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 [LIBDIR]
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 [autodetect]
137 --disable-w32threads disable Win32 threads [autodetect]
138 --disable-os2threads disable OS/2 threads [autodetect]
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, useful for drawtext filter [no]
198 --enable-frei0r enable frei0r video filtering [no]
199 --enable-gnutls enable gnutls, needed for https support
200 if openssl is not used [no]
201 --disable-iconv disable iconv [autodetect]
202 --enable-ladspa enable LADSPA audio filtering [no]
203 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
204 --enable-libass enable libass subtitles rendering,
205 needed for subtitles and ass filter [no]
206 --enable-libbluray enable BluRay reading using libbluray [no]
207 --enable-libbs2b enable bs2b DSP library [no]
208 --enable-libcaca enable textual display using libcaca [no]
209 --enable-libcelt enable CELT decoding via libcelt [no]
210 --enable-libcdio enable audio CD grabbing with libcdio [no]
211 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
213 --enable-libdcadec enable DCA decoding via libdcadec [no]
214 --enable-libfaac enable AAC encoding via libfaac [no]
215 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
216 --enable-libflite enable flite (voice synthesis) support via libflite [no]
217 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
218 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
219 --enable-libgme enable Game Music Emu via libgme [no]
220 --enable-libgsm enable GSM de/encoding via libgsm [no]
221 --enable-libiec61883 enable iec61883 via libiec61883 [no]
222 --enable-libilbc enable iLBC de/encoding via libilbc [no]
223 --enable-libmfx enable HW acceleration through libmfx
224 --enable-libmodplug enable ModPlug via libmodplug [no]
225 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
226 --enable-libnut enable NUT (de)muxing via libnut,
227 native (de)muxer exists [no]
228 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
229 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
230 --enable-libopencv enable video filtering via libopencv [no]
231 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
232 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
233 --enable-libopus enable Opus de/encoding via libopus [no]
234 --enable-libpulse enable Pulseaudio input via libpulse [no]
235 --enable-libquvi enable quvi input via libquvi [no]
236 --enable-librtmp enable RTMP[E] support via librtmp [no]
237 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
238 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
239 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
240 --enable-libsoxr enable Include libsoxr resampling [no]
241 --enable-libspeex enable Speex de/encoding via libspeex [no]
242 --enable-libssh enable SFTP protocol via libssh [no]
243 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
244 --enable-libtheora enable Theora encoding via libtheora [no]
245 --enable-libtwolame enable MP2 encoding via libtwolame [no]
246 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
247 --enable-libv4l2 enable libv4l2/v4l-utils [no]
248 --enable-libvidstab enable video stabilization using vid.stab [no]
249 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
250 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
251 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
252 native implementation exists [no]
253 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
254 --enable-libwavpack enable wavpack encoding via libwavpack [no]
255 --enable-libwebp enable WebP encoding via libwebp [no]
256 --enable-libx264 enable H.264 encoding via x264 [no]
257 --enable-libx265 enable HEVC encoding via x265 [no]
258 --enable-libxavs enable AVS encoding via xavs [no]
259 --enable-libxcb enable X11 grabbing using XCB [autodetect]
260 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
261 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
262 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
263 --enable-libxvid enable Xvid encoding via xvidcore,
264 native MPEG-4/Xvid encoder exists [no]
265 --enable-libzmq enable message passing via libzmq [no]
266 --enable-libzvbi enable teletext support via libzvbi [no]
267 --disable-lzma disable lzma [autodetect]
268 --enable-decklink enable Blackmagick DeckLink I/O support [no]
269 --enable-nvenc enable NVIDIA NVENC support [no]
270 --enable-openal enable OpenAL 1.1 capture support [no]
271 --enable-opencl enable OpenCL code
272 --enable-opengl enable OpenGL rendering [no]
273 --enable-openssl enable openssl, needed for https support
274 if gnutls is not used [no]
275 --disable-sdl disable sdl [autodetect]
276 --enable-x11grab enable X11 grabbing (legacy) [no]
277 --disable-xlib disable xlib [autodetect]
278 --disable-zlib disable zlib [autodetect]
281 --arch=ARCH select architecture [$arch]
282 --cpu=CPU select the minimum required CPU (affects
283 instruction selection, may crash on older CPUs)
284 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
285 --progs-suffix=SUFFIX program name suffix []
286 --enable-cross-compile assume a cross-compiler is used
287 --sysroot=PATH root of cross-build tree
288 --sysinclude=PATH location of cross-build system headers
289 --target-os=OS compiler targets OS [$target_os]
290 --target-exec=CMD command to run executables on target
291 --target-path=DIR path to view of build directory on target
292 --target-samples=DIR path to samples directory on target
293 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
294 --toolchain=NAME set tool defaults according to NAME
295 --nm=NM use nm tool NM [$nm_default]
296 --ar=AR use archive tool AR [$ar_default]
297 --as=AS use assembler AS [$as_default]
298 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
299 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
300 --cc=CC use C compiler CC [$cc_default]
301 --cxx=CXX use C compiler CXX [$cxx_default]
302 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
303 --ld=LD use linker LD [$ld_default]
304 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
305 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
306 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
307 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
308 --host-cc=HOSTCC use host C compiler HOSTCC
309 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
310 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
311 --host-ld=HOSTLD use host linker HOSTLD
312 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
313 --host-libs=HLIBS use libs HLIBS when linking for host
314 --host-os=OS compiler host OS [$target_os]
315 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
316 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
317 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
318 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
319 --extra-libs=ELIBS add ELIBS [$ELIBS]
320 --extra-version=STRING version string suffix []
321 --optflags=OPTFLAGS override optimization-related compiler flags
322 --build-suffix=SUFFIX library name suffix []
323 --enable-pic build position-independent code
324 --enable-thumb compile for Thumb instruction set
325 --enable-lto use link-time optimization
327 Advanced options (experts only):
328 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
329 --disable-symver disable symbol versioning
330 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
331 --disable-safe-bitstream-reader
332 disable buffer boundary checking in bitreaders
333 (faster, but may crash)
334 --enable-memalign-hack emulate memalign, interferes with memory debuggers
335 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
337 Optimization options (experts only):
338 --disable-asm disable all assembly optimizations
339 --disable-altivec disable AltiVec optimizations
340 --disable-amd3dnow disable 3DNow! optimizations
341 --disable-amd3dnowext disable 3DNow! extended optimizations
342 --disable-mmx disable MMX optimizations
343 --disable-mmxext disable MMXEXT optimizations
344 --disable-sse disable SSE optimizations
345 --disable-sse2 disable SSE2 optimizations
346 --disable-sse3 disable SSE3 optimizations
347 --disable-ssse3 disable SSSE3 optimizations
348 --disable-sse4 disable SSE4 optimizations
349 --disable-sse42 disable SSE4.2 optimizations
350 --disable-avx disable AVX optimizations
351 --disable-xop disable XOP optimizations
352 --disable-fma3 disable FMA3 optimizations
353 --disable-fma4 disable FMA4 optimizations
354 --disable-avx2 disable AVX2 optimizations
355 --disable-armv5te disable armv5te optimizations
356 --disable-armv6 disable armv6 optimizations
357 --disable-armv6t2 disable armv6t2 optimizations
358 --disable-vfp disable VFP optimizations
359 --disable-neon disable NEON optimizations
360 --disable-inline-asm disable use of inline assembly
361 --disable-yasm disable use of nasm/yasm assembly
362 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
363 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
364 --disable-mipsfpu disable floating point MIPS optimizations
365 --disable-fast-unaligned consider unaligned accesses slow
367 Developer options (useful when working on FFmpeg itself):
368 --disable-debug disable debugging symbols
369 --enable-debug=LEVEL set the debug level [$debuglevel]
370 --disable-optimizations disable compiler optimizations
371 --enable-extra-warnings enable more compiler warnings
372 --disable-stripping disable stripping of executables and shared libraries
373 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
374 2 causes a slowdown at runtime.
375 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
376 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
377 leaks and errors, using the specified valgrind binary.
378 Cannot be combined with --target-exec
379 --enable-ftrapv Trap arithmetic overflows
380 --samples=PATH location of test samples for FATE, if not set use
381 \$FATE_SAMPLES at make invocation time.
382 --enable-neon-clobber-test check NEON registers for clobbering (should be
383 used only for debugging purposes)
384 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
385 should be used only for debugging purposes)
386 --enable-random randomly enable/disable components
388 --enable-random=LIST randomly enable/disable specific components or
389 --disable-random=LIST component groups. LIST is a comma-separated list
390 of NAME[:PROB] entries where NAME is a component
391 (group) and PROB the probability associated with
393 --random-seed=VALUE seed value for --enable/disable-random
395 NOTE: Object files are built at the place where configure is launched.
403 echo "$@" >> $logfile
408 pr -n -t $1 >> $logfile
419 WARNINGS="${WARNINGS}WARNING: $*\n"
426 If you think configure made a mistake, make sure you are using the latest
427 version from Git. If the latest version fails, report the problem to the
428 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
430 if disabled logging; then
432 Rerun configure with logging enabled (do not use --disable-logging), and
433 include the log this produces with your report.
437 Include the log file "$logfile" produced by configure as this will help
444 # Avoid locale weirdness, besides we really just want to translate ASCII.
446 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
450 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
454 echo "$*" | sed 's/["\\]/\\\0/g'
458 v=$(echo "$1" | sed "s/'/'\\\\''/g")
459 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
464 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\\r//g'
471 eval "case $v in $pat) echo $v ;; esac"
479 eval "case $v in $pat) ;; *) echo $v ;; esac"
486 for v; do eval $m; done
492 for v; do echo ${v}${suffix}; done
507 eval : \${$var:=$value}
512 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
518 eval $(sanitize_var_name "$var")='$*'
522 eval echo \$$(sanitize_var_name "$1")
527 eval level=\${${pvar}_level:=0}
528 eval ${pvar}_${level}="\$$pvar"
529 eval ${pvar}_level=$(($level+1))
535 eval level=\${${pvar}_level:-0}
536 test $level = 0 && continue
537 eval level=$(($level-1))
538 eval $pvar="\${${pvar}_${level}}"
539 eval ${pvar}_level=$level
540 eval unset ${pvar}_${level}
562 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
568 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
574 enabled $var && continue
575 eval sel="\$${var}_select"
576 eval sgs="\$${var}_suggest"
580 enable_deep_weak $sgs
592 disabled $var && continue
601 test "${1#!}" = "$1" && op== || op=!=
602 eval test "x\$${1#!}" $op "xyes"
606 test "${1#!}" = "$1" && op== || op=!=
607 eval test "x\$${1#!}" $op "xno"
612 enabled $opt || return 1
618 disabled $opt || return 1
624 enabled $opt && return 0
630 disabled $opt && return 0
637 eval : \${$opt:=\$${opt}_default}
645 [ $var = $value ] && return 0
653 enabled ${cfg}_checking && die "Circular dependency for $cfg."
654 disabled ${cfg}_checking && continue
655 enable ${cfg}_checking
658 eval dep_all="\$${cfg}_deps"
659 eval dep_any="\$${cfg}_deps_any"
660 eval dep_sel="\$${cfg}_select"
661 eval dep_sgs="\$${cfg}_suggest"
662 eval dep_ifa="\$${cfg}_if"
663 eval dep_ifn="\$${cfg}_if_any"
665 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
666 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
667 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
669 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
670 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
671 enabled_all $dep_all || disable $cfg
672 enabled_any $dep_any || disable $cfg
673 disabled_any $dep_sel && disable $cfg
675 if enabled $cfg; then
677 enable_deep_weak $dep_sgs
680 disable ${cfg}_checking
689 for cfg in $allopts; do
690 enabled $cfg || continue
691 eval dep_extralibs="\$${cfg}_extralibs"
692 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
700 map 'eval echo "$v \${$v:-no}"' "$@" |
701 awk "BEGIN { split(\"$files\", files) }
703 c = \"$pfx\" toupper(\$1);
709 if (file ~ /\\.h\$/) {
710 printf(\"#define %s %d\\n\", c, v) >>file;
711 } else if (file ~ /\\.asm\$/) {
712 printf(\"%%define %s %d\\n\", c, v) >>file;
713 } else if (file ~ /\\.mak\$/) {
714 n = -v ? \"\" : \"!\";
715 printf(\"%s%s=yes\\n\", n, c) >>file;
716 } else if (file ~ /\\.texi\$/) {
717 pre = -v ? \"\" : \"@c \";
720 gsub(/_/, \"-\", c2);
721 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
731 enabled $v && printf "%s\n" ${v%$suf};
738 eval "$var=\"\$$var $*\""
744 eval "$var=\"$* \$$var\""
750 for tok in $(eval echo \$$var); do
751 uniq_list="$(filter_out $tok $uniq_list) $tok"
753 eval "$var=\"${uniq_list}\""
761 append CFLAGS $($cflags_filter "$@")
765 append CXXFLAGS $($cflags_filter "$@")
769 append ASFLAGS $($asflags_filter "$@")
773 append LDFLAGS $($ldflags_filter "$@")
777 append LDEXEFLAGS $($ldflags_filter "$@")
781 append ASMSTRIPFLAGS "$@"
785 prepend extralibs $($ldflags_filter "$@")
789 append host_cppflags "$@"
793 append host_cflags $($host_cflags_filter "$@")
797 append host_ldflags $($host_ldflags_filter "$@")
801 append compat_objs $1
803 map 'add_cppflags -D$v' "$@"
808 "$@" >> $logfile 2>&1
813 stat "$1" >> $logfile 2>&1
817 eval printf '%s\\n' $CC_O
821 eval printf '%s\\n' $CC_E
828 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
835 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
842 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
849 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
853 eval printf '%s\\n' $AS_O
860 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
864 log check_inline_asm "$@"
869 check_cc "$@" <<EOF && enable $name
870 void foo(void){ __asm__ volatile($code); }
876 check_inline_asm ${1}_inline "\"$2\""
877 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
885 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
889 eval printf '%s\\n' $LD_O
896 flags=$(filter_out '-l*|*.so' $@)
897 libs=$(filter '-l*|*.so' $@)
898 check_$type $($cflags_filter $flags) || return
899 flags=$($ldflags_filter $flags)
900 libs=$($ldflags_filter $libs)
901 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
906 test "${hdr%.h}" = "${hdr}" &&
907 echo "#include $hdr" ||
908 echo "#include <$hdr>"
918 for hdr in $headers; do
921 echo "int main(void) { $code; return 0; }"
922 } | check_$check "$@"
926 log check_cppflags "$@"
927 check_cc "$@" <<EOF && append CPPFLAGS "$@"
934 set -- $($cflags_filter "$@")
941 log check_cflags "$@"
942 test_cflags "$@" && add_cflags "$@"
946 log check_cxxflags "$@"
947 set -- $($cflags_filter "$@")
948 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
954 log test_ldflags "$@"
955 check_ld "cc" "$@" <<EOF
956 int main(void){ return 0; }
961 log check_ldflags "$@"
962 test_ldflags "$@" && add_ldflags "$@"
966 log test_stripflags "$@"
967 # call check_cc to get a fresh TMPO
969 int main(void) { return 0; }
971 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
975 log check_stripflags "$@"
976 test_stripflags "$@" && add_stripflags "$@"
980 log check_header "$@"
984 check_cpp "$@" <<EOF && enable_safe $header
991 log check_header_oc "$@"
997 echo "#include <$header>"
998 echo "int main(void) { return 0; }"
999 } | check_oc && check_stat "$TMPO" && enable_safe $headers
1007 check_ld "cc" "$@" <<EOF && enable $func
1009 int main(void){ $func(); }
1014 log check_mathfunc "$@"
1018 test $narg = 2 && args="f, g" || args="f"
1020 check_ld "cc" "$@" <<EOF && enable $func
1022 float foo(float f, float g) { return $func($args); }
1023 int main(void){ return (int) foo; }
1027 check_func_headers(){
1028 log check_func_headers "$@"
1033 for hdr in $headers; do
1036 for func in $funcs; do
1037 echo "long check_$func(void) { return (long) $func; }"
1039 echo "int main(void) { return 0; }"
1040 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1043 check_class_headers_cpp(){
1044 log check_class_headers_cpp "$@"
1049 for hdr in $headers; do
1050 echo "#include <$hdr>"
1052 echo "int main(void) { "
1054 for class in $classes; do
1055 echo "$class obj$i;"
1059 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1062 check_cpp_condition(){
1063 log check_cpp_condition "$@"
1067 check_cpp "$@" <<EOF
1070 #error "unsatisfied condition: $condition"
1080 check_header $header && check_func $func "$@" && add_extralibs "$@"
1088 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1092 log check_lib_cpp "$@"
1096 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1100 log check_pkg_config "$@"
1106 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1107 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1108 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1109 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1110 set_safe ${pkg}_cflags $pkg_cflags &&
1111 set_safe ${pkg}_libs $pkg_libs
1115 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1121 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1122 # are safe but may not be available everywhere. Thus we use
1123 # raise(SIGTERM) instead. The check is run in a subshell so we
1124 # can redirect the "Terminated" message from the shell. SIGBUS
1125 # is not defined by standard C so it is used conditionally.
1127 (check_exec "$@") >> $logfile 2>&1 <<EOF
1129 static void sighandler(int sig){
1135 int (*func_ptr)(void) = foo;
1137 signal(SIGILL, sighandler);
1138 signal(SIGFPE, sighandler);
1139 signal(SIGSEGV, sighandler);
1141 signal(SIGBUS, sighandler);
1153 disable_safe "$type"
1154 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1158 log check_struct "$@"
1163 disable_safe "${struct}_${member}"
1164 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1165 enable_safe "${struct}_${member}"
1169 log check_builtin "$@"
1175 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1178 check_compile_assert(){
1179 log check_compile_assert "$@"
1185 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1193 check_lib $header $func "$@" || die "ERROR: $name not found"
1201 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1209 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1214 check_pkg_config "$@" || return 1
1215 add_cflags $(get_safe ${pkg}_cflags)
1216 add_extralibs $(get_safe ${pkg}_libs)
1219 require_pkg_config(){
1220 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1223 require_libfreetype(){
1224 log require_libfreetype "$@"
1226 check_cmd $pkg_config --exists --print-errors $pkg \
1227 || die "ERROR: $pkg not found"
1228 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1229 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1231 echo "#include <ft2build.h>"
1232 echo "#include FT_FREETYPE_H"
1233 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1234 echo "int main(void) { return 0; }"
1235 } | check_ld "cc" $pkg_cflags $pkg_libs \
1236 && set_safe ${pkg}_cflags $pkg_cflags \
1237 && set_safe ${pkg}_libs $pkg_libs \
1238 || die "ERROR: $pkg not found"
1239 add_cflags $(get_safe ${pkg}_cflags)
1240 add_extralibs $(get_safe ${pkg}_libs)
1244 eval printf '%s\\n' $HOSTCC_E
1248 eval printf '%s\\n' $HOSTCC_O
1252 log check_host_cc "$@"
1255 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1259 log check_host_cpp "$@"
1262 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1265 check_host_cppflags(){
1266 log check_host_cppflags "$@"
1267 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1272 check_host_cflags(){
1273 log check_host_cflags "$@"
1274 set -- $($host_cflags_filter "$@")
1275 check_host_cc "$@" <<EOF && append host_cflags "$@"
1280 check_host_cpp_condition(){
1281 log check_host_cpp_condition "$@"
1285 check_host_cpp "$@" <<EOF
1288 #error "unsatisfied condition: $condition"
1296 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1300 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1301 mkdir -p "$(dirname $2)"
1305 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1306 # system-dependent things.
1323 avio_reading_example
1324 decoding_encoding_example
1325 demuxing_decoding_example
1327 filter_audio_example
1328 filtering_audio_example
1329 filtering_video_example
1334 resampling_audio_example
1335 scaling_video_example
1336 transcode_aac_example
1340 EXTERNAL_LIBRARY_LIST="
1434 safe_bitstream_reader
1493 $EXTERNAL_LIBRARY_LIST
1501 incompatible_libav_abi
1562 ARCH_EXT_LIST_MIPS="
1569 ARCH_EXT_LIST_X86_SIMD="
1596 $ARCH_EXT_LIST_X86_SIMD
1622 atomic_compare_exchange
1628 sync_val_compare_and_swap
1639 incompatible_libav_abi
1648 cdio_paranoia_paranoia_h
1649 dev_bktr_ioctl_bt848_h
1650 dev_bktr_ioctl_meteor_h
1652 dev_video_bktr_ioctl_bt848_h
1653 dev_video_meteor_ioctl_meteor_h
1661 machine_ioctl_bt848_h
1662 machine_ioctl_meteor_h
1664 openjpeg_1_5_openjpeg_h
1731 GetProcessAffinityMask
1732 GetProcessMemoryInfo
1736 GetSystemTimeAsFileTime
1743 jack_port_get_latency_range
1758 SetConsoleTextAttribute
1770 TOOLCHAIN_FEATURES="
1783 inline_asm_nonlocal_labels
1784 inline_asm_direct_symbol_refs
1795 CONDITION_VARIABLE_Ptr
1799 struct_group_source_req
1800 struct_ip_mreq_source
1803 struct_rusage_ru_maxrss
1804 struct_sctp_event_subscribe
1806 struct_sockaddr_sa_len
1807 struct_sockaddr_storage
1808 struct_stat_st_mtim_tv_nsec
1809 struct_v4l2_frmivalenum_discrete
1814 $(add_suffix _external $ARCH_EXT_LIST)
1815 $(add_suffix _inline $ARCH_EXT_LIST)
1848 # options emitted with CONFIG_ prefix but not available on the command line
1863 frame_thread_encoder
1987 # code dependency declarations
1989 # architecture extensions
1994 armv8_deps="aarch64"
1995 neon_deps_any="aarch64 arm"
1996 intrinsics_neon_deps="neon"
1997 vfp_deps_any="aarch64 arm"
2001 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2004 mipsdspr1_deps="mips"
2005 mipsdspr2_deps="mips"
2012 x86_64_select="i686"
2013 x86_64_suggest="fast_cmov"
2016 amd3dnowext_deps="amd3dnow"
2032 mmx_external_deps="yasm"
2033 mmx_inline_deps="inline_asm"
2034 mmx_suggest="mmx_external mmx_inline"
2036 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2037 eval dep=\$${ext}_deps
2038 eval ${ext}_external_deps='"${dep}_external"'
2039 eval ${ext}_inline_deps='"${dep}_inline"'
2040 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2043 aligned_stack_if_any="aarch64 ppc x86"
2044 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2045 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2046 fast_unaligned_if_any="aarch64 ppc x86"
2047 simd_align_16_if_any="altivec neon sse"
2049 # system capabilities
2051 symver_if_any="symver_asm_label symver_gnu_asm"
2054 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2055 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2056 atomics_win32_if="MemoryBarrier"
2057 atomics_native_if_any="$ATOMICS_LIST"
2058 w32threads_deps="atomics_native"
2059 threads_if_any="$THREADS_LIST"
2063 error_resilience_select="me_cmp"
2064 faandct_deps="faan fdctdsp"
2065 faanidct_deps="faan idctdsp"
2066 frame_thread_encoder_deps="encoders threads"
2067 intrax8_select="error_resilience"
2070 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2071 mpeg_er_select="error_resilience"
2072 mpegaudio_select="mpegaudiodsp"
2073 mpegaudiodsp_select="dct"
2074 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"
2075 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2077 # decoders / encoders
2078 aac_decoder_select="imdct15 mdct sinewin"
2079 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
2080 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2081 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2082 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2083 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2084 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2085 aic_decoder_select="golomb idctdsp"
2086 alac_encoder_select="lpc"
2087 als_decoder_select="bswapdsp"
2088 amrnb_decoder_select="lsp"
2089 amrwb_decoder_select="lsp"
2090 amv_decoder_select="sp5x_decoder exif"
2091 amv_encoder_select="aandcttables mpegvideoenc"
2092 ape_decoder_select="bswapdsp llauddsp"
2093 apng_decoder_select="zlib"
2094 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2095 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2096 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2097 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2098 atrac1_decoder_select="mdct sinewin"
2099 atrac3_decoder_select="mdct"
2100 atrac3p_decoder_select="mdct sinewin"
2101 avrn_decoder_select="exif"
2102 bink_decoder_select="blockdsp hpeldsp"
2103 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2104 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2105 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2106 cllc_decoder_select="bswapdsp"
2107 comfortnoise_encoder_select="lpc"
2108 cook_decoder_select="audiodsp mdct sinewin"
2109 cscd_decoder_select="lzo"
2110 cscd_decoder_suggest="zlib"
2111 dca_decoder_select="fmtconvert mdct"
2112 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2113 dnxhd_decoder_select="blockdsp idctdsp"
2114 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2115 dvvideo_decoder_select="dvprofile idctdsp"
2116 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2117 dxa_decoder_select="zlib"
2118 eac3_decoder_select="ac3_decoder"
2119 eac3_encoder_select="ac3_encoder"
2120 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2121 eatgq_decoder_select="aandcttables"
2122 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2123 exr_decoder_select="zlib"
2124 ffv1_decoder_select="golomb rangecoder"
2125 ffv1_encoder_select="rangecoder"
2126 ffvhuff_decoder_select="huffyuv_decoder"
2127 ffvhuff_encoder_select="huffyuv_encoder"
2128 fic_decoder_select="golomb"
2129 flac_decoder_select="golomb"
2130 flac_encoder_select="bswapdsp golomb lpc"
2131 flashsv_decoder_select="zlib"
2132 flashsv_encoder_select="zlib"
2133 flashsv2_encoder_select="zlib"
2134 flashsv2_decoder_select="zlib"
2135 flv_decoder_select="h263_decoder"
2136 flv_encoder_select="h263_encoder"
2137 fourxm_decoder_select="blockdsp bswapdsp"
2138 fraps_decoder_select="bswapdsp huffman"
2139 g2m_decoder_select="blockdsp idctdsp zlib"
2140 g729_decoder_select="audiodsp"
2141 h261_decoder_select="mpeg_er mpegvideo"
2142 h261_encoder_select="aandcttables mpegvideoenc"
2143 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2144 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2145 h263i_decoder_select="h263_decoder"
2146 h263p_encoder_select="h263_encoder"
2147 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2148 h264_decoder_suggest="error_resilience"
2149 h264_qsv_decoder_deps="libmfx"
2150 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsv h264_qsv_hwaccel"
2151 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2152 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2153 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2154 iac_decoder_select="imc_decoder"
2155 imc_decoder_select="bswapdsp fft mdct sinewin"
2156 indeo3_decoder_select="hpeldsp"
2157 interplay_video_decoder_select="hpeldsp"
2158 jpegls_decoder_select="golomb mjpeg_decoder"
2159 jpegls_encoder_select="golomb"
2160 jv_decoder_select="blockdsp"
2161 lagarith_decoder_select="huffyuvdsp"
2162 ljpeg_encoder_select="aandcttables idctdsp"
2163 loco_decoder_select="golomb"
2164 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2165 metasound_decoder_select="lsp mdct sinewin"
2166 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2167 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp"
2168 mjpeg_encoder_select="aandcttables mpegvideoenc"
2169 mjpegb_decoder_select="mjpeg_decoder"
2170 mlp_decoder_select="mlp_parser"
2171 motionpixels_decoder_select="bswapdsp"
2172 mp1_decoder_select="mpegaudio"
2173 mp1float_decoder_select="mpegaudio"
2174 mp2_decoder_select="mpegaudio"
2175 mp2float_decoder_select="mpegaudio"
2176 mp3_decoder_select="mpegaudio"
2177 mp3adu_decoder_select="mpegaudio"
2178 mp3adufloat_decoder_select="mpegaudio"
2179 mp3float_decoder_select="mpegaudio"
2180 mp3on4_decoder_select="mpegaudio"
2181 mp3on4float_decoder_select="mpegaudio"
2182 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2183 mpc8_decoder_select="mpegaudiodsp"
2184 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2185 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2186 mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"
2187 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2188 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2189 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2190 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2191 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2192 mpeg4_encoder_select="h263_encoder"
2193 msmpeg4v1_decoder_select="h263_decoder"
2194 msmpeg4v2_decoder_select="h263_decoder"
2195 msmpeg4v2_encoder_select="h263_encoder"
2196 msmpeg4v3_decoder_select="h263_decoder"
2197 msmpeg4v3_encoder_select="h263_encoder"
2198 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2199 mxpeg_decoder_select="mjpeg_decoder"
2200 nellymoser_decoder_select="mdct sinewin"
2201 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2202 nuv_decoder_select="idctdsp lzo"
2203 on2avc_decoder_select="mdct"
2204 opus_decoder_deps="swresample"
2205 opus_decoder_select="imdct15"
2206 png_decoder_select="zlib"
2207 png_encoder_select="huffyuvencdsp zlib"
2208 prores_decoder_select="blockdsp idctdsp"
2209 prores_encoder_select="fdctdsp"
2210 qcelp_decoder_select="lsp"
2211 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2212 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2213 ra_144_decoder_select="audiodsp"
2214 ralf_decoder_select="golomb"
2215 rawvideo_decoder_select="bswapdsp"
2216 rtjpeg_decoder_select="me_cmp"
2217 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2218 rv10_encoder_select="h263_encoder"
2219 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2220 rv20_encoder_select="h263_encoder"
2221 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2222 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2223 shorten_decoder_select="golomb"
2224 sipr_decoder_select="lsp"
2225 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2226 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2227 sonic_decoder_select="golomb rangecoder"
2228 sonic_encoder_select="golomb rangecoder"
2229 sonic_ls_encoder_select="golomb rangecoder"
2230 sp5x_decoder_select="mjpeg_decoder"
2231 svq1_decoder_select="hpeldsp"
2232 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2233 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2234 svq3_decoder_suggest="zlib"
2235 tak_decoder_select="audiodsp"
2236 tdsc_decoder_select="zlib mjpeg_decoder"
2237 theora_decoder_select="vp3_decoder"
2238 thp_decoder_select="mjpeg_decoder"
2239 tiff_decoder_suggest="zlib lzma"
2240 tiff_encoder_suggest="zlib"
2241 truehd_decoder_select="mlp_parser"
2242 truemotion2_decoder_select="bswapdsp"
2243 truespeech_decoder_select="bswapdsp"
2244 tscc_decoder_select="zlib"
2245 twinvq_decoder_select="mdct lsp sinewin"
2246 utvideo_decoder_select="bswapdsp"
2247 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2248 vble_decoder_select="huffyuvdsp"
2249 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2250 vc1image_decoder_select="vc1_decoder"
2251 vorbis_decoder_select="mdct"
2252 vorbis_encoder_select="mdct"
2253 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2254 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2255 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2256 vp6a_decoder_select="vp6_decoder"
2257 vp6f_decoder_select="vp6_decoder"
2258 vp7_decoder_select="h264pred videodsp"
2259 vp8_decoder_select="h264pred videodsp"
2260 vp9_decoder_select="videodsp vp9_parser"
2261 webp_decoder_select="vp8_decoder"
2262 wmalossless_decoder_select="llauddsp"
2263 wmapro_decoder_select="mdct sinewin wma_freqs"
2264 wmav1_decoder_select="mdct sinewin wma_freqs"
2265 wmav1_encoder_select="mdct sinewin wma_freqs"
2266 wmav2_decoder_select="mdct sinewin wma_freqs"
2267 wmav2_encoder_select="mdct sinewin wma_freqs"
2268 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2269 wmv1_decoder_select="h263_decoder"
2270 wmv1_encoder_select="h263_encoder"
2271 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
2272 wmv2_encoder_select="h263_encoder"
2273 wmv3_decoder_select="vc1_decoder"
2274 wmv3image_decoder_select="wmv3_decoder"
2275 zerocodec_decoder_select="zlib"
2276 zlib_decoder_select="zlib"
2277 zlib_encoder_select="zlib"
2278 zmbv_decoder_select="zlib"
2279 zmbv_encoder_select="zlib"
2281 # hardware accelerators
2282 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2283 dxva2_deps="dxva2api_h"
2284 vaapi_deps="va_va_h"
2285 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2286 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2287 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2288 xvmc_deps="X11_extensions_XvMClib_h"
2290 h263_vaapi_hwaccel_deps="vaapi"
2291 h263_vaapi_hwaccel_select="h263_decoder"
2292 h263_vdpau_hwaccel_deps="vdpau"
2293 h263_vdpau_hwaccel_select="h263_decoder"
2294 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2295 h264_dxva2_hwaccel_deps="dxva2"
2296 h264_dxva2_hwaccel_select="h264_decoder"
2297 h264_qsv_hwaccel_deps="libmfx"
2298 h264_vaapi_hwaccel_deps="vaapi"
2299 h264_vaapi_hwaccel_select="h264_decoder"
2300 h264_vda_decoder_deps="vda"
2301 h264_vda_decoder_select="h264_decoder"
2302 h264_vda_hwaccel_deps="vda"
2303 h264_vda_hwaccel_select="h264_decoder"
2304 h264_vda_old_hwaccel_deps="vda"
2305 h264_vda_old_hwaccel_select="h264_decoder"
2306 h264_vdpau_decoder_deps="vdpau"
2307 h264_vdpau_decoder_select="h264_decoder"
2308 h264_vdpau_hwaccel_deps="vdpau"
2309 h264_vdpau_hwaccel_select="h264_decoder"
2310 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2311 hevc_dxva2_hwaccel_select="hevc_decoder"
2312 mpeg_vdpau_decoder_deps="vdpau"
2313 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2314 mpeg_xvmc_hwaccel_deps="xvmc"
2315 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2316 mpeg1_vdpau_decoder_deps="vdpau"
2317 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2318 mpeg1_vdpau_hwaccel_deps="vdpau"
2319 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2320 mpeg1_xvmc_hwaccel_deps="xvmc"
2321 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2322 mpeg2_crystalhd_decoder_select="crystalhd"
2323 mpeg2_dxva2_hwaccel_deps="dxva2"
2324 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2325 mpeg2_vaapi_hwaccel_deps="vaapi"
2326 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2327 mpeg2_vdpau_hwaccel_deps="vdpau"
2328 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2329 mpeg2_xvmc_hwaccel_deps="xvmc"
2330 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2331 mpeg4_crystalhd_decoder_select="crystalhd"
2332 mpeg4_vaapi_hwaccel_deps="vaapi"
2333 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2334 mpeg4_vdpau_decoder_deps="vdpau"
2335 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2336 mpeg4_vdpau_hwaccel_deps="vdpau"
2337 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2338 msmpeg4_crystalhd_decoder_select="crystalhd"
2339 vc1_crystalhd_decoder_select="crystalhd"
2340 vc1_dxva2_hwaccel_deps="dxva2"
2341 vc1_dxva2_hwaccel_select="vc1_decoder"
2342 vc1_vaapi_hwaccel_deps="vaapi"
2343 vc1_vaapi_hwaccel_select="vc1_decoder"
2344 vc1_vdpau_decoder_deps="vdpau"
2345 vc1_vdpau_decoder_select="vc1_decoder"
2346 vc1_vdpau_hwaccel_deps="vdpau"
2347 vc1_vdpau_hwaccel_select="vc1_decoder"
2348 wmv3_crystalhd_decoder_select="crystalhd"
2349 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2350 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2351 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2352 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2355 h264_parser_select="h264_decoder"
2356 hevc_parser_select="hevc_decoder"
2357 mpegvideo_parser_select="mpegvideo"
2358 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2359 vc1_parser_select="mpegvideo startcode vc1_decoder"
2361 # external libraries
2362 libaacplus_encoder_deps="libaacplus"
2363 libcelt_decoder_deps="libcelt"
2364 libdcadec_decoder_deps="libdcadec"
2365 libfaac_encoder_deps="libfaac"
2366 libfaac_encoder_select="audio_frame_queue"
2367 libfdk_aac_decoder_deps="libfdk_aac"
2368 libfdk_aac_encoder_deps="libfdk_aac"
2369 libfdk_aac_encoder_select="audio_frame_queue"
2370 libgme_demuxer_deps="libgme"
2371 libgsm_decoder_deps="libgsm"
2372 libgsm_encoder_deps="libgsm"
2373 libgsm_ms_decoder_deps="libgsm"
2374 libgsm_ms_encoder_deps="libgsm"
2375 libilbc_decoder_deps="libilbc"
2376 libilbc_encoder_deps="libilbc"
2377 libmodplug_demuxer_deps="libmodplug"
2378 libmp3lame_encoder_deps="libmp3lame"
2379 libmp3lame_encoder_select="audio_frame_queue"
2380 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2381 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2382 libopencore_amrnb_encoder_select="audio_frame_queue"
2383 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2384 libopenh264_encoder_deps="libopenh264"
2385 libopenjpeg_decoder_deps="libopenjpeg"
2386 libopenjpeg_encoder_deps="libopenjpeg"
2387 libopus_decoder_deps="libopus"
2388 libopus_encoder_deps="libopus"
2389 libopus_encoder_select="audio_frame_queue"
2390 libquvi_demuxer_deps="libquvi"
2391 libschroedinger_decoder_deps="libschroedinger"
2392 libschroedinger_encoder_deps="libschroedinger"
2393 libshine_encoder_deps="libshine"
2394 libshine_encoder_select="audio_frame_queue"
2395 libspeex_decoder_deps="libspeex"
2396 libspeex_encoder_deps="libspeex"
2397 libspeex_encoder_select="audio_frame_queue"
2398 libstagefright_h264_decoder_deps="libstagefright_h264"
2399 libtheora_encoder_deps="libtheora"
2400 libtwolame_encoder_deps="libtwolame"
2401 libvo_aacenc_encoder_deps="libvo_aacenc"
2402 libvo_aacenc_encoder_select="audio_frame_queue"
2403 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2404 libvorbis_decoder_deps="libvorbis"
2405 libvorbis_encoder_deps="libvorbis"
2406 libvorbis_encoder_select="audio_frame_queue"
2407 libvpx_vp8_decoder_deps="libvpx"
2408 libvpx_vp8_encoder_deps="libvpx"
2409 libvpx_vp9_decoder_deps="libvpx"
2410 libvpx_vp9_encoder_deps="libvpx"
2411 libwavpack_encoder_deps="libwavpack"
2412 libwebp_encoder_deps="libwebp"
2413 libx264_encoder_deps="libx264"
2414 libx264rgb_encoder_deps="libx264"
2415 libx264rgb_encoder_select="libx264_encoder"
2416 libx265_encoder_deps="libx265"
2417 libxavs_encoder_deps="libxavs"
2418 libxvid_encoder_deps="libxvid"
2419 libutvideo_decoder_deps="libutvideo"
2420 libutvideo_encoder_deps="libutvideo"
2421 libzvbi_teletext_decoder_deps="libzvbi"
2422 nvenc_encoder_deps="nvenc"
2425 ac3_demuxer_select="ac3_parser"
2426 asf_demuxer_select="riffdec"
2427 asf_muxer_select="riffenc"
2428 asf_stream_muxer_select="asf_muxer"
2429 avi_demuxer_select="riffdec exif"
2430 avi_muxer_select="riffenc"
2431 avisynth_demuxer_deps="avisynth"
2432 avisynth_demuxer_select="riffdec"
2433 caf_demuxer_select="riffdec"
2434 dash_muxer_select="mp4_muxer"
2435 dirac_demuxer_select="dirac_parser"
2436 dts_demuxer_select="dca_parser"
2437 dtshd_demuxer_select="dca_parser"
2438 dv_demuxer_select="dvprofile"
2439 dv_muxer_select="dvprofile"
2440 dxa_demuxer_select="riffdec"
2441 eac3_demuxer_select="ac3_parser"
2442 f4v_muxer_select="mov_muxer"
2443 flac_demuxer_select="flac_parser"
2444 hds_muxer_select="flv_muxer"
2445 hls_muxer_select="mpegts_muxer"
2446 image2_alias_pix_demuxer_select="image2_demuxer"
2447 image2_brender_pix_demuxer_select="image2_demuxer"
2448 ipod_muxer_select="mov_muxer"
2449 ismv_muxer_select="mov_muxer"
2450 libnut_demuxer_deps="libnut"
2451 libnut_muxer_deps="libnut"
2452 matroska_audio_muxer_select="matroska_muxer"
2453 matroska_demuxer_select="riffdec"
2454 matroska_demuxer_suggest="bzlib lzo zlib"
2455 matroska_muxer_select="riffenc"
2456 mmf_muxer_select="riffenc"
2457 mov_demuxer_select="riffdec"
2458 mov_demuxer_suggest="zlib"
2459 mov_muxer_select="riffenc rtpenc_chain"
2460 mp3_demuxer_select="mpegaudio_parser"
2461 mp4_muxer_select="mov_muxer"
2462 mpegts_muxer_select="adts_muxer latm_muxer"
2463 mpegtsraw_demuxer_select="mpegts_demuxer"
2464 mxf_d10_muxer_select="mxf_muxer"
2465 mxf_opatom_muxer_select="mxf_muxer"
2466 nut_muxer_select="riffenc"
2467 nuv_demuxer_select="riffdec"
2468 oga_muxer_select="ogg_muxer"
2469 ogg_demuxer_select="golomb"
2470 opus_muxer_select="ogg_muxer"
2471 psp_muxer_select="mov_muxer"
2472 rtp_demuxer_select="sdp_demuxer"
2473 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2474 rtsp_demuxer_select="http_protocol rtpdec"
2475 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2476 sap_demuxer_select="sdp_demuxer"
2477 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2478 sdp_demuxer_select="rtpdec"
2479 smoothstreaming_muxer_select="ismv_muxer"
2480 spdif_muxer_select="aac_parser"
2481 spx_muxer_select="ogg_muxer"
2482 tak_demuxer_select="tak_parser"
2483 tg2_muxer_select="mov_muxer"
2484 tgp_muxer_select="mov_muxer"
2485 vobsub_demuxer_select="mpegps_demuxer"
2486 w64_demuxer_select="wav_demuxer"
2487 w64_muxer_select="wav_muxer"
2488 wav_demuxer_select="riffdec"
2489 wav_muxer_select="riffenc"
2490 webm_muxer_select="riffenc"
2491 wtv_demuxer_select="riffdec"
2492 wtv_muxer_select="riffenc"
2493 xmv_demuxer_select="riffdec"
2494 xwma_demuxer_select="riffdec"
2497 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2498 alsa_outdev_deps="alsa_asoundlib_h"
2499 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2500 avfoundation_indev_select="avfoundation"
2501 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2502 caca_outdev_deps="libcaca"
2503 decklink_outdev_deps="decklink pthreads"
2504 decklink_outdev_extralibs="-lstdc++"
2505 decklink_indev_deps="decklink pthreads"
2506 decklink_indev_extralibs="-lstdc++"
2507 dshow_indev_deps="IBaseFilter"
2508 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32"
2509 dv1394_indev_deps="dv1394"
2510 dv1394_indev_select="dv_demuxer"
2511 fbdev_indev_deps="linux_fb_h"
2512 fbdev_outdev_deps="linux_fb_h"
2513 gdigrab_indev_deps="CreateDIBSection"
2514 gdigrab_indev_extralibs="-lgdi32"
2515 gdigrab_indev_select="bmp_decoder"
2516 iec61883_indev_deps="libiec61883"
2517 jack_indev_deps="jack_jack_h sem_timedwait"
2518 lavfi_indev_deps="avfilter"
2519 libcdio_indev_deps="libcdio"
2520 libdc1394_indev_deps="libdc1394"
2521 libv4l2_indev_deps="libv4l2"
2522 openal_indev_deps="openal"
2523 opengl_outdev_deps="opengl"
2524 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2525 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2526 pulse_indev_deps="libpulse"
2527 pulse_outdev_deps="libpulse"
2528 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2529 qtkit_indev_select="qtkit"
2530 sdl_outdev_deps="sdl"
2531 sndio_indev_deps="sndio_h"
2532 sndio_outdev_deps="sndio_h"
2533 v4l_indev_deps="linux_videodev_h"
2534 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2535 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2536 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2537 vfwcap_indev_extralibs="-lavicap32"
2538 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2539 xv_outdev_extralibs="-lXv -lX11 -lXext"
2540 x11grab_indev_deps="x11grab"
2541 x11grab_xcb_indev_deps="libxcb"
2544 bluray_protocol_deps="libbluray"
2545 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2546 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2547 ffrtmpcrypt_protocol_select="tcp_protocol"
2548 ffrtmphttp_protocol_deps="!librtmp_protocol"
2549 ffrtmphttp_protocol_select="http_protocol"
2550 ftp_protocol_select="tcp_protocol"
2551 gopher_protocol_select="network"
2552 http_protocol_select="tcp_protocol"
2553 httpproxy_protocol_select="tcp_protocol"
2554 https_protocol_select="tls_protocol"
2555 icecast_protocol_select="http_protocol"
2556 librtmp_protocol_deps="librtmp"
2557 librtmpe_protocol_deps="librtmp"
2558 librtmps_protocol_deps="librtmp"
2559 librtmpt_protocol_deps="librtmp"
2560 librtmpte_protocol_deps="librtmp"
2561 libsmbclient_protocol_deps="libsmbclient gplv3"
2562 libssh_protocol_deps="libssh"
2563 mmsh_protocol_select="http_protocol"
2564 mmst_protocol_select="network"
2565 rtmp_protocol_deps="!librtmp_protocol"
2566 rtmp_protocol_select="tcp_protocol"
2567 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2568 rtmps_protocol_deps="!librtmp_protocol"
2569 rtmps_protocol_select="tls_protocol"
2570 rtmpt_protocol_select="ffrtmphttp_protocol"
2571 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2572 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2573 rtp_protocol_select="udp_protocol"
2574 sctp_protocol_deps="struct_sctp_event_subscribe"
2575 sctp_protocol_select="network"
2576 srtp_protocol_select="rtp_protocol"
2577 tcp_protocol_select="network"
2578 tls_protocol_deps_any="openssl gnutls"
2579 tls_protocol_select="tcp_protocol"
2580 udp_protocol_select="network"
2581 udplite_protocol_select="network"
2582 unix_protocol_deps="sys_un_h"
2583 unix_protocol_select="network"
2586 amovie_filter_deps="avcodec avformat"
2587 aresample_filter_deps="swresample"
2588 ass_filter_deps="libass"
2589 asyncts_filter_deps="avresample"
2590 atempo_filter_deps="avcodec"
2591 atempo_filter_select="rdft"
2592 azmq_filter_deps="libzmq"
2593 blackframe_filter_deps="gpl"
2594 boxblur_filter_deps="gpl"
2595 bs2b_filter_deps="libbs2b"
2596 colormatrix_filter_deps="gpl"
2597 cropdetect_filter_deps="gpl"
2598 delogo_filter_deps="gpl"
2599 deshake_filter_select="pixelutils"
2600 drawtext_filter_deps="libfreetype"
2601 ebur128_filter_deps="gpl"
2602 eq_filter_deps="gpl"
2603 fftfilt_filter_deps="avcodec"
2604 fftfilt_filter_select="rdft"
2605 flite_filter_deps="libflite"
2606 frei0r_filter_deps="frei0r dlopen"
2607 frei0r_src_filter_deps="frei0r dlopen"
2608 fspp_filter_deps="gpl"
2609 geq_filter_deps="gpl"
2610 histeq_filter_deps="gpl"
2611 hqdn3d_filter_deps="gpl"
2612 interlace_filter_deps="gpl"
2613 kerndeint_filter_deps="gpl"
2614 ladspa_filter_deps="ladspa dlopen"
2615 mcdeint_filter_deps="avcodec gpl"
2616 movie_filter_deps="avcodec avformat"
2617 mpdecimate_filter_deps="gpl"
2618 mpdecimate_filter_select="pixelutils"
2619 mptestsrc_filter_deps="gpl"
2620 negate_filter_deps="lut_filter"
2621 perspective_filter_deps="gpl"
2622 pp7_filter_deps="gpl"
2623 ocv_filter_deps="libopencv"
2624 owdenoise_filter_deps="gpl"
2625 pan_filter_deps="swresample"
2626 phase_filter_deps="gpl"
2627 pp_filter_deps="gpl postproc"
2628 pullup_filter_deps="gpl"
2629 removelogo_filter_deps="avcodec avformat swscale"
2630 repeatfields_filter_deps="gpl"
2631 resample_filter_deps="avresample"
2632 sab_filter_deps="gpl swscale"
2633 scale_filter_deps="swscale"
2634 select_filter_select="pixelutils"
2635 smartblur_filter_deps="gpl swscale"
2636 showspectrum_filter_deps="avcodec"
2637 showspectrum_filter_select="rdft"
2638 spp_filter_deps="gpl avcodec"
2639 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2640 stereo3d_filter_deps="gpl"
2641 subtitles_filter_deps="avformat avcodec libass"
2642 super2xsai_filter_deps="gpl"
2643 tinterlace_filter_deps="gpl"
2644 vidstabdetect_filter_deps="libvidstab"
2645 vidstabtransform_filter_deps="libvidstab"
2646 pixfmts_super2xsai_test_deps="super2xsai_filter"
2647 tinterlace_merge_test_deps="tinterlace_filter"
2648 tinterlace_pad_test_deps="tinterlace_filter"
2649 uspp_filter_deps="gpl avcodec"
2650 zmq_filter_deps="libzmq"
2651 zoompan_filter_deps="swscale"
2654 avio_reading="avformat avcodec avutil"
2655 avcodec_example_deps="avcodec avutil"
2656 decoding_encoding_example_deps="avcodec avformat avutil"
2657 demuxing_decoding_example_deps="avcodec avformat avutil"
2658 extract_mvs_example_deps="avcodec avformat avutil"
2659 filter_audio_example_deps="avfilter avutil"
2660 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2661 filtering_video_example_deps="avfilter avcodec avformat avutil"
2662 metadata_example_deps="avformat avutil"
2663 muxing_example_deps="avcodec avformat avutil swscale"
2664 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2665 remuxing_example_deps="avcodec avformat avutil"
2666 resampling_audio_example_deps="avutil swresample"
2667 scaling_video_example_deps="avutil swscale"
2668 transcode_aac_example_deps="avcodec avformat swresample"
2669 transcoding_example_deps="avfilter avcodec avformat avutil"
2671 # libraries, in linking order
2672 avcodec_deps="avutil"
2673 avdevice_deps="avformat avcodec avutil"
2674 avfilter_deps="avutil"
2675 avformat_deps="avcodec avutil"
2676 avresample_deps="avutil"
2677 postproc_deps="avutil gpl"
2678 swresample_deps="avutil"
2679 swscale_deps="avutil"
2682 ffmpeg_deps="avcodec avfilter avformat swresample"
2683 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2685 setpts_filter trim_filter"
2686 ffplay_deps="avcodec avformat swscale swresample sdl"
2687 ffplay_libs='$sdl_libs'
2688 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2689 ffprobe_deps="avcodec avformat"
2690 ffserver_deps="avformat fork sarestart"
2691 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2694 podpages_deps="perl"
2695 manpages_deps="perl pod2man"
2696 htmlpages_deps="perl"
2697 htmlpages_deps_any="makeinfo_html texi2html"
2698 txtpages_deps="perl makeinfo"
2699 doc_deps_any="manpages htmlpages podpages txtpages"
2701 # default parameters
2703 logfile="config.log"
2705 # installation paths
2706 prefix_default="/usr/local"
2707 bindir_default='${prefix}/bin'
2708 datadir_default='${prefix}/share/ffmpeg'
2709 docdir_default='${prefix}/share/doc/ffmpeg'
2710 incdir_default='${prefix}/include'
2711 libdir_default='${prefix}/lib'
2712 mandir_default='${prefix}/share/man'
2718 host_cc_default="gcc"
2720 doxygen_default="doxygen"
2725 pkg_config_default=pkg-config
2726 if ranlib 2>&1 | grep -q "\-D "; then
2727 ranlib_default="ranlib -D"
2729 ranlib_default="ranlib"
2731 strip_default="strip"
2732 yasmexe_default="yasm"
2733 windres_default="windres"
2736 target_os_default=$(tolower $(uname -s))
2737 host_os=$target_os_default
2740 if test "$target_os_default" = aix; then
2741 arch_default=$(uname -p)
2742 strip_default="strip -X32_64"
2744 arch_default=$(uname -m)
2749 # configurable options
2750 enable $PROGRAM_LIST
2751 enable $DOCUMENT_LIST
2752 enable $EXAMPLE_LIST
2753 enable $(filter_out avresample $LIBRARY_LIST)
2759 enable faan faandct faanidct
2760 enable optimizations
2761 enable runtime_cpudetect
2762 enable safe_bitstream_reader
2764 enable swscale_alpha
2766 sws_max_filter_size_default=256
2767 set_default sws_max_filter_size
2769 # Enable hwaccels by default.
2770 enable dxva2 vaapi vda vdpau xvmc
2774 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2777 FULLNAME='$(NAME)$(BUILDSUF)'
2778 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2781 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2782 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2783 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2784 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2785 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2786 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2808 host_cflags_filter=echo
2809 host_ldflags_filter=echo
2811 target_path='$(CURDIR)'
2813 # since the object filename is not given with the -MM flag, the compiler
2814 # is only able to print the basename, and we must add the path ourselves
2815 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2819 if test -f configure; then
2822 source_path=$(cd $(dirname "$0"); pwd)
2823 echo "$source_path" | grep -q '[[:blank:]]' &&
2824 die "Out of tree builds are impossible with whitespace in source path."
2825 test -e "$source_path/config.h" &&
2826 die "Out of tree builds are impossible with config.h in source dir."
2833 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2839 file=$source_path/$3
2840 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2843 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2844 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2845 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2846 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2847 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2848 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2849 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2850 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2851 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2852 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2853 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2869 for n in $COMPONENT_LIST; do
2870 v=$(toupper ${n%s})_LIST
2872 eval ${n}_if_any="\$$v"
2875 enable $ARCH_EXT_LIST
2878 echo "Unknown option \"$1\"."
2879 echo "See $0 --help for available options."
2884 cat | tr ' ' '\n' | sort | pr -r -3 -t
2890 echo $* | sed s/$suffix//g | print_3_columns
2902 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2903 echo "prob ${prob:-0.5}"
2911 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2912 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2921 --extra-ldexeflags=*)
2922 add_ldexeflags $optval
2925 add_extralibs $optval
2928 disable $INDEV_LIST $OUTDEV_LIST
2931 debuglevel="$optval"
2934 disable $PROGRAM_LIST
2936 --disable-everything)
2937 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2940 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2941 disable $LIBRARY_LIST $PROGRAM_LIST doc
2943 --enable-random|--disable-random)
2944 action=${opt%%-random}
2945 do_random ${action#--} $COMPONENT_LIST
2947 --enable-random=*|--disable-random=*)
2948 action=${opt%%-random=*}
2949 do_random ${action#--} $optval
2951 --enable-*=*|--disable-*=*)
2952 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2953 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2954 eval list=\$$(toupper $thing)_LIST
2955 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2956 list=$(filter "$name" $list)
2957 [ "$list" = "" ] && warn "Option $opt did not match anything"
2960 --enable-?*|--disable-?*)
2961 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2962 if is_in $option $COMPONENT_LIST; then
2963 test $action = disable && action=unset
2964 eval $action \$$(toupper ${option%s})_LIST
2965 elif is_in $option $CMDLINE_SELECT; then
2972 NAME="${opt#--list-}"
2973 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2975 eval show_list $NAME \$$(toupper $NAME)_LIST
2977 --help|-h) show_help
2979 --fatal-warnings) enable fatal_warnings
2982 optname="${opt%%=*}"
2983 optname="${optname#--}"
2984 optname=$(echo "$optname" | sed 's/-/_/g')
2985 if is_in $optname $CMDLINE_SET; then
2986 eval $optname='$optval'
2987 elif is_in $optname $CMDLINE_APPEND; then
2988 append $optname "$optval"
2996 disabled logging && logfile=/dev/null
2998 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3001 test -n "$valgrind" && toolchain="valgrind-memcheck"
3003 case "$toolchain" in
3006 add_cflags -fsanitize=address
3007 add_ldflags -fsanitize=address
3011 add_cflags -fsanitize=thread -pie
3012 add_ldflags -fsanitize=thread -pie
3016 add_cflags -fsanitize=undefined
3017 add_ldflags -fsanitize=undefined
3021 add_cflags -fsanitize=address
3022 add_ldflags -fsanitize=address
3026 add_cflags -fsanitize=thread -pie -fPIC
3027 add_ldflags -fsanitize=thread -pie -fPIC
3031 add_cflags -fsanitize=undefined
3032 add_ldflags -fsanitize=undefined
3035 target_exec_default=${valgrind:-"valgrind"}
3036 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"
3039 target_exec_default=${valgrind:-"valgrind"}
3040 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3043 # Check whether the current MSVC version needs the C99 converter.
3044 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3045 # support enough of C99 to build ffmpeg. Default to the new
3046 # behaviour if the regexp was unable to match anything, since this
3047 # successfully parses the version number of existing supported
3048 # versions that require the converter (MSVC 2010 and 2012).
3049 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3050 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3053 cc_default="c99wrap cl"
3056 nm_default="dumpbin -symbols"
3058 target_os_default="win32"
3059 # Use a relative path for TMPDIR. This makes sure all the
3060 # ffconf temp files are written with a relative path, avoiding
3061 # issues with msys/win32 path conversion for MSVC parameters
3062 # such as -Fo<file> or -out:<file>.
3068 nm_default="dumpbin -symbols"
3070 target_os_default="win32"
3074 add_cflags -fprofile-arcs -ftest-coverage
3075 add_ldflags -fprofile-arcs -ftest-coverage
3078 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3079 add_cflags -fno-strict-overflow -fstack-protector-all
3080 add_ldflags -Wl,-z,relro -Wl,-z,now
3083 die "Unknown toolchain $toolchain"
3087 test -n "$cross_prefix" && enable cross_compile
3089 if enabled cross_compile; then
3090 test -n "$arch" && test -n "$target_os" ||
3091 die "Must specify target arch and OS when cross-compiling"
3094 ar_default="${cross_prefix}${ar_default}"
3095 cc_default="${cross_prefix}${cc_default}"
3096 cxx_default="${cross_prefix}${cxx_default}"
3097 nm_default="${cross_prefix}${nm_default}"
3098 pkg_config_default="${cross_prefix}${pkg_config_default}"
3099 ranlib_default="${cross_prefix}${ranlib_default}"
3100 strip_default="${cross_prefix}${strip_default}"
3101 windres_default="${cross_prefix}${windres_default}"
3103 sysinclude_default="${sysroot}/usr/include"
3105 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3106 target_exec target_os yasmexe
3107 enabled cross_compile || host_cc_default=$cc
3110 pkg_config_fail_message=""
3111 if ! $pkg_config --version >/dev/null 2>&1; then
3112 warn "$pkg_config not found, library detection may fail."
3114 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3115 pkg_config_fail_message="
3116 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3119 if test $doxygen != $doxygen_default && \
3120 ! $doxygen --version >/dev/null 2>&1; then
3121 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3126 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3130 EXESUF=$(exesuf $target_os)
3131 HOSTEXESUF=$(exesuf $host_os)
3133 # set temporary file name
3134 : ${TMPDIR:=$TEMPDIR}
3138 if [ -n "$tempprefix" ] ; then
3140 echo $tempprefix.${HOSTNAME}.${UID}
3142 elif ! check_cmd mktemp -u XXXXXX; then
3143 # simple replacement for missing mktemp
3144 # NOT SAFE FOR GENERAL USE
3146 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3151 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3152 (set -C; exec > $tmp) 2>/dev/null ||
3153 die "Unable to create temporary file in $TMPDIR."
3154 append TMPFILES $tmp
3158 trap 'rm -f -- $TMPFILES' EXIT
3163 tmpfile TMPE $EXESUF
3175 # make sure we can execute files in $TMPDIR
3176 cat > $TMPSH 2>> $logfile <<EOF
3179 chmod +x $TMPSH >> $logfile 2>&1
3180 if ! $TMPSH >> $logfile 2>&1; then
3182 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3183 variable to another directory and make sure that it is not mounted noexec.
3185 die "Sanity test failed."
3191 # Filter out MSVC cl.exe options from cflags that shouldn't
3192 # be passed to gas-preprocessor
3202 -std=c99) echo -c99 ;;
3203 -mcpu=*) echo -arch ${flag#*=} ;;
3204 -mieee) echo -ieee ;;
3205 -O*|-fast) echo $flag ;;
3206 -fno-math-errno) echo -assume nomath_errno ;;
3208 -Wall) echo -msg_enable level2 ;;
3209 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3210 -Wl,*) echo $flag ;;
3220 -Wno-switch) echo -Wno-switch-enum ;;
3221 -Wno-format-zero-length) ;;
3222 -Wdisabled-optimization) ;;
3223 -Wno-pointer-sign) echo -Wno-other ;;
3229 msvc_common_flags(){
3232 # In addition to specifying certain flags under the compiler
3233 # specific filters, they must be specified here as well or else the
3234 # generic catch all at the bottom will print the original flag.
3238 -fomit-frame-pointer) ;;
3242 -fno-signed-zeros) ;;
3246 -lz) echo zlib.lib ;;
3247 -lavifil32) echo vfw32.lib ;;
3248 -lavicap32) echo vfw32.lib user32.lib ;;
3249 -l*) echo ${flag#-l}.lib ;;
3250 -L*) echo -libpath:${flag#-L} ;;
3257 msvc_common_flags "$@"
3260 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3261 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3262 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3264 -wd4273 -wd4554 -wd4701 ;;
3270 msvc_common_flags "$@"
3273 # Despite what Intel's documentation says -Wall, which is supported
3274 # on Windows, does enable remarks so disable them here.
3275 -Wall) echo $flag -Qdiag-disable:remark ;;
3276 -std=c99) echo -Qstd=c99 ;;
3294 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3295 -fomit-frame-pointer) echo -Mnoframe ;;
3306 case "${flag#*=}" in
3307 native) echo -xtarget=native ;;
3308 v9|niagara) echo -xarch=sparc ;;
3309 ultrasparc) echo -xarch=sparcvis ;;
3310 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3311 i586|pentium) echo -xchip=pentium ;;
3312 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3313 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3314 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3315 pentium4*) echo -xtarget=pentium4 ;;
3316 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3317 *-sse3) echo -xarch=sse3 ;;
3318 core2) echo -xarch=ssse3 -xchip=core2 ;;
3319 bonnell) echo -xarch=ssse3 ;;
3320 corei7|nehalem) echo -xtarget=nehalem ;;
3321 westmere) echo -xtarget=westmere ;;
3322 silvermont) echo -xarch=sse4_2 ;;
3323 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3324 core-avx*|ivybridge|haswell|broadwell)
3326 amdfam10|barcelona) echo -xtarget=barcelona ;;
3327 btver1) echo -xarch=amdsse4a ;;
3328 btver2|bdver*) echo -xarch=avx ;;
3329 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3330 k8|opteron|athlon64|athlon-fx)
3331 echo -xarch=sse2a ;;
3332 athlon*) echo -xarch=pentium_proa ;;
3335 -std=c99) echo -xc99 ;;
3336 -fomit-frame-pointer) echo -xregs=frameptr ;;
3337 -fPIC) echo -KPIC -xcode=pic32 ;;
3338 -W*,*) echo $flag ;;
3339 -f*-*|-W*|-mimpure-text) ;;
3350 case "${flag#*=}" in
3351 armv7-a|cortex-a*) echo -mv=7a8 ;;
3352 armv7-r|cortex-r*) echo -mv=7r4 ;;
3353 armv7-m|cortex-m*) echo -mv=7m3 ;;
3354 armv6*|arm11*) echo -mv=6 ;;
3355 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3357 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3360 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3361 -mfpu=vfp) echo --float_support=vfpv2 ;;
3362 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3363 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3364 -msoft-float) echo --float_support=vfplib ;;
3365 -O[0-3]|-mf=*) echo $flag ;;
3367 -pds=*) echo $flag ;;
3368 -D*|-I*) echo $flag ;;
3369 --gcc|--abi=*) echo $flag ;;
3379 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3380 unset _ld_o _ldflags _ld_lib _ld_path
3381 unset _depflags _DEPCMD _DEPFLAGS
3384 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3385 true # no-op to avoid reading stdin in following checks
3386 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3388 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3389 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3390 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3393 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3395 gcc_version=$($_cc --version | head -n1)
3396 gcc_basever=$($_cc -dumpversion)
3397 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3398 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3399 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3400 if ! $_cc -dumpversion | grep -q '^2\.'; then
3401 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3405 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3407 _ident=$($_cc --version | head -n1)
3412 _flags_filter=icc_flags
3413 elif $_cc -v 2>&1 | grep -q xlc; then
3415 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3417 _cflags_size='-O5 -qcompact'
3418 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3420 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3422 _cflags_speed='-fast'
3424 _flags_filter=ccc_flags
3425 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3426 test -d "$sysroot" || die "No valid sysroot specified."
3428 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3429 armcc_conf="$PWD/armcc.conf"
3430 $_cc --arm_linux_configure \
3431 --arm_linux_config_file="$armcc_conf" \
3432 --configure_sysroot="$sysroot" \
3433 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3434 die "Error creating armcc configuration file."
3435 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3436 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3437 as_default="${cross_prefix}gcc"
3441 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3443 _ident=$($_cc -version | head -n1 | tr -s ' ')
3444 _flags='--gcc --abi=eabi -me'
3447 _depflags='-ppa -ppd=$(@:.o=.d)'
3448 _cflags_speed='-O3 -mf=5'
3449 _cflags_size='-O3 -mf=2'
3450 _flags_filter=tms470_flags
3451 elif $_cc -v 2>&1 | grep -q clang; then
3453 _ident=$($_cc --version | head -n1)
3454 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3457 elif $_cc -V 2>&1 | grep -q Sun; then
3459 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3460 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3461 _DEPFLAGS='-xM1 -xc99'
3464 _cflags_size='-O5 -xspace'
3465 _flags_filter=suncc_flags
3466 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3468 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3469 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3472 _flags_filter='filter_out -Wdisabled-optimization'
3473 elif $_cc -v 2>&1 | grep -q Open64; then
3475 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3476 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3479 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3480 elif $_cc -V 2>&1 | grep -q Portland; then
3482 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3483 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3484 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3485 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3487 _flags_filter=pgi_flags
3488 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3490 _ident=$($_cc | head -n1)
3491 # 4509: "This form of conditional instruction is deprecated"
3492 _flags="-nologo -ignore 4509"
3493 _flags_filter=armasm_flags
3494 elif $_cc 2>&1 | grep -q Intel; then
3496 _ident=$($cc 2>&1 | head -n1)
3497 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3498 # Not only is O3 broken on 13.x+ but it is slower on all previous
3499 # versions (tested) as well.
3501 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3502 if $_cc 2>&1 | grep -q Linker; then
3509 _flags_filter=icl_flags
3511 _ld_path='-libpath:'
3512 # -Qdiag-error to make icl error when seeing certain unknown arguments
3513 _flags='-nologo -Qdiag-error:4044,10157'
3514 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3515 # with MSVC which enables it by default.
3516 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3517 if [ $pfx = hostcc ]; then
3518 append _cflags -Dsnprintf=_snprintf
3521 elif $_cc 2>&1 | grep -q Microsoft; then
3523 _ident=$($cc 2>&1 | head -n1)
3524 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3525 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3528 if $_cc 2>&1 | grep -q Linker; then
3535 _flags_filter=msvc_flags
3537 _ld_path='-libpath:'
3539 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3540 if [ $pfx = hostcc ]; then
3541 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then
3542 append _cflags -Dsnprintf=_snprintf
3546 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3548 _ident=$($_cc --version | head -n1)
3552 _flags_filter=cparser_flags
3555 eval ${pfx}_type=\$_type
3556 eval ${pfx}_ident=\$_ident
3560 eval ${1}_C=\${_cc_c-\${${1}_C}}
3561 eval ${1}_E=\${_cc_e-\${${1}_E}}
3562 eval ${1}_O=\${_cc_o-\${${1}_O}}
3564 if [ -n "$_depflags" ]; then
3565 eval ${1}_DEPFLAGS=\$_depflags
3567 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3568 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3569 eval DEP${1}FLAGS=\$_flags
3574 cflags_filter=$_flags_filter
3575 cflags_speed=$_cflags_speed
3576 cflags_size=$_cflags_size
3577 cflags_noopt=$_cflags_noopt
3578 add_cflags $_flags $_cflags
3579 cc_ldflags=$_ldflags
3582 probe_cc hostcc "$host_cc"
3583 host_cflags_filter=$_flags_filter
3584 add_host_cflags $_flags $_cflags
3587 test -n "$cc_type" && enable $cc_type ||
3588 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3590 : ${as_default:=$cc}
3591 : ${dep_cc_default:=$cc}
3592 : ${ld_default:=$cc}
3593 : ${host_ld_default:=$host_cc}
3594 set_default ar as dep_cc ld host_ld windres
3597 asflags_filter=$_flags_filter
3598 add_asflags $_flags $_cflags
3602 ldflags_filter=$_flags_filter
3603 add_ldflags $_flags $_ldflags
3604 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3606 LD_LIB=${_ld_lib-$LD_LIB}
3607 LD_PATH=${_ld_path-$LD_PATH}
3609 probe_cc hostld "$host_ld"
3610 host_ldflags_filter=$_flags_filter
3611 add_host_ldflags $_flags $_ldflags
3612 HOSTLD_O=${_ld_o-$HOSTLD_O}
3614 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3615 probe_cc depcc "$dep_cc"
3616 CCDEP=${_DEPCMD:-$DEPCMD}
3617 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3621 if $ar 2>&1 | grep -q Microsoft; then
3624 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3627 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3628 arflags='-Xany -r -c'
3630 elif $ar 2>&1 | grep -q "\[D\] "; then
3638 add_cflags $extra_cflags
3639 add_cxxflags $extra_cxxflags
3640 add_asflags $extra_cflags
3642 if test -n "$sysroot"; then
3645 add_cppflags --sysroot="$sysroot"
3646 add_ldflags --sysroot="$sysroot"
3647 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3648 add_cppflags -isysroot "$sysroot"
3649 add_ldflags -isysroot "$sysroot"
3652 add_cppflags -I"$sysinclude"
3653 add_ldflags --sysroot="$sysroot"
3658 if test "$cpu" = host; then
3659 enabled cross_compile &&
3660 die "--cpu=host makes no sense when cross-compiling."
3665 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3667 s/.*$1=\\([^ ]*\\).*/\\1/
3672 cpu=$(check_native -march || check_native -mcpu)
3676 test "${cpu:-host}" = host &&
3677 die "--cpu=host not supported with compiler $cc"
3680 # Deal with common $arch aliases
3694 "Power Macintosh"|ppc*|powerpc*)
3709 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3714 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3717 # Add processor-specific flags
3718 if enabled aarch64; then
3722 cpuflags="-march=$cpu"
3725 cpuflags="-mcpu=$cpu"
3729 elif enabled alpha; then
3731 cpuflags="-mcpu=$cpu"
3733 elif enabled arm; then
3736 check_cpp_condition stddef.h \
3737 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3742 if check_arm_arch 4; then echo armv4;
3743 elif check_arm_arch 4T; then echo armv4t;
3744 elif check_arm_arch 5; then echo armv5;
3745 elif check_arm_arch 5E; then echo armv5e;
3746 elif check_arm_arch 5T; then echo armv5t;
3747 elif check_arm_arch 5TE; then echo armv5te;
3748 elif check_arm_arch 5TEJ; then echo armv5te;
3749 elif check_arm_arch 6; then echo armv6;
3750 elif check_arm_arch 6J; then echo armv6j;
3751 elif check_arm_arch 6K; then echo armv6k;
3752 elif check_arm_arch 6Z; then echo armv6z;
3753 elif check_arm_arch 6ZK; then echo armv6zk;
3754 elif check_arm_arch 6T2; then echo armv6t2;
3755 elif check_arm_arch 7; then echo armv7;
3756 elif check_arm_arch 7A 7_A; then echo armv7-a;
3757 elif check_arm_arch 7S; then echo armv7-a;
3758 elif check_arm_arch 7R 7_R; then echo armv7-r;
3759 elif check_arm_arch 7M 7_M; then echo armv7-m;
3760 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3761 elif check_arm_arch 8A 8_A; then echo armv8-a;
3765 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3769 cpuflags="-march=$cpu"
3770 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3773 cpuflags="-mcpu=$cpu"
3775 cortex-a*) subarch=armv7a ;;
3776 cortex-r*) subarch=armv7r ;;
3777 cortex-m*) enable thumb; subarch=armv7m ;;
3778 arm11*) subarch=armv6 ;;
3779 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3780 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3781 *) subarch=$(probe_arm_arch) ;;
3787 armv5t*) enable fast_clz ;;
3790 disabled fast_unaligned || enable fast_unaligned
3794 elif enabled avr32; then
3799 cpuflags="-mpart=$cpu"
3803 cpuflags="-march=$cpu"
3807 cpuflags="-mcpu=$cpu"
3811 cpuflags="-march=$cpu"
3815 elif enabled bfin; then
3817 cpuflags="-mcpu=$cpu"
3819 elif enabled mips; then
3821 cpuflags="-march=$cpu"
3837 24kef*|34kf*|1004kf*)
3845 elif enabled ppc; then
3850 case $(tolower $cpu) in
3851 601|ppc601|powerpc601)
3852 cpuflags="-mcpu=601"
3855 603*|ppc603*|powerpc603*)
3856 cpuflags="-mcpu=603"
3859 604*|ppc604*|powerpc604*)
3860 cpuflags="-mcpu=604"
3863 g3|75*|ppc75*|powerpc75*)
3864 cpuflags="-mcpu=750"
3867 g4|745*|ppc745*|powerpc745*)
3868 cpuflags="-mcpu=7450"
3870 74*|ppc74*|powerpc74*)
3871 cpuflags="-mcpu=7400"
3873 g5|970|ppc970|powerpc970)
3874 cpuflags="-mcpu=970"
3877 cpuflags="-mcpu=$cpu"
3880 cpuflags="-mcpu=cell"
3884 cpuflags="-mcpu=e500mc"
3888 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3893 cpuflags="-mcpu=8540 -mhard-float"
3899 elif enabled sparc; then
3902 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3903 cpuflags="-mcpu=$cpu"
3905 ultrasparc*|niagara[234])
3906 cpuflags="-mcpu=$cpu"
3910 elif enabled x86; then
3914 cpuflags="-march=$cpu"
3918 # targets that do NOT support nopl and conditional mov (cmov)
3919 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3920 cpuflags="-march=$cpu"
3923 # targets that do support nopl and conditional mov (cmov)
3924 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
3925 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
3926 cpuflags="-march=$cpu"
3930 # targets that do support conditional mov but on which it's slow
3931 pentium4|pentium4m|prescott|nocona)
3932 cpuflags="-march=$cpu"
3940 if [ "$cpu" != generic ]; then
3941 add_cflags $cpuflags
3942 add_asflags $cpuflags
3945 # compiler sanity check
3947 int main(void){ return 0; }
3949 if test "$?" != 0; then
3950 echo "$cc is unable to create an executable file."
3951 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3952 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3953 echo "Only do this if you know what cross compiling means."
3955 die "C compiler test failed."
3958 add_cppflags -D_ISOC99_SOURCE
3959 add_cxxflags -D__STDC_CONSTANT_MACROS
3960 check_cflags -std=c99
3961 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3964 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3968 add_host_cppflags -D_ISOC99_SOURCE
3969 check_host_cflags -std=c99
3970 check_host_cflags -Wall
3971 check_host_cflags -O3
3977 check_code cc "" "int test[2*($expr) - 1]" &&
3978 subarch=$arch64 || subarch=$arch32
3986 check_64bit mips mips64 '_MIPS_SIM > 1'
3990 check_64bit parisc parisc64 'sizeof(void *) > 4'
3994 check_64bit ppc ppc64 'sizeof(void *) > 4'
3998 check_64bit s390 s390x 'sizeof(void *) > 4'
4002 check_64bit sparc sparc64 'sizeof(void *) > 4'
4006 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4007 # Treat x32 as x64 for now. Note it also needs spic=$shared
4008 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4010 if test "$subarch" = "x86_64"; then
4015 check_cc <<EOF && subarch="ppc64"
4016 int test[(int)sizeof(char*) - 7];
4022 enabled spic && enable_weak pic
4028 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4029 enabled shared && add_ldflags -Wl,-brtl
4033 enable section_data_rel_ro
4034 SLIB_INSTALL_NAME='$(SLIBNAME)'
4036 # soname not set on purpose
4040 prefix_default="/boot/common"
4041 network_extralibs="-lnetwork"
4045 SHFLAGS='-shared -Wl,-h,$$(@F)'
4046 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4047 network_extralibs="-lsocket -lnsl"
4048 add_cppflags -D__EXTENSIONS__
4049 # When using suncc to build, the Solaris linker will mark
4050 # an executable with each instruction set encountered by
4051 # the Solaris assembler. As our libraries contain their own
4052 # guards for processor-specific code, instead suppress
4053 # generation of the HWCAPS ELF section on Solaris x86 only.
4054 enabled_all suncc x86 &&
4055 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4056 add_ldflags -Wl,-M,mapfile
4057 nm_default='nm -P -g'
4061 oss_indev_extralibs="-lossaudio"
4062 oss_outdev_extralibs="-lossaudio"
4063 enabled gcc || check_ldflags -Wl,-zmuldefs
4068 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4070 oss_indev_extralibs="-lossaudio"
4071 oss_outdev_extralibs="-lossaudio"
4079 add_extralibs -lpoll -lgnugetopt
4083 enabled ppc && add_asflags -force_cpusubtype_ALL
4084 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4085 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4087 add_ldflags -Wl,-dynamic,-search_paths_first
4089 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4090 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4092 enabled x86_64 && objformat="macho64"
4093 enabled_any pic shared x86_64 ||
4094 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4097 if test $target_os = "mingw32ce"; then
4103 if enabled x86_64; then
4104 LIBTARGET="i386:x86-64"
4105 elif enabled arm; then
4108 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4109 check_ldflags -Wl,--nxcompat
4110 check_ldflags -Wl,--dynamicbase
4111 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4112 shlibdir_default="$bindir_default"
4115 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4116 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4117 dlltool="${cross_prefix}dlltool"
4118 if check_cmd lib.exe -list; then
4119 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4120 if enabled x86_64; then
4123 elif check_cmd $dlltool --version; then
4124 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4126 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4128 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4129 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4130 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4137 if enabled shared; then
4138 # Link to the import library instead of the normal static library
4141 # Cannot build both shared and static libs with MSVC or icl.
4144 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4145 shlibdir_default="$bindir_default"
4148 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4149 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4150 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4151 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4153 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4154 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4155 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4162 shlibdir_default="$bindir_default"
4165 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4166 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4167 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4169 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4170 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4173 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4175 *-dos|freedos|opendos)
4176 network_extralibs="-lsocket"
4179 add_cppflags -U__STRICT_ANSI__
4183 enable section_data_rel_ro
4187 ranlib="echo ignoring ranlib"
4193 add_cppflags -D_GNU_SOURCE
4194 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4195 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4199 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4200 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4201 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4202 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
4203 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4204 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4205 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4206 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
4207 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4208 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4209 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4211 enable_weak os2threads
4214 add_cppflags -D_BSD_SOURCE
4219 add_cppflags -D_QNX_SOURCE
4220 network_extralibs="-lsocket"
4225 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4226 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4227 add_ldflags -Wl,--target1-abs,--no-undefined \
4228 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4229 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4230 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4231 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4232 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4235 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4240 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4241 -D_REENTRANT_SOURCE \
4242 -D_RESEARCH_SOURCE \
4245 add_compat strtod.o strtod=avpriv_strtod
4246 network_extralibs='-lbsd'
4247 exeobjs=compat/plan9/main.o
4254 die "Unknown OS '$target_os'."
4258 # determine libc flavour
4263 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4264 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4265 eval ${pfx}libc_type=uclibc
4266 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4267 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4268 eval ${pfx}libc_type=glibc
4269 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4270 # MinGW headers can be installed on Cygwin, so check for newlib first.
4271 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4272 eval ${pfx}libc_type=newlib
4273 add_${pfx}cppflags -U__STRICT_ANSI__
4274 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4275 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4276 eval ${pfx}libc_type=mingw64
4277 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4278 add_compat msvcrt/snprintf.o
4279 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4281 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4282 eval test \$${pfx_no_}cc_type = "gcc" &&
4283 add_${pfx}cppflags -D__printf__=__gnu_printf__
4284 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4285 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4286 eval ${pfx}libc_type=mingw32
4287 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4288 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4289 die "ERROR: MinGW32 runtime version must be >= 3.15."
4290 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4291 eval test \$${pfx_no_}cc_type = "gcc" &&
4292 add_${pfx}cppflags -D__printf__=__gnu_printf__
4293 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4294 eval ${pfx}libc_type=msvcrt
4295 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4296 # 0x601 by default unless something else is set by the user.
4297 # This can easily lead to us detecting functions only present
4298 # in such new versions and producing binaries requiring windows 7.0.
4299 # Therefore explicitly set the default to XP unless the user has
4300 # set something else on the command line.
4301 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4302 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4303 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4304 eval ${pfx}libc_type=klibc
4305 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4306 eval ${pfx}libc_type=bionic
4307 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4308 eval ${pfx}libc_type=solaris
4309 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4311 check_${pfx}cc <<EOF
4313 void *v = localtime_r;
4315 test "$?" != 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
4317 void *v = localtime_r;
4323 test -n "$libc_type" && enable libc_$libc_type
4325 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4329 add_compat strtod.o strtod=avpriv_strtod
4332 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then
4333 add_compat strtod.o strtod=avpriv_strtod
4334 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4335 _snprintf=avpriv_snprintf \
4336 vsnprintf=avpriv_vsnprintf
4341 # hacks for compiler/libc/os combinations
4343 if enabled_all tms470 libc_glibc; then
4344 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4345 add_cppflags -D__USER_LABEL_PREFIX__=
4346 add_cppflags -D__builtin_memset=memset
4347 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4348 add_cflags -pds=48 # incompatible redefinition of macro
4351 if enabled_all ccc libc_glibc; then
4352 add_ldflags -Wl,-z,now # calls to libots crash without this
4355 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4356 add_cppflags '-I\$(SRC_PATH)/compat/float'
4359 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4362 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4364 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4367 : ${shlibdir_default:="$libdir"}
4369 set_default $PATHS_LIST
4372 # we need to build at least one lib type
4373 if ! enabled_any static shared; then
4375 At least one library type must be built.
4376 Specify --enable-static to build the static libraries or --enable-shared to
4377 build the shared libraries as well. To only build the shared libraries specify
4378 --disable-static in addition to --enable-shared.
4383 die_license_disabled() {
4384 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4387 die_license_disabled_gpl() {
4388 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4391 die_license_disabled gpl frei0r
4392 die_license_disabled gpl libcdio
4393 die_license_disabled gpl libsmbclient
4394 die_license_disabled gpl libutvideo
4395 die_license_disabled gpl libvidstab
4396 die_license_disabled gpl libx264
4397 die_license_disabled gpl libx265
4398 die_license_disabled gpl libxavs
4399 die_license_disabled gpl libxvid
4400 die_license_disabled gpl libzvbi
4401 die_license_disabled gpl x11grab
4403 die_license_disabled nonfree libaacplus
4404 die_license_disabled nonfree libfaac
4405 die_license_disabled nonfree nvenc
4406 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4407 enabled gpl && die_license_disabled_gpl nonfree openssl
4409 die_license_disabled version3 libopencore_amrnb
4410 die_license_disabled version3 libopencore_amrwb
4411 die_license_disabled version3 libsmbclient
4412 die_license_disabled version3 libvo_aacenc
4413 die_license_disabled version3 libvo_amrwbenc
4415 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4417 disabled optimizations || check_cflags -fomit-frame-pointer
4420 disabled pic && return
4423 case "$target_os" in
4433 enabled pic && enable_weak_pic
4435 check_cc <<EOF || die "Symbol mangling check failed."
4438 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4439 extern_prefix=${sym%%ff_extern*}
4441 check_cc <<EOF && enable_weak inline_asm
4442 void foo(void) { __asm__ volatile ("" ::); }
4446 for restrict_keyword in restrict __restrict__ __restrict; do
4447 check_cc <<EOF && _restrict=$restrict_keyword && break
4448 void foo(char * $restrict_keyword p);
4452 check_cc <<EOF && enable pragma_deprecated
4453 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4456 check_cc <<EOF && enable attribute_packed
4457 struct { int x; } __attribute__((packed)) x;
4460 check_cc <<EOF && enable attribute_may_alias
4461 union { int x; } __attribute__((may_alias)) x;
4464 check_cc <<EOF || die "endian test failed"
4465 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4467 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4469 if [ "$cpu" = "power7" ] || [ "$cpu" = "power8" ] || enabled ppc64; then
4470 if ! enabled bigendian && enabled altivec ;then
4476 log "check_gas using '$as' as AS"
4477 # :vararg is used on aarch64, arm and ppc altivec
4478 check_as <<EOF || return 1
4479 .macro m n, y:vararg=0
4484 # .altmacro is only used in arm asm
4485 ! enabled arm || check_as <<EOF || return 1
4492 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4494 enabled_any arm aarch64 && nogas=die
4495 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4499 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4500 gcc) gaspp_as_type=gas ;;
4501 *) gaspp_as_type=$as_type ;;
4504 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4506 test "${as#*gas-preprocessor.pl}" != "$as" ||
4507 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4508 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4510 if ! check_gas ; then
4513 $nogas "GNU assembler not found, install/update gas-preprocessor"
4516 check_as <<EOF && enable as_func
4522 check_inline_asm inline_asm_labels '"1:\n"'
4524 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4526 if enabled aarch64; then
4527 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4528 # internal assembler in clang 3.3 does not support this instruction
4529 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4530 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4532 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4534 elif enabled alpha; then
4538 elif enabled arm; then
4540 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4541 float func(float a, float b){ return a+b; }
4544 enabled thumb && check_cflags -mthumb || check_cflags -marm
4546 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4548 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4549 case "${cross_prefix:-$cc}" in
4550 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4551 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4552 __asm__ (".eabi_attribute 28, 1");
4553 int main(void) { return 0; }
4556 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4559 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4560 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4561 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4562 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4563 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4564 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4565 enabled setend && check_insn setend 'setend be'
4567 [ $target_os = linux ] || [ $target_os = android ] ||
4568 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4571 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4573 check_as <<EOF && enable as_dn_directive
4578 # llvm's integrated assembler supports .object_arch from llvm 3.5
4579 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4583 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4585 elif enabled mips; then
4587 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4589 # Enable minimum ISA based on selected options
4590 if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then
4591 add_cflags "-mips64r2"
4592 add_asflags "-mips64r2"
4593 elif enabled mips64 && enabled mipsfpu; then
4594 add_cflags "-mips64"
4595 add_asflags "-mips64"
4596 elif enabled mipsfpu || enabled mipsdspr1 || enabled mipsdspr2; then
4597 add_cflags "-mips32r2"
4598 add_asflags "-mips32r2"
4601 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4602 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4603 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4604 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4605 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4606 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4608 elif enabled parisc; then
4610 if enabled gcc; then
4611 case $($cc -dumpversion) in
4612 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
4616 elif enabled ppc; then
4618 enable local_aligned_8 local_aligned_16 local_aligned_32
4620 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4621 check_inline_asm ibm_asm '"add 0, 0, 0"'
4622 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4623 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4625 # AltiVec flags: The FSF version of GCC differs from the Apple version
4626 if enabled altivec; then
4627 check_cflags -maltivec -mabi=altivec &&
4628 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4629 check_cflags -faltivec
4631 # check if our compiler supports Motorola AltiVec C API
4632 check_cc <<EOF || disable altivec
4635 vector signed int v1 = (vector signed int) { 0 };
4636 vector signed int v2 = (vector signed int) { 1 };
4637 v1 = vec_add(v1, v2);
4642 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4645 if enabled vsx; then
4648 elif enabled x86; then
4650 check_builtin rdtsc intrin.h "__rdtsc()"
4651 check_builtin mm_empty mmintrin.h "_mm_empty()"
4653 enable local_aligned_8 local_aligned_16 local_aligned_32
4655 # check whether EBP is available on x86
4656 # As 'i' is stored on the stack, this program will crash
4657 # if the base pointer is used to access it because the
4658 # base pointer is cleared in the inline assembly code.
4659 check_exec_crash <<EOF && enable ebp_available
4661 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4665 # check whether EBX is available on x86
4666 check_inline_asm ebx_available '""::"b"(0)' &&
4667 check_inline_asm ebx_available '"":::"%ebx"'
4669 # check whether xmm clobbers are supported
4670 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4672 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4673 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4675 # check whether binutils is new enough to compile SSSE3/MMXEXT
4676 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4677 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4679 if ! disabled_any asm mmx yasm; then
4680 if check_cmd $yasmexe --version; then
4681 enabled x86_64 && yasm_extra="-m amd64"
4682 yasm_debug="-g dwarf2"
4683 elif check_cmd nasm -v; then
4685 yasm_debug="-g -F dwarf"
4686 if enabled x86_64; then
4687 case "$objformat" in
4688 elf) objformat=elf64 ;;
4689 win32) objformat=win64 ;;
4694 YASMFLAGS="-f $objformat $yasm_extra"
4695 enabled pic && append YASMFLAGS "-DPIC"
4696 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4697 case "$objformat" in
4698 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4701 check_yasm "movbe ecx, [5]" && enable yasm ||
4702 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4703 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4704 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4705 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4706 check_yasm "CPU amdnop" || disable cpunop
4710 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4717 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4719 check_ldflags -Wl,--as-needed
4720 check_ldflags -Wl,-z,noexecstack
4722 if check_func dlopen; then
4724 elif check_func dlopen -ldl; then
4728 frei0r_filter_extralibs='$ldl'
4729 frei0r_src_filter_extralibs='$ldl'
4730 ladspa_filter_extralibs='$ldl'
4731 nvenc_encoder_extralibs='$ldl'
4733 if ! disabled network; then
4734 check_func getaddrinfo $network_extralibs
4735 check_func getservbyport $network_extralibs
4736 check_func inet_aton $network_extralibs
4738 check_type netdb.h "struct addrinfo"
4739 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4740 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4741 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4742 check_type poll.h "struct pollfd"
4743 check_type netinet/sctp.h "struct sctp_event_subscribe"
4744 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4745 check_type netinet/in.h "struct sockaddr_in6"
4746 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4747 check_type "sys/types.h sys/socket.h" socklen_t
4749 # Prefer arpa/inet.h over winsock2
4750 if check_header arpa/inet.h ; then
4751 check_func closesocket
4752 elif check_header winsock2.h ; then
4753 check_func_headers winsock2.h closesocket -lws2 &&
4754 network_extralibs="-lws2" ||
4755 { check_func_headers winsock2.h closesocket -lws2_32 &&
4756 network_extralibs="-lws2_32"; } || disable winsock2_h network
4757 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4759 check_type ws2tcpip.h socklen_t
4760 check_type ws2tcpip.h "struct addrinfo"
4761 check_type ws2tcpip.h "struct group_source_req"
4762 check_type ws2tcpip.h "struct ip_mreq_source"
4763 check_type ws2tcpip.h "struct ipv6_mreq"
4764 check_type winsock2.h "struct pollfd"
4765 check_struct winsock2.h "struct sockaddr" sa_len
4766 check_type ws2tcpip.h "struct sockaddr_in6"
4767 check_type ws2tcpip.h "struct sockaddr_storage"
4773 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4774 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
4775 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4776 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4777 check_builtin sarestart signal.h "SA_RESTART"
4778 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4780 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4781 check_func ${malloc_prefix}memalign && enable memalign
4782 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4785 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4788 check_func gethrtime
4790 check_func getrusage
4791 check_func gettimeofday
4794 check_func localtime_r
4795 check_func mach_absolute_time
4799 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4800 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4801 check_func sched_getaffinity
4802 check_func setrlimit
4803 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4804 check_func strerror_r
4809 check_func_headers conio.h kbhit
4810 check_func_headers io.h setmode
4811 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4812 check_func_headers stdlib.h getenv
4814 check_func_headers windows.h CoTaskMemFree -lole32
4815 check_func_headers windows.h GetProcessAffinityMask
4816 check_func_headers windows.h GetProcessTimes
4817 check_func_headers windows.h GetSystemTimeAsFileTime
4818 check_func_headers windows.h MapViewOfFile
4819 check_func_headers windows.h PeekNamedPipe
4820 check_func_headers windows.h SetConsoleTextAttribute
4821 check_func_headers windows.h Sleep
4822 check_func_headers windows.h VirtualAlloc
4823 check_struct windows.h "CONDITION_VARIABLE" Ptr
4824 check_func_headers glob.h glob
4826 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4828 check_header direct.h
4829 check_header dlfcn.h
4831 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4833 check_header libcrystalhd/libcrystalhd_if.h
4834 check_header mach/mach_time.h
4835 check_header malloc.h
4836 check_header net/udplite.h
4838 check_header sys/mman.h
4839 check_header sys/param.h
4840 check_header sys/resource.h
4841 check_header sys/select.h
4842 check_header sys/time.h
4843 check_header sys/un.h
4844 check_header termios.h
4845 check_header unistd.h
4846 check_header vdpau/vdpau.h
4847 check_header vdpau/vdpau_x11.h
4848 check_header VideoDecodeAcceleration/VDADecoder.h
4849 check_header windows.h
4850 check_header X11/extensions/XvMClib.h
4851 check_header asm/types.h
4853 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4854 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4855 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4857 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4859 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"
4861 if ! disabled w32threads && ! enabled pthreads; then
4862 check_func_headers "windows.h process.h" _beginthreadex &&
4863 enable w32threads || disable w32threads
4866 # check for some common methods of building with pthread support
4867 # do this before the optional library checks as some of them require pthreads
4868 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4870 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4872 add_extralibs -pthread
4873 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4874 add_cflags -pthreads
4875 add_extralibs -pthreads
4876 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
4877 add_cflags -ldl -pthread
4878 add_extralibs -ldl -pthread
4879 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4880 add_extralibs -lpthreadGC2
4881 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4883 elif ! check_func pthread_join && ! check_func pthread_create; then
4886 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
4890 if enabled pthreads; then
4891 check_func pthread_cancel
4894 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4895 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4896 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
4898 check_lib math.h sin -lm && LIBM="-lm"
4899 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4905 for func in $MATH_FUNCS; do
4906 eval check_mathfunc $func \${${func}_args:-1}
4909 # these are off by default, so fail if requested and not available
4910 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
4911 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
4912 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
4913 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4914 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4915 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4916 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
4917 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4918 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4919 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4920 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4921 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4922 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4923 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
4924 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4925 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4926 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4927 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4928 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4929 enabled libdcadec && require libdcadec libdcadec/dca_context.h dcadec_context_create -ldcadec
4930 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4931 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4932 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"
4933 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4934 enabled fontconfig && enable libfontconfig
4935 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4936 enabled libfreetype && require_libfreetype
4937 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
4938 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4939 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4940 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4941 done || die "ERROR: libgsm not found"; }
4942 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4943 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
4944 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
4945 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4946 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4947 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4948 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4949 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4950 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
4951 enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||
4952 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4953 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4954 die "ERROR: libopenjpeg not found"; }
4955 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4956 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
4957 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4958 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4959 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4960 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4961 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
4962 require smbclient libsmbclient.h smbc_init -lsmbclient; }
4963 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4964 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4965 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
4966 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4967 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4968 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4969 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4970 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4971 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4972 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4973 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4974 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4975 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
4976 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4977 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4978 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4980 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4981 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4982 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 ||
4983 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4984 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4985 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; } }
4986 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4987 enabled libwebp && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
4988 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
4989 { require libx264 x264.h x264_encoder_encode -lx264 &&
4990 warn "using libx264 without pkg-config"; } } &&
4991 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4992 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4993 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
4994 { check_cpp_condition x265.h "X265_BUILD >= 17" ||
4995 die "ERROR: libx265 version must be >= 17."; }
4996 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4997 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4998 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4999 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
5000 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5001 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5002 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5003 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5004 die "ERROR: openal not found"; } &&
5005 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5006 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5007 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5008 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5009 die "ERROR: opencl not found"; } &&
5010 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5011 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5012 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5013 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5014 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5015 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5016 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5017 die "ERROR: opengl not found."
5019 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5020 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5021 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5022 die "ERROR: openssl not found"; }
5023 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
5025 if enabled gnutls; then
5026 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
5027 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
5031 if enabled libdc1394; then
5032 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5033 enable libdc1394_2; } ||
5034 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5035 enable libdc1394_1; } ||
5036 die "ERROR: No version of libdc1394 found "
5038 if ! disabled sdl; then
5039 SDL_CONFIG="${cross_prefix}sdl-config"
5040 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5041 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5042 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5045 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5046 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5047 sdl_libs=$("${SDL_CONFIG}" --libs)
5048 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5049 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5050 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5052 elif enabled sdl ; then
5053 die "ERROR: SDL not found"
5059 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5061 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5062 enabled makeinfo && (makeinfo --version | \
5063 grep -q 'makeinfo (GNU texinfo) 5' > /dev/null 2>&1) \
5064 && enable makeinfo_html || disable makeinfo_html
5065 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5066 perl -v > /dev/null 2>&1 && enable perl || disable perl
5067 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5068 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5070 check_header linux/fb.h
5071 check_header linux/videodev.h
5072 check_header linux/videodev2.h
5073 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5075 check_header sys/videoio.h
5076 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5078 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5079 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5080 # w32api 3.12 had it defined wrong
5081 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5083 check_type "dshow.h" IBaseFilter
5085 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5086 { check_header dev/bktr/ioctl_meteor.h &&
5087 check_header dev/bktr/ioctl_bt848.h; } ||
5088 { check_header machine/ioctl_meteor.h &&
5089 check_header machine/ioctl_bt848.h; } ||
5090 { check_header dev/video/meteor/ioctl_meteor.h &&
5091 check_header dev/video/bktr/ioctl_bt848.h; } ||
5092 check_header dev/ic/bt8xx.h
5094 check_header sndio.h
5095 if check_struct sys/soundcard.h audio_buf_info bytes; then
5096 enable_safe sys/soundcard.h
5098 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5099 #include <sys/soundcard.h>
5103 check_header soundcard.h
5105 enabled_any alsa_indev alsa_outdev &&
5106 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5108 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
5109 check_func jack_port_get_latency_range -ljack
5111 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5113 if enabled libcdio; then
5114 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5115 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5116 die "ERROR: No usable libcdio/cdparanoia found"
5120 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5122 if ! disabled libxcb; then
5123 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5124 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5125 } && disable x11grab && enable libxcb
5127 if enabled libxcb; then
5128 disabled libxcb_shm || {
5129 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5130 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5131 } && check_header sys/shm.h && enable libxcb_shm; }
5133 disabled libxcb_xfixes || {
5134 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5135 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5136 } && enable libxcb_xfixes; }
5138 disabled libxcb_shape || {
5139 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5140 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5141 } && enable libxcb_shape; }
5143 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5144 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5148 if enabled x11grab; then
5149 enabled xlib || die "ERROR: Xlib not found"
5150 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5151 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5154 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5156 enabled dxva2api_h &&
5157 check_cc <<EOF && enable dxva2api_cobj
5158 #define _WIN32_WINNT 0x0600
5160 #include <windows.h>
5162 #include <dxva2api.h>
5163 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5167 check_lib va/va.h vaInitialize -lva ||
5170 enabled vaapi && enabled xlib &&
5171 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5175 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5178 enabled vdpau && enabled xlib &&
5179 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5180 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5183 # Funny iconv installations are not unusual, so check it after all flags have been set
5184 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5186 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5188 # add some useful compiler flags if supported
5189 check_cflags -Wdeclaration-after-statement
5191 check_cflags -Wdisabled-optimization
5192 check_cflags -Wpointer-arith
5193 check_cflags -Wredundant-decls
5194 check_cflags -Wwrite-strings
5195 check_cflags -Wtype-limits
5196 check_cflags -Wundef
5197 check_cflags -Wmissing-prototypes
5198 check_cflags -Wno-pointer-to-int-cast
5199 check_cflags -Wstrict-prototypes
5200 check_cflags -Wempty-body
5201 enabled extra_warnings && check_cflags -Winline
5203 check_disable_warning(){
5204 warning_flag=-W${1#-Wno-}
5205 test_cflags $warning_flag && add_cflags $1
5208 check_disable_warning -Wno-parentheses
5209 check_disable_warning -Wno-switch
5210 check_disable_warning -Wno-format-zero-length
5211 check_disable_warning -Wno-pointer-sign
5213 # add some linker flags
5214 check_ldflags -Wl,--warn-common
5215 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5216 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5217 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5219 # add some strip flags
5220 # -wN '..@*' is more selective than -x, but not available everywhere.
5221 check_stripflags -wN \'..@*\' || check_stripflags -x
5223 enabled neon_clobber_test &&
5224 check_ldflags -Wl,--wrap,avcodec_open2 \
5225 -Wl,--wrap,avcodec_decode_audio4 \
5226 -Wl,--wrap,avcodec_decode_video2 \
5227 -Wl,--wrap,avcodec_decode_subtitle2 \
5228 -Wl,--wrap,avcodec_encode_audio2 \
5229 -Wl,--wrap,avcodec_encode_video2 \
5230 -Wl,--wrap,avcodec_encode_subtitle \
5231 -Wl,--wrap,swr_convert \
5232 -Wl,--wrap,avresample_convert ||
5233 disable neon_clobber_test
5235 enabled xmm_clobber_test &&
5236 check_ldflags -Wl,--wrap,avcodec_open2 \
5237 -Wl,--wrap,avcodec_decode_audio4 \
5238 -Wl,--wrap,avcodec_decode_video2 \
5239 -Wl,--wrap,avcodec_decode_subtitle2 \
5240 -Wl,--wrap,avcodec_encode_audio2 \
5241 -Wl,--wrap,avcodec_encode_video \
5242 -Wl,--wrap,avcodec_encode_video2 \
5243 -Wl,--wrap,avcodec_encode_subtitle \
5244 -Wl,--wrap,swr_convert \
5245 -Wl,--wrap,avresample_convert \
5246 -Wl,--wrap,sws_scale ||
5247 disable xmm_clobber_test
5250 if test_ldflags -Wl,--version-script,$TMPV; then
5251 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5252 check_cc <<EOF && enable symver_asm_label
5253 void ff_foo(void) __asm__ ("av_foo@VERSION");
5254 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5256 check_cc <<EOF && enable symver_gnu_asm
5257 __asm__(".symver ff_foo,av_foo@VERSION");
5258 void ff_foo(void) {}
5262 if [ -z "$optflags" ]; then
5263 if enabled small; then
5264 optflags=$cflags_size
5265 elif enabled optimizations; then
5266 optflags=$cflags_speed
5268 optflags=$cflags_noopt
5274 enabled lto && check_ldflags "$@"
5278 if enabled lto; then
5279 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5281 check_ldflags -flto $cpuflags
5282 disable inline_asm_direct_symbol_refs
5285 check_optflags $optflags
5286 check_optflags -fno-math-errno
5287 check_optflags -fno-signed-zeros
5289 enabled ftrapv && check_cflags -ftrapv
5291 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5296 if enabled icc; then
5297 # Just warnings, no remarks
5299 # -wd: Disable following warnings
5300 # 144, 167, 556: -Wno-pointer-sign
5301 # 188: enumerated type mixed with another type
5302 # 1292: attribute "foo" ignored
5303 # 1419: external declaration in primary source file
5304 # 10006: ignoring unknown option -fno-signed-zeros
5305 # 10148: ignoring unknown option -Wno-parentheses
5306 # 10156: ignoring option '-W'; no argument required
5307 # 13200: No EMMS instruction before call to function
5308 # 13203: No EMMS instruction before return from function
5309 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
5310 # 11030: Warning unknown option --as-needed
5311 # 10156: ignoring option '-export'; no argument required
5312 check_ldflags -wd10156,11030
5313 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5314 enable ebp_available
5315 # The test above does not test linking
5316 enabled lto && disable symver_asm_label
5317 if enabled x86_32; then
5318 icc_version=$($cc -dumpversion)
5319 test ${icc_version%%.*} -ge 11 &&
5320 check_cflags -falign-stack=maintain-16-byte ||
5321 disable aligned_stack
5323 elif enabled ccc; then
5324 # disable some annoying warnings
5325 add_cflags -msg_disable bitnotint
5326 add_cflags -msg_disable mixfuncvoid
5327 add_cflags -msg_disable nonstandcast
5328 add_cflags -msg_disable unsupieee
5329 elif enabled gcc; then
5330 check_optflags -fno-tree-vectorize
5331 check_cflags -Werror=format-security
5332 check_cflags -Werror=implicit-function-declaration
5333 check_cflags -Werror=missing-prototypes
5334 check_cflags -Werror=return-type
5335 check_cflags -Werror=vla
5336 check_cflags -Wformat
5337 check_cflags -fdiagnostics-color=auto
5338 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5339 elif enabled llvm_gcc; then
5340 check_cflags -mllvm -stack-alignment=16
5341 elif enabled clang; then
5342 check_cflags -mllvm -stack-alignment=16
5343 check_cflags -Qunused-arguments
5344 check_cflags -Werror=implicit-function-declaration
5345 check_cflags -Werror=missing-prototypes
5346 check_cflags -Werror=return-type
5347 elif enabled cparser; then
5348 add_cflags -Wno-missing-variable-declarations
5349 add_cflags -Wno-empty-statement
5350 elif enabled armcc; then
5351 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5352 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5353 # 2523: use of inline assembly is deprecated
5354 add_cflags -W${armcc_opt},--diag_suppress=2523
5355 add_cflags -W${armcc_opt},--diag_suppress=1207
5356 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5357 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5358 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5359 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5360 elif enabled tms470; then
5361 add_cflags -pds=824 -pds=837
5363 elif enabled pathscale; then
5364 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5365 elif enabled_any msvc icl; then
5366 enabled x86_32 && disable aligned_stack
5367 enabled_all x86_32 debug && add_cflags -Oy-
5368 enabled debug && add_ldflags -debug
5369 enable pragma_deprecated
5370 if enabled icl; then
5371 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5372 # (correctly) on icl 13.x.
5373 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5374 add_cflags -Qansi-alias
5375 # Some inline asm is not compilable in debug
5376 if enabled debug; then
5377 disable ebp_available
5378 disable ebx_available
5381 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 onwards actually has log2.
5382 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5387 add_asflags -Qunused-arguments
5393 check_ldflags -Qunused-arguments
5399 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5402 add_cppflags -Dmain=plan9_main
5406 enable frame_thread_encoder
5408 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5410 check_deps $CONFIG_LIST \
5415 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"
5418 if test $target_os = "haiku"; then
5420 disable posix_memalign
5423 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5424 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
5427 ! enabled_any memalign posix_memalign aligned_malloc &&
5428 enabled simd_align_16 && enable memalign_hack
5431 # -> enable ${lib}_deps_${dep}
5432 # -> add $dep to ${lib}_deps only once
5436 enabled "${lib}_deps_${dep}" && return 0
5437 enable "${lib}_deps_${dep}"
5438 prepend "${lib}_deps" $dep
5441 # merge deps lib components
5442 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5447 enabled $comp || continue
5448 eval "dep=\"\$${comp}_deps\""
5455 merge_deps libavfilter $FILTER_LIST
5457 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5459 for thread in $THREADS_LIST; do
5460 if enabled $thread; then
5461 test -n "$thread_type" &&
5462 die "ERROR: Only one thread type must be selected." ||
5463 thread_type="$thread"
5467 enabled zlib && add_cppflags -DZLIB_CONST
5469 # conditional library dependencies, in linking order
5470 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5471 enabled aresample_filter && prepend avfilter_deps "swresample"
5472 enabled asyncts_filter && prepend avfilter_deps "avresample"
5473 enabled atempo_filter && prepend avfilter_deps "avcodec"
5474 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5475 enabled elbg_filter && prepend avfilter_deps "avcodec"
5476 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
5477 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5478 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5479 enabled pan_filter && prepend avfilter_deps "swresample"
5480 enabled pp_filter && prepend avfilter_deps "postproc"
5481 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5482 enabled resample_filter && prepend avfilter_deps "avresample"
5483 enabled sab_filter && prepend avfilter_deps "swscale"
5484 enabled scale_filter && prepend avfilter_deps "swscale"
5485 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5486 enabled smartblur_filter && prepend avfilter_deps "swscale"
5487 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5488 enabled uspp_filter && prepend avfilter_deps "avcodec"
5490 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5492 enabled opus_decoder && prepend avcodec_deps "swresample"
5496 eval "deps=\$$lib_deps"
5497 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5501 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5502 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5504 map 'expand_deps $v' $LIBRARY_LIST
5506 echo "install prefix $prefix"
5507 echo "source path $source_path"
5508 echo "C compiler $cc"
5509 echo "C library $libc_type"
5510 if test "$host_cc" != "$cc"; then
5511 echo "host C compiler $host_cc"
5512 echo "host C library $host_libc_type"
5514 echo "ARCH $arch ($cpu)"
5515 if test "$build_suffix" != ""; then
5516 echo "build suffix $build_suffix"
5518 if test "$progs_suffix" != ""; then
5519 echo "progs suffix $progs_suffix"
5521 if test "$extra_version" != ""; then
5522 echo "version string suffix $extra_version"
5524 echo "big-endian ${bigendian-no}"
5525 echo "runtime cpu detection ${runtime_cpudetect-no}"
5526 if enabled x86; then
5527 echo "${yasmexe} ${yasm-no}"
5528 echo "MMX enabled ${mmx-no}"
5529 echo "MMXEXT enabled ${mmxext-no}"
5530 echo "3DNow! enabled ${amd3dnow-no}"
5531 echo "3DNow! extended enabled ${amd3dnowext-no}"
5532 echo "SSE enabled ${sse-no}"
5533 echo "SSSE3 enabled ${ssse3-no}"
5534 echo "AVX enabled ${avx-no}"
5535 echo "XOP enabled ${xop-no}"
5536 echo "FMA3 enabled ${fma3-no}"
5537 echo "FMA4 enabled ${fma4-no}"
5538 echo "i686 features enabled ${i686-no}"
5539 echo "CMOV is fast ${fast_cmov-no}"
5540 echo "EBX available ${ebx_available-no}"
5541 echo "EBP available ${ebp_available-no}"
5543 if enabled aarch64; then
5544 echo "NEON enabled ${neon-no}"
5545 echo "VFP enabled ${vfp-no}"
5547 if enabled arm; then
5548 echo "ARMv5TE enabled ${armv5te-no}"
5549 echo "ARMv6 enabled ${armv6-no}"
5550 echo "ARMv6T2 enabled ${armv6t2-no}"
5551 echo "VFP enabled ${vfp-no}"
5552 echo "NEON enabled ${neon-no}"
5553 echo "THUMB enabled ${thumb-no}"
5555 if enabled mips; then
5556 echo "MIPS FPU enabled ${mipsfpu-no}"
5557 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5558 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5560 if enabled ppc; then
5561 echo "AltiVec enabled ${altivec-no}"
5562 echo "PPC 4xx optimizations ${ppc4xx-no}"
5563 echo "PPC VSX optimizations ${vsx-no}"
5564 echo "dcbzl available ${dcbzl-no}"
5566 echo "debug symbols ${debug-no}"
5567 echo "strip symbols ${stripping-no}"
5568 echo "optimize for size ${small-no}"
5569 echo "optimizations ${optimizations-no}"
5570 echo "static ${static-no}"
5571 echo "shared ${shared-no}"
5572 echo "postprocessing support ${postproc-no}"
5573 echo "new filter support ${avfilter-no}"
5574 echo "network support ${network-no}"
5575 echo "threading support ${thread_type-no}"
5576 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5577 echo "SDL support ${sdl-no}"
5578 echo "opencl enabled ${opencl-no}"
5579 echo "texi2html enabled ${texi2html-no}"
5580 echo "perl enabled ${perl-no}"
5581 echo "pod2man enabled ${pod2man-no}"
5582 echo "makeinfo enabled ${makeinfo-no}"
5583 echo "makeinfo supports HTML ${makeinfo_html-no}"
5584 test -n "$random_seed" &&
5585 echo "random seed ${random_seed}"
5588 echo "External libraries:"
5589 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5592 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5593 echo "Enabled ${type}s:"
5594 eval list=\$$(toupper $type)_LIST
5595 print_enabled '_*' $list | print_3_columns
5599 license="LGPL version 2.1 or later"
5600 if enabled nonfree; then
5601 license="nonfree and unredistributable"
5602 elif enabled gplv3; then
5603 license="GPL version 3 or later"
5604 elif enabled lgplv3; then
5605 license="LGPL version 3 or later"
5606 elif enabled gpl; then
5607 license="GPL version 2 or later"
5610 echo "License: $license"
5612 echo "Creating config.mak, config.h, and doc/config.texi..."
5614 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5616 enabled stripping || strip="echo skipping strip"
5618 config_files="$TMPH config.mak doc/config.texi"
5620 cat > config.mak <<EOF
5621 # Automatically generated by configure - do not modify!
5622 ifndef FFMPEG_CONFIG_MAK
5624 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5626 LIBDIR=\$(DESTDIR)$libdir
5627 SHLIBDIR=\$(DESTDIR)$shlibdir
5628 INCDIR=\$(DESTDIR)$incdir
5629 BINDIR=\$(DESTDIR)$bindir
5630 DATADIR=\$(DESTDIR)$datadir
5631 DOCDIR=\$(DESTDIR)$docdir
5632 MANDIR=\$(DESTDIR)$mandir
5633 SRC_PATH=$source_path
5634 ifndef MAIN_MAKEFILE
5635 SRC_PATH:=\$(SRC_PATH:.%=..%)
5639 INTRINSICS=$intrinsics
5645 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5647 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5676 LDEXEFLAGS=$LDEXEFLAGS
5677 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5678 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5679 YASMFLAGS=$YASMFLAGS
5680 BUILDSUF=$build_suffix
5681 PROGSSUF=$progs_suffix
5689 EXTRA_VERSION=$extra_version
5692 CCDEP_FLAGS=$CCDEP_FLAGS
5694 ASDEP_FLAGS=$ASDEP_FLAGS
5695 CC_DEPFLAGS=$CC_DEPFLAGS
5696 AS_DEPFLAGS=$AS_DEPFLAGS
5699 HOSTCFLAGS=$host_cflags
5700 HOSTCPPFLAGS=$host_cppflags
5701 HOSTEXESUF=$HOSTEXESUF
5702 HOSTLDFLAGS=$host_ldflags
5705 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5706 HOSTCCDEP=$HOSTCCDEP
5707 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5708 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5712 TARGET_EXEC=$target_exec $target_exec_args
5713 TARGET_PATH=$target_path
5714 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5715 CFLAGS-ffplay=$sdl_cflags
5716 ZLIB=$($ldflags_filter -lz)
5717 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5718 EXTRALIBS=$extralibs
5719 COMPAT_OBJS=$compat_objs
5722 LIBTARGET=${LIBTARGET}
5723 SLIBNAME=${SLIBNAME}
5724 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5725 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5726 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5727 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5728 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5729 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5730 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5731 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5732 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5733 NOREDZONE_FLAGS=$noredzone_flags
5738 name=$(toupper $lcname)
5739 file=$source_path/$lcname/version.h
5740 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5741 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5742 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5743 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5744 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5745 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5748 map 'get_version $v' $LIBRARY_LIST
5750 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
5752 print_program_libs(){
5753 eval "program_libs=\$${1}_libs"
5754 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5757 map 'print_program_libs $v' $PROGRAM_LIST
5760 /* Automatically generated by configure - do not modify! */
5761 #ifndef FFMPEG_CONFIG_H
5762 #define FFMPEG_CONFIG_H
5763 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5764 #define FFMPEG_LICENSE "$(c_escape $license)"
5765 #define CONFIG_THIS_YEAR 2015
5766 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5767 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5768 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5769 #define av_restrict $_restrict
5770 #define EXTERN_PREFIX "${extern_prefix}"
5771 #define EXTERN_ASM ${extern_prefix}
5772 #define BUILDSUF "$build_suffix"
5773 #define SLIBSUF "$SLIBSUF"
5774 #define HAVE_MMX2 HAVE_MMXEXT
5775 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
5778 test -n "$assert_level" &&
5779 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5781 test -n "$malloc_prefix" &&
5782 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5784 if enabled yasm; then
5785 append config_files $TMPASM
5789 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5794 echo "@c auto-generated by configure" > doc/config.texi
5796 print_config ARCH_ "$config_files" $ARCH_LIST
5797 print_config HAVE_ "$config_files" $HAVE_LIST
5798 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5802 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5803 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5805 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5806 cp_if_changed $TMPH config.h
5809 enabled yasm && cp_if_changed $TMPASM config.asm
5812 /* Generated by ffconf */
5813 #ifndef AVUTIL_AVCONFIG_H
5814 #define AVUTIL_AVCONFIG_H
5817 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5819 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5821 cp_if_changed $TMPH libavutil/avconfig.h
5823 if test -n "$WARNINGS"; then
5824 printf "\n$WARNINGS"
5825 enabled fatal_warnings && exit 1
5828 # build pkg-config files
5831 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
5834 pkgconfig_generate(){
5836 shortname=${name#lib}${build_suffix}
5840 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
5841 requires=${requires%, }
5842 enabled ${name#lib} || return 0
5844 cat <<EOF > $name/$name${build_suffix}.pc
5846 exec_prefix=\${prefix}
5851 Description: $comment
5853 Requires: $(enabled shared || echo $requires)
5854 Requires.private: $(enabled shared && echo $requires)
5856 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5857 Libs.private: $(enabled shared && echo $libs)
5858 Cflags: -I\${includedir}
5861 mkdir -p doc/examples/pc-uninstalled
5862 includedir=${source_path}
5863 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5864 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5867 libdir=\${pcfiledir}/../../../$name
5868 includedir=${includedir}
5871 Description: $comment
5875 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5876 Cflags: -I\${includedir}
5880 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
5881 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
5882 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
5883 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
5884 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
5885 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
5886 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
5887 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
5888 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM"