3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --enable-rpath use rpath to allow installing libraries in paths
91 not part of the dynamic linker search path
94 --enable-gpl allow use of GPL code, the resulting libs
95 and binaries will be under GPL [no]
96 --enable-version3 upgrade (L)GPL to version 3 [no]
97 --enable-nonfree allow use of nonfree code, the resulting libs
98 and binaries will be unredistributable [no]
100 Configuration options:
101 --disable-static do not build static libraries [no]
102 --enable-shared build shared libraries [no]
103 --enable-small optimize for size instead of speed
104 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
105 --enable-gray enable full grayscale support (slower color)
106 --disable-swscale-alpha disable alpha channel support in swscale
107 --disable-all disable building components, libraries and programs
108 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
109 --enable-incompatible-fork-abi enable incompatible Libav fork ABI (deprecated) [no]
110 --enable-raise-major increase major version numbers in sonames [no]
113 --disable-programs do not build command line programs
114 --disable-ffmpeg disable ffmpeg build
115 --disable-ffplay disable ffplay build
116 --disable-ffprobe disable ffprobe build
117 --disable-ffserver disable ffserver build
119 Documentation options:
120 --disable-doc do not build documentation
121 --disable-htmlpages do not build HTML documentation pages
122 --disable-manpages do not build man documentation pages
123 --disable-podpages do not build POD documentation pages
124 --disable-txtpages do not build text documentation pages
127 --disable-avdevice disable libavdevice build
128 --disable-avcodec disable libavcodec build
129 --disable-avformat disable libavformat build
130 --disable-avutil disable libavutil build
131 --disable-swresample disable libswresample build
132 --disable-swscale disable libswscale build
133 --disable-postproc disable libpostproc build
134 --disable-avfilter disable libavfilter build
135 --enable-avresample enable libavresample build [no]
136 --disable-pthreads disable pthreads [auto]
137 --disable-w32threads disable Win32 threads [auto]
138 --disable-os2threads disable OS/2 threads [auto]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
149 Hardware accelerators:
150 --disable-dxva2 disable DXVA2 code [autodetect]
151 --disable-vaapi disable VAAPI code [autodetect]
152 --enable-vda enable VDA code
153 --disable-vdpau disable VDPAU code [autodetect]
155 Individual component options:
156 --disable-everything disable all components listed below
157 --disable-encoder=NAME disable encoder NAME
158 --enable-encoder=NAME enable encoder NAME
159 --disable-encoders disable all encoders
160 --disable-decoder=NAME disable decoder NAME
161 --enable-decoder=NAME enable decoder NAME
162 --disable-decoders disable all decoders
163 --disable-hwaccel=NAME disable hwaccel NAME
164 --enable-hwaccel=NAME enable hwaccel NAME
165 --disable-hwaccels disable all hwaccels
166 --disable-muxer=NAME disable muxer NAME
167 --enable-muxer=NAME enable muxer NAME
168 --disable-muxers disable all muxers
169 --disable-demuxer=NAME disable demuxer NAME
170 --enable-demuxer=NAME enable demuxer NAME
171 --disable-demuxers disable all demuxers
172 --enable-parser=NAME enable parser NAME
173 --disable-parser=NAME disable parser NAME
174 --disable-parsers disable all parsers
175 --enable-bsf=NAME enable bitstream filter NAME
176 --disable-bsf=NAME disable bitstream filter NAME
177 --disable-bsfs disable all bitstream filters
178 --enable-protocol=NAME enable protocol NAME
179 --disable-protocol=NAME disable protocol NAME
180 --disable-protocols disable all protocols
181 --enable-indev=NAME enable input device NAME
182 --disable-indev=NAME disable input device NAME
183 --disable-indevs disable input devices
184 --enable-outdev=NAME enable output device NAME
185 --disable-outdev=NAME disable output device NAME
186 --disable-outdevs disable output devices
187 --disable-devices disable all devices
188 --enable-filter=NAME enable filter NAME
189 --disable-filter=NAME disable filter NAME
190 --disable-filters disable all filters
192 External library support:
193 --enable-avisynth enable reading of AviSynth script files [no]
194 --disable-bzlib disable bzlib [autodetect]
195 --enable-fontconfig enable fontconfig
196 --enable-frei0r enable frei0r video filtering
197 --enable-gnutls enable gnutls [no]
198 --disable-iconv disable iconv [autodetect]
199 --enable-ladspa enable LADSPA audio filtering
200 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
201 --enable-libass enable libass subtitles rendering [no]
202 --enable-libbluray enable BluRay reading using libbluray [no]
203 --enable-libcaca enable textual display using libcaca
204 --enable-libcelt enable CELT decoding via libcelt [no]
205 --enable-libcdio enable audio CD grabbing with libcdio
206 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
208 --enable-libfaac enable AAC encoding via libfaac [no]
209 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
210 --enable-libflite enable flite (voice synthesis) support via libflite [no]
211 --enable-libfreetype enable libfreetype [no]
212 --enable-libgme enable Game Music Emu via libgme [no]
213 --enable-libgsm enable GSM de/encoding via libgsm [no]
214 --enable-libiec61883 enable iec61883 via libiec61883 [no]
215 --enable-libilbc enable iLBC de/encoding via libilbc [no]
216 --enable-libmodplug enable ModPlug via libmodplug [no]
217 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
218 --enable-libnut enable NUT (de)muxing via libnut,
219 native (de)muxer exists [no]
220 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
221 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
222 --enable-libopencv enable video filtering via libopencv [no]
223 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
224 --enable-libopus enable Opus decoding via libopus [no]
225 --enable-libpulse enable Pulseaudio input via libpulse [no]
226 --enable-libquvi enable quvi input via libquvi [no]
227 --enable-librtmp enable RTMP[E] support via librtmp [no]
228 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
229 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
230 --enable-libsoxr enable Include libsoxr resampling [no]
231 --enable-libspeex enable Speex de/encoding via libspeex [no]
232 --enable-libssh enable SFTP protocol via libssh [no]
233 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
234 --enable-libtheora enable Theora encoding via libtheora [no]
235 --enable-libtwolame enable MP2 encoding via libtwolame [no]
236 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
237 --enable-libv4l2 enable libv4l2/v4l-utils [no]
238 --enable-libvidstab enable video stabilization using vid.stab [no]
239 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
240 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
241 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
242 native implementation exists [no]
243 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
244 --enable-libwavpack enable wavpack encoding via libwavpack [no]
245 --enable-libwebp enable WebP encoding via libwebp [no]
246 --enable-libx264 enable H.264 encoding via x264 [no]
247 --enable-libx265 enable HEVC encoding via x265 [no]
248 --enable-libxavs enable AVS encoding via xavs [no]
249 --enable-libxvid enable Xvid encoding via xvidcore,
250 native MPEG-4/Xvid encoder exists [no]
251 --enable-libzmq enable message passing via libzmq [no]
252 --enable-libzvbi enable teletext support via libzvbi [no]
253 --enable-decklink enable Blackmagick DeckLink output [no]
254 --enable-openal enable OpenAL 1.1 capture support [no]
255 --enable-opencl enable OpenCL code
256 --enable-opengl enable OpenGL rendering [no]
257 --enable-openssl enable openssl [no]
258 --enable-x11grab enable X11 grabbing [no]
259 --disable-zlib disable zlib [autodetect]
261 Advanced options (experts only):
262 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
263 --enable-cross-compile assume a cross-compiler is used
264 --sysroot=PATH root of cross-build tree
265 --sysinclude=PATH location of cross-build system headers
266 --target-os=OS compiler targets OS [$target_os]
267 --target-exec=CMD command to run executables on target
268 --target-path=DIR path to view of build directory on target
269 --target-samples=DIR path to samples directory on target
270 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
271 --toolchain=NAME set tool defaults according to NAME
272 --nm=NM use nm tool NM [$nm_default]
273 --ar=AR use archive tool AR [$ar_default]
274 --as=AS use assembler AS [$as_default]
275 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
276 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
277 --cc=CC use C compiler CC [$cc_default]
278 --cxx=CXX use C compiler CXX [$cxx_default]
279 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
280 --ld=LD use linker LD [$ld_default]
281 --host-cc=HOSTCC use host C compiler HOSTCC
282 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
283 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
284 --host-ld=HOSTLD use host linker HOSTLD
285 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
286 --host-libs=HLIBS use libs HLIBS when linking for host
287 --host-os=OS compiler host OS [$target_os]
288 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
289 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
290 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
291 --extra-libs=ELIBS add ELIBS [$ELIBS]
292 --extra-version=STRING version string suffix []
293 --optflags=OPTFLAGS override optimization-related compiler flags
294 --build-suffix=SUFFIX library name suffix []
295 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
296 --progs-suffix=SUFFIX program name suffix []
297 --arch=ARCH select architecture [$arch]
298 --cpu=CPU select the minimum required CPU (affects
299 instruction selection, may crash on older CPUs)
300 --enable-pic build position-independent code
301 --enable-sram allow use of on-chip SRAM
302 --enable-thumb compile for Thumb instruction set
303 --disable-symver disable symbol versioning
304 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
305 --disable-safe-bitstream-reader
306 disable buffer boundary checking in bitreaders
307 (faster, but may crash)
308 --enable-memalign-hack emulate memalign, interferes with memory debuggers
309 --enable-lto use link-time optimization
311 Optimization options (experts only):
312 --disable-asm disable all assembler optimizations
313 --disable-altivec disable AltiVec optimizations
314 --disable-amd3dnow disable 3DNow! optimizations
315 --disable-amd3dnowext disable 3DNow! extended optimizations
316 --disable-mmx disable MMX optimizations
317 --disable-mmxext disable MMXEXT optimizations
318 --disable-sse disable SSE optimizations
319 --disable-sse2 disable SSE2 optimizations
320 --disable-sse3 disable SSE3 optimizations
321 --disable-ssse3 disable SSSE3 optimizations
322 --disable-sse4 disable SSE4 optimizations
323 --disable-sse42 disable SSE4.2 optimizations
324 --disable-avx disable AVX optimizations
325 --disable-xop disable XOP optimizations
326 --disable-fma4 disable FMA4 optimizations
327 --disable-avx2 disable AVX2 optimizations
328 --disable-armv5te disable armv5te optimizations
329 --disable-armv6 disable armv6 optimizations
330 --disable-armv6t2 disable armv6t2 optimizations
331 --disable-vfp disable VFP optimizations
332 --disable-neon disable NEON optimizations
333 --disable-vis disable VIS optimizations
334 --disable-inline-asm disable use of inline assembler
335 --disable-yasm disable use of yasm assembler
336 --disable-mips32r2 disable MIPS32R2 optimizations
337 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
338 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
339 --disable-mipsfpu disable floating point MIPS optimizations
340 --disable-fast-unaligned consider unaligned accesses slow
342 Developer options (useful when working on FFmpeg itself):
343 --disable-debug disable debugging symbols
344 --enable-debug=LEVEL set the debug level [$debuglevel]
345 --disable-optimizations disable compiler optimizations
346 --enable-extra-warnings enable more compiler warnings
347 --disable-stripping disable stripping of executables and shared libraries
348 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
349 2 causes a slowdown at runtime.
350 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
351 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
352 leaks and errors, using the specified valgrind binary.
353 Cannot be combined with --target-exec
354 --enable-ftrapv Trap arithmetic overflows
355 --samples=PATH location of test samples for FATE, if not set use
356 \$FATE_SAMPLES at make invocation time.
357 --enable-neon-clobber-test check NEON registers for clobbering (should be
358 used only for debugging purposes)
359 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
360 should be used only for debugging purposes)
361 --enable-random randomly enable/disable components
363 --enable-random=LIST randomly enable/disable specific components or
364 --disable-random=LIST component groups. LIST is a comma-separated list
365 of NAME[:PROB] entries where NAME is a component
366 (group) and PROB the probability associated with
368 --random-seed=VALUE seed value for --enable/disable-random
370 NOTE: Object files are built at the place where configure is launched.
378 echo "$@" >> $logfile
383 pr -n -t $1 >> $logfile
394 WARNINGS="${WARNINGS}WARNING: $*\n"
401 If you think configure made a mistake, make sure you are using the latest
402 version from Git. If the latest version fails, report the problem to the
403 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
405 if disabled logging; then
407 Rerun configure with logging enabled (do not use --disable-logging), and
408 include the log this produces with your report.
412 Include the log file "$logfile" produced by configure as this will help
419 # Avoid locale weirdness, besides we really just want to translate ASCII.
421 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
425 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
429 echo "$*" | sed 's/["\\]/\\\0/g'
433 v=$(echo "$1" | sed "s/'/'\\\\''/g")
434 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
439 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\r//g'
446 eval "case $v in $pat) echo $v ;; esac"
454 eval "case $v in $pat) ;; *) echo $v ;; esac"
461 for v; do eval $m; done
467 for v; do echo ${v}${suffix}; done
482 eval : \${$var:=$value}
487 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
493 eval $(sanitize_var_name "$var")='$*'
497 eval echo \$$(sanitize_var_name "$1")
502 eval level=\${${pvar}_level:=0}
503 eval ${pvar}_${level}="\$$pvar"
504 eval ${pvar}_level=$(($level+1))
510 eval level=\${${pvar}_level:-0}
511 test $level = 0 && continue
512 eval level=$(($level-1))
513 eval $pvar="\${${pvar}_${level}}"
514 eval ${pvar}_level=$level
515 eval unset ${pvar}_${level}
537 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
543 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
549 enabled $var && continue
550 eval sel="\$${var}_select"
551 eval sgs="\$${var}_suggest"
555 enable_deep_weak $sgs
567 disabled $var && continue
576 test "${1#!}" = "$1" && op== || op=!=
577 eval test "x\$${1#!}" $op "xyes"
581 test "${1#!}" = "$1" && op== || op=!=
582 eval test "x\$${1#!}" $op "xno"
587 enabled $opt || return 1
593 disabled $opt || return 1
599 enabled $opt && return 0
605 disabled $opt && return 0
612 eval : \${$opt:=\$${opt}_default}
620 [ $var = $value ] && return 0
628 enabled ${cfg}_checking && die "Circular dependency for $cfg."
629 disabled ${cfg}_checking && continue
630 enable ${cfg}_checking
633 eval dep_all="\$${cfg}_deps"
634 eval dep_any="\$${cfg}_deps_any"
635 eval dep_sel="\$${cfg}_select"
636 eval dep_sgs="\$${cfg}_suggest"
637 eval dep_ifa="\$${cfg}_if"
638 eval dep_ifn="\$${cfg}_if_any"
640 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
641 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
642 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
644 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
645 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
646 enabled_all $dep_all || disable $cfg
647 enabled_any $dep_any || disable $cfg
648 disabled_any $dep_sel && disable $cfg
650 if enabled $cfg; then
652 enable_deep_weak $dep_sgs
655 disable ${cfg}_checking
664 for cfg in $allopts; do
665 enabled $cfg || continue
666 eval dep_extralibs="\$${cfg}_extralibs"
667 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
675 map 'eval echo "$v \${$v:-no}"' "$@" |
676 awk "BEGIN { split(\"$files\", files) }
678 c = \"$pfx\" toupper(\$1);
684 if (file ~ /\\.h\$/) {
685 printf(\"#define %s %d\\n\", c, v) >>file;
686 } else if (file ~ /\\.asm\$/) {
687 printf(\"%%define %s %d\\n\", c, v) >>file;
688 } else if (file ~ /\\.mak\$/) {
689 n = -v ? \"\" : \"!\";
690 printf(\"%s%s=yes\\n\", n, c) >>file;
691 } else if (file ~ /\\.texi\$/) {
692 pre = -v ? \"\" : \"@c \";
695 gsub(/_/, \"-\", c2);
696 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
706 enabled $v && printf "%s\n" ${v%$suf};
713 eval "$var=\"\$$var $*\""
719 eval "$var=\"$* \$$var\""
727 append CFLAGS $($cflags_filter "$@")
731 append CXXFLAGS $($cflags_filter "$@")
735 append ASFLAGS $($asflags_filter "$@")
739 append LDFLAGS $($ldflags_filter "$@")
743 append ASMSTRIPFLAGS "$@"
747 prepend extralibs $($ldflags_filter "$@")
751 append host_cppflags "$@"
755 append host_cflags $($host_cflags_filter "$@")
759 append host_ldflags $($host_ldflags_filter "$@")
763 append compat_objs $1
765 map 'add_cppflags -D$v' "$@"
770 "$@" >> $logfile 2>&1
774 eval printf '%s\\n' $CC_O
778 eval printf '%s\\n' $CC_E
785 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
792 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
799 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
803 eval printf '%s\\n' $AS_O
810 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
814 log check_inline_asm "$@"
819 check_cc "$@" <<EOF && enable $name
820 void foo(void){ __asm__ volatile($code); }
826 check_inline_asm ${1}_inline "\"$2\""
827 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
835 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
839 eval printf '%s\\n' $LD_O
846 flags=$(filter_out '-l*|*.so' $@)
847 libs=$(filter '-l*|*.so' $@)
848 check_$type $($cflags_filter $flags) || return
849 flags=$($ldflags_filter $flags)
850 libs=$($ldflags_filter $libs)
851 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
856 test "${hdr%.h}" = "${hdr}" &&
857 echo "#include $hdr" ||
858 echo "#include <$hdr>"
868 for hdr in $headers; do
871 echo "int main(void) { $code; return 0; }"
872 } | check_$check "$@"
876 log check_cppflags "$@"
877 check_cc "$@" <<EOF && append CPPFLAGS "$@"
884 set -- $($cflags_filter "$@")
891 log check_cflags "$@"
892 test_cflags "$@" && add_cflags "$@"
896 log check_cxxflags "$@"
897 set -- $($cflags_filter "$@")
898 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
904 log test_ldflags "$@"
905 check_ld "cc" "$@" <<EOF
906 int main(void){ return 0; }
911 log check_ldflags "$@"
912 test_ldflags "$@" && add_ldflags "$@"
916 log test_stripflags "$@"
917 # call check_cc to get a fresh TMPO
919 int main(void) { return 0; }
921 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
925 log check_stripflags "$@"
926 test_stripflags "$@" && add_stripflags "$@"
930 log check_header "$@"
934 check_cpp "$@" <<EOF && enable_safe $header
945 check_ld "cc" "$@" <<EOF && enable $func
947 int main(void){ $func(); }
952 log check_mathfunc "$@"
956 test $narg = 2 && args="f, g" || args="f"
958 check_ld "cc" "$@" <<EOF && enable $func
960 float foo(float f, float g) { return $func($args); }
961 int main(void){ return (int) foo; }
965 check_func_headers(){
966 log check_func_headers "$@"
971 for hdr in $headers; do
974 for func in $funcs; do
975 echo "long check_$func(void) { return (long) $func; }"
977 echo "int main(void) { return 0; }"
978 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
981 check_class_headers_cpp(){
982 log check_class_headers_cpp "$@"
987 for hdr in $headers; do
988 echo "#include <$hdr>"
990 echo "int main(void) { "
992 for class in $classes; do
997 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1000 check_cpp_condition(){
1001 log check_cpp_condition "$@"
1005 check_cpp "$@" <<EOF
1008 #error "unsatisfied condition: $condition"
1018 check_header $header && check_func $func "$@" && add_extralibs "$@"
1026 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1030 log check_lib_cpp "$@"
1034 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1038 log check_pkg_config "$@"
1044 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1045 pkg_cflags=$($pkg_config --cflags $pkg)
1046 pkg_libs=$($pkg_config --libs $pkg)
1047 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1048 set_safe ${pkg}_cflags $pkg_cflags &&
1049 set_safe ${pkg}_libs $pkg_libs
1053 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1059 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1060 # are safe but may not be available everywhere. Thus we use
1061 # raise(SIGTERM) instead. The check is run in a subshell so we
1062 # can redirect the "Terminated" message from the shell. SIGBUS
1063 # is not defined by standard C so it is used conditionally.
1065 (check_exec "$@") >> $logfile 2>&1 <<EOF
1067 static void sighandler(int sig){
1073 int (*func_ptr)(void) = foo;
1075 signal(SIGILL, sighandler);
1076 signal(SIGFPE, sighandler);
1077 signal(SIGSEGV, sighandler);
1079 signal(SIGBUS, sighandler);
1091 disable_safe "$type"
1092 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1096 log check_struct "$@"
1101 disable_safe "${struct}_${member}"
1102 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1103 enable_safe "${struct}_${member}"
1107 log check_builtin "$@"
1113 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1121 check_lib $header $func "$@" || die "ERROR: $name not found"
1129 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1137 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1140 require_pkg_config(){
1142 check_pkg_config "$@" || die "ERROR: $pkg not found"
1143 add_cflags $(get_safe ${pkg}_cflags)
1144 add_extralibs $(get_safe ${pkg}_libs)
1147 require_libfreetype(){
1148 log require_libfreetype "$@"
1150 check_cmd $pkg_config --exists --print-errors $pkg \
1151 || die "ERROR: $pkg not found"
1152 pkg_cflags=$($pkg_config --cflags $pkg)
1153 pkg_libs=$($pkg_config --libs $pkg)
1155 echo "#include <ft2build.h>"
1156 echo "#include FT_FREETYPE_H"
1157 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1158 echo "int main(void) { return 0; }"
1159 } | check_ld "cc" $pkg_cflags $pkg_libs \
1160 && set_safe ${pkg}_cflags $pkg_cflags \
1161 && set_safe ${pkg}_libs $pkg_libs \
1162 || die "ERROR: $pkg not found"
1163 add_cflags $(get_safe ${pkg}_cflags)
1164 add_extralibs $(get_safe ${pkg}_libs)
1168 eval printf '%s\\n' $HOSTCC_E
1172 eval printf '%s\\n' $HOSTCC_O
1176 log check_host_cc "$@"
1179 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1183 log check_host_cpp "$@"
1186 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1189 check_host_cppflags(){
1190 log check_host_cppflags "$@"
1191 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1196 check_host_cflags(){
1197 log check_host_cflags "$@"
1198 set -- $($host_cflags_filter "$@")
1199 check_host_cc "$@" <<EOF && append host_cflags "$@"
1204 check_host_cpp_condition(){
1205 log check_host_cpp_condition "$@"
1209 check_host_cpp "$@" <<EOF
1212 #error "unsatisfied condition: $condition"
1220 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1224 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1225 mkdir -p "$(dirname $2)"
1229 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1230 # system-dependent things.
1247 avio_reading_example
1249 demuxing_decoding_example
1250 filtering_audio_example
1251 filtering_video_example
1255 resampling_audio_example
1256 scaling_video_example
1257 transcode_aac_example
1260 EXTERNAL_LIBRARY_LIST="
1366 $EXTERNAL_LIBRARY_LIST
1379 incompatible_libav_abi
1380 incompatible_fork_abi
1393 safe_bitstream_reader
1491 incompatible_libav_abi
1492 incompatible_fork_abi
1525 $(add_suffix _external $ARCH_EXT_LIST)
1526 $(add_suffix _inline $ARCH_EXT_LIST)
1546 cdio_paranoia_paranoia_h
1554 dev_bktr_ioctl_bt848_h
1555 dev_bktr_ioctl_meteor_h
1557 dev_video_bktr_ioctl_bt848_h
1558 dev_video_meteor_ioctl_meteor_h
1575 GetProcessAffinityMask
1576 GetProcessMemoryInfo
1578 GetSystemTimeAsFileTime
1592 jack_port_get_latency_range
1603 machine_ioctl_bt848_h
1604 machine_ioctl_meteor_h
1616 openjpeg_1_5_openjpeg_h
1630 SetConsoleTextAttribute
1639 struct_group_source_req
1640 struct_ip_mreq_source
1643 struct_rusage_ru_maxrss
1644 struct_sctp_event_subscribe
1646 struct_sockaddr_sa_len
1647 struct_sockaddr_storage
1648 struct_stat_st_mtim_tv_nsec
1649 struct_v4l2_frmivalenum_discrete
1652 sync_val_compare_and_swap
1679 # options emitted with CONFIG_ prefix but not available on the command line
1686 frame_thread_encoder
1791 # code dependency declarations
1793 # architecture extensions
1798 neon_deps_any="aarch64 arm"
1799 vfp_deps_any="aarch64 arm"
1802 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1805 mips32r2_deps="mips"
1806 mipsdspr1_deps="mips"
1807 mipsdspr2_deps="mips"
1815 x86_64_select="i686"
1816 x86_64_suggest="fast_cmov"
1819 amd3dnowext_deps="amd3dnow"
1834 mmx_external_deps="yasm"
1835 mmx_inline_deps="inline_asm"
1836 mmx_suggest="mmx_external mmx_inline"
1838 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1839 eval dep=\$${ext}_deps
1840 eval ${ext}_external_deps='"${dep}_external"'
1841 eval ${ext}_inline_deps='"${dep}_inline"'
1842 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1845 aligned_stack_if_any="aarch64 ppc x86"
1846 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1847 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1848 fast_unaligned_if_any="aarch64 ppc x86"
1850 need_memalign="altivec neon sse"
1852 # system capabilities
1853 log2_deps="!libc_msvcrt"
1855 symver_if_any="symver_asm_label symver_gnu_asm"
1858 atomics_gcc_if="sync_val_compare_and_swap"
1859 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1860 atomics_win32_if="MemoryBarrier"
1861 atomics_native_if_any="$ATOMICS_LIST"
1862 w32threads_deps="atomics_native"
1863 threads_if_any="$THREADS_LIST"
1867 error_resilience_select="dsputil"
1868 frame_thread_encoder_deps="encoders threads"
1869 lpc_select="dsputil"
1872 mpegaudio_select="mpegaudiodsp"
1873 mpegaudiodsp_select="dct"
1874 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1875 mpegvideoenc_select="mpegvideo"
1877 # decoders / encoders
1878 aac_decoder_select="mdct sinewin"
1879 aac_encoder_select="audio_frame_queue mdct sinewin"
1880 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1881 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1882 ac3_encoder_select="mdct ac3dsp dsputil"
1883 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1884 aic_decoder_select="dsputil golomb"
1885 alac_encoder_select="lpc"
1886 als_decoder_select="dsputil"
1887 amrnb_decoder_select="lsp"
1888 amrwb_decoder_select="lsp"
1889 amv_decoder_select="dsputil hpeldsp exif"
1890 amv_encoder_select="aandcttables"
1891 ape_decoder_select="dsputil"
1892 asv1_decoder_select="dsputil"
1893 asv1_encoder_select="dsputil"
1894 asv2_decoder_select="dsputil"
1895 asv2_encoder_select="dsputil"
1896 atrac1_decoder_select="mdct sinewin"
1897 atrac3_decoder_select="mdct"
1898 atrac3p_decoder_select="mdct sinewin"
1899 avrn_decoder_select="exif"
1900 bink_decoder_select="dsputil hpeldsp"
1901 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1902 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1903 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1904 cllc_decoder_select="dsputil"
1905 comfortnoise_encoder_select="lpc"
1906 cook_decoder_select="dsputil mdct sinewin"
1907 cscd_decoder_select="lzo"
1908 cscd_decoder_suggest="zlib"
1909 dca_decoder_select="mdct"
1910 dirac_decoder_select="dsputil dwt golomb videodsp"
1911 dnxhd_decoder_select="dsputil"
1912 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1913 dvvideo_decoder_select="dsputil"
1914 dvvideo_encoder_select="dsputil"
1915 dxa_decoder_select="zlib"
1916 eac3_decoder_select="ac3_decoder"
1917 eac3_encoder_select="ac3_encoder"
1918 eamad_decoder_select="aandcttables dsputil mpegvideo"
1919 eatgq_decoder_select="aandcttables"
1920 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1921 exr_decoder_select="zlib"
1922 ffv1_decoder_select="dsputil golomb rangecoder"
1923 ffv1_encoder_select="dsputil rangecoder"
1924 ffvhuff_decoder_select="dsputil llviddsp"
1925 ffvhuff_encoder_select="dsputil huffman llviddsp"
1926 fic_decoder_select="dsputil golomb"
1927 flac_decoder_select="golomb"
1928 flac_encoder_select="dsputil golomb lpc"
1929 flashsv_decoder_select="zlib"
1930 flashsv_encoder_select="zlib"
1931 flashsv2_encoder_select="zlib"
1932 flashsv2_decoder_select="zlib"
1933 flv_decoder_select="h263_decoder"
1934 flv_encoder_select="h263_encoder"
1935 fourxm_decoder_select="dsputil"
1936 fraps_decoder_select="dsputil huffman"
1937 g2m_decoder_select="dsputil zlib"
1938 g729_decoder_select="dsputil"
1939 h261_decoder_select="error_resilience mpegvideo"
1940 h261_encoder_select="aandcttables mpegvideoenc"
1941 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
1942 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1943 h263i_decoder_select="h263_decoder"
1944 h263p_encoder_select="h263_encoder"
1945 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1946 h264_decoder_suggest="error_resilience"
1947 hevc_decoder_select="dsputil golomb videodsp"
1948 huffyuv_decoder_select="dsputil llviddsp"
1949 huffyuv_encoder_select="dsputil huffman llviddsp"
1950 iac_decoder_select="dsputil fft mdct sinewin"
1951 imc_decoder_select="dsputil fft mdct sinewin"
1952 indeo3_decoder_select="hpeldsp"
1953 interplay_video_decoder_select="hpeldsp"
1954 jpegls_decoder_select="dsputil golomb hpeldsp exif"
1955 jpegls_encoder_select="golomb"
1956 jv_decoder_select="dsputil"
1957 lagarith_decoder_select="dsputil"
1958 ljpeg_encoder_select="aandcttables mpegvideoenc"
1959 loco_decoder_select="golomb"
1960 mdec_decoder_select="dsputil error_resilience mpegvideo"
1961 metasound_decoder_select="lsp mdct sinewin"
1962 mimic_decoder_select="dsputil hpeldsp"
1963 mjpeg_decoder_select="dsputil hpeldsp exif"
1964 mjpegb_decoder_select="dsputil hpeldsp exif"
1965 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1966 mlp_decoder_select="dsputil mlp_parser"
1967 motionpixels_decoder_select="dsputil"
1968 mp1_decoder_select="mpegaudio"
1969 mp1float_decoder_select="mpegaudio"
1970 mp2_decoder_select="mpegaudio"
1971 mp2float_decoder_select="mpegaudio"
1972 mp3_decoder_select="mpegaudio"
1973 mp3adu_decoder_select="mpegaudio"
1974 mp3adufloat_decoder_select="mpegaudio"
1975 mp3float_decoder_select="mpegaudio"
1976 mp3on4_decoder_select="mpegaudio"
1977 mp3on4float_decoder_select="mpegaudio"
1978 mpc7_decoder_select="dsputil mpegaudiodsp"
1979 mpc8_decoder_select="dsputil mpegaudiodsp"
1980 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1981 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1982 mpeg1video_decoder_select="error_resilience mpegvideo"
1983 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
1984 mpeg2video_decoder_select="error_resilience mpegvideo"
1985 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
1986 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1987 mpeg4_encoder_select="h263_encoder"
1988 msmpeg4v1_decoder_select="h263_decoder"
1989 msmpeg4v2_decoder_select="h263_decoder"
1990 msmpeg4v2_encoder_select="h263_encoder"
1991 msmpeg4v3_decoder_select="h263_decoder"
1992 msmpeg4v3_encoder_select="h263_encoder"
1993 mss2_decoder_select="error_resilience vc1_decoder"
1994 mxpeg_decoder_select="dsputil hpeldsp exif"
1995 nellymoser_decoder_select="mdct sinewin"
1996 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1997 nuv_decoder_select="dsputil lzo"
1998 png_decoder_select="zlib"
1999 png_encoder_select="dsputil zlib"
2000 prores_decoder_select="dsputil"
2001 prores_encoder_select="dsputil"
2002 qcelp_decoder_select="lsp"
2003 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2004 ra_144_encoder_select="audio_frame_queue lpc"
2005 ralf_decoder_select="golomb"
2006 rtjpeg_decoder_select="dsputil"
2007 rv10_decoder_select="error_resilience h263_decoder h263dsp"
2008 rv10_encoder_select="h263_encoder"
2009 rv20_decoder_select="error_resilience h263_decoder h263dsp"
2010 rv20_encoder_select="h263_encoder"
2011 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
2012 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
2013 shorten_decoder_select="golomb"
2014 sipr_decoder_select="lsp"
2015 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
2016 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
2017 sonic_decoder_select="golomb rangecoder"
2018 sonic_encoder_select="golomb rangecoder"
2019 sonic_ls_encoder_select="golomb"
2020 sp5x_decoder_select="dsputil hpeldsp exif"
2021 svq1_decoder_select="hpeldsp"
2022 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
2023 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
2024 svq3_decoder_suggest="error_resilience zlib"
2025 tak_decoder_select="dsputil"
2026 theora_decoder_select="vp3_decoder"
2027 tiff_decoder_suggest="zlib"
2028 tiff_encoder_suggest="zlib"
2029 thp_decoder_select="dsputil hpeldsp exif"
2030 truehd_decoder_select="mlp_parser"
2031 truemotion2_decoder_select="dsputil"
2032 truespeech_decoder_select="dsputil"
2033 tscc_decoder_select="zlib"
2034 twinvq_decoder_select="mdct lsp sinewin"
2035 utvideo_decoder_select="dsputil"
2036 utvideo_encoder_select="dsputil huffman"
2037 vble_decoder_select="dsputil"
2038 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel intrax8"
2039 vc1image_decoder_select="vc1_decoder"
2040 vorbis_decoder_select="mdct"
2041 vorbis_encoder_select="mdct"
2042 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2043 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2044 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2045 vp6a_decoder_select="vp6_decoder"
2046 vp6f_decoder_select="vp6_decoder"
2047 vp8_decoder_select="h264pred videodsp"
2048 vp9_decoder_select="videodsp"
2049 webp_decoder_select="vp8_decoder"
2050 wmapro_decoder_select="mdct sinewin"
2051 wmav1_decoder_select="mdct sinewin"
2052 wmav1_encoder_select="mdct sinewin"
2053 wmav2_decoder_select="mdct sinewin"
2054 wmav2_encoder_select="mdct sinewin"
2055 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2056 wmv1_decoder_select="h263_decoder"
2057 wmv1_encoder_select="h263_encoder"
2058 wmv2_decoder_select="h263_decoder intrax8 videodsp"
2059 wmv2_encoder_select="h263_encoder"
2060 wmv3_decoder_select="vc1_decoder"
2061 wmv3image_decoder_select="wmv3_decoder"
2062 zerocodec_decoder_select="zlib"
2063 zlib_decoder_select="zlib"
2064 zlib_encoder_select="zlib"
2065 zmbv_decoder_select="zlib"
2066 zmbv_encoder_select="zlib"
2068 # hardware accelerators
2069 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2070 dxva2_deps="dxva2api_h"
2071 vaapi_deps="va_va_h"
2072 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2073 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2074 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2075 xvmc_deps="X11_extensions_XvMClib_h"
2077 h263_vaapi_hwaccel_deps="vaapi"
2078 h263_vaapi_hwaccel_select="h263_decoder"
2079 h263_vdpau_hwaccel_deps="vdpau"
2080 h263_vdpau_hwaccel_select="h263_decoder"
2081 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2082 h264_dxva2_hwaccel_deps="dxva2"
2083 h264_dxva2_hwaccel_select="h264_decoder"
2084 h264_vaapi_hwaccel_deps="vaapi"
2085 h264_vaapi_hwaccel_select="h264_decoder"
2086 h264_vda_decoder_deps="vda"
2087 h264_vda_decoder_select="h264_decoder"
2088 h264_vda_hwaccel_deps="vda"
2089 h264_vda_hwaccel_select="h264_decoder"
2090 h264_vdpau_decoder_deps="vdpau"
2091 h264_vdpau_decoder_select="h264_decoder"
2092 h264_vdpau_hwaccel_deps="vdpau"
2093 h264_vdpau_hwaccel_select="h264_decoder"
2094 mpeg_vdpau_decoder_deps="vdpau"
2095 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2096 mpeg_xvmc_hwaccel_deps="xvmc"
2097 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2098 mpeg1_vdpau_decoder_deps="vdpau"
2099 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2100 mpeg1_vdpau_hwaccel_deps="vdpau"
2101 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2102 mpeg1_xvmc_hwaccel_deps="xvmc"
2103 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2104 mpeg2_crystalhd_decoder_select="crystalhd"
2105 mpeg2_dxva2_hwaccel_deps="dxva2"
2106 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2107 mpeg2_vaapi_hwaccel_deps="vaapi"
2108 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2109 mpeg2_vdpau_hwaccel_deps="vdpau"
2110 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2111 mpeg2_xvmc_hwaccel_deps="xvmc"
2112 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2113 mpeg4_crystalhd_decoder_select="crystalhd"
2114 mpeg4_vaapi_hwaccel_deps="vaapi"
2115 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2116 mpeg4_vdpau_decoder_deps="vdpau"
2117 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2118 mpeg4_vdpau_hwaccel_deps="vdpau"
2119 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2120 msmpeg4_crystalhd_decoder_select="crystalhd"
2121 vc1_crystalhd_decoder_select="crystalhd"
2122 vc1_dxva2_hwaccel_deps="dxva2"
2123 vc1_dxva2_hwaccel_select="vc1_decoder"
2124 vc1_vaapi_hwaccel_deps="vaapi"
2125 vc1_vaapi_hwaccel_select="vc1_decoder"
2126 vc1_vdpau_decoder_deps="vdpau"
2127 vc1_vdpau_decoder_select="vc1_decoder"
2128 vc1_vdpau_hwaccel_deps="vdpau"
2129 vc1_vdpau_hwaccel_select="vc1_decoder"
2130 wmv3_crystalhd_decoder_select="crystalhd"
2131 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2132 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2133 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2134 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2137 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
2138 hevc_parser_select="hevc_decoder"
2139 mpeg4video_parser_select="error_resilience h263dsp mpegvideo"
2140 mpegvideo_parser_select="error_resilience mpegvideo"
2141 vc1_parser_select="mpegvideo"
2143 # external libraries
2144 libaacplus_encoder_deps="libaacplus"
2145 libcelt_decoder_deps="libcelt"
2146 libfaac_encoder_deps="libfaac"
2147 libfaac_encoder_select="audio_frame_queue"
2148 libfdk_aac_decoder_deps="libfdk_aac"
2149 libfdk_aac_encoder_deps="libfdk_aac"
2150 libfdk_aac_encoder_select="audio_frame_queue"
2151 libgme_demuxer_deps="libgme"
2152 libgsm_decoder_deps="libgsm"
2153 libgsm_encoder_deps="libgsm"
2154 libgsm_ms_decoder_deps="libgsm"
2155 libgsm_ms_encoder_deps="libgsm"
2156 libilbc_decoder_deps="libilbc"
2157 libilbc_encoder_deps="libilbc"
2158 libmodplug_demuxer_deps="libmodplug"
2159 libmp3lame_encoder_deps="libmp3lame"
2160 libmp3lame_encoder_select="audio_frame_queue"
2161 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2162 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2163 libopencore_amrnb_encoder_select="audio_frame_queue"
2164 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2165 libopenjpeg_decoder_deps="libopenjpeg"
2166 libopenjpeg_encoder_deps="libopenjpeg"
2167 libopus_decoder_deps="libopus"
2168 libopus_encoder_deps="libopus"
2169 libopus_encoder_select="audio_frame_queue"
2170 libquvi_demuxer_deps="libquvi"
2171 libschroedinger_decoder_deps="libschroedinger"
2172 libschroedinger_encoder_deps="libschroedinger"
2173 libshine_encoder_deps="libshine"
2174 libshine_encoder_select="audio_frame_queue"
2175 libspeex_decoder_deps="libspeex"
2176 libspeex_encoder_deps="libspeex"
2177 libspeex_encoder_select="audio_frame_queue"
2178 libstagefright_h264_decoder_deps="libstagefright_h264"
2179 libtheora_encoder_deps="libtheora"
2180 libtwolame_encoder_deps="libtwolame"
2181 libvo_aacenc_encoder_deps="libvo_aacenc"
2182 libvo_aacenc_encoder_select="audio_frame_queue"
2183 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2184 libvorbis_decoder_deps="libvorbis"
2185 libvorbis_encoder_deps="libvorbis"
2186 libvorbis_encoder_select="audio_frame_queue"
2187 libvpx_vp8_decoder_deps="libvpx"
2188 libvpx_vp8_encoder_deps="libvpx"
2189 libvpx_vp9_decoder_deps="libvpx"
2190 libvpx_vp9_encoder_deps="libvpx"
2191 libwavpack_encoder_deps="libwavpack"
2192 libwebp_encoder_deps="libwebp"
2193 libx264_encoder_deps="libx264"
2194 libx264rgb_encoder_deps="libx264"
2195 libx265_encoder_deps="libx265"
2196 libxavs_encoder_deps="libxavs"
2197 libxvid_encoder_deps="libxvid"
2198 libutvideo_decoder_deps="libutvideo"
2199 libutvideo_encoder_deps="libutvideo"
2200 libzvbi_teletext_decoder_deps="libzvbi"
2203 ac3_demuxer_select="ac3_parser"
2204 asf_demuxer_select="riffdec"
2205 asf_muxer_select="riffenc"
2206 asf_stream_muxer_select="asf_muxer"
2207 avi_demuxer_select="riffdec"
2208 avi_muxer_select="riffenc"
2209 avisynth_demuxer_deps="avisynth"
2210 avisynth_demuxer_select="riffdec"
2211 caf_demuxer_select="riffdec"
2212 dirac_demuxer_select="dirac_parser"
2213 dts_demuxer_select="dca_parser"
2214 dtshd_demuxer_select="dca_parser"
2215 dxa_demuxer_select="riffdec"
2216 eac3_demuxer_select="ac3_parser"
2217 f4v_muxer_select="mov_muxer"
2218 flac_demuxer_select="flac_parser"
2219 hds_muxer_select="flv_muxer"
2220 hls_muxer_select="mpegts_muxer"
2221 ipod_muxer_select="mov_muxer"
2222 ismv_muxer_select="mov_muxer"
2223 libnut_demuxer_deps="libnut"
2224 libnut_muxer_deps="libnut"
2225 matroska_audio_muxer_select="matroska_muxer"
2226 matroska_demuxer_select="riffdec"
2227 matroska_demuxer_suggest="bzlib lzo zlib"
2228 matroska_muxer_select="riffenc"
2229 mmf_muxer_select="riffenc"
2230 mov_demuxer_select="riffdec"
2231 mov_demuxer_suggest="zlib"
2232 mov_muxer_select="riffenc rtpenc_chain"
2233 mp3_demuxer_select="mpegaudio_parser"
2234 mp4_muxer_select="mov_muxer"
2235 mpegts_muxer_select="adts_muxer latm_muxer"
2236 mpegtsraw_demuxer_select="mpegts_demuxer"
2237 mxf_d10_muxer_select="mxf_muxer"
2238 nut_muxer_select="riffenc"
2239 nuv_demuxer_select="riffdec"
2240 ogg_demuxer_select="golomb"
2241 psp_muxer_select="mov_muxer"
2242 rtp_demuxer_select="sdp_demuxer"
2243 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2244 rtsp_demuxer_select="http_protocol rtpdec"
2245 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2246 sap_demuxer_select="sdp_demuxer"
2247 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2248 sdp_demuxer_select="rtpdec"
2249 smoothstreaming_muxer_select="ismv_muxer"
2250 spdif_muxer_select="aac_parser"
2251 tak_demuxer_select="tak_parser"
2252 tg2_muxer_select="mov_muxer"
2253 tgp_muxer_select="mov_muxer"
2254 vobsub_demuxer_select="mpegps_demuxer"
2255 w64_demuxer_select="wav_demuxer"
2256 w64_muxer_select="wav_muxer"
2257 wav_demuxer_select="riffdec"
2258 wav_muxer_select="riffenc"
2259 webm_muxer_select="riffenc"
2260 wtv_demuxer_select="riffdec"
2261 wtv_muxer_select="riffenc"
2262 xmv_demuxer_select="riffdec"
2263 xwma_demuxer_select="riffdec"
2266 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2267 alsa_outdev_deps="alsa_asoundlib_h"
2268 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2269 caca_outdev_deps="libcaca"
2270 decklink_outdev_deps="decklink pthreads"
2271 decklink_outdev_extralibs="-lstdc++"
2272 dshow_indev_deps="IBaseFilter"
2273 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2274 dv1394_indev_deps="dv1394"
2275 dv1394_indev_select="dv_demuxer"
2276 fbdev_indev_deps="linux_fb_h"
2277 fbdev_outdev_deps="linux_fb_h"
2278 iec61883_indev_deps="libiec61883"
2279 jack_indev_deps="jack_jack_h sem_timedwait"
2280 lavfi_indev_deps="avfilter"
2281 libcdio_indev_deps="libcdio"
2282 libdc1394_indev_deps="libdc1394"
2283 libv4l2_indev_deps="libv4l2"
2284 openal_indev_deps="openal"
2285 opengl_outdev_deps="opengl"
2286 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2287 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2288 pulse_indev_deps="libpulse"
2289 pulse_outdev_deps="libpulse"
2290 sdl_outdev_deps="sdl"
2291 sndio_indev_deps="sndio_h"
2292 sndio_outdev_deps="sndio_h"
2293 v4l_indev_deps="linux_videodev_h"
2294 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2295 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2296 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2297 vfwcap_indev_extralibs="-lavicap32"
2298 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2299 xv_outdev_extralibs="-lXv -lX11 -lXext"
2300 x11grab_indev_deps="x11grab"
2303 bluray_protocol_deps="libbluray"
2304 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2305 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2306 ffrtmpcrypt_protocol_select="tcp_protocol"
2307 ffrtmphttp_protocol_deps="!librtmp_protocol"
2308 ffrtmphttp_protocol_select="http_protocol"
2309 ftp_protocol_select="tcp_protocol"
2310 gopher_protocol_select="network"
2311 httpproxy_protocol_select="tcp_protocol"
2312 http_protocol_select="tcp_protocol"
2313 https_protocol_select="tls_protocol"
2314 librtmp_protocol_deps="librtmp"
2315 librtmpe_protocol_deps="librtmp"
2316 librtmps_protocol_deps="librtmp"
2317 librtmpt_protocol_deps="librtmp"
2318 librtmpte_protocol_deps="librtmp"
2319 libssh_protocol_deps="libssh"
2320 mmsh_protocol_select="http_protocol"
2321 mmst_protocol_select="network"
2322 rtmp_protocol_deps="!librtmp_protocol"
2323 rtmp_protocol_select="tcp_protocol"
2324 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2325 rtmps_protocol_deps="!librtmp_protocol"
2326 rtmps_protocol_select="tls_protocol"
2327 rtmpt_protocol_select="ffrtmphttp_protocol"
2328 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2329 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2330 rtp_protocol_select="udp_protocol"
2331 sctp_protocol_deps="struct_sctp_event_subscribe"
2332 sctp_protocol_select="network"
2333 srtp_protocol_select="rtp_protocol"
2334 tcp_protocol_select="network"
2335 tls_protocol_deps_any="openssl gnutls"
2336 tls_protocol_select="tcp_protocol"
2337 udp_protocol_select="network"
2338 unix_protocol_deps="sys_un_h"
2339 unix_protocol_select="network"
2342 aconvert_filter_deps="swresample"
2343 amovie_filter_deps="avcodec avformat"
2344 aresample_filter_deps="swresample"
2345 ass_filter_deps="libass"
2346 asyncts_filter_deps="avresample"
2347 atempo_filter_deps="avcodec"
2348 atempo_filter_select="rdft"
2349 azmq_filter_deps="libzmq"
2350 blackframe_filter_deps="gpl"
2351 boxblur_filter_deps="gpl"
2352 colormatrix_filter_deps="gpl"
2353 cropdetect_filter_deps="gpl"
2354 dctdnoiz_filter_deps="avcodec"
2355 dctdnoiz_filter_select="dct"
2356 delogo_filter_deps="gpl"
2357 deshake_filter_deps="avcodec"
2358 deshake_filter_select="dsputil"
2359 drawtext_filter_deps="libfreetype"
2360 ebur128_filter_deps="gpl"
2361 flite_filter_deps="libflite"
2362 frei0r_filter_deps="frei0r dlopen"
2363 frei0r_filter_extralibs='$ldl'
2364 frei0r_src_filter_deps="frei0r dlopen"
2365 frei0r_src_filter_extralibs='$ldl'
2366 geq_filter_deps="gpl"
2367 histeq_filter_deps="gpl"
2368 hqdn3d_filter_deps="gpl"
2369 interlace_filter_deps="gpl"
2370 kerndeint_filter_deps="gpl"
2371 ladspa_filter_deps="ladspa dlopen"
2372 mcdeint_filter_deps="avcodec gpl"
2373 movie_filter_deps="avcodec avformat"
2374 mp_filter_deps="gpl avcodec swscale inline_asm"
2375 mpdecimate_filter_deps="gpl avcodec"
2376 mptestsrc_filter_deps="gpl"
2377 negate_filter_deps="lut_filter"
2378 perspective_filter_deps="gpl"
2379 resample_filter_deps="avresample"
2380 ocv_filter_deps="libopencv"
2381 owdenoise_filter_deps="gpl"
2382 pan_filter_deps="swresample"
2383 phase_filter_deps="gpl"
2384 pp_filter_deps="gpl postproc"
2385 pullup_filter_deps="gpl"
2386 removelogo_filter_deps="avcodec avformat swscale"
2387 sab_filter_deps="gpl swscale"
2388 scale_filter_deps="swscale"
2389 smartblur_filter_deps="gpl swscale"
2390 showspectrum_filter_deps="avcodec"
2391 showspectrum_filter_select="rdft"
2392 spp_filter_deps="gpl avcodec"
2393 spp_filter_select="fft"
2394 stereo3d_filter_deps="gpl"
2395 subtitles_filter_deps="avformat avcodec libass"
2396 super2xsai_filter_deps="gpl"
2397 tinterlace_filter_deps="gpl"
2398 vidstabdetect_filter_deps="libvidstab"
2399 vidstabtransform_filter_deps="libvidstab"
2400 pixfmts_super2xsai_test_deps="super2xsai_filter"
2401 tinterlace_merge_test_deps="tinterlace_filter"
2402 tinterlace_pad_test_deps="tinterlace_filter"
2403 zmq_filter_deps="libzmq"
2406 avio_reading="avformat avcodec avutil"
2407 avcodec_example_deps="avcodec avutil"
2408 demuxing_decoding_example_deps="avcodec avformat avutil"
2409 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2410 filtering_video_example_deps="avfilter avcodec avformat avutil"
2411 metadata_example_deps="avformat avutil"
2412 muxing_example_deps="avcodec avformat avutil swscale"
2413 remuxing_example_deps="avcodec avformat avutil"
2414 resampling_audio_example_deps="avutil swresample"
2415 scaling_video_example_deps="avutil swscale"
2416 transcode_aac_example_deps="avcodec avformat swresample"
2419 avcodec_deps="avutil"
2420 avdevice_deps="avutil avcodec avformat"
2421 avfilter_deps="avutil"
2422 avformat_deps="avutil avcodec"
2423 avresample_deps="avutil"
2424 postproc_deps="avutil gpl"
2425 swscale_deps="avutil"
2428 ffmpeg_deps="avcodec avfilter avformat swresample"
2429 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2431 setpts_filter trim_filter"
2432 ffplay_deps="avcodec avformat swscale swresample sdl"
2433 ffplay_libs='$sdl_libs'
2434 ffplay_select="rdft crop_filter"
2435 ffprobe_deps="avcodec avformat"
2436 ffserver_deps="avformat fork sarestart"
2437 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2440 podpages_deps="perl"
2441 manpages_deps="perl pod2man"
2442 htmlpages_deps="perl texi2html"
2443 txtpages_deps="perl makeinfo"
2444 doc_deps_any="manpages htmlpages podpages txtpages"
2446 # default parameters
2448 logfile="config.log"
2450 # installation paths
2451 prefix_default="/usr/local"
2452 bindir_default='${prefix}/bin'
2453 datadir_default='${prefix}/share/ffmpeg'
2454 docdir_default='${prefix}/share/doc/ffmpeg'
2455 incdir_default='${prefix}/include'
2456 libdir_default='${prefix}/lib'
2457 mandir_default='${prefix}/share/man'
2458 shlibdir_default="$libdir_default"
2464 host_cc_default="gcc"
2470 pkg_config_default=pkg-config
2472 strip_default="strip"
2473 yasmexe_default="yasm"
2474 windres_default="windres"
2479 arch_default=$(uname -m)
2483 target_os_default=$(tolower $(uname -s))
2484 host_os=$target_os_default
2486 # configurable options
2487 enable $PROGRAM_LIST
2488 enable $DOCUMENT_LIST
2489 enable $EXAMPLE_LIST
2490 enable $(filter_out avresample $LIBRARY_LIST)
2496 enable optimizations
2497 enable runtime_cpudetect
2498 enable safe_bitstream_reader
2500 enable swscale_alpha
2502 # Enable hwaccels by default.
2503 enable dxva2 vaapi vdpau xvmc
2506 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2509 FULLNAME='$(NAME)$(BUILDSUF)'
2510 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2513 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2514 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2515 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2516 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2517 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2518 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2540 host_cflags_filter=echo
2541 host_ldflags_filter=echo
2543 target_path='$(CURDIR)'
2545 # since the object filename is not given with the -MM flag, the compiler
2546 # is only able to print the basename, and we must add the path ourselves
2547 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2551 if test -f configure; then
2554 source_path=$(cd $(dirname "$0"); pwd)
2555 echo "$source_path" | grep -q '[[:blank:]]' &&
2556 die "Out of tree builds are impossible with whitespace in source path."
2557 test -e "$source_path/config.h" &&
2558 die "Out of tree builds are impossible with config.h in source dir."
2565 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2571 file=$source_path/$3
2572 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2575 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2576 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2577 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2578 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2579 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2580 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2581 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2582 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2583 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2584 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2585 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2601 for n in $COMPONENT_LIST; do
2602 v=$(toupper ${n%s})_LIST
2604 eval ${n}_if_any="\$$v"
2607 enable $ARCH_EXT_LIST
2610 echo "Unknown option \"$1\"."
2611 echo "See $0 --help for available options."
2616 cat | tr ' ' '\n' | sort | pr -r -3 -t
2622 echo $* | sed s/$suffix//g | print_3_columns
2634 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2635 echo "prob ${prob:-0.5}"
2643 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2644 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2654 add_extralibs $optval
2657 disable $INDEV_LIST $OUTDEV_LIST
2660 debuglevel="$optval"
2663 disable $PROGRAM_LIST
2665 --disable-everything)
2666 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2669 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2670 disable $LIBRARY_LIST $PROGRAM_LIST doc
2672 --enable-random|--disable-random)
2673 action=${opt%%-random}
2674 do_random ${action#--} $COMPONENT_LIST
2676 --enable-random=*|--disable-random=*)
2677 action=${opt%%-random=*}
2678 do_random ${action#--} $optval
2680 --enable-*=*|--disable-*=*)
2681 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2682 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2683 eval list=\$$(toupper $thing)_LIST
2684 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2685 list=$(filter "$name" $list)
2686 [ "$list" = "" ] && warn "Option $opt did not match anything"
2689 --enable-?*|--disable-?*)
2690 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2691 if is_in $option $COMPONENT_LIST; then
2692 test $action = disable && action=unset
2693 eval $action \$$(toupper ${option%s})_LIST
2694 elif is_in $option $CMDLINE_SELECT; then
2701 NAME="${opt#--list-}"
2702 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2704 eval show_list $NAME \$$(toupper $NAME)_LIST
2706 --help|-h) show_help
2708 --fatal-warnings) enable fatal_warnings
2711 optname="${opt%%=*}"
2712 optname="${optname#--}"
2713 optname=$(echo "$optname" | sed 's/-/_/g')
2714 if is_in $optname $CMDLINE_SET; then
2715 eval $optname='$optval'
2716 elif is_in $optname $CMDLINE_APPEND; then
2717 append $optname "$optval"
2725 disabled logging && logfile=/dev/null
2727 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2730 test -n "$cross_prefix" && enable cross_compile
2732 if enabled cross_compile; then
2733 test -n "$arch" && test -n "$target_os" ||
2734 die "Must specify target arch and OS when cross-compiling"
2737 ar_default="${cross_prefix}${ar_default}"
2738 cc_default="${cross_prefix}${cc_default}"
2739 cxx_default="${cross_prefix}${cxx_default}"
2740 nm_default="${cross_prefix}${nm_default}"
2741 pkg_config_default="${cross_prefix}${pkg_config_default}"
2742 ranlib="${cross_prefix}${ranlib}"
2743 strip_default="${cross_prefix}${strip_default}"
2744 windres_default="${cross_prefix}${windres_default}"
2746 sysinclude_default="${sysroot}/usr/include"
2748 test -n "$valgrind" && toolchain="valgrind-memcheck"
2750 case "$toolchain" in
2753 add_cflags -fsanitize=address
2754 add_ldflags -fsanitize=address
2758 add_cflags -fsanitize=thread -pie
2759 add_ldflags -fsanitize=thread -pie
2763 add_cflags -fsanitize=address
2764 add_ldflags -fsanitize=address
2768 add_cflags -fsanitize=thread -pie -fPIC
2769 add_ldflags -fsanitize=thread -pie -fPIC
2772 target_exec_default=${valgrind:-"valgrind"}
2773 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"
2776 target_exec_default=${valgrind:-"valgrind"}
2777 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2780 # Check whether the current MSVC version needs the C99 converter.
2781 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2782 # support enough of C99 to build ffmpeg. Default to the new
2783 # behaviour if the regexp was unable to match anything, since this
2784 # successfully parses the version number of existing supported
2785 # versions that require the converter (MSVC 2010 and 2012).
2786 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2787 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2790 cc_default="c99wrap cl"
2793 nm_default="dumpbin -symbols"
2795 target_os_default="win32"
2796 # Use a relative path for TMPDIR. This makes sure all the
2797 # ffconf temp files are written with a relative path, avoiding
2798 # issues with msys/win32 path conversion for MSVC parameters
2799 # such as -Fo<file> or -out:<file>.
2805 nm_default="dumpbin -symbols"
2807 target_os_default="win32"
2811 add_cflags -fprofile-arcs -ftest-coverage
2812 add_ldflags -fprofile-arcs -ftest-coverage
2815 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2816 add_ldflags -Wl,-z,relro -Wl,-z,now
2819 die "Unknown toolchain $toolchain"
2823 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2824 enabled cross_compile || host_cc_default=$cc
2827 if ! $pkg_config --version >/dev/null 2>&1; then
2828 warn "$pkg_config not found, library detection may fail."
2834 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2838 EXESUF=$(exesuf $target_os)
2839 HOSTEXESUF=$(exesuf $host_os)
2841 # set temporary file name
2842 : ${TMPDIR:=$TEMPDIR}
2846 if [ -n "$tempprefix" ] ; then
2848 echo $tempprefix.${HOSTNAME}.${UID}
2850 elif ! check_cmd mktemp -u XXXXXX; then
2851 # simple replacement for missing mktemp
2852 # NOT SAFE FOR GENERAL USE
2854 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2859 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2860 (set -C; exec > $tmp) 2>/dev/null ||
2861 die "Unable to create temporary file in $TMPDIR."
2862 append TMPFILES $tmp
2866 trap 'rm -f -- $TMPFILES' EXIT
2871 tmpfile TMPE $EXESUF
2882 # make sure we can execute files in $TMPDIR
2883 cat > $TMPSH 2>> $logfile <<EOF
2886 chmod +x $TMPSH >> $logfile 2>&1
2887 if ! $TMPSH >> $logfile 2>&1; then
2889 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2890 variable to another directory and make sure that it is not mounted noexec.
2892 die "Sanity test failed."
2898 -std=c99) echo -c99 ;;
2899 -mcpu=*) echo -arch ${flag#*=} ;;
2900 -mieee) echo -ieee ;;
2901 -O*|-fast) echo $flag ;;
2902 -fno-math-errno) echo -assume nomath_errno ;;
2904 -Wall) echo -msg_enable level2 ;;
2905 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2906 -Wl,*) echo $flag ;;
2916 -Wno-switch) echo -Wno-switch-enum ;;
2917 -Wno-format-zero-length) ;;
2918 -Wdisabled-optimization) ;;
2919 -Wno-pointer-sign) echo -Wno-other ;;
2925 msvc_common_flags(){
2928 # In addition to specifying certain flags under the compiler
2929 # specific filters, they must be specified here as well or else the
2930 # generic catch all at the bottom will print the original flag.
2934 -fomit-frame-pointer) ;;
2938 -fno-signed-zeros) ;;
2942 -lz) echo zlib.lib ;;
2943 -lavifil32) echo vfw32.lib ;;
2944 -lavicap32) echo vfw32.lib user32.lib ;;
2945 -l*) echo ${flag#-l}.lib ;;
2952 msvc_common_flags "$@"
2955 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2956 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2957 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2965 msvc_common_flags "$@"
2968 # Despite what Intel's documentation says -Wall, which is supported
2969 # on Windows, does enable remarks so disable them here.
2970 -Wall) echo $flag -Qdiag-disable:remark ;;
2971 -std=c99) echo -Qstd=c99 ;;
2979 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2980 -fomit-frame-pointer) echo -Mnoframe ;;
2991 case "${flag#*=}" in
2992 native) echo -xtarget=native ;;
2993 v9|niagara) echo -xarch=sparc ;;
2994 ultrasparc) echo -xarch=sparcvis ;;
2995 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2996 i586|pentium) echo -xchip=pentium ;;
2997 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2998 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2999 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3000 pentium4*) echo -xtarget=pentium4 ;;
3001 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3002 *-sse3) echo -xarch=sse3 ;;
3003 core2) echo -xarch=ssse3 -xchip=core2 ;;
3004 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3005 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3006 amdfam10|barcelona) echo -xtarget=barcelona ;;
3007 bdver*) echo -xarch=avx ;;
3008 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3009 k8|opteron|athlon64|athlon-fx)
3010 echo -xarch=sse2a ;;
3011 athlon*) echo -xarch=pentium_proa ;;
3014 -std=c99) echo -xc99 ;;
3015 -fomit-frame-pointer) echo -xregs=frameptr ;;
3016 -fPIC) echo -KPIC -xcode=pic32 ;;
3017 -W*,*) echo $flag ;;
3018 -f*-*|-W*|-mimpure-text) ;;
3029 case "${flag#*=}" in
3030 armv7-a|cortex-a*) echo -mv=7a8 ;;
3031 armv7-r|cortex-r*) echo -mv=7r4 ;;
3032 armv7-m|cortex-m*) echo -mv=7m3 ;;
3033 armv6*|arm11*) echo -mv=6 ;;
3034 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3036 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3039 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3040 -mfpu=vfp) echo --float_support=vfpv2 ;;
3041 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3042 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3043 -msoft-float) echo --float_support=vfplib ;;
3044 -O[0-3]|-mf=*) echo $flag ;;
3046 -pds=*) echo $flag ;;
3047 -D*|-I*) echo $flag ;;
3048 --gcc|--abi=*) echo $flag ;;
3058 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3059 unset _ld_o _ldflags _ld_lib _ld_path
3060 unset _depflags _DEPCMD _DEPFLAGS
3063 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3064 true # no-op to avoid reading stdin in following checks
3065 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3067 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3068 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3069 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3072 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3074 gcc_version=$($_cc --version | head -n1)
3075 gcc_basever=$($_cc -dumpversion)
3076 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3077 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3078 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3079 if ! $_cc -dumpversion | grep -q '^2\.'; then
3080 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3084 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3086 _ident=$($_cc --version | head -n1)
3091 elif $_cc -v 2>&1 | grep -q xlc; then
3093 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3095 _cflags_size='-O5 -qcompact'
3096 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3098 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3100 _cflags_speed='-fast'
3102 _flags_filter=ccc_flags
3103 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
3104 test -d "$sysroot" || die "No valid sysroot specified."
3106 _ident=$($_cc --vsn | head -n1)
3107 armcc_conf="$PWD/armcc.conf"
3108 $_cc --arm_linux_configure \
3109 --arm_linux_config_file="$armcc_conf" \
3110 --configure_sysroot="$sysroot" \
3111 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3112 die "Error creating armcc configuration file."
3113 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3114 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3115 as_default="${cross_prefix}gcc"
3119 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3121 _ident=$($_cc -version | head -n1 | tr -s ' ')
3122 _flags='--gcc --abi=eabi -me'
3125 _depflags='-ppa -ppd=$(@:.o=.d)'
3126 _cflags_speed='-O3 -mf=5'
3127 _cflags_size='-O3 -mf=2'
3128 _flags_filter=tms470_flags
3129 elif $_cc -v 2>&1 | grep -q clang; then
3131 _ident=$($_cc --version | head -n1)
3132 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3135 elif $_cc -V 2>&1 | grep -q Sun; then
3137 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3138 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3139 _DEPFLAGS='-xM1 -xc99'
3142 _cflags_size='-O5 -xspace'
3143 _flags_filter=suncc_flags
3144 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3146 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3147 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3150 _flags_filter='filter_out -Wdisabled-optimization'
3151 elif $_cc -v 2>&1 | grep -q Open64; then
3153 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3154 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3157 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3158 elif $_cc -V 2>&1 | grep -q Portland; then
3160 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3161 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3162 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3163 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3165 _flags_filter=pgi_flags
3166 elif $_cc 2>&1 | grep -q Microsoft; then
3168 _ident=$($cc 2>&1 | head -n1)
3169 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3170 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3173 if $_cc 2>&1 | grep -q Linker; then
3180 _flags_filter=msvc_flags
3182 _ld_path='-libpath:'
3184 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3185 if [ $pfx = hostcc ]; then
3186 append _cflags -Dsnprintf=_snprintf
3189 elif $_cc 2>&1 | grep -q Intel; then
3191 _ident=$($cc 2>&1 | head -n1)
3192 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3193 # Not only is O3 broken on 13.x+ but it is slower on all previous
3194 # versions (tested) as well.
3196 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3197 if $_cc 2>&1 | grep -q Linker; then
3204 _flags_filter=icl_flags
3206 _ld_path='-libpath:'
3207 # -Qdiag-error to make icl error when seeing certain unknown arguments
3208 _flags='-nologo -Qdiag-error:4044,10157'
3209 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3210 # with MSVC which enables it by default.
3211 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3212 if [ $pfx = hostcc ]; then
3213 append _cflags -Dsnprintf=_snprintf
3215 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3217 _ident=$($_cc --version | head -n1)
3221 _flags_filter=cparser_flags
3224 eval ${pfx}_type=\$_type
3225 eval ${pfx}_ident=\$_ident
3229 eval ${1}_C=\${_cc_c-\${${1}_C}}
3230 eval ${1}_E=\${_cc_e-\${${1}_E}}
3231 eval ${1}_O=\${_cc_o-\${${1}_O}}
3233 if [ -n "$_depflags" ]; then
3234 eval ${1}_DEPFLAGS=\$_depflags
3236 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3237 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3238 eval DEP${1}FLAGS=\$_flags
3243 cflags_filter=$_flags_filter
3244 cflags_speed=$_cflags_speed
3245 cflags_size=$_cflags_size
3246 cflags_noopt=$_cflags_noopt
3247 add_cflags $_flags $_cflags
3248 cc_ldflags=$_ldflags
3251 probe_cc hostcc "$host_cc"
3252 host_cflags_filter=$_flags_filter
3253 add_host_cflags $_flags $_cflags
3256 test -n "$cc_type" && enable $cc_type ||
3257 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3259 : ${as_default:=$cc}
3260 : ${dep_cc_default:=$cc}
3261 : ${ld_default:=$cc}
3262 : ${host_ld_default:=$host_cc}
3263 set_default ar as dep_cc ld host_ld windres
3266 asflags_filter=$_flags_filter
3267 add_asflags $_flags $_cflags
3271 ldflags_filter=$_flags_filter
3272 add_ldflags $_flags $_ldflags
3273 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3275 LD_LIB=${_ld_lib-$LD_LIB}
3276 LD_PATH=${_ld_path-$LD_PATH}
3278 probe_cc hostld "$host_ld"
3279 host_ldflags_filter=$_flags_filter
3280 add_host_ldflags $_flags $_ldflags
3281 HOSTLD_O=${_ld_o-$HOSTLD_O}
3283 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3284 probe_cc depcc "$dep_cc"
3285 CCDEP=${_DEPCMD:-$DEPCMD}
3286 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3290 if $ar 2>&1 | grep -q Microsoft; then
3293 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3296 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3297 arflags='-Xany -r -c'
3304 add_cflags $extra_cflags
3305 add_cxxflags $extra_cxxflags
3306 add_asflags $extra_cflags
3308 if test -n "$sysroot"; then
3311 add_cppflags --sysroot="$sysroot"
3312 add_ldflags --sysroot="$sysroot"
3315 add_cppflags -I"$sysinclude"
3316 add_ldflags --sysroot="$sysroot"
3321 if test "$cpu" = host; then
3322 enabled cross_compile &&
3323 die "--cpu=host makes no sense when cross-compiling."
3328 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3330 s/.*$1=\\([^ ]*\\).*/\\1/
3335 cpu=$(check_native -march || check_native -mcpu)
3339 test "${cpu:-host}" = host &&
3340 die "--cpu=host not supported with compiler $cc"
3343 # Deal with common $arch aliases
3357 "Power Macintosh"|ppc*|powerpc*)
3372 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3377 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3380 # Add processor-specific flags
3381 if enabled aarch64; then
3385 cpuflags="-march=$cpu"
3388 cpuflags="-mcpu=$cpu"
3392 elif enabled alpha; then
3394 cpuflags="-mcpu=$cpu"
3396 elif enabled arm; then
3399 check_cpp_condition stddef.h \
3400 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3405 if check_arm_arch 4; then echo armv4;
3406 elif check_arm_arch 4T; then echo armv4t;
3407 elif check_arm_arch 5; then echo armv5;
3408 elif check_arm_arch 5E; then echo armv5e;
3409 elif check_arm_arch 5T; then echo armv5t;
3410 elif check_arm_arch 5TE; then echo armv5te;
3411 elif check_arm_arch 5TEJ; then echo armv5te;
3412 elif check_arm_arch 6; then echo armv6;
3413 elif check_arm_arch 6J; then echo armv6j;
3414 elif check_arm_arch 6K; then echo armv6k;
3415 elif check_arm_arch 6Z; then echo armv6z;
3416 elif check_arm_arch 6ZK; then echo armv6zk;
3417 elif check_arm_arch 6T2; then echo armv6t2;
3418 elif check_arm_arch 7; then echo armv7;
3419 elif check_arm_arch 7A 7_A; then echo armv7-a;
3420 elif check_arm_arch 7R 7_R; then echo armv7-r;
3421 elif check_arm_arch 7M 7_M; then echo armv7-m;
3422 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3423 elif check_arm_arch 8A 8_A; then echo armv8-a;
3427 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3431 cpuflags="-march=$cpu"
3432 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3435 cpuflags="-mcpu=$cpu"
3437 cortex-a*) subarch=armv7a ;;
3438 cortex-r*) subarch=armv7r ;;
3439 cortex-m*) enable thumb; subarch=armv7m ;;
3440 arm11*) subarch=armv6 ;;
3441 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3442 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3443 *) subarch=$(probe_arm_arch) ;;
3449 armv5t*) enable fast_clz ;;
3450 armv[6-8]*) enable fast_clz fast_unaligned ;;
3453 elif enabled avr32; then
3458 cpuflags="-mpart=$cpu"
3462 cpuflags="-march=$cpu"
3466 cpuflags="-mcpu=$cpu"
3470 cpuflags="-march=$cpu"
3474 elif enabled bfin; then
3476 cpuflags="-mcpu=$cpu"
3478 elif enabled mips; then
3480 cpuflags="-march=$cpu"
3496 24kef*|34kf*|1004kf*)
3504 elif enabled ppc; then
3506 case $(tolower $cpu) in
3507 601|ppc601|powerpc601)
3508 cpuflags="-mcpu=601"
3511 603*|ppc603*|powerpc603*)
3512 cpuflags="-mcpu=603"
3515 604*|ppc604*|powerpc604*)
3516 cpuflags="-mcpu=604"
3519 g3|75*|ppc75*|powerpc75*)
3520 cpuflags="-mcpu=750"
3523 g4|745*|ppc745*|powerpc745*)
3524 cpuflags="-mcpu=7450"
3526 74*|ppc74*|powerpc74*)
3527 cpuflags="-mcpu=7400"
3529 g5|970|ppc970|powerpc970)
3530 cpuflags="-mcpu=970"
3533 cpuflags="-mcpu=$cpu"
3536 cpuflags="-mcpu=cell"
3540 cpuflags="-mcpu=e500mc"
3544 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3548 cpuflags="-mcpu=8540 -mhard-float"
3553 elif enabled sparc; then
3556 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3557 cpuflags="-mcpu=$cpu"
3560 ultrasparc*|niagara[234])
3561 cpuflags="-mcpu=$cpu"
3565 elif enabled x86; then
3569 cpuflags="-march=$cpu"
3572 # targets that do NOT support nopl and conditional mov (cmov)
3573 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3574 cpuflags="-march=$cpu"
3577 # targets that do support nopl and conditional mov (cmov)
3578 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3579 cpuflags="-march=$cpu"
3583 # targets that do support conditional mov but on which it's slow
3584 pentium4|pentium4m|prescott|nocona)
3585 cpuflags="-march=$cpu"
3593 if [ "$cpu" != generic ]; then
3594 add_cflags $cpuflags
3595 add_asflags $cpuflags
3598 # compiler sanity check
3600 int main(void){ return 0; }
3602 if test "$?" != 0; then
3603 echo "$cc is unable to create an executable file."
3604 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3605 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3606 echo "Only do this if you know what cross compiling means."
3608 die "C compiler test failed."
3611 add_cppflags -D_ISOC99_SOURCE
3612 add_cxxflags -D__STDC_CONSTANT_MACROS
3613 check_cflags -std=c99
3614 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3617 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3621 add_host_cppflags -D_ISOC99_SOURCE
3622 check_host_cflags -std=c99
3623 check_host_cflags -Wall
3624 check_host_cflags -O3
3630 check_code cc "" "int test[2*($expr) - 1]" &&
3631 subarch=$arch64 || subarch=$arch32
3639 check_64bit mips mips64 '_MIPS_SIM > 1'
3643 check_64bit parisc parisc64 'sizeof(void *) > 4'
3647 check_64bit ppc ppc64 'sizeof(void *) > 4'
3651 check_64bit sparc sparc64 'sizeof(void *) > 4'
3655 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3656 if test "$subarch" = "x86_64"; then
3661 check_cc <<EOF && subarch="ppc64"
3662 int test[(int)sizeof(char*) - 7];
3668 enabled spic && enable_weak pic
3674 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3675 enabled shared && add_ldflags -Wl,-brtl
3678 prefix_default="/boot/common"
3679 network_extralibs="-lnetwork"
3683 SHFLAGS='-shared -Wl,-h,$$(@F)'
3684 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3685 network_extralibs="-lsocket -lnsl"
3686 # When using suncc to build, the Solaris linker will mark
3687 # an executable with each instruction set encountered by
3688 # the Solaris assembler. As our libraries contain their own
3689 # guards for processor-specific code, instead suppress
3690 # generation of the HWCAPS ELF section on Solaris x86 only.
3691 enabled_all suncc x86 &&
3692 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3693 add_ldflags -Wl,-M,mapfile
3694 nm_default='nm -P -g'
3698 oss_indev_extralibs="-lossaudio"
3699 oss_outdev_extralibs="-lossaudio"
3700 enabled gcc || check_ldflags -Wl,-zmuldefs
3705 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3707 oss_indev_extralibs="-lossaudio"
3708 oss_outdev_extralibs="-lossaudio"
3716 add_extralibs -lpoll -lgnugetopt
3720 gas="gas-preprocessor.pl $cc"
3721 enabled ppc && add_asflags -force_cpusubtype_ALL
3722 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3723 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3725 add_ldflags -Wl,-dynamic,-search_paths_first
3727 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3728 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3730 enabled x86_64 && objformat="macho64"
3731 enabled_any pic shared ||
3732 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3735 if test $target_os = "mingw32ce"; then
3741 if enabled x86_64; then
3742 LIBTARGET="i386:x86-64"
3743 elif enabled arm; then
3746 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3747 check_ldflags -Wl,--nxcompat
3748 check_ldflags -Wl,--dynamicbase
3749 shlibdir_default="$bindir_default"
3752 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3753 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3754 dlltool="${cross_prefix}dlltool"
3755 if check_cmd lib.exe -list; then
3756 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3757 if enabled x86_64; then
3760 elif check_cmd $dlltool --version; then
3761 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3763 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3765 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3766 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3767 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3774 if enabled shared; then
3775 # Link to the import library instead of the normal static library
3778 # Cannot build both shared and static libs with MSVC or icl.
3781 shlibdir_default="$bindir_default"
3784 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3785 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3786 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3787 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3789 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3790 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3791 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3798 shlibdir_default="$bindir_default"
3801 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3802 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3803 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3805 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3806 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3809 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3811 *-dos|freedos|opendos)
3812 network_extralibs="-lsocket"
3815 add_cppflags -U__STRICT_ANSI__
3822 ranlib="echo ignoring ranlib"
3828 add_cppflags -D_GNU_SOURCE
3829 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3830 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3834 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3835 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3836 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3837 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3838 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3839 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3840 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3841 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3842 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3843 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3844 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3846 enable_weak os2threads
3849 add_cppflags -D_BSD_SOURCE
3854 add_cppflags -D_QNX_SOURCE
3855 network_extralibs="-lsocket"
3860 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3861 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3862 add_ldflags -Wl,--target1-abs,--no-undefined \
3863 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3864 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3865 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3866 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3867 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3870 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3875 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3876 -D_REENTRANT_SOURCE \
3877 -D_RESEARCH_SOURCE \
3880 add_compat strtod.o strtod=avpriv_strtod
3881 network_extralibs='-lbsd'
3882 exeobjs=compat/plan9/main.o
3889 die "Unknown OS '$target_os'."
3893 # determine libc flavour
3898 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3899 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3900 eval ${pfx}libc_type=uclibc
3901 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3902 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3903 eval ${pfx}libc_type=glibc
3904 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3905 # MinGW headers can be installed on Cygwin, so check for newlib first.
3906 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3907 eval ${pfx}libc_type=newlib
3908 add_${pfx}cppflags -U__STRICT_ANSI__
3909 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3910 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3911 eval ${pfx}libc_type=mingw64
3912 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
3913 add_compat msvcrt/snprintf.o
3914 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3916 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3917 eval test \$${pfx_no_}cc_type = "gcc" &&
3918 add_${pfx}cppflags -D__printf__=__gnu_printf__
3919 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3920 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3921 eval ${pfx}libc_type=mingw32
3922 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3923 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3924 die "ERROR: MinGW32 runtime version must be >= 3.15."
3925 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3926 eval test \$${pfx_no_}cc_type = "gcc" &&
3927 add_${pfx}cppflags -D__printf__=__gnu_printf__
3928 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3929 eval ${pfx}libc_type=msvcrt
3930 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3931 # 0x601 by default unless something else is set by the user.
3932 # This can easily lead to us detecting functions only present
3933 # in such new versions and producing binaries requiring windows 7.0.
3934 # Therefore explicitly set the default to XP unless the user has
3935 # set something else on the command line.
3936 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3937 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
3938 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3939 eval ${pfx}libc_type=klibc
3940 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3941 eval ${pfx}libc_type=bionic
3942 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3943 eval ${pfx}libc_type=solaris
3944 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3949 test -n "$libc_type" && enable libc_$libc_type
3951 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3955 add_compat strtod.o strtod=avpriv_strtod
3958 add_compat strtod.o strtod=avpriv_strtod
3959 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3960 _snprintf=avpriv_snprintf \
3961 vsnprintf=avpriv_vsnprintf
3965 # hacks for compiler/libc/os combinations
3967 if enabled_all tms470 libc_glibc; then
3968 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3969 add_cppflags -D__USER_LABEL_PREFIX__=
3970 add_cppflags -D__builtin_memset=memset
3971 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3972 add_cflags -pds=48 # incompatible redefinition of macro
3975 if enabled_all ccc libc_glibc; then
3976 add_ldflags -Wl,-z,now # calls to libots crash without this
3980 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3983 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3985 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3987 set_default $PATHS_LIST
3990 # we need to build at least one lib type
3991 if ! enabled_any static shared; then
3993 At least one library type must be built.
3994 Specify --enable-static to build the static libraries or --enable-shared to
3995 build the shared libraries as well. To only build the shared libraries specify
3996 --disable-static in addition to --enable-shared.
4001 # backward compatibility layer for incompatible_libav/fork_abi
4002 enabled incompatible_fork_abi && enable incompatible_libav_abi
4003 enabled incompatible_libav_abi && enable incompatible_fork_abi
4005 die_license_disabled() {
4006 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4009 die_license_disabled_gpl() {
4010 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4013 die_license_disabled gpl frei0r
4014 die_license_disabled gpl libcdio
4015 die_license_disabled gpl libutvideo
4016 die_license_disabled gpl libvidstab
4017 die_license_disabled gpl libx264
4018 die_license_disabled gpl libx265
4019 die_license_disabled gpl libxavs
4020 die_license_disabled gpl libxvid
4021 die_license_disabled gpl libzvbi
4022 die_license_disabled gpl x11grab
4024 die_license_disabled nonfree libaacplus
4025 die_license_disabled nonfree libfaac
4026 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4027 enabled gpl && die_license_disabled_gpl nonfree openssl
4029 die_license_disabled version3 libopencore_amrnb
4030 die_license_disabled version3 libopencore_amrwb
4031 die_license_disabled version3 libvo_aacenc
4032 die_license_disabled version3 libvo_amrwbenc
4034 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4036 disabled optimizations || check_cflags -fomit-frame-pointer
4039 disabled pic && return
4042 case "$target_os" in
4052 enabled pic && enable_weak_pic
4054 check_cc <<EOF || die "Symbol mangling check failed."
4057 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4058 extern_prefix=${sym%%ff_extern*}
4060 check_cc <<EOF && enable_weak inline_asm
4061 void foo(void) { __asm__ volatile ("" ::); }
4065 for restrict_keyword in restrict __restrict__ __restrict; do
4066 check_cc <<EOF && _restrict=$restrict_keyword && break
4067 void foo(char * $restrict_keyword p);
4071 check_cc <<EOF && enable pragma_deprecated
4072 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4075 check_cc <<EOF && enable attribute_packed
4076 struct { int x; } __attribute__((packed)) x;
4079 check_cc <<EOF && enable attribute_may_alias
4080 union { int x; } __attribute__((may_alias)) x;
4083 check_cc <<EOF || die "endian test failed"
4084 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4086 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4088 check_inline_asm inline_asm_labels '"1:\n"'
4090 if enabled aarch64; then
4091 # internal assembler in clang 3.3 does not support this instruction
4092 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4093 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4095 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4097 elif enabled alpha; then
4101 elif enabled arm; then
4103 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4104 float func(float a, float b){ return a+b; }
4107 enabled thumb && check_cflags -mthumb || check_cflags -marm
4110 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4112 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4113 case "${cross_prefix:-$cc}" in
4114 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4115 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4116 __asm__ (".eabi_attribute 28, 1");
4117 int main(void) { return 0; }
4120 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4123 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4124 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4125 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4126 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4127 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4128 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4130 [ $target_os = linux ] ||
4131 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4134 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4135 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
4137 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4139 elif enabled mips; then
4141 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4142 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
4143 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
4144 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4145 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4146 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4147 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4148 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4149 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4151 elif enabled parisc; then
4153 if enabled gcc; then
4154 case $($cc -dumpversion) in
4155 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4159 elif enabled ppc; then
4161 enable local_aligned_8 local_aligned_16
4163 [ $cpu != e500 -a $cpu != e500v2 ] &&
4164 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4165 check_inline_asm ibm_asm '"add 0, 0, 0"'
4166 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4167 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4169 # AltiVec flags: The FSF version of GCC differs from the Apple version
4170 if enabled altivec; then
4171 if ! enabled_any pic ppc64; then
4174 check_cflags -maltivec -mabi=altivec &&
4175 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4176 check_cflags -faltivec
4178 # check if our compiler supports Motorola AltiVec C API
4179 check_cc <<EOF || disable altivec
4182 vector signed int v1 = (vector signed int) { 0 };
4183 vector signed int v2 = (vector signed int) { 1 };
4184 v1 = vec_add(v1, v2);
4189 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4192 elif enabled sparc; then
4194 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
4196 elif enabled x86; then
4198 check_builtin rdtsc intrin.h "__rdtsc()"
4199 check_builtin mm_empty mmintrin.h "_mm_empty()"
4201 enable local_aligned_8 local_aligned_16
4203 # check whether EBP is available on x86
4204 # As 'i' is stored on the stack, this program will crash
4205 # if the base pointer is used to access it because the
4206 # base pointer is cleared in the inline assembly code.
4207 check_exec_crash <<EOF && enable ebp_available
4209 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4213 # check whether EBX is available on x86
4214 check_inline_asm ebx_available '""::"b"(0)' &&
4215 check_inline_asm ebx_available '"":::"%ebx"'
4217 # check whether xmm clobbers are supported
4218 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4220 # check whether binutils is new enough to compile SSSE3/MMXEXT
4221 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4222 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4224 if ! disabled_any asm mmx yasm; then
4225 if check_cmd $yasmexe --version; then
4226 enabled x86_64 && yasm_extra="-m amd64"
4227 yasm_debug="-g dwarf2"
4228 elif check_cmd nasm -v; then
4230 yasm_debug="-g -F dwarf"
4231 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4234 YASMFLAGS="-f $objformat $yasm_extra"
4235 enabled pic && append YASMFLAGS "-DPIC"
4236 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4237 case "$objformat" in
4238 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4241 check_yasm "movbe ecx, [5]" && enable yasm ||
4242 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4243 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4244 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4245 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4246 check_yasm "CPU amdnop" && enable cpunop
4250 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4257 if enabled asm; then
4259 check_as <<EOF && enable gnu_as || \
4260 $nogas "GNU assembler not found, install gas-preprocessor"
4268 check_ldflags -Wl,--as-needed
4270 if check_func dlopen; then
4272 elif check_func dlopen -ldl; then
4276 if ! disabled network; then
4277 check_type "sys/types.h sys/socket.h" socklen_t
4278 check_type netdb.h "struct addrinfo"
4279 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4280 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4281 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4282 check_type netinet/in.h "struct sockaddr_in6"
4283 check_type poll.h "struct pollfd"
4284 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4285 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4286 check_type netinet/sctp.h "struct sctp_event_subscribe"
4287 check_func getaddrinfo $network_extralibs
4288 check_func getservbyport $network_extralibs
4289 # Prefer arpa/inet.h over winsock2
4290 if check_header arpa/inet.h ; then
4291 check_func closesocket
4292 elif check_header winsock2.h ; then
4293 check_func_headers winsock2.h closesocket -lws2 &&
4294 network_extralibs="-lws2" ||
4295 { check_func_headers winsock2.h closesocket -lws2_32 &&
4296 network_extralibs="-lws2_32"; } || disable winsock2_h network
4297 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4298 check_type ws2tcpip.h socklen_t
4299 check_type ws2tcpip.h "struct addrinfo"
4300 check_type ws2tcpip.h "struct group_source_req"
4301 check_type ws2tcpip.h "struct ip_mreq_source"
4302 check_type ws2tcpip.h "struct ipv6_mreq"
4303 check_type winsock2.h "struct pollfd"
4304 check_type ws2tcpip.h "struct sockaddr_in6"
4305 check_type ws2tcpip.h "struct sockaddr_storage"
4306 check_struct winsock2.h "struct sockaddr" sa_len
4312 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4313 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4316 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4319 check_func_headers stdlib.h getenv
4320 check_func gethrtime
4322 check_func getrusage
4323 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4324 check_func gettimeofday
4325 check_func inet_aton $network_extralibs
4327 check_func localtime_r
4328 check_func ${malloc_prefix}memalign && enable memalign
4332 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4333 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4334 check_func setrlimit
4335 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4336 check_func strerror_r
4337 check_func sched_getaffinity
4338 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4339 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4340 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4341 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4342 check_builtin sarestart signal.h "SA_RESTART"
4346 check_func_headers conio.h kbhit
4347 check_func_headers windows.h PeekNamedPipe
4348 check_func_headers io.h setmode
4349 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4350 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4351 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4352 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4353 check_func_headers windows.h GetProcessAffinityMask
4354 check_func_headers windows.h GetProcessTimes
4355 check_func_headers windows.h GetSystemTimeAsFileTime
4356 check_func_headers windows.h MapViewOfFile
4357 check_func_headers windows.h SetConsoleTextAttribute
4358 check_func_headers windows.h Sleep
4359 check_func_headers windows.h VirtualAlloc
4360 check_func_headers glob.h glob
4361 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4363 check_header cl/cl.h
4364 check_header direct.h
4365 check_header dlfcn.h
4367 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4369 check_header libcrystalhd/libcrystalhd_if.h
4370 check_header malloc.h
4372 check_header sys/mman.h
4373 check_header sys/param.h
4374 check_header sys/resource.h
4375 check_header sys/select.h
4376 check_header sys/time.h
4377 check_header sys/un.h
4378 check_header termios.h
4379 check_header unistd.h
4380 check_header vdpau/vdpau.h
4381 check_header vdpau/vdpau_x11.h
4382 check_header VideoDecodeAcceleration/VDADecoder.h
4383 check_header windows.h
4384 check_header X11/extensions/XvMClib.h
4385 check_header asm/types.h
4387 if ! disabled w32threads && ! enabled pthreads; then
4388 check_func_headers "windows.h process.h" _beginthreadex &&
4389 enable w32threads || disable w32threads
4392 # check for some common methods of building with pthread support
4393 # do this before the optional library checks as some of them require pthreads
4394 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4396 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4398 add_extralibs -pthread
4399 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4400 add_cflags -pthreads
4401 add_extralibs -pthreads
4402 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4403 add_extralibs -lpthreadGC2
4404 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4406 elif ! check_func pthread_join && ! check_func pthread_create; then
4409 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
4412 for thread in $THREADS_LIST; do
4413 if enabled $thread; then
4414 test -n "$thread_type" &&
4415 die "ERROR: Only one thread type must be selected." ||
4416 thread_type="$thread"
4420 if enabled pthreads; then
4421 check_func pthread_cancel
4424 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4425 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4427 check_lib math.h sin -lm && LIBM="-lm"
4428 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4434 for func in $MATH_FUNCS; do
4435 eval check_mathfunc $func \${${func}_args:-1}
4438 # these are off by default, so fail if requested and not available
4439 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4440 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4441 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4442 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
4443 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4444 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4445 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4446 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4447 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4448 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4449 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4450 enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
4451 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4452 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4453 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4454 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4455 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4456 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4457 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"
4458 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4459 enabled libfreetype && require_libfreetype
4460 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4461 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4462 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4463 done || die "ERROR: libgsm not found"; }
4464 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4465 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4466 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4467 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4468 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4469 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4470 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4471 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4472 check_lib openjpeg.h opj_version -lopenjpeg ||
4473 die "ERROR: libopenjpeg not found"; }
4474 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4475 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4476 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4477 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4478 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4479 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4480 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4481 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4482 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4483 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4484 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4485 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4486 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4487 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4488 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4489 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4490 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4491 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4492 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
4493 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4494 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4495 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4497 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4498 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4499 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 ||
4500 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4501 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4502 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_SVC" -lvpx || disable libvpx_vp9_encoder; } }
4503 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4504 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4505 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4506 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4507 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4508 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
4509 { check_cpp_condition x265.h "X265_BUILD >= 5" ||
4510 die "ERROR: libx265 version must be >= 5."; }
4511 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4512 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4513 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4514 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4515 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4516 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4517 die "ERROR: openal not found"; } &&
4518 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4519 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4520 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4521 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4522 die "ERROR: opencl not found"; } &&
4523 { ! enabled_any w32threads os2threads ||
4524 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4525 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4526 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4527 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4528 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
4529 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
4530 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
4531 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
4532 die "ERROR: opengl not found."
4534 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4535 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4536 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4537 die "ERROR: openssl not found"; }
4539 if enabled gnutls; then
4540 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4541 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4545 if enabled libdc1394; then
4546 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4547 enable libdc1394_2; } ||
4548 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4549 enable libdc1394_1; } ||
4550 die "ERROR: No version of libdc1394 found "
4553 SDL_CONFIG="${cross_prefix}sdl-config"
4554 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4555 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4556 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4559 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4560 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4561 sdl_libs=$("${SDL_CONFIG}" --libs)
4562 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4563 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4564 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4568 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4570 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4571 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4572 perl -v > /dev/null 2>&1 && enable perl || disable perl
4573 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4574 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4576 check_header linux/fb.h
4577 check_header linux/videodev.h
4578 check_header linux/videodev2.h
4579 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4581 check_header sys/videoio.h
4583 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4584 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4585 # w32api 3.12 had it defined wrong
4586 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4588 check_type "dshow.h" IBaseFilter
4590 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4591 { check_header dev/bktr/ioctl_meteor.h &&
4592 check_header dev/bktr/ioctl_bt848.h; } ||
4593 { check_header machine/ioctl_meteor.h &&
4594 check_header machine/ioctl_bt848.h; } ||
4595 { check_header dev/video/meteor/ioctl_meteor.h &&
4596 check_header dev/video/bktr/ioctl_bt848.h; } ||
4597 check_header dev/ic/bt8xx.h
4599 check_header sndio.h
4600 if check_struct sys/soundcard.h audio_buf_info bytes; then
4601 enable_safe sys/soundcard.h
4603 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4604 #include <sys/soundcard.h>
4608 check_header soundcard.h
4610 enabled_any alsa_indev alsa_outdev &&
4611 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4613 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4614 check_func jack_port_get_latency_range -ljack
4616 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4618 if enabled libcdio; then
4619 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4620 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4621 die "ERROR: libcdio-paranoia not found"
4624 check_lib X11/Xlib.h XOpenDisplay -lX11 && enable xlib
4627 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4628 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
4629 { enabled xlib || die "ERROR: Xlib not found"; }
4632 check_lib va/va.h vaInitialize -lva ||
4636 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4639 enabled vdpau && enabled xlib &&
4640 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4641 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
4644 # Funny iconv installations are not unusual, so check it after all flags have been set
4645 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4647 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4649 # add some useful compiler flags if supported
4650 check_cflags -Wdeclaration-after-statement
4652 check_cflags -Wdisabled-optimization
4653 check_cflags -Wpointer-arith
4654 check_cflags -Wredundant-decls
4655 check_cflags -Wwrite-strings
4656 check_cflags -Wtype-limits
4657 check_cflags -Wundef
4658 check_cflags -Wmissing-prototypes
4659 check_cflags -Wno-pointer-to-int-cast
4660 check_cflags -Wstrict-prototypes
4661 enabled extra_warnings && check_cflags -Winline
4663 check_disable_warning(){
4664 warning_flag=-W${1#-Wno-}
4665 test_cflags $warning_flag && add_cflags $1
4668 check_disable_warning -Wno-parentheses
4669 check_disable_warning -Wno-switch
4670 check_disable_warning -Wno-format-zero-length
4671 check_disable_warning -Wno-pointer-sign
4673 # add some linker flags
4674 check_ldflags -Wl,--warn-common
4675 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4676 enabled rpath && add_ldflags -Wl,-rpath=$libdir
4677 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4679 # add some strip flags
4680 # -wN '..@*' is more selective than -x, but not available everywhere.
4681 check_stripflags -wN \'..@*\' || check_stripflags -x
4683 enabled neon_clobber_test &&
4684 check_ldflags -Wl,--wrap,avcodec_open2 \
4685 -Wl,--wrap,avcodec_decode_audio4 \
4686 -Wl,--wrap,avcodec_decode_video2 \
4687 -Wl,--wrap,avcodec_decode_subtitle2 \
4688 -Wl,--wrap,avcodec_encode_audio2 \
4689 -Wl,--wrap,avcodec_encode_video2 \
4690 -Wl,--wrap,avcodec_encode_subtitle \
4691 -Wl,--wrap,swr_convert \
4692 -Wl,--wrap,avresample_convert ||
4693 disable neon_clobber_test
4695 enabled xmm_clobber_test &&
4696 check_ldflags -Wl,--wrap,avcodec_open2 \
4697 -Wl,--wrap,avcodec_decode_audio4 \
4698 -Wl,--wrap,avcodec_decode_video2 \
4699 -Wl,--wrap,avcodec_decode_subtitle2 \
4700 -Wl,--wrap,avcodec_encode_audio2 \
4701 -Wl,--wrap,avcodec_encode_video \
4702 -Wl,--wrap,avcodec_encode_video2 \
4703 -Wl,--wrap,avcodec_encode_subtitle \
4704 -Wl,--wrap,swr_convert \
4705 -Wl,--wrap,avresample_convert \
4706 -Wl,--wrap,sws_scale ||
4707 disable xmm_clobber_test
4710 if test_ldflags -Wl,--version-script,$TMPV; then
4711 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4712 check_cc <<EOF && enable symver_asm_label
4713 void ff_foo(void) __asm__ ("av_foo@VERSION");
4714 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4716 check_cc <<EOF && enable symver_gnu_asm
4717 __asm__(".symver ff_foo,av_foo@VERSION");
4718 void ff_foo(void) {}
4722 if [ -z "$optflags" ]; then
4723 if enabled small; then
4724 optflags=$cflags_size
4725 elif enabled optimizations; then
4726 optflags=$cflags_speed
4728 optflags=$cflags_noopt
4734 enabled lto && check_ldflags "$@"
4738 if enabled lto; then
4739 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4741 check_ldflags -flto $cpuflags
4744 check_optflags $optflags
4745 check_optflags -fno-math-errno
4746 check_optflags -fno-signed-zeros
4748 enabled ftrapv && check_cflags -ftrapv
4750 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4755 if enabled icc; then
4756 # Just warnings, no remarks
4758 # -wd: Disable following warnings
4759 # 144, 167, 556: -Wno-pointer-sign
4760 # 188: enumerated type mixed with another type
4761 # 1292: attribute "foo" ignored
4762 # 1419: external declaration in primary source file
4763 # 10006: ignoring unknown option -fno-signed-zeros
4764 # 10148: ignoring unknown option -Wno-parentheses
4765 # 10156: ignoring option '-W'; no argument required
4766 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4767 # 11030: Warning unknown option --as-needed
4768 # 10156: ignoring option '-export'; no argument required
4769 check_ldflags -wd10156,11030
4770 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4771 enable ebp_available
4772 if enabled x86_32; then
4773 icc_version=$($cc -dumpversion)
4774 test ${icc_version%%.*} -ge 11 &&
4775 check_cflags -falign-stack=maintain-16-byte ||
4776 disable aligned_stack
4778 elif enabled ccc; then
4779 # disable some annoying warnings
4780 add_cflags -msg_disable bitnotint
4781 add_cflags -msg_disable mixfuncvoid
4782 add_cflags -msg_disable nonstandcast
4783 add_cflags -msg_disable unsupieee
4784 elif enabled gcc; then
4785 check_optflags -fno-tree-vectorize
4786 check_cflags -Werror=implicit-function-declaration
4787 check_cflags -Werror=missing-prototypes
4788 check_cflags -Werror=return-type
4789 check_cflags -Werror=vla
4790 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4791 elif enabled llvm_gcc; then
4792 check_cflags -mllvm -stack-alignment=16
4793 elif enabled clang; then
4794 check_cflags -mllvm -stack-alignment=16
4795 check_cflags -Qunused-arguments
4796 check_cflags -Werror=implicit-function-declaration
4797 check_cflags -Werror=missing-prototypes
4798 check_cflags -Werror=return-type
4799 elif enabled cparser; then
4800 add_cflags -Wno-missing-variable-declarations
4801 add_cflags -Wno-empty-statement
4802 elif enabled armcc; then
4803 # 2523: use of inline assembler is deprecated
4804 add_cflags -W${armcc_opt},--diag_suppress=2523
4805 add_cflags -W${armcc_opt},--diag_suppress=1207
4806 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4807 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4808 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4809 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4810 elif enabled tms470; then
4811 add_cflags -pds=824 -pds=837
4813 elif enabled pathscale; then
4814 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4815 elif enabled_any msvc icl; then
4816 enabled x86_32 && disable aligned_stack
4817 enabled_all x86_32 debug && add_cflags -Oy-
4818 enabled debug && add_ldflags -debug
4819 enable pragma_deprecated
4820 if enabled icl; then
4821 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4822 # (correctly) on icl 13.x.
4823 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4824 add_cflags -Qansi-alias
4825 # icl will pass the inline asm tests but inline asm is currently
4826 # not supported (build will fail)
4827 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
4834 add_asflags -Qunused-arguments
4840 check_ldflags -Qunused-arguments
4846 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4849 add_cppflags -Dmain=plan9_main
4853 enable frame_thread_encoder
4855 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4857 check_deps $CONFIG_LIST \
4862 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"
4865 if test $target_os = "haiku"; then
4867 disable posix_memalign
4870 ! enabled_any memalign posix_memalign aligned_malloc &&
4871 enabled_any $need_memalign && enable memalign_hack
4874 # -> enable ${lib}_deps_${dep}
4875 # -> add $dep to ${lib}_deps only once
4879 enabled "${lib}_deps_${dep}" && return 0
4880 enable "${lib}_deps_${dep}"
4881 prepend "${lib}_deps" $dep
4884 # merge deps lib components
4885 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4890 enabled $comp || continue
4891 eval "dep=\"\$${comp}_deps\""
4898 merge_deps libavfilter $FILTER_LIST
4900 echo "install prefix $prefix"
4901 echo "source path $source_path"
4902 echo "C compiler $cc"
4903 echo "C library $libc_type"
4904 if test "$host_cc" != "$cc"; then
4905 echo "host C compiler $host_cc"
4906 echo "host C library $host_libc_type"
4908 echo "ARCH $arch ($cpu)"
4909 if test "$build_suffix" != ""; then
4910 echo "build suffix $build_suffix"
4912 if test "$progs_suffix" != ""; then
4913 echo "progs suffix $progs_suffix"
4915 if test "$extra_version" != ""; then
4916 echo "version string suffix $extra_version"
4918 echo "big-endian ${bigendian-no}"
4919 echo "runtime cpu detection ${runtime_cpudetect-no}"
4920 if enabled x86; then
4921 echo "${yasmexe} ${yasm-no}"
4922 echo "MMX enabled ${mmx-no}"
4923 echo "MMXEXT enabled ${mmxext-no}"
4924 echo "3DNow! enabled ${amd3dnow-no}"
4925 echo "3DNow! extended enabled ${amd3dnowext-no}"
4926 echo "SSE enabled ${sse-no}"
4927 echo "SSSE3 enabled ${ssse3-no}"
4928 echo "AVX enabled ${avx-no}"
4929 echo "XOP enabled ${xop-no}"
4930 echo "FMA4 enabled ${fma4-no}"
4931 echo "i686 features enabled ${i686-no}"
4932 echo "CMOV is fast ${fast_cmov-no}"
4933 echo "EBX available ${ebx_available-no}"
4934 echo "EBP available ${ebp_available-no}"
4936 if enabled aarch64; then
4937 echo "NEON enabled ${neon-no}"
4938 echo "VFP enabled ${vfp-no}"
4940 if enabled arm; then
4941 echo "ARMv5TE enabled ${armv5te-no}"
4942 echo "ARMv6 enabled ${armv6-no}"
4943 echo "ARMv6T2 enabled ${armv6t2-no}"
4944 echo "VFP enabled ${vfp-no}"
4945 echo "NEON enabled ${neon-no}"
4946 echo "THUMB enabled ${thumb-no}"
4948 if enabled mips; then
4949 echo "MIPS FPU enabled ${mipsfpu-no}"
4950 echo "MIPS32R2 enabled ${mips32r2-no}"
4951 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
4952 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
4954 if enabled ppc; then
4955 echo "AltiVec enabled ${altivec-no}"
4956 echo "PPC 4xx optimizations ${ppc4xx-no}"
4957 echo "dcbzl available ${dcbzl-no}"
4959 if enabled sparc; then
4960 echo "VIS enabled ${vis-no}"
4962 echo "debug symbols ${debug-no}"
4963 echo "strip symbols ${stripping-no}"
4964 echo "optimize for size ${small-no}"
4965 echo "optimizations ${optimizations-no}"
4966 echo "static ${static-no}"
4967 echo "shared ${shared-no}"
4968 echo "postprocessing support ${postproc-no}"
4969 echo "new filter support ${avfilter-no}"
4970 echo "network support ${network-no}"
4971 echo "threading support ${thread_type-no}"
4972 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4973 echo "SDL support ${sdl-no}"
4974 echo "opencl enabled ${opencl-no}"
4975 echo "libzvbi enabled ${libzvbi-no}"
4976 echo "texi2html enabled ${texi2html-no}"
4977 echo "perl enabled ${perl-no}"
4978 echo "pod2man enabled ${pod2man-no}"
4979 echo "makeinfo enabled ${makeinfo-no}"
4980 test -n "$random_seed" &&
4981 echo "random seed ${random_seed}"
4984 echo "External libraries:"
4985 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4988 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4989 echo "Enabled ${type}s:"
4990 eval list=\$$(toupper $type)_LIST
4991 print_enabled '_*' $list | print_3_columns
4995 license="LGPL version 2.1 or later"
4996 if enabled nonfree; then
4997 license="nonfree and unredistributable"
4998 elif enabled gplv3; then
4999 license="GPL version 3 or later"
5000 elif enabled lgplv3; then
5001 license="LGPL version 3 or later"
5002 elif enabled gpl; then
5003 license="GPL version 2 or later"
5006 echo "License: $license"
5008 echo "Creating config.mak, config.h, and doc/config.texi..."
5010 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5012 enabled stripping || strip="echo skipping strip"
5014 config_files="$TMPH config.mak doc/config.texi"
5016 cat > config.mak <<EOF
5017 # Automatically generated by configure - do not modify!
5018 ifndef FFMPEG_CONFIG_MAK
5020 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5022 LIBDIR=\$(DESTDIR)$libdir
5023 SHLIBDIR=\$(DESTDIR)$shlibdir
5024 INCDIR=\$(DESTDIR)$incdir
5025 BINDIR=\$(DESTDIR)$bindir
5026 DATADIR=\$(DESTDIR)$datadir
5027 DOCDIR=\$(DESTDIR)$docdir
5028 MANDIR=\$(DESTDIR)$mandir
5029 SRC_PATH=$source_path
5030 ifndef MAIN_MAKEFILE
5031 SRC_PATH:=\$(SRC_PATH:.%=..%)
5040 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5042 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5070 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5071 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5072 YASMFLAGS=$YASMFLAGS
5073 BUILDSUF=$build_suffix
5074 PROGSSUF=$progs_suffix
5082 EXTRA_VERSION=$extra_version
5085 CCDEP_FLAGS=$CCDEP_FLAGS
5087 ASDEP_FLAGS=$ASDEP_FLAGS
5088 CC_DEPFLAGS=$CC_DEPFLAGS
5089 AS_DEPFLAGS=$AS_DEPFLAGS
5092 HOSTCFLAGS=$host_cflags
5093 HOSTCPPFLAGS=$host_cppflags
5094 HOSTEXESUF=$HOSTEXESUF
5095 HOSTLDFLAGS=$host_ldflags
5098 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5099 HOSTCCDEP=$HOSTCCDEP
5100 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5101 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5105 TARGET_EXEC=$target_exec $target_exec_args
5106 TARGET_PATH=$target_path
5107 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5108 CFLAGS-ffplay=$sdl_cflags
5109 ZLIB=$($ldflags_filter -lz)
5110 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5111 EXTRALIBS=$extralibs
5112 COMPAT_OBJS=$compat_objs
5115 LIBTARGET=${LIBTARGET}
5116 SLIBNAME=${SLIBNAME}
5117 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5118 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5119 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5120 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5121 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5122 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5123 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5124 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5125 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5126 NOREDZONE_FLAGS=$noredzone_flags
5131 name=$(toupper $lcname)
5132 file=$source_path/$lcname/version.h
5133 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5134 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5135 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5136 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5137 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5138 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5141 map 'get_version $v' $LIBRARY_LIST
5143 print_program_libs(){
5144 eval "program_libs=\$${1}_libs"
5145 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5148 map 'print_program_libs $v' $PROGRAM_LIST
5151 /* Automatically generated by configure - do not modify! */
5152 #ifndef FFMPEG_CONFIG_H
5153 #define FFMPEG_CONFIG_H
5154 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5155 #define FFMPEG_LICENSE "$(c_escape $license)"
5156 #define CONFIG_THIS_YEAR 2014
5157 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5158 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5159 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5160 #define av_restrict $_restrict
5161 #define EXTERN_PREFIX "${extern_prefix}"
5162 #define EXTERN_ASM ${extern_prefix}
5163 #define BUILDSUF "$build_suffix"
5164 #define SLIBSUF "$SLIBSUF"
5165 #define HAVE_MMX2 HAVE_MMXEXT
5168 test -n "$assert_level" &&
5169 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5171 test -n "$malloc_prefix" &&
5172 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5174 if enabled yasm; then
5175 append config_files $TMPASM
5179 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5183 echo "@c auto-generated by configure" > doc/config.texi
5185 print_config ARCH_ "$config_files" $ARCH_LIST
5186 print_config HAVE_ "$config_files" $HAVE_LIST
5187 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5191 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5192 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5194 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5195 cp_if_changed $TMPH config.h
5198 enabled yasm && cp_if_changed $TMPASM config.asm
5201 /* Generated by ffconf */
5202 #ifndef AVUTIL_AVCONFIG_H
5203 #define AVUTIL_AVCONFIG_H
5206 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5208 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5210 cp_if_changed $TMPH libavutil/avconfig.h
5212 if test -n "$WARNINGS"; then
5213 printf "\n$WARNINGS"
5214 enabled fatal_warnings && exit 1
5217 # build pkg-config files
5219 pkgconfig_generate(){
5221 shortname=${name#lib}${build_suffix}
5226 enabled ${name#lib} || return 0
5228 cat <<EOF > $name/$name${build_suffix}.pc
5230 exec_prefix=\${prefix}
5235 Description: $comment
5237 Requires: $(enabled shared || echo $requires)
5238 Requires.private: $(enabled shared && echo $requires)
5240 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5241 Libs.private: $(enabled shared && echo $libs)
5242 Cflags: -I\${includedir}
5245 mkdir -p doc/examples/pc-uninstalled
5246 includedir=${source_path}
5247 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5248 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5251 libdir=\${pcfiledir}/../../../$name
5252 includedir=${includedir}
5255 Description: $comment
5259 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5260 Cflags: -I\${includedir}
5264 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5265 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
5266 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
5267 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
5268 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
5269 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
5270 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
5271 lavfi_libs=${lavfi_libs%, }
5273 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
5274 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
5276 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5277 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5278 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
5279 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
5280 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
5281 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5282 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5283 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5284 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"