3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --enable-rpath use rpath to allow installing libraries in paths
91 not part of the dynamic linker search path
94 --enable-gpl allow use of GPL code, the resulting libs
95 and binaries will be under GPL [no]
96 --enable-version3 upgrade (L)GPL to version 3 [no]
97 --enable-nonfree allow use of nonfree code, the resulting libs
98 and binaries will be unredistributable [no]
100 Configuration options:
101 --disable-static do not build static libraries [no]
102 --enable-shared build shared libraries [no]
103 --enable-small optimize for size instead of speed
104 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
105 --enable-gray enable full grayscale support (slower color)
106 --disable-swscale-alpha disable alpha channel support in swscale
107 --disable-all disable building components, libraries and programs
108 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
109 --enable-raise-major increase major version numbers in sonames [no]
112 --disable-programs do not build command line programs
113 --disable-ffmpeg disable ffmpeg build
114 --disable-ffplay disable ffplay build
115 --disable-ffprobe disable ffprobe build
116 --disable-ffserver disable ffserver build
118 Documentation options:
119 --disable-doc do not build documentation
120 --disable-htmlpages do not build HTML documentation pages
121 --disable-manpages do not build man documentation pages
122 --disable-podpages do not build POD documentation pages
123 --disable-txtpages do not build text documentation pages
126 --disable-avdevice disable libavdevice build
127 --disable-avcodec disable libavcodec build
128 --disable-avformat disable libavformat build
129 --disable-avutil disable libavutil build
130 --disable-swresample disable libswresample build
131 --disable-swscale disable libswscale build
132 --disable-postproc disable libpostproc build
133 --disable-avfilter disable libavfilter build
134 --enable-avresample enable libavresample build [no]
135 --disable-pthreads disable pthreads [auto]
136 --disable-w32threads disable Win32 threads [auto]
137 --disable-os2threads disable OS/2 threads [auto]
138 --disable-network disable network support [no]
139 --disable-dct disable DCT code
140 --disable-dwt disable DWT code
141 --disable-error-resilience disable error resilience code
142 --disable-lsp disable LSP code
143 --disable-lzo disable LZO decoder code
144 --disable-mdct disable MDCT code
145 --disable-rdft disable RDFT code
146 --disable-fft disable FFT code
148 Hardware accelerators:
149 --disable-dxva2 disable DXVA2 code [autodetect]
150 --disable-vaapi disable VAAPI code [autodetect]
151 --disable-vda disable VDA code [autodetect]
152 --disable-vdpau disable VDPAU code [autodetect]
154 Individual component options:
155 --disable-everything disable all components listed below
156 --disable-encoder=NAME disable encoder NAME
157 --enable-encoder=NAME enable encoder NAME
158 --disable-encoders disable all encoders
159 --disable-decoder=NAME disable decoder NAME
160 --enable-decoder=NAME enable decoder NAME
161 --disable-decoders disable all decoders
162 --disable-hwaccel=NAME disable hwaccel NAME
163 --enable-hwaccel=NAME enable hwaccel NAME
164 --disable-hwaccels disable all hwaccels
165 --disable-muxer=NAME disable muxer NAME
166 --enable-muxer=NAME enable muxer NAME
167 --disable-muxers disable all muxers
168 --disable-demuxer=NAME disable demuxer NAME
169 --enable-demuxer=NAME enable demuxer NAME
170 --disable-demuxers disable all demuxers
171 --enable-parser=NAME enable parser NAME
172 --disable-parser=NAME disable parser NAME
173 --disable-parsers disable all parsers
174 --enable-bsf=NAME enable bitstream filter NAME
175 --disable-bsf=NAME disable bitstream filter NAME
176 --disable-bsfs disable all bitstream filters
177 --enable-protocol=NAME enable protocol NAME
178 --disable-protocol=NAME disable protocol NAME
179 --disable-protocols disable all protocols
180 --enable-indev=NAME enable input device NAME
181 --disable-indev=NAME disable input device NAME
182 --disable-indevs disable input devices
183 --enable-outdev=NAME enable output device NAME
184 --disable-outdev=NAME disable output device NAME
185 --disable-outdevs disable output devices
186 --disable-devices disable all devices
187 --enable-filter=NAME enable filter NAME
188 --disable-filter=NAME disable filter NAME
189 --disable-filters disable all filters
191 External library support:
192 --enable-avisynth enable reading of AviSynth script files [no]
193 --disable-bzlib disable bzlib [autodetect]
194 --enable-fontconfig enable fontconfig
195 --enable-frei0r enable frei0r video filtering
196 --enable-gnutls enable gnutls [no]
197 --disable-iconv disable iconv [autodetect]
198 --enable-ladspa enable LADSPA audio filtering
199 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
200 --enable-libass enable libass subtitles rendering [no]
201 --enable-libbluray enable BluRay reading using libbluray [no]
202 --enable-libbs2b enable bs2b DSP library [no]
203 --enable-libcaca enable textual display using libcaca
204 --enable-libcelt enable CELT decoding via libcelt [no]
205 --enable-libcdio enable audio CD grabbing with libcdio
206 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
208 --enable-libfaac enable AAC encoding via libfaac [no]
209 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
210 --enable-libflite enable flite (voice synthesis) support via libflite [no]
211 --enable-libfreetype enable libfreetype [no]
212 --enable-libgme enable Game Music Emu via libgme [no]
213 --enable-libgsm enable GSM de/encoding via libgsm [no]
214 --enable-libiec61883 enable iec61883 via libiec61883 [no]
215 --enable-libilbc enable iLBC de/encoding via libilbc [no]
216 --enable-libmodplug enable ModPlug via libmodplug [no]
217 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
218 --enable-libnut enable NUT (de)muxing via libnut,
219 native (de)muxer exists [no]
220 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
221 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
222 --enable-libopencv enable video filtering via libopencv [no]
223 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
224 --enable-libopus enable Opus de/encoding via libopus [no]
225 --enable-libpulse enable Pulseaudio input via libpulse [no]
226 --enable-libquvi enable quvi input via libquvi [no]
227 --enable-librtmp enable RTMP[E] support via librtmp [no]
228 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
229 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
230 --enable-libsoxr enable Include libsoxr resampling [no]
231 --enable-libspeex enable Speex de/encoding via libspeex [no]
232 --enable-libssh enable SFTP protocol via libssh [no]
233 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
234 --enable-libtheora enable Theora encoding via libtheora [no]
235 --enable-libtwolame enable MP2 encoding via libtwolame [no]
236 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
237 --enable-libv4l2 enable libv4l2/v4l-utils [no]
238 --enable-libvidstab enable video stabilization using vid.stab [no]
239 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
240 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
241 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
242 native implementation exists [no]
243 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
244 --enable-libwavpack enable wavpack encoding via libwavpack [no]
245 --enable-libwebp enable WebP encoding via libwebp [no]
246 --enable-libx264 enable H.264 encoding via x264 [no]
247 --enable-libx265 enable HEVC encoding via x265 [no]
248 --enable-libxavs enable AVS encoding via xavs [no]
249 --enable-libxvid enable Xvid encoding via xvidcore,
250 native MPEG-4/Xvid encoder exists [no]
251 --enable-libzmq enable message passing via libzmq [no]
252 --enable-libzvbi enable teletext support via libzvbi [no]
253 --enable-decklink enable Blackmagick DeckLink output [no]
254 --enable-openal enable OpenAL 1.1 capture support [no]
255 --enable-opencl enable OpenCL code
256 --enable-opengl enable OpenGL rendering [no]
257 --enable-openssl enable openssl [no]
258 --enable-x11grab enable X11 grabbing [no]
259 --disable-xlib disable xlib [autodetect]
260 --disable-zlib disable zlib [autodetect]
263 --arch=ARCH select architecture [$arch]
264 --cpu=CPU select the minimum required CPU (affects
265 instruction selection, may crash on older CPUs)
266 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
267 --progs-suffix=SUFFIX program name suffix []
268 --enable-cross-compile assume a cross-compiler is used
269 --sysroot=PATH root of cross-build tree
270 --sysinclude=PATH location of cross-build system headers
271 --target-os=OS compiler targets OS [$target_os]
272 --target-exec=CMD command to run executables on target
273 --target-path=DIR path to view of build directory on target
274 --target-samples=DIR path to samples directory on target
275 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
276 --toolchain=NAME set tool defaults according to NAME
277 --nm=NM use nm tool NM [$nm_default]
278 --ar=AR use archive tool AR [$ar_default]
279 --as=AS use assembler AS [$as_default]
280 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
281 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
282 --cc=CC use C compiler CC [$cc_default]
283 --cxx=CXX use C compiler CXX [$cxx_default]
284 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
285 --ld=LD use linker LD [$ld_default]
286 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
287 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
288 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
289 --host-cc=HOSTCC use host C compiler HOSTCC
290 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
291 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
292 --host-ld=HOSTLD use host linker HOSTLD
293 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
294 --host-libs=HLIBS use libs HLIBS when linking for host
295 --host-os=OS compiler host OS [$target_os]
296 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
297 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
298 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
299 --extra-libs=ELIBS add ELIBS [$ELIBS]
300 --extra-version=STRING version string suffix []
301 --optflags=OPTFLAGS override optimization-related compiler flags
302 --build-suffix=SUFFIX library name suffix []
303 --enable-pic build position-independent code
304 --enable-thumb compile for Thumb instruction set
305 --enable-lto use link-time optimization
307 Advanced options (experts only):
308 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
309 --disable-symver disable symbol versioning
310 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
311 --disable-safe-bitstream-reader
312 disable buffer boundary checking in bitreaders
313 (faster, but may crash)
314 --enable-memalign-hack emulate memalign, interferes with memory debuggers
315 --enable-sram allow use of on-chip SRAM
316 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
318 Optimization options (experts only):
319 --disable-asm disable all assembler optimizations
320 --disable-altivec disable AltiVec optimizations
321 --disable-amd3dnow disable 3DNow! optimizations
322 --disable-amd3dnowext disable 3DNow! extended optimizations
323 --disable-mmx disable MMX optimizations
324 --disable-mmxext disable MMXEXT optimizations
325 --disable-sse disable SSE optimizations
326 --disable-sse2 disable SSE2 optimizations
327 --disable-sse3 disable SSE3 optimizations
328 --disable-ssse3 disable SSSE3 optimizations
329 --disable-sse4 disable SSE4 optimizations
330 --disable-sse42 disable SSE4.2 optimizations
331 --disable-avx disable AVX optimizations
332 --disable-xop disable XOP optimizations
333 --disable-fma3 disable FMA3 optimizations
334 --disable-fma4 disable FMA4 optimizations
335 --disable-avx2 disable AVX2 optimizations
336 --disable-armv5te disable armv5te optimizations
337 --disable-armv6 disable armv6 optimizations
338 --disable-armv6t2 disable armv6t2 optimizations
339 --disable-vfp disable VFP optimizations
340 --disable-neon disable NEON optimizations
341 --disable-inline-asm disable use of inline assembler
342 --disable-yasm disable use of yasm assembler
343 --disable-mips32r2 disable MIPS32R2 optimizations
344 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
345 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
346 --disable-mipsfpu disable floating point MIPS optimizations
347 --disable-fast-unaligned consider unaligned accesses slow
349 Developer options (useful when working on FFmpeg itself):
350 --disable-debug disable debugging symbols
351 --enable-debug=LEVEL set the debug level [$debuglevel]
352 --disable-optimizations disable compiler optimizations
353 --enable-extra-warnings enable more compiler warnings
354 --disable-stripping disable stripping of executables and shared libraries
355 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
356 2 causes a slowdown at runtime.
357 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
358 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
359 leaks and errors, using the specified valgrind binary.
360 Cannot be combined with --target-exec
361 --enable-ftrapv Trap arithmetic overflows
362 --samples=PATH location of test samples for FATE, if not set use
363 \$FATE_SAMPLES at make invocation time.
364 --enable-neon-clobber-test check NEON registers for clobbering (should be
365 used only for debugging purposes)
366 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
367 should be used only for debugging purposes)
368 --enable-random randomly enable/disable components
370 --enable-random=LIST randomly enable/disable specific components or
371 --disable-random=LIST component groups. LIST is a comma-separated list
372 of NAME[:PROB] entries where NAME is a component
373 (group) and PROB the probability associated with
375 --random-seed=VALUE seed value for --enable/disable-random
377 NOTE: Object files are built at the place where configure is launched.
385 echo "$@" >> $logfile
390 pr -n -t $1 >> $logfile
401 WARNINGS="${WARNINGS}WARNING: $*\n"
408 If you think configure made a mistake, make sure you are using the latest
409 version from Git. If the latest version fails, report the problem to the
410 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
412 if disabled logging; then
414 Rerun configure with logging enabled (do not use --disable-logging), and
415 include the log this produces with your report.
419 Include the log file "$logfile" produced by configure as this will help
426 # Avoid locale weirdness, besides we really just want to translate ASCII.
428 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
432 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
436 echo "$*" | sed 's/["\\]/\\\0/g'
440 v=$(echo "$1" | sed "s/'/'\\\\''/g")
441 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
446 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\\r//g'
453 eval "case $v in $pat) echo $v ;; esac"
461 eval "case $v in $pat) ;; *) echo $v ;; esac"
468 for v; do eval $m; done
474 for v; do echo ${v}${suffix}; done
489 eval : \${$var:=$value}
494 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
500 eval $(sanitize_var_name "$var")='$*'
504 eval echo \$$(sanitize_var_name "$1")
509 eval level=\${${pvar}_level:=0}
510 eval ${pvar}_${level}="\$$pvar"
511 eval ${pvar}_level=$(($level+1))
517 eval level=\${${pvar}_level:-0}
518 test $level = 0 && continue
519 eval level=$(($level-1))
520 eval $pvar="\${${pvar}_${level}}"
521 eval ${pvar}_level=$level
522 eval unset ${pvar}_${level}
544 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
550 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
556 enabled $var && continue
557 eval sel="\$${var}_select"
558 eval sgs="\$${var}_suggest"
562 enable_deep_weak $sgs
574 disabled $var && continue
583 test "${1#!}" = "$1" && op== || op=!=
584 eval test "x\$${1#!}" $op "xyes"
588 test "${1#!}" = "$1" && op== || op=!=
589 eval test "x\$${1#!}" $op "xno"
594 enabled $opt || return 1
600 disabled $opt || return 1
606 enabled $opt && return 0
612 disabled $opt && return 0
619 eval : \${$opt:=\$${opt}_default}
627 [ $var = $value ] && return 0
635 enabled ${cfg}_checking && die "Circular dependency for $cfg."
636 disabled ${cfg}_checking && continue
637 enable ${cfg}_checking
640 eval dep_all="\$${cfg}_deps"
641 eval dep_any="\$${cfg}_deps_any"
642 eval dep_sel="\$${cfg}_select"
643 eval dep_sgs="\$${cfg}_suggest"
644 eval dep_ifa="\$${cfg}_if"
645 eval dep_ifn="\$${cfg}_if_any"
647 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
648 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
649 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
651 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
652 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
653 enabled_all $dep_all || disable $cfg
654 enabled_any $dep_any || disable $cfg
655 disabled_any $dep_sel && disable $cfg
657 if enabled $cfg; then
659 enable_deep_weak $dep_sgs
662 disable ${cfg}_checking
671 for cfg in $allopts; do
672 enabled $cfg || continue
673 eval dep_extralibs="\$${cfg}_extralibs"
674 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
682 map 'eval echo "$v \${$v:-no}"' "$@" |
683 awk "BEGIN { split(\"$files\", files) }
685 c = \"$pfx\" toupper(\$1);
691 if (file ~ /\\.h\$/) {
692 printf(\"#define %s %d\\n\", c, v) >>file;
693 } else if (file ~ /\\.asm\$/) {
694 printf(\"%%define %s %d\\n\", c, v) >>file;
695 } else if (file ~ /\\.mak\$/) {
696 n = -v ? \"\" : \"!\";
697 printf(\"%s%s=yes\\n\", n, c) >>file;
698 } else if (file ~ /\\.texi\$/) {
699 pre = -v ? \"\" : \"@c \";
702 gsub(/_/, \"-\", c2);
703 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
713 enabled $v && printf "%s\n" ${v%$suf};
720 eval "$var=\"\$$var $*\""
726 eval "$var=\"$* \$$var\""
732 for tok in $(eval echo \$$var); do
733 uniq_list="$(filter_out $tok $uniq_list) $tok"
735 eval "$var=\"${uniq_list}\""
743 append CFLAGS $($cflags_filter "$@")
747 append CXXFLAGS $($cflags_filter "$@")
751 append ASFLAGS $($asflags_filter "$@")
755 append LDFLAGS $($ldflags_filter "$@")
759 append ASMSTRIPFLAGS "$@"
763 prepend extralibs $($ldflags_filter "$@")
767 append host_cppflags "$@"
771 append host_cflags $($host_cflags_filter "$@")
775 append host_ldflags $($host_ldflags_filter "$@")
779 append compat_objs $1
781 map 'add_cppflags -D$v' "$@"
786 "$@" >> $logfile 2>&1
791 stat "$1" >> $logfile 2>&1
795 eval printf '%s\\n' $CC_O
799 eval printf '%s\\n' $CC_E
806 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
813 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
820 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
827 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
831 eval printf '%s\\n' $AS_O
838 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
842 log check_inline_asm "$@"
847 check_cc "$@" <<EOF && enable $name
848 void foo(void){ __asm__ volatile($code); }
854 check_inline_asm ${1}_inline "\"$2\""
855 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
863 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
867 eval printf '%s\\n' $LD_O
874 flags=$(filter_out '-l*|*.so' $@)
875 libs=$(filter '-l*|*.so' $@)
876 check_$type $($cflags_filter $flags) || return
877 flags=$($ldflags_filter $flags)
878 libs=$($ldflags_filter $libs)
879 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
884 test "${hdr%.h}" = "${hdr}" &&
885 echo "#include $hdr" ||
886 echo "#include <$hdr>"
896 for hdr in $headers; do
899 echo "int main(void) { $code; return 0; }"
900 } | check_$check "$@"
904 log check_cppflags "$@"
905 check_cc "$@" <<EOF && append CPPFLAGS "$@"
912 set -- $($cflags_filter "$@")
919 log check_cflags "$@"
920 test_cflags "$@" && add_cflags "$@"
924 log check_cxxflags "$@"
925 set -- $($cflags_filter "$@")
926 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
932 log test_ldflags "$@"
933 check_ld "cc" "$@" <<EOF
934 int main(void){ return 0; }
939 log check_ldflags "$@"
940 test_ldflags "$@" && add_ldflags "$@"
944 log test_stripflags "$@"
945 # call check_cc to get a fresh TMPO
947 int main(void) { return 0; }
949 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
953 log check_stripflags "$@"
954 test_stripflags "$@" && add_stripflags "$@"
958 log check_header "$@"
962 check_cpp "$@" <<EOF && enable_safe $header
969 log check_header_oc "$@"
975 echo "#include <$header>"
976 echo "int main(void) { return 0; }"
977 } | check_oc && check_stat "$TMPO" && enable_safe $headers
985 check_ld "cc" "$@" <<EOF && enable $func
987 int main(void){ $func(); }
992 log check_mathfunc "$@"
996 test $narg = 2 && args="f, g" || args="f"
998 check_ld "cc" "$@" <<EOF && enable $func
1000 float foo(float f, float g) { return $func($args); }
1001 int main(void){ return (int) foo; }
1005 check_func_headers(){
1006 log check_func_headers "$@"
1011 for hdr in $headers; do
1014 for func in $funcs; do
1015 echo "long check_$func(void) { return (long) $func; }"
1017 echo "int main(void) { return 0; }"
1018 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1021 check_class_headers_cpp(){
1022 log check_class_headers_cpp "$@"
1027 for hdr in $headers; do
1028 echo "#include <$hdr>"
1030 echo "int main(void) { "
1032 for class in $classes; do
1033 echo "$class obj$i;"
1037 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1040 check_cpp_condition(){
1041 log check_cpp_condition "$@"
1045 check_cpp "$@" <<EOF
1048 #error "unsatisfied condition: $condition"
1058 check_header $header && check_func $func "$@" && add_extralibs "$@"
1066 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1070 log check_lib_cpp "$@"
1074 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1078 log check_pkg_config "$@"
1084 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1085 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1086 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1087 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1088 set_safe ${pkg}_cflags $pkg_cflags &&
1089 set_safe ${pkg}_libs $pkg_libs
1093 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1099 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1100 # are safe but may not be available everywhere. Thus we use
1101 # raise(SIGTERM) instead. The check is run in a subshell so we
1102 # can redirect the "Terminated" message from the shell. SIGBUS
1103 # is not defined by standard C so it is used conditionally.
1105 (check_exec "$@") >> $logfile 2>&1 <<EOF
1107 static void sighandler(int sig){
1113 int (*func_ptr)(void) = foo;
1115 signal(SIGILL, sighandler);
1116 signal(SIGFPE, sighandler);
1117 signal(SIGSEGV, sighandler);
1119 signal(SIGBUS, sighandler);
1131 disable_safe "$type"
1132 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1136 log check_struct "$@"
1141 disable_safe "${struct}_${member}"
1142 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1143 enable_safe "${struct}_${member}"
1147 log check_builtin "$@"
1153 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1156 check_compile_assert(){
1157 log check_compile_assert "$@"
1163 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1171 check_lib $header $func "$@" || die "ERROR: $name not found"
1179 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1187 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1190 require_pkg_config(){
1192 check_pkg_config "$@" || die "ERROR: $pkg not found"
1193 add_cflags $(get_safe ${pkg}_cflags)
1194 add_extralibs $(get_safe ${pkg}_libs)
1197 require_libfreetype(){
1198 log require_libfreetype "$@"
1200 check_cmd $pkg_config --exists --print-errors $pkg \
1201 || die "ERROR: $pkg not found"
1202 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1203 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1205 echo "#include <ft2build.h>"
1206 echo "#include FT_FREETYPE_H"
1207 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1208 echo "int main(void) { return 0; }"
1209 } | check_ld "cc" $pkg_cflags $pkg_libs \
1210 && set_safe ${pkg}_cflags $pkg_cflags \
1211 && set_safe ${pkg}_libs $pkg_libs \
1212 || die "ERROR: $pkg not found"
1213 add_cflags $(get_safe ${pkg}_cflags)
1214 add_extralibs $(get_safe ${pkg}_libs)
1218 eval printf '%s\\n' $HOSTCC_E
1222 eval printf '%s\\n' $HOSTCC_O
1226 log check_host_cc "$@"
1229 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1233 log check_host_cpp "$@"
1236 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1239 check_host_cppflags(){
1240 log check_host_cppflags "$@"
1241 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1246 check_host_cflags(){
1247 log check_host_cflags "$@"
1248 set -- $($host_cflags_filter "$@")
1249 check_host_cc "$@" <<EOF && append host_cflags "$@"
1254 check_host_cpp_condition(){
1255 log check_host_cpp_condition "$@"
1259 check_host_cpp "$@" <<EOF
1262 #error "unsatisfied condition: $condition"
1270 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1274 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1275 mkdir -p "$(dirname $2)"
1279 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1280 # system-dependent things.
1297 avio_reading_example
1298 decoding_encoding_example
1299 demuxing_decoding_example
1300 filter_audio_example
1301 filtering_audio_example
1302 filtering_video_example
1306 resampling_audio_example
1307 scaling_video_example
1308 transcode_aac_example
1312 EXTERNAL_LIBRARY_LIST="
1394 safe_bitstream_reader
1452 $EXTERNAL_LIBRARY_LIST
1460 incompatible_libav_abi
1520 ARCH_EXT_LIST_MIPS="
1527 ARCH_EXT_LIST_X86_SIMD="
1554 $ARCH_EXT_LIST_X86_SIMD
1584 sync_val_compare_and_swap
1595 incompatible_libav_abi
1604 cdio_paranoia_paranoia_h
1606 dev_bktr_ioctl_bt848_h
1607 dev_bktr_ioctl_meteor_h
1609 dev_video_bktr_ioctl_bt848_h
1610 dev_video_meteor_ioctl_meteor_h
1618 machine_ioctl_bt848_h
1619 machine_ioctl_meteor_h
1621 openjpeg_1_5_openjpeg_h
1684 GetProcessAffinityMask
1685 GetProcessMemoryInfo
1689 GetSystemTimeAsFileTime
1695 jack_port_get_latency_range
1710 SetConsoleTextAttribute
1722 TOOLCHAIN_FEATURES="
1734 inline_asm_nonlocal_labels
1735 inline_asm_direct_symbol_refs
1748 struct_group_source_req
1749 struct_ip_mreq_source
1752 struct_rusage_ru_maxrss
1753 struct_sctp_event_subscribe
1755 struct_sockaddr_sa_len
1756 struct_sockaddr_storage
1757 struct_stat_st_mtim_tv_nsec
1758 struct_v4l2_frmivalenum_discrete
1763 $(add_suffix _external $ARCH_EXT_LIST)
1764 $(add_suffix _inline $ARCH_EXT_LIST)
1793 # options emitted with CONFIG_ prefix but not available on the command line
1802 frame_thread_encoder
1916 # code dependency declarations
1918 # architecture extensions
1923 armv8_deps="aarch64"
1924 neon_deps_any="aarch64 arm"
1925 vfp_deps_any="aarch64 arm"
1928 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1931 mips32r2_deps="mips"
1932 mipsdspr1_deps="mips"
1933 mipsdspr2_deps="mips"
1940 x86_64_select="i686"
1941 x86_64_suggest="fast_cmov"
1944 amd3dnowext_deps="amd3dnow"
1960 mmx_external_deps="yasm"
1961 mmx_inline_deps="inline_asm"
1962 mmx_suggest="mmx_external mmx_inline"
1964 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1965 eval dep=\$${ext}_deps
1966 eval ${ext}_external_deps='"${dep}_external"'
1967 eval ${ext}_inline_deps='"${dep}_inline"'
1968 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1971 aligned_stack_if_any="aarch64 ppc x86"
1972 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1973 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1974 fast_unaligned_if_any="aarch64 ppc x86"
1976 need_memalign="altivec neon sse"
1978 # system capabilities
1980 symver_if_any="symver_asm_label symver_gnu_asm"
1983 atomics_gcc_if="sync_val_compare_and_swap"
1984 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1985 atomics_win32_if="MemoryBarrier"
1986 atomics_native_if_any="$ATOMICS_LIST"
1987 w32threads_deps="atomics_native"
1988 threads_if_any="$THREADS_LIST"
1992 error_resilience_select="dsputil"
1993 frame_thread_encoder_deps="encoders threads"
1996 mpegaudio_select="mpegaudiodsp"
1997 mpegaudiodsp_select="dct"
1998 mpegvideo_select="blockdsp dsputil h264chroma hpeldsp videodsp"
1999 mpegvideoenc_select="dsputil mpegvideo qpeldsp"
2001 # decoders / encoders
2002 aac_decoder_select="mdct sinewin"
2003 aac_encoder_select="audio_frame_queue mdct sinewin"
2004 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2005 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
2006 ac3_fixed_decoder_select="mdct ac3dsp ac3_parser dsputil"
2007 ac3_encoder_select="mdct ac3dsp dsputil"
2008 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
2009 aic_decoder_select="dsputil golomb"
2010 alac_encoder_select="lpc"
2011 als_decoder_select="dsputil"
2012 amrnb_decoder_select="lsp"
2013 amrwb_decoder_select="lsp"
2014 amv_decoder_select="sp5x_decoder exif"
2015 amv_encoder_select="aandcttables"
2016 ape_decoder_select="dsputil llauddsp"
2017 asv1_decoder_select="blockdsp dsputil"
2018 asv1_encoder_select="dsputil"
2019 asv2_decoder_select="blockdsp dsputil"
2020 asv2_encoder_select="dsputil"
2021 atrac1_decoder_select="mdct sinewin"
2022 atrac3_decoder_select="mdct"
2023 atrac3p_decoder_select="mdct sinewin"
2024 avrn_decoder_select="exif"
2025 bink_decoder_select="blockdsp hpeldsp"
2026 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
2027 binkaudio_rdft_decoder_select="mdct rdft sinewin"
2028 cavs_decoder_select="blockdsp dsputil golomb h264chroma qpeldsp videodsp"
2029 cllc_decoder_select="dsputil"
2030 comfortnoise_encoder_select="lpc"
2031 cook_decoder_select="dsputil mdct sinewin"
2032 cscd_decoder_select="lzo"
2033 cscd_decoder_suggest="zlib"
2034 dca_decoder_select="mdct"
2035 dirac_decoder_select="dsputil dwt golomb videodsp"
2036 dnxhd_decoder_select="blockdsp dsputil"
2037 dnxhd_encoder_select="aandcttables blockdsp dsputil mpegvideoenc"
2038 dvvideo_decoder_select="dsputil"
2039 dvvideo_encoder_select="dsputil"
2040 dxa_decoder_select="zlib"
2041 eac3_decoder_select="ac3_decoder"
2042 eac3_encoder_select="ac3_encoder"
2043 eamad_decoder_select="aandcttables blockdsp dsputil mpegvideo"
2044 eatgq_decoder_select="aandcttables"
2045 eatqi_decoder_select="aandcttables blockdsp dsputil error_resilience mpegvideo"
2046 exr_decoder_select="zlib"
2047 ffv1_decoder_select="golomb rangecoder"
2048 ffv1_encoder_select="rangecoder"
2049 ffvhuff_decoder_select="huffyuv_decoder"
2050 ffvhuff_encoder_select="huffyuv_encoder"
2051 fic_decoder_select="golomb"
2052 flac_decoder_select="golomb"
2053 flac_encoder_select="dsputil golomb lpc"
2054 flashsv_decoder_select="zlib"
2055 flashsv_encoder_select="zlib"
2056 flashsv2_encoder_select="zlib"
2057 flashsv2_decoder_select="zlib"
2058 flv_decoder_select="h263_decoder"
2059 flv_encoder_select="h263_encoder"
2060 fourxm_decoder_select="blockdsp dsputil"
2061 fraps_decoder_select="dsputil huffman"
2062 g2m_decoder_select="blockdsp dsputil zlib"
2063 g729_decoder_select="dsputil"
2064 h261_decoder_select="error_resilience mpegvideo"
2065 h261_encoder_select="aandcttables mpegvideoenc"
2066 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo qpeldsp"
2067 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2068 h263i_decoder_select="h263_decoder"
2069 h263p_encoder_select="h263_encoder"
2070 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
2071 h264_decoder_suggest="error_resilience"
2072 hevc_decoder_select="cabac dsputil golomb videodsp"
2073 huffyuv_decoder_select="dsputil huffyuvdsp llviddsp"
2074 huffyuv_encoder_select="dsputil huffman huffyuvencdsp llviddsp"
2075 iac_decoder_select="imc_decoder"
2076 imc_decoder_select="dsputil fft mdct sinewin"
2077 indeo3_decoder_select="hpeldsp"
2078 interplay_video_decoder_select="hpeldsp"
2079 jpegls_decoder_select="golomb mjpeg_decoder"
2080 jpegls_encoder_select="golomb"
2081 jv_decoder_select="blockdsp"
2082 lagarith_decoder_select="huffyuvdsp"
2083 ljpeg_encoder_select="aandcttables mpegvideoenc"
2084 loco_decoder_select="golomb"
2085 mdec_decoder_select="blockdsp dsputil error_resilience mpegvideo"
2086 metasound_decoder_select="lsp mdct sinewin"
2087 mimic_decoder_select="blockdsp dsputil hpeldsp"
2088 mjpeg_decoder_select="blockdsp dsputil hpeldsp exif"
2089 mjpeg_encoder_select="aandcttables mpegvideoenc"
2090 mjpegb_decoder_select="mjpeg_decoder"
2091 mlp_decoder_select="mlp_parser"
2092 motionpixels_decoder_select="dsputil"
2093 mp1_decoder_select="mpegaudio"
2094 mp1float_decoder_select="mpegaudio"
2095 mp2_decoder_select="mpegaudio"
2096 mp2float_decoder_select="mpegaudio"
2097 mp3_decoder_select="mpegaudio"
2098 mp3adu_decoder_select="mpegaudio"
2099 mp3adufloat_decoder_select="mpegaudio"
2100 mp3float_decoder_select="mpegaudio"
2101 mp3on4_decoder_select="mpegaudio"
2102 mp3on4float_decoder_select="mpegaudio"
2103 mpc7_decoder_select="dsputil mpegaudiodsp"
2104 mpc8_decoder_select="mpegaudiodsp"
2105 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2106 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2107 mpeg1video_decoder_select="error_resilience mpegvideo"
2108 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2109 mpeg2video_decoder_select="error_resilience mpegvideo"
2110 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2111 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2112 mpeg4_encoder_select="h263_encoder"
2113 msmpeg4v1_decoder_select="h263_decoder"
2114 msmpeg4v2_decoder_select="h263_decoder"
2115 msmpeg4v2_encoder_select="h263_encoder"
2116 msmpeg4v3_decoder_select="h263_decoder"
2117 msmpeg4v3_encoder_select="h263_encoder"
2118 mss2_decoder_select="error_resilience qpeldsp vc1_decoder"
2119 mxpeg_decoder_select="mjpeg_decoder"
2120 nellymoser_decoder_select="mdct sinewin"
2121 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2122 nuv_decoder_select="dsputil lzo"
2123 on2avc_decoder_select="mdct"
2124 opus_decoder_deps="swresample"
2125 png_decoder_select="zlib"
2126 png_encoder_select="huffyuvencdsp zlib"
2127 prores_decoder_select="blockdsp dsputil"
2128 prores_encoder_select="dsputil"
2129 qcelp_decoder_select="lsp"
2130 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2131 ra_144_encoder_select="audio_frame_queue lpc"
2132 ralf_decoder_select="golomb"
2133 rawvideo_decoder_select="dsputil"
2134 rtjpeg_decoder_select="dsputil"
2135 rv10_decoder_select="error_resilience h263_decoder h263dsp"
2136 rv10_encoder_select="h263_encoder"
2137 rv20_decoder_select="error_resilience h263_decoder h263dsp"
2138 rv20_encoder_select="h263_encoder"
2139 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
2140 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
2141 shorten_decoder_select="golomb"
2142 sipr_decoder_select="lsp"
2143 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
2144 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
2145 sonic_decoder_select="golomb rangecoder"
2146 sonic_encoder_select="golomb rangecoder"
2147 sonic_ls_encoder_select="golomb rangecoder"
2148 sp5x_decoder_select="mjpeg_decoder"
2149 svq1_decoder_select="hpeldsp"
2150 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
2151 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2152 svq3_decoder_suggest="zlib"
2153 tak_decoder_select="dsputil"
2154 theora_decoder_select="vp3_decoder"
2155 thp_decoder_select="mjpeg_decoder"
2156 tiff_decoder_suggest="zlib"
2157 tiff_encoder_suggest="zlib"
2158 truehd_decoder_select="mlp_parser"
2159 truemotion2_decoder_select="dsputil"
2160 truespeech_decoder_select="dsputil"
2161 tscc_decoder_select="zlib"
2162 twinvq_decoder_select="mdct lsp sinewin"
2163 utvideo_decoder_select="dsputil"
2164 utvideo_encoder_select="dsputil huffman huffyuvencdsp"
2165 vble_decoder_select="huffyuvdsp"
2166 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 qpeldsp"
2167 vc1image_decoder_select="vc1_decoder"
2168 vorbis_decoder_select="mdct"
2169 vorbis_encoder_select="mdct"
2170 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2171 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2172 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2173 vp6a_decoder_select="vp6_decoder"
2174 vp6f_decoder_select="vp6_decoder"
2175 vp7_decoder_select="h264pred videodsp"
2176 vp8_decoder_select="h264pred videodsp"
2177 vp9_decoder_select="videodsp vp9_parser"
2178 webp_decoder_select="vp8_decoder"
2179 wmalossless_decoder_select="llauddsp"
2180 wmapro_decoder_select="mdct sinewin"
2181 wmav1_decoder_select="mdct sinewin"
2182 wmav1_encoder_select="mdct sinewin"
2183 wmav2_decoder_select="mdct sinewin"
2184 wmav2_encoder_select="mdct sinewin"
2185 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2186 wmv1_decoder_select="h263_decoder"
2187 wmv1_encoder_select="h263_encoder"
2188 wmv2_decoder_select="blockdsp h263_decoder intrax8 videodsp"
2189 wmv2_encoder_select="h263_encoder"
2190 wmv3_decoder_select="vc1_decoder"
2191 wmv3image_decoder_select="wmv3_decoder"
2192 zerocodec_decoder_select="zlib"
2193 zlib_decoder_select="zlib"
2194 zlib_encoder_select="zlib"
2195 zmbv_decoder_select="zlib"
2196 zmbv_encoder_select="zlib"
2198 # hardware accelerators
2199 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2200 dxva2_deps="dxva2api_h"
2201 vaapi_deps="va_va_h"
2202 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2203 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2204 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2205 xvmc_deps="X11_extensions_XvMClib_h"
2207 h263_vaapi_hwaccel_deps="vaapi"
2208 h263_vaapi_hwaccel_select="h263_decoder"
2209 h263_vdpau_hwaccel_deps="vdpau"
2210 h263_vdpau_hwaccel_select="h263_decoder"
2211 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2212 h264_dxva2_hwaccel_deps="dxva2"
2213 h264_dxva2_hwaccel_select="h264_decoder"
2214 h264_vaapi_hwaccel_deps="vaapi"
2215 h264_vaapi_hwaccel_select="h264_decoder"
2216 h264_vda_decoder_deps="vda"
2217 h264_vda_decoder_select="h264_decoder"
2218 h264_vda_hwaccel_deps="vda"
2219 h264_vda_hwaccel_select="h264_decoder"
2220 h264_vda_old_hwaccel_deps="vda"
2221 h264_vda_old_hwaccel_select="h264_decoder"
2222 h264_vdpau_decoder_deps="vdpau"
2223 h264_vdpau_decoder_select="h264_decoder"
2224 h264_vdpau_hwaccel_deps="vdpau"
2225 h264_vdpau_hwaccel_select="h264_decoder"
2226 mpeg_vdpau_decoder_deps="vdpau"
2227 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2228 mpeg_xvmc_hwaccel_deps="xvmc"
2229 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2230 mpeg1_vdpau_decoder_deps="vdpau"
2231 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2232 mpeg1_vdpau_hwaccel_deps="vdpau"
2233 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2234 mpeg1_xvmc_hwaccel_deps="xvmc"
2235 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2236 mpeg2_crystalhd_decoder_select="crystalhd"
2237 mpeg2_dxva2_hwaccel_deps="dxva2"
2238 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2239 mpeg2_vaapi_hwaccel_deps="vaapi"
2240 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2241 mpeg2_vdpau_hwaccel_deps="vdpau"
2242 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2243 mpeg2_xvmc_hwaccel_deps="xvmc"
2244 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2245 mpeg4_crystalhd_decoder_select="crystalhd"
2246 mpeg4_vaapi_hwaccel_deps="vaapi"
2247 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2248 mpeg4_vdpau_decoder_deps="vdpau"
2249 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2250 mpeg4_vdpau_hwaccel_deps="vdpau"
2251 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2252 msmpeg4_crystalhd_decoder_select="crystalhd"
2253 vc1_crystalhd_decoder_select="crystalhd"
2254 vc1_dxva2_hwaccel_deps="dxva2"
2255 vc1_dxva2_hwaccel_select="vc1_decoder"
2256 vc1_vaapi_hwaccel_deps="vaapi"
2257 vc1_vaapi_hwaccel_select="vc1_decoder"
2258 vc1_vdpau_decoder_deps="vdpau"
2259 vc1_vdpau_decoder_select="vc1_decoder"
2260 vc1_vdpau_hwaccel_deps="vdpau"
2261 vc1_vdpau_hwaccel_select="vc1_decoder"
2262 wmv3_crystalhd_decoder_select="crystalhd"
2263 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2264 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2265 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2266 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2269 h264_parser_select="h264_decoder"
2270 hevc_parser_select="hevc_decoder"
2271 mpegvideo_parser_select="error_resilience mpegvideo"
2272 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2273 vc1_parser_select="mpegvideo vc1_decoder"
2275 # external libraries
2276 libaacplus_encoder_deps="libaacplus"
2277 libcelt_decoder_deps="libcelt"
2278 libfaac_encoder_deps="libfaac"
2279 libfaac_encoder_select="audio_frame_queue"
2280 libfdk_aac_decoder_deps="libfdk_aac"
2281 libfdk_aac_encoder_deps="libfdk_aac"
2282 libfdk_aac_encoder_select="audio_frame_queue"
2283 libgme_demuxer_deps="libgme"
2284 libgsm_decoder_deps="libgsm"
2285 libgsm_encoder_deps="libgsm"
2286 libgsm_ms_decoder_deps="libgsm"
2287 libgsm_ms_encoder_deps="libgsm"
2288 libilbc_decoder_deps="libilbc"
2289 libilbc_encoder_deps="libilbc"
2290 libmodplug_demuxer_deps="libmodplug"
2291 libmp3lame_encoder_deps="libmp3lame"
2292 libmp3lame_encoder_select="audio_frame_queue"
2293 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2294 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2295 libopencore_amrnb_encoder_select="audio_frame_queue"
2296 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2297 libopenjpeg_decoder_deps="libopenjpeg"
2298 libopenjpeg_encoder_deps="libopenjpeg"
2299 libopus_decoder_deps="libopus"
2300 libopus_encoder_deps="libopus"
2301 libopus_encoder_select="audio_frame_queue"
2302 libquvi_demuxer_deps="libquvi"
2303 libschroedinger_decoder_deps="libschroedinger"
2304 libschroedinger_encoder_deps="libschroedinger"
2305 libshine_encoder_deps="libshine"
2306 libshine_encoder_select="audio_frame_queue"
2307 libspeex_decoder_deps="libspeex"
2308 libspeex_encoder_deps="libspeex"
2309 libspeex_encoder_select="audio_frame_queue"
2310 libstagefright_h264_decoder_deps="libstagefright_h264"
2311 libtheora_encoder_deps="libtheora"
2312 libtwolame_encoder_deps="libtwolame"
2313 libvo_aacenc_encoder_deps="libvo_aacenc"
2314 libvo_aacenc_encoder_select="audio_frame_queue"
2315 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2316 libvorbis_decoder_deps="libvorbis"
2317 libvorbis_encoder_deps="libvorbis"
2318 libvorbis_encoder_select="audio_frame_queue"
2319 libvpx_vp8_decoder_deps="libvpx"
2320 libvpx_vp8_encoder_deps="libvpx"
2321 libvpx_vp9_decoder_deps="libvpx"
2322 libvpx_vp9_encoder_deps="libvpx"
2323 libwavpack_encoder_deps="libwavpack"
2324 libwebp_encoder_deps="libwebp"
2325 libx264_encoder_deps="libx264"
2326 libx264rgb_encoder_deps="libx264"
2327 libx265_encoder_deps="libx265"
2328 libxavs_encoder_deps="libxavs"
2329 libxvid_encoder_deps="libxvid"
2330 libutvideo_decoder_deps="libutvideo"
2331 libutvideo_encoder_deps="libutvideo"
2332 libzvbi_teletext_decoder_deps="libzvbi"
2335 ac3_demuxer_select="ac3_parser"
2336 asf_demuxer_select="riffdec"
2337 asf_muxer_select="riffenc"
2338 asf_stream_muxer_select="asf_muxer"
2339 avi_demuxer_select="riffdec exif"
2340 avi_muxer_select="riffenc"
2341 avisynth_demuxer_deps="avisynth"
2342 avisynth_demuxer_select="riffdec"
2343 caf_demuxer_select="riffdec"
2344 dirac_demuxer_select="dirac_parser"
2345 dts_demuxer_select="dca_parser"
2346 dtshd_demuxer_select="dca_parser"
2347 dxa_demuxer_select="riffdec"
2348 eac3_demuxer_select="ac3_parser"
2349 f4v_muxer_select="mov_muxer"
2350 flac_demuxer_select="flac_parser"
2351 hds_muxer_select="flv_muxer"
2352 hls_muxer_select="mpegts_muxer"
2353 image2_alias_pix_demuxer_select="image2_demuxer"
2354 image2_brender_pix_demuxer_select="image2_demuxer"
2355 ipod_muxer_select="mov_muxer"
2356 ismv_muxer_select="mov_muxer"
2357 libnut_demuxer_deps="libnut"
2358 libnut_muxer_deps="libnut"
2359 matroska_audio_muxer_select="matroska_muxer"
2360 matroska_demuxer_select="riffdec"
2361 matroska_demuxer_suggest="bzlib lzo zlib"
2362 matroska_muxer_select="riffenc"
2363 mmf_muxer_select="riffenc"
2364 mov_demuxer_select="riffdec"
2365 mov_demuxer_suggest="zlib"
2366 mov_muxer_select="riffenc rtpenc_chain"
2367 mp3_demuxer_select="mpegaudio_parser"
2368 mp4_muxer_select="mov_muxer"
2369 mpegts_muxer_select="adts_muxer latm_muxer"
2370 mpegtsraw_demuxer_select="mpegts_demuxer"
2371 mxf_d10_muxer_select="mxf_muxer"
2372 nut_muxer_select="riffenc"
2373 nuv_demuxer_select="riffdec"
2374 ogg_demuxer_select="golomb"
2375 psp_muxer_select="mov_muxer"
2376 rtp_demuxer_select="sdp_demuxer"
2377 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2378 rtsp_demuxer_select="http_protocol rtpdec"
2379 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2380 sap_demuxer_select="sdp_demuxer"
2381 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2382 sdp_demuxer_select="rtpdec"
2383 smoothstreaming_muxer_select="ismv_muxer"
2384 spdif_muxer_select="aac_parser"
2385 tak_demuxer_select="tak_parser"
2386 tg2_muxer_select="mov_muxer"
2387 tgp_muxer_select="mov_muxer"
2388 vobsub_demuxer_select="mpegps_demuxer"
2389 w64_demuxer_select="wav_demuxer"
2390 w64_muxer_select="wav_muxer"
2391 wav_demuxer_select="riffdec"
2392 wav_muxer_select="riffenc"
2393 webm_muxer_select="riffenc"
2394 wtv_demuxer_select="riffdec"
2395 wtv_muxer_select="riffenc"
2396 xmv_demuxer_select="riffdec"
2397 xwma_demuxer_select="riffdec"
2400 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2401 alsa_outdev_deps="alsa_asoundlib_h"
2402 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2403 avfoundation_indev_select="avfoundation"
2404 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2405 caca_outdev_deps="libcaca"
2406 decklink_outdev_deps="decklink pthreads"
2407 decklink_outdev_extralibs="-lstdc++"
2408 dshow_indev_deps="IBaseFilter"
2409 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2410 dv1394_indev_deps="dv1394"
2411 dv1394_indev_select="dv_demuxer"
2412 fbdev_indev_deps="linux_fb_h"
2413 fbdev_outdev_deps="linux_fb_h"
2414 gdigrab_indev_deps="CreateDIBSection"
2415 gdigrab_indev_extralibs="-lgdi32"
2416 gdigrab_indev_select="bmp_decoder"
2417 iec61883_indev_deps="libiec61883"
2418 jack_indev_deps="jack_jack_h sem_timedwait"
2419 lavfi_indev_deps="avfilter"
2420 libcdio_indev_deps="libcdio"
2421 libdc1394_indev_deps="libdc1394"
2422 libv4l2_indev_deps="libv4l2"
2423 openal_indev_deps="openal"
2424 opengl_outdev_deps="opengl"
2425 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2426 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2427 pulse_indev_deps="libpulse"
2428 pulse_outdev_deps="libpulse"
2429 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2430 qtkit_indev_select="qtkit"
2431 sdl_outdev_deps="sdl"
2432 sndio_indev_deps="sndio_h"
2433 sndio_outdev_deps="sndio_h"
2434 v4l_indev_deps="linux_videodev_h"
2435 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2436 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2437 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2438 vfwcap_indev_extralibs="-lavicap32"
2439 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2440 xv_outdev_extralibs="-lXv -lX11 -lXext"
2441 x11grab_indev_deps="x11grab"
2444 bluray_protocol_deps="libbluray"
2445 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2446 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2447 ffrtmpcrypt_protocol_select="tcp_protocol"
2448 ffrtmphttp_protocol_deps="!librtmp_protocol"
2449 ffrtmphttp_protocol_select="http_protocol"
2450 ftp_protocol_select="tcp_protocol"
2451 gopher_protocol_select="network"
2452 http_protocol_select="tcp_protocol"
2453 httpproxy_protocol_select="tcp_protocol"
2454 https_protocol_select="tls_protocol"
2455 librtmp_protocol_deps="librtmp"
2456 librtmpe_protocol_deps="librtmp"
2457 librtmps_protocol_deps="librtmp"
2458 librtmpt_protocol_deps="librtmp"
2459 librtmpte_protocol_deps="librtmp"
2460 libssh_protocol_deps="libssh"
2461 mmsh_protocol_select="http_protocol"
2462 mmst_protocol_select="network"
2463 rtmp_protocol_deps="!librtmp_protocol"
2464 rtmp_protocol_select="tcp_protocol"
2465 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2466 rtmps_protocol_deps="!librtmp_protocol"
2467 rtmps_protocol_select="tls_protocol"
2468 rtmpt_protocol_select="ffrtmphttp_protocol"
2469 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2470 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2471 rtp_protocol_select="udp_protocol"
2472 sctp_protocol_deps="struct_sctp_event_subscribe"
2473 sctp_protocol_select="network"
2474 srtp_protocol_select="rtp_protocol"
2475 tcp_protocol_select="network"
2476 tls_protocol_deps_any="openssl gnutls"
2477 tls_protocol_select="tcp_protocol"
2478 udp_protocol_select="network"
2479 unix_protocol_deps="sys_un_h"
2480 unix_protocol_select="network"
2483 aconvert_filter_deps="swresample"
2484 amovie_filter_deps="avcodec avformat"
2485 aresample_filter_deps="swresample"
2486 ass_filter_deps="libass"
2487 asyncts_filter_deps="avresample"
2488 atempo_filter_deps="avcodec"
2489 atempo_filter_select="rdft"
2490 azmq_filter_deps="libzmq"
2491 blackframe_filter_deps="gpl"
2492 boxblur_filter_deps="gpl"
2493 bs2b_filter_deps="libbs2b"
2494 colormatrix_filter_deps="gpl"
2495 cropdetect_filter_deps="gpl"
2496 dctdnoiz_filter_deps="avcodec"
2497 dctdnoiz_filter_select="dct"
2498 delogo_filter_deps="gpl"
2499 deshake_filter_deps="avcodec"
2500 deshake_filter_select="dsputil"
2501 drawtext_filter_deps="libfreetype"
2502 ebur128_filter_deps="gpl"
2503 flite_filter_deps="libflite"
2504 frei0r_filter_deps="frei0r dlopen"
2505 frei0r_filter_extralibs='$ldl'
2506 frei0r_src_filter_deps="frei0r dlopen"
2507 frei0r_src_filter_extralibs='$ldl'
2508 geq_filter_deps="gpl"
2509 histeq_filter_deps="gpl"
2510 hqdn3d_filter_deps="gpl"
2511 interlace_filter_deps="gpl"
2512 kerndeint_filter_deps="gpl"
2513 ladspa_filter_deps="ladspa dlopen"
2514 ladspa_filter_extralibs='$ldl'
2515 mcdeint_filter_deps="avcodec gpl"
2516 movie_filter_deps="avcodec avformat"
2517 mp_filter_deps="gpl avcodec swscale inline_asm"
2518 mpdecimate_filter_deps="gpl avcodec"
2519 mptestsrc_filter_deps="gpl"
2520 negate_filter_deps="lut_filter"
2521 perspective_filter_deps="gpl"
2522 ocv_filter_deps="libopencv"
2523 owdenoise_filter_deps="gpl"
2524 pan_filter_deps="swresample"
2525 phase_filter_deps="gpl"
2526 pp_filter_deps="gpl postproc"
2527 pullup_filter_deps="gpl"
2528 removelogo_filter_deps="avcodec avformat swscale"
2529 resample_filter_deps="avresample"
2530 sab_filter_deps="gpl swscale"
2531 scale_filter_deps="swscale"
2532 smartblur_filter_deps="gpl swscale"
2533 showspectrum_filter_deps="avcodec"
2534 showspectrum_filter_select="rdft"
2535 spp_filter_deps="gpl avcodec"
2536 spp_filter_select="fft"
2537 stereo3d_filter_deps="gpl"
2538 subtitles_filter_deps="avformat avcodec libass"
2539 super2xsai_filter_deps="gpl"
2540 tinterlace_filter_deps="gpl"
2541 vidstabdetect_filter_deps="libvidstab"
2542 vidstabtransform_filter_deps="libvidstab"
2543 pixfmts_super2xsai_test_deps="super2xsai_filter"
2544 tinterlace_merge_test_deps="tinterlace_filter"
2545 tinterlace_pad_test_deps="tinterlace_filter"
2546 zmq_filter_deps="libzmq"
2547 zoompan_filter_deps="swscale"
2550 avio_reading="avformat avcodec avutil"
2551 avcodec_example_deps="avcodec avutil"
2552 demuxing_decoding_example_deps="avcodec avformat avutil"
2553 filter_audio_example_deps="avfilter avutil"
2554 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2555 filtering_video_example_deps="avfilter avcodec avformat avutil"
2556 metadata_example_deps="avformat avutil"
2557 muxing_example_deps="avcodec avformat avutil swscale"
2558 remuxing_example_deps="avcodec avformat avutil"
2559 resampling_audio_example_deps="avutil swresample"
2560 scaling_video_example_deps="avutil swscale"
2561 transcode_aac_example_deps="avcodec avformat swresample"
2562 transcoding_example_deps="avfilter avcodec avformat avutil"
2564 # libraries, in linking order
2565 avcodec_deps="avutil"
2566 avdevice_deps="avformat avcodec avutil"
2567 avfilter_deps="avutil"
2568 avformat_deps="avcodec avutil"
2569 avresample_deps="avutil"
2570 postproc_deps="avutil gpl"
2571 swresample_deps="avutil"
2572 swscale_deps="avutil"
2575 ffmpeg_deps="avcodec avfilter avformat swresample"
2576 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2578 setpts_filter trim_filter"
2579 ffplay_deps="avcodec avformat swscale swresample sdl"
2580 ffplay_libs='$sdl_libs'
2581 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2582 ffprobe_deps="avcodec avformat"
2583 ffserver_deps="avformat fork sarestart"
2584 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2587 podpages_deps="perl"
2588 manpages_deps="perl pod2man"
2589 htmlpages_deps="perl texi2html"
2590 txtpages_deps="perl makeinfo"
2591 doc_deps_any="manpages htmlpages podpages txtpages"
2593 # default parameters
2595 logfile="config.log"
2597 # installation paths
2598 prefix_default="/usr/local"
2599 bindir_default='${prefix}/bin'
2600 datadir_default='${prefix}/share/ffmpeg'
2601 docdir_default='${prefix}/share/doc/ffmpeg'
2602 incdir_default='${prefix}/include'
2603 libdir_default='${prefix}/lib'
2604 mandir_default='${prefix}/share/man'
2605 shlibdir_default="$libdir_default"
2611 host_cc_default="gcc"
2617 pkg_config_default=pkg-config
2618 ranlib_default="ranlib"
2619 strip_default="strip"
2620 yasmexe_default="yasm"
2621 windres_default="windres"
2626 target_os_default=$(tolower $(uname -s))
2627 host_os=$target_os_default
2630 if test "$target_os_default" = aix; then
2631 arch_default=$(uname -p)
2632 strip_default="strip -X32_64"
2634 arch_default=$(uname -m)
2638 # configurable options
2639 enable $PROGRAM_LIST
2640 enable $DOCUMENT_LIST
2641 enable $EXAMPLE_LIST
2642 enable $(filter_out avresample $LIBRARY_LIST)
2648 enable optimizations
2649 enable runtime_cpudetect
2650 enable safe_bitstream_reader
2652 enable swscale_alpha
2654 sws_max_filter_size_default=256
2655 set_default sws_max_filter_size
2657 # Enable hwaccels by default.
2658 enable dxva2 vaapi vda vdpau xvmc
2662 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2665 FULLNAME='$(NAME)$(BUILDSUF)'
2666 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2669 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2670 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2671 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2672 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2673 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2674 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2696 host_cflags_filter=echo
2697 host_ldflags_filter=echo
2699 target_path='$(CURDIR)'
2701 # since the object filename is not given with the -MM flag, the compiler
2702 # is only able to print the basename, and we must add the path ourselves
2703 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2707 if test -f configure; then
2710 source_path=$(cd $(dirname "$0"); pwd)
2711 echo "$source_path" | grep -q '[[:blank:]]' &&
2712 die "Out of tree builds are impossible with whitespace in source path."
2713 test -e "$source_path/config.h" &&
2714 die "Out of tree builds are impossible with config.h in source dir."
2721 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2727 file=$source_path/$3
2728 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2731 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2732 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2733 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2734 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2735 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2736 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2737 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2738 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2739 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2740 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2741 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2757 for n in $COMPONENT_LIST; do
2758 v=$(toupper ${n%s})_LIST
2760 eval ${n}_if_any="\$$v"
2763 enable $ARCH_EXT_LIST
2766 echo "Unknown option \"$1\"."
2767 echo "See $0 --help for available options."
2772 cat | tr ' ' '\n' | sort | pr -r -3 -t
2778 echo $* | sed s/$suffix//g | print_3_columns
2790 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2791 echo "prob ${prob:-0.5}"
2799 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2800 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2810 add_extralibs $optval
2813 disable $INDEV_LIST $OUTDEV_LIST
2816 debuglevel="$optval"
2819 disable $PROGRAM_LIST
2821 --disable-everything)
2822 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2825 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2826 disable $LIBRARY_LIST $PROGRAM_LIST doc
2828 --enable-random|--disable-random)
2829 action=${opt%%-random}
2830 do_random ${action#--} $COMPONENT_LIST
2832 --enable-random=*|--disable-random=*)
2833 action=${opt%%-random=*}
2834 do_random ${action#--} $optval
2836 --enable-*=*|--disable-*=*)
2837 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2838 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2839 eval list=\$$(toupper $thing)_LIST
2840 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2841 list=$(filter "$name" $list)
2842 [ "$list" = "" ] && warn "Option $opt did not match anything"
2845 --enable-?*|--disable-?*)
2846 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2847 if is_in $option $COMPONENT_LIST; then
2848 test $action = disable && action=unset
2849 eval $action \$$(toupper ${option%s})_LIST
2850 elif is_in $option $CMDLINE_SELECT; then
2857 NAME="${opt#--list-}"
2858 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2860 eval show_list $NAME \$$(toupper $NAME)_LIST
2862 --help|-h) show_help
2864 --fatal-warnings) enable fatal_warnings
2867 optname="${opt%%=*}"
2868 optname="${optname#--}"
2869 optname=$(echo "$optname" | sed 's/-/_/g')
2870 if is_in $optname $CMDLINE_SET; then
2871 eval $optname='$optval'
2872 elif is_in $optname $CMDLINE_APPEND; then
2873 append $optname "$optval"
2881 disabled logging && logfile=/dev/null
2883 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2886 test -n "$cross_prefix" && enable cross_compile
2888 if enabled cross_compile; then
2889 test -n "$arch" && test -n "$target_os" ||
2890 die "Must specify target arch and OS when cross-compiling"
2893 ar_default="${cross_prefix}${ar_default}"
2894 cc_default="${cross_prefix}${cc_default}"
2895 cxx_default="${cross_prefix}${cxx_default}"
2896 nm_default="${cross_prefix}${nm_default}"
2897 pkg_config_default="${cross_prefix}${pkg_config_default}"
2898 ranlib_default="${cross_prefix}${ranlib_default}"
2899 strip_default="${cross_prefix}${strip_default}"
2900 windres_default="${cross_prefix}${windres_default}"
2902 sysinclude_default="${sysroot}/usr/include"
2904 test -n "$valgrind" && toolchain="valgrind-memcheck"
2906 case "$toolchain" in
2909 add_cflags -fsanitize=address
2910 add_ldflags -fsanitize=address
2914 add_cflags -fsanitize=thread -pie
2915 add_ldflags -fsanitize=thread -pie
2919 add_cflags -fsanitize=undefined
2920 add_ldflags -fsanitize=undefined
2924 add_cflags -fsanitize=address
2925 add_ldflags -fsanitize=address
2929 add_cflags -fsanitize=thread -pie -fPIC
2930 add_ldflags -fsanitize=thread -pie -fPIC
2934 add_cflags -fsanitize=undefined
2935 add_ldflags -fsanitize=undefined
2938 target_exec_default=${valgrind:-"valgrind"}
2939 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"
2942 target_exec_default=${valgrind:-"valgrind"}
2943 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2946 # Check whether the current MSVC version needs the C99 converter.
2947 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2948 # support enough of C99 to build ffmpeg. Default to the new
2949 # behaviour if the regexp was unable to match anything, since this
2950 # successfully parses the version number of existing supported
2951 # versions that require the converter (MSVC 2010 and 2012).
2952 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2953 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2956 cc_default="c99wrap cl"
2959 nm_default="dumpbin -symbols"
2961 target_os_default="win32"
2962 # Use a relative path for TMPDIR. This makes sure all the
2963 # ffconf temp files are written with a relative path, avoiding
2964 # issues with msys/win32 path conversion for MSVC parameters
2965 # such as -Fo<file> or -out:<file>.
2971 nm_default="dumpbin -symbols"
2973 target_os_default="win32"
2977 add_cflags -fprofile-arcs -ftest-coverage
2978 add_ldflags -fprofile-arcs -ftest-coverage
2981 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2982 add_ldflags -Wl,-z,relro -Wl,-z,now
2985 die "Unknown toolchain $toolchain"
2989 set_default arch cc cxx pkg_config ranlib strip sysinclude target_exec target_os yasmexe
2990 enabled cross_compile || host_cc_default=$cc
2993 if ! $pkg_config --version >/dev/null 2>&1; then
2994 warn "$pkg_config not found, library detection may fail."
3000 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3004 EXESUF=$(exesuf $target_os)
3005 HOSTEXESUF=$(exesuf $host_os)
3007 # set temporary file name
3008 : ${TMPDIR:=$TEMPDIR}
3012 if [ -n "$tempprefix" ] ; then
3014 echo $tempprefix.${HOSTNAME}.${UID}
3016 elif ! check_cmd mktemp -u XXXXXX; then
3017 # simple replacement for missing mktemp
3018 # NOT SAFE FOR GENERAL USE
3020 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3025 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3026 (set -C; exec > $tmp) 2>/dev/null ||
3027 die "Unable to create temporary file in $TMPDIR."
3028 append TMPFILES $tmp
3032 trap 'rm -f -- $TMPFILES' EXIT
3037 tmpfile TMPE $EXESUF
3049 # make sure we can execute files in $TMPDIR
3050 cat > $TMPSH 2>> $logfile <<EOF
3053 chmod +x $TMPSH >> $logfile 2>&1
3054 if ! $TMPSH >> $logfile 2>&1; then
3056 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3057 variable to another directory and make sure that it is not mounted noexec.
3059 die "Sanity test failed."
3065 -std=c99) echo -c99 ;;
3066 -mcpu=*) echo -arch ${flag#*=} ;;
3067 -mieee) echo -ieee ;;
3068 -O*|-fast) echo $flag ;;
3069 -fno-math-errno) echo -assume nomath_errno ;;
3071 -Wall) echo -msg_enable level2 ;;
3072 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3073 -Wl,*) echo $flag ;;
3083 -Wno-switch) echo -Wno-switch-enum ;;
3084 -Wno-format-zero-length) ;;
3085 -Wdisabled-optimization) ;;
3086 -Wno-pointer-sign) echo -Wno-other ;;
3092 msvc_common_flags(){
3095 # In addition to specifying certain flags under the compiler
3096 # specific filters, they must be specified here as well or else the
3097 # generic catch all at the bottom will print the original flag.
3101 -fomit-frame-pointer) ;;
3105 -fno-signed-zeros) ;;
3109 -lz) echo zlib.lib ;;
3110 -lavifil32) echo vfw32.lib ;;
3111 -lavicap32) echo vfw32.lib user32.lib ;;
3112 -l*) echo ${flag#-l}.lib ;;
3119 msvc_common_flags "$@"
3122 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3123 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3124 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3132 msvc_common_flags "$@"
3135 # Despite what Intel's documentation says -Wall, which is supported
3136 # on Windows, does enable remarks so disable them here.
3137 -Wall) echo $flag -Qdiag-disable:remark ;;
3138 -std=c99) echo -Qstd=c99 ;;
3155 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3156 -fomit-frame-pointer) echo -Mnoframe ;;
3167 case "${flag#*=}" in
3168 native) echo -xtarget=native ;;
3169 v9|niagara) echo -xarch=sparc ;;
3170 ultrasparc) echo -xarch=sparcvis ;;
3171 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3172 i586|pentium) echo -xchip=pentium ;;
3173 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3174 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3175 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3176 pentium4*) echo -xtarget=pentium4 ;;
3177 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3178 *-sse3) echo -xarch=sse3 ;;
3179 core2) echo -xarch=ssse3 -xchip=core2 ;;
3180 bonnell) echo -xarch=ssse3 ;;
3181 corei7|nehalem) echo -xtarget=nehalem ;;
3182 westmere) echo -xtarget=westmere ;;
3183 silvermont) echo -xarch=sse4_2 ;;
3184 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3185 core-avx*|ivybridge|haswell|broadwell)
3187 amdfam10|barcelona) echo -xtarget=barcelona ;;
3188 btver1) echo -xarch=amdsse4a ;;
3189 btver2|bdver*) echo -xarch=avx ;;
3190 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3191 k8|opteron|athlon64|athlon-fx)
3192 echo -xarch=sse2a ;;
3193 athlon*) echo -xarch=pentium_proa ;;
3196 -std=c99) echo -xc99 ;;
3197 -fomit-frame-pointer) echo -xregs=frameptr ;;
3198 -fPIC) echo -KPIC -xcode=pic32 ;;
3199 -W*,*) echo $flag ;;
3200 -f*-*|-W*|-mimpure-text) ;;
3211 case "${flag#*=}" in
3212 armv7-a|cortex-a*) echo -mv=7a8 ;;
3213 armv7-r|cortex-r*) echo -mv=7r4 ;;
3214 armv7-m|cortex-m*) echo -mv=7m3 ;;
3215 armv6*|arm11*) echo -mv=6 ;;
3216 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3218 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3221 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3222 -mfpu=vfp) echo --float_support=vfpv2 ;;
3223 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3224 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3225 -msoft-float) echo --float_support=vfplib ;;
3226 -O[0-3]|-mf=*) echo $flag ;;
3228 -pds=*) echo $flag ;;
3229 -D*|-I*) echo $flag ;;
3230 --gcc|--abi=*) echo $flag ;;
3240 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3241 unset _ld_o _ldflags _ld_lib _ld_path
3242 unset _depflags _DEPCMD _DEPFLAGS
3245 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3246 true # no-op to avoid reading stdin in following checks
3247 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3249 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3250 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3251 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3254 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3256 gcc_version=$($_cc --version | head -n1)
3257 gcc_basever=$($_cc -dumpversion)
3258 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3259 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3260 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3261 if ! $_cc -dumpversion | grep -q '^2\.'; then
3262 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3266 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3268 _ident=$($_cc --version | head -n1)
3273 _flags_filter=icc_flags
3274 elif $_cc -v 2>&1 | grep -q xlc; then
3276 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3278 _cflags_size='-O5 -qcompact'
3279 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3281 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3283 _cflags_speed='-fast'
3285 _flags_filter=ccc_flags
3286 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3287 test -d "$sysroot" || die "No valid sysroot specified."
3289 _ident=$($_cc --vsn | head -n1 | sed 's/.*: //')
3290 armcc_conf="$PWD/armcc.conf"
3291 $_cc --arm_linux_configure \
3292 --arm_linux_config_file="$armcc_conf" \
3293 --configure_sysroot="$sysroot" \
3294 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3295 die "Error creating armcc configuration file."
3296 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3297 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3298 as_default="${cross_prefix}gcc"
3302 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3304 _ident=$($_cc -version | head -n1 | tr -s ' ')
3305 _flags='--gcc --abi=eabi -me'
3308 _depflags='-ppa -ppd=$(@:.o=.d)'
3309 _cflags_speed='-O3 -mf=5'
3310 _cflags_size='-O3 -mf=2'
3311 _flags_filter=tms470_flags
3312 elif $_cc -v 2>&1 | grep -q clang; then
3314 _ident=$($_cc --version | head -n1)
3315 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3318 elif $_cc -V 2>&1 | grep -q Sun; then
3320 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3321 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3322 _DEPFLAGS='-xM1 -xc99'
3325 _cflags_size='-O5 -xspace'
3326 _flags_filter=suncc_flags
3327 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3329 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3330 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3333 _flags_filter='filter_out -Wdisabled-optimization'
3334 elif $_cc -v 2>&1 | grep -q Open64; then
3336 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3337 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3340 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3341 elif $_cc -V 2>&1 | grep -q Portland; then
3343 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3344 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3345 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3346 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3348 _flags_filter=pgi_flags
3349 elif $_cc 2>&1 | grep -q Microsoft; then
3351 _ident=$($cc 2>&1 | head -n1)
3352 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3353 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3356 if $_cc 2>&1 | grep -q Linker; then
3363 _flags_filter=msvc_flags
3365 _ld_path='-libpath:'
3367 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3368 if [ $pfx = hostcc ]; then
3369 append _cflags -Dsnprintf=_snprintf
3372 elif $_cc 2>&1 | grep -q Intel; then
3374 _ident=$($cc 2>&1 | head -n1)
3375 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3376 # Not only is O3 broken on 13.x+ but it is slower on all previous
3377 # versions (tested) as well.
3379 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3380 if $_cc 2>&1 | grep -q Linker; then
3387 _flags_filter=icl_flags
3389 _ld_path='-libpath:'
3390 # -Qdiag-error to make icl error when seeing certain unknown arguments
3391 _flags='-nologo -Qdiag-error:4044,10157'
3392 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3393 # with MSVC which enables it by default.
3394 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3395 if [ $pfx = hostcc ]; then
3396 append _cflags -Dsnprintf=_snprintf
3398 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3400 _ident=$($_cc --version | head -n1)
3404 _flags_filter=cparser_flags
3407 eval ${pfx}_type=\$_type
3408 eval ${pfx}_ident=\$_ident
3412 eval ${1}_C=\${_cc_c-\${${1}_C}}
3413 eval ${1}_E=\${_cc_e-\${${1}_E}}
3414 eval ${1}_O=\${_cc_o-\${${1}_O}}
3416 if [ -n "$_depflags" ]; then
3417 eval ${1}_DEPFLAGS=\$_depflags
3419 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3420 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3421 eval DEP${1}FLAGS=\$_flags
3426 cflags_filter=$_flags_filter
3427 cflags_speed=$_cflags_speed
3428 cflags_size=$_cflags_size
3429 cflags_noopt=$_cflags_noopt
3430 add_cflags $_flags $_cflags
3431 cc_ldflags=$_ldflags
3434 probe_cc hostcc "$host_cc"
3435 host_cflags_filter=$_flags_filter
3436 add_host_cflags $_flags $_cflags
3439 test -n "$cc_type" && enable $cc_type ||
3440 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3442 : ${as_default:=$cc}
3443 : ${dep_cc_default:=$cc}
3444 : ${ld_default:=$cc}
3445 : ${host_ld_default:=$host_cc}
3446 set_default ar as dep_cc ld host_ld windres
3449 asflags_filter=$_flags_filter
3450 add_asflags $_flags $_cflags
3454 ldflags_filter=$_flags_filter
3455 add_ldflags $_flags $_ldflags
3456 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3458 LD_LIB=${_ld_lib-$LD_LIB}
3459 LD_PATH=${_ld_path-$LD_PATH}
3461 probe_cc hostld "$host_ld"
3462 host_ldflags_filter=$_flags_filter
3463 add_host_ldflags $_flags $_ldflags
3464 HOSTLD_O=${_ld_o-$HOSTLD_O}
3466 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3467 probe_cc depcc "$dep_cc"
3468 CCDEP=${_DEPCMD:-$DEPCMD}
3469 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3473 if $ar 2>&1 | grep -q Microsoft; then
3476 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3479 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3480 arflags='-Xany -r -c'
3487 add_cflags $extra_cflags
3488 add_cxxflags $extra_cxxflags
3489 add_asflags $extra_cflags
3491 if test -n "$sysroot"; then
3494 add_cppflags --sysroot="$sysroot"
3495 add_ldflags --sysroot="$sysroot"
3496 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3497 add_cppflags -isysroot "$sysroot"
3498 add_ldflags -isysroot "$sysroot"
3501 add_cppflags -I"$sysinclude"
3502 add_ldflags --sysroot="$sysroot"
3507 if test "$cpu" = host; then
3508 enabled cross_compile &&
3509 die "--cpu=host makes no sense when cross-compiling."
3514 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3516 s/.*$1=\\([^ ]*\\).*/\\1/
3521 cpu=$(check_native -march || check_native -mcpu)
3525 test "${cpu:-host}" = host &&
3526 die "--cpu=host not supported with compiler $cc"
3529 # Deal with common $arch aliases
3543 "Power Macintosh"|ppc*|powerpc*)
3558 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3563 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3566 # Add processor-specific flags
3567 if enabled aarch64; then
3571 cpuflags="-march=$cpu"
3574 cpuflags="-mcpu=$cpu"
3578 elif enabled alpha; then
3580 cpuflags="-mcpu=$cpu"
3582 elif enabled arm; then
3585 check_cpp_condition stddef.h \
3586 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3591 if check_arm_arch 4; then echo armv4;
3592 elif check_arm_arch 4T; then echo armv4t;
3593 elif check_arm_arch 5; then echo armv5;
3594 elif check_arm_arch 5E; then echo armv5e;
3595 elif check_arm_arch 5T; then echo armv5t;
3596 elif check_arm_arch 5TE; then echo armv5te;
3597 elif check_arm_arch 5TEJ; then echo armv5te;
3598 elif check_arm_arch 6; then echo armv6;
3599 elif check_arm_arch 6J; then echo armv6j;
3600 elif check_arm_arch 6K; then echo armv6k;
3601 elif check_arm_arch 6Z; then echo armv6z;
3602 elif check_arm_arch 6ZK; then echo armv6zk;
3603 elif check_arm_arch 6T2; then echo armv6t2;
3604 elif check_arm_arch 7; then echo armv7;
3605 elif check_arm_arch 7A 7_A; then echo armv7-a;
3606 elif check_arm_arch 7R 7_R; then echo armv7-r;
3607 elif check_arm_arch 7M 7_M; then echo armv7-m;
3608 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3609 elif check_arm_arch 8A 8_A; then echo armv8-a;
3613 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3617 cpuflags="-march=$cpu"
3618 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3621 cpuflags="-mcpu=$cpu"
3623 cortex-a*) subarch=armv7a ;;
3624 cortex-r*) subarch=armv7r ;;
3625 cortex-m*) enable thumb; subarch=armv7m ;;
3626 arm11*) subarch=armv6 ;;
3627 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3628 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3629 *) subarch=$(probe_arm_arch) ;;
3635 armv5t*) enable fast_clz ;;
3638 disabled fast_unaligned || enable fast_unaligned
3642 elif enabled avr32; then
3647 cpuflags="-mpart=$cpu"
3651 cpuflags="-march=$cpu"
3655 cpuflags="-mcpu=$cpu"
3659 cpuflags="-march=$cpu"
3663 elif enabled bfin; then
3665 cpuflags="-mcpu=$cpu"
3667 elif enabled mips; then
3669 cpuflags="-march=$cpu"
3685 24kef*|34kf*|1004kf*)
3693 elif enabled ppc; then
3698 case $(tolower $cpu) in
3699 601|ppc601|powerpc601)
3700 cpuflags="-mcpu=601"
3703 603*|ppc603*|powerpc603*)
3704 cpuflags="-mcpu=603"
3707 604*|ppc604*|powerpc604*)
3708 cpuflags="-mcpu=604"
3711 g3|75*|ppc75*|powerpc75*)
3712 cpuflags="-mcpu=750"
3715 g4|745*|ppc745*|powerpc745*)
3716 cpuflags="-mcpu=7450"
3718 74*|ppc74*|powerpc74*)
3719 cpuflags="-mcpu=7400"
3721 g5|970|ppc970|powerpc970)
3722 cpuflags="-mcpu=970"
3725 cpuflags="-mcpu=$cpu"
3728 cpuflags="-mcpu=cell"
3732 cpuflags="-mcpu=e500mc"
3736 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3741 cpuflags="-mcpu=8540 -mhard-float"
3747 elif enabled sparc; then
3750 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3751 cpuflags="-mcpu=$cpu"
3753 ultrasparc*|niagara[234])
3754 cpuflags="-mcpu=$cpu"
3758 elif enabled x86; then
3762 cpuflags="-march=$cpu"
3765 # targets that do NOT support nopl and conditional mov (cmov)
3766 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3767 cpuflags="-march=$cpu"
3770 # targets that do support nopl and conditional mov (cmov)
3771 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
3772 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
3773 cpuflags="-march=$cpu"
3777 # targets that do support conditional mov but on which it's slow
3778 pentium4|pentium4m|prescott|nocona)
3779 cpuflags="-march=$cpu"
3787 if [ "$cpu" != generic ]; then
3788 add_cflags $cpuflags
3789 add_asflags $cpuflags
3792 # compiler sanity check
3794 int main(void){ return 0; }
3796 if test "$?" != 0; then
3797 echo "$cc is unable to create an executable file."
3798 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3799 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3800 echo "Only do this if you know what cross compiling means."
3802 die "C compiler test failed."
3805 add_cppflags -D_ISOC99_SOURCE
3806 add_cxxflags -D__STDC_CONSTANT_MACROS
3807 check_cflags -std=c99
3808 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3811 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3815 add_host_cppflags -D_ISOC99_SOURCE
3816 check_host_cflags -std=c99
3817 check_host_cflags -Wall
3818 check_host_cflags -O3
3824 check_code cc "" "int test[2*($expr) - 1]" &&
3825 subarch=$arch64 || subarch=$arch32
3833 check_64bit mips mips64 '_MIPS_SIM > 1'
3837 check_64bit parisc parisc64 'sizeof(void *) > 4'
3841 check_64bit ppc ppc64 'sizeof(void *) > 4'
3845 check_64bit s390 s390x 'sizeof(void *) > 4'
3849 check_64bit sparc sparc64 'sizeof(void *) > 4'
3853 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3854 if test "$subarch" = "x86_64"; then
3859 check_cc <<EOF && subarch="ppc64"
3860 int test[(int)sizeof(char*) - 7];
3866 enabled spic && enable_weak pic
3872 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3873 enabled shared && add_ldflags -Wl,-brtl
3877 SLIB_INSTALL_NAME='$(SLIBNAME)'
3879 # soname not set on purpose
3883 prefix_default="/boot/common"
3884 network_extralibs="-lnetwork"
3888 SHFLAGS='-shared -Wl,-h,$$(@F)'
3889 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3890 network_extralibs="-lsocket -lnsl"
3891 # When using suncc to build, the Solaris linker will mark
3892 # an executable with each instruction set encountered by
3893 # the Solaris assembler. As our libraries contain their own
3894 # guards for processor-specific code, instead suppress
3895 # generation of the HWCAPS ELF section on Solaris x86 only.
3896 enabled_all suncc x86 &&
3897 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3898 add_ldflags -Wl,-M,mapfile
3899 nm_default='nm -P -g'
3903 oss_indev_extralibs="-lossaudio"
3904 oss_outdev_extralibs="-lossaudio"
3905 enabled gcc || check_ldflags -Wl,-zmuldefs
3910 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3912 oss_indev_extralibs="-lossaudio"
3913 oss_outdev_extralibs="-lossaudio"
3921 add_extralibs -lpoll -lgnugetopt
3925 test "${as#*gas-preprocessor.pl}" != "$as" || gas="${gas:=gas-preprocessor.pl} ${as:=$cc}"
3926 enabled ppc && add_asflags -force_cpusubtype_ALL
3927 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3928 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3930 add_ldflags -Wl,-dynamic,-search_paths_first
3932 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3933 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3935 enabled x86_64 && objformat="macho64"
3936 enabled_any pic shared ||
3937 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3940 if test $target_os = "mingw32ce"; then
3946 if enabled x86_64; then
3947 LIBTARGET="i386:x86-64"
3948 elif enabled arm; then
3951 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3952 check_ldflags -Wl,--nxcompat
3953 check_ldflags -Wl,--dynamicbase
3954 shlibdir_default="$bindir_default"
3957 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3958 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3959 dlltool="${cross_prefix}dlltool"
3960 if check_cmd lib.exe -list; then
3961 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3962 if enabled x86_64; then
3965 elif check_cmd $dlltool --version; then
3966 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3968 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3970 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3971 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3972 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3979 if enabled shared; then
3980 # Link to the import library instead of the normal static library
3983 # Cannot build both shared and static libs with MSVC or icl.
3986 shlibdir_default="$bindir_default"
3989 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3990 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3991 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3992 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3994 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3995 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3996 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4003 shlibdir_default="$bindir_default"
4006 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4007 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4008 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4010 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4011 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4014 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4016 *-dos|freedos|opendos)
4017 network_extralibs="-lsocket"
4020 add_cppflags -U__STRICT_ANSI__
4027 ranlib="echo ignoring ranlib"
4033 add_cppflags -D_GNU_SOURCE
4034 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4035 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4039 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4040 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4041 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4042 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
4043 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4044 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4045 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4046 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
4047 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4048 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4049 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4051 enable_weak os2threads
4054 add_cppflags -D_BSD_SOURCE
4059 add_cppflags -D_QNX_SOURCE
4060 network_extralibs="-lsocket"
4065 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4066 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4067 add_ldflags -Wl,--target1-abs,--no-undefined \
4068 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4069 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4070 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4071 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4072 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4075 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4080 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4081 -D_REENTRANT_SOURCE \
4082 -D_RESEARCH_SOURCE \
4085 add_compat strtod.o strtod=avpriv_strtod
4086 network_extralibs='-lbsd'
4087 exeobjs=compat/plan9/main.o
4094 die "Unknown OS '$target_os'."
4098 # determine libc flavour
4103 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4104 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4105 eval ${pfx}libc_type=uclibc
4106 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4107 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4108 eval ${pfx}libc_type=glibc
4109 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4110 # MinGW headers can be installed on Cygwin, so check for newlib first.
4111 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4112 eval ${pfx}libc_type=newlib
4113 add_${pfx}cppflags -U__STRICT_ANSI__
4114 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4115 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4116 eval ${pfx}libc_type=mingw64
4117 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4118 add_compat msvcrt/snprintf.o
4119 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4121 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4122 eval test \$${pfx_no_}cc_type = "gcc" &&
4123 add_${pfx}cppflags -D__printf__=__gnu_printf__
4124 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4125 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4126 eval ${pfx}libc_type=mingw32
4127 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4128 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4129 die "ERROR: MinGW32 runtime version must be >= 3.15."
4130 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4131 eval test \$${pfx_no_}cc_type = "gcc" &&
4132 add_${pfx}cppflags -D__printf__=__gnu_printf__
4133 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4134 eval ${pfx}libc_type=msvcrt
4135 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4136 # 0x601 by default unless something else is set by the user.
4137 # This can easily lead to us detecting functions only present
4138 # in such new versions and producing binaries requiring windows 7.0.
4139 # Therefore explicitly set the default to XP unless the user has
4140 # set something else on the command line.
4141 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4142 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4143 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4144 eval ${pfx}libc_type=klibc
4145 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4146 eval ${pfx}libc_type=bionic
4147 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4148 eval ${pfx}libc_type=solaris
4149 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4154 test -n "$libc_type" && enable libc_$libc_type
4156 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4160 add_compat strtod.o strtod=avpriv_strtod
4163 add_compat strtod.o strtod=avpriv_strtod
4164 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4165 _snprintf=avpriv_snprintf \
4166 vsnprintf=avpriv_vsnprintf
4170 # hacks for compiler/libc/os combinations
4172 if enabled_all tms470 libc_glibc; then
4173 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4174 add_cppflags -D__USER_LABEL_PREFIX__=
4175 add_cppflags -D__builtin_memset=memset
4176 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4177 add_cflags -pds=48 # incompatible redefinition of macro
4180 if enabled_all ccc libc_glibc; then
4181 add_ldflags -Wl,-z,now # calls to libots crash without this
4184 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4185 add_cppflags '-I\$(SRC_PATH)/compat/float'
4188 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4191 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4193 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4195 set_default $PATHS_LIST
4198 # we need to build at least one lib type
4199 if ! enabled_any static shared; then
4201 At least one library type must be built.
4202 Specify --enable-static to build the static libraries or --enable-shared to
4203 build the shared libraries as well. To only build the shared libraries specify
4204 --disable-static in addition to --enable-shared.
4209 die_license_disabled() {
4210 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4213 die_license_disabled_gpl() {
4214 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4217 die_license_disabled gpl frei0r
4218 die_license_disabled gpl libcdio
4219 die_license_disabled gpl libutvideo
4220 die_license_disabled gpl libvidstab
4221 die_license_disabled gpl libx264
4222 die_license_disabled gpl libx265
4223 die_license_disabled gpl libxavs
4224 die_license_disabled gpl libxvid
4225 die_license_disabled gpl libzvbi
4226 die_license_disabled gpl x11grab
4228 die_license_disabled nonfree libaacplus
4229 die_license_disabled nonfree libfaac
4230 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4231 enabled gpl && die_license_disabled_gpl nonfree openssl
4233 die_license_disabled version3 libopencore_amrnb
4234 die_license_disabled version3 libopencore_amrwb
4235 die_license_disabled version3 libvo_aacenc
4236 die_license_disabled version3 libvo_amrwbenc
4238 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4240 disabled optimizations || check_cflags -fomit-frame-pointer
4243 disabled pic && return
4246 case "$target_os" in
4256 enabled pic && enable_weak_pic
4258 check_cc <<EOF || die "Symbol mangling check failed."
4261 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4262 extern_prefix=${sym%%ff_extern*}
4264 check_cc <<EOF && enable_weak inline_asm
4265 void foo(void) { __asm__ volatile ("" ::); }
4269 for restrict_keyword in restrict __restrict__ __restrict; do
4270 check_cc <<EOF && _restrict=$restrict_keyword && break
4271 void foo(char * $restrict_keyword p);
4275 check_cc <<EOF && enable pragma_deprecated
4276 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4279 check_cc <<EOF && enable attribute_packed
4280 struct { int x; } __attribute__((packed)) x;
4283 check_cc <<EOF && enable attribute_may_alias
4284 union { int x; } __attribute__((may_alias)) x;
4287 check_cc <<EOF || die "endian test failed"
4288 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4290 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4292 if [ "$cpu" = "power7" ] || [ "$cpu" = "power8" ] ;then
4293 if ! enabled bigendian ;then
4299 if enabled asm; then
4300 enabled arm && nogas=die
4301 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4303 check_as <<EOF && enable gnu_as || \
4304 $nogas "GNU assembler not found, install gas-preprocessor"
4311 check_as <<EOF || $nogas "GNU assembler not found, install gas-preprocessor"
4315 check_as <<EOF && enable as_func
4321 check_inline_asm inline_asm_labels '"1:\n"'
4323 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4325 if enabled aarch64; then
4326 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4327 # internal assembler in clang 3.3 does not support this instruction
4328 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4329 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4331 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4333 elif enabled alpha; then
4337 elif enabled arm; then
4339 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4340 float func(float a, float b){ return a+b; }
4343 enabled thumb && check_cflags -mthumb || check_cflags -marm
4345 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4347 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4348 case "${cross_prefix:-$cc}" in
4349 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4350 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4351 __asm__ (".eabi_attribute 28, 1");
4352 int main(void) { return 0; }
4355 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4358 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4359 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4360 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4361 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4362 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4363 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4365 [ $target_os = linux ] ||
4366 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4369 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4371 check_as <<EOF && enable as_dn_directive
4376 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4378 elif enabled mips; then
4380 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4381 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
4382 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
4383 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4384 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4385 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4386 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4387 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4388 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4390 elif enabled parisc; then
4392 if enabled gcc; then
4393 case $($cc -dumpversion) in
4394 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4398 elif enabled ppc; then
4400 enable local_aligned_8 local_aligned_16 local_aligned_32
4402 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4403 check_inline_asm ibm_asm '"add 0, 0, 0"'
4404 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4405 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4407 # AltiVec flags: The FSF version of GCC differs from the Apple version
4408 if enabled altivec; then
4409 check_cflags -maltivec -mabi=altivec &&
4410 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4411 check_cflags -faltivec
4413 # check if our compiler supports Motorola AltiVec C API
4414 check_cc <<EOF || disable altivec
4417 vector signed int v1 = (vector signed int) { 0 };
4418 vector signed int v2 = (vector signed int) { 1 };
4419 v1 = vec_add(v1, v2);
4424 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4427 if enabled vsx; then
4430 elif enabled x86; then
4432 check_builtin rdtsc intrin.h "__rdtsc()"
4433 check_builtin mm_empty mmintrin.h "_mm_empty()"
4435 enable local_aligned_8 local_aligned_16 local_aligned_32
4437 # check whether EBP is available on x86
4438 # As 'i' is stored on the stack, this program will crash
4439 # if the base pointer is used to access it because the
4440 # base pointer is cleared in the inline assembly code.
4441 check_exec_crash <<EOF && enable ebp_available
4443 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4447 # check whether EBX is available on x86
4448 check_inline_asm ebx_available '""::"b"(0)' &&
4449 check_inline_asm ebx_available '"":::"%ebx"'
4451 # check whether xmm clobbers are supported
4452 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4454 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4455 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4457 # check whether binutils is new enough to compile AVX/SSSE3/MMXEXT
4458 enabled avx && check_inline_asm avx_inline '"vextractf128 $1, %ymm0, %xmm1"'
4459 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4460 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4462 if ! disabled_any asm mmx yasm; then
4463 if check_cmd $yasmexe --version; then
4464 enabled x86_64 && yasm_extra="-m amd64"
4465 yasm_debug="-g dwarf2"
4466 elif check_cmd nasm -v; then
4468 yasm_debug="-g -F dwarf"
4469 if enabled x86_64; then
4470 case "$objformat" in
4471 elf) objformat=elf64 ;;
4472 win32) objformat=win64 ;;
4477 YASMFLAGS="-f $objformat $yasm_extra"
4478 enabled pic && append YASMFLAGS "-DPIC"
4479 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4480 case "$objformat" in
4481 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4484 check_yasm "movbe ecx, [5]" && enable yasm ||
4485 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4486 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4487 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4488 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4489 check_yasm "CPU amdnop" || disable cpunop
4493 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4500 check_ldflags -Wl,--as-needed
4502 if check_func dlopen; then
4504 elif check_func dlopen -ldl; then
4508 if ! disabled network; then
4509 check_func getaddrinfo $network_extralibs
4510 check_func getservbyport $network_extralibs
4511 check_func inet_aton $network_extralibs
4513 check_type netdb.h "struct addrinfo"
4514 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4515 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4516 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4517 check_type poll.h "struct pollfd"
4518 check_type netinet/sctp.h "struct sctp_event_subscribe"
4519 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4520 check_type netinet/in.h "struct sockaddr_in6"
4521 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4522 check_type "sys/types.h sys/socket.h" socklen_t
4524 # Prefer arpa/inet.h over winsock2
4525 if check_header arpa/inet.h ; then
4526 check_func closesocket
4527 elif check_header winsock2.h ; then
4528 check_func_headers winsock2.h closesocket -lws2 &&
4529 network_extralibs="-lws2" ||
4530 { check_func_headers winsock2.h closesocket -lws2_32 &&
4531 network_extralibs="-lws2_32"; } || disable winsock2_h network
4532 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4534 check_type ws2tcpip.h socklen_t
4535 check_type ws2tcpip.h "struct addrinfo"
4536 check_type ws2tcpip.h "struct group_source_req"
4537 check_type ws2tcpip.h "struct ip_mreq_source"
4538 check_type ws2tcpip.h "struct ipv6_mreq"
4539 check_type winsock2.h "struct pollfd"
4540 check_struct winsock2.h "struct sockaddr" sa_len
4541 check_type ws2tcpip.h "struct sockaddr_in6"
4542 check_type ws2tcpip.h "struct sockaddr_storage"
4548 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4549 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4550 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4551 check_builtin sarestart signal.h "SA_RESTART"
4552 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4554 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4555 check_func ${malloc_prefix}memalign && enable memalign
4556 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4559 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4562 check_func gethrtime
4564 check_func getrusage
4565 check_func gettimeofday
4567 check_func localtime_r
4568 check_func mach_absolute_time
4572 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4573 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4574 check_func sched_getaffinity
4575 check_func setrlimit
4576 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4577 check_func strerror_r
4582 check_func_headers conio.h kbhit
4583 check_func_headers io.h setmode
4584 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4585 check_func_headers stdlib.h getenv
4587 check_func_headers windows.h CoTaskMemFree -lole32
4588 check_func_headers windows.h GetProcessAffinityMask
4589 check_func_headers windows.h GetProcessTimes
4590 check_func_headers windows.h GetSystemTimeAsFileTime
4591 check_func_headers windows.h MapViewOfFile
4592 check_func_headers windows.h PeekNamedPipe
4593 check_func_headers windows.h SetConsoleTextAttribute
4594 check_func_headers windows.h Sleep
4595 check_func_headers windows.h VirtualAlloc
4596 check_func_headers glob.h glob
4598 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4600 check_header cl/cl.h
4601 check_header direct.h
4602 check_header dlfcn.h
4604 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4606 check_header libcrystalhd/libcrystalhd_if.h
4607 check_header mach/mach_time.h
4608 check_header malloc.h
4610 check_header sys/mman.h
4611 check_header sys/param.h
4612 check_header sys/resource.h
4613 check_header sys/select.h
4614 check_header sys/time.h
4615 check_header sys/un.h
4616 check_header termios.h
4617 check_header unistd.h
4618 check_header vdpau/vdpau.h
4619 check_header vdpau/vdpau_x11.h
4620 check_header VideoDecodeAcceleration/VDADecoder.h
4621 check_header windows.h
4622 check_header X11/extensions/XvMClib.h
4623 check_header asm/types.h
4625 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4626 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4627 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4629 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4631 if ! disabled w32threads && ! enabled pthreads; then
4632 check_func_headers "windows.h process.h" _beginthreadex &&
4633 enable w32threads || disable w32threads
4636 # check for some common methods of building with pthread support
4637 # do this before the optional library checks as some of them require pthreads
4638 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4640 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4642 add_extralibs -pthread
4643 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4644 add_cflags -pthreads
4645 add_extralibs -pthreads
4646 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
4647 add_cflags -ldl -pthread
4648 add_extralibs -ldl -pthread
4649 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4650 add_extralibs -lpthreadGC2
4651 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4653 elif ! check_func pthread_join && ! check_func pthread_create; then
4656 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
4660 if enabled pthreads; then
4661 check_func pthread_cancel
4664 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4665 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4667 check_lib math.h sin -lm && LIBM="-lm"
4668 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4675 for func in $MATH_FUNCS; do
4676 eval check_mathfunc $func \${${func}_args:-1}
4679 # these are off by default, so fail if requested and not available
4680 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
4681 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4682 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4683 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4684 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
4685 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4686 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4687 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4688 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4689 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4690 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4691 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
4692 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4693 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4694 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4695 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4696 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4697 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4698 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4699 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"
4700 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4701 enabled fontconfig && enable libfontconfig
4702 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4703 enabled libfreetype && require_libfreetype
4704 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4705 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4706 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4707 done || die "ERROR: libgsm not found"; }
4708 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4709 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4710 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4711 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4712 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4713 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4714 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4715 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4716 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4717 die "ERROR: libopenjpeg not found"; }
4718 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4719 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4720 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4721 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4722 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4723 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4724 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4725 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4726 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4727 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4728 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4729 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4730 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4731 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4732 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4733 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4734 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4735 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4736 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
4737 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4738 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4739 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4741 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4742 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4743 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 ||
4744 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4745 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4746 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; } }
4747 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4748 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4749 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4750 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4751 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4752 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
4753 { check_cpp_condition x265.h "X265_BUILD >= 17" ||
4754 die "ERROR: libx265 version must be >= 17."; }
4755 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4756 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4757 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4758 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4759 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4760 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4761 die "ERROR: openal not found"; } &&
4762 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4763 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4764 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4765 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4766 die "ERROR: opencl not found"; } &&
4767 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4768 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4769 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4770 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
4771 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
4772 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
4773 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
4774 die "ERROR: opengl not found."
4776 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4777 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4778 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4779 die "ERROR: openssl not found"; }
4780 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
4782 if enabled gnutls; then
4783 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4784 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4788 if enabled libdc1394; then
4789 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4790 enable libdc1394_2; } ||
4791 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4792 enable libdc1394_1; } ||
4793 die "ERROR: No version of libdc1394 found "
4796 SDL_CONFIG="${cross_prefix}sdl-config"
4797 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4798 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4799 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4802 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4803 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4804 sdl_libs=$("${SDL_CONFIG}" --libs)
4805 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4806 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4807 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4811 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4813 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4814 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4815 perl -v > /dev/null 2>&1 && enable perl || disable perl
4816 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4817 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4819 check_header linux/fb.h
4820 check_header linux/videodev.h
4821 check_header linux/videodev2.h
4822 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4824 check_header sys/videoio.h
4826 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4827 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4828 # w32api 3.12 had it defined wrong
4829 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4831 check_type "dshow.h" IBaseFilter
4833 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4834 { check_header dev/bktr/ioctl_meteor.h &&
4835 check_header dev/bktr/ioctl_bt848.h; } ||
4836 { check_header machine/ioctl_meteor.h &&
4837 check_header machine/ioctl_bt848.h; } ||
4838 { check_header dev/video/meteor/ioctl_meteor.h &&
4839 check_header dev/video/bktr/ioctl_bt848.h; } ||
4840 check_header dev/ic/bt8xx.h
4842 check_header sndio.h
4843 if check_struct sys/soundcard.h audio_buf_info bytes; then
4844 enable_safe sys/soundcard.h
4846 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4847 #include <sys/soundcard.h>
4851 check_header soundcard.h
4853 enabled_any alsa_indev alsa_outdev &&
4854 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4856 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4857 check_func jack_port_get_latency_range -ljack
4859 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4861 if enabled libcdio; then
4862 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4863 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4864 die "ERROR: libcdio-paranoia not found"
4868 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
4871 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4872 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
4873 { enabled xlib || die "ERROR: Xlib not found"; }
4875 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
4877 enabled dxva2api_h &&
4878 check_cc <<EOF && enable dxva2api_cobj
4879 #define _WIN32_WINNT 0x0600
4881 #include <windows.h>
4883 #include <dxva2api.h>
4884 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
4888 check_lib va/va.h vaInitialize -lva ||
4892 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4895 enabled vdpau && enabled xlib &&
4896 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4897 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
4900 # Funny iconv installations are not unusual, so check it after all flags have been set
4901 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4903 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4905 # add some useful compiler flags if supported
4906 check_cflags -Wdeclaration-after-statement
4908 check_cflags -Wdisabled-optimization
4909 check_cflags -Wpointer-arith
4910 check_cflags -Wredundant-decls
4911 check_cflags -Wwrite-strings
4912 check_cflags -Wtype-limits
4913 check_cflags -Wundef
4914 check_cflags -Wmissing-prototypes
4915 check_cflags -Wno-pointer-to-int-cast
4916 check_cflags -Wstrict-prototypes
4917 check_cflags -Wempty-body
4918 enabled extra_warnings && check_cflags -Winline
4920 check_disable_warning(){
4921 warning_flag=-W${1#-Wno-}
4922 test_cflags $warning_flag && add_cflags $1
4925 check_disable_warning -Wno-parentheses
4926 check_disable_warning -Wno-switch
4927 check_disable_warning -Wno-format-zero-length
4928 check_disable_warning -Wno-pointer-sign
4930 # add some linker flags
4931 check_ldflags -Wl,--warn-common
4932 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4933 enabled rpath && add_ldflags -Wl,-rpath,$libdir
4934 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4936 # add some strip flags
4937 # -wN '..@*' is more selective than -x, but not available everywhere.
4938 check_stripflags -wN \'..@*\' || check_stripflags -x
4940 enabled neon_clobber_test &&
4941 check_ldflags -Wl,--wrap,avcodec_open2 \
4942 -Wl,--wrap,avcodec_decode_audio4 \
4943 -Wl,--wrap,avcodec_decode_video2 \
4944 -Wl,--wrap,avcodec_decode_subtitle2 \
4945 -Wl,--wrap,avcodec_encode_audio2 \
4946 -Wl,--wrap,avcodec_encode_video2 \
4947 -Wl,--wrap,avcodec_encode_subtitle \
4948 -Wl,--wrap,swr_convert \
4949 -Wl,--wrap,avresample_convert ||
4950 disable neon_clobber_test
4952 enabled xmm_clobber_test &&
4953 check_ldflags -Wl,--wrap,avcodec_open2 \
4954 -Wl,--wrap,avcodec_decode_audio4 \
4955 -Wl,--wrap,avcodec_decode_video2 \
4956 -Wl,--wrap,avcodec_decode_subtitle2 \
4957 -Wl,--wrap,avcodec_encode_audio2 \
4958 -Wl,--wrap,avcodec_encode_video \
4959 -Wl,--wrap,avcodec_encode_video2 \
4960 -Wl,--wrap,avcodec_encode_subtitle \
4961 -Wl,--wrap,swr_convert \
4962 -Wl,--wrap,avresample_convert \
4963 -Wl,--wrap,sws_scale ||
4964 disable xmm_clobber_test
4967 if test_ldflags -Wl,--version-script,$TMPV; then
4968 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4969 check_cc <<EOF && enable symver_asm_label
4970 void ff_foo(void) __asm__ ("av_foo@VERSION");
4971 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4973 check_cc <<EOF && enable symver_gnu_asm
4974 __asm__(".symver ff_foo,av_foo@VERSION");
4975 void ff_foo(void) {}
4979 if [ -z "$optflags" ]; then
4980 if enabled small; then
4981 optflags=$cflags_size
4982 elif enabled optimizations; then
4983 optflags=$cflags_speed
4985 optflags=$cflags_noopt
4991 enabled lto && check_ldflags "$@"
4995 if enabled lto; then
4996 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4998 check_ldflags -flto $cpuflags
4999 disable inline_asm_direct_symbol_refs
5002 check_optflags $optflags
5003 check_optflags -fno-math-errno
5004 check_optflags -fno-signed-zeros
5006 enabled ftrapv && check_cflags -ftrapv
5008 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5013 if enabled icc; then
5014 # Just warnings, no remarks
5016 # -wd: Disable following warnings
5017 # 144, 167, 556: -Wno-pointer-sign
5018 # 188: enumerated type mixed with another type
5019 # 1292: attribute "foo" ignored
5020 # 1419: external declaration in primary source file
5021 # 10006: ignoring unknown option -fno-signed-zeros
5022 # 10148: ignoring unknown option -Wno-parentheses
5023 # 10156: ignoring option '-W'; no argument required
5024 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
5025 # 11030: Warning unknown option --as-needed
5026 # 10156: ignoring option '-export'; no argument required
5027 check_ldflags -wd10156,11030
5028 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5029 enable ebp_available
5030 # The test above does not test linking
5031 enabled lto && disable symver_asm_label
5032 if enabled x86_32; then
5033 icc_version=$($cc -dumpversion)
5034 test ${icc_version%%.*} -ge 11 &&
5035 check_cflags -falign-stack=maintain-16-byte ||
5036 disable aligned_stack
5038 elif enabled ccc; then
5039 # disable some annoying warnings
5040 add_cflags -msg_disable bitnotint
5041 add_cflags -msg_disable mixfuncvoid
5042 add_cflags -msg_disable nonstandcast
5043 add_cflags -msg_disable unsupieee
5044 elif enabled gcc; then
5045 check_optflags -fno-tree-vectorize
5046 check_cflags -Werror=implicit-function-declaration
5047 check_cflags -Werror=missing-prototypes
5048 check_cflags -Werror=return-type
5049 check_cflags -Werror=vla
5050 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5051 elif enabled llvm_gcc; then
5052 check_cflags -mllvm -stack-alignment=16
5053 elif enabled clang; then
5054 check_cflags -mllvm -stack-alignment=16
5055 check_cflags -Qunused-arguments
5056 check_cflags -Werror=implicit-function-declaration
5057 check_cflags -Werror=missing-prototypes
5058 check_cflags -Werror=return-type
5059 elif enabled cparser; then
5060 add_cflags -Wno-missing-variable-declarations
5061 add_cflags -Wno-empty-statement
5062 elif enabled armcc; then
5063 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5064 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5065 # 2523: use of inline assembler is deprecated
5066 add_cflags -W${armcc_opt},--diag_suppress=2523
5067 add_cflags -W${armcc_opt},--diag_suppress=1207
5068 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5069 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5070 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5071 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5072 elif enabled tms470; then
5073 add_cflags -pds=824 -pds=837
5075 elif enabled pathscale; then
5076 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5077 elif enabled_any msvc icl; then
5078 enabled x86_32 && disable aligned_stack
5079 enabled_all x86_32 debug && add_cflags -Oy-
5080 enabled debug && add_ldflags -debug
5081 enable pragma_deprecated
5082 if enabled icl; then
5083 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5084 # (correctly) on icl 13.x.
5085 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5086 add_cflags -Qansi-alias
5087 # Some inline asm is not compilable in debug
5088 if enabled debug; then
5089 disable ebp_available
5090 disable ebx_available
5093 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 onwards actually has log2.
5094 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5099 add_asflags -Qunused-arguments
5105 check_ldflags -Qunused-arguments
5111 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5114 add_cppflags -Dmain=plan9_main
5118 enable frame_thread_encoder
5120 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5122 check_deps $CONFIG_LIST \
5127 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"
5130 if test $target_os = "haiku"; then
5132 disable posix_memalign
5135 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5136 prepend ffmpeg_libs $($ldflags_filter "-lole32") &&
5139 ! enabled_any memalign posix_memalign aligned_malloc &&
5140 enabled_any $need_memalign && enable memalign_hack
5143 # -> enable ${lib}_deps_${dep}
5144 # -> add $dep to ${lib}_deps only once
5148 enabled "${lib}_deps_${dep}" && return 0
5149 enable "${lib}_deps_${dep}"
5150 prepend "${lib}_deps" $dep
5153 # merge deps lib components
5154 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5159 enabled $comp || continue
5160 eval "dep=\"\$${comp}_deps\""
5167 merge_deps libavfilter $FILTER_LIST
5169 for thread in $THREADS_LIST; do
5170 if enabled $thread; then
5171 test -n "$thread_type" &&
5172 die "ERROR: Only one thread type must be selected." ||
5173 thread_type="$thread"
5177 # conditional library dependencies, in linking order
5178 enabled aconvert_filter && prepend avfilter_deps "swresample"
5179 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5180 enabled aresample_filter && prepend avfilter_deps "swresample"
5181 enabled asyncts_filter && prepend avfilter_deps "avresample"
5182 enabled atempo_filter && prepend avfilter_deps "avcodec"
5183 enabled decimate_filter && prepend avfilter_deps "avcodec"
5184 enabled deshake_filter && prepend avfilter_deps "avcodec"
5185 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5186 enabled elbg_filter && prepend avfilter_deps "avcodec"
5187 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5188 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5189 enabled mp_filter && prepend avfilter_deps "avcodec"
5190 enabled pan_filter && prepend avfilter_deps "swresample"
5191 enabled pp_filter && prepend avfilter_deps "postproc"
5192 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5193 enabled resample_filter && prepend avfilter_deps "avresample"
5194 enabled sab_filter && prepend avfilter_deps "swscale"
5195 enabled scale_filter && prepend avfilter_deps "swscale"
5196 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5197 enabled smartblur_filter && prepend avfilter_deps "swscale"
5198 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5200 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5202 enabled opus_decoder && prepend avcodec_deps "swresample"
5206 eval "deps=\$$lib_deps"
5207 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5211 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5212 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5214 map 'expand_deps $v' $LIBRARY_LIST
5216 echo "install prefix $prefix"
5217 echo "source path $source_path"
5218 echo "C compiler $cc"
5219 echo "C library $libc_type"
5220 if test "$host_cc" != "$cc"; then
5221 echo "host C compiler $host_cc"
5222 echo "host C library $host_libc_type"
5224 echo "ARCH $arch ($cpu)"
5225 if test "$build_suffix" != ""; then
5226 echo "build suffix $build_suffix"
5228 if test "$progs_suffix" != ""; then
5229 echo "progs suffix $progs_suffix"
5231 if test "$extra_version" != ""; then
5232 echo "version string suffix $extra_version"
5234 echo "big-endian ${bigendian-no}"
5235 echo "runtime cpu detection ${runtime_cpudetect-no}"
5236 if enabled x86; then
5237 echo "${yasmexe} ${yasm-no}"
5238 echo "MMX enabled ${mmx-no}"
5239 echo "MMXEXT enabled ${mmxext-no}"
5240 echo "3DNow! enabled ${amd3dnow-no}"
5241 echo "3DNow! extended enabled ${amd3dnowext-no}"
5242 echo "SSE enabled ${sse-no}"
5243 echo "SSSE3 enabled ${ssse3-no}"
5244 echo "AVX enabled ${avx-no}"
5245 echo "XOP enabled ${xop-no}"
5246 echo "FMA3 enabled ${fma3-no}"
5247 echo "FMA4 enabled ${fma4-no}"
5248 echo "i686 features enabled ${i686-no}"
5249 echo "CMOV is fast ${fast_cmov-no}"
5250 echo "EBX available ${ebx_available-no}"
5251 echo "EBP available ${ebp_available-no}"
5253 if enabled aarch64; then
5254 echo "NEON enabled ${neon-no}"
5255 echo "VFP enabled ${vfp-no}"
5257 if enabled arm; then
5258 echo "ARMv5TE enabled ${armv5te-no}"
5259 echo "ARMv6 enabled ${armv6-no}"
5260 echo "ARMv6T2 enabled ${armv6t2-no}"
5261 echo "VFP enabled ${vfp-no}"
5262 echo "NEON enabled ${neon-no}"
5263 echo "THUMB enabled ${thumb-no}"
5265 if enabled mips; then
5266 echo "MIPS FPU enabled ${mipsfpu-no}"
5267 echo "MIPS32R2 enabled ${mips32r2-no}"
5268 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5269 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5271 if enabled ppc; then
5272 echo "AltiVec enabled ${altivec-no}"
5273 echo "PPC 4xx optimizations ${ppc4xx-no}"
5274 echo "PPC VSX optimizations ${vsx-no}"
5275 echo "dcbzl available ${dcbzl-no}"
5277 echo "debug symbols ${debug-no}"
5278 echo "strip symbols ${stripping-no}"
5279 echo "optimize for size ${small-no}"
5280 echo "optimizations ${optimizations-no}"
5281 echo "static ${static-no}"
5282 echo "shared ${shared-no}"
5283 echo "postprocessing support ${postproc-no}"
5284 echo "new filter support ${avfilter-no}"
5285 echo "network support ${network-no}"
5286 echo "threading support ${thread_type-no}"
5287 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5288 echo "SDL support ${sdl-no}"
5289 echo "opencl enabled ${opencl-no}"
5290 echo "texi2html enabled ${texi2html-no}"
5291 echo "perl enabled ${perl-no}"
5292 echo "pod2man enabled ${pod2man-no}"
5293 echo "makeinfo enabled ${makeinfo-no}"
5294 test -n "$random_seed" &&
5295 echo "random seed ${random_seed}"
5298 echo "External libraries:"
5299 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5302 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5303 echo "Enabled ${type}s:"
5304 eval list=\$$(toupper $type)_LIST
5305 print_enabled '_*' $list | print_3_columns
5309 license="LGPL version 2.1 or later"
5310 if enabled nonfree; then
5311 license="nonfree and unredistributable"
5312 elif enabled gplv3; then
5313 license="GPL version 3 or later"
5314 elif enabled lgplv3; then
5315 license="LGPL version 3 or later"
5316 elif enabled gpl; then
5317 license="GPL version 2 or later"
5320 echo "License: $license"
5322 echo "Creating config.mak, config.h, and doc/config.texi..."
5324 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5326 enabled stripping || strip="echo skipping strip"
5328 config_files="$TMPH config.mak doc/config.texi"
5330 cat > config.mak <<EOF
5331 # Automatically generated by configure - do not modify!
5332 ifndef FFMPEG_CONFIG_MAK
5334 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5336 LIBDIR=\$(DESTDIR)$libdir
5337 SHLIBDIR=\$(DESTDIR)$shlibdir
5338 INCDIR=\$(DESTDIR)$incdir
5339 BINDIR=\$(DESTDIR)$bindir
5340 DATADIR=\$(DESTDIR)$datadir
5341 DOCDIR=\$(DESTDIR)$docdir
5342 MANDIR=\$(DESTDIR)$mandir
5343 SRC_PATH=$source_path
5344 ifndef MAIN_MAKEFILE
5345 SRC_PATH:=\$(SRC_PATH:.%=..%)
5354 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5356 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5384 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5385 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5386 YASMFLAGS=$YASMFLAGS
5387 BUILDSUF=$build_suffix
5388 PROGSSUF=$progs_suffix
5396 EXTRA_VERSION=$extra_version
5399 CCDEP_FLAGS=$CCDEP_FLAGS
5401 ASDEP_FLAGS=$ASDEP_FLAGS
5402 CC_DEPFLAGS=$CC_DEPFLAGS
5403 AS_DEPFLAGS=$AS_DEPFLAGS
5406 HOSTCFLAGS=$host_cflags
5407 HOSTCPPFLAGS=$host_cppflags
5408 HOSTEXESUF=$HOSTEXESUF
5409 HOSTLDFLAGS=$host_ldflags
5412 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5413 HOSTCCDEP=$HOSTCCDEP
5414 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5415 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5419 TARGET_EXEC=$target_exec $target_exec_args
5420 TARGET_PATH=$target_path
5421 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5422 CFLAGS-ffplay=$sdl_cflags
5423 ZLIB=$($ldflags_filter -lz)
5424 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5425 EXTRALIBS=$extralibs
5426 COMPAT_OBJS=$compat_objs
5429 LIBTARGET=${LIBTARGET}
5430 SLIBNAME=${SLIBNAME}
5431 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5432 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5433 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5434 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5435 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5436 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5437 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5438 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5439 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5440 NOREDZONE_FLAGS=$noredzone_flags
5445 name=$(toupper $lcname)
5446 file=$source_path/$lcname/version.h
5447 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5448 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5449 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5450 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5451 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5452 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5455 map 'get_version $v' $LIBRARY_LIST
5457 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
5459 print_program_libs(){
5460 eval "program_libs=\$${1}_libs"
5461 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5464 map 'print_program_libs $v' $PROGRAM_LIST
5467 /* Automatically generated by configure - do not modify! */
5468 #ifndef FFMPEG_CONFIG_H
5469 #define FFMPEG_CONFIG_H
5470 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5471 #define FFMPEG_LICENSE "$(c_escape $license)"
5472 #define CONFIG_THIS_YEAR 2014
5473 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5474 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5475 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5476 #define av_restrict $_restrict
5477 #define EXTERN_PREFIX "${extern_prefix}"
5478 #define EXTERN_ASM ${extern_prefix}
5479 #define BUILDSUF "$build_suffix"
5480 #define SLIBSUF "$SLIBSUF"
5481 #define HAVE_MMX2 HAVE_MMXEXT
5482 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
5485 test -n "$assert_level" &&
5486 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5488 test -n "$malloc_prefix" &&
5489 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5491 if enabled yasm; then
5492 append config_files $TMPASM
5496 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5500 echo "@c auto-generated by configure" > doc/config.texi
5502 print_config ARCH_ "$config_files" $ARCH_LIST
5503 print_config HAVE_ "$config_files" $HAVE_LIST
5504 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5508 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5509 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5511 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5512 cp_if_changed $TMPH config.h
5515 enabled yasm && cp_if_changed $TMPASM config.asm
5518 /* Generated by ffconf */
5519 #ifndef AVUTIL_AVCONFIG_H
5520 #define AVUTIL_AVCONFIG_H
5523 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5525 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5527 cp_if_changed $TMPH libavutil/avconfig.h
5529 if test -n "$WARNINGS"; then
5530 printf "\n$WARNINGS"
5531 enabled fatal_warnings && exit 1
5534 # build pkg-config files
5537 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
5540 pkgconfig_generate(){
5542 shortname=${name#lib}${build_suffix}
5546 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
5547 requires=${requires%, }
5548 enabled ${name#lib} || return 0
5550 cat <<EOF > $name/$name${build_suffix}.pc
5552 exec_prefix=\${prefix}
5557 Description: $comment
5559 Requires: $(enabled shared || echo $requires)
5560 Requires.private: $(enabled shared && echo $requires)
5562 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5563 Libs.private: $(enabled shared && echo $libs)
5564 Cflags: -I\${includedir}
5567 mkdir -p doc/examples/pc-uninstalled
5568 includedir=${source_path}
5569 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5570 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5573 libdir=\${pcfiledir}/../../../$name
5574 includedir=${includedir}
5577 Description: $comment
5581 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5582 Cflags: -I\${includedir}
5586 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5587 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
5588 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
5589 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
5590 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
5591 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
5592 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
5593 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
5594 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM"