_lib va/va.h vaInitialize -lva ||
5094 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5097 enabled vdpau && enabled xlib &&
5098 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5099 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5102 # Funny iconv installations are not unusual, so check it after all flags have been set
5103 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5105 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5107 # add some useful compiler flags if supported
5108 check_cflags -Wdeclaration-after-statement
5110 check_cflags -Wdisabled-optimization
5111 check_cflags -Wpointer-arith
5112 check_cflags -Wredundant-decls
5113 check_cflags -Wwrite-strings
5114 check_cflags -Wtype-limits
5115 check_cflags -Wundef
5116 check_cflags -Wmissing-prototypes
5117 check_cflags -Wno-pointer-to-int-cast
5118 check_cflags -Wstrict-prototypes
5119 check_cflags -Wempty-body
5120 enabled extra_warnings && check_cflags -Winline
5122 check_disable_warning(){
5123 warning_flag=-W${1#-Wno-}
5124 test_cflags $warning_flag && add_cflags $1
5127 check_disable_warning -Wno-parentheses
5128 check_disable_warning -Wno-switch
5129 check_disable_warning -Wno-format-zero-length
5130 check_disable_warning -Wno-pointer-sign
5132 # add some linker flags
5133 check_ldflags -Wl,--warn-common
5134 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5135 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5136 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5138 # add some strip flags
5139 # -wN '..@*' is more selective than -x, but not available everywhere.
5140 check_stripflags -wN \'..@*\' || check_stripflags -x
5142 enabled neon_clobber_test &&
5143 check_ldflags -Wl,--wrap,avcodec_open2 \
5144 -Wl,--wrap,avcodec_decode_audio4 \
5145 -Wl,--wrap,avcodec_decode_video2 \
5146 -Wl,--wrap,avcodec_decode_subtitle2 \
5147 -Wl,--wrap,avcodec_encode_audio2 \
5148 -Wl,--wrap,avcodec_encode_video2 \
5149 -Wl,--wrap,avcodec_encode_subtitle \
5150 -Wl,--wrap,swr_convert \
5151 -Wl,--wrap,avresample_convert ||
5152 disable neon_clobber_test
5154 enabled xmm_clobber_test &&
5155 check_ldflags -Wl,--wrap,avcodec_open2 \
5156 -Wl,--wrap,avcodec_decode_audio4 \
5157 -Wl,--wrap,avcodec_decode_video2 \
5158 -Wl,--wrap,avcodec_decode_subtitle2 \
5159 -Wl,--wrap,avcodec_encode_audio2 \
5160 -Wl,--wrap,avcodec_encode_video \
5161 -Wl,--wrap,avcodec_encode_video2 \
5162 -Wl,--wrap,avcodec_encode_subtitle \
5163 -Wl,--wrap,swr_convert \
5164 -Wl,--wrap,avresample_convert \
5165 -Wl,--wrap,sws_scale ||
5166 disable xmm_clobber_test
5169 if test_ldflags -Wl,--version-script,$TMPV; then
5170 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5171 check_cc <<EOF && enable symver_asm_label
5172 void ff_foo(void) __asm__ ("av_foo@VERSION");
5173 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5175 check_cc <<EOF && enable symver_gnu_asm
5176 __asm__(".symver ff_foo,av_foo@VERSION");
5177 void ff_foo(void) {}
5181 if [ -z "$optflags" ]; then
5182 if enabled small; then
5183 optflags=$cflags_size
5184 elif enabled optimizations; then
5185 optflags=$cflags_speed
5187 optflags=$cflags_noopt
5193 enabled lto && check_ldflags "$@"
5197 if enabled lto; then
5198 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5200 check_ldflags -flto $cpuflags
5201 disable inline_asm_direct_symbol_refs
5204 check_optflags $optflags
5205 check_optflags -fno-math-errno
5206 check_optflags -fno-signed-zeros
5208 enabled ftrapv && check_cflags -ftrapv
5210 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5215 if enabled icc; then
5216 # Just warnings, no remarks
5218 # -wd: Disable following warnings
5219 # 144, 167, 556: -Wno-pointer-sign
5220 # 188: enumerated type mixed with another type
5221 # 1292: attribute "foo" ignored
5222 # 1419: external declaration in primary source file
5223 # 10006: ignoring unknown option -fno-signed-zeros
5224 # 10148: ignoring unknown option -Wno-parentheses
5225 # 10156: ignoring option '-W'; no argument required
5226 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
5227 # 11030: Warning unknown option --as-needed
5228 # 10156: ignoring option '-export'; no argument required
5229 check_ldflags -wd10156,11030
5230 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5231 enable ebp_available
5232 # The test above does not test linking
5233 enabled lto && disable symver_asm_label
5234 if enabled x86_32; then
5235 icc_version=$($cc -dumpversion)
5236 test ${icc_version%%.*} -ge 11 &&
5237 check_cflags -falign-stack=maintain-16-byte ||
5238 disable aligned_stack
5240 elif enabled ccc; then
5241 # disable some annoying warnings
5242 add_cflags -msg_disable bitnotint
5243 add_cflags -msg_disable mixfuncvoid
5244 add_cflags -msg_disable nonstandcast
5245 add_cflags -msg_disable unsupieee
5246 elif enabled gcc; then
5247 check_optflags -fno-tree-vectorize
5248 check_cflags -Werror=format-security
5249 check_cflags -Werror=implicit-function-declaration
5250 check_cflags -Werror=missing-prototypes
5251 check_cflags -Werror=return-type
5252 check_cflags -Werror=vla
5253 check_cflags -Wformat
5254 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5255 elif enabled llvm_gcc; then
5256 check_cflags -mllvm -stack-alignment=16
5257 elif enabled clang; then
5258 check_cflags -mllvm -stack-alignment=16
5259 check_cflags -Qunused-arguments
5260 check_cflags -Werror=implicit-function-declaration
5261 check_cflags -Werror=missing-prototypes
5262 check_cflags -Werror=return-type
5263 elif enabled cparser; then
5264 add_cflags -Wno-missing-variable-declarations
5265 add_cflags -Wno-empty-statement
5266 elif enabled armcc; then
5267 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5268 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5269 # 2523: use of inline assembly is deprecated
5270 add_cflags -W${armcc_opt},--diag_suppress=2523
5271 add_cflags -W${armcc_opt},--diag_suppress=1207
5272 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5273 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5274 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5275 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5276 elif enabled tms470; then
5277 add_cflags -pds=824 -pds=837
5279 elif enabled pathscale; then
5280 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5281 elif enabled_any msvc icl; then
5282 enabled x86_32 && disable aligned_stack
5283 enabled_all x86_32 debug && add_cflags -Oy-
5284 enabled debug && add_ldflags -debug
5285 enable pragma_deprecated
5286 if enabled icl; then
5287 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5288 # (correctly) on icl 13.x.
5289 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5290 add_cflags -Qansi-alias
5291 # Some inline asm is not compilable in debug
5292 if enabled debug; then
5293 disable ebp_available
5294 disable ebx_available
5297 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 onwards actually has log2.
5298 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5303 add_asflags -Qunused-arguments
5309 check_ldflags -Qunused-arguments
5315 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5318 add_cppflags -Dmain=plan9_main
5322 enable frame_thread_encoder
5324 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5326 check_deps $CONFIG_LIST \
5331 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"
5334 if test $target_os = "haiku"; then
5336 disable posix_memalign
5339 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5340 prepend ffmpeg_libs $($ldflags_filter "-lole32") &&
5343 ! enabled_any memalign posix_memalign aligned_malloc &&
5344 enabled simd_align_16 && enable memalign_hack
5347 # -> enable ${lib}_deps_${dep}
5348 # -> add $dep to ${lib}_deps only once
5352 enabled "${lib}_deps_${dep}" && return 0
5353 enable "${lib}_deps_${dep}"
5354 prepend "${lib}_deps" $dep
5357 # merge deps lib components
5358 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5363 enabled $comp || continue
5364 eval "dep=\"\$${comp}_deps\""
5371 merge_deps libavfilter $FILTER_LIST
5373 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5375 for thread in $THREADS_LIST; do
5376 if enabled $thread; then
5377 test -n "$thread_type" &&
5378 die "ERROR: Only one thread type must be selected." ||
5379 thread_type="$thread"
5383 enabled zlib && add_cppflags -DZLIB_CONST
5385 # conditional library dependencies, in linking order
5386 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5387 enabled aresample_filter && prepend avfilter_deps "swresample"
5388 enabled asyncts_filter && prepend avfilter_deps "avresample"
5389 enabled atempo_filter && prepend avfilter_deps "avcodec"
5390 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5391 enabled elbg_filter && prepend avfilter_deps "avcodec"
5392 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5393 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5394 enabled mp_filter && prepend avfilter_deps "avcodec"
5395 enabled pan_filter && prepend avfilter_deps "swresample"
5396 enabled pp_filter && prepend avfilter_deps "postproc"
5397 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5398 enabled resample_filter && prepend avfilter_deps "avresample"
5399 enabled sab_filter && prepend avfilter_deps "swscale"
5400 enabled scale_filter && prepend avfilter_deps "swscale"
5401 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5402 enabled smartblur_filter && prepend avfilter_deps "swscale"
5403 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5405 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5407 enabled opus_decoder && prepend avcodec_deps "swresample"
5411 eval "deps=\$$lib_deps"
5412 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5416 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5417 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5419 map 'expand_deps $v' $LIBRARY_LIST
5421 echo "install prefix $prefix"
5422 echo "source path $source_path"
5423 echo "C compiler $cc"
5424 echo "C library $libc_type"
5425 if test "$host_cc" != "$cc"; then
5426 echo "host C compiler $host_cc"
5427 echo "host C library $host_libc_type"
5429 echo "ARCH $arch ($cpu)"
5430 if test "$build_suffix" != ""; then
5431 echo "build suffix $build_suffix"
5433 if test "$progs_suffix" != ""; then
5434 echo "progs suffix $progs_suffix"
5436 if test "$extra_version" != ""; then
5437 echo "version string suffix $extra_version"
5439 echo "big-endian ${bigendian-no}"
5440 echo "runtime cpu detection ${runtime_cpudetect-no}"
5441 if enabled x86; then
5442 echo "${yasmexe} ${yasm-no}"
5443 echo "MMX enabled ${mmx-no}"
5444 echo "MMXEXT enabled ${mmxext-no}"
5445 echo "3DNow! enabled ${amd3dnow-no}"
5446 echo "3DNow! extended enabled ${amd3dnowext-no}"
5447 echo "SSE enabled ${sse-no}"
5448 echo "SSSE3 enabled ${ssse3-no}"
5449 echo "AVX enabled ${avx-no}"
5450 echo "XOP enabled ${xop-no}"
5451 echo "FMA3 enabled ${fma3-no}"
5452 echo "FMA4 enabled ${fma4-no}"
5453 echo "i686 features enabled ${i686-no}"
5454 echo "CMOV is fast ${fast_cmov-no}"
5455 echo "EBX available ${ebx_available-no}"
5456 echo "EBP available ${ebp_available-no}"
5458 if enabled aarch64; then
5459 echo "NEON enabled ${neon-no}"
5460 echo "VFP enabled ${vfp-no}"
5462 if enabled arm; then
5463 echo "ARMv5TE enabled ${armv5te-no}"
5464 echo "ARMv6 enabled ${armv6-no}"
5465 echo "ARMv6T2 enabled ${armv6t2-no}"
5466 echo "VFP enabled ${vfp-no}"
5467 echo "NEON enabled ${neon-no}"
5468 echo "THUMB enabled ${thumb-no}"
5470 if enabled mips; then
5471 echo "MIPS FPU enabled ${mipsfpu-no}"
5472 echo "MIPS32R2 enabled ${mips32r2-no}"
5473 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5474 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5476 if enabled ppc; then
5477 echo "AltiVec enabled ${altivec-no}"
5478 echo "PPC 4xx optimizations ${ppc4xx-no}"
5479 echo "PPC VSX optimizations ${vsx-no}"
5480 echo "dcbzl available ${dcbzl-no}"
5482 echo "debug symbols ${debug-no}"
5483 echo "strip symbols ${stripping-no}"
5484 echo "optimize for size ${small-no}"
5485 echo "optimizations ${optimizations-no}"
5486 echo "static ${static-no}"
5487 echo "shared ${shared-no}"
5488 echo "postprocessing support ${postproc-no}"
5489 echo "new filter support ${avfilter-no}"
5490 echo "network support ${network-no}"
5491 echo "threading support ${thread_type-no}"
5492 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5493 echo "SDL support ${sdl-no}"
5494 echo "opencl enabled ${opencl-no}"
5495 echo "texi2html enabled ${texi2html-no}"
5496 echo "perl enabled ${perl-no}"
5497 echo "pod2man enabled ${pod2man-no}"
5498 echo "makeinfo enabled ${makeinfo-no}"
5499 echo "makeinfo supports HTML ${makeinfo_html-no}"
5500 test -n "$random_seed" &&
5501 echo "random seed ${random_seed}"
5504 echo "External libraries:"
5505 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5508 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5509 echo "Enabled ${type}s:"
5510 eval list=\$$(toupper $type)_LIST
5511 print_enabled '_*' $list | print_3_columns
5515 license="LGPL version 2.1 or later"
5516 if enabled nonfree; then
5517 license="nonfree and unredistributable"
5518 elif enabled gplv3; then
5519 license="GPL version 3 or later"
5520 elif enabled lgplv3; then
5521 license="LGPL version 3 or later"
5522 elif enabled gpl; then
5523 license="GPL version 2 or later"
5526 echo "License: $license"
5528 echo "Creating config.mak, config.h, and doc/config.texi..."
5530 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5532 enabled stripping || strip="echo skipping strip"
5534 config_files="$TMPH config.mak doc/config.texi"
5536 cat > config.mak <<EOF
5537 # Automatically generated by configure - do not modify!
5538 ifndef FFMPEG_CONFIG_MAK
5540 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5542 LIBDIR=\$(DESTDIR)$libdir
5543 SHLIBDIR=\$(DESTDIR)$shlibdir
5544 INCDIR=\$(DESTDIR)$incdir
5545 BINDIR=\$(DESTDIR)$bindir
5546 DATADIR=\$(DESTDIR)$datadir
5547 DOCDIR=\$(DESTDIR)$docdir
5548 MANDIR=\$(DESTDIR)$mandir
5549 SRC_PATH=$source_path
5550 ifndef MAIN_MAKEFILE
5551 SRC_PATH:=\$(SRC_PATH:.%=..%)
5555 INTRINSICS=$intrinsics
5561 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5563 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5592 LDEXEFLAGS=$LDEXEFLAGS
5593 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5594 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5595 YASMFLAGS=$YASMFLAGS
5596 BUILDSUF=$build_suffix
5597 PROGSSUF=$progs_suffix
5605 EXTRA_VERSION=$extra_version
5608 CCDEP_FLAGS=$CCDEP_FLAGS
5610 ASDEP_FLAGS=$ASDEP_FLAGS
5611 CC_DEPFLAGS=$CC_DEPFLAGS
5612 AS_DEPFLAGS=$AS_DEPFLAGS
5615 HOSTCFLAGS=$host_cflags
5616 HOSTCPPFLAGS=$host_cppflags
5617 HOSTEXESUF=$HOSTEXESUF
5618 HOSTLDFLAGS=$host_ldflags
5621 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5622 HOSTCCDEP=$HOSTCCDEP
5623 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5624 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5628 TARGET_EXEC=$target_exec $target_exec_args
5629 TARGET_PATH=$target_path
5630 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5631 CFLAGS-ffplay=$sdl_cflags
5632 ZLIB=$($ldflags_filter -lz)
5633 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5634 EXTRALIBS=$extralibs
5635 COMPAT_OBJS=$compat_objs
5638 LIBTARGET=${LIBTARGET}
5639 SLIBNAME=${SLIBNAME}
5640 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5641 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5642 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5643 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5644 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5645 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5646 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5647 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5648 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5649 NOREDZONE_FLAGS=$noredzone_flags
5654 name=$(toupper $lcname)
5655 file=$source_path/$lcname/version.h
5656 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5657 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5658 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5659 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5660 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5661 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5664 map 'get_version $v' $LIBRARY_LIST
5666 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
5668 print_program_libs(){
5669 eval "program_libs=\$${1}_libs"
5670 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5673 map 'print_program_libs $v' $PROGRAM_LIST
5676 /* Automatically generated by configure - do not modify! */
5677 #ifndef FFMPEG_CONFIG_H
5678 #define FFMPEG_CONFIG_H
5679 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5680 #define FFMPEG_LICENSE "$(c_escape $license)"
5681 #define CONFIG_THIS_YEAR 2014
5682 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5683 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5684 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5685 #define av_restrict $_restrict
5686 #define EXTERN_PREFIX "${extern_prefix}"
5687 #define EXTERN_ASM ${extern_prefix}
5688 #define BUILDSUF "$build_suffix"
5689 #define SLIBSUF "$SLIBSUF"
5690 #define HAVE_MMX2 HAVE_MMXEXT
5691 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
5694 test -n "$assert_level" &&
5695 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5697 test -n "$malloc_prefix" &&
5698 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5700 if enabled yasm; then
5701 append config_files $TMPASM
5705 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5709 echo "@c auto-generated by configure" > doc/config.texi
5711 print_config ARCH_ "$config_files" $ARCH_LIST
5712 print_config HAVE_ "$config_files" $HAVE_LIST
5713 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5717 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5718 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5720 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5721 cp_if_changed $TMPH config.h
5724 enabled yasm && cp_if_changed $TMPASM config.asm
5727 /* Generated by ffconf */
5728 #ifndef AVUTIL_AVCONFIG_H
5729 #define AVUTIL_AVCONFIG_H
5732 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5734 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5736 cp_if_changed $TMPH libavutil/avconfig.h
5738 if test -n "$WARNINGS"; then
5739 printf "\n$WARNINGS"
5740 enabled fatal_warnings && exit 1
5743 # build pkg-config files
5746 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
5749 pkgconfig_generate(){
5751 shortname=${name#lib}${build_suffix}
5755 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
5756 requires=${requires%, }
5757 enabled ${name#lib} || return 0
5759 cat <<EOF > $name/$name${build_suffix}.pc
5761 exec_prefix=\${prefix}
5766 Description: $comment
5768 Requires: $(enabled shared || echo $requires)
5769 Requires.private: $(enabled shared && echo $requires)
5771 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5772 Libs.private: $(enabled shared && echo $libs)
5773 Cflags: -I\${includedir}
5776 mkdir -p doc/examples/pc-uninstalled
5777 includedir=${source_path}
5778 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5779 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5782 libdir=\${pcfiledir}/../../../$name
5783 includedir=${includedir}
5786 Description: $comment
5790 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5791 Cflags: -I\${includedir}
5795 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
5796 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
5797 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
5798 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
5799 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
5800 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
5801 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
5802 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
5803 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM"